From a1be17c1cea81ebb1e8b131a662c698d78f3f7f2 Mon Sep 17 00:00:00 2001 From: wolfbeast Date: Mon, 4 Jun 2018 13:17:38 +0200 Subject: Issue #303 Part 1: Move basilisk files from /browser to /application/basilisk --- browser/extensions/moz.build | 10 - browser/extensions/pdfjs/LICENSE | 177 - browser/extensions/pdfjs/README.mozilla | 3 - browser/extensions/pdfjs/chrome.manifest | 1 - browser/extensions/pdfjs/content/PdfJs.jsm | 348 - browser/extensions/pdfjs/content/PdfJsNetwork.jsm | 257 - .../extensions/pdfjs/content/PdfJsTelemetry.jsm | 70 - .../pdfjs/content/PdfStreamConverter.jsm | 1054 - .../extensions/pdfjs/content/PdfjsChromeUtils.jsm | 357 - .../extensions/pdfjs/content/PdfjsContentUtils.jsm | 150 - browser/extensions/pdfjs/content/build/pdf.js | 8387 --- .../extensions/pdfjs/content/build/pdf.worker.js | 52500 ------------------- browser/extensions/pdfjs/content/network.js | 614 - .../pdfjs/content/pdfjschildbootstrap.js | 36 - .../pdfjs/content/web/cmaps/78-EUC-H.bcmap | Bin 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100644 browser/extensions/pdfjs/content/web/viewer.js delete mode 100644 browser/extensions/pdfjs/jar.mn delete mode 100644 browser/extensions/pdfjs/moz.build (limited to 'browser/extensions') diff --git a/browser/extensions/moz.build b/browser/extensions/moz.build deleted file mode 100644 index 69d6af6d6..000000000 --- a/browser/extensions/moz.build +++ /dev/null @@ -1,10 +0,0 @@ -# -*- 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/. - -DIRS += [ - 'pdfjs', -] - diff --git a/browser/extensions/pdfjs/LICENSE b/browser/extensions/pdfjs/LICENSE deleted file mode 100644 index f433b1a53..000000000 --- a/browser/extensions/pdfjs/LICENSE +++ /dev/null @@ -1,177 +0,0 @@ - - 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. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. 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 deleted file mode 100644 index 884f85eb3..000000000 --- a/browser/extensions/pdfjs/README.mozilla +++ /dev/null @@ -1,3 +0,0 @@ -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 deleted file mode 100644 index 1aef83abc..000000000 --- a/browser/extensions/pdfjs/chrome.manifest +++ /dev/null @@ -1 +0,0 @@ -resource pdf.js content/ diff --git a/browser/extensions/pdfjs/content/PdfJs.jsm b/browser/extensions/pdfjs/content/PdfJs.jsm deleted file mode 100644 index b3d85436e..000000000 --- a/browser/extensions/pdfjs/content/PdfJs.jsm +++ /dev/null @@ -1,348 +0,0 @@ -/* 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 deleted file mode 100644 index c3aefecb2..000000000 --- a/browser/extensions/pdfjs/content/PdfJsNetwork.jsm +++ /dev/null @@ -1,257 +0,0 @@ -/* 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 deleted file mode 100644 index 275da9d87..000000000 --- a/browser/extensions/pdfjs/content/PdfJsTelemetry.jsm +++ /dev/null @@ -1,70 +0,0 @@ -/* 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 deleted file mode 100644 index 5e337bbc5..000000000 --- a/browser/extensions/pdfjs/content/PdfStreamConverter.jsm +++ /dev/null @@ -1,1054 +0,0 @@ -/* 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_ORIGIN = "resource://pdf.js"; -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, aPrincipal) { - var requestor = aChannel.notificationCallbacks ? - aChannel.notificationCallbacks : - aChannel.loadGroup.notificationCallbacks; - var win = requestor.getInterface(Components.interfaces.nsIDOMWindow); - // Ensure the window wasn't navigated to something that is not PDF.js. - if (!win.document.nodePrincipal.equals(aPrincipal)) { - return null; - } - 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() - }, PDF_VIEWER_ORIGIN); - }; - 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 - }, PDF_VIEWER_ORIGIN); - - 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 - }, PDF_VIEWER_ORIGIN); - }, - onProgress: function RangedChromeActions_onProgress(evt) { - domWindow.postMessage({ - pdfjsLoadAction: 'rangeProgress', - loaded: evt.loaded, - }, PDF_VIEWER_ORIGIN); - } - }); - }; - - 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 - }, PDF_VIEWER_ORIGIN); - }; - - this.dataListener.oncomplete = - function StandardChromeActions_dataListenerComplete(data, errorCode) { - self.domWindow.postMessage({ - pdfjsLoadAction: 'complete', - data: data, - errorCode: errorCode - }, PDF_VIEWER_ORIGIN); - - 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(request, context, statusCode) { - var domWindow = getDOMWindow(channel, resourcePrincipal); - if (!Components.isSuccessCode(statusCode) || !domWindow) { - // The request may have been aborted and the document may have been - // replaced with something that is not PDF.js, abort attaching. - listener.onStopRequest(aRequest, context, statusCode); - return; - } - 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.document.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 deleted file mode 100644 index 7a082b6af..000000000 --- a/browser/extensions/pdfjs/content/PdfjsChromeUtils.jsm +++ /dev/null @@ -1,357 +0,0 @@ -/* 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 deleted file mode 100644 index 3dec5f389..000000000 --- a/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm +++ /dev/null @@ -1,150 +0,0 @@ -/* 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 deleted file mode 100644 index 98a3bd392..000000000 --- a/browser/extensions/pdfjs/content/build/pdf.js +++ /dev/null @@ -1,8387 +0,0 @@ -/* 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 - 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; - // 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 deleted file mode 100644 index 6ce519940..000000000 --- a/browser/extensions/pdfjs/content/build/pdf.worker.js +++ /dev/null @@ -1,52500 +0,0 @@ -/* 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 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 = [ - [ - -1, - -1 - ], - [ - -1, - -1 - ], - [ - -1, - -1 - ], - [ - -1, - -1 - ], - // 0000000xx - [ - 8, - 29 - ], - [ - 8, - 29 - ], - // 00000010x - [ - 8, - 30 - ], - [ - 8, - 30 - ], - // 00000011x - [ - 8, - 45 - ], - [ - 8, - 45 - ], - // 00000100x - [ - 8, - 46 - ], - [ - 8, - 46 - ], - // 00000101x - [ - 7, - 22 - ], - [ - 7, - 22 - ], - [ - 7, - 22 - ], - [ - 7, - 22 - ], - // 0000011xx - [ - 7, - 23 - ], - [ - 7, - 23 - ], - [ - 7, - 23 - ], - [ - 7, - 23 - ], - // 0000100xx - [ - 8, - 47 - ], - [ - 8, - 47 - ], - // 00001010x - [ - 8, - 48 - ], - [ - 8, - 48 - ], - // 00001011x - [ - 6, - 13 - ], - [ - 6, - 13 - ], - [ - 6, - 13 - ], - [ - 6, - 13 - ], - // 000011xxx - [ - 6, - 13 - ], - [ - 6, - 13 - ], - [ - 6, - 13 - ], - [ - 6, - 13 - ], - [ - 7, - 20 - ], - [ - 7, - 20 - ], - [ - 7, - 20 - ], - [ - 7, - 20 - ], - // 0001000xx - [ - 8, - 33 - ], - [ - 8, - 33 - ], - // 00010010x - [ - 8, - 34 - ], - [ - 8, - 34 - ], - // 00010011x - [ - 8, - 35 - ], - [ - 8, - 35 - ], - // 00010100x - [ - 8, - 36 - ], - [ - 8, - 36 - ], - // 00010101x - [ - 8, - 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[ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - // 00000111xxxx - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 8, - 14 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - // 0000100xxxxx - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 7, - 10 - ], - [ - 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; - function toNumberArray(arr) { - if (!Array.isArray(arr)) { - return null; - } - var length = arr.length; - for (var i = 0; i < length; i++) { - if (typeof arr[i] !== 'number') { - var result = new Array(length); - for (var j = 0; j < length; j++) { - result[j] = +arr[j]; - } - return result; - } - } - return arr; - } - 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 = toNumberArray(dict.getArray('Domain')); - var range = toNumberArray(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 = toNumberArray(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 = toNumberArray(dict.getArray('Encode')); - if (!encode) { - encode = []; - for (var i = 0; i < inputSize; ++i) { - encode.push([0, size[i] - 1]); - } - } else { - encode = toMultiArray(encode); - } - var decode = toNumberArray(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 = toNumberArray(dict.getArray('C0')) || [0]; - var c1 = toNumberArray(dict.getArray('C1')) || [1]; - var n = dict.get('N'); - 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 = toNumberArray(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.parse(xref, xref.fetchIfRef(fnRefs[i]))); - } - var bounds = toNumberArray(dict.getArray('Bounds')); - var encode = toNumberArray(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 fns = IR[4]; - var tmpBuf = new Float32Array(1); - 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 = toNumberArray(dict.getArray('Domain')); - var range = toNumberArray(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 tintFn = IR[3]; - return new AlternateCS(numComps, ColorSpace.fromIR(alt), tintFn); - 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 tintFn = PDFFunction.parse(xref, xref.fetchIfRef(cs[3])); - return [ - 'AlternateCS', - numComps, - alt, - tintFn - ]; - 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 (, setFont, setTextMatrix, - // showText, endText), include that as well. (E.g. 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; -})); diff --git a/browser/extensions/pdfjs/content/network.js b/browser/extensions/pdfjs/content/network.js deleted file mode 100644 index 68c8dd19f..000000000 --- a/browser/extensions/pdfjs/content/network.js +++ /dev/null @@ -1,614 +0,0 @@ -/* 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 deleted file mode 100644 index 1f44b9c2e..000000000 --- a/browser/extensions/pdfjs/content/pdfjschildbootstrap.js +++ /dev/null @@ -1,36 +0,0 @@ -/* 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 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b/browser/extensions/pdfjs/content/web/debugger.js deleted file mode 100644 index 8a049f4c6..000000000 --- a/browser/extensions/pdfjs/content/web/debugger.js +++ /dev/null @@ -1,616 +0,0 @@ -/* 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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/dev/null differ diff --git a/browser/extensions/pdfjs/content/web/images/treeitem-expanded@2x.png b/browser/extensions/pdfjs/content/web/images/treeitem-expanded@2x.png deleted file mode 100644 index 3b3b6103b..000000000 Binary files a/browser/extensions/pdfjs/content/web/images/treeitem-expanded@2x.png and /dev/null differ diff --git a/browser/extensions/pdfjs/content/web/l10n.js b/browser/extensions/pdfjs/content/web/l10n.js deleted file mode 100644 index 2e0684e06..000000000 --- a/browser/extensions/pdfjs/content/web/l10n.js +++ /dev/null @@ -1,151 +0,0 @@ - -'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 deleted file mode 100644 index 74b6fab86..000000000 --- a/browser/extensions/pdfjs/content/web/viewer.css +++ /dev/null @@ -1,2034 +0,0 @@ -/* 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' -
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- - - diff --git a/browser/extensions/pdfjs/content/web/viewer.js b/browser/extensions/pdfjs/content/web/viewer.js deleted file mode 100644 index 35fef2cd0..000000000 --- a/browser/extensions/pdfjs/content/web/viewer.js +++ /dev/null @@ -1,8671 +0,0 @@ -/* 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 ' 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: , 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: - 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 . - * @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: - * @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 deleted file mode 100644 index ca1148155..000000000 --- a/browser/extensions/pdfjs/jar.mn +++ /dev/null @@ -1,3 +0,0 @@ -pdfjs.jar: -% resource pdf.js %content/ - content/ (content/*) diff --git a/browser/extensions/pdfjs/moz.build b/browser/extensions/pdfjs/moz.build deleted file mode 100644 index aac3a838c..000000000 --- a/browser/extensions/pdfjs/moz.build +++ /dev/null @@ -1,7 +0,0 @@ -# -*- 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/. - -JAR_MANIFESTS += ['jar.mn'] -- cgit v1.2.3