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Diffstat (limited to 'browser/extensions/pdfjs')
282 files changed, 76621 insertions, 0 deletions
diff --git a/browser/extensions/pdfjs/LICENSE b/browser/extensions/pdfjs/LICENSE new file mode 100644 index 000000000..f433b1a53 --- /dev/null +++ b/browser/extensions/pdfjs/LICENSE @@ -0,0 +1,177 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. 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The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS diff --git a/browser/extensions/pdfjs/README.mozilla b/browser/extensions/pdfjs/README.mozilla new file mode 100644 index 000000000..884f85eb3 --- /dev/null +++ b/browser/extensions/pdfjs/README.mozilla @@ -0,0 +1,3 @@ +This is the pdf.js project output, https://github.com/mozilla/pdf.js + +Current extension version is: 1.6.315 diff --git a/browser/extensions/pdfjs/chrome.manifest b/browser/extensions/pdfjs/chrome.manifest new file mode 100644 index 000000000..1aef83abc --- /dev/null +++ b/browser/extensions/pdfjs/chrome.manifest @@ -0,0 +1 @@ +resource pdf.js content/ diff --git a/browser/extensions/pdfjs/content/PdfJs.jsm b/browser/extensions/pdfjs/content/PdfJs.jsm new file mode 100644 index 000000000..b3d85436e --- /dev/null +++ b/browser/extensions/pdfjs/content/PdfJs.jsm @@ -0,0 +1,348 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint esnext:true */ +/* globals Components, Services, XPCOMUtils, PdfjsChromeUtils, + PdfjsContentUtils, PdfStreamConverter */ + +'use strict'; + +var EXPORTED_SYMBOLS = ['PdfJs']; + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cr = Components.results; +const Cm = Components.manager; +const Cu = Components.utils; + +const PREF_PREFIX = 'pdfjs'; +const PREF_DISABLED = PREF_PREFIX + '.disabled'; +const PREF_MIGRATION_VERSION = PREF_PREFIX + '.migrationVersion'; +const PREF_PREVIOUS_ACTION = PREF_PREFIX + '.previousHandler.preferredAction'; +const PREF_PREVIOUS_ASK = PREF_PREFIX + + '.previousHandler.alwaysAskBeforeHandling'; +const PREF_DISABLED_PLUGIN_TYPES = 'plugin.disable_full_page_plugin_for_types'; +const TOPIC_PDFJS_HANDLER_CHANGED = 'pdfjs:handlerChanged'; +const TOPIC_PLUGINS_LIST_UPDATED = 'plugins-list-updated'; +const TOPIC_PLUGIN_INFO_UPDATED = 'plugin-info-updated'; +const PDF_CONTENT_TYPE = 'application/pdf'; + +Cu.import('resource://gre/modules/XPCOMUtils.jsm'); +Cu.import('resource://gre/modules/Services.jsm'); + +var Svc = {}; +XPCOMUtils.defineLazyServiceGetter(Svc, 'mime', + '@mozilla.org/mime;1', + 'nsIMIMEService'); +XPCOMUtils.defineLazyServiceGetter(Svc, 'pluginHost', + '@mozilla.org/plugin/host;1', + 'nsIPluginHost'); +XPCOMUtils.defineLazyModuleGetter(this, 'PdfjsChromeUtils', + 'resource://pdf.js/PdfjsChromeUtils.jsm'); +XPCOMUtils.defineLazyModuleGetter(this, 'PdfjsContentUtils', + 'resource://pdf.js/PdfjsContentUtils.jsm'); + +function getBoolPref(aPref, aDefaultValue) { + try { + return Services.prefs.getBoolPref(aPref); + } catch (ex) { + return aDefaultValue; + } +} + +function getIntPref(aPref, aDefaultValue) { + try { + return Services.prefs.getIntPref(aPref); + } catch (ex) { + return aDefaultValue; + } +} + +function isDefaultHandler() { + if (Services.appinfo.processType === Services.appinfo.PROCESS_TYPE_CONTENT) { + return PdfjsContentUtils.isDefaultHandlerApp(); + } + return PdfjsChromeUtils.isDefaultHandlerApp(); +} + +function initializeDefaultPreferences() { + var DEFAULT_PREFERENCES = +{ + "showPreviousViewOnLoad": true, + "defaultZoomValue": "", + "sidebarViewOnLoad": 0, + "enableHandToolOnLoad": false, + "enableWebGL": false, + "pdfBugEnabled": false, + "disableRange": false, + "disableStream": false, + "disableAutoFetch": false, + "disableFontFace": false, + "disableTextLayer": false, + "useOnlyCssZoom": false, + "externalLinkTarget": 0, + "enhanceTextSelection": false, + "renderInteractiveForms": false, + "disablePageLabels": false +} + + + var defaultBranch = Services.prefs.getDefaultBranch(PREF_PREFIX + '.'); + var defaultValue; + for (var key in DEFAULT_PREFERENCES) { + defaultValue = DEFAULT_PREFERENCES[key]; + switch (typeof defaultValue) { + case 'boolean': + defaultBranch.setBoolPref(key, defaultValue); + break; + case 'number': + defaultBranch.setIntPref(key, defaultValue); + break; + case 'string': + defaultBranch.setCharPref(key, defaultValue); + break; + } + } +} + +// Register/unregister a constructor as a factory. +function Factory() {} +Factory.prototype = { + register: function register(targetConstructor) { + var proto = targetConstructor.prototype; + this._classID = proto.classID; + + var factory = XPCOMUtils._getFactory(targetConstructor); + this._factory = factory; + + var registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar); + registrar.registerFactory(proto.classID, proto.classDescription, + proto.contractID, factory); + + if (proto.classID2) { + this._classID2 = proto.classID2; + registrar.registerFactory(proto.classID2, proto.classDescription, + proto.contractID2, factory); + } + }, + + unregister: function unregister() { + var registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar); + registrar.unregisterFactory(this._classID, this._factory); + if (this._classID2) { + registrar.unregisterFactory(this._classID2, this._factory); + } + this._factory = null; + } +}; + +var PdfJs = { + QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]), + _registered: false, + _initialized: false, + + init: function init(remote) { + if (Services.appinfo.processType !== + Services.appinfo.PROCESS_TYPE_DEFAULT) { + throw new Error('PdfJs.init should only get called ' + + 'in the parent process.'); + } + PdfjsChromeUtils.init(); + if (!remote) { + PdfjsContentUtils.init(); + } + this.initPrefs(); + this.updateRegistration(); + }, + + initPrefs: function initPrefs() { + if (this._initialized) { + return; + } + this._initialized = true; + + if (!getBoolPref(PREF_DISABLED, true)) { + this._migrate(); + } + + // Listen for when pdf.js is completely disabled or a different pdf handler + // is chosen. + Services.prefs.addObserver(PREF_DISABLED, this, false); + Services.prefs.addObserver(PREF_DISABLED_PLUGIN_TYPES, this, false); + Services.obs.addObserver(this, TOPIC_PDFJS_HANDLER_CHANGED, false); + Services.obs.addObserver(this, TOPIC_PLUGINS_LIST_UPDATED, false); + Services.obs.addObserver(this, TOPIC_PLUGIN_INFO_UPDATED, false); + + initializeDefaultPreferences(); + }, + + updateRegistration: function updateRegistration() { + if (this.enabled) { + this._ensureRegistered(); + } else { + this._ensureUnregistered(); + } + }, + + uninit: function uninit() { + if (this._initialized) { + Services.prefs.removeObserver(PREF_DISABLED, this, false); + Services.prefs.removeObserver(PREF_DISABLED_PLUGIN_TYPES, this, false); + Services.obs.removeObserver(this, TOPIC_PDFJS_HANDLER_CHANGED, false); + Services.obs.removeObserver(this, TOPIC_PLUGINS_LIST_UPDATED, false); + Services.obs.removeObserver(this, TOPIC_PLUGIN_INFO_UPDATED, false); + this._initialized = false; + } + this._ensureUnregistered(); + }, + + _migrate: function migrate() { + const VERSION = 2; + var currentVersion = getIntPref(PREF_MIGRATION_VERSION, 0); + if (currentVersion >= VERSION) { + return; + } + // Make pdf.js the default pdf viewer on the first migration. + if (currentVersion < 1) { + this._becomeHandler(); + } + if (currentVersion < 2) { + // cleaning up of unused database preference (see #3994) + Services.prefs.clearUserPref(PREF_PREFIX + '.database'); + } + Services.prefs.setIntPref(PREF_MIGRATION_VERSION, VERSION); + }, + + _becomeHandler: function _becomeHandler() { + let handlerInfo = Svc.mime.getFromTypeAndExtension(PDF_CONTENT_TYPE, 'pdf'); + let prefs = Services.prefs; + if (handlerInfo.preferredAction !== Ci.nsIHandlerInfo.handleInternally && + handlerInfo.preferredAction !== false) { + // Store the previous settings of preferredAction and + // alwaysAskBeforeHandling in case we need to revert them in a hotfix that + // would turn pdf.js off. + prefs.setIntPref(PREF_PREVIOUS_ACTION, handlerInfo.preferredAction); + prefs.setBoolPref(PREF_PREVIOUS_ASK, handlerInfo.alwaysAskBeforeHandling); + } + + let handlerService = Cc['@mozilla.org/uriloader/handler-service;1']. + getService(Ci.nsIHandlerService); + + // Change and save mime handler settings. + handlerInfo.alwaysAskBeforeHandling = false; + handlerInfo.preferredAction = Ci.nsIHandlerInfo.handleInternally; + handlerService.store(handlerInfo); + + // Also disable any plugins for pdfs. + var stringTypes = ''; + var types = []; + if (prefs.prefHasUserValue(PREF_DISABLED_PLUGIN_TYPES)) { + stringTypes = prefs.getCharPref(PREF_DISABLED_PLUGIN_TYPES); + } + if (stringTypes !== '') { + types = stringTypes.split(','); + } + + if (types.indexOf(PDF_CONTENT_TYPE) === -1) { + types.push(PDF_CONTENT_TYPE); + } + prefs.setCharPref(PREF_DISABLED_PLUGIN_TYPES, types.join(',')); + + // Update the category manager in case the plugins are already loaded. + let categoryManager = Cc['@mozilla.org/categorymanager;1']; + categoryManager.getService(Ci.nsICategoryManager). + deleteCategoryEntry('Gecko-Content-Viewers', + PDF_CONTENT_TYPE, + false); + }, + + // nsIObserver + observe: function observe(aSubject, aTopic, aData) { + this.updateRegistration(); + if (Services.appinfo.processType === + Services.appinfo.PROCESS_TYPE_DEFAULT) { + let jsm = 'resource://pdf.js/PdfjsChromeUtils.jsm'; + let PdfjsChromeUtils = Components.utils.import(jsm, {}).PdfjsChromeUtils; + PdfjsChromeUtils.notifyChildOfSettingsChange(); + } + }, + + /** + * pdf.js is only enabled if it is both selected as the pdf viewer and if the + * global switch enabling it is true. + * @return {boolean} Whether or not it's enabled. + */ + get enabled() { + var disabled = getBoolPref(PREF_DISABLED, true); + if (disabled) { + return false; + } + + // Check if the 'application/pdf' preview handler is configured properly. + if (!isDefaultHandler()) { + return false; + } + + // Check if we have disabled plugin handling of 'application/pdf' in prefs + if (Services.prefs.prefHasUserValue(PREF_DISABLED_PLUGIN_TYPES)) { + let disabledPluginTypes = + Services.prefs.getCharPref(PREF_DISABLED_PLUGIN_TYPES).split(','); + if (disabledPluginTypes.indexOf(PDF_CONTENT_TYPE) >= 0) { + return true; + } + } + + // Check if there is an enabled pdf plugin. + // Note: this check is performed last because getPluginTags() triggers + // costly plugin list initialization (bug 881575) + let tags = Cc['@mozilla.org/plugin/host;1']. + getService(Ci.nsIPluginHost). + getPluginTags(); + let enabledPluginFound = tags.some(function(tag) { + if (tag.disabled) { + return false; + } + let mimeTypes = tag.getMimeTypes(); + return mimeTypes.some(function(mimeType) { + return mimeType === PDF_CONTENT_TYPE; + }); + }); + + // Use pdf.js if pdf plugin is not present or disabled + return !enabledPluginFound; + }, + + _ensureRegistered: function _ensureRegistered() { + if (this._registered) { + return; + } + this._pdfStreamConverterFactory = new Factory(); + Cu.import('resource://pdf.js/PdfStreamConverter.jsm'); + this._pdfStreamConverterFactory.register(PdfStreamConverter); + + this._registered = true; + }, + + _ensureUnregistered: function _ensureUnregistered() { + if (!this._registered) { + return; + } + this._pdfStreamConverterFactory.unregister(); + Cu.unload('resource://pdf.js/PdfStreamConverter.jsm'); + delete this._pdfStreamConverterFactory; + + this._registered = false; + } +}; + diff --git a/browser/extensions/pdfjs/content/PdfJsNetwork.jsm b/browser/extensions/pdfjs/content/PdfJsNetwork.jsm new file mode 100644 index 000000000..c3aefecb2 --- /dev/null +++ b/browser/extensions/pdfjs/content/PdfJsNetwork.jsm @@ -0,0 +1,257 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* globals Components, Services */ + +'use strict'; + +Components.utils.import('resource://gre/modules/Services.jsm'); + +var EXPORTED_SYMBOLS = ['NetworkManager']; + +function log(aMsg) { + var msg = 'network.js: ' + (aMsg.join ? aMsg.join('') : aMsg); + Services.console.logStringMessage(msg); +} + +var NetworkManager = (function NetworkManagerClosure() { + + var OK_RESPONSE = 200; + var PARTIAL_CONTENT_RESPONSE = 206; + + function NetworkManager(url, args) { + this.url = url; + args = args || {}; + this.isHttp = /^https?:/i.test(url); + this.httpHeaders = (this.isHttp && args.httpHeaders) || {}; + this.withCredentials = args.withCredentials || false; + this.getXhr = args.getXhr || + function NetworkManager_getXhr() { + return new XMLHttpRequest(); + }; + + this.currXhrId = 0; + this.pendingRequests = Object.create(null); + this.loadedRequests = Object.create(null); + } + + function getArrayBuffer(xhr) { + var data = xhr.response; + if (typeof data !== 'string') { + return data; + } + var length = data.length; + var array = new Uint8Array(length); + for (var i = 0; i < length; i++) { + array[i] = data.charCodeAt(i) & 0xFF; + } + return array.buffer; + } + + NetworkManager.prototype = { + requestRange: function NetworkManager_requestRange(begin, end, listeners) { + var args = { + begin: begin, + end: end + }; + for (var prop in listeners) { + args[prop] = listeners[prop]; + } + return this.request(args); + }, + + requestFull: function NetworkManager_requestFull(listeners) { + return this.request(listeners); + }, + + request: function NetworkManager_request(args) { + var xhr = this.getXhr(); + var xhrId = this.currXhrId++; + var pendingRequest = this.pendingRequests[xhrId] = { + xhr: xhr + }; + + xhr.open('GET', this.url); + xhr.withCredentials = this.withCredentials; + for (var property in this.httpHeaders) { + var value = this.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; + } + xhr.setRequestHeader(property, value); + } + if (this.isHttp && 'begin' in args && 'end' in args) { + var rangeStr = args.begin + '-' + (args.end - 1); + xhr.setRequestHeader('Range', 'bytes=' + rangeStr); + pendingRequest.expectedStatus = 206; + } else { + pendingRequest.expectedStatus = 200; + } + + var useMozChunkedLoading = !!args.onProgressiveData; + if (useMozChunkedLoading) { + xhr.responseType = 'moz-chunked-arraybuffer'; + pendingRequest.onProgressiveData = args.onProgressiveData; + pendingRequest.mozChunked = true; + } else { + xhr.responseType = 'arraybuffer'; + } + + if (args.onError) { + xhr.onerror = function(evt) { + args.onError(xhr.status); + }; + } + xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); + xhr.onprogress = this.onProgress.bind(this, xhrId); + + pendingRequest.onHeadersReceived = args.onHeadersReceived; + pendingRequest.onDone = args.onDone; + pendingRequest.onError = args.onError; + pendingRequest.onProgress = args.onProgress; + + xhr.send(null); + + return xhrId; + }, + + onProgress: function NetworkManager_onProgress(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + if (pendingRequest.mozChunked) { + var chunk = getArrayBuffer(pendingRequest.xhr); + pendingRequest.onProgressiveData(chunk); + } + + var onProgress = pendingRequest.onProgress; + if (onProgress) { + onProgress(evt); + } + }, + + onStateChange: function NetworkManager_onStateChange(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + var xhr = pendingRequest.xhr; + if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { + pendingRequest.onHeadersReceived(); + delete pendingRequest.onHeadersReceived; + } + + if (xhr.readyState !== 4) { + return; + } + + if (!(xhrId in this.pendingRequests)) { + // The XHR request might have been aborted in onHeadersReceived() + // callback, in which case we should abort request + return; + } + + delete this.pendingRequests[xhrId]; + + // success status == 0 can be on ftp, file and other protocols + if (xhr.status === 0 && this.isHttp) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + var xhrStatus = xhr.status || OK_RESPONSE; + + // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2: + // "A server MAY ignore the Range header". This means it's possible to + // get a 200 rather than a 206 response from a range request. + var ok_response_on_range_request = + xhrStatus === OK_RESPONSE && + pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; + + if (!ok_response_on_range_request && + xhrStatus !== pendingRequest.expectedStatus) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + + this.loadedRequests[xhrId] = true; + + var chunk = getArrayBuffer(xhr); + if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { + var rangeHeader = xhr.getResponseHeader('Content-Range'); + var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); + var begin = parseInt(matches[1], 10); + pendingRequest.onDone({ + begin: begin, + chunk: chunk + }); + } else if (pendingRequest.onProgressiveData) { + pendingRequest.onDone(null); + } else if (chunk) { + pendingRequest.onDone({ + begin: 0, + chunk: chunk + }); + } else if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + }, + + hasPendingRequests: function NetworkManager_hasPendingRequests() { + for (var xhrId in this.pendingRequests) { + return true; + } + return false; + }, + + getRequestXhr: function NetworkManager_getXhr(xhrId) { + return this.pendingRequests[xhrId].xhr; + }, + + isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { + return !!(this.pendingRequests[xhrId].onProgressiveData); + }, + + isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { + return xhrId in this.pendingRequests; + }, + + isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { + return xhrId in this.loadedRequests; + }, + + abortAllRequests: function NetworkManager_abortAllRequests() { + for (var xhrId in this.pendingRequests) { + this.abortRequest(xhrId | 0); + } + }, + + abortRequest: function NetworkManager_abortRequest(xhrId) { + var xhr = this.pendingRequests[xhrId].xhr; + delete this.pendingRequests[xhrId]; + xhr.abort(); + } + }; + + return NetworkManager; +})(); + diff --git a/browser/extensions/pdfjs/content/PdfJsTelemetry.jsm b/browser/extensions/pdfjs/content/PdfJsTelemetry.jsm new file mode 100644 index 000000000..275da9d87 --- /dev/null +++ b/browser/extensions/pdfjs/content/PdfJsTelemetry.jsm @@ -0,0 +1,70 @@ +/* Copyright 2013 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint esnext:true, maxlen: 100 */ +/* globals Components, Services */ + +'use strict'; + +this.EXPORTED_SYMBOLS = ['PdfJsTelemetry']; + +const Cu = Components.utils; +Cu.import('resource://gre/modules/Services.jsm'); + +this.PdfJsTelemetry = { + onViewerIsUsed: function () { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_USED'); + histogram.add(true); + }, + onFallback: function () { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_FALLBACK_SHOWN'); + histogram.add(true); + }, + onDocumentSize: function (size) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_DOCUMENT_SIZE_KB'); + histogram.add(size / 1024); + }, + onDocumentVersion: function (versionId) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_DOCUMENT_VERSION'); + histogram.add(versionId); + }, + onDocumentGenerator: function (generatorId) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_DOCUMENT_GENERATOR'); + histogram.add(generatorId); + }, + onEmbed: function (isObject) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_EMBED'); + histogram.add(isObject); + }, + onFontType: function (fontTypeId) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_FONT_TYPES'); + histogram.add(fontTypeId); + }, + onForm: function (isAcroform) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_FORM'); + histogram.add(isAcroform); + }, + onPrint: function () { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_PRINT'); + histogram.add(true); + }, + onStreamType: function (streamTypeId) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_STREAM_TYPES'); + histogram.add(streamTypeId); + }, + onTimeToView: function (ms) { + let histogram = Services.telemetry.getHistogramById('PDF_VIEWER_TIME_TO_VIEW_MS'); + histogram.add(ms); + } +}; diff --git a/browser/extensions/pdfjs/content/PdfStreamConverter.jsm b/browser/extensions/pdfjs/content/PdfStreamConverter.jsm new file mode 100644 index 000000000..3b9f9de26 --- /dev/null +++ b/browser/extensions/pdfjs/content/PdfStreamConverter.jsm @@ -0,0 +1,1045 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint esnext:true */ +/* globals Components, Services, XPCOMUtils, NetUtil, PrivateBrowsingUtils, + dump, NetworkManager, PdfJsTelemetry, PdfjsContentUtils */ + +'use strict'; + +var EXPORTED_SYMBOLS = ['PdfStreamConverter']; + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cr = Components.results; +const Cu = Components.utils; +// True only if this is the version of pdf.js that is included with firefox. +const MOZ_CENTRAL = JSON.parse('true'); +const PDFJS_EVENT_ID = 'pdf.js.message'; +const PDF_CONTENT_TYPE = 'application/pdf'; +const PREF_PREFIX = 'pdfjs'; +const PDF_VIEWER_WEB_PAGE = 'resource://pdf.js/web/viewer.html'; +const MAX_NUMBER_OF_PREFS = 50; +const MAX_STRING_PREF_LENGTH = 128; + +Cu.import('resource://gre/modules/XPCOMUtils.jsm'); +Cu.import('resource://gre/modules/Services.jsm'); +Cu.import('resource://gre/modules/NetUtil.jsm'); + +XPCOMUtils.defineLazyModuleGetter(this, 'NetworkManager', + 'resource://pdf.js/PdfJsNetwork.jsm'); + +XPCOMUtils.defineLazyModuleGetter(this, 'PrivateBrowsingUtils', + 'resource://gre/modules/PrivateBrowsingUtils.jsm'); + +XPCOMUtils.defineLazyModuleGetter(this, 'PdfJsTelemetry', + 'resource://pdf.js/PdfJsTelemetry.jsm'); + +XPCOMUtils.defineLazyModuleGetter(this, 'PdfjsContentUtils', + 'resource://pdf.js/PdfjsContentUtils.jsm'); + +var Svc = {}; +XPCOMUtils.defineLazyServiceGetter(Svc, 'mime', + '@mozilla.org/mime;1', + 'nsIMIMEService'); + +function getContainingBrowser(domWindow) { + return domWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIWebNavigation) + .QueryInterface(Ci.nsIDocShell) + .chromeEventHandler; +} + +function getFindBar(domWindow) { + if (PdfjsContentUtils.isRemote) { + throw new Error('FindBar is not accessible from the content process.'); + } + try { + var browser = getContainingBrowser(domWindow); + var tabbrowser = browser.getTabBrowser(); + var tab = tabbrowser.getTabForBrowser(browser); + return tabbrowser.getFindBar(tab); + } catch (e) { + // Suppress errors for PDF files opened in the bookmark sidebar, see + // https://bugzilla.mozilla.org/show_bug.cgi?id=1248959. + return null; + } +} + +function getBoolPref(pref, def) { + try { + return Services.prefs.getBoolPref(pref); + } catch (ex) { + return def; + } +} + +function getIntPref(pref, def) { + try { + return Services.prefs.getIntPref(pref); + } catch (ex) { + return def; + } +} + +function getStringPref(pref, def) { + try { + return Services.prefs.getComplexValue(pref, Ci.nsISupportsString).data; + } catch (ex) { + return def; + } +} + +function log(aMsg) { + if (!getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false)) { + return; + } + var msg = 'PdfStreamConverter.js: ' + (aMsg.join ? aMsg.join('') : aMsg); + Services.console.logStringMessage(msg); + dump(msg + '\n'); +} + +function getDOMWindow(aChannel) { + var requestor = aChannel.notificationCallbacks ? + aChannel.notificationCallbacks : + aChannel.loadGroup.notificationCallbacks; + var win = requestor.getInterface(Components.interfaces.nsIDOMWindow); + return win; +} + +function getLocalizedStrings(path) { + var stringBundle = Cc['@mozilla.org/intl/stringbundle;1']. + getService(Ci.nsIStringBundleService). + createBundle('chrome://pdf.js/locale/' + path); + + var map = {}; + var enumerator = stringBundle.getSimpleEnumeration(); + while (enumerator.hasMoreElements()) { + var string = enumerator.getNext().QueryInterface(Ci.nsIPropertyElement); + var key = string.key, property = 'textContent'; + var i = key.lastIndexOf('.'); + if (i >= 0) { + property = key.substring(i + 1); + key = key.substring(0, i); + } + if (!(key in map)) { + map[key] = {}; + } + map[key][property] = string.value; + } + return map; +} +function getLocalizedString(strings, id, property) { + property = property || 'textContent'; + if (id in strings) { + return strings[id][property]; + } + return id; +} + +function createNewChannel(uri, node) { + return NetUtil.newChannel({ + uri: uri, + loadUsingSystemPrincipal: true, + }); +} + +function asyncOpenChannel(channel, listener, context) { + return channel.asyncOpen2(listener); +} + +function asyncFetchChannel(channel, callback) { + return NetUtil.asyncFetch(channel, callback); +} + +// PDF data storage +function PdfDataListener(length) { + this.length = length; // less than 0, if length is unknown + this.buffer = null; + this.loaded = 0; +} + +PdfDataListener.prototype = { + append: function PdfDataListener_append(chunk) { + // In most of the cases we will pass data as we receive it, but at the + // beginning of the loading we may accumulate some data. + if (!this.buffer) { + this.buffer = new Uint8Array(chunk); + } else { + var buffer = this.buffer; + var newBuffer = new Uint8Array(buffer.length + chunk.length); + newBuffer.set(buffer); + newBuffer.set(chunk, buffer.length); + this.buffer = newBuffer; + } + this.loaded += chunk.length; + if (this.length >= 0 && this.length < this.loaded) { + this.length = -1; // reset the length, server is giving incorrect one + } + this.onprogress(this.loaded, this.length >= 0 ? this.length : void(0)); + }, + readData: function PdfDataListener_readData() { + var result = this.buffer; + this.buffer = null; + return result; + }, + finish: function PdfDataListener_finish() { + this.isDataReady = true; + if (this.oncompleteCallback) { + this.oncompleteCallback(this.readData()); + } + }, + error: function PdfDataListener_error(errorCode) { + this.errorCode = errorCode; + if (this.oncompleteCallback) { + this.oncompleteCallback(null, errorCode); + } + }, + onprogress: function() {}, + get oncomplete() { + return this.oncompleteCallback; + }, + set oncomplete(value) { + this.oncompleteCallback = value; + if (this.isDataReady) { + value(this.readData()); + } + if (this.errorCode) { + value(null, this.errorCode); + } + } +}; + +// All the priviledged actions. +function ChromeActions(domWindow, contentDispositionFilename) { + this.domWindow = domWindow; + this.contentDispositionFilename = contentDispositionFilename; + this.telemetryState = { + documentInfo: false, + firstPageInfo: false, + streamTypesUsed: [], + fontTypesUsed: [], + startAt: Date.now() + }; +} + +ChromeActions.prototype = { + isInPrivateBrowsing: function() { + return PrivateBrowsingUtils.isContentWindowPrivate(this.domWindow); + }, + download: function(data, sendResponse) { + var self = this; + var originalUrl = data.originalUrl; + var blobUrl = data.blobUrl || originalUrl; + // The data may not be downloaded so we need just retry getting the pdf with + // the original url. + var originalUri = NetUtil.newURI(originalUrl); + var filename = data.filename; + if (typeof filename !== 'string' || + (!/\.pdf$/i.test(filename) && !data.isAttachment)) { + filename = 'document.pdf'; + } + var blobUri = NetUtil.newURI(blobUrl); + var extHelperAppSvc = + Cc['@mozilla.org/uriloader/external-helper-app-service;1']. + getService(Ci.nsIExternalHelperAppService); + + var docIsPrivate = this.isInPrivateBrowsing(); + var netChannel = createNewChannel(blobUri, this.domWindow.document); + if ('nsIPrivateBrowsingChannel' in Ci && + netChannel instanceof Ci.nsIPrivateBrowsingChannel) { + netChannel.setPrivate(docIsPrivate); + } + asyncFetchChannel(netChannel, function(aInputStream, aResult) { + if (!Components.isSuccessCode(aResult)) { + if (sendResponse) { + sendResponse(true); + } + return; + } + // Create a nsIInputStreamChannel so we can set the url on the channel + // so the filename will be correct. + var channel = Cc['@mozilla.org/network/input-stream-channel;1']. + createInstance(Ci.nsIInputStreamChannel); + channel.QueryInterface(Ci.nsIChannel); + try { + // contentDisposition/contentDispositionFilename is readonly before FF18 + channel.contentDisposition = Ci.nsIChannel.DISPOSITION_ATTACHMENT; + if (self.contentDispositionFilename && !data.isAttachment) { + channel.contentDispositionFilename = self.contentDispositionFilename; + } else { + channel.contentDispositionFilename = filename; + } + } catch (e) {} + channel.setURI(originalUri); + channel.loadInfo = netChannel.loadInfo; + channel.contentStream = aInputStream; + if ('nsIPrivateBrowsingChannel' in Ci && + channel instanceof Ci.nsIPrivateBrowsingChannel) { + channel.setPrivate(docIsPrivate); + } + + var listener = { + extListener: null, + onStartRequest: function(aRequest, aContext) { + var loadContext = self.domWindow + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIWebNavigation) + .QueryInterface(Ci.nsILoadContext); + this.extListener = extHelperAppSvc.doContent( + (data.isAttachment ? 'application/octet-stream' : + 'application/pdf'), + aRequest, loadContext, false); + this.extListener.onStartRequest(aRequest, aContext); + }, + onStopRequest: function(aRequest, aContext, aStatusCode) { + if (this.extListener) { + this.extListener.onStopRequest(aRequest, aContext, aStatusCode); + } + // Notify the content code we're done downloading. + if (sendResponse) { + sendResponse(false); + } + }, + onDataAvailable: function(aRequest, aContext, aInputStream, aOffset, + aCount) { + this.extListener.onDataAvailable(aRequest, aContext, aInputStream, + aOffset, aCount); + } + }; + + asyncOpenChannel(channel, listener, null); + }); + }, + getLocale: function() { + return getStringPref('general.useragent.locale', 'en-US'); + }, + getStrings: function(data) { + try { + // Lazy initialization of localizedStrings + if (!('localizedStrings' in this)) { + this.localizedStrings = getLocalizedStrings('viewer.properties'); + } + var result = this.localizedStrings[data]; + return JSON.stringify(result || null); + } catch (e) { + log('Unable to retrieve localized strings: ' + e); + return 'null'; + } + }, + supportsIntegratedFind: function() { + // Integrated find is only supported when we're not in a frame + if (this.domWindow.frameElement !== null) { + return false; + } + + // ... and we are in a child process + if (PdfjsContentUtils.isRemote) { + return true; + } + + // ... or when the new find events code exists. + var findBar = getFindBar(this.domWindow); + return !!findBar && ('updateControlState' in findBar); + }, + supportsDocumentFonts: function() { + var prefBrowser = getIntPref('browser.display.use_document_fonts', 1); + var prefGfx = getBoolPref('gfx.downloadable_fonts.enabled', true); + return (!!prefBrowser && prefGfx); + }, + supportsDocumentColors: function() { + return getIntPref('browser.display.document_color_use', 0) !== 2; + }, + supportedMouseWheelZoomModifierKeys: function() { + return { + ctrlKey: getIntPref('mousewheel.with_control.action', 3) === 3, + metaKey: getIntPref('mousewheel.with_meta.action', 1) === 3, + }; + }, + reportTelemetry: function (data) { + var probeInfo = JSON.parse(data); + switch (probeInfo.type) { + case 'documentInfo': + if (!this.telemetryState.documentInfo) { + PdfJsTelemetry.onDocumentVersion(probeInfo.version | 0); + PdfJsTelemetry.onDocumentGenerator(probeInfo.generator | 0); + if (probeInfo.formType) { + PdfJsTelemetry.onForm(probeInfo.formType === 'acroform'); + } + this.telemetryState.documentInfo = true; + } + break; + case 'pageInfo': + if (!this.telemetryState.firstPageInfo) { + var duration = Date.now() - this.telemetryState.startAt; + PdfJsTelemetry.onTimeToView(duration); + this.telemetryState.firstPageInfo = true; + } + break; + case 'documentStats': + // documentStats can be called several times for one documents. + // if stream/font types are reported, trying not to submit the same + // enumeration value multiple times. + var documentStats = probeInfo.stats; + if (!documentStats || typeof documentStats !== 'object') { + break; + } + var i, streamTypes = documentStats.streamTypes; + if (Array.isArray(streamTypes)) { + var STREAM_TYPE_ID_LIMIT = 20; + for (i = 0; i < STREAM_TYPE_ID_LIMIT; i++) { + if (streamTypes[i] && + !this.telemetryState.streamTypesUsed[i]) { + PdfJsTelemetry.onStreamType(i); + this.telemetryState.streamTypesUsed[i] = true; + } + } + } + var fontTypes = documentStats.fontTypes; + if (Array.isArray(fontTypes)) { + var FONT_TYPE_ID_LIMIT = 20; + for (i = 0; i < FONT_TYPE_ID_LIMIT; i++) { + if (fontTypes[i] && + !this.telemetryState.fontTypesUsed[i]) { + PdfJsTelemetry.onFontType(i); + this.telemetryState.fontTypesUsed[i] = true; + } + } + } + break; + case 'print': + PdfJsTelemetry.onPrint(); + break; + } + }, + fallback: function(args, sendResponse) { + var featureId = args.featureId; + var url = args.url; + + var self = this; + var domWindow = this.domWindow; + var strings = getLocalizedStrings('chrome.properties'); + var message; + if (featureId === 'forms') { + message = getLocalizedString(strings, 'unsupported_feature_forms'); + } else { + message = getLocalizedString(strings, 'unsupported_feature'); + } + PdfJsTelemetry.onFallback(); + PdfjsContentUtils.displayWarning(domWindow, message, + getLocalizedString(strings, 'open_with_different_viewer'), + getLocalizedString(strings, 'open_with_different_viewer', 'accessKey')); + + let winmm = domWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDocShell) + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIContentFrameMessageManager); + + winmm.addMessageListener('PDFJS:Child:fallbackDownload', + function fallbackDownload(msg) { + let data = msg.data; + sendResponse(data.download); + + winmm.removeMessageListener('PDFJS:Child:fallbackDownload', + fallbackDownload); + }); + }, + updateFindControlState: function(data) { + if (!this.supportsIntegratedFind()) { + return; + } + // Verify what we're sending to the findbar. + var result = data.result; + var findPrevious = data.findPrevious; + var findPreviousType = typeof findPrevious; + if ((typeof result !== 'number' || result < 0 || result > 3) || + (findPreviousType !== 'undefined' && findPreviousType !== 'boolean')) { + return; + } + + var winmm = this.domWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDocShell) + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIContentFrameMessageManager); + + winmm.sendAsyncMessage('PDFJS:Parent:updateControlState', data); + }, + setPreferences: function(prefs, sendResponse) { + var defaultBranch = Services.prefs.getDefaultBranch(PREF_PREFIX + '.'); + var numberOfPrefs = 0; + var prefValue, prefName; + for (var key in prefs) { + if (++numberOfPrefs > MAX_NUMBER_OF_PREFS) { + log('setPreferences - Exceeded the maximum number of preferences ' + + 'that is allowed to be set at once.'); + break; + } else if (!defaultBranch.getPrefType(key)) { + continue; + } + prefValue = prefs[key]; + prefName = (PREF_PREFIX + '.' + key); + switch (typeof prefValue) { + case 'boolean': + PdfjsContentUtils.setBoolPref(prefName, prefValue); + break; + case 'number': + PdfjsContentUtils.setIntPref(prefName, prefValue); + break; + case 'string': + if (prefValue.length > MAX_STRING_PREF_LENGTH) { + log('setPreferences - Exceeded the maximum allowed length ' + + 'for a string preference.'); + } else { + PdfjsContentUtils.setStringPref(prefName, prefValue); + } + break; + } + } + if (sendResponse) { + sendResponse(true); + } + }, + getPreferences: function(prefs, sendResponse) { + var defaultBranch = Services.prefs.getDefaultBranch(PREF_PREFIX + '.'); + var currentPrefs = {}, numberOfPrefs = 0; + var prefValue, prefName; + for (var key in prefs) { + if (++numberOfPrefs > MAX_NUMBER_OF_PREFS) { + log('getPreferences - Exceeded the maximum number of preferences ' + + 'that is allowed to be fetched at once.'); + break; + } else if (!defaultBranch.getPrefType(key)) { + continue; + } + prefValue = prefs[key]; + prefName = (PREF_PREFIX + '.' + key); + switch (typeof prefValue) { + case 'boolean': + currentPrefs[key] = getBoolPref(prefName, prefValue); + break; + case 'number': + currentPrefs[key] = getIntPref(prefName, prefValue); + break; + case 'string': + currentPrefs[key] = getStringPref(prefName, prefValue); + break; + } + } + if (sendResponse) { + sendResponse(JSON.stringify(currentPrefs)); + } else { + return JSON.stringify(currentPrefs); + } + } +}; + +var RangedChromeActions = (function RangedChromeActionsClosure() { + /** + * This is for range requests + */ + function RangedChromeActions( + domWindow, contentDispositionFilename, originalRequest, + rangeEnabled, streamingEnabled, dataListener) { + + ChromeActions.call(this, domWindow, contentDispositionFilename); + this.dataListener = dataListener; + this.originalRequest = originalRequest; + this.rangeEnabled = rangeEnabled; + this.streamingEnabled = streamingEnabled; + + this.pdfUrl = originalRequest.URI.spec; + this.contentLength = originalRequest.contentLength; + + // Pass all the headers from the original request through + var httpHeaderVisitor = { + headers: {}, + visitHeader: function(aHeader, aValue) { + if (aHeader === 'Range') { + // When loading the PDF from cache, firefox seems to set the Range + // request header to fetch only the unfetched portions of the file + // (e.g. 'Range: bytes=1024-'). However, we want to set this header + // manually to fetch the PDF in chunks. + return; + } + this.headers[aHeader] = aValue; + } + }; + if (originalRequest.visitRequestHeaders) { + originalRequest.visitRequestHeaders(httpHeaderVisitor); + } + + var self = this; + var xhr_onreadystatechange = function xhr_onreadystatechange() { + if (this.readyState === 1) { // LOADING + var netChannel = this.channel; + if ('nsIPrivateBrowsingChannel' in Ci && + netChannel instanceof Ci.nsIPrivateBrowsingChannel) { + var docIsPrivate = self.isInPrivateBrowsing(); + netChannel.setPrivate(docIsPrivate); + } + } + }; + var getXhr = function getXhr() { + const XMLHttpRequest = Components.Constructor( + '@mozilla.org/xmlextras/xmlhttprequest;1'); + var xhr = new XMLHttpRequest(); + xhr.addEventListener('readystatechange', xhr_onreadystatechange); + return xhr; + }; + + this.networkManager = new NetworkManager(this.pdfUrl, { + httpHeaders: httpHeaderVisitor.headers, + getXhr: getXhr + }); + + // If we are in range request mode, this means we manually issued xhr + // requests, which we need to abort when we leave the page + domWindow.addEventListener('unload', function unload(e) { + domWindow.removeEventListener(e.type, unload); + self.abortLoading(); + }); + } + + RangedChromeActions.prototype = Object.create(ChromeActions.prototype); + var proto = RangedChromeActions.prototype; + proto.constructor = RangedChromeActions; + + proto.initPassiveLoading = function RangedChromeActions_initPassiveLoading() { + var self = this; + var data; + if (!this.streamingEnabled) { + this.originalRequest.cancel(Cr.NS_BINDING_ABORTED); + this.originalRequest = null; + data = this.dataListener.readData(); + this.dataListener = null; + } else { + data = this.dataListener.readData(); + + this.dataListener.onprogress = function (loaded, total) { + self.domWindow.postMessage({ + pdfjsLoadAction: 'progressiveRead', + loaded: loaded, + total: total, + chunk: self.dataListener.readData() + }, '*'); + }; + this.dataListener.oncomplete = function () { + self.dataListener = null; + }; + } + + this.domWindow.postMessage({ + pdfjsLoadAction: 'supportsRangedLoading', + rangeEnabled: this.rangeEnabled, + streamingEnabled: this.streamingEnabled, + pdfUrl: this.pdfUrl, + length: this.contentLength, + data: data + }, '*'); + + return true; + }; + + proto.requestDataRange = function RangedChromeActions_requestDataRange(args) { + if (!this.rangeEnabled) { + return; + } + + var begin = args.begin; + var end = args.end; + var domWindow = this.domWindow; + // TODO(mack): Support error handler. We're not currently not handling + // errors from chrome code for non-range requests, so this doesn't + // seem high-pri + this.networkManager.requestRange(begin, end, { + onDone: function RangedChromeActions_onDone(args) { + domWindow.postMessage({ + pdfjsLoadAction: 'range', + begin: args.begin, + chunk: args.chunk + }, '*'); + }, + onProgress: function RangedChromeActions_onProgress(evt) { + domWindow.postMessage({ + pdfjsLoadAction: 'rangeProgress', + loaded: evt.loaded, + }, '*'); + } + }); + }; + + proto.abortLoading = function RangedChromeActions_abortLoading() { + this.networkManager.abortAllRequests(); + if (this.originalRequest) { + this.originalRequest.cancel(Cr.NS_BINDING_ABORTED); + this.originalRequest = null; + } + this.dataListener = null; + }; + + return RangedChromeActions; +})(); + +var StandardChromeActions = (function StandardChromeActionsClosure() { + + /** + * This is for a single network stream + */ + function StandardChromeActions(domWindow, contentDispositionFilename, + originalRequest, dataListener) { + + ChromeActions.call(this, domWindow, contentDispositionFilename); + this.originalRequest = originalRequest; + this.dataListener = dataListener; + } + + StandardChromeActions.prototype = Object.create(ChromeActions.prototype); + var proto = StandardChromeActions.prototype; + proto.constructor = StandardChromeActions; + + proto.initPassiveLoading = + function StandardChromeActions_initPassiveLoading() { + + if (!this.dataListener) { + return false; + } + + var self = this; + + this.dataListener.onprogress = function ChromeActions_dataListenerProgress( + loaded, total) { + self.domWindow.postMessage({ + pdfjsLoadAction: 'progress', + loaded: loaded, + total: total + }, '*'); + }; + + this.dataListener.oncomplete = + function StandardChromeActions_dataListenerComplete(data, errorCode) { + self.domWindow.postMessage({ + pdfjsLoadAction: 'complete', + data: data, + errorCode: errorCode + }, '*'); + + self.dataListener = null; + self.originalRequest = null; + }; + + return true; + }; + + proto.abortLoading = function StandardChromeActions_abortLoading() { + if (this.originalRequest) { + this.originalRequest.cancel(Cr.NS_BINDING_ABORTED); + this.originalRequest = null; + } + this.dataListener = null; + }; + + return StandardChromeActions; +})(); + +// Event listener to trigger chrome privileged code. +function RequestListener(actions) { + this.actions = actions; +} +// Receive an event and synchronously or asynchronously responds. +RequestListener.prototype.receive = function(event) { + var message = event.target; + var doc = message.ownerDocument; + var action = event.detail.action; + var data = event.detail.data; + var sync = event.detail.sync; + var actions = this.actions; + if (!(action in actions)) { + log('Unknown action: ' + action); + return; + } + var response; + if (sync) { + response = actions[action].call(this.actions, data); + event.detail.response = Cu.cloneInto(response, doc.defaultView); + } else { + if (!event.detail.responseExpected) { + doc.documentElement.removeChild(message); + response = null; + } else { + response = function sendResponse(response) { + try { + var listener = doc.createEvent('CustomEvent'); + let detail = Cu.cloneInto({ response: response }, doc.defaultView); + listener.initCustomEvent('pdf.js.response', true, false, detail); + return message.dispatchEvent(listener); + } catch (e) { + // doc is no longer accessible because the requestor is already + // gone. unloaded content cannot receive the response anyway. + return false; + } + }; + } + actions[action].call(this.actions, data, response); + } +}; + +// Forwards events from the eventElement to the contentWindow only if the +// content window matches the currently selected browser window. +function FindEventManager(contentWindow) { + this.contentWindow = contentWindow; + this.winmm = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDocShell) + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIContentFrameMessageManager); +} + +FindEventManager.prototype.bind = function() { + var unload = function(e) { + this.unbind(); + this.contentWindow.removeEventListener(e.type, unload); + }.bind(this); + this.contentWindow.addEventListener('unload', unload); + + // We cannot directly attach listeners to for the find events + // since the FindBar is in the parent process. Instead we're + // asking the PdfjsChromeUtils to do it for us and forward + // all the find events to us. + this.winmm.sendAsyncMessage('PDFJS:Parent:addEventListener'); + this.winmm.addMessageListener('PDFJS:Child:handleEvent', this); +}; + +FindEventManager.prototype.receiveMessage = function(msg) { + var detail = msg.data.detail; + var type = msg.data.type; + var contentWindow = this.contentWindow; + + detail = Cu.cloneInto(detail, contentWindow); + var forward = contentWindow.document.createEvent('CustomEvent'); + forward.initCustomEvent(type, true, true, detail); + contentWindow.dispatchEvent(forward); +}; + +FindEventManager.prototype.unbind = function() { + this.winmm.sendAsyncMessage('PDFJS:Parent:removeEventListener'); +}; + +function PdfStreamConverter() { +} + +PdfStreamConverter.prototype = { + + // properties required for XPCOM registration: + classID: Components.ID('{d0c5195d-e798-49d4-b1d3-9324328b2291}'), + classDescription: 'pdf.js Component', + contractID: '@mozilla.org/streamconv;1?from=application/pdf&to=*/*', + + classID2: Components.ID('{d0c5195d-e798-49d4-b1d3-9324328b2292}'), + contractID2: '@mozilla.org/streamconv;1?from=application/pdf&to=text/html', + + QueryInterface: XPCOMUtils.generateQI([ + Ci.nsISupports, + Ci.nsIStreamConverter, + Ci.nsIStreamListener, + Ci.nsIRequestObserver + ]), + + /* + * This component works as such: + * 1. asyncConvertData stores the listener + * 2. onStartRequest creates a new channel, streams the viewer + * 3. If range requests are supported: + * 3.1. Leave the request open until the viewer is ready to switch to + * range requests. + * + * If range rquests are not supported: + * 3.1. Read the stream as it's loaded in onDataAvailable to send + * to the viewer + * + * The convert function just returns the stream, it's just the synchronous + * version of asyncConvertData. + */ + + // nsIStreamConverter::convert + convert: function(aFromStream, aFromType, aToType, aCtxt) { + throw Cr.NS_ERROR_NOT_IMPLEMENTED; + }, + + // nsIStreamConverter::asyncConvertData + asyncConvertData: function(aFromType, aToType, aListener, aCtxt) { + // Store the listener passed to us + this.listener = aListener; + }, + + // nsIStreamListener::onDataAvailable + onDataAvailable: function(aRequest, aContext, aInputStream, aOffset, aCount) { + if (!this.dataListener) { + return; + } + + var binaryStream = this.binaryStream; + binaryStream.setInputStream(aInputStream); + var chunk = binaryStream.readByteArray(aCount); + this.dataListener.append(chunk); + }, + + // nsIRequestObserver::onStartRequest + onStartRequest: function(aRequest, aContext) { + // Setup the request so we can use it below. + var isHttpRequest = false; + try { + aRequest.QueryInterface(Ci.nsIHttpChannel); + isHttpRequest = true; + } catch (e) {} + + var rangeRequest = false; + var streamRequest = false; + if (isHttpRequest) { + var contentEncoding = 'identity'; + try { + contentEncoding = aRequest.getResponseHeader('Content-Encoding'); + } catch (e) {} + + var acceptRanges; + try { + acceptRanges = aRequest.getResponseHeader('Accept-Ranges'); + } catch (e) {} + + var hash = aRequest.URI.ref; + var isPDFBugEnabled = getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false); + rangeRequest = contentEncoding === 'identity' && + acceptRanges === 'bytes' && + aRequest.contentLength >= 0 && + !getBoolPref(PREF_PREFIX + '.disableRange', false) && + (!isPDFBugEnabled || + hash.toLowerCase().indexOf('disablerange=true') < 0); + streamRequest = contentEncoding === 'identity' && + aRequest.contentLength >= 0 && + !getBoolPref(PREF_PREFIX + '.disableStream', false) && + (!isPDFBugEnabled || + hash.toLowerCase().indexOf('disablestream=true') < 0); + } + + aRequest.QueryInterface(Ci.nsIChannel); + + aRequest.QueryInterface(Ci.nsIWritablePropertyBag); + + var contentDispositionFilename; + try { + contentDispositionFilename = aRequest.contentDispositionFilename; + } catch (e) {} + + // Change the content type so we don't get stuck in a loop. + aRequest.setProperty('contentType', aRequest.contentType); + aRequest.contentType = 'text/html'; + if (isHttpRequest) { + // We trust PDF viewer, using no CSP + aRequest.setResponseHeader('Content-Security-Policy', '', false); + aRequest.setResponseHeader('Content-Security-Policy-Report-Only', '', + false); + // The viewer does not need to handle HTTP Refresh header. + aRequest.setResponseHeader('Refresh', '', false); + } + + PdfJsTelemetry.onViewerIsUsed(); + PdfJsTelemetry.onDocumentSize(aRequest.contentLength); + + // Creating storage for PDF data + var contentLength = aRequest.contentLength; + this.dataListener = new PdfDataListener(contentLength); + this.binaryStream = Cc['@mozilla.org/binaryinputstream;1'] + .createInstance(Ci.nsIBinaryInputStream); + + // Create a new channel that is viewer loaded as a resource. + var channel = createNewChannel(PDF_VIEWER_WEB_PAGE, null); + + var listener = this.listener; + var dataListener = this.dataListener; + // Proxy all the request observer calls, when it gets to onStopRequest + // we can get the dom window. We also intentionally pass on the original + // request(aRequest) below so we don't overwrite the original channel and + // trigger an assertion. + var proxy = { + onStartRequest: function(request, context) { + listener.onStartRequest(aRequest, aContext); + }, + onDataAvailable: function(request, context, inputStream, offset, count) { + listener.onDataAvailable(aRequest, aContext, inputStream, + offset, count); + }, + onStopRequest: function(request, context, statusCode) { + // We get the DOM window here instead of before the request since it + // may have changed during a redirect. + var domWindow = getDOMWindow(channel); + var actions; + if (rangeRequest || streamRequest) { + actions = new RangedChromeActions( + domWindow, contentDispositionFilename, aRequest, + rangeRequest, streamRequest, dataListener); + } else { + actions = new StandardChromeActions( + domWindow, contentDispositionFilename, aRequest, dataListener); + } + var requestListener = new RequestListener(actions); + domWindow.addEventListener(PDFJS_EVENT_ID, function(event) { + requestListener.receive(event); + }, false, true); + if (actions.supportsIntegratedFind()) { + var findEventManager = new FindEventManager(domWindow); + findEventManager.bind(); + } + listener.onStopRequest(aRequest, aContext, statusCode); + + if (domWindow.frameElement) { + var isObjectEmbed = domWindow.frameElement.tagName !== 'IFRAME' || + domWindow.frameElement.className === 'previewPluginContentFrame'; + PdfJsTelemetry.onEmbed(isObjectEmbed); + } + } + }; + + // Keep the URL the same so the browser sees it as the same. + channel.originalURI = aRequest.URI; + channel.loadGroup = aRequest.loadGroup; + channel.loadInfo.originAttributes = aRequest.loadInfo.originAttributes; + + // We can use the resource principal when data is fetched by the chrome, + // e.g. useful for NoScript. Make make sure we reuse the origin attributes + // from the request channel to keep isolation consistent. + var ssm = Cc['@mozilla.org/scriptsecuritymanager;1'] + .getService(Ci.nsIScriptSecurityManager); + var uri = NetUtil.newURI(PDF_VIEWER_WEB_PAGE, null, null); + var resourcePrincipal; + resourcePrincipal = + ssm.createCodebasePrincipal(uri, aRequest.loadInfo.originAttributes); + aRequest.owner = resourcePrincipal; + asyncOpenChannel(channel, proxy, aContext); + }, + + // nsIRequestObserver::onStopRequest + onStopRequest: function(aRequest, aContext, aStatusCode) { + if (!this.dataListener) { + // Do nothing + return; + } + + if (Components.isSuccessCode(aStatusCode)) { + this.dataListener.finish(); + } else { + this.dataListener.error(aStatusCode); + } + delete this.dataListener; + delete this.binaryStream; + } +}; + diff --git a/browser/extensions/pdfjs/content/PdfjsChromeUtils.jsm b/browser/extensions/pdfjs/content/PdfjsChromeUtils.jsm new file mode 100644 index 000000000..7a082b6af --- /dev/null +++ b/browser/extensions/pdfjs/content/PdfjsChromeUtils.jsm @@ -0,0 +1,357 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint esnext:true */ +/* globals Components, Services, XPCOMUtils */ + +'use strict'; + +var EXPORTED_SYMBOLS = ['PdfjsChromeUtils']; + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cr = Components.results; +const Cu = Components.utils; + +const PREF_PREFIX = 'pdfjs'; +const PDF_CONTENT_TYPE = 'application/pdf'; + +Cu.import('resource://gre/modules/XPCOMUtils.jsm'); +Cu.import('resource://gre/modules/Services.jsm'); + +var Svc = {}; +XPCOMUtils.defineLazyServiceGetter(Svc, 'mime', + '@mozilla.org/mime;1', + 'nsIMIMEService'); + +var DEFAULT_PREFERENCES = +{ + "showPreviousViewOnLoad": true, + "defaultZoomValue": "", + "sidebarViewOnLoad": 0, + "enableHandToolOnLoad": false, + "enableWebGL": false, + "pdfBugEnabled": false, + "disableRange": false, + "disableStream": false, + "disableAutoFetch": false, + "disableFontFace": false, + "disableTextLayer": false, + "useOnlyCssZoom": false, + "externalLinkTarget": 0, + "enhanceTextSelection": false, + "renderInteractiveForms": false, + "disablePageLabels": false +} + + +var PdfjsChromeUtils = { + // For security purposes when running remote, we restrict preferences + // content can access. + _allowedPrefNames: Object.keys(DEFAULT_PREFERENCES), + _ppmm: null, + _mmg: null, + + /* + * Public API + */ + + init: function () { + this._browsers = new WeakSet(); + if (!this._ppmm) { + // global parent process message manager (PPMM) + this._ppmm = Cc['@mozilla.org/parentprocessmessagemanager;1']. + getService(Ci.nsIMessageBroadcaster); + this._ppmm.addMessageListener('PDFJS:Parent:clearUserPref', this); + this._ppmm.addMessageListener('PDFJS:Parent:setIntPref', this); + this._ppmm.addMessageListener('PDFJS:Parent:setBoolPref', this); + this._ppmm.addMessageListener('PDFJS:Parent:setCharPref', this); + this._ppmm.addMessageListener('PDFJS:Parent:setStringPref', this); + this._ppmm.addMessageListener('PDFJS:Parent:isDefaultHandlerApp', this); + + // global dom message manager (MMg) + this._mmg = Cc['@mozilla.org/globalmessagemanager;1']. + getService(Ci.nsIMessageListenerManager); + this._mmg.addMessageListener('PDFJS:Parent:displayWarning', this); + + this._mmg.addMessageListener('PDFJS:Parent:addEventListener', this); + this._mmg.addMessageListener('PDFJS:Parent:removeEventListener', this); + this._mmg.addMessageListener('PDFJS:Parent:updateControlState', this); + + // observer to handle shutdown + Services.obs.addObserver(this, 'quit-application', false); + } + }, + + uninit: function () { + if (this._ppmm) { + this._ppmm.removeMessageListener('PDFJS:Parent:clearUserPref', this); + this._ppmm.removeMessageListener('PDFJS:Parent:setIntPref', this); + this._ppmm.removeMessageListener('PDFJS:Parent:setBoolPref', this); + this._ppmm.removeMessageListener('PDFJS:Parent:setCharPref', this); + this._ppmm.removeMessageListener('PDFJS:Parent:setStringPref', this); + this._ppmm.removeMessageListener('PDFJS:Parent:isDefaultHandlerApp', + this); + + this._mmg.removeMessageListener('PDFJS:Parent:displayWarning', this); + + this._mmg.removeMessageListener('PDFJS:Parent:addEventListener', this); + this._mmg.removeMessageListener('PDFJS:Parent:removeEventListener', this); + this._mmg.removeMessageListener('PDFJS:Parent:updateControlState', this); + + Services.obs.removeObserver(this, 'quit-application', false); + + this._mmg = null; + this._ppmm = null; + } + }, + + /* + * Called by the main module when preference changes are picked up + * in the parent process. Observers don't propagate so we need to + * instruct the child to refresh its configuration and (possibly) + * the module's registration. + */ + notifyChildOfSettingsChange: function () { + if (Services.appinfo.processType === + Services.appinfo.PROCESS_TYPE_DEFAULT && this._ppmm) { + // XXX kinda bad, we want to get the parent process mm associated + // with the content process. _ppmm is currently the global process + // manager, which means this is going to fire to every child process + // we have open. Unfortunately I can't find a way to get at that + // process specific mm from js. + this._ppmm.broadcastAsyncMessage('PDFJS:Child:refreshSettings', {}); + } + }, + + /* + * Events + */ + + observe: function(aSubject, aTopic, aData) { + if (aTopic === 'quit-application') { + this.uninit(); + } + }, + + receiveMessage: function (aMsg) { + switch (aMsg.name) { + case 'PDFJS:Parent:clearUserPref': + this._clearUserPref(aMsg.data.name); + break; + case 'PDFJS:Parent:setIntPref': + this._setIntPref(aMsg.data.name, aMsg.data.value); + break; + case 'PDFJS:Parent:setBoolPref': + this._setBoolPref(aMsg.data.name, aMsg.data.value); + break; + case 'PDFJS:Parent:setCharPref': + this._setCharPref(aMsg.data.name, aMsg.data.value); + break; + case 'PDFJS:Parent:setStringPref': + this._setStringPref(aMsg.data.name, aMsg.data.value); + break; + case 'PDFJS:Parent:isDefaultHandlerApp': + return this.isDefaultHandlerApp(); + case 'PDFJS:Parent:displayWarning': + this._displayWarning(aMsg); + break; + + + case 'PDFJS:Parent:updateControlState': + return this._updateControlState(aMsg); + case 'PDFJS:Parent:addEventListener': + return this._addEventListener(aMsg); + case 'PDFJS:Parent:removeEventListener': + return this._removeEventListener(aMsg); + } + }, + + /* + * Internal + */ + + _findbarFromMessage: function(aMsg) { + let browser = aMsg.target; + let tabbrowser = browser.getTabBrowser(); + let tab = tabbrowser.getTabForBrowser(browser); + return tabbrowser.getFindBar(tab); + }, + + _updateControlState: function (aMsg) { + let data = aMsg.data; + this._findbarFromMessage(aMsg) + .updateControlState(data.result, data.findPrevious); + }, + + handleEvent: function(aEvent) { + // To avoid forwarding the message as a CPOW, create a structured cloneable + // version of the event for both performance, and ease of usage, reasons. + let type = aEvent.type; + let detail = { + query: aEvent.detail.query, + caseSensitive: aEvent.detail.caseSensitive, + highlightAll: aEvent.detail.highlightAll, + findPrevious: aEvent.detail.findPrevious + }; + + let browser = aEvent.currentTarget.browser; + if (!this._browsers.has(browser)) { + throw new Error('FindEventManager was not bound ' + + 'for the current browser.'); + } + // Only forward the events if the current browser is a registered browser. + let mm = browser.messageManager; + mm.sendAsyncMessage('PDFJS:Child:handleEvent', + { type: type, detail: detail }); + aEvent.preventDefault(); + }, + + _types: ['find', + 'findagain', + 'findhighlightallchange', + 'findcasesensitivitychange'], + + _addEventListener: function (aMsg) { + let browser = aMsg.target; + if (this._browsers.has(browser)) { + throw new Error('FindEventManager was bound 2nd time ' + + 'without unbinding it first.'); + } + + // Since this jsm is global, we need to store all the browsers + // we have to forward the messages for. + this._browsers.add(browser); + + // And we need to start listening to find events. + for (var i = 0; i < this._types.length; i++) { + var type = this._types[i]; + this._findbarFromMessage(aMsg) + .addEventListener(type, this, true); + } + }, + + _removeEventListener: function (aMsg) { + let browser = aMsg.target; + if (!this._browsers.has(browser)) { + throw new Error('FindEventManager was unbound without binding it first.'); + } + + this._browsers.delete(browser); + + // No reason to listen to find events any longer. + for (var i = 0; i < this._types.length; i++) { + var type = this._types[i]; + this._findbarFromMessage(aMsg) + .removeEventListener(type, this, true); + } + }, + + _ensurePreferenceAllowed: function (aPrefName) { + let unPrefixedName = aPrefName.split(PREF_PREFIX + '.'); + if (unPrefixedName[0] !== '' || + this._allowedPrefNames.indexOf(unPrefixedName[1]) === -1) { + let msg = '"' + aPrefName + '" ' + + 'can\'t be accessed from content. See PdfjsChromeUtils.'; + throw new Error(msg); + } + }, + + _clearUserPref: function (aPrefName) { + this._ensurePreferenceAllowed(aPrefName); + Services.prefs.clearUserPref(aPrefName); + }, + + _setIntPref: function (aPrefName, aPrefValue) { + this._ensurePreferenceAllowed(aPrefName); + Services.prefs.setIntPref(aPrefName, aPrefValue); + }, + + _setBoolPref: function (aPrefName, aPrefValue) { + this._ensurePreferenceAllowed(aPrefName); + Services.prefs.setBoolPref(aPrefName, aPrefValue); + }, + + _setCharPref: function (aPrefName, aPrefValue) { + this._ensurePreferenceAllowed(aPrefName); + Services.prefs.setCharPref(aPrefName, aPrefValue); + }, + + _setStringPref: function (aPrefName, aPrefValue) { + this._ensurePreferenceAllowed(aPrefName); + let str = Cc['@mozilla.org/supports-string;1'] + .createInstance(Ci.nsISupportsString); + str.data = aPrefValue; + Services.prefs.setComplexValue(aPrefName, Ci.nsISupportsString, str); + }, + + /* + * Svc.mime doesn't have profile information in the child, so + * we bounce this pdfjs enabled configuration check over to the + * parent. + */ + isDefaultHandlerApp: function () { + var handlerInfo = Svc.mime.getFromTypeAndExtension(PDF_CONTENT_TYPE, 'pdf'); + return (!handlerInfo.alwaysAskBeforeHandling && + handlerInfo.preferredAction === Ci.nsIHandlerInfo.handleInternally); + }, + + /* + * Display a notification warning when the renderer isn't sure + * a pdf displayed correctly. + */ + _displayWarning: function (aMsg) { + let data = aMsg.data; + let browser = aMsg.target; + + let tabbrowser = browser.getTabBrowser(); + let notificationBox = tabbrowser.getNotificationBox(browser); + + // Flag so we don't send the message twice, since if the user clicks + // "open with different viewer" both the button callback and + // eventCallback will be called. + let messageSent = false; + function sendMessage(download) { + let mm = browser.messageManager; + mm.sendAsyncMessage('PDFJS:Child:fallbackDownload', + { download: download }); + } + let buttons = [{ + label: data.label, + accessKey: data.accessKey, + callback: function() { + messageSent = true; + sendMessage(true); + } + }]; + notificationBox.appendNotification(data.message, 'pdfjs-fallback', null, + notificationBox.PRIORITY_INFO_LOW, + buttons, + function eventsCallback(eventType) { + // Currently there is only one event "removed" but if there are any other + // added in the future we still only care about removed at the moment. + if (eventType !== 'removed') { + return; + } + // Don't send a response again if we already responded when the button was + // clicked. + if (messageSent) { + return; + } + sendMessage(false); + }); + } +}; + + diff --git a/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm b/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm new file mode 100644 index 000000000..3dec5f389 --- /dev/null +++ b/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm @@ -0,0 +1,150 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint esnext:true */ +/* globals Components, Services, XPCOMUtils */ + +'use strict'; + +var EXPORTED_SYMBOLS = ['PdfjsContentUtils']; + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cr = Components.results; +const Cu = Components.utils; + +Cu.import('resource://gre/modules/XPCOMUtils.jsm'); +Cu.import('resource://gre/modules/Services.jsm'); + +var PdfjsContentUtils = { + _mm: null, + + /* + * Public API + */ + + get isRemote() { + return (Services.appinfo.processType === + Services.appinfo.PROCESS_TYPE_CONTENT); + }, + + init: function () { + // child *process* mm, or when loaded into the parent for in-content + // support the psuedo child process mm 'child PPMM'. + if (!this._mm) { + this._mm = Cc['@mozilla.org/childprocessmessagemanager;1']. + getService(Ci.nsISyncMessageSender); + this._mm.addMessageListener('PDFJS:Child:refreshSettings', this); + Services.obs.addObserver(this, 'quit-application', false); + } + }, + + uninit: function () { + if (this._mm) { + this._mm.removeMessageListener('PDFJS:Child:refreshSettings', this); + Services.obs.removeObserver(this, 'quit-application'); + } + this._mm = null; + }, + + /* + * prefs utilities - the child does not have write access to prefs. + * note, the pref names here are cross-checked against a list of + * approved pdfjs prefs in chrome utils. + */ + + clearUserPref: function (aPrefName) { + this._mm.sendSyncMessage('PDFJS:Parent:clearUserPref', { + name: aPrefName + }); + }, + + setIntPref: function (aPrefName, aPrefValue) { + this._mm.sendSyncMessage('PDFJS:Parent:setIntPref', { + name: aPrefName, + value: aPrefValue + }); + }, + + setBoolPref: function (aPrefName, aPrefValue) { + this._mm.sendSyncMessage('PDFJS:Parent:setBoolPref', { + name: aPrefName, + value: aPrefValue + }); + }, + + setCharPref: function (aPrefName, aPrefValue) { + this._mm.sendSyncMessage('PDFJS:Parent:setCharPref', { + name: aPrefName, + value: aPrefValue + }); + }, + + setStringPref: function (aPrefName, aPrefValue) { + this._mm.sendSyncMessage('PDFJS:Parent:setStringPref', { + name: aPrefName, + value: aPrefValue + }); + }, + + /* + * Forwards default app query to the parent where we check various + * handler app settings only available in the parent process. + */ + isDefaultHandlerApp: function () { + return this._mm.sendSyncMessage('PDFJS:Parent:isDefaultHandlerApp')[0]; + }, + + /* + * Request the display of a notification warning in the associated window + * when the renderer isn't sure a pdf displayed correctly. + */ + displayWarning: function (aWindow, aMessage, aLabel, accessKey) { + // the child's dom frame mm associated with the window. + let winmm = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDocShell) + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIContentFrameMessageManager); + winmm.sendAsyncMessage('PDFJS:Parent:displayWarning', { + message: aMessage, + label: aLabel, + accessKey: accessKey + }); + }, + + /* + * Events + */ + + observe: function(aSubject, aTopic, aData) { + if (aTopic === 'quit-application') { + this.uninit(); + } + }, + + receiveMessage: function (aMsg) { + switch (aMsg.name) { + case 'PDFJS:Child:refreshSettings': + // Only react to this if we are remote. + if (Services.appinfo.processType === + Services.appinfo.PROCESS_TYPE_CONTENT) { + let jsm = 'resource://pdf.js/PdfJs.jsm'; + let pdfjs = Components.utils.import(jsm, {}).PdfJs; + pdfjs.updateRegistration(); + } + break; + } + } +}; + diff --git a/browser/extensions/pdfjs/content/build/pdf.js b/browser/extensions/pdfjs/content/build/pdf.js new file mode 100644 index 000000000..98a3bd392 --- /dev/null +++ b/browser/extensions/pdfjs/content/build/pdf.js @@ -0,0 +1,8387 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +(function (root, factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { + define('pdfjs-dist/build/pdf', ['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { + factory(root['pdfjsDistBuildPdf'] = {}); + } +}(this, function (exports) { + // Use strict in our context only - users might not want it + 'use strict'; + var pdfjsVersion = '1.6.315'; + var pdfjsBuild = 'a139c75'; + var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null; + var pdfjsLibs = {}; + (function pdfjsWrapper() { + (function (root, factory) { + factory(root.pdfjsSharedUtil = {}); + }(this, function (exports) { + var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this; + var FONT_IDENTITY_MATRIX = [ + 0.001, + 0, + 0, + 0.001, + 0, + 0 + ]; + var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 + }; + var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 + }; + var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 + }; + var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 + }; + var AnnotationFieldFlag = { + READONLY: 0x0000001, + REQUIRED: 0x0000002, + NOEXPORT: 0x0000004, + MULTILINE: 0x0001000, + PASSWORD: 0x0002000, + NOTOGGLETOOFF: 0x0004000, + RADIO: 0x0008000, + PUSHBUTTON: 0x0010000, + COMBO: 0x0020000, + EDIT: 0x0040000, + SORT: 0x0080000, + FILESELECT: 0x0100000, + MULTISELECT: 0x0200000, + DONOTSPELLCHECK: 0x0400000, + DONOTSCROLL: 0x0800000, + COMB: 0x1000000, + RICHTEXT: 0x2000000, + RADIOSINUNISON: 0x2000000, + COMMITONSELCHANGE: 0x4000000 + }; + var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 + }; + var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 + }; + var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 + }; + var VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 + }; + // All the possible operations for an operator list. + var OPS = { + // Intentionally start from 1 so it is easy to spot bad operators that will be + // 0's. + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 + }; + var verbosity = VERBOSITY_LEVELS.warnings; + function setVerbosityLevel(level) { + verbosity = level; + } + function getVerbosityLevel() { + return verbosity; + } + // A notice for devs. These are good for things that are helpful to devs, such + // as warning that Workers were disabled, which is important to devs but not + // end users. + function info(msg) { + if (verbosity >= VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } + } + // Non-fatal warnings. + function warn(msg) { + if (verbosity >= VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } + } + // Deprecated API function -- display regardless of the PDFJS.verbosity setting. + function deprecated(details) { + console.log('Deprecated API usage: ' + details); + } + // Fatal errors that should trigger the fallback UI and halt execution by + // throwing an exception. + function error(msg) { + if (verbosity >= VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); + } + function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } + } + function assert(cond, msg) { + if (!cond) { + error(msg); + } + } + var UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' + }; + // Checks if URLs have the same origin. For non-HTTP based URLs, returns false. + function isSameOrigin(baseUrl, otherUrl) { + try { + var base = new URL(baseUrl); + if (!base.origin || base.origin === 'null') { + return false; + } + } // non-HTTP url + catch (e) { + return false; + } + var other = new URL(otherUrl, base); + return base.origin === other.origin; + } + // Checks if URLs use one of the whitelisted protocols, e.g. to avoid XSS. + function isValidProtocol(url) { + if (!url) { + return false; + } + switch (url.protocol) { + case 'http:': + case 'https:': + case 'ftp:': + case 'mailto:': + case 'tel:': + return true; + default: + return false; + } + } + /** + * Attempts to create a valid absolute URL (utilizing `isValidProtocol`). + * @param {URL|string} url - An absolute, or relative, URL. + * @param {URL|string} baseUrl - An absolute URL. + * @returns Either a valid {URL}, or `null` otherwise. + */ + function createValidAbsoluteUrl(url, baseUrl) { + if (!url) { + return null; + } + try { + var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url); + if (isValidProtocol(absoluteUrl)) { + return absoluteUrl; + } + } catch (ex) { + } + return null; + } + function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { + value: value, + enumerable: true, + configurable: true, + writable: false + }); + return value; + } + function getLookupTableFactory(initializer) { + var lookup; + return function () { + if (initializer) { + lookup = Object.create(null); + initializer(lookup); + initializer = null; + } + return lookup; + }; + } + var PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 + }; + var PasswordException = function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + return PasswordException; + }(); + var UnknownErrorException = function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + return UnknownErrorException; + }(); + var InvalidPDFException = function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + return InvalidPDFException; + }(); + var MissingPDFException = function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + return MissingPDFException; + }(); + var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + return UnexpectedResponseException; + }(); + var NotImplementedException = function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + return NotImplementedException; + }(); + var MissingDataException = function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + return MissingDataException; + }(); + var XRefParseException = function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + return XRefParseException; + }(); + var NullCharactersRegExp = /\x00/g; + function removeNullCharacters(str) { + if (typeof str !== 'string') { + warn('The argument for removeNullCharacters must be a string.'); + return str; + } + return str.replace(NullCharactersRegExp, ''); + } + function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); + } + function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; + } + /** + * Gets length of the array (Array, Uint8Array, or string) in bytes. + * @param {Array|Uint8Array|string} arr + * @returns {number} + */ + function arrayByteLength(arr) { + if (arr.length !== undefined) { + return arr.length; + } + assert(arr.byteLength !== undefined); + return arr.byteLength; + } + /** + * Combines array items (arrays) into single Uint8Array object. + * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string). + * @returns {Uint8Array} + */ + function arraysToBytes(arr) { + // Shortcut: if first and only item is Uint8Array, return it. + if (arr.length === 1 && arr[0] instanceof Uint8Array) { + return arr[0]; + } + var resultLength = 0; + var i, ii = arr.length; + var item, itemLength; + for (i = 0; i < ii; i++) { + item = arr[i]; + itemLength = arrayByteLength(item); + resultLength += itemLength; + } + var pos = 0; + var data = new Uint8Array(resultLength); + for (i = 0; i < ii; i++) { + item = arr[i]; + if (!(item instanceof Uint8Array)) { + if (typeof item === 'string') { + item = stringToBytes(item); + } else { + item = new Uint8Array(item); + } + } + itemLength = item.byteLength; + data.set(item, pos); + pos += itemLength; + } + return data; + } + function string32(value) { + return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff); + } + function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; + } + function readInt8(data, start) { + return data[start] << 24 >> 24; + } + function readUint16(data, offset) { + return data[offset] << 8 | data[offset + 1]; + } + function readUint32(data, offset) { + return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0; + } + // Lazy test the endianness of the platform + // NOTE: This will be 'true' for simulated TypedArrays + function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return buffer16[0] === 1; + } + // Checks if it's possible to eval JS expressions. + function isEvalSupported() { + try { + new Function(''); + return true; + } catch (e) { + return false; + } + } + var IDENTITY_MATRIX = [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + var Util = function UtilClosure() { + function Util() { + } + var rgbBuf = [ + 'rgb(', + 0, + ',', + 0, + ',', + 0, + ')' + ]; + // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids + // creating many intermediate strings. + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + // Concatenates two transformation matrices together and returns the result. + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + // For 2d affine transforms + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [ + xt, + yt + ]; + }; + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [ + xt, + yt + ]; + }; + // Applies the transform to the rectangle and finds the minimum axially + // aligned bounding box. + Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) { + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([ + r[0], + r[3] + ], m); + var p4 = Util.applyTransform([ + r[2], + r[1] + ], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [ + m[3] / d, + -m[1] / d, + -m[2] / d, + m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, + (m[4] * m[1] - m[5] * m[0]) / d + ]; + }; + // Apply a generic 3d matrix M on a 3-vector v: + // | a b c | | X | + // | d e f | x | Y | + // | g h i | | Z | + // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], + // with v as [X,Y,Z] + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + // This calculation uses Singular Value Decomposition. + // The SVD can be represented with formula A = USV. We are interested in the + // matrix S here because it represents the scale values. + Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) { + var transpose = [ + m[0], + m[2], + m[1], + m[3] + ]; + // Multiply matrix m with its transpose. + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + // Solve the second degree polynomial to get roots. + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + // Scale values are the square roots of the eigenvalues. + return [ + Math.sqrt(sx), + Math.sqrt(sy) + ]; + }; + // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) + // For coordinate systems whose origin lies in the bottom-left, this + // means normalization to (BL,TR) ordering. For systems with origin in the + // top-left, this means (TL,BR) ordering. + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); + // clone rect + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + // Returns a rectangle [x1, y1, x2, y2] corresponding to the + // intersection of rect1 and rect2. If no intersection, returns 'false' + // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + // Order points along the axes + var orderedX = [ + rect1[0], + rect1[2], + rect2[0], + rect2[2] + ].sort(compare), orderedY = [ + rect1[1], + rect1[3], + rect2[1], + rect2[3] + ].sort(compare), result = []; + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + // X: first and second points belong to different rectangles? + if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) { + // Intersection must be between second and third points + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + // Y: first and second points belong to different rectangles? + if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) { + // Intersection must be between second and third points + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + return result; + }; + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + var ROMAN_NUMBER_MAP = [ + '', + 'C', + 'CC', + 'CCC', + 'CD', + 'D', + 'DC', + 'DCC', + 'DCCC', + 'CM', + '', + 'X', + 'XX', + 'XXX', + 'XL', + 'L', + 'LX', + 'LXX', + 'LXXX', + 'XC', + '', + 'I', + 'II', + 'III', + 'IV', + 'V', + 'VI', + 'VII', + 'VIII', + 'IX' + ]; + /** + * Converts positive integers to (upper case) Roman numerals. + * @param {integer} number - The number that should be converted. + * @param {boolean} lowerCase - Indicates if the result should be converted + * to lower case letters. The default is false. + * @return {string} The resulting Roman number. + */ + Util.toRoman = function Util_toRoman(number, lowerCase) { + assert(isInt(number) && number > 0, 'The number should be a positive integer.'); + var pos, romanBuf = []; + // Thousands + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + // Hundreds + pos = number / 100 | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + // Tens + pos = number / 10 | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + // Ones + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + var romanStr = romanBuf.join(''); + return lowerCase ? romanStr.toLowerCase() : romanStr; + }; + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return getArray ? dict.getArray(name) : dict.get(name); + }; + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function () { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + return Util; + }(); + /** + * PDF page viewport created based on scale, rotation and offset. + * @class + * @alias PageViewport + */ + var PageViewport = function PageViewportClosure() { + /** + * @constructor + * @private + * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. + * @param scale {number} scale of the viewport. + * @param rotation {number} rotations of the viewport in degrees. + * @param offsetX {number} offset X + * @param offsetY {number} offset Y + * @param dontFlip {boolean} if true, axis Y will not be flipped. + */ + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + // creating transform to convert pdf coordinate system to the normal + // canvas like coordinates taking in account scale and rotation + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; + rotateB = 0; + rotateC = 0; + rotateD = 1; + break; + case 90: + rotateA = 0; + rotateB = 1; + rotateC = 1; + rotateD = 0; + break; + case 270: + rotateA = 0; + rotateB = -1; + rotateC = -1; + rotateD = 0; + break; + //case 0: + default: + rotateA = 1; + rotateB = 0; + rotateC = 0; + rotateD = -1; + break; + } + if (dontFlip) { + rotateC = -rotateC; + rotateD = -rotateD; + } + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + // creating transform for the following operations: + // translate(-centerX, -centerY), rotate and flip vertically, + // scale, and translate(offsetCanvasX, offsetCanvasY) + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = /** @lends PageViewport.prototype */ + { + /** + * Clones viewport with additional properties. + * @param args {Object} (optional) If specified, may contain the 'scale' or + * 'rotation' properties to override the corresponding properties in + * the cloned viewport. + * @returns {PageViewport} Cloned viewport. + */ + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip); + }, + /** + * Converts PDF point to the viewport coordinates. For examples, useful for + * converting PDF location into canvas pixel coordinates. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the viewport coordinate space. + * @see {@link convertToPdfPoint} + * @see {@link convertToViewportRectangle} + */ + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([ + x, + y + ], this.transform); + }, + /** + * Converts PDF rectangle to the viewport coordinates. + * @param rect {Array} xMin, yMin, xMax and yMax coordinates. + * @returns {Array} Contains corresponding coordinates of the rectangle + * in the viewport coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([ + rect[0], + rect[1] + ], this.transform); + var br = Util.applyTransform([ + rect[2], + rect[3] + ], this.transform); + return [ + tl[0], + tl[1], + br[0], + br[1] + ]; + }, + /** + * Converts viewport coordinates to the PDF location. For examples, useful + * for converting canvas pixel location into PDF one. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the PDF coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([ + x, + y + ], this.transform); + } + }; + return PageViewport; + }(); + var PDFStringTranslateTable = [ + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0x2D8, + 0x2C7, + 0x2C6, + 0x2D9, + 0x2DD, + 0x2DB, + 0x2DA, + 0x2DC, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0x2022, + 0x2020, + 0x2021, + 0x2026, + 0x2014, + 0x2013, + 0x192, + 0x2044, + 0x2039, + 0x203A, + 0x2212, + 0x2030, + 0x201E, + 0x201C, + 0x201D, + 0x2018, + 0x2019, + 0x201A, + 0x2122, + 0xFB01, + 0xFB02, + 0x141, + 0x152, + 0x160, + 0x178, + 0x17D, + 0x131, + 0x142, + 0x153, + 0x161, + 0x17E, + 0, + 0x20AC + ]; + function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + // UTF16BE BOM + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); + } + function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); + } + function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); + } + function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; + } + function isBool(v) { + return typeof v === 'boolean'; + } + function isInt(v) { + return typeof v === 'number' && (v | 0) === v; + } + function isNum(v) { + return typeof v === 'number'; + } + function isString(v) { + return typeof v === 'string'; + } + function isArray(v) { + return v instanceof Array; + } + function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; + } + // Checks if ch is one of the following characters: SPACE, TAB, CR or LF. + function isSpace(ch) { + return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A; + } + /** + * Promise Capability object. + * + * @typedef {Object} PromiseCapability + * @property {Promise} promise - A promise object. + * @property {function} resolve - Fulfills the promise. + * @property {function} reject - Rejects the promise. + */ + /** + * Creates a promise capability object. + * @alias createPromiseCapability + * + * @return {PromiseCapability} A capability object contains: + * - a Promise, resolve and reject methods. + */ + function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; + } + /** + * Polyfill for Promises: + * The following promise implementation tries to generally implement the + * Promise/A+ spec. Some notable differences from other promise libraries are: + * - There currently isn't a separate deferred and promise object. + * - Unhandled rejections eventually show an error if they aren't handled. + * + * Based off of the work in: + * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 + */ + (function PromiseClosure() { + if (globalScope.Promise) { + // Promises existing in the DOM/Worker, checking presence of all/resolve + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { + resolve(value); + }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + throw new Error('DOM Promise is not present'); + }()); + var StatTimer = function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = Object.create(null); + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + // Remove timer from started so it can be called again. + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + // Find the longest name for padding purposes. + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; + }(); + var createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + warn('The "Blob" constructor is not supported.'); + }; + var createObjectURL = function createObjectURLClosure() { + // Blob/createObjectURL is not available, falling back to data schema. + var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + return function createObjectURL(data, contentType, forceDataSchema) { + if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = createBlob(data, contentType); + return URL.createObjectURL(blob); + } + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4; + var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64; + var d4 = i + 2 < ii ? b3 & 0x3F : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; + }(); + function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = Object.create(null); + var ah = this.actionHandler = Object.create(null); + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); + } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); + } + MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [ + handler, + scope + ]; + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers + */ + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * Expects that other side will callback with the response. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. + * @returns {Promise} Promise to be resolved with response data. + */ + sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + /** + * Sends raw message to the comObj. + * @private + * @param message {Object} Raw message. + * @param transfers List of transfers/ArrayBuffers, or undefined. + */ + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } + }; + function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }; + img.onerror = function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }; + img.src = imageUrl; + } + exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; + exports.IDENTITY_MATRIX = IDENTITY_MATRIX; + exports.OPS = OPS; + exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS; + exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; + exports.AnnotationBorderStyleType = AnnotationBorderStyleType; + exports.AnnotationFieldFlag = AnnotationFieldFlag; + exports.AnnotationFlag = AnnotationFlag; + exports.AnnotationType = AnnotationType; + exports.FontType = FontType; + exports.ImageKind = ImageKind; + exports.InvalidPDFException = InvalidPDFException; + exports.MessageHandler = MessageHandler; + exports.MissingDataException = MissingDataException; + exports.MissingPDFException = MissingPDFException; + exports.NotImplementedException = NotImplementedException; + exports.PageViewport = PageViewport; + exports.PasswordException = PasswordException; + exports.PasswordResponses = PasswordResponses; + exports.StatTimer = StatTimer; + exports.StreamType = StreamType; + exports.TextRenderingMode = TextRenderingMode; + exports.UnexpectedResponseException = UnexpectedResponseException; + exports.UnknownErrorException = UnknownErrorException; + exports.Util = Util; + exports.XRefParseException = XRefParseException; + exports.arrayByteLength = arrayByteLength; + exports.arraysToBytes = arraysToBytes; + exports.assert = assert; + exports.bytesToString = bytesToString; + exports.createBlob = createBlob; + exports.createPromiseCapability = createPromiseCapability; + exports.createObjectURL = createObjectURL; + exports.deprecated = deprecated; + exports.error = error; + exports.getLookupTableFactory = getLookupTableFactory; + exports.getVerbosityLevel = getVerbosityLevel; + exports.globalScope = globalScope; + exports.info = info; + exports.isArray = isArray; + exports.isArrayBuffer = isArrayBuffer; + exports.isBool = isBool; + exports.isEmptyObj = isEmptyObj; + exports.isInt = isInt; + exports.isNum = isNum; + exports.isString = isString; + exports.isSpace = isSpace; + exports.isSameOrigin = isSameOrigin; + exports.createValidAbsoluteUrl = createValidAbsoluteUrl; + exports.isLittleEndian = isLittleEndian; + exports.isEvalSupported = isEvalSupported; + exports.loadJpegStream = loadJpegStream; + exports.log2 = log2; + exports.readInt8 = readInt8; + exports.readUint16 = readUint16; + exports.readUint32 = readUint32; + exports.removeNullCharacters = removeNullCharacters; + exports.setVerbosityLevel = setVerbosityLevel; + exports.shadow = shadow; + exports.string32 = string32; + exports.stringToBytes = stringToBytes; + exports.stringToPDFString = stringToPDFString; + exports.stringToUTF8String = stringToUTF8String; + exports.utf8StringToString = utf8StringToString; + exports.warn = warn; + })); + (function (root, factory) { + factory(root.pdfjsDisplayDOMUtils = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var removeNullCharacters = sharedUtil.removeNullCharacters; + var warn = sharedUtil.warn; + var deprecated = sharedUtil.deprecated; + var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl; + /** + * Optimised CSS custom property getter/setter. + * @class + */ + var CustomStyle = function CustomStyleClosure() { + // As noted on: http://www.zachstronaut.com/posts/2009/02/17/ + // animate-css-transforms-firefox-webkit.html + // in some versions of IE9 it is critical that ms appear in this list + // before Moz + var prefixes = [ + 'ms', + 'Moz', + 'Webkit', + 'O' + ]; + var _cache = Object.create(null); + function CustomStyle() { + } + CustomStyle.getProp = function get(propName, element) { + // check cache only when no element is given + if (arguments.length === 1 && typeof _cache[propName] === 'string') { + return _cache[propName]; + } + element = element || document.documentElement; + var style = element.style, prefixed, uPropName; + // test standard property first + if (typeof style[propName] === 'string') { + return _cache[propName] = propName; + } + // capitalize + uPropName = propName.charAt(0).toUpperCase() + propName.slice(1); + // test vendor specific properties + for (var i = 0, l = prefixes.length; i < l; i++) { + prefixed = prefixes[i] + uPropName; + if (typeof style[prefixed] === 'string') { + return _cache[propName] = prefixed; + } + } + //if all fails then set to undefined + return _cache[propName] = 'undefined'; + }; + CustomStyle.setProp = function set(propName, element, str) { + var prop = this.getProp(propName); + if (prop !== 'undefined') { + element.style[prop] = str; + } + }; + return CustomStyle; + }(); + var hasCanvasTypedArrays; + hasCanvasTypedArrays = function () { + return true; + }; + var LinkTarget = { + NONE: 0, + // Default value. + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 + }; + var LinkTargetStringMap = [ + '', + '_self', + '_blank', + '_parent', + '_top' + ]; + /** + * @typedef ExternalLinkParameters + * @typedef {Object} ExternalLinkParameters + * @property {string} url - An absolute URL. + * @property {LinkTarget} target - The link target. + * @property {string} rel - The link relationship. + */ + /** + * Adds various attributes (href, title, target, rel) to hyperlinks. + * @param {HTMLLinkElement} link - The link element. + * @param {ExternalLinkParameters} params + */ + function addLinkAttributes(link, params) { + var url = params && params.url; + link.href = link.title = url ? removeNullCharacters(url) : ''; + if (url) { + var target = params.target; + if (typeof target === 'undefined') { + target = getDefaultSetting('externalLinkTarget'); + } + link.target = LinkTargetStringMap[target]; + var rel = params.rel; + if (typeof rel === 'undefined') { + rel = getDefaultSetting('externalLinkRel'); + } + link.rel = rel; + } + } + // Gets the file name from a given URL. + function getFilenameFromUrl(url) { + var anchor = url.indexOf('#'); + var query = url.indexOf('?'); + var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length); + return url.substring(url.lastIndexOf('/', end) + 1, end); + } + function getDefaultSetting(id) { + // The list of the settings and their default is maintained for backward + // compatibility and shall not be extended or modified. See also global.js. + var globalSettings = sharedUtil.globalScope.PDFJS; + switch (id) { + case 'pdfBug': + return globalSettings ? globalSettings.pdfBug : false; + case 'disableAutoFetch': + return globalSettings ? globalSettings.disableAutoFetch : false; + case 'disableStream': + return globalSettings ? globalSettings.disableStream : false; + case 'disableRange': + return globalSettings ? globalSettings.disableRange : false; + case 'disableFontFace': + return globalSettings ? globalSettings.disableFontFace : false; + case 'disableCreateObjectURL': + return globalSettings ? globalSettings.disableCreateObjectURL : false; + case 'disableWebGL': + return globalSettings ? globalSettings.disableWebGL : true; + case 'cMapUrl': + return globalSettings ? globalSettings.cMapUrl : null; + case 'cMapPacked': + return globalSettings ? globalSettings.cMapPacked : false; + case 'postMessageTransfers': + return globalSettings ? globalSettings.postMessageTransfers : true; + case 'workerSrc': + return globalSettings ? globalSettings.workerSrc : null; + case 'disableWorker': + return globalSettings ? globalSettings.disableWorker : false; + case 'maxImageSize': + return globalSettings ? globalSettings.maxImageSize : -1; + case 'imageResourcesPath': + return globalSettings ? globalSettings.imageResourcesPath : ''; + case 'isEvalSupported': + return globalSettings ? globalSettings.isEvalSupported : true; + case 'externalLinkTarget': + if (!globalSettings) { + return LinkTarget.NONE; + } + switch (globalSettings.externalLinkTarget) { + case LinkTarget.NONE: + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return globalSettings.externalLinkTarget; + } + warn('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget); + // Reset the external link target, to suppress further warnings. + globalSettings.externalLinkTarget = LinkTarget.NONE; + return LinkTarget.NONE; + case 'externalLinkRel': + return globalSettings ? globalSettings.externalLinkRel : 'noreferrer'; + case 'enableStats': + return !!(globalSettings && globalSettings.enableStats); + default: + throw new Error('Unknown default setting: ' + id); + } + } + function isExternalLinkTargetSet() { + var externalLinkTarget = getDefaultSetting('externalLinkTarget'); + switch (externalLinkTarget) { + case LinkTarget.NONE: + return false; + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return true; + } + } + function isValidUrl(url, allowRelative) { + deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.'); + var baseUrl = allowRelative ? 'http://example.com' : null; + return createValidAbsoluteUrl(url, baseUrl) !== null; + } + exports.CustomStyle = CustomStyle; + exports.addLinkAttributes = addLinkAttributes; + exports.isExternalLinkTargetSet = isExternalLinkTargetSet; + exports.isValidUrl = isValidUrl; + exports.getFilenameFromUrl = getFilenameFromUrl; + exports.LinkTarget = LinkTarget; + exports.hasCanvasTypedArrays = hasCanvasTypedArrays; + exports.getDefaultSetting = getDefaultSetting; + })); + (function (root, factory) { + factory(root.pdfjsDisplayFontLoader = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var assert = sharedUtil.assert; + var bytesToString = sharedUtil.bytesToString; + var string32 = sharedUtil.string32; + var shadow = sharedUtil.shadow; + var warn = sharedUtil.warn; + function FontLoader(docId) { + this.docId = docId; + this.styleElement = null; + } + FontLoader.prototype = { + insertRule: function fontLoaderInsertRule(rule) { + var styleElement = this.styleElement; + if (!styleElement) { + styleElement = this.styleElement = document.createElement('style'); + styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId; + document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement); + } + var styleSheet = styleElement.sheet; + styleSheet.insertRule(rule, styleSheet.cssRules.length); + }, + clear: function fontLoaderClear() { + var styleElement = this.styleElement; + if (styleElement) { + styleElement.parentNode.removeChild(styleElement); + styleElement = this.styleElement = null; + } + } + }; + FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) { + for (var i = 0, ii = fonts.length; i < ii; i++) { + var font = fonts[i]; + if (font.attached) { + continue; + } + font.attached = true; + var rule = font.createFontFaceRule(); + if (rule) { + this.insertRule(rule); + } + } + setTimeout(callback); + }; + var IsEvalSupportedCached = { + get value() { + return shadow(this, 'value', sharedUtil.isEvalSupported()); + } + }; + var FontFaceObject = function FontFaceObjectClosure() { + function FontFaceObject(translatedData, options) { + this.compiledGlyphs = Object.create(null); + // importing translated data + for (var i in translatedData) { + this[i] = translatedData[i]; + } + this.options = options; + } + FontFaceObject.prototype = { + createNativeFontFace: function FontFaceObject_createNativeFontFace() { + throw new Error('Not implemented: createNativeFontFace'); + }, + createFontFaceRule: function FontFaceObject_createFontFaceRule() { + if (!this.data) { + return null; + } + if (this.options.disableFontFace) { + this.disableFontFace = true; + return null; + } + var data = bytesToString(new Uint8Array(this.data)); + var fontName = this.loadedName; + // Add the font-face rule to the document + var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');'; + var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; + if (this.options.fontRegistry) { + this.options.fontRegistry.registerFont(this, url); + } + return rule; + }, + getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) { + if (!(character in this.compiledGlyphs)) { + var cmds = objs.get(this.loadedName + '_path_' + character); + var current, i, len; + // If we can, compile cmds into JS for MAXIMUM SPEED + if (this.options.isEvalSupported && IsEvalSupportedCached.value) { + var args, js = ''; + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + if (current.args !== undefined) { + args = current.args.join(','); + } else { + args = ''; + } + js += 'c.' + current.cmd + '(' + args + ');\n'; + } + this.compiledGlyphs[character] = new Function('c', 'size', js); + } else { + // But fall back on using Function.prototype.apply() if we're + // blocked from using eval() for whatever reason (like CSP policies) + this.compiledGlyphs[character] = function (c, size) { + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + if (current.cmd === 'scale') { + current.args = [ + size, + -size + ]; + } + c[current.cmd].apply(c, current.args); + } + }; + } + } + return this.compiledGlyphs[character]; + } + }; + return FontFaceObject; + }(); + exports.FontFaceObject = FontFaceObject; + exports.FontLoader = FontLoader; + })); + (function (root, factory) { + factory(root.pdfjsDisplayMetadata = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var error = sharedUtil.error; + function fixMetadata(meta) { + return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) { + var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) { + return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); + }); + var chars = ''; + for (var i = 0; i < bytes.length; i += 2) { + var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); + chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 && false ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; + } + return '>' + chars; + }); + } + function Metadata(meta) { + if (typeof meta === 'string') { + // Ghostscript produces invalid metadata + meta = fixMetadata(meta); + var parser = new DOMParser(); + meta = parser.parseFromString(meta, 'application/xml'); + } else if (!(meta instanceof Document)) { + error('Metadata: Invalid metadata object'); + } + this.metaDocument = meta; + this.metadata = Object.create(null); + this.parse(); + } + Metadata.prototype = { + parse: function Metadata_parse() { + var doc = this.metaDocument; + var rdf = doc.documentElement; + if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + // Wrapped in <xmpmeta> + rdf = rdf.firstChild; + while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.nextSibling; + } + } + var nodeName = rdf ? rdf.nodeName.toLowerCase() : null; + if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { + return; + } + var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength; + for (i = 0, length = children.length; i < length; i++) { + desc = children[i]; + if (desc.nodeName.toLowerCase() !== 'rdf:description') { + continue; + } + for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) { + if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') { + entry = desc.childNodes[ii]; + name = entry.nodeName.toLowerCase(); + this.metadata[name] = entry.textContent.trim(); + } + } + } + }, + get: function Metadata_get(name) { + return this.metadata[name] || null; + }, + has: function Metadata_has(name) { + return typeof this.metadata[name] !== 'undefined'; + } + }; + exports.Metadata = Metadata; + })); + (function (root, factory) { + factory(root.pdfjsDisplaySVG = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + })); + (function (root, factory) { + factory(root.pdfjsDisplayAnnotationLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayDOMUtils) { + var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; + var AnnotationType = sharedUtil.AnnotationType; + var Util = sharedUtil.Util; + var addLinkAttributes = displayDOMUtils.addLinkAttributes; + var LinkTarget = displayDOMUtils.LinkTarget; + var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl; + var warn = sharedUtil.warn; + var CustomStyle = displayDOMUtils.CustomStyle; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + /** + * @typedef {Object} AnnotationElementParameters + * @property {Object} data + * @property {HTMLDivElement} layer + * @property {PDFPage} page + * @property {PageViewport} viewport + * @property {IPDFLinkService} linkService + * @property {DownloadManager} downloadManager + * @property {string} imageResourcesPath + * @property {boolean} renderInteractiveForms + */ + /** + * @class + * @alias AnnotationElementFactory + */ + function AnnotationElementFactory() { + } + AnnotationElementFactory.prototype = /** @lends AnnotationElementFactory.prototype */ + { + /** + * @param {AnnotationElementParameters} parameters + * @returns {AnnotationElement} + */ + create: function AnnotationElementFactory_create(parameters) { + var subtype = parameters.data.annotationType; + switch (subtype) { + case AnnotationType.LINK: + return new LinkAnnotationElement(parameters); + case AnnotationType.TEXT: + return new TextAnnotationElement(parameters); + case AnnotationType.WIDGET: + var fieldType = parameters.data.fieldType; + switch (fieldType) { + case 'Tx': + return new TextWidgetAnnotationElement(parameters); + case 'Ch': + return new ChoiceWidgetAnnotationElement(parameters); + } + return new WidgetAnnotationElement(parameters); + case AnnotationType.POPUP: + return new PopupAnnotationElement(parameters); + case AnnotationType.HIGHLIGHT: + return new HighlightAnnotationElement(parameters); + case AnnotationType.UNDERLINE: + return new UnderlineAnnotationElement(parameters); + case AnnotationType.SQUIGGLY: + return new SquigglyAnnotationElement(parameters); + case AnnotationType.STRIKEOUT: + return new StrikeOutAnnotationElement(parameters); + case AnnotationType.FILEATTACHMENT: + return new FileAttachmentAnnotationElement(parameters); + default: + return new AnnotationElement(parameters); + } + } + }; + /** + * @class + * @alias AnnotationElement + */ + var AnnotationElement = function AnnotationElementClosure() { + function AnnotationElement(parameters, isRenderable) { + this.isRenderable = isRenderable || false; + this.data = parameters.data; + this.layer = parameters.layer; + this.page = parameters.page; + this.viewport = parameters.viewport; + this.linkService = parameters.linkService; + this.downloadManager = parameters.downloadManager; + this.imageResourcesPath = parameters.imageResourcesPath; + this.renderInteractiveForms = parameters.renderInteractiveForms; + if (isRenderable) { + this.container = this._createContainer(); + } + } + AnnotationElement.prototype = /** @lends AnnotationElement.prototype */ + { + /** + * Create an empty container for the annotation's HTML element. + * + * @private + * @memberof AnnotationElement + * @returns {HTMLSectionElement} + */ + _createContainer: function AnnotationElement_createContainer() { + var data = this.data, page = this.page, viewport = this.viewport; + var container = document.createElement('section'); + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + container.setAttribute('data-annotation-id', data.id); + // Do *not* modify `data.rect`, since that will corrupt the annotation + // position on subsequent calls to `_createContainer` (see issue 6804). + var rect = Util.normalizeRect([ + data.rect[0], + page.view[3] - data.rect[1] + page.view[1], + data.rect[2], + page.view[3] - data.rect[3] + page.view[1] + ]); + CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')'); + CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px'); + if (data.borderStyle.width > 0) { + container.style.borderWidth = data.borderStyle.width + 'px'; + if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) { + // Underline styles only have a bottom border, so we do not need + // to adjust for all borders. This yields a similar result as + // Adobe Acrobat/Reader. + width = width - 2 * data.borderStyle.width; + height = height - 2 * data.borderStyle.width; + } + var horizontalRadius = data.borderStyle.horizontalCornerRadius; + var verticalRadius = data.borderStyle.verticalCornerRadius; + if (horizontalRadius > 0 || verticalRadius > 0) { + var radius = horizontalRadius + 'px / ' + verticalRadius + 'px'; + CustomStyle.setProp('borderRadius', container, radius); + } + switch (data.borderStyle.style) { + case AnnotationBorderStyleType.SOLID: + container.style.borderStyle = 'solid'; + break; + case AnnotationBorderStyleType.DASHED: + container.style.borderStyle = 'dashed'; + break; + case AnnotationBorderStyleType.BEVELED: + warn('Unimplemented border style: beveled'); + break; + case AnnotationBorderStyleType.INSET: + warn('Unimplemented border style: inset'); + break; + case AnnotationBorderStyleType.UNDERLINE: + container.style.borderBottomStyle = 'solid'; + break; + default: + break; + } + if (data.color) { + container.style.borderColor = Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0); + } else { + // Transparent (invisible) border, so do not draw it at all. + container.style.borderWidth = 0; + } + } + container.style.left = rect[0] + 'px'; + container.style.top = rect[1] + 'px'; + container.style.width = width + 'px'; + container.style.height = height + 'px'; + return container; + }, + /** + * Create a popup for the annotation's HTML element. This is used for + * annotations that do not have a Popup entry in the dictionary, but + * are of a type that works with popups (such as Highlight annotations). + * + * @private + * @param {HTMLSectionElement} container + * @param {HTMLDivElement|HTMLImageElement|null} trigger + * @param {Object} data + * @memberof AnnotationElement + */ + _createPopup: function AnnotationElement_createPopup(container, trigger, data) { + // If no trigger element is specified, create it. + if (!trigger) { + trigger = document.createElement('div'); + trigger.style.height = container.style.height; + trigger.style.width = container.style.width; + container.appendChild(trigger); + } + var popupElement = new PopupElement({ + container: container, + trigger: trigger, + color: data.color, + title: data.title, + contents: data.contents, + hideWrapper: true + }); + var popup = popupElement.render(); + // Position the popup next to the annotation's container. + popup.style.left = container.style.width; + container.appendChild(popup); + }, + /** + * Render the annotation's HTML element in the empty container. + * + * @public + * @memberof AnnotationElement + */ + render: function AnnotationElement_render() { + throw new Error('Abstract method AnnotationElement.render called'); + } + }; + return AnnotationElement; + }(); + /** + * @class + * @alias LinkAnnotationElement + */ + var LinkAnnotationElement = function LinkAnnotationElementClosure() { + function LinkAnnotationElement(parameters) { + AnnotationElement.call(this, parameters, true); + } + Util.inherit(LinkAnnotationElement, AnnotationElement, { + /** + * Render the link annotation's HTML element in the empty container. + * + * @public + * @memberof LinkAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function LinkAnnotationElement_render() { + this.container.className = 'linkAnnotation'; + var link = document.createElement('a'); + addLinkAttributes(link, { + url: this.data.url, + target: this.data.newWindow ? LinkTarget.BLANK : undefined + }); + if (!this.data.url) { + if (this.data.action) { + this._bindNamedAction(link, this.data.action); + } else { + this._bindLink(link, this.data.dest); + } + } + this.container.appendChild(link); + return this.container; + }, + /** + * Bind internal links to the link element. + * + * @private + * @param {Object} link + * @param {Object} destination + * @memberof LinkAnnotationElement + */ + _bindLink: function LinkAnnotationElement_bindLink(link, destination) { + var self = this; + link.href = this.linkService.getDestinationHash(destination); + link.onclick = function () { + if (destination) { + self.linkService.navigateTo(destination); + } + return false; + }; + if (destination) { + link.className = 'internalLink'; + } + }, + /** + * Bind named actions to the link element. + * + * @private + * @param {Object} link + * @param {Object} action + * @memberof LinkAnnotationElement + */ + _bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) { + var self = this; + link.href = this.linkService.getAnchorUrl(''); + link.onclick = function () { + self.linkService.executeNamedAction(action); + return false; + }; + link.className = 'internalLink'; + } + }); + return LinkAnnotationElement; + }(); + /** + * @class + * @alias TextAnnotationElement + */ + var TextAnnotationElement = function TextAnnotationElementClosure() { + function TextAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(TextAnnotationElement, AnnotationElement, { + /** + * Render the text annotation's HTML element in the empty container. + * + * @public + * @memberof TextAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function TextAnnotationElement_render() { + this.container.className = 'textAnnotation'; + var image = document.createElement('img'); + image.style.height = this.container.style.height; + image.style.width = this.container.style.width; + image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg'; + image.alt = '[{{type}} Annotation]'; + image.dataset.l10nId = 'text_annotation_type'; + image.dataset.l10nArgs = JSON.stringify({ type: this.data.name }); + if (!this.data.hasPopup) { + this._createPopup(this.container, image, this.data); + } + this.container.appendChild(image); + return this.container; + } + }); + return TextAnnotationElement; + }(); + /** + * @class + * @alias WidgetAnnotationElement + */ + var WidgetAnnotationElement = function WidgetAnnotationElementClosure() { + function WidgetAnnotationElement(parameters, isRenderable) { + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(WidgetAnnotationElement, AnnotationElement, { + /** + * Render the widget annotation's HTML element in the empty container. + * + * @public + * @memberof WidgetAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function WidgetAnnotationElement_render() { + // Show only the container for unsupported field types. + return this.container; + } + }); + return WidgetAnnotationElement; + }(); + /** + * @class + * @alias TextWidgetAnnotationElement + */ + var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() { + var TEXT_ALIGNMENT = [ + 'left', + 'center', + 'right' + ]; + function TextWidgetAnnotationElement(parameters) { + var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue; + WidgetAnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, { + /** + * Render the text widget annotation's HTML element in the empty container. + * + * @public + * @memberof TextWidgetAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function TextWidgetAnnotationElement_render() { + this.container.className = 'textWidgetAnnotation'; + var element = null; + if (this.renderInteractiveForms) { + // NOTE: We cannot set the values using `element.value` below, since it + // prevents the AnnotationLayer rasterizer in `test/driver.js` + // from parsing the elements correctly for the reference tests. + if (this.data.multiLine) { + element = document.createElement('textarea'); + element.textContent = this.data.fieldValue; + } else { + element = document.createElement('input'); + element.type = 'text'; + element.setAttribute('value', this.data.fieldValue); + } + element.disabled = this.data.readOnly; + if (this.data.maxLen !== null) { + element.maxLength = this.data.maxLen; + } + if (this.data.comb) { + var fieldWidth = this.data.rect[2] - this.data.rect[0]; + var combWidth = fieldWidth / this.data.maxLen; + element.classList.add('comb'); + element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)'; + } + } else { + element = document.createElement('div'); + element.textContent = this.data.fieldValue; + element.style.verticalAlign = 'middle'; + element.style.display = 'table-cell'; + var font = null; + if (this.data.fontRefName) { + font = this.page.commonObjs.getData(this.data.fontRefName); + } + this._setTextStyle(element, font); + } + if (this.data.textAlignment !== null) { + element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment]; + } + this.container.appendChild(element); + return this.container; + }, + /** + * Apply text styles to the text in the element. + * + * @private + * @param {HTMLDivElement} element + * @param {Object} font + * @memberof TextWidgetAnnotationElement + */ + _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) { + // TODO: This duplicates some of the logic in CanvasGraphics.setFont(). + var style = element.style; + style.fontSize = this.data.fontSize + 'px'; + style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr'; + if (!font) { + return; + } + style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal'; + style.fontStyle = font.italic ? 'italic' : 'normal'; + // Use a reasonable default font if the font doesn't specify a fallback. + var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : ''; + var fallbackName = font.fallbackName || 'Helvetica, sans-serif'; + style.fontFamily = fontFamily + fallbackName; + } + }); + return TextWidgetAnnotationElement; + }(); + /** + * @class + * @alias ChoiceWidgetAnnotationElement + */ + var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() { + function ChoiceWidgetAnnotationElement(parameters) { + WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms); + } + Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, { + /** + * Render the choice widget annotation's HTML element in the empty + * container. + * + * @public + * @memberof ChoiceWidgetAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function ChoiceWidgetAnnotationElement_render() { + this.container.className = 'choiceWidgetAnnotation'; + var selectElement = document.createElement('select'); + selectElement.disabled = this.data.readOnly; + if (!this.data.combo) { + // List boxes have a size and (optionally) multiple selection. + selectElement.size = this.data.options.length; + if (this.data.multiSelect) { + selectElement.multiple = true; + } + } + // Insert the options into the choice field. + for (var i = 0, ii = this.data.options.length; i < ii; i++) { + var option = this.data.options[i]; + var optionElement = document.createElement('option'); + optionElement.textContent = option.displayValue; + optionElement.value = option.exportValue; + if (this.data.fieldValue.indexOf(option.displayValue) >= 0) { + optionElement.setAttribute('selected', true); + } + selectElement.appendChild(optionElement); + } + this.container.appendChild(selectElement); + return this.container; + } + }); + return ChoiceWidgetAnnotationElement; + }(); + /** + * @class + * @alias PopupAnnotationElement + */ + var PopupAnnotationElement = function PopupAnnotationElementClosure() { + function PopupAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(PopupAnnotationElement, AnnotationElement, { + /** + * Render the popup annotation's HTML element in the empty container. + * + * @public + * @memberof PopupAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function PopupAnnotationElement_render() { + this.container.className = 'popupAnnotation'; + var selector = '[data-annotation-id="' + this.data.parentId + '"]'; + var parentElement = this.layer.querySelector(selector); + if (!parentElement) { + return this.container; + } + var popup = new PopupElement({ + container: this.container, + trigger: parentElement, + color: this.data.color, + title: this.data.title, + contents: this.data.contents + }); + // Position the popup next to the parent annotation's container. + // PDF viewers ignore a popup annotation's rectangle. + var parentLeft = parseFloat(parentElement.style.left); + var parentWidth = parseFloat(parentElement.style.width); + CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top); + this.container.style.left = parentLeft + parentWidth + 'px'; + this.container.appendChild(popup.render()); + return this.container; + } + }); + return PopupAnnotationElement; + }(); + /** + * @class + * @alias PopupElement + */ + var PopupElement = function PopupElementClosure() { + var BACKGROUND_ENLIGHT = 0.7; + function PopupElement(parameters) { + this.container = parameters.container; + this.trigger = parameters.trigger; + this.color = parameters.color; + this.title = parameters.title; + this.contents = parameters.contents; + this.hideWrapper = parameters.hideWrapper || false; + this.pinned = false; + } + PopupElement.prototype = /** @lends PopupElement.prototype */ + { + /** + * Render the popup's HTML element. + * + * @public + * @memberof PopupElement + * @returns {HTMLSectionElement} + */ + render: function PopupElement_render() { + var wrapper = document.createElement('div'); + wrapper.className = 'popupWrapper'; + // For Popup annotations we hide the entire section because it contains + // only the popup. However, for Text annotations without a separate Popup + // annotation, we cannot hide the entire container as the image would + // disappear too. In that special case, hiding the wrapper suffices. + this.hideElement = this.hideWrapper ? wrapper : this.container; + this.hideElement.setAttribute('hidden', true); + var popup = document.createElement('div'); + popup.className = 'popup'; + var color = this.color; + if (color) { + // Enlighten the color. + var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; + var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; + var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; + popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0); + } + var contents = this._formatContents(this.contents); + var title = document.createElement('h1'); + title.textContent = this.title; + // Attach the event listeners to the trigger element. + this.trigger.addEventListener('click', this._toggle.bind(this)); + this.trigger.addEventListener('mouseover', this._show.bind(this, false)); + this.trigger.addEventListener('mouseout', this._hide.bind(this, false)); + popup.addEventListener('click', this._hide.bind(this, true)); + popup.appendChild(title); + popup.appendChild(contents); + wrapper.appendChild(popup); + return wrapper; + }, + /** + * Format the contents of the popup by adding newlines where necessary. + * + * @private + * @param {string} contents + * @memberof PopupElement + * @returns {HTMLParagraphElement} + */ + _formatContents: function PopupElement_formatContents(contents) { + var p = document.createElement('p'); + var lines = contents.split(/(?:\r\n?|\n)/); + for (var i = 0, ii = lines.length; i < ii; ++i) { + var line = lines[i]; + p.appendChild(document.createTextNode(line)); + if (i < ii - 1) { + p.appendChild(document.createElement('br')); + } + } + return p; + }, + /** + * Toggle the visibility of the popup. + * + * @private + * @memberof PopupElement + */ + _toggle: function PopupElement_toggle() { + if (this.pinned) { + this._hide(true); + } else { + this._show(true); + } + }, + /** + * Show the popup. + * + * @private + * @param {boolean} pin + * @memberof PopupElement + */ + _show: function PopupElement_show(pin) { + if (pin) { + this.pinned = true; + } + if (this.hideElement.hasAttribute('hidden')) { + this.hideElement.removeAttribute('hidden'); + this.container.style.zIndex += 1; + } + }, + /** + * Hide the popup. + * + * @private + * @param {boolean} unpin + * @memberof PopupElement + */ + _hide: function PopupElement_hide(unpin) { + if (unpin) { + this.pinned = false; + } + if (!this.hideElement.hasAttribute('hidden') && !this.pinned) { + this.hideElement.setAttribute('hidden', true); + this.container.style.zIndex -= 1; + } + } + }; + return PopupElement; + }(); + /** + * @class + * @alias HighlightAnnotationElement + */ + var HighlightAnnotationElement = function HighlightAnnotationElementClosure() { + function HighlightAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(HighlightAnnotationElement, AnnotationElement, { + /** + * Render the highlight annotation's HTML element in the empty container. + * + * @public + * @memberof HighlightAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function HighlightAnnotationElement_render() { + this.container.className = 'highlightAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return HighlightAnnotationElement; + }(); + /** + * @class + * @alias UnderlineAnnotationElement + */ + var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() { + function UnderlineAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(UnderlineAnnotationElement, AnnotationElement, { + /** + * Render the underline annotation's HTML element in the empty container. + * + * @public + * @memberof UnderlineAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function UnderlineAnnotationElement_render() { + this.container.className = 'underlineAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return UnderlineAnnotationElement; + }(); + /** + * @class + * @alias SquigglyAnnotationElement + */ + var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() { + function SquigglyAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(SquigglyAnnotationElement, AnnotationElement, { + /** + * Render the squiggly annotation's HTML element in the empty container. + * + * @public + * @memberof SquigglyAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function SquigglyAnnotationElement_render() { + this.container.className = 'squigglyAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return SquigglyAnnotationElement; + }(); + /** + * @class + * @alias StrikeOutAnnotationElement + */ + var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() { + function StrikeOutAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(StrikeOutAnnotationElement, AnnotationElement, { + /** + * Render the strikeout annotation's HTML element in the empty container. + * + * @public + * @memberof StrikeOutAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function StrikeOutAnnotationElement_render() { + this.container.className = 'strikeoutAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return StrikeOutAnnotationElement; + }(); + /** + * @class + * @alias FileAttachmentAnnotationElement + */ + var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() { + function FileAttachmentAnnotationElement(parameters) { + AnnotationElement.call(this, parameters, true); + this.filename = getFilenameFromUrl(parameters.data.file.filename); + this.content = parameters.data.file.content; + } + Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, { + /** + * Render the file attachment annotation's HTML element in the empty + * container. + * + * @public + * @memberof FileAttachmentAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function FileAttachmentAnnotationElement_render() { + this.container.className = 'fileAttachmentAnnotation'; + var trigger = document.createElement('div'); + trigger.style.height = this.container.style.height; + trigger.style.width = this.container.style.width; + trigger.addEventListener('dblclick', this._download.bind(this)); + if (!this.data.hasPopup && (this.data.title || this.data.contents)) { + this._createPopup(this.container, trigger, this.data); + } + this.container.appendChild(trigger); + return this.container; + }, + /** + * Download the file attachment associated with this annotation. + * + * @private + * @memberof FileAttachmentAnnotationElement + */ + _download: function FileAttachmentAnnotationElement_download() { + if (!this.downloadManager) { + warn('Download cannot be started due to unavailable download manager'); + return; + } + this.downloadManager.downloadData(this.content, this.filename, ''); + } + }); + return FileAttachmentAnnotationElement; + }(); + /** + * @typedef {Object} AnnotationLayerParameters + * @property {PageViewport} viewport + * @property {HTMLDivElement} div + * @property {Array} annotations + * @property {PDFPage} page + * @property {IPDFLinkService} linkService + * @property {string} imageResourcesPath + * @property {boolean} renderInteractiveForms + */ + /** + * @class + * @alias AnnotationLayer + */ + var AnnotationLayer = function AnnotationLayerClosure() { + return { + /** + * Render a new annotation layer with all annotation elements. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + render: function AnnotationLayer_render(parameters) { + var annotationElementFactory = new AnnotationElementFactory(); + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + if (!data) { + continue; + } + var properties = { + data: data, + layer: parameters.div, + page: parameters.page, + viewport: parameters.viewport, + linkService: parameters.linkService, + downloadManager: parameters.downloadManager, + imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'), + renderInteractiveForms: parameters.renderInteractiveForms || false + }; + var element = annotationElementFactory.create(properties); + if (element.isRenderable) { + parameters.div.appendChild(element.render()); + } + } + }, + /** + * Update the annotation elements on existing annotation layer. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + update: function AnnotationLayer_update(parameters) { + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]'); + if (element) { + CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')'); + } + } + parameters.div.removeAttribute('hidden'); + } + }; + }(); + exports.AnnotationLayer = AnnotationLayer; + })); + (function (root, factory) { + factory(root.pdfjsDisplayTextLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayDOMUtils) { + var Util = sharedUtil.Util; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var CustomStyle = displayDOMUtils.CustomStyle; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + /** + * Text layer render parameters. + * + * @typedef {Object} TextLayerRenderParameters + * @property {TextContent} textContent - Text content to render (the object is + * returned by the page's getTextContent() method). + * @property {HTMLElement} container - HTML element that will contain text runs. + * @property {PageViewport} viewport - The target viewport to properly + * layout the text runs. + * @property {Array} textDivs - (optional) HTML elements that are correspond + * the text items of the textContent input. This is output and shall be + * initially be set to empty array. + * @property {number} timeout - (optional) Delay in milliseconds before + * rendering of the text runs occurs. + * @property {boolean} enhanceTextSelection - (optional) Whether to turn on the + * text selection enhancement. + */ + var renderTextLayer = function renderTextLayerClosure() { + var MAX_TEXT_DIVS_TO_RENDER = 100000; + var NonWhitespaceRegexp = /\S/; + function isAllWhitespace(str) { + return !NonWhitespaceRegexp.test(str); + } + // Text layers may contain many thousand div's, and using `styleBuf` avoids + // creating many intermediate strings when building their 'style' properties. + var styleBuf = [ + 'left: ', + 0, + 'px; top: ', + 0, + 'px; font-size: ', + 0, + 'px; font-family: ', + '', + ';' + ]; + function appendText(task, geom, styles) { + // Initialize all used properties to keep the caches monomorphic. + var textDiv = document.createElement('div'); + var textDivProperties = { + style: null, + angle: 0, + canvasWidth: 0, + isWhitespace: false, + originalTransform: null, + paddingBottom: 0, + paddingLeft: 0, + paddingRight: 0, + paddingTop: 0, + scale: 1 + }; + task._textDivs.push(textDiv); + if (isAllWhitespace(geom.str)) { + textDivProperties.isWhitespace = true; + task._textDivProperties.set(textDiv, textDivProperties); + return; + } + var tx = Util.transform(task._viewport.transform, geom.transform); + var angle = Math.atan2(tx[1], tx[0]); + var style = styles[geom.fontName]; + if (style.vertical) { + angle += Math.PI / 2; + } + var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]); + var fontAscent = fontHeight; + if (style.ascent) { + fontAscent = style.ascent * fontAscent; + } else if (style.descent) { + fontAscent = (1 + style.descent) * fontAscent; + } + var left; + var top; + if (angle === 0) { + left = tx[4]; + top = tx[5] - fontAscent; + } else { + left = tx[4] + fontAscent * Math.sin(angle); + top = tx[5] - fontAscent * Math.cos(angle); + } + styleBuf[1] = left; + styleBuf[3] = top; + styleBuf[5] = fontHeight; + styleBuf[7] = style.fontFamily; + textDivProperties.style = styleBuf.join(''); + textDiv.setAttribute('style', textDivProperties.style); + textDiv.textContent = geom.str; + // |fontName| is only used by the Font Inspector. This test will succeed + // when e.g. the Font Inspector is off but the Stepper is on, but it's + // not worth the effort to do a more accurate test. We only use `dataset` + // here to make the font name available for the debugger. + if (getDefaultSetting('pdfBug')) { + textDiv.dataset.fontName = geom.fontName; + } + if (angle !== 0) { + textDivProperties.angle = angle * (180 / Math.PI); + } + // We don't bother scaling single-char text divs, because it has very + // little effect on text highlighting. This makes scrolling on docs with + // lots of such divs a lot faster. + if (geom.str.length > 1) { + if (style.vertical) { + textDivProperties.canvasWidth = geom.height * task._viewport.scale; + } else { + textDivProperties.canvasWidth = geom.width * task._viewport.scale; + } + } + task._textDivProperties.set(textDiv, textDivProperties); + if (task._enhanceTextSelection) { + var angleCos = 1, angleSin = 0; + if (angle !== 0) { + angleCos = Math.cos(angle); + angleSin = Math.sin(angle); + } + var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale; + var divHeight = fontHeight; + var m, b; + if (angle !== 0) { + m = [ + angleCos, + angleSin, + -angleSin, + angleCos, + left, + top + ]; + b = Util.getAxialAlignedBoundingBox([ + 0, + 0, + divWidth, + divHeight + ], m); + } else { + b = [ + left, + top, + left + divWidth, + top + divHeight + ]; + } + task._bounds.push({ + left: b[0], + top: b[1], + right: b[2], + bottom: b[3], + div: textDiv, + size: [ + divWidth, + divHeight + ], + m: m + }); + } + } + function render(task) { + if (task._canceled) { + return; + } + var textLayerFrag = task._container; + var textDivs = task._textDivs; + var capability = task._capability; + var textDivsLength = textDivs.length; + // No point in rendering many divs as it would make the browser + // unusable even after the divs are rendered. + if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { + task._renderingDone = true; + capability.resolve(); + return; + } + var canvas = document.createElement('canvas'); + canvas.mozOpaque = true; + var ctx = canvas.getContext('2d', { alpha: false }); + var lastFontSize; + var lastFontFamily; + for (var i = 0; i < textDivsLength; i++) { + var textDiv = textDivs[i]; + var textDivProperties = task._textDivProperties.get(textDiv); + if (textDivProperties.isWhitespace) { + continue; + } + var fontSize = textDiv.style.fontSize; + var fontFamily = textDiv.style.fontFamily; + // Only build font string and set to context if different from last. + if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) { + ctx.font = fontSize + ' ' + fontFamily; + lastFontSize = fontSize; + lastFontFamily = fontFamily; + } + var width = ctx.measureText(textDiv.textContent).width; + textLayerFrag.appendChild(textDiv); + var transform = ''; + if (textDivProperties.canvasWidth !== 0 && width > 0) { + textDivProperties.scale = textDivProperties.canvasWidth / width; + transform = 'scaleX(' + textDivProperties.scale + ')'; + } + if (textDivProperties.angle !== 0) { + transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform; + } + if (transform !== '') { + textDivProperties.originalTransform = transform; + CustomStyle.setProp('transform', textDiv, transform); + } + task._textDivProperties.set(textDiv, textDivProperties); + } + task._renderingDone = true; + capability.resolve(); + } + function expand(task) { + var bounds = task._bounds; + var viewport = task._viewport; + var expanded = expandBounds(viewport.width, viewport.height, bounds); + for (var i = 0; i < expanded.length; i++) { + var div = bounds[i].div; + var divProperties = task._textDivProperties.get(div); + if (divProperties.angle === 0) { + divProperties.paddingLeft = bounds[i].left - expanded[i].left; + divProperties.paddingTop = bounds[i].top - expanded[i].top; + divProperties.paddingRight = expanded[i].right - bounds[i].right; + divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom; + task._textDivProperties.set(div, divProperties); + continue; + } + // Box is rotated -- trying to find padding so rotated div will not + // exceed its expanded bounds. + var e = expanded[i], b = bounds[i]; + var m = b.m, c = m[0], s = m[1]; + // Finding intersections with expanded box. + var points = [ + [ + 0, + 0 + ], + [ + 0, + b.size[1] + ], + [ + b.size[0], + 0 + ], + b.size + ]; + var ts = new Float64Array(64); + points.forEach(function (p, i) { + var t = Util.applyTransform(p, m); + ts[i + 0] = c && (e.left - t[0]) / c; + ts[i + 4] = s && (e.top - t[1]) / s; + ts[i + 8] = c && (e.right - t[0]) / c; + ts[i + 12] = s && (e.bottom - t[1]) / s; + ts[i + 16] = s && (e.left - t[0]) / -s; + ts[i + 20] = c && (e.top - t[1]) / c; + ts[i + 24] = s && (e.right - t[0]) / -s; + ts[i + 28] = c && (e.bottom - t[1]) / c; + ts[i + 32] = c && (e.left - t[0]) / -c; + ts[i + 36] = s && (e.top - t[1]) / -s; + ts[i + 40] = c && (e.right - t[0]) / -c; + ts[i + 44] = s && (e.bottom - t[1]) / -s; + ts[i + 48] = s && (e.left - t[0]) / s; + ts[i + 52] = c && (e.top - t[1]) / -c; + ts[i + 56] = s && (e.right - t[0]) / s; + ts[i + 60] = c && (e.bottom - t[1]) / -c; + }); + var findPositiveMin = function (ts, offset, count) { + var result = 0; + for (var i = 0; i < count; i++) { + var t = ts[offset++]; + if (t > 0) { + result = result ? Math.min(t, result) : t; + } + } + return result; + }; + // Not based on math, but to simplify calculations, using cos and sin + // absolute values to not exceed the box (it can but insignificantly). + var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s)); + divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale; + divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale; + divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale; + divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale; + task._textDivProperties.set(div, divProperties); + } + } + function expandBounds(width, height, boxes) { + var bounds = boxes.map(function (box, i) { + return { + x1: box.left, + y1: box.top, + x2: box.right, + y2: box.bottom, + index: i, + x1New: undefined, + x2New: undefined + }; + }); + expandBoundsLTR(width, bounds); + var expanded = new Array(boxes.length); + bounds.forEach(function (b) { + var i = b.index; + expanded[i] = { + left: b.x1New, + top: 0, + right: b.x2New, + bottom: 0 + }; + }); + // Rotating on 90 degrees and extending extended boxes. Reusing the bounds + // array and objects. + boxes.map(function (box, i) { + var e = expanded[i], b = bounds[i]; + b.x1 = box.top; + b.y1 = width - e.right; + b.x2 = box.bottom; + b.y2 = width - e.left; + b.index = i; + b.x1New = undefined; + b.x2New = undefined; + }); + expandBoundsLTR(height, bounds); + bounds.forEach(function (b) { + var i = b.index; + expanded[i].top = b.x1New; + expanded[i].bottom = b.x2New; + }); + return expanded; + } + function expandBoundsLTR(width, bounds) { + // Sorting by x1 coordinate and walk by the bounds in the same order. + bounds.sort(function (a, b) { + return a.x1 - b.x1 || a.index - b.index; + }); + // First we see on the horizon is a fake boundary. + var fakeBoundary = { + x1: -Infinity, + y1: -Infinity, + x2: 0, + y2: Infinity, + index: -1, + x1New: 0, + x2New: 0 + }; + var horizon = [{ + start: -Infinity, + end: Infinity, + boundary: fakeBoundary + }]; + bounds.forEach(function (boundary) { + // Searching for the affected part of horizon. + // TODO red-black tree or simple binary search + var i = 0; + while (i < horizon.length && horizon[i].end <= boundary.y1) { + i++; + } + var j = horizon.length - 1; + while (j >= 0 && horizon[j].start >= boundary.y2) { + j--; + } + var horizonPart, affectedBoundary; + var q, k, maxXNew = -Infinity; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var xNew; + if (affectedBoundary.x2 > boundary.x1) { + // In the middle of the previous element, new x shall be at the + // boundary start. Extending if further if the affected bondary + // placed on top of the current one. + xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1; + } else if (affectedBoundary.x2New === undefined) { + // We have some space in between, new x in middle will be a fair + // choice. + xNew = (affectedBoundary.x2 + boundary.x1) / 2; + } else { + // Affected boundary has x2new set, using it as new x. + xNew = affectedBoundary.x2New; + } + if (xNew > maxXNew) { + maxXNew = xNew; + } + } + // Set new x1 for current boundary. + boundary.x1New = maxXNew; + // Adjusts new x2 for the affected boundaries. + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + // Was not set yet, choosing new x if possible. + if (affectedBoundary.x2 > boundary.x1) { + // Current and affected boundaries intersect. If affected boundary + // is placed on top of the current, shrinking the affected. + if (affectedBoundary.index > boundary.index) { + affectedBoundary.x2New = affectedBoundary.x2; + } + } else { + affectedBoundary.x2New = maxXNew; + } + } else if (affectedBoundary.x2New > maxXNew) { + // Affected boundary is touching new x, pushing it back. + affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2); + } + } + // Fixing the horizon. + var changedHorizon = [], lastBoundary = null; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + // Checking which boundary will be visible. + var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary; + if (lastBoundary === useBoundary) { + // Merging with previous. + changedHorizon[changedHorizon.length - 1].end = horizonPart.end; + } else { + changedHorizon.push({ + start: horizonPart.start, + end: horizonPart.end, + boundary: useBoundary + }); + lastBoundary = useBoundary; + } + } + if (horizon[i].start < boundary.y1) { + changedHorizon[0].start = boundary.y1; + changedHorizon.unshift({ + start: horizon[i].start, + end: boundary.y1, + boundary: horizon[i].boundary + }); + } + if (boundary.y2 < horizon[j].end) { + changedHorizon[changedHorizon.length - 1].end = boundary.y2; + changedHorizon.push({ + start: boundary.y2, + end: horizon[j].end, + boundary: horizon[j].boundary + }); + } + // Set x2 new of boundary that is no longer visible (see overlapping case + // above). + // TODO more efficient, e.g. via reference counting. + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New !== undefined) { + continue; + } + var used = false; + for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = 0; !used && k < changedHorizon.length; k++) { + used = changedHorizon[k].boundary === affectedBoundary; + } + if (!used) { + affectedBoundary.x2New = maxXNew; + } + } + Array.prototype.splice.apply(horizon, [ + i, + j - i + 1 + ].concat(changedHorizon)); + }); + // Set new x2 for all unset boundaries. + horizon.forEach(function (horizonPart) { + var affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + affectedBoundary.x2New = Math.max(width, affectedBoundary.x2); + } + }); + } + /** + * Text layer rendering task. + * + * @param {TextContent} textContent + * @param {HTMLElement} container + * @param {PageViewport} viewport + * @param {Array} textDivs + * @param {boolean} enhanceTextSelection + * @private + */ + function TextLayerRenderTask(textContent, container, viewport, textDivs, enhanceTextSelection) { + this._textContent = textContent; + this._container = container; + this._viewport = viewport; + this._textDivs = textDivs || []; + this._textDivProperties = new WeakMap(); + this._renderingDone = false; + this._canceled = false; + this._capability = createPromiseCapability(); + this._renderTimer = null; + this._bounds = []; + this._enhanceTextSelection = !!enhanceTextSelection; + } + TextLayerRenderTask.prototype = { + get promise() { + return this._capability.promise; + }, + cancel: function TextLayer_cancel() { + this._canceled = true; + if (this._renderTimer !== null) { + clearTimeout(this._renderTimer); + this._renderTimer = null; + } + this._capability.reject('canceled'); + }, + _render: function TextLayer_render(timeout) { + var textItems = this._textContent.items; + var textStyles = this._textContent.styles; + for (var i = 0, len = textItems.length; i < len; i++) { + appendText(this, textItems[i], textStyles); + } + if (!timeout) { + // Render right away + render(this); + } else { + // Schedule + var self = this; + this._renderTimer = setTimeout(function () { + render(self); + self._renderTimer = null; + }, timeout); + } + }, + expandTextDivs: function TextLayer_expandTextDivs(expandDivs) { + if (!this._enhanceTextSelection || !this._renderingDone) { + return; + } + if (this._bounds !== null) { + expand(this); + this._bounds = null; + } + for (var i = 0, ii = this._textDivs.length; i < ii; i++) { + var div = this._textDivs[i]; + var divProperties = this._textDivProperties.get(div); + if (divProperties.isWhitespace) { + continue; + } + if (expandDivs) { + var transform = '', padding = ''; + if (divProperties.scale !== 1) { + transform = 'scaleX(' + divProperties.scale + ')'; + } + if (divProperties.angle !== 0) { + transform = 'rotate(' + divProperties.angle + 'deg) ' + transform; + } + if (divProperties.paddingLeft !== 0) { + padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;'; + transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)'; + } + if (divProperties.paddingTop !== 0) { + padding += ' padding-top: ' + divProperties.paddingTop + 'px;'; + transform += ' translateY(' + -divProperties.paddingTop + 'px)'; + } + if (divProperties.paddingRight !== 0) { + padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;'; + } + if (divProperties.paddingBottom !== 0) { + padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;'; + } + if (padding !== '') { + div.setAttribute('style', divProperties.style + padding); + } + if (transform !== '') { + CustomStyle.setProp('transform', div, transform); + } + } else { + div.style.padding = 0; + CustomStyle.setProp('transform', div, divProperties.originalTransform || ''); + } + } + } + }; + /** + * Starts rendering of the text layer. + * + * @param {TextLayerRenderParameters} renderParameters + * @returns {TextLayerRenderTask} + */ + function renderTextLayer(renderParameters) { + var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection); + task._render(renderParameters.timeout); + return task; + } + return renderTextLayer; + }(); + exports.renderTextLayer = renderTextLayer; + })); + (function (root, factory) { + factory(root.pdfjsDisplayWebGL = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayDOMUtils) { + var shadow = sharedUtil.shadow; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + var WebGLUtils = function WebGLUtilsClosure() { + function loadShader(gl, code, shaderType) { + var shader = gl.createShader(shaderType); + gl.shaderSource(shader, code); + gl.compileShader(shader); + var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + if (!compiled) { + var errorMsg = gl.getShaderInfoLog(shader); + throw new Error('Error during shader compilation: ' + errorMsg); + } + return shader; + } + function createVertexShader(gl, code) { + return loadShader(gl, code, gl.VERTEX_SHADER); + } + function createFragmentShader(gl, code) { + return loadShader(gl, code, gl.FRAGMENT_SHADER); + } + function createProgram(gl, shaders) { + var program = gl.createProgram(); + for (var i = 0, ii = shaders.length; i < ii; ++i) { + gl.attachShader(program, shaders[i]); + } + gl.linkProgram(program); + var linked = gl.getProgramParameter(program, gl.LINK_STATUS); + if (!linked) { + var errorMsg = gl.getProgramInfoLog(program); + throw new Error('Error during program linking: ' + errorMsg); + } + return program; + } + function createTexture(gl, image, textureId) { + gl.activeTexture(textureId); + var texture = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, texture); + // Set the parameters so we can render any size image. + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + // Upload the image into the texture. + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); + return texture; + } + var currentGL, currentCanvas; + function generateGL() { + if (currentGL) { + return; + } + currentCanvas = document.createElement('canvas'); + currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false }); + } + var smaskVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec2 a_texCoord; \ + \ + uniform vec2 u_resolution; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_texCoord = a_texCoord; \ + } '; + var smaskFragmentShaderCode = '\ + precision mediump float; \ + \ + uniform vec4 u_backdrop; \ + uniform int u_subtype; \ + uniform sampler2D u_image; \ + uniform sampler2D u_mask; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec4 imageColor = texture2D(u_image, v_texCoord); \ + vec4 maskColor = texture2D(u_mask, v_texCoord); \ + if (u_backdrop.a > 0.0) { \ + maskColor.rgb = maskColor.rgb * maskColor.a + \ + u_backdrop.rgb * (1.0 - maskColor.a); \ + } \ + float lum; \ + if (u_subtype == 0) { \ + lum = maskColor.a; \ + } else { \ + lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ + maskColor.b * 0.11; \ + } \ + imageColor.a *= lum; \ + imageColor.rgb *= imageColor.a; \ + gl_FragColor = imageColor; \ + } '; + var smaskCache = null; + function initSmaskGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + // setup a GLSL program + var vertexShader = createVertexShader(gl, smaskVertexShaderCode); + var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); + var program = createProgram(gl, [ + vertexShader, + fragmentShader + ]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); + cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); + var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); + var texLayerLocation = gl.getUniformLocation(program, 'u_image'); + var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); + // provide texture coordinates for the rectangle. + var texCoordBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0.0, + 0.0, + 1.0, + 0.0, + 0.0, + 1.0, + 0.0, + 1.0, + 1.0, + 0.0, + 1.0, + 1.0 + ]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(texCoordLocation); + gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); + gl.uniform1i(texLayerLocation, 0); + gl.uniform1i(texMaskLocation, 1); + smaskCache = cache; + } + function composeSMask(layer, mask, properties) { + var width = layer.width, height = layer.height; + if (!smaskCache) { + initSmaskGL(); + } + var cache = smaskCache, canvas = cache.canvas, gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + if (properties.backdrop) { + gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1); + } else { + gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + } + gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0); + // Create a textures + var texture = createTexture(gl, layer, gl.TEXTURE0); + var maskTexture = createTexture(gl, mask, gl.TEXTURE1); + // Create a buffer and put a single clipspace rectangle in + // it (2 triangles) + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0, + 0, + width, + 0, + 0, + height, + 0, + height, + width, + 0, + width, + height + ]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + // draw + gl.clearColor(0, 0, 0, 0); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + gl.clear(gl.COLOR_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLES, 0, 6); + gl.flush(); + gl.deleteTexture(texture); + gl.deleteTexture(maskTexture); + gl.deleteBuffer(buffer); + return canvas; + } + var figuresVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec3 a_color; \ + \ + uniform vec2 u_resolution; \ + uniform vec2 u_scale; \ + uniform vec2 u_offset; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + vec2 position = (a_position + u_offset) * u_scale; \ + vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_color = vec4(a_color / 255.0, 1.0); \ + } '; + var figuresFragmentShaderCode = '\ + precision mediump float; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + gl_FragColor = v_color; \ + } '; + var figuresCache = null; + function initFiguresGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + // setup a GLSL program + var vertexShader = createVertexShader(gl, figuresVertexShaderCode); + var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); + var program = createProgram(gl, [ + vertexShader, + fragmentShader + ]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); + cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.colorLocation = gl.getAttribLocation(program, 'a_color'); + figuresCache = cache; + } + function drawFigures(width, height, backgroundColor, figures, context) { + if (!figuresCache) { + initFiguresGL(); + } + var cache = figuresCache, canvas = cache.canvas, gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + // count triangle points + var count = 0; + var i, ii, rows; + for (i = 0, ii = figures.length; i < ii; i++) { + switch (figures[i].type) { + case 'lattice': + rows = figures[i].coords.length / figures[i].verticesPerRow | 0; + count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; + break; + case 'triangles': + count += figures[i].coords.length; + break; + } + } + // transfer data + var coords = new Float32Array(count * 2); + var colors = new Uint8Array(count * 3); + var coordsMap = context.coords, colorsMap = context.colors; + var pIndex = 0, cIndex = 0; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + switch (figure.type) { + case 'lattice': + var cols = figure.verticesPerRow; + rows = ps.length / cols | 0; + for (var row = 1; row < rows; row++) { + var offset = row * cols + 1; + for (var col = 1; col < cols; col++, offset++) { + coords[pIndex] = coordsMap[ps[offset - cols - 1]]; + coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; + coords[pIndex + 2] = coordsMap[ps[offset - cols]]; + coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; + coords[pIndex + 4] = coordsMap[ps[offset - 1]]; + coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; + colors[cIndex] = colorsMap[cs[offset - cols - 1]]; + colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; + colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; + colors[cIndex + 3] = colorsMap[cs[offset - cols]]; + colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; + colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; + colors[cIndex + 6] = colorsMap[cs[offset - 1]]; + colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; + colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; + coords[pIndex + 6] = coords[pIndex + 2]; + coords[pIndex + 7] = coords[pIndex + 3]; + coords[pIndex + 8] = coords[pIndex + 4]; + coords[pIndex + 9] = coords[pIndex + 5]; + coords[pIndex + 10] = coordsMap[ps[offset]]; + coords[pIndex + 11] = coordsMap[ps[offset] + 1]; + colors[cIndex + 9] = colors[cIndex + 3]; + colors[cIndex + 10] = colors[cIndex + 4]; + colors[cIndex + 11] = colors[cIndex + 5]; + colors[cIndex + 12] = colors[cIndex + 6]; + colors[cIndex + 13] = colors[cIndex + 7]; + colors[cIndex + 14] = colors[cIndex + 8]; + colors[cIndex + 15] = colorsMap[cs[offset]]; + colors[cIndex + 16] = colorsMap[cs[offset] + 1]; + colors[cIndex + 17] = colorsMap[cs[offset] + 2]; + pIndex += 12; + cIndex += 18; + } + } + break; + case 'triangles': + for (var j = 0, jj = ps.length; j < jj; j++) { + coords[pIndex] = coordsMap[ps[j]]; + coords[pIndex + 1] = coordsMap[ps[j] + 1]; + colors[cIndex] = colorsMap[cs[j]]; + colors[cIndex + 1] = colorsMap[cs[j] + 1]; + colors[cIndex + 2] = colorsMap[cs[j] + 2]; + pIndex += 2; + cIndex += 3; + } + break; + } + } + // draw + if (backgroundColor) { + gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0); + } else { + gl.clearColor(0, 0, 0, 0); + } + gl.clear(gl.COLOR_BUFFER_BIT); + var coordsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + var colorsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.colorLocation); + gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0); + gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); + gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); + gl.drawArrays(gl.TRIANGLES, 0, count); + gl.flush(); + gl.deleteBuffer(coordsBuffer); + gl.deleteBuffer(colorsBuffer); + return canvas; + } + function cleanup() { + if (smaskCache && smaskCache.canvas) { + smaskCache.canvas.width = 0; + smaskCache.canvas.height = 0; + } + if (figuresCache && figuresCache.canvas) { + figuresCache.canvas.width = 0; + figuresCache.canvas.height = 0; + } + smaskCache = null; + figuresCache = null; + } + return { + get isEnabled() { + if (getDefaultSetting('disableWebGL')) { + return false; + } + var enabled = false; + try { + generateGL(); + enabled = !!currentGL; + } catch (e) { + } + return shadow(this, 'isEnabled', enabled); + }, + composeSMask: composeSMask, + drawFigures: drawFigures, + clear: cleanup + }; + }(); + exports.WebGLUtils = WebGLUtils; + })); + (function (root, factory) { + factory(root.pdfjsDisplayPatternHelper = {}, root.pdfjsSharedUtil, root.pdfjsDisplayWebGL); + }(this, function (exports, sharedUtil, displayWebGL) { + var Util = sharedUtil.Util; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var error = sharedUtil.error; + var WebGLUtils = displayWebGL.WebGLUtils; + var ShadingIRs = {}; + ShadingIRs.RadialAxial = { + fromIR: function RadialAxial_fromIR(raw) { + var type = raw[1]; + var colorStops = raw[2]; + var p0 = raw[3]; + var p1 = raw[4]; + var r0 = raw[5]; + var r1 = raw[6]; + return { + type: 'Pattern', + getPattern: function RadialAxial_getPattern(ctx) { + var grad; + if (type === 'axial') { + grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); + } else if (type === 'radial') { + grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + } + for (var i = 0, ii = colorStops.length; i < ii; ++i) { + var c = colorStops[i]; + grad.addColorStop(c[0], c[1]); + } + return grad; + } + }; + } + }; + var createMeshCanvas = function createMeshCanvasClosure() { + function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { + // Very basic Gouraud-shaded triangle rasterization algorithm. + var coords = context.coords, colors = context.colors; + var bytes = data.data, rowSize = data.width * 4; + var tmp; + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; + } + if (coords[p2 + 1] > coords[p3 + 1]) { + tmp = p2; + p2 = p3; + p3 = tmp; + tmp = c2; + c2 = c3; + c3 = tmp; + } + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; + } + var x1 = (coords[p1] + context.offsetX) * context.scaleX; + var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; + var x2 = (coords[p2] + context.offsetX) * context.scaleX; + var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; + var x3 = (coords[p3] + context.offsetX) * context.scaleX; + var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; + if (y1 >= y3) { + return; + } + var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2]; + var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2]; + var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2]; + var minY = Math.round(y1), maxY = Math.round(y3); + var xa, car, cag, cab; + var xb, cbr, cbg, cbb; + var k; + for (var y = minY; y <= maxY; y++) { + if (y < y2) { + k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); + xa = x1 - (x1 - x2) * k; + car = c1r - (c1r - c2r) * k; + cag = c1g - (c1g - c2g) * k; + cab = c1b - (c1b - c2b) * k; + } else { + k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); + xa = x2 - (x2 - x3) * k; + car = c2r - (c2r - c3r) * k; + cag = c2g - (c2g - c3g) * k; + cab = c2b - (c2b - c3b) * k; + } + k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); + xb = x1 - (x1 - x3) * k; + cbr = c1r - (c1r - c3r) * k; + cbg = c1g - (c1g - c3g) * k; + cbb = c1b - (c1b - c3b) * k; + var x1_ = Math.round(Math.min(xa, xb)); + var x2_ = Math.round(Math.max(xa, xb)); + var j = rowSize * y + x1_ * 4; + for (var x = x1_; x <= x2_; x++) { + k = (xa - x) / (xa - xb); + k = k < 0 ? 0 : k > 1 ? 1 : k; + bytes[j++] = car - (car - cbr) * k | 0; + bytes[j++] = cag - (cag - cbg) * k | 0; + bytes[j++] = cab - (cab - cbb) * k | 0; + bytes[j++] = 255; + } + } + } + function drawFigure(data, figure, context) { + var ps = figure.coords; + var cs = figure.colors; + var i, ii; + switch (figure.type) { + case 'lattice': + var verticesPerRow = figure.verticesPerRow; + var rows = Math.floor(ps.length / verticesPerRow) - 1; + var cols = verticesPerRow - 1; + for (i = 0; i < rows; i++) { + var q = i * verticesPerRow; + for (var j = 0; j < cols; j++, q++) { + drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]); + drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + } + } + break; + case 'triangles': + for (i = 0, ii = ps.length; i < ii; i += 3) { + drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]); + } + break; + default: + error('illigal figure'); + break; + } + } + function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) { + // we will increase scale on some weird factor to let antialiasing take + // care of "rough" edges + var EXPECTED_SCALE = 1.1; + // MAX_PATTERN_SIZE is used to avoid OOM situation. + var MAX_PATTERN_SIZE = 3000; + // 10in @ 300dpi shall be enough + // We need to keep transparent border around our pattern for fill(): + // createPattern with 'no-repeat' will bleed edges across entire area. + var BORDER_SIZE = 2; + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var boundsWidth = Math.ceil(bounds[2]) - offsetX; + var boundsHeight = Math.ceil(bounds[3]) - offsetY; + var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var scaleX = boundsWidth / width; + var scaleY = boundsHeight / height; + var context = { + coords: coords, + colors: colors, + offsetX: -offsetX, + offsetY: -offsetY, + scaleX: 1 / scaleX, + scaleY: 1 / scaleY + }; + var paddedWidth = width + BORDER_SIZE * 2; + var paddedHeight = height + BORDER_SIZE * 2; + var canvas, tmpCanvas, i, ii; + if (WebGLUtils.isEnabled) { + canvas = WebGLUtils.drawFigures(width, height, backgroundColor, figures, context); + // https://bugzilla.mozilla.org/show_bug.cgi?id=972126 + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); + tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } else { + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); + var tmpCtx = tmpCanvas.context; + var data = tmpCtx.createImageData(width, height); + if (backgroundColor) { + var bytes = data.data; + for (i = 0, ii = bytes.length; i < ii; i += 4) { + bytes[i] = backgroundColor[0]; + bytes[i + 1] = backgroundColor[1]; + bytes[i + 2] = backgroundColor[2]; + bytes[i + 3] = 255; + } + } + for (i = 0; i < figures.length; i++) { + drawFigure(data, figures[i], context); + } + tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } + return { + canvas: canvas, + offsetX: offsetX - BORDER_SIZE * scaleX, + offsetY: offsetY - BORDER_SIZE * scaleY, + scaleX: scaleX, + scaleY: scaleY + }; + } + return createMeshCanvas; + }(); + ShadingIRs.Mesh = { + fromIR: function Mesh_fromIR(raw) { + //var type = raw[1]; + var coords = raw[2]; + var colors = raw[3]; + var figures = raw[4]; + var bounds = raw[5]; + var matrix = raw[6]; + //var bbox = raw[7]; + var background = raw[8]; + return { + type: 'Pattern', + getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { + var scale; + if (shadingFill) { + scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + } else { + // Obtain scale from matrix and current transformation matrix. + scale = Util.singularValueDecompose2dScale(owner.baseTransform); + if (matrix) { + var matrixScale = Util.singularValueDecompose2dScale(matrix); + scale = [ + scale[0] * matrixScale[0], + scale[1] * matrixScale[1] + ]; + } + } + // Rasterizing on the main thread since sending/queue large canvases + // might cause OOM. + var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases); + if (!shadingFill) { + ctx.setTransform.apply(ctx, owner.baseTransform); + if (matrix) { + ctx.transform.apply(ctx, matrix); + } + } + ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY); + ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY); + return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); + } + }; + } + }; + ShadingIRs.Dummy = { + fromIR: function Dummy_fromIR() { + return { + type: 'Pattern', + getPattern: function Dummy_fromIR_getPattern() { + return 'hotpink'; + } + }; + } + }; + function getShadingPatternFromIR(raw) { + var shadingIR = ShadingIRs[raw[0]]; + if (!shadingIR) { + error('Unknown IR type: ' + raw[0]); + } + return shadingIR.fromIR(raw); + } + var TilingPattern = function TilingPatternClosure() { + var PaintType = { + COLORED: 1, + UNCOLORED: 2 + }; + var MAX_PATTERN_SIZE = 3000; + // 10in @ 300dpi shall be enough + function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { + this.operatorList = IR[2]; + this.matrix = IR[3] || [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + this.bbox = IR[4]; + this.xstep = IR[5]; + this.ystep = IR[6]; + this.paintType = IR[7]; + this.tilingType = IR[8]; + this.color = color; + this.canvasGraphicsFactory = canvasGraphicsFactory; + this.baseTransform = baseTransform; + this.type = 'Pattern'; + this.ctx = ctx; + } + TilingPattern.prototype = { + createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { + var operatorList = this.operatorList; + var bbox = this.bbox; + var xstep = this.xstep; + var ystep = this.ystep; + var paintType = this.paintType; + var tilingType = this.tilingType; + var color = this.color; + var canvasGraphicsFactory = this.canvasGraphicsFactory; + info('TilingType: ' + tilingType); + var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3]; + var topLeft = [ + x0, + y0 + ]; + // we want the canvas to be as large as the step size + var botRight = [ + x0 + xstep, + y0 + ystep + ]; + var width = botRight[0] - topLeft[0]; + var height = botRight[1] - topLeft[1]; + // Obtain scale from matrix and current transformation matrix. + var matrixScale = Util.singularValueDecompose2dScale(this.matrix); + var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform); + var combinedScale = [ + matrixScale[0] * curMatrixScale[0], + matrixScale[1] * curMatrixScale[1] + ]; + // MAX_PATTERN_SIZE is used to avoid OOM situation. + // Use width and height values that are as close as possible to the end + // result when the pattern is used. Too low value makes the pattern look + // blurry. Too large value makes it look too crispy. + width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE); + height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE); + var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true); + var tmpCtx = tmpCanvas.context; + var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); + graphics.groupLevel = owner.groupLevel; + this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color); + this.setScale(width, height, xstep, ystep); + this.transformToScale(graphics); + // transform coordinates to pattern space + var tmpTranslate = [ + 1, + 0, + 0, + 1, + -topLeft[0], + -topLeft[1] + ]; + graphics.transform.apply(graphics, tmpTranslate); + this.clipBbox(graphics, bbox, x0, y0, x1, y1); + graphics.executeOperatorList(operatorList); + return tmpCanvas.canvas; + }, + setScale: function TilingPattern_setScale(width, height, xstep, ystep) { + this.scale = [ + width / xstep, + height / ystep + ]; + }, + transformToScale: function TilingPattern_transformToScale(graphics) { + var scale = this.scale; + var tmpScale = [ + scale[0], + 0, + 0, + scale[1], + 0, + 0 + ]; + graphics.transform.apply(graphics, tmpScale); + }, + scaleToContext: function TilingPattern_scaleToContext() { + var scale = this.scale; + this.ctx.scale(1 / scale[0], 1 / scale[1]); + }, + clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { + if (bbox && isArray(bbox) && bbox.length === 4) { + var bboxWidth = x1 - x0; + var bboxHeight = y1 - y0; + graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); + graphics.clip(); + graphics.endPath(); + } + }, + setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) { + switch (paintType) { + case PaintType.COLORED: + var ctx = this.ctx; + context.fillStyle = ctx.fillStyle; + context.strokeStyle = ctx.strokeStyle; + break; + case PaintType.UNCOLORED: + var cssColor = Util.makeCssRgb(color[0], color[1], color[2]); + context.fillStyle = cssColor; + context.strokeStyle = cssColor; + break; + default: + error('Unsupported paint type: ' + paintType); + } + }, + getPattern: function TilingPattern_getPattern(ctx, owner) { + var temporaryPatternCanvas = this.createPatternCanvas(owner); + ctx = this.ctx; + ctx.setTransform.apply(ctx, this.baseTransform); + ctx.transform.apply(ctx, this.matrix); + this.scaleToContext(); + return ctx.createPattern(temporaryPatternCanvas, 'repeat'); + } + }; + return TilingPattern; + }(); + exports.getShadingPatternFromIR = getShadingPatternFromIR; + exports.TilingPattern = TilingPattern; + })); + (function (root, factory) { + factory(root.pdfjsDisplayCanvas = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayPatternHelper, root.pdfjsDisplayWebGL); + }(this, function (exports, sharedUtil, displayDOMUtils, displayPatternHelper, displayWebGL) { + var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; + var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; + var ImageKind = sharedUtil.ImageKind; + var OPS = sharedUtil.OPS; + var TextRenderingMode = sharedUtil.TextRenderingMode; + var Uint32ArrayView = sharedUtil.Uint32ArrayView; + var Util = sharedUtil.Util; + var assert = sharedUtil.assert; + var info = sharedUtil.info; + var isNum = sharedUtil.isNum; + var isArray = sharedUtil.isArray; + var isLittleEndian = sharedUtil.isLittleEndian; + var error = sharedUtil.error; + var shadow = sharedUtil.shadow; + var warn = sharedUtil.warn; + var TilingPattern = displayPatternHelper.TilingPattern; + var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR; + var WebGLUtils = displayWebGL.WebGLUtils; + var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays; + // <canvas> contexts store most of the state we need natively. + // However, PDF needs a bit more state, which we store here. + // Minimal font size that would be used during canvas fillText operations. + var MIN_FONT_SIZE = 16; + // Maximum font size that would be used during canvas fillText operations. + var MAX_FONT_SIZE = 100; + var MAX_GROUP_SIZE = 4096; + // Heuristic value used when enforcing minimum line widths. + var MIN_WIDTH_FACTOR = 0.65; + var COMPILE_TYPE3_GLYPHS = true; + var MAX_SIZE_TO_COMPILE = 1000; + var FULL_CHUNK_HEIGHT = 16; + var HasCanvasTypedArraysCached = { + get value() { + return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays()); + } + }; + var IsLittleEndianCached = { + get value() { + return shadow(IsLittleEndianCached, 'value', isLittleEndian()); + } + }; + function createScratchCanvas(width, height) { + var canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + return canvas; + } + function addContextCurrentTransform(ctx) { + // If the context doesn't expose a `mozCurrentTransform`, add a JS based one. + if (!ctx.mozCurrentTransform) { + ctx._originalSave = ctx.save; + ctx._originalRestore = ctx.restore; + ctx._originalRotate = ctx.rotate; + ctx._originalScale = ctx.scale; + ctx._originalTranslate = ctx.translate; + ctx._originalTransform = ctx.transform; + ctx._originalSetTransform = ctx.setTransform; + ctx._transformMatrix = ctx._transformMatrix || [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + ctx._transformStack = []; + Object.defineProperty(ctx, 'mozCurrentTransform', { + get: function getCurrentTransform() { + return this._transformMatrix; + } + }); + Object.defineProperty(ctx, 'mozCurrentTransformInverse', { + get: function getCurrentTransformInverse() { + // Calculation done using WolframAlpha: + // http://www.wolframalpha.com/input/? + // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}} + var m = this._transformMatrix; + var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5]; + var ad_bc = a * d - b * c; + var bc_ad = b * c - a * d; + return [ + d / ad_bc, + b / bc_ad, + c / bc_ad, + a / ad_bc, + (d * e - c * f) / bc_ad, + (b * e - a * f) / ad_bc + ]; + } + }); + ctx.save = function ctxSave() { + var old = this._transformMatrix; + this._transformStack.push(old); + this._transformMatrix = old.slice(0, 6); + this._originalSave(); + }; + ctx.restore = function ctxRestore() { + var prev = this._transformStack.pop(); + if (prev) { + this._transformMatrix = prev; + this._originalRestore(); + } + }; + ctx.translate = function ctxTranslate(x, y) { + var m = this._transformMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + this._originalTranslate(x, y); + }; + ctx.scale = function ctxScale(x, y) { + var m = this._transformMatrix; + m[0] = m[0] * x; + m[1] = m[1] * x; + m[2] = m[2] * y; + m[3] = m[3] * y; + this._originalScale(x, y); + }; + ctx.transform = function ctxTransform(a, b, c, d, e, f) { + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * a + m[2] * b, + m[1] * a + m[3] * b, + m[0] * c + m[2] * d, + m[1] * c + m[3] * d, + m[0] * e + m[2] * f + m[4], + m[1] * e + m[3] * f + m[5] + ]; + ctx._originalTransform(a, b, c, d, e, f); + }; + ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { + this._transformMatrix = [ + a, + b, + c, + d, + e, + f + ]; + ctx._originalSetTransform(a, b, c, d, e, f); + }; + ctx.rotate = function ctxRotate(angle) { + var cosValue = Math.cos(angle); + var sinValue = Math.sin(angle); + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * cosValue + m[2] * sinValue, + m[1] * cosValue + m[3] * sinValue, + m[0] * -sinValue + m[2] * cosValue, + m[1] * -sinValue + m[3] * cosValue, + m[4], + m[5] + ]; + this._originalRotate(angle); + }; + } + } + var CachedCanvases = function CachedCanvasesClosure() { + function CachedCanvases() { + this.cache = Object.create(null); + } + CachedCanvases.prototype = { + getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) { + var canvasEntry; + if (this.cache[id] !== undefined) { + canvasEntry = this.cache[id]; + canvasEntry.canvas.width = width; + canvasEntry.canvas.height = height; + // reset canvas transform for emulated mozCurrentTransform, if needed + canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + } else { + var canvas = createScratchCanvas(width, height); + var ctx = canvas.getContext('2d'); + if (trackTransform) { + addContextCurrentTransform(ctx); + } + this.cache[id] = canvasEntry = { + canvas: canvas, + context: ctx + }; + } + return canvasEntry; + }, + clear: function () { + for (var id in this.cache) { + var canvasEntry = this.cache[id]; + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + canvasEntry.canvas.width = 0; + canvasEntry.canvas.height = 0; + delete this.cache[id]; + } + } + }; + return CachedCanvases; + }(); + function compileType3Glyph(imgData) { + var POINT_TO_PROCESS_LIMIT = 1000; + var width = imgData.width, height = imgData.height; + var i, j, j0, width1 = width + 1; + var points = new Uint8Array(width1 * (height + 1)); + var POINT_TYPES = new Uint8Array([ + 0, + 2, + 4, + 0, + 1, + 0, + 5, + 4, + 8, + 10, + 0, + 8, + 0, + 2, + 1, + 0 + ]); + // decodes bit-packed mask data + var lineSize = width + 7 & ~7, data0 = imgData.data; + var data = new Uint8Array(lineSize * height), pos = 0, ii; + for (i = 0, ii = data0.length; i < ii; i++) { + var mask = 128, elem = data0[i]; + while (mask > 0) { + data[pos++] = elem & mask ? 0 : 255; + mask >>= 1; + } + } + // finding iteresting points: every point is located between mask pixels, + // so there will be points of the (width + 1)x(height + 1) grid. Every point + // will have flags assigned based on neighboring mask pixels: + // 4 | 8 + // --P-- + // 2 | 1 + // We are interested only in points with the flags: + // - outside corners: 1, 2, 4, 8; + // - inside corners: 7, 11, 13, 14; + // - and, intersections: 5, 10. + var count = 0; + pos = 0; + if (data[pos] !== 0) { + points[0] = 1; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j] = data[pos] ? 2 : 1; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j] = 2; + ++count; + } + for (i = 1; i < height; i++) { + pos = i * lineSize; + j0 = i * width1; + if (data[pos - lineSize] !== data[pos]) { + points[j0] = data[pos] ? 1 : 8; + ++count; + } + // 'sum' is the position of the current pixel configuration in the 'TYPES' + // array (in order 8-1-2-4, so we can use '>>2' to shift the column). + var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); + for (j = 1; j < width; j++) { + sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0); + if (POINT_TYPES[sum]) { + points[j0 + j] = POINT_TYPES[sum]; + ++count; + } + pos++; + } + if (data[pos - lineSize] !== data[pos]) { + points[j0 + j] = data[pos] ? 2 : 4; + ++count; + } + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + } + pos = lineSize * (height - 1); + j0 = i * width1; + if (data[pos] !== 0) { + points[j0] = 8; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j0 + j] = data[pos] ? 4 : 8; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j0 + j] = 4; + ++count; + } + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + // building outlines + var steps = new Int32Array([ + 0, + width1, + -1, + 0, + -width1, + 0, + 0, + 0, + 1 + ]); + var outlines = []; + for (i = 0; count && i <= height; i++) { + var p = i * width1; + var end = p + width; + while (p < end && !points[p]) { + p++; + } + if (p === end) { + continue; + } + var coords = [ + p % width1, + i + ]; + var type = points[p], p0 = p, pp; + do { + var step = steps[type]; + do { + p += step; + } while (!points[p]); + pp = points[p]; + if (pp !== 5 && pp !== 10) { + // set new direction + type = pp; + // delete mark + points[p] = 0; + } else { + // type is 5 or 10, ie, a crossing + // set new direction + type = pp & 0x33 * type >> 4; + // set new type for "future hit" + points[p] &= type >> 2 | type << 2; + } + coords.push(p % width1); + coords.push(p / width1 | 0); + --count; + } while (p0 !== p); + outlines.push(coords); + --i; + } + var drawOutline = function (c) { + c.save(); + // the path shall be painted in [0..1]x[0..1] space + c.scale(1 / width, -1 / height); + c.translate(0, -height); + c.beginPath(); + for (var i = 0, ii = outlines.length; i < ii; i++) { + var o = outlines[i]; + c.moveTo(o[0], o[1]); + for (var j = 2, jj = o.length; j < jj; j += 2) { + c.lineTo(o[j], o[j + 1]); + } + } + c.fill(); + c.beginPath(); + c.restore(); + }; + return drawOutline; + } + var CanvasExtraState = function CanvasExtraStateClosure() { + function CanvasExtraState(old) { + // Are soft masks and alpha values shapes or opacities? + this.alphaIsShape = false; + this.fontSize = 0; + this.fontSizeScale = 1; + this.textMatrix = IDENTITY_MATRIX; + this.textMatrixScale = 1; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.leading = 0; + // Current point (in user coordinates) + this.x = 0; + this.y = 0; + // Start of text line (in text coordinates) + this.lineX = 0; + this.lineY = 0; + // Character and word spacing + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRenderingMode = TextRenderingMode.FILL; + this.textRise = 0; + // Default fore and background colors + this.fillColor = '#000000'; + this.strokeColor = '#000000'; + this.patternFill = false; + // Note: fill alpha applies to all non-stroking operations + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.activeSMask = null; + this.resumeSMaskCtx = null; + // nonclonable field (see the save method below) + this.old = old; + } + CanvasExtraState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return CanvasExtraState; + }(); + var CanvasGraphics = function CanvasGraphicsClosure() { + // Defines the time the executeOperatorList is going to be executing + // before it stops and shedules a continue of execution. + var EXECUTION_TIME = 15; + // Defines the number of steps before checking the execution time + var EXECUTION_STEPS = 10; + function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) { + this.ctx = canvasCtx; + this.current = new CanvasExtraState(); + this.stateStack = []; + this.pendingClip = null; + this.pendingEOFill = false; + this.res = null; + this.xobjs = null; + this.commonObjs = commonObjs; + this.objs = objs; + this.imageLayer = imageLayer; + this.groupStack = []; + this.processingType3 = null; + // Patterns are painted relative to the initial page/form transform, see pdf + // spec 8.7.2 NOTE 1. + this.baseTransform = null; + this.baseTransformStack = []; + this.groupLevel = 0; + this.smaskStack = []; + this.smaskCounter = 0; + this.tempSMask = null; + this.cachedCanvases = new CachedCanvases(); + if (canvasCtx) { + // NOTE: if mozCurrentTransform is polyfilled, then the current state of + // the transformation must already be set in canvasCtx._transformMatrix. + addContextCurrentTransform(canvasCtx); + } + this.cachedGetSinglePixelWidth = null; + } + function putBinaryImageData(ctx, imgData) { + if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { + ctx.putImageData(imgData, 0, 0); + return; + } + // Put the image data to the canvas in chunks, rather than putting the + // whole image at once. This saves JS memory, because the ImageData object + // is smaller. It also possibly saves C++ memory within the implementation + // of putImageData(). (E.g. in Firefox we make two short-lived copies of + // the data passed to putImageData()). |n| shouldn't be too small, however, + // because too many putImageData() calls will slow things down. + // + // Note: as written, if the last chunk is partial, the putImageData() call + // will (conceptually) put pixels past the bounds of the canvas. But + // that's ok; any such pixels are ignored. + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0, destPos; + var src = imgData.data; + var dest = chunkImgData.data; + var i, j, thisChunkHeight, elemsInThisChunk; + // There are multiple forms in which the pixel data can be passed, and + // imgData.kind tells us which one this is. + if (imgData.kind === ImageKind.GRAYSCALE_1BPP) { + // Grayscale, 1 bit per pixel (i.e. black-and-white). + var srcLength = src.byteLength; + var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest); + var dest32DataLength = dest32.length; + var fullSrcDiff = width + 7 >> 3; + var white = 0xFFFFFFFF; + var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF; + for (i = 0; i < totalChunks; i++) { + thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + destPos = 0; + for (j = 0; j < thisChunkHeight; j++) { + var srcDiff = srcLength - srcPos; + var k = 0; + var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7; + var kEndUnrolled = kEnd & ~7; + var mask = 0; + var srcByte = 0; + for (; k < kEndUnrolled; k += 8) { + srcByte = src[srcPos++]; + dest32[destPos++] = srcByte & 128 ? white : black; + dest32[destPos++] = srcByte & 64 ? white : black; + dest32[destPos++] = srcByte & 32 ? white : black; + dest32[destPos++] = srcByte & 16 ? white : black; + dest32[destPos++] = srcByte & 8 ? white : black; + dest32[destPos++] = srcByte & 4 ? white : black; + dest32[destPos++] = srcByte & 2 ? white : black; + dest32[destPos++] = srcByte & 1 ? white : black; + } + for (; k < kEnd; k++) { + if (mask === 0) { + srcByte = src[srcPos++]; + mask = 128; + } + dest32[destPos++] = srcByte & mask ? white : black; + mask >>= 1; + } + } + // We ran out of input. Make all remaining pixels transparent. + while (destPos < dest32DataLength) { + dest32[destPos++] = 0; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else if (imgData.kind === ImageKind.RGBA_32BPP) { + // RGBA, 32-bits per pixel. + j = 0; + elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; + for (i = 0; i < fullChunks; i++) { + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + srcPos += elemsInThisChunk; + ctx.putImageData(chunkImgData, 0, j); + j += FULL_CHUNK_HEIGHT; + } + if (i < totalChunks) { + elemsInThisChunk = width * partialChunkHeight * 4; + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + ctx.putImageData(chunkImgData, 0, j); + } + } else if (imgData.kind === ImageKind.RGB_24BPP) { + // RGB, 24-bits per pixel. + thisChunkHeight = FULL_CHUNK_HEIGHT; + elemsInThisChunk = width * thisChunkHeight; + for (i = 0; i < totalChunks; i++) { + if (i >= fullChunks) { + thisChunkHeight = partialChunkHeight; + elemsInThisChunk = width * thisChunkHeight; + } + destPos = 0; + for (j = elemsInThisChunk; j--;) { + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = 255; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else { + error('bad image kind: ' + imgData.kind); + } + } + function putBinaryImageMask(ctx, imgData) { + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0; + var src = imgData.data; + var dest = chunkImgData.data; + for (var i = 0; i < totalChunks; i++) { + var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + // Expand the mask so it can be used by the canvas. Any required + // inversion has already been handled. + var destPos = 3; + // alpha component offset + for (var j = 0; j < thisChunkHeight; j++) { + var mask = 0; + for (var k = 0; k < width; k++) { + if (!mask) { + var elem = src[srcPos++]; + mask = 128; + } + dest[destPos] = elem & mask ? 0 : 255; + destPos += 4; + mask >>= 1; + } + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } + function copyCtxState(sourceCtx, destCtx) { + var properties = [ + 'strokeStyle', + 'fillStyle', + 'fillRule', + 'globalAlpha', + 'lineWidth', + 'lineCap', + 'lineJoin', + 'miterLimit', + 'globalCompositeOperation', + 'font' + ]; + for (var i = 0, ii = properties.length; i < ii; i++) { + var property = properties[i]; + if (sourceCtx[property] !== undefined) { + destCtx[property] = sourceCtx[property]; + } + } + if (sourceCtx.setLineDash !== undefined) { + destCtx.setLineDash(sourceCtx.getLineDash()); + destCtx.lineDashOffset = sourceCtx.lineDashOffset; + } + } + function composeSMaskBackdrop(bytes, r0, g0, b0) { + var length = bytes.length; + for (var i = 3; i < length; i += 4) { + var alpha = bytes[i]; + if (alpha === 0) { + bytes[i - 3] = r0; + bytes[i - 2] = g0; + bytes[i - 1] = b0; + } else if (alpha < 255) { + var alpha_ = 255 - alpha; + bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8; + bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8; + bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8; + } + } + } + function composeSMaskAlpha(maskData, layerData, transferMap) { + var length = maskData.length; + var scale = 1 / 255; + for (var i = 3; i < length; i += 4) { + var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; + layerData[i] = layerData[i] * alpha * scale | 0; + } + } + function composeSMaskLuminosity(maskData, layerData, transferMap) { + var length = maskData.length; + for (var i = 3; i < length; i += 4) { + var y = maskData[i - 3] * 77 + // * 0.3 / 255 * 0x10000 + maskData[i - 2] * 152 + // * 0.59 .... + maskData[i - 1] * 28; + // * 0.11 .... + layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16; + } + } + function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) { + var hasBackdrop = !!backdrop; + var r0 = hasBackdrop ? backdrop[0] : 0; + var g0 = hasBackdrop ? backdrop[1] : 0; + var b0 = hasBackdrop ? backdrop[2] : 0; + var composeFn; + if (subtype === 'Luminosity') { + composeFn = composeSMaskLuminosity; + } else { + composeFn = composeSMaskAlpha; + } + // processing image in chunks to save memory + var PIXELS_TO_PROCESS = 1048576; + var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); + for (var row = 0; row < height; row += chunkSize) { + var chunkHeight = Math.min(chunkSize, height - row); + var maskData = maskCtx.getImageData(0, row, width, chunkHeight); + var layerData = layerCtx.getImageData(0, row, width, chunkHeight); + if (hasBackdrop) { + composeSMaskBackdrop(maskData.data, r0, g0, b0); + } + composeFn(maskData.data, layerData.data, transferMap); + maskCtx.putImageData(layerData, 0, row); + } + } + function composeSMask(ctx, smask, layerCtx) { + var mask = smask.canvas; + var maskCtx = smask.context; + ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY); + var backdrop = smask.backdrop || null; + if (!smask.transferMap && WebGLUtils.isEnabled) { + var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, { + subtype: smask.subtype, + backdrop: backdrop + }); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.drawImage(composed, smask.offsetX, smask.offsetY); + return; + } + genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap); + ctx.drawImage(mask, 0, 0); + } + var LINE_CAP_STYLES = [ + 'butt', + 'round', + 'square' + ]; + var LINE_JOIN_STYLES = [ + 'miter', + 'round', + 'bevel' + ]; + var NORMAL_CLIP = {}; + var EO_CLIP = {}; + CanvasGraphics.prototype = { + beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, transparency) { + // For pdfs that use blend modes we have to clear the canvas else certain + // blend modes can look wrong since we'd be blending with a white + // backdrop. The problem with a transparent backdrop though is we then + // don't get sub pixel anti aliasing on text, creating temporary + // transparent canvas when we have blend modes. + var width = this.ctx.canvas.width; + var height = this.ctx.canvas.height; + this.ctx.save(); + this.ctx.fillStyle = 'rgb(255, 255, 255)'; + this.ctx.fillRect(0, 0, width, height); + this.ctx.restore(); + if (transparency) { + var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true); + this.compositeCtx = this.ctx; + this.transparentCanvas = transparentCanvas.canvas; + this.ctx = transparentCanvas.context; + this.ctx.save(); + // The transform can be applied before rendering, transferring it to + // the new canvas. + this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform); + } + this.ctx.save(); + if (transform) { + this.ctx.transform.apply(this.ctx, transform); + } + this.ctx.transform.apply(this.ctx, viewport.transform); + this.baseTransform = this.ctx.mozCurrentTransform.slice(); + if (this.imageLayer) { + this.imageLayer.beginLayout(); + } + }, + executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var i = executionStartIdx || 0; + var argsArrayLen = argsArray.length; + // Sometimes the OperatorList to execute is empty. + if (argsArrayLen === i) { + return i; + } + var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function'; + var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; + var steps = 0; + var commonObjs = this.commonObjs; + var objs = this.objs; + var fnId; + while (true) { + if (stepper !== undefined && i === stepper.nextBreakPoint) { + stepper.breakIt(i, continueCallback); + return i; + } + fnId = fnArray[i]; + if (fnId !== OPS.dependency) { + this[fnId].apply(this, argsArray[i]); + } else { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var depObjId = deps[n]; + var common = depObjId[0] === 'g' && depObjId[1] === '_'; + var objsPool = common ? commonObjs : objs; + // If the promise isn't resolved yet, add the continueCallback + // to the promise and bail out. + if (!objsPool.isResolved(depObjId)) { + objsPool.get(depObjId, continueCallback); + return i; + } + } + } + i++; + // If the entire operatorList was executed, stop as were done. + if (i === argsArrayLen) { + return i; + } + // If the execution took longer then a certain amount of time and + // `continueCallback` is specified, interrupt the execution. + if (chunkOperations && ++steps > EXECUTION_STEPS) { + if (Date.now() > endTime) { + continueCallback(); + return i; + } + steps = 0; + } + } + }, + // If the operatorList isn't executed completely yet OR the execution + // time was short enough, do another execution round. + endDrawing: function CanvasGraphics_endDrawing() { + // Finishing all opened operations such as SMask group painting. + if (this.current.activeSMask !== null) { + this.endSMaskGroup(); + } + this.ctx.restore(); + if (this.transparentCanvas) { + this.ctx = this.compositeCtx; + this.ctx.save(); + this.ctx.setTransform(1, 0, 0, 1, 0, 0); + // Avoid apply transform twice + this.ctx.drawImage(this.transparentCanvas, 0, 0); + this.ctx.restore(); + this.transparentCanvas = null; + } + this.cachedCanvases.clear(); + WebGLUtils.clear(); + if (this.imageLayer) { + this.imageLayer.endLayout(); + } + }, + // Graphics state + setLineWidth: function CanvasGraphics_setLineWidth(width) { + this.current.lineWidth = width; + this.ctx.lineWidth = width; + }, + setLineCap: function CanvasGraphics_setLineCap(style) { + this.ctx.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function CanvasGraphics_setLineJoin(style) { + this.ctx.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { + this.ctx.miterLimit = limit; + }, + setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { + var ctx = this.ctx; + if (ctx.setLineDash !== undefined) { + ctx.setLineDash(dashArray); + ctx.lineDashOffset = dashPhase; + } + }, + setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) { + }, + setFlatness: function CanvasGraphics_setFlatness(flatness) { + }, + setGState: function CanvasGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + this.setRenderingIntent(value); + break; + case 'FL': + this.setFlatness(value); + break; + case 'Font': + this.setFont(value[0], value[1]); + break; + case 'CA': + this.current.strokeAlpha = state[1]; + break; + case 'ca': + this.current.fillAlpha = state[1]; + this.ctx.globalAlpha = state[1]; + break; + case 'BM': + if (value && value.name && value.name !== 'Normal') { + var mode = value.name.replace(/([A-Z])/g, function (c) { + return '-' + c.toLowerCase(); + }).substring(1); + this.ctx.globalCompositeOperation = mode; + if (this.ctx.globalCompositeOperation !== mode) { + warn('globalCompositeOperation "' + mode + '" is not supported'); + } + } else { + this.ctx.globalCompositeOperation = 'source-over'; + } + break; + case 'SMask': + if (this.current.activeSMask) { + // If SMask is currrenly used, it needs to be suspended or + // finished. Suspend only makes sense when at least one save() + // was performed and state needs to be reverted on restore(). + if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) { + this.suspendSMaskGroup(); + } else { + this.endSMaskGroup(); + } + } + this.current.activeSMask = value ? this.tempSMask : null; + if (this.current.activeSMask) { + this.beginSMaskGroup(); + } + this.tempSMask = null; + break; + } + } + }, + beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { + var activeSMask = this.current.activeSMask; + var drawnWidth = activeSMask.canvas.width; + var drawnHeight = activeSMask.canvas.height; + var cacheId = 'smaskGroupAt' + this.groupLevel; + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var currentCtx = this.ctx; + var currentTransform = currentCtx.mozCurrentTransform; + this.ctx.save(); + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); + groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse; + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + [ + 'BM', + 'Normal' + ], + [ + 'ca', + 1 + ], + [ + 'CA', + 1 + ] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() { + // Similar to endSMaskGroup, the intermediate canvas has to be composed + // and future ctx state restored. + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + this.ctx.save(); + // save is needed since SMask will be resumed. + copyCtxState(groupCtx, this.ctx); + // Saving state for resuming. + this.current.resumeSMaskCtx = groupCtx; + // Transform was changed in the SMask canvas, reflecting this change on + // this.ctx. + var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + // SMask was composed, the results at the groupCtx can be cleared. + groupCtx.save(); + groupCtx.setTransform(1, 0, 0, 1, 0, 0); + groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height); + groupCtx.restore(); + }, + resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() { + // Resuming state saved by suspendSMaskGroup. We don't need to restore + // any groupCtx state since restore() command (the only caller) will do + // that for us. See also beginSMaskGroup. + var groupCtx = this.current.resumeSMaskCtx; + var currentCtx = this.ctx; + this.ctx = groupCtx; + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + endSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + copyCtxState(groupCtx, this.ctx); + // Transform was changed in the SMask canvas, reflecting this change on + // this.ctx. + var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + }, + save: function CanvasGraphics_save() { + this.ctx.save(); + var old = this.current; + this.stateStack.push(old); + this.current = old.clone(); + this.current.resumeSMaskCtx = null; + }, + restore: function CanvasGraphics_restore() { + // SMask was suspended, we just need to resume it. + if (this.current.resumeSMaskCtx) { + this.resumeSMaskGroup(); + } + // SMask has to be finished once there is no states that are using the + // same SMask. + if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) { + this.endSMaskGroup(); + } + if (this.stateStack.length !== 0) { + this.current = this.stateStack.pop(); + this.ctx.restore(); + // Ensure that the clipping path is reset (fixes issue6413.pdf). + this.pendingClip = null; + this.cachedGetSinglePixelWidth = null; + } + }, + transform: function CanvasGraphics_transform(a, b, c, d, e, f) { + this.ctx.transform(a, b, c, d, e, f); + this.cachedGetSinglePixelWidth = null; + }, + // Path + constructPath: function CanvasGraphics_constructPath(ops, args) { + var ctx = this.ctx; + var current = this.current; + var x = current.x, y = current.y; + for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { + switch (ops[i] | 0) { + case OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + if (width === 0) { + width = this.getSinglePixelWidth(); + } + if (height === 0) { + height = this.getSinglePixelWidth(); + } + var xw = x + width; + var yh = y + height; + this.ctx.moveTo(x, y); + this.ctx.lineTo(xw, y); + this.ctx.lineTo(xw, yh); + this.ctx.lineTo(x, yh); + this.ctx.lineTo(x, y); + this.ctx.closePath(); + break; + case OPS.moveTo: + x = args[j++]; + y = args[j++]; + ctx.moveTo(x, y); + break; + case OPS.lineTo: + x = args[j++]; + y = args[j++]; + ctx.lineTo(x, y); + break; + case OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y); + j += 6; + break; + case OPS.curveTo2: + ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + case OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); + j += 4; + break; + case OPS.closePath: + ctx.closePath(); + break; + } + } + current.setCurrentPoint(x, y); + }, + closePath: function CanvasGraphics_closePath() { + this.ctx.closePath(); + }, + stroke: function CanvasGraphics_stroke(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var strokeColor = this.current.strokeColor; + // Prevent drawing too thin lines by enforcing a minimum line width. + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth); + // For stroke we want to temporarily change the global alpha to the + // stroking alpha. + ctx.globalAlpha = this.current.strokeAlpha; + if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') { + // for patterns, we transform to pattern space, calculate + // the pattern, call stroke, and restore to user space + ctx.save(); + ctx.strokeStyle = strokeColor.getPattern(ctx, this); + ctx.stroke(); + ctx.restore(); + } else { + ctx.stroke(); + } + if (consumePath) { + this.consumePath(); + } + // Restore the global alpha to the fill alpha + ctx.globalAlpha = this.current.fillAlpha; + }, + closeStroke: function CanvasGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + fill: function CanvasGraphics_fill(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var needRestore = false; + if (isPatternFill) { + ctx.save(); + if (this.baseTransform) { + ctx.setTransform.apply(ctx, this.baseTransform); + } + ctx.fillStyle = fillColor.getPattern(ctx, this); + needRestore = true; + } + if (this.pendingEOFill) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.fill(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.fill('evenodd'); + } + this.pendingEOFill = false; + } else { + ctx.fill(); + } + if (needRestore) { + ctx.restore(); + } + if (consumePath) { + this.consumePath(); + } + }, + eoFill: function CanvasGraphics_eoFill() { + this.pendingEOFill = true; + this.fill(); + }, + fillStroke: function CanvasGraphics_fillStroke() { + this.fill(false); + this.stroke(false); + this.consumePath(); + }, + eoFillStroke: function CanvasGraphics_eoFillStroke() { + this.pendingEOFill = true; + this.fillStroke(); + }, + closeFillStroke: function CanvasGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { + this.pendingEOFill = true; + this.closePath(); + this.fillStroke(); + }, + endPath: function CanvasGraphics_endPath() { + this.consumePath(); + }, + // Clipping + clip: function CanvasGraphics_clip() { + this.pendingClip = NORMAL_CLIP; + }, + eoClip: function CanvasGraphics_eoClip() { + this.pendingClip = EO_CLIP; + }, + // Text + beginText: function CanvasGraphics_beginText() { + this.current.textMatrix = IDENTITY_MATRIX; + this.current.textMatrixScale = 1; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + endText: function CanvasGraphics_endText() { + var paths = this.pendingTextPaths; + var ctx = this.ctx; + if (paths === undefined) { + ctx.beginPath(); + return; + } + ctx.save(); + ctx.beginPath(); + for (var i = 0; i < paths.length; i++) { + var path = paths[i]; + ctx.setTransform.apply(ctx, path.transform); + ctx.translate(path.x, path.y); + path.addToPath(ctx, path.fontSize); + } + ctx.restore(); + ctx.clip(); + ctx.beginPath(); + delete this.pendingTextPaths; + }, + setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { + this.current.charSpacing = spacing; + }, + setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { + this.current.wordSpacing = spacing; + }, + setHScale: function CanvasGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setLeading: function CanvasGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setFont: function CanvasGraphics_setFont(fontRefName, size) { + var fontObj = this.commonObjs.get(fontRefName); + var current = this.current; + if (!fontObj) { + error('Can\'t find font for ' + fontRefName); + } + current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX; + // A valid matrix needs all main diagonal elements to be non-zero + // This also ensures we bypass FF bugzilla bug #719844. + if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) { + warn('Invalid font matrix for font ' + fontRefName); + } + // The spec for Tf (setFont) says that 'size' specifies the font 'scale', + // and in some docs this can be negative (inverted x-y axes). + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + this.current.font = fontObj; + this.current.fontSize = size; + if (fontObj.isType3Font) { + return; + } + // we don't need ctx.font for Type3 fonts + var name = fontObj.loadedName || 'sans-serif'; + var bold = fontObj.black ? fontObj.bold ? '900' : 'bold' : fontObj.bold ? 'bold' : 'normal'; + var italic = fontObj.italic ? 'italic' : 'normal'; + var typeface = '"' + name + '", ' + fontObj.fallbackName; + // Some font backends cannot handle fonts below certain size. + // Keeping the font at minimal size and using the fontSizeScale to change + // the current transformation matrix before the fillText/strokeText. + // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227 + var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size; + this.current.fontSizeScale = size / browserFontSize; + var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; + this.ctx.font = rule; + }, + setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { + this.current.textRenderingMode = mode; + }, + setTextRise: function CanvasGraphics_setTextRise(rise) { + this.current.textRise = rise; + }, + moveText: function CanvasGraphics_moveText(x, y) { + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + }, + setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { + this.current.textMatrix = [ + a, + b, + c, + d, + e, + f + ]; + this.current.textMatrixScale = Math.sqrt(a * a + b * b); + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + nextLine: function CanvasGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + paintChar: function CanvasGraphics_paintChar(character, x, y) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var textRenderingMode = current.textRenderingMode; + var fontSize = current.fontSize / current.fontSizeScale; + var fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK; + var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG); + var addToPath; + if (font.disableFontFace || isAddToPathSet) { + addToPath = font.getPathGenerator(this.commonObjs, character); + } + if (font.disableFontFace) { + ctx.save(); + ctx.translate(x, y); + ctx.beginPath(); + addToPath(ctx, fontSize); + if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fill(); + } + if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.stroke(); + } + ctx.restore(); + } else { + if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fillText(character, x, y); + } + if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.strokeText(character, x, y); + } + } + if (isAddToPathSet) { + var paths = this.pendingTextPaths || (this.pendingTextPaths = []); + paths.push({ + transform: ctx.mozCurrentTransform, + x: x, + y: y, + fontSize: fontSize, + addToPath: addToPath + }); + } + }, + get isFontSubpixelAAEnabled() { + // Checks if anti-aliasing is enabled when scaled text is painted. + // On Windows GDI scaled fonts looks bad. + var ctx = document.createElement('canvas').getContext('2d'); + ctx.scale(1.5, 1); + ctx.fillText('I', 0, 10); + var data = ctx.getImageData(0, 0, 10, 10).data; + var enabled = false; + for (var i = 3; i < data.length; i += 4) { + if (data[i] > 0 && data[i] < 255) { + enabled = true; + break; + } + } + return shadow(this, 'isFontSubpixelAAEnabled', enabled); + }, + showText: function CanvasGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + if (font.isType3Font) { + return this.showType3Text(glyphs); + } + var fontSize = current.fontSize; + if (fontSize === 0) { + return; + } + var ctx = this.ctx; + var fontSizeScale = current.fontSizeScale; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var spacingDir = vertical ? 1 : -1; + var defaultVMetrics = font.defaultVMetrics; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace; + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y + current.textRise); + if (current.patternFill) { + // TODO: Some shading patterns are not applied correctly to text, + // e.g. issues 3988 and 5432, and ShowText-ShadingPattern.pdf. + ctx.fillStyle = current.fillColor.getPattern(ctx, this); + } + if (fontDirection > 0) { + ctx.scale(textHScale, -1); + } else { + ctx.scale(textHScale, 1); + } + var lineWidth = current.lineWidth; + var scale = current.textMatrixScale; + if (scale === 0 || lineWidth === 0) { + var fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + this.cachedGetSinglePixelWidth = null; + lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; + } + } else { + lineWidth /= scale; + } + if (fontSizeScale !== 1.0) { + ctx.scale(fontSizeScale, fontSizeScale); + lineWidth /= fontSizeScale; + } + ctx.lineWidth = lineWidth; + var x = 0, i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (isNum(glyph)) { + x += spacingDir * glyph * fontSize / 1000; + continue; + } + var restoreNeeded = false; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var character = glyph.fontChar; + var accent = glyph.accent; + var scaledX, scaledY, scaledAccentX, scaledAccentY; + var width = glyph.width; + if (vertical) { + var vmetric, vx, vy; + vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + vy = vmetric[2] * widthAdvanceScale; + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; + } + if (font.remeasure && width > 0) { + // Some standard fonts may not have the exact width: rescale per + // character if measured width is greater than expected glyph width + // and subpixel-aa is enabled, otherwise just center the glyph. + var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale; + if (width < measuredWidth && this.isFontSubpixelAAEnabled) { + var characterScaleX = width / measuredWidth; + restoreNeeded = true; + ctx.save(); + ctx.scale(characterScaleX, 1); + scaledX /= characterScaleX; + } else if (width !== measuredWidth) { + scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale; + } + } + // Only attempt to draw the glyph if it is actually in the embedded font + // file or if there isn't a font file so the fallback font is shown. + if (glyph.isInFont || font.missingFile) { + if (simpleFillText && !accent) { + // common case + ctx.fillText(character, scaledX, scaledY); + } else { + this.paintChar(character, scaledX, scaledY); + if (accent) { + scaledAccentX = scaledX + accent.offset.x / fontSizeScale; + scaledAccentY = scaledY - accent.offset.y / fontSizeScale; + this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY); + } + } + } + var charWidth = width * widthAdvanceScale + spacing * fontDirection; + x += charWidth; + if (restoreNeeded) { + ctx.restore(); + } + } + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + ctx.restore(); + }, + showType3Text: function CanvasGraphics_showType3Text(glyphs) { + // Type3 fonts - each glyph is a "mini-PDF" + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + var fontDirection = current.fontDirection; + var spacingDir = font.vertical ? 1 : -1; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var textHScale = current.textHScale * fontDirection; + var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX; + var glyphsLength = glyphs.length; + var isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE; + var i, glyph, width, spacingLength; + if (isTextInvisible || fontSize === 0) { + return; + } + this.cachedGetSinglePixelWidth = null; + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y); + ctx.scale(textHScale, fontDirection); + for (i = 0; i < glyphsLength; ++i) { + glyph = glyphs[i]; + if (isNum(glyph)) { + spacingLength = spacingDir * glyph * fontSize / 1000; + this.ctx.translate(spacingLength, 0); + current.x += spacingLength * textHScale; + continue; + } + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var operatorList = font.charProcOperatorList[glyph.operatorListId]; + if (!operatorList) { + warn('Type3 character \"' + glyph.operatorListId + '\" is not available'); + continue; + } + this.processingType3 = glyph; + this.save(); + ctx.scale(fontSize, fontSize); + ctx.transform.apply(ctx, fontMatrix); + this.executeOperatorList(operatorList); + this.restore(); + var transformed = Util.applyTransform([ + glyph.width, + 0 + ], fontMatrix); + width = transformed[0] * fontSize + spacing; + ctx.translate(width, 0); + current.x += width * textHScale; + } + ctx.restore(); + this.processingType3 = null; + }, + // Type3 fonts + setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) { + }, + setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) { + // TODO According to the spec we're also suppose to ignore any operators + // that set color or include images while processing this type3 font. + this.ctx.rect(llx, lly, urx - llx, ury - lly); + this.clip(); + this.endPath(); + }, + // Color + getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { + var pattern; + if (IR[0] === 'TilingPattern') { + var color = IR[1]; + var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice(); + var self = this; + var canvasGraphicsFactory = { + createCanvasGraphics: function (ctx) { + return new CanvasGraphics(ctx, self.commonObjs, self.objs); + } + }; + pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform); + } else { + pattern = getShadingPatternFromIR(IR); + } + return pattern; + }, + setStrokeColorN: function CanvasGraphics_setStrokeColorN() + /*...*/ + { + this.current.strokeColor = this.getColorN_Pattern(arguments); + }, + setFillColorN: function CanvasGraphics_setFillColorN() + /*...*/ + { + this.current.fillColor = this.getColorN_Pattern(arguments); + this.current.patternFill = true; + }, + setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.strokeStyle = color; + this.current.strokeColor = color; + }, + setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.fillStyle = color; + this.current.fillColor = color; + this.current.patternFill = false; + }, + shadingFill: function CanvasGraphics_shadingFill(patternIR) { + var ctx = this.ctx; + this.save(); + var pattern = getShadingPatternFromIR(patternIR); + ctx.fillStyle = pattern.getPattern(ctx, this, true); + var inv = ctx.mozCurrentTransformInverse; + if (inv) { + var canvas = ctx.canvas; + var width = canvas.width; + var height = canvas.height; + var bl = Util.applyTransform([ + 0, + 0 + ], inv); + var br = Util.applyTransform([ + 0, + height + ], inv); + var ul = Util.applyTransform([ + width, + 0 + ], inv); + var ur = Util.applyTransform([ + width, + height + ], inv); + var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); + } else { + // HACK to draw the gradient onto an infinite rectangle. + // PDF gradients are drawn across the entire image while + // Canvas only allows gradients to be drawn in a rectangle + // The following bug should allow us to remove this. + // https://bugzilla.mozilla.org/show_bug.cgi?id=664884 + this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + this.restore(); + }, + // Images + beginInlineImage: function CanvasGraphics_beginInlineImage() { + error('Should not call beginInlineImage'); + }, + beginImageData: function CanvasGraphics_beginImageData() { + error('Should not call beginImageData'); + }, + paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) { + this.save(); + this.baseTransformStack.push(this.baseTransform); + if (isArray(matrix) && 6 === matrix.length) { + this.transform.apply(this, matrix); + } + this.baseTransform = this.ctx.mozCurrentTransform; + if (isArray(bbox) && 4 === bbox.length) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + this.ctx.rect(bbox[0], bbox[1], width, height); + this.clip(); + this.endPath(); + } + }, + paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { + this.restore(); + this.baseTransform = this.baseTransformStack.pop(); + }, + beginGroup: function CanvasGraphics_beginGroup(group) { + this.save(); + var currentCtx = this.ctx; + // TODO non-isolated groups - according to Rik at adobe non-isolated + // group results aren't usually that different and they even have tools + // that ignore this setting. Notes from Rik on implementing: + // - When you encounter an transparency group, create a new canvas with + // the dimensions of the bbox + // - copy the content from the previous canvas to the new canvas + // - draw as usual + // - remove the backdrop alpha: + // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha + // value of your transparency group and 'alphaBackdrop' the alpha of the + // backdrop + // - remove background color: + // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew) + if (!group.isolated) { + info('TODO: Support non-isolated groups.'); + } + // TODO knockout - supposedly possible with the clever use of compositing + // modes. + if (group.knockout) { + warn('Knockout groups not supported.'); + } + var currentTransform = currentCtx.mozCurrentTransform; + if (group.matrix) { + currentCtx.transform.apply(currentCtx, group.matrix); + } + assert(group.bbox, 'Bounding box is required.'); + // Based on the current transform figure out how big the bounding box + // will actually be. + var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform); + // Clip the bounding box to the current canvas. + var canvasBounds = [ + 0, + 0, + currentCtx.canvas.width, + currentCtx.canvas.height + ]; + bounds = Util.intersect(bounds, canvasBounds) || [ + 0, + 0, + 0, + 0 + ]; + // Use ceil in case we're between sizes so we don't create canvas that is + // too small and make the canvas at least 1x1 pixels. + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); + var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); + var scaleX = 1, scaleY = 1; + if (drawnWidth > MAX_GROUP_SIZE) { + scaleX = drawnWidth / MAX_GROUP_SIZE; + drawnWidth = MAX_GROUP_SIZE; + } + if (drawnHeight > MAX_GROUP_SIZE) { + scaleY = drawnHeight / MAX_GROUP_SIZE; + drawnHeight = MAX_GROUP_SIZE; + } + var cacheId = 'groupAt' + this.groupLevel; + if (group.smask) { + // Using two cache entries is case if masks are used one after another. + cacheId += '_smask_' + this.smaskCounter++ % 2; + } + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var groupCtx = scratchCanvas.context; + // Since we created a new canvas that is just the size of the bounding box + // we have to translate the group ctx. + groupCtx.scale(1 / scaleX, 1 / scaleY); + groupCtx.translate(-offsetX, -offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + if (group.smask) { + // Saving state and cached mask to be used in setGState. + this.smaskStack.push({ + canvas: scratchCanvas.canvas, + context: groupCtx, + offsetX: offsetX, + offsetY: offsetY, + scaleX: scaleX, + scaleY: scaleY, + subtype: group.smask.subtype, + backdrop: group.smask.backdrop, + transferMap: group.smask.transferMap || null, + startTransformInverse: null + }); + } else + // used during suspend operation + { + // Setup the current ctx so when the group is popped we draw it at the + // right location. + currentCtx.setTransform(1, 0, 0, 1, 0, 0); + currentCtx.translate(offsetX, offsetY); + currentCtx.scale(scaleX, scaleY); + } + // The transparency group inherits all off the current graphics state + // except the blend mode, soft mask, and alpha constants. + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + [ + 'BM', + 'Normal' + ], + [ + 'ca', + 1 + ], + [ + 'CA', + 1 + ] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + // Reseting mask state, masks will be applied on restore of the group. + this.current.activeSMask = null; + }, + endGroup: function CanvasGraphics_endGroup(group) { + this.groupLevel--; + var groupCtx = this.ctx; + this.ctx = this.groupStack.pop(); + // Turn off image smoothing to avoid sub pixel interpolation which can + // look kind of blurry for some pdfs. + if (this.ctx.imageSmoothingEnabled !== undefined) { + this.ctx.imageSmoothingEnabled = false; + } else { + this.ctx.mozImageSmoothingEnabled = false; + } + if (group.smask) { + this.tempSMask = this.smaskStack.pop(); + } else { + this.ctx.drawImage(groupCtx.canvas, 0, 0); + } + this.restore(); + }, + beginAnnotations: function CanvasGraphics_beginAnnotations() { + this.save(); + this.current = new CanvasExtraState(); + if (this.baseTransform) { + this.ctx.setTransform.apply(this.ctx, this.baseTransform); + } + }, + endAnnotations: function CanvasGraphics_endAnnotations() { + this.restore(); + }, + beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) { + this.save(); + if (isArray(rect) && 4 === rect.length) { + var width = rect[2] - rect[0]; + var height = rect[3] - rect[1]; + this.ctx.rect(rect[0], rect[1], width, height); + this.clip(); + this.endPath(); + } + this.transform.apply(this, transform); + this.transform.apply(this, matrix); + }, + endAnnotation: function CanvasGraphics_endAnnotation() { + this.restore(); + }, + paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { + var domImage = this.objs.get(objId); + if (!domImage) { + warn('Dependent image isn\'t ready yet'); + return; + } + this.save(); + var ctx = this.ctx; + // scale the image to the unit square + ctx.scale(1 / w, -1 / h); + ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h); + if (this.imageLayer) { + var currentTransform = ctx.mozCurrentTransformInverse; + var position = this.getCanvasPosition(0, 0); + this.imageLayer.appendImage({ + objId: objId, + left: position[0], + top: position[1], + width: w / currentTransform[0], + height: h / currentTransform[3] + }); + } + this.restore(); + }, + paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { + var ctx = this.ctx; + var width = img.width, height = img.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var glyph = this.processingType3; + if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { + if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { + glyph.compiled = compileType3Glyph({ + data: img.data, + width: width, + height: height + }); + } else { + glyph.compiled = null; + } + } + if (glyph && glyph.compiled) { + glyph.compiled(ctx); + return; + } + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, img); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + this.paintInlineImageXObject(maskCanvas.canvas); + }, + paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) { + var width = imgData.width; + var height = imgData.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, imgData); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + var ctx = this.ctx; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + ctx.save(); + ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); + } + }, + paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) { + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + for (var i = 0, ii = images.length; i < ii; i++) { + var image = images[i]; + var width = image.width, height = image.height; + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, image); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + ctx.save(); + ctx.transform.apply(ctx, image.transform); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); + } + }, + paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + this.paintInlineImageXObject(imgData); + }, + paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + var width = imgData.width; + var height = imgData.height; + var map = []; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + map.push({ + transform: [ + scaleX, + 0, + 0, + scaleY, + positions[i], + positions[i + 1] + ], + x: 0, + y: 0, + w: width, + h: height + }); + } + this.paintInlineImageXObjectGroup(imgData, map); + }, + paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) { + var width = imgData.width; + var height = imgData.height; + var ctx = this.ctx; + this.save(); + // scale the image to the unit square + ctx.scale(1 / width, -1 / height); + var currentTransform = ctx.mozCurrentTransformInverse; + var a = currentTransform[0], b = currentTransform[1]; + var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); + var c = currentTransform[2], d = currentTransform[3]; + var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); + var imgToPaint, tmpCanvas; + // instanceof HTMLElement does not work in jsdom node.js module + if (imgData instanceof HTMLElement || !imgData.data) { + imgToPaint = imgData; + } else { + tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = tmpCanvas.canvas; + } + var paintWidth = width, paintHeight = height; + var tmpCanvasId = 'prescale1'; + // Vertial or horizontal scaling shall not be more than 2 to not loose the + // pixels during drawImage operation, painting on the temporary canvas(es) + // that are twice smaller in size + while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) { + var newWidth = paintWidth, newHeight = paintHeight; + if (widthScale > 2 && paintWidth > 1) { + newWidth = Math.ceil(paintWidth / 2); + widthScale /= paintWidth / newWidth; + } + if (heightScale > 2 && paintHeight > 1) { + newHeight = Math.ceil(paintHeight / 2); + heightScale /= paintHeight / newHeight; + } + tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight); + tmpCtx = tmpCanvas.context; + tmpCtx.clearRect(0, 0, newWidth, newHeight); + tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight); + imgToPaint = tmpCanvas.canvas; + paintWidth = newWidth; + paintHeight = newHeight; + tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; + } + ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height); + if (this.imageLayer) { + var position = this.getCanvasPosition(0, -height); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: width / currentTransform[0], + height: height / currentTransform[3] + }); + } + this.restore(); + }, + paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { + var ctx = this.ctx; + var w = imgData.width; + var h = imgData.height; + var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + for (var i = 0, ii = map.length; i < ii; i++) { + var entry = map[i]; + ctx.save(); + ctx.transform.apply(ctx, entry.transform); + ctx.scale(1, -1); + ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1); + if (this.imageLayer) { + var position = this.getCanvasPosition(entry.x, entry.y); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: w, + height: h + }); + } + ctx.restore(); + } + }, + paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() { + this.ctx.fillRect(0, 0, 1, 1); + }, + paintXObject: function CanvasGraphics_paintXObject() { + warn('Unsupported \'paintXObject\' command.'); + }, + // Marked content + markPoint: function CanvasGraphics_markPoint(tag) { + }, + markPointProps: function CanvasGraphics_markPointProps(tag, properties) { + }, + beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) { + }, + beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) { + }, + endMarkedContent: function CanvasGraphics_endMarkedContent() { + }, + // Compatibility + beginCompat: function CanvasGraphics_beginCompat() { + }, + endCompat: function CanvasGraphics_endCompat() { + }, + // Helper functions + consumePath: function CanvasGraphics_consumePath() { + var ctx = this.ctx; + if (this.pendingClip) { + if (this.pendingClip === EO_CLIP) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.clip(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.clip('evenodd'); + } + } else { + ctx.clip(); + } + this.pendingClip = null; + } + ctx.beginPath(); + }, + getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) { + if (this.cachedGetSinglePixelWidth === null) { + // NOTE: The `save` and `restore` commands used below is a workaround + // that is necessary in order to prevent `mozCurrentTransformInverse` + // from intermittently returning incorrect values in Firefox, see: + // https://github.com/mozilla/pdf.js/issues/7188. + this.ctx.save(); + var inverse = this.ctx.mozCurrentTransformInverse; + this.ctx.restore(); + // max of the current horizontal and vertical scale + this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3])); + } + return this.cachedGetSinglePixelWidth; + }, + getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { + var transform = this.ctx.mozCurrentTransform; + return [ + transform[0] * x + transform[2] * y + transform[4], + transform[1] * x + transform[3] * y + transform[5] + ]; + } + }; + for (var op in OPS) { + CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op]; + } + return CanvasGraphics; + }(); + exports.CanvasGraphics = CanvasGraphics; + exports.createScratchCanvas = createScratchCanvas; + })); + (function (root, factory) { + factory(root.pdfjsDisplayAPI = {}, root.pdfjsSharedUtil, root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, root.pdfjsDisplayMetadata, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, displayMetadata, displayDOMUtils, amdRequire) { + var InvalidPDFException = sharedUtil.InvalidPDFException; + var MessageHandler = sharedUtil.MessageHandler; + var MissingPDFException = sharedUtil.MissingPDFException; + var PageViewport = sharedUtil.PageViewport; + var PasswordResponses = sharedUtil.PasswordResponses; + var PasswordException = sharedUtil.PasswordException; + var StatTimer = sharedUtil.StatTimer; + var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + var UnknownErrorException = sharedUtil.UnknownErrorException; + var Util = sharedUtil.Util; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var error = sharedUtil.error; + var deprecated = sharedUtil.deprecated; + var getVerbosityLevel = sharedUtil.getVerbosityLevel; + var info = sharedUtil.info; + var isInt = sharedUtil.isInt; + var isArray = sharedUtil.isArray; + var isArrayBuffer = sharedUtil.isArrayBuffer; + var isSameOrigin = sharedUtil.isSameOrigin; + var loadJpegStream = sharedUtil.loadJpegStream; + var stringToBytes = sharedUtil.stringToBytes; + var globalScope = sharedUtil.globalScope; + var warn = sharedUtil.warn; + var FontFaceObject = displayFontLoader.FontFaceObject; + var FontLoader = displayFontLoader.FontLoader; + var CanvasGraphics = displayCanvas.CanvasGraphics; + var createScratchCanvas = displayCanvas.createScratchCanvas; + var Metadata = displayMetadata.Metadata; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + var DEFAULT_RANGE_CHUNK_SIZE = 65536; + // 2^16 = 65536 + var isWorkerDisabled = false; + var workerSrc; + var isPostMessageTransfersDisabled = false; + var fakeWorkerFilesLoader = null; + var useRequireEnsure = false; + /** + * Document initialization / loading parameters object. + * + * @typedef {Object} DocumentInitParameters + * @property {string} url - The URL of the PDF. + * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays + * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded, + * use atob() to convert it to a binary string first. + * @property {Object} httpHeaders - Basic authentication headers. + * @property {boolean} withCredentials - Indicates whether or not cross-site + * Access-Control requests should be made using credentials such as cookies + * or authorization headers. The default is false. + * @property {string} password - For decrypting password-protected PDFs. + * @property {TypedArray} initialData - A typed array with the first portion or + * all of the pdf data. Used by the extension since some data is already + * loaded before the switch to range requests. + * @property {number} length - The PDF file length. It's used for progress + * reports and range requests operations. + * @property {PDFDataRangeTransport} range + * @property {number} rangeChunkSize - Optional parameter to specify + * maximum number of bytes fetched per range request. The default value is + * 2^16 = 65536. + * @property {PDFWorker} worker - The worker that will be used for the loading + * and parsing of the PDF data. + * @property {string} docBaseUrl - (optional) The base URL of the document, + * used when attempting to recover valid absolute URLs for annotations, and + * outline items, that (incorrectly) only specify relative URLs. + */ + /** + * @typedef {Object} PDFDocumentStats + * @property {Array} streamTypes - Used stream types in the document (an item + * is set to true if specific stream ID was used in the document). + * @property {Array} fontTypes - Used font type in the document (an item is set + * to true if specific font ID was used in the document). + */ + /** + * This is the main entry point for loading a PDF and interacting with it. + * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR) + * is used, which means it must follow the same origin rules that any XHR does + * e.g. No cross domain requests without CORS. + * + * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src + * Can be a url to where a PDF is located, a typed array (Uint8Array) + * already populated with data or parameter object. + * + * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used + * if you want to manually serve range requests for data in the PDF. + * + * @param {function} passwordCallback (deprecated) It is used to request a + * password if wrong or no password was provided. The callback receives two + * parameters: function that needs to be called with new password and reason + * (see {PasswordResponses}). + * + * @param {function} progressCallback (deprecated) It is used to be able to + * monitor the loading progress of the PDF file (necessary to implement e.g. + * a loading bar). The callback receives an {Object} with the properties: + * {number} loaded and {number} total. + * + * @return {PDFDocumentLoadingTask} + */ + function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) { + var task = new PDFDocumentLoadingTask(); + // Support of the obsolete arguments (for compatibility with API v1.0) + if (arguments.length > 1) { + deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument'); + } + if (pdfDataRangeTransport) { + if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) { + // Not a PDFDataRangeTransport instance, trying to add missing properties. + pdfDataRangeTransport = Object.create(pdfDataRangeTransport); + pdfDataRangeTransport.length = src.length; + pdfDataRangeTransport.initialData = src.initialData; + if (!pdfDataRangeTransport.abort) { + pdfDataRangeTransport.abort = function () { + }; + } + } + src = Object.create(src); + src.range = pdfDataRangeTransport; + } + task.onPassword = passwordCallback || null; + task.onProgress = progressCallback || null; + var source; + if (typeof src === 'string') { + source = { url: src }; + } else if (isArrayBuffer(src)) { + source = { data: src }; + } else if (src instanceof PDFDataRangeTransport) { + source = { range: src }; + } else { + if (typeof src !== 'object') { + error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object'); + } + if (!src.url && !src.data && !src.range) { + error('Invalid parameter object: need either .data, .range or .url'); + } + source = src; + } + var params = {}; + var rangeTransport = null; + var worker = null; + for (var key in source) { + if (key === 'url' && typeof window !== 'undefined') { + // The full path is required in the 'url' field. + params[key] = new URL(source[key], window.location).href; + continue; + } else if (key === 'range') { + rangeTransport = source[key]; + continue; + } else if (key === 'worker') { + worker = source[key]; + continue; + } else if (key === 'data' && !(source[key] instanceof Uint8Array)) { + // Converting string or array-like data to Uint8Array. + var pdfBytes = source[key]; + if (typeof pdfBytes === 'string') { + params[key] = stringToBytes(pdfBytes); + } else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) { + params[key] = new Uint8Array(pdfBytes); + } else if (isArrayBuffer(pdfBytes)) { + params[key] = new Uint8Array(pdfBytes); + } else { + error('Invalid PDF binary data: either typed array, string or ' + 'array-like object is expected in the data property.'); + } + continue; + } + params[key] = source[key]; + } + params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; + if (!worker) { + // Worker was not provided -- creating and owning our own. + worker = new PDFWorker(); + task._worker = worker; + } + var docId = task.docId; + worker.promise.then(function () { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + var messageHandler = new MessageHandler(docId, workerId, worker.port); + var transport = new WorkerTransport(messageHandler, task, rangeTransport); + task._transport = transport; + messageHandler.send('Ready', null); + }); + }).catch(task._capability.reject); + return task; + } + /** + * Starts fetching of specified PDF document/data. + * @param {PDFWorker} worker + * @param {Object} source + * @param {PDFDataRangeTransport} pdfDataRangeTransport + * @param {string} docId Unique document id, used as MessageHandler id. + * @returns {Promise} The promise, which is resolved when worker id of + * MessageHandler is known. + * @private + */ + function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + if (worker.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + source.disableAutoFetch = getDefaultSetting('disableAutoFetch'); + source.disableStream = getDefaultSetting('disableStream'); + source.chunkedViewerLoading = !!pdfDataRangeTransport; + if (pdfDataRangeTransport) { + source.length = pdfDataRangeTransport.length; + source.initialData = pdfDataRangeTransport.initialData; + } + return worker.messageHandler.sendWithPromise('GetDocRequest', { + docId: docId, + source: source, + disableRange: getDefaultSetting('disableRange'), + maxImageSize: getDefaultSetting('maxImageSize'), + cMapUrl: getDefaultSetting('cMapUrl'), + cMapPacked: getDefaultSetting('cMapPacked'), + disableFontFace: getDefaultSetting('disableFontFace'), + disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'), + postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled, + docBaseUrl: source.docBaseUrl + }).then(function (workerId) { + if (worker.destroyed) { + throw new Error('Worker was destroyed'); + } + return workerId; + }); + } + /** + * PDF document loading operation. + * @class + * @alias PDFDocumentLoadingTask + */ + var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() { + var nextDocumentId = 0; + /** @constructs PDFDocumentLoadingTask */ + function PDFDocumentLoadingTask() { + this._capability = createPromiseCapability(); + this._transport = null; + this._worker = null; + /** + * Unique document loading task id -- used in MessageHandlers. + * @type {string} + */ + this.docId = 'd' + nextDocumentId++; + /** + * Shows if loading task is destroyed. + * @type {boolean} + */ + this.destroyed = false; + /** + * Callback to request a password if wrong or no password was provided. + * The callback receives two parameters: function that needs to be called + * with new password and reason (see {PasswordResponses}). + */ + this.onPassword = null; + /** + * Callback to be able to monitor the loading progress of the PDF file + * (necessary to implement e.g. a loading bar). The callback receives + * an {Object} with the properties: {number} loaded and {number} total. + */ + this.onProgress = null; + /** + * Callback to when unsupported feature is used. The callback receives + * an {UNSUPPORTED_FEATURES} argument. + */ + this.onUnsupportedFeature = null; + } + PDFDocumentLoadingTask.prototype = /** @lends PDFDocumentLoadingTask.prototype */ + { + /** + * @return {Promise} + */ + get promise() { + return this._capability.promise; + }, + /** + * Aborts all network requests and destroys worker. + * @return {Promise} A promise that is resolved after destruction activity + * is completed. + */ + destroy: function () { + this.destroyed = true; + var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy(); + return transportDestroyed.then(function () { + this._transport = null; + if (this._worker) { + this._worker.destroy(); + this._worker = null; + } + }.bind(this)); + }, + /** + * Registers callbacks to indicate the document loading completion. + * + * @param {function} onFulfilled The callback for the loading completion. + * @param {function} onRejected The callback for the loading failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + return PDFDocumentLoadingTask; + }(); + /** + * Abstract class to support range requests file loading. + * @class + * @alias PDFDataRangeTransport + * @param {number} length + * @param {Uint8Array} initialData + */ + var PDFDataRangeTransport = function pdfDataRangeTransportClosure() { + function PDFDataRangeTransport(length, initialData) { + this.length = length; + this.initialData = initialData; + this._rangeListeners = []; + this._progressListeners = []; + this._progressiveReadListeners = []; + this._readyCapability = createPromiseCapability(); + } + PDFDataRangeTransport.prototype = /** @lends PDFDataRangeTransport.prototype */ + { + addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) { + this._rangeListeners.push(listener); + }, + addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) { + this._progressListeners.push(listener); + }, + addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) { + this._progressiveReadListeners.push(listener); + }, + onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) { + var listeners = this._rangeListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](begin, chunk); + } + }, + onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) { + this._readyCapability.promise.then(function () { + var listeners = this._progressListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](loaded); + } + }.bind(this)); + }, + onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) { + this._readyCapability.promise.then(function () { + var listeners = this._progressiveReadListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](chunk); + } + }.bind(this)); + }, + transportReady: function PDFDataRangeTransport_transportReady() { + this._readyCapability.resolve(); + }, + requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) { + throw new Error('Abstract method PDFDataRangeTransport.requestDataRange'); + }, + abort: function PDFDataRangeTransport_abort() { + } + }; + return PDFDataRangeTransport; + }(); + /** + * Proxy to a PDFDocument in the worker thread. Also, contains commonly used + * properties that can be read synchronously. + * @class + * @alias PDFDocumentProxy + */ + var PDFDocumentProxy = function PDFDocumentProxyClosure() { + function PDFDocumentProxy(pdfInfo, transport, loadingTask) { + this.pdfInfo = pdfInfo; + this.transport = transport; + this.loadingTask = loadingTask; + } + PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ + { + /** + * @return {number} Total number of pages the PDF contains. + */ + get numPages() { + return this.pdfInfo.numPages; + }, + /** + * @return {string} A unique ID to identify a PDF. Not guaranteed to be + * unique. + */ + get fingerprint() { + return this.pdfInfo.fingerprint; + }, + /** + * @param {number} pageNumber The page number to get. The first page is 1. + * @return {Promise} A promise that is resolved with a {@link PDFPageProxy} + * object. + */ + getPage: function PDFDocumentProxy_getPage(pageNumber) { + return this.transport.getPage(pageNumber); + }, + /** + * @param {{num: number, gen: number}} ref The page reference. Must have + * the 'num' and 'gen' properties. + * @return {Promise} A promise that is resolved with the page index that is + * associated with the reference. + */ + getPageIndex: function PDFDocumentProxy_getPageIndex(ref) { + return this.transport.getPageIndex(ref); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named destinations to reference numbers. + * + * This can be slow for large documents: use getDestination instead + */ + getDestinations: function PDFDocumentProxy_getDestinations() { + return this.transport.getDestinations(); + }, + /** + * @param {string} id The named destination to get. + * @return {Promise} A promise that is resolved with all information + * of the given named destination. + */ + getDestination: function PDFDocumentProxy_getDestination(id) { + return this.transport.getDestination(id); + }, + /** + * @return {Promise} A promise that is resolved with: + * an Array containing the pageLabels that correspond to the pageIndexes, + * or `null` when no pageLabels are present in the PDF file. + */ + getPageLabels: function PDFDocumentProxy_getPageLabels() { + return this.transport.getPageLabels(); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named attachments to their content. + */ + getAttachments: function PDFDocumentProxy_getAttachments() { + return this.transport.getAttachments(); + }, + /** + * @return {Promise} A promise that is resolved with an array of all the + * JavaScript strings in the name tree. + */ + getJavaScript: function PDFDocumentProxy_getJavaScript() { + return this.transport.getJavaScript(); + }, + /** + * @return {Promise} A promise that is resolved with an {Array} that is a + * tree outline (if it has one) of the PDF. The tree is in the format of: + * [ + * { + * title: string, + * bold: boolean, + * italic: boolean, + * color: rgb Uint8Array, + * dest: dest obj, + * url: string, + * items: array of more items like this + * }, + * ... + * ]. + */ + getOutline: function PDFDocumentProxy_getOutline() { + return this.transport.getOutline(); + }, + /** + * @return {Promise} A promise that is resolved with an {Object} that has + * info and metadata properties. Info is an {Object} filled with anything + * available in the information dictionary and similarly metadata is a + * {Metadata} object with information from the metadata section of the PDF. + */ + getMetadata: function PDFDocumentProxy_getMetadata() { + return this.transport.getMetadata(); + }, + /** + * @return {Promise} A promise that is resolved with a TypedArray that has + * the raw data from the PDF. + */ + getData: function PDFDocumentProxy_getData() { + return this.transport.getData(); + }, + /** + * @return {Promise} A promise that is resolved when the document's data + * is loaded. It is resolved with an {Object} that contains the length + * property that indicates size of the PDF data in bytes. + */ + getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() { + return this.transport.downloadInfoCapability.promise; + }, + /** + * @return {Promise} A promise this is resolved with current stats about + * document structures (see {@link PDFDocumentStats}). + */ + getStats: function PDFDocumentProxy_getStats() { + return this.transport.getStats(); + }, + /** + * Cleans up resources allocated by the document, e.g. created @font-face. + */ + cleanup: function PDFDocumentProxy_cleanup() { + this.transport.startCleanup(); + }, + /** + * Destroys current document instance and terminates worker. + */ + destroy: function PDFDocumentProxy_destroy() { + return this.loadingTask.destroy(); + } + }; + return PDFDocumentProxy; + }(); + /** + * Page getTextContent parameters. + * + * @typedef {Object} getTextContentParameters + * @property {boolean} normalizeWhitespace - replaces all occurrences of + * whitespace with standard spaces (0x20). The default value is `false`. + * @property {boolean} disableCombineTextItems - do not attempt to combine + * same line {@link TextItem}'s. The default value is `false`. + */ + /** + * Page text content. + * + * @typedef {Object} TextContent + * @property {array} items - array of {@link TextItem} + * @property {Object} styles - {@link TextStyles} objects, indexed by font name. + */ + /** + * Page text content part. + * + * @typedef {Object} TextItem + * @property {string} str - text content. + * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'. + * @property {array} transform - transformation matrix. + * @property {number} width - width in device space. + * @property {number} height - height in device space. + * @property {string} fontName - font name used by pdf.js for converted font. + */ + /** + * Text style. + * + * @typedef {Object} TextStyle + * @property {number} ascent - font ascent. + * @property {number} descent - font descent. + * @property {boolean} vertical - text is in vertical mode. + * @property {string} fontFamily - possible font family + */ + /** + * Page annotation parameters. + * + * @typedef {Object} GetAnnotationsParameters + * @property {string} intent - Determines the annotations that will be fetched, + * can be either 'display' (viewable annotations) or 'print' + * (printable annotations). + * If the parameter is omitted, all annotations are fetched. + */ + /** + * Page render parameters. + * + * @typedef {Object} RenderParameters + * @property {Object} canvasContext - A 2D context of a DOM Canvas object. + * @property {PageViewport} viewport - Rendering viewport obtained by + * calling of PDFPage.getViewport method. + * @property {string} intent - Rendering intent, can be 'display' or 'print' + * (default value is 'display'). + * @property {boolean} renderInteractiveForms - (optional) Whether or not + * interactive form elements are rendered in the display + * layer. If so, we do not render them on canvas as well. + * @property {Array} transform - (optional) Additional transform, applied + * just before viewport transform. + * @property {Object} imageLayer - (optional) An object that has beginLayout, + * endLayout and appendImage functions. + * @property {function} continueCallback - (deprecated) A function that will be + * called each time the rendering is paused. To continue + * rendering call the function that is the first argument + * to the callback. + */ + /** + * PDF page operator list. + * + * @typedef {Object} PDFOperatorList + * @property {Array} fnArray - Array containing the operator functions. + * @property {Array} argsArray - Array containing the arguments of the + * functions. + */ + /** + * Proxy to a PDFPage in the worker thread. + * @class + * @alias PDFPageProxy + */ + var PDFPageProxy = function PDFPageProxyClosure() { + function PDFPageProxy(pageIndex, pageInfo, transport) { + this.pageIndex = pageIndex; + this.pageInfo = pageInfo; + this.transport = transport; + this.stats = new StatTimer(); + this.stats.enabled = getDefaultSetting('enableStats'); + this.commonObjs = transport.commonObjs; + this.objs = new PDFObjects(); + this.cleanupAfterRender = false; + this.pendingCleanup = false; + this.intentStates = Object.create(null); + this.destroyed = false; + } + PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ + { + /** + * @return {number} Page number of the page. First page is 1. + */ + get pageNumber() { + return this.pageIndex + 1; + }, + /** + * @return {number} The number of degrees the page is rotated clockwise. + */ + get rotate() { + return this.pageInfo.rotate; + }, + /** + * @return {Object} The reference that points to this page. It has 'num' and + * 'gen' properties. + */ + get ref() { + return this.pageInfo.ref; + }, + /** + * @return {Array} An array of the visible portion of the PDF page in the + * user space units - [x1, y1, x2, y2]. + */ + get view() { + return this.pageInfo.view; + }, + /** + * @param {number} scale The desired scale of the viewport. + * @param {number} rotate Degrees to rotate the viewport. If omitted this + * defaults to the page rotation. + * @return {PageViewport} Contains 'width' and 'height' properties + * along with transforms required for rendering. + */ + getViewport: function PDFPageProxy_getViewport(scale, rotate) { + if (arguments.length < 2) { + rotate = this.rotate; + } + return new PageViewport(this.view, scale, rotate, 0, 0); + }, + /** + * @param {GetAnnotationsParameters} params - Annotation parameters. + * @return {Promise} A promise that is resolved with an {Array} of the + * annotation objects. + */ + getAnnotations: function PDFPageProxy_getAnnotations(params) { + var intent = params && params.intent || null; + if (!this.annotationsPromise || this.annotationsIntent !== intent) { + this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent); + this.annotationsIntent = intent; + } + return this.annotationsPromise; + }, + /** + * Begins the process of rendering a page to the desired context. + * @param {RenderParameters} params Page render parameters. + * @return {RenderTask} An object that contains the promise, which + * is resolved when the page finishes rendering. + */ + render: function PDFPageProxy_render(params) { + var stats = this.stats; + stats.time('Overall'); + // If there was a pending destroy cancel it so no cleanup happens during + // this call to render. + this.pendingCleanup = false; + var renderingIntent = params.intent === 'print' ? 'print' : 'display'; + var renderInteractiveForms = params.renderInteractiveForms === true ? true : /* Default */ + false; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + // If there's no displayReadyCapability yet, then the operatorList + // was never requested before. Make the request and create the promise. + if (!intentState.displayReadyCapability) { + intentState.receivingOperatorList = true; + intentState.displayReadyCapability = createPromiseCapability(); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + this.stats.time('Page Request'); + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageNumber - 1, + intent: renderingIntent, + renderInteractiveForms: renderInteractiveForms + }); + } + var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber); + internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print'; + if (!intentState.renderTasks) { + intentState.renderTasks = []; + } + intentState.renderTasks.push(internalRenderTask); + var renderTask = internalRenderTask.task; + // Obsolete parameter support + if (params.continueCallback) { + deprecated('render is used with continueCallback parameter'); + renderTask.onContinue = params.continueCallback; + } + var self = this; + intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) { + if (self.pendingCleanup) { + complete(); + return; + } + stats.time('Rendering'); + internalRenderTask.initializeGraphics(transparency); + internalRenderTask.operatorListChanged(); + }, function pageDisplayReadPromiseError(reason) { + complete(reason); + }); + function complete(error) { + var i = intentState.renderTasks.indexOf(internalRenderTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + if (self.cleanupAfterRender) { + self.pendingCleanup = true; + } + self._tryCleanup(); + if (error) { + internalRenderTask.capability.reject(error); + } else { + internalRenderTask.capability.resolve(); + } + stats.timeEnd('Rendering'); + stats.timeEnd('Overall'); + } + return renderTask; + }, + /** + * @return {Promise} A promise resolved with an {@link PDFOperatorList} + * object that represents page's operator list. + */ + getOperatorList: function PDFPageProxy_getOperatorList() { + function operatorListChanged() { + if (intentState.operatorList.lastChunk) { + intentState.opListReadCapability.resolve(intentState.operatorList); + var i = intentState.renderTasks.indexOf(opListTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + } + } + var renderingIntent = 'oplist'; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + var opListTask; + if (!intentState.opListReadCapability) { + opListTask = {}; + opListTask.operatorListChanged = operatorListChanged; + intentState.receivingOperatorList = true; + intentState.opListReadCapability = createPromiseCapability(); + intentState.renderTasks = []; + intentState.renderTasks.push(opListTask); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageIndex, + intent: renderingIntent + }); + } + return intentState.opListReadCapability.promise; + }, + /** + * @param {getTextContentParameters} params - getTextContent parameters. + * @return {Promise} That is resolved a {@link TextContent} + * object that represent the page text content. + */ + getTextContent: function PDFPageProxy_getTextContent(params) { + return this.transport.messageHandler.sendWithPromise('GetTextContent', { + pageIndex: this.pageNumber - 1, + normalizeWhitespace: params && params.normalizeWhitespace === true ? true : /* Default */ + false, + combineTextItems: params && params.disableCombineTextItems === true ? false : /* Default */ + true + }); + }, + /** + * Destroys page object. + */ + _destroy: function PDFPageProxy_destroy() { + this.destroyed = true; + this.transport.pageCache[this.pageIndex] = null; + var waitOn = []; + Object.keys(this.intentStates).forEach(function (intent) { + if (intent === 'oplist') { + // Avoid errors below, since the renderTasks are just stubs. + return; + } + var intentState = this.intentStates[intent]; + intentState.renderTasks.forEach(function (renderTask) { + var renderCompleted = renderTask.capability.promise.catch(function () { + }); + // ignoring failures + waitOn.push(renderCompleted); + renderTask.cancel(); + }); + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + return Promise.all(waitOn); + }, + /** + * Cleans up resources allocated by the page. (deprecated) + */ + destroy: function () { + deprecated('page destroy method, use cleanup() instead'); + this.cleanup(); + }, + /** + * Cleans up resources allocated by the page. + */ + cleanup: function PDFPageProxy_cleanup() { + this.pendingCleanup = true; + this._tryCleanup(); + }, + /** + * For internal use only. Attempts to clean up if rendering is in a state + * where that's possible. + * @ignore + */ + _tryCleanup: function PDFPageProxy_tryCleanup() { + if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) { + var intentState = this.intentStates[intent]; + return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList; + }, this)) { + return; + } + Object.keys(this.intentStates).forEach(function (intent) { + delete this.intentStates[intent]; + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + }, + /** + * For internal use only. + * @ignore + */ + _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) { + var intentState = this.intentStates[intent]; + // TODO Refactor RenderPageRequest to separate rendering + // and operator list logic + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.resolve(transparency); + } + }, + /** + * For internal use only. + * @ignore + */ + _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) { + var intentState = this.intentStates[intent]; + var i, ii; + // Add the new chunk to the current operator list. + for (i = 0, ii = operatorListChunk.length; i < ii; i++) { + intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); + intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]); + } + intentState.operatorList.lastChunk = operatorListChunk.lastChunk; + // Notify all the rendering tasks there are more operators to be consumed. + for (i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + if (operatorListChunk.lastChunk) { + intentState.receivingOperatorList = false; + this._tryCleanup(); + } + } + }; + return PDFPageProxy; + }(); + /** + * PDF.js web worker abstraction, it controls instantiation of PDF documents and + * WorkerTransport for them. If creation of a web worker is not possible, + * a "fake" worker will be used instead. + * @class + */ + var PDFWorker = function PDFWorkerClosure() { + var nextFakeWorkerId = 0; + function getWorkerSrc() { + if (typeof workerSrc !== 'undefined') { + return workerSrc; + } + if (getDefaultSetting('workerSrc')) { + return getDefaultSetting('workerSrc'); + } + error('No PDFJS.workerSrc specified'); + } + var fakeWorkerFilesLoadedCapability; + // Loads worker code into main thread. + function setupFakeWorkerGlobal() { + var WorkerMessageHandler; + if (fakeWorkerFilesLoadedCapability) { + return fakeWorkerFilesLoadedCapability.promise; + } + fakeWorkerFilesLoadedCapability = createPromiseCapability(); + var loader = fakeWorkerFilesLoader || function (callback) { + Util.loadScript(getWorkerSrc(), function () { + callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler); + }); + }; + loader(fakeWorkerFilesLoadedCapability.resolve); + return fakeWorkerFilesLoadedCapability.promise; + } + function FakeWorkerPort(defer) { + this._listeners = []; + this._defer = defer; + this._deferred = Promise.resolve(undefined); + } + FakeWorkerPort.prototype = { + postMessage: function (obj, transfers) { + function cloneValue(value) { + // Trying to perform a structured clone close to the spec, including + // transfers. + if (typeof value !== 'object' || value === null) { + return value; + } + if (cloned.has(value)) { + // already cloned the object + return cloned.get(value); + } + var result; + var buffer; + if ((buffer = value.buffer) && isArrayBuffer(buffer)) { + // We found object with ArrayBuffer (typed array). + var transferable = transfers && transfers.indexOf(buffer) >= 0; + if (value === buffer) { + // Special case when we are faking typed arrays in compatibility.js. + result = value; + } else if (transferable) { + result = new value.constructor(buffer, value.byteOffset, value.byteLength); + } else { + result = new value.constructor(value); + } + cloned.set(value, result); + return result; + } + result = isArray(value) ? [] : {}; + cloned.set(value, result); + // adding to cache now for cyclic references + // Cloning all value and object properties, however ignoring properties + // defined via getter. + for (var i in value) { + var desc, p = value; + while (!(desc = Object.getOwnPropertyDescriptor(p, i))) { + p = Object.getPrototypeOf(p); + } + if (typeof desc.value === 'undefined' || typeof desc.value === 'function') { + continue; + } + result[i] = cloneValue(desc.value); + } + return result; + } + if (!this._defer) { + this._listeners.forEach(function (listener) { + listener.call(this, { data: obj }); + }, this); + return; + } + var cloned = new WeakMap(); + var e = { data: cloneValue(obj) }; + this._deferred.then(function () { + this._listeners.forEach(function (listener) { + listener.call(this, e); + }, this); + }.bind(this)); + }, + addEventListener: function (name, listener) { + this._listeners.push(listener); + }, + removeEventListener: function (name, listener) { + var i = this._listeners.indexOf(listener); + this._listeners.splice(i, 1); + }, + terminate: function () { + this._listeners = []; + } + }; + function createCDNWrapper(url) { + // We will rely on blob URL's property to specify origin. + // We want this function to fail in case if createObjectURL or Blob do not + // exist or fail for some reason -- our Worker creation will fail anyway. + var wrapper = 'importScripts(\'' + url + '\');'; + return URL.createObjectURL(new Blob([wrapper])); + } + function PDFWorker(name) { + this.name = name; + this.destroyed = false; + this._readyCapability = createPromiseCapability(); + this._port = null; + this._webWorker = null; + this._messageHandler = null; + this._initialize(); + } + PDFWorker.prototype = /** @lends PDFWorker.prototype */ + { + get promise() { + return this._readyCapability.promise; + }, + get port() { + return this._port; + }, + get messageHandler() { + return this._messageHandler; + }, + _initialize: function PDFWorker_initialize() { + // If worker support isn't disabled explicit and the browser has worker + // support, create a new web worker and test if it/the browser fulfills + // all requirements to run parts of pdf.js in a web worker. + // Right now, the requirement is, that an Uint8Array is still an + // Uint8Array as it arrives on the worker. (Chrome added this with v.15.) + if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') { + var workerSrc = getWorkerSrc(); + try { + // Some versions of FF can't create a worker on localhost, see: + // https://bugzilla.mozilla.org/show_bug.cgi?id=683280 + var worker = new Worker(workerSrc); + var messageHandler = new MessageHandler('main', 'worker', worker); + var terminateEarly = function () { + worker.removeEventListener('error', onWorkerError); + messageHandler.destroy(); + worker.terminate(); + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + } else { + // Fall back to fake worker if the termination is caused by an + // error (e.g. NetworkError / SecurityError). + this._setupFakeWorker(); + } + }.bind(this); + var onWorkerError = function (event) { + if (!this._webWorker) { + // Worker failed to initialize due to an error. Clean up and fall + // back to the fake worker. + terminateEarly(); + } + }.bind(this); + worker.addEventListener('error', onWorkerError); + messageHandler.on('test', function PDFWorker_test(data) { + worker.removeEventListener('error', onWorkerError); + if (this.destroyed) { + terminateEarly(); + return; + } + // worker was destroyed + var supportTypedArray = data && data.supportTypedArray; + if (supportTypedArray) { + this._messageHandler = messageHandler; + this._port = worker; + this._webWorker = worker; + if (!data.supportTransfers) { + isPostMessageTransfersDisabled = true; + } + this._readyCapability.resolve(); + // Send global setting, e.g. verbosity level. + messageHandler.send('configure', { verbosity: getVerbosityLevel() }); + } else { + this._setupFakeWorker(); + messageHandler.destroy(); + worker.terminate(); + } + }.bind(this)); + messageHandler.on('console_log', function (data) { + console.log.apply(console, data); + }); + messageHandler.on('console_error', function (data) { + console.error.apply(console, data); + }); + messageHandler.on('ready', function (data) { + worker.removeEventListener('error', onWorkerError); + if (this.destroyed) { + terminateEarly(); + return; + } + // worker was destroyed + try { + sendTest(); + } catch (e) { + // We need fallback to a faked worker. + this._setupFakeWorker(); + } + }.bind(this)); + var sendTest = function () { + var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled; + var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]); + // Some versions of Opera throw a DATA_CLONE_ERR on serializing the + // typed array. Also, checking if we can use transfers. + try { + messageHandler.send('test', testObj, [testObj.buffer]); + } catch (ex) { + info('Cannot use postMessage transfers'); + testObj[0] = 0; + messageHandler.send('test', testObj); + } + }; + // It might take time for worker to initialize (especially when AMD + // loader is used). We will try to send test immediately, and then + // when 'ready' message will arrive. The worker shall process only + // first received 'test'. + sendTest(); + return; + } catch (e) { + info('The worker has been disabled.'); + } + } + // Either workers are disabled, not supported or have thrown an exception. + // Thus, we fallback to a faked worker. + this._setupFakeWorker(); + }, + _setupFakeWorker: function PDFWorker_setupFakeWorker() { + if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) { + warn('Setting up fake worker.'); + isWorkerDisabled = true; + } + setupFakeWorkerGlobal().then(function (WorkerMessageHandler) { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + return; + } + // We cannot turn on proper fake port simulation (this includes + // structured cloning) when typed arrays are not supported. Relying + // on a chance that messages will be sent in proper order. + var isTypedArraysPresent = Uint8Array !== Float32Array; + var port = new FakeWorkerPort(isTypedArraysPresent); + this._port = port; + // All fake workers use the same port, making id unique. + var id = 'fake' + nextFakeWorkerId++; + // If the main thread is our worker, setup the handling for the + // messages -- the main thread sends to it self. + var workerHandler = new MessageHandler(id + '_worker', id, port); + WorkerMessageHandler.setup(workerHandler, port); + var messageHandler = new MessageHandler(id, id + '_worker', port); + this._messageHandler = messageHandler; + this._readyCapability.resolve(); + }.bind(this)); + }, + /** + * Destroys the worker instance. + */ + destroy: function PDFWorker_destroy() { + this.destroyed = true; + if (this._webWorker) { + // We need to terminate only web worker created resource. + this._webWorker.terminate(); + this._webWorker = null; + } + this._port = null; + if (this._messageHandler) { + this._messageHandler.destroy(); + this._messageHandler = null; + } + } + }; + return PDFWorker; + }(); + /** + * For internal use only. + * @ignore + */ + var WorkerTransport = function WorkerTransportClosure() { + function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) { + this.messageHandler = messageHandler; + this.loadingTask = loadingTask; + this.pdfDataRangeTransport = pdfDataRangeTransport; + this.commonObjs = new PDFObjects(); + this.fontLoader = new FontLoader(loadingTask.docId); + this.destroyed = false; + this.destroyCapability = null; + this.pageCache = []; + this.pagePromises = []; + this.downloadInfoCapability = createPromiseCapability(); + this.setupMessageHandler(); + } + WorkerTransport.prototype = { + destroy: function WorkerTransport_destroy() { + if (this.destroyCapability) { + return this.destroyCapability.promise; + } + this.destroyed = true; + this.destroyCapability = createPromiseCapability(); + var waitOn = []; + // We need to wait for all renderings to be completed, e.g. + // timeout/rAF can take a long time. + this.pageCache.forEach(function (page) { + if (page) { + waitOn.push(page._destroy()); + } + }); + this.pageCache = []; + this.pagePromises = []; + var self = this; + // We also need to wait for the worker to finish its long running tasks. + var terminated = this.messageHandler.sendWithPromise('Terminate', null); + waitOn.push(terminated); + Promise.all(waitOn).then(function () { + self.fontLoader.clear(); + if (self.pdfDataRangeTransport) { + self.pdfDataRangeTransport.abort(); + self.pdfDataRangeTransport = null; + } + if (self.messageHandler) { + self.messageHandler.destroy(); + self.messageHandler = null; + } + self.destroyCapability.resolve(); + }, this.destroyCapability.reject); + return this.destroyCapability.promise; + }, + setupMessageHandler: function WorkerTransport_setupMessageHandler() { + var messageHandler = this.messageHandler; + function updatePassword(password) { + messageHandler.send('UpdatePassword', password); + } + var pdfDataRangeTransport = this.pdfDataRangeTransport; + if (pdfDataRangeTransport) { + pdfDataRangeTransport.addRangeListener(function (begin, chunk) { + messageHandler.send('OnDataRange', { + begin: begin, + chunk: chunk + }); + }); + pdfDataRangeTransport.addProgressListener(function (loaded) { + messageHandler.send('OnDataProgress', { loaded: loaded }); + }); + pdfDataRangeTransport.addProgressiveReadListener(function (chunk) { + messageHandler.send('OnDataRange', { chunk: chunk }); + }); + messageHandler.on('RequestDataRange', function transportDataRange(data) { + pdfDataRangeTransport.requestDataRange(data.begin, data.end); + }, this); + } + messageHandler.on('GetDoc', function transportDoc(data) { + var pdfInfo = data.pdfInfo; + this.numPages = data.pdfInfo.numPages; + var loadingTask = this.loadingTask; + var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask); + this.pdfDocument = pdfDocument; + loadingTask._capability.resolve(pdfDocument); + }, this); + messageHandler.on('NeedPassword', function transportNeedPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, PasswordResponses.NEED_PASSWORD); + } + loadingTask._capability.reject(new PasswordException(exception.message, exception.code)); + }, this); + messageHandler.on('IncorrectPassword', function transportIncorrectPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, PasswordResponses.INCORRECT_PASSWORD); + } + loadingTask._capability.reject(new PasswordException(exception.message, exception.code)); + }, this); + messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) { + this.loadingTask._capability.reject(new InvalidPDFException(exception.message)); + }, this); + messageHandler.on('MissingPDF', function transportMissingPDF(exception) { + this.loadingTask._capability.reject(new MissingPDFException(exception.message)); + }, this); + messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) { + this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status)); + }, this); + messageHandler.on('UnknownError', function transportUnknownError(exception) { + this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details)); + }, this); + messageHandler.on('DataLoaded', function transportPage(data) { + this.downloadInfoCapability.resolve(data); + }, this); + messageHandler.on('PDFManagerReady', function transportPage(data) { + if (this.pdfDataRangeTransport) { + this.pdfDataRangeTransport.transportReady(); + } + }, this); + messageHandler.on('StartRenderPage', function transportRender(data) { + if (this.destroyed) { + return; + } + // Ignore any pending requests if the worker was terminated. + var page = this.pageCache[data.pageIndex]; + page.stats.timeEnd('Page Request'); + page._startRenderPage(data.transparency, data.intent); + }, this); + messageHandler.on('RenderPageChunk', function transportRender(data) { + if (this.destroyed) { + return; + } + // Ignore any pending requests if the worker was terminated. + var page = this.pageCache[data.pageIndex]; + page._renderPageChunk(data.operatorList, data.intent); + }, this); + messageHandler.on('commonobj', function transportObj(data) { + if (this.destroyed) { + return; + } + // Ignore any pending requests if the worker was terminated. + var id = data[0]; + var type = data[1]; + if (this.commonObjs.hasData(id)) { + return; + } + switch (type) { + case 'Font': + var exportedData = data[2]; + if ('error' in exportedData) { + var exportedError = exportedData.error; + warn('Error during font loading: ' + exportedError); + this.commonObjs.resolve(id, exportedError); + break; + } + var fontRegistry = null; + if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) { + fontRegistry = { + registerFont: function (font, url) { + globalScope['FontInspector'].fontAdded(font, url); + } + }; + } + var font = new FontFaceObject(exportedData, { + isEvalSuported: getDefaultSetting('isEvalSupported'), + disableFontFace: getDefaultSetting('disableFontFace'), + fontRegistry: fontRegistry + }); + this.fontLoader.bind([font], function fontReady(fontObjs) { + this.commonObjs.resolve(id, font); + }.bind(this)); + break; + case 'FontPath': + this.commonObjs.resolve(id, data[2]); + break; + default: + error('Got unknown common object type ' + type); + } + }, this); + messageHandler.on('obj', function transportObj(data) { + if (this.destroyed) { + return; + } + // Ignore any pending requests if the worker was terminated. + var id = data[0]; + var pageIndex = data[1]; + var type = data[2]; + var pageProxy = this.pageCache[pageIndex]; + var imageData; + if (pageProxy.objs.hasData(id)) { + return; + } + switch (type) { + case 'JpegStream': + imageData = data[3]; + loadJpegStream(id, imageData, pageProxy.objs); + break; + case 'Image': + imageData = data[3]; + pageProxy.objs.resolve(id, imageData); + // heuristics that will allow not to store large data + var MAX_IMAGE_SIZE_TO_STORE = 8000000; + if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { + pageProxy.cleanupAfterRender = true; + } + break; + default: + error('Got unknown object type ' + type); + } + }, this); + messageHandler.on('DocProgress', function transportDocProgress(data) { + if (this.destroyed) { + return; + } + // Ignore any pending requests if the worker was terminated. + var loadingTask = this.loadingTask; + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.loaded, + total: data.total + }); + } + }, this); + messageHandler.on('PageError', function transportError(data) { + if (this.destroyed) { + return; + } + // Ignore any pending requests if the worker was terminated. + var page = this.pageCache[data.pageNum - 1]; + var intentState = page.intentStates[data.intent]; + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.reject(data.error); + } else { + error(data.error); + } + if (intentState.operatorList) { + // Mark operator list as complete. + intentState.operatorList.lastChunk = true; + for (var i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + } + }, this); + messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) { + if (this.destroyed) { + return; + } + // Ignore any pending requests if the worker was terminated. + var featureId = data.featureId; + var loadingTask = this.loadingTask; + if (loadingTask.onUnsupportedFeature) { + loadingTask.onUnsupportedFeature(featureId); + } + _UnsupportedManager.notify(featureId); + }, this); + messageHandler.on('JpegDecode', function (data) { + if (this.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + var imageUrl = data[0]; + var components = data[1]; + if (components !== 3 && components !== 1) { + return Promise.reject(new Error('Only 3 components or 1 component can be returned')); + } + return new Promise(function (resolve, reject) { + var img = new Image(); + img.onload = function () { + var width = img.width; + var height = img.height; + var size = width * height; + var rgbaLength = size * 4; + var buf = new Uint8Array(size * components); + var tmpCanvas = createScratchCanvas(width, height); + var tmpCtx = tmpCanvas.getContext('2d'); + tmpCtx.drawImage(img, 0, 0); + var data = tmpCtx.getImageData(0, 0, width, height).data; + var i, j; + if (components === 3) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { + buf[j] = data[i]; + buf[j + 1] = data[i + 1]; + buf[j + 2] = data[i + 2]; + } + } else if (components === 1) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j++) { + buf[j] = data[i]; + } + } + resolve({ + data: buf, + width: width, + height: height + }); + }; + img.onerror = function () { + reject(new Error('JpegDecode failed to load image')); + }; + img.src = imageUrl; + }); + }, this); + }, + getData: function WorkerTransport_getData() { + return this.messageHandler.sendWithPromise('GetData', null); + }, + getPage: function WorkerTransport_getPage(pageNumber, capability) { + if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) { + return Promise.reject(new Error('Invalid page request')); + } + var pageIndex = pageNumber - 1; + if (pageIndex in this.pagePromises) { + return this.pagePromises[pageIndex]; + } + var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) { + if (this.destroyed) { + throw new Error('Transport destroyed'); + } + var page = new PDFPageProxy(pageIndex, pageInfo, this); + this.pageCache[pageIndex] = page; + return page; + }.bind(this)); + this.pagePromises[pageIndex] = promise; + return promise; + }, + getPageIndex: function WorkerTransport_getPageIndexByRef(ref) { + return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) { + return Promise.reject(new Error(reason)); + }); + }, + getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) { + return this.messageHandler.sendWithPromise('GetAnnotations', { + pageIndex: pageIndex, + intent: intent + }); + }, + getDestinations: function WorkerTransport_getDestinations() { + return this.messageHandler.sendWithPromise('GetDestinations', null); + }, + getDestination: function WorkerTransport_getDestination(id) { + return this.messageHandler.sendWithPromise('GetDestination', { id: id }); + }, + getPageLabels: function WorkerTransport_getPageLabels() { + return this.messageHandler.sendWithPromise('GetPageLabels', null); + }, + getAttachments: function WorkerTransport_getAttachments() { + return this.messageHandler.sendWithPromise('GetAttachments', null); + }, + getJavaScript: function WorkerTransport_getJavaScript() { + return this.messageHandler.sendWithPromise('GetJavaScript', null); + }, + getOutline: function WorkerTransport_getOutline() { + return this.messageHandler.sendWithPromise('GetOutline', null); + }, + getMetadata: function WorkerTransport_getMetadata() { + return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) { + return { + info: results[0], + metadata: results[1] ? new Metadata(results[1]) : null + }; + }); + }, + getStats: function WorkerTransport_getStats() { + return this.messageHandler.sendWithPromise('GetStats', null); + }, + startCleanup: function WorkerTransport_startCleanup() { + this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() { + for (var i = 0, ii = this.pageCache.length; i < ii; i++) { + var page = this.pageCache[i]; + if (page) { + page.cleanup(); + } + } + this.commonObjs.clear(); + this.fontLoader.clear(); + }.bind(this)); + } + }; + return WorkerTransport; + }(); + /** + * A PDF document and page is built of many objects. E.g. there are objects + * for fonts, images, rendering code and such. These objects might get processed + * inside of a worker. The `PDFObjects` implements some basic functions to + * manage these objects. + * @ignore + */ + var PDFObjects = function PDFObjectsClosure() { + function PDFObjects() { + this.objs = Object.create(null); + } + PDFObjects.prototype = { + /** + * Internal function. + * Ensures there is an object defined for `objId`. + */ + ensureObj: function PDFObjects_ensureObj(objId) { + if (this.objs[objId]) { + return this.objs[objId]; + } + var obj = { + capability: createPromiseCapability(), + data: null, + resolved: false + }; + this.objs[objId] = obj; + return obj; + }, + /** + * If called *without* callback, this returns the data of `objId` but the + * object needs to be resolved. If it isn't, this function throws. + * + * If called *with* a callback, the callback is called with the data of the + * object once the object is resolved. That means, if you call this + * function and the object is already resolved, the callback gets called + * right away. + */ + get: function PDFObjects_get(objId, callback) { + // If there is a callback, then the get can be async and the object is + // not required to be resolved right now + if (callback) { + this.ensureObj(objId).capability.promise.then(callback); + return null; + } + // If there isn't a callback, the user expects to get the resolved data + // directly. + var obj = this.objs[objId]; + // If there isn't an object yet or the object isn't resolved, then the + // data isn't ready yet! + if (!obj || !obj.resolved) { + error('Requesting object that isn\'t resolved yet ' + objId); + } + return obj.data; + }, + /** + * Resolves the object `objId` with optional `data`. + */ + resolve: function PDFObjects_resolve(objId, data) { + var obj = this.ensureObj(objId); + obj.resolved = true; + obj.data = data; + obj.capability.resolve(data); + }, + isResolved: function PDFObjects_isResolved(objId) { + var objs = this.objs; + if (!objs[objId]) { + return false; + } else { + return objs[objId].resolved; + } + }, + hasData: function PDFObjects_hasData(objId) { + return this.isResolved(objId); + }, + /** + * Returns the data of `objId` if object exists, null otherwise. + */ + getData: function PDFObjects_getData(objId) { + var objs = this.objs; + if (!objs[objId] || !objs[objId].resolved) { + return null; + } else { + return objs[objId].data; + } + }, + clear: function PDFObjects_clear() { + this.objs = Object.create(null); + } + }; + return PDFObjects; + }(); + /** + * Allows controlling of the rendering tasks. + * @class + * @alias RenderTask + */ + var RenderTask = function RenderTaskClosure() { + function RenderTask(internalRenderTask) { + this._internalRenderTask = internalRenderTask; + /** + * Callback for incremental rendering -- a function that will be called + * each time the rendering is paused. To continue rendering call the + * function that is the first argument to the callback. + * @type {function} + */ + this.onContinue = null; + } + RenderTask.prototype = /** @lends RenderTask.prototype */ + { + /** + * Promise for rendering task completion. + * @return {Promise} + */ + get promise() { + return this._internalRenderTask.capability.promise; + }, + /** + * Cancels the rendering task. If the task is currently rendering it will + * not be cancelled until graphics pauses with a timeout. The promise that + * this object extends will resolved when cancelled. + */ + cancel: function RenderTask_cancel() { + this._internalRenderTask.cancel(); + }, + /** + * Registers callbacks to indicate the rendering task completion. + * + * @param {function} onFulfilled The callback for the rendering completion. + * @param {function} onRejected The callback for the rendering failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function RenderTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + return RenderTask; + }(); + /** + * For internal use only. + * @ignore + */ + var InternalRenderTask = function InternalRenderTaskClosure() { + function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber) { + this.callback = callback; + this.params = params; + this.objs = objs; + this.commonObjs = commonObjs; + this.operatorListIdx = null; + this.operatorList = operatorList; + this.pageNumber = pageNumber; + this.running = false; + this.graphicsReadyCallback = null; + this.graphicsReady = false; + this.useRequestAnimationFrame = false; + this.cancelled = false; + this.capability = createPromiseCapability(); + this.task = new RenderTask(this); + // caching this-bound methods + this._continueBound = this._continue.bind(this); + this._scheduleNextBound = this._scheduleNext.bind(this); + this._nextBound = this._next.bind(this); + } + InternalRenderTask.prototype = { + initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) { + if (this.cancelled) { + return; + } + if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) { + this.stepper = globalScope.StepperManager.create(this.pageNumber - 1); + this.stepper.init(this.operatorList); + this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); + } + var params = this.params; + this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, params.imageLayer); + this.gfx.beginDrawing(params.transform, params.viewport, transparency); + this.operatorListIdx = 0; + this.graphicsReady = true; + if (this.graphicsReadyCallback) { + this.graphicsReadyCallback(); + } + }, + cancel: function InternalRenderTask_cancel() { + this.running = false; + this.cancelled = true; + this.callback('cancelled'); + }, + operatorListChanged: function InternalRenderTask_operatorListChanged() { + if (!this.graphicsReady) { + if (!this.graphicsReadyCallback) { + this.graphicsReadyCallback = this._continueBound; + } + return; + } + if (this.stepper) { + this.stepper.updateOperatorList(this.operatorList); + } + if (this.running) { + return; + } + this._continue(); + }, + _continue: function InternalRenderTask__continue() { + this.running = true; + if (this.cancelled) { + return; + } + if (this.task.onContinue) { + this.task.onContinue.call(this.task, this._scheduleNextBound); + } else { + this._scheduleNext(); + } + }, + _scheduleNext: function InternalRenderTask__scheduleNext() { + if (this.useRequestAnimationFrame && typeof window !== 'undefined') { + window.requestAnimationFrame(this._nextBound); + } else { + Promise.resolve(undefined).then(this._nextBound); + } + }, + _next: function InternalRenderTask__next() { + if (this.cancelled) { + return; + } + this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper); + if (this.operatorListIdx === this.operatorList.argsArray.length) { + this.running = false; + if (this.operatorList.lastChunk) { + this.gfx.endDrawing(); + this.callback(); + } + } + } + }; + return InternalRenderTask; + }(); + /** + * (Deprecated) Global observer of unsupported feature usages. Use + * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance. + */ + var _UnsupportedManager = function UnsupportedManagerClosure() { + var listeners = []; + return { + listen: function (cb) { + deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead'); + listeners.push(cb); + }, + notify: function (featureId) { + for (var i = 0, ii = listeners.length; i < ii; i++) { + listeners[i](featureId); + } + } + }; + }(); + if (typeof pdfjsVersion !== 'undefined') { + exports.version = pdfjsVersion; + } + if (typeof pdfjsBuild !== 'undefined') { + exports.build = pdfjsBuild; + } + exports.getDocument = getDocument; + exports.PDFDataRangeTransport = PDFDataRangeTransport; + exports.PDFWorker = PDFWorker; + exports.PDFDocumentProxy = PDFDocumentProxy; + exports.PDFPageProxy = PDFPageProxy; + exports._UnsupportedManager = _UnsupportedManager; + })); + (function (root, factory) { + factory(root.pdfjsDisplayGlobal = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayAPI, root.pdfjsDisplayAnnotationLayer, root.pdfjsDisplayTextLayer, root.pdfjsDisplayMetadata, root.pdfjsDisplaySVG); + }(this, function (exports, sharedUtil, displayDOMUtils, displayAPI, displayAnnotationLayer, displayTextLayer, displayMetadata, displaySVG) { + var globalScope = sharedUtil.globalScope; + var deprecated = sharedUtil.deprecated; + var warn = sharedUtil.warn; + var LinkTarget = displayDOMUtils.LinkTarget; + var isWorker = typeof window === 'undefined'; + // The global PDFJS object is now deprecated and will not be supported in + // the future. The members below are maintained for backward compatibility + // and shall not be extended or modified. If the global.js is included as + // a module, we will create a global PDFJS object instance or use existing. + if (!globalScope.PDFJS) { + globalScope.PDFJS = {}; + } + var PDFJS = globalScope.PDFJS; + if (typeof pdfjsVersion !== 'undefined') { + PDFJS.version = pdfjsVersion; + } + if (typeof pdfjsBuild !== 'undefined') { + PDFJS.build = pdfjsBuild; + } + PDFJS.pdfBug = false; + if (PDFJS.verbosity !== undefined) { + sharedUtil.setVerbosityLevel(PDFJS.verbosity); + } + delete PDFJS.verbosity; + Object.defineProperty(PDFJS, 'verbosity', { + get: function () { + return sharedUtil.getVerbosityLevel(); + }, + set: function (level) { + sharedUtil.setVerbosityLevel(level); + }, + enumerable: true, + configurable: true + }); + PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS; + PDFJS.OPS = sharedUtil.OPS; + PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; + PDFJS.isValidUrl = displayDOMUtils.isValidUrl; + PDFJS.shadow = sharedUtil.shadow; + PDFJS.createBlob = sharedUtil.createBlob; + PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) { + return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL); + }; + Object.defineProperty(PDFJS, 'isLittleEndian', { + configurable: true, + get: function PDFJS_isLittleEndian() { + var value = sharedUtil.isLittleEndian(); + return sharedUtil.shadow(PDFJS, 'isLittleEndian', value); + } + }); + PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters; + PDFJS.PasswordResponses = sharedUtil.PasswordResponses; + PDFJS.PasswordException = sharedUtil.PasswordException; + PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException; + PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException; + PDFJS.MissingPDFException = sharedUtil.MissingPDFException; + PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + PDFJS.Util = sharedUtil.Util; + PDFJS.PageViewport = sharedUtil.PageViewport; + PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability; + /** + * The maximum allowed image size in total pixels e.g. width * height. Images + * above this value will not be drawn. Use -1 for no limit. + * @var {number} + */ + PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize; + /** + * The url of where the predefined Adobe CMaps are located. Include trailing + * slash. + * @var {string} + */ + PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl; + /** + * Specifies if CMaps are binary packed. + * @var {boolean} + */ + PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked; + /** + * By default fonts are converted to OpenType fonts and loaded via font face + * rules. If disabled, the font will be rendered using a built in font + * renderer that constructs the glyphs with primitive path commands. + * @var {boolean} + */ + PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace; + /** + * Path for image resources, mainly for annotation icons. Include trailing + * slash. + * @var {string} + */ + PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath; + /** + * Disable the web worker and run all code on the main thread. This will + * happen automatically if the browser doesn't support workers or sending + * typed arrays to workers. + * @var {boolean} + */ + PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker; + /** + * Path and filename of the worker file. Required when the worker is enabled + * in development mode. If unspecified in the production build, the worker + * will be loaded based on the location of the pdf.js file. It is recommended + * that the workerSrc is set in a custom application to prevent issues caused + * by third-party frameworks and libraries. + * @var {string} + */ + PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc; + /** + * Disable range request loading of PDF files. When enabled and if the server + * supports partial content requests then the PDF will be fetched in chunks. + * Enabled (false) by default. + * @var {boolean} + */ + PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange; + /** + * Disable streaming of PDF file data. By default PDF.js attempts to load PDF + * in chunks. This default behavior can be disabled. + * @var {boolean} + */ + PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream; + /** + * Disable pre-fetching of PDF file data. When range requests are enabled + * PDF.js will automatically keep fetching more data even if it isn't needed + * to display the current page. This default behavior can be disabled. + * + * NOTE: It is also necessary to disable streaming, see above, + * in order for disabling of pre-fetching to work correctly. + * @var {boolean} + */ + PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch; + /** + * Enables special hooks for debugging PDF.js. + * @var {boolean} + */ + PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug; + /** + * Enables transfer usage in postMessage for ArrayBuffers. + * @var {boolean} + */ + PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers; + /** + * Disables URL.createObjectURL usage. + * @var {boolean} + */ + PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL; + /** + * Disables WebGL usage. + * @var {boolean} + */ + PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL; + /** + * Specifies the |target| attribute for external links. + * The constants from PDFJS.LinkTarget should be used: + * - NONE [default] + * - SELF + * - BLANK + * - PARENT + * - TOP + * @var {number} + */ + PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget; + /** + * Specifies the |rel| attribute for external links. Defaults to stripping + * the referrer. + * @var {string} + */ + PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? 'noreferrer' : PDFJS.externalLinkRel; + /** + * Determines if we can eval strings as JS. Primarily used to improve + * performance for font rendering. + * @var {boolean} + */ + PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported; + PDFJS.getDocument = displayAPI.getDocument; + PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport; + PDFJS.PDFWorker = displayAPI.PDFWorker; + Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { + configurable: true, + get: function PDFJS_hasCanvasTypedArrays() { + var value = displayDOMUtils.hasCanvasTypedArrays(); + return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value); + } + }); + PDFJS.CustomStyle = displayDOMUtils.CustomStyle; + PDFJS.LinkTarget = LinkTarget; + PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes; + PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl; + PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet; + PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer; + PDFJS.renderTextLayer = displayTextLayer.renderTextLayer; + PDFJS.Metadata = displayMetadata.Metadata; + PDFJS.SVGGraphics = displaySVG.SVGGraphics; + PDFJS.UnsupportedManager = displayAPI._UnsupportedManager; + exports.globalScope = globalScope; + exports.isWorker = isWorker; + exports.PDFJS = globalScope.PDFJS; + })); + }.call(pdfjsLibs)); + exports.PDFJS = pdfjsLibs.pdfjsDisplayGlobal.PDFJS; + exports.build = pdfjsLibs.pdfjsDisplayAPI.build; + exports.version = pdfjsLibs.pdfjsDisplayAPI.version; + exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument; + exports.PDFDataRangeTransport = pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport; + exports.PDFWorker = pdfjsLibs.pdfjsDisplayAPI.PDFWorker; + exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer; + exports.AnnotationLayer = pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer; + exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle; + exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses; + exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException; + exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException; + exports.SVGGraphics = pdfjsLibs.pdfjsDisplaySVG.SVGGraphics; + exports.UnexpectedResponseException = pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException; + exports.OPS = pdfjsLibs.pdfjsSharedUtil.OPS; + exports.UNSUPPORTED_FEATURES = pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES; + exports.isValidUrl = pdfjsLibs.pdfjsDisplayDOMUtils.isValidUrl; + exports.createValidAbsoluteUrl = pdfjsLibs.pdfjsSharedUtil.createValidAbsoluteUrl; + exports.createObjectURL = pdfjsLibs.pdfjsSharedUtil.createObjectURL; + exports.removeNullCharacters = pdfjsLibs.pdfjsSharedUtil.removeNullCharacters; + exports.shadow = pdfjsLibs.pdfjsSharedUtil.shadow; + exports.createBlob = pdfjsLibs.pdfjsSharedUtil.createBlob; + exports.getFilenameFromUrl = pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl; + exports.addLinkAttributes = pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes; +}));
\ No newline at end of file diff --git a/browser/extensions/pdfjs/content/build/pdf.worker.js b/browser/extensions/pdfjs/content/build/pdf.worker.js new file mode 100644 index 000000000..4c35bd401 --- /dev/null +++ b/browser/extensions/pdfjs/content/build/pdf.worker.js @@ -0,0 +1,52491 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +(function (root, factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { + define('pdfjs-dist/build/pdf.worker', ['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { + factory(root['pdfjsDistBuildPdfWorker'] = {}); + } +}(this, function (exports) { + // Use strict in our context only - users might not want it + 'use strict'; + var pdfjsVersion = '1.6.315'; + var pdfjsBuild = 'a139c75'; + var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null; + var pdfjsLibs = {}; + (function pdfjsWrapper() { + (function (root, factory) { + factory(root.pdfjsCoreArithmeticDecoder = {}); + }(this, function (exports) { + /* This class implements the QM Coder decoding as defined in + * JPEG 2000 Part I Final Committee Draft Version 1.0 + * Annex C.3 Arithmetic decoding procedure + * available at http://www.jpeg.org/public/fcd15444-1.pdf + * + * The arithmetic decoder is used in conjunction with context models to decode + * JPEG2000 and JBIG2 streams. + */ + var ArithmeticDecoder = function ArithmeticDecoderClosure() { + // Table C-2 + var QeTable = [ + { + qe: 0x5601, + nmps: 1, + nlps: 1, + switchFlag: 1 + }, + { + qe: 0x3401, + nmps: 2, + nlps: 6, + switchFlag: 0 + }, + { + qe: 0x1801, + nmps: 3, + nlps: 9, + switchFlag: 0 + }, + { + qe: 0x0AC1, + nmps: 4, + nlps: 12, + switchFlag: 0 + }, + { + qe: 0x0521, + nmps: 5, + nlps: 29, + switchFlag: 0 + }, + { + qe: 0x0221, + nmps: 38, + nlps: 33, + switchFlag: 0 + }, + { + qe: 0x5601, + nmps: 7, + nlps: 6, + switchFlag: 1 + }, + { + qe: 0x5401, + nmps: 8, + nlps: 14, + switchFlag: 0 + }, + { + qe: 0x4801, + nmps: 9, + nlps: 14, + switchFlag: 0 + }, + { + qe: 0x3801, + nmps: 10, + nlps: 14, + switchFlag: 0 + }, + { + qe: 0x3001, + nmps: 11, + nlps: 17, + switchFlag: 0 + }, + { + qe: 0x2401, + nmps: 12, + nlps: 18, + switchFlag: 0 + }, + { + qe: 0x1C01, + nmps: 13, + nlps: 20, + switchFlag: 0 + }, + { + qe: 0x1601, + nmps: 29, + nlps: 21, + switchFlag: 0 + }, + { + qe: 0x5601, + nmps: 15, + nlps: 14, + switchFlag: 1 + }, + { + qe: 0x5401, + nmps: 16, + nlps: 14, + switchFlag: 0 + }, + { + qe: 0x5101, + nmps: 17, + nlps: 15, + switchFlag: 0 + }, + { + qe: 0x4801, + nmps: 18, + nlps: 16, + switchFlag: 0 + }, + { + qe: 0x3801, + nmps: 19, + nlps: 17, + switchFlag: 0 + }, + { + qe: 0x3401, + nmps: 20, + nlps: 18, + switchFlag: 0 + }, + { + qe: 0x3001, + nmps: 21, + nlps: 19, + switchFlag: 0 + }, + { + qe: 0x2801, + nmps: 22, + nlps: 19, + switchFlag: 0 + }, + { + qe: 0x2401, + nmps: 23, + nlps: 20, + switchFlag: 0 + }, + { + qe: 0x2201, + nmps: 24, + nlps: 21, + switchFlag: 0 + }, + { + qe: 0x1C01, + nmps: 25, + nlps: 22, + switchFlag: 0 + }, + { + qe: 0x1801, + nmps: 26, + nlps: 23, + switchFlag: 0 + }, + { + qe: 0x1601, + nmps: 27, + nlps: 24, + switchFlag: 0 + }, + { + qe: 0x1401, + nmps: 28, + nlps: 25, + switchFlag: 0 + }, + { + qe: 0x1201, + nmps: 29, + nlps: 26, + switchFlag: 0 + }, + { + qe: 0x1101, + nmps: 30, + nlps: 27, + switchFlag: 0 + }, + { + qe: 0x0AC1, + nmps: 31, + nlps: 28, + switchFlag: 0 + }, + { + qe: 0x09C1, + nmps: 32, + nlps: 29, + switchFlag: 0 + }, + { + qe: 0x08A1, + nmps: 33, + nlps: 30, + switchFlag: 0 + }, + { + qe: 0x0521, + nmps: 34, + nlps: 31, + switchFlag: 0 + }, + { + qe: 0x0441, + nmps: 35, + nlps: 32, + switchFlag: 0 + }, + { + qe: 0x02A1, + nmps: 36, + nlps: 33, + switchFlag: 0 + }, + { + qe: 0x0221, + nmps: 37, + nlps: 34, + switchFlag: 0 + }, + { + qe: 0x0141, + nmps: 38, + nlps: 35, + switchFlag: 0 + }, + { + qe: 0x0111, + nmps: 39, + nlps: 36, + switchFlag: 0 + }, + { + qe: 0x0085, + nmps: 40, + nlps: 37, + switchFlag: 0 + }, + { + qe: 0x0049, + nmps: 41, + nlps: 38, + switchFlag: 0 + }, + { + qe: 0x0025, + nmps: 42, + nlps: 39, + switchFlag: 0 + }, + { + qe: 0x0015, + nmps: 43, + nlps: 40, + switchFlag: 0 + }, + { + qe: 0x0009, + nmps: 44, + nlps: 41, + switchFlag: 0 + }, + { + qe: 0x0005, + nmps: 45, + nlps: 42, + switchFlag: 0 + }, + { + qe: 0x0001, + nmps: 45, + nlps: 43, + switchFlag: 0 + }, + { + qe: 0x5601, + nmps: 46, + nlps: 46, + switchFlag: 0 + } + ]; + // C.3.5 Initialisation of the decoder (INITDEC) + function ArithmeticDecoder(data, start, end) { + this.data = data; + this.bp = start; + this.dataEnd = end; + this.chigh = data[start]; + this.clow = 0; + this.byteIn(); + this.chigh = this.chigh << 7 & 0xFFFF | this.clow >> 9 & 0x7F; + this.clow = this.clow << 7 & 0xFFFF; + this.ct -= 7; + this.a = 0x8000; + } + ArithmeticDecoder.prototype = { + // C.3.4 Compressed data input (BYTEIN) + byteIn: function ArithmeticDecoder_byteIn() { + var data = this.data; + var bp = this.bp; + if (data[bp] === 0xFF) { + var b1 = data[bp + 1]; + if (b1 > 0x8F) { + this.clow += 0xFF00; + this.ct = 8; + } else { + bp++; + this.clow += data[bp] << 9; + this.ct = 7; + this.bp = bp; + } + } else { + bp++; + this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xFF00; + this.ct = 8; + this.bp = bp; + } + if (this.clow > 0xFFFF) { + this.chigh += this.clow >> 16; + this.clow &= 0xFFFF; + } + }, + // C.3.2 Decoding a decision (DECODE) + readBit: function ArithmeticDecoder_readBit(contexts, pos) { + // contexts are packed into 1 byte: + // highest 7 bits carry cx.index, lowest bit carries cx.mps + var cx_index = contexts[pos] >> 1, cx_mps = contexts[pos] & 1; + var qeTableIcx = QeTable[cx_index]; + var qeIcx = qeTableIcx.qe; + var d; + var a = this.a - qeIcx; + if (this.chigh < qeIcx) { + // exchangeLps + if (a < qeIcx) { + a = qeIcx; + d = cx_mps; + cx_index = qeTableIcx.nmps; + } else { + a = qeIcx; + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; + } + cx_index = qeTableIcx.nlps; + } + } else { + this.chigh -= qeIcx; + if ((a & 0x8000) !== 0) { + this.a = a; + return cx_mps; + } + // exchangeMps + if (a < qeIcx) { + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; + } + cx_index = qeTableIcx.nlps; + } else { + d = cx_mps; + cx_index = qeTableIcx.nmps; + } + } + // C.3.3 renormD; + do { + if (this.ct === 0) { + this.byteIn(); + } + a <<= 1; + this.chigh = this.chigh << 1 & 0xFFFF | this.clow >> 15 & 1; + this.clow = this.clow << 1 & 0xFFFF; + this.ct--; + } while ((a & 0x8000) === 0); + this.a = a; + contexts[pos] = cx_index << 1 | cx_mps; + return d; + } + }; + return ArithmeticDecoder; + }(); + exports.ArithmeticDecoder = ArithmeticDecoder; + })); + (function (root, factory) { + factory(root.pdfjsCoreBidi = {}); + }(this, function (exports) { + // Character types for symbols from 0000 to 00FF. + var baseTypes = [ + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'S', + 'B', + 'S', + 'WS', + 'B', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'B', + 'B', + 'B', + 'S', + 'WS', + 'ON', + 'ON', + 'ET', + 'ET', + 'ET', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'CS', + 'ON', + 'CS', + 'ON', + 'EN', + 'EN', + 'EN', + 'EN', + 'EN', + 'EN', + 'EN', + 'EN', + 'EN', + 'EN', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'ON', + 'ON', + 'ON', + 'ON', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'B', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'BN', + 'CS', + 'ON', + 'ET', + 'ET', + 'ET', + 'ET', + 'ON', + 'ON', + 'ON', + 'ON', + 'L', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'ET', + 'ET', + 'EN', + 'EN', + 'ON', + 'L', + 'ON', + 'ON', + 'ON', + 'EN', + 'L', + 'ON', + 'ON', + 'ON', + 'ON', + 'ON', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'ON', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'ON', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L', + 'L' + ]; + // Character types for symbols from 0600 to 06FF + var arabicTypes = [ + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'CS', + 'AL', + 'ON', + 'ON', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AN', + 'AN', + 'AN', + 'AN', + 'AN', + 'AN', + 'AN', + 'AN', + 'AN', + 'AN', + 'ET', + 'AN', + 'AN', + 'AL', + 'AL', + 'AL', + 'NSM', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'ON', + 'NSM', + 'NSM', + 'NSM', + 'NSM', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL', + 'AL' + ]; + function isOdd(i) { + return (i & 1) !== 0; + } + function isEven(i) { + return (i & 1) === 0; + } + function findUnequal(arr, start, value) { + for (var j = start, jj = arr.length; j < jj; ++j) { + if (arr[j] !== value) { + return j; + } + } + return j; + } + function setValues(arr, start, end, value) { + for (var j = start; j < end; ++j) { + arr[j] = value; + } + } + function reverseValues(arr, start, end) { + for (var i = start, j = end - 1; i < j; ++i, --j) { + var temp = arr[i]; + arr[i] = arr[j]; + arr[j] = temp; + } + } + function createBidiText(str, isLTR, vertical) { + return { + str: str, + dir: vertical ? 'ttb' : isLTR ? 'ltr' : 'rtl' + }; + } + // These are used in bidi(), which is called frequently. We re-use them on + // each call to avoid unnecessary allocations. + var chars = []; + var types = []; + function bidi(str, startLevel, vertical) { + var isLTR = true; + var strLength = str.length; + if (strLength === 0 || vertical) { + return createBidiText(str, isLTR, vertical); + } + // Get types and fill arrays + chars.length = strLength; + types.length = strLength; + var numBidi = 0; + var i, ii; + for (i = 0; i < strLength; ++i) { + chars[i] = str.charAt(i); + var charCode = str.charCodeAt(i); + var charType = 'L'; + if (charCode <= 0x00ff) { + charType = baseTypes[charCode]; + } else if (0x0590 <= charCode && charCode <= 0x05f4) { + charType = 'R'; + } else if (0x0600 <= charCode && charCode <= 0x06ff) { + charType = arabicTypes[charCode & 0xff]; + } else if (0x0700 <= charCode && charCode <= 0x08AC) { + charType = 'AL'; + } + if (charType === 'R' || charType === 'AL' || charType === 'AN') { + numBidi++; + } + types[i] = charType; + } + // Detect the bidi method + // - If there are no rtl characters then no bidi needed + // - If less than 30% chars are rtl then string is primarily ltr + // - If more than 30% chars are rtl then string is primarily rtl + if (numBidi === 0) { + isLTR = true; + return createBidiText(str, isLTR); + } + if (startLevel === -1) { + if (strLength / numBidi < 0.3) { + isLTR = true; + startLevel = 0; + } else { + isLTR = false; + startLevel = 1; + } + } + var levels = []; + for (i = 0; i < strLength; ++i) { + levels[i] = startLevel; + } + /* + X1-X10: skip most of this, since we are NOT doing the embeddings. + */ + var e = isOdd(startLevel) ? 'R' : 'L'; + var sor = e; + var eor = sor; + /* + W1. Examine each non-spacing mark (NSM) in the level run, and change the + type of the NSM to the type of the previous character. If the NSM is at the + start of the level run, it will get the type of sor. + */ + var lastType = sor; + for (i = 0; i < strLength; ++i) { + if (types[i] === 'NSM') { + types[i] = lastType; + } else { + lastType = types[i]; + } + } + /* + W2. Search backwards from each instance of a European number until the + first strong type (R, L, AL, or sor) is found. If an AL is found, change + the type of the European number to Arabic number. + */ + lastType = sor; + var t; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = lastType === 'AL' ? 'AN' : 'EN'; + } else if (t === 'R' || t === 'L' || t === 'AL') { + lastType = t; + } + } + /* + W3. Change all ALs to R. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'AL') { + types[i] = 'R'; + } + } + /* + W4. A single European separator between two European numbers changes to a + European number. A single common separator between two numbers of the same + type changes to that type: + */ + for (i = 1; i < strLength - 1; ++i) { + if (types[i] === 'ES' && types[i - 1] === 'EN' && types[i + 1] === 'EN') { + types[i] = 'EN'; + } + if (types[i] === 'CS' && (types[i - 1] === 'EN' || types[i - 1] === 'AN') && types[i + 1] === types[i - 1]) { + types[i] = types[i - 1]; + } + } + /* + W5. A sequence of European terminators adjacent to European numbers changes + to all European numbers: + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'EN') { + // do before + var j; + for (j = i - 1; j >= 0; --j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + // do after + for (j = i + 1; j < strLength; ++j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + } + } + /* + W6. Otherwise, separators and terminators change to Other Neutral: + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'WS' || t === 'ES' || t === 'ET' || t === 'CS') { + types[i] = 'ON'; + } + } + /* + W7. Search backwards from each instance of a European number until the + first strong type (R, L, or sor) is found. If an L is found, then change + the type of the European number to L. + */ + lastType = sor; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = lastType === 'L' ? 'L' : 'EN'; + } else if (t === 'R' || t === 'L') { + lastType = t; + } + } + /* + N1. A sequence of neutrals takes the direction of the surrounding strong + text if the text on both sides has the same direction. European and Arabic + numbers are treated as though they were R. Start-of-level-run (sor) and + end-of-level-run (eor) are used at level run boundaries. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + var end = findUnequal(types, i + 1, 'ON'); + var before = sor; + if (i > 0) { + before = types[i - 1]; + } + var after = eor; + if (end + 1 < strLength) { + after = types[end + 1]; + } + if (before !== 'L') { + before = 'R'; + } + if (after !== 'L') { + after = 'R'; + } + if (before === after) { + setValues(types, i, end, before); + } + i = end - 1; + } + } + // reset to end (-1 so next iteration is ok) + /* + N2. Any remaining neutrals take the embedding direction. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + types[i] = e; + } + } + /* + I1. For all characters with an even (left-to-right) embedding direction, + those of type R go up one level and those of type AN or EN go up two + levels. + I2. For all characters with an odd (right-to-left) embedding direction, + those of type L, EN or AN go up one level. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (isEven(levels[i])) { + if (t === 'R') { + levels[i] += 1; + } else if (t === 'AN' || t === 'EN') { + levels[i] += 2; + } + } else { + // isOdd + if (t === 'L' || t === 'AN' || t === 'EN') { + levels[i] += 1; + } + } + } + /* + L1. On each line, reset the embedding level of the following characters to + the paragraph embedding level: + + segment separators, + paragraph separators, + any sequence of whitespace characters preceding a segment separator or + paragraph separator, and any sequence of white space characters at the end + of the line. + */ + // don't bother as text is only single line + /* + L2. From the highest level found in the text to the lowest odd level on + each line, reverse any contiguous sequence of characters that are at that + level or higher. + */ + // find highest level & lowest odd level + var highestLevel = -1; + var lowestOddLevel = 99; + var level; + for (i = 0, ii = levels.length; i < ii; ++i) { + level = levels[i]; + if (highestLevel < level) { + highestLevel = level; + } + if (lowestOddLevel > level && isOdd(level)) { + lowestOddLevel = level; + } + } + // now reverse between those limits + for (level = highestLevel; level >= lowestOddLevel; --level) { + // find segments to reverse + var start = -1; + for (i = 0, ii = levels.length; i < ii; ++i) { + if (levels[i] < level) { + if (start >= 0) { + reverseValues(chars, start, i); + start = -1; + } + } else if (start < 0) { + start = i; + } + } + if (start >= 0) { + reverseValues(chars, start, levels.length); + } + } + /* + L3. Combining marks applied to a right-to-left base character will at this + point precede their base character. If the rendering engine expects them to + follow the base characters in the final display process, then the ordering + of the marks and the base character must be reversed. + */ + // don't bother for now + /* + L4. A character that possesses the mirrored property as specified by + Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved + directionality of that character is R. + */ + // don't mirror as characters are already mirrored in the pdf + // Finally, return string + for (i = 0, ii = chars.length; i < ii; ++i) { + var ch = chars[i]; + if (ch === '<' || ch === '>') { + chars[i] = ''; + } + } + return createBidiText(chars.join(''), isLTR); + } + exports.bidi = bidi; + })); + (function (root, factory) { + factory(root.pdfjsCoreCharsets = {}); + }(this, function (exports) { + var ISOAdobeCharset = [ + '.notdef', + 'space', + 'exclam', + 'quotedbl', + 'numbersign', + 'dollar', + 'percent', + 'ampersand', + 'quoteright', + 'parenleft', + 'parenright', + 'asterisk', + 'plus', + 'comma', + 'hyphen', + 'period', + 'slash', + 'zero', + 'one', + 'two', + 'three', + 'four', + 'five', + 'six', + 'seven', + 'eight', + 'nine', + 'colon', + 'semicolon', + 'less', + 'equal', + 'greater', + 'question', + 'at', + 'A', + 'B', + 'C', + 'D', + 'E', + 'F', + 'G', + 'H', + 'I', + 'J', + 'K', + 'L', + 'M', + 'N', + 'O', + 'P', + 'Q', + 'R', + 'S', + 'T', + 'U', + 'V', + 'W', + 'X', + 'Y', + 'Z', + 'bracketleft', + 'backslash', + 'bracketright', + 'asciicircum', + 'underscore', + 'quoteleft', + 'a', + 'b', + 'c', + 'd', + 'e', + 'f', + 'g', + 'h', + 'i', + 'j', + 'k', + 'l', + 'm', + 'n', + 'o', + 'p', + 'q', + 'r', + 's', + 't', + 'u', + 'v', + 'w', + 'x', + 'y', + 'z', + 'braceleft', + 'bar', + 'braceright', + 'asciitilde', + 'exclamdown', + 'cent', + 'sterling', + 'fraction', + 'yen', + 'florin', + 'section', + 'currency', + 'quotesingle', + 'quotedblleft', + 'guillemotleft', + 'guilsinglleft', + 'guilsinglright', + 'fi', + 'fl', + 'endash', + 'dagger', + 'daggerdbl', + 'periodcentered', + 'paragraph', + 'bullet', + 'quotesinglbase', + 'quotedblbase', + 'quotedblright', + 'guillemotright', + 'ellipsis', + 'perthousand', + 'questiondown', + 'grave', + 'acute', + 'circumflex', + 'tilde', + 'macron', + 'breve', + 'dotaccent', + 'dieresis', + 'ring', + 'cedilla', + 'hungarumlaut', + 'ogonek', + 'caron', + 'emdash', + 'AE', + 'ordfeminine', + 'Lslash', + 'Oslash', + 'OE', + 'ordmasculine', + 'ae', + 'dotlessi', + 'lslash', + 'oslash', + 'oe', + 'germandbls', + 'onesuperior', + 'logicalnot', + 'mu', + 'trademark', + 'Eth', + 'onehalf', + 'plusminus', + 'Thorn', + 'onequarter', + 'divide', + 'brokenbar', + 'degree', + 'thorn', + 'threequarters', + 'twosuperior', + 'registered', + 'minus', + 'eth', + 'multiply', + 'threesuperior', + 'copyright', + 'Aacute', + 'Acircumflex', + 'Adieresis', + 'Agrave', + 'Aring', + 'Atilde', + 'Ccedilla', + 'Eacute', + 'Ecircumflex', + 'Edieresis', + 'Egrave', + 'Iacute', + 'Icircumflex', + 'Idieresis', + 'Igrave', + 'Ntilde', + 'Oacute', + 'Ocircumflex', + 'Odieresis', + 'Ograve', + 'Otilde', + 'Scaron', + 'Uacute', + 'Ucircumflex', + 'Udieresis', + 'Ugrave', + 'Yacute', + 'Ydieresis', + 'Zcaron', + 'aacute', + 'acircumflex', + 'adieresis', + 'agrave', + 'aring', + 'atilde', + 'ccedilla', + 'eacute', + 'ecircumflex', + 'edieresis', + 'egrave', + 'iacute', + 'icircumflex', + 'idieresis', + 'igrave', + 'ntilde', + 'oacute', + 'ocircumflex', + 'odieresis', + 'ograve', + 'otilde', + 'scaron', + 'uacute', + 'ucircumflex', + 'udieresis', + 'ugrave', + 'yacute', + 'ydieresis', + 'zcaron' + ]; + var ExpertCharset = [ + '.notdef', + 'space', + 'exclamsmall', + 'Hungarumlautsmall', + 'dollaroldstyle', + 'dollarsuperior', + 'ampersandsmall', + 'Acutesmall', + 'parenleftsuperior', + 'parenrightsuperior', + 'twodotenleader', + 'onedotenleader', + 'comma', + 'hyphen', + 'period', + 'fraction', + 'zerooldstyle', + 'oneoldstyle', + 'twooldstyle', + 'threeoldstyle', + 'fouroldstyle', + 'fiveoldstyle', + 'sixoldstyle', + 'sevenoldstyle', + 'eightoldstyle', + 'nineoldstyle', + 'colon', + 'semicolon', + 'commasuperior', + 'threequartersemdash', + 'periodsuperior', + 'questionsmall', + 'asuperior', + 'bsuperior', + 'centsuperior', + 'dsuperior', + 'esuperior', + 'isuperior', + 'lsuperior', + 'msuperior', + 'nsuperior', + 'osuperior', + 'rsuperior', + 'ssuperior', + 'tsuperior', + 'ff', + 'fi', + 'fl', + 'ffi', + 'ffl', + 'parenleftinferior', + 'parenrightinferior', + 'Circumflexsmall', + 'hyphensuperior', + 'Gravesmall', + 'Asmall', + 'Bsmall', + 'Csmall', + 'Dsmall', + 'Esmall', + 'Fsmall', + 'Gsmall', + 'Hsmall', + 'Ismall', + 'Jsmall', + 'Ksmall', + 'Lsmall', + 'Msmall', + 'Nsmall', + 'Osmall', + 'Psmall', + 'Qsmall', + 'Rsmall', + 'Ssmall', + 'Tsmall', + 'Usmall', + 'Vsmall', + 'Wsmall', + 'Xsmall', + 'Ysmall', + 'Zsmall', + 'colonmonetary', + 'onefitted', + 'rupiah', + 'Tildesmall', + 'exclamdownsmall', + 'centoldstyle', + 'Lslashsmall', + 'Scaronsmall', + 'Zcaronsmall', + 'Dieresissmall', + 'Brevesmall', + 'Caronsmall', + 'Dotaccentsmall', + 'Macronsmall', + 'figuredash', + 'hypheninferior', + 'Ogoneksmall', + 'Ringsmall', + 'Cedillasmall', + 'onequarter', + 'onehalf', + 'threequarters', + 'questiondownsmall', + 'oneeighth', + 'threeeighths', + 'fiveeighths', + 'seveneighths', + 'onethird', + 'twothirds', + 'zerosuperior', + 'onesuperior', + 'twosuperior', + 'threesuperior', + 'foursuperior', + 'fivesuperior', + 'sixsuperior', + 'sevensuperior', + 'eightsuperior', + 'ninesuperior', + 'zeroinferior', + 'oneinferior', + 'twoinferior', + 'threeinferior', + 'fourinferior', + 'fiveinferior', + 'sixinferior', + 'seveninferior', + 'eightinferior', + 'nineinferior', + 'centinferior', + 'dollarinferior', + 'periodinferior', + 'commainferior', + 'Agravesmall', + 'Aacutesmall', + 'Acircumflexsmall', + 'Atildesmall', + 'Adieresissmall', + 'Aringsmall', + 'AEsmall', + 'Ccedillasmall', + 'Egravesmall', + 'Eacutesmall', + 'Ecircumflexsmall', + 'Edieresissmall', + 'Igravesmall', + 'Iacutesmall', + 'Icircumflexsmall', + 'Idieresissmall', + 'Ethsmall', + 'Ntildesmall', + 'Ogravesmall', + 'Oacutesmall', + 'Ocircumflexsmall', + 'Otildesmall', + 'Odieresissmall', + 'OEsmall', + 'Oslashsmall', + 'Ugravesmall', + 'Uacutesmall', + 'Ucircumflexsmall', + 'Udieresissmall', + 'Yacutesmall', + 'Thornsmall', + 'Ydieresissmall' + ]; + var ExpertSubsetCharset = [ + '.notdef', + 'space', + 'dollaroldstyle', + 'dollarsuperior', + 'parenleftsuperior', + 'parenrightsuperior', + 'twodotenleader', + 'onedotenleader', + 'comma', + 'hyphen', + 'period', + 'fraction', + 'zerooldstyle', + 'oneoldstyle', + 'twooldstyle', + 'threeoldstyle', + 'fouroldstyle', + 'fiveoldstyle', + 'sixoldstyle', + 'sevenoldstyle', + 'eightoldstyle', + 'nineoldstyle', + 'colon', + 'semicolon', + 'commasuperior', + 'threequartersemdash', + 'periodsuperior', + 'asuperior', + 'bsuperior', + 'centsuperior', + 'dsuperior', + 'esuperior', + 'isuperior', + 'lsuperior', + 'msuperior', + 'nsuperior', + 'osuperior', + 'rsuperior', + 'ssuperior', + 'tsuperior', + 'ff', + 'fi', + 'fl', + 'ffi', + 'ffl', + 'parenleftinferior', + 'parenrightinferior', + 'hyphensuperior', + 'colonmonetary', + 'onefitted', + 'rupiah', + 'centoldstyle', + 'figuredash', + 'hypheninferior', + 'onequarter', + 'onehalf', + 'threequarters', + 'oneeighth', + 'threeeighths', + 'fiveeighths', + 'seveneighths', + 'onethird', + 'twothirds', + 'zerosuperior', + 'onesuperior', + 'twosuperior', + 'threesuperior', + 'foursuperior', + 'fivesuperior', + 'sixsuperior', + 'sevensuperior', + 'eightsuperior', + 'ninesuperior', + 'zeroinferior', + 'oneinferior', + 'twoinferior', + 'threeinferior', + 'fourinferior', + 'fiveinferior', + 'sixinferior', + 'seveninferior', + 'eightinferior', + 'nineinferior', + 'centinferior', + 'dollarinferior', + 'periodinferior', + 'commainferior' + ]; + exports.ISOAdobeCharset = ISOAdobeCharset; + exports.ExpertCharset = ExpertCharset; + exports.ExpertSubsetCharset = ExpertSubsetCharset; + })); + (function (root, factory) { + factory(root.pdfjsCoreEncodings = {}); + }(this, function (exports) { + var ExpertEncoding = [ + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'space', + 'exclamsmall', + 'Hungarumlautsmall', + '', + 'dollaroldstyle', + 'dollarsuperior', + 'ampersandsmall', + 'Acutesmall', + 'parenleftsuperior', + 'parenrightsuperior', + 'twodotenleader', + 'onedotenleader', + 'comma', + 'hyphen', + 'period', + 'fraction', + 'zerooldstyle', + 'oneoldstyle', + 'twooldstyle', + 'threeoldstyle', + 'fouroldstyle', + 'fiveoldstyle', + 'sixoldstyle', + 'sevenoldstyle', + 'eightoldstyle', + 'nineoldstyle', + 'colon', + 'semicolon', + 'commasuperior', + 'threequartersemdash', + 'periodsuperior', + 'questionsmall', + '', + 'asuperior', + 'bsuperior', + 'centsuperior', + 'dsuperior', + 'esuperior', + '', + '', + 'isuperior', + '', + '', + 'lsuperior', + 'msuperior', + 'nsuperior', + 'osuperior', + '', + '', + 'rsuperior', + 'ssuperior', + 'tsuperior', + '', + 'ff', + 'fi', + 'fl', + 'ffi', + 'ffl', + 'parenleftinferior', + '', + 'parenrightinferior', + 'Circumflexsmall', + 'hyphensuperior', + 'Gravesmall', + 'Asmall', + 'Bsmall', + 'Csmall', + 'Dsmall', + 'Esmall', + 'Fsmall', + 'Gsmall', + 'Hsmall', + 'Ismall', + 'Jsmall', + 'Ksmall', + 'Lsmall', + 'Msmall', + 'Nsmall', + 'Osmall', + 'Psmall', + 'Qsmall', + 'Rsmall', + 'Ssmall', + 'Tsmall', + 'Usmall', + 'Vsmall', + 'Wsmall', + 'Xsmall', + 'Ysmall', + 'Zsmall', + 'colonmonetary', + 'onefitted', + 'rupiah', + 'Tildesmall', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'exclamdownsmall', + 'centoldstyle', + 'Lslashsmall', + '', + '', + 'Scaronsmall', + 'Zcaronsmall', + 'Dieresissmall', + 'Brevesmall', + 'Caronsmall', + '', + 'Dotaccentsmall', + '', + '', + 'Macronsmall', + '', + '', + 'figuredash', + 'hypheninferior', + '', + '', + 'Ogoneksmall', + 'Ringsmall', + 'Cedillasmall', + '', + '', + '', + 'onequarter', + 'onehalf', + 'threequarters', + 'questiondownsmall', + 'oneeighth', + 'threeeighths', + 'fiveeighths', + 'seveneighths', + 'onethird', + 'twothirds', + '', + '', + 'zerosuperior', + 'onesuperior', + 'twosuperior', + 'threesuperior', + 'foursuperior', + 'fivesuperior', + 'sixsuperior', + 'sevensuperior', + 'eightsuperior', + 'ninesuperior', + 'zeroinferior', + 'oneinferior', + 'twoinferior', + 'threeinferior', + 'fourinferior', + 'fiveinferior', + 'sixinferior', + 'seveninferior', + 'eightinferior', + 'nineinferior', + 'centinferior', + 'dollarinferior', + 'periodinferior', + 'commainferior', + 'Agravesmall', + 'Aacutesmall', + 'Acircumflexsmall', + 'Atildesmall', + 'Adieresissmall', + 'Aringsmall', + 'AEsmall', + 'Ccedillasmall', + 'Egravesmall', + 'Eacutesmall', + 'Ecircumflexsmall', + 'Edieresissmall', + 'Igravesmall', + 'Iacutesmall', + 'Icircumflexsmall', + 'Idieresissmall', + 'Ethsmall', + 'Ntildesmall', + 'Ogravesmall', + 'Oacutesmall', + 'Ocircumflexsmall', + 'Otildesmall', + 'Odieresissmall', + 'OEsmall', + 'Oslashsmall', + 'Ugravesmall', + 'Uacutesmall', + 'Ucircumflexsmall', + 'Udieresissmall', + 'Yacutesmall', + 'Thornsmall', + 'Ydieresissmall' + ]; + var MacExpertEncoding = [ + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'space', + 'exclamsmall', + 'Hungarumlautsmall', + 'centoldstyle', + 'dollaroldstyle', + 'dollarsuperior', + 'ampersandsmall', + 'Acutesmall', + 'parenleftsuperior', + 'parenrightsuperior', + 'twodotenleader', + 'onedotenleader', + 'comma', + 'hyphen', + 'period', + 'fraction', + 'zerooldstyle', + 'oneoldstyle', + 'twooldstyle', + 'threeoldstyle', + 'fouroldstyle', + 'fiveoldstyle', + 'sixoldstyle', + 'sevenoldstyle', + 'eightoldstyle', + 'nineoldstyle', + 'colon', + 'semicolon', + '', + 'threequartersemdash', + '', + 'questionsmall', + '', + '', + '', + '', + 'Ethsmall', + '', + '', + 'onequarter', + 'onehalf', + 'threequarters', + 'oneeighth', + 'threeeighths', + 'fiveeighths', + 'seveneighths', + 'onethird', + 'twothirds', + '', + '', + '', + '', + '', + '', + 'ff', + 'fi', + 'fl', + 'ffi', + 'ffl', + 'parenleftinferior', + '', + 'parenrightinferior', + 'Circumflexsmall', + 'hypheninferior', + 'Gravesmall', + 'Asmall', + 'Bsmall', + 'Csmall', + 'Dsmall', + 'Esmall', + 'Fsmall', + 'Gsmall', + 'Hsmall', + 'Ismall', + 'Jsmall', + 'Ksmall', + 'Lsmall', + 'Msmall', + 'Nsmall', + 'Osmall', + 'Psmall', + 'Qsmall', + 'Rsmall', + 'Ssmall', + 'Tsmall', + 'Usmall', + 'Vsmall', + 'Wsmall', + 'Xsmall', + 'Ysmall', + 'Zsmall', + 'colonmonetary', + 'onefitted', + 'rupiah', + 'Tildesmall', + '', + '', + 'asuperior', + 'centsuperior', + '', + '', + '', + '', + 'Aacutesmall', + 'Agravesmall', + 'Acircumflexsmall', + 'Adieresissmall', + 'Atildesmall', + 'Aringsmall', + 'Ccedillasmall', + 'Eacutesmall', + 'Egravesmall', + 'Ecircumflexsmall', + 'Edieresissmall', + 'Iacutesmall', + 'Igravesmall', + 'Icircumflexsmall', + 'Idieresissmall', + 'Ntildesmall', + 'Oacutesmall', + 'Ogravesmall', + 'Ocircumflexsmall', + 'Odieresissmall', + 'Otildesmall', + 'Uacutesmall', + 'Ugravesmall', + 'Ucircumflexsmall', + 'Udieresissmall', + '', + 'eightsuperior', + 'fourinferior', + 'threeinferior', + 'sixinferior', + 'eightinferior', + 'seveninferior', + 'Scaronsmall', + '', + 'centinferior', + 'twoinferior', + '', + 'Dieresissmall', + '', + 'Caronsmall', + 'osuperior', + 'fiveinferior', + '', + 'commainferior', + 'periodinferior', + 'Yacutesmall', + '', + 'dollarinferior', + '', + 'Thornsmall', + '', + 'nineinferior', + 'zeroinferior', + 'Zcaronsmall', + 'AEsmall', + 'Oslashsmall', + 'questiondownsmall', + 'oneinferior', + 'Lslashsmall', + '', + '', + '', + '', + '', + '', + 'Cedillasmall', + '', + '', + '', + '', + '', + 'OEsmall', + 'figuredash', + 'hyphensuperior', + '', + '', + '', + '', + 'exclamdownsmall', + '', + 'Ydieresissmall', + '', + 'onesuperior', + 'twosuperior', + 'threesuperior', + 'foursuperior', + 'fivesuperior', + 'sixsuperior', + 'sevensuperior', + 'ninesuperior', + 'zerosuperior', + '', + 'esuperior', + 'rsuperior', + 'tsuperior', + '', + '', + 'isuperior', + 'ssuperior', + 'dsuperior', + '', + '', + '', + '', + '', + 'lsuperior', + 'Ogoneksmall', + 'Brevesmall', + 'Macronsmall', + 'bsuperior', + 'nsuperior', + 'msuperior', + 'commasuperior', + 'periodsuperior', + 'Dotaccentsmall', + 'Ringsmall' + ]; + var MacRomanEncoding = [ + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'space', + 'exclam', + 'quotedbl', + 'numbersign', + 'dollar', + 'percent', + 'ampersand', + 'quotesingle', + 'parenleft', + 'parenright', + 'asterisk', + 'plus', + 'comma', + 'hyphen', + 'period', + 'slash', + 'zero', + 'one', + 'two', + 'three', + 'four', + 'five', + 'six', + 'seven', + 'eight', + 'nine', + 'colon', + 'semicolon', + 'less', + 'equal', + 'greater', + 'question', + 'at', + 'A', + 'B', + 'C', + 'D', + 'E', + 'F', + 'G', + 'H', + 'I', + 'J', + 'K', + 'L', + 'M', + 'N', + 'O', + 'P', + 'Q', + 'R', + 'S', + 'T', + 'U', + 'V', + 'W', + 'X', + 'Y', + 'Z', + 'bracketleft', + 'backslash', + 'bracketright', + 'asciicircum', + 'underscore', + 'grave', + 'a', + 'b', + 'c', + 'd', + 'e', + 'f', + 'g', + 'h', + 'i', + 'j', + 'k', + 'l', + 'm', + 'n', + 'o', + 'p', + 'q', + 'r', + 's', + 't', + 'u', + 'v', + 'w', + 'x', + 'y', + 'z', + 'braceleft', + 'bar', + 'braceright', + 'asciitilde', + '', + 'Adieresis', + 'Aring', + 'Ccedilla', + 'Eacute', + 'Ntilde', + 'Odieresis', + 'Udieresis', + 'aacute', + 'agrave', + 'acircumflex', + 'adieresis', + 'atilde', + 'aring', + 'ccedilla', + 'eacute', + 'egrave', + 'ecircumflex', + 'edieresis', + 'iacute', + 'igrave', + 'icircumflex', + 'idieresis', + 'ntilde', + 'oacute', + 'ograve', + 'ocircumflex', + 'odieresis', + 'otilde', + 'uacute', + 'ugrave', + 'ucircumflex', + 'udieresis', + 'dagger', + 'degree', + 'cent', + 'sterling', + 'section', + 'bullet', + 'paragraph', + 'germandbls', + 'registered', + 'copyright', + 'trademark', + 'acute', + 'dieresis', + 'notequal', + 'AE', + 'Oslash', + 'infinity', + 'plusminus', + 'lessequal', + 'greaterequal', + 'yen', + 'mu', + 'partialdiff', + 'summation', + 'product', + 'pi', + 'integral', + 'ordfeminine', + 'ordmasculine', + 'Omega', + 'ae', + 'oslash', + 'questiondown', + 'exclamdown', + 'logicalnot', + 'radical', + 'florin', + 'approxequal', + 'Delta', + 'guillemotleft', + 'guillemotright', + 'ellipsis', + 'space', + 'Agrave', + 'Atilde', + 'Otilde', + 'OE', + 'oe', + 'endash', + 'emdash', + 'quotedblleft', + 'quotedblright', + 'quoteleft', + 'quoteright', + 'divide', + 'lozenge', + 'ydieresis', + 'Ydieresis', + 'fraction', + 'currency', + 'guilsinglleft', + 'guilsinglright', + 'fi', + 'fl', + 'daggerdbl', + 'periodcentered', + 'quotesinglbase', + 'quotedblbase', + 'perthousand', + 'Acircumflex', + 'Ecircumflex', + 'Aacute', + 'Edieresis', + 'Egrave', + 'Iacute', + 'Icircumflex', + 'Idieresis', + 'Igrave', + 'Oacute', + 'Ocircumflex', + 'apple', + 'Ograve', + 'Uacute', + 'Ucircumflex', + 'Ugrave', + 'dotlessi', + 'circumflex', + 'tilde', + 'macron', + 'breve', + 'dotaccent', + 'ring', + 'cedilla', + 'hungarumlaut', + 'ogonek', + 'caron' + ]; + var StandardEncoding = [ + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'space', + 'exclam', + 'quotedbl', + 'numbersign', + 'dollar', + 'percent', + 'ampersand', + 'quoteright', + 'parenleft', + 'parenright', + 'asterisk', + 'plus', + 'comma', + 'hyphen', + 'period', + 'slash', + 'zero', + 'one', + 'two', + 'three', + 'four', + 'five', + 'six', + 'seven', + 'eight', + 'nine', + 'colon', + 'semicolon', + 'less', + 'equal', + 'greater', + 'question', + 'at', + 'A', + 'B', + 'C', + 'D', + 'E', + 'F', + 'G', + 'H', + 'I', + 'J', + 'K', + 'L', + 'M', + 'N', + 'O', + 'P', + 'Q', + 'R', + 'S', + 'T', + 'U', + 'V', + 'W', + 'X', + 'Y', + 'Z', + 'bracketleft', + 'backslash', + 'bracketright', + 'asciicircum', + 'underscore', + 'quoteleft', + 'a', + 'b', + 'c', + 'd', + 'e', + 'f', + 'g', + 'h', + 'i', + 'j', + 'k', + 'l', + 'm', + 'n', + 'o', + 'p', + 'q', + 'r', + 's', + 't', + 'u', + 'v', + 'w', + 'x', + 'y', + 'z', + 'braceleft', + 'bar', + 'braceright', + 'asciitilde', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'exclamdown', + 'cent', + 'sterling', + 'fraction', + 'yen', + 'florin', + 'section', + 'currency', + 'quotesingle', + 'quotedblleft', + 'guillemotleft', + 'guilsinglleft', + 'guilsinglright', + 'fi', + 'fl', + '', + 'endash', + 'dagger', + 'daggerdbl', + 'periodcentered', + '', + 'paragraph', + 'bullet', + 'quotesinglbase', + 'quotedblbase', + 'quotedblright', + 'guillemotright', + 'ellipsis', + 'perthousand', + '', + 'questiondown', + '', + 'grave', + 'acute', + 'circumflex', + 'tilde', + 'macron', + 'breve', + 'dotaccent', + 'dieresis', + '', + 'ring', + 'cedilla', + '', + 'hungarumlaut', + 'ogonek', + 'caron', + 'emdash', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'AE', + '', + 'ordfeminine', + '', + '', + '', + '', + 'Lslash', + 'Oslash', + 'OE', + 'ordmasculine', + '', + '', + '', + '', + '', + 'ae', + '', + '', + '', + 'dotlessi', + '', + '', + 'lslash', + 'oslash', + 'oe', + 'germandbls' + ]; + var WinAnsiEncoding = [ + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'space', + 'exclam', + 'quotedbl', + 'numbersign', + 'dollar', + 'percent', + 'ampersand', + 'quotesingle', + 'parenleft', + 'parenright', + 'asterisk', + 'plus', + 'comma', + 'hyphen', + 'period', + 'slash', + 'zero', + 'one', + 'two', + 'three', + 'four', + 'five', + 'six', + 'seven', + 'eight', + 'nine', + 'colon', + 'semicolon', + 'less', + 'equal', + 'greater', + 'question', + 'at', + 'A', + 'B', + 'C', + 'D', + 'E', + 'F', + 'G', + 'H', + 'I', + 'J', + 'K', + 'L', + 'M', + 'N', + 'O', + 'P', + 'Q', + 'R', + 'S', + 'T', + 'U', + 'V', + 'W', + 'X', + 'Y', + 'Z', + 'bracketleft', + 'backslash', + 'bracketright', + 'asciicircum', + 'underscore', + 'grave', + 'a', + 'b', + 'c', + 'd', + 'e', + 'f', + 'g', + 'h', + 'i', + 'j', + 'k', + 'l', + 'm', + 'n', + 'o', + 'p', + 'q', + 'r', + 's', + 't', + 'u', + 'v', + 'w', + 'x', + 'y', + 'z', + 'braceleft', + 'bar', + 'braceright', + 'asciitilde', + 'bullet', + 'Euro', + 'bullet', + 'quotesinglbase', + 'florin', + 'quotedblbase', + 'ellipsis', + 'dagger', + 'daggerdbl', + 'circumflex', + 'perthousand', + 'Scaron', + 'guilsinglleft', + 'OE', + 'bullet', + 'Zcaron', + 'bullet', + 'bullet', + 'quoteleft', + 'quoteright', + 'quotedblleft', + 'quotedblright', + 'bullet', + 'endash', + 'emdash', + 'tilde', + 'trademark', + 'scaron', + 'guilsinglright', + 'oe', + 'bullet', + 'zcaron', + 'Ydieresis', + 'space', + 'exclamdown', + 'cent', + 'sterling', + 'currency', + 'yen', + 'brokenbar', + 'section', + 'dieresis', + 'copyright', + 'ordfeminine', + 'guillemotleft', + 'logicalnot', + 'hyphen', + 'registered', + 'macron', + 'degree', + 'plusminus', + 'twosuperior', + 'threesuperior', + 'acute', + 'mu', + 'paragraph', + 'periodcentered', + 'cedilla', + 'onesuperior', + 'ordmasculine', + 'guillemotright', + 'onequarter', + 'onehalf', + 'threequarters', + 'questiondown', + 'Agrave', + 'Aacute', + 'Acircumflex', + 'Atilde', + 'Adieresis', + 'Aring', + 'AE', + 'Ccedilla', + 'Egrave', + 'Eacute', + 'Ecircumflex', + 'Edieresis', + 'Igrave', + 'Iacute', + 'Icircumflex', + 'Idieresis', + 'Eth', + 'Ntilde', + 'Ograve', + 'Oacute', + 'Ocircumflex', + 'Otilde', + 'Odieresis', + 'multiply', + 'Oslash', + 'Ugrave', + 'Uacute', + 'Ucircumflex', + 'Udieresis', + 'Yacute', + 'Thorn', + 'germandbls', + 'agrave', + 'aacute', + 'acircumflex', + 'atilde', + 'adieresis', + 'aring', + 'ae', + 'ccedilla', + 'egrave', + 'eacute', + 'ecircumflex', + 'edieresis', + 'igrave', + 'iacute', + 'icircumflex', + 'idieresis', + 'eth', + 'ntilde', + 'ograve', + 'oacute', + 'ocircumflex', + 'otilde', + 'odieresis', + 'divide', + 'oslash', + 'ugrave', + 'uacute', + 'ucircumflex', + 'udieresis', + 'yacute', + 'thorn', + 'ydieresis' + ]; + var SymbolSetEncoding = [ + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'space', + 'exclam', + 'universal', + 'numbersign', + 'existential', + 'percent', + 'ampersand', + 'suchthat', + 'parenleft', + 'parenright', + 'asteriskmath', + 'plus', + 'comma', + 'minus', + 'period', + 'slash', + 'zero', + 'one', + 'two', + 'three', + 'four', + 'five', + 'six', + 'seven', + 'eight', + 'nine', + 'colon', + 'semicolon', + 'less', + 'equal', + 'greater', + 'question', + 'congruent', + 'Alpha', + 'Beta', + 'Chi', + 'Delta', + 'Epsilon', + 'Phi', + 'Gamma', + 'Eta', + 'Iota', + 'theta1', + 'Kappa', + 'Lambda', + 'Mu', + 'Nu', + 'Omicron', + 'Pi', + 'Theta', + 'Rho', + 'Sigma', + 'Tau', + 'Upsilon', + 'sigma1', + 'Omega', + 'Xi', + 'Psi', + 'Zeta', + 'bracketleft', + 'therefore', + 'bracketright', + 'perpendicular', + 'underscore', + 'radicalex', + 'alpha', + 'beta', + 'chi', + 'delta', + 'epsilon', + 'phi', + 'gamma', + 'eta', + 'iota', + 'phi1', + 'kappa', + 'lambda', + 'mu', + 'nu', + 'omicron', + 'pi', + 'theta', + 'rho', + 'sigma', + 'tau', + 'upsilon', + 'omega1', + 'omega', + 'xi', + 'psi', + 'zeta', + 'braceleft', + 'bar', + 'braceright', + 'similar', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'Euro', + 'Upsilon1', + 'minute', + 'lessequal', + 'fraction', + 'infinity', + 'florin', + 'club', + 'diamond', + 'heart', + 'spade', + 'arrowboth', + 'arrowleft', + 'arrowup', + 'arrowright', + 'arrowdown', + 'degree', + 'plusminus', + 'second', + 'greaterequal', + 'multiply', + 'proportional', + 'partialdiff', + 'bullet', + 'divide', + 'notequal', + 'equivalence', + 'approxequal', + 'ellipsis', + 'arrowvertex', + 'arrowhorizex', + 'carriagereturn', + 'aleph', + 'Ifraktur', + 'Rfraktur', + 'weierstrass', + 'circlemultiply', + 'circleplus', + 'emptyset', + 'intersection', + 'union', + 'propersuperset', + 'reflexsuperset', + 'notsubset', + 'propersubset', + 'reflexsubset', + 'element', + 'notelement', + 'angle', + 'gradient', + 'registerserif', + 'copyrightserif', + 'trademarkserif', + 'product', + 'radical', + 'dotmath', + 'logicalnot', + 'logicaland', + 'logicalor', + 'arrowdblboth', + 'arrowdblleft', + 'arrowdblup', + 'arrowdblright', + 'arrowdbldown', + 'lozenge', + 'angleleft', + 'registersans', + 'copyrightsans', + 'trademarksans', + 'summation', + 'parenlefttp', + 'parenleftex', + 'parenleftbt', + 'bracketlefttp', + 'bracketleftex', + 'bracketleftbt', + 'bracelefttp', + 'braceleftmid', + 'braceleftbt', + 'braceex', + '', + 'angleright', + 'integral', + 'integraltp', + 'integralex', + 'integralbt', + 'parenrighttp', + 'parenrightex', + 'parenrightbt', + 'bracketrighttp', + 'bracketrightex', + 'bracketrightbt', + 'bracerighttp', + 'bracerightmid', + 'bracerightbt' + ]; + var ZapfDingbatsEncoding = [ + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'space', + 'a1', + 'a2', + 'a202', + 'a3', + 'a4', + 'a5', + 'a119', + 'a118', + 'a117', + 'a11', + 'a12', + 'a13', + 'a14', + 'a15', + 'a16', + 'a105', + 'a17', + 'a18', + 'a19', + 'a20', + 'a21', + 'a22', + 'a23', + 'a24', + 'a25', + 'a26', + 'a27', + 'a28', + 'a6', + 'a7', + 'a8', + 'a9', + 'a10', + 'a29', + 'a30', + 'a31', + 'a32', + 'a33', + 'a34', + 'a35', + 'a36', + 'a37', + 'a38', + 'a39', + 'a40', + 'a41', + 'a42', + 'a43', + 'a44', + 'a45', + 'a46', + 'a47', + 'a48', + 'a49', + 'a50', + 'a51', + 'a52', + 'a53', + 'a54', + 'a55', + 'a56', + 'a57', + 'a58', + 'a59', + 'a60', + 'a61', + 'a62', + 'a63', + 'a64', + 'a65', + 'a66', + 'a67', + 'a68', + 'a69', + 'a70', + 'a71', + 'a72', + 'a73', + 'a74', + 'a203', + 'a75', + 'a204', + 'a76', + 'a77', + 'a78', + 'a79', + 'a81', + 'a82', + 'a83', + 'a84', + 'a97', + 'a98', + 'a99', + 'a100', + '', + 'a89', + 'a90', + 'a93', + 'a94', + 'a91', + 'a92', + 'a205', + 'a85', + 'a206', + 'a86', + 'a87', + 'a88', + 'a95', + 'a96', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + '', + 'a101', + 'a102', + 'a103', + 'a104', + 'a106', + 'a107', + 'a108', + 'a112', + 'a111', + 'a110', + 'a109', + 'a120', + 'a121', + 'a122', + 'a123', + 'a124', + 'a125', + 'a126', + 'a127', + 'a128', + 'a129', + 'a130', + 'a131', + 'a132', + 'a133', + 'a134', + 'a135', + 'a136', + 'a137', + 'a138', + 'a139', + 'a140', + 'a141', + 'a142', + 'a143', + 'a144', + 'a145', + 'a146', + 'a147', + 'a148', + 'a149', + 'a150', + 'a151', + 'a152', + 'a153', + 'a154', + 'a155', + 'a156', + 'a157', + 'a158', + 'a159', + 'a160', + 'a161', + 'a163', + 'a164', + 'a196', + 'a165', + 'a192', + 'a166', + 'a167', + 'a168', + 'a169', + 'a170', + 'a171', + 'a172', + 'a173', + 'a162', + 'a174', + 'a175', + 'a176', + 'a177', + 'a178', + 'a179', + 'a193', + 'a180', + 'a199', + 'a181', + 'a200', + 'a182', + '', + 'a201', + 'a183', + 'a184', + 'a197', + 'a185', + 'a194', + 'a198', + 'a186', + 'a195', + 'a187', + 'a188', + 'a189', + 'a190', + 'a191' + ]; + function getEncoding(encodingName) { + switch (encodingName) { + case 'WinAnsiEncoding': + return WinAnsiEncoding; + case 'StandardEncoding': + return StandardEncoding; + case 'MacRomanEncoding': + return MacRomanEncoding; + case 'SymbolSetEncoding': + return SymbolSetEncoding; + case 'ZapfDingbatsEncoding': + return ZapfDingbatsEncoding; + case 'ExpertEncoding': + return ExpertEncoding; + case 'MacExpertEncoding': + return MacExpertEncoding; + default: + return null; + } + } + exports.WinAnsiEncoding = WinAnsiEncoding; + exports.StandardEncoding = StandardEncoding; + exports.MacRomanEncoding = MacRomanEncoding; + exports.SymbolSetEncoding = SymbolSetEncoding; + exports.ZapfDingbatsEncoding = ZapfDingbatsEncoding; + exports.ExpertEncoding = ExpertEncoding; + exports.getEncoding = getEncoding; + })); + (function (root, factory) { + factory(root.pdfjsSharedUtil = {}); + }(this, function (exports) { + var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this; + var FONT_IDENTITY_MATRIX = [ + 0.001, + 0, + 0, + 0.001, + 0, + 0 + ]; + var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 + }; + var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 + }; + var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 + }; + var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 + }; + var AnnotationFieldFlag = { + READONLY: 0x0000001, + REQUIRED: 0x0000002, + NOEXPORT: 0x0000004, + MULTILINE: 0x0001000, + PASSWORD: 0x0002000, + NOTOGGLETOOFF: 0x0004000, + RADIO: 0x0008000, + PUSHBUTTON: 0x0010000, + COMBO: 0x0020000, + EDIT: 0x0040000, + SORT: 0x0080000, + FILESELECT: 0x0100000, + MULTISELECT: 0x0200000, + DONOTSPELLCHECK: 0x0400000, + DONOTSCROLL: 0x0800000, + COMB: 0x1000000, + RICHTEXT: 0x2000000, + RADIOSINUNISON: 0x2000000, + COMMITONSELCHANGE: 0x4000000 + }; + var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 + }; + var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 + }; + var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 + }; + var VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 + }; + // All the possible operations for an operator list. + var OPS = { + // Intentionally start from 1 so it is easy to spot bad operators that will be + // 0's. + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 + }; + var verbosity = VERBOSITY_LEVELS.warnings; + function setVerbosityLevel(level) { + verbosity = level; + } + function getVerbosityLevel() { + return verbosity; + } + // A notice for devs. These are good for things that are helpful to devs, such + // as warning that Workers were disabled, which is important to devs but not + // end users. + function info(msg) { + if (verbosity >= VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } + } + // Non-fatal warnings. + function warn(msg) { + if (verbosity >= VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } + } + // Deprecated API function -- display regardless of the PDFJS.verbosity setting. + function deprecated(details) { + console.log('Deprecated API usage: ' + details); + } + // Fatal errors that should trigger the fallback UI and halt execution by + // throwing an exception. + function error(msg) { + if (verbosity >= VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); + } + function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } + } + function assert(cond, msg) { + if (!cond) { + error(msg); + } + } + var UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' + }; + // Checks if URLs have the same origin. For non-HTTP based URLs, returns false. + function isSameOrigin(baseUrl, otherUrl) { + try { + var base = new URL(baseUrl); + if (!base.origin || base.origin === 'null') { + return false; + } + } // non-HTTP url + catch (e) { + return false; + } + var other = new URL(otherUrl, base); + return base.origin === other.origin; + } + // Checks if URLs use one of the whitelisted protocols, e.g. to avoid XSS. + function isValidProtocol(url) { + if (!url) { + return false; + } + switch (url.protocol) { + case 'http:': + case 'https:': + case 'ftp:': + case 'mailto:': + case 'tel:': + return true; + default: + return false; + } + } + /** + * Attempts to create a valid absolute URL (utilizing `isValidProtocol`). + * @param {URL|string} url - An absolute, or relative, URL. + * @param {URL|string} baseUrl - An absolute URL. + * @returns Either a valid {URL}, or `null` otherwise. + */ + function createValidAbsoluteUrl(url, baseUrl) { + if (!url) { + return null; + } + try { + var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url); + if (isValidProtocol(absoluteUrl)) { + return absoluteUrl; + } + } catch (ex) { + } + return null; + } + function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { + value: value, + enumerable: true, + configurable: true, + writable: false + }); + return value; + } + function getLookupTableFactory(initializer) { + var lookup; + return function () { + if (initializer) { + lookup = Object.create(null); + initializer(lookup); + initializer = null; + } + return lookup; + }; + } + var PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 + }; + var PasswordException = function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + return PasswordException; + }(); + var UnknownErrorException = function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + return UnknownErrorException; + }(); + var InvalidPDFException = function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + return InvalidPDFException; + }(); + var MissingPDFException = function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + return MissingPDFException; + }(); + var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + return UnexpectedResponseException; + }(); + var NotImplementedException = function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + return NotImplementedException; + }(); + var MissingDataException = function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + return MissingDataException; + }(); + var XRefParseException = function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + return XRefParseException; + }(); + var NullCharactersRegExp = /\x00/g; + function removeNullCharacters(str) { + if (typeof str !== 'string') { + warn('The argument for removeNullCharacters must be a string.'); + return str; + } + return str.replace(NullCharactersRegExp, ''); + } + function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); + } + function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; + } + /** + * Gets length of the array (Array, Uint8Array, or string) in bytes. + * @param {Array|Uint8Array|string} arr + * @returns {number} + */ + function arrayByteLength(arr) { + if (arr.length !== undefined) { + return arr.length; + } + assert(arr.byteLength !== undefined); + return arr.byteLength; + } + /** + * Combines array items (arrays) into single Uint8Array object. + * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string). + * @returns {Uint8Array} + */ + function arraysToBytes(arr) { + // Shortcut: if first and only item is Uint8Array, return it. + if (arr.length === 1 && arr[0] instanceof Uint8Array) { + return arr[0]; + } + var resultLength = 0; + var i, ii = arr.length; + var item, itemLength; + for (i = 0; i < ii; i++) { + item = arr[i]; + itemLength = arrayByteLength(item); + resultLength += itemLength; + } + var pos = 0; + var data = new Uint8Array(resultLength); + for (i = 0; i < ii; i++) { + item = arr[i]; + if (!(item instanceof Uint8Array)) { + if (typeof item === 'string') { + item = stringToBytes(item); + } else { + item = new Uint8Array(item); + } + } + itemLength = item.byteLength; + data.set(item, pos); + pos += itemLength; + } + return data; + } + function string32(value) { + return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff); + } + function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; + } + function readInt8(data, start) { + return data[start] << 24 >> 24; + } + function readUint16(data, offset) { + return data[offset] << 8 | data[offset + 1]; + } + function readUint32(data, offset) { + return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0; + } + // Lazy test the endianness of the platform + // NOTE: This will be 'true' for simulated TypedArrays + function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return buffer16[0] === 1; + } + // Checks if it's possible to eval JS expressions. + function isEvalSupported() { + try { + new Function(''); + return true; + } catch (e) { + return false; + } + } + var IDENTITY_MATRIX = [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + var Util = function UtilClosure() { + function Util() { + } + var rgbBuf = [ + 'rgb(', + 0, + ',', + 0, + ',', + 0, + ')' + ]; + // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids + // creating many intermediate strings. + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + // Concatenates two transformation matrices together and returns the result. + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + // For 2d affine transforms + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [ + xt, + yt + ]; + }; + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [ + xt, + yt + ]; + }; + // Applies the transform to the rectangle and finds the minimum axially + // aligned bounding box. + Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) { + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([ + r[0], + r[3] + ], m); + var p4 = Util.applyTransform([ + r[2], + r[1] + ], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [ + m[3] / d, + -m[1] / d, + -m[2] / d, + m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, + (m[4] * m[1] - m[5] * m[0]) / d + ]; + }; + // Apply a generic 3d matrix M on a 3-vector v: + // | a b c | | X | + // | d e f | x | Y | + // | g h i | | Z | + // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], + // with v as [X,Y,Z] + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + // This calculation uses Singular Value Decomposition. + // The SVD can be represented with formula A = USV. We are interested in the + // matrix S here because it represents the scale values. + Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) { + var transpose = [ + m[0], + m[2], + m[1], + m[3] + ]; + // Multiply matrix m with its transpose. + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + // Solve the second degree polynomial to get roots. + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + // Scale values are the square roots of the eigenvalues. + return [ + Math.sqrt(sx), + Math.sqrt(sy) + ]; + }; + // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) + // For coordinate systems whose origin lies in the bottom-left, this + // means normalization to (BL,TR) ordering. For systems with origin in the + // top-left, this means (TL,BR) ordering. + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); + // clone rect + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + // Returns a rectangle [x1, y1, x2, y2] corresponding to the + // intersection of rect1 and rect2. If no intersection, returns 'false' + // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + // Order points along the axes + var orderedX = [ + rect1[0], + rect1[2], + rect2[0], + rect2[2] + ].sort(compare), orderedY = [ + rect1[1], + rect1[3], + rect2[1], + rect2[3] + ].sort(compare), result = []; + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + // X: first and second points belong to different rectangles? + if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) { + // Intersection must be between second and third points + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + // Y: first and second points belong to different rectangles? + if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) { + // Intersection must be between second and third points + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + return result; + }; + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + var ROMAN_NUMBER_MAP = [ + '', + 'C', + 'CC', + 'CCC', + 'CD', + 'D', + 'DC', + 'DCC', + 'DCCC', + 'CM', + '', + 'X', + 'XX', + 'XXX', + 'XL', + 'L', + 'LX', + 'LXX', + 'LXXX', + 'XC', + '', + 'I', + 'II', + 'III', + 'IV', + 'V', + 'VI', + 'VII', + 'VIII', + 'IX' + ]; + /** + * Converts positive integers to (upper case) Roman numerals. + * @param {integer} number - The number that should be converted. + * @param {boolean} lowerCase - Indicates if the result should be converted + * to lower case letters. The default is false. + * @return {string} The resulting Roman number. + */ + Util.toRoman = function Util_toRoman(number, lowerCase) { + assert(isInt(number) && number > 0, 'The number should be a positive integer.'); + var pos, romanBuf = []; + // Thousands + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + // Hundreds + pos = number / 100 | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + // Tens + pos = number / 10 | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + // Ones + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + var romanStr = romanBuf.join(''); + return lowerCase ? romanStr.toLowerCase() : romanStr; + }; + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return getArray ? dict.getArray(name) : dict.get(name); + }; + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function () { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + return Util; + }(); + /** + * PDF page viewport created based on scale, rotation and offset. + * @class + * @alias PageViewport + */ + var PageViewport = function PageViewportClosure() { + /** + * @constructor + * @private + * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. + * @param scale {number} scale of the viewport. + * @param rotation {number} rotations of the viewport in degrees. + * @param offsetX {number} offset X + * @param offsetY {number} offset Y + * @param dontFlip {boolean} if true, axis Y will not be flipped. + */ + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + // creating transform to convert pdf coordinate system to the normal + // canvas like coordinates taking in account scale and rotation + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; + rotateB = 0; + rotateC = 0; + rotateD = 1; + break; + case 90: + rotateA = 0; + rotateB = 1; + rotateC = 1; + rotateD = 0; + break; + case 270: + rotateA = 0; + rotateB = -1; + rotateC = -1; + rotateD = 0; + break; + //case 0: + default: + rotateA = 1; + rotateB = 0; + rotateC = 0; + rotateD = -1; + break; + } + if (dontFlip) { + rotateC = -rotateC; + rotateD = -rotateD; + } + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + // creating transform for the following operations: + // translate(-centerX, -centerY), rotate and flip vertically, + // scale, and translate(offsetCanvasX, offsetCanvasY) + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = /** @lends PageViewport.prototype */ + { + /** + * Clones viewport with additional properties. + * @param args {Object} (optional) If specified, may contain the 'scale' or + * 'rotation' properties to override the corresponding properties in + * the cloned viewport. + * @returns {PageViewport} Cloned viewport. + */ + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip); + }, + /** + * Converts PDF point to the viewport coordinates. For examples, useful for + * converting PDF location into canvas pixel coordinates. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the viewport coordinate space. + * @see {@link convertToPdfPoint} + * @see {@link convertToViewportRectangle} + */ + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([ + x, + y + ], this.transform); + }, + /** + * Converts PDF rectangle to the viewport coordinates. + * @param rect {Array} xMin, yMin, xMax and yMax coordinates. + * @returns {Array} Contains corresponding coordinates of the rectangle + * in the viewport coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([ + rect[0], + rect[1] + ], this.transform); + var br = Util.applyTransform([ + rect[2], + rect[3] + ], this.transform); + return [ + tl[0], + tl[1], + br[0], + br[1] + ]; + }, + /** + * Converts viewport coordinates to the PDF location. For examples, useful + * for converting canvas pixel location into PDF one. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the PDF coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([ + x, + y + ], this.transform); + } + }; + return PageViewport; + }(); + var PDFStringTranslateTable = [ + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0x2D8, + 0x2C7, + 0x2C6, + 0x2D9, + 0x2DD, + 0x2DB, + 0x2DA, + 0x2DC, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0x2022, + 0x2020, + 0x2021, + 0x2026, + 0x2014, + 0x2013, + 0x192, + 0x2044, + 0x2039, + 0x203A, + 0x2212, + 0x2030, + 0x201E, + 0x201C, + 0x201D, + 0x2018, + 0x2019, + 0x201A, + 0x2122, + 0xFB01, + 0xFB02, + 0x141, + 0x152, + 0x160, + 0x178, + 0x17D, + 0x131, + 0x142, + 0x153, + 0x161, + 0x17E, + 0, + 0x20AC + ]; + function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + // UTF16BE BOM + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); + } + function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); + } + function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); + } + function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; + } + function isBool(v) { + return typeof v === 'boolean'; + } + function isInt(v) { + return typeof v === 'number' && (v | 0) === v; + } + function isNum(v) { + return typeof v === 'number'; + } + function isString(v) { + return typeof v === 'string'; + } + function isArray(v) { + return v instanceof Array; + } + function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; + } + // Checks if ch is one of the following characters: SPACE, TAB, CR or LF. + function isSpace(ch) { + return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A; + } + /** + * Promise Capability object. + * + * @typedef {Object} PromiseCapability + * @property {Promise} promise - A promise object. + * @property {function} resolve - Fulfills the promise. + * @property {function} reject - Rejects the promise. + */ + /** + * Creates a promise capability object. + * @alias createPromiseCapability + * + * @return {PromiseCapability} A capability object contains: + * - a Promise, resolve and reject methods. + */ + function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; + } + /** + * Polyfill for Promises: + * The following promise implementation tries to generally implement the + * Promise/A+ spec. Some notable differences from other promise libraries are: + * - There currently isn't a separate deferred and promise object. + * - Unhandled rejections eventually show an error if they aren't handled. + * + * Based off of the work in: + * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 + */ + (function PromiseClosure() { + if (globalScope.Promise) { + // Promises existing in the DOM/Worker, checking presence of all/resolve + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { + resolve(value); + }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + throw new Error('DOM Promise is not present'); + }()); + var StatTimer = function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = Object.create(null); + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + // Remove timer from started so it can be called again. + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + // Find the longest name for padding purposes. + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; + }(); + var createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + warn('The "Blob" constructor is not supported.'); + }; + var createObjectURL = function createObjectURLClosure() { + // Blob/createObjectURL is not available, falling back to data schema. + var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + return function createObjectURL(data, contentType, forceDataSchema) { + if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = createBlob(data, contentType); + return URL.createObjectURL(blob); + } + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4; + var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64; + var d4 = i + 2 < ii ? b3 & 0x3F : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; + }(); + function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = Object.create(null); + var ah = this.actionHandler = Object.create(null); + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); + } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); + } + MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [ + handler, + scope + ]; + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers + */ + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * Expects that other side will callback with the response. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. + * @returns {Promise} Promise to be resolved with response data. + */ + sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + /** + * Sends raw message to the comObj. + * @private + * @param message {Object} Raw message. + * @param transfers List of transfers/ArrayBuffers, or undefined. + */ + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } + }; + function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }; + img.onerror = function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }; + img.src = imageUrl; + } + exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; + exports.IDENTITY_MATRIX = IDENTITY_MATRIX; + exports.OPS = OPS; + exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS; + exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; + exports.AnnotationBorderStyleType = AnnotationBorderStyleType; + exports.AnnotationFieldFlag = AnnotationFieldFlag; + exports.AnnotationFlag = AnnotationFlag; + exports.AnnotationType = AnnotationType; + exports.FontType = FontType; + exports.ImageKind = ImageKind; + exports.InvalidPDFException = InvalidPDFException; + exports.MessageHandler = MessageHandler; + exports.MissingDataException = MissingDataException; + exports.MissingPDFException = MissingPDFException; + exports.NotImplementedException = NotImplementedException; + exports.PageViewport = PageViewport; + exports.PasswordException = PasswordException; + exports.PasswordResponses = PasswordResponses; + exports.StatTimer = StatTimer; + exports.StreamType = StreamType; + exports.TextRenderingMode = TextRenderingMode; + exports.UnexpectedResponseException = UnexpectedResponseException; + exports.UnknownErrorException = UnknownErrorException; + exports.Util = Util; + exports.XRefParseException = XRefParseException; + exports.arrayByteLength = arrayByteLength; + exports.arraysToBytes = arraysToBytes; + exports.assert = assert; + exports.bytesToString = bytesToString; + exports.createBlob = createBlob; + exports.createPromiseCapability = createPromiseCapability; + exports.createObjectURL = createObjectURL; + exports.deprecated = deprecated; + exports.error = error; + exports.getLookupTableFactory = getLookupTableFactory; + exports.getVerbosityLevel = getVerbosityLevel; + exports.globalScope = globalScope; + exports.info = info; + exports.isArray = isArray; + exports.isArrayBuffer = isArrayBuffer; + exports.isBool = isBool; + exports.isEmptyObj = isEmptyObj; + exports.isInt = isInt; + exports.isNum = isNum; + exports.isString = isString; + exports.isSpace = isSpace; + exports.isSameOrigin = isSameOrigin; + exports.createValidAbsoluteUrl = createValidAbsoluteUrl; + exports.isLittleEndian = isLittleEndian; + exports.isEvalSupported = isEvalSupported; + exports.loadJpegStream = loadJpegStream; + exports.log2 = log2; + exports.readInt8 = readInt8; + exports.readUint16 = readUint16; + exports.readUint32 = readUint32; + exports.removeNullCharacters = removeNullCharacters; + exports.setVerbosityLevel = setVerbosityLevel; + exports.shadow = shadow; + exports.string32 = string32; + exports.stringToBytes = stringToBytes; + exports.stringToPDFString = stringToPDFString; + exports.stringToUTF8String = stringToUTF8String; + exports.utf8StringToString = utf8StringToString; + exports.warn = warn; + })); + (function (root, factory) { + factory(root.pdfjsCoreCFFParser = {}, root.pdfjsSharedUtil, root.pdfjsCoreCharsets, root.pdfjsCoreEncodings); + }(this, function (exports, sharedUtil, coreCharsets, coreEncodings) { + var error = sharedUtil.error; + var info = sharedUtil.info; + var bytesToString = sharedUtil.bytesToString; + var warn = sharedUtil.warn; + var isArray = sharedUtil.isArray; + var Util = sharedUtil.Util; + var stringToBytes = sharedUtil.stringToBytes; + var assert = sharedUtil.assert; + var ISOAdobeCharset = coreCharsets.ISOAdobeCharset; + var ExpertCharset = coreCharsets.ExpertCharset; + var ExpertSubsetCharset = coreCharsets.ExpertSubsetCharset; + var StandardEncoding = coreEncodings.StandardEncoding; + var ExpertEncoding = coreEncodings.ExpertEncoding; + // Maximum subroutine call depth of type 2 chartrings. Matches OTS. + var MAX_SUBR_NESTING = 10; + /** + * The CFF class takes a Type1 file and wrap it into a + * 'Compact Font Format' which itself embed Type2 charstrings. + */ + var CFFStandardStrings = [ + '.notdef', + 'space', + 'exclam', + 'quotedbl', + 'numbersign', + 'dollar', + 'percent', + 'ampersand', + 'quoteright', + 'parenleft', + 'parenright', + 'asterisk', + 'plus', + 'comma', + 'hyphen', + 'period', + 'slash', + 'zero', + 'one', + 'two', + 'three', + 'four', + 'five', + 'six', + 'seven', + 'eight', + 'nine', + 'colon', + 'semicolon', + 'less', + 'equal', + 'greater', + 'question', + 'at', + 'A', + 'B', + 'C', + 'D', + 'E', + 'F', + 'G', + 'H', + 'I', + 'J', + 'K', + 'L', + 'M', + 'N', + 'O', + 'P', + 'Q', + 'R', + 'S', + 'T', + 'U', + 'V', + 'W', + 'X', + 'Y', + 'Z', + 'bracketleft', + 'backslash', + 'bracketright', + 'asciicircum', + 'underscore', + 'quoteleft', + 'a', + 'b', + 'c', + 'd', + 'e', + 'f', + 'g', + 'h', + 'i', + 'j', + 'k', + 'l', + 'm', + 'n', + 'o', + 'p', + 'q', + 'r', + 's', + 't', + 'u', + 'v', + 'w', + 'x', + 'y', + 'z', + 'braceleft', + 'bar', + 'braceright', + 'asciitilde', + 'exclamdown', + 'cent', + 'sterling', + 'fraction', + 'yen', + 'florin', + 'section', + 'currency', + 'quotesingle', + 'quotedblleft', + 'guillemotleft', + 'guilsinglleft', + 'guilsinglright', + 'fi', + 'fl', + 'endash', + 'dagger', + 'daggerdbl', + 'periodcentered', + 'paragraph', + 'bullet', + 'quotesinglbase', + 'quotedblbase', + 'quotedblright', + 'guillemotright', + 'ellipsis', + 'perthousand', + 'questiondown', + 'grave', + 'acute', + 'circumflex', + 'tilde', + 'macron', + 'breve', + 'dotaccent', + 'dieresis', + 'ring', + 'cedilla', + 'hungarumlaut', + 'ogonek', + 'caron', + 'emdash', + 'AE', + 'ordfeminine', + 'Lslash', + 'Oslash', + 'OE', + 'ordmasculine', + 'ae', + 'dotlessi', + 'lslash', + 'oslash', + 'oe', + 'germandbls', + 'onesuperior', + 'logicalnot', + 'mu', + 'trademark', + 'Eth', + 'onehalf', + 'plusminus', + 'Thorn', + 'onequarter', + 'divide', + 'brokenbar', + 'degree', + 'thorn', + 'threequarters', + 'twosuperior', + 'registered', + 'minus', + 'eth', + 'multiply', + 'threesuperior', + 'copyright', + 'Aacute', + 'Acircumflex', + 'Adieresis', + 'Agrave', + 'Aring', + 'Atilde', + 'Ccedilla', + 'Eacute', + 'Ecircumflex', + 'Edieresis', + 'Egrave', + 'Iacute', + 'Icircumflex', + 'Idieresis', + 'Igrave', + 'Ntilde', + 'Oacute', + 'Ocircumflex', + 'Odieresis', + 'Ograve', + 'Otilde', + 'Scaron', + 'Uacute', + 'Ucircumflex', + 'Udieresis', + 'Ugrave', + 'Yacute', + 'Ydieresis', + 'Zcaron', + 'aacute', + 'acircumflex', + 'adieresis', + 'agrave', + 'aring', + 'atilde', + 'ccedilla', + 'eacute', + 'ecircumflex', + 'edieresis', + 'egrave', + 'iacute', + 'icircumflex', + 'idieresis', + 'igrave', + 'ntilde', + 'oacute', + 'ocircumflex', + 'odieresis', + 'ograve', + 'otilde', + 'scaron', + 'uacute', + 'ucircumflex', + 'udieresis', + 'ugrave', + 'yacute', + 'ydieresis', + 'zcaron', + 'exclamsmall', + 'Hungarumlautsmall', + 'dollaroldstyle', + 'dollarsuperior', + 'ampersandsmall', + 'Acutesmall', + 'parenleftsuperior', + 'parenrightsuperior', + 'twodotenleader', + 'onedotenleader', + 'zerooldstyle', + 'oneoldstyle', + 'twooldstyle', + 'threeoldstyle', + 'fouroldstyle', + 'fiveoldstyle', + 'sixoldstyle', + 'sevenoldstyle', + 'eightoldstyle', + 'nineoldstyle', + 'commasuperior', + 'threequartersemdash', + 'periodsuperior', + 'questionsmall', + 'asuperior', + 'bsuperior', + 'centsuperior', + 'dsuperior', + 'esuperior', + 'isuperior', + 'lsuperior', + 'msuperior', + 'nsuperior', + 'osuperior', + 'rsuperior', + 'ssuperior', + 'tsuperior', + 'ff', + 'ffi', + 'ffl', + 'parenleftinferior', + 'parenrightinferior', + 'Circumflexsmall', + 'hyphensuperior', + 'Gravesmall', + 'Asmall', + 'Bsmall', + 'Csmall', + 'Dsmall', + 'Esmall', + 'Fsmall', + 'Gsmall', + 'Hsmall', + 'Ismall', + 'Jsmall', + 'Ksmall', + 'Lsmall', + 'Msmall', + 'Nsmall', + 'Osmall', + 'Psmall', + 'Qsmall', + 'Rsmall', + 'Ssmall', + 'Tsmall', + 'Usmall', + 'Vsmall', + 'Wsmall', + 'Xsmall', + 'Ysmall', + 'Zsmall', + 'colonmonetary', + 'onefitted', + 'rupiah', + 'Tildesmall', + 'exclamdownsmall', + 'centoldstyle', + 'Lslashsmall', + 'Scaronsmall', + 'Zcaronsmall', + 'Dieresissmall', + 'Brevesmall', + 'Caronsmall', + 'Dotaccentsmall', + 'Macronsmall', + 'figuredash', + 'hypheninferior', + 'Ogoneksmall', + 'Ringsmall', + 'Cedillasmall', + 'questiondownsmall', + 'oneeighth', + 'threeeighths', + 'fiveeighths', + 'seveneighths', + 'onethird', + 'twothirds', + 'zerosuperior', + 'foursuperior', + 'fivesuperior', + 'sixsuperior', + 'sevensuperior', + 'eightsuperior', + 'ninesuperior', + 'zeroinferior', + 'oneinferior', + 'twoinferior', + 'threeinferior', + 'fourinferior', + 'fiveinferior', + 'sixinferior', + 'seveninferior', + 'eightinferior', + 'nineinferior', + 'centinferior', + 'dollarinferior', + 'periodinferior', + 'commainferior', + 'Agravesmall', + 'Aacutesmall', + 'Acircumflexsmall', + 'Atildesmall', + 'Adieresissmall', + 'Aringsmall', + 'AEsmall', + 'Ccedillasmall', + 'Egravesmall', + 'Eacutesmall', + 'Ecircumflexsmall', + 'Edieresissmall', + 'Igravesmall', + 'Iacutesmall', + 'Icircumflexsmall', + 'Idieresissmall', + 'Ethsmall', + 'Ntildesmall', + 'Ogravesmall', + 'Oacutesmall', + 'Ocircumflexsmall', + 'Otildesmall', + 'Odieresissmall', + 'OEsmall', + 'Oslashsmall', + 'Ugravesmall', + 'Uacutesmall', + 'Ucircumflexsmall', + 'Udieresissmall', + 'Yacutesmall', + 'Thornsmall', + 'Ydieresissmall', + '001.000', + '001.001', + '001.002', + '001.003', + 'Black', + 'Bold', + 'Book', + 'Light', + 'Medium', + 'Regular', + 'Roman', + 'Semibold' + ]; + var CFFParser = function CFFParserClosure() { + var CharstringValidationData = [ + null, + { + id: 'hstem', + min: 2, + stackClearing: true, + stem: true + }, + null, + { + id: 'vstem', + min: 2, + stackClearing: true, + stem: true + }, + { + id: 'vmoveto', + min: 1, + stackClearing: true + }, + { + id: 'rlineto', + min: 2, + resetStack: true + }, + { + id: 'hlineto', + min: 1, + resetStack: true + }, + { + id: 'vlineto', + min: 1, + resetStack: true + }, + { + id: 'rrcurveto', + min: 6, + resetStack: true + }, + null, + { + id: 'callsubr', + min: 1, + undefStack: true + }, + { + id: 'return', + min: 0, + undefStack: true + }, + null, + // 12 + null, + { + id: 'endchar', + min: 0, + stackClearing: true + }, + null, + null, + null, + { + id: 'hstemhm', + min: 2, + stackClearing: true, + stem: true + }, + { + id: 'hintmask', + min: 0, + stackClearing: true + }, + { + id: 'cntrmask', + min: 0, + stackClearing: true + }, + { + id: 'rmoveto', + min: 2, + stackClearing: true + }, + { + id: 'hmoveto', + min: 1, + stackClearing: true + }, + { + id: 'vstemhm', + min: 2, + stackClearing: true, + stem: true + }, + { + id: 'rcurveline', + min: 8, + resetStack: true + }, + { + id: 'rlinecurve', + min: 8, + resetStack: true + }, + { + id: 'vvcurveto', + min: 4, + resetStack: true + }, + { + id: 'hhcurveto', + min: 4, + resetStack: true + }, + null, + // shortint + { + id: 'callgsubr', + min: 1, + undefStack: true + }, + { + id: 'vhcurveto', + min: 4, + resetStack: true + }, + { + id: 'hvcurveto', + min: 4, + resetStack: true + } + ]; + var CharstringValidationData12 = [ + null, + null, + null, + { + id: 'and', + min: 2, + stackDelta: -1 + }, + { + id: 'or', + min: 2, + stackDelta: -1 + }, + { + id: 'not', + min: 1, + stackDelta: 0 + }, + null, + null, + null, + { + id: 'abs', + min: 1, + stackDelta: 0 + }, + { + id: 'add', + min: 2, + stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] + stack[index - 1]; + } + }, + { + id: 'sub', + min: 2, + stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] - stack[index - 1]; + } + }, + { + id: 'div', + min: 2, + stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] / stack[index - 1]; + } + }, + null, + { + id: 'neg', + min: 1, + stackDelta: 0, + stackFn: function stack_div(stack, index) { + stack[index - 1] = -stack[index - 1]; + } + }, + { + id: 'eq', + min: 2, + stackDelta: -1 + }, + null, + null, + { + id: 'drop', + min: 1, + stackDelta: -1 + }, + null, + { + id: 'put', + min: 2, + stackDelta: -2 + }, + { + id: 'get', + min: 1, + stackDelta: 0 + }, + { + id: 'ifelse', + min: 4, + stackDelta: -3 + }, + { + id: 'random', + min: 0, + stackDelta: 1 + }, + { + id: 'mul', + min: 2, + stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] * stack[index - 1]; + } + }, + null, + { + id: 'sqrt', + min: 1, + stackDelta: 0 + }, + { + id: 'dup', + min: 1, + stackDelta: 1 + }, + { + id: 'exch', + min: 2, + stackDelta: 0 + }, + { + id: 'index', + min: 2, + stackDelta: 0 + }, + { + id: 'roll', + min: 3, + stackDelta: -2 + }, + null, + null, + null, + { + id: 'hflex', + min: 7, + resetStack: true + }, + { + id: 'flex', + min: 13, + resetStack: true + }, + { + id: 'hflex1', + min: 9, + resetStack: true + }, + { + id: 'flex1', + min: 11, + resetStack: true + } + ]; + function CFFParser(file, properties, seacAnalysisEnabled) { + this.bytes = file.getBytes(); + this.properties = properties; + this.seacAnalysisEnabled = !!seacAnalysisEnabled; + } + CFFParser.prototype = { + parse: function CFFParser_parse() { + var properties = this.properties; + var cff = new CFF(); + this.cff = cff; + // The first five sections must be in order, all the others are reached + // via offsets contained in one of the below. + var header = this.parseHeader(); + var nameIndex = this.parseIndex(header.endPos); + var topDictIndex = this.parseIndex(nameIndex.endPos); + var stringIndex = this.parseIndex(topDictIndex.endPos); + var globalSubrIndex = this.parseIndex(stringIndex.endPos); + var topDictParsed = this.parseDict(topDictIndex.obj.get(0)); + var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings); + cff.header = header.obj; + cff.names = this.parseNameIndex(nameIndex.obj); + cff.strings = this.parseStringIndex(stringIndex.obj); + cff.topDict = topDict; + cff.globalSubrIndex = globalSubrIndex.obj; + this.parsePrivateDict(cff.topDict); + cff.isCIDFont = topDict.hasName('ROS'); + var charStringOffset = topDict.getByName('CharStrings'); + var charStringIndex = this.parseIndex(charStringOffset).obj; + var fontMatrix = topDict.getByName('FontMatrix'); + if (fontMatrix) { + properties.fontMatrix = fontMatrix; + } + var fontBBox = topDict.getByName('FontBBox'); + if (fontBBox) { + // adjusting ascent/descent + properties.ascent = fontBBox[3]; + properties.descent = fontBBox[1]; + properties.ascentScaled = true; + } + var charset, encoding; + if (cff.isCIDFont) { + var fdArrayIndex = this.parseIndex(topDict.getByName('FDArray')).obj; + for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) { + var dictRaw = fdArrayIndex.get(i); + var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), cff.strings); + this.parsePrivateDict(fontDict); + cff.fdArray.push(fontDict); + } + // cid fonts don't have an encoding + encoding = null; + charset = this.parseCharsets(topDict.getByName('charset'), charStringIndex.count, cff.strings, true); + cff.fdSelect = this.parseFDSelect(topDict.getByName('FDSelect'), charStringIndex.count); + } else { + charset = this.parseCharsets(topDict.getByName('charset'), charStringIndex.count, cff.strings, false); + encoding = this.parseEncoding(topDict.getByName('Encoding'), properties, cff.strings, charset.charset); + } + cff.charset = charset; + cff.encoding = encoding; + var charStringsAndSeacs = this.parseCharStrings(charStringIndex, topDict.privateDict.subrsIndex, globalSubrIndex.obj, cff.fdSelect, cff.fdArray); + cff.charStrings = charStringsAndSeacs.charStrings; + cff.seacs = charStringsAndSeacs.seacs; + cff.widths = charStringsAndSeacs.widths; + return cff; + }, + parseHeader: function CFFParser_parseHeader() { + var bytes = this.bytes; + var bytesLength = bytes.length; + var offset = 0; + // Prevent an infinite loop, by checking that the offset is within the + // bounds of the bytes array. Necessary in empty, or invalid, font files. + while (offset < bytesLength && bytes[offset] !== 1) { + ++offset; + } + if (offset >= bytesLength) { + error('Invalid CFF header'); + } else if (offset !== 0) { + info('cff data is shifted'); + bytes = bytes.subarray(offset); + this.bytes = bytes; + } + var major = bytes[0]; + var minor = bytes[1]; + var hdrSize = bytes[2]; + var offSize = bytes[3]; + var header = new CFFHeader(major, minor, hdrSize, offSize); + return { + obj: header, + endPos: hdrSize + }; + }, + parseDict: function CFFParser_parseDict(dict) { + var pos = 0; + function parseOperand() { + var value = dict[pos++]; + if (value === 30) { + return parseFloatOperand(); + } else if (value === 28) { + value = dict[pos++]; + value = (value << 24 | dict[pos++] << 16) >> 16; + return value; + } else if (value === 29) { + value = dict[pos++]; + value = value << 8 | dict[pos++]; + value = value << 8 | dict[pos++]; + value = value << 8 | dict[pos++]; + return value; + } else if (value >= 32 && value <= 246) { + return value - 139; + } else if (value >= 247 && value <= 250) { + return (value - 247) * 256 + dict[pos++] + 108; + } else if (value >= 251 && value <= 254) { + return -((value - 251) * 256) - dict[pos++] - 108; + } else { + warn('CFFParser_parseDict: "' + value + '" is a reserved command.'); + return NaN; + } + } + function parseFloatOperand() { + var str = ''; + var eof = 15; + var lookup = [ + '0', + '1', + '2', + '3', + '4', + '5', + '6', + '7', + '8', + '9', + '.', + 'E', + 'E-', + null, + '-' + ]; + var length = dict.length; + while (pos < length) { + var b = dict[pos++]; + var b1 = b >> 4; + var b2 = b & 15; + if (b1 === eof) { + break; + } + str += lookup[b1]; + if (b2 === eof) { + break; + } + str += lookup[b2]; + } + return parseFloat(str); + } + var operands = []; + var entries = []; + pos = 0; + var end = dict.length; + while (pos < end) { + var b = dict[pos]; + if (b <= 21) { + if (b === 12) { + b = b << 8 | dict[++pos]; + } + entries.push([ + b, + operands + ]); + operands = []; + ++pos; + } else { + operands.push(parseOperand()); + } + } + return entries; + }, + parseIndex: function CFFParser_parseIndex(pos) { + var cffIndex = new CFFIndex(); + var bytes = this.bytes; + var count = bytes[pos++] << 8 | bytes[pos++]; + var offsets = []; + var end = pos; + var i, ii; + if (count !== 0) { + var offsetSize = bytes[pos++]; + // add 1 for offset to determine size of last object + var startPos = pos + (count + 1) * offsetSize - 1; + for (i = 0, ii = count + 1; i < ii; ++i) { + var offset = 0; + for (var j = 0; j < offsetSize; ++j) { + offset <<= 8; + offset += bytes[pos++]; + } + offsets.push(startPos + offset); + } + end = offsets[count]; + } + for (i = 0, ii = offsets.length - 1; i < ii; ++i) { + var offsetStart = offsets[i]; + var offsetEnd = offsets[i + 1]; + cffIndex.add(bytes.subarray(offsetStart, offsetEnd)); + } + return { + obj: cffIndex, + endPos: end + }; + }, + parseNameIndex: function CFFParser_parseNameIndex(index) { + var names = []; + for (var i = 0, ii = index.count; i < ii; ++i) { + var name = index.get(i); + // OTS doesn't allow names to be over 127 characters. + var length = Math.min(name.length, 127); + var data = []; + // OTS also only permits certain characters in the name. + for (var j = 0; j < length; ++j) { + var c = name[j]; + if (j === 0 && c === 0) { + data[j] = c; + continue; + } + if (c < 33 || c > 126 || c === 91 || /* [ */ + c === 93 || /* ] */ + c === 40 || /* ( */ + c === 41 || /* ) */ + c === 123 || /* { */ + c === 125 || /* } */ + c === 60 || /* < */ + c === 62 || /* > */ + c === 47 || /* / */ + c === 37 || /* % */ + c === 35) + /* # */ + { + data[j] = 95; + continue; + } + data[j] = c; + } + names.push(bytesToString(data)); + } + return names; + }, + parseStringIndex: function CFFParser_parseStringIndex(index) { + var strings = new CFFStrings(); + for (var i = 0, ii = index.count; i < ii; ++i) { + var data = index.get(i); + strings.add(bytesToString(data)); + } + return strings; + }, + createDict: function CFFParser_createDict(Type, dict, strings) { + var cffDict = new Type(strings); + for (var i = 0, ii = dict.length; i < ii; ++i) { + var pair = dict[i]; + var key = pair[0]; + var value = pair[1]; + cffDict.setByKey(key, value); + } + return cffDict; + }, + parseCharString: function CFFParser_parseCharString(state, data, localSubrIndex, globalSubrIndex) { + if (state.callDepth > MAX_SUBR_NESTING) { + return false; + } + var stackSize = state.stackSize; + var stack = state.stack; + var length = data.length; + for (var j = 0; j < length;) { + var value = data[j++]; + var validationCommand = null; + if (value === 12) { + var q = data[j++]; + if (q === 0) { + // The CFF specification state that the 'dotsection' command + // (12, 0) is deprecated and treated as a no-op, but all Type2 + // charstrings processors should support them. Unfortunately + // the font sanitizer don't. As a workaround the sequence (12, 0) + // is replaced by a useless (0, hmoveto). + data[j - 2] = 139; + data[j - 1] = 22; + stackSize = 0; + } else { + validationCommand = CharstringValidationData12[q]; + } + } else if (value === 28) { + // number (16 bit) + stack[stackSize] = (data[j] << 24 | data[j + 1] << 16) >> 16; + j += 2; + stackSize++; + } else if (value === 14) { + if (stackSize >= 4) { + stackSize -= 4; + if (this.seacAnalysisEnabled) { + state.seac = stack.slice(stackSize, stackSize + 4); + return false; + } + } + validationCommand = CharstringValidationData[value]; + } else if (value >= 32 && value <= 246) { + // number + stack[stackSize] = value - 139; + stackSize++; + } else if (value >= 247 && value <= 254) { + // number (+1 bytes) + stack[stackSize] = value < 251 ? (value - 247 << 8) + data[j] + 108 : -(value - 251 << 8) - data[j] - 108; + j++; + stackSize++; + } else if (value === 255) { + // number (32 bit) + stack[stackSize] = (data[j] << 24 | data[j + 1] << 16 | data[j + 2] << 8 | data[j + 3]) / 65536; + j += 4; + stackSize++; + } else if (value === 19 || value === 20) { + state.hints += stackSize >> 1; + // skipping right amount of hints flag data + j += state.hints + 7 >> 3; + stackSize %= 2; + validationCommand = CharstringValidationData[value]; + } else if (value === 10 || value === 29) { + var subrsIndex; + if (value === 10) { + subrsIndex = localSubrIndex; + } else { + subrsIndex = globalSubrIndex; + } + if (!subrsIndex) { + validationCommand = CharstringValidationData[value]; + warn('Missing subrsIndex for ' + validationCommand.id); + return false; + } + var bias = 32768; + if (subrsIndex.count < 1240) { + bias = 107; + } else if (subrsIndex.count < 33900) { + bias = 1131; + } + var subrNumber = stack[--stackSize] + bias; + if (subrNumber < 0 || subrNumber >= subrsIndex.count) { + validationCommand = CharstringValidationData[value]; + warn('Out of bounds subrIndex for ' + validationCommand.id); + return false; + } + state.stackSize = stackSize; + state.callDepth++; + var valid = this.parseCharString(state, subrsIndex.get(subrNumber), localSubrIndex, globalSubrIndex); + if (!valid) { + return false; + } + state.callDepth--; + stackSize = state.stackSize; + continue; + } else if (value === 11) { + state.stackSize = stackSize; + return true; + } else { + validationCommand = CharstringValidationData[value]; + } + if (validationCommand) { + if (validationCommand.stem) { + state.hints += stackSize >> 1; + } + if ('min' in validationCommand) { + if (!state.undefStack && stackSize < validationCommand.min) { + warn('Not enough parameters for ' + validationCommand.id + '; actual: ' + stackSize + ', expected: ' + validationCommand.min); + return false; + } + } + if (state.firstStackClearing && validationCommand.stackClearing) { + state.firstStackClearing = false; + // the optional character width can be found before the first + // stack-clearing command arguments + stackSize -= validationCommand.min; + if (stackSize >= 2 && validationCommand.stem) { + // there are even amount of arguments for stem commands + stackSize %= 2; + } else if (stackSize > 1) { + warn('Found too many parameters for stack-clearing command'); + } + if (stackSize > 0 && stack[stackSize - 1] >= 0) { + state.width = stack[stackSize - 1]; + } + } + if ('stackDelta' in validationCommand) { + if ('stackFn' in validationCommand) { + validationCommand.stackFn(stack, stackSize); + } + stackSize += validationCommand.stackDelta; + } else if (validationCommand.stackClearing) { + stackSize = 0; + } else if (validationCommand.resetStack) { + stackSize = 0; + state.undefStack = false; + } else if (validationCommand.undefStack) { + stackSize = 0; + state.undefStack = true; + state.firstStackClearing = false; + } + } + } + state.stackSize = stackSize; + return true; + }, + parseCharStrings: function CFFParser_parseCharStrings(charStrings, localSubrIndex, globalSubrIndex, fdSelect, fdArray) { + var seacs = []; + var widths = []; + var count = charStrings.count; + for (var i = 0; i < count; i++) { + var charstring = charStrings.get(i); + var state = { + callDepth: 0, + stackSize: 0, + stack: [], + undefStack: true, + hints: 0, + firstStackClearing: true, + seac: null, + width: null + }; + var valid = true; + var localSubrToUse = null; + if (fdSelect && fdArray.length) { + var fdIndex = fdSelect.getFDIndex(i); + if (fdIndex === -1) { + warn('Glyph index is not in fd select.'); + valid = false; + } + if (fdIndex >= fdArray.length) { + warn('Invalid fd index for glyph index.'); + valid = false; + } + if (valid) { + localSubrToUse = fdArray[fdIndex].privateDict.subrsIndex; + } + } else if (localSubrIndex) { + localSubrToUse = localSubrIndex; + } + if (valid) { + valid = this.parseCharString(state, charstring, localSubrToUse, globalSubrIndex); + } + if (state.width !== null) { + widths[i] = state.width; + } + if (state.seac !== null) { + seacs[i] = state.seac; + } + if (!valid) { + // resetting invalid charstring to single 'endchar' + charStrings.set(i, new Uint8Array([14])); + } + } + return { + charStrings: charStrings, + seacs: seacs, + widths: widths + }; + }, + emptyPrivateDictionary: function CFFParser_emptyPrivateDictionary(parentDict) { + var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings); + parentDict.setByKey(18, [ + 0, + 0 + ]); + parentDict.privateDict = privateDict; + }, + parsePrivateDict: function CFFParser_parsePrivateDict(parentDict) { + // no private dict, do nothing + if (!parentDict.hasName('Private')) { + this.emptyPrivateDictionary(parentDict); + return; + } + var privateOffset = parentDict.getByName('Private'); + // make sure the params are formatted correctly + if (!isArray(privateOffset) || privateOffset.length !== 2) { + parentDict.removeByName('Private'); + return; + } + var size = privateOffset[0]; + var offset = privateOffset[1]; + // remove empty dicts or ones that refer to invalid location + if (size === 0 || offset >= this.bytes.length) { + this.emptyPrivateDictionary(parentDict); + return; + } + var privateDictEnd = offset + size; + var dictData = this.bytes.subarray(offset, privateDictEnd); + var dict = this.parseDict(dictData); + var privateDict = this.createDict(CFFPrivateDict, dict, parentDict.strings); + parentDict.privateDict = privateDict; + // Parse the Subrs index also since it's relative to the private dict. + if (!privateDict.getByName('Subrs')) { + return; + } + var subrsOffset = privateDict.getByName('Subrs'); + var relativeOffset = offset + subrsOffset; + // Validate the offset. + if (subrsOffset === 0 || relativeOffset >= this.bytes.length) { + this.emptyPrivateDictionary(parentDict); + return; + } + var subrsIndex = this.parseIndex(relativeOffset); + privateDict.subrsIndex = subrsIndex.obj; + }, + parseCharsets: function CFFParser_parseCharsets(pos, length, strings, cid) { + if (pos === 0) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, ISOAdobeCharset); + } else if (pos === 1) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, ExpertCharset); + } else if (pos === 2) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, ExpertSubsetCharset); + } + var bytes = this.bytes; + var start = pos; + var format = bytes[pos++]; + var charset = ['.notdef']; + var id, count, i; + // subtract 1 for the .notdef glyph + length -= 1; + switch (format) { + case 0: + for (i = 0; i < length; i++) { + id = bytes[pos++] << 8 | bytes[pos++]; + charset.push(cid ? id : strings.get(id)); + } + break; + case 1: + while (charset.length <= length) { + id = bytes[pos++] << 8 | bytes[pos++]; + count = bytes[pos++]; + for (i = 0; i <= count; i++) { + charset.push(cid ? id++ : strings.get(id++)); + } + } + break; + case 2: + while (charset.length <= length) { + id = bytes[pos++] << 8 | bytes[pos++]; + count = bytes[pos++] << 8 | bytes[pos++]; + for (i = 0; i <= count; i++) { + charset.push(cid ? id++ : strings.get(id++)); + } + } + break; + default: + error('Unknown charset format'); + } + // Raw won't be needed if we actually compile the charset. + var end = pos; + var raw = bytes.subarray(start, end); + return new CFFCharset(false, format, charset, raw); + }, + parseEncoding: function CFFParser_parseEncoding(pos, properties, strings, charset) { + var encoding = Object.create(null); + var bytes = this.bytes; + var predefined = false; + var hasSupplement = false; + var format, i, ii; + var raw = null; + function readSupplement() { + var supplementsCount = bytes[pos++]; + for (i = 0; i < supplementsCount; i++) { + var code = bytes[pos++]; + var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff); + encoding[code] = charset.indexOf(strings.get(sid)); + } + } + if (pos === 0 || pos === 1) { + predefined = true; + format = pos; + var baseEncoding = pos ? ExpertEncoding : StandardEncoding; + for (i = 0, ii = charset.length; i < ii; i++) { + var index = baseEncoding.indexOf(charset[i]); + if (index !== -1) { + encoding[index] = i; + } + } + } else { + var dataStart = pos; + format = bytes[pos++]; + switch (format & 0x7f) { + case 0: + var glyphsCount = bytes[pos++]; + for (i = 1; i <= glyphsCount; i++) { + encoding[bytes[pos++]] = i; + } + break; + case 1: + var rangesCount = bytes[pos++]; + var gid = 1; + for (i = 0; i < rangesCount; i++) { + var start = bytes[pos++]; + var left = bytes[pos++]; + for (var j = start; j <= start + left; j++) { + encoding[j] = gid++; + } + } + break; + default: + error('Unknown encoding format: ' + format + ' in CFF'); + break; + } + var dataEnd = pos; + if (format & 0x80) { + // The font sanitizer does not support CFF encoding with a + // supplement, since the encoding is not really used to map + // between gid to glyph, let's overwrite what is declared in + // the top dictionary to let the sanitizer think the font use + // StandardEncoding, that's a lie but that's ok. + bytes[dataStart] &= 0x7f; + readSupplement(); + hasSupplement = true; + } + raw = bytes.subarray(dataStart, dataEnd); + } + format = format & 0x7f; + return new CFFEncoding(predefined, format, encoding, raw); + }, + parseFDSelect: function CFFParser_parseFDSelect(pos, length) { + var start = pos; + var bytes = this.bytes; + var format = bytes[pos++]; + var fdSelect = [], rawBytes; + var i, invalidFirstGID = false; + switch (format) { + case 0: + for (i = 0; i < length; ++i) { + var id = bytes[pos++]; + fdSelect.push(id); + } + rawBytes = bytes.subarray(start, pos); + break; + case 3: + var rangesCount = bytes[pos++] << 8 | bytes[pos++]; + for (i = 0; i < rangesCount; ++i) { + var first = bytes[pos++] << 8 | bytes[pos++]; + if (i === 0 && first !== 0) { + warn('parseFDSelect: The first range must have a first GID of 0' + ' -- trying to recover.'); + invalidFirstGID = true; + first = 0; + } + var fdIndex = bytes[pos++]; + var next = bytes[pos] << 8 | bytes[pos + 1]; + for (var j = first; j < next; ++j) { + fdSelect.push(fdIndex); + } + } + // Advance past the sentinel(next). + pos += 2; + rawBytes = bytes.subarray(start, pos); + if (invalidFirstGID) { + rawBytes[3] = rawBytes[4] = 0; + } + // Adjust the first range, first GID. + break; + default: + error('parseFDSelect: Unknown format "' + format + '".'); + break; + } + assert(fdSelect.length === length, 'parseFDSelect: Invalid font data.'); + return new CFFFDSelect(fdSelect, rawBytes); + } + }; + return CFFParser; + }(); + // Compact Font Format + var CFF = function CFFClosure() { + function CFF() { + this.header = null; + this.names = []; + this.topDict = null; + this.strings = new CFFStrings(); + this.globalSubrIndex = null; + // The following could really be per font, but since we only have one font + // store them here. + this.encoding = null; + this.charset = null; + this.charStrings = null; + this.fdArray = []; + this.fdSelect = null; + this.isCIDFont = false; + } + return CFF; + }(); + var CFFHeader = function CFFHeaderClosure() { + function CFFHeader(major, minor, hdrSize, offSize) { + this.major = major; + this.minor = minor; + this.hdrSize = hdrSize; + this.offSize = offSize; + } + return CFFHeader; + }(); + var CFFStrings = function CFFStringsClosure() { + function CFFStrings() { + this.strings = []; + } + CFFStrings.prototype = { + get: function CFFStrings_get(index) { + if (index >= 0 && index <= 390) { + return CFFStandardStrings[index]; + } + if (index - 391 <= this.strings.length) { + return this.strings[index - 391]; + } + return CFFStandardStrings[0]; + }, + add: function CFFStrings_add(value) { + this.strings.push(value); + }, + get count() { + return this.strings.length; + } + }; + return CFFStrings; + }(); + var CFFIndex = function CFFIndexClosure() { + function CFFIndex() { + this.objects = []; + this.length = 0; + } + CFFIndex.prototype = { + add: function CFFIndex_add(data) { + this.length += data.length; + this.objects.push(data); + }, + set: function CFFIndex_set(index, data) { + this.length += data.length - this.objects[index].length; + this.objects[index] = data; + }, + get: function CFFIndex_get(index) { + return this.objects[index]; + }, + get count() { + return this.objects.length; + } + }; + return CFFIndex; + }(); + var CFFDict = function CFFDictClosure() { + function CFFDict(tables, strings) { + this.keyToNameMap = tables.keyToNameMap; + this.nameToKeyMap = tables.nameToKeyMap; + this.defaults = tables.defaults; + this.types = tables.types; + this.opcodes = tables.opcodes; + this.order = tables.order; + this.strings = strings; + this.values = Object.create(null); + } + CFFDict.prototype = { + // value should always be an array + setByKey: function CFFDict_setByKey(key, value) { + if (!(key in this.keyToNameMap)) { + return false; + } + var valueLength = value.length; + // ignore empty values + if (valueLength === 0) { + return true; + } + // Ignore invalid values (fixes bug1068432.pdf and bug1308536.pdf). + for (var i = 0; i < valueLength; i++) { + if (isNaN(value[i])) { + warn('Invalid CFFDict value: "' + value + '" for key "' + key + '".'); + return true; + } + } + var type = this.types[key]; + // remove the array wrapping these types of values + if (type === 'num' || type === 'sid' || type === 'offset') { + value = value[0]; + } + this.values[key] = value; + return true; + }, + setByName: function CFFDict_setByName(name, value) { + if (!(name in this.nameToKeyMap)) { + error('Invalid dictionary name "' + name + '"'); + } + this.values[this.nameToKeyMap[name]] = value; + }, + hasName: function CFFDict_hasName(name) { + return this.nameToKeyMap[name] in this.values; + }, + getByName: function CFFDict_getByName(name) { + if (!(name in this.nameToKeyMap)) { + error('Invalid dictionary name "' + name + '"'); + } + var key = this.nameToKeyMap[name]; + if (!(key in this.values)) { + return this.defaults[key]; + } + return this.values[key]; + }, + removeByName: function CFFDict_removeByName(name) { + delete this.values[this.nameToKeyMap[name]]; + } + }; + CFFDict.createTables = function CFFDict_createTables(layout) { + var tables = { + keyToNameMap: {}, + nameToKeyMap: {}, + defaults: {}, + types: {}, + opcodes: {}, + order: [] + }; + for (var i = 0, ii = layout.length; i < ii; ++i) { + var entry = layout[i]; + var key = isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0]; + tables.keyToNameMap[key] = entry[1]; + tables.nameToKeyMap[entry[1]] = key; + tables.types[key] = entry[2]; + tables.defaults[key] = entry[3]; + tables.opcodes[key] = isArray(entry[0]) ? entry[0] : [entry[0]]; + tables.order.push(key); + } + return tables; + }; + return CFFDict; + }(); + var CFFTopDict = function CFFTopDictClosure() { + var layout = [ + [ + [ + 12, + 30 + ], + 'ROS', + [ + 'sid', + 'sid', + 'num' + ], + null + ], + [ + [ + 12, + 20 + ], + 'SyntheticBase', + 'num', + null + ], + [ + 0, + 'version', + 'sid', + null + ], + [ + 1, + 'Notice', + 'sid', + null + ], + [ + [ + 12, + 0 + ], + 'Copyright', + 'sid', + null + ], + [ + 2, + 'FullName', + 'sid', + null + ], + [ + 3, + 'FamilyName', + 'sid', + null + ], + [ + 4, + 'Weight', + 'sid', + null + ], + [ + [ + 12, + 1 + ], + 'isFixedPitch', + 'num', + 0 + ], + [ + [ + 12, + 2 + ], + 'ItalicAngle', + 'num', + 0 + ], + [ + [ + 12, + 3 + ], + 'UnderlinePosition', + 'num', + -100 + ], + [ + [ + 12, + 4 + ], + 'UnderlineThickness', + 'num', + 50 + ], + [ + [ + 12, + 5 + ], + 'PaintType', + 'num', + 0 + ], + [ + [ + 12, + 6 + ], + 'CharstringType', + 'num', + 2 + ], + [ + [ + 12, + 7 + ], + 'FontMatrix', + [ + 'num', + 'num', + 'num', + 'num', + 'num', + 'num' + ], + [ + 0.001, + 0, + 0, + 0.001, + 0, + 0 + ] + ], + [ + 13, + 'UniqueID', + 'num', + null + ], + [ + 5, + 'FontBBox', + [ + 'num', + 'num', + 'num', + 'num' + ], + [ + 0, + 0, + 0, + 0 + ] + ], + [ + [ + 12, + 8 + ], + 'StrokeWidth', + 'num', + 0 + ], + [ + 14, + 'XUID', + 'array', + null + ], + [ + 15, + 'charset', + 'offset', + 0 + ], + [ + 16, + 'Encoding', + 'offset', + 0 + ], + [ + 17, + 'CharStrings', + 'offset', + 0 + ], + [ + 18, + 'Private', + [ + 'offset', + 'offset' + ], + null + ], + [ + [ + 12, + 21 + ], + 'PostScript', + 'sid', + null + ], + [ + [ + 12, + 22 + ], + 'BaseFontName', + 'sid', + null + ], + [ + [ + 12, + 23 + ], + 'BaseFontBlend', + 'delta', + null + ], + [ + [ + 12, + 31 + ], + 'CIDFontVersion', + 'num', + 0 + ], + [ + [ + 12, + 32 + ], + 'CIDFontRevision', + 'num', + 0 + ], + [ + [ + 12, + 33 + ], + 'CIDFontType', + 'num', + 0 + ], + [ + [ + 12, + 34 + ], + 'CIDCount', + 'num', + 8720 + ], + [ + [ + 12, + 35 + ], + 'UIDBase', + 'num', + null + ], + // XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes + // before FDArray. + [ + [ + 12, + 37 + ], + 'FDSelect', + 'offset', + null + ], + [ + [ + 12, + 36 + ], + 'FDArray', + 'offset', + null + ], + [ + [ + 12, + 38 + ], + 'FontName', + 'sid', + null + ] + ]; + var tables = null; + function CFFTopDict(strings) { + if (tables === null) { + tables = CFFDict.createTables(layout); + } + CFFDict.call(this, tables, strings); + this.privateDict = null; + } + CFFTopDict.prototype = Object.create(CFFDict.prototype); + return CFFTopDict; + }(); + var CFFPrivateDict = function CFFPrivateDictClosure() { + var layout = [ + [ + 6, + 'BlueValues', + 'delta', + null + ], + [ + 7, + 'OtherBlues', + 'delta', + null + ], + [ + 8, + 'FamilyBlues', + 'delta', + null + ], + [ + 9, + 'FamilyOtherBlues', + 'delta', + null + ], + [ + [ + 12, + 9 + ], + 'BlueScale', + 'num', + 0.039625 + ], + [ + [ + 12, + 10 + ], + 'BlueShift', + 'num', + 7 + ], + [ + [ + 12, + 11 + ], + 'BlueFuzz', + 'num', + 1 + ], + [ + 10, + 'StdHW', + 'num', + null + ], + [ + 11, + 'StdVW', + 'num', + null + ], + [ + [ + 12, + 12 + ], + 'StemSnapH', + 'delta', + null + ], + [ + [ + 12, + 13 + ], + 'StemSnapV', + 'delta', + null + ], + [ + [ + 12, + 14 + ], + 'ForceBold', + 'num', + 0 + ], + [ + [ + 12, + 17 + ], + 'LanguageGroup', + 'num', + 0 + ], + [ + [ + 12, + 18 + ], + 'ExpansionFactor', + 'num', + 0.06 + ], + [ + [ + 12, + 19 + ], + 'initialRandomSeed', + 'num', + 0 + ], + [ + 20, + 'defaultWidthX', + 'num', + 0 + ], + [ + 21, + 'nominalWidthX', + 'num', + 0 + ], + [ + 19, + 'Subrs', + 'offset', + null + ] + ]; + var tables = null; + function CFFPrivateDict(strings) { + if (tables === null) { + tables = CFFDict.createTables(layout); + } + CFFDict.call(this, tables, strings); + this.subrsIndex = null; + } + CFFPrivateDict.prototype = Object.create(CFFDict.prototype); + return CFFPrivateDict; + }(); + var CFFCharsetPredefinedTypes = { + ISO_ADOBE: 0, + EXPERT: 1, + EXPERT_SUBSET: 2 + }; + var CFFCharset = function CFFCharsetClosure() { + function CFFCharset(predefined, format, charset, raw) { + this.predefined = predefined; + this.format = format; + this.charset = charset; + this.raw = raw; + } + return CFFCharset; + }(); + var CFFEncoding = function CFFEncodingClosure() { + function CFFEncoding(predefined, format, encoding, raw) { + this.predefined = predefined; + this.format = format; + this.encoding = encoding; + this.raw = raw; + } + return CFFEncoding; + }(); + var CFFFDSelect = function CFFFDSelectClosure() { + function CFFFDSelect(fdSelect, raw) { + this.fdSelect = fdSelect; + this.raw = raw; + } + CFFFDSelect.prototype = { + getFDIndex: function CFFFDSelect_get(glyphIndex) { + if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) { + return -1; + } + return this.fdSelect[glyphIndex]; + } + }; + return CFFFDSelect; + }(); + // Helper class to keep track of where an offset is within the data and helps + // filling in that offset once it's known. + var CFFOffsetTracker = function CFFOffsetTrackerClosure() { + function CFFOffsetTracker() { + this.offsets = Object.create(null); + } + CFFOffsetTracker.prototype = { + isTracking: function CFFOffsetTracker_isTracking(key) { + return key in this.offsets; + }, + track: function CFFOffsetTracker_track(key, location) { + if (key in this.offsets) { + error('Already tracking location of ' + key); + } + this.offsets[key] = location; + }, + offset: function CFFOffsetTracker_offset(value) { + for (var key in this.offsets) { + this.offsets[key] += value; + } + }, + setEntryLocation: function CFFOffsetTracker_setEntryLocation(key, values, output) { + if (!(key in this.offsets)) { + error('Not tracking location of ' + key); + } + var data = output.data; + var dataOffset = this.offsets[key]; + var size = 5; + for (var i = 0, ii = values.length; i < ii; ++i) { + var offset0 = i * size + dataOffset; + var offset1 = offset0 + 1; + var offset2 = offset0 + 2; + var offset3 = offset0 + 3; + var offset4 = offset0 + 4; + // It's easy to screw up offsets so perform this sanity check. + if (data[offset0] !== 0x1d || data[offset1] !== 0 || data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) { + error('writing to an offset that is not empty'); + } + var value = values[i]; + data[offset0] = 0x1d; + data[offset1] = value >> 24 & 0xFF; + data[offset2] = value >> 16 & 0xFF; + data[offset3] = value >> 8 & 0xFF; + data[offset4] = value & 0xFF; + } + } + }; + return CFFOffsetTracker; + }(); + // Takes a CFF and converts it to the binary representation. + var CFFCompiler = function CFFCompilerClosure() { + function CFFCompiler(cff) { + this.cff = cff; + } + CFFCompiler.prototype = { + compile: function CFFCompiler_compile() { + var cff = this.cff; + var output = { + data: [], + length: 0, + add: function CFFCompiler_add(data) { + this.data = this.data.concat(data); + this.length = this.data.length; + } + }; + // Compile the five entries that must be in order. + var header = this.compileHeader(cff.header); + output.add(header); + var nameIndex = this.compileNameIndex(cff.names); + output.add(nameIndex); + if (cff.isCIDFont) { + // The spec is unclear on how font matrices should relate to each other + // when there is one in the main top dict and the sub top dicts. + // Windows handles this differently than linux and osx so we have to + // normalize to work on all. + // Rules based off of some mailing list discussions: + // - If main font has a matrix and subfont doesn't, use the main matrix. + // - If no main font matrix and there is a subfont matrix, use the + // subfont matrix. + // - If both have matrices, concat together. + // - If neither have matrices, use default. + // To make this work on all platforms we move the top matrix into each + // sub top dict and concat if necessary. + if (cff.topDict.hasName('FontMatrix')) { + var base = cff.topDict.getByName('FontMatrix'); + cff.topDict.removeByName('FontMatrix'); + for (var i = 0, ii = cff.fdArray.length; i < ii; i++) { + var subDict = cff.fdArray[i]; + var matrix = base.slice(0); + if (subDict.hasName('FontMatrix')) { + matrix = Util.transform(matrix, subDict.getByName('FontMatrix')); + } + subDict.setByName('FontMatrix', matrix); + } + } + } + var compiled = this.compileTopDicts([cff.topDict], output.length, cff.isCIDFont); + output.add(compiled.output); + var topDictTracker = compiled.trackers[0]; + var stringIndex = this.compileStringIndex(cff.strings.strings); + output.add(stringIndex); + var globalSubrIndex = this.compileIndex(cff.globalSubrIndex); + output.add(globalSubrIndex); + // Now start on the other entries that have no specific order. + if (cff.encoding && cff.topDict.hasName('Encoding')) { + if (cff.encoding.predefined) { + topDictTracker.setEntryLocation('Encoding', [cff.encoding.format], output); + } else { + var encoding = this.compileEncoding(cff.encoding); + topDictTracker.setEntryLocation('Encoding', [output.length], output); + output.add(encoding); + } + } + if (cff.charset && cff.topDict.hasName('charset')) { + if (cff.charset.predefined) { + topDictTracker.setEntryLocation('charset', [cff.charset.format], output); + } else { + var charset = this.compileCharset(cff.charset); + topDictTracker.setEntryLocation('charset', [output.length], output); + output.add(charset); + } + } + var charStrings = this.compileCharStrings(cff.charStrings); + topDictTracker.setEntryLocation('CharStrings', [output.length], output); + output.add(charStrings); + if (cff.isCIDFont) { + // For some reason FDSelect must be in front of FDArray on windows. OSX + // and linux don't seem to care. + topDictTracker.setEntryLocation('FDSelect', [output.length], output); + var fdSelect = this.compileFDSelect(cff.fdSelect.raw); + output.add(fdSelect); + // It is unclear if the sub font dictionary can have CID related + // dictionary keys, but the sanitizer doesn't like them so remove them. + compiled = this.compileTopDicts(cff.fdArray, output.length, true); + topDictTracker.setEntryLocation('FDArray', [output.length], output); + output.add(compiled.output); + var fontDictTrackers = compiled.trackers; + this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output); + } + this.compilePrivateDicts([cff.topDict], [topDictTracker], output); + // If the font data ends with INDEX whose object data is zero-length, + // the sanitizer will bail out. Add a dummy byte to avoid that. + output.add([0]); + return output.data; + }, + encodeNumber: function CFFCompiler_encodeNumber(value) { + if (parseFloat(value) === parseInt(value, 10) && !isNaN(value)) { + // isInt + return this.encodeInteger(value); + } else { + return this.encodeFloat(value); + } + }, + encodeFloat: function CFFCompiler_encodeFloat(num) { + var value = num.toString(); + // rounding inaccurate doubles + var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value); + if (m) { + var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length)); + value = (Math.round(num * epsilon) / epsilon).toString(); + } + var nibbles = ''; + var i, ii; + for (i = 0, ii = value.length; i < ii; ++i) { + var a = value[i]; + if (a === 'e') { + nibbles += value[++i] === '-' ? 'c' : 'b'; + } else if (a === '.') { + nibbles += 'a'; + } else if (a === '-') { + nibbles += 'e'; + } else { + nibbles += a; + } + } + nibbles += nibbles.length & 1 ? 'f' : 'ff'; + var out = [30]; + for (i = 0, ii = nibbles.length; i < ii; i += 2) { + out.push(parseInt(nibbles.substr(i, 2), 16)); + } + return out; + }, + encodeInteger: function CFFCompiler_encodeInteger(value) { + var code; + if (value >= -107 && value <= 107) { + code = [value + 139]; + } else if (value >= 108 && value <= 1131) { + value = value - 108; + code = [ + (value >> 8) + 247, + value & 0xFF + ]; + } else if (value >= -1131 && value <= -108) { + value = -value - 108; + code = [ + (value >> 8) + 251, + value & 0xFF + ]; + } else if (value >= -32768 && value <= 32767) { + code = [ + 0x1c, + value >> 8 & 0xFF, + value & 0xFF + ]; + } else { + code = [ + 0x1d, + value >> 24 & 0xFF, + value >> 16 & 0xFF, + value >> 8 & 0xFF, + value & 0xFF + ]; + } + return code; + }, + compileHeader: function CFFCompiler_compileHeader(header) { + return [ + header.major, + header.minor, + header.hdrSize, + header.offSize + ]; + }, + compileNameIndex: function CFFCompiler_compileNameIndex(names) { + var nameIndex = new CFFIndex(); + for (var i = 0, ii = names.length; i < ii; ++i) { + nameIndex.add(stringToBytes(names[i])); + } + return this.compileIndex(nameIndex); + }, + compileTopDicts: function CFFCompiler_compileTopDicts(dicts, length, removeCidKeys) { + var fontDictTrackers = []; + var fdArrayIndex = new CFFIndex(); + for (var i = 0, ii = dicts.length; i < ii; ++i) { + var fontDict = dicts[i]; + if (removeCidKeys) { + fontDict.removeByName('CIDFontVersion'); + fontDict.removeByName('CIDFontRevision'); + fontDict.removeByName('CIDFontType'); + fontDict.removeByName('CIDCount'); + fontDict.removeByName('UIDBase'); + } + var fontDictTracker = new CFFOffsetTracker(); + var fontDictData = this.compileDict(fontDict, fontDictTracker); + fontDictTrackers.push(fontDictTracker); + fdArrayIndex.add(fontDictData); + fontDictTracker.offset(length); + } + fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers); + return { + trackers: fontDictTrackers, + output: fdArrayIndex + }; + }, + compilePrivateDicts: function CFFCompiler_compilePrivateDicts(dicts, trackers, output) { + for (var i = 0, ii = dicts.length; i < ii; ++i) { + var fontDict = dicts[i]; + assert(fontDict.privateDict && fontDict.hasName('Private'), 'There must be an private dictionary.'); + var privateDict = fontDict.privateDict; + var privateDictTracker = new CFFOffsetTracker(); + var privateDictData = this.compileDict(privateDict, privateDictTracker); + var outputLength = output.length; + privateDictTracker.offset(outputLength); + if (!privateDictData.length) { + // The private dictionary was empty, set the output length to zero to + // ensure the offset length isn't out of bounds in the eyes of the + // sanitizer. + outputLength = 0; + } + trackers[i].setEntryLocation('Private', [ + privateDictData.length, + outputLength + ], output); + output.add(privateDictData); + if (privateDict.subrsIndex && privateDict.hasName('Subrs')) { + var subrs = this.compileIndex(privateDict.subrsIndex); + privateDictTracker.setEntryLocation('Subrs', [privateDictData.length], output); + output.add(subrs); + } + } + }, + compileDict: function CFFCompiler_compileDict(dict, offsetTracker) { + var out = []; + // The dictionary keys must be in a certain order. + var order = dict.order; + for (var i = 0; i < order.length; ++i) { + var key = order[i]; + if (!(key in dict.values)) { + continue; + } + var values = dict.values[key]; + var types = dict.types[key]; + if (!isArray(types)) { + types = [types]; + } + if (!isArray(values)) { + values = [values]; + } + // Remove any empty dict values. + if (values.length === 0) { + continue; + } + for (var j = 0, jj = types.length; j < jj; ++j) { + var type = types[j]; + var value = values[j]; + switch (type) { + case 'num': + case 'sid': + out = out.concat(this.encodeNumber(value)); + break; + case 'offset': + // For offsets we just insert a 32bit integer so we don't have to + // deal with figuring out the length of the offset when it gets + // replaced later on by the compiler. + var name = dict.keyToNameMap[key]; + // Some offsets have the offset and the length, so just record the + // position of the first one. + if (!offsetTracker.isTracking(name)) { + offsetTracker.track(name, out.length); + } + out = out.concat([ + 0x1d, + 0, + 0, + 0, + 0 + ]); + break; + case 'array': + case 'delta': + out = out.concat(this.encodeNumber(value)); + for (var k = 1, kk = values.length; k < kk; ++k) { + out = out.concat(this.encodeNumber(values[k])); + } + break; + default: + error('Unknown data type of ' + type); + break; + } + } + out = out.concat(dict.opcodes[key]); + } + return out; + }, + compileStringIndex: function CFFCompiler_compileStringIndex(strings) { + var stringIndex = new CFFIndex(); + for (var i = 0, ii = strings.length; i < ii; ++i) { + stringIndex.add(stringToBytes(strings[i])); + } + return this.compileIndex(stringIndex); + }, + compileGlobalSubrIndex: function CFFCompiler_compileGlobalSubrIndex() { + var globalSubrIndex = this.cff.globalSubrIndex; + this.out.writeByteArray(this.compileIndex(globalSubrIndex)); + }, + compileCharStrings: function CFFCompiler_compileCharStrings(charStrings) { + return this.compileIndex(charStrings); + }, + compileCharset: function CFFCompiler_compileCharset(charset) { + return this.compileTypedArray(charset.raw); + }, + compileEncoding: function CFFCompiler_compileEncoding(encoding) { + return this.compileTypedArray(encoding.raw); + }, + compileFDSelect: function CFFCompiler_compileFDSelect(fdSelect) { + return this.compileTypedArray(fdSelect); + }, + compileTypedArray: function CFFCompiler_compileTypedArray(data) { + var out = []; + for (var i = 0, ii = data.length; i < ii; ++i) { + out[i] = data[i]; + } + return out; + }, + compileIndex: function CFFCompiler_compileIndex(index, trackers) { + trackers = trackers || []; + var objects = index.objects; + // First 2 bytes contains the number of objects contained into this index + var count = objects.length; + // If there is no object, just create an index. This technically + // should just be [0, 0] but OTS has an issue with that. + if (count === 0) { + return [ + 0, + 0, + 0 + ]; + } + var data = [ + count >> 8 & 0xFF, + count & 0xff + ]; + var lastOffset = 1, i; + for (i = 0; i < count; ++i) { + lastOffset += objects[i].length; + } + var offsetSize; + if (lastOffset < 0x100) { + offsetSize = 1; + } else if (lastOffset < 0x10000) { + offsetSize = 2; + } else if (lastOffset < 0x1000000) { + offsetSize = 3; + } else { + offsetSize = 4; + } + // Next byte contains the offset size use to reference object in the file + data.push(offsetSize); + // Add another offset after this one because we need a new offset + var relativeOffset = 1; + for (i = 0; i < count + 1; i++) { + if (offsetSize === 1) { + data.push(relativeOffset & 0xFF); + } else if (offsetSize === 2) { + data.push(relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF); + } else if (offsetSize === 3) { + data.push(relativeOffset >> 16 & 0xFF, relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF); + } else { + data.push(relativeOffset >>> 24 & 0xFF, relativeOffset >> 16 & 0xFF, relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF); + } + if (objects[i]) { + relativeOffset += objects[i].length; + } + } + for (i = 0; i < count; i++) { + // Notify the tracker where the object will be offset in the data. + if (trackers[i]) { + trackers[i].offset(data.length); + } + for (var j = 0, jj = objects[i].length; j < jj; j++) { + data.push(objects[i][j]); + } + } + return data; + } + }; + return CFFCompiler; + }(); + exports.CFFStandardStrings = CFFStandardStrings; + exports.CFFParser = CFFParser; + exports.CFF = CFF; + exports.CFFHeader = CFFHeader; + exports.CFFStrings = CFFStrings; + exports.CFFIndex = CFFIndex; + exports.CFFCharset = CFFCharset; + exports.CFFTopDict = CFFTopDict; + exports.CFFPrivateDict = CFFPrivateDict; + exports.CFFCompiler = CFFCompiler; + })); + (function (root, factory) { + factory(root.pdfjsCoreChunkedStream = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var MissingDataException = sharedUtil.MissingDataException; + var arrayByteLength = sharedUtil.arrayByteLength; + var arraysToBytes = sharedUtil.arraysToBytes; + var assert = sharedUtil.assert; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var isInt = sharedUtil.isInt; + var isEmptyObj = sharedUtil.isEmptyObj; + var ChunkedStream = function ChunkedStreamClosure() { + function ChunkedStream(length, chunkSize, manager) { + this.bytes = new Uint8Array(length); + this.start = 0; + this.pos = 0; + this.end = length; + this.chunkSize = chunkSize; + this.loadedChunks = []; + this.numChunksLoaded = 0; + this.numChunks = Math.ceil(length / chunkSize); + this.manager = manager; + this.progressiveDataLength = 0; + this.lastSuccessfulEnsureByteChunk = -1; + } + // a single-entry cache + // required methods for a stream. if a particular stream does not + // implement these, an error should be thrown + ChunkedStream.prototype = { + getMissingChunks: function ChunkedStream_getMissingChunks() { + var chunks = []; + for (var chunk = 0, n = this.numChunks; chunk < n; ++chunk) { + if (!this.loadedChunks[chunk]) { + chunks.push(chunk); + } + } + return chunks; + }, + getBaseStreams: function ChunkedStream_getBaseStreams() { + return [this]; + }, + allChunksLoaded: function ChunkedStream_allChunksLoaded() { + return this.numChunksLoaded === this.numChunks; + }, + onReceiveData: function ChunkedStream_onReceiveData(begin, chunk) { + var end = begin + chunk.byteLength; + assert(begin % this.chunkSize === 0, 'Bad begin offset: ' + begin); + // Using this.length is inaccurate here since this.start can be moved + // See ChunkedStream.moveStart() + var length = this.bytes.length; + assert(end % this.chunkSize === 0 || end === length, 'Bad end offset: ' + end); + this.bytes.set(new Uint8Array(chunk), begin); + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + var curChunk; + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + onReceiveProgressiveData: function ChunkedStream_onReceiveProgressiveData(data) { + var position = this.progressiveDataLength; + var beginChunk = Math.floor(position / this.chunkSize); + this.bytes.set(new Uint8Array(data), position); + position += data.byteLength; + this.progressiveDataLength = position; + var endChunk = position >= this.end ? this.numChunks : Math.floor(position / this.chunkSize); + var curChunk; + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + ensureByte: function ChunkedStream_ensureByte(pos) { + var chunk = Math.floor(pos / this.chunkSize); + if (chunk === this.lastSuccessfulEnsureByteChunk) { + return; + } + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(pos, pos + 1); + } + this.lastSuccessfulEnsureByteChunk = chunk; + }, + ensureRange: function ChunkedStream_ensureRange(begin, end) { + if (begin >= end) { + return; + } + if (end <= this.progressiveDataLength) { + return; + } + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(begin, end); + } + } + }, + nextEmptyChunk: function ChunkedStream_nextEmptyChunk(beginChunk) { + var chunk, numChunks = this.numChunks; + for (var i = 0; i < numChunks; ++i) { + chunk = (beginChunk + i) % numChunks; + // Wrap around to beginning + if (!this.loadedChunks[chunk]) { + return chunk; + } + } + return null; + }, + hasChunk: function ChunkedStream_hasChunk(chunk) { + return !!this.loadedChunks[chunk]; + }, + get length() { + return this.end - this.start; + }, + get isEmpty() { + return this.length === 0; + }, + getByte: function ChunkedStream_getByte() { + var pos = this.pos; + if (pos >= this.end) { + return -1; + } + this.ensureByte(pos); + return this.bytes[this.pos++]; + }, + getUint16: function ChunkedStream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + getInt32: function ChunkedStream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + // returns subarray of original buffer + // should only be read + getBytes: function ChunkedStream_getBytes(length) { + var bytes = this.bytes; + var pos = this.pos; + var strEnd = this.end; + if (!length) { + this.ensureRange(pos, strEnd); + return bytes.subarray(pos, strEnd); + } + var end = pos + length; + if (end > strEnd) { + end = strEnd; + } + this.ensureRange(pos, end); + this.pos = end; + return bytes.subarray(pos, end); + }, + peekByte: function ChunkedStream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + peekBytes: function ChunkedStream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + getByteRange: function ChunkedStream_getBytes(begin, end) { + this.ensureRange(begin, end); + return this.bytes.subarray(begin, end); + }, + skip: function ChunkedStream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + reset: function ChunkedStream_reset() { + this.pos = this.start; + }, + moveStart: function ChunkedStream_moveStart() { + this.start = this.pos; + }, + makeSubStream: function ChunkedStream_makeSubStream(start, length, dict) { + this.ensureRange(start, start + length); + function ChunkedStreamSubstream() { + } + ChunkedStreamSubstream.prototype = Object.create(this); + ChunkedStreamSubstream.prototype.getMissingChunks = function () { + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(this.start / chunkSize); + var endChunk = Math.floor((this.end - 1) / chunkSize) + 1; + var missingChunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + missingChunks.push(chunk); + } + } + return missingChunks; + }; + var subStream = new ChunkedStreamSubstream(); + subStream.pos = subStream.start = start; + subStream.end = start + length || this.end; + subStream.dict = dict; + return subStream; + }, + isStream: true + }; + return ChunkedStream; + }(); + var ChunkedStreamManager = function ChunkedStreamManagerClosure() { + function ChunkedStreamManager(pdfNetworkStream, args) { + var chunkSize = args.rangeChunkSize; + var length = args.length; + this.stream = new ChunkedStream(length, chunkSize, this); + this.length = length; + this.chunkSize = chunkSize; + this.pdfNetworkStream = pdfNetworkStream; + this.url = args.url; + this.disableAutoFetch = args.disableAutoFetch; + this.msgHandler = args.msgHandler; + this.currRequestId = 0; + this.chunksNeededByRequest = Object.create(null); + this.requestsByChunk = Object.create(null); + this.promisesByRequest = Object.create(null); + this.progressiveDataLength = 0; + this.aborted = false; + this._loadedStreamCapability = createPromiseCapability(); + } + ChunkedStreamManager.prototype = { + onLoadedStream: function ChunkedStreamManager_getLoadedStream() { + return this._loadedStreamCapability.promise; + }, + sendRequest: function ChunkedStreamManager_sendRequest(begin, end) { + var rangeReader = this.pdfNetworkStream.getRangeReader(begin, end); + if (!rangeReader.isStreamingSupported) { + rangeReader.onProgress = this.onProgress.bind(this); + } + var chunks = [], loaded = 0; + var manager = this; + var promise = new Promise(function (resolve, reject) { + var readChunk = function (chunk) { + try { + if (!chunk.done) { + var data = chunk.value; + chunks.push(data); + loaded += arrayByteLength(data); + if (rangeReader.isStreamingSupported) { + manager.onProgress({ loaded: loaded }); + } + rangeReader.read().then(readChunk, reject); + return; + } + var chunkData = arraysToBytes(chunks); + chunks = null; + resolve(chunkData); + } catch (e) { + reject(e); + } + }; + rangeReader.read().then(readChunk, reject); + }); + promise.then(function (data) { + if (this.aborted) { + return; + } + // ignoring any data after abort + this.onReceiveData({ + chunk: data, + begin: begin + }); + }.bind(this)); + }, + // TODO check errors + // Get all the chunks that are not yet loaded and groups them into + // contiguous ranges to load in as few requests as possible + requestAllChunks: function ChunkedStreamManager_requestAllChunks() { + var missingChunks = this.stream.getMissingChunks(); + this._requestChunks(missingChunks); + return this._loadedStreamCapability.promise; + }, + _requestChunks: function ChunkedStreamManager_requestChunks(chunks) { + var requestId = this.currRequestId++; + var i, ii; + var chunksNeeded = Object.create(null); + this.chunksNeededByRequest[requestId] = chunksNeeded; + for (i = 0, ii = chunks.length; i < ii; i++) { + if (!this.stream.hasChunk(chunks[i])) { + chunksNeeded[chunks[i]] = true; + } + } + if (isEmptyObj(chunksNeeded)) { + return Promise.resolve(); + } + var capability = createPromiseCapability(); + this.promisesByRequest[requestId] = capability; + var chunksToRequest = []; + for (var chunk in chunksNeeded) { + chunk = chunk | 0; + if (!(chunk in this.requestsByChunk)) { + this.requestsByChunk[chunk] = []; + chunksToRequest.push(chunk); + } + this.requestsByChunk[chunk].push(requestId); + } + if (!chunksToRequest.length) { + return capability.promise; + } + var groupedChunksToRequest = this.groupChunks(chunksToRequest); + for (i = 0; i < groupedChunksToRequest.length; ++i) { + var groupedChunk = groupedChunksToRequest[i]; + var begin = groupedChunk.beginChunk * this.chunkSize; + var end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length); + this.sendRequest(begin, end); + } + return capability.promise; + }, + getStream: function ChunkedStreamManager_getStream() { + return this.stream; + }, + // Loads any chunks in the requested range that are not yet loaded + requestRange: function ChunkedStreamManager_requestRange(begin, end) { + end = Math.min(end, this.length); + var beginChunk = this.getBeginChunk(begin); + var endChunk = this.getEndChunk(end); + var chunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + chunks.push(chunk); + } + return this._requestChunks(chunks); + }, + requestRanges: function ChunkedStreamManager_requestRanges(ranges) { + ranges = ranges || []; + var chunksToRequest = []; + for (var i = 0; i < ranges.length; i++) { + var beginChunk = this.getBeginChunk(ranges[i].begin); + var endChunk = this.getEndChunk(ranges[i].end); + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (chunksToRequest.indexOf(chunk) < 0) { + chunksToRequest.push(chunk); + } + } + } + chunksToRequest.sort(function (a, b) { + return a - b; + }); + return this._requestChunks(chunksToRequest); + }, + // Groups a sorted array of chunks into as few contiguous larger + // chunks as possible + groupChunks: function ChunkedStreamManager_groupChunks(chunks) { + var groupedChunks = []; + var beginChunk = -1; + var prevChunk = -1; + for (var i = 0; i < chunks.length; ++i) { + var chunk = chunks[i]; + if (beginChunk < 0) { + beginChunk = chunk; + } + if (prevChunk >= 0 && prevChunk + 1 !== chunk) { + groupedChunks.push({ + beginChunk: beginChunk, + endChunk: prevChunk + 1 + }); + beginChunk = chunk; + } + if (i + 1 === chunks.length) { + groupedChunks.push({ + beginChunk: beginChunk, + endChunk: chunk + 1 + }); + } + prevChunk = chunk; + } + return groupedChunks; + }, + onProgress: function ChunkedStreamManager_onProgress(args) { + var bytesLoaded = this.stream.numChunksLoaded * this.chunkSize + args.loaded; + this.msgHandler.send('DocProgress', { + loaded: bytesLoaded, + total: this.length + }); + }, + onReceiveData: function ChunkedStreamManager_onReceiveData(args) { + var chunk = args.chunk; + var isProgressive = args.begin === undefined; + var begin = isProgressive ? this.progressiveDataLength : args.begin; + var end = begin + chunk.byteLength; + var beginChunk = Math.floor(begin / this.chunkSize); + var endChunk = end < this.length ? Math.floor(end / this.chunkSize) : Math.ceil(end / this.chunkSize); + if (isProgressive) { + this.stream.onReceiveProgressiveData(chunk); + this.progressiveDataLength = end; + } else { + this.stream.onReceiveData(begin, chunk); + } + if (this.stream.allChunksLoaded()) { + this._loadedStreamCapability.resolve(this.stream); + } + var loadedRequests = []; + var i, requestId; + for (chunk = beginChunk; chunk < endChunk; ++chunk) { + // The server might return more chunks than requested + var requestIds = this.requestsByChunk[chunk] || []; + delete this.requestsByChunk[chunk]; + for (i = 0; i < requestIds.length; ++i) { + requestId = requestIds[i]; + var chunksNeeded = this.chunksNeededByRequest[requestId]; + if (chunk in chunksNeeded) { + delete chunksNeeded[chunk]; + } + if (!isEmptyObj(chunksNeeded)) { + continue; + } + loadedRequests.push(requestId); + } + } + // If there are no pending requests, automatically fetch the next + // unfetched chunk of the PDF + if (!this.disableAutoFetch && isEmptyObj(this.requestsByChunk)) { + var nextEmptyChunk; + if (this.stream.numChunksLoaded === 1) { + // This is a special optimization so that after fetching the first + // chunk, rather than fetching the second chunk, we fetch the last + // chunk. + var lastChunk = this.stream.numChunks - 1; + if (!this.stream.hasChunk(lastChunk)) { + nextEmptyChunk = lastChunk; + } + } else { + nextEmptyChunk = this.stream.nextEmptyChunk(endChunk); + } + if (isInt(nextEmptyChunk)) { + this._requestChunks([nextEmptyChunk]); + } + } + for (i = 0; i < loadedRequests.length; ++i) { + requestId = loadedRequests[i]; + var capability = this.promisesByRequest[requestId]; + delete this.promisesByRequest[requestId]; + capability.resolve(); + } + this.msgHandler.send('DocProgress', { + loaded: this.stream.numChunksLoaded * this.chunkSize, + total: this.length + }); + }, + onError: function ChunkedStreamManager_onError(err) { + this._loadedStreamCapability.reject(err); + }, + getBeginChunk: function ChunkedStreamManager_getBeginChunk(begin) { + var chunk = Math.floor(begin / this.chunkSize); + return chunk; + }, + getEndChunk: function ChunkedStreamManager_getEndChunk(end) { + var chunk = Math.floor((end - 1) / this.chunkSize) + 1; + return chunk; + }, + abort: function ChunkedStreamManager_abort() { + this.aborted = true; + if (this.pdfNetworkStream) { + this.pdfNetworkStream.cancelAllRequests('abort'); + } + for (var requestId in this.promisesByRequest) { + var capability = this.promisesByRequest[requestId]; + capability.reject(new Error('Request was aborted')); + } + } + }; + return ChunkedStreamManager; + }(); + exports.ChunkedStream = ChunkedStream; + exports.ChunkedStreamManager = ChunkedStreamManager; + })); + (function (root, factory) { + factory(root.pdfjsCoreGlyphList = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var getLookupTableFactory = sharedUtil.getLookupTableFactory; + var getGlyphsUnicode = getLookupTableFactory(function (t) { + t['A'] = 0x0041; + t['AE'] = 0x00C6; + t['AEacute'] = 0x01FC; + t['AEmacron'] = 0x01E2; + t['AEsmall'] = 0xF7E6; + t['Aacute'] = 0x00C1; + t['Aacutesmall'] = 0xF7E1; + t['Abreve'] = 0x0102; + t['Abreveacute'] = 0x1EAE; + t['Abrevecyrillic'] = 0x04D0; + t['Abrevedotbelow'] = 0x1EB6; + t['Abrevegrave'] = 0x1EB0; + t['Abrevehookabove'] = 0x1EB2; + t['Abrevetilde'] = 0x1EB4; + t['Acaron'] = 0x01CD; + t['Acircle'] = 0x24B6; + t['Acircumflex'] = 0x00C2; + t['Acircumflexacute'] = 0x1EA4; + t['Acircumflexdotbelow'] = 0x1EAC; + t['Acircumflexgrave'] = 0x1EA6; + t['Acircumflexhookabove'] = 0x1EA8; + t['Acircumflexsmall'] = 0xF7E2; + t['Acircumflextilde'] = 0x1EAA; + t['Acute'] = 0xF6C9; + t['Acutesmall'] = 0xF7B4; + t['Acyrillic'] = 0x0410; + t['Adblgrave'] = 0x0200; + t['Adieresis'] = 0x00C4; + t['Adieresiscyrillic'] = 0x04D2; + t['Adieresismacron'] = 0x01DE; + t['Adieresissmall'] = 0xF7E4; + t['Adotbelow'] = 0x1EA0; + t['Adotmacron'] = 0x01E0; + t['Agrave'] = 0x00C0; + t['Agravesmall'] = 0xF7E0; + t['Ahookabove'] = 0x1EA2; + t['Aiecyrillic'] = 0x04D4; + t['Ainvertedbreve'] = 0x0202; + t['Alpha'] = 0x0391; + t['Alphatonos'] = 0x0386; + t['Amacron'] = 0x0100; + t['Amonospace'] = 0xFF21; + t['Aogonek'] = 0x0104; + t['Aring'] = 0x00C5; + t['Aringacute'] = 0x01FA; + t['Aringbelow'] = 0x1E00; + t['Aringsmall'] = 0xF7E5; + t['Asmall'] = 0xF761; + t['Atilde'] = 0x00C3; + t['Atildesmall'] = 0xF7E3; + t['Aybarmenian'] = 0x0531; + t['B'] = 0x0042; + t['Bcircle'] = 0x24B7; + t['Bdotaccent'] = 0x1E02; + t['Bdotbelow'] = 0x1E04; + t['Becyrillic'] = 0x0411; + t['Benarmenian'] = 0x0532; + t['Beta'] = 0x0392; + t['Bhook'] = 0x0181; + t['Blinebelow'] = 0x1E06; + t['Bmonospace'] = 0xFF22; + t['Brevesmall'] = 0xF6F4; + t['Bsmall'] = 0xF762; + t['Btopbar'] = 0x0182; + t['C'] = 0x0043; + t['Caarmenian'] = 0x053E; + t['Cacute'] = 0x0106; + t['Caron'] = 0xF6CA; + t['Caronsmall'] = 0xF6F5; + t['Ccaron'] = 0x010C; + t['Ccedilla'] = 0x00C7; + t['Ccedillaacute'] = 0x1E08; + t['Ccedillasmall'] = 0xF7E7; + t['Ccircle'] = 0x24B8; + t['Ccircumflex'] = 0x0108; + t['Cdot'] = 0x010A; + t['Cdotaccent'] = 0x010A; + t['Cedillasmall'] = 0xF7B8; + t['Chaarmenian'] = 0x0549; + t['Cheabkhasiancyrillic'] = 0x04BC; + t['Checyrillic'] = 0x0427; + t['Chedescenderabkhasiancyrillic'] = 0x04BE; + t['Chedescendercyrillic'] = 0x04B6; + t['Chedieresiscyrillic'] = 0x04F4; + t['Cheharmenian'] = 0x0543; + t['Chekhakassiancyrillic'] = 0x04CB; + t['Cheverticalstrokecyrillic'] = 0x04B8; + t['Chi'] = 0x03A7; + t['Chook'] = 0x0187; + t['Circumflexsmall'] = 0xF6F6; + t['Cmonospace'] = 0xFF23; + t['Coarmenian'] = 0x0551; + t['Csmall'] = 0xF763; + t['D'] = 0x0044; + t['DZ'] = 0x01F1; + t['DZcaron'] = 0x01C4; + t['Daarmenian'] = 0x0534; + t['Dafrican'] = 0x0189; + t['Dcaron'] = 0x010E; + t['Dcedilla'] = 0x1E10; + t['Dcircle'] = 0x24B9; + t['Dcircumflexbelow'] = 0x1E12; + t['Dcroat'] = 0x0110; + t['Ddotaccent'] = 0x1E0A; + t['Ddotbelow'] = 0x1E0C; + t['Decyrillic'] = 0x0414; + t['Deicoptic'] = 0x03EE; + t['Delta'] = 0x2206; + t['Deltagreek'] = 0x0394; + t['Dhook'] = 0x018A; + t['Dieresis'] = 0xF6CB; + t['DieresisAcute'] = 0xF6CC; + t['DieresisGrave'] = 0xF6CD; + t['Dieresissmall'] = 0xF7A8; + t['Digammagreek'] = 0x03DC; + t['Djecyrillic'] = 0x0402; + t['Dlinebelow'] = 0x1E0E; + t['Dmonospace'] = 0xFF24; + t['Dotaccentsmall'] = 0xF6F7; + t['Dslash'] = 0x0110; + t['Dsmall'] = 0xF764; + t['Dtopbar'] = 0x018B; + t['Dz'] = 0x01F2; + t['Dzcaron'] = 0x01C5; + t['Dzeabkhasiancyrillic'] = 0x04E0; + t['Dzecyrillic'] = 0x0405; + t['Dzhecyrillic'] = 0x040F; + t['E'] = 0x0045; + t['Eacute'] = 0x00C9; + t['Eacutesmall'] = 0xF7E9; + t['Ebreve'] = 0x0114; + t['Ecaron'] = 0x011A; + t['Ecedillabreve'] = 0x1E1C; + t['Echarmenian'] = 0x0535; + t['Ecircle'] = 0x24BA; + t['Ecircumflex'] = 0x00CA; + t['Ecircumflexacute'] = 0x1EBE; + t['Ecircumflexbelow'] = 0x1E18; + t['Ecircumflexdotbelow'] = 0x1EC6; + t['Ecircumflexgrave'] = 0x1EC0; + t['Ecircumflexhookabove'] = 0x1EC2; + t['Ecircumflexsmall'] = 0xF7EA; + t['Ecircumflextilde'] = 0x1EC4; + t['Ecyrillic'] = 0x0404; + t['Edblgrave'] = 0x0204; + t['Edieresis'] = 0x00CB; + t['Edieresissmall'] = 0xF7EB; + t['Edot'] = 0x0116; + t['Edotaccent'] = 0x0116; + t['Edotbelow'] = 0x1EB8; + t['Efcyrillic'] = 0x0424; + t['Egrave'] = 0x00C8; + t['Egravesmall'] = 0xF7E8; + t['Eharmenian'] = 0x0537; + t['Ehookabove'] = 0x1EBA; + t['Eightroman'] = 0x2167; + t['Einvertedbreve'] = 0x0206; + t['Eiotifiedcyrillic'] = 0x0464; + t['Elcyrillic'] = 0x041B; + t['Elevenroman'] = 0x216A; + t['Emacron'] = 0x0112; + t['Emacronacute'] = 0x1E16; + t['Emacrongrave'] = 0x1E14; + t['Emcyrillic'] = 0x041C; + t['Emonospace'] = 0xFF25; + t['Encyrillic'] = 0x041D; + t['Endescendercyrillic'] = 0x04A2; + t['Eng'] = 0x014A; + t['Enghecyrillic'] = 0x04A4; + t['Enhookcyrillic'] = 0x04C7; + t['Eogonek'] = 0x0118; + t['Eopen'] = 0x0190; + t['Epsilon'] = 0x0395; + t['Epsilontonos'] = 0x0388; + t['Ercyrillic'] = 0x0420; + t['Ereversed'] = 0x018E; + t['Ereversedcyrillic'] = 0x042D; + t['Escyrillic'] = 0x0421; + t['Esdescendercyrillic'] = 0x04AA; + t['Esh'] = 0x01A9; + t['Esmall'] = 0xF765; + t['Eta'] = 0x0397; + t['Etarmenian'] = 0x0538; + t['Etatonos'] = 0x0389; + t['Eth'] = 0x00D0; + t['Ethsmall'] = 0xF7F0; + t['Etilde'] = 0x1EBC; + t['Etildebelow'] = 0x1E1A; + t['Euro'] = 0x20AC; + t['Ezh'] = 0x01B7; + t['Ezhcaron'] = 0x01EE; + t['Ezhreversed'] = 0x01B8; + t['F'] = 0x0046; + t['Fcircle'] = 0x24BB; + t['Fdotaccent'] = 0x1E1E; + t['Feharmenian'] = 0x0556; + t['Feicoptic'] = 0x03E4; + t['Fhook'] = 0x0191; + t['Fitacyrillic'] = 0x0472; + t['Fiveroman'] = 0x2164; + t['Fmonospace'] = 0xFF26; + t['Fourroman'] = 0x2163; + t['Fsmall'] = 0xF766; + t['G'] = 0x0047; + t['GBsquare'] = 0x3387; + t['Gacute'] = 0x01F4; + t['Gamma'] = 0x0393; + t['Gammaafrican'] = 0x0194; + t['Gangiacoptic'] = 0x03EA; + t['Gbreve'] = 0x011E; + t['Gcaron'] = 0x01E6; + t['Gcedilla'] = 0x0122; + t['Gcircle'] = 0x24BC; + t['Gcircumflex'] = 0x011C; + t['Gcommaaccent'] = 0x0122; + t['Gdot'] = 0x0120; + t['Gdotaccent'] = 0x0120; + t['Gecyrillic'] = 0x0413; + t['Ghadarmenian'] = 0x0542; + t['Ghemiddlehookcyrillic'] = 0x0494; + t['Ghestrokecyrillic'] = 0x0492; + t['Gheupturncyrillic'] = 0x0490; + t['Ghook'] = 0x0193; + t['Gimarmenian'] = 0x0533; + t['Gjecyrillic'] = 0x0403; + t['Gmacron'] = 0x1E20; + t['Gmonospace'] = 0xFF27; + t['Grave'] = 0xF6CE; + t['Gravesmall'] = 0xF760; + t['Gsmall'] = 0xF767; + t['Gsmallhook'] = 0x029B; + t['Gstroke'] = 0x01E4; + t['H'] = 0x0048; + t['H18533'] = 0x25CF; + t['H18543'] = 0x25AA; + t['H18551'] = 0x25AB; + t['H22073'] = 0x25A1; + t['HPsquare'] = 0x33CB; + t['Haabkhasiancyrillic'] = 0x04A8; + t['Hadescendercyrillic'] = 0x04B2; + t['Hardsigncyrillic'] = 0x042A; + t['Hbar'] = 0x0126; + t['Hbrevebelow'] = 0x1E2A; + t['Hcedilla'] = 0x1E28; + t['Hcircle'] = 0x24BD; + t['Hcircumflex'] = 0x0124; + t['Hdieresis'] = 0x1E26; + t['Hdotaccent'] = 0x1E22; + t['Hdotbelow'] = 0x1E24; + t['Hmonospace'] = 0xFF28; + t['Hoarmenian'] = 0x0540; + t['Horicoptic'] = 0x03E8; + t['Hsmall'] = 0xF768; + t['Hungarumlaut'] = 0xF6CF; + t['Hungarumlautsmall'] = 0xF6F8; + t['Hzsquare'] = 0x3390; + t['I'] = 0x0049; + t['IAcyrillic'] = 0x042F; + t['IJ'] = 0x0132; + t['IUcyrillic'] = 0x042E; + t['Iacute'] = 0x00CD; + t['Iacutesmall'] = 0xF7ED; + t['Ibreve'] = 0x012C; + t['Icaron'] = 0x01CF; + t['Icircle'] = 0x24BE; + t['Icircumflex'] = 0x00CE; + t['Icircumflexsmall'] = 0xF7EE; + t['Icyrillic'] = 0x0406; + t['Idblgrave'] = 0x0208; + t['Idieresis'] = 0x00CF; + t['Idieresisacute'] = 0x1E2E; + t['Idieresiscyrillic'] = 0x04E4; + t['Idieresissmall'] = 0xF7EF; + t['Idot'] = 0x0130; + t['Idotaccent'] = 0x0130; + t['Idotbelow'] = 0x1ECA; + t['Iebrevecyrillic'] = 0x04D6; + t['Iecyrillic'] = 0x0415; + t['Ifraktur'] = 0x2111; + t['Igrave'] = 0x00CC; + t['Igravesmall'] = 0xF7EC; + t['Ihookabove'] = 0x1EC8; + t['Iicyrillic'] = 0x0418; + t['Iinvertedbreve'] = 0x020A; + t['Iishortcyrillic'] = 0x0419; + t['Imacron'] = 0x012A; + t['Imacroncyrillic'] = 0x04E2; + t['Imonospace'] = 0xFF29; + t['Iniarmenian'] = 0x053B; + t['Iocyrillic'] = 0x0401; + t['Iogonek'] = 0x012E; + t['Iota'] = 0x0399; + t['Iotaafrican'] = 0x0196; + t['Iotadieresis'] = 0x03AA; + t['Iotatonos'] = 0x038A; + t['Ismall'] = 0xF769; + t['Istroke'] = 0x0197; + t['Itilde'] = 0x0128; + t['Itildebelow'] = 0x1E2C; + t['Izhitsacyrillic'] = 0x0474; + t['Izhitsadblgravecyrillic'] = 0x0476; + t['J'] = 0x004A; + t['Jaarmenian'] = 0x0541; + t['Jcircle'] = 0x24BF; + t['Jcircumflex'] = 0x0134; + t['Jecyrillic'] = 0x0408; + t['Jheharmenian'] = 0x054B; + t['Jmonospace'] = 0xFF2A; + t['Jsmall'] = 0xF76A; + t['K'] = 0x004B; + t['KBsquare'] = 0x3385; + t['KKsquare'] = 0x33CD; + t['Kabashkircyrillic'] = 0x04A0; + t['Kacute'] = 0x1E30; + t['Kacyrillic'] = 0x041A; + t['Kadescendercyrillic'] = 0x049A; + t['Kahookcyrillic'] = 0x04C3; + t['Kappa'] = 0x039A; + t['Kastrokecyrillic'] = 0x049E; + t['Kaverticalstrokecyrillic'] = 0x049C; + t['Kcaron'] = 0x01E8; + t['Kcedilla'] = 0x0136; + t['Kcircle'] = 0x24C0; + t['Kcommaaccent'] = 0x0136; + t['Kdotbelow'] = 0x1E32; + t['Keharmenian'] = 0x0554; + t['Kenarmenian'] = 0x053F; + t['Khacyrillic'] = 0x0425; + t['Kheicoptic'] = 0x03E6; + t['Khook'] = 0x0198; + t['Kjecyrillic'] = 0x040C; + t['Klinebelow'] = 0x1E34; + t['Kmonospace'] = 0xFF2B; + t['Koppacyrillic'] = 0x0480; + t['Koppagreek'] = 0x03DE; + t['Ksicyrillic'] = 0x046E; + t['Ksmall'] = 0xF76B; + t['L'] = 0x004C; + t['LJ'] = 0x01C7; + t['LL'] = 0xF6BF; + t['Lacute'] = 0x0139; + t['Lambda'] = 0x039B; + t['Lcaron'] = 0x013D; + t['Lcedilla'] = 0x013B; + t['Lcircle'] = 0x24C1; + t['Lcircumflexbelow'] = 0x1E3C; + t['Lcommaaccent'] = 0x013B; + t['Ldot'] = 0x013F; + t['Ldotaccent'] = 0x013F; + t['Ldotbelow'] = 0x1E36; + t['Ldotbelowmacron'] = 0x1E38; + t['Liwnarmenian'] = 0x053C; + t['Lj'] = 0x01C8; + t['Ljecyrillic'] = 0x0409; + t['Llinebelow'] = 0x1E3A; + t['Lmonospace'] = 0xFF2C; + t['Lslash'] = 0x0141; + t['Lslashsmall'] = 0xF6F9; + t['Lsmall'] = 0xF76C; + t['M'] = 0x004D; + t['MBsquare'] = 0x3386; + t['Macron'] = 0xF6D0; + t['Macronsmall'] = 0xF7AF; + t['Macute'] = 0x1E3E; + t['Mcircle'] = 0x24C2; + t['Mdotaccent'] = 0x1E40; + t['Mdotbelow'] = 0x1E42; + t['Menarmenian'] = 0x0544; + t['Mmonospace'] = 0xFF2D; + t['Msmall'] = 0xF76D; + t['Mturned'] = 0x019C; + t['Mu'] = 0x039C; + t['N'] = 0x004E; + t['NJ'] = 0x01CA; + t['Nacute'] = 0x0143; + t['Ncaron'] = 0x0147; + t['Ncedilla'] = 0x0145; + t['Ncircle'] = 0x24C3; + t['Ncircumflexbelow'] = 0x1E4A; + t['Ncommaaccent'] = 0x0145; + t['Ndotaccent'] = 0x1E44; + t['Ndotbelow'] = 0x1E46; + t['Nhookleft'] = 0x019D; + t['Nineroman'] = 0x2168; + t['Nj'] = 0x01CB; + t['Njecyrillic'] = 0x040A; + t['Nlinebelow'] = 0x1E48; + t['Nmonospace'] = 0xFF2E; + t['Nowarmenian'] = 0x0546; + t['Nsmall'] = 0xF76E; + t['Ntilde'] = 0x00D1; + t['Ntildesmall'] = 0xF7F1; + t['Nu'] = 0x039D; + t['O'] = 0x004F; + t['OE'] = 0x0152; + t['OEsmall'] = 0xF6FA; + t['Oacute'] = 0x00D3; + t['Oacutesmall'] = 0xF7F3; + t['Obarredcyrillic'] = 0x04E8; + t['Obarreddieresiscyrillic'] = 0x04EA; + t['Obreve'] = 0x014E; + t['Ocaron'] = 0x01D1; + t['Ocenteredtilde'] = 0x019F; + t['Ocircle'] = 0x24C4; + t['Ocircumflex'] = 0x00D4; + t['Ocircumflexacute'] = 0x1ED0; + t['Ocircumflexdotbelow'] = 0x1ED8; + t['Ocircumflexgrave'] = 0x1ED2; + t['Ocircumflexhookabove'] = 0x1ED4; + t['Ocircumflexsmall'] = 0xF7F4; + t['Ocircumflextilde'] = 0x1ED6; + t['Ocyrillic'] = 0x041E; + t['Odblacute'] = 0x0150; + t['Odblgrave'] = 0x020C; + t['Odieresis'] = 0x00D6; + t['Odieresiscyrillic'] = 0x04E6; + t['Odieresissmall'] = 0xF7F6; + t['Odotbelow'] = 0x1ECC; + t['Ogoneksmall'] = 0xF6FB; + t['Ograve'] = 0x00D2; + t['Ogravesmall'] = 0xF7F2; + t['Oharmenian'] = 0x0555; + t['Ohm'] = 0x2126; + t['Ohookabove'] = 0x1ECE; + t['Ohorn'] = 0x01A0; + t['Ohornacute'] = 0x1EDA; + t['Ohorndotbelow'] = 0x1EE2; + t['Ohorngrave'] = 0x1EDC; + t['Ohornhookabove'] = 0x1EDE; + t['Ohorntilde'] = 0x1EE0; + t['Ohungarumlaut'] = 0x0150; + t['Oi'] = 0x01A2; + t['Oinvertedbreve'] = 0x020E; + t['Omacron'] = 0x014C; + t['Omacronacute'] = 0x1E52; + t['Omacrongrave'] = 0x1E50; + t['Omega'] = 0x2126; + t['Omegacyrillic'] = 0x0460; + t['Omegagreek'] = 0x03A9; + t['Omegaroundcyrillic'] = 0x047A; + t['Omegatitlocyrillic'] = 0x047C; + t['Omegatonos'] = 0x038F; + t['Omicron'] = 0x039F; + t['Omicrontonos'] = 0x038C; + t['Omonospace'] = 0xFF2F; + t['Oneroman'] = 0x2160; + t['Oogonek'] = 0x01EA; + t['Oogonekmacron'] = 0x01EC; + t['Oopen'] = 0x0186; + t['Oslash'] = 0x00D8; + t['Oslashacute'] = 0x01FE; + t['Oslashsmall'] = 0xF7F8; + t['Osmall'] = 0xF76F; + t['Ostrokeacute'] = 0x01FE; + t['Otcyrillic'] = 0x047E; + t['Otilde'] = 0x00D5; + t['Otildeacute'] = 0x1E4C; + t['Otildedieresis'] = 0x1E4E; + t['Otildesmall'] = 0xF7F5; + t['P'] = 0x0050; + t['Pacute'] = 0x1E54; + t['Pcircle'] = 0x24C5; + t['Pdotaccent'] = 0x1E56; + t['Pecyrillic'] = 0x041F; + t['Peharmenian'] = 0x054A; + t['Pemiddlehookcyrillic'] = 0x04A6; + t['Phi'] = 0x03A6; + t['Phook'] = 0x01A4; + t['Pi'] = 0x03A0; + t['Piwrarmenian'] = 0x0553; + t['Pmonospace'] = 0xFF30; + t['Psi'] = 0x03A8; + t['Psicyrillic'] = 0x0470; + t['Psmall'] = 0xF770; + t['Q'] = 0x0051; + t['Qcircle'] = 0x24C6; + t['Qmonospace'] = 0xFF31; + t['Qsmall'] = 0xF771; + t['R'] = 0x0052; + t['Raarmenian'] = 0x054C; + t['Racute'] = 0x0154; + t['Rcaron'] = 0x0158; + t['Rcedilla'] = 0x0156; + t['Rcircle'] = 0x24C7; + t['Rcommaaccent'] = 0x0156; + t['Rdblgrave'] = 0x0210; + t['Rdotaccent'] = 0x1E58; + t['Rdotbelow'] = 0x1E5A; + t['Rdotbelowmacron'] = 0x1E5C; + t['Reharmenian'] = 0x0550; + t['Rfraktur'] = 0x211C; + t['Rho'] = 0x03A1; + t['Ringsmall'] = 0xF6FC; + t['Rinvertedbreve'] = 0x0212; + t['Rlinebelow'] = 0x1E5E; + t['Rmonospace'] = 0xFF32; + t['Rsmall'] = 0xF772; + t['Rsmallinverted'] = 0x0281; + t['Rsmallinvertedsuperior'] = 0x02B6; + t['S'] = 0x0053; + t['SF010000'] = 0x250C; + t['SF020000'] = 0x2514; + t['SF030000'] = 0x2510; + t['SF040000'] = 0x2518; + t['SF050000'] = 0x253C; + t['SF060000'] = 0x252C; + t['SF070000'] = 0x2534; + t['SF080000'] = 0x251C; + t['SF090000'] = 0x2524; + t['SF100000'] = 0x2500; + t['SF110000'] = 0x2502; + t['SF190000'] = 0x2561; + t['SF200000'] = 0x2562; + t['SF210000'] = 0x2556; + t['SF220000'] = 0x2555; + t['SF230000'] = 0x2563; + t['SF240000'] = 0x2551; + t['SF250000'] = 0x2557; + t['SF260000'] = 0x255D; + t['SF270000'] = 0x255C; + t['SF280000'] = 0x255B; + t['SF360000'] = 0x255E; + t['SF370000'] = 0x255F; + t['SF380000'] = 0x255A; + t['SF390000'] = 0x2554; + t['SF400000'] = 0x2569; + t['SF410000'] = 0x2566; + t['SF420000'] = 0x2560; + t['SF430000'] = 0x2550; + t['SF440000'] = 0x256C; + t['SF450000'] = 0x2567; + t['SF460000'] = 0x2568; + t['SF470000'] = 0x2564; + t['SF480000'] = 0x2565; + t['SF490000'] = 0x2559; + t['SF500000'] = 0x2558; + t['SF510000'] = 0x2552; + t['SF520000'] = 0x2553; + t['SF530000'] = 0x256B; + t['SF540000'] = 0x256A; + t['Sacute'] = 0x015A; + t['Sacutedotaccent'] = 0x1E64; + t['Sampigreek'] = 0x03E0; + t['Scaron'] = 0x0160; + t['Scarondotaccent'] = 0x1E66; + t['Scaronsmall'] = 0xF6FD; + t['Scedilla'] = 0x015E; + t['Schwa'] = 0x018F; + t['Schwacyrillic'] = 0x04D8; + t['Schwadieresiscyrillic'] = 0x04DA; + t['Scircle'] = 0x24C8; + t['Scircumflex'] = 0x015C; + t['Scommaaccent'] = 0x0218; + t['Sdotaccent'] = 0x1E60; + t['Sdotbelow'] = 0x1E62; + t['Sdotbelowdotaccent'] = 0x1E68; + t['Seharmenian'] = 0x054D; + t['Sevenroman'] = 0x2166; + t['Shaarmenian'] = 0x0547; + t['Shacyrillic'] = 0x0428; + t['Shchacyrillic'] = 0x0429; + t['Sheicoptic'] = 0x03E2; + t['Shhacyrillic'] = 0x04BA; + t['Shimacoptic'] = 0x03EC; + t['Sigma'] = 0x03A3; + t['Sixroman'] = 0x2165; + t['Smonospace'] = 0xFF33; + t['Softsigncyrillic'] = 0x042C; + t['Ssmall'] = 0xF773; + t['Stigmagreek'] = 0x03DA; + t['T'] = 0x0054; + t['Tau'] = 0x03A4; + t['Tbar'] = 0x0166; + t['Tcaron'] = 0x0164; + t['Tcedilla'] = 0x0162; + t['Tcircle'] = 0x24C9; + t['Tcircumflexbelow'] = 0x1E70; + t['Tcommaaccent'] = 0x0162; + t['Tdotaccent'] = 0x1E6A; + t['Tdotbelow'] = 0x1E6C; + t['Tecyrillic'] = 0x0422; + t['Tedescendercyrillic'] = 0x04AC; + t['Tenroman'] = 0x2169; + t['Tetsecyrillic'] = 0x04B4; + t['Theta'] = 0x0398; + t['Thook'] = 0x01AC; + t['Thorn'] = 0x00DE; + t['Thornsmall'] = 0xF7FE; + t['Threeroman'] = 0x2162; + t['Tildesmall'] = 0xF6FE; + t['Tiwnarmenian'] = 0x054F; + t['Tlinebelow'] = 0x1E6E; + t['Tmonospace'] = 0xFF34; + t['Toarmenian'] = 0x0539; + t['Tonefive'] = 0x01BC; + t['Tonesix'] = 0x0184; + t['Tonetwo'] = 0x01A7; + t['Tretroflexhook'] = 0x01AE; + t['Tsecyrillic'] = 0x0426; + t['Tshecyrillic'] = 0x040B; + t['Tsmall'] = 0xF774; + t['Twelveroman'] = 0x216B; + t['Tworoman'] = 0x2161; + t['U'] = 0x0055; + t['Uacute'] = 0x00DA; + t['Uacutesmall'] = 0xF7FA; + t['Ubreve'] = 0x016C; + t['Ucaron'] = 0x01D3; + t['Ucircle'] = 0x24CA; + t['Ucircumflex'] = 0x00DB; + t['Ucircumflexbelow'] = 0x1E76; + t['Ucircumflexsmall'] = 0xF7FB; + t['Ucyrillic'] = 0x0423; + t['Udblacute'] = 0x0170; + t['Udblgrave'] = 0x0214; + t['Udieresis'] = 0x00DC; + t['Udieresisacute'] = 0x01D7; + t['Udieresisbelow'] = 0x1E72; + t['Udieresiscaron'] = 0x01D9; + t['Udieresiscyrillic'] = 0x04F0; + t['Udieresisgrave'] = 0x01DB; + t['Udieresismacron'] = 0x01D5; + t['Udieresissmall'] = 0xF7FC; + t['Udotbelow'] = 0x1EE4; + t['Ugrave'] = 0x00D9; + t['Ugravesmall'] = 0xF7F9; + t['Uhookabove'] = 0x1EE6; + t['Uhorn'] = 0x01AF; + t['Uhornacute'] = 0x1EE8; + t['Uhorndotbelow'] = 0x1EF0; + t['Uhorngrave'] = 0x1EEA; + t['Uhornhookabove'] = 0x1EEC; + t['Uhorntilde'] = 0x1EEE; + t['Uhungarumlaut'] = 0x0170; + t['Uhungarumlautcyrillic'] = 0x04F2; + t['Uinvertedbreve'] = 0x0216; + t['Ukcyrillic'] = 0x0478; + t['Umacron'] = 0x016A; + t['Umacroncyrillic'] = 0x04EE; + t['Umacrondieresis'] = 0x1E7A; + t['Umonospace'] = 0xFF35; + t['Uogonek'] = 0x0172; + t['Upsilon'] = 0x03A5; + t['Upsilon1'] = 0x03D2; + t['Upsilonacutehooksymbolgreek'] = 0x03D3; + t['Upsilonafrican'] = 0x01B1; + t['Upsilondieresis'] = 0x03AB; + t['Upsilondieresishooksymbolgreek'] = 0x03D4; + t['Upsilonhooksymbol'] = 0x03D2; + t['Upsilontonos'] = 0x038E; + t['Uring'] = 0x016E; + t['Ushortcyrillic'] = 0x040E; + t['Usmall'] = 0xF775; + t['Ustraightcyrillic'] = 0x04AE; + t['Ustraightstrokecyrillic'] = 0x04B0; + t['Utilde'] = 0x0168; + t['Utildeacute'] = 0x1E78; + t['Utildebelow'] = 0x1E74; + t['V'] = 0x0056; + t['Vcircle'] = 0x24CB; + t['Vdotbelow'] = 0x1E7E; + t['Vecyrillic'] = 0x0412; + t['Vewarmenian'] = 0x054E; + t['Vhook'] = 0x01B2; + t['Vmonospace'] = 0xFF36; + t['Voarmenian'] = 0x0548; + t['Vsmall'] = 0xF776; + t['Vtilde'] = 0x1E7C; + t['W'] = 0x0057; + t['Wacute'] = 0x1E82; + t['Wcircle'] = 0x24CC; + t['Wcircumflex'] = 0x0174; + t['Wdieresis'] = 0x1E84; + t['Wdotaccent'] = 0x1E86; + t['Wdotbelow'] = 0x1E88; + t['Wgrave'] = 0x1E80; + t['Wmonospace'] = 0xFF37; + t['Wsmall'] = 0xF777; + t['X'] = 0x0058; + t['Xcircle'] = 0x24CD; + t['Xdieresis'] = 0x1E8C; + t['Xdotaccent'] = 0x1E8A; + t['Xeharmenian'] = 0x053D; + t['Xi'] = 0x039E; + t['Xmonospace'] = 0xFF38; + t['Xsmall'] = 0xF778; + t['Y'] = 0x0059; + t['Yacute'] = 0x00DD; + t['Yacutesmall'] = 0xF7FD; + t['Yatcyrillic'] = 0x0462; + t['Ycircle'] = 0x24CE; + t['Ycircumflex'] = 0x0176; + t['Ydieresis'] = 0x0178; + t['Ydieresissmall'] = 0xF7FF; + t['Ydotaccent'] = 0x1E8E; + t['Ydotbelow'] = 0x1EF4; + t['Yericyrillic'] = 0x042B; + t['Yerudieresiscyrillic'] = 0x04F8; + t['Ygrave'] = 0x1EF2; + t['Yhook'] = 0x01B3; + t['Yhookabove'] = 0x1EF6; + t['Yiarmenian'] = 0x0545; + t['Yicyrillic'] = 0x0407; + t['Yiwnarmenian'] = 0x0552; + t['Ymonospace'] = 0xFF39; + t['Ysmall'] = 0xF779; + t['Ytilde'] = 0x1EF8; + t['Yusbigcyrillic'] = 0x046A; + t['Yusbigiotifiedcyrillic'] = 0x046C; + t['Yuslittlecyrillic'] = 0x0466; + t['Yuslittleiotifiedcyrillic'] = 0x0468; + t['Z'] = 0x005A; + t['Zaarmenian'] = 0x0536; + t['Zacute'] = 0x0179; + t['Zcaron'] = 0x017D; + t['Zcaronsmall'] = 0xF6FF; + t['Zcircle'] = 0x24CF; + t['Zcircumflex'] = 0x1E90; + t['Zdot'] = 0x017B; + t['Zdotaccent'] = 0x017B; + t['Zdotbelow'] = 0x1E92; + t['Zecyrillic'] = 0x0417; + t['Zedescendercyrillic'] = 0x0498; + t['Zedieresiscyrillic'] = 0x04DE; + t['Zeta'] = 0x0396; + t['Zhearmenian'] = 0x053A; + t['Zhebrevecyrillic'] = 0x04C1; + t['Zhecyrillic'] = 0x0416; + t['Zhedescendercyrillic'] = 0x0496; + t['Zhedieresiscyrillic'] = 0x04DC; + t['Zlinebelow'] = 0x1E94; + t['Zmonospace'] = 0xFF3A; + t['Zsmall'] = 0xF77A; + t['Zstroke'] = 0x01B5; + t['a'] = 0x0061; + t['aabengali'] = 0x0986; + t['aacute'] = 0x00E1; + t['aadeva'] = 0x0906; + t['aagujarati'] = 0x0A86; + t['aagurmukhi'] = 0x0A06; + t['aamatragurmukhi'] = 0x0A3E; + t['aarusquare'] = 0x3303; + t['aavowelsignbengali'] = 0x09BE; + t['aavowelsigndeva'] = 0x093E; + t['aavowelsigngujarati'] = 0x0ABE; + t['abbreviationmarkarmenian'] = 0x055F; + t['abbreviationsigndeva'] = 0x0970; + t['abengali'] = 0x0985; + t['abopomofo'] = 0x311A; + t['abreve'] = 0x0103; + t['abreveacute'] = 0x1EAF; + t['abrevecyrillic'] = 0x04D1; + t['abrevedotbelow'] = 0x1EB7; + t['abrevegrave'] = 0x1EB1; + t['abrevehookabove'] = 0x1EB3; + t['abrevetilde'] = 0x1EB5; + t['acaron'] = 0x01CE; + t['acircle'] = 0x24D0; + t['acircumflex'] = 0x00E2; + t['acircumflexacute'] = 0x1EA5; + t['acircumflexdotbelow'] = 0x1EAD; + t['acircumflexgrave'] = 0x1EA7; + t['acircumflexhookabove'] = 0x1EA9; + t['acircumflextilde'] = 0x1EAB; + t['acute'] = 0x00B4; + t['acutebelowcmb'] = 0x0317; + t['acutecmb'] = 0x0301; + t['acutecomb'] = 0x0301; + t['acutedeva'] = 0x0954; + t['acutelowmod'] = 0x02CF; + t['acutetonecmb'] = 0x0341; + t['acyrillic'] = 0x0430; + t['adblgrave'] = 0x0201; + t['addakgurmukhi'] = 0x0A71; + t['adeva'] = 0x0905; + t['adieresis'] = 0x00E4; + t['adieresiscyrillic'] = 0x04D3; + t['adieresismacron'] = 0x01DF; + t['adotbelow'] = 0x1EA1; + t['adotmacron'] = 0x01E1; + t['ae'] = 0x00E6; + t['aeacute'] = 0x01FD; + t['aekorean'] = 0x3150; + t['aemacron'] = 0x01E3; + t['afii00208'] = 0x2015; + t['afii08941'] = 0x20A4; + t['afii10017'] = 0x0410; + t['afii10018'] = 0x0411; + t['afii10019'] = 0x0412; + t['afii10020'] = 0x0413; + t['afii10021'] = 0x0414; + t['afii10022'] = 0x0415; + t['afii10023'] = 0x0401; + t['afii10024'] = 0x0416; + t['afii10025'] = 0x0417; + t['afii10026'] = 0x0418; + t['afii10027'] = 0x0419; + t['afii10028'] = 0x041A; + t['afii10029'] = 0x041B; + t['afii10030'] = 0x041C; + t['afii10031'] = 0x041D; + t['afii10032'] = 0x041E; + t['afii10033'] = 0x041F; + t['afii10034'] = 0x0420; + t['afii10035'] = 0x0421; + t['afii10036'] = 0x0422; + t['afii10037'] = 0x0423; + t['afii10038'] = 0x0424; + t['afii10039'] = 0x0425; + t['afii10040'] = 0x0426; + t['afii10041'] = 0x0427; + t['afii10042'] = 0x0428; + t['afii10043'] = 0x0429; + t['afii10044'] = 0x042A; + t['afii10045'] = 0x042B; + t['afii10046'] = 0x042C; + t['afii10047'] = 0x042D; + t['afii10048'] = 0x042E; + t['afii10049'] = 0x042F; + t['afii10050'] = 0x0490; + t['afii10051'] = 0x0402; + t['afii10052'] = 0x0403; + t['afii10053'] = 0x0404; + t['afii10054'] = 0x0405; + t['afii10055'] = 0x0406; + t['afii10056'] = 0x0407; + t['afii10057'] = 0x0408; + t['afii10058'] = 0x0409; + t['afii10059'] = 0x040A; + t['afii10060'] = 0x040B; + t['afii10061'] = 0x040C; + t['afii10062'] = 0x040E; + t['afii10063'] = 0xF6C4; + t['afii10064'] = 0xF6C5; + t['afii10065'] = 0x0430; + t['afii10066'] = 0x0431; + t['afii10067'] = 0x0432; + t['afii10068'] = 0x0433; + t['afii10069'] = 0x0434; + t['afii10070'] = 0x0435; + t['afii10071'] = 0x0451; + t['afii10072'] = 0x0436; + t['afii10073'] = 0x0437; + t['afii10074'] = 0x0438; + t['afii10075'] = 0x0439; + t['afii10076'] = 0x043A; + t['afii10077'] = 0x043B; + t['afii10078'] = 0x043C; + t['afii10079'] = 0x043D; + t['afii10080'] = 0x043E; + t['afii10081'] = 0x043F; + t['afii10082'] = 0x0440; + t['afii10083'] = 0x0441; + t['afii10084'] = 0x0442; + t['afii10085'] = 0x0443; + t['afii10086'] = 0x0444; + t['afii10087'] = 0x0445; + t['afii10088'] = 0x0446; + t['afii10089'] = 0x0447; + t['afii10090'] = 0x0448; + t['afii10091'] = 0x0449; + t['afii10092'] = 0x044A; + t['afii10093'] = 0x044B; + t['afii10094'] = 0x044C; + t['afii10095'] = 0x044D; + t['afii10096'] = 0x044E; + t['afii10097'] = 0x044F; + t['afii10098'] = 0x0491; + t['afii10099'] = 0x0452; + t['afii10100'] = 0x0453; + t['afii10101'] = 0x0454; + t['afii10102'] = 0x0455; + t['afii10103'] = 0x0456; + t['afii10104'] = 0x0457; + t['afii10105'] = 0x0458; + t['afii10106'] = 0x0459; + t['afii10107'] = 0x045A; + t['afii10108'] = 0x045B; + t['afii10109'] = 0x045C; + t['afii10110'] = 0x045E; + t['afii10145'] = 0x040F; + t['afii10146'] = 0x0462; + t['afii10147'] = 0x0472; + t['afii10148'] = 0x0474; + t['afii10192'] = 0xF6C6; + t['afii10193'] = 0x045F; + t['afii10194'] = 0x0463; + t['afii10195'] = 0x0473; + t['afii10196'] = 0x0475; + t['afii10831'] = 0xF6C7; + t['afii10832'] = 0xF6C8; + t['afii10846'] = 0x04D9; + t['afii299'] = 0x200E; + t['afii300'] = 0x200F; + t['afii301'] = 0x200D; + t['afii57381'] = 0x066A; + t['afii57388'] = 0x060C; + t['afii57392'] = 0x0660; + t['afii57393'] = 0x0661; + t['afii57394'] = 0x0662; + t['afii57395'] = 0x0663; + t['afii57396'] = 0x0664; + t['afii57397'] = 0x0665; + t['afii57398'] = 0x0666; + t['afii57399'] = 0x0667; + t['afii57400'] = 0x0668; + t['afii57401'] = 0x0669; + t['afii57403'] = 0x061B; + t['afii57407'] = 0x061F; + t['afii57409'] = 0x0621; + t['afii57410'] = 0x0622; + t['afii57411'] = 0x0623; + t['afii57412'] = 0x0624; + t['afii57413'] = 0x0625; + t['afii57414'] = 0x0626; + t['afii57415'] = 0x0627; + t['afii57416'] = 0x0628; + t['afii57417'] = 0x0629; + t['afii57418'] = 0x062A; + t['afii57419'] = 0x062B; + t['afii57420'] = 0x062C; + t['afii57421'] = 0x062D; + t['afii57422'] = 0x062E; + t['afii57423'] = 0x062F; + t['afii57424'] = 0x0630; + t['afii57425'] = 0x0631; + t['afii57426'] = 0x0632; + t['afii57427'] = 0x0633; + t['afii57428'] = 0x0634; + t['afii57429'] = 0x0635; + t['afii57430'] = 0x0636; + t['afii57431'] = 0x0637; + t['afii57432'] = 0x0638; + t['afii57433'] = 0x0639; + t['afii57434'] = 0x063A; + t['afii57440'] = 0x0640; + t['afii57441'] = 0x0641; + t['afii57442'] = 0x0642; + t['afii57443'] = 0x0643; + t['afii57444'] = 0x0644; + t['afii57445'] = 0x0645; + t['afii57446'] = 0x0646; + t['afii57448'] = 0x0648; + t['afii57449'] = 0x0649; + t['afii57450'] = 0x064A; + t['afii57451'] = 0x064B; + t['afii57452'] = 0x064C; + t['afii57453'] = 0x064D; + t['afii57454'] = 0x064E; + t['afii57455'] = 0x064F; + t['afii57456'] = 0x0650; + t['afii57457'] = 0x0651; + t['afii57458'] = 0x0652; + t['afii57470'] = 0x0647; + t['afii57505'] = 0x06A4; + t['afii57506'] = 0x067E; + t['afii57507'] = 0x0686; + t['afii57508'] = 0x0698; + t['afii57509'] = 0x06AF; + t['afii57511'] = 0x0679; + t['afii57512'] = 0x0688; + t['afii57513'] = 0x0691; + t['afii57514'] = 0x06BA; + t['afii57519'] = 0x06D2; + t['afii57534'] = 0x06D5; + t['afii57636'] = 0x20AA; + t['afii57645'] = 0x05BE; + t['afii57658'] = 0x05C3; + t['afii57664'] = 0x05D0; + t['afii57665'] = 0x05D1; + t['afii57666'] = 0x05D2; + t['afii57667'] = 0x05D3; + t['afii57668'] = 0x05D4; + t['afii57669'] = 0x05D5; + t['afii57670'] = 0x05D6; + t['afii57671'] = 0x05D7; + t['afii57672'] = 0x05D8; + t['afii57673'] = 0x05D9; + t['afii57674'] = 0x05DA; + t['afii57675'] = 0x05DB; + t['afii57676'] = 0x05DC; + t['afii57677'] = 0x05DD; + t['afii57678'] = 0x05DE; + t['afii57679'] = 0x05DF; + t['afii57680'] = 0x05E0; + t['afii57681'] = 0x05E1; + t['afii57682'] = 0x05E2; + t['afii57683'] = 0x05E3; + t['afii57684'] = 0x05E4; + t['afii57685'] = 0x05E5; + t['afii57686'] = 0x05E6; + t['afii57687'] = 0x05E7; + t['afii57688'] = 0x05E8; + t['afii57689'] = 0x05E9; + t['afii57690'] = 0x05EA; + t['afii57694'] = 0xFB2A; + t['afii57695'] = 0xFB2B; + t['afii57700'] = 0xFB4B; + t['afii57705'] = 0xFB1F; + t['afii57716'] = 0x05F0; + t['afii57717'] = 0x05F1; + t['afii57718'] = 0x05F2; + t['afii57723'] = 0xFB35; + t['afii57793'] = 0x05B4; + t['afii57794'] = 0x05B5; + t['afii57795'] = 0x05B6; + t['afii57796'] = 0x05BB; + t['afii57797'] = 0x05B8; + t['afii57798'] = 0x05B7; + t['afii57799'] = 0x05B0; + t['afii57800'] = 0x05B2; + t['afii57801'] = 0x05B1; + t['afii57802'] = 0x05B3; + t['afii57803'] = 0x05C2; + t['afii57804'] = 0x05C1; + t['afii57806'] = 0x05B9; + t['afii57807'] = 0x05BC; + t['afii57839'] = 0x05BD; + t['afii57841'] = 0x05BF; + t['afii57842'] = 0x05C0; + t['afii57929'] = 0x02BC; + t['afii61248'] = 0x2105; + t['afii61289'] = 0x2113; + t['afii61352'] = 0x2116; + t['afii61573'] = 0x202C; + t['afii61574'] = 0x202D; + t['afii61575'] = 0x202E; + t['afii61664'] = 0x200C; + t['afii63167'] = 0x066D; + t['afii64937'] = 0x02BD; + t['agrave'] = 0x00E0; + t['agujarati'] = 0x0A85; + t['agurmukhi'] = 0x0A05; + t['ahiragana'] = 0x3042; + t['ahookabove'] = 0x1EA3; + t['aibengali'] = 0x0990; + t['aibopomofo'] = 0x311E; + t['aideva'] = 0x0910; + t['aiecyrillic'] = 0x04D5; + t['aigujarati'] = 0x0A90; + t['aigurmukhi'] = 0x0A10; + t['aimatragurmukhi'] = 0x0A48; + t['ainarabic'] = 0x0639; + t['ainfinalarabic'] = 0xFECA; + t['aininitialarabic'] = 0xFECB; + t['ainmedialarabic'] = 0xFECC; + t['ainvertedbreve'] = 0x0203; + t['aivowelsignbengali'] = 0x09C8; + t['aivowelsigndeva'] = 0x0948; + t['aivowelsigngujarati'] = 0x0AC8; + t['akatakana'] = 0x30A2; + t['akatakanahalfwidth'] = 0xFF71; + t['akorean'] = 0x314F; + t['alef'] = 0x05D0; + t['alefarabic'] = 0x0627; + t['alefdageshhebrew'] = 0xFB30; + t['aleffinalarabic'] = 0xFE8E; + t['alefhamzaabovearabic'] = 0x0623; + t['alefhamzaabovefinalarabic'] = 0xFE84; + t['alefhamzabelowarabic'] = 0x0625; + t['alefhamzabelowfinalarabic'] = 0xFE88; + t['alefhebrew'] = 0x05D0; + t['aleflamedhebrew'] = 0xFB4F; + t['alefmaddaabovearabic'] = 0x0622; + t['alefmaddaabovefinalarabic'] = 0xFE82; + t['alefmaksuraarabic'] = 0x0649; + t['alefmaksurafinalarabic'] = 0xFEF0; + t['alefmaksurainitialarabic'] = 0xFEF3; + t['alefmaksuramedialarabic'] = 0xFEF4; + t['alefpatahhebrew'] = 0xFB2E; + t['alefqamatshebrew'] = 0xFB2F; + t['aleph'] = 0x2135; + t['allequal'] = 0x224C; + t['alpha'] = 0x03B1; + t['alphatonos'] = 0x03AC; + t['amacron'] = 0x0101; + t['amonospace'] = 0xFF41; + t['ampersand'] = 0x0026; + t['ampersandmonospace'] = 0xFF06; + t['ampersandsmall'] = 0xF726; + t['amsquare'] = 0x33C2; + t['anbopomofo'] = 0x3122; + t['angbopomofo'] = 0x3124; + t['angbracketleft'] = 0x3008; + // Glyph is missing from Adobe's original list. + t['angbracketright'] = 0x3009; + // Glyph is missing from Adobe's original list. + t['angkhankhuthai'] = 0x0E5A; + t['angle'] = 0x2220; + t['anglebracketleft'] = 0x3008; + t['anglebracketleftvertical'] = 0xFE3F; + t['anglebracketright'] = 0x3009; + t['anglebracketrightvertical'] = 0xFE40; + t['angleleft'] = 0x2329; + t['angleright'] = 0x232A; + t['angstrom'] = 0x212B; + t['anoteleia'] = 0x0387; + t['anudattadeva'] = 0x0952; + t['anusvarabengali'] = 0x0982; + t['anusvaradeva'] = 0x0902; + t['anusvaragujarati'] = 0x0A82; + t['aogonek'] = 0x0105; + t['apaatosquare'] = 0x3300; + t['aparen'] = 0x249C; + t['apostrophearmenian'] = 0x055A; + t['apostrophemod'] = 0x02BC; + t['apple'] = 0xF8FF; + t['approaches'] = 0x2250; + t['approxequal'] = 0x2248; + t['approxequalorimage'] = 0x2252; + t['approximatelyequal'] = 0x2245; + t['araeaekorean'] = 0x318E; + t['araeakorean'] = 0x318D; + t['arc'] = 0x2312; + t['arighthalfring'] = 0x1E9A; + t['aring'] = 0x00E5; + t['aringacute'] = 0x01FB; + t['aringbelow'] = 0x1E01; + t['arrowboth'] = 0x2194; + t['arrowdashdown'] = 0x21E3; + t['arrowdashleft'] = 0x21E0; + t['arrowdashright'] = 0x21E2; + t['arrowdashup'] = 0x21E1; + t['arrowdblboth'] = 0x21D4; + t['arrowdbldown'] = 0x21D3; + t['arrowdblleft'] = 0x21D0; + t['arrowdblright'] = 0x21D2; + t['arrowdblup'] = 0x21D1; + t['arrowdown'] = 0x2193; + t['arrowdownleft'] = 0x2199; + t['arrowdownright'] = 0x2198; + t['arrowdownwhite'] = 0x21E9; + t['arrowheaddownmod'] = 0x02C5; + t['arrowheadleftmod'] = 0x02C2; + t['arrowheadrightmod'] = 0x02C3; + t['arrowheadupmod'] = 0x02C4; + t['arrowhorizex'] = 0xF8E7; + t['arrowleft'] = 0x2190; + t['arrowleftdbl'] = 0x21D0; + t['arrowleftdblstroke'] = 0x21CD; + t['arrowleftoverright'] = 0x21C6; + t['arrowleftwhite'] = 0x21E6; + t['arrowright'] = 0x2192; + t['arrowrightdblstroke'] = 0x21CF; + t['arrowrightheavy'] = 0x279E; + t['arrowrightoverleft'] = 0x21C4; + t['arrowrightwhite'] = 0x21E8; + t['arrowtableft'] = 0x21E4; + t['arrowtabright'] = 0x21E5; + t['arrowup'] = 0x2191; + t['arrowupdn'] = 0x2195; + t['arrowupdnbse'] = 0x21A8; + t['arrowupdownbase'] = 0x21A8; + t['arrowupleft'] = 0x2196; + t['arrowupleftofdown'] = 0x21C5; + t['arrowupright'] = 0x2197; + t['arrowupwhite'] = 0x21E7; + t['arrowvertex'] = 0xF8E6; + t['asciicircum'] = 0x005E; + t['asciicircummonospace'] = 0xFF3E; + t['asciitilde'] = 0x007E; + t['asciitildemonospace'] = 0xFF5E; + t['ascript'] = 0x0251; + t['ascriptturned'] = 0x0252; + t['asmallhiragana'] = 0x3041; + t['asmallkatakana'] = 0x30A1; + t['asmallkatakanahalfwidth'] = 0xFF67; + t['asterisk'] = 0x002A; + t['asteriskaltonearabic'] = 0x066D; + t['asteriskarabic'] = 0x066D; + t['asteriskmath'] = 0x2217; + t['asteriskmonospace'] = 0xFF0A; + t['asterisksmall'] = 0xFE61; + t['asterism'] = 0x2042; + t['asuperior'] = 0xF6E9; + t['asymptoticallyequal'] = 0x2243; + t['at'] = 0x0040; + t['atilde'] = 0x00E3; + t['atmonospace'] = 0xFF20; + t['atsmall'] = 0xFE6B; + t['aturned'] = 0x0250; + t['aubengali'] = 0x0994; + t['aubopomofo'] = 0x3120; + t['audeva'] = 0x0914; + t['augujarati'] = 0x0A94; + t['augurmukhi'] = 0x0A14; + t['aulengthmarkbengali'] = 0x09D7; + t['aumatragurmukhi'] = 0x0A4C; + t['auvowelsignbengali'] = 0x09CC; + t['auvowelsigndeva'] = 0x094C; + t['auvowelsigngujarati'] = 0x0ACC; + t['avagrahadeva'] = 0x093D; + t['aybarmenian'] = 0x0561; + t['ayin'] = 0x05E2; + t['ayinaltonehebrew'] = 0xFB20; + t['ayinhebrew'] = 0x05E2; + t['b'] = 0x0062; + t['babengali'] = 0x09AC; + t['backslash'] = 0x005C; + t['backslashmonospace'] = 0xFF3C; + t['badeva'] = 0x092C; + t['bagujarati'] = 0x0AAC; + t['bagurmukhi'] = 0x0A2C; + t['bahiragana'] = 0x3070; + t['bahtthai'] = 0x0E3F; + t['bakatakana'] = 0x30D0; + t['bar'] = 0x007C; + t['barmonospace'] = 0xFF5C; + t['bbopomofo'] = 0x3105; + t['bcircle'] = 0x24D1; + t['bdotaccent'] = 0x1E03; + t['bdotbelow'] = 0x1E05; + t['beamedsixteenthnotes'] = 0x266C; + t['because'] = 0x2235; + t['becyrillic'] = 0x0431; + t['beharabic'] = 0x0628; + t['behfinalarabic'] = 0xFE90; + t['behinitialarabic'] = 0xFE91; + t['behiragana'] = 0x3079; + t['behmedialarabic'] = 0xFE92; + t['behmeeminitialarabic'] = 0xFC9F; + t['behmeemisolatedarabic'] = 0xFC08; + t['behnoonfinalarabic'] = 0xFC6D; + t['bekatakana'] = 0x30D9; + t['benarmenian'] = 0x0562; + t['bet'] = 0x05D1; + t['beta'] = 0x03B2; + t['betasymbolgreek'] = 0x03D0; + t['betdagesh'] = 0xFB31; + t['betdageshhebrew'] = 0xFB31; + t['bethebrew'] = 0x05D1; + t['betrafehebrew'] = 0xFB4C; + t['bhabengali'] = 0x09AD; + t['bhadeva'] = 0x092D; + t['bhagujarati'] = 0x0AAD; + t['bhagurmukhi'] = 0x0A2D; + t['bhook'] = 0x0253; + t['bihiragana'] = 0x3073; + t['bikatakana'] = 0x30D3; + t['bilabialclick'] = 0x0298; + t['bindigurmukhi'] = 0x0A02; + t['birusquare'] = 0x3331; + t['blackcircle'] = 0x25CF; + t['blackdiamond'] = 0x25C6; + t['blackdownpointingtriangle'] = 0x25BC; + t['blackleftpointingpointer'] = 0x25C4; + t['blackleftpointingtriangle'] = 0x25C0; + t['blacklenticularbracketleft'] = 0x3010; + t['blacklenticularbracketleftvertical'] = 0xFE3B; + t['blacklenticularbracketright'] = 0x3011; + t['blacklenticularbracketrightvertical'] = 0xFE3C; + t['blacklowerlefttriangle'] = 0x25E3; + t['blacklowerrighttriangle'] = 0x25E2; + t['blackrectangle'] = 0x25AC; + t['blackrightpointingpointer'] = 0x25BA; + t['blackrightpointingtriangle'] = 0x25B6; + t['blacksmallsquare'] = 0x25AA; + t['blacksmilingface'] = 0x263B; + t['blacksquare'] = 0x25A0; + t['blackstar'] = 0x2605; + t['blackupperlefttriangle'] = 0x25E4; + t['blackupperrighttriangle'] = 0x25E5; + t['blackuppointingsmalltriangle'] = 0x25B4; + t['blackuppointingtriangle'] = 0x25B2; + t['blank'] = 0x2423; + t['blinebelow'] = 0x1E07; + t['block'] = 0x2588; + t['bmonospace'] = 0xFF42; + t['bobaimaithai'] = 0x0E1A; + t['bohiragana'] = 0x307C; + t['bokatakana'] = 0x30DC; + t['bparen'] = 0x249D; + t['bqsquare'] = 0x33C3; + t['braceex'] = 0xF8F4; + t['braceleft'] = 0x007B; + t['braceleftbt'] = 0xF8F3; + t['braceleftmid'] = 0xF8F2; + t['braceleftmonospace'] = 0xFF5B; + t['braceleftsmall'] = 0xFE5B; + t['bracelefttp'] = 0xF8F1; + t['braceleftvertical'] = 0xFE37; + t['braceright'] = 0x007D; + t['bracerightbt'] = 0xF8FE; + t['bracerightmid'] = 0xF8FD; + t['bracerightmonospace'] = 0xFF5D; + t['bracerightsmall'] = 0xFE5C; + t['bracerighttp'] = 0xF8FC; + t['bracerightvertical'] = 0xFE38; + t['bracketleft'] = 0x005B; + t['bracketleftbt'] = 0xF8F0; + t['bracketleftex'] = 0xF8EF; + t['bracketleftmonospace'] = 0xFF3B; + t['bracketlefttp'] = 0xF8EE; + t['bracketright'] = 0x005D; + t['bracketrightbt'] = 0xF8FB; + t['bracketrightex'] = 0xF8FA; + t['bracketrightmonospace'] = 0xFF3D; + t['bracketrighttp'] = 0xF8F9; + t['breve'] = 0x02D8; + t['brevebelowcmb'] = 0x032E; + t['brevecmb'] = 0x0306; + t['breveinvertedbelowcmb'] = 0x032F; + t['breveinvertedcmb'] = 0x0311; + t['breveinverteddoublecmb'] = 0x0361; + t['bridgebelowcmb'] = 0x032A; + t['bridgeinvertedbelowcmb'] = 0x033A; + t['brokenbar'] = 0x00A6; + t['bstroke'] = 0x0180; + t['bsuperior'] = 0xF6EA; + t['btopbar'] = 0x0183; + t['buhiragana'] = 0x3076; + t['bukatakana'] = 0x30D6; + t['bullet'] = 0x2022; + t['bulletinverse'] = 0x25D8; + t['bulletoperator'] = 0x2219; + t['bullseye'] = 0x25CE; + t['c'] = 0x0063; + t['caarmenian'] = 0x056E; + t['cabengali'] = 0x099A; + t['cacute'] = 0x0107; + t['cadeva'] = 0x091A; + t['cagujarati'] = 0x0A9A; + t['cagurmukhi'] = 0x0A1A; + t['calsquare'] = 0x3388; + t['candrabindubengali'] = 0x0981; + t['candrabinducmb'] = 0x0310; + t['candrabindudeva'] = 0x0901; + t['candrabindugujarati'] = 0x0A81; + t['capslock'] = 0x21EA; + t['careof'] = 0x2105; + t['caron'] = 0x02C7; + t['caronbelowcmb'] = 0x032C; + t['caroncmb'] = 0x030C; + t['carriagereturn'] = 0x21B5; + t['cbopomofo'] = 0x3118; + t['ccaron'] = 0x010D; + t['ccedilla'] = 0x00E7; + t['ccedillaacute'] = 0x1E09; + t['ccircle'] = 0x24D2; + t['ccircumflex'] = 0x0109; + t['ccurl'] = 0x0255; + t['cdot'] = 0x010B; + t['cdotaccent'] = 0x010B; + t['cdsquare'] = 0x33C5; + t['cedilla'] = 0x00B8; + t['cedillacmb'] = 0x0327; + t['cent'] = 0x00A2; + t['centigrade'] = 0x2103; + t['centinferior'] = 0xF6DF; + t['centmonospace'] = 0xFFE0; + t['centoldstyle'] = 0xF7A2; + t['centsuperior'] = 0xF6E0; + t['chaarmenian'] = 0x0579; + t['chabengali'] = 0x099B; + t['chadeva'] = 0x091B; + t['chagujarati'] = 0x0A9B; + t['chagurmukhi'] = 0x0A1B; + t['chbopomofo'] = 0x3114; + t['cheabkhasiancyrillic'] = 0x04BD; + t['checkmark'] = 0x2713; + t['checyrillic'] = 0x0447; + t['chedescenderabkhasiancyrillic'] = 0x04BF; + t['chedescendercyrillic'] = 0x04B7; + t['chedieresiscyrillic'] = 0x04F5; + t['cheharmenian'] = 0x0573; + t['chekhakassiancyrillic'] = 0x04CC; + t['cheverticalstrokecyrillic'] = 0x04B9; + t['chi'] = 0x03C7; + t['chieuchacirclekorean'] = 0x3277; + t['chieuchaparenkorean'] = 0x3217; + t['chieuchcirclekorean'] = 0x3269; + t['chieuchkorean'] = 0x314A; + t['chieuchparenkorean'] = 0x3209; + t['chochangthai'] = 0x0E0A; + t['chochanthai'] = 0x0E08; + t['chochingthai'] = 0x0E09; + t['chochoethai'] = 0x0E0C; + t['chook'] = 0x0188; + t['cieucacirclekorean'] = 0x3276; + t['cieucaparenkorean'] = 0x3216; + t['cieuccirclekorean'] = 0x3268; + t['cieuckorean'] = 0x3148; + t['cieucparenkorean'] = 0x3208; + t['cieucuparenkorean'] = 0x321C; + t['circle'] = 0x25CB; + t['circlecopyrt'] = 0x00A9; + // Glyph is missing from Adobe's original list. + t['circlemultiply'] = 0x2297; + t['circleot'] = 0x2299; + t['circleplus'] = 0x2295; + t['circlepostalmark'] = 0x3036; + t['circlewithlefthalfblack'] = 0x25D0; + t['circlewithrighthalfblack'] = 0x25D1; + t['circumflex'] = 0x02C6; + t['circumflexbelowcmb'] = 0x032D; + t['circumflexcmb'] = 0x0302; + t['clear'] = 0x2327; + t['clickalveolar'] = 0x01C2; + t['clickdental'] = 0x01C0; + t['clicklateral'] = 0x01C1; + t['clickretroflex'] = 0x01C3; + t['club'] = 0x2663; + t['clubsuitblack'] = 0x2663; + t['clubsuitwhite'] = 0x2667; + t['cmcubedsquare'] = 0x33A4; + t['cmonospace'] = 0xFF43; + t['cmsquaredsquare'] = 0x33A0; + t['coarmenian'] = 0x0581; + t['colon'] = 0x003A; + t['colonmonetary'] = 0x20A1; + t['colonmonospace'] = 0xFF1A; + t['colonsign'] = 0x20A1; + t['colonsmall'] = 0xFE55; + t['colontriangularhalfmod'] = 0x02D1; + t['colontriangularmod'] = 0x02D0; + t['comma'] = 0x002C; + t['commaabovecmb'] = 0x0313; + t['commaaboverightcmb'] = 0x0315; + t['commaaccent'] = 0xF6C3; + t['commaarabic'] = 0x060C; + t['commaarmenian'] = 0x055D; + t['commainferior'] = 0xF6E1; + t['commamonospace'] = 0xFF0C; + t['commareversedabovecmb'] = 0x0314; + t['commareversedmod'] = 0x02BD; + t['commasmall'] = 0xFE50; + t['commasuperior'] = 0xF6E2; + t['commaturnedabovecmb'] = 0x0312; + t['commaturnedmod'] = 0x02BB; + t['compass'] = 0x263C; + t['congruent'] = 0x2245; + t['contourintegral'] = 0x222E; + t['control'] = 0x2303; + t['controlACK'] = 0x0006; + t['controlBEL'] = 0x0007; + t['controlBS'] = 0x0008; + t['controlCAN'] = 0x0018; + t['controlCR'] = 0x000D; + t['controlDC1'] = 0x0011; + t['controlDC2'] = 0x0012; + t['controlDC3'] = 0x0013; + t['controlDC4'] = 0x0014; + t['controlDEL'] = 0x007F; + t['controlDLE'] = 0x0010; + t['controlEM'] = 0x0019; + t['controlENQ'] = 0x0005; + t['controlEOT'] = 0x0004; + t['controlESC'] = 0x001B; + t['controlETB'] = 0x0017; + t['controlETX'] = 0x0003; + t['controlFF'] = 0x000C; + t['controlFS'] = 0x001C; + t['controlGS'] = 0x001D; + t['controlHT'] = 0x0009; + t['controlLF'] = 0x000A; + t['controlNAK'] = 0x0015; + t['controlRS'] = 0x001E; + t['controlSI'] = 0x000F; + t['controlSO'] = 0x000E; + t['controlSOT'] = 0x0002; + t['controlSTX'] = 0x0001; + t['controlSUB'] = 0x001A; + t['controlSYN'] = 0x0016; + t['controlUS'] = 0x001F; + t['controlVT'] = 0x000B; + t['copyright'] = 0x00A9; + t['copyrightsans'] = 0xF8E9; + t['copyrightserif'] = 0xF6D9; + t['cornerbracketleft'] = 0x300C; + t['cornerbracketlefthalfwidth'] = 0xFF62; + t['cornerbracketleftvertical'] = 0xFE41; + t['cornerbracketright'] = 0x300D; + t['cornerbracketrighthalfwidth'] = 0xFF63; + t['cornerbracketrightvertical'] = 0xFE42; + t['corporationsquare'] = 0x337F; + t['cosquare'] = 0x33C7; + t['coverkgsquare'] = 0x33C6; + t['cparen'] = 0x249E; + t['cruzeiro'] = 0x20A2; + t['cstretched'] = 0x0297; + t['curlyand'] = 0x22CF; + t['curlyor'] = 0x22CE; + t['currency'] = 0x00A4; + t['cyrBreve'] = 0xF6D1; + t['cyrFlex'] = 0xF6D2; + t['cyrbreve'] = 0xF6D4; + t['cyrflex'] = 0xF6D5; + t['d'] = 0x0064; + t['daarmenian'] = 0x0564; + t['dabengali'] = 0x09A6; + t['dadarabic'] = 0x0636; + t['dadeva'] = 0x0926; + t['dadfinalarabic'] = 0xFEBE; + t['dadinitialarabic'] = 0xFEBF; + t['dadmedialarabic'] = 0xFEC0; + t['dagesh'] = 0x05BC; + t['dageshhebrew'] = 0x05BC; + t['dagger'] = 0x2020; + t['daggerdbl'] = 0x2021; + t['dagujarati'] = 0x0AA6; + t['dagurmukhi'] = 0x0A26; + t['dahiragana'] = 0x3060; + t['dakatakana'] = 0x30C0; + t['dalarabic'] = 0x062F; + t['dalet'] = 0x05D3; + t['daletdagesh'] = 0xFB33; + t['daletdageshhebrew'] = 0xFB33; + t['dalethebrew'] = 0x05D3; + t['dalfinalarabic'] = 0xFEAA; + t['dammaarabic'] = 0x064F; + t['dammalowarabic'] = 0x064F; + t['dammatanaltonearabic'] = 0x064C; + t['dammatanarabic'] = 0x064C; + t['danda'] = 0x0964; + t['dargahebrew'] = 0x05A7; + t['dargalefthebrew'] = 0x05A7; + t['dasiapneumatacyrilliccmb'] = 0x0485; + t['dblGrave'] = 0xF6D3; + t['dblanglebracketleft'] = 0x300A; + t['dblanglebracketleftvertical'] = 0xFE3D; + t['dblanglebracketright'] = 0x300B; + t['dblanglebracketrightvertical'] = 0xFE3E; + t['dblarchinvertedbelowcmb'] = 0x032B; + t['dblarrowleft'] = 0x21D4; + t['dblarrowright'] = 0x21D2; + t['dbldanda'] = 0x0965; + t['dblgrave'] = 0xF6D6; + t['dblgravecmb'] = 0x030F; + t['dblintegral'] = 0x222C; + t['dbllowline'] = 0x2017; + t['dbllowlinecmb'] = 0x0333; + t['dbloverlinecmb'] = 0x033F; + t['dblprimemod'] = 0x02BA; + t['dblverticalbar'] = 0x2016; + t['dblverticallineabovecmb'] = 0x030E; + t['dbopomofo'] = 0x3109; + t['dbsquare'] = 0x33C8; + t['dcaron'] = 0x010F; + t['dcedilla'] = 0x1E11; + t['dcircle'] = 0x24D3; + t['dcircumflexbelow'] = 0x1E13; + t['dcroat'] = 0x0111; + t['ddabengali'] = 0x09A1; + t['ddadeva'] = 0x0921; + t['ddagujarati'] = 0x0AA1; + t['ddagurmukhi'] = 0x0A21; + t['ddalarabic'] = 0x0688; + t['ddalfinalarabic'] = 0xFB89; + t['dddhadeva'] = 0x095C; + t['ddhabengali'] = 0x09A2; + t['ddhadeva'] = 0x0922; + t['ddhagujarati'] = 0x0AA2; + t['ddhagurmukhi'] = 0x0A22; + t['ddotaccent'] = 0x1E0B; + t['ddotbelow'] = 0x1E0D; + t['decimalseparatorarabic'] = 0x066B; + t['decimalseparatorpersian'] = 0x066B; + t['decyrillic'] = 0x0434; + t['degree'] = 0x00B0; + t['dehihebrew'] = 0x05AD; + t['dehiragana'] = 0x3067; + t['deicoptic'] = 0x03EF; + t['dekatakana'] = 0x30C7; + t['deleteleft'] = 0x232B; + t['deleteright'] = 0x2326; + t['delta'] = 0x03B4; + t['deltaturned'] = 0x018D; + t['denominatorminusonenumeratorbengali'] = 0x09F8; + t['dezh'] = 0x02A4; + t['dhabengali'] = 0x09A7; + t['dhadeva'] = 0x0927; + t['dhagujarati'] = 0x0AA7; + t['dhagurmukhi'] = 0x0A27; + t['dhook'] = 0x0257; + t['dialytikatonos'] = 0x0385; + t['dialytikatonoscmb'] = 0x0344; + t['diamond'] = 0x2666; + t['diamondsuitwhite'] = 0x2662; + t['dieresis'] = 0x00A8; + t['dieresisacute'] = 0xF6D7; + t['dieresisbelowcmb'] = 0x0324; + t['dieresiscmb'] = 0x0308; + t['dieresisgrave'] = 0xF6D8; + t['dieresistonos'] = 0x0385; + t['dihiragana'] = 0x3062; + t['dikatakana'] = 0x30C2; + t['dittomark'] = 0x3003; + t['divide'] = 0x00F7; + t['divides'] = 0x2223; + t['divisionslash'] = 0x2215; + t['djecyrillic'] = 0x0452; + t['dkshade'] = 0x2593; + t['dlinebelow'] = 0x1E0F; + t['dlsquare'] = 0x3397; + t['dmacron'] = 0x0111; + t['dmonospace'] = 0xFF44; + t['dnblock'] = 0x2584; + t['dochadathai'] = 0x0E0E; + t['dodekthai'] = 0x0E14; + t['dohiragana'] = 0x3069; + t['dokatakana'] = 0x30C9; + t['dollar'] = 0x0024; + t['dollarinferior'] = 0xF6E3; + t['dollarmonospace'] = 0xFF04; + t['dollaroldstyle'] = 0xF724; + t['dollarsmall'] = 0xFE69; + t['dollarsuperior'] = 0xF6E4; + t['dong'] = 0x20AB; + t['dorusquare'] = 0x3326; + t['dotaccent'] = 0x02D9; + t['dotaccentcmb'] = 0x0307; + t['dotbelowcmb'] = 0x0323; + t['dotbelowcomb'] = 0x0323; + t['dotkatakana'] = 0x30FB; + t['dotlessi'] = 0x0131; + t['dotlessj'] = 0xF6BE; + t['dotlessjstrokehook'] = 0x0284; + t['dotmath'] = 0x22C5; + t['dottedcircle'] = 0x25CC; + t['doubleyodpatah'] = 0xFB1F; + t['doubleyodpatahhebrew'] = 0xFB1F; + t['downtackbelowcmb'] = 0x031E; + t['downtackmod'] = 0x02D5; + t['dparen'] = 0x249F; + t['dsuperior'] = 0xF6EB; + t['dtail'] = 0x0256; + t['dtopbar'] = 0x018C; + t['duhiragana'] = 0x3065; + t['dukatakana'] = 0x30C5; + t['dz'] = 0x01F3; + t['dzaltone'] = 0x02A3; + t['dzcaron'] = 0x01C6; + t['dzcurl'] = 0x02A5; + t['dzeabkhasiancyrillic'] = 0x04E1; + t['dzecyrillic'] = 0x0455; + t['dzhecyrillic'] = 0x045F; + t['e'] = 0x0065; + t['eacute'] = 0x00E9; + t['earth'] = 0x2641; + t['ebengali'] = 0x098F; + t['ebopomofo'] = 0x311C; + t['ebreve'] = 0x0115; + t['ecandradeva'] = 0x090D; + t['ecandragujarati'] = 0x0A8D; + t['ecandravowelsigndeva'] = 0x0945; + t['ecandravowelsigngujarati'] = 0x0AC5; + t['ecaron'] = 0x011B; + t['ecedillabreve'] = 0x1E1D; + t['echarmenian'] = 0x0565; + t['echyiwnarmenian'] = 0x0587; + t['ecircle'] = 0x24D4; + t['ecircumflex'] = 0x00EA; + t['ecircumflexacute'] = 0x1EBF; + t['ecircumflexbelow'] = 0x1E19; + t['ecircumflexdotbelow'] = 0x1EC7; + t['ecircumflexgrave'] = 0x1EC1; + t['ecircumflexhookabove'] = 0x1EC3; + t['ecircumflextilde'] = 0x1EC5; + t['ecyrillic'] = 0x0454; + t['edblgrave'] = 0x0205; + t['edeva'] = 0x090F; + t['edieresis'] = 0x00EB; + t['edot'] = 0x0117; + t['edotaccent'] = 0x0117; + t['edotbelow'] = 0x1EB9; + t['eegurmukhi'] = 0x0A0F; + t['eematragurmukhi'] = 0x0A47; + t['efcyrillic'] = 0x0444; + t['egrave'] = 0x00E8; + t['egujarati'] = 0x0A8F; + t['eharmenian'] = 0x0567; + t['ehbopomofo'] = 0x311D; + t['ehiragana'] = 0x3048; + t['ehookabove'] = 0x1EBB; + t['eibopomofo'] = 0x311F; + t['eight'] = 0x0038; + t['eightarabic'] = 0x0668; + t['eightbengali'] = 0x09EE; + t['eightcircle'] = 0x2467; + t['eightcircleinversesansserif'] = 0x2791; + t['eightdeva'] = 0x096E; + t['eighteencircle'] = 0x2471; + t['eighteenparen'] = 0x2485; + t['eighteenperiod'] = 0x2499; + t['eightgujarati'] = 0x0AEE; + t['eightgurmukhi'] = 0x0A6E; + t['eighthackarabic'] = 0x0668; + t['eighthangzhou'] = 0x3028; + t['eighthnotebeamed'] = 0x266B; + t['eightideographicparen'] = 0x3227; + t['eightinferior'] = 0x2088; + t['eightmonospace'] = 0xFF18; + t['eightoldstyle'] = 0xF738; + t['eightparen'] = 0x247B; + t['eightperiod'] = 0x248F; + t['eightpersian'] = 0x06F8; + t['eightroman'] = 0x2177; + t['eightsuperior'] = 0x2078; + t['eightthai'] = 0x0E58; + t['einvertedbreve'] = 0x0207; + t['eiotifiedcyrillic'] = 0x0465; + t['ekatakana'] = 0x30A8; + t['ekatakanahalfwidth'] = 0xFF74; + t['ekonkargurmukhi'] = 0x0A74; + t['ekorean'] = 0x3154; + t['elcyrillic'] = 0x043B; + t['element'] = 0x2208; + t['elevencircle'] = 0x246A; + t['elevenparen'] = 0x247E; + t['elevenperiod'] = 0x2492; + t['elevenroman'] = 0x217A; + t['ellipsis'] = 0x2026; + t['ellipsisvertical'] = 0x22EE; + t['emacron'] = 0x0113; + t['emacronacute'] = 0x1E17; + t['emacrongrave'] = 0x1E15; + t['emcyrillic'] = 0x043C; + t['emdash'] = 0x2014; + t['emdashvertical'] = 0xFE31; + t['emonospace'] = 0xFF45; + t['emphasismarkarmenian'] = 0x055B; + t['emptyset'] = 0x2205; + t['enbopomofo'] = 0x3123; + t['encyrillic'] = 0x043D; + t['endash'] = 0x2013; + t['endashvertical'] = 0xFE32; + t['endescendercyrillic'] = 0x04A3; + t['eng'] = 0x014B; + t['engbopomofo'] = 0x3125; + t['enghecyrillic'] = 0x04A5; + t['enhookcyrillic'] = 0x04C8; + t['enspace'] = 0x2002; + t['eogonek'] = 0x0119; + t['eokorean'] = 0x3153; + t['eopen'] = 0x025B; + t['eopenclosed'] = 0x029A; + t['eopenreversed'] = 0x025C; + t['eopenreversedclosed'] = 0x025E; + t['eopenreversedhook'] = 0x025D; + t['eparen'] = 0x24A0; + t['epsilon'] = 0x03B5; + t['epsilontonos'] = 0x03AD; + t['equal'] = 0x003D; + t['equalmonospace'] = 0xFF1D; + t['equalsmall'] = 0xFE66; + t['equalsuperior'] = 0x207C; + t['equivalence'] = 0x2261; + t['erbopomofo'] = 0x3126; + t['ercyrillic'] = 0x0440; + t['ereversed'] = 0x0258; + t['ereversedcyrillic'] = 0x044D; + t['escyrillic'] = 0x0441; + t['esdescendercyrillic'] = 0x04AB; + t['esh'] = 0x0283; + t['eshcurl'] = 0x0286; + t['eshortdeva'] = 0x090E; + t['eshortvowelsigndeva'] = 0x0946; + t['eshreversedloop'] = 0x01AA; + t['eshsquatreversed'] = 0x0285; + t['esmallhiragana'] = 0x3047; + t['esmallkatakana'] = 0x30A7; + t['esmallkatakanahalfwidth'] = 0xFF6A; + t['estimated'] = 0x212E; + t['esuperior'] = 0xF6EC; + t['eta'] = 0x03B7; + t['etarmenian'] = 0x0568; + t['etatonos'] = 0x03AE; + t['eth'] = 0x00F0; + t['etilde'] = 0x1EBD; + t['etildebelow'] = 0x1E1B; + t['etnahtafoukhhebrew'] = 0x0591; + t['etnahtafoukhlefthebrew'] = 0x0591; + t['etnahtahebrew'] = 0x0591; + t['etnahtalefthebrew'] = 0x0591; + t['eturned'] = 0x01DD; + t['eukorean'] = 0x3161; + t['euro'] = 0x20AC; + t['evowelsignbengali'] = 0x09C7; + t['evowelsigndeva'] = 0x0947; + t['evowelsigngujarati'] = 0x0AC7; + t['exclam'] = 0x0021; + t['exclamarmenian'] = 0x055C; + t['exclamdbl'] = 0x203C; + t['exclamdown'] = 0x00A1; + t['exclamdownsmall'] = 0xF7A1; + t['exclammonospace'] = 0xFF01; + t['exclamsmall'] = 0xF721; + t['existential'] = 0x2203; + t['ezh'] = 0x0292; + t['ezhcaron'] = 0x01EF; + t['ezhcurl'] = 0x0293; + t['ezhreversed'] = 0x01B9; + t['ezhtail'] = 0x01BA; + t['f'] = 0x0066; + t['fadeva'] = 0x095E; + t['fagurmukhi'] = 0x0A5E; + t['fahrenheit'] = 0x2109; + t['fathaarabic'] = 0x064E; + t['fathalowarabic'] = 0x064E; + t['fathatanarabic'] = 0x064B; + t['fbopomofo'] = 0x3108; + t['fcircle'] = 0x24D5; + t['fdotaccent'] = 0x1E1F; + t['feharabic'] = 0x0641; + t['feharmenian'] = 0x0586; + t['fehfinalarabic'] = 0xFED2; + t['fehinitialarabic'] = 0xFED3; + t['fehmedialarabic'] = 0xFED4; + t['feicoptic'] = 0x03E5; + t['female'] = 0x2640; + t['ff'] = 0xFB00; + t['ffi'] = 0xFB03; + t['ffl'] = 0xFB04; + t['fi'] = 0xFB01; + t['fifteencircle'] = 0x246E; + t['fifteenparen'] = 0x2482; + t['fifteenperiod'] = 0x2496; + t['figuredash'] = 0x2012; + t['filledbox'] = 0x25A0; + t['filledrect'] = 0x25AC; + t['finalkaf'] = 0x05DA; + t['finalkafdagesh'] = 0xFB3A; + t['finalkafdageshhebrew'] = 0xFB3A; + t['finalkafhebrew'] = 0x05DA; + t['finalmem'] = 0x05DD; + t['finalmemhebrew'] = 0x05DD; + t['finalnun'] = 0x05DF; + t['finalnunhebrew'] = 0x05DF; + t['finalpe'] = 0x05E3; + t['finalpehebrew'] = 0x05E3; + t['finaltsadi'] = 0x05E5; + t['finaltsadihebrew'] = 0x05E5; + t['firsttonechinese'] = 0x02C9; + t['fisheye'] = 0x25C9; + t['fitacyrillic'] = 0x0473; + t['five'] = 0x0035; + t['fivearabic'] = 0x0665; + t['fivebengali'] = 0x09EB; + t['fivecircle'] = 0x2464; + t['fivecircleinversesansserif'] = 0x278E; + t['fivedeva'] = 0x096B; + t['fiveeighths'] = 0x215D; + t['fivegujarati'] = 0x0AEB; + t['fivegurmukhi'] = 0x0A6B; + t['fivehackarabic'] = 0x0665; + t['fivehangzhou'] = 0x3025; + t['fiveideographicparen'] = 0x3224; + t['fiveinferior'] = 0x2085; + t['fivemonospace'] = 0xFF15; + t['fiveoldstyle'] = 0xF735; + t['fiveparen'] = 0x2478; + t['fiveperiod'] = 0x248C; + t['fivepersian'] = 0x06F5; + t['fiveroman'] = 0x2174; + t['fivesuperior'] = 0x2075; + t['fivethai'] = 0x0E55; + t['fl'] = 0xFB02; + t['florin'] = 0x0192; + t['fmonospace'] = 0xFF46; + t['fmsquare'] = 0x3399; + t['fofanthai'] = 0x0E1F; + t['fofathai'] = 0x0E1D; + t['fongmanthai'] = 0x0E4F; + t['forall'] = 0x2200; + t['four'] = 0x0034; + t['fourarabic'] = 0x0664; + t['fourbengali'] = 0x09EA; + t['fourcircle'] = 0x2463; + t['fourcircleinversesansserif'] = 0x278D; + t['fourdeva'] = 0x096A; + t['fourgujarati'] = 0x0AEA; + t['fourgurmukhi'] = 0x0A6A; + t['fourhackarabic'] = 0x0664; + t['fourhangzhou'] = 0x3024; + t['fourideographicparen'] = 0x3223; + t['fourinferior'] = 0x2084; + t['fourmonospace'] = 0xFF14; + t['fournumeratorbengali'] = 0x09F7; + t['fouroldstyle'] = 0xF734; + t['fourparen'] = 0x2477; + t['fourperiod'] = 0x248B; + t['fourpersian'] = 0x06F4; + t['fourroman'] = 0x2173; + t['foursuperior'] = 0x2074; + t['fourteencircle'] = 0x246D; + t['fourteenparen'] = 0x2481; + t['fourteenperiod'] = 0x2495; + t['fourthai'] = 0x0E54; + t['fourthtonechinese'] = 0x02CB; + t['fparen'] = 0x24A1; + t['fraction'] = 0x2044; + t['franc'] = 0x20A3; + t['g'] = 0x0067; + t['gabengali'] = 0x0997; + t['gacute'] = 0x01F5; + t['gadeva'] = 0x0917; + t['gafarabic'] = 0x06AF; + t['gaffinalarabic'] = 0xFB93; + t['gafinitialarabic'] = 0xFB94; + t['gafmedialarabic'] = 0xFB95; + t['gagujarati'] = 0x0A97; + t['gagurmukhi'] = 0x0A17; + t['gahiragana'] = 0x304C; + t['gakatakana'] = 0x30AC; + t['gamma'] = 0x03B3; + t['gammalatinsmall'] = 0x0263; + t['gammasuperior'] = 0x02E0; + t['gangiacoptic'] = 0x03EB; + t['gbopomofo'] = 0x310D; + t['gbreve'] = 0x011F; + t['gcaron'] = 0x01E7; + t['gcedilla'] = 0x0123; + t['gcircle'] = 0x24D6; + t['gcircumflex'] = 0x011D; + t['gcommaaccent'] = 0x0123; + t['gdot'] = 0x0121; + t['gdotaccent'] = 0x0121; + t['gecyrillic'] = 0x0433; + t['gehiragana'] = 0x3052; + t['gekatakana'] = 0x30B2; + t['geometricallyequal'] = 0x2251; + t['gereshaccenthebrew'] = 0x059C; + t['gereshhebrew'] = 0x05F3; + t['gereshmuqdamhebrew'] = 0x059D; + t['germandbls'] = 0x00DF; + t['gershayimaccenthebrew'] = 0x059E; + t['gershayimhebrew'] = 0x05F4; + t['getamark'] = 0x3013; + t['ghabengali'] = 0x0998; + t['ghadarmenian'] = 0x0572; + t['ghadeva'] = 0x0918; + t['ghagujarati'] = 0x0A98; + t['ghagurmukhi'] = 0x0A18; + t['ghainarabic'] = 0x063A; + t['ghainfinalarabic'] = 0xFECE; + t['ghaininitialarabic'] = 0xFECF; + t['ghainmedialarabic'] = 0xFED0; + t['ghemiddlehookcyrillic'] = 0x0495; + t['ghestrokecyrillic'] = 0x0493; + t['gheupturncyrillic'] = 0x0491; + t['ghhadeva'] = 0x095A; + t['ghhagurmukhi'] = 0x0A5A; + t['ghook'] = 0x0260; + t['ghzsquare'] = 0x3393; + t['gihiragana'] = 0x304E; + t['gikatakana'] = 0x30AE; + t['gimarmenian'] = 0x0563; + t['gimel'] = 0x05D2; + t['gimeldagesh'] = 0xFB32; + t['gimeldageshhebrew'] = 0xFB32; + t['gimelhebrew'] = 0x05D2; + t['gjecyrillic'] = 0x0453; + t['glottalinvertedstroke'] = 0x01BE; + t['glottalstop'] = 0x0294; + t['glottalstopinverted'] = 0x0296; + t['glottalstopmod'] = 0x02C0; + t['glottalstopreversed'] = 0x0295; + t['glottalstopreversedmod'] = 0x02C1; + t['glottalstopreversedsuperior'] = 0x02E4; + t['glottalstopstroke'] = 0x02A1; + t['glottalstopstrokereversed'] = 0x02A2; + t['gmacron'] = 0x1E21; + t['gmonospace'] = 0xFF47; + t['gohiragana'] = 0x3054; + t['gokatakana'] = 0x30B4; + t['gparen'] = 0x24A2; + t['gpasquare'] = 0x33AC; + t['gradient'] = 0x2207; + t['grave'] = 0x0060; + t['gravebelowcmb'] = 0x0316; + t['gravecmb'] = 0x0300; + t['gravecomb'] = 0x0300; + t['gravedeva'] = 0x0953; + t['gravelowmod'] = 0x02CE; + t['gravemonospace'] = 0xFF40; + t['gravetonecmb'] = 0x0340; + t['greater'] = 0x003E; + t['greaterequal'] = 0x2265; + t['greaterequalorless'] = 0x22DB; + t['greatermonospace'] = 0xFF1E; + t['greaterorequivalent'] = 0x2273; + t['greaterorless'] = 0x2277; + t['greateroverequal'] = 0x2267; + t['greatersmall'] = 0xFE65; + t['gscript'] = 0x0261; + t['gstroke'] = 0x01E5; + t['guhiragana'] = 0x3050; + t['guillemotleft'] = 0x00AB; + t['guillemotright'] = 0x00BB; + t['guilsinglleft'] = 0x2039; + t['guilsinglright'] = 0x203A; + t['gukatakana'] = 0x30B0; + t['guramusquare'] = 0x3318; + t['gysquare'] = 0x33C9; + t['h'] = 0x0068; + t['haabkhasiancyrillic'] = 0x04A9; + t['haaltonearabic'] = 0x06C1; + t['habengali'] = 0x09B9; + t['hadescendercyrillic'] = 0x04B3; + t['hadeva'] = 0x0939; + t['hagujarati'] = 0x0AB9; + t['hagurmukhi'] = 0x0A39; + t['haharabic'] = 0x062D; + t['hahfinalarabic'] = 0xFEA2; + t['hahinitialarabic'] = 0xFEA3; + t['hahiragana'] = 0x306F; + t['hahmedialarabic'] = 0xFEA4; + t['haitusquare'] = 0x332A; + t['hakatakana'] = 0x30CF; + t['hakatakanahalfwidth'] = 0xFF8A; + t['halantgurmukhi'] = 0x0A4D; + t['hamzaarabic'] = 0x0621; + t['hamzalowarabic'] = 0x0621; + t['hangulfiller'] = 0x3164; + t['hardsigncyrillic'] = 0x044A; + t['harpoonleftbarbup'] = 0x21BC; + t['harpoonrightbarbup'] = 0x21C0; + t['hasquare'] = 0x33CA; + t['hatafpatah'] = 0x05B2; + t['hatafpatah16'] = 0x05B2; + t['hatafpatah23'] = 0x05B2; + t['hatafpatah2f'] = 0x05B2; + t['hatafpatahhebrew'] = 0x05B2; + t['hatafpatahnarrowhebrew'] = 0x05B2; + t['hatafpatahquarterhebrew'] = 0x05B2; + t['hatafpatahwidehebrew'] = 0x05B2; + t['hatafqamats'] = 0x05B3; + t['hatafqamats1b'] = 0x05B3; + t['hatafqamats28'] = 0x05B3; + t['hatafqamats34'] = 0x05B3; + t['hatafqamatshebrew'] = 0x05B3; + t['hatafqamatsnarrowhebrew'] = 0x05B3; + t['hatafqamatsquarterhebrew'] = 0x05B3; + t['hatafqamatswidehebrew'] = 0x05B3; + t['hatafsegol'] = 0x05B1; + t['hatafsegol17'] = 0x05B1; + t['hatafsegol24'] = 0x05B1; + t['hatafsegol30'] = 0x05B1; + t['hatafsegolhebrew'] = 0x05B1; + t['hatafsegolnarrowhebrew'] = 0x05B1; + t['hatafsegolquarterhebrew'] = 0x05B1; + t['hatafsegolwidehebrew'] = 0x05B1; + t['hbar'] = 0x0127; + t['hbopomofo'] = 0x310F; + t['hbrevebelow'] = 0x1E2B; + t['hcedilla'] = 0x1E29; + t['hcircle'] = 0x24D7; + t['hcircumflex'] = 0x0125; + t['hdieresis'] = 0x1E27; + t['hdotaccent'] = 0x1E23; + t['hdotbelow'] = 0x1E25; + t['he'] = 0x05D4; + t['heart'] = 0x2665; + t['heartsuitblack'] = 0x2665; + t['heartsuitwhite'] = 0x2661; + t['hedagesh'] = 0xFB34; + t['hedageshhebrew'] = 0xFB34; + t['hehaltonearabic'] = 0x06C1; + t['heharabic'] = 0x0647; + t['hehebrew'] = 0x05D4; + t['hehfinalaltonearabic'] = 0xFBA7; + t['hehfinalalttwoarabic'] = 0xFEEA; + t['hehfinalarabic'] = 0xFEEA; + t['hehhamzaabovefinalarabic'] = 0xFBA5; + t['hehhamzaaboveisolatedarabic'] = 0xFBA4; + t['hehinitialaltonearabic'] = 0xFBA8; + t['hehinitialarabic'] = 0xFEEB; + t['hehiragana'] = 0x3078; + t['hehmedialaltonearabic'] = 0xFBA9; + t['hehmedialarabic'] = 0xFEEC; + t['heiseierasquare'] = 0x337B; + t['hekatakana'] = 0x30D8; + t['hekatakanahalfwidth'] = 0xFF8D; + t['hekutaarusquare'] = 0x3336; + t['henghook'] = 0x0267; + t['herutusquare'] = 0x3339; + t['het'] = 0x05D7; + t['hethebrew'] = 0x05D7; + t['hhook'] = 0x0266; + t['hhooksuperior'] = 0x02B1; + t['hieuhacirclekorean'] = 0x327B; + t['hieuhaparenkorean'] = 0x321B; + t['hieuhcirclekorean'] = 0x326D; + t['hieuhkorean'] = 0x314E; + t['hieuhparenkorean'] = 0x320D; + t['hihiragana'] = 0x3072; + t['hikatakana'] = 0x30D2; + t['hikatakanahalfwidth'] = 0xFF8B; + t['hiriq'] = 0x05B4; + t['hiriq14'] = 0x05B4; + t['hiriq21'] = 0x05B4; + t['hiriq2d'] = 0x05B4; + t['hiriqhebrew'] = 0x05B4; + t['hiriqnarrowhebrew'] = 0x05B4; + t['hiriqquarterhebrew'] = 0x05B4; + t['hiriqwidehebrew'] = 0x05B4; + t['hlinebelow'] = 0x1E96; + t['hmonospace'] = 0xFF48; + t['hoarmenian'] = 0x0570; + t['hohipthai'] = 0x0E2B; + t['hohiragana'] = 0x307B; + t['hokatakana'] = 0x30DB; + t['hokatakanahalfwidth'] = 0xFF8E; + t['holam'] = 0x05B9; + t['holam19'] = 0x05B9; + t['holam26'] = 0x05B9; + t['holam32'] = 0x05B9; + t['holamhebrew'] = 0x05B9; + t['holamnarrowhebrew'] = 0x05B9; + t['holamquarterhebrew'] = 0x05B9; + t['holamwidehebrew'] = 0x05B9; + t['honokhukthai'] = 0x0E2E; + t['hookabovecomb'] = 0x0309; + t['hookcmb'] = 0x0309; + t['hookpalatalizedbelowcmb'] = 0x0321; + t['hookretroflexbelowcmb'] = 0x0322; + t['hoonsquare'] = 0x3342; + t['horicoptic'] = 0x03E9; + t['horizontalbar'] = 0x2015; + t['horncmb'] = 0x031B; + t['hotsprings'] = 0x2668; + t['house'] = 0x2302; + t['hparen'] = 0x24A3; + t['hsuperior'] = 0x02B0; + t['hturned'] = 0x0265; + t['huhiragana'] = 0x3075; + t['huiitosquare'] = 0x3333; + t['hukatakana'] = 0x30D5; + t['hukatakanahalfwidth'] = 0xFF8C; + t['hungarumlaut'] = 0x02DD; + t['hungarumlautcmb'] = 0x030B; + t['hv'] = 0x0195; + t['hyphen'] = 0x002D; + t['hypheninferior'] = 0xF6E5; + t['hyphenmonospace'] = 0xFF0D; + t['hyphensmall'] = 0xFE63; + t['hyphensuperior'] = 0xF6E6; + t['hyphentwo'] = 0x2010; + t['i'] = 0x0069; + t['iacute'] = 0x00ED; + t['iacyrillic'] = 0x044F; + t['ibengali'] = 0x0987; + t['ibopomofo'] = 0x3127; + t['ibreve'] = 0x012D; + t['icaron'] = 0x01D0; + t['icircle'] = 0x24D8; + t['icircumflex'] = 0x00EE; + t['icyrillic'] = 0x0456; + t['idblgrave'] = 0x0209; + t['ideographearthcircle'] = 0x328F; + t['ideographfirecircle'] = 0x328B; + t['ideographicallianceparen'] = 0x323F; + t['ideographiccallparen'] = 0x323A; + t['ideographiccentrecircle'] = 0x32A5; + t['ideographicclose'] = 0x3006; + t['ideographiccomma'] = 0x3001; + t['ideographiccommaleft'] = 0xFF64; + t['ideographiccongratulationparen'] = 0x3237; + t['ideographiccorrectcircle'] = 0x32A3; + t['ideographicearthparen'] = 0x322F; + t['ideographicenterpriseparen'] = 0x323D; + t['ideographicexcellentcircle'] = 0x329D; + t['ideographicfestivalparen'] = 0x3240; + t['ideographicfinancialcircle'] = 0x3296; + t['ideographicfinancialparen'] = 0x3236; + t['ideographicfireparen'] = 0x322B; + t['ideographichaveparen'] = 0x3232; + t['ideographichighcircle'] = 0x32A4; + t['ideographiciterationmark'] = 0x3005; + t['ideographiclaborcircle'] = 0x3298; + t['ideographiclaborparen'] = 0x3238; + t['ideographicleftcircle'] = 0x32A7; + t['ideographiclowcircle'] = 0x32A6; + t['ideographicmedicinecircle'] = 0x32A9; + t['ideographicmetalparen'] = 0x322E; + t['ideographicmoonparen'] = 0x322A; + t['ideographicnameparen'] = 0x3234; + t['ideographicperiod'] = 0x3002; + t['ideographicprintcircle'] = 0x329E; + t['ideographicreachparen'] = 0x3243; + t['ideographicrepresentparen'] = 0x3239; + t['ideographicresourceparen'] = 0x323E; + t['ideographicrightcircle'] = 0x32A8; + t['ideographicsecretcircle'] = 0x3299; + t['ideographicselfparen'] = 0x3242; + t['ideographicsocietyparen'] = 0x3233; + t['ideographicspace'] = 0x3000; + t['ideographicspecialparen'] = 0x3235; + t['ideographicstockparen'] = 0x3231; + t['ideographicstudyparen'] = 0x323B; + t['ideographicsunparen'] = 0x3230; + t['ideographicsuperviseparen'] = 0x323C; + t['ideographicwaterparen'] = 0x322C; + t['ideographicwoodparen'] = 0x322D; + t['ideographiczero'] = 0x3007; + t['ideographmetalcircle'] = 0x328E; + t['ideographmooncircle'] = 0x328A; + t['ideographnamecircle'] = 0x3294; + t['ideographsuncircle'] = 0x3290; + t['ideographwatercircle'] = 0x328C; + t['ideographwoodcircle'] = 0x328D; + t['ideva'] = 0x0907; + t['idieresis'] = 0x00EF; + t['idieresisacute'] = 0x1E2F; + t['idieresiscyrillic'] = 0x04E5; + t['idotbelow'] = 0x1ECB; + t['iebrevecyrillic'] = 0x04D7; + t['iecyrillic'] = 0x0435; + t['ieungacirclekorean'] = 0x3275; + t['ieungaparenkorean'] = 0x3215; + t['ieungcirclekorean'] = 0x3267; + t['ieungkorean'] = 0x3147; + t['ieungparenkorean'] = 0x3207; + t['igrave'] = 0x00EC; + t['igujarati'] = 0x0A87; + t['igurmukhi'] = 0x0A07; + t['ihiragana'] = 0x3044; + t['ihookabove'] = 0x1EC9; + t['iibengali'] = 0x0988; + t['iicyrillic'] = 0x0438; + t['iideva'] = 0x0908; + t['iigujarati'] = 0x0A88; + t['iigurmukhi'] = 0x0A08; + t['iimatragurmukhi'] = 0x0A40; + t['iinvertedbreve'] = 0x020B; + t['iishortcyrillic'] = 0x0439; + t['iivowelsignbengali'] = 0x09C0; + t['iivowelsigndeva'] = 0x0940; + t['iivowelsigngujarati'] = 0x0AC0; + t['ij'] = 0x0133; + t['ikatakana'] = 0x30A4; + t['ikatakanahalfwidth'] = 0xFF72; + t['ikorean'] = 0x3163; + t['ilde'] = 0x02DC; + t['iluyhebrew'] = 0x05AC; + t['imacron'] = 0x012B; + t['imacroncyrillic'] = 0x04E3; + t['imageorapproximatelyequal'] = 0x2253; + t['imatragurmukhi'] = 0x0A3F; + t['imonospace'] = 0xFF49; + t['increment'] = 0x2206; + t['infinity'] = 0x221E; + t['iniarmenian'] = 0x056B; + t['integral'] = 0x222B; + t['integralbottom'] = 0x2321; + t['integralbt'] = 0x2321; + t['integralex'] = 0xF8F5; + t['integraltop'] = 0x2320; + t['integraltp'] = 0x2320; + t['intersection'] = 0x2229; + t['intisquare'] = 0x3305; + t['invbullet'] = 0x25D8; + t['invcircle'] = 0x25D9; + t['invsmileface'] = 0x263B; + t['iocyrillic'] = 0x0451; + t['iogonek'] = 0x012F; + t['iota'] = 0x03B9; + t['iotadieresis'] = 0x03CA; + t['iotadieresistonos'] = 0x0390; + t['iotalatin'] = 0x0269; + t['iotatonos'] = 0x03AF; + t['iparen'] = 0x24A4; + t['irigurmukhi'] = 0x0A72; + t['ismallhiragana'] = 0x3043; + t['ismallkatakana'] = 0x30A3; + t['ismallkatakanahalfwidth'] = 0xFF68; + t['issharbengali'] = 0x09FA; + t['istroke'] = 0x0268; + t['isuperior'] = 0xF6ED; + t['iterationhiragana'] = 0x309D; + t['iterationkatakana'] = 0x30FD; + t['itilde'] = 0x0129; + t['itildebelow'] = 0x1E2D; + t['iubopomofo'] = 0x3129; + t['iucyrillic'] = 0x044E; + t['ivowelsignbengali'] = 0x09BF; + t['ivowelsigndeva'] = 0x093F; + t['ivowelsigngujarati'] = 0x0ABF; + t['izhitsacyrillic'] = 0x0475; + t['izhitsadblgravecyrillic'] = 0x0477; + t['j'] = 0x006A; + t['jaarmenian'] = 0x0571; + t['jabengali'] = 0x099C; + t['jadeva'] = 0x091C; + t['jagujarati'] = 0x0A9C; + t['jagurmukhi'] = 0x0A1C; + t['jbopomofo'] = 0x3110; + t['jcaron'] = 0x01F0; + t['jcircle'] = 0x24D9; + t['jcircumflex'] = 0x0135; + t['jcrossedtail'] = 0x029D; + t['jdotlessstroke'] = 0x025F; + t['jecyrillic'] = 0x0458; + t['jeemarabic'] = 0x062C; + t['jeemfinalarabic'] = 0xFE9E; + t['jeeminitialarabic'] = 0xFE9F; + t['jeemmedialarabic'] = 0xFEA0; + t['jeharabic'] = 0x0698; + t['jehfinalarabic'] = 0xFB8B; + t['jhabengali'] = 0x099D; + t['jhadeva'] = 0x091D; + t['jhagujarati'] = 0x0A9D; + t['jhagurmukhi'] = 0x0A1D; + t['jheharmenian'] = 0x057B; + t['jis'] = 0x3004; + t['jmonospace'] = 0xFF4A; + t['jparen'] = 0x24A5; + t['jsuperior'] = 0x02B2; + t['k'] = 0x006B; + t['kabashkircyrillic'] = 0x04A1; + t['kabengali'] = 0x0995; + t['kacute'] = 0x1E31; + t['kacyrillic'] = 0x043A; + t['kadescendercyrillic'] = 0x049B; + t['kadeva'] = 0x0915; + t['kaf'] = 0x05DB; + t['kafarabic'] = 0x0643; + t['kafdagesh'] = 0xFB3B; + t['kafdageshhebrew'] = 0xFB3B; + t['kaffinalarabic'] = 0xFEDA; + t['kafhebrew'] = 0x05DB; + t['kafinitialarabic'] = 0xFEDB; + t['kafmedialarabic'] = 0xFEDC; + t['kafrafehebrew'] = 0xFB4D; + t['kagujarati'] = 0x0A95; + t['kagurmukhi'] = 0x0A15; + t['kahiragana'] = 0x304B; + t['kahookcyrillic'] = 0x04C4; + t['kakatakana'] = 0x30AB; + t['kakatakanahalfwidth'] = 0xFF76; + t['kappa'] = 0x03BA; + t['kappasymbolgreek'] = 0x03F0; + t['kapyeounmieumkorean'] = 0x3171; + t['kapyeounphieuphkorean'] = 0x3184; + t['kapyeounpieupkorean'] = 0x3178; + t['kapyeounssangpieupkorean'] = 0x3179; + t['karoriisquare'] = 0x330D; + t['kashidaautoarabic'] = 0x0640; + t['kashidaautonosidebearingarabic'] = 0x0640; + t['kasmallkatakana'] = 0x30F5; + t['kasquare'] = 0x3384; + t['kasraarabic'] = 0x0650; + t['kasratanarabic'] = 0x064D; + t['kastrokecyrillic'] = 0x049F; + t['katahiraprolongmarkhalfwidth'] = 0xFF70; + t['kaverticalstrokecyrillic'] = 0x049D; + t['kbopomofo'] = 0x310E; + t['kcalsquare'] = 0x3389; + t['kcaron'] = 0x01E9; + t['kcedilla'] = 0x0137; + t['kcircle'] = 0x24DA; + t['kcommaaccent'] = 0x0137; + t['kdotbelow'] = 0x1E33; + t['keharmenian'] = 0x0584; + t['kehiragana'] = 0x3051; + t['kekatakana'] = 0x30B1; + t['kekatakanahalfwidth'] = 0xFF79; + t['kenarmenian'] = 0x056F; + t['kesmallkatakana'] = 0x30F6; + t['kgreenlandic'] = 0x0138; + t['khabengali'] = 0x0996; + t['khacyrillic'] = 0x0445; + t['khadeva'] = 0x0916; + t['khagujarati'] = 0x0A96; + t['khagurmukhi'] = 0x0A16; + t['khaharabic'] = 0x062E; + t['khahfinalarabic'] = 0xFEA6; + t['khahinitialarabic'] = 0xFEA7; + t['khahmedialarabic'] = 0xFEA8; + t['kheicoptic'] = 0x03E7; + t['khhadeva'] = 0x0959; + t['khhagurmukhi'] = 0x0A59; + t['khieukhacirclekorean'] = 0x3278; + t['khieukhaparenkorean'] = 0x3218; + t['khieukhcirclekorean'] = 0x326A; + t['khieukhkorean'] = 0x314B; + t['khieukhparenkorean'] = 0x320A; + t['khokhaithai'] = 0x0E02; + t['khokhonthai'] = 0x0E05; + t['khokhuatthai'] = 0x0E03; + t['khokhwaithai'] = 0x0E04; + t['khomutthai'] = 0x0E5B; + t['khook'] = 0x0199; + t['khorakhangthai'] = 0x0E06; + t['khzsquare'] = 0x3391; + t['kihiragana'] = 0x304D; + t['kikatakana'] = 0x30AD; + t['kikatakanahalfwidth'] = 0xFF77; + t['kiroguramusquare'] = 0x3315; + t['kiromeetorusquare'] = 0x3316; + t['kirosquare'] = 0x3314; + t['kiyeokacirclekorean'] = 0x326E; + t['kiyeokaparenkorean'] = 0x320E; + t['kiyeokcirclekorean'] = 0x3260; + t['kiyeokkorean'] = 0x3131; + t['kiyeokparenkorean'] = 0x3200; + t['kiyeoksioskorean'] = 0x3133; + t['kjecyrillic'] = 0x045C; + t['klinebelow'] = 0x1E35; + t['klsquare'] = 0x3398; + t['kmcubedsquare'] = 0x33A6; + t['kmonospace'] = 0xFF4B; + t['kmsquaredsquare'] = 0x33A2; + t['kohiragana'] = 0x3053; + t['kohmsquare'] = 0x33C0; + t['kokaithai'] = 0x0E01; + t['kokatakana'] = 0x30B3; + t['kokatakanahalfwidth'] = 0xFF7A; + t['kooposquare'] = 0x331E; + t['koppacyrillic'] = 0x0481; + t['koreanstandardsymbol'] = 0x327F; + t['koroniscmb'] = 0x0343; + t['kparen'] = 0x24A6; + t['kpasquare'] = 0x33AA; + t['ksicyrillic'] = 0x046F; + t['ktsquare'] = 0x33CF; + t['kturned'] = 0x029E; + t['kuhiragana'] = 0x304F; + t['kukatakana'] = 0x30AF; + t['kukatakanahalfwidth'] = 0xFF78; + t['kvsquare'] = 0x33B8; + t['kwsquare'] = 0x33BE; + t['l'] = 0x006C; + t['labengali'] = 0x09B2; + t['lacute'] = 0x013A; + t['ladeva'] = 0x0932; + t['lagujarati'] = 0x0AB2; + t['lagurmukhi'] = 0x0A32; + t['lakkhangyaothai'] = 0x0E45; + t['lamaleffinalarabic'] = 0xFEFC; + t['lamalefhamzaabovefinalarabic'] = 0xFEF8; + t['lamalefhamzaaboveisolatedarabic'] = 0xFEF7; + t['lamalefhamzabelowfinalarabic'] = 0xFEFA; + t['lamalefhamzabelowisolatedarabic'] = 0xFEF9; + t['lamalefisolatedarabic'] = 0xFEFB; + t['lamalefmaddaabovefinalarabic'] = 0xFEF6; + t['lamalefmaddaaboveisolatedarabic'] = 0xFEF5; + t['lamarabic'] = 0x0644; + t['lambda'] = 0x03BB; + t['lambdastroke'] = 0x019B; + t['lamed'] = 0x05DC; + t['lameddagesh'] = 0xFB3C; + t['lameddageshhebrew'] = 0xFB3C; + t['lamedhebrew'] = 0x05DC; + t['lamfinalarabic'] = 0xFEDE; + t['lamhahinitialarabic'] = 0xFCCA; + t['laminitialarabic'] = 0xFEDF; + t['lamjeeminitialarabic'] = 0xFCC9; + t['lamkhahinitialarabic'] = 0xFCCB; + t['lamlamhehisolatedarabic'] = 0xFDF2; + t['lammedialarabic'] = 0xFEE0; + t['lammeemhahinitialarabic'] = 0xFD88; + t['lammeeminitialarabic'] = 0xFCCC; + t['largecircle'] = 0x25EF; + t['lbar'] = 0x019A; + t['lbelt'] = 0x026C; + t['lbopomofo'] = 0x310C; + t['lcaron'] = 0x013E; + t['lcedilla'] = 0x013C; + t['lcircle'] = 0x24DB; + t['lcircumflexbelow'] = 0x1E3D; + t['lcommaaccent'] = 0x013C; + t['ldot'] = 0x0140; + t['ldotaccent'] = 0x0140; + t['ldotbelow'] = 0x1E37; + t['ldotbelowmacron'] = 0x1E39; + t['leftangleabovecmb'] = 0x031A; + t['lefttackbelowcmb'] = 0x0318; + t['less'] = 0x003C; + t['lessequal'] = 0x2264; + t['lessequalorgreater'] = 0x22DA; + t['lessmonospace'] = 0xFF1C; + t['lessorequivalent'] = 0x2272; + t['lessorgreater'] = 0x2276; + t['lessoverequal'] = 0x2266; + t['lesssmall'] = 0xFE64; + t['lezh'] = 0x026E; + t['lfblock'] = 0x258C; + t['lhookretroflex'] = 0x026D; + t['lira'] = 0x20A4; + t['liwnarmenian'] = 0x056C; + t['lj'] = 0x01C9; + t['ljecyrillic'] = 0x0459; + t['ll'] = 0xF6C0; + t['lladeva'] = 0x0933; + t['llagujarati'] = 0x0AB3; + t['llinebelow'] = 0x1E3B; + t['llladeva'] = 0x0934; + t['llvocalicbengali'] = 0x09E1; + t['llvocalicdeva'] = 0x0961; + t['llvocalicvowelsignbengali'] = 0x09E3; + t['llvocalicvowelsigndeva'] = 0x0963; + t['lmiddletilde'] = 0x026B; + t['lmonospace'] = 0xFF4C; + t['lmsquare'] = 0x33D0; + t['lochulathai'] = 0x0E2C; + t['logicaland'] = 0x2227; + t['logicalnot'] = 0x00AC; + t['logicalnotreversed'] = 0x2310; + t['logicalor'] = 0x2228; + t['lolingthai'] = 0x0E25; + t['longs'] = 0x017F; + t['lowlinecenterline'] = 0xFE4E; + t['lowlinecmb'] = 0x0332; + t['lowlinedashed'] = 0xFE4D; + t['lozenge'] = 0x25CA; + t['lparen'] = 0x24A7; + t['lslash'] = 0x0142; + t['lsquare'] = 0x2113; + t['lsuperior'] = 0xF6EE; + t['ltshade'] = 0x2591; + t['luthai'] = 0x0E26; + t['lvocalicbengali'] = 0x098C; + t['lvocalicdeva'] = 0x090C; + t['lvocalicvowelsignbengali'] = 0x09E2; + t['lvocalicvowelsigndeva'] = 0x0962; + t['lxsquare'] = 0x33D3; + t['m'] = 0x006D; + t['mabengali'] = 0x09AE; + t['macron'] = 0x00AF; + t['macronbelowcmb'] = 0x0331; + t['macroncmb'] = 0x0304; + t['macronlowmod'] = 0x02CD; + t['macronmonospace'] = 0xFFE3; + t['macute'] = 0x1E3F; + t['madeva'] = 0x092E; + t['magujarati'] = 0x0AAE; + t['magurmukhi'] = 0x0A2E; + t['mahapakhhebrew'] = 0x05A4; + t['mahapakhlefthebrew'] = 0x05A4; + t['mahiragana'] = 0x307E; + t['maichattawalowleftthai'] = 0xF895; + t['maichattawalowrightthai'] = 0xF894; + t['maichattawathai'] = 0x0E4B; + t['maichattawaupperleftthai'] = 0xF893; + t['maieklowleftthai'] = 0xF88C; + t['maieklowrightthai'] = 0xF88B; + t['maiekthai'] = 0x0E48; + t['maiekupperleftthai'] = 0xF88A; + t['maihanakatleftthai'] = 0xF884; + t['maihanakatthai'] = 0x0E31; + t['maitaikhuleftthai'] = 0xF889; + t['maitaikhuthai'] = 0x0E47; + t['maitholowleftthai'] = 0xF88F; + t['maitholowrightthai'] = 0xF88E; + t['maithothai'] = 0x0E49; + t['maithoupperleftthai'] = 0xF88D; + t['maitrilowleftthai'] = 0xF892; + t['maitrilowrightthai'] = 0xF891; + t['maitrithai'] = 0x0E4A; + t['maitriupperleftthai'] = 0xF890; + t['maiyamokthai'] = 0x0E46; + t['makatakana'] = 0x30DE; + t['makatakanahalfwidth'] = 0xFF8F; + t['male'] = 0x2642; + t['mansyonsquare'] = 0x3347; + t['maqafhebrew'] = 0x05BE; + t['mars'] = 0x2642; + t['masoracirclehebrew'] = 0x05AF; + t['masquare'] = 0x3383; + t['mbopomofo'] = 0x3107; + t['mbsquare'] = 0x33D4; + t['mcircle'] = 0x24DC; + t['mcubedsquare'] = 0x33A5; + t['mdotaccent'] = 0x1E41; + t['mdotbelow'] = 0x1E43; + t['meemarabic'] = 0x0645; + t['meemfinalarabic'] = 0xFEE2; + t['meeminitialarabic'] = 0xFEE3; + t['meemmedialarabic'] = 0xFEE4; + t['meemmeeminitialarabic'] = 0xFCD1; + t['meemmeemisolatedarabic'] = 0xFC48; + t['meetorusquare'] = 0x334D; + t['mehiragana'] = 0x3081; + t['meizierasquare'] = 0x337E; + t['mekatakana'] = 0x30E1; + t['mekatakanahalfwidth'] = 0xFF92; + t['mem'] = 0x05DE; + t['memdagesh'] = 0xFB3E; + t['memdageshhebrew'] = 0xFB3E; + t['memhebrew'] = 0x05DE; + t['menarmenian'] = 0x0574; + t['merkhahebrew'] = 0x05A5; + t['merkhakefulahebrew'] = 0x05A6; + t['merkhakefulalefthebrew'] = 0x05A6; + t['merkhalefthebrew'] = 0x05A5; + t['mhook'] = 0x0271; + t['mhzsquare'] = 0x3392; + t['middledotkatakanahalfwidth'] = 0xFF65; + t['middot'] = 0x00B7; + t['mieumacirclekorean'] = 0x3272; + t['mieumaparenkorean'] = 0x3212; + t['mieumcirclekorean'] = 0x3264; + t['mieumkorean'] = 0x3141; + t['mieumpansioskorean'] = 0x3170; + t['mieumparenkorean'] = 0x3204; + t['mieumpieupkorean'] = 0x316E; + t['mieumsioskorean'] = 0x316F; + t['mihiragana'] = 0x307F; + t['mikatakana'] = 0x30DF; + t['mikatakanahalfwidth'] = 0xFF90; + t['minus'] = 0x2212; + t['minusbelowcmb'] = 0x0320; + t['minuscircle'] = 0x2296; + t['minusmod'] = 0x02D7; + t['minusplus'] = 0x2213; + t['minute'] = 0x2032; + t['miribaarusquare'] = 0x334A; + t['mirisquare'] = 0x3349; + t['mlonglegturned'] = 0x0270; + t['mlsquare'] = 0x3396; + t['mmcubedsquare'] = 0x33A3; + t['mmonospace'] = 0xFF4D; + t['mmsquaredsquare'] = 0x339F; + t['mohiragana'] = 0x3082; + t['mohmsquare'] = 0x33C1; + t['mokatakana'] = 0x30E2; + t['mokatakanahalfwidth'] = 0xFF93; + t['molsquare'] = 0x33D6; + t['momathai'] = 0x0E21; + t['moverssquare'] = 0x33A7; + t['moverssquaredsquare'] = 0x33A8; + t['mparen'] = 0x24A8; + t['mpasquare'] = 0x33AB; + t['mssquare'] = 0x33B3; + t['msuperior'] = 0xF6EF; + t['mturned'] = 0x026F; + t['mu'] = 0x00B5; + t['mu1'] = 0x00B5; + t['muasquare'] = 0x3382; + t['muchgreater'] = 0x226B; + t['muchless'] = 0x226A; + t['mufsquare'] = 0x338C; + t['mugreek'] = 0x03BC; + t['mugsquare'] = 0x338D; + t['muhiragana'] = 0x3080; + t['mukatakana'] = 0x30E0; + t['mukatakanahalfwidth'] = 0xFF91; + t['mulsquare'] = 0x3395; + t['multiply'] = 0x00D7; + t['mumsquare'] = 0x339B; + t['munahhebrew'] = 0x05A3; + t['munahlefthebrew'] = 0x05A3; + t['musicalnote'] = 0x266A; + t['musicalnotedbl'] = 0x266B; + t['musicflatsign'] = 0x266D; + t['musicsharpsign'] = 0x266F; + t['mussquare'] = 0x33B2; + t['muvsquare'] = 0x33B6; + t['muwsquare'] = 0x33BC; + t['mvmegasquare'] = 0x33B9; + t['mvsquare'] = 0x33B7; + t['mwmegasquare'] = 0x33BF; + t['mwsquare'] = 0x33BD; + t['n'] = 0x006E; + t['nabengali'] = 0x09A8; + t['nabla'] = 0x2207; + t['nacute'] = 0x0144; + t['nadeva'] = 0x0928; + t['nagujarati'] = 0x0AA8; + t['nagurmukhi'] = 0x0A28; + t['nahiragana'] = 0x306A; + t['nakatakana'] = 0x30CA; + t['nakatakanahalfwidth'] = 0xFF85; + t['napostrophe'] = 0x0149; + t['nasquare'] = 0x3381; + t['nbopomofo'] = 0x310B; + t['nbspace'] = 0x00A0; + t['ncaron'] = 0x0148; + t['ncedilla'] = 0x0146; + t['ncircle'] = 0x24DD; + t['ncircumflexbelow'] = 0x1E4B; + t['ncommaaccent'] = 0x0146; + t['ndotaccent'] = 0x1E45; + t['ndotbelow'] = 0x1E47; + t['nehiragana'] = 0x306D; + t['nekatakana'] = 0x30CD; + t['nekatakanahalfwidth'] = 0xFF88; + t['newsheqelsign'] = 0x20AA; + t['nfsquare'] = 0x338B; + t['ngabengali'] = 0x0999; + t['ngadeva'] = 0x0919; + t['ngagujarati'] = 0x0A99; + t['ngagurmukhi'] = 0x0A19; + t['ngonguthai'] = 0x0E07; + t['nhiragana'] = 0x3093; + t['nhookleft'] = 0x0272; + t['nhookretroflex'] = 0x0273; + t['nieunacirclekorean'] = 0x326F; + t['nieunaparenkorean'] = 0x320F; + t['nieuncieuckorean'] = 0x3135; + t['nieuncirclekorean'] = 0x3261; + t['nieunhieuhkorean'] = 0x3136; + t['nieunkorean'] = 0x3134; + t['nieunpansioskorean'] = 0x3168; + t['nieunparenkorean'] = 0x3201; + t['nieunsioskorean'] = 0x3167; + t['nieuntikeutkorean'] = 0x3166; + t['nihiragana'] = 0x306B; + t['nikatakana'] = 0x30CB; + t['nikatakanahalfwidth'] = 0xFF86; + t['nikhahitleftthai'] = 0xF899; + t['nikhahitthai'] = 0x0E4D; + t['nine'] = 0x0039; + t['ninearabic'] = 0x0669; + t['ninebengali'] = 0x09EF; + t['ninecircle'] = 0x2468; + t['ninecircleinversesansserif'] = 0x2792; + t['ninedeva'] = 0x096F; + t['ninegujarati'] = 0x0AEF; + t['ninegurmukhi'] = 0x0A6F; + t['ninehackarabic'] = 0x0669; + t['ninehangzhou'] = 0x3029; + t['nineideographicparen'] = 0x3228; + t['nineinferior'] = 0x2089; + t['ninemonospace'] = 0xFF19; + t['nineoldstyle'] = 0xF739; + t['nineparen'] = 0x247C; + t['nineperiod'] = 0x2490; + t['ninepersian'] = 0x06F9; + t['nineroman'] = 0x2178; + t['ninesuperior'] = 0x2079; + t['nineteencircle'] = 0x2472; + t['nineteenparen'] = 0x2486; + t['nineteenperiod'] = 0x249A; + t['ninethai'] = 0x0E59; + t['nj'] = 0x01CC; + t['njecyrillic'] = 0x045A; + t['nkatakana'] = 0x30F3; + t['nkatakanahalfwidth'] = 0xFF9D; + t['nlegrightlong'] = 0x019E; + t['nlinebelow'] = 0x1E49; + t['nmonospace'] = 0xFF4E; + t['nmsquare'] = 0x339A; + t['nnabengali'] = 0x09A3; + t['nnadeva'] = 0x0923; + t['nnagujarati'] = 0x0AA3; + t['nnagurmukhi'] = 0x0A23; + t['nnnadeva'] = 0x0929; + t['nohiragana'] = 0x306E; + t['nokatakana'] = 0x30CE; + t['nokatakanahalfwidth'] = 0xFF89; + t['nonbreakingspace'] = 0x00A0; + t['nonenthai'] = 0x0E13; + t['nonuthai'] = 0x0E19; + t['noonarabic'] = 0x0646; + t['noonfinalarabic'] = 0xFEE6; + t['noonghunnaarabic'] = 0x06BA; + t['noonghunnafinalarabic'] = 0xFB9F; + t['nooninitialarabic'] = 0xFEE7; + t['noonjeeminitialarabic'] = 0xFCD2; + t['noonjeemisolatedarabic'] = 0xFC4B; + t['noonmedialarabic'] = 0xFEE8; + t['noonmeeminitialarabic'] = 0xFCD5; + t['noonmeemisolatedarabic'] = 0xFC4E; + t['noonnoonfinalarabic'] = 0xFC8D; + t['notcontains'] = 0x220C; + t['notelement'] = 0x2209; + t['notelementof'] = 0x2209; + t['notequal'] = 0x2260; + t['notgreater'] = 0x226F; + t['notgreaternorequal'] = 0x2271; + t['notgreaternorless'] = 0x2279; + t['notidentical'] = 0x2262; + t['notless'] = 0x226E; + t['notlessnorequal'] = 0x2270; + t['notparallel'] = 0x2226; + t['notprecedes'] = 0x2280; + t['notsubset'] = 0x2284; + t['notsucceeds'] = 0x2281; + t['notsuperset'] = 0x2285; + t['nowarmenian'] = 0x0576; + t['nparen'] = 0x24A9; + t['nssquare'] = 0x33B1; + t['nsuperior'] = 0x207F; + t['ntilde'] = 0x00F1; + t['nu'] = 0x03BD; + t['nuhiragana'] = 0x306C; + t['nukatakana'] = 0x30CC; + t['nukatakanahalfwidth'] = 0xFF87; + t['nuktabengali'] = 0x09BC; + t['nuktadeva'] = 0x093C; + t['nuktagujarati'] = 0x0ABC; + t['nuktagurmukhi'] = 0x0A3C; + t['numbersign'] = 0x0023; + t['numbersignmonospace'] = 0xFF03; + t['numbersignsmall'] = 0xFE5F; + t['numeralsigngreek'] = 0x0374; + t['numeralsignlowergreek'] = 0x0375; + t['numero'] = 0x2116; + t['nun'] = 0x05E0; + t['nundagesh'] = 0xFB40; + t['nundageshhebrew'] = 0xFB40; + t['nunhebrew'] = 0x05E0; + t['nvsquare'] = 0x33B5; + t['nwsquare'] = 0x33BB; + t['nyabengali'] = 0x099E; + t['nyadeva'] = 0x091E; + t['nyagujarati'] = 0x0A9E; + t['nyagurmukhi'] = 0x0A1E; + t['o'] = 0x006F; + t['oacute'] = 0x00F3; + t['oangthai'] = 0x0E2D; + t['obarred'] = 0x0275; + t['obarredcyrillic'] = 0x04E9; + t['obarreddieresiscyrillic'] = 0x04EB; + t['obengali'] = 0x0993; + t['obopomofo'] = 0x311B; + t['obreve'] = 0x014F; + t['ocandradeva'] = 0x0911; + t['ocandragujarati'] = 0x0A91; + t['ocandravowelsigndeva'] = 0x0949; + t['ocandravowelsigngujarati'] = 0x0AC9; + t['ocaron'] = 0x01D2; + t['ocircle'] = 0x24DE; + t['ocircumflex'] = 0x00F4; + t['ocircumflexacute'] = 0x1ED1; + t['ocircumflexdotbelow'] = 0x1ED9; + t['ocircumflexgrave'] = 0x1ED3; + t['ocircumflexhookabove'] = 0x1ED5; + t['ocircumflextilde'] = 0x1ED7; + t['ocyrillic'] = 0x043E; + t['odblacute'] = 0x0151; + t['odblgrave'] = 0x020D; + t['odeva'] = 0x0913; + t['odieresis'] = 0x00F6; + t['odieresiscyrillic'] = 0x04E7; + t['odotbelow'] = 0x1ECD; + t['oe'] = 0x0153; + t['oekorean'] = 0x315A; + t['ogonek'] = 0x02DB; + t['ogonekcmb'] = 0x0328; + t['ograve'] = 0x00F2; + t['ogujarati'] = 0x0A93; + t['oharmenian'] = 0x0585; + t['ohiragana'] = 0x304A; + t['ohookabove'] = 0x1ECF; + t['ohorn'] = 0x01A1; + t['ohornacute'] = 0x1EDB; + t['ohorndotbelow'] = 0x1EE3; + t['ohorngrave'] = 0x1EDD; + t['ohornhookabove'] = 0x1EDF; + t['ohorntilde'] = 0x1EE1; + t['ohungarumlaut'] = 0x0151; + t['oi'] = 0x01A3; + t['oinvertedbreve'] = 0x020F; + t['okatakana'] = 0x30AA; + t['okatakanahalfwidth'] = 0xFF75; + t['okorean'] = 0x3157; + t['olehebrew'] = 0x05AB; + t['omacron'] = 0x014D; + t['omacronacute'] = 0x1E53; + t['omacrongrave'] = 0x1E51; + t['omdeva'] = 0x0950; + t['omega'] = 0x03C9; + t['omega1'] = 0x03D6; + t['omegacyrillic'] = 0x0461; + t['omegalatinclosed'] = 0x0277; + t['omegaroundcyrillic'] = 0x047B; + t['omegatitlocyrillic'] = 0x047D; + t['omegatonos'] = 0x03CE; + t['omgujarati'] = 0x0AD0; + t['omicron'] = 0x03BF; + t['omicrontonos'] = 0x03CC; + t['omonospace'] = 0xFF4F; + t['one'] = 0x0031; + t['onearabic'] = 0x0661; + t['onebengali'] = 0x09E7; + t['onecircle'] = 0x2460; + t['onecircleinversesansserif'] = 0x278A; + t['onedeva'] = 0x0967; + t['onedotenleader'] = 0x2024; + t['oneeighth'] = 0x215B; + t['onefitted'] = 0xF6DC; + t['onegujarati'] = 0x0AE7; + t['onegurmukhi'] = 0x0A67; + t['onehackarabic'] = 0x0661; + t['onehalf'] = 0x00BD; + t['onehangzhou'] = 0x3021; + t['oneideographicparen'] = 0x3220; + t['oneinferior'] = 0x2081; + t['onemonospace'] = 0xFF11; + t['onenumeratorbengali'] = 0x09F4; + t['oneoldstyle'] = 0xF731; + t['oneparen'] = 0x2474; + t['oneperiod'] = 0x2488; + t['onepersian'] = 0x06F1; + t['onequarter'] = 0x00BC; + t['oneroman'] = 0x2170; + t['onesuperior'] = 0x00B9; + t['onethai'] = 0x0E51; + t['onethird'] = 0x2153; + t['oogonek'] = 0x01EB; + t['oogonekmacron'] = 0x01ED; + t['oogurmukhi'] = 0x0A13; + t['oomatragurmukhi'] = 0x0A4B; + t['oopen'] = 0x0254; + t['oparen'] = 0x24AA; + t['openbullet'] = 0x25E6; + t['option'] = 0x2325; + t['ordfeminine'] = 0x00AA; + t['ordmasculine'] = 0x00BA; + t['orthogonal'] = 0x221F; + t['oshortdeva'] = 0x0912; + t['oshortvowelsigndeva'] = 0x094A; + t['oslash'] = 0x00F8; + t['oslashacute'] = 0x01FF; + t['osmallhiragana'] = 0x3049; + t['osmallkatakana'] = 0x30A9; + t['osmallkatakanahalfwidth'] = 0xFF6B; + t['ostrokeacute'] = 0x01FF; + t['osuperior'] = 0xF6F0; + t['otcyrillic'] = 0x047F; + t['otilde'] = 0x00F5; + t['otildeacute'] = 0x1E4D; + t['otildedieresis'] = 0x1E4F; + t['oubopomofo'] = 0x3121; + t['overline'] = 0x203E; + t['overlinecenterline'] = 0xFE4A; + t['overlinecmb'] = 0x0305; + t['overlinedashed'] = 0xFE49; + t['overlinedblwavy'] = 0xFE4C; + t['overlinewavy'] = 0xFE4B; + t['overscore'] = 0x00AF; + t['ovowelsignbengali'] = 0x09CB; + t['ovowelsigndeva'] = 0x094B; + t['ovowelsigngujarati'] = 0x0ACB; + t['p'] = 0x0070; + t['paampssquare'] = 0x3380; + t['paasentosquare'] = 0x332B; + t['pabengali'] = 0x09AA; + t['pacute'] = 0x1E55; + t['padeva'] = 0x092A; + t['pagedown'] = 0x21DF; + t['pageup'] = 0x21DE; + t['pagujarati'] = 0x0AAA; + t['pagurmukhi'] = 0x0A2A; + t['pahiragana'] = 0x3071; + t['paiyannoithai'] = 0x0E2F; + t['pakatakana'] = 0x30D1; + t['palatalizationcyrilliccmb'] = 0x0484; + t['palochkacyrillic'] = 0x04C0; + t['pansioskorean'] = 0x317F; + t['paragraph'] = 0x00B6; + t['parallel'] = 0x2225; + t['parenleft'] = 0x0028; + t['parenleftaltonearabic'] = 0xFD3E; + t['parenleftbt'] = 0xF8ED; + t['parenleftex'] = 0xF8EC; + t['parenleftinferior'] = 0x208D; + t['parenleftmonospace'] = 0xFF08; + t['parenleftsmall'] = 0xFE59; + t['parenleftsuperior'] = 0x207D; + t['parenlefttp'] = 0xF8EB; + t['parenleftvertical'] = 0xFE35; + t['parenright'] = 0x0029; + t['parenrightaltonearabic'] = 0xFD3F; + t['parenrightbt'] = 0xF8F8; + t['parenrightex'] = 0xF8F7; + t['parenrightinferior'] = 0x208E; + t['parenrightmonospace'] = 0xFF09; + t['parenrightsmall'] = 0xFE5A; + t['parenrightsuperior'] = 0x207E; + t['parenrighttp'] = 0xF8F6; + t['parenrightvertical'] = 0xFE36; + t['partialdiff'] = 0x2202; + t['paseqhebrew'] = 0x05C0; + t['pashtahebrew'] = 0x0599; + t['pasquare'] = 0x33A9; + t['patah'] = 0x05B7; + t['patah11'] = 0x05B7; + t['patah1d'] = 0x05B7; + t['patah2a'] = 0x05B7; + t['patahhebrew'] = 0x05B7; + t['patahnarrowhebrew'] = 0x05B7; + t['patahquarterhebrew'] = 0x05B7; + t['patahwidehebrew'] = 0x05B7; + t['pazerhebrew'] = 0x05A1; + t['pbopomofo'] = 0x3106; + t['pcircle'] = 0x24DF; + t['pdotaccent'] = 0x1E57; + t['pe'] = 0x05E4; + t['pecyrillic'] = 0x043F; + t['pedagesh'] = 0xFB44; + t['pedageshhebrew'] = 0xFB44; + t['peezisquare'] = 0x333B; + t['pefinaldageshhebrew'] = 0xFB43; + t['peharabic'] = 0x067E; + t['peharmenian'] = 0x057A; + t['pehebrew'] = 0x05E4; + t['pehfinalarabic'] = 0xFB57; + t['pehinitialarabic'] = 0xFB58; + t['pehiragana'] = 0x307A; + t['pehmedialarabic'] = 0xFB59; + t['pekatakana'] = 0x30DA; + t['pemiddlehookcyrillic'] = 0x04A7; + t['perafehebrew'] = 0xFB4E; + t['percent'] = 0x0025; + t['percentarabic'] = 0x066A; + t['percentmonospace'] = 0xFF05; + t['percentsmall'] = 0xFE6A; + t['period'] = 0x002E; + t['periodarmenian'] = 0x0589; + t['periodcentered'] = 0x00B7; + t['periodhalfwidth'] = 0xFF61; + t['periodinferior'] = 0xF6E7; + t['periodmonospace'] = 0xFF0E; + t['periodsmall'] = 0xFE52; + t['periodsuperior'] = 0xF6E8; + t['perispomenigreekcmb'] = 0x0342; + t['perpendicular'] = 0x22A5; + t['perthousand'] = 0x2030; + t['peseta'] = 0x20A7; + t['pfsquare'] = 0x338A; + t['phabengali'] = 0x09AB; + t['phadeva'] = 0x092B; + t['phagujarati'] = 0x0AAB; + t['phagurmukhi'] = 0x0A2B; + t['phi'] = 0x03C6; + t['phi1'] = 0x03D5; + t['phieuphacirclekorean'] = 0x327A; + t['phieuphaparenkorean'] = 0x321A; + t['phieuphcirclekorean'] = 0x326C; + t['phieuphkorean'] = 0x314D; + t['phieuphparenkorean'] = 0x320C; + t['philatin'] = 0x0278; + t['phinthuthai'] = 0x0E3A; + t['phisymbolgreek'] = 0x03D5; + t['phook'] = 0x01A5; + t['phophanthai'] = 0x0E1E; + t['phophungthai'] = 0x0E1C; + t['phosamphaothai'] = 0x0E20; + t['pi'] = 0x03C0; + t['pieupacirclekorean'] = 0x3273; + t['pieupaparenkorean'] = 0x3213; + t['pieupcieuckorean'] = 0x3176; + t['pieupcirclekorean'] = 0x3265; + t['pieupkiyeokkorean'] = 0x3172; + t['pieupkorean'] = 0x3142; + t['pieupparenkorean'] = 0x3205; + t['pieupsioskiyeokkorean'] = 0x3174; + t['pieupsioskorean'] = 0x3144; + t['pieupsiostikeutkorean'] = 0x3175; + t['pieupthieuthkorean'] = 0x3177; + t['pieuptikeutkorean'] = 0x3173; + t['pihiragana'] = 0x3074; + t['pikatakana'] = 0x30D4; + t['pisymbolgreek'] = 0x03D6; + t['piwrarmenian'] = 0x0583; + t['plus'] = 0x002B; + t['plusbelowcmb'] = 0x031F; + t['pluscircle'] = 0x2295; + t['plusminus'] = 0x00B1; + t['plusmod'] = 0x02D6; + t['plusmonospace'] = 0xFF0B; + t['plussmall'] = 0xFE62; + t['plussuperior'] = 0x207A; + t['pmonospace'] = 0xFF50; + t['pmsquare'] = 0x33D8; + t['pohiragana'] = 0x307D; + t['pointingindexdownwhite'] = 0x261F; + t['pointingindexleftwhite'] = 0x261C; + t['pointingindexrightwhite'] = 0x261E; + t['pointingindexupwhite'] = 0x261D; + t['pokatakana'] = 0x30DD; + t['poplathai'] = 0x0E1B; + t['postalmark'] = 0x3012; + t['postalmarkface'] = 0x3020; + t['pparen'] = 0x24AB; + t['precedes'] = 0x227A; + t['prescription'] = 0x211E; + t['primemod'] = 0x02B9; + t['primereversed'] = 0x2035; + t['product'] = 0x220F; + t['projective'] = 0x2305; + t['prolongedkana'] = 0x30FC; + t['propellor'] = 0x2318; + t['propersubset'] = 0x2282; + t['propersuperset'] = 0x2283; + t['proportion'] = 0x2237; + t['proportional'] = 0x221D; + t['psi'] = 0x03C8; + t['psicyrillic'] = 0x0471; + t['psilipneumatacyrilliccmb'] = 0x0486; + t['pssquare'] = 0x33B0; + t['puhiragana'] = 0x3077; + t['pukatakana'] = 0x30D7; + t['pvsquare'] = 0x33B4; + t['pwsquare'] = 0x33BA; + t['q'] = 0x0071; + t['qadeva'] = 0x0958; + t['qadmahebrew'] = 0x05A8; + t['qafarabic'] = 0x0642; + t['qaffinalarabic'] = 0xFED6; + t['qafinitialarabic'] = 0xFED7; + t['qafmedialarabic'] = 0xFED8; + t['qamats'] = 0x05B8; + t['qamats10'] = 0x05B8; + t['qamats1a'] = 0x05B8; + t['qamats1c'] = 0x05B8; + t['qamats27'] = 0x05B8; + t['qamats29'] = 0x05B8; + t['qamats33'] = 0x05B8; + t['qamatsde'] = 0x05B8; + t['qamatshebrew'] = 0x05B8; + t['qamatsnarrowhebrew'] = 0x05B8; + t['qamatsqatanhebrew'] = 0x05B8; + t['qamatsqatannarrowhebrew'] = 0x05B8; + t['qamatsqatanquarterhebrew'] = 0x05B8; + t['qamatsqatanwidehebrew'] = 0x05B8; + t['qamatsquarterhebrew'] = 0x05B8; + t['qamatswidehebrew'] = 0x05B8; + t['qarneyparahebrew'] = 0x059F; + t['qbopomofo'] = 0x3111; + t['qcircle'] = 0x24E0; + t['qhook'] = 0x02A0; + t['qmonospace'] = 0xFF51; + t['qof'] = 0x05E7; + t['qofdagesh'] = 0xFB47; + t['qofdageshhebrew'] = 0xFB47; + t['qofhebrew'] = 0x05E7; + t['qparen'] = 0x24AC; + t['quarternote'] = 0x2669; + t['qubuts'] = 0x05BB; + t['qubuts18'] = 0x05BB; + t['qubuts25'] = 0x05BB; + t['qubuts31'] = 0x05BB; + t['qubutshebrew'] = 0x05BB; + t['qubutsnarrowhebrew'] = 0x05BB; + t['qubutsquarterhebrew'] = 0x05BB; + t['qubutswidehebrew'] = 0x05BB; + t['question'] = 0x003F; + t['questionarabic'] = 0x061F; + t['questionarmenian'] = 0x055E; + t['questiondown'] = 0x00BF; + t['questiondownsmall'] = 0xF7BF; + t['questiongreek'] = 0x037E; + t['questionmonospace'] = 0xFF1F; + t['questionsmall'] = 0xF73F; + t['quotedbl'] = 0x0022; + t['quotedblbase'] = 0x201E; + t['quotedblleft'] = 0x201C; + t['quotedblmonospace'] = 0xFF02; + t['quotedblprime'] = 0x301E; + t['quotedblprimereversed'] = 0x301D; + t['quotedblright'] = 0x201D; + t['quoteleft'] = 0x2018; + t['quoteleftreversed'] = 0x201B; + t['quotereversed'] = 0x201B; + t['quoteright'] = 0x2019; + t['quoterightn'] = 0x0149; + t['quotesinglbase'] = 0x201A; + t['quotesingle'] = 0x0027; + t['quotesinglemonospace'] = 0xFF07; + t['r'] = 0x0072; + t['raarmenian'] = 0x057C; + t['rabengali'] = 0x09B0; + t['racute'] = 0x0155; + t['radeva'] = 0x0930; + t['radical'] = 0x221A; + t['radicalex'] = 0xF8E5; + t['radoverssquare'] = 0x33AE; + t['radoverssquaredsquare'] = 0x33AF; + t['radsquare'] = 0x33AD; + t['rafe'] = 0x05BF; + t['rafehebrew'] = 0x05BF; + t['ragujarati'] = 0x0AB0; + t['ragurmukhi'] = 0x0A30; + t['rahiragana'] = 0x3089; + t['rakatakana'] = 0x30E9; + t['rakatakanahalfwidth'] = 0xFF97; + t['ralowerdiagonalbengali'] = 0x09F1; + t['ramiddlediagonalbengali'] = 0x09F0; + t['ramshorn'] = 0x0264; + t['ratio'] = 0x2236; + t['rbopomofo'] = 0x3116; + t['rcaron'] = 0x0159; + t['rcedilla'] = 0x0157; + t['rcircle'] = 0x24E1; + t['rcommaaccent'] = 0x0157; + t['rdblgrave'] = 0x0211; + t['rdotaccent'] = 0x1E59; + t['rdotbelow'] = 0x1E5B; + t['rdotbelowmacron'] = 0x1E5D; + t['referencemark'] = 0x203B; + t['reflexsubset'] = 0x2286; + t['reflexsuperset'] = 0x2287; + t['registered'] = 0x00AE; + t['registersans'] = 0xF8E8; + t['registerserif'] = 0xF6DA; + t['reharabic'] = 0x0631; + t['reharmenian'] = 0x0580; + t['rehfinalarabic'] = 0xFEAE; + t['rehiragana'] = 0x308C; + t['rekatakana'] = 0x30EC; + t['rekatakanahalfwidth'] = 0xFF9A; + t['resh'] = 0x05E8; + t['reshdageshhebrew'] = 0xFB48; + t['reshhebrew'] = 0x05E8; + t['reversedtilde'] = 0x223D; + t['reviahebrew'] = 0x0597; + t['reviamugrashhebrew'] = 0x0597; + t['revlogicalnot'] = 0x2310; + t['rfishhook'] = 0x027E; + t['rfishhookreversed'] = 0x027F; + t['rhabengali'] = 0x09DD; + t['rhadeva'] = 0x095D; + t['rho'] = 0x03C1; + t['rhook'] = 0x027D; + t['rhookturned'] = 0x027B; + t['rhookturnedsuperior'] = 0x02B5; + t['rhosymbolgreek'] = 0x03F1; + t['rhotichookmod'] = 0x02DE; + t['rieulacirclekorean'] = 0x3271; + t['rieulaparenkorean'] = 0x3211; + t['rieulcirclekorean'] = 0x3263; + t['rieulhieuhkorean'] = 0x3140; + t['rieulkiyeokkorean'] = 0x313A; + t['rieulkiyeoksioskorean'] = 0x3169; + t['rieulkorean'] = 0x3139; + t['rieulmieumkorean'] = 0x313B; + t['rieulpansioskorean'] = 0x316C; + t['rieulparenkorean'] = 0x3203; + t['rieulphieuphkorean'] = 0x313F; + t['rieulpieupkorean'] = 0x313C; + t['rieulpieupsioskorean'] = 0x316B; + t['rieulsioskorean'] = 0x313D; + t['rieulthieuthkorean'] = 0x313E; + t['rieultikeutkorean'] = 0x316A; + t['rieulyeorinhieuhkorean'] = 0x316D; + t['rightangle'] = 0x221F; + t['righttackbelowcmb'] = 0x0319; + t['righttriangle'] = 0x22BF; + t['rihiragana'] = 0x308A; + t['rikatakana'] = 0x30EA; + t['rikatakanahalfwidth'] = 0xFF98; + t['ring'] = 0x02DA; + t['ringbelowcmb'] = 0x0325; + t['ringcmb'] = 0x030A; + t['ringhalfleft'] = 0x02BF; + t['ringhalfleftarmenian'] = 0x0559; + t['ringhalfleftbelowcmb'] = 0x031C; + t['ringhalfleftcentered'] = 0x02D3; + t['ringhalfright'] = 0x02BE; + t['ringhalfrightbelowcmb'] = 0x0339; + t['ringhalfrightcentered'] = 0x02D2; + t['rinvertedbreve'] = 0x0213; + t['rittorusquare'] = 0x3351; + t['rlinebelow'] = 0x1E5F; + t['rlongleg'] = 0x027C; + t['rlonglegturned'] = 0x027A; + t['rmonospace'] = 0xFF52; + t['rohiragana'] = 0x308D; + t['rokatakana'] = 0x30ED; + t['rokatakanahalfwidth'] = 0xFF9B; + t['roruathai'] = 0x0E23; + t['rparen'] = 0x24AD; + t['rrabengali'] = 0x09DC; + t['rradeva'] = 0x0931; + t['rragurmukhi'] = 0x0A5C; + t['rreharabic'] = 0x0691; + t['rrehfinalarabic'] = 0xFB8D; + t['rrvocalicbengali'] = 0x09E0; + t['rrvocalicdeva'] = 0x0960; + t['rrvocalicgujarati'] = 0x0AE0; + t['rrvocalicvowelsignbengali'] = 0x09C4; + t['rrvocalicvowelsigndeva'] = 0x0944; + t['rrvocalicvowelsigngujarati'] = 0x0AC4; + t['rsuperior'] = 0xF6F1; + t['rtblock'] = 0x2590; + t['rturned'] = 0x0279; + t['rturnedsuperior'] = 0x02B4; + t['ruhiragana'] = 0x308B; + t['rukatakana'] = 0x30EB; + t['rukatakanahalfwidth'] = 0xFF99; + t['rupeemarkbengali'] = 0x09F2; + t['rupeesignbengali'] = 0x09F3; + t['rupiah'] = 0xF6DD; + t['ruthai'] = 0x0E24; + t['rvocalicbengali'] = 0x098B; + t['rvocalicdeva'] = 0x090B; + t['rvocalicgujarati'] = 0x0A8B; + t['rvocalicvowelsignbengali'] = 0x09C3; + t['rvocalicvowelsigndeva'] = 0x0943; + t['rvocalicvowelsigngujarati'] = 0x0AC3; + t['s'] = 0x0073; + t['sabengali'] = 0x09B8; + t['sacute'] = 0x015B; + t['sacutedotaccent'] = 0x1E65; + t['sadarabic'] = 0x0635; + t['sadeva'] = 0x0938; + t['sadfinalarabic'] = 0xFEBA; + t['sadinitialarabic'] = 0xFEBB; + t['sadmedialarabic'] = 0xFEBC; + t['sagujarati'] = 0x0AB8; + t['sagurmukhi'] = 0x0A38; + t['sahiragana'] = 0x3055; + t['sakatakana'] = 0x30B5; + t['sakatakanahalfwidth'] = 0xFF7B; + t['sallallahoualayhewasallamarabic'] = 0xFDFA; + t['samekh'] = 0x05E1; + t['samekhdagesh'] = 0xFB41; + t['samekhdageshhebrew'] = 0xFB41; + t['samekhhebrew'] = 0x05E1; + t['saraaathai'] = 0x0E32; + t['saraaethai'] = 0x0E41; + t['saraaimaimalaithai'] = 0x0E44; + t['saraaimaimuanthai'] = 0x0E43; + t['saraamthai'] = 0x0E33; + t['saraathai'] = 0x0E30; + t['saraethai'] = 0x0E40; + t['saraiileftthai'] = 0xF886; + t['saraiithai'] = 0x0E35; + t['saraileftthai'] = 0xF885; + t['saraithai'] = 0x0E34; + t['saraothai'] = 0x0E42; + t['saraueeleftthai'] = 0xF888; + t['saraueethai'] = 0x0E37; + t['saraueleftthai'] = 0xF887; + t['sarauethai'] = 0x0E36; + t['sarauthai'] = 0x0E38; + t['sarauuthai'] = 0x0E39; + t['sbopomofo'] = 0x3119; + t['scaron'] = 0x0161; + t['scarondotaccent'] = 0x1E67; + t['scedilla'] = 0x015F; + t['schwa'] = 0x0259; + t['schwacyrillic'] = 0x04D9; + t['schwadieresiscyrillic'] = 0x04DB; + t['schwahook'] = 0x025A; + t['scircle'] = 0x24E2; + t['scircumflex'] = 0x015D; + t['scommaaccent'] = 0x0219; + t['sdotaccent'] = 0x1E61; + t['sdotbelow'] = 0x1E63; + t['sdotbelowdotaccent'] = 0x1E69; + t['seagullbelowcmb'] = 0x033C; + t['second'] = 0x2033; + t['secondtonechinese'] = 0x02CA; + t['section'] = 0x00A7; + t['seenarabic'] = 0x0633; + t['seenfinalarabic'] = 0xFEB2; + t['seeninitialarabic'] = 0xFEB3; + t['seenmedialarabic'] = 0xFEB4; + t['segol'] = 0x05B6; + t['segol13'] = 0x05B6; + t['segol1f'] = 0x05B6; + t['segol2c'] = 0x05B6; + t['segolhebrew'] = 0x05B6; + t['segolnarrowhebrew'] = 0x05B6; + t['segolquarterhebrew'] = 0x05B6; + t['segoltahebrew'] = 0x0592; + t['segolwidehebrew'] = 0x05B6; + t['seharmenian'] = 0x057D; + t['sehiragana'] = 0x305B; + t['sekatakana'] = 0x30BB; + t['sekatakanahalfwidth'] = 0xFF7E; + t['semicolon'] = 0x003B; + t['semicolonarabic'] = 0x061B; + t['semicolonmonospace'] = 0xFF1B; + t['semicolonsmall'] = 0xFE54; + t['semivoicedmarkkana'] = 0x309C; + t['semivoicedmarkkanahalfwidth'] = 0xFF9F; + t['sentisquare'] = 0x3322; + t['sentosquare'] = 0x3323; + t['seven'] = 0x0037; + t['sevenarabic'] = 0x0667; + t['sevenbengali'] = 0x09ED; + t['sevencircle'] = 0x2466; + t['sevencircleinversesansserif'] = 0x2790; + t['sevendeva'] = 0x096D; + t['seveneighths'] = 0x215E; + t['sevengujarati'] = 0x0AED; + t['sevengurmukhi'] = 0x0A6D; + t['sevenhackarabic'] = 0x0667; + t['sevenhangzhou'] = 0x3027; + t['sevenideographicparen'] = 0x3226; + t['seveninferior'] = 0x2087; + t['sevenmonospace'] = 0xFF17; + t['sevenoldstyle'] = 0xF737; + t['sevenparen'] = 0x247A; + t['sevenperiod'] = 0x248E; + t['sevenpersian'] = 0x06F7; + t['sevenroman'] = 0x2176; + t['sevensuperior'] = 0x2077; + t['seventeencircle'] = 0x2470; + t['seventeenparen'] = 0x2484; + t['seventeenperiod'] = 0x2498; + t['seventhai'] = 0x0E57; + t['sfthyphen'] = 0x00AD; + t['shaarmenian'] = 0x0577; + t['shabengali'] = 0x09B6; + t['shacyrillic'] = 0x0448; + t['shaddaarabic'] = 0x0651; + t['shaddadammaarabic'] = 0xFC61; + t['shaddadammatanarabic'] = 0xFC5E; + t['shaddafathaarabic'] = 0xFC60; + t['shaddakasraarabic'] = 0xFC62; + t['shaddakasratanarabic'] = 0xFC5F; + t['shade'] = 0x2592; + t['shadedark'] = 0x2593; + t['shadelight'] = 0x2591; + t['shademedium'] = 0x2592; + t['shadeva'] = 0x0936; + t['shagujarati'] = 0x0AB6; + t['shagurmukhi'] = 0x0A36; + t['shalshelethebrew'] = 0x0593; + t['shbopomofo'] = 0x3115; + t['shchacyrillic'] = 0x0449; + t['sheenarabic'] = 0x0634; + t['sheenfinalarabic'] = 0xFEB6; + t['sheeninitialarabic'] = 0xFEB7; + t['sheenmedialarabic'] = 0xFEB8; + t['sheicoptic'] = 0x03E3; + t['sheqel'] = 0x20AA; + t['sheqelhebrew'] = 0x20AA; + t['sheva'] = 0x05B0; + t['sheva115'] = 0x05B0; + t['sheva15'] = 0x05B0; + t['sheva22'] = 0x05B0; + t['sheva2e'] = 0x05B0; + t['shevahebrew'] = 0x05B0; + t['shevanarrowhebrew'] = 0x05B0; + t['shevaquarterhebrew'] = 0x05B0; + t['shevawidehebrew'] = 0x05B0; + t['shhacyrillic'] = 0x04BB; + t['shimacoptic'] = 0x03ED; + t['shin'] = 0x05E9; + t['shindagesh'] = 0xFB49; + t['shindageshhebrew'] = 0xFB49; + t['shindageshshindot'] = 0xFB2C; + t['shindageshshindothebrew'] = 0xFB2C; + t['shindageshsindot'] = 0xFB2D; + t['shindageshsindothebrew'] = 0xFB2D; + t['shindothebrew'] = 0x05C1; + t['shinhebrew'] = 0x05E9; + t['shinshindot'] = 0xFB2A; + t['shinshindothebrew'] = 0xFB2A; + t['shinsindot'] = 0xFB2B; + t['shinsindothebrew'] = 0xFB2B; + t['shook'] = 0x0282; + t['sigma'] = 0x03C3; + t['sigma1'] = 0x03C2; + t['sigmafinal'] = 0x03C2; + t['sigmalunatesymbolgreek'] = 0x03F2; + t['sihiragana'] = 0x3057; + t['sikatakana'] = 0x30B7; + t['sikatakanahalfwidth'] = 0xFF7C; + t['siluqhebrew'] = 0x05BD; + t['siluqlefthebrew'] = 0x05BD; + t['similar'] = 0x223C; + t['sindothebrew'] = 0x05C2; + t['siosacirclekorean'] = 0x3274; + t['siosaparenkorean'] = 0x3214; + t['sioscieuckorean'] = 0x317E; + t['sioscirclekorean'] = 0x3266; + t['sioskiyeokkorean'] = 0x317A; + t['sioskorean'] = 0x3145; + t['siosnieunkorean'] = 0x317B; + t['siosparenkorean'] = 0x3206; + t['siospieupkorean'] = 0x317D; + t['siostikeutkorean'] = 0x317C; + t['six'] = 0x0036; + t['sixarabic'] = 0x0666; + t['sixbengali'] = 0x09EC; + t['sixcircle'] = 0x2465; + t['sixcircleinversesansserif'] = 0x278F; + t['sixdeva'] = 0x096C; + t['sixgujarati'] = 0x0AEC; + t['sixgurmukhi'] = 0x0A6C; + t['sixhackarabic'] = 0x0666; + t['sixhangzhou'] = 0x3026; + t['sixideographicparen'] = 0x3225; + t['sixinferior'] = 0x2086; + t['sixmonospace'] = 0xFF16; + t['sixoldstyle'] = 0xF736; + t['sixparen'] = 0x2479; + t['sixperiod'] = 0x248D; + t['sixpersian'] = 0x06F6; + t['sixroman'] = 0x2175; + t['sixsuperior'] = 0x2076; + t['sixteencircle'] = 0x246F; + t['sixteencurrencydenominatorbengali'] = 0x09F9; + t['sixteenparen'] = 0x2483; + t['sixteenperiod'] = 0x2497; + t['sixthai'] = 0x0E56; + t['slash'] = 0x002F; + t['slashmonospace'] = 0xFF0F; + t['slong'] = 0x017F; + t['slongdotaccent'] = 0x1E9B; + t['smileface'] = 0x263A; + t['smonospace'] = 0xFF53; + t['sofpasuqhebrew'] = 0x05C3; + t['softhyphen'] = 0x00AD; + t['softsigncyrillic'] = 0x044C; + t['sohiragana'] = 0x305D; + t['sokatakana'] = 0x30BD; + t['sokatakanahalfwidth'] = 0xFF7F; + t['soliduslongoverlaycmb'] = 0x0338; + t['solidusshortoverlaycmb'] = 0x0337; + t['sorusithai'] = 0x0E29; + t['sosalathai'] = 0x0E28; + t['sosothai'] = 0x0E0B; + t['sosuathai'] = 0x0E2A; + t['space'] = 0x0020; + t['spacehackarabic'] = 0x0020; + t['spade'] = 0x2660; + t['spadesuitblack'] = 0x2660; + t['spadesuitwhite'] = 0x2664; + t['sparen'] = 0x24AE; + t['squarebelowcmb'] = 0x033B; + t['squarecc'] = 0x33C4; + t['squarecm'] = 0x339D; + t['squarediagonalcrosshatchfill'] = 0x25A9; + t['squarehorizontalfill'] = 0x25A4; + t['squarekg'] = 0x338F; + t['squarekm'] = 0x339E; + t['squarekmcapital'] = 0x33CE; + t['squareln'] = 0x33D1; + t['squarelog'] = 0x33D2; + t['squaremg'] = 0x338E; + t['squaremil'] = 0x33D5; + t['squaremm'] = 0x339C; + t['squaremsquared'] = 0x33A1; + t['squareorthogonalcrosshatchfill'] = 0x25A6; + t['squareupperlefttolowerrightfill'] = 0x25A7; + t['squareupperrighttolowerleftfill'] = 0x25A8; + t['squareverticalfill'] = 0x25A5; + t['squarewhitewithsmallblack'] = 0x25A3; + t['srsquare'] = 0x33DB; + t['ssabengali'] = 0x09B7; + t['ssadeva'] = 0x0937; + t['ssagujarati'] = 0x0AB7; + t['ssangcieuckorean'] = 0x3149; + t['ssanghieuhkorean'] = 0x3185; + t['ssangieungkorean'] = 0x3180; + t['ssangkiyeokkorean'] = 0x3132; + t['ssangnieunkorean'] = 0x3165; + t['ssangpieupkorean'] = 0x3143; + t['ssangsioskorean'] = 0x3146; + t['ssangtikeutkorean'] = 0x3138; + t['ssuperior'] = 0xF6F2; + t['sterling'] = 0x00A3; + t['sterlingmonospace'] = 0xFFE1; + t['strokelongoverlaycmb'] = 0x0336; + t['strokeshortoverlaycmb'] = 0x0335; + t['subset'] = 0x2282; + t['subsetnotequal'] = 0x228A; + t['subsetorequal'] = 0x2286; + t['succeeds'] = 0x227B; + t['suchthat'] = 0x220B; + t['suhiragana'] = 0x3059; + t['sukatakana'] = 0x30B9; + t['sukatakanahalfwidth'] = 0xFF7D; + t['sukunarabic'] = 0x0652; + t['summation'] = 0x2211; + t['sun'] = 0x263C; + t['superset'] = 0x2283; + t['supersetnotequal'] = 0x228B; + t['supersetorequal'] = 0x2287; + t['svsquare'] = 0x33DC; + t['syouwaerasquare'] = 0x337C; + t['t'] = 0x0074; + t['tabengali'] = 0x09A4; + t['tackdown'] = 0x22A4; + t['tackleft'] = 0x22A3; + t['tadeva'] = 0x0924; + t['tagujarati'] = 0x0AA4; + t['tagurmukhi'] = 0x0A24; + t['taharabic'] = 0x0637; + t['tahfinalarabic'] = 0xFEC2; + t['tahinitialarabic'] = 0xFEC3; + t['tahiragana'] = 0x305F; + t['tahmedialarabic'] = 0xFEC4; + t['taisyouerasquare'] = 0x337D; + t['takatakana'] = 0x30BF; + t['takatakanahalfwidth'] = 0xFF80; + t['tatweelarabic'] = 0x0640; + t['tau'] = 0x03C4; + t['tav'] = 0x05EA; + t['tavdages'] = 0xFB4A; + t['tavdagesh'] = 0xFB4A; + t['tavdageshhebrew'] = 0xFB4A; + t['tavhebrew'] = 0x05EA; + t['tbar'] = 0x0167; + t['tbopomofo'] = 0x310A; + t['tcaron'] = 0x0165; + t['tccurl'] = 0x02A8; + t['tcedilla'] = 0x0163; + t['tcheharabic'] = 0x0686; + t['tchehfinalarabic'] = 0xFB7B; + t['tchehinitialarabic'] = 0xFB7C; + t['tchehmedialarabic'] = 0xFB7D; + t['tcircle'] = 0x24E3; + t['tcircumflexbelow'] = 0x1E71; + t['tcommaaccent'] = 0x0163; + t['tdieresis'] = 0x1E97; + t['tdotaccent'] = 0x1E6B; + t['tdotbelow'] = 0x1E6D; + t['tecyrillic'] = 0x0442; + t['tedescendercyrillic'] = 0x04AD; + t['teharabic'] = 0x062A; + t['tehfinalarabic'] = 0xFE96; + t['tehhahinitialarabic'] = 0xFCA2; + t['tehhahisolatedarabic'] = 0xFC0C; + t['tehinitialarabic'] = 0xFE97; + t['tehiragana'] = 0x3066; + t['tehjeeminitialarabic'] = 0xFCA1; + t['tehjeemisolatedarabic'] = 0xFC0B; + t['tehmarbutaarabic'] = 0x0629; + t['tehmarbutafinalarabic'] = 0xFE94; + t['tehmedialarabic'] = 0xFE98; + t['tehmeeminitialarabic'] = 0xFCA4; + t['tehmeemisolatedarabic'] = 0xFC0E; + t['tehnoonfinalarabic'] = 0xFC73; + t['tekatakana'] = 0x30C6; + t['tekatakanahalfwidth'] = 0xFF83; + t['telephone'] = 0x2121; + t['telephoneblack'] = 0x260E; + t['telishagedolahebrew'] = 0x05A0; + t['telishaqetanahebrew'] = 0x05A9; + t['tencircle'] = 0x2469; + t['tenideographicparen'] = 0x3229; + t['tenparen'] = 0x247D; + t['tenperiod'] = 0x2491; + t['tenroman'] = 0x2179; + t['tesh'] = 0x02A7; + t['tet'] = 0x05D8; + t['tetdagesh'] = 0xFB38; + t['tetdageshhebrew'] = 0xFB38; + t['tethebrew'] = 0x05D8; + t['tetsecyrillic'] = 0x04B5; + t['tevirhebrew'] = 0x059B; + t['tevirlefthebrew'] = 0x059B; + t['thabengali'] = 0x09A5; + t['thadeva'] = 0x0925; + t['thagujarati'] = 0x0AA5; + t['thagurmukhi'] = 0x0A25; + t['thalarabic'] = 0x0630; + t['thalfinalarabic'] = 0xFEAC; + t['thanthakhatlowleftthai'] = 0xF898; + t['thanthakhatlowrightthai'] = 0xF897; + t['thanthakhatthai'] = 0x0E4C; + t['thanthakhatupperleftthai'] = 0xF896; + t['theharabic'] = 0x062B; + t['thehfinalarabic'] = 0xFE9A; + t['thehinitialarabic'] = 0xFE9B; + t['thehmedialarabic'] = 0xFE9C; + t['thereexists'] = 0x2203; + t['therefore'] = 0x2234; + t['theta'] = 0x03B8; + t['theta1'] = 0x03D1; + t['thetasymbolgreek'] = 0x03D1; + t['thieuthacirclekorean'] = 0x3279; + t['thieuthaparenkorean'] = 0x3219; + t['thieuthcirclekorean'] = 0x326B; + t['thieuthkorean'] = 0x314C; + t['thieuthparenkorean'] = 0x320B; + t['thirteencircle'] = 0x246C; + t['thirteenparen'] = 0x2480; + t['thirteenperiod'] = 0x2494; + t['thonangmonthothai'] = 0x0E11; + t['thook'] = 0x01AD; + t['thophuthaothai'] = 0x0E12; + t['thorn'] = 0x00FE; + t['thothahanthai'] = 0x0E17; + t['thothanthai'] = 0x0E10; + t['thothongthai'] = 0x0E18; + t['thothungthai'] = 0x0E16; + t['thousandcyrillic'] = 0x0482; + t['thousandsseparatorarabic'] = 0x066C; + t['thousandsseparatorpersian'] = 0x066C; + t['three'] = 0x0033; + t['threearabic'] = 0x0663; + t['threebengali'] = 0x09E9; + t['threecircle'] = 0x2462; + t['threecircleinversesansserif'] = 0x278C; + t['threedeva'] = 0x0969; + t['threeeighths'] = 0x215C; + t['threegujarati'] = 0x0AE9; + t['threegurmukhi'] = 0x0A69; + t['threehackarabic'] = 0x0663; + t['threehangzhou'] = 0x3023; + t['threeideographicparen'] = 0x3222; + t['threeinferior'] = 0x2083; + t['threemonospace'] = 0xFF13; + t['threenumeratorbengali'] = 0x09F6; + t['threeoldstyle'] = 0xF733; + t['threeparen'] = 0x2476; + t['threeperiod'] = 0x248A; + t['threepersian'] = 0x06F3; + t['threequarters'] = 0x00BE; + t['threequartersemdash'] = 0xF6DE; + t['threeroman'] = 0x2172; + t['threesuperior'] = 0x00B3; + t['threethai'] = 0x0E53; + t['thzsquare'] = 0x3394; + t['tihiragana'] = 0x3061; + t['tikatakana'] = 0x30C1; + t['tikatakanahalfwidth'] = 0xFF81; + t['tikeutacirclekorean'] = 0x3270; + t['tikeutaparenkorean'] = 0x3210; + t['tikeutcirclekorean'] = 0x3262; + t['tikeutkorean'] = 0x3137; + t['tikeutparenkorean'] = 0x3202; + t['tilde'] = 0x02DC; + t['tildebelowcmb'] = 0x0330; + t['tildecmb'] = 0x0303; + t['tildecomb'] = 0x0303; + t['tildedoublecmb'] = 0x0360; + t['tildeoperator'] = 0x223C; + t['tildeoverlaycmb'] = 0x0334; + t['tildeverticalcmb'] = 0x033E; + t['timescircle'] = 0x2297; + t['tipehahebrew'] = 0x0596; + t['tipehalefthebrew'] = 0x0596; + t['tippigurmukhi'] = 0x0A70; + t['titlocyrilliccmb'] = 0x0483; + t['tiwnarmenian'] = 0x057F; + t['tlinebelow'] = 0x1E6F; + t['tmonospace'] = 0xFF54; + t['toarmenian'] = 0x0569; + t['tohiragana'] = 0x3068; + t['tokatakana'] = 0x30C8; + t['tokatakanahalfwidth'] = 0xFF84; + t['tonebarextrahighmod'] = 0x02E5; + t['tonebarextralowmod'] = 0x02E9; + t['tonebarhighmod'] = 0x02E6; + t['tonebarlowmod'] = 0x02E8; + t['tonebarmidmod'] = 0x02E7; + t['tonefive'] = 0x01BD; + t['tonesix'] = 0x0185; + t['tonetwo'] = 0x01A8; + t['tonos'] = 0x0384; + t['tonsquare'] = 0x3327; + t['topatakthai'] = 0x0E0F; + t['tortoiseshellbracketleft'] = 0x3014; + t['tortoiseshellbracketleftsmall'] = 0xFE5D; + t['tortoiseshellbracketleftvertical'] = 0xFE39; + t['tortoiseshellbracketright'] = 0x3015; + t['tortoiseshellbracketrightsmall'] = 0xFE5E; + t['tortoiseshellbracketrightvertical'] = 0xFE3A; + t['totaothai'] = 0x0E15; + t['tpalatalhook'] = 0x01AB; + t['tparen'] = 0x24AF; + t['trademark'] = 0x2122; + t['trademarksans'] = 0xF8EA; + t['trademarkserif'] = 0xF6DB; + t['tretroflexhook'] = 0x0288; + t['triagdn'] = 0x25BC; + t['triaglf'] = 0x25C4; + t['triagrt'] = 0x25BA; + t['triagup'] = 0x25B2; + t['ts'] = 0x02A6; + t['tsadi'] = 0x05E6; + t['tsadidagesh'] = 0xFB46; + t['tsadidageshhebrew'] = 0xFB46; + t['tsadihebrew'] = 0x05E6; + t['tsecyrillic'] = 0x0446; + t['tsere'] = 0x05B5; + t['tsere12'] = 0x05B5; + t['tsere1e'] = 0x05B5; + t['tsere2b'] = 0x05B5; + t['tserehebrew'] = 0x05B5; + t['tserenarrowhebrew'] = 0x05B5; + t['tserequarterhebrew'] = 0x05B5; + t['tserewidehebrew'] = 0x05B5; + t['tshecyrillic'] = 0x045B; + t['tsuperior'] = 0xF6F3; + t['ttabengali'] = 0x099F; + t['ttadeva'] = 0x091F; + t['ttagujarati'] = 0x0A9F; + t['ttagurmukhi'] = 0x0A1F; + t['tteharabic'] = 0x0679; + t['ttehfinalarabic'] = 0xFB67; + t['ttehinitialarabic'] = 0xFB68; + t['ttehmedialarabic'] = 0xFB69; + t['tthabengali'] = 0x09A0; + t['tthadeva'] = 0x0920; + t['tthagujarati'] = 0x0AA0; + t['tthagurmukhi'] = 0x0A20; + t['tturned'] = 0x0287; + t['tuhiragana'] = 0x3064; + t['tukatakana'] = 0x30C4; + t['tukatakanahalfwidth'] = 0xFF82; + t['tusmallhiragana'] = 0x3063; + t['tusmallkatakana'] = 0x30C3; + t['tusmallkatakanahalfwidth'] = 0xFF6F; + t['twelvecircle'] = 0x246B; + t['twelveparen'] = 0x247F; + t['twelveperiod'] = 0x2493; + t['twelveroman'] = 0x217B; + t['twentycircle'] = 0x2473; + t['twentyhangzhou'] = 0x5344; + t['twentyparen'] = 0x2487; + t['twentyperiod'] = 0x249B; + t['two'] = 0x0032; + t['twoarabic'] = 0x0662; + t['twobengali'] = 0x09E8; + t['twocircle'] = 0x2461; + t['twocircleinversesansserif'] = 0x278B; + t['twodeva'] = 0x0968; + t['twodotenleader'] = 0x2025; + t['twodotleader'] = 0x2025; + t['twodotleadervertical'] = 0xFE30; + t['twogujarati'] = 0x0AE8; + t['twogurmukhi'] = 0x0A68; + t['twohackarabic'] = 0x0662; + t['twohangzhou'] = 0x3022; + t['twoideographicparen'] = 0x3221; + t['twoinferior'] = 0x2082; + t['twomonospace'] = 0xFF12; + t['twonumeratorbengali'] = 0x09F5; + t['twooldstyle'] = 0xF732; + t['twoparen'] = 0x2475; + t['twoperiod'] = 0x2489; + t['twopersian'] = 0x06F2; + t['tworoman'] = 0x2171; + t['twostroke'] = 0x01BB; + t['twosuperior'] = 0x00B2; + t['twothai'] = 0x0E52; + t['twothirds'] = 0x2154; + t['u'] = 0x0075; + t['uacute'] = 0x00FA; + t['ubar'] = 0x0289; + t['ubengali'] = 0x0989; + t['ubopomofo'] = 0x3128; + t['ubreve'] = 0x016D; + t['ucaron'] = 0x01D4; + t['ucircle'] = 0x24E4; + t['ucircumflex'] = 0x00FB; + t['ucircumflexbelow'] = 0x1E77; + t['ucyrillic'] = 0x0443; + t['udattadeva'] = 0x0951; + t['udblacute'] = 0x0171; + t['udblgrave'] = 0x0215; + t['udeva'] = 0x0909; + t['udieresis'] = 0x00FC; + t['udieresisacute'] = 0x01D8; + t['udieresisbelow'] = 0x1E73; + t['udieresiscaron'] = 0x01DA; + t['udieresiscyrillic'] = 0x04F1; + t['udieresisgrave'] = 0x01DC; + t['udieresismacron'] = 0x01D6; + t['udotbelow'] = 0x1EE5; + t['ugrave'] = 0x00F9; + t['ugujarati'] = 0x0A89; + t['ugurmukhi'] = 0x0A09; + t['uhiragana'] = 0x3046; + t['uhookabove'] = 0x1EE7; + t['uhorn'] = 0x01B0; + t['uhornacute'] = 0x1EE9; + t['uhorndotbelow'] = 0x1EF1; + t['uhorngrave'] = 0x1EEB; + t['uhornhookabove'] = 0x1EED; + t['uhorntilde'] = 0x1EEF; + t['uhungarumlaut'] = 0x0171; + t['uhungarumlautcyrillic'] = 0x04F3; + t['uinvertedbreve'] = 0x0217; + t['ukatakana'] = 0x30A6; + t['ukatakanahalfwidth'] = 0xFF73; + t['ukcyrillic'] = 0x0479; + t['ukorean'] = 0x315C; + t['umacron'] = 0x016B; + t['umacroncyrillic'] = 0x04EF; + t['umacrondieresis'] = 0x1E7B; + t['umatragurmukhi'] = 0x0A41; + t['umonospace'] = 0xFF55; + t['underscore'] = 0x005F; + t['underscoredbl'] = 0x2017; + t['underscoremonospace'] = 0xFF3F; + t['underscorevertical'] = 0xFE33; + t['underscorewavy'] = 0xFE4F; + t['union'] = 0x222A; + t['universal'] = 0x2200; + t['uogonek'] = 0x0173; + t['uparen'] = 0x24B0; + t['upblock'] = 0x2580; + t['upperdothebrew'] = 0x05C4; + t['upsilon'] = 0x03C5; + t['upsilondieresis'] = 0x03CB; + t['upsilondieresistonos'] = 0x03B0; + t['upsilonlatin'] = 0x028A; + t['upsilontonos'] = 0x03CD; + t['uptackbelowcmb'] = 0x031D; + t['uptackmod'] = 0x02D4; + t['uragurmukhi'] = 0x0A73; + t['uring'] = 0x016F; + t['ushortcyrillic'] = 0x045E; + t['usmallhiragana'] = 0x3045; + t['usmallkatakana'] = 0x30A5; + t['usmallkatakanahalfwidth'] = 0xFF69; + t['ustraightcyrillic'] = 0x04AF; + t['ustraightstrokecyrillic'] = 0x04B1; + t['utilde'] = 0x0169; + t['utildeacute'] = 0x1E79; + t['utildebelow'] = 0x1E75; + t['uubengali'] = 0x098A; + t['uudeva'] = 0x090A; + t['uugujarati'] = 0x0A8A; + t['uugurmukhi'] = 0x0A0A; + t['uumatragurmukhi'] = 0x0A42; + t['uuvowelsignbengali'] = 0x09C2; + t['uuvowelsigndeva'] = 0x0942; + t['uuvowelsigngujarati'] = 0x0AC2; + t['uvowelsignbengali'] = 0x09C1; + t['uvowelsigndeva'] = 0x0941; + t['uvowelsigngujarati'] = 0x0AC1; + t['v'] = 0x0076; + t['vadeva'] = 0x0935; + t['vagujarati'] = 0x0AB5; + t['vagurmukhi'] = 0x0A35; + t['vakatakana'] = 0x30F7; + t['vav'] = 0x05D5; + t['vavdagesh'] = 0xFB35; + t['vavdagesh65'] = 0xFB35; + t['vavdageshhebrew'] = 0xFB35; + t['vavhebrew'] = 0x05D5; + t['vavholam'] = 0xFB4B; + t['vavholamhebrew'] = 0xFB4B; + t['vavvavhebrew'] = 0x05F0; + t['vavyodhebrew'] = 0x05F1; + t['vcircle'] = 0x24E5; + t['vdotbelow'] = 0x1E7F; + t['vecyrillic'] = 0x0432; + t['veharabic'] = 0x06A4; + t['vehfinalarabic'] = 0xFB6B; + t['vehinitialarabic'] = 0xFB6C; + t['vehmedialarabic'] = 0xFB6D; + t['vekatakana'] = 0x30F9; + t['venus'] = 0x2640; + t['verticalbar'] = 0x007C; + t['verticallineabovecmb'] = 0x030D; + t['verticallinebelowcmb'] = 0x0329; + t['verticallinelowmod'] = 0x02CC; + t['verticallinemod'] = 0x02C8; + t['vewarmenian'] = 0x057E; + t['vhook'] = 0x028B; + t['vikatakana'] = 0x30F8; + t['viramabengali'] = 0x09CD; + t['viramadeva'] = 0x094D; + t['viramagujarati'] = 0x0ACD; + t['visargabengali'] = 0x0983; + t['visargadeva'] = 0x0903; + t['visargagujarati'] = 0x0A83; + t['vmonospace'] = 0xFF56; + t['voarmenian'] = 0x0578; + t['voicediterationhiragana'] = 0x309E; + t['voicediterationkatakana'] = 0x30FE; + t['voicedmarkkana'] = 0x309B; + t['voicedmarkkanahalfwidth'] = 0xFF9E; + t['vokatakana'] = 0x30FA; + t['vparen'] = 0x24B1; + t['vtilde'] = 0x1E7D; + t['vturned'] = 0x028C; + t['vuhiragana'] = 0x3094; + t['vukatakana'] = 0x30F4; + t['w'] = 0x0077; + t['wacute'] = 0x1E83; + t['waekorean'] = 0x3159; + t['wahiragana'] = 0x308F; + t['wakatakana'] = 0x30EF; + t['wakatakanahalfwidth'] = 0xFF9C; + t['wakorean'] = 0x3158; + t['wasmallhiragana'] = 0x308E; + t['wasmallkatakana'] = 0x30EE; + t['wattosquare'] = 0x3357; + t['wavedash'] = 0x301C; + t['wavyunderscorevertical'] = 0xFE34; + t['wawarabic'] = 0x0648; + t['wawfinalarabic'] = 0xFEEE; + t['wawhamzaabovearabic'] = 0x0624; + t['wawhamzaabovefinalarabic'] = 0xFE86; + t['wbsquare'] = 0x33DD; + t['wcircle'] = 0x24E6; + t['wcircumflex'] = 0x0175; + t['wdieresis'] = 0x1E85; + t['wdotaccent'] = 0x1E87; + t['wdotbelow'] = 0x1E89; + t['wehiragana'] = 0x3091; + t['weierstrass'] = 0x2118; + t['wekatakana'] = 0x30F1; + t['wekorean'] = 0x315E; + t['weokorean'] = 0x315D; + t['wgrave'] = 0x1E81; + t['whitebullet'] = 0x25E6; + t['whitecircle'] = 0x25CB; + t['whitecircleinverse'] = 0x25D9; + t['whitecornerbracketleft'] = 0x300E; + t['whitecornerbracketleftvertical'] = 0xFE43; + t['whitecornerbracketright'] = 0x300F; + t['whitecornerbracketrightvertical'] = 0xFE44; + t['whitediamond'] = 0x25C7; + t['whitediamondcontainingblacksmalldiamond'] = 0x25C8; + t['whitedownpointingsmalltriangle'] = 0x25BF; + t['whitedownpointingtriangle'] = 0x25BD; + t['whiteleftpointingsmalltriangle'] = 0x25C3; + t['whiteleftpointingtriangle'] = 0x25C1; + t['whitelenticularbracketleft'] = 0x3016; + t['whitelenticularbracketright'] = 0x3017; + t['whiterightpointingsmalltriangle'] = 0x25B9; + t['whiterightpointingtriangle'] = 0x25B7; + t['whitesmallsquare'] = 0x25AB; + t['whitesmilingface'] = 0x263A; + t['whitesquare'] = 0x25A1; + t['whitestar'] = 0x2606; + t['whitetelephone'] = 0x260F; + t['whitetortoiseshellbracketleft'] = 0x3018; + t['whitetortoiseshellbracketright'] = 0x3019; + t['whiteuppointingsmalltriangle'] = 0x25B5; + t['whiteuppointingtriangle'] = 0x25B3; + t['wihiragana'] = 0x3090; + t['wikatakana'] = 0x30F0; + t['wikorean'] = 0x315F; + t['wmonospace'] = 0xFF57; + t['wohiragana'] = 0x3092; + t['wokatakana'] = 0x30F2; + t['wokatakanahalfwidth'] = 0xFF66; + t['won'] = 0x20A9; + t['wonmonospace'] = 0xFFE6; + t['wowaenthai'] = 0x0E27; + t['wparen'] = 0x24B2; + t['wring'] = 0x1E98; + t['wsuperior'] = 0x02B7; + t['wturned'] = 0x028D; + t['wynn'] = 0x01BF; + t['x'] = 0x0078; + t['xabovecmb'] = 0x033D; + t['xbopomofo'] = 0x3112; + t['xcircle'] = 0x24E7; + t['xdieresis'] = 0x1E8D; + t['xdotaccent'] = 0x1E8B; + t['xeharmenian'] = 0x056D; + t['xi'] = 0x03BE; + t['xmonospace'] = 0xFF58; + t['xparen'] = 0x24B3; + t['xsuperior'] = 0x02E3; + t['y'] = 0x0079; + t['yaadosquare'] = 0x334E; + t['yabengali'] = 0x09AF; + t['yacute'] = 0x00FD; + t['yadeva'] = 0x092F; + t['yaekorean'] = 0x3152; + t['yagujarati'] = 0x0AAF; + t['yagurmukhi'] = 0x0A2F; + t['yahiragana'] = 0x3084; + t['yakatakana'] = 0x30E4; + t['yakatakanahalfwidth'] = 0xFF94; + t['yakorean'] = 0x3151; + t['yamakkanthai'] = 0x0E4E; + t['yasmallhiragana'] = 0x3083; + t['yasmallkatakana'] = 0x30E3; + t['yasmallkatakanahalfwidth'] = 0xFF6C; + t['yatcyrillic'] = 0x0463; + t['ycircle'] = 0x24E8; + t['ycircumflex'] = 0x0177; + t['ydieresis'] = 0x00FF; + t['ydotaccent'] = 0x1E8F; + t['ydotbelow'] = 0x1EF5; + t['yeharabic'] = 0x064A; + t['yehbarreearabic'] = 0x06D2; + t['yehbarreefinalarabic'] = 0xFBAF; + t['yehfinalarabic'] = 0xFEF2; + t['yehhamzaabovearabic'] = 0x0626; + t['yehhamzaabovefinalarabic'] = 0xFE8A; + t['yehhamzaaboveinitialarabic'] = 0xFE8B; + t['yehhamzaabovemedialarabic'] = 0xFE8C; + t['yehinitialarabic'] = 0xFEF3; + t['yehmedialarabic'] = 0xFEF4; + t['yehmeeminitialarabic'] = 0xFCDD; + t['yehmeemisolatedarabic'] = 0xFC58; + t['yehnoonfinalarabic'] = 0xFC94; + t['yehthreedotsbelowarabic'] = 0x06D1; + t['yekorean'] = 0x3156; + t['yen'] = 0x00A5; + t['yenmonospace'] = 0xFFE5; + t['yeokorean'] = 0x3155; + t['yeorinhieuhkorean'] = 0x3186; + t['yerahbenyomohebrew'] = 0x05AA; + t['yerahbenyomolefthebrew'] = 0x05AA; + t['yericyrillic'] = 0x044B; + t['yerudieresiscyrillic'] = 0x04F9; + t['yesieungkorean'] = 0x3181; + t['yesieungpansioskorean'] = 0x3183; + t['yesieungsioskorean'] = 0x3182; + t['yetivhebrew'] = 0x059A; + t['ygrave'] = 0x1EF3; + t['yhook'] = 0x01B4; + t['yhookabove'] = 0x1EF7; + t['yiarmenian'] = 0x0575; + t['yicyrillic'] = 0x0457; + t['yikorean'] = 0x3162; + t['yinyang'] = 0x262F; + t['yiwnarmenian'] = 0x0582; + t['ymonospace'] = 0xFF59; + t['yod'] = 0x05D9; + t['yoddagesh'] = 0xFB39; + t['yoddageshhebrew'] = 0xFB39; + t['yodhebrew'] = 0x05D9; + t['yodyodhebrew'] = 0x05F2; + t['yodyodpatahhebrew'] = 0xFB1F; + t['yohiragana'] = 0x3088; + t['yoikorean'] = 0x3189; + t['yokatakana'] = 0x30E8; + t['yokatakanahalfwidth'] = 0xFF96; + t['yokorean'] = 0x315B; + t['yosmallhiragana'] = 0x3087; + t['yosmallkatakana'] = 0x30E7; + t['yosmallkatakanahalfwidth'] = 0xFF6E; + t['yotgreek'] = 0x03F3; + t['yoyaekorean'] = 0x3188; + t['yoyakorean'] = 0x3187; + t['yoyakthai'] = 0x0E22; + t['yoyingthai'] = 0x0E0D; + t['yparen'] = 0x24B4; + t['ypogegrammeni'] = 0x037A; + t['ypogegrammenigreekcmb'] = 0x0345; + t['yr'] = 0x01A6; + t['yring'] = 0x1E99; + t['ysuperior'] = 0x02B8; + t['ytilde'] = 0x1EF9; + t['yturned'] = 0x028E; + t['yuhiragana'] = 0x3086; + t['yuikorean'] = 0x318C; + t['yukatakana'] = 0x30E6; + t['yukatakanahalfwidth'] = 0xFF95; + t['yukorean'] = 0x3160; + t['yusbigcyrillic'] = 0x046B; + t['yusbigiotifiedcyrillic'] = 0x046D; + t['yuslittlecyrillic'] = 0x0467; + t['yuslittleiotifiedcyrillic'] = 0x0469; + t['yusmallhiragana'] = 0x3085; + t['yusmallkatakana'] = 0x30E5; + t['yusmallkatakanahalfwidth'] = 0xFF6D; + t['yuyekorean'] = 0x318B; + t['yuyeokorean'] = 0x318A; + t['yyabengali'] = 0x09DF; + t['yyadeva'] = 0x095F; + t['z'] = 0x007A; + t['zaarmenian'] = 0x0566; + t['zacute'] = 0x017A; + t['zadeva'] = 0x095B; + t['zagurmukhi'] = 0x0A5B; + t['zaharabic'] = 0x0638; + t['zahfinalarabic'] = 0xFEC6; + t['zahinitialarabic'] = 0xFEC7; + t['zahiragana'] = 0x3056; + t['zahmedialarabic'] = 0xFEC8; + t['zainarabic'] = 0x0632; + t['zainfinalarabic'] = 0xFEB0; + t['zakatakana'] = 0x30B6; + t['zaqefgadolhebrew'] = 0x0595; + t['zaqefqatanhebrew'] = 0x0594; + t['zarqahebrew'] = 0x0598; + t['zayin'] = 0x05D6; + t['zayindagesh'] = 0xFB36; + t['zayindageshhebrew'] = 0xFB36; + t['zayinhebrew'] = 0x05D6; + t['zbopomofo'] = 0x3117; + t['zcaron'] = 0x017E; + t['zcircle'] = 0x24E9; + t['zcircumflex'] = 0x1E91; + t['zcurl'] = 0x0291; + t['zdot'] = 0x017C; + t['zdotaccent'] = 0x017C; + t['zdotbelow'] = 0x1E93; + t['zecyrillic'] = 0x0437; + t['zedescendercyrillic'] = 0x0499; + t['zedieresiscyrillic'] = 0x04DF; + t['zehiragana'] = 0x305C; + t['zekatakana'] = 0x30BC; + t['zero'] = 0x0030; + t['zeroarabic'] = 0x0660; + t['zerobengali'] = 0x09E6; + t['zerodeva'] = 0x0966; + t['zerogujarati'] = 0x0AE6; + t['zerogurmukhi'] = 0x0A66; + t['zerohackarabic'] = 0x0660; + t['zeroinferior'] = 0x2080; + t['zeromonospace'] = 0xFF10; + t['zerooldstyle'] = 0xF730; + t['zeropersian'] = 0x06F0; + t['zerosuperior'] = 0x2070; + t['zerothai'] = 0x0E50; + t['zerowidthjoiner'] = 0xFEFF; + t['zerowidthnonjoiner'] = 0x200C; + t['zerowidthspace'] = 0x200B; + t['zeta'] = 0x03B6; + t['zhbopomofo'] = 0x3113; + t['zhearmenian'] = 0x056A; + t['zhebrevecyrillic'] = 0x04C2; + t['zhecyrillic'] = 0x0436; + t['zhedescendercyrillic'] = 0x0497; + t['zhedieresiscyrillic'] = 0x04DD; + t['zihiragana'] = 0x3058; + t['zikatakana'] = 0x30B8; + t['zinorhebrew'] = 0x05AE; + t['zlinebelow'] = 0x1E95; + t['zmonospace'] = 0xFF5A; + t['zohiragana'] = 0x305E; + t['zokatakana'] = 0x30BE; + t['zparen'] = 0x24B5; + t['zretroflexhook'] = 0x0290; + t['zstroke'] = 0x01B6; + t['zuhiragana'] = 0x305A; + t['zukatakana'] = 0x30BA; + t['.notdef'] = 0x0000; + }); + var getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) { + t['space'] = 0x0020; + t['a1'] = 0x2701; + t['a2'] = 0x2702; + t['a202'] = 0x2703; + t['a3'] = 0x2704; + t['a4'] = 0x260E; + t['a5'] = 0x2706; + t['a119'] = 0x2707; + t['a118'] = 0x2708; + t['a117'] = 0x2709; + t['a11'] = 0x261B; + t['a12'] = 0x261E; + t['a13'] = 0x270C; + t['a14'] = 0x270D; + t['a15'] = 0x270E; + t['a16'] = 0x270F; + t['a105'] = 0x2710; + t['a17'] = 0x2711; + t['a18'] = 0x2712; + t['a19'] = 0x2713; + t['a20'] = 0x2714; + t['a21'] = 0x2715; + t['a22'] = 0x2716; + t['a23'] = 0x2717; + t['a24'] = 0x2718; + t['a25'] = 0x2719; + t['a26'] = 0x271A; + t['a27'] = 0x271B; + t['a28'] = 0x271C; + t['a6'] = 0x271D; + t['a7'] = 0x271E; + t['a8'] = 0x271F; + t['a9'] = 0x2720; + t['a10'] = 0x2721; + t['a29'] = 0x2722; + t['a30'] = 0x2723; + t['a31'] = 0x2724; + t['a32'] = 0x2725; + t['a33'] = 0x2726; + t['a34'] = 0x2727; + t['a35'] = 0x2605; + t['a36'] = 0x2729; + t['a37'] = 0x272A; + t['a38'] = 0x272B; + t['a39'] = 0x272C; + t['a40'] = 0x272D; + t['a41'] = 0x272E; + t['a42'] = 0x272F; + t['a43'] = 0x2730; + t['a44'] = 0x2731; + t['a45'] = 0x2732; + t['a46'] = 0x2733; + t['a47'] = 0x2734; + t['a48'] = 0x2735; + t['a49'] = 0x2736; + t['a50'] = 0x2737; + t['a51'] = 0x2738; + t['a52'] = 0x2739; + t['a53'] = 0x273A; + t['a54'] = 0x273B; + t['a55'] = 0x273C; + t['a56'] = 0x273D; + t['a57'] = 0x273E; + t['a58'] = 0x273F; + t['a59'] = 0x2740; + t['a60'] = 0x2741; + t['a61'] = 0x2742; + t['a62'] = 0x2743; + t['a63'] = 0x2744; + t['a64'] = 0x2745; + t['a65'] = 0x2746; + t['a66'] = 0x2747; + t['a67'] = 0x2748; + t['a68'] = 0x2749; + t['a69'] = 0x274A; + t['a70'] = 0x274B; + t['a71'] = 0x25CF; + t['a72'] = 0x274D; + t['a73'] = 0x25A0; + t['a74'] = 0x274F; + t['a203'] = 0x2750; + t['a75'] = 0x2751; + t['a204'] = 0x2752; + t['a76'] = 0x25B2; + t['a77'] = 0x25BC; + t['a78'] = 0x25C6; + t['a79'] = 0x2756; + t['a81'] = 0x25D7; + t['a82'] = 0x2758; + t['a83'] = 0x2759; + t['a84'] = 0x275A; + t['a97'] = 0x275B; + t['a98'] = 0x275C; + t['a99'] = 0x275D; + t['a100'] = 0x275E; + t['a101'] = 0x2761; + t['a102'] = 0x2762; + t['a103'] = 0x2763; + t['a104'] = 0x2764; + t['a106'] = 0x2765; + t['a107'] = 0x2766; + t['a108'] = 0x2767; + t['a112'] = 0x2663; + t['a111'] = 0x2666; + t['a110'] = 0x2665; + t['a109'] = 0x2660; + t['a120'] = 0x2460; + t['a121'] = 0x2461; + t['a122'] = 0x2462; + t['a123'] = 0x2463; + t['a124'] = 0x2464; + t['a125'] = 0x2465; + t['a126'] = 0x2466; + t['a127'] = 0x2467; + t['a128'] = 0x2468; + t['a129'] = 0x2469; + t['a130'] = 0x2776; + t['a131'] = 0x2777; + t['a132'] = 0x2778; + t['a133'] = 0x2779; + t['a134'] = 0x277A; + t['a135'] = 0x277B; + t['a136'] = 0x277C; + t['a137'] = 0x277D; + t['a138'] = 0x277E; + t['a139'] = 0x277F; + t['a140'] = 0x2780; + t['a141'] = 0x2781; + t['a142'] = 0x2782; + t['a143'] = 0x2783; + t['a144'] = 0x2784; + t['a145'] = 0x2785; + t['a146'] = 0x2786; + t['a147'] = 0x2787; + t['a148'] = 0x2788; + t['a149'] = 0x2789; + t['a150'] = 0x278A; + t['a151'] = 0x278B; + t['a152'] = 0x278C; + t['a153'] = 0x278D; + t['a154'] = 0x278E; + t['a155'] = 0x278F; + t['a156'] = 0x2790; + t['a157'] = 0x2791; + t['a158'] = 0x2792; + t['a159'] = 0x2793; + t['a160'] = 0x2794; + t['a161'] = 0x2192; + t['a163'] = 0x2194; + t['a164'] = 0x2195; + t['a196'] = 0x2798; + t['a165'] = 0x2799; + t['a192'] = 0x279A; + t['a166'] = 0x279B; + t['a167'] = 0x279C; + t['a168'] = 0x279D; + t['a169'] = 0x279E; + t['a170'] = 0x279F; + t['a171'] = 0x27A0; + t['a172'] = 0x27A1; + t['a173'] = 0x27A2; + t['a162'] = 0x27A3; + t['a174'] = 0x27A4; + t['a175'] = 0x27A5; + t['a176'] = 0x27A6; + t['a177'] = 0x27A7; + t['a178'] = 0x27A8; + t['a179'] = 0x27A9; + t['a193'] = 0x27AA; + t['a180'] = 0x27AB; + t['a199'] = 0x27AC; + t['a181'] = 0x27AD; + t['a200'] = 0x27AE; + t['a182'] = 0x27AF; + t['a201'] = 0x27B1; + t['a183'] = 0x27B2; + t['a184'] = 0x27B3; + t['a197'] = 0x27B4; + t['a185'] = 0x27B5; + t['a194'] = 0x27B6; + t['a198'] = 0x27B7; + t['a186'] = 0x27B8; + t['a195'] = 0x27B9; + t['a187'] = 0x27BA; + t['a188'] = 0x27BB; + t['a189'] = 0x27BC; + t['a190'] = 0x27BD; + t['a191'] = 0x27BE; + t['a89'] = 0x2768; + // 0xF8D7 + t['a90'] = 0x2769; + // 0xF8D8 + t['a93'] = 0x276A; + // 0xF8D9 + t['a94'] = 0x276B; + // 0xF8DA + t['a91'] = 0x276C; + // 0xF8DB + t['a92'] = 0x276D; + // 0xF8DC + t['a205'] = 0x276E; + // 0xF8DD + t['a85'] = 0x276F; + // 0xF8DE + t['a206'] = 0x2770; + // 0xF8DF + t['a86'] = 0x2771; + // 0xF8E0 + t['a87'] = 0x2772; + // 0xF8E1 + t['a88'] = 0x2773; + // 0xF8E2 + t['a95'] = 0x2774; + // 0xF8E3 + t['a96'] = 0x2775; + // 0xF8E4 + t['.notdef'] = 0x0000; + }); + exports.getGlyphsUnicode = getGlyphsUnicode; + exports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode; + })); + (function (root, factory) { + factory(root.pdfjsCoreJbig2 = {}, root.pdfjsSharedUtil, root.pdfjsCoreArithmeticDecoder); + }(this, function (exports, sharedUtil, coreArithmeticDecoder) { + var error = sharedUtil.error; + var log2 = sharedUtil.log2; + var readInt8 = sharedUtil.readInt8; + var readUint16 = sharedUtil.readUint16; + var readUint32 = sharedUtil.readUint32; + var shadow = sharedUtil.shadow; + var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + var Jbig2Image = function Jbig2ImageClosure() { + // Utility data structures + function ContextCache() { + } + ContextCache.prototype = { + getContexts: function (id) { + if (id in this) { + return this[id]; + } + return this[id] = new Int8Array(1 << 16); + } + }; + function DecodingContext(data, start, end) { + this.data = data; + this.start = start; + this.end = end; + } + DecodingContext.prototype = { + get decoder() { + var decoder = new ArithmeticDecoder(this.data, this.start, this.end); + return shadow(this, 'decoder', decoder); + }, + get contextCache() { + var cache = new ContextCache(); + return shadow(this, 'contextCache', cache); + } + }; + // Annex A. Arithmetic Integer Decoding Procedure + // A.2 Procedure for decoding values + function decodeInteger(contextCache, procedure, decoder) { + var contexts = contextCache.getContexts(procedure); + var prev = 1; + function readBits(length) { + var v = 0; + for (var i = 0; i < length; i++) { + var bit = decoder.readBit(contexts, prev); + prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256; + v = v << 1 | bit; + } + return v >>> 0; + } + var sign = readBits(1); + var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2); + return sign === 0 ? value : value > 0 ? -value : null; + } + // A.3 The IAID decoding procedure + function decodeIAID(contextCache, decoder, codeLength) { + var contexts = contextCache.getContexts('IAID'); + var prev = 1; + for (var i = 0; i < codeLength; i++) { + var bit = decoder.readBit(contexts, prev); + prev = prev << 1 | bit; + } + if (codeLength < 31) { + return prev & (1 << codeLength) - 1; + } + return prev & 0x7FFFFFFF; + } + // 7.3 Segment types + var SegmentTypes = [ + 'SymbolDictionary', + null, + null, + null, + 'IntermediateTextRegion', + null, + 'ImmediateTextRegion', + 'ImmediateLosslessTextRegion', + null, + null, + null, + null, + null, + null, + null, + null, + 'patternDictionary', + null, + null, + null, + 'IntermediateHalftoneRegion', + null, + 'ImmediateHalftoneRegion', + 'ImmediateLosslessHalftoneRegion', + null, + null, + null, + null, + null, + null, + null, + null, + null, + null, + null, + null, + 'IntermediateGenericRegion', + null, + 'ImmediateGenericRegion', + 'ImmediateLosslessGenericRegion', + 'IntermediateGenericRefinementRegion', + null, + 'ImmediateGenericRefinementRegion', + 'ImmediateLosslessGenericRefinementRegion', + null, + null, + null, + null, + 'PageInformation', + 'EndOfPage', + 'EndOfStripe', + 'EndOfFile', + 'Profiles', + 'Tables', + null, + null, + null, + null, + null, + null, + null, + null, + 'Extension' + ]; + var CodingTemplates = [ + [ + { + x: -1, + y: -2 + }, + { + x: 0, + y: -2 + }, + { + x: 1, + y: -2 + }, + { + x: -2, + y: -1 + }, + { + x: -1, + y: -1 + }, + { + x: 0, + y: -1 + }, + { + x: 1, + y: -1 + }, + { + x: 2, + y: -1 + }, + { + x: -4, + y: 0 + }, + { + x: -3, + y: 0 + }, + { + x: -2, + y: 0 + }, + { + x: -1, + y: 0 + } + ], + [ + { + x: -1, + y: -2 + }, + { + x: 0, + y: -2 + }, + { + x: 1, + y: -2 + }, + { + x: 2, + y: -2 + }, + { + x: -2, + y: -1 + }, + { + x: -1, + y: -1 + }, + { + x: 0, + y: -1 + }, + { + x: 1, + y: -1 + }, + { + x: 2, + y: -1 + }, + { + x: -3, + y: 0 + }, + { + x: -2, + y: 0 + }, + { + x: -1, + y: 0 + } + ], + [ + { + x: -1, + y: -2 + }, + { + x: 0, + y: -2 + }, + { + x: 1, + y: -2 + }, + { + x: -2, + y: -1 + }, + { + x: -1, + y: -1 + }, + { + x: 0, + y: -1 + }, + { + x: 1, + y: -1 + }, + { + x: -2, + y: 0 + }, + { + x: -1, + y: 0 + } + ], + [ + { + x: -3, + y: -1 + }, + { + x: -2, + y: -1 + }, + { + x: -1, + y: -1 + }, + { + x: 0, + y: -1 + }, + { + x: 1, + y: -1 + }, + { + x: -4, + y: 0 + }, + { + x: -3, + y: 0 + }, + { + x: -2, + y: 0 + }, + { + x: -1, + y: 0 + } + ] + ]; + var RefinementTemplates = [ + { + coding: [ + { + x: 0, + y: -1 + }, + { + x: 1, + y: -1 + }, + { + x: -1, + y: 0 + } + ], + reference: [ + { + x: 0, + y: -1 + }, + { + x: 1, + y: -1 + }, + { + x: -1, + y: 0 + }, + { + x: 0, + y: 0 + }, + { + x: 1, + y: 0 + }, + { + x: -1, + y: 1 + }, + { + x: 0, + y: 1 + }, + { + x: 1, + y: 1 + } + ] + }, + { + coding: [ + { + x: -1, + y: -1 + }, + { + x: 0, + y: -1 + }, + { + x: 1, + y: -1 + }, + { + x: -1, + y: 0 + } + ], + reference: [ + { + x: 0, + y: -1 + }, + { + x: -1, + y: 0 + }, + { + x: 0, + y: 0 + }, + { + x: 1, + y: 0 + }, + { + x: 0, + y: 1 + }, + { + x: 1, + y: 1 + } + ] + } + ]; + // See 6.2.5.7 Decoding the bitmap. + var ReusedContexts = [ + 0x9B25, + // 10011 0110010 0101 + 0x0795, + // 0011 110010 101 + 0x00E5, + // 001 11001 01 + 0x0195 + ]; + // 011001 0101 + var RefinementReusedContexts = [ + 0x0020, + // '000' + '0' (coding) + '00010000' + '0' (reference) + 0x0008 + ]; + // '0000' + '001000' + function decodeBitmapTemplate0(width, height, decodingContext) { + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + var contextLabel, i, j, pixel, row, row1, row2, bitmap = []; + // ...ooooo.... + // ..ooooooo... Context template for current pixel (X) + // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel) + var OLD_PIXEL_MASK = 0x7BF7; + // 01111 0111111 0111 + for (i = 0; i < height; i++) { + row = bitmap[i] = new Uint8Array(width); + row1 = i < 1 ? row : bitmap[i - 1]; + row2 = i < 2 ? row : bitmap[i - 2]; + // At the beginning of each row: + // Fill contextLabel with pixels that are above/right of (X) + contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4; + for (j = 0; j < width; j++) { + row[j] = pixel = decoder.readBit(contexts, contextLabel); + // At each pixel: Clear contextLabel pixels that are shifted + // out of the context, then add new ones. + contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel; + } + } + return bitmap; + } + // 6.2 Generic Region Decoding Procedure + function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) { + if (mmr) { + error('JBIG2 error: MMR encoding is not supported'); + } + // Use optimized version for the most common case + if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) { + return decodeBitmapTemplate0(width, height, decodingContext); + } + var useskip = !!skip; + var template = CodingTemplates[templateIndex].concat(at); + // Sorting is non-standard, and it is not required. But sorting increases + // the number of template bits that can be reused from the previous + // contextLabel in the main loop. + template.sort(function (a, b) { + return a.y - b.y || a.x - b.x; + }); + var templateLength = template.length; + var templateX = new Int8Array(templateLength); + var templateY = new Int8Array(templateLength); + var changingTemplateEntries = []; + var reuseMask = 0, minX = 0, maxX = 0, minY = 0; + var c, k; + for (k = 0; k < templateLength; k++) { + templateX[k] = template[k].x; + templateY[k] = template[k].y; + minX = Math.min(minX, template[k].x); + maxX = Math.max(maxX, template[k].x); + minY = Math.min(minY, template[k].y); + // Check if the template pixel appears in two consecutive context labels, + // so it can be reused. Otherwise, we add it to the list of changing + // template entries. + if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) { + reuseMask |= 1 << templateLength - 1 - k; + } else { + changingTemplateEntries.push(k); + } + } + var changingEntriesLength = changingTemplateEntries.length; + var changingTemplateX = new Int8Array(changingEntriesLength); + var changingTemplateY = new Int8Array(changingEntriesLength); + var changingTemplateBit = new Uint16Array(changingEntriesLength); + for (c = 0; c < changingEntriesLength; c++) { + k = changingTemplateEntries[c]; + changingTemplateX[c] = template[k].x; + changingTemplateY[c] = template[k].y; + changingTemplateBit[c] = 1 << templateLength - 1 - k; + } + // Get the safe bounding box edges from the width, height, minX, maxX, minY + var sbb_left = -minX; + var sbb_top = -minY; + var sbb_right = width - maxX; + var pseudoPixelContext = ReusedContexts[templateIndex]; + var row = new Uint8Array(width); + var bitmap = []; + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + var ltp = 0, j, i0, j0, contextLabel = 0, bit, shift; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + bitmap.push(row); + // duplicate previous row + continue; + } + } + row = new Uint8Array(row); + bitmap.push(row); + for (j = 0; j < width; j++) { + if (useskip && skip[i][j]) { + row[j] = 0; + continue; + } + // Are we in the middle of a scanline, so we can reuse contextLabel + // bits? + if (j >= sbb_left && j < sbb_right && i >= sbb_top) { + // If yes, we can just shift the bits that are reusable and only + // fetch the remaining ones. + contextLabel = contextLabel << 1 & reuseMask; + for (k = 0; k < changingEntriesLength; k++) { + i0 = i + changingTemplateY[k]; + j0 = j + changingTemplateX[k]; + bit = bitmap[i0][j0]; + if (bit) { + bit = changingTemplateBit[k]; + contextLabel |= bit; + } + } + } else { + // compute the contextLabel from scratch + contextLabel = 0; + shift = templateLength - 1; + for (k = 0; k < templateLength; k++, shift--) { + j0 = j + templateX[k]; + if (j0 >= 0 && j0 < width) { + i0 = i + templateY[k]; + if (i0 >= 0) { + bit = bitmap[i0][j0]; + if (bit) { + contextLabel |= bit << shift; + } + } + } + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + return bitmap; + } + // 6.3.2 Generic Refinement Region Decoding Procedure + function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) { + var codingTemplate = RefinementTemplates[templateIndex].coding; + if (templateIndex === 0) { + codingTemplate = codingTemplate.concat([at[0]]); + } + var codingTemplateLength = codingTemplate.length; + var codingTemplateX = new Int32Array(codingTemplateLength); + var codingTemplateY = new Int32Array(codingTemplateLength); + var k; + for (k = 0; k < codingTemplateLength; k++) { + codingTemplateX[k] = codingTemplate[k].x; + codingTemplateY[k] = codingTemplate[k].y; + } + var referenceTemplate = RefinementTemplates[templateIndex].reference; + if (templateIndex === 0) { + referenceTemplate = referenceTemplate.concat([at[1]]); + } + var referenceTemplateLength = referenceTemplate.length; + var referenceTemplateX = new Int32Array(referenceTemplateLength); + var referenceTemplateY = new Int32Array(referenceTemplateLength); + for (k = 0; k < referenceTemplateLength; k++) { + referenceTemplateX[k] = referenceTemplate[k].x; + referenceTemplateY[k] = referenceTemplate[k].y; + } + var referenceWidth = referenceBitmap[0].length; + var referenceHeight = referenceBitmap.length; + var pseudoPixelContext = RefinementReusedContexts[templateIndex]; + var bitmap = []; + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GR'); + var ltp = 0; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + error('JBIG2 error: prediction is not supported'); + } + } + var row = new Uint8Array(width); + bitmap.push(row); + for (var j = 0; j < width; j++) { + var i0, j0; + var contextLabel = 0; + for (k = 0; k < codingTemplateLength; k++) { + i0 = i + codingTemplateY[k]; + j0 = j + codingTemplateX[k]; + if (i0 < 0 || j0 < 0 || j0 >= width) { + contextLabel <<= 1; + } else + // out of bound pixel + { + contextLabel = contextLabel << 1 | bitmap[i0][j0]; + } + } + for (k = 0; k < referenceTemplateLength; k++) { + i0 = i + referenceTemplateY[k] + offsetY; + j0 = j + referenceTemplateX[k] + offsetX; + if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) { + contextLabel <<= 1; + } else + // out of bound pixel + { + contextLabel = contextLabel << 1 | referenceBitmap[i0][j0]; + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + return bitmap; + } + // 6.5.5 Decoding the symbol dictionary + function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + var newSymbols = []; + var currentHeight = 0; + var symbolCodeLength = log2(symbols.length + numberOfNewSymbols); + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + while (newSymbols.length < numberOfNewSymbols) { + var deltaHeight = decodeInteger(contextCache, 'IADH', decoder); + // 6.5.6 + currentHeight += deltaHeight; + var currentWidth = 0; + var totalWidth = 0; + while (true) { + var deltaWidth = decodeInteger(contextCache, 'IADW', decoder); + // 6.5.7 + if (deltaWidth === null) { + break; + } + // OOB + currentWidth += deltaWidth; + totalWidth += currentWidth; + var bitmap; + if (refinement) { + // 6.5.8.2 Refinement/aggregate-coded symbol bitmap + var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder); + if (numberOfInstances > 1) { + bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, //strip size + symbols.concat(newSymbols), symbolCodeLength, 0, //transposed + 0, //ds offset + 1, //top left 7.4.3.1.1 + 0, //OR operator + huffmanTables, refinementTemplateIndex, refinementAt, decodingContext); + } else { + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var rdx = decodeInteger(contextCache, 'IARDX', decoder); + // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); + // 6.4.11.4 + var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length]; + bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext); + } + } else { + // 6.5.8.1 Direct-coded symbol bitmap + bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext); + } + newSymbols.push(bitmap); + } + } + // 6.5.10 Exported symbols + var exportedSymbols = []; + var flags = [], currentFlag = false; + var totalSymbolsLength = symbols.length + numberOfNewSymbols; + while (flags.length < totalSymbolsLength) { + var runLength = decodeInteger(contextCache, 'IAEX', decoder); + while (runLength--) { + flags.push(currentFlag); + } + currentFlag = !currentFlag; + } + for (var i = 0, ii = symbols.length; i < ii; i++) { + if (flags[i]) { + exportedSymbols.push(symbols[i]); + } + } + for (var j = 0; j < numberOfNewSymbols; i++, j++) { + if (flags[i]) { + exportedSymbols.push(newSymbols[j]); + } + } + return exportedSymbols; + } + function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + // Prepare bitmap + var bitmap = []; + var i, row; + for (i = 0; i < height; i++) { + row = new Uint8Array(width); + if (defaultPixelValue) { + for (var j = 0; j < width; j++) { + row[j] = defaultPixelValue; + } + } + bitmap.push(row); + } + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + var stripT = -decodeInteger(contextCache, 'IADT', decoder); + // 6.4.6 + var firstS = 0; + i = 0; + while (i < numberOfSymbolInstances) { + var deltaT = decodeInteger(contextCache, 'IADT', decoder); + // 6.4.6 + stripT += deltaT; + var deltaFirstS = decodeInteger(contextCache, 'IAFS', decoder); + // 6.4.7 + firstS += deltaFirstS; + var currentS = firstS; + do { + var currentT = stripSize === 1 ? 0 : decodeInteger(contextCache, 'IAIT', decoder); + // 6.4.9 + var t = stripSize * stripT + currentT; + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var applyRefinement = refinement && decodeInteger(contextCache, 'IARI', decoder); + var symbolBitmap = inputSymbols[symbolId]; + var symbolWidth = symbolBitmap[0].length; + var symbolHeight = symbolBitmap.length; + if (applyRefinement) { + var rdw = decodeInteger(contextCache, 'IARDW', decoder); + // 6.4.11.1 + var rdh = decodeInteger(contextCache, 'IARDH', decoder); + // 6.4.11.2 + var rdx = decodeInteger(contextCache, 'IARDX', decoder); + // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); + // 6.4.11.4 + symbolWidth += rdw; + symbolHeight += rdh; + symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext); + } + var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight); + var offsetS = currentS - (referenceCorner & 2 ? symbolWidth : 0); + var s2, t2, symbolRow; + if (transposed) { + // Place Symbol Bitmap from T1,S1 + for (s2 = 0; s2 < symbolHeight; s2++) { + row = bitmap[offsetS + s2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[s2]; + // To ignore Parts of Symbol bitmap which goes + // outside bitmap region + var maxWidth = Math.min(width - offsetT, symbolWidth); + switch (combinationOperator) { + case 0: + // OR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] |= symbolRow[t2]; + } + break; + case 2: + // XOR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] ^= symbolRow[t2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + ' is not supported'); + } + } + currentS += symbolHeight - 1; + } else { + for (t2 = 0; t2 < symbolHeight; t2++) { + row = bitmap[offsetT + t2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[t2]; + switch (combinationOperator) { + case 0: + // OR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] |= symbolRow[s2]; + } + break; + case 2: + // XOR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] ^= symbolRow[s2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + ' is not supported'); + } + } + currentS += symbolWidth - 1; + } + i++; + var deltaS = decodeInteger(contextCache, 'IADS', decoder); + // 6.4.8 + if (deltaS === null) { + break; + } + // OOB + currentS += deltaS + dsOffset; + } while (true); + } + return bitmap; + } + function readSegmentHeader(data, start) { + var segmentHeader = {}; + segmentHeader.number = readUint32(data, start); + var flags = data[start + 4]; + var segmentType = flags & 0x3F; + if (!SegmentTypes[segmentType]) { + error('JBIG2 error: invalid segment type: ' + segmentType); + } + segmentHeader.type = segmentType; + segmentHeader.typeName = SegmentTypes[segmentType]; + segmentHeader.deferredNonRetain = !!(flags & 0x80); + var pageAssociationFieldSize = !!(flags & 0x40); + var referredFlags = data[start + 5]; + var referredToCount = referredFlags >> 5 & 7; + var retainBits = [referredFlags & 31]; + var position = start + 6; + if (referredFlags === 7) { + referredToCount = readUint32(data, position - 1) & 0x1FFFFFFF; + position += 3; + var bytes = referredToCount + 7 >> 3; + retainBits[0] = data[position++]; + while (--bytes > 0) { + retainBits.push(data[position++]); + } + } else if (referredFlags === 5 || referredFlags === 6) { + error('JBIG2 error: invalid referred-to flags'); + } + segmentHeader.retainBits = retainBits; + var referredToSegmentNumberSize = segmentHeader.number <= 256 ? 1 : segmentHeader.number <= 65536 ? 2 : 4; + var referredTo = []; + var i, ii; + for (i = 0; i < referredToCount; i++) { + var number = referredToSegmentNumberSize === 1 ? data[position] : referredToSegmentNumberSize === 2 ? readUint16(data, position) : readUint32(data, position); + referredTo.push(number); + position += referredToSegmentNumberSize; + } + segmentHeader.referredTo = referredTo; + if (!pageAssociationFieldSize) { + segmentHeader.pageAssociation = data[position++]; + } else { + segmentHeader.pageAssociation = readUint32(data, position); + position += 4; + } + segmentHeader.length = readUint32(data, position); + position += 4; + if (segmentHeader.length === 0xFFFFFFFF) { + // 7.2.7 Segment data length, unknown segment length + if (segmentType === 38) { + // ImmediateGenericRegion + var genericRegionInfo = readRegionSegmentInformation(data, position); + var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength]; + var genericRegionMmr = !!(genericRegionSegmentFlags & 1); + // searching for the segment end + var searchPatternLength = 6; + var searchPattern = new Uint8Array(searchPatternLength); + if (!genericRegionMmr) { + searchPattern[0] = 0xFF; + searchPattern[1] = 0xAC; + } + searchPattern[2] = genericRegionInfo.height >>> 24 & 0xFF; + searchPattern[3] = genericRegionInfo.height >> 16 & 0xFF; + searchPattern[4] = genericRegionInfo.height >> 8 & 0xFF; + searchPattern[5] = genericRegionInfo.height & 0xFF; + for (i = position, ii = data.length; i < ii; i++) { + var j = 0; + while (j < searchPatternLength && searchPattern[j] === data[i + j]) { + j++; + } + if (j === searchPatternLength) { + segmentHeader.length = i + searchPatternLength; + break; + } + } + if (segmentHeader.length === 0xFFFFFFFF) { + error('JBIG2 error: segment end was not found'); + } + } else { + error('JBIG2 error: invalid unknown segment length'); + } + } + segmentHeader.headerEnd = position; + return segmentHeader; + } + function readSegments(header, data, start, end) { + var segments = []; + var position = start; + while (position < end) { + var segmentHeader = readSegmentHeader(data, position); + position = segmentHeader.headerEnd; + var segment = { + header: segmentHeader, + data: data + }; + if (!header.randomAccess) { + segment.start = position; + position += segmentHeader.length; + segment.end = position; + } + segments.push(segment); + if (segmentHeader.type === 51) { + break; + } + } + // end of file is found + if (header.randomAccess) { + for (var i = 0, ii = segments.length; i < ii; i++) { + segments[i].start = position; + position += segments[i].header.length; + segments[i].end = position; + } + } + return segments; + } + // 7.4.1 Region segment information field + function readRegionSegmentInformation(data, start) { + return { + width: readUint32(data, start), + height: readUint32(data, start + 4), + x: readUint32(data, start + 8), + y: readUint32(data, start + 12), + combinationOperator: data[start + 16] & 7 + }; + } + var RegionSegmentInformationFieldLength = 17; + function processSegment(segment, visitor) { + var header = segment.header; + var data = segment.data, position = segment.start, end = segment.end; + var args, at, i, atLength; + switch (header.type) { + case 0: + // SymbolDictionary + // 7.4.2 Symbol dictionary segment syntax + var dictionary = {}; + var dictionaryFlags = readUint16(data, position); + // 7.4.2.1.1 + dictionary.huffman = !!(dictionaryFlags & 1); + dictionary.refinement = !!(dictionaryFlags & 2); + dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3; + dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3; + dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1; + dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1; + dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256); + dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512); + dictionary.template = dictionaryFlags >> 10 & 3; + dictionary.refinementTemplate = dictionaryFlags >> 12 & 1; + position += 2; + if (!dictionary.huffman) { + atLength = dictionary.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.at = at; + } + if (dictionary.refinement && !dictionary.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.refinementAt = at; + } + dictionary.numberOfExportedSymbols = readUint32(data, position); + position += 4; + dictionary.numberOfNewSymbols = readUint32(data, position); + position += 4; + args = [ + dictionary, + header.number, + header.referredTo, + data, + position, + end + ]; + break; + case 6: + // ImmediateTextRegion + case 7: + // ImmediateLosslessTextRegion + var textRegion = {}; + textRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var textRegionSegmentFlags = readUint16(data, position); + position += 2; + textRegion.huffman = !!(textRegionSegmentFlags & 1); + textRegion.refinement = !!(textRegionSegmentFlags & 2); + textRegion.stripSize = 1 << (textRegionSegmentFlags >> 2 & 3); + textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3; + textRegion.transposed = !!(textRegionSegmentFlags & 64); + textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3; + textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1; + textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27; + textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1; + if (textRegion.huffman) { + var textRegionHuffmanFlags = readUint16(data, position); + position += 2; + textRegion.huffmanFS = textRegionHuffmanFlags & 3; + textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3; + textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3; + textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3; + textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3; + textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3; + textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3; + textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 14); + } + if (textRegion.refinement && !textRegion.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + textRegion.refinementAt = at; + } + textRegion.numberOfSymbolInstances = readUint32(data, position); + position += 4; + // TODO 7.4.3.1.7 Symbol ID Huffman table decoding + if (textRegion.huffman) { + error('JBIG2 error: huffman is not supported'); + } + args = [ + textRegion, + header.referredTo, + data, + position, + end + ]; + break; + case 38: + // ImmediateGenericRegion + case 39: + // ImmediateLosslessGenericRegion + var genericRegion = {}; + genericRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var genericRegionSegmentFlags = data[position++]; + genericRegion.mmr = !!(genericRegionSegmentFlags & 1); + genericRegion.template = genericRegionSegmentFlags >> 1 & 3; + genericRegion.prediction = !!(genericRegionSegmentFlags & 8); + if (!genericRegion.mmr) { + atLength = genericRegion.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + genericRegion.at = at; + } + args = [ + genericRegion, + data, + position, + end + ]; + break; + case 48: + // PageInformation + var pageInfo = { + width: readUint32(data, position), + height: readUint32(data, position + 4), + resolutionX: readUint32(data, position + 8), + resolutionY: readUint32(data, position + 12) + }; + if (pageInfo.height === 0xFFFFFFFF) { + delete pageInfo.height; + } + var pageSegmentFlags = data[position + 16]; + var pageStripingInformation = readUint16(data, position + 17); + pageInfo.lossless = !!(pageSegmentFlags & 1); + pageInfo.refinement = !!(pageSegmentFlags & 2); + pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1; + pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3; + pageInfo.requiresBuffer = !!(pageSegmentFlags & 32); + pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64); + args = [pageInfo]; + break; + case 49: + // EndOfPage + break; + case 50: + // EndOfStripe + break; + case 51: + // EndOfFile + break; + case 62: + // 7.4.15 defines 2 extension types which + // are comments and can be ignored. + break; + default: + error('JBIG2 error: segment type ' + header.typeName + '(' + header.type + ') is not implemented'); + } + var callbackName = 'on' + header.typeName; + if (callbackName in visitor) { + visitor[callbackName].apply(visitor, args); + } + } + function processSegments(segments, visitor) { + for (var i = 0, ii = segments.length; i < ii; i++) { + processSegment(segments[i], visitor); + } + } + function parseJbig2(data, start, end) { + var position = start; + if (data[position] !== 0x97 || data[position + 1] !== 0x4A || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0D || data[position + 5] !== 0x0A || data[position + 6] !== 0x1A || data[position + 7] !== 0x0A) { + error('JBIG2 error: invalid header'); + } + var header = {}; + position += 8; + var flags = data[position++]; + header.randomAccess = !(flags & 1); + if (!(flags & 2)) { + header.numberOfPages = readUint32(data, position); + position += 4; + } + var segments = readSegments(header, data, position, end); + error('Not implemented'); + } + // processSegments(segments, new SimpleSegmentVisitor()); + function parseJbig2Chunks(chunks) { + var visitor = new SimpleSegmentVisitor(); + for (var i = 0, ii = chunks.length; i < ii; i++) { + var chunk = chunks[i]; + var segments = readSegments({}, chunk.data, chunk.start, chunk.end); + processSegments(segments, visitor); + } + return visitor.buffer; + } + function SimpleSegmentVisitor() { + } + SimpleSegmentVisitor.prototype = { + onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) { + this.currentPageInfo = info; + var rowSize = info.width + 7 >> 3; + var buffer = new Uint8Array(rowSize * info.height); + // The contents of ArrayBuffers are initialized to 0. + // Fill the buffer with 0xFF only if info.defaultPixelValue is set + if (info.defaultPixelValue) { + for (var i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] = 0xFF; + } + } + this.buffer = buffer; + }, + drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) { + var pageInfo = this.currentPageInfo; + var width = regionInfo.width, height = regionInfo.height; + var rowSize = pageInfo.width + 7 >> 3; + var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator; + var buffer = this.buffer; + var mask0 = 128 >> (regionInfo.x & 7); + var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3); + var i, j, mask, offset; + switch (combinationOperator) { + case 0: + // OR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] |= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + case 2: + // XOR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] ^= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + ' is not supported'); + } + }, + onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) { + var regionInfo = region.info; + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() { + this.onImmediateGenericRegion.apply(this, arguments); + }, + onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) { + var huffmanTables; + if (dictionary.huffman) { + error('JBIG2 error: huffman is not supported'); + } + // Combines exported symbols from all referred segments + var symbols = this.symbols; + if (!symbols) { + this.symbols = symbols = {}; + } + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + var decodingContext = new DecodingContext(data, start, end); + symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext); + }, + onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) { + var regionInfo = region.info; + var huffmanTables; + // Combines exported symbols from all referred segments + var symbols = this.symbols; + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + var symbolCodeLength = log2(inputSymbols.length); + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() { + this.onImmediateTextRegion.apply(this, arguments); + } + }; + function Jbig2Image() { + } + Jbig2Image.prototype = { + parseChunks: function Jbig2Image_parseChunks(chunks) { + return parseJbig2Chunks(chunks); + } + }; + return Jbig2Image; + }(); + exports.Jbig2Image = Jbig2Image; + })); + (function (root, factory) { + factory(root.pdfjsCoreJpg = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var error = sharedUtil.error; + /** + * This code was forked from https://github.com/notmasteryet/jpgjs. + * The original version was created by GitHub user notmasteryet. + * + * - The JPEG specification can be found in the ITU CCITT Recommendation T.81 + * (www.w3.org/Graphics/JPEG/itu-t81.pdf) + * - The JFIF specification can be found in the JPEG File Interchange Format + * (www.w3.org/Graphics/JPEG/jfif3.pdf) + * - The Adobe Application-Specific JPEG markers in the + * Supporting the DCT Filters in PostScript Level 2, Technical Note #5116 + * (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf) + */ + var JpegImage = function JpegImageClosure() { + var dctZigZag = new Uint8Array([ + 0, + 1, + 8, + 16, + 9, + 2, + 3, + 10, + 17, + 24, + 32, + 25, + 18, + 11, + 4, + 5, + 12, + 19, + 26, + 33, + 40, + 48, + 41, + 34, + 27, + 20, + 13, + 6, + 7, + 14, + 21, + 28, + 35, + 42, + 49, + 56, + 57, + 50, + 43, + 36, + 29, + 22, + 15, + 23, + 30, + 37, + 44, + 51, + 58, + 59, + 52, + 45, + 38, + 31, + 39, + 46, + 53, + 60, + 61, + 54, + 47, + 55, + 62, + 63 + ]); + var dctCos1 = 4017; + // cos(pi/16) + var dctSin1 = 799; + // sin(pi/16) + var dctCos3 = 3406; + // cos(3*pi/16) + var dctSin3 = 2276; + // sin(3*pi/16) + var dctCos6 = 1567; + // cos(6*pi/16) + var dctSin6 = 3784; + // sin(6*pi/16) + var dctSqrt2 = 5793; + // sqrt(2) + var dctSqrt1d2 = 2896; + // sqrt(2) / 2 + function JpegImage() { + this.decodeTransform = null; + this.colorTransform = -1; + } + function buildHuffmanTable(codeLengths, values) { + var k = 0, code = [], i, j, length = 16; + while (length > 0 && !codeLengths[length - 1]) { + length--; + } + code.push({ + children: [], + index: 0 + }); + var p = code[0], q; + for (i = 0; i < length; i++) { + for (j = 0; j < codeLengths[i]; j++) { + p = code.pop(); + p.children[p.index] = values[k]; + while (p.index > 0) { + p = code.pop(); + } + p.index++; + code.push(p); + while (code.length <= i) { + code.push(q = { + children: [], + index: 0 + }); + p.children[p.index] = q.children; + p = q; + } + k++; + } + if (i + 1 < length) { + // p here points to last code + code.push(q = { + children: [], + index: 0 + }); + p.children[p.index] = q.children; + p = q; + } + } + return code[0].children; + } + function getBlockBufferOffset(component, row, col) { + return 64 * ((component.blocksPerLine + 1) * row + col); + } + function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) { + var mcusPerLine = frame.mcusPerLine; + var progressive = frame.progressive; + var startOffset = offset, bitsData = 0, bitsCount = 0; + function readBit() { + if (bitsCount > 0) { + bitsCount--; + return bitsData >> bitsCount & 1; + } + bitsData = data[offset++]; + if (bitsData === 0xFF) { + var nextByte = data[offset++]; + if (nextByte) { + error('JPEG error: unexpected marker ' + (bitsData << 8 | nextByte).toString(16)); + } + } + // unstuff 0 + bitsCount = 7; + return bitsData >>> 7; + } + function decodeHuffman(tree) { + var node = tree; + while (true) { + node = node[readBit()]; + if (typeof node === 'number') { + return node; + } + if (typeof node !== 'object') { + error('JPEG error: invalid huffman sequence'); + } + } + } + function receive(length) { + var n = 0; + while (length > 0) { + n = n << 1 | readBit(); + length--; + } + return n; + } + function receiveAndExtend(length) { + if (length === 1) { + return readBit() === 1 ? 1 : -1; + } + var n = receive(length); + if (n >= 1 << length - 1) { + return n; + } + return n + (-1 << length) + 1; + } + function decodeBaseline(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : receiveAndExtend(t); + component.blockData[offset] = component.pred += diff; + var k = 1; + while (k < 64) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + break; + } + k += 16; + continue; + } + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = receiveAndExtend(s); + k++; + } + } + function decodeDCFirst(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : receiveAndExtend(t) << successive; + component.blockData[offset] = component.pred += diff; + } + function decodeDCSuccessive(component, offset) { + component.blockData[offset] |= readBit() << successive; + } + var eobrun = 0; + function decodeACFirst(component, offset) { + if (eobrun > 0) { + eobrun--; + return; + } + var k = spectralStart, e = spectralEnd; + while (k <= e) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r) - 1; + break; + } + k += 16; + continue; + } + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = receiveAndExtend(s) * (1 << successive); + k++; + } + } + var successiveACState = 0, successiveACNextValue; + function decodeACSuccessive(component, offset) { + var k = spectralStart; + var e = spectralEnd; + var r = 0; + var s; + var rs; + while (k <= e) { + var z = dctZigZag[k]; + switch (successiveACState) { + case 0: + // initial state + rs = decodeHuffman(component.huffmanTableAC); + s = rs & 15; + r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r); + successiveACState = 4; + } else { + r = 16; + successiveACState = 1; + } + } else { + if (s !== 1) { + error('JPEG error: invalid ACn encoding'); + } + successiveACNextValue = receiveAndExtend(s); + successiveACState = r ? 2 : 3; + } + continue; + case 1: + // skipping r zero items + case 2: + if (component.blockData[offset + z]) { + component.blockData[offset + z] += readBit() << successive; + } else { + r--; + if (r === 0) { + successiveACState = successiveACState === 2 ? 3 : 0; + } + } + break; + case 3: + // set value for a zero item + if (component.blockData[offset + z]) { + component.blockData[offset + z] += readBit() << successive; + } else { + component.blockData[offset + z] = successiveACNextValue << successive; + successiveACState = 0; + } + break; + case 4: + // eob + if (component.blockData[offset + z]) { + component.blockData[offset + z] += readBit() << successive; + } + break; + } + k++; + } + if (successiveACState === 4) { + eobrun--; + if (eobrun === 0) { + successiveACState = 0; + } + } + } + function decodeMcu(component, decode, mcu, row, col) { + var mcuRow = mcu / mcusPerLine | 0; + var mcuCol = mcu % mcusPerLine; + var blockRow = mcuRow * component.v + row; + var blockCol = mcuCol * component.h + col; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + function decodeBlock(component, decode, mcu) { + var blockRow = mcu / component.blocksPerLine | 0; + var blockCol = mcu % component.blocksPerLine; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + var componentsLength = components.length; + var component, i, j, k, n; + var decodeFn; + if (progressive) { + if (spectralStart === 0) { + decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive; + } else { + decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive; + } + } else { + decodeFn = decodeBaseline; + } + var mcu = 0, marker; + var mcuExpected; + if (componentsLength === 1) { + mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn; + } else { + mcuExpected = mcusPerLine * frame.mcusPerColumn; + } + if (!resetInterval) { + resetInterval = mcuExpected; + } + var h, v; + while (mcu < mcuExpected) { + // reset interval stuff + for (i = 0; i < componentsLength; i++) { + components[i].pred = 0; + } + eobrun = 0; + if (componentsLength === 1) { + component = components[0]; + for (n = 0; n < resetInterval; n++) { + decodeBlock(component, decodeFn, mcu); + mcu++; + } + } else { + for (n = 0; n < resetInterval; n++) { + for (i = 0; i < componentsLength; i++) { + component = components[i]; + h = component.h; + v = component.v; + for (j = 0; j < v; j++) { + for (k = 0; k < h; k++) { + decodeMcu(component, decodeFn, mcu, j, k); + } + } + } + mcu++; + } + } + // find marker + bitsCount = 0; + marker = data[offset] << 8 | data[offset + 1]; + // Some bad images seem to pad Scan blocks with zero bytes, skip past + // those to attempt to find a valid marker (fixes issue4090.pdf). + while (data[offset] === 0x00 && offset < data.length - 1) { + offset++; + marker = data[offset] << 8 | data[offset + 1]; + } + if (marker <= 0xFF00) { + error('JPEG error: marker was not found'); + } + if (marker >= 0xFFD0 && marker <= 0xFFD7) { + // RSTx + offset += 2; + } else { + break; + } + } + return offset - startOffset; + } + // A port of poppler's IDCT method which in turn is taken from: + // Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz, + // 'Practical Fast 1-D DCT Algorithms with 11 Multiplications', + // IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989, + // 988-991. + function quantizeAndInverse(component, blockBufferOffset, p) { + var qt = component.quantizationTable, blockData = component.blockData; + var v0, v1, v2, v3, v4, v5, v6, v7; + var p0, p1, p2, p3, p4, p5, p6, p7; + var t; + if (!qt) { + error('JPEG error: missing required Quantization Table.'); + } + // inverse DCT on rows + for (var row = 0; row < 64; row += 8) { + // gather block data + p0 = blockData[blockBufferOffset + row]; + p1 = blockData[blockBufferOffset + row + 1]; + p2 = blockData[blockBufferOffset + row + 2]; + p3 = blockData[blockBufferOffset + row + 3]; + p4 = blockData[blockBufferOffset + row + 4]; + p5 = blockData[blockBufferOffset + row + 5]; + p6 = blockData[blockBufferOffset + row + 6]; + p7 = blockData[blockBufferOffset + row + 7]; + // dequant p0 + p0 *= qt[row]; + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = dctSqrt2 * p0 + 512 >> 10; + p[row] = t; + p[row + 1] = t; + p[row + 2] = t; + p[row + 3] = t; + p[row + 4] = t; + p[row + 5] = t; + p[row + 6] = t; + p[row + 7] = t; + continue; + } + // dequant p1 ... p7 + p1 *= qt[row + 1]; + p2 *= qt[row + 2]; + p3 *= qt[row + 3]; + p4 *= qt[row + 4]; + p5 *= qt[row + 5]; + p6 *= qt[row + 6]; + p7 *= qt[row + 7]; + // stage 4 + v0 = dctSqrt2 * p0 + 128 >> 8; + v1 = dctSqrt2 * p4 + 128 >> 8; + v2 = p2; + v3 = p6; + v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8; + v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8; + v5 = p3 << 4; + v6 = p5 << 4; + // stage 3 + v0 = v0 + v1 + 1 >> 1; + v1 = v0 - v1; + t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8; + v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8; + v3 = t; + v4 = v4 + v6 + 1 >> 1; + v6 = v4 - v6; + v7 = v7 + v5 + 1 >> 1; + v5 = v7 - v5; + // stage 2 + v0 = v0 + v3 + 1 >> 1; + v3 = v0 - v3; + v1 = v1 + v2 + 1 >> 1; + v2 = v1 - v2; + t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12; + v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12; + v7 = t; + t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12; + v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12; + v6 = t; + // stage 1 + p[row] = v0 + v7; + p[row + 7] = v0 - v7; + p[row + 1] = v1 + v6; + p[row + 6] = v1 - v6; + p[row + 2] = v2 + v5; + p[row + 5] = v2 - v5; + p[row + 3] = v3 + v4; + p[row + 4] = v3 - v4; + } + // inverse DCT on columns + for (var col = 0; col < 8; ++col) { + p0 = p[col]; + p1 = p[col + 8]; + p2 = p[col + 16]; + p3 = p[col + 24]; + p4 = p[col + 32]; + p5 = p[col + 40]; + p6 = p[col + 48]; + p7 = p[col + 56]; + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = dctSqrt2 * p0 + 8192 >> 14; + // convert to 8 bit + t = t < -2040 ? 0 : t >= 2024 ? 255 : t + 2056 >> 4; + blockData[blockBufferOffset + col] = t; + blockData[blockBufferOffset + col + 8] = t; + blockData[blockBufferOffset + col + 16] = t; + blockData[blockBufferOffset + col + 24] = t; + blockData[blockBufferOffset + col + 32] = t; + blockData[blockBufferOffset + col + 40] = t; + blockData[blockBufferOffset + col + 48] = t; + blockData[blockBufferOffset + col + 56] = t; + continue; + } + // stage 4 + v0 = dctSqrt2 * p0 + 2048 >> 12; + v1 = dctSqrt2 * p4 + 2048 >> 12; + v2 = p2; + v3 = p6; + v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12; + v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12; + v5 = p3; + v6 = p5; + // stage 3 + // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when + // converting to UInt8 range later. + v0 = (v0 + v1 + 1 >> 1) + 4112; + v1 = v0 - v1; + t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12; + v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12; + v3 = t; + v4 = v4 + v6 + 1 >> 1; + v6 = v4 - v6; + v7 = v7 + v5 + 1 >> 1; + v5 = v7 - v5; + // stage 2 + v0 = v0 + v3 + 1 >> 1; + v3 = v0 - v3; + v1 = v1 + v2 + 1 >> 1; + v2 = v1 - v2; + t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12; + v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12; + v7 = t; + t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12; + v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12; + v6 = t; + // stage 1 + p0 = v0 + v7; + p7 = v0 - v7; + p1 = v1 + v6; + p6 = v1 - v6; + p2 = v2 + v5; + p5 = v2 - v5; + p3 = v3 + v4; + p4 = v3 - v4; + // convert to 8-bit integers + p0 = p0 < 16 ? 0 : p0 >= 4080 ? 255 : p0 >> 4; + p1 = p1 < 16 ? 0 : p1 >= 4080 ? 255 : p1 >> 4; + p2 = p2 < 16 ? 0 : p2 >= 4080 ? 255 : p2 >> 4; + p3 = p3 < 16 ? 0 : p3 >= 4080 ? 255 : p3 >> 4; + p4 = p4 < 16 ? 0 : p4 >= 4080 ? 255 : p4 >> 4; + p5 = p5 < 16 ? 0 : p5 >= 4080 ? 255 : p5 >> 4; + p6 = p6 < 16 ? 0 : p6 >= 4080 ? 255 : p6 >> 4; + p7 = p7 < 16 ? 0 : p7 >= 4080 ? 255 : p7 >> 4; + // store block data + blockData[blockBufferOffset + col] = p0; + blockData[blockBufferOffset + col + 8] = p1; + blockData[blockBufferOffset + col + 16] = p2; + blockData[blockBufferOffset + col + 24] = p3; + blockData[blockBufferOffset + col + 32] = p4; + blockData[blockBufferOffset + col + 40] = p5; + blockData[blockBufferOffset + col + 48] = p6; + blockData[blockBufferOffset + col + 56] = p7; + } + } + function buildComponentData(frame, component) { + var blocksPerLine = component.blocksPerLine; + var blocksPerColumn = component.blocksPerColumn; + var computationBuffer = new Int16Array(64); + for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) { + for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) { + var offset = getBlockBufferOffset(component, blockRow, blockCol); + quantizeAndInverse(component, offset, computationBuffer); + } + } + return component.blockData; + } + function clamp0to255(a) { + return a <= 0 ? 0 : a >= 255 ? 255 : a; + } + JpegImage.prototype = { + parse: function parse(data) { + function readUint16() { + var value = data[offset] << 8 | data[offset + 1]; + offset += 2; + return value; + } + function readDataBlock() { + var length = readUint16(); + var array = data.subarray(offset, offset + length - 2); + offset += array.length; + return array; + } + function prepareComponents(frame) { + var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH); + var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV); + for (var i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH); + var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV); + var blocksPerLineForMcu = mcusPerLine * component.h; + var blocksPerColumnForMcu = mcusPerColumn * component.v; + var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1); + component.blockData = new Int16Array(blocksBufferSize); + component.blocksPerLine = blocksPerLine; + component.blocksPerColumn = blocksPerColumn; + } + frame.mcusPerLine = mcusPerLine; + frame.mcusPerColumn = mcusPerColumn; + } + var offset = 0; + var jfif = null; + var adobe = null; + var frame, resetInterval; + var quantizationTables = []; + var huffmanTablesAC = [], huffmanTablesDC = []; + var fileMarker = readUint16(); + if (fileMarker !== 0xFFD8) { + // SOI (Start of Image) + error('JPEG error: SOI not found'); + } + fileMarker = readUint16(); + while (fileMarker !== 0xFFD9) { + // EOI (End of image) + var i, j, l; + switch (fileMarker) { + case 0xFFE0: + // APP0 (Application Specific) + case 0xFFE1: + // APP1 + case 0xFFE2: + // APP2 + case 0xFFE3: + // APP3 + case 0xFFE4: + // APP4 + case 0xFFE5: + // APP5 + case 0xFFE6: + // APP6 + case 0xFFE7: + // APP7 + case 0xFFE8: + // APP8 + case 0xFFE9: + // APP9 + case 0xFFEA: + // APP10 + case 0xFFEB: + // APP11 + case 0xFFEC: + // APP12 + case 0xFFED: + // APP13 + case 0xFFEE: + // APP14 + case 0xFFEF: + // APP15 + case 0xFFFE: + // COM (Comment) + var appData = readDataBlock(); + if (fileMarker === 0xFFE0) { + if (appData[0] === 0x4A && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) { + // 'JFIF\x00' + jfif = { + version: { + major: appData[5], + minor: appData[6] + }, + densityUnits: appData[7], + xDensity: appData[8] << 8 | appData[9], + yDensity: appData[10] << 8 | appData[11], + thumbWidth: appData[12], + thumbHeight: appData[13], + thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13]) + }; + } + } + // TODO APP1 - Exif + if (fileMarker === 0xFFEE) { + if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6F && appData[3] === 0x62 && appData[4] === 0x65) { + // 'Adobe' + adobe = { + version: appData[5] << 8 | appData[6], + flags0: appData[7] << 8 | appData[8], + flags1: appData[9] << 8 | appData[10], + transformCode: appData[11] + }; + } + } + break; + case 0xFFDB: + // DQT (Define Quantization Tables) + var quantizationTablesLength = readUint16(); + var quantizationTablesEnd = quantizationTablesLength + offset - 2; + var z; + while (offset < quantizationTablesEnd) { + var quantizationTableSpec = data[offset++]; + var tableData = new Uint16Array(64); + if (quantizationTableSpec >> 4 === 0) { + // 8 bit values + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = data[offset++]; + } + } else if (quantizationTableSpec >> 4 === 1) { + //16 bit + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = readUint16(); + } + } else { + error('JPEG error: DQT - invalid table spec'); + } + quantizationTables[quantizationTableSpec & 15] = tableData; + } + break; + case 0xFFC0: + // SOF0 (Start of Frame, Baseline DCT) + case 0xFFC1: + // SOF1 (Start of Frame, Extended DCT) + case 0xFFC2: + // SOF2 (Start of Frame, Progressive DCT) + if (frame) { + error('JPEG error: Only single frame JPEGs supported'); + } + readUint16(); + // skip data length + frame = {}; + frame.extended = fileMarker === 0xFFC1; + frame.progressive = fileMarker === 0xFFC2; + frame.precision = data[offset++]; + frame.scanLines = readUint16(); + frame.samplesPerLine = readUint16(); + frame.components = []; + frame.componentIds = {}; + var componentsCount = data[offset++], componentId; + var maxH = 0, maxV = 0; + for (i = 0; i < componentsCount; i++) { + componentId = data[offset]; + var h = data[offset + 1] >> 4; + var v = data[offset + 1] & 15; + if (maxH < h) { + maxH = h; + } + if (maxV < v) { + maxV = v; + } + var qId = data[offset + 2]; + l = frame.components.push({ + h: h, + v: v, + quantizationId: qId, + quantizationTable: null + }); + // See comment below. + frame.componentIds[componentId] = l - 1; + offset += 3; + } + frame.maxH = maxH; + frame.maxV = maxV; + prepareComponents(frame); + break; + case 0xFFC4: + // DHT (Define Huffman Tables) + var huffmanLength = readUint16(); + for (i = 2; i < huffmanLength;) { + var huffmanTableSpec = data[offset++]; + var codeLengths = new Uint8Array(16); + var codeLengthSum = 0; + for (j = 0; j < 16; j++, offset++) { + codeLengthSum += codeLengths[j] = data[offset]; + } + var huffmanValues = new Uint8Array(codeLengthSum); + for (j = 0; j < codeLengthSum; j++, offset++) { + huffmanValues[j] = data[offset]; + } + i += 17 + codeLengthSum; + (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues); + } + break; + case 0xFFDD: + // DRI (Define Restart Interval) + readUint16(); + // skip data length + resetInterval = readUint16(); + break; + case 0xFFDA: + // SOS (Start of Scan) + var scanLength = readUint16(); + var selectorsCount = data[offset++]; + var components = [], component; + for (i = 0; i < selectorsCount; i++) { + var componentIndex = frame.componentIds[data[offset++]]; + component = frame.components[componentIndex]; + var tableSpec = data[offset++]; + component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4]; + component.huffmanTableAC = huffmanTablesAC[tableSpec & 15]; + components.push(component); + } + var spectralStart = data[offset++]; + var spectralEnd = data[offset++]; + var successiveApproximation = data[offset++]; + var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15); + offset += processed; + break; + case 0xFFFF: + // Fill bytes + if (data[offset] !== 0xFF) { + // Avoid skipping a valid marker. + offset--; + } + break; + default: + if (data[offset - 3] === 0xFF && data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) { + // could be incorrect encoding -- last 0xFF byte of the previous + // block was eaten by the encoder + offset -= 3; + break; + } + error('JPEG error: unknown marker ' + fileMarker.toString(16)); + } + fileMarker = readUint16(); + } + this.width = frame.samplesPerLine; + this.height = frame.scanLines; + this.jfif = jfif; + this.adobe = adobe; + this.components = []; + for (i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + // Prevent errors when DQT markers are placed after SOF{n} markers, + // by assigning the `quantizationTable` entry after the entire image + // has been parsed (fixes issue7406.pdf). + var quantizationTable = quantizationTables[component.quantizationId]; + if (quantizationTable) { + component.quantizationTable = quantizationTable; + } + this.components.push({ + output: buildComponentData(frame, component), + scaleX: component.h / frame.maxH, + scaleY: component.v / frame.maxV, + blocksPerLine: component.blocksPerLine, + blocksPerColumn: component.blocksPerColumn + }); + } + this.numComponents = this.components.length; + }, + _getLinearizedBlockData: function getLinearizedBlockData(width, height) { + var scaleX = this.width / width, scaleY = this.height / height; + var component, componentScaleX, componentScaleY, blocksPerScanline; + var x, y, i, j, k; + var index; + var offset = 0; + var output; + var numComponents = this.components.length; + var dataLength = width * height * numComponents; + var data = new Uint8Array(dataLength); + var xScaleBlockOffset = new Uint32Array(width); + var mask3LSB = 0xfffffff8; + // used to clear the 3 LSBs + for (i = 0; i < numComponents; i++) { + component = this.components[i]; + componentScaleX = component.scaleX * scaleX; + componentScaleY = component.scaleY * scaleY; + offset = i; + output = component.output; + blocksPerScanline = component.blocksPerLine + 1 << 3; + // precalculate the xScaleBlockOffset + for (x = 0; x < width; x++) { + j = 0 | x * componentScaleX; + xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7; + } + // linearize the blocks of the component + for (y = 0; y < height; y++) { + j = 0 | y * componentScaleY; + index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3; + for (x = 0; x < width; x++) { + data[offset] = output[index + xScaleBlockOffset[x]]; + offset += numComponents; + } + } + } + // decodeTransform contains pairs of multiplier (-256..256) and additive + var transform = this.decodeTransform; + if (transform) { + for (i = 0; i < dataLength;) { + for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) { + data[i] = (data[i] * transform[k] >> 8) + transform[k + 1]; + } + } + } + return data; + }, + _isColorConversionNeeded: function isColorConversionNeeded() { + if (this.adobe && this.adobe.transformCode) { + // The adobe transform marker overrides any previous setting + return true; + } else if (this.numComponents === 3) { + if (!this.adobe && this.colorTransform === 0) { + // If the Adobe transform marker is not present and the image + // dictionary has a 'ColorTransform' entry, explicitly set to `0`, + // then the colours should *not* be transformed. + return false; + } + return true; + } else { + // `this.numComponents !== 3` + if (!this.adobe && this.colorTransform === 1) { + // If the Adobe transform marker is not present and the image + // dictionary has a 'ColorTransform' entry, explicitly set to `1`, + // then the colours should be transformed. + return true; + } + return false; + } + }, + _convertYccToRgb: function convertYccToRgb(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 3) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i] = clamp0to255(Y - 179.456 + 1.402 * Cr); + data[i + 1] = clamp0to255(Y + 135.459 - 0.344 * Cb - 0.714 * Cr); + data[i + 2] = clamp0to255(Y - 226.816 + 1.772 * Cb); + } + return data; + }, + _convertYcckToRgb: function convertYcckToRgb(data) { + var Y, Cb, Cr, k; + var offset = 0; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + k = data[i + 3]; + var r = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776); + var g = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665); + var b = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407); + data[offset++] = clamp0to255(r); + data[offset++] = clamp0to255(g); + data[offset++] = clamp0to255(b); + } + return data; + }, + _convertYcckToCmyk: function convertYcckToCmyk(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i] = clamp0to255(434.456 - Y - 1.402 * Cr); + data[i + 1] = clamp0to255(119.541 - Y + 0.344 * Cb + 0.714 * Cr); + data[i + 2] = clamp0to255(481.816 - Y - 1.772 * Cb); + } + // K in data[i + 3] is unchanged + return data; + }, + _convertCmykToRgb: function convertCmykToRgb(data) { + var c, m, y, k; + var offset = 0; + var min = -255 * 255 * 255; + var scale = 1 / 255 / 255; + for (var i = 0, length = data.length; i < length; i += 4) { + c = data[i]; + m = data[i + 1]; + y = data[i + 2]; + k = data[i + 3]; + var r = c * (-4.387332384609988 * c + 54.48615194189176 * m + 18.82290502165302 * y + 212.25662451639585 * k - 72734.4411664936) + m * (1.7149763477362134 * m - 5.6096736904047315 * y - 17.873870861415444 * k - 1401.7366389350734) + y * (-2.5217340131683033 * y - 21.248923337353073 * k + 4465.541406466231) - k * (21.86122147463605 * k + 48317.86113160301); + var g = c * (8.841041422036149 * c + 60.118027045597366 * m + 6.871425592049007 * y + 31.159100130055922 * k - 20220.756542821975) + m * (-15.310361306967817 * m + 17.575251261109482 * y + 131.35250912493976 * k - 48691.05921601825) + y * (4.444339102852739 * y + 9.8632861493405 * k - 6341.191035517494) - k * (20.737325471181034 * k + 47890.15695978492); + var b = c * (0.8842522430003296 * c + 8.078677503112928 * m + 30.89978309703729 * y - 0.23883238689178934 * k - 3616.812083916688) + m * (10.49593273432072 * m + 63.02378494754052 * y + 50.606957656360734 * k - 28620.90484698408) + y * (0.03296041114873217 * y + 115.60384449646641 * k - 49363.43385999684) - k * (22.33816807309886 * k + 45932.16563550634); + data[offset++] = r >= 0 ? 255 : r <= min ? 0 : 255 + r * scale | 0; + data[offset++] = g >= 0 ? 255 : g <= min ? 0 : 255 + g * scale | 0; + data[offset++] = b >= 0 ? 255 : b <= min ? 0 : 255 + b * scale | 0; + } + return data; + }, + getData: function getData(width, height, forceRGBoutput) { + if (this.numComponents > 4) { + error('JPEG error: Unsupported color mode'); + } + // type of data: Uint8Array(width * height * numComponents) + var data = this._getLinearizedBlockData(width, height); + if (this.numComponents === 1 && forceRGBoutput) { + var dataLength = data.length; + var rgbData = new Uint8Array(dataLength * 3); + var offset = 0; + for (var i = 0; i < dataLength; i++) { + var grayColor = data[i]; + rgbData[offset++] = grayColor; + rgbData[offset++] = grayColor; + rgbData[offset++] = grayColor; + } + return rgbData; + } else if (this.numComponents === 3 && this._isColorConversionNeeded()) { + return this._convertYccToRgb(data); + } else if (this.numComponents === 4) { + if (this._isColorConversionNeeded()) { + if (forceRGBoutput) { + return this._convertYcckToRgb(data); + } else { + return this._convertYcckToCmyk(data); + } + } else if (forceRGBoutput) { + return this._convertCmykToRgb(data); + } + } + return data; + } + }; + return JpegImage; + }(); + exports.JpegImage = JpegImage; + })); + (function (root, factory) { + factory(root.pdfjsCoreJpx = {}, root.pdfjsSharedUtil, root.pdfjsCoreArithmeticDecoder); + }(this, function (exports, sharedUtil, coreArithmeticDecoder) { + var info = sharedUtil.info; + var warn = sharedUtil.warn; + var error = sharedUtil.error; + var log2 = sharedUtil.log2; + var readUint16 = sharedUtil.readUint16; + var readUint32 = sharedUtil.readUint32; + var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + var JpxImage = function JpxImageClosure() { + // Table E.1 + var SubbandsGainLog2 = { + 'LL': 0, + 'LH': 1, + 'HL': 1, + 'HH': 2 + }; + function JpxImage() { + this.failOnCorruptedImage = false; + } + JpxImage.prototype = { + parse: function JpxImage_parse(data) { + var head = readUint16(data, 0); + // No box header, immediate start of codestream (SOC) + if (head === 0xFF4F) { + this.parseCodestream(data, 0, data.length); + return; + } + var position = 0, length = data.length; + while (position < length) { + var headerSize = 8; + var lbox = readUint32(data, position); + var tbox = readUint32(data, position + 4); + position += headerSize; + if (lbox === 1) { + // XLBox: read UInt64 according to spec. + // JavaScript's int precision of 53 bit should be sufficient here. + lbox = readUint32(data, position) * 4294967296 + readUint32(data, position + 4); + position += 8; + headerSize += 8; + } + if (lbox === 0) { + lbox = length - position + headerSize; + } + if (lbox < headerSize) { + error('JPX Error: Invalid box field size'); + } + var dataLength = lbox - headerSize; + var jumpDataLength = true; + switch (tbox) { + case 0x6A703268: + // 'jp2h' + jumpDataLength = false; + // parsing child boxes + break; + case 0x636F6C72: + // 'colr' + // Colorspaces are not used, the CS from the PDF is used. + var method = data[position]; + if (method === 1) { + // enumerated colorspace + var colorspace = readUint32(data, position + 3); + switch (colorspace) { + case 16: + // this indicates a sRGB colorspace + case 17: + // this indicates a grayscale colorspace + case 18: + // this indicates a YUV colorspace + break; + default: + warn('Unknown colorspace ' + colorspace); + break; + } + } else if (method === 2) { + info('ICC profile not supported'); + } + break; + case 0x6A703263: + // 'jp2c' + this.parseCodestream(data, position, position + dataLength); + break; + case 0x6A502020: + // 'jP\024\024' + if (0x0d0a870a !== readUint32(data, position)) { + warn('Invalid JP2 signature'); + } + break; + // The following header types are valid but currently not used: + case 0x6A501A1A: + // 'jP\032\032' + case 0x66747970: + // 'ftyp' + case 0x72726571: + // 'rreq' + case 0x72657320: + // 'res ' + case 0x69686472: + // 'ihdr' + break; + default: + var headerType = String.fromCharCode(tbox >> 24 & 0xFF, tbox >> 16 & 0xFF, tbox >> 8 & 0xFF, tbox & 0xFF); + warn('Unsupported header type ' + tbox + ' (' + headerType + ')'); + break; + } + if (jumpDataLength) { + position += dataLength; + } + } + }, + parseImageProperties: function JpxImage_parseImageProperties(stream) { + var newByte = stream.getByte(); + while (newByte >= 0) { + var oldByte = newByte; + newByte = stream.getByte(); + var code = oldByte << 8 | newByte; + // Image and tile size (SIZ) + if (code === 0xFF51) { + stream.skip(4); + var Xsiz = stream.getInt32() >>> 0; + // Byte 4 + var Ysiz = stream.getInt32() >>> 0; + // Byte 8 + var XOsiz = stream.getInt32() >>> 0; + // Byte 12 + var YOsiz = stream.getInt32() >>> 0; + // Byte 16 + stream.skip(16); + var Csiz = stream.getUint16(); + // Byte 36 + this.width = Xsiz - XOsiz; + this.height = Ysiz - YOsiz; + this.componentsCount = Csiz; + // Results are always returned as Uint8Arrays + this.bitsPerComponent = 8; + return; + } + } + error('JPX Error: No size marker found in JPX stream'); + }, + parseCodestream: function JpxImage_parseCodestream(data, start, end) { + var context = {}; + var doNotRecover = false; + try { + var position = start; + while (position + 1 < end) { + var code = readUint16(data, position); + position += 2; + var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile; + switch (code) { + case 0xFF4F: + // Start of codestream (SOC) + context.mainHeader = true; + break; + case 0xFFD9: + // End of codestream (EOC) + break; + case 0xFF51: + // Image and tile size (SIZ) + length = readUint16(data, position); + var siz = {}; + siz.Xsiz = readUint32(data, position + 4); + siz.Ysiz = readUint32(data, position + 8); + siz.XOsiz = readUint32(data, position + 12); + siz.YOsiz = readUint32(data, position + 16); + siz.XTsiz = readUint32(data, position + 20); + siz.YTsiz = readUint32(data, position + 24); + siz.XTOsiz = readUint32(data, position + 28); + siz.YTOsiz = readUint32(data, position + 32); + var componentsCount = readUint16(data, position + 36); + siz.Csiz = componentsCount; + var components = []; + j = position + 38; + for (var i = 0; i < componentsCount; i++) { + var component = { + precision: (data[j] & 0x7F) + 1, + isSigned: !!(data[j] & 0x80), + XRsiz: data[j + 1], + YRsiz: data[j + 1] + }; + calculateComponentDimensions(component, siz); + components.push(component); + } + context.SIZ = siz; + context.components = components; + calculateTileGrids(context, components); + context.QCC = []; + context.COC = []; + break; + case 0xFF5C: + // Quantization default (QCD) + length = readUint16(data, position); + var qcd = {}; + j = position + 2; + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('Invalid SQcd value ' + sqcd); + } + qcd.noQuantization = spqcdSize === 8; + qcd.scalarExpounded = scalarExpounded; + qcd.guardBits = sqcd >> 5; + spqcds = []; + while (j < length + position) { + var spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcd.SPqcds = spqcds; + if (context.mainHeader) { + context.QCD = qcd; + } else { + context.currentTile.QCD = qcd; + context.currentTile.QCC = []; + } + break; + case 0xFF5D: + // Quantization component (QCC) + length = readUint16(data, position); + var qcc = {}; + j = position + 2; + var cqcc; + if (context.SIZ.Csiz < 257) { + cqcc = data[j++]; + } else { + cqcc = readUint16(data, j); + j += 2; + } + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('Invalid SQcd value ' + sqcd); + } + qcc.noQuantization = spqcdSize === 8; + qcc.scalarExpounded = scalarExpounded; + qcc.guardBits = sqcd >> 5; + spqcds = []; + while (j < length + position) { + spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcc.SPqcds = spqcds; + if (context.mainHeader) { + context.QCC[cqcc] = qcc; + } else { + context.currentTile.QCC[cqcc] = qcc; + } + break; + case 0xFF52: + // Coding style default (COD) + length = readUint16(data, position); + var cod = {}; + j = position + 2; + var scod = data[j++]; + cod.entropyCoderWithCustomPrecincts = !!(scod & 1); + cod.sopMarkerUsed = !!(scod & 2); + cod.ephMarkerUsed = !!(scod & 4); + cod.progressionOrder = data[j++]; + cod.layersCount = readUint16(data, j); + j += 2; + cod.multipleComponentTransform = data[j++]; + cod.decompositionLevelsCount = data[j++]; + cod.xcb = (data[j++] & 0xF) + 2; + cod.ycb = (data[j++] & 0xF) + 2; + var blockStyle = data[j++]; + cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1); + cod.resetContextProbabilities = !!(blockStyle & 2); + cod.terminationOnEachCodingPass = !!(blockStyle & 4); + cod.verticalyStripe = !!(blockStyle & 8); + cod.predictableTermination = !!(blockStyle & 16); + cod.segmentationSymbolUsed = !!(blockStyle & 32); + cod.reversibleTransformation = data[j++]; + if (cod.entropyCoderWithCustomPrecincts) { + var precinctsSizes = []; + while (j < length + position) { + var precinctsSize = data[j++]; + precinctsSizes.push({ + PPx: precinctsSize & 0xF, + PPy: precinctsSize >> 4 + }); + } + cod.precinctsSizes = precinctsSizes; + } + var unsupported = []; + if (cod.selectiveArithmeticCodingBypass) { + unsupported.push('selectiveArithmeticCodingBypass'); + } + if (cod.resetContextProbabilities) { + unsupported.push('resetContextProbabilities'); + } + if (cod.terminationOnEachCodingPass) { + unsupported.push('terminationOnEachCodingPass'); + } + if (cod.verticalyStripe) { + unsupported.push('verticalyStripe'); + } + if (cod.predictableTermination) { + unsupported.push('predictableTermination'); + } + if (unsupported.length > 0) { + doNotRecover = true; + throw new Error('Unsupported COD options (' + unsupported.join(', ') + ')'); + } + if (context.mainHeader) { + context.COD = cod; + } else { + context.currentTile.COD = cod; + context.currentTile.COC = []; + } + break; + case 0xFF90: + // Start of tile-part (SOT) + length = readUint16(data, position); + tile = {}; + tile.index = readUint16(data, position + 2); + tile.length = readUint32(data, position + 4); + tile.dataEnd = tile.length + position - 2; + tile.partIndex = data[position + 8]; + tile.partsCount = data[position + 9]; + context.mainHeader = false; + if (tile.partIndex === 0) { + // reset component specific settings + tile.COD = context.COD; + tile.COC = context.COC.slice(0); + // clone of the global COC + tile.QCD = context.QCD; + tile.QCC = context.QCC.slice(0); + } + // clone of the global COC + context.currentTile = tile; + break; + case 0xFF93: + // Start of data (SOD) + tile = context.currentTile; + if (tile.partIndex === 0) { + initializeTile(context, tile.index); + buildPackets(context); + } + // moving to the end of the data + length = tile.dataEnd - position; + parseTilePackets(context, data, position, length); + break; + case 0xFF55: + // Tile-part lengths, main header (TLM) + case 0xFF57: + // Packet length, main header (PLM) + case 0xFF58: + // Packet length, tile-part header (PLT) + case 0xFF64: + // Comment (COM) + length = readUint16(data, position); + // skipping content + break; + case 0xFF53: + // Coding style component (COC) + throw new Error('Codestream code 0xFF53 (COC) is ' + 'not implemented'); + default: + throw new Error('Unknown codestream code: ' + code.toString(16)); + } + position += length; + } + } catch (e) { + if (doNotRecover || this.failOnCorruptedImage) { + error('JPX Error: ' + e.message); + } else { + warn('JPX: Trying to recover from: ' + e.message); + } + } + this.tiles = transformComponents(context); + this.width = context.SIZ.Xsiz - context.SIZ.XOsiz; + this.height = context.SIZ.Ysiz - context.SIZ.YOsiz; + this.componentsCount = context.SIZ.Csiz; + } + }; + function calculateComponentDimensions(component, siz) { + // Section B.2 Component mapping + component.x0 = Math.ceil(siz.XOsiz / component.XRsiz); + component.x1 = Math.ceil(siz.Xsiz / component.XRsiz); + component.y0 = Math.ceil(siz.YOsiz / component.YRsiz); + component.y1 = Math.ceil(siz.Ysiz / component.YRsiz); + component.width = component.x1 - component.x0; + component.height = component.y1 - component.y0; + } + function calculateTileGrids(context, components) { + var siz = context.SIZ; + // Section B.3 Division into tile and tile-components + var tile, tiles = []; + var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz); + var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz); + for (var q = 0; q < numYtiles; q++) { + for (var p = 0; p < numXtiles; p++) { + tile = {}; + tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz); + tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz); + tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz); + tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz); + tile.width = tile.tx1 - tile.tx0; + tile.height = tile.ty1 - tile.ty0; + tile.components = []; + tiles.push(tile); + } + } + context.tiles = tiles; + var componentsCount = siz.Csiz; + for (var i = 0, ii = componentsCount; i < ii; i++) { + var component = components[i]; + for (var j = 0, jj = tiles.length; j < jj; j++) { + var tileComponent = {}; + tile = tiles[j]; + tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz); + tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz); + tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz); + tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz); + tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0; + tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0; + tile.components[i] = tileComponent; + } + } + } + function getBlocksDimensions(context, component, r) { + var codOrCoc = component.codingStyleParameters; + var result = {}; + if (!codOrCoc.entropyCoderWithCustomPrecincts) { + result.PPx = 15; + result.PPy = 15; + } else { + result.PPx = codOrCoc.precinctsSizes[r].PPx; + result.PPy = codOrCoc.precinctsSizes[r].PPy; + } + // calculate codeblock size as described in section B.7 + result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx); + result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy); + return result; + } + function buildPrecincts(context, resolution, dimensions) { + // Section B.6 Division resolution to precincts + var precinctWidth = 1 << dimensions.PPx; + var precinctHeight = 1 << dimensions.PPy; + // Jasper introduces codeblock groups for mapping each subband codeblocks + // to precincts. Precinct partition divides a resolution according to width + // and height parameters. The subband that belongs to the resolution level + // has a different size than the level, unless it is the zero resolution. + // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding: + // The precinct partitioning for a particular subband is derived from a + // partitioning of its parent LL band (i.e., the LL band at the next higher + // resolution level)... The LL band associated with each resolution level is + // divided into precincts... Each of the resulting precinct regions is then + // mapped into its child subbands (if any) at the next lower resolution + // level. This is accomplished by using the coordinate transformation + // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the + // coordinates of a point in the LL band and child subband, respectively. + var isZeroRes = resolution.resLevel === 0; + var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1); + var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1); + var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0; + var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0; + var numprecincts = numprecinctswide * numprecinctshigh; + resolution.precinctParameters = { + precinctWidth: precinctWidth, + precinctHeight: precinctHeight, + numprecinctswide: numprecinctswide, + numprecinctshigh: numprecinctshigh, + numprecincts: numprecincts, + precinctWidthInSubband: precinctWidthInSubband, + precinctHeightInSubband: precinctHeightInSubband + }; + } + function buildCodeblocks(context, subband, dimensions) { + // Section B.7 Division sub-band into code-blocks + var xcb_ = dimensions.xcb_; + var ycb_ = dimensions.ycb_; + var codeblockWidth = 1 << xcb_; + var codeblockHeight = 1 << ycb_; + var cbx0 = subband.tbx0 >> xcb_; + var cby0 = subband.tby0 >> ycb_; + var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_; + var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_; + var precinctParameters = subband.resolution.precinctParameters; + var codeblocks = []; + var precincts = []; + var i, j, codeblock, precinctNumber; + for (j = cby0; j < cby1; j++) { + for (i = cbx0; i < cbx1; i++) { + codeblock = { + cbx: i, + cby: j, + tbx0: codeblockWidth * i, + tby0: codeblockHeight * j, + tbx1: codeblockWidth * (i + 1), + tby1: codeblockHeight * (j + 1) + }; + codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0); + codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0); + codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1); + codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1); + // Calculate precinct number for this codeblock, codeblock position + // should be relative to its subband, use actual dimension and position + // See comment about codeblock group width and height + var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband); + var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband); + precinctNumber = pi + pj * precinctParameters.numprecinctswide; + codeblock.precinctNumber = precinctNumber; + codeblock.subbandType = subband.type; + codeblock.Lblock = 3; + if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) { + continue; + } + codeblocks.push(codeblock); + // building precinct for the sub-band + var precinct = precincts[precinctNumber]; + if (precinct !== undefined) { + if (i < precinct.cbxMin) { + precinct.cbxMin = i; + } else if (i > precinct.cbxMax) { + precinct.cbxMax = i; + } + if (j < precinct.cbyMin) { + precinct.cbxMin = j; + } else if (j > precinct.cbyMax) { + precinct.cbyMax = j; + } + } else { + precincts[precinctNumber] = precinct = { + cbxMin: i, + cbyMin: j, + cbxMax: i, + cbyMax: j + }; + } + codeblock.precinct = precinct; + } + } + subband.codeblockParameters = { + codeblockWidth: xcb_, + codeblockHeight: ycb_, + numcodeblockwide: cbx1 - cbx0 + 1, + numcodeblockhigh: cby1 - cby0 + 1 + }; + subband.codeblocks = codeblocks; + subband.precincts = precincts; + } + function createPacket(resolution, precinctNumber, layerNumber) { + var precinctCodeblocks = []; + // Section B.10.8 Order of info in packet + var subbands = resolution.subbands; + // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence + for (var i = 0, ii = subbands.length; i < ii; i++) { + var subband = subbands[i]; + var codeblocks = subband.codeblocks; + for (var j = 0, jj = codeblocks.length; j < jj; j++) { + var codeblock = codeblocks[j]; + if (codeblock.precinctNumber !== precinctNumber) { + continue; + } + precinctCodeblocks.push(codeblock); + } + } + return { + layerNumber: layerNumber, + codeblocks: precinctCodeblocks + }; + } + function LayerResolutionComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + var l = 0, r = 0, i = 0, k = 0; + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.1 Layer-resolution-component-position + for (; l < layersCount; l++) { + for (; r <= maxDecompositionLevelsCount; r++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + r = 0; + } + error('JPX Error: Out of packets'); + }; + } + function ResolutionLayerComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + var r = 0, l = 0, i = 0, k = 0; + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.2 Resolution-layer-component-position + for (; r <= maxDecompositionLevelsCount; r++) { + for (; l < layersCount; l++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + l = 0; + } + error('JPX Error: Out of packets'); + }; + } + function ResolutionPositionComponentLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var l, r, c, p; + var maxDecompositionLevelsCount = 0; + for (c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount); + } + var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1); + for (r = 0; r <= maxDecompositionLevelsCount; ++r) { + var maxNumPrecincts = 0; + for (c = 0; c < componentsCount; ++c) { + var resolutions = tile.components[c].resolutions; + if (r < resolutions.length) { + maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts); + } + } + maxNumPrecinctsInLevel[r] = maxNumPrecincts; + } + l = 0; + r = 0; + c = 0; + p = 0; + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.3 Resolution-position-component-layer + for (; r <= maxDecompositionLevelsCount; r++) { + for (; p < maxNumPrecinctsInLevel[r]; p++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + if (p >= numprecincts) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, p, l); + l++; + return packet; + } + l = 0; + } + c = 0; + } + p = 0; + } + error('JPX Error: Out of packets'); + }; + } + function PositionComponentResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var precinctsIterationSizes = precinctsSizes; + var l = 0, r = 0, c = 0, px = 0, py = 0; + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.4 Position-component-resolution-layer + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount; + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = precinctsSizes.components[c].resolutions[r]; + var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + c = 0; + } + px = 0; + } + error('JPX Error: Out of packets'); + }; + } + function ComponentPositionResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var l = 0, r = 0, c = 0, px = 0, py = 0; + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.5 Component-position-resolution-layer + for (; c < componentsCount; ++c) { + var component = tile.components[c]; + var precinctsIterationSizes = precinctsSizes.components[c]; + var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount; + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = precinctsIterationSizes.resolutions[r]; + var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + px = 0; + } + py = 0; + } + error('JPX Error: Out of packets'); + }; + } + function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) { + var posX = pxIndex * precinctIterationSizes.minWidth; + var posY = pyIndex * precinctIterationSizes.minHeight; + if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) { + return null; + } + var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide; + return posX / sizeInImageScale.height + startPrecinctRowIndex; + } + function getPrecinctSizesInImageScale(tile) { + var componentsCount = tile.components.length; + var minWidth = Number.MAX_VALUE; + var minHeight = Number.MAX_VALUE; + var maxNumWide = 0; + var maxNumHigh = 0; + var sizePerComponent = new Array(componentsCount); + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount; + var sizePerResolution = new Array(decompositionLevelsCount + 1); + var minWidthCurrentComponent = Number.MAX_VALUE; + var minHeightCurrentComponent = Number.MAX_VALUE; + var maxNumWideCurrentComponent = 0; + var maxNumHighCurrentComponent = 0; + var scale = 1; + for (var r = decompositionLevelsCount; r >= 0; --r) { + var resolution = component.resolutions[r]; + var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth; + var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight; + minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution); + minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution); + maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide); + maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh); + sizePerResolution[r] = { + width: widthCurrentResolution, + height: heightCurrentResolution + }; + scale <<= 1; + } + minWidth = Math.min(minWidth, minWidthCurrentComponent); + minHeight = Math.min(minHeight, minHeightCurrentComponent); + maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent); + maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent); + sizePerComponent[c] = { + resolutions: sizePerResolution, + minWidth: minWidthCurrentComponent, + minHeight: minHeightCurrentComponent, + maxNumWide: maxNumWideCurrentComponent, + maxNumHigh: maxNumHighCurrentComponent + }; + } + return { + components: sizePerComponent, + minWidth: minWidth, + minHeight: minHeight, + maxNumWide: maxNumWide, + maxNumHigh: maxNumHigh + }; + } + function buildPackets(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var componentsCount = siz.Csiz; + // Creating resolutions and sub-bands for each component + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount; + // Section B.5 Resolution levels and sub-bands + var resolutions = []; + var subbands = []; + for (var r = 0; r <= decompositionLevelsCount; r++) { + var blocksDimensions = getBlocksDimensions(context, component, r); + var resolution = {}; + var scale = 1 << decompositionLevelsCount - r; + resolution.trx0 = Math.ceil(component.tcx0 / scale); + resolution.try0 = Math.ceil(component.tcy0 / scale); + resolution.trx1 = Math.ceil(component.tcx1 / scale); + resolution.try1 = Math.ceil(component.tcy1 / scale); + resolution.resLevel = r; + buildPrecincts(context, resolution, blocksDimensions); + resolutions.push(resolution); + var subband; + if (r === 0) { + // one sub-band (LL) with last decomposition + subband = {}; + subband.type = 'LL'; + subband.tbx0 = Math.ceil(component.tcx0 / scale); + subband.tby0 = Math.ceil(component.tcy0 / scale); + subband.tbx1 = Math.ceil(component.tcx1 / scale); + subband.tby1 = Math.ceil(component.tcy1 / scale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolution.subbands = [subband]; + } else { + var bscale = 1 << decompositionLevelsCount - r + 1; + var resolutionSubbands = []; + // three sub-bands (HL, LH and HH) with rest of decompositions + subband = {}; + subband.type = 'HL'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + subband = {}; + subband.type = 'LH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + subband = {}; + subband.type = 'HH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + resolution.subbands = resolutionSubbands; + } + } + component.resolutions = resolutions; + component.subbands = subbands; + } + // Generate the packets sequence + var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder; + switch (progressionOrder) { + case 0: + tile.packetsIterator = new LayerResolutionComponentPositionIterator(context); + break; + case 1: + tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context); + break; + case 2: + tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context); + break; + case 3: + tile.packetsIterator = new PositionComponentResolutionLayerIterator(context); + break; + case 4: + tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context); + break; + default: + error('JPX Error: Unsupported progression order ' + progressionOrder); + } + } + function parseTilePackets(context, data, offset, dataLength) { + var position = 0; + var buffer, bufferSize = 0, skipNextBit = false; + function readBits(count) { + while (bufferSize < count) { + var b = data[offset + position]; + position++; + if (skipNextBit) { + buffer = buffer << 7 | b; + bufferSize += 7; + skipNextBit = false; + } else { + buffer = buffer << 8 | b; + bufferSize += 8; + } + if (b === 0xFF) { + skipNextBit = true; + } + } + bufferSize -= count; + return buffer >>> bufferSize & (1 << count) - 1; + } + function skipMarkerIfEqual(value) { + if (data[offset + position - 1] === 0xFF && data[offset + position] === value) { + skipBytes(1); + return true; + } else if (data[offset + position] === 0xFF && data[offset + position + 1] === value) { + skipBytes(2); + return true; + } + return false; + } + function skipBytes(count) { + position += count; + } + function alignToByte() { + bufferSize = 0; + if (skipNextBit) { + position++; + skipNextBit = false; + } + } + function readCodingpasses() { + if (readBits(1) === 0) { + return 1; + } + if (readBits(1) === 0) { + return 2; + } + var value = readBits(2); + if (value < 3) { + return value + 3; + } + value = readBits(5); + if (value < 31) { + return value + 6; + } + value = readBits(7); + return value + 37; + } + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var sopMarkerUsed = context.COD.sopMarkerUsed; + var ephMarkerUsed = context.COD.ephMarkerUsed; + var packetsIterator = tile.packetsIterator; + while (position < dataLength) { + alignToByte(); + if (sopMarkerUsed && skipMarkerIfEqual(0x91)) { + // Skip also marker segment length and packet sequence ID + skipBytes(4); + } + var packet = packetsIterator.nextPacket(); + if (!readBits(1)) { + continue; + } + var layerNumber = packet.layerNumber; + var queue = [], codeblock; + for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) { + codeblock = packet.codeblocks[i]; + var precinct = codeblock.precinct; + var codeblockColumn = codeblock.cbx - precinct.cbxMin; + var codeblockRow = codeblock.cby - precinct.cbyMin; + var codeblockIncluded = false; + var firstTimeInclusion = false; + var valueReady; + if (codeblock['included'] !== undefined) { + codeblockIncluded = !!readBits(1); + } else { + // reading inclusion tree + precinct = codeblock.precinct; + var inclusionTree, zeroBitPlanesTree; + if (precinct['inclusionTree'] !== undefined) { + inclusionTree = precinct.inclusionTree; + } else { + // building inclusion and zero bit-planes trees + var width = precinct.cbxMax - precinct.cbxMin + 1; + var height = precinct.cbyMax - precinct.cbyMin + 1; + inclusionTree = new InclusionTree(width, height, layerNumber); + zeroBitPlanesTree = new TagTree(width, height); + precinct.inclusionTree = inclusionTree; + precinct.zeroBitPlanesTree = zeroBitPlanesTree; + } + if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) { + while (true) { + if (readBits(1)) { + valueReady = !inclusionTree.nextLevel(); + if (valueReady) { + codeblock.included = true; + codeblockIncluded = firstTimeInclusion = true; + break; + } + } else { + inclusionTree.incrementValue(layerNumber); + break; + } + } + } + } + if (!codeblockIncluded) { + continue; + } + if (firstTimeInclusion) { + zeroBitPlanesTree = precinct.zeroBitPlanesTree; + zeroBitPlanesTree.reset(codeblockColumn, codeblockRow); + while (true) { + if (readBits(1)) { + valueReady = !zeroBitPlanesTree.nextLevel(); + if (valueReady) { + break; + } + } else { + zeroBitPlanesTree.incrementValue(); + } + } + codeblock.zeroBitPlanes = zeroBitPlanesTree.value; + } + var codingpasses = readCodingpasses(); + while (readBits(1)) { + codeblock.Lblock++; + } + var codingpassesLog2 = log2(codingpasses); + // rounding down log2 + var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock; + var codedDataLength = readBits(bits); + queue.push({ + codeblock: codeblock, + codingpasses: codingpasses, + dataLength: codedDataLength + }); + } + alignToByte(); + if (ephMarkerUsed) { + skipMarkerIfEqual(0x92); + } + while (queue.length > 0) { + var packetItem = queue.shift(); + codeblock = packetItem.codeblock; + if (codeblock['data'] === undefined) { + codeblock.data = []; + } + codeblock.data.push({ + data: data, + start: offset + position, + end: offset + position + packetItem.dataLength, + codingpasses: packetItem.codingpasses + }); + position += packetItem.dataLength; + } + } + return position; + } + function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) { + var x0 = subband.tbx0; + var y0 = subband.tby0; + var width = subband.tbx1 - subband.tbx0; + var codeblocks = subband.codeblocks; + var right = subband.type.charAt(0) === 'H' ? 1 : 0; + var bottom = subband.type.charAt(1) === 'H' ? levelWidth : 0; + for (var i = 0, ii = codeblocks.length; i < ii; ++i) { + var codeblock = codeblocks[i]; + var blockWidth = codeblock.tbx1_ - codeblock.tbx0_; + var blockHeight = codeblock.tby1_ - codeblock.tby0_; + if (blockWidth === 0 || blockHeight === 0) { + continue; + } + if (codeblock['data'] === undefined) { + continue; + } + var bitModel, currentCodingpassType; + bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb); + currentCodingpassType = 2; + // first bit plane starts from cleanup + // collect data + var data = codeblock.data, totalLength = 0, codingpasses = 0; + var j, jj, dataItem; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + totalLength += dataItem.end - dataItem.start; + codingpasses += dataItem.codingpasses; + } + var encodedData = new Uint8Array(totalLength); + var position = 0; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + var chunk = dataItem.data.subarray(dataItem.start, dataItem.end); + encodedData.set(chunk, position); + position += chunk.length; + } + // decoding the item + var decoder = new ArithmeticDecoder(encodedData, 0, totalLength); + bitModel.setDecoder(decoder); + for (j = 0; j < codingpasses; j++) { + switch (currentCodingpassType) { + case 0: + bitModel.runSignificancePropagationPass(); + break; + case 1: + bitModel.runMagnitudeRefinementPass(); + break; + case 2: + bitModel.runCleanupPass(); + if (segmentationSymbolUsed) { + bitModel.checkSegmentationSymbol(); + } + break; + } + currentCodingpassType = (currentCodingpassType + 1) % 3; + } + var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width; + var sign = bitModel.coefficentsSign; + var magnitude = bitModel.coefficentsMagnitude; + var bitsDecoded = bitModel.bitsDecoded; + var magnitudeCorrection = reversible ? 0 : 0.5; + var k, n, nb; + position = 0; + // Do the interleaving of Section F.3.3 here, so we do not need + // to copy later. LL level is not interleaved, just copied. + var interleave = subband.type !== 'LL'; + for (j = 0; j < blockHeight; j++) { + var row = offset / width | 0; + // row in the non-interleaved subband + var levelOffset = 2 * row * (levelWidth - width) + right + bottom; + for (k = 0; k < blockWidth; k++) { + n = magnitude[position]; + if (n !== 0) { + n = (n + magnitudeCorrection) * delta; + if (sign[position] !== 0) { + n = -n; + } + nb = bitsDecoded[position]; + var pos = interleave ? levelOffset + (offset << 1) : offset; + if (reversible && nb >= mb) { + coefficients[pos] = n; + } else { + coefficients[pos] = n * (1 << mb - nb); + } + } + offset++; + position++; + } + offset += width - blockWidth; + } + } + } + function transformTile(context, tile, c) { + var component = tile.components[c]; + var codingStyleParameters = component.codingStyleParameters; + var quantizationParameters = component.quantizationParameters; + var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount; + var spqcds = quantizationParameters.SPqcds; + var scalarExpounded = quantizationParameters.scalarExpounded; + var guardBits = quantizationParameters.guardBits; + var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed; + var precision = context.components[c].precision; + var reversible = codingStyleParameters.reversibleTransformation; + var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform(); + var subbandCoefficients = []; + var b = 0; + for (var i = 0; i <= decompositionLevelsCount; i++) { + var resolution = component.resolutions[i]; + var width = resolution.trx1 - resolution.trx0; + var height = resolution.try1 - resolution.try0; + // Allocate space for the whole sublevel. + var coefficients = new Float32Array(width * height); + for (var j = 0, jj = resolution.subbands.length; j < jj; j++) { + var mu, epsilon; + if (!scalarExpounded) { + // formula E-5 + mu = spqcds[0].mu; + epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0); + } else { + mu = spqcds[b].mu; + epsilon = spqcds[b].epsilon; + b++; + } + var subband = resolution.subbands[j]; + var gainLog2 = SubbandsGainLog2[subband.type]; + // calculate quantization coefficient (Section E.1.1.1) + var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048); + var mb = guardBits + epsilon - 1; + // In the first resolution level, copyCoefficients will fill the + // whole array with coefficients. In the succeeding passes, + // copyCoefficients will consecutively fill in the values that belong + // to the interleaved positions of the HL, LH, and HH coefficients. + // The LL coefficients will then be interleaved in Transform.iterate(). + copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed); + } + subbandCoefficients.push({ + width: width, + height: height, + items: coefficients + }); + } + var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0); + return { + left: component.tcx0, + top: component.tcy0, + width: result.width, + height: result.height, + items: result.items + }; + } + function transformComponents(context) { + var siz = context.SIZ; + var components = context.components; + var componentsCount = siz.Csiz; + var resultImages = []; + for (var i = 0, ii = context.tiles.length; i < ii; i++) { + var tile = context.tiles[i]; + var transformedTiles = []; + var c; + for (c = 0; c < componentsCount; c++) { + transformedTiles[c] = transformTile(context, tile, c); + } + var tile0 = transformedTiles[0]; + var out = new Uint8Array(tile0.items.length * componentsCount); + var result = { + left: tile0.left, + top: tile0.top, + width: tile0.width, + height: tile0.height, + items: out + }; + // Section G.2.2 Inverse multi component transform + var shift, offset, max, min, maxK; + var pos = 0, j, jj, y0, y1, y2, r, g, b, k, val; + if (tile.codingStyleDefaultParameters.multipleComponentTransform) { + var fourComponents = componentsCount === 4; + var y0items = transformedTiles[0].items; + var y1items = transformedTiles[1].items; + var y2items = transformedTiles[2].items; + var y3items = fourComponents ? transformedTiles[3].items : null; + // HACK: The multiple component transform formulas below assume that + // all components have the same precision. With this in mind, we + // compute shift and offset only once. + shift = components[0].precision - 8; + offset = (128 << shift) + 0.5; + max = 255 * (1 << shift); + maxK = max * 0.5; + min = -maxK; + var component0 = tile.components[0]; + var alpha01 = componentsCount - 3; + jj = y0items.length; + if (!component0.codingStyleParameters.reversibleTransformation) { + // inverse irreversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + r = y0 + 1.402 * y2; + g = y0 - 0.34413 * y1 - 0.71414 * y2; + b = y0 + 1.772 * y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } else { + // inverse reversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + g = y0 - (y2 + y1 >> 2); + r = g + y2; + b = g + y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } + if (fourComponents) { + for (j = 0, pos = 3; j < jj; j++, pos += 4) { + k = y3items[j]; + out[pos] = k <= min ? 0 : k >= maxK ? 255 : k + offset >> shift; + } + } + } else { + // no multi-component transform + for (c = 0; c < componentsCount; c++) { + var items = transformedTiles[c].items; + shift = components[c].precision - 8; + offset = (128 << shift) + 0.5; + max = 127.5 * (1 << shift); + min = -max; + for (pos = c, j = 0, jj = items.length; j < jj; j++) { + val = items[j]; + out[pos] = val <= min ? 0 : val >= max ? 255 : val + offset >> shift; + pos += componentsCount; + } + } + } + resultImages.push(result); + } + return resultImages; + } + function initializeTile(context, tileIndex) { + var siz = context.SIZ; + var componentsCount = siz.Csiz; + var tile = context.tiles[tileIndex]; + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD; + component.quantizationParameters = qcdOrQcc; + var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD; + component.codingStyleParameters = codOrCoc; + } + tile.codingStyleDefaultParameters = context.currentTile.COD; + } + // Section B.10.2 Tag trees + var TagTree = function TagTreeClosure() { + function TagTree(width, height) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var level = { + width: width, + height: height, + items: [] + }; + this.levels.push(level); + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + TagTree.prototype = { + reset: function TagTree_reset(i, j) { + var currentLevel = 0, value = 0, level; + while (currentLevel < this.levels.length) { + level = this.levels[currentLevel]; + var index = i + j * level.width; + if (level.items[index] !== undefined) { + value = level.items[index]; + break; + } + level.index = index; + i >>= 1; + j >>= 1; + currentLevel++; + } + currentLevel--; + level = this.levels[currentLevel]; + level.items[level.index] = value; + this.currentLevel = currentLevel; + delete this.value; + }, + incrementValue: function TagTree_incrementValue() { + var level = this.levels[this.currentLevel]; + level.items[level.index]++; + }, + nextLevel: function TagTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + currentLevel--; + if (currentLevel < 0) { + this.value = value; + return false; + } + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return TagTree; + }(); + var InclusionTree = function InclusionTreeClosure() { + function InclusionTree(width, height, defaultValue) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var items = new Uint8Array(width * height); + for (var j = 0, jj = items.length; j < jj; j++) { + items[j] = defaultValue; + } + var level = { + width: width, + height: height, + items: items + }; + this.levels.push(level); + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + InclusionTree.prototype = { + reset: function InclusionTree_reset(i, j, stopValue) { + var currentLevel = 0; + while (currentLevel < this.levels.length) { + var level = this.levels[currentLevel]; + var index = i + j * level.width; + level.index = index; + var value = level.items[index]; + if (value === 0xFF) { + break; + } + if (value > stopValue) { + this.currentLevel = currentLevel; + // already know about this one, propagating the value to top levels + this.propagateValues(); + return false; + } + i >>= 1; + j >>= 1; + currentLevel++; + } + this.currentLevel = currentLevel - 1; + return true; + }, + incrementValue: function InclusionTree_incrementValue(stopValue) { + var level = this.levels[this.currentLevel]; + level.items[level.index] = stopValue + 1; + this.propagateValues(); + }, + propagateValues: function InclusionTree_propagateValues() { + var levelIndex = this.currentLevel; + var level = this.levels[levelIndex]; + var currentValue = level.items[level.index]; + while (--levelIndex >= 0) { + level = this.levels[levelIndex]; + level.items[level.index] = currentValue; + } + }, + nextLevel: function InclusionTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + level.items[level.index] = 0xFF; + currentLevel--; + if (currentLevel < 0) { + return false; + } + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return InclusionTree; + }(); + // Section D. Coefficient bit modeling + var BitModel = function BitModelClosure() { + var UNIFORM_CONTEXT = 17; + var RUNLENGTH_CONTEXT = 18; + // Table D-1 + // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4), + // vv - sum of Vi (0..2), and hh - sum of Hi (0..2) + var LLAndLHContextsLabel = new Uint8Array([ + 0, + 5, + 8, + 0, + 3, + 7, + 8, + 0, + 4, + 7, + 8, + 0, + 0, + 0, + 0, + 0, + 1, + 6, + 8, + 0, + 3, + 7, + 8, + 0, + 4, + 7, + 8, + 0, + 0, + 0, + 0, + 0, + 2, + 6, + 8, + 0, + 3, + 7, + 8, + 0, + 4, + 7, + 8, + 0, + 0, + 0, + 0, + 0, + 2, + 6, + 8, + 0, + 3, + 7, + 8, + 0, + 4, + 7, + 8, + 0, + 0, + 0, + 0, + 0, + 2, + 6, + 8, + 0, + 3, + 7, + 8, + 0, + 4, + 7, + 8 + ]); + var HLContextLabel = new Uint8Array([ + 0, + 3, + 4, + 0, + 5, + 7, + 7, + 0, + 8, + 8, + 8, + 0, + 0, + 0, + 0, + 0, + 1, + 3, + 4, + 0, + 6, + 7, + 7, + 0, + 8, + 8, + 8, + 0, + 0, + 0, + 0, + 0, + 2, + 3, + 4, + 0, + 6, + 7, + 7, + 0, + 8, + 8, + 8, + 0, + 0, + 0, + 0, + 0, + 2, + 3, + 4, + 0, + 6, + 7, + 7, + 0, + 8, + 8, + 8, + 0, + 0, + 0, + 0, + 0, + 2, + 3, + 4, + 0, + 6, + 7, + 7, + 0, + 8, + 8, + 8 + ]); + var HHContextLabel = new Uint8Array([ + 0, + 1, + 2, + 0, + 1, + 2, + 2, + 0, + 2, + 2, + 2, + 0, + 0, + 0, + 0, + 0, + 3, + 4, + 5, + 0, + 4, + 5, + 5, + 0, + 5, + 5, + 5, + 0, + 0, + 0, + 0, + 0, + 6, + 7, + 7, + 0, + 7, + 7, + 7, + 0, + 7, + 7, + 7, + 0, + 0, + 0, + 0, + 0, + 8, + 8, + 8, + 0, + 8, + 8, + 8, + 0, + 8, + 8, + 8, + 0, + 0, + 0, + 0, + 0, + 8, + 8, + 8, + 0, + 8, + 8, + 8, + 0, + 8, + 8, + 8 + ]); + function BitModel(width, height, subband, zeroBitPlanes, mb) { + this.width = width; + this.height = height; + this.contextLabelTable = subband === 'HH' ? HHContextLabel : subband === 'HL' ? HLContextLabel : LLAndLHContextsLabel; + var coefficientCount = width * height; + // coefficients outside the encoding region treated as insignificant + // add border state cells for significanceState + this.neighborsSignificance = new Uint8Array(coefficientCount); + this.coefficentsSign = new Uint8Array(coefficientCount); + this.coefficentsMagnitude = mb > 14 ? new Uint32Array(coefficientCount) : mb > 6 ? new Uint16Array(coefficientCount) : new Uint8Array(coefficientCount); + this.processingFlags = new Uint8Array(coefficientCount); + var bitsDecoded = new Uint8Array(coefficientCount); + if (zeroBitPlanes !== 0) { + for (var i = 0; i < coefficientCount; i++) { + bitsDecoded[i] = zeroBitPlanes; + } + } + this.bitsDecoded = bitsDecoded; + this.reset(); + } + BitModel.prototype = { + setDecoder: function BitModel_setDecoder(decoder) { + this.decoder = decoder; + }, + reset: function BitModel_reset() { + // We have 17 contexts that are accessed via context labels, + // plus the uniform and runlength context. + this.contexts = new Int8Array(19); + // Contexts are packed into 1 byte: + // highest 7 bits carry the index, lowest bit carries mps + this.contexts[0] = 4 << 1 | 0; + this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0; + this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0; + }, + setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) { + var neighborsSignificance = this.neighborsSignificance; + var width = this.width, height = this.height; + var left = column > 0; + var right = column + 1 < width; + var i; + if (row > 0) { + i = index - width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + if (row + 1 < height) { + i = index + width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + if (left) { + neighborsSignificance[index - 1] += 0x01; + } + if (right) { + neighborsSignificance[index + 1] += 0x01; + } + neighborsSignificance[index] |= 0x80; + }, + runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var neighborsSignificance = this.neighborsSignificance; + var processingFlags = this.processingFlags; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processedInverseMask = ~1; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + for (var i0 = 0; i0 < height; i0 += 4) { + for (var j = 0; j < width; j++) { + var index = i0 * width + j; + for (var i1 = 0; i1 < 4; i1++, index += width) { + var i = i0 + i1; + if (i >= height) { + break; + } + // clear processed flag first + processingFlags[index] &= processedInverseMask; + if (coefficentsMagnitude[index] || !neighborsSignificance[index]) { + continue; + } + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision) { + var sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + decodeSignBit: function BitModel_decodeSignBit(row, column, index) { + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contribution, sign0, sign1, significance1; + var contextLabel, decoded; + // calculate horizontal contribution + significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0; + if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) { + sign1 = coefficentsSign[index + 1]; + if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign1 - sign0; + } else { + contribution = 1 - sign1 - sign1; + } + } else if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign0 - sign0; + } else { + contribution = 0; + } + var horizontalContribution = 3 * contribution; + // calculate vertical contribution and combine with the horizontal + significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0; + if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) { + sign1 = coefficentsSign[index + width]; + if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign1 - sign0 + horizontalContribution; + } else { + contribution = 1 - sign1 - sign1 + horizontalContribution; + } + } else if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign0 - sign0 + horizontalContribution; + } else { + contribution = horizontalContribution; + } + if (contribution >= 0) { + contextLabel = 9 + contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel); + } else { + contextLabel = 9 - contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1; + } + return decoded; + }, + runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var neighborsSignificance = this.neighborsSignificance; + var contexts = this.contexts; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var length = width * height; + var width4 = width * 4; + for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) { + indexNext = Math.min(length, index0 + width4); + for (var j = 0; j < width; j++) { + for (var index = index0 + j; index < indexNext; index += width) { + // significant but not those that have just become + if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) { + continue; + } + var contextLabel = 16; + if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) { + processingFlags[index] ^= firstMagnitudeBitMask; + // first refinement + var significance = neighborsSignificance[index] & 127; + contextLabel = significance === 0 ? 15 : 14; + } + var bit = decoder.readBit(contexts, contextLabel); + coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit; + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + runCleanupPass: function BitModel_runCleanupPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var neighborsSignificance = this.neighborsSignificance; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var oneRowDown = width; + var twoRowsDown = width * 2; + var threeRowsDown = width * 3; + var iNext; + for (var i0 = 0; i0 < height; i0 = iNext) { + iNext = Math.min(i0 + 4, height); + var indexBase = i0 * width; + var checkAllEmpty = i0 + 3 < height; + for (var j = 0; j < width; j++) { + var index0 = indexBase + j; + // using the property: labels[neighborsSignificance[index]] === 0 + // when neighborsSignificance[index] === 0 + var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0; + var i1 = 0, index = index0; + var i = i0, sign; + if (allEmpty) { + var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT); + if (!hasSignificantCoefficent) { + bitsDecoded[index0]++; + bitsDecoded[index0 + oneRowDown]++; + bitsDecoded[index0 + twoRowsDown]++; + bitsDecoded[index0 + threeRowsDown]++; + continue; + } + // next column + i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT); + if (i1 !== 0) { + i = i0 + i1; + index += i1 * width; + } + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + index = index0; + for (var i2 = i0; i2 <= i; i2++, index += width) { + bitsDecoded[index]++; + } + i1++; + } + for (i = i0 + i1; i < iNext; i++, index += width) { + if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) { + continue; + } + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision === 1) { + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + } + } + } + }, + checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() { + var decoder = this.decoder; + var contexts = this.contexts; + var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT); + if (symbol !== 0xA) { + error('JPX Error: Invalid segmentation symbol'); + } + } + }; + return BitModel; + }(); + // Section F, Discrete wavelet transformation + var Transform = function TransformClosure() { + function Transform() { + } + Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) { + var ll = subbands[0]; + for (var i = 1, ii = subbands.length; i < ii; i++) { + ll = this.iterate(ll, subbands[i], u0, v0); + } + return ll; + }; + Transform.prototype.extend = function extend(buffer, offset, size) { + // Section F.3.7 extending... using max extension of 4 + var i1 = offset - 1, j1 = offset + 1; + var i2 = offset + size - 2, j2 = offset + size; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1] = buffer[j1]; + buffer[j2] = buffer[i2]; + }; + Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) { + var llWidth = ll.width, llHeight = ll.height, llItems = ll.items; + var width = hl_lh_hh.width; + var height = hl_lh_hh.height; + var items = hl_lh_hh.items; + var i, j, k, l, u, v; + // Interleave LL according to Section F.3.3 + for (k = 0, i = 0; i < llHeight; i++) { + l = i * 2 * width; + for (j = 0; j < llWidth; j++, k++, l += 2) { + items[l] = llItems[k]; + } + } + // The LL band is not needed anymore. + llItems = ll.items = null; + var bufferPadding = 4; + var rowBuffer = new Float32Array(width + 2 * bufferPadding); + // Section F.3.4 HOR_SR + if (width === 1) { + // if width = 1, when u0 even keep items as is, when odd divide by 2 + if ((u0 & 1) !== 0) { + for (v = 0, k = 0; v < height; v++, k += width) { + items[k] *= 0.5; + } + } + } else { + for (v = 0, k = 0; v < height; v++, k += width) { + rowBuffer.set(items.subarray(k, k + width), bufferPadding); + this.extend(rowBuffer, bufferPadding, width); + this.filter(rowBuffer, bufferPadding, width); + items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k); + } + } + // Accesses to the items array can take long, because it may not fit into + // CPU cache and has to be fetched from main memory. Since subsequent + // accesses to the items array are not local when reading columns, we + // have a cache miss every time. To reduce cache misses, get up to + // 'numBuffers' items at a time and store them into the individual + // buffers. The colBuffers should be small enough to fit into CPU cache. + var numBuffers = 16; + var colBuffers = []; + for (i = 0; i < numBuffers; i++) { + colBuffers.push(new Float32Array(height + 2 * bufferPadding)); + } + var b, currentBuffer = 0; + ll = bufferPadding + height; + // Section F.3.5 VER_SR + if (height === 1) { + // if height = 1, when v0 even keep items as is, when odd divide by 2 + if ((v0 & 1) !== 0) { + for (u = 0; u < width; u++) { + items[u] *= 0.5; + } + } + } else { + for (u = 0; u < width; u++) { + // if we ran out of buffers, copy several image columns at once + if (currentBuffer === 0) { + numBuffers = Math.min(width - u, numBuffers); + for (k = u, l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + colBuffers[b][l] = items[k + b]; + } + } + currentBuffer = numBuffers; + } + currentBuffer--; + var buffer = colBuffers[currentBuffer]; + this.extend(buffer, bufferPadding, height); + this.filter(buffer, bufferPadding, height); + // If this is last buffer in this group of buffers, flush all buffers. + if (currentBuffer === 0) { + k = u - numBuffers + 1; + for (l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + items[k + b] = colBuffers[b][l]; + } + } + } + } + } + return { + width: width, + height: height, + items: items + }; + }; + return Transform; + }(); + // Section 3.8.2 Irreversible 9-7 filter + var IrreversibleTransform = function IrreversibleTransformClosure() { + function IrreversibleTransform() { + Transform.call(this); + } + IrreversibleTransform.prototype = Object.create(Transform.prototype); + IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n, current, next; + var alpha = -1.586134342059924; + var beta = -0.052980118572961; + var gamma = 0.882911075530934; + var delta = 0.443506852043971; + var K = 1.230174104914001; + var K_ = 1 / K; + // step 1 is combined with step 3 + // step 2 + j = offset - 3; + for (n = len + 4; n--; j += 2) { + x[j] *= K_; + } + // step 1 & 3 + j = offset - 2; + current = delta * x[j - 1]; + for (n = len + 3; n--; j += 2) { + next = delta * x[j + 1]; + x[j] = K * x[j] - current - next; + if (n--) { + j += 2; + current = delta * x[j + 1]; + x[j] = K * x[j] - current - next; + } else { + break; + } + } + // step 4 + j = offset - 1; + current = gamma * x[j - 1]; + for (n = len + 2; n--; j += 2) { + next = gamma * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = gamma * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + // step 5 + j = offset; + current = beta * x[j - 1]; + for (n = len + 1; n--; j += 2) { + next = beta * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = beta * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + // step 6 + if (len !== 0) { + j = offset + 1; + current = alpha * x[j - 1]; + for (n = len; n--; j += 2) { + next = alpha * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = alpha * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + } + }; + return IrreversibleTransform; + }(); + // Section 3.8.1 Reversible 5-3 filter + var ReversibleTransform = function ReversibleTransformClosure() { + function ReversibleTransform() { + Transform.call(this); + } + ReversibleTransform.prototype = Object.create(Transform.prototype); + ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n; + for (j = offset, n = len + 1; n--; j += 2) { + x[j] -= x[j - 1] + x[j + 1] + 2 >> 2; + } + for (j = offset + 1, n = len; n--; j += 2) { + x[j] += x[j - 1] + x[j + 1] >> 1; + } + }; + return ReversibleTransform; + }(); + return JpxImage; + }(); + exports.JpxImage = JpxImage; + })); + (function (root, factory) { + factory(root.pdfjsCoreMetrics = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var getLookupTableFactory = sharedUtil.getLookupTableFactory; + // The Metrics object contains glyph widths (in glyph space units). + // As per PDF spec, for most fonts (Type 3 being an exception) a glyph + // space unit corresponds to 1/1000th of text space unit. + var getMetrics = getLookupTableFactory(function (t) { + t['Courier'] = 600; + t['Courier-Bold'] = 600; + t['Courier-BoldOblique'] = 600; + t['Courier-Oblique'] = 600; + t['Helvetica'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 278; + t['quotedbl'] = 355; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 667; + t['quoteright'] = 222; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 556; + t['at'] = 1015; + t['A'] = 667; + t['B'] = 667; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 500; + t['K'] = 667; + t['L'] = 556; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 278; + t['backslash'] = 278; + t['bracketright'] = 278; + t['asciicircum'] = 469; + t['underscore'] = 556; + t['quoteleft'] = 222; + t['a'] = 556; + t['b'] = 556; + t['c'] = 500; + t['d'] = 556; + t['e'] = 556; + t['f'] = 278; + t['g'] = 556; + t['h'] = 556; + t['i'] = 222; + t['j'] = 222; + t['k'] = 500; + t['l'] = 222; + t['m'] = 833; + t['n'] = 556; + t['o'] = 556; + t['p'] = 556; + t['q'] = 556; + t['r'] = 333; + t['s'] = 500; + t['t'] = 278; + t['u'] = 556; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 500; + t['braceleft'] = 334; + t['bar'] = 260; + t['braceright'] = 334; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 191; + t['quotedblleft'] = 333; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 500; + t['fl'] = 500; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 537; + t['bullet'] = 350; + t['quotesinglbase'] = 222; + t['quotedblbase'] = 333; + t['quotedblright'] = 333; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 556; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 222; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 556; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 667; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 500; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 500; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 222; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 500; + t['scedilla'] = 500; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 556; + t['acircumflex'] = 556; + t['Amacron'] = 667; + t['rcaron'] = 333; + t['ccedilla'] = 500; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 643; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 667; + t['Abreve'] = 667; + t['multiply'] = 584; + t['uacute'] = 556; + t['Tcaron'] = 611; + t['partialdiff'] = 476; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 500; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 260; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 333; + t['omacron'] = 556; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 222; + t['tcaron'] = 317; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 667; + t['Adieresis'] = 667; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 222; + t['Oacute'] = 778; + t['oacute'] = 556; + t['amacron'] = 556; + t['sacute'] = 500; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 556; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 556; + t['igrave'] = 278; + t['ohungarumlaut'] = 556; + t['Eogonek'] = 667; + t['dcroat'] = 556; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 299; + t['Kcommaaccent'] = 667; + t['Lacute'] = 556; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 556; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 556; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 556; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 556; + t['Ccaron'] = 722; + t['ugrave'] = 556; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 333; + t['Ntilde'] = 722; + t['otilde'] = 556; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 556; + t['Atilde'] = 667; + t['Aogonek'] = 667; + t['Aring'] = 667; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 500; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 556; + t['tcommaaccent'] = 278; + t['logicalnot'] = 584; + t['odieresis'] = 556; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 556; + t['eth'] = 556; + t['zcaron'] = 500; + t['ncommaaccent'] = 556; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Helvetica-Bold'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 333; + t['quotedbl'] = 474; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 722; + t['quoteright'] = 278; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 611; + t['at'] = 975; + t['A'] = 722; + t['B'] = 722; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 556; + t['K'] = 722; + t['L'] = 611; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 584; + t['underscore'] = 556; + t['quoteleft'] = 278; + t['a'] = 556; + t['b'] = 611; + t['c'] = 556; + t['d'] = 611; + t['e'] = 556; + t['f'] = 333; + t['g'] = 611; + t['h'] = 611; + t['i'] = 278; + t['j'] = 278; + t['k'] = 556; + t['l'] = 278; + t['m'] = 889; + t['n'] = 611; + t['o'] = 611; + t['p'] = 611; + t['q'] = 611; + t['r'] = 389; + t['s'] = 556; + t['t'] = 333; + t['u'] = 611; + t['v'] = 556; + t['w'] = 778; + t['x'] = 556; + t['y'] = 556; + t['z'] = 500; + t['braceleft'] = 389; + t['bar'] = 280; + t['braceright'] = 389; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 238; + t['quotedblleft'] = 500; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 611; + t['fl'] = 611; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 556; + t['bullet'] = 350; + t['quotesinglbase'] = 278; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 611; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 611; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 722; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 556; + t['scommaaccent'] = 556; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 611; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 556; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 556; + t['scedilla'] = 556; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 611; + t['acircumflex'] = 556; + t['Amacron'] = 722; + t['rcaron'] = 389; + t['ccedilla'] = 556; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 743; + t['Umacron'] = 722; + t['uring'] = 611; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 584; + t['uacute'] = 611; + t['Tcaron'] = 611; + t['partialdiff'] = 494; + t['ydieresis'] = 556; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 556; + t['nacute'] = 611; + t['umacron'] = 611; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 280; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 389; + t['omacron'] = 611; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 278; + t['tcaron'] = 389; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 278; + t['Oacute'] = 778; + t['oacute'] = 611; + t['amacron'] = 556; + t['sacute'] = 556; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 611; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 611; + t['igrave'] = 278; + t['ohungarumlaut'] = 611; + t['Eogonek'] = 667; + t['dcroat'] = 611; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 400; + t['Kcommaaccent'] = 722; + t['Lacute'] = 611; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 611; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 611; + t['ntilde'] = 611; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 611; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 611; + t['Ccaron'] = 722; + t['ugrave'] = 611; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 722; + t['otilde'] = 611; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 611; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 556; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 611; + t['tcommaaccent'] = 333; + t['logicalnot'] = 584; + t['odieresis'] = 611; + t['udieresis'] = 611; + t['notequal'] = 549; + t['gcommaaccent'] = 611; + t['eth'] = 611; + t['zcaron'] = 500; + t['ncommaaccent'] = 611; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Helvetica-BoldOblique'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 333; + t['quotedbl'] = 474; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 722; + t['quoteright'] = 278; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 611; + t['at'] = 975; + t['A'] = 722; + t['B'] = 722; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 556; + t['K'] = 722; + t['L'] = 611; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 584; + t['underscore'] = 556; + t['quoteleft'] = 278; + t['a'] = 556; + t['b'] = 611; + t['c'] = 556; + t['d'] = 611; + t['e'] = 556; + t['f'] = 333; + t['g'] = 611; + t['h'] = 611; + t['i'] = 278; + t['j'] = 278; + t['k'] = 556; + t['l'] = 278; + t['m'] = 889; + t['n'] = 611; + t['o'] = 611; + t['p'] = 611; + t['q'] = 611; + t['r'] = 389; + t['s'] = 556; + t['t'] = 333; + t['u'] = 611; + t['v'] = 556; + t['w'] = 778; + t['x'] = 556; + t['y'] = 556; + t['z'] = 500; + t['braceleft'] = 389; + t['bar'] = 280; + t['braceright'] = 389; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 238; + t['quotedblleft'] = 500; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 611; + t['fl'] = 611; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 556; + t['bullet'] = 350; + t['quotesinglbase'] = 278; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 611; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 611; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 722; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 556; + t['scommaaccent'] = 556; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 611; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 556; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 556; + t['scedilla'] = 556; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 611; + t['acircumflex'] = 556; + t['Amacron'] = 722; + t['rcaron'] = 389; + t['ccedilla'] = 556; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 743; + t['Umacron'] = 722; + t['uring'] = 611; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 584; + t['uacute'] = 611; + t['Tcaron'] = 611; + t['partialdiff'] = 494; + t['ydieresis'] = 556; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 556; + t['nacute'] = 611; + t['umacron'] = 611; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 280; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 389; + t['omacron'] = 611; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 278; + t['tcaron'] = 389; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 278; + t['Oacute'] = 778; + t['oacute'] = 611; + t['amacron'] = 556; + t['sacute'] = 556; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 611; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 611; + t['igrave'] = 278; + t['ohungarumlaut'] = 611; + t['Eogonek'] = 667; + t['dcroat'] = 611; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 400; + t['Kcommaaccent'] = 722; + t['Lacute'] = 611; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 611; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 611; + t['ntilde'] = 611; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 611; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 611; + t['Ccaron'] = 722; + t['ugrave'] = 611; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 722; + t['otilde'] = 611; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 611; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 556; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 611; + t['tcommaaccent'] = 333; + t['logicalnot'] = 584; + t['odieresis'] = 611; + t['udieresis'] = 611; + t['notequal'] = 549; + t['gcommaaccent'] = 611; + t['eth'] = 611; + t['zcaron'] = 500; + t['ncommaaccent'] = 611; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Helvetica-Oblique'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 278; + t['quotedbl'] = 355; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 667; + t['quoteright'] = 222; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 556; + t['at'] = 1015; + t['A'] = 667; + t['B'] = 667; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 500; + t['K'] = 667; + t['L'] = 556; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 278; + t['backslash'] = 278; + t['bracketright'] = 278; + t['asciicircum'] = 469; + t['underscore'] = 556; + t['quoteleft'] = 222; + t['a'] = 556; + t['b'] = 556; + t['c'] = 500; + t['d'] = 556; + t['e'] = 556; + t['f'] = 278; + t['g'] = 556; + t['h'] = 556; + t['i'] = 222; + t['j'] = 222; + t['k'] = 500; + t['l'] = 222; + t['m'] = 833; + t['n'] = 556; + t['o'] = 556; + t['p'] = 556; + t['q'] = 556; + t['r'] = 333; + t['s'] = 500; + t['t'] = 278; + t['u'] = 556; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 500; + t['braceleft'] = 334; + t['bar'] = 260; + t['braceright'] = 334; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 191; + t['quotedblleft'] = 333; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 500; + t['fl'] = 500; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 537; + t['bullet'] = 350; + t['quotesinglbase'] = 222; + t['quotedblbase'] = 333; + t['quotedblright'] = 333; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 556; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 222; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 556; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 667; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 500; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 500; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 222; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 500; + t['scedilla'] = 500; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 556; + t['acircumflex'] = 556; + t['Amacron'] = 667; + t['rcaron'] = 333; + t['ccedilla'] = 500; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 643; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 667; + t['Abreve'] = 667; + t['multiply'] = 584; + t['uacute'] = 556; + t['Tcaron'] = 611; + t['partialdiff'] = 476; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 500; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 260; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 333; + t['omacron'] = 556; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 222; + t['tcaron'] = 317; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 667; + t['Adieresis'] = 667; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 222; + t['Oacute'] = 778; + t['oacute'] = 556; + t['amacron'] = 556; + t['sacute'] = 500; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 556; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 556; + t['igrave'] = 278; + t['ohungarumlaut'] = 556; + t['Eogonek'] = 667; + t['dcroat'] = 556; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 299; + t['Kcommaaccent'] = 667; + t['Lacute'] = 556; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 556; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 556; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 556; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 556; + t['Ccaron'] = 722; + t['ugrave'] = 556; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 333; + t['Ntilde'] = 722; + t['otilde'] = 556; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 556; + t['Atilde'] = 667; + t['Aogonek'] = 667; + t['Aring'] = 667; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 500; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 556; + t['tcommaaccent'] = 278; + t['logicalnot'] = 584; + t['odieresis'] = 556; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 556; + t['eth'] = 556; + t['zcaron'] = 500; + t['ncommaaccent'] = 556; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Symbol'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['universal'] = 713; + t['numbersign'] = 500; + t['existential'] = 549; + t['percent'] = 833; + t['ampersand'] = 778; + t['suchthat'] = 439; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asteriskmath'] = 500; + t['plus'] = 549; + t['comma'] = 250; + t['minus'] = 549; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 549; + t['equal'] = 549; + t['greater'] = 549; + t['question'] = 444; + t['congruent'] = 549; + t['Alpha'] = 722; + t['Beta'] = 667; + t['Chi'] = 722; + t['Delta'] = 612; + t['Epsilon'] = 611; + t['Phi'] = 763; + t['Gamma'] = 603; + t['Eta'] = 722; + t['Iota'] = 333; + t['theta1'] = 631; + t['Kappa'] = 722; + t['Lambda'] = 686; + t['Mu'] = 889; + t['Nu'] = 722; + t['Omicron'] = 722; + t['Pi'] = 768; + t['Theta'] = 741; + t['Rho'] = 556; + t['Sigma'] = 592; + t['Tau'] = 611; + t['Upsilon'] = 690; + t['sigma1'] = 439; + t['Omega'] = 768; + t['Xi'] = 645; + t['Psi'] = 795; + t['Zeta'] = 611; + t['bracketleft'] = 333; + t['therefore'] = 863; + t['bracketright'] = 333; + t['perpendicular'] = 658; + t['underscore'] = 500; + t['radicalex'] = 500; + t['alpha'] = 631; + t['beta'] = 549; + t['chi'] = 549; + t['delta'] = 494; + t['epsilon'] = 439; + t['phi'] = 521; + t['gamma'] = 411; + t['eta'] = 603; + t['iota'] = 329; + t['phi1'] = 603; + t['kappa'] = 549; + t['lambda'] = 549; + t['mu'] = 576; + t['nu'] = 521; + t['omicron'] = 549; + t['pi'] = 549; + t['theta'] = 521; + t['rho'] = 549; + t['sigma'] = 603; + t['tau'] = 439; + t['upsilon'] = 576; + t['omega1'] = 713; + t['omega'] = 686; + t['xi'] = 493; + t['psi'] = 686; + t['zeta'] = 494; + t['braceleft'] = 480; + t['bar'] = 200; + t['braceright'] = 480; + t['similar'] = 549; + t['Euro'] = 750; + t['Upsilon1'] = 620; + t['minute'] = 247; + t['lessequal'] = 549; + t['fraction'] = 167; + t['infinity'] = 713; + t['florin'] = 500; + t['club'] = 753; + t['diamond'] = 753; + t['heart'] = 753; + t['spade'] = 753; + t['arrowboth'] = 1042; + t['arrowleft'] = 987; + t['arrowup'] = 603; + t['arrowright'] = 987; + t['arrowdown'] = 603; + t['degree'] = 400; + t['plusminus'] = 549; + t['second'] = 411; + t['greaterequal'] = 549; + t['multiply'] = 549; + t['proportional'] = 713; + t['partialdiff'] = 494; + t['bullet'] = 460; + t['divide'] = 549; + t['notequal'] = 549; + t['equivalence'] = 549; + t['approxequal'] = 549; + t['ellipsis'] = 1000; + t['arrowvertex'] = 603; + t['arrowhorizex'] = 1000; + t['carriagereturn'] = 658; + t['aleph'] = 823; + t['Ifraktur'] = 686; + t['Rfraktur'] = 795; + t['weierstrass'] = 987; + t['circlemultiply'] = 768; + t['circleplus'] = 768; + t['emptyset'] = 823; + t['intersection'] = 768; + t['union'] = 768; + t['propersuperset'] = 713; + t['reflexsuperset'] = 713; + t['notsubset'] = 713; + t['propersubset'] = 713; + t['reflexsubset'] = 713; + t['element'] = 713; + t['notelement'] = 713; + t['angle'] = 768; + t['gradient'] = 713; + t['registerserif'] = 790; + t['copyrightserif'] = 790; + t['trademarkserif'] = 890; + t['product'] = 823; + t['radical'] = 549; + t['dotmath'] = 250; + t['logicalnot'] = 713; + t['logicaland'] = 603; + t['logicalor'] = 603; + t['arrowdblboth'] = 1042; + t['arrowdblleft'] = 987; + t['arrowdblup'] = 603; + t['arrowdblright'] = 987; + t['arrowdbldown'] = 603; + t['lozenge'] = 494; + t['angleleft'] = 329; + t['registersans'] = 790; + t['copyrightsans'] = 790; + t['trademarksans'] = 786; + t['summation'] = 713; + t['parenlefttp'] = 384; + t['parenleftex'] = 384; + t['parenleftbt'] = 384; + t['bracketlefttp'] = 384; + t['bracketleftex'] = 384; + t['bracketleftbt'] = 384; + t['bracelefttp'] = 494; + t['braceleftmid'] = 494; + t['braceleftbt'] = 494; + t['braceex'] = 494; + t['angleright'] = 329; + t['integral'] = 274; + t['integraltp'] = 686; + t['integralex'] = 686; + t['integralbt'] = 686; + t['parenrighttp'] = 384; + t['parenrightex'] = 384; + t['parenrightbt'] = 384; + t['bracketrighttp'] = 384; + t['bracketrightex'] = 384; + t['bracketrightbt'] = 384; + t['bracerighttp'] = 494; + t['bracerightmid'] = 494; + t['bracerightbt'] = 494; + t['apple'] = 790; + }); + t['Times-Roman'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['quotedbl'] = 408; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 833; + t['ampersand'] = 778; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 564; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 564; + t['equal'] = 564; + t['greater'] = 564; + t['question'] = 444; + t['at'] = 921; + t['A'] = 722; + t['B'] = 667; + t['C'] = 667; + t['D'] = 722; + t['E'] = 611; + t['F'] = 556; + t['G'] = 722; + t['H'] = 722; + t['I'] = 333; + t['J'] = 389; + t['K'] = 722; + t['L'] = 611; + t['M'] = 889; + t['N'] = 722; + t['O'] = 722; + t['P'] = 556; + t['Q'] = 722; + t['R'] = 667; + t['S'] = 556; + t['T'] = 611; + t['U'] = 722; + t['V'] = 722; + t['W'] = 944; + t['X'] = 722; + t['Y'] = 722; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 469; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 444; + t['b'] = 500; + t['c'] = 444; + t['d'] = 500; + t['e'] = 444; + t['f'] = 333; + t['g'] = 500; + t['h'] = 500; + t['i'] = 278; + t['j'] = 278; + t['k'] = 500; + t['l'] = 278; + t['m'] = 778; + t['n'] = 500; + t['o'] = 500; + t['p'] = 500; + t['q'] = 500; + t['r'] = 333; + t['s'] = 389; + t['t'] = 278; + t['u'] = 500; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 444; + t['braceleft'] = 480; + t['bar'] = 200; + t['braceright'] = 480; + t['asciitilde'] = 541; + t['exclamdown'] = 333; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 180; + t['quotedblleft'] = 444; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 556; + t['fl'] = 556; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 453; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 444; + t['quotedblright'] = 444; + t['guillemotright'] = 500; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 444; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 889; + t['ordfeminine'] = 276; + t['Lslash'] = 611; + t['Oslash'] = 722; + t['OE'] = 889; + t['ordmasculine'] = 310; + t['ae'] = 667; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 722; + t['germandbls'] = 500; + t['Idieresis'] = 333; + t['eacute'] = 444; + t['abreve'] = 444; + t['uhungarumlaut'] = 500; + t['ecaron'] = 444; + t['Ydieresis'] = 722; + t['divide'] = 564; + t['Yacute'] = 722; + t['Acircumflex'] = 722; + t['aacute'] = 444; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 444; + t['Uacute'] = 722; + t['uogonek'] = 500; + t['Edieresis'] = 611; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 760; + t['Emacron'] = 611; + t['ccaron'] = 444; + t['aring'] = 444; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 444; + t['Tcommaaccent'] = 611; + t['Cacute'] = 667; + t['atilde'] = 444; + t['Edotaccent'] = 611; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 667; + t['Gcommaaccent'] = 722; + t['ucircumflex'] = 500; + t['acircumflex'] = 444; + t['Amacron'] = 722; + t['rcaron'] = 333; + t['ccedilla'] = 444; + t['Zdotaccent'] = 611; + t['Thorn'] = 556; + t['Omacron'] = 722; + t['Racute'] = 667; + t['Sacute'] = 556; + t['dcaron'] = 588; + t['Umacron'] = 722; + t['uring'] = 500; + t['threesuperior'] = 300; + t['Ograve'] = 722; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 564; + t['uacute'] = 500; + t['Tcaron'] = 611; + t['partialdiff'] = 476; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 611; + t['adieresis'] = 444; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 500; + t['umacron'] = 500; + t['Ncaron'] = 722; + t['Iacute'] = 333; + t['plusminus'] = 564; + t['brokenbar'] = 200; + t['registered'] = 760; + t['Gbreve'] = 722; + t['Idotaccent'] = 333; + t['summation'] = 600; + t['Egrave'] = 611; + t['racute'] = 333; + t['omacron'] = 500; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 667; + t['lcommaaccent'] = 278; + t['tcaron'] = 326; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 444; + t['zacute'] = 444; + t['iogonek'] = 278; + t['Oacute'] = 722; + t['oacute'] = 500; + t['amacron'] = 444; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 722; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 500; + t['twosuperior'] = 300; + t['Odieresis'] = 722; + t['mu'] = 500; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 611; + t['dcroat'] = 500; + t['threequarters'] = 750; + t['Scedilla'] = 556; + t['lcaron'] = 344; + t['Kcommaaccent'] = 722; + t['Lacute'] = 611; + t['trademark'] = 980; + t['edotaccent'] = 444; + t['Igrave'] = 333; + t['Imacron'] = 333; + t['Lcaron'] = 611; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 500; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 611; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 556; + t['Scommaaccent'] = 556; + t['Ohungarumlaut'] = 722; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 667; + t['ugrave'] = 500; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 333; + t['Ntilde'] = 722; + t['otilde'] = 500; + t['Rcommaaccent'] = 667; + t['Lcommaaccent'] = 611; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 722; + t['zdotaccent'] = 444; + t['Ecaron'] = 611; + t['Iogonek'] = 333; + t['kcommaaccent'] = 500; + t['minus'] = 564; + t['Icircumflex'] = 333; + t['ncaron'] = 500; + t['tcommaaccent'] = 278; + t['logicalnot'] = 564; + t['odieresis'] = 500; + t['udieresis'] = 500; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 444; + t['ncommaaccent'] = 500; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['Times-Bold'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['quotedbl'] = 555; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 1000; + t['ampersand'] = 833; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 570; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 570; + t['equal'] = 570; + t['greater'] = 570; + t['question'] = 500; + t['at'] = 930; + t['A'] = 722; + t['B'] = 667; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 778; + t['I'] = 389; + t['J'] = 500; + t['K'] = 778; + t['L'] = 667; + t['M'] = 944; + t['N'] = 722; + t['O'] = 778; + t['P'] = 611; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 556; + t['T'] = 667; + t['U'] = 722; + t['V'] = 722; + t['W'] = 1000; + t['X'] = 722; + t['Y'] = 722; + t['Z'] = 667; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 581; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 500; + t['b'] = 556; + t['c'] = 444; + t['d'] = 556; + t['e'] = 444; + t['f'] = 333; + t['g'] = 500; + t['h'] = 556; + t['i'] = 278; + t['j'] = 333; + t['k'] = 556; + t['l'] = 278; + t['m'] = 833; + t['n'] = 556; + t['o'] = 500; + t['p'] = 556; + t['q'] = 556; + t['r'] = 444; + t['s'] = 389; + t['t'] = 333; + t['u'] = 556; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 444; + t['braceleft'] = 394; + t['bar'] = 220; + t['braceright'] = 394; + t['asciitilde'] = 520; + t['exclamdown'] = 333; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 278; + t['quotedblleft'] = 500; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 556; + t['fl'] = 556; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 540; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 500; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 500; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 300; + t['Lslash'] = 667; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 330; + t['ae'] = 722; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 722; + t['germandbls'] = 556; + t['Idieresis'] = 389; + t['eacute'] = 444; + t['abreve'] = 500; + t['uhungarumlaut'] = 556; + t['ecaron'] = 444; + t['Ydieresis'] = 722; + t['divide'] = 570; + t['Yacute'] = 722; + t['Acircumflex'] = 722; + t['aacute'] = 500; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 500; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 747; + t['Emacron'] = 667; + t['ccaron'] = 444; + t['aring'] = 500; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 500; + t['Tcommaaccent'] = 667; + t['Cacute'] = 722; + t['atilde'] = 500; + t['Edotaccent'] = 667; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 556; + t['acircumflex'] = 500; + t['Amacron'] = 722; + t['rcaron'] = 444; + t['ccedilla'] = 444; + t['Zdotaccent'] = 667; + t['Thorn'] = 611; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 556; + t['dcaron'] = 672; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 300; + t['Ograve'] = 778; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 570; + t['uacute'] = 556; + t['Tcaron'] = 667; + t['partialdiff'] = 494; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 500; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 389; + t['plusminus'] = 570; + t['brokenbar'] = 220; + t['registered'] = 747; + t['Gbreve'] = 778; + t['Idotaccent'] = 389; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 444; + t['omacron'] = 500; + t['Zacute'] = 667; + t['Zcaron'] = 667; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 278; + t['tcaron'] = 416; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 444; + t['zacute'] = 444; + t['iogonek'] = 278; + t['Oacute'] = 778; + t['oacute'] = 500; + t['amacron'] = 500; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 556; + t['twosuperior'] = 300; + t['Odieresis'] = 778; + t['mu'] = 556; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 667; + t['dcroat'] = 556; + t['threequarters'] = 750; + t['Scedilla'] = 556; + t['lcaron'] = 394; + t['Kcommaaccent'] = 778; + t['Lacute'] = 667; + t['trademark'] = 1000; + t['edotaccent'] = 444; + t['Igrave'] = 389; + t['Imacron'] = 389; + t['Lcaron'] = 667; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 556; + t['Scommaaccent'] = 556; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 722; + t['ugrave'] = 556; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 444; + t['Ntilde'] = 722; + t['otilde'] = 500; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 667; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 778; + t['zdotaccent'] = 444; + t['Ecaron'] = 667; + t['Iogonek'] = 389; + t['kcommaaccent'] = 556; + t['minus'] = 570; + t['Icircumflex'] = 389; + t['ncaron'] = 556; + t['tcommaaccent'] = 333; + t['logicalnot'] = 570; + t['odieresis'] = 500; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 444; + t['ncommaaccent'] = 556; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['Times-BoldItalic'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 389; + t['quotedbl'] = 555; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 833; + t['ampersand'] = 778; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 570; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 570; + t['equal'] = 570; + t['greater'] = 570; + t['question'] = 500; + t['at'] = 832; + t['A'] = 667; + t['B'] = 667; + t['C'] = 667; + t['D'] = 722; + t['E'] = 667; + t['F'] = 667; + t['G'] = 722; + t['H'] = 778; + t['I'] = 389; + t['J'] = 500; + t['K'] = 667; + t['L'] = 611; + t['M'] = 889; + t['N'] = 722; + t['O'] = 722; + t['P'] = 611; + t['Q'] = 722; + t['R'] = 667; + t['S'] = 556; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 889; + t['X'] = 667; + t['Y'] = 611; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 570; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 500; + t['b'] = 500; + t['c'] = 444; + t['d'] = 500; + t['e'] = 444; + t['f'] = 333; + t['g'] = 500; + t['h'] = 556; + t['i'] = 278; + t['j'] = 278; + t['k'] = 500; + t['l'] = 278; + t['m'] = 778; + t['n'] = 556; + t['o'] = 500; + t['p'] = 500; + t['q'] = 500; + t['r'] = 389; + t['s'] = 389; + t['t'] = 278; + t['u'] = 556; + t['v'] = 444; + t['w'] = 667; + t['x'] = 500; + t['y'] = 444; + t['z'] = 389; + t['braceleft'] = 348; + t['bar'] = 220; + t['braceright'] = 348; + t['asciitilde'] = 570; + t['exclamdown'] = 389; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 278; + t['quotedblleft'] = 500; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 556; + t['fl'] = 556; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 500; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 500; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 500; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 944; + t['ordfeminine'] = 266; + t['Lslash'] = 611; + t['Oslash'] = 722; + t['OE'] = 944; + t['ordmasculine'] = 300; + t['ae'] = 722; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 722; + t['germandbls'] = 500; + t['Idieresis'] = 389; + t['eacute'] = 444; + t['abreve'] = 500; + t['uhungarumlaut'] = 556; + t['ecaron'] = 444; + t['Ydieresis'] = 611; + t['divide'] = 570; + t['Yacute'] = 611; + t['Acircumflex'] = 667; + t['aacute'] = 500; + t['Ucircumflex'] = 722; + t['yacute'] = 444; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 500; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 747; + t['Emacron'] = 667; + t['ccaron'] = 444; + t['aring'] = 500; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 500; + t['Tcommaaccent'] = 611; + t['Cacute'] = 667; + t['atilde'] = 500; + t['Edotaccent'] = 667; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 667; + t['Gcommaaccent'] = 722; + t['ucircumflex'] = 556; + t['acircumflex'] = 500; + t['Amacron'] = 667; + t['rcaron'] = 389; + t['ccedilla'] = 444; + t['Zdotaccent'] = 611; + t['Thorn'] = 611; + t['Omacron'] = 722; + t['Racute'] = 667; + t['Sacute'] = 556; + t['dcaron'] = 608; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 300; + t['Ograve'] = 722; + t['Agrave'] = 667; + t['Abreve'] = 667; + t['multiply'] = 570; + t['uacute'] = 556; + t['Tcaron'] = 611; + t['partialdiff'] = 494; + t['ydieresis'] = 444; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 500; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 389; + t['plusminus'] = 570; + t['brokenbar'] = 220; + t['registered'] = 747; + t['Gbreve'] = 722; + t['Idotaccent'] = 389; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 389; + t['omacron'] = 500; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 667; + t['lcommaaccent'] = 278; + t['tcaron'] = 366; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 667; + t['Adieresis'] = 667; + t['egrave'] = 444; + t['zacute'] = 389; + t['iogonek'] = 278; + t['Oacute'] = 722; + t['oacute'] = 500; + t['amacron'] = 500; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 722; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 500; + t['twosuperior'] = 300; + t['Odieresis'] = 722; + t['mu'] = 576; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 667; + t['dcroat'] = 500; + t['threequarters'] = 750; + t['Scedilla'] = 556; + t['lcaron'] = 382; + t['Kcommaaccent'] = 667; + t['Lacute'] = 611; + t['trademark'] = 1000; + t['edotaccent'] = 444; + t['Igrave'] = 389; + t['Imacron'] = 389; + t['Lcaron'] = 611; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 556; + t['Scommaaccent'] = 556; + t['Ohungarumlaut'] = 722; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 667; + t['ugrave'] = 556; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 722; + t['otilde'] = 500; + t['Rcommaaccent'] = 667; + t['Lcommaaccent'] = 611; + t['Atilde'] = 667; + t['Aogonek'] = 667; + t['Aring'] = 667; + t['Otilde'] = 722; + t['zdotaccent'] = 389; + t['Ecaron'] = 667; + t['Iogonek'] = 389; + t['kcommaaccent'] = 500; + t['minus'] = 606; + t['Icircumflex'] = 389; + t['ncaron'] = 556; + t['tcommaaccent'] = 278; + t['logicalnot'] = 606; + t['odieresis'] = 500; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 389; + t['ncommaaccent'] = 556; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['Times-Italic'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['quotedbl'] = 420; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 833; + t['ampersand'] = 778; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 675; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 675; + t['equal'] = 675; + t['greater'] = 675; + t['question'] = 500; + t['at'] = 920; + t['A'] = 611; + t['B'] = 611; + t['C'] = 667; + t['D'] = 722; + t['E'] = 611; + t['F'] = 611; + t['G'] = 722; + t['H'] = 722; + t['I'] = 333; + t['J'] = 444; + t['K'] = 667; + t['L'] = 556; + t['M'] = 833; + t['N'] = 667; + t['O'] = 722; + t['P'] = 611; + t['Q'] = 722; + t['R'] = 611; + t['S'] = 500; + t['T'] = 556; + t['U'] = 722; + t['V'] = 611; + t['W'] = 833; + t['X'] = 611; + t['Y'] = 556; + t['Z'] = 556; + t['bracketleft'] = 389; + t['backslash'] = 278; + t['bracketright'] = 389; + t['asciicircum'] = 422; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 500; + t['b'] = 500; + t['c'] = 444; + t['d'] = 500; + t['e'] = 444; + t['f'] = 278; + t['g'] = 500; + t['h'] = 500; + t['i'] = 278; + t['j'] = 278; + t['k'] = 444; + t['l'] = 278; + t['m'] = 722; + t['n'] = 500; + t['o'] = 500; + t['p'] = 500; + t['q'] = 500; + t['r'] = 389; + t['s'] = 389; + t['t'] = 278; + t['u'] = 500; + t['v'] = 444; + t['w'] = 667; + t['x'] = 444; + t['y'] = 444; + t['z'] = 389; + t['braceleft'] = 400; + t['bar'] = 275; + t['braceright'] = 400; + t['asciitilde'] = 541; + t['exclamdown'] = 389; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 214; + t['quotedblleft'] = 556; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 500; + t['fl'] = 500; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 523; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 556; + t['quotedblright'] = 556; + t['guillemotright'] = 500; + t['ellipsis'] = 889; + t['perthousand'] = 1000; + t['questiondown'] = 500; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 889; + t['AE'] = 889; + t['ordfeminine'] = 276; + t['Lslash'] = 556; + t['Oslash'] = 722; + t['OE'] = 944; + t['ordmasculine'] = 310; + t['ae'] = 667; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 667; + t['germandbls'] = 500; + t['Idieresis'] = 333; + t['eacute'] = 444; + t['abreve'] = 500; + t['uhungarumlaut'] = 500; + t['ecaron'] = 444; + t['Ydieresis'] = 556; + t['divide'] = 675; + t['Yacute'] = 556; + t['Acircumflex'] = 611; + t['aacute'] = 500; + t['Ucircumflex'] = 722; + t['yacute'] = 444; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 500; + t['Uacute'] = 722; + t['uogonek'] = 500; + t['Edieresis'] = 611; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 760; + t['Emacron'] = 611; + t['ccaron'] = 444; + t['aring'] = 500; + t['Ncommaaccent'] = 667; + t['lacute'] = 278; + t['agrave'] = 500; + t['Tcommaaccent'] = 556; + t['Cacute'] = 667; + t['atilde'] = 500; + t['Edotaccent'] = 611; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 611; + t['Gcommaaccent'] = 722; + t['ucircumflex'] = 500; + t['acircumflex'] = 500; + t['Amacron'] = 611; + t['rcaron'] = 389; + t['ccedilla'] = 444; + t['Zdotaccent'] = 556; + t['Thorn'] = 611; + t['Omacron'] = 722; + t['Racute'] = 611; + t['Sacute'] = 500; + t['dcaron'] = 544; + t['Umacron'] = 722; + t['uring'] = 500; + t['threesuperior'] = 300; + t['Ograve'] = 722; + t['Agrave'] = 611; + t['Abreve'] = 611; + t['multiply'] = 675; + t['uacute'] = 500; + t['Tcaron'] = 556; + t['partialdiff'] = 476; + t['ydieresis'] = 444; + t['Nacute'] = 667; + t['icircumflex'] = 278; + t['Ecircumflex'] = 611; + t['adieresis'] = 500; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 500; + t['umacron'] = 500; + t['Ncaron'] = 667; + t['Iacute'] = 333; + t['plusminus'] = 675; + t['brokenbar'] = 275; + t['registered'] = 760; + t['Gbreve'] = 722; + t['Idotaccent'] = 333; + t['summation'] = 600; + t['Egrave'] = 611; + t['racute'] = 389; + t['omacron'] = 500; + t['Zacute'] = 556; + t['Zcaron'] = 556; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 667; + t['lcommaaccent'] = 278; + t['tcaron'] = 300; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 611; + t['Adieresis'] = 611; + t['egrave'] = 444; + t['zacute'] = 389; + t['iogonek'] = 278; + t['Oacute'] = 722; + t['oacute'] = 500; + t['amacron'] = 500; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 722; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 500; + t['twosuperior'] = 300; + t['Odieresis'] = 722; + t['mu'] = 500; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 611; + t['dcroat'] = 500; + t['threequarters'] = 750; + t['Scedilla'] = 500; + t['lcaron'] = 300; + t['Kcommaaccent'] = 667; + t['Lacute'] = 556; + t['trademark'] = 980; + t['edotaccent'] = 444; + t['Igrave'] = 333; + t['Imacron'] = 333; + t['Lcaron'] = 611; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 500; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 611; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 500; + t['Scommaaccent'] = 500; + t['Ohungarumlaut'] = 722; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 667; + t['ugrave'] = 500; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 667; + t['otilde'] = 500; + t['Rcommaaccent'] = 611; + t['Lcommaaccent'] = 556; + t['Atilde'] = 611; + t['Aogonek'] = 611; + t['Aring'] = 611; + t['Otilde'] = 722; + t['zdotaccent'] = 389; + t['Ecaron'] = 611; + t['Iogonek'] = 333; + t['kcommaaccent'] = 444; + t['minus'] = 675; + t['Icircumflex'] = 333; + t['ncaron'] = 500; + t['tcommaaccent'] = 278; + t['logicalnot'] = 675; + t['odieresis'] = 500; + t['udieresis'] = 500; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 389; + t['ncommaaccent'] = 500; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['ZapfDingbats'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['a1'] = 974; + t['a2'] = 961; + t['a202'] = 974; + t['a3'] = 980; + t['a4'] = 719; + t['a5'] = 789; + t['a119'] = 790; + t['a118'] = 791; + t['a117'] = 690; + t['a11'] = 960; + t['a12'] = 939; + t['a13'] = 549; + t['a14'] = 855; + t['a15'] = 911; + t['a16'] = 933; + t['a105'] = 911; + t['a17'] = 945; + t['a18'] = 974; + t['a19'] = 755; + t['a20'] = 846; + t['a21'] = 762; + t['a22'] = 761; + t['a23'] = 571; + t['a24'] = 677; + t['a25'] = 763; + t['a26'] = 760; + t['a27'] = 759; + t['a28'] = 754; + t['a6'] = 494; + t['a7'] = 552; + t['a8'] = 537; + t['a9'] = 577; + t['a10'] = 692; + t['a29'] = 786; + t['a30'] = 788; + t['a31'] = 788; + t['a32'] = 790; + t['a33'] = 793; + t['a34'] = 794; + t['a35'] = 816; + t['a36'] = 823; + t['a37'] = 789; + t['a38'] = 841; + t['a39'] = 823; + t['a40'] = 833; + t['a41'] = 816; + t['a42'] = 831; + t['a43'] = 923; + t['a44'] = 744; + t['a45'] = 723; + t['a46'] = 749; + t['a47'] = 790; + t['a48'] = 792; + t['a49'] = 695; + t['a50'] = 776; + t['a51'] = 768; + t['a52'] = 792; + t['a53'] = 759; + t['a54'] = 707; + t['a55'] = 708; + t['a56'] = 682; + t['a57'] = 701; + t['a58'] = 826; + t['a59'] = 815; + t['a60'] = 789; + t['a61'] = 789; + t['a62'] = 707; + t['a63'] = 687; + t['a64'] = 696; + t['a65'] = 689; + t['a66'] = 786; + t['a67'] = 787; + t['a68'] = 713; + t['a69'] = 791; + t['a70'] = 785; + t['a71'] = 791; + t['a72'] = 873; + t['a73'] = 761; + t['a74'] = 762; + t['a203'] = 762; + t['a75'] = 759; + t['a204'] = 759; + t['a76'] = 892; + t['a77'] = 892; + t['a78'] = 788; + t['a79'] = 784; + t['a81'] = 438; + t['a82'] = 138; + t['a83'] = 277; + t['a84'] = 415; + t['a97'] = 392; + t['a98'] = 392; + t['a99'] = 668; + t['a100'] = 668; + t['a89'] = 390; + t['a90'] = 390; + t['a93'] = 317; + t['a94'] = 317; + t['a91'] = 276; + t['a92'] = 276; + t['a205'] = 509; + t['a85'] = 509; + t['a206'] = 410; + t['a86'] = 410; + t['a87'] = 234; + t['a88'] = 234; + t['a95'] = 334; + t['a96'] = 334; + t['a101'] = 732; + t['a102'] = 544; + t['a103'] = 544; + t['a104'] = 910; + t['a106'] = 667; + t['a107'] = 760; + t['a108'] = 760; + t['a112'] = 776; + t['a111'] = 595; + t['a110'] = 694; + t['a109'] = 626; + t['a120'] = 788; + t['a121'] = 788; + t['a122'] = 788; + t['a123'] = 788; + t['a124'] = 788; + t['a125'] = 788; + t['a126'] = 788; + t['a127'] = 788; + t['a128'] = 788; + t['a129'] = 788; + t['a130'] = 788; + t['a131'] = 788; + t['a132'] = 788; + t['a133'] = 788; + t['a134'] = 788; + t['a135'] = 788; + t['a136'] = 788; + t['a137'] = 788; + t['a138'] = 788; + t['a139'] = 788; + t['a140'] = 788; + t['a141'] = 788; + t['a142'] = 788; + t['a143'] = 788; + t['a144'] = 788; + t['a145'] = 788; + t['a146'] = 788; + t['a147'] = 788; + t['a148'] = 788; + t['a149'] = 788; + t['a150'] = 788; + t['a151'] = 788; + t['a152'] = 788; + t['a153'] = 788; + t['a154'] = 788; + t['a155'] = 788; + t['a156'] = 788; + t['a157'] = 788; + t['a158'] = 788; + t['a159'] = 788; + t['a160'] = 894; + t['a161'] = 838; + t['a163'] = 1016; + t['a164'] = 458; + t['a196'] = 748; + t['a165'] = 924; + t['a192'] = 748; + t['a166'] = 918; + t['a167'] = 927; + t['a168'] = 928; + t['a169'] = 928; + t['a170'] = 834; + t['a171'] = 873; + t['a172'] = 828; + t['a173'] = 924; + t['a162'] = 924; + t['a174'] = 917; + t['a175'] = 930; + t['a176'] = 931; + t['a177'] = 463; + t['a178'] = 883; + t['a179'] = 836; + t['a193'] = 836; + t['a180'] = 867; + t['a199'] = 867; + t['a181'] = 696; + t['a200'] = 696; + t['a182'] = 874; + t['a201'] = 874; + t['a183'] = 760; + t['a184'] = 946; + t['a197'] = 771; + t['a185'] = 865; + t['a194'] = 771; + t['a198'] = 888; + t['a186'] = 967; + t['a195'] = 888; + t['a187'] = 831; + t['a188'] = 873; + t['a189'] = 927; + t['a190'] = 970; + t['a191'] = 918; + }); + }); + exports.getMetrics = getMetrics; + })); + (function (root, factory) { + factory(root.pdfjsCoreMurmurHash3 = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var Uint32ArrayView = sharedUtil.Uint32ArrayView; + var MurmurHash3_64 = function MurmurHash3_64Closure(seed) { + // Workaround for missing math precision in JS. + var MASK_HIGH = 0xffff0000; + var MASK_LOW = 0xffff; + function MurmurHash3_64(seed) { + var SEED = 0xc3d2e1f0; + this.h1 = seed ? seed & 0xffffffff : SEED; + this.h2 = seed ? seed & 0xffffffff : SEED; + } + var alwaysUseUint32ArrayView = false; + MurmurHash3_64.prototype = { + update: function MurmurHash3_64_update(input) { + var useUint32ArrayView = alwaysUseUint32ArrayView; + var i; + if (typeof input === 'string') { + var data = new Uint8Array(input.length * 2); + var length = 0; + for (i = 0; i < input.length; i++) { + var code = input.charCodeAt(i); + if (code <= 0xff) { + data[length++] = code; + } else { + data[length++] = code >>> 8; + data[length++] = code & 0xff; + } + } + } else if (input instanceof Uint8Array) { + data = input; + length = data.length; + } else if (typeof input === 'object' && 'length' in input) { + // processing regular arrays as well, e.g. for IE9 + data = input; + length = data.length; + useUint32ArrayView = true; + } else { + throw new Error('Wrong data format in MurmurHash3_64_update. ' + 'Input must be a string or array.'); + } + var blockCounts = length >> 2; + var tailLength = length - blockCounts * 4; + // we don't care about endianness here + var dataUint32 = useUint32ArrayView ? new Uint32ArrayView(data, blockCounts) : new Uint32Array(data.buffer, 0, blockCounts); + var k1 = 0; + var k2 = 0; + var h1 = this.h1; + var h2 = this.h2; + var C1 = 0xcc9e2d51; + var C2 = 0x1b873593; + var C1_LOW = C1 & MASK_LOW; + var C2_LOW = C2 & MASK_LOW; + for (i = 0; i < blockCounts; i++) { + if (i & 1) { + k1 = dataUint32[i]; + k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW; + k1 = k1 << 15 | k1 >>> 17; + k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW; + h1 ^= k1; + h1 = h1 << 13 | h1 >>> 19; + h1 = h1 * 5 + 0xe6546b64; + } else { + k2 = dataUint32[i]; + k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW; + k2 = k2 << 15 | k2 >>> 17; + k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW; + h2 ^= k2; + h2 = h2 << 13 | h2 >>> 19; + h2 = h2 * 5 + 0xe6546b64; + } + } + k1 = 0; + switch (tailLength) { + case 3: + k1 ^= data[blockCounts * 4 + 2] << 16; + case 2: + k1 ^= data[blockCounts * 4 + 1] << 8; + case 1: + k1 ^= data[blockCounts * 4]; + k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW; + k1 = k1 << 15 | k1 >>> 17; + k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW; + if (blockCounts & 1) { + h1 ^= k1; + } else { + h2 ^= k1; + } + } + this.h1 = h1; + this.h2 = h2; + return this; + }, + hexdigest: function MurmurHash3_64_hexdigest() { + var h1 = this.h1; + var h2 = this.h2; + h1 ^= h2 >>> 1; + h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW; + h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16; + h1 ^= h2 >>> 1; + h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW; + h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16; + h1 ^= h2 >>> 1; + for (var i = 0, arr = [ + h1, + h2 + ], str = ''; i < arr.length; i++) { + var hex = (arr[i] >>> 0).toString(16); + while (hex.length < 8) { + hex = '0' + hex; + } + str += hex; + } + return str; + } + }; + return MurmurHash3_64; + }(); + exports.MurmurHash3_64 = MurmurHash3_64; + })); + (function (root, factory) { + factory(root.pdfjsCorePrimitives = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var isArray = sharedUtil.isArray; + var Name = function NameClosure() { + function Name(name) { + this.name = name; + } + Name.prototype = {}; + var nameCache = Object.create(null); + Name.get = function Name_get(name) { + var nameValue = nameCache[name]; + return nameValue ? nameValue : nameCache[name] = new Name(name); + }; + return Name; + }(); + var Cmd = function CmdClosure() { + function Cmd(cmd) { + this.cmd = cmd; + } + Cmd.prototype = {}; + var cmdCache = Object.create(null); + Cmd.get = function Cmd_get(cmd) { + var cmdValue = cmdCache[cmd]; + return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd); + }; + return Cmd; + }(); + var Dict = function DictClosure() { + var nonSerializable = function nonSerializableClosure() { + return nonSerializable; + }; + // creating closure on some variable + // xref is optional + function Dict(xref) { + // Map should only be used internally, use functions below to access. + this.map = Object.create(null); + this.xref = xref; + this.objId = null; + this.suppressEncryption = false; + this.__nonSerializable__ = nonSerializable; + } + // disable cloning of the Dict + Dict.prototype = { + assignXref: function Dict_assignXref(newXref) { + this.xref = newXref; + }, + // automatically dereferences Ref objects + get: function Dict_get(key1, key2, key3) { + var value; + var xref = this.xref, suppressEncryption = this.suppressEncryption; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || typeof key2 === 'undefined') { + return xref ? xref.fetchIfRef(value, suppressEncryption) : value; + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || typeof key3 === 'undefined') { + return xref ? xref.fetchIfRef(value, suppressEncryption) : value; + } + value = this.map[key3] || null; + return xref ? xref.fetchIfRef(value, suppressEncryption) : value; + }, + // Same as get(), but returns a promise and uses fetchIfRefAsync(). + getAsync: function Dict_getAsync(key1, key2, key3) { + var value; + var xref = this.xref, suppressEncryption = this.suppressEncryption; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || typeof key2 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value, suppressEncryption); + } + return Promise.resolve(value); + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || typeof key3 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value, suppressEncryption); + } + return Promise.resolve(value); + } + value = this.map[key3] || null; + if (xref) { + return xref.fetchIfRefAsync(value, suppressEncryption); + } + return Promise.resolve(value); + }, + // Same as get(), but dereferences all elements if the result is an Array. + getArray: function Dict_getArray(key1, key2, key3) { + var value = this.get(key1, key2, key3); + var xref = this.xref, suppressEncryption = this.suppressEncryption; + if (!isArray(value) || !xref) { + return value; + } + value = value.slice(); + // Ensure that we don't modify the Dict data. + for (var i = 0, ii = value.length; i < ii; i++) { + if (!isRef(value[i])) { + continue; + } + value[i] = xref.fetch(value[i], suppressEncryption); + } + return value; + }, + // no dereferencing + getRaw: function Dict_getRaw(key) { + return this.map[key]; + }, + getKeys: function Dict_getKeys() { + return Object.keys(this.map); + }, + set: function Dict_set(key, value) { + this.map[key] = value; + }, + has: function Dict_has(key) { + return key in this.map; + }, + forEach: function Dict_forEach(callback) { + for (var key in this.map) { + callback(key, this.get(key)); + } + } + }; + Dict.empty = new Dict(null); + Dict.merge = function Dict_merge(xref, dictArray) { + var mergedDict = new Dict(xref); + for (var i = 0, ii = dictArray.length; i < ii; i++) { + var dict = dictArray[i]; + if (!isDict(dict)) { + continue; + } + for (var keyName in dict.map) { + if (mergedDict.map[keyName]) { + continue; + } + mergedDict.map[keyName] = dict.map[keyName]; + } + } + return mergedDict; + }; + return Dict; + }(); + var Ref = function RefClosure() { + function Ref(num, gen) { + this.num = num; + this.gen = gen; + } + Ref.prototype = { + toString: function Ref_toString() { + // This function is hot, so we make the string as compact as possible. + // |this.gen| is almost always zero, so we treat that case specially. + var str = this.num + 'R'; + if (this.gen !== 0) { + str += this.gen; + } + return str; + } + }; + return Ref; + }(); + // The reference is identified by number and generation. + // This structure stores only one instance of the reference. + var RefSet = function RefSetClosure() { + function RefSet() { + this.dict = Object.create(null); + } + RefSet.prototype = { + has: function RefSet_has(ref) { + return ref.toString() in this.dict; + }, + put: function RefSet_put(ref) { + this.dict[ref.toString()] = true; + }, + remove: function RefSet_remove(ref) { + delete this.dict[ref.toString()]; + } + }; + return RefSet; + }(); + var RefSetCache = function RefSetCacheClosure() { + function RefSetCache() { + this.dict = Object.create(null); + } + RefSetCache.prototype = { + get: function RefSetCache_get(ref) { + return this.dict[ref.toString()]; + }, + has: function RefSetCache_has(ref) { + return ref.toString() in this.dict; + }, + put: function RefSetCache_put(ref, obj) { + this.dict[ref.toString()] = obj; + }, + putAlias: function RefSetCache_putAlias(ref, aliasRef) { + this.dict[ref.toString()] = this.get(aliasRef); + }, + forEach: function RefSetCache_forEach(fn, thisArg) { + for (var i in this.dict) { + fn.call(thisArg, this.dict[i]); + } + }, + clear: function RefSetCache_clear() { + this.dict = Object.create(null); + } + }; + return RefSetCache; + }(); + function isName(v, name) { + return v instanceof Name && (name === undefined || v.name === name); + } + function isCmd(v, cmd) { + return v instanceof Cmd && (cmd === undefined || v.cmd === cmd); + } + function isDict(v, type) { + return v instanceof Dict && (type === undefined || isName(v.get('Type'), type)); + } + function isRef(v) { + return v instanceof Ref; + } + function isRefsEqual(v1, v2) { + return v1.num === v2.num && v1.gen === v2.gen; + } + function isStream(v) { + return typeof v === 'object' && v !== null && v.getBytes !== undefined; + } + exports.Cmd = Cmd; + exports.Dict = Dict; + exports.Name = Name; + exports.Ref = Ref; + exports.RefSet = RefSet; + exports.RefSetCache = RefSetCache; + exports.isCmd = isCmd; + exports.isDict = isDict; + exports.isName = isName; + exports.isRef = isRef; + exports.isRefsEqual = isRefsEqual; + exports.isStream = isStream; + })); + (function (root, factory) { + factory(root.pdfjsCoreStandardFonts = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var getLookupTableFactory = sharedUtil.getLookupTableFactory; + /** + * Hold a map of decoded fonts and of the standard fourteen Type1 + * fonts and their acronyms. + */ + var getStdFontMap = getLookupTableFactory(function (t) { + t['ArialNarrow'] = 'Helvetica'; + t['ArialNarrow-Bold'] = 'Helvetica-Bold'; + t['ArialNarrow-BoldItalic'] = 'Helvetica-BoldOblique'; + t['ArialNarrow-Italic'] = 'Helvetica-Oblique'; + t['ArialBlack'] = 'Helvetica'; + t['ArialBlack-Bold'] = 'Helvetica-Bold'; + t['ArialBlack-BoldItalic'] = 'Helvetica-BoldOblique'; + t['ArialBlack-Italic'] = 'Helvetica-Oblique'; + t['Arial'] = 'Helvetica'; + t['Arial-Bold'] = 'Helvetica-Bold'; + t['Arial-BoldItalic'] = 'Helvetica-BoldOblique'; + t['Arial-Italic'] = 'Helvetica-Oblique'; + t['Arial-BoldItalicMT'] = 'Helvetica-BoldOblique'; + t['Arial-BoldMT'] = 'Helvetica-Bold'; + t['Arial-ItalicMT'] = 'Helvetica-Oblique'; + t['ArialMT'] = 'Helvetica'; + t['Courier-Bold'] = 'Courier-Bold'; + t['Courier-BoldItalic'] = 'Courier-BoldOblique'; + t['Courier-Italic'] = 'Courier-Oblique'; + t['CourierNew'] = 'Courier'; + t['CourierNew-Bold'] = 'Courier-Bold'; + t['CourierNew-BoldItalic'] = 'Courier-BoldOblique'; + t['CourierNew-Italic'] = 'Courier-Oblique'; + t['CourierNewPS-BoldItalicMT'] = 'Courier-BoldOblique'; + t['CourierNewPS-BoldMT'] = 'Courier-Bold'; + t['CourierNewPS-ItalicMT'] = 'Courier-Oblique'; + t['CourierNewPSMT'] = 'Courier'; + t['Helvetica'] = 'Helvetica'; + t['Helvetica-Bold'] = 'Helvetica-Bold'; + t['Helvetica-BoldItalic'] = 'Helvetica-BoldOblique'; + t['Helvetica-BoldOblique'] = 'Helvetica-BoldOblique'; + t['Helvetica-Italic'] = 'Helvetica-Oblique'; + t['Helvetica-Oblique'] = 'Helvetica-Oblique'; + t['Symbol-Bold'] = 'Symbol'; + t['Symbol-BoldItalic'] = 'Symbol'; + t['Symbol-Italic'] = 'Symbol'; + t['TimesNewRoman'] = 'Times-Roman'; + t['TimesNewRoman-Bold'] = 'Times-Bold'; + t['TimesNewRoman-BoldItalic'] = 'Times-BoldItalic'; + t['TimesNewRoman-Italic'] = 'Times-Italic'; + t['TimesNewRomanPS'] = 'Times-Roman'; + t['TimesNewRomanPS-Bold'] = 'Times-Bold'; + t['TimesNewRomanPS-BoldItalic'] = 'Times-BoldItalic'; + t['TimesNewRomanPS-BoldItalicMT'] = 'Times-BoldItalic'; + t['TimesNewRomanPS-BoldMT'] = 'Times-Bold'; + t['TimesNewRomanPS-Italic'] = 'Times-Italic'; + t['TimesNewRomanPS-ItalicMT'] = 'Times-Italic'; + t['TimesNewRomanPSMT'] = 'Times-Roman'; + t['TimesNewRomanPSMT-Bold'] = 'Times-Bold'; + t['TimesNewRomanPSMT-BoldItalic'] = 'Times-BoldItalic'; + t['TimesNewRomanPSMT-Italic'] = 'Times-Italic'; + }); + /** + * Holds the map of the non-standard fonts that might be included as + * a standard fonts without glyph data. + */ + var getNonStdFontMap = getLookupTableFactory(function (t) { + t['CenturyGothic'] = 'Helvetica'; + t['CenturyGothic-Bold'] = 'Helvetica-Bold'; + t['CenturyGothic-BoldItalic'] = 'Helvetica-BoldOblique'; + t['CenturyGothic-Italic'] = 'Helvetica-Oblique'; + t['ComicSansMS'] = 'Comic Sans MS'; + t['ComicSansMS-Bold'] = 'Comic Sans MS-Bold'; + t['ComicSansMS-BoldItalic'] = 'Comic Sans MS-BoldItalic'; + t['ComicSansMS-Italic'] = 'Comic Sans MS-Italic'; + t['LucidaConsole'] = 'Courier'; + t['LucidaConsole-Bold'] = 'Courier-Bold'; + t['LucidaConsole-BoldItalic'] = 'Courier-BoldOblique'; + t['LucidaConsole-Italic'] = 'Courier-Oblique'; + t['MS-Gothic'] = 'MS Gothic'; + t['MS-Gothic-Bold'] = 'MS Gothic-Bold'; + t['MS-Gothic-BoldItalic'] = 'MS Gothic-BoldItalic'; + t['MS-Gothic-Italic'] = 'MS Gothic-Italic'; + t['MS-Mincho'] = 'MS Mincho'; + t['MS-Mincho-Bold'] = 'MS Mincho-Bold'; + t['MS-Mincho-BoldItalic'] = 'MS Mincho-BoldItalic'; + t['MS-Mincho-Italic'] = 'MS Mincho-Italic'; + t['MS-PGothic'] = 'MS PGothic'; + t['MS-PGothic-Bold'] = 'MS PGothic-Bold'; + t['MS-PGothic-BoldItalic'] = 'MS PGothic-BoldItalic'; + t['MS-PGothic-Italic'] = 'MS PGothic-Italic'; + t['MS-PMincho'] = 'MS PMincho'; + t['MS-PMincho-Bold'] = 'MS PMincho-Bold'; + t['MS-PMincho-BoldItalic'] = 'MS PMincho-BoldItalic'; + t['MS-PMincho-Italic'] = 'MS PMincho-Italic'; + t['Wingdings'] = 'ZapfDingbats'; + }); + var getSerifFonts = getLookupTableFactory(function (t) { + t['Adobe Jenson'] = true; + t['Adobe Text'] = true; + t['Albertus'] = true; + t['Aldus'] = true; + t['Alexandria'] = true; + t['Algerian'] = true; + t['American Typewriter'] = true; + t['Antiqua'] = true; + t['Apex'] = true; + t['Arno'] = true; + t['Aster'] = true; + t['Aurora'] = true; + t['Baskerville'] = true; + t['Bell'] = true; + t['Bembo'] = true; + t['Bembo Schoolbook'] = true; + t['Benguiat'] = true; + t['Berkeley Old Style'] = true; + t['Bernhard Modern'] = true; + t['Berthold City'] = true; + t['Bodoni'] = true; + t['Bauer Bodoni'] = true; + t['Book Antiqua'] = true; + t['Bookman'] = true; + t['Bordeaux Roman'] = true; + t['Californian FB'] = true; + t['Calisto'] = true; + t['Calvert'] = true; + t['Capitals'] = true; + t['Cambria'] = true; + t['Cartier'] = true; + t['Caslon'] = true; + t['Catull'] = true; + t['Centaur'] = true; + t['Century Old Style'] = true; + t['Century Schoolbook'] = true; + t['Chaparral'] = true; + t['Charis SIL'] = true; + t['Cheltenham'] = true; + t['Cholla Slab'] = true; + t['Clarendon'] = true; + t['Clearface'] = true; + t['Cochin'] = true; + t['Colonna'] = true; + t['Computer Modern'] = true; + t['Concrete Roman'] = true; + t['Constantia'] = true; + t['Cooper Black'] = true; + t['Corona'] = true; + t['Ecotype'] = true; + t['Egyptienne'] = true; + t['Elephant'] = true; + t['Excelsior'] = true; + t['Fairfield'] = true; + t['FF Scala'] = true; + t['Folkard'] = true; + t['Footlight'] = true; + t['FreeSerif'] = true; + t['Friz Quadrata'] = true; + t['Garamond'] = true; + t['Gentium'] = true; + t['Georgia'] = true; + t['Gloucester'] = true; + t['Goudy Old Style'] = true; + t['Goudy Schoolbook'] = true; + t['Goudy Pro Font'] = true; + t['Granjon'] = true; + t['Guardian Egyptian'] = true; + t['Heather'] = true; + t['Hercules'] = true; + t['High Tower Text'] = true; + t['Hiroshige'] = true; + t['Hoefler Text'] = true; + t['Humana Serif'] = true; + t['Imprint'] = true; + t['Ionic No. 5'] = true; + t['Janson'] = true; + t['Joanna'] = true; + t['Korinna'] = true; + t['Lexicon'] = true; + t['Liberation Serif'] = true; + t['Linux Libertine'] = true; + t['Literaturnaya'] = true; + t['Lucida'] = true; + t['Lucida Bright'] = true; + t['Melior'] = true; + t['Memphis'] = true; + t['Miller'] = true; + t['Minion'] = true; + t['Modern'] = true; + t['Mona Lisa'] = true; + t['Mrs Eaves'] = true; + t['MS Serif'] = true; + t['Museo Slab'] = true; + t['New York'] = true; + t['Nimbus Roman'] = true; + t['NPS Rawlinson Roadway'] = true; + t['Palatino'] = true; + t['Perpetua'] = true; + t['Plantin'] = true; + t['Plantin Schoolbook'] = true; + t['Playbill'] = true; + t['Poor Richard'] = true; + t['Rawlinson Roadway'] = true; + t['Renault'] = true; + t['Requiem'] = true; + t['Rockwell'] = true; + t['Roman'] = true; + t['Rotis Serif'] = true; + t['Sabon'] = true; + t['Scala'] = true; + t['Seagull'] = true; + t['Sistina'] = true; + t['Souvenir'] = true; + t['STIX'] = true; + t['Stone Informal'] = true; + t['Stone Serif'] = true; + t['Sylfaen'] = true; + t['Times'] = true; + t['Trajan'] = true; + t['Trinité'] = true; + t['Trump Mediaeval'] = true; + t['Utopia'] = true; + t['Vale Type'] = true; + t['Bitstream Vera'] = true; + t['Vera Serif'] = true; + t['Versailles'] = true; + t['Wanted'] = true; + t['Weiss'] = true; + t['Wide Latin'] = true; + t['Windsor'] = true; + t['XITS'] = true; + }); + var getSymbolsFonts = getLookupTableFactory(function (t) { + t['Dingbats'] = true; + t['Symbol'] = true; + t['ZapfDingbats'] = true; + }); + // Glyph map for well-known standard fonts. Sometimes Ghostscript uses CID + // fonts, but does not embed the CID to GID mapping. The mapping is incomplete + // for all glyphs, but common for some set of the standard fonts. + var getGlyphMapForStandardFonts = getLookupTableFactory(function (t) { + t[2] = 10; + t[3] = 32; + t[4] = 33; + t[5] = 34; + t[6] = 35; + t[7] = 36; + t[8] = 37; + t[9] = 38; + t[10] = 39; + t[11] = 40; + t[12] = 41; + t[13] = 42; + t[14] = 43; + t[15] = 44; + t[16] = 45; + t[17] = 46; + t[18] = 47; + t[19] = 48; + t[20] = 49; + t[21] = 50; + t[22] = 51; + t[23] = 52; + t[24] = 53; + t[25] = 54; + t[26] = 55; + t[27] = 56; + t[28] = 57; + t[29] = 58; + t[30] = 894; + t[31] = 60; + t[32] = 61; + t[33] = 62; + t[34] = 63; + t[35] = 64; + t[36] = 65; + t[37] = 66; + t[38] = 67; + t[39] = 68; + t[40] = 69; + t[41] = 70; + t[42] = 71; + t[43] = 72; + t[44] = 73; + t[45] = 74; + t[46] = 75; + t[47] = 76; + t[48] = 77; + t[49] = 78; + t[50] = 79; + t[51] = 80; + t[52] = 81; + t[53] = 82; + t[54] = 83; + t[55] = 84; + t[56] = 85; + t[57] = 86; + t[58] = 87; + t[59] = 88; + t[60] = 89; + t[61] = 90; + t[62] = 91; + t[63] = 92; + t[64] = 93; + t[65] = 94; + t[66] = 95; + t[67] = 96; + t[68] = 97; + t[69] = 98; + t[70] = 99; + t[71] = 100; + t[72] = 101; + t[73] = 102; + t[74] = 103; + t[75] = 104; + t[76] = 105; + t[77] = 106; + t[78] = 107; + t[79] = 108; + t[80] = 109; + t[81] = 110; + t[82] = 111; + t[83] = 112; + t[84] = 113; + t[85] = 114; + t[86] = 115; + t[87] = 116; + t[88] = 117; + t[89] = 118; + t[90] = 119; + t[91] = 120; + t[92] = 121; + t[93] = 122; + t[94] = 123; + t[95] = 124; + t[96] = 125; + t[97] = 126; + t[98] = 196; + t[99] = 197; + t[100] = 199; + t[101] = 201; + t[102] = 209; + t[103] = 214; + t[104] = 220; + t[105] = 225; + t[106] = 224; + t[107] = 226; + t[108] = 228; + t[109] = 227; + t[110] = 229; + t[111] = 231; + t[112] = 233; + t[113] = 232; + t[114] = 234; + t[115] = 235; + t[116] = 237; + t[117] = 236; + t[118] = 238; + t[119] = 239; + t[120] = 241; + t[121] = 243; + t[122] = 242; + t[123] = 244; + t[124] = 246; + t[125] = 245; + t[126] = 250; + t[127] = 249; + t[128] = 251; + t[129] = 252; + t[130] = 8224; + t[131] = 176; + t[132] = 162; + t[133] = 163; + t[134] = 167; + t[135] = 8226; + t[136] = 182; + t[137] = 223; + t[138] = 174; + t[139] = 169; + t[140] = 8482; + t[141] = 180; + t[142] = 168; + t[143] = 8800; + t[144] = 198; + t[145] = 216; + t[146] = 8734; + t[147] = 177; + t[148] = 8804; + t[149] = 8805; + t[150] = 165; + t[151] = 181; + t[152] = 8706; + t[153] = 8721; + t[154] = 8719; + t[156] = 8747; + t[157] = 170; + t[158] = 186; + t[159] = 8486; + t[160] = 230; + t[161] = 248; + t[162] = 191; + t[163] = 161; + t[164] = 172; + t[165] = 8730; + t[166] = 402; + t[167] = 8776; + t[168] = 8710; + t[169] = 171; + t[170] = 187; + t[171] = 8230; + t[210] = 218; + t[223] = 711; + t[224] = 321; + t[225] = 322; + t[227] = 353; + t[229] = 382; + t[234] = 253; + t[252] = 263; + t[253] = 268; + t[254] = 269; + t[258] = 258; + t[260] = 260; + t[261] = 261; + t[265] = 280; + t[266] = 281; + t[268] = 283; + t[269] = 313; + t[275] = 323; + t[276] = 324; + t[278] = 328; + t[284] = 345; + t[285] = 346; + t[286] = 347; + t[292] = 367; + t[295] = 377; + t[296] = 378; + t[298] = 380; + t[305] = 963; + t[306] = 964; + t[307] = 966; + t[308] = 8215; + t[309] = 8252; + t[310] = 8319; + t[311] = 8359; + t[312] = 8592; + t[313] = 8593; + t[337] = 9552; + t[493] = 1039; + t[494] = 1040; + t[705] = 1524; + t[706] = 8362; + t[710] = 64288; + t[711] = 64298; + t[759] = 1617; + t[761] = 1776; + t[763] = 1778; + t[775] = 1652; + t[777] = 1764; + t[778] = 1780; + t[779] = 1781; + t[780] = 1782; + t[782] = 771; + t[783] = 64726; + t[786] = 8363; + t[788] = 8532; + t[790] = 768; + t[791] = 769; + t[792] = 768; + t[795] = 803; + t[797] = 64336; + t[798] = 64337; + t[799] = 64342; + t[800] = 64343; + t[801] = 64344; + t[802] = 64345; + t[803] = 64362; + t[804] = 64363; + t[805] = 64364; + t[2424] = 7821; + t[2425] = 7822; + t[2426] = 7823; + t[2427] = 7824; + t[2428] = 7825; + t[2429] = 7826; + t[2430] = 7827; + t[2433] = 7682; + t[2678] = 8045; + t[2679] = 8046; + t[2830] = 1552; + t[2838] = 686; + t[2840] = 751; + t[2842] = 753; + t[2843] = 754; + t[2844] = 755; + t[2846] = 757; + t[2856] = 767; + t[2857] = 848; + t[2858] = 849; + t[2862] = 853; + t[2863] = 854; + t[2864] = 855; + t[2865] = 861; + t[2866] = 862; + t[2906] = 7460; + t[2908] = 7462; + t[2909] = 7463; + t[2910] = 7464; + t[2912] = 7466; + t[2913] = 7467; + t[2914] = 7468; + t[2916] = 7470; + t[2917] = 7471; + t[2918] = 7472; + t[2920] = 7474; + t[2921] = 7475; + t[2922] = 7476; + t[2924] = 7478; + t[2925] = 7479; + t[2926] = 7480; + t[2928] = 7482; + t[2929] = 7483; + t[2930] = 7484; + t[2932] = 7486; + t[2933] = 7487; + t[2934] = 7488; + t[2936] = 7490; + t[2937] = 7491; + t[2938] = 7492; + t[2940] = 7494; + t[2941] = 7495; + t[2942] = 7496; + t[2944] = 7498; + t[2946] = 7500; + t[2948] = 7502; + t[2950] = 7504; + t[2951] = 7505; + t[2952] = 7506; + t[2954] = 7508; + t[2955] = 7509; + t[2956] = 7510; + t[2958] = 7512; + t[2959] = 7513; + t[2960] = 7514; + t[2962] = 7516; + t[2963] = 7517; + t[2964] = 7518; + t[2966] = 7520; + t[2967] = 7521; + t[2968] = 7522; + t[2970] = 7524; + t[2971] = 7525; + t[2972] = 7526; + t[2974] = 7528; + t[2975] = 7529; + t[2976] = 7530; + t[2978] = 1537; + t[2979] = 1538; + t[2980] = 1539; + t[2982] = 1549; + t[2983] = 1551; + t[2984] = 1552; + t[2986] = 1554; + t[2987] = 1555; + t[2988] = 1556; + t[2990] = 1623; + t[2991] = 1624; + t[2995] = 1775; + t[2999] = 1791; + t[3002] = 64290; + t[3003] = 64291; + t[3004] = 64292; + t[3006] = 64294; + t[3007] = 64295; + t[3008] = 64296; + t[3011] = 1900; + t[3014] = 8223; + t[3015] = 8244; + t[3017] = 7532; + t[3018] = 7533; + t[3019] = 7534; + t[3075] = 7590; + t[3076] = 7591; + t[3079] = 7594; + t[3080] = 7595; + t[3083] = 7598; + t[3084] = 7599; + t[3087] = 7602; + t[3088] = 7603; + t[3091] = 7606; + t[3092] = 7607; + t[3095] = 7610; + t[3096] = 7611; + t[3099] = 7614; + t[3100] = 7615; + t[3103] = 7618; + t[3104] = 7619; + t[3107] = 8337; + t[3108] = 8338; + t[3116] = 1884; + t[3119] = 1885; + t[3120] = 1885; + t[3123] = 1886; + t[3124] = 1886; + t[3127] = 1887; + t[3128] = 1887; + t[3131] = 1888; + t[3132] = 1888; + t[3135] = 1889; + t[3136] = 1889; + t[3139] = 1890; + t[3140] = 1890; + t[3143] = 1891; + t[3144] = 1891; + t[3147] = 1892; + t[3148] = 1892; + t[3153] = 580; + t[3154] = 581; + t[3157] = 584; + t[3158] = 585; + t[3161] = 588; + t[3162] = 589; + t[3165] = 891; + t[3166] = 892; + t[3169] = 1274; + t[3170] = 1275; + t[3173] = 1278; + t[3174] = 1279; + t[3181] = 7622; + t[3182] = 7623; + t[3282] = 11799; + t[3316] = 578; + t[3379] = 42785; + t[3393] = 1159; + t[3416] = 8377; + }); + // The glyph map for ArialBlack differs slightly from the glyph map used for + // other well-known standard fonts. Hence we use this (incomplete) CID to GID + // mapping to adjust the glyph map for non-embedded ArialBlack fonts. + var getSupplementalGlyphMapForArialBlack = getLookupTableFactory(function (t) { + t[227] = 322; + t[264] = 261; + t[291] = 346; + }); + exports.getStdFontMap = getStdFontMap; + exports.getNonStdFontMap = getNonStdFontMap; + exports.getSerifFonts = getSerifFonts; + exports.getSymbolsFonts = getSymbolsFonts; + exports.getGlyphMapForStandardFonts = getGlyphMapForStandardFonts; + exports.getSupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack; + })); + (function (root, factory) { + factory(root.pdfjsCoreUnicode = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var getLookupTableFactory = sharedUtil.getLookupTableFactory; + // Some characters, e.g. copyrightserif, are mapped to the private use area + // and might not be displayed using standard fonts. Mapping/hacking well-known + // chars to the similar equivalents in the normal characters range. + var getSpecialPUASymbols = getLookupTableFactory(function (t) { + t[63721] = 0x00A9; + // copyrightsans (0xF8E9) => copyright + t[63193] = 0x00A9; + // copyrightserif (0xF6D9) => copyright + t[63720] = 0x00AE; + // registersans (0xF8E8) => registered + t[63194] = 0x00AE; + // registerserif (0xF6DA) => registered + t[63722] = 0x2122; + // trademarksans (0xF8EA) => trademark + t[63195] = 0x2122; + // trademarkserif (0xF6DB) => trademark + t[63729] = 0x23A7; + // bracelefttp (0xF8F1) + t[63730] = 0x23A8; + // braceleftmid (0xF8F2) + t[63731] = 0x23A9; + // braceleftbt (0xF8F3) + t[63740] = 0x23AB; + // bracerighttp (0xF8FC) + t[63741] = 0x23AC; + // bracerightmid (0xF8FD) + t[63742] = 0x23AD; + // bracerightbt (0xF8FE) + t[63726] = 0x23A1; + // bracketlefttp (0xF8EE) + t[63727] = 0x23A2; + // bracketleftex (0xF8EF) + t[63728] = 0x23A3; + // bracketleftbt (0xF8F0) + t[63737] = 0x23A4; + // bracketrighttp (0xF8F9) + t[63738] = 0x23A5; + // bracketrightex (0xF8FA) + t[63739] = 0x23A6; + // bracketrightbt (0xF8FB) + t[63723] = 0x239B; + // parenlefttp (0xF8EB) + t[63724] = 0x239C; + // parenleftex (0xF8EC) + t[63725] = 0x239D; + // parenleftbt (0xF8ED) + t[63734] = 0x239E; + // parenrighttp (0xF8F6) + t[63735] = 0x239F; + // parenrightex (0xF8F7) + t[63736] = 0x23A0; + }); + // parenrightbt (0xF8F8) + function mapSpecialUnicodeValues(code) { + if (code >= 0xFFF0 && code <= 0xFFFF) { + // Specials unicode block. + return 0; + } else if (code >= 0xF600 && code <= 0xF8FF) { + return getSpecialPUASymbols()[code] || code; + } + return code; + } + function getUnicodeForGlyph(name, glyphsUnicodeMap) { + var unicode = glyphsUnicodeMap[name]; + if (unicode !== undefined) { + return unicode; + } + if (!name) { + return -1; + } + // Try to recover valid Unicode values from 'uniXXXX'/'uXXXX{XX}' glyphs. + if (name[0] === 'u') { + var nameLen = name.length, hexStr; + if (nameLen === 7 && name[1] === 'n' && name[2] === 'i') { + // 'uniXXXX' + hexStr = name.substr(3); + } else if (nameLen >= 5 && nameLen <= 7) { + // 'uXXXX{XX}' + hexStr = name.substr(1); + } else { + return -1; + } + // Check for upper-case hexadecimal characters, to avoid false positives. + if (hexStr === hexStr.toUpperCase()) { + unicode = parseInt(hexStr, 16); + if (unicode >= 0) { + return unicode; + } + } + } + return -1; + } + var UnicodeRanges = [ + { + 'begin': 0x0000, + 'end': 0x007F + }, + // Basic Latin + { + 'begin': 0x0080, + 'end': 0x00FF + }, + // Latin-1 Supplement + { + 'begin': 0x0100, + 'end': 0x017F + }, + // Latin Extended-A + { + 'begin': 0x0180, + 'end': 0x024F + }, + // Latin Extended-B + { + 'begin': 0x0250, + 'end': 0x02AF + }, + // IPA Extensions + { + 'begin': 0x02B0, + 'end': 0x02FF + }, + // Spacing Modifier Letters + { + 'begin': 0x0300, + 'end': 0x036F + }, + // Combining Diacritical Marks + { + 'begin': 0x0370, + 'end': 0x03FF + }, + // Greek and Coptic + { + 'begin': 0x2C80, + 'end': 0x2CFF + }, + // Coptic + { + 'begin': 0x0400, + 'end': 0x04FF + }, + // Cyrillic + { + 'begin': 0x0530, + 'end': 0x058F + }, + // Armenian + { + 'begin': 0x0590, + 'end': 0x05FF + }, + // Hebrew + { + 'begin': 0xA500, + 'end': 0xA63F + }, + // Vai + { + 'begin': 0x0600, + 'end': 0x06FF + }, + // Arabic + { + 'begin': 0x07C0, + 'end': 0x07FF + }, + // NKo + { + 'begin': 0x0900, + 'end': 0x097F + }, + // Devanagari + { + 'begin': 0x0980, + 'end': 0x09FF + }, + // Bengali + { + 'begin': 0x0A00, + 'end': 0x0A7F + }, + // Gurmukhi + { + 'begin': 0x0A80, + 'end': 0x0AFF + }, + // Gujarati + { + 'begin': 0x0B00, + 'end': 0x0B7F + }, + // Oriya + { + 'begin': 0x0B80, + 'end': 0x0BFF + }, + // Tamil + { + 'begin': 0x0C00, + 'end': 0x0C7F + }, + // Telugu + { + 'begin': 0x0C80, + 'end': 0x0CFF + }, + // Kannada + { + 'begin': 0x0D00, + 'end': 0x0D7F + }, + // Malayalam + { + 'begin': 0x0E00, + 'end': 0x0E7F + }, + // Thai + { + 'begin': 0x0E80, + 'end': 0x0EFF + }, + // Lao + { + 'begin': 0x10A0, + 'end': 0x10FF + }, + // Georgian + { + 'begin': 0x1B00, + 'end': 0x1B7F + }, + // Balinese + { + 'begin': 0x1100, + 'end': 0x11FF + }, + // Hangul Jamo + { + 'begin': 0x1E00, + 'end': 0x1EFF + }, + // Latin Extended Additional + { + 'begin': 0x1F00, + 'end': 0x1FFF + }, + // Greek Extended + { + 'begin': 0x2000, + 'end': 0x206F + }, + // General Punctuation + { + 'begin': 0x2070, + 'end': 0x209F + }, + // Superscripts And Subscripts + { + 'begin': 0x20A0, + 'end': 0x20CF + }, + // Currency Symbol + { + 'begin': 0x20D0, + 'end': 0x20FF + }, + // Combining Diacritical Marks + { + 'begin': 0x2100, + 'end': 0x214F + }, + // Letterlike Symbols + { + 'begin': 0x2150, + 'end': 0x218F + }, + // Number Forms + { + 'begin': 0x2190, + 'end': 0x21FF + }, + // Arrows + { + 'begin': 0x2200, + 'end': 0x22FF + }, + // Mathematical Operators + { + 'begin': 0x2300, + 'end': 0x23FF + }, + // Miscellaneous Technical + { + 'begin': 0x2400, + 'end': 0x243F + }, + // Control Pictures + { + 'begin': 0x2440, + 'end': 0x245F + }, + // Optical Character Recognition + { + 'begin': 0x2460, + 'end': 0x24FF + }, + // Enclosed Alphanumerics + { + 'begin': 0x2500, + 'end': 0x257F + }, + // Box Drawing + { + 'begin': 0x2580, + 'end': 0x259F + }, + // Block Elements + { + 'begin': 0x25A0, + 'end': 0x25FF + }, + // Geometric Shapes + { + 'begin': 0x2600, + 'end': 0x26FF + }, + // Miscellaneous Symbols + { + 'begin': 0x2700, + 'end': 0x27BF + }, + // Dingbats + { + 'begin': 0x3000, + 'end': 0x303F + }, + // CJK Symbols And Punctuation + { + 'begin': 0x3040, + 'end': 0x309F + }, + // Hiragana + { + 'begin': 0x30A0, + 'end': 0x30FF + }, + // Katakana + { + 'begin': 0x3100, + 'end': 0x312F + }, + // Bopomofo + { + 'begin': 0x3130, + 'end': 0x318F + }, + // Hangul Compatibility Jamo + { + 'begin': 0xA840, + 'end': 0xA87F + }, + // Phags-pa + { + 'begin': 0x3200, + 'end': 0x32FF + }, + // Enclosed CJK Letters And Months + { + 'begin': 0x3300, + 'end': 0x33FF + }, + // CJK Compatibility + { + 'begin': 0xAC00, + 'end': 0xD7AF + }, + // Hangul Syllables + { + 'begin': 0xD800, + 'end': 0xDFFF + }, + // Non-Plane 0 * + { + 'begin': 0x10900, + 'end': 0x1091F + }, + // Phoenicia + { + 'begin': 0x4E00, + 'end': 0x9FFF + }, + // CJK Unified Ideographs + { + 'begin': 0xE000, + 'end': 0xF8FF + }, + // Private Use Area (plane 0) + { + 'begin': 0x31C0, + 'end': 0x31EF + }, + // CJK Strokes + { + 'begin': 0xFB00, + 'end': 0xFB4F + }, + // Alphabetic Presentation Forms + { + 'begin': 0xFB50, + 'end': 0xFDFF + }, + // Arabic Presentation Forms-A + { + 'begin': 0xFE20, + 'end': 0xFE2F + }, + // Combining Half Marks + { + 'begin': 0xFE10, + 'end': 0xFE1F + }, + // Vertical Forms + { + 'begin': 0xFE50, + 'end': 0xFE6F + }, + // Small Form Variants + { + 'begin': 0xFE70, + 'end': 0xFEFF + }, + // Arabic Presentation Forms-B + { + 'begin': 0xFF00, + 'end': 0xFFEF + }, + // Halfwidth And Fullwidth Forms + { + 'begin': 0xFFF0, + 'end': 0xFFFF + }, + // Specials + { + 'begin': 0x0F00, + 'end': 0x0FFF + }, + // Tibetan + { + 'begin': 0x0700, + 'end': 0x074F + }, + // Syriac + { + 'begin': 0x0780, + 'end': 0x07BF + }, + // Thaana + { + 'begin': 0x0D80, + 'end': 0x0DFF + }, + // Sinhala + { + 'begin': 0x1000, + 'end': 0x109F + }, + // Myanmar + { + 'begin': 0x1200, + 'end': 0x137F + }, + // Ethiopic + { + 'begin': 0x13A0, + 'end': 0x13FF + }, + // Cherokee + { + 'begin': 0x1400, + 'end': 0x167F + }, + // Unified Canadian Aboriginal Syllabics + { + 'begin': 0x1680, + 'end': 0x169F + }, + // Ogham + { + 'begin': 0x16A0, + 'end': 0x16FF + }, + // Runic + { + 'begin': 0x1780, + 'end': 0x17FF + }, + // Khmer + { + 'begin': 0x1800, + 'end': 0x18AF + }, + // Mongolian + { + 'begin': 0x2800, + 'end': 0x28FF + }, + // Braille Patterns + { + 'begin': 0xA000, + 'end': 0xA48F + }, + // Yi Syllables + { + 'begin': 0x1700, + 'end': 0x171F + }, + // Tagalog + { + 'begin': 0x10300, + 'end': 0x1032F + }, + // Old Italic + { + 'begin': 0x10330, + 'end': 0x1034F + }, + // Gothic + { + 'begin': 0x10400, + 'end': 0x1044F + }, + // Deseret + { + 'begin': 0x1D000, + 'end': 0x1D0FF + }, + // Byzantine Musical Symbols + { + 'begin': 0x1D400, + 'end': 0x1D7FF + }, + // Mathematical Alphanumeric Symbols + { + 'begin': 0xFF000, + 'end': 0xFFFFD + }, + // Private Use (plane 15) + { + 'begin': 0xFE00, + 'end': 0xFE0F + }, + // Variation Selectors + { + 'begin': 0xE0000, + 'end': 0xE007F + }, + // Tags + { + 'begin': 0x1900, + 'end': 0x194F + }, + // Limbu + { + 'begin': 0x1950, + 'end': 0x197F + }, + // Tai Le + { + 'begin': 0x1980, + 'end': 0x19DF + }, + // New Tai Lue + { + 'begin': 0x1A00, + 'end': 0x1A1F + }, + // Buginese + { + 'begin': 0x2C00, + 'end': 0x2C5F + }, + // Glagolitic + { + 'begin': 0x2D30, + 'end': 0x2D7F + }, + // Tifinagh + { + 'begin': 0x4DC0, + 'end': 0x4DFF + }, + // Yijing Hexagram Symbols + { + 'begin': 0xA800, + 'end': 0xA82F + }, + // Syloti Nagri + { + 'begin': 0x10000, + 'end': 0x1007F + }, + // Linear B Syllabary + { + 'begin': 0x10140, + 'end': 0x1018F + }, + // Ancient Greek Numbers + { + 'begin': 0x10380, + 'end': 0x1039F + }, + // Ugaritic + { + 'begin': 0x103A0, + 'end': 0x103DF + }, + // Old Persian + { + 'begin': 0x10450, + 'end': 0x1047F + }, + // Shavian + { + 'begin': 0x10480, + 'end': 0x104AF + }, + // Osmanya + { + 'begin': 0x10800, + 'end': 0x1083F + }, + // Cypriot Syllabary + { + 'begin': 0x10A00, + 'end': 0x10A5F + }, + // Kharoshthi + { + 'begin': 0x1D300, + 'end': 0x1D35F + }, + // Tai Xuan Jing Symbols + { + 'begin': 0x12000, + 'end': 0x123FF + }, + // Cuneiform + { + 'begin': 0x1D360, + 'end': 0x1D37F + }, + // Counting Rod Numerals + { + 'begin': 0x1B80, + 'end': 0x1BBF + }, + // Sundanese + { + 'begin': 0x1C00, + 'end': 0x1C4F + }, + // Lepcha + { + 'begin': 0x1C50, + 'end': 0x1C7F + }, + // Ol Chiki + { + 'begin': 0xA880, + 'end': 0xA8DF + }, + // Saurashtra + { + 'begin': 0xA900, + 'end': 0xA92F + }, + // Kayah Li + { + 'begin': 0xA930, + 'end': 0xA95F + }, + // Rejang + { + 'begin': 0xAA00, + 'end': 0xAA5F + }, + // Cham + { + 'begin': 0x10190, + 'end': 0x101CF + }, + // Ancient Symbols + { + 'begin': 0x101D0, + 'end': 0x101FF + }, + // Phaistos Disc + { + 'begin': 0x102A0, + 'end': 0x102DF + }, + // Carian + { + 'begin': 0x1F030, + 'end': 0x1F09F + } + ]; + // Domino Tiles + function getUnicodeRangeFor(value) { + for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) { + var range = UnicodeRanges[i]; + if (value >= range.begin && value < range.end) { + return i; + } + } + return -1; + } + function isRTLRangeFor(value) { + var range = UnicodeRanges[13]; + if (value >= range.begin && value < range.end) { + return true; + } + range = UnicodeRanges[11]; + if (value >= range.begin && value < range.end) { + return true; + } + return false; + } + // The normalization table is obtained by filtering the Unicode characters + // database with <compat> entries. + var getNormalizedUnicodes = getLookupTableFactory(function (t) { + t['\u00A8'] = '\u0020\u0308'; + t['\u00AF'] = '\u0020\u0304'; + t['\u00B4'] = '\u0020\u0301'; + t['\u00B5'] = '\u03BC'; + t['\u00B8'] = '\u0020\u0327'; + t['\u0132'] = '\u0049\u004A'; + t['\u0133'] = '\u0069\u006A'; + t['\u013F'] = '\u004C\u00B7'; + t['\u0140'] = '\u006C\u00B7'; + t['\u0149'] = '\u02BC\u006E'; + t['\u017F'] = '\u0073'; + t['\u01C4'] = '\u0044\u017D'; + t['\u01C5'] = '\u0044\u017E'; + t['\u01C6'] = '\u0064\u017E'; + t['\u01C7'] = '\u004C\u004A'; + t['\u01C8'] = '\u004C\u006A'; + t['\u01C9'] = '\u006C\u006A'; + t['\u01CA'] = '\u004E\u004A'; + t['\u01CB'] = '\u004E\u006A'; + t['\u01CC'] = '\u006E\u006A'; + t['\u01F1'] = '\u0044\u005A'; + t['\u01F2'] = '\u0044\u007A'; + t['\u01F3'] = '\u0064\u007A'; + t['\u02D8'] = '\u0020\u0306'; + t['\u02D9'] = '\u0020\u0307'; + t['\u02DA'] = '\u0020\u030A'; + t['\u02DB'] = '\u0020\u0328'; + t['\u02DC'] = '\u0020\u0303'; + t['\u02DD'] = '\u0020\u030B'; + t['\u037A'] = '\u0020\u0345'; + t['\u0384'] = '\u0020\u0301'; + t['\u03D0'] = '\u03B2'; + t['\u03D1'] = '\u03B8'; + t['\u03D2'] = '\u03A5'; + t['\u03D5'] = '\u03C6'; + t['\u03D6'] = '\u03C0'; + t['\u03F0'] = '\u03BA'; + t['\u03F1'] = '\u03C1'; + t['\u03F2'] = '\u03C2'; + t['\u03F4'] = '\u0398'; + t['\u03F5'] = '\u03B5'; + t['\u03F9'] = '\u03A3'; + t['\u0587'] = '\u0565\u0582'; + t['\u0675'] = '\u0627\u0674'; + t['\u0676'] = '\u0648\u0674'; + t['\u0677'] = '\u06C7\u0674'; + t['\u0678'] = '\u064A\u0674'; + t['\u0E33'] = '\u0E4D\u0E32'; + t['\u0EB3'] = '\u0ECD\u0EB2'; + t['\u0EDC'] = '\u0EAB\u0E99'; + t['\u0EDD'] = '\u0EAB\u0EA1'; + t['\u0F77'] = '\u0FB2\u0F81'; + t['\u0F79'] = '\u0FB3\u0F81'; + t['\u1E9A'] = '\u0061\u02BE'; + t['\u1FBD'] = '\u0020\u0313'; + t['\u1FBF'] = '\u0020\u0313'; + t['\u1FC0'] = '\u0020\u0342'; + t['\u1FFE'] = '\u0020\u0314'; + t['\u2002'] = '\u0020'; + t['\u2003'] = '\u0020'; + t['\u2004'] = '\u0020'; + t['\u2005'] = '\u0020'; + t['\u2006'] = '\u0020'; + t['\u2008'] = '\u0020'; + t['\u2009'] = '\u0020'; + t['\u200A'] = '\u0020'; + t['\u2017'] = '\u0020\u0333'; + t['\u2024'] = '\u002E'; + t['\u2025'] = '\u002E\u002E'; + t['\u2026'] = '\u002E\u002E\u002E'; + t['\u2033'] = '\u2032\u2032'; + t['\u2034'] = '\u2032\u2032\u2032'; + t['\u2036'] = '\u2035\u2035'; + t['\u2037'] = '\u2035\u2035\u2035'; + t['\u203C'] = '\u0021\u0021'; + t['\u203E'] = '\u0020\u0305'; + t['\u2047'] = '\u003F\u003F'; + t['\u2048'] = '\u003F\u0021'; + t['\u2049'] = '\u0021\u003F'; + t['\u2057'] = '\u2032\u2032\u2032\u2032'; + t['\u205F'] = '\u0020'; + t['\u20A8'] = '\u0052\u0073'; + t['\u2100'] = '\u0061\u002F\u0063'; + t['\u2101'] = '\u0061\u002F\u0073'; + t['\u2103'] = '\u00B0\u0043'; + t['\u2105'] = '\u0063\u002F\u006F'; + t['\u2106'] = '\u0063\u002F\u0075'; + t['\u2107'] = '\u0190'; + t['\u2109'] = '\u00B0\u0046'; + t['\u2116'] = '\u004E\u006F'; + t['\u2121'] = '\u0054\u0045\u004C'; + t['\u2135'] = '\u05D0'; + t['\u2136'] = '\u05D1'; + t['\u2137'] = '\u05D2'; + t['\u2138'] = '\u05D3'; + t['\u213B'] = '\u0046\u0041\u0058'; + t['\u2160'] = '\u0049'; + t['\u2161'] = '\u0049\u0049'; + t['\u2162'] = '\u0049\u0049\u0049'; + t['\u2163'] = '\u0049\u0056'; + t['\u2164'] = '\u0056'; + t['\u2165'] = '\u0056\u0049'; + t['\u2166'] = '\u0056\u0049\u0049'; + t['\u2167'] = '\u0056\u0049\u0049\u0049'; + t['\u2168'] = '\u0049\u0058'; + t['\u2169'] = '\u0058'; + t['\u216A'] = '\u0058\u0049'; + t['\u216B'] = '\u0058\u0049\u0049'; + t['\u216C'] = '\u004C'; + t['\u216D'] = '\u0043'; + t['\u216E'] = '\u0044'; + t['\u216F'] = '\u004D'; + t['\u2170'] = '\u0069'; + t['\u2171'] = '\u0069\u0069'; + t['\u2172'] = '\u0069\u0069\u0069'; + t['\u2173'] = '\u0069\u0076'; + t['\u2174'] = '\u0076'; + t['\u2175'] = '\u0076\u0069'; + t['\u2176'] = '\u0076\u0069\u0069'; + t['\u2177'] = '\u0076\u0069\u0069\u0069'; + t['\u2178'] = '\u0069\u0078'; + t['\u2179'] = '\u0078'; + t['\u217A'] = '\u0078\u0069'; + t['\u217B'] = '\u0078\u0069\u0069'; + t['\u217C'] = '\u006C'; + t['\u217D'] = '\u0063'; + t['\u217E'] = '\u0064'; + t['\u217F'] = '\u006D'; + t['\u222C'] = '\u222B\u222B'; + t['\u222D'] = '\u222B\u222B\u222B'; + t['\u222F'] = '\u222E\u222E'; + t['\u2230'] = '\u222E\u222E\u222E'; + t['\u2474'] = '\u0028\u0031\u0029'; + t['\u2475'] = '\u0028\u0032\u0029'; + t['\u2476'] = '\u0028\u0033\u0029'; + t['\u2477'] = '\u0028\u0034\u0029'; + t['\u2478'] = '\u0028\u0035\u0029'; + t['\u2479'] = '\u0028\u0036\u0029'; + t['\u247A'] = '\u0028\u0037\u0029'; + t['\u247B'] = '\u0028\u0038\u0029'; + t['\u247C'] = '\u0028\u0039\u0029'; + t['\u247D'] = '\u0028\u0031\u0030\u0029'; + t['\u247E'] = '\u0028\u0031\u0031\u0029'; + t['\u247F'] = '\u0028\u0031\u0032\u0029'; + t['\u2480'] = '\u0028\u0031\u0033\u0029'; + t['\u2481'] = '\u0028\u0031\u0034\u0029'; + t['\u2482'] = '\u0028\u0031\u0035\u0029'; + t['\u2483'] = '\u0028\u0031\u0036\u0029'; + t['\u2484'] = '\u0028\u0031\u0037\u0029'; + t['\u2485'] = '\u0028\u0031\u0038\u0029'; + t['\u2486'] = '\u0028\u0031\u0039\u0029'; + t['\u2487'] = '\u0028\u0032\u0030\u0029'; + t['\u2488'] = '\u0031\u002E'; + t['\u2489'] = '\u0032\u002E'; + t['\u248A'] = '\u0033\u002E'; + t['\u248B'] = '\u0034\u002E'; + t['\u248C'] = '\u0035\u002E'; + t['\u248D'] = '\u0036\u002E'; + t['\u248E'] = '\u0037\u002E'; + t['\u248F'] = '\u0038\u002E'; + t['\u2490'] = '\u0039\u002E'; + t['\u2491'] = '\u0031\u0030\u002E'; + t['\u2492'] = '\u0031\u0031\u002E'; + t['\u2493'] = '\u0031\u0032\u002E'; + t['\u2494'] = '\u0031\u0033\u002E'; + t['\u2495'] = '\u0031\u0034\u002E'; + t['\u2496'] = '\u0031\u0035\u002E'; + t['\u2497'] = '\u0031\u0036\u002E'; + t['\u2498'] = '\u0031\u0037\u002E'; + t['\u2499'] = '\u0031\u0038\u002E'; + t['\u249A'] = '\u0031\u0039\u002E'; + t['\u249B'] = '\u0032\u0030\u002E'; + t['\u249C'] = '\u0028\u0061\u0029'; + t['\u249D'] = '\u0028\u0062\u0029'; + t['\u249E'] = '\u0028\u0063\u0029'; + t['\u249F'] = '\u0028\u0064\u0029'; + t['\u24A0'] = '\u0028\u0065\u0029'; + t['\u24A1'] = '\u0028\u0066\u0029'; + t['\u24A2'] = '\u0028\u0067\u0029'; + t['\u24A3'] = '\u0028\u0068\u0029'; + t['\u24A4'] = '\u0028\u0069\u0029'; + t['\u24A5'] = '\u0028\u006A\u0029'; + t['\u24A6'] = '\u0028\u006B\u0029'; + t['\u24A7'] = '\u0028\u006C\u0029'; + t['\u24A8'] = '\u0028\u006D\u0029'; + t['\u24A9'] = '\u0028\u006E\u0029'; + t['\u24AA'] = '\u0028\u006F\u0029'; + t['\u24AB'] = '\u0028\u0070\u0029'; + t['\u24AC'] = '\u0028\u0071\u0029'; + t['\u24AD'] = '\u0028\u0072\u0029'; + t['\u24AE'] = '\u0028\u0073\u0029'; + t['\u24AF'] = '\u0028\u0074\u0029'; + t['\u24B0'] = '\u0028\u0075\u0029'; + t['\u24B1'] = '\u0028\u0076\u0029'; + t['\u24B2'] = '\u0028\u0077\u0029'; + t['\u24B3'] = '\u0028\u0078\u0029'; + t['\u24B4'] = '\u0028\u0079\u0029'; + t['\u24B5'] = '\u0028\u007A\u0029'; + t['\u2A0C'] = '\u222B\u222B\u222B\u222B'; + t['\u2A74'] = '\u003A\u003A\u003D'; + t['\u2A75'] = '\u003D\u003D'; + t['\u2A76'] = '\u003D\u003D\u003D'; + t['\u2E9F'] = '\u6BCD'; + t['\u2EF3'] = '\u9F9F'; + t['\u2F00'] = '\u4E00'; + t['\u2F01'] = '\u4E28'; + t['\u2F02'] = '\u4E36'; + t['\u2F03'] = '\u4E3F'; + t['\u2F04'] = '\u4E59'; + t['\u2F05'] = '\u4E85'; + t['\u2F06'] = '\u4E8C'; + t['\u2F07'] = '\u4EA0'; + t['\u2F08'] = '\u4EBA'; + t['\u2F09'] = '\u513F'; + t['\u2F0A'] = '\u5165'; + t['\u2F0B'] = '\u516B'; + t['\u2F0C'] = '\u5182'; + t['\u2F0D'] = '\u5196'; + t['\u2F0E'] = '\u51AB'; + t['\u2F0F'] = '\u51E0'; + t['\u2F10'] = '\u51F5'; + t['\u2F11'] = '\u5200'; + t['\u2F12'] = '\u529B'; + t['\u2F13'] = '\u52F9'; + t['\u2F14'] = '\u5315'; + t['\u2F15'] = '\u531A'; + t['\u2F16'] = '\u5338'; + t['\u2F17'] = '\u5341'; + t['\u2F18'] = '\u535C'; + t['\u2F19'] = '\u5369'; + t['\u2F1A'] = '\u5382'; + t['\u2F1B'] = '\u53B6'; + t['\u2F1C'] = '\u53C8'; + t['\u2F1D'] = '\u53E3'; + t['\u2F1E'] = '\u56D7'; + t['\u2F1F'] = '\u571F'; + t['\u2F20'] = '\u58EB'; + t['\u2F21'] = '\u5902'; + t['\u2F22'] = '\u590A'; + t['\u2F23'] = '\u5915'; + t['\u2F24'] = '\u5927'; + t['\u2F25'] = '\u5973'; + t['\u2F26'] = '\u5B50'; + t['\u2F27'] = '\u5B80'; + t['\u2F28'] = '\u5BF8'; + t['\u2F29'] = '\u5C0F'; + t['\u2F2A'] = '\u5C22'; + t['\u2F2B'] = '\u5C38'; + t['\u2F2C'] = '\u5C6E'; + t['\u2F2D'] = '\u5C71'; + t['\u2F2E'] = '\u5DDB'; + t['\u2F2F'] = '\u5DE5'; + t['\u2F30'] = '\u5DF1'; + t['\u2F31'] = '\u5DFE'; + t['\u2F32'] = '\u5E72'; + t['\u2F33'] = '\u5E7A'; + t['\u2F34'] = '\u5E7F'; + t['\u2F35'] = '\u5EF4'; + t['\u2F36'] = '\u5EFE'; + t['\u2F37'] = '\u5F0B'; + t['\u2F38'] = '\u5F13'; + t['\u2F39'] = '\u5F50'; + t['\u2F3A'] = '\u5F61'; + t['\u2F3B'] = '\u5F73'; + t['\u2F3C'] = '\u5FC3'; + t['\u2F3D'] = '\u6208'; + t['\u2F3E'] = '\u6236'; + t['\u2F3F'] = '\u624B'; + t['\u2F40'] = '\u652F'; + t['\u2F41'] = '\u6534'; + t['\u2F42'] = '\u6587'; + t['\u2F43'] = '\u6597'; + t['\u2F44'] = '\u65A4'; + t['\u2F45'] = '\u65B9'; + t['\u2F46'] = '\u65E0'; + t['\u2F47'] = '\u65E5'; + t['\u2F48'] = '\u66F0'; + t['\u2F49'] = '\u6708'; + t['\u2F4A'] = '\u6728'; + t['\u2F4B'] = '\u6B20'; + t['\u2F4C'] = '\u6B62'; + t['\u2F4D'] = '\u6B79'; + t['\u2F4E'] = '\u6BB3'; + t['\u2F4F'] = '\u6BCB'; + t['\u2F50'] = '\u6BD4'; + t['\u2F51'] = '\u6BDB'; + t['\u2F52'] = '\u6C0F'; + t['\u2F53'] = '\u6C14'; + t['\u2F54'] = '\u6C34'; + t['\u2F55'] = '\u706B'; + t['\u2F56'] = '\u722A'; + t['\u2F57'] = '\u7236'; + t['\u2F58'] = '\u723B'; + t['\u2F59'] = '\u723F'; + t['\u2F5A'] = '\u7247'; + t['\u2F5B'] = '\u7259'; + t['\u2F5C'] = '\u725B'; + t['\u2F5D'] = '\u72AC'; + t['\u2F5E'] = '\u7384'; + t['\u2F5F'] = '\u7389'; + t['\u2F60'] = '\u74DC'; + t['\u2F61'] = '\u74E6'; + t['\u2F62'] = '\u7518'; + t['\u2F63'] = '\u751F'; + t['\u2F64'] = '\u7528'; + t['\u2F65'] = '\u7530'; + t['\u2F66'] = '\u758B'; + t['\u2F67'] = '\u7592'; + t['\u2F68'] = '\u7676'; + t['\u2F69'] = '\u767D'; + t['\u2F6A'] = '\u76AE'; + t['\u2F6B'] = '\u76BF'; + t['\u2F6C'] = '\u76EE'; + t['\u2F6D'] = '\u77DB'; + t['\u2F6E'] = '\u77E2'; + t['\u2F6F'] = '\u77F3'; + t['\u2F70'] = '\u793A'; + t['\u2F71'] = '\u79B8'; + t['\u2F72'] = '\u79BE'; + t['\u2F73'] = '\u7A74'; + t['\u2F74'] = '\u7ACB'; + t['\u2F75'] = '\u7AF9'; + t['\u2F76'] = '\u7C73'; + t['\u2F77'] = '\u7CF8'; + t['\u2F78'] = '\u7F36'; + t['\u2F79'] = '\u7F51'; + t['\u2F7A'] = '\u7F8A'; + t['\u2F7B'] = '\u7FBD'; + t['\u2F7C'] = '\u8001'; + t['\u2F7D'] = '\u800C'; + t['\u2F7E'] = '\u8012'; + t['\u2F7F'] = '\u8033'; + t['\u2F80'] = '\u807F'; + t['\u2F81'] = '\u8089'; + t['\u2F82'] = '\u81E3'; + t['\u2F83'] = '\u81EA'; + t['\u2F84'] = '\u81F3'; + t['\u2F85'] = '\u81FC'; + t['\u2F86'] = '\u820C'; + t['\u2F87'] = '\u821B'; + t['\u2F88'] = '\u821F'; + t['\u2F89'] = '\u826E'; + t['\u2F8A'] = '\u8272'; + t['\u2F8B'] = '\u8278'; + t['\u2F8C'] = '\u864D'; + t['\u2F8D'] = '\u866B'; + t['\u2F8E'] = '\u8840'; + t['\u2F8F'] = '\u884C'; + t['\u2F90'] = '\u8863'; + t['\u2F91'] = '\u897E'; + t['\u2F92'] = '\u898B'; + t['\u2F93'] = '\u89D2'; + t['\u2F94'] = '\u8A00'; + t['\u2F95'] = '\u8C37'; + t['\u2F96'] = '\u8C46'; + t['\u2F97'] = '\u8C55'; + t['\u2F98'] = '\u8C78'; + t['\u2F99'] = '\u8C9D'; + t['\u2F9A'] = '\u8D64'; + t['\u2F9B'] = '\u8D70'; + t['\u2F9C'] = '\u8DB3'; + t['\u2F9D'] = '\u8EAB'; + t['\u2F9E'] = '\u8ECA'; + t['\u2F9F'] = '\u8F9B'; + t['\u2FA0'] = '\u8FB0'; + t['\u2FA1'] = '\u8FB5'; + t['\u2FA2'] = '\u9091'; + t['\u2FA3'] = '\u9149'; + t['\u2FA4'] = '\u91C6'; + t['\u2FA5'] = '\u91CC'; + t['\u2FA6'] = '\u91D1'; + t['\u2FA7'] = '\u9577'; + t['\u2FA8'] = '\u9580'; + t['\u2FA9'] = '\u961C'; + t['\u2FAA'] = '\u96B6'; + t['\u2FAB'] = '\u96B9'; + t['\u2FAC'] = '\u96E8'; + t['\u2FAD'] = '\u9751'; + t['\u2FAE'] = '\u975E'; + t['\u2FAF'] = '\u9762'; + t['\u2FB0'] = '\u9769'; + t['\u2FB1'] = '\u97CB'; + t['\u2FB2'] = '\u97ED'; + t['\u2FB3'] = '\u97F3'; + t['\u2FB4'] = '\u9801'; + t['\u2FB5'] = '\u98A8'; + t['\u2FB6'] = '\u98DB'; + t['\u2FB7'] = '\u98DF'; + t['\u2FB8'] = '\u9996'; + t['\u2FB9'] = '\u9999'; + t['\u2FBA'] = '\u99AC'; + t['\u2FBB'] = '\u9AA8'; + t['\u2FBC'] = '\u9AD8'; + t['\u2FBD'] = '\u9ADF'; + t['\u2FBE'] = '\u9B25'; + t['\u2FBF'] = '\u9B2F'; + t['\u2FC0'] = '\u9B32'; + t['\u2FC1'] = '\u9B3C'; + t['\u2FC2'] = '\u9B5A'; + t['\u2FC3'] = '\u9CE5'; + t['\u2FC4'] = '\u9E75'; + t['\u2FC5'] = '\u9E7F'; + t['\u2FC6'] = '\u9EA5'; + t['\u2FC7'] = '\u9EBB'; + t['\u2FC8'] = '\u9EC3'; + t['\u2FC9'] = '\u9ECD'; + t['\u2FCA'] = '\u9ED1'; + t['\u2FCB'] = '\u9EF9'; + t['\u2FCC'] = '\u9EFD'; + t['\u2FCD'] = '\u9F0E'; + t['\u2FCE'] = '\u9F13'; + t['\u2FCF'] = '\u9F20'; + t['\u2FD0'] = '\u9F3B'; + t['\u2FD1'] = '\u9F4A'; + t['\u2FD2'] = '\u9F52'; + t['\u2FD3'] = '\u9F8D'; + t['\u2FD4'] = '\u9F9C'; + t['\u2FD5'] = '\u9FA0'; + t['\u3036'] = '\u3012'; + t['\u3038'] = '\u5341'; + t['\u3039'] = '\u5344'; + t['\u303A'] = '\u5345'; + t['\u309B'] = '\u0020\u3099'; + t['\u309C'] = '\u0020\u309A'; + t['\u3131'] = '\u1100'; + t['\u3132'] = '\u1101'; + t['\u3133'] = '\u11AA'; + t['\u3134'] = '\u1102'; + t['\u3135'] = '\u11AC'; + t['\u3136'] = '\u11AD'; + t['\u3137'] = '\u1103'; + t['\u3138'] = '\u1104'; + t['\u3139'] = '\u1105'; + t['\u313A'] = '\u11B0'; + t['\u313B'] = '\u11B1'; + t['\u313C'] = '\u11B2'; + t['\u313D'] = '\u11B3'; + t['\u313E'] = '\u11B4'; + t['\u313F'] = '\u11B5'; + t['\u3140'] = '\u111A'; + t['\u3141'] = '\u1106'; + t['\u3142'] = '\u1107'; + t['\u3143'] = '\u1108'; + t['\u3144'] = '\u1121'; + t['\u3145'] = '\u1109'; + t['\u3146'] = '\u110A'; + t['\u3147'] = '\u110B'; + t['\u3148'] = '\u110C'; + t['\u3149'] = '\u110D'; + t['\u314A'] = '\u110E'; + t['\u314B'] = '\u110F'; + t['\u314C'] = '\u1110'; + t['\u314D'] = '\u1111'; + t['\u314E'] = '\u1112'; + t['\u314F'] = '\u1161'; + t['\u3150'] = '\u1162'; + t['\u3151'] = '\u1163'; + t['\u3152'] = '\u1164'; + t['\u3153'] = '\u1165'; + t['\u3154'] = '\u1166'; + t['\u3155'] = '\u1167'; + t['\u3156'] = '\u1168'; + t['\u3157'] = '\u1169'; + t['\u3158'] = '\u116A'; + t['\u3159'] = '\u116B'; + t['\u315A'] = '\u116C'; + t['\u315B'] = '\u116D'; + t['\u315C'] = '\u116E'; + t['\u315D'] = '\u116F'; + t['\u315E'] = '\u1170'; + t['\u315F'] = '\u1171'; + t['\u3160'] = '\u1172'; + t['\u3161'] = '\u1173'; + t['\u3162'] = '\u1174'; + t['\u3163'] = '\u1175'; + t['\u3164'] = '\u1160'; + t['\u3165'] = '\u1114'; + t['\u3166'] = '\u1115'; + t['\u3167'] = '\u11C7'; + t['\u3168'] = '\u11C8'; + t['\u3169'] = '\u11CC'; + t['\u316A'] = '\u11CE'; + t['\u316B'] = '\u11D3'; + t['\u316C'] = '\u11D7'; + t['\u316D'] = '\u11D9'; + t['\u316E'] = '\u111C'; + t['\u316F'] = '\u11DD'; + t['\u3170'] = '\u11DF'; + t['\u3171'] = '\u111D'; + t['\u3172'] = '\u111E'; + t['\u3173'] = '\u1120'; + t['\u3174'] = '\u1122'; + t['\u3175'] = '\u1123'; + t['\u3176'] = '\u1127'; + t['\u3177'] = '\u1129'; + t['\u3178'] = '\u112B'; + t['\u3179'] = '\u112C'; + t['\u317A'] = '\u112D'; + t['\u317B'] = '\u112E'; + t['\u317C'] = '\u112F'; + t['\u317D'] = '\u1132'; + t['\u317E'] = '\u1136'; + t['\u317F'] = '\u1140'; + t['\u3180'] = '\u1147'; + t['\u3181'] = '\u114C'; + t['\u3182'] = '\u11F1'; + t['\u3183'] = '\u11F2'; + t['\u3184'] = '\u1157'; + t['\u3185'] = '\u1158'; + t['\u3186'] = '\u1159'; + t['\u3187'] = '\u1184'; + t['\u3188'] = '\u1185'; + t['\u3189'] = '\u1188'; + t['\u318A'] = '\u1191'; + t['\u318B'] = '\u1192'; + t['\u318C'] = '\u1194'; + t['\u318D'] = '\u119E'; + t['\u318E'] = '\u11A1'; + t['\u3200'] = '\u0028\u1100\u0029'; + t['\u3201'] = '\u0028\u1102\u0029'; + t['\u3202'] = '\u0028\u1103\u0029'; + t['\u3203'] = '\u0028\u1105\u0029'; + t['\u3204'] = '\u0028\u1106\u0029'; + t['\u3205'] = '\u0028\u1107\u0029'; + t['\u3206'] = '\u0028\u1109\u0029'; + t['\u3207'] = '\u0028\u110B\u0029'; + t['\u3208'] = '\u0028\u110C\u0029'; + t['\u3209'] = '\u0028\u110E\u0029'; + t['\u320A'] = '\u0028\u110F\u0029'; + t['\u320B'] = '\u0028\u1110\u0029'; + t['\u320C'] = '\u0028\u1111\u0029'; + t['\u320D'] = '\u0028\u1112\u0029'; + t['\u320E'] = '\u0028\u1100\u1161\u0029'; + t['\u320F'] = '\u0028\u1102\u1161\u0029'; + t['\u3210'] = '\u0028\u1103\u1161\u0029'; + t['\u3211'] = '\u0028\u1105\u1161\u0029'; + t['\u3212'] = '\u0028\u1106\u1161\u0029'; + t['\u3213'] = '\u0028\u1107\u1161\u0029'; + t['\u3214'] = '\u0028\u1109\u1161\u0029'; + t['\u3215'] = '\u0028\u110B\u1161\u0029'; + t['\u3216'] = '\u0028\u110C\u1161\u0029'; + t['\u3217'] = '\u0028\u110E\u1161\u0029'; + t['\u3218'] = '\u0028\u110F\u1161\u0029'; + t['\u3219'] = '\u0028\u1110\u1161\u0029'; + t['\u321A'] = '\u0028\u1111\u1161\u0029'; + t['\u321B'] = '\u0028\u1112\u1161\u0029'; + t['\u321C'] = '\u0028\u110C\u116E\u0029'; + t['\u321D'] = '\u0028\u110B\u1169\u110C\u1165\u11AB\u0029'; + t['\u321E'] = '\u0028\u110B\u1169\u1112\u116E\u0029'; + t['\u3220'] = '\u0028\u4E00\u0029'; + t['\u3221'] = '\u0028\u4E8C\u0029'; + t['\u3222'] = '\u0028\u4E09\u0029'; + t['\u3223'] = '\u0028\u56DB\u0029'; + t['\u3224'] = '\u0028\u4E94\u0029'; + t['\u3225'] = '\u0028\u516D\u0029'; + t['\u3226'] = '\u0028\u4E03\u0029'; + t['\u3227'] = '\u0028\u516B\u0029'; + t['\u3228'] = '\u0028\u4E5D\u0029'; + t['\u3229'] = '\u0028\u5341\u0029'; + t['\u322A'] = '\u0028\u6708\u0029'; + t['\u322B'] = '\u0028\u706B\u0029'; + t['\u322C'] = '\u0028\u6C34\u0029'; + t['\u322D'] = '\u0028\u6728\u0029'; + t['\u322E'] = '\u0028\u91D1\u0029'; + t['\u322F'] = '\u0028\u571F\u0029'; + t['\u3230'] = '\u0028\u65E5\u0029'; + t['\u3231'] = '\u0028\u682A\u0029'; + t['\u3232'] = '\u0028\u6709\u0029'; + t['\u3233'] = '\u0028\u793E\u0029'; + t['\u3234'] = '\u0028\u540D\u0029'; + t['\u3235'] = '\u0028\u7279\u0029'; + t['\u3236'] = '\u0028\u8CA1\u0029'; + t['\u3237'] = '\u0028\u795D\u0029'; + t['\u3238'] = '\u0028\u52B4\u0029'; + t['\u3239'] = '\u0028\u4EE3\u0029'; + t['\u323A'] = '\u0028\u547C\u0029'; + t['\u323B'] = '\u0028\u5B66\u0029'; + t['\u323C'] = '\u0028\u76E3\u0029'; + t['\u323D'] = '\u0028\u4F01\u0029'; + t['\u323E'] = '\u0028\u8CC7\u0029'; + t['\u323F'] = '\u0028\u5354\u0029'; + t['\u3240'] = '\u0028\u796D\u0029'; + t['\u3241'] = '\u0028\u4F11\u0029'; + t['\u3242'] = '\u0028\u81EA\u0029'; + t['\u3243'] = '\u0028\u81F3\u0029'; + t['\u32C0'] = '\u0031\u6708'; + t['\u32C1'] = '\u0032\u6708'; + t['\u32C2'] = '\u0033\u6708'; + t['\u32C3'] = '\u0034\u6708'; + t['\u32C4'] = '\u0035\u6708'; + t['\u32C5'] = '\u0036\u6708'; + t['\u32C6'] = '\u0037\u6708'; + t['\u32C7'] = '\u0038\u6708'; + t['\u32C8'] = '\u0039\u6708'; + t['\u32C9'] = '\u0031\u0030\u6708'; + t['\u32CA'] = '\u0031\u0031\u6708'; + t['\u32CB'] = '\u0031\u0032\u6708'; + t['\u3358'] = '\u0030\u70B9'; + t['\u3359'] = '\u0031\u70B9'; + t['\u335A'] = '\u0032\u70B9'; + t['\u335B'] = '\u0033\u70B9'; + t['\u335C'] = '\u0034\u70B9'; + t['\u335D'] = '\u0035\u70B9'; + t['\u335E'] = '\u0036\u70B9'; + t['\u335F'] = '\u0037\u70B9'; + t['\u3360'] = '\u0038\u70B9'; + t['\u3361'] = '\u0039\u70B9'; + t['\u3362'] = '\u0031\u0030\u70B9'; + t['\u3363'] = '\u0031\u0031\u70B9'; + t['\u3364'] = '\u0031\u0032\u70B9'; + t['\u3365'] = '\u0031\u0033\u70B9'; + t['\u3366'] = '\u0031\u0034\u70B9'; + t['\u3367'] = '\u0031\u0035\u70B9'; + t['\u3368'] = '\u0031\u0036\u70B9'; + t['\u3369'] = '\u0031\u0037\u70B9'; + t['\u336A'] = '\u0031\u0038\u70B9'; + t['\u336B'] = '\u0031\u0039\u70B9'; + t['\u336C'] = '\u0032\u0030\u70B9'; + t['\u336D'] = '\u0032\u0031\u70B9'; + t['\u336E'] = '\u0032\u0032\u70B9'; + t['\u336F'] = '\u0032\u0033\u70B9'; + t['\u3370'] = '\u0032\u0034\u70B9'; + t['\u33E0'] = '\u0031\u65E5'; + t['\u33E1'] = '\u0032\u65E5'; + t['\u33E2'] = '\u0033\u65E5'; + t['\u33E3'] = '\u0034\u65E5'; + t['\u33E4'] = '\u0035\u65E5'; + t['\u33E5'] = '\u0036\u65E5'; + t['\u33E6'] = '\u0037\u65E5'; + t['\u33E7'] = '\u0038\u65E5'; + t['\u33E8'] = '\u0039\u65E5'; + t['\u33E9'] = '\u0031\u0030\u65E5'; + t['\u33EA'] = '\u0031\u0031\u65E5'; + t['\u33EB'] = '\u0031\u0032\u65E5'; + t['\u33EC'] = '\u0031\u0033\u65E5'; + t['\u33ED'] = '\u0031\u0034\u65E5'; + t['\u33EE'] = '\u0031\u0035\u65E5'; + t['\u33EF'] = '\u0031\u0036\u65E5'; + t['\u33F0'] = '\u0031\u0037\u65E5'; + t['\u33F1'] = '\u0031\u0038\u65E5'; + t['\u33F2'] = '\u0031\u0039\u65E5'; + t['\u33F3'] = '\u0032\u0030\u65E5'; + t['\u33F4'] = '\u0032\u0031\u65E5'; + t['\u33F5'] = '\u0032\u0032\u65E5'; + t['\u33F6'] = '\u0032\u0033\u65E5'; + t['\u33F7'] = '\u0032\u0034\u65E5'; + t['\u33F8'] = '\u0032\u0035\u65E5'; + t['\u33F9'] = '\u0032\u0036\u65E5'; + t['\u33FA'] = '\u0032\u0037\u65E5'; + t['\u33FB'] = '\u0032\u0038\u65E5'; + t['\u33FC'] = '\u0032\u0039\u65E5'; + t['\u33FD'] = '\u0033\u0030\u65E5'; + t['\u33FE'] = '\u0033\u0031\u65E5'; + t['\uFB00'] = '\u0066\u0066'; + t['\uFB01'] = '\u0066\u0069'; + t['\uFB02'] = '\u0066\u006C'; + t['\uFB03'] = '\u0066\u0066\u0069'; + t['\uFB04'] = '\u0066\u0066\u006C'; + t['\uFB05'] = '\u017F\u0074'; + t['\uFB06'] = '\u0073\u0074'; + t['\uFB13'] = '\u0574\u0576'; + t['\uFB14'] = '\u0574\u0565'; + t['\uFB15'] = '\u0574\u056B'; + t['\uFB16'] = '\u057E\u0576'; + t['\uFB17'] = '\u0574\u056D'; + t['\uFB4F'] = '\u05D0\u05DC'; + t['\uFB50'] = '\u0671'; + t['\uFB51'] = '\u0671'; + t['\uFB52'] = '\u067B'; + t['\uFB53'] = '\u067B'; + t['\uFB54'] = '\u067B'; + t['\uFB55'] = '\u067B'; + t['\uFB56'] = '\u067E'; + t['\uFB57'] = '\u067E'; + t['\uFB58'] = '\u067E'; + t['\uFB59'] = '\u067E'; + t['\uFB5A'] = '\u0680'; + t['\uFB5B'] = '\u0680'; + t['\uFB5C'] = '\u0680'; + t['\uFB5D'] = '\u0680'; + t['\uFB5E'] = '\u067A'; + t['\uFB5F'] = '\u067A'; + t['\uFB60'] = '\u067A'; + t['\uFB61'] = '\u067A'; + t['\uFB62'] = '\u067F'; + t['\uFB63'] = '\u067F'; + t['\uFB64'] = '\u067F'; + t['\uFB65'] = '\u067F'; + t['\uFB66'] = '\u0679'; + t['\uFB67'] = '\u0679'; + t['\uFB68'] = '\u0679'; + t['\uFB69'] = '\u0679'; + t['\uFB6A'] = '\u06A4'; + t['\uFB6B'] = '\u06A4'; + t['\uFB6C'] = '\u06A4'; + t['\uFB6D'] = '\u06A4'; + t['\uFB6E'] = '\u06A6'; + t['\uFB6F'] = '\u06A6'; + t['\uFB70'] = '\u06A6'; + t['\uFB71'] = '\u06A6'; + t['\uFB72'] = '\u0684'; + t['\uFB73'] = '\u0684'; + t['\uFB74'] = '\u0684'; + t['\uFB75'] = '\u0684'; + t['\uFB76'] = '\u0683'; + t['\uFB77'] = '\u0683'; + t['\uFB78'] = '\u0683'; + t['\uFB79'] = '\u0683'; + t['\uFB7A'] = '\u0686'; + t['\uFB7B'] = '\u0686'; + t['\uFB7C'] = '\u0686'; + t['\uFB7D'] = '\u0686'; + t['\uFB7E'] = '\u0687'; + t['\uFB7F'] = '\u0687'; + t['\uFB80'] = '\u0687'; + t['\uFB81'] = '\u0687'; + t['\uFB82'] = '\u068D'; + t['\uFB83'] = '\u068D'; + t['\uFB84'] = '\u068C'; + t['\uFB85'] = '\u068C'; + t['\uFB86'] = '\u068E'; + t['\uFB87'] = '\u068E'; + t['\uFB88'] = '\u0688'; + t['\uFB89'] = '\u0688'; + t['\uFB8A'] = '\u0698'; + t['\uFB8B'] = '\u0698'; + t['\uFB8C'] = '\u0691'; + t['\uFB8D'] = '\u0691'; + t['\uFB8E'] = '\u06A9'; + t['\uFB8F'] = '\u06A9'; + t['\uFB90'] = '\u06A9'; + t['\uFB91'] = '\u06A9'; + t['\uFB92'] = '\u06AF'; + t['\uFB93'] = '\u06AF'; + t['\uFB94'] = '\u06AF'; + t['\uFB95'] = '\u06AF'; + t['\uFB96'] = '\u06B3'; + t['\uFB97'] = '\u06B3'; + t['\uFB98'] = '\u06B3'; + t['\uFB99'] = '\u06B3'; + t['\uFB9A'] = '\u06B1'; + t['\uFB9B'] = '\u06B1'; + t['\uFB9C'] = '\u06B1'; + t['\uFB9D'] = '\u06B1'; + t['\uFB9E'] = '\u06BA'; + t['\uFB9F'] = '\u06BA'; + t['\uFBA0'] = '\u06BB'; + t['\uFBA1'] = '\u06BB'; + t['\uFBA2'] = '\u06BB'; + t['\uFBA3'] = '\u06BB'; + t['\uFBA4'] = '\u06C0'; + t['\uFBA5'] = '\u06C0'; + t['\uFBA6'] = '\u06C1'; + t['\uFBA7'] = '\u06C1'; + t['\uFBA8'] = '\u06C1'; + t['\uFBA9'] = '\u06C1'; + t['\uFBAA'] = '\u06BE'; + t['\uFBAB'] = '\u06BE'; + t['\uFBAC'] = '\u06BE'; + t['\uFBAD'] = '\u06BE'; + t['\uFBAE'] = '\u06D2'; + t['\uFBAF'] = '\u06D2'; + t['\uFBB0'] = '\u06D3'; + t['\uFBB1'] = '\u06D3'; + t['\uFBD3'] = '\u06AD'; + t['\uFBD4'] = '\u06AD'; + t['\uFBD5'] = '\u06AD'; + t['\uFBD6'] = '\u06AD'; + t['\uFBD7'] = '\u06C7'; + t['\uFBD8'] = '\u06C7'; + t['\uFBD9'] = '\u06C6'; + t['\uFBDA'] = '\u06C6'; + t['\uFBDB'] = '\u06C8'; + t['\uFBDC'] = '\u06C8'; + t['\uFBDD'] = '\u0677'; + t['\uFBDE'] = '\u06CB'; + t['\uFBDF'] = '\u06CB'; + t['\uFBE0'] = '\u06C5'; + t['\uFBE1'] = '\u06C5'; + t['\uFBE2'] = '\u06C9'; + t['\uFBE3'] = '\u06C9'; + t['\uFBE4'] = '\u06D0'; + t['\uFBE5'] = '\u06D0'; + t['\uFBE6'] = '\u06D0'; + t['\uFBE7'] = '\u06D0'; + t['\uFBE8'] = '\u0649'; + t['\uFBE9'] = '\u0649'; + t['\uFBEA'] = '\u0626\u0627'; + t['\uFBEB'] = '\u0626\u0627'; + t['\uFBEC'] = '\u0626\u06D5'; + t['\uFBED'] = '\u0626\u06D5'; + t['\uFBEE'] = '\u0626\u0648'; + t['\uFBEF'] = '\u0626\u0648'; + t['\uFBF0'] = '\u0626\u06C7'; + t['\uFBF1'] = '\u0626\u06C7'; + t['\uFBF2'] = '\u0626\u06C6'; + t['\uFBF3'] = '\u0626\u06C6'; + t['\uFBF4'] = '\u0626\u06C8'; + t['\uFBF5'] = '\u0626\u06C8'; + t['\uFBF6'] = '\u0626\u06D0'; + t['\uFBF7'] = '\u0626\u06D0'; + t['\uFBF8'] = '\u0626\u06D0'; + t['\uFBF9'] = '\u0626\u0649'; + t['\uFBFA'] = '\u0626\u0649'; + t['\uFBFB'] = '\u0626\u0649'; + t['\uFBFC'] = '\u06CC'; + t['\uFBFD'] = '\u06CC'; + t['\uFBFE'] = '\u06CC'; + t['\uFBFF'] = '\u06CC'; + t['\uFC00'] = '\u0626\u062C'; + t['\uFC01'] = '\u0626\u062D'; + t['\uFC02'] = '\u0626\u0645'; + t['\uFC03'] = '\u0626\u0649'; + t['\uFC04'] = '\u0626\u064A'; + t['\uFC05'] = '\u0628\u062C'; + t['\uFC06'] = '\u0628\u062D'; + t['\uFC07'] = '\u0628\u062E'; + t['\uFC08'] = '\u0628\u0645'; + t['\uFC09'] = '\u0628\u0649'; + t['\uFC0A'] = '\u0628\u064A'; + t['\uFC0B'] = '\u062A\u062C'; + t['\uFC0C'] = '\u062A\u062D'; + t['\uFC0D'] = '\u062A\u062E'; + t['\uFC0E'] = '\u062A\u0645'; + t['\uFC0F'] = '\u062A\u0649'; + t['\uFC10'] = '\u062A\u064A'; + t['\uFC11'] = '\u062B\u062C'; + t['\uFC12'] = '\u062B\u0645'; + t['\uFC13'] = '\u062B\u0649'; + t['\uFC14'] = '\u062B\u064A'; + t['\uFC15'] = '\u062C\u062D'; + t['\uFC16'] = '\u062C\u0645'; + t['\uFC17'] = '\u062D\u062C'; + t['\uFC18'] = '\u062D\u0645'; + t['\uFC19'] = '\u062E\u062C'; + t['\uFC1A'] = '\u062E\u062D'; + t['\uFC1B'] = '\u062E\u0645'; + t['\uFC1C'] = '\u0633\u062C'; + t['\uFC1D'] = '\u0633\u062D'; + t['\uFC1E'] = '\u0633\u062E'; + t['\uFC1F'] = '\u0633\u0645'; + t['\uFC20'] = '\u0635\u062D'; + t['\uFC21'] = '\u0635\u0645'; + t['\uFC22'] = '\u0636\u062C'; + t['\uFC23'] = '\u0636\u062D'; + t['\uFC24'] = '\u0636\u062E'; + t['\uFC25'] = '\u0636\u0645'; + t['\uFC26'] = '\u0637\u062D'; + t['\uFC27'] = '\u0637\u0645'; + t['\uFC28'] = '\u0638\u0645'; + t['\uFC29'] = '\u0639\u062C'; + t['\uFC2A'] = '\u0639\u0645'; + t['\uFC2B'] = '\u063A\u062C'; + t['\uFC2C'] = '\u063A\u0645'; + t['\uFC2D'] = '\u0641\u062C'; + t['\uFC2E'] = '\u0641\u062D'; + t['\uFC2F'] = '\u0641\u062E'; + t['\uFC30'] = '\u0641\u0645'; + t['\uFC31'] = '\u0641\u0649'; + t['\uFC32'] = '\u0641\u064A'; + t['\uFC33'] = '\u0642\u062D'; + t['\uFC34'] = '\u0642\u0645'; + t['\uFC35'] = '\u0642\u0649'; + t['\uFC36'] = '\u0642\u064A'; + t['\uFC37'] = '\u0643\u0627'; + t['\uFC38'] = '\u0643\u062C'; + t['\uFC39'] = '\u0643\u062D'; + t['\uFC3A'] = '\u0643\u062E'; + t['\uFC3B'] = '\u0643\u0644'; + t['\uFC3C'] = '\u0643\u0645'; + t['\uFC3D'] = '\u0643\u0649'; + t['\uFC3E'] = '\u0643\u064A'; + t['\uFC3F'] = '\u0644\u062C'; + t['\uFC40'] = '\u0644\u062D'; + t['\uFC41'] = '\u0644\u062E'; + t['\uFC42'] = '\u0644\u0645'; + t['\uFC43'] = '\u0644\u0649'; + t['\uFC44'] = '\u0644\u064A'; + t['\uFC45'] = '\u0645\u062C'; + t['\uFC46'] = '\u0645\u062D'; + t['\uFC47'] = '\u0645\u062E'; + t['\uFC48'] = '\u0645\u0645'; + t['\uFC49'] = '\u0645\u0649'; + t['\uFC4A'] = '\u0645\u064A'; + t['\uFC4B'] = '\u0646\u062C'; + t['\uFC4C'] = '\u0646\u062D'; + t['\uFC4D'] = '\u0646\u062E'; + t['\uFC4E'] = '\u0646\u0645'; + t['\uFC4F'] = '\u0646\u0649'; + t['\uFC50'] = '\u0646\u064A'; + t['\uFC51'] = '\u0647\u062C'; + t['\uFC52'] = '\u0647\u0645'; + t['\uFC53'] = '\u0647\u0649'; + t['\uFC54'] = '\u0647\u064A'; + t['\uFC55'] = '\u064A\u062C'; + t['\uFC56'] = '\u064A\u062D'; + t['\uFC57'] = '\u064A\u062E'; + t['\uFC58'] = '\u064A\u0645'; + t['\uFC59'] = '\u064A\u0649'; + t['\uFC5A'] = '\u064A\u064A'; + t['\uFC5B'] = '\u0630\u0670'; + t['\uFC5C'] = '\u0631\u0670'; + t['\uFC5D'] = '\u0649\u0670'; + t['\uFC5E'] = '\u0020\u064C\u0651'; + t['\uFC5F'] = '\u0020\u064D\u0651'; + t['\uFC60'] = '\u0020\u064E\u0651'; + t['\uFC61'] = '\u0020\u064F\u0651'; + t['\uFC62'] = '\u0020\u0650\u0651'; + t['\uFC63'] = '\u0020\u0651\u0670'; + t['\uFC64'] = '\u0626\u0631'; + t['\uFC65'] = '\u0626\u0632'; + t['\uFC66'] = '\u0626\u0645'; + t['\uFC67'] = '\u0626\u0646'; + t['\uFC68'] = '\u0626\u0649'; + t['\uFC69'] = '\u0626\u064A'; + t['\uFC6A'] = '\u0628\u0631'; + t['\uFC6B'] = '\u0628\u0632'; + t['\uFC6C'] = '\u0628\u0645'; + t['\uFC6D'] = '\u0628\u0646'; + t['\uFC6E'] = '\u0628\u0649'; + t['\uFC6F'] = '\u0628\u064A'; + t['\uFC70'] = '\u062A\u0631'; + t['\uFC71'] = '\u062A\u0632'; + t['\uFC72'] = '\u062A\u0645'; + t['\uFC73'] = '\u062A\u0646'; + t['\uFC74'] = '\u062A\u0649'; + t['\uFC75'] = '\u062A\u064A'; + t['\uFC76'] = '\u062B\u0631'; + t['\uFC77'] = '\u062B\u0632'; + t['\uFC78'] = '\u062B\u0645'; + t['\uFC79'] = '\u062B\u0646'; + t['\uFC7A'] = '\u062B\u0649'; + t['\uFC7B'] = '\u062B\u064A'; + t['\uFC7C'] = '\u0641\u0649'; + t['\uFC7D'] = '\u0641\u064A'; + t['\uFC7E'] = '\u0642\u0649'; + t['\uFC7F'] = '\u0642\u064A'; + t['\uFC80'] = '\u0643\u0627'; + t['\uFC81'] = '\u0643\u0644'; + t['\uFC82'] = '\u0643\u0645'; + t['\uFC83'] = '\u0643\u0649'; + t['\uFC84'] = '\u0643\u064A'; + t['\uFC85'] = '\u0644\u0645'; + t['\uFC86'] = '\u0644\u0649'; + t['\uFC87'] = '\u0644\u064A'; + t['\uFC88'] = '\u0645\u0627'; + t['\uFC89'] = '\u0645\u0645'; + t['\uFC8A'] = '\u0646\u0631'; + t['\uFC8B'] = '\u0646\u0632'; + t['\uFC8C'] = '\u0646\u0645'; + t['\uFC8D'] = '\u0646\u0646'; + t['\uFC8E'] = '\u0646\u0649'; + t['\uFC8F'] = '\u0646\u064A'; + t['\uFC90'] = '\u0649\u0670'; + t['\uFC91'] = '\u064A\u0631'; + t['\uFC92'] = '\u064A\u0632'; + t['\uFC93'] = '\u064A\u0645'; + t['\uFC94'] = '\u064A\u0646'; + t['\uFC95'] = '\u064A\u0649'; + t['\uFC96'] = '\u064A\u064A'; + t['\uFC97'] = '\u0626\u062C'; + t['\uFC98'] = '\u0626\u062D'; + t['\uFC99'] = '\u0626\u062E'; + t['\uFC9A'] = '\u0626\u0645'; + t['\uFC9B'] = '\u0626\u0647'; + t['\uFC9C'] = '\u0628\u062C'; + t['\uFC9D'] = '\u0628\u062D'; + t['\uFC9E'] = '\u0628\u062E'; + t['\uFC9F'] = '\u0628\u0645'; + t['\uFCA0'] = '\u0628\u0647'; + t['\uFCA1'] = '\u062A\u062C'; + t['\uFCA2'] = '\u062A\u062D'; + t['\uFCA3'] = '\u062A\u062E'; + t['\uFCA4'] = '\u062A\u0645'; + t['\uFCA5'] = '\u062A\u0647'; + t['\uFCA6'] = '\u062B\u0645'; + t['\uFCA7'] = '\u062C\u062D'; + t['\uFCA8'] = '\u062C\u0645'; + t['\uFCA9'] = '\u062D\u062C'; + t['\uFCAA'] = '\u062D\u0645'; + t['\uFCAB'] = '\u062E\u062C'; + t['\uFCAC'] = '\u062E\u0645'; + t['\uFCAD'] = '\u0633\u062C'; + t['\uFCAE'] = '\u0633\u062D'; + t['\uFCAF'] = '\u0633\u062E'; + t['\uFCB0'] = '\u0633\u0645'; + t['\uFCB1'] = '\u0635\u062D'; + t['\uFCB2'] = '\u0635\u062E'; + t['\uFCB3'] = '\u0635\u0645'; + t['\uFCB4'] = '\u0636\u062C'; + t['\uFCB5'] = '\u0636\u062D'; + t['\uFCB6'] = '\u0636\u062E'; + t['\uFCB7'] = '\u0636\u0645'; + t['\uFCB8'] = '\u0637\u062D'; + t['\uFCB9'] = '\u0638\u0645'; + t['\uFCBA'] = '\u0639\u062C'; + t['\uFCBB'] = '\u0639\u0645'; + t['\uFCBC'] = '\u063A\u062C'; + t['\uFCBD'] = '\u063A\u0645'; + t['\uFCBE'] = '\u0641\u062C'; + t['\uFCBF'] = '\u0641\u062D'; + t['\uFCC0'] = '\u0641\u062E'; + t['\uFCC1'] = '\u0641\u0645'; + t['\uFCC2'] = '\u0642\u062D'; + t['\uFCC3'] = '\u0642\u0645'; + t['\uFCC4'] = '\u0643\u062C'; + t['\uFCC5'] = '\u0643\u062D'; + t['\uFCC6'] = '\u0643\u062E'; + t['\uFCC7'] = '\u0643\u0644'; + t['\uFCC8'] = '\u0643\u0645'; + t['\uFCC9'] = '\u0644\u062C'; + t['\uFCCA'] = '\u0644\u062D'; + t['\uFCCB'] = '\u0644\u062E'; + t['\uFCCC'] = '\u0644\u0645'; + t['\uFCCD'] = '\u0644\u0647'; + t['\uFCCE'] = '\u0645\u062C'; + t['\uFCCF'] = '\u0645\u062D'; + t['\uFCD0'] = '\u0645\u062E'; + t['\uFCD1'] = '\u0645\u0645'; + t['\uFCD2'] = '\u0646\u062C'; + t['\uFCD3'] = '\u0646\u062D'; + t['\uFCD4'] = '\u0646\u062E'; + t['\uFCD5'] = '\u0646\u0645'; + t['\uFCD6'] = '\u0646\u0647'; + t['\uFCD7'] = '\u0647\u062C'; + t['\uFCD8'] = '\u0647\u0645'; + t['\uFCD9'] = '\u0647\u0670'; + t['\uFCDA'] = '\u064A\u062C'; + t['\uFCDB'] = '\u064A\u062D'; + t['\uFCDC'] = '\u064A\u062E'; + t['\uFCDD'] = '\u064A\u0645'; + t['\uFCDE'] = '\u064A\u0647'; + t['\uFCDF'] = '\u0626\u0645'; + t['\uFCE0'] = '\u0626\u0647'; + t['\uFCE1'] = '\u0628\u0645'; + t['\uFCE2'] = '\u0628\u0647'; + t['\uFCE3'] = '\u062A\u0645'; + t['\uFCE4'] = '\u062A\u0647'; + t['\uFCE5'] = '\u062B\u0645'; + t['\uFCE6'] = '\u062B\u0647'; + t['\uFCE7'] = '\u0633\u0645'; + t['\uFCE8'] = '\u0633\u0647'; + t['\uFCE9'] = '\u0634\u0645'; + t['\uFCEA'] = '\u0634\u0647'; + t['\uFCEB'] = '\u0643\u0644'; + t['\uFCEC'] = '\u0643\u0645'; + t['\uFCED'] = '\u0644\u0645'; + t['\uFCEE'] = '\u0646\u0645'; + t['\uFCEF'] = '\u0646\u0647'; + t['\uFCF0'] = '\u064A\u0645'; + t['\uFCF1'] = '\u064A\u0647'; + t['\uFCF2'] = '\u0640\u064E\u0651'; + t['\uFCF3'] = '\u0640\u064F\u0651'; + t['\uFCF4'] = '\u0640\u0650\u0651'; + t['\uFCF5'] = '\u0637\u0649'; + t['\uFCF6'] = '\u0637\u064A'; + t['\uFCF7'] = '\u0639\u0649'; + t['\uFCF8'] = '\u0639\u064A'; + t['\uFCF9'] = '\u063A\u0649'; + t['\uFCFA'] = '\u063A\u064A'; + t['\uFCFB'] = '\u0633\u0649'; + t['\uFCFC'] = '\u0633\u064A'; + t['\uFCFD'] = '\u0634\u0649'; + t['\uFCFE'] = '\u0634\u064A'; + t['\uFCFF'] = '\u062D\u0649'; + t['\uFD00'] = '\u062D\u064A'; + t['\uFD01'] = '\u062C\u0649'; + t['\uFD02'] = '\u062C\u064A'; + t['\uFD03'] = '\u062E\u0649'; + t['\uFD04'] = '\u062E\u064A'; + t['\uFD05'] = '\u0635\u0649'; + t['\uFD06'] = '\u0635\u064A'; + t['\uFD07'] = '\u0636\u0649'; + t['\uFD08'] = '\u0636\u064A'; + t['\uFD09'] = '\u0634\u062C'; + t['\uFD0A'] = '\u0634\u062D'; + t['\uFD0B'] = '\u0634\u062E'; + t['\uFD0C'] = '\u0634\u0645'; + t['\uFD0D'] = '\u0634\u0631'; + t['\uFD0E'] = '\u0633\u0631'; + t['\uFD0F'] = '\u0635\u0631'; + t['\uFD10'] = '\u0636\u0631'; + t['\uFD11'] = '\u0637\u0649'; + t['\uFD12'] = '\u0637\u064A'; + t['\uFD13'] = '\u0639\u0649'; + t['\uFD14'] = '\u0639\u064A'; + t['\uFD15'] = '\u063A\u0649'; + t['\uFD16'] = '\u063A\u064A'; + t['\uFD17'] = '\u0633\u0649'; + t['\uFD18'] = '\u0633\u064A'; + t['\uFD19'] = '\u0634\u0649'; + t['\uFD1A'] = '\u0634\u064A'; + t['\uFD1B'] = '\u062D\u0649'; + t['\uFD1C'] = '\u062D\u064A'; + t['\uFD1D'] = '\u062C\u0649'; + t['\uFD1E'] = '\u062C\u064A'; + t['\uFD1F'] = '\u062E\u0649'; + t['\uFD20'] = '\u062E\u064A'; + t['\uFD21'] = '\u0635\u0649'; + t['\uFD22'] = '\u0635\u064A'; + t['\uFD23'] = '\u0636\u0649'; + t['\uFD24'] = '\u0636\u064A'; + t['\uFD25'] = '\u0634\u062C'; + t['\uFD26'] = '\u0634\u062D'; + t['\uFD27'] = '\u0634\u062E'; + t['\uFD28'] = '\u0634\u0645'; + t['\uFD29'] = '\u0634\u0631'; + t['\uFD2A'] = '\u0633\u0631'; + t['\uFD2B'] = '\u0635\u0631'; + t['\uFD2C'] = '\u0636\u0631'; + t['\uFD2D'] = '\u0634\u062C'; + t['\uFD2E'] = '\u0634\u062D'; + t['\uFD2F'] = '\u0634\u062E'; + t['\uFD30'] = '\u0634\u0645'; + t['\uFD31'] = '\u0633\u0647'; + t['\uFD32'] = '\u0634\u0647'; + t['\uFD33'] = '\u0637\u0645'; + t['\uFD34'] = '\u0633\u062C'; + t['\uFD35'] = '\u0633\u062D'; + t['\uFD36'] = '\u0633\u062E'; + t['\uFD37'] = '\u0634\u062C'; + t['\uFD38'] = '\u0634\u062D'; + t['\uFD39'] = '\u0634\u062E'; + t['\uFD3A'] = '\u0637\u0645'; + t['\uFD3B'] = '\u0638\u0645'; + t['\uFD3C'] = '\u0627\u064B'; + t['\uFD3D'] = '\u0627\u064B'; + t['\uFD50'] = '\u062A\u062C\u0645'; + t['\uFD51'] = '\u062A\u062D\u062C'; + t['\uFD52'] = '\u062A\u062D\u062C'; + t['\uFD53'] = '\u062A\u062D\u0645'; + t['\uFD54'] = '\u062A\u062E\u0645'; + t['\uFD55'] = '\u062A\u0645\u062C'; + t['\uFD56'] = '\u062A\u0645\u062D'; + t['\uFD57'] = '\u062A\u0645\u062E'; + t['\uFD58'] = '\u062C\u0645\u062D'; + t['\uFD59'] = '\u062C\u0645\u062D'; + t['\uFD5A'] = '\u062D\u0645\u064A'; + t['\uFD5B'] = '\u062D\u0645\u0649'; + t['\uFD5C'] = '\u0633\u062D\u062C'; + t['\uFD5D'] = '\u0633\u062C\u062D'; + t['\uFD5E'] = '\u0633\u062C\u0649'; + t['\uFD5F'] = '\u0633\u0645\u062D'; + t['\uFD60'] = '\u0633\u0645\u062D'; + t['\uFD61'] = '\u0633\u0645\u062C'; + t['\uFD62'] = '\u0633\u0645\u0645'; + t['\uFD63'] = '\u0633\u0645\u0645'; + t['\uFD64'] = '\u0635\u062D\u062D'; + t['\uFD65'] = '\u0635\u062D\u062D'; + t['\uFD66'] = '\u0635\u0645\u0645'; + t['\uFD67'] = '\u0634\u062D\u0645'; + t['\uFD68'] = '\u0634\u062D\u0645'; + t['\uFD69'] = '\u0634\u062C\u064A'; + t['\uFD6A'] = '\u0634\u0645\u062E'; + t['\uFD6B'] = '\u0634\u0645\u062E'; + t['\uFD6C'] = '\u0634\u0645\u0645'; + t['\uFD6D'] = '\u0634\u0645\u0645'; + t['\uFD6E'] = '\u0636\u062D\u0649'; + t['\uFD6F'] = '\u0636\u062E\u0645'; + t['\uFD70'] = '\u0636\u062E\u0645'; + t['\uFD71'] = '\u0637\u0645\u062D'; + t['\uFD72'] = '\u0637\u0645\u062D'; + t['\uFD73'] = '\u0637\u0645\u0645'; + t['\uFD74'] = '\u0637\u0645\u064A'; + t['\uFD75'] = '\u0639\u062C\u0645'; + t['\uFD76'] = '\u0639\u0645\u0645'; + t['\uFD77'] = '\u0639\u0645\u0645'; + t['\uFD78'] = '\u0639\u0645\u0649'; + t['\uFD79'] = '\u063A\u0645\u0645'; + t['\uFD7A'] = '\u063A\u0645\u064A'; + t['\uFD7B'] = '\u063A\u0645\u0649'; + t['\uFD7C'] = '\u0641\u062E\u0645'; + t['\uFD7D'] = '\u0641\u062E\u0645'; + t['\uFD7E'] = '\u0642\u0645\u062D'; + t['\uFD7F'] = '\u0642\u0645\u0645'; + t['\uFD80'] = '\u0644\u062D\u0645'; + t['\uFD81'] = '\u0644\u062D\u064A'; + t['\uFD82'] = '\u0644\u062D\u0649'; + t['\uFD83'] = '\u0644\u062C\u062C'; + t['\uFD84'] = '\u0644\u062C\u062C'; + t['\uFD85'] = '\u0644\u062E\u0645'; + t['\uFD86'] = '\u0644\u062E\u0645'; + t['\uFD87'] = '\u0644\u0645\u062D'; + t['\uFD88'] = '\u0644\u0645\u062D'; + t['\uFD89'] = '\u0645\u062D\u062C'; + t['\uFD8A'] = '\u0645\u062D\u0645'; + t['\uFD8B'] = '\u0645\u062D\u064A'; + t['\uFD8C'] = '\u0645\u062C\u062D'; + t['\uFD8D'] = '\u0645\u062C\u0645'; + t['\uFD8E'] = '\u0645\u062E\u062C'; + t['\uFD8F'] = '\u0645\u062E\u0645'; + t['\uFD92'] = '\u0645\u062C\u062E'; + t['\uFD93'] = '\u0647\u0645\u062C'; + t['\uFD94'] = '\u0647\u0645\u0645'; + t['\uFD95'] = '\u0646\u062D\u0645'; + t['\uFD96'] = '\u0646\u062D\u0649'; + t['\uFD97'] = '\u0646\u062C\u0645'; + t['\uFD98'] = '\u0646\u062C\u0645'; + t['\uFD99'] = '\u0646\u062C\u0649'; + t['\uFD9A'] = '\u0646\u0645\u064A'; + t['\uFD9B'] = '\u0646\u0645\u0649'; + t['\uFD9C'] = '\u064A\u0645\u0645'; + t['\uFD9D'] = '\u064A\u0645\u0645'; + t['\uFD9E'] = '\u0628\u062E\u064A'; + t['\uFD9F'] = '\u062A\u062C\u064A'; + t['\uFDA0'] = '\u062A\u062C\u0649'; + t['\uFDA1'] = '\u062A\u062E\u064A'; + t['\uFDA2'] = '\u062A\u062E\u0649'; + t['\uFDA3'] = '\u062A\u0645\u064A'; + t['\uFDA4'] = '\u062A\u0645\u0649'; + t['\uFDA5'] = '\u062C\u0645\u064A'; + t['\uFDA6'] = '\u062C\u062D\u0649'; + t['\uFDA7'] = '\u062C\u0645\u0649'; + t['\uFDA8'] = '\u0633\u062E\u0649'; + t['\uFDA9'] = '\u0635\u062D\u064A'; + t['\uFDAA'] = '\u0634\u062D\u064A'; + t['\uFDAB'] = '\u0636\u062D\u064A'; + t['\uFDAC'] = '\u0644\u062C\u064A'; + t['\uFDAD'] = '\u0644\u0645\u064A'; + t['\uFDAE'] = '\u064A\u062D\u064A'; + t['\uFDAF'] = '\u064A\u062C\u064A'; + t['\uFDB0'] = '\u064A\u0645\u064A'; + t['\uFDB1'] = '\u0645\u0645\u064A'; + t['\uFDB2'] = '\u0642\u0645\u064A'; + t['\uFDB3'] = '\u0646\u062D\u064A'; + t['\uFDB4'] = '\u0642\u0645\u062D'; + t['\uFDB5'] = '\u0644\u062D\u0645'; + t['\uFDB6'] = '\u0639\u0645\u064A'; + t['\uFDB7'] = '\u0643\u0645\u064A'; + t['\uFDB8'] = '\u0646\u062C\u062D'; + t['\uFDB9'] = '\u0645\u062E\u064A'; + t['\uFDBA'] = '\u0644\u062C\u0645'; + t['\uFDBB'] = '\u0643\u0645\u0645'; + t['\uFDBC'] = '\u0644\u062C\u0645'; + t['\uFDBD'] = '\u0646\u062C\u062D'; + t['\uFDBE'] = '\u062C\u062D\u064A'; + t['\uFDBF'] = '\u062D\u062C\u064A'; + t['\uFDC0'] = '\u0645\u062C\u064A'; + t['\uFDC1'] = '\u0641\u0645\u064A'; + t['\uFDC2'] = '\u0628\u062D\u064A'; + t['\uFDC3'] = '\u0643\u0645\u0645'; + t['\uFDC4'] = '\u0639\u062C\u0645'; + t['\uFDC5'] = '\u0635\u0645\u0645'; + t['\uFDC6'] = '\u0633\u062E\u064A'; + t['\uFDC7'] = '\u0646\u062C\u064A'; + t['\uFE49'] = '\u203E'; + t['\uFE4A'] = '\u203E'; + t['\uFE4B'] = '\u203E'; + t['\uFE4C'] = '\u203E'; + t['\uFE4D'] = '\u005F'; + t['\uFE4E'] = '\u005F'; + t['\uFE4F'] = '\u005F'; + t['\uFE80'] = '\u0621'; + t['\uFE81'] = '\u0622'; + t['\uFE82'] = '\u0622'; + t['\uFE83'] = '\u0623'; + t['\uFE84'] = '\u0623'; + t['\uFE85'] = '\u0624'; + t['\uFE86'] = '\u0624'; + t['\uFE87'] = '\u0625'; + t['\uFE88'] = '\u0625'; + t['\uFE89'] = '\u0626'; + t['\uFE8A'] = '\u0626'; + t['\uFE8B'] = '\u0626'; + t['\uFE8C'] = '\u0626'; + t['\uFE8D'] = '\u0627'; + t['\uFE8E'] = '\u0627'; + t['\uFE8F'] = '\u0628'; + t['\uFE90'] = '\u0628'; + t['\uFE91'] = '\u0628'; + t['\uFE92'] = '\u0628'; + t['\uFE93'] = '\u0629'; + t['\uFE94'] = '\u0629'; + t['\uFE95'] = '\u062A'; + t['\uFE96'] = '\u062A'; + t['\uFE97'] = '\u062A'; + t['\uFE98'] = '\u062A'; + t['\uFE99'] = '\u062B'; + t['\uFE9A'] = '\u062B'; + t['\uFE9B'] = '\u062B'; + t['\uFE9C'] = '\u062B'; + t['\uFE9D'] = '\u062C'; + t['\uFE9E'] = '\u062C'; + t['\uFE9F'] = '\u062C'; + t['\uFEA0'] = '\u062C'; + t['\uFEA1'] = '\u062D'; + t['\uFEA2'] = '\u062D'; + t['\uFEA3'] = '\u062D'; + t['\uFEA4'] = '\u062D'; + t['\uFEA5'] = '\u062E'; + t['\uFEA6'] = '\u062E'; + t['\uFEA7'] = '\u062E'; + t['\uFEA8'] = '\u062E'; + t['\uFEA9'] = '\u062F'; + t['\uFEAA'] = '\u062F'; + t['\uFEAB'] = '\u0630'; + t['\uFEAC'] = '\u0630'; + t['\uFEAD'] = '\u0631'; + t['\uFEAE'] = '\u0631'; + t['\uFEAF'] = '\u0632'; + t['\uFEB0'] = '\u0632'; + t['\uFEB1'] = '\u0633'; + t['\uFEB2'] = '\u0633'; + t['\uFEB3'] = '\u0633'; + t['\uFEB4'] = '\u0633'; + t['\uFEB5'] = '\u0634'; + t['\uFEB6'] = '\u0634'; + t['\uFEB7'] = '\u0634'; + t['\uFEB8'] = '\u0634'; + t['\uFEB9'] = '\u0635'; + t['\uFEBA'] = '\u0635'; + t['\uFEBB'] = '\u0635'; + t['\uFEBC'] = '\u0635'; + t['\uFEBD'] = '\u0636'; + t['\uFEBE'] = '\u0636'; + t['\uFEBF'] = '\u0636'; + t['\uFEC0'] = '\u0636'; + t['\uFEC1'] = '\u0637'; + t['\uFEC2'] = '\u0637'; + t['\uFEC3'] = '\u0637'; + t['\uFEC4'] = '\u0637'; + t['\uFEC5'] = '\u0638'; + t['\uFEC6'] = '\u0638'; + t['\uFEC7'] = '\u0638'; + t['\uFEC8'] = '\u0638'; + t['\uFEC9'] = '\u0639'; + t['\uFECA'] = '\u0639'; + t['\uFECB'] = '\u0639'; + t['\uFECC'] = '\u0639'; + t['\uFECD'] = '\u063A'; + t['\uFECE'] = '\u063A'; + t['\uFECF'] = '\u063A'; + t['\uFED0'] = '\u063A'; + t['\uFED1'] = '\u0641'; + t['\uFED2'] = '\u0641'; + t['\uFED3'] = '\u0641'; + t['\uFED4'] = '\u0641'; + t['\uFED5'] = '\u0642'; + t['\uFED6'] = '\u0642'; + t['\uFED7'] = '\u0642'; + t['\uFED8'] = '\u0642'; + t['\uFED9'] = '\u0643'; + t['\uFEDA'] = '\u0643'; + t['\uFEDB'] = '\u0643'; + t['\uFEDC'] = '\u0643'; + t['\uFEDD'] = '\u0644'; + t['\uFEDE'] = '\u0644'; + t['\uFEDF'] = '\u0644'; + t['\uFEE0'] = '\u0644'; + t['\uFEE1'] = '\u0645'; + t['\uFEE2'] = '\u0645'; + t['\uFEE3'] = '\u0645'; + t['\uFEE4'] = '\u0645'; + t['\uFEE5'] = '\u0646'; + t['\uFEE6'] = '\u0646'; + t['\uFEE7'] = '\u0646'; + t['\uFEE8'] = '\u0646'; + t['\uFEE9'] = '\u0647'; + t['\uFEEA'] = '\u0647'; + t['\uFEEB'] = '\u0647'; + t['\uFEEC'] = '\u0647'; + t['\uFEED'] = '\u0648'; + t['\uFEEE'] = '\u0648'; + t['\uFEEF'] = '\u0649'; + t['\uFEF0'] = '\u0649'; + t['\uFEF1'] = '\u064A'; + t['\uFEF2'] = '\u064A'; + t['\uFEF3'] = '\u064A'; + t['\uFEF4'] = '\u064A'; + t['\uFEF5'] = '\u0644\u0622'; + t['\uFEF6'] = '\u0644\u0622'; + t['\uFEF7'] = '\u0644\u0623'; + t['\uFEF8'] = '\u0644\u0623'; + t['\uFEF9'] = '\u0644\u0625'; + t['\uFEFA'] = '\u0644\u0625'; + t['\uFEFB'] = '\u0644\u0627'; + t['\uFEFC'] = '\u0644\u0627'; + }); + function reverseIfRtl(chars) { + var charsLength = chars.length; + //reverse an arabic ligature + if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) { + return chars; + } + var s = ''; + for (var ii = charsLength - 1; ii >= 0; ii--) { + s += chars[ii]; + } + return s; + } + exports.mapSpecialUnicodeValues = mapSpecialUnicodeValues; + exports.reverseIfRtl = reverseIfRtl; + exports.getUnicodeRangeFor = getUnicodeRangeFor; + exports.getNormalizedUnicodes = getNormalizedUnicodes; + exports.getUnicodeForGlyph = getUnicodeForGlyph; + })); + (function (root, factory) { + factory(root.pdfjsCoreStream = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreJbig2, root.pdfjsCoreJpg, root.pdfjsCoreJpx); + }(this, function (exports, sharedUtil, corePrimitives, coreJbig2, coreJpg, coreJpx) { + var Util = sharedUtil.Util; + var error = sharedUtil.error; + var info = sharedUtil.info; + var isInt = sharedUtil.isInt; + var isArray = sharedUtil.isArray; + var createObjectURL = sharedUtil.createObjectURL; + var shadow = sharedUtil.shadow; + var warn = sharedUtil.warn; + var isSpace = sharedUtil.isSpace; + var Dict = corePrimitives.Dict; + var isDict = corePrimitives.isDict; + var isStream = corePrimitives.isStream; + var Jbig2Image = coreJbig2.Jbig2Image; + var JpegImage = coreJpg.JpegImage; + var JpxImage = coreJpx.JpxImage; + var Stream = function StreamClosure() { + function Stream(arrayBuffer, start, length, dict) { + this.bytes = arrayBuffer instanceof Uint8Array ? arrayBuffer : new Uint8Array(arrayBuffer); + this.start = start || 0; + this.pos = this.start; + this.end = start + length || this.bytes.length; + this.dict = dict; + } + // required methods for a stream. if a particular stream does not + // implement these, an error should be thrown + Stream.prototype = { + get length() { + return this.end - this.start; + }, + get isEmpty() { + return this.length === 0; + }, + getByte: function Stream_getByte() { + if (this.pos >= this.end) { + return -1; + } + return this.bytes[this.pos++]; + }, + getUint16: function Stream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + getInt32: function Stream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + // returns subarray of original buffer + // should only be read + getBytes: function Stream_getBytes(length) { + var bytes = this.bytes; + var pos = this.pos; + var strEnd = this.end; + if (!length) { + return bytes.subarray(pos, strEnd); + } + var end = pos + length; + if (end > strEnd) { + end = strEnd; + } + this.pos = end; + return bytes.subarray(pos, end); + }, + peekByte: function Stream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + peekBytes: function Stream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + skip: function Stream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + reset: function Stream_reset() { + this.pos = this.start; + }, + moveStart: function Stream_moveStart() { + this.start = this.pos; + }, + makeSubStream: function Stream_makeSubStream(start, length, dict) { + return new Stream(this.bytes.buffer, start, length, dict); + }, + isStream: true + }; + return Stream; + }(); + var StringStream = function StringStreamClosure() { + function StringStream(str) { + var length = str.length; + var bytes = new Uint8Array(length); + for (var n = 0; n < length; ++n) { + bytes[n] = str.charCodeAt(n); + } + Stream.call(this, bytes); + } + StringStream.prototype = Stream.prototype; + return StringStream; + }(); + // super class for the decoding streams + var DecodeStream = function DecodeStreamClosure() { + // Lots of DecodeStreams are created whose buffers are never used. For these + // we share a single empty buffer. This is (a) space-efficient and (b) avoids + // having special cases that would be required if we used |null| for an empty + // buffer. + var emptyBuffer = new Uint8Array(0); + function DecodeStream(maybeMinBufferLength) { + this.pos = 0; + this.bufferLength = 0; + this.eof = false; + this.buffer = emptyBuffer; + this.minBufferLength = 512; + if (maybeMinBufferLength) { + // Compute the first power of two that is as big as maybeMinBufferLength. + while (this.minBufferLength < maybeMinBufferLength) { + this.minBufferLength *= 2; + } + } + } + DecodeStream.prototype = { + get isEmpty() { + while (!this.eof && this.bufferLength === 0) { + this.readBlock(); + } + return this.bufferLength === 0; + }, + ensureBuffer: function DecodeStream_ensureBuffer(requested) { + var buffer = this.buffer; + if (requested <= buffer.byteLength) { + return buffer; + } + var size = this.minBufferLength; + while (size < requested) { + size *= 2; + } + var buffer2 = new Uint8Array(size); + buffer2.set(buffer); + return this.buffer = buffer2; + }, + getByte: function DecodeStream_getByte() { + var pos = this.pos; + while (this.bufferLength <= pos) { + if (this.eof) { + return -1; + } + this.readBlock(); + } + return this.buffer[this.pos++]; + }, + getUint16: function DecodeStream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + getInt32: function DecodeStream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + getBytes: function DecodeStream_getBytes(length) { + var end, pos = this.pos; + if (length) { + this.ensureBuffer(pos + length); + end = pos + length; + while (!this.eof && this.bufferLength < end) { + this.readBlock(); + } + var bufEnd = this.bufferLength; + if (end > bufEnd) { + end = bufEnd; + } + } else { + while (!this.eof) { + this.readBlock(); + } + end = this.bufferLength; + } + this.pos = end; + return this.buffer.subarray(pos, end); + }, + peekByte: function DecodeStream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + peekBytes: function DecodeStream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + makeSubStream: function DecodeStream_makeSubStream(start, length, dict) { + var end = start + length; + while (this.bufferLength <= end && !this.eof) { + this.readBlock(); + } + return new Stream(this.buffer, start, length, dict); + }, + skip: function DecodeStream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + reset: function DecodeStream_reset() { + this.pos = 0; + }, + getBaseStreams: function DecodeStream_getBaseStreams() { + if (this.str && this.str.getBaseStreams) { + return this.str.getBaseStreams(); + } + return []; + } + }; + return DecodeStream; + }(); + var StreamsSequenceStream = function StreamsSequenceStreamClosure() { + function StreamsSequenceStream(streams) { + this.streams = streams; + DecodeStream.call(this, /* maybeLength = */ + null); + } + StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype); + StreamsSequenceStream.prototype.readBlock = function streamSequenceStreamReadBlock() { + var streams = this.streams; + if (streams.length === 0) { + this.eof = true; + return; + } + var stream = streams.shift(); + var chunk = stream.getBytes(); + var bufferLength = this.bufferLength; + var newLength = bufferLength + chunk.length; + var buffer = this.ensureBuffer(newLength); + buffer.set(chunk, bufferLength); + this.bufferLength = newLength; + }; + StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() { + var baseStreams = []; + for (var i = 0, ii = this.streams.length; i < ii; i++) { + var stream = this.streams[i]; + if (stream.getBaseStreams) { + Util.appendToArray(baseStreams, stream.getBaseStreams()); + } + } + return baseStreams; + }; + return StreamsSequenceStream; + }(); + var FlateStream = function FlateStreamClosure() { + var codeLenCodeMap = new Int32Array([ + 16, + 17, + 18, + 0, + 8, + 7, + 9, + 6, + 10, + 5, + 11, + 4, + 12, + 3, + 13, + 2, + 14, + 1, + 15 + ]); + var lengthDecode = new Int32Array([ + 0x00003, + 0x00004, + 0x00005, + 0x00006, + 0x00007, + 0x00008, + 0x00009, + 0x0000a, + 0x1000b, + 0x1000d, + 0x1000f, + 0x10011, + 0x20013, + 0x20017, + 0x2001b, + 0x2001f, + 0x30023, + 0x3002b, + 0x30033, + 0x3003b, + 0x40043, + 0x40053, + 0x40063, + 0x40073, + 0x50083, + 0x500a3, + 0x500c3, + 0x500e3, + 0x00102, + 0x00102, + 0x00102 + ]); + var distDecode = new Int32Array([ + 0x00001, + 0x00002, + 0x00003, + 0x00004, + 0x10005, + 0x10007, + 0x20009, + 0x2000d, + 0x30011, + 0x30019, + 0x40021, + 0x40031, + 0x50041, + 0x50061, + 0x60081, + 0x600c1, + 0x70101, + 0x70181, + 0x80201, + 0x80301, + 0x90401, + 0x90601, + 0xa0801, + 0xa0c01, + 0xb1001, + 0xb1801, + 0xc2001, + 0xc3001, + 0xd4001, + 0xd6001 + ]); + var fixedLitCodeTab = [ + new Int32Array([ + 0x70100, + 0x80050, + 0x80010, + 0x80118, + 0x70110, + 0x80070, + 0x80030, + 0x900c0, + 0x70108, + 0x80060, + 0x80020, + 0x900a0, + 0x80000, + 0x80080, + 0x80040, + 0x900e0, + 0x70104, + 0x80058, + 0x80018, + 0x90090, + 0x70114, + 0x80078, + 0x80038, + 0x900d0, + 0x7010c, + 0x80068, + 0x80028, + 0x900b0, + 0x80008, + 0x80088, + 0x80048, + 0x900f0, + 0x70102, + 0x80054, + 0x80014, + 0x8011c, + 0x70112, + 0x80074, + 0x80034, + 0x900c8, + 0x7010a, + 0x80064, + 0x80024, + 0x900a8, + 0x80004, + 0x80084, + 0x80044, + 0x900e8, + 0x70106, + 0x8005c, + 0x8001c, + 0x90098, + 0x70116, + 0x8007c, + 0x8003c, + 0x900d8, + 0x7010e, + 0x8006c, + 0x8002c, + 0x900b8, + 0x8000c, + 0x8008c, + 0x8004c, + 0x900f8, + 0x70101, + 0x80052, + 0x80012, + 0x8011a, + 0x70111, + 0x80072, + 0x80032, + 0x900c4, + 0x70109, + 0x80062, + 0x80022, + 0x900a4, + 0x80002, + 0x80082, + 0x80042, + 0x900e4, + 0x70105, + 0x8005a, + 0x8001a, + 0x90094, + 0x70115, + 0x8007a, + 0x8003a, + 0x900d4, + 0x7010d, + 0x8006a, + 0x8002a, + 0x900b4, + 0x8000a, + 0x8008a, + 0x8004a, + 0x900f4, + 0x70103, + 0x80056, + 0x80016, + 0x8011e, + 0x70113, + 0x80076, + 0x80036, + 0x900cc, + 0x7010b, + 0x80066, + 0x80026, + 0x900ac, + 0x80006, + 0x80086, + 0x80046, + 0x900ec, + 0x70107, + 0x8005e, + 0x8001e, + 0x9009c, + 0x70117, + 0x8007e, + 0x8003e, + 0x900dc, + 0x7010f, + 0x8006e, + 0x8002e, + 0x900bc, + 0x8000e, + 0x8008e, + 0x8004e, + 0x900fc, + 0x70100, + 0x80051, + 0x80011, + 0x80119, + 0x70110, + 0x80071, + 0x80031, + 0x900c2, + 0x70108, + 0x80061, + 0x80021, + 0x900a2, + 0x80001, + 0x80081, + 0x80041, + 0x900e2, + 0x70104, + 0x80059, + 0x80019, + 0x90092, + 0x70114, + 0x80079, + 0x80039, + 0x900d2, + 0x7010c, + 0x80069, + 0x80029, + 0x900b2, + 0x80009, + 0x80089, + 0x80049, + 0x900f2, + 0x70102, + 0x80055, + 0x80015, + 0x8011d, + 0x70112, + 0x80075, + 0x80035, + 0x900ca, + 0x7010a, + 0x80065, + 0x80025, + 0x900aa, + 0x80005, + 0x80085, + 0x80045, + 0x900ea, + 0x70106, + 0x8005d, + 0x8001d, + 0x9009a, + 0x70116, + 0x8007d, + 0x8003d, + 0x900da, + 0x7010e, + 0x8006d, + 0x8002d, + 0x900ba, + 0x8000d, + 0x8008d, + 0x8004d, + 0x900fa, + 0x70101, + 0x80053, + 0x80013, + 0x8011b, + 0x70111, + 0x80073, + 0x80033, + 0x900c6, + 0x70109, + 0x80063, + 0x80023, + 0x900a6, + 0x80003, + 0x80083, + 0x80043, + 0x900e6, + 0x70105, + 0x8005b, + 0x8001b, + 0x90096, + 0x70115, + 0x8007b, + 0x8003b, + 0x900d6, + 0x7010d, + 0x8006b, + 0x8002b, + 0x900b6, + 0x8000b, + 0x8008b, + 0x8004b, + 0x900f6, + 0x70103, + 0x80057, + 0x80017, + 0x8011f, + 0x70113, + 0x80077, + 0x80037, + 0x900ce, + 0x7010b, + 0x80067, + 0x80027, + 0x900ae, + 0x80007, + 0x80087, + 0x80047, + 0x900ee, + 0x70107, + 0x8005f, + 0x8001f, + 0x9009e, + 0x70117, + 0x8007f, + 0x8003f, + 0x900de, + 0x7010f, + 0x8006f, + 0x8002f, + 0x900be, + 0x8000f, + 0x8008f, + 0x8004f, + 0x900fe, + 0x70100, + 0x80050, + 0x80010, + 0x80118, + 0x70110, + 0x80070, + 0x80030, + 0x900c1, + 0x70108, + 0x80060, + 0x80020, + 0x900a1, + 0x80000, + 0x80080, + 0x80040, + 0x900e1, + 0x70104, + 0x80058, + 0x80018, + 0x90091, + 0x70114, + 0x80078, + 0x80038, + 0x900d1, + 0x7010c, + 0x80068, + 0x80028, + 0x900b1, + 0x80008, + 0x80088, + 0x80048, + 0x900f1, + 0x70102, + 0x80054, + 0x80014, + 0x8011c, + 0x70112, + 0x80074, + 0x80034, + 0x900c9, + 0x7010a, + 0x80064, + 0x80024, + 0x900a9, + 0x80004, + 0x80084, + 0x80044, + 0x900e9, + 0x70106, + 0x8005c, + 0x8001c, + 0x90099, + 0x70116, + 0x8007c, + 0x8003c, + 0x900d9, + 0x7010e, + 0x8006c, + 0x8002c, + 0x900b9, + 0x8000c, + 0x8008c, + 0x8004c, + 0x900f9, + 0x70101, + 0x80052, + 0x80012, + 0x8011a, + 0x70111, + 0x80072, + 0x80032, + 0x900c5, + 0x70109, + 0x80062, + 0x80022, + 0x900a5, + 0x80002, + 0x80082, + 0x80042, + 0x900e5, + 0x70105, + 0x8005a, + 0x8001a, + 0x90095, + 0x70115, + 0x8007a, + 0x8003a, + 0x900d5, + 0x7010d, + 0x8006a, + 0x8002a, + 0x900b5, + 0x8000a, + 0x8008a, + 0x8004a, + 0x900f5, + 0x70103, + 0x80056, + 0x80016, + 0x8011e, + 0x70113, + 0x80076, + 0x80036, + 0x900cd, + 0x7010b, + 0x80066, + 0x80026, + 0x900ad, + 0x80006, + 0x80086, + 0x80046, + 0x900ed, + 0x70107, + 0x8005e, + 0x8001e, + 0x9009d, + 0x70117, + 0x8007e, + 0x8003e, + 0x900dd, + 0x7010f, + 0x8006e, + 0x8002e, + 0x900bd, + 0x8000e, + 0x8008e, + 0x8004e, + 0x900fd, + 0x70100, + 0x80051, + 0x80011, + 0x80119, + 0x70110, + 0x80071, + 0x80031, + 0x900c3, + 0x70108, + 0x80061, + 0x80021, + 0x900a3, + 0x80001, + 0x80081, + 0x80041, + 0x900e3, + 0x70104, + 0x80059, + 0x80019, + 0x90093, + 0x70114, + 0x80079, + 0x80039, + 0x900d3, + 0x7010c, + 0x80069, + 0x80029, + 0x900b3, + 0x80009, + 0x80089, + 0x80049, + 0x900f3, + 0x70102, + 0x80055, + 0x80015, + 0x8011d, + 0x70112, + 0x80075, + 0x80035, + 0x900cb, + 0x7010a, + 0x80065, + 0x80025, + 0x900ab, + 0x80005, + 0x80085, + 0x80045, + 0x900eb, + 0x70106, + 0x8005d, + 0x8001d, + 0x9009b, + 0x70116, + 0x8007d, + 0x8003d, + 0x900db, + 0x7010e, + 0x8006d, + 0x8002d, + 0x900bb, + 0x8000d, + 0x8008d, + 0x8004d, + 0x900fb, + 0x70101, + 0x80053, + 0x80013, + 0x8011b, + 0x70111, + 0x80073, + 0x80033, + 0x900c7, + 0x70109, + 0x80063, + 0x80023, + 0x900a7, + 0x80003, + 0x80083, + 0x80043, + 0x900e7, + 0x70105, + 0x8005b, + 0x8001b, + 0x90097, + 0x70115, + 0x8007b, + 0x8003b, + 0x900d7, + 0x7010d, + 0x8006b, + 0x8002b, + 0x900b7, + 0x8000b, + 0x8008b, + 0x8004b, + 0x900f7, + 0x70103, + 0x80057, + 0x80017, + 0x8011f, + 0x70113, + 0x80077, + 0x80037, + 0x900cf, + 0x7010b, + 0x80067, + 0x80027, + 0x900af, + 0x80007, + 0x80087, + 0x80047, + 0x900ef, + 0x70107, + 0x8005f, + 0x8001f, + 0x9009f, + 0x70117, + 0x8007f, + 0x8003f, + 0x900df, + 0x7010f, + 0x8006f, + 0x8002f, + 0x900bf, + 0x8000f, + 0x8008f, + 0x8004f, + 0x900ff + ]), + 9 + ]; + var fixedDistCodeTab = [ + new Int32Array([ + 0x50000, + 0x50010, + 0x50008, + 0x50018, + 0x50004, + 0x50014, + 0x5000c, + 0x5001c, + 0x50002, + 0x50012, + 0x5000a, + 0x5001a, + 0x50006, + 0x50016, + 0x5000e, + 0x00000, + 0x50001, + 0x50011, + 0x50009, + 0x50019, + 0x50005, + 0x50015, + 0x5000d, + 0x5001d, + 0x50003, + 0x50013, + 0x5000b, + 0x5001b, + 0x50007, + 0x50017, + 0x5000f, + 0x00000 + ]), + 5 + ]; + function FlateStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + var cmf = str.getByte(); + var flg = str.getByte(); + if (cmf === -1 || flg === -1) { + error('Invalid header in flate stream: ' + cmf + ', ' + flg); + } + if ((cmf & 0x0f) !== 0x08) { + error('Unknown compression method in flate stream: ' + cmf + ', ' + flg); + } + if (((cmf << 8) + flg) % 31 !== 0) { + error('Bad FCHECK in flate stream: ' + cmf + ', ' + flg); + } + if (flg & 0x20) { + error('FDICT bit set in flate stream: ' + cmf + ', ' + flg); + } + this.codeSize = 0; + this.codeBuf = 0; + DecodeStream.call(this, maybeLength); + } + FlateStream.prototype = Object.create(DecodeStream.prototype); + FlateStream.prototype.getBits = function FlateStream_getBits(bits) { + var str = this.str; + var codeSize = this.codeSize; + var codeBuf = this.codeBuf; + var b; + while (codeSize < bits) { + if ((b = str.getByte()) === -1) { + error('Bad encoding in flate stream'); + } + codeBuf |= b << codeSize; + codeSize += 8; + } + b = codeBuf & (1 << bits) - 1; + this.codeBuf = codeBuf >> bits; + this.codeSize = codeSize -= bits; + return b; + }; + FlateStream.prototype.getCode = function FlateStream_getCode(table) { + var str = this.str; + var codes = table[0]; + var maxLen = table[1]; + var codeSize = this.codeSize; + var codeBuf = this.codeBuf; + var b; + while (codeSize < maxLen) { + if ((b = str.getByte()) === -1) { + // premature end of stream. code might however still be valid. + // codeSize < codeLen check below guards against incomplete codeVal. + break; + } + codeBuf |= b << codeSize; + codeSize += 8; + } + var code = codes[codeBuf & (1 << maxLen) - 1]; + var codeLen = code >> 16; + var codeVal = code & 0xffff; + if (codeLen < 1 || codeSize < codeLen) { + error('Bad encoding in flate stream'); + } + this.codeBuf = codeBuf >> codeLen; + this.codeSize = codeSize - codeLen; + return codeVal; + }; + FlateStream.prototype.generateHuffmanTable = function flateStreamGenerateHuffmanTable(lengths) { + var n = lengths.length; + // find max code length + var maxLen = 0; + var i; + for (i = 0; i < n; ++i) { + if (lengths[i] > maxLen) { + maxLen = lengths[i]; + } + } + // build the table + var size = 1 << maxLen; + var codes = new Int32Array(size); + for (var len = 1, code = 0, skip = 2; len <= maxLen; ++len, code <<= 1, skip <<= 1) { + for (var val = 0; val < n; ++val) { + if (lengths[val] === len) { + // bit-reverse the code + var code2 = 0; + var t = code; + for (i = 0; i < len; ++i) { + code2 = code2 << 1 | t & 1; + t >>= 1; + } + // fill the table entries + for (i = code2; i < size; i += skip) { + codes[i] = len << 16 | val; + } + ++code; + } + } + } + return [ + codes, + maxLen + ]; + }; + FlateStream.prototype.readBlock = function FlateStream_readBlock() { + var buffer, len; + var str = this.str; + // read block header + var hdr = this.getBits(3); + if (hdr & 1) { + this.eof = true; + } + hdr >>= 1; + if (hdr === 0) { + // uncompressed block + var b; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + var blockLen = b; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + blockLen |= b << 8; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + var check = b; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + check |= b << 8; + if (check !== (~blockLen & 0xffff) && (blockLen !== 0 || check !== 0)) { + // Ignoring error for bad "empty" block (see issue 1277) + error('Bad uncompressed block length in flate stream'); + } + this.codeBuf = 0; + this.codeSize = 0; + var bufferLength = this.bufferLength; + buffer = this.ensureBuffer(bufferLength + blockLen); + var end = bufferLength + blockLen; + this.bufferLength = end; + if (blockLen === 0) { + if (str.peekByte() === -1) { + this.eof = true; + } + } else { + for (var n = bufferLength; n < end; ++n) { + if ((b = str.getByte()) === -1) { + this.eof = true; + break; + } + buffer[n] = b; + } + } + return; + } + var litCodeTable; + var distCodeTable; + if (hdr === 1) { + // compressed block, fixed codes + litCodeTable = fixedLitCodeTab; + distCodeTable = fixedDistCodeTab; + } else if (hdr === 2) { + // compressed block, dynamic codes + var numLitCodes = this.getBits(5) + 257; + var numDistCodes = this.getBits(5) + 1; + var numCodeLenCodes = this.getBits(4) + 4; + // build the code lengths code table + var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length); + var i; + for (i = 0; i < numCodeLenCodes; ++i) { + codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3); + } + var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths); + // build the literal and distance code tables + len = 0; + i = 0; + var codes = numLitCodes + numDistCodes; + var codeLengths = new Uint8Array(codes); + var bitsLength, bitsOffset, what; + while (i < codes) { + var code = this.getCode(codeLenCodeTab); + if (code === 16) { + bitsLength = 2; + bitsOffset = 3; + what = len; + } else if (code === 17) { + bitsLength = 3; + bitsOffset = 3; + what = len = 0; + } else if (code === 18) { + bitsLength = 7; + bitsOffset = 11; + what = len = 0; + } else { + codeLengths[i++] = len = code; + continue; + } + var repeatLength = this.getBits(bitsLength) + bitsOffset; + while (repeatLength-- > 0) { + codeLengths[i++] = what; + } + } + litCodeTable = this.generateHuffmanTable(codeLengths.subarray(0, numLitCodes)); + distCodeTable = this.generateHuffmanTable(codeLengths.subarray(numLitCodes, codes)); + } else { + error('Unknown block type in flate stream'); + } + buffer = this.buffer; + var limit = buffer ? buffer.length : 0; + var pos = this.bufferLength; + while (true) { + var code1 = this.getCode(litCodeTable); + if (code1 < 256) { + if (pos + 1 >= limit) { + buffer = this.ensureBuffer(pos + 1); + limit = buffer.length; + } + buffer[pos++] = code1; + continue; + } + if (code1 === 256) { + this.bufferLength = pos; + return; + } + code1 -= 257; + code1 = lengthDecode[code1]; + var code2 = code1 >> 16; + if (code2 > 0) { + code2 = this.getBits(code2); + } + len = (code1 & 0xffff) + code2; + code1 = this.getCode(distCodeTable); + code1 = distDecode[code1]; + code2 = code1 >> 16; + if (code2 > 0) { + code2 = this.getBits(code2); + } + var dist = (code1 & 0xffff) + code2; + if (pos + len >= limit) { + buffer = this.ensureBuffer(pos + len); + limit = buffer.length; + } + for (var k = 0; k < len; ++k, ++pos) { + buffer[pos] = buffer[pos - dist]; + } + } + }; + return FlateStream; + }(); + var PredictorStream = function PredictorStreamClosure() { + function PredictorStream(str, maybeLength, params) { + if (!isDict(params)) { + return str; + } + // no prediction + var predictor = this.predictor = params.get('Predictor') || 1; + if (predictor <= 1) { + return str; + } + // no prediction + if (predictor !== 2 && (predictor < 10 || predictor > 15)) { + error('Unsupported predictor: ' + predictor); + } + if (predictor === 2) { + this.readBlock = this.readBlockTiff; + } else { + this.readBlock = this.readBlockPng; + } + this.str = str; + this.dict = str.dict; + var colors = this.colors = params.get('Colors') || 1; + var bits = this.bits = params.get('BitsPerComponent') || 8; + var columns = this.columns = params.get('Columns') || 1; + this.pixBytes = colors * bits + 7 >> 3; + this.rowBytes = columns * colors * bits + 7 >> 3; + DecodeStream.call(this, maybeLength); + return this; + } + PredictorStream.prototype = Object.create(DecodeStream.prototype); + PredictorStream.prototype.readBlockTiff = function predictorStreamReadBlockTiff() { + var rowBytes = this.rowBytes; + var bufferLength = this.bufferLength; + var buffer = this.ensureBuffer(bufferLength + rowBytes); + var bits = this.bits; + var colors = this.colors; + var rawBytes = this.str.getBytes(rowBytes); + this.eof = !rawBytes.length; + if (this.eof) { + return; + } + var inbuf = 0, outbuf = 0; + var inbits = 0, outbits = 0; + var pos = bufferLength; + var i; + if (bits === 1) { + for (i = 0; i < rowBytes; ++i) { + var c = rawBytes[i]; + inbuf = inbuf << 8 | c; + // bitwise addition is exclusive or + // first shift inbuf and then add + buffer[pos++] = (c ^ inbuf >> colors) & 0xFF; + // truncate inbuf (assumes colors < 16) + inbuf &= 0xFFFF; + } + } else if (bits === 8) { + for (i = 0; i < colors; ++i) { + buffer[pos++] = rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[pos] = buffer[pos - colors] + rawBytes[i]; + pos++; + } + } else { + var compArray = new Uint8Array(colors + 1); + var bitMask = (1 << bits) - 1; + var j = 0, k = bufferLength; + var columns = this.columns; + for (i = 0; i < columns; ++i) { + for (var kk = 0; kk < colors; ++kk) { + if (inbits < bits) { + inbuf = inbuf << 8 | rawBytes[j++] & 0xFF; + inbits += 8; + } + compArray[kk] = compArray[kk] + (inbuf >> inbits - bits) & bitMask; + inbits -= bits; + outbuf = outbuf << bits | compArray[kk]; + outbits += bits; + if (outbits >= 8) { + buffer[k++] = outbuf >> outbits - 8 & 0xFF; + outbits -= 8; + } + } + } + if (outbits > 0) { + buffer[k++] = (outbuf << 8 - outbits) + (inbuf & (1 << 8 - outbits) - 1); + } + } + this.bufferLength += rowBytes; + }; + PredictorStream.prototype.readBlockPng = function predictorStreamReadBlockPng() { + var rowBytes = this.rowBytes; + var pixBytes = this.pixBytes; + var predictor = this.str.getByte(); + var rawBytes = this.str.getBytes(rowBytes); + this.eof = !rawBytes.length; + if (this.eof) { + return; + } + var bufferLength = this.bufferLength; + var buffer = this.ensureBuffer(bufferLength + rowBytes); + var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength); + if (prevRow.length === 0) { + prevRow = new Uint8Array(rowBytes); + } + var i, j = bufferLength, up, c; + switch (predictor) { + case 0: + for (i = 0; i < rowBytes; ++i) { + buffer[j++] = rawBytes[i]; + } + break; + case 1: + for (i = 0; i < pixBytes; ++i) { + buffer[j++] = rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[j] = buffer[j - pixBytes] + rawBytes[i] & 0xFF; + j++; + } + break; + case 2: + for (i = 0; i < rowBytes; ++i) { + buffer[j++] = prevRow[i] + rawBytes[i] & 0xFF; + } + break; + case 3: + for (i = 0; i < pixBytes; ++i) { + buffer[j++] = (prevRow[i] >> 1) + rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[j] = (prevRow[i] + buffer[j - pixBytes] >> 1) + rawBytes[i] & 0xFF; + j++; + } + break; + case 4: + // we need to save the up left pixels values. the simplest way + // is to create a new buffer + for (i = 0; i < pixBytes; ++i) { + up = prevRow[i]; + c = rawBytes[i]; + buffer[j++] = up + c; + } + for (; i < rowBytes; ++i) { + up = prevRow[i]; + var upLeft = prevRow[i - pixBytes]; + var left = buffer[j - pixBytes]; + var p = left + up - upLeft; + var pa = p - left; + if (pa < 0) { + pa = -pa; + } + var pb = p - up; + if (pb < 0) { + pb = -pb; + } + var pc = p - upLeft; + if (pc < 0) { + pc = -pc; + } + c = rawBytes[i]; + if (pa <= pb && pa <= pc) { + buffer[j++] = left + c; + } else if (pb <= pc) { + buffer[j++] = up + c; + } else { + buffer[j++] = upLeft + c; + } + } + break; + default: + error('Unsupported predictor: ' + predictor); + } + this.bufferLength += rowBytes; + }; + return PredictorStream; + }(); + /** + * Depending on the type of JPEG a JpegStream is handled in different ways. For + * JPEG's that are supported natively such as DeviceGray and DeviceRGB the image + * data is stored and then loaded by the browser. For unsupported JPEG's we use + * a library to decode these images and the stream behaves like all the other + * DecodeStreams. + */ + var JpegStream = function JpegStreamClosure() { + function JpegStream(stream, maybeLength, dict, params) { + // Some images may contain 'junk' before the SOI (start-of-image) marker. + // Note: this seems to mainly affect inline images. + var ch; + while ((ch = stream.getByte()) !== -1) { + if (ch === 0xFF) { + // Find the first byte of the SOI marker (0xFFD8). + stream.skip(-1); + // Reset the stream position to the SOI. + break; + } + } + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + this.params = params; + DecodeStream.call(this, maybeLength); + } + JpegStream.prototype = Object.create(DecodeStream.prototype); + Object.defineProperty(JpegStream.prototype, 'bytes', { + get: function JpegStream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + JpegStream.prototype.ensureBuffer = function JpegStream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + var jpegImage = new JpegImage(); + // Checking if values need to be transformed before conversion. + var decodeArr = this.dict.getArray('Decode', 'D'); + if (this.forceRGB && isArray(decodeArr)) { + var bitsPerComponent = this.dict.get('BitsPerComponent') || 8; + var decodeArrLength = decodeArr.length; + var transform = new Int32Array(decodeArrLength); + var transformNeeded = false; + var maxValue = (1 << bitsPerComponent) - 1; + for (var i = 0; i < decodeArrLength; i += 2) { + transform[i] = (decodeArr[i + 1] - decodeArr[i]) * 256 | 0; + transform[i + 1] = decodeArr[i] * maxValue | 0; + if (transform[i] !== 256 || transform[i + 1] !== 0) { + transformNeeded = true; + } + } + if (transformNeeded) { + jpegImage.decodeTransform = transform; + } + } + // Fetching the 'ColorTransform' entry, if it exists. + if (isDict(this.params)) { + var colorTransform = this.params.get('ColorTransform'); + if (isInt(colorTransform)) { + jpegImage.colorTransform = colorTransform; + } + } + jpegImage.parse(this.bytes); + var data = jpegImage.getData(this.drawWidth, this.drawHeight, this.forceRGB); + this.buffer = data; + this.bufferLength = data.length; + this.eof = true; + }; + JpegStream.prototype.getBytes = function JpegStream_getBytes(length) { + this.ensureBuffer(); + return this.buffer; + }; + JpegStream.prototype.getIR = function JpegStream_getIR(forceDataSchema) { + return createObjectURL(this.bytes, 'image/jpeg', forceDataSchema); + }; + return JpegStream; + }(); + /** + * For JPEG 2000's we use a library to decode these images and + * the stream behaves like all the other DecodeStreams. + */ + var JpxStream = function JpxStreamClosure() { + function JpxStream(stream, maybeLength, dict, params) { + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + this.params = params; + DecodeStream.call(this, maybeLength); + } + JpxStream.prototype = Object.create(DecodeStream.prototype); + Object.defineProperty(JpxStream.prototype, 'bytes', { + get: function JpxStream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + JpxStream.prototype.ensureBuffer = function JpxStream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + var jpxImage = new JpxImage(); + jpxImage.parse(this.bytes); + var width = jpxImage.width; + var height = jpxImage.height; + var componentsCount = jpxImage.componentsCount; + var tileCount = jpxImage.tiles.length; + if (tileCount === 1) { + this.buffer = jpxImage.tiles[0].items; + } else { + var data = new Uint8Array(width * height * componentsCount); + for (var k = 0; k < tileCount; k++) { + var tileComponents = jpxImage.tiles[k]; + var tileWidth = tileComponents.width; + var tileHeight = tileComponents.height; + var tileLeft = tileComponents.left; + var tileTop = tileComponents.top; + var src = tileComponents.items; + var srcPosition = 0; + var dataPosition = (width * tileTop + tileLeft) * componentsCount; + var imgRowSize = width * componentsCount; + var tileRowSize = tileWidth * componentsCount; + for (var j = 0; j < tileHeight; j++) { + var rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize); + data.set(rowBytes, dataPosition); + srcPosition += tileRowSize; + dataPosition += imgRowSize; + } + } + this.buffer = data; + } + this.bufferLength = this.buffer.length; + this.eof = true; + }; + return JpxStream; + }(); + /** + * For JBIG2's we use a library to decode these images and + * the stream behaves like all the other DecodeStreams. + */ + var Jbig2Stream = function Jbig2StreamClosure() { + function Jbig2Stream(stream, maybeLength, dict, params) { + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + this.params = params; + DecodeStream.call(this, maybeLength); + } + Jbig2Stream.prototype = Object.create(DecodeStream.prototype); + Object.defineProperty(Jbig2Stream.prototype, 'bytes', { + get: function Jbig2Stream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + Jbig2Stream.prototype.ensureBuffer = function Jbig2Stream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + var jbig2Image = new Jbig2Image(); + var chunks = []; + if (isDict(this.params)) { + var globalsStream = this.params.get('JBIG2Globals'); + if (isStream(globalsStream)) { + var globals = globalsStream.getBytes(); + chunks.push({ + data: globals, + start: 0, + end: globals.length + }); + } + } + chunks.push({ + data: this.bytes, + start: 0, + end: this.bytes.length + }); + var data = jbig2Image.parseChunks(chunks); + var dataLength = data.length; + // JBIG2 had black as 1 and white as 0, inverting the colors + for (var i = 0; i < dataLength; i++) { + data[i] ^= 0xFF; + } + this.buffer = data; + this.bufferLength = dataLength; + this.eof = true; + }; + return Jbig2Stream; + }(); + var DecryptStream = function DecryptStreamClosure() { + function DecryptStream(str, maybeLength, decrypt) { + this.str = str; + this.dict = str.dict; + this.decrypt = decrypt; + this.nextChunk = null; + this.initialized = false; + DecodeStream.call(this, maybeLength); + } + var chunkSize = 512; + DecryptStream.prototype = Object.create(DecodeStream.prototype); + DecryptStream.prototype.readBlock = function DecryptStream_readBlock() { + var chunk; + if (this.initialized) { + chunk = this.nextChunk; + } else { + chunk = this.str.getBytes(chunkSize); + this.initialized = true; + } + if (!chunk || chunk.length === 0) { + this.eof = true; + return; + } + this.nextChunk = this.str.getBytes(chunkSize); + var hasMoreData = this.nextChunk && this.nextChunk.length > 0; + var decrypt = this.decrypt; + chunk = decrypt(chunk, !hasMoreData); + var bufferLength = this.bufferLength; + var i, n = chunk.length; + var buffer = this.ensureBuffer(bufferLength + n); + for (i = 0; i < n; i++) { + buffer[bufferLength++] = chunk[i]; + } + this.bufferLength = bufferLength; + }; + return DecryptStream; + }(); + var Ascii85Stream = function Ascii85StreamClosure() { + function Ascii85Stream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + this.input = new Uint8Array(5); + // Most streams increase in size when decoded, but Ascii85 streams + // typically shrink by ~20%. + if (maybeLength) { + maybeLength = 0.8 * maybeLength; + } + DecodeStream.call(this, maybeLength); + } + Ascii85Stream.prototype = Object.create(DecodeStream.prototype); + Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() { + var TILDA_CHAR = 0x7E; + // '~' + var Z_LOWER_CHAR = 0x7A; + // 'z' + var EOF = -1; + var str = this.str; + var c = str.getByte(); + while (isSpace(c)) { + c = str.getByte(); + } + if (c === EOF || c === TILDA_CHAR) { + this.eof = true; + return; + } + var bufferLength = this.bufferLength, buffer; + var i; + // special code for z + if (c === Z_LOWER_CHAR) { + buffer = this.ensureBuffer(bufferLength + 4); + for (i = 0; i < 4; ++i) { + buffer[bufferLength + i] = 0; + } + this.bufferLength += 4; + } else { + var input = this.input; + input[0] = c; + for (i = 1; i < 5; ++i) { + c = str.getByte(); + while (isSpace(c)) { + c = str.getByte(); + } + input[i] = c; + if (c === EOF || c === TILDA_CHAR) { + break; + } + } + buffer = this.ensureBuffer(bufferLength + i - 1); + this.bufferLength += i - 1; + // partial ending; + if (i < 5) { + for (; i < 5; ++i) { + input[i] = 0x21 + 84; + } + this.eof = true; + } + var t = 0; + for (i = 0; i < 5; ++i) { + t = t * 85 + (input[i] - 0x21); + } + for (i = 3; i >= 0; --i) { + buffer[bufferLength + i] = t & 0xFF; + t >>= 8; + } + } + }; + return Ascii85Stream; + }(); + var AsciiHexStream = function AsciiHexStreamClosure() { + function AsciiHexStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + this.firstDigit = -1; + // Most streams increase in size when decoded, but AsciiHex streams shrink + // by 50%. + if (maybeLength) { + maybeLength = 0.5 * maybeLength; + } + DecodeStream.call(this, maybeLength); + } + AsciiHexStream.prototype = Object.create(DecodeStream.prototype); + AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() { + var UPSTREAM_BLOCK_SIZE = 8000; + var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE); + if (!bytes.length) { + this.eof = true; + return; + } + var maxDecodeLength = bytes.length + 1 >> 1; + var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength); + var bufferLength = this.bufferLength; + var firstDigit = this.firstDigit; + for (var i = 0, ii = bytes.length; i < ii; i++) { + var ch = bytes[i], digit; + if (ch >= 0x30 && ch <= 0x39) { + // '0'-'9' + digit = ch & 0x0F; + } else if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) { + // 'A'-'Z', 'a'-'z' + digit = (ch & 0x0F) + 9; + } else if (ch === 0x3E) { + // '>' + this.eof = true; + break; + } else { + // probably whitespace + continue; + } + // ignoring + if (firstDigit < 0) { + firstDigit = digit; + } else { + buffer[bufferLength++] = firstDigit << 4 | digit; + firstDigit = -1; + } + } + if (firstDigit >= 0 && this.eof) { + // incomplete byte + buffer[bufferLength++] = firstDigit << 4; + firstDigit = -1; + } + this.firstDigit = firstDigit; + this.bufferLength = bufferLength; + }; + return AsciiHexStream; + }(); + var RunLengthStream = function RunLengthStreamClosure() { + function RunLengthStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + DecodeStream.call(this, maybeLength); + } + RunLengthStream.prototype = Object.create(DecodeStream.prototype); + RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() { + // The repeatHeader has following format. The first byte defines type of run + // and amount of bytes to repeat/copy: n = 0 through 127 - copy next n bytes + // (in addition to the second byte from the header), n = 129 through 255 - + // duplicate the second byte from the header (257 - n) times, n = 128 - end. + var repeatHeader = this.str.getBytes(2); + if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) { + this.eof = true; + return; + } + var buffer; + var bufferLength = this.bufferLength; + var n = repeatHeader[0]; + if (n < 128) { + // copy n bytes + buffer = this.ensureBuffer(bufferLength + n + 1); + buffer[bufferLength++] = repeatHeader[1]; + if (n > 0) { + var source = this.str.getBytes(n); + buffer.set(source, bufferLength); + bufferLength += n; + } + } else { + n = 257 - n; + var b = repeatHeader[1]; + buffer = this.ensureBuffer(bufferLength + n + 1); + for (var i = 0; i < n; i++) { + buffer[bufferLength++] = b; + } + } + this.bufferLength = bufferLength; + }; + return RunLengthStream; + }(); + var CCITTFaxStream = function CCITTFaxStreamClosure() { + var ccittEOL = -2; + var ccittEOF = -1; + var twoDimPass = 0; + var twoDimHoriz = 1; + var twoDimVert0 = 2; + var twoDimVertR1 = 3; + var twoDimVertL1 = 4; + var twoDimVertR2 = 5; + var twoDimVertL2 = 6; + var twoDimVertR3 = 7; + var twoDimVertL3 = 8; + var twoDimTable = [ + [ + -1, + -1 + ], + [ + -1, + -1 + ], + // 000000x + [ + 7, + twoDimVertL3 + ], + // 0000010 + [ + 7, + twoDimVertR3 + ], + // 0000011 + [ + 6, + twoDimVertL2 + ], + [ + 6, + twoDimVertL2 + ], + // 000010x + [ + 6, + twoDimVertR2 + ], + [ + 6, + twoDimVertR2 + ], + // 000011x + [ + 4, + twoDimPass + ], + [ + 4, + twoDimPass + ], + // 0001xxx + [ + 4, + twoDimPass + ], + [ + 4, + twoDimPass + ], + [ + 4, + twoDimPass + ], + [ + 4, + twoDimPass + ], + [ + 4, + twoDimPass + ], + [ + 4, + twoDimPass + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + // 001xxxx + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimHoriz + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + // 010xxxx + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertL1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + // 011xxxx + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 3, + twoDimVertR1 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + // 1xxxxxx + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ], + [ + 1, + twoDimVert0 + ] + ]; + var whiteTable1 = [ + [ + -1, + -1 + ], + // 00000 + [ + 12, + ccittEOL + ], + // 00001 + [ + -1, + -1 + ], + [ + -1, + -1 + ], + // 0001x + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + // 001xx + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + // 010xx + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + // 011xx + [ + 11, + 1792 + ], + [ + 11, + 1792 + ], + // 1000x + [ + 12, + 1984 + ], + // 10010 + [ + 12, + 2048 + ], + // 10011 + [ + 12, + 2112 + ], + // 10100 + [ + 12, + 2176 + ], + // 10101 + [ + 12, + 2240 + ], + // 10110 + [ + 12, + 2304 + ], + // 10111 + [ + 11, + 1856 + ], + [ + 11, + 1856 + ], + // 1100x + [ + 11, + 1920 + ], + [ + 11, + 1920 + ], + // 1101x + [ + 12, + 2368 + ], + // 11100 + [ + 12, + 2432 + ], + // 11101 + [ + 12, + 2496 + ], + // 11110 + [ + 12, + 2560 + ] + ]; + // 11111 + var whiteTable2 = [ + 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+ [ + 7, + 10 + ], + [ + 7, + 10 + ], + [ + 7, + 10 + ], + [ + 7, + 10 + ], + [ + 7, + 10 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + // 0000101xxxxx + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 7, + 11 + ], + [ + 9, + 15 + ], + [ + 9, + 15 + ], + [ + 9, + 15 + ], + [ + 9, + 15 + ], + // 000011000xxx + [ + 9, + 15 + ], + [ + 9, + 15 + ], + [ + 9, + 15 + ], + [ + 9, + 15 + ], + [ + 12, + 128 + ], + // 000011001000 + [ + 12, + 192 + ], + // 000011001001 + [ + 12, + 26 + ], + // 000011001010 + [ + 12, + 27 + ], + // 000011001011 + [ + 12, + 28 + ], + // 000011001100 + [ + 12, + 29 + ], + // 000011001101 + [ + 11, + 19 + ], + [ + 11, + 19 + ], + // 00001100111x + [ + 11, + 20 + ], + [ + 11, + 20 + ], + // 00001101000x + [ + 12, + 34 + ], + // 000011010010 + [ + 12, + 35 + ], + // 000011010011 + [ + 12, + 36 + ], + // 000011010100 + [ + 12, + 37 + ], + // 000011010101 + [ + 12, + 38 + ], + // 000011010110 + [ + 12, + 39 + ], + // 000011010111 + [ + 11, + 21 + ], + [ + 11, + 21 + ], + // 00001101100x + [ + 12, + 42 + ], + // 000011011010 + [ + 12, + 43 + ], + // 000011011011 + [ + 10, + 0 + ], + [ + 10, + 0 + ], + [ + 10, + 0 + ], + [ + 10, + 0 + ], + // 0000110111xx + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + // 0000111xxxxx + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ], + [ + 7, + 12 + ] + ]; + var blackTable3 = [ + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + [ + -1, + -1 + ], + // 0000xx + [ + 6, + 9 + ], + // 000100 + [ + 6, + 8 + ], + // 000101 + [ + 5, + 7 + ], + [ + 5, + 7 + ], + // 00011x + [ + 4, + 6 + ], + [ + 4, + 6 + ], + [ + 4, + 6 + ], + [ + 4, + 6 + ], + // 0010xx + [ + 4, + 5 + ], + [ + 4, + 5 + ], + [ + 4, + 5 + ], + [ + 4, + 5 + ], + // 0011xx + [ + 3, + 1 + ], + [ + 3, + 1 + ], + [ + 3, + 1 + ], + [ + 3, + 1 + ], + // 010xxx + [ + 3, + 1 + ], + [ + 3, + 1 + ], + [ + 3, + 1 + ], + [ + 3, + 1 + ], + [ + 3, + 4 + ], + [ + 3, + 4 + ], + [ + 3, + 4 + ], + [ + 3, + 4 + ], + // 011xxx + [ + 3, + 4 + ], + [ + 3, + 4 + ], + [ + 3, + 4 + ], + [ + 3, + 4 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + // 10xxxx + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 3 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + // 11xxxx + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ], + [ + 2, + 2 + ] + ]; + function CCITTFaxStream(str, maybeLength, params) { + this.str = str; + this.dict = str.dict; + params = params || Dict.empty; + this.encoding = params.get('K') || 0; + this.eoline = params.get('EndOfLine') || false; + this.byteAlign = params.get('EncodedByteAlign') || false; + this.columns = params.get('Columns') || 1728; + this.rows = params.get('Rows') || 0; + var eoblock = params.get('EndOfBlock'); + if (eoblock === null || eoblock === undefined) { + eoblock = true; + } + this.eoblock = eoblock; + this.black = params.get('BlackIs1') || false; + this.codingLine = new Uint32Array(this.columns + 1); + this.refLine = new Uint32Array(this.columns + 2); + this.codingLine[0] = this.columns; + this.codingPos = 0; + this.row = 0; + this.nextLine2D = this.encoding < 0; + this.inputBits = 0; + this.inputBuf = 0; + this.outputBits = 0; + var code1; + while ((code1 = this.lookBits(12)) === 0) { + this.eatBits(1); + } + if (code1 === 1) { + this.eatBits(12); + } + if (this.encoding > 0) { + this.nextLine2D = !this.lookBits(1); + this.eatBits(1); + } + DecodeStream.call(this, maybeLength); + } + CCITTFaxStream.prototype = Object.create(DecodeStream.prototype); + CCITTFaxStream.prototype.readBlock = function CCITTFaxStream_readBlock() { + while (!this.eof) { + var c = this.lookChar(); + this.ensureBuffer(this.bufferLength + 1); + this.buffer[this.bufferLength++] = c; + } + }; + CCITTFaxStream.prototype.addPixels = function ccittFaxStreamAddPixels(a1, blackPixels) { + var codingLine = this.codingLine; + var codingPos = this.codingPos; + if (a1 > codingLine[codingPos]) { + if (a1 > this.columns) { + info('row is wrong length'); + this.err = true; + a1 = this.columns; + } + if (codingPos & 1 ^ blackPixels) { + ++codingPos; + } + codingLine[codingPos] = a1; + } + this.codingPos = codingPos; + }; + CCITTFaxStream.prototype.addPixelsNeg = function ccittFaxStreamAddPixelsNeg(a1, blackPixels) { + var codingLine = this.codingLine; + var codingPos = this.codingPos; + if (a1 > codingLine[codingPos]) { + if (a1 > this.columns) { + info('row is wrong length'); + this.err = true; + a1 = this.columns; + } + if (codingPos & 1 ^ blackPixels) { + ++codingPos; + } + codingLine[codingPos] = a1; + } else if (a1 < codingLine[codingPos]) { + if (a1 < 0) { + info('invalid code'); + this.err = true; + a1 = 0; + } + while (codingPos > 0 && a1 < codingLine[codingPos - 1]) { + --codingPos; + } + codingLine[codingPos] = a1; + } + this.codingPos = codingPos; + }; + CCITTFaxStream.prototype.lookChar = function CCITTFaxStream_lookChar() { + var refLine = this.refLine; + var codingLine = this.codingLine; + var columns = this.columns; + var refPos, blackPixels, bits, i; + if (this.outputBits === 0) { + if (this.eof) { + return null; + } + this.err = false; + var code1, code2, code3; + if (this.nextLine2D) { + for (i = 0; codingLine[i] < columns; ++i) { + refLine[i] = codingLine[i]; + } + refLine[i++] = columns; + refLine[i] = columns; + codingLine[0] = 0; + this.codingPos = 0; + refPos = 0; + blackPixels = 0; + while (codingLine[this.codingPos] < columns) { + code1 = this.getTwoDimCode(); + switch (code1) { + case twoDimPass: + this.addPixels(refLine[refPos + 1], blackPixels); + if (refLine[refPos + 1] < columns) { + refPos += 2; + } + break; + case twoDimHoriz: + code1 = code2 = 0; + if (blackPixels) { + do { + code1 += code3 = this.getBlackCode(); + } while (code3 >= 64); + do { + code2 += code3 = this.getWhiteCode(); + } while (code3 >= 64); + } else { + do { + code1 += code3 = this.getWhiteCode(); + } while (code3 >= 64); + do { + code2 += code3 = this.getBlackCode(); + } while (code3 >= 64); + } + this.addPixels(codingLine[this.codingPos] + code1, blackPixels); + if (codingLine[this.codingPos] < columns) { + this.addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1); + } + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + break; + case twoDimVertR3: + this.addPixels(refLine[refPos] + 3, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertR2: + this.addPixels(refLine[refPos] + 2, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertR1: + this.addPixels(refLine[refPos] + 1, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVert0: + this.addPixels(refLine[refPos], blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL3: + this.addPixelsNeg(refLine[refPos] - 3, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL2: + this.addPixelsNeg(refLine[refPos] - 2, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL1: + this.addPixelsNeg(refLine[refPos] - 1, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case ccittEOF: + this.addPixels(columns, 0); + this.eof = true; + break; + default: + info('bad 2d code'); + this.addPixels(columns, 0); + this.err = true; + } + } + } else { + codingLine[0] = 0; + this.codingPos = 0; + blackPixels = 0; + while (codingLine[this.codingPos] < columns) { + code1 = 0; + if (blackPixels) { + do { + code1 += code3 = this.getBlackCode(); + } while (code3 >= 64); + } else { + do { + code1 += code3 = this.getWhiteCode(); + } while (code3 >= 64); + } + this.addPixels(codingLine[this.codingPos] + code1, blackPixels); + blackPixels ^= 1; + } + } + var gotEOL = false; + if (this.byteAlign) { + this.inputBits &= ~7; + } + if (!this.eoblock && this.row === this.rows - 1) { + this.eof = true; + } else { + code1 = this.lookBits(12); + if (this.eoline) { + while (code1 !== ccittEOF && code1 !== 1) { + this.eatBits(1); + code1 = this.lookBits(12); + } + } else { + while (code1 === 0) { + this.eatBits(1); + code1 = this.lookBits(12); + } + } + if (code1 === 1) { + this.eatBits(12); + gotEOL = true; + } else if (code1 === ccittEOF) { + this.eof = true; + } + } + if (!this.eof && this.encoding > 0) { + this.nextLine2D = !this.lookBits(1); + this.eatBits(1); + } + if (this.eoblock && gotEOL && this.byteAlign) { + code1 = this.lookBits(12); + if (code1 === 1) { + this.eatBits(12); + if (this.encoding > 0) { + this.lookBits(1); + this.eatBits(1); + } + if (this.encoding >= 0) { + for (i = 0; i < 4; ++i) { + code1 = this.lookBits(12); + if (code1 !== 1) { + info('bad rtc code: ' + code1); + } + this.eatBits(12); + if (this.encoding > 0) { + this.lookBits(1); + this.eatBits(1); + } + } + } + this.eof = true; + } + } else if (this.err && this.eoline) { + while (true) { + code1 = this.lookBits(13); + if (code1 === ccittEOF) { + this.eof = true; + return null; + } + if (code1 >> 1 === 1) { + break; + } + this.eatBits(1); + } + this.eatBits(12); + if (this.encoding > 0) { + this.eatBits(1); + this.nextLine2D = !(code1 & 1); + } + } + if (codingLine[0] > 0) { + this.outputBits = codingLine[this.codingPos = 0]; + } else { + this.outputBits = codingLine[this.codingPos = 1]; + } + this.row++; + } + var c; + if (this.outputBits >= 8) { + c = this.codingPos & 1 ? 0 : 0xFF; + this.outputBits -= 8; + if (this.outputBits === 0 && codingLine[this.codingPos] < columns) { + this.codingPos++; + this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1]; + } + } else { + bits = 8; + c = 0; + do { + if (this.outputBits > bits) { + c <<= bits; + if (!(this.codingPos & 1)) { + c |= 0xFF >> 8 - bits; + } + this.outputBits -= bits; + bits = 0; + } else { + c <<= this.outputBits; + if (!(this.codingPos & 1)) { + c |= 0xFF >> 8 - this.outputBits; + } + bits -= this.outputBits; + this.outputBits = 0; + if (codingLine[this.codingPos] < columns) { + this.codingPos++; + this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1]; + } else if (bits > 0) { + c <<= bits; + bits = 0; + } + } + } while (bits); + } + if (this.black) { + c ^= 0xFF; + } + return c; + }; + // This functions returns the code found from the table. + // The start and end parameters set the boundaries for searching the table. + // The limit parameter is optional. Function returns an array with three + // values. The first array element indicates whether a valid code is being + // returned. The second array element is the actual code. The third array + // element indicates whether EOF was reached. + CCITTFaxStream.prototype.findTableCode = function ccittFaxStreamFindTableCode(start, end, table, limit) { + var limitValue = limit || 0; + for (var i = start; i <= end; ++i) { + var code = this.lookBits(i); + if (code === ccittEOF) { + return [ + true, + 1, + false + ]; + } + if (i < end) { + code <<= end - i; + } + if (!limitValue || code >= limitValue) { + var p = table[code - limitValue]; + if (p[0] === i) { + this.eatBits(i); + return [ + true, + p[1], + true + ]; + } + } + } + return [ + false, + 0, + false + ]; + }; + CCITTFaxStream.prototype.getTwoDimCode = function ccittFaxStreamGetTwoDimCode() { + var code = 0; + var p; + if (this.eoblock) { + code = this.lookBits(7); + p = twoDimTable[code]; + if (p && p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(1, 7, twoDimTable); + if (result[0] && result[2]) { + return result[1]; + } + } + info('Bad two dim code'); + return ccittEOF; + }; + CCITTFaxStream.prototype.getWhiteCode = function ccittFaxStreamGetWhiteCode() { + var code = 0; + var p; + if (this.eoblock) { + code = this.lookBits(12); + if (code === ccittEOF) { + return 1; + } + if (code >> 5 === 0) { + p = whiteTable1[code]; + } else { + p = whiteTable2[code >> 3]; + } + if (p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(1, 9, whiteTable2); + if (result[0]) { + return result[1]; + } + result = this.findTableCode(11, 12, whiteTable1); + if (result[0]) { + return result[1]; + } + } + info('bad white code'); + this.eatBits(1); + return 1; + }; + CCITTFaxStream.prototype.getBlackCode = function ccittFaxStreamGetBlackCode() { + var code, p; + if (this.eoblock) { + code = this.lookBits(13); + if (code === ccittEOF) { + return 1; + } + if (code >> 7 === 0) { + p = blackTable1[code]; + } else if (code >> 9 === 0 && code >> 7 !== 0) { + p = blackTable2[(code >> 1) - 64]; + } else { + p = blackTable3[code >> 7]; + } + if (p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(2, 6, blackTable3); + if (result[0]) { + return result[1]; + } + result = this.findTableCode(7, 12, blackTable2, 64); + if (result[0]) { + return result[1]; + } + result = this.findTableCode(10, 13, blackTable1); + if (result[0]) { + return result[1]; + } + } + info('bad black code'); + this.eatBits(1); + return 1; + }; + CCITTFaxStream.prototype.lookBits = function CCITTFaxStream_lookBits(n) { + var c; + while (this.inputBits < n) { + if ((c = this.str.getByte()) === -1) { + if (this.inputBits === 0) { + return ccittEOF; + } + return this.inputBuf << n - this.inputBits & 0xFFFF >> 16 - n; + } + this.inputBuf = this.inputBuf << 8 | c; + this.inputBits += 8; + } + return this.inputBuf >> this.inputBits - n & 0xFFFF >> 16 - n; + }; + CCITTFaxStream.prototype.eatBits = function CCITTFaxStream_eatBits(n) { + if ((this.inputBits -= n) < 0) { + this.inputBits = 0; + } + }; + return CCITTFaxStream; + }(); + var LZWStream = function LZWStreamClosure() { + function LZWStream(str, maybeLength, earlyChange) { + this.str = str; + this.dict = str.dict; + this.cachedData = 0; + this.bitsCached = 0; + var maxLzwDictionarySize = 4096; + var lzwState = { + earlyChange: earlyChange, + codeLength: 9, + nextCode: 258, + dictionaryValues: new Uint8Array(maxLzwDictionarySize), + dictionaryLengths: new Uint16Array(maxLzwDictionarySize), + dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize), + currentSequence: new Uint8Array(maxLzwDictionarySize), + currentSequenceLength: 0 + }; + for (var i = 0; i < 256; ++i) { + lzwState.dictionaryValues[i] = i; + lzwState.dictionaryLengths[i] = 1; + } + this.lzwState = lzwState; + DecodeStream.call(this, maybeLength); + } + LZWStream.prototype = Object.create(DecodeStream.prototype); + LZWStream.prototype.readBits = function LZWStream_readBits(n) { + var bitsCached = this.bitsCached; + var cachedData = this.cachedData; + while (bitsCached < n) { + var c = this.str.getByte(); + if (c === -1) { + this.eof = true; + return null; + } + cachedData = cachedData << 8 | c; + bitsCached += 8; + } + this.bitsCached = bitsCached -= n; + this.cachedData = cachedData; + this.lastCode = null; + return cachedData >>> bitsCached & (1 << n) - 1; + }; + LZWStream.prototype.readBlock = function LZWStream_readBlock() { + var blockSize = 512; + var estimatedDecodedSize = blockSize * 2, decodedSizeDelta = blockSize; + var i, j, q; + var lzwState = this.lzwState; + if (!lzwState) { + return; + } + // eof was found + var earlyChange = lzwState.earlyChange; + var nextCode = lzwState.nextCode; + var dictionaryValues = lzwState.dictionaryValues; + var dictionaryLengths = lzwState.dictionaryLengths; + var dictionaryPrevCodes = lzwState.dictionaryPrevCodes; + var codeLength = lzwState.codeLength; + var prevCode = lzwState.prevCode; + var currentSequence = lzwState.currentSequence; + var currentSequenceLength = lzwState.currentSequenceLength; + var decodedLength = 0; + var currentBufferLength = this.bufferLength; + var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize); + for (i = 0; i < blockSize; i++) { + var code = this.readBits(codeLength); + var hasPrev = currentSequenceLength > 0; + if (code < 256) { + currentSequence[0] = code; + currentSequenceLength = 1; + } else if (code >= 258) { + if (code < nextCode) { + currentSequenceLength = dictionaryLengths[code]; + for (j = currentSequenceLength - 1, q = code; j >= 0; j--) { + currentSequence[j] = dictionaryValues[q]; + q = dictionaryPrevCodes[q]; + } + } else { + currentSequence[currentSequenceLength++] = currentSequence[0]; + } + } else if (code === 256) { + codeLength = 9; + nextCode = 258; + currentSequenceLength = 0; + continue; + } else { + this.eof = true; + delete this.lzwState; + break; + } + if (hasPrev) { + dictionaryPrevCodes[nextCode] = prevCode; + dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1; + dictionaryValues[nextCode] = currentSequence[0]; + nextCode++; + codeLength = nextCode + earlyChange & nextCode + earlyChange - 1 ? codeLength : Math.min(Math.log(nextCode + earlyChange) / 0.6931471805599453 + 1, 12) | 0; + } + prevCode = code; + decodedLength += currentSequenceLength; + if (estimatedDecodedSize < decodedLength) { + do { + estimatedDecodedSize += decodedSizeDelta; + } while (estimatedDecodedSize < decodedLength); + buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize); + } + for (j = 0; j < currentSequenceLength; j++) { + buffer[currentBufferLength++] = currentSequence[j]; + } + } + lzwState.nextCode = nextCode; + lzwState.codeLength = codeLength; + lzwState.prevCode = prevCode; + lzwState.currentSequenceLength = currentSequenceLength; + this.bufferLength = currentBufferLength; + }; + return LZWStream; + }(); + var NullStream = function NullStreamClosure() { + function NullStream() { + Stream.call(this, new Uint8Array(0)); + } + NullStream.prototype = Stream.prototype; + return NullStream; + }(); + exports.Ascii85Stream = Ascii85Stream; + exports.AsciiHexStream = AsciiHexStream; + exports.CCITTFaxStream = CCITTFaxStream; + exports.DecryptStream = DecryptStream; + exports.DecodeStream = DecodeStream; + exports.FlateStream = FlateStream; + exports.Jbig2Stream = Jbig2Stream; + exports.JpegStream = JpegStream; + exports.JpxStream = JpxStream; + exports.NullStream = NullStream; + exports.PredictorStream = PredictorStream; + exports.RunLengthStream = RunLengthStream; + exports.Stream = Stream; + exports.StreamsSequenceStream = StreamsSequenceStream; + exports.StringStream = StringStream; + exports.LZWStream = LZWStream; + })); + (function (root, factory) { + factory(root.pdfjsCoreCrypto = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream); + }(this, function (exports, sharedUtil, corePrimitives, coreStream) { + var PasswordException = sharedUtil.PasswordException; + var PasswordResponses = sharedUtil.PasswordResponses; + var bytesToString = sharedUtil.bytesToString; + var warn = sharedUtil.warn; + var error = sharedUtil.error; + var assert = sharedUtil.assert; + var isInt = sharedUtil.isInt; + var stringToBytes = sharedUtil.stringToBytes; + var utf8StringToString = sharedUtil.utf8StringToString; + var Name = corePrimitives.Name; + var isName = corePrimitives.isName; + var isDict = corePrimitives.isDict; + var DecryptStream = coreStream.DecryptStream; + var ARCFourCipher = function ARCFourCipherClosure() { + function ARCFourCipher(key) { + this.a = 0; + this.b = 0; + var s = new Uint8Array(256); + var i, j = 0, tmp, keyLength = key.length; + for (i = 0; i < 256; ++i) { + s[i] = i; + } + for (i = 0; i < 256; ++i) { + tmp = s[i]; + j = j + tmp + key[i % keyLength] & 0xFF; + s[i] = s[j]; + s[j] = tmp; + } + this.s = s; + } + ARCFourCipher.prototype = { + encryptBlock: function ARCFourCipher_encryptBlock(data) { + var i, n = data.length, tmp, tmp2; + var a = this.a, b = this.b, s = this.s; + var output = new Uint8Array(n); + for (i = 0; i < n; ++i) { + a = a + 1 & 0xFF; + tmp = s[a]; + b = b + tmp & 0xFF; + tmp2 = s[b]; + s[a] = tmp2; + s[b] = tmp; + output[i] = data[i] ^ s[tmp + tmp2 & 0xFF]; + } + this.a = a; + this.b = b; + return output; + } + }; + ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock; + return ARCFourCipher; + }(); + var calculateMD5 = function calculateMD5Closure() { + var r = new Uint8Array([ + 7, + 12, + 17, + 22, + 7, + 12, + 17, + 22, + 7, + 12, + 17, + 22, + 7, + 12, + 17, + 22, + 5, + 9, + 14, + 20, + 5, + 9, + 14, + 20, + 5, + 9, + 14, + 20, + 5, + 9, + 14, + 20, + 4, + 11, + 16, + 23, + 4, + 11, + 16, + 23, + 4, + 11, + 16, + 23, + 4, + 11, + 16, + 23, + 6, + 10, + 15, + 21, + 6, + 10, + 15, + 21, + 6, + 10, + 15, + 21, + 6, + 10, + 15, + 21 + ]); + var k = new Int32Array([ + -680876936, + -389564586, + 606105819, + -1044525330, + -176418897, + 1200080426, + -1473231341, + -45705983, + 1770035416, + -1958414417, + -42063, + -1990404162, + 1804603682, + -40341101, + -1502002290, + 1236535329, + -165796510, + -1069501632, + 643717713, + -373897302, + -701558691, + 38016083, + -660478335, + -405537848, + 568446438, + -1019803690, + -187363961, + 1163531501, + -1444681467, + -51403784, + 1735328473, + -1926607734, + -378558, + -2022574463, + 1839030562, + -35309556, + -1530992060, + 1272893353, + -155497632, + -1094730640, + 681279174, + -358537222, + -722521979, + 76029189, + -640364487, + -421815835, + 530742520, + -995338651, + -198630844, + 1126891415, + -1416354905, + -57434055, + 1700485571, + -1894986606, + -1051523, + -2054922799, + 1873313359, + -30611744, + -1560198380, + 1309151649, + -145523070, + -1120210379, + 718787259, + -343485551 + ]); + function hash(data, offset, length) { + var h0 = 1732584193, h1 = -271733879, h2 = -1732584194, h3 = 271733878; + // pre-processing + var paddedLength = length + 72 & ~63; + // data + 9 extra bytes + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = length << 3 & 0xFF; + padded[i++] = length >> 5 & 0xFF; + padded[i++] = length >> 13 & 0xFF; + padded[i++] = length >> 21 & 0xFF; + padded[i++] = length >>> 29 & 0xFF; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + var w = new Int32Array(16); + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j, i += 4) { + w[j] = padded[i] | padded[i + 1] << 8 | padded[i + 2] << 16 | padded[i + 3] << 24; + } + var a = h0, b = h1, c = h2, d = h3, f, g; + for (j = 0; j < 64; ++j) { + if (j < 16) { + f = b & c | ~b & d; + g = j; + } else if (j < 32) { + f = d & b | ~d & c; + g = 5 * j + 1 & 15; + } else if (j < 48) { + f = b ^ c ^ d; + g = 3 * j + 5 & 15; + } else { + f = c ^ (b | ~d); + g = 7 * j & 15; + } + var tmp = d, rotateArg = a + f + k[j] + w[g] | 0, rotate = r[j]; + d = c; + c = b; + b = b + (rotateArg << rotate | rotateArg >>> 32 - rotate) | 0; + a = tmp; + } + h0 = h0 + a | 0; + h1 = h1 + b | 0; + h2 = h2 + c | 0; + h3 = h3 + d | 0; + } + return new Uint8Array([ + h0 & 0xFF, + h0 >> 8 & 0xFF, + h0 >> 16 & 0xFF, + h0 >>> 24 & 0xFF, + h1 & 0xFF, + h1 >> 8 & 0xFF, + h1 >> 16 & 0xFF, + h1 >>> 24 & 0xFF, + h2 & 0xFF, + h2 >> 8 & 0xFF, + h2 >> 16 & 0xFF, + h2 >>> 24 & 0xFF, + h3 & 0xFF, + h3 >> 8 & 0xFF, + h3 >> 16 & 0xFF, + h3 >>> 24 & 0xFF + ]); + } + return hash; + }(); + var Word64 = function Word64Closure() { + function Word64(highInteger, lowInteger) { + this.high = highInteger | 0; + this.low = lowInteger | 0; + } + Word64.prototype = { + and: function Word64_and(word) { + this.high &= word.high; + this.low &= word.low; + }, + xor: function Word64_xor(word) { + this.high ^= word.high; + this.low ^= word.low; + }, + or: function Word64_or(word) { + this.high |= word.high; + this.low |= word.low; + }, + shiftRight: function Word64_shiftRight(places) { + if (places >= 32) { + this.low = this.high >>> places - 32 | 0; + this.high = 0; + } else { + this.low = this.low >>> places | this.high << 32 - places; + this.high = this.high >>> places | 0; + } + }, + shiftLeft: function Word64_shiftLeft(places) { + if (places >= 32) { + this.high = this.low << places - 32; + this.low = 0; + } else { + this.high = this.high << places | this.low >>> 32 - places; + this.low = this.low << places; + } + }, + rotateRight: function Word64_rotateRight(places) { + var low, high; + if (places & 32) { + high = this.low; + low = this.high; + } else { + low = this.low; + high = this.high; + } + places &= 31; + this.low = low >>> places | high << 32 - places; + this.high = high >>> places | low << 32 - places; + }, + not: function Word64_not() { + this.high = ~this.high; + this.low = ~this.low; + }, + add: function Word64_add(word) { + var lowAdd = (this.low >>> 0) + (word.low >>> 0); + var highAdd = (this.high >>> 0) + (word.high >>> 0); + if (lowAdd > 0xFFFFFFFF) { + highAdd += 1; + } + this.low = lowAdd | 0; + this.high = highAdd | 0; + }, + copyTo: function Word64_copyTo(bytes, offset) { + bytes[offset] = this.high >>> 24 & 0xFF; + bytes[offset + 1] = this.high >> 16 & 0xFF; + bytes[offset + 2] = this.high >> 8 & 0xFF; + bytes[offset + 3] = this.high & 0xFF; + bytes[offset + 4] = this.low >>> 24 & 0xFF; + bytes[offset + 5] = this.low >> 16 & 0xFF; + bytes[offset + 6] = this.low >> 8 & 0xFF; + bytes[offset + 7] = this.low & 0xFF; + }, + assign: function Word64_assign(word) { + this.high = word.high; + this.low = word.low; + } + }; + return Word64; + }(); + var calculateSHA256 = function calculateSHA256Closure() { + function rotr(x, n) { + return x >>> n | x << 32 - n; + } + function ch(x, y, z) { + return x & y ^ ~x & z; + } + function maj(x, y, z) { + return x & y ^ x & z ^ y & z; + } + function sigma(x) { + return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22); + } + function sigmaPrime(x) { + return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25); + } + function littleSigma(x) { + return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3; + } + function littleSigmaPrime(x) { + return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10; + } + var k = [ + 0x428a2f98, + 0x71374491, + 0xb5c0fbcf, + 0xe9b5dba5, + 0x3956c25b, + 0x59f111f1, + 0x923f82a4, + 0xab1c5ed5, + 0xd807aa98, + 0x12835b01, + 0x243185be, + 0x550c7dc3, + 0x72be5d74, + 0x80deb1fe, + 0x9bdc06a7, + 0xc19bf174, + 0xe49b69c1, + 0xefbe4786, + 0x0fc19dc6, + 0x240ca1cc, + 0x2de92c6f, + 0x4a7484aa, + 0x5cb0a9dc, + 0x76f988da, + 0x983e5152, + 0xa831c66d, + 0xb00327c8, + 0xbf597fc7, + 0xc6e00bf3, + 0xd5a79147, + 0x06ca6351, + 0x14292967, + 0x27b70a85, + 0x2e1b2138, + 0x4d2c6dfc, + 0x53380d13, + 0x650a7354, + 0x766a0abb, + 0x81c2c92e, + 0x92722c85, + 0xa2bfe8a1, + 0xa81a664b, + 0xc24b8b70, + 0xc76c51a3, + 0xd192e819, + 0xd6990624, + 0xf40e3585, + 0x106aa070, + 0x19a4c116, + 0x1e376c08, + 0x2748774c, + 0x34b0bcb5, + 0x391c0cb3, + 0x4ed8aa4a, + 0x5b9cca4f, + 0x682e6ff3, + 0x748f82ee, + 0x78a5636f, + 0x84c87814, + 0x8cc70208, + 0x90befffa, + 0xa4506ceb, + 0xbef9a3f7, + 0xc67178f2 + ]; + function hash(data, offset, length) { + // initial hash values + var h0 = 0x6a09e667, h1 = 0xbb67ae85, h2 = 0x3c6ef372, h3 = 0xa54ff53a, h4 = 0x510e527f, h5 = 0x9b05688c, h6 = 0x1f83d9ab, h7 = 0x5be0cd19; + // pre-processing + var paddedLength = Math.ceil((length + 9) / 64) * 64; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = length >>> 29 & 0xFF; + padded[i++] = length >> 21 & 0xFF; + padded[i++] = length >> 13 & 0xFF; + padded[i++] = length >> 5 & 0xFF; + padded[i++] = length << 3 & 0xFF; + var w = new Uint32Array(64); + // for each 512 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j] = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3]; + i += 4; + } + for (j = 16; j < 64; ++j) { + w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + littleSigma(w[j - 15]) + w[j - 16] | 0; + } + var a = h0, b = h1, c = h2, d = h3, e = h4, f = h5, g = h6, h = h7, t1, t2; + for (j = 0; j < 64; ++j) { + t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j]; + t2 = sigma(a) + maj(a, b, c); + h = g; + g = f; + f = e; + e = d + t1 | 0; + d = c; + c = b; + b = a; + a = t1 + t2 | 0; + } + h0 = h0 + a | 0; + h1 = h1 + b | 0; + h2 = h2 + c | 0; + h3 = h3 + d | 0; + h4 = h4 + e | 0; + h5 = h5 + f | 0; + h6 = h6 + g | 0; + h7 = h7 + h | 0; + } + return new Uint8Array([ + h0 >> 24 & 0xFF, + h0 >> 16 & 0xFF, + h0 >> 8 & 0xFF, + h0 & 0xFF, + h1 >> 24 & 0xFF, + h1 >> 16 & 0xFF, + h1 >> 8 & 0xFF, + h1 & 0xFF, + h2 >> 24 & 0xFF, + h2 >> 16 & 0xFF, + h2 >> 8 & 0xFF, + h2 & 0xFF, + h3 >> 24 & 0xFF, + h3 >> 16 & 0xFF, + h3 >> 8 & 0xFF, + h3 & 0xFF, + h4 >> 24 & 0xFF, + h4 >> 16 & 0xFF, + h4 >> 8 & 0xFF, + h4 & 0xFF, + h5 >> 24 & 0xFF, + h5 >> 16 & 0xFF, + h5 >> 8 & 0xFF, + h5 & 0xFF, + h6 >> 24 & 0xFF, + h6 >> 16 & 0xFF, + h6 >> 8 & 0xFF, + h6 & 0xFF, + h7 >> 24 & 0xFF, + h7 >> 16 & 0xFF, + h7 >> 8 & 0xFF, + h7 & 0xFF + ]); + } + return hash; + }(); + var calculateSHA512 = function calculateSHA512Closure() { + function ch(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.not(); + tmp.and(z); + result.xor(tmp); + } + function maj(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.and(z); + result.xor(tmp); + tmp.assign(y); + tmp.and(z); + result.xor(tmp); + } + function sigma(result, x, tmp) { + result.assign(x); + result.rotateRight(28); + tmp.assign(x); + tmp.rotateRight(34); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(39); + result.xor(tmp); + } + function sigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(14); + tmp.assign(x); + tmp.rotateRight(18); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(41); + result.xor(tmp); + } + function littleSigma(result, x, tmp) { + result.assign(x); + result.rotateRight(1); + tmp.assign(x); + tmp.rotateRight(8); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(7); + result.xor(tmp); + } + function littleSigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(19); + tmp.assign(x); + tmp.rotateRight(61); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(6); + result.xor(tmp); + } + var k = [ + new Word64(0x428a2f98, 0xd728ae22), + new Word64(0x71374491, 0x23ef65cd), + new Word64(0xb5c0fbcf, 0xec4d3b2f), + new Word64(0xe9b5dba5, 0x8189dbbc), + new Word64(0x3956c25b, 0xf348b538), + new Word64(0x59f111f1, 0xb605d019), + new Word64(0x923f82a4, 0xaf194f9b), + new Word64(0xab1c5ed5, 0xda6d8118), + new Word64(0xd807aa98, 0xa3030242), + new Word64(0x12835b01, 0x45706fbe), + new Word64(0x243185be, 0x4ee4b28c), + new Word64(0x550c7dc3, 0xd5ffb4e2), + new Word64(0x72be5d74, 0xf27b896f), + new Word64(0x80deb1fe, 0x3b1696b1), + new Word64(0x9bdc06a7, 0x25c71235), + new Word64(0xc19bf174, 0xcf692694), + new Word64(0xe49b69c1, 0x9ef14ad2), + new Word64(0xefbe4786, 0x384f25e3), + new Word64(0x0fc19dc6, 0x8b8cd5b5), + new Word64(0x240ca1cc, 0x77ac9c65), + new Word64(0x2de92c6f, 0x592b0275), + new Word64(0x4a7484aa, 0x6ea6e483), + new Word64(0x5cb0a9dc, 0xbd41fbd4), + new Word64(0x76f988da, 0x831153b5), + new Word64(0x983e5152, 0xee66dfab), + new Word64(0xa831c66d, 0x2db43210), + new Word64(0xb00327c8, 0x98fb213f), + new Word64(0xbf597fc7, 0xbeef0ee4), + new Word64(0xc6e00bf3, 0x3da88fc2), + new Word64(0xd5a79147, 0x930aa725), + new Word64(0x06ca6351, 0xe003826f), + new Word64(0x14292967, 0x0a0e6e70), + new Word64(0x27b70a85, 0x46d22ffc), + new Word64(0x2e1b2138, 0x5c26c926), + new Word64(0x4d2c6dfc, 0x5ac42aed), + new Word64(0x53380d13, 0x9d95b3df), + new Word64(0x650a7354, 0x8baf63de), + new Word64(0x766a0abb, 0x3c77b2a8), + new Word64(0x81c2c92e, 0x47edaee6), + new Word64(0x92722c85, 0x1482353b), + new Word64(0xa2bfe8a1, 0x4cf10364), + new Word64(0xa81a664b, 0xbc423001), + new Word64(0xc24b8b70, 0xd0f89791), + new Word64(0xc76c51a3, 0x0654be30), + new Word64(0xd192e819, 0xd6ef5218), + new Word64(0xd6990624, 0x5565a910), + new Word64(0xf40e3585, 0x5771202a), + new Word64(0x106aa070, 0x32bbd1b8), + new Word64(0x19a4c116, 0xb8d2d0c8), + new Word64(0x1e376c08, 0x5141ab53), + new Word64(0x2748774c, 0xdf8eeb99), + new Word64(0x34b0bcb5, 0xe19b48a8), + new Word64(0x391c0cb3, 0xc5c95a63), + new Word64(0x4ed8aa4a, 0xe3418acb), + new Word64(0x5b9cca4f, 0x7763e373), + new Word64(0x682e6ff3, 0xd6b2b8a3), + new Word64(0x748f82ee, 0x5defb2fc), + new Word64(0x78a5636f, 0x43172f60), + new Word64(0x84c87814, 0xa1f0ab72), + new Word64(0x8cc70208, 0x1a6439ec), + new Word64(0x90befffa, 0x23631e28), + new Word64(0xa4506ceb, 0xde82bde9), + new Word64(0xbef9a3f7, 0xb2c67915), + new Word64(0xc67178f2, 0xe372532b), + new Word64(0xca273ece, 0xea26619c), + new Word64(0xd186b8c7, 0x21c0c207), + new Word64(0xeada7dd6, 0xcde0eb1e), + new Word64(0xf57d4f7f, 0xee6ed178), + new Word64(0x06f067aa, 0x72176fba), + new Word64(0x0a637dc5, 0xa2c898a6), + new Word64(0x113f9804, 0xbef90dae), + new Word64(0x1b710b35, 0x131c471b), + new Word64(0x28db77f5, 0x23047d84), + new Word64(0x32caab7b, 0x40c72493), + new Word64(0x3c9ebe0a, 0x15c9bebc), + new Word64(0x431d67c4, 0x9c100d4c), + new Word64(0x4cc5d4be, 0xcb3e42b6), + new Word64(0x597f299c, 0xfc657e2a), + new Word64(0x5fcb6fab, 0x3ad6faec), + new Word64(0x6c44198c, 0x4a475817) + ]; + function hash(data, offset, length, mode384) { + mode384 = !!mode384; + // initial hash values + var h0, h1, h2, h3, h4, h5, h6, h7; + if (!mode384) { + h0 = new Word64(0x6a09e667, 0xf3bcc908); + h1 = new Word64(0xbb67ae85, 0x84caa73b); + h2 = new Word64(0x3c6ef372, 0xfe94f82b); + h3 = new Word64(0xa54ff53a, 0x5f1d36f1); + h4 = new Word64(0x510e527f, 0xade682d1); + h5 = new Word64(0x9b05688c, 0x2b3e6c1f); + h6 = new Word64(0x1f83d9ab, 0xfb41bd6b); + h7 = new Word64(0x5be0cd19, 0x137e2179); + } else { + // SHA384 is exactly the same + // except with different starting values and a trimmed result + h0 = new Word64(0xcbbb9d5d, 0xc1059ed8); + h1 = new Word64(0x629a292a, 0x367cd507); + h2 = new Word64(0x9159015a, 0x3070dd17); + h3 = new Word64(0x152fecd8, 0xf70e5939); + h4 = new Word64(0x67332667, 0xffc00b31); + h5 = new Word64(0x8eb44a87, 0x68581511); + h6 = new Word64(0xdb0c2e0d, 0x64f98fa7); + h7 = new Word64(0x47b5481d, 0xbefa4fa4); + } + // pre-processing + var paddedLength = Math.ceil((length + 17) / 128) * 128; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 16; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = length >>> 29 & 0xFF; + padded[i++] = length >> 21 & 0xFF; + padded[i++] = length >> 13 & 0xFF; + padded[i++] = length >> 5 & 0xFF; + padded[i++] = length << 3 & 0xFF; + var w = new Array(80); + for (i = 0; i < 80; i++) { + w[i] = new Word64(0, 0); + } + var a = new Word64(0, 0), b = new Word64(0, 0), c = new Word64(0, 0); + var d = new Word64(0, 0), e = new Word64(0, 0), f = new Word64(0, 0); + var g = new Word64(0, 0), h = new Word64(0, 0); + var t1 = new Word64(0, 0), t2 = new Word64(0, 0); + var tmp1 = new Word64(0, 0), tmp2 = new Word64(0, 0), tmp3; + // for each 1024 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j].high = padded[i] << 24 | padded[i + 1] << 16 | padded[i + 2] << 8 | padded[i + 3]; + w[j].low = padded[i + 4] << 24 | padded[i + 5] << 16 | padded[i + 6] << 8 | padded[i + 7]; + i += 8; + } + for (j = 16; j < 80; ++j) { + tmp3 = w[j]; + littleSigmaPrime(tmp3, w[j - 2], tmp2); + tmp3.add(w[j - 7]); + littleSigma(tmp1, w[j - 15], tmp2); + tmp3.add(tmp1); + tmp3.add(w[j - 16]); + } + a.assign(h0); + b.assign(h1); + c.assign(h2); + d.assign(h3); + e.assign(h4); + f.assign(h5); + g.assign(h6); + h.assign(h7); + for (j = 0; j < 80; ++j) { + t1.assign(h); + sigmaPrime(tmp1, e, tmp2); + t1.add(tmp1); + ch(tmp1, e, f, g, tmp2); + t1.add(tmp1); + t1.add(k[j]); + t1.add(w[j]); + sigma(t2, a, tmp2); + maj(tmp1, a, b, c, tmp2); + t2.add(tmp1); + tmp3 = h; + h = g; + g = f; + f = e; + d.add(t1); + e = d; + d = c; + c = b; + b = a; + tmp3.assign(t1); + tmp3.add(t2); + a = tmp3; + } + h0.add(a); + h1.add(b); + h2.add(c); + h3.add(d); + h4.add(e); + h5.add(f); + h6.add(g); + h7.add(h); + } + var result; + if (!mode384) { + result = new Uint8Array(64); + h0.copyTo(result, 0); + h1.copyTo(result, 8); + h2.copyTo(result, 16); + h3.copyTo(result, 24); + h4.copyTo(result, 32); + h5.copyTo(result, 40); + h6.copyTo(result, 48); + h7.copyTo(result, 56); + } else { + result = new Uint8Array(48); + h0.copyTo(result, 0); + h1.copyTo(result, 8); + h2.copyTo(result, 16); + h3.copyTo(result, 24); + h4.copyTo(result, 32); + h5.copyTo(result, 40); + } + return result; + } + return hash; + }(); + var calculateSHA384 = function calculateSHA384Closure() { + function hash(data, offset, length) { + return calculateSHA512(data, offset, length, true); + } + return hash; + }(); + var NullCipher = function NullCipherClosure() { + function NullCipher() { + } + NullCipher.prototype = { + decryptBlock: function NullCipher_decryptBlock(data) { + return data; + } + }; + return NullCipher; + }(); + var AES128Cipher = function AES128CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d + ]); + var s = new Uint8Array([ + 0x63, + 0x7c, + 0x77, + 0x7b, + 0xf2, + 0x6b, + 0x6f, + 0xc5, + 0x30, + 0x01, + 0x67, + 0x2b, + 0xfe, + 0xd7, + 0xab, + 0x76, + 0xca, + 0x82, + 0xc9, + 0x7d, + 0xfa, + 0x59, + 0x47, + 0xf0, + 0xad, + 0xd4, + 0xa2, + 0xaf, + 0x9c, + 0xa4, + 0x72, + 0xc0, + 0xb7, + 0xfd, + 0x93, + 0x26, + 0x36, + 0x3f, + 0xf7, + 0xcc, + 0x34, + 0xa5, + 0xe5, + 0xf1, + 0x71, + 0xd8, + 0x31, + 0x15, + 0x04, + 0xc7, + 0x23, + 0xc3, + 0x18, + 0x96, + 0x05, + 0x9a, + 0x07, + 0x12, + 0x80, + 0xe2, + 0xeb, + 0x27, + 0xb2, + 0x75, + 0x09, + 0x83, + 0x2c, + 0x1a, + 0x1b, + 0x6e, + 0x5a, + 0xa0, + 0x52, + 0x3b, + 0xd6, + 0xb3, + 0x29, + 0xe3, + 0x2f, + 0x84, + 0x53, + 0xd1, + 0x00, + 0xed, + 0x20, + 0xfc, + 0xb1, + 0x5b, + 0x6a, + 0xcb, + 0xbe, + 0x39, + 0x4a, + 0x4c, + 0x58, + 0xcf, + 0xd0, + 0xef, + 0xaa, + 0xfb, + 0x43, + 0x4d, + 0x33, + 0x85, + 0x45, + 0xf9, + 0x02, + 0x7f, + 0x50, + 0x3c, + 0x9f, + 0xa8, + 0x51, + 0xa3, + 0x40, + 0x8f, + 0x92, + 0x9d, + 0x38, + 0xf5, + 0xbc, + 0xb6, + 0xda, + 0x21, + 0x10, + 0xff, + 0xf3, + 0xd2, + 0xcd, + 0x0c, + 0x13, + 0xec, + 0x5f, + 0x97, + 0x44, + 0x17, + 0xc4, + 0xa7, + 0x7e, + 0x3d, + 0x64, + 0x5d, + 0x19, + 0x73, + 0x60, + 0x81, + 0x4f, + 0xdc, + 0x22, + 0x2a, + 0x90, + 0x88, + 0x46, + 0xee, + 0xb8, + 0x14, + 0xde, + 0x5e, + 0x0b, + 0xdb, + 0xe0, + 0x32, + 0x3a, + 0x0a, + 0x49, + 0x06, + 0x24, + 0x5c, + 0xc2, + 0xd3, + 0xac, + 0x62, + 0x91, + 0x95, + 0xe4, + 0x79, + 0xe7, + 0xc8, + 0x37, + 0x6d, + 0x8d, + 0xd5, + 0x4e, + 0xa9, + 0x6c, + 0x56, + 0xf4, + 0xea, + 0x65, + 0x7a, + 0xae, + 0x08, + 0xba, + 0x78, + 0x25, + 0x2e, + 0x1c, + 0xa6, + 0xb4, + 0xc6, + 0xe8, + 0xdd, + 0x74, + 0x1f, + 0x4b, + 0xbd, + 0x8b, + 0x8a, + 0x70, + 0x3e, + 0xb5, + 0x66, + 0x48, + 0x03, + 0xf6, + 0x0e, + 0x61, + 0x35, + 0x57, + 0xb9, + 0x86, + 0xc1, + 0x1d, + 0x9e, + 0xe1, + 0xf8, + 0x98, + 0x11, + 0x69, + 0xd9, + 0x8e, + 0x94, + 0x9b, + 0x1e, + 0x87, + 0xe9, + 0xce, + 0x55, + 0x28, + 0xdf, + 0x8c, + 0xa1, + 0x89, + 0x0d, + 0xbf, + 0xe6, + 0x42, + 0x68, + 0x41, + 0x99, + 0x2d, + 0x0f, + 0xb0, + 0x54, + 0xbb, + 0x16 + ]); + var inv_s = new Uint8Array([ + 0x52, + 0x09, + 0x6a, + 0xd5, + 0x30, + 0x36, + 0xa5, + 0x38, + 0xbf, + 0x40, + 0xa3, + 0x9e, + 0x81, + 0xf3, + 0xd7, + 0xfb, + 0x7c, + 0xe3, + 0x39, + 0x82, + 0x9b, + 0x2f, + 0xff, + 0x87, + 0x34, + 0x8e, + 0x43, + 0x44, + 0xc4, + 0xde, + 0xe9, + 0xcb, + 0x54, + 0x7b, + 0x94, + 0x32, + 0xa6, + 0xc2, + 0x23, + 0x3d, + 0xee, + 0x4c, + 0x95, + 0x0b, + 0x42, + 0xfa, + 0xc3, + 0x4e, + 0x08, + 0x2e, + 0xa1, + 0x66, + 0x28, + 0xd9, + 0x24, + 0xb2, + 0x76, + 0x5b, + 0xa2, + 0x49, + 0x6d, + 0x8b, + 0xd1, + 0x25, + 0x72, + 0xf8, + 0xf6, + 0x64, + 0x86, + 0x68, + 0x98, + 0x16, + 0xd4, + 0xa4, + 0x5c, + 0xcc, + 0x5d, + 0x65, + 0xb6, + 0x92, + 0x6c, + 0x70, + 0x48, + 0x50, + 0xfd, + 0xed, + 0xb9, + 0xda, + 0x5e, + 0x15, + 0x46, + 0x57, + 0xa7, + 0x8d, + 0x9d, + 0x84, + 0x90, + 0xd8, + 0xab, + 0x00, + 0x8c, + 0xbc, + 0xd3, + 0x0a, + 0xf7, + 0xe4, + 0x58, + 0x05, + 0xb8, + 0xb3, + 0x45, + 0x06, + 0xd0, + 0x2c, + 0x1e, + 0x8f, + 0xca, + 0x3f, + 0x0f, + 0x02, + 0xc1, + 0xaf, + 0xbd, + 0x03, + 0x01, + 0x13, + 0x8a, + 0x6b, + 0x3a, + 0x91, + 0x11, + 0x41, + 0x4f, + 0x67, + 0xdc, + 0xea, + 0x97, + 0xf2, + 0xcf, + 0xce, + 0xf0, + 0xb4, + 0xe6, + 0x73, + 0x96, + 0xac, + 0x74, + 0x22, + 0xe7, + 0xad, + 0x35, + 0x85, + 0xe2, + 0xf9, + 0x37, + 0xe8, + 0x1c, + 0x75, + 0xdf, + 0x6e, + 0x47, + 0xf1, + 0x1a, + 0x71, + 0x1d, + 0x29, + 0xc5, + 0x89, + 0x6f, + 0xb7, + 0x62, + 0x0e, + 0xaa, + 0x18, + 0xbe, + 0x1b, + 0xfc, + 0x56, + 0x3e, + 0x4b, + 0xc6, + 0xd2, + 0x79, + 0x20, + 0x9a, + 0xdb, + 0xc0, + 0xfe, + 0x78, + 0xcd, + 0x5a, + 0xf4, + 0x1f, + 0xdd, + 0xa8, + 0x33, + 0x88, + 0x07, + 0xc7, + 0x31, + 0xb1, + 0x12, + 0x10, + 0x59, + 0x27, + 0x80, + 0xec, + 0x5f, + 0x60, + 0x51, + 0x7f, + 0xa9, + 0x19, + 0xb5, + 0x4a, + 0x0d, + 0x2d, + 0xe5, + 0x7a, + 0x9f, + 0x93, + 0xc9, + 0x9c, + 0xef, + 0xa0, + 0xe0, + 0x3b, + 0x4d, + 0xae, + 0x2a, + 0xf5, + 0xb0, + 0xc8, + 0xeb, + 0xbb, + 0x3c, + 0x83, + 0x53, + 0x99, + 0x61, + 0x17, + 0x2b, + 0x04, + 0x7e, + 0xba, + 0x77, + 0xd6, + 0x26, + 0xe1, + 0x69, + 0x14, + 0x63, + 0x55, + 0x21, + 0x0c, + 0x7d + ]); + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = i << 1 ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, + 0x0e090d0b, + 0x1c121a16, + 0x121b171d, + 0x3824342c, + 0x362d3927, + 0x24362e3a, + 0x2a3f2331, + 0x70486858, + 0x7e416553, + 0x6c5a724e, + 0x62537f45, + 0x486c5c74, + 0x4665517f, + 0x547e4662, + 0x5a774b69, + 0xe090d0b0, + 0xee99ddbb, + 0xfc82caa6, + 0xf28bc7ad, + 0xd8b4e49c, + 0xd6bde997, + 0xc4a6fe8a, + 0xcaaff381, + 0x90d8b8e8, + 0x9ed1b5e3, + 0x8ccaa2fe, + 0x82c3aff5, + 0xa8fc8cc4, + 0xa6f581cf, + 0xb4ee96d2, + 0xbae79bd9, + 0xdb3bbb7b, + 0xd532b670, + 0xc729a16d, + 0xc920ac66, + 0xe31f8f57, + 0xed16825c, + 0xff0d9541, + 0xf104984a, + 0xab73d323, + 0xa57ade28, + 0xb761c935, + 0xb968c43e, + 0x9357e70f, + 0x9d5eea04, + 0x8f45fd19, + 0x814cf012, + 0x3bab6bcb, + 0x35a266c0, + 0x27b971dd, + 0x29b07cd6, + 0x038f5fe7, + 0x0d8652ec, + 0x1f9d45f1, + 0x119448fa, + 0x4be30393, + 0x45ea0e98, + 0x57f11985, + 0x59f8148e, + 0x73c737bf, + 0x7dce3ab4, + 0x6fd52da9, + 0x61dc20a2, + 0xad766df6, + 0xa37f60fd, + 0xb16477e0, + 0xbf6d7aeb, + 0x955259da, + 0x9b5b54d1, + 0x894043cc, + 0x87494ec7, + 0xdd3e05ae, + 0xd33708a5, + 0xc12c1fb8, + 0xcf2512b3, + 0xe51a3182, + 0xeb133c89, + 0xf9082b94, + 0xf701269f, + 0x4de6bd46, + 0x43efb04d, + 0x51f4a750, + 0x5ffdaa5b, + 0x75c2896a, + 0x7bcb8461, + 0x69d0937c, + 0x67d99e77, + 0x3daed51e, + 0x33a7d815, + 0x21bccf08, + 0x2fb5c203, + 0x058ae132, + 0x0b83ec39, + 0x1998fb24, + 0x1791f62f, + 0x764dd68d, + 0x7844db86, + 0x6a5fcc9b, + 0x6456c190, + 0x4e69e2a1, + 0x4060efaa, + 0x527bf8b7, + 0x5c72f5bc, + 0x0605bed5, + 0x080cb3de, + 0x1a17a4c3, + 0x141ea9c8, + 0x3e218af9, + 0x302887f2, + 0x223390ef, + 0x2c3a9de4, + 0x96dd063d, + 0x98d40b36, + 0x8acf1c2b, + 0x84c61120, + 0xaef93211, + 0xa0f03f1a, + 0xb2eb2807, + 0xbce2250c, + 0xe6956e65, + 0xe89c636e, + 0xfa877473, + 0xf48e7978, + 0xdeb15a49, + 0xd0b85742, + 0xc2a3405f, + 0xccaa4d54, + 0x41ecdaf7, + 0x4fe5d7fc, + 0x5dfec0e1, + 0x53f7cdea, + 0x79c8eedb, + 0x77c1e3d0, + 0x65daf4cd, + 0x6bd3f9c6, + 0x31a4b2af, + 0x3fadbfa4, + 0x2db6a8b9, + 0x23bfa5b2, + 0x09808683, + 0x07898b88, + 0x15929c95, + 0x1b9b919e, + 0xa17c0a47, + 0xaf75074c, + 0xbd6e1051, + 0xb3671d5a, + 0x99583e6b, + 0x97513360, + 0x854a247d, + 0x8b432976, + 0xd134621f, + 0xdf3d6f14, + 0xcd267809, + 0xc32f7502, + 0xe9105633, + 0xe7195b38, + 0xf5024c25, + 0xfb0b412e, + 0x9ad7618c, + 0x94de6c87, + 0x86c57b9a, + 0x88cc7691, + 0xa2f355a0, + 0xacfa58ab, + 0xbee14fb6, + 0xb0e842bd, + 0xea9f09d4, + 0xe49604df, + 0xf68d13c2, + 0xf8841ec9, + 0xd2bb3df8, + 0xdcb230f3, + 0xcea927ee, + 0xc0a02ae5, + 0x7a47b13c, + 0x744ebc37, + 0x6655ab2a, + 0x685ca621, + 0x42638510, + 0x4c6a881b, + 0x5e719f06, + 0x5078920d, + 0x0a0fd964, + 0x0406d46f, + 0x161dc372, + 0x1814ce79, + 0x322bed48, + 0x3c22e043, + 0x2e39f75e, + 0x2030fa55, + 0xec9ab701, + 0xe293ba0a, + 0xf088ad17, + 0xfe81a01c, + 0xd4be832d, + 0xdab78e26, + 0xc8ac993b, + 0xc6a59430, + 0x9cd2df59, + 0x92dbd252, + 0x80c0c54f, + 0x8ec9c844, + 0xa4f6eb75, + 0xaaffe67e, + 0xb8e4f163, + 0xb6edfc68, + 0x0c0a67b1, + 0x02036aba, + 0x10187da7, + 0x1e1170ac, + 0x342e539d, + 0x3a275e96, + 0x283c498b, + 0x26354480, + 0x7c420fe9, + 0x724b02e2, + 0x605015ff, + 0x6e5918f4, + 0x44663bc5, + 0x4a6f36ce, + 0x587421d3, + 0x567d2cd8, + 0x37a10c7a, + 0x39a80171, + 0x2bb3166c, + 0x25ba1b67, + 0x0f853856, + 0x018c355d, + 0x13972240, + 0x1d9e2f4b, + 0x47e96422, + 0x49e06929, + 0x5bfb7e34, + 0x55f2733f, + 0x7fcd500e, + 0x71c45d05, + 0x63df4a18, + 0x6dd64713, + 0xd731dcca, + 0xd938d1c1, + 0xcb23c6dc, + 0xc52acbd7, + 0xef15e8e6, + 0xe11ce5ed, + 0xf307f2f0, + 0xfd0efffb, + 0xa779b492, + 0xa970b999, + 0xbb6bae84, + 0xb562a38f, + 0x9f5d80be, + 0x91548db5, + 0x834f9aa8, + 0x8d4697a3 + ]); + function expandKey128(cipherKey) { + var b = 176, result = new Uint8Array(b); + result.set(cipherKey); + for (var j = 16, i = 1; j < b; ++i) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ rcon[i]; + for (var n = 0; n < 4; ++n) { + result[j] = t1 ^= result[j - 16]; + j++; + result[j] = t2 ^= result[j - 16]; + j++; + result[j] = t3 ^= result[j - 16]; + j++; + result[j] = t4 ^= result[j - 16]; + j++; + } + } + return result; + } + function decrypt128(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 9; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = s0 ^ s1 >>> 8 ^ s1 << 24 ^ s2 >>> 16 ^ s2 << 16 ^ s3 >>> 24 ^ s3 << 8; + state[j] = t >>> 24 & 0xFF; + state[j + 1] = t >> 16 & 0xFF; + state[j + 2] = t >> 8 & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + function encrypt128(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + for (i = 1; i < 10; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + return state; + } + function AES128Cipher(key) { + this.key = expandKey128(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, buffer = this.buffer, bufferLength = this.bufferPosition, result = [], iv = this.iv; + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt128(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + AES128Cipher.prototype = { + decryptBlock: function AES128Cipher_decryptBlock(data, finalize) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // waiting for IV values -- they are at the start of the stream + for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + // need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data.subarray(16), finalize); + }, + encrypt: function AES128Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, buffer = this.buffer, bufferLength = this.bufferPosition, result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + // buffer is full, encrypting + var cipher = encrypt128(buffer, this.key); + iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + return AES128Cipher; + }(); + var AES256Cipher = function AES256CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d, + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, + 0x5e, + 0xbc, + 0x63, + 0xc6, + 0x97, + 0x35, + 0x6a, + 0xd4, + 0xb3, + 0x7d, + 0xfa, + 0xef, + 0xc5, + 0x91, + 0x39, + 0x72, + 0xe4, + 0xd3, + 0xbd, + 0x61, + 0xc2, + 0x9f, + 0x25, + 0x4a, + 0x94, + 0x33, + 0x66, + 0xcc, + 0x83, + 0x1d, + 0x3a, + 0x74, + 0xe8, + 0xcb, + 0x8d + ]); + var s = new Uint8Array([ + 0x63, + 0x7c, + 0x77, + 0x7b, + 0xf2, + 0x6b, + 0x6f, + 0xc5, + 0x30, + 0x01, + 0x67, + 0x2b, + 0xfe, + 0xd7, + 0xab, + 0x76, + 0xca, + 0x82, + 0xc9, + 0x7d, + 0xfa, + 0x59, + 0x47, + 0xf0, + 0xad, + 0xd4, + 0xa2, + 0xaf, + 0x9c, + 0xa4, + 0x72, + 0xc0, + 0xb7, + 0xfd, + 0x93, + 0x26, + 0x36, + 0x3f, + 0xf7, + 0xcc, + 0x34, + 0xa5, + 0xe5, + 0xf1, + 0x71, + 0xd8, + 0x31, + 0x15, + 0x04, + 0xc7, + 0x23, + 0xc3, + 0x18, + 0x96, + 0x05, + 0x9a, + 0x07, + 0x12, + 0x80, + 0xe2, + 0xeb, + 0x27, + 0xb2, + 0x75, + 0x09, + 0x83, + 0x2c, + 0x1a, + 0x1b, + 0x6e, + 0x5a, + 0xa0, + 0x52, + 0x3b, + 0xd6, + 0xb3, + 0x29, + 0xe3, + 0x2f, + 0x84, + 0x53, + 0xd1, + 0x00, + 0xed, + 0x20, + 0xfc, + 0xb1, + 0x5b, + 0x6a, + 0xcb, + 0xbe, + 0x39, + 0x4a, + 0x4c, + 0x58, + 0xcf, + 0xd0, + 0xef, + 0xaa, + 0xfb, + 0x43, + 0x4d, + 0x33, + 0x85, + 0x45, + 0xf9, + 0x02, + 0x7f, + 0x50, + 0x3c, + 0x9f, + 0xa8, + 0x51, + 0xa3, + 0x40, + 0x8f, + 0x92, + 0x9d, + 0x38, + 0xf5, + 0xbc, + 0xb6, + 0xda, + 0x21, + 0x10, + 0xff, + 0xf3, + 0xd2, + 0xcd, + 0x0c, + 0x13, + 0xec, + 0x5f, + 0x97, + 0x44, + 0x17, + 0xc4, + 0xa7, + 0x7e, + 0x3d, + 0x64, + 0x5d, + 0x19, + 0x73, + 0x60, + 0x81, + 0x4f, + 0xdc, + 0x22, + 0x2a, + 0x90, + 0x88, + 0x46, + 0xee, + 0xb8, + 0x14, + 0xde, + 0x5e, + 0x0b, + 0xdb, + 0xe0, + 0x32, + 0x3a, + 0x0a, + 0x49, + 0x06, + 0x24, + 0x5c, + 0xc2, + 0xd3, + 0xac, + 0x62, + 0x91, + 0x95, + 0xe4, + 0x79, + 0xe7, + 0xc8, + 0x37, + 0x6d, + 0x8d, + 0xd5, + 0x4e, + 0xa9, + 0x6c, + 0x56, + 0xf4, + 0xea, + 0x65, + 0x7a, + 0xae, + 0x08, + 0xba, + 0x78, + 0x25, + 0x2e, + 0x1c, + 0xa6, + 0xb4, + 0xc6, + 0xe8, + 0xdd, + 0x74, + 0x1f, + 0x4b, + 0xbd, + 0x8b, + 0x8a, + 0x70, + 0x3e, + 0xb5, + 0x66, + 0x48, + 0x03, + 0xf6, + 0x0e, + 0x61, + 0x35, + 0x57, + 0xb9, + 0x86, + 0xc1, + 0x1d, + 0x9e, + 0xe1, + 0xf8, + 0x98, + 0x11, + 0x69, + 0xd9, + 0x8e, + 0x94, + 0x9b, + 0x1e, + 0x87, + 0xe9, + 0xce, + 0x55, + 0x28, + 0xdf, + 0x8c, + 0xa1, + 0x89, + 0x0d, + 0xbf, + 0xe6, + 0x42, + 0x68, + 0x41, + 0x99, + 0x2d, + 0x0f, + 0xb0, + 0x54, + 0xbb, + 0x16 + ]); + var inv_s = new Uint8Array([ + 0x52, + 0x09, + 0x6a, + 0xd5, + 0x30, + 0x36, + 0xa5, + 0x38, + 0xbf, + 0x40, + 0xa3, + 0x9e, + 0x81, + 0xf3, + 0xd7, + 0xfb, + 0x7c, + 0xe3, + 0x39, + 0x82, + 0x9b, + 0x2f, + 0xff, + 0x87, + 0x34, + 0x8e, + 0x43, + 0x44, + 0xc4, + 0xde, + 0xe9, + 0xcb, + 0x54, + 0x7b, + 0x94, + 0x32, + 0xa6, + 0xc2, + 0x23, + 0x3d, + 0xee, + 0x4c, + 0x95, + 0x0b, + 0x42, + 0xfa, + 0xc3, + 0x4e, + 0x08, + 0x2e, + 0xa1, + 0x66, + 0x28, + 0xd9, + 0x24, + 0xb2, + 0x76, + 0x5b, + 0xa2, + 0x49, + 0x6d, + 0x8b, + 0xd1, + 0x25, + 0x72, + 0xf8, + 0xf6, + 0x64, + 0x86, + 0x68, + 0x98, + 0x16, + 0xd4, + 0xa4, + 0x5c, + 0xcc, + 0x5d, + 0x65, + 0xb6, + 0x92, + 0x6c, + 0x70, + 0x48, + 0x50, + 0xfd, + 0xed, + 0xb9, + 0xda, + 0x5e, + 0x15, + 0x46, + 0x57, + 0xa7, + 0x8d, + 0x9d, + 0x84, + 0x90, + 0xd8, + 0xab, + 0x00, + 0x8c, + 0xbc, + 0xd3, + 0x0a, + 0xf7, + 0xe4, + 0x58, + 0x05, + 0xb8, + 0xb3, + 0x45, + 0x06, + 0xd0, + 0x2c, + 0x1e, + 0x8f, + 0xca, + 0x3f, + 0x0f, + 0x02, + 0xc1, + 0xaf, + 0xbd, + 0x03, + 0x01, + 0x13, + 0x8a, + 0x6b, + 0x3a, + 0x91, + 0x11, + 0x41, + 0x4f, + 0x67, + 0xdc, + 0xea, + 0x97, + 0xf2, + 0xcf, + 0xce, + 0xf0, + 0xb4, + 0xe6, + 0x73, + 0x96, + 0xac, + 0x74, + 0x22, + 0xe7, + 0xad, + 0x35, + 0x85, + 0xe2, + 0xf9, + 0x37, + 0xe8, + 0x1c, + 0x75, + 0xdf, + 0x6e, + 0x47, + 0xf1, + 0x1a, + 0x71, + 0x1d, + 0x29, + 0xc5, + 0x89, + 0x6f, + 0xb7, + 0x62, + 0x0e, + 0xaa, + 0x18, + 0xbe, + 0x1b, + 0xfc, + 0x56, + 0x3e, + 0x4b, + 0xc6, + 0xd2, + 0x79, + 0x20, + 0x9a, + 0xdb, + 0xc0, + 0xfe, + 0x78, + 0xcd, + 0x5a, + 0xf4, + 0x1f, + 0xdd, + 0xa8, + 0x33, + 0x88, + 0x07, + 0xc7, + 0x31, + 0xb1, + 0x12, + 0x10, + 0x59, + 0x27, + 0x80, + 0xec, + 0x5f, + 0x60, + 0x51, + 0x7f, + 0xa9, + 0x19, + 0xb5, + 0x4a, + 0x0d, + 0x2d, + 0xe5, + 0x7a, + 0x9f, + 0x93, + 0xc9, + 0x9c, + 0xef, + 0xa0, + 0xe0, + 0x3b, + 0x4d, + 0xae, + 0x2a, + 0xf5, + 0xb0, + 0xc8, + 0xeb, + 0xbb, + 0x3c, + 0x83, + 0x53, + 0x99, + 0x61, + 0x17, + 0x2b, + 0x04, + 0x7e, + 0xba, + 0x77, + 0xd6, + 0x26, + 0xe1, + 0x69, + 0x14, + 0x63, + 0x55, + 0x21, + 0x0c, + 0x7d + ]); + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = i << 1 ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, + 0x0e090d0b, + 0x1c121a16, + 0x121b171d, + 0x3824342c, + 0x362d3927, + 0x24362e3a, + 0x2a3f2331, + 0x70486858, + 0x7e416553, + 0x6c5a724e, + 0x62537f45, + 0x486c5c74, + 0x4665517f, + 0x547e4662, + 0x5a774b69, + 0xe090d0b0, + 0xee99ddbb, + 0xfc82caa6, + 0xf28bc7ad, + 0xd8b4e49c, + 0xd6bde997, + 0xc4a6fe8a, + 0xcaaff381, + 0x90d8b8e8, + 0x9ed1b5e3, + 0x8ccaa2fe, + 0x82c3aff5, + 0xa8fc8cc4, + 0xa6f581cf, + 0xb4ee96d2, + 0xbae79bd9, + 0xdb3bbb7b, + 0xd532b670, + 0xc729a16d, + 0xc920ac66, + 0xe31f8f57, + 0xed16825c, + 0xff0d9541, + 0xf104984a, + 0xab73d323, + 0xa57ade28, + 0xb761c935, + 0xb968c43e, + 0x9357e70f, + 0x9d5eea04, + 0x8f45fd19, + 0x814cf012, + 0x3bab6bcb, + 0x35a266c0, + 0x27b971dd, + 0x29b07cd6, + 0x038f5fe7, + 0x0d8652ec, + 0x1f9d45f1, + 0x119448fa, + 0x4be30393, + 0x45ea0e98, + 0x57f11985, + 0x59f8148e, + 0x73c737bf, + 0x7dce3ab4, + 0x6fd52da9, + 0x61dc20a2, + 0xad766df6, + 0xa37f60fd, + 0xb16477e0, + 0xbf6d7aeb, + 0x955259da, + 0x9b5b54d1, + 0x894043cc, + 0x87494ec7, + 0xdd3e05ae, + 0xd33708a5, + 0xc12c1fb8, + 0xcf2512b3, + 0xe51a3182, + 0xeb133c89, + 0xf9082b94, + 0xf701269f, + 0x4de6bd46, + 0x43efb04d, + 0x51f4a750, + 0x5ffdaa5b, + 0x75c2896a, + 0x7bcb8461, + 0x69d0937c, + 0x67d99e77, + 0x3daed51e, + 0x33a7d815, + 0x21bccf08, + 0x2fb5c203, + 0x058ae132, + 0x0b83ec39, + 0x1998fb24, + 0x1791f62f, + 0x764dd68d, + 0x7844db86, + 0x6a5fcc9b, + 0x6456c190, + 0x4e69e2a1, + 0x4060efaa, + 0x527bf8b7, + 0x5c72f5bc, + 0x0605bed5, + 0x080cb3de, + 0x1a17a4c3, + 0x141ea9c8, + 0x3e218af9, + 0x302887f2, + 0x223390ef, + 0x2c3a9de4, + 0x96dd063d, + 0x98d40b36, + 0x8acf1c2b, + 0x84c61120, + 0xaef93211, + 0xa0f03f1a, + 0xb2eb2807, + 0xbce2250c, + 0xe6956e65, + 0xe89c636e, + 0xfa877473, + 0xf48e7978, + 0xdeb15a49, + 0xd0b85742, + 0xc2a3405f, + 0xccaa4d54, + 0x41ecdaf7, + 0x4fe5d7fc, + 0x5dfec0e1, + 0x53f7cdea, + 0x79c8eedb, + 0x77c1e3d0, + 0x65daf4cd, + 0x6bd3f9c6, + 0x31a4b2af, + 0x3fadbfa4, + 0x2db6a8b9, + 0x23bfa5b2, + 0x09808683, + 0x07898b88, + 0x15929c95, + 0x1b9b919e, + 0xa17c0a47, + 0xaf75074c, + 0xbd6e1051, + 0xb3671d5a, + 0x99583e6b, + 0x97513360, + 0x854a247d, + 0x8b432976, + 0xd134621f, + 0xdf3d6f14, + 0xcd267809, + 0xc32f7502, + 0xe9105633, + 0xe7195b38, + 0xf5024c25, + 0xfb0b412e, + 0x9ad7618c, + 0x94de6c87, + 0x86c57b9a, + 0x88cc7691, + 0xa2f355a0, + 0xacfa58ab, + 0xbee14fb6, + 0xb0e842bd, + 0xea9f09d4, + 0xe49604df, + 0xf68d13c2, + 0xf8841ec9, + 0xd2bb3df8, + 0xdcb230f3, + 0xcea927ee, + 0xc0a02ae5, + 0x7a47b13c, + 0x744ebc37, + 0x6655ab2a, + 0x685ca621, + 0x42638510, + 0x4c6a881b, + 0x5e719f06, + 0x5078920d, + 0x0a0fd964, + 0x0406d46f, + 0x161dc372, + 0x1814ce79, + 0x322bed48, + 0x3c22e043, + 0x2e39f75e, + 0x2030fa55, + 0xec9ab701, + 0xe293ba0a, + 0xf088ad17, + 0xfe81a01c, + 0xd4be832d, + 0xdab78e26, + 0xc8ac993b, + 0xc6a59430, + 0x9cd2df59, + 0x92dbd252, + 0x80c0c54f, + 0x8ec9c844, + 0xa4f6eb75, + 0xaaffe67e, + 0xb8e4f163, + 0xb6edfc68, + 0x0c0a67b1, + 0x02036aba, + 0x10187da7, + 0x1e1170ac, + 0x342e539d, + 0x3a275e96, + 0x283c498b, + 0x26354480, + 0x7c420fe9, + 0x724b02e2, + 0x605015ff, + 0x6e5918f4, + 0x44663bc5, + 0x4a6f36ce, + 0x587421d3, + 0x567d2cd8, + 0x37a10c7a, + 0x39a80171, + 0x2bb3166c, + 0x25ba1b67, + 0x0f853856, + 0x018c355d, + 0x13972240, + 0x1d9e2f4b, + 0x47e96422, + 0x49e06929, + 0x5bfb7e34, + 0x55f2733f, + 0x7fcd500e, + 0x71c45d05, + 0x63df4a18, + 0x6dd64713, + 0xd731dcca, + 0xd938d1c1, + 0xcb23c6dc, + 0xc52acbd7, + 0xef15e8e6, + 0xe11ce5ed, + 0xf307f2f0, + 0xfd0efffb, + 0xa779b492, + 0xa970b999, + 0xbb6bae84, + 0xb562a38f, + 0x9f5d80be, + 0x91548db5, + 0x834f9aa8, + 0x8d4697a3 + ]); + function expandKey256(cipherKey) { + var b = 240, result = new Uint8Array(b); + var r = 1; + result.set(cipherKey); + for (var j = 32, i = 1; j < b; ++i) { + if (j % 32 === 16) { + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + } else if (j % 32 === 0) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ r; + if ((r <<= 1) >= 256) { + r = (r ^ 0x1b) & 0xFF; + } + } + for (var n = 0; n < 4; ++n) { + result[j] = t1 ^= result[j - 32]; + j++; + result[j] = t2 ^= result[j - 32]; + j++; + result[j] = t3 ^= result[j - 32]; + j++; + result[j] = t4 ^= result[j - 32]; + j++; + } + } + return result; + } + function decrypt256(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 13; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = s0 ^ s1 >>> 8 ^ s1 << 24 ^ s2 >>> 16 ^ s2 << 16 ^ s3 >>> 24 ^ s3 << 8; + state[j] = t >>> 24 & 0xFF; + state[j + 1] = t >> 16 & 0xFF; + state[j + 2] = t >> 8 & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + function encrypt256(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + for (i = 1; i < 14; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + return state; + } + function AES256Cipher(key) { + this.key = expandKey256(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, buffer = this.buffer, bufferLength = this.bufferPosition, result = [], iv = this.iv; + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt256(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + AES256Cipher.prototype = { + decryptBlock: function AES256Cipher_decryptBlock(data, finalize, iv) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // if not supplied an IV wait for IV values + // they are at the start of the stream + if (iv) { + this.iv = iv; + } else { + for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + //need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + data = data.subarray(16); + } + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data, finalize); + }, + encrypt: function AES256Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, buffer = this.buffer, bufferLength = this.bufferPosition, result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + // buffer is full, encrypting + var cipher = encrypt256(buffer, this.key); + this.iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + return AES256Cipher; + }(); + var PDF17 = function PDF17Closure() { + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + function PDF17() { + } + PDF17.prototype = { + checkOwnerPassword: function PDF17_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF17_checkUserPassword(password, userValidationSalt, userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16)); + }, + getUserKey: function PDF17_getUserKey(password, userKeySalt, userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, false, new Uint8Array(16)); + } + }; + return PDF17; + }(); + var PDF20 = function PDF20Closure() { + function concatArrays(array1, array2) { + var t = new Uint8Array(array1.length + array2.length); + t.set(array1, 0); + t.set(array2, array1.length); + return t; + } + function calculatePDF20Hash(password, input, userBytes) { + //This refers to Algorithm 2.B as defined in ISO 32000-2 + var k = calculateSHA256(input, 0, input.length).subarray(0, 32); + var e = [0]; + var i = 0; + while (i < 64 || e[e.length - 1] > i - 32) { + var arrayLength = password.length + k.length + userBytes.length; + var k1 = new Uint8Array(arrayLength * 64); + var array = concatArrays(password, k); + array = concatArrays(array, userBytes); + for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) { + k1.set(array, pos); + } + //AES128 CBC NO PADDING with + //first 16 bytes of k as the key and the second 16 as the iv. + var cipher = new AES128Cipher(k.subarray(0, 16)); + e = cipher.encrypt(k1, k.subarray(16, 32)); + //Now we have to take the first 16 bytes of an unsigned + //big endian integer... and compute the remainder + //modulo 3.... That is a fairly large number and + //JavaScript isn't going to handle that well... + //So we're using a trick that allows us to perform + //modulo math byte by byte + var remainder = 0; + for (var z = 0; z < 16; z++) { + remainder *= 256 % 3; + remainder %= 3; + remainder += (e[z] >>> 0) % 3; + remainder %= 3; + } + if (remainder === 0) { + k = calculateSHA256(e, 0, e.length); + } else if (remainder === 1) { + k = calculateSHA384(e, 0, e.length); + } else if (remainder === 2) { + k = calculateSHA512(e, 0, e.length); + } + i++; + } + return k.subarray(0, 32); + } + function PDF20() { + } + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + PDF20.prototype = { + hash: function PDF20_hash(password, concatBytes, userBytes) { + return calculatePDF20Hash(password, concatBytes, userBytes); + }, + checkOwnerPassword: function PDF20_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculatePDF20Hash(password, hashData, userBytes); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF20_checkUserPassword(password, userValidationSalt, userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculatePDF20Hash(password, hashData, []); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculatePDF20Hash(password, hashData, userBytes); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16)); + }, + getUserKey: function PDF20_getUserKey(password, userKeySalt, userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculatePDF20Hash(password, hashData, []); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, false, new Uint8Array(16)); + } + }; + return PDF20; + }(); + var CipherTransform = function CipherTransformClosure() { + function CipherTransform(stringCipherConstructor, streamCipherConstructor) { + this.stringCipherConstructor = stringCipherConstructor; + this.streamCipherConstructor = streamCipherConstructor; + } + CipherTransform.prototype = { + createStream: function CipherTransform_createStream(stream, length) { + var cipher = new this.streamCipherConstructor(); + return new DecryptStream(stream, length, function cipherTransformDecryptStream(data, finalize) { + return cipher.decryptBlock(data, finalize); + }); + }, + decryptString: function CipherTransform_decryptString(s) { + var cipher = new this.stringCipherConstructor(); + var data = stringToBytes(s); + data = cipher.decryptBlock(data, true); + return bytesToString(data); + } + }; + return CipherTransform; + }(); + var CipherTransformFactory = function CipherTransformFactoryClosure() { + var defaultPasswordBytes = new Uint8Array([ + 0x28, + 0xBF, + 0x4E, + 0x5E, + 0x4E, + 0x75, + 0x8A, + 0x41, + 0x64, + 0x00, + 0x4E, + 0x56, + 0xFF, + 0xFA, + 0x01, + 0x08, + 0x2E, + 0x2E, + 0x00, + 0xB6, + 0xD0, + 0x68, + 0x3E, + 0x80, + 0x2F, + 0x0C, + 0xA9, + 0xFE, + 0x64, + 0x53, + 0x69, + 0x7A + ]); + function createEncryptionKey20(revision, password, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms) { + if (password) { + var passwordLength = Math.min(127, password.length); + password = password.subarray(0, passwordLength); + } else { + password = []; + } + var pdfAlgorithm; + if (revision === 6) { + pdfAlgorithm = new PDF20(); + } else { + pdfAlgorithm = new PDF17(); + } + if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, userPassword)) { + return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption); + } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, ownerValidationSalt, uBytes, ownerPassword)) { + return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, ownerEncryption); + } + return null; + } + function prepareKeyData(fileId, password, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata) { + var hashDataSize = 40 + ownerPassword.length + fileId.length; + var hashData = new Uint8Array(hashDataSize), i = 0, j, n; + if (password) { + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + // as now the padded password in the hashData[0..i] + for (j = 0, n = ownerPassword.length; j < n; ++j) { + hashData[i++] = ownerPassword[j]; + } + hashData[i++] = flags & 0xFF; + hashData[i++] = flags >> 8 & 0xFF; + hashData[i++] = flags >> 16 & 0xFF; + hashData[i++] = flags >>> 24 & 0xFF; + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + if (revision >= 4 && !encryptMetadata) { + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, keyLengthInBytes); + } + } + var encryptionKey = hash.subarray(0, keyLengthInBytes); + var cipher, checkData; + if (revision >= 3) { + for (i = 0; i < 32; ++i) { + hashData[i] = defaultPasswordBytes[i]; + } + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i)); + n = encryptionKey.length; + var derivedKey = new Uint8Array(n), k; + for (j = 1; j <= 19; ++j) { + for (k = 0; k < n; ++k) { + derivedKey[k] = encryptionKey[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + checkData = cipher.encryptBlock(checkData); + } + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } else { + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(defaultPasswordBytes); + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } + return encryptionKey; + } + function decodeUserPassword(password, ownerPassword, revision, keyLength) { + var hashData = new Uint8Array(32), i = 0, j, n; + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, hash.length); + } + } + var cipher, userPassword; + if (revision >= 3) { + userPassword = ownerPassword; + var derivedKey = new Uint8Array(keyLengthInBytes), k; + for (j = 19; j >= 0; j--) { + for (k = 0; k < keyLengthInBytes; ++k) { + derivedKey[k] = hash[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + userPassword = cipher.encryptBlock(userPassword); + } + } else { + cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes)); + userPassword = cipher.encryptBlock(ownerPassword); + } + return userPassword; + } + var identityName = Name.get('Identity'); + function CipherTransformFactory(dict, fileId, password) { + var filter = dict.get('Filter'); + if (!isName(filter, 'Standard')) { + error('unknown encryption method'); + } + this.dict = dict; + var algorithm = dict.get('V'); + if (!isInt(algorithm) || algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && algorithm !== 5) { + error('unsupported encryption algorithm'); + } + this.algorithm = algorithm; + var keyLength = dict.get('Length'); + if (!keyLength) { + // Spec asks to rely on encryption dictionary's Length entry, however + // some PDFs don't have it. Trying to recover. + if (algorithm <= 3) { + // For 1 and 2 it's fixed to 40-bit, for 3 40-bit is a minimal value. + keyLength = 40; + } else { + // Trying to find default handler -- it usually has Length. + var cfDict = dict.get('CF'); + var streamCryptoName = dict.get('StmF'); + if (isDict(cfDict) && isName(streamCryptoName)) { + cfDict.suppressEncryption = true; + // See comment below. + var handlerDict = cfDict.get(streamCryptoName.name); + keyLength = handlerDict && handlerDict.get('Length') || 128; + if (keyLength < 40) { + // Sometimes it's incorrect value of bits, generators specify bytes. + keyLength <<= 3; + } + } + } + } + if (!isInt(keyLength) || keyLength < 40 || keyLength % 8 !== 0) { + error('invalid key length'); + } + // prepare keys + var ownerPassword = stringToBytes(dict.get('O')).subarray(0, 32); + var userPassword = stringToBytes(dict.get('U')).subarray(0, 32); + var flags = dict.get('P'); + var revision = dict.get('R'); + // meaningful when V is 4 or 5 + var encryptMetadata = (algorithm === 4 || algorithm === 5) && dict.get('EncryptMetadata') !== false; + this.encryptMetadata = encryptMetadata; + var fileIdBytes = stringToBytes(fileId); + var passwordBytes; + if (password) { + if (revision === 6) { + try { + password = utf8StringToString(password); + } catch (ex) { + warn('CipherTransformFactory: ' + 'Unable to convert UTF8 encoded password.'); + } + } + passwordBytes = stringToBytes(password); + } + var encryptionKey; + if (algorithm !== 5) { + encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata); + } else { + var ownerValidationSalt = stringToBytes(dict.get('O')).subarray(32, 40); + var ownerKeySalt = stringToBytes(dict.get('O')).subarray(40, 48); + var uBytes = stringToBytes(dict.get('U')).subarray(0, 48); + var userValidationSalt = stringToBytes(dict.get('U')).subarray(32, 40); + var userKeySalt = stringToBytes(dict.get('U')).subarray(40, 48); + var ownerEncryption = stringToBytes(dict.get('OE')); + var userEncryption = stringToBytes(dict.get('UE')); + var perms = stringToBytes(dict.get('Perms')); + encryptionKey = createEncryptionKey20(revision, passwordBytes, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms); + } + if (!encryptionKey && !password) { + throw new PasswordException('No password given', PasswordResponses.NEED_PASSWORD); + } else if (!encryptionKey && password) { + // Attempting use the password as an owner password + var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, revision, keyLength); + encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata); + } + if (!encryptionKey) { + throw new PasswordException('Incorrect Password', PasswordResponses.INCORRECT_PASSWORD); + } + this.encryptionKey = encryptionKey; + if (algorithm >= 4) { + var cf = dict.get('CF'); + if (isDict(cf)) { + // The 'CF' dictionary itself should not be encrypted, and by setting + // `suppressEncryption` we can prevent an infinite loop inside of + // `XRef_fetchUncompressed` if the dictionary contains indirect objects + // (fixes issue7665.pdf). + cf.suppressEncryption = true; + } + this.cf = cf; + this.stmf = dict.get('StmF') || identityName; + this.strf = dict.get('StrF') || identityName; + this.eff = dict.get('EFF') || this.stmf; + } + } + function buildObjectKey(num, gen, encryptionKey, isAes) { + var key = new Uint8Array(encryptionKey.length + 9), i, n; + for (i = 0, n = encryptionKey.length; i < n; ++i) { + key[i] = encryptionKey[i]; + } + key[i++] = num & 0xFF; + key[i++] = num >> 8 & 0xFF; + key[i++] = num >> 16 & 0xFF; + key[i++] = gen & 0xFF; + key[i++] = gen >> 8 & 0xFF; + if (isAes) { + key[i++] = 0x73; + key[i++] = 0x41; + key[i++] = 0x6C; + key[i++] = 0x54; + } + var hash = calculateMD5(key, 0, i); + return hash.subarray(0, Math.min(encryptionKey.length + 5, 16)); + } + function buildCipherConstructor(cf, name, num, gen, key) { + assert(isName(name), 'Invalid crypt filter name.'); + var cryptFilter = cf.get(name.name); + var cfm; + if (cryptFilter !== null && cryptFilter !== undefined) { + cfm = cryptFilter.get('CFM'); + } + if (!cfm || cfm.name === 'None') { + return function cipherTransformFactoryBuildCipherConstructorNone() { + return new NullCipher(); + }; + } + if ('V2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorV2() { + return new ARCFourCipher(buildObjectKey(num, gen, key, false)); + }; + } + if ('AESV2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV2() { + return new AES128Cipher(buildObjectKey(num, gen, key, true)); + }; + } + if ('AESV3' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV3() { + return new AES256Cipher(key); + }; + } + error('Unknown crypto method'); + } + CipherTransformFactory.prototype = { + createCipherTransform: function CipherTransformFactory_createCipherTransform(num, gen) { + if (this.algorithm === 4 || this.algorithm === 5) { + return new CipherTransform(buildCipherConstructor(this.cf, this.stmf, num, gen, this.encryptionKey), buildCipherConstructor(this.cf, this.strf, num, gen, this.encryptionKey)); + } + // algorithms 1 and 2 + var key = buildObjectKey(num, gen, this.encryptionKey, false); + var cipherConstructor = function buildCipherCipherConstructor() { + return new ARCFourCipher(key); + }; + return new CipherTransform(cipherConstructor, cipherConstructor); + } + }; + return CipherTransformFactory; + }(); + exports.AES128Cipher = AES128Cipher; + exports.AES256Cipher = AES256Cipher; + exports.ARCFourCipher = ARCFourCipher; + exports.CipherTransformFactory = CipherTransformFactory; + exports.PDF17 = PDF17; + exports.PDF20 = PDF20; + exports.calculateMD5 = calculateMD5; + exports.calculateSHA256 = calculateSHA256; + exports.calculateSHA384 = calculateSHA384; + exports.calculateSHA512 = calculateSHA512; + })); + (function (root, factory) { + factory(root.pdfjsCoreFontRenderer = {}, root.pdfjsSharedUtil, root.pdfjsCoreStream, root.pdfjsCoreGlyphList, root.pdfjsCoreEncodings, root.pdfjsCoreCFFParser); + }(this, function (exports, sharedUtil, coreStream, coreGlyphList, coreEncodings, coreCFFParser) { + var Util = sharedUtil.Util; + var bytesToString = sharedUtil.bytesToString; + var error = sharedUtil.error; + var Stream = coreStream.Stream; + var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode; + var StandardEncoding = coreEncodings.StandardEncoding; + var CFFParser = coreCFFParser.CFFParser; + var FontRendererFactory = function FontRendererFactoryClosure() { + function getLong(data, offset) { + return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]; + } + function getUshort(data, offset) { + return data[offset] << 8 | data[offset + 1]; + } + function parseCmap(data, start, end) { + var offset = getUshort(data, start + 2) === 1 ? getLong(data, start + 8) : getLong(data, start + 16); + var format = getUshort(data, start + offset); + var length, ranges, p, i; + if (format === 4) { + length = getUshort(data, start + offset + 2); + var segCount = getUshort(data, start + offset + 6) >> 1; + p = start + offset + 14; + ranges = []; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i] = { end: getUshort(data, p) }; + } + p += 2; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].start = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].idDelta = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + var idOffset = getUshort(data, p); + if (idOffset === 0) { + continue; + } + ranges[i].ids = []; + for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) { + ranges[i].ids[j] = getUshort(data, p + idOffset); + idOffset += 2; + } + } + return ranges; + } else if (format === 12) { + length = getLong(data, start + offset + 4); + var groups = getLong(data, start + offset + 12); + p = start + offset + 16; + ranges = []; + for (i = 0; i < groups; i++) { + ranges.push({ + start: getLong(data, p), + end: getLong(data, p + 4), + idDelta: getLong(data, p + 8) - getLong(data, p) + }); + p += 12; + } + return ranges; + } + error('not supported cmap: ' + format); + } + function parseCff(data, start, end, seacAnalysisEnabled) { + var properties = {}; + var parser = new CFFParser(new Stream(data, start, end - start), properties, seacAnalysisEnabled); + var cff = parser.parse(); + return { + glyphs: cff.charStrings.objects, + subrs: cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && cff.topDict.privateDict.subrsIndex.objects, + gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects + }; + } + function parseGlyfTable(glyf, loca, isGlyphLocationsLong) { + var itemSize, itemDecode; + if (isGlyphLocationsLong) { + itemSize = 4; + itemDecode = function fontItemDecodeLong(data, offset) { + return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]; + }; + } else { + itemSize = 2; + itemDecode = function fontItemDecode(data, offset) { + return data[offset] << 9 | data[offset + 1] << 1; + }; + } + var glyphs = []; + var startOffset = itemDecode(loca, 0); + for (var j = itemSize; j < loca.length; j += itemSize) { + var endOffset = itemDecode(loca, j); + glyphs.push(glyf.subarray(startOffset, endOffset)); + startOffset = endOffset; + } + return glyphs; + } + function lookupCmap(ranges, unicode) { + var code = unicode.charCodeAt(0), gid = 0; + var l = 0, r = ranges.length - 1; + while (l < r) { + var c = l + r + 1 >> 1; + if (code < ranges[c].start) { + r = c - 1; + } else { + l = c; + } + } + if (ranges[l].start <= code && code <= ranges[l].end) { + gid = ranges[l].idDelta + (ranges[l].ids ? ranges[l].ids[code - ranges[l].start] : code) & 0xFFFF; + } + return { + charCode: code, + glyphId: gid + }; + } + function compileGlyf(code, cmds, font) { + function moveTo(x, y) { + cmds.push({ + cmd: 'moveTo', + args: [ + x, + y + ] + }); + } + function lineTo(x, y) { + cmds.push({ + cmd: 'lineTo', + args: [ + x, + y + ] + }); + } + function quadraticCurveTo(xa, ya, x, y) { + cmds.push({ + cmd: 'quadraticCurveTo', + args: [ + xa, + ya, + x, + y + ] + }); + } + var i = 0; + var numberOfContours = (code[i] << 24 | code[i + 1] << 16) >> 16; + var flags; + var x = 0, y = 0; + i += 10; + if (numberOfContours < 0) { + // composite glyph + do { + flags = code[i] << 8 | code[i + 1]; + var glyphIndex = code[i + 2] << 8 | code[i + 3]; + i += 4; + var arg1, arg2; + if (flags & 0x01) { + arg1 = (code[i] << 24 | code[i + 1] << 16) >> 16; + arg2 = (code[i + 2] << 24 | code[i + 3] << 16) >> 16; + i += 4; + } else { + arg1 = code[i++]; + arg2 = code[i++]; + } + if (flags & 0x02) { + x = arg1; + y = arg2; + } else { + x = 0; + y = 0; + } + // TODO "they are points" ? + var scaleX = 1, scaleY = 1, scale01 = 0, scale10 = 0; + if (flags & 0x08) { + scaleX = scaleY = (code[i] << 24 | code[i + 1] << 16) / 1073741824; + i += 2; + } else if (flags & 0x40) { + scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824; + scaleY = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824; + i += 4; + } else if (flags & 0x80) { + scaleX = (code[i] << 24 | code[i + 1] << 16) / 1073741824; + scale01 = (code[i + 2] << 24 | code[i + 3] << 16) / 1073741824; + scale10 = (code[i + 4] << 24 | code[i + 5] << 16) / 1073741824; + scaleY = (code[i + 6] << 24 | code[i + 7] << 16) / 1073741824; + i += 8; + } + var subglyph = font.glyphs[glyphIndex]; + if (subglyph) { + cmds.push({ cmd: 'save' }); + cmds.push({ + cmd: 'transform', + args: [ + scaleX, + scale01, + scale10, + scaleY, + x, + y + ] + }); + compileGlyf(subglyph, cmds, font); + cmds.push({ cmd: 'restore' }); + } + } while (flags & 0x20); + } else { + // simple glyph + var endPtsOfContours = []; + var j, jj; + for (j = 0; j < numberOfContours; j++) { + endPtsOfContours.push(code[i] << 8 | code[i + 1]); + i += 2; + } + var instructionLength = code[i] << 8 | code[i + 1]; + i += 2 + instructionLength; + // skipping the instructions + var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1; + var points = []; + while (points.length < numberOfPoints) { + flags = code[i++]; + var repeat = 1; + if (flags & 0x08) { + repeat += code[i++]; + } + while (repeat-- > 0) { + points.push({ flags: flags }); + } + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x12) { + case 0x00: + x += (code[i] << 24 | code[i + 1] << 16) >> 16; + i += 2; + break; + case 0x02: + x -= code[i++]; + break; + case 0x12: + x += code[i++]; + break; + } + points[j].x = x; + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x24) { + case 0x00: + y += (code[i] << 24 | code[i + 1] << 16) >> 16; + i += 2; + break; + case 0x04: + y -= code[i++]; + break; + case 0x24: + y += code[i++]; + break; + } + points[j].y = y; + } + var startPoint = 0; + for (i = 0; i < numberOfContours; i++) { + var endPoint = endPtsOfContours[i]; + // contours might have implicit points, which is located in the middle + // between two neighboring off-curve points + var contour = points.slice(startPoint, endPoint + 1); + if (contour[0].flags & 1) { + contour.push(contour[0]); + } else // using start point at the contour end + if (contour[contour.length - 1].flags & 1) { + // first is off-curve point, trying to use one from the end + contour.unshift(contour[contour.length - 1]); + } else { + // start and end are off-curve points, creating implicit one + var p = { + flags: 1, + x: (contour[0].x + contour[contour.length - 1].x) / 2, + y: (contour[0].y + contour[contour.length - 1].y) / 2 + }; + contour.unshift(p); + contour.push(p); + } + moveTo(contour[0].x, contour[0].y); + for (j = 1, jj = contour.length; j < jj; j++) { + if (contour[j].flags & 1) { + lineTo(contour[j].x, contour[j].y); + } else if (contour[j + 1].flags & 1) { + quadraticCurveTo(contour[j].x, contour[j].y, contour[j + 1].x, contour[j + 1].y); + j++; + } else { + quadraticCurveTo(contour[j].x, contour[j].y, (contour[j].x + contour[j + 1].x) / 2, (contour[j].y + contour[j + 1].y) / 2); + } + } + startPoint = endPoint + 1; + } + } + } + function compileCharString(code, cmds, font) { + var stack = []; + var x = 0, y = 0; + var stems = 0; + function moveTo(x, y) { + cmds.push({ + cmd: 'moveTo', + args: [ + x, + y + ] + }); + } + function lineTo(x, y) { + cmds.push({ + cmd: 'lineTo', + args: [ + x, + y + ] + }); + } + function bezierCurveTo(x1, y1, x2, y2, x, y) { + cmds.push({ + cmd: 'bezierCurveTo', + args: [ + x1, + y1, + x2, + y2, + x, + y + ] + }); + } + function parse(code) { + var i = 0; + while (i < code.length) { + var stackClean = false; + var v = code[i++]; + var xa, xb, ya, yb, y1, y2, y3, n, subrCode; + switch (v) { + case 1: + // hstem + stems += stack.length >> 1; + stackClean = true; + break; + case 3: + // vstem + stems += stack.length >> 1; + stackClean = true; + break; + case 4: + // vmoveto + y += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 5: + // rlineto + while (stack.length > 0) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + break; + case 6: + // hlineto + while (stack.length > 0) { + x += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + y += stack.shift(); + lineTo(x, y); + } + break; + case 7: + // vlineto + while (stack.length > 0) { + y += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + x += stack.shift(); + lineTo(x, y); + } + break; + case 8: + // rrcurveto + while (stack.length > 0) { + xa = x + stack.shift(); + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 10: + // callsubr + n = stack.pop() + font.subrsBias; + subrCode = font.subrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 11: + // return + return; + case 12: + v = code[i++]; + switch (v) { + case 34: + // flex + xa = x + stack.shift(); + xb = xa + stack.shift(); + y1 = y + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y, xb, y1, x, y1); + xa = x + stack.shift(); + xb = xa + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y, x, y); + break; + case 35: + // flex + xa = x + stack.shift(); + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + stack.pop(); + // fd + break; + case 36: + // hflex1 + xa = x + stack.shift(); + y1 = y + stack.shift(); + xb = xa + stack.shift(); + y2 = y1 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y2, x, y2); + xa = x + stack.shift(); + xb = xa + stack.shift(); + y3 = y2 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y2, xb, y3, x, y); + break; + case 37: + // flex1 + var x0 = x, y0 = y; + xa = x + stack.shift(); + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb; + y = yb; + if (Math.abs(x - x0) > Math.abs(y - y0)) { + x += stack.shift(); + } else { + y += stack.shift(); + } + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + default: + error('unknown operator: 12 ' + v); + } + break; + case 14: + // endchar + if (stack.length >= 4) { + var achar = stack.pop(); + var bchar = stack.pop(); + y = stack.pop(); + x = stack.pop(); + cmds.push({ cmd: 'save' }); + cmds.push({ + cmd: 'translate', + args: [ + x, + y + ] + }); + var cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[StandardEncoding[achar]])); + compileCharString(font.glyphs[cmap.glyphId], cmds, font); + cmds.push({ cmd: 'restore' }); + cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[StandardEncoding[bchar]])); + compileCharString(font.glyphs[cmap.glyphId], cmds, font); + } + return; + case 18: + // hstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 19: + // hintmask + stems += stack.length >> 1; + i += stems + 7 >> 3; + stackClean = true; + break; + case 20: + // cntrmask + stems += stack.length >> 1; + i += stems + 7 >> 3; + stackClean = true; + break; + case 21: + // rmoveto + y += stack.pop(); + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 22: + // hmoveto + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 23: + // vstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 24: + // rcurveline + while (stack.length > 2) { + xa = x + stack.shift(); + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + break; + case 25: + // rlinecurve + while (stack.length > 6) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + xa = x + stack.shift(); + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + case 26: + // vvcurveto + if (stack.length % 2) { + x += stack.shift(); + } + while (stack.length > 0) { + xa = x; + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb; + y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 27: + // hhcurveto + if (stack.length % 2) { + y += stack.shift(); + } + while (stack.length > 0) { + xa = x + stack.shift(); + ya = y; + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb; + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 28: + stack.push((code[i] << 24 | code[i + 1] << 16) >> 16); + i += 2; + break; + case 29: + // callgsubr + n = stack.pop() + font.gsubrsBias; + subrCode = font.gsubrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 30: + // vhcurveto + while (stack.length > 0) { + xa = x; + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + xa = x + stack.shift(); + ya = y; + xb = xa + stack.shift(); + yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 31: + // hvcurveto + while (stack.length > 0) { + xa = x + stack.shift(); + ya = y; + xb = xa + stack.shift(); + yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + xa = x; + ya = y + stack.shift(); + xb = xa + stack.shift(); + yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + default: + if (v < 32) { + error('unknown operator: ' + v); + } + if (v < 247) { + stack.push(v - 139); + } else if (v < 251) { + stack.push((v - 247) * 256 + code[i++] + 108); + } else if (v < 255) { + stack.push(-(v - 251) * 256 - code[i++] - 108); + } else { + stack.push((code[i] << 24 | code[i + 1] << 16 | code[i + 2] << 8 | code[i + 3]) / 65536); + i += 4; + } + break; + } + if (stackClean) { + stack.length = 0; + } + } + } + parse(code); + } + var noop = ''; + function CompiledFont(fontMatrix) { + this.compiledGlyphs = Object.create(null); + this.compiledCharCodeToGlyphId = Object.create(null); + this.fontMatrix = fontMatrix; + } + CompiledFont.prototype = { + getPathJs: function (unicode) { + var cmap = lookupCmap(this.cmap, unicode); + var fn = this.compiledGlyphs[cmap.glyphId]; + if (!fn) { + fn = this.compileGlyph(this.glyphs[cmap.glyphId]); + this.compiledGlyphs[cmap.glyphId] = fn; + } + if (this.compiledCharCodeToGlyphId[cmap.charCode] === undefined) { + this.compiledCharCodeToGlyphId[cmap.charCode] = cmap.glyphId; + } + return fn; + }, + compileGlyph: function (code) { + if (!code || code.length === 0 || code[0] === 14) { + return noop; + } + var cmds = []; + cmds.push({ cmd: 'save' }); + cmds.push({ + cmd: 'transform', + args: this.fontMatrix.slice() + }); + cmds.push({ + cmd: 'scale', + args: [ + 'size', + '-size' + ] + }); + this.compileGlyphImpl(code, cmds); + cmds.push({ cmd: 'restore' }); + return cmds; + }, + compileGlyphImpl: function () { + error('Children classes should implement this.'); + }, + hasBuiltPath: function (unicode) { + var cmap = lookupCmap(this.cmap, unicode); + return this.compiledGlyphs[cmap.glyphId] !== undefined && this.compiledCharCodeToGlyphId[cmap.charCode] !== undefined; + } + }; + function TrueTypeCompiled(glyphs, cmap, fontMatrix) { + fontMatrix = fontMatrix || [ + 0.000488, + 0, + 0, + 0.000488, + 0, + 0 + ]; + CompiledFont.call(this, fontMatrix); + this.glyphs = glyphs; + this.cmap = cmap; + } + Util.inherit(TrueTypeCompiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileGlyf(code, cmds, this); + } + }); + function Type2Compiled(cffInfo, cmap, fontMatrix, glyphNameMap) { + fontMatrix = fontMatrix || [ + 0.001, + 0, + 0, + 0.001, + 0, + 0 + ]; + CompiledFont.call(this, fontMatrix); + this.glyphs = cffInfo.glyphs; + this.gsubrs = cffInfo.gsubrs || []; + this.subrs = cffInfo.subrs || []; + this.cmap = cmap; + this.glyphNameMap = glyphNameMap || getGlyphsUnicode(); + this.gsubrsBias = this.gsubrs.length < 1240 ? 107 : this.gsubrs.length < 33900 ? 1131 : 32768; + this.subrsBias = this.subrs.length < 1240 ? 107 : this.subrs.length < 33900 ? 1131 : 32768; + } + Util.inherit(Type2Compiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileCharString(code, cmds, this); + } + }); + return { + create: function FontRendererFactory_create(font, seacAnalysisEnabled) { + var data = new Uint8Array(font.data); + var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm; + var numTables = getUshort(data, 4); + for (var i = 0, p = 12; i < numTables; i++, p += 16) { + var tag = bytesToString(data.subarray(p, p + 4)); + var offset = getLong(data, p + 8); + var length = getLong(data, p + 12); + switch (tag) { + case 'cmap': + cmap = parseCmap(data, offset, offset + length); + break; + case 'glyf': + glyf = data.subarray(offset, offset + length); + break; + case 'loca': + loca = data.subarray(offset, offset + length); + break; + case 'head': + unitsPerEm = getUshort(data, offset + 18); + indexToLocFormat = getUshort(data, offset + 50); + break; + case 'CFF ': + cff = parseCff(data, offset, offset + length, seacAnalysisEnabled); + break; + } + } + if (glyf) { + var fontMatrix = !unitsPerEm ? font.fontMatrix : [ + 1 / unitsPerEm, + 0, + 0, + 1 / unitsPerEm, + 0, + 0 + ]; + return new TrueTypeCompiled(parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix); + } else { + return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap); + } + } + }; + }(); + exports.FontRendererFactory = FontRendererFactory; + })); + (function (root, factory) { + factory(root.pdfjsCoreParser = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream); + }(this, function (exports, sharedUtil, corePrimitives, coreStream) { + var MissingDataException = sharedUtil.MissingDataException; + var StreamType = sharedUtil.StreamType; + var assert = sharedUtil.assert; + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var isInt = sharedUtil.isInt; + var isNum = sharedUtil.isNum; + var isString = sharedUtil.isString; + var warn = sharedUtil.warn; + var Cmd = corePrimitives.Cmd; + var Dict = corePrimitives.Dict; + var Name = corePrimitives.Name; + var Ref = corePrimitives.Ref; + var isCmd = corePrimitives.isCmd; + var isDict = corePrimitives.isDict; + var isName = corePrimitives.isName; + var Ascii85Stream = coreStream.Ascii85Stream; + var AsciiHexStream = coreStream.AsciiHexStream; + var CCITTFaxStream = coreStream.CCITTFaxStream; + var FlateStream = coreStream.FlateStream; + var Jbig2Stream = coreStream.Jbig2Stream; + var JpegStream = coreStream.JpegStream; + var JpxStream = coreStream.JpxStream; + var LZWStream = coreStream.LZWStream; + var NullStream = coreStream.NullStream; + var PredictorStream = coreStream.PredictorStream; + var RunLengthStream = coreStream.RunLengthStream; + var EOF = {}; + function isEOF(v) { + return v === EOF; + } + var MAX_LENGTH_TO_CACHE = 1000; + var Parser = function ParserClosure() { + function Parser(lexer, allowStreams, xref, recoveryMode) { + this.lexer = lexer; + this.allowStreams = allowStreams; + this.xref = xref; + this.recoveryMode = recoveryMode || false; + this.imageCache = Object.create(null); + this.refill(); + } + Parser.prototype = { + refill: function Parser_refill() { + this.buf1 = this.lexer.getObj(); + this.buf2 = this.lexer.getObj(); + }, + shift: function Parser_shift() { + if (isCmd(this.buf2, 'ID')) { + this.buf1 = this.buf2; + this.buf2 = null; + } else { + this.buf1 = this.buf2; + this.buf2 = this.lexer.getObj(); + } + }, + tryShift: function Parser_tryShift() { + try { + this.shift(); + return true; + } catch (e) { + if (e instanceof MissingDataException) { + throw e; + } + // Upon failure, the caller should reset this.lexer.pos to a known good + // state and call this.shift() twice to reset the buffers. + return false; + } + }, + getObj: function Parser_getObj(cipherTransform) { + var buf1 = this.buf1; + this.shift(); + if (buf1 instanceof Cmd) { + switch (buf1.cmd) { + case 'BI': + // inline image + return this.makeInlineImage(cipherTransform); + case '[': + // array + var array = []; + while (!isCmd(this.buf1, ']') && !isEOF(this.buf1)) { + array.push(this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + if (!this.recoveryMode) { + error('End of file inside array'); + } + return array; + } + this.shift(); + return array; + case '<<': + // dictionary or stream + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, '>>') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + info('Malformed dictionary: key must be a name object'); + this.shift(); + continue; + } + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + if (!this.recoveryMode) { + error('End of file inside dictionary'); + } + return dict; + } + // Stream objects are not allowed inside content streams or + // object streams. + if (isCmd(this.buf2, 'stream')) { + return this.allowStreams ? this.makeStream(dict, cipherTransform) : dict; + } + this.shift(); + return dict; + default: + // simple object + return buf1; + } + } + if (isInt(buf1)) { + // indirect reference or integer + var num = buf1; + if (isInt(this.buf1) && isCmd(this.buf2, 'R')) { + var ref = new Ref(num, this.buf1); + this.shift(); + this.shift(); + return ref; + } + return num; + } + if (isString(buf1)) { + // string + var str = buf1; + if (cipherTransform) { + str = cipherTransform.decryptString(str); + } + return str; + } + // simple object + return buf1; + }, + /** + * Find the end of the stream by searching for the /EI\s/. + * @returns {number} The inline stream length. + */ + findDefaultInlineStreamEnd: function Parser_findDefaultInlineStreamEnd(stream) { + var E = 0x45, I = 0x49, SPACE = 0x20, LF = 0xA, CR = 0xD; + var startPos = stream.pos, state = 0, ch, i, n, followingBytes; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = ch === E ? 1 : 0; + } else if (state === 1) { + state = ch === I ? 2 : 0; + } else { + assert(state === 2); + if (ch === SPACE || ch === LF || ch === CR) { + // Let's check the next five bytes are ASCII... just be sure. + n = 5; + followingBytes = stream.peekBytes(n); + for (i = 0; i < n; i++) { + ch = followingBytes[i]; + if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7F)) { + // Not a LF, CR, SPACE or any visible ASCII character, i.e. + // it's binary stuff. Resetting the state. + state = 0; + break; + } + } + if (state === 2) { + break; + } + } else + // Finished! + { + state = 0; + } + } + } + return stream.pos - 4 - startPos; + }, + /** + * Find the EOI (end-of-image) marker 0xFFD9 of the stream. + * @returns {number} The inline stream length. + */ + findDCTDecodeInlineStreamEnd: function Parser_findDCTDecodeInlineStreamEnd(stream) { + var startPos = stream.pos, foundEOI = false, b, markerLength, length; + while ((b = stream.getByte()) !== -1) { + if (b !== 0xFF) { + // Not a valid marker. + continue; + } + switch (stream.getByte()) { + case 0x00: + // Byte stuffing. + // 0xFF00 appears to be a very common byte sequence in JPEG images. + break; + case 0xFF: + // Fill byte. + // Avoid skipping a valid marker, resetting the stream position. + stream.skip(-1); + break; + case 0xD9: + // EOI + foundEOI = true; + break; + case 0xC0: + // SOF0 + case 0xC1: + // SOF1 + case 0xC2: + // SOF2 + case 0xC3: + // SOF3 + case 0xC5: + // SOF5 + case 0xC6: + // SOF6 + case 0xC7: + // SOF7 + case 0xC9: + // SOF9 + case 0xCA: + // SOF10 + case 0xCB: + // SOF11 + case 0xCD: + // SOF13 + case 0xCE: + // SOF14 + case 0xCF: + // SOF15 + case 0xC4: + // DHT + case 0xCC: + // DAC + case 0xDA: + // SOS + case 0xDB: + // DQT + case 0xDC: + // DNL + case 0xDD: + // DRI + case 0xDE: + // DHP + case 0xDF: + // EXP + case 0xE0: + // APP0 + case 0xE1: + // APP1 + case 0xE2: + // APP2 + case 0xE3: + // APP3 + case 0xE4: + // APP4 + case 0xE5: + // APP5 + case 0xE6: + // APP6 + case 0xE7: + // APP7 + case 0xE8: + // APP8 + case 0xE9: + // APP9 + case 0xEA: + // APP10 + case 0xEB: + // APP11 + case 0xEC: + // APP12 + case 0xED: + // APP13 + case 0xEE: + // APP14 + case 0xEF: + // APP15 + case 0xFE: + // COM + // The marker should be followed by the length of the segment. + markerLength = stream.getUint16(); + if (markerLength > 2) { + // |markerLength| contains the byte length of the marker segment, + // including its own length (2 bytes) and excluding the marker. + stream.skip(markerLength - 2); + } else + // Jump to the next marker. + { + // The marker length is invalid, resetting the stream position. + stream.skip(-2); + } + break; + } + if (foundEOI) { + break; + } + } + length = stream.pos - startPos; + if (b === -1) { + warn('Inline DCTDecode image stream: ' + 'EOI marker not found, searching for /EI/ instead.'); + stream.skip(-length); + // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '~>' (i.e. TILDE + GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCII85DecodeInlineStreamEnd: function Parser_findASCII85DecodeInlineStreamEnd(stream) { + var TILDE = 0x7E, GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === TILDE && stream.peekByte() === GT) { + stream.skip(); + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCII85Decode image stream: ' + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); + // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '>' (i.e. GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCIIHexDecodeInlineStreamEnd: function Parser_findASCIIHexDecodeInlineStreamEnd(stream) { + var GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === GT) { + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCIIHexDecode image stream: ' + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); + // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Skip over the /EI/ for streams where we search for an EOD marker. + */ + inlineStreamSkipEI: function Parser_inlineStreamSkipEI(stream) { + var E = 0x45, I = 0x49; + var state = 0, ch; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = ch === E ? 1 : 0; + } else if (state === 1) { + state = ch === I ? 2 : 0; + } else if (state === 2) { + break; + } + } + }, + makeInlineImage: function Parser_makeInlineImage(cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + // Parse dictionary. + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, 'ID') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + error('Dictionary key must be a name object'); + } + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + // Extract the name of the first (i.e. the current) image filter. + var filter = dict.get('Filter', 'F'), filterName; + if (isName(filter)) { + filterName = filter.name; + } else if (isArray(filter) && isName(filter[0])) { + filterName = filter[0].name; + } + // Parse image stream. + var startPos = stream.pos, length, i, ii; + if (filterName === 'DCTDecode' || filterName === 'DCT') { + length = this.findDCTDecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCII85Decide' || filterName === 'A85') { + length = this.findASCII85DecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCIIHexDecode' || filterName === 'AHx') { + length = this.findASCIIHexDecodeInlineStreamEnd(stream); + } else { + length = this.findDefaultInlineStreamEnd(stream); + } + var imageStream = stream.makeSubStream(startPos, length, dict); + // Cache all images below the MAX_LENGTH_TO_CACHE threshold by their + // adler32 checksum. + var adler32; + if (length < MAX_LENGTH_TO_CACHE) { + var imageBytes = imageStream.getBytes(); + imageStream.reset(); + var a = 1; + var b = 0; + for (i = 0, ii = imageBytes.length; i < ii; ++i) { + // No modulo required in the loop if imageBytes.length < 5552. + a += imageBytes[i] & 0xff; + b += a; + } + adler32 = b % 65521 << 16 | a % 65521; + if (this.imageCache.adler32 === adler32) { + this.buf2 = Cmd.get('EI'); + this.shift(); + this.imageCache[adler32].reset(); + return this.imageCache[adler32]; + } + } + if (cipherTransform) { + imageStream = cipherTransform.createStream(imageStream, length); + } + imageStream = this.filter(imageStream, dict, length); + imageStream.dict = dict; + if (adler32 !== undefined) { + imageStream.cacheKey = 'inline_' + length + '_' + adler32; + this.imageCache[adler32] = imageStream; + } + this.buf2 = Cmd.get('EI'); + this.shift(); + return imageStream; + }, + makeStream: function Parser_makeStream(dict, cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + // get stream start position + lexer.skipToNextLine(); + var pos = stream.pos - 1; + // get length + var length = dict.get('Length'); + if (!isInt(length)) { + info('Bad ' + length + ' attribute in stream'); + length = 0; + } + // skip over the stream data + stream.pos = pos + length; + lexer.nextChar(); + // Shift '>>' and check whether the new object marks the end of the stream + if (this.tryShift() && isCmd(this.buf2, 'endstream')) { + this.shift(); + } else + // 'stream' + { + // bad stream length, scanning for endstream + stream.pos = pos; + var SCAN_BLOCK_SIZE = 2048; + var ENDSTREAM_SIGNATURE_LENGTH = 9; + var ENDSTREAM_SIGNATURE = [ + 0x65, + 0x6E, + 0x64, + 0x73, + 0x74, + 0x72, + 0x65, + 0x61, + 0x6D + ]; + var skipped = 0, found = false, i, j; + while (stream.pos < stream.end) { + var scanBytes = stream.peekBytes(SCAN_BLOCK_SIZE); + var scanLength = scanBytes.length - ENDSTREAM_SIGNATURE_LENGTH; + if (scanLength <= 0) { + break; + } + found = false; + i = 0; + while (i < scanLength) { + j = 0; + while (j < ENDSTREAM_SIGNATURE_LENGTH && scanBytes[i + j] === ENDSTREAM_SIGNATURE[j]) { + j++; + } + if (j >= ENDSTREAM_SIGNATURE_LENGTH) { + found = true; + break; + } + i++; + } + if (found) { + skipped += i; + stream.pos += i; + break; + } + skipped += scanLength; + stream.pos += scanLength; + } + if (!found) { + error('Missing endstream'); + } + length = skipped; + lexer.nextChar(); + this.shift(); + this.shift(); + } + this.shift(); + // 'endstream' + stream = stream.makeSubStream(pos, length, dict); + if (cipherTransform) { + stream = cipherTransform.createStream(stream, length); + } + stream = this.filter(stream, dict, length); + stream.dict = dict; + return stream; + }, + filter: function Parser_filter(stream, dict, length) { + var filter = dict.get('Filter', 'F'); + var params = dict.get('DecodeParms', 'DP'); + if (isName(filter)) { + if (isArray(params)) { + params = params[0]; + } + return this.makeFilter(stream, filter.name, length, params); + } + var maybeLength = length; + if (isArray(filter)) { + var filterArray = filter; + var paramsArray = params; + for (var i = 0, ii = filterArray.length; i < ii; ++i) { + filter = filterArray[i]; + if (!isName(filter)) { + error('Bad filter name: ' + filter); + } + params = null; + if (isArray(paramsArray) && i in paramsArray) { + params = paramsArray[i]; + } + stream = this.makeFilter(stream, filter.name, maybeLength, params); + // after the first stream the length variable is invalid + maybeLength = null; + } + } + return stream; + }, + makeFilter: function Parser_makeFilter(stream, name, maybeLength, params) { + // Since the 'Length' entry in the stream dictionary can be completely + // wrong, e.g. zero for non-empty streams, only skip parsing the stream + // when we can be absolutely certain that it actually is empty. + if (maybeLength === 0) { + warn('Empty "' + name + '" stream.'); + return new NullStream(stream); + } + try { + if (params && this.xref) { + params = this.xref.fetchIfRef(params); + } + var xrefStreamStats = this.xref.stats.streamTypes; + if (name === 'FlateDecode' || name === 'Fl') { + xrefStreamStats[StreamType.FLATE] = true; + if (params) { + return new PredictorStream(new FlateStream(stream, maybeLength), maybeLength, params); + } + return new FlateStream(stream, maybeLength); + } + if (name === 'LZWDecode' || name === 'LZW') { + xrefStreamStats[StreamType.LZW] = true; + var earlyChange = 1; + if (params) { + if (params.has('EarlyChange')) { + earlyChange = params.get('EarlyChange'); + } + return new PredictorStream(new LZWStream(stream, maybeLength, earlyChange), maybeLength, params); + } + return new LZWStream(stream, maybeLength, earlyChange); + } + if (name === 'DCTDecode' || name === 'DCT') { + xrefStreamStats[StreamType.DCT] = true; + return new JpegStream(stream, maybeLength, stream.dict, params); + } + if (name === 'JPXDecode' || name === 'JPX') { + xrefStreamStats[StreamType.JPX] = true; + return new JpxStream(stream, maybeLength, stream.dict, params); + } + if (name === 'ASCII85Decode' || name === 'A85') { + xrefStreamStats[StreamType.A85] = true; + return new Ascii85Stream(stream, maybeLength); + } + if (name === 'ASCIIHexDecode' || name === 'AHx') { + xrefStreamStats[StreamType.AHX] = true; + return new AsciiHexStream(stream, maybeLength); + } + if (name === 'CCITTFaxDecode' || name === 'CCF') { + xrefStreamStats[StreamType.CCF] = true; + return new CCITTFaxStream(stream, maybeLength, params); + } + if (name === 'RunLengthDecode' || name === 'RL') { + xrefStreamStats[StreamType.RL] = true; + return new RunLengthStream(stream, maybeLength); + } + if (name === 'JBIG2Decode') { + xrefStreamStats[StreamType.JBIG] = true; + return new Jbig2Stream(stream, maybeLength, stream.dict, params); + } + warn('filter "' + name + '" not supported yet'); + return stream; + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Invalid stream: \"' + ex + '\"'); + return new NullStream(stream); + } + } + }; + return Parser; + }(); + var Lexer = function LexerClosure() { + function Lexer(stream, knownCommands) { + this.stream = stream; + this.nextChar(); + // While lexing, we build up many strings one char at a time. Using += for + // this can result in lots of garbage strings. It's better to build an + // array of single-char strings and then join() them together at the end. + // And reusing a single array (i.e. |this.strBuf|) over and over for this + // purpose uses less memory than using a new array for each string. + this.strBuf = []; + // The PDFs might have "glued" commands with other commands, operands or + // literals, e.g. "q1". The knownCommands is a dictionary of the valid + // commands and their prefixes. The prefixes are built the following way: + // if there a command that is a prefix of the other valid command or + // literal (e.g. 'f' and 'false') the following prefixes must be included, + // 'fa', 'fal', 'fals'. The prefixes are not needed, if the command has no + // other commands or literals as a prefix. The knowCommands is optional. + this.knownCommands = knownCommands; + } + // A '1' in this array means the character is white space. A '1' or + // '2' means the character ends a name or command. + var specialChars = [ + 1, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 1, + 1, + 0, + 1, + 1, + 0, + 0, + // 0x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // 1x + 1, + 0, + 0, + 0, + 0, + 2, + 0, + 0, + 2, + 2, + 0, + 0, + 0, + 0, + 0, + 2, + // 2x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 2, + 0, + 2, + 0, + // 3x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // 4x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 2, + 0, + 2, + 0, + 0, + // 5x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // 6x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 2, + 0, + 2, + 0, + 0, + // 7x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // 8x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // 9x + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // ax + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // bx + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // cx + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // dx + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + // ex + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0 + ]; + // fx + function toHexDigit(ch) { + if (ch >= 0x30 && ch <= 0x39) { + // '0'-'9' + return ch & 0x0F; + } + if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) { + // 'A'-'F', 'a'-'f' + return (ch & 0x0F) + 9; + } + return -1; + } + Lexer.prototype = { + nextChar: function Lexer_nextChar() { + return this.currentChar = this.stream.getByte(); + }, + peekChar: function Lexer_peekChar() { + return this.stream.peekByte(); + }, + getNumber: function Lexer_getNumber() { + var ch = this.currentChar; + var eNotation = false; + var divideBy = 0; + // different from 0 if it's a floating point value + var sign = 1; + if (ch === 0x2D) { + // '-' + sign = -1; + ch = this.nextChar(); + if (ch === 0x2D) { + // '-' + // Ignore double negative (this is consistent with Adobe Reader). + ch = this.nextChar(); + } + } else if (ch === 0x2B) { + // '+' + ch = this.nextChar(); + } + if (ch === 0x2E) { + // '.' + divideBy = 10; + ch = this.nextChar(); + } + if (ch < 0x30 || ch > 0x39) { + // '0' - '9' + error('Invalid number: ' + String.fromCharCode(ch)); + return 0; + } + var baseValue = ch - 0x30; + // '0' + var powerValue = 0; + var powerValueSign = 1; + while ((ch = this.nextChar()) >= 0) { + if (0x30 <= ch && ch <= 0x39) { + // '0' - '9' + var currentDigit = ch - 0x30; + // '0' + if (eNotation) { + // We are after an 'e' or 'E' + powerValue = powerValue * 10 + currentDigit; + } else { + if (divideBy !== 0) { + // We are after a point + divideBy *= 10; + } + baseValue = baseValue * 10 + currentDigit; + } + } else if (ch === 0x2E) { + // '.' + if (divideBy === 0) { + divideBy = 1; + } else { + // A number can have only one '.' + break; + } + } else if (ch === 0x2D) { + // '-' + // ignore minus signs in the middle of numbers to match + // Adobe's behavior + warn('Badly formatted number'); + } else if (ch === 0x45 || ch === 0x65) { + // 'E', 'e' + // 'E' can be either a scientific notation or the beginning of a new + // operator + ch = this.peekChar(); + if (ch === 0x2B || ch === 0x2D) { + // '+', '-' + powerValueSign = ch === 0x2D ? -1 : 1; + this.nextChar(); + } else // Consume the sign character + if (ch < 0x30 || ch > 0x39) { + // '0' - '9' + // The 'E' must be the beginning of a new operator + break; + } + eNotation = true; + } else { + // the last character doesn't belong to us + break; + } + } + if (divideBy !== 0) { + baseValue /= divideBy; + } + if (eNotation) { + baseValue *= Math.pow(10, powerValueSign * powerValue); + } + return sign * baseValue; + }, + getString: function Lexer_getString() { + var numParen = 1; + var done = false; + var strBuf = this.strBuf; + strBuf.length = 0; + var ch = this.nextChar(); + while (true) { + var charBuffered = false; + switch (ch | 0) { + case -1: + warn('Unterminated string'); + done = true; + break; + case 0x28: + // '(' + ++numParen; + strBuf.push('('); + break; + case 0x29: + // ')' + if (--numParen === 0) { + this.nextChar(); + // consume strings ')' + done = true; + } else { + strBuf.push(')'); + } + break; + case 0x5C: + // '\\' + ch = this.nextChar(); + switch (ch) { + case -1: + warn('Unterminated string'); + done = true; + break; + case 0x6E: + // 'n' + strBuf.push('\n'); + break; + case 0x72: + // 'r' + strBuf.push('\r'); + break; + case 0x74: + // 't' + strBuf.push('\t'); + break; + case 0x62: + // 'b' + strBuf.push('\b'); + break; + case 0x66: + // 'f' + strBuf.push('\f'); + break; + case 0x5C: + // '\' + case 0x28: + // '(' + case 0x29: + // ')' + strBuf.push(String.fromCharCode(ch)); + break; + case 0x30: + case 0x31: + case 0x32: + case 0x33: + // '0'-'3' + case 0x34: + case 0x35: + case 0x36: + case 0x37: + // '4'-'7' + var x = ch & 0x0F; + ch = this.nextChar(); + charBuffered = true; + if (ch >= 0x30 && ch <= 0x37) { + // '0'-'7' + x = (x << 3) + (ch & 0x0F); + ch = this.nextChar(); + if (ch >= 0x30 && ch <= 0x37) { + // '0'-'7' + charBuffered = false; + x = (x << 3) + (ch & 0x0F); + } + } + strBuf.push(String.fromCharCode(x)); + break; + case 0x0D: + // CR + if (this.peekChar() === 0x0A) { + // LF + this.nextChar(); + } + break; + case 0x0A: + // LF + break; + default: + strBuf.push(String.fromCharCode(ch)); + break; + } + break; + default: + strBuf.push(String.fromCharCode(ch)); + break; + } + if (done) { + break; + } + if (!charBuffered) { + ch = this.nextChar(); + } + } + return strBuf.join(''); + }, + getName: function Lexer_getName() { + var ch, previousCh; + var strBuf = this.strBuf; + strBuf.length = 0; + while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { + if (ch === 0x23) { + // '#' + ch = this.nextChar(); + if (specialChars[ch]) { + warn('Lexer_getName: ' + 'NUMBER SIGN (#) should be followed by a hexadecimal number.'); + strBuf.push('#'); + break; + } + var x = toHexDigit(ch); + if (x !== -1) { + previousCh = ch; + ch = this.nextChar(); + var x2 = toHexDigit(ch); + if (x2 === -1) { + warn('Lexer_getName: Illegal digit (' + String.fromCharCode(ch) + ') in hexadecimal number.'); + strBuf.push('#', String.fromCharCode(previousCh)); + if (specialChars[ch]) { + break; + } + strBuf.push(String.fromCharCode(ch)); + continue; + } + strBuf.push(String.fromCharCode(x << 4 | x2)); + } else { + strBuf.push('#', String.fromCharCode(ch)); + } + } else { + strBuf.push(String.fromCharCode(ch)); + } + } + if (strBuf.length > 127) { + warn('name token is longer than allowed by the spec: ' + strBuf.length); + } + return Name.get(strBuf.join('')); + }, + getHexString: function Lexer_getHexString() { + var strBuf = this.strBuf; + strBuf.length = 0; + var ch = this.currentChar; + var isFirstHex = true; + var firstDigit; + var secondDigit; + while (true) { + if (ch < 0) { + warn('Unterminated hex string'); + break; + } else if (ch === 0x3E) { + // '>' + this.nextChar(); + break; + } else if (specialChars[ch] === 1) { + ch = this.nextChar(); + continue; + } else { + if (isFirstHex) { + firstDigit = toHexDigit(ch); + if (firstDigit === -1) { + warn('Ignoring invalid character "' + ch + '" in hex string'); + ch = this.nextChar(); + continue; + } + } else { + secondDigit = toHexDigit(ch); + if (secondDigit === -1) { + warn('Ignoring invalid character "' + ch + '" in hex string'); + ch = this.nextChar(); + continue; + } + strBuf.push(String.fromCharCode(firstDigit << 4 | secondDigit)); + } + isFirstHex = !isFirstHex; + ch = this.nextChar(); + } + } + return strBuf.join(''); + }, + getObj: function Lexer_getObj() { + // skip whitespace and comments + var comment = false; + var ch = this.currentChar; + while (true) { + if (ch < 0) { + return EOF; + } + if (comment) { + if (ch === 0x0A || ch === 0x0D) { + // LF, CR + comment = false; + } + } else if (ch === 0x25) { + // '%' + comment = true; + } else if (specialChars[ch] !== 1) { + break; + } + ch = this.nextChar(); + } + // start reading token + switch (ch | 0) { + case 0x30: + case 0x31: + case 0x32: + case 0x33: + case 0x34: + // '0'-'4' + case 0x35: + case 0x36: + case 0x37: + case 0x38: + case 0x39: + // '5'-'9' + case 0x2B: + case 0x2D: + case 0x2E: + // '+', '-', '.' + return this.getNumber(); + case 0x28: + // '(' + return this.getString(); + case 0x2F: + // '/' + return this.getName(); + // array punctuation + case 0x5B: + // '[' + this.nextChar(); + return Cmd.get('['); + case 0x5D: + // ']' + this.nextChar(); + return Cmd.get(']'); + // hex string or dict punctuation + case 0x3C: + // '<' + ch = this.nextChar(); + if (ch === 0x3C) { + // dict punctuation + this.nextChar(); + return Cmd.get('<<'); + } + return this.getHexString(); + // dict punctuation + case 0x3E: + // '>' + ch = this.nextChar(); + if (ch === 0x3E) { + this.nextChar(); + return Cmd.get('>>'); + } + return Cmd.get('>'); + case 0x7B: + // '{' + this.nextChar(); + return Cmd.get('{'); + case 0x7D: + // '}' + this.nextChar(); + return Cmd.get('}'); + case 0x29: + // ')' + error('Illegal character: ' + ch); + break; + } + // command + var str = String.fromCharCode(ch); + var knownCommands = this.knownCommands; + var knownCommandFound = knownCommands && knownCommands[str] !== undefined; + while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { + // stop if known command is found and next character does not make + // the str a command + var possibleCommand = str + String.fromCharCode(ch); + if (knownCommandFound && knownCommands[possibleCommand] === undefined) { + break; + } + if (str.length === 128) { + error('Command token too long: ' + str.length); + } + str = possibleCommand; + knownCommandFound = knownCommands && knownCommands[str] !== undefined; + } + if (str === 'true') { + return true; + } + if (str === 'false') { + return false; + } + if (str === 'null') { + return null; + } + return Cmd.get(str); + }, + skipToNextLine: function Lexer_skipToNextLine() { + var ch = this.currentChar; + while (ch >= 0) { + if (ch === 0x0D) { + // CR + ch = this.nextChar(); + if (ch === 0x0A) { + // LF + this.nextChar(); + } + break; + } else if (ch === 0x0A) { + // LF + this.nextChar(); + break; + } + ch = this.nextChar(); + } + } + }; + return Lexer; + }(); + var Linearization = { + create: function LinearizationCreate(stream) { + function getInt(name, allowZeroValue) { + var obj = linDict.get(name); + if (isInt(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) { + return obj; + } + throw new Error('The "' + name + '" parameter in the linearization ' + 'dictionary is invalid.'); + } + function getHints() { + var hints = linDict.get('H'), hintsLength, item; + if (isArray(hints) && ((hintsLength = hints.length) === 2 || hintsLength === 4)) { + for (var index = 0; index < hintsLength; index++) { + if (!(isInt(item = hints[index]) && item > 0)) { + throw new Error('Hint (' + index + ') in the linearization dictionary is invalid.'); + } + } + return hints; + } + throw new Error('Hint array in the linearization dictionary is invalid.'); + } + var parser = new Parser(new Lexer(stream), false, null); + var obj1 = parser.getObj(); + var obj2 = parser.getObj(); + var obj3 = parser.getObj(); + var linDict = parser.getObj(); + var obj, length; + if (!(isInt(obj1) && isInt(obj2) && isCmd(obj3, 'obj') && isDict(linDict) && isNum(obj = linDict.get('Linearized')) && obj > 0)) { + return null; + } else // No valid linearization dictionary found. + if ((length = getInt('L')) !== stream.length) { + throw new Error('The "L" parameter in the linearization dictionary ' + 'does not equal the stream length.'); + } + return { + length: length, + hints: getHints(), + objectNumberFirst: getInt('O'), + endFirst: getInt('E'), + numPages: getInt('N'), + mainXRefEntriesOffset: getInt('T'), + pageFirst: linDict.has('P') ? getInt('P', true) : 0 + }; + } + }; + exports.EOF = EOF; + exports.Lexer = Lexer; + exports.Linearization = Linearization; + exports.Parser = Parser; + exports.isEOF = isEOF; + })); + (function (root, factory) { + factory(root.pdfjsCoreType1Parser = {}, root.pdfjsSharedUtil, root.pdfjsCoreStream, root.pdfjsCoreEncodings); + }(this, function (exports, sharedUtil, coreStream, coreEncodings) { + var warn = sharedUtil.warn; + var isSpace = sharedUtil.isSpace; + var Stream = coreStream.Stream; + var getEncoding = coreEncodings.getEncoding; + // Hinting is currently disabled due to unknown problems on windows + // in tracemonkey and various other pdfs with type1 fonts. + var HINTING_ENABLED = false; + /* + * CharStrings are encoded following the the CharString Encoding sequence + * describe in Chapter 6 of the "Adobe Type1 Font Format" specification. + * The value in a byte indicates a command, a number, or subsequent bytes + * that are to be interpreted in a special way. + * + * CharString Number Encoding: + * A CharString byte containing the values from 32 through 255 inclusive + * indicate an integer. These values are decoded in four ranges. + * + * 1. A CharString byte containing a value, v, between 32 and 246 inclusive, + * indicate the integer v - 139. Thus, the integer values from -107 through + * 107 inclusive may be encoded in single byte. + * + * 2. A CharString byte containing a value, v, between 247 and 250 inclusive, + * indicates an integer involving the next byte, w, according to the formula: + * [(v - 247) x 256] + w + 108 + * + * 3. A CharString byte containing a value, v, between 251 and 254 inclusive, + * indicates an integer involving the next byte, w, according to the formula: + * -[(v - 251) * 256] - w - 108 + * + * 4. A CharString containing the value 255 indicates that the next 4 bytes + * are a two complement signed integer. The first of these bytes contains the + * highest order bits, the second byte contains the next higher order bits + * and the fourth byte contain the lowest order bits. + * + * + * CharString Command Encoding: + * CharStrings commands are encoded in 1 or 2 bytes. + * + * Single byte commands are encoded in 1 byte that contains a value between + * 0 and 31 inclusive. + * If a command byte contains the value 12, then the value in the next byte + * indicates a command. This "escape" mechanism allows many extra commands + * to be encoded and this encoding technique helps to minimize the length of + * the charStrings. + */ + var Type1CharString = function Type1CharStringClosure() { + var COMMAND_MAP = { + 'hstem': [1], + 'vstem': [3], + 'vmoveto': [4], + 'rlineto': [5], + 'hlineto': [6], + 'vlineto': [7], + 'rrcurveto': [8], + 'callsubr': [10], + 'flex': [ + 12, + 35 + ], + 'drop': [ + 12, + 18 + ], + 'endchar': [14], + 'rmoveto': [21], + 'hmoveto': [22], + 'vhcurveto': [30], + 'hvcurveto': [31] + }; + function Type1CharString() { + this.width = 0; + this.lsb = 0; + this.flexing = false; + this.output = []; + this.stack = []; + } + Type1CharString.prototype = { + convert: function Type1CharString_convert(encoded, subrs, seacAnalysisEnabled) { + var count = encoded.length; + var error = false; + var wx, sbx, subrNumber; + for (var i = 0; i < count; i++) { + var value = encoded[i]; + if (value < 32) { + if (value === 12) { + value = (value << 8) + encoded[++i]; + } + switch (value) { + case 1: + // hstem + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + error = this.executeCommand(2, COMMAND_MAP.hstem); + break; + case 3: + // vstem + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + error = this.executeCommand(2, COMMAND_MAP.vstem); + break; + case 4: + // vmoveto + if (this.flexing) { + if (this.stack.length < 1) { + error = true; + break; + } + // Add the dx for flex and but also swap the values so they are + // the right order. + var dy = this.stack.pop(); + this.stack.push(0, dy); + break; + } + error = this.executeCommand(1, COMMAND_MAP.vmoveto); + break; + case 5: + // rlineto + error = this.executeCommand(2, COMMAND_MAP.rlineto); + break; + case 6: + // hlineto + error = this.executeCommand(1, COMMAND_MAP.hlineto); + break; + case 7: + // vlineto + error = this.executeCommand(1, COMMAND_MAP.vlineto); + break; + case 8: + // rrcurveto + error = this.executeCommand(6, COMMAND_MAP.rrcurveto); + break; + case 9: + // closepath + // closepath is a Type1 command that does not take argument and is + // useless in Type2 and it can simply be ignored. + this.stack = []; + break; + case 10: + // callsubr + if (this.stack.length < 1) { + error = true; + break; + } + subrNumber = this.stack.pop(); + error = this.convert(subrs[subrNumber], subrs, seacAnalysisEnabled); + break; + case 11: + // return + return error; + case 13: + // hsbw + if (this.stack.length < 2) { + error = true; + break; + } + // To convert to type2 we have to move the width value to the + // first part of the charstring and then use hmoveto with lsb. + wx = this.stack.pop(); + sbx = this.stack.pop(); + this.lsb = sbx; + this.width = wx; + this.stack.push(wx, sbx); + error = this.executeCommand(2, COMMAND_MAP.hmoveto); + break; + case 14: + // endchar + this.output.push(COMMAND_MAP.endchar[0]); + break; + case 21: + // rmoveto + if (this.flexing) { + break; + } + error = this.executeCommand(2, COMMAND_MAP.rmoveto); + break; + case 22: + // hmoveto + if (this.flexing) { + // Add the dy for flex. + this.stack.push(0); + break; + } + error = this.executeCommand(1, COMMAND_MAP.hmoveto); + break; + case 30: + // vhcurveto + error = this.executeCommand(4, COMMAND_MAP.vhcurveto); + break; + case 31: + // hvcurveto + error = this.executeCommand(4, COMMAND_MAP.hvcurveto); + break; + case (12 << 8) + 0: + // dotsection + // dotsection is a Type1 command to specify some hinting feature + // for dots that do not take a parameter and it can safely be + // ignored for Type2. + this.stack = []; + break; + case (12 << 8) + 1: + // vstem3 + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + // [vh]stem3 are Type1 only and Type2 supports [vh]stem with + // multiple parameters, so instead of returning [vh]stem3 take a + // shortcut and return [vhstem] instead. + error = this.executeCommand(2, COMMAND_MAP.vstem); + break; + case (12 << 8) + 2: + // hstem3 + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + // See vstem3. + error = this.executeCommand(2, COMMAND_MAP.hstem); + break; + case (12 << 8) + 6: + // seac + // seac is like type 2's special endchar but it doesn't use the + // first argument asb, so remove it. + if (seacAnalysisEnabled) { + this.seac = this.stack.splice(-4, 4); + error = this.executeCommand(0, COMMAND_MAP.endchar); + } else { + error = this.executeCommand(4, COMMAND_MAP.endchar); + } + break; + case (12 << 8) + 7: + // sbw + if (this.stack.length < 4) { + error = true; + break; + } + // To convert to type2 we have to move the width value to the + // first part of the charstring and then use rmoveto with + // (dx, dy). The height argument will not be used for vmtx and + // vhea tables reconstruction -- ignoring it. + var wy = this.stack.pop(); + wx = this.stack.pop(); + var sby = this.stack.pop(); + sbx = this.stack.pop(); + this.lsb = sbx; + this.width = wx; + this.stack.push(wx, sbx, sby); + error = this.executeCommand(3, COMMAND_MAP.rmoveto); + break; + case (12 << 8) + 12: + // div + if (this.stack.length < 2) { + error = true; + break; + } + var num2 = this.stack.pop(); + var num1 = this.stack.pop(); + this.stack.push(num1 / num2); + break; + case (12 << 8) + 16: + // callothersubr + if (this.stack.length < 2) { + error = true; + break; + } + subrNumber = this.stack.pop(); + var numArgs = this.stack.pop(); + if (subrNumber === 0 && numArgs === 3) { + var flexArgs = this.stack.splice(this.stack.length - 17, 17); + this.stack.push(flexArgs[2] + flexArgs[0], // bcp1x + rpx + flexArgs[3] + flexArgs[1], // bcp1y + rpy + flexArgs[4], // bcp2x + flexArgs[5], // bcp2y + flexArgs[6], // p2x + flexArgs[7], // p2y + flexArgs[8], // bcp3x + flexArgs[9], // bcp3y + flexArgs[10], // bcp4x + flexArgs[11], // bcp4y + flexArgs[12], // p3x + flexArgs[13], // p3y + flexArgs[14]); + // flexDepth + // 15 = finalx unused by flex + // 16 = finaly unused by flex + error = this.executeCommand(13, COMMAND_MAP.flex, true); + this.flexing = false; + this.stack.push(flexArgs[15], flexArgs[16]); + } else if (subrNumber === 1 && numArgs === 0) { + this.flexing = true; + } + break; + case (12 << 8) + 17: + // pop + // Ignore this since it is only used with othersubr. + break; + case (12 << 8) + 33: + // setcurrentpoint + // Ignore for now. + this.stack = []; + break; + default: + warn('Unknown type 1 charstring command of "' + value + '"'); + break; + } + if (error) { + break; + } + continue; + } else if (value <= 246) { + value = value - 139; + } else if (value <= 250) { + value = (value - 247) * 256 + encoded[++i] + 108; + } else if (value <= 254) { + value = -((value - 251) * 256) - encoded[++i] - 108; + } else { + value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0; + } + this.stack.push(value); + } + return error; + }, + executeCommand: function (howManyArgs, command, keepStack) { + var stackLength = this.stack.length; + if (howManyArgs > stackLength) { + return true; + } + var start = stackLength - howManyArgs; + for (var i = start; i < stackLength; i++) { + var value = this.stack[i]; + if (value === (value | 0)) { + // int + this.output.push(28, value >> 8 & 0xff, value & 0xff); + } else { + // fixed point + value = 65536 * value | 0; + this.output.push(255, value >> 24 & 0xFF, value >> 16 & 0xFF, value >> 8 & 0xFF, value & 0xFF); + } + } + this.output.push.apply(this.output, command); + if (keepStack) { + this.stack.splice(start, howManyArgs); + } else { + this.stack.length = 0; + } + return false; + } + }; + return Type1CharString; + }(); + /* + * Type1Parser encapsulate the needed code for parsing a Type1 font + * program. Some of its logic depends on the Type2 charstrings + * structure. + * Note: this doesn't really parse the font since that would require evaluation + * of PostScript, but it is possible in most cases to extract what we need + * without a full parse. + */ + var Type1Parser = function Type1ParserClosure() { + /* + * Decrypt a Sequence of Ciphertext Bytes to Produce the Original Sequence + * of Plaintext Bytes. The function took a key as a parameter which can be + * for decrypting the eexec block of for decoding charStrings. + */ + var EEXEC_ENCRYPT_KEY = 55665; + var CHAR_STRS_ENCRYPT_KEY = 4330; + function isHexDigit(code) { + return code >= 48 && code <= 57 || // '0'-'9' + code >= 65 && code <= 70 || // 'A'-'F' + code >= 97 && code <= 102; + } + // 'a'-'f' + function decrypt(data, key, discardNumber) { + if (discardNumber >= data.length) { + return new Uint8Array(0); + } + var r = key | 0, c1 = 52845, c2 = 22719, i, j; + for (i = 0; i < discardNumber; i++) { + r = (data[i] + r) * c1 + c2 & (1 << 16) - 1; + } + var count = data.length - discardNumber; + var decrypted = new Uint8Array(count); + for (i = discardNumber, j = 0; j < count; i++, j++) { + var value = data[i]; + decrypted[j] = value ^ r >> 8; + r = (value + r) * c1 + c2 & (1 << 16) - 1; + } + return decrypted; + } + function decryptAscii(data, key, discardNumber) { + var r = key | 0, c1 = 52845, c2 = 22719; + var count = data.length, maybeLength = count >>> 1; + var decrypted = new Uint8Array(maybeLength); + var i, j; + for (i = 0, j = 0; i < count; i++) { + var digit1 = data[i]; + if (!isHexDigit(digit1)) { + continue; + } + i++; + var digit2; + while (i < count && !isHexDigit(digit2 = data[i])) { + i++; + } + if (i < count) { + var value = parseInt(String.fromCharCode(digit1, digit2), 16); + decrypted[j++] = value ^ r >> 8; + r = (value + r) * c1 + c2 & (1 << 16) - 1; + } + } + return Array.prototype.slice.call(decrypted, discardNumber, j); + } + function isSpecial(c) { + return c === 0x2F || // '/' + c === 0x5B || c === 0x5D || // '[', ']' + c === 0x7B || c === 0x7D || // '{', '}' + c === 0x28 || c === 0x29; + } + // '(', ')' + function Type1Parser(stream, encrypted, seacAnalysisEnabled) { + if (encrypted) { + var data = stream.getBytes(); + var isBinary = !(isHexDigit(data[0]) && isHexDigit(data[1]) && isHexDigit(data[2]) && isHexDigit(data[3])); + stream = new Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : decryptAscii(data, EEXEC_ENCRYPT_KEY, 4)); + } + this.seacAnalysisEnabled = !!seacAnalysisEnabled; + this.stream = stream; + this.nextChar(); + } + Type1Parser.prototype = { + readNumberArray: function Type1Parser_readNumberArray() { + this.getToken(); + // read '[' or '{' (arrays can start with either) + var array = []; + while (true) { + var token = this.getToken(); + if (token === null || token === ']' || token === '}') { + break; + } + array.push(parseFloat(token || 0)); + } + return array; + }, + readNumber: function Type1Parser_readNumber() { + var token = this.getToken(); + return parseFloat(token || 0); + }, + readInt: function Type1Parser_readInt() { + // Use '| 0' to prevent setting a double into length such as the double + // does not flow into the loop variable. + var token = this.getToken(); + return parseInt(token || 0, 10) | 0; + }, + readBoolean: function Type1Parser_readBoolean() { + var token = this.getToken(); + // Use 1 and 0 since that's what type2 charstrings use. + return token === 'true' ? 1 : 0; + }, + nextChar: function Type1_nextChar() { + return this.currentChar = this.stream.getByte(); + }, + getToken: function Type1Parser_getToken() { + // Eat whitespace and comments. + var comment = false; + var ch = this.currentChar; + while (true) { + if (ch === -1) { + return null; + } + if (comment) { + if (ch === 0x0A || ch === 0x0D) { + comment = false; + } + } else if (ch === 0x25) { + // '%' + comment = true; + } else if (!isSpace(ch)) { + break; + } + ch = this.nextChar(); + } + if (isSpecial(ch)) { + this.nextChar(); + return String.fromCharCode(ch); + } + var token = ''; + do { + token += String.fromCharCode(ch); + ch = this.nextChar(); + } while (ch >= 0 && !isSpace(ch) && !isSpecial(ch)); + return token; + }, + /* + * Returns an object containing a Subrs array and a CharStrings + * array extracted from and eexec encrypted block of data + */ + extractFontProgram: function Type1Parser_extractFontProgram() { + var stream = this.stream; + var subrs = [], charstrings = []; + var privateData = Object.create(null); + privateData['lenIV'] = 4; + var program = { + subrs: [], + charstrings: [], + properties: { 'privateData': privateData } + }; + var token, length, data, lenIV, encoded; + while ((token = this.getToken()) !== null) { + if (token !== '/') { + continue; + } + token = this.getToken(); + switch (token) { + case 'CharStrings': + // The number immediately following CharStrings must be greater or + // equal to the number of CharStrings. + this.getToken(); + this.getToken(); + // read in 'dict' + this.getToken(); + // read in 'dup' + this.getToken(); + // read in 'begin' + while (true) { + token = this.getToken(); + if (token === null || token === 'end') { + break; + } + if (token !== '/') { + continue; + } + var glyph = this.getToken(); + length = this.readInt(); + this.getToken(); + // read in 'RD' or '-|' + data = stream.makeSubStream(stream.pos, length); + lenIV = program.properties.privateData['lenIV']; + encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); + // Skip past the required space and binary data. + stream.skip(length); + this.nextChar(); + token = this.getToken(); + // read in 'ND' or '|-' + if (token === 'noaccess') { + this.getToken(); + } + // read in 'def' + charstrings.push({ + glyph: glyph, + encoded: encoded + }); + } + break; + case 'Subrs': + var num = this.readInt(); + this.getToken(); + // read in 'array' + while ((token = this.getToken()) === 'dup') { + var index = this.readInt(); + length = this.readInt(); + this.getToken(); + // read in 'RD' or '-|' + data = stream.makeSubStream(stream.pos, length); + lenIV = program.properties.privateData['lenIV']; + encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); + // Skip past the required space and binary data. + stream.skip(length); + this.nextChar(); + token = this.getToken(); + // read in 'NP' or '|' + if (token === 'noaccess') { + this.getToken(); + } + // read in 'put' + subrs[index] = encoded; + } + break; + case 'BlueValues': + case 'OtherBlues': + case 'FamilyBlues': + case 'FamilyOtherBlues': + var blueArray = this.readNumberArray(); + // *Blue* values may contain invalid data: disables reading of + // those values when hinting is disabled. + if (blueArray.length > 0 && blueArray.length % 2 === 0 && HINTING_ENABLED) { + program.properties.privateData[token] = blueArray; + } + break; + case 'StemSnapH': + case 'StemSnapV': + program.properties.privateData[token] = this.readNumberArray(); + break; + case 'StdHW': + case 'StdVW': + program.properties.privateData[token] = this.readNumberArray()[0]; + break; + case 'BlueShift': + case 'lenIV': + case 'BlueFuzz': + case 'BlueScale': + case 'LanguageGroup': + case 'ExpansionFactor': + program.properties.privateData[token] = this.readNumber(); + break; + case 'ForceBold': + program.properties.privateData[token] = this.readBoolean(); + break; + } + } + for (var i = 0; i < charstrings.length; i++) { + glyph = charstrings[i].glyph; + encoded = charstrings[i].encoded; + var charString = new Type1CharString(); + var error = charString.convert(encoded, subrs, this.seacAnalysisEnabled); + var output = charString.output; + if (error) { + // It seems when FreeType encounters an error while evaluating a glyph + // that it completely ignores the glyph so we'll mimic that behaviour + // here and put an endchar to make the validator happy. + output = [14]; + } + program.charstrings.push({ + glyphName: glyph, + charstring: output, + width: charString.width, + lsb: charString.lsb, + seac: charString.seac + }); + } + return program; + }, + extractFontHeader: function Type1Parser_extractFontHeader(properties) { + var token; + while ((token = this.getToken()) !== null) { + if (token !== '/') { + continue; + } + token = this.getToken(); + switch (token) { + case 'FontMatrix': + var matrix = this.readNumberArray(); + properties.fontMatrix = matrix; + break; + case 'Encoding': + var encodingArg = this.getToken(); + var encoding; + if (!/^\d+$/.test(encodingArg)) { + // encoding name is specified + encoding = getEncoding(encodingArg); + } else { + encoding = []; + var size = parseInt(encodingArg, 10) | 0; + this.getToken(); + // read in 'array' + for (var j = 0; j < size; j++) { + token = this.getToken(); + // skipping till first dup or def (e.g. ignoring for statement) + while (token !== 'dup' && token !== 'def') { + token = this.getToken(); + if (token === null) { + return; + } + } + // invalid header + if (token === 'def') { + break; + } + // read all array data + var index = this.readInt(); + this.getToken(); + // read in '/' + var glyph = this.getToken(); + encoding[index] = glyph; + this.getToken(); + } + } + // read the in 'put' + properties.builtInEncoding = encoding; + break; + case 'FontBBox': + var fontBBox = this.readNumberArray(); + // adjusting ascent/descent + properties.ascent = fontBBox[3]; + properties.descent = fontBBox[1]; + properties.ascentScaled = true; + break; + } + } + } + }; + return Type1Parser; + }(); + exports.Type1Parser = Type1Parser; + })); + (function (root, factory) { + factory(root.pdfjsCoreCMap = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser); + }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser) { + var Util = sharedUtil.Util; + var assert = sharedUtil.assert; + var warn = sharedUtil.warn; + var error = sharedUtil.error; + var isInt = sharedUtil.isInt; + var isString = sharedUtil.isString; + var MissingDataException = sharedUtil.MissingDataException; + var isName = corePrimitives.isName; + var isCmd = corePrimitives.isCmd; + var isStream = corePrimitives.isStream; + var StringStream = coreStream.StringStream; + var Lexer = coreParser.Lexer; + var isEOF = coreParser.isEOF; + var BUILT_IN_CMAPS = [ + // << Start unicode maps. + 'Adobe-GB1-UCS2', + 'Adobe-CNS1-UCS2', + 'Adobe-Japan1-UCS2', + 'Adobe-Korea1-UCS2', + // >> End unicode maps. + '78-EUC-H', + '78-EUC-V', + '78-H', + '78-RKSJ-H', + '78-RKSJ-V', + '78-V', + '78ms-RKSJ-H', + '78ms-RKSJ-V', + '83pv-RKSJ-H', + '90ms-RKSJ-H', + '90ms-RKSJ-V', + '90msp-RKSJ-H', + '90msp-RKSJ-V', + '90pv-RKSJ-H', + '90pv-RKSJ-V', + 'Add-H', + 'Add-RKSJ-H', + 'Add-RKSJ-V', + 'Add-V', + 'Adobe-CNS1-0', + 'Adobe-CNS1-1', + 'Adobe-CNS1-2', + 'Adobe-CNS1-3', + 'Adobe-CNS1-4', + 'Adobe-CNS1-5', + 'Adobe-CNS1-6', + 'Adobe-GB1-0', + 'Adobe-GB1-1', + 'Adobe-GB1-2', + 'Adobe-GB1-3', + 'Adobe-GB1-4', + 'Adobe-GB1-5', + 'Adobe-Japan1-0', + 'Adobe-Japan1-1', + 'Adobe-Japan1-2', + 'Adobe-Japan1-3', + 'Adobe-Japan1-4', + 'Adobe-Japan1-5', + 'Adobe-Japan1-6', + 'Adobe-Korea1-0', + 'Adobe-Korea1-1', + 'Adobe-Korea1-2', + 'B5-H', + 'B5-V', + 'B5pc-H', + 'B5pc-V', + 'CNS-EUC-H', + 'CNS-EUC-V', + 'CNS1-H', + 'CNS1-V', + 'CNS2-H', + 'CNS2-V', + 'ETHK-B5-H', + 'ETHK-B5-V', + 'ETen-B5-H', + 'ETen-B5-V', + 'ETenms-B5-H', + 'ETenms-B5-V', + 'EUC-H', + 'EUC-V', + 'Ext-H', + 'Ext-RKSJ-H', + 'Ext-RKSJ-V', + 'Ext-V', + 'GB-EUC-H', + 'GB-EUC-V', + 'GB-H', + 'GB-V', + 'GBK-EUC-H', + 'GBK-EUC-V', + 'GBK2K-H', + 'GBK2K-V', + 'GBKp-EUC-H', + 'GBKp-EUC-V', + 'GBT-EUC-H', + 'GBT-EUC-V', + 'GBT-H', + 'GBT-V', + 'GBTpc-EUC-H', + 'GBTpc-EUC-V', + 'GBpc-EUC-H', + 'GBpc-EUC-V', + 'H', + 'HKdla-B5-H', + 'HKdla-B5-V', + 'HKdlb-B5-H', + 'HKdlb-B5-V', + 'HKgccs-B5-H', + 'HKgccs-B5-V', + 'HKm314-B5-H', + 'HKm314-B5-V', + 'HKm471-B5-H', + 'HKm471-B5-V', + 'HKscs-B5-H', + 'HKscs-B5-V', + 'Hankaku', + 'Hiragana', + 'KSC-EUC-H', + 'KSC-EUC-V', + 'KSC-H', + 'KSC-Johab-H', + 'KSC-Johab-V', + 'KSC-V', + 'KSCms-UHC-H', + 'KSCms-UHC-HW-H', + 'KSCms-UHC-HW-V', + 'KSCms-UHC-V', + 'KSCpc-EUC-H', + 'KSCpc-EUC-V', + 'Katakana', + 'NWP-H', + 'NWP-V', + 'RKSJ-H', + 'RKSJ-V', + 'Roman', + 'UniCNS-UCS2-H', + 'UniCNS-UCS2-V', + 'UniCNS-UTF16-H', + 'UniCNS-UTF16-V', + 'UniCNS-UTF32-H', + 'UniCNS-UTF32-V', + 'UniCNS-UTF8-H', + 'UniCNS-UTF8-V', + 'UniGB-UCS2-H', + 'UniGB-UCS2-V', + 'UniGB-UTF16-H', + 'UniGB-UTF16-V', + 'UniGB-UTF32-H', + 'UniGB-UTF32-V', + 'UniGB-UTF8-H', + 'UniGB-UTF8-V', + 'UniJIS-UCS2-H', + 'UniJIS-UCS2-HW-H', + 'UniJIS-UCS2-HW-V', + 'UniJIS-UCS2-V', + 'UniJIS-UTF16-H', + 'UniJIS-UTF16-V', + 'UniJIS-UTF32-H', + 'UniJIS-UTF32-V', + 'UniJIS-UTF8-H', + 'UniJIS-UTF8-V', + 'UniJIS2004-UTF16-H', + 'UniJIS2004-UTF16-V', + 'UniJIS2004-UTF32-H', + 'UniJIS2004-UTF32-V', + 'UniJIS2004-UTF8-H', + 'UniJIS2004-UTF8-V', + 'UniJISPro-UCS2-HW-V', + 'UniJISPro-UCS2-V', + 'UniJISPro-UTF8-V', + 'UniJISX0213-UTF32-H', + 'UniJISX0213-UTF32-V', + 'UniJISX02132004-UTF32-H', + 'UniJISX02132004-UTF32-V', + 'UniKS-UCS2-H', + 'UniKS-UCS2-V', + 'UniKS-UTF16-H', + 'UniKS-UTF16-V', + 'UniKS-UTF32-H', + 'UniKS-UTF32-V', + 'UniKS-UTF8-H', + 'UniKS-UTF8-V', + 'V', + 'WP-Symbol' + ]; + // CMap, not to be confused with TrueType's cmap. + var CMap = function CMapClosure() { + function CMap(builtInCMap) { + // Codespace ranges are stored as follows: + // [[1BytePairs], [2BytePairs], [3BytePairs], [4BytePairs]] + // where nBytePairs are ranges e.g. [low1, high1, low2, high2, ...] + this.codespaceRanges = [ + [], + [], + [], + [] + ]; + this.numCodespaceRanges = 0; + // Map entries have one of two forms. + // - cid chars are 16-bit unsigned integers, stored as integers. + // - bf chars are variable-length byte sequences, stored as strings, with + // one byte per character. + this._map = []; + this.name = ''; + this.vertical = false; + this.useCMap = null; + this.builtInCMap = builtInCMap; + } + CMap.prototype = { + addCodespaceRange: function (n, low, high) { + this.codespaceRanges[n - 1].push(low, high); + this.numCodespaceRanges++; + }, + mapCidRange: function (low, high, dstLow) { + while (low <= high) { + this._map[low++] = dstLow++; + } + }, + mapBfRange: function (low, high, dstLow) { + var lastByte = dstLow.length - 1; + while (low <= high) { + this._map[low++] = dstLow; + // Only the last byte has to be incremented. + dstLow = dstLow.substr(0, lastByte) + String.fromCharCode(dstLow.charCodeAt(lastByte) + 1); + } + }, + mapBfRangeToArray: function (low, high, array) { + var i = 0, ii = array.length; + while (low <= high && i < ii) { + this._map[low] = array[i++]; + ++low; + } + }, + // This is used for both bf and cid chars. + mapOne: function (src, dst) { + this._map[src] = dst; + }, + lookup: function (code) { + return this._map[code]; + }, + contains: function (code) { + return this._map[code] !== undefined; + }, + forEach: function (callback) { + // Most maps have fewer than 65536 entries, and for those we use normal + // array iteration. But really sparse tables are possible -- e.g. with + // indices in the *billions*. For such tables we use for..in, which isn't + // ideal because it stringifies the indices for all present elements, but + // it does avoid iterating over every undefined entry. + var map = this._map; + var length = map.length; + var i; + if (length <= 0x10000) { + for (i = 0; i < length; i++) { + if (map[i] !== undefined) { + callback(i, map[i]); + } + } + } else { + for (i in this._map) { + callback(i, map[i]); + } + } + }, + charCodeOf: function (value) { + return this._map.indexOf(value); + }, + getMap: function () { + return this._map; + }, + readCharCode: function (str, offset, out) { + var c = 0; + var codespaceRanges = this.codespaceRanges; + var codespaceRangesLen = this.codespaceRanges.length; + // 9.7.6.2 CMap Mapping + // The code length is at most 4. + for (var n = 0; n < codespaceRangesLen; n++) { + c = (c << 8 | str.charCodeAt(offset + n)) >>> 0; + // Check each codespace range to see if it falls within. + var codespaceRange = codespaceRanges[n]; + for (var k = 0, kk = codespaceRange.length; k < kk;) { + var low = codespaceRange[k++]; + var high = codespaceRange[k++]; + if (c >= low && c <= high) { + out.charcode = c; + out.length = n + 1; + return; + } + } + } + out.charcode = 0; + out.length = 1; + }, + get length() { + return this._map.length; + }, + get isIdentityCMap() { + if (!(this.name === 'Identity-H' || this.name === 'Identity-V')) { + return false; + } + if (this._map.length !== 0x10000) { + return false; + } + for (var i = 0; i < 0x10000; i++) { + if (this._map[i] !== i) { + return false; + } + } + return true; + } + }; + return CMap; + }(); + // A special case of CMap, where the _map array implicitly has a length of + // 65536 and each element is equal to its index. + var IdentityCMap = function IdentityCMapClosure() { + function IdentityCMap(vertical, n) { + CMap.call(this); + this.vertical = vertical; + this.addCodespaceRange(n, 0, 0xffff); + } + Util.inherit(IdentityCMap, CMap, {}); + IdentityCMap.prototype = { + addCodespaceRange: CMap.prototype.addCodespaceRange, + mapCidRange: function (low, high, dstLow) { + error('should not call mapCidRange'); + }, + mapBfRange: function (low, high, dstLow) { + error('should not call mapBfRange'); + }, + mapBfRangeToArray: function (low, high, array) { + error('should not call mapBfRangeToArray'); + }, + mapOne: function (src, dst) { + error('should not call mapCidOne'); + }, + lookup: function (code) { + return isInt(code) && code <= 0xffff ? code : undefined; + }, + contains: function (code) { + return isInt(code) && code <= 0xffff; + }, + forEach: function (callback) { + for (var i = 0; i <= 0xffff; i++) { + callback(i, i); + } + }, + charCodeOf: function (value) { + return isInt(value) && value <= 0xffff ? value : -1; + }, + getMap: function () { + // Sometimes identity maps must be instantiated, but it's rare. + var map = new Array(0x10000); + for (var i = 0; i <= 0xffff; i++) { + map[i] = i; + } + return map; + }, + readCharCode: CMap.prototype.readCharCode, + get length() { + return 0x10000; + }, + get isIdentityCMap() { + error('should not access .isIdentityCMap'); + } + }; + return IdentityCMap; + }(); + var BinaryCMapReader = function BinaryCMapReaderClosure() { + function fetchBinaryData(url) { + return new Promise(function (resolve, reject) { + var request = new XMLHttpRequest(); + request.open('GET', url, true); + request.responseType = 'arraybuffer'; + request.onreadystatechange = function () { + if (request.readyState === XMLHttpRequest.DONE) { + if (!request.response || request.status !== 200 && request.status !== 0) { + reject(new Error('Unable to get binary cMap at: ' + url)); + } else { + resolve(new Uint8Array(request.response)); + } + } + }; + request.send(null); + }); + } + function hexToInt(a, size) { + var n = 0; + for (var i = 0; i <= size; i++) { + n = n << 8 | a[i]; + } + return n >>> 0; + } + function hexToStr(a, size) { + // This code is hot. Special-case some common values to avoid creating an + // object with subarray(). + if (size === 1) { + return String.fromCharCode(a[0], a[1]); + } + if (size === 3) { + return String.fromCharCode(a[0], a[1], a[2], a[3]); + } + return String.fromCharCode.apply(null, a.subarray(0, size + 1)); + } + function addHex(a, b, size) { + var c = 0; + for (var i = size; i >= 0; i--) { + c += a[i] + b[i]; + a[i] = c & 255; + c >>= 8; + } + } + function incHex(a, size) { + var c = 1; + for (var i = size; i >= 0 && c > 0; i--) { + c += a[i]; + a[i] = c & 255; + c >>= 8; + } + } + var MAX_NUM_SIZE = 16; + var MAX_ENCODED_NUM_SIZE = 19; + // ceil(MAX_NUM_SIZE * 7 / 8) + function BinaryCMapStream(data) { + this.buffer = data; + this.pos = 0; + this.end = data.length; + this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE); + } + BinaryCMapStream.prototype = { + readByte: function () { + if (this.pos >= this.end) { + return -1; + } + return this.buffer[this.pos++]; + }, + readNumber: function () { + var n = 0; + var last; + do { + var b = this.readByte(); + if (b < 0) { + error('unexpected EOF in bcmap'); + } + last = !(b & 0x80); + n = n << 7 | b & 0x7F; + } while (!last); + return n; + }, + readSigned: function () { + var n = this.readNumber(); + return n & 1 ? ~(n >>> 1) : n >>> 1; + }, + readHex: function (num, size) { + num.set(this.buffer.subarray(this.pos, this.pos + size + 1)); + this.pos += size + 1; + }, + readHexNumber: function (num, size) { + var last; + var stack = this.tmpBuf, sp = 0; + do { + var b = this.readByte(); + if (b < 0) { + error('unexpected EOF in bcmap'); + } + last = !(b & 0x80); + stack[sp++] = b & 0x7F; + } while (!last); + var i = size, buffer = 0, bufferSize = 0; + while (i >= 0) { + while (bufferSize < 8 && stack.length > 0) { + buffer = stack[--sp] << bufferSize | buffer; + bufferSize += 7; + } + num[i] = buffer & 255; + i--; + buffer >>= 8; + bufferSize -= 8; + } + }, + readHexSigned: function (num, size) { + this.readHexNumber(num, size); + var sign = num[size] & 1 ? 255 : 0; + var c = 0; + for (var i = 0; i <= size; i++) { + c = (c & 1) << 8 | num[i]; + num[i] = c >> 1 ^ sign; + } + }, + readString: function () { + var len = this.readNumber(); + var s = ''; + for (var i = 0; i < len; i++) { + s += String.fromCharCode(this.readNumber()); + } + return s; + } + }; + function processBinaryCMap(url, cMap, extend) { + return fetchBinaryData(url).then(function (data) { + var stream = new BinaryCMapStream(data); + var header = stream.readByte(); + cMap.vertical = !!(header & 1); + var useCMap = null; + var start = new Uint8Array(MAX_NUM_SIZE); + var end = new Uint8Array(MAX_NUM_SIZE); + var char = new Uint8Array(MAX_NUM_SIZE); + var charCode = new Uint8Array(MAX_NUM_SIZE); + var tmp = new Uint8Array(MAX_NUM_SIZE); + var code; + var b; + while ((b = stream.readByte()) >= 0) { + var type = b >> 5; + if (type === 7) { + // metadata, e.g. comment or usecmap + switch (b & 0x1F) { + case 0: + stream.readString(); + // skipping comment + break; + case 1: + useCMap = stream.readString(); + break; + } + continue; + } + var sequence = !!(b & 0x10); + var dataSize = b & 15; + assert(dataSize + 1 <= MAX_NUM_SIZE); + var ucs2DataSize = 1; + var subitemsCount = stream.readNumber(); + var i; + switch (type) { + case 0: + // codespacerange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), hexToInt(end, dataSize)); + } + break; + case 1: + // notdefrange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + // undefined range, skipping + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + } + // nop + break; + case 2: + // cidchar + stream.readHex(char, dataSize); + code = stream.readNumber(); + cMap.mapOne(hexToInt(char, dataSize), code); + for (i = 1; i < subitemsCount; i++) { + incHex(char, dataSize); + if (!sequence) { + stream.readHexNumber(tmp, dataSize); + addHex(char, tmp, dataSize); + } + code = stream.readSigned() + (code + 1); + cMap.mapOne(hexToInt(char, dataSize), code); + } + break; + case 3: + // cidrange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code); + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + if (!sequence) { + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + } else { + start.set(end); + } + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), code); + } + break; + case 4: + // bfchar + stream.readHex(char, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(char, ucs2DataSize); + if (!sequence) { + stream.readHexNumber(tmp, ucs2DataSize); + addHex(char, tmp, ucs2DataSize); + } + incHex(charCode, dataSize); + stream.readHexSigned(tmp, dataSize); + addHex(charCode, tmp, dataSize); + cMap.mapOne(hexToInt(char, ucs2DataSize), hexToStr(charCode, dataSize)); + } + break; + case 5: + // bfrange + stream.readHex(start, ucs2DataSize); + stream.readHexNumber(end, ucs2DataSize); + addHex(end, start, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(end, ucs2DataSize); + if (!sequence) { + stream.readHexNumber(start, ucs2DataSize); + addHex(start, end, ucs2DataSize); + } else { + start.set(end); + } + stream.readHexNumber(end, ucs2DataSize); + addHex(end, start, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapBfRange(hexToInt(start, ucs2DataSize), hexToInt(end, ucs2DataSize), hexToStr(charCode, dataSize)); + } + break; + default: + error('Unknown type: ' + type); + break; + } + } + if (useCMap) { + return extend(useCMap); + } + return cMap; + }); + } + function BinaryCMapReader() { + } + BinaryCMapReader.prototype = { read: processBinaryCMap }; + return BinaryCMapReader; + }(); + var CMapFactory = function CMapFactoryClosure() { + function strToInt(str) { + var a = 0; + for (var i = 0; i < str.length; i++) { + a = a << 8 | str.charCodeAt(i); + } + return a >>> 0; + } + function expectString(obj) { + if (!isString(obj)) { + error('Malformed CMap: expected string.'); + } + } + function expectInt(obj) { + if (!isInt(obj)) { + error('Malformed CMap: expected int.'); + } + } + function parseBfChar(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endbfchar')) { + return; + } + expectString(obj); + var src = strToInt(obj); + obj = lexer.getObj(); + // TODO are /dstName used? + expectString(obj); + var dst = obj; + cMap.mapOne(src, dst); + } + } + function parseBfRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endbfrange')) { + return; + } + expectString(obj); + var low = strToInt(obj); + obj = lexer.getObj(); + expectString(obj); + var high = strToInt(obj); + obj = lexer.getObj(); + if (isInt(obj) || isString(obj)) { + var dstLow = isInt(obj) ? String.fromCharCode(obj) : obj; + cMap.mapBfRange(low, high, dstLow); + } else if (isCmd(obj, '[')) { + obj = lexer.getObj(); + var array = []; + while (!isCmd(obj, ']') && !isEOF(obj)) { + array.push(obj); + obj = lexer.getObj(); + } + cMap.mapBfRangeToArray(low, high, array); + } else { + break; + } + } + error('Invalid bf range.'); + } + function parseCidChar(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcidchar')) { + return; + } + expectString(obj); + var src = strToInt(obj); + obj = lexer.getObj(); + expectInt(obj); + var dst = obj; + cMap.mapOne(src, dst); + } + } + function parseCidRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcidrange')) { + return; + } + expectString(obj); + var low = strToInt(obj); + obj = lexer.getObj(); + expectString(obj); + var high = strToInt(obj); + obj = lexer.getObj(); + expectInt(obj); + var dstLow = obj; + cMap.mapCidRange(low, high, dstLow); + } + } + function parseCodespaceRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcodespacerange')) { + return; + } + if (!isString(obj)) { + break; + } + var low = strToInt(obj); + obj = lexer.getObj(); + if (!isString(obj)) { + break; + } + var high = strToInt(obj); + cMap.addCodespaceRange(obj.length, low, high); + } + error('Invalid codespace range.'); + } + function parseWMode(cMap, lexer) { + var obj = lexer.getObj(); + if (isInt(obj)) { + cMap.vertical = !!obj; + } + } + function parseCMapName(cMap, lexer) { + var obj = lexer.getObj(); + if (isName(obj) && isString(obj.name)) { + cMap.name = obj.name; + } + } + function parseCMap(cMap, lexer, builtInCMapParams, useCMap) { + var previous; + var embededUseCMap; + objLoop: + while (true) { + try { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } else if (isName(obj)) { + if (obj.name === 'WMode') { + parseWMode(cMap, lexer); + } else if (obj.name === 'CMapName') { + parseCMapName(cMap, lexer); + } + previous = obj; + } else if (isCmd(obj)) { + switch (obj.cmd) { + case 'endcmap': + break objLoop; + case 'usecmap': + if (isName(previous)) { + embededUseCMap = previous.name; + } + break; + case 'begincodespacerange': + parseCodespaceRange(cMap, lexer); + break; + case 'beginbfchar': + parseBfChar(cMap, lexer); + break; + case 'begincidchar': + parseCidChar(cMap, lexer); + break; + case 'beginbfrange': + parseBfRange(cMap, lexer); + break; + case 'begincidrange': + parseCidRange(cMap, lexer); + break; + } + } + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Invalid cMap data: ' + ex); + continue; + } + } + if (!useCMap && embededUseCMap) { + // Load the usecmap definition from the file only if there wasn't one + // specified. + useCMap = embededUseCMap; + } + if (useCMap) { + return extendCMap(cMap, builtInCMapParams, useCMap); + } + return Promise.resolve(cMap); + } + function extendCMap(cMap, builtInCMapParams, useCMap) { + return createBuiltInCMap(useCMap, builtInCMapParams).then(function (newCMap) { + cMap.useCMap = newCMap; + // If there aren't any code space ranges defined clone all the parent ones + // into this cMap. + if (cMap.numCodespaceRanges === 0) { + var useCodespaceRanges = cMap.useCMap.codespaceRanges; + for (var i = 0; i < useCodespaceRanges.length; i++) { + cMap.codespaceRanges[i] = useCodespaceRanges[i].slice(); + } + cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges; + } + // Merge the map into the current one, making sure not to override + // any previously defined entries. + cMap.useCMap.forEach(function (key, value) { + if (!cMap.contains(key)) { + cMap.mapOne(key, cMap.useCMap.lookup(key)); + } + }); + return cMap; + }); + } + function parseBinaryCMap(name, builtInCMapParams) { + var url = builtInCMapParams.url + name + '.bcmap'; + var cMap = new CMap(true); + return new BinaryCMapReader().read(url, cMap, function (useCMap) { + return extendCMap(cMap, builtInCMapParams, useCMap); + }); + } + function createBuiltInCMap(name, builtInCMapParams) { + if (name === 'Identity-H') { + return Promise.resolve(new IdentityCMap(false, 2)); + } else if (name === 'Identity-V') { + return Promise.resolve(new IdentityCMap(true, 2)); + } + if (BUILT_IN_CMAPS.indexOf(name) === -1) { + return Promise.reject(new Error('Unknown cMap name: ' + name)); + } + assert(builtInCMapParams, 'built-in cMap parameters are not provided'); + if (builtInCMapParams.packed) { + return parseBinaryCMap(name, builtInCMapParams); + } + return new Promise(function (resolve, reject) { + var url = builtInCMapParams.url + name; + var request = new XMLHttpRequest(); + request.onreadystatechange = function () { + if (request.readyState === XMLHttpRequest.DONE) { + if (request.status === 200 || request.status === 0) { + var cMap = new CMap(true); + var lexer = new Lexer(new StringStream(request.responseText)); + parseCMap(cMap, lexer, builtInCMapParams, null).then(function (parsedCMap) { + resolve(parsedCMap); + }); + } else { + reject(new Error('Unable to get cMap at: ' + url)); + } + } + }; + request.open('GET', url, true); + request.send(null); + }); + } + return { + create: function (encoding, builtInCMapParams, useCMap) { + if (isName(encoding)) { + return createBuiltInCMap(encoding.name, builtInCMapParams); + } else if (isStream(encoding)) { + var cMap = new CMap(); + var lexer = new Lexer(encoding); + return parseCMap(cMap, lexer, builtInCMapParams, useCMap).then(function (parsedCMap) { + if (parsedCMap.isIdentityCMap) { + return createBuiltInCMap(parsedCMap.name, builtInCMapParams); + } + return parsedCMap; + }); + } + return Promise.reject(new Error('Encoding required.')); + } + }; + }(); + exports.CMap = CMap; + exports.CMapFactory = CMapFactory; + exports.IdentityCMap = IdentityCMap; + })); + (function (root, factory) { + factory(root.pdfjsCoreFonts = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreGlyphList, root.pdfjsCoreFontRenderer, root.pdfjsCoreEncodings, root.pdfjsCoreStandardFonts, root.pdfjsCoreUnicode, root.pdfjsCoreType1Parser, root.pdfjsCoreCFFParser); + }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreGlyphList, coreFontRenderer, coreEncodings, coreStandardFonts, coreUnicode, coreType1Parser, coreCFFParser) { + var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; + var FontType = sharedUtil.FontType; + var assert = sharedUtil.assert; + var bytesToString = sharedUtil.bytesToString; + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var isInt = sharedUtil.isInt; + var isNum = sharedUtil.isNum; + var readUint32 = sharedUtil.readUint32; + var shadow = sharedUtil.shadow; + var string32 = sharedUtil.string32; + var warn = sharedUtil.warn; + var MissingDataException = sharedUtil.MissingDataException; + var isSpace = sharedUtil.isSpace; + var Stream = coreStream.Stream; + var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode; + var getDingbatsGlyphsUnicode = coreGlyphList.getDingbatsGlyphsUnicode; + var FontRendererFactory = coreFontRenderer.FontRendererFactory; + var StandardEncoding = coreEncodings.StandardEncoding; + var MacRomanEncoding = coreEncodings.MacRomanEncoding; + var SymbolSetEncoding = coreEncodings.SymbolSetEncoding; + var ZapfDingbatsEncoding = coreEncodings.ZapfDingbatsEncoding; + var getEncoding = coreEncodings.getEncoding; + var getStdFontMap = coreStandardFonts.getStdFontMap; + var getNonStdFontMap = coreStandardFonts.getNonStdFontMap; + var getGlyphMapForStandardFonts = coreStandardFonts.getGlyphMapForStandardFonts; + var getSupplementalGlyphMapForArialBlack = coreStandardFonts.getSupplementalGlyphMapForArialBlack; + var getUnicodeRangeFor = coreUnicode.getUnicodeRangeFor; + var mapSpecialUnicodeValues = coreUnicode.mapSpecialUnicodeValues; + var getUnicodeForGlyph = coreUnicode.getUnicodeForGlyph; + var Type1Parser = coreType1Parser.Type1Parser; + var CFFStandardStrings = coreCFFParser.CFFStandardStrings; + var CFFParser = coreCFFParser.CFFParser; + var CFFCompiler = coreCFFParser.CFFCompiler; + var CFF = coreCFFParser.CFF; + var CFFHeader = coreCFFParser.CFFHeader; + var CFFTopDict = coreCFFParser.CFFTopDict; + var CFFPrivateDict = coreCFFParser.CFFPrivateDict; + var CFFStrings = coreCFFParser.CFFStrings; + var CFFIndex = coreCFFParser.CFFIndex; + var CFFCharset = coreCFFParser.CFFCharset; + // Unicode Private Use Area + var PRIVATE_USE_OFFSET_START = 0xE000; + var PRIVATE_USE_OFFSET_END = 0xF8FF; + var SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = false; + // PDF Glyph Space Units are one Thousandth of a TextSpace Unit + // except for Type 3 fonts + var PDF_GLYPH_SPACE_UNITS = 1000; + // Accented charactars are not displayed properly on Windows, using this flag + // to control analysis of seac charstrings. + var SEAC_ANALYSIS_ENABLED = false; + var FontFlags = { + FixedPitch: 1, + Serif: 2, + Symbolic: 4, + Script: 8, + Nonsymbolic: 32, + Italic: 64, + AllCap: 65536, + SmallCap: 131072, + ForceBold: 262144 + }; + var MacStandardGlyphOrdering = [ + '.notdef', + '.null', + 'nonmarkingreturn', + 'space', + 'exclam', + 'quotedbl', + 'numbersign', + 'dollar', + 'percent', + 'ampersand', + 'quotesingle', + 'parenleft', + 'parenright', + 'asterisk', + 'plus', + 'comma', + 'hyphen', + 'period', + 'slash', + 'zero', + 'one', + 'two', + 'three', + 'four', + 'five', + 'six', + 'seven', + 'eight', + 'nine', + 'colon', + 'semicolon', + 'less', + 'equal', + 'greater', + 'question', + 'at', + 'A', + 'B', + 'C', + 'D', + 'E', + 'F', + 'G', + 'H', + 'I', + 'J', + 'K', + 'L', + 'M', + 'N', + 'O', + 'P', + 'Q', + 'R', + 'S', + 'T', + 'U', + 'V', + 'W', + 'X', + 'Y', + 'Z', + 'bracketleft', + 'backslash', + 'bracketright', + 'asciicircum', + 'underscore', + 'grave', + 'a', + 'b', + 'c', + 'd', + 'e', + 'f', + 'g', + 'h', + 'i', + 'j', + 'k', + 'l', + 'm', + 'n', + 'o', + 'p', + 'q', + 'r', + 's', + 't', + 'u', + 'v', + 'w', + 'x', + 'y', + 'z', + 'braceleft', + 'bar', + 'braceright', + 'asciitilde', + 'Adieresis', + 'Aring', + 'Ccedilla', + 'Eacute', + 'Ntilde', + 'Odieresis', + 'Udieresis', + 'aacute', + 'agrave', + 'acircumflex', + 'adieresis', + 'atilde', + 'aring', + 'ccedilla', + 'eacute', + 'egrave', + 'ecircumflex', + 'edieresis', + 'iacute', + 'igrave', + 'icircumflex', + 'idieresis', + 'ntilde', + 'oacute', + 'ograve', + 'ocircumflex', + 'odieresis', + 'otilde', + 'uacute', + 'ugrave', + 'ucircumflex', + 'udieresis', + 'dagger', + 'degree', + 'cent', + 'sterling', + 'section', + 'bullet', + 'paragraph', + 'germandbls', + 'registered', + 'copyright', + 'trademark', + 'acute', + 'dieresis', + 'notequal', + 'AE', + 'Oslash', + 'infinity', + 'plusminus', + 'lessequal', + 'greaterequal', + 'yen', + 'mu', + 'partialdiff', + 'summation', + 'product', + 'pi', + 'integral', + 'ordfeminine', + 'ordmasculine', + 'Omega', + 'ae', + 'oslash', + 'questiondown', + 'exclamdown', + 'logicalnot', + 'radical', + 'florin', + 'approxequal', + 'Delta', + 'guillemotleft', + 'guillemotright', + 'ellipsis', + 'nonbreakingspace', + 'Agrave', + 'Atilde', + 'Otilde', + 'OE', + 'oe', + 'endash', + 'emdash', + 'quotedblleft', + 'quotedblright', + 'quoteleft', + 'quoteright', + 'divide', + 'lozenge', + 'ydieresis', + 'Ydieresis', + 'fraction', + 'currency', + 'guilsinglleft', + 'guilsinglright', + 'fi', + 'fl', + 'daggerdbl', + 'periodcentered', + 'quotesinglbase', + 'quotedblbase', + 'perthousand', + 'Acircumflex', + 'Ecircumflex', + 'Aacute', + 'Edieresis', + 'Egrave', + 'Iacute', + 'Icircumflex', + 'Idieresis', + 'Igrave', + 'Oacute', + 'Ocircumflex', + 'apple', + 'Ograve', + 'Uacute', + 'Ucircumflex', + 'Ugrave', + 'dotlessi', + 'circumflex', + 'tilde', + 'macron', + 'breve', + 'dotaccent', + 'ring', + 'cedilla', + 'hungarumlaut', + 'ogonek', + 'caron', + 'Lslash', + 'lslash', + 'Scaron', + 'scaron', + 'Zcaron', + 'zcaron', + 'brokenbar', + 'Eth', + 'eth', + 'Yacute', + 'yacute', + 'Thorn', + 'thorn', + 'minus', + 'multiply', + 'onesuperior', + 'twosuperior', + 'threesuperior', + 'onehalf', + 'onequarter', + 'threequarters', + 'franc', + 'Gbreve', + 'gbreve', + 'Idotaccent', + 'Scedilla', + 'scedilla', + 'Cacute', + 'cacute', + 'Ccaron', + 'ccaron', + 'dcroat' + ]; + function adjustWidths(properties) { + if (!properties.fontMatrix) { + return; + } + if (properties.fontMatrix[0] === FONT_IDENTITY_MATRIX[0]) { + return; + } + // adjusting width to fontMatrix scale + var scale = 0.001 / properties.fontMatrix[0]; + var glyphsWidths = properties.widths; + for (var glyph in glyphsWidths) { + glyphsWidths[glyph] *= scale; + } + properties.defaultWidth *= scale; + } + function adjustToUnicode(properties, builtInEncoding) { + if (properties.hasIncludedToUnicodeMap) { + return; + } + // The font dictionary has a `ToUnicode` entry. + if (properties.hasEncoding) { + return; + } + // The font dictionary has an `Encoding` entry. + if (builtInEncoding === properties.defaultEncoding) { + return; + } + // No point in trying to adjust `toUnicode` if the encodings match. + if (properties.toUnicode instanceof IdentityToUnicodeMap) { + return; + } + var toUnicode = [], glyphsUnicodeMap = getGlyphsUnicode(); + for (var charCode in builtInEncoding) { + var glyphName = builtInEncoding[charCode]; + var unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap); + if (unicode !== -1) { + toUnicode[charCode] = String.fromCharCode(unicode); + } + } + properties.toUnicode.amend(toUnicode); + } + function getFontType(type, subtype) { + switch (type) { + case 'Type1': + return subtype === 'Type1C' ? FontType.TYPE1C : FontType.TYPE1; + case 'CIDFontType0': + return subtype === 'CIDFontType0C' ? FontType.CIDFONTTYPE0C : FontType.CIDFONTTYPE0; + case 'OpenType': + return FontType.OPENTYPE; + case 'TrueType': + return FontType.TRUETYPE; + case 'CIDFontType2': + return FontType.CIDFONTTYPE2; + case 'MMType1': + return FontType.MMTYPE1; + case 'Type0': + return FontType.TYPE0; + default: + return FontType.UNKNOWN; + } + } + // Some bad PDF generators, e.g. Scribus PDF, include glyph names + // in a 'uniXXXX' format -- attempting to recover proper ones. + function recoverGlyphName(name, glyphsUnicodeMap) { + if (glyphsUnicodeMap[name] !== undefined) { + return name; + } + // The glyph name is non-standard, trying to recover. + var unicode = getUnicodeForGlyph(name, glyphsUnicodeMap); + if (unicode !== -1) { + for (var key in glyphsUnicodeMap) { + if (glyphsUnicodeMap[key] === unicode) { + return key; + } + } + } + info('Unable to recover a standard glyph name for: ' + name); + return name; + } + var Glyph = function GlyphClosure() { + function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) { + this.fontChar = fontChar; + this.unicode = unicode; + this.accent = accent; + this.width = width; + this.vmetric = vmetric; + this.operatorListId = operatorListId; + this.isSpace = isSpace; + this.isInFont = isInFont; + } + Glyph.prototype.matchesForCache = function (fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) { + return this.fontChar === fontChar && this.unicode === unicode && this.accent === accent && this.width === width && this.vmetric === vmetric && this.operatorListId === operatorListId && this.isSpace === isSpace && this.isInFont === isInFont; + }; + return Glyph; + }(); + var ToUnicodeMap = function ToUnicodeMapClosure() { + function ToUnicodeMap(cmap) { + // The elements of this._map can be integers or strings, depending on how + // |cmap| was created. + this._map = cmap; + } + ToUnicodeMap.prototype = { + get length() { + return this._map.length; + }, + forEach: function (callback) { + for (var charCode in this._map) { + callback(charCode, this._map[charCode].charCodeAt(0)); + } + }, + has: function (i) { + return this._map[i] !== undefined; + }, + get: function (i) { + return this._map[i]; + }, + charCodeOf: function (v) { + return this._map.indexOf(v); + }, + amend: function (map) { + for (var charCode in map) { + this._map[charCode] = map[charCode]; + } + } + }; + return ToUnicodeMap; + }(); + var IdentityToUnicodeMap = function IdentityToUnicodeMapClosure() { + function IdentityToUnicodeMap(firstChar, lastChar) { + this.firstChar = firstChar; + this.lastChar = lastChar; + } + IdentityToUnicodeMap.prototype = { + get length() { + return this.lastChar + 1 - this.firstChar; + }, + forEach: function (callback) { + for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) { + callback(i, i); + } + }, + has: function (i) { + return this.firstChar <= i && i <= this.lastChar; + }, + get: function (i) { + if (this.firstChar <= i && i <= this.lastChar) { + return String.fromCharCode(i); + } + return undefined; + }, + charCodeOf: function (v) { + return isInt(v) && v >= this.firstChar && v <= this.lastChar ? v : -1; + }, + amend: function (map) { + error('Should not call amend()'); + } + }; + return IdentityToUnicodeMap; + }(); + var OpenTypeFileBuilder = function OpenTypeFileBuilderClosure() { + function writeInt16(dest, offset, num) { + dest[offset] = num >> 8 & 0xFF; + dest[offset + 1] = num & 0xFF; + } + function writeInt32(dest, offset, num) { + dest[offset] = num >> 24 & 0xFF; + dest[offset + 1] = num >> 16 & 0xFF; + dest[offset + 2] = num >> 8 & 0xFF; + dest[offset + 3] = num & 0xFF; + } + function writeData(dest, offset, data) { + var i, ii; + if (data instanceof Uint8Array) { + dest.set(data, offset); + } else if (typeof data === 'string') { + for (i = 0, ii = data.length; i < ii; i++) { + dest[offset++] = data.charCodeAt(i) & 0xFF; + } + } else { + // treating everything else as array + for (i = 0, ii = data.length; i < ii; i++) { + dest[offset++] = data[i] & 0xFF; + } + } + } + function OpenTypeFileBuilder(sfnt) { + this.sfnt = sfnt; + this.tables = Object.create(null); + } + OpenTypeFileBuilder.getSearchParams = function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) { + var maxPower2 = 1, log2 = 0; + while ((maxPower2 ^ entriesCount) > maxPower2) { + maxPower2 <<= 1; + log2++; + } + var searchRange = maxPower2 * entrySize; + return { + range: searchRange, + entry: log2, + rangeShift: entrySize * entriesCount - searchRange + }; + }; + var OTF_HEADER_SIZE = 12; + var OTF_TABLE_ENTRY_SIZE = 16; + OpenTypeFileBuilder.prototype = { + toArray: function OpenTypeFileBuilder_toArray() { + var sfnt = this.sfnt; + // Tables needs to be written by ascendant alphabetic order + var tables = this.tables; + var tablesNames = Object.keys(tables); + tablesNames.sort(); + var numTables = tablesNames.length; + var i, j, jj, table, tableName; + // layout the tables data + var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE; + var tableOffsets = [offset]; + for (i = 0; i < numTables; i++) { + table = tables[tablesNames[i]]; + var paddedLength = (table.length + 3 & ~3) >>> 0; + offset += paddedLength; + tableOffsets.push(offset); + } + var file = new Uint8Array(offset); + // write the table data first (mostly for checksum) + for (i = 0; i < numTables; i++) { + table = tables[tablesNames[i]]; + writeData(file, tableOffsets[i], table); + } + // sfnt version (4 bytes) + if (sfnt === 'true') { + // Windows hates the Mac TrueType sfnt version number + sfnt = string32(0x00010000); + } + file[0] = sfnt.charCodeAt(0) & 0xFF; + file[1] = sfnt.charCodeAt(1) & 0xFF; + file[2] = sfnt.charCodeAt(2) & 0xFF; + file[3] = sfnt.charCodeAt(3) & 0xFF; + // numTables (2 bytes) + writeInt16(file, 4, numTables); + var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16); + // searchRange (2 bytes) + writeInt16(file, 6, searchParams.range); + // entrySelector (2 bytes) + writeInt16(file, 8, searchParams.entry); + // rangeShift (2 bytes) + writeInt16(file, 10, searchParams.rangeShift); + offset = OTF_HEADER_SIZE; + // writing table entries + for (i = 0; i < numTables; i++) { + tableName = tablesNames[i]; + file[offset] = tableName.charCodeAt(0) & 0xFF; + file[offset + 1] = tableName.charCodeAt(1) & 0xFF; + file[offset + 2] = tableName.charCodeAt(2) & 0xFF; + file[offset + 3] = tableName.charCodeAt(3) & 0xFF; + // checksum + var checksum = 0; + for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) { + var quad = readUint32(file, j); + checksum = checksum + quad >>> 0; + } + writeInt32(file, offset + 4, checksum); + // offset + writeInt32(file, offset + 8, tableOffsets[i]); + // length + writeInt32(file, offset + 12, tables[tableName].length); + offset += OTF_TABLE_ENTRY_SIZE; + } + return file; + }, + addTable: function OpenTypeFileBuilder_addTable(tag, data) { + if (tag in this.tables) { + throw new Error('Table ' + tag + ' already exists'); + } + this.tables[tag] = data; + } + }; + return OpenTypeFileBuilder; + }(); + // Problematic Unicode characters in the fonts that needs to be moved to avoid + // issues when they are painted on the canvas, e.g. complex-script shaping or + // control/whitespace characters. The ranges are listed in pairs: the first item + // is a code of the first problematic code, the second one is the next + // non-problematic code. The ranges must be in sorted order. + var ProblematicCharRanges = new Int32Array([ + // Control characters. + 0x0000, + 0x0020, + 0x007F, + 0x00A1, + 0x00AD, + 0x00AE, + // Chars that is used in complex-script shaping. + 0x0600, + 0x0780, + 0x08A0, + 0x10A0, + 0x1780, + 0x1800, + 0x1C00, + 0x1C50, + // General punctuation chars. + 0x2000, + 0x2010, + 0x2011, + 0x2012, + 0x2028, + 0x2030, + 0x205F, + 0x2070, + 0x25CC, + 0x25CD, + 0x3000, + 0x3001, + // Chars that is used in complex-script shaping. + 0xAA60, + 0xAA80, + // Specials Unicode block. + 0xFFF0, + 0x10000 + ]); + /** + * 'Font' is the class the outside world should use, it encapsulate all the font + * decoding logics whatever type it is (assuming the font type is supported). + * + * For example to read a Type1 font and to attach it to the document: + * var type1Font = new Font("MyFontName", binaryFile, propertiesObject); + * type1Font.bind(); + */ + var Font = function FontClosure() { + function Font(name, file, properties) { + var charCode, glyphName, unicode; + this.name = name; + this.loadedName = properties.loadedName; + this.isType3Font = properties.isType3Font; + this.sizes = []; + this.missingFile = false; + this.glyphCache = Object.create(null); + var names = name.split('+'); + names = names.length > 1 ? names[1] : names[0]; + names = names.split(/[-,_]/g)[0]; + this.isSerifFont = !!(properties.flags & FontFlags.Serif); + this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic); + this.isMonospace = !!(properties.flags & FontFlags.FixedPitch); + var type = properties.type; + var subtype = properties.subtype; + this.type = type; + this.fallbackName = this.isMonospace ? 'monospace' : this.isSerifFont ? 'serif' : 'sans-serif'; + this.differences = properties.differences; + this.widths = properties.widths; + this.defaultWidth = properties.defaultWidth; + this.composite = properties.composite; + this.wideChars = properties.wideChars; + this.cMap = properties.cMap; + this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS; + this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS; + this.fontMatrix = properties.fontMatrix; + this.bbox = properties.bbox; + this.toUnicode = properties.toUnicode; + this.toFontChar = []; + if (properties.type === 'Type3') { + for (charCode = 0; charCode < 256; charCode++) { + this.toFontChar[charCode] = this.differences[charCode] || properties.defaultEncoding[charCode]; + } + this.fontType = FontType.TYPE3; + return; + } + this.cidEncoding = properties.cidEncoding; + this.vertical = properties.vertical; + if (this.vertical) { + this.vmetrics = properties.vmetrics; + this.defaultVMetrics = properties.defaultVMetrics; + } + var glyphsUnicodeMap; + if (!file || file.isEmpty) { + if (file) { + // Some bad PDF generators will include empty font files, + // attempting to recover by assuming that no file exists. + warn('Font file is empty in "' + name + '" (' + this.loadedName + ')'); + } + this.missingFile = true; + // The file data is not specified. Trying to fix the font name + // to be used with the canvas.font. + var fontName = name.replace(/[,_]/g, '-'); + var stdFontMap = getStdFontMap(), nonStdFontMap = getNonStdFontMap(); + var isStandardFont = !!stdFontMap[fontName] || !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]); + fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName; + this.bold = fontName.search(/bold/gi) !== -1; + this.italic = fontName.search(/oblique/gi) !== -1 || fontName.search(/italic/gi) !== -1; + // Use 'name' instead of 'fontName' here because the original + // name ArialBlack for example will be replaced by Helvetica. + this.black = name.search(/Black/g) !== -1; + // if at least one width is present, remeasure all chars when exists + this.remeasure = Object.keys(this.widths).length > 0; + if (isStandardFont && type === 'CIDFontType2' && properties.cidEncoding.indexOf('Identity-') === 0) { + var GlyphMapForStandardFonts = getGlyphMapForStandardFonts(); + // Standard fonts might be embedded as CID font without glyph mapping. + // Building one based on GlyphMapForStandardFonts. + var map = []; + for (charCode in GlyphMapForStandardFonts) { + map[+charCode] = GlyphMapForStandardFonts[charCode]; + } + if (/ArialBlack/i.test(name)) { + var SupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack(); + for (charCode in SupplementalGlyphMapForArialBlack) { + map[+charCode] = SupplementalGlyphMapForArialBlack[charCode]; + } + } + var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap; + if (!isIdentityUnicode) { + this.toUnicode.forEach(function (charCode, unicodeCharCode) { + map[+charCode] = unicodeCharCode; + }); + } + this.toFontChar = map; + this.toUnicode = new ToUnicodeMap(map); + } else if (/Symbol/i.test(fontName)) { + this.toFontChar = buildToFontChar(SymbolSetEncoding, getGlyphsUnicode(), properties.differences); + } else if (/Dingbats/i.test(fontName)) { + if (/Wingdings/i.test(name)) { + warn('Non-embedded Wingdings font, falling back to ZapfDingbats.'); + } + this.toFontChar = buildToFontChar(ZapfDingbatsEncoding, getDingbatsGlyphsUnicode(), properties.differences); + } else if (isStandardFont) { + this.toFontChar = buildToFontChar(properties.defaultEncoding, getGlyphsUnicode(), properties.differences); + } else { + glyphsUnicodeMap = getGlyphsUnicode(); + this.toUnicode.forEach(function (charCode, unicodeCharCode) { + if (!this.composite) { + glyphName = properties.differences[charCode] || properties.defaultEncoding[charCode]; + unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap); + if (unicode !== -1) { + unicodeCharCode = unicode; + } + } + this.toFontChar[charCode] = unicodeCharCode; + }.bind(this)); + } + this.loadedName = fontName.split('-')[0]; + this.loading = false; + this.fontType = getFontType(type, subtype); + return; + } + // Some fonts might use wrong font types for Type1C or CIDFontType0C + if (subtype === 'Type1C') { + if (type !== 'Type1' && type !== 'MMType1') { + // Some TrueType fonts by mistake claim Type1C + if (isTrueTypeFile(file)) { + subtype = 'TrueType'; + } else { + type = 'Type1'; + } + } else if (isOpenTypeFile(file)) { + // Sometimes the type/subtype can be a complete lie (see issue7598.pdf). + type = subtype = 'OpenType'; + } + } + if (subtype === 'CIDFontType0C' && type !== 'CIDFontType0') { + type = 'CIDFontType0'; + } + if (subtype === 'OpenType') { + type = 'OpenType'; + } + // Some CIDFontType0C fonts by mistake claim CIDFontType0. + if (type === 'CIDFontType0') { + if (isType1File(file)) { + subtype = 'CIDFontType0'; + } else if (isOpenTypeFile(file)) { + // Sometimes the type/subtype can be a complete lie (see issue6782.pdf). + type = subtype = 'OpenType'; + } else { + subtype = 'CIDFontType0C'; + } + } + var data; + switch (type) { + case 'MMType1': + info('MMType1 font (' + name + '), falling back to Type1.'); + case 'Type1': + case 'CIDFontType0': + this.mimetype = 'font/opentype'; + var cff = subtype === 'Type1C' || subtype === 'CIDFontType0C' ? new CFFFont(file, properties) : new Type1Font(name, file, properties); + adjustWidths(properties); + // Wrap the CFF data inside an OTF font file + data = this.convert(name, cff, properties); + break; + case 'OpenType': + case 'TrueType': + case 'CIDFontType2': + this.mimetype = 'font/opentype'; + // Repair the TrueType file. It is can be damaged in the point of + // view of the sanitizer + data = this.checkAndRepair(name, file, properties); + if (this.isOpenType) { + adjustWidths(properties); + type = 'OpenType'; + } + break; + default: + error('Font ' + type + ' is not supported'); + break; + } + this.data = data; + this.fontType = getFontType(type, subtype); + // Transfer some properties again that could change during font conversion + this.fontMatrix = properties.fontMatrix; + this.widths = properties.widths; + this.defaultWidth = properties.defaultWidth; + this.toUnicode = properties.toUnicode; + this.encoding = properties.baseEncoding; + this.seacMap = properties.seacMap; + this.loading = true; + } + Font.getFontID = function () { + var ID = 1; + return function Font_getFontID() { + return String(ID++); + }; + }(); + function int16(b0, b1) { + return (b0 << 8) + b1; + } + function signedInt16(b0, b1) { + var value = (b0 << 8) + b1; + return value & 1 << 15 ? value - 0x10000 : value; + } + function int32(b0, b1, b2, b3) { + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + } + function string16(value) { + return String.fromCharCode(value >> 8 & 0xff, value & 0xff); + } + function safeString16(value) { + // clamp value to the 16-bit int range + value = value > 0x7FFF ? 0x7FFF : value < -0x8000 ? -0x8000 : value; + return String.fromCharCode(value >> 8 & 0xff, value & 0xff); + } + function isTrueTypeFile(file) { + var header = file.peekBytes(4); + return readUint32(header, 0) === 0x00010000; + } + function isOpenTypeFile(file) { + var header = file.peekBytes(4); + return bytesToString(header) === 'OTTO'; + } + function isType1File(file) { + var header = file.peekBytes(2); + // All Type1 font programs must begin with the comment '%!' (0x25 + 0x21). + if (header[0] === 0x25 && header[1] === 0x21) { + return true; + } + // ... obviously some fonts violate that part of the specification, + // please refer to the comment in |Type1Font| below. + if (header[0] === 0x80 && header[1] === 0x01) { + // pfb file header. + return true; + } + return false; + } + function buildToFontChar(encoding, glyphsUnicodeMap, differences) { + var toFontChar = [], unicode; + for (var i = 0, ii = encoding.length; i < ii; i++) { + unicode = getUnicodeForGlyph(encoding[i], glyphsUnicodeMap); + if (unicode !== -1) { + toFontChar[i] = unicode; + } + } + for (var charCode in differences) { + unicode = getUnicodeForGlyph(differences[charCode], glyphsUnicodeMap); + if (unicode !== -1) { + toFontChar[+charCode] = unicode; + } + } + return toFontChar; + } + /** + * Helper function for |adjustMapping|. + * @return {boolean} + */ + function isProblematicUnicodeLocation(code) { + // Using binary search to find a range start. + var i = 0, j = ProblematicCharRanges.length - 1; + while (i < j) { + var c = i + j + 1 >> 1; + if (code < ProblematicCharRanges[c]) { + j = c - 1; + } else { + i = c; + } + } + // Even index means code in problematic range. + return !(i & 1); + } + /** + * Rebuilds the char code to glyph ID map by trying to replace the char codes + * with their unicode value. It also moves char codes that are in known + * problematic locations. + * @return {Object} Two properties: + * 'toFontChar' - maps original char codes(the value that will be read + * from commands such as show text) to the char codes that will be used in the + * font that we build + * 'charCodeToGlyphId' - maps the new font char codes to glyph ids + */ + function adjustMapping(charCodeToGlyphId, properties) { + var toUnicode = properties.toUnicode; + var isSymbolic = !!(properties.flags & FontFlags.Symbolic); + var isIdentityUnicode = properties.toUnicode instanceof IdentityToUnicodeMap; + var newMap = Object.create(null); + var toFontChar = []; + var usedFontCharCodes = []; + var nextAvailableFontCharCode = PRIVATE_USE_OFFSET_START; + for (var originalCharCode in charCodeToGlyphId) { + originalCharCode |= 0; + var glyphId = charCodeToGlyphId[originalCharCode]; + var fontCharCode = originalCharCode; + // First try to map the value to a unicode position if a non identity map + // was created. + if (!isIdentityUnicode && toUnicode.has(originalCharCode)) { + var unicode = toUnicode.get(fontCharCode); + // TODO: Try to map ligatures to the correct spot. + if (unicode.length === 1) { + fontCharCode = unicode.charCodeAt(0); + } + } + // Try to move control characters, special characters and already mapped + // characters to the private use area since they will not be drawn by + // canvas if left in their current position. Also, move characters if the + // font was symbolic and there is only an identity unicode map since the + // characters probably aren't in the correct position (fixes an issue + // with firefox and thuluthfont). + if ((usedFontCharCodes[fontCharCode] !== undefined || isProblematicUnicodeLocation(fontCharCode) || isSymbolic && isIdentityUnicode) && nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END) { + // Room left. + // Loop to try and find a free spot in the private use area. + do { + fontCharCode = nextAvailableFontCharCode++; + if (SKIP_PRIVATE_USE_RANGE_F000_TO_F01F && fontCharCode === 0xF000) { + fontCharCode = 0xF020; + nextAvailableFontCharCode = fontCharCode + 1; + } + } while (usedFontCharCodes[fontCharCode] !== undefined && nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END); + } + newMap[fontCharCode] = glyphId; + toFontChar[originalCharCode] = fontCharCode; + usedFontCharCodes[fontCharCode] = true; + } + return { + toFontChar: toFontChar, + charCodeToGlyphId: newMap, + nextAvailableFontCharCode: nextAvailableFontCharCode + }; + } + function getRanges(glyphs, numGlyphs) { + // Array.sort() sorts by characters, not numerically, so convert to an + // array of characters. + var codes = []; + for (var charCode in glyphs) { + // Remove an invalid glyph ID mappings to make OTS happy. + if (glyphs[charCode] >= numGlyphs) { + continue; + } + codes.push({ + fontCharCode: charCode | 0, + glyphId: glyphs[charCode] + }); + } + codes.sort(function fontGetRangesSort(a, b) { + return a.fontCharCode - b.fontCharCode; + }); + // Split the sorted codes into ranges. + var ranges = []; + var length = codes.length; + for (var n = 0; n < length;) { + var start = codes[n].fontCharCode; + var codeIndices = [codes[n].glyphId]; + ++n; + var end = start; + while (n < length && end + 1 === codes[n].fontCharCode) { + codeIndices.push(codes[n].glyphId); + ++end; + ++n; + if (end === 0xFFFF) { + break; + } + } + ranges.push([ + start, + end, + codeIndices + ]); + } + return ranges; + } + function createCmapTable(glyphs, numGlyphs) { + var ranges = getRanges(glyphs, numGlyphs); + var numTables = ranges[ranges.length - 1][1] > 0xFFFF ? 2 : 1; + var cmap = '\x00\x00' + // version + string16(numTables) + // numTables + '\x00\x03' + // platformID + '\x00\x01' + // encodingID + string32(4 + numTables * 8); + // start of the table record + var i, ii, j, jj; + for (i = ranges.length - 1; i >= 0; --i) { + if (ranges[i][0] <= 0xFFFF) { + break; + } + } + var bmpLength = i + 1; + if (ranges[i][0] < 0xFFFF && ranges[i][1] === 0xFFFF) { + ranges[i][1] = 0xFFFE; + } + var trailingRangesCount = ranges[i][1] < 0xFFFF ? 1 : 0; + var segCount = bmpLength + trailingRangesCount; + var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2); + // Fill up the 4 parallel arrays describing the segments. + var startCount = ''; + var endCount = ''; + var idDeltas = ''; + var idRangeOffsets = ''; + var glyphsIds = ''; + var bias = 0; + var range, start, end, codes; + for (i = 0, ii = bmpLength; i < ii; i++) { + range = ranges[i]; + start = range[0]; + end = range[1]; + startCount += string16(start); + endCount += string16(end); + codes = range[2]; + var contiguous = true; + for (j = 1, jj = codes.length; j < jj; ++j) { + if (codes[j] !== codes[j - 1] + 1) { + contiguous = false; + break; + } + } + if (!contiguous) { + var offset = (segCount - i) * 2 + bias * 2; + bias += end - start + 1; + idDeltas += string16(0); + idRangeOffsets += string16(offset); + for (j = 0, jj = codes.length; j < jj; ++j) { + glyphsIds += string16(codes[j]); + } + } else { + var startCode = codes[0]; + idDeltas += string16(startCode - start & 0xFFFF); + idRangeOffsets += string16(0); + } + } + if (trailingRangesCount > 0) { + endCount += '\xFF\xFF'; + startCount += '\xFF\xFF'; + idDeltas += '\x00\x01'; + idRangeOffsets += '\x00\x00'; + } + var format314 = '\x00\x00' + // language + string16(2 * segCount) + string16(searchParams.range) + string16(searchParams.entry) + string16(searchParams.rangeShift) + endCount + '\x00\x00' + startCount + idDeltas + idRangeOffsets + glyphsIds; + var format31012 = ''; + var header31012 = ''; + if (numTables > 1) { + cmap += '\x00\x03' + // platformID + '\x00\x0A' + // encodingID + string32(4 + numTables * 8 + 4 + format314.length); + // start of the table record + format31012 = ''; + for (i = 0, ii = ranges.length; i < ii; i++) { + range = ranges[i]; + start = range[0]; + codes = range[2]; + var code = codes[0]; + for (j = 1, jj = codes.length; j < jj; ++j) { + if (codes[j] !== codes[j - 1] + 1) { + end = range[0] + j - 1; + format31012 += string32(start) + // startCharCode + string32(end) + // endCharCode + string32(code); + // startGlyphID + start = end + 1; + code = codes[j]; + } + } + format31012 += string32(start) + // startCharCode + string32(range[1]) + // endCharCode + string32(code); + } + // startGlyphID + header31012 = '\x00\x0C' + // format + '\x00\x00' + // reserved + string32(format31012.length + 16) + // length + '\x00\x00\x00\x00' + // language + string32(format31012.length / 12); + } + // nGroups + return cmap + '\x00\x04' + // format + string16(format314.length + 4) + // length + format314 + header31012 + format31012; + } + function validateOS2Table(os2) { + var stream = new Stream(os2.data); + var version = stream.getUint16(); + // TODO verify all OS/2 tables fields, but currently we validate only those + // that give us issues + stream.getBytes(60); + // skipping type, misc sizes, panose, unicode ranges + var selection = stream.getUint16(); + if (version < 4 && selection & 0x0300) { + return false; + } + var firstChar = stream.getUint16(); + var lastChar = stream.getUint16(); + if (firstChar > lastChar) { + return false; + } + stream.getBytes(6); + // skipping sTypoAscender/Descender/LineGap + var usWinAscent = stream.getUint16(); + if (usWinAscent === 0) { + // makes font unreadable by windows + return false; + } + // OS/2 appears to be valid, resetting some fields + os2.data[8] = os2.data[9] = 0; + // IE rejects fonts if fsType != 0 + return true; + } + function createOS2Table(properties, charstrings, override) { + override = override || { + unitsPerEm: 0, + yMax: 0, + yMin: 0, + ascent: 0, + descent: 0 + }; + var ulUnicodeRange1 = 0; + var ulUnicodeRange2 = 0; + var ulUnicodeRange3 = 0; + var ulUnicodeRange4 = 0; + var firstCharIndex = null; + var lastCharIndex = 0; + if (charstrings) { + for (var code in charstrings) { + code |= 0; + if (firstCharIndex > code || !firstCharIndex) { + firstCharIndex = code; + } + if (lastCharIndex < code) { + lastCharIndex = code; + } + var position = getUnicodeRangeFor(code); + if (position < 32) { + ulUnicodeRange1 |= 1 << position; + } else if (position < 64) { + ulUnicodeRange2 |= 1 << position - 32; + } else if (position < 96) { + ulUnicodeRange3 |= 1 << position - 64; + } else if (position < 123) { + ulUnicodeRange4 |= 1 << position - 96; + } else { + error('Unicode ranges Bits > 123 are reserved for internal usage'); + } + } + } else { + // TODO + firstCharIndex = 0; + lastCharIndex = 255; + } + var bbox = properties.bbox || [ + 0, + 0, + 0, + 0 + ]; + var unitsPerEm = override.unitsPerEm || 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]; + // if the font units differ to the PDF glyph space units + // then scale up the values + var scale = properties.ascentScaled ? 1.0 : unitsPerEm / PDF_GLYPH_SPACE_UNITS; + var typoAscent = override.ascent || Math.round(scale * (properties.ascent || bbox[3])); + var typoDescent = override.descent || Math.round(scale * (properties.descent || bbox[1])); + if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) { + typoDescent = -typoDescent; + } + // fixing incorrect descent + var winAscent = override.yMax || typoAscent; + var winDescent = -override.yMin || -typoDescent; + return '\x00\x03' + // version + '\x02\x24' + // xAvgCharWidth + '\x01\xF4' + // usWeightClass + '\x00\x05' + // usWidthClass + '\x00\x00' + // fstype (0 to let the font loads via font-face on IE) + '\x02\x8A' + // ySubscriptXSize + '\x02\xBB' + // ySubscriptYSize + '\x00\x00' + // ySubscriptXOffset + '\x00\x8C' + // ySubscriptYOffset + '\x02\x8A' + // ySuperScriptXSize + '\x02\xBB' + // ySuperScriptYSize + '\x00\x00' + // ySuperScriptXOffset + '\x01\xDF' + // ySuperScriptYOffset + '\x00\x31' + // yStrikeOutSize + '\x01\x02' + // yStrikeOutPosition + '\x00\x00' + // sFamilyClass + '\x00\x00\x06' + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + '\x00\x00\x00\x00\x00\x00' + // Panose + string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31) + string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63) + string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95) + string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127) + '\x2A\x32\x31\x2A' + // achVendID + string16(properties.italicAngle ? 1 : 0) + // fsSelection + string16(firstCharIndex || properties.firstChar) + // usFirstCharIndex + string16(lastCharIndex || properties.lastChar) + // usLastCharIndex + string16(typoAscent) + // sTypoAscender + string16(typoDescent) + // sTypoDescender + '\x00\x64' + // sTypoLineGap (7%-10% of the unitsPerEM value) + string16(winAscent) + // usWinAscent + string16(winDescent) + // usWinDescent + '\x00\x00\x00\x00' + // ulCodePageRange1 (Bits 0-31) + '\x00\x00\x00\x00' + // ulCodePageRange2 (Bits 32-63) + string16(properties.xHeight) + // sxHeight + string16(properties.capHeight) + // sCapHeight + string16(0) + // usDefaultChar + string16(firstCharIndex || properties.firstChar) + // usBreakChar + '\x00\x03'; + } + // usMaxContext + function createPostTable(properties) { + var angle = Math.floor(properties.italicAngle * Math.pow(2, 16)); + return '\x00\x03\x00\x00' + // Version number + string32(angle) + // italicAngle + '\x00\x00' + // underlinePosition + '\x00\x00' + // underlineThickness + string32(properties.fixedPitch) + // isFixedPitch + '\x00\x00\x00\x00' + // minMemType42 + '\x00\x00\x00\x00' + // maxMemType42 + '\x00\x00\x00\x00' + // minMemType1 + '\x00\x00\x00\x00'; + } + // maxMemType1 + function createNameTable(name, proto) { + if (!proto) { + proto = [ + [], + [] + ]; + } + // no strings and unicode strings + var strings = [ + proto[0][0] || 'Original licence', + // 0.Copyright + proto[0][1] || name, + // 1.Font family + proto[0][2] || 'Unknown', + // 2.Font subfamily (font weight) + proto[0][3] || 'uniqueID', + // 3.Unique ID + proto[0][4] || name, + // 4.Full font name + proto[0][5] || 'Version 0.11', + // 5.Version + proto[0][6] || '', + // 6.Postscript name + proto[0][7] || 'Unknown', + // 7.Trademark + proto[0][8] || 'Unknown', + // 8.Manufacturer + proto[0][9] || 'Unknown' + ]; + // 9.Designer + // Mac want 1-byte per character strings while Windows want + // 2-bytes per character, so duplicate the names table + var stringsUnicode = []; + var i, ii, j, jj, str; + for (i = 0, ii = strings.length; i < ii; i++) { + str = proto[1][i] || strings[i]; + var strBufUnicode = []; + for (j = 0, jj = str.length; j < jj; j++) { + strBufUnicode.push(string16(str.charCodeAt(j))); + } + stringsUnicode.push(strBufUnicode.join('')); + } + var names = [ + strings, + stringsUnicode + ]; + var platforms = [ + '\x00\x01', + '\x00\x03' + ]; + var encodings = [ + '\x00\x00', + '\x00\x01' + ]; + var languages = [ + '\x00\x00', + '\x04\x09' + ]; + var namesRecordCount = strings.length * platforms.length; + var nameTable = '\x00\x00' + // format + string16(namesRecordCount) + // Number of names Record + string16(namesRecordCount * 12 + 6); + // Storage + // Build the name records field + var strOffset = 0; + for (i = 0, ii = platforms.length; i < ii; i++) { + var strs = names[i]; + for (j = 0, jj = strs.length; j < jj; j++) { + str = strs[j]; + var nameRecord = platforms[i] + // platform ID + encodings[i] + // encoding ID + languages[i] + // language ID + string16(j) + // name ID + string16(str.length) + string16(strOffset); + nameTable += nameRecord; + strOffset += str.length; + } + } + nameTable += strings.join('') + stringsUnicode.join(''); + return nameTable; + } + Font.prototype = { + name: null, + font: null, + mimetype: null, + encoding: null, + get renderer() { + var renderer = FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED); + return shadow(this, 'renderer', renderer); + }, + exportData: function Font_exportData() { + // TODO remove enumerating of the properties, e.g. hardcode exact names. + var data = {}; + for (var i in this) { + if (this.hasOwnProperty(i)) { + data[i] = this[i]; + } + } + return data; + }, + checkAndRepair: function Font_checkAndRepair(name, font, properties) { + function readTableEntry(file) { + var tag = bytesToString(file.getBytes(4)); + var checksum = file.getInt32() >>> 0; + var offset = file.getInt32() >>> 0; + var length = file.getInt32() >>> 0; + // Read the table associated data + var previousPosition = file.pos; + file.pos = file.start ? file.start : 0; + file.skip(offset); + var data = file.getBytes(length); + file.pos = previousPosition; + if (tag === 'head') { + // clearing checksum adjustment + data[8] = data[9] = data[10] = data[11] = 0; + data[17] |= 0x20; + } + //Set font optimized for cleartype flag + return { + tag: tag, + checksum: checksum, + length: length, + offset: offset, + data: data + }; + } + function readOpenTypeHeader(ttf) { + return { + version: bytesToString(ttf.getBytes(4)), + numTables: ttf.getUint16(), + searchRange: ttf.getUint16(), + entrySelector: ttf.getUint16(), + rangeShift: ttf.getUint16() + }; + } + /** + * Read the appropriate subtable from the cmap according to 9.6.6.4 from + * PDF spec + */ + function readCmapTable(cmap, font, isSymbolicFont, hasEncoding) { + if (!cmap) { + warn('No cmap table available.'); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + var segment; + var start = (font.start ? font.start : 0) + cmap.offset; + font.pos = start; + var version = font.getUint16(); + var numTables = font.getUint16(); + var potentialTable; + var canBreak = false; + // There's an order of preference in terms of which cmap subtable to + // use: + // - non-symbolic fonts the preference is a 3,1 table then a 1,0 table + // - symbolic fonts the preference is a 3,0 table then a 1,0 table + // The following takes advantage of the fact that the tables are sorted + // to work. + for (var i = 0; i < numTables; i++) { + var platformId = font.getUint16(); + var encodingId = font.getUint16(); + var offset = font.getInt32() >>> 0; + var useTable = false; + if (platformId === 0 && encodingId === 0) { + useTable = true; + } else // Continue the loop since there still may be a higher priority + // table. + if (platformId === 1 && encodingId === 0) { + useTable = true; + } else // Continue the loop since there still may be a higher priority + // table. + if (platformId === 3 && encodingId === 1 && (!isSymbolicFont && hasEncoding || !potentialTable)) { + useTable = true; + if (!isSymbolicFont) { + canBreak = true; + } + } else if (isSymbolicFont && platformId === 3 && encodingId === 0) { + useTable = true; + canBreak = true; + } + if (useTable) { + potentialTable = { + platformId: platformId, + encodingId: encodingId, + offset: offset + }; + } + if (canBreak) { + break; + } + } + if (potentialTable) { + font.pos = start + potentialTable.offset; + } + if (!potentialTable || font.peekByte() === -1) { + warn('Could not find a preferred cmap table.'); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + var format = font.getUint16(); + var length = font.getUint16(); + var language = font.getUint16(); + var hasShortCmap = false; + var mappings = []; + var j, glyphId; + // TODO(mack): refactor this cmap subtable reading logic out + if (format === 0) { + for (j = 0; j < 256; j++) { + var index = font.getByte(); + if (!index) { + continue; + } + mappings.push({ + charCode: j, + glyphId: index + }); + } + hasShortCmap = true; + } else if (format === 4) { + // re-creating the table in format 4 since the encoding + // might be changed + var segCount = font.getUint16() >> 1; + font.getBytes(6); + // skipping range fields + var segIndex, segments = []; + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments.push({ end: font.getUint16() }); + } + font.getUint16(); + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments[segIndex].start = font.getUint16(); + } + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments[segIndex].delta = font.getUint16(); + } + var offsetsCount = 0; + for (segIndex = 0; segIndex < segCount; segIndex++) { + segment = segments[segIndex]; + var rangeOffset = font.getUint16(); + if (!rangeOffset) { + segment.offsetIndex = -1; + continue; + } + var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex); + segment.offsetIndex = offsetIndex; + offsetsCount = Math.max(offsetsCount, offsetIndex + segment.end - segment.start + 1); + } + var offsets = []; + for (j = 0; j < offsetsCount; j++) { + offsets.push(font.getUint16()); + } + for (segIndex = 0; segIndex < segCount; segIndex++) { + segment = segments[segIndex]; + start = segment.start; + var end = segment.end; + var delta = segment.delta; + offsetIndex = segment.offsetIndex; + for (j = start; j <= end; j++) { + if (j === 0xFFFF) { + continue; + } + glyphId = offsetIndex < 0 ? j : offsets[offsetIndex + j - start]; + glyphId = glyphId + delta & 0xFFFF; + if (glyphId === 0) { + continue; + } + mappings.push({ + charCode: j, + glyphId: glyphId + }); + } + } + } else if (format === 6) { + // Format 6 is a 2-bytes dense mapping, which means the font data + // lives glue together even if they are pretty far in the unicode + // table. (This looks weird, so I can have missed something), this + // works on Linux but seems to fails on Mac so let's rewrite the + // cmap table to a 3-1-4 style + var firstCode = font.getUint16(); + var entryCount = font.getUint16(); + for (j = 0; j < entryCount; j++) { + glyphId = font.getUint16(); + var charCode = firstCode + j; + mappings.push({ + charCode: charCode, + glyphId: glyphId + }); + } + } else { + warn('cmap table has unsupported format: ' + format); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + // removing duplicate entries + mappings.sort(function (a, b) { + return a.charCode - b.charCode; + }); + for (i = 1; i < mappings.length; i++) { + if (mappings[i - 1].charCode === mappings[i].charCode) { + mappings.splice(i, 1); + i--; + } + } + return { + platformId: potentialTable.platformId, + encodingId: potentialTable.encodingId, + mappings: mappings, + hasShortCmap: hasShortCmap + }; + } + function sanitizeMetrics(font, header, metrics, numGlyphs) { + if (!header) { + if (metrics) { + metrics.data = null; + } + return; + } + font.pos = (font.start ? font.start : 0) + header.offset; + font.pos += header.length - 2; + var numOfMetrics = font.getUint16(); + if (numOfMetrics > numGlyphs) { + info('The numOfMetrics (' + numOfMetrics + ') should not be ' + 'greater than the numGlyphs (' + numGlyphs + ')'); + // Reduce numOfMetrics if it is greater than numGlyphs + numOfMetrics = numGlyphs; + header.data[34] = (numOfMetrics & 0xff00) >> 8; + header.data[35] = numOfMetrics & 0x00ff; + } + var numOfSidebearings = numGlyphs - numOfMetrics; + var numMissing = numOfSidebearings - (metrics.length - numOfMetrics * 4 >> 1); + if (numMissing > 0) { + // For each missing glyph, we set both the width and lsb to 0 (zero). + // Since we need to add two properties for each glyph, this explains + // the use of |numMissing * 2| when initializing the typed array. + var entries = new Uint8Array(metrics.length + numMissing * 2); + entries.set(metrics.data); + metrics.data = entries; + } + } + function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, hintsValid) { + if (sourceEnd - sourceStart <= 12) { + // glyph with data less than 12 is invalid one + return 0; + } + var glyf = source.subarray(sourceStart, sourceEnd); + var contoursCount = glyf[0] << 8 | glyf[1]; + if (contoursCount & 0x8000) { + // complex glyph, writing as is + dest.set(glyf, destStart); + return glyf.length; + } + var i, j = 10, flagsCount = 0; + for (i = 0; i < contoursCount; i++) { + var endPoint = glyf[j] << 8 | glyf[j + 1]; + flagsCount = endPoint + 1; + j += 2; + } + // skipping instructions + var instructionsStart = j; + var instructionsLength = glyf[j] << 8 | glyf[j + 1]; + j += 2 + instructionsLength; + var instructionsEnd = j; + // validating flags + var coordinatesLength = 0; + for (i = 0; i < flagsCount; i++) { + var flag = glyf[j++]; + if (flag & 0xC0) { + // reserved flags must be zero, cleaning up + glyf[j - 1] = flag & 0x3F; + } + var xyLength = (flag & 2 ? 1 : flag & 16 ? 0 : 2) + (flag & 4 ? 1 : flag & 32 ? 0 : 2); + coordinatesLength += xyLength; + if (flag & 8) { + var repeat = glyf[j++]; + i += repeat; + coordinatesLength += repeat * xyLength; + } + } + // glyph without coordinates will be rejected + if (coordinatesLength === 0) { + return 0; + } + var glyphDataLength = j + coordinatesLength; + if (glyphDataLength > glyf.length) { + // not enough data for coordinates + return 0; + } + if (!hintsValid && instructionsLength > 0) { + dest.set(glyf.subarray(0, instructionsStart), destStart); + dest.set([ + 0, + 0 + ], destStart + instructionsStart); + dest.set(glyf.subarray(instructionsEnd, glyphDataLength), destStart + instructionsStart + 2); + glyphDataLength -= instructionsLength; + if (glyf.length - glyphDataLength > 3) { + glyphDataLength = glyphDataLength + 3 & ~3; + } + return glyphDataLength; + } + if (glyf.length - glyphDataLength > 3) { + // truncating and aligning to 4 bytes the long glyph data + glyphDataLength = glyphDataLength + 3 & ~3; + dest.set(glyf.subarray(0, glyphDataLength), destStart); + return glyphDataLength; + } + // glyph data is fine + dest.set(glyf, destStart); + return glyf.length; + } + function sanitizeHead(head, numGlyphs, locaLength) { + var data = head.data; + // Validate version: + // Should always be 0x00010000 + var version = int32(data[0], data[1], data[2], data[3]); + if (version >> 16 !== 1) { + info('Attempting to fix invalid version in head table: ' + version); + data[0] = 0; + data[1] = 1; + data[2] = 0; + data[3] = 0; + } + var indexToLocFormat = int16(data[50], data[51]); + if (indexToLocFormat < 0 || indexToLocFormat > 1) { + info('Attempting to fix invalid indexToLocFormat in head table: ' + indexToLocFormat); + // The value of indexToLocFormat should be 0 if the loca table + // consists of short offsets, and should be 1 if the loca table + // consists of long offsets. + // + // The number of entries in the loca table should be numGlyphs + 1. + // + // Using this information, we can work backwards to deduce if the + // size of each offset in the loca table, and thus figure out the + // appropriate value for indexToLocFormat. + var numGlyphsPlusOne = numGlyphs + 1; + if (locaLength === numGlyphsPlusOne << 1) { + // 0x0000 indicates the loca table consists of short offsets + data[50] = 0; + data[51] = 0; + } else if (locaLength === numGlyphsPlusOne << 2) { + // 0x0001 indicates the loca table consists of long offsets + data[50] = 0; + data[51] = 1; + } else { + warn('Could not fix indexToLocFormat: ' + indexToLocFormat); + } + } + } + function sanitizeGlyphLocations(loca, glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry) { + var itemSize, itemDecode, itemEncode; + if (isGlyphLocationsLong) { + itemSize = 4; + itemDecode = function fontItemDecodeLong(data, offset) { + return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]; + }; + itemEncode = function fontItemEncodeLong(data, offset, value) { + data[offset] = value >>> 24 & 0xFF; + data[offset + 1] = value >> 16 & 0xFF; + data[offset + 2] = value >> 8 & 0xFF; + data[offset + 3] = value & 0xFF; + }; + } else { + itemSize = 2; + itemDecode = function fontItemDecode(data, offset) { + return data[offset] << 9 | data[offset + 1] << 1; + }; + itemEncode = function fontItemEncode(data, offset, value) { + data[offset] = value >> 9 & 0xFF; + data[offset + 1] = value >> 1 & 0xFF; + }; + } + var locaData = loca.data; + var locaDataSize = itemSize * (1 + numGlyphs); + // is loca.data too short or long? + if (locaData.length !== locaDataSize) { + locaData = new Uint8Array(locaDataSize); + locaData.set(loca.data.subarray(0, locaDataSize)); + loca.data = locaData; + } + // removing the invalid glyphs + var oldGlyfData = glyf.data; + var oldGlyfDataLength = oldGlyfData.length; + var newGlyfData = new Uint8Array(oldGlyfDataLength); + var startOffset = itemDecode(locaData, 0); + var writeOffset = 0; + var missingGlyphData = Object.create(null); + itemEncode(locaData, 0, writeOffset); + var i, j; + for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { + var endOffset = itemDecode(locaData, j); + if (endOffset > oldGlyfDataLength && (oldGlyfDataLength + 3 & ~3) === endOffset) { + // Aspose breaks fonts by aligning the glyphs to the qword, but not + // the glyf table size, which makes last glyph out of range. + endOffset = oldGlyfDataLength; + } + if (endOffset > oldGlyfDataLength) { + // glyph end offset points outside glyf data, rejecting the glyph + itemEncode(locaData, j, writeOffset); + startOffset = endOffset; + continue; + } + if (startOffset === endOffset) { + missingGlyphData[i] = true; + } + var newLength = sanitizeGlyph(oldGlyfData, startOffset, endOffset, newGlyfData, writeOffset, hintsValid); + writeOffset += newLength; + itemEncode(locaData, j, writeOffset); + startOffset = endOffset; + } + if (writeOffset === 0) { + // glyf table cannot be empty -- redoing the glyf and loca tables + // to have single glyph with one point + var simpleGlyph = new Uint8Array([ + 0, + 1, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 49, + 0 + ]); + for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { + itemEncode(locaData, j, simpleGlyph.length); + } + glyf.data = simpleGlyph; + return missingGlyphData; + } + if (dupFirstEntry) { + var firstEntryLength = itemDecode(locaData, itemSize); + if (newGlyfData.length > firstEntryLength + writeOffset) { + glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset); + } else { + glyf.data = new Uint8Array(firstEntryLength + writeOffset); + glyf.data.set(newGlyfData.subarray(0, writeOffset)); + } + glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset); + itemEncode(loca.data, locaData.length - itemSize, writeOffset + firstEntryLength); + } else { + glyf.data = newGlyfData.subarray(0, writeOffset); + } + return missingGlyphData; + } + function readPostScriptTable(post, properties, maxpNumGlyphs) { + var start = (font.start ? font.start : 0) + post.offset; + font.pos = start; + var length = post.length, end = start + length; + var version = font.getInt32(); + // skip rest to the tables + font.getBytes(28); + var glyphNames; + var valid = true; + var i; + switch (version) { + case 0x00010000: + glyphNames = MacStandardGlyphOrdering; + break; + case 0x00020000: + var numGlyphs = font.getUint16(); + if (numGlyphs !== maxpNumGlyphs) { + valid = false; + break; + } + var glyphNameIndexes = []; + for (i = 0; i < numGlyphs; ++i) { + var index = font.getUint16(); + if (index >= 32768) { + valid = false; + break; + } + glyphNameIndexes.push(index); + } + if (!valid) { + break; + } + var customNames = []; + var strBuf = []; + while (font.pos < end) { + var stringLength = font.getByte(); + strBuf.length = stringLength; + for (i = 0; i < stringLength; ++i) { + strBuf[i] = String.fromCharCode(font.getByte()); + } + customNames.push(strBuf.join('')); + } + glyphNames = []; + for (i = 0; i < numGlyphs; ++i) { + var j = glyphNameIndexes[i]; + if (j < 258) { + glyphNames.push(MacStandardGlyphOrdering[j]); + continue; + } + glyphNames.push(customNames[j - 258]); + } + break; + case 0x00030000: + break; + default: + warn('Unknown/unsupported post table version ' + version); + valid = false; + if (properties.defaultEncoding) { + glyphNames = properties.defaultEncoding; + } + break; + } + properties.glyphNames = glyphNames; + return valid; + } + function readNameTable(nameTable) { + var start = (font.start ? font.start : 0) + nameTable.offset; + font.pos = start; + var names = [ + [], + [] + ]; + var length = nameTable.length, end = start + length; + var format = font.getUint16(); + var FORMAT_0_HEADER_LENGTH = 6; + if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) { + // unsupported name table format or table "too" small + return names; + } + var numRecords = font.getUint16(); + var stringsStart = font.getUint16(); + var records = []; + var NAME_RECORD_LENGTH = 12; + var i, ii; + for (i = 0; i < numRecords && font.pos + NAME_RECORD_LENGTH <= end; i++) { + var r = { + platform: font.getUint16(), + encoding: font.getUint16(), + language: font.getUint16(), + name: font.getUint16(), + length: font.getUint16(), + offset: font.getUint16() + }; + // using only Macintosh and Windows platform/encoding names + if (r.platform === 1 && r.encoding === 0 && r.language === 0 || r.platform === 3 && r.encoding === 1 && r.language === 0x409) { + records.push(r); + } + } + for (i = 0, ii = records.length; i < ii; i++) { + var record = records[i]; + if (record.length <= 0) { + continue; + } + // Nothing to process, ignoring. + var pos = start + stringsStart + record.offset; + if (pos + record.length > end) { + continue; + } + // outside of name table, ignoring + font.pos = pos; + var nameIndex = record.name; + if (record.encoding) { + // unicode + var str = ''; + for (var j = 0, jj = record.length; j < jj; j += 2) { + str += String.fromCharCode(font.getUint16()); + } + names[1][nameIndex] = str; + } else { + names[0][nameIndex] = bytesToString(font.getBytes(record.length)); + } + } + return names; + } + var TTOpsStackDeltas = [ + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + -2, + -2, + -2, + -2, + 0, + 0, + -2, + -5, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + 0, + 0, + -1, + 0, + -1, + -1, + -1, + -1, + 1, + -1, + -999, + 0, + 1, + 0, + -1, + -2, + 0, + -1, + -2, + -1, + -1, + 0, + -1, + -1, + 0, + 0, + -999, + -999, + -1, + -1, + -1, + -1, + -2, + -999, + -2, + -2, + -999, + 0, + -2, + -2, + 0, + 0, + -2, + 0, + -2, + 0, + 0, + 0, + -2, + -1, + -1, + 1, + 1, + 0, + 0, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + 0, + 0, + -1, + 0, + -1, + -1, + 0, + -999, + -1, + -1, + -1, + -1, + -1, + -1, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + -2, + -999, + -999, + -999, + -999, + -999, + -1, + -1, + -2, + -2, + 0, + 0, + 0, + 0, + -1, + -1, + -999, + -2, + -2, + 0, + 0, + -1, + -2, + -2, + 0, + 0, + 0, + -1, + -1, + -1, + -2 + ]; + // 0xC0-DF == -1 and 0xE0-FF == -2 + function sanitizeTTProgram(table, ttContext) { + var data = table.data; + var i = 0, j, n, b, funcId, pc, lastEndf = 0, lastDeff = 0; + var stack = []; + var callstack = []; + var functionsCalled = []; + var tooComplexToFollowFunctions = ttContext.tooComplexToFollowFunctions; + var inFDEF = false, ifLevel = 0, inELSE = 0; + for (var ii = data.length; i < ii;) { + var op = data[i++]; + // The TrueType instruction set docs can be found at + // https://developer.apple.com/fonts/TTRefMan/RM05/Chap5.html + if (op === 0x40) { + // NPUSHB - pushes n bytes + n = data[i++]; + if (inFDEF || inELSE) { + i += n; + } else { + for (j = 0; j < n; j++) { + stack.push(data[i++]); + } + } + } else if (op === 0x41) { + // NPUSHW - pushes n words + n = data[i++]; + if (inFDEF || inELSE) { + i += n * 2; + } else { + for (j = 0; j < n; j++) { + b = data[i++]; + stack.push(b << 8 | data[i++]); + } + } + } else if ((op & 0xF8) === 0xB0) { + // PUSHB - pushes bytes + n = op - 0xB0 + 1; + if (inFDEF || inELSE) { + i += n; + } else { + for (j = 0; j < n; j++) { + stack.push(data[i++]); + } + } + } else if ((op & 0xF8) === 0xB8) { + // PUSHW - pushes words + n = op - 0xB8 + 1; + if (inFDEF || inELSE) { + i += n * 2; + } else { + for (j = 0; j < n; j++) { + b = data[i++]; + stack.push(b << 8 | data[i++]); + } + } + } else if (op === 0x2B && !tooComplexToFollowFunctions) { + // CALL + if (!inFDEF && !inELSE) { + // collecting inforamtion about which functions are used + funcId = stack[stack.length - 1]; + ttContext.functionsUsed[funcId] = true; + if (funcId in ttContext.functionsStackDeltas) { + stack.length += ttContext.functionsStackDeltas[funcId]; + } else if (funcId in ttContext.functionsDefined && functionsCalled.indexOf(funcId) < 0) { + callstack.push({ + data: data, + i: i, + stackTop: stack.length - 1 + }); + functionsCalled.push(funcId); + pc = ttContext.functionsDefined[funcId]; + if (!pc) { + warn('TT: CALL non-existent function'); + ttContext.hintsValid = false; + return; + } + data = pc.data; + i = pc.i; + } + } + } else if (op === 0x2C && !tooComplexToFollowFunctions) { + // FDEF + if (inFDEF || inELSE) { + warn('TT: nested FDEFs not allowed'); + tooComplexToFollowFunctions = true; + } + inFDEF = true; + // collecting inforamtion about which functions are defined + lastDeff = i; + funcId = stack.pop(); + ttContext.functionsDefined[funcId] = { + data: data, + i: i + }; + } else if (op === 0x2D) { + // ENDF - end of function + if (inFDEF) { + inFDEF = false; + lastEndf = i; + } else { + pc = callstack.pop(); + if (!pc) { + warn('TT: ENDF bad stack'); + ttContext.hintsValid = false; + return; + } + funcId = functionsCalled.pop(); + data = pc.data; + i = pc.i; + ttContext.functionsStackDeltas[funcId] = stack.length - pc.stackTop; + } + } else if (op === 0x89) { + // IDEF - instruction definition + if (inFDEF || inELSE) { + warn('TT: nested IDEFs not allowed'); + tooComplexToFollowFunctions = true; + } + inFDEF = true; + // recording it as a function to track ENDF + lastDeff = i; + } else if (op === 0x58) { + // IF + ++ifLevel; + } else if (op === 0x1B) { + // ELSE + inELSE = ifLevel; + } else if (op === 0x59) { + // EIF + if (inELSE === ifLevel) { + inELSE = 0; + } + --ifLevel; + } else if (op === 0x1C) { + // JMPR + if (!inFDEF && !inELSE) { + var offset = stack[stack.length - 1]; + // only jumping forward to prevent infinite loop + if (offset > 0) { + i += offset - 1; + } + } + } + // Adjusting stack not extactly, but just enough to get function id + if (!inFDEF && !inELSE) { + var stackDelta = op <= 0x8E ? TTOpsStackDeltas[op] : op >= 0xC0 && op <= 0xDF ? -1 : op >= 0xE0 ? -2 : 0; + if (op >= 0x71 && op <= 0x75) { + n = stack.pop(); + if (n === n) { + stackDelta = -n * 2; + } + } + while (stackDelta < 0 && stack.length > 0) { + stack.pop(); + stackDelta++; + } + while (stackDelta > 0) { + stack.push(NaN); + // pushing any number into stack + stackDelta--; + } + } + } + ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions; + var content = [data]; + if (i > data.length) { + content.push(new Uint8Array(i - data.length)); + } + if (lastDeff > lastEndf) { + warn('TT: complementing a missing function tail'); + // new function definition started, but not finished + // complete function by [CLEAR, ENDF] + content.push(new Uint8Array([ + 0x22, + 0x2D + ])); + } + foldTTTable(table, content); + } + function checkInvalidFunctions(ttContext, maxFunctionDefs) { + if (ttContext.tooComplexToFollowFunctions) { + return; + } + if (ttContext.functionsDefined.length > maxFunctionDefs) { + warn('TT: more functions defined than expected'); + ttContext.hintsValid = false; + return; + } + for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) { + if (j > maxFunctionDefs) { + warn('TT: invalid function id: ' + j); + ttContext.hintsValid = false; + return; + } + if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) { + warn('TT: undefined function: ' + j); + ttContext.hintsValid = false; + return; + } + } + } + function foldTTTable(table, content) { + if (content.length > 1) { + // concatenating the content items + var newLength = 0; + var j, jj; + for (j = 0, jj = content.length; j < jj; j++) { + newLength += content[j].length; + } + newLength = newLength + 3 & ~3; + var result = new Uint8Array(newLength); + var pos = 0; + for (j = 0, jj = content.length; j < jj; j++) { + result.set(content[j], pos); + pos += content[j].length; + } + table.data = result; + table.length = newLength; + } + } + function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) { + var ttContext = { + functionsDefined: [], + functionsUsed: [], + functionsStackDeltas: [], + tooComplexToFollowFunctions: false, + hintsValid: true + }; + if (fpgm) { + sanitizeTTProgram(fpgm, ttContext); + } + if (prep) { + sanitizeTTProgram(prep, ttContext); + } + if (fpgm) { + checkInvalidFunctions(ttContext, maxFunctionDefs); + } + if (cvt && cvt.length & 1) { + var cvtData = new Uint8Array(cvt.length + 1); + cvtData.set(cvt.data); + cvt.data = cvtData; + } + return ttContext.hintsValid; + } + // The following steps modify the original font data, making copy + font = new Stream(new Uint8Array(font.getBytes())); + var VALID_TABLES = [ + 'OS/2', + 'cmap', + 'head', + 'hhea', + 'hmtx', + 'maxp', + 'name', + 'post', + 'loca', + 'glyf', + 'fpgm', + 'prep', + 'cvt ', + 'CFF ' + ]; + var header = readOpenTypeHeader(font); + var numTables = header.numTables; + var cff, cffFile; + var tables = Object.create(null); + tables['OS/2'] = null; + tables['cmap'] = null; + tables['head'] = null; + tables['hhea'] = null; + tables['hmtx'] = null; + tables['maxp'] = null; + tables['name'] = null; + tables['post'] = null; + var table; + for (var i = 0; i < numTables; i++) { + table = readTableEntry(font); + if (VALID_TABLES.indexOf(table.tag) < 0) { + continue; + } + // skipping table if it's not a required or optional table + if (table.length === 0) { + continue; + } + // skipping empty tables + tables[table.tag] = table; + } + var isTrueType = !tables['CFF ']; + if (!isTrueType) { + // OpenType font + if (header.version === 'OTTO' && properties.type !== 'CIDFontType2' || !tables['head'] || !tables['hhea'] || !tables['maxp'] || !tables['post']) { + // no major tables: throwing everything at CFFFont + cffFile = new Stream(tables['CFF '].data); + cff = new CFFFont(cffFile, properties); + adjustWidths(properties); + return this.convert(name, cff, properties); + } + delete tables['glyf']; + delete tables['loca']; + delete tables['fpgm']; + delete tables['prep']; + delete tables['cvt ']; + this.isOpenType = true; + } else { + if (!tables['loca']) { + error('Required "loca" table is not found'); + } + if (!tables['glyf']) { + warn('Required "glyf" table is not found -- trying to recover.'); + // Note: We use `sanitizeGlyphLocations` to add dummy glyf data below. + tables['glyf'] = { + tag: 'glyf', + data: new Uint8Array(0) + }; + } + this.isOpenType = false; + } + if (!tables['maxp']) { + error('Required "maxp" table is not found'); + } + font.pos = (font.start || 0) + tables['maxp'].offset; + var version = font.getInt32(); + var numGlyphs = font.getUint16(); + var maxFunctionDefs = 0; + if (version >= 0x00010000 && tables['maxp'].length >= 22) { + // maxZones can be invalid + font.pos += 8; + var maxZones = font.getUint16(); + if (maxZones > 2) { + // reset to 2 if font has invalid maxZones + tables['maxp'].data[14] = 0; + tables['maxp'].data[15] = 2; + } + font.pos += 4; + maxFunctionDefs = font.getUint16(); + } + var dupFirstEntry = false; + if (properties.type === 'CIDFontType2' && properties.toUnicode && properties.toUnicode.get(0) > '\u0000') { + // oracle's defect (see 3427), duplicating first entry + dupFirstEntry = true; + numGlyphs++; + tables['maxp'].data[4] = numGlyphs >> 8; + tables['maxp'].data[5] = numGlyphs & 255; + } + var hintsValid = sanitizeTTPrograms(tables['fpgm'], tables['prep'], tables['cvt '], maxFunctionDefs); + if (!hintsValid) { + delete tables['fpgm']; + delete tables['prep']; + delete tables['cvt ']; + } + // Ensure the hmtx table contains the advance width and + // sidebearings information for numGlyphs in the maxp table + sanitizeMetrics(font, tables['hhea'], tables['hmtx'], numGlyphs); + if (!tables['head']) { + error('Required "head" table is not found'); + } + sanitizeHead(tables['head'], numGlyphs, isTrueType ? tables['loca'].length : 0); + var missingGlyphs = Object.create(null); + if (isTrueType) { + var isGlyphLocationsLong = int16(tables['head'].data[50], tables['head'].data[51]); + missingGlyphs = sanitizeGlyphLocations(tables['loca'], tables['glyf'], numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry); + } + if (!tables['hhea']) { + error('Required "hhea" table is not found'); + } + // Sanitizer reduces the glyph advanceWidth to the maxAdvanceWidth + // Sometimes it's 0. That needs to be fixed + if (tables['hhea'].data[10] === 0 && tables['hhea'].data[11] === 0) { + tables['hhea'].data[10] = 0xFF; + tables['hhea'].data[11] = 0xFF; + } + // Extract some more font properties from the OpenType head and + // hhea tables; yMin and descent value are always negative. + var metricsOverride = { + unitsPerEm: int16(tables['head'].data[18], tables['head'].data[19]), + yMax: int16(tables['head'].data[42], tables['head'].data[43]), + yMin: signedInt16(tables['head'].data[38], tables['head'].data[39]), + ascent: int16(tables['hhea'].data[4], tables['hhea'].data[5]), + descent: signedInt16(tables['hhea'].data[6], tables['hhea'].data[7]) + }; + // PDF FontDescriptor metrics lie -- using data from actual font. + this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm; + this.descent = metricsOverride.descent / metricsOverride.unitsPerEm; + // The 'post' table has glyphs names. + if (tables['post']) { + var valid = readPostScriptTable(tables['post'], properties, numGlyphs); + if (!valid) { + tables['post'] = null; + } + } + var charCodeToGlyphId = [], charCode; + var toUnicode = properties.toUnicode, widths = properties.widths; + var skipToUnicode = toUnicode instanceof IdentityToUnicodeMap || toUnicode.length === 0x10000; + // Helper function to try to skip mapping of empty glyphs. + // Note: In some cases, just relying on the glyph data doesn't work, + // hence we also use a few heuristics to fix various PDF files. + function hasGlyph(glyphId, charCode, widthCode) { + if (!missingGlyphs[glyphId]) { + return true; + } + if (!skipToUnicode && charCode >= 0 && toUnicode.has(charCode)) { + return true; + } + if (widths && widthCode >= 0 && isNum(widths[widthCode])) { + return true; + } + return false; + } + if (properties.type === 'CIDFontType2') { + var cidToGidMap = properties.cidToGidMap || []; + var isCidToGidMapEmpty = cidToGidMap.length === 0; + properties.cMap.forEach(function (charCode, cid) { + assert(cid <= 0xffff, 'Max size of CID is 65,535'); + var glyphId = -1; + if (isCidToGidMapEmpty) { + glyphId = cid; + } else if (cidToGidMap[cid] !== undefined) { + glyphId = cidToGidMap[cid]; + } + if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId, charCode, cid)) { + charCodeToGlyphId[charCode] = glyphId; + } + }); + if (dupFirstEntry && (isCidToGidMapEmpty || !charCodeToGlyphId[0])) { + // We don't duplicate the first entry in the `charCodeToGlyphId` map + // if the font has a `CIDToGIDMap` which has already mapped the first + // entry to a non-zero `glyphId` (fixes issue7544.pdf). + charCodeToGlyphId[0] = numGlyphs - 1; + } + } else { + // Most of the following logic in this code branch is based on the + // 9.6.6.4 of the PDF spec. + var cmapTable = readCmapTable(tables['cmap'], font, this.isSymbolicFont, properties.hasEncoding); + var cmapPlatformId = cmapTable.platformId; + var cmapEncodingId = cmapTable.encodingId; + var cmapMappings = cmapTable.mappings; + var cmapMappingsLength = cmapMappings.length; + // The spec seems to imply that if the font is symbolic the encoding + // should be ignored, this doesn't appear to work for 'preistabelle.pdf' + // where the the font is symbolic and it has an encoding. + if (properties.hasEncoding && (cmapPlatformId === 3 && cmapEncodingId === 1 || cmapPlatformId === 1 && cmapEncodingId === 0) || cmapPlatformId === -1 && cmapEncodingId === -1 && // Temporary hack + !!getEncoding(properties.baseEncodingName)) { + // Temporary hack + // When no preferred cmap table was found and |baseEncodingName| is + // one of the predefined encodings, we seem to obtain a better + // |charCodeToGlyphId| map from the code below (fixes bug 1057544). + // TODO: Note that this is a hack which should be removed as soon as + // we have proper support for more exotic cmap tables. + var baseEncoding = []; + if (properties.baseEncodingName === 'MacRomanEncoding' || properties.baseEncodingName === 'WinAnsiEncoding') { + baseEncoding = getEncoding(properties.baseEncodingName); + } + var glyphsUnicodeMap = getGlyphsUnicode(); + for (charCode = 0; charCode < 256; charCode++) { + var glyphName, standardGlyphName; + if (this.differences && charCode in this.differences) { + glyphName = this.differences[charCode]; + } else if (charCode in baseEncoding && baseEncoding[charCode] !== '') { + glyphName = baseEncoding[charCode]; + } else { + glyphName = StandardEncoding[charCode]; + } + if (!glyphName) { + continue; + } + // Ensure that non-standard glyph names are resolved to valid ones. + standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap); + var unicodeOrCharCode, isUnicode = false; + if (cmapPlatformId === 3 && cmapEncodingId === 1) { + unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName]; + isUnicode = true; + } else if (cmapPlatformId === 1 && cmapEncodingId === 0) { + // TODO: the encoding needs to be updated with mac os table. + unicodeOrCharCode = MacRomanEncoding.indexOf(standardGlyphName); + } + var found = false; + for (i = 0; i < cmapMappingsLength; ++i) { + if (cmapMappings[i].charCode !== unicodeOrCharCode) { + continue; + } + var code = isUnicode ? charCode : unicodeOrCharCode; + if (hasGlyph(cmapMappings[i].glyphId, code, -1)) { + charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; + found = true; + break; + } + } + if (!found && properties.glyphNames) { + // Try to map using the post table. + var glyphId = properties.glyphNames.indexOf(glyphName); + // The post table ought to use the same kind of glyph names as the + // `differences` array, but check the standard ones as a fallback. + if (glyphId === -1 && standardGlyphName !== glyphName) { + glyphId = properties.glyphNames.indexOf(standardGlyphName); + } + if (glyphId > 0 && hasGlyph(glyphId, -1, -1)) { + charCodeToGlyphId[charCode] = glyphId; + found = true; + } + } + if (!found) { + charCodeToGlyphId[charCode] = 0; + } + } + } else // notdef + if (cmapPlatformId === 0 && cmapEncodingId === 0) { + // Default Unicode semantics, use the charcodes as is. + for (i = 0; i < cmapMappingsLength; ++i) { + charCodeToGlyphId[cmapMappings[i].charCode] = cmapMappings[i].glyphId; + } + } else { + // For (3, 0) cmap tables: + // The charcode key being stored in charCodeToGlyphId is the lower + // byte of the two-byte charcodes of the cmap table since according to + // the spec: 'each byte from the string shall be prepended with the + // high byte of the range [of charcodes in the cmap table], to form + // a two-byte character, which shall be used to select the + // associated glyph description from the subtable'. + // + // For (1, 0) cmap tables: + // 'single bytes from the string shall be used to look up the + // associated glyph descriptions from the subtable'. This means + // charcodes in the cmap will be single bytes, so no-op since + // glyph.charCode & 0xFF === glyph.charCode + for (i = 0; i < cmapMappingsLength; ++i) { + charCode = cmapMappings[i].charCode & 0xFF; + charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; + } + } + } + if (charCodeToGlyphId.length === 0) { + // defines at least one glyph + charCodeToGlyphId[0] = 0; + } + // Converting glyphs and ids into font's cmap table + var newMapping = adjustMapping(charCodeToGlyphId, properties); + this.toFontChar = newMapping.toFontChar; + tables['cmap'] = { + tag: 'cmap', + data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphs) + }; + if (!tables['OS/2'] || !validateOS2Table(tables['OS/2'])) { + tables['OS/2'] = { + tag: 'OS/2', + data: createOS2Table(properties, newMapping.charCodeToGlyphId, metricsOverride) + }; + } + // Rewrite the 'post' table if needed + if (!tables['post']) { + tables['post'] = { + tag: 'post', + data: createPostTable(properties) + }; + } + if (!isTrueType) { + try { + // Trying to repair CFF file + cffFile = new Stream(tables['CFF '].data); + var parser = new CFFParser(cffFile, properties, SEAC_ANALYSIS_ENABLED); + cff = parser.parse(); + var compiler = new CFFCompiler(cff); + tables['CFF '].data = compiler.compile(); + } catch (e) { + warn('Failed to compile font ' + properties.loadedName); + } + } + // Re-creating 'name' table + if (!tables['name']) { + tables['name'] = { + tag: 'name', + data: createNameTable(this.name) + }; + } else { + // ... using existing 'name' table as prototype + var namePrototype = readNameTable(tables['name']); + tables['name'].data = createNameTable(name, namePrototype); + } + var builder = new OpenTypeFileBuilder(header.version); + for (var tableTag in tables) { + builder.addTable(tableTag, tables[tableTag].data); + } + return builder.toArray(); + }, + convert: function Font_convert(fontName, font, properties) { + // TODO: Check the charstring widths to determine this. + properties.fixedPitch = false; + if (properties.builtInEncoding) { + // For Type1 fonts that do not include either `ToUnicode` or `Encoding` + // data, attempt to use the `builtInEncoding` to improve text selection. + adjustToUnicode(properties, properties.builtInEncoding); + } + var mapping = font.getGlyphMapping(properties); + var newMapping = adjustMapping(mapping, properties); + this.toFontChar = newMapping.toFontChar; + var numGlyphs = font.numGlyphs; + function getCharCodes(charCodeToGlyphId, glyphId) { + var charCodes = null; + for (var charCode in charCodeToGlyphId) { + if (glyphId === charCodeToGlyphId[charCode]) { + if (!charCodes) { + charCodes = []; + } + charCodes.push(charCode | 0); + } + } + return charCodes; + } + function createCharCode(charCodeToGlyphId, glyphId) { + for (var charCode in charCodeToGlyphId) { + if (glyphId === charCodeToGlyphId[charCode]) { + return charCode | 0; + } + } + newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = glyphId; + return newMapping.nextAvailableFontCharCode++; + } + var seacs = font.seacs; + if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) { + var matrix = properties.fontMatrix || FONT_IDENTITY_MATRIX; + var charset = font.getCharset(); + var seacMap = Object.create(null); + for (var glyphId in seacs) { + glyphId |= 0; + var seac = seacs[glyphId]; + var baseGlyphName = StandardEncoding[seac[2]]; + var accentGlyphName = StandardEncoding[seac[3]]; + var baseGlyphId = charset.indexOf(baseGlyphName); + var accentGlyphId = charset.indexOf(accentGlyphName); + if (baseGlyphId < 0 || accentGlyphId < 0) { + continue; + } + var accentOffset = { + x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4], + y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5] + }; + var charCodes = getCharCodes(mapping, glyphId); + if (!charCodes) { + // There's no point in mapping it if the char code was never mapped + // to begin with. + continue; + } + for (var i = 0, ii = charCodes.length; i < ii; i++) { + var charCode = charCodes[i]; + // Find a fontCharCode that maps to the base and accent glyphs. + // If one doesn't exists, create it. + var charCodeToGlyphId = newMapping.charCodeToGlyphId; + var baseFontCharCode = createCharCode(charCodeToGlyphId, baseGlyphId); + var accentFontCharCode = createCharCode(charCodeToGlyphId, accentGlyphId); + seacMap[charCode] = { + baseFontCharCode: baseFontCharCode, + accentFontCharCode: accentFontCharCode, + accentOffset: accentOffset + }; + } + } + properties.seacMap = seacMap; + } + var unitsPerEm = 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]; + var builder = new OpenTypeFileBuilder('\x4F\x54\x54\x4F'); + // PostScript Font Program + builder.addTable('CFF ', font.data); + // OS/2 and Windows Specific metrics + builder.addTable('OS/2', createOS2Table(properties, newMapping.charCodeToGlyphId)); + // Character to glyphs mapping + builder.addTable('cmap', createCmapTable(newMapping.charCodeToGlyphId, numGlyphs)); + // Font header + builder.addTable('head', '\x00\x01\x00\x00' + // Version number + '\x00\x00\x10\x00' + // fontRevision + '\x00\x00\x00\x00' + // checksumAdjustement + '\x5F\x0F\x3C\xF5' + // magicNumber + '\x00\x00' + // Flags + safeString16(unitsPerEm) + // unitsPerEM + '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // creation date + '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // modifification date + '\x00\x00' + // xMin + safeString16(properties.descent) + // yMin + '\x0F\xFF' + // xMax + safeString16(properties.ascent) + // yMax + string16(properties.italicAngle ? 2 : 0) + // macStyle + '\x00\x11' + // lowestRecPPEM + '\x00\x00' + // fontDirectionHint + '\x00\x00' + // indexToLocFormat + '\x00\x00'); + // glyphDataFormat + // Horizontal header + builder.addTable('hhea', '\x00\x01\x00\x00' + // Version number + safeString16(properties.ascent) + // Typographic Ascent + safeString16(properties.descent) + // Typographic Descent + '\x00\x00' + // Line Gap + '\xFF\xFF' + // advanceWidthMax + '\x00\x00' + // minLeftSidebearing + '\x00\x00' + // minRightSidebearing + '\x00\x00' + // xMaxExtent + safeString16(properties.capHeight) + // caretSlopeRise + safeString16(Math.tan(properties.italicAngle) * properties.xHeight) + // caretSlopeRun + '\x00\x00' + // caretOffset + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // metricDataFormat + string16(numGlyphs)); + // Number of HMetrics + // Horizontal metrics + builder.addTable('hmtx', function fontFieldsHmtx() { + var charstrings = font.charstrings; + var cffWidths = font.cff ? font.cff.widths : null; + var hmtx = '\x00\x00\x00\x00'; + // Fake .notdef + for (var i = 1, ii = numGlyphs; i < ii; i++) { + var width = 0; + if (charstrings) { + var charstring = charstrings[i - 1]; + width = 'width' in charstring ? charstring.width : 0; + } else if (cffWidths) { + width = Math.ceil(cffWidths[i] || 0); + } + hmtx += string16(width) + string16(0); + } + return hmtx; + }()); + // Maximum profile + builder.addTable('maxp', '\x00\x00\x50\x00' + // Version number + string16(numGlyphs)); + // Num of glyphs + // Naming tables + builder.addTable('name', createNameTable(fontName)); + // PostScript information + builder.addTable('post', createPostTable(properties)); + return builder.toArray(); + }, + get spaceWidth() { + if ('_shadowWidth' in this) { + return this._shadowWidth; + } + // trying to estimate space character width + var possibleSpaceReplacements = [ + 'space', + 'minus', + 'one', + 'i', + 'I' + ]; + var width; + for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) { + var glyphName = possibleSpaceReplacements[i]; + // if possible, getting width by glyph name + if (glyphName in this.widths) { + width = this.widths[glyphName]; + break; + } + var glyphsUnicodeMap = getGlyphsUnicode(); + var glyphUnicode = glyphsUnicodeMap[glyphName]; + // finding the charcode via unicodeToCID map + var charcode = 0; + if (this.composite) { + if (this.cMap.contains(glyphUnicode)) { + charcode = this.cMap.lookup(glyphUnicode); + } + } + // ... via toUnicode map + if (!charcode && this.toUnicode) { + charcode = this.toUnicode.charCodeOf(glyphUnicode); + } + // setting it to unicode if negative or undefined + if (charcode <= 0) { + charcode = glyphUnicode; + } + // trying to get width via charcode + width = this.widths[charcode]; + if (width) { + break; + } + } + // the non-zero width found + width = width || this.defaultWidth; + // Do not shadow the property here. See discussion: + // https://github.com/mozilla/pdf.js/pull/2127#discussion_r1662280 + this._shadowWidth = width; + return width; + }, + charToGlyph: function Font_charToGlyph(charcode, isSpace) { + var fontCharCode, width, operatorListId; + var widthCode = charcode; + if (this.cMap && this.cMap.contains(charcode)) { + widthCode = this.cMap.lookup(charcode); + } + width = this.widths[widthCode]; + width = isNum(width) ? width : this.defaultWidth; + var vmetric = this.vmetrics && this.vmetrics[widthCode]; + var unicode = this.toUnicode.get(charcode) || charcode; + if (typeof unicode === 'number') { + unicode = String.fromCharCode(unicode); + } + var isInFont = charcode in this.toFontChar; + // First try the toFontChar map, if it's not there then try falling + // back to the char code. + fontCharCode = this.toFontChar[charcode] || charcode; + if (this.missingFile) { + fontCharCode = mapSpecialUnicodeValues(fontCharCode); + } + if (this.isType3Font) { + // Font char code in this case is actually a glyph name. + operatorListId = fontCharCode; + } + var accent = null; + if (this.seacMap && this.seacMap[charcode]) { + isInFont = true; + var seac = this.seacMap[charcode]; + fontCharCode = seac.baseFontCharCode; + accent = { + fontChar: String.fromCharCode(seac.accentFontCharCode), + offset: seac.accentOffset + }; + } + var fontChar = String.fromCharCode(fontCharCode); + var glyph = this.glyphCache[charcode]; + if (!glyph || !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont)) { + glyph = new Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont); + this.glyphCache[charcode] = glyph; + } + return glyph; + }, + charsToGlyphs: function Font_charsToGlyphs(chars) { + var charsCache = this.charsCache; + var glyphs, glyph, charcode; + // if we translated this string before, just grab it from the cache + if (charsCache) { + glyphs = charsCache[chars]; + if (glyphs) { + return glyphs; + } + } + // lazily create the translation cache + if (!charsCache) { + charsCache = this.charsCache = Object.create(null); + } + glyphs = []; + var charsCacheKey = chars; + var i = 0, ii; + if (this.cMap) { + // composite fonts have multi-byte strings convert the string from + // single-byte to multi-byte + var c = Object.create(null); + while (i < chars.length) { + this.cMap.readCharCode(chars, i, c); + charcode = c.charcode; + var length = c.length; + i += length; + // Space is char with code 0x20 and length 1 in multiple-byte codes. + var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20; + glyph = this.charToGlyph(charcode, isSpace); + glyphs.push(glyph); + } + } else { + for (i = 0, ii = chars.length; i < ii; ++i) { + charcode = chars.charCodeAt(i); + glyph = this.charToGlyph(charcode, charcode === 0x20); + glyphs.push(glyph); + } + } + // Enter the translated string into the cache + return charsCache[charsCacheKey] = glyphs; + } + }; + return Font; + }(); + var ErrorFont = function ErrorFontClosure() { + function ErrorFont(error) { + this.error = error; + this.loadedName = 'g_font_error'; + this.loading = false; + } + ErrorFont.prototype = { + charsToGlyphs: function ErrorFont_charsToGlyphs() { + return []; + }, + exportData: function ErrorFont_exportData() { + return { error: this.error }; + } + }; + return ErrorFont; + }(); + /** + * Shared logic for building a char code to glyph id mapping for Type1 and + * simple CFF fonts. See section 9.6.6.2 of the spec. + * @param {Object} properties Font properties object. + * @param {Object} builtInEncoding The encoding contained within the actual font + * data. + * @param {Array} glyphNames Array of glyph names where the index is the + * glyph ID. + * @returns {Object} A char code to glyph ID map. + */ + function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) { + var charCodeToGlyphId = Object.create(null); + var glyphId, charCode, baseEncoding; + if (properties.baseEncodingName) { + // If a valid base encoding name was used, the mapping is initialized with + // that. + baseEncoding = getEncoding(properties.baseEncodingName); + for (charCode = 0; charCode < baseEncoding.length; charCode++) { + glyphId = glyphNames.indexOf(baseEncoding[charCode]); + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; + } + } + } else // notdef + if (!!(properties.flags & FontFlags.Symbolic)) { + // For a symbolic font the encoding should be the fonts built-in + // encoding. + for (charCode in builtInEncoding) { + charCodeToGlyphId[charCode] = builtInEncoding[charCode]; + } + } else { + // For non-symbolic fonts that don't have a base encoding the standard + // encoding should be used. + baseEncoding = StandardEncoding; + for (charCode = 0; charCode < baseEncoding.length; charCode++) { + glyphId = glyphNames.indexOf(baseEncoding[charCode]); + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; + } + } + } + // notdef + // Lastly, merge in the differences. + var differences = properties.differences, glyphsUnicodeMap; + if (differences) { + for (charCode in differences) { + var glyphName = differences[charCode]; + glyphId = glyphNames.indexOf(glyphName); + if (glyphId === -1) { + if (!glyphsUnicodeMap) { + glyphsUnicodeMap = getGlyphsUnicode(); + } + var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap); + if (standardGlyphName !== glyphName) { + glyphId = glyphNames.indexOf(standardGlyphName); + } + } + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; + } + } + } + // notdef + return charCodeToGlyphId; + } + // Type1Font is also a CIDFontType0. + var Type1Font = function Type1FontClosure() { + function findBlock(streamBytes, signature, startIndex) { + var streamBytesLength = streamBytes.length; + var signatureLength = signature.length; + var scanLength = streamBytesLength - signatureLength; + var i = startIndex, j, found = false; + while (i < scanLength) { + j = 0; + while (j < signatureLength && streamBytes[i + j] === signature[j]) { + j++; + } + if (j >= signatureLength) { + // `signature` found, skip over whitespace. + i += j; + while (i < streamBytesLength && isSpace(streamBytes[i])) { + i++; + } + found = true; + break; + } + i++; + } + return { + found: found, + length: i + }; + } + function getHeaderBlock(stream, suggestedLength) { + var EEXEC_SIGNATURE = [ + 0x65, + 0x65, + 0x78, + 0x65, + 0x63 + ]; + var streamStartPos = stream.pos; + // Save the initial stream position. + var headerBytes, headerBytesLength, block; + try { + headerBytes = stream.getBytes(suggestedLength); + headerBytesLength = headerBytes.length; + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + } + // Ignore errors if the `suggestedLength` is huge enough that a Uint8Array + // cannot hold the result of `getBytes`, and fallback to simply checking + // the entire stream (fixes issue3928.pdf). + if (headerBytesLength === suggestedLength) { + // Most of the time `suggestedLength` is correct, so to speed things up we + // initially only check the last few bytes to see if the header was found. + // Otherwise we (potentially) check the entire stream to prevent errors in + // `Type1Parser` (fixes issue5686.pdf). + block = findBlock(headerBytes, EEXEC_SIGNATURE, suggestedLength - 2 * EEXEC_SIGNATURE.length); + if (block.found && block.length === suggestedLength) { + return { + stream: new Stream(headerBytes), + length: suggestedLength + }; + } + } + warn('Invalid "Length1" property in Type1 font -- trying to recover.'); + stream.pos = streamStartPos; + // Reset the stream position. + var SCAN_BLOCK_LENGTH = 2048; + var actualLength; + while (true) { + var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH); + block = findBlock(scanBytes, EEXEC_SIGNATURE, 0); + if (block.length === 0) { + break; + } + stream.pos += block.length; + // Update the stream position. + if (block.found) { + actualLength = stream.pos - streamStartPos; + break; + } + } + stream.pos = streamStartPos; + // Reset the stream position. + if (actualLength) { + return { + stream: new Stream(stream.getBytes(actualLength)), + length: actualLength + }; + } + warn('Unable to recover "Length1" property in Type1 font -- using as is.'); + return { + stream: new Stream(stream.getBytes(suggestedLength)), + length: suggestedLength + }; + } + function getEexecBlock(stream, suggestedLength) { + // We should ideally parse the eexec block to ensure that `suggestedLength` + // is correct, so we don't truncate the block data if it's too small. + // However, this would also require checking if the fixed-content portion + // exists (using the 'Length3' property), and ensuring that it's valid. + // + // Given that `suggestedLength` almost always is correct, all the validation + // would require a great deal of unnecessary parsing for most fonts. + // To save time, we always fetch the entire stream instead, which also avoid + // issues if `suggestedLength` is huge (see comment in `getHeaderBlock`). + // + // NOTE: This means that the function can include the fixed-content portion + // in the returned eexec block. In practice this does *not* seem to matter, + // since `Type1Parser_extractFontProgram` will skip over any non-commands. + var eexecBytes = stream.getBytes(); + return { + stream: new Stream(eexecBytes), + length: eexecBytes.length + }; + } + function Type1Font(name, file, properties) { + // Some bad generators embed pfb file as is, we have to strip 6-byte header. + // Also, length1 and length2 might be off by 6 bytes as well. + // http://www.math.ubc.ca/~cass/piscript/type1.pdf + var PFB_HEADER_SIZE = 6; + var headerBlockLength = properties.length1; + var eexecBlockLength = properties.length2; + var pfbHeader = file.peekBytes(PFB_HEADER_SIZE); + var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01; + if (pfbHeaderPresent) { + file.skip(PFB_HEADER_SIZE); + headerBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2]; + } + // Get the data block containing glyphs and subrs information + var headerBlock = getHeaderBlock(file, headerBlockLength); + headerBlockLength = headerBlock.length; + var headerBlockParser = new Type1Parser(headerBlock.stream, false, SEAC_ANALYSIS_ENABLED); + headerBlockParser.extractFontHeader(properties); + if (pfbHeaderPresent) { + pfbHeader = file.getBytes(PFB_HEADER_SIZE); + eexecBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2]; + } + // Decrypt the data blocks and retrieve it's content + var eexecBlock = getEexecBlock(file, eexecBlockLength); + eexecBlockLength = eexecBlock.length; + var eexecBlockParser = new Type1Parser(eexecBlock.stream, true, SEAC_ANALYSIS_ENABLED); + var data = eexecBlockParser.extractFontProgram(); + for (var info in data.properties) { + properties[info] = data.properties[info]; + } + var charstrings = data.charstrings; + var type2Charstrings = this.getType2Charstrings(charstrings); + var subrs = this.getType2Subrs(data.subrs); + this.charstrings = charstrings; + this.data = this.wrap(name, type2Charstrings, this.charstrings, subrs, properties); + this.seacs = this.getSeacs(data.charstrings); + } + Type1Font.prototype = { + get numGlyphs() { + return this.charstrings.length + 1; + }, + getCharset: function Type1Font_getCharset() { + var charset = ['.notdef']; + var charstrings = this.charstrings; + for (var glyphId = 0; glyphId < charstrings.length; glyphId++) { + charset.push(charstrings[glyphId].glyphName); + } + return charset; + }, + getGlyphMapping: function Type1Font_getGlyphMapping(properties) { + var charstrings = this.charstrings; + var glyphNames = ['.notdef'], glyphId; + for (glyphId = 0; glyphId < charstrings.length; glyphId++) { + glyphNames.push(charstrings[glyphId].glyphName); + } + var encoding = properties.builtInEncoding; + if (encoding) { + var builtInEncoding = Object.create(null); + for (var charCode in encoding) { + glyphId = glyphNames.indexOf(encoding[charCode]); + if (glyphId >= 0) { + builtInEncoding[charCode] = glyphId; + } + } + } + return type1FontGlyphMapping(properties, builtInEncoding, glyphNames); + }, + getSeacs: function Type1Font_getSeacs(charstrings) { + var i, ii; + var seacMap = []; + for (i = 0, ii = charstrings.length; i < ii; i++) { + var charstring = charstrings[i]; + if (charstring.seac) { + // Offset by 1 for .notdef + seacMap[i + 1] = charstring.seac; + } + } + return seacMap; + }, + getType2Charstrings: function Type1Font_getType2Charstrings(type1Charstrings) { + var type2Charstrings = []; + for (var i = 0, ii = type1Charstrings.length; i < ii; i++) { + type2Charstrings.push(type1Charstrings[i].charstring); + } + return type2Charstrings; + }, + getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) { + var bias = 0; + var count = type1Subrs.length; + if (count < 1133) { + bias = 107; + } else if (count < 33769) { + bias = 1131; + } else { + bias = 32768; + } + // Add a bunch of empty subrs to deal with the Type2 bias + var type2Subrs = []; + var i; + for (i = 0; i < bias; i++) { + type2Subrs.push([0x0B]); + } + for (i = 0; i < count; i++) { + type2Subrs.push(type1Subrs[i]); + } + return type2Subrs; + }, + wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, properties) { + var cff = new CFF(); + cff.header = new CFFHeader(1, 0, 4, 4); + cff.names = [name]; + var topDict = new CFFTopDict(); + // CFF strings IDs 0...390 are predefined names, so refering + // to entries in our own String INDEX starts at SID 391. + topDict.setByName('version', 391); + topDict.setByName('Notice', 392); + topDict.setByName('FullName', 393); + topDict.setByName('FamilyName', 394); + topDict.setByName('Weight', 395); + topDict.setByName('Encoding', null); + // placeholder + topDict.setByName('FontMatrix', properties.fontMatrix); + topDict.setByName('FontBBox', properties.bbox); + topDict.setByName('charset', null); + // placeholder + topDict.setByName('CharStrings', null); + // placeholder + topDict.setByName('Private', null); + // placeholder + cff.topDict = topDict; + var strings = new CFFStrings(); + strings.add('Version 0.11'); + // Version + strings.add('See original notice'); + // Notice + strings.add(name); + // FullName + strings.add(name); + // FamilyName + strings.add('Medium'); + // Weight + cff.strings = strings; + cff.globalSubrIndex = new CFFIndex(); + var count = glyphs.length; + var charsetArray = [0]; + var i, ii; + for (i = 0; i < count; i++) { + var index = CFFStandardStrings.indexOf(charstrings[i].glyphName); + // TODO: Insert the string and correctly map it. Previously it was + // thought mapping names that aren't in the standard strings to .notdef + // was fine, however in issue818 when mapping them all to .notdef the + // adieresis glyph no longer worked. + if (index === -1) { + index = 0; + } + charsetArray.push(index >> 8 & 0xff, index & 0xff); + } + cff.charset = new CFFCharset(false, 0, [], charsetArray); + var charStringsIndex = new CFFIndex(); + charStringsIndex.add([ + 0x8B, + 0x0E + ]); + // .notdef + for (i = 0; i < count; i++) { + var glyph = glyphs[i]; + // If the CharString outline is empty, replace it with .notdef to + // prevent OTS from rejecting the font (fixes bug1252420.pdf). + if (glyph.length === 0) { + charStringsIndex.add([ + 0x8B, + 0x0E + ]); + // .notdef + continue; + } + charStringsIndex.add(glyph); + } + cff.charStrings = charStringsIndex; + var privateDict = new CFFPrivateDict(); + privateDict.setByName('Subrs', null); + // placeholder + var fields = [ + 'BlueValues', + 'OtherBlues', + 'FamilyBlues', + 'FamilyOtherBlues', + 'StemSnapH', + 'StemSnapV', + 'BlueShift', + 'BlueFuzz', + 'BlueScale', + 'LanguageGroup', + 'ExpansionFactor', + 'ForceBold', + 'StdHW', + 'StdVW' + ]; + for (i = 0, ii = fields.length; i < ii; i++) { + var field = fields[i]; + if (!(field in properties.privateData)) { + continue; + } + var value = properties.privateData[field]; + if (isArray(value)) { + // All of the private dictionary array data in CFF must be stored as + // "delta-encoded" numbers. + for (var j = value.length - 1; j > 0; j--) { + value[j] -= value[j - 1]; + } + } + // ... difference from previous value + privateDict.setByName(field, value); + } + cff.topDict.privateDict = privateDict; + var subrIndex = new CFFIndex(); + for (i = 0, ii = subrs.length; i < ii; i++) { + subrIndex.add(subrs[i]); + } + privateDict.subrsIndex = subrIndex; + var compiler = new CFFCompiler(cff); + return compiler.compile(); + } + }; + return Type1Font; + }(); + var CFFFont = function CFFFontClosure() { + function CFFFont(file, properties) { + this.properties = properties; + var parser = new CFFParser(file, properties, SEAC_ANALYSIS_ENABLED); + this.cff = parser.parse(); + var compiler = new CFFCompiler(this.cff); + this.seacs = this.cff.seacs; + try { + this.data = compiler.compile(); + } catch (e) { + warn('Failed to compile font ' + properties.loadedName); + // There may have just been an issue with the compiler, set the data + // anyway and hope the font loaded. + this.data = file; + } + } + CFFFont.prototype = { + get numGlyphs() { + return this.cff.charStrings.count; + }, + getCharset: function CFFFont_getCharset() { + return this.cff.charset.charset; + }, + getGlyphMapping: function CFFFont_getGlyphMapping() { + var cff = this.cff; + var properties = this.properties; + var charsets = cff.charset.charset; + var charCodeToGlyphId; + var glyphId; + if (properties.composite) { + charCodeToGlyphId = Object.create(null); + if (cff.isCIDFont) { + // If the font is actually a CID font then we should use the charset + // to map CIDs to GIDs. + for (glyphId = 0; glyphId < charsets.length; glyphId++) { + var cid = charsets[glyphId]; + var charCode = properties.cMap.charCodeOf(cid); + charCodeToGlyphId[charCode] = glyphId; + } + } else { + // If it is NOT actually a CID font then CIDs should be mapped + // directly to GIDs. + for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) { + charCodeToGlyphId[glyphId] = glyphId; + } + } + return charCodeToGlyphId; + } + var encoding = cff.encoding ? cff.encoding.encoding : null; + charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets); + return charCodeToGlyphId; + } + }; + return CFFFont; + }(); + // Workaround for seac on Windows. + (function checkSeacSupport() { + if (typeof navigator !== 'undefined' && /Windows/.test(navigator.userAgent)) { + SEAC_ANALYSIS_ENABLED = true; + } + }()); + // Workaround for Private Use Area characters in Chrome on Windows + // http://code.google.com/p/chromium/issues/detail?id=122465 + // https://github.com/mozilla/pdf.js/issues/1689 + (function checkChromeWindows() { + if (typeof navigator !== 'undefined' && /Windows.*Chrome/.test(navigator.userAgent)) { + SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = true; + } + }()); + exports.ErrorFont = ErrorFont; + exports.Font = Font; + exports.FontFlags = FontFlags; + exports.IdentityToUnicodeMap = IdentityToUnicodeMap; + exports.ToUnicodeMap = ToUnicodeMap; + exports.getFontType = getFontType; + })); + (function (root, factory) { + factory(root.pdfjsCorePsParser = {}, root.pdfjsSharedUtil, root.pdfjsCoreParser); + }(this, function (exports, sharedUtil, coreParser) { + var error = sharedUtil.error; + var isSpace = sharedUtil.isSpace; + var EOF = coreParser.EOF; + var PostScriptParser = function PostScriptParserClosure() { + function PostScriptParser(lexer) { + this.lexer = lexer; + this.operators = []; + this.token = null; + this.prev = null; + } + PostScriptParser.prototype = { + nextToken: function PostScriptParser_nextToken() { + this.prev = this.token; + this.token = this.lexer.getToken(); + }, + accept: function PostScriptParser_accept(type) { + if (this.token.type === type) { + this.nextToken(); + return true; + } + return false; + }, + expect: function PostScriptParser_expect(type) { + if (this.accept(type)) { + return true; + } + error('Unexpected symbol: found ' + this.token.type + ' expected ' + type + '.'); + }, + parse: function PostScriptParser_parse() { + this.nextToken(); + this.expect(PostScriptTokenTypes.LBRACE); + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + return this.operators; + }, + parseBlock: function PostScriptParser_parseBlock() { + while (true) { + if (this.accept(PostScriptTokenTypes.NUMBER)) { + this.operators.push(this.prev.value); + } else if (this.accept(PostScriptTokenTypes.OPERATOR)) { + this.operators.push(this.prev.value); + } else if (this.accept(PostScriptTokenTypes.LBRACE)) { + this.parseCondition(); + } else { + return; + } + } + }, + parseCondition: function PostScriptParser_parseCondition() { + // Add two place holders that will be updated later + var conditionLocation = this.operators.length; + this.operators.push(null, null); + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + if (this.accept(PostScriptTokenTypes.IF)) { + // The true block is right after the 'if' so it just falls through on + // true else it jumps and skips the true block. + this.operators[conditionLocation] = this.operators.length; + this.operators[conditionLocation + 1] = 'jz'; + } else if (this.accept(PostScriptTokenTypes.LBRACE)) { + var jumpLocation = this.operators.length; + this.operators.push(null, null); + var endOfTrue = this.operators.length; + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + this.expect(PostScriptTokenTypes.IFELSE); + // The jump is added at the end of the true block to skip the false + // block. + this.operators[jumpLocation] = this.operators.length; + this.operators[jumpLocation + 1] = 'j'; + this.operators[conditionLocation] = endOfTrue; + this.operators[conditionLocation + 1] = 'jz'; + } else { + error('PS Function: error parsing conditional.'); + } + } + }; + return PostScriptParser; + }(); + var PostScriptTokenTypes = { + LBRACE: 0, + RBRACE: 1, + NUMBER: 2, + OPERATOR: 3, + IF: 4, + IFELSE: 5 + }; + var PostScriptToken = function PostScriptTokenClosure() { + function PostScriptToken(type, value) { + this.type = type; + this.value = value; + } + var opCache = Object.create(null); + PostScriptToken.getOperator = function PostScriptToken_getOperator(op) { + var opValue = opCache[op]; + if (opValue) { + return opValue; + } + return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op); + }; + PostScriptToken.LBRACE = new PostScriptToken(PostScriptTokenTypes.LBRACE, '{'); + PostScriptToken.RBRACE = new PostScriptToken(PostScriptTokenTypes.RBRACE, '}'); + PostScriptToken.IF = new PostScriptToken(PostScriptTokenTypes.IF, 'IF'); + PostScriptToken.IFELSE = new PostScriptToken(PostScriptTokenTypes.IFELSE, 'IFELSE'); + return PostScriptToken; + }(); + var PostScriptLexer = function PostScriptLexerClosure() { + function PostScriptLexer(stream) { + this.stream = stream; + this.nextChar(); + this.strBuf = []; + } + PostScriptLexer.prototype = { + nextChar: function PostScriptLexer_nextChar() { + return this.currentChar = this.stream.getByte(); + }, + getToken: function PostScriptLexer_getToken() { + var comment = false; + var ch = this.currentChar; + // skip comments + while (true) { + if (ch < 0) { + return EOF; + } + if (comment) { + if (ch === 0x0A || ch === 0x0D) { + comment = false; + } + } else if (ch === 0x25) { + // '%' + comment = true; + } else if (!isSpace(ch)) { + break; + } + ch = this.nextChar(); + } + switch (ch | 0) { + case 0x30: + case 0x31: + case 0x32: + case 0x33: + case 0x34: + // '0'-'4' + case 0x35: + case 0x36: + case 0x37: + case 0x38: + case 0x39: + // '5'-'9' + case 0x2B: + case 0x2D: + case 0x2E: + // '+', '-', '.' + return new PostScriptToken(PostScriptTokenTypes.NUMBER, this.getNumber()); + case 0x7B: + // '{' + this.nextChar(); + return PostScriptToken.LBRACE; + case 0x7D: + // '}' + this.nextChar(); + return PostScriptToken.RBRACE; + } + // operator + var strBuf = this.strBuf; + strBuf.length = 0; + strBuf[0] = String.fromCharCode(ch); + while ((ch = this.nextChar()) >= 0 && // and 'A'-'Z', 'a'-'z' + (ch >= 0x41 && ch <= 0x5A || ch >= 0x61 && ch <= 0x7A)) { + strBuf.push(String.fromCharCode(ch)); + } + var str = strBuf.join(''); + switch (str.toLowerCase()) { + case 'if': + return PostScriptToken.IF; + case 'ifelse': + return PostScriptToken.IFELSE; + default: + return PostScriptToken.getOperator(str); + } + }, + getNumber: function PostScriptLexer_getNumber() { + var ch = this.currentChar; + var strBuf = this.strBuf; + strBuf.length = 0; + strBuf[0] = String.fromCharCode(ch); + while ((ch = this.nextChar()) >= 0) { + if (ch >= 0x30 && ch <= 0x39 || // '0'-'9' + ch === 0x2D || ch === 0x2E) { + // '-', '.' + strBuf.push(String.fromCharCode(ch)); + } else { + break; + } + } + var value = parseFloat(strBuf.join('')); + if (isNaN(value)) { + error('Invalid floating point number: ' + value); + } + return value; + } + }; + return PostScriptLexer; + }(); + exports.PostScriptLexer = PostScriptLexer; + exports.PostScriptParser = PostScriptParser; + })); + (function (root, factory) { + factory(root.pdfjsCoreFunction = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCorePsParser); + }(this, function (exports, sharedUtil, corePrimitives, corePsParser) { + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var isBool = sharedUtil.isBool; + var isDict = corePrimitives.isDict; + var isStream = corePrimitives.isStream; + var PostScriptLexer = corePsParser.PostScriptLexer; + var PostScriptParser = corePsParser.PostScriptParser; + var PDFFunction = function PDFFunctionClosure() { + var CONSTRUCT_SAMPLED = 0; + var CONSTRUCT_INTERPOLATED = 2; + var CONSTRUCT_STICHED = 3; + var CONSTRUCT_POSTSCRIPT = 4; + return { + getSampleArray: function PDFFunction_getSampleArray(size, outputSize, bps, str) { + var i, ii; + var length = 1; + for (i = 0, ii = size.length; i < ii; i++) { + length *= size[i]; + } + length *= outputSize; + var array = new Array(length); + var codeSize = 0; + var codeBuf = 0; + // 32 is a valid bps so shifting won't work + var sampleMul = 1.0 / (Math.pow(2.0, bps) - 1); + var strBytes = str.getBytes((length * bps + 7) / 8); + var strIdx = 0; + for (i = 0; i < length; i++) { + while (codeSize < bps) { + codeBuf <<= 8; + codeBuf |= strBytes[strIdx++]; + codeSize += 8; + } + codeSize -= bps; + array[i] = (codeBuf >> codeSize) * sampleMul; + codeBuf &= (1 << codeSize) - 1; + } + return array; + }, + getIR: function PDFFunction_getIR(xref, fn) { + var dict = fn.dict; + if (!dict) { + dict = fn; + } + var types = [ + this.constructSampled, + null, + this.constructInterpolated, + this.constructStiched, + this.constructPostScript + ]; + var typeNum = dict.get('FunctionType'); + var typeFn = types[typeNum]; + if (!typeFn) { + error('Unknown type of function'); + } + return typeFn.call(this, fn, dict, xref); + }, + fromIR: function PDFFunction_fromIR(IR) { + var type = IR[0]; + switch (type) { + case CONSTRUCT_SAMPLED: + return this.constructSampledFromIR(IR); + case CONSTRUCT_INTERPOLATED: + return this.constructInterpolatedFromIR(IR); + case CONSTRUCT_STICHED: + return this.constructStichedFromIR(IR); + //case CONSTRUCT_POSTSCRIPT: + default: + return this.constructPostScriptFromIR(IR); + } + }, + parse: function PDFFunction_parse(xref, fn) { + var IR = this.getIR(xref, fn); + return this.fromIR(IR); + }, + parseArray: function PDFFunction_parseArray(xref, fnObj) { + if (!isArray(fnObj)) { + // not an array -- parsing as regular function + return this.parse(xref, fnObj); + } + var fnArray = []; + for (var j = 0, jj = fnObj.length; j < jj; j++) { + var obj = xref.fetchIfRef(fnObj[j]); + fnArray.push(PDFFunction.parse(xref, obj)); + } + return function (src, srcOffset, dest, destOffset) { + for (var i = 0, ii = fnArray.length; i < ii; i++) { + fnArray[i](src, srcOffset, dest, destOffset + i); + } + }; + }, + constructSampled: function PDFFunction_constructSampled(str, dict) { + function toMultiArray(arr) { + var inputLength = arr.length; + var out = []; + var index = 0; + for (var i = 0; i < inputLength; i += 2) { + out[index] = [ + arr[i], + arr[i + 1] + ]; + ++index; + } + return out; + } + var domain = dict.getArray('Domain'); + var range = dict.getArray('Range'); + if (!domain || !range) { + error('No domain or range'); + } + var inputSize = domain.length / 2; + var outputSize = range.length / 2; + domain = toMultiArray(domain); + range = toMultiArray(range); + var size = dict.get('Size'); + var bps = dict.get('BitsPerSample'); + var order = dict.get('Order') || 1; + if (order !== 1) { + // No description how cubic spline interpolation works in PDF32000:2008 + // As in poppler, ignoring order, linear interpolation may work as good + info('No support for cubic spline interpolation: ' + order); + } + var encode = dict.getArray('Encode'); + if (!encode) { + encode = []; + for (var i = 0; i < inputSize; ++i) { + encode.push(0); + encode.push(size[i] - 1); + } + } + encode = toMultiArray(encode); + var decode = dict.getArray('Decode'); + if (!decode) { + decode = range; + } else { + decode = toMultiArray(decode); + } + var samples = this.getSampleArray(size, outputSize, bps, str); + return [ + CONSTRUCT_SAMPLED, + inputSize, + domain, + encode, + decode, + samples, + size, + outputSize, + Math.pow(2, bps) - 1, + range + ]; + }, + constructSampledFromIR: function PDFFunction_constructSampledFromIR(IR) { + // See chapter 3, page 109 of the PDF reference + function interpolate(x, xmin, xmax, ymin, ymax) { + return ymin + (x - xmin) * ((ymax - ymin) / (xmax - xmin)); + } + return function constructSampledFromIRResult(src, srcOffset, dest, destOffset) { + // See chapter 3, page 110 of the PDF reference. + var m = IR[1]; + var domain = IR[2]; + var encode = IR[3]; + var decode = IR[4]; + var samples = IR[5]; + var size = IR[6]; + var n = IR[7]; + //var mask = IR[8]; + var range = IR[9]; + // Building the cube vertices: its part and sample index + // http://rjwagner49.com/Mathematics/Interpolation.pdf + var cubeVertices = 1 << m; + var cubeN = new Float64Array(cubeVertices); + var cubeVertex = new Uint32Array(cubeVertices); + var i, j; + for (j = 0; j < cubeVertices; j++) { + cubeN[j] = 1; + } + var k = n, pos = 1; + // Map x_i to y_j for 0 <= i < m using the sampled function. + for (i = 0; i < m; ++i) { + // x_i' = min(max(x_i, Domain_2i), Domain_2i+1) + var domain_2i = domain[i][0]; + var domain_2i_1 = domain[i][1]; + var xi = Math.min(Math.max(src[srcOffset + i], domain_2i), domain_2i_1); + // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1, + // Encode_2i, Encode_2i+1) + var e = interpolate(xi, domain_2i, domain_2i_1, encode[i][0], encode[i][1]); + // e_i' = min(max(e_i, 0), Size_i - 1) + var size_i = size[i]; + e = Math.min(Math.max(e, 0), size_i - 1); + // Adjusting the cube: N and vertex sample index + var e0 = e < size_i - 1 ? Math.floor(e) : e - 1; + // e1 = e0 + 1; + var n0 = e0 + 1 - e; + // (e1 - e) / (e1 - e0); + var n1 = e - e0; + // (e - e0) / (e1 - e0); + var offset0 = e0 * k; + var offset1 = offset0 + k; + // e1 * k + for (j = 0; j < cubeVertices; j++) { + if (j & pos) { + cubeN[j] *= n1; + cubeVertex[j] += offset1; + } else { + cubeN[j] *= n0; + cubeVertex[j] += offset0; + } + } + k *= size_i; + pos <<= 1; + } + for (j = 0; j < n; ++j) { + // Sum all cube vertices' samples portions + var rj = 0; + for (i = 0; i < cubeVertices; i++) { + rj += samples[cubeVertex[i] + j] * cubeN[i]; + } + // r_j' = Interpolate(r_j, 0, 2^BitsPerSample - 1, + // Decode_2j, Decode_2j+1) + rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]); + // y_j = min(max(r_j, range_2j), range_2j+1) + dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), range[j][1]); + } + }; + }, + constructInterpolated: function PDFFunction_constructInterpolated(str, dict) { + var c0 = dict.getArray('C0') || [0]; + var c1 = dict.getArray('C1') || [1]; + var n = dict.get('N'); + if (!isArray(c0) || !isArray(c1)) { + error('Illegal dictionary for interpolated function'); + } + var length = c0.length; + var diff = []; + for (var i = 0; i < length; ++i) { + diff.push(c1[i] - c0[i]); + } + return [ + CONSTRUCT_INTERPOLATED, + c0, + diff, + n + ]; + }, + constructInterpolatedFromIR: function PDFFunction_constructInterpolatedFromIR(IR) { + var c0 = IR[1]; + var diff = IR[2]; + var n = IR[3]; + var length = diff.length; + return function constructInterpolatedFromIRResult(src, srcOffset, dest, destOffset) { + var x = n === 1 ? src[srcOffset] : Math.pow(src[srcOffset], n); + for (var j = 0; j < length; ++j) { + dest[destOffset + j] = c0[j] + x * diff[j]; + } + }; + }, + constructStiched: function PDFFunction_constructStiched(fn, dict, xref) { + var domain = dict.getArray('Domain'); + if (!domain) { + error('No domain'); + } + var inputSize = domain.length / 2; + if (inputSize !== 1) { + error('Bad domain for stiched function'); + } + var fnRefs = dict.get('Functions'); + var fns = []; + for (var i = 0, ii = fnRefs.length; i < ii; ++i) { + fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i]))); + } + var bounds = dict.getArray('Bounds'); + var encode = dict.getArray('Encode'); + return [ + CONSTRUCT_STICHED, + domain, + bounds, + encode, + fns + ]; + }, + constructStichedFromIR: function PDFFunction_constructStichedFromIR(IR) { + var domain = IR[1]; + var bounds = IR[2]; + var encode = IR[3]; + var fnsIR = IR[4]; + var fns = []; + var tmpBuf = new Float32Array(1); + for (var i = 0, ii = fnsIR.length; i < ii; i++) { + fns.push(PDFFunction.fromIR(fnsIR[i])); + } + return function constructStichedFromIRResult(src, srcOffset, dest, destOffset) { + var clip = function constructStichedFromIRClip(v, min, max) { + if (v > max) { + v = max; + } else if (v < min) { + v = min; + } + return v; + }; + // clip to domain + var v = clip(src[srcOffset], domain[0], domain[1]); + // calculate which bound the value is in + for (var i = 0, ii = bounds.length; i < ii; ++i) { + if (v < bounds[i]) { + break; + } + } + // encode value into domain of function + var dmin = domain[0]; + if (i > 0) { + dmin = bounds[i - 1]; + } + var dmax = domain[1]; + if (i < bounds.length) { + dmax = bounds[i]; + } + var rmin = encode[2 * i]; + var rmax = encode[2 * i + 1]; + // Prevent the value from becoming NaN as a result + // of division by zero (fixes issue6113.pdf). + tmpBuf[0] = dmin === dmax ? rmin : rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin); + // call the appropriate function + fns[i](tmpBuf, 0, dest, destOffset); + }; + }, + constructPostScript: function PDFFunction_constructPostScript(fn, dict, xref) { + var domain = dict.getArray('Domain'); + var range = dict.getArray('Range'); + if (!domain) { + error('No domain.'); + } + if (!range) { + error('No range.'); + } + var lexer = new PostScriptLexer(fn); + var parser = new PostScriptParser(lexer); + var code = parser.parse(); + return [ + CONSTRUCT_POSTSCRIPT, + domain, + range, + code + ]; + }, + constructPostScriptFromIR: function PDFFunction_constructPostScriptFromIR(IR) { + var domain = IR[1]; + var range = IR[2]; + var code = IR[3]; + var compiled = new PostScriptCompiler().compile(code, domain, range); + if (compiled) { + // Compiled function consists of simple expressions such as addition, + // subtraction, Math.max, and also contains 'var' and 'return' + // statements. See the generation in the PostScriptCompiler below. + return new Function('src', 'srcOffset', 'dest', 'destOffset', compiled); + } + info('Unable to compile PS function'); + var numOutputs = range.length >> 1; + var numInputs = domain.length >> 1; + var evaluator = new PostScriptEvaluator(code); + // Cache the values for a big speed up, the cache size is limited though + // since the number of possible values can be huge from a PS function. + var cache = Object.create(null); + // The MAX_CACHE_SIZE is set to ~4x the maximum number of distinct values + // seen in our tests. + var MAX_CACHE_SIZE = 2048 * 4; + var cache_available = MAX_CACHE_SIZE; + var tmpBuf = new Float32Array(numInputs); + return function constructPostScriptFromIRResult(src, srcOffset, dest, destOffset) { + var i, value; + var key = ''; + var input = tmpBuf; + for (i = 0; i < numInputs; i++) { + value = src[srcOffset + i]; + input[i] = value; + key += value + '_'; + } + var cachedValue = cache[key]; + if (cachedValue !== undefined) { + dest.set(cachedValue, destOffset); + return; + } + var output = new Float32Array(numOutputs); + var stack = evaluator.execute(input); + var stackIndex = stack.length - numOutputs; + for (i = 0; i < numOutputs; i++) { + value = stack[stackIndex + i]; + var bound = range[i * 2]; + if (value < bound) { + value = bound; + } else { + bound = range[i * 2 + 1]; + if (value > bound) { + value = bound; + } + } + output[i] = value; + } + if (cache_available > 0) { + cache_available--; + cache[key] = output; + } + dest.set(output, destOffset); + }; + } + }; + }(); + function isPDFFunction(v) { + var fnDict; + if (typeof v !== 'object') { + return false; + } else if (isDict(v)) { + fnDict = v; + } else if (isStream(v)) { + fnDict = v.dict; + } else { + return false; + } + return fnDict.has('FunctionType'); + } + var PostScriptStack = function PostScriptStackClosure() { + var MAX_STACK_SIZE = 100; + function PostScriptStack(initialStack) { + this.stack = !initialStack ? [] : Array.prototype.slice.call(initialStack, 0); + } + PostScriptStack.prototype = { + push: function PostScriptStack_push(value) { + if (this.stack.length >= MAX_STACK_SIZE) { + error('PostScript function stack overflow.'); + } + this.stack.push(value); + }, + pop: function PostScriptStack_pop() { + if (this.stack.length <= 0) { + error('PostScript function stack underflow.'); + } + return this.stack.pop(); + }, + copy: function PostScriptStack_copy(n) { + if (this.stack.length + n >= MAX_STACK_SIZE) { + error('PostScript function stack overflow.'); + } + var stack = this.stack; + for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) { + stack.push(stack[i]); + } + }, + index: function PostScriptStack_index(n) { + this.push(this.stack[this.stack.length - n - 1]); + }, + // rotate the last n stack elements p times + roll: function PostScriptStack_roll(n, p) { + var stack = this.stack; + var l = stack.length - n; + var r = stack.length - 1, c = l + (p - Math.floor(p / n) * n), i, j, t; + for (i = l, j = r; i < j; i++, j--) { + t = stack[i]; + stack[i] = stack[j]; + stack[j] = t; + } + for (i = l, j = c - 1; i < j; i++, j--) { + t = stack[i]; + stack[i] = stack[j]; + stack[j] = t; + } + for (i = c, j = r; i < j; i++, j--) { + t = stack[i]; + stack[i] = stack[j]; + stack[j] = t; + } + } + }; + return PostScriptStack; + }(); + var PostScriptEvaluator = function PostScriptEvaluatorClosure() { + function PostScriptEvaluator(operators) { + this.operators = operators; + } + PostScriptEvaluator.prototype = { + execute: function PostScriptEvaluator_execute(initialStack) { + var stack = new PostScriptStack(initialStack); + var counter = 0; + var operators = this.operators; + var length = operators.length; + var operator, a, b; + while (counter < length) { + operator = operators[counter++]; + if (typeof operator === 'number') { + // Operator is really an operand and should be pushed to the stack. + stack.push(operator); + continue; + } + switch (operator) { + // non standard ps operators + case 'jz': + // jump if false + b = stack.pop(); + a = stack.pop(); + if (!a) { + counter = b; + } + break; + case 'j': + // jump + a = stack.pop(); + counter = a; + break; + // all ps operators in alphabetical order (excluding if/ifelse) + case 'abs': + a = stack.pop(); + stack.push(Math.abs(a)); + break; + case 'add': + b = stack.pop(); + a = stack.pop(); + stack.push(a + b); + break; + case 'and': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a && b); + } else { + stack.push(a & b); + } + break; + case 'atan': + a = stack.pop(); + stack.push(Math.atan(a)); + break; + case 'bitshift': + b = stack.pop(); + a = stack.pop(); + if (a > 0) { + stack.push(a << b); + } else { + stack.push(a >> b); + } + break; + case 'ceiling': + a = stack.pop(); + stack.push(Math.ceil(a)); + break; + case 'copy': + a = stack.pop(); + stack.copy(a); + break; + case 'cos': + a = stack.pop(); + stack.push(Math.cos(a)); + break; + case 'cvi': + a = stack.pop() | 0; + stack.push(a); + break; + case 'cvr': + // noop + break; + case 'div': + b = stack.pop(); + a = stack.pop(); + stack.push(a / b); + break; + case 'dup': + stack.copy(1); + break; + case 'eq': + b = stack.pop(); + a = stack.pop(); + stack.push(a === b); + break; + case 'exch': + stack.roll(2, 1); + break; + case 'exp': + b = stack.pop(); + a = stack.pop(); + stack.push(Math.pow(a, b)); + break; + case 'false': + stack.push(false); + break; + case 'floor': + a = stack.pop(); + stack.push(Math.floor(a)); + break; + case 'ge': + b = stack.pop(); + a = stack.pop(); + stack.push(a >= b); + break; + case 'gt': + b = stack.pop(); + a = stack.pop(); + stack.push(a > b); + break; + case 'idiv': + b = stack.pop(); + a = stack.pop(); + stack.push(a / b | 0); + break; + case 'index': + a = stack.pop(); + stack.index(a); + break; + case 'le': + b = stack.pop(); + a = stack.pop(); + stack.push(a <= b); + break; + case 'ln': + a = stack.pop(); + stack.push(Math.log(a)); + break; + case 'log': + a = stack.pop(); + stack.push(Math.log(a) / Math.LN10); + break; + case 'lt': + b = stack.pop(); + a = stack.pop(); + stack.push(a < b); + break; + case 'mod': + b = stack.pop(); + a = stack.pop(); + stack.push(a % b); + break; + case 'mul': + b = stack.pop(); + a = stack.pop(); + stack.push(a * b); + break; + case 'ne': + b = stack.pop(); + a = stack.pop(); + stack.push(a !== b); + break; + case 'neg': + a = stack.pop(); + stack.push(-a); + break; + case 'not': + a = stack.pop(); + if (isBool(a)) { + stack.push(!a); + } else { + stack.push(~a); + } + break; + case 'or': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a || b); + } else { + stack.push(a | b); + } + break; + case 'pop': + stack.pop(); + break; + case 'roll': + b = stack.pop(); + a = stack.pop(); + stack.roll(a, b); + break; + case 'round': + a = stack.pop(); + stack.push(Math.round(a)); + break; + case 'sin': + a = stack.pop(); + stack.push(Math.sin(a)); + break; + case 'sqrt': + a = stack.pop(); + stack.push(Math.sqrt(a)); + break; + case 'sub': + b = stack.pop(); + a = stack.pop(); + stack.push(a - b); + break; + case 'true': + stack.push(true); + break; + case 'truncate': + a = stack.pop(); + a = a < 0 ? Math.ceil(a) : Math.floor(a); + stack.push(a); + break; + case 'xor': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a !== b); + } else { + stack.push(a ^ b); + } + break; + default: + error('Unknown operator ' + operator); + break; + } + } + return stack.stack; + } + }; + return PostScriptEvaluator; + }(); + // Most of the PDFs functions consist of simple operations such as: + // roll, exch, sub, cvr, pop, index, dup, mul, if, gt, add. + // + // We can compile most of such programs, and at the same moment, we can + // optimize some expressions using basic math properties. Keeping track of + // min/max values will allow us to avoid extra Math.min/Math.max calls. + var PostScriptCompiler = function PostScriptCompilerClosure() { + function AstNode(type) { + this.type = type; + } + AstNode.prototype.visit = function (visitor) { + throw new Error('abstract method'); + }; + function AstArgument(index, min, max) { + AstNode.call(this, 'args'); + this.index = index; + this.min = min; + this.max = max; + } + AstArgument.prototype = Object.create(AstNode.prototype); + AstArgument.prototype.visit = function (visitor) { + visitor.visitArgument(this); + }; + function AstLiteral(number) { + AstNode.call(this, 'literal'); + this.number = number; + this.min = number; + this.max = number; + } + AstLiteral.prototype = Object.create(AstNode.prototype); + AstLiteral.prototype.visit = function (visitor) { + visitor.visitLiteral(this); + }; + function AstBinaryOperation(op, arg1, arg2, min, max) { + AstNode.call(this, 'binary'); + this.op = op; + this.arg1 = arg1; + this.arg2 = arg2; + this.min = min; + this.max = max; + } + AstBinaryOperation.prototype = Object.create(AstNode.prototype); + AstBinaryOperation.prototype.visit = function (visitor) { + visitor.visitBinaryOperation(this); + }; + function AstMin(arg, max) { + AstNode.call(this, 'max'); + this.arg = arg; + this.min = arg.min; + this.max = max; + } + AstMin.prototype = Object.create(AstNode.prototype); + AstMin.prototype.visit = function (visitor) { + visitor.visitMin(this); + }; + function AstVariable(index, min, max) { + AstNode.call(this, 'var'); + this.index = index; + this.min = min; + this.max = max; + } + AstVariable.prototype = Object.create(AstNode.prototype); + AstVariable.prototype.visit = function (visitor) { + visitor.visitVariable(this); + }; + function AstVariableDefinition(variable, arg) { + AstNode.call(this, 'definition'); + this.variable = variable; + this.arg = arg; + } + AstVariableDefinition.prototype = Object.create(AstNode.prototype); + AstVariableDefinition.prototype.visit = function (visitor) { + visitor.visitVariableDefinition(this); + }; + function ExpressionBuilderVisitor() { + this.parts = []; + } + ExpressionBuilderVisitor.prototype = { + visitArgument: function (arg) { + this.parts.push('Math.max(', arg.min, ', Math.min(', arg.max, ', src[srcOffset + ', arg.index, ']))'); + }, + visitVariable: function (variable) { + this.parts.push('v', variable.index); + }, + visitLiteral: function (literal) { + this.parts.push(literal.number); + }, + visitBinaryOperation: function (operation) { + this.parts.push('('); + operation.arg1.visit(this); + this.parts.push(' ', operation.op, ' '); + operation.arg2.visit(this); + this.parts.push(')'); + }, + visitVariableDefinition: function (definition) { + this.parts.push('var '); + definition.variable.visit(this); + this.parts.push(' = '); + definition.arg.visit(this); + this.parts.push(';'); + }, + visitMin: function (max) { + this.parts.push('Math.min('); + max.arg.visit(this); + this.parts.push(', ', max.max, ')'); + }, + toString: function () { + return this.parts.join(''); + } + }; + function buildAddOperation(num1, num2) { + if (num2.type === 'literal' && num2.number === 0) { + // optimization: second operand is 0 + return num1; + } + if (num1.type === 'literal' && num1.number === 0) { + // optimization: first operand is 0 + return num2; + } + if (num2.type === 'literal' && num1.type === 'literal') { + // optimization: operands operand are literals + return new AstLiteral(num1.number + num2.number); + } + return new AstBinaryOperation('+', num1, num2, num1.min + num2.min, num1.max + num2.max); + } + function buildMulOperation(num1, num2) { + if (num2.type === 'literal') { + // optimization: second operands is a literal... + if (num2.number === 0) { + return new AstLiteral(0); + } else // and it's 0 + if (num2.number === 1) { + return num1; + } else // and it's 1 + if (num1.type === 'literal') { + // ... and first operands is a literal too + return new AstLiteral(num1.number * num2.number); + } + } + if (num1.type === 'literal') { + // optimization: first operands is a literal... + if (num1.number === 0) { + return new AstLiteral(0); + } else // and it's 0 + if (num1.number === 1) { + return num2; + } + } + // and it's 1 + var min = Math.min(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max); + var max = Math.max(num1.min * num2.min, num1.min * num2.max, num1.max * num2.min, num1.max * num2.max); + return new AstBinaryOperation('*', num1, num2, min, max); + } + function buildSubOperation(num1, num2) { + if (num2.type === 'literal') { + // optimization: second operands is a literal... + if (num2.number === 0) { + return num1; + } else // ... and it's 0 + if (num1.type === 'literal') { + // ... and first operands is a literal too + return new AstLiteral(num1.number - num2.number); + } + } + if (num2.type === 'binary' && num2.op === '-' && num1.type === 'literal' && num1.number === 1 && num2.arg1.type === 'literal' && num2.arg1.number === 1) { + // optimization for case: 1 - (1 - x) + return num2.arg2; + } + return new AstBinaryOperation('-', num1, num2, num1.min - num2.max, num1.max - num2.min); + } + function buildMinOperation(num1, max) { + if (num1.min >= max) { + // optimization: num1 min value is not less than required max + return new AstLiteral(max); + } else // just returning max + if (num1.max <= max) { + // optimization: num1 max value is not greater than required max + return num1; + } + // just returning an argument + return new AstMin(num1, max); + } + function PostScriptCompiler() { + } + PostScriptCompiler.prototype = { + compile: function PostScriptCompiler_compile(code, domain, range) { + var stack = []; + var i, ii; + var instructions = []; + var inputSize = domain.length >> 1, outputSize = range.length >> 1; + var lastRegister = 0; + var n, j; + var num1, num2, ast1, ast2, tmpVar, item; + for (i = 0; i < inputSize; i++) { + stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1])); + } + for (i = 0, ii = code.length; i < ii; i++) { + item = code[i]; + if (typeof item === 'number') { + stack.push(new AstLiteral(item)); + continue; + } + switch (item) { + case 'add': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildAddOperation(num1, num2)); + break; + case 'cvr': + if (stack.length < 1) { + return null; + } + break; + case 'mul': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildMulOperation(num1, num2)); + break; + case 'sub': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildSubOperation(num1, num2)); + break; + case 'exch': + if (stack.length < 2) { + return null; + } + ast1 = stack.pop(); + ast2 = stack.pop(); + stack.push(ast1, ast2); + break; + case 'pop': + if (stack.length < 1) { + return null; + } + stack.pop(); + break; + case 'index': + if (stack.length < 1) { + return null; + } + num1 = stack.pop(); + if (num1.type !== 'literal') { + return null; + } + n = num1.number; + if (n < 0 || (n | 0) !== n || stack.length < n) { + return null; + } + ast1 = stack[stack.length - n - 1]; + if (ast1.type === 'literal' || ast1.type === 'var') { + stack.push(ast1); + break; + } + tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); + stack[stack.length - n - 1] = tmpVar; + stack.push(tmpVar); + instructions.push(new AstVariableDefinition(tmpVar, ast1)); + break; + case 'dup': + if (stack.length < 1) { + return null; + } + if (typeof code[i + 1] === 'number' && code[i + 2] === 'gt' && code[i + 3] === i + 7 && code[i + 4] === 'jz' && code[i + 5] === 'pop' && code[i + 6] === code[i + 1]) { + // special case of the commands sequence for the min operation + num1 = stack.pop(); + stack.push(buildMinOperation(num1, code[i + 1])); + i += 6; + break; + } + ast1 = stack[stack.length - 1]; + if (ast1.type === 'literal' || ast1.type === 'var') { + // we don't have to save into intermediate variable a literal or + // variable. + stack.push(ast1); + break; + } + tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); + stack[stack.length - 1] = tmpVar; + stack.push(tmpVar); + instructions.push(new AstVariableDefinition(tmpVar, ast1)); + break; + case 'roll': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + if (num2.type !== 'literal' || num1.type !== 'literal') { + // both roll operands must be numbers + return null; + } + j = num2.number; + n = num1.number; + if (n <= 0 || (n | 0) !== n || (j | 0) !== j || stack.length < n) { + // ... and integers + return null; + } + j = (j % n + n) % n; + if (j === 0) { + break; + } + // just skipping -- there are nothing to rotate + Array.prototype.push.apply(stack, stack.splice(stack.length - n, n - j)); + break; + default: + return null; + } + } + // unsupported operator + if (stack.length !== outputSize) { + return null; + } + var result = []; + instructions.forEach(function (instruction) { + var statementBuilder = new ExpressionBuilderVisitor(); + instruction.visit(statementBuilder); + result.push(statementBuilder.toString()); + }); + stack.forEach(function (expr, i) { + var statementBuilder = new ExpressionBuilderVisitor(); + expr.visit(statementBuilder); + var min = range[i * 2], max = range[i * 2 + 1]; + var out = [statementBuilder.toString()]; + if (min > expr.min) { + out.unshift('Math.max(', min, ', '); + out.push(')'); + } + if (max < expr.max) { + out.unshift('Math.min(', max, ', '); + out.push(')'); + } + out.unshift('dest[destOffset + ', i, '] = '); + out.push(';'); + result.push(out.join('')); + }); + return result.join('\n'); + } + }; + return PostScriptCompiler; + }(); + exports.isPDFFunction = isPDFFunction; + exports.PDFFunction = PDFFunction; + exports.PostScriptEvaluator = PostScriptEvaluator; + exports.PostScriptCompiler = PostScriptCompiler; + })); + (function (root, factory) { + factory(root.pdfjsCoreColorSpace = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreFunction); + }(this, function (exports, sharedUtil, corePrimitives, coreFunction) { + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var isString = sharedUtil.isString; + var shadow = sharedUtil.shadow; + var warn = sharedUtil.warn; + var isDict = corePrimitives.isDict; + var isName = corePrimitives.isName; + var isStream = corePrimitives.isStream; + var PDFFunction = coreFunction.PDFFunction; + var ColorSpace = function ColorSpaceClosure() { + /** + * Resizes an RGB image with 3 components. + * @param {TypedArray} src - The source buffer. + * @param {Number} bpc - Number of bits per component. + * @param {Number} w1 - Original width. + * @param {Number} h1 - Original height. + * @param {Number} w2 - New width. + * @param {Number} h2 - New height. + * @param {Number} alpha01 - Size reserved for the alpha channel. + * @param {TypedArray} dest - The destination buffer. + */ + function resizeRgbImage(src, bpc, w1, h1, w2, h2, alpha01, dest) { + var COMPONENTS = 3; + alpha01 = alpha01 !== 1 ? 0 : alpha01; + var xRatio = w1 / w2; + var yRatio = h1 / h2; + var i, j, py, newIndex = 0, oldIndex; + var xScaled = new Uint16Array(w2); + var w1Scanline = w1 * COMPONENTS; + for (i = 0; i < w2; i++) { + xScaled[i] = Math.floor(i * xRatio) * COMPONENTS; + } + for (i = 0; i < h2; i++) { + py = Math.floor(i * yRatio) * w1Scanline; + for (j = 0; j < w2; j++) { + oldIndex = py + xScaled[j]; + dest[newIndex++] = src[oldIndex++]; + dest[newIndex++] = src[oldIndex++]; + dest[newIndex++] = src[oldIndex++]; + newIndex += alpha01; + } + } + } + // Constructor should define this.numComps, this.defaultColor, this.name + function ColorSpace() { + error('should not call ColorSpace constructor'); + } + ColorSpace.prototype = { + /** + * Converts the color value to the RGB color. The color components are + * located in the src array starting from the srcOffset. Returns the array + * of the rgb components, each value ranging from [0,255]. + */ + getRgb: function ColorSpace_getRgb(src, srcOffset) { + var rgb = new Uint8Array(3); + this.getRgbItem(src, srcOffset, rgb, 0); + return rgb; + }, + /** + * Converts the color value to the RGB color, similar to the getRgb method. + * The result placed into the dest array starting from the destOffset. + */ + getRgbItem: function ColorSpace_getRgbItem(src, srcOffset, dest, destOffset) { + error('Should not call ColorSpace.getRgbItem'); + }, + /** + * Converts the specified number of the color values to the RGB colors. + * The colors are located in the src array starting from the srcOffset. + * The result is placed into the dest array starting from the destOffset. + * The src array items shall be in [0,2^bits) range, the dest array items + * will be in [0,255] range. alpha01 indicates how many alpha components + * there are in the dest array; it will be either 0 (RGB array) or 1 (RGBA + * array). + */ + getRgbBuffer: function ColorSpace_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + error('Should not call ColorSpace.getRgbBuffer'); + }, + /** + * Determines the number of bytes required to store the result of the + * conversion done by the getRgbBuffer method. As in getRgbBuffer, + * |alpha01| is either 0 (RGB output) or 1 (RGBA output). + */ + getOutputLength: function ColorSpace_getOutputLength(inputLength, alpha01) { + error('Should not call ColorSpace.getOutputLength'); + }, + /** + * Returns true if source data will be equal the result/output data. + */ + isPassthrough: function ColorSpace_isPassthrough(bits) { + return false; + }, + /** + * Fills in the RGB colors in the destination buffer. alpha01 indicates + * how many alpha components there are in the dest array; it will be either + * 0 (RGB array) or 1 (RGBA array). + */ + fillRgb: function ColorSpace_fillRgb(dest, originalWidth, originalHeight, width, height, actualHeight, bpc, comps, alpha01) { + var count = originalWidth * originalHeight; + var rgbBuf = null; + var numComponentColors = 1 << bpc; + var needsResizing = originalHeight !== height || originalWidth !== width; + var i, ii; + if (this.isPassthrough(bpc)) { + rgbBuf = comps; + } else if (this.numComps === 1 && count > numComponentColors && this.name !== 'DeviceGray' && this.name !== 'DeviceRGB') { + // Optimization: create a color map when there is just one component and + // we are converting more colors than the size of the color map. We + // don't build the map if the colorspace is gray or rgb since those + // methods are faster than building a map. This mainly offers big speed + // ups for indexed and alternate colorspaces. + // + // TODO it may be worth while to cache the color map. While running + // testing I never hit a cache so I will leave that out for now (perhaps + // we are reparsing colorspaces too much?). + var allColors = bpc <= 8 ? new Uint8Array(numComponentColors) : new Uint16Array(numComponentColors); + var key; + for (i = 0; i < numComponentColors; i++) { + allColors[i] = i; + } + var colorMap = new Uint8Array(numComponentColors * 3); + this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc, /* alpha01 = */ + 0); + var destPos, rgbPos; + if (!needsResizing) { + // Fill in the RGB values directly into |dest|. + destPos = 0; + for (i = 0; i < count; ++i) { + key = comps[i] * 3; + dest[destPos++] = colorMap[key]; + dest[destPos++] = colorMap[key + 1]; + dest[destPos++] = colorMap[key + 2]; + destPos += alpha01; + } + } else { + rgbBuf = new Uint8Array(count * 3); + rgbPos = 0; + for (i = 0; i < count; ++i) { + key = comps[i] * 3; + rgbBuf[rgbPos++] = colorMap[key]; + rgbBuf[rgbPos++] = colorMap[key + 1]; + rgbBuf[rgbPos++] = colorMap[key + 2]; + } + } + } else { + if (!needsResizing) { + // Fill in the RGB values directly into |dest|. + this.getRgbBuffer(comps, 0, width * actualHeight, dest, 0, bpc, alpha01); + } else { + rgbBuf = new Uint8Array(count * 3); + this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, /* alpha01 = */ + 0); + } + } + if (rgbBuf) { + if (needsResizing) { + resizeRgbImage(rgbBuf, bpc, originalWidth, originalHeight, width, height, alpha01, dest); + } else { + rgbPos = 0; + destPos = 0; + for (i = 0, ii = width * actualHeight; i < ii; i++) { + dest[destPos++] = rgbBuf[rgbPos++]; + dest[destPos++] = rgbBuf[rgbPos++]; + dest[destPos++] = rgbBuf[rgbPos++]; + destPos += alpha01; + } + } + } + }, + /** + * True if the colorspace has components in the default range of [0, 1]. + * This should be true for all colorspaces except for lab color spaces + * which are [0,100], [-128, 127], [-128, 127]. + */ + usesZeroToOneRange: true + }; + ColorSpace.parse = function ColorSpace_parse(cs, xref, res) { + var IR = ColorSpace.parseToIR(cs, xref, res); + if (IR instanceof AlternateCS) { + return IR; + } + return ColorSpace.fromIR(IR); + }; + ColorSpace.fromIR = function ColorSpace_fromIR(IR) { + var name = isArray(IR) ? IR[0] : IR; + var whitePoint, blackPoint, gamma; + switch (name) { + case 'DeviceGrayCS': + return this.singletons.gray; + case 'DeviceRgbCS': + return this.singletons.rgb; + case 'DeviceCmykCS': + return this.singletons.cmyk; + case 'CalGrayCS': + whitePoint = IR[1]; + blackPoint = IR[2]; + gamma = IR[3]; + return new CalGrayCS(whitePoint, blackPoint, gamma); + case 'CalRGBCS': + whitePoint = IR[1]; + blackPoint = IR[2]; + gamma = IR[3]; + var matrix = IR[4]; + return new CalRGBCS(whitePoint, blackPoint, gamma, matrix); + case 'PatternCS': + var basePatternCS = IR[1]; + if (basePatternCS) { + basePatternCS = ColorSpace.fromIR(basePatternCS); + } + return new PatternCS(basePatternCS); + case 'IndexedCS': + var baseIndexedCS = IR[1]; + var hiVal = IR[2]; + var lookup = IR[3]; + return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup); + case 'AlternateCS': + var numComps = IR[1]; + var alt = IR[2]; + var tintFnIR = IR[3]; + return new AlternateCS(numComps, ColorSpace.fromIR(alt), PDFFunction.fromIR(tintFnIR)); + case 'LabCS': + whitePoint = IR[1]; + blackPoint = IR[2]; + var range = IR[3]; + return new LabCS(whitePoint, blackPoint, range); + default: + error('Unknown name ' + name); + } + return null; + }; + ColorSpace.parseToIR = function ColorSpace_parseToIR(cs, xref, res) { + if (isName(cs)) { + var colorSpaces = res.get('ColorSpace'); + if (isDict(colorSpaces)) { + var refcs = colorSpaces.get(cs.name); + if (refcs) { + cs = refcs; + } + } + } + cs = xref.fetchIfRef(cs); + var mode; + if (isName(cs)) { + mode = cs.name; + this.mode = mode; + switch (mode) { + case 'DeviceGray': + case 'G': + return 'DeviceGrayCS'; + case 'DeviceRGB': + case 'RGB': + return 'DeviceRgbCS'; + case 'DeviceCMYK': + case 'CMYK': + return 'DeviceCmykCS'; + case 'Pattern': + return [ + 'PatternCS', + null + ]; + default: + error('unrecognized colorspace ' + mode); + } + } else if (isArray(cs)) { + mode = xref.fetchIfRef(cs[0]).name; + this.mode = mode; + var numComps, params, alt, whitePoint, blackPoint, gamma; + switch (mode) { + case 'DeviceGray': + case 'G': + return 'DeviceGrayCS'; + case 'DeviceRGB': + case 'RGB': + return 'DeviceRgbCS'; + case 'DeviceCMYK': + case 'CMYK': + return 'DeviceCmykCS'; + case 'CalGray': + params = xref.fetchIfRef(cs[1]); + whitePoint = params.getArray('WhitePoint'); + blackPoint = params.getArray('BlackPoint'); + gamma = params.get('Gamma'); + return [ + 'CalGrayCS', + whitePoint, + blackPoint, + gamma + ]; + case 'CalRGB': + params = xref.fetchIfRef(cs[1]); + whitePoint = params.getArray('WhitePoint'); + blackPoint = params.getArray('BlackPoint'); + gamma = params.getArray('Gamma'); + var matrix = params.getArray('Matrix'); + return [ + 'CalRGBCS', + whitePoint, + blackPoint, + gamma, + matrix + ]; + case 'ICCBased': + var stream = xref.fetchIfRef(cs[1]); + var dict = stream.dict; + numComps = dict.get('N'); + alt = dict.get('Alternate'); + if (alt) { + var altIR = ColorSpace.parseToIR(alt, xref, res); + // Parse the /Alternate CS to ensure that the number of components + // are correct, and also (indirectly) that it is not a PatternCS. + var altCS = ColorSpace.fromIR(altIR); + if (altCS.numComps === numComps) { + return altIR; + } + warn('ICCBased color space: Ignoring incorrect /Alternate entry.'); + } + if (numComps === 1) { + return 'DeviceGrayCS'; + } else if (numComps === 3) { + return 'DeviceRgbCS'; + } else if (numComps === 4) { + return 'DeviceCmykCS'; + } + break; + case 'Pattern': + var basePatternCS = cs[1] || null; + if (basePatternCS) { + basePatternCS = ColorSpace.parseToIR(basePatternCS, xref, res); + } + return [ + 'PatternCS', + basePatternCS + ]; + case 'Indexed': + case 'I': + var baseIndexedCS = ColorSpace.parseToIR(cs[1], xref, res); + var hiVal = xref.fetchIfRef(cs[2]) + 1; + var lookup = xref.fetchIfRef(cs[3]); + if (isStream(lookup)) { + lookup = lookup.getBytes(); + } + return [ + 'IndexedCS', + baseIndexedCS, + hiVal, + lookup + ]; + case 'Separation': + case 'DeviceN': + var name = xref.fetchIfRef(cs[1]); + numComps = 1; + if (isName(name)) { + numComps = 1; + } else if (isArray(name)) { + numComps = name.length; + } + alt = ColorSpace.parseToIR(cs[2], xref, res); + var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3])); + return [ + 'AlternateCS', + numComps, + alt, + tintFnIR + ]; + case 'Lab': + params = xref.fetchIfRef(cs[1]); + whitePoint = params.getArray('WhitePoint'); + blackPoint = params.getArray('BlackPoint'); + var range = params.getArray('Range'); + return [ + 'LabCS', + whitePoint, + blackPoint, + range + ]; + default: + error('unimplemented color space object "' + mode + '"'); + } + } else { + error('unrecognized color space object: "' + cs + '"'); + } + return null; + }; + /** + * Checks if a decode map matches the default decode map for a color space. + * This handles the general decode maps where there are two values per + * component. e.g. [0, 1, 0, 1, 0, 1] for a RGB color. + * This does not handle Lab, Indexed, or Pattern decode maps since they are + * slightly different. + * @param {Array} decode Decode map (usually from an image). + * @param {Number} n Number of components the color space has. + */ + ColorSpace.isDefaultDecode = function ColorSpace_isDefaultDecode(decode, n) { + if (!isArray(decode)) { + return true; + } + if (n * 2 !== decode.length) { + warn('The decode map is not the correct length'); + return true; + } + for (var i = 0, ii = decode.length; i < ii; i += 2) { + if (decode[i] !== 0 || decode[i + 1] !== 1) { + return false; + } + } + return true; + }; + ColorSpace.singletons = { + get gray() { + return shadow(this, 'gray', new DeviceGrayCS()); + }, + get rgb() { + return shadow(this, 'rgb', new DeviceRgbCS()); + }, + get cmyk() { + return shadow(this, 'cmyk', new DeviceCmykCS()); + } + }; + return ColorSpace; + }(); + /** + * Alternate color space handles both Separation and DeviceN color spaces. A + * Separation color space is actually just a DeviceN with one color component. + * Both color spaces use a tinting function to convert colors to a base color + * space. + */ + var AlternateCS = function AlternateCSClosure() { + function AlternateCS(numComps, base, tintFn) { + this.name = 'Alternate'; + this.numComps = numComps; + this.defaultColor = new Float32Array(numComps); + for (var i = 0; i < numComps; ++i) { + this.defaultColor[i] = 1; + } + this.base = base; + this.tintFn = tintFn; + this.tmpBuf = new Float32Array(base.numComps); + } + AlternateCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function AlternateCS_getRgbItem(src, srcOffset, dest, destOffset) { + var tmpBuf = this.tmpBuf; + this.tintFn(src, srcOffset, tmpBuf, 0); + this.base.getRgbItem(tmpBuf, 0, dest, destOffset); + }, + getRgbBuffer: function AlternateCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + var tintFn = this.tintFn; + var base = this.base; + var scale = 1 / ((1 << bits) - 1); + var baseNumComps = base.numComps; + var usesZeroToOneRange = base.usesZeroToOneRange; + var isPassthrough = (base.isPassthrough(8) || !usesZeroToOneRange) && alpha01 === 0; + var pos = isPassthrough ? destOffset : 0; + var baseBuf = isPassthrough ? dest : new Uint8Array(baseNumComps * count); + var numComps = this.numComps; + var scaled = new Float32Array(numComps); + var tinted = new Float32Array(baseNumComps); + var i, j; + if (usesZeroToOneRange) { + for (i = 0; i < count; i++) { + for (j = 0; j < numComps; j++) { + scaled[j] = src[srcOffset++] * scale; + } + tintFn(scaled, 0, tinted, 0); + for (j = 0; j < baseNumComps; j++) { + baseBuf[pos++] = tinted[j] * 255; + } + } + } else { + for (i = 0; i < count; i++) { + for (j = 0; j < numComps; j++) { + scaled[j] = src[srcOffset++] * scale; + } + tintFn(scaled, 0, tinted, 0); + base.getRgbItem(tinted, 0, baseBuf, pos); + pos += baseNumComps; + } + } + if (!isPassthrough) { + base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01); + } + }, + getOutputLength: function AlternateCS_getOutputLength(inputLength, alpha01) { + return this.base.getOutputLength(inputLength * this.base.numComps / this.numComps, alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function AlternateCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return AlternateCS; + }(); + var PatternCS = function PatternCSClosure() { + function PatternCS(baseCS) { + this.name = 'Pattern'; + this.base = baseCS; + } + PatternCS.prototype = {}; + return PatternCS; + }(); + var IndexedCS = function IndexedCSClosure() { + function IndexedCS(base, highVal, lookup) { + this.name = 'Indexed'; + this.numComps = 1; + this.defaultColor = new Uint8Array([0]); + this.base = base; + this.highVal = highVal; + var baseNumComps = base.numComps; + var length = baseNumComps * highVal; + var lookupArray; + if (isStream(lookup)) { + lookupArray = new Uint8Array(length); + var bytes = lookup.getBytes(length); + lookupArray.set(bytes); + } else if (isString(lookup)) { + lookupArray = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + lookupArray[i] = lookup.charCodeAt(i); + } + } else if (lookup instanceof Uint8Array || lookup instanceof Array) { + lookupArray = lookup; + } else { + error('Unrecognized lookup table: ' + lookup); + } + this.lookup = lookupArray; + } + IndexedCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function IndexedCS_getRgbItem(src, srcOffset, dest, destOffset) { + var numComps = this.base.numComps; + var start = src[srcOffset] * numComps; + this.base.getRgbItem(this.lookup, start, dest, destOffset); + }, + getRgbBuffer: function IndexedCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + var base = this.base; + var numComps = base.numComps; + var outputDelta = base.getOutputLength(numComps, alpha01); + var lookup = this.lookup; + for (var i = 0; i < count; ++i) { + var lookupPos = src[srcOffset++] * numComps; + base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01); + destOffset += outputDelta; + } + }, + getOutputLength: function IndexedCS_getOutputLength(inputLength, alpha01) { + return this.base.getOutputLength(inputLength * this.base.numComps, alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function IndexedCS_isDefaultDecode(decodeMap) { + // indexed color maps shouldn't be changed + return true; + }, + usesZeroToOneRange: true + }; + return IndexedCS; + }(); + var DeviceGrayCS = function DeviceGrayCSClosure() { + function DeviceGrayCS() { + this.name = 'DeviceGray'; + this.numComps = 1; + this.defaultColor = new Float32Array([0]); + } + DeviceGrayCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceGrayCS_getRgbItem(src, srcOffset, dest, destOffset) { + var c = src[srcOffset] * 255 | 0; + c = c < 0 ? 0 : c > 255 ? 255 : c; + dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c; + }, + getRgbBuffer: function DeviceGrayCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + var scale = 255 / ((1 << bits) - 1); + var j = srcOffset, q = destOffset; + for (var i = 0; i < count; ++i) { + var c = scale * src[j++] | 0; + dest[q++] = c; + dest[q++] = c; + dest[q++] = c; + q += alpha01; + } + }, + getOutputLength: function DeviceGrayCS_getOutputLength(inputLength, alpha01) { + return inputLength * (3 + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceGrayCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return DeviceGrayCS; + }(); + var DeviceRgbCS = function DeviceRgbCSClosure() { + function DeviceRgbCS() { + this.name = 'DeviceRGB'; + this.numComps = 3; + this.defaultColor = new Float32Array([ + 0, + 0, + 0 + ]); + } + DeviceRgbCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceRgbCS_getRgbItem(src, srcOffset, dest, destOffset) { + var r = src[srcOffset] * 255 | 0; + var g = src[srcOffset + 1] * 255 | 0; + var b = src[srcOffset + 2] * 255 | 0; + dest[destOffset] = r < 0 ? 0 : r > 255 ? 255 : r; + dest[destOffset + 1] = g < 0 ? 0 : g > 255 ? 255 : g; + dest[destOffset + 2] = b < 0 ? 0 : b > 255 ? 255 : b; + }, + getRgbBuffer: function DeviceRgbCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + if (bits === 8 && alpha01 === 0) { + dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset); + return; + } + var scale = 255 / ((1 << bits) - 1); + var j = srcOffset, q = destOffset; + for (var i = 0; i < count; ++i) { + dest[q++] = scale * src[j++] | 0; + dest[q++] = scale * src[j++] | 0; + dest[q++] = scale * src[j++] | 0; + q += alpha01; + } + }, + getOutputLength: function DeviceRgbCS_getOutputLength(inputLength, alpha01) { + return inputLength * (3 + alpha01) / 3 | 0; + }, + isPassthrough: function DeviceRgbCS_isPassthrough(bits) { + return bits === 8; + }, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceRgbCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return DeviceRgbCS; + }(); + var DeviceCmykCS = function DeviceCmykCSClosure() { + // The coefficients below was found using numerical analysis: the method of + // steepest descent for the sum((f_i - color_value_i)^2) for r/g/b colors, + // where color_value is the tabular value from the table of sampled RGB colors + // from CMYK US Web Coated (SWOP) colorspace, and f_i is the corresponding + // CMYK color conversion using the estimation below: + // f(A, B,.. N) = Acc+Bcm+Ccy+Dck+c+Fmm+Gmy+Hmk+Im+Jyy+Kyk+Ly+Mkk+Nk+255 + function convertToRgb(src, srcOffset, srcScale, dest, destOffset) { + var c = src[srcOffset + 0] * srcScale; + var m = src[srcOffset + 1] * srcScale; + var y = src[srcOffset + 2] * srcScale; + var k = src[srcOffset + 3] * srcScale; + var r = c * (-4.387332384609988 * c + 54.48615194189176 * m + 18.82290502165302 * y + 212.25662451639585 * k + -285.2331026137004) + m * (1.7149763477362134 * m - 5.6096736904047315 * y + -17.873870861415444 * k - 5.497006427196366) + y * (-2.5217340131683033 * y - 21.248923337353073 * k + 17.5119270841813) + k * (-21.86122147463605 * k - 189.48180835922747) + 255 | 0; + var g = c * (8.841041422036149 * c + 60.118027045597366 * m + 6.871425592049007 * y + 31.159100130055922 * k + -79.2970844816548) + m * (-15.310361306967817 * m + 17.575251261109482 * y + 131.35250912493976 * k - 190.9453302588951) + y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) + k * (-20.737325471181034 * k - 187.80453709719578) + 255 | 0; + var b = c * (0.8842522430003296 * c + 8.078677503112928 * m + 30.89978309703729 * y - 0.23883238689178934 * k + -14.183576799673286) + m * (10.49593273432072 * m + 63.02378494754052 * y + 50.606957656360734 * k - 112.23884253719248) + y * (0.03296041114873217 * y + 115.60384449646641 * k + -193.58209356861505) + k * (-22.33816807309886 * k - 180.12613974708367) + 255 | 0; + dest[destOffset] = r > 255 ? 255 : r < 0 ? 0 : r; + dest[destOffset + 1] = g > 255 ? 255 : g < 0 ? 0 : g; + dest[destOffset + 2] = b > 255 ? 255 : b < 0 ? 0 : b; + } + function DeviceCmykCS() { + this.name = 'DeviceCMYK'; + this.numComps = 4; + this.defaultColor = new Float32Array([ + 0, + 0, + 0, + 1 + ]); + } + DeviceCmykCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceCmykCS_getRgbItem(src, srcOffset, dest, destOffset) { + convertToRgb(src, srcOffset, 1, dest, destOffset); + }, + getRgbBuffer: function DeviceCmykCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + var scale = 1 / ((1 << bits) - 1); + for (var i = 0; i < count; i++) { + convertToRgb(src, srcOffset, scale, dest, destOffset); + srcOffset += 4; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function DeviceCmykCS_getOutputLength(inputLength, alpha01) { + return inputLength / 4 * (3 + alpha01) | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceCmykCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return DeviceCmykCS; + }(); + // + // CalGrayCS: Based on "PDF Reference, Sixth Ed", p.245 + // + var CalGrayCS = function CalGrayCSClosure() { + function CalGrayCS(whitePoint, blackPoint, gamma) { + this.name = 'CalGray'; + this.numComps = 1; + this.defaultColor = new Float32Array([0]); + if (!whitePoint) { + error('WhitePoint missing - required for color space CalGray'); + } + blackPoint = blackPoint || [ + 0, + 0, + 0 + ]; + gamma = gamma || 1; + // Translate arguments to spec variables. + this.XW = whitePoint[0]; + this.YW = whitePoint[1]; + this.ZW = whitePoint[2]; + this.XB = blackPoint[0]; + this.YB = blackPoint[1]; + this.ZB = blackPoint[2]; + this.G = gamma; + // Validate variables as per spec. + if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { + error('Invalid WhitePoint components for ' + this.name + ', no fallback available'); + } + if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { + info('Invalid BlackPoint for ' + this.name + ', falling back to default'); + this.XB = this.YB = this.ZB = 0; + } + if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) { + warn(this.name + ', BlackPoint: XB: ' + this.XB + ', YB: ' + this.YB + ', ZB: ' + this.ZB + ', only default values are supported.'); + } + if (this.G < 1) { + info('Invalid Gamma: ' + this.G + ' for ' + this.name + ', falling back to default'); + this.G = 1; + } + } + function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { + // A represents a gray component of a calibrated gray space. + // A <---> AG in the spec + var A = src[srcOffset] * scale; + var AG = Math.pow(A, cs.G); + // Computes L as per spec. ( = cs.YW * AG ) + // Except if other than default BlackPoint values are used. + var L = cs.YW * AG; + // http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html, Ch 4. + // Convert values to rgb range [0, 255]. + var val = Math.max(295.8 * Math.pow(L, 0.333333333333333333) - 40.8, 0) | 0; + dest[destOffset] = val; + dest[destOffset + 1] = val; + dest[destOffset + 2] = val; + } + CalGrayCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function CalGrayCS_getRgbItem(src, srcOffset, dest, destOffset) { + convertToRgb(this, src, srcOffset, dest, destOffset, 1); + }, + getRgbBuffer: function CalGrayCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + var scale = 1 / ((1 << bits) - 1); + for (var i = 0; i < count; ++i) { + convertToRgb(this, src, srcOffset, dest, destOffset, scale); + srcOffset += 1; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function CalGrayCS_getOutputLength(inputLength, alpha01) { + return inputLength * (3 + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function CalGrayCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return CalGrayCS; + }(); + // + // CalRGBCS: Based on "PDF Reference, Sixth Ed", p.247 + // + var CalRGBCS = function CalRGBCSClosure() { + // See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html for these + // matrices. + var BRADFORD_SCALE_MATRIX = new Float32Array([ + 0.8951, + 0.2664, + -0.1614, + -0.7502, + 1.7135, + 0.0367, + 0.0389, + -0.0685, + 1.0296 + ]); + var BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([ + 0.9869929, + -0.1470543, + 0.1599627, + 0.4323053, + 0.5183603, + 0.0492912, + -0.0085287, + 0.0400428, + 0.9684867 + ]); + // See http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html. + var SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([ + 3.2404542, + -1.5371385, + -0.4985314, + -0.9692660, + 1.8760108, + 0.0415560, + 0.0556434, + -0.2040259, + 1.0572252 + ]); + var FLAT_WHITEPOINT_MATRIX = new Float32Array([ + 1, + 1, + 1 + ]); + var tempNormalizeMatrix = new Float32Array(3); + var tempConvertMatrix1 = new Float32Array(3); + var tempConvertMatrix2 = new Float32Array(3); + var DECODE_L_CONSTANT = Math.pow((8 + 16) / 116, 3) / 8.0; + function CalRGBCS(whitePoint, blackPoint, gamma, matrix) { + this.name = 'CalRGB'; + this.numComps = 3; + this.defaultColor = new Float32Array(3); + if (!whitePoint) { + error('WhitePoint missing - required for color space CalRGB'); + } + blackPoint = blackPoint || new Float32Array(3); + gamma = gamma || new Float32Array([ + 1, + 1, + 1 + ]); + matrix = matrix || new Float32Array([ + 1, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 1 + ]); + // Translate arguments to spec variables. + var XW = whitePoint[0]; + var YW = whitePoint[1]; + var ZW = whitePoint[2]; + this.whitePoint = whitePoint; + var XB = blackPoint[0]; + var YB = blackPoint[1]; + var ZB = blackPoint[2]; + this.blackPoint = blackPoint; + this.GR = gamma[0]; + this.GG = gamma[1]; + this.GB = gamma[2]; + this.MXA = matrix[0]; + this.MYA = matrix[1]; + this.MZA = matrix[2]; + this.MXB = matrix[3]; + this.MYB = matrix[4]; + this.MZB = matrix[5]; + this.MXC = matrix[6]; + this.MYC = matrix[7]; + this.MZC = matrix[8]; + // Validate variables as per spec. + if (XW < 0 || ZW < 0 || YW !== 1) { + error('Invalid WhitePoint components for ' + this.name + ', no fallback available'); + } + if (XB < 0 || YB < 0 || ZB < 0) { + info('Invalid BlackPoint for ' + this.name + ' [' + XB + ', ' + YB + ', ' + ZB + '], falling back to default'); + this.blackPoint = new Float32Array(3); + } + if (this.GR < 0 || this.GG < 0 || this.GB < 0) { + info('Invalid Gamma [' + this.GR + ', ' + this.GG + ', ' + this.GB + '] for ' + this.name + ', falling back to default'); + this.GR = this.GG = this.GB = 1; + } + if (this.MXA < 0 || this.MYA < 0 || this.MZA < 0 || this.MXB < 0 || this.MYB < 0 || this.MZB < 0 || this.MXC < 0 || this.MYC < 0 || this.MZC < 0) { + info('Invalid Matrix for ' + this.name + ' [' + this.MXA + ', ' + this.MYA + ', ' + this.MZA + this.MXB + ', ' + this.MYB + ', ' + this.MZB + this.MXC + ', ' + this.MYC + ', ' + this.MZC + '], falling back to default'); + this.MXA = this.MYB = this.MZC = 1; + this.MXB = this.MYA = this.MZA = this.MXC = this.MYC = this.MZB = 0; + } + } + function matrixProduct(a, b, result) { + result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; + result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2]; + result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2]; + } + function convertToFlat(sourceWhitePoint, LMS, result) { + result[0] = LMS[0] * 1 / sourceWhitePoint[0]; + result[1] = LMS[1] * 1 / sourceWhitePoint[1]; + result[2] = LMS[2] * 1 / sourceWhitePoint[2]; + } + function convertToD65(sourceWhitePoint, LMS, result) { + var D65X = 0.95047; + var D65Y = 1; + var D65Z = 1.08883; + result[0] = LMS[0] * D65X / sourceWhitePoint[0]; + result[1] = LMS[1] * D65Y / sourceWhitePoint[1]; + result[2] = LMS[2] * D65Z / sourceWhitePoint[2]; + } + function sRGBTransferFunction(color) { + // See http://en.wikipedia.org/wiki/SRGB. + if (color <= 0.0031308) { + return adjustToRange(0, 1, 12.92 * color); + } + return adjustToRange(0, 1, (1 + 0.055) * Math.pow(color, 1 / 2.4) - 0.055); + } + function adjustToRange(min, max, value) { + return Math.max(min, Math.min(max, value)); + } + function decodeL(L) { + if (L < 0) { + return -decodeL(-L); + } + if (L > 8.0) { + return Math.pow((L + 16) / 116, 3); + } + return L * DECODE_L_CONSTANT; + } + function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) { + // In case the blackPoint is already the default blackPoint then there is + // no need to do compensation. + if (sourceBlackPoint[0] === 0 && sourceBlackPoint[1] === 0 && sourceBlackPoint[2] === 0) { + result[0] = XYZ_Flat[0]; + result[1] = XYZ_Flat[1]; + result[2] = XYZ_Flat[2]; + return; + } + // For the blackPoint calculation details, please see + // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ + // AdobeBPC.pdf. + // The destination blackPoint is the default blackPoint [0, 0, 0]. + var zeroDecodeL = decodeL(0); + var X_DST = zeroDecodeL; + var X_SRC = decodeL(sourceBlackPoint[0]); + var Y_DST = zeroDecodeL; + var Y_SRC = decodeL(sourceBlackPoint[1]); + var Z_DST = zeroDecodeL; + var Z_SRC = decodeL(sourceBlackPoint[2]); + var X_Scale = (1 - X_DST) / (1 - X_SRC); + var X_Offset = 1 - X_Scale; + var Y_Scale = (1 - Y_DST) / (1 - Y_SRC); + var Y_Offset = 1 - Y_Scale; + var Z_Scale = (1 - Z_DST) / (1 - Z_SRC); + var Z_Offset = 1 - Z_Scale; + result[0] = XYZ_Flat[0] * X_Scale + X_Offset; + result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset; + result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset; + } + function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) { + // In case the whitePoint is already flat then there is no need to do + // normalization. + if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) { + result[0] = XYZ_In[0]; + result[1] = XYZ_In[1]; + result[2] = XYZ_In[2]; + return; + } + var LMS = result; + matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); + var LMS_Flat = tempNormalizeMatrix; + convertToFlat(sourceWhitePoint, LMS, LMS_Flat); + matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result); + } + function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) { + var LMS = result; + matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); + var LMS_D65 = tempNormalizeMatrix; + convertToD65(sourceWhitePoint, LMS, LMS_D65); + matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result); + } + function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { + // A, B and C represent a red, green and blue components of a calibrated + // rgb space. + var A = adjustToRange(0, 1, src[srcOffset] * scale); + var B = adjustToRange(0, 1, src[srcOffset + 1] * scale); + var C = adjustToRange(0, 1, src[srcOffset + 2] * scale); + // A <---> AGR in the spec + // B <---> BGG in the spec + // C <---> CGB in the spec + var AGR = Math.pow(A, cs.GR); + var BGG = Math.pow(B, cs.GG); + var CGB = Math.pow(C, cs.GB); + // Computes intermediate variables L, M, N as per spec. + // To decode X, Y, Z values map L, M, N directly to them. + var X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB; + var Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB; + var Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB; + // The following calculations are based on this document: + // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ + // AdobeBPC.pdf. + var XYZ = tempConvertMatrix1; + XYZ[0] = X; + XYZ[1] = Y; + XYZ[2] = Z; + var XYZ_Flat = tempConvertMatrix2; + normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat); + var XYZ_Black = tempConvertMatrix1; + compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black); + var XYZ_D65 = tempConvertMatrix2; + normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65); + var SRGB = tempConvertMatrix1; + matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB); + var sR = sRGBTransferFunction(SRGB[0]); + var sG = sRGBTransferFunction(SRGB[1]); + var sB = sRGBTransferFunction(SRGB[2]); + // Convert the values to rgb range [0, 255]. + dest[destOffset] = Math.round(sR * 255); + dest[destOffset + 1] = Math.round(sG * 255); + dest[destOffset + 2] = Math.round(sB * 255); + } + CalRGBCS.prototype = { + getRgb: function CalRGBCS_getRgb(src, srcOffset) { + var rgb = new Uint8Array(3); + this.getRgbItem(src, srcOffset, rgb, 0); + return rgb; + }, + getRgbItem: function CalRGBCS_getRgbItem(src, srcOffset, dest, destOffset) { + convertToRgb(this, src, srcOffset, dest, destOffset, 1); + }, + getRgbBuffer: function CalRGBCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + var scale = 1 / ((1 << bits) - 1); + for (var i = 0; i < count; ++i) { + convertToRgb(this, src, srcOffset, dest, destOffset, scale); + srcOffset += 3; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function CalRGBCS_getOutputLength(inputLength, alpha01) { + return inputLength * (3 + alpha01) / 3 | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function CalRGBCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return CalRGBCS; + }(); + // + // LabCS: Based on "PDF Reference, Sixth Ed", p.250 + // + var LabCS = function LabCSClosure() { + function LabCS(whitePoint, blackPoint, range) { + this.name = 'Lab'; + this.numComps = 3; + this.defaultColor = new Float32Array([ + 0, + 0, + 0 + ]); + if (!whitePoint) { + error('WhitePoint missing - required for color space Lab'); + } + blackPoint = blackPoint || [ + 0, + 0, + 0 + ]; + range = range || [ + -100, + 100, + -100, + 100 + ]; + // Translate args to spec variables + this.XW = whitePoint[0]; + this.YW = whitePoint[1]; + this.ZW = whitePoint[2]; + this.amin = range[0]; + this.amax = range[1]; + this.bmin = range[2]; + this.bmax = range[3]; + // These are here just for completeness - the spec doesn't offer any + // formulas that use BlackPoint in Lab + this.XB = blackPoint[0]; + this.YB = blackPoint[1]; + this.ZB = blackPoint[2]; + // Validate vars as per spec + if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { + error('Invalid WhitePoint components, no fallback available'); + } + if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { + info('Invalid BlackPoint, falling back to default'); + this.XB = this.YB = this.ZB = 0; + } + if (this.amin > this.amax || this.bmin > this.bmax) { + info('Invalid Range, falling back to defaults'); + this.amin = -100; + this.amax = 100; + this.bmin = -100; + this.bmax = 100; + } + } + // Function g(x) from spec + function fn_g(x) { + if (x >= 6 / 29) { + return x * x * x; + } else { + return 108 / 841 * (x - 4 / 29); + } + } + function decode(value, high1, low2, high2) { + return low2 + value * (high2 - low2) / high1; + } + // If decoding is needed maxVal should be 2^bits per component - 1. + function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) { + // XXX: Lab input is in the range of [0, 100], [amin, amax], [bmin, bmax] + // not the usual [0, 1]. If a command like setFillColor is used the src + // values will already be within the correct range. However, if we are + // converting an image we have to map the values to the correct range given + // above. + // Ls,as,bs <---> L*,a*,b* in the spec + var Ls = src[srcOffset]; + var as = src[srcOffset + 1]; + var bs = src[srcOffset + 2]; + if (maxVal !== false) { + Ls = decode(Ls, maxVal, 0, 100); + as = decode(as, maxVal, cs.amin, cs.amax); + bs = decode(bs, maxVal, cs.bmin, cs.bmax); + } + // Adjust limits of 'as' and 'bs' + as = as > cs.amax ? cs.amax : as < cs.amin ? cs.amin : as; + bs = bs > cs.bmax ? cs.bmax : bs < cs.bmin ? cs.bmin : bs; + // Computes intermediate variables X,Y,Z as per spec + var M = (Ls + 16) / 116; + var L = M + as / 500; + var N = M - bs / 200; + var X = cs.XW * fn_g(L); + var Y = cs.YW * fn_g(M); + var Z = cs.ZW * fn_g(N); + var r, g, b; + // Using different conversions for D50 and D65 white points, + // per http://www.color.org/srgb.pdf + if (cs.ZW < 1) { + // Assuming D50 (X=0.9642, Y=1.00, Z=0.8249) + r = X * 3.1339 + Y * -1.6170 + Z * -0.4906; + g = X * -0.9785 + Y * 1.9160 + Z * 0.0333; + b = X * 0.0720 + Y * -0.2290 + Z * 1.4057; + } else { + // Assuming D65 (X=0.9505, Y=1.00, Z=1.0888) + r = X * 3.2406 + Y * -1.5372 + Z * -0.4986; + g = X * -0.9689 + Y * 1.8758 + Z * 0.0415; + b = X * 0.0557 + Y * -0.2040 + Z * 1.0570; + } + // clamp color values to [0,1] range then convert to [0,255] range. + dest[destOffset] = r <= 0 ? 0 : r >= 1 ? 255 : Math.sqrt(r) * 255 | 0; + dest[destOffset + 1] = g <= 0 ? 0 : g >= 1 ? 255 : Math.sqrt(g) * 255 | 0; + dest[destOffset + 2] = b <= 0 ? 0 : b >= 1 ? 255 : Math.sqrt(b) * 255 | 0; + } + LabCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function LabCS_getRgbItem(src, srcOffset, dest, destOffset) { + convertToRgb(this, src, srcOffset, false, dest, destOffset); + }, + getRgbBuffer: function LabCS_getRgbBuffer(src, srcOffset, count, dest, destOffset, bits, alpha01) { + var maxVal = (1 << bits) - 1; + for (var i = 0; i < count; i++) { + convertToRgb(this, src, srcOffset, maxVal, dest, destOffset); + srcOffset += 3; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function LabCS_getOutputLength(inputLength, alpha01) { + return inputLength * (3 + alpha01) / 3 | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function LabCS_isDefaultDecode(decodeMap) { + // XXX: Decoding is handled with the lab conversion because of the strange + // ranges that are used. + return true; + }, + usesZeroToOneRange: false + }; + return LabCS; + }(); + exports.ColorSpace = ColorSpace; + })); + (function (root, factory) { + factory(root.pdfjsCoreImage = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreColorSpace, root.pdfjsCoreStream, root.pdfjsCoreJpx); + }(this, function (exports, sharedUtil, corePrimitives, coreColorSpace, coreStream, coreJpx) { + var ImageKind = sharedUtil.ImageKind; + var assert = sharedUtil.assert; + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var warn = sharedUtil.warn; + var Name = corePrimitives.Name; + var isStream = corePrimitives.isStream; + var ColorSpace = coreColorSpace.ColorSpace; + var DecodeStream = coreStream.DecodeStream; + var JpegStream = coreStream.JpegStream; + var JpxImage = coreJpx.JpxImage; + var PDFImage = function PDFImageClosure() { + /** + * Decodes the image using native decoder if possible. Resolves the promise + * when the image data is ready. + */ + function handleImageData(image, nativeDecoder) { + if (nativeDecoder && nativeDecoder.canDecode(image)) { + return nativeDecoder.decode(image); + } else { + return Promise.resolve(image); + } + } + /** + * Decode and clamp a value. The formula is different from the spec because we + * don't decode to float range [0,1], we decode it in the [0,max] range. + */ + function decodeAndClamp(value, addend, coefficient, max) { + value = addend + value * coefficient; + // Clamp the value to the range + return value < 0 ? 0 : value > max ? max : value; + } + /** + * Resizes an image mask with 1 component. + * @param {TypedArray} src - The source buffer. + * @param {Number} bpc - Number of bits per component. + * @param {Number} w1 - Original width. + * @param {Number} h1 - Original height. + * @param {Number} w2 - New width. + * @param {Number} h2 - New height. + * @returns {TypedArray} The resized image mask buffer. + */ + function resizeImageMask(src, bpc, w1, h1, w2, h2) { + var length = w2 * h2; + var dest = bpc <= 8 ? new Uint8Array(length) : bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length); + var xRatio = w1 / w2; + var yRatio = h1 / h2; + var i, j, py, newIndex = 0, oldIndex; + var xScaled = new Uint16Array(w2); + var w1Scanline = w1; + for (i = 0; i < w2; i++) { + xScaled[i] = Math.floor(i * xRatio); + } + for (i = 0; i < h2; i++) { + py = Math.floor(i * yRatio) * w1Scanline; + for (j = 0; j < w2; j++) { + oldIndex = py + xScaled[j]; + dest[newIndex++] = src[oldIndex]; + } + } + return dest; + } + function PDFImage(xref, res, image, inline, smask, mask, isMask) { + this.image = image; + var dict = image.dict; + if (dict.has('Filter')) { + var filter = dict.get('Filter').name; + if (filter === 'JPXDecode') { + var jpxImage = new JpxImage(); + jpxImage.parseImageProperties(image.stream); + image.stream.reset(); + image.bitsPerComponent = jpxImage.bitsPerComponent; + image.numComps = jpxImage.componentsCount; + } else if (filter === 'JBIG2Decode') { + image.bitsPerComponent = 1; + image.numComps = 1; + } + } + // TODO cache rendered images? + this.width = dict.get('Width', 'W'); + this.height = dict.get('Height', 'H'); + if (this.width < 1 || this.height < 1) { + error('Invalid image width: ' + this.width + ' or height: ' + this.height); + } + this.interpolate = dict.get('Interpolate', 'I') || false; + this.imageMask = dict.get('ImageMask', 'IM') || false; + this.matte = dict.get('Matte') || false; + var bitsPerComponent = image.bitsPerComponent; + if (!bitsPerComponent) { + bitsPerComponent = dict.get('BitsPerComponent', 'BPC'); + if (!bitsPerComponent) { + if (this.imageMask) { + bitsPerComponent = 1; + } else { + error('Bits per component missing in image: ' + this.imageMask); + } + } + } + this.bpc = bitsPerComponent; + if (!this.imageMask) { + var colorSpace = dict.get('ColorSpace', 'CS'); + if (!colorSpace) { + info('JPX images (which do not require color spaces)'); + switch (image.numComps) { + case 1: + colorSpace = Name.get('DeviceGray'); + break; + case 3: + colorSpace = Name.get('DeviceRGB'); + break; + case 4: + colorSpace = Name.get('DeviceCMYK'); + break; + default: + error('JPX images with ' + this.numComps + ' color components not supported.'); + } + } + this.colorSpace = ColorSpace.parse(colorSpace, xref, res); + this.numComps = this.colorSpace.numComps; + } + this.decode = dict.getArray('Decode', 'D'); + this.needsDecode = false; + if (this.decode && (this.colorSpace && !this.colorSpace.isDefaultDecode(this.decode) || isMask && !ColorSpace.isDefaultDecode(this.decode, 1))) { + this.needsDecode = true; + // Do some preprocessing to avoid more math. + var max = (1 << bitsPerComponent) - 1; + this.decodeCoefficients = []; + this.decodeAddends = []; + for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) { + var dmin = this.decode[i]; + var dmax = this.decode[i + 1]; + this.decodeCoefficients[j] = dmax - dmin; + this.decodeAddends[j] = max * dmin; + } + } + if (smask) { + this.smask = new PDFImage(xref, res, smask, false); + } else if (mask) { + if (isStream(mask)) { + var maskDict = mask.dict, imageMask = maskDict.get('ImageMask', 'IM'); + if (!imageMask) { + warn('Ignoring /Mask in image without /ImageMask.'); + } else { + this.mask = new PDFImage(xref, res, mask, false, null, null, true); + } + } else { + // Color key mask (just an array). + this.mask = mask; + } + } + } + /** + * Handles processing of image data and returns the Promise that is resolved + * with a PDFImage when the image is ready to be used. + */ + PDFImage.buildImage = function PDFImage_buildImage(handler, xref, res, image, inline, nativeDecoder) { + var imagePromise = handleImageData(image, nativeDecoder); + var smaskPromise; + var maskPromise; + var smask = image.dict.get('SMask'); + var mask = image.dict.get('Mask'); + if (smask) { + smaskPromise = handleImageData(smask, nativeDecoder); + maskPromise = Promise.resolve(null); + } else { + smaskPromise = Promise.resolve(null); + if (mask) { + if (isStream(mask)) { + maskPromise = handleImageData(mask, nativeDecoder); + } else if (isArray(mask)) { + maskPromise = Promise.resolve(mask); + } else { + warn('Unsupported mask format.'); + maskPromise = Promise.resolve(null); + } + } else { + maskPromise = Promise.resolve(null); + } + } + return Promise.all([ + imagePromise, + smaskPromise, + maskPromise + ]).then(function (results) { + var imageData = results[0]; + var smaskData = results[1]; + var maskData = results[2]; + return new PDFImage(xref, res, imageData, inline, smaskData, maskData); + }); + }; + PDFImage.createMask = function PDFImage_createMask(imgArray, width, height, imageIsFromDecodeStream, inverseDecode) { + // |imgArray| might not contain full data for every pixel of the mask, so + // we need to distinguish between |computedLength| and |actualLength|. + // In particular, if inverseDecode is true, then the array we return must + // have a length of |computedLength|. + var computedLength = (width + 7 >> 3) * height; + var actualLength = imgArray.byteLength; + var haveFullData = computedLength === actualLength; + var data, i; + if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) { + // imgArray came from a DecodeStream and its data is in an appropriate + // form, so we can just transfer it. + data = imgArray; + } else if (!inverseDecode) { + data = new Uint8Array(actualLength); + data.set(imgArray); + } else { + data = new Uint8Array(computedLength); + data.set(imgArray); + for (i = actualLength; i < computedLength; i++) { + data[i] = 0xff; + } + } + // If necessary, invert the original mask data (but not any extra we might + // have added above). It's safe to modify the array -- whether it's the + // original or a copy, we're about to transfer it anyway, so nothing else + // in this thread can be relying on its contents. + if (inverseDecode) { + for (i = 0; i < actualLength; i++) { + data[i] = ~data[i]; + } + } + return { + data: data, + width: width, + height: height + }; + }; + PDFImage.prototype = { + get drawWidth() { + return Math.max(this.width, this.smask && this.smask.width || 0, this.mask && this.mask.width || 0); + }, + get drawHeight() { + return Math.max(this.height, this.smask && this.smask.height || 0, this.mask && this.mask.height || 0); + }, + decodeBuffer: function PDFImage_decodeBuffer(buffer) { + var bpc = this.bpc; + var numComps = this.numComps; + var decodeAddends = this.decodeAddends; + var decodeCoefficients = this.decodeCoefficients; + var max = (1 << bpc) - 1; + var i, ii; + if (bpc === 1) { + // If the buffer needed decode that means it just needs to be inverted. + for (i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] = +!buffer[i]; + } + return; + } + var index = 0; + for (i = 0, ii = this.width * this.height; i < ii; i++) { + for (var j = 0; j < numComps; j++) { + buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j], decodeCoefficients[j], max); + index++; + } + } + }, + getComponents: function PDFImage_getComponents(buffer) { + var bpc = this.bpc; + // This image doesn't require any extra work. + if (bpc === 8) { + return buffer; + } + var width = this.width; + var height = this.height; + var numComps = this.numComps; + var length = width * height * numComps; + var bufferPos = 0; + var output = bpc <= 8 ? new Uint8Array(length) : bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length); + var rowComps = width * numComps; + var max = (1 << bpc) - 1; + var i = 0, ii, buf; + if (bpc === 1) { + // Optimization for reading 1 bpc images. + var mask, loop1End, loop2End; + for (var j = 0; j < height; j++) { + loop1End = i + (rowComps & ~7); + loop2End = i + rowComps; + // unroll loop for all full bytes + while (i < loop1End) { + buf = buffer[bufferPos++]; + output[i] = buf >> 7 & 1; + output[i + 1] = buf >> 6 & 1; + output[i + 2] = buf >> 5 & 1; + output[i + 3] = buf >> 4 & 1; + output[i + 4] = buf >> 3 & 1; + output[i + 5] = buf >> 2 & 1; + output[i + 6] = buf >> 1 & 1; + output[i + 7] = buf & 1; + i += 8; + } + // handle remaining bits + if (i < loop2End) { + buf = buffer[bufferPos++]; + mask = 128; + while (i < loop2End) { + output[i++] = +!!(buf & mask); + mask >>= 1; + } + } + } + } else { + // The general case that handles all other bpc values. + var bits = 0; + buf = 0; + for (i = 0, ii = length; i < ii; ++i) { + if (i % rowComps === 0) { + buf = 0; + bits = 0; + } + while (bits < bpc) { + buf = buf << 8 | buffer[bufferPos++]; + bits += 8; + } + var remainingBits = bits - bpc; + var value = buf >> remainingBits; + output[i] = value < 0 ? 0 : value > max ? max : value; + buf = buf & (1 << remainingBits) - 1; + bits = remainingBits; + } + } + return output; + }, + fillOpacity: function PDFImage_fillOpacity(rgbaBuf, width, height, actualHeight, image) { + var smask = this.smask; + var mask = this.mask; + var alphaBuf, sw, sh, i, ii, j; + if (smask) { + sw = smask.width; + sh = smask.height; + alphaBuf = new Uint8Array(sw * sh); + smask.fillGrayBuffer(alphaBuf); + if (sw !== width || sh !== height) { + alphaBuf = resizeImageMask(alphaBuf, smask.bpc, sw, sh, width, height); + } + } else if (mask) { + if (mask instanceof PDFImage) { + sw = mask.width; + sh = mask.height; + alphaBuf = new Uint8Array(sw * sh); + mask.numComps = 1; + mask.fillGrayBuffer(alphaBuf); + // Need to invert values in rgbaBuf + for (i = 0, ii = sw * sh; i < ii; ++i) { + alphaBuf[i] = 255 - alphaBuf[i]; + } + if (sw !== width || sh !== height) { + alphaBuf = resizeImageMask(alphaBuf, mask.bpc, sw, sh, width, height); + } + } else if (isArray(mask)) { + // Color key mask: if any of the components are outside the range + // then they should be painted. + alphaBuf = new Uint8Array(width * height); + var numComps = this.numComps; + for (i = 0, ii = width * height; i < ii; ++i) { + var opacity = 0; + var imageOffset = i * numComps; + for (j = 0; j < numComps; ++j) { + var color = image[imageOffset + j]; + var maskOffset = j * 2; + if (color < mask[maskOffset] || color > mask[maskOffset + 1]) { + opacity = 255; + break; + } + } + alphaBuf[i] = opacity; + } + } else { + error('Unknown mask format.'); + } + } + if (alphaBuf) { + for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { + rgbaBuf[j] = alphaBuf[i]; + } + } else { + // No mask. + for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { + rgbaBuf[j] = 255; + } + } + }, + undoPreblend: function PDFImage_undoPreblend(buffer, width, height) { + var matte = this.smask && this.smask.matte; + if (!matte) { + return; + } + var matteRgb = this.colorSpace.getRgb(matte, 0); + var matteR = matteRgb[0]; + var matteG = matteRgb[1]; + var matteB = matteRgb[2]; + var length = width * height * 4; + var r, g, b; + for (var i = 0; i < length; i += 4) { + var alpha = buffer[i + 3]; + if (alpha === 0) { + // according formula we have to get Infinity in all components + // making it white (typical paper color) should be okay + buffer[i] = 255; + buffer[i + 1] = 255; + buffer[i + 2] = 255; + continue; + } + var k = 255 / alpha; + r = (buffer[i] - matteR) * k + matteR; + g = (buffer[i + 1] - matteG) * k + matteG; + b = (buffer[i + 2] - matteB) * k + matteB; + buffer[i] = r <= 0 ? 0 : r >= 255 ? 255 : r | 0; + buffer[i + 1] = g <= 0 ? 0 : g >= 255 ? 255 : g | 0; + buffer[i + 2] = b <= 0 ? 0 : b >= 255 ? 255 : b | 0; + } + }, + createImageData: function PDFImage_createImageData(forceRGBA) { + var drawWidth = this.drawWidth; + var drawHeight = this.drawHeight; + var imgData = { + // other fields are filled in below + width: drawWidth, + height: drawHeight + }; + var numComps = this.numComps; + var originalWidth = this.width; + var originalHeight = this.height; + var bpc = this.bpc; + // Rows start at byte boundary. + var rowBytes = originalWidth * numComps * bpc + 7 >> 3; + var imgArray; + if (!forceRGBA) { + // If it is a 1-bit-per-pixel grayscale (i.e. black-and-white) image + // without any complications, we pass a same-sized copy to the main + // thread rather than expanding by 32x to RGBA form. This saves *lots* + // of memory for many scanned documents. It's also much faster. + // + // Similarly, if it is a 24-bit-per pixel RGB image without any + // complications, we avoid expanding by 1.333x to RGBA form. + var kind; + if (this.colorSpace.name === 'DeviceGray' && bpc === 1) { + kind = ImageKind.GRAYSCALE_1BPP; + } else if (this.colorSpace.name === 'DeviceRGB' && bpc === 8 && !this.needsDecode) { + kind = ImageKind.RGB_24BPP; + } + if (kind && !this.smask && !this.mask && drawWidth === originalWidth && drawHeight === originalHeight) { + imgData.kind = kind; + imgArray = this.getImageBytes(originalHeight * rowBytes); + // If imgArray came from a DecodeStream, we're safe to transfer it + // (and thus detach its underlying buffer) because it will constitute + // the entire DecodeStream's data. But if it came from a Stream, we + // need to copy it because it'll only be a portion of the Stream's + // data, and the rest will be read later on. + if (this.image instanceof DecodeStream) { + imgData.data = imgArray; + } else { + var newArray = new Uint8Array(imgArray.length); + newArray.set(imgArray); + imgData.data = newArray; + } + if (this.needsDecode) { + // Invert the buffer (which must be grayscale if we reached here). + assert(kind === ImageKind.GRAYSCALE_1BPP); + var buffer = imgData.data; + for (var i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] ^= 0xff; + } + } + return imgData; + } + if (this.image instanceof JpegStream && !this.smask && !this.mask && (this.colorSpace.name === 'DeviceGray' || this.colorSpace.name === 'DeviceRGB' || this.colorSpace.name === 'DeviceCMYK')) { + imgData.kind = ImageKind.RGB_24BPP; + imgData.data = this.getImageBytes(originalHeight * rowBytes, drawWidth, drawHeight, true); + return imgData; + } + } + imgArray = this.getImageBytes(originalHeight * rowBytes); + // imgArray can be incomplete (e.g. after CCITT fax encoding). + var actualHeight = 0 | imgArray.length / rowBytes * drawHeight / originalHeight; + var comps = this.getComponents(imgArray); + // If opacity data is present, use RGBA_32BPP form. Otherwise, use the + // more compact RGB_24BPP form if allowable. + var alpha01, maybeUndoPreblend; + if (!forceRGBA && !this.smask && !this.mask) { + imgData.kind = ImageKind.RGB_24BPP; + imgData.data = new Uint8Array(drawWidth * drawHeight * 3); + alpha01 = 0; + maybeUndoPreblend = false; + } else { + imgData.kind = ImageKind.RGBA_32BPP; + imgData.data = new Uint8Array(drawWidth * drawHeight * 4); + alpha01 = 1; + maybeUndoPreblend = true; + // Color key masking (opacity) must be performed before decoding. + this.fillOpacity(imgData.data, drawWidth, drawHeight, actualHeight, comps); + } + if (this.needsDecode) { + this.decodeBuffer(comps); + } + this.colorSpace.fillRgb(imgData.data, originalWidth, originalHeight, drawWidth, drawHeight, actualHeight, bpc, comps, alpha01); + if (maybeUndoPreblend) { + this.undoPreblend(imgData.data, drawWidth, actualHeight); + } + return imgData; + }, + fillGrayBuffer: function PDFImage_fillGrayBuffer(buffer) { + var numComps = this.numComps; + if (numComps !== 1) { + error('Reading gray scale from a color image: ' + numComps); + } + var width = this.width; + var height = this.height; + var bpc = this.bpc; + // rows start at byte boundary + var rowBytes = width * numComps * bpc + 7 >> 3; + var imgArray = this.getImageBytes(height * rowBytes); + var comps = this.getComponents(imgArray); + var i, length; + if (bpc === 1) { + // inline decoding (= inversion) for 1 bpc images + length = width * height; + if (this.needsDecode) { + // invert and scale to {0, 255} + for (i = 0; i < length; ++i) { + buffer[i] = comps[i] - 1 & 255; + } + } else { + // scale to {0, 255} + for (i = 0; i < length; ++i) { + buffer[i] = -comps[i] & 255; + } + } + return; + } + if (this.needsDecode) { + this.decodeBuffer(comps); + } + length = width * height; + // we aren't using a colorspace so we need to scale the value + var scale = 255 / ((1 << bpc) - 1); + for (i = 0; i < length; ++i) { + buffer[i] = scale * comps[i] | 0; + } + }, + getImageBytes: function PDFImage_getImageBytes(length, drawWidth, drawHeight, forceRGB) { + this.image.reset(); + this.image.drawWidth = drawWidth || this.width; + this.image.drawHeight = drawHeight || this.height; + this.image.forceRGB = !!forceRGB; + return this.image.getBytes(length); + } + }; + return PDFImage; + }(); + exports.PDFImage = PDFImage; + })); + (function (root, factory) { + factory(root.pdfjsCoreObj = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreCrypto, root.pdfjsCoreParser, root.pdfjsCoreChunkedStream, root.pdfjsCoreColorSpace); + }(this, function (exports, sharedUtil, corePrimitives, coreCrypto, coreParser, coreChunkedStream, coreColorSpace) { + var InvalidPDFException = sharedUtil.InvalidPDFException; + var MissingDataException = sharedUtil.MissingDataException; + var XRefParseException = sharedUtil.XRefParseException; + var assert = sharedUtil.assert; + var bytesToString = sharedUtil.bytesToString; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var isBool = sharedUtil.isBool; + var isInt = sharedUtil.isInt; + var isString = sharedUtil.isString; + var shadow = sharedUtil.shadow; + var stringToPDFString = sharedUtil.stringToPDFString; + var stringToUTF8String = sharedUtil.stringToUTF8String; + var warn = sharedUtil.warn; + var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl; + var Util = sharedUtil.Util; + var Ref = corePrimitives.Ref; + var RefSet = corePrimitives.RefSet; + var RefSetCache = corePrimitives.RefSetCache; + var isName = corePrimitives.isName; + var isCmd = corePrimitives.isCmd; + var isDict = corePrimitives.isDict; + var isRef = corePrimitives.isRef; + var isRefsEqual = corePrimitives.isRefsEqual; + var isStream = corePrimitives.isStream; + var CipherTransformFactory = coreCrypto.CipherTransformFactory; + var Lexer = coreParser.Lexer; + var Parser = coreParser.Parser; + var ChunkedStream = coreChunkedStream.ChunkedStream; + var ColorSpace = coreColorSpace.ColorSpace; + var Catalog = function CatalogClosure() { + function Catalog(pdfManager, xref, pageFactory) { + this.pdfManager = pdfManager; + this.xref = xref; + this.catDict = xref.getCatalogObj(); + this.fontCache = new RefSetCache(); + assert(isDict(this.catDict), 'catalog object is not a dictionary'); + // TODO refactor to move getPage() to the PDFDocument. + this.pageFactory = pageFactory; + this.pagePromises = []; + } + Catalog.prototype = { + get metadata() { + var streamRef = this.catDict.getRaw('Metadata'); + if (!isRef(streamRef)) { + return shadow(this, 'metadata', null); + } + var encryptMetadata = !this.xref.encrypt ? false : this.xref.encrypt.encryptMetadata; + var stream = this.xref.fetch(streamRef, !encryptMetadata); + var metadata; + if (stream && isDict(stream.dict)) { + var type = stream.dict.get('Type'); + var subtype = stream.dict.get('Subtype'); + if (isName(type, 'Metadata') && isName(subtype, 'XML')) { + // XXX: This should examine the charset the XML document defines, + // however since there are currently no real means to decode + // arbitrary charsets, let's just hope that the author of the PDF + // was reasonable enough to stick with the XML default charset, + // which is UTF-8. + try { + metadata = stringToUTF8String(bytesToString(stream.getBytes())); + } catch (e) { + info('Skipping invalid metadata.'); + } + } + } + return shadow(this, 'metadata', metadata); + }, + get toplevelPagesDict() { + var pagesObj = this.catDict.get('Pages'); + assert(isDict(pagesObj), 'invalid top-level pages dictionary'); + // shadow the prototype getter + return shadow(this, 'toplevelPagesDict', pagesObj); + }, + get documentOutline() { + var obj = null; + try { + obj = this.readDocumentOutline(); + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Unable to read document outline'); + } + return shadow(this, 'documentOutline', obj); + }, + readDocumentOutline: function Catalog_readDocumentOutline() { + var obj = this.catDict.get('Outlines'); + if (!isDict(obj)) { + return null; + } + obj = obj.getRaw('First'); + if (!isRef(obj)) { + return null; + } + var root = { items: [] }; + var queue = [{ + obj: obj, + parent: root + }]; + // To avoid recursion, keep track of the already processed items. + var processed = new RefSet(); + processed.put(obj); + var xref = this.xref, blackColor = new Uint8Array(3); + while (queue.length > 0) { + var i = queue.shift(); + var outlineDict = xref.fetchIfRef(i.obj); + if (outlineDict === null) { + continue; + } + assert(outlineDict.has('Title'), 'Invalid outline item'); + var data = { + url: null, + dest: null + }; + Catalog.parseDestDictionary({ + destDict: outlineDict, + resultObj: data, + docBaseUrl: this.pdfManager.docBaseUrl + }); + var title = outlineDict.get('Title'); + var flags = outlineDict.get('F') || 0; + var color = outlineDict.getArray('C'), rgbColor = blackColor; + // We only need to parse the color when it's valid, and non-default. + if (isArray(color) && color.length === 3 && (color[0] !== 0 || color[1] !== 0 || color[2] !== 0)) { + rgbColor = ColorSpace.singletons.rgb.getRgb(color, 0); + } + var outlineItem = { + dest: data.dest, + url: data.url, + unsafeUrl: data.unsafeUrl, + newWindow: data.newWindow, + title: stringToPDFString(title), + color: rgbColor, + count: outlineDict.get('Count'), + bold: !!(flags & 2), + italic: !!(flags & 1), + items: [] + }; + i.parent.items.push(outlineItem); + obj = outlineDict.getRaw('First'); + if (isRef(obj) && !processed.has(obj)) { + queue.push({ + obj: obj, + parent: outlineItem + }); + processed.put(obj); + } + obj = outlineDict.getRaw('Next'); + if (isRef(obj) && !processed.has(obj)) { + queue.push({ + obj: obj, + parent: i.parent + }); + processed.put(obj); + } + } + return root.items.length > 0 ? root.items : null; + }, + get numPages() { + var obj = this.toplevelPagesDict.get('Count'); + assert(isInt(obj), 'page count in top level pages object is not an integer'); + // shadow the prototype getter + return shadow(this, 'num', obj); + }, + get destinations() { + function fetchDestination(dest) { + return isDict(dest) ? dest.get('D') : dest; + } + var xref = this.xref; + var dests = {}, nameTreeRef, nameDictionaryRef; + var obj = this.catDict.get('Names'); + if (obj && obj.has('Dests')) { + nameTreeRef = obj.getRaw('Dests'); + } else if (this.catDict.has('Dests')) { + nameDictionaryRef = this.catDict.get('Dests'); + } + if (nameDictionaryRef) { + // reading simple destination dictionary + obj = nameDictionaryRef; + obj.forEach(function catalogForEach(key, value) { + if (!value) { + return; + } + dests[key] = fetchDestination(value); + }); + } + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + var names = nameTree.getAll(); + for (var name in names) { + dests[name] = fetchDestination(names[name]); + } + } + return shadow(this, 'destinations', dests); + }, + getDestination: function Catalog_getDestination(destinationId) { + function fetchDestination(dest) { + return isDict(dest) ? dest.get('D') : dest; + } + var xref = this.xref; + var dest = null, nameTreeRef, nameDictionaryRef; + var obj = this.catDict.get('Names'); + if (obj && obj.has('Dests')) { + nameTreeRef = obj.getRaw('Dests'); + } else if (this.catDict.has('Dests')) { + nameDictionaryRef = this.catDict.get('Dests'); + } + if (nameDictionaryRef) { + // Simple destination dictionary. + var value = nameDictionaryRef.get(destinationId); + if (value) { + dest = fetchDestination(value); + } + } + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + dest = fetchDestination(nameTree.get(destinationId)); + } + return dest; + }, + get pageLabels() { + var obj = null; + try { + obj = this.readPageLabels(); + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Unable to read page labels.'); + } + return shadow(this, 'pageLabels', obj); + }, + readPageLabels: function Catalog_readPageLabels() { + var obj = this.catDict.getRaw('PageLabels'); + if (!obj) { + return null; + } + var pageLabels = new Array(this.numPages); + var style = null; + var prefix = ''; + var numberTree = new NumberTree(obj, this.xref); + var nums = numberTree.getAll(); + var currentLabel = '', currentIndex = 1; + for (var i = 0, ii = this.numPages; i < ii; i++) { + if (i in nums) { + var labelDict = nums[i]; + assert(isDict(labelDict), 'The PageLabel is not a dictionary.'); + var type = labelDict.get('Type'); + assert(!type || isName(type, 'PageLabel'), 'Invalid type in PageLabel dictionary.'); + var s = labelDict.get('S'); + assert(!s || isName(s), 'Invalid style in PageLabel dictionary.'); + style = s ? s.name : null; + var p = labelDict.get('P'); + assert(!p || isString(p), 'Invalid prefix in PageLabel dictionary.'); + prefix = p ? stringToPDFString(p) : ''; + var st = labelDict.get('St'); + assert(!st || isInt(st) && st >= 1, 'Invalid start in PageLabel dictionary.'); + currentIndex = st || 1; + } + switch (style) { + case 'D': + currentLabel = currentIndex; + break; + case 'R': + case 'r': + currentLabel = Util.toRoman(currentIndex, style === 'r'); + break; + case 'A': + case 'a': + var LIMIT = 26; + // Use only the characters A--Z, or a--z. + var A_UPPER_CASE = 0x41, A_LOWER_CASE = 0x61; + var baseCharCode = style === 'a' ? A_LOWER_CASE : A_UPPER_CASE; + var letterIndex = currentIndex - 1; + var character = String.fromCharCode(baseCharCode + letterIndex % LIMIT); + var charBuf = []; + for (var j = 0, jj = letterIndex / LIMIT | 0; j <= jj; j++) { + charBuf.push(character); + } + currentLabel = charBuf.join(''); + break; + default: + assert(!style, 'Invalid style "' + style + '" in PageLabel dictionary.'); + } + pageLabels[i] = prefix + currentLabel; + currentLabel = ''; + currentIndex++; + } + return pageLabels; + }, + get attachments() { + var xref = this.xref; + var attachments = null, nameTreeRef; + var obj = this.catDict.get('Names'); + if (obj) { + nameTreeRef = obj.getRaw('EmbeddedFiles'); + } + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + var names = nameTree.getAll(); + for (var name in names) { + var fs = new FileSpec(names[name], xref); + if (!attachments) { + attachments = Object.create(null); + } + attachments[stringToPDFString(name)] = fs.serializable; + } + } + return shadow(this, 'attachments', attachments); + }, + get javaScript() { + var xref = this.xref; + var obj = this.catDict.get('Names'); + var javaScript = []; + function appendIfJavaScriptDict(jsDict) { + var type = jsDict.get('S'); + if (!isName(type, 'JavaScript')) { + return; + } + var js = jsDict.get('JS'); + if (isStream(js)) { + js = bytesToString(js.getBytes()); + } else if (!isString(js)) { + return; + } + javaScript.push(stringToPDFString(js)); + } + if (obj && obj.has('JavaScript')) { + var nameTree = new NameTree(obj.getRaw('JavaScript'), xref); + var names = nameTree.getAll(); + for (var name in names) { + // We don't really use the JavaScript right now. This code is + // defensive so we don't cause errors on document load. + var jsDict = names[name]; + if (isDict(jsDict)) { + appendIfJavaScriptDict(jsDict); + } + } + } + // Append OpenAction actions to javaScript array + var openactionDict = this.catDict.get('OpenAction'); + if (isDict(openactionDict, 'Action')) { + var actionType = openactionDict.get('S'); + if (isName(actionType, 'Named')) { + // The named Print action is not a part of the PDF 1.7 specification, + // but is supported by many PDF readers/writers (including Adobe's). + var action = openactionDict.get('N'); + if (isName(action, 'Print')) { + javaScript.push('print({});'); + } + } else { + appendIfJavaScriptDict(openactionDict); + } + } + return shadow(this, 'javaScript', javaScript); + }, + cleanup: function Catalog_cleanup() { + var promises = []; + this.fontCache.forEach(function (promise) { + promises.push(promise); + }); + return Promise.all(promises).then(function (translatedFonts) { + for (var i = 0, ii = translatedFonts.length; i < ii; i++) { + var font = translatedFonts[i].dict; + delete font.translated; + } + this.fontCache.clear(); + }.bind(this)); + }, + getPage: function Catalog_getPage(pageIndex) { + if (!(pageIndex in this.pagePromises)) { + this.pagePromises[pageIndex] = this.getPageDict(pageIndex).then(function (a) { + var dict = a[0]; + var ref = a[1]; + return this.pageFactory.createPage(pageIndex, dict, ref, this.fontCache); + }.bind(this)); + } + return this.pagePromises[pageIndex]; + }, + getPageDict: function Catalog_getPageDict(pageIndex) { + var capability = createPromiseCapability(); + var nodesToVisit = [this.catDict.getRaw('Pages')]; + var currentPageIndex = 0; + var xref = this.xref; + var checkAllKids = false; + function next() { + while (nodesToVisit.length) { + var currentNode = nodesToVisit.pop(); + if (isRef(currentNode)) { + xref.fetchAsync(currentNode).then(function (obj) { + if (isDict(obj, 'Page') || isDict(obj) && !obj.has('Kids')) { + if (pageIndex === currentPageIndex) { + capability.resolve([ + obj, + currentNode + ]); + } else { + currentPageIndex++; + next(); + } + return; + } + nodesToVisit.push(obj); + next(); + }, capability.reject); + return; + } + // Must be a child page dictionary. + assert(isDict(currentNode), 'page dictionary kid reference points to wrong type of object'); + var count = currentNode.get('Count'); + // If the current node doesn't have any children, avoid getting stuck + // in an empty node further down in the tree (see issue5644.pdf). + if (count === 0) { + checkAllKids = true; + } + // Skip nodes where the page can't be. + if (currentPageIndex + count <= pageIndex) { + currentPageIndex += count; + continue; + } + var kids = currentNode.get('Kids'); + assert(isArray(kids), 'page dictionary kids object is not an array'); + if (!checkAllKids && count === kids.length) { + // Nodes that don't have the page have been skipped and this is the + // bottom of the tree which means the page requested must be a + // descendant of this pages node. Ideally we would just resolve the + // promise with the page ref here, but there is the case where more + // pages nodes could link to single a page (see issue 3666 pdf). To + // handle this push it back on the queue so if it is a pages node it + // will be descended into. + nodesToVisit = [kids[pageIndex - currentPageIndex]]; + currentPageIndex = pageIndex; + continue; + } else { + for (var last = kids.length - 1; last >= 0; last--) { + nodesToVisit.push(kids[last]); + } + } + } + capability.reject('Page index ' + pageIndex + ' not found.'); + } + next(); + return capability.promise; + }, + getPageIndex: function Catalog_getPageIndex(pageRef) { + // The page tree nodes have the count of all the leaves below them. To get + // how many pages are before we just have to walk up the tree and keep + // adding the count of siblings to the left of the node. + var xref = this.xref; + function pagesBeforeRef(kidRef) { + var total = 0; + var parentRef; + return xref.fetchAsync(kidRef).then(function (node) { + if (isRefsEqual(kidRef, pageRef) && !isDict(node, 'Page') && !(isDict(node) && !node.has('Type') && node.has('Contents'))) { + throw new Error('The reference does not point to a /Page Dict.'); + } + if (!node) { + return null; + } + assert(isDict(node), 'node must be a Dict.'); + parentRef = node.getRaw('Parent'); + return node.getAsync('Parent'); + }).then(function (parent) { + if (!parent) { + return null; + } + assert(isDict(parent), 'parent must be a Dict.'); + return parent.getAsync('Kids'); + }).then(function (kids) { + if (!kids) { + return null; + } + var kidPromises = []; + var found = false; + for (var i = 0; i < kids.length; i++) { + var kid = kids[i]; + assert(isRef(kid), 'kid must be a Ref.'); + if (kid.num === kidRef.num) { + found = true; + break; + } + kidPromises.push(xref.fetchAsync(kid).then(function (kid) { + if (kid.has('Count')) { + var count = kid.get('Count'); + total += count; + } else { + // page leaf node + total++; + } + })); + } + if (!found) { + error('kid ref not found in parents kids'); + } + return Promise.all(kidPromises).then(function () { + return [ + total, + parentRef + ]; + }); + }); + } + var total = 0; + function next(ref) { + return pagesBeforeRef(ref).then(function (args) { + if (!args) { + return total; + } + var count = args[0]; + var parentRef = args[1]; + total += count; + return next(parentRef); + }); + } + return next(pageRef); + } + }; + /** + * Helper function used to parse the contents of destination dictionaries. + * @param {Dict} destDict - The dictionary containing the destination. + * @param {Object} resultObj - The object where the parsed destination + * properties will be placed. + * @param {string} docBaseUrl - (optional) The document base URL that is used + * when attempting to recover valid absolute URLs from relative ones. + */ + Catalog.parseDestDictionary = function Catalog_parseDestDictionary(params) { + // Lets URLs beginning with 'www.' default to using the 'http://' protocol. + function addDefaultProtocolToUrl(url) { + if (url.indexOf('www.') === 0) { + return 'http://' + url; + } + return url; + } + // According to ISO 32000-1:2008, section 12.6.4.7, URIs should be encoded + // in 7-bit ASCII. Some bad PDFs use UTF-8 encoding, see Bugzilla 1122280. + function tryConvertUrlEncoding(url) { + try { + return stringToUTF8String(url); + } catch (e) { + return url; + } + } + var destDict = params.destDict; + if (!isDict(destDict)) { + warn('Catalog_parseDestDictionary: "destDict" must be a dictionary.'); + return; + } + var resultObj = params.resultObj; + if (typeof resultObj !== 'object') { + warn('Catalog_parseDestDictionary: "resultObj" must be an object.'); + return; + } + var docBaseUrl = params.docBaseUrl || null; + var action = destDict.get('A'), url, dest; + if (isDict(action)) { + var linkType = action.get('S').name; + switch (linkType) { + case 'URI': + url = action.get('URI'); + if (isName(url)) { + // Some bad PDFs do not put parentheses around relative URLs. + url = '/' + url.name; + } else if (isString(url)) { + url = addDefaultProtocolToUrl(url); + } + // TODO: pdf spec mentions urls can be relative to a Base + // entry in the dictionary. + break; + case 'GoTo': + dest = action.get('D'); + break; + case 'Launch': + // We neither want, nor can, support arbitrary 'Launch' actions. + // However, in practice they are mostly used for linking to other PDF + // files, which we thus attempt to support (utilizing `docBaseUrl`). + case 'GoToR': + var urlDict = action.get('F'); + if (isDict(urlDict)) { + // We assume that we found a FileSpec dictionary + // and fetch the URL without checking any further. + url = urlDict.get('F') || null; + } else if (isString(urlDict)) { + url = urlDict; + } + // NOTE: the destination is relative to the *remote* document. + var remoteDest = action.get('D'); + if (remoteDest) { + if (isName(remoteDest)) { + remoteDest = remoteDest.name; + } + if (isString(url)) { + var baseUrl = url.split('#')[0]; + if (isString(remoteDest)) { + // In practice, a named destination may contain only a number. + // If that happens, use the '#nameddest=' form to avoid the link + // redirecting to a page, instead of the correct destination. + url = baseUrl + '#' + (/^\d+$/.test(remoteDest) ? 'nameddest=' : '') + remoteDest; + } else if (isArray(remoteDest)) { + url = baseUrl + '#' + JSON.stringify(remoteDest); + } + } + } + // The 'NewWindow' property, equal to `LinkTarget.BLANK`. + var newWindow = action.get('NewWindow'); + if (isBool(newWindow)) { + resultObj.newWindow = newWindow; + } + break; + case 'Named': + var namedAction = action.get('N'); + if (isName(namedAction)) { + resultObj.action = namedAction.name; + } + break; + case 'JavaScript': + var jsAction = action.get('JS'), js; + if (isStream(jsAction)) { + js = bytesToString(jsAction.getBytes()); + } else if (isString(jsAction)) { + js = jsAction; + } + if (js) { + // Attempt to recover valid URLs from 'JS' entries with certain + // white-listed formats, e.g. + // - window.open('http://example.com') + // - app.launchURL('http://example.com', true) + var URL_OPEN_METHODS = [ + 'app.launchURL', + 'window.open' + ]; + var regex = new RegExp('^(?:' + URL_OPEN_METHODS.join('|') + ')' + '\\((?:\'|\")(\\S+)(?:\'|\")(?:,|\\))'); + var jsUrl = regex.exec(stringToPDFString(js), 'i'); + if (jsUrl && jsUrl[1]) { + url = jsUrl[1]; + break; + } + } + default: + warn('Catalog_parseDestDictionary: Unrecognized link type "' + linkType + '".'); + break; + } + } else if (destDict.has('Dest')) { + // Simple destination link. + dest = destDict.get('Dest'); + } + if (isString(url)) { + url = tryConvertUrlEncoding(url); + var absoluteUrl = createValidAbsoluteUrl(url, docBaseUrl); + if (absoluteUrl) { + resultObj.url = absoluteUrl.href; + } + resultObj.unsafeUrl = url; + } + if (dest) { + if (isName(dest)) { + dest = dest.name; + } + if (isString(dest) || isArray(dest)) { + resultObj.dest = dest; + } + } + }; + return Catalog; + }(); + var XRef = function XRefClosure() { + function XRef(stream, password) { + this.stream = stream; + this.entries = []; + this.xrefstms = Object.create(null); + // prepare the XRef cache + this.cache = []; + this.password = password; + this.stats = { + streamTypes: [], + fontTypes: [] + }; + } + XRef.prototype = { + setStartXRef: function XRef_setStartXRef(startXRef) { + // Store the starting positions of xref tables as we process them + // so we can recover from missing data errors + this.startXRefQueue = [startXRef]; + }, + parse: function XRef_parse(recoveryMode) { + var trailerDict; + if (!recoveryMode) { + trailerDict = this.readXRef(); + } else { + warn('Indexing all PDF objects'); + trailerDict = this.indexObjects(); + } + trailerDict.assignXref(this); + this.trailer = trailerDict; + var encrypt = trailerDict.get('Encrypt'); + if (encrypt) { + var ids = trailerDict.get('ID'); + var fileId = ids && ids.length ? ids[0] : ''; + // The 'Encrypt' dictionary itself should not be encrypted, and by + // setting `suppressEncryption` we can prevent an infinite loop inside + // of `XRef_fetchUncompressed` if the dictionary contains indirect + // objects (fixes issue7665.pdf). + encrypt.suppressEncryption = true; + this.encrypt = new CipherTransformFactory(encrypt, fileId, this.password); + } + // get the root dictionary (catalog) object + if (!(this.root = trailerDict.get('Root'))) { + error('Invalid root reference'); + } + }, + processXRefTable: function XRef_processXRefTable(parser) { + if (!('tableState' in this)) { + // Stores state of the table as we process it so we can resume + // from middle of table in case of missing data error + this.tableState = { + entryNum: 0, + streamPos: parser.lexer.stream.pos, + parserBuf1: parser.buf1, + parserBuf2: parser.buf2 + }; + } + var obj = this.readXRefTable(parser); + // Sanity check + if (!isCmd(obj, 'trailer')) { + error('Invalid XRef table: could not find trailer dictionary'); + } + // Read trailer dictionary, e.g. + // trailer + // << /Size 22 + // /Root 20R + // /Info 10R + // /ID [ <81b14aafa313db63dbd6f981e49f94f4> ] + // >> + // The parser goes through the entire stream << ... >> and provides + // a getter interface for the key-value table + var dict = parser.getObj(); + // The pdflib PDF generator can generate a nested trailer dictionary + if (!isDict(dict) && dict.dict) { + dict = dict.dict; + } + if (!isDict(dict)) { + error('Invalid XRef table: could not parse trailer dictionary'); + } + delete this.tableState; + return dict; + }, + readXRefTable: function XRef_readXRefTable(parser) { + // Example of cross-reference table: + // xref + // 0 1 <-- subsection header (first obj #, obj count) + // 0000000000 65535 f <-- actual object (offset, generation #, f/n) + // 23 2 <-- subsection header ... and so on ... + // 0000025518 00002 n + // 0000025635 00000 n + // trailer + // ... + var stream = parser.lexer.stream; + var tableState = this.tableState; + stream.pos = tableState.streamPos; + parser.buf1 = tableState.parserBuf1; + parser.buf2 = tableState.parserBuf2; + // Outer loop is over subsection headers + var obj; + while (true) { + if (!('firstEntryNum' in tableState) || !('entryCount' in tableState)) { + if (isCmd(obj = parser.getObj(), 'trailer')) { + break; + } + tableState.firstEntryNum = obj; + tableState.entryCount = parser.getObj(); + } + var first = tableState.firstEntryNum; + var count = tableState.entryCount; + if (!isInt(first) || !isInt(count)) { + error('Invalid XRef table: wrong types in subsection header'); + } + // Inner loop is over objects themselves + for (var i = tableState.entryNum; i < count; i++) { + tableState.streamPos = stream.pos; + tableState.entryNum = i; + tableState.parserBuf1 = parser.buf1; + tableState.parserBuf2 = parser.buf2; + var entry = {}; + entry.offset = parser.getObj(); + entry.gen = parser.getObj(); + var type = parser.getObj(); + if (isCmd(type, 'f')) { + entry.free = true; + } else if (isCmd(type, 'n')) { + entry.uncompressed = true; + } + // Validate entry obj + if (!isInt(entry.offset) || !isInt(entry.gen) || !(entry.free || entry.uncompressed)) { + error('Invalid entry in XRef subsection: ' + first + ', ' + count); + } + // The first xref table entry, i.e. obj 0, should be free. Attempting + // to adjust an incorrect first obj # (fixes issue 3248 and 7229). + if (i === 0 && entry.free && first === 1) { + first = 0; + } + if (!this.entries[i + first]) { + this.entries[i + first] = entry; + } + } + tableState.entryNum = 0; + tableState.streamPos = stream.pos; + tableState.parserBuf1 = parser.buf1; + tableState.parserBuf2 = parser.buf2; + delete tableState.firstEntryNum; + delete tableState.entryCount; + } + // Sanity check: as per spec, first object must be free + if (this.entries[0] && !this.entries[0].free) { + error('Invalid XRef table: unexpected first object'); + } + return obj; + }, + processXRefStream: function XRef_processXRefStream(stream) { + if (!('streamState' in this)) { + // Stores state of the stream as we process it so we can resume + // from middle of stream in case of missing data error + var streamParameters = stream.dict; + var byteWidths = streamParameters.get('W'); + var range = streamParameters.get('Index'); + if (!range) { + range = [ + 0, + streamParameters.get('Size') + ]; + } + this.streamState = { + entryRanges: range, + byteWidths: byteWidths, + entryNum: 0, + streamPos: stream.pos + }; + } + this.readXRefStream(stream); + delete this.streamState; + return stream.dict; + }, + readXRefStream: function XRef_readXRefStream(stream) { + var i, j; + var streamState = this.streamState; + stream.pos = streamState.streamPos; + var byteWidths = streamState.byteWidths; + var typeFieldWidth = byteWidths[0]; + var offsetFieldWidth = byteWidths[1]; + var generationFieldWidth = byteWidths[2]; + var entryRanges = streamState.entryRanges; + while (entryRanges.length > 0) { + var first = entryRanges[0]; + var n = entryRanges[1]; + if (!isInt(first) || !isInt(n)) { + error('Invalid XRef range fields: ' + first + ', ' + n); + } + if (!isInt(typeFieldWidth) || !isInt(offsetFieldWidth) || !isInt(generationFieldWidth)) { + error('Invalid XRef entry fields length: ' + first + ', ' + n); + } + for (i = streamState.entryNum; i < n; ++i) { + streamState.entryNum = i; + streamState.streamPos = stream.pos; + var type = 0, offset = 0, generation = 0; + for (j = 0; j < typeFieldWidth; ++j) { + type = type << 8 | stream.getByte(); + } + // if type field is absent, its default value is 1 + if (typeFieldWidth === 0) { + type = 1; + } + for (j = 0; j < offsetFieldWidth; ++j) { + offset = offset << 8 | stream.getByte(); + } + for (j = 0; j < generationFieldWidth; ++j) { + generation = generation << 8 | stream.getByte(); + } + var entry = {}; + entry.offset = offset; + entry.gen = generation; + switch (type) { + case 0: + entry.free = true; + break; + case 1: + entry.uncompressed = true; + break; + case 2: + break; + default: + error('Invalid XRef entry type: ' + type); + } + if (!this.entries[first + i]) { + this.entries[first + i] = entry; + } + } + streamState.entryNum = 0; + streamState.streamPos = stream.pos; + entryRanges.splice(0, 2); + } + }, + indexObjects: function XRef_indexObjects() { + // Simple scan through the PDF content to find objects, + // trailers and XRef streams. + var TAB = 0x9, LF = 0xA, CR = 0xD, SPACE = 0x20; + var PERCENT = 0x25, LT = 0x3C; + function readToken(data, offset) { + var token = '', ch = data[offset]; + while (ch !== LF && ch !== CR && ch !== LT) { + if (++offset >= data.length) { + break; + } + token += String.fromCharCode(ch); + ch = data[offset]; + } + return token; + } + function skipUntil(data, offset, what) { + var length = what.length, dataLength = data.length; + var skipped = 0; + // finding byte sequence + while (offset < dataLength) { + var i = 0; + while (i < length && data[offset + i] === what[i]) { + ++i; + } + if (i >= length) { + break; + } + // sequence found + offset++; + skipped++; + } + return skipped; + } + var objRegExp = /^(\d+)\s+(\d+)\s+obj\b/; + var trailerBytes = new Uint8Array([ + 116, + 114, + 97, + 105, + 108, + 101, + 114 + ]); + var startxrefBytes = new Uint8Array([ + 115, + 116, + 97, + 114, + 116, + 120, + 114, + 101, + 102 + ]); + var endobjBytes = new Uint8Array([ + 101, + 110, + 100, + 111, + 98, + 106 + ]); + var xrefBytes = new Uint8Array([ + 47, + 88, + 82, + 101, + 102 + ]); + // Clear out any existing entries, since they may be bogus. + this.entries.length = 0; + var stream = this.stream; + stream.pos = 0; + var buffer = stream.getBytes(); + var position = stream.start, length = buffer.length; + var trailers = [], xrefStms = []; + while (position < length) { + var ch = buffer[position]; + if (ch === TAB || ch === LF || ch === CR || ch === SPACE) { + ++position; + continue; + } + if (ch === PERCENT) { + // %-comment + do { + ++position; + if (position >= length) { + break; + } + ch = buffer[position]; + } while (ch !== LF && ch !== CR); + continue; + } + var token = readToken(buffer, position); + var m; + if (token.indexOf('xref') === 0 && (token.length === 4 || /\s/.test(token[4]))) { + position += skipUntil(buffer, position, trailerBytes); + trailers.push(position); + position += skipUntil(buffer, position, startxrefBytes); + } else if (m = objRegExp.exec(token)) { + if (typeof this.entries[m[1]] === 'undefined') { + this.entries[m[1]] = { + offset: position - stream.start, + gen: m[2] | 0, + uncompressed: true + }; + } + var contentLength = skipUntil(buffer, position, endobjBytes) + 7; + var content = buffer.subarray(position, position + contentLength); + // checking XRef stream suspect + // (it shall have '/XRef' and next char is not a letter) + var xrefTagOffset = skipUntil(content, 0, xrefBytes); + if (xrefTagOffset < contentLength && content[xrefTagOffset + 5] < 64) { + xrefStms.push(position - stream.start); + this.xrefstms[position - stream.start] = 1; + } + // Avoid recursion + position += contentLength; + } else if (token.indexOf('trailer') === 0 && (token.length === 7 || /\s/.test(token[7]))) { + trailers.push(position); + position += skipUntil(buffer, position, startxrefBytes); + } else { + position += token.length + 1; + } + } + // reading XRef streams + var i, ii; + for (i = 0, ii = xrefStms.length; i < ii; ++i) { + this.startXRefQueue.push(xrefStms[i]); + this.readXRef(/* recoveryMode */ + true); + } + // finding main trailer + var dict; + for (i = 0, ii = trailers.length; i < ii; ++i) { + stream.pos = trailers[i]; + var parser = new Parser(new Lexer(stream), /* allowStreams = */ + true, /* xref = */ + this, /* recoveryMode = */ + true); + var obj = parser.getObj(); + if (!isCmd(obj, 'trailer')) { + continue; + } + // read the trailer dictionary + dict = parser.getObj(); + if (!isDict(dict)) { + continue; + } + // taking the first one with 'ID' + if (dict.has('ID')) { + return dict; + } + } + // no tailer with 'ID', taking last one (if exists) + if (dict) { + return dict; + } + // nothing helps + // calling error() would reject worker with an UnknownErrorException. + throw new InvalidPDFException('Invalid PDF structure'); + }, + readXRef: function XRef_readXRef(recoveryMode) { + var stream = this.stream; + try { + while (this.startXRefQueue.length) { + var startXRef = this.startXRefQueue[0]; + stream.pos = startXRef + stream.start; + var parser = new Parser(new Lexer(stream), true, this); + var obj = parser.getObj(); + var dict; + // Get dictionary + if (isCmd(obj, 'xref')) { + // Parse end-of-file XRef + dict = this.processXRefTable(parser); + if (!this.topDict) { + this.topDict = dict; + } + // Recursively get other XRefs 'XRefStm', if any + obj = dict.get('XRefStm'); + if (isInt(obj)) { + var pos = obj; + // ignore previously loaded xref streams + // (possible infinite recursion) + if (!(pos in this.xrefstms)) { + this.xrefstms[pos] = 1; + this.startXRefQueue.push(pos); + } + } + } else if (isInt(obj)) { + // Parse in-stream XRef + if (!isInt(parser.getObj()) || !isCmd(parser.getObj(), 'obj') || !isStream(obj = parser.getObj())) { + error('Invalid XRef stream'); + } + dict = this.processXRefStream(obj); + if (!this.topDict) { + this.topDict = dict; + } + if (!dict) { + error('Failed to read XRef stream'); + } + } else { + error('Invalid XRef stream header'); + } + // Recursively get previous dictionary, if any + obj = dict.get('Prev'); + if (isInt(obj)) { + this.startXRefQueue.push(obj); + } else if (isRef(obj)) { + // The spec says Prev must not be a reference, i.e. "/Prev NNN" + // This is a fallback for non-compliant PDFs, i.e. "/Prev NNN 0 R" + this.startXRefQueue.push(obj.num); + } + this.startXRefQueue.shift(); + } + return this.topDict; + } catch (e) { + if (e instanceof MissingDataException) { + throw e; + } + info('(while reading XRef): ' + e); + } + if (recoveryMode) { + return; + } + throw new XRefParseException(); + }, + getEntry: function XRef_getEntry(i) { + var xrefEntry = this.entries[i]; + if (xrefEntry && !xrefEntry.free && xrefEntry.offset) { + return xrefEntry; + } + return null; + }, + fetchIfRef: function XRef_fetchIfRef(obj, suppressEncryption) { + if (!isRef(obj)) { + return obj; + } + return this.fetch(obj, suppressEncryption); + }, + fetch: function XRef_fetch(ref, suppressEncryption) { + assert(isRef(ref), 'ref object is not a reference'); + var num = ref.num; + if (num in this.cache) { + var cacheEntry = this.cache[num]; + return cacheEntry; + } + var xrefEntry = this.getEntry(num); + // the referenced entry can be free + if (xrefEntry === null) { + return this.cache[num] = null; + } + if (xrefEntry.uncompressed) { + xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption); + } else { + xrefEntry = this.fetchCompressed(xrefEntry, suppressEncryption); + } + if (isDict(xrefEntry)) { + xrefEntry.objId = ref.toString(); + } else if (isStream(xrefEntry)) { + xrefEntry.dict.objId = ref.toString(); + } + return xrefEntry; + }, + fetchUncompressed: function XRef_fetchUncompressed(ref, xrefEntry, suppressEncryption) { + var gen = ref.gen; + var num = ref.num; + if (xrefEntry.gen !== gen) { + error('inconsistent generation in XRef'); + } + var stream = this.stream.makeSubStream(xrefEntry.offset + this.stream.start); + var parser = new Parser(new Lexer(stream), true, this); + var obj1 = parser.getObj(); + var obj2 = parser.getObj(); + var obj3 = parser.getObj(); + if (!isInt(obj1) || parseInt(obj1, 10) !== num || !isInt(obj2) || parseInt(obj2, 10) !== gen || !isCmd(obj3)) { + error('bad XRef entry'); + } + if (!isCmd(obj3, 'obj')) { + // some bad PDFs use "obj1234" and really mean 1234 + if (obj3.cmd.indexOf('obj') === 0) { + num = parseInt(obj3.cmd.substring(3), 10); + if (!isNaN(num)) { + return num; + } + } + error('bad XRef entry'); + } + if (this.encrypt && !suppressEncryption) { + xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen)); + } else { + xrefEntry = parser.getObj(); + } + if (!isStream(xrefEntry)) { + this.cache[num] = xrefEntry; + } + return xrefEntry; + }, + fetchCompressed: function XRef_fetchCompressed(xrefEntry, suppressEncryption) { + var tableOffset = xrefEntry.offset; + var stream = this.fetch(new Ref(tableOffset, 0)); + if (!isStream(stream)) { + error('bad ObjStm stream'); + } + var first = stream.dict.get('First'); + var n = stream.dict.get('N'); + if (!isInt(first) || !isInt(n)) { + error('invalid first and n parameters for ObjStm stream'); + } + var parser = new Parser(new Lexer(stream), false, this); + parser.allowStreams = true; + var i, entries = [], num, nums = []; + // read the object numbers to populate cache + for (i = 0; i < n; ++i) { + num = parser.getObj(); + if (!isInt(num)) { + error('invalid object number in the ObjStm stream: ' + num); + } + nums.push(num); + var offset = parser.getObj(); + if (!isInt(offset)) { + error('invalid object offset in the ObjStm stream: ' + offset); + } + } + // read stream objects for cache + for (i = 0; i < n; ++i) { + entries.push(parser.getObj()); + // The ObjStm should not contain 'endobj'. If it's present, skip over it + // to support corrupt PDFs (fixes issue 5241, bug 898610, bug 1037816). + if (isCmd(parser.buf1, 'endobj')) { + parser.shift(); + } + num = nums[i]; + var entry = this.entries[num]; + if (entry && entry.offset === tableOffset && entry.gen === i) { + this.cache[num] = entries[i]; + } + } + xrefEntry = entries[xrefEntry.gen]; + if (xrefEntry === undefined) { + error('bad XRef entry for compressed object'); + } + return xrefEntry; + }, + fetchIfRefAsync: function XRef_fetchIfRefAsync(obj, suppressEncryption) { + if (!isRef(obj)) { + return Promise.resolve(obj); + } + return this.fetchAsync(obj, suppressEncryption); + }, + fetchAsync: function XRef_fetchAsync(ref, suppressEncryption) { + var streamManager = this.stream.manager; + var xref = this; + return new Promise(function tryFetch(resolve, reject) { + try { + resolve(xref.fetch(ref, suppressEncryption)); + } catch (e) { + if (e instanceof MissingDataException) { + streamManager.requestRange(e.begin, e.end).then(function () { + tryFetch(resolve, reject); + }, reject); + return; + } + reject(e); + } + }); + }, + getCatalogObj: function XRef_getCatalogObj() { + return this.root; + } + }; + return XRef; + }(); + /** + * A NameTree/NumberTree is like a Dict but has some advantageous properties, + * see the specification (7.9.6 and 7.9.7) for additional details. + * TODO: implement all the Dict functions and make this more efficient. + */ + var NameOrNumberTree = function NameOrNumberTreeClosure() { + function NameOrNumberTree(root, xref) { + throw new Error('Cannot initialize NameOrNumberTree.'); + } + NameOrNumberTree.prototype = { + getAll: function NameOrNumberTree_getAll() { + var dict = Object.create(null); + if (!this.root) { + return dict; + } + var xref = this.xref; + // Reading Name/Number tree. + var processed = new RefSet(); + processed.put(this.root); + var queue = [this.root]; + while (queue.length > 0) { + var i, n; + var obj = xref.fetchIfRef(queue.shift()); + if (!isDict(obj)) { + continue; + } + if (obj.has('Kids')) { + var kids = obj.get('Kids'); + for (i = 0, n = kids.length; i < n; i++) { + var kid = kids[i]; + assert(!processed.has(kid), 'Duplicate entry in "' + this._type + '" tree.'); + queue.push(kid); + processed.put(kid); + } + continue; + } + var entries = obj.get(this._type); + if (isArray(entries)) { + for (i = 0, n = entries.length; i < n; i += 2) { + dict[xref.fetchIfRef(entries[i])] = xref.fetchIfRef(entries[i + 1]); + } + } + } + return dict; + }, + get: function NameOrNumberTree_get(key) { + if (!this.root) { + return null; + } + var xref = this.xref; + var kidsOrEntries = xref.fetchIfRef(this.root); + var loopCount = 0; + var MAX_LEVELS = 10; + var l, r, m; + // Perform a binary search to quickly find the entry that + // contains the key we are looking for. + while (kidsOrEntries.has('Kids')) { + if (++loopCount > MAX_LEVELS) { + warn('Search depth limit reached for "' + this._type + '" tree.'); + return null; + } + var kids = kidsOrEntries.get('Kids'); + if (!isArray(kids)) { + return null; + } + l = 0; + r = kids.length - 1; + while (l <= r) { + m = l + r >> 1; + var kid = xref.fetchIfRef(kids[m]); + var limits = kid.get('Limits'); + if (key < xref.fetchIfRef(limits[0])) { + r = m - 1; + } else if (key > xref.fetchIfRef(limits[1])) { + l = m + 1; + } else { + kidsOrEntries = xref.fetchIfRef(kids[m]); + break; + } + } + if (l > r) { + return null; + } + } + // If we get here, then we have found the right entry. Now go through the + // entries in the dictionary until we find the key we're looking for. + var entries = kidsOrEntries.get(this._type); + if (isArray(entries)) { + // Perform a binary search to reduce the lookup time. + l = 0; + r = entries.length - 2; + while (l <= r) { + // Check only even indices (0, 2, 4, ...) because the + // odd indices contain the actual data. + m = l + r & ~1; + var currentKey = xref.fetchIfRef(entries[m]); + if (key < currentKey) { + r = m - 2; + } else if (key > currentKey) { + l = m + 2; + } else { + return xref.fetchIfRef(entries[m + 1]); + } + } + } + return null; + } + }; + return NameOrNumberTree; + }(); + var NameTree = function NameTreeClosure() { + function NameTree(root, xref) { + this.root = root; + this.xref = xref; + this._type = 'Names'; + } + Util.inherit(NameTree, NameOrNumberTree, {}); + return NameTree; + }(); + var NumberTree = function NumberTreeClosure() { + function NumberTree(root, xref) { + this.root = root; + this.xref = xref; + this._type = 'Nums'; + } + Util.inherit(NumberTree, NameOrNumberTree, {}); + return NumberTree; + }(); + /** + * "A PDF file can refer to the contents of another file by using a File + * Specification (PDF 1.1)", see the spec (7.11) for more details. + * NOTE: Only embedded files are supported (as part of the attachments support) + * TODO: support the 'URL' file system (with caching if !/V), portable + * collections attributes and related files (/RF) + */ + var FileSpec = function FileSpecClosure() { + function FileSpec(root, xref) { + if (!root || !isDict(root)) { + return; + } + this.xref = xref; + this.root = root; + if (root.has('FS')) { + this.fs = root.get('FS'); + } + this.description = root.has('Desc') ? stringToPDFString(root.get('Desc')) : ''; + if (root.has('RF')) { + warn('Related file specifications are not supported'); + } + this.contentAvailable = true; + if (!root.has('EF')) { + this.contentAvailable = false; + warn('Non-embedded file specifications are not supported'); + } + } + function pickPlatformItem(dict) { + // Look for the filename in this order: + // UF, F, Unix, Mac, DOS + if (dict.has('UF')) { + return dict.get('UF'); + } else if (dict.has('F')) { + return dict.get('F'); + } else if (dict.has('Unix')) { + return dict.get('Unix'); + } else if (dict.has('Mac')) { + return dict.get('Mac'); + } else if (dict.has('DOS')) { + return dict.get('DOS'); + } else { + return null; + } + } + FileSpec.prototype = { + get filename() { + if (!this._filename && this.root) { + var filename = pickPlatformItem(this.root) || 'unnamed'; + this._filename = stringToPDFString(filename).replace(/\\\\/g, '\\').replace(/\\\//g, '/').replace(/\\/g, '/'); + } + return this._filename; + }, + get content() { + if (!this.contentAvailable) { + return null; + } + if (!this.contentRef && this.root) { + this.contentRef = pickPlatformItem(this.root.get('EF')); + } + var content = null; + if (this.contentRef) { + var xref = this.xref; + var fileObj = xref.fetchIfRef(this.contentRef); + if (fileObj && isStream(fileObj)) { + content = fileObj.getBytes(); + } else { + warn('Embedded file specification points to non-existing/invalid ' + 'content'); + } + } else { + warn('Embedded file specification does not have a content'); + } + return content; + }, + get serializable() { + return { + filename: this.filename, + content: this.content + }; + } + }; + return FileSpec; + }(); + /** + * A helper for loading missing data in object graphs. It traverses the graph + * depth first and queues up any objects that have missing data. Once it has + * has traversed as many objects that are available it attempts to bundle the + * missing data requests and then resume from the nodes that weren't ready. + * + * NOTE: It provides protection from circular references by keeping track of + * of loaded references. However, you must be careful not to load any graphs + * that have references to the catalog or other pages since that will cause the + * entire PDF document object graph to be traversed. + */ + var ObjectLoader = function () { + function mayHaveChildren(value) { + return isRef(value) || isDict(value) || isArray(value) || isStream(value); + } + function addChildren(node, nodesToVisit) { + var value; + if (isDict(node) || isStream(node)) { + var map; + if (isDict(node)) { + map = node.map; + } else { + map = node.dict.map; + } + for (var key in map) { + value = map[key]; + if (mayHaveChildren(value)) { + nodesToVisit.push(value); + } + } + } else if (isArray(node)) { + for (var i = 0, ii = node.length; i < ii; i++) { + value = node[i]; + if (mayHaveChildren(value)) { + nodesToVisit.push(value); + } + } + } + } + function ObjectLoader(obj, keys, xref) { + this.obj = obj; + this.keys = keys; + this.xref = xref; + this.refSet = null; + this.capability = null; + } + ObjectLoader.prototype = { + load: function ObjectLoader_load() { + var keys = this.keys; + this.capability = createPromiseCapability(); + // Don't walk the graph if all the data is already loaded. + if (!(this.xref.stream instanceof ChunkedStream) || this.xref.stream.getMissingChunks().length === 0) { + this.capability.resolve(); + return this.capability.promise; + } + this.refSet = new RefSet(); + // Setup the initial nodes to visit. + var nodesToVisit = []; + for (var i = 0; i < keys.length; i++) { + nodesToVisit.push(this.obj[keys[i]]); + } + this._walk(nodesToVisit); + return this.capability.promise; + }, + _walk: function ObjectLoader_walk(nodesToVisit) { + var nodesToRevisit = []; + var pendingRequests = []; + // DFS walk of the object graph. + while (nodesToVisit.length) { + var currentNode = nodesToVisit.pop(); + // Only references or chunked streams can cause missing data exceptions. + if (isRef(currentNode)) { + // Skip nodes that have already been visited. + if (this.refSet.has(currentNode)) { + continue; + } + try { + var ref = currentNode; + this.refSet.put(ref); + currentNode = this.xref.fetch(currentNode); + } catch (e) { + if (!(e instanceof MissingDataException)) { + throw e; + } + nodesToRevisit.push(currentNode); + pendingRequests.push({ + begin: e.begin, + end: e.end + }); + } + } + if (currentNode && currentNode.getBaseStreams) { + var baseStreams = currentNode.getBaseStreams(); + var foundMissingData = false; + for (var i = 0; i < baseStreams.length; i++) { + var stream = baseStreams[i]; + if (stream.getMissingChunks && stream.getMissingChunks().length) { + foundMissingData = true; + pendingRequests.push({ + begin: stream.start, + end: stream.end + }); + } + } + if (foundMissingData) { + nodesToRevisit.push(currentNode); + } + } + addChildren(currentNode, nodesToVisit); + } + if (pendingRequests.length) { + this.xref.stream.manager.requestRanges(pendingRequests).then(function pendingRequestCallback() { + nodesToVisit = nodesToRevisit; + for (var i = 0; i < nodesToRevisit.length; i++) { + var node = nodesToRevisit[i]; + // Remove any reference nodes from the currrent refset so they + // aren't skipped when we revist them. + if (isRef(node)) { + this.refSet.remove(node); + } + } + this._walk(nodesToVisit); + }.bind(this), this.capability.reject); + return; + } + // Everything is loaded. + this.refSet = null; + this.capability.resolve(); + } + }; + return ObjectLoader; + }(); + exports.Catalog = Catalog; + exports.ObjectLoader = ObjectLoader; + exports.XRef = XRef; + exports.FileSpec = FileSpec; + })); + (function (root, factory) { + factory(root.pdfjsCorePattern = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreFunction, root.pdfjsCoreColorSpace); + }(this, function (exports, sharedUtil, corePrimitives, coreFunction, coreColorSpace) { + var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; + var MissingDataException = sharedUtil.MissingDataException; + var Util = sharedUtil.Util; + var assert = sharedUtil.assert; + var error = sharedUtil.error; + var info = sharedUtil.info; + var warn = sharedUtil.warn; + var isStream = corePrimitives.isStream; + var PDFFunction = coreFunction.PDFFunction; + var ColorSpace = coreColorSpace.ColorSpace; + var ShadingType = { + FUNCTION_BASED: 1, + AXIAL: 2, + RADIAL: 3, + FREE_FORM_MESH: 4, + LATTICE_FORM_MESH: 5, + COONS_PATCH_MESH: 6, + TENSOR_PATCH_MESH: 7 + }; + var Pattern = function PatternClosure() { + // Constructor should define this.getPattern + function Pattern() { + error('should not call Pattern constructor'); + } + Pattern.prototype = { + // Input: current Canvas context + // Output: the appropriate fillStyle or strokeStyle + getPattern: function Pattern_getPattern(ctx) { + error('Should not call Pattern.getStyle: ' + ctx); + } + }; + Pattern.parseShading = function Pattern_parseShading(shading, matrix, xref, res, handler) { + var dict = isStream(shading) ? shading.dict : shading; + var type = dict.get('ShadingType'); + try { + switch (type) { + case ShadingType.AXIAL: + case ShadingType.RADIAL: + // Both radial and axial shadings are handled by RadialAxial shading. + return new Shadings.RadialAxial(dict, matrix, xref, res); + case ShadingType.FREE_FORM_MESH: + case ShadingType.LATTICE_FORM_MESH: + case ShadingType.COONS_PATCH_MESH: + case ShadingType.TENSOR_PATCH_MESH: + return new Shadings.Mesh(shading, matrix, xref, res); + default: + throw new Error('Unsupported ShadingType: ' + type); + } + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + handler.send('UnsupportedFeature', { featureId: UNSUPPORTED_FEATURES.shadingPattern }); + warn(ex); + return new Shadings.Dummy(); + } + }; + return Pattern; + }(); + var Shadings = {}; + // A small number to offset the first/last color stops so we can insert ones to + // support extend. Number.MIN_VALUE is too small and breaks the extend. + Shadings.SMALL_NUMBER = 1e-6; + // Radial and axial shading have very similar implementations + // If needed, the implementations can be broken into two classes + Shadings.RadialAxial = function RadialAxialClosure() { + function RadialAxial(dict, matrix, xref, res) { + this.matrix = matrix; + this.coordsArr = dict.getArray('Coords'); + this.shadingType = dict.get('ShadingType'); + this.type = 'Pattern'; + var cs = dict.get('ColorSpace', 'CS'); + cs = ColorSpace.parse(cs, xref, res); + this.cs = cs; + var t0 = 0.0, t1 = 1.0; + if (dict.has('Domain')) { + var domainArr = dict.getArray('Domain'); + t0 = domainArr[0]; + t1 = domainArr[1]; + } + var extendStart = false, extendEnd = false; + if (dict.has('Extend')) { + var extendArr = dict.getArray('Extend'); + extendStart = extendArr[0]; + extendEnd = extendArr[1]; + } + if (this.shadingType === ShadingType.RADIAL && (!extendStart || !extendEnd)) { + // Radial gradient only currently works if either circle is fully within + // the other circle. + var x1 = this.coordsArr[0]; + var y1 = this.coordsArr[1]; + var r1 = this.coordsArr[2]; + var x2 = this.coordsArr[3]; + var y2 = this.coordsArr[4]; + var r2 = this.coordsArr[5]; + var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); + if (r1 <= r2 + distance && r2 <= r1 + distance) { + warn('Unsupported radial gradient.'); + } + } + this.extendStart = extendStart; + this.extendEnd = extendEnd; + var fnObj = dict.get('Function'); + var fn = PDFFunction.parseArray(xref, fnObj); + // 10 samples seems good enough for now, but probably won't work + // if there are sharp color changes. Ideally, we would implement + // the spec faithfully and add lossless optimizations. + var diff = t1 - t0; + var step = diff / 10; + var colorStops = this.colorStops = []; + // Protect against bad domains so we don't end up in an infinte loop below. + if (t0 >= t1 || step <= 0) { + // Acrobat doesn't seem to handle these cases so we'll ignore for + // now. + info('Bad shading domain.'); + return; + } + var color = new Float32Array(cs.numComps), ratio = new Float32Array(1); + var rgbColor; + for (var i = t0; i <= t1; i += step) { + ratio[0] = i; + fn(ratio, 0, color, 0); + rgbColor = cs.getRgb(color, 0); + var cssColor = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]); + colorStops.push([ + (i - t0) / diff, + cssColor + ]); + } + var background = 'transparent'; + if (dict.has('Background')) { + rgbColor = cs.getRgb(dict.get('Background'), 0); + background = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]); + } + if (!extendStart) { + // Insert a color stop at the front and offset the first real color stop + // so it doesn't conflict with the one we insert. + colorStops.unshift([ + 0, + background + ]); + colorStops[1][0] += Shadings.SMALL_NUMBER; + } + if (!extendEnd) { + // Same idea as above in extendStart but for the end. + colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER; + colorStops.push([ + 1, + background + ]); + } + this.colorStops = colorStops; + } + RadialAxial.prototype = { + getIR: function RadialAxial_getIR() { + var coordsArr = this.coordsArr; + var shadingType = this.shadingType; + var type, p0, p1, r0, r1; + if (shadingType === ShadingType.AXIAL) { + p0 = [ + coordsArr[0], + coordsArr[1] + ]; + p1 = [ + coordsArr[2], + coordsArr[3] + ]; + r0 = null; + r1 = null; + type = 'axial'; + } else if (shadingType === ShadingType.RADIAL) { + p0 = [ + coordsArr[0], + coordsArr[1] + ]; + p1 = [ + coordsArr[3], + coordsArr[4] + ]; + r0 = coordsArr[2]; + r1 = coordsArr[5]; + type = 'radial'; + } else { + error('getPattern type unknown: ' + shadingType); + } + var matrix = this.matrix; + if (matrix) { + p0 = Util.applyTransform(p0, matrix); + p1 = Util.applyTransform(p1, matrix); + if (shadingType === ShadingType.RADIAL) { + var scale = Util.singularValueDecompose2dScale(matrix); + r0 *= scale[0]; + r1 *= scale[1]; + } + } + return [ + 'RadialAxial', + type, + this.colorStops, + p0, + p1, + r0, + r1 + ]; + } + }; + return RadialAxial; + }(); + // All mesh shading. For now, they will be presented as set of the triangles + // to be drawn on the canvas and rgb color for each vertex. + Shadings.Mesh = function MeshClosure() { + function MeshStreamReader(stream, context) { + this.stream = stream; + this.context = context; + this.buffer = 0; + this.bufferLength = 0; + var numComps = context.numComps; + this.tmpCompsBuf = new Float32Array(numComps); + var csNumComps = context.colorSpace.numComps; + this.tmpCsCompsBuf = context.colorFn ? new Float32Array(csNumComps) : this.tmpCompsBuf; + } + MeshStreamReader.prototype = { + get hasData() { + if (this.stream.end) { + return this.stream.pos < this.stream.end; + } + if (this.bufferLength > 0) { + return true; + } + var nextByte = this.stream.getByte(); + if (nextByte < 0) { + return false; + } + this.buffer = nextByte; + this.bufferLength = 8; + return true; + }, + readBits: function MeshStreamReader_readBits(n) { + var buffer = this.buffer; + var bufferLength = this.bufferLength; + if (n === 32) { + if (bufferLength === 0) { + return (this.stream.getByte() << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte()) >>> 0; + } + buffer = buffer << 24 | this.stream.getByte() << 16 | this.stream.getByte() << 8 | this.stream.getByte(); + var nextByte = this.stream.getByte(); + this.buffer = nextByte & (1 << bufferLength) - 1; + return (buffer << 8 - bufferLength | (nextByte & 0xFF) >> bufferLength) >>> 0; + } + if (n === 8 && bufferLength === 0) { + return this.stream.getByte(); + } + while (bufferLength < n) { + buffer = buffer << 8 | this.stream.getByte(); + bufferLength += 8; + } + bufferLength -= n; + this.bufferLength = bufferLength; + this.buffer = buffer & (1 << bufferLength) - 1; + return buffer >> bufferLength; + }, + align: function MeshStreamReader_align() { + this.buffer = 0; + this.bufferLength = 0; + }, + readFlag: function MeshStreamReader_readFlag() { + return this.readBits(this.context.bitsPerFlag); + }, + readCoordinate: function MeshStreamReader_readCoordinate() { + var bitsPerCoordinate = this.context.bitsPerCoordinate; + var xi = this.readBits(bitsPerCoordinate); + var yi = this.readBits(bitsPerCoordinate); + var decode = this.context.decode; + var scale = bitsPerCoordinate < 32 ? 1 / ((1 << bitsPerCoordinate) - 1) : 2.3283064365386963e-10; + // 2 ^ -32 + return [ + xi * scale * (decode[1] - decode[0]) + decode[0], + yi * scale * (decode[3] - decode[2]) + decode[2] + ]; + }, + readComponents: function MeshStreamReader_readComponents() { + var numComps = this.context.numComps; + var bitsPerComponent = this.context.bitsPerComponent; + var scale = bitsPerComponent < 32 ? 1 / ((1 << bitsPerComponent) - 1) : 2.3283064365386963e-10; + // 2 ^ -32 + var decode = this.context.decode; + var components = this.tmpCompsBuf; + for (var i = 0, j = 4; i < numComps; i++, j += 2) { + var ci = this.readBits(bitsPerComponent); + components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j]; + } + var color = this.tmpCsCompsBuf; + if (this.context.colorFn) { + this.context.colorFn(components, 0, color, 0); + } + return this.context.colorSpace.getRgb(color, 0); + } + }; + function decodeType4Shading(mesh, reader) { + var coords = mesh.coords; + var colors = mesh.colors; + var operators = []; + var ps = []; + // not maintaining cs since that will match ps + var verticesLeft = 0; + // assuming we have all data to start a new triangle + while (reader.hasData) { + var f = reader.readFlag(); + var coord = reader.readCoordinate(); + var color = reader.readComponents(); + if (verticesLeft === 0) { + // ignoring flags if we started a triangle + assert(0 <= f && f <= 2, 'Unknown type4 flag'); + switch (f) { + case 0: + verticesLeft = 3; + break; + case 1: + ps.push(ps[ps.length - 2], ps[ps.length - 1]); + verticesLeft = 1; + break; + case 2: + ps.push(ps[ps.length - 3], ps[ps.length - 1]); + verticesLeft = 1; + break; + } + operators.push(f); + } + ps.push(coords.length); + coords.push(coord); + colors.push(color); + verticesLeft--; + reader.align(); + } + mesh.figures.push({ + type: 'triangles', + coords: new Int32Array(ps), + colors: new Int32Array(ps) + }); + } + function decodeType5Shading(mesh, reader, verticesPerRow) { + var coords = mesh.coords; + var colors = mesh.colors; + var ps = []; + // not maintaining cs since that will match ps + while (reader.hasData) { + var coord = reader.readCoordinate(); + var color = reader.readComponents(); + ps.push(coords.length); + coords.push(coord); + colors.push(color); + } + mesh.figures.push({ + type: 'lattice', + coords: new Int32Array(ps), + colors: new Int32Array(ps), + verticesPerRow: verticesPerRow + }); + } + var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3; + var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20; + var TRIANGLE_DENSITY = 20; + // count of triangles per entire mesh bounds + var getB = function getBClosure() { + function buildB(count) { + var lut = []; + for (var i = 0; i <= count; i++) { + var t = i / count, t_ = 1 - t; + lut.push(new Float32Array([ + t_ * t_ * t_, + 3 * t * t_ * t_, + 3 * t * t * t_, + t * t * t + ])); + } + return lut; + } + var cache = []; + return function getB(count) { + if (!cache[count]) { + cache[count] = buildB(count); + } + return cache[count]; + }; + }(); + function buildFigureFromPatch(mesh, index) { + var figure = mesh.figures[index]; + assert(figure.type === 'patch', 'Unexpected patch mesh figure'); + var coords = mesh.coords, colors = mesh.colors; + var pi = figure.coords; + var ci = figure.colors; + var figureMinX = Math.min(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]); + var figureMinY = Math.min(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]); + var figureMaxX = Math.max(coords[pi[0]][0], coords[pi[3]][0], coords[pi[12]][0], coords[pi[15]][0]); + var figureMaxY = Math.max(coords[pi[0]][1], coords[pi[3]][1], coords[pi[12]][1], coords[pi[15]][1]); + var splitXBy = Math.ceil((figureMaxX - figureMinX) * TRIANGLE_DENSITY / (mesh.bounds[2] - mesh.bounds[0])); + splitXBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy)); + var splitYBy = Math.ceil((figureMaxY - figureMinY) * TRIANGLE_DENSITY / (mesh.bounds[3] - mesh.bounds[1])); + splitYBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy)); + var verticesPerRow = splitXBy + 1; + var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow); + var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow); + var k = 0; + var cl = new Uint8Array(3), cr = new Uint8Array(3); + var c0 = colors[ci[0]], c1 = colors[ci[1]], c2 = colors[ci[2]], c3 = colors[ci[3]]; + var bRow = getB(splitYBy), bCol = getB(splitXBy); + for (var row = 0; row <= splitYBy; row++) { + cl[0] = (c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy | 0; + cl[1] = (c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy | 0; + cl[2] = (c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy | 0; + cr[0] = (c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy | 0; + cr[1] = (c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy | 0; + cr[2] = (c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy | 0; + for (var col = 0; col <= splitXBy; col++, k++) { + if ((row === 0 || row === splitYBy) && (col === 0 || col === splitXBy)) { + continue; + } + var x = 0, y = 0; + var q = 0; + for (var i = 0; i <= 3; i++) { + for (var j = 0; j <= 3; j++, q++) { + var m = bRow[row][i] * bCol[col][j]; + x += coords[pi[q]][0] * m; + y += coords[pi[q]][1] * m; + } + } + figureCoords[k] = coords.length; + coords.push([ + x, + y + ]); + figureColors[k] = colors.length; + var newColor = new Uint8Array(3); + newColor[0] = (cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy | 0; + newColor[1] = (cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy | 0; + newColor[2] = (cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy | 0; + colors.push(newColor); + } + } + figureCoords[0] = pi[0]; + figureColors[0] = ci[0]; + figureCoords[splitXBy] = pi[3]; + figureColors[splitXBy] = ci[1]; + figureCoords[verticesPerRow * splitYBy] = pi[12]; + figureColors[verticesPerRow * splitYBy] = ci[2]; + figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15]; + figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3]; + mesh.figures[index] = { + type: 'lattice', + coords: figureCoords, + colors: figureColors, + verticesPerRow: verticesPerRow + }; + } + function decodeType6Shading(mesh, reader) { + // A special case of Type 7. The p11, p12, p21, p22 automatically filled + var coords = mesh.coords; + var colors = mesh.colors; + var ps = new Int32Array(16); + // p00, p10, ..., p30, p01, ..., p33 + var cs = new Int32Array(4); + // c00, c30, c03, c33 + while (reader.hasData) { + var f = reader.readFlag(); + assert(0 <= f && f <= 3, 'Unknown type6 flag'); + var i, ii; + var pi = coords.length; + for (i = 0, ii = f !== 0 ? 8 : 12; i < ii; i++) { + coords.push(reader.readCoordinate()); + } + var ci = colors.length; + for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) { + colors.push(reader.readComponents()); + } + var tmp1, tmp2, tmp3, tmp4; + switch (f) { + case 0: + ps[12] = pi + 3; + ps[13] = pi + 4; + ps[14] = pi + 5; + ps[15] = pi + 6; + ps[8] = pi + 2; + /* values for 5, 6, 9, 10 are */ + ps[11] = pi + 7; + ps[4] = pi + 1; + /* calculated below */ + ps[7] = pi + 8; + ps[0] = pi; + ps[1] = pi + 11; + ps[2] = pi + 10; + ps[3] = pi + 9; + cs[2] = ci + 1; + cs[3] = ci + 2; + cs[0] = ci; + cs[1] = ci + 3; + break; + case 1: + tmp1 = ps[12]; + tmp2 = ps[13]; + tmp3 = ps[14]; + tmp4 = ps[15]; + ps[12] = tmp4; + ps[13] = pi + 0; + ps[14] = pi + 1; + ps[15] = pi + 2; + ps[8] = tmp3; + /* values for 5, 6, 9, 10 are */ + ps[11] = pi + 3; + ps[4] = tmp2; + /* calculated below */ + ps[7] = pi + 4; + ps[0] = tmp1; + ps[1] = pi + 7; + ps[2] = pi + 6; + ps[3] = pi + 5; + tmp1 = cs[2]; + tmp2 = cs[3]; + cs[2] = tmp2; + cs[3] = ci; + cs[0] = tmp1; + cs[1] = ci + 1; + break; + case 2: + tmp1 = ps[15]; + tmp2 = ps[11]; + ps[12] = ps[3]; + ps[13] = pi + 0; + ps[14] = pi + 1; + ps[15] = pi + 2; + ps[8] = ps[7]; + /* values for 5, 6, 9, 10 are */ + ps[11] = pi + 3; + ps[4] = tmp2; + /* calculated below */ + ps[7] = pi + 4; + ps[0] = tmp1; + ps[1] = pi + 7; + ps[2] = pi + 6; + ps[3] = pi + 5; + tmp1 = cs[3]; + cs[2] = cs[1]; + cs[3] = ci; + cs[0] = tmp1; + cs[1] = ci + 1; + break; + case 3: + ps[12] = ps[0]; + ps[13] = pi + 0; + ps[14] = pi + 1; + ps[15] = pi + 2; + ps[8] = ps[1]; + /* values for 5, 6, 9, 10 are */ + ps[11] = pi + 3; + ps[4] = ps[2]; + /* calculated below */ + ps[7] = pi + 4; + ps[0] = ps[3]; + ps[1] = pi + 7; + ps[2] = pi + 6; + ps[3] = pi + 5; + cs[2] = cs[0]; + cs[3] = ci; + cs[0] = cs[1]; + cs[1] = ci + 1; + break; + } + // set p11, p12, p21, p22 + ps[5] = coords.length; + coords.push([ + (-4 * coords[ps[0]][0] - coords[ps[15]][0] + 6 * (coords[ps[4]][0] + coords[ps[1]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[13]][0] + coords[ps[7]][0])) / 9, + (-4 * coords[ps[0]][1] - coords[ps[15]][1] + 6 * (coords[ps[4]][1] + coords[ps[1]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[13]][1] + coords[ps[7]][1])) / 9 + ]); + ps[6] = coords.length; + coords.push([ + (-4 * coords[ps[3]][0] - coords[ps[12]][0] + 6 * (coords[ps[2]][0] + coords[ps[7]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[4]][0] + coords[ps[14]][0])) / 9, + (-4 * coords[ps[3]][1] - coords[ps[12]][1] + 6 * (coords[ps[2]][1] + coords[ps[7]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[4]][1] + coords[ps[14]][1])) / 9 + ]); + ps[9] = coords.length; + coords.push([ + (-4 * coords[ps[12]][0] - coords[ps[3]][0] + 6 * (coords[ps[8]][0] + coords[ps[13]][0]) - 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + 3 * (coords[ps[11]][0] + coords[ps[1]][0])) / 9, + (-4 * coords[ps[12]][1] - coords[ps[3]][1] + 6 * (coords[ps[8]][1] + coords[ps[13]][1]) - 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + 3 * (coords[ps[11]][1] + coords[ps[1]][1])) / 9 + ]); + ps[10] = coords.length; + coords.push([ + (-4 * coords[ps[15]][0] - coords[ps[0]][0] + 6 * (coords[ps[11]][0] + coords[ps[14]][0]) - 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + 3 * (coords[ps[2]][0] + coords[ps[8]][0])) / 9, + (-4 * coords[ps[15]][1] - coords[ps[0]][1] + 6 * (coords[ps[11]][1] + coords[ps[14]][1]) - 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + 3 * (coords[ps[2]][1] + coords[ps[8]][1])) / 9 + ]); + mesh.figures.push({ + type: 'patch', + coords: new Int32Array(ps), + // making copies of ps and cs + colors: new Int32Array(cs) + }); + } + } + function decodeType7Shading(mesh, reader) { + var coords = mesh.coords; + var colors = mesh.colors; + var ps = new Int32Array(16); + // p00, p10, ..., p30, p01, ..., p33 + var cs = new Int32Array(4); + // c00, c30, c03, c33 + while (reader.hasData) { + var f = reader.readFlag(); + assert(0 <= f && f <= 3, 'Unknown type7 flag'); + var i, ii; + var pi = coords.length; + for (i = 0, ii = f !== 0 ? 12 : 16; i < ii; i++) { + coords.push(reader.readCoordinate()); + } + var ci = colors.length; + for (i = 0, ii = f !== 0 ? 2 : 4; i < ii; i++) { + colors.push(reader.readComponents()); + } + var tmp1, tmp2, tmp3, tmp4; + switch (f) { + case 0: + ps[12] = pi + 3; + ps[13] = pi + 4; + ps[14] = pi + 5; + ps[15] = pi + 6; + ps[8] = pi + 2; + ps[9] = pi + 13; + ps[10] = pi + 14; + ps[11] = pi + 7; + ps[4] = pi + 1; + ps[5] = pi + 12; + ps[6] = pi + 15; + ps[7] = pi + 8; + ps[0] = pi; + ps[1] = pi + 11; + ps[2] = pi + 10; + ps[3] = pi + 9; + cs[2] = ci + 1; + cs[3] = ci + 2; + cs[0] = ci; + cs[1] = ci + 3; + break; + case 1: + tmp1 = ps[12]; + tmp2 = ps[13]; + tmp3 = ps[14]; + tmp4 = ps[15]; + ps[12] = tmp4; + ps[13] = pi + 0; + ps[14] = pi + 1; + ps[15] = pi + 2; + ps[8] = tmp3; + ps[9] = pi + 9; + ps[10] = pi + 10; + ps[11] = pi + 3; + ps[4] = tmp2; + ps[5] = pi + 8; + ps[6] = pi + 11; + ps[7] = pi + 4; + ps[0] = tmp1; + ps[1] = pi + 7; + ps[2] = pi + 6; + ps[3] = pi + 5; + tmp1 = cs[2]; + tmp2 = cs[3]; + cs[2] = tmp2; + cs[3] = ci; + cs[0] = tmp1; + cs[1] = ci + 1; + break; + case 2: + tmp1 = ps[15]; + tmp2 = ps[11]; + ps[12] = ps[3]; + ps[13] = pi + 0; + ps[14] = pi + 1; + ps[15] = pi + 2; + ps[8] = ps[7]; + ps[9] = pi + 9; + ps[10] = pi + 10; + ps[11] = pi + 3; + ps[4] = tmp2; + ps[5] = pi + 8; + ps[6] = pi + 11; + ps[7] = pi + 4; + ps[0] = tmp1; + ps[1] = pi + 7; + ps[2] = pi + 6; + ps[3] = pi + 5; + tmp1 = cs[3]; + cs[2] = cs[1]; + cs[3] = ci; + cs[0] = tmp1; + cs[1] = ci + 1; + break; + case 3: + ps[12] = ps[0]; + ps[13] = pi + 0; + ps[14] = pi + 1; + ps[15] = pi + 2; + ps[8] = ps[1]; + ps[9] = pi + 9; + ps[10] = pi + 10; + ps[11] = pi + 3; + ps[4] = ps[2]; + ps[5] = pi + 8; + ps[6] = pi + 11; + ps[7] = pi + 4; + ps[0] = ps[3]; + ps[1] = pi + 7; + ps[2] = pi + 6; + ps[3] = pi + 5; + cs[2] = cs[0]; + cs[3] = ci; + cs[0] = cs[1]; + cs[1] = ci + 1; + break; + } + mesh.figures.push({ + type: 'patch', + coords: new Int32Array(ps), + // making copies of ps and cs + colors: new Int32Array(cs) + }); + } + } + function updateBounds(mesh) { + var minX = mesh.coords[0][0], minY = mesh.coords[0][1], maxX = minX, maxY = minY; + for (var i = 1, ii = mesh.coords.length; i < ii; i++) { + var x = mesh.coords[i][0], y = mesh.coords[i][1]; + minX = minX > x ? x : minX; + minY = minY > y ? y : minY; + maxX = maxX < x ? x : maxX; + maxY = maxY < y ? y : maxY; + } + mesh.bounds = [ + minX, + minY, + maxX, + maxY + ]; + } + function packData(mesh) { + var i, ii, j, jj; + var coords = mesh.coords; + var coordsPacked = new Float32Array(coords.length * 2); + for (i = 0, j = 0, ii = coords.length; i < ii; i++) { + var xy = coords[i]; + coordsPacked[j++] = xy[0]; + coordsPacked[j++] = xy[1]; + } + mesh.coords = coordsPacked; + var colors = mesh.colors; + var colorsPacked = new Uint8Array(colors.length * 3); + for (i = 0, j = 0, ii = colors.length; i < ii; i++) { + var c = colors[i]; + colorsPacked[j++] = c[0]; + colorsPacked[j++] = c[1]; + colorsPacked[j++] = c[2]; + } + mesh.colors = colorsPacked; + var figures = mesh.figures; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + for (j = 0, jj = ps.length; j < jj; j++) { + ps[j] *= 2; + cs[j] *= 3; + } + } + } + function Mesh(stream, matrix, xref, res) { + assert(isStream(stream), 'Mesh data is not a stream'); + var dict = stream.dict; + this.matrix = matrix; + this.shadingType = dict.get('ShadingType'); + this.type = 'Pattern'; + this.bbox = dict.getArray('BBox'); + var cs = dict.get('ColorSpace', 'CS'); + cs = ColorSpace.parse(cs, xref, res); + this.cs = cs; + this.background = dict.has('Background') ? cs.getRgb(dict.get('Background'), 0) : null; + var fnObj = dict.get('Function'); + var fn = fnObj ? PDFFunction.parseArray(xref, fnObj) : null; + this.coords = []; + this.colors = []; + this.figures = []; + var decodeContext = { + bitsPerCoordinate: dict.get('BitsPerCoordinate'), + bitsPerComponent: dict.get('BitsPerComponent'), + bitsPerFlag: dict.get('BitsPerFlag'), + decode: dict.getArray('Decode'), + colorFn: fn, + colorSpace: cs, + numComps: fn ? 1 : cs.numComps + }; + var reader = new MeshStreamReader(stream, decodeContext); + var patchMesh = false; + switch (this.shadingType) { + case ShadingType.FREE_FORM_MESH: + decodeType4Shading(this, reader); + break; + case ShadingType.LATTICE_FORM_MESH: + var verticesPerRow = dict.get('VerticesPerRow') | 0; + assert(verticesPerRow >= 2, 'Invalid VerticesPerRow'); + decodeType5Shading(this, reader, verticesPerRow); + break; + case ShadingType.COONS_PATCH_MESH: + decodeType6Shading(this, reader); + patchMesh = true; + break; + case ShadingType.TENSOR_PATCH_MESH: + decodeType7Shading(this, reader); + patchMesh = true; + break; + default: + error('Unsupported mesh type.'); + break; + } + if (patchMesh) { + // dirty bounds calculation for determining, how dense shall be triangles + updateBounds(this); + for (var i = 0, ii = this.figures.length; i < ii; i++) { + buildFigureFromPatch(this, i); + } + } + // calculate bounds + updateBounds(this); + packData(this); + } + Mesh.prototype = { + getIR: function Mesh_getIR() { + return [ + 'Mesh', + this.shadingType, + this.coords, + this.colors, + this.figures, + this.bounds, + this.matrix, + this.bbox, + this.background + ]; + } + }; + return Mesh; + }(); + Shadings.Dummy = function DummyClosure() { + function Dummy() { + this.type = 'Pattern'; + } + Dummy.prototype = { + getIR: function Dummy_getIR() { + return ['Dummy']; + } + }; + return Dummy; + }(); + function getTilingPatternIR(operatorList, dict, args) { + var matrix = dict.getArray('Matrix'); + var bbox = dict.getArray('BBox'); + var xstep = dict.get('XStep'); + var ystep = dict.get('YStep'); + var paintType = dict.get('PaintType'); + var tilingType = dict.get('TilingType'); + return [ + 'TilingPattern', + args, + operatorList, + matrix, + bbox, + xstep, + ystep, + paintType, + tilingType + ]; + } + exports.Pattern = Pattern; + exports.getTilingPatternIR = getTilingPatternIR; + })); + (function (root, factory) { + factory(root.pdfjsCoreEvaluator = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser, root.pdfjsCoreImage, root.pdfjsCoreColorSpace, root.pdfjsCoreMurmurHash3, root.pdfjsCoreFonts, root.pdfjsCoreFunction, root.pdfjsCorePattern, root.pdfjsCoreCMap, root.pdfjsCoreMetrics, root.pdfjsCoreBidi, root.pdfjsCoreEncodings, root.pdfjsCoreStandardFonts, root.pdfjsCoreUnicode, root.pdfjsCoreGlyphList); + }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser, coreImage, coreColorSpace, coreMurmurHash3, coreFonts, coreFunction, corePattern, coreCMap, coreMetrics, coreBidi, coreEncodings, coreStandardFonts, coreUnicode, coreGlyphList) { + var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; + var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; + var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; + var ImageKind = sharedUtil.ImageKind; + var OPS = sharedUtil.OPS; + var TextRenderingMode = sharedUtil.TextRenderingMode; + var Util = sharedUtil.Util; + var assert = sharedUtil.assert; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var isNum = sharedUtil.isNum; + var isString = sharedUtil.isString; + var getLookupTableFactory = sharedUtil.getLookupTableFactory; + var warn = sharedUtil.warn; + var Dict = corePrimitives.Dict; + var Name = corePrimitives.Name; + var isCmd = corePrimitives.isCmd; + var isDict = corePrimitives.isDict; + var isName = corePrimitives.isName; + var isRef = corePrimitives.isRef; + var isStream = corePrimitives.isStream; + var DecodeStream = coreStream.DecodeStream; + var JpegStream = coreStream.JpegStream; + var Stream = coreStream.Stream; + var Lexer = coreParser.Lexer; + var Parser = coreParser.Parser; + var isEOF = coreParser.isEOF; + var PDFImage = coreImage.PDFImage; + var ColorSpace = coreColorSpace.ColorSpace; + var MurmurHash3_64 = coreMurmurHash3.MurmurHash3_64; + var ErrorFont = coreFonts.ErrorFont; + var FontFlags = coreFonts.FontFlags; + var Font = coreFonts.Font; + var IdentityToUnicodeMap = coreFonts.IdentityToUnicodeMap; + var ToUnicodeMap = coreFonts.ToUnicodeMap; + var getFontType = coreFonts.getFontType; + var isPDFFunction = coreFunction.isPDFFunction; + var PDFFunction = coreFunction.PDFFunction; + var Pattern = corePattern.Pattern; + var getTilingPatternIR = corePattern.getTilingPatternIR; + var CMapFactory = coreCMap.CMapFactory; + var IdentityCMap = coreCMap.IdentityCMap; + var getMetrics = coreMetrics.getMetrics; + var bidi = coreBidi.bidi; + var WinAnsiEncoding = coreEncodings.WinAnsiEncoding; + var StandardEncoding = coreEncodings.StandardEncoding; + var MacRomanEncoding = coreEncodings.MacRomanEncoding; + var SymbolSetEncoding = coreEncodings.SymbolSetEncoding; + var ZapfDingbatsEncoding = coreEncodings.ZapfDingbatsEncoding; + var getEncoding = coreEncodings.getEncoding; + var getStdFontMap = coreStandardFonts.getStdFontMap; + var getSerifFonts = coreStandardFonts.getSerifFonts; + var getSymbolsFonts = coreStandardFonts.getSymbolsFonts; + var getNormalizedUnicodes = coreUnicode.getNormalizedUnicodes; + var reverseIfRtl = coreUnicode.reverseIfRtl; + var getUnicodeForGlyph = coreUnicode.getUnicodeForGlyph; + var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode; + var PartialEvaluator = function PartialEvaluatorClosure() { + var DefaultPartialEvaluatorOptions = { + forceDataSchema: false, + maxImageSize: -1, + disableFontFace: false, + cMapOptions: { + url: null, + packed: false + } + }; + function NativeImageDecoder(xref, resources, handler, forceDataSchema) { + this.xref = xref; + this.resources = resources; + this.handler = handler; + this.forceDataSchema = forceDataSchema; + } + NativeImageDecoder.prototype = { + canDecode: function (image) { + return image instanceof JpegStream && NativeImageDecoder.isDecodable(image, this.xref, this.resources); + }, + decode: function (image) { + // For natively supported JPEGs send them to the main thread for decoding. + var dict = image.dict; + var colorSpace = dict.get('ColorSpace', 'CS'); + colorSpace = ColorSpace.parse(colorSpace, this.xref, this.resources); + var numComps = colorSpace.numComps; + var decodePromise = this.handler.sendWithPromise('JpegDecode', [ + image.getIR(this.forceDataSchema), + numComps + ]); + return decodePromise.then(function (message) { + var data = message.data; + return new Stream(data, 0, data.length, image.dict); + }); + } + }; + /** + * Checks if the image can be decoded and displayed by the browser without any + * further processing such as color space conversions. + */ + NativeImageDecoder.isSupported = function NativeImageDecoder_isSupported(image, xref, res) { + var dict = image.dict; + if (dict.has('DecodeParms') || dict.has('DP')) { + return false; + } + var cs = ColorSpace.parse(dict.get('ColorSpace', 'CS'), xref, res); + return (cs.name === 'DeviceGray' || cs.name === 'DeviceRGB') && cs.isDefaultDecode(dict.getArray('Decode', 'D')); + }; + /** + * Checks if the image can be decoded by the browser. + */ + NativeImageDecoder.isDecodable = function NativeImageDecoder_isDecodable(image, xref, res) { + var dict = image.dict; + if (dict.has('DecodeParms') || dict.has('DP')) { + return false; + } + var cs = ColorSpace.parse(dict.get('ColorSpace', 'CS'), xref, res); + return (cs.numComps === 1 || cs.numComps === 3) && cs.isDefaultDecode(dict.getArray('Decode', 'D')); + }; + function PartialEvaluator(pdfManager, xref, handler, pageIndex, uniquePrefix, idCounters, fontCache, options) { + this.pdfManager = pdfManager; + this.xref = xref; + this.handler = handler; + this.pageIndex = pageIndex; + this.uniquePrefix = uniquePrefix; + this.idCounters = idCounters; + this.fontCache = fontCache; + this.options = options || DefaultPartialEvaluatorOptions; + } + // Trying to minimize Date.now() usage and check every 100 time + var TIME_SLOT_DURATION_MS = 20; + var CHECK_TIME_EVERY = 100; + function TimeSlotManager() { + this.reset(); + } + TimeSlotManager.prototype = { + check: function TimeSlotManager_check() { + if (++this.checked < CHECK_TIME_EVERY) { + return false; + } + this.checked = 0; + return this.endTime <= Date.now(); + }, + reset: function TimeSlotManager_reset() { + this.endTime = Date.now() + TIME_SLOT_DURATION_MS; + this.checked = 0; + } + }; + var deferred = Promise.resolve(); + var TILING_PATTERN = 1, SHADING_PATTERN = 2; + PartialEvaluator.prototype = { + hasBlendModes: function PartialEvaluator_hasBlendModes(resources) { + if (!isDict(resources)) { + return false; + } + var processed = Object.create(null); + if (resources.objId) { + processed[resources.objId] = true; + } + var nodes = [resources], xref = this.xref; + while (nodes.length) { + var key, i, ii; + var node = nodes.shift(); + // First check the current resources for blend modes. + var graphicStates = node.get('ExtGState'); + if (isDict(graphicStates)) { + var graphicStatesKeys = graphicStates.getKeys(); + for (i = 0, ii = graphicStatesKeys.length; i < ii; i++) { + key = graphicStatesKeys[i]; + var graphicState = graphicStates.get(key); + var bm = graphicState.get('BM'); + if (isName(bm) && bm.name !== 'Normal') { + return true; + } + } + } + // Descend into the XObjects to look for more resources and blend modes. + var xObjects = node.get('XObject'); + if (!isDict(xObjects)) { + continue; + } + var xObjectsKeys = xObjects.getKeys(); + for (i = 0, ii = xObjectsKeys.length; i < ii; i++) { + key = xObjectsKeys[i]; + var xObject = xObjects.getRaw(key); + if (isRef(xObject)) { + if (processed[xObject.toString()]) { + // The XObject has already been processed, and by avoiding a + // redundant `xref.fetch` we can *significantly* reduce the load + // time for badly generated PDF files (fixes issue6961.pdf). + continue; + } + xObject = xref.fetch(xObject); + } + if (!isStream(xObject)) { + continue; + } + if (xObject.dict.objId) { + if (processed[xObject.dict.objId]) { + // stream has objId and is processed already + continue; + } + processed[xObject.dict.objId] = true; + } + var xResources = xObject.dict.get('Resources'); + // Checking objId to detect an infinite loop. + if (isDict(xResources) && (!xResources.objId || !processed[xResources.objId])) { + nodes.push(xResources); + if (xResources.objId) { + processed[xResources.objId] = true; + } + } + } + } + return false; + }, + buildFormXObject: function PartialEvaluator_buildFormXObject(resources, xobj, smask, operatorList, task, initialState) { + var matrix = xobj.dict.getArray('Matrix'); + var bbox = xobj.dict.getArray('BBox'); + var group = xobj.dict.get('Group'); + if (group) { + var groupOptions = { + matrix: matrix, + bbox: bbox, + smask: smask, + isolated: false, + knockout: false + }; + var groupSubtype = group.get('S'); + var colorSpace; + if (isName(groupSubtype, 'Transparency')) { + groupOptions.isolated = group.get('I') || false; + groupOptions.knockout = group.get('K') || false; + colorSpace = group.has('CS') ? ColorSpace.parse(group.get('CS'), this.xref, resources) : null; + } + if (smask && smask.backdrop) { + colorSpace = colorSpace || ColorSpace.singletons.rgb; + smask.backdrop = colorSpace.getRgb(smask.backdrop, 0); + } + operatorList.addOp(OPS.beginGroup, [groupOptions]); + } + operatorList.addOp(OPS.paintFormXObjectBegin, [ + matrix, + bbox + ]); + return this.getOperatorList(xobj, task, xobj.dict.get('Resources') || resources, operatorList, initialState).then(function () { + operatorList.addOp(OPS.paintFormXObjectEnd, []); + if (group) { + operatorList.addOp(OPS.endGroup, [groupOptions]); + } + }); + }, + buildPaintImageXObject: function PartialEvaluator_buildPaintImageXObject(resources, image, inline, operatorList, cacheKey, imageCache) { + var self = this; + var dict = image.dict; + var w = dict.get('Width', 'W'); + var h = dict.get('Height', 'H'); + if (!(w && isNum(w)) || !(h && isNum(h))) { + warn('Image dimensions are missing, or not numbers.'); + return; + } + var maxImageSize = this.options.maxImageSize; + if (maxImageSize !== -1 && w * h > maxImageSize) { + warn('Image exceeded maximum allowed size and was removed.'); + return; + } + var imageMask = dict.get('ImageMask', 'IM') || false; + var imgData, args; + if (imageMask) { + // This depends on a tmpCanvas being filled with the + // current fillStyle, such that processing the pixel + // data can't be done here. Instead of creating a + // complete PDFImage, only read the information needed + // for later. + var width = dict.get('Width', 'W'); + var height = dict.get('Height', 'H'); + var bitStrideLength = width + 7 >> 3; + var imgArray = image.getBytes(bitStrideLength * height); + var decode = dict.getArray('Decode', 'D'); + var inverseDecode = !!decode && decode[0] > 0; + imgData = PDFImage.createMask(imgArray, width, height, image instanceof DecodeStream, inverseDecode); + imgData.cached = true; + args = [imgData]; + operatorList.addOp(OPS.paintImageMaskXObject, args); + if (cacheKey) { + imageCache[cacheKey] = { + fn: OPS.paintImageMaskXObject, + args: args + }; + } + return; + } + var softMask = dict.get('SMask', 'SM') || false; + var mask = dict.get('Mask') || false; + var SMALL_IMAGE_DIMENSIONS = 200; + // Inlining small images into the queue as RGB data + if (inline && !softMask && !mask && !(image instanceof JpegStream) && w + h < SMALL_IMAGE_DIMENSIONS) { + var imageObj = new PDFImage(this.xref, resources, image, inline, null, null); + // We force the use of RGBA_32BPP images here, because we can't handle + // any other kind. + imgData = imageObj.createImageData(/* forceRGBA = */ + true); + operatorList.addOp(OPS.paintInlineImageXObject, [imgData]); + return; + } + // If there is no imageMask, create the PDFImage and a lot + // of image processing can be done here. + var uniquePrefix = this.uniquePrefix || ''; + var objId = 'img_' + uniquePrefix + ++this.idCounters.obj; + operatorList.addDependency(objId); + args = [ + objId, + w, + h + ]; + if (!softMask && !mask && image instanceof JpegStream && NativeImageDecoder.isSupported(image, this.xref, resources)) { + // These JPEGs don't need any more processing so we can just send it. + operatorList.addOp(OPS.paintJpegXObject, args); + this.handler.send('obj', [ + objId, + this.pageIndex, + 'JpegStream', + image.getIR(this.options.forceDataSchema) + ]); + return; + } + // Creates native image decoder only if a JPEG image or mask is present. + var nativeImageDecoder = null; + if (image instanceof JpegStream || mask instanceof JpegStream || softMask instanceof JpegStream) { + nativeImageDecoder = new NativeImageDecoder(self.xref, resources, self.handler, self.options.forceDataSchema); + } + PDFImage.buildImage(self.handler, self.xref, resources, image, inline, nativeImageDecoder).then(function (imageObj) { + var imgData = imageObj.createImageData(/* forceRGBA = */ + false); + self.handler.send('obj', [ + objId, + self.pageIndex, + 'Image', + imgData + ], [imgData.data.buffer]); + }).then(undefined, function (reason) { + warn('Unable to decode image: ' + reason); + self.handler.send('obj', [ + objId, + self.pageIndex, + 'Image', + null + ]); + }); + operatorList.addOp(OPS.paintImageXObject, args); + if (cacheKey) { + imageCache[cacheKey] = { + fn: OPS.paintImageXObject, + args: args + }; + } + }, + handleSMask: function PartialEvaluator_handleSmask(smask, resources, operatorList, task, stateManager) { + var smaskContent = smask.get('G'); + var smaskOptions = { + subtype: smask.get('S').name, + backdrop: smask.get('BC') + }; + // The SMask might have a alpha/luminosity value transfer function -- + // we will build a map of integer values in range 0..255 to be fast. + var transferObj = smask.get('TR'); + if (isPDFFunction(transferObj)) { + var transferFn = PDFFunction.parse(this.xref, transferObj); + var transferMap = new Uint8Array(256); + var tmp = new Float32Array(1); + for (var i = 0; i < 256; i++) { + tmp[0] = i / 255; + transferFn(tmp, 0, tmp, 0); + transferMap[i] = tmp[0] * 255 | 0; + } + smaskOptions.transferMap = transferMap; + } + return this.buildFormXObject(resources, smaskContent, smaskOptions, operatorList, task, stateManager.state.clone()); + }, + handleTilingType: function PartialEvaluator_handleTilingType(fn, args, resources, pattern, patternDict, operatorList, task) { + // Create an IR of the pattern code. + var tilingOpList = new OperatorList(); + // Merge the available resources, to prevent issues when the patternDict + // is missing some /Resources entries (fixes issue6541.pdf). + var resourcesArray = [ + patternDict.get('Resources'), + resources + ]; + var patternResources = Dict.merge(this.xref, resourcesArray); + return this.getOperatorList(pattern, task, patternResources, tilingOpList).then(function () { + // Add the dependencies to the parent operator list so they are + // resolved before sub operator list is executed synchronously. + operatorList.addDependencies(tilingOpList.dependencies); + operatorList.addOp(fn, getTilingPatternIR({ + fnArray: tilingOpList.fnArray, + argsArray: tilingOpList.argsArray + }, patternDict, args)); + }); + }, + handleSetFont: function PartialEvaluator_handleSetFont(resources, fontArgs, fontRef, operatorList, task, state) { + // TODO(mack): Not needed? + var fontName; + if (fontArgs) { + fontArgs = fontArgs.slice(); + fontName = fontArgs[0].name; + } + var self = this; + return this.loadFont(fontName, fontRef, this.xref, resources).then(function (translated) { + if (!translated.font.isType3Font) { + return translated; + } + return translated.loadType3Data(self, resources, operatorList, task).then(function () { + return translated; + }, function (reason) { + // Error in the font data -- sending unsupported feature notification. + self.handler.send('UnsupportedFeature', { featureId: UNSUPPORTED_FEATURES.font }); + return new TranslatedFont('g_font_error', new ErrorFont('Type3 font load error: ' + reason), translated.font); + }); + }).then(function (translated) { + state.font = translated.font; + translated.send(self.handler); + return translated.loadedName; + }); + }, + handleText: function PartialEvaluator_handleText(chars, state) { + var font = state.font; + var glyphs = font.charsToGlyphs(chars); + var isAddToPathSet = !!(state.textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG); + if (font.data && (isAddToPathSet || this.options.disableFontFace)) { + var buildPath = function (fontChar) { + if (!font.renderer.hasBuiltPath(fontChar)) { + var path = font.renderer.getPathJs(fontChar); + this.handler.send('commonobj', [ + font.loadedName + '_path_' + fontChar, + 'FontPath', + path + ]); + } + }.bind(this); + for (var i = 0, ii = glyphs.length; i < ii; i++) { + var glyph = glyphs[i]; + buildPath(glyph.fontChar); + // If the glyph has an accent we need to build a path for its + // fontChar too, otherwise CanvasGraphics_paintChar will fail. + var accent = glyph.accent; + if (accent && accent.fontChar) { + buildPath(accent.fontChar); + } + } + } + return glyphs; + }, + setGState: function PartialEvaluator_setGState(resources, gState, operatorList, task, xref, stateManager) { + // This array holds the converted/processed state data. + var gStateObj = []; + var gStateKeys = gState.getKeys(); + var self = this; + var promise = Promise.resolve(); + for (var i = 0, ii = gStateKeys.length; i < ii; i++) { + var key = gStateKeys[i]; + var value = gState.get(key); + switch (key) { + case 'Type': + break; + case 'LW': + case 'LC': + case 'LJ': + case 'ML': + case 'D': + case 'RI': + case 'FL': + case 'CA': + case 'ca': + gStateObj.push([ + key, + value + ]); + break; + case 'Font': + promise = promise.then(function () { + return self.handleSetFont(resources, null, value[0], operatorList, task, stateManager.state).then(function (loadedName) { + operatorList.addDependency(loadedName); + gStateObj.push([ + key, + [ + loadedName, + value[1] + ] + ]); + }); + }); + break; + case 'BM': + gStateObj.push([ + key, + value + ]); + break; + case 'SMask': + if (isName(value, 'None')) { + gStateObj.push([ + key, + false + ]); + break; + } + if (isDict(value)) { + promise = promise.then(function (dict) { + return self.handleSMask(dict, resources, operatorList, task, stateManager); + }.bind(this, value)); + gStateObj.push([ + key, + true + ]); + } else { + warn('Unsupported SMask type'); + } + break; + // Only generate info log messages for the following since + // they are unlikely to have a big impact on the rendering. + case 'OP': + case 'op': + case 'OPM': + case 'BG': + case 'BG2': + case 'UCR': + case 'UCR2': + case 'TR': + case 'TR2': + case 'HT': + case 'SM': + case 'SA': + case 'AIS': + case 'TK': + // TODO implement these operators. + info('graphic state operator ' + key); + break; + default: + info('Unknown graphic state operator ' + key); + break; + } + } + return promise.then(function () { + if (gStateObj.length > 0) { + operatorList.addOp(OPS.setGState, [gStateObj]); + } + }); + }, + loadFont: function PartialEvaluator_loadFont(fontName, font, xref, resources) { + function errorFont() { + return Promise.resolve(new TranslatedFont('g_font_error', new ErrorFont('Font ' + fontName + ' is not available'), font)); + } + var fontRef; + if (font) { + // Loading by ref. + assert(isRef(font)); + fontRef = font; + } else { + // Loading by name. + var fontRes = resources.get('Font'); + if (fontRes) { + fontRef = fontRes.getRaw(fontName); + } else { + warn('fontRes not available'); + return errorFont(); + } + } + if (!fontRef) { + warn('fontRef not available'); + return errorFont(); + } + if (this.fontCache.has(fontRef)) { + return this.fontCache.get(fontRef); + } + font = xref.fetchIfRef(fontRef); + if (!isDict(font)) { + return errorFont(); + } + // We are holding `font.translated` references just for `fontRef`s that + // are not actually `Ref`s, but rather `Dict`s. See explanation below. + if (font.translated) { + return font.translated; + } + var fontCapability = createPromiseCapability(); + var preEvaluatedFont = this.preEvaluateFont(font, xref); + var descriptor = preEvaluatedFont.descriptor; + var fontRefIsRef = isRef(fontRef), fontID; + if (fontRefIsRef) { + fontID = fontRef.toString(); + } + if (isDict(descriptor)) { + if (!descriptor.fontAliases) { + descriptor.fontAliases = Object.create(null); + } + var fontAliases = descriptor.fontAliases; + var hash = preEvaluatedFont.hash; + if (fontAliases[hash]) { + var aliasFontRef = fontAliases[hash].aliasRef; + if (fontRefIsRef && aliasFontRef && this.fontCache.has(aliasFontRef)) { + this.fontCache.putAlias(fontRef, aliasFontRef); + return this.fontCache.get(fontRef); + } + } else { + fontAliases[hash] = { fontID: Font.getFontID() }; + } + if (fontRefIsRef) { + fontAliases[hash].aliasRef = fontRef; + } + fontID = fontAliases[hash].fontID; + } + // Workaround for bad PDF generators that reference fonts incorrectly, + // where `fontRef` is a `Dict` rather than a `Ref` (fixes bug946506.pdf). + // In this case we should not put the font into `this.fontCache` (which is + // a `RefSetCache`), since it's not meaningful to use a `Dict` as a key. + // + // However, if we don't cache the font it's not possible to remove it + // when `cleanup` is triggered from the API, which causes issues on + // subsequent rendering operations (see issue7403.pdf). + // A simple workaround would be to just not hold `font.translated` + // references in this case, but this would force us to unnecessarily load + // the same fonts over and over. + // + // Instead, we cheat a bit by attempting to use a modified `fontID` as a + // key in `this.fontCache`, to allow the font to be cached. + // NOTE: This works because `RefSetCache` calls `toString()` on provided + // keys. Also, since `fontRef` is used when getting cached fonts, + // we'll not accidentally match fonts cached with the `fontID`. + if (fontRefIsRef) { + this.fontCache.put(fontRef, fontCapability.promise); + } else { + if (!fontID) { + fontID = (this.uniquePrefix || 'F_') + ++this.idCounters.obj; + } + this.fontCache.put('id_' + fontID, fontCapability.promise); + } + assert(fontID, 'The "fontID" must be defined.'); + // Keep track of each font we translated so the caller can + // load them asynchronously before calling display on a page. + font.loadedName = 'g_' + this.pdfManager.docId + '_f' + fontID; + font.translated = fontCapability.promise; + // TODO move promises into translate font + var translatedPromise; + try { + translatedPromise = this.translateFont(preEvaluatedFont, xref); + } catch (e) { + translatedPromise = Promise.reject(e); + } + var self = this; + translatedPromise.then(function (translatedFont) { + if (translatedFont.fontType !== undefined) { + var xrefFontStats = xref.stats.fontTypes; + xrefFontStats[translatedFont.fontType] = true; + } + fontCapability.resolve(new TranslatedFont(font.loadedName, translatedFont, font)); + }, function (reason) { + // TODO fontCapability.reject? + // Error in the font data -- sending unsupported feature notification. + self.handler.send('UnsupportedFeature', { featureId: UNSUPPORTED_FEATURES.font }); + try { + // error, but it's still nice to have font type reported + var descriptor = preEvaluatedFont.descriptor; + var fontFile3 = descriptor && descriptor.get('FontFile3'); + var subtype = fontFile3 && fontFile3.get('Subtype'); + var fontType = getFontType(preEvaluatedFont.type, subtype && subtype.name); + var xrefFontStats = xref.stats.fontTypes; + xrefFontStats[fontType] = true; + } catch (ex) { + } + fontCapability.resolve(new TranslatedFont(font.loadedName, new ErrorFont(reason instanceof Error ? reason.message : reason), font)); + }); + return fontCapability.promise; + }, + buildPath: function PartialEvaluator_buildPath(operatorList, fn, args) { + var lastIndex = operatorList.length - 1; + if (!args) { + args = []; + } + if (lastIndex < 0 || operatorList.fnArray[lastIndex] !== OPS.constructPath) { + operatorList.addOp(OPS.constructPath, [ + [fn], + args + ]); + } else { + var opArgs = operatorList.argsArray[lastIndex]; + opArgs[0].push(fn); + Array.prototype.push.apply(opArgs[1], args); + } + }, + handleColorN: function PartialEvaluator_handleColorN(operatorList, fn, args, cs, patterns, resources, task, xref) { + // compile tiling patterns + var patternName = args[args.length - 1]; + // SCN/scn applies patterns along with normal colors + var pattern; + if (isName(patternName) && (pattern = patterns.get(patternName.name))) { + var dict = isStream(pattern) ? pattern.dict : pattern; + var typeNum = dict.get('PatternType'); + if (typeNum === TILING_PATTERN) { + var color = cs.base ? cs.base.getRgb(args, 0) : null; + return this.handleTilingType(fn, color, resources, pattern, dict, operatorList, task); + } else if (typeNum === SHADING_PATTERN) { + var shading = dict.get('Shading'); + var matrix = dict.getArray('Matrix'); + pattern = Pattern.parseShading(shading, matrix, xref, resources, this.handler); + operatorList.addOp(fn, pattern.getIR()); + return Promise.resolve(); + } else { + return Promise.reject('Unknown PatternType: ' + typeNum); + } + } + // TODO shall we fail here? + operatorList.addOp(fn, args); + return Promise.resolve(); + }, + getOperatorList: function PartialEvaluator_getOperatorList(stream, task, resources, operatorList, initialState) { + var self = this; + var xref = this.xref; + var imageCache = Object.create(null); + assert(operatorList); + resources = resources || Dict.empty; + var xobjs = resources.get('XObject') || Dict.empty; + var patterns = resources.get('Pattern') || Dict.empty; + var stateManager = new StateManager(initialState || new EvalState()); + var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); + var timeSlotManager = new TimeSlotManager(); + return new Promise(function promiseBody(resolve, reject) { + var next = function (promise) { + promise.then(function () { + try { + promiseBody(resolve, reject); + } catch (ex) { + reject(ex); + } + }, reject); + }; + task.ensureNotTerminated(); + timeSlotManager.reset(); + var stop, operation = {}, i, ii, cs; + while (!(stop = timeSlotManager.check())) { + // The arguments parsed by read() are used beyond this loop, so we + // cannot reuse the same array on each iteration. Therefore we pass + // in |null| as the initial value (see the comment on + // EvaluatorPreprocessor_read() for why). + operation.args = null; + if (!preprocessor.read(operation)) { + break; + } + var args = operation.args; + var fn = operation.fn; + switch (fn | 0) { + case OPS.paintXObject: + if (args[0].code) { + break; + } + // eagerly compile XForm objects + var name = args[0].name; + if (!name) { + warn('XObject must be referred to by name.'); + continue; + } + if (imageCache[name] !== undefined) { + operatorList.addOp(imageCache[name].fn, imageCache[name].args); + args = null; + continue; + } + var xobj = xobjs.get(name); + if (xobj) { + assert(isStream(xobj), 'XObject should be a stream'); + var type = xobj.dict.get('Subtype'); + assert(isName(type), 'XObject should have a Name subtype'); + if (type.name === 'Form') { + stateManager.save(); + next(self.buildFormXObject(resources, xobj, null, operatorList, task, stateManager.state.clone()).then(function () { + stateManager.restore(); + })); + return; + } else if (type.name === 'Image') { + self.buildPaintImageXObject(resources, xobj, false, operatorList, name, imageCache); + args = null; + continue; + } else if (type.name === 'PS') { + // PostScript XObjects are unused when viewing documents. + // See section 4.7.1 of Adobe's PDF reference. + info('Ignored XObject subtype PS'); + continue; + } else { + error('Unhandled XObject subtype ' + type.name); + } + } + break; + case OPS.setFont: + var fontSize = args[1]; + // eagerly collect all fonts + next(self.handleSetFont(resources, args, null, operatorList, task, stateManager.state).then(function (loadedName) { + operatorList.addDependency(loadedName); + operatorList.addOp(OPS.setFont, [ + loadedName, + fontSize + ]); + })); + return; + case OPS.endInlineImage: + var cacheKey = args[0].cacheKey; + if (cacheKey) { + var cacheEntry = imageCache[cacheKey]; + if (cacheEntry !== undefined) { + operatorList.addOp(cacheEntry.fn, cacheEntry.args); + args = null; + continue; + } + } + self.buildPaintImageXObject(resources, args[0], true, operatorList, cacheKey, imageCache); + args = null; + continue; + case OPS.showText: + args[0] = self.handleText(args[0], stateManager.state); + break; + case OPS.showSpacedText: + var arr = args[0]; + var combinedGlyphs = []; + var arrLength = arr.length; + var state = stateManager.state; + for (i = 0; i < arrLength; ++i) { + var arrItem = arr[i]; + if (isString(arrItem)) { + Array.prototype.push.apply(combinedGlyphs, self.handleText(arrItem, state)); + } else if (isNum(arrItem)) { + combinedGlyphs.push(arrItem); + } + } + args[0] = combinedGlyphs; + fn = OPS.showText; + break; + case OPS.nextLineShowText: + operatorList.addOp(OPS.nextLine); + args[0] = self.handleText(args[0], stateManager.state); + fn = OPS.showText; + break; + case OPS.nextLineSetSpacingShowText: + operatorList.addOp(OPS.nextLine); + operatorList.addOp(OPS.setWordSpacing, [args.shift()]); + operatorList.addOp(OPS.setCharSpacing, [args.shift()]); + args[0] = self.handleText(args[0], stateManager.state); + fn = OPS.showText; + break; + case OPS.setTextRenderingMode: + stateManager.state.textRenderingMode = args[0]; + break; + case OPS.setFillColorSpace: + stateManager.state.fillColorSpace = ColorSpace.parse(args[0], xref, resources); + continue; + case OPS.setStrokeColorSpace: + stateManager.state.strokeColorSpace = ColorSpace.parse(args[0], xref, resources); + continue; + case OPS.setFillColor: + cs = stateManager.state.fillColorSpace; + args = cs.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeColor: + cs = stateManager.state.strokeColorSpace; + args = cs.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillGray: + stateManager.state.fillColorSpace = ColorSpace.singletons.gray; + args = ColorSpace.singletons.gray.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeGray: + stateManager.state.strokeColorSpace = ColorSpace.singletons.gray; + args = ColorSpace.singletons.gray.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillCMYKColor: + stateManager.state.fillColorSpace = ColorSpace.singletons.cmyk; + args = ColorSpace.singletons.cmyk.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeCMYKColor: + stateManager.state.strokeColorSpace = ColorSpace.singletons.cmyk; + args = ColorSpace.singletons.cmyk.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillRGBColor: + stateManager.state.fillColorSpace = ColorSpace.singletons.rgb; + args = ColorSpace.singletons.rgb.getRgb(args, 0); + break; + case OPS.setStrokeRGBColor: + stateManager.state.strokeColorSpace = ColorSpace.singletons.rgb; + args = ColorSpace.singletons.rgb.getRgb(args, 0); + break; + case OPS.setFillColorN: + cs = stateManager.state.fillColorSpace; + if (cs.name === 'Pattern') { + next(self.handleColorN(operatorList, OPS.setFillColorN, args, cs, patterns, resources, task, xref)); + return; + } + args = cs.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeColorN: + cs = stateManager.state.strokeColorSpace; + if (cs.name === 'Pattern') { + next(self.handleColorN(operatorList, OPS.setStrokeColorN, args, cs, patterns, resources, task, xref)); + return; + } + args = cs.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.shadingFill: + var shadingRes = resources.get('Shading'); + if (!shadingRes) { + error('No shading resource found'); + } + var shading = shadingRes.get(args[0].name); + if (!shading) { + error('No shading object found'); + } + var shadingFill = Pattern.parseShading(shading, null, xref, resources, self.handler); + var patternIR = shadingFill.getIR(); + args = [patternIR]; + fn = OPS.shadingFill; + break; + case OPS.setGState: + var dictName = args[0]; + var extGState = resources.get('ExtGState'); + if (!isDict(extGState) || !extGState.has(dictName.name)) { + break; + } + var gState = extGState.get(dictName.name); + next(self.setGState(resources, gState, operatorList, task, xref, stateManager)); + return; + case OPS.moveTo: + case OPS.lineTo: + case OPS.curveTo: + case OPS.curveTo2: + case OPS.curveTo3: + case OPS.closePath: + self.buildPath(operatorList, fn, args); + continue; + case OPS.rectangle: + self.buildPath(operatorList, fn, args); + continue; + case OPS.markPoint: + case OPS.markPointProps: + case OPS.beginMarkedContent: + case OPS.beginMarkedContentProps: + case OPS.endMarkedContent: + case OPS.beginCompat: + case OPS.endCompat: + // Ignore operators where the corresponding handlers are known to + // be no-op in CanvasGraphics (display/canvas.js). This prevents + // serialization errors and is also a bit more efficient. + // We could also try to serialize all objects in a general way, + // e.g. as done in https://github.com/mozilla/pdf.js/pull/6266, + // but doing so is meaningless without knowing the semantics. + continue; + default: + // Note: Ignore the operator if it has `Dict` arguments, since + // those are non-serializable, otherwise postMessage will throw + // "An object could not be cloned.". + if (args !== null) { + for (i = 0, ii = args.length; i < ii; i++) { + if (args[i] instanceof Dict) { + break; + } + } + if (i < ii) { + warn('getOperatorList - ignoring operator: ' + fn); + continue; + } + } + } + operatorList.addOp(fn, args); + } + if (stop) { + next(deferred); + return; + } + // Some PDFs don't close all restores inside object/form. + // Closing those for them. + for (i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) { + operatorList.addOp(OPS.restore, []); + } + resolve(); + }); + }, + getTextContent: function PartialEvaluator_getTextContent(stream, task, resources, stateManager, normalizeWhitespace, combineTextItems) { + stateManager = stateManager || new StateManager(new TextState()); + var WhitespaceRegexp = /\s/g; + var textContent = { + items: [], + styles: Object.create(null) + }; + var textContentItem = { + initialized: false, + str: [], + width: 0, + height: 0, + vertical: false, + lastAdvanceWidth: 0, + lastAdvanceHeight: 0, + textAdvanceScale: 0, + spaceWidth: 0, + fakeSpaceMin: Infinity, + fakeMultiSpaceMin: Infinity, + fakeMultiSpaceMax: -0, + textRunBreakAllowed: false, + transform: null, + fontName: null + }; + var SPACE_FACTOR = 0.3; + var MULTI_SPACE_FACTOR = 1.5; + var MULTI_SPACE_FACTOR_MAX = 4; + var self = this; + var xref = this.xref; + resources = xref.fetchIfRef(resources) || Dict.empty; + // The xobj is parsed iff it's needed, e.g. if there is a `DO` cmd. + var xobjs = null; + var xobjsCache = Object.create(null); + var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); + var textState; + function ensureTextContentItem() { + if (textContentItem.initialized) { + return textContentItem; + } + var font = textState.font; + if (!(font.loadedName in textContent.styles)) { + textContent.styles[font.loadedName] = { + fontFamily: font.fallbackName, + ascent: font.ascent, + descent: font.descent, + vertical: font.vertical + }; + } + textContentItem.fontName = font.loadedName; + // 9.4.4 Text Space Details + var tsm = [ + textState.fontSize * textState.textHScale, + 0, + 0, + textState.fontSize, + 0, + textState.textRise + ]; + if (font.isType3Font && textState.fontMatrix !== FONT_IDENTITY_MATRIX && textState.fontSize === 1) { + var glyphHeight = font.bbox[3] - font.bbox[1]; + if (glyphHeight > 0) { + glyphHeight = glyphHeight * textState.fontMatrix[3]; + tsm[3] *= glyphHeight; + } + } + var trm = Util.transform(textState.ctm, Util.transform(textState.textMatrix, tsm)); + textContentItem.transform = trm; + if (!font.vertical) { + textContentItem.width = 0; + textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]); + textContentItem.vertical = false; + } else { + textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]); + textContentItem.height = 0; + textContentItem.vertical = true; + } + var a = textState.textLineMatrix[0]; + var b = textState.textLineMatrix[1]; + var scaleLineX = Math.sqrt(a * a + b * b); + a = textState.ctm[0]; + b = textState.ctm[1]; + var scaleCtmX = Math.sqrt(a * a + b * b); + textContentItem.textAdvanceScale = scaleCtmX * scaleLineX; + textContentItem.lastAdvanceWidth = 0; + textContentItem.lastAdvanceHeight = 0; + var spaceWidth = font.spaceWidth / 1000 * textState.fontSize; + if (spaceWidth) { + textContentItem.spaceWidth = spaceWidth; + textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR; + textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR; + textContentItem.fakeMultiSpaceMax = spaceWidth * MULTI_SPACE_FACTOR_MAX; + // It's okay for monospace fonts to fake as much space as needed. + textContentItem.textRunBreakAllowed = !font.isMonospace; + } else { + textContentItem.spaceWidth = 0; + textContentItem.fakeSpaceMin = Infinity; + textContentItem.fakeMultiSpaceMin = Infinity; + textContentItem.fakeMultiSpaceMax = 0; + textContentItem.textRunBreakAllowed = false; + } + textContentItem.initialized = true; + return textContentItem; + } + function replaceWhitespace(str) { + // Replaces all whitespaces with standard spaces (0x20), to avoid + // alignment issues between the textLayer and the canvas if the text + // contains e.g. tabs (fixes issue6612.pdf). + var i = 0, ii = str.length, code; + while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7F) { + i++; + } + return i < ii ? str.replace(WhitespaceRegexp, ' ') : str; + } + function runBidiTransform(textChunk) { + var str = textChunk.str.join(''); + var bidiResult = bidi(str, -1, textChunk.vertical); + return { + str: normalizeWhitespace ? replaceWhitespace(bidiResult.str) : bidiResult.str, + dir: bidiResult.dir, + width: textChunk.width, + height: textChunk.height, + transform: textChunk.transform, + fontName: textChunk.fontName + }; + } + function handleSetFont(fontName, fontRef) { + return self.loadFont(fontName, fontRef, xref, resources).then(function (translated) { + textState.font = translated.font; + textState.fontMatrix = translated.font.fontMatrix || FONT_IDENTITY_MATRIX; + }); + } + function buildTextContentItem(chars) { + var font = textState.font; + var textChunk = ensureTextContentItem(); + var width = 0; + var height = 0; + var glyphs = font.charsToGlyphs(chars); + var defaultVMetrics = font.defaultVMetrics; + for (var i = 0; i < glyphs.length; i++) { + var glyph = glyphs[i]; + var vMetricX = null; + var vMetricY = null; + var glyphWidth = null; + if (font.vertical) { + if (glyph.vmetric) { + glyphWidth = glyph.vmetric[0]; + vMetricX = glyph.vmetric[1]; + vMetricY = glyph.vmetric[2]; + } else { + glyphWidth = glyph.width; + vMetricX = glyph.width * 0.5; + vMetricY = defaultVMetrics[2]; + } + } else { + glyphWidth = glyph.width; + } + var glyphUnicode = glyph.unicode; + var NormalizedUnicodes = getNormalizedUnicodes(); + if (NormalizedUnicodes[glyphUnicode] !== undefined) { + glyphUnicode = NormalizedUnicodes[glyphUnicode]; + } + glyphUnicode = reverseIfRtl(glyphUnicode); + // The following will calculate the x and y of the individual glyphs. + // if (font.vertical) { + // tsm[4] -= vMetricX * Math.abs(textState.fontSize) * + // textState.fontMatrix[0]; + // tsm[5] -= vMetricY * textState.fontSize * + // textState.fontMatrix[0]; + // } + // var trm = Util.transform(textState.textMatrix, tsm); + // var pt = Util.applyTransform([trm[4], trm[5]], textState.ctm); + // var x = pt[0]; + // var y = pt[1]; + var charSpacing = textState.charSpacing; + if (glyph.isSpace) { + var wordSpacing = textState.wordSpacing; + charSpacing += wordSpacing; + if (wordSpacing > 0) { + addFakeSpaces(wordSpacing, textChunk.str); + } + } + var tx = 0; + var ty = 0; + if (!font.vertical) { + var w0 = glyphWidth * textState.fontMatrix[0]; + tx = (w0 * textState.fontSize + charSpacing) * textState.textHScale; + width += tx; + } else { + var w1 = glyphWidth * textState.fontMatrix[0]; + ty = w1 * textState.fontSize + charSpacing; + height += ty; + } + textState.translateTextMatrix(tx, ty); + textChunk.str.push(glyphUnicode); + } + if (!font.vertical) { + textChunk.lastAdvanceWidth = width; + textChunk.width += width * textChunk.textAdvanceScale; + } else { + textChunk.lastAdvanceHeight = height; + textChunk.height += Math.abs(height * textChunk.textAdvanceScale); + } + return textChunk; + } + function addFakeSpaces(width, strBuf) { + if (width < textContentItem.fakeSpaceMin) { + return; + } + if (width < textContentItem.fakeMultiSpaceMin) { + strBuf.push(' '); + return; + } + var fakeSpaces = Math.round(width / textContentItem.spaceWidth); + while (fakeSpaces-- > 0) { + strBuf.push(' '); + } + } + function flushTextContentItem() { + if (!textContentItem.initialized) { + return; + } + textContent.items.push(runBidiTransform(textContentItem)); + textContentItem.initialized = false; + textContentItem.str.length = 0; + } + var timeSlotManager = new TimeSlotManager(); + return new Promise(function promiseBody(resolve, reject) { + var next = function (promise) { + promise.then(function () { + try { + promiseBody(resolve, reject); + } catch (ex) { + reject(ex); + } + }, reject); + }; + task.ensureNotTerminated(); + timeSlotManager.reset(); + var stop, operation = {}, args = []; + while (!(stop = timeSlotManager.check())) { + // The arguments parsed by read() are not used beyond this loop, so + // we can reuse the same array on every iteration, thus avoiding + // unnecessary allocations. + args.length = 0; + operation.args = args; + if (!preprocessor.read(operation)) { + break; + } + textState = stateManager.state; + var fn = operation.fn; + args = operation.args; + var advance, diff; + switch (fn | 0) { + case OPS.setFont: + // Optimization to ignore multiple identical Tf commands. + var fontNameArg = args[0].name, fontSizeArg = args[1]; + if (textState.font && fontNameArg === textState.fontName && fontSizeArg === textState.fontSize) { + break; + } + flushTextContentItem(); + textState.fontName = fontNameArg; + textState.fontSize = fontSizeArg; + next(handleSetFont(fontNameArg, null)); + return; + case OPS.setTextRise: + flushTextContentItem(); + textState.textRise = args[0]; + break; + case OPS.setHScale: + flushTextContentItem(); + textState.textHScale = args[0] / 100; + break; + case OPS.setLeading: + flushTextContentItem(); + textState.leading = args[0]; + break; + case OPS.moveText: + // Optimization to treat same line movement as advance + var isSameTextLine = !textState.font ? false : (textState.font.vertical ? args[0] : args[1]) === 0; + advance = args[0] - args[1]; + if (combineTextItems && isSameTextLine && textContentItem.initialized && advance > 0 && advance <= textContentItem.fakeMultiSpaceMax) { + textState.translateTextLineMatrix(args[0], args[1]); + textContentItem.width += args[0] - textContentItem.lastAdvanceWidth; + textContentItem.height += args[1] - textContentItem.lastAdvanceHeight; + diff = args[0] - textContentItem.lastAdvanceWidth - (args[1] - textContentItem.lastAdvanceHeight); + addFakeSpaces(diff, textContentItem.str); + break; + } + flushTextContentItem(); + textState.translateTextLineMatrix(args[0], args[1]); + textState.textMatrix = textState.textLineMatrix.slice(); + break; + case OPS.setLeadingMoveText: + flushTextContentItem(); + textState.leading = -args[1]; + textState.translateTextLineMatrix(args[0], args[1]); + textState.textMatrix = textState.textLineMatrix.slice(); + break; + case OPS.nextLine: + flushTextContentItem(); + textState.carriageReturn(); + break; + case OPS.setTextMatrix: + // Optimization to treat same line movement as advance. + advance = textState.calcTextLineMatrixAdvance(args[0], args[1], args[2], args[3], args[4], args[5]); + if (combineTextItems && advance !== null && textContentItem.initialized && advance.value > 0 && advance.value <= textContentItem.fakeMultiSpaceMax) { + textState.translateTextLineMatrix(advance.width, advance.height); + textContentItem.width += advance.width - textContentItem.lastAdvanceWidth; + textContentItem.height += advance.height - textContentItem.lastAdvanceHeight; + diff = advance.width - textContentItem.lastAdvanceWidth - (advance.height - textContentItem.lastAdvanceHeight); + addFakeSpaces(diff, textContentItem.str); + break; + } + flushTextContentItem(); + textState.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); + textState.setTextLineMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); + break; + case OPS.setCharSpacing: + textState.charSpacing = args[0]; + break; + case OPS.setWordSpacing: + textState.wordSpacing = args[0]; + break; + case OPS.beginText: + flushTextContentItem(); + textState.textMatrix = IDENTITY_MATRIX.slice(); + textState.textLineMatrix = IDENTITY_MATRIX.slice(); + break; + case OPS.showSpacedText: + var items = args[0]; + var offset; + for (var j = 0, jj = items.length; j < jj; j++) { + if (typeof items[j] === 'string') { + buildTextContentItem(items[j]); + } else if (isNum(items[j])) { + ensureTextContentItem(); + // PDF Specification 5.3.2 states: + // The number is expressed in thousandths of a unit of text + // space. + // This amount is subtracted from the current horizontal or + // vertical coordinate, depending on the writing mode. + // In the default coordinate system, a positive adjustment + // has the effect of moving the next glyph painted either to + // the left or down by the given amount. + advance = items[j] * textState.fontSize / 1000; + var breakTextRun = false; + if (textState.font.vertical) { + offset = advance * (textState.textHScale * textState.textMatrix[2] + textState.textMatrix[3]); + textState.translateTextMatrix(0, advance); + breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax; + if (!breakTextRun) { + // Value needs to be added to height to paint down. + textContentItem.height += offset; + } + } else { + advance = -advance; + offset = advance * (textState.textHScale * textState.textMatrix[0] + textState.textMatrix[1]); + textState.translateTextMatrix(advance, 0); + breakTextRun = textContentItem.textRunBreakAllowed && advance > textContentItem.fakeMultiSpaceMax; + if (!breakTextRun) { + // Value needs to be subtracted from width to paint left. + textContentItem.width += offset; + } + } + if (breakTextRun) { + flushTextContentItem(); + } else if (advance > 0) { + addFakeSpaces(advance, textContentItem.str); + } + } + } + break; + case OPS.showText: + buildTextContentItem(args[0]); + break; + case OPS.nextLineShowText: + flushTextContentItem(); + textState.carriageReturn(); + buildTextContentItem(args[0]); + break; + case OPS.nextLineSetSpacingShowText: + flushTextContentItem(); + textState.wordSpacing = args[0]; + textState.charSpacing = args[1]; + textState.carriageReturn(); + buildTextContentItem(args[2]); + break; + case OPS.paintXObject: + flushTextContentItem(); + if (args[0].code) { + break; + } + if (!xobjs) { + xobjs = resources.get('XObject') || Dict.empty; + } + var name = args[0].name; + if (xobjsCache.key === name) { + if (xobjsCache.texts) { + Util.appendToArray(textContent.items, xobjsCache.texts.items); + Util.extendObj(textContent.styles, xobjsCache.texts.styles); + } + break; + } + var xobj = xobjs.get(name); + if (!xobj) { + break; + } + assert(isStream(xobj), 'XObject should be a stream'); + var type = xobj.dict.get('Subtype'); + assert(isName(type), 'XObject should have a Name subtype'); + if ('Form' !== type.name) { + xobjsCache.key = name; + xobjsCache.texts = null; + break; + } + stateManager.save(); + var matrix = xobj.dict.getArray('Matrix'); + if (isArray(matrix) && matrix.length === 6) { + stateManager.transform(matrix); + } + next(self.getTextContent(xobj, task, xobj.dict.get('Resources') || resources, stateManager, normalizeWhitespace, combineTextItems).then(function (formTextContent) { + Util.appendToArray(textContent.items, formTextContent.items); + Util.extendObj(textContent.styles, formTextContent.styles); + stateManager.restore(); + xobjsCache.key = name; + xobjsCache.texts = formTextContent; + })); + return; + case OPS.setGState: + flushTextContentItem(); + var dictName = args[0]; + var extGState = resources.get('ExtGState'); + if (!isDict(extGState) || !isName(dictName)) { + break; + } + var gState = extGState.get(dictName.name); + if (!isDict(gState)) { + break; + } + var gStateFont = gState.get('Font'); + if (gStateFont) { + textState.fontName = null; + textState.fontSize = gStateFont[1]; + next(handleSetFont(null, gStateFont[0])); + return; + } + break; + } + } + // switch + // while + if (stop) { + next(deferred); + return; + } + flushTextContentItem(); + resolve(textContent); + }); + }, + extractDataStructures: function PartialEvaluator_extractDataStructures(dict, baseDict, xref, properties) { + // 9.10.2 + var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode'); + var toUnicodePromise = toUnicode ? this.readToUnicode(toUnicode) : Promise.resolve(undefined); + if (properties.composite) { + // CIDSystemInfo helps to match CID to glyphs + var cidSystemInfo = dict.get('CIDSystemInfo'); + if (isDict(cidSystemInfo)) { + properties.cidSystemInfo = { + registry: cidSystemInfo.get('Registry'), + ordering: cidSystemInfo.get('Ordering'), + supplement: cidSystemInfo.get('Supplement') + }; + } + var cidToGidMap = dict.get('CIDToGIDMap'); + if (isStream(cidToGidMap)) { + properties.cidToGidMap = this.readCidToGidMap(cidToGidMap); + } + } + // Based on 9.6.6 of the spec the encoding can come from multiple places + // and depends on the font type. The base encoding and differences are + // read here, but the encoding that is actually used is chosen during + // glyph mapping in the font. + // TODO: Loading the built in encoding in the font would allow the + // differences to be merged in here not require us to hold on to it. + var differences = []; + var baseEncodingName = null; + var encoding; + if (dict.has('Encoding')) { + encoding = dict.get('Encoding'); + if (isDict(encoding)) { + baseEncodingName = encoding.get('BaseEncoding'); + baseEncodingName = isName(baseEncodingName) ? baseEncodingName.name : null; + // Load the differences between the base and original + if (encoding.has('Differences')) { + var diffEncoding = encoding.get('Differences'); + var index = 0; + for (var j = 0, jj = diffEncoding.length; j < jj; j++) { + var data = xref.fetchIfRef(diffEncoding[j]); + if (isNum(data)) { + index = data; + } else if (isName(data)) { + differences[index++] = data.name; + } else { + error('Invalid entry in \'Differences\' array: ' + data); + } + } + } + } else if (isName(encoding)) { + baseEncodingName = encoding.name; + } else { + error('Encoding is not a Name nor a Dict'); + } + // According to table 114 if the encoding is a named encoding it must be + // one of these predefined encodings. + if (baseEncodingName !== 'MacRomanEncoding' && baseEncodingName !== 'MacExpertEncoding' && baseEncodingName !== 'WinAnsiEncoding') { + baseEncodingName = null; + } + } + if (baseEncodingName) { + properties.defaultEncoding = getEncoding(baseEncodingName).slice(); + } else { + encoding = properties.type === 'TrueType' ? WinAnsiEncoding : StandardEncoding; + // The Symbolic attribute can be misused for regular fonts + // Heuristic: we have to check if the font is a standard one also + if (!!(properties.flags & FontFlags.Symbolic)) { + encoding = MacRomanEncoding; + if (!properties.file) { + if (/Symbol/i.test(properties.name)) { + encoding = SymbolSetEncoding; + } else if (/Dingbats/i.test(properties.name)) { + encoding = ZapfDingbatsEncoding; + } + } + } + properties.defaultEncoding = encoding; + } + properties.differences = differences; + properties.baseEncodingName = baseEncodingName; + properties.hasEncoding = !!baseEncodingName || differences.length > 0; + properties.dict = dict; + return toUnicodePromise.then(function (toUnicode) { + properties.toUnicode = toUnicode; + return this.buildToUnicode(properties); + }.bind(this)).then(function (toUnicode) { + properties.toUnicode = toUnicode; + return properties; + }); + }, + /** + * Builds a char code to unicode map based on section 9.10 of the spec. + * @param {Object} properties Font properties object. + * @return {Promise} A Promise that is resolved with a + * {ToUnicodeMap|IdentityToUnicodeMap} object. + */ + buildToUnicode: function PartialEvaluator_buildToUnicode(properties) { + properties.hasIncludedToUnicodeMap = !!properties.toUnicode && properties.toUnicode.length > 0; + // Section 9.10.2 Mapping Character Codes to Unicode Values + if (properties.hasIncludedToUnicodeMap) { + return Promise.resolve(properties.toUnicode); + } + // According to the spec if the font is a simple font we should only map + // to unicode if the base encoding is MacRoman, MacExpert, or WinAnsi or + // the differences array only contains adobe standard or symbol set names, + // in pratice it seems better to always try to create a toUnicode + // map based of the default encoding. + var toUnicode, charcode, glyphName; + if (!properties.composite) + /* is simple font */ + { + toUnicode = []; + var encoding = properties.defaultEncoding.slice(); + var baseEncodingName = properties.baseEncodingName; + // Merge in the differences array. + var differences = properties.differences; + for (charcode in differences) { + glyphName = differences[charcode]; + if (glyphName === '.notdef') { + // Skip .notdef to prevent rendering errors, e.g. boxes appearing + // where there should be spaces (fixes issue5256.pdf). + continue; + } + encoding[charcode] = glyphName; + } + var glyphsUnicodeMap = getGlyphsUnicode(); + for (charcode in encoding) { + // a) Map the character code to a character name. + glyphName = encoding[charcode]; + // b) Look up the character name in the Adobe Glyph List (see the + // Bibliography) to obtain the corresponding Unicode value. + if (glyphName === '') { + continue; + } else if (glyphsUnicodeMap[glyphName] === undefined) { + // (undocumented) c) Few heuristics to recognize unknown glyphs + // NOTE: Adobe Reader does not do this step, but OSX Preview does + var code = 0; + switch (glyphName[0]) { + case 'G': + // Gxx glyph + if (glyphName.length === 3) { + code = parseInt(glyphName.substr(1), 16); + } + break; + case 'g': + // g00xx glyph + if (glyphName.length === 5) { + code = parseInt(glyphName.substr(1), 16); + } + break; + case 'C': + // Cddd glyph + case 'c': + // cddd glyph + if (glyphName.length >= 3) { + code = +glyphName.substr(1); + } + break; + default: + // 'uniXXXX'/'uXXXX{XX}' glyphs + var unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap); + if (unicode !== -1) { + code = unicode; + } + } + if (code) { + // If |baseEncodingName| is one the predefined encodings, + // and |code| equals |charcode|, using the glyph defined in the + // baseEncoding seems to yield a better |toUnicode| mapping + // (fixes issue 5070). + if (baseEncodingName && code === +charcode) { + var baseEncoding = getEncoding(baseEncodingName); + if (baseEncoding && (glyphName = baseEncoding[charcode])) { + toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]); + continue; + } + } + toUnicode[charcode] = String.fromCharCode(code); + } + continue; + } + toUnicode[charcode] = String.fromCharCode(glyphsUnicodeMap[glyphName]); + } + return Promise.resolve(new ToUnicodeMap(toUnicode)); + } + // If the font is a composite font that uses one of the predefined CMaps + // listed in Table 118 (except Identity–H and Identity–V) or whose + // descendant CIDFont uses the Adobe-GB1, Adobe-CNS1, Adobe-Japan1, or + // Adobe-Korea1 character collection: + if (properties.composite && (properties.cMap.builtInCMap && !(properties.cMap instanceof IdentityCMap) || properties.cidSystemInfo.registry === 'Adobe' && (properties.cidSystemInfo.ordering === 'GB1' || properties.cidSystemInfo.ordering === 'CNS1' || properties.cidSystemInfo.ordering === 'Japan1' || properties.cidSystemInfo.ordering === 'Korea1'))) { + // Then: + // a) Map the character code to a character identifier (CID) according + // to the font’s CMap. + // b) Obtain the registry and ordering of the character collection used + // by the font’s CMap (for example, Adobe and Japan1) from its + // CIDSystemInfo dictionary. + var registry = properties.cidSystemInfo.registry; + var ordering = properties.cidSystemInfo.ordering; + // c) Construct a second CMap name by concatenating the registry and + // ordering obtained in step (b) in the format registry–ordering–UCS2 + // (for example, Adobe–Japan1–UCS2). + var ucs2CMapName = Name.get(registry + '-' + ordering + '-UCS2'); + // d) Obtain the CMap with the name constructed in step (c) (available + // from the ASN Web site; see the Bibliography). + return CMapFactory.create(ucs2CMapName, this.options.cMapOptions, null).then(function (ucs2CMap) { + var cMap = properties.cMap; + toUnicode = []; + cMap.forEach(function (charcode, cid) { + assert(cid <= 0xffff, 'Max size of CID is 65,535'); + // e) Map the CID obtained in step (a) according to the CMap + // obtained in step (d), producing a Unicode value. + var ucs2 = ucs2CMap.lookup(cid); + if (ucs2) { + toUnicode[charcode] = String.fromCharCode((ucs2.charCodeAt(0) << 8) + ucs2.charCodeAt(1)); + } + }); + return new ToUnicodeMap(toUnicode); + }); + } + // The viewer's choice, just use an identity map. + return Promise.resolve(new IdentityToUnicodeMap(properties.firstChar, properties.lastChar)); + }, + readToUnicode: function PartialEvaluator_readToUnicode(toUnicode) { + var cmapObj = toUnicode; + if (isName(cmapObj)) { + return CMapFactory.create(cmapObj, this.options.cMapOptions, null).then(function (cmap) { + if (cmap instanceof IdentityCMap) { + return new IdentityToUnicodeMap(0, 0xFFFF); + } + return new ToUnicodeMap(cmap.getMap()); + }); + } else if (isStream(cmapObj)) { + return CMapFactory.create(cmapObj, this.options.cMapOptions, null).then(function (cmap) { + if (cmap instanceof IdentityCMap) { + return new IdentityToUnicodeMap(0, 0xFFFF); + } + var map = new Array(cmap.length); + // Convert UTF-16BE + // NOTE: cmap can be a sparse array, so use forEach instead of for(;;) + // to iterate over all keys. + cmap.forEach(function (charCode, token) { + var str = []; + for (var k = 0; k < token.length; k += 2) { + var w1 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1); + if ((w1 & 0xF800) !== 0xD800) { + // w1 < 0xD800 || w1 > 0xDFFF + str.push(w1); + continue; + } + k += 2; + var w2 = token.charCodeAt(k) << 8 | token.charCodeAt(k + 1); + str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000); + } + map[charCode] = String.fromCharCode.apply(String, str); + }); + return new ToUnicodeMap(map); + }); + } + return Promise.resolve(null); + }, + readCidToGidMap: function PartialEvaluator_readCidToGidMap(cidToGidStream) { + // Extract the encoding from the CIDToGIDMap + var glyphsData = cidToGidStream.getBytes(); + // Set encoding 0 to later verify the font has an encoding + var result = []; + for (var j = 0, jj = glyphsData.length; j < jj; j++) { + var glyphID = glyphsData[j++] << 8 | glyphsData[j]; + if (glyphID === 0) { + continue; + } + var code = j >> 1; + result[code] = glyphID; + } + return result; + }, + extractWidths: function PartialEvaluator_extractWidths(dict, xref, descriptor, properties) { + var glyphsWidths = []; + var defaultWidth = 0; + var glyphsVMetrics = []; + var defaultVMetrics; + var i, ii, j, jj, start, code, widths; + if (properties.composite) { + defaultWidth = dict.get('DW') || 1000; + widths = dict.get('W'); + if (widths) { + for (i = 0, ii = widths.length; i < ii; i++) { + start = widths[i++]; + code = xref.fetchIfRef(widths[i]); + if (isArray(code)) { + for (j = 0, jj = code.length; j < jj; j++) { + glyphsWidths[start++] = code[j]; + } + } else { + var width = widths[++i]; + for (j = start; j <= code; j++) { + glyphsWidths[j] = width; + } + } + } + } + if (properties.vertical) { + var vmetrics = dict.get('DW2') || [ + 880, + -1000 + ]; + defaultVMetrics = [ + vmetrics[1], + defaultWidth * 0.5, + vmetrics[0] + ]; + vmetrics = dict.get('W2'); + if (vmetrics) { + for (i = 0, ii = vmetrics.length; i < ii; i++) { + start = vmetrics[i++]; + code = xref.fetchIfRef(vmetrics[i]); + if (isArray(code)) { + for (j = 0, jj = code.length; j < jj; j++) { + glyphsVMetrics[start++] = [ + code[j++], + code[j++], + code[j] + ]; + } + } else { + var vmetric = [ + vmetrics[++i], + vmetrics[++i], + vmetrics[++i] + ]; + for (j = start; j <= code; j++) { + glyphsVMetrics[j] = vmetric; + } + } + } + } + } + } else { + var firstChar = properties.firstChar; + widths = dict.get('Widths'); + if (widths) { + j = firstChar; + for (i = 0, ii = widths.length; i < ii; i++) { + glyphsWidths[j++] = widths[i]; + } + defaultWidth = parseFloat(descriptor.get('MissingWidth')) || 0; + } else { + // Trying get the BaseFont metrics (see comment above). + var baseFontName = dict.get('BaseFont'); + if (isName(baseFontName)) { + var metrics = this.getBaseFontMetrics(baseFontName.name); + glyphsWidths = this.buildCharCodeToWidth(metrics.widths, properties); + defaultWidth = metrics.defaultWidth; + } + } + } + // Heuristic: detection of monospace font by checking all non-zero widths + var isMonospace = true; + var firstWidth = defaultWidth; + for (var glyph in glyphsWidths) { + var glyphWidth = glyphsWidths[glyph]; + if (!glyphWidth) { + continue; + } + if (!firstWidth) { + firstWidth = glyphWidth; + continue; + } + if (firstWidth !== glyphWidth) { + isMonospace = false; + break; + } + } + if (isMonospace) { + properties.flags |= FontFlags.FixedPitch; + } + properties.defaultWidth = defaultWidth; + properties.widths = glyphsWidths; + properties.defaultVMetrics = defaultVMetrics; + properties.vmetrics = glyphsVMetrics; + }, + isSerifFont: function PartialEvaluator_isSerifFont(baseFontName) { + // Simulating descriptor flags attribute + var fontNameWoStyle = baseFontName.split('-')[0]; + return fontNameWoStyle in getSerifFonts() || fontNameWoStyle.search(/serif/gi) !== -1; + }, + getBaseFontMetrics: function PartialEvaluator_getBaseFontMetrics(name) { + var defaultWidth = 0; + var widths = []; + var monospace = false; + var stdFontMap = getStdFontMap(); + var lookupName = stdFontMap[name] || name; + var Metrics = getMetrics(); + if (!(lookupName in Metrics)) { + // Use default fonts for looking up font metrics if the passed + // font is not a base font + if (this.isSerifFont(name)) { + lookupName = 'Times-Roman'; + } else { + lookupName = 'Helvetica'; + } + } + var glyphWidths = Metrics[lookupName]; + if (isNum(glyphWidths)) { + defaultWidth = glyphWidths; + monospace = true; + } else { + widths = glyphWidths(); + } + // expand lazy widths array + return { + defaultWidth: defaultWidth, + monospace: monospace, + widths: widths + }; + }, + buildCharCodeToWidth: function PartialEvaluator_bulildCharCodeToWidth(widthsByGlyphName, properties) { + var widths = Object.create(null); + var differences = properties.differences; + var encoding = properties.defaultEncoding; + for (var charCode = 0; charCode < 256; charCode++) { + if (charCode in differences && widthsByGlyphName[differences[charCode]]) { + widths[charCode] = widthsByGlyphName[differences[charCode]]; + continue; + } + if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) { + widths[charCode] = widthsByGlyphName[encoding[charCode]]; + continue; + } + } + return widths; + }, + preEvaluateFont: function PartialEvaluator_preEvaluateFont(dict, xref) { + var baseDict = dict; + var type = dict.get('Subtype'); + assert(isName(type), 'invalid font Subtype'); + var composite = false; + var uint8array; + if (type.name === 'Type0') { + // If font is a composite + // - get the descendant font + // - set the type according to the descendant font + // - get the FontDescriptor from the descendant font + var df = dict.get('DescendantFonts'); + if (!df) { + error('Descendant fonts are not specified'); + } + dict = isArray(df) ? xref.fetchIfRef(df[0]) : df; + type = dict.get('Subtype'); + assert(isName(type), 'invalid font Subtype'); + composite = true; + } + var descriptor = dict.get('FontDescriptor'); + if (descriptor) { + var hash = new MurmurHash3_64(); + var encoding = baseDict.getRaw('Encoding'); + if (isName(encoding)) { + hash.update(encoding.name); + } else if (isRef(encoding)) { + hash.update(encoding.toString()); + } else if (isDict(encoding)) { + var keys = encoding.getKeys(); + for (var i = 0, ii = keys.length; i < ii; i++) { + var entry = encoding.getRaw(keys[i]); + if (isName(entry)) { + hash.update(entry.name); + } else if (isRef(entry)) { + hash.update(entry.toString()); + } else if (isArray(entry)) { + // 'Differences' entry. + // Ideally we should check the contents of the array, but to avoid + // parsing it here and then again in |extractDataStructures|, + // we only use the array length for now (fixes bug1157493.pdf). + hash.update(entry.length.toString()); + } + } + } + var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode'); + if (isStream(toUnicode)) { + var stream = toUnicode.str || toUnicode; + uint8array = stream.buffer ? new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) : new Uint8Array(stream.bytes.buffer, stream.start, stream.end - stream.start); + hash.update(uint8array); + } else if (isName(toUnicode)) { + hash.update(toUnicode.name); + } + var widths = dict.get('Widths') || baseDict.get('Widths'); + if (widths) { + uint8array = new Uint8Array(new Uint32Array(widths).buffer); + hash.update(uint8array); + } + } + return { + descriptor: descriptor, + dict: dict, + baseDict: baseDict, + composite: composite, + type: type.name, + hash: hash ? hash.hexdigest() : '' + }; + }, + translateFont: function PartialEvaluator_translateFont(preEvaluatedFont, xref) { + var baseDict = preEvaluatedFont.baseDict; + var dict = preEvaluatedFont.dict; + var composite = preEvaluatedFont.composite; + var descriptor = preEvaluatedFont.descriptor; + var type = preEvaluatedFont.type; + var maxCharIndex = composite ? 0xFFFF : 0xFF; + var cMapOptions = this.options.cMapOptions; + var properties; + if (!descriptor) { + if (type === 'Type3') { + // FontDescriptor is only required for Type3 fonts when the document + // is a tagged pdf. Create a barbebones one to get by. + descriptor = new Dict(null); + descriptor.set('FontName', Name.get(type)); + descriptor.set('FontBBox', dict.getArray('FontBBox')); + } else { + // Before PDF 1.5 if the font was one of the base 14 fonts, having a + // FontDescriptor was not required. + // This case is here for compatibility. + var baseFontName = dict.get('BaseFont'); + if (!isName(baseFontName)) { + error('Base font is not specified'); + } + // Using base font name as a font name. + baseFontName = baseFontName.name.replace(/[,_]/g, '-'); + var metrics = this.getBaseFontMetrics(baseFontName); + // Simulating descriptor flags attribute + var fontNameWoStyle = baseFontName.split('-')[0]; + var flags = (this.isSerifFont(fontNameWoStyle) ? FontFlags.Serif : 0) | (metrics.monospace ? FontFlags.FixedPitch : 0) | (getSymbolsFonts()[fontNameWoStyle] ? FontFlags.Symbolic : FontFlags.Nonsymbolic); + properties = { + type: type, + name: baseFontName, + widths: metrics.widths, + defaultWidth: metrics.defaultWidth, + flags: flags, + firstChar: 0, + lastChar: maxCharIndex + }; + return this.extractDataStructures(dict, dict, xref, properties).then(function (properties) { + properties.widths = this.buildCharCodeToWidth(metrics.widths, properties); + return new Font(baseFontName, null, properties); + }.bind(this)); + } + } + // According to the spec if 'FontDescriptor' is declared, 'FirstChar', + // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem + // to ignore this rule when a variant of a standard font is used. + // TODO Fill the width array depending on which of the base font this is + // a variant. + var firstChar = dict.get('FirstChar') || 0; + var lastChar = dict.get('LastChar') || maxCharIndex; + var fontName = descriptor.get('FontName'); + var baseFont = dict.get('BaseFont'); + // Some bad PDFs have a string as the font name. + if (isString(fontName)) { + fontName = Name.get(fontName); + } + if (isString(baseFont)) { + baseFont = Name.get(baseFont); + } + if (type !== 'Type3') { + var fontNameStr = fontName && fontName.name; + var baseFontStr = baseFont && baseFont.name; + if (fontNameStr !== baseFontStr) { + info('The FontDescriptor\'s FontName is "' + fontNameStr + '" but should be the same as the Font\'s BaseFont "' + baseFontStr + '"'); + // Workaround for cases where e.g. fontNameStr = 'Arial' and + // baseFontStr = 'Arial,Bold' (needed when no font file is embedded). + if (fontNameStr && baseFontStr && baseFontStr.indexOf(fontNameStr) === 0) { + fontName = baseFont; + } + } + } + fontName = fontName || baseFont; + assert(isName(fontName), 'invalid font name'); + var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3'); + if (fontFile) { + if (fontFile.dict) { + var subtype = fontFile.dict.get('Subtype'); + if (subtype) { + subtype = subtype.name; + } + var length1 = fontFile.dict.get('Length1'); + var length2 = fontFile.dict.get('Length2'); + var length3 = fontFile.dict.get('Length3'); + } + } + properties = { + type: type, + name: fontName.name, + subtype: subtype, + file: fontFile, + length1: length1, + length2: length2, + length3: length3, + loadedName: baseDict.loadedName, + composite: composite, + wideChars: composite, + fixedPitch: false, + fontMatrix: dict.getArray('FontMatrix') || FONT_IDENTITY_MATRIX, + firstChar: firstChar || 0, + lastChar: lastChar || maxCharIndex, + bbox: descriptor.getArray('FontBBox'), + ascent: descriptor.get('Ascent'), + descent: descriptor.get('Descent'), + xHeight: descriptor.get('XHeight'), + capHeight: descriptor.get('CapHeight'), + flags: descriptor.get('Flags'), + italicAngle: descriptor.get('ItalicAngle'), + coded: false + }; + var cMapPromise; + if (composite) { + var cidEncoding = baseDict.get('Encoding'); + if (isName(cidEncoding)) { + properties.cidEncoding = cidEncoding.name; + } + cMapPromise = CMapFactory.create(cidEncoding, cMapOptions, null).then(function (cMap) { + properties.cMap = cMap; + properties.vertical = properties.cMap.vertical; + }); + } else { + cMapPromise = Promise.resolve(undefined); + } + return cMapPromise.then(function () { + return this.extractDataStructures(dict, baseDict, xref, properties); + }.bind(this)).then(function (properties) { + this.extractWidths(dict, xref, descriptor, properties); + if (type === 'Type3') { + properties.isType3Font = true; + } + return new Font(fontName.name, fontFile, properties); + }.bind(this)); + } + }; + return PartialEvaluator; + }(); + var TranslatedFont = function TranslatedFontClosure() { + function TranslatedFont(loadedName, font, dict) { + this.loadedName = loadedName; + this.font = font; + this.dict = dict; + this.type3Loaded = null; + this.sent = false; + } + TranslatedFont.prototype = { + send: function (handler) { + if (this.sent) { + return; + } + var fontData = this.font.exportData(); + handler.send('commonobj', [ + this.loadedName, + 'Font', + fontData + ]); + this.sent = true; + }, + loadType3Data: function (evaluator, resources, parentOperatorList, task) { + assert(this.font.isType3Font); + if (this.type3Loaded) { + return this.type3Loaded; + } + var translatedFont = this.font; + var loadCharProcsPromise = Promise.resolve(); + var charProcs = this.dict.get('CharProcs'); + var fontResources = this.dict.get('Resources') || resources; + var charProcKeys = charProcs.getKeys(); + var charProcOperatorList = Object.create(null); + for (var i = 0, n = charProcKeys.length; i < n; ++i) { + loadCharProcsPromise = loadCharProcsPromise.then(function (key) { + var glyphStream = charProcs.get(key); + var operatorList = new OperatorList(); + return evaluator.getOperatorList(glyphStream, task, fontResources, operatorList).then(function () { + charProcOperatorList[key] = operatorList.getIR(); + // Add the dependencies to the parent operator list so they are + // resolved before sub operator list is executed synchronously. + parentOperatorList.addDependencies(operatorList.dependencies); + }, function (reason) { + warn('Type3 font resource \"' + key + '\" is not available'); + var operatorList = new OperatorList(); + charProcOperatorList[key] = operatorList.getIR(); + }); + }.bind(this, charProcKeys[i])); + } + this.type3Loaded = loadCharProcsPromise.then(function () { + translatedFont.charProcOperatorList = charProcOperatorList; + }); + return this.type3Loaded; + } + }; + return TranslatedFont; + }(); + var OperatorList = function OperatorListClosure() { + var CHUNK_SIZE = 1000; + var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5; + // close to chunk size + function getTransfers(queue) { + var transfers = []; + var fnArray = queue.fnArray, argsArray = queue.argsArray; + for (var i = 0, ii = queue.length; i < ii; i++) { + switch (fnArray[i]) { + case OPS.paintInlineImageXObject: + case OPS.paintInlineImageXObjectGroup: + case OPS.paintImageMaskXObject: + var arg = argsArray[i][0]; + // first param in imgData + if (!arg.cached) { + transfers.push(arg.data.buffer); + } + break; + } + } + return transfers; + } + function OperatorList(intent, messageHandler, pageIndex) { + this.messageHandler = messageHandler; + this.fnArray = []; + this.argsArray = []; + this.dependencies = Object.create(null); + this._totalLength = 0; + this.pageIndex = pageIndex; + this.intent = intent; + } + OperatorList.prototype = { + get length() { + return this.argsArray.length; + }, + /** + * @returns {number} The total length of the entire operator list, + * since `this.length === 0` after flushing. + */ + get totalLength() { + return this._totalLength + this.length; + }, + addOp: function (fn, args) { + this.fnArray.push(fn); + this.argsArray.push(args); + if (this.messageHandler) { + if (this.fnArray.length >= CHUNK_SIZE) { + this.flush(); + } else if (this.fnArray.length >= CHUNK_SIZE_ABOUT && (fn === OPS.restore || fn === OPS.endText)) { + // heuristic to flush on boundary of restore or endText + this.flush(); + } + } + }, + addDependency: function (dependency) { + if (dependency in this.dependencies) { + return; + } + this.dependencies[dependency] = true; + this.addOp(OPS.dependency, [dependency]); + }, + addDependencies: function (dependencies) { + for (var key in dependencies) { + this.addDependency(key); + } + }, + addOpList: function (opList) { + Util.extendObj(this.dependencies, opList.dependencies); + for (var i = 0, ii = opList.length; i < ii; i++) { + this.addOp(opList.fnArray[i], opList.argsArray[i]); + } + }, + getIR: function () { + return { + fnArray: this.fnArray, + argsArray: this.argsArray, + length: this.length + }; + }, + flush: function (lastChunk) { + if (this.intent !== 'oplist') { + new QueueOptimizer().optimize(this); + } + var transfers = getTransfers(this); + var length = this.length; + this._totalLength += length; + this.messageHandler.send('RenderPageChunk', { + operatorList: { + fnArray: this.fnArray, + argsArray: this.argsArray, + lastChunk: lastChunk, + length: length + }, + pageIndex: this.pageIndex, + intent: this.intent + }, transfers); + this.dependencies = Object.create(null); + this.fnArray.length = 0; + this.argsArray.length = 0; + } + }; + return OperatorList; + }(); + var StateManager = function StateManagerClosure() { + function StateManager(initialState) { + this.state = initialState; + this.stateStack = []; + } + StateManager.prototype = { + save: function () { + var old = this.state; + this.stateStack.push(this.state); + this.state = old.clone(); + }, + restore: function () { + var prev = this.stateStack.pop(); + if (prev) { + this.state = prev; + } + }, + transform: function (args) { + this.state.ctm = Util.transform(this.state.ctm, args); + } + }; + return StateManager; + }(); + var TextState = function TextStateClosure() { + function TextState() { + this.ctm = new Float32Array(IDENTITY_MATRIX); + this.fontName = null; + this.fontSize = 0; + this.font = null; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.textMatrix = IDENTITY_MATRIX.slice(); + this.textLineMatrix = IDENTITY_MATRIX.slice(); + this.charSpacing = 0; + this.wordSpacing = 0; + this.leading = 0; + this.textHScale = 1; + this.textRise = 0; + } + TextState.prototype = { + setTextMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { + var m = this.textMatrix; + m[0] = a; + m[1] = b; + m[2] = c; + m[3] = d; + m[4] = e; + m[5] = f; + }, + setTextLineMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { + var m = this.textLineMatrix; + m[0] = a; + m[1] = b; + m[2] = c; + m[3] = d; + m[4] = e; + m[5] = f; + }, + translateTextMatrix: function TextState_translateTextMatrix(x, y) { + var m = this.textMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + }, + translateTextLineMatrix: function TextState_translateTextMatrix(x, y) { + var m = this.textLineMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + }, + calcTextLineMatrixAdvance: function TextState_calcTextLineMatrixAdvance(a, b, c, d, e, f) { + var font = this.font; + if (!font) { + return null; + } + var m = this.textLineMatrix; + if (!(a === m[0] && b === m[1] && c === m[2] && d === m[3])) { + return null; + } + var txDiff = e - m[4], tyDiff = f - m[5]; + if (font.vertical && txDiff !== 0 || !font.vertical && tyDiff !== 0) { + return null; + } + var tx, ty, denominator = a * d - b * c; + if (font.vertical) { + tx = -tyDiff * c / denominator; + ty = tyDiff * a / denominator; + } else { + tx = txDiff * d / denominator; + ty = -txDiff * b / denominator; + } + return { + width: tx, + height: ty, + value: font.vertical ? ty : tx + }; + }, + calcRenderMatrix: function TextState_calcRendeMatrix(ctm) { + // 9.4.4 Text Space Details + var tsm = [ + this.fontSize * this.textHScale, + 0, + 0, + this.fontSize, + 0, + this.textRise + ]; + return Util.transform(ctm, Util.transform(this.textMatrix, tsm)); + }, + carriageReturn: function TextState_carriageReturn() { + this.translateTextLineMatrix(0, -this.leading); + this.textMatrix = this.textLineMatrix.slice(); + }, + clone: function TextState_clone() { + var clone = Object.create(this); + clone.textMatrix = this.textMatrix.slice(); + clone.textLineMatrix = this.textLineMatrix.slice(); + clone.fontMatrix = this.fontMatrix.slice(); + return clone; + } + }; + return TextState; + }(); + var EvalState = function EvalStateClosure() { + function EvalState() { + this.ctm = new Float32Array(IDENTITY_MATRIX); + this.font = null; + this.textRenderingMode = TextRenderingMode.FILL; + this.fillColorSpace = ColorSpace.singletons.gray; + this.strokeColorSpace = ColorSpace.singletons.gray; + } + EvalState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + } + }; + return EvalState; + }(); + var EvaluatorPreprocessor = function EvaluatorPreprocessorClosure() { + // Specifies properties for each command + // + // If variableArgs === true: [0, `numArgs`] expected + // If variableArgs === false: exactly `numArgs` expected + var getOPMap = getLookupTableFactory(function (t) { + // Graphic state + t['w'] = { + id: OPS.setLineWidth, + numArgs: 1, + variableArgs: false + }; + t['J'] = { + id: OPS.setLineCap, + numArgs: 1, + variableArgs: false + }; + t['j'] = { + id: OPS.setLineJoin, + numArgs: 1, + variableArgs: false + }; + t['M'] = { + id: OPS.setMiterLimit, + numArgs: 1, + variableArgs: false + }; + t['d'] = { + id: OPS.setDash, + numArgs: 2, + variableArgs: false + }; + t['ri'] = { + id: OPS.setRenderingIntent, + numArgs: 1, + variableArgs: false + }; + t['i'] = { + id: OPS.setFlatness, + numArgs: 1, + variableArgs: false + }; + t['gs'] = { + id: OPS.setGState, + numArgs: 1, + variableArgs: false + }; + t['q'] = { + id: OPS.save, + numArgs: 0, + variableArgs: false + }; + t['Q'] = { + id: OPS.restore, + numArgs: 0, + variableArgs: false + }; + t['cm'] = { + id: OPS.transform, + numArgs: 6, + variableArgs: false + }; + // Path + t['m'] = { + id: OPS.moveTo, + numArgs: 2, + variableArgs: false + }; + t['l'] = { + id: OPS.lineTo, + numArgs: 2, + variableArgs: false + }; + t['c'] = { + id: OPS.curveTo, + numArgs: 6, + variableArgs: false + }; + t['v'] = { + id: OPS.curveTo2, + numArgs: 4, + variableArgs: false + }; + t['y'] = { + id: OPS.curveTo3, + numArgs: 4, + variableArgs: false + }; + t['h'] = { + id: OPS.closePath, + numArgs: 0, + variableArgs: false + }; + t['re'] = { + id: OPS.rectangle, + numArgs: 4, + variableArgs: false + }; + t['S'] = { + id: OPS.stroke, + numArgs: 0, + variableArgs: false + }; + t['s'] = { + id: OPS.closeStroke, + numArgs: 0, + variableArgs: false + }; + t['f'] = { + id: OPS.fill, + numArgs: 0, + variableArgs: false + }; + t['F'] = { + id: OPS.fill, + numArgs: 0, + variableArgs: false + }; + t['f*'] = { + id: OPS.eoFill, + numArgs: 0, + variableArgs: false + }; + t['B'] = { + id: OPS.fillStroke, + numArgs: 0, + variableArgs: false + }; + t['B*'] = { + id: OPS.eoFillStroke, + numArgs: 0, + variableArgs: false + }; + t['b'] = { + id: OPS.closeFillStroke, + numArgs: 0, + variableArgs: false + }; + t['b*'] = { + id: OPS.closeEOFillStroke, + numArgs: 0, + variableArgs: false + }; + t['n'] = { + id: OPS.endPath, + numArgs: 0, + variableArgs: false + }; + // Clipping + t['W'] = { + id: OPS.clip, + numArgs: 0, + variableArgs: false + }; + t['W*'] = { + id: OPS.eoClip, + numArgs: 0, + variableArgs: false + }; + // Text + t['BT'] = { + id: OPS.beginText, + numArgs: 0, + variableArgs: false + }; + t['ET'] = { + id: OPS.endText, + numArgs: 0, + variableArgs: false + }; + t['Tc'] = { + id: OPS.setCharSpacing, + numArgs: 1, + variableArgs: false + }; + t['Tw'] = { + id: OPS.setWordSpacing, + numArgs: 1, + variableArgs: false + }; + t['Tz'] = { + id: OPS.setHScale, + numArgs: 1, + variableArgs: false + }; + t['TL'] = { + id: OPS.setLeading, + numArgs: 1, + variableArgs: false + }; + t['Tf'] = { + id: OPS.setFont, + numArgs: 2, + variableArgs: false + }; + t['Tr'] = { + id: OPS.setTextRenderingMode, + numArgs: 1, + variableArgs: false + }; + t['Ts'] = { + id: OPS.setTextRise, + numArgs: 1, + variableArgs: false + }; + t['Td'] = { + id: OPS.moveText, + numArgs: 2, + variableArgs: false + }; + t['TD'] = { + id: OPS.setLeadingMoveText, + numArgs: 2, + variableArgs: false + }; + t['Tm'] = { + id: OPS.setTextMatrix, + numArgs: 6, + variableArgs: false + }; + t['T*'] = { + id: OPS.nextLine, + numArgs: 0, + variableArgs: false + }; + t['Tj'] = { + id: OPS.showText, + numArgs: 1, + variableArgs: false + }; + t['TJ'] = { + id: OPS.showSpacedText, + numArgs: 1, + variableArgs: false + }; + t['\''] = { + id: OPS.nextLineShowText, + numArgs: 1, + variableArgs: false + }; + t['"'] = { + id: OPS.nextLineSetSpacingShowText, + numArgs: 3, + variableArgs: false + }; + // Type3 fonts + t['d0'] = { + id: OPS.setCharWidth, + numArgs: 2, + variableArgs: false + }; + t['d1'] = { + id: OPS.setCharWidthAndBounds, + numArgs: 6, + variableArgs: false + }; + // Color + t['CS'] = { + id: OPS.setStrokeColorSpace, + numArgs: 1, + variableArgs: false + }; + t['cs'] = { + id: OPS.setFillColorSpace, + numArgs: 1, + variableArgs: false + }; + t['SC'] = { + id: OPS.setStrokeColor, + numArgs: 4, + variableArgs: true + }; + t['SCN'] = { + id: OPS.setStrokeColorN, + numArgs: 33, + variableArgs: true + }; + t['sc'] = { + id: OPS.setFillColor, + numArgs: 4, + variableArgs: true + }; + t['scn'] = { + id: OPS.setFillColorN, + numArgs: 33, + variableArgs: true + }; + t['G'] = { + id: OPS.setStrokeGray, + numArgs: 1, + variableArgs: false + }; + t['g'] = { + id: OPS.setFillGray, + numArgs: 1, + variableArgs: false + }; + t['RG'] = { + id: OPS.setStrokeRGBColor, + numArgs: 3, + variableArgs: false + }; + t['rg'] = { + id: OPS.setFillRGBColor, + numArgs: 3, + variableArgs: false + }; + t['K'] = { + id: OPS.setStrokeCMYKColor, + numArgs: 4, + variableArgs: false + }; + t['k'] = { + id: OPS.setFillCMYKColor, + numArgs: 4, + variableArgs: false + }; + // Shading + t['sh'] = { + id: OPS.shadingFill, + numArgs: 1, + variableArgs: false + }; + // Images + t['BI'] = { + id: OPS.beginInlineImage, + numArgs: 0, + variableArgs: false + }; + t['ID'] = { + id: OPS.beginImageData, + numArgs: 0, + variableArgs: false + }; + t['EI'] = { + id: OPS.endInlineImage, + numArgs: 1, + variableArgs: false + }; + // XObjects + t['Do'] = { + id: OPS.paintXObject, + numArgs: 1, + variableArgs: false + }; + t['MP'] = { + id: OPS.markPoint, + numArgs: 1, + variableArgs: false + }; + t['DP'] = { + id: OPS.markPointProps, + numArgs: 2, + variableArgs: false + }; + t['BMC'] = { + id: OPS.beginMarkedContent, + numArgs: 1, + variableArgs: false + }; + t['BDC'] = { + id: OPS.beginMarkedContentProps, + numArgs: 2, + variableArgs: false + }; + t['EMC'] = { + id: OPS.endMarkedContent, + numArgs: 0, + variableArgs: false + }; + // Compatibility + t['BX'] = { + id: OPS.beginCompat, + numArgs: 0, + variableArgs: false + }; + t['EX'] = { + id: OPS.endCompat, + numArgs: 0, + variableArgs: false + }; + // (reserved partial commands for the lexer) + t['BM'] = null; + t['BD'] = null; + t['true'] = null; + t['fa'] = null; + t['fal'] = null; + t['fals'] = null; + t['false'] = null; + t['nu'] = null; + t['nul'] = null; + t['null'] = null; + }); + function EvaluatorPreprocessor(stream, xref, stateManager) { + this.opMap = getOPMap(); + // TODO(mduan): pass array of knownCommands rather than this.opMap + // dictionary + this.parser = new Parser(new Lexer(stream, this.opMap), false, xref); + this.stateManager = stateManager; + this.nonProcessedArgs = []; + } + EvaluatorPreprocessor.prototype = { + get savedStatesDepth() { + return this.stateManager.stateStack.length; + }, + // |operation| is an object with two fields: + // + // - |fn| is an out param. + // + // - |args| is an inout param. On entry, it should have one of two values. + // + // - An empty array. This indicates that the caller is providing the + // array in which the args will be stored in. The caller should use + // this value if it can reuse a single array for each call to read(). + // + // - |null|. This indicates that the caller needs this function to create + // the array in which any args are stored in. If there are zero args, + // this function will leave |operation.args| as |null| (thus avoiding + // allocations that would occur if we used an empty array to represent + // zero arguments). Otherwise, it will replace |null| with a new array + // containing the arguments. The caller should use this value if it + // cannot reuse an array for each call to read(). + // + // These two modes are present because this function is very hot and so + // avoiding allocations where possible is worthwhile. + // + read: function EvaluatorPreprocessor_read(operation) { + var args = operation.args; + while (true) { + var obj = this.parser.getObj(); + if (isCmd(obj)) { + var cmd = obj.cmd; + // Check that the command is valid + var opSpec = this.opMap[cmd]; + if (!opSpec) { + warn('Unknown command "' + cmd + '"'); + continue; + } + var fn = opSpec.id; + var numArgs = opSpec.numArgs; + var argsLength = args !== null ? args.length : 0; + if (!opSpec.variableArgs) { + // Postscript commands can be nested, e.g. /F2 /GS2 gs 5.711 Tf + if (argsLength !== numArgs) { + var nonProcessedArgs = this.nonProcessedArgs; + while (argsLength > numArgs) { + nonProcessedArgs.push(args.shift()); + argsLength--; + } + while (argsLength < numArgs && nonProcessedArgs.length !== 0) { + if (!args) { + args = []; + } + args.unshift(nonProcessedArgs.pop()); + argsLength++; + } + } + if (argsLength < numArgs) { + // If we receive too few args, it's not possible to possible + // to execute the command, so skip the command + info('Command ' + fn + ': because expected ' + numArgs + ' args, but received ' + argsLength + ' args; skipping'); + args = null; + continue; + } + } else if (argsLength > numArgs) { + info('Command ' + fn + ': expected [0,' + numArgs + '] args, but received ' + argsLength + ' args'); + } + // TODO figure out how to type-check vararg functions + this.preprocessCommand(fn, args); + operation.fn = fn; + operation.args = args; + return true; + } else { + if (isEOF(obj)) { + return false; + } + // no more commands + // argument + if (obj !== null) { + if (!args) { + args = []; + } + args.push(obj); + assert(args.length <= 33, 'Too many arguments'); + } + } + } + }, + preprocessCommand: function EvaluatorPreprocessor_preprocessCommand(fn, args) { + switch (fn | 0) { + case OPS.save: + this.stateManager.save(); + break; + case OPS.restore: + this.stateManager.restore(); + break; + case OPS.transform: + this.stateManager.transform(args); + break; + } + } + }; + return EvaluatorPreprocessor; + }(); + var QueueOptimizer = function QueueOptimizerClosure() { + function addState(parentState, pattern, fn) { + var state = parentState; + for (var i = 0, ii = pattern.length - 1; i < ii; i++) { + var item = pattern[i]; + state = state[item] || (state[item] = []); + } + state[pattern[pattern.length - 1]] = fn; + } + function handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray) { + // Handles special case of mainly LaTeX documents which use image masks to + // draw lines with the current fill style. + // 'count' groups of (save, transform, paintImageMaskXObject, restore)+ + // have been found at iFirstSave. + var iFirstPIMXO = iFirstSave + 2; + for (var i = 0; i < count; i++) { + var arg = argsArray[iFirstPIMXO + 4 * i]; + var imageMask = arg.length === 1 && arg[0]; + if (imageMask && imageMask.width === 1 && imageMask.height === 1 && (!imageMask.data.length || imageMask.data.length === 1 && imageMask.data[0] === 0)) { + fnArray[iFirstPIMXO + 4 * i] = OPS.paintSolidColorImageMask; + continue; + } + break; + } + return count - i; + } + var InitialState = []; + // This replaces (save, transform, paintInlineImageXObject, restore)+ + // sequences with one |paintInlineImageXObjectGroup| operation. + addState(InitialState, [ + OPS.save, + OPS.transform, + OPS.paintInlineImageXObject, + OPS.restore + ], function foundInlineImageGroup(context) { + var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10; + var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200; + var MAX_WIDTH = 1000; + var IMAGE_PADDING = 1; + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIIXO = curr - 1; + // Look for the quartets. + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || fnArray[i + 1] !== OPS.transform || fnArray[i + 2] !== OPS.paintInlineImageXObject || fnArray[i + 3] !== OPS.restore) { + break; + } + // ops don't match + i += 4; + } + // At this point, i is the index of the first op past the last valid + // quartet. + var count = Math.min((i - iFirstSave) / 4, MAX_IMAGES_IN_INLINE_IMAGES_BLOCK); + if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) { + return i; + } + // assuming that heights of those image is too small (~1 pixel) + // packing as much as possible by lines + var maxX = 0; + var map = [], maxLineHeight = 0; + var currentX = IMAGE_PADDING, currentY = IMAGE_PADDING; + var q; + for (q = 0; q < count; q++) { + var transform = argsArray[iFirstTransform + (q << 2)]; + var img = argsArray[iFirstPIIXO + (q << 2)][0]; + if (currentX + img.width > MAX_WIDTH) { + // starting new line + maxX = Math.max(maxX, currentX); + currentY += maxLineHeight + 2 * IMAGE_PADDING; + currentX = 0; + maxLineHeight = 0; + } + map.push({ + transform: transform, + x: currentX, + y: currentY, + w: img.width, + h: img.height + }); + currentX += img.width + 2 * IMAGE_PADDING; + maxLineHeight = Math.max(maxLineHeight, img.height); + } + var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING; + var imgHeight = currentY + maxLineHeight + IMAGE_PADDING; + var imgData = new Uint8Array(imgWidth * imgHeight * 4); + var imgRowSize = imgWidth << 2; + for (q = 0; q < count; q++) { + var data = argsArray[iFirstPIIXO + (q << 2)][0].data; + // Copy image by lines and extends pixels into padding. + var rowSize = map[q].w << 2; + var dataOffset = 0; + var offset = map[q].x + map[q].y * imgWidth << 2; + imgData.set(data.subarray(0, rowSize), offset - imgRowSize); + for (var k = 0, kk = map[q].h; k < kk; k++) { + imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset); + dataOffset += rowSize; + offset += imgRowSize; + } + imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset); + while (offset >= 0) { + data[offset - 4] = data[offset]; + data[offset - 3] = data[offset + 1]; + data[offset - 2] = data[offset + 2]; + data[offset - 1] = data[offset + 3]; + data[offset + rowSize] = data[offset + rowSize - 4]; + data[offset + rowSize + 1] = data[offset + rowSize - 3]; + data[offset + rowSize + 2] = data[offset + rowSize - 2]; + data[offset + rowSize + 3] = data[offset + rowSize - 1]; + offset -= imgRowSize; + } + } + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintInlineImageXObjectGroup); + argsArray.splice(iFirstSave, count * 4, [ + { + width: imgWidth, + height: imgHeight, + kind: ImageKind.RGBA_32BPP, + data: imgData + }, + map + ]); + return iFirstSave + 1; + }); + // This replaces (save, transform, paintImageMaskXObject, restore)+ + // sequences with one |paintImageMaskXObjectGroup| or one + // |paintImageMaskXObjectRepeat| operation. + addState(InitialState, [ + OPS.save, + OPS.transform, + OPS.paintImageMaskXObject, + OPS.restore + ], function foundImageMaskGroup(context) { + var MIN_IMAGES_IN_MASKS_BLOCK = 10; + var MAX_IMAGES_IN_MASKS_BLOCK = 100; + var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000; + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIMXO = curr - 1; + // Look for the quartets. + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || fnArray[i + 1] !== OPS.transform || fnArray[i + 2] !== OPS.paintImageMaskXObject || fnArray[i + 3] !== OPS.restore) { + break; + } + // ops don't match + i += 4; + } + // At this point, i is the index of the first op past the last valid + // quartet. + var count = (i - iFirstSave) / 4; + count = handlePaintSolidColorImageMask(iFirstSave, count, fnArray, argsArray); + if (count < MIN_IMAGES_IN_MASKS_BLOCK) { + return i; + } + var q; + var isSameImage = false; + var iTransform, transformArgs; + var firstPIMXOArg0 = argsArray[iFirstPIMXO][0]; + if (argsArray[iFirstTransform][1] === 0 && argsArray[iFirstTransform][2] === 0) { + isSameImage = true; + var firstTransformArg0 = argsArray[iFirstTransform][0]; + var firstTransformArg3 = argsArray[iFirstTransform][3]; + iTransform = iFirstTransform + 4; + var iPIMXO = iFirstPIMXO + 4; + for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) { + transformArgs = argsArray[iTransform]; + if (argsArray[iPIMXO][0] !== firstPIMXOArg0 || transformArgs[0] !== firstTransformArg0 || transformArgs[1] !== 0 || transformArgs[2] !== 0 || transformArgs[3] !== firstTransformArg3) { + if (q < MIN_IMAGES_IN_MASKS_BLOCK) { + isSameImage = false; + } else { + count = q; + } + break; + } + } + } + // different image or transform + if (isSameImage) { + count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK); + var positions = new Float32Array(count * 2); + iTransform = iFirstTransform; + for (q = 0; q < count; q++, iTransform += 4) { + transformArgs = argsArray[iTransform]; + positions[q << 1] = transformArgs[4]; + positions[(q << 1) + 1] = transformArgs[5]; + } + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectRepeat); + argsArray.splice(iFirstSave, count * 4, [ + firstPIMXOArg0, + firstTransformArg0, + firstTransformArg3, + positions + ]); + } else { + count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK); + var images = []; + for (q = 0; q < count; q++) { + transformArgs = argsArray[iFirstTransform + (q << 2)]; + var maskParams = argsArray[iFirstPIMXO + (q << 2)][0]; + images.push({ + data: maskParams.data, + width: maskParams.width, + height: maskParams.height, + transform: transformArgs + }); + } + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectGroup); + argsArray.splice(iFirstSave, count * 4, [images]); + } + return iFirstSave + 1; + }); + // This replaces (save, transform, paintImageXObject, restore)+ sequences + // with one paintImageXObjectRepeat operation, if the |transform| and + // |paintImageXObjectRepeat| ops are appropriate. + addState(InitialState, [ + OPS.save, + OPS.transform, + OPS.paintImageXObject, + OPS.restore + ], function (context) { + var MIN_IMAGES_IN_BLOCK = 3; + var MAX_IMAGES_IN_BLOCK = 1000; + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIXO = curr - 1; + var iFirstRestore = curr; + if (argsArray[iFirstTransform][1] !== 0 || argsArray[iFirstTransform][2] !== 0) { + return iFirstRestore + 1; + } + // transform has the wrong form + // Look for the quartets. + var firstPIXOArg0 = argsArray[iFirstPIXO][0]; + var firstTransformArg0 = argsArray[iFirstTransform][0]; + var firstTransformArg3 = argsArray[iFirstTransform][3]; + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || fnArray[i + 1] !== OPS.transform || fnArray[i + 2] !== OPS.paintImageXObject || fnArray[i + 3] !== OPS.restore) { + break; + } + // ops don't match + if (argsArray[i + 1][0] !== firstTransformArg0 || argsArray[i + 1][1] !== 0 || argsArray[i + 1][2] !== 0 || argsArray[i + 1][3] !== firstTransformArg3) { + break; + } + // transforms don't match + if (argsArray[i + 2][0] !== firstPIXOArg0) { + break; + } + // images don't match + i += 4; + } + // At this point, i is the index of the first op past the last valid + // quartet. + var count = Math.min((i - iFirstSave) / 4, MAX_IMAGES_IN_BLOCK); + if (count < MIN_IMAGES_IN_BLOCK) { + return i; + } + // Extract the (x,y) positions from all of the matching transforms. + var positions = new Float32Array(count * 2); + var iTransform = iFirstTransform; + for (var q = 0; q < count; q++, iTransform += 4) { + var transformArgs = argsArray[iTransform]; + positions[q << 1] = transformArgs[4]; + positions[(q << 1) + 1] = transformArgs[5]; + } + // Replace queue items. + var args = [ + firstPIXOArg0, + firstTransformArg0, + firstTransformArg3, + positions + ]; + fnArray.splice(iFirstSave, count * 4, OPS.paintImageXObjectRepeat); + argsArray.splice(iFirstSave, count * 4, args); + return iFirstSave + 1; + }); + // This replaces (beginText, setFont, setTextMatrix, showText, endText)+ + // sequences with (beginText, setFont, (setTextMatrix, showText)+, endText)+ + // sequences, if the font for each one is the same. + addState(InitialState, [ + OPS.beginText, + OPS.setFont, + OPS.setTextMatrix, + OPS.showText, + OPS.endText + ], function (context) { + var MIN_CHARS_IN_BLOCK = 3; + var MAX_CHARS_IN_BLOCK = 1000; + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstBeginText = curr - 4; + var iFirstSetFont = curr - 3; + var iFirstSetTextMatrix = curr - 2; + var iFirstShowText = curr - 1; + var iFirstEndText = curr; + // Look for the quintets. + var firstSetFontArg0 = argsArray[iFirstSetFont][0]; + var firstSetFontArg1 = argsArray[iFirstSetFont][1]; + var i = iFirstBeginText + 5; + var ii = fnArray.length; + while (i + 4 < ii) { + if (fnArray[i] !== OPS.beginText || fnArray[i + 1] !== OPS.setFont || fnArray[i + 2] !== OPS.setTextMatrix || fnArray[i + 3] !== OPS.showText || fnArray[i + 4] !== OPS.endText) { + break; + } + // ops don't match + if (argsArray[i + 1][0] !== firstSetFontArg0 || argsArray[i + 1][1] !== firstSetFontArg1) { + break; + } + // fonts don't match + i += 5; + } + // At this point, i is the index of the first op past the last valid + // quintet. + var count = Math.min((i - iFirstBeginText) / 5, MAX_CHARS_IN_BLOCK); + if (count < MIN_CHARS_IN_BLOCK) { + return i; + } + // If the preceding quintet is (<something>, setFont, setTextMatrix, + // showText, endText), include that as well. (E.g. <something> might be + // |dependency|.) + var iFirst = iFirstBeginText; + if (iFirstBeginText >= 4 && fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) { + count++; + iFirst -= 5; + } + // Remove (endText, beginText, setFont) trios. + var iEndText = iFirst + 4; + for (var q = 1; q < count; q++) { + fnArray.splice(iEndText, 3); + argsArray.splice(iEndText, 3); + iEndText += 2; + } + return iEndText + 1; + }); + function QueueOptimizer() { + } + QueueOptimizer.prototype = { + optimize: function QueueOptimizer_optimize(queue) { + var fnArray = queue.fnArray, argsArray = queue.argsArray; + var context = { + iCurr: 0, + fnArray: fnArray, + argsArray: argsArray + }; + var state; + var i = 0, ii = fnArray.length; + while (i < ii) { + state = (state || InitialState)[fnArray[i]]; + if (typeof state === 'function') { + // we found some handler + context.iCurr = i; + // state() returns the index of the first non-matching op (if we + // didn't match) or the first op past the modified ops (if we did + // match and replace). + i = state(context); + state = undefined; + // reset the state machine + ii = context.fnArray.length; + } else { + i++; + } + } + } + }; + return QueueOptimizer; + }(); + exports.OperatorList = OperatorList; + exports.PartialEvaluator = PartialEvaluator; + })); + (function (root, factory) { + factory(root.pdfjsCoreAnnotation = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreColorSpace, root.pdfjsCoreObj, root.pdfjsCoreEvaluator); + }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreColorSpace, coreObj, coreEvaluator) { + var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; + var AnnotationFieldFlag = sharedUtil.AnnotationFieldFlag; + var AnnotationFlag = sharedUtil.AnnotationFlag; + var AnnotationType = sharedUtil.AnnotationType; + var OPS = sharedUtil.OPS; + var Util = sharedUtil.Util; + var isString = sharedUtil.isString; + var isArray = sharedUtil.isArray; + var isInt = sharedUtil.isInt; + var stringToBytes = sharedUtil.stringToBytes; + var stringToPDFString = sharedUtil.stringToPDFString; + var warn = sharedUtil.warn; + var Dict = corePrimitives.Dict; + var isDict = corePrimitives.isDict; + var isName = corePrimitives.isName; + var isRef = corePrimitives.isRef; + var Stream = coreStream.Stream; + var ColorSpace = coreColorSpace.ColorSpace; + var Catalog = coreObj.Catalog; + var ObjectLoader = coreObj.ObjectLoader; + var FileSpec = coreObj.FileSpec; + var OperatorList = coreEvaluator.OperatorList; + /** + * @class + * @alias AnnotationFactory + */ + function AnnotationFactory() { + } + AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ + { + /** + * @param {XRef} xref + * @param {Object} ref + * @param {PDFManager} pdfManager + * @param {string} uniquePrefix + * @param {Object} idCounters + * @returns {Annotation} + */ + create: function AnnotationFactory_create(xref, ref, pdfManager, uniquePrefix, idCounters) { + var dict = xref.fetchIfRef(ref); + if (!isDict(dict)) { + return; + } + var id = isRef(ref) ? ref.toString() : 'annot_' + (uniquePrefix || '') + ++idCounters.obj; + // Determine the annotation's subtype. + var subtype = dict.get('Subtype'); + subtype = isName(subtype) ? subtype.name : null; + // Return the right annotation object based on the subtype and field type. + var parameters = { + xref: xref, + dict: dict, + ref: isRef(ref) ? ref : null, + subtype: subtype, + id: id, + pdfManager: pdfManager + }; + switch (subtype) { + case 'Link': + return new LinkAnnotation(parameters); + case 'Text': + return new TextAnnotation(parameters); + case 'Widget': + var fieldType = Util.getInheritableProperty(dict, 'FT'); + fieldType = isName(fieldType) ? fieldType.name : null; + switch (fieldType) { + case 'Tx': + return new TextWidgetAnnotation(parameters); + case 'Ch': + return new ChoiceWidgetAnnotation(parameters); + } + warn('Unimplemented widget field type "' + fieldType + '", ' + 'falling back to base field type.'); + return new WidgetAnnotation(parameters); + case 'Popup': + return new PopupAnnotation(parameters); + case 'Highlight': + return new HighlightAnnotation(parameters); + case 'Underline': + return new UnderlineAnnotation(parameters); + case 'Squiggly': + return new SquigglyAnnotation(parameters); + case 'StrikeOut': + return new StrikeOutAnnotation(parameters); + case 'FileAttachment': + return new FileAttachmentAnnotation(parameters); + default: + if (!subtype) { + warn('Annotation is missing the required /Subtype.'); + } else { + warn('Unimplemented annotation type "' + subtype + '", ' + 'falling back to base annotation.'); + } + return new Annotation(parameters); + } + } + }; + var Annotation = function AnnotationClosure() { + // 12.5.5: Algorithm: Appearance streams + function getTransformMatrix(rect, bbox, matrix) { + var bounds = Util.getAxialAlignedBoundingBox(bbox, matrix); + var minX = bounds[0]; + var minY = bounds[1]; + var maxX = bounds[2]; + var maxY = bounds[3]; + if (minX === maxX || minY === maxY) { + // From real-life file, bbox was [0, 0, 0, 0]. In this case, + // just apply the transform for rect + return [ + 1, + 0, + 0, + 1, + rect[0], + rect[1] + ]; + } + var xRatio = (rect[2] - rect[0]) / (maxX - minX); + var yRatio = (rect[3] - rect[1]) / (maxY - minY); + return [ + xRatio, + 0, + 0, + yRatio, + rect[0] - minX * xRatio, + rect[1] - minY * yRatio + ]; + } + function getDefaultAppearance(dict) { + var appearanceState = dict.get('AP'); + if (!isDict(appearanceState)) { + return; + } + var appearance; + var appearances = appearanceState.get('N'); + if (isDict(appearances)) { + var as = dict.get('AS'); + if (as && appearances.has(as.name)) { + appearance = appearances.get(as.name); + } + } else { + appearance = appearances; + } + return appearance; + } + function Annotation(params) { + var dict = params.dict; + this.setFlags(dict.get('F')); + this.setRectangle(dict.getArray('Rect')); + this.setColor(dict.getArray('C')); + this.setBorderStyle(dict); + this.appearance = getDefaultAppearance(dict); + // Expose public properties using a data object. + this.data = {}; + this.data.id = params.id; + this.data.subtype = params.subtype; + this.data.annotationFlags = this.flags; + this.data.rect = this.rectangle; + this.data.color = this.color; + this.data.borderStyle = this.borderStyle; + this.data.hasAppearance = !!this.appearance; + } + Annotation.prototype = { + /** + * @private + */ + _hasFlag: function Annotation_hasFlag(flags, flag) { + return !!(flags & flag); + }, + /** + * @private + */ + _isViewable: function Annotation_isViewable(flags) { + return !this._hasFlag(flags, AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, AnnotationFlag.HIDDEN) && !this._hasFlag(flags, AnnotationFlag.NOVIEW); + }, + /** + * @private + */ + _isPrintable: function AnnotationFlag_isPrintable(flags) { + return this._hasFlag(flags, AnnotationFlag.PRINT) && !this._hasFlag(flags, AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, AnnotationFlag.HIDDEN); + }, + /** + * @return {boolean} + */ + get viewable() { + if (this.flags === 0) { + return true; + } + return this._isViewable(this.flags); + }, + /** + * @return {boolean} + */ + get printable() { + if (this.flags === 0) { + return false; + } + return this._isPrintable(this.flags); + }, + /** + * Set the flags. + * + * @public + * @memberof Annotation + * @param {number} flags - Unsigned 32-bit integer specifying annotation + * characteristics + * @see {@link shared/util.js} + */ + setFlags: function Annotation_setFlags(flags) { + this.flags = isInt(flags) && flags > 0 ? flags : 0; + }, + /** + * Check if a provided flag is set. + * + * @public + * @memberof Annotation + * @param {number} flag - Hexadecimal representation for an annotation + * characteristic + * @return {boolean} + * @see {@link shared/util.js} + */ + hasFlag: function Annotation_hasFlag(flag) { + return this._hasFlag(this.flags, flag); + }, + /** + * Set the rectangle. + * + * @public + * @memberof Annotation + * @param {Array} rectangle - The rectangle array with exactly four entries + */ + setRectangle: function Annotation_setRectangle(rectangle) { + if (isArray(rectangle) && rectangle.length === 4) { + this.rectangle = Util.normalizeRect(rectangle); + } else { + this.rectangle = [ + 0, + 0, + 0, + 0 + ]; + } + }, + /** + * Set the color and take care of color space conversion. + * + * @public + * @memberof Annotation + * @param {Array} color - The color array containing either 0 + * (transparent), 1 (grayscale), 3 (RGB) or + * 4 (CMYK) elements + */ + setColor: function Annotation_setColor(color) { + var rgbColor = new Uint8Array(3); + // Black in RGB color space (default) + if (!isArray(color)) { + this.color = rgbColor; + return; + } + switch (color.length) { + case 0: + // Transparent, which we indicate with a null value + this.color = null; + break; + case 1: + // Convert grayscale to RGB + ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + case 3: + // Convert RGB percentages to RGB + ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + case 4: + // Convert CMYK to RGB + ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + default: + this.color = rgbColor; + break; + } + }, + /** + * Set the border style (as AnnotationBorderStyle object). + * + * @public + * @memberof Annotation + * @param {Dict} borderStyle - The border style dictionary + */ + setBorderStyle: function Annotation_setBorderStyle(borderStyle) { + this.borderStyle = new AnnotationBorderStyle(); + if (!isDict(borderStyle)) { + return; + } + if (borderStyle.has('BS')) { + var dict = borderStyle.get('BS'); + var dictType = dict.get('Type'); + if (!dictType || isName(dictType, 'Border')) { + this.borderStyle.setWidth(dict.get('W')); + this.borderStyle.setStyle(dict.get('S')); + this.borderStyle.setDashArray(dict.getArray('D')); + } + } else if (borderStyle.has('Border')) { + var array = borderStyle.getArray('Border'); + if (isArray(array) && array.length >= 3) { + this.borderStyle.setHorizontalCornerRadius(array[0]); + this.borderStyle.setVerticalCornerRadius(array[1]); + this.borderStyle.setWidth(array[2]); + if (array.length === 4) { + // Dash array available + this.borderStyle.setDashArray(array[3]); + } + } + } else { + // There are no border entries in the dictionary. According to the + // specification, we should draw a solid border of width 1 in that + // case, but Adobe Reader did not implement that part of the + // specification and instead draws no border at all, so we do the same. + // See also https://github.com/mozilla/pdf.js/issues/6179. + this.borderStyle.setWidth(0); + } + }, + /** + * Prepare the annotation for working with a popup in the display layer. + * + * @private + * @memberof Annotation + * @param {Dict} dict - The annotation's data dictionary + */ + _preparePopup: function Annotation_preparePopup(dict) { + if (!dict.has('C')) { + // Fall back to the default background color. + this.data.color = null; + } + this.data.hasPopup = dict.has('Popup'); + this.data.title = stringToPDFString(dict.get('T') || ''); + this.data.contents = stringToPDFString(dict.get('Contents') || ''); + }, + loadResources: function Annotation_loadResources(keys) { + return new Promise(function (resolve, reject) { + this.appearance.dict.getAsync('Resources').then(function (resources) { + if (!resources) { + resolve(); + return; + } + var objectLoader = new ObjectLoader(resources.map, keys, resources.xref); + objectLoader.load().then(function () { + resolve(resources); + }, reject); + }, reject); + }.bind(this)); + }, + getOperatorList: function Annotation_getOperatorList(evaluator, task, renderForms) { + if (!this.appearance) { + return Promise.resolve(new OperatorList()); + } + var data = this.data; + var appearanceDict = this.appearance.dict; + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'ColorSpace', + 'Pattern', + 'Shading', + 'XObject', + 'Font' + ]); + // ProcSet + // Properties + var bbox = appearanceDict.getArray('BBox') || [ + 0, + 0, + 1, + 1 + ]; + var matrix = appearanceDict.getArray('Matrix') || [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + var transform = getTransformMatrix(data.rect, bbox, matrix); + var self = this; + return resourcesPromise.then(function (resources) { + var opList = new OperatorList(); + opList.addOp(OPS.beginAnnotation, [ + data.rect, + transform, + matrix + ]); + return evaluator.getOperatorList(self.appearance, task, resources, opList).then(function () { + opList.addOp(OPS.endAnnotation, []); + self.appearance.reset(); + return opList; + }); + }); + } + }; + Annotation.appendToOperatorList = function Annotation_appendToOperatorList(annotations, opList, partialEvaluator, task, intent, renderForms) { + var annotationPromises = []; + for (var i = 0, n = annotations.length; i < n; ++i) { + if (intent === 'display' && annotations[i].viewable || intent === 'print' && annotations[i].printable) { + annotationPromises.push(annotations[i].getOperatorList(partialEvaluator, task, renderForms)); + } + } + return Promise.all(annotationPromises).then(function (operatorLists) { + opList.addOp(OPS.beginAnnotations, []); + for (var i = 0, n = operatorLists.length; i < n; ++i) { + opList.addOpList(operatorLists[i]); + } + opList.addOp(OPS.endAnnotations, []); + }); + }; + return Annotation; + }(); + /** + * Contains all data regarding an annotation's border style. + * + * @class + */ + var AnnotationBorderStyle = function AnnotationBorderStyleClosure() { + /** + * @constructor + * @private + */ + function AnnotationBorderStyle() { + this.width = 1; + this.style = AnnotationBorderStyleType.SOLID; + this.dashArray = [3]; + this.horizontalCornerRadius = 0; + this.verticalCornerRadius = 0; + } + AnnotationBorderStyle.prototype = { + /** + * Set the width. + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} width - The width + */ + setWidth: function AnnotationBorderStyle_setWidth(width) { + if (width === (width | 0)) { + this.width = width; + } + }, + /** + * Set the style. + * + * @public + * @memberof AnnotationBorderStyle + * @param {Object} style - The style object + * @see {@link shared/util.js} + */ + setStyle: function AnnotationBorderStyle_setStyle(style) { + if (!style) { + return; + } + switch (style.name) { + case 'S': + this.style = AnnotationBorderStyleType.SOLID; + break; + case 'D': + this.style = AnnotationBorderStyleType.DASHED; + break; + case 'B': + this.style = AnnotationBorderStyleType.BEVELED; + break; + case 'I': + this.style = AnnotationBorderStyleType.INSET; + break; + case 'U': + this.style = AnnotationBorderStyleType.UNDERLINE; + break; + default: + break; + } + }, + /** + * Set the dash array. + * + * @public + * @memberof AnnotationBorderStyle + * @param {Array} dashArray - The dash array with at least one element + */ + setDashArray: function AnnotationBorderStyle_setDashArray(dashArray) { + // We validate the dash array, but we do not use it because CSS does not + // allow us to change spacing of dashes. For more information, visit + // http://www.w3.org/TR/css3-background/#the-border-style. + if (isArray(dashArray) && dashArray.length > 0) { + // According to the PDF specification: the elements in a dashArray + // shall be numbers that are nonnegative and not all equal to zero. + var isValid = true; + var allZeros = true; + for (var i = 0, len = dashArray.length; i < len; i++) { + var element = dashArray[i]; + var validNumber = +element >= 0; + if (!validNumber) { + isValid = false; + break; + } else if (element > 0) { + allZeros = false; + } + } + if (isValid && !allZeros) { + this.dashArray = dashArray; + } else { + this.width = 0; + } + } else // Adobe behavior when the array is invalid. + if (dashArray) { + this.width = 0; + } + }, + // Adobe behavior when the array is invalid. + /** + * Set the horizontal corner radius (from a Border dictionary). + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} radius - The horizontal corner radius + */ + setHorizontalCornerRadius: function AnnotationBorderStyle_setHorizontalCornerRadius(radius) { + if (radius === (radius | 0)) { + this.horizontalCornerRadius = radius; + } + }, + /** + * Set the vertical corner radius (from a Border dictionary). + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} radius - The vertical corner radius + */ + setVerticalCornerRadius: function AnnotationBorderStyle_setVerticalCornerRadius(radius) { + if (radius === (radius | 0)) { + this.verticalCornerRadius = radius; + } + } + }; + return AnnotationBorderStyle; + }(); + var WidgetAnnotation = function WidgetAnnotationClosure() { + function WidgetAnnotation(params) { + Annotation.call(this, params); + var dict = params.dict; + var data = this.data; + data.annotationType = AnnotationType.WIDGET; + data.fieldName = this._constructFieldName(dict); + data.fieldValue = Util.getInheritableProperty(dict, 'V', /* getArray = */ + true); + data.alternativeText = stringToPDFString(dict.get('TU') || ''); + data.defaultAppearance = Util.getInheritableProperty(dict, 'DA') || ''; + var fieldType = Util.getInheritableProperty(dict, 'FT'); + data.fieldType = isName(fieldType) ? fieldType.name : null; + this.fieldResources = Util.getInheritableProperty(dict, 'DR') || Dict.empty; + data.fieldFlags = Util.getInheritableProperty(dict, 'Ff'); + if (!isInt(data.fieldFlags) || data.fieldFlags < 0) { + data.fieldFlags = 0; + } + data.readOnly = this.hasFieldFlag(AnnotationFieldFlag.READONLY); + // Hide signatures because we cannot validate them. + if (data.fieldType === 'Sig') { + this.setFlags(AnnotationFlag.HIDDEN); + } + } + Util.inherit(WidgetAnnotation, Annotation, { + /** + * Construct the (fully qualified) field name from the (partial) field + * names of the field and its ancestors. + * + * @private + * @memberof WidgetAnnotation + * @param {Dict} dict - Complete widget annotation dictionary + * @return {string} + */ + _constructFieldName: function WidgetAnnotation_constructFieldName(dict) { + // Both the `Parent` and `T` fields are optional. While at least one of + // them should be provided, bad PDF generators may fail to do so. + if (!dict.has('T') && !dict.has('Parent')) { + warn('Unknown field name, falling back to empty field name.'); + return ''; + } + // If no parent exists, the partial and fully qualified names are equal. + if (!dict.has('Parent')) { + return stringToPDFString(dict.get('T')); + } + // Form the fully qualified field name by appending the partial name to + // the parent's fully qualified name, separated by a period. + var fieldName = []; + if (dict.has('T')) { + fieldName.unshift(stringToPDFString(dict.get('T'))); + } + var loopDict = dict; + while (loopDict.has('Parent')) { + loopDict = loopDict.get('Parent'); + if (loopDict.has('T')) { + fieldName.unshift(stringToPDFString(loopDict.get('T'))); + } + } + return fieldName.join('.'); + }, + /** + * Check if a provided field flag is set. + * + * @public + * @memberof WidgetAnnotation + * @param {number} flag - Hexadecimal representation for an annotation + * field characteristic + * @return {boolean} + * @see {@link shared/util.js} + */ + hasFieldFlag: function WidgetAnnotation_hasFieldFlag(flag) { + return !!(this.data.fieldFlags & flag); + } + }); + return WidgetAnnotation; + }(); + var TextWidgetAnnotation = function TextWidgetAnnotationClosure() { + function TextWidgetAnnotation(params) { + WidgetAnnotation.call(this, params); + // The field value is always a string. + this.data.fieldValue = stringToPDFString(this.data.fieldValue || ''); + // Determine the alignment of text in the field. + var alignment = Util.getInheritableProperty(params.dict, 'Q'); + if (!isInt(alignment) || alignment < 0 || alignment > 2) { + alignment = null; + } + this.data.textAlignment = alignment; + // Determine the maximum length of text in the field. + var maximumLength = Util.getInheritableProperty(params.dict, 'MaxLen'); + if (!isInt(maximumLength) || maximumLength < 0) { + maximumLength = null; + } + this.data.maxLen = maximumLength; + // Process field flags for the display layer. + this.data.multiLine = this.hasFieldFlag(AnnotationFieldFlag.MULTILINE); + this.data.comb = this.hasFieldFlag(AnnotationFieldFlag.COMB) && !this.hasFieldFlag(AnnotationFieldFlag.MULTILINE) && !this.hasFieldFlag(AnnotationFieldFlag.PASSWORD) && !this.hasFieldFlag(AnnotationFieldFlag.FILESELECT) && this.data.maxLen !== null; + } + Util.inherit(TextWidgetAnnotation, WidgetAnnotation, { + getOperatorList: function TextWidgetAnnotation_getOperatorList(evaluator, task, renderForms) { + var operatorList = new OperatorList(); + // Do not render form elements on the canvas when interactive forms are + // enabled. The display layer is responsible for rendering them instead. + if (renderForms) { + return Promise.resolve(operatorList); + } + if (this.appearance) { + return Annotation.prototype.getOperatorList.call(this, evaluator, task, renderForms); + } + // Even if there is an appearance stream, ignore it. This is the + // behaviour used by Adobe Reader. + if (!this.data.defaultAppearance) { + return Promise.resolve(operatorList); + } + var stream = new Stream(stringToBytes(this.data.defaultAppearance)); + return evaluator.getOperatorList(stream, task, this.fieldResources, operatorList).then(function () { + return operatorList; + }); + } + }); + return TextWidgetAnnotation; + }(); + var ChoiceWidgetAnnotation = function ChoiceWidgetAnnotationClosure() { + function ChoiceWidgetAnnotation(params) { + WidgetAnnotation.call(this, params); + // Determine the options. The options array may consist of strings or + // arrays. If the array consists of arrays, then the first element of + // each array is the export value and the second element of each array is + // the display value. If the array consists of strings, then these + // represent both the export and display value. In this case, we convert + // it to an array of arrays as well for convenience in the display layer. + this.data.options = []; + var options = params.dict.getArray('Opt'); + if (isArray(options)) { + for (var i = 0, ii = options.length; i < ii; i++) { + var option = options[i]; + this.data.options[i] = { + exportValue: isArray(option) ? option[0] : option, + displayValue: isArray(option) ? option[1] : option + }; + } + } + // Determine the field value. In this case, it may be a string or an + // array of strings. For convenience in the display layer, convert the + // string to an array of one string as well. + if (!isArray(this.data.fieldValue)) { + this.data.fieldValue = [this.data.fieldValue]; + } + // Process field flags for the display layer. + this.data.combo = this.hasFieldFlag(AnnotationFieldFlag.COMBO); + this.data.multiSelect = this.hasFieldFlag(AnnotationFieldFlag.MULTISELECT); + } + Util.inherit(ChoiceWidgetAnnotation, WidgetAnnotation, { + getOperatorList: function ChoiceWidgetAnnotation_getOperatorList(evaluator, task, renderForms) { + var operatorList = new OperatorList(); + // Do not render form elements on the canvas when interactive forms are + // enabled. The display layer is responsible for rendering them instead. + if (renderForms) { + return Promise.resolve(operatorList); + } + return Annotation.prototype.getOperatorList.call(this, evaluator, task, renderForms); + } + }); + return ChoiceWidgetAnnotation; + }(); + var TextAnnotation = function TextAnnotationClosure() { + var DEFAULT_ICON_SIZE = 22; + // px + function TextAnnotation(parameters) { + Annotation.call(this, parameters); + this.data.annotationType = AnnotationType.TEXT; + if (this.data.hasAppearance) { + this.data.name = 'NoIcon'; + } else { + this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE; + this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE; + this.data.name = parameters.dict.has('Name') ? parameters.dict.get('Name').name : 'Note'; + } + this._preparePopup(parameters.dict); + } + Util.inherit(TextAnnotation, Annotation, {}); + return TextAnnotation; + }(); + var LinkAnnotation = function LinkAnnotationClosure() { + function LinkAnnotation(params) { + Annotation.call(this, params); + var data = this.data; + data.annotationType = AnnotationType.LINK; + Catalog.parseDestDictionary({ + destDict: params.dict, + resultObj: data, + docBaseUrl: params.pdfManager.docBaseUrl + }); + } + Util.inherit(LinkAnnotation, Annotation, {}); + return LinkAnnotation; + }(); + var PopupAnnotation = function PopupAnnotationClosure() { + function PopupAnnotation(parameters) { + Annotation.call(this, parameters); + this.data.annotationType = AnnotationType.POPUP; + var dict = parameters.dict; + var parentItem = dict.get('Parent'); + if (!parentItem) { + warn('Popup annotation has a missing or invalid parent annotation.'); + return; + } + this.data.parentId = dict.getRaw('Parent').toString(); + this.data.title = stringToPDFString(parentItem.get('T') || ''); + this.data.contents = stringToPDFString(parentItem.get('Contents') || ''); + if (!parentItem.has('C')) { + // Fall back to the default background color. + this.data.color = null; + } else { + this.setColor(parentItem.getArray('C')); + this.data.color = this.color; + } + // If the Popup annotation is not viewable, but the parent annotation is, + // that is most likely a bug. Fallback to inherit the flags from the parent + // annotation (this is consistent with the behaviour in Adobe Reader). + if (!this.viewable) { + var parentFlags = parentItem.get('F'); + if (this._isViewable(parentFlags)) { + this.setFlags(parentFlags); + } + } + } + Util.inherit(PopupAnnotation, Annotation, {}); + return PopupAnnotation; + }(); + var HighlightAnnotation = function HighlightAnnotationClosure() { + function HighlightAnnotation(parameters) { + Annotation.call(this, parameters); + this.data.annotationType = AnnotationType.HIGHLIGHT; + this._preparePopup(parameters.dict); + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + Util.inherit(HighlightAnnotation, Annotation, {}); + return HighlightAnnotation; + }(); + var UnderlineAnnotation = function UnderlineAnnotationClosure() { + function UnderlineAnnotation(parameters) { + Annotation.call(this, parameters); + this.data.annotationType = AnnotationType.UNDERLINE; + this._preparePopup(parameters.dict); + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + Util.inherit(UnderlineAnnotation, Annotation, {}); + return UnderlineAnnotation; + }(); + var SquigglyAnnotation = function SquigglyAnnotationClosure() { + function SquigglyAnnotation(parameters) { + Annotation.call(this, parameters); + this.data.annotationType = AnnotationType.SQUIGGLY; + this._preparePopup(parameters.dict); + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + Util.inherit(SquigglyAnnotation, Annotation, {}); + return SquigglyAnnotation; + }(); + var StrikeOutAnnotation = function StrikeOutAnnotationClosure() { + function StrikeOutAnnotation(parameters) { + Annotation.call(this, parameters); + this.data.annotationType = AnnotationType.STRIKEOUT; + this._preparePopup(parameters.dict); + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + Util.inherit(StrikeOutAnnotation, Annotation, {}); + return StrikeOutAnnotation; + }(); + var FileAttachmentAnnotation = function FileAttachmentAnnotationClosure() { + function FileAttachmentAnnotation(parameters) { + Annotation.call(this, parameters); + var file = new FileSpec(parameters.dict.get('FS'), parameters.xref); + this.data.annotationType = AnnotationType.FILEATTACHMENT; + this.data.file = file.serializable; + this._preparePopup(parameters.dict); + } + Util.inherit(FileAttachmentAnnotation, Annotation, {}); + return FileAttachmentAnnotation; + }(); + exports.Annotation = Annotation; + exports.AnnotationBorderStyle = AnnotationBorderStyle; + exports.AnnotationFactory = AnnotationFactory; + })); + (function (root, factory) { + factory(root.pdfjsCoreDocument = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreObj, root.pdfjsCoreParser, root.pdfjsCoreCrypto, root.pdfjsCoreEvaluator, root.pdfjsCoreAnnotation); + }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreObj, coreParser, coreCrypto, coreEvaluator, coreAnnotation) { + var MissingDataException = sharedUtil.MissingDataException; + var Util = sharedUtil.Util; + var assert = sharedUtil.assert; + var error = sharedUtil.error; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var isArrayBuffer = sharedUtil.isArrayBuffer; + var isString = sharedUtil.isString; + var shadow = sharedUtil.shadow; + var stringToBytes = sharedUtil.stringToBytes; + var stringToPDFString = sharedUtil.stringToPDFString; + var warn = sharedUtil.warn; + var isSpace = sharedUtil.isSpace; + var Dict = corePrimitives.Dict; + var isDict = corePrimitives.isDict; + var isName = corePrimitives.isName; + var isStream = corePrimitives.isStream; + var NullStream = coreStream.NullStream; + var Stream = coreStream.Stream; + var StreamsSequenceStream = coreStream.StreamsSequenceStream; + var Catalog = coreObj.Catalog; + var ObjectLoader = coreObj.ObjectLoader; + var XRef = coreObj.XRef; + var Linearization = coreParser.Linearization; + var calculateMD5 = coreCrypto.calculateMD5; + var OperatorList = coreEvaluator.OperatorList; + var PartialEvaluator = coreEvaluator.PartialEvaluator; + var Annotation = coreAnnotation.Annotation; + var AnnotationFactory = coreAnnotation.AnnotationFactory; + var Page = function PageClosure() { + var LETTER_SIZE_MEDIABOX = [ + 0, + 0, + 612, + 792 + ]; + function Page(pdfManager, xref, pageIndex, pageDict, ref, fontCache) { + this.pdfManager = pdfManager; + this.pageIndex = pageIndex; + this.pageDict = pageDict; + this.xref = xref; + this.ref = ref; + this.fontCache = fontCache; + this.uniquePrefix = 'p' + this.pageIndex + '_'; + this.idCounters = { obj: 0 }; + this.evaluatorOptions = pdfManager.evaluatorOptions; + this.resourcesPromise = null; + } + Page.prototype = { + getPageProp: function Page_getPageProp(key) { + return this.pageDict.get(key); + }, + getInheritedPageProp: function Page_getInheritedPageProp(key) { + var dict = this.pageDict, valueArray = null, loopCount = 0; + var MAX_LOOP_COUNT = 100; + // Always walk up the entire parent chain, to be able to find + // e.g. \Resources placed on multiple levels of the tree. + while (dict) { + var value = dict.get(key); + if (value) { + if (!valueArray) { + valueArray = []; + } + valueArray.push(value); + } + if (++loopCount > MAX_LOOP_COUNT) { + warn('Page_getInheritedPageProp: maximum loop count exceeded.'); + break; + } + dict = dict.get('Parent'); + } + if (!valueArray) { + return Dict.empty; + } + if (valueArray.length === 1 || !isDict(valueArray[0]) || loopCount > MAX_LOOP_COUNT) { + return valueArray[0]; + } + return Dict.merge(this.xref, valueArray); + }, + get content() { + return this.getPageProp('Contents'); + }, + get resources() { + // For robustness: The spec states that a \Resources entry has to be + // present, but can be empty. Some document omit it still, in this case + // we return an empty dictionary. + return shadow(this, 'resources', this.getInheritedPageProp('Resources')); + }, + get mediaBox() { + var obj = this.getInheritedPageProp('MediaBox'); + // Reset invalid media box to letter size. + if (!isArray(obj) || obj.length !== 4) { + obj = LETTER_SIZE_MEDIABOX; + } + return shadow(this, 'mediaBox', obj); + }, + get view() { + var mediaBox = this.mediaBox; + var cropBox = this.getInheritedPageProp('CropBox'); + if (!isArray(cropBox) || cropBox.length !== 4) { + return shadow(this, 'view', mediaBox); + } + // From the spec, 6th ed., p.963: + // "The crop, bleed, trim, and art boxes should not ordinarily + // extend beyond the boundaries of the media box. If they do, they are + // effectively reduced to their intersection with the media box." + cropBox = Util.intersect(cropBox, mediaBox); + if (!cropBox) { + return shadow(this, 'view', mediaBox); + } + return shadow(this, 'view', cropBox); + }, + get rotate() { + var rotate = this.getInheritedPageProp('Rotate') || 0; + // Normalize rotation so it's a multiple of 90 and between 0 and 270 + if (rotate % 90 !== 0) { + rotate = 0; + } else if (rotate >= 360) { + rotate = rotate % 360; + } else if (rotate < 0) { + // The spec doesn't cover negatives, assume its counterclockwise + // rotation. The following is the other implementation of modulo. + rotate = (rotate % 360 + 360) % 360; + } + return shadow(this, 'rotate', rotate); + }, + getContentStream: function Page_getContentStream() { + var content = this.content; + var stream; + if (isArray(content)) { + // fetching items + var xref = this.xref; + var i, n = content.length; + var streams = []; + for (i = 0; i < n; ++i) { + streams.push(xref.fetchIfRef(content[i])); + } + stream = new StreamsSequenceStream(streams); + } else if (isStream(content)) { + stream = content; + } else { + // replacing non-existent page content with empty one + stream = new NullStream(); + } + return stream; + }, + loadResources: function Page_loadResources(keys) { + if (!this.resourcesPromise) { + // TODO: add async getInheritedPageProp and remove this. + this.resourcesPromise = this.pdfManager.ensure(this, 'resources'); + } + return this.resourcesPromise.then(function resourceSuccess() { + var objectLoader = new ObjectLoader(this.resources.map, keys, this.xref); + return objectLoader.load(); + }.bind(this)); + }, + getOperatorList: function Page_getOperatorList(handler, task, intent, renderInteractiveForms) { + var self = this; + var pdfManager = this.pdfManager; + var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', []); + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'ColorSpace', + 'Pattern', + 'Shading', + 'XObject', + 'Font' + ]); + // ProcSet + // Properties + var partialEvaluator = new PartialEvaluator(pdfManager, this.xref, handler, this.pageIndex, this.uniquePrefix, this.idCounters, this.fontCache, this.evaluatorOptions); + var dataPromises = Promise.all([ + contentStreamPromise, + resourcesPromise + ]); + var pageListPromise = dataPromises.then(function (data) { + var contentStream = data[0]; + var opList = new OperatorList(intent, handler, self.pageIndex); + handler.send('StartRenderPage', { + transparency: partialEvaluator.hasBlendModes(self.resources), + pageIndex: self.pageIndex, + intent: intent + }); + return partialEvaluator.getOperatorList(contentStream, task, self.resources, opList).then(function () { + return opList; + }); + }); + var annotationsPromise = pdfManager.ensure(this, 'annotations'); + return Promise.all([ + pageListPromise, + annotationsPromise + ]).then(function (datas) { + var pageOpList = datas[0]; + var annotations = datas[1]; + if (annotations.length === 0) { + pageOpList.flush(true); + return pageOpList; + } + var annotationsReadyPromise = Annotation.appendToOperatorList(annotations, pageOpList, partialEvaluator, task, intent, renderInteractiveForms); + return annotationsReadyPromise.then(function () { + pageOpList.flush(true); + return pageOpList; + }); + }); + }, + extractTextContent: function Page_extractTextContent(task, normalizeWhitespace, combineTextItems) { + var handler = { + on: function nullHandlerOn() { + }, + send: function nullHandlerSend() { + } + }; + var self = this; + var pdfManager = this.pdfManager; + var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', []); + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'XObject', + 'Font' + ]); + var dataPromises = Promise.all([ + contentStreamPromise, + resourcesPromise + ]); + return dataPromises.then(function (data) { + var contentStream = data[0]; + var partialEvaluator = new PartialEvaluator(pdfManager, self.xref, handler, self.pageIndex, self.uniquePrefix, self.idCounters, self.fontCache, self.evaluatorOptions); + return partialEvaluator.getTextContent(contentStream, task, self.resources, /* stateManager = */ + null, normalizeWhitespace, combineTextItems); + }); + }, + getAnnotationsData: function Page_getAnnotationsData(intent) { + var annotations = this.annotations; + var annotationsData = []; + for (var i = 0, n = annotations.length; i < n; ++i) { + if (intent) { + if (!(intent === 'display' && annotations[i].viewable) && !(intent === 'print' && annotations[i].printable)) { + continue; + } + } + annotationsData.push(annotations[i].data); + } + return annotationsData; + }, + get annotations() { + var annotations = []; + var annotationRefs = this.getInheritedPageProp('Annots') || []; + var annotationFactory = new AnnotationFactory(); + for (var i = 0, n = annotationRefs.length; i < n; ++i) { + var annotationRef = annotationRefs[i]; + var annotation = annotationFactory.create(this.xref, annotationRef, this.pdfManager, this.uniquePrefix, this.idCounters); + if (annotation) { + annotations.push(annotation); + } + } + return shadow(this, 'annotations', annotations); + } + }; + return Page; + }(); + /** + * The `PDFDocument` holds all the data of the PDF file. Compared to the + * `PDFDoc`, this one doesn't have any job management code. + * Right now there exists one PDFDocument on the main thread + one object + * for each worker. If there is no worker support enabled, there are two + * `PDFDocument` objects on the main thread created. + */ + var PDFDocument = function PDFDocumentClosure() { + var FINGERPRINT_FIRST_BYTES = 1024; + var EMPTY_FINGERPRINT = '\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00'; + function PDFDocument(pdfManager, arg, password) { + if (isStream(arg)) { + init.call(this, pdfManager, arg, password); + } else if (isArrayBuffer(arg)) { + init.call(this, pdfManager, new Stream(arg), password); + } else { + error('PDFDocument: Unknown argument type'); + } + } + function init(pdfManager, stream, password) { + assert(stream.length > 0, 'stream must have data'); + this.pdfManager = pdfManager; + this.stream = stream; + var xref = new XRef(this.stream, password, pdfManager); + this.xref = xref; + } + function find(stream, needle, limit, backwards) { + var pos = stream.pos; + var end = stream.end; + var strBuf = []; + if (pos + limit > end) { + limit = end - pos; + } + for (var n = 0; n < limit; ++n) { + strBuf.push(String.fromCharCode(stream.getByte())); + } + var str = strBuf.join(''); + stream.pos = pos; + var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle); + if (index === -1) { + return false; + } + /* not found */ + stream.pos += index; + return true; + } + /* found */ + var DocumentInfoValidators = { + get entries() { + // Lazily build this since all the validation functions below are not + // defined until after this file loads. + return shadow(this, 'entries', { + Title: isString, + Author: isString, + Subject: isString, + Keywords: isString, + Creator: isString, + Producer: isString, + CreationDate: isString, + ModDate: isString, + Trapped: isName + }); + } + }; + PDFDocument.prototype = { + parse: function PDFDocument_parse(recoveryMode) { + this.setup(recoveryMode); + var version = this.catalog.catDict.get('Version'); + if (isName(version)) { + this.pdfFormatVersion = version.name; + } + try { + // checking if AcroForm is present + this.acroForm = this.catalog.catDict.get('AcroForm'); + if (this.acroForm) { + this.xfa = this.acroForm.get('XFA'); + var fields = this.acroForm.get('Fields'); + if ((!fields || !isArray(fields) || fields.length === 0) && !this.xfa) { + // no fields and no XFA -- not a form (?) + this.acroForm = null; + } + } + } catch (ex) { + info('Something wrong with AcroForm entry'); + this.acroForm = null; + } + }, + get linearization() { + var linearization = null; + if (this.stream.length) { + try { + linearization = Linearization.create(this.stream); + } catch (err) { + if (err instanceof MissingDataException) { + throw err; + } + info(err); + } + } + // shadow the prototype getter with a data property + return shadow(this, 'linearization', linearization); + }, + get startXRef() { + var stream = this.stream; + var startXRef = 0; + var linearization = this.linearization; + if (linearization) { + // Find end of first obj. + stream.reset(); + if (find(stream, 'endobj', 1024)) { + startXRef = stream.pos + 6; + } + } else { + // Find startxref by jumping backward from the end of the file. + var step = 1024; + var found = false, pos = stream.end; + while (!found && pos > 0) { + pos -= step - 'startxref'.length; + if (pos < 0) { + pos = 0; + } + stream.pos = pos; + found = find(stream, 'startxref', step, true); + } + if (found) { + stream.skip(9); + var ch; + do { + ch = stream.getByte(); + } while (isSpace(ch)); + var str = ''; + while (ch >= 0x20 && ch <= 0x39) { + // < '9' + str += String.fromCharCode(ch); + ch = stream.getByte(); + } + startXRef = parseInt(str, 10); + if (isNaN(startXRef)) { + startXRef = 0; + } + } + } + // shadow the prototype getter with a data property + return shadow(this, 'startXRef', startXRef); + }, + get mainXRefEntriesOffset() { + var mainXRefEntriesOffset = 0; + var linearization = this.linearization; + if (linearization) { + mainXRefEntriesOffset = linearization.mainXRefEntriesOffset; + } + // shadow the prototype getter with a data property + return shadow(this, 'mainXRefEntriesOffset', mainXRefEntriesOffset); + }, + // Find the header, remove leading garbage and setup the stream + // starting from the header. + checkHeader: function PDFDocument_checkHeader() { + var stream = this.stream; + stream.reset(); + if (find(stream, '%PDF-', 1024)) { + // Found the header, trim off any garbage before it. + stream.moveStart(); + // Reading file format version + var MAX_VERSION_LENGTH = 12; + var version = '', ch; + while ((ch = stream.getByte()) > 0x20) { + // SPACE + if (version.length >= MAX_VERSION_LENGTH) { + break; + } + version += String.fromCharCode(ch); + } + if (!this.pdfFormatVersion) { + // removing "%PDF-"-prefix + this.pdfFormatVersion = version.substring(5); + } + return; + } + }, + // May not be a PDF file, continue anyway. + parseStartXRef: function PDFDocument_parseStartXRef() { + var startXRef = this.startXRef; + this.xref.setStartXRef(startXRef); + }, + setup: function PDFDocument_setup(recoveryMode) { + this.xref.parse(recoveryMode); + var self = this; + var pageFactory = { + createPage: function (pageIndex, dict, ref, fontCache) { + return new Page(self.pdfManager, self.xref, pageIndex, dict, ref, fontCache); + } + }; + this.catalog = new Catalog(this.pdfManager, this.xref, pageFactory); + }, + get numPages() { + var linearization = this.linearization; + var num = linearization ? linearization.numPages : this.catalog.numPages; + // shadow the prototype getter + return shadow(this, 'numPages', num); + }, + get documentInfo() { + var docInfo = { + PDFFormatVersion: this.pdfFormatVersion, + IsAcroFormPresent: !!this.acroForm, + IsXFAPresent: !!this.xfa + }; + var infoDict; + try { + infoDict = this.xref.trailer.get('Info'); + } catch (err) { + info('The document information dictionary is invalid.'); + } + if (infoDict) { + var validEntries = DocumentInfoValidators.entries; + // Only fill the document info with valid entries from the spec. + for (var key in validEntries) { + if (infoDict.has(key)) { + var value = infoDict.get(key); + // Make sure the value conforms to the spec. + if (validEntries[key](value)) { + docInfo[key] = typeof value !== 'string' ? value : stringToPDFString(value); + } else { + info('Bad value in document info for "' + key + '"'); + } + } + } + } + return shadow(this, 'documentInfo', docInfo); + }, + get fingerprint() { + var xref = this.xref, hash, fileID = ''; + var idArray = xref.trailer.get('ID'); + if (idArray && isArray(idArray) && idArray[0] && isString(idArray[0]) && idArray[0] !== EMPTY_FINGERPRINT) { + hash = stringToBytes(idArray[0]); + } else { + if (this.stream.ensureRange) { + this.stream.ensureRange(0, Math.min(FINGERPRINT_FIRST_BYTES, this.stream.end)); + } + hash = calculateMD5(this.stream.bytes.subarray(0, FINGERPRINT_FIRST_BYTES), 0, FINGERPRINT_FIRST_BYTES); + } + for (var i = 0, n = hash.length; i < n; i++) { + var hex = hash[i].toString(16); + fileID += hex.length === 1 ? '0' + hex : hex; + } + return shadow(this, 'fingerprint', fileID); + }, + getPage: function PDFDocument_getPage(pageIndex) { + return this.catalog.getPage(pageIndex); + }, + cleanup: function PDFDocument_cleanup() { + return this.catalog.cleanup(); + } + }; + return PDFDocument; + }(); + exports.Page = Page; + exports.PDFDocument = PDFDocument; + })); + (function (root, factory) { + factory(root.pdfjsCorePdfManager = {}, root.pdfjsSharedUtil, root.pdfjsCoreStream, root.pdfjsCoreChunkedStream, root.pdfjsCoreDocument); + }(this, function (exports, sharedUtil, coreStream, coreChunkedStream, coreDocument) { + var warn = sharedUtil.warn; + var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl; + var shadow = sharedUtil.shadow; + var NotImplementedException = sharedUtil.NotImplementedException; + var MissingDataException = sharedUtil.MissingDataException; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var Util = sharedUtil.Util; + var Stream = coreStream.Stream; + var ChunkedStreamManager = coreChunkedStream.ChunkedStreamManager; + var PDFDocument = coreDocument.PDFDocument; + var BasePdfManager = function BasePdfManagerClosure() { + function BasePdfManager() { + throw new Error('Cannot initialize BaseManagerManager'); + } + BasePdfManager.prototype = { + get docId() { + return this._docId; + }, + get docBaseUrl() { + var docBaseUrl = null; + if (this._docBaseUrl) { + var absoluteUrl = createValidAbsoluteUrl(this._docBaseUrl); + if (absoluteUrl) { + docBaseUrl = absoluteUrl.href; + } else { + warn('Invalid absolute docBaseUrl: "' + this._docBaseUrl + '".'); + } + } + return shadow(this, 'docBaseUrl', docBaseUrl); + }, + onLoadedStream: function BasePdfManager_onLoadedStream() { + throw new NotImplementedException(); + }, + ensureDoc: function BasePdfManager_ensureDoc(prop, args) { + return this.ensure(this.pdfDocument, prop, args); + }, + ensureXRef: function BasePdfManager_ensureXRef(prop, args) { + return this.ensure(this.pdfDocument.xref, prop, args); + }, + ensureCatalog: function BasePdfManager_ensureCatalog(prop, args) { + return this.ensure(this.pdfDocument.catalog, prop, args); + }, + getPage: function BasePdfManager_getPage(pageIndex) { + return this.pdfDocument.getPage(pageIndex); + }, + cleanup: function BasePdfManager_cleanup() { + return this.pdfDocument.cleanup(); + }, + ensure: function BasePdfManager_ensure(obj, prop, args) { + return new NotImplementedException(); + }, + requestRange: function BasePdfManager_requestRange(begin, end) { + return new NotImplementedException(); + }, + requestLoadedStream: function BasePdfManager_requestLoadedStream() { + return new NotImplementedException(); + }, + sendProgressiveData: function BasePdfManager_sendProgressiveData(chunk) { + return new NotImplementedException(); + }, + updatePassword: function BasePdfManager_updatePassword(password) { + this.pdfDocument.xref.password = this.password = password; + if (this._passwordChangedCapability) { + this._passwordChangedCapability.resolve(); + } + }, + passwordChanged: function BasePdfManager_passwordChanged() { + this._passwordChangedCapability = createPromiseCapability(); + return this._passwordChangedCapability.promise; + }, + terminate: function BasePdfManager_terminate() { + return new NotImplementedException(); + } + }; + return BasePdfManager; + }(); + var LocalPdfManager = function LocalPdfManagerClosure() { + function LocalPdfManager(docId, data, password, evaluatorOptions, docBaseUrl) { + this._docId = docId; + this._docBaseUrl = docBaseUrl; + this.evaluatorOptions = evaluatorOptions; + var stream = new Stream(data); + this.pdfDocument = new PDFDocument(this, stream, password); + this._loadedStreamCapability = createPromiseCapability(); + this._loadedStreamCapability.resolve(stream); + } + Util.inherit(LocalPdfManager, BasePdfManager, { + ensure: function LocalPdfManager_ensure(obj, prop, args) { + return new Promise(function (resolve, reject) { + try { + var value = obj[prop]; + var result; + if (typeof value === 'function') { + result = value.apply(obj, args); + } else { + result = value; + } + resolve(result); + } catch (e) { + reject(e); + } + }); + }, + requestRange: function LocalPdfManager_requestRange(begin, end) { + return Promise.resolve(); + }, + requestLoadedStream: function LocalPdfManager_requestLoadedStream() { + return; + }, + onLoadedStream: function LocalPdfManager_onLoadedStream() { + return this._loadedStreamCapability.promise; + }, + terminate: function LocalPdfManager_terminate() { + return; + } + }); + return LocalPdfManager; + }(); + var NetworkPdfManager = function NetworkPdfManagerClosure() { + function NetworkPdfManager(docId, pdfNetworkStream, args, evaluatorOptions, docBaseUrl) { + this._docId = docId; + this._docBaseUrl = docBaseUrl; + this.msgHandler = args.msgHandler; + this.evaluatorOptions = evaluatorOptions; + var params = { + msgHandler: args.msgHandler, + url: args.url, + length: args.length, + disableAutoFetch: args.disableAutoFetch, + rangeChunkSize: args.rangeChunkSize + }; + this.streamManager = new ChunkedStreamManager(pdfNetworkStream, params); + this.pdfDocument = new PDFDocument(this, this.streamManager.getStream(), args.password); + } + Util.inherit(NetworkPdfManager, BasePdfManager, { + ensure: function NetworkPdfManager_ensure(obj, prop, args) { + var pdfManager = this; + return new Promise(function (resolve, reject) { + function ensureHelper() { + try { + var result; + var value = obj[prop]; + if (typeof value === 'function') { + result = value.apply(obj, args); + } else { + result = value; + } + resolve(result); + } catch (e) { + if (!(e instanceof MissingDataException)) { + reject(e); + return; + } + pdfManager.streamManager.requestRange(e.begin, e.end).then(ensureHelper, reject); + } + } + ensureHelper(); + }); + }, + requestRange: function NetworkPdfManager_requestRange(begin, end) { + return this.streamManager.requestRange(begin, end); + }, + requestLoadedStream: function NetworkPdfManager_requestLoadedStream() { + this.streamManager.requestAllChunks(); + }, + sendProgressiveData: function NetworkPdfManager_sendProgressiveData(chunk) { + this.streamManager.onReceiveData({ chunk: chunk }); + }, + onLoadedStream: function NetworkPdfManager_onLoadedStream() { + return this.streamManager.onLoadedStream(); + }, + terminate: function NetworkPdfManager_terminate() { + this.streamManager.abort(); + } + }); + return NetworkPdfManager; + }(); + exports.LocalPdfManager = LocalPdfManager; + exports.NetworkPdfManager = NetworkPdfManager; + })); + (function (root, factory) { + factory(root.pdfjsCoreWorker = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCorePdfManager); + }(this, function (exports, sharedUtil, corePrimitives, corePdfManager) { + var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; + var InvalidPDFException = sharedUtil.InvalidPDFException; + var MessageHandler = sharedUtil.MessageHandler; + var MissingPDFException = sharedUtil.MissingPDFException; + var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + var PasswordException = sharedUtil.PasswordException; + var PasswordResponses = sharedUtil.PasswordResponses; + var UnknownErrorException = sharedUtil.UnknownErrorException; + var XRefParseException = sharedUtil.XRefParseException; + var arrayByteLength = sharedUtil.arrayByteLength; + var arraysToBytes = sharedUtil.arraysToBytes; + var assert = sharedUtil.assert; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var error = sharedUtil.error; + var info = sharedUtil.info; + var warn = sharedUtil.warn; + var setVerbosityLevel = sharedUtil.setVerbosityLevel; + var Ref = corePrimitives.Ref; + var LocalPdfManager = corePdfManager.LocalPdfManager; + var NetworkPdfManager = corePdfManager.NetworkPdfManager; + var globalScope = sharedUtil.globalScope; + var WorkerTask = function WorkerTaskClosure() { + function WorkerTask(name) { + this.name = name; + this.terminated = false; + this._capability = createPromiseCapability(); + } + WorkerTask.prototype = { + get finished() { + return this._capability.promise; + }, + finish: function () { + this._capability.resolve(); + }, + terminate: function () { + this.terminated = true; + }, + ensureNotTerminated: function () { + if (this.terminated) { + throw new Error('Worker task was terminated'); + } + } + }; + return WorkerTask; + }(); + /** @implements {IPDFStream} */ + var PDFWorkerStream = function PDFWorkerStreamClosure() { + function PDFWorkerStream(params, msgHandler) { + this._queuedChunks = []; + var initialData = params.initialData; + if (initialData && initialData.length > 0) { + this._queuedChunks.push(initialData); + } + this._msgHandler = msgHandler; + this._isRangeSupported = !params.disableRange; + this._isStreamingSupported = !params.disableStream; + this._contentLength = params.length; + this._fullRequestReader = null; + this._rangeReaders = []; + msgHandler.on('OnDataRange', this._onReceiveData.bind(this)); + msgHandler.on('OnDataProgress', this._onProgress.bind(this)); + } + PDFWorkerStream.prototype = { + _onReceiveData: function PDFWorkerStream_onReceiveData(args) { + if (args.begin === undefined) { + if (this._fullRequestReader) { + this._fullRequestReader._enqueue(args.chunk); + } else { + this._queuedChunks.push(args.chunk); + } + } else { + var found = this._rangeReaders.some(function (rangeReader) { + if (rangeReader._begin !== args.begin) { + return false; + } + rangeReader._enqueue(args.chunk); + return true; + }); + assert(found); + } + }, + _onProgress: function PDFWorkerStream_onProgress(evt) { + if (this._rangeReaders.length > 0) { + // Reporting to first range reader. + var firstReader = this._rangeReaders[0]; + if (firstReader.onProgress) { + firstReader.onProgress({ loaded: evt.loaded }); + } + } + }, + _removeRangeReader: function PDFWorkerStream_removeRangeReader(reader) { + var i = this._rangeReaders.indexOf(reader); + if (i >= 0) { + this._rangeReaders.splice(i, 1); + } + }, + getFullReader: function PDFWorkerStream_getFullReader() { + assert(!this._fullRequestReader); + var queuedChunks = this._queuedChunks; + this._queuedChunks = null; + return new PDFWorkerStreamReader(this, queuedChunks); + }, + getRangeReader: function PDFWorkerStream_getRangeReader(begin, end) { + var reader = new PDFWorkerStreamRangeReader(this, begin, end); + this._msgHandler.send('RequestDataRange', { + begin: begin, + end: end + }); + this._rangeReaders.push(reader); + return reader; + }, + cancelAllRequests: function PDFWorkerStream_cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + var readers = this._rangeReaders.slice(0); + readers.forEach(function (rangeReader) { + rangeReader.cancel(reason); + }); + } + }; + /** @implements {IPDFStreamReader} */ + function PDFWorkerStreamReader(stream, queuedChunks) { + this._stream = stream; + this._done = false; + this._queuedChunks = queuedChunks || []; + this._requests = []; + this._headersReady = Promise.resolve(); + stream._fullRequestReader = this; + this.onProgress = null; + } + // not used + PDFWorkerStreamReader.prototype = { + _enqueue: function PDFWorkerStreamReader_enqueue(chunk) { + if (this._done) { + return; + } + // ignore new data + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({ + value: chunk, + done: false + }); + return; + } + this._queuedChunks.push(chunk); + }, + get headersReady() { + return this._headersReady; + }, + get isRangeSupported() { + return this._stream._isRangeSupported; + }, + get isStreamingSupported() { + return this._stream._isStreamingSupported; + }, + get contentLength() { + return this._stream._contentLength; + }, + read: function PDFWorkerStreamReader_read() { + if (this._queuedChunks.length > 0) { + var chunk = this._queuedChunks.shift(); + return Promise.resolve({ + value: chunk, + done: false + }); + } + if (this._done) { + return Promise.resolve({ + value: undefined, + done: true + }); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + cancel: function PDFWorkerStreamReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + } + }; + /** @implements {IPDFStreamRangeReader} */ + function PDFWorkerStreamRangeReader(stream, begin, end) { + this._stream = stream; + this._begin = begin; + this._end = end; + this._queuedChunk = null; + this._requests = []; + this._done = false; + this.onProgress = null; + } + PDFWorkerStreamRangeReader.prototype = { + _enqueue: function PDFWorkerStreamRangeReader_enqueue(chunk) { + if (this._done) { + return; + } + // ignore new data + if (this._requests.length === 0) { + this._queuedChunk = chunk; + } else { + var requestsCapability = this._requests.shift(); + requestsCapability.resolve({ + value: chunk, + done: false + }); + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + } + this._done = true; + this._stream._removeRangeReader(this); + }, + get isStreamingSupported() { + return false; + }, + read: function PDFWorkerStreamRangeReader_read() { + if (this._queuedChunk) { + return Promise.resolve({ + value: this._queuedChunk, + done: false + }); + } + if (this._done) { + return Promise.resolve({ + value: undefined, + done: true + }); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + cancel: function PDFWorkerStreamRangeReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + this._stream._removeRangeReader(this); + } + }; + return PDFWorkerStream; + }(); + /** @type IPDFStream */ + var PDFNetworkStream; + /** + * Sets PDFNetworkStream class to be used as alternative PDF data transport. + * @param {IPDFStream} cls - the PDF data transport. + */ + function setPDFNetworkStreamClass(cls) { + PDFNetworkStream = cls; + } + var WorkerMessageHandler = { + setup: function wphSetup(handler, port) { + var testMessageProcessed = false; + handler.on('test', function wphSetupTest(data) { + if (testMessageProcessed) { + return; + } + // we already processed 'test' message once + testMessageProcessed = true; + // check if Uint8Array can be sent to worker + if (!(data instanceof Uint8Array)) { + handler.send('test', 'main', false); + return; + } + // making sure postMessage transfers are working + var supportTransfers = data[0] === 255; + handler.postMessageTransfers = supportTransfers; + // check if the response property is supported by xhr + var xhr = new XMLHttpRequest(); + var responseExists = 'response' in xhr; + // check if the property is actually implemented + try { + var dummy = xhr.responseType; + } catch (e) { + responseExists = false; + } + if (!responseExists) { + handler.send('test', false); + return; + } + handler.send('test', { + supportTypedArray: true, + supportTransfers: supportTransfers + }); + }); + handler.on('configure', function wphConfigure(data) { + setVerbosityLevel(data.verbosity); + }); + handler.on('GetDocRequest', function wphSetupDoc(data) { + return WorkerMessageHandler.createDocumentHandler(data, port); + }); + }, + createDocumentHandler: function wphCreateDocumentHandler(docParams, port) { + // This context is actually holds references on pdfManager and handler, + // until the latter is destroyed. + var pdfManager; + var terminated = false; + var cancelXHRs = null; + var WorkerTasks = []; + var docId = docParams.docId; + var docBaseUrl = docParams.docBaseUrl; + var workerHandlerName = docParams.docId + '_worker'; + var handler = new MessageHandler(workerHandlerName, docId, port); + // Ensure that postMessage transfers are correctly enabled/disabled, + // to prevent "DataCloneError" in older versions of IE (see issue 6957). + handler.postMessageTransfers = docParams.postMessageTransfers; + function ensureNotTerminated() { + if (terminated) { + throw new Error('Worker was terminated'); + } + } + function startWorkerTask(task) { + WorkerTasks.push(task); + } + function finishWorkerTask(task) { + task.finish(); + var i = WorkerTasks.indexOf(task); + WorkerTasks.splice(i, 1); + } + function loadDocument(recoveryMode) { + var loadDocumentCapability = createPromiseCapability(); + var parseSuccess = function parseSuccess() { + var numPagesPromise = pdfManager.ensureDoc('numPages'); + var fingerprintPromise = pdfManager.ensureDoc('fingerprint'); + var encryptedPromise = pdfManager.ensureXRef('encrypt'); + Promise.all([ + numPagesPromise, + fingerprintPromise, + encryptedPromise + ]).then(function onDocReady(results) { + var doc = { + numPages: results[0], + fingerprint: results[1], + encrypted: !!results[2] + }; + loadDocumentCapability.resolve(doc); + }, parseFailure); + }; + var parseFailure = function parseFailure(e) { + loadDocumentCapability.reject(e); + }; + pdfManager.ensureDoc('checkHeader', []).then(function () { + pdfManager.ensureDoc('parseStartXRef', []).then(function () { + pdfManager.ensureDoc('parse', [recoveryMode]).then(parseSuccess, parseFailure); + }, parseFailure); + }, parseFailure); + return loadDocumentCapability.promise; + } + function getPdfManager(data, evaluatorOptions) { + var pdfManagerCapability = createPromiseCapability(); + var pdfManager; + var source = data.source; + if (source.data) { + try { + pdfManager = new LocalPdfManager(docId, source.data, source.password, evaluatorOptions, docBaseUrl); + pdfManagerCapability.resolve(pdfManager); + } catch (ex) { + pdfManagerCapability.reject(ex); + } + return pdfManagerCapability.promise; + } + var pdfStream; + try { + if (source.chunkedViewerLoading) { + pdfStream = new PDFWorkerStream(source, handler); + } else { + assert(PDFNetworkStream, 'pdfjs/core/network module is not loaded'); + pdfStream = new PDFNetworkStream(data); + } + } catch (ex) { + pdfManagerCapability.reject(ex); + return pdfManagerCapability.promise; + } + var fullRequest = pdfStream.getFullReader(); + fullRequest.headersReady.then(function () { + if (!fullRequest.isStreamingSupported || !fullRequest.isRangeSupported) { + // If stream or range are disabled, it's our only way to report + // loading progress. + fullRequest.onProgress = function (evt) { + handler.send('DocProgress', { + loaded: evt.loaded, + total: evt.total + }); + }; + } + if (!fullRequest.isRangeSupported) { + return; + } + // We don't need auto-fetch when streaming is enabled. + var disableAutoFetch = source.disableAutoFetch || fullRequest.isStreamingSupported; + pdfManager = new NetworkPdfManager(docId, pdfStream, { + msgHandler: handler, + url: source.url, + password: source.password, + length: fullRequest.contentLength, + disableAutoFetch: disableAutoFetch, + rangeChunkSize: source.rangeChunkSize + }, evaluatorOptions, docBaseUrl); + pdfManagerCapability.resolve(pdfManager); + cancelXHRs = null; + }).catch(function (reason) { + pdfManagerCapability.reject(reason); + cancelXHRs = null; + }); + var cachedChunks = [], loaded = 0; + var flushChunks = function () { + var pdfFile = arraysToBytes(cachedChunks); + if (source.length && pdfFile.length !== source.length) { + warn('reported HTTP length is different from actual'); + } + // the data is array, instantiating directly from it + try { + pdfManager = new LocalPdfManager(docId, pdfFile, source.password, evaluatorOptions, docBaseUrl); + pdfManagerCapability.resolve(pdfManager); + } catch (ex) { + pdfManagerCapability.reject(ex); + } + cachedChunks = []; + }; + var readPromise = new Promise(function (resolve, reject) { + var readChunk = function (chunk) { + try { + ensureNotTerminated(); + if (chunk.done) { + if (!pdfManager) { + flushChunks(); + } + cancelXHRs = null; + return; + } + var data = chunk.value; + loaded += arrayByteLength(data); + if (!fullRequest.isStreamingSupported) { + handler.send('DocProgress', { + loaded: loaded, + total: Math.max(loaded, fullRequest.contentLength || 0) + }); + } + if (pdfManager) { + pdfManager.sendProgressiveData(data); + } else { + cachedChunks.push(data); + } + fullRequest.read().then(readChunk, reject); + } catch (e) { + reject(e); + } + }; + fullRequest.read().then(readChunk, reject); + }); + readPromise.catch(function (e) { + pdfManagerCapability.reject(e); + cancelXHRs = null; + }); + cancelXHRs = function () { + pdfStream.cancelAllRequests('abort'); + }; + return pdfManagerCapability.promise; + } + var setupDoc = function (data) { + var onSuccess = function (doc) { + ensureNotTerminated(); + handler.send('GetDoc', { pdfInfo: doc }); + }; + var onFailure = function (e) { + if (e instanceof PasswordException) { + if (e.code === PasswordResponses.NEED_PASSWORD) { + handler.send('NeedPassword', e); + } else if (e.code === PasswordResponses.INCORRECT_PASSWORD) { + handler.send('IncorrectPassword', e); + } + } else if (e instanceof InvalidPDFException) { + handler.send('InvalidPDF', e); + } else if (e instanceof MissingPDFException) { + handler.send('MissingPDF', e); + } else if (e instanceof UnexpectedResponseException) { + handler.send('UnexpectedResponse', e); + } else { + handler.send('UnknownError', new UnknownErrorException(e.message, e.toString())); + } + }; + ensureNotTerminated(); + var cMapOptions = { + url: data.cMapUrl === undefined ? null : data.cMapUrl, + packed: data.cMapPacked === true + }; + var evaluatorOptions = { + forceDataSchema: data.disableCreateObjectURL, + maxImageSize: data.maxImageSize === undefined ? -1 : data.maxImageSize, + disableFontFace: data.disableFontFace, + cMapOptions: cMapOptions + }; + getPdfManager(data, evaluatorOptions).then(function (newPdfManager) { + if (terminated) { + // We were in a process of setting up the manager, but it got + // terminated in the middle. + newPdfManager.terminate(); + throw new Error('Worker was terminated'); + } + pdfManager = newPdfManager; + handler.send('PDFManagerReady', null); + pdfManager.onLoadedStream().then(function (stream) { + handler.send('DataLoaded', { length: stream.bytes.byteLength }); + }); + }).then(function pdfManagerReady() { + ensureNotTerminated(); + loadDocument(false).then(onSuccess, function loadFailure(ex) { + ensureNotTerminated(); + // Try again with recoveryMode == true + if (!(ex instanceof XRefParseException)) { + if (ex instanceof PasswordException) { + // after password exception prepare to receive a new password + // to repeat loading + pdfManager.passwordChanged().then(pdfManagerReady); + } + onFailure(ex); + return; + } + pdfManager.requestLoadedStream(); + pdfManager.onLoadedStream().then(function () { + ensureNotTerminated(); + loadDocument(true).then(onSuccess, onFailure); + }); + }, onFailure); + }, onFailure); + }; + handler.on('GetPage', function wphSetupGetPage(data) { + return pdfManager.getPage(data.pageIndex).then(function (page) { + var rotatePromise = pdfManager.ensure(page, 'rotate'); + var refPromise = pdfManager.ensure(page, 'ref'); + var viewPromise = pdfManager.ensure(page, 'view'); + return Promise.all([ + rotatePromise, + refPromise, + viewPromise + ]).then(function (results) { + return { + rotate: results[0], + ref: results[1], + view: results[2] + }; + }); + }); + }); + handler.on('GetPageIndex', function wphSetupGetPageIndex(data) { + var ref = new Ref(data.ref.num, data.ref.gen); + var catalog = pdfManager.pdfDocument.catalog; + return catalog.getPageIndex(ref); + }); + handler.on('GetDestinations', function wphSetupGetDestinations(data) { + return pdfManager.ensureCatalog('destinations'); + }); + handler.on('GetDestination', function wphSetupGetDestination(data) { + return pdfManager.ensureCatalog('getDestination', [data.id]); + }); + handler.on('GetPageLabels', function wphSetupGetPageLabels(data) { + return pdfManager.ensureCatalog('pageLabels'); + }); + handler.on('GetAttachments', function wphSetupGetAttachments(data) { + return pdfManager.ensureCatalog('attachments'); + }); + handler.on('GetJavaScript', function wphSetupGetJavaScript(data) { + return pdfManager.ensureCatalog('javaScript'); + }); + handler.on('GetOutline', function wphSetupGetOutline(data) { + return pdfManager.ensureCatalog('documentOutline'); + }); + handler.on('GetMetadata', function wphSetupGetMetadata(data) { + return Promise.all([ + pdfManager.ensureDoc('documentInfo'), + pdfManager.ensureCatalog('metadata') + ]); + }); + handler.on('GetData', function wphSetupGetData(data) { + pdfManager.requestLoadedStream(); + return pdfManager.onLoadedStream().then(function (stream) { + return stream.bytes; + }); + }); + handler.on('GetStats', function wphSetupGetStats(data) { + return pdfManager.pdfDocument.xref.stats; + }); + handler.on('UpdatePassword', function wphSetupUpdatePassword(data) { + pdfManager.updatePassword(data); + }); + handler.on('GetAnnotations', function wphSetupGetAnnotations(data) { + return pdfManager.getPage(data.pageIndex).then(function (page) { + return pdfManager.ensure(page, 'getAnnotationsData', [data.intent]); + }); + }); + handler.on('RenderPageRequest', function wphSetupRenderPage(data) { + var pageIndex = data.pageIndex; + pdfManager.getPage(pageIndex).then(function (page) { + var task = new WorkerTask('RenderPageRequest: page ' + pageIndex); + startWorkerTask(task); + var pageNum = pageIndex + 1; + var start = Date.now(); + // Pre compile the pdf page and fetch the fonts/images. + page.getOperatorList(handler, task, data.intent, data.renderInteractiveForms).then(function (operatorList) { + finishWorkerTask(task); + info('page=' + pageNum + ' - getOperatorList: time=' + (Date.now() - start) + 'ms, len=' + operatorList.totalLength); + }, function (e) { + finishWorkerTask(task); + if (task.terminated) { + return; + } + // ignoring errors from the terminated thread + // For compatibility with older behavior, generating unknown + // unsupported feature notification on errors. + handler.send('UnsupportedFeature', { featureId: UNSUPPORTED_FEATURES.unknown }); + var minimumStackMessage = 'worker.js: while trying to getPage() and getOperatorList()'; + var wrappedException; + // Turn the error into an obj that can be serialized + if (typeof e === 'string') { + wrappedException = { + message: e, + stack: minimumStackMessage + }; + } else if (typeof e === 'object') { + wrappedException = { + message: e.message || e.toString(), + stack: e.stack || minimumStackMessage + }; + } else { + wrappedException = { + message: 'Unknown exception type: ' + typeof e, + stack: minimumStackMessage + }; + } + handler.send('PageError', { + pageNum: pageNum, + error: wrappedException, + intent: data.intent + }); + }); + }); + }, this); + handler.on('GetTextContent', function wphExtractText(data) { + var pageIndex = data.pageIndex; + var normalizeWhitespace = data.normalizeWhitespace; + var combineTextItems = data.combineTextItems; + return pdfManager.getPage(pageIndex).then(function (page) { + var task = new WorkerTask('GetTextContent: page ' + pageIndex); + startWorkerTask(task); + var pageNum = pageIndex + 1; + var start = Date.now(); + return page.extractTextContent(task, normalizeWhitespace, combineTextItems).then(function (textContent) { + finishWorkerTask(task); + info('text indexing: page=' + pageNum + ' - time=' + (Date.now() - start) + 'ms'); + return textContent; + }, function (reason) { + finishWorkerTask(task); + if (task.terminated) { + return; + } + // ignoring errors from the terminated thread + throw reason; + }); + }); + }); + handler.on('Cleanup', function wphCleanup(data) { + return pdfManager.cleanup(); + }); + handler.on('Terminate', function wphTerminate(data) { + terminated = true; + if (pdfManager) { + pdfManager.terminate(); + pdfManager = null; + } + if (cancelXHRs) { + cancelXHRs(); + } + var waitOn = []; + WorkerTasks.forEach(function (task) { + waitOn.push(task.finished); + task.terminate(); + }); + return Promise.all(waitOn).then(function () { + // Notice that even if we destroying handler, resolved response promise + // must be sent back. + handler.destroy(); + handler = null; + }); + }); + handler.on('Ready', function wphReady(data) { + setupDoc(docParams); + docParams = null; + }); + // we don't need docParams anymore -- saving memory. + return workerHandlerName; + } + }; + function initializeWorker() { + var handler = new MessageHandler('worker', 'main', self); + WorkerMessageHandler.setup(handler, self); + handler.send('ready', null); + } + // Worker thread (and not node.js)? + if (typeof window === 'undefined' && !(typeof module !== 'undefined' && module.require)) { + initializeWorker(); + } + exports.setPDFNetworkStreamClass = setPDFNetworkStreamClass; + exports.WorkerTask = WorkerTask; + exports.WorkerMessageHandler = WorkerMessageHandler; + })); + }.call(pdfjsLibs)); + exports.WorkerMessageHandler = pdfjsLibs.pdfjsCoreWorker.WorkerMessageHandler; +}));
\ No newline at end of file diff --git a/browser/extensions/pdfjs/content/network.js b/browser/extensions/pdfjs/content/network.js new file mode 100644 index 000000000..68c8dd19f --- /dev/null +++ b/browser/extensions/pdfjs/content/network.js @@ -0,0 +1,614 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// NOTE: Be careful what goes in this file, as it is also used from the context +// of the addon. So using warn/error in here will break the addon. + +'use strict'; + +(function (root, factory) { + if (typeof define === 'function' && define.amd) { + define('pdfjs/core/network', ['exports', 'pdfjs/shared/util', + 'pdfjs/core/worker'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports, require('../shared/util.js'), require('./worker.js')); + } else { + factory((root.pdfjsCoreNetwork = {}), root.pdfjsSharedUtil, + root.pdfjsCoreWorker); + } +}(this, function (exports, sharedUtil, coreWorker) { +if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('FIREFOX || MOZCENTRAL')) { + throw new Error('Module "pdfjs/core/network" shall not ' + + 'be used with FIREFOX or MOZCENTRAL build.'); +} + + var OK_RESPONSE = 200; + var PARTIAL_CONTENT_RESPONSE = 206; + + function NetworkManager(url, args) { + this.url = url; + args = args || {}; + this.isHttp = /^https?:/i.test(url); + this.httpHeaders = (this.isHttp && args.httpHeaders) || {}; + this.withCredentials = args.withCredentials || false; + this.getXhr = args.getXhr || + function NetworkManager_getXhr() { + return new XMLHttpRequest(); + }; + + this.currXhrId = 0; + this.pendingRequests = Object.create(null); + this.loadedRequests = Object.create(null); + } + + function getArrayBuffer(xhr) { + var data = xhr.response; + if (typeof data !== 'string') { + return data; + } + var length = data.length; + var array = new Uint8Array(length); + for (var i = 0; i < length; i++) { + array[i] = data.charCodeAt(i) & 0xFF; + } + return array.buffer; + } + + var supportsMozChunked = + typeof PDFJSDev !== 'undefined' && PDFJSDev.test('CHROME') ? false : + (function supportsMozChunkedClosure() { + try { + var x = new XMLHttpRequest(); + // Firefox 37- required .open() to be called before setting responseType. + // https://bugzilla.mozilla.org/show_bug.cgi?id=707484 + // Even though the URL is not visited, .open() could fail if the URL is + // blocked, e.g. via the connect-src CSP directive or the NoScript addon. + // When this error occurs, this feature detection method will mistakenly + // report that moz-chunked-arraybuffer is not supported in Firefox 37-. + x.open('GET', 'https://example.com'); + x.responseType = 'moz-chunked-arraybuffer'; + return x.responseType === 'moz-chunked-arraybuffer'; + } catch (e) { + return false; + } + })(); + + NetworkManager.prototype = { + requestRange: function NetworkManager_requestRange(begin, end, listeners) { + var args = { + begin: begin, + end: end + }; + for (var prop in listeners) { + args[prop] = listeners[prop]; + } + return this.request(args); + }, + + requestFull: function NetworkManager_requestFull(listeners) { + return this.request(listeners); + }, + + request: function NetworkManager_request(args) { + var xhr = this.getXhr(); + var xhrId = this.currXhrId++; + var pendingRequest = this.pendingRequests[xhrId] = { + xhr: xhr + }; + + xhr.open('GET', this.url); + xhr.withCredentials = this.withCredentials; + for (var property in this.httpHeaders) { + var value = this.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; + } + xhr.setRequestHeader(property, value); + } + if (this.isHttp && 'begin' in args && 'end' in args) { + var rangeStr = args.begin + '-' + (args.end - 1); + xhr.setRequestHeader('Range', 'bytes=' + rangeStr); + pendingRequest.expectedStatus = 206; + } else { + pendingRequest.expectedStatus = 200; + } + + var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData; + if (useMozChunkedLoading) { + xhr.responseType = 'moz-chunked-arraybuffer'; + pendingRequest.onProgressiveData = args.onProgressiveData; + pendingRequest.mozChunked = true; + } else { + xhr.responseType = 'arraybuffer'; + } + + if (args.onError) { + xhr.onerror = function(evt) { + args.onError(xhr.status); + }; + } + xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); + xhr.onprogress = this.onProgress.bind(this, xhrId); + + pendingRequest.onHeadersReceived = args.onHeadersReceived; + pendingRequest.onDone = args.onDone; + pendingRequest.onError = args.onError; + pendingRequest.onProgress = args.onProgress; + + xhr.send(null); + + return xhrId; + }, + + onProgress: function NetworkManager_onProgress(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + if (pendingRequest.mozChunked) { + var chunk = getArrayBuffer(pendingRequest.xhr); + pendingRequest.onProgressiveData(chunk); + } + + var onProgress = pendingRequest.onProgress; + if (onProgress) { + onProgress(evt); + } + }, + + onStateChange: function NetworkManager_onStateChange(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + var xhr = pendingRequest.xhr; + if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { + pendingRequest.onHeadersReceived(); + delete pendingRequest.onHeadersReceived; + } + + if (xhr.readyState !== 4) { + return; + } + + if (!(xhrId in this.pendingRequests)) { + // The XHR request might have been aborted in onHeadersReceived() + // callback, in which case we should abort request + return; + } + + delete this.pendingRequests[xhrId]; + + // success status == 0 can be on ftp, file and other protocols + if (xhr.status === 0 && this.isHttp) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + var xhrStatus = xhr.status || OK_RESPONSE; + + // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2: + // "A server MAY ignore the Range header". This means it's possible to + // get a 200 rather than a 206 response from a range request. + var ok_response_on_range_request = + xhrStatus === OK_RESPONSE && + pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; + + if (!ok_response_on_range_request && + xhrStatus !== pendingRequest.expectedStatus) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + + this.loadedRequests[xhrId] = true; + + var chunk = getArrayBuffer(xhr); + if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { + var rangeHeader = xhr.getResponseHeader('Content-Range'); + var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); + var begin = parseInt(matches[1], 10); + pendingRequest.onDone({ + begin: begin, + chunk: chunk + }); + } else if (pendingRequest.onProgressiveData) { + pendingRequest.onDone(null); + } else if (chunk) { + pendingRequest.onDone({ + begin: 0, + chunk: chunk + }); + } else if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + }, + + hasPendingRequests: function NetworkManager_hasPendingRequests() { + for (var xhrId in this.pendingRequests) { + return true; + } + return false; + }, + + getRequestXhr: function NetworkManager_getXhr(xhrId) { + return this.pendingRequests[xhrId].xhr; + }, + + isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { + return !!(this.pendingRequests[xhrId].onProgressiveData); + }, + + isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { + return xhrId in this.pendingRequests; + }, + + isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { + return xhrId in this.loadedRequests; + }, + + abortAllRequests: function NetworkManager_abortAllRequests() { + for (var xhrId in this.pendingRequests) { + this.abortRequest(xhrId | 0); + } + }, + + abortRequest: function NetworkManager_abortRequest(xhrId) { + var xhr = this.pendingRequests[xhrId].xhr; + delete this.pendingRequests[xhrId]; + xhr.abort(); + } + }; + + var assert = sharedUtil.assert; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var isInt = sharedUtil.isInt; + var MissingPDFException = sharedUtil.MissingPDFException; + var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + + /** @implements {IPDFStream} */ + function PDFNetworkStream(options) { + this._options = options; + var source = options.source; + this._manager = new NetworkManager(source.url, { + httpHeaders: source.httpHeaders, + withCredentials: source.withCredentials + }); + this._rangeChunkSize = source.rangeChunkSize; + this._fullRequestReader = null; + this._rangeRequestReaders = []; + } + + PDFNetworkStream.prototype = { + _onRangeRequestReaderClosed: + function PDFNetworkStream_onRangeRequestReaderClosed(reader) { + var i = this._rangeRequestReaders.indexOf(reader); + if (i >= 0) { + this._rangeRequestReaders.splice(i, 1); + } + }, + + getFullReader: function PDFNetworkStream_getFullReader() { + assert(!this._fullRequestReader); + this._fullRequestReader = + new PDFNetworkStreamFullRequestReader(this._manager, this._options); + return this._fullRequestReader; + }, + + getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) { + var reader = new PDFNetworkStreamRangeRequestReader(this._manager, + begin, end); + reader.onClosed = this._onRangeRequestReaderClosed.bind(this); + this._rangeRequestReaders.push(reader); + return reader; + }, + + cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + var readers = this._rangeRequestReaders.slice(0); + readers.forEach(function (reader) { + reader.cancel(reason); + }); + } + }; + + /** @implements {IPDFStreamReader} */ + function PDFNetworkStreamFullRequestReader(manager, options) { + this._manager = manager; + + var source = options.source; + var args = { + onHeadersReceived: this._onHeadersReceived.bind(this), + onProgressiveData: source.disableStream ? null : + this._onProgressiveData.bind(this), + onDone: this._onDone.bind(this), + onError: this._onError.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._url = source.url; + this._fullRequestId = manager.requestFull(args); + this._headersReceivedCapability = createPromiseCapability(); + this._disableRange = options.disableRange || false; + this._contentLength = source.length; // optional + this._rangeChunkSize = source.rangeChunkSize; + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + + this._isStreamingSupported = false; + this._isRangeSupported = false; + + this._cachedChunks = []; + this._requests = []; + this._done = false; + this._storedError = undefined; + + this.onProgress = null; + } + + PDFNetworkStreamFullRequestReader.prototype = { + _validateRangeRequestCapabilities: function + PDFNetworkStreamFullRequestReader_validateRangeRequestCapabilities() { + + if (this._disableRange) { + return false; + } + + var networkManager = this._manager; + var fullRequestXhrId = this._fullRequestId; + var fullRequestXhr = networkManager.getRequestXhr(fullRequestXhrId); + if (fullRequestXhr.getResponseHeader('Accept-Ranges') !== 'bytes') { + return false; + } + + var contentEncoding = + fullRequestXhr.getResponseHeader('Content-Encoding') || 'identity'; + if (contentEncoding !== 'identity') { + return false; + } + + var length = fullRequestXhr.getResponseHeader('Content-Length'); + length = parseInt(length, 10); + if (!isInt(length)) { + return false; + } + + this._contentLength = length; // setting right content length + + if (length <= 2 * this._rangeChunkSize) { + // The file size is smaller than the size of two chunks, so it does + // not make any sense to abort the request and retry with a range + // request. + return false; + } + + return true; + }, + + _onHeadersReceived: + function PDFNetworkStreamFullRequestReader_onHeadersReceived() { + + if (this._validateRangeRequestCapabilities()) { + this._isRangeSupported = true; + } + + var networkManager = this._manager; + var fullRequestXhrId = this._fullRequestId; + if (networkManager.isStreamingRequest(fullRequestXhrId)) { + // We can continue fetching when progressive loading is enabled, + // and we don't need the autoFetch feature. + this._isStreamingSupported = true; + } else if (this._isRangeSupported) { + // NOTE: by cancelling the full request, and then issuing range + // requests, there will be an issue for sites where you can only + // request the pdf once. However, if this is the case, then the + // server should not be returning that it can support range + // requests. + networkManager.abortRequest(fullRequestXhrId); + } + + this._headersReceivedCapability.resolve(); + }, + + _onProgressiveData: + function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) { + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({value: chunk, done: false}); + } else { + this._cachedChunks.push(chunk); + } + }, + + _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) { + if (args) { + this._onProgressiveData(args.chunk); + } + this._done = true; + if (this._cachedChunks.length > 0) { + return; + } + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + }, + + _onError: function PDFNetworkStreamFullRequestReader_onError(status) { + var url = this._url; + var exception; + if (status === 404 || status === 0 && /^file:/.test(url)) { + exception = new MissingPDFException('Missing PDF "' + url + '".'); + } else { + exception = new UnexpectedResponseException( + 'Unexpected server response (' + status + + ') while retrieving PDF "' + url + '".', status); + } + this._storedError = exception; + this._headersReceivedCapability.reject(exception); + this._requests.forEach(function (requestCapability) { + requestCapability.reject(exception); + }); + this._requests = []; + this._cachedChunks = []; + }, + + _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) { + if (this.onProgress) { + this.onProgress({ + loaded: data.loaded, + total: data.lengthComputable ? data.total : this._contentLength + }); + } + }, + + get isRangeSupported() { + return this._isRangeSupported; + }, + + get isStreamingSupported() { + return this._isStreamingSupported; + }, + + get contentLength() { + return this._contentLength; + }, + + get headersReady() { + return this._headersReceivedCapability.promise; + }, + + read: function PDFNetworkStreamFullRequestReader_read() { + if (this._storedError) { + return Promise.reject(this._storedError); + } + if (this._cachedChunks.length > 0) { + var chunk = this._cachedChunks.shift(); + return Promise.resolve(chunk); + } + if (this._done) { + return Promise.resolve({value: undefined, done: true}); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + + cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) { + this._done = true; + this._headersReceivedCapability.reject(reason); + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + if (this._manager.isPendingRequest(this._fullRequestId)) { + this._manager.abortRequest(this._fullRequestId); + } + this._fullRequestReader = null; + } + }; + + /** @implements {IPDFStreamRangeReader} */ + function PDFNetworkStreamRangeRequestReader(manager, begin, end) { + this._manager = manager; + var args = { + onDone: this._onDone.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._requestId = manager.requestRange(begin, end, args); + this._requests = []; + this._queuedChunk = null; + this._done = false; + + this.onProgress = null; + this.onClosed = null; + } + + PDFNetworkStreamRangeRequestReader.prototype = { + _close: function PDFNetworkStreamRangeRequestReader_close() { + if (this.onClosed) { + this.onClosed(this); + } + }, + + _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) { + var chunk = data.chunk; + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({value: chunk, done: false}); + } else { + this._queuedChunk = chunk; + } + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + this._close(); + }, + + _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) { + if (!this.isStreamingSupported && this.onProgress) { + this.onProgress({ + loaded: evt.loaded + }); + } + }, + + get isStreamingSupported() { + return false; // TODO allow progressive range bytes loading + }, + + read: function PDFNetworkStreamRangeRequestReader_read() { + if (this._queuedChunk !== null) { + var chunk = this._queuedChunk; + this._queuedChunk = null; + return Promise.resolve({value: chunk, done: false}); + } + if (this._done) { + return Promise.resolve({value: undefined, done: true}); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + + cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + if (this._manager.isPendingRequest(this._requestId)) { + this._manager.abortRequest(this._requestId); + } + this._close(); + } + }; + + coreWorker.setPDFNetworkStreamClass(PDFNetworkStream); + + exports.PDFNetworkStream = PDFNetworkStream; + exports.NetworkManager = NetworkManager; +})); + diff --git a/browser/extensions/pdfjs/content/pdfjschildbootstrap.js b/browser/extensions/pdfjs/content/pdfjschildbootstrap.js new file mode 100644 index 000000000..1f44b9c2e --- /dev/null +++ b/browser/extensions/pdfjs/content/pdfjschildbootstrap.js @@ -0,0 +1,36 @@ +/* Copyright 2014 Mozilla Foundation +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ +/* jshint esnext:true */ +/* globals Components, PdfjsContentUtils, PdfJs, Services */ + +'use strict'; + +/* + * pdfjschildbootstrap.js loads into the content process to take care of + * initializing our built-in version of pdfjs when running remote. + */ + +Components.utils.import('resource://gre/modules/Services.jsm'); +Components.utils.import('resource://pdf.js/PdfJs.jsm'); +Components.utils.import('resource://pdf.js/PdfjsContentUtils.jsm'); + +// init content utils shim pdfjs will use to access privileged apis. +PdfjsContentUtils.init(); + +if (Services.appinfo.processType === Services.appinfo.PROCESS_TYPE_CONTENT) { + // register various pdfjs factories that hook us into content loading. + PdfJs.updateRegistration(); +} + diff --git a/browser/extensions/pdfjs/content/web/cmaps/78-EUC-H.bcmap 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new file mode 100644 index 000000000..8a049f4c6 --- /dev/null +++ b/browser/extensions/pdfjs/content/web/debugger.js @@ -0,0 +1,616 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +'use strict'; + +var FontInspector = (function FontInspectorClosure() { + var fonts; + var active = false; + var fontAttribute = 'data-font-name'; + function removeSelection() { + var divs = document.querySelectorAll('div[' + fontAttribute + ']'); + for (var i = 0, ii = divs.length; i < ii; ++i) { + var div = divs[i]; + div.className = ''; + } + } + function resetSelection() { + var divs = document.querySelectorAll('div[' + fontAttribute + ']'); + for (var i = 0, ii = divs.length; i < ii; ++i) { + var div = divs[i]; + div.className = 'debuggerHideText'; + } + } + function selectFont(fontName, show) { + var divs = document.querySelectorAll('div[' + fontAttribute + '=' + + fontName + ']'); + for (var i = 0, ii = divs.length; i < ii; ++i) { + var div = divs[i]; + div.className = show ? 'debuggerShowText' : 'debuggerHideText'; + } + } + function textLayerClick(e) { + if (!e.target.dataset.fontName || + e.target.tagName.toUpperCase() !== 'DIV') { + return; + } + var fontName = e.target.dataset.fontName; + var selects = document.getElementsByTagName('input'); + for (var i = 0; i < selects.length; ++i) { + var select = selects[i]; + if (select.dataset.fontName !== fontName) { + continue; + } + select.checked = !select.checked; + selectFont(fontName, select.checked); + select.scrollIntoView(); + } + } + return { + // Properties/functions needed by PDFBug. + id: 'FontInspector', + name: 'Font Inspector', + panel: null, + manager: null, + init: function init(pdfjsLib) { + var panel = this.panel; + panel.setAttribute('style', 'padding: 5px;'); + var tmp = document.createElement('button'); + tmp.addEventListener('click', resetSelection); + tmp.textContent = 'Refresh'; + panel.appendChild(tmp); + + fonts = document.createElement('div'); + panel.appendChild(fonts); + }, + cleanup: function cleanup() { + fonts.textContent = ''; + }, + enabled: false, + get active() { + return active; + }, + set active(value) { + active = value; + if (active) { + document.body.addEventListener('click', textLayerClick, true); + resetSelection(); + } else { + document.body.removeEventListener('click', textLayerClick, true); + removeSelection(); + } + }, + // FontInspector specific functions. + fontAdded: function fontAdded(fontObj, url) { + function properties(obj, list) { + var moreInfo = document.createElement('table'); + for (var i = 0; i < list.length; i++) { + var tr = document.createElement('tr'); + var td1 = document.createElement('td'); + td1.textContent = list[i]; + tr.appendChild(td1); + var td2 = document.createElement('td'); + td2.textContent = obj[list[i]].toString(); + tr.appendChild(td2); + moreInfo.appendChild(tr); + } + return moreInfo; + } + var moreInfo = properties(fontObj, ['name', 'type']); + var fontName = fontObj.loadedName; + var font = document.createElement('div'); + var name = document.createElement('span'); + name.textContent = fontName; + var download = document.createElement('a'); + if (url) { + url = /url\(['"]?([^\)"']+)/.exec(url); + download.href = url[1]; + } else if (fontObj.data) { + url = URL.createObjectURL(new Blob([fontObj.data], { + type: fontObj.mimeType + })); + download.href = url; + } + download.textContent = 'Download'; + var logIt = document.createElement('a'); + logIt.href = ''; + logIt.textContent = 'Log'; + logIt.addEventListener('click', function(event) { + event.preventDefault(); + console.log(fontObj); + }); + var select = document.createElement('input'); + select.setAttribute('type', 'checkbox'); + select.dataset.fontName = fontName; + select.addEventListener('click', (function(select, fontName) { + return (function() { + selectFont(fontName, select.checked); + }); + })(select, fontName)); + font.appendChild(select); + font.appendChild(name); + font.appendChild(document.createTextNode(' ')); + font.appendChild(download); + font.appendChild(document.createTextNode(' ')); + font.appendChild(logIt); + font.appendChild(moreInfo); + fonts.appendChild(font); + // Somewhat of a hack, should probably add a hook for when the text layer + // is done rendering. + setTimeout(function() { + if (this.active) { + resetSelection(); + } + }.bind(this), 2000); + } + }; +})(); + +var opMap; + +// Manages all the page steppers. +var StepperManager = (function StepperManagerClosure() { + var steppers = []; + var stepperDiv = null; + var stepperControls = null; + var stepperChooser = null; + var breakPoints = Object.create(null); + return { + // Properties/functions needed by PDFBug. + id: 'Stepper', + name: 'Stepper', + panel: null, + manager: null, + init: function init(pdfjsLib) { + var self = this; + this.panel.setAttribute('style', 'padding: 5px;'); + stepperControls = document.createElement('div'); + stepperChooser = document.createElement('select'); + stepperChooser.addEventListener('change', function(event) { + self.selectStepper(this.value); + }); + stepperControls.appendChild(stepperChooser); + stepperDiv = document.createElement('div'); + this.panel.appendChild(stepperControls); + this.panel.appendChild(stepperDiv); + if (sessionStorage.getItem('pdfjsBreakPoints')) { + breakPoints = JSON.parse(sessionStorage.getItem('pdfjsBreakPoints')); + } + + opMap = Object.create(null); + for (var key in pdfjsLib.OPS) { + opMap[pdfjsLib.OPS[key]] = key; + } + }, + cleanup: function cleanup() { + stepperChooser.textContent = ''; + stepperDiv.textContent = ''; + steppers = []; + }, + enabled: false, + active: false, + // Stepper specific functions. + create: function create(pageIndex) { + var debug = document.createElement('div'); + debug.id = 'stepper' + pageIndex; + debug.setAttribute('hidden', true); + debug.className = 'stepper'; + stepperDiv.appendChild(debug); + var b = document.createElement('option'); + b.textContent = 'Page ' + (pageIndex + 1); + b.value = pageIndex; + stepperChooser.appendChild(b); + var initBreakPoints = breakPoints[pageIndex] || []; + var stepper = new Stepper(debug, pageIndex, initBreakPoints); + steppers.push(stepper); + if (steppers.length === 1) { + this.selectStepper(pageIndex, false); + } + return stepper; + }, + selectStepper: function selectStepper(pageIndex, selectPanel) { + var i; + pageIndex = pageIndex | 0; + if (selectPanel) { + this.manager.selectPanel(this); + } + for (i = 0; i < steppers.length; ++i) { + var stepper = steppers[i]; + if (stepper.pageIndex === pageIndex) { + stepper.panel.removeAttribute('hidden'); + } else { + stepper.panel.setAttribute('hidden', true); + } + } + var options = stepperChooser.options; + for (i = 0; i < options.length; ++i) { + var option = options[i]; + option.selected = (option.value | 0) === pageIndex; + } + }, + saveBreakPoints: function saveBreakPoints(pageIndex, bps) { + breakPoints[pageIndex] = bps; + sessionStorage.setItem('pdfjsBreakPoints', JSON.stringify(breakPoints)); + } + }; +})(); + +// The stepper for each page's IRQueue. +var Stepper = (function StepperClosure() { + // Shorter way to create element and optionally set textContent. + function c(tag, textContent) { + var d = document.createElement(tag); + if (textContent) { + d.textContent = textContent; + } + return d; + } + + function simplifyArgs(args) { + if (typeof args === 'string') { + var MAX_STRING_LENGTH = 75; + return args.length <= MAX_STRING_LENGTH ? args : + args.substr(0, MAX_STRING_LENGTH) + '...'; + } + if (typeof args !== 'object' || args === null) { + return args; + } + if ('length' in args) { // array + var simpleArgs = [], i, ii; + var MAX_ITEMS = 10; + for (i = 0, ii = Math.min(MAX_ITEMS, args.length); i < ii; i++) { + simpleArgs.push(simplifyArgs(args[i])); + } + if (i < args.length) { + simpleArgs.push('...'); + } + return simpleArgs; + } + var simpleObj = {}; + for (var key in args) { + simpleObj[key] = simplifyArgs(args[key]); + } + return simpleObj; + } + + function Stepper(panel, pageIndex, initialBreakPoints) { + this.panel = panel; + this.breakPoint = 0; + this.nextBreakPoint = null; + this.pageIndex = pageIndex; + this.breakPoints = initialBreakPoints; + this.currentIdx = -1; + this.operatorListIdx = 0; + } + Stepper.prototype = { + init: function init(operatorList) { + var panel = this.panel; + var content = c('div', 'c=continue, s=step'); + var table = c('table'); + content.appendChild(table); + table.cellSpacing = 0; + var headerRow = c('tr'); + table.appendChild(headerRow); + headerRow.appendChild(c('th', 'Break')); + headerRow.appendChild(c('th', 'Idx')); + headerRow.appendChild(c('th', 'fn')); + headerRow.appendChild(c('th', 'args')); + panel.appendChild(content); + this.table = table; + this.updateOperatorList(operatorList); + }, + updateOperatorList: function updateOperatorList(operatorList) { + var self = this; + + function cboxOnClick() { + var x = +this.dataset.idx; + if (this.checked) { + self.breakPoints.push(x); + } else { + self.breakPoints.splice(self.breakPoints.indexOf(x), 1); + } + StepperManager.saveBreakPoints(self.pageIndex, self.breakPoints); + } + + var MAX_OPERATORS_COUNT = 15000; + if (this.operatorListIdx > MAX_OPERATORS_COUNT) { + return; + } + + var chunk = document.createDocumentFragment(); + var operatorsToDisplay = Math.min(MAX_OPERATORS_COUNT, + operatorList.fnArray.length); + for (var i = this.operatorListIdx; i < operatorsToDisplay; i++) { + var line = c('tr'); + line.className = 'line'; + line.dataset.idx = i; + chunk.appendChild(line); + var checked = this.breakPoints.indexOf(i) !== -1; + var args = operatorList.argsArray[i] || []; + + var breakCell = c('td'); + var cbox = c('input'); + cbox.type = 'checkbox'; + cbox.className = 'points'; + cbox.checked = checked; + cbox.dataset.idx = i; + cbox.onclick = cboxOnClick; + + breakCell.appendChild(cbox); + line.appendChild(breakCell); + line.appendChild(c('td', i.toString())); + var fn = opMap[operatorList.fnArray[i]]; + var decArgs = args; + if (fn === 'showText') { + var glyphs = args[0]; + var newArgs = []; + var str = []; + for (var j = 0; j < glyphs.length; j++) { + var glyph = glyphs[j]; + if (typeof glyph === 'object' && glyph !== null) { + str.push(glyph.fontChar); + } else { + if (str.length > 0) { + newArgs.push(str.join('')); + str = []; + } + newArgs.push(glyph); // null or number + } + } + if (str.length > 0) { + newArgs.push(str.join('')); + } + decArgs = [newArgs]; + } + line.appendChild(c('td', fn)); + line.appendChild(c('td', JSON.stringify(simplifyArgs(decArgs)))); + } + if (operatorsToDisplay < operatorList.fnArray.length) { + line = c('tr'); + var lastCell = c('td', '...'); + lastCell.colspan = 4; + chunk.appendChild(lastCell); + } + this.operatorListIdx = operatorList.fnArray.length; + this.table.appendChild(chunk); + }, + getNextBreakPoint: function getNextBreakPoint() { + this.breakPoints.sort(function(a, b) { return a - b; }); + for (var i = 0; i < this.breakPoints.length; i++) { + if (this.breakPoints[i] > this.currentIdx) { + return this.breakPoints[i]; + } + } + return null; + }, + breakIt: function breakIt(idx, callback) { + StepperManager.selectStepper(this.pageIndex, true); + var self = this; + var dom = document; + self.currentIdx = idx; + var listener = function(e) { + switch (e.keyCode) { + case 83: // step + dom.removeEventListener('keydown', listener, false); + self.nextBreakPoint = self.currentIdx + 1; + self.goTo(-1); + callback(); + break; + case 67: // continue + dom.removeEventListener('keydown', listener, false); + var breakPoint = self.getNextBreakPoint(); + self.nextBreakPoint = breakPoint; + self.goTo(-1); + callback(); + break; + } + }; + dom.addEventListener('keydown', listener, false); + self.goTo(idx); + }, + goTo: function goTo(idx) { + var allRows = this.panel.getElementsByClassName('line'); + for (var x = 0, xx = allRows.length; x < xx; ++x) { + var row = allRows[x]; + if ((row.dataset.idx | 0) === idx) { + row.style.backgroundColor = 'rgb(251,250,207)'; + row.scrollIntoView(); + } else { + row.style.backgroundColor = null; + } + } + } + }; + return Stepper; +})(); + +var Stats = (function Stats() { + var stats = []; + function clear(node) { + while (node.hasChildNodes()) { + node.removeChild(node.lastChild); + } + } + function getStatIndex(pageNumber) { + for (var i = 0, ii = stats.length; i < ii; ++i) { + if (stats[i].pageNumber === pageNumber) { + return i; + } + } + return false; + } + return { + // Properties/functions needed by PDFBug. + id: 'Stats', + name: 'Stats', + panel: null, + manager: null, + init: function init(pdfjsLib) { + this.panel.setAttribute('style', 'padding: 5px;'); + pdfjsLib.PDFJS.enableStats = true; + }, + enabled: false, + active: false, + // Stats specific functions. + add: function(pageNumber, stat) { + if (!stat) { + return; + } + var statsIndex = getStatIndex(pageNumber); + if (statsIndex !== false) { + var b = stats[statsIndex]; + this.panel.removeChild(b.div); + stats.splice(statsIndex, 1); + } + var wrapper = document.createElement('div'); + wrapper.className = 'stats'; + var title = document.createElement('div'); + title.className = 'title'; + title.textContent = 'Page: ' + pageNumber; + var statsDiv = document.createElement('div'); + statsDiv.textContent = stat.toString(); + wrapper.appendChild(title); + wrapper.appendChild(statsDiv); + stats.push({ pageNumber: pageNumber, div: wrapper }); + stats.sort(function(a, b) { return a.pageNumber - b.pageNumber; }); + clear(this.panel); + for (var i = 0, ii = stats.length; i < ii; ++i) { + this.panel.appendChild(stats[i].div); + } + }, + cleanup: function () { + stats = []; + clear(this.panel); + } + }; +})(); + +// Manages all the debugging tools. +var PDFBug = (function PDFBugClosure() { + var panelWidth = 300; + var buttons = []; + var activePanel = null; + + return { + tools: [ + FontInspector, + StepperManager, + Stats + ], + enable: function(ids) { + var all = false, tools = this.tools; + if (ids.length === 1 && ids[0] === 'all') { + all = true; + } + for (var i = 0; i < tools.length; ++i) { + var tool = tools[i]; + if (all || ids.indexOf(tool.id) !== -1) { + tool.enabled = true; + } + } + if (!all) { + // Sort the tools by the order they are enabled. + tools.sort(function(a, b) { + var indexA = ids.indexOf(a.id); + indexA = indexA < 0 ? tools.length : indexA; + var indexB = ids.indexOf(b.id); + indexB = indexB < 0 ? tools.length : indexB; + return indexA - indexB; + }); + } + }, + init: function init(pdfjsLib, container) { + /* + * Basic Layout: + * PDFBug + * Controls + * Panels + * Panel + * Panel + * ... + */ + var ui = document.createElement('div'); + ui.id = 'PDFBug'; + + var controls = document.createElement('div'); + controls.setAttribute('class', 'controls'); + ui.appendChild(controls); + + var panels = document.createElement('div'); + panels.setAttribute('class', 'panels'); + ui.appendChild(panels); + + container.appendChild(ui); + container.style.right = panelWidth + 'px'; + + // Initialize all the debugging tools. + var tools = this.tools; + var self = this; + for (var i = 0; i < tools.length; ++i) { + var tool = tools[i]; + var panel = document.createElement('div'); + var panelButton = document.createElement('button'); + panelButton.textContent = tool.name; + panelButton.addEventListener('click', (function(selected) { + return function(event) { + event.preventDefault(); + self.selectPanel(selected); + }; + })(i)); + controls.appendChild(panelButton); + panels.appendChild(panel); + tool.panel = panel; + tool.manager = this; + if (tool.enabled) { + tool.init(pdfjsLib); + } else { + panel.textContent = tool.name + ' is disabled. To enable add ' + + ' "' + tool.id + '" to the pdfBug parameter ' + + 'and refresh (separate multiple by commas).'; + } + buttons.push(panelButton); + } + this.selectPanel(0); + }, + cleanup: function cleanup() { + for (var i = 0, ii = this.tools.length; i < ii; i++) { + if (this.tools[i].enabled) { + this.tools[i].cleanup(); + } + } + }, + selectPanel: function selectPanel(index) { + if (typeof index !== 'number') { + index = this.tools.indexOf(index); + } + if (index === activePanel) { + return; + } + activePanel = index; + var tools = this.tools; + for (var j = 0; j < tools.length; ++j) { + if (j === index) { + buttons[j].setAttribute('class', 'active'); + tools[j].active = true; + tools[j].panel.removeAttribute('hidden'); + } else { + buttons[j].setAttribute('class', ''); + tools[j].active = false; + tools[j].panel.setAttribute('hidden', 'true'); + } + } + } + }; +})(); diff --git a/browser/extensions/pdfjs/content/web/images/annotation-check.svg 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b/browser/extensions/pdfjs/content/web/l10n.js new file mode 100644 index 000000000..2e0684e06 --- /dev/null +++ b/browser/extensions/pdfjs/content/web/l10n.js @@ -0,0 +1,151 @@ + +'use strict'; + +// Small subset of the webL10n API by Fabien Cazenave for pdf.js extension. +(function(window) { + var gLanguage = ''; + var gExternalLocalizerServices = null; + + // fetch an l10n objects + function getL10nData(key) { + var response = gExternalLocalizerServices.getStrings(key); + var data = JSON.parse(response); + if (!data) { + console.warn('[l10n] #' + key + ' missing for [' + gLanguage + ']'); + } + return data; + } + + // replace {{arguments}} with their values + function substArguments(text, args) { + if (!args) { + return text; + } + return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function(all, name) { + return (name in args ? args[name] : '{{' + name + '}}'); + }); + } + + // translate a string + function translateString(key, args, fallback) { + var i = key.lastIndexOf('.'); + var name, property; + if (i >= 0) { + name = key.substring(0, i); + property = key.substring(i + 1); + } else { + name = key; + property = 'textContent'; + } + var data = getL10nData(name); + var value = (data && data[property]) || fallback; + if (!value) { + return '{{' + key + '}}'; + } + return substArguments(value, args); + } + + // translate an HTML element + function translateElement(element) { + if (!element || !element.dataset) { + return; + } + + // get the related l10n object + var key = element.dataset.l10nId; + var data = getL10nData(key); + if (!data) { + return; + } + + // get arguments (if any) + // TODO: more flexible parser? + var args; + if (element.dataset.l10nArgs) { + try { + args = JSON.parse(element.dataset.l10nArgs); + } catch (e) { + console.warn('[l10n] could not parse arguments for #' + key + ''); + } + } + + // translate element + // TODO: security check? + for (var k in data) { + element[k] = substArguments(data[k], args); + } + } + + + // translate an HTML subtree + function translateFragment(element) { + element = element || document.querySelector('html'); + + // check all translatable children (= w/ a `data-l10n-id' attribute) + var children = element.querySelectorAll('*[data-l10n-id]'); + var elementCount = children.length; + for (var i = 0; i < elementCount; i++) { + translateElement(children[i]); + } + + // translate element itself if necessary + if (element.dataset.l10nId) { + translateElement(element); + } + } + + function translateDocument() { + gLanguage = gExternalLocalizerServices.getLocale(); + + translateFragment(); + + // fire a 'localized' DOM event + var evtObject = document.createEvent('Event'); + evtObject.initEvent('localized', false, false); + evtObject.language = gLanguage; + window.dispatchEvent(evtObject); + } + + window.addEventListener('DOMContentLoaded', function() { + if (gExternalLocalizerServices) { + translateDocument(); + } + // ... else see setExternalLocalizerServices below + }); + + // Public API + document.mozL10n = { + // get a localized string + get: translateString, + + // get the document language + getLanguage: function() { + return gLanguage; + }, + + // get the direction (ltr|rtl) of the current language + getDirection: function() { + // http://www.w3.org/International/questions/qa-scripts + // Arabic, Hebrew, Farsi, Pashto, Urdu + var rtlList = ['ar', 'he', 'fa', 'ps', 'ur']; + + // use the short language code for "full" codes like 'ar-sa' (issue 5440) + var shortCode = gLanguage.split('-')[0]; + + return (rtlList.indexOf(shortCode) >= 0) ? 'rtl' : 'ltr'; + }, + + setExternalLocalizerServices: function (externalLocalizerServices) { + gExternalLocalizerServices = externalLocalizerServices; + + // ... in case if we missed DOMContentLoaded above. + if (window.document.readyState === 'interactive' || + window.document.readyState === 'complete') { + translateDocument(); + } + }, + + // translate an element or document fragment + translate: translateFragment + }; +})(this); diff --git a/browser/extensions/pdfjs/content/web/viewer.css b/browser/extensions/pdfjs/content/web/viewer.css new file mode 100644 index 000000000..74b6fab86 --- /dev/null +++ b/browser/extensions/pdfjs/content/web/viewer.css @@ -0,0 +1,2034 @@ +/* Copyright 2014 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +.textLayer { + position: absolute; + left: 0; + top: 0; + right: 0; + bottom: 0; + overflow: hidden; + opacity: 0.2; + line-height: 1.0; +} + +.textLayer > div { + color: transparent; + position: absolute; + white-space: pre; + cursor: text; + -moz-transform-origin: 0% 0%; + transform-origin: 0% 0%; +} + +.textLayer .highlight { + margin: -1px; + padding: 1px; + + background-color: rgb(180, 0, 170); + border-radius: 4px; +} + +.textLayer .highlight.begin { + border-radius: 4px 0px 0px 4px; +} + +.textLayer .highlight.end { + border-radius: 0px 4px 4px 0px; +} + +.textLayer .highlight.middle { + border-radius: 0px; +} + +.textLayer .highlight.selected { + background-color: rgb(0, 100, 0); +} + +.textLayer ::selection { background: rgb(0,0,255); } +.textLayer ::-moz-selection { background: rgb(0,0,255); } + +.textLayer .endOfContent { + display: block; + position: absolute; + left: 0px; + top: 100%; + right: 0px; + bottom: 0px; + z-index: -1; + cursor: default; + -moz-user-select: none; +} + +.textLayer .endOfContent.active { + top: 0px; +} + + +.annotationLayer section { + position: absolute; +} + +.annotationLayer .linkAnnotation > a { + position: absolute; + font-size: 1em; + top: 0; + left: 0; + width: 100%; + height: 100%; +} + +.annotationLayer .linkAnnotation > a:hover { + opacity: 0.2; + background: #ff0; + box-shadow: 0px 2px 10px #ff0; +} + +.annotationLayer .textAnnotation img { + position: absolute; + cursor: pointer; +} + +.annotationLayer .textWidgetAnnotation input, +.annotationLayer .textWidgetAnnotation textarea, +.annotationLayer .choiceWidgetAnnotation select { + background-color: rgba(0, 54, 255, 0.13); + border: 1px solid transparent; + box-sizing: border-box; + font-size: 9px; + height: 100%; + padding: 0 3px; + vertical-align: top; + width: 100%; +} + +.annotationLayer .textWidgetAnnotation textarea { + font: message-box; + font-size: 9px; + resize: none; +} + +.annotationLayer .textWidgetAnnotation input[disabled], +.annotationLayer .textWidgetAnnotation textarea[disabled], +.annotationLayer .choiceWidgetAnnotation select[disabled] { + background: none; + border: 1px solid transparent; + cursor: not-allowed; +} + +.annotationLayer .textWidgetAnnotation input:hover, +.annotationLayer .textWidgetAnnotation textarea:hover, +.annotationLayer .choiceWidgetAnnotation select:hover { + border: 1px solid #000; +} + +.annotationLayer .textWidgetAnnotation input:focus, +.annotationLayer .textWidgetAnnotation textarea:focus, +.annotationLayer .choiceWidgetAnnotation select:focus { + background: none; + border: 1px solid transparent; +} + +.annotationLayer .textWidgetAnnotation input.comb { + font-family: monospace; + padding-left: 2px; + padding-right: 0; +} + +.annotationLayer .textWidgetAnnotation input.comb:focus { + /* + * Letter spacing is placed on the right side of each character. Hence, the + * letter spacing of the last character may be placed outside the visible + * area, causing horizontal scrolling. We avoid this by extending the width + * when the element has focus and revert this when it loses focus. + */ + width: 115%; +} + +.annotationLayer .popupWrapper { + position: absolute; + width: 20em; +} + +.annotationLayer .popup { + position: absolute; + z-index: 200; + max-width: 20em; + background-color: #FFFF99; + box-shadow: 0px 2px 5px #333; + border-radius: 2px; + padding: 0.6em; + margin-left: 5px; + cursor: pointer; + word-wrap: break-word; +} + +.annotationLayer .popup h1 { + font-size: 1em; + border-bottom: 1px solid #000000; + padding-bottom: 0.2em; +} + +.annotationLayer .popup p { + padding-top: 0.2em; +} + +.annotationLayer .highlightAnnotation, +.annotationLayer .underlineAnnotation, +.annotationLayer .squigglyAnnotation, +.annotationLayer .strikeoutAnnotation, +.annotationLayer .fileAttachmentAnnotation { + cursor: pointer; +} + +.pdfViewer .canvasWrapper { + overflow: hidden; +} + +.pdfViewer .page { + direction: ltr; + width: 816px; + height: 1056px; + margin: 1px auto -8px auto; + position: relative; + overflow: visible; + border: 9px solid transparent; + background-clip: content-box; + border-image: url(images/shadow.png) 9 9 repeat; + background-color: white; +} + +.pdfViewer.removePageBorders .page { + margin: 0px auto 10px auto; + border: none; +} + +.pdfViewer.singlePageView { + display: inline-block; +} + +.pdfViewer.singlePageView .page { + margin: 0; + border: none; +} + +.pdfViewer .page canvas { + margin: 0; + display: block; +} + +.pdfViewer .page .loadingIcon { + position: absolute; + display: block; + left: 0; + top: 0; + right: 0; + bottom: 0; + background: url('images/loading-icon.gif') center no-repeat; +} + +.pdfPresentationMode:-moz-full-screen .pdfViewer .page { + margin-bottom: 100%; + border: 0; +} + +.pdfPresentationMode:fullscreen .pdfViewer .page { + margin-bottom: 100%; + border: 0; +} + +* { + padding: 0; + margin: 0; +} + +html { + height: 100%; + width: 100%; + /* Font size is needed to make the activity bar the correct size. */ + font-size: 10px; +} + +body { + height: 100%; + width: 100%; + background-color: #404040; + background-image: url(images/texture.png); +} + +body, +input, +button, +select { + font: message-box; + outline: none; +} + +.hidden { + display: none !important; +} +[hidden] { + display: none !important; +} + +#viewerContainer.pdfPresentationMode:-moz-full-screen { + top: 0px; + border-top: 2px solid transparent; + background-color: #000; + width: 100%; + height: 100%; + overflow: hidden; + cursor: none; + -moz-user-select: none; +} + +#viewerContainer.pdfPresentationMode:fullscreen { + top: 0px; + border-top: 2px solid transparent; + background-color: #000; + width: 100%; + height: 100%; + overflow: hidden; + cursor: none; + -moz-user-select: none; +} + +.pdfPresentationMode:-moz-full-screen a:not(.internalLink) { + display: none; +} + +.pdfPresentationMode:fullscreen a:not(.internalLink) { + display: none; +} + +.pdfPresentationMode:-moz-full-screen .textLayer > div { + cursor: none; +} + +.pdfPresentationMode:fullscreen .textLayer > div { + cursor: none; +} + +.pdfPresentationMode.pdfPresentationModeControls > *, +.pdfPresentationMode.pdfPresentationModeControls .textLayer > div { + cursor: default; +} + +#outerContainer { + width: 100%; + height: 100%; + position: relative; +} + +#sidebarContainer { + position: absolute; + top: 0; + bottom: 0; + width: 200px; + visibility: hidden; + transition-duration: 200ms; + transition-timing-function: ease; + +} +html[dir='ltr'] #sidebarContainer { + transition-property: left; + left: -200px; +} +html[dir='rtl'] #sidebarContainer { + transition-property: right; + right: -200px; +} + +#outerContainer.sidebarMoving > #sidebarContainer, +#outerContainer.sidebarOpen > #sidebarContainer { + visibility: visible; +} +html[dir='ltr'] #outerContainer.sidebarOpen > #sidebarContainer { + left: 0px; +} +html[dir='rtl'] #outerContainer.sidebarOpen > #sidebarContainer { + right: 0px; +} + +#mainContainer { + position: absolute; + top: 0; + right: 0; + bottom: 0; + left: 0; + min-width: 320px; + transition-duration: 200ms; + transition-timing-function: ease; +} +html[dir='ltr'] #outerContainer.sidebarOpen > #mainContainer { + transition-property: left; + left: 200px; +} +html[dir='rtl'] #outerContainer.sidebarOpen > #mainContainer { + transition-property: right; + right: 200px; +} + +#sidebarContent { + top: 32px; + bottom: 0; + overflow: auto; + position: absolute; + width: 200px; + background-color: hsla(0,0%,0%,.1); +} +html[dir='ltr'] #sidebarContent { + left: 0; + box-shadow: inset -1px 0 0 hsla(0,0%,0%,.25); +} +html[dir='rtl'] #sidebarContent { + right: 0; + box-shadow: inset 1px 0 0 hsla(0,0%,0%,.25); +} + +#viewerContainer { + overflow: auto; + position: absolute; + top: 32px; + right: 0; + bottom: 0; + left: 0; + outline: none; +} +html[dir='ltr'] #viewerContainer { + box-shadow: inset 1px 0 0 hsla(0,0%,100%,.05); +} +html[dir='rtl'] #viewerContainer { + box-shadow: inset -1px 0 0 hsla(0,0%,100%,.05); +} + +.toolbar { + position: relative; + left: 0; + right: 0; + z-index: 9999; + cursor: default; +} + +#toolbarContainer { + width: 100%; +} + +#toolbarSidebar { + width: 200px; + height: 32px; + background-color: #424242; /* fallback */ + background-image: url(images/texture.png), + linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95)); +} +html[dir='ltr'] #toolbarSidebar { + box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.25), + inset 0 -1px 0 hsla(0,0%,100%,.05), + 0 1px 0 hsla(0,0%,0%,.15), + 0 0 1px hsla(0,0%,0%,.1); +} +html[dir='rtl'] #toolbarSidebar { + box-shadow: inset 1px 0 0 rgba(0, 0, 0, 0.25), + inset 0 1px 0 hsla(0,0%,100%,.05), + 0 1px 0 hsla(0,0%,0%,.15), + 0 0 1px hsla(0,0%,0%,.1); +} + +#toolbarContainer, .findbar, .secondaryToolbar { + position: relative; + height: 32px; + background-color: #474747; /* fallback */ + background-image: url(images/texture.png), + linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95)); +} +html[dir='ltr'] #toolbarContainer, .findbar, .secondaryToolbar { + box-shadow: inset 1px 0 0 hsla(0,0%,100%,.08), + inset 0 1px 1px hsla(0,0%,0%,.15), + inset 0 -1px 0 hsla(0,0%,100%,.05), + 0 1px 0 hsla(0,0%,0%,.15), + 0 1px 1px hsla(0,0%,0%,.1); +} +html[dir='rtl'] #toolbarContainer, .findbar, .secondaryToolbar { + box-shadow: inset -1px 0 0 hsla(0,0%,100%,.08), + inset 0 1px 1px hsla(0,0%,0%,.15), + inset 0 -1px 0 hsla(0,0%,100%,.05), + 0 1px 0 hsla(0,0%,0%,.15), + 0 1px 1px hsla(0,0%,0%,.1); +} + +#toolbarViewer { + height: 32px; +} + +#loadingBar { + position: relative; + width: 100%; + height: 4px; + background-color: #333; + border-bottom: 1px solid #333; +} + +#loadingBar .progress { + position: absolute; + top: 0; + left: 0; + width: 0%; + height: 100%; + background-color: #ddd; + overflow: hidden; + transition: width 200ms; +} + +@keyframes progressIndeterminate { + 0% { left: -142px; } + 100% { left: 0; } +} + +#loadingBar .progress.indeterminate { + background-color: #999; + transition: none; +} + +#loadingBar .progress.indeterminate .glimmer { + position: absolute; + top: 0; + left: 0; + height: 100%; + width: calc(100% + 150px); + + background: repeating-linear-gradient(135deg, + #bbb 0, #999 5px, + #999 45px, #ddd 55px, + #ddd 95px, #bbb 100px); + + animation: progressIndeterminate 950ms linear infinite; +} + +.findbar, .secondaryToolbar { + top: 32px; + position: absolute; + z-index: 10000; + height: 32px; + + min-width: 16px; + padding: 0px 6px 0px 6px; + margin: 4px 2px 4px 2px; + color: hsl(0,0%,85%); + font-size: 12px; + line-height: 14px; + text-align: left; + cursor: default; +} + +html[dir='ltr'] .findbar { + left: 68px; +} + +html[dir='rtl'] .findbar { + right: 68px; +} + +.findbar label { + -moz-user-select: none; +} + +#findInput[data-status="pending"] { + background-image: url(images/loading-small.png); + background-repeat: no-repeat; + background-position: right; +} +html[dir='rtl'] #findInput[data-status="pending"] { + background-position: left; +} + +.secondaryToolbar { + padding: 6px; + height: auto; + z-index: 30000; +} +html[dir='ltr'] .secondaryToolbar { + right: 4px; +} +html[dir='rtl'] .secondaryToolbar { + left: 4px; +} + +#secondaryToolbarButtonContainer { + max-width: 200px; + max-height: 400px; + overflow-y: auto; + margin-bottom: -4px; +} + +.doorHanger, +.doorHangerRight { + border: 1px solid hsla(0,0%,0%,.5); + border-radius: 2px; + box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3); +} +.doorHanger:after, .doorHanger:before, +.doorHangerRight:after, .doorHangerRight:before { + bottom: 100%; + border: solid transparent; + content: " "; + height: 0; + width: 0; + position: absolute; + pointer-events: none; +} +.doorHanger:after, +.doorHangerRight:after { + border-bottom-color: hsla(0,0%,32%,.99); + border-width: 8px; +} +.doorHanger:before, +.doorHangerRight:before { + border-bottom-color: hsla(0,0%,0%,.5); + border-width: 9px; +} + +html[dir='ltr'] .doorHanger:after, +html[dir='rtl'] .doorHangerRight:after { + left: 13px; + margin-left: -8px; +} + +html[dir='ltr'] .doorHanger:before, +html[dir='rtl'] .doorHangerRight:before { + left: 13px; + margin-left: -9px; +} + +html[dir='rtl'] .doorHanger:after, +html[dir='ltr'] .doorHangerRight:after { + right: 13px; + margin-right: -8px; +} + +html[dir='rtl'] .doorHanger:before, +html[dir='ltr'] .doorHangerRight:before { + right: 13px; + margin-right: -9px; +} + +#findResultsCount { + background-color: hsl(0, 0%, 85%); + color: hsl(0, 0%, 32%); + text-align: center; + padding: 3px 4px; +} + +#findMsg { + font-style: italic; + color: #A6B7D0; +} + +#findInput.notFound { + background-color: rgb(255, 102, 102); +} + +#toolbarViewerMiddle { + position: absolute; + left: 50%; + transform: translateX(-50%); +} + +html[dir='ltr'] #toolbarViewerLeft, +html[dir='rtl'] #toolbarViewerRight { + float: left; +} +html[dir='ltr'] #toolbarViewerRight, +html[dir='rtl'] #toolbarViewerLeft { + float: right; +} +html[dir='ltr'] #toolbarViewerLeft > *, +html[dir='ltr'] #toolbarViewerMiddle > *, +html[dir='ltr'] #toolbarViewerRight > *, +html[dir='ltr'] .findbar > * { + position: relative; + float: left; +} +html[dir='rtl'] #toolbarViewerLeft > *, +html[dir='rtl'] #toolbarViewerMiddle > *, +html[dir='rtl'] #toolbarViewerRight > *, +html[dir='rtl'] .findbar > * { + position: relative; + float: right; +} + +html[dir='ltr'] .splitToolbarButton { + margin: 3px 2px 4px 0; + display: inline-block; +} +html[dir='rtl'] .splitToolbarButton { + margin: 3px 0 4px 2px; + display: inline-block; +} +html[dir='ltr'] .splitToolbarButton > .toolbarButton { + border-radius: 0; + float: left; +} +html[dir='rtl'] .splitToolbarButton > .toolbarButton { + border-radius: 0; + float: right; +} + +.toolbarButton, +.secondaryToolbarButton, +.overlayButton { + border: 0 none; + background: none; + width: 32px; + height: 25px; +} + +.toolbarButton > span { + display: inline-block; + width: 0; + height: 0; + overflow: hidden; +} + +.toolbarButton[disabled], +.secondaryToolbarButton[disabled], +.overlayButton[disabled] { + opacity: .5; +} + +.toolbarButton.group { + margin-right: 0; +} + +.splitToolbarButton.toggled .toolbarButton { + margin: 0; +} + +.splitToolbarButton:hover > .toolbarButton, +.splitToolbarButton:focus > .toolbarButton, +.splitToolbarButton.toggled > .toolbarButton, +.toolbarButton.textButton { + background-color: hsla(0,0%,0%,.12); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + background-clip: padding-box; + border: 1px solid hsla(0,0%,0%,.35); + border-color: hsla(0,0%,0%,.32) hsla(0,0%,0%,.38) hsla(0,0%,0%,.42); + box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, + 0 0 1px hsla(0,0%,100%,.15) inset, + 0 1px 0 hsla(0,0%,100%,.05); + transition-property: background-color, border-color, box-shadow; + transition-duration: 150ms; + transition-timing-function: ease; + +} +.splitToolbarButton > .toolbarButton:hover, +.splitToolbarButton > .toolbarButton:focus, +.dropdownToolbarButton:hover, +.overlayButton:hover, +.overlayButton:focus, +.toolbarButton.textButton:hover, +.toolbarButton.textButton:focus { + background-color: hsla(0,0%,0%,.2); + box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, + 0 0 1px hsla(0,0%,100%,.15) inset, + 0 0 1px hsla(0,0%,0%,.05); + z-index: 199; +} +.splitToolbarButton > .toolbarButton { + position: relative; +} +html[dir='ltr'] .splitToolbarButton > .toolbarButton:first-child, +html[dir='rtl'] .splitToolbarButton > .toolbarButton:last-child { + position: relative; + margin: 0; + margin-right: -1px; + border-top-left-radius: 2px; + border-bottom-left-radius: 2px; + border-right-color: transparent; +} +html[dir='ltr'] .splitToolbarButton > .toolbarButton:last-child, +html[dir='rtl'] .splitToolbarButton > .toolbarButton:first-child { + position: relative; + margin: 0; + margin-left: -1px; + border-top-right-radius: 2px; + border-bottom-right-radius: 2px; + border-left-color: transparent; +} +.splitToolbarButtonSeparator { + padding: 8px 0; + width: 1px; + background-color: hsla(0,0%,0%,.5); + z-index: 99; + box-shadow: 0 0 0 1px hsla(0,0%,100%,.08); + display: inline-block; + margin: 5px 0; +} +html[dir='ltr'] .splitToolbarButtonSeparator { + float: left; +} +html[dir='rtl'] .splitToolbarButtonSeparator { + float: right; +} +.splitToolbarButton:hover > .splitToolbarButtonSeparator, +.splitToolbarButton.toggled > .splitToolbarButtonSeparator { + padding: 12px 0; + margin: 1px 0; + box-shadow: 0 0 0 1px hsla(0,0%,100%,.03); + transition-property: padding; + transition-duration: 10ms; + transition-timing-function: ease; +} + +.toolbarButton, +.dropdownToolbarButton, +.secondaryToolbarButton, +.overlayButton { + min-width: 16px; + padding: 2px 6px 0; + border: 1px solid transparent; + border-radius: 2px; + color: hsla(0,0%,100%,.8); + font-size: 12px; + line-height: 14px; + -moz-user-select: none; + /* Opera does not support user-select, use <... unselectable="on"> instead */ + cursor: default; + transition-property: background-color, border-color, box-shadow; + transition-duration: 150ms; + transition-timing-function: ease; +} + +html[dir='ltr'] .toolbarButton, +html[dir='ltr'] .overlayButton, +html[dir='ltr'] .dropdownToolbarButton { + margin: 3px 2px 4px 0; +} +html[dir='rtl'] .toolbarButton, +html[dir='rtl'] .overlayButton, +html[dir='rtl'] .dropdownToolbarButton { + margin: 3px 0 4px 2px; +} + +.toolbarButton:hover, +.toolbarButton:focus, +.dropdownToolbarButton, +.overlayButton, +.secondaryToolbarButton:hover, +.secondaryToolbarButton:focus { + background-color: hsla(0,0%,0%,.12); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + background-clip: padding-box; + border: 1px solid hsla(0,0%,0%,.35); + border-color: hsla(0,0%,0%,.32) hsla(0,0%,0%,.38) hsla(0,0%,0%,.42); + box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, + 0 0 1px hsla(0,0%,100%,.15) inset, + 0 1px 0 hsla(0,0%,100%,.05); +} + +.toolbarButton:hover:active, +.overlayButton:hover:active, +.dropdownToolbarButton:hover:active, +.secondaryToolbarButton:hover:active { + background-color: hsla(0,0%,0%,.2); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + border-color: hsla(0,0%,0%,.35) hsla(0,0%,0%,.4) hsla(0,0%,0%,.45); + box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset, + 0 0 1px hsla(0,0%,0%,.2) inset, + 0 1px 0 hsla(0,0%,100%,.05); + transition-property: background-color, border-color, box-shadow; + transition-duration: 10ms; + transition-timing-function: linear; +} + +.toolbarButton.toggled, +.splitToolbarButton.toggled > .toolbarButton.toggled, +.secondaryToolbarButton.toggled { + background-color: hsla(0,0%,0%,.3); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + border-color: hsla(0,0%,0%,.4) hsla(0,0%,0%,.45) hsla(0,0%,0%,.5); + box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset, + 0 0 1px hsla(0,0%,0%,.2) inset, + 0 1px 0 hsla(0,0%,100%,.05); + transition-property: background-color, border-color, box-shadow; + transition-duration: 10ms; + transition-timing-function: linear; +} + +.toolbarButton.toggled:hover:active, +.splitToolbarButton.toggled > .toolbarButton.toggled:hover:active, +.secondaryToolbarButton.toggled:hover:active { + background-color: hsla(0,0%,0%,.4); + border-color: hsla(0,0%,0%,.4) hsla(0,0%,0%,.5) hsla(0,0%,0%,.55); + box-shadow: 0 1px 1px hsla(0,0%,0%,.2) inset, + 0 0 1px hsla(0,0%,0%,.3) inset, + 0 1px 0 hsla(0,0%,100%,.05); +} + +.dropdownToolbarButton { + width: 120px; + max-width: 120px; + padding: 0; + overflow: hidden; + background: url(images/toolbarButton-menuArrows.png) no-repeat; +} +html[dir='ltr'] .dropdownToolbarButton { + background-position: 95%; +} +html[dir='rtl'] .dropdownToolbarButton { + background-position: 5%; +} + +.dropdownToolbarButton > select { + min-width: 140px; + font-size: 12px; + color: hsl(0,0%,95%); + margin: 0; + padding: 3px 2px 2px; + border: none; + background: rgba(0,0,0,0); /* Opera does not support 'transparent' <select> background */ +} + +.dropdownToolbarButton > select > option { + background: hsl(0,0%,24%); +} + +#customScaleOption { + display: none; +} + +#pageWidthOption { + border-bottom: 1px rgba(255, 255, 255, .5) solid; +} + +html[dir='ltr'] .splitToolbarButton:first-child, +html[dir='ltr'] .toolbarButton:first-child, +html[dir='rtl'] .splitToolbarButton:last-child, +html[dir='rtl'] .toolbarButton:last-child { + margin-left: 4px; +} +html[dir='ltr'] .splitToolbarButton:last-child, +html[dir='ltr'] .toolbarButton:last-child, +html[dir='rtl'] .splitToolbarButton:first-child, +html[dir='rtl'] .toolbarButton:first-child { + margin-right: 4px; +} + +.toolbarButtonSpacer { + width: 30px; + display: inline-block; + height: 1px; +} + +.toolbarButtonFlexibleSpacer { + -moz-box-flex: 1; + min-width: 30px; +} + +html[dir='ltr'] #findPrevious { + margin-left: 3px; +} +html[dir='ltr'] #findNext { + margin-right: 3px; +} + +html[dir='rtl'] #findPrevious { + margin-right: 3px; +} +html[dir='rtl'] #findNext { + margin-left: 3px; +} + +.toolbarButton::before, +.secondaryToolbarButton::before { + /* All matching images have a size of 16x16 + * All relevant containers have a size of 32x25 */ + position: absolute; + display: inline-block; + top: 4px; + left: 7px; +} + +html[dir="ltr"] .secondaryToolbarButton::before { + left: 4px; +} +html[dir="rtl"] .secondaryToolbarButton::before { + right: 4px; +} + +html[dir='ltr'] .toolbarButton#sidebarToggle::before { + content: url(images/toolbarButton-sidebarToggle.png); +} +html[dir='rtl'] .toolbarButton#sidebarToggle::before { + content: url(images/toolbarButton-sidebarToggle-rtl.png); +} + +html[dir='ltr'] .toolbarButton#secondaryToolbarToggle::before { + content: url(images/toolbarButton-secondaryToolbarToggle.png); +} +html[dir='rtl'] .toolbarButton#secondaryToolbarToggle::before { + content: url(images/toolbarButton-secondaryToolbarToggle-rtl.png); +} + +html[dir='ltr'] .toolbarButton.findPrevious::before { + content: url(images/findbarButton-previous.png); +} +html[dir='rtl'] .toolbarButton.findPrevious::before { + content: url(images/findbarButton-previous-rtl.png); +} + +html[dir='ltr'] .toolbarButton.findNext::before { + content: url(images/findbarButton-next.png); +} +html[dir='rtl'] .toolbarButton.findNext::before { + content: url(images/findbarButton-next-rtl.png); +} + +html[dir='ltr'] .toolbarButton.pageUp::before { + content: url(images/toolbarButton-pageUp.png); +} +html[dir='rtl'] .toolbarButton.pageUp::before { + content: url(images/toolbarButton-pageUp-rtl.png); +} + +html[dir='ltr'] .toolbarButton.pageDown::before { + content: url(images/toolbarButton-pageDown.png); +} +html[dir='rtl'] .toolbarButton.pageDown::before { + content: url(images/toolbarButton-pageDown-rtl.png); +} + +.toolbarButton.zoomOut::before { + content: url(images/toolbarButton-zoomOut.png); +} + +.toolbarButton.zoomIn::before { + content: url(images/toolbarButton-zoomIn.png); +} + +.toolbarButton.presentationMode::before, +.secondaryToolbarButton.presentationMode::before { + content: url(images/toolbarButton-presentationMode.png); +} + +.toolbarButton.print::before, +.secondaryToolbarButton.print::before { + content: url(images/toolbarButton-print.png); +} + +.toolbarButton.openFile::before, +.secondaryToolbarButton.openFile::before { + content: url(images/toolbarButton-openFile.png); +} + +.toolbarButton.download::before, +.secondaryToolbarButton.download::before { + content: url(images/toolbarButton-download.png); +} + +.toolbarButton.bookmark, +.secondaryToolbarButton.bookmark { + box-sizing: border-box; + outline: none; + padding-top: 4px; + text-decoration: none; +} +.secondaryToolbarButton.bookmark { + padding-top: 5px; +} + +.bookmark[href='#'] { + opacity: .5; + pointer-events: none; +} + +.toolbarButton.bookmark::before, +.secondaryToolbarButton.bookmark::before { + content: url(images/toolbarButton-bookmark.png); +} + +#viewThumbnail.toolbarButton::before { + content: url(images/toolbarButton-viewThumbnail.png); +} + +html[dir="ltr"] #viewOutline.toolbarButton::before { + content: url(images/toolbarButton-viewOutline.png); +} +html[dir="rtl"] #viewOutline.toolbarButton::before { + content: url(images/toolbarButton-viewOutline-rtl.png); +} + +#viewAttachments.toolbarButton::before { + content: url(images/toolbarButton-viewAttachments.png); +} + +#viewFind.toolbarButton::before { + content: url(images/toolbarButton-search.png); +} + +.secondaryToolbarButton { + position: relative; + margin: 0 0 4px 0; + padding: 3px 0 1px 0; + height: auto; + min-height: 25px; + width: auto; + min-width: 100%; + white-space: normal; +} +html[dir="ltr"] .secondaryToolbarButton { + padding-left: 24px; + text-align: left; +} +html[dir="rtl"] .secondaryToolbarButton { + padding-right: 24px; + text-align: right; +} +html[dir="ltr"] .secondaryToolbarButton.bookmark { + padding-left: 27px; +} +html[dir="rtl"] .secondaryToolbarButton.bookmark { + padding-right: 27px; +} + +html[dir="ltr"] .secondaryToolbarButton > span { + padding-right: 4px; +} +html[dir="rtl"] .secondaryToolbarButton > span { + padding-left: 4px; +} + +.secondaryToolbarButton.firstPage::before { + content: url(images/secondaryToolbarButton-firstPage.png); +} + +.secondaryToolbarButton.lastPage::before { + content: url(images/secondaryToolbarButton-lastPage.png); +} + +.secondaryToolbarButton.rotateCcw::before { + content: url(images/secondaryToolbarButton-rotateCcw.png); +} + +.secondaryToolbarButton.rotateCw::before { + content: url(images/secondaryToolbarButton-rotateCw.png); +} + +.secondaryToolbarButton.handTool::before { + content: url(images/secondaryToolbarButton-handTool.png); +} + +.secondaryToolbarButton.documentProperties::before { + content: url(images/secondaryToolbarButton-documentProperties.png); +} + +.verticalToolbarSeparator { + display: block; + padding: 8px 0; + margin: 8px 4px; + width: 1px; + background-color: hsla(0,0%,0%,.5); + box-shadow: 0 0 0 1px hsla(0,0%,100%,.08); +} +html[dir='ltr'] .verticalToolbarSeparator { + margin-left: 2px; +} +html[dir='rtl'] .verticalToolbarSeparator { + margin-right: 2px; +} + +.horizontalToolbarSeparator { + display: block; + margin: 0 0 4px 0; + height: 1px; + width: 100%; + background-color: hsla(0,0%,0%,.5); + box-shadow: 0 0 0 1px hsla(0,0%,100%,.08); +} + +.toolbarField { + padding: 3px 6px; + margin: 4px 0 4px 0; + border: 1px solid transparent; + border-radius: 2px; + background-color: hsla(0,0%,100%,.09); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + background-clip: padding-box; + border: 1px solid hsla(0,0%,0%,.35); + border-color: hsla(0,0%,0%,.32) hsla(0,0%,0%,.38) hsla(0,0%,0%,.42); + box-shadow: 0 1px 0 hsla(0,0%,0%,.05) inset, + 0 1px 0 hsla(0,0%,100%,.05); + color: hsl(0,0%,95%); + font-size: 12px; + line-height: 14px; + outline-style: none; + transition-property: background-color, border-color, box-shadow; + transition-duration: 150ms; + transition-timing-function: ease; +} + +.toolbarField[type=checkbox] { + display: inline-block; + margin: 8px 0px; +} + +.toolbarField.pageNumber { + -moz-appearance: textfield; /* hides the spinner in moz */ + min-width: 16px; + text-align: right; + width: 40px; +} + +.toolbarField.pageNumber.visiblePageIsLoading { + background-image: url(images/loading-small.png); + background-repeat: no-repeat; + background-position: 1px; +} + +.toolbarField:hover { + background-color: hsla(0,0%,100%,.11); + border-color: hsla(0,0%,0%,.4) hsla(0,0%,0%,.43) hsla(0,0%,0%,.45); +} + +.toolbarField:focus { + background-color: hsla(0,0%,100%,.15); + border-color: hsla(204,100%,65%,.8) hsla(204,100%,65%,.85) hsla(204,100%,65%,.9); +} + +.toolbarLabel { + min-width: 16px; + padding: 3px 6px 3px 2px; + margin: 4px 2px 4px 0; + border: 1px solid transparent; + border-radius: 2px; + color: hsl(0,0%,85%); + font-size: 12px; + line-height: 14px; + text-align: left; + -moz-user-select: none; + cursor: default; +} + +#thumbnailView { + position: absolute; + width: 120px; + top: 0; + bottom: 0; + padding: 10px 40px 0; + overflow: auto; +} + +.thumbnail { + float: left; + margin-bottom: 5px; +} + +#thumbnailView > a:last-of-type > .thumbnail { + margin-bottom: 10px; +} + +#thumbnailView > a:last-of-type > .thumbnail:not([data-loaded]) { + margin-bottom: 9px; +} + +.thumbnail:not([data-loaded]) { + border: 1px dashed rgba(255, 255, 255, 0.5); + margin: -1px -1px 4px -1px; +} + +.thumbnailImage { + border: 1px solid transparent; + box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3); + opacity: 0.8; + z-index: 99; + background-color: white; + background-clip: content-box; +} + +.thumbnailSelectionRing { + border-radius: 2px; + padding: 7px; +} + +a:focus > .thumbnail > .thumbnailSelectionRing > .thumbnailImage, +.thumbnail:hover > .thumbnailSelectionRing > .thumbnailImage { + opacity: .9; +} + +a:focus > .thumbnail > .thumbnailSelectionRing, +.thumbnail:hover > .thumbnailSelectionRing { + background-color: hsla(0,0%,100%,.15); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + background-clip: padding-box; + box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, + 0 0 1px hsla(0,0%,100%,.2) inset, + 0 0 1px hsla(0,0%,0%,.2); + color: hsla(0,0%,100%,.9); +} + +.thumbnail.selected > .thumbnailSelectionRing > .thumbnailImage { + box-shadow: 0 0 0 1px hsla(0,0%,0%,.5); + opacity: 1; +} + +.thumbnail.selected > .thumbnailSelectionRing { + background-color: hsla(0,0%,100%,.3); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + background-clip: padding-box; + box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, + 0 0 1px hsla(0,0%,100%,.1) inset, + 0 0 1px hsla(0,0%,0%,.2); + color: hsla(0,0%,100%,1); +} + +#outlineView, +#attachmentsView { + position: absolute; + width: 192px; + top: 0; + bottom: 0; + overflow: auto; + -moz-user-select: none; +} + +#outlineView { + padding: 4px 4px 0; +} +#attachmentsView { + padding: 3px 4px 0; +} + +html[dir='ltr'] .outlineWithDeepNesting > .outlineItem, +html[dir='ltr'] .outlineItem > .outlineItems { + margin-left: 20px; +} + +html[dir='rtl'] .outlineWithDeepNesting > .outlineItem, +html[dir='rtl'] .outlineItem > .outlineItems { + margin-right: 20px; +} + +.outlineItem > a, +.attachmentsItem > button { + text-decoration: none; + display: inline-block; + min-width: 95%; + min-width: calc(100% - 4px); /* Subtract the right padding (left, in RTL mode) + of the container. */ + height: auto; + margin-bottom: 1px; + border-radius: 2px; + color: hsla(0,0%,100%,.8); + font-size: 13px; + line-height: 15px; + -moz-user-select: none; + white-space: normal; +} + +.attachmentsItem > button { + border: 0 none; + background: none; + cursor: pointer; + width: 100%; +} + +html[dir='ltr'] .outlineItem > a { + padding: 2px 0 5px 4px; +} +html[dir='ltr'] .attachmentsItem > button { + padding: 2px 0 3px 7px; + text-align: left; +} + +html[dir='rtl'] .outlineItem > a { + padding: 2px 4px 5px 0; +} +html[dir='rtl'] .attachmentsItem > button { + padding: 2px 7px 3px 0; + text-align: right; +} + +.outlineItemToggler { + position: relative; + height: 0; + width: 0; + color: hsla(0,0%,100%,.5); +} +.outlineItemToggler::before { + content: url(images/treeitem-expanded.png); + display: inline-block; + position: absolute; +} +html[dir='ltr'] .outlineItemToggler.outlineItemsHidden::before { + content: url(images/treeitem-collapsed.png); +} +html[dir='rtl'] .outlineItemToggler.outlineItemsHidden::before { + content: url(images/treeitem-collapsed-rtl.png); +} +.outlineItemToggler.outlineItemsHidden ~ .outlineItems { + display: none; +} +html[dir='ltr'] .outlineItemToggler { + float: left; +} +html[dir='rtl'] .outlineItemToggler { + float: right; +} +html[dir='ltr'] .outlineItemToggler::before { + right: 4px; +} +html[dir='rtl'] .outlineItemToggler::before { + left: 4px; +} + +.outlineItemToggler:hover, +.outlineItemToggler:hover + a, +.outlineItemToggler:hover ~ .outlineItems, +.outlineItem > a:hover, +.attachmentsItem > button:hover { + background-color: hsla(0,0%,100%,.02); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + background-clip: padding-box; + box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, + 0 0 1px hsla(0,0%,100%,.2) inset, + 0 0 1px hsla(0,0%,0%,.2); + border-radius: 2px; + color: hsla(0,0%,100%,.9); +} + +.outlineItem.selected { + background-color: hsla(0,0%,100%,.08); + background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0)); + background-clip: padding-box; + box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, + 0 0 1px hsla(0,0%,100%,.1) inset, + 0 0 1px hsla(0,0%,0%,.2); + color: hsla(0,0%,100%,1); +} + +.noResults { + font-size: 12px; + color: hsla(0,0%,100%,.8); + font-style: italic; + cursor: default; +} + +/* TODO: file FF bug to support ::-moz-selection:window-inactive + so we can override the opaque grey background when the window is inactive; + see https://bugzilla.mozilla.org/show_bug.cgi?id=706209 */ +::selection { background: rgba(0,0,255,0.3); } +::-moz-selection { background: rgba(0,0,255,0.3); } + +#errorWrapper { + background: none repeat scroll 0 0 #FF5555; + color: white; + left: 0; + position: absolute; + right: 0; + z-index: 1000; + padding: 3px; + font-size: 0.8em; +} +.loadingInProgress #errorWrapper { + top: 37px; +} + +#errorMessageLeft { + float: left; +} + +#errorMessageRight { + float: right; +} + +#errorMoreInfo { + background-color: #FFFFFF; + color: black; + padding: 3px; + margin: 3px; + width: 98%; +} + +.overlayButton { + width: auto; + margin: 3px 4px 2px 4px !important; + padding: 2px 6px 3px 6px; +} + +#overlayContainer { + display: table; + position: absolute; + width: 100%; + height: 100%; + background-color: hsla(0,0%,0%,.2); + z-index: 40000; +} +#overlayContainer > * { + overflow: auto; +} + +#overlayContainer > .container { + display: table-cell; + vertical-align: middle; + text-align: center; +} + +#overlayContainer > .container > .dialog { + display: inline-block; + padding: 15px; + border-spacing: 4px; + color: hsl(0,0%,85%); + font-size: 12px; + line-height: 14px; + background-color: #474747; /* fallback */ + background-image: url(images/texture.png), + linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95)); + box-shadow: inset 1px 0 0 hsla(0,0%,100%,.08), + inset 0 1px 1px hsla(0,0%,0%,.15), + inset 0 -1px 0 hsla(0,0%,100%,.05), + 0 1px 0 hsla(0,0%,0%,.15), + 0 1px 1px hsla(0,0%,0%,.1); + border: 1px solid hsla(0,0%,0%,.5); + border-radius: 4px; + box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3); +} + +.dialog > .row { + display: table-row; +} + +.dialog > .row > * { + display: table-cell; +} + +.dialog .toolbarField { + margin: 5px 0; +} + +.dialog .separator { + display: block; + margin: 4px 0 4px 0; + height: 1px; + width: 100%; + background-color: hsla(0,0%,0%,.5); + box-shadow: 0 0 0 1px hsla(0,0%,100%,.08); +} + +.dialog .buttonRow { + text-align: center; + vertical-align: middle; +} + +.dialog :link { + color: white; +} + +#passwordOverlay > .dialog { + text-align: center; +} +#passwordOverlay .toolbarField { + width: 200px; +} + +#documentPropertiesOverlay > .dialog { + text-align: left; +} +#documentPropertiesOverlay .row > * { + min-width: 100px; +} +html[dir='ltr'] #documentPropertiesOverlay .row > * { + text-align: left; +} +html[dir='rtl'] #documentPropertiesOverlay .row > * { + text-align: right; +} +#documentPropertiesOverlay .row > span { + width: 125px; + word-wrap: break-word; +} +#documentPropertiesOverlay .row > p { + max-width: 225px; + word-wrap: break-word; +} +#documentPropertiesOverlay .buttonRow { + margin-top: 10px; +} + +.clearBoth { + clear: both; +} + +.fileInput { + background: white; + color: black; + margin-top: 5px; + visibility: hidden; + position: fixed; + right: 0; + top: 0; +} + +#PDFBug { + background: none repeat scroll 0 0 white; + border: 1px solid #666666; + position: fixed; + top: 32px; + right: 0; + bottom: 0; + font-size: 10px; + padding: 0; + width: 300px; +} +#PDFBug .controls { + background:#EEEEEE; + border-bottom: 1px solid #666666; + padding: 3px; +} +#PDFBug .panels { + bottom: 0; + left: 0; + overflow: auto; + position: absolute; + right: 0; + top: 27px; +} +#PDFBug button.active { + font-weight: bold; +} +.debuggerShowText { + background: none repeat scroll 0 0 yellow; + color: blue; +} +.debuggerHideText:hover { + background: none repeat scroll 0 0 yellow; +} +#PDFBug .stats { + font-family: courier; + font-size: 10px; + white-space: pre; +} +#PDFBug .stats .title { + font-weight: bold; +} +#PDFBug table { + font-size: 10px; +} + +#viewer.textLayer-visible .textLayer { + opacity: 1.0; +} + +#viewer.textLayer-visible .canvasWrapper { + background-color: rgb(128,255,128); +} + +#viewer.textLayer-visible .canvasWrapper canvas { + mix-blend-mode: screen; +} + +#viewer.textLayer-visible .textLayer > div { + background-color: rgba(255, 255, 0, 0.1); + color: black; + border: solid 1px rgba(255, 0, 0, 0.5); + box-sizing: border-box; +} + +#viewer.textLayer-hover .textLayer > div:hover { + background-color: white; + color: black; +} + +#viewer.textLayer-shadow .textLayer > div { + background-color: rgba(255,255,255, .6); + color: black; +} + +.grab-to-pan-grab { + cursor: url("images/grab.cur"), move !important; + cursor: grab !important; +} +.grab-to-pan-grab *:not(input):not(textarea):not(button):not(select):not(:link) { + cursor: inherit !important; +} +.grab-to-pan-grab:active, +.grab-to-pan-grabbing { + cursor: url("images/grabbing.cur"), move !important; + cursor: grabbing !important; + + position: fixed; + background: transparent; + display: block; + top: 0; + left: 0; + right: 0; + bottom: 0; + overflow: hidden; + z-index: 50000; /* should be higher than anything else in PDF.js! */ +} + +@page { + margin: 0; +} + +#printContainer { + display: none; +} + +@media screen and (min-resolution: 2dppx) { + /* Rules for Retina screens */ + .toolbarButton::before { + transform: scale(0.5); + top: -5px; + } + + .secondaryToolbarButton::before { + transform: scale(0.5); + top: -4px; + } + + html[dir='ltr'] .toolbarButton::before, + html[dir='rtl'] .toolbarButton::before { + left: -1px; + } + + html[dir='ltr'] .secondaryToolbarButton::before { + left: -2px; + } + html[dir='rtl'] .secondaryToolbarButton::before { + left: 186px; + } + + .toolbarField.pageNumber.visiblePageIsLoading, + #findInput[data-status="pending"] { + background-image: url(images/loading-small@2x.png); + background-size: 16px 17px; + } + + .dropdownToolbarButton { + background: url(images/toolbarButton-menuArrows@2x.png) no-repeat; + background-size: 7px 16px; + } + + html[dir='ltr'] .toolbarButton#sidebarToggle::before { + content: url(images/toolbarButton-sidebarToggle@2x.png); + } + html[dir='rtl'] .toolbarButton#sidebarToggle::before { + content: url(images/toolbarButton-sidebarToggle-rtl@2x.png); + } + + html[dir='ltr'] .toolbarButton#secondaryToolbarToggle::before { + content: url(images/toolbarButton-secondaryToolbarToggle@2x.png); + } + html[dir='rtl'] .toolbarButton#secondaryToolbarToggle::before { + content: url(images/toolbarButton-secondaryToolbarToggle-rtl@2x.png); + } + + html[dir='ltr'] .toolbarButton.findPrevious::before { + content: url(images/findbarButton-previous@2x.png); + } + html[dir='rtl'] .toolbarButton.findPrevious::before { + content: url(images/findbarButton-previous-rtl@2x.png); + } + + html[dir='ltr'] .toolbarButton.findNext::before { + content: url(images/findbarButton-next@2x.png); + } + html[dir='rtl'] .toolbarButton.findNext::before { + content: url(images/findbarButton-next-rtl@2x.png); + } + + html[dir='ltr'] .toolbarButton.pageUp::before { + content: url(images/toolbarButton-pageUp@2x.png); + } + html[dir='rtl'] .toolbarButton.pageUp::before { + content: url(images/toolbarButton-pageUp-rtl@2x.png); + } + + html[dir='ltr'] .toolbarButton.pageDown::before { + content: url(images/toolbarButton-pageDown@2x.png); + } + html[dir='rtl'] .toolbarButton.pageDown::before { + content: url(images/toolbarButton-pageDown-rtl@2x.png); + } + + .toolbarButton.zoomIn::before { + content: url(images/toolbarButton-zoomIn@2x.png); + } + + .toolbarButton.zoomOut::before { + content: url(images/toolbarButton-zoomOut@2x.png); + } + + .toolbarButton.presentationMode::before, + .secondaryToolbarButton.presentationMode::before { + content: url(images/toolbarButton-presentationMode@2x.png); + } + + .toolbarButton.print::before, + .secondaryToolbarButton.print::before { + content: url(images/toolbarButton-print@2x.png); + } + + .toolbarButton.openFile::before, + .secondaryToolbarButton.openFile::before { + content: url(images/toolbarButton-openFile@2x.png); + } + + .toolbarButton.download::before, + .secondaryToolbarButton.download::before { + content: url(images/toolbarButton-download@2x.png); + } + + .toolbarButton.bookmark::before, + .secondaryToolbarButton.bookmark::before { + content: url(images/toolbarButton-bookmark@2x.png); + } + + #viewThumbnail.toolbarButton::before { + content: url(images/toolbarButton-viewThumbnail@2x.png); + } + + html[dir="ltr"] #viewOutline.toolbarButton::before { + content: url(images/toolbarButton-viewOutline@2x.png); + } + html[dir="rtl"] #viewOutline.toolbarButton::before { + content: url(images/toolbarButton-viewOutline-rtl@2x.png); + } + + #viewAttachments.toolbarButton::before { + content: url(images/toolbarButton-viewAttachments@2x.png); + } + + #viewFind.toolbarButton::before { + content: url(images/toolbarButton-search@2x.png); + } + + .secondaryToolbarButton.firstPage::before { + content: url(images/secondaryToolbarButton-firstPage@2x.png); + } + + .secondaryToolbarButton.lastPage::before { + content: url(images/secondaryToolbarButton-lastPage@2x.png); + } + + .secondaryToolbarButton.rotateCcw::before { + content: url(images/secondaryToolbarButton-rotateCcw@2x.png); + } + + .secondaryToolbarButton.rotateCw::before { + content: url(images/secondaryToolbarButton-rotateCw@2x.png); + } + + .secondaryToolbarButton.handTool::before { + content: url(images/secondaryToolbarButton-handTool@2x.png); + } + + .secondaryToolbarButton.documentProperties::before { + content: url(images/secondaryToolbarButton-documentProperties@2x.png); + } + + .outlineItemToggler::before { + transform: scale(0.5); + top: -1px; + content: url(images/treeitem-expanded@2x.png); + } + html[dir='ltr'] .outlineItemToggler.outlineItemsHidden::before { + content: url(images/treeitem-collapsed@2x.png); + } + html[dir='rtl'] .outlineItemToggler.outlineItemsHidden::before { + content: url(images/treeitem-collapsed-rtl@2x.png); + } + html[dir='ltr'] .outlineItemToggler::before { + right: 0; + } + html[dir='rtl'] .outlineItemToggler::before { + left: 0; + } +} + +@media print { + /* General rules for printing. */ + body { + background: transparent none; + } + + /* Rules for browsers that don't support mozPrintCallback. */ + #sidebarContainer, #secondaryToolbar, .toolbar, #loadingBox, #errorWrapper, .textLayer { + display: none; + } + #viewerContainer { + overflow: visible; + } + + #mainContainer, #viewerContainer, .page, .page canvas { + position: static; + padding: 0; + margin: 0; + } + + .page { + float: left; + display: none; + border: none; + box-shadow: none; + background-clip: content-box; + background-color: white; + } + + .page[data-loaded] { + display: block; + } + + .fileInput { + display: none; + } + + /* Rules for browsers that support PDF.js printing */ + body[data-pdfjsprinting] #outerContainer { + display: none; + } + body[data-pdfjsprinting] #printContainer { + display: block; + } + #printContainer { + height: 100%; + } + /* wrapper around (scaled) print canvas elements */ + #printContainer > div { + position: relative; + top: 0; + left: 0; + width: 1px; + height: 1px; + overflow: visible; + page-break-after: always; + page-break-inside: avoid; + } + #printContainer canvas, + #printContainer img { + display: block; + } +} + +.visibleLargeView, +.visibleMediumView, +.visibleSmallView { + display: none; +} + +@media all and (max-width: 1040px) { + #outerContainer.sidebarMoving #toolbarViewerMiddle, + #outerContainer.sidebarOpen #toolbarViewerMiddle { + display: table; + margin: auto; + left: auto; + position: inherit; + transform: none; + } +} + +@media all and (max-width: 980px) { + .sidebarMoving .hiddenLargeView, + .sidebarOpen .hiddenLargeView { + display: none; + } + .sidebarMoving .visibleLargeView, + .sidebarOpen .visibleLargeView { + display: inherit; + } +} + +@media all and (max-width: 900px) { + #toolbarViewerMiddle { + display: table; + margin: auto; + left: auto; + position: inherit; + transform: none; + } + .sidebarMoving .hiddenMediumView, + .sidebarOpen .hiddenMediumView { + display: none; + } + .sidebarMoving .visibleMediumView, + .sidebarOpen .visibleMediumView { + display: inherit; + } +} + +@media all and (max-width: 840px) { + #sidebarContainer { + top: 32px; + z-index: 100; + } + .loadingInProgress #sidebarContainer { + top: 37px; + } + #sidebarContent { + top: 32px; + background-color: hsla(0,0%,0%,.7); + } + + html[dir='ltr'] #outerContainer.sidebarOpen > #mainContainer { + left: 0px; + } + html[dir='rtl'] #outerContainer.sidebarOpen > #mainContainer { + right: 0px; + } + + #outerContainer .hiddenLargeView, + #outerContainer .hiddenMediumView { + display: inherit; + } + #outerContainer .visibleLargeView, + #outerContainer .visibleMediumView { + display: none; + } +} + +@media all and (max-width: 770px) { + #outerContainer .hiddenLargeView { + display: none; + } + #outerContainer .visibleLargeView { + display: inherit; + } +} + +@media all and (max-width: 700px) { + #outerContainer .hiddenMediumView { + display: none; + } + #outerContainer .visibleMediumView { + display: inherit; + } +} + +@media all and (max-width: 640px) { + .hiddenSmallView { + display: none; + } + .visibleSmallView { + display: inherit; + } + .toolbarButtonSpacer { + width: 0; + } +} + +@media all and (max-width: 535px) { + #scaleSelectContainer { + display: none; + } +} diff --git a/browser/extensions/pdfjs/content/web/viewer.html b/browser/extensions/pdfjs/content/web/viewer.html new file mode 100644 index 000000000..3a06aa7b1 --- /dev/null +++ b/browser/extensions/pdfjs/content/web/viewer.html @@ -0,0 +1,337 @@ +<!DOCTYPE html> +<!-- +Copyright 2012 Mozilla Foundation + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +Adobe CMap resources are covered by their own copyright but the same license: + + Copyright 1990-2015 Adobe Systems Incorporated. + +See https://github.com/adobe-type-tools/cmap-resources +--> +<html dir="ltr" mozdisallowselectionprint moznomarginboxes> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> + <title>PDF.js viewer</title> + +<!-- This snippet is used in the Firefox extension (included from viewer.html) --> +<base href="resource://pdf.js/web/"> +<script src="l10n.js"></script> +<script src="../build/pdf.js"></script> + + + <link rel="stylesheet" href="viewer.css"> + + + + + + + <script src="viewer.js"></script> + + </head> + + <body tabindex="1" class="loadingInProgress"> + <div id="outerContainer"> + + <div id="sidebarContainer"> + <div id="toolbarSidebar"> + <div class="splitToolbarButton toggled"> + <button id="viewThumbnail" class="toolbarButton group toggled" title="Show Thumbnails" tabindex="2" data-l10n-id="thumbs"> + <span data-l10n-id="thumbs_label">Thumbnails</span> + </button> + <button id="viewOutline" class="toolbarButton group" title="Show Document Outline (double-click to expand/collapse all items)" tabindex="3" data-l10n-id="document_outline"> + <span data-l10n-id="document_outline_label">Document Outline</span> + </button> + <button id="viewAttachments" class="toolbarButton group" title="Show Attachments" tabindex="4" data-l10n-id="attachments"> + <span data-l10n-id="attachments_label">Attachments</span> + </button> + </div> + </div> + <div id="sidebarContent"> + <div id="thumbnailView"> + </div> + <div id="outlineView" class="hidden"> + </div> + <div id="attachmentsView" class="hidden"> + </div> + </div> + </div> <!-- sidebarContainer --> + + <div id="mainContainer"> + <div class="findbar hidden doorHanger hiddenSmallView" id="findbar"> + <label for="findInput" class="toolbarLabel" data-l10n-id="find_label">Find:</label> + <input id="findInput" class="toolbarField" tabindex="91"> + <div class="splitToolbarButton"> + <button class="toolbarButton findPrevious" title="" id="findPrevious" tabindex="92" data-l10n-id="find_previous"> + <span data-l10n-id="find_previous_label">Previous</span> + </button> + <div class="splitToolbarButtonSeparator"></div> + <button class="toolbarButton findNext" title="" id="findNext" tabindex="93" data-l10n-id="find_next"> + <span data-l10n-id="find_next_label">Next</span> + </button> + </div> + <input type="checkbox" id="findHighlightAll" class="toolbarField" tabindex="94"> + <label for="findHighlightAll" class="toolbarLabel" data-l10n-id="find_highlight">Highlight all</label> + <input type="checkbox" id="findMatchCase" class="toolbarField" tabindex="95"> + <label for="findMatchCase" class="toolbarLabel" data-l10n-id="find_match_case_label">Match case</label> + <span id="findResultsCount" class="toolbarLabel hidden"></span> + <span id="findMsg" class="toolbarLabel"></span> + </div> <!-- findbar --> + + <div id="secondaryToolbar" class="secondaryToolbar hidden doorHangerRight"> + <div id="secondaryToolbarButtonContainer"> + <button id="secondaryPresentationMode" class="secondaryToolbarButton presentationMode visibleLargeView" title="Switch to Presentation Mode" tabindex="51" data-l10n-id="presentation_mode"> + <span data-l10n-id="presentation_mode_label">Presentation Mode</span> + </button> + + <button id="secondaryOpenFile" class="secondaryToolbarButton openFile visibleLargeView" title="Open File" tabindex="52" data-l10n-id="open_file"> + <span data-l10n-id="open_file_label">Open</span> + </button> + + <button id="secondaryPrint" class="secondaryToolbarButton print visibleMediumView" title="Print" tabindex="53" data-l10n-id="print"> + <span data-l10n-id="print_label">Print</span> + </button> + + <button id="secondaryDownload" class="secondaryToolbarButton download visibleMediumView" title="Download" tabindex="54" data-l10n-id="download"> + <span data-l10n-id="download_label">Download</span> + </button> + + <a href="#" id="secondaryViewBookmark" class="secondaryToolbarButton bookmark visibleSmallView" title="Current view (copy or open in new window)" tabindex="55" data-l10n-id="bookmark"> + <span data-l10n-id="bookmark_label">Current View</span> + </a> + + <div class="horizontalToolbarSeparator visibleLargeView"></div> + + <button id="firstPage" class="secondaryToolbarButton firstPage" title="Go to First Page" tabindex="56" data-l10n-id="first_page"> + <span data-l10n-id="first_page_label">Go to First Page</span> + </button> + <button id="lastPage" class="secondaryToolbarButton lastPage" title="Go to Last Page" tabindex="57" data-l10n-id="last_page"> + <span data-l10n-id="last_page_label">Go to Last Page</span> + </button> + + <div class="horizontalToolbarSeparator"></div> + + <button id="pageRotateCw" class="secondaryToolbarButton rotateCw" title="Rotate Clockwise" tabindex="58" data-l10n-id="page_rotate_cw"> + <span data-l10n-id="page_rotate_cw_label">Rotate Clockwise</span> + </button> + <button id="pageRotateCcw" class="secondaryToolbarButton rotateCcw" title="Rotate Counterclockwise" tabindex="59" data-l10n-id="page_rotate_ccw"> + <span data-l10n-id="page_rotate_ccw_label">Rotate Counterclockwise</span> + </button> + + <div class="horizontalToolbarSeparator"></div> + + <button id="toggleHandTool" class="secondaryToolbarButton handTool" title="Enable hand tool" tabindex="60" data-l10n-id="hand_tool_enable"> + <span data-l10n-id="hand_tool_enable_label">Enable hand tool</span> + </button> + + <div class="horizontalToolbarSeparator"></div> + + <button id="documentProperties" class="secondaryToolbarButton documentProperties" title="Document Properties…" tabindex="61" data-l10n-id="document_properties"> + <span data-l10n-id="document_properties_label">Document Properties…</span> + </button> + </div> + </div> <!-- secondaryToolbar --> + + <div class="toolbar"> + <div id="toolbarContainer"> + <div id="toolbarViewer"> + <div id="toolbarViewerLeft"> + <button id="sidebarToggle" class="toolbarButton" title="Toggle Sidebar" tabindex="11" data-l10n-id="toggle_sidebar"> + <span data-l10n-id="toggle_sidebar_label">Toggle Sidebar</span> + </button> + <div class="toolbarButtonSpacer"></div> + <button id="viewFind" class="toolbarButton group hiddenSmallView" title="Find in Document" tabindex="12" data-l10n-id="findbar"> + <span data-l10n-id="findbar_label">Find</span> + </button> + <div class="splitToolbarButton"> + <button class="toolbarButton pageUp" title="Previous Page" id="previous" tabindex="13" data-l10n-id="previous"> + <span data-l10n-id="previous_label">Previous</span> + </button> + <div class="splitToolbarButtonSeparator"></div> + <button class="toolbarButton pageDown" title="Next Page" id="next" tabindex="14" data-l10n-id="next"> + <span data-l10n-id="next_label">Next</span> + </button> + </div> + <input type="number" id="pageNumber" class="toolbarField pageNumber" title="Page" value="1" size="4" min="1" tabindex="15" data-l10n-id="page"> + <span id="numPages" class="toolbarLabel"></span> + </div> + <div id="toolbarViewerRight"> + <button id="presentationMode" class="toolbarButton presentationMode hiddenLargeView" title="Switch to Presentation Mode" tabindex="31" data-l10n-id="presentation_mode"> + <span data-l10n-id="presentation_mode_label">Presentation Mode</span> + </button> + + <button id="openFile" class="toolbarButton openFile hiddenLargeView" title="Open File" tabindex="32" data-l10n-id="open_file"> + <span data-l10n-id="open_file_label">Open</span> + </button> + + <button id="print" class="toolbarButton print hiddenMediumView" title="Print" tabindex="33" data-l10n-id="print"> + <span data-l10n-id="print_label">Print</span> + </button> + + <button id="download" class="toolbarButton download hiddenMediumView" title="Download" tabindex="34" data-l10n-id="download"> + <span data-l10n-id="download_label">Download</span> + </button> + <a href="#" id="viewBookmark" class="toolbarButton bookmark hiddenSmallView" title="Current view (copy or open in new window)" tabindex="35" data-l10n-id="bookmark"> + <span data-l10n-id="bookmark_label">Current View</span> + </a> + + <div class="verticalToolbarSeparator hiddenSmallView"></div> + + <button id="secondaryToolbarToggle" class="toolbarButton" title="Tools" tabindex="36" data-l10n-id="tools"> + <span data-l10n-id="tools_label">Tools</span> + </button> + </div> + <div id="toolbarViewerMiddle"> + <div class="splitToolbarButton"> + <button id="zoomOut" class="toolbarButton zoomOut" title="Zoom Out" tabindex="21" data-l10n-id="zoom_out"> + <span data-l10n-id="zoom_out_label">Zoom Out</span> + </button> + <div class="splitToolbarButtonSeparator"></div> + <button id="zoomIn" class="toolbarButton zoomIn" title="Zoom In" tabindex="22" data-l10n-id="zoom_in"> + <span data-l10n-id="zoom_in_label">Zoom In</span> + </button> + </div> + <span id="scaleSelectContainer" class="dropdownToolbarButton"> + <select id="scaleSelect" title="Zoom" tabindex="23" data-l10n-id="zoom"> + <option id="pageAutoOption" title="" value="auto" selected="selected" data-l10n-id="page_scale_auto">Automatic Zoom</option> + <option id="pageActualOption" title="" value="page-actual" data-l10n-id="page_scale_actual">Actual Size</option> + <option id="pageFitOption" title="" value="page-fit" data-l10n-id="page_scale_fit">Fit Page</option> + <option id="pageWidthOption" title="" value="page-width" data-l10n-id="page_scale_width">Full Width</option> + <option id="customScaleOption" title="" value="custom" disabled="disabled" hidden="true"></option> + <option title="" value="0.5" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 50 }'>50%</option> + <option title="" value="0.75" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 75 }'>75%</option> + <option title="" value="1" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 100 }'>100%</option> + <option title="" value="1.25" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 125 }'>125%</option> + <option title="" value="1.5" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 150 }'>150%</option> + <option title="" value="2" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 200 }'>200%</option> + <option title="" value="3" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 300 }'>300%</option> + <option title="" value="4" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 400 }'>400%</option> + </select> + </span> + </div> + </div> + <div id="loadingBar"> + <div class="progress"> + <div class="glimmer"> + </div> + </div> + </div> + </div> + </div> + + <menu type="context" id="viewerContextMenu"> + <menuitem id="contextFirstPage" label="First Page" + data-l10n-id="first_page"></menuitem> + <menuitem id="contextLastPage" label="Last Page" + data-l10n-id="last_page"></menuitem> + <menuitem id="contextPageRotateCw" label="Rotate Clockwise" + data-l10n-id="page_rotate_cw"></menuitem> + <menuitem id="contextPageRotateCcw" label="Rotate Counter-Clockwise" + data-l10n-id="page_rotate_ccw"></menuitem> + </menu> + + <div id="viewerContainer" tabindex="0"> + <div id="viewer" class="pdfViewer"></div> + </div> + + <div id="errorWrapper" hidden='true'> + <div id="errorMessageLeft"> + <span id="errorMessage"></span> + <button id="errorShowMore" data-l10n-id="error_more_info"> + More Information + </button> + <button id="errorShowLess" data-l10n-id="error_less_info" hidden='true'> + Less Information + </button> + </div> + <div id="errorMessageRight"> + <button id="errorClose" data-l10n-id="error_close"> + Close + </button> + </div> + <div class="clearBoth"></div> + <textarea id="errorMoreInfo" hidden='true' readonly="readonly"></textarea> + </div> + </div> <!-- mainContainer --> + + <div id="overlayContainer" class="hidden"> + <div id="passwordOverlay" class="container hidden"> + <div class="dialog"> + <div class="row"> + <p id="passwordText" data-l10n-id="password_label">Enter the password to open this PDF file:</p> + </div> + <div class="row"> + <!-- The type="password" attribute is set via script, to prevent warnings in Firefox for all http:// documents. --> + <input id="password" class="toolbarField"> + </div> + <div class="buttonRow"> + <button id="passwordCancel" class="overlayButton"><span data-l10n-id="password_cancel">Cancel</span></button> + <button id="passwordSubmit" class="overlayButton"><span data-l10n-id="password_ok">OK</span></button> + </div> + </div> + </div> + <div id="documentPropertiesOverlay" class="container hidden"> + <div class="dialog"> + <div class="row"> + <span data-l10n-id="document_properties_file_name">File name:</span> <p id="fileNameField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_file_size">File size:</span> <p id="fileSizeField">-</p> + </div> + <div class="separator"></div> + <div class="row"> + <span data-l10n-id="document_properties_title">Title:</span> <p id="titleField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_author">Author:</span> <p id="authorField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_subject">Subject:</span> <p id="subjectField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_keywords">Keywords:</span> <p id="keywordsField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_creation_date">Creation Date:</span> <p id="creationDateField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_modification_date">Modification Date:</span> <p id="modificationDateField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_creator">Creator:</span> <p id="creatorField">-</p> + </div> + <div class="separator"></div> + <div class="row"> + <span data-l10n-id="document_properties_producer">PDF Producer:</span> <p id="producerField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_version">PDF Version:</span> <p id="versionField">-</p> + </div> + <div class="row"> + <span data-l10n-id="document_properties_page_count">Page Count:</span> <p id="pageCountField">-</p> + </div> + <div class="buttonRow"> + <button id="documentPropertiesClose" class="overlayButton"><span data-l10n-id="document_properties_close">Close</span></button> + </div> + </div> + </div> + </div> <!-- overlayContainer --> + + </div> <!-- outerContainer --> + <div id="printContainer"></div> + </body> +</html> + diff --git a/browser/extensions/pdfjs/content/web/viewer.js b/browser/extensions/pdfjs/content/web/viewer.js new file mode 100644 index 000000000..35fef2cd0 --- /dev/null +++ b/browser/extensions/pdfjs/content/web/viewer.js @@ -0,0 +1,8671 @@ +/* Copyright 2016 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +'use strict'; +var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf'; +; +var pdfjsWebLibs; +{ + pdfjsWebLibs = { pdfjsWebPDFJS: window.pdfjsDistBuildPdf }; + (function () { + (function (root, factory) { + factory(root.pdfjsWebGrabToPan = {}); + }(this, function (exports) { + /** + * Construct a GrabToPan instance for a given HTML element. + * @param options.element {Element} + * @param options.ignoreTarget {function} optional. See `ignoreTarget(node)` + * @param options.onActiveChanged {function(boolean)} optional. Called + * when grab-to-pan is (de)activated. The first argument is a boolean that + * shows whether grab-to-pan is activated. + */ + function GrabToPan(options) { + this.element = options.element; + this.document = options.element.ownerDocument; + if (typeof options.ignoreTarget === 'function') { + this.ignoreTarget = options.ignoreTarget; + } + this.onActiveChanged = options.onActiveChanged; + // Bind the contexts to ensure that `this` always points to + // the GrabToPan instance. + this.activate = this.activate.bind(this); + this.deactivate = this.deactivate.bind(this); + this.toggle = this.toggle.bind(this); + this._onmousedown = this._onmousedown.bind(this); + this._onmousemove = this._onmousemove.bind(this); + this._endPan = this._endPan.bind(this); + // This overlay will be inserted in the document when the mouse moves during + // a grab operation, to ensure that the cursor has the desired appearance. + var overlay = this.overlay = document.createElement('div'); + overlay.className = 'grab-to-pan-grabbing'; + } + GrabToPan.prototype = { + /** + * Class name of element which can be grabbed + */ + CSS_CLASS_GRAB: 'grab-to-pan-grab', + /** + * Bind a mousedown event to the element to enable grab-detection. + */ + activate: function GrabToPan_activate() { + if (!this.active) { + this.active = true; + this.element.addEventListener('mousedown', this._onmousedown, true); + this.element.classList.add(this.CSS_CLASS_GRAB); + if (this.onActiveChanged) { + this.onActiveChanged(true); + } + } + }, + /** + * Removes all events. Any pending pan session is immediately stopped. + */ + deactivate: function GrabToPan_deactivate() { + if (this.active) { + this.active = false; + this.element.removeEventListener('mousedown', this._onmousedown, true); + this._endPan(); + this.element.classList.remove(this.CSS_CLASS_GRAB); + if (this.onActiveChanged) { + this.onActiveChanged(false); + } + } + }, + toggle: function GrabToPan_toggle() { + if (this.active) { + this.deactivate(); + } else { + this.activate(); + } + }, + /** + * Whether to not pan if the target element is clicked. + * Override this method to change the default behaviour. + * + * @param node {Element} The target of the event + * @return {boolean} Whether to not react to the click event. + */ + ignoreTarget: function GrabToPan_ignoreTarget(node) { + // Use matchesSelector to check whether the clicked element + // is (a child of) an input element / link + return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option'); + }, + /** + * @private + */ + _onmousedown: function GrabToPan__onmousedown(event) { + if (event.button !== 0 || this.ignoreTarget(event.target)) { + return; + } + if (event.originalTarget) { + try { + event.originalTarget.tagName; + } catch (e) { + // Mozilla-specific: element is a scrollbar (XUL element) + return; + } + } + this.scrollLeftStart = this.element.scrollLeft; + this.scrollTopStart = this.element.scrollTop; + this.clientXStart = event.clientX; + this.clientYStart = event.clientY; + this.document.addEventListener('mousemove', this._onmousemove, true); + this.document.addEventListener('mouseup', this._endPan, true); + // When a scroll event occurs before a mousemove, assume that the user + // dragged a scrollbar (necessary for Opera Presto, Safari and IE) + // (not needed for Chrome/Firefox) + this.element.addEventListener('scroll', this._endPan, true); + event.preventDefault(); + event.stopPropagation(); + var focusedElement = document.activeElement; + if (focusedElement && !focusedElement.contains(event.target)) { + focusedElement.blur(); + } + }, + /** + * @private + */ + _onmousemove: function GrabToPan__onmousemove(event) { + this.element.removeEventListener('scroll', this._endPan, true); + if (isLeftMouseReleased(event)) { + this._endPan(); + return; + } + var xDiff = event.clientX - this.clientXStart; + var yDiff = event.clientY - this.clientYStart; + var scrollTop = this.scrollTopStart - yDiff; + var scrollLeft = this.scrollLeftStart - xDiff; + if (this.element.scrollTo) { + this.element.scrollTo({ + top: scrollTop, + left: scrollLeft, + behavior: 'instant' + }); + } else { + this.element.scrollTop = scrollTop; + this.element.scrollLeft = scrollLeft; + } + if (!this.overlay.parentNode) { + document.body.appendChild(this.overlay); + } + }, + /** + * @private + */ + _endPan: function GrabToPan__endPan() { + this.element.removeEventListener('scroll', this._endPan, true); + this.document.removeEventListener('mousemove', this._onmousemove, true); + this.document.removeEventListener('mouseup', this._endPan, true); + if (this.overlay.parentNode) { + this.overlay.parentNode.removeChild(this.overlay); + } + } + }; + // Get the correct (vendor-prefixed) name of the matches method. + var matchesSelector; + [ + 'webkitM', + 'mozM', + 'msM', + 'oM', + 'm' + ].some(function (prefix) { + var name = prefix + 'atches'; + if (name in document.documentElement) { + matchesSelector = name; + } + name += 'Selector'; + if (name in document.documentElement) { + matchesSelector = name; + } + return matchesSelector; + }); + // If found, then truthy, and [].some() ends. + // Browser sniffing because it's impossible to feature-detect + // whether event.which for onmousemove is reliable + var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9; + var chrome = window.chrome; + var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app); + // ^ Chrome 15+ ^ Opera 15+ + var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent); + /** + * Whether the left mouse is not pressed. + * @param event {MouseEvent} + * @return {boolean} True if the left mouse button is not pressed. + * False if unsure or if the left mouse button is pressed. + */ + function isLeftMouseReleased(event) { + if ('buttons' in event && isNotIEorIsIE10plus) { + // http://www.w3.org/TR/DOM-Level-3-Events/#events-MouseEvent-buttons + // Firefox 15+ + // Internet Explorer 10+ + return !(event.buttons & 1); + } + if (isChrome15OrOpera15plus || isSafari6plus) { + // Chrome 14+ + // Opera 15+ + // Safari 6.0+ + return event.which === 0; + } + } + exports.GrabToPan = GrabToPan; + })); + (function (root, factory) { + factory(root.pdfjsWebOverlayManager = {}); + }(this, function (exports) { + var OverlayManager = { + overlays: {}, + active: null, + /** + * @param {string} name The name of the overlay that is registered. + * @param {HTMLDivElement} element The overlay's DOM element. + * @param {function} callerCloseMethod (optional) The method that, if present, + * will call OverlayManager.close from the Object + * registering the overlay. Access to this method is + * necessary in order to run cleanup code when e.g. + * the overlay is force closed. The default is null. + * @param {boolean} canForceClose (optional) Indicates if opening the overlay + * will close an active overlay. The default is false. + * @returns {Promise} A promise that is resolved when the overlay has been + * registered. + */ + register: function overlayManagerRegister(name, element, callerCloseMethod, canForceClose) { + return new Promise(function (resolve) { + var container; + if (!name || !element || !(container = element.parentNode)) { + throw new Error('Not enough parameters.'); + } else if (this.overlays[name]) { + throw new Error('The overlay is already registered.'); + } + this.overlays[name] = { + element: element, + container: container, + callerCloseMethod: callerCloseMethod || null, + canForceClose: canForceClose || false + }; + resolve(); + }.bind(this)); + }, + /** + * @param {string} name The name of the overlay that is unregistered. + * @returns {Promise} A promise that is resolved when the overlay has been + * unregistered. + */ + unregister: function overlayManagerUnregister(name) { + return new Promise(function (resolve) { + if (!this.overlays[name]) { + throw new Error('The overlay does not exist.'); + } else if (this.active === name) { + throw new Error('The overlay cannot be removed while it is active.'); + } + delete this.overlays[name]; + resolve(); + }.bind(this)); + }, + /** + * @param {string} name The name of the overlay that should be opened. + * @returns {Promise} A promise that is resolved when the overlay has been + * opened. + */ + open: function overlayManagerOpen(name) { + return new Promise(function (resolve) { + if (!this.overlays[name]) { + throw new Error('The overlay does not exist.'); + } else if (this.active) { + if (this.overlays[name].canForceClose) { + this._closeThroughCaller(); + } else if (this.active === name) { + throw new Error('The overlay is already active.'); + } else { + throw new Error('Another overlay is currently active.'); + } + } + this.active = name; + this.overlays[this.active].element.classList.remove('hidden'); + this.overlays[this.active].container.classList.remove('hidden'); + window.addEventListener('keydown', this._keyDown); + resolve(); + }.bind(this)); + }, + /** + * @param {string} name The name of the overlay that should be closed. + * @returns {Promise} A promise that is resolved when the overlay has been + * closed. + */ + close: function overlayManagerClose(name) { + return new Promise(function (resolve) { + if (!this.overlays[name]) { + throw new Error('The overlay does not exist.'); + } else if (!this.active) { + throw new Error('The overlay is currently not active.'); + } else if (this.active !== name) { + throw new Error('Another overlay is currently active.'); + } + this.overlays[this.active].container.classList.add('hidden'); + this.overlays[this.active].element.classList.add('hidden'); + this.active = null; + window.removeEventListener('keydown', this._keyDown); + resolve(); + }.bind(this)); + }, + /** + * @private + */ + _keyDown: function overlayManager_keyDown(evt) { + var self = OverlayManager; + if (self.active && evt.keyCode === 27) { + // Esc key. + self._closeThroughCaller(); + evt.preventDefault(); + } + }, + /** + * @private + */ + _closeThroughCaller: function overlayManager_closeThroughCaller() { + if (this.overlays[this.active].callerCloseMethod) { + this.overlays[this.active].callerCloseMethod(); + } + if (this.active) { + this.close(this.active); + } + } + }; + exports.OverlayManager = OverlayManager; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFRenderingQueue = {}); + }(this, function (exports) { + var CLEANUP_TIMEOUT = 30000; + var RenderingStates = { + INITIAL: 0, + RUNNING: 1, + PAUSED: 2, + FINISHED: 3 + }; + /** + * Controls rendering of the views for pages and thumbnails. + * @class + */ + var PDFRenderingQueue = function PDFRenderingQueueClosure() { + /** + * @constructs + */ + function PDFRenderingQueue() { + this.pdfViewer = null; + this.pdfThumbnailViewer = null; + this.onIdle = null; + this.highestPriorityPage = null; + this.idleTimeout = null; + this.printing = false; + this.isThumbnailViewEnabled = false; + } + PDFRenderingQueue.prototype = /** @lends PDFRenderingQueue.prototype */ + { + /** + * @param {PDFViewer} pdfViewer + */ + setViewer: function PDFRenderingQueue_setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + }, + /** + * @param {PDFThumbnailViewer} pdfThumbnailViewer + */ + setThumbnailViewer: function PDFRenderingQueue_setThumbnailViewer(pdfThumbnailViewer) { + this.pdfThumbnailViewer = pdfThumbnailViewer; + }, + /** + * @param {IRenderableView} view + * @returns {boolean} + */ + isHighestPriority: function PDFRenderingQueue_isHighestPriority(view) { + return this.highestPriorityPage === view.renderingId; + }, + renderHighestPriority: function PDFRenderingQueue_renderHighestPriority(currentlyVisiblePages) { + if (this.idleTimeout) { + clearTimeout(this.idleTimeout); + this.idleTimeout = null; + } + // Pages have a higher priority than thumbnails, so check them first. + if (this.pdfViewer.forceRendering(currentlyVisiblePages)) { + return; + } + // No pages needed rendering so check thumbnails. + if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) { + if (this.pdfThumbnailViewer.forceRendering()) { + return; + } + } + if (this.printing) { + // If printing is currently ongoing do not reschedule cleanup. + return; + } + if (this.onIdle) { + this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT); + } + }, + getHighestPriority: function PDFRenderingQueue_getHighestPriority(visible, views, scrolledDown) { + // The state has changed figure out which page has the highest priority to + // render next (if any). + // Priority: + // 1 visible pages + // 2 if last scrolled down page after the visible pages + // 2 if last scrolled up page before the visible pages + var visibleViews = visible.views; + var numVisible = visibleViews.length; + if (numVisible === 0) { + return false; + } + for (var i = 0; i < numVisible; ++i) { + var view = visibleViews[i].view; + if (!this.isViewFinished(view)) { + return view; + } + } + // All the visible views have rendered, try to render next/previous pages. + if (scrolledDown) { + var nextPageIndex = visible.last.id; + // ID's start at 1 so no need to add 1. + if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) { + return views[nextPageIndex]; + } + } else { + var previousPageIndex = visible.first.id - 2; + if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) { + return views[previousPageIndex]; + } + } + // Everything that needs to be rendered has been. + return null; + }, + /** + * @param {IRenderableView} view + * @returns {boolean} + */ + isViewFinished: function PDFRenderingQueue_isViewFinished(view) { + return view.renderingState === RenderingStates.FINISHED; + }, + /** + * Render a page or thumbnail view. This calls the appropriate function + * based on the views state. If the view is already rendered it will return + * false. + * @param {IRenderableView} view + */ + renderView: function PDFRenderingQueue_renderView(view) { + var state = view.renderingState; + switch (state) { + case RenderingStates.FINISHED: + return false; + case RenderingStates.PAUSED: + this.highestPriorityPage = view.renderingId; + view.resume(); + break; + case RenderingStates.RUNNING: + this.highestPriorityPage = view.renderingId; + break; + case RenderingStates.INITIAL: + this.highestPriorityPage = view.renderingId; + var continueRendering = function () { + this.renderHighestPriority(); + }.bind(this); + view.draw().then(continueRendering, continueRendering); + break; + } + return true; + } + }; + return PDFRenderingQueue; + }(); + exports.RenderingStates = RenderingStates; + exports.PDFRenderingQueue = PDFRenderingQueue; + })); + (function (root, factory) { + factory(root.pdfjsWebPreferences = {}); + }(this, function (exports) { + var defaultPreferences; + defaultPreferences = Promise.resolve({ + "showPreviousViewOnLoad": true, + "defaultZoomValue": "", + "sidebarViewOnLoad": 0, + "enableHandToolOnLoad": false, + "enableWebGL": false, + "pdfBugEnabled": false, + "disableRange": false, + "disableStream": false, + "disableAutoFetch": false, + "disableFontFace": false, + "disableTextLayer": false, + "useOnlyCssZoom": false, + "externalLinkTarget": 0, + "enhanceTextSelection": false, + "renderInteractiveForms": false, + "disablePageLabels": false + }); + function cloneObj(obj) { + var result = {}; + for (var i in obj) { + if (Object.prototype.hasOwnProperty.call(obj, i)) { + result[i] = obj[i]; + } + } + return result; + } + /** + * Preferences - Utility for storing persistent settings. + * Used for settings that should be applied to all opened documents, + * or every time the viewer is loaded. + */ + var Preferences = { + prefs: null, + isInitializedPromiseResolved: false, + initializedPromise: null, + /** + * Initialize and fetch the current preference values from storage. + * @return {Promise} A promise that is resolved when the preferences + * have been initialized. + */ + initialize: function preferencesInitialize() { + return this.initializedPromise = defaultPreferences.then(function (defaults) { + Object.defineProperty(this, 'defaults', { + value: Object.freeze(defaults), + writable: false, + enumerable: true, + configurable: false + }); + this.prefs = cloneObj(defaults); + return this._readFromStorage(defaults); + }.bind(this)).then(function (prefObj) { + this.isInitializedPromiseResolved = true; + if (prefObj) { + this.prefs = prefObj; + } + }.bind(this)); + }, + /** + * Stub function for writing preferences to storage. + * NOTE: This should be overridden by a build-specific function defined below. + * @param {Object} prefObj The preferences that should be written to storage. + * @return {Promise} A promise that is resolved when the preference values + * have been written. + */ + _writeToStorage: function preferences_writeToStorage(prefObj) { + return Promise.resolve(); + }, + /** + * Stub function for reading preferences from storage. + * NOTE: This should be overridden by a build-specific function defined below. + * @param {Object} prefObj The preferences that should be read from storage. + * @return {Promise} A promise that is resolved with an {Object} containing + * the preferences that have been read. + */ + _readFromStorage: function preferences_readFromStorage(prefObj) { + return Promise.resolve(); + }, + /** + * Reset the preferences to their default values and update storage. + * @return {Promise} A promise that is resolved when the preference values + * have been reset. + */ + reset: function preferencesReset() { + return this.initializedPromise.then(function () { + this.prefs = cloneObj(this.defaults); + return this._writeToStorage(this.defaults); + }.bind(this)); + }, + /** + * Replace the current preference values with the ones from storage. + * @return {Promise} A promise that is resolved when the preference values + * have been updated. + */ + reload: function preferencesReload() { + return this.initializedPromise.then(function () { + this._readFromStorage(this.defaults).then(function (prefObj) { + if (prefObj) { + this.prefs = prefObj; + } + }.bind(this)); + }.bind(this)); + }, + /** + * Set the value of a preference. + * @param {string} name The name of the preference that should be changed. + * @param {boolean|number|string} value The new value of the preference. + * @return {Promise} A promise that is resolved when the value has been set, + * provided that the preference exists and the types match. + */ + set: function preferencesSet(name, value) { + return this.initializedPromise.then(function () { + if (this.defaults[name] === undefined) { + throw new Error('preferencesSet: \'' + name + '\' is undefined.'); + } else if (value === undefined) { + throw new Error('preferencesSet: no value is specified.'); + } + var valueType = typeof value; + var defaultType = typeof this.defaults[name]; + if (valueType !== defaultType) { + if (valueType === 'number' && defaultType === 'string') { + value = value.toString(); + } else { + throw new Error('Preferences_set: \'' + value + '\' is a \"' + valueType + '\", expected \"' + defaultType + '\".'); + } + } else { + if (valueType === 'number' && (value | 0) !== value) { + throw new Error('Preferences_set: \'' + value + '\' must be an \"integer\".'); + } + } + this.prefs[name] = value; + return this._writeToStorage(this.prefs); + }.bind(this)); + }, + /** + * Get the value of a preference. + * @param {string} name The name of the preference whose value is requested. + * @return {Promise} A promise that is resolved with a {boolean|number|string} + * containing the value of the preference. + */ + get: function preferencesGet(name) { + return this.initializedPromise.then(function () { + var defaultValue = this.defaults[name]; + if (defaultValue === undefined) { + throw new Error('preferencesGet: \'' + name + '\' is undefined.'); + } else { + var prefValue = this.prefs[name]; + if (prefValue !== undefined) { + return prefValue; + } + } + return defaultValue; + }.bind(this)); + } + }; + exports.Preferences = Preferences; + })); + (function (root, factory) { + factory(root.pdfjsWebViewHistory = {}); + }(this, function (exports) { + var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20; + /** + * View History - This is a utility for saving various view parameters for + * recently opened files. + * + * The way that the view parameters are stored depends on how PDF.js is built, + * for 'gulp <flag>' the following cases exist: + * - FIREFOX or MOZCENTRAL - uses sessionStorage. + * - GENERIC or CHROME - uses localStorage, if it is available. + */ + var ViewHistory = function ViewHistoryClosure() { + function ViewHistory(fingerprint, cacheSize) { + this.fingerprint = fingerprint; + this.cacheSize = cacheSize || DEFAULT_VIEW_HISTORY_CACHE_SIZE; + this.isInitializedPromiseResolved = false; + this.initializedPromise = this._readFromStorage().then(function (databaseStr) { + this.isInitializedPromiseResolved = true; + var database = JSON.parse(databaseStr || '{}'); + if (!('files' in database)) { + database.files = []; + } + if (database.files.length >= this.cacheSize) { + database.files.shift(); + } + var index; + for (var i = 0, length = database.files.length; i < length; i++) { + var branch = database.files[i]; + if (branch.fingerprint === this.fingerprint) { + index = i; + break; + } + } + if (typeof index !== 'number') { + index = database.files.push({ fingerprint: this.fingerprint }) - 1; + } + this.file = database.files[index]; + this.database = database; + }.bind(this)); + } + ViewHistory.prototype = { + _writeToStorage: function ViewHistory_writeToStorage() { + return new Promise(function (resolve) { + var databaseStr = JSON.stringify(this.database); + sessionStorage.setItem('pdfjsHistory', databaseStr); + resolve(); + }.bind(this)); + }, + _readFromStorage: function ViewHistory_readFromStorage() { + return new Promise(function (resolve) { + resolve(sessionStorage.getItem('pdfjsHistory')); + }); + }, + set: function ViewHistory_set(name, val) { + if (!this.isInitializedPromiseResolved) { + return; + } + this.file[name] = val; + return this._writeToStorage(); + }, + setMultiple: function ViewHistory_setMultiple(properties) { + if (!this.isInitializedPromiseResolved) { + return; + } + for (var name in properties) { + this.file[name] = properties[name]; + } + return this._writeToStorage(); + }, + get: function ViewHistory_get(name, defaultValue) { + if (!this.isInitializedPromiseResolved) { + return defaultValue; + } + return this.file[name] || defaultValue; + } + }; + return ViewHistory; + }(); + exports.ViewHistory = ViewHistory; + })); + (function (root, factory) { + factory(root.pdfjsWebDownloadManager = {}, root.pdfjsWebPDFJS); + }(this, function (exports, pdfjsLib) { + })); + (function (root, factory) { + factory(root.pdfjsWebHandTool = {}, root.pdfjsWebGrabToPan, root.pdfjsWebPreferences); + }(this, function (exports, grabToPan, preferences) { + var GrabToPan = grabToPan.GrabToPan; + var Preferences = preferences.Preferences; + /** + * @typedef {Object} HandToolOptions + * @property {HTMLDivElement} container - The document container. + * @property {EventBus} eventBus - The application event bus. + */ + /** + * @class + */ + var HandTool = function HandToolClosure() { + /** + * @constructs HandTool + * @param {HandToolOptions} options + */ + function HandTool(options) { + this.container = options.container; + this.eventBus = options.eventBus; + this.wasActive = false; + this.handTool = new GrabToPan({ + element: this.container, + onActiveChanged: function (isActive) { + this.eventBus.dispatch('handtoolchanged', { isActive: isActive }); + }.bind(this) + }); + this.eventBus.on('togglehandtool', this.toggle.bind(this)); + this.eventBus.on('localized', function (e) { + Preferences.get('enableHandToolOnLoad').then(function resolved(value) { + if (value) { + this.handTool.activate(); + } + }.bind(this), function rejected(reason) { + }); + }.bind(this)); + this.eventBus.on('presentationmodechanged', function (e) { + if (e.switchInProgress) { + return; + } + if (e.active) { + this.enterPresentationMode(); + } else { + this.exitPresentationMode(); + } + }.bind(this)); + } + HandTool.prototype = { + /** + * @return {boolean} + */ + get isActive() { + return !!this.handTool.active; + }, + toggle: function HandTool_toggle() { + this.handTool.toggle(); + }, + enterPresentationMode: function HandTool_enterPresentationMode() { + if (this.isActive) { + this.wasActive = true; + this.handTool.deactivate(); + } + }, + exitPresentationMode: function HandTool_exitPresentationMode() { + if (this.wasActive) { + this.wasActive = false; + this.handTool.activate(); + } + } + }; + return HandTool; + }(); + exports.HandTool = HandTool; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFAttachmentViewer = {}, root.pdfjsWebPDFJS); + }(this, function (exports, pdfjsLib) { + /** + * @typedef {Object} PDFAttachmentViewerOptions + * @property {HTMLDivElement} container - The viewer element. + * @property {EventBus} eventBus - The application event bus. + * @property {DownloadManager} downloadManager - The download manager. + */ + /** + * @typedef {Object} PDFAttachmentViewerRenderParameters + * @property {Array|null} attachments - An array of attachment objects. + */ + /** + * @class + */ + var PDFAttachmentViewer = function PDFAttachmentViewerClosure() { + /** + * @constructs PDFAttachmentViewer + * @param {PDFAttachmentViewerOptions} options + */ + function PDFAttachmentViewer(options) { + this.attachments = null; + this.container = options.container; + this.eventBus = options.eventBus; + this.downloadManager = options.downloadManager; + } + PDFAttachmentViewer.prototype = { + reset: function PDFAttachmentViewer_reset() { + this.attachments = null; + var container = this.container; + while (container.firstChild) { + container.removeChild(container.firstChild); + } + }, + /** + * @private + */ + _dispatchEvent: function PDFAttachmentViewer_dispatchEvent(attachmentsCount) { + this.eventBus.dispatch('attachmentsloaded', { + source: this, + attachmentsCount: attachmentsCount + }); + }, + /** + * @private + */ + _bindLink: function PDFAttachmentViewer_bindLink(button, content, filename) { + button.onclick = function downloadFile(e) { + this.downloadManager.downloadData(content, filename, ''); + return false; + }.bind(this); + }, + /** + * @param {PDFAttachmentViewerRenderParameters} params + */ + render: function PDFAttachmentViewer_render(params) { + var attachments = params && params.attachments || null; + var attachmentsCount = 0; + if (this.attachments) { + this.reset(); + } + this.attachments = attachments; + if (!attachments) { + this._dispatchEvent(attachmentsCount); + return; + } + var names = Object.keys(attachments).sort(function (a, b) { + return a.toLowerCase().localeCompare(b.toLowerCase()); + }); + attachmentsCount = names.length; + for (var i = 0; i < attachmentsCount; i++) { + var item = attachments[names[i]]; + var filename = pdfjsLib.getFilenameFromUrl(item.filename); + var div = document.createElement('div'); + div.className = 'attachmentsItem'; + var button = document.createElement('button'); + this._bindLink(button, item.content, filename); + button.textContent = pdfjsLib.removeNullCharacters(filename); + div.appendChild(button); + this.container.appendChild(div); + } + this._dispatchEvent(attachmentsCount); + } + }; + return PDFAttachmentViewer; + }(); + exports.PDFAttachmentViewer = PDFAttachmentViewer; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFOutlineViewer = {}, root.pdfjsWebPDFJS); + }(this, function (exports, pdfjsLib) { + var PDFJS = pdfjsLib.PDFJS; + var DEFAULT_TITLE = '\u2013'; + /** + * @typedef {Object} PDFOutlineViewerOptions + * @property {HTMLDivElement} container - The viewer element. + * @property {IPDFLinkService} linkService - The navigation/linking service. + * @property {EventBus} eventBus - The application event bus. + */ + /** + * @typedef {Object} PDFOutlineViewerRenderParameters + * @property {Array|null} outline - An array of outline objects. + */ + /** + * @class + */ + var PDFOutlineViewer = function PDFOutlineViewerClosure() { + /** + * @constructs PDFOutlineViewer + * @param {PDFOutlineViewerOptions} options + */ + function PDFOutlineViewer(options) { + this.outline = null; + this.lastToggleIsShow = true; + this.container = options.container; + this.linkService = options.linkService; + this.eventBus = options.eventBus; + } + PDFOutlineViewer.prototype = { + reset: function PDFOutlineViewer_reset() { + this.outline = null; + this.lastToggleIsShow = true; + var container = this.container; + while (container.firstChild) { + container.removeChild(container.firstChild); + } + }, + /** + * @private + */ + _dispatchEvent: function PDFOutlineViewer_dispatchEvent(outlineCount) { + this.eventBus.dispatch('outlineloaded', { + source: this, + outlineCount: outlineCount + }); + }, + /** + * @private + */ + _bindLink: function PDFOutlineViewer_bindLink(element, item) { + if (item.url) { + pdfjsLib.addLinkAttributes(element, { + url: item.url, + target: item.newWindow ? PDFJS.LinkTarget.BLANK : undefined + }); + return; + } + var self = this, destination = item.dest; + element.href = self.linkService.getDestinationHash(destination); + element.onclick = function () { + if (destination) { + self.linkService.navigateTo(destination); + } + return false; + }; + }, + /** + * @private + */ + _setStyles: function PDFOutlineViewer_setStyles(element, item) { + var styleStr = ''; + if (item.bold) { + styleStr += 'font-weight: bold;'; + } + if (item.italic) { + styleStr += 'font-style: italic;'; + } + if (styleStr) { + element.setAttribute('style', styleStr); + } + }, + /** + * Prepend a button before an outline item which allows the user to toggle + * the visibility of all outline items at that level. + * + * @private + */ + _addToggleButton: function PDFOutlineViewer_addToggleButton(div) { + var toggler = document.createElement('div'); + toggler.className = 'outlineItemToggler'; + toggler.onclick = function (event) { + event.stopPropagation(); + toggler.classList.toggle('outlineItemsHidden'); + if (event.shiftKey) { + var shouldShowAll = !toggler.classList.contains('outlineItemsHidden'); + this._toggleOutlineItem(div, shouldShowAll); + } + }.bind(this); + div.insertBefore(toggler, div.firstChild); + }, + /** + * Toggle the visibility of the subtree of an outline item. + * + * @param {Element} root - the root of the outline (sub)tree. + * @param {boolean} show - whether to show the outline (sub)tree. If false, + * the outline subtree rooted at |root| will be collapsed. + * + * @private + */ + _toggleOutlineItem: function PDFOutlineViewer_toggleOutlineItem(root, show) { + this.lastToggleIsShow = show; + var togglers = root.querySelectorAll('.outlineItemToggler'); + for (var i = 0, ii = togglers.length; i < ii; ++i) { + togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden'); + } + }, + /** + * Collapse or expand all subtrees of the outline. + */ + toggleOutlineTree: function PDFOutlineViewer_toggleOutlineTree() { + if (!this.outline) { + return; + } + this._toggleOutlineItem(this.container, !this.lastToggleIsShow); + }, + /** + * @param {PDFOutlineViewerRenderParameters} params + */ + render: function PDFOutlineViewer_render(params) { + var outline = params && params.outline || null; + var outlineCount = 0; + if (this.outline) { + this.reset(); + } + this.outline = outline; + if (!outline) { + this._dispatchEvent(outlineCount); + return; + } + var fragment = document.createDocumentFragment(); + var queue = [{ + parent: fragment, + items: this.outline + }]; + var hasAnyNesting = false; + while (queue.length > 0) { + var levelData = queue.shift(); + for (var i = 0, len = levelData.items.length; i < len; i++) { + var item = levelData.items[i]; + var div = document.createElement('div'); + div.className = 'outlineItem'; + var element = document.createElement('a'); + this._bindLink(element, item); + this._setStyles(element, item); + element.textContent = pdfjsLib.removeNullCharacters(item.title) || DEFAULT_TITLE; + div.appendChild(element); + if (item.items.length > 0) { + hasAnyNesting = true; + this._addToggleButton(div); + var itemsDiv = document.createElement('div'); + itemsDiv.className = 'outlineItems'; + div.appendChild(itemsDiv); + queue.push({ + parent: itemsDiv, + items: item.items + }); + } + levelData.parent.appendChild(div); + outlineCount++; + } + } + if (hasAnyNesting) { + this.container.classList.add('outlineWithDeepNesting'); + } + this.container.appendChild(fragment); + this._dispatchEvent(outlineCount); + } + }; + return PDFOutlineViewer; + }(); + exports.PDFOutlineViewer = PDFOutlineViewer; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFSidebar = {}, root.pdfjsWebPDFRenderingQueue); + }(this, function (exports, pdfRenderingQueue) { + var RenderingStates = pdfRenderingQueue.RenderingStates; + var SidebarView = { + NONE: 0, + THUMBS: 1, + OUTLINE: 2, + ATTACHMENTS: 3 + }; + /** + * @typedef {Object} PDFSidebarOptions + * @property {PDFViewer} pdfViewer - The document viewer. + * @property {PDFThumbnailViewer} pdfThumbnailViewer - The thumbnail viewer. + * @property {PDFOutlineViewer} pdfOutlineViewer - The outline viewer. + * @property {HTMLDivElement} mainContainer - The main container + * (in which the viewer element is placed). + * @property {HTMLDivElement} outerContainer - The outer container + * (encasing both the viewer and sidebar elements). + * @property {EventBus} eventBus - The application event bus. + * @property {HTMLButtonElement} toggleButton - The button used for + * opening/closing the sidebar. + * @property {HTMLButtonElement} thumbnailButton - The button used to show + * the thumbnail view. + * @property {HTMLButtonElement} outlineButton - The button used to show + * the outline view. + * @property {HTMLButtonElement} attachmentsButton - The button used to show + * the attachments view. + * @property {HTMLDivElement} thumbnailView - The container in which + * the thumbnails are placed. + * @property {HTMLDivElement} outlineView - The container in which + * the outline is placed. + * @property {HTMLDivElement} attachmentsView - The container in which + * the attachments are placed. + */ + /** + * @class + */ + var PDFSidebar = function PDFSidebarClosure() { + /** + * @constructs PDFSidebar + * @param {PDFSidebarOptions} options + */ + function PDFSidebar(options) { + this.isOpen = false; + this.active = SidebarView.THUMBS; + this.isInitialViewSet = false; + /** + * Callback used when the sidebar has been opened/closed, to ensure that + * the viewers (PDFViewer/PDFThumbnailViewer) are updated correctly. + */ + this.onToggled = null; + this.pdfViewer = options.pdfViewer; + this.pdfThumbnailViewer = options.pdfThumbnailViewer; + this.pdfOutlineViewer = options.pdfOutlineViewer; + this.mainContainer = options.mainContainer; + this.outerContainer = options.outerContainer; + this.eventBus = options.eventBus; + this.toggleButton = options.toggleButton; + this.thumbnailButton = options.thumbnailButton; + this.outlineButton = options.outlineButton; + this.attachmentsButton = options.attachmentsButton; + this.thumbnailView = options.thumbnailView; + this.outlineView = options.outlineView; + this.attachmentsView = options.attachmentsView; + this._addEventListeners(); + } + PDFSidebar.prototype = { + reset: function PDFSidebar_reset() { + this.isInitialViewSet = false; + this.close(); + this.switchView(SidebarView.THUMBS); + this.outlineButton.disabled = false; + this.attachmentsButton.disabled = false; + }, + /** + * @returns {number} One of the values in {SidebarView}. + */ + get visibleView() { + return this.isOpen ? this.active : SidebarView.NONE; + }, + get isThumbnailViewVisible() { + return this.isOpen && this.active === SidebarView.THUMBS; + }, + get isOutlineViewVisible() { + return this.isOpen && this.active === SidebarView.OUTLINE; + }, + get isAttachmentsViewVisible() { + return this.isOpen && this.active === SidebarView.ATTACHMENTS; + }, + /** + * @param {number} view - The sidebar view that should become visible, + * must be one of the values in {SidebarView}. + */ + setInitialView: function PDFSidebar_setInitialView(view) { + if (this.isInitialViewSet) { + return; + } + this.isInitialViewSet = true; + if (this.isOpen && view === SidebarView.NONE) { + this._dispatchEvent(); + // If the user has already manually opened the sidebar, + // immediately closing it would be bad UX. + return; + } + var isViewPreserved = view === this.visibleView; + this.switchView(view, /* forceOpen */ + true); + if (isViewPreserved) { + // Prevent dispatching two back-to-back `sidebarviewchanged` events, + // since `this.switchView` dispatched the event if the view changed. + this._dispatchEvent(); + } + }, + /** + * @param {number} view - The sidebar view that should be switched to, + * must be one of the values in {SidebarView}. + * @param {boolean} forceOpen - (optional) Ensure that the sidebar is open. + * The default value is false. + */ + switchView: function PDFSidebar_switchView(view, forceOpen) { + if (view === SidebarView.NONE) { + this.close(); + return; + } + var isViewChanged = view !== this.active; + var shouldForceRendering = false; + switch (view) { + case SidebarView.THUMBS: + this.thumbnailButton.classList.add('toggled'); + this.outlineButton.classList.remove('toggled'); + this.attachmentsButton.classList.remove('toggled'); + this.thumbnailView.classList.remove('hidden'); + this.outlineView.classList.add('hidden'); + this.attachmentsView.classList.add('hidden'); + if (this.isOpen && isViewChanged) { + this._updateThumbnailViewer(); + shouldForceRendering = true; + } + break; + case SidebarView.OUTLINE: + if (this.outlineButton.disabled) { + return; + } + this.thumbnailButton.classList.remove('toggled'); + this.outlineButton.classList.add('toggled'); + this.attachmentsButton.classList.remove('toggled'); + this.thumbnailView.classList.add('hidden'); + this.outlineView.classList.remove('hidden'); + this.attachmentsView.classList.add('hidden'); + break; + case SidebarView.ATTACHMENTS: + if (this.attachmentsButton.disabled) { + return; + } + this.thumbnailButton.classList.remove('toggled'); + this.outlineButton.classList.remove('toggled'); + this.attachmentsButton.classList.add('toggled'); + this.thumbnailView.classList.add('hidden'); + this.outlineView.classList.add('hidden'); + this.attachmentsView.classList.remove('hidden'); + break; + default: + console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.'); + return; + } + // Update the active view *after* it has been validated above, + // in order to prevent setting it to an invalid state. + this.active = view | 0; + if (forceOpen && !this.isOpen) { + this.open(); + // NOTE: `this.open` will trigger rendering, and dispatch the event. + return; + } + if (shouldForceRendering) { + this._forceRendering(); + } + if (isViewChanged) { + this._dispatchEvent(); + } + }, + open: function PDFSidebar_open() { + if (this.isOpen) { + return; + } + this.isOpen = true; + this.toggleButton.classList.add('toggled'); + this.outerContainer.classList.add('sidebarMoving'); + this.outerContainer.classList.add('sidebarOpen'); + if (this.active === SidebarView.THUMBS) { + this._updateThumbnailViewer(); + } + this._forceRendering(); + this._dispatchEvent(); + }, + close: function PDFSidebar_close() { + if (!this.isOpen) { + return; + } + this.isOpen = false; + this.toggleButton.classList.remove('toggled'); + this.outerContainer.classList.add('sidebarMoving'); + this.outerContainer.classList.remove('sidebarOpen'); + this._forceRendering(); + this._dispatchEvent(); + }, + toggle: function PDFSidebar_toggle() { + if (this.isOpen) { + this.close(); + } else { + this.open(); + } + }, + /** + * @private + */ + _dispatchEvent: function PDFSidebar_dispatchEvent() { + this.eventBus.dispatch('sidebarviewchanged', { + source: this, + view: this.visibleView + }); + }, + /** + * @private + */ + _forceRendering: function PDFSidebar_forceRendering() { + if (this.onToggled) { + this.onToggled(); + } else { + // Fallback + this.pdfViewer.forceRendering(); + this.pdfThumbnailViewer.forceRendering(); + } + }, + /** + * @private + */ + _updateThumbnailViewer: function PDFSidebar_updateThumbnailViewer() { + var pdfViewer = this.pdfViewer; + var thumbnailViewer = this.pdfThumbnailViewer; + // Use the rendered pages to set the corresponding thumbnail images. + var pagesCount = pdfViewer.pagesCount; + for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) { + var pageView = pdfViewer.getPageView(pageIndex); + if (pageView && pageView.renderingState === RenderingStates.FINISHED) { + var thumbnailView = thumbnailViewer.getThumbnail(pageIndex); + thumbnailView.setImage(pageView); + } + } + thumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber); + }, + /** + * @private + */ + _addEventListeners: function PDFSidebar_addEventListeners() { + var self = this; + self.mainContainer.addEventListener('transitionend', function (evt) { + if (evt.target === /* mainContainer */ + this) { + self.outerContainer.classList.remove('sidebarMoving'); + } + }); + // Buttons for switching views. + self.thumbnailButton.addEventListener('click', function () { + self.switchView(SidebarView.THUMBS); + }); + self.outlineButton.addEventListener('click', function () { + self.switchView(SidebarView.OUTLINE); + }); + self.outlineButton.addEventListener('dblclick', function () { + self.pdfOutlineViewer.toggleOutlineTree(); + }); + self.attachmentsButton.addEventListener('click', function () { + self.switchView(SidebarView.ATTACHMENTS); + }); + // Disable/enable views. + self.eventBus.on('outlineloaded', function (e) { + var outlineCount = e.outlineCount; + self.outlineButton.disabled = !outlineCount; + if (!outlineCount && self.active === SidebarView.OUTLINE) { + self.switchView(SidebarView.THUMBS); + } + }); + self.eventBus.on('attachmentsloaded', function (e) { + var attachmentsCount = e.attachmentsCount; + self.attachmentsButton.disabled = !attachmentsCount; + if (!attachmentsCount && self.active === SidebarView.ATTACHMENTS) { + self.switchView(SidebarView.THUMBS); + } + }); + // Update the thumbnailViewer, if visible, when exiting presentation mode. + self.eventBus.on('presentationmodechanged', function (e) { + if (!e.active && !e.switchInProgress && self.isThumbnailViewVisible) { + self._updateThumbnailViewer(); + } + }); + } + }; + return PDFSidebar; + }(); + exports.SidebarView = SidebarView; + exports.PDFSidebar = PDFSidebar; + })); + (function (root, factory) { + factory(root.pdfjsWebUIUtils = {}, root.pdfjsWebPDFJS); + }(this, function (exports, pdfjsLib) { + var CSS_UNITS = 96.0 / 72.0; + var DEFAULT_SCALE_VALUE = 'auto'; + var DEFAULT_SCALE = 1.0; + var UNKNOWN_SCALE = 0; + var MAX_AUTO_SCALE = 1.25; + var SCROLLBAR_PADDING = 40; + var VERTICAL_PADDING = 5; + var mozL10n = document.mozL10n || document.webL10n; + var PDFJS = pdfjsLib.PDFJS; + /** + * Disables fullscreen support, and by extension Presentation Mode, + * in browsers which support the fullscreen API. + * @var {boolean} + */ + PDFJS.disableFullscreen = PDFJS.disableFullscreen === undefined ? false : PDFJS.disableFullscreen; + /** + * Enables CSS only zooming. + * @var {boolean} + */ + PDFJS.useOnlyCssZoom = PDFJS.useOnlyCssZoom === undefined ? false : PDFJS.useOnlyCssZoom; + /** + * The maximum supported canvas size in total pixels e.g. width * height. + * The default value is 4096 * 4096. Use -1 for no limit. + * @var {number} + */ + PDFJS.maxCanvasPixels = PDFJS.maxCanvasPixels === undefined ? 16777216 : PDFJS.maxCanvasPixels; + /** + * Disables saving of the last position of the viewed PDF. + * @var {boolean} + */ + PDFJS.disableHistory = PDFJS.disableHistory === undefined ? false : PDFJS.disableHistory; + /** + * Disables creation of the text layer that used for text selection and search. + * @var {boolean} + */ + PDFJS.disableTextLayer = PDFJS.disableTextLayer === undefined ? false : PDFJS.disableTextLayer; + /** + * Disables maintaining the current position in the document when zooming. + */ + PDFJS.ignoreCurrentPositionOnZoom = PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : PDFJS.ignoreCurrentPositionOnZoom; + /** + * Returns scale factor for the canvas. It makes sense for the HiDPI displays. + * @return {Object} The object with horizontal (sx) and vertical (sy) + scales. The scaled property is set to false if scaling is + not required, true otherwise. + */ + function getOutputScale(ctx) { + var devicePixelRatio = window.devicePixelRatio || 1; + var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1; + var pixelRatio = devicePixelRatio / backingStoreRatio; + return { + sx: pixelRatio, + sy: pixelRatio, + scaled: pixelRatio !== 1 + }; + } + /** + * Scrolls specified element into view of its parent. + * @param {Object} element - The element to be visible. + * @param {Object} spot - An object with optional top and left properties, + * specifying the offset from the top left edge. + * @param {boolean} skipOverflowHiddenElements - Ignore elements that have + * the CSS rule `overflow: hidden;` set. The default is false. + */ + function scrollIntoView(element, spot, skipOverflowHiddenElements) { + // Assuming offsetParent is available (it's not available when viewer is in + // hidden iframe or object). We have to scroll: if the offsetParent is not set + // producing the error. See also animationStartedClosure. + var parent = element.offsetParent; + if (!parent) { + console.error('offsetParent is not set -- cannot scroll'); + return; + } + var checkOverflow = skipOverflowHiddenElements || false; + var offsetY = element.offsetTop + element.clientTop; + var offsetX = element.offsetLeft + element.clientLeft; + while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') { + if (parent.dataset._scaleY) { + offsetY /= parent.dataset._scaleY; + offsetX /= parent.dataset._scaleX; + } + offsetY += parent.offsetTop; + offsetX += parent.offsetLeft; + parent = parent.offsetParent; + if (!parent) { + return; + } + } + // no need to scroll + if (spot) { + if (spot.top !== undefined) { + offsetY += spot.top; + } + if (spot.left !== undefined) { + offsetX += spot.left; + parent.scrollLeft = offsetX; + } + } + parent.scrollTop = offsetY; + } + /** + * Helper function to start monitoring the scroll event and converting them into + * PDF.js friendly one: with scroll debounce and scroll direction. + */ + function watchScroll(viewAreaElement, callback) { + var debounceScroll = function debounceScroll(evt) { + if (rAF) { + return; + } + // schedule an invocation of scroll for next animation frame. + rAF = window.requestAnimationFrame(function viewAreaElementScrolled() { + rAF = null; + var currentY = viewAreaElement.scrollTop; + var lastY = state.lastY; + if (currentY !== lastY) { + state.down = currentY > lastY; + } + state.lastY = currentY; + callback(state); + }); + }; + var state = { + down: true, + lastY: viewAreaElement.scrollTop, + _eventHandler: debounceScroll + }; + var rAF = null; + viewAreaElement.addEventListener('scroll', debounceScroll, true); + return state; + } + /** + * Helper function to parse query string (e.g. ?param1=value&parm2=...). + */ + function parseQueryString(query) { + var parts = query.split('&'); + var params = {}; + for (var i = 0, ii = parts.length; i < ii; ++i) { + var param = parts[i].split('='); + var key = param[0].toLowerCase(); + var value = param.length > 1 ? param[1] : null; + params[decodeURIComponent(key)] = decodeURIComponent(value); + } + return params; + } + /** + * Use binary search to find the index of the first item in a given array which + * passes a given condition. The items are expected to be sorted in the sense + * that if the condition is true for one item in the array, then it is also true + * for all following items. + * + * @returns {Number} Index of the first array element to pass the test, + * or |items.length| if no such element exists. + */ + function binarySearchFirstItem(items, condition) { + var minIndex = 0; + var maxIndex = items.length - 1; + if (items.length === 0 || !condition(items[maxIndex])) { + return items.length; + } + if (condition(items[minIndex])) { + return minIndex; + } + while (minIndex < maxIndex) { + var currentIndex = minIndex + maxIndex >> 1; + var currentItem = items[currentIndex]; + if (condition(currentItem)) { + maxIndex = currentIndex; + } else { + minIndex = currentIndex + 1; + } + } + return minIndex; + } + /* === maxIndex */ + /** + * Approximates float number as a fraction using Farey sequence (max order + * of 8). + * @param {number} x - Positive float number. + * @returns {Array} Estimated fraction: the first array item is a numerator, + * the second one is a denominator. + */ + function approximateFraction(x) { + // Fast paths for int numbers or their inversions. + if (Math.floor(x) === x) { + return [ + x, + 1 + ]; + } + var xinv = 1 / x; + var limit = 8; + if (xinv > limit) { + return [ + 1, + limit + ]; + } else if (Math.floor(xinv) === xinv) { + return [ + 1, + xinv + ]; + } + var x_ = x > 1 ? xinv : x; + // a/b and c/d are neighbours in Farey sequence. + var a = 0, b = 1, c = 1, d = 1; + // Limiting search to order 8. + while (true) { + // Generating next term in sequence (order of q). + var p = a + c, q = b + d; + if (q > limit) { + break; + } + if (x_ <= p / q) { + c = p; + d = q; + } else { + a = p; + b = q; + } + } + // Select closest of the neighbours to x. + if (x_ - a / b < c / d - x_) { + return x_ === x ? [ + a, + b + ] : [ + b, + a + ]; + } else { + return x_ === x ? [ + c, + d + ] : [ + d, + c + ]; + } + } + function roundToDivide(x, div) { + var r = x % div; + return r === 0 ? x : Math.round(x - r + div); + } + /** + * Generic helper to find out what elements are visible within a scroll pane. + */ + function getVisibleElements(scrollEl, views, sortByVisibility) { + var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight; + var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth; + function isElementBottomBelowViewTop(view) { + var element = view.div; + var elementBottom = element.offsetTop + element.clientTop + element.clientHeight; + return elementBottom > top; + } + var visible = [], view, element; + var currentHeight, viewHeight, hiddenHeight, percentHeight; + var currentWidth, viewWidth; + var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop); + for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) { + view = views[i]; + element = view.div; + currentHeight = element.offsetTop + element.clientTop; + viewHeight = element.clientHeight; + if (currentHeight > bottom) { + break; + } + currentWidth = element.offsetLeft + element.clientLeft; + viewWidth = element.clientWidth; + if (currentWidth + viewWidth < left || currentWidth > right) { + continue; + } + hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom); + percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0; + visible.push({ + id: view.id, + x: currentWidth, + y: currentHeight, + view: view, + percent: percentHeight + }); + } + var first = visible[0]; + var last = visible[visible.length - 1]; + if (sortByVisibility) { + visible.sort(function (a, b) { + var pc = a.percent - b.percent; + if (Math.abs(pc) > 0.001) { + return -pc; + } + return a.id - b.id; + }); + } + // ensure stability + return { + first: first, + last: last, + views: visible + }; + } + /** + * Event handler to suppress context menu. + */ + function noContextMenuHandler(e) { + e.preventDefault(); + } + /** + * Returns the filename or guessed filename from the url (see issue 3455). + * url {String} The original PDF location. + * @return {String} Guessed PDF file name. + */ + function getPDFFileNameFromURL(url) { + var reURI = /^(?:([^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/; + // SCHEME HOST 1.PATH 2.QUERY 3.REF + // Pattern to get last matching NAME.pdf + var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i; + var splitURI = reURI.exec(url); + var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]); + if (suggestedFilename) { + suggestedFilename = suggestedFilename[0]; + if (suggestedFilename.indexOf('%') !== -1) { + // URL-encoded %2Fpath%2Fto%2Ffile.pdf should be file.pdf + try { + suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0]; + } catch (e) { + } + } + } + return suggestedFilename || 'document.pdf'; + } + function normalizeWheelEventDelta(evt) { + var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY); + var angle = Math.atan2(evt.deltaY, evt.deltaX); + if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) { + // All that is left-up oriented has to change the sign. + delta = -delta; + } + var MOUSE_DOM_DELTA_PIXEL_MODE = 0; + var MOUSE_DOM_DELTA_LINE_MODE = 1; + var MOUSE_PIXELS_PER_LINE = 30; + var MOUSE_LINES_PER_PAGE = 30; + // Converts delta to per-page units + if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) { + delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE; + } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) { + delta /= MOUSE_LINES_PER_PAGE; + } + return delta; + } + /** + * Simple event bus for an application. Listeners are attached using the + * `on` and `off` methods. To raise an event, the `dispatch` method shall be + * used. + */ + var EventBus = function EventBusClosure() { + function EventBus() { + this._listeners = Object.create(null); + } + EventBus.prototype = { + on: function EventBus_on(eventName, listener) { + var eventListeners = this._listeners[eventName]; + if (!eventListeners) { + eventListeners = []; + this._listeners[eventName] = eventListeners; + } + eventListeners.push(listener); + }, + off: function EventBus_on(eventName, listener) { + var eventListeners = this._listeners[eventName]; + var i; + if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) { + return; + } + eventListeners.splice(i, 1); + }, + dispatch: function EventBus_dispath(eventName) { + var eventListeners = this._listeners[eventName]; + if (!eventListeners || eventListeners.length === 0) { + return; + } + // Passing all arguments after the eventName to the listeners. + var args = Array.prototype.slice.call(arguments, 1); + // Making copy of the listeners array in case if it will be modified + // during dispatch. + eventListeners.slice(0).forEach(function (listener) { + listener.apply(null, args); + }); + } + }; + return EventBus; + }(); + var ProgressBar = function ProgressBarClosure() { + function clamp(v, min, max) { + return Math.min(Math.max(v, min), max); + } + function ProgressBar(id, opts) { + this.visible = true; + // Fetch the sub-elements for later. + this.div = document.querySelector(id + ' .progress'); + // Get the loading bar element, so it can be resized to fit the viewer. + this.bar = this.div.parentNode; + // Get options, with sensible defaults. + this.height = opts.height || 100; + this.width = opts.width || 100; + this.units = opts.units || '%'; + // Initialize heights. + this.div.style.height = this.height + this.units; + this.percent = 0; + } + ProgressBar.prototype = { + updateBar: function ProgressBar_updateBar() { + if (this._indeterminate) { + this.div.classList.add('indeterminate'); + this.div.style.width = this.width + this.units; + return; + } + this.div.classList.remove('indeterminate'); + var progressSize = this.width * this._percent / 100; + this.div.style.width = progressSize + this.units; + }, + get percent() { + return this._percent; + }, + set percent(val) { + this._indeterminate = isNaN(val); + this._percent = clamp(val, 0, 100); + this.updateBar(); + }, + setWidth: function ProgressBar_setWidth(viewer) { + if (viewer) { + var container = viewer.parentNode; + var scrollbarWidth = container.offsetWidth - viewer.offsetWidth; + if (scrollbarWidth > 0) { + this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);'); + } + } + }, + hide: function ProgressBar_hide() { + if (!this.visible) { + return; + } + this.visible = false; + this.bar.classList.add('hidden'); + document.body.classList.remove('loadingInProgress'); + }, + show: function ProgressBar_show() { + if (this.visible) { + return; + } + this.visible = true; + document.body.classList.add('loadingInProgress'); + this.bar.classList.remove('hidden'); + } + }; + return ProgressBar; + }(); + exports.CSS_UNITS = CSS_UNITS; + exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE; + exports.DEFAULT_SCALE = DEFAULT_SCALE; + exports.UNKNOWN_SCALE = UNKNOWN_SCALE; + exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE; + exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING; + exports.VERTICAL_PADDING = VERTICAL_PADDING; + exports.mozL10n = mozL10n; + exports.EventBus = EventBus; + exports.ProgressBar = ProgressBar; + exports.getPDFFileNameFromURL = getPDFFileNameFromURL; + exports.noContextMenuHandler = noContextMenuHandler; + exports.parseQueryString = parseQueryString; + exports.getVisibleElements = getVisibleElements; + exports.roundToDivide = roundToDivide; + exports.approximateFraction = approximateFraction; + exports.getOutputScale = getOutputScale; + exports.scrollIntoView = scrollIntoView; + exports.watchScroll = watchScroll; + exports.binarySearchFirstItem = binarySearchFirstItem; + exports.normalizeWheelEventDelta = normalizeWheelEventDelta; + })); + (function (root, factory) { + factory(root.pdfjsWebDOMEvents = {}, root.pdfjsWebUIUtils); + }(this, function (exports, uiUtils) { + var EventBus = uiUtils.EventBus; + // Attaching to the application event bus to dispatch events to the DOM for + // backwards viewer API compatibility. + function attachDOMEventsToEventBus(eventBus) { + eventBus.on('documentload', function () { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('documentload', true, true, {}); + window.dispatchEvent(event); + }); + eventBus.on('pagerendered', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('pagerendered', true, true, { + pageNumber: e.pageNumber, + cssTransform: e.cssTransform + }); + e.source.div.dispatchEvent(event); + }); + eventBus.on('textlayerrendered', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber }); + e.source.textLayerDiv.dispatchEvent(event); + }); + eventBus.on('pagechange', function (e) { + var event = document.createEvent('UIEvents'); + event.initUIEvent('pagechange', true, true, window, 0); + event.pageNumber = e.pageNumber; + e.source.container.dispatchEvent(event); + }); + eventBus.on('pagesinit', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('pagesinit', true, true, null); + e.source.container.dispatchEvent(event); + }); + eventBus.on('pagesloaded', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount }); + e.source.container.dispatchEvent(event); + }); + eventBus.on('scalechange', function (e) { + var event = document.createEvent('UIEvents'); + event.initUIEvent('scalechange', true, true, window, 0); + event.scale = e.scale; + event.presetValue = e.presetValue; + e.source.container.dispatchEvent(event); + }); + eventBus.on('updateviewarea', function (e) { + var event = document.createEvent('UIEvents'); + event.initUIEvent('updateviewarea', true, true, window, 0); + event.location = e.location; + e.source.container.dispatchEvent(event); + }); + eventBus.on('find', function (e) { + if (e.source === window) { + return; + } + // event comes from FirefoxCom, no need to replicate + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('find' + e.type, true, true, { + query: e.query, + phraseSearch: e.phraseSearch, + caseSensitive: e.caseSensitive, + highlightAll: e.highlightAll, + findPrevious: e.findPrevious + }); + window.dispatchEvent(event); + }); + eventBus.on('attachmentsloaded', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount }); + e.source.container.dispatchEvent(event); + }); + eventBus.on('sidebarviewchanged', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view }); + e.source.outerContainer.dispatchEvent(event); + }); + eventBus.on('pagemode', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('pagemode', true, true, { mode: e.mode }); + e.source.pdfViewer.container.dispatchEvent(event); + }); + eventBus.on('namedaction', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('namedaction', true, true, { action: e.action }); + e.source.pdfViewer.container.dispatchEvent(event); + }); + eventBus.on('presentationmodechanged', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('presentationmodechanged', true, true, { + active: e.active, + switchInProgress: e.switchInProgress + }); + window.dispatchEvent(event); + }); + eventBus.on('outlineloaded', function (e) { + var event = document.createEvent('CustomEvent'); + event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount }); + e.source.container.dispatchEvent(event); + }); + } + var globalEventBus = null; + function getGlobalEventBus() { + if (globalEventBus) { + return globalEventBus; + } + globalEventBus = new EventBus(); + attachDOMEventsToEventBus(globalEventBus); + return globalEventBus; + } + exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus; + exports.getGlobalEventBus = getGlobalEventBus; + })); + (function (root, factory) { + factory(root.pdfjsWebPasswordPrompt = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebPDFJS); + }(this, function (exports, uiUtils, overlayManager, pdfjsLib) { + var mozL10n = uiUtils.mozL10n; + var OverlayManager = overlayManager.OverlayManager; + /** + * @typedef {Object} PasswordPromptOptions + * @property {string} overlayName - Name of the overlay for the overlay manager. + * @property {HTMLDivElement} container - Div container for the overlay. + * @property {HTMLParagraphElement} label - Label containing instructions for + * entering the password. + * @property {HTMLInputElement} input - Input field for entering the password. + * @property {HTMLButtonElement} submitButton - Button for submitting the + * password. + * @property {HTMLButtonElement} cancelButton - Button for cancelling password + * entry. + */ + /** + * @class + */ + var PasswordPrompt = function PasswordPromptClosure() { + /** + * @constructs PasswordPrompt + * @param {PasswordPromptOptions} options + */ + function PasswordPrompt(options) { + this.overlayName = options.overlayName; + this.container = options.container; + this.label = options.label; + this.input = options.input; + this.submitButton = options.submitButton; + this.cancelButton = options.cancelButton; + this.updateCallback = null; + this.reason = null; + // Attach the event listeners. + this.submitButton.addEventListener('click', this.verify.bind(this)); + this.cancelButton.addEventListener('click', this.close.bind(this)); + this.input.addEventListener('keydown', function (e) { + if (e.keyCode === 13) { + // Enter key + this.verify(); + } + }.bind(this)); + OverlayManager.register(this.overlayName, this.container, this.close.bind(this), true); + } + PasswordPrompt.prototype = { + open: function PasswordPrompt_open() { + OverlayManager.open(this.overlayName).then(function () { + this.input.type = 'password'; + this.input.focus(); + var promptString = mozL10n.get('password_label', null, 'Enter the password to open this PDF file.'); + if (this.reason === pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) { + promptString = mozL10n.get('password_invalid', null, 'Invalid password. Please try again.'); + } + this.label.textContent = promptString; + }.bind(this)); + }, + close: function PasswordPrompt_close() { + OverlayManager.close(this.overlayName).then(function () { + this.input.value = ''; + this.input.type = ''; + }.bind(this)); + }, + verify: function PasswordPrompt_verify() { + var password = this.input.value; + if (password && password.length > 0) { + this.close(); + return this.updateCallback(password); + } + }, + setUpdateCallback: function PasswordPrompt_setUpdateCallback(updateCallback, reason) { + this.updateCallback = updateCallback; + this.reason = reason; + } + }; + return PasswordPrompt; + }(); + exports.PasswordPrompt = PasswordPrompt; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFDocumentProperties = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager); + }(this, function (exports, uiUtils, overlayManager) { + var getPDFFileNameFromURL = uiUtils.getPDFFileNameFromURL; + var mozL10n = uiUtils.mozL10n; + var OverlayManager = overlayManager.OverlayManager; + /** + * @typedef {Object} PDFDocumentPropertiesOptions + * @property {string} overlayName - Name/identifier for the overlay. + * @property {Object} fields - Names and elements of the overlay's fields. + * @property {HTMLButtonElement} closeButton - Button for closing the overlay. + */ + /** + * @class + */ + var PDFDocumentProperties = function PDFDocumentPropertiesClosure() { + /** + * @constructs PDFDocumentProperties + * @param {PDFDocumentPropertiesOptions} options + */ + function PDFDocumentProperties(options) { + this.fields = options.fields; + this.overlayName = options.overlayName; + this.container = options.container; + this.rawFileSize = 0; + this.url = null; + this.pdfDocument = null; + // Bind the event listener for the Close button. + if (options.closeButton) { + options.closeButton.addEventListener('click', this.close.bind(this)); + } + this.dataAvailablePromise = new Promise(function (resolve) { + this.resolveDataAvailable = resolve; + }.bind(this)); + OverlayManager.register(this.overlayName, this.container, this.close.bind(this)); + } + PDFDocumentProperties.prototype = { + /** + * Open the document properties overlay. + */ + open: function PDFDocumentProperties_open() { + Promise.all([ + OverlayManager.open(this.overlayName), + this.dataAvailablePromise + ]).then(function () { + this._getProperties(); + }.bind(this)); + }, + /** + * Close the document properties overlay. + */ + close: function PDFDocumentProperties_close() { + OverlayManager.close(this.overlayName); + }, + /** + * Set the file size of the PDF document. This method is used to + * update the file size in the document properties overlay once it + * is known so we do not have to wait until the entire file is loaded. + * + * @param {number} fileSize - The file size of the PDF document. + */ + setFileSize: function PDFDocumentProperties_setFileSize(fileSize) { + if (fileSize > 0) { + this.rawFileSize = fileSize; + } + }, + /** + * Set a reference to the PDF document and the URL in order + * to populate the overlay fields with the document properties. + * Note that the overlay will contain no information if this method + * is not called. + * + * @param {Object} pdfDocument - A reference to the PDF document. + * @param {string} url - The URL of the document. + */ + setDocumentAndUrl: function PDFDocumentProperties_setDocumentAndUrl(pdfDocument, url) { + this.pdfDocument = pdfDocument; + this.url = url; + this.resolveDataAvailable(); + }, + /** + * @private + */ + _getProperties: function PDFDocumentProperties_getProperties() { + if (!OverlayManager.active) { + // If the dialog was closed before dataAvailablePromise was resolved, + // don't bother updating the properties. + return; + } + // Get the file size (if it hasn't already been set). + this.pdfDocument.getDownloadInfo().then(function (data) { + if (data.length === this.rawFileSize) { + return; + } + this.setFileSize(data.length); + this._updateUI(this.fields['fileSize'], this._parseFileSize()); + }.bind(this)); + // Get the document properties. + this.pdfDocument.getMetadata().then(function (data) { + var content = { + 'fileName': getPDFFileNameFromURL(this.url), + 'fileSize': this._parseFileSize(), + 'title': data.info.Title, + 'author': data.info.Author, + 'subject': data.info.Subject, + 'keywords': data.info.Keywords, + 'creationDate': this._parseDate(data.info.CreationDate), + 'modificationDate': this._parseDate(data.info.ModDate), + 'creator': data.info.Creator, + 'producer': data.info.Producer, + 'version': data.info.PDFFormatVersion, + 'pageCount': this.pdfDocument.numPages + }; + // Show the properties in the dialog. + for (var identifier in content) { + this._updateUI(this.fields[identifier], content[identifier]); + } + }.bind(this)); + }, + /** + * @private + */ + _updateUI: function PDFDocumentProperties_updateUI(field, content) { + if (field && content !== undefined && content !== '') { + field.textContent = content; + } + }, + /** + * @private + */ + _parseFileSize: function PDFDocumentProperties_parseFileSize() { + var fileSize = this.rawFileSize, kb = fileSize / 1024; + if (!kb) { + return; + } else if (kb < 1024) { + return mozL10n.get('document_properties_kb', { + size_kb: (+kb.toPrecision(3)).toLocaleString(), + size_b: fileSize.toLocaleString() + }, '{{size_kb}} KB ({{size_b}} bytes)'); + } else { + return mozL10n.get('document_properties_mb', { + size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(), + size_b: fileSize.toLocaleString() + }, '{{size_mb}} MB ({{size_b}} bytes)'); + } + }, + /** + * @private + */ + _parseDate: function PDFDocumentProperties_parseDate(inputDate) { + // This is implemented according to the PDF specification, but note that + // Adobe Reader doesn't handle changing the date to universal time + // and doesn't use the user's time zone (they're effectively ignoring + // the HH' and mm' parts of the date string). + var dateToParse = inputDate; + if (dateToParse === undefined) { + return ''; + } + // Remove the D: prefix if it is available. + if (dateToParse.substring(0, 2) === 'D:') { + dateToParse = dateToParse.substring(2); + } + // Get all elements from the PDF date string. + // JavaScript's Date object expects the month to be between + // 0 and 11 instead of 1 and 12, so we're correcting for this. + var year = parseInt(dateToParse.substring(0, 4), 10); + var month = parseInt(dateToParse.substring(4, 6), 10) - 1; + var day = parseInt(dateToParse.substring(6, 8), 10); + var hours = parseInt(dateToParse.substring(8, 10), 10); + var minutes = parseInt(dateToParse.substring(10, 12), 10); + var seconds = parseInt(dateToParse.substring(12, 14), 10); + var utRel = dateToParse.substring(14, 15); + var offsetHours = parseInt(dateToParse.substring(15, 17), 10); + var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10); + // As per spec, utRel = 'Z' means equal to universal time. + // The other cases ('-' and '+') have to be handled here. + if (utRel === '-') { + hours += offsetHours; + minutes += offsetMinutes; + } else if (utRel === '+') { + hours -= offsetHours; + minutes -= offsetMinutes; + } + // Return the new date format from the user's locale. + var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds)); + var dateString = date.toLocaleDateString(); + var timeString = date.toLocaleTimeString(); + return mozL10n.get('document_properties_date_string', { + date: dateString, + time: timeString + }, '{{date}}, {{time}}'); + } + }; + return PDFDocumentProperties; + }(); + exports.PDFDocumentProperties = PDFDocumentProperties; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFFindController = {}, root.pdfjsWebUIUtils); + }(this, function (exports, uiUtils) { + var scrollIntoView = uiUtils.scrollIntoView; + var FindStates = { + FIND_FOUND: 0, + FIND_NOTFOUND: 1, + FIND_WRAPPED: 2, + FIND_PENDING: 3 + }; + var FIND_SCROLL_OFFSET_TOP = -50; + var FIND_SCROLL_OFFSET_LEFT = -400; + var CHARACTERS_TO_NORMALIZE = { + '\u2018': '\'', + // Left single quotation mark + '\u2019': '\'', + // Right single quotation mark + '\u201A': '\'', + // Single low-9 quotation mark + '\u201B': '\'', + // Single high-reversed-9 quotation mark + '\u201C': '"', + // Left double quotation mark + '\u201D': '"', + // Right double quotation mark + '\u201E': '"', + // Double low-9 quotation mark + '\u201F': '"', + // Double high-reversed-9 quotation mark + '\u00BC': '1/4', + // Vulgar fraction one quarter + '\u00BD': '1/2', + // Vulgar fraction one half + '\u00BE': '3/4' + }; + // Vulgar fraction three quarters + /** + * Provides "search" or "find" functionality for the PDF. + * This object actually performs the search for a given string. + */ + var PDFFindController = function PDFFindControllerClosure() { + function PDFFindController(options) { + this.pdfViewer = options.pdfViewer || null; + this.onUpdateResultsCount = null; + this.onUpdateState = null; + this.reset(); + // Compile the regular expression for text normalization once. + var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(''); + this.normalizationRegex = new RegExp('[' + replace + ']', 'g'); + } + PDFFindController.prototype = { + reset: function PDFFindController_reset() { + this.startedTextExtraction = false; + this.extractTextPromises = []; + this.pendingFindMatches = Object.create(null); + this.active = false; + // If active, find results will be highlighted. + this.pageContents = []; + // Stores the text for each page. + this.pageMatches = []; + this.pageMatchesLength = null; + this.matchCount = 0; + this.selected = { + // Currently selected match. + pageIdx: -1, + matchIdx: -1 + }; + this.offset = { + // Where the find algorithm currently is in the document. + pageIdx: null, + matchIdx: null + }; + this.pagesToSearch = null; + this.resumePageIdx = null; + this.state = null; + this.dirtyMatch = false; + this.findTimeout = null; + this.firstPagePromise = new Promise(function (resolve) { + this.resolveFirstPage = resolve; + }.bind(this)); + }, + normalize: function PDFFindController_normalize(text) { + return text.replace(this.normalizationRegex, function (ch) { + return CHARACTERS_TO_NORMALIZE[ch]; + }); + }, + // Helper for multiple search - fills matchesWithLength array + // and takes into account cases when one search term + // include another search term (for example, "tamed tame" or "this is"). + // Looking for intersecting terms in the 'matches' and + // leave elements with a longer match-length. + _prepareMatches: function PDFFindController_prepareMatches(matchesWithLength, matches, matchesLength) { + function isSubTerm(matchesWithLength, currentIndex) { + var currentElem, prevElem, nextElem; + currentElem = matchesWithLength[currentIndex]; + nextElem = matchesWithLength[currentIndex + 1]; + // checking for cases like "TAMEd TAME" + if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) { + currentElem.skipped = true; + return true; + } + // checking for cases like "thIS IS" + for (var i = currentIndex - 1; i >= 0; i--) { + prevElem = matchesWithLength[i]; + if (prevElem.skipped) { + continue; + } + if (prevElem.match + prevElem.matchLength < currentElem.match) { + break; + } + if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) { + currentElem.skipped = true; + return true; + } + } + return false; + } + var i, len; + // Sorting array of objects { match: <match>, matchLength: <matchLength> } + // in increasing index first and then the lengths. + matchesWithLength.sort(function (a, b) { + return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match; + }); + for (i = 0, len = matchesWithLength.length; i < len; i++) { + if (isSubTerm(matchesWithLength, i)) { + continue; + } + matches.push(matchesWithLength[i].match); + matchesLength.push(matchesWithLength[i].matchLength); + } + }, + calcFindPhraseMatch: function PDFFindController_calcFindPhraseMatch(query, pageIndex, pageContent) { + var matches = []; + var queryLen = query.length; + var matchIdx = -queryLen; + while (true) { + matchIdx = pageContent.indexOf(query, matchIdx + queryLen); + if (matchIdx === -1) { + break; + } + matches.push(matchIdx); + } + this.pageMatches[pageIndex] = matches; + }, + calcFindWordMatch: function PDFFindController_calcFindWordMatch(query, pageIndex, pageContent) { + var matchesWithLength = []; + // Divide the query into pieces and search for text on each piece. + var queryArray = query.match(/\S+/g); + var subquery, subqueryLen, matchIdx; + for (var i = 0, len = queryArray.length; i < len; i++) { + subquery = queryArray[i]; + subqueryLen = subquery.length; + matchIdx = -subqueryLen; + while (true) { + matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen); + if (matchIdx === -1) { + break; + } + // Other searches do not, so we store the length. + matchesWithLength.push({ + match: matchIdx, + matchLength: subqueryLen, + skipped: false + }); + } + } + // Prepare arrays for store the matches. + if (!this.pageMatchesLength) { + this.pageMatchesLength = []; + } + this.pageMatchesLength[pageIndex] = []; + this.pageMatches[pageIndex] = []; + // Sort matchesWithLength, clean up intersecting terms + // and put the result into the two arrays. + this._prepareMatches(matchesWithLength, this.pageMatches[pageIndex], this.pageMatchesLength[pageIndex]); + }, + calcFindMatch: function PDFFindController_calcFindMatch(pageIndex) { + var pageContent = this.normalize(this.pageContents[pageIndex]); + var query = this.normalize(this.state.query); + var caseSensitive = this.state.caseSensitive; + var phraseSearch = this.state.phraseSearch; + var queryLen = query.length; + if (queryLen === 0) { + // Do nothing: the matches should be wiped out already. + return; + } + if (!caseSensitive) { + pageContent = pageContent.toLowerCase(); + query = query.toLowerCase(); + } + if (phraseSearch) { + this.calcFindPhraseMatch(query, pageIndex, pageContent); + } else { + this.calcFindWordMatch(query, pageIndex, pageContent); + } + this.updatePage(pageIndex); + if (this.resumePageIdx === pageIndex) { + this.resumePageIdx = null; + this.nextPageMatch(); + } + // Update the matches count + if (this.pageMatches[pageIndex].length > 0) { + this.matchCount += this.pageMatches[pageIndex].length; + this.updateUIResultsCount(); + } + }, + extractText: function PDFFindController_extractText() { + if (this.startedTextExtraction) { + return; + } + this.startedTextExtraction = true; + this.pageContents = []; + var extractTextPromisesResolves = []; + var numPages = this.pdfViewer.pagesCount; + for (var i = 0; i < numPages; i++) { + this.extractTextPromises.push(new Promise(function (resolve) { + extractTextPromisesResolves.push(resolve); + })); + } + var self = this; + function extractPageText(pageIndex) { + self.pdfViewer.getPageTextContent(pageIndex).then(function textContentResolved(textContent) { + var textItems = textContent.items; + var str = []; + for (var i = 0, len = textItems.length; i < len; i++) { + str.push(textItems[i].str); + } + // Store the pageContent as a string. + self.pageContents.push(str.join('')); + extractTextPromisesResolves[pageIndex](pageIndex); + if (pageIndex + 1 < self.pdfViewer.pagesCount) { + extractPageText(pageIndex + 1); + } + }); + } + extractPageText(0); + }, + executeCommand: function PDFFindController_executeCommand(cmd, state) { + if (this.state === null || cmd !== 'findagain') { + this.dirtyMatch = true; + } + this.state = state; + this.updateUIState(FindStates.FIND_PENDING); + this.firstPagePromise.then(function () { + this.extractText(); + clearTimeout(this.findTimeout); + if (cmd === 'find') { + // Only trigger the find action after 250ms of silence. + this.findTimeout = setTimeout(this.nextMatch.bind(this), 250); + } else { + this.nextMatch(); + } + }.bind(this)); + }, + updatePage: function PDFFindController_updatePage(index) { + if (this.selected.pageIdx === index) { + // If the page is selected, scroll the page into view, which triggers + // rendering the page, which adds the textLayer. Once the textLayer is + // build, it will scroll onto the selected match. + this.pdfViewer.currentPageNumber = index + 1; + } + var page = this.pdfViewer.getPageView(index); + if (page.textLayer) { + page.textLayer.updateMatches(); + } + }, + nextMatch: function PDFFindController_nextMatch() { + var previous = this.state.findPrevious; + var currentPageIndex = this.pdfViewer.currentPageNumber - 1; + var numPages = this.pdfViewer.pagesCount; + this.active = true; + if (this.dirtyMatch) { + // Need to recalculate the matches, reset everything. + this.dirtyMatch = false; + this.selected.pageIdx = this.selected.matchIdx = -1; + this.offset.pageIdx = currentPageIndex; + this.offset.matchIdx = null; + this.hadMatch = false; + this.resumePageIdx = null; + this.pageMatches = []; + this.matchCount = 0; + this.pageMatchesLength = null; + var self = this; + for (var i = 0; i < numPages; i++) { + // Wipe out any previous highlighted matches. + this.updatePage(i); + // As soon as the text is extracted start finding the matches. + if (!(i in this.pendingFindMatches)) { + this.pendingFindMatches[i] = true; + this.extractTextPromises[i].then(function (pageIdx) { + delete self.pendingFindMatches[pageIdx]; + self.calcFindMatch(pageIdx); + }); + } + } + } + // If there's no query there's no point in searching. + if (this.state.query === '') { + this.updateUIState(FindStates.FIND_FOUND); + return; + } + // If we're waiting on a page, we return since we can't do anything else. + if (this.resumePageIdx) { + return; + } + var offset = this.offset; + // Keep track of how many pages we should maximally iterate through. + this.pagesToSearch = numPages; + // If there's already a matchIdx that means we are iterating through a + // page's matches. + if (offset.matchIdx !== null) { + var numPageMatches = this.pageMatches[offset.pageIdx].length; + if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) { + // The simple case; we just have advance the matchIdx to select + // the next match on the page. + this.hadMatch = true; + offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1; + this.updateMatch(true); + return; + } + // We went beyond the current page's matches, so we advance to + // the next page. + this.advanceOffsetPage(previous); + } + // Start searching through the page. + this.nextPageMatch(); + }, + matchesReady: function PDFFindController_matchesReady(matches) { + var offset = this.offset; + var numMatches = matches.length; + var previous = this.state.findPrevious; + if (numMatches) { + // There were matches for the page, so initialize the matchIdx. + this.hadMatch = true; + offset.matchIdx = previous ? numMatches - 1 : 0; + this.updateMatch(true); + return true; + } else { + // No matches, so attempt to search the next page. + this.advanceOffsetPage(previous); + if (offset.wrapped) { + offset.matchIdx = null; + if (this.pagesToSearch < 0) { + // No point in wrapping again, there were no matches. + this.updateMatch(false); + // while matches were not found, searching for a page + // with matches should nevertheless halt. + return true; + } + } + // Matches were not found (and searching is not done). + return false; + } + }, + /** + * The method is called back from the text layer when match presentation + * is updated. + * @param {number} pageIndex - page index. + * @param {number} index - match index. + * @param {Array} elements - text layer div elements array. + * @param {number} beginIdx - start index of the div array for the match. + */ + updateMatchPosition: function PDFFindController_updateMatchPosition(pageIndex, index, elements, beginIdx) { + if (this.selected.matchIdx === index && this.selected.pageIdx === pageIndex) { + var spot = { + top: FIND_SCROLL_OFFSET_TOP, + left: FIND_SCROLL_OFFSET_LEFT + }; + scrollIntoView(elements[beginIdx], spot, /* skipOverflowHiddenElements = */ + true); + } + }, + nextPageMatch: function PDFFindController_nextPageMatch() { + if (this.resumePageIdx !== null) { + console.error('There can only be one pending page.'); + } + do { + var pageIdx = this.offset.pageIdx; + var matches = this.pageMatches[pageIdx]; + if (!matches) { + // The matches don't exist yet for processing by "matchesReady", + // so set a resume point for when they do exist. + this.resumePageIdx = pageIdx; + break; + } + } while (!this.matchesReady(matches)); + }, + advanceOffsetPage: function PDFFindController_advanceOffsetPage(previous) { + var offset = this.offset; + var numPages = this.extractTextPromises.length; + offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1; + offset.matchIdx = null; + this.pagesToSearch--; + if (offset.pageIdx >= numPages || offset.pageIdx < 0) { + offset.pageIdx = previous ? numPages - 1 : 0; + offset.wrapped = true; + } + }, + updateMatch: function PDFFindController_updateMatch(found) { + var state = FindStates.FIND_NOTFOUND; + var wrapped = this.offset.wrapped; + this.offset.wrapped = false; + if (found) { + var previousPage = this.selected.pageIdx; + this.selected.pageIdx = this.offset.pageIdx; + this.selected.matchIdx = this.offset.matchIdx; + state = wrapped ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND; + // Update the currently selected page to wipe out any selected matches. + if (previousPage !== -1 && previousPage !== this.selected.pageIdx) { + this.updatePage(previousPage); + } + } + this.updateUIState(state, this.state.findPrevious); + if (this.selected.pageIdx !== -1) { + this.updatePage(this.selected.pageIdx); + } + }, + updateUIResultsCount: function PDFFindController_updateUIResultsCount() { + if (this.onUpdateResultsCount) { + this.onUpdateResultsCount(this.matchCount); + } + }, + updateUIState: function PDFFindController_updateUIState(state, previous) { + if (this.onUpdateState) { + this.onUpdateState(state, previous, this.matchCount); + } + } + }; + return PDFFindController; + }(); + exports.FindStates = FindStates; + exports.PDFFindController = PDFFindController; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFPresentationMode = {}, root.pdfjsWebUIUtils); + }(this, function (exports, uiUtils) { + var normalizeWheelEventDelta = uiUtils.normalizeWheelEventDelta; + var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500; + // in ms + var DELAY_BEFORE_HIDING_CONTROLS = 3000; + // in ms + var ACTIVE_SELECTOR = 'pdfPresentationMode'; + var CONTROLS_SELECTOR = 'pdfPresentationModeControls'; + /** + * @typedef {Object} PDFPresentationModeOptions + * @property {HTMLDivElement} container - The container for the viewer element. + * @property {HTMLDivElement} viewer - (optional) The viewer element. + * @property {PDFViewer} pdfViewer - The document viewer. + * @property {EventBus} eventBus - The application event bus. + * @property {Array} contextMenuItems - (optional) The menuitems that are added + * to the context menu in Presentation Mode. + */ + /** + * @class + */ + var PDFPresentationMode = function PDFPresentationModeClosure() { + /** + * @constructs PDFPresentationMode + * @param {PDFPresentationModeOptions} options + */ + function PDFPresentationMode(options) { + this.container = options.container; + this.viewer = options.viewer || options.container.firstElementChild; + this.pdfViewer = options.pdfViewer; + this.eventBus = options.eventBus; + var contextMenuItems = options.contextMenuItems || null; + this.active = false; + this.args = null; + this.contextMenuOpen = false; + this.mouseScrollTimeStamp = 0; + this.mouseScrollDelta = 0; + this.touchSwipeState = null; + if (contextMenuItems) { + contextMenuItems.contextFirstPage.addEventListener('click', function PDFPresentationMode_contextFirstPageClick(e) { + this.contextMenuOpen = false; + this.eventBus.dispatch('firstpage'); + }.bind(this)); + contextMenuItems.contextLastPage.addEventListener('click', function PDFPresentationMode_contextLastPageClick(e) { + this.contextMenuOpen = false; + this.eventBus.dispatch('lastpage'); + }.bind(this)); + contextMenuItems.contextPageRotateCw.addEventListener('click', function PDFPresentationMode_contextPageRotateCwClick(e) { + this.contextMenuOpen = false; + this.eventBus.dispatch('rotatecw'); + }.bind(this)); + contextMenuItems.contextPageRotateCcw.addEventListener('click', function PDFPresentationMode_contextPageRotateCcwClick(e) { + this.contextMenuOpen = false; + this.eventBus.dispatch('rotateccw'); + }.bind(this)); + } + } + PDFPresentationMode.prototype = { + /** + * Request the browser to enter fullscreen mode. + * @returns {boolean} Indicating if the request was successful. + */ + request: function PDFPresentationMode_request() { + if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) { + return false; + } + this._addFullscreenChangeListeners(); + this._setSwitchInProgress(); + this._notifyStateChange(); + if (this.container.requestFullscreen) { + this.container.requestFullscreen(); + } else if (this.container.mozRequestFullScreen) { + this.container.mozRequestFullScreen(); + } else if (this.container.webkitRequestFullscreen) { + this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); + } else if (this.container.msRequestFullscreen) { + this.container.msRequestFullscreen(); + } else { + return false; + } + this.args = { + page: this.pdfViewer.currentPageNumber, + previousScale: this.pdfViewer.currentScaleValue + }; + return true; + }, + /** + * @private + */ + _mouseWheel: function PDFPresentationMode_mouseWheel(evt) { + if (!this.active) { + return; + } + evt.preventDefault(); + var delta = normalizeWheelEventDelta(evt); + var MOUSE_SCROLL_COOLDOWN_TIME = 50; + var PAGE_SWITCH_THRESHOLD = 0.1; + var currentTime = new Date().getTime(); + var storedTime = this.mouseScrollTimeStamp; + // If we've already switched page, avoid accidentally switching again. + if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) { + return; + } + // If the scroll direction changed, reset the accumulated scroll delta. + if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) { + this._resetMouseScrollState(); + } + this.mouseScrollDelta += delta; + if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) { + var totalDelta = this.mouseScrollDelta; + this._resetMouseScrollState(); + var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage(); + if (success) { + this.mouseScrollTimeStamp = currentTime; + } + } + }, + get isFullscreen() { + return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement); + }, + /** + * @private + */ + _goToPreviousPage: function PDFPresentationMode_goToPreviousPage() { + var page = this.pdfViewer.currentPageNumber; + // If we're at the first page, we don't need to do anything. + if (page <= 1) { + return false; + } + this.pdfViewer.currentPageNumber = page - 1; + return true; + }, + /** + * @private + */ + _goToNextPage: function PDFPresentationMode_goToNextPage() { + var page = this.pdfViewer.currentPageNumber; + // If we're at the last page, we don't need to do anything. + if (page >= this.pdfViewer.pagesCount) { + return false; + } + this.pdfViewer.currentPageNumber = page + 1; + return true; + }, + /** + * @private + */ + _notifyStateChange: function PDFPresentationMode_notifyStateChange() { + this.eventBus.dispatch('presentationmodechanged', { + source: this, + active: this.active, + switchInProgress: !!this.switchInProgress + }); + }, + /** + * Used to initialize a timeout when requesting Presentation Mode, + * i.e. when the browser is requested to enter fullscreen mode. + * This timeout is used to prevent the current page from being scrolled + * partially, or completely, out of view when entering Presentation Mode. + * NOTE: This issue seems limited to certain zoom levels (e.g. page-width). + * @private + */ + _setSwitchInProgress: function PDFPresentationMode_setSwitchInProgress() { + if (this.switchInProgress) { + clearTimeout(this.switchInProgress); + } + this.switchInProgress = setTimeout(function switchInProgressTimeout() { + this._removeFullscreenChangeListeners(); + delete this.switchInProgress; + this._notifyStateChange(); + }.bind(this), DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS); + }, + /** + * @private + */ + _resetSwitchInProgress: function PDFPresentationMode_resetSwitchInProgress() { + if (this.switchInProgress) { + clearTimeout(this.switchInProgress); + delete this.switchInProgress; + } + }, + /** + * @private + */ + _enter: function PDFPresentationMode_enter() { + this.active = true; + this._resetSwitchInProgress(); + this._notifyStateChange(); + this.container.classList.add(ACTIVE_SELECTOR); + // Ensure that the correct page is scrolled into view when entering + // Presentation Mode, by waiting until fullscreen mode in enabled. + setTimeout(function enterPresentationModeTimeout() { + this.pdfViewer.currentPageNumber = this.args.page; + this.pdfViewer.currentScaleValue = 'page-fit'; + }.bind(this), 0); + this._addWindowListeners(); + this._showControls(); + this.contextMenuOpen = false; + this.container.setAttribute('contextmenu', 'viewerContextMenu'); + // Text selection is disabled in Presentation Mode, thus it's not possible + // for the user to deselect text that is selected (e.g. with "Select all") + // when entering Presentation Mode, hence we remove any active selection. + window.getSelection().removeAllRanges(); + }, + /** + * @private + */ + _exit: function PDFPresentationMode_exit() { + var page = this.pdfViewer.currentPageNumber; + this.container.classList.remove(ACTIVE_SELECTOR); + // Ensure that the correct page is scrolled into view when exiting + // Presentation Mode, by waiting until fullscreen mode is disabled. + setTimeout(function exitPresentationModeTimeout() { + this.active = false; + this._removeFullscreenChangeListeners(); + this._notifyStateChange(); + this.pdfViewer.currentScaleValue = this.args.previousScale; + this.pdfViewer.currentPageNumber = page; + this.args = null; + }.bind(this), 0); + this._removeWindowListeners(); + this._hideControls(); + this._resetMouseScrollState(); + this.container.removeAttribute('contextmenu'); + this.contextMenuOpen = false; + }, + /** + * @private + */ + _mouseDown: function PDFPresentationMode_mouseDown(evt) { + if (this.contextMenuOpen) { + this.contextMenuOpen = false; + evt.preventDefault(); + return; + } + if (evt.button === 0) { + // Enable clicking of links in presentation mode. Please note: + // Only links pointing to destinations in the current PDF document work. + var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink'); + if (!isInternalLink) { + // Unless an internal link was clicked, advance one page. + evt.preventDefault(); + this.pdfViewer.currentPageNumber += evt.shiftKey ? -1 : 1; + } + } + }, + /** + * @private + */ + _contextMenu: function PDFPresentationMode_contextMenu() { + this.contextMenuOpen = true; + }, + /** + * @private + */ + _showControls: function PDFPresentationMode_showControls() { + if (this.controlsTimeout) { + clearTimeout(this.controlsTimeout); + } else { + this.container.classList.add(CONTROLS_SELECTOR); + } + this.controlsTimeout = setTimeout(function showControlsTimeout() { + this.container.classList.remove(CONTROLS_SELECTOR); + delete this.controlsTimeout; + }.bind(this), DELAY_BEFORE_HIDING_CONTROLS); + }, + /** + * @private + */ + _hideControls: function PDFPresentationMode_hideControls() { + if (!this.controlsTimeout) { + return; + } + clearTimeout(this.controlsTimeout); + this.container.classList.remove(CONTROLS_SELECTOR); + delete this.controlsTimeout; + }, + /** + * Resets the properties used for tracking mouse scrolling events. + * @private + */ + _resetMouseScrollState: function PDFPresentationMode_resetMouseScrollState() { + this.mouseScrollTimeStamp = 0; + this.mouseScrollDelta = 0; + }, + /** + * @private + */ + _touchSwipe: function PDFPresentationMode_touchSwipe(evt) { + if (!this.active) { + return; + } + // Must move at least these many CSS pixels for it to count as a swipe + var SWIPE_MIN_DISTANCE_THRESHOLD = 50; + // The swipe angle is allowed to deviate from the x or y axis by this much + // before it is not considered a swipe in that direction any more. + var SWIPE_ANGLE_THRESHOLD = Math.PI / 6; + if (evt.touches.length > 1) { + // Multiple touch points detected, cancel the swipe. + this.touchSwipeState = null; + return; + } + switch (evt.type) { + case 'touchstart': + this.touchSwipeState = { + startX: evt.touches[0].pageX, + startY: evt.touches[0].pageY, + endX: evt.touches[0].pageX, + endY: evt.touches[0].pageY + }; + break; + case 'touchmove': + if (this.touchSwipeState === null) { + return; + } + this.touchSwipeState.endX = evt.touches[0].pageX; + this.touchSwipeState.endY = evt.touches[0].pageY; + // Do a preventDefault to avoid the swipe from triggering browser + // gestures (Chrome in particular has some sort of swipe gesture in + // fullscreen mode). + evt.preventDefault(); + break; + case 'touchend': + if (this.touchSwipeState === null) { + return; + } + var delta = 0; + var dx = this.touchSwipeState.endX - this.touchSwipeState.startX; + var dy = this.touchSwipeState.endY - this.touchSwipeState.startY; + var absAngle = Math.abs(Math.atan2(dy, dx)); + if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) { + // horizontal swipe + delta = dx; + } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) { + // vertical swipe + delta = dy; + } + if (delta > 0) { + this._goToPreviousPage(); + } else if (delta < 0) { + this._goToNextPage(); + } + break; + } + }, + /** + * @private + */ + _addWindowListeners: function PDFPresentationMode_addWindowListeners() { + this.showControlsBind = this._showControls.bind(this); + this.mouseDownBind = this._mouseDown.bind(this); + this.mouseWheelBind = this._mouseWheel.bind(this); + this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this); + this.contextMenuBind = this._contextMenu.bind(this); + this.touchSwipeBind = this._touchSwipe.bind(this); + window.addEventListener('mousemove', this.showControlsBind); + window.addEventListener('mousedown', this.mouseDownBind); + window.addEventListener('wheel', this.mouseWheelBind); + window.addEventListener('keydown', this.resetMouseScrollStateBind); + window.addEventListener('contextmenu', this.contextMenuBind); + window.addEventListener('touchstart', this.touchSwipeBind); + window.addEventListener('touchmove', this.touchSwipeBind); + window.addEventListener('touchend', this.touchSwipeBind); + }, + /** + * @private + */ + _removeWindowListeners: function PDFPresentationMode_removeWindowListeners() { + window.removeEventListener('mousemove', this.showControlsBind); + window.removeEventListener('mousedown', this.mouseDownBind); + window.removeEventListener('wheel', this.mouseWheelBind); + window.removeEventListener('keydown', this.resetMouseScrollStateBind); + window.removeEventListener('contextmenu', this.contextMenuBind); + window.removeEventListener('touchstart', this.touchSwipeBind); + window.removeEventListener('touchmove', this.touchSwipeBind); + window.removeEventListener('touchend', this.touchSwipeBind); + delete this.showControlsBind; + delete this.mouseDownBind; + delete this.mouseWheelBind; + delete this.resetMouseScrollStateBind; + delete this.contextMenuBind; + delete this.touchSwipeBind; + }, + /** + * @private + */ + _fullscreenChange: function PDFPresentationMode_fullscreenChange() { + if (this.isFullscreen) { + this._enter(); + } else { + this._exit(); + } + }, + /** + * @private + */ + _addFullscreenChangeListeners: function PDFPresentationMode_addFullscreenChangeListeners() { + this.fullscreenChangeBind = this._fullscreenChange.bind(this); + window.addEventListener('fullscreenchange', this.fullscreenChangeBind); + window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind); + }, + /** + * @private + */ + _removeFullscreenChangeListeners: function PDFPresentationMode_removeFullscreenChangeListeners() { + window.removeEventListener('fullscreenchange', this.fullscreenChangeBind); + window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind); + delete this.fullscreenChangeBind; + } + }; + return PDFPresentationMode; + }(); + exports.PDFPresentationMode = PDFPresentationMode; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFThumbnailView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue); + }(this, function (exports, uiUtils, pdfRenderingQueue) { + var mozL10n = uiUtils.mozL10n; + var getOutputScale = uiUtils.getOutputScale; + var RenderingStates = pdfRenderingQueue.RenderingStates; + var THUMBNAIL_WIDTH = 98; + // px + var THUMBNAIL_CANVAS_BORDER_WIDTH = 1; + // px + /** + * @typedef {Object} PDFThumbnailViewOptions + * @property {HTMLDivElement} container - The viewer element. + * @property {number} id - The thumbnail's unique ID (normally its number). + * @property {PageViewport} defaultViewport - The page viewport. + * @property {IPDFLinkService} linkService - The navigation/linking service. + * @property {PDFRenderingQueue} renderingQueue - The rendering queue object. + * @property {boolean} disableCanvasToImageConversion - (optional) Don't convert + * the canvas thumbnails to images. This prevents `toDataURL` calls, + * but increases the overall memory usage. The default value is false. + */ + /** + * @class + * @implements {IRenderableView} + */ + var PDFThumbnailView = function PDFThumbnailViewClosure() { + function getTempCanvas(width, height) { + var tempCanvas = PDFThumbnailView.tempImageCache; + if (!tempCanvas) { + tempCanvas = document.createElement('canvas'); + PDFThumbnailView.tempImageCache = tempCanvas; + } + tempCanvas.width = width; + tempCanvas.height = height; + tempCanvas.mozOpaque = true; + var ctx = tempCanvas.getContext('2d', { alpha: false }); + ctx.save(); + ctx.fillStyle = 'rgb(255, 255, 255)'; + ctx.fillRect(0, 0, width, height); + ctx.restore(); + return tempCanvas; + } + /** + * @constructs PDFThumbnailView + * @param {PDFThumbnailViewOptions} options + */ + function PDFThumbnailView(options) { + var container = options.container; + var id = options.id; + var defaultViewport = options.defaultViewport; + var linkService = options.linkService; + var renderingQueue = options.renderingQueue; + var disableCanvasToImageConversion = options.disableCanvasToImageConversion || false; + this.id = id; + this.renderingId = 'thumbnail' + id; + this.pageLabel = null; + this.pdfPage = null; + this.rotation = 0; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this.linkService = linkService; + this.renderingQueue = renderingQueue; + this.renderTask = null; + this.renderingState = RenderingStates.INITIAL; + this.resume = null; + this.disableCanvasToImageConversion = disableCanvasToImageConversion; + this.pageWidth = this.viewport.width; + this.pageHeight = this.viewport.height; + this.pageRatio = this.pageWidth / this.pageHeight; + this.canvasWidth = THUMBNAIL_WIDTH; + this.canvasHeight = this.canvasWidth / this.pageRatio | 0; + this.scale = this.canvasWidth / this.pageWidth; + var anchor = document.createElement('a'); + anchor.href = linkService.getAnchorUrl('#page=' + id); + anchor.title = mozL10n.get('thumb_page_title', { page: id }, 'Page {{page}}'); + anchor.onclick = function stopNavigation() { + linkService.page = id; + return false; + }; + this.anchor = anchor; + var div = document.createElement('div'); + div.id = 'thumbnailContainer' + id; + div.className = 'thumbnail'; + this.div = div; + if (id === 1) { + // Highlight the thumbnail of the first page when no page number is + // specified (or exists in cache) when the document is loaded. + div.classList.add('selected'); + } + var ring = document.createElement('div'); + ring.className = 'thumbnailSelectionRing'; + var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH; + ring.style.width = this.canvasWidth + borderAdjustment + 'px'; + ring.style.height = this.canvasHeight + borderAdjustment + 'px'; + this.ring = ring; + div.appendChild(ring); + anchor.appendChild(div); + container.appendChild(anchor); + } + PDFThumbnailView.prototype = { + setPdfPage: function PDFThumbnailView_setPdfPage(pdfPage) { + this.pdfPage = pdfPage; + this.pdfPageRotate = pdfPage.rotate; + var totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = pdfPage.getViewport(1, totalRotation); + this.reset(); + }, + reset: function PDFThumbnailView_reset() { + this.cancelRendering(); + this.pageWidth = this.viewport.width; + this.pageHeight = this.viewport.height; + this.pageRatio = this.pageWidth / this.pageHeight; + this.canvasHeight = this.canvasWidth / this.pageRatio | 0; + this.scale = this.canvasWidth / this.pageWidth; + this.div.removeAttribute('data-loaded'); + var ring = this.ring; + var childNodes = ring.childNodes; + for (var i = childNodes.length - 1; i >= 0; i--) { + ring.removeChild(childNodes[i]); + } + var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH; + ring.style.width = this.canvasWidth + borderAdjustment + 'px'; + ring.style.height = this.canvasHeight + borderAdjustment + 'px'; + if (this.canvas) { + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + this.canvas.width = 0; + this.canvas.height = 0; + delete this.canvas; + } + if (this.image) { + this.image.removeAttribute('src'); + delete this.image; + } + }, + update: function PDFThumbnailView_update(rotation) { + if (typeof rotation !== 'undefined') { + this.rotation = rotation; + } + var totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: 1, + rotation: totalRotation + }); + this.reset(); + }, + cancelRendering: function PDFThumbnailView_cancelRendering() { + if (this.renderTask) { + this.renderTask.cancel(); + this.renderTask = null; + } + this.renderingState = RenderingStates.INITIAL; + this.resume = null; + }, + /** + * @private + */ + _getPageDrawContext: function PDFThumbnailView_getPageDrawContext(noCtxScale) { + var canvas = document.createElement('canvas'); + // Keep the no-thumbnail outline visible, i.e. `data-loaded === false`, + // until rendering/image conversion is complete, to avoid display issues. + this.canvas = canvas; + canvas.mozOpaque = true; + var ctx = canvas.getContext('2d', { alpha: false }); + var outputScale = getOutputScale(ctx); + canvas.width = this.canvasWidth * outputScale.sx | 0; + canvas.height = this.canvasHeight * outputScale.sy | 0; + canvas.style.width = this.canvasWidth + 'px'; + canvas.style.height = this.canvasHeight + 'px'; + if (!noCtxScale && outputScale.scaled) { + ctx.scale(outputScale.sx, outputScale.sy); + } + return ctx; + }, + /** + * @private + */ + _convertCanvasToImage: function PDFThumbnailView_convertCanvasToImage() { + if (!this.canvas) { + return; + } + if (this.renderingState !== RenderingStates.FINISHED) { + return; + } + var id = this.renderingId; + var className = 'thumbnailImage'; + var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}'); + if (this.disableCanvasToImageConversion) { + this.canvas.id = id; + this.canvas.className = className; + this.canvas.setAttribute('aria-label', ariaLabel); + this.div.setAttribute('data-loaded', true); + this.ring.appendChild(this.canvas); + return; + } + var image = document.createElement('img'); + image.id = id; + image.className = className; + image.setAttribute('aria-label', ariaLabel); + image.style.width = this.canvasWidth + 'px'; + image.style.height = this.canvasHeight + 'px'; + image.src = this.canvas.toDataURL(); + this.image = image; + this.div.setAttribute('data-loaded', true); + this.ring.appendChild(image); + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + this.canvas.width = 0; + this.canvas.height = 0; + delete this.canvas; + }, + draw: function PDFThumbnailView_draw() { + if (this.renderingState !== RenderingStates.INITIAL) { + console.error('Must be in new state before drawing'); + return Promise.resolve(undefined); + } + this.renderingState = RenderingStates.RUNNING; + var resolveRenderPromise, rejectRenderPromise; + var promise = new Promise(function (resolve, reject) { + resolveRenderPromise = resolve; + rejectRenderPromise = reject; + }); + var self = this; + function thumbnailDrawCallback(error) { + // The renderTask may have been replaced by a new one, so only remove + // the reference to the renderTask if it matches the one that is + // triggering this callback. + if (renderTask === self.renderTask) { + self.renderTask = null; + } + if (error === 'cancelled') { + rejectRenderPromise(error); + return; + } + self.renderingState = RenderingStates.FINISHED; + self._convertCanvasToImage(); + if (!error) { + resolveRenderPromise(undefined); + } else { + rejectRenderPromise(error); + } + } + var ctx = this._getPageDrawContext(); + var drawViewport = this.viewport.clone({ scale: this.scale }); + var renderContinueCallback = function renderContinueCallback(cont) { + if (!self.renderingQueue.isHighestPriority(self)) { + self.renderingState = RenderingStates.PAUSED; + self.resume = function resumeCallback() { + self.renderingState = RenderingStates.RUNNING; + cont(); + }; + return; + } + cont(); + }; + var renderContext = { + canvasContext: ctx, + viewport: drawViewport + }; + var renderTask = this.renderTask = this.pdfPage.render(renderContext); + renderTask.onContinue = renderContinueCallback; + renderTask.promise.then(function pdfPageRenderCallback() { + thumbnailDrawCallback(null); + }, function pdfPageRenderError(error) { + thumbnailDrawCallback(error); + }); + return promise; + }, + setImage: function PDFThumbnailView_setImage(pageView) { + if (this.renderingState !== RenderingStates.INITIAL) { + return; + } + var img = pageView.canvas; + if (!img) { + return; + } + if (!this.pdfPage) { + this.setPdfPage(pageView.pdfPage); + } + this.renderingState = RenderingStates.FINISHED; + var ctx = this._getPageDrawContext(true); + var canvas = ctx.canvas; + if (img.width <= 2 * canvas.width) { + ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height); + this._convertCanvasToImage(); + return; + } + // drawImage does an awful job of rescaling the image, doing it gradually. + var MAX_NUM_SCALING_STEPS = 3; + var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS; + var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS; + var reducedImage = getTempCanvas(reducedWidth, reducedHeight); + var reducedImageCtx = reducedImage.getContext('2d'); + while (reducedWidth > img.width || reducedHeight > img.height) { + reducedWidth >>= 1; + reducedHeight >>= 1; + } + reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight); + while (reducedWidth > 2 * canvas.width) { + reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1); + reducedWidth >>= 1; + reducedHeight >>= 1; + } + ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height); + this._convertCanvasToImage(); + }, + get pageId() { + return this.pageLabel !== null ? this.pageLabel : this.id; + }, + /** + * @param {string|null} label + */ + setPageLabel: function PDFThumbnailView_setPageLabel(label) { + this.pageLabel = typeof label === 'string' ? label : null; + this.anchor.title = mozL10n.get('thumb_page_title', { page: this.pageId }, 'Page {{page}}'); + if (this.renderingState !== RenderingStates.FINISHED) { + return; + } + var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}'); + if (this.image) { + this.image.setAttribute('aria-label', ariaLabel); + } else if (this.disableCanvasToImageConversion && this.canvas) { + this.canvas.setAttribute('aria-label', ariaLabel); + } + } + }; + return PDFThumbnailView; + }(); + PDFThumbnailView.tempImageCache = null; + exports.PDFThumbnailView = PDFThumbnailView; + })); + (function (root, factory) { + factory(root.pdfjsWebSecondaryToolbar = {}, root.pdfjsWebUIUtils); + }(this, function (exports, uiUtils) { + var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING; + var mozL10n = uiUtils.mozL10n; + /** + * @typedef {Object} SecondaryToolbarOptions + * @property {HTMLDivElement} toolbar - Container for the secondary toolbar. + * @property {HTMLButtonElement} toggleButton - Button to toggle the visibility + * of the secondary toolbar. + * @property {HTMLDivElement} toolbarButtonContainer - Container where all the + * toolbar buttons are placed. The maximum height of the toolbar is controlled + * dynamically by adjusting the 'max-height' CSS property of this DOM element. + * @property {HTMLButtonElement} presentationModeButton - Button for entering + * presentation mode. + * @property {HTMLButtonElement} openFileButton - Button to open a file. + * @property {HTMLButtonElement} printButton - Button to print the document. + * @property {HTMLButtonElement} downloadButton - Button to download the + * document. + * @property {HTMLLinkElement} viewBookmarkButton - Button to obtain a bookmark + * link to the current location in the document. + * @property {HTMLButtonElement} firstPageButton - Button to go to the first + * page in the document. + * @property {HTMLButtonElement} lastPageButton - Button to go to the last page + * in the document. + * @property {HTMLButtonElement} pageRotateCwButton - Button to rotate the pages + * clockwise. + * @property {HTMLButtonElement} pageRotateCcwButton - Button to rotate the + * pages counterclockwise. + * @property {HTMLButtonElement} toggleHandToolButton - Button to toggle the + * hand tool. + * @property {HTMLButtonElement} documentPropertiesButton - Button for opening + * the document properties dialog. + */ + /** + * @class + */ + var SecondaryToolbar = function SecondaryToolbarClosure() { + /** + * @constructs SecondaryToolbar + * @param {SecondaryToolbarOptions} options + * @param {HTMLDivElement} mainContainer + * @param {EventBus} eventBus + */ + function SecondaryToolbar(options, mainContainer, eventBus) { + this.toolbar = options.toolbar; + this.toggleButton = options.toggleButton; + this.toolbarButtonContainer = options.toolbarButtonContainer; + this.buttons = [ + { + element: options.presentationModeButton, + eventName: 'presentationmode', + close: true + }, + { + element: options.openFileButton, + eventName: 'openfile', + close: true + }, + { + element: options.printButton, + eventName: 'print', + close: true + }, + { + element: options.downloadButton, + eventName: 'download', + close: true + }, + { + element: options.viewBookmarkButton, + eventName: null, + close: true + }, + { + element: options.firstPageButton, + eventName: 'firstpage', + close: true + }, + { + element: options.lastPageButton, + eventName: 'lastpage', + close: true + }, + { + element: options.pageRotateCwButton, + eventName: 'rotatecw', + close: false + }, + { + element: options.pageRotateCcwButton, + eventName: 'rotateccw', + close: false + }, + { + element: options.toggleHandToolButton, + eventName: 'togglehandtool', + close: true + }, + { + element: options.documentPropertiesButton, + eventName: 'documentproperties', + close: true + } + ]; + this.mainContainer = mainContainer; + this.eventBus = eventBus; + this.opened = false; + this.containerHeight = null; + this.previousContainerHeight = null; + // Bind the event listeners for click and hand tool actions. + this._bindClickListeners(); + this._bindHandToolListener(options.toggleHandToolButton); + // Bind the event listener for adjusting the 'max-height' of the toolbar. + this.eventBus.on('resize', this._setMaxHeight.bind(this)); + } + SecondaryToolbar.prototype = { + /** + * @return {boolean} + */ + get isOpen() { + return this.opened; + }, + _bindClickListeners: function SecondaryToolbar_bindClickListeners() { + // Button to toggle the visibility of the secondary toolbar. + this.toggleButton.addEventListener('click', this.toggle.bind(this)); + // All items within the secondary toolbar. + for (var button in this.buttons) { + var element = this.buttons[button].element; + var eventName = this.buttons[button].eventName; + var close = this.buttons[button].close; + element.addEventListener('click', function (eventName, close) { + if (eventName !== null) { + this.eventBus.dispatch(eventName, { source: this }); + } + if (close) { + this.close(); + } + }.bind(this, eventName, close)); + } + }, + _bindHandToolListener: function SecondaryToolbar_bindHandToolListener(toggleHandToolButton) { + var isHandToolActive = false; + this.eventBus.on('handtoolchanged', function (e) { + if (isHandToolActive === e.isActive) { + return; + } + isHandToolActive = e.isActive; + if (isHandToolActive) { + toggleHandToolButton.title = mozL10n.get('hand_tool_disable.title', null, 'Disable hand tool'); + toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_disable_label', null, 'Disable hand tool'); + } else { + toggleHandToolButton.title = mozL10n.get('hand_tool_enable.title', null, 'Enable hand tool'); + toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_enable_label', null, 'Enable hand tool'); + } + }.bind(this)); + }, + open: function SecondaryToolbar_open() { + if (this.opened) { + return; + } + this.opened = true; + this._setMaxHeight(); + this.toggleButton.classList.add('toggled'); + this.toolbar.classList.remove('hidden'); + }, + close: function SecondaryToolbar_close() { + if (!this.opened) { + return; + } + this.opened = false; + this.toolbar.classList.add('hidden'); + this.toggleButton.classList.remove('toggled'); + }, + toggle: function SecondaryToolbar_toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + }, + /** + * @private + */ + _setMaxHeight: function SecondaryToolbar_setMaxHeight() { + if (!this.opened) { + return; + } + // Only adjust the 'max-height' if the toolbar is visible. + this.containerHeight = this.mainContainer.clientHeight; + if (this.containerHeight === this.previousContainerHeight) { + return; + } + this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - SCROLLBAR_PADDING) + 'px;'); + this.previousContainerHeight = this.containerHeight; + } + }; + return SecondaryToolbar; + }(); + exports.SecondaryToolbar = SecondaryToolbar; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFFindBar = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFFindController); + }(this, function (exports, uiUtils, pdfFindController) { + var mozL10n = uiUtils.mozL10n; + var FindStates = pdfFindController.FindStates; + /** + * Creates a "search bar" given a set of DOM elements that act as controls + * for searching or for setting search preferences in the UI. This object + * also sets up the appropriate events for the controls. Actual searching + * is done by PDFFindController. + */ + var PDFFindBar = function PDFFindBarClosure() { + function PDFFindBar(options) { + this.opened = false; + this.bar = options.bar || null; + this.toggleButton = options.toggleButton || null; + this.findField = options.findField || null; + this.highlightAll = options.highlightAllCheckbox || null; + this.caseSensitive = options.caseSensitiveCheckbox || null; + this.findMsg = options.findMsg || null; + this.findResultsCount = options.findResultsCount || null; + this.findStatusIcon = options.findStatusIcon || null; + this.findPreviousButton = options.findPreviousButton || null; + this.findNextButton = options.findNextButton || null; + this.findController = options.findController || null; + this.eventBus = options.eventBus; + if (this.findController === null) { + throw new Error('PDFFindBar cannot be used without a ' + 'PDFFindController instance.'); + } + // Add event listeners to the DOM elements. + var self = this; + this.toggleButton.addEventListener('click', function () { + self.toggle(); + }); + this.findField.addEventListener('input', function () { + self.dispatchEvent(''); + }); + this.bar.addEventListener('keydown', function (evt) { + switch (evt.keyCode) { + case 13: + // Enter + if (evt.target === self.findField) { + self.dispatchEvent('again', evt.shiftKey); + } + break; + case 27: + // Escape + self.close(); + break; + } + }); + this.findPreviousButton.addEventListener('click', function () { + self.dispatchEvent('again', true); + }); + this.findNextButton.addEventListener('click', function () { + self.dispatchEvent('again', false); + }); + this.highlightAll.addEventListener('click', function () { + self.dispatchEvent('highlightallchange'); + }); + this.caseSensitive.addEventListener('click', function () { + self.dispatchEvent('casesensitivitychange'); + }); + } + PDFFindBar.prototype = { + reset: function PDFFindBar_reset() { + this.updateUIState(); + }, + dispatchEvent: function PDFFindBar_dispatchEvent(type, findPrev) { + this.eventBus.dispatch('find', { + source: this, + type: type, + query: this.findField.value, + caseSensitive: this.caseSensitive.checked, + phraseSearch: true, + highlightAll: this.highlightAll.checked, + findPrevious: findPrev + }); + }, + updateUIState: function PDFFindBar_updateUIState(state, previous, matchCount) { + var notFound = false; + var findMsg = ''; + var status = ''; + switch (state) { + case FindStates.FIND_FOUND: + break; + case FindStates.FIND_PENDING: + status = 'pending'; + break; + case FindStates.FIND_NOTFOUND: + findMsg = mozL10n.get('find_not_found', null, 'Phrase not found'); + notFound = true; + break; + case FindStates.FIND_WRAPPED: + if (previous) { + findMsg = mozL10n.get('find_reached_top', null, 'Reached top of document, continued from bottom'); + } else { + findMsg = mozL10n.get('find_reached_bottom', null, 'Reached end of document, continued from top'); + } + break; + } + if (notFound) { + this.findField.classList.add('notFound'); + } else { + this.findField.classList.remove('notFound'); + } + this.findField.setAttribute('data-status', status); + this.findMsg.textContent = findMsg; + this.updateResultsCount(matchCount); + }, + updateResultsCount: function (matchCount) { + if (!this.findResultsCount) { + return; + } + // no UI control is provided + // If there are no matches, hide the counter + if (!matchCount) { + this.findResultsCount.classList.add('hidden'); + return; + } + // Create the match counter + this.findResultsCount.textContent = matchCount.toLocaleString(); + // Show the counter + this.findResultsCount.classList.remove('hidden'); + }, + open: function PDFFindBar_open() { + if (!this.opened) { + this.opened = true; + this.toggleButton.classList.add('toggled'); + this.bar.classList.remove('hidden'); + } + this.findField.select(); + this.findField.focus(); + }, + close: function PDFFindBar_close() { + if (!this.opened) { + return; + } + this.opened = false; + this.toggleButton.classList.remove('toggled'); + this.bar.classList.add('hidden'); + this.findController.active = false; + }, + toggle: function PDFFindBar_toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + } + }; + return PDFFindBar; + }(); + exports.PDFFindBar = PDFFindBar; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFHistory = {}, root.pdfjsWebDOMEvents); + }(this, function (exports, domEvents) { + function PDFHistory(options) { + this.linkService = options.linkService; + this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); + this.initialized = false; + this.initialDestination = null; + this.initialBookmark = null; + } + PDFHistory.prototype = { + /** + * @param {string} fingerprint + */ + initialize: function pdfHistoryInitialize(fingerprint) { + this.initialized = true; + this.reInitialized = false; + this.allowHashChange = true; + this.historyUnlocked = true; + this.isViewerInPresentationMode = false; + this.previousHash = window.location.hash.substring(1); + this.currentBookmark = ''; + this.currentPage = 0; + this.updatePreviousBookmark = false; + this.previousBookmark = ''; + this.previousPage = 0; + this.nextHashParam = ''; + this.fingerprint = fingerprint; + this.currentUid = this.uid = 0; + this.current = {}; + var state = window.history.state; + if (this._isStateObjectDefined(state)) { + // This corresponds to navigating back to the document + // from another page in the browser history. + if (state.target.dest) { + this.initialDestination = state.target.dest; + } else { + this.initialBookmark = state.target.hash; + } + this.currentUid = state.uid; + this.uid = state.uid + 1; + this.current = state.target; + } else { + // This corresponds to the loading of a new document. + if (state && state.fingerprint && this.fingerprint !== state.fingerprint) { + // Reinitialize the browsing history when a new document + // is opened in the web viewer. + this.reInitialized = true; + } + this._pushOrReplaceState({ fingerprint: this.fingerprint }, true); + } + var self = this; + window.addEventListener('popstate', function pdfHistoryPopstate(evt) { + if (!self.historyUnlocked) { + return; + } + if (evt.state) { + // Move back/forward in the history. + self._goTo(evt.state); + return; + } + // If the state is not set, then the user tried to navigate to a + // different hash by manually editing the URL and pressing Enter, or by + // clicking on an in-page link (e.g. the "current view" link). + // Save the current view state to the browser history. + // Note: In Firefox, history.null could also be null after an in-page + // navigation to the same URL, and without dispatching the popstate + // event: https://bugzilla.mozilla.org/show_bug.cgi?id=1183881 + if (self.uid === 0) { + // Replace the previous state if it was not explicitly set. + var previousParams = self.previousHash && self.currentBookmark && self.previousHash !== self.currentBookmark ? { + hash: self.currentBookmark, + page: self.currentPage + } : { page: 1 }; + replacePreviousHistoryState(previousParams, function () { + updateHistoryWithCurrentHash(); + }); + } else { + updateHistoryWithCurrentHash(); + } + }, false); + function updateHistoryWithCurrentHash() { + self.previousHash = window.location.hash.slice(1); + self._pushToHistory({ hash: self.previousHash }, false, true); + self._updatePreviousBookmark(); + } + function replacePreviousHistoryState(params, callback) { + // To modify the previous history entry, the following happens: + // 1. history.back() + // 2. _pushToHistory, which calls history.replaceState( ... ) + // 3. history.forward() + // Because a navigation via the history API does not immediately update + // the history state, the popstate event is used for synchronization. + self.historyUnlocked = false; + // Suppress the hashchange event to avoid side effects caused by + // navigating back and forward. + self.allowHashChange = false; + window.addEventListener('popstate', rewriteHistoryAfterBack); + history.back(); + function rewriteHistoryAfterBack() { + window.removeEventListener('popstate', rewriteHistoryAfterBack); + window.addEventListener('popstate', rewriteHistoryAfterForward); + self._pushToHistory(params, false, true); + history.forward(); + } + function rewriteHistoryAfterForward() { + window.removeEventListener('popstate', rewriteHistoryAfterForward); + self.allowHashChange = true; + self.historyUnlocked = true; + callback(); + } + } + function pdfHistoryBeforeUnload() { + var previousParams = self._getPreviousParams(null, true); + if (previousParams) { + var replacePrevious = !self.current.dest && self.current.hash !== self.previousHash; + self._pushToHistory(previousParams, false, replacePrevious); + self._updatePreviousBookmark(); + } + // Remove the event listener when navigating away from the document, + // since 'beforeunload' prevents Firefox from caching the document. + window.removeEventListener('beforeunload', pdfHistoryBeforeUnload, false); + } + window.addEventListener('beforeunload', pdfHistoryBeforeUnload, false); + window.addEventListener('pageshow', function pdfHistoryPageShow(evt) { + // If the entire viewer (including the PDF file) is cached in + // the browser, we need to reattach the 'beforeunload' event listener + // since the 'DOMContentLoaded' event is not fired on 'pageshow'. + window.addEventListener('beforeunload', pdfHistoryBeforeUnload, false); + }, false); + self.eventBus.on('presentationmodechanged', function (e) { + self.isViewerInPresentationMode = e.active; + }); + }, + clearHistoryState: function pdfHistory_clearHistoryState() { + this._pushOrReplaceState(null, true); + }, + _isStateObjectDefined: function pdfHistory_isStateObjectDefined(state) { + return state && state.uid >= 0 && state.fingerprint && this.fingerprint === state.fingerprint && state.target && state.target.hash ? true : false; + }, + _pushOrReplaceState: function pdfHistory_pushOrReplaceState(stateObj, replace) { + if (replace) { + window.history.replaceState(stateObj, ''); + } else { + window.history.pushState(stateObj, ''); + } + }, + get isHashChangeUnlocked() { + if (!this.initialized) { + return true; + } + return this.allowHashChange; + }, + _updatePreviousBookmark: function pdfHistory_updatePreviousBookmark() { + if (this.updatePreviousBookmark && this.currentBookmark && this.currentPage) { + this.previousBookmark = this.currentBookmark; + this.previousPage = this.currentPage; + this.updatePreviousBookmark = false; + } + }, + updateCurrentBookmark: function pdfHistoryUpdateCurrentBookmark(bookmark, pageNum) { + if (this.initialized) { + this.currentBookmark = bookmark.substring(1); + this.currentPage = pageNum | 0; + this._updatePreviousBookmark(); + } + }, + updateNextHashParam: function pdfHistoryUpdateNextHashParam(param) { + if (this.initialized) { + this.nextHashParam = param; + } + }, + push: function pdfHistoryPush(params, isInitialBookmark) { + if (!(this.initialized && this.historyUnlocked)) { + return; + } + if (params.dest && !params.hash) { + params.hash = this.current.hash && this.current.dest && this.current.dest === params.dest ? this.current.hash : this.linkService.getDestinationHash(params.dest).split('#')[1]; + } + if (params.page) { + params.page |= 0; + } + if (isInitialBookmark) { + var target = window.history.state.target; + if (!target) { + // Invoked when the user specifies an initial bookmark, + // thus setting initialBookmark, when the document is loaded. + this._pushToHistory(params, false); + this.previousHash = window.location.hash.substring(1); + } + this.updatePreviousBookmark = this.nextHashParam ? false : true; + if (target) { + // If the current document is reloaded, + // avoid creating duplicate entries in the history. + this._updatePreviousBookmark(); + } + return; + } + if (this.nextHashParam) { + if (this.nextHashParam === params.hash) { + this.nextHashParam = null; + this.updatePreviousBookmark = true; + return; + } else { + this.nextHashParam = null; + } + } + if (params.hash) { + if (this.current.hash) { + if (this.current.hash !== params.hash) { + this._pushToHistory(params, true); + } else { + if (!this.current.page && params.page) { + this._pushToHistory(params, false, true); + } + this.updatePreviousBookmark = true; + } + } else { + this._pushToHistory(params, true); + } + } else if (this.current.page && params.page && this.current.page !== params.page) { + this._pushToHistory(params, true); + } + }, + _getPreviousParams: function pdfHistory_getPreviousParams(onlyCheckPage, beforeUnload) { + if (!(this.currentBookmark && this.currentPage)) { + return null; + } else if (this.updatePreviousBookmark) { + this.updatePreviousBookmark = false; + } + if (this.uid > 0 && !(this.previousBookmark && this.previousPage)) { + // Prevent the history from getting stuck in the current state, + // effectively preventing the user from going back/forward in + // the history. + // + // This happens if the current position in the document didn't change + // when the history was previously updated. The reasons for this are + // either: + // 1. The current zoom value is such that the document does not need to, + // or cannot, be scrolled to display the destination. + // 2. The previous destination is broken, and doesn't actally point to a + // position within the document. + // (This is either due to a bad PDF generator, or the user making a + // mistake when entering a destination in the hash parameters.) + return null; + } + if (!this.current.dest && !onlyCheckPage || beforeUnload) { + if (this.previousBookmark === this.currentBookmark) { + return null; + } + } else if (this.current.page || onlyCheckPage) { + if (this.previousPage === this.currentPage) { + return null; + } + } else { + return null; + } + var params = { + hash: this.currentBookmark, + page: this.currentPage + }; + if (this.isViewerInPresentationMode) { + params.hash = null; + } + return params; + }, + _stateObj: function pdfHistory_stateObj(params) { + return { + fingerprint: this.fingerprint, + uid: this.uid, + target: params + }; + }, + _pushToHistory: function pdfHistory_pushToHistory(params, addPrevious, overwrite) { + if (!this.initialized) { + return; + } + if (!params.hash && params.page) { + params.hash = 'page=' + params.page; + } + if (addPrevious && !overwrite) { + var previousParams = this._getPreviousParams(); + if (previousParams) { + var replacePrevious = !this.current.dest && this.current.hash !== this.previousHash; + this._pushToHistory(previousParams, false, replacePrevious); + } + } + this._pushOrReplaceState(this._stateObj(params), overwrite || this.uid === 0); + this.currentUid = this.uid++; + this.current = params; + this.updatePreviousBookmark = true; + }, + _goTo: function pdfHistory_goTo(state) { + if (!(this.initialized && this.historyUnlocked && this._isStateObjectDefined(state))) { + return; + } + if (!this.reInitialized && state.uid < this.currentUid) { + var previousParams = this._getPreviousParams(true); + if (previousParams) { + this._pushToHistory(this.current, false); + this._pushToHistory(previousParams, false); + this.currentUid = state.uid; + window.history.back(); + return; + } + } + this.historyUnlocked = false; + if (state.target.dest) { + this.linkService.navigateTo(state.target.dest); + } else { + this.linkService.setHash(state.target.hash); + } + this.currentUid = state.uid; + if (state.uid > this.uid) { + this.uid = state.uid; + } + this.current = state.target; + this.updatePreviousBookmark = true; + var currentHash = window.location.hash.substring(1); + if (this.previousHash !== currentHash) { + this.allowHashChange = false; + } + this.previousHash = currentHash; + this.historyUnlocked = true; + }, + back: function pdfHistoryBack() { + this.go(-1); + }, + forward: function pdfHistoryForward() { + this.go(1); + }, + go: function pdfHistoryGo(direction) { + if (this.initialized && this.historyUnlocked) { + var state = window.history.state; + if (direction === -1 && state && state.uid > 0) { + window.history.back(); + } else if (direction === 1 && state && state.uid < this.uid - 1) { + window.history.forward(); + } + } + } + }; + exports.PDFHistory = PDFHistory; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFLinkService = {}, root.pdfjsWebUIUtils, root.pdfjsWebDOMEvents); + }(this, function (exports, uiUtils, domEvents) { + var parseQueryString = uiUtils.parseQueryString; + var PageNumberRegExp = /^\d+$/; + function isPageNumber(str) { + return PageNumberRegExp.test(str); + } + /** + * @typedef {Object} PDFLinkServiceOptions + * @property {EventBus} eventBus - The application event bus. + */ + /** + * Performs navigation functions inside PDF, such as opening specified page, + * or destination. + * @class + * @implements {IPDFLinkService} + */ + var PDFLinkService = function PDFLinkServiceClosure() { + /** + * @constructs PDFLinkService + * @param {PDFLinkServiceOptions} options + */ + function PDFLinkService(options) { + options = options || {}; + this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); + this.baseUrl = null; + this.pdfDocument = null; + this.pdfViewer = null; + this.pdfHistory = null; + this._pagesRefCache = null; + } + PDFLinkService.prototype = { + setDocument: function PDFLinkService_setDocument(pdfDocument, baseUrl) { + this.baseUrl = baseUrl; + this.pdfDocument = pdfDocument; + this._pagesRefCache = Object.create(null); + }, + setViewer: function PDFLinkService_setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + }, + setHistory: function PDFLinkService_setHistory(pdfHistory) { + this.pdfHistory = pdfHistory; + }, + /** + * @returns {number} + */ + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + }, + /** + * @returns {number} + */ + get page() { + return this.pdfViewer.currentPageNumber; + }, + /** + * @param {number} value + */ + set page(value) { + this.pdfViewer.currentPageNumber = value; + }, + /** + * @param dest - The PDF destination object. + */ + navigateTo: function PDFLinkService_navigateTo(dest) { + var destString = ''; + var self = this; + var goToDestination = function (destRef) { + // dest array looks like that: <page-ref> </XYZ|/FitXXX> <args..> + var pageNumber; + if (destRef instanceof Object) { + pageNumber = self._cachedPageNumber(destRef); + } else if ((destRef | 0) === destRef) { + // Integer + pageNumber = destRef + 1; + } else { + console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid destination reference.'); + return; + } + if (pageNumber) { + if (pageNumber < 1 || pageNumber > self.pagesCount) { + console.error('PDFLinkService_navigateTo: "' + pageNumber + '" is a non-existent page number.'); + return; + } + self.pdfViewer.scrollPageIntoView({ + pageNumber: pageNumber, + destArray: dest + }); + if (self.pdfHistory) { + // Update the browsing history. + self.pdfHistory.push({ + dest: dest, + hash: destString, + page: pageNumber + }); + } + } else { + self.pdfDocument.getPageIndex(destRef).then(function (pageIndex) { + self.cachePageRef(pageIndex + 1, destRef); + goToDestination(destRef); + }).catch(function () { + console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid page reference.'); + return; + }); + } + }; + var destinationPromise; + if (typeof dest === 'string') { + destString = dest; + destinationPromise = this.pdfDocument.getDestination(dest); + } else { + destinationPromise = Promise.resolve(dest); + } + destinationPromise.then(function (destination) { + dest = destination; + if (!(destination instanceof Array)) { + console.error('PDFLinkService_navigateTo: "' + destination + '" is not a valid destination array.'); + return; + } + goToDestination(destination[0]); + }); + }, + /** + * @param dest - The PDF destination object. + * @returns {string} The hyperlink to the PDF object. + */ + getDestinationHash: function PDFLinkService_getDestinationHash(dest) { + if (typeof dest === 'string') { + // In practice, a named destination may contain only a number. + // If that happens, use the '#nameddest=' form to avoid the link + // redirecting to a page, instead of the correct destination. + return this.getAnchorUrl('#' + (isPageNumber(dest) ? 'nameddest=' : '') + escape(dest)); + } + if (dest instanceof Array) { + var str = JSON.stringify(dest); + return this.getAnchorUrl('#' + escape(str)); + } + return this.getAnchorUrl(''); + }, + /** + * Prefix the full url on anchor links to make sure that links are resolved + * relative to the current URL instead of the one defined in <base href>. + * @param {String} anchor The anchor hash, including the #. + * @returns {string} The hyperlink to the PDF object. + */ + getAnchorUrl: function PDFLinkService_getAnchorUrl(anchor) { + return (this.baseUrl || '') + anchor; + }, + /** + * @param {string} hash + */ + setHash: function PDFLinkService_setHash(hash) { + var pageNumber, dest; + if (hash.indexOf('=') >= 0) { + var params = parseQueryString(hash); + if ('search' in params) { + this.eventBus.dispatch('findfromurlhash', { + source: this, + query: params['search'].replace(/"/g, ''), + phraseSearch: params['phrase'] === 'true' + }); + } + // borrowing syntax from "Parameters for Opening PDF Files" + if ('nameddest' in params) { + if (this.pdfHistory) { + this.pdfHistory.updateNextHashParam(params.nameddest); + } + this.navigateTo(params.nameddest); + return; + } + if ('page' in params) { + pageNumber = params.page | 0 || 1; + } + if ('zoom' in params) { + // Build the destination array. + var zoomArgs = params.zoom.split(','); + // scale,left,top + var zoomArg = zoomArgs[0]; + var zoomArgNumber = parseFloat(zoomArg); + if (zoomArg.indexOf('Fit') === -1) { + // If the zoomArg is a number, it has to get divided by 100. If it's + // a string, it should stay as it is. + dest = [ + null, + { name: 'XYZ' }, + zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, + zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, + zoomArgNumber ? zoomArgNumber / 100 : zoomArg + ]; + } else { + if (zoomArg === 'Fit' || zoomArg === 'FitB') { + dest = [ + null, + { name: zoomArg } + ]; + } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || (zoomArg === 'FitV' || zoomArg === 'FitBV')) { + dest = [ + null, + { name: zoomArg }, + zoomArgs.length > 1 ? zoomArgs[1] | 0 : null + ]; + } else if (zoomArg === 'FitR') { + if (zoomArgs.length !== 5) { + console.error('PDFLinkService_setHash: ' + 'Not enough parameters for \'FitR\'.'); + } else { + dest = [ + null, + { name: zoomArg }, + zoomArgs[1] | 0, + zoomArgs[2] | 0, + zoomArgs[3] | 0, + zoomArgs[4] | 0 + ]; + } + } else { + console.error('PDFLinkService_setHash: \'' + zoomArg + '\' is not a valid zoom value.'); + } + } + } + if (dest) { + this.pdfViewer.scrollPageIntoView({ + pageNumber: pageNumber || this.page, + destArray: dest, + allowNegativeOffset: true + }); + } else if (pageNumber) { + this.page = pageNumber; + } + // simple page + if ('pagemode' in params) { + this.eventBus.dispatch('pagemode', { + source: this, + mode: params.pagemode + }); + } + } else { + dest = unescape(hash); + try { + dest = JSON.parse(dest); + if (!(dest instanceof Array)) { + // Avoid incorrectly rejecting a valid named destination, such as + // e.g. "4.3" or "true", because `JSON.parse` converted its type. + dest = dest.toString(); + } + } catch (ex) { + } + if (typeof dest === 'string' || isValidExplicitDestination(dest)) { + if (this.pdfHistory) { + this.pdfHistory.updateNextHashParam(dest); + } + this.navigateTo(dest); + return; + } + console.error('PDFLinkService_setHash: \'' + unescape(hash) + '\' is not a valid destination.'); + } + }, + /** + * @param {string} action + */ + executeNamedAction: function PDFLinkService_executeNamedAction(action) { + // See PDF reference, table 8.45 - Named action + switch (action) { + case 'GoBack': + if (this.pdfHistory) { + this.pdfHistory.back(); + } + break; + case 'GoForward': + if (this.pdfHistory) { + this.pdfHistory.forward(); + } + break; + case 'NextPage': + if (this.page < this.pagesCount) { + this.page++; + } + break; + case 'PrevPage': + if (this.page > 1) { + this.page--; + } + break; + case 'LastPage': + this.page = this.pagesCount; + break; + case 'FirstPage': + this.page = 1; + break; + default: + break; + } + // No action according to spec + this.eventBus.dispatch('namedaction', { + source: this, + action: action + }); + }, + /** + * @param {number} pageNum - page number. + * @param {Object} pageRef - reference to the page. + */ + cachePageRef: function PDFLinkService_cachePageRef(pageNum, pageRef) { + var refStr = pageRef.num + ' ' + pageRef.gen + ' R'; + this._pagesRefCache[refStr] = pageNum; + }, + _cachedPageNumber: function PDFLinkService_cachedPageNumber(pageRef) { + var refStr = pageRef.num + ' ' + pageRef.gen + ' R'; + return this._pagesRefCache && this._pagesRefCache[refStr] || null; + } + }; + function isValidExplicitDestination(dest) { + if (!(dest instanceof Array)) { + return false; + } + var destLength = dest.length, allowNull = true; + if (destLength < 2) { + return false; + } + var page = dest[0]; + if (!(typeof page === 'object' && typeof page.num === 'number' && (page.num | 0) === page.num && typeof page.gen === 'number' && (page.gen | 0) === page.gen) && !(typeof page === 'number' && (page | 0) === page && page >= 0)) { + return false; + } + var zoom = dest[1]; + if (!(typeof zoom === 'object' && typeof zoom.name === 'string')) { + return false; + } + switch (zoom.name) { + case 'XYZ': + if (destLength !== 5) { + return false; + } + break; + case 'Fit': + case 'FitB': + return destLength === 2; + case 'FitH': + case 'FitBH': + case 'FitV': + case 'FitBV': + if (destLength !== 3) { + return false; + } + break; + case 'FitR': + if (destLength !== 6) { + return false; + } + allowNull = false; + break; + default: + return false; + } + for (var i = 2; i < destLength; i++) { + var param = dest[i]; + if (!(typeof param === 'number' || allowNull && param === null)) { + return false; + } + } + return true; + } + return PDFLinkService; + }(); + var SimpleLinkService = function SimpleLinkServiceClosure() { + function SimpleLinkService() { + } + SimpleLinkService.prototype = { + /** + * @returns {number} + */ + get page() { + return 0; + }, + /** + * @param {number} value + */ + set page(value) { + }, + /** + * @param dest - The PDF destination object. + */ + navigateTo: function (dest) { + }, + /** + * @param dest - The PDF destination object. + * @returns {string} The hyperlink to the PDF object. + */ + getDestinationHash: function (dest) { + return '#'; + }, + /** + * @param hash - The PDF parameters/hash. + * @returns {string} The hyperlink to the PDF object. + */ + getAnchorUrl: function (hash) { + return '#'; + }, + /** + * @param {string} hash + */ + setHash: function (hash) { + }, + /** + * @param {string} action + */ + executeNamedAction: function (action) { + }, + /** + * @param {number} pageNum - page number. + * @param {Object} pageRef - reference to the page. + */ + cachePageRef: function (pageNum, pageRef) { + } + }; + return SimpleLinkService; + }(); + exports.PDFLinkService = PDFLinkService; + exports.SimpleLinkService = SimpleLinkService; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFPageView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS); + }(this, function (exports, uiUtils, pdfRenderingQueue, domEvents, pdfjsLib) { + var CSS_UNITS = uiUtils.CSS_UNITS; + var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE; + var getOutputScale = uiUtils.getOutputScale; + var approximateFraction = uiUtils.approximateFraction; + var roundToDivide = uiUtils.roundToDivide; + var RenderingStates = pdfRenderingQueue.RenderingStates; + var TEXT_LAYER_RENDER_DELAY = 200; + // ms + /** + * @typedef {Object} PDFPageViewOptions + * @property {HTMLDivElement} container - The viewer element. + * @property {EventBus} eventBus - The application event bus. + * @property {number} id - The page unique ID (normally its number). + * @property {number} scale - The page scale display. + * @property {PageViewport} defaultViewport - The page viewport. + * @property {PDFRenderingQueue} renderingQueue - The rendering queue object. + * @property {IPDFTextLayerFactory} textLayerFactory + * @property {IPDFAnnotationLayerFactory} annotationLayerFactory + * @property {boolean} enhanceTextSelection - Turns on the text selection + * enhancement. The default is `false`. + * @property {boolean} renderInteractiveForms - Turns on rendering of + * interactive form elements. The default is `false`. + */ + /** + * @class + * @implements {IRenderableView} + */ + var PDFPageView = function PDFPageViewClosure() { + /** + * @constructs PDFPageView + * @param {PDFPageViewOptions} options + */ + function PDFPageView(options) { + var container = options.container; + var id = options.id; + var scale = options.scale; + var defaultViewport = options.defaultViewport; + var renderingQueue = options.renderingQueue; + var textLayerFactory = options.textLayerFactory; + var annotationLayerFactory = options.annotationLayerFactory; + var enhanceTextSelection = options.enhanceTextSelection || false; + var renderInteractiveForms = options.renderInteractiveForms || false; + this.id = id; + this.renderingId = 'page' + id; + this.pageLabel = null; + this.rotation = 0; + this.scale = scale || DEFAULT_SCALE; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this.hasRestrictedScaling = false; + this.enhanceTextSelection = enhanceTextSelection; + this.renderInteractiveForms = renderInteractiveForms; + this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); + this.renderingQueue = renderingQueue; + this.textLayerFactory = textLayerFactory; + this.annotationLayerFactory = annotationLayerFactory; + this.renderTask = null; + this.renderingState = RenderingStates.INITIAL; + this.resume = null; + this.onBeforeDraw = null; + this.onAfterDraw = null; + this.textLayer = null; + this.zoomLayer = null; + this.annotationLayer = null; + var div = document.createElement('div'); + div.id = 'pageContainer' + this.id; + div.className = 'page'; + div.style.width = Math.floor(this.viewport.width) + 'px'; + div.style.height = Math.floor(this.viewport.height) + 'px'; + div.setAttribute('data-page-number', this.id); + this.div = div; + container.appendChild(div); + } + PDFPageView.prototype = { + setPdfPage: function PDFPageView_setPdfPage(pdfPage) { + this.pdfPage = pdfPage; + this.pdfPageRotate = pdfPage.rotate; + var totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = pdfPage.getViewport(this.scale * CSS_UNITS, totalRotation); + this.stats = pdfPage.stats; + this.reset(); + }, + destroy: function PDFPageView_destroy() { + this.zoomLayer = null; + this.reset(); + if (this.pdfPage) { + this.pdfPage.cleanup(); + } + }, + reset: function PDFPageView_reset(keepZoomLayer, keepAnnotations) { + this.cancelRendering(); + var div = this.div; + div.style.width = Math.floor(this.viewport.width) + 'px'; + div.style.height = Math.floor(this.viewport.height) + 'px'; + var childNodes = div.childNodes; + var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null; + var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null; + for (var i = childNodes.length - 1; i >= 0; i--) { + var node = childNodes[i]; + if (currentZoomLayerNode === node || currentAnnotationNode === node) { + continue; + } + div.removeChild(node); + } + div.removeAttribute('data-loaded'); + if (currentAnnotationNode) { + // Hide annotationLayer until all elements are resized + // so they are not displayed on the already-resized page + this.annotationLayer.hide(); + } else { + this.annotationLayer = null; + } + if (this.canvas && !currentZoomLayerNode) { + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + this.canvas.width = 0; + this.canvas.height = 0; + delete this.canvas; + } + this.loadingIconDiv = document.createElement('div'); + this.loadingIconDiv.className = 'loadingIcon'; + div.appendChild(this.loadingIconDiv); + }, + update: function PDFPageView_update(scale, rotation) { + this.scale = scale || this.scale; + if (typeof rotation !== 'undefined') { + this.rotation = rotation; + } + var totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: this.scale * CSS_UNITS, + rotation: totalRotation + }); + var isScalingRestricted = false; + if (this.canvas && pdfjsLib.PDFJS.maxCanvasPixels > 0) { + var outputScale = this.outputScale; + if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > pdfjsLib.PDFJS.maxCanvasPixels) { + isScalingRestricted = true; + } + } + if (this.canvas) { + if (pdfjsLib.PDFJS.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) { + this.cssTransform(this.canvas, true); + this.eventBus.dispatch('pagerendered', { + source: this, + pageNumber: this.id, + cssTransform: true + }); + return; + } + if (!this.zoomLayer) { + this.zoomLayer = this.canvas.parentNode; + this.zoomLayer.style.position = 'absolute'; + } + } + if (this.zoomLayer) { + this.cssTransform(this.zoomLayer.firstChild); + } + this.reset(/* keepZoomLayer = */ + true, /* keepAnnotations = */ + true); + }, + cancelRendering: function PDFPageView_cancelRendering() { + if (this.renderTask) { + this.renderTask.cancel(); + this.renderTask = null; + } + this.renderingState = RenderingStates.INITIAL; + this.resume = null; + if (this.textLayer) { + this.textLayer.cancel(); + this.textLayer = null; + } + }, + /** + * Called when moved in the parent's container. + */ + updatePosition: function PDFPageView_updatePosition() { + if (this.textLayer) { + this.textLayer.render(TEXT_LAYER_RENDER_DELAY); + } + }, + cssTransform: function PDFPageView_transform(canvas, redrawAnnotations) { + var CustomStyle = pdfjsLib.CustomStyle; + // Scale canvas, canvas wrapper, and page container. + var width = this.viewport.width; + var height = this.viewport.height; + var div = this.div; + canvas.style.width = canvas.parentNode.style.width = div.style.width = Math.floor(width) + 'px'; + canvas.style.height = canvas.parentNode.style.height = div.style.height = Math.floor(height) + 'px'; + // The canvas may have been originally rotated, rotate relative to that. + var relativeRotation = this.viewport.rotation - canvas._viewport.rotation; + var absRotation = Math.abs(relativeRotation); + var scaleX = 1, scaleY = 1; + if (absRotation === 90 || absRotation === 270) { + // Scale x and y because of the rotation. + scaleX = height / width; + scaleY = width / height; + } + var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')'; + CustomStyle.setProp('transform', canvas, cssTransform); + if (this.textLayer) { + // Rotating the text layer is more complicated since the divs inside the + // the text layer are rotated. + // TODO: This could probably be simplified by drawing the text layer in + // one orientation then rotating overall. + var textLayerViewport = this.textLayer.viewport; + var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation; + var textAbsRotation = Math.abs(textRelativeRotation); + var scale = width / textLayerViewport.width; + if (textAbsRotation === 90 || textAbsRotation === 270) { + scale = width / textLayerViewport.height; + } + var textLayerDiv = this.textLayer.textLayerDiv; + var transX, transY; + switch (textAbsRotation) { + case 0: + transX = transY = 0; + break; + case 90: + transX = 0; + transY = '-' + textLayerDiv.style.height; + break; + case 180: + transX = '-' + textLayerDiv.style.width; + transY = '-' + textLayerDiv.style.height; + break; + case 270: + transX = '-' + textLayerDiv.style.width; + transY = 0; + break; + default: + console.error('Bad rotation value.'); + break; + } + CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')'); + CustomStyle.setProp('transformOrigin', textLayerDiv, '0% 0%'); + } + if (redrawAnnotations && this.annotationLayer) { + this.annotationLayer.render(this.viewport, 'display'); + } + }, + get width() { + return this.viewport.width; + }, + get height() { + return this.viewport.height; + }, + getPagePoint: function PDFPageView_getPagePoint(x, y) { + return this.viewport.convertToPdfPoint(x, y); + }, + draw: function PDFPageView_draw() { + if (this.renderingState !== RenderingStates.INITIAL) { + console.error('Must be in new state before drawing'); + this.reset(); + } + // Ensure that we reset all state to prevent issues. + this.renderingState = RenderingStates.RUNNING; + var pdfPage = this.pdfPage; + var viewport = this.viewport; + var div = this.div; + // Wrap the canvas so if it has a css transform for highdpi the overflow + // will be hidden in FF. + var canvasWrapper = document.createElement('div'); + canvasWrapper.style.width = div.style.width; + canvasWrapper.style.height = div.style.height; + canvasWrapper.classList.add('canvasWrapper'); + var canvas = document.createElement('canvas'); + canvas.id = 'page' + this.id; + // Keep the canvas hidden until the first draw callback, or until drawing + // is complete when `!this.renderingQueue`, to prevent black flickering. + canvas.setAttribute('hidden', 'hidden'); + var isCanvasHidden = true; + canvasWrapper.appendChild(canvas); + if (this.annotationLayer && this.annotationLayer.div) { + // annotationLayer needs to stay on top + div.insertBefore(canvasWrapper, this.annotationLayer.div); + } else { + div.appendChild(canvasWrapper); + } + this.canvas = canvas; + canvas.mozOpaque = true; + var ctx = canvas.getContext('2d', { alpha: false }); + var outputScale = getOutputScale(ctx); + this.outputScale = outputScale; + if (pdfjsLib.PDFJS.useOnlyCssZoom) { + var actualSizeViewport = viewport.clone({ scale: CSS_UNITS }); + // Use a scale that will make the canvas be the original intended size + // of the page. + outputScale.sx *= actualSizeViewport.width / viewport.width; + outputScale.sy *= actualSizeViewport.height / viewport.height; + outputScale.scaled = true; + } + if (pdfjsLib.PDFJS.maxCanvasPixels > 0) { + var pixelsInViewport = viewport.width * viewport.height; + var maxScale = Math.sqrt(pdfjsLib.PDFJS.maxCanvasPixels / pixelsInViewport); + if (outputScale.sx > maxScale || outputScale.sy > maxScale) { + outputScale.sx = maxScale; + outputScale.sy = maxScale; + outputScale.scaled = true; + this.hasRestrictedScaling = true; + } else { + this.hasRestrictedScaling = false; + } + } + var sfx = approximateFraction(outputScale.sx); + var sfy = approximateFraction(outputScale.sy); + canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]); + canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]); + canvas.style.width = roundToDivide(viewport.width, sfx[1]) + 'px'; + canvas.style.height = roundToDivide(viewport.height, sfy[1]) + 'px'; + // Add the viewport so it's known what it was originally drawn with. + canvas._viewport = viewport; + var textLayerDiv = null; + var textLayer = null; + if (this.textLayerFactory) { + textLayerDiv = document.createElement('div'); + textLayerDiv.className = 'textLayer'; + textLayerDiv.style.width = canvasWrapper.style.width; + textLayerDiv.style.height = canvasWrapper.style.height; + if (this.annotationLayer && this.annotationLayer.div) { + // annotationLayer needs to stay on top + div.insertBefore(textLayerDiv, this.annotationLayer.div); + } else { + div.appendChild(textLayerDiv); + } + textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.enhanceTextSelection); + } + this.textLayer = textLayer; + var resolveRenderPromise, rejectRenderPromise; + var promise = new Promise(function (resolve, reject) { + resolveRenderPromise = resolve; + rejectRenderPromise = reject; + }); + // Rendering area + var self = this; + function pageViewDrawCallback(error) { + // The renderTask may have been replaced by a new one, so only remove + // the reference to the renderTask if it matches the one that is + // triggering this callback. + if (renderTask === self.renderTask) { + self.renderTask = null; + } + if (error === 'cancelled') { + rejectRenderPromise(error); + return; + } + self.renderingState = RenderingStates.FINISHED; + if (isCanvasHidden) { + self.canvas.removeAttribute('hidden'); + isCanvasHidden = false; + } + if (self.loadingIconDiv) { + div.removeChild(self.loadingIconDiv); + delete self.loadingIconDiv; + } + if (self.zoomLayer) { + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + var zoomLayerCanvas = self.zoomLayer.firstChild; + zoomLayerCanvas.width = 0; + zoomLayerCanvas.height = 0; + if (div.contains(self.zoomLayer)) { + // Prevent "Node was not found" errors if the `zoomLayer` was + // already removed. This may occur intermittently if the scale + // changes many times in very quick succession. + div.removeChild(self.zoomLayer); + } + self.zoomLayer = null; + } + self.error = error; + self.stats = pdfPage.stats; + if (self.onAfterDraw) { + self.onAfterDraw(); + } + self.eventBus.dispatch('pagerendered', { + source: self, + pageNumber: self.id, + cssTransform: false + }); + if (!error) { + resolveRenderPromise(undefined); + } else { + rejectRenderPromise(error); + } + } + var renderContinueCallback = null; + if (this.renderingQueue) { + renderContinueCallback = function renderContinueCallback(cont) { + if (!self.renderingQueue.isHighestPriority(self)) { + self.renderingState = RenderingStates.PAUSED; + self.resume = function resumeCallback() { + self.renderingState = RenderingStates.RUNNING; + cont(); + }; + return; + } + if (isCanvasHidden) { + self.canvas.removeAttribute('hidden'); + isCanvasHidden = false; + } + cont(); + }; + } + var transform = !outputScale.scaled ? null : [ + outputScale.sx, + 0, + 0, + outputScale.sy, + 0, + 0 + ]; + var renderContext = { + canvasContext: ctx, + transform: transform, + viewport: this.viewport, + renderInteractiveForms: this.renderInteractiveForms + }; + // intent: 'default', // === 'display' + var renderTask = this.renderTask = this.pdfPage.render(renderContext); + renderTask.onContinue = renderContinueCallback; + this.renderTask.promise.then(function pdfPageRenderCallback() { + pageViewDrawCallback(null); + if (textLayer) { + self.pdfPage.getTextContent({ normalizeWhitespace: true }).then(function textContentResolved(textContent) { + textLayer.setTextContent(textContent); + textLayer.render(TEXT_LAYER_RENDER_DELAY); + }); + } + }, function pdfPageRenderError(error) { + pageViewDrawCallback(error); + }); + if (this.annotationLayerFactory) { + if (!this.annotationLayer) { + this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, this.pdfPage, this.renderInteractiveForms); + } + this.annotationLayer.render(this.viewport, 'display'); + } + div.setAttribute('data-loaded', true); + if (self.onBeforeDraw) { + self.onBeforeDraw(); + } + return promise; + }, + /** + * @param {string|null} label + */ + setPageLabel: function PDFView_setPageLabel(label) { + this.pageLabel = typeof label === 'string' ? label : null; + if (this.pageLabel !== null) { + this.div.setAttribute('data-page-label', this.pageLabel); + } else { + this.div.removeAttribute('data-page-label'); + } + } + }; + return PDFPageView; + }(); + exports.PDFPageView = PDFPageView; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFThumbnailViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFThumbnailView); + }(this, function (exports, uiUtils, pdfThumbnailView) { + var watchScroll = uiUtils.watchScroll; + var getVisibleElements = uiUtils.getVisibleElements; + var scrollIntoView = uiUtils.scrollIntoView; + var PDFThumbnailView = pdfThumbnailView.PDFThumbnailView; + var THUMBNAIL_SCROLL_MARGIN = -19; + /** + * @typedef {Object} PDFThumbnailViewerOptions + * @property {HTMLDivElement} container - The container for the thumbnail + * elements. + * @property {IPDFLinkService} linkService - The navigation/linking service. + * @property {PDFRenderingQueue} renderingQueue - The rendering queue object. + */ + /** + * Simple viewer control to display thumbnails for pages. + * @class + * @implements {IRenderableView} + */ + var PDFThumbnailViewer = function PDFThumbnailViewerClosure() { + /** + * @constructs PDFThumbnailViewer + * @param {PDFThumbnailViewerOptions} options + */ + function PDFThumbnailViewer(options) { + this.container = options.container; + this.renderingQueue = options.renderingQueue; + this.linkService = options.linkService; + this.scroll = watchScroll(this.container, this._scrollUpdated.bind(this)); + this._resetView(); + } + PDFThumbnailViewer.prototype = { + /** + * @private + */ + _scrollUpdated: function PDFThumbnailViewer_scrollUpdated() { + this.renderingQueue.renderHighestPriority(); + }, + getThumbnail: function PDFThumbnailViewer_getThumbnail(index) { + return this.thumbnails[index]; + }, + /** + * @private + */ + _getVisibleThumbs: function PDFThumbnailViewer_getVisibleThumbs() { + return getVisibleElements(this.container, this.thumbnails); + }, + scrollThumbnailIntoView: function PDFThumbnailViewer_scrollThumbnailIntoView(page) { + var selected = document.querySelector('.thumbnail.selected'); + if (selected) { + selected.classList.remove('selected'); + } + var thumbnail = document.getElementById('thumbnailContainer' + page); + if (thumbnail) { + thumbnail.classList.add('selected'); + } + var visibleThumbs = this._getVisibleThumbs(); + var numVisibleThumbs = visibleThumbs.views.length; + // If the thumbnail isn't currently visible, scroll it into view. + if (numVisibleThumbs > 0) { + var first = visibleThumbs.first.id; + // Account for only one thumbnail being visible. + var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first; + if (page <= first || page >= last) { + scrollIntoView(thumbnail, { top: THUMBNAIL_SCROLL_MARGIN }); + } + } + }, + get pagesRotation() { + return this._pagesRotation; + }, + set pagesRotation(rotation) { + this._pagesRotation = rotation; + for (var i = 0, l = this.thumbnails.length; i < l; i++) { + var thumb = this.thumbnails[i]; + thumb.update(rotation); + } + }, + cleanup: function PDFThumbnailViewer_cleanup() { + var tempCanvas = PDFThumbnailView.tempImageCache; + if (tempCanvas) { + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + tempCanvas.width = 0; + tempCanvas.height = 0; + } + PDFThumbnailView.tempImageCache = null; + }, + /** + * @private + */ + _resetView: function PDFThumbnailViewer_resetView() { + this.thumbnails = []; + this._pageLabels = null; + this._pagesRotation = 0; + this._pagesRequests = []; + // Remove the thumbnails from the DOM. + this.container.textContent = ''; + }, + setDocument: function PDFThumbnailViewer_setDocument(pdfDocument) { + if (this.pdfDocument) { + this._cancelRendering(); + this._resetView(); + } + this.pdfDocument = pdfDocument; + if (!pdfDocument) { + return Promise.resolve(); + } + return pdfDocument.getPage(1).then(function (firstPage) { + var pagesCount = pdfDocument.numPages; + var viewport = firstPage.getViewport(1.0); + for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { + var thumbnail = new PDFThumbnailView({ + container: this.container, + id: pageNum, + defaultViewport: viewport.clone(), + linkService: this.linkService, + renderingQueue: this.renderingQueue, + disableCanvasToImageConversion: false + }); + this.thumbnails.push(thumbnail); + } + }.bind(this)); + }, + /** + * @private + */ + _cancelRendering: function PDFThumbnailViewer_cancelRendering() { + for (var i = 0, ii = this.thumbnails.length; i < ii; i++) { + if (this.thumbnails[i]) { + this.thumbnails[i].cancelRendering(); + } + } + }, + /** + * @param {Array|null} labels + */ + setPageLabels: function PDFThumbnailViewer_setPageLabels(labels) { + if (!this.pdfDocument) { + return; + } + if (!labels) { + this._pageLabels = null; + } else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) { + this._pageLabels = null; + console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.'); + } else { + this._pageLabels = labels; + } + // Update all the `PDFThumbnailView` instances. + for (var i = 0, ii = this.thumbnails.length; i < ii; i++) { + var thumbnailView = this.thumbnails[i]; + var label = this._pageLabels && this._pageLabels[i]; + thumbnailView.setPageLabel(label); + } + }, + /** + * @param {PDFThumbnailView} thumbView + * @returns {PDFPage} + * @private + */ + _ensurePdfPageLoaded: function PDFThumbnailViewer_ensurePdfPageLoaded(thumbView) { + if (thumbView.pdfPage) { + return Promise.resolve(thumbView.pdfPage); + } + var pageNumber = thumbView.id; + if (this._pagesRequests[pageNumber]) { + return this._pagesRequests[pageNumber]; + } + var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) { + thumbView.setPdfPage(pdfPage); + this._pagesRequests[pageNumber] = null; + return pdfPage; + }.bind(this)); + this._pagesRequests[pageNumber] = promise; + return promise; + }, + forceRendering: function () { + var visibleThumbs = this._getVisibleThumbs(); + var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this.thumbnails, this.scroll.down); + if (thumbView) { + this._ensurePdfPageLoaded(thumbView).then(function () { + this.renderingQueue.renderView(thumbView); + }.bind(this)); + return true; + } + return false; + } + }; + return PDFThumbnailViewer; + }(); + exports.PDFThumbnailViewer = PDFThumbnailViewer; + })); + (function (root, factory) { + factory(root.pdfjsWebTextLayerBuilder = {}, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS); + }(this, function (exports, domEvents, pdfjsLib) { + var EXPAND_DIVS_TIMEOUT = 300; + // ms + /** + * @typedef {Object} TextLayerBuilderOptions + * @property {HTMLDivElement} textLayerDiv - The text layer container. + * @property {EventBus} eventBus - The application event bus. + * @property {number} pageIndex - The page index. + * @property {PageViewport} viewport - The viewport of the text layer. + * @property {PDFFindController} findController + * @property {boolean} enhanceTextSelection - Option to turn on improved + * text selection. + */ + /** + * TextLayerBuilder provides text-selection functionality for the PDF. + * It does this by creating overlay divs over the PDF text. These divs + * contain text that matches the PDF text they are overlaying. This object + * also provides a way to highlight text that is being searched for. + * @class + */ + var TextLayerBuilder = function TextLayerBuilderClosure() { + function TextLayerBuilder(options) { + this.textLayerDiv = options.textLayerDiv; + this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); + this.textContent = null; + this.renderingDone = false; + this.pageIdx = options.pageIndex; + this.pageNumber = this.pageIdx + 1; + this.matches = []; + this.viewport = options.viewport; + this.textDivs = []; + this.findController = options.findController || null; + this.textLayerRenderTask = null; + this.enhanceTextSelection = options.enhanceTextSelection; + this._bindMouse(); + } + TextLayerBuilder.prototype = { + /** + * @private + */ + _finishRendering: function TextLayerBuilder_finishRendering() { + this.renderingDone = true; + if (!this.enhanceTextSelection) { + var endOfContent = document.createElement('div'); + endOfContent.className = 'endOfContent'; + this.textLayerDiv.appendChild(endOfContent); + } + this.eventBus.dispatch('textlayerrendered', { + source: this, + pageNumber: this.pageNumber, + numTextDivs: this.textDivs.length + }); + }, + /** + * Renders the text layer. + * @param {number} timeout (optional) if specified, the rendering waits + * for specified amount of ms. + */ + render: function TextLayerBuilder_render(timeout) { + if (!this.textContent || this.renderingDone) { + return; + } + this.cancel(); + this.textDivs = []; + var textLayerFrag = document.createDocumentFragment(); + this.textLayerRenderTask = pdfjsLib.renderTextLayer({ + textContent: this.textContent, + container: textLayerFrag, + viewport: this.viewport, + textDivs: this.textDivs, + timeout: timeout, + enhanceTextSelection: this.enhanceTextSelection + }); + this.textLayerRenderTask.promise.then(function () { + this.textLayerDiv.appendChild(textLayerFrag); + this._finishRendering(); + this.updateMatches(); + }.bind(this), function (reason) { + }); + }, + /** + * Cancels rendering of the text layer. + */ + cancel: function TextLayerBuilder_cancel() { + if (this.textLayerRenderTask) { + this.textLayerRenderTask.cancel(); + this.textLayerRenderTask = null; + } + }, + setTextContent: function TextLayerBuilder_setTextContent(textContent) { + this.cancel(); + this.textContent = textContent; + }, + convertMatches: function TextLayerBuilder_convertMatches(matches, matchesLength) { + var i = 0; + var iIndex = 0; + var bidiTexts = this.textContent.items; + var end = bidiTexts.length - 1; + var queryLen = this.findController === null ? 0 : this.findController.state.query.length; + var ret = []; + if (!matches) { + return ret; + } + for (var m = 0, len = matches.length; m < len; m++) { + // Calculate the start position. + var matchIdx = matches[m]; + // Loop over the divIdxs. + while (i !== end && matchIdx >= iIndex + bidiTexts[i].str.length) { + iIndex += bidiTexts[i].str.length; + i++; + } + if (i === bidiTexts.length) { + console.error('Could not find a matching mapping'); + } + var match = { + begin: { + divIdx: i, + offset: matchIdx - iIndex + } + }; + // Calculate the end position. + if (matchesLength) { + // multiterm search + matchIdx += matchesLength[m]; + } else { + // phrase search + matchIdx += queryLen; + } + // Somewhat the same array as above, but use > instead of >= to get + // the end position right. + while (i !== end && matchIdx > iIndex + bidiTexts[i].str.length) { + iIndex += bidiTexts[i].str.length; + i++; + } + match.end = { + divIdx: i, + offset: matchIdx - iIndex + }; + ret.push(match); + } + return ret; + }, + renderMatches: function TextLayerBuilder_renderMatches(matches) { + // Early exit if there is nothing to render. + if (matches.length === 0) { + return; + } + var bidiTexts = this.textContent.items; + var textDivs = this.textDivs; + var prevEnd = null; + var pageIdx = this.pageIdx; + var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx; + var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx; + var highlightAll = this.findController === null ? false : this.findController.state.highlightAll; + var infinity = { + divIdx: -1, + offset: undefined + }; + function beginText(begin, className) { + var divIdx = begin.divIdx; + textDivs[divIdx].textContent = ''; + appendTextToDiv(divIdx, 0, begin.offset, className); + } + function appendTextToDiv(divIdx, fromOffset, toOffset, className) { + var div = textDivs[divIdx]; + var content = bidiTexts[divIdx].str.substring(fromOffset, toOffset); + var node = document.createTextNode(content); + if (className) { + var span = document.createElement('span'); + span.className = className; + span.appendChild(node); + div.appendChild(span); + return; + } + div.appendChild(node); + } + var i0 = selectedMatchIdx, i1 = i0 + 1; + if (highlightAll) { + i0 = 0; + i1 = matches.length; + } else if (!isSelectedPage) { + // Not highlighting all and this isn't the selected page, so do nothing. + return; + } + for (var i = i0; i < i1; i++) { + var match = matches[i]; + var begin = match.begin; + var end = match.end; + var isSelected = isSelectedPage && i === selectedMatchIdx; + var highlightSuffix = isSelected ? ' selected' : ''; + if (this.findController) { + this.findController.updateMatchPosition(pageIdx, i, textDivs, begin.divIdx); + } + // Match inside new div. + if (!prevEnd || begin.divIdx !== prevEnd.divIdx) { + // If there was a previous div, then add the text at the end. + if (prevEnd !== null) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + // Clear the divs and set the content until the starting point. + beginText(begin); + } else { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset); + } + if (begin.divIdx === end.divIdx) { + appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix); + } else { + appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix); + for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) { + textDivs[n0].className = 'highlight middle' + highlightSuffix; + } + beginText(end, 'highlight end' + highlightSuffix); + } + prevEnd = end; + } + if (prevEnd) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + }, + updateMatches: function TextLayerBuilder_updateMatches() { + // Only show matches when all rendering is done. + if (!this.renderingDone) { + return; + } + // Clear all matches. + var matches = this.matches; + var textDivs = this.textDivs; + var bidiTexts = this.textContent.items; + var clearedUntilDivIdx = -1; + // Clear all current matches. + for (var i = 0, len = matches.length; i < len; i++) { + var match = matches[i]; + var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx); + for (var n = begin, end = match.end.divIdx; n <= end; n++) { + var div = textDivs[n]; + div.textContent = bidiTexts[n].str; + div.className = ''; + } + clearedUntilDivIdx = match.end.divIdx + 1; + } + if (this.findController === null || !this.findController.active) { + return; + } + // Convert the matches on the page controller into the match format + // used for the textLayer. + var pageMatches, pageMatchesLength; + if (this.findController !== null) { + pageMatches = this.findController.pageMatches[this.pageIdx] || null; + pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null; + } + this.matches = this.convertMatches(pageMatches, pageMatchesLength); + this.renderMatches(this.matches); + }, + /** + * Fixes text selection: adds additional div where mouse was clicked. + * This reduces flickering of the content if mouse slowly dragged down/up. + * @private + */ + _bindMouse: function TextLayerBuilder_bindMouse() { + var div = this.textLayerDiv; + var self = this; + var expandDivsTimer = null; + div.addEventListener('mousedown', function (e) { + if (self.enhanceTextSelection && self.textLayerRenderTask) { + self.textLayerRenderTask.expandTextDivs(true); + return; + } + var end = div.querySelector('.endOfContent'); + if (!end) { + return; + } + end.classList.add('active'); + }); + div.addEventListener('mouseup', function (e) { + if (self.enhanceTextSelection && self.textLayerRenderTask) { + self.textLayerRenderTask.expandTextDivs(false); + return; + } + var end = div.querySelector('.endOfContent'); + if (!end) { + return; + } + end.classList.remove('active'); + }); + } + }; + return TextLayerBuilder; + }(); + /** + * @constructor + * @implements IPDFTextLayerFactory + */ + function DefaultTextLayerFactory() { + } + DefaultTextLayerFactory.prototype = { + /** + * @param {HTMLDivElement} textLayerDiv + * @param {number} pageIndex + * @param {PageViewport} viewport + * @param {boolean} enhanceTextSelection + * @returns {TextLayerBuilder} + */ + createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) { + return new TextLayerBuilder({ + textLayerDiv: textLayerDiv, + pageIndex: pageIndex, + viewport: viewport, + enhanceTextSelection: enhanceTextSelection + }); + } + }; + exports.TextLayerBuilder = TextLayerBuilder; + exports.DefaultTextLayerFactory = DefaultTextLayerFactory; + })); + (function (root, factory) { + factory(root.pdfjsWebAnnotationLayerBuilder = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFJS); + }(this, function (exports, uiUtils, pdfLinkService, pdfjsLib) { + var mozL10n = uiUtils.mozL10n; + var SimpleLinkService = pdfLinkService.SimpleLinkService; + /** + * @typedef {Object} AnnotationLayerBuilderOptions + * @property {HTMLDivElement} pageDiv + * @property {PDFPage} pdfPage + * @property {boolean} renderInteractiveForms + * @property {IPDFLinkService} linkService + * @property {DownloadManager} downloadManager + */ + /** + * @class + */ + var AnnotationLayerBuilder = function AnnotationLayerBuilderClosure() { + /** + * @param {AnnotationLayerBuilderOptions} options + * @constructs AnnotationLayerBuilder + */ + function AnnotationLayerBuilder(options) { + this.pageDiv = options.pageDiv; + this.pdfPage = options.pdfPage; + this.renderInteractiveForms = options.renderInteractiveForms; + this.linkService = options.linkService; + this.downloadManager = options.downloadManager; + this.div = null; + } + AnnotationLayerBuilder.prototype = /** @lends AnnotationLayerBuilder.prototype */ + { + /** + * @param {PageViewport} viewport + * @param {string} intent (default value is 'display') + */ + render: function AnnotationLayerBuilder_render(viewport, intent) { + var self = this; + var parameters = { intent: intent === undefined ? 'display' : intent }; + this.pdfPage.getAnnotations(parameters).then(function (annotations) { + viewport = viewport.clone({ dontFlip: true }); + parameters = { + viewport: viewport, + div: self.div, + annotations: annotations, + page: self.pdfPage, + renderInteractiveForms: self.renderInteractiveForms, + linkService: self.linkService, + downloadManager: self.downloadManager + }; + if (self.div) { + // If an annotationLayer already exists, refresh its children's + // transformation matrices. + pdfjsLib.AnnotationLayer.update(parameters); + } else { + // Create an annotation layer div and render the annotations + // if there is at least one annotation. + if (annotations.length === 0) { + return; + } + self.div = document.createElement('div'); + self.div.className = 'annotationLayer'; + self.pageDiv.appendChild(self.div); + parameters.div = self.div; + pdfjsLib.AnnotationLayer.render(parameters); + if (typeof mozL10n !== 'undefined') { + mozL10n.translate(self.div); + } + } + }); + }, + hide: function AnnotationLayerBuilder_hide() { + if (!this.div) { + return; + } + this.div.setAttribute('hidden', 'true'); + } + }; + return AnnotationLayerBuilder; + }(); + /** + * @constructor + * @implements IPDFAnnotationLayerFactory + */ + function DefaultAnnotationLayerFactory() { + } + DefaultAnnotationLayerFactory.prototype = { + /** + * @param {HTMLDivElement} pageDiv + * @param {PDFPage} pdfPage + * @param {boolean} renderInteractiveForms + * @returns {AnnotationLayerBuilder} + */ + createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) { + return new AnnotationLayerBuilder({ + pageDiv: pageDiv, + pdfPage: pdfPage, + renderInteractiveForms: renderInteractiveForms, + linkService: new SimpleLinkService() + }); + } + }; + exports.AnnotationLayerBuilder = AnnotationLayerBuilder; + exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory; + })); + (function (root, factory) { + factory(root.pdfjsWebPDFViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFPageView, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebTextLayerBuilder, root.pdfjsWebAnnotationLayerBuilder, root.pdfjsWebPDFLinkService, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS); + }(this, function (exports, uiUtils, pdfPageView, pdfRenderingQueue, textLayerBuilder, annotationLayerBuilder, pdfLinkService, domEvents, pdfjsLib) { + var UNKNOWN_SCALE = uiUtils.UNKNOWN_SCALE; + var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING; + var VERTICAL_PADDING = uiUtils.VERTICAL_PADDING; + var MAX_AUTO_SCALE = uiUtils.MAX_AUTO_SCALE; + var CSS_UNITS = uiUtils.CSS_UNITS; + var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE; + var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE; + var scrollIntoView = uiUtils.scrollIntoView; + var watchScroll = uiUtils.watchScroll; + var getVisibleElements = uiUtils.getVisibleElements; + var PDFPageView = pdfPageView.PDFPageView; + var RenderingStates = pdfRenderingQueue.RenderingStates; + var PDFRenderingQueue = pdfRenderingQueue.PDFRenderingQueue; + var TextLayerBuilder = textLayerBuilder.TextLayerBuilder; + var AnnotationLayerBuilder = annotationLayerBuilder.AnnotationLayerBuilder; + var SimpleLinkService = pdfLinkService.SimpleLinkService; + var PresentationModeState = { + UNKNOWN: 0, + NORMAL: 1, + CHANGING: 2, + FULLSCREEN: 3 + }; + var DEFAULT_CACHE_SIZE = 10; + /** + * @typedef {Object} PDFViewerOptions + * @property {HTMLDivElement} container - The container for the viewer element. + * @property {HTMLDivElement} viewer - (optional) The viewer element. + * @property {EventBus} eventBus - The application event bus. + * @property {IPDFLinkService} linkService - The navigation/linking service. + * @property {DownloadManager} downloadManager - (optional) The download + * manager component. + * @property {PDFRenderingQueue} renderingQueue - (optional) The rendering + * queue object. + * @property {boolean} removePageBorders - (optional) Removes the border shadow + * around the pages. The default is false. + * @property {boolean} enhanceTextSelection - (optional) Enables the improved + * text selection behaviour. The default is `false`. + * @property {boolean} renderInteractiveForms - (optional) Enables rendering of + * interactive form elements. The default is `false`. + */ + /** + * Simple viewer control to display PDF content/pages. + * @class + * @implements {IRenderableView} + */ + var PDFViewer = function pdfViewer() { + function PDFPageViewBuffer(size) { + var data = []; + this.push = function cachePush(view) { + var i = data.indexOf(view); + if (i >= 0) { + data.splice(i, 1); + } + data.push(view); + if (data.length > size) { + data.shift().destroy(); + } + }; + this.resize = function (newSize) { + size = newSize; + while (data.length > size) { + data.shift().destroy(); + } + }; + } + function isSameScale(oldScale, newScale) { + if (newScale === oldScale) { + return true; + } + if (Math.abs(newScale - oldScale) < 1e-15) { + // Prevent unnecessary re-rendering of all pages when the scale + // changes only because of limited numerical precision. + return true; + } + return false; + } + /** + * @constructs PDFViewer + * @param {PDFViewerOptions} options + */ + function PDFViewer(options) { + this.container = options.container; + this.viewer = options.viewer || options.container.firstElementChild; + this.eventBus = options.eventBus || domEvents.getGlobalEventBus(); + this.linkService = options.linkService || new SimpleLinkService(); + this.downloadManager = options.downloadManager || null; + this.removePageBorders = options.removePageBorders || false; + this.enhanceTextSelection = options.enhanceTextSelection || false; + this.renderInteractiveForms = options.renderInteractiveForms || false; + this.defaultRenderingQueue = !options.renderingQueue; + if (this.defaultRenderingQueue) { + // Custom rendering queue is not specified, using default one + this.renderingQueue = new PDFRenderingQueue(); + this.renderingQueue.setViewer(this); + } else { + this.renderingQueue = options.renderingQueue; + } + this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this)); + this.presentationModeState = PresentationModeState.UNKNOWN; + this._resetView(); + if (this.removePageBorders) { + this.viewer.classList.add('removePageBorders'); + } + } + PDFViewer.prototype = /** @lends PDFViewer.prototype */ + { + get pagesCount() { + return this._pages.length; + }, + getPageView: function (index) { + return this._pages[index]; + }, + /** + * @returns {boolean} true if all {PDFPageView} objects are initialized. + */ + get pageViewsReady() { + return this._pageViewsReady; + }, + /** + * @returns {number} + */ + get currentPageNumber() { + return this._currentPageNumber; + }, + /** + * @param {number} val - The page number. + */ + set currentPageNumber(val) { + if ((val | 0) !== val) { + // Ensure that `val` is an integer. + throw new Error('Invalid page number.'); + } + if (!this.pdfDocument) { + this._currentPageNumber = val; + return; + } + // The intent can be to just reset a scroll position and/or scale. + this._setCurrentPageNumber(val, /* resetCurrentPageView = */ + true); + }, + /** + * @private + */ + _setCurrentPageNumber: function PDFViewer_setCurrentPageNumber(val, resetCurrentPageView) { + if (this._currentPageNumber === val) { + if (resetCurrentPageView) { + this._resetCurrentPageView(); + } + return; + } + if (!(0 < val && val <= this.pagesCount)) { + console.error('PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.'); + return; + } + var arg = { + source: this, + pageNumber: val, + pageLabel: this._pageLabels && this._pageLabels[val - 1] + }; + this._currentPageNumber = val; + this.eventBus.dispatch('pagechanging', arg); + this.eventBus.dispatch('pagechange', arg); + if (resetCurrentPageView) { + this._resetCurrentPageView(); + } + }, + /** + * @returns {string|null} Returns the current page label, + * or `null` if no page labels exist. + */ + get currentPageLabel() { + return this._pageLabels && this._pageLabels[this._currentPageNumber - 1]; + }, + /** + * @param {string} val - The page label. + */ + set currentPageLabel(val) { + var pageNumber = val | 0; + // Fallback page number. + if (this._pageLabels) { + var i = this._pageLabels.indexOf(val); + if (i >= 0) { + pageNumber = i + 1; + } + } + this.currentPageNumber = pageNumber; + }, + /** + * @returns {number} + */ + get currentScale() { + return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE; + }, + /** + * @param {number} val - Scale of the pages in percents. + */ + set currentScale(val) { + if (isNaN(val)) { + throw new Error('Invalid numeric scale'); + } + if (!this.pdfDocument) { + this._currentScale = val; + this._currentScaleValue = val !== UNKNOWN_SCALE ? val.toString() : null; + return; + } + this._setScale(val, false); + }, + /** + * @returns {string} + */ + get currentScaleValue() { + return this._currentScaleValue; + }, + /** + * @param val - The scale of the pages (in percent or predefined value). + */ + set currentScaleValue(val) { + if (!this.pdfDocument) { + this._currentScale = isNaN(val) ? UNKNOWN_SCALE : val; + this._currentScaleValue = val.toString(); + return; + } + this._setScale(val, false); + }, + /** + * @returns {number} + */ + get pagesRotation() { + return this._pagesRotation; + }, + /** + * @param {number} rotation - The rotation of the pages (0, 90, 180, 270). + */ + set pagesRotation(rotation) { + if (!(typeof rotation === 'number' && rotation % 90 === 0)) { + throw new Error('Invalid pages rotation angle.'); + } + this._pagesRotation = rotation; + if (!this.pdfDocument) { + return; + } + for (var i = 0, l = this._pages.length; i < l; i++) { + var pageView = this._pages[i]; + pageView.update(pageView.scale, rotation); + } + this._setScale(this._currentScaleValue, true); + if (this.defaultRenderingQueue) { + this.update(); + } + }, + /** + * @param pdfDocument {PDFDocument} + */ + setDocument: function (pdfDocument) { + if (this.pdfDocument) { + this._cancelRendering(); + this._resetView(); + } + this.pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + var pagesCount = pdfDocument.numPages; + var self = this; + var resolvePagesPromise; + var pagesPromise = new Promise(function (resolve) { + resolvePagesPromise = resolve; + }); + this.pagesPromise = pagesPromise; + pagesPromise.then(function () { + self._pageViewsReady = true; + self.eventBus.dispatch('pagesloaded', { + source: self, + pagesCount: pagesCount + }); + }); + var isOnePageRenderedResolved = false; + var resolveOnePageRendered = null; + var onePageRendered = new Promise(function (resolve) { + resolveOnePageRendered = resolve; + }); + this.onePageRendered = onePageRendered; + var bindOnAfterAndBeforeDraw = function (pageView) { + pageView.onBeforeDraw = function pdfViewLoadOnBeforeDraw() { + // Add the page to the buffer at the start of drawing. That way it can + // be evicted from the buffer and destroyed even if we pause its + // rendering. + self._buffer.push(this); + }; + pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() { + if (!isOnePageRenderedResolved) { + isOnePageRenderedResolved = true; + resolveOnePageRendered(); + } + }; + }; + var firstPagePromise = pdfDocument.getPage(1); + this.firstPagePromise = firstPagePromise; + // Fetch a single page so we can get a viewport that will be the default + // viewport for all pages + return firstPagePromise.then(function (pdfPage) { + var scale = this.currentScale; + var viewport = pdfPage.getViewport(scale * CSS_UNITS); + for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { + var textLayerFactory = null; + if (!pdfjsLib.PDFJS.disableTextLayer) { + textLayerFactory = this; + } + var pageView = new PDFPageView({ + container: this.viewer, + eventBus: this.eventBus, + id: pageNum, + scale: scale, + defaultViewport: viewport.clone(), + renderingQueue: this.renderingQueue, + textLayerFactory: textLayerFactory, + annotationLayerFactory: this, + enhanceTextSelection: this.enhanceTextSelection, + renderInteractiveForms: this.renderInteractiveForms + }); + bindOnAfterAndBeforeDraw(pageView); + this._pages.push(pageView); + } + var linkService = this.linkService; + // Fetch all the pages since the viewport is needed before printing + // starts to create the correct size canvas. Wait until one page is + // rendered so we don't tie up too many resources early on. + onePageRendered.then(function () { + if (!pdfjsLib.PDFJS.disableAutoFetch) { + var getPagesLeft = pagesCount; + for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) { + pdfDocument.getPage(pageNum).then(function (pageNum, pdfPage) { + var pageView = self._pages[pageNum - 1]; + if (!pageView.pdfPage) { + pageView.setPdfPage(pdfPage); + } + linkService.cachePageRef(pageNum, pdfPage.ref); + getPagesLeft--; + if (!getPagesLeft) { + resolvePagesPromise(); + } + }.bind(null, pageNum)); + } + } else { + // XXX: Printing is semi-broken with auto fetch disabled. + resolvePagesPromise(); + } + }); + self.eventBus.dispatch('pagesinit', { source: self }); + if (this.defaultRenderingQueue) { + this.update(); + } + if (this.findController) { + this.findController.resolveFirstPage(); + } + }.bind(this)); + }, + /** + * @param {Array|null} labels + */ + setPageLabels: function PDFViewer_setPageLabels(labels) { + if (!this.pdfDocument) { + return; + } + if (!labels) { + this._pageLabels = null; + } else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) { + this._pageLabels = null; + console.error('PDFViewer_setPageLabels: Invalid page labels.'); + } else { + this._pageLabels = labels; + } + // Update all the `PDFPageView` instances. + for (var i = 0, ii = this._pages.length; i < ii; i++) { + var pageView = this._pages[i]; + var label = this._pageLabels && this._pageLabels[i]; + pageView.setPageLabel(label); + } + }, + _resetView: function () { + this._pages = []; + this._currentPageNumber = 1; + this._currentScale = UNKNOWN_SCALE; + this._currentScaleValue = null; + this._pageLabels = null; + this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE); + this._location = null; + this._pagesRotation = 0; + this._pagesRequests = []; + this._pageViewsReady = false; + // Remove the pages from the DOM. + this.viewer.textContent = ''; + }, + _scrollUpdate: function PDFViewer_scrollUpdate() { + if (this.pagesCount === 0) { + return; + } + this.update(); + for (var i = 0, ii = this._pages.length; i < ii; i++) { + this._pages[i].updatePosition(); + } + }, + _setScaleDispatchEvent: function pdfViewer_setScaleDispatchEvent(newScale, newValue, preset) { + var arg = { + source: this, + scale: newScale, + presetValue: preset ? newValue : undefined + }; + this.eventBus.dispatch('scalechanging', arg); + this.eventBus.dispatch('scalechange', arg); + }, + _setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(newScale, newValue, noScroll, preset) { + this._currentScaleValue = newValue.toString(); + if (isSameScale(this._currentScale, newScale)) { + if (preset) { + this._setScaleDispatchEvent(newScale, newValue, true); + } + return; + } + for (var i = 0, ii = this._pages.length; i < ii; i++) { + this._pages[i].update(newScale); + } + this._currentScale = newScale; + if (!noScroll) { + var page = this._currentPageNumber, dest; + if (this._location && !pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) { + page = this._location.pageNumber; + dest = [ + null, + { name: 'XYZ' }, + this._location.left, + this._location.top, + null + ]; + } + this.scrollPageIntoView({ + pageNumber: page, + destArray: dest, + allowNegativeOffset: true + }); + } + this._setScaleDispatchEvent(newScale, newValue, preset); + if (this.defaultRenderingQueue) { + this.update(); + } + }, + _setScale: function PDFViewer_setScale(value, noScroll) { + var scale = parseFloat(value); + if (scale > 0) { + this._setScaleUpdatePages(scale, value, noScroll, false); + } else { + var currentPage = this._pages[this._currentPageNumber - 1]; + if (!currentPage) { + return; + } + var hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : SCROLLBAR_PADDING; + var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : VERTICAL_PADDING; + var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale; + var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale; + switch (value) { + case 'page-actual': + scale = 1; + break; + case 'page-width': + scale = pageWidthScale; + break; + case 'page-height': + scale = pageHeightScale; + break; + case 'page-fit': + scale = Math.min(pageWidthScale, pageHeightScale); + break; + case 'auto': + var isLandscape = currentPage.width > currentPage.height; + // For pages in landscape mode, fit the page height to the viewer + // *unless* the page would thus become too wide to fit horizontally. + var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale; + scale = Math.min(MAX_AUTO_SCALE, horizontalScale); + break; + default: + console.error('PDFViewer_setScale: "' + value + '" is an unknown zoom value.'); + return; + } + this._setScaleUpdatePages(scale, value, noScroll, true); + } + }, + /** + * Refreshes page view: scrolls to the current page and updates the scale. + * @private + */ + _resetCurrentPageView: function () { + if (this.isInPresentationMode) { + // Fixes the case when PDF has different page sizes. + this._setScale(this._currentScaleValue, true); + } + var pageView = this._pages[this._currentPageNumber - 1]; + scrollIntoView(pageView.div); + }, + /** + * @typedef ScrollPageIntoViewParameters + * @property {number} pageNumber - The page number. + * @property {Array} destArray - (optional) The original PDF destination + * array, in the format: <page-ref> </XYZ|/FitXXX> <args..> + * @property {boolean} allowNegativeOffset - (optional) Allow negative page + * offsets. The default value is `false`. + */ + /** + * Scrolls page into view. + * @param {ScrollPageIntoViewParameters} params + */ + scrollPageIntoView: function PDFViewer_scrollPageIntoView(params) { + if (!this.pdfDocument) { + return; + } + var pageNumber = params.pageNumber || 0; + var dest = params.destArray || null; + var allowNegativeOffset = params.allowNegativeOffset || false; + if (this.isInPresentationMode || !dest) { + this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView */ + true); + return; + } + var pageView = this._pages[pageNumber - 1]; + if (!pageView) { + console.error('PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.'); + return; + } + var x = 0, y = 0; + var width = 0, height = 0, widthScale, heightScale; + var changeOrientation = pageView.rotation % 180 === 0 ? false : true; + var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / CSS_UNITS; + var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / CSS_UNITS; + var scale = 0; + switch (dest[1].name) { + case 'XYZ': + x = dest[2]; + y = dest[3]; + scale = dest[4]; + // If x and/or y coordinates are not supplied, default to + // _top_ left of the page (not the obvious bottom left, + // since aligning the bottom of the intended page with the + // top of the window is rarely helpful). + x = x !== null ? x : 0; + y = y !== null ? y : pageHeight; + break; + case 'Fit': + case 'FitB': + scale = 'page-fit'; + break; + case 'FitH': + case 'FitBH': + y = dest[2]; + scale = 'page-width'; + // According to the PDF spec, section 12.3.2.2, a `null` value in the + // parameter should maintain the position relative to the new page. + if (y === null && this._location) { + x = this._location.left; + y = this._location.top; + } + break; + case 'FitV': + case 'FitBV': + x = dest[2]; + width = pageWidth; + height = pageHeight; + scale = 'page-height'; + break; + case 'FitR': + x = dest[2]; + y = dest[3]; + width = dest[4] - x; + height = dest[5] - y; + var hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING; + var vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING; + widthScale = (this.container.clientWidth - hPadding) / width / CSS_UNITS; + heightScale = (this.container.clientHeight - vPadding) / height / CSS_UNITS; + scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); + break; + default: + console.error('PDFViewer_scrollPageIntoView: \'' + dest[1].name + '\' is not a valid destination type.'); + return; + } + if (scale && scale !== this._currentScale) { + this.currentScaleValue = scale; + } else if (this._currentScale === UNKNOWN_SCALE) { + this.currentScaleValue = DEFAULT_SCALE_VALUE; + } + if (scale === 'page-fit' && !dest[4]) { + scrollIntoView(pageView.div); + return; + } + var boundingRect = [ + pageView.viewport.convertToViewportPoint(x, y), + pageView.viewport.convertToViewportPoint(x + width, y + height) + ]; + var left = Math.min(boundingRect[0][0], boundingRect[1][0]); + var top = Math.min(boundingRect[0][1], boundingRect[1][1]); + if (!allowNegativeOffset) { + // Some bad PDF generators will create destinations with e.g. top values + // that exceeds the page height. Ensure that offsets are not negative, + // to prevent a previous page from becoming visible (fixes bug 874482). + left = Math.max(left, 0); + top = Math.max(top, 0); + } + scrollIntoView(pageView.div, { + left: left, + top: top + }); + }, + _updateLocation: function (firstPage) { + var currentScale = this._currentScale; + var currentScaleValue = this._currentScaleValue; + var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue; + var pageNumber = firstPage.id; + var pdfOpenParams = '#page=' + pageNumber; + pdfOpenParams += '&zoom=' + normalizedScaleValue; + var currentPageView = this._pages[pageNumber - 1]; + var container = this.container; + var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y); + var intLeft = Math.round(topLeft[0]); + var intTop = Math.round(topLeft[1]); + pdfOpenParams += ',' + intLeft + ',' + intTop; + this._location = { + pageNumber: pageNumber, + scale: normalizedScaleValue, + top: intTop, + left: intLeft, + pdfOpenParams: pdfOpenParams + }; + }, + update: function PDFViewer_update() { + var visible = this._getVisiblePages(); + var visiblePages = visible.views; + if (visiblePages.length === 0) { + return; + } + var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * visiblePages.length + 1); + this._buffer.resize(suggestedCacheSize); + this.renderingQueue.renderHighestPriority(visible); + var currentId = this._currentPageNumber; + var firstPage = visible.first; + for (var i = 0, ii = visiblePages.length, stillFullyVisible = false; i < ii; ++i) { + var page = visiblePages[i]; + if (page.percent < 100) { + break; + } + if (page.id === currentId) { + stillFullyVisible = true; + break; + } + } + if (!stillFullyVisible) { + currentId = visiblePages[0].id; + } + if (!this.isInPresentationMode) { + this._setCurrentPageNumber(currentId); + } + this._updateLocation(firstPage); + this.eventBus.dispatch('updateviewarea', { + source: this, + location: this._location + }); + }, + containsElement: function (element) { + return this.container.contains(element); + }, + focus: function () { + this.container.focus(); + }, + get isInPresentationMode() { + return this.presentationModeState === PresentationModeState.FULLSCREEN; + }, + get isChangingPresentationMode() { + return this.presentationModeState === PresentationModeState.CHANGING; + }, + get isHorizontalScrollbarEnabled() { + return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth; + }, + _getVisiblePages: function () { + if (!this.isInPresentationMode) { + return getVisibleElements(this.container, this._pages, true); + } else { + // The algorithm in getVisibleElements doesn't work in all browsers and + // configurations when presentation mode is active. + var visible = []; + var currentPage = this._pages[this._currentPageNumber - 1]; + visible.push({ + id: currentPage.id, + view: currentPage + }); + return { + first: currentPage, + last: currentPage, + views: visible + }; + } + }, + cleanup: function () { + for (var i = 0, ii = this._pages.length; i < ii; i++) { + if (this._pages[i] && this._pages[i].renderingState !== RenderingStates.FINISHED) { + this._pages[i].reset(); + } + } + }, + /** + * @private + */ + _cancelRendering: function PDFViewer_cancelRendering() { + for (var i = 0, ii = this._pages.length; i < ii; i++) { + if (this._pages[i]) { + this._pages[i].cancelRendering(); + } + } + }, + /** + * @param {PDFPageView} pageView + * @returns {PDFPage} + * @private + */ + _ensurePdfPageLoaded: function (pageView) { + if (pageView.pdfPage) { + return Promise.resolve(pageView.pdfPage); + } + var pageNumber = pageView.id; + if (this._pagesRequests[pageNumber]) { + return this._pagesRequests[pageNumber]; + } + var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) { + pageView.setPdfPage(pdfPage); + this._pagesRequests[pageNumber] = null; + return pdfPage; + }.bind(this)); + this._pagesRequests[pageNumber] = promise; + return promise; + }, + forceRendering: function (currentlyVisiblePages) { + var visiblePages = currentlyVisiblePages || this._getVisiblePages(); + var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down); + if (pageView) { + this._ensurePdfPageLoaded(pageView).then(function () { + this.renderingQueue.renderView(pageView); + }.bind(this)); + return true; + } + return false; + }, + getPageTextContent: function (pageIndex) { + return this.pdfDocument.getPage(pageIndex + 1).then(function (page) { + return page.getTextContent({ normalizeWhitespace: true }); + }); + }, + /** + * @param {HTMLDivElement} textLayerDiv + * @param {number} pageIndex + * @param {PageViewport} viewport + * @returns {TextLayerBuilder} + */ + createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) { + return new TextLayerBuilder({ + textLayerDiv: textLayerDiv, + eventBus: this.eventBus, + pageIndex: pageIndex, + viewport: viewport, + findController: this.isInPresentationMode ? null : this.findController, + enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection + }); + }, + /** + * @param {HTMLDivElement} pageDiv + * @param {PDFPage} pdfPage + * @param {boolean} renderInteractiveForms + * @returns {AnnotationLayerBuilder} + */ + createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) { + return new AnnotationLayerBuilder({ + pageDiv: pageDiv, + pdfPage: pdfPage, + renderInteractiveForms: renderInteractiveForms, + linkService: this.linkService, + downloadManager: this.downloadManager + }); + }, + setFindController: function (findController) { + this.findController = findController; + }, + /** + * Returns sizes of the pages. + * @returns {Array} Array of objects with width/height fields. + */ + getPagesOverview: function () { + return this._pages.map(function (pageView) { + var viewport = pageView.pdfPage.getViewport(1); + return { + width: viewport.width, + height: viewport.height + }; + }); + } + }; + return PDFViewer; + }(); + exports.PresentationModeState = PresentationModeState; + exports.PDFViewer = PDFViewer; + })); + (function (root, factory) { + factory(root.pdfjsWebApp = {}, root.pdfjsWebUIUtils, root.pdfjsWebDownloadManager, root.pdfjsWebPDFHistory, root.pdfjsWebPreferences, root.pdfjsWebPDFSidebar, root.pdfjsWebViewHistory, root.pdfjsWebPDFThumbnailViewer, root.pdfjsWebSecondaryToolbar, root.pdfjsWebPasswordPrompt, root.pdfjsWebPDFPresentationMode, root.pdfjsWebPDFDocumentProperties, root.pdfjsWebHandTool, root.pdfjsWebPDFViewer, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFOutlineViewer, root.pdfjsWebOverlayManager, root.pdfjsWebPDFAttachmentViewer, root.pdfjsWebPDFFindController, root.pdfjsWebPDFFindBar, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS); + }(this, function (exports, uiUtilsLib, downloadManagerLib, pdfHistoryLib, preferencesLib, pdfSidebarLib, viewHistoryLib, pdfThumbnailViewerLib, secondaryToolbarLib, passwordPromptLib, pdfPresentationModeLib, pdfDocumentPropertiesLib, handToolLib, pdfViewerLib, pdfRenderingQueueLib, pdfLinkServiceLib, pdfOutlineViewerLib, overlayManagerLib, pdfAttachmentViewerLib, pdfFindControllerLib, pdfFindBarLib, domEventsLib, pdfjsLib) { + var UNKNOWN_SCALE = uiUtilsLib.UNKNOWN_SCALE; + var DEFAULT_SCALE_VALUE = uiUtilsLib.DEFAULT_SCALE_VALUE; + var ProgressBar = uiUtilsLib.ProgressBar; + var getPDFFileNameFromURL = uiUtilsLib.getPDFFileNameFromURL; + var noContextMenuHandler = uiUtilsLib.noContextMenuHandler; + var mozL10n = uiUtilsLib.mozL10n; + var parseQueryString = uiUtilsLib.parseQueryString; + var PDFHistory = pdfHistoryLib.PDFHistory; + var Preferences = preferencesLib.Preferences; + var SidebarView = pdfSidebarLib.SidebarView; + var PDFSidebar = pdfSidebarLib.PDFSidebar; + var ViewHistory = viewHistoryLib.ViewHistory; + var PDFThumbnailViewer = pdfThumbnailViewerLib.PDFThumbnailViewer; + var SecondaryToolbar = secondaryToolbarLib.SecondaryToolbar; + var PasswordPrompt = passwordPromptLib.PasswordPrompt; + var PDFPresentationMode = pdfPresentationModeLib.PDFPresentationMode; + var PDFDocumentProperties = pdfDocumentPropertiesLib.PDFDocumentProperties; + var HandTool = handToolLib.HandTool; + var PresentationModeState = pdfViewerLib.PresentationModeState; + var PDFViewer = pdfViewerLib.PDFViewer; + var RenderingStates = pdfRenderingQueueLib.RenderingStates; + var PDFRenderingQueue = pdfRenderingQueueLib.PDFRenderingQueue; + var PDFLinkService = pdfLinkServiceLib.PDFLinkService; + var PDFOutlineViewer = pdfOutlineViewerLib.PDFOutlineViewer; + var OverlayManager = overlayManagerLib.OverlayManager; + var PDFAttachmentViewer = pdfAttachmentViewerLib.PDFAttachmentViewer; + var PDFFindController = pdfFindControllerLib.PDFFindController; + var PDFFindBar = pdfFindBarLib.PDFFindBar; + var getGlobalEventBus = domEventsLib.getGlobalEventBus; + var normalizeWheelEventDelta = uiUtilsLib.normalizeWheelEventDelta; + var DEFAULT_SCALE_DELTA = 1.1; + var MIN_SCALE = 0.25; + var MAX_SCALE = 10.0; + var SCALE_SELECT_CONTAINER_PADDING = 8; + var SCALE_SELECT_PADDING = 22; + var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading'; + var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000; + function configure(PDFJS) { + PDFJS.imageResourcesPath = './images/'; + PDFJS.workerSrc = '../build/pdf.worker.js'; + PDFJS.cMapUrl = '../web/cmaps/'; + PDFJS.cMapPacked = true; + } + var DefaultExernalServices = { + updateFindControlState: function (data) { + }, + initPassiveLoading: function (callbacks) { + }, + fallback: function (data, callback) { + }, + reportTelemetry: function (data) { + }, + createDownloadManager: function () { + return new downloadManagerLib.DownloadManager(); + }, + supportsIntegratedFind: false, + supportsDocumentFonts: true, + supportsDocumentColors: true, + supportedMouseWheelZoomModifierKeys: { + ctrlKey: true, + metaKey: true + } + }; + var PDFViewerApplication = { + initialBookmark: document.location.hash.substring(1), + initialDestination: null, + initialized: false, + fellback: false, + appConfig: null, + pdfDocument: null, + pdfLoadingTask: null, + printService: null, + /** @type {PDFViewer} */ + pdfViewer: null, + /** @type {PDFThumbnailViewer} */ + pdfThumbnailViewer: null, + /** @type {PDFRenderingQueue} */ + pdfRenderingQueue: null, + /** @type {PDFPresentationMode} */ + pdfPresentationMode: null, + /** @type {PDFDocumentProperties} */ + pdfDocumentProperties: null, + /** @type {PDFLinkService} */ + pdfLinkService: null, + /** @type {PDFHistory} */ + pdfHistory: null, + /** @type {PDFSidebar} */ + pdfSidebar: null, + /** @type {PDFOutlineViewer} */ + pdfOutlineViewer: null, + /** @type {PDFAttachmentViewer} */ + pdfAttachmentViewer: null, + /** @type {ViewHistory} */ + store: null, + /** @type {DownloadManager} */ + downloadManager: null, + /** @type {EventBus} */ + eventBus: null, + pageRotation: 0, + isInitialViewSet: false, + animationStartedPromise: null, + preferenceSidebarViewOnLoad: SidebarView.NONE, + preferencePdfBugEnabled: false, + preferenceShowPreviousViewOnLoad: true, + preferenceDefaultZoomValue: '', + preferenceDisablePageLabels: false, + isViewerEmbedded: window.parent !== window, + url: '', + baseUrl: '', + externalServices: DefaultExernalServices, + hasPageLabels: false, + // called once when the document is loaded + initialize: function pdfViewInitialize(appConfig) { + configure(pdfjsLib.PDFJS); + this.appConfig = appConfig; + var eventBus = appConfig.eventBus || getGlobalEventBus(); + this.eventBus = eventBus; + this.bindEvents(); + var pdfRenderingQueue = new PDFRenderingQueue(); + pdfRenderingQueue.onIdle = this.cleanup.bind(this); + this.pdfRenderingQueue = pdfRenderingQueue; + var pdfLinkService = new PDFLinkService({ eventBus: eventBus }); + this.pdfLinkService = pdfLinkService; + var downloadManager = this.externalServices.createDownloadManager(); + this.downloadManager = downloadManager; + var container = appConfig.mainContainer; + var viewer = appConfig.viewerContainer; + this.pdfViewer = new PDFViewer({ + container: container, + viewer: viewer, + eventBus: eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + downloadManager: downloadManager, + enhanceTextSelection: false, + renderInteractiveForms: false + }); + pdfRenderingQueue.setViewer(this.pdfViewer); + pdfLinkService.setViewer(this.pdfViewer); + var thumbnailContainer = appConfig.sidebar.thumbnailView; + this.pdfThumbnailViewer = new PDFThumbnailViewer({ + container: thumbnailContainer, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService + }); + pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer); + Preferences.initialize(); + this.preferences = Preferences; + this.pdfHistory = new PDFHistory({ + linkService: pdfLinkService, + eventBus: this.eventBus + }); + pdfLinkService.setHistory(this.pdfHistory); + this.findController = new PDFFindController({ pdfViewer: this.pdfViewer }); + this.findController.onUpdateResultsCount = function (matchCount) { + if (this.supportsIntegratedFind) { + return; + } + this.findBar.updateResultsCount(matchCount); + }.bind(this); + this.findController.onUpdateState = function (state, previous, matchCount) { + if (this.supportsIntegratedFind) { + this.externalServices.updateFindControlState({ + result: state, + findPrevious: previous + }); + } else { + this.findBar.updateUIState(state, previous, matchCount); + } + }.bind(this); + this.pdfViewer.setFindController(this.findController); + // FIXME better PDFFindBar constructor parameters + var findBarConfig = Object.create(appConfig.findBar); + findBarConfig.findController = this.findController; + findBarConfig.eventBus = this.eventBus; + this.findBar = new PDFFindBar(findBarConfig); + this.overlayManager = OverlayManager; + this.handTool = new HandTool({ + container: container, + eventBus: this.eventBus + }); + this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties); + this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus); + if (this.supportsFullscreen) { + this.pdfPresentationMode = new PDFPresentationMode({ + container: container, + viewer: viewer, + pdfViewer: this.pdfViewer, + eventBus: this.eventBus, + contextMenuItems: appConfig.fullscreen + }); + } + this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay); + this.pdfOutlineViewer = new PDFOutlineViewer({ + container: appConfig.sidebar.outlineView, + eventBus: this.eventBus, + linkService: pdfLinkService + }); + this.pdfAttachmentViewer = new PDFAttachmentViewer({ + container: appConfig.sidebar.attachmentsView, + eventBus: this.eventBus, + downloadManager: downloadManager + }); + // FIXME better PDFSidebar constructor parameters + var sidebarConfig = Object.create(appConfig.sidebar); + sidebarConfig.pdfViewer = this.pdfViewer; + sidebarConfig.pdfThumbnailViewer = this.pdfThumbnailViewer; + sidebarConfig.pdfOutlineViewer = this.pdfOutlineViewer; + sidebarConfig.eventBus = this.eventBus; + this.pdfSidebar = new PDFSidebar(sidebarConfig); + this.pdfSidebar.onToggled = this.forceRendering.bind(this); + var self = this; + var PDFJS = pdfjsLib.PDFJS; + var initializedPromise = Promise.all([ + Preferences.get('enableWebGL').then(function resolved(value) { + PDFJS.disableWebGL = !value; + }), + Preferences.get('sidebarViewOnLoad').then(function resolved(value) { + self.preferenceSidebarViewOnLoad = value; + }), + Preferences.get('pdfBugEnabled').then(function resolved(value) { + self.preferencePdfBugEnabled = value; + }), + Preferences.get('showPreviousViewOnLoad').then(function resolved(value) { + self.preferenceShowPreviousViewOnLoad = value; + }), + Preferences.get('defaultZoomValue').then(function resolved(value) { + self.preferenceDefaultZoomValue = value; + }), + Preferences.get('enhanceTextSelection').then(function resolved(value) { + // TODO: Move the initialization and fetching of `Preferences` to occur + // before the various viewer components are initialized. + // + // This was attempted in: https://github.com/mozilla/pdf.js/pull/7586, + // but it had to be backed out since it violated implicit assumptions + // about some viewer components being synchronously available. + // + // NOTE: This hack works since the `enhanceTextSelection` option is not + // needed until `PDFViewer.setDocument` has been called. + self.pdfViewer.enhanceTextSelection = value; + }), + Preferences.get('disableTextLayer').then(function resolved(value) { + if (PDFJS.disableTextLayer === true) { + return; + } + PDFJS.disableTextLayer = value; + }), + Preferences.get('disableRange').then(function resolved(value) { + if (PDFJS.disableRange === true) { + return; + } + PDFJS.disableRange = value; + }), + Preferences.get('disableStream').then(function resolved(value) { + if (PDFJS.disableStream === true) { + return; + } + PDFJS.disableStream = value; + }), + Preferences.get('disableAutoFetch').then(function resolved(value) { + PDFJS.disableAutoFetch = value; + }), + Preferences.get('disableFontFace').then(function resolved(value) { + if (PDFJS.disableFontFace === true) { + return; + } + PDFJS.disableFontFace = value; + }), + Preferences.get('useOnlyCssZoom').then(function resolved(value) { + PDFJS.useOnlyCssZoom = value; + }), + Preferences.get('externalLinkTarget').then(function resolved(value) { + if (PDFJS.isExternalLinkTargetSet()) { + return; + } + PDFJS.externalLinkTarget = value; + }), + Preferences.get('renderInteractiveForms').then(function resolved(value) { + // TODO: Like the `enhanceTextSelection` preference, move the + // initialization and fetching of `Preferences` to occur + // before the various viewer components are initialized. + self.pdfViewer.renderInteractiveForms = value; + }), + Preferences.get('disablePageLabels').then(function resolved(value) { + self.preferenceDisablePageLabels = value; + }) + ]).catch(function (reason) { + }); + return initializedPromise.then(function () { + if (self.isViewerEmbedded && !PDFJS.isExternalLinkTargetSet()) { + // Prevent external links from "replacing" the viewer, + // when it's embedded in e.g. an iframe or an object. + PDFJS.externalLinkTarget = PDFJS.LinkTarget.TOP; + } + self.initialized = true; + }); + }, + run: function pdfViewRun(config) { + this.initialize(config).then(webViewerInitialized); + }, + zoomIn: function pdfViewZoomIn(ticks) { + var newScale = this.pdfViewer.currentScale; + do { + newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2); + newScale = Math.ceil(newScale * 10) / 10; + newScale = Math.min(MAX_SCALE, newScale); + } while (--ticks > 0 && newScale < MAX_SCALE); + this.pdfViewer.currentScaleValue = newScale; + }, + zoomOut: function pdfViewZoomOut(ticks) { + var newScale = this.pdfViewer.currentScale; + do { + newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2); + newScale = Math.floor(newScale * 10) / 10; + newScale = Math.max(MIN_SCALE, newScale); + } while (--ticks > 0 && newScale > MIN_SCALE); + this.pdfViewer.currentScaleValue = newScale; + }, + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + }, + set page(val) { + this.pdfViewer.currentPageNumber = val; + }, + get page() { + return this.pdfViewer.currentPageNumber; + }, + get printing() { + return !!this.printService; + }, + get supportsPrinting() { + return PDFPrintServiceFactory.instance.supportsPrinting; + }, + get supportsFullscreen() { + var support; + support = document.fullscreenEnabled === true || document.mozFullScreenEnabled === true; + if (support && pdfjsLib.PDFJS.disableFullscreen === true) { + support = false; + } + return pdfjsLib.shadow(this, 'supportsFullscreen', support); + }, + get supportsIntegratedFind() { + return this.externalServices.supportsIntegratedFind; + }, + get supportsDocumentFonts() { + return this.externalServices.supportsDocumentFonts; + }, + get supportsDocumentColors() { + return this.externalServices.supportsDocumentColors; + }, + get loadingBar() { + var bar = new ProgressBar('#loadingBar', {}); + return pdfjsLib.shadow(this, 'loadingBar', bar); + }, + get supportedMouseWheelZoomModifierKeys() { + return this.externalServices.supportedMouseWheelZoomModifierKeys; + }, + initPassiveLoading: function pdfViewInitPassiveLoading() { + this.externalServices.initPassiveLoading({ + onOpenWithTransport: function (url, length, transport) { + PDFViewerApplication.open(url, { range: transport }); + if (length) { + PDFViewerApplication.pdfDocumentProperties.setFileSize(length); + } + }, + onOpenWithData: function (data) { + PDFViewerApplication.open(data); + }, + onOpenWithURL: function (url, length, originalURL) { + var file = url, args = null; + if (length !== undefined) { + args = { length: length }; + } + if (originalURL !== undefined) { + file = { + file: url, + originalURL: originalURL + }; + } + PDFViewerApplication.open(file, args); + }, + onError: function (e) { + PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.'), e); + }, + onProgress: function (loaded, total) { + PDFViewerApplication.progress(loaded / total); + } + }); + }, + setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) { + this.url = url; + this.baseUrl = url.split('#')[0]; + try { + this.setTitle(decodeURIComponent(pdfjsLib.getFilenameFromUrl(url)) || url); + } catch (e) { + // decodeURIComponent may throw URIError, + // fall back to using the unprocessed url in that case + this.setTitle(url); + } + }, + setTitle: function pdfViewSetTitle(title) { + if (this.isViewerEmbedded) { + // Embedded PDF viewers should not be changing their parent page's title. + return; + } + document.title = title; + }, + /** + * Closes opened PDF document. + * @returns {Promise} - Returns the promise, which is resolved when all + * destruction is completed. + */ + close: function pdfViewClose() { + var errorWrapper = this.appConfig.errorWrapper.container; + errorWrapper.setAttribute('hidden', 'true'); + if (!this.pdfLoadingTask) { + return Promise.resolve(); + } + var promise = this.pdfLoadingTask.destroy(); + this.pdfLoadingTask = null; + if (this.pdfDocument) { + this.pdfDocument = null; + this.pdfThumbnailViewer.setDocument(null); + this.pdfViewer.setDocument(null); + this.pdfLinkService.setDocument(null, null); + } + this.store = null; + this.isInitialViewSet = false; + this.hasPageLabels = false; + this.pdfSidebar.reset(); + this.pdfOutlineViewer.reset(); + this.pdfAttachmentViewer.reset(); + this.findController.reset(); + this.findBar.reset(); + if (typeof PDFBug !== 'undefined') { + PDFBug.cleanup(); + } + return promise; + }, + /** + * Opens PDF document specified by URL or array with additional arguments. + * @param {string|TypedArray|ArrayBuffer} file - PDF location or binary data. + * @param {Object} args - (optional) Additional arguments for the getDocument + * call, e.g. HTTP headers ('httpHeaders') or + * alternative data transport ('range'). + * @returns {Promise} - Returns the promise, which is resolved when document + * is opened. + */ + open: function pdfViewOpen(file, args) { + if (this.pdfLoadingTask) { + // We need to destroy already opened document. + return this.close().then(function () { + // Reload the preferences if a document was previously opened. + Preferences.reload(); + // ... and repeat the open() call. + return this.open(file, args); + }.bind(this)); + } + var parameters = Object.create(null), scale; + if (typeof file === 'string') { + // URL + this.setTitleUsingUrl(file); + parameters.url = file; + } else if (file && 'byteLength' in file) { + // ArrayBuffer + parameters.data = file; + } else if (file.url && file.originalUrl) { + this.setTitleUsingUrl(file.originalUrl); + parameters.url = file.url; + } + parameters.docBaseUrl = this.baseUrl; + if (args) { + for (var prop in args) { + parameters[prop] = args[prop]; + } + if (args.scale) { + scale = args.scale; + } + if (args.length) { + this.pdfDocumentProperties.setFileSize(args.length); + } + } + var self = this; + self.downloadComplete = false; + var loadingTask = pdfjsLib.getDocument(parameters); + this.pdfLoadingTask = loadingTask; + loadingTask.onPassword = function passwordNeeded(updateCallback, reason) { + self.passwordPrompt.setUpdateCallback(updateCallback, reason); + self.passwordPrompt.open(); + }; + loadingTask.onProgress = function getDocumentProgress(progressData) { + self.progress(progressData.loaded / progressData.total); + }; + // Listen for unsupported features to trigger the fallback UI. + loadingTask.onUnsupportedFeature = this.fallback.bind(this); + return loadingTask.promise.then(function getDocumentCallback(pdfDocument) { + self.load(pdfDocument, scale); + }, function getDocumentError(exception) { + var message = exception && exception.message; + var loadingErrorMessage = mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.'); + if (exception instanceof pdfjsLib.InvalidPDFException) { + // change error message also for other builds + loadingErrorMessage = mozL10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.'); + } else if (exception instanceof pdfjsLib.MissingPDFException) { + // special message for missing PDF's + loadingErrorMessage = mozL10n.get('missing_file_error', null, 'Missing PDF file.'); + } else if (exception instanceof pdfjsLib.UnexpectedResponseException) { + loadingErrorMessage = mozL10n.get('unexpected_response_error', null, 'Unexpected server response.'); + } + var moreInfo = { message: message }; + self.error(loadingErrorMessage, moreInfo); + throw new Error(loadingErrorMessage); + }); + }, + download: function pdfViewDownload() { + function downloadByUrl() { + downloadManager.downloadUrl(url, filename); + } + var url = this.baseUrl; + var filename = getPDFFileNameFromURL(url); + var downloadManager = this.downloadManager; + downloadManager.onerror = function (err) { + // This error won't really be helpful because it's likely the + // fallback won't work either (or is already open). + PDFViewerApplication.error('PDF failed to download.'); + }; + if (!this.pdfDocument) { + // the PDF is not ready yet + downloadByUrl(); + return; + } + if (!this.downloadComplete) { + // the PDF is still downloading + downloadByUrl(); + return; + } + this.pdfDocument.getData().then(function getDataSuccess(data) { + var blob = pdfjsLib.createBlob(data, 'application/pdf'); + downloadManager.download(blob, url, filename); + }, downloadByUrl).then(null, downloadByUrl); + }, + fallback: function pdfViewFallback(featureId) { + // Only trigger the fallback once so we don't spam the user with messages + // for one PDF. + if (this.fellback) { + return; + } + this.fellback = true; + this.externalServices.fallback({ + featureId: featureId, + url: this.baseUrl + }, function response(download) { + if (!download) { + return; + } + PDFViewerApplication.download(); + }); + }, + /** + * Show the error box. + * @param {String} message A message that is human readable. + * @param {Object} moreInfo (optional) Further information about the error + * that is more technical. Should have a 'message' + * and optionally a 'stack' property. + */ + error: function pdfViewError(message, moreInfo) { + var moreInfoText = mozL10n.get('error_version_info', { + version: pdfjsLib.version || '?', + build: pdfjsLib.build || '?' + }, 'PDF.js v{{version}} (build: {{build}})') + '\n'; + if (moreInfo) { + moreInfoText += mozL10n.get('error_message', { message: moreInfo.message }, 'Message: {{message}}'); + if (moreInfo.stack) { + moreInfoText += '\n' + mozL10n.get('error_stack', { stack: moreInfo.stack }, 'Stack: {{stack}}'); + } else { + if (moreInfo.filename) { + moreInfoText += '\n' + mozL10n.get('error_file', { file: moreInfo.filename }, 'File: {{file}}'); + } + if (moreInfo.lineNumber) { + moreInfoText += '\n' + mozL10n.get('error_line', { line: moreInfo.lineNumber }, 'Line: {{line}}'); + } + } + } + console.error(message + '\n' + moreInfoText); + this.fallback(); + }, + progress: function pdfViewProgress(level) { + var percent = Math.round(level * 100); + // When we transition from full request to range requests, it's possible + // that we discard some of the loaded data. This can cause the loading + // bar to move backwards. So prevent this by only updating the bar if it + // increases. + if (percent > this.loadingBar.percent || isNaN(percent)) { + this.loadingBar.percent = percent; + // When disableAutoFetch is enabled, it's not uncommon for the entire file + // to never be fetched (depends on e.g. the file structure). In this case + // the loading bar will not be completely filled, nor will it be hidden. + // To prevent displaying a partially filled loading bar permanently, we + // hide it when no data has been loaded during a certain amount of time. + if (pdfjsLib.PDFJS.disableAutoFetch && percent) { + if (this.disableAutoFetchLoadingBarTimeout) { + clearTimeout(this.disableAutoFetchLoadingBarTimeout); + this.disableAutoFetchLoadingBarTimeout = null; + } + this.loadingBar.show(); + this.disableAutoFetchLoadingBarTimeout = setTimeout(function () { + this.loadingBar.hide(); + this.disableAutoFetchLoadingBarTimeout = null; + }.bind(this), DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT); + } + } + }, + load: function pdfViewLoad(pdfDocument, scale) { + var self = this; + scale = scale || UNKNOWN_SCALE; + this.pdfDocument = pdfDocument; + this.pdfDocumentProperties.setDocumentAndUrl(pdfDocument, this.url); + var downloadedPromise = pdfDocument.getDownloadInfo().then(function () { + self.downloadComplete = true; + self.loadingBar.hide(); + }); + this._updateUIToolbar({ resetNumPages: true }); + var id = this.documentFingerprint = pdfDocument.fingerprint; + var store = this.store = new ViewHistory(id); + var baseDocumentUrl; + baseDocumentUrl = this.baseUrl; + this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl); + var pdfViewer = this.pdfViewer; + pdfViewer.currentScale = scale; + pdfViewer.setDocument(pdfDocument); + var firstPagePromise = pdfViewer.firstPagePromise; + var pagesPromise = pdfViewer.pagesPromise; + var onePageRendered = pdfViewer.onePageRendered; + this.pageRotation = 0; + var pdfThumbnailViewer = this.pdfThumbnailViewer; + pdfThumbnailViewer.setDocument(pdfDocument); + firstPagePromise.then(function (pdfPage) { + downloadedPromise.then(function () { + self.eventBus.dispatch('documentload', { source: self }); + }); + self.loadingBar.setWidth(self.appConfig.viewerContainer); + if (!pdfjsLib.PDFJS.disableHistory && !self.isViewerEmbedded) { + // The browsing history is only enabled when the viewer is standalone, + // i.e. not when it is embedded in a web page. + if (!self.preferenceShowPreviousViewOnLoad) { + self.pdfHistory.clearHistoryState(); + } + self.pdfHistory.initialize(self.documentFingerprint); + if (self.pdfHistory.initialDestination) { + self.initialDestination = self.pdfHistory.initialDestination; + } else if (self.pdfHistory.initialBookmark) { + self.initialBookmark = self.pdfHistory.initialBookmark; + } + } + var initialParams = { + destination: self.initialDestination, + bookmark: self.initialBookmark, + hash: null + }; + store.initializedPromise.then(function resolved() { + var storedHash = null, sidebarView = null; + if (self.preferenceShowPreviousViewOnLoad && store.get('exists', false)) { + var pageNum = store.get('page', '1'); + var zoom = self.preferenceDefaultZoomValue || store.get('zoom', DEFAULT_SCALE_VALUE); + var left = store.get('scrollLeft', '0'); + var top = store.get('scrollTop', '0'); + storedHash = 'page=' + pageNum + '&zoom=' + zoom + ',' + left + ',' + top; + sidebarView = store.get('sidebarView', SidebarView.NONE); + } else if (self.preferenceDefaultZoomValue) { + storedHash = 'page=1&zoom=' + self.preferenceDefaultZoomValue; + } + self.setInitialView(storedHash, { + scale: scale, + sidebarView: sidebarView + }); + initialParams.hash = storedHash; + // Make all navigation keys work on document load, + // unless the viewer is embedded in a web page. + if (!self.isViewerEmbedded) { + self.pdfViewer.focus(); + } + }, function rejected(reason) { + console.error(reason); + self.setInitialView(null, { scale: scale }); + }); + // For documents with different page sizes, + // ensure that the correct location becomes visible on load. + pagesPromise.then(function resolved() { + if (!initialParams.destination && !initialParams.bookmark && !initialParams.hash) { + return; + } + if (self.hasEqualPageSizes) { + return; + } + self.initialDestination = initialParams.destination; + self.initialBookmark = initialParams.bookmark; + self.pdfViewer.currentScaleValue = self.pdfViewer.currentScaleValue; + self.setInitialView(initialParams.hash); + }); + }); + pdfDocument.getPageLabels().then(function (labels) { + if (!labels || self.preferenceDisablePageLabels) { + return; + } + var i = 0, numLabels = labels.length; + if (numLabels !== self.pagesCount) { + console.error('The number of Page Labels does not match ' + 'the number of pages in the document.'); + return; + } + // Ignore page labels that correspond to standard page numbering. + while (i < numLabels && labels[i] === (i + 1).toString()) { + i++; + } + if (i === numLabels) { + return; + } + pdfViewer.setPageLabels(labels); + pdfThumbnailViewer.setPageLabels(labels); + self.hasPageLabels = true; + self._updateUIToolbar({ resetNumPages: true }); + }); + pagesPromise.then(function () { + if (self.supportsPrinting) { + pdfDocument.getJavaScript().then(function (javaScript) { + if (javaScript.length) { + console.warn('Warning: JavaScript is not supported'); + self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.javaScript); + } + // Hack to support auto printing. + var regex = /\bprint\s*\(/; + for (var i = 0, ii = javaScript.length; i < ii; i++) { + var js = javaScript[i]; + if (js && regex.test(js)) { + setTimeout(function () { + window.print(); + }); + return; + } + } + }); + } + }); + Promise.all([ + onePageRendered, + this.animationStartedPromise + ]).then(function () { + pdfDocument.getOutline().then(function (outline) { + self.pdfOutlineViewer.render({ outline: outline }); + }); + pdfDocument.getAttachments().then(function (attachments) { + self.pdfAttachmentViewer.render({ attachments: attachments }); + }); + }); + pdfDocument.getMetadata().then(function (data) { + var info = data.info, metadata = data.metadata; + self.documentInfo = info; + self.metadata = metadata; + // Provides some basic debug information + console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (pdfjsLib.version || '-') + (!pdfjsLib.PDFJS.disableWebGL ? ' [WebGL]' : '') + ')'); + var pdfTitle; + if (metadata && metadata.has('dc:title')) { + var title = metadata.get('dc:title'); + // Ghostscript sometimes return 'Untitled', sets the title to 'Untitled' + if (title !== 'Untitled') { + pdfTitle = title; + } + } + if (!pdfTitle && info && info['Title']) { + pdfTitle = info['Title']; + } + if (pdfTitle) { + self.setTitle(pdfTitle + ' - ' + document.title); + } + if (info.IsAcroFormPresent) { + console.warn('Warning: AcroForm/XFA is not supported'); + self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.forms); + } + var versionId = String(info.PDFFormatVersion).slice(-1) | 0; + var generatorId = 0; + var KNOWN_GENERATORS = [ + 'acrobat distiller', + 'acrobat pdfwriter', + 'adobe livecycle', + 'adobe pdf library', + 'adobe photoshop', + 'ghostscript', + 'tcpdf', + 'cairo', + 'dvipdfm', + 'dvips', + 'pdftex', + 'pdfkit', + 'itext', + 'prince', + 'quarkxpress', + 'mac os x', + 'microsoft', + 'openoffice', + 'oracle', + 'luradocument', + 'pdf-xchange', + 'antenna house', + 'aspose.cells', + 'fpdf' + ]; + if (info.Producer) { + KNOWN_GENERATORS.some(function (generator, s, i) { + if (generator.indexOf(s) < 0) { + return false; + } + generatorId = i + 1; + return true; + }.bind(null, info.Producer.toLowerCase())); + } + var formType = !info.IsAcroFormPresent ? null : info.IsXFAPresent ? 'xfa' : 'acroform'; + self.externalServices.reportTelemetry({ + type: 'documentInfo', + version: versionId, + generator: generatorId, + formType: formType + }); + }); + }, + setInitialView: function pdfViewSetInitialView(storedHash, options) { + var scale = options && options.scale; + var sidebarView = options && options.sidebarView; + this.isInitialViewSet = true; + this.pdfSidebar.setInitialView(this.preferenceSidebarViewOnLoad || sidebarView | 0); + if (this.initialDestination) { + this.pdfLinkService.navigateTo(this.initialDestination); + this.initialDestination = null; + } else if (this.initialBookmark) { + this.pdfLinkService.setHash(this.initialBookmark); + this.pdfHistory.push({ hash: this.initialBookmark }, true); + this.initialBookmark = null; + } else if (storedHash) { + this.pdfLinkService.setHash(storedHash); + } else if (scale) { + this.pdfViewer.currentScaleValue = scale; + this.page = 1; + } + if (!this.pdfViewer.currentScaleValue) { + // Scale was not initialized: invalid bookmark or scale was not specified. + // Setting the default one. + this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE; + } + }, + cleanup: function pdfViewCleanup() { + if (!this.pdfDocument) { + return; + } + // run cleanup when document is loaded + this.pdfViewer.cleanup(); + this.pdfThumbnailViewer.cleanup(); + this.pdfDocument.cleanup(); + }, + forceRendering: function pdfViewForceRendering() { + this.pdfRenderingQueue.printing = this.printing; + this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible; + this.pdfRenderingQueue.renderHighestPriority(); + }, + beforePrint: function pdfViewSetupBeforePrint() { + if (this.printService) { + // There is no way to suppress beforePrint/afterPrint events, + // but PDFPrintService may generate double events -- this will ignore + // the second event that will be coming from native window.print(). + return; + } + if (!this.supportsPrinting) { + var printMessage = mozL10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by this browser.'); + this.error(printMessage); + return; + } + // The beforePrint is a sync method and we need to know layout before + // returning from this method. Ensure that we can get sizes of the pages. + if (!this.pdfViewer.pageViewsReady) { + var notReadyMessage = mozL10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.'); + window.alert(notReadyMessage); + return; + } + var pagesOverview = this.pdfViewer.getPagesOverview(); + var printContainer = this.appConfig.printContainer; + var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer); + this.printService = printService; + this.forceRendering(); + printService.layout(); + this.externalServices.reportTelemetry({ type: 'print' }); + }, + // Whether all pages of the PDF have the same width and height. + get hasEqualPageSizes() { + var firstPage = this.pdfViewer.getPageView(0); + for (var i = 1, ii = this.pagesCount; i < ii; ++i) { + var pageView = this.pdfViewer.getPageView(i); + if (pageView.width !== firstPage.width || pageView.height !== firstPage.height) { + return false; + } + } + return true; + }, + afterPrint: function pdfViewSetupAfterPrint() { + if (this.printService) { + this.printService.destroy(); + this.printService = null; + } + this.forceRendering(); + }, + rotatePages: function pdfViewRotatePages(delta) { + var pageNumber = this.page; + this.pageRotation = (this.pageRotation + 360 + delta) % 360; + this.pdfViewer.pagesRotation = this.pageRotation; + this.pdfThumbnailViewer.pagesRotation = this.pageRotation; + this.forceRendering(); + this.pdfViewer.currentPageNumber = pageNumber; + }, + requestPresentationMode: function pdfViewRequestPresentationMode() { + if (!this.pdfPresentationMode) { + return; + } + this.pdfPresentationMode.request(); + }, + /** + * @typedef UpdateUIToolbarParameters + * @property {number} pageNumber + * @property {string} pageLabel + * @property {string} scaleValue + * @property {number} scale + * @property {boolean} resetNumPages + */ + /** + * @param {Object} UpdateUIToolbarParameters + * @private + */ + _updateUIToolbar: function (params) { + function selectScaleOption(value, scale) { + var options = toolbarConfig.scaleSelect.options; + var predefinedValueFound = false; + for (var i = 0, ii = options.length; i < ii; i++) { + var option = options[i]; + if (option.value !== value) { + option.selected = false; + continue; + } + option.selected = true; + predefinedValueFound = true; + } + if (!predefinedValueFound) { + var customScale = Math.round(scale * 10000) / 100; + toolbarConfig.customScaleOption.textContent = mozL10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%'); + toolbarConfig.customScaleOption.selected = true; + } + } + var pageNumber = params.pageNumber || this.pdfViewer.currentPageNumber; + var scaleValue = (params.scaleValue || params.scale || this.pdfViewer.currentScaleValue || DEFAULT_SCALE_VALUE).toString(); + var scale = params.scale || this.pdfViewer.currentScale; + var resetNumPages = params.resetNumPages || false; + var toolbarConfig = this.appConfig.toolbar; + var pagesCount = this.pagesCount; + if (resetNumPages) { + if (this.hasPageLabels) { + toolbarConfig.pageNumber.type = 'text'; + } else { + toolbarConfig.pageNumber.type = 'number'; + toolbarConfig.numPages.textContent = mozL10n.get('of_pages', { pagesCount: pagesCount }, 'of {{pagesCount}}'); + } + toolbarConfig.pageNumber.max = pagesCount; + } + if (this.hasPageLabels) { + toolbarConfig.pageNumber.value = params.pageLabel || this.pdfViewer.currentPageLabel; + toolbarConfig.numPages.textContent = mozL10n.get('page_of_pages', { + pageNumber: pageNumber, + pagesCount: pagesCount + }, '({{pageNumber}} of {{pagesCount}})'); + } else { + toolbarConfig.pageNumber.value = pageNumber; + } + toolbarConfig.previous.disabled = pageNumber <= 1; + toolbarConfig.next.disabled = pageNumber >= pagesCount; + toolbarConfig.firstPage.disabled = pageNumber <= 1; + toolbarConfig.lastPage.disabled = pageNumber >= pagesCount; + toolbarConfig.zoomOut.disabled = scale <= MIN_SCALE; + toolbarConfig.zoomIn.disabled = scale >= MAX_SCALE; + selectScaleOption(scaleValue, scale); + }, + bindEvents: function pdfViewBindEvents() { + var eventBus = this.eventBus; + eventBus.on('resize', webViewerResize); + eventBus.on('localized', webViewerLocalized); + eventBus.on('hashchange', webViewerHashchange); + eventBus.on('beforeprint', this.beforePrint.bind(this)); + eventBus.on('afterprint', this.afterPrint.bind(this)); + eventBus.on('pagerendered', webViewerPageRendered); + eventBus.on('textlayerrendered', webViewerTextLayerRendered); + eventBus.on('updateviewarea', webViewerUpdateViewarea); + eventBus.on('pagechanging', webViewerPageChanging); + eventBus.on('scalechanging', webViewerScaleChanging); + eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged); + eventBus.on('pagemode', webViewerPageMode); + eventBus.on('namedaction', webViewerNamedAction); + eventBus.on('presentationmodechanged', webViewerPresentationModeChanged); + eventBus.on('presentationmode', webViewerPresentationMode); + eventBus.on('openfile', webViewerOpenFile); + eventBus.on('print', webViewerPrint); + eventBus.on('download', webViewerDownload); + eventBus.on('firstpage', webViewerFirstPage); + eventBus.on('lastpage', webViewerLastPage); + eventBus.on('rotatecw', webViewerRotateCw); + eventBus.on('rotateccw', webViewerRotateCcw); + eventBus.on('documentproperties', webViewerDocumentProperties); + eventBus.on('find', webViewerFind); + eventBus.on('findfromurlhash', webViewerFindFromUrlHash); + } + }; + var validateFileURL; + function loadAndEnablePDFBug(enabledTabs) { + return new Promise(function (resolve, reject) { + var appConfig = PDFViewerApplication.appConfig; + var script = document.createElement('script'); + script.src = appConfig.debuggerScriptPath; + script.onload = function () { + PDFBug.enable(enabledTabs); + PDFBug.init(pdfjsLib, appConfig.mainContainer); + resolve(); + }; + script.onerror = function () { + reject(new Error('Cannot load debugger at ' + script.src)); + }; + (document.getElementsByTagName('head')[0] || document.body).appendChild(script); + }); + } + function webViewerInitialized() { + var file; + file = window.location.href.split('#')[0]; + var waitForBeforeOpening = []; + var appConfig = PDFViewerApplication.appConfig; + appConfig.toolbar.openFile.setAttribute('hidden', 'true'); + appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true'); + var PDFJS = pdfjsLib.PDFJS; + if (PDFViewerApplication.preferencePdfBugEnabled) { + // Special debugging flags in the hash section of the URL. + var hash = document.location.hash.substring(1); + var hashParams = parseQueryString(hash); + if ('disableworker' in hashParams) { + PDFJS.disableWorker = hashParams['disableworker'] === 'true'; + } + if ('disablerange' in hashParams) { + PDFJS.disableRange = hashParams['disablerange'] === 'true'; + } + if ('disablestream' in hashParams) { + PDFJS.disableStream = hashParams['disablestream'] === 'true'; + } + if ('disableautofetch' in hashParams) { + PDFJS.disableAutoFetch = hashParams['disableautofetch'] === 'true'; + } + if ('disablefontface' in hashParams) { + PDFJS.disableFontFace = hashParams['disablefontface'] === 'true'; + } + if ('disablehistory' in hashParams) { + PDFJS.disableHistory = hashParams['disablehistory'] === 'true'; + } + if ('webgl' in hashParams) { + PDFJS.disableWebGL = hashParams['webgl'] !== 'true'; + } + if ('useonlycsszoom' in hashParams) { + PDFJS.useOnlyCssZoom = hashParams['useonlycsszoom'] === 'true'; + } + if ('verbosity' in hashParams) { + PDFJS.verbosity = hashParams['verbosity'] | 0; + } + if ('ignorecurrentpositiononzoom' in hashParams) { + PDFJS.ignoreCurrentPositionOnZoom = hashParams['ignorecurrentpositiononzoom'] === 'true'; + } + if ('textlayer' in hashParams) { + switch (hashParams['textlayer']) { + case 'off': + PDFJS.disableTextLayer = true; + break; + case 'visible': + case 'shadow': + case 'hover': + var viewer = appConfig.viewerContainer; + viewer.classList.add('textLayer-' + hashParams['textlayer']); + break; + } + } + if ('pdfbug' in hashParams) { + PDFJS.pdfBug = true; + var pdfBug = hashParams['pdfbug']; + var enabled = pdfBug.split(','); + waitForBeforeOpening.push(loadAndEnablePDFBug(enabled)); + } + } + if (!PDFViewerApplication.supportsDocumentFonts) { + PDFJS.disableFontFace = true; + console.warn(mozL10n.get('web_fonts_disabled', null, 'Web fonts are disabled: unable to use embedded PDF fonts.')); + } + if (!PDFViewerApplication.supportsPrinting) { + appConfig.toolbar.print.classList.add('hidden'); + appConfig.secondaryToolbar.printButton.classList.add('hidden'); + } + if (!PDFViewerApplication.supportsFullscreen) { + appConfig.toolbar.presentationModeButton.classList.add('hidden'); + appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden'); + } + if (PDFViewerApplication.supportsIntegratedFind) { + appConfig.toolbar.viewFind.classList.add('hidden'); + } + // Suppress context menus for some controls + appConfig.toolbar.scaleSelect.oncontextmenu = noContextMenuHandler; + appConfig.sidebar.mainContainer.addEventListener('transitionend', function (e) { + if (e.target === /* mainContainer */ + this) { + PDFViewerApplication.eventBus.dispatch('resize'); + } + }, true); + appConfig.sidebar.toggleButton.addEventListener('click', function () { + PDFViewerApplication.pdfSidebar.toggle(); + }); + appConfig.toolbar.previous.addEventListener('click', function () { + PDFViewerApplication.page--; + }); + appConfig.toolbar.next.addEventListener('click', function () { + PDFViewerApplication.page++; + }); + appConfig.toolbar.zoomIn.addEventListener('click', function () { + PDFViewerApplication.zoomIn(); + }); + appConfig.toolbar.zoomOut.addEventListener('click', function () { + PDFViewerApplication.zoomOut(); + }); + appConfig.toolbar.pageNumber.addEventListener('click', function () { + this.select(); + }); + appConfig.toolbar.pageNumber.addEventListener('change', function () { + var pdfViewer = PDFViewerApplication.pdfViewer; + pdfViewer.currentPageLabel = this.value; + // Ensure that the page number input displays the correct value, even if the + // value entered by the user was invalid (e.g. a floating point number). + if (this.value !== pdfViewer.currentPageNumber.toString() && this.value !== pdfViewer.currentPageLabel) { + PDFViewerApplication._updateUIToolbar({}); + } + }); + appConfig.toolbar.scaleSelect.addEventListener('change', function () { + if (this.value === 'custom') { + return; + } + PDFViewerApplication.pdfViewer.currentScaleValue = this.value; + }); + appConfig.toolbar.presentationModeButton.addEventListener('click', function (e) { + PDFViewerApplication.eventBus.dispatch('presentationmode'); + }); + appConfig.toolbar.openFile.addEventListener('click', function (e) { + PDFViewerApplication.eventBus.dispatch('openfile'); + }); + appConfig.toolbar.print.addEventListener('click', function (e) { + PDFViewerApplication.eventBus.dispatch('print'); + }); + appConfig.toolbar.download.addEventListener('click', function (e) { + PDFViewerApplication.eventBus.dispatch('download'); + }); + Promise.all(waitForBeforeOpening).then(function () { + webViewerOpenFileViaURL(file); + }).catch(function (reason) { + PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while opening.'), reason); + }); + } + var webViewerOpenFileViaURL; + webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) { + PDFViewerApplication.setTitleUsingUrl(file); + PDFViewerApplication.initPassiveLoading(); + }; + function webViewerPageRendered(e) { + var pageNumber = e.pageNumber; + var pageIndex = pageNumber - 1; + var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex); + // If the page is still visible when it has finished rendering, + // ensure that the page number input loading indicator is hidden. + if (pageNumber === PDFViewerApplication.page) { + var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber; + pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR); + } + // Prevent errors in the edge-case where the PDF document is removed *before* + // the 'pagerendered' event handler is invoked. + if (!pageView) { + return; + } + // Use the rendered page to set the corresponding thumbnail image. + if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) { + var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex); + thumbnailView.setImage(pageView); + } + if (pdfjsLib.PDFJS.pdfBug && Stats.enabled && pageView.stats) { + Stats.add(pageNumber, pageView.stats); + } + if (pageView.error) { + PDFViewerApplication.error(mozL10n.get('rendering_error', null, 'An error occurred while rendering the page.'), pageView.error); + } + PDFViewerApplication.externalServices.reportTelemetry({ type: 'pageInfo' }); + // It is a good time to report stream and font types. + PDFViewerApplication.pdfDocument.getStats().then(function (stats) { + PDFViewerApplication.externalServices.reportTelemetry({ + type: 'documentStats', + stats: stats + }); + }); + } + function webViewerTextLayerRendered(e) { + if (e.numTextDivs > 0 && !PDFViewerApplication.supportsDocumentColors) { + console.error(mozL10n.get('document_colors_not_allowed', null, 'PDF documents are not allowed to use their own colors: ' + '\'Allow pages to choose their own colors\' ' + 'is deactivated in the browser.')); + PDFViewerApplication.fallback(); + } + } + function webViewerPageMode(e) { + if (!PDFViewerApplication.initialized) { + return; + } + // Handle the 'pagemode' hash parameter, see also `PDFLinkService_setHash`. + var mode = e.mode, view; + switch (mode) { + case 'thumbs': + view = SidebarView.THUMBS; + break; + case 'bookmarks': + case 'outline': + view = SidebarView.OUTLINE; + break; + case 'attachments': + view = SidebarView.ATTACHMENTS; + break; + case 'none': + view = SidebarView.NONE; + break; + default: + console.error('Invalid "pagemode" hash parameter: ' + mode); + return; + } + PDFViewerApplication.pdfSidebar.switchView(view, /* forceOpen = */ + true); + } + function webViewerNamedAction(e) { + if (!PDFViewerApplication.initialized) { + return; + } + // Processing couple of named actions that might be useful. + // See also PDFLinkService.executeNamedAction + var action = e.action; + switch (action) { + case 'GoToPage': + PDFViewerApplication.appConfig.toolbar.pageNumber.select(); + break; + case 'Find': + if (!PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.findBar.toggle(); + } + break; + } + } + function webViewerPresentationModeChanged(e) { + var active = e.active; + var switchInProgress = e.switchInProgress; + PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? PresentationModeState.CHANGING : active ? PresentationModeState.FULLSCREEN : PresentationModeState.NORMAL; + } + function webViewerSidebarViewChanged(e) { + if (!PDFViewerApplication.initialized) { + return; + } + PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible; + var store = PDFViewerApplication.store; + if (!store || !PDFViewerApplication.isInitialViewSet) { + // Only update the storage when the document has been loaded *and* rendered. + return; + } + store.initializedPromise.then(function () { + store.set('sidebarView', e.view).catch(function () { + }); + }); + } + function webViewerUpdateViewarea(e) { + if (!PDFViewerApplication.initialized) { + return; + } + var location = e.location, store = PDFViewerApplication.store; + if (store) { + store.initializedPromise.then(function () { + store.setMultiple({ + 'exists': true, + 'page': location.pageNumber, + 'zoom': location.scale, + 'scrollLeft': location.left, + 'scrollTop': location.top + }).catch(function () { + }); + }); + } + var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams); + PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href; + PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href; + // Update the current bookmark in the browsing history. + PDFViewerApplication.pdfHistory.updateCurrentBookmark(location.pdfOpenParams, location.pageNumber); + // Show/hide the loading indicator in the page number input element. + var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber; + var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1); + if (currentPage.renderingState === RenderingStates.FINISHED) { + pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR); + } else { + pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR); + } + } + window.addEventListener('resize', function webViewerResize(evt) { + if (!PDFViewerApplication.eventBus) { + return; + } + PDFViewerApplication.eventBus.dispatch('resize'); + }); + function webViewerResize() { + if (PDFViewerApplication.initialized) { + var currentScaleValue = PDFViewerApplication.pdfViewer.currentScaleValue; + if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') { + // Note: the scale is constant for 'page-actual'. + PDFViewerApplication.pdfViewer.currentScaleValue = currentScaleValue; + } else if (!currentScaleValue) { + // Normally this shouldn't happen, but if the scale wasn't initialized + // we set it to the default value in order to prevent any issues. + // (E.g. the document being rendered with the wrong scale on load.) + PDFViewerApplication.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE; + } + PDFViewerApplication.pdfViewer.update(); + } + } + window.addEventListener('hashchange', function webViewerHashchange(evt) { + var hash = document.location.hash.substring(1); + PDFViewerApplication.eventBus.dispatch('hashchange', { hash: hash }); + }); + function webViewerHashchange(e) { + if (PDFViewerApplication.pdfHistory.isHashChangeUnlocked) { + var hash = e.hash; + if (!hash) { + return; + } + if (!PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.initialBookmark = hash; + } else { + PDFViewerApplication.pdfLinkService.setHash(hash); + } + } + } + var webViewerFileInputChange; + window.addEventListener('localized', function localized(evt) { + PDFViewerApplication.eventBus.dispatch('localized'); + }); + function webViewerLocalized() { + document.getElementsByTagName('html')[0].dir = mozL10n.getDirection(); + PDFViewerApplication.animationStartedPromise.then(function () { + // Adjust the width of the zoom box to fit the content. + // Note: If the window is narrow enough that the zoom box is not visible, + // we temporarily show it to be able to adjust its width. + var container = PDFViewerApplication.appConfig.toolbar.scaleSelectContainer; + if (container.clientWidth === 0) { + container.setAttribute('style', 'display: inherit;'); + } + if (container.clientWidth > 0) { + var select = PDFViewerApplication.appConfig.toolbar.scaleSelect; + select.setAttribute('style', 'min-width: inherit;'); + var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING; + select.setAttribute('style', 'min-width: ' + (width + SCALE_SELECT_PADDING) + 'px;'); + container.setAttribute('style', 'min-width: ' + width + 'px; ' + 'max-width: ' + width + 'px;'); + } + }); + } + function webViewerPresentationMode() { + PDFViewerApplication.requestPresentationMode(); + } + function webViewerOpenFile() { + var openFileInputName = PDFViewerApplication.appConfig.openFileInputName; + document.getElementById(openFileInputName).click(); + } + function webViewerPrint() { + window.print(); + } + function webViewerDownload() { + PDFViewerApplication.download(); + } + function webViewerFirstPage() { + if (PDFViewerApplication.pdfDocument) { + PDFViewerApplication.page = 1; + } + } + function webViewerLastPage() { + if (PDFViewerApplication.pdfDocument) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + } + } + function webViewerRotateCw() { + PDFViewerApplication.rotatePages(90); + } + function webViewerRotateCcw() { + PDFViewerApplication.rotatePages(-90); + } + function webViewerDocumentProperties() { + PDFViewerApplication.pdfDocumentProperties.open(); + } + function webViewerFind(e) { + PDFViewerApplication.findController.executeCommand('find' + e.type, { + query: e.query, + phraseSearch: e.phraseSearch, + caseSensitive: e.caseSensitive, + highlightAll: e.highlightAll, + findPrevious: e.findPrevious + }); + } + function webViewerFindFromUrlHash(e) { + PDFViewerApplication.findController.executeCommand('find', { + query: e.query, + phraseSearch: e.phraseSearch, + caseSensitive: false, + highlightAll: true, + findPrevious: false + }); + } + function webViewerScaleChanging(e) { + PDFViewerApplication._updateUIToolbar({ + scaleValue: e.presetValue, + scale: e.scale + }); + if (!PDFViewerApplication.initialized) { + return; + } + PDFViewerApplication.pdfViewer.update(); + } + function webViewerPageChanging(e) { + var page = e.pageNumber; + PDFViewerApplication._updateUIToolbar({ + pageNumber: page, + pageLabel: e.pageLabel + }); + if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) { + PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page); + } + // we need to update stats + if (pdfjsLib.PDFJS.pdfBug && Stats.enabled) { + var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1); + if (pageView.stats) { + Stats.add(page, pageView.stats); + } + } + } + var zoomDisabled = false, zoomDisabledTimeout; + function handleMouseWheel(evt) { + var pdfViewer = PDFViewerApplication.pdfViewer; + if (!pdfViewer || pdfViewer.isInPresentationMode) { + return; + } + if (evt.ctrlKey || evt.metaKey) { + var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys; + if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) { + return; + } + // Only zoom the pages, not the entire viewer. + evt.preventDefault(); + // NOTE: this check must be placed *after* preventDefault. + if (zoomDisabled) { + return; + } + var previousScale = pdfViewer.currentScale; + var delta = normalizeWheelEventDelta(evt); + var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0; + var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE; + if (ticks < 0) { + PDFViewerApplication.zoomOut(-ticks); + } else { + PDFViewerApplication.zoomIn(ticks); + } + var currentScale = pdfViewer.currentScale; + if (previousScale !== currentScale) { + // After scaling the page via zoomIn/zoomOut, the position of the upper- + // left corner is restored. When the mouse wheel is used, the position + // under the cursor should be restored instead. + var scaleCorrectionFactor = currentScale / previousScale - 1; + var rect = pdfViewer.container.getBoundingClientRect(); + var dx = evt.clientX - rect.left; + var dy = evt.clientY - rect.top; + pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor; + pdfViewer.container.scrollTop += dy * scaleCorrectionFactor; + } + } else { + zoomDisabled = true; + clearTimeout(zoomDisabledTimeout); + zoomDisabledTimeout = setTimeout(function () { + zoomDisabled = false; + }, 1000); + } + } + window.addEventListener('wheel', handleMouseWheel); + window.addEventListener('click', function click(evt) { + if (!PDFViewerApplication.secondaryToolbar.isOpen) { + return; + } + var appConfig = PDFViewerApplication.appConfig; + if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) { + PDFViewerApplication.secondaryToolbar.close(); + } + }, true); + window.addEventListener('keydown', function keydown(evt) { + if (OverlayManager.active) { + return; + } + var handled = false; + var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0); + var pdfViewer = PDFViewerApplication.pdfViewer; + var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode; + // First, handle the key bindings that are independent whether an input + // control is selected or not. + if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) { + // either CTRL or META key with optional SHIFT. + switch (evt.keyCode) { + case 70: + // f + if (!PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.findBar.open(); + handled = true; + } + break; + case 71: + // g + if (!PDFViewerApplication.supportsIntegratedFind) { + var findState = PDFViewerApplication.findController.state; + if (findState) { + PDFViewerApplication.findController.executeCommand('findagain', { + query: findState.query, + phraseSearch: findState.phraseSearch, + caseSensitive: findState.caseSensitive, + highlightAll: findState.highlightAll, + findPrevious: cmd === 5 || cmd === 12 + }); + } + handled = true; + } + break; + case 61: + // FF/Mac '=' + case 107: + // FF '+' and '=' + case 187: + // Chrome '+' + case 171: + // FF with German keyboard + if (!isViewerInPresentationMode) { + PDFViewerApplication.zoomIn(); + } + handled = true; + break; + case 173: + // FF/Mac '-' + case 109: + // FF '-' + case 189: + // Chrome '-' + if (!isViewerInPresentationMode) { + PDFViewerApplication.zoomOut(); + } + handled = true; + break; + case 48: + // '0' + case 96: + // '0' on Numpad of Swedish keyboard + if (!isViewerInPresentationMode) { + // keeping it unhandled (to restore page zoom to 100%) + setTimeout(function () { + // ... and resetting the scale after browser adjusts its scale + pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE; + }); + handled = false; + } + break; + } + } + // CTRL+ALT or Option+Command + if (cmd === 3 || cmd === 10) { + switch (evt.keyCode) { + case 80: + // p + PDFViewerApplication.requestPresentationMode(); + handled = true; + break; + case 71: + // g + // focuses input#pageNumber field + PDFViewerApplication.appConfig.toolbar.pageNumber.select(); + handled = true; + break; + } + } + if (handled) { + evt.preventDefault(); + return; + } + // Some shortcuts should not get handled if a control/input element + // is selected. + var curElement = document.activeElement || document.querySelector(':focus'); + var curElementTagName = curElement && curElement.tagName.toUpperCase(); + if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') { + // Make sure that the secondary toolbar is closed when Escape is pressed. + if (evt.keyCode !== 27) { + // 'Esc' + return; + } + } + var ensureViewerFocused = false; + if (cmd === 0) { + // no control key pressed at all. + switch (evt.keyCode) { + case 38: + // up arrow + case 33: + // pg up + case 8: + // backspace + if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') { + break; + } + /* in presentation mode */ + case 37: + // left arrow + // horizontal scrolling using arrow keys + if (pdfViewer.isHorizontalScrollbarEnabled) { + break; + } + case 75: + // 'k' + case 80: + // 'p' + if (PDFViewerApplication.page > 1) { + PDFViewerApplication.page--; + } + handled = true; + break; + case 27: + // esc key + if (PDFViewerApplication.secondaryToolbar.isOpen) { + PDFViewerApplication.secondaryToolbar.close(); + handled = true; + } + if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) { + PDFViewerApplication.findBar.close(); + handled = true; + } + break; + case 40: + // down arrow + case 34: + // pg down + case 32: + // spacebar + if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') { + break; + } + case 39: + // right arrow + // horizontal scrolling using arrow keys + if (pdfViewer.isHorizontalScrollbarEnabled) { + break; + } + case 74: + // 'j' + case 78: + // 'n' + if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page++; + } + handled = true; + break; + case 36: + // home + if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { + PDFViewerApplication.page = 1; + handled = true; + ensureViewerFocused = true; + } + break; + case 35: + // end + if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + handled = true; + ensureViewerFocused = true; + } + break; + case 72: + // 'h' + if (!isViewerInPresentationMode) { + PDFViewerApplication.handTool.toggle(); + } + break; + case 82: + // 'r' + PDFViewerApplication.rotatePages(90); + break; + } + } + if (cmd === 4) { + // shift-key + switch (evt.keyCode) { + case 32: + // spacebar + if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') { + break; + } + if (PDFViewerApplication.page > 1) { + PDFViewerApplication.page--; + } + handled = true; + break; + case 82: + // 'r' + PDFViewerApplication.rotatePages(-90); + break; + } + } + if (!handled && !isViewerInPresentationMode) { + // 33=Page Up 34=Page Down 35=End 36=Home + // 37=Left 38=Up 39=Right 40=Down + // 32=Spacebar + if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') { + ensureViewerFocused = true; + } + } + if (cmd === 2) { + // alt-key + switch (evt.keyCode) { + case 37: + // left arrow + if (isViewerInPresentationMode) { + PDFViewerApplication.pdfHistory.back(); + handled = true; + } + break; + case 39: + // right arrow + if (isViewerInPresentationMode) { + PDFViewerApplication.pdfHistory.forward(); + handled = true; + } + break; + } + } + if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) { + // The page container is not focused, but a page navigation key has been + // pressed. Change the focus to the viewer container to make sure that + // navigation by keyboard works as expected. + pdfViewer.focus(); + } + if (handled) { + evt.preventDefault(); + } + }); + window.addEventListener('beforeprint', function beforePrint(evt) { + PDFViewerApplication.eventBus.dispatch('beforeprint'); + }); + window.addEventListener('afterprint', function afterPrint(evt) { + PDFViewerApplication.eventBus.dispatch('afterprint'); + }); + (function animationStartedClosure() { + // The offsetParent is not set until the pdf.js iframe or object is visible. + // Waiting for first animation. + PDFViewerApplication.animationStartedPromise = new Promise(function (resolve) { + window.requestAnimationFrame(resolve); + }); + }()); + /* Abstract factory for the print service. */ + var PDFPrintServiceFactory = { + instance: { + supportsPrinting: false, + createPrintService: function () { + throw new Error('Not implemented: createPrintService'); + } + } + }; + exports.PDFViewerApplication = PDFViewerApplication; + exports.DefaultExernalServices = DefaultExernalServices; + exports.PDFPrintServiceFactory = PDFPrintServiceFactory; + })); + (function (root, factory) { + factory(root.pdfjsWebFirefoxPrintService = {}, root.pdfjsWebUIUtils, root.pdfjsWebApp, root.pdfjsWebPDFJS); + }(this, function (exports, uiUtils, app, pdfjsLib) { + var CSS_UNITS = uiUtils.CSS_UNITS; + var PDFPrintServiceFactory = app.PDFPrintServiceFactory; + // Creates a placeholder with div and canvas with right size for the page. + function composePage(pdfDocument, pageNumber, size, printContainer) { + var canvas = document.createElement('canvas'); + // The size of the canvas in pixels for printing. + var PRINT_RESOLUTION = 150; + var PRINT_UNITS = PRINT_RESOLUTION / 72.0; + canvas.width = Math.floor(size.width * PRINT_UNITS); + canvas.height = Math.floor(size.height * PRINT_UNITS); + // The physical size of the canvas as specified by the PDF document. + canvas.style.width = Math.floor(size.width * CSS_UNITS) + 'px'; + canvas.style.height = Math.floor(size.height * CSS_UNITS) + 'px'; + var canvasWrapper = document.createElement('div'); + canvasWrapper.appendChild(canvas); + printContainer.appendChild(canvasWrapper); + canvas.mozPrintCallback = function (obj) { + // Printing/rendering the page. + var ctx = obj.context; + ctx.save(); + ctx.fillStyle = 'rgb(255, 255, 255)'; + ctx.fillRect(0, 0, canvas.width, canvas.height); + ctx.restore(); + pdfDocument.getPage(pageNumber).then(function (pdfPage) { + var renderContext = { + canvasContext: ctx, + transform: [ + PRINT_UNITS, + 0, + 0, + PRINT_UNITS, + 0, + 0 + ], + viewport: pdfPage.getViewport(1), + intent: 'print' + }; + return pdfPage.render(renderContext).promise; + }).then(function () { + // Tell the printEngine that rendering this canvas/page has finished. + obj.done(); + }, function (error) { + console.error(error); + // Tell the printEngine that rendering this canvas/page has failed. + // This will make the print process stop. + if ('abort' in obj) { + obj.abort(); + } else { + obj.done(); + } + }); + }; + } + function FirefoxPrintService(pdfDocument, pagesOverview, printContainer) { + this.pdfDocument = pdfDocument; + this.pagesOverview = pagesOverview; + this.printContainer = printContainer; + } + FirefoxPrintService.prototype = { + layout: function () { + var pdfDocument = this.pdfDocument; + var printContainer = this.printContainer; + var body = document.querySelector('body'); + body.setAttribute('data-pdfjsprinting', true); + for (var i = 0, ii = this.pagesOverview.length; i < ii; ++i) { + composePage(pdfDocument, i + 1, this.pagesOverview[i], printContainer); + } + }, + destroy: function () { + this.printContainer.textContent = ''; + } + }; + PDFPrintServiceFactory.instance = { + get supportsPrinting() { + var canvas = document.createElement('canvas'); + var value = 'mozPrintCallback' in canvas; + return pdfjsLib.shadow(this, 'supportsPrinting', value); + }, + createPrintService: function (pdfDocument, pagesOverview, printContainer) { + return new FirefoxPrintService(pdfDocument, pagesOverview, printContainer); + } + }; + exports.FirefoxPrintService = FirefoxPrintService; + })); + (function (root, factory) { + factory(root.pdfjsWebFirefoxCom = {}, root.pdfjsWebPreferences, root.pdfjsWebApp, root.pdfjsWebPDFJS); + }(this, function (exports, preferences, app, pdfjsLib) { + var Preferences = preferences.Preferences; + var PDFViewerApplication = app.PDFViewerApplication; + var FirefoxCom = function FirefoxComClosure() { + return { + /** + * Creates an event that the extension is listening for and will + * synchronously respond to. + * NOTE: It is reccomended to use request() instead since one day we may not + * be able to synchronously reply. + * @param {String} action The action to trigger. + * @param {String} data Optional data to send. + * @return {*} The response. + */ + requestSync: function (action, data) { + var request = document.createTextNode(''); + document.documentElement.appendChild(request); + var sender = document.createEvent('CustomEvent'); + sender.initCustomEvent('pdf.js.message', true, false, { + action: action, + data: data, + sync: true + }); + request.dispatchEvent(sender); + var response = sender.detail.response; + document.documentElement.removeChild(request); + return response; + }, + /** + * Creates an event that the extension is listening for and will + * asynchronously respond by calling the callback. + * @param {String} action The action to trigger. + * @param {String} data Optional data to send. + * @param {Function} callback Optional response callback that will be called + * with one data argument. + */ + request: function (action, data, callback) { + var request = document.createTextNode(''); + if (callback) { + document.addEventListener('pdf.js.response', function listener(event) { + var node = event.target; + var response = event.detail.response; + document.documentElement.removeChild(node); + document.removeEventListener('pdf.js.response', listener, false); + return callback(response); + }, false); + } + document.documentElement.appendChild(request); + var sender = document.createEvent('CustomEvent'); + sender.initCustomEvent('pdf.js.message', true, false, { + action: action, + data: data, + sync: false, + responseExpected: !!callback + }); + return request.dispatchEvent(sender); + } + }; + }(); + var DownloadManager = function DownloadManagerClosure() { + function DownloadManager() { + } + DownloadManager.prototype = { + downloadUrl: function DownloadManager_downloadUrl(url, filename) { + FirefoxCom.request('download', { + originalUrl: url, + filename: filename + }); + }, + downloadData: function DownloadManager_downloadData(data, filename, contentType) { + var blobUrl = pdfjsLib.createObjectURL(data, contentType, false); + FirefoxCom.request('download', { + blobUrl: blobUrl, + originalUrl: blobUrl, + filename: filename, + isAttachment: true + }); + }, + download: function DownloadManager_download(blob, url, filename) { + var blobUrl = window.URL.createObjectURL(blob); + FirefoxCom.request('download', { + blobUrl: blobUrl, + originalUrl: url, + filename: filename + }, function response(err) { + if (err && this.onerror) { + this.onerror(err); + } + window.URL.revokeObjectURL(blobUrl); + }.bind(this)); + } + }; + return DownloadManager; + }(); + Preferences._writeToStorage = function (prefObj) { + return new Promise(function (resolve) { + FirefoxCom.request('setPreferences', prefObj, resolve); + }); + }; + Preferences._readFromStorage = function (prefObj) { + return new Promise(function (resolve) { + FirefoxCom.request('getPreferences', prefObj, function (prefStr) { + var readPrefs = JSON.parse(prefStr); + resolve(readPrefs); + }); + }); + }; + (function listenFindEvents() { + var events = [ + 'find', + 'findagain', + 'findhighlightallchange', + 'findcasesensitivitychange' + ]; + var handleEvent = function (evt) { + if (!PDFViewerApplication.initialized) { + return; + } + PDFViewerApplication.eventBus.dispatch('find', { + source: window, + type: evt.type.substring('find'.length), + query: evt.detail.query, + phraseSearch: true, + caseSensitive: !!evt.detail.caseSensitive, + highlightAll: !!evt.detail.highlightAll, + findPrevious: !!evt.detail.findPrevious + }); + }.bind(this); + for (var i = 0, len = events.length; i < len; i++) { + window.addEventListener(events[i], handleEvent); + } + }()); + function FirefoxComDataRangeTransport(length, initialData) { + pdfjsLib.PDFDataRangeTransport.call(this, length, initialData); + } + FirefoxComDataRangeTransport.prototype = Object.create(pdfjsLib.PDFDataRangeTransport.prototype); + FirefoxComDataRangeTransport.prototype.requestDataRange = function FirefoxComDataRangeTransport_requestDataRange(begin, end) { + FirefoxCom.request('requestDataRange', { + begin: begin, + end: end + }); + }; + FirefoxComDataRangeTransport.prototype.abort = function FirefoxComDataRangeTransport_abort() { + // Sync call to ensure abort is really started. + FirefoxCom.requestSync('abortLoading', null); + }; + PDFViewerApplication.externalServices = { + updateFindControlState: function (data) { + FirefoxCom.request('updateFindControlState', data); + }, + initPassiveLoading: function (callbacks) { + var pdfDataRangeTransport; + window.addEventListener('message', function windowMessage(e) { + if (e.source !== null) { + // The message MUST originate from Chrome code. + console.warn('Rejected untrusted message from ' + e.origin); + return; + } + var args = e.data; + if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) { + return; + } + switch (args.pdfjsLoadAction) { + case 'supportsRangedLoading': + pdfDataRangeTransport = new FirefoxComDataRangeTransport(args.length, args.data); + callbacks.onOpenWithTransport(args.pdfUrl, args.length, pdfDataRangeTransport); + break; + case 'range': + pdfDataRangeTransport.onDataRange(args.begin, args.chunk); + break; + case 'rangeProgress': + pdfDataRangeTransport.onDataProgress(args.loaded); + break; + case 'progressiveRead': + pdfDataRangeTransport.onDataProgressiveRead(args.chunk); + break; + case 'progress': + callbacks.onProgress(args.loaded, args.total); + break; + case 'complete': + if (!args.data) { + callbacks.onError(args.errorCode); + break; + } + callbacks.onOpenWithData(args.data); + break; + } + }); + FirefoxCom.requestSync('initPassiveLoading', null); + }, + fallback: function (data, callback) { + FirefoxCom.request('fallback', data, callback); + }, + reportTelemetry: function (data) { + FirefoxCom.request('reportTelemetry', JSON.stringify(data)); + }, + createDownloadManager: function () { + return new DownloadManager(); + }, + get supportsIntegratedFind() { + var support = FirefoxCom.requestSync('supportsIntegratedFind'); + return pdfjsLib.shadow(this, 'supportsIntegratedFind', support); + }, + get supportsDocumentFonts() { + var support = FirefoxCom.requestSync('supportsDocumentFonts'); + return pdfjsLib.shadow(this, 'supportsDocumentFonts', support); + }, + get supportsDocumentColors() { + var support = FirefoxCom.requestSync('supportsDocumentColors'); + return pdfjsLib.shadow(this, 'supportsDocumentColors', support); + }, + get supportedMouseWheelZoomModifierKeys() { + var support = FirefoxCom.requestSync('supportedMouseWheelZoomModifierKeys'); + return pdfjsLib.shadow(this, 'supportedMouseWheelZoomModifierKeys', support); + } + }; + //// l10n.js for Firefox extension expects services to be set. + document.mozL10n.setExternalLocalizerServices({ + getLocale: function () { + return FirefoxCom.requestSync('getLocale', null); + }, + getStrings: function (key) { + return FirefoxCom.requestSync('getStrings', key); + } + }); + exports.DownloadManager = DownloadManager; + exports.FirefoxCom = FirefoxCom; + })); + }.call(pdfjsWebLibs)); +} +{ + // FIXME the l10n.js file in the Firefox extension needs global FirefoxCom. + window.FirefoxCom = pdfjsWebLibs.pdfjsWebFirefoxCom.FirefoxCom; +} +function getViewerConfiguration() { + return { + appContainer: document.body, + mainContainer: document.getElementById('viewerContainer'), + viewerContainer: document.getElementById('viewer'), + eventBus: null, + // using global event bus with DOM events + toolbar: { + container: document.getElementById('toolbarViewer'), + numPages: document.getElementById('numPages'), + pageNumber: document.getElementById('pageNumber'), + scaleSelectContainer: document.getElementById('scaleSelectContainer'), + scaleSelect: document.getElementById('scaleSelect'), + customScaleOption: document.getElementById('customScaleOption'), + previous: document.getElementById('previous'), + next: document.getElementById('next'), + firstPage: document.getElementById('firstPage'), + lastPage: document.getElementById('lastPage'), + zoomIn: document.getElementById('zoomIn'), + zoomOut: document.getElementById('zoomOut'), + viewFind: document.getElementById('viewFind'), + openFile: document.getElementById('openFile'), + print: document.getElementById('print'), + presentationModeButton: document.getElementById('presentationMode'), + download: document.getElementById('download'), + viewBookmark: document.getElementById('viewBookmark') + }, + secondaryToolbar: { + toolbar: document.getElementById('secondaryToolbar'), + toggleButton: document.getElementById('secondaryToolbarToggle'), + toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'), + presentationModeButton: document.getElementById('secondaryPresentationMode'), + openFileButton: document.getElementById('secondaryOpenFile'), + printButton: document.getElementById('secondaryPrint'), + downloadButton: document.getElementById('secondaryDownload'), + viewBookmarkButton: document.getElementById('secondaryViewBookmark'), + firstPageButton: document.getElementById('firstPage'), + lastPageButton: document.getElementById('lastPage'), + pageRotateCwButton: document.getElementById('pageRotateCw'), + pageRotateCcwButton: document.getElementById('pageRotateCcw'), + toggleHandToolButton: document.getElementById('toggleHandTool'), + documentPropertiesButton: document.getElementById('documentProperties') + }, + fullscreen: { + contextFirstPage: document.getElementById('contextFirstPage'), + contextLastPage: document.getElementById('contextLastPage'), + contextPageRotateCw: document.getElementById('contextPageRotateCw'), + contextPageRotateCcw: document.getElementById('contextPageRotateCcw') + }, + sidebar: { + // Divs (and sidebar button) + mainContainer: document.getElementById('mainContainer'), + outerContainer: document.getElementById('outerContainer'), + toggleButton: document.getElementById('sidebarToggle'), + // Buttons + thumbnailButton: document.getElementById('viewThumbnail'), + outlineButton: document.getElementById('viewOutline'), + attachmentsButton: document.getElementById('viewAttachments'), + // Views + thumbnailView: document.getElementById('thumbnailView'), + outlineView: document.getElementById('outlineView'), + attachmentsView: document.getElementById('attachmentsView') + }, + findBar: { + bar: document.getElementById('findbar'), + toggleButton: document.getElementById('viewFind'), + findField: document.getElementById('findInput'), + highlightAllCheckbox: document.getElementById('findHighlightAll'), + caseSensitiveCheckbox: document.getElementById('findMatchCase'), + findMsg: document.getElementById('findMsg'), + findResultsCount: document.getElementById('findResultsCount'), + findStatusIcon: document.getElementById('findStatusIcon'), + findPreviousButton: document.getElementById('findPrevious'), + findNextButton: document.getElementById('findNext') + }, + passwordOverlay: { + overlayName: 'passwordOverlay', + container: document.getElementById('passwordOverlay'), + label: document.getElementById('passwordText'), + input: document.getElementById('password'), + submitButton: document.getElementById('passwordSubmit'), + cancelButton: document.getElementById('passwordCancel') + }, + documentProperties: { + overlayName: 'documentPropertiesOverlay', + container: document.getElementById('documentPropertiesOverlay'), + closeButton: document.getElementById('documentPropertiesClose'), + fields: { + 'fileName': document.getElementById('fileNameField'), + 'fileSize': document.getElementById('fileSizeField'), + 'title': document.getElementById('titleField'), + 'author': document.getElementById('authorField'), + 'subject': document.getElementById('subjectField'), + 'keywords': document.getElementById('keywordsField'), + 'creationDate': document.getElementById('creationDateField'), + 'modificationDate': document.getElementById('modificationDateField'), + 'creator': document.getElementById('creatorField'), + 'producer': document.getElementById('producerField'), + 'version': document.getElementById('versionField'), + 'pageCount': document.getElementById('pageCountField') + } + }, + errorWrapper: { + container: document.getElementById('errorWrapper'), + errorMessage: document.getElementById('errorMessage'), + closeButton: document.getElementById('errorClose'), + errorMoreInfo: document.getElementById('errorMoreInfo'), + moreInfoButton: document.getElementById('errorShowMore'), + lessInfoButton: document.getElementById('errorShowLess') + }, + printContainer: document.getElementById('printContainer'), + openFileInputName: 'fileInput', + debuggerScriptPath: './debugger.js' + }; +} +function webViewerLoad() { + var config = getViewerConfiguration(); + window.PDFViewerApplication = pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication; + pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication.run(config); +} +document.addEventListener('DOMContentLoaded', webViewerLoad, true);
\ No newline at end of file diff --git a/browser/extensions/pdfjs/jar.mn b/browser/extensions/pdfjs/jar.mn new file mode 100644 index 000000000..ca1148155 --- /dev/null +++ b/browser/extensions/pdfjs/jar.mn @@ -0,0 +1,3 @@ +pdfjs.jar: +% resource pdf.js %content/ + content/ (content/*) diff --git a/browser/extensions/pdfjs/moz.build b/browser/extensions/pdfjs/moz.build new file mode 100644 index 000000000..a1d2634da --- /dev/null +++ b/browser/extensions/pdfjs/moz.build @@ -0,0 +1,9 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +BROWSER_CHROME_MANIFESTS += ['test/browser.ini'] + +JAR_MANIFESTS += ['jar.mn'] diff --git a/browser/extensions/pdfjs/test/.eslintrc.js b/browser/extensions/pdfjs/test/.eslintrc.js new file mode 100644 index 000000000..c764b133d --- /dev/null +++ b/browser/extensions/pdfjs/test/.eslintrc.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = { + "extends": [ + "../../../../testing/mochitest/browser.eslintrc.js" + ] +}; diff --git a/browser/extensions/pdfjs/test/browser.ini b/browser/extensions/pdfjs/test/browser.ini new file mode 100644 index 000000000..fb4aa9afc --- /dev/null +++ b/browser/extensions/pdfjs/test/browser.ini @@ -0,0 +1,10 @@ +[DEFAULT] +support-files = + file_pdfjs_test.pdf + head.js + +[browser_pdfjs_main.js] +[browser_pdfjs_navigation.js] +[browser_pdfjs_savedialog.js] +[browser_pdfjs_views.js] +[browser_pdfjs_zoom.js] diff --git a/browser/extensions/pdfjs/test/browser_pdfjs_main.js b/browser/extensions/pdfjs/test/browser_pdfjs_main.js new file mode 100644 index 000000000..9660e92c1 --- /dev/null +++ b/browser/extensions/pdfjs/test/browser_pdfjs_main.js @@ -0,0 +1,67 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +const RELATIVE_DIR = "browser/extensions/pdfjs/test/"; +const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR; + +add_task(function* test() { + let handlerService = Cc["@mozilla.org/uriloader/handler-service;1"].getService(Ci.nsIHandlerService); + let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService); + let handlerInfo = mimeService.getFromTypeAndExtension('application/pdf', 'pdf'); + + // Make sure pdf.js is the default handler. + is(handlerInfo.alwaysAskBeforeHandling, false, 'pdf handler defaults to always-ask is false'); + is(handlerInfo.preferredAction, Ci.nsIHandlerInfo.handleInternally, 'pdf handler defaults to internal'); + + info('Pref action: ' + handlerInfo.preferredAction); + + yield BrowserTestUtils.withNewTab({ gBrowser: gBrowser, url: "about:blank" }, + function* (newTabBrowser) { + yield waitForPdfJS(newTabBrowser, TESTROOT + "file_pdfjs_test.pdf"); + + ok(gBrowser.isFindBarInitialized(), "Browser FindBar initialized!"); + + yield ContentTask.spawn(newTabBrowser, null, function* () { + // + // Overall sanity tests + // + Assert.ok(content.document.querySelector('div#viewer'), "document content has viewer UI"); + Assert.ok('PDFJS' in content.wrappedJSObject, "window content has PDFJS object"); + + // + // Sidebar: open + // + var sidebar = content.document.querySelector('button#sidebarToggle'), + outerContainer = content.document.querySelector('div#outerContainer'); + + sidebar.click(); + Assert.ok(outerContainer.classList.contains('sidebarOpen'), "sidebar opens on click"); + + // + // Sidebar: close + // + sidebar.click(); + Assert.ok(!outerContainer.classList.contains('sidebarOpen'), "sidebar closes on click"); + + // + // Page change from prev/next buttons + // + var prevPage = content.document.querySelector('button#previous'), + nextPage = content.document.querySelector('button#next'); + + var pgNumber = content.document.querySelector('input#pageNumber').value; + Assert.equal(parseInt(pgNumber, 10), 1, "initial page is 1"); + + // + // Bookmark button + // + var viewBookmark = content.document.querySelector('a#viewBookmark'); + viewBookmark.click(); + + Assert.ok(viewBookmark.href.length > 0, "viewBookmark button has href"); + + var viewer = content.wrappedJSObject.PDFViewerApplication; + yield viewer.close(); + }); + }); +}); diff --git a/browser/extensions/pdfjs/test/browser_pdfjs_navigation.js b/browser/extensions/pdfjs/test/browser_pdfjs_navigation.js new file mode 100644 index 000000000..b01a87ec8 --- /dev/null +++ b/browser/extensions/pdfjs/test/browser_pdfjs_navigation.js @@ -0,0 +1,283 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +requestLongerTimeout(2); + +Components.utils.import("resource://gre/modules/Promise.jsm", this); + +const RELATIVE_DIR = "browser/extensions/pdfjs/test/"; +const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR; + +const PDF_OUTLINE_ITEMS = 17; +const TESTS = [ + { + action: { + selector: "button#next", + event: "click" + }, + expectedPage: 2, + message: "navigated to next page using NEXT button" + + }, + { + action: { + selector: "button#previous", + event: "click" + }, + expectedPage: 1, + message: "navigated to previous page using PREV button" + }, + { + action: { + selector: "button#next", + event: "click" + }, + expectedPage: 2, + message: "navigated to next page using NEXT button" + }, + { + action: { + selector: "input#pageNumber", + value: 1, + event: "change" + }, + expectedPage: 1, + message: "navigated to first page using pagenumber" + }, + { + action: { + selector: "#thumbnailView a:nth-child(4)", + event: "click" + }, + expectedPage: 4, + message: "navigated to 4th page using thumbnail view" + }, + { + action: { + selector: "#thumbnailView a:nth-child(2)", + event: "click" + }, + expectedPage: 2, + message: "navigated to 2nd page using thumbnail view" + }, + { + action: { + selector: "#viewer", + event: "keydown", + keyCode: 36 + }, + expectedPage: 1, + message: "navigated to 1st page using 'home' key" + }, + { + action: { + selector: "#viewer", + event: "keydown", + keyCode: 34 + }, + expectedPage: 2, + message: "navigated to 2nd page using 'Page Down' key" + }, + { + action: { + selector: "#viewer", + event: "keydown", + keyCode: 33 + }, + expectedPage: 1, + message: "navigated to 1st page using 'Page Up' key" + }, + { + action: { + selector: "#viewer", + event: "keydown", + keyCode: 39 + }, + expectedPage: 2, + message: "navigated to 2nd page using 'right' key" + }, + { + action: { + selector: "#viewer", + event: "keydown", + keyCode: 37 + }, + expectedPage: 1, + message: "navigated to 1st page using 'left' key" + }, + { + action: { + selector: "#viewer", + event: "keydown", + keyCode: 35 + }, + expectedPage: 5, + message: "navigated to last page using 'home' key" + }, + { + action: { + selector: ".outlineItem:nth-child(1) a", + event: "click" + }, + expectedPage: 1, + message: "navigated to 1st page using outline view" + }, + { + action: { + selector: ".outlineItem:nth-child(" + PDF_OUTLINE_ITEMS + ") a", + event: "click" + }, + expectedPage: 4, + message: "navigated to 4th page using outline view" + }, + { + action: { + selector: "input#pageNumber", + value: 5, + event: "change" + }, + expectedPage: 5, + message: "navigated to 5th page using pagenumber" + } +]; + +add_task(function* test() { + let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService); + let handlerInfo = mimeService.getFromTypeAndExtension('application/pdf', 'pdf'); + + // Make sure pdf.js is the default handler. + is(handlerInfo.alwaysAskBeforeHandling, false, 'pdf handler defaults to always-ask is false'); + is(handlerInfo.preferredAction, Ci.nsIHandlerInfo.handleInternally, 'pdf handler defaults to internal'); + + info('Pref action: ' + handlerInfo.preferredAction); + + yield BrowserTestUtils.withNewTab({ gBrowser, url: "about:blank" }, + function* (newTabBrowser) { + yield waitForPdfJS(newTabBrowser, TESTROOT + "file_pdfjs_test.pdf"); + + yield ContentTask.spawn(newTabBrowser, null, function* () { + // Check if PDF is opened with internal viewer + Assert.ok(content.document.querySelector("div#viewer"), "document content has viewer UI"); + Assert.ok("PDFJS" in content.wrappedJSObject, "window content has PDFJS object"); + }); + + yield ContentTask.spawn(newTabBrowser, null, contentSetUp); + + yield Task.spawn(runTests(newTabBrowser)); + + yield ContentTask.spawn(newTabBrowser, null, function*() { + let pageNumber = content.document.querySelector('input#pageNumber'); + Assert.equal(pageNumber.value, pageNumber.max, "Document is left on the last page"); + }); + }); +}); + +function* contentSetUp() { + /** + * Outline Items gets appended to the document later on we have to + * wait for them before we start to navigate though document + * + * @param document + * @returns {deferred.promise|*} + */ + function waitForOutlineItems(document) { + return new Promise((resolve, reject) => { + document.addEventListener("outlineloaded", function outlineLoaded(evt) { + document.removeEventListener("outlineloaded", outlineLoaded); + var outlineCount = evt.detail.outlineCount; + + if (document.querySelectorAll(".outlineItem").length === outlineCount) { + resolve(); + } else { + reject(); + } + }); + }); + } + + /** + * The key navigation has to happen in page-fit, otherwise it won't scroll + * through a complete page + * + * @param document + * @returns {deferred.promise|*} + */ + function setZoomToPageFit(document) { + return new Promise((resolve) => { + document.addEventListener("pagerendered", function onZoom(e) { + document.removeEventListener("pagerendered", onZoom); + document.querySelector("#viewer").click(); + resolve(); + }); + + var select = document.querySelector("select#scaleSelect"); + select.selectedIndex = 2; + select.dispatchEvent(new Event("change")); + }); + } + + yield waitForOutlineItems(content.document); + yield setZoomToPageFit(content.document); +} + +/** + * As the page changes asynchronously, we have to wait for the event after + * we trigger the action so we will be at the expected page number after each action + * + * @param document + * @param window + * @param test + * @param callback + */ +function* runTests(browser) { + yield ContentTask.spawn(browser, TESTS, function* (TESTS) { + let window = content; + let document = window.document; + + for (let test of TESTS) { + let deferred = {}; + deferred.promise = new Promise((resolve, reject) => { + deferred.resolve = resolve; + deferred.reject = reject; + }); + + let pageNumber = document.querySelector('input#pageNumber'); + + // Add an event-listener to wait for page to change, afterwards resolve the promise + let timeout = window.setTimeout(() => deferred.reject(), 5000); + window.addEventListener('pagechange', function pageChange() { + if (pageNumber.value == test.expectedPage) { + window.removeEventListener('pagechange', pageChange); + window.clearTimeout(timeout); + deferred.resolve(+pageNumber.value); + } + }); + + // Get the element and trigger the action for changing the page + var el = document.querySelector(test.action.selector); + Assert.ok(el, "Element '" + test.action.selector + "' has been found"); + + // The value option is for input case + if (test.action.value) + el.value = test.action.value; + + // Dispatch the event for changing the page + if (test.action.event == "keydown") { + var ev = document.createEvent("KeyboardEvent"); + ev.initKeyEvent("keydown", true, true, null, false, false, false, false, + test.action.keyCode, 0); + el.dispatchEvent(ev); + } + else { + var ev = new Event(test.action.event); + } + el.dispatchEvent(ev); + + let pgNumber = yield deferred.promise; + Assert.equal(pgNumber, test.expectedPage, test.message); + } + + var viewer = content.wrappedJSObject.PDFViewerApplication; + yield viewer.close(); + }); +} diff --git a/browser/extensions/pdfjs/test/browser_pdfjs_savedialog.js b/browser/extensions/pdfjs/test/browser_pdfjs_savedialog.js new file mode 100644 index 000000000..a6564e591 --- /dev/null +++ b/browser/extensions/pdfjs/test/browser_pdfjs_savedialog.js @@ -0,0 +1,65 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +const RELATIVE_DIR = "browser/extensions/pdfjs/test/"; +const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR; + +function test() { + var oldAction = changeMimeHandler(Ci.nsIHandlerInfo.useSystemDefault, true); + var tab = gBrowser.addTab(TESTROOT + "file_pdfjs_test.pdf"); + // + // Test: "Open with" dialog comes up when pdf.js is not selected as the default + // handler. + // + addWindowListener('chrome://mozapps/content/downloads/unknownContentType.xul', finish); + + waitForExplicitFinish(); + registerCleanupFunction(function() { + changeMimeHandler(oldAction[0], oldAction[1]); + gBrowser.removeTab(tab); + }); +} + +function changeMimeHandler(preferredAction, alwaysAskBeforeHandling) { + let handlerService = Cc["@mozilla.org/uriloader/handler-service;1"].getService(Ci.nsIHandlerService); + let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService); + let handlerInfo = mimeService.getFromTypeAndExtension('application/pdf', 'pdf'); + var oldAction = [handlerInfo.preferredAction, handlerInfo.alwaysAskBeforeHandling]; + + // Change and save mime handler settings + handlerInfo.alwaysAskBeforeHandling = alwaysAskBeforeHandling; + handlerInfo.preferredAction = preferredAction; + handlerService.store(handlerInfo); + + Services.obs.notifyObservers(null, 'pdfjs:handlerChanged', null); + + // Refresh data + handlerInfo = mimeService.getFromTypeAndExtension('application/pdf', 'pdf'); + + // + // Test: Mime handler was updated + // + is(handlerInfo.alwaysAskBeforeHandling, alwaysAskBeforeHandling, 'always-ask prompt change successful'); + is(handlerInfo.preferredAction, preferredAction, 'mime handler change successful'); + + return oldAction; +} + +function addWindowListener(aURL, aCallback) { + Services.wm.addListener({ + onOpenWindow: function(aXULWindow) { + info("window opened, waiting for focus"); + Services.wm.removeListener(this); + + var domwindow = aXULWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDOMWindow); + waitForFocus(function() { + is(domwindow.document.location.href, aURL, "should have seen the right window open"); + domwindow.close(); + aCallback(); + }, domwindow); + }, + onCloseWindow: function(aXULWindow) { }, + onWindowTitleChange: function(aXULWindow, aNewTitle) { } + }); +} diff --git a/browser/extensions/pdfjs/test/browser_pdfjs_views.js b/browser/extensions/pdfjs/test/browser_pdfjs_views.js new file mode 100644 index 000000000..d14503e41 --- /dev/null +++ b/browser/extensions/pdfjs/test/browser_pdfjs_views.js @@ -0,0 +1,67 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +const RELATIVE_DIR = "browser/extensions/pdfjs/test/"; +const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR; + +add_task(function* test() { + let handlerService = Cc["@mozilla.org/uriloader/handler-service;1"].getService(Ci.nsIHandlerService); + let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService); + let handlerInfo = mimeService.getFromTypeAndExtension('application/pdf', 'pdf'); + + // Make sure pdf.js is the default handler. + is(handlerInfo.alwaysAskBeforeHandling, false, 'pdf handler defaults to always-ask is false'); + is(handlerInfo.preferredAction, Ci.nsIHandlerInfo.handleInternally, 'pdf handler defaults to internal'); + + info('Pref action: ' + handlerInfo.preferredAction); + + yield BrowserTestUtils.withNewTab({ gBrowser, url: "about:blank" }, + function* (browser) { + // check that PDF is opened with internal viewer + yield waitForPdfJS(browser, TESTROOT + "file_pdfjs_test.pdf"); + + yield ContentTask.spawn(browser, null, function* () { + Assert.ok(content.document.querySelector("div#viewer"), "document content has viewer UI"); + Assert.ok("PDFJS" in content.wrappedJSObject, "window content has PDFJS object"); + + //open sidebar + var sidebar = content.document.querySelector('button#sidebarToggle'); + var outerContainer = content.document.querySelector('div#outerContainer'); + + sidebar.click(); + Assert.ok(outerContainer.classList.contains("sidebarOpen"), "sidebar opens on click"); + + // check that thumbnail view is open + var thumbnailView = content.document.querySelector('div#thumbnailView'); + var outlineView = content.document.querySelector('div#outlineView'); + + Assert.equal(thumbnailView.getAttribute("class"), null, + "Initial view is thumbnail view"); + Assert.equal(outlineView.getAttribute("class"), "hidden", + "Outline view is hidden initially"); + + //switch to outline view + var viewOutlineButton = content.document.querySelector('button#viewOutline'); + viewOutlineButton.click(); + + Assert.equal(thumbnailView.getAttribute("class"), "hidden", + "Thumbnail view is hidden when outline is selected"); + Assert.equal(outlineView.getAttribute("class"), "", + "Outline view is visible when selected"); + + //switch back to thumbnail view + var viewThumbnailButton = content.document.querySelector('button#viewThumbnail'); + viewThumbnailButton.click(); + + Assert.equal(thumbnailView.getAttribute("class"), "", + "Thumbnail view is visible when selected"); + Assert.equal(outlineView.getAttribute("class"), "hidden", + "Outline view is hidden when thumbnail is selected"); + + sidebar.click(); + + var viewer = content.wrappedJSObject.PDFViewerApplication; + yield viewer.close(); + }); + }); +}); diff --git a/browser/extensions/pdfjs/test/browser_pdfjs_zoom.js b/browser/extensions/pdfjs/test/browser_pdfjs_zoom.js new file mode 100644 index 000000000..f2b73fd99 --- /dev/null +++ b/browser/extensions/pdfjs/test/browser_pdfjs_zoom.js @@ -0,0 +1,154 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +requestLongerTimeout(2); + +Components.utils.import("resource://gre/modules/Promise.jsm", this); + +const RELATIVE_DIR = "browser/extensions/pdfjs/test/"; +const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR; + +const TESTS = [ + { + action: { + selector: "button#zoomIn", + event: "click" + }, + expectedZoom: 1, // 1 - zoom in + message: "Zoomed in using the '+' (zoom in) button" + }, + + { + action: { + selector: "button#zoomOut", + event: "click" + }, + expectedZoom: -1, // -1 - zoom out + message: "Zoomed out using the '-' (zoom out) button" + }, + + { + action: { + keyboard: true, + keyCode: 61, + event: "+" + }, + expectedZoom: 1, // 1 - zoom in + message: "Zoomed in using the CTRL++ keys" + }, + + { + action: { + keyboard: true, + keyCode: 109, + event: "-" + }, + expectedZoom: -1, // -1 - zoom out + message: "Zoomed out using the CTRL+- keys" + }, + + { + action: { + selector: "select#scaleSelect", + index: 5, + event: "change" + }, + expectedZoom: -1, // -1 - zoom out + message: "Zoomed using the zoom picker" + } +]; + +add_task(function* test() { + let handlerService = Cc["@mozilla.org/uriloader/handler-service;1"] + .getService(Ci.nsIHandlerService); + let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService); + let handlerInfo = mimeService.getFromTypeAndExtension('application/pdf', 'pdf'); + + // Make sure pdf.js is the default handler. + is(handlerInfo.alwaysAskBeforeHandling, false, + 'pdf handler defaults to always-ask is false'); + is(handlerInfo.preferredAction, Ci.nsIHandlerInfo.handleInternally, + 'pdf handler defaults to internal'); + + info('Pref action: ' + handlerInfo.preferredAction); + + yield BrowserTestUtils.withNewTab({ gBrowser, url: "about:blank" }, + function* (newTabBrowser) { + yield waitForPdfJS(newTabBrowser, TESTROOT + "file_pdfjs_test.pdf" + "#zoom=100"); + + yield ContentTask.spawn(newTabBrowser, TESTS, function* (TESTS) { + let document = content.document; + + function waitForRender() { + return new Promise((resolve) => { + document.addEventListener("pagerendered", function onPageRendered(e) { + if(e.detail.pageNumber !== 1) { + return; + } + + document.removeEventListener("pagerendered", onPageRendered, true); + resolve(); + }, true); + }); + } + + // check that PDF is opened with internal viewer + Assert.ok(content.document.querySelector("div#viewer"), "document content has viewer UI"); + Assert.ok("PDFJS" in content.wrappedJSObject, "window content has PDFJS object"); + + let initialWidth, previousWidth; + initialWidth = previousWidth = + parseInt(content.document.querySelector("div#pageContainer1").style.width); + + for (let test of TESTS) { + // We zoom using an UI element + var ev; + if (test.action.selector) { + // Get the element and trigger the action for changing the zoom + var el = document.querySelector(test.action.selector); + Assert.ok(el, "Element '" + test.action.selector + "' has been found"); + + if (test.action.index){ + el.selectedIndex = test.action.index; + } + + // Dispatch the event for changing the zoom + ev = new Event(test.action.event); + } + // We zoom using keyboard + else { + // Simulate key press + ev = new content.KeyboardEvent("keydown", + { key: test.action.event, + keyCode: test.action.keyCode, + ctrlKey: true }); + el = content; + } + + el.dispatchEvent(ev); + yield waitForRender(); + + var pageZoomScale = content.document.querySelector('select#scaleSelect'); + + // The zoom value displayed in the zoom select + var zoomValue = pageZoomScale.options[pageZoomScale.selectedIndex].innerHTML; + + let pageContainer = content.document.querySelector('div#pageContainer1'); + let actualWidth = parseInt(pageContainer.style.width); + + // the actual zoom of the PDF document + let computedZoomValue = parseInt(((actualWidth/initialWidth).toFixed(2))*100) + "%"; + Assert.equal(computedZoomValue, zoomValue, "Content has correct zoom"); + + // Check that document zooms in the expected way (in/out) + let zoom = (actualWidth - previousWidth) * test.expectedZoom; + Assert.ok(zoom > 0, test.message); + + previousWidth = actualWidth; + } + + var viewer = content.wrappedJSObject.PDFViewerApplication; + yield viewer.close(); + }); + }); +}); diff --git a/browser/extensions/pdfjs/test/file_pdfjs_test.pdf b/browser/extensions/pdfjs/test/file_pdfjs_test.pdf Binary files differnew file mode 100644 index 000000000..7ad87e3c2 --- /dev/null +++ b/browser/extensions/pdfjs/test/file_pdfjs_test.pdf diff --git a/browser/extensions/pdfjs/test/head.js b/browser/extensions/pdfjs/test/head.js new file mode 100644 index 000000000..d980bceb1 --- /dev/null +++ b/browser/extensions/pdfjs/test/head.js @@ -0,0 +1,15 @@ +function waitForPdfJS(browser, url) { + // Runs tests after all 'load' event handlers have fired off + return ContentTask.spawn(browser, url, function* (url) { + yield new Promise((resolve) => { + // NB: Add the listener to the global object so that we receive the + // event fired from the new window. + addEventListener("documentload", function listener() { + removeEventListener("documentload", listener, false); + resolve(); + }, false, true); + + content.location = url; + }); + }); +} |
