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-rw-r--r--browser/extensions/pdfjs/content/PdfJs.jsm348
-rw-r--r--browser/extensions/pdfjs/content/PdfJsNetwork.jsm257
-rw-r--r--browser/extensions/pdfjs/content/PdfJsTelemetry.jsm70
-rw-r--r--browser/extensions/pdfjs/content/PdfStreamConverter.jsm1054
-rw-r--r--browser/extensions/pdfjs/content/PdfjsChromeUtils.jsm357
-rw-r--r--browser/extensions/pdfjs/content/PdfjsContentUtils.jsm150
-rw-r--r--browser/extensions/pdfjs/content/build/pdf.js8387
-rw-r--r--browser/extensions/pdfjs/content/build/pdf.worker.js52500
-rw-r--r--browser/extensions/pdfjs/content/network.js614
-rw-r--r--browser/extensions/pdfjs/content/pdfjschildbootstrap.js36
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-rw-r--r--browser/extensions/pdfjs/content/web/images/secondaryToolbarButton-rotateCw@2x.pngbin714 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/shadow.pngbin290 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/texture.pngbin2417 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-bookmark.pngbin174 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-bookmark@2x.pngbin260 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-download.pngbin259 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-download@2x.pngbin425 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-menuArrows.pngbin107 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-menuArrows@2x.pngbin152 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-openFile.pngbin295 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-openFile@2x.pngbin550 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageDown-rtl.pngbin242 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageDown-rtl@2x.pngbin398 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageDown.pngbin238 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageDown@2x.pngbin396 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageUp-rtl.pngbin245 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageUp-rtl@2x.pngbin405 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageUp.pngbin246 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-pageUp@2x.pngbin403 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-presentationMode.pngbin321 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-presentationMode@2x.pngbin586 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-print.pngbin257 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-print@2x.pngbin464 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-search.pngbin309 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-search@2x.pngbin653 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-secondaryToolbarToggle-rtl.pngbin246 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-secondaryToolbarToggle-rtl@2x.pngbin456 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-secondaryToolbarToggle.pngbin243 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-secondaryToolbarToggle@2x.pngbin458 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-sidebarToggle-rtl.pngbin225 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-sidebarToggle-rtl@2x.pngbin344 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-sidebarToggle.pngbin225 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-sidebarToggle@2x.pngbin331 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewAttachments.pngbin384 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewAttachments@2x.pngbin859 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewOutline-rtl.pngbin177 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewOutline-rtl@2x.pngbin394 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewOutline.pngbin178 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewOutline@2x.pngbin331 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewThumbnail.pngbin185 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-viewThumbnail@2x.pngbin219 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-zoomIn.pngbin136 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-zoomIn@2x.pngbin160 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-zoomOut.pngbin88 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/toolbarButton-zoomOut@2x.pngbin109 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/treeitem-collapsed-rtl.pngbin143 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/treeitem-collapsed-rtl@2x.pngbin167 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/treeitem-collapsed.pngbin128 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/treeitem-collapsed@2x.pngbin149 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/treeitem-expanded.pngbin125 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/images/treeitem-expanded@2x.pngbin172 -> 0 bytes
-rw-r--r--browser/extensions/pdfjs/content/web/l10n.js151
-rw-r--r--browser/extensions/pdfjs/content/web/viewer.css2034
-rw-r--r--browser/extensions/pdfjs/content/web/viewer.html337
-rw-r--r--browser/extensions/pdfjs/content/web/viewer.js8671
268 files changed, 0 insertions, 75778 deletions
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 <xmpmeta>
- rdf = rdf.firstChild;
- while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
- rdf = rdf.nextSibling;
- }
- }
- var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
- if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
- return;
- }
- var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
- for (i = 0, length = children.length; i < length; i++) {
- desc = children[i];
- if (desc.nodeName.toLowerCase() !== 'rdf:description') {
- continue;
- }
- for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
- if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
- entry = desc.childNodes[ii];
- name = entry.nodeName.toLowerCase();
- this.metadata[name] = entry.textContent.trim();
- }
- }
- }
- },
- get: function Metadata_get(name) {
- return this.metadata[name] || null;
- },
- has: function Metadata_has(name) {
- return typeof this.metadata[name] !== 'undefined';
- }
- };
- exports.Metadata = Metadata;
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplaySVG = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplayAnnotationLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
- }(this, function (exports, sharedUtil, displayDOMUtils) {
- var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
- var AnnotationType = sharedUtil.AnnotationType;
- var Util = sharedUtil.Util;
- var addLinkAttributes = displayDOMUtils.addLinkAttributes;
- var LinkTarget = displayDOMUtils.LinkTarget;
- var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
- var warn = sharedUtil.warn;
- var CustomStyle = displayDOMUtils.CustomStyle;
- var getDefaultSetting = displayDOMUtils.getDefaultSetting;
- /**
- * @typedef {Object} AnnotationElementParameters
- * @property {Object} data
- * @property {HTMLDivElement} layer
- * @property {PDFPage} page
- * @property {PageViewport} viewport
- * @property {IPDFLinkService} linkService
- * @property {DownloadManager} downloadManager
- * @property {string} imageResourcesPath
- * @property {boolean} renderInteractiveForms
- */
- /**
- * @class
- * @alias AnnotationElementFactory
- */
- function AnnotationElementFactory() {
- }
- AnnotationElementFactory.prototype = /** @lends AnnotationElementFactory.prototype */
- {
- /**
- * @param {AnnotationElementParameters} parameters
- * @returns {AnnotationElement}
- */
- create: function AnnotationElementFactory_create(parameters) {
- var subtype = parameters.data.annotationType;
- switch (subtype) {
- case AnnotationType.LINK:
- return new LinkAnnotationElement(parameters);
- case AnnotationType.TEXT:
- return new TextAnnotationElement(parameters);
- case AnnotationType.WIDGET:
- var fieldType = parameters.data.fieldType;
- switch (fieldType) {
- case 'Tx':
- return new TextWidgetAnnotationElement(parameters);
- case 'Ch':
- return new ChoiceWidgetAnnotationElement(parameters);
- }
- return new WidgetAnnotationElement(parameters);
- case AnnotationType.POPUP:
- return new PopupAnnotationElement(parameters);
- case AnnotationType.HIGHLIGHT:
- return new HighlightAnnotationElement(parameters);
- case AnnotationType.UNDERLINE:
- return new UnderlineAnnotationElement(parameters);
- case AnnotationType.SQUIGGLY:
- return new SquigglyAnnotationElement(parameters);
- case AnnotationType.STRIKEOUT:
- return new StrikeOutAnnotationElement(parameters);
- case AnnotationType.FILEATTACHMENT:
- return new FileAttachmentAnnotationElement(parameters);
- default:
- return new AnnotationElement(parameters);
- }
- }
- };
- /**
- * @class
- * @alias AnnotationElement
- */
- var AnnotationElement = function AnnotationElementClosure() {
- function AnnotationElement(parameters, isRenderable) {
- this.isRenderable = isRenderable || false;
- this.data = parameters.data;
- this.layer = parameters.layer;
- this.page = parameters.page;
- this.viewport = parameters.viewport;
- this.linkService = parameters.linkService;
- this.downloadManager = parameters.downloadManager;
- this.imageResourcesPath = parameters.imageResourcesPath;
- this.renderInteractiveForms = parameters.renderInteractiveForms;
- if (isRenderable) {
- this.container = this._createContainer();
- }
- }
- AnnotationElement.prototype = /** @lends AnnotationElement.prototype */
- {
- /**
- * Create an empty container for the annotation's HTML element.
- *
- * @private
- * @memberof AnnotationElement
- * @returns {HTMLSectionElement}
- */
- _createContainer: function AnnotationElement_createContainer() {
- var data = this.data, page = this.page, viewport = this.viewport;
- var container = document.createElement('section');
- var width = data.rect[2] - data.rect[0];
- var height = data.rect[3] - data.rect[1];
- container.setAttribute('data-annotation-id', data.id);
- // Do *not* modify `data.rect`, since that will corrupt the annotation
- // position on subsequent calls to `_createContainer` (see issue 6804).
- var rect = Util.normalizeRect([
- data.rect[0],
- page.view[3] - data.rect[1] + page.view[1],
- data.rect[2],
- page.view[3] - data.rect[3] + page.view[1]
- ]);
- CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')');
- CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px');
- if (data.borderStyle.width > 0) {
- container.style.borderWidth = data.borderStyle.width + 'px';
- if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {
- // Underline styles only have a bottom border, so we do not need
- // to adjust for all borders. This yields a similar result as
- // Adobe Acrobat/Reader.
- width = width - 2 * data.borderStyle.width;
- height = height - 2 * data.borderStyle.width;
- }
- var horizontalRadius = data.borderStyle.horizontalCornerRadius;
- var verticalRadius = data.borderStyle.verticalCornerRadius;
- if (horizontalRadius > 0 || verticalRadius > 0) {
- var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
- CustomStyle.setProp('borderRadius', container, radius);
- }
- switch (data.borderStyle.style) {
- case AnnotationBorderStyleType.SOLID:
- container.style.borderStyle = 'solid';
- break;
- case AnnotationBorderStyleType.DASHED:
- container.style.borderStyle = 'dashed';
- break;
- case AnnotationBorderStyleType.BEVELED:
- warn('Unimplemented border style: beveled');
- break;
- case AnnotationBorderStyleType.INSET:
- warn('Unimplemented border style: inset');
- break;
- case AnnotationBorderStyleType.UNDERLINE:
- container.style.borderBottomStyle = 'solid';
- break;
- default:
- break;
- }
- if (data.color) {
- container.style.borderColor = Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
- } else {
- // Transparent (invisible) border, so do not draw it at all.
- container.style.borderWidth = 0;
- }
- }
- container.style.left = rect[0] + 'px';
- container.style.top = rect[1] + 'px';
- container.style.width = width + 'px';
- container.style.height = height + 'px';
- return container;
- },
- /**
- * Create a popup for the annotation's HTML element. This is used for
- * annotations that do not have a Popup entry in the dictionary, but
- * are of a type that works with popups (such as Highlight annotations).
- *
- * @private
- * @param {HTMLSectionElement} container
- * @param {HTMLDivElement|HTMLImageElement|null} trigger
- * @param {Object} data
- * @memberof AnnotationElement
- */
- _createPopup: function AnnotationElement_createPopup(container, trigger, data) {
- // If no trigger element is specified, create it.
- if (!trigger) {
- trigger = document.createElement('div');
- trigger.style.height = container.style.height;
- trigger.style.width = container.style.width;
- container.appendChild(trigger);
- }
- var popupElement = new PopupElement({
- container: container,
- trigger: trigger,
- color: data.color,
- title: data.title,
- contents: data.contents,
- hideWrapper: true
- });
- var popup = popupElement.render();
- // Position the popup next to the annotation's container.
- popup.style.left = container.style.width;
- container.appendChild(popup);
- },
- /**
- * Render the annotation's HTML element in the empty container.
- *
- * @public
- * @memberof AnnotationElement
- */
- render: function AnnotationElement_render() {
- throw new Error('Abstract method AnnotationElement.render called');
- }
- };
- return AnnotationElement;
- }();
- /**
- * @class
- * @alias LinkAnnotationElement
- */
- var LinkAnnotationElement = function LinkAnnotationElementClosure() {
- function LinkAnnotationElement(parameters) {
- AnnotationElement.call(this, parameters, true);
- }
- Util.inherit(LinkAnnotationElement, AnnotationElement, {
- /**
- * Render the link annotation's HTML element in the empty container.
- *
- * @public
- * @memberof LinkAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function LinkAnnotationElement_render() {
- this.container.className = 'linkAnnotation';
- var link = document.createElement('a');
- addLinkAttributes(link, {
- url: this.data.url,
- target: this.data.newWindow ? LinkTarget.BLANK : undefined
- });
- if (!this.data.url) {
- if (this.data.action) {
- this._bindNamedAction(link, this.data.action);
- } else {
- this._bindLink(link, this.data.dest);
- }
- }
- this.container.appendChild(link);
- return this.container;
- },
- /**
- * Bind internal links to the link element.
- *
- * @private
- * @param {Object} link
- * @param {Object} destination
- * @memberof LinkAnnotationElement
- */
- _bindLink: function LinkAnnotationElement_bindLink(link, destination) {
- var self = this;
- link.href = this.linkService.getDestinationHash(destination);
- link.onclick = function () {
- if (destination) {
- self.linkService.navigateTo(destination);
- }
- return false;
- };
- if (destination) {
- link.className = 'internalLink';
- }
- },
- /**
- * Bind named actions to the link element.
- *
- * @private
- * @param {Object} link
- * @param {Object} action
- * @memberof LinkAnnotationElement
- */
- _bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) {
- var self = this;
- link.href = this.linkService.getAnchorUrl('');
- link.onclick = function () {
- self.linkService.executeNamedAction(action);
- return false;
- };
- link.className = 'internalLink';
- }
- });
- return LinkAnnotationElement;
- }();
- /**
- * @class
- * @alias TextAnnotationElement
- */
- var TextAnnotationElement = function TextAnnotationElementClosure() {
- function TextAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(TextAnnotationElement, AnnotationElement, {
- /**
- * Render the text annotation's HTML element in the empty container.
- *
- * @public
- * @memberof TextAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function TextAnnotationElement_render() {
- this.container.className = 'textAnnotation';
- var image = document.createElement('img');
- image.style.height = this.container.style.height;
- image.style.width = this.container.style.width;
- image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
- image.alt = '[{{type}} Annotation]';
- image.dataset.l10nId = 'text_annotation_type';
- image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });
- if (!this.data.hasPopup) {
- this._createPopup(this.container, image, this.data);
- }
- this.container.appendChild(image);
- return this.container;
- }
- });
- return TextAnnotationElement;
- }();
- /**
- * @class
- * @alias WidgetAnnotationElement
- */
- var WidgetAnnotationElement = function WidgetAnnotationElementClosure() {
- function WidgetAnnotationElement(parameters, isRenderable) {
- AnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(WidgetAnnotationElement, AnnotationElement, {
- /**
- * Render the widget annotation's HTML element in the empty container.
- *
- * @public
- * @memberof WidgetAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function WidgetAnnotationElement_render() {
- // Show only the container for unsupported field types.
- return this.container;
- }
- });
- return WidgetAnnotationElement;
- }();
- /**
- * @class
- * @alias TextWidgetAnnotationElement
- */
- var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() {
- var TEXT_ALIGNMENT = [
- 'left',
- 'center',
- 'right'
- ];
- function TextWidgetAnnotationElement(parameters) {
- var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
- WidgetAnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
- /**
- * Render the text widget annotation's HTML element in the empty container.
- *
- * @public
- * @memberof TextWidgetAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function TextWidgetAnnotationElement_render() {
- this.container.className = 'textWidgetAnnotation';
- var element = null;
- if (this.renderInteractiveForms) {
- // NOTE: We cannot set the values using `element.value` below, since it
- // prevents the AnnotationLayer rasterizer in `test/driver.js`
- // from parsing the elements correctly for the reference tests.
- if (this.data.multiLine) {
- element = document.createElement('textarea');
- element.textContent = this.data.fieldValue;
- } else {
- element = document.createElement('input');
- element.type = 'text';
- element.setAttribute('value', this.data.fieldValue);
- }
- element.disabled = this.data.readOnly;
- if (this.data.maxLen !== null) {
- element.maxLength = this.data.maxLen;
- }
- if (this.data.comb) {
- var fieldWidth = this.data.rect[2] - this.data.rect[0];
- var combWidth = fieldWidth / this.data.maxLen;
- element.classList.add('comb');
- element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
- }
- } else {
- element = document.createElement('div');
- element.textContent = this.data.fieldValue;
- element.style.verticalAlign = 'middle';
- element.style.display = 'table-cell';
- var font = null;
- if (this.data.fontRefName) {
- font = this.page.commonObjs.getData(this.data.fontRefName);
- }
- this._setTextStyle(element, font);
- }
- if (this.data.textAlignment !== null) {
- element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
- }
- this.container.appendChild(element);
- return this.container;
- },
- /**
- * Apply text styles to the text in the element.
- *
- * @private
- * @param {HTMLDivElement} element
- * @param {Object} font
- * @memberof TextWidgetAnnotationElement
- */
- _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) {
- // TODO: This duplicates some of the logic in CanvasGraphics.setFont().
- var style = element.style;
- style.fontSize = this.data.fontSize + 'px';
- style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
- if (!font) {
- return;
- }
- style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
- style.fontStyle = font.italic ? 'italic' : 'normal';
- // Use a reasonable default font if the font doesn't specify a fallback.
- var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
- var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
- style.fontFamily = fontFamily + fallbackName;
- }
- });
- return TextWidgetAnnotationElement;
- }();
- /**
- * @class
- * @alias ChoiceWidgetAnnotationElement
- */
- var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() {
- function ChoiceWidgetAnnotationElement(parameters) {
- WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
- }
- Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
- /**
- * Render the choice widget annotation's HTML element in the empty
- * container.
- *
- * @public
- * @memberof ChoiceWidgetAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function ChoiceWidgetAnnotationElement_render() {
- this.container.className = 'choiceWidgetAnnotation';
- var selectElement = document.createElement('select');
- selectElement.disabled = this.data.readOnly;
- if (!this.data.combo) {
- // List boxes have a size and (optionally) multiple selection.
- selectElement.size = this.data.options.length;
- if (this.data.multiSelect) {
- selectElement.multiple = true;
- }
- }
- // Insert the options into the choice field.
- for (var i = 0, ii = this.data.options.length; i < ii; i++) {
- var option = this.data.options[i];
- var optionElement = document.createElement('option');
- optionElement.textContent = option.displayValue;
- optionElement.value = option.exportValue;
- if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
- optionElement.setAttribute('selected', true);
- }
- selectElement.appendChild(optionElement);
- }
- this.container.appendChild(selectElement);
- return this.container;
- }
- });
- return ChoiceWidgetAnnotationElement;
- }();
- /**
- * @class
- * @alias PopupAnnotationElement
- */
- var PopupAnnotationElement = function PopupAnnotationElementClosure() {
- function PopupAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(PopupAnnotationElement, AnnotationElement, {
- /**
- * Render the popup annotation's HTML element in the empty container.
- *
- * @public
- * @memberof PopupAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function PopupAnnotationElement_render() {
- this.container.className = 'popupAnnotation';
- var selector = '[data-annotation-id="' + this.data.parentId + '"]';
- var parentElement = this.layer.querySelector(selector);
- if (!parentElement) {
- return this.container;
- }
- var popup = new PopupElement({
- container: this.container,
- trigger: parentElement,
- color: this.data.color,
- title: this.data.title,
- contents: this.data.contents
- });
- // Position the popup next to the parent annotation's container.
- // PDF viewers ignore a popup annotation's rectangle.
- var parentLeft = parseFloat(parentElement.style.left);
- var parentWidth = parseFloat(parentElement.style.width);
- CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top);
- this.container.style.left = parentLeft + parentWidth + 'px';
- this.container.appendChild(popup.render());
- return this.container;
- }
- });
- return PopupAnnotationElement;
- }();
- /**
- * @class
- * @alias PopupElement
- */
- var PopupElement = function PopupElementClosure() {
- var BACKGROUND_ENLIGHT = 0.7;
- function PopupElement(parameters) {
- this.container = parameters.container;
- this.trigger = parameters.trigger;
- this.color = parameters.color;
- this.title = parameters.title;
- this.contents = parameters.contents;
- this.hideWrapper = parameters.hideWrapper || false;
- this.pinned = false;
- }
- PopupElement.prototype = /** @lends PopupElement.prototype */
- {
- /**
- * Render the popup's HTML element.
- *
- * @public
- * @memberof PopupElement
- * @returns {HTMLSectionElement}
- */
- render: function PopupElement_render() {
- var wrapper = document.createElement('div');
- wrapper.className = 'popupWrapper';
- // For Popup annotations we hide the entire section because it contains
- // only the popup. However, for Text annotations without a separate Popup
- // annotation, we cannot hide the entire container as the image would
- // disappear too. In that special case, hiding the wrapper suffices.
- this.hideElement = this.hideWrapper ? wrapper : this.container;
- this.hideElement.setAttribute('hidden', true);
- var popup = document.createElement('div');
- popup.className = 'popup';
- var color = this.color;
- if (color) {
- // Enlighten the color.
- var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
- var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
- var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
- popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);
- }
- var contents = this._formatContents(this.contents);
- var title = document.createElement('h1');
- title.textContent = this.title;
- // Attach the event listeners to the trigger element.
- this.trigger.addEventListener('click', this._toggle.bind(this));
- this.trigger.addEventListener('mouseover', this._show.bind(this, false));
- this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
- popup.addEventListener('click', this._hide.bind(this, true));
- popup.appendChild(title);
- popup.appendChild(contents);
- wrapper.appendChild(popup);
- return wrapper;
- },
- /**
- * Format the contents of the popup by adding newlines where necessary.
- *
- * @private
- * @param {string} contents
- * @memberof PopupElement
- * @returns {HTMLParagraphElement}
- */
- _formatContents: function PopupElement_formatContents(contents) {
- var p = document.createElement('p');
- var lines = contents.split(/(?:\r\n?|\n)/);
- for (var i = 0, ii = lines.length; i < ii; ++i) {
- var line = lines[i];
- p.appendChild(document.createTextNode(line));
- if (i < ii - 1) {
- p.appendChild(document.createElement('br'));
- }
- }
- return p;
- },
- /**
- * Toggle the visibility of the popup.
- *
- * @private
- * @memberof PopupElement
- */
- _toggle: function PopupElement_toggle() {
- if (this.pinned) {
- this._hide(true);
- } else {
- this._show(true);
- }
- },
- /**
- * Show the popup.
- *
- * @private
- * @param {boolean} pin
- * @memberof PopupElement
- */
- _show: function PopupElement_show(pin) {
- if (pin) {
- this.pinned = true;
- }
- if (this.hideElement.hasAttribute('hidden')) {
- this.hideElement.removeAttribute('hidden');
- this.container.style.zIndex += 1;
- }
- },
- /**
- * Hide the popup.
- *
- * @private
- * @param {boolean} unpin
- * @memberof PopupElement
- */
- _hide: function PopupElement_hide(unpin) {
- if (unpin) {
- this.pinned = false;
- }
- if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
- this.hideElement.setAttribute('hidden', true);
- this.container.style.zIndex -= 1;
- }
- }
- };
- return PopupElement;
- }();
- /**
- * @class
- * @alias HighlightAnnotationElement
- */
- var HighlightAnnotationElement = function HighlightAnnotationElementClosure() {
- function HighlightAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(HighlightAnnotationElement, AnnotationElement, {
- /**
- * Render the highlight annotation's HTML element in the empty container.
- *
- * @public
- * @memberof HighlightAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function HighlightAnnotationElement_render() {
- this.container.className = 'highlightAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return HighlightAnnotationElement;
- }();
- /**
- * @class
- * @alias UnderlineAnnotationElement
- */
- var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() {
- function UnderlineAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
- /**
- * Render the underline annotation's HTML element in the empty container.
- *
- * @public
- * @memberof UnderlineAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function UnderlineAnnotationElement_render() {
- this.container.className = 'underlineAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return UnderlineAnnotationElement;
- }();
- /**
- * @class
- * @alias SquigglyAnnotationElement
- */
- var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() {
- function SquigglyAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
- /**
- * Render the squiggly annotation's HTML element in the empty container.
- *
- * @public
- * @memberof SquigglyAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function SquigglyAnnotationElement_render() {
- this.container.className = 'squigglyAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return SquigglyAnnotationElement;
- }();
- /**
- * @class
- * @alias StrikeOutAnnotationElement
- */
- var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() {
- function StrikeOutAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
- /**
- * Render the strikeout annotation's HTML element in the empty container.
- *
- * @public
- * @memberof StrikeOutAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function StrikeOutAnnotationElement_render() {
- this.container.className = 'strikeoutAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return StrikeOutAnnotationElement;
- }();
- /**
- * @class
- * @alias FileAttachmentAnnotationElement
- */
- var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() {
- function FileAttachmentAnnotationElement(parameters) {
- AnnotationElement.call(this, parameters, true);
- this.filename = getFilenameFromUrl(parameters.data.file.filename);
- this.content = parameters.data.file.content;
- }
- Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
- /**
- * Render the file attachment annotation's HTML element in the empty
- * container.
- *
- * @public
- * @memberof FileAttachmentAnnotationElement
- * @returns {HTMLSectionElement}
- */
- render: function FileAttachmentAnnotationElement_render() {
- this.container.className = 'fileAttachmentAnnotation';
- var trigger = document.createElement('div');
- trigger.style.height = this.container.style.height;
- trigger.style.width = this.container.style.width;
- trigger.addEventListener('dblclick', this._download.bind(this));
- if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
- this._createPopup(this.container, trigger, this.data);
- }
- this.container.appendChild(trigger);
- return this.container;
- },
- /**
- * Download the file attachment associated with this annotation.
- *
- * @private
- * @memberof FileAttachmentAnnotationElement
- */
- _download: function FileAttachmentAnnotationElement_download() {
- if (!this.downloadManager) {
- warn('Download cannot be started due to unavailable download manager');
- return;
- }
- this.downloadManager.downloadData(this.content, this.filename, '');
- }
- });
- return FileAttachmentAnnotationElement;
- }();
- /**
- * @typedef {Object} AnnotationLayerParameters
- * @property {PageViewport} viewport
- * @property {HTMLDivElement} div
- * @property {Array} annotations
- * @property {PDFPage} page
- * @property {IPDFLinkService} linkService
- * @property {string} imageResourcesPath
- * @property {boolean} renderInteractiveForms
- */
- /**
- * @class
- * @alias AnnotationLayer
- */
- var AnnotationLayer = function AnnotationLayerClosure() {
- return {
- /**
- * Render a new annotation layer with all annotation elements.
- *
- * @public
- * @param {AnnotationLayerParameters} parameters
- * @memberof AnnotationLayer
- */
- render: function AnnotationLayer_render(parameters) {
- var annotationElementFactory = new AnnotationElementFactory();
- for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
- var data = parameters.annotations[i];
- if (!data) {
- continue;
- }
- var properties = {
- data: data,
- layer: parameters.div,
- page: parameters.page,
- viewport: parameters.viewport,
- linkService: parameters.linkService,
- downloadManager: parameters.downloadManager,
- imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'),
- renderInteractiveForms: parameters.renderInteractiveForms || false
- };
- var element = annotationElementFactory.create(properties);
- if (element.isRenderable) {
- parameters.div.appendChild(element.render());
- }
- }
- },
- /**
- * Update the annotation elements on existing annotation layer.
- *
- * @public
- * @param {AnnotationLayerParameters} parameters
- * @memberof AnnotationLayer
- */
- update: function AnnotationLayer_update(parameters) {
- for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
- var data = parameters.annotations[i];
- var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
- if (element) {
- CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')');
- }
- }
- parameters.div.removeAttribute('hidden');
- }
- };
- }();
- exports.AnnotationLayer = AnnotationLayer;
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplayTextLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
- }(this, function (exports, sharedUtil, displayDOMUtils) {
- var Util = sharedUtil.Util;
- var createPromiseCapability = sharedUtil.createPromiseCapability;
- var CustomStyle = displayDOMUtils.CustomStyle;
- var getDefaultSetting = displayDOMUtils.getDefaultSetting;
- /**
- * Text layer render parameters.
- *
- * @typedef {Object} TextLayerRenderParameters
- * @property {TextContent} textContent - Text content to render (the object is
- * returned by the page's getTextContent() method).
- * @property {HTMLElement} container - HTML element that will contain text runs.
- * @property {PageViewport} viewport - The target viewport to properly
- * layout the text runs.
- * @property {Array} textDivs - (optional) HTML elements that are correspond
- * the text items of the textContent input. This is output and shall be
- * initially be set to empty array.
- * @property {number} timeout - (optional) Delay in milliseconds before
- * rendering of the text runs occurs.
- * @property {boolean} enhanceTextSelection - (optional) Whether to turn on the
- * text selection enhancement.
- */
- var renderTextLayer = function renderTextLayerClosure() {
- var MAX_TEXT_DIVS_TO_RENDER = 100000;
- var NonWhitespaceRegexp = /\S/;
- function isAllWhitespace(str) {
- return !NonWhitespaceRegexp.test(str);
- }
- // Text layers may contain many thousand div's, and using `styleBuf` avoids
- // creating many intermediate strings when building their 'style' properties.
- var styleBuf = [
- 'left: ',
- 0,
- 'px; top: ',
- 0,
- 'px; font-size: ',
- 0,
- 'px; font-family: ',
- '',
- ';'
- ];
- function appendText(task, geom, styles) {
- // Initialize all used properties to keep the caches monomorphic.
- var textDiv = document.createElement('div');
- var textDivProperties = {
- style: null,
- angle: 0,
- canvasWidth: 0,
- isWhitespace: false,
- originalTransform: null,
- paddingBottom: 0,
- paddingLeft: 0,
- paddingRight: 0,
- paddingTop: 0,
- scale: 1
- };
- task._textDivs.push(textDiv);
- if (isAllWhitespace(geom.str)) {
- textDivProperties.isWhitespace = true;
- task._textDivProperties.set(textDiv, textDivProperties);
- return;
- }
- var tx = Util.transform(task._viewport.transform, geom.transform);
- var angle = Math.atan2(tx[1], tx[0]);
- var style = styles[geom.fontName];
- if (style.vertical) {
- angle += Math.PI / 2;
- }
- var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
- var fontAscent = fontHeight;
- if (style.ascent) {
- fontAscent = style.ascent * fontAscent;
- } else if (style.descent) {
- fontAscent = (1 + style.descent) * fontAscent;
- }
- var left;
- var top;
- if (angle === 0) {
- left = tx[4];
- top = tx[5] - fontAscent;
- } else {
- left = tx[4] + fontAscent * Math.sin(angle);
- top = tx[5] - fontAscent * Math.cos(angle);
- }
- styleBuf[1] = left;
- styleBuf[3] = top;
- styleBuf[5] = fontHeight;
- styleBuf[7] = style.fontFamily;
- textDivProperties.style = styleBuf.join('');
- textDiv.setAttribute('style', textDivProperties.style);
- textDiv.textContent = geom.str;
- // |fontName| is only used by the Font Inspector. This test will succeed
- // when e.g. the Font Inspector is off but the Stepper is on, but it's
- // not worth the effort to do a more accurate test. We only use `dataset`
- // here to make the font name available for the debugger.
- if (getDefaultSetting('pdfBug')) {
- textDiv.dataset.fontName = geom.fontName;
- }
- if (angle !== 0) {
- textDivProperties.angle = angle * (180 / Math.PI);
- }
- // We don't bother scaling single-char text divs, because it has very
- // little effect on text highlighting. This makes scrolling on docs with
- // lots of such divs a lot faster.
- if (geom.str.length > 1) {
- if (style.vertical) {
- textDivProperties.canvasWidth = geom.height * task._viewport.scale;
- } else {
- textDivProperties.canvasWidth = geom.width * task._viewport.scale;
- }
- }
- task._textDivProperties.set(textDiv, textDivProperties);
- if (task._enhanceTextSelection) {
- var angleCos = 1, angleSin = 0;
- if (angle !== 0) {
- angleCos = Math.cos(angle);
- angleSin = Math.sin(angle);
- }
- var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
- var divHeight = fontHeight;
- var m, b;
- if (angle !== 0) {
- m = [
- angleCos,
- angleSin,
- -angleSin,
- angleCos,
- left,
- top
- ];
- b = Util.getAxialAlignedBoundingBox([
- 0,
- 0,
- divWidth,
- divHeight
- ], m);
- } else {
- b = [
- left,
- top,
- left + divWidth,
- top + divHeight
- ];
- }
- task._bounds.push({
- left: b[0],
- top: b[1],
- right: b[2],
- bottom: b[3],
- div: textDiv,
- size: [
- divWidth,
- divHeight
- ],
- m: m
- });
- }
- }
- function render(task) {
- if (task._canceled) {
- return;
- }
- var textLayerFrag = task._container;
- var textDivs = task._textDivs;
- var capability = task._capability;
- var textDivsLength = textDivs.length;
- // No point in rendering many divs as it would make the browser
- // unusable even after the divs are rendered.
- if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
- task._renderingDone = true;
- capability.resolve();
- return;
- }
- var canvas = document.createElement('canvas');
- canvas.mozOpaque = true;
- var ctx = canvas.getContext('2d', { alpha: false });
- var lastFontSize;
- var lastFontFamily;
- for (var i = 0; i < textDivsLength; i++) {
- var textDiv = textDivs[i];
- var textDivProperties = task._textDivProperties.get(textDiv);
- if (textDivProperties.isWhitespace) {
- continue;
- }
- var fontSize = textDiv.style.fontSize;
- var fontFamily = textDiv.style.fontFamily;
- // Only build font string and set to context if different from last.
- if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
- ctx.font = fontSize + ' ' + fontFamily;
- lastFontSize = fontSize;
- lastFontFamily = fontFamily;
- }
- var width = ctx.measureText(textDiv.textContent).width;
- textLayerFrag.appendChild(textDiv);
- var transform = '';
- if (textDivProperties.canvasWidth !== 0 && width > 0) {
- textDivProperties.scale = textDivProperties.canvasWidth / width;
- transform = 'scaleX(' + textDivProperties.scale + ')';
- }
- if (textDivProperties.angle !== 0) {
- transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
- }
- if (transform !== '') {
- textDivProperties.originalTransform = transform;
- CustomStyle.setProp('transform', textDiv, transform);
- }
- task._textDivProperties.set(textDiv, textDivProperties);
- }
- task._renderingDone = true;
- capability.resolve();
- }
- function expand(task) {
- var bounds = task._bounds;
- var viewport = task._viewport;
- var expanded = expandBounds(viewport.width, viewport.height, bounds);
- for (var i = 0; i < expanded.length; i++) {
- var div = bounds[i].div;
- var divProperties = task._textDivProperties.get(div);
- if (divProperties.angle === 0) {
- divProperties.paddingLeft = bounds[i].left - expanded[i].left;
- divProperties.paddingTop = bounds[i].top - expanded[i].top;
- divProperties.paddingRight = expanded[i].right - bounds[i].right;
- divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
- task._textDivProperties.set(div, divProperties);
- continue;
- }
- // Box is rotated -- trying to find padding so rotated div will not
- // exceed its expanded bounds.
- var e = expanded[i], b = bounds[i];
- var m = b.m, c = m[0], s = m[1];
- // Finding intersections with expanded box.
- var points = [
- [
- 0,
- 0
- ],
- [
- 0,
- b.size[1]
- ],
- [
- b.size[0],
- 0
- ],
- b.size
- ];
- var ts = new Float64Array(64);
- points.forEach(function (p, i) {
- var t = Util.applyTransform(p, m);
- ts[i + 0] = c && (e.left - t[0]) / c;
- ts[i + 4] = s && (e.top - t[1]) / s;
- ts[i + 8] = c && (e.right - t[0]) / c;
- ts[i + 12] = s && (e.bottom - t[1]) / s;
- ts[i + 16] = s && (e.left - t[0]) / -s;
- ts[i + 20] = c && (e.top - t[1]) / c;
- ts[i + 24] = s && (e.right - t[0]) / -s;
- ts[i + 28] = c && (e.bottom - t[1]) / c;
- ts[i + 32] = c && (e.left - t[0]) / -c;
- ts[i + 36] = s && (e.top - t[1]) / -s;
- ts[i + 40] = c && (e.right - t[0]) / -c;
- ts[i + 44] = s && (e.bottom - t[1]) / -s;
- ts[i + 48] = s && (e.left - t[0]) / s;
- ts[i + 52] = c && (e.top - t[1]) / -c;
- ts[i + 56] = s && (e.right - t[0]) / s;
- ts[i + 60] = c && (e.bottom - t[1]) / -c;
- });
- var findPositiveMin = function (ts, offset, count) {
- var result = 0;
- for (var i = 0; i < count; i++) {
- var t = ts[offset++];
- if (t > 0) {
- result = result ? Math.min(t, result) : t;
- }
- }
- return result;
- };
- // Not based on math, but to simplify calculations, using cos and sin
- // absolute values to not exceed the box (it can but insignificantly).
- var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
- divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
- divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
- divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
- divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
- task._textDivProperties.set(div, divProperties);
- }
- }
- function expandBounds(width, height, boxes) {
- var bounds = boxes.map(function (box, i) {
- return {
- x1: box.left,
- y1: box.top,
- x2: box.right,
- y2: box.bottom,
- index: i,
- x1New: undefined,
- x2New: undefined
- };
- });
- expandBoundsLTR(width, bounds);
- var expanded = new Array(boxes.length);
- bounds.forEach(function (b) {
- var i = b.index;
- expanded[i] = {
- left: b.x1New,
- top: 0,
- right: b.x2New,
- bottom: 0
- };
- });
- // Rotating on 90 degrees and extending extended boxes. Reusing the bounds
- // array and objects.
- boxes.map(function (box, i) {
- var e = expanded[i], b = bounds[i];
- b.x1 = box.top;
- b.y1 = width - e.right;
- b.x2 = box.bottom;
- b.y2 = width - e.left;
- b.index = i;
- b.x1New = undefined;
- b.x2New = undefined;
- });
- expandBoundsLTR(height, bounds);
- bounds.forEach(function (b) {
- var i = b.index;
- expanded[i].top = b.x1New;
- expanded[i].bottom = b.x2New;
- });
- return expanded;
- }
- function expandBoundsLTR(width, bounds) {
- // Sorting by x1 coordinate and walk by the bounds in the same order.
- bounds.sort(function (a, b) {
- return a.x1 - b.x1 || a.index - b.index;
- });
- // First we see on the horizon is a fake boundary.
- var fakeBoundary = {
- x1: -Infinity,
- y1: -Infinity,
- x2: 0,
- y2: Infinity,
- index: -1,
- x1New: 0,
- x2New: 0
- };
- var horizon = [{
- start: -Infinity,
- end: Infinity,
- boundary: fakeBoundary
- }];
- bounds.forEach(function (boundary) {
- // Searching for the affected part of horizon.
- // TODO red-black tree or simple binary search
- var i = 0;
- while (i < horizon.length && horizon[i].end <= boundary.y1) {
- i++;
- }
- var j = horizon.length - 1;
- while (j >= 0 && horizon[j].start >= boundary.y2) {
- j--;
- }
- var horizonPart, affectedBoundary;
- var q, k, maxXNew = -Infinity;
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- var xNew;
- if (affectedBoundary.x2 > boundary.x1) {
- // In the middle of the previous element, new x shall be at the
- // boundary start. Extending if further if the affected bondary
- // placed on top of the current one.
- xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
- } else if (affectedBoundary.x2New === undefined) {
- // We have some space in between, new x in middle will be a fair
- // choice.
- xNew = (affectedBoundary.x2 + boundary.x1) / 2;
- } else {
- // Affected boundary has x2new set, using it as new x.
- xNew = affectedBoundary.x2New;
- }
- if (xNew > maxXNew) {
- maxXNew = xNew;
- }
- }
- // Set new x1 for current boundary.
- boundary.x1New = maxXNew;
- // Adjusts new x2 for the affected boundaries.
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- if (affectedBoundary.x2New === undefined) {
- // Was not set yet, choosing new x if possible.
- if (affectedBoundary.x2 > boundary.x1) {
- // Current and affected boundaries intersect. If affected boundary
- // is placed on top of the current, shrinking the affected.
- if (affectedBoundary.index > boundary.index) {
- affectedBoundary.x2New = affectedBoundary.x2;
- }
- } else {
- affectedBoundary.x2New = maxXNew;
- }
- } else if (affectedBoundary.x2New > maxXNew) {
- // Affected boundary is touching new x, pushing it back.
- affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
- }
- }
- // Fixing the horizon.
- var changedHorizon = [], lastBoundary = null;
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- // Checking which boundary will be visible.
- var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
- if (lastBoundary === useBoundary) {
- // Merging with previous.
- changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
- } else {
- changedHorizon.push({
- start: horizonPart.start,
- end: horizonPart.end,
- boundary: useBoundary
- });
- lastBoundary = useBoundary;
- }
- }
- if (horizon[i].start < boundary.y1) {
- changedHorizon[0].start = boundary.y1;
- changedHorizon.unshift({
- start: horizon[i].start,
- end: boundary.y1,
- boundary: horizon[i].boundary
- });
- }
- if (boundary.y2 < horizon[j].end) {
- changedHorizon[changedHorizon.length - 1].end = boundary.y2;
- changedHorizon.push({
- start: boundary.y2,
- end: horizon[j].end,
- boundary: horizon[j].boundary
- });
- }
- // Set x2 new of boundary that is no longer visible (see overlapping case
- // above).
- // TODO more efficient, e.g. via reference counting.
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- if (affectedBoundary.x2New !== undefined) {
- continue;
- }
- var used = false;
- for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
- used = horizon[k].boundary === affectedBoundary;
- }
- for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
- used = horizon[k].boundary === affectedBoundary;
- }
- for (k = 0; !used && k < changedHorizon.length; k++) {
- used = changedHorizon[k].boundary === affectedBoundary;
- }
- if (!used) {
- affectedBoundary.x2New = maxXNew;
- }
- }
- Array.prototype.splice.apply(horizon, [
- i,
- j - i + 1
- ].concat(changedHorizon));
- });
- // Set new x2 for all unset boundaries.
- horizon.forEach(function (horizonPart) {
- var affectedBoundary = horizonPart.boundary;
- if (affectedBoundary.x2New === undefined) {
- affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
- }
- });
- }
- /**
- * Text layer rendering task.
- *
- * @param {TextContent} textContent
- * @param {HTMLElement} container
- * @param {PageViewport} viewport
- * @param {Array} textDivs
- * @param {boolean} enhanceTextSelection
- * @private
- */
- function TextLayerRenderTask(textContent, container, viewport, textDivs, enhanceTextSelection) {
- this._textContent = textContent;
- this._container = container;
- this._viewport = viewport;
- this._textDivs = textDivs || [];
- this._textDivProperties = new WeakMap();
- this._renderingDone = false;
- this._canceled = false;
- this._capability = createPromiseCapability();
- this._renderTimer = null;
- this._bounds = [];
- this._enhanceTextSelection = !!enhanceTextSelection;
- }
- TextLayerRenderTask.prototype = {
- get promise() {
- return this._capability.promise;
- },
- cancel: function TextLayer_cancel() {
- this._canceled = true;
- if (this._renderTimer !== null) {
- clearTimeout(this._renderTimer);
- this._renderTimer = null;
- }
- this._capability.reject('canceled');
- },
- _render: function TextLayer_render(timeout) {
- var textItems = this._textContent.items;
- var textStyles = this._textContent.styles;
- for (var i = 0, len = textItems.length; i < len; i++) {
- appendText(this, textItems[i], textStyles);
- }
- if (!timeout) {
- // Render right away
- render(this);
- } else {
- // Schedule
- var self = this;
- this._renderTimer = setTimeout(function () {
- render(self);
- self._renderTimer = null;
- }, timeout);
- }
- },
- expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
- if (!this._enhanceTextSelection || !this._renderingDone) {
- return;
- }
- if (this._bounds !== null) {
- expand(this);
- this._bounds = null;
- }
- for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
- var div = this._textDivs[i];
- var divProperties = this._textDivProperties.get(div);
- if (divProperties.isWhitespace) {
- continue;
- }
- if (expandDivs) {
- var transform = '', padding = '';
- if (divProperties.scale !== 1) {
- transform = 'scaleX(' + divProperties.scale + ')';
- }
- if (divProperties.angle !== 0) {
- transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
- }
- if (divProperties.paddingLeft !== 0) {
- padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
- transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
- }
- if (divProperties.paddingTop !== 0) {
- padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
- transform += ' translateY(' + -divProperties.paddingTop + 'px)';
- }
- if (divProperties.paddingRight !== 0) {
- padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
- }
- if (divProperties.paddingBottom !== 0) {
- padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
- }
- if (padding !== '') {
- div.setAttribute('style', divProperties.style + padding);
- }
- if (transform !== '') {
- CustomStyle.setProp('transform', div, transform);
- }
- } else {
- div.style.padding = 0;
- CustomStyle.setProp('transform', div, divProperties.originalTransform || '');
- }
- }
- }
- };
- /**
- * Starts rendering of the text layer.
- *
- * @param {TextLayerRenderParameters} renderParameters
- * @returns {TextLayerRenderTask}
- */
- function renderTextLayer(renderParameters) {
- var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection);
- task._render(renderParameters.timeout);
- return task;
- }
- return renderTextLayer;
- }();
- exports.renderTextLayer = renderTextLayer;
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplayWebGL = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
- }(this, function (exports, sharedUtil, displayDOMUtils) {
- var shadow = sharedUtil.shadow;
- var getDefaultSetting = displayDOMUtils.getDefaultSetting;
- var WebGLUtils = function WebGLUtilsClosure() {
- function loadShader(gl, code, shaderType) {
- var shader = gl.createShader(shaderType);
- gl.shaderSource(shader, code);
- gl.compileShader(shader);
- var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
- if (!compiled) {
- var errorMsg = gl.getShaderInfoLog(shader);
- throw new Error('Error during shader compilation: ' + errorMsg);
- }
- return shader;
- }
- function createVertexShader(gl, code) {
- return loadShader(gl, code, gl.VERTEX_SHADER);
- }
- function createFragmentShader(gl, code) {
- return loadShader(gl, code, gl.FRAGMENT_SHADER);
- }
- function createProgram(gl, shaders) {
- var program = gl.createProgram();
- for (var i = 0, ii = shaders.length; i < ii; ++i) {
- gl.attachShader(program, shaders[i]);
- }
- gl.linkProgram(program);
- var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
- if (!linked) {
- var errorMsg = gl.getProgramInfoLog(program);
- throw new Error('Error during program linking: ' + errorMsg);
- }
- return program;
- }
- function createTexture(gl, image, textureId) {
- gl.activeTexture(textureId);
- var texture = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_2D, texture);
- // Set the parameters so we can render any size image.
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
- // Upload the image into the texture.
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
- return texture;
- }
- var currentGL, currentCanvas;
- function generateGL() {
- if (currentGL) {
- return;
- }
- currentCanvas = document.createElement('canvas');
- currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false });
- }
- var smaskVertexShaderCode = '\
- attribute vec2 a_position; \
- attribute vec2 a_texCoord; \
- \
- uniform vec2 u_resolution; \
- \
- varying vec2 v_texCoord; \
- \
- void main() { \
- vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \
- gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
- \
- v_texCoord = a_texCoord; \
- } ';
- var smaskFragmentShaderCode = '\
- precision mediump float; \
- \
- uniform vec4 u_backdrop; \
- uniform int u_subtype; \
- uniform sampler2D u_image; \
- uniform sampler2D u_mask; \
- \
- varying vec2 v_texCoord; \
- \
- void main() { \
- vec4 imageColor = texture2D(u_image, v_texCoord); \
- vec4 maskColor = texture2D(u_mask, v_texCoord); \
- if (u_backdrop.a > 0.0) { \
- maskColor.rgb = maskColor.rgb * maskColor.a + \
- u_backdrop.rgb * (1.0 - maskColor.a); \
- } \
- float lum; \
- if (u_subtype == 0) { \
- lum = maskColor.a; \
- } else { \
- lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \
- maskColor.b * 0.11; \
- } \
- imageColor.a *= lum; \
- imageColor.rgb *= imageColor.a; \
- gl_FragColor = imageColor; \
- } ';
- var smaskCache = null;
- function initSmaskGL() {
- var canvas, gl;
- generateGL();
- canvas = currentCanvas;
- currentCanvas = null;
- gl = currentGL;
- currentGL = null;
- // setup a GLSL program
- var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
- var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
- var program = createProgram(gl, [
- vertexShader,
- fragmentShader
- ]);
- gl.useProgram(program);
- var cache = {};
- cache.gl = gl;
- cache.canvas = canvas;
- cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
- cache.positionLocation = gl.getAttribLocation(program, 'a_position');
- cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
- cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
- var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
- var texLayerLocation = gl.getUniformLocation(program, 'u_image');
- var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
- // provide texture coordinates for the rectangle.
- var texCoordBuffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
- 0.0,
- 0.0,
- 1.0,
- 0.0,
- 0.0,
- 1.0,
- 0.0,
- 1.0,
- 1.0,
- 0.0,
- 1.0,
- 1.0
- ]), gl.STATIC_DRAW);
- gl.enableVertexAttribArray(texCoordLocation);
- gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
- gl.uniform1i(texLayerLocation, 0);
- gl.uniform1i(texMaskLocation, 1);
- smaskCache = cache;
- }
- function composeSMask(layer, mask, properties) {
- var width = layer.width, height = layer.height;
- if (!smaskCache) {
- initSmaskGL();
- }
- var cache = smaskCache, canvas = cache.canvas, gl = cache.gl;
- canvas.width = width;
- canvas.height = height;
- gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
- gl.uniform2f(cache.resolutionLocation, width, height);
- if (properties.backdrop) {
- gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
- } else {
- gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
- }
- gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0);
- // Create a textures
- var texture = createTexture(gl, layer, gl.TEXTURE0);
- var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
- // Create a buffer and put a single clipspace rectangle in
- // it (2 triangles)
- var buffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
- 0,
- 0,
- width,
- 0,
- 0,
- height,
- 0,
- height,
- width,
- 0,
- width,
- height
- ]), gl.STATIC_DRAW);
- gl.enableVertexAttribArray(cache.positionLocation);
- gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
- // draw
- gl.clearColor(0, 0, 0, 0);
- gl.enable(gl.BLEND);
- gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
- gl.clear(gl.COLOR_BUFFER_BIT);
- gl.drawArrays(gl.TRIANGLES, 0, 6);
- gl.flush();
- gl.deleteTexture(texture);
- gl.deleteTexture(maskTexture);
- gl.deleteBuffer(buffer);
- return canvas;
- }
- var figuresVertexShaderCode = '\
- attribute vec2 a_position; \
- attribute vec3 a_color; \
- \
- uniform vec2 u_resolution; \
- uniform vec2 u_scale; \
- uniform vec2 u_offset; \
- \
- varying vec4 v_color; \
- \
- void main() { \
- vec2 position = (a_position + u_offset) * u_scale; \
- vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \
- gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
- \
- v_color = vec4(a_color / 255.0, 1.0); \
- } ';
- var figuresFragmentShaderCode = '\
- precision mediump float; \
- \
- varying vec4 v_color; \
- \
- void main() { \
- gl_FragColor = v_color; \
- } ';
- var figuresCache = null;
- function initFiguresGL() {
- var canvas, gl;
- generateGL();
- canvas = currentCanvas;
- currentCanvas = null;
- gl = currentGL;
- currentGL = null;
- // setup a GLSL program
- var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
- var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
- var program = createProgram(gl, [
- vertexShader,
- fragmentShader
- ]);
- gl.useProgram(program);
- var cache = {};
- cache.gl = gl;
- cache.canvas = canvas;
- cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
- cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
- cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
- cache.positionLocation = gl.getAttribLocation(program, 'a_position');
- cache.colorLocation = gl.getAttribLocation(program, 'a_color');
- figuresCache = cache;
- }
- function drawFigures(width, height, backgroundColor, figures, context) {
- if (!figuresCache) {
- initFiguresGL();
- }
- var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;
- canvas.width = width;
- canvas.height = height;
- gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
- gl.uniform2f(cache.resolutionLocation, width, height);
- // count triangle points
- var count = 0;
- var i, ii, rows;
- for (i = 0, ii = figures.length; i < ii; i++) {
- switch (figures[i].type) {
- case 'lattice':
- rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
- count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
- break;
- case 'triangles':
- count += figures[i].coords.length;
- break;
- }
- }
- // transfer data
- var coords = new Float32Array(count * 2);
- var colors = new Uint8Array(count * 3);
- var coordsMap = context.coords, colorsMap = context.colors;
- var pIndex = 0, cIndex = 0;
- for (i = 0, ii = figures.length; i < ii; i++) {
- var figure = figures[i], ps = figure.coords, cs = figure.colors;
- switch (figure.type) {
- case 'lattice':
- var cols = figure.verticesPerRow;
- rows = ps.length / cols | 0;
- for (var row = 1; row < rows; row++) {
- var offset = row * cols + 1;
- for (var col = 1; col < cols; col++, offset++) {
- coords[pIndex] = coordsMap[ps[offset - cols - 1]];
- coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
- coords[pIndex + 2] = coordsMap[ps[offset - cols]];
- coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
- coords[pIndex + 4] = coordsMap[ps[offset - 1]];
- coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
- colors[cIndex] = colorsMap[cs[offset - cols - 1]];
- colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
- colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
- colors[cIndex + 3] = colorsMap[cs[offset - cols]];
- colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
- colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
- colors[cIndex + 6] = colorsMap[cs[offset - 1]];
- colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
- colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
- coords[pIndex + 6] = coords[pIndex + 2];
- coords[pIndex + 7] = coords[pIndex + 3];
- coords[pIndex + 8] = coords[pIndex + 4];
- coords[pIndex + 9] = coords[pIndex + 5];
- coords[pIndex + 10] = coordsMap[ps[offset]];
- coords[pIndex + 11] = coordsMap[ps[offset] + 1];
- colors[cIndex + 9] = colors[cIndex + 3];
- colors[cIndex + 10] = colors[cIndex + 4];
- colors[cIndex + 11] = colors[cIndex + 5];
- colors[cIndex + 12] = colors[cIndex + 6];
- colors[cIndex + 13] = colors[cIndex + 7];
- colors[cIndex + 14] = colors[cIndex + 8];
- colors[cIndex + 15] = colorsMap[cs[offset]];
- colors[cIndex + 16] = colorsMap[cs[offset] + 1];
- colors[cIndex + 17] = colorsMap[cs[offset] + 2];
- pIndex += 12;
- cIndex += 18;
- }
- }
- break;
- case 'triangles':
- for (var j = 0, jj = ps.length; j < jj; j++) {
- coords[pIndex] = coordsMap[ps[j]];
- coords[pIndex + 1] = coordsMap[ps[j] + 1];
- colors[cIndex] = colorsMap[cs[j]];
- colors[cIndex + 1] = colorsMap[cs[j] + 1];
- colors[cIndex + 2] = colorsMap[cs[j] + 2];
- pIndex += 2;
- cIndex += 3;
- }
- break;
- }
- }
- // draw
- if (backgroundColor) {
- gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
- } else {
- gl.clearColor(0, 0, 0, 0);
- }
- gl.clear(gl.COLOR_BUFFER_BIT);
- var coordsBuffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
- gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
- gl.enableVertexAttribArray(cache.positionLocation);
- gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
- var colorsBuffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
- gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
- gl.enableVertexAttribArray(cache.colorLocation);
- gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
- gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
- gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
- gl.drawArrays(gl.TRIANGLES, 0, count);
- gl.flush();
- gl.deleteBuffer(coordsBuffer);
- gl.deleteBuffer(colorsBuffer);
- return canvas;
- }
- function cleanup() {
- if (smaskCache && smaskCache.canvas) {
- smaskCache.canvas.width = 0;
- smaskCache.canvas.height = 0;
- }
- if (figuresCache && figuresCache.canvas) {
- figuresCache.canvas.width = 0;
- figuresCache.canvas.height = 0;
- }
- smaskCache = null;
- figuresCache = null;
- }
- return {
- get isEnabled() {
- if (getDefaultSetting('disableWebGL')) {
- return false;
- }
- var enabled = false;
- try {
- generateGL();
- enabled = !!currentGL;
- } catch (e) {
- }
- return shadow(this, 'isEnabled', enabled);
- },
- composeSMask: composeSMask,
- drawFigures: drawFigures,
- clear: cleanup
- };
- }();
- exports.WebGLUtils = WebGLUtils;
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplayPatternHelper = {}, root.pdfjsSharedUtil, root.pdfjsDisplayWebGL);
- }(this, function (exports, sharedUtil, displayWebGL) {
- var Util = sharedUtil.Util;
- var info = sharedUtil.info;
- var isArray = sharedUtil.isArray;
- var error = sharedUtil.error;
- var WebGLUtils = displayWebGL.WebGLUtils;
- var ShadingIRs = {};
- ShadingIRs.RadialAxial = {
- fromIR: function RadialAxial_fromIR(raw) {
- var type = raw[1];
- var colorStops = raw[2];
- var p0 = raw[3];
- var p1 = raw[4];
- var r0 = raw[5];
- var r1 = raw[6];
- return {
- type: 'Pattern',
- getPattern: function RadialAxial_getPattern(ctx) {
- var grad;
- if (type === 'axial') {
- grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
- } else if (type === 'radial') {
- grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
- }
- for (var i = 0, ii = colorStops.length; i < ii; ++i) {
- var c = colorStops[i];
- grad.addColorStop(c[0], c[1]);
- }
- return grad;
- }
- };
- }
- };
- var createMeshCanvas = function createMeshCanvasClosure() {
- function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
- // Very basic Gouraud-shaded triangle rasterization algorithm.
- var coords = context.coords, colors = context.colors;
- var bytes = data.data, rowSize = data.width * 4;
- var tmp;
- if (coords[p1 + 1] > coords[p2 + 1]) {
- tmp = p1;
- p1 = p2;
- p2 = tmp;
- tmp = c1;
- c1 = c2;
- c2 = tmp;
- }
- if (coords[p2 + 1] > coords[p3 + 1]) {
- tmp = p2;
- p2 = p3;
- p3 = tmp;
- tmp = c2;
- c2 = c3;
- c3 = tmp;
- }
- if (coords[p1 + 1] > coords[p2 + 1]) {
- tmp = p1;
- p1 = p2;
- p2 = tmp;
- tmp = c1;
- c1 = c2;
- c2 = tmp;
- }
- var x1 = (coords[p1] + context.offsetX) * context.scaleX;
- var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
- var x2 = (coords[p2] + context.offsetX) * context.scaleX;
- var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
- var x3 = (coords[p3] + context.offsetX) * context.scaleX;
- var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
- if (y1 >= y3) {
- return;
- }
- var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2];
- var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2];
- var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2];
- var minY = Math.round(y1), maxY = Math.round(y3);
- var xa, car, cag, cab;
- var xb, cbr, cbg, cbb;
- var k;
- for (var y = minY; y <= maxY; y++) {
- if (y < y2) {
- k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
- xa = x1 - (x1 - x2) * k;
- car = c1r - (c1r - c2r) * k;
- cag = c1g - (c1g - c2g) * k;
- cab = c1b - (c1b - c2b) * k;
- } else {
- k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
- xa = x2 - (x2 - x3) * k;
- car = c2r - (c2r - c3r) * k;
- cag = c2g - (c2g - c3g) * k;
- cab = c2b - (c2b - c3b) * k;
- }
- k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
- xb = x1 - (x1 - x3) * k;
- cbr = c1r - (c1r - c3r) * k;
- cbg = c1g - (c1g - c3g) * k;
- cbb = c1b - (c1b - c3b) * k;
- var x1_ = Math.round(Math.min(xa, xb));
- var x2_ = Math.round(Math.max(xa, xb));
- var j = rowSize * y + x1_ * 4;
- for (var x = x1_; x <= x2_; x++) {
- k = (xa - x) / (xa - xb);
- k = k < 0 ? 0 : k > 1 ? 1 : k;
- bytes[j++] = car - (car - cbr) * k | 0;
- bytes[j++] = cag - (cag - cbg) * k | 0;
- bytes[j++] = cab - (cab - cbb) * k | 0;
- bytes[j++] = 255;
- }
- }
- }
- function drawFigure(data, figure, context) {
- var ps = figure.coords;
- var cs = figure.colors;
- var i, ii;
- switch (figure.type) {
- case 'lattice':
- var verticesPerRow = figure.verticesPerRow;
- var rows = Math.floor(ps.length / verticesPerRow) - 1;
- var cols = verticesPerRow - 1;
- for (i = 0; i < rows; i++) {
- var q = i * verticesPerRow;
- for (var j = 0; j < cols; j++, q++) {
- drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
- drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
- }
- }
- break;
- case 'triangles':
- for (i = 0, ii = ps.length; i < ii; i += 3) {
- drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
- }
- break;
- default:
- error('illigal figure');
- break;
- }
- }
- function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) {
- // we will increase scale on some weird factor to let antialiasing take
- // care of "rough" edges
- var EXPECTED_SCALE = 1.1;
- // MAX_PATTERN_SIZE is used to avoid OOM situation.
- var MAX_PATTERN_SIZE = 3000;
- // 10in @ 300dpi shall be enough
- // We need to keep transparent border around our pattern for fill():
- // createPattern with 'no-repeat' will bleed edges across entire area.
- var BORDER_SIZE = 2;
- var offsetX = Math.floor(bounds[0]);
- var offsetY = Math.floor(bounds[1]);
- var boundsWidth = Math.ceil(bounds[2]) - offsetX;
- var boundsHeight = Math.ceil(bounds[3]) - offsetY;
- var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
- var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
- var scaleX = boundsWidth / width;
- var scaleY = boundsHeight / height;
- var context = {
- coords: coords,
- colors: colors,
- offsetX: -offsetX,
- offsetY: -offsetY,
- scaleX: 1 / scaleX,
- scaleY: 1 / scaleY
- };
- var paddedWidth = width + BORDER_SIZE * 2;
- var paddedHeight = height + BORDER_SIZE * 2;
- var canvas, tmpCanvas, i, ii;
- if (WebGLUtils.isEnabled) {
- canvas = WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
- // https://bugzilla.mozilla.org/show_bug.cgi?id=972126
- tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
- tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
- canvas = tmpCanvas.canvas;
- } else {
- tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
- var tmpCtx = tmpCanvas.context;
- var data = tmpCtx.createImageData(width, height);
- if (backgroundColor) {
- var bytes = data.data;
- for (i = 0, ii = bytes.length; i < ii; i += 4) {
- bytes[i] = backgroundColor[0];
- bytes[i + 1] = backgroundColor[1];
- bytes[i + 2] = backgroundColor[2];
- bytes[i + 3] = 255;
- }
- }
- for (i = 0; i < figures.length; i++) {
- drawFigure(data, figures[i], context);
- }
- tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
- canvas = tmpCanvas.canvas;
- }
- return {
- canvas: canvas,
- offsetX: offsetX - BORDER_SIZE * scaleX,
- offsetY: offsetY - BORDER_SIZE * scaleY,
- scaleX: scaleX,
- scaleY: scaleY
- };
- }
- return createMeshCanvas;
- }();
- ShadingIRs.Mesh = {
- fromIR: function Mesh_fromIR(raw) {
- //var type = raw[1];
- var coords = raw[2];
- var colors = raw[3];
- var figures = raw[4];
- var bounds = raw[5];
- var matrix = raw[6];
- //var bbox = raw[7];
- var background = raw[8];
- return {
- type: 'Pattern',
- getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
- var scale;
- if (shadingFill) {
- scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
- } else {
- // Obtain scale from matrix and current transformation matrix.
- scale = Util.singularValueDecompose2dScale(owner.baseTransform);
- if (matrix) {
- var matrixScale = Util.singularValueDecompose2dScale(matrix);
- scale = [
- scale[0] * matrixScale[0],
- scale[1] * matrixScale[1]
- ];
- }
- }
- // Rasterizing on the main thread since sending/queue large canvases
- // might cause OOM.
- var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases);
- if (!shadingFill) {
- ctx.setTransform.apply(ctx, owner.baseTransform);
- if (matrix) {
- ctx.transform.apply(ctx, matrix);
- }
- }
- ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
- ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
- return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
- }
- };
- }
- };
- ShadingIRs.Dummy = {
- fromIR: function Dummy_fromIR() {
- return {
- type: 'Pattern',
- getPattern: function Dummy_fromIR_getPattern() {
- return 'hotpink';
- }
- };
- }
- };
- function getShadingPatternFromIR(raw) {
- var shadingIR = ShadingIRs[raw[0]];
- if (!shadingIR) {
- error('Unknown IR type: ' + raw[0]);
- }
- return shadingIR.fromIR(raw);
- }
- var TilingPattern = function TilingPatternClosure() {
- var PaintType = {
- COLORED: 1,
- UNCOLORED: 2
- };
- var MAX_PATTERN_SIZE = 3000;
- // 10in @ 300dpi shall be enough
- function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
- this.operatorList = IR[2];
- this.matrix = IR[3] || [
- 1,
- 0,
- 0,
- 1,
- 0,
- 0
- ];
- this.bbox = IR[4];
- this.xstep = IR[5];
- this.ystep = IR[6];
- this.paintType = IR[7];
- this.tilingType = IR[8];
- this.color = color;
- this.canvasGraphicsFactory = canvasGraphicsFactory;
- this.baseTransform = baseTransform;
- this.type = 'Pattern';
- this.ctx = ctx;
- }
- TilingPattern.prototype = {
- createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
- var operatorList = this.operatorList;
- var bbox = this.bbox;
- var xstep = this.xstep;
- var ystep = this.ystep;
- var paintType = this.paintType;
- var tilingType = this.tilingType;
- var color = this.color;
- var canvasGraphicsFactory = this.canvasGraphicsFactory;
- info('TilingType: ' + tilingType);
- var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3];
- var topLeft = [
- x0,
- y0
- ];
- // we want the canvas to be as large as the step size
- var botRight = [
- x0 + xstep,
- y0 + ystep
- ];
- var width = botRight[0] - topLeft[0];
- var height = botRight[1] - topLeft[1];
- // Obtain scale from matrix and current transformation matrix.
- var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
- var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
- var combinedScale = [
- matrixScale[0] * curMatrixScale[0],
- matrixScale[1] * curMatrixScale[1]
- ];
- // MAX_PATTERN_SIZE is used to avoid OOM situation.
- // Use width and height values that are as close as possible to the end
- // result when the pattern is used. Too low value makes the pattern look
- // blurry. Too large value makes it look too crispy.
- width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
- height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
- var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
- var tmpCtx = tmpCanvas.context;
- var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
- graphics.groupLevel = owner.groupLevel;
- this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
- this.setScale(width, height, xstep, ystep);
- this.transformToScale(graphics);
- // transform coordinates to pattern space
- var tmpTranslate = [
- 1,
- 0,
- 0,
- 1,
- -topLeft[0],
- -topLeft[1]
- ];
- graphics.transform.apply(graphics, tmpTranslate);
- this.clipBbox(graphics, bbox, x0, y0, x1, y1);
- graphics.executeOperatorList(operatorList);
- return tmpCanvas.canvas;
- },
- setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
- this.scale = [
- width / xstep,
- height / ystep
- ];
- },
- transformToScale: function TilingPattern_transformToScale(graphics) {
- var scale = this.scale;
- var tmpScale = [
- scale[0],
- 0,
- 0,
- scale[1],
- 0,
- 0
- ];
- graphics.transform.apply(graphics, tmpScale);
- },
- scaleToContext: function TilingPattern_scaleToContext() {
- var scale = this.scale;
- this.ctx.scale(1 / scale[0], 1 / scale[1]);
- },
- clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
- if (bbox && isArray(bbox) && bbox.length === 4) {
- var bboxWidth = x1 - x0;
- var bboxHeight = y1 - y0;
- graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
- graphics.clip();
- graphics.endPath();
- }
- },
- setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) {
- switch (paintType) {
- case PaintType.COLORED:
- var ctx = this.ctx;
- context.fillStyle = ctx.fillStyle;
- context.strokeStyle = ctx.strokeStyle;
- break;
- case PaintType.UNCOLORED:
- var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);
- context.fillStyle = cssColor;
- context.strokeStyle = cssColor;
- break;
- default:
- error('Unsupported paint type: ' + paintType);
- }
- },
- getPattern: function TilingPattern_getPattern(ctx, owner) {
- var temporaryPatternCanvas = this.createPatternCanvas(owner);
- ctx = this.ctx;
- ctx.setTransform.apply(ctx, this.baseTransform);
- ctx.transform.apply(ctx, this.matrix);
- this.scaleToContext();
- return ctx.createPattern(temporaryPatternCanvas, 'repeat');
- }
- };
- return TilingPattern;
- }();
- exports.getShadingPatternFromIR = getShadingPatternFromIR;
- exports.TilingPattern = TilingPattern;
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplayCanvas = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayPatternHelper, root.pdfjsDisplayWebGL);
- }(this, function (exports, sharedUtil, displayDOMUtils, displayPatternHelper, displayWebGL) {
- var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
- var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
- var ImageKind = sharedUtil.ImageKind;
- var OPS = sharedUtil.OPS;
- var TextRenderingMode = sharedUtil.TextRenderingMode;
- var Uint32ArrayView = sharedUtil.Uint32ArrayView;
- var Util = sharedUtil.Util;
- var assert = sharedUtil.assert;
- var info = sharedUtil.info;
- var isNum = sharedUtil.isNum;
- var isArray = sharedUtil.isArray;
- var isLittleEndian = sharedUtil.isLittleEndian;
- var error = sharedUtil.error;
- var shadow = sharedUtil.shadow;
- var warn = sharedUtil.warn;
- var TilingPattern = displayPatternHelper.TilingPattern;
- var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
- var WebGLUtils = displayWebGL.WebGLUtils;
- var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
- // <canvas> contexts store most of the state we need natively.
- // However, PDF needs a bit more state, which we store here.
- // Minimal font size that would be used during canvas fillText operations.
- var MIN_FONT_SIZE = 16;
- // Maximum font size that would be used during canvas fillText operations.
- var MAX_FONT_SIZE = 100;
- var MAX_GROUP_SIZE = 4096;
- // Heuristic value used when enforcing minimum line widths.
- var MIN_WIDTH_FACTOR = 0.65;
- var COMPILE_TYPE3_GLYPHS = true;
- var MAX_SIZE_TO_COMPILE = 1000;
- var FULL_CHUNK_HEIGHT = 16;
- var HasCanvasTypedArraysCached = {
- get value() {
- return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
- }
- };
- var IsLittleEndianCached = {
- get value() {
- return shadow(IsLittleEndianCached, 'value', isLittleEndian());
- }
- };
- function createScratchCanvas(width, height) {
- var canvas = document.createElement('canvas');
- canvas.width = width;
- canvas.height = height;
- return canvas;
- }
- function addContextCurrentTransform(ctx) {
- // If the context doesn't expose a `mozCurrentTransform`, add a JS based one.
- if (!ctx.mozCurrentTransform) {
- ctx._originalSave = ctx.save;
- ctx._originalRestore = ctx.restore;
- ctx._originalRotate = ctx.rotate;
- ctx._originalScale = ctx.scale;
- ctx._originalTranslate = ctx.translate;
- ctx._originalTransform = ctx.transform;
- ctx._originalSetTransform = ctx.setTransform;
- ctx._transformMatrix = ctx._transformMatrix || [
- 1,
- 0,
- 0,
- 1,
- 0,
- 0
- ];
- ctx._transformStack = [];
- Object.defineProperty(ctx, 'mozCurrentTransform', {
- get: function getCurrentTransform() {
- return this._transformMatrix;
- }
- });
- Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
- get: function getCurrentTransformInverse() {
- // Calculation done using WolframAlpha:
- // http://www.wolframalpha.com/input/?
- // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}}
- var m = this._transformMatrix;
- var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];
- var ad_bc = a * d - b * c;
- var bc_ad = b * c - a * d;
- return [
- d / ad_bc,
- b / bc_ad,
- c / bc_ad,
- a / ad_bc,
- (d * e - c * f) / bc_ad,
- (b * e - a * f) / ad_bc
- ];
- }
- });
- ctx.save = function ctxSave() {
- var old = this._transformMatrix;
- this._transformStack.push(old);
- this._transformMatrix = old.slice(0, 6);
- this._originalSave();
- };
- ctx.restore = function ctxRestore() {
- var prev = this._transformStack.pop();
- if (prev) {
- this._transformMatrix = prev;
- this._originalRestore();
- }
- };
- ctx.translate = function ctxTranslate(x, y) {
- var m = this._transformMatrix;
- m[4] = m[0] * x + m[2] * y + m[4];
- m[5] = m[1] * x + m[3] * y + m[5];
- this._originalTranslate(x, y);
- };
- ctx.scale = function ctxScale(x, y) {
- var m = this._transformMatrix;
- m[0] = m[0] * x;
- m[1] = m[1] * x;
- m[2] = m[2] * y;
- m[3] = m[3] * y;
- this._originalScale(x, y);
- };
- ctx.transform = function ctxTransform(a, b, c, d, e, f) {
- var m = this._transformMatrix;
- this._transformMatrix = [
- m[0] * a + m[2] * b,
- m[1] * a + m[3] * b,
- m[0] * c + m[2] * d,
- m[1] * c + m[3] * d,
- m[0] * e + m[2] * f + m[4],
- m[1] * e + m[3] * f + m[5]
- ];
- ctx._originalTransform(a, b, c, d, e, f);
- };
- ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
- this._transformMatrix = [
- a,
- b,
- c,
- d,
- e,
- f
- ];
- ctx._originalSetTransform(a, b, c, d, e, f);
- };
- ctx.rotate = function ctxRotate(angle) {
- var cosValue = Math.cos(angle);
- var sinValue = Math.sin(angle);
- var m = this._transformMatrix;
- this._transformMatrix = [
- m[0] * cosValue + m[2] * sinValue,
- m[1] * cosValue + m[3] * sinValue,
- m[0] * -sinValue + m[2] * cosValue,
- m[1] * -sinValue + m[3] * cosValue,
- m[4],
- m[5]
- ];
- this._originalRotate(angle);
- };
- }
- }
- var CachedCanvases = function CachedCanvasesClosure() {
- function CachedCanvases() {
- this.cache = Object.create(null);
- }
- CachedCanvases.prototype = {
- getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
- var canvasEntry;
- if (this.cache[id] !== undefined) {
- canvasEntry = this.cache[id];
- canvasEntry.canvas.width = width;
- canvasEntry.canvas.height = height;
- // reset canvas transform for emulated mozCurrentTransform, if needed
- canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
- } else {
- var canvas = createScratchCanvas(width, height);
- var ctx = canvas.getContext('2d');
- if (trackTransform) {
- addContextCurrentTransform(ctx);
- }
- this.cache[id] = canvasEntry = {
- canvas: canvas,
- context: ctx
- };
- }
- return canvasEntry;
- },
- clear: function () {
- for (var id in this.cache) {
- var canvasEntry = this.cache[id];
- // Zeroing the width and height causes Firefox to release graphics
- // resources immediately, which can greatly reduce memory consumption.
- canvasEntry.canvas.width = 0;
- canvasEntry.canvas.height = 0;
- delete this.cache[id];
- }
- }
- };
- return CachedCanvases;
- }();
- function compileType3Glyph(imgData) {
- var POINT_TO_PROCESS_LIMIT = 1000;
- var width = imgData.width, height = imgData.height;
- var i, j, j0, width1 = width + 1;
- var points = new Uint8Array(width1 * (height + 1));
- var POINT_TYPES = new Uint8Array([
- 0,
- 2,
- 4,
- 0,
- 1,
- 0,
- 5,
- 4,
- 8,
- 10,
- 0,
- 8,
- 0,
- 2,
- 1,
- 0
- ]);
- // decodes bit-packed mask data
- var lineSize = width + 7 & ~7, data0 = imgData.data;
- var data = new Uint8Array(lineSize * height), pos = 0, ii;
- for (i = 0, ii = data0.length; i < ii; i++) {
- var mask = 128, elem = data0[i];
- while (mask > 0) {
- data[pos++] = elem & mask ? 0 : 255;
- mask >>= 1;
- }
- }
- // finding iteresting points: every point is located between mask pixels,
- // so there will be points of the (width + 1)x(height + 1) grid. Every point
- // will have flags assigned based on neighboring mask pixels:
- // 4 | 8
- // --P--
- // 2 | 1
- // We are interested only in points with the flags:
- // - outside corners: 1, 2, 4, 8;
- // - inside corners: 7, 11, 13, 14;
- // - and, intersections: 5, 10.
- var count = 0;
- pos = 0;
- if (data[pos] !== 0) {
- points[0] = 1;
- ++count;
- }
- for (j = 1; j < width; j++) {
- if (data[pos] !== data[pos + 1]) {
- points[j] = data[pos] ? 2 : 1;
- ++count;
- }
- pos++;
- }
- if (data[pos] !== 0) {
- points[j] = 2;
- ++count;
- }
- for (i = 1; i < height; i++) {
- pos = i * lineSize;
- j0 = i * width1;
- if (data[pos - lineSize] !== data[pos]) {
- points[j0] = data[pos] ? 1 : 8;
- ++count;
- }
- // 'sum' is the position of the current pixel configuration in the 'TYPES'
- // array (in order 8-1-2-4, so we can use '>>2' to shift the column).
- var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
- for (j = 1; j < width; j++) {
- sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
- if (POINT_TYPES[sum]) {
- points[j0 + j] = POINT_TYPES[sum];
- ++count;
- }
- pos++;
- }
- if (data[pos - lineSize] !== data[pos]) {
- points[j0 + j] = data[pos] ? 2 : 4;
- ++count;
- }
- if (count > POINT_TO_PROCESS_LIMIT) {
- return null;
- }
- }
- pos = lineSize * (height - 1);
- j0 = i * width1;
- if (data[pos] !== 0) {
- points[j0] = 8;
- ++count;
- }
- for (j = 1; j < width; j++) {
- if (data[pos] !== data[pos + 1]) {
- points[j0 + j] = data[pos] ? 4 : 8;
- ++count;
- }
- pos++;
- }
- if (data[pos] !== 0) {
- points[j0 + j] = 4;
- ++count;
- }
- if (count > POINT_TO_PROCESS_LIMIT) {
- return null;
- }
- // building outlines
- var steps = new Int32Array([
- 0,
- width1,
- -1,
- 0,
- -width1,
- 0,
- 0,
- 0,
- 1
- ]);
- var outlines = [];
- for (i = 0; count && i <= height; i++) {
- var p = i * width1;
- var end = p + width;
- while (p < end && !points[p]) {
- p++;
- }
- if (p === end) {
- continue;
- }
- var coords = [
- p % width1,
- i
- ];
- var type = points[p], p0 = p, pp;
- do {
- var step = steps[type];
- do {
- p += step;
- } while (!points[p]);
- pp = points[p];
- if (pp !== 5 && pp !== 10) {
- // set new direction
- type = pp;
- // delete mark
- points[p] = 0;
- } else {
- // type is 5 or 10, ie, a crossing
- // set new direction
- type = pp & 0x33 * type >> 4;
- // set new type for "future hit"
- points[p] &= type >> 2 | type << 2;
- }
- coords.push(p % width1);
- coords.push(p / width1 | 0);
- --count;
- } while (p0 !== p);
- outlines.push(coords);
- --i;
- }
- var drawOutline = function (c) {
- c.save();
- // the path shall be painted in [0..1]x[0..1] space
- c.scale(1 / width, -1 / height);
- c.translate(0, -height);
- c.beginPath();
- for (var i = 0, ii = outlines.length; i < ii; i++) {
- var o = outlines[i];
- c.moveTo(o[0], o[1]);
- for (var j = 2, jj = o.length; j < jj; j += 2) {
- c.lineTo(o[j], o[j + 1]);
- }
- }
- c.fill();
- c.beginPath();
- c.restore();
- };
- return drawOutline;
- }
- var CanvasExtraState = function CanvasExtraStateClosure() {
- function CanvasExtraState(old) {
- // Are soft masks and alpha values shapes or opacities?
- this.alphaIsShape = false;
- this.fontSize = 0;
- this.fontSizeScale = 1;
- this.textMatrix = IDENTITY_MATRIX;
- this.textMatrixScale = 1;
- this.fontMatrix = FONT_IDENTITY_MATRIX;
- this.leading = 0;
- // Current point (in user coordinates)
- this.x = 0;
- this.y = 0;
- // Start of text line (in text coordinates)
- this.lineX = 0;
- this.lineY = 0;
- // Character and word spacing
- this.charSpacing = 0;
- this.wordSpacing = 0;
- this.textHScale = 1;
- this.textRenderingMode = TextRenderingMode.FILL;
- this.textRise = 0;
- // Default fore and background colors
- this.fillColor = '#000000';
- this.strokeColor = '#000000';
- this.patternFill = false;
- // Note: fill alpha applies to all non-stroking operations
- this.fillAlpha = 1;
- this.strokeAlpha = 1;
- this.lineWidth = 1;
- this.activeSMask = null;
- this.resumeSMaskCtx = null;
- // nonclonable field (see the save method below)
- this.old = old;
- }
- CanvasExtraState.prototype = {
- clone: function CanvasExtraState_clone() {
- return Object.create(this);
- },
- setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
- this.x = x;
- this.y = y;
- }
- };
- return CanvasExtraState;
- }();
- var CanvasGraphics = function CanvasGraphicsClosure() {
- // Defines the time the executeOperatorList is going to be executing
- // before it stops and shedules a continue of execution.
- var EXECUTION_TIME = 15;
- // Defines the number of steps before checking the execution time
- var EXECUTION_STEPS = 10;
- function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) {
- this.ctx = canvasCtx;
- this.current = new CanvasExtraState();
- this.stateStack = [];
- this.pendingClip = null;
- this.pendingEOFill = false;
- this.res = null;
- this.xobjs = null;
- this.commonObjs = commonObjs;
- this.objs = objs;
- this.imageLayer = imageLayer;
- this.groupStack = [];
- this.processingType3 = null;
- // Patterns are painted relative to the initial page/form transform, see pdf
- // spec 8.7.2 NOTE 1.
- this.baseTransform = null;
- this.baseTransformStack = [];
- this.groupLevel = 0;
- this.smaskStack = [];
- this.smaskCounter = 0;
- this.tempSMask = null;
- this.cachedCanvases = new CachedCanvases();
- if (canvasCtx) {
- // NOTE: if mozCurrentTransform is polyfilled, then the current state of
- // the transformation must already be set in canvasCtx._transformMatrix.
- addContextCurrentTransform(canvasCtx);
- }
- this.cachedGetSinglePixelWidth = null;
- }
- function putBinaryImageData(ctx, imgData) {
- if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
- ctx.putImageData(imgData, 0, 0);
- return;
- }
- // Put the image data to the canvas in chunks, rather than putting the
- // whole image at once. This saves JS memory, because the ImageData object
- // is smaller. It also possibly saves C++ memory within the implementation
- // of putImageData(). (E.g. in Firefox we make two short-lived copies of
- // the data passed to putImageData()). |n| shouldn't be too small, however,
- // because too many putImageData() calls will slow things down.
- //
- // Note: as written, if the last chunk is partial, the putImageData() call
- // will (conceptually) put pixels past the bounds of the canvas. But
- // that's ok; any such pixels are ignored.
- var height = imgData.height, width = imgData.width;
- var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
- var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
- var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
- var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
- var srcPos = 0, destPos;
- var src = imgData.data;
- var dest = chunkImgData.data;
- var i, j, thisChunkHeight, elemsInThisChunk;
- // There are multiple forms in which the pixel data can be passed, and
- // imgData.kind tells us which one this is.
- if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
- // Grayscale, 1 bit per pixel (i.e. black-and-white).
- var srcLength = src.byteLength;
- var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
- var dest32DataLength = dest32.length;
- var fullSrcDiff = width + 7 >> 3;
- var white = 0xFFFFFFFF;
- var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
- for (i = 0; i < totalChunks; i++) {
- thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
- destPos = 0;
- for (j = 0; j < thisChunkHeight; j++) {
- var srcDiff = srcLength - srcPos;
- var k = 0;
- var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
- var kEndUnrolled = kEnd & ~7;
- var mask = 0;
- var srcByte = 0;
- for (; k < kEndUnrolled; k += 8) {
- srcByte = src[srcPos++];
- dest32[destPos++] = srcByte & 128 ? white : black;
- dest32[destPos++] = srcByte & 64 ? white : black;
- dest32[destPos++] = srcByte & 32 ? white : black;
- dest32[destPos++] = srcByte & 16 ? white : black;
- dest32[destPos++] = srcByte & 8 ? white : black;
- dest32[destPos++] = srcByte & 4 ? white : black;
- dest32[destPos++] = srcByte & 2 ? white : black;
- dest32[destPos++] = srcByte & 1 ? white : black;
- }
- for (; k < kEnd; k++) {
- if (mask === 0) {
- srcByte = src[srcPos++];
- mask = 128;
- }
- dest32[destPos++] = srcByte & mask ? white : black;
- mask >>= 1;
- }
- }
- // We ran out of input. Make all remaining pixels transparent.
- while (destPos < dest32DataLength) {
- dest32[destPos++] = 0;
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- } else if (imgData.kind === ImageKind.RGBA_32BPP) {
- // RGBA, 32-bits per pixel.
- j = 0;
- elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
- for (i = 0; i < fullChunks; i++) {
- dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
- srcPos += elemsInThisChunk;
- ctx.putImageData(chunkImgData, 0, j);
- j += FULL_CHUNK_HEIGHT;
- }
- if (i < totalChunks) {
- elemsInThisChunk = width * partialChunkHeight * 4;
- dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
- ctx.putImageData(chunkImgData, 0, j);
- }
- } else if (imgData.kind === ImageKind.RGB_24BPP) {
- // RGB, 24-bits per pixel.
- thisChunkHeight = FULL_CHUNK_HEIGHT;
- elemsInThisChunk = width * thisChunkHeight;
- for (i = 0; i < totalChunks; i++) {
- if (i >= fullChunks) {
- thisChunkHeight = partialChunkHeight;
- elemsInThisChunk = width * thisChunkHeight;
- }
- destPos = 0;
- for (j = elemsInThisChunk; j--;) {
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = 255;
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- } else {
- error('bad image kind: ' + imgData.kind);
- }
- }
- function putBinaryImageMask(ctx, imgData) {
- var height = imgData.height, width = imgData.width;
- var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
- var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
- var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
- var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
- var srcPos = 0;
- var src = imgData.data;
- var dest = chunkImgData.data;
- for (var i = 0; i < totalChunks; i++) {
- var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
- // Expand the mask so it can be used by the canvas. Any required
- // inversion has already been handled.
- var destPos = 3;
- // alpha component offset
- for (var j = 0; j < thisChunkHeight; j++) {
- var mask = 0;
- for (var k = 0; k < width; k++) {
- if (!mask) {
- var elem = src[srcPos++];
- mask = 128;
- }
- dest[destPos] = elem & mask ? 0 : 255;
- destPos += 4;
- mask >>= 1;
- }
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- }
- function copyCtxState(sourceCtx, destCtx) {
- var properties = [
- 'strokeStyle',
- 'fillStyle',
- 'fillRule',
- 'globalAlpha',
- 'lineWidth',
- 'lineCap',
- 'lineJoin',
- 'miterLimit',
- 'globalCompositeOperation',
- 'font'
- ];
- for (var i = 0, ii = properties.length; i < ii; i++) {
- var property = properties[i];
- if (sourceCtx[property] !== undefined) {
- destCtx[property] = sourceCtx[property];
- }
- }
- if (sourceCtx.setLineDash !== undefined) {
- destCtx.setLineDash(sourceCtx.getLineDash());
- destCtx.lineDashOffset = sourceCtx.lineDashOffset;
- }
- }
- function composeSMaskBackdrop(bytes, r0, g0, b0) {
- var length = bytes.length;
- for (var i = 3; i < length; i += 4) {
- var alpha = bytes[i];
- if (alpha === 0) {
- bytes[i - 3] = r0;
- bytes[i - 2] = g0;
- bytes[i - 1] = b0;
- } else if (alpha < 255) {
- var alpha_ = 255 - alpha;
- bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
- bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
- bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
- }
- }
- }
- function composeSMaskAlpha(maskData, layerData, transferMap) {
- var length = maskData.length;
- var scale = 1 / 255;
- for (var i = 3; i < length; i += 4) {
- var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
- layerData[i] = layerData[i] * alpha * scale | 0;
- }
- }
- function composeSMaskLuminosity(maskData, layerData, transferMap) {
- var length = maskData.length;
- for (var i = 3; i < length; i += 4) {
- var y = maskData[i - 3] * 77 + // * 0.3 / 255 * 0x10000
- maskData[i - 2] * 152 + // * 0.59 ....
- maskData[i - 1] * 28;
- // * 0.11 ....
- layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
- }
- }
- function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
- var hasBackdrop = !!backdrop;
- var r0 = hasBackdrop ? backdrop[0] : 0;
- var g0 = hasBackdrop ? backdrop[1] : 0;
- var b0 = hasBackdrop ? backdrop[2] : 0;
- var composeFn;
- if (subtype === 'Luminosity') {
- composeFn = composeSMaskLuminosity;
- } else {
- composeFn = composeSMaskAlpha;
- }
- // processing image in chunks to save memory
- var PIXELS_TO_PROCESS = 1048576;
- var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
- for (var row = 0; row < height; row += chunkSize) {
- var chunkHeight = Math.min(chunkSize, height - row);
- var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
- var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
- if (hasBackdrop) {
- composeSMaskBackdrop(maskData.data, r0, g0, b0);
- }
- composeFn(maskData.data, layerData.data, transferMap);
- maskCtx.putImageData(layerData, 0, row);
- }
- }
- function composeSMask(ctx, smask, layerCtx) {
- var mask = smask.canvas;
- var maskCtx = smask.context;
- ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
- var backdrop = smask.backdrop || null;
- if (!smask.transferMap && WebGLUtils.isEnabled) {
- var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, {
- subtype: smask.subtype,
- backdrop: backdrop
- });
- ctx.setTransform(1, 0, 0, 1, 0, 0);
- ctx.drawImage(composed, smask.offsetX, smask.offsetY);
- return;
- }
- genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
- ctx.drawImage(mask, 0, 0);
- }
- var LINE_CAP_STYLES = [
- 'butt',
- 'round',
- 'square'
- ];
- var LINE_JOIN_STYLES = [
- 'miter',
- 'round',
- 'bevel'
- ];
- var NORMAL_CLIP = {};
- var EO_CLIP = {};
- CanvasGraphics.prototype = {
- beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, transparency) {
- // For pdfs that use blend modes we have to clear the canvas else certain
- // blend modes can look wrong since we'd be blending with a white
- // backdrop. The problem with a transparent backdrop though is we then
- // don't get sub pixel anti aliasing on text, creating temporary
- // transparent canvas when we have blend modes.
- var width = this.ctx.canvas.width;
- var height = this.ctx.canvas.height;
- this.ctx.save();
- this.ctx.fillStyle = 'rgb(255, 255, 255)';
- this.ctx.fillRect(0, 0, width, height);
- this.ctx.restore();
- if (transparency) {
- var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true);
- this.compositeCtx = this.ctx;
- this.transparentCanvas = transparentCanvas.canvas;
- this.ctx = transparentCanvas.context;
- this.ctx.save();
- // The transform can be applied before rendering, transferring it to
- // the new canvas.
- this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
- }
- this.ctx.save();
- if (transform) {
- this.ctx.transform.apply(this.ctx, transform);
- }
- this.ctx.transform.apply(this.ctx, viewport.transform);
- this.baseTransform = this.ctx.mozCurrentTransform.slice();
- if (this.imageLayer) {
- this.imageLayer.beginLayout();
- }
- },
- executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
- var argsArray = operatorList.argsArray;
- var fnArray = operatorList.fnArray;
- var i = executionStartIdx || 0;
- var argsArrayLen = argsArray.length;
- // Sometimes the OperatorList to execute is empty.
- if (argsArrayLen === i) {
- return i;
- }
- var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
- var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
- var steps = 0;
- var commonObjs = this.commonObjs;
- var objs = this.objs;
- var fnId;
- while (true) {
- if (stepper !== undefined && i === stepper.nextBreakPoint) {
- stepper.breakIt(i, continueCallback);
- return i;
- }
- fnId = fnArray[i];
- if (fnId !== OPS.dependency) {
- this[fnId].apply(this, argsArray[i]);
- } else {
- var deps = argsArray[i];
- for (var n = 0, nn = deps.length; n < nn; n++) {
- var depObjId = deps[n];
- var common = depObjId[0] === 'g' && depObjId[1] === '_';
- var objsPool = common ? commonObjs : objs;
- // If the promise isn't resolved yet, add the continueCallback
- // to the promise and bail out.
- if (!objsPool.isResolved(depObjId)) {
- objsPool.get(depObjId, continueCallback);
- return i;
- }
- }
- }
- i++;
- // If the entire operatorList was executed, stop as were done.
- if (i === argsArrayLen) {
- return i;
- }
- // If the execution took longer then a certain amount of time and
- // `continueCallback` is specified, interrupt the execution.
- if (chunkOperations && ++steps > EXECUTION_STEPS) {
- if (Date.now() > endTime) {
- continueCallback();
- return i;
- }
- steps = 0;
- }
- }
- },
- // If the operatorList isn't executed completely yet OR the execution
- // time was short enough, do another execution round.
- endDrawing: function CanvasGraphics_endDrawing() {
- // Finishing all opened operations such as SMask group painting.
- if (this.current.activeSMask !== null) {
- this.endSMaskGroup();
- }
- this.ctx.restore();
- if (this.transparentCanvas) {
- this.ctx = this.compositeCtx;
- this.ctx.save();
- this.ctx.setTransform(1, 0, 0, 1, 0, 0);
- // Avoid apply transform twice
- this.ctx.drawImage(this.transparentCanvas, 0, 0);
- this.ctx.restore();
- this.transparentCanvas = null;
- }
- this.cachedCanvases.clear();
- WebGLUtils.clear();
- if (this.imageLayer) {
- this.imageLayer.endLayout();
- }
- },
- // Graphics state
- setLineWidth: function CanvasGraphics_setLineWidth(width) {
- this.current.lineWidth = width;
- this.ctx.lineWidth = width;
- },
- setLineCap: function CanvasGraphics_setLineCap(style) {
- this.ctx.lineCap = LINE_CAP_STYLES[style];
- },
- setLineJoin: function CanvasGraphics_setLineJoin(style) {
- this.ctx.lineJoin = LINE_JOIN_STYLES[style];
- },
- setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
- this.ctx.miterLimit = limit;
- },
- setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
- var ctx = this.ctx;
- if (ctx.setLineDash !== undefined) {
- ctx.setLineDash(dashArray);
- ctx.lineDashOffset = dashPhase;
- }
- },
- setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {
- },
- setFlatness: function CanvasGraphics_setFlatness(flatness) {
- },
- setGState: function CanvasGraphics_setGState(states) {
- for (var i = 0, ii = states.length; i < ii; i++) {
- var state = states[i];
- var key = state[0];
- var value = state[1];
- switch (key) {
- case 'LW':
- this.setLineWidth(value);
- break;
- case 'LC':
- this.setLineCap(value);
- break;
- case 'LJ':
- this.setLineJoin(value);
- break;
- case 'ML':
- this.setMiterLimit(value);
- break;
- case 'D':
- this.setDash(value[0], value[1]);
- break;
- case 'RI':
- this.setRenderingIntent(value);
- break;
- case 'FL':
- this.setFlatness(value);
- break;
- case 'Font':
- this.setFont(value[0], value[1]);
- break;
- case 'CA':
- this.current.strokeAlpha = state[1];
- break;
- case 'ca':
- this.current.fillAlpha = state[1];
- this.ctx.globalAlpha = state[1];
- break;
- case 'BM':
- if (value && value.name && value.name !== 'Normal') {
- var mode = value.name.replace(/([A-Z])/g, function (c) {
- return '-' + c.toLowerCase();
- }).substring(1);
- this.ctx.globalCompositeOperation = mode;
- if (this.ctx.globalCompositeOperation !== mode) {
- warn('globalCompositeOperation "' + mode + '" is not supported');
- }
- } else {
- this.ctx.globalCompositeOperation = 'source-over';
- }
- break;
- case 'SMask':
- if (this.current.activeSMask) {
- // If SMask is currrenly used, it needs to be suspended or
- // finished. Suspend only makes sense when at least one save()
- // was performed and state needs to be reverted on restore().
- if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
- this.suspendSMaskGroup();
- } else {
- this.endSMaskGroup();
- }
- }
- this.current.activeSMask = value ? this.tempSMask : null;
- if (this.current.activeSMask) {
- this.beginSMaskGroup();
- }
- this.tempSMask = null;
- break;
- }
- }
- },
- beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
- var activeSMask = this.current.activeSMask;
- var drawnWidth = activeSMask.canvas.width;
- var drawnHeight = activeSMask.canvas.height;
- var cacheId = 'smaskGroupAt' + this.groupLevel;
- var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
- var currentCtx = this.ctx;
- var currentTransform = currentCtx.mozCurrentTransform;
- this.ctx.save();
- var groupCtx = scratchCanvas.context;
- groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
- groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
- groupCtx.transform.apply(groupCtx, currentTransform);
- activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
- copyCtxState(currentCtx, groupCtx);
- this.ctx = groupCtx;
- this.setGState([
- [
- 'BM',
- 'Normal'
- ],
- [
- 'ca',
- 1
- ],
- [
- 'CA',
- 1
- ]
- ]);
- this.groupStack.push(currentCtx);
- this.groupLevel++;
- },
- suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
- // Similar to endSMaskGroup, the intermediate canvas has to be composed
- // and future ctx state restored.
- var groupCtx = this.ctx;
- this.groupLevel--;
- this.ctx = this.groupStack.pop();
- composeSMask(this.ctx, this.current.activeSMask, groupCtx);
- this.ctx.restore();
- this.ctx.save();
- // save is needed since SMask will be resumed.
- copyCtxState(groupCtx, this.ctx);
- // Saving state for resuming.
- this.current.resumeSMaskCtx = groupCtx;
- // Transform was changed in the SMask canvas, reflecting this change on
- // this.ctx.
- var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
- this.ctx.transform.apply(this.ctx, deltaTransform);
- // SMask was composed, the results at the groupCtx can be cleared.
- groupCtx.save();
- groupCtx.setTransform(1, 0, 0, 1, 0, 0);
- groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
- groupCtx.restore();
- },
- resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
- // Resuming state saved by suspendSMaskGroup. We don't need to restore
- // any groupCtx state since restore() command (the only caller) will do
- // that for us. See also beginSMaskGroup.
- var groupCtx = this.current.resumeSMaskCtx;
- var currentCtx = this.ctx;
- this.ctx = groupCtx;
- this.groupStack.push(currentCtx);
- this.groupLevel++;
- },
- endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
- var groupCtx = this.ctx;
- this.groupLevel--;
- this.ctx = this.groupStack.pop();
- composeSMask(this.ctx, this.current.activeSMask, groupCtx);
- this.ctx.restore();
- copyCtxState(groupCtx, this.ctx);
- // Transform was changed in the SMask canvas, reflecting this change on
- // this.ctx.
- var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
- this.ctx.transform.apply(this.ctx, deltaTransform);
- },
- save: function CanvasGraphics_save() {
- this.ctx.save();
- var old = this.current;
- this.stateStack.push(old);
- this.current = old.clone();
- this.current.resumeSMaskCtx = null;
- },
- restore: function CanvasGraphics_restore() {
- // SMask was suspended, we just need to resume it.
- if (this.current.resumeSMaskCtx) {
- this.resumeSMaskGroup();
- }
- // SMask has to be finished once there is no states that are using the
- // same SMask.
- if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
- this.endSMaskGroup();
- }
- if (this.stateStack.length !== 0) {
- this.current = this.stateStack.pop();
- this.ctx.restore();
- // Ensure that the clipping path is reset (fixes issue6413.pdf).
- this.pendingClip = null;
- this.cachedGetSinglePixelWidth = null;
- }
- },
- transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
- this.ctx.transform(a, b, c, d, e, f);
- this.cachedGetSinglePixelWidth = null;
- },
- // Path
- constructPath: function CanvasGraphics_constructPath(ops, args) {
- var ctx = this.ctx;
- var current = this.current;
- var x = current.x, y = current.y;
- for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
- switch (ops[i] | 0) {
- case OPS.rectangle:
- x = args[j++];
- y = args[j++];
- var width = args[j++];
- var height = args[j++];
- if (width === 0) {
- width = this.getSinglePixelWidth();
- }
- if (height === 0) {
- height = this.getSinglePixelWidth();
- }
- var xw = x + width;
- var yh = y + height;
- this.ctx.moveTo(x, y);
- this.ctx.lineTo(xw, y);
- this.ctx.lineTo(xw, yh);
- this.ctx.lineTo(x, yh);
- this.ctx.lineTo(x, y);
- this.ctx.closePath();
- break;
- case OPS.moveTo:
- x = args[j++];
- y = args[j++];
- ctx.moveTo(x, y);
- break;
- case OPS.lineTo:
- x = args[j++];
- y = args[j++];
- ctx.lineTo(x, y);
- break;
- case OPS.curveTo:
- x = args[j + 4];
- y = args[j + 5];
- ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
- j += 6;
- break;
- case OPS.curveTo2:
- ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
- x = args[j + 2];
- y = args[j + 3];
- j += 4;
- break;
- case OPS.curveTo3:
- x = args[j + 2];
- y = args[j + 3];
- ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
- j += 4;
- break;
- case OPS.closePath:
- ctx.closePath();
- break;
- }
- }
- current.setCurrentPoint(x, y);
- },
- closePath: function CanvasGraphics_closePath() {
- this.ctx.closePath();
- },
- stroke: function CanvasGraphics_stroke(consumePath) {
- consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
- var ctx = this.ctx;
- var strokeColor = this.current.strokeColor;
- // Prevent drawing too thin lines by enforcing a minimum line width.
- ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
- // For stroke we want to temporarily change the global alpha to the
- // stroking alpha.
- ctx.globalAlpha = this.current.strokeAlpha;
- if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
- // for patterns, we transform to pattern space, calculate
- // the pattern, call stroke, and restore to user space
- ctx.save();
- ctx.strokeStyle = strokeColor.getPattern(ctx, this);
- ctx.stroke();
- ctx.restore();
- } else {
- ctx.stroke();
- }
- if (consumePath) {
- this.consumePath();
- }
- // Restore the global alpha to the fill alpha
- ctx.globalAlpha = this.current.fillAlpha;
- },
- closeStroke: function CanvasGraphics_closeStroke() {
- this.closePath();
- this.stroke();
- },
- fill: function CanvasGraphics_fill(consumePath) {
- consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
- var ctx = this.ctx;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- var needRestore = false;
- if (isPatternFill) {
- ctx.save();
- if (this.baseTransform) {
- ctx.setTransform.apply(ctx, this.baseTransform);
- }
- ctx.fillStyle = fillColor.getPattern(ctx, this);
- needRestore = true;
- }
- if (this.pendingEOFill) {
- if (ctx.mozFillRule !== undefined) {
- ctx.mozFillRule = 'evenodd';
- ctx.fill();
- ctx.mozFillRule = 'nonzero';
- } else {
- ctx.fill('evenodd');
- }
- this.pendingEOFill = false;
- } else {
- ctx.fill();
- }
- if (needRestore) {
- ctx.restore();
- }
- if (consumePath) {
- this.consumePath();
- }
- },
- eoFill: function CanvasGraphics_eoFill() {
- this.pendingEOFill = true;
- this.fill();
- },
- fillStroke: function CanvasGraphics_fillStroke() {
- this.fill(false);
- this.stroke(false);
- this.consumePath();
- },
- eoFillStroke: function CanvasGraphics_eoFillStroke() {
- this.pendingEOFill = true;
- this.fillStroke();
- },
- closeFillStroke: function CanvasGraphics_closeFillStroke() {
- this.closePath();
- this.fillStroke();
- },
- closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
- this.pendingEOFill = true;
- this.closePath();
- this.fillStroke();
- },
- endPath: function CanvasGraphics_endPath() {
- this.consumePath();
- },
- // Clipping
- clip: function CanvasGraphics_clip() {
- this.pendingClip = NORMAL_CLIP;
- },
- eoClip: function CanvasGraphics_eoClip() {
- this.pendingClip = EO_CLIP;
- },
- // Text
- beginText: function CanvasGraphics_beginText() {
- this.current.textMatrix = IDENTITY_MATRIX;
- this.current.textMatrixScale = 1;
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- },
- endText: function CanvasGraphics_endText() {
- var paths = this.pendingTextPaths;
- var ctx = this.ctx;
- if (paths === undefined) {
- ctx.beginPath();
- return;
- }
- ctx.save();
- ctx.beginPath();
- for (var i = 0; i < paths.length; i++) {
- var path = paths[i];
- ctx.setTransform.apply(ctx, path.transform);
- ctx.translate(path.x, path.y);
- path.addToPath(ctx, path.fontSize);
- }
- ctx.restore();
- ctx.clip();
- ctx.beginPath();
- delete this.pendingTextPaths;
- },
- setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
- this.current.charSpacing = spacing;
- },
- setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
- this.current.wordSpacing = spacing;
- },
- setHScale: function CanvasGraphics_setHScale(scale) {
- this.current.textHScale = scale / 100;
- },
- setLeading: function CanvasGraphics_setLeading(leading) {
- this.current.leading = -leading;
- },
- setFont: function CanvasGraphics_setFont(fontRefName, size) {
- var fontObj = this.commonObjs.get(fontRefName);
- var current = this.current;
- if (!fontObj) {
- error('Can\'t find font for ' + fontRefName);
- }
- current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
- // A valid matrix needs all main diagonal elements to be non-zero
- // This also ensures we bypass FF bugzilla bug #719844.
- if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
- warn('Invalid font matrix for font ' + fontRefName);
- }
- // The spec for Tf (setFont) says that 'size' specifies the font 'scale',
- // and in some docs this can be negative (inverted x-y axes).
- if (size < 0) {
- size = -size;
- current.fontDirection = -1;
- } else {
- current.fontDirection = 1;
- }
- this.current.font = fontObj;
- this.current.fontSize = size;
- if (fontObj.isType3Font) {
- return;
- }
- // we don't need ctx.font for Type3 fonts
- var name = fontObj.loadedName || 'sans-serif';
- var bold = fontObj.black ? fontObj.bold ? '900' : 'bold' : fontObj.bold ? 'bold' : 'normal';
- var italic = fontObj.italic ? 'italic' : 'normal';
- var typeface = '"' + name + '", ' + fontObj.fallbackName;
- // Some font backends cannot handle fonts below certain size.
- // Keeping the font at minimal size and using the fontSizeScale to change
- // the current transformation matrix before the fillText/strokeText.
- // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227
- var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
- this.current.fontSizeScale = size / browserFontSize;
- var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
- this.ctx.font = rule;
- },
- setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
- this.current.textRenderingMode = mode;
- },
- setTextRise: function CanvasGraphics_setTextRise(rise) {
- this.current.textRise = rise;
- },
- moveText: function CanvasGraphics_moveText(x, y) {
- this.current.x = this.current.lineX += x;
- this.current.y = this.current.lineY += y;
- },
- setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
- this.setLeading(-y);
- this.moveText(x, y);
- },
- setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
- this.current.textMatrix = [
- a,
- b,
- c,
- d,
- e,
- f
- ];
- this.current.textMatrixScale = Math.sqrt(a * a + b * b);
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- },
- nextLine: function CanvasGraphics_nextLine() {
- this.moveText(0, this.current.leading);
- },
- paintChar: function CanvasGraphics_paintChar(character, x, y) {
- var ctx = this.ctx;
- var current = this.current;
- var font = current.font;
- var textRenderingMode = current.textRenderingMode;
- var fontSize = current.fontSize / current.fontSizeScale;
- var fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
- var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
- var addToPath;
- if (font.disableFontFace || isAddToPathSet) {
- addToPath = font.getPathGenerator(this.commonObjs, character);
- }
- if (font.disableFontFace) {
- ctx.save();
- ctx.translate(x, y);
- ctx.beginPath();
- addToPath(ctx, fontSize);
- if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
- ctx.fill();
- }
- if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
- ctx.stroke();
- }
- ctx.restore();
- } else {
- if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
- ctx.fillText(character, x, y);
- }
- if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
- ctx.strokeText(character, x, y);
- }
- }
- if (isAddToPathSet) {
- var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
- paths.push({
- transform: ctx.mozCurrentTransform,
- x: x,
- y: y,
- fontSize: fontSize,
- addToPath: addToPath
- });
- }
- },
- get isFontSubpixelAAEnabled() {
- // Checks if anti-aliasing is enabled when scaled text is painted.
- // On Windows GDI scaled fonts looks bad.
- var ctx = document.createElement('canvas').getContext('2d');
- ctx.scale(1.5, 1);
- ctx.fillText('I', 0, 10);
- var data = ctx.getImageData(0, 0, 10, 10).data;
- var enabled = false;
- for (var i = 3; i < data.length; i += 4) {
- if (data[i] > 0 && data[i] < 255) {
- enabled = true;
- break;
- }
- }
- return shadow(this, 'isFontSubpixelAAEnabled', enabled);
- },
- showText: function CanvasGraphics_showText(glyphs) {
- var current = this.current;
- var font = current.font;
- if (font.isType3Font) {
- return this.showType3Text(glyphs);
- }
- var fontSize = current.fontSize;
- if (fontSize === 0) {
- return;
- }
- var ctx = this.ctx;
- var fontSizeScale = current.fontSizeScale;
- var charSpacing = current.charSpacing;
- var wordSpacing = current.wordSpacing;
- var fontDirection = current.fontDirection;
- var textHScale = current.textHScale * fontDirection;
- var glyphsLength = glyphs.length;
- var vertical = font.vertical;
- var spacingDir = vertical ? 1 : -1;
- var defaultVMetrics = font.defaultVMetrics;
- var widthAdvanceScale = fontSize * current.fontMatrix[0];
- var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace;
- ctx.save();
- ctx.transform.apply(ctx, current.textMatrix);
- ctx.translate(current.x, current.y + current.textRise);
- if (current.patternFill) {
- // TODO: Some shading patterns are not applied correctly to text,
- // e.g. issues 3988 and 5432, and ShowText-ShadingPattern.pdf.
- ctx.fillStyle = current.fillColor.getPattern(ctx, this);
- }
- if (fontDirection > 0) {
- ctx.scale(textHScale, -1);
- } else {
- ctx.scale(textHScale, 1);
- }
- var lineWidth = current.lineWidth;
- var scale = current.textMatrixScale;
- if (scale === 0 || lineWidth === 0) {
- var fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
- if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
- this.cachedGetSinglePixelWidth = null;
- lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
- }
- } else {
- lineWidth /= scale;
- }
- if (fontSizeScale !== 1.0) {
- ctx.scale(fontSizeScale, fontSizeScale);
- lineWidth /= fontSizeScale;
- }
- ctx.lineWidth = lineWidth;
- var x = 0, i;
- for (i = 0; i < glyphsLength; ++i) {
- var glyph = glyphs[i];
- if (isNum(glyph)) {
- x += spacingDir * glyph * fontSize / 1000;
- continue;
- }
- var restoreNeeded = false;
- var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- var character = glyph.fontChar;
- var accent = glyph.accent;
- var scaledX, scaledY, scaledAccentX, scaledAccentY;
- var width = glyph.width;
- if (vertical) {
- var vmetric, vx, vy;
- vmetric = glyph.vmetric || defaultVMetrics;
- vx = glyph.vmetric ? vmetric[1] : width * 0.5;
- vx = -vx * widthAdvanceScale;
- vy = vmetric[2] * widthAdvanceScale;
- width = vmetric ? -vmetric[0] : width;
- scaledX = vx / fontSizeScale;
- scaledY = (x + vy) / fontSizeScale;
- } else {
- scaledX = x / fontSizeScale;
- scaledY = 0;
- }
- if (font.remeasure && width > 0) {
- // Some standard fonts may not have the exact width: rescale per
- // character if measured width is greater than expected glyph width
- // and subpixel-aa is enabled, otherwise just center the glyph.
- var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
- if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
- var characterScaleX = width / measuredWidth;
- restoreNeeded = true;
- ctx.save();
- ctx.scale(characterScaleX, 1);
- scaledX /= characterScaleX;
- } else if (width !== measuredWidth) {
- scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
- }
- }
- // Only attempt to draw the glyph if it is actually in the embedded font
- // file or if there isn't a font file so the fallback font is shown.
- if (glyph.isInFont || font.missingFile) {
- if (simpleFillText && !accent) {
- // common case
- ctx.fillText(character, scaledX, scaledY);
- } else {
- this.paintChar(character, scaledX, scaledY);
- if (accent) {
- scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
- scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
- this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
- }
- }
- }
- var charWidth = width * widthAdvanceScale + spacing * fontDirection;
- x += charWidth;
- if (restoreNeeded) {
- ctx.restore();
- }
- }
- if (vertical) {
- current.y -= x * textHScale;
- } else {
- current.x += x * textHScale;
- }
- ctx.restore();
- },
- showType3Text: function CanvasGraphics_showType3Text(glyphs) {
- // Type3 fonts - each glyph is a "mini-PDF"
- var ctx = this.ctx;
- var current = this.current;
- var font = current.font;
- var fontSize = current.fontSize;
- var fontDirection = current.fontDirection;
- var spacingDir = font.vertical ? 1 : -1;
- var charSpacing = current.charSpacing;
- var wordSpacing = current.wordSpacing;
- var textHScale = current.textHScale * fontDirection;
- var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
- var glyphsLength = glyphs.length;
- var isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE;
- var i, glyph, width, spacingLength;
- if (isTextInvisible || fontSize === 0) {
- return;
- }
- this.cachedGetSinglePixelWidth = null;
- ctx.save();
- ctx.transform.apply(ctx, current.textMatrix);
- ctx.translate(current.x, current.y);
- ctx.scale(textHScale, fontDirection);
- for (i = 0; i < glyphsLength; ++i) {
- glyph = glyphs[i];
- if (isNum(glyph)) {
- spacingLength = spacingDir * glyph * fontSize / 1000;
- this.ctx.translate(spacingLength, 0);
- current.x += spacingLength * textHScale;
- continue;
- }
- var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- var operatorList = font.charProcOperatorList[glyph.operatorListId];
- if (!operatorList) {
- warn('Type3 character \"' + glyph.operatorListId + '\" is not available');
- continue;
- }
- this.processingType3 = glyph;
- this.save();
- ctx.scale(fontSize, fontSize);
- ctx.transform.apply(ctx, fontMatrix);
- this.executeOperatorList(operatorList);
- this.restore();
- var transformed = Util.applyTransform([
- glyph.width,
- 0
- ], fontMatrix);
- width = transformed[0] * fontSize + spacing;
- ctx.translate(width, 0);
- current.x += width * textHScale;
- }
- ctx.restore();
- this.processingType3 = null;
- },
- // Type3 fonts
- setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {
- },
- setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
- // TODO According to the spec we're also suppose to ignore any operators
- // that set color or include images while processing this type3 font.
- this.ctx.rect(llx, lly, urx - llx, ury - lly);
- this.clip();
- this.endPath();
- },
- // Color
- getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
- var pattern;
- if (IR[0] === 'TilingPattern') {
- var color = IR[1];
- var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
- var self = this;
- var canvasGraphicsFactory = {
- createCanvasGraphics: function (ctx) {
- return new CanvasGraphics(ctx, self.commonObjs, self.objs);
- }
- };
- pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
- } else {
- pattern = getShadingPatternFromIR(IR);
- }
- return pattern;
- },
- setStrokeColorN: function CanvasGraphics_setStrokeColorN()
- /*...*/
- {
- this.current.strokeColor = this.getColorN_Pattern(arguments);
- },
- setFillColorN: function CanvasGraphics_setFillColorN()
- /*...*/
- {
- this.current.fillColor = this.getColorN_Pattern(arguments);
- this.current.patternFill = true;
- },
- setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
- var color = Util.makeCssRgb(r, g, b);
- this.ctx.strokeStyle = color;
- this.current.strokeColor = color;
- },
- setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
- var color = Util.makeCssRgb(r, g, b);
- this.ctx.fillStyle = color;
- this.current.fillColor = color;
- this.current.patternFill = false;
- },
- shadingFill: function CanvasGraphics_shadingFill(patternIR) {
- var ctx = this.ctx;
- this.save();
- var pattern = getShadingPatternFromIR(patternIR);
- ctx.fillStyle = pattern.getPattern(ctx, this, true);
- var inv = ctx.mozCurrentTransformInverse;
- if (inv) {
- var canvas = ctx.canvas;
- var width = canvas.width;
- var height = canvas.height;
- var bl = Util.applyTransform([
- 0,
- 0
- ], inv);
- var br = Util.applyTransform([
- 0,
- height
- ], inv);
- var ul = Util.applyTransform([
- width,
- 0
- ], inv);
- var ur = Util.applyTransform([
- width,
- height
- ], inv);
- var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
- var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
- var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
- var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
- this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
- } else {
- // HACK to draw the gradient onto an infinite rectangle.
- // PDF gradients are drawn across the entire image while
- // Canvas only allows gradients to be drawn in a rectangle
- // The following bug should allow us to remove this.
- // https://bugzilla.mozilla.org/show_bug.cgi?id=664884
- this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
- }
- this.restore();
- },
- // Images
- beginInlineImage: function CanvasGraphics_beginInlineImage() {
- error('Should not call beginInlineImage');
- },
- beginImageData: function CanvasGraphics_beginImageData() {
- error('Should not call beginImageData');
- },
- paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
- this.save();
- this.baseTransformStack.push(this.baseTransform);
- if (isArray(matrix) && 6 === matrix.length) {
- this.transform.apply(this, matrix);
- }
- this.baseTransform = this.ctx.mozCurrentTransform;
- if (isArray(bbox) && 4 === bbox.length) {
- var width = bbox[2] - bbox[0];
- var height = bbox[3] - bbox[1];
- this.ctx.rect(bbox[0], bbox[1], width, height);
- this.clip();
- this.endPath();
- }
- },
- paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
- this.restore();
- this.baseTransform = this.baseTransformStack.pop();
- },
- beginGroup: function CanvasGraphics_beginGroup(group) {
- this.save();
- var currentCtx = this.ctx;
- // TODO non-isolated groups - according to Rik at adobe non-isolated
- // group results aren't usually that different and they even have tools
- // that ignore this setting. Notes from Rik on implementing:
- // - When you encounter an transparency group, create a new canvas with
- // the dimensions of the bbox
- // - copy the content from the previous canvas to the new canvas
- // - draw as usual
- // - remove the backdrop alpha:
- // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha
- // value of your transparency group and 'alphaBackdrop' the alpha of the
- // backdrop
- // - remove background color:
- // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew)
- if (!group.isolated) {
- info('TODO: Support non-isolated groups.');
- }
- // TODO knockout - supposedly possible with the clever use of compositing
- // modes.
- if (group.knockout) {
- warn('Knockout groups not supported.');
- }
- var currentTransform = currentCtx.mozCurrentTransform;
- if (group.matrix) {
- currentCtx.transform.apply(currentCtx, group.matrix);
- }
- assert(group.bbox, 'Bounding box is required.');
- // Based on the current transform figure out how big the bounding box
- // will actually be.
- var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
- // Clip the bounding box to the current canvas.
- var canvasBounds = [
- 0,
- 0,
- currentCtx.canvas.width,
- currentCtx.canvas.height
- ];
- bounds = Util.intersect(bounds, canvasBounds) || [
- 0,
- 0,
- 0,
- 0
- ];
- // Use ceil in case we're between sizes so we don't create canvas that is
- // too small and make the canvas at least 1x1 pixels.
- var offsetX = Math.floor(bounds[0]);
- var offsetY = Math.floor(bounds[1]);
- var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
- var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
- var scaleX = 1, scaleY = 1;
- if (drawnWidth > MAX_GROUP_SIZE) {
- scaleX = drawnWidth / MAX_GROUP_SIZE;
- drawnWidth = MAX_GROUP_SIZE;
- }
- if (drawnHeight > MAX_GROUP_SIZE) {
- scaleY = drawnHeight / MAX_GROUP_SIZE;
- drawnHeight = MAX_GROUP_SIZE;
- }
- var cacheId = 'groupAt' + this.groupLevel;
- if (group.smask) {
- // Using two cache entries is case if masks are used one after another.
- cacheId += '_smask_' + this.smaskCounter++ % 2;
- }
- var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
- var groupCtx = scratchCanvas.context;
- // Since we created a new canvas that is just the size of the bounding box
- // we have to translate the group ctx.
- groupCtx.scale(1 / scaleX, 1 / scaleY);
- groupCtx.translate(-offsetX, -offsetY);
- groupCtx.transform.apply(groupCtx, currentTransform);
- if (group.smask) {
- // Saving state and cached mask to be used in setGState.
- this.smaskStack.push({
- canvas: scratchCanvas.canvas,
- context: groupCtx,
- offsetX: offsetX,
- offsetY: offsetY,
- scaleX: scaleX,
- scaleY: scaleY,
- subtype: group.smask.subtype,
- backdrop: group.smask.backdrop,
- transferMap: group.smask.transferMap || null,
- startTransformInverse: null
- });
- } else
- // used during suspend operation
- {
- // Setup the current ctx so when the group is popped we draw it at the
- // right location.
- currentCtx.setTransform(1, 0, 0, 1, 0, 0);
- currentCtx.translate(offsetX, offsetY);
- currentCtx.scale(scaleX, scaleY);
- }
- // The transparency group inherits all off the current graphics state
- // except the blend mode, soft mask, and alpha constants.
- copyCtxState(currentCtx, groupCtx);
- this.ctx = groupCtx;
- this.setGState([
- [
- 'BM',
- 'Normal'
- ],
- [
- 'ca',
- 1
- ],
- [
- 'CA',
- 1
- ]
- ]);
- this.groupStack.push(currentCtx);
- this.groupLevel++;
- // Reseting mask state, masks will be applied on restore of the group.
- this.current.activeSMask = null;
- },
- endGroup: function CanvasGraphics_endGroup(group) {
- this.groupLevel--;
- var groupCtx = this.ctx;
- this.ctx = this.groupStack.pop();
- // Turn off image smoothing to avoid sub pixel interpolation which can
- // look kind of blurry for some pdfs.
- if (this.ctx.imageSmoothingEnabled !== undefined) {
- this.ctx.imageSmoothingEnabled = false;
- } else {
- this.ctx.mozImageSmoothingEnabled = false;
- }
- if (group.smask) {
- this.tempSMask = this.smaskStack.pop();
- } else {
- this.ctx.drawImage(groupCtx.canvas, 0, 0);
- }
- this.restore();
- },
- beginAnnotations: function CanvasGraphics_beginAnnotations() {
- this.save();
- this.current = new CanvasExtraState();
- if (this.baseTransform) {
- this.ctx.setTransform.apply(this.ctx, this.baseTransform);
- }
- },
- endAnnotations: function CanvasGraphics_endAnnotations() {
- this.restore();
- },
- beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
- this.save();
- if (isArray(rect) && 4 === rect.length) {
- var width = rect[2] - rect[0];
- var height = rect[3] - rect[1];
- this.ctx.rect(rect[0], rect[1], width, height);
- this.clip();
- this.endPath();
- }
- this.transform.apply(this, transform);
- this.transform.apply(this, matrix);
- },
- endAnnotation: function CanvasGraphics_endAnnotation() {
- this.restore();
- },
- paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
- var domImage = this.objs.get(objId);
- if (!domImage) {
- warn('Dependent image isn\'t ready yet');
- return;
- }
- this.save();
- var ctx = this.ctx;
- // scale the image to the unit square
- ctx.scale(1 / w, -1 / h);
- ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
- if (this.imageLayer) {
- var currentTransform = ctx.mozCurrentTransformInverse;
- var position = this.getCanvasPosition(0, 0);
- this.imageLayer.appendImage({
- objId: objId,
- left: position[0],
- top: position[1],
- width: w / currentTransform[0],
- height: h / currentTransform[3]
- });
- }
- this.restore();
- },
- paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
- var ctx = this.ctx;
- var width = img.width, height = img.height;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- var glyph = this.processingType3;
- if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
- if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
- glyph.compiled = compileType3Glyph({
- data: img.data,
- width: width,
- height: height
- });
- } else {
- glyph.compiled = null;
- }
- }
- if (glyph && glyph.compiled) {
- glyph.compiled(ctx);
- return;
- }
- var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
- var maskCtx = maskCanvas.context;
- maskCtx.save();
- putBinaryImageMask(maskCtx, img);
- maskCtx.globalCompositeOperation = 'source-in';
- maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
- maskCtx.fillRect(0, 0, width, height);
- maskCtx.restore();
- this.paintInlineImageXObject(maskCanvas.canvas);
- },
- paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
- var width = imgData.width;
- var height = imgData.height;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
- var maskCtx = maskCanvas.context;
- maskCtx.save();
- putBinaryImageMask(maskCtx, imgData);
- maskCtx.globalCompositeOperation = 'source-in';
- maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
- maskCtx.fillRect(0, 0, width, height);
- maskCtx.restore();
- var ctx = this.ctx;
- for (var i = 0, ii = positions.length; i < ii; i += 2) {
- ctx.save();
- ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
- ctx.scale(1, -1);
- ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
- ctx.restore();
- }
- },
- paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
- var ctx = this.ctx;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- for (var i = 0, ii = images.length; i < ii; i++) {
- var image = images[i];
- var width = image.width, height = image.height;
- var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
- var maskCtx = maskCanvas.context;
- maskCtx.save();
- putBinaryImageMask(maskCtx, image);
- maskCtx.globalCompositeOperation = 'source-in';
- maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
- maskCtx.fillRect(0, 0, width, height);
- maskCtx.restore();
- ctx.save();
- ctx.transform.apply(ctx, image.transform);
- ctx.scale(1, -1);
- ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
- ctx.restore();
- }
- },
- paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
- var imgData = this.objs.get(objId);
- if (!imgData) {
- warn('Dependent image isn\'t ready yet');
- return;
- }
- this.paintInlineImageXObject(imgData);
- },
- paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
- var imgData = this.objs.get(objId);
- if (!imgData) {
- warn('Dependent image isn\'t ready yet');
- return;
- }
- var width = imgData.width;
- var height = imgData.height;
- var map = [];
- for (var i = 0, ii = positions.length; i < ii; i += 2) {
- map.push({
- transform: [
- scaleX,
- 0,
- 0,
- scaleY,
- positions[i],
- positions[i + 1]
- ],
- x: 0,
- y: 0,
- w: width,
- h: height
- });
- }
- this.paintInlineImageXObjectGroup(imgData, map);
- },
- paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
- var width = imgData.width;
- var height = imgData.height;
- var ctx = this.ctx;
- this.save();
- // scale the image to the unit square
- ctx.scale(1 / width, -1 / height);
- var currentTransform = ctx.mozCurrentTransformInverse;
- var a = currentTransform[0], b = currentTransform[1];
- var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
- var c = currentTransform[2], d = currentTransform[3];
- var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
- var imgToPaint, tmpCanvas;
- // instanceof HTMLElement does not work in jsdom node.js module
- if (imgData instanceof HTMLElement || !imgData.data) {
- imgToPaint = imgData;
- } else {
- tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
- var tmpCtx = tmpCanvas.context;
- putBinaryImageData(tmpCtx, imgData);
- imgToPaint = tmpCanvas.canvas;
- }
- var paintWidth = width, paintHeight = height;
- var tmpCanvasId = 'prescale1';
- // Vertial or horizontal scaling shall not be more than 2 to not loose the
- // pixels during drawImage operation, painting on the temporary canvas(es)
- // that are twice smaller in size
- while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
- var newWidth = paintWidth, newHeight = paintHeight;
- if (widthScale > 2 && paintWidth > 1) {
- newWidth = Math.ceil(paintWidth / 2);
- widthScale /= paintWidth / newWidth;
- }
- if (heightScale > 2 && paintHeight > 1) {
- newHeight = Math.ceil(paintHeight / 2);
- heightScale /= paintHeight / newHeight;
- }
- tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
- tmpCtx = tmpCanvas.context;
- tmpCtx.clearRect(0, 0, newWidth, newHeight);
- tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
- imgToPaint = tmpCanvas.canvas;
- paintWidth = newWidth;
- paintHeight = newHeight;
- tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
- }
- ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
- if (this.imageLayer) {
- var position = this.getCanvasPosition(0, -height);
- this.imageLayer.appendImage({
- imgData: imgData,
- left: position[0],
- top: position[1],
- width: width / currentTransform[0],
- height: height / currentTransform[3]
- });
- }
- this.restore();
- },
- paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
- var ctx = this.ctx;
- var w = imgData.width;
- var h = imgData.height;
- var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
- var tmpCtx = tmpCanvas.context;
- putBinaryImageData(tmpCtx, imgData);
- for (var i = 0, ii = map.length; i < ii; i++) {
- var entry = map[i];
- ctx.save();
- ctx.transform.apply(ctx, entry.transform);
- ctx.scale(1, -1);
- ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
- if (this.imageLayer) {
- var position = this.getCanvasPosition(entry.x, entry.y);
- this.imageLayer.appendImage({
- imgData: imgData,
- left: position[0],
- top: position[1],
- width: w,
- height: h
- });
- }
- ctx.restore();
- }
- },
- paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
- this.ctx.fillRect(0, 0, 1, 1);
- },
- paintXObject: function CanvasGraphics_paintXObject() {
- warn('Unsupported \'paintXObject\' command.');
- },
- // Marked content
- markPoint: function CanvasGraphics_markPoint(tag) {
- },
- markPointProps: function CanvasGraphics_markPointProps(tag, properties) {
- },
- beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
- },
- beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
- },
- endMarkedContent: function CanvasGraphics_endMarkedContent() {
- },
- // Compatibility
- beginCompat: function CanvasGraphics_beginCompat() {
- },
- endCompat: function CanvasGraphics_endCompat() {
- },
- // Helper functions
- consumePath: function CanvasGraphics_consumePath() {
- var ctx = this.ctx;
- if (this.pendingClip) {
- if (this.pendingClip === EO_CLIP) {
- if (ctx.mozFillRule !== undefined) {
- ctx.mozFillRule = 'evenodd';
- ctx.clip();
- ctx.mozFillRule = 'nonzero';
- } else {
- ctx.clip('evenodd');
- }
- } else {
- ctx.clip();
- }
- this.pendingClip = null;
- }
- ctx.beginPath();
- },
- getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
- if (this.cachedGetSinglePixelWidth === null) {
- // NOTE: The `save` and `restore` commands used below is a workaround
- // that is necessary in order to prevent `mozCurrentTransformInverse`
- // from intermittently returning incorrect values in Firefox, see:
- // https://github.com/mozilla/pdf.js/issues/7188.
- this.ctx.save();
- var inverse = this.ctx.mozCurrentTransformInverse;
- this.ctx.restore();
- // max of the current horizontal and vertical scale
- this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
- }
- return this.cachedGetSinglePixelWidth;
- },
- getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
- var transform = this.ctx.mozCurrentTransform;
- return [
- transform[0] * x + transform[2] * y + transform[4],
- transform[1] * x + transform[3] * y + transform[5]
- ];
- }
- };
- for (var op in OPS) {
- CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
- }
- return CanvasGraphics;
- }();
- exports.CanvasGraphics = CanvasGraphics;
- exports.createScratchCanvas = createScratchCanvas;
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplayAPI = {}, root.pdfjsSharedUtil, root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, root.pdfjsDisplayMetadata, root.pdfjsDisplayDOMUtils);
- }(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, displayMetadata, displayDOMUtils, amdRequire) {
- var InvalidPDFException = sharedUtil.InvalidPDFException;
- var MessageHandler = sharedUtil.MessageHandler;
- var MissingPDFException = sharedUtil.MissingPDFException;
- var PageViewport = sharedUtil.PageViewport;
- var PasswordResponses = sharedUtil.PasswordResponses;
- var PasswordException = sharedUtil.PasswordException;
- var StatTimer = sharedUtil.StatTimer;
- var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
- var UnknownErrorException = sharedUtil.UnknownErrorException;
- var Util = sharedUtil.Util;
- var createPromiseCapability = sharedUtil.createPromiseCapability;
- var error = sharedUtil.error;
- var deprecated = sharedUtil.deprecated;
- var getVerbosityLevel = sharedUtil.getVerbosityLevel;
- var info = sharedUtil.info;
- var isInt = sharedUtil.isInt;
- var isArray = sharedUtil.isArray;
- var isArrayBuffer = sharedUtil.isArrayBuffer;
- var isSameOrigin = sharedUtil.isSameOrigin;
- var loadJpegStream = sharedUtil.loadJpegStream;
- var stringToBytes = sharedUtil.stringToBytes;
- var globalScope = sharedUtil.globalScope;
- var warn = sharedUtil.warn;
- var FontFaceObject = displayFontLoader.FontFaceObject;
- var FontLoader = displayFontLoader.FontLoader;
- var CanvasGraphics = displayCanvas.CanvasGraphics;
- var createScratchCanvas = displayCanvas.createScratchCanvas;
- var Metadata = displayMetadata.Metadata;
- var getDefaultSetting = displayDOMUtils.getDefaultSetting;
- var DEFAULT_RANGE_CHUNK_SIZE = 65536;
- // 2^16 = 65536
- var isWorkerDisabled = false;
- var workerSrc;
- var isPostMessageTransfersDisabled = false;
- var fakeWorkerFilesLoader = null;
- var useRequireEnsure = false;
- /**
- * Document initialization / loading parameters object.
- *
- * @typedef {Object} DocumentInitParameters
- * @property {string} url - The URL of the PDF.
- * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays
- * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded,
- * use atob() to convert it to a binary string first.
- * @property {Object} httpHeaders - Basic authentication headers.
- * @property {boolean} withCredentials - Indicates whether or not cross-site
- * Access-Control requests should be made using credentials such as cookies
- * or authorization headers. The default is false.
- * @property {string} password - For decrypting password-protected PDFs.
- * @property {TypedArray} initialData - A typed array with the first portion or
- * all of the pdf data. Used by the extension since some data is already
- * loaded before the switch to range requests.
- * @property {number} length - The PDF file length. It's used for progress
- * reports and range requests operations.
- * @property {PDFDataRangeTransport} range
- * @property {number} rangeChunkSize - Optional parameter to specify
- * maximum number of bytes fetched per range request. The default value is
- * 2^16 = 65536.
- * @property {PDFWorker} worker - The worker that will be used for the loading
- * and parsing of the PDF data.
- * @property {string} docBaseUrl - (optional) The base URL of the document,
- * used when attempting to recover valid absolute URLs for annotations, and
- * outline items, that (incorrectly) only specify relative URLs.
- */
- /**
- * @typedef {Object} PDFDocumentStats
- * @property {Array} streamTypes - Used stream types in the document (an item
- * is set to true if specific stream ID was used in the document).
- * @property {Array} fontTypes - Used font type in the document (an item is set
- * to true if specific font ID was used in the document).
- */
- /**
- * This is the main entry point for loading a PDF and interacting with it.
- * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR)
- * is used, which means it must follow the same origin rules that any XHR does
- * e.g. No cross domain requests without CORS.
- *
- * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src
- * Can be a url to where a PDF is located, a typed array (Uint8Array)
- * already populated with data or parameter object.
- *
- * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used
- * if you want to manually serve range requests for data in the PDF.
- *
- * @param {function} passwordCallback (deprecated) It is used to request a
- * password if wrong or no password was provided. The callback receives two
- * parameters: function that needs to be called with new password and reason
- * (see {PasswordResponses}).
- *
- * @param {function} progressCallback (deprecated) It is used to be able to
- * monitor the loading progress of the PDF file (necessary to implement e.g.
- * a loading bar). The callback receives an {Object} with the properties:
- * {number} loaded and {number} total.
- *
- * @return {PDFDocumentLoadingTask}
- */
- function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) {
- var task = new PDFDocumentLoadingTask();
- // Support of the obsolete arguments (for compatibility with API v1.0)
- if (arguments.length > 1) {
- deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument');
- }
- if (pdfDataRangeTransport) {
- if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
- // Not a PDFDataRangeTransport instance, trying to add missing properties.
- pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
- pdfDataRangeTransport.length = src.length;
- pdfDataRangeTransport.initialData = src.initialData;
- if (!pdfDataRangeTransport.abort) {
- pdfDataRangeTransport.abort = function () {
- };
- }
- }
- src = Object.create(src);
- src.range = pdfDataRangeTransport;
- }
- task.onPassword = passwordCallback || null;
- task.onProgress = progressCallback || null;
- var source;
- if (typeof src === 'string') {
- source = { url: src };
- } else if (isArrayBuffer(src)) {
- source = { data: src };
- } else if (src instanceof PDFDataRangeTransport) {
- source = { range: src };
- } else {
- if (typeof src !== 'object') {
- error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object');
- }
- if (!src.url && !src.data && !src.range) {
- error('Invalid parameter object: need either .data, .range or .url');
- }
- source = src;
- }
- var params = {};
- var rangeTransport = null;
- var worker = null;
- for (var key in source) {
- if (key === 'url' && typeof window !== 'undefined') {
- // The full path is required in the 'url' field.
- params[key] = new URL(source[key], window.location).href;
- continue;
- } else if (key === 'range') {
- rangeTransport = source[key];
- continue;
- } else if (key === 'worker') {
- worker = source[key];
- continue;
- } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
- // Converting string or array-like data to Uint8Array.
- var pdfBytes = source[key];
- if (typeof pdfBytes === 'string') {
- params[key] = stringToBytes(pdfBytes);
- } else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
- params[key] = new Uint8Array(pdfBytes);
- } else if (isArrayBuffer(pdfBytes)) {
- params[key] = new Uint8Array(pdfBytes);
- } else {
- error('Invalid PDF binary data: either typed array, string or ' + 'array-like object is expected in the data property.');
- }
- continue;
- }
- params[key] = source[key];
- }
- params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
- if (!worker) {
- // Worker was not provided -- creating and owning our own.
- worker = new PDFWorker();
- task._worker = worker;
- }
- var docId = task.docId;
- worker.promise.then(function () {
- if (task.destroyed) {
- throw new Error('Loading aborted');
- }
- return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
- if (task.destroyed) {
- throw new Error('Loading aborted');
- }
- var messageHandler = new MessageHandler(docId, workerId, worker.port);
- var transport = new WorkerTransport(messageHandler, task, rangeTransport);
- task._transport = transport;
- messageHandler.send('Ready', null);
- });
- }).catch(task._capability.reject);
- return task;
- }
- /**
- * Starts fetching of specified PDF document/data.
- * @param {PDFWorker} worker
- * @param {Object} source
- * @param {PDFDataRangeTransport} pdfDataRangeTransport
- * @param {string} docId Unique document id, used as MessageHandler id.
- * @returns {Promise} The promise, which is resolved when worker id of
- * MessageHandler is known.
- * @private
- */
- function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
- if (worker.destroyed) {
- return Promise.reject(new Error('Worker was destroyed'));
- }
- source.disableAutoFetch = getDefaultSetting('disableAutoFetch');
- source.disableStream = getDefaultSetting('disableStream');
- source.chunkedViewerLoading = !!pdfDataRangeTransport;
- if (pdfDataRangeTransport) {
- source.length = pdfDataRangeTransport.length;
- source.initialData = pdfDataRangeTransport.initialData;
- }
- return worker.messageHandler.sendWithPromise('GetDocRequest', {
- docId: docId,
- source: source,
- disableRange: getDefaultSetting('disableRange'),
- maxImageSize: getDefaultSetting('maxImageSize'),
- cMapUrl: getDefaultSetting('cMapUrl'),
- cMapPacked: getDefaultSetting('cMapPacked'),
- disableFontFace: getDefaultSetting('disableFontFace'),
- disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),
- postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled,
- docBaseUrl: source.docBaseUrl
- }).then(function (workerId) {
- if (worker.destroyed) {
- throw new Error('Worker was destroyed');
- }
- return workerId;
- });
- }
- /**
- * PDF document loading operation.
- * @class
- * @alias PDFDocumentLoadingTask
- */
- var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
- var nextDocumentId = 0;
- /** @constructs PDFDocumentLoadingTask */
- function PDFDocumentLoadingTask() {
- this._capability = createPromiseCapability();
- this._transport = null;
- this._worker = null;
- /**
- * Unique document loading task id -- used in MessageHandlers.
- * @type {string}
- */
- this.docId = 'd' + nextDocumentId++;
- /**
- * Shows if loading task is destroyed.
- * @type {boolean}
- */
- this.destroyed = false;
- /**
- * Callback to request a password if wrong or no password was provided.
- * The callback receives two parameters: function that needs to be called
- * with new password and reason (see {PasswordResponses}).
- */
- this.onPassword = null;
- /**
- * Callback to be able to monitor the loading progress of the PDF file
- * (necessary to implement e.g. a loading bar). The callback receives
- * an {Object} with the properties: {number} loaded and {number} total.
- */
- this.onProgress = null;
- /**
- * Callback to when unsupported feature is used. The callback receives
- * an {UNSUPPORTED_FEATURES} argument.
- */
- this.onUnsupportedFeature = null;
- }
- PDFDocumentLoadingTask.prototype = /** @lends PDFDocumentLoadingTask.prototype */
- {
- /**
- * @return {Promise}
- */
- get promise() {
- return this._capability.promise;
- },
- /**
- * Aborts all network requests and destroys worker.
- * @return {Promise} A promise that is resolved after destruction activity
- * is completed.
- */
- destroy: function () {
- this.destroyed = true;
- var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
- return transportDestroyed.then(function () {
- this._transport = null;
- if (this._worker) {
- this._worker.destroy();
- this._worker = null;
- }
- }.bind(this));
- },
- /**
- * Registers callbacks to indicate the document loading completion.
- *
- * @param {function} onFulfilled The callback for the loading completion.
- * @param {function} onRejected The callback for the loading failure.
- * @return {Promise} A promise that is resolved after the onFulfilled or
- * onRejected callback.
- */
- then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
- return this.promise.then.apply(this.promise, arguments);
- }
- };
- return PDFDocumentLoadingTask;
- }();
- /**
- * Abstract class to support range requests file loading.
- * @class
- * @alias PDFDataRangeTransport
- * @param {number} length
- * @param {Uint8Array} initialData
- */
- var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
- function PDFDataRangeTransport(length, initialData) {
- this.length = length;
- this.initialData = initialData;
- this._rangeListeners = [];
- this._progressListeners = [];
- this._progressiveReadListeners = [];
- this._readyCapability = createPromiseCapability();
- }
- PDFDataRangeTransport.prototype = /** @lends PDFDataRangeTransport.prototype */
- {
- addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
- this._rangeListeners.push(listener);
- },
- addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
- this._progressListeners.push(listener);
- },
- addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
- this._progressiveReadListeners.push(listener);
- },
- onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
- var listeners = this._rangeListeners;
- for (var i = 0, n = listeners.length; i < n; ++i) {
- listeners[i](begin, chunk);
- }
- },
- onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
- this._readyCapability.promise.then(function () {
- var listeners = this._progressListeners;
- for (var i = 0, n = listeners.length; i < n; ++i) {
- listeners[i](loaded);
- }
- }.bind(this));
- },
- onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
- this._readyCapability.promise.then(function () {
- var listeners = this._progressiveReadListeners;
- for (var i = 0, n = listeners.length; i < n; ++i) {
- listeners[i](chunk);
- }
- }.bind(this));
- },
- transportReady: function PDFDataRangeTransport_transportReady() {
- this._readyCapability.resolve();
- },
- requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
- throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
- },
- abort: function PDFDataRangeTransport_abort() {
- }
- };
- return PDFDataRangeTransport;
- }();
- /**
- * Proxy to a PDFDocument in the worker thread. Also, contains commonly used
- * properties that can be read synchronously.
- * @class
- * @alias PDFDocumentProxy
- */
- var PDFDocumentProxy = function PDFDocumentProxyClosure() {
- function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
- this.pdfInfo = pdfInfo;
- this.transport = transport;
- this.loadingTask = loadingTask;
- }
- PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */
- {
- /**
- * @return {number} Total number of pages the PDF contains.
- */
- get numPages() {
- return this.pdfInfo.numPages;
- },
- /**
- * @return {string} A unique ID to identify a PDF. Not guaranteed to be
- * unique.
- */
- get fingerprint() {
- return this.pdfInfo.fingerprint;
- },
- /**
- * @param {number} pageNumber The page number to get. The first page is 1.
- * @return {Promise} A promise that is resolved with a {@link PDFPageProxy}
- * object.
- */
- getPage: function PDFDocumentProxy_getPage(pageNumber) {
- return this.transport.getPage(pageNumber);
- },
- /**
- * @param {{num: number, gen: number}} ref The page reference. Must have
- * the 'num' and 'gen' properties.
- * @return {Promise} A promise that is resolved with the page index that is
- * associated with the reference.
- */
- getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
- return this.transport.getPageIndex(ref);
- },
- /**
- * @return {Promise} A promise that is resolved with a lookup table for
- * mapping named destinations to reference numbers.
- *
- * This can be slow for large documents: use getDestination instead
- */
- getDestinations: function PDFDocumentProxy_getDestinations() {
- return this.transport.getDestinations();
- },
- /**
- * @param {string} id The named destination to get.
- * @return {Promise} A promise that is resolved with all information
- * of the given named destination.
- */
- getDestination: function PDFDocumentProxy_getDestination(id) {
- return this.transport.getDestination(id);
- },
- /**
- * @return {Promise} A promise that is resolved with:
- * an Array containing the pageLabels that correspond to the pageIndexes,
- * or `null` when no pageLabels are present in the PDF file.
- */
- getPageLabels: function PDFDocumentProxy_getPageLabels() {
- return this.transport.getPageLabels();
- },
- /**
- * @return {Promise} A promise that is resolved with a lookup table for
- * mapping named attachments to their content.
- */
- getAttachments: function PDFDocumentProxy_getAttachments() {
- return this.transport.getAttachments();
- },
- /**
- * @return {Promise} A promise that is resolved with an array of all the
- * JavaScript strings in the name tree.
- */
- getJavaScript: function PDFDocumentProxy_getJavaScript() {
- return this.transport.getJavaScript();
- },
- /**
- * @return {Promise} A promise that is resolved with an {Array} that is a
- * tree outline (if it has one) of the PDF. The tree is in the format of:
- * [
- * {
- * title: string,
- * bold: boolean,
- * italic: boolean,
- * color: rgb Uint8Array,
- * dest: dest obj,
- * url: string,
- * items: array of more items like this
- * },
- * ...
- * ].
- */
- getOutline: function PDFDocumentProxy_getOutline() {
- return this.transport.getOutline();
- },
- /**
- * @return {Promise} A promise that is resolved with an {Object} that has
- * info and metadata properties. Info is an {Object} filled with anything
- * available in the information dictionary and similarly metadata is a
- * {Metadata} object with information from the metadata section of the PDF.
- */
- getMetadata: function PDFDocumentProxy_getMetadata() {
- return this.transport.getMetadata();
- },
- /**
- * @return {Promise} A promise that is resolved with a TypedArray that has
- * the raw data from the PDF.
- */
- getData: function PDFDocumentProxy_getData() {
- return this.transport.getData();
- },
- /**
- * @return {Promise} A promise that is resolved when the document's data
- * is loaded. It is resolved with an {Object} that contains the length
- * property that indicates size of the PDF data in bytes.
- */
- getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
- return this.transport.downloadInfoCapability.promise;
- },
- /**
- * @return {Promise} A promise this is resolved with current stats about
- * document structures (see {@link PDFDocumentStats}).
- */
- getStats: function PDFDocumentProxy_getStats() {
- return this.transport.getStats();
- },
- /**
- * Cleans up resources allocated by the document, e.g. created @font-face.
- */
- cleanup: function PDFDocumentProxy_cleanup() {
- this.transport.startCleanup();
- },
- /**
- * Destroys current document instance and terminates worker.
- */
- destroy: function PDFDocumentProxy_destroy() {
- return this.loadingTask.destroy();
- }
- };
- return PDFDocumentProxy;
- }();
- /**
- * Page getTextContent parameters.
- *
- * @typedef {Object} getTextContentParameters
- * @property {boolean} normalizeWhitespace - replaces all occurrences of
- * whitespace with standard spaces (0x20). The default value is `false`.
- * @property {boolean} disableCombineTextItems - do not attempt to combine
- * same line {@link TextItem}'s. The default value is `false`.
- */
- /**
- * Page text content.
- *
- * @typedef {Object} TextContent
- * @property {array} items - array of {@link TextItem}
- * @property {Object} styles - {@link TextStyles} objects, indexed by font name.
- */
- /**
- * Page text content part.
- *
- * @typedef {Object} TextItem
- * @property {string} str - text content.
- * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'.
- * @property {array} transform - transformation matrix.
- * @property {number} width - width in device space.
- * @property {number} height - height in device space.
- * @property {string} fontName - font name used by pdf.js for converted font.
- */
- /**
- * Text style.
- *
- * @typedef {Object} TextStyle
- * @property {number} ascent - font ascent.
- * @property {number} descent - font descent.
- * @property {boolean} vertical - text is in vertical mode.
- * @property {string} fontFamily - possible font family
- */
- /**
- * Page annotation parameters.
- *
- * @typedef {Object} GetAnnotationsParameters
- * @property {string} intent - Determines the annotations that will be fetched,
- * can be either 'display' (viewable annotations) or 'print'
- * (printable annotations).
- * If the parameter is omitted, all annotations are fetched.
- */
- /**
- * Page render parameters.
- *
- * @typedef {Object} RenderParameters
- * @property {Object} canvasContext - A 2D context of a DOM Canvas object.
- * @property {PageViewport} viewport - Rendering viewport obtained by
- * calling of PDFPage.getViewport method.
- * @property {string} intent - Rendering intent, can be 'display' or 'print'
- * (default value is 'display').
- * @property {boolean} renderInteractiveForms - (optional) Whether or not
- * interactive form elements are rendered in the display
- * layer. If so, we do not render them on canvas as well.
- * @property {Array} transform - (optional) Additional transform, applied
- * just before viewport transform.
- * @property {Object} imageLayer - (optional) An object that has beginLayout,
- * endLayout and appendImage functions.
- * @property {function} continueCallback - (deprecated) A function that will be
- * called each time the rendering is paused. To continue
- * rendering call the function that is the first argument
- * to the callback.
- */
- /**
- * PDF page operator list.
- *
- * @typedef {Object} PDFOperatorList
- * @property {Array} fnArray - Array containing the operator functions.
- * @property {Array} argsArray - Array containing the arguments of the
- * functions.
- */
- /**
- * Proxy to a PDFPage in the worker thread.
- * @class
- * @alias PDFPageProxy
- */
- var PDFPageProxy = function PDFPageProxyClosure() {
- function PDFPageProxy(pageIndex, pageInfo, transport) {
- this.pageIndex = pageIndex;
- this.pageInfo = pageInfo;
- this.transport = transport;
- this.stats = new StatTimer();
- this.stats.enabled = getDefaultSetting('enableStats');
- this.commonObjs = transport.commonObjs;
- this.objs = new PDFObjects();
- this.cleanupAfterRender = false;
- this.pendingCleanup = false;
- this.intentStates = Object.create(null);
- this.destroyed = false;
- }
- PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */
- {
- /**
- * @return {number} Page number of the page. First page is 1.
- */
- get pageNumber() {
- return this.pageIndex + 1;
- },
- /**
- * @return {number} The number of degrees the page is rotated clockwise.
- */
- get rotate() {
- return this.pageInfo.rotate;
- },
- /**
- * @return {Object} The reference that points to this page. It has 'num' and
- * 'gen' properties.
- */
- get ref() {
- return this.pageInfo.ref;
- },
- /**
- * @return {Array} An array of the visible portion of the PDF page in the
- * user space units - [x1, y1, x2, y2].
- */
- get view() {
- return this.pageInfo.view;
- },
- /**
- * @param {number} scale The desired scale of the viewport.
- * @param {number} rotate Degrees to rotate the viewport. If omitted this
- * defaults to the page rotation.
- * @return {PageViewport} Contains 'width' and 'height' properties
- * along with transforms required for rendering.
- */
- getViewport: function PDFPageProxy_getViewport(scale, rotate) {
- if (arguments.length < 2) {
- rotate = this.rotate;
- }
- return new PageViewport(this.view, scale, rotate, 0, 0);
- },
- /**
- * @param {GetAnnotationsParameters} params - Annotation parameters.
- * @return {Promise} A promise that is resolved with an {Array} of the
- * annotation objects.
- */
- getAnnotations: function PDFPageProxy_getAnnotations(params) {
- var intent = params && params.intent || null;
- if (!this.annotationsPromise || this.annotationsIntent !== intent) {
- this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
- this.annotationsIntent = intent;
- }
- return this.annotationsPromise;
- },
- /**
- * Begins the process of rendering a page to the desired context.
- * @param {RenderParameters} params Page render parameters.
- * @return {RenderTask} An object that contains the promise, which
- * is resolved when the page finishes rendering.
- */
- render: function PDFPageProxy_render(params) {
- var stats = this.stats;
- stats.time('Overall');
- // If there was a pending destroy cancel it so no cleanup happens during
- // this call to render.
- this.pendingCleanup = false;
- var renderingIntent = params.intent === 'print' ? 'print' : 'display';
- var renderInteractiveForms = params.renderInteractiveForms === true ? true : /* Default */
- false;
- if (!this.intentStates[renderingIntent]) {
- this.intentStates[renderingIntent] = Object.create(null);
- }
- var intentState = this.intentStates[renderingIntent];
- // If there's no displayReadyCapability yet, then the operatorList
- // was never requested before. Make the request and create the promise.
- if (!intentState.displayReadyCapability) {
- intentState.receivingOperatorList = true;
- intentState.displayReadyCapability = createPromiseCapability();
- intentState.operatorList = {
- fnArray: [],
- argsArray: [],
- lastChunk: false
- };
- this.stats.time('Page Request');
- this.transport.messageHandler.send('RenderPageRequest', {
- pageIndex: this.pageNumber - 1,
- intent: renderingIntent,
- renderInteractiveForms: renderInteractiveForms
- });
- }
- var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber);
- internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
- if (!intentState.renderTasks) {
- intentState.renderTasks = [];
- }
- intentState.renderTasks.push(internalRenderTask);
- var renderTask = internalRenderTask.task;
- // Obsolete parameter support
- if (params.continueCallback) {
- deprecated('render is used with continueCallback parameter');
- renderTask.onContinue = params.continueCallback;
- }
- var self = this;
- intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) {
- if (self.pendingCleanup) {
- complete();
- return;
- }
- stats.time('Rendering');
- internalRenderTask.initializeGraphics(transparency);
- internalRenderTask.operatorListChanged();
- }, function pageDisplayReadPromiseError(reason) {
- complete(reason);
- });
- function complete(error) {
- var i = intentState.renderTasks.indexOf(internalRenderTask);
- if (i >= 0) {
- intentState.renderTasks.splice(i, 1);
- }
- if (self.cleanupAfterRender) {
- self.pendingCleanup = true;
- }
- self._tryCleanup();
- if (error) {
- internalRenderTask.capability.reject(error);
- } else {
- internalRenderTask.capability.resolve();
- }
- stats.timeEnd('Rendering');
- stats.timeEnd('Overall');
- }
- return renderTask;
- },
- /**
- * @return {Promise} A promise resolved with an {@link PDFOperatorList}
- * object that represents page's operator list.
- */
- getOperatorList: function PDFPageProxy_getOperatorList() {
- function operatorListChanged() {
- if (intentState.operatorList.lastChunk) {
- intentState.opListReadCapability.resolve(intentState.operatorList);
- var i = intentState.renderTasks.indexOf(opListTask);
- if (i >= 0) {
- intentState.renderTasks.splice(i, 1);
- }
- }
- }
- var renderingIntent = 'oplist';
- if (!this.intentStates[renderingIntent]) {
- this.intentStates[renderingIntent] = Object.create(null);
- }
- var intentState = this.intentStates[renderingIntent];
- var opListTask;
- if (!intentState.opListReadCapability) {
- opListTask = {};
- opListTask.operatorListChanged = operatorListChanged;
- intentState.receivingOperatorList = true;
- intentState.opListReadCapability = createPromiseCapability();
- intentState.renderTasks = [];
- intentState.renderTasks.push(opListTask);
- intentState.operatorList = {
- fnArray: [],
- argsArray: [],
- lastChunk: false
- };
- this.transport.messageHandler.send('RenderPageRequest', {
- pageIndex: this.pageIndex,
- intent: renderingIntent
- });
- }
- return intentState.opListReadCapability.promise;
- },
- /**
- * @param {getTextContentParameters} params - getTextContent parameters.
- * @return {Promise} That is resolved a {@link TextContent}
- * object that represent the page text content.
- */
- getTextContent: function PDFPageProxy_getTextContent(params) {
- return this.transport.messageHandler.sendWithPromise('GetTextContent', {
- pageIndex: this.pageNumber - 1,
- normalizeWhitespace: params && params.normalizeWhitespace === true ? true : /* Default */
- false,
- combineTextItems: params && params.disableCombineTextItems === true ? false : /* Default */
- true
- });
- },
- /**
- * Destroys page object.
- */
- _destroy: function PDFPageProxy_destroy() {
- this.destroyed = true;
- this.transport.pageCache[this.pageIndex] = null;
- var waitOn = [];
- Object.keys(this.intentStates).forEach(function (intent) {
- if (intent === 'oplist') {
- // Avoid errors below, since the renderTasks are just stubs.
- return;
- }
- var intentState = this.intentStates[intent];
- intentState.renderTasks.forEach(function (renderTask) {
- var renderCompleted = renderTask.capability.promise.catch(function () {
- });
- // ignoring failures
- waitOn.push(renderCompleted);
- renderTask.cancel();
- });
- }, this);
- this.objs.clear();
- this.annotationsPromise = null;
- this.pendingCleanup = false;
- return Promise.all(waitOn);
- },
- /**
- * Cleans up resources allocated by the page. (deprecated)
- */
- destroy: function () {
- deprecated('page destroy method, use cleanup() instead');
- this.cleanup();
- },
- /**
- * Cleans up resources allocated by the page.
- */
- cleanup: function PDFPageProxy_cleanup() {
- this.pendingCleanup = true;
- this._tryCleanup();
- },
- /**
- * For internal use only. Attempts to clean up if rendering is in a state
- * where that's possible.
- * @ignore
- */
- _tryCleanup: function PDFPageProxy_tryCleanup() {
- if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
- var intentState = this.intentStates[intent];
- return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
- }, this)) {
- return;
- }
- Object.keys(this.intentStates).forEach(function (intent) {
- delete this.intentStates[intent];
- }, this);
- this.objs.clear();
- this.annotationsPromise = null;
- this.pendingCleanup = false;
- },
- /**
- * For internal use only.
- * @ignore
- */
- _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
- var intentState = this.intentStates[intent];
- // TODO Refactor RenderPageRequest to separate rendering
- // and operator list logic
- if (intentState.displayReadyCapability) {
- intentState.displayReadyCapability.resolve(transparency);
- }
- },
- /**
- * For internal use only.
- * @ignore
- */
- _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
- var intentState = this.intentStates[intent];
- var i, ii;
- // Add the new chunk to the current operator list.
- for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
- intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
- intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
- }
- intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
- // Notify all the rendering tasks there are more operators to be consumed.
- for (i = 0; i < intentState.renderTasks.length; i++) {
- intentState.renderTasks[i].operatorListChanged();
- }
- if (operatorListChunk.lastChunk) {
- intentState.receivingOperatorList = false;
- this._tryCleanup();
- }
- }
- };
- return PDFPageProxy;
- }();
- /**
- * PDF.js web worker abstraction, it controls instantiation of PDF documents and
- * WorkerTransport for them. If creation of a web worker is not possible,
- * a "fake" worker will be used instead.
- * @class
- */
- var PDFWorker = function PDFWorkerClosure() {
- var nextFakeWorkerId = 0;
- function getWorkerSrc() {
- if (typeof workerSrc !== 'undefined') {
- return workerSrc;
- }
- if (getDefaultSetting('workerSrc')) {
- return getDefaultSetting('workerSrc');
- }
- error('No PDFJS.workerSrc specified');
- }
- var fakeWorkerFilesLoadedCapability;
- // Loads worker code into main thread.
- function setupFakeWorkerGlobal() {
- var WorkerMessageHandler;
- if (fakeWorkerFilesLoadedCapability) {
- return fakeWorkerFilesLoadedCapability.promise;
- }
- fakeWorkerFilesLoadedCapability = createPromiseCapability();
- var loader = fakeWorkerFilesLoader || function (callback) {
- Util.loadScript(getWorkerSrc(), function () {
- callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
- });
- };
- loader(fakeWorkerFilesLoadedCapability.resolve);
- return fakeWorkerFilesLoadedCapability.promise;
- }
- function FakeWorkerPort(defer) {
- this._listeners = [];
- this._defer = defer;
- this._deferred = Promise.resolve(undefined);
- }
- FakeWorkerPort.prototype = {
- postMessage: function (obj, transfers) {
- function cloneValue(value) {
- // Trying to perform a structured clone close to the spec, including
- // transfers.
- if (typeof value !== 'object' || value === null) {
- return value;
- }
- if (cloned.has(value)) {
- // already cloned the object
- return cloned.get(value);
- }
- var result;
- var buffer;
- if ((buffer = value.buffer) && isArrayBuffer(buffer)) {
- // We found object with ArrayBuffer (typed array).
- var transferable = transfers && transfers.indexOf(buffer) >= 0;
- if (value === buffer) {
- // Special case when we are faking typed arrays in compatibility.js.
- result = value;
- } else if (transferable) {
- result = new value.constructor(buffer, value.byteOffset, value.byteLength);
- } else {
- result = new value.constructor(value);
- }
- cloned.set(value, result);
- return result;
- }
- result = isArray(value) ? [] : {};
- cloned.set(value, result);
- // adding to cache now for cyclic references
- // Cloning all value and object properties, however ignoring properties
- // defined via getter.
- for (var i in value) {
- var desc, p = value;
- while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
- p = Object.getPrototypeOf(p);
- }
- if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
- continue;
- }
- result[i] = cloneValue(desc.value);
- }
- return result;
- }
- if (!this._defer) {
- this._listeners.forEach(function (listener) {
- listener.call(this, { data: obj });
- }, this);
- return;
- }
- var cloned = new WeakMap();
- var e = { data: cloneValue(obj) };
- this._deferred.then(function () {
- this._listeners.forEach(function (listener) {
- listener.call(this, e);
- }, this);
- }.bind(this));
- },
- addEventListener: function (name, listener) {
- this._listeners.push(listener);
- },
- removeEventListener: function (name, listener) {
- var i = this._listeners.indexOf(listener);
- this._listeners.splice(i, 1);
- },
- terminate: function () {
- this._listeners = [];
- }
- };
- function createCDNWrapper(url) {
- // We will rely on blob URL's property to specify origin.
- // We want this function to fail in case if createObjectURL or Blob do not
- // exist or fail for some reason -- our Worker creation will fail anyway.
- var wrapper = 'importScripts(\'' + url + '\');';
- return URL.createObjectURL(new Blob([wrapper]));
- }
- function PDFWorker(name) {
- this.name = name;
- this.destroyed = false;
- this._readyCapability = createPromiseCapability();
- this._port = null;
- this._webWorker = null;
- this._messageHandler = null;
- this._initialize();
- }
- PDFWorker.prototype = /** @lends PDFWorker.prototype */
- {
- get promise() {
- return this._readyCapability.promise;
- },
- get port() {
- return this._port;
- },
- get messageHandler() {
- return this._messageHandler;
- },
- _initialize: function PDFWorker_initialize() {
- // If worker support isn't disabled explicit and the browser has worker
- // support, create a new web worker and test if it/the browser fulfills
- // all requirements to run parts of pdf.js in a web worker.
- // Right now, the requirement is, that an Uint8Array is still an
- // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)
- if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') {
- var workerSrc = getWorkerSrc();
- try {
- // Some versions of FF can't create a worker on localhost, see:
- // https://bugzilla.mozilla.org/show_bug.cgi?id=683280
- var worker = new Worker(workerSrc);
- var messageHandler = new MessageHandler('main', 'worker', worker);
- var terminateEarly = function () {
- worker.removeEventListener('error', onWorkerError);
- messageHandler.destroy();
- worker.terminate();
- if (this.destroyed) {
- this._readyCapability.reject(new Error('Worker was destroyed'));
- } else {
- // Fall back to fake worker if the termination is caused by an
- // error (e.g. NetworkError / SecurityError).
- this._setupFakeWorker();
- }
- }.bind(this);
- var onWorkerError = function (event) {
- if (!this._webWorker) {
- // Worker failed to initialize due to an error. Clean up and fall
- // back to the fake worker.
- terminateEarly();
- }
- }.bind(this);
- worker.addEventListener('error', onWorkerError);
- messageHandler.on('test', function PDFWorker_test(data) {
- worker.removeEventListener('error', onWorkerError);
- if (this.destroyed) {
- terminateEarly();
- return;
- }
- // worker was destroyed
- var supportTypedArray = data && data.supportTypedArray;
- if (supportTypedArray) {
- this._messageHandler = messageHandler;
- this._port = worker;
- this._webWorker = worker;
- if (!data.supportTransfers) {
- isPostMessageTransfersDisabled = true;
- }
- this._readyCapability.resolve();
- // Send global setting, e.g. verbosity level.
- messageHandler.send('configure', { verbosity: getVerbosityLevel() });
- } else {
- this._setupFakeWorker();
- messageHandler.destroy();
- worker.terminate();
- }
- }.bind(this));
- messageHandler.on('console_log', function (data) {
- console.log.apply(console, data);
- });
- messageHandler.on('console_error', function (data) {
- console.error.apply(console, data);
- });
- messageHandler.on('ready', function (data) {
- worker.removeEventListener('error', onWorkerError);
- if (this.destroyed) {
- terminateEarly();
- return;
- }
- // worker was destroyed
- try {
- sendTest();
- } catch (e) {
- // We need fallback to a faked worker.
- this._setupFakeWorker();
- }
- }.bind(this));
- var sendTest = function () {
- var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled;
- var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
- // Some versions of Opera throw a DATA_CLONE_ERR on serializing the
- // typed array. Also, checking if we can use transfers.
- try {
- messageHandler.send('test', testObj, [testObj.buffer]);
- } catch (ex) {
- info('Cannot use postMessage transfers');
- testObj[0] = 0;
- messageHandler.send('test', testObj);
- }
- };
- // It might take time for worker to initialize (especially when AMD
- // loader is used). We will try to send test immediately, and then
- // when 'ready' message will arrive. The worker shall process only
- // first received 'test'.
- sendTest();
- return;
- } catch (e) {
- info('The worker has been disabled.');
- }
- }
- // Either workers are disabled, not supported or have thrown an exception.
- // Thus, we fallback to a faked worker.
- this._setupFakeWorker();
- },
- _setupFakeWorker: function PDFWorker_setupFakeWorker() {
- if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {
- warn('Setting up fake worker.');
- isWorkerDisabled = true;
- }
- setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
- if (this.destroyed) {
- this._readyCapability.reject(new Error('Worker was destroyed'));
- return;
- }
- // We cannot turn on proper fake port simulation (this includes
- // structured cloning) when typed arrays are not supported. Relying
- // on a chance that messages will be sent in proper order.
- var isTypedArraysPresent = Uint8Array !== Float32Array;
- var port = new FakeWorkerPort(isTypedArraysPresent);
- this._port = port;
- // All fake workers use the same port, making id unique.
- var id = 'fake' + nextFakeWorkerId++;
- // If the main thread is our worker, setup the handling for the
- // messages -- the main thread sends to it self.
- var workerHandler = new MessageHandler(id + '_worker', id, port);
- WorkerMessageHandler.setup(workerHandler, port);
- var messageHandler = new MessageHandler(id, id + '_worker', port);
- this._messageHandler = messageHandler;
- this._readyCapability.resolve();
- }.bind(this));
- },
- /**
- * Destroys the worker instance.
- */
- destroy: function PDFWorker_destroy() {
- this.destroyed = true;
- if (this._webWorker) {
- // We need to terminate only web worker created resource.
- this._webWorker.terminate();
- this._webWorker = null;
- }
- this._port = null;
- if (this._messageHandler) {
- this._messageHandler.destroy();
- this._messageHandler = null;
- }
- }
- };
- return PDFWorker;
- }();
- /**
- * For internal use only.
- * @ignore
- */
- var WorkerTransport = function WorkerTransportClosure() {
- function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) {
- this.messageHandler = messageHandler;
- this.loadingTask = loadingTask;
- this.pdfDataRangeTransport = pdfDataRangeTransport;
- this.commonObjs = new PDFObjects();
- this.fontLoader = new FontLoader(loadingTask.docId);
- this.destroyed = false;
- this.destroyCapability = null;
- this.pageCache = [];
- this.pagePromises = [];
- this.downloadInfoCapability = createPromiseCapability();
- this.setupMessageHandler();
- }
- WorkerTransport.prototype = {
- destroy: function WorkerTransport_destroy() {
- if (this.destroyCapability) {
- return this.destroyCapability.promise;
- }
- this.destroyed = true;
- this.destroyCapability = createPromiseCapability();
- var waitOn = [];
- // We need to wait for all renderings to be completed, e.g.
- // timeout/rAF can take a long time.
- this.pageCache.forEach(function (page) {
- if (page) {
- waitOn.push(page._destroy());
- }
- });
- this.pageCache = [];
- this.pagePromises = [];
- var self = this;
- // We also need to wait for the worker to finish its long running tasks.
- var terminated = this.messageHandler.sendWithPromise('Terminate', null);
- waitOn.push(terminated);
- Promise.all(waitOn).then(function () {
- self.fontLoader.clear();
- if (self.pdfDataRangeTransport) {
- self.pdfDataRangeTransport.abort();
- self.pdfDataRangeTransport = null;
- }
- if (self.messageHandler) {
- self.messageHandler.destroy();
- self.messageHandler = null;
- }
- self.destroyCapability.resolve();
- }, this.destroyCapability.reject);
- return this.destroyCapability.promise;
- },
- setupMessageHandler: function WorkerTransport_setupMessageHandler() {
- var messageHandler = this.messageHandler;
- function updatePassword(password) {
- messageHandler.send('UpdatePassword', password);
- }
- var pdfDataRangeTransport = this.pdfDataRangeTransport;
- if (pdfDataRangeTransport) {
- pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
- messageHandler.send('OnDataRange', {
- begin: begin,
- chunk: chunk
- });
- });
- pdfDataRangeTransport.addProgressListener(function (loaded) {
- messageHandler.send('OnDataProgress', { loaded: loaded });
- });
- pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
- messageHandler.send('OnDataRange', { chunk: chunk });
- });
- messageHandler.on('RequestDataRange', function transportDataRange(data) {
- pdfDataRangeTransport.requestDataRange(data.begin, data.end);
- }, this);
- }
- messageHandler.on('GetDoc', function transportDoc(data) {
- var pdfInfo = data.pdfInfo;
- this.numPages = data.pdfInfo.numPages;
- var loadingTask = this.loadingTask;
- var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
- this.pdfDocument = pdfDocument;
- loadingTask._capability.resolve(pdfDocument);
- }, this);
- messageHandler.on('NeedPassword', function transportNeedPassword(exception) {
- var loadingTask = this.loadingTask;
- if (loadingTask.onPassword) {
- return loadingTask.onPassword(updatePassword, PasswordResponses.NEED_PASSWORD);
- }
- loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
- }, this);
- messageHandler.on('IncorrectPassword', function transportIncorrectPassword(exception) {
- var loadingTask = this.loadingTask;
- if (loadingTask.onPassword) {
- return loadingTask.onPassword(updatePassword, PasswordResponses.INCORRECT_PASSWORD);
- }
- loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
- }, this);
- messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
- this.loadingTask._capability.reject(new InvalidPDFException(exception.message));
- }, this);
- messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
- this.loadingTask._capability.reject(new MissingPDFException(exception.message));
- }, this);
- messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
- this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status));
- }, this);
- messageHandler.on('UnknownError', function transportUnknownError(exception) {
- this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details));
- }, this);
- messageHandler.on('DataLoaded', function transportPage(data) {
- this.downloadInfoCapability.resolve(data);
- }, this);
- messageHandler.on('PDFManagerReady', function transportPage(data) {
- if (this.pdfDataRangeTransport) {
- this.pdfDataRangeTransport.transportReady();
- }
- }, this);
- messageHandler.on('StartRenderPage', function transportRender(data) {
- if (this.destroyed) {
- return;
- }
- // Ignore any pending requests if the worker was terminated.
- var page = this.pageCache[data.pageIndex];
- page.stats.timeEnd('Page Request');
- page._startRenderPage(data.transparency, data.intent);
- }, this);
- messageHandler.on('RenderPageChunk', function transportRender(data) {
- if (this.destroyed) {
- return;
- }
- // Ignore any pending requests if the worker was terminated.
- var page = this.pageCache[data.pageIndex];
- page._renderPageChunk(data.operatorList, data.intent);
- }, this);
- messageHandler.on('commonobj', function transportObj(data) {
- if (this.destroyed) {
- return;
- }
- // Ignore any pending requests if the worker was terminated.
- var id = data[0];
- var type = data[1];
- if (this.commonObjs.hasData(id)) {
- return;
- }
- switch (type) {
- case 'Font':
- var exportedData = data[2];
- if ('error' in exportedData) {
- var exportedError = exportedData.error;
- warn('Error during font loading: ' + exportedError);
- this.commonObjs.resolve(id, exportedError);
- break;
- }
- var fontRegistry = null;
- if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) {
- fontRegistry = {
- registerFont: function (font, url) {
- globalScope['FontInspector'].fontAdded(font, url);
- }
- };
- }
- var font = new FontFaceObject(exportedData, {
- isEvalSuported: getDefaultSetting('isEvalSupported'),
- disableFontFace: getDefaultSetting('disableFontFace'),
- fontRegistry: fontRegistry
- });
- this.fontLoader.bind([font], function fontReady(fontObjs) {
- this.commonObjs.resolve(id, font);
- }.bind(this));
- break;
- case 'FontPath':
- this.commonObjs.resolve(id, data[2]);
- break;
- default:
- error('Got unknown common object type ' + type);
- }
- }, this);
- messageHandler.on('obj', function transportObj(data) {
- if (this.destroyed) {
- return;
- }
- // Ignore any pending requests if the worker was terminated.
- var id = data[0];
- var pageIndex = data[1];
- var type = data[2];
- var pageProxy = this.pageCache[pageIndex];
- var imageData;
- if (pageProxy.objs.hasData(id)) {
- return;
- }
- switch (type) {
- case 'JpegStream':
- imageData = data[3];
- loadJpegStream(id, imageData, pageProxy.objs);
- break;
- case 'Image':
- imageData = data[3];
- pageProxy.objs.resolve(id, imageData);
- // heuristics that will allow not to store large data
- var MAX_IMAGE_SIZE_TO_STORE = 8000000;
- if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
- pageProxy.cleanupAfterRender = true;
- }
- break;
- default:
- error('Got unknown object type ' + type);
- }
- }, this);
- messageHandler.on('DocProgress', function transportDocProgress(data) {
- if (this.destroyed) {
- return;
- }
- // Ignore any pending requests if the worker was terminated.
- var loadingTask = this.loadingTask;
- if (loadingTask.onProgress) {
- loadingTask.onProgress({
- loaded: data.loaded,
- total: data.total
- });
- }
- }, this);
- messageHandler.on('PageError', function transportError(data) {
- if (this.destroyed) {
- return;
- }
- // Ignore any pending requests if the worker was terminated.
- var page = this.pageCache[data.pageNum - 1];
- var intentState = page.intentStates[data.intent];
- if (intentState.displayReadyCapability) {
- intentState.displayReadyCapability.reject(data.error);
- } else {
- error(data.error);
- }
- if (intentState.operatorList) {
- // Mark operator list as complete.
- intentState.operatorList.lastChunk = true;
- for (var i = 0; i < intentState.renderTasks.length; i++) {
- intentState.renderTasks[i].operatorListChanged();
- }
- }
- }, this);
- messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) {
- if (this.destroyed) {
- return;
- }
- // Ignore any pending requests if the worker was terminated.
- var featureId = data.featureId;
- var loadingTask = this.loadingTask;
- if (loadingTask.onUnsupportedFeature) {
- loadingTask.onUnsupportedFeature(featureId);
- }
- _UnsupportedManager.notify(featureId);
- }, this);
- messageHandler.on('JpegDecode', function (data) {
- if (this.destroyed) {
- return Promise.reject(new Error('Worker was destroyed'));
- }
- var imageUrl = data[0];
- var components = data[1];
- if (components !== 3 && components !== 1) {
- return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
- }
- return new Promise(function (resolve, reject) {
- var img = new Image();
- img.onload = function () {
- var width = img.width;
- var height = img.height;
- var size = width * height;
- var rgbaLength = size * 4;
- var buf = new Uint8Array(size * components);
- var tmpCanvas = createScratchCanvas(width, height);
- var tmpCtx = tmpCanvas.getContext('2d');
- tmpCtx.drawImage(img, 0, 0);
- var data = tmpCtx.getImageData(0, 0, width, height).data;
- var i, j;
- if (components === 3) {
- for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
- buf[j] = data[i];
- buf[j + 1] = data[i + 1];
- buf[j + 2] = data[i + 2];
- }
- } else if (components === 1) {
- for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
- buf[j] = data[i];
- }
- }
- resolve({
- data: buf,
- width: width,
- height: height
- });
- };
- img.onerror = function () {
- reject(new Error('JpegDecode failed to load image'));
- };
- img.src = imageUrl;
- });
- }, this);
- },
- getData: function WorkerTransport_getData() {
- return this.messageHandler.sendWithPromise('GetData', null);
- },
- getPage: function WorkerTransport_getPage(pageNumber, capability) {
- if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
- return Promise.reject(new Error('Invalid page request'));
- }
- var pageIndex = pageNumber - 1;
- if (pageIndex in this.pagePromises) {
- return this.pagePromises[pageIndex];
- }
- var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
- if (this.destroyed) {
- throw new Error('Transport destroyed');
- }
- var page = new PDFPageProxy(pageIndex, pageInfo, this);
- this.pageCache[pageIndex] = page;
- return page;
- }.bind(this));
- this.pagePromises[pageIndex] = promise;
- return promise;
- },
- getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
- return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
- return Promise.reject(new Error(reason));
- });
- },
- getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
- return this.messageHandler.sendWithPromise('GetAnnotations', {
- pageIndex: pageIndex,
- intent: intent
- });
- },
- getDestinations: function WorkerTransport_getDestinations() {
- return this.messageHandler.sendWithPromise('GetDestinations', null);
- },
- getDestination: function WorkerTransport_getDestination(id) {
- return this.messageHandler.sendWithPromise('GetDestination', { id: id });
- },
- getPageLabels: function WorkerTransport_getPageLabels() {
- return this.messageHandler.sendWithPromise('GetPageLabels', null);
- },
- getAttachments: function WorkerTransport_getAttachments() {
- return this.messageHandler.sendWithPromise('GetAttachments', null);
- },
- getJavaScript: function WorkerTransport_getJavaScript() {
- return this.messageHandler.sendWithPromise('GetJavaScript', null);
- },
- getOutline: function WorkerTransport_getOutline() {
- return this.messageHandler.sendWithPromise('GetOutline', null);
- },
- getMetadata: function WorkerTransport_getMetadata() {
- return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) {
- return {
- info: results[0],
- metadata: results[1] ? new Metadata(results[1]) : null
- };
- });
- },
- getStats: function WorkerTransport_getStats() {
- return this.messageHandler.sendWithPromise('GetStats', null);
- },
- startCleanup: function WorkerTransport_startCleanup() {
- this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() {
- for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
- var page = this.pageCache[i];
- if (page) {
- page.cleanup();
- }
- }
- this.commonObjs.clear();
- this.fontLoader.clear();
- }.bind(this));
- }
- };
- return WorkerTransport;
- }();
- /**
- * A PDF document and page is built of many objects. E.g. there are objects
- * for fonts, images, rendering code and such. These objects might get processed
- * inside of a worker. The `PDFObjects` implements some basic functions to
- * manage these objects.
- * @ignore
- */
- var PDFObjects = function PDFObjectsClosure() {
- function PDFObjects() {
- this.objs = Object.create(null);
- }
- PDFObjects.prototype = {
- /**
- * Internal function.
- * Ensures there is an object defined for `objId`.
- */
- ensureObj: function PDFObjects_ensureObj(objId) {
- if (this.objs[objId]) {
- return this.objs[objId];
- }
- var obj = {
- capability: createPromiseCapability(),
- data: null,
- resolved: false
- };
- this.objs[objId] = obj;
- return obj;
- },
- /**
- * If called *without* callback, this returns the data of `objId` but the
- * object needs to be resolved. If it isn't, this function throws.
- *
- * If called *with* a callback, the callback is called with the data of the
- * object once the object is resolved. That means, if you call this
- * function and the object is already resolved, the callback gets called
- * right away.
- */
- get: function PDFObjects_get(objId, callback) {
- // If there is a callback, then the get can be async and the object is
- // not required to be resolved right now
- if (callback) {
- this.ensureObj(objId).capability.promise.then(callback);
- return null;
- }
- // If there isn't a callback, the user expects to get the resolved data
- // directly.
- var obj = this.objs[objId];
- // If there isn't an object yet or the object isn't resolved, then the
- // data isn't ready yet!
- if (!obj || !obj.resolved) {
- error('Requesting object that isn\'t resolved yet ' + objId);
- }
- return obj.data;
- },
- /**
- * Resolves the object `objId` with optional `data`.
- */
- resolve: function PDFObjects_resolve(objId, data) {
- var obj = this.ensureObj(objId);
- obj.resolved = true;
- obj.data = data;
- obj.capability.resolve(data);
- },
- isResolved: function PDFObjects_isResolved(objId) {
- var objs = this.objs;
- if (!objs[objId]) {
- return false;
- } else {
- return objs[objId].resolved;
- }
- },
- hasData: function PDFObjects_hasData(objId) {
- return this.isResolved(objId);
- },
- /**
- * Returns the data of `objId` if object exists, null otherwise.
- */
- getData: function PDFObjects_getData(objId) {
- var objs = this.objs;
- if (!objs[objId] || !objs[objId].resolved) {
- return null;
- } else {
- return objs[objId].data;
- }
- },
- clear: function PDFObjects_clear() {
- this.objs = Object.create(null);
- }
- };
- return PDFObjects;
- }();
- /**
- * Allows controlling of the rendering tasks.
- * @class
- * @alias RenderTask
- */
- var RenderTask = function RenderTaskClosure() {
- function RenderTask(internalRenderTask) {
- this._internalRenderTask = internalRenderTask;
- /**
- * Callback for incremental rendering -- a function that will be called
- * each time the rendering is paused. To continue rendering call the
- * function that is the first argument to the callback.
- * @type {function}
- */
- this.onContinue = null;
- }
- RenderTask.prototype = /** @lends RenderTask.prototype */
- {
- /**
- * Promise for rendering task completion.
- * @return {Promise}
- */
- get promise() {
- return this._internalRenderTask.capability.promise;
- },
- /**
- * Cancels the rendering task. If the task is currently rendering it will
- * not be cancelled until graphics pauses with a timeout. The promise that
- * this object extends will resolved when cancelled.
- */
- cancel: function RenderTask_cancel() {
- this._internalRenderTask.cancel();
- },
- /**
- * Registers callbacks to indicate the rendering task completion.
- *
- * @param {function} onFulfilled The callback for the rendering completion.
- * @param {function} onRejected The callback for the rendering failure.
- * @return {Promise} A promise that is resolved after the onFulfilled or
- * onRejected callback.
- */
- then: function RenderTask_then(onFulfilled, onRejected) {
- return this.promise.then.apply(this.promise, arguments);
- }
- };
- return RenderTask;
- }();
- /**
- * For internal use only.
- * @ignore
- */
- var InternalRenderTask = function InternalRenderTaskClosure() {
- function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber) {
- this.callback = callback;
- this.params = params;
- this.objs = objs;
- this.commonObjs = commonObjs;
- this.operatorListIdx = null;
- this.operatorList = operatorList;
- this.pageNumber = pageNumber;
- this.running = false;
- this.graphicsReadyCallback = null;
- this.graphicsReady = false;
- this.useRequestAnimationFrame = false;
- this.cancelled = false;
- this.capability = createPromiseCapability();
- this.task = new RenderTask(this);
- // caching this-bound methods
- this._continueBound = this._continue.bind(this);
- this._scheduleNextBound = this._scheduleNext.bind(this);
- this._nextBound = this._next.bind(this);
- }
- InternalRenderTask.prototype = {
- initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) {
- if (this.cancelled) {
- return;
- }
- if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) {
- this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);
- this.stepper.init(this.operatorList);
- this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
- }
- var params = this.params;
- this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, params.imageLayer);
- this.gfx.beginDrawing(params.transform, params.viewport, transparency);
- this.operatorListIdx = 0;
- this.graphicsReady = true;
- if (this.graphicsReadyCallback) {
- this.graphicsReadyCallback();
- }
- },
- cancel: function InternalRenderTask_cancel() {
- this.running = false;
- this.cancelled = true;
- this.callback('cancelled');
- },
- operatorListChanged: function InternalRenderTask_operatorListChanged() {
- if (!this.graphicsReady) {
- if (!this.graphicsReadyCallback) {
- this.graphicsReadyCallback = this._continueBound;
- }
- return;
- }
- if (this.stepper) {
- this.stepper.updateOperatorList(this.operatorList);
- }
- if (this.running) {
- return;
- }
- this._continue();
- },
- _continue: function InternalRenderTask__continue() {
- this.running = true;
- if (this.cancelled) {
- return;
- }
- if (this.task.onContinue) {
- this.task.onContinue.call(this.task, this._scheduleNextBound);
- } else {
- this._scheduleNext();
- }
- },
- _scheduleNext: function InternalRenderTask__scheduleNext() {
- if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
- window.requestAnimationFrame(this._nextBound);
- } else {
- Promise.resolve(undefined).then(this._nextBound);
- }
- },
- _next: function InternalRenderTask__next() {
- if (this.cancelled) {
- return;
- }
- this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
- if (this.operatorListIdx === this.operatorList.argsArray.length) {
- this.running = false;
- if (this.operatorList.lastChunk) {
- this.gfx.endDrawing();
- this.callback();
- }
- }
- }
- };
- return InternalRenderTask;
- }();
- /**
- * (Deprecated) Global observer of unsupported feature usages. Use
- * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance.
- */
- var _UnsupportedManager = function UnsupportedManagerClosure() {
- var listeners = [];
- return {
- listen: function (cb) {
- deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
- listeners.push(cb);
- },
- notify: function (featureId) {
- for (var i = 0, ii = listeners.length; i < ii; i++) {
- listeners[i](featureId);
- }
- }
- };
- }();
- if (typeof pdfjsVersion !== 'undefined') {
- exports.version = pdfjsVersion;
- }
- if (typeof pdfjsBuild !== 'undefined') {
- exports.build = pdfjsBuild;
- }
- exports.getDocument = getDocument;
- exports.PDFDataRangeTransport = PDFDataRangeTransport;
- exports.PDFWorker = PDFWorker;
- exports.PDFDocumentProxy = PDFDocumentProxy;
- exports.PDFPageProxy = PDFPageProxy;
- exports._UnsupportedManager = _UnsupportedManager;
- }));
- (function (root, factory) {
- factory(root.pdfjsDisplayGlobal = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayAPI, root.pdfjsDisplayAnnotationLayer, root.pdfjsDisplayTextLayer, root.pdfjsDisplayMetadata, root.pdfjsDisplaySVG);
- }(this, function (exports, sharedUtil, displayDOMUtils, displayAPI, displayAnnotationLayer, displayTextLayer, displayMetadata, displaySVG) {
- var globalScope = sharedUtil.globalScope;
- var deprecated = sharedUtil.deprecated;
- var warn = sharedUtil.warn;
- var LinkTarget = displayDOMUtils.LinkTarget;
- var isWorker = typeof window === 'undefined';
- // The global PDFJS object is now deprecated and will not be supported in
- // the future. The members below are maintained for backward compatibility
- // and shall not be extended or modified. If the global.js is included as
- // a module, we will create a global PDFJS object instance or use existing.
- if (!globalScope.PDFJS) {
- globalScope.PDFJS = {};
- }
- var PDFJS = globalScope.PDFJS;
- if (typeof pdfjsVersion !== 'undefined') {
- PDFJS.version = pdfjsVersion;
- }
- if (typeof pdfjsBuild !== 'undefined') {
- PDFJS.build = pdfjsBuild;
- }
- PDFJS.pdfBug = false;
- if (PDFJS.verbosity !== undefined) {
- sharedUtil.setVerbosityLevel(PDFJS.verbosity);
- }
- delete PDFJS.verbosity;
- Object.defineProperty(PDFJS, 'verbosity', {
- get: function () {
- return sharedUtil.getVerbosityLevel();
- },
- set: function (level) {
- sharedUtil.setVerbosityLevel(level);
- },
- enumerable: true,
- configurable: true
- });
- PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS;
- PDFJS.OPS = sharedUtil.OPS;
- PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
- PDFJS.isValidUrl = displayDOMUtils.isValidUrl;
- PDFJS.shadow = sharedUtil.shadow;
- PDFJS.createBlob = sharedUtil.createBlob;
- PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
- return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);
- };
- Object.defineProperty(PDFJS, 'isLittleEndian', {
- configurable: true,
- get: function PDFJS_isLittleEndian() {
- var value = sharedUtil.isLittleEndian();
- return sharedUtil.shadow(PDFJS, 'isLittleEndian', value);
- }
- });
- PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters;
- PDFJS.PasswordResponses = sharedUtil.PasswordResponses;
- PDFJS.PasswordException = sharedUtil.PasswordException;
- PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException;
- PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException;
- PDFJS.MissingPDFException = sharedUtil.MissingPDFException;
- PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
- PDFJS.Util = sharedUtil.Util;
- PDFJS.PageViewport = sharedUtil.PageViewport;
- PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability;
- /**
- * The maximum allowed image size in total pixels e.g. width * height. Images
- * above this value will not be drawn. Use -1 for no limit.
- * @var {number}
- */
- PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize;
- /**
- * The url of where the predefined Adobe CMaps are located. Include trailing
- * slash.
- * @var {string}
- */
- PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl;
- /**
- * Specifies if CMaps are binary packed.
- * @var {boolean}
- */
- PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
- /**
- * By default fonts are converted to OpenType fonts and loaded via font face
- * rules. If disabled, the font will be rendered using a built in font
- * renderer that constructs the glyphs with primitive path commands.
- * @var {boolean}
- */
- PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace;
- /**
- * Path for image resources, mainly for annotation icons. Include trailing
- * slash.
- * @var {string}
- */
- PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath;
- /**
- * Disable the web worker and run all code on the main thread. This will
- * happen automatically if the browser doesn't support workers or sending
- * typed arrays to workers.
- * @var {boolean}
- */
- PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker;
- /**
- * Path and filename of the worker file. Required when the worker is enabled
- * in development mode. If unspecified in the production build, the worker
- * will be loaded based on the location of the pdf.js file. It is recommended
- * that the workerSrc is set in a custom application to prevent issues caused
- * by third-party frameworks and libraries.
- * @var {string}
- */
- PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc;
- /**
- * Disable range request loading of PDF files. When enabled and if the server
- * supports partial content requests then the PDF will be fetched in chunks.
- * Enabled (false) by default.
- * @var {boolean}
- */
- PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange;
- /**
- * Disable streaming of PDF file data. By default PDF.js attempts to load PDF
- * in chunks. This default behavior can be disabled.
- * @var {boolean}
- */
- PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream;
- /**
- * Disable pre-fetching of PDF file data. When range requests are enabled
- * PDF.js will automatically keep fetching more data even if it isn't needed
- * to display the current page. This default behavior can be disabled.
- *
- * NOTE: It is also necessary to disable streaming, see above,
- * in order for disabling of pre-fetching to work correctly.
- * @var {boolean}
- */
- PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch;
- /**
- * Enables special hooks for debugging PDF.js.
- * @var {boolean}
- */
- PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug;
- /**
- * Enables transfer usage in postMessage for ArrayBuffers.
- * @var {boolean}
- */
- PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers;
- /**
- * Disables URL.createObjectURL usage.
- * @var {boolean}
- */
- PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL;
- /**
- * Disables WebGL usage.
- * @var {boolean}
- */
- PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL;
- /**
- * Specifies the |target| attribute for external links.
- * The constants from PDFJS.LinkTarget should be used:
- * - NONE [default]
- * - SELF
- * - BLANK
- * - PARENT
- * - TOP
- * @var {number}
- */
- PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget;
- /**
- * Specifies the |rel| attribute for external links. Defaults to stripping
- * the referrer.
- * @var {string}
- */
- PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? 'noreferrer' : PDFJS.externalLinkRel;
- /**
- * Determines if we can eval strings as JS. Primarily used to improve
- * performance for font rendering.
- * @var {boolean}
- */
- PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported;
- PDFJS.getDocument = displayAPI.getDocument;
- PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
- PDFJS.PDFWorker = displayAPI.PDFWorker;
- Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
- configurable: true,
- get: function PDFJS_hasCanvasTypedArrays() {
- var value = displayDOMUtils.hasCanvasTypedArrays();
- return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
- }
- });
- PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
- PDFJS.LinkTarget = LinkTarget;
- PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
- PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
- PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
- PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer;
- PDFJS.renderTextLayer = displayTextLayer.renderTextLayer;
- PDFJS.Metadata = displayMetadata.Metadata;
- PDFJS.SVGGraphics = displaySVG.SVGGraphics;
- PDFJS.UnsupportedManager = displayAPI._UnsupportedManager;
- exports.globalScope = globalScope;
- exports.isWorker = isWorker;
- exports.PDFJS = globalScope.PDFJS;
- }));
- }.call(pdfjsLibs));
- exports.PDFJS = pdfjsLibs.pdfjsDisplayGlobal.PDFJS;
- exports.build = pdfjsLibs.pdfjsDisplayAPI.build;
- exports.version = pdfjsLibs.pdfjsDisplayAPI.version;
- exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument;
- exports.PDFDataRangeTransport = pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport;
- exports.PDFWorker = pdfjsLibs.pdfjsDisplayAPI.PDFWorker;
- exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer;
- exports.AnnotationLayer = pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer;
- exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle;
- exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses;
- exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException;
- exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException;
- exports.SVGGraphics = pdfjsLibs.pdfjsDisplaySVG.SVGGraphics;
- exports.UnexpectedResponseException = pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException;
- exports.OPS = pdfjsLibs.pdfjsSharedUtil.OPS;
- exports.UNSUPPORTED_FEATURES = pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES;
- exports.isValidUrl = pdfjsLibs.pdfjsDisplayDOMUtils.isValidUrl;
- exports.createValidAbsoluteUrl = pdfjsLibs.pdfjsSharedUtil.createValidAbsoluteUrl;
- exports.createObjectURL = pdfjsLibs.pdfjsSharedUtil.createObjectURL;
- exports.removeNullCharacters = pdfjsLibs.pdfjsSharedUtil.removeNullCharacters;
- exports.shadow = pdfjsLibs.pdfjsSharedUtil.shadow;
- exports.createBlob = pdfjsLibs.pdfjsSharedUtil.createBlob;
- exports.getFilenameFromUrl = pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl;
- exports.addLinkAttributes = pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes;
-})); \ No newline at end of file
diff --git a/browser/extensions/pdfjs/content/build/pdf.worker.js b/browser/extensions/pdfjs/content/build/pdf.worker.js
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 = [
- '',
- '',
- '',
- '',
- '',
- '',
- '',
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- 'oacute',
- 'ocircumflex',
- 'otilde',
- 'odieresis',
- 'divide',
- 'oslash',
- 'ugrave',
- 'uacute',
- 'ucircumflex',
- 'udieresis',
- 'yacute',
- 'thorn',
- 'ydieresis'
- ];
- var SymbolSetEncoding = [
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- 'space',
- 'exclam',
- 'universal',
- 'numbersign',
- 'existential',
- 'percent',
- 'ampersand',
- 'suchthat',
- 'parenleft',
- 'parenright',
- 'asteriskmath',
- 'plus',
- 'comma',
- 'minus',
- 'period',
- 'slash',
- 'zero',
- 'one',
- 'two',
- 'three',
- 'four',
- 'five',
- 'six',
- 'seven',
- 'eight',
- 'nine',
- 'colon',
- 'semicolon',
- 'less',
- 'equal',
- 'greater',
- 'question',
- 'congruent',
- 'Alpha',
- 'Beta',
- 'Chi',
- 'Delta',
- 'Epsilon',
- 'Phi',
- 'Gamma',
- 'Eta',
- 'Iota',
- 'theta1',
- 'Kappa',
- 'Lambda',
- 'Mu',
- 'Nu',
- 'Omicron',
- 'Pi',
- 'Theta',
- 'Rho',
- 'Sigma',
- 'Tau',
- 'Upsilon',
- 'sigma1',
- 'Omega',
- 'Xi',
- 'Psi',
- 'Zeta',
- 'bracketleft',
- 'therefore',
- 'bracketright',
- 'perpendicular',
- 'underscore',
- 'radicalex',
- 'alpha',
- 'beta',
- 'chi',
- 'delta',
- 'epsilon',
- 'phi',
- 'gamma',
- 'eta',
- 'iota',
- 'phi1',
- 'kappa',
- 'lambda',
- 'mu',
- 'nu',
- 'omicron',
- 'pi',
- 'theta',
- 'rho',
- 'sigma',
- 'tau',
- 'upsilon',
- 'omega1',
- 'omega',
- 'xi',
- 'psi',
- 'zeta',
- 'braceleft',
- 'bar',
- 'braceright',
- 'similar',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- 'Euro',
- 'Upsilon1',
- 'minute',
- 'lessequal',
- 'fraction',
- 'infinity',
- 'florin',
- 'club',
- 'diamond',
- 'heart',
- 'spade',
- 'arrowboth',
- 'arrowleft',
- 'arrowup',
- 'arrowright',
- 'arrowdown',
- 'degree',
- 'plusminus',
- 'second',
- 'greaterequal',
- 'multiply',
- 'proportional',
- 'partialdiff',
- 'bullet',
- 'divide',
- 'notequal',
- 'equivalence',
- 'approxequal',
- 'ellipsis',
- 'arrowvertex',
- 'arrowhorizex',
- 'carriagereturn',
- 'aleph',
- 'Ifraktur',
- 'Rfraktur',
- 'weierstrass',
- 'circlemultiply',
- 'circleplus',
- 'emptyset',
- 'intersection',
- 'union',
- 'propersuperset',
- 'reflexsuperset',
- 'notsubset',
- 'propersubset',
- 'reflexsubset',
- 'element',
- 'notelement',
- 'angle',
- 'gradient',
- 'registerserif',
- 'copyrightserif',
- 'trademarkserif',
- 'product',
- 'radical',
- 'dotmath',
- 'logicalnot',
- 'logicaland',
- 'logicalor',
- 'arrowdblboth',
- 'arrowdblleft',
- 'arrowdblup',
- 'arrowdblright',
- 'arrowdbldown',
- 'lozenge',
- 'angleleft',
- 'registersans',
- 'copyrightsans',
- 'trademarksans',
- 'summation',
- 'parenlefttp',
- 'parenleftex',
- 'parenleftbt',
- 'bracketlefttp',
- 'bracketleftex',
- 'bracketleftbt',
- 'bracelefttp',
- 'braceleftmid',
- 'braceleftbt',
- 'braceex',
- '',
- 'angleright',
- 'integral',
- 'integraltp',
- 'integralex',
- 'integralbt',
- 'parenrighttp',
- 'parenrightex',
- 'parenrightbt',
- 'bracketrighttp',
- 'bracketrightex',
- 'bracketrightbt',
- 'bracerighttp',
- 'bracerightmid',
- 'bracerightbt'
- ];
- var ZapfDingbatsEncoding = [
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- 'space',
- 'a1',
- 'a2',
- 'a202',
- 'a3',
- 'a4',
- 'a5',
- 'a119',
- 'a118',
- 'a117',
- 'a11',
- 'a12',
- 'a13',
- 'a14',
- 'a15',
- 'a16',
- 'a105',
- 'a17',
- 'a18',
- 'a19',
- 'a20',
- 'a21',
- 'a22',
- 'a23',
- 'a24',
- 'a25',
- 'a26',
- 'a27',
- 'a28',
- 'a6',
- 'a7',
- 'a8',
- 'a9',
- 'a10',
- 'a29',
- 'a30',
- 'a31',
- 'a32',
- 'a33',
- 'a34',
- 'a35',
- 'a36',
- 'a37',
- 'a38',
- 'a39',
- 'a40',
- 'a41',
- 'a42',
- 'a43',
- 'a44',
- 'a45',
- 'a46',
- 'a47',
- 'a48',
- 'a49',
- 'a50',
- 'a51',
- 'a52',
- 'a53',
- 'a54',
- 'a55',
- 'a56',
- 'a57',
- 'a58',
- 'a59',
- 'a60',
- 'a61',
- 'a62',
- 'a63',
- 'a64',
- 'a65',
- 'a66',
- 'a67',
- 'a68',
- 'a69',
- 'a70',
- 'a71',
- 'a72',
- 'a73',
- 'a74',
- 'a203',
- 'a75',
- 'a204',
- 'a76',
- 'a77',
- 'a78',
- 'a79',
- 'a81',
- 'a82',
- 'a83',
- 'a84',
- 'a97',
- 'a98',
- 'a99',
- 'a100',
- '',
- 'a89',
- 'a90',
- 'a93',
- 'a94',
- 'a91',
- 'a92',
- 'a205',
- 'a85',
- 'a206',
- 'a86',
- 'a87',
- 'a88',
- 'a95',
- 'a96',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- '',
- 'a101',
- 'a102',
- 'a103',
- 'a104',
- 'a106',
- 'a107',
- 'a108',
- 'a112',
- 'a111',
- 'a110',
- 'a109',
- 'a120',
- 'a121',
- 'a122',
- 'a123',
- 'a124',
- 'a125',
- 'a126',
- 'a127',
- 'a128',
- 'a129',
- 'a130',
- 'a131',
- 'a132',
- 'a133',
- 'a134',
- 'a135',
- 'a136',
- 'a137',
- 'a138',
- 'a139',
- 'a140',
- 'a141',
- 'a142',
- 'a143',
- 'a144',
- 'a145',
- 'a146',
- 'a147',
- 'a148',
- 'a149',
- 'a150',
- 'a151',
- 'a152',
- 'a153',
- 'a154',
- 'a155',
- 'a156',
- 'a157',
- 'a158',
- 'a159',
- 'a160',
- 'a161',
- 'a163',
- 'a164',
- 'a196',
- 'a165',
- 'a192',
- 'a166',
- 'a167',
- 'a168',
- 'a169',
- 'a170',
- 'a171',
- 'a172',
- 'a173',
- 'a162',
- 'a174',
- 'a175',
- 'a176',
- 'a177',
- 'a178',
- 'a179',
- 'a193',
- 'a180',
- 'a199',
- 'a181',
- 'a200',
- 'a182',
- '',
- 'a201',
- 'a183',
- 'a184',
- 'a197',
- 'a185',
- 'a194',
- 'a198',
- 'a186',
- 'a195',
- 'a187',
- 'a188',
- 'a189',
- 'a190',
- 'a191'
- ];
- function getEncoding(encodingName) {
- switch (encodingName) {
- case 'WinAnsiEncoding':
- return WinAnsiEncoding;
- case 'StandardEncoding':
- return StandardEncoding;
- case 'MacRomanEncoding':
- return MacRomanEncoding;
- case 'SymbolSetEncoding':
- return SymbolSetEncoding;
- case 'ZapfDingbatsEncoding':
- return ZapfDingbatsEncoding;
- case 'ExpertEncoding':
- return ExpertEncoding;
- case 'MacExpertEncoding':
- return MacExpertEncoding;
- default:
- return null;
- }
- }
- exports.WinAnsiEncoding = WinAnsiEncoding;
- exports.StandardEncoding = StandardEncoding;
- exports.MacRomanEncoding = MacRomanEncoding;
- exports.SymbolSetEncoding = SymbolSetEncoding;
- exports.ZapfDingbatsEncoding = ZapfDingbatsEncoding;
- exports.ExpertEncoding = ExpertEncoding;
- exports.getEncoding = getEncoding;
- }));
- (function (root, factory) {
- factory(root.pdfjsSharedUtil = {});
- }(this, function (exports) {
- var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this;
- var FONT_IDENTITY_MATRIX = [
- 0.001,
- 0,
- 0,
- 0.001,
- 0,
- 0
- ];
- var TextRenderingMode = {
- FILL: 0,
- STROKE: 1,
- FILL_STROKE: 2,
- INVISIBLE: 3,
- FILL_ADD_TO_PATH: 4,
- STROKE_ADD_TO_PATH: 5,
- FILL_STROKE_ADD_TO_PATH: 6,
- ADD_TO_PATH: 7,
- FILL_STROKE_MASK: 3,
- ADD_TO_PATH_FLAG: 4
- };
- var ImageKind = {
- GRAYSCALE_1BPP: 1,
- RGB_24BPP: 2,
- RGBA_32BPP: 3
- };
- var AnnotationType = {
- TEXT: 1,
- LINK: 2,
- FREETEXT: 3,
- LINE: 4,
- SQUARE: 5,
- CIRCLE: 6,
- POLYGON: 7,
- POLYLINE: 8,
- HIGHLIGHT: 9,
- UNDERLINE: 10,
- SQUIGGLY: 11,
- STRIKEOUT: 12,
- STAMP: 13,
- CARET: 14,
- INK: 15,
- POPUP: 16,
- FILEATTACHMENT: 17,
- SOUND: 18,
- MOVIE: 19,
- WIDGET: 20,
- SCREEN: 21,
- PRINTERMARK: 22,
- TRAPNET: 23,
- WATERMARK: 24,
- THREED: 25,
- REDACT: 26
- };
- var AnnotationFlag = {
- INVISIBLE: 0x01,
- HIDDEN: 0x02,
- PRINT: 0x04,
- NOZOOM: 0x08,
- NOROTATE: 0x10,
- NOVIEW: 0x20,
- READONLY: 0x40,
- LOCKED: 0x80,
- TOGGLENOVIEW: 0x100,
- LOCKEDCONTENTS: 0x200
- };
- var AnnotationFieldFlag = {
- READONLY: 0x0000001,
- REQUIRED: 0x0000002,
- NOEXPORT: 0x0000004,
- MULTILINE: 0x0001000,
- PASSWORD: 0x0002000,
- NOTOGGLETOOFF: 0x0004000,
- RADIO: 0x0008000,
- PUSHBUTTON: 0x0010000,
- COMBO: 0x0020000,
- EDIT: 0x0040000,
- SORT: 0x0080000,
- FILESELECT: 0x0100000,
- MULTISELECT: 0x0200000,
- DONOTSPELLCHECK: 0x0400000,
- DONOTSCROLL: 0x0800000,
- COMB: 0x1000000,
- RICHTEXT: 0x2000000,
- RADIOSINUNISON: 0x2000000,
- COMMITONSELCHANGE: 0x4000000
- };
- var AnnotationBorderStyleType = {
- SOLID: 1,
- DASHED: 2,
- BEVELED: 3,
- INSET: 4,
- UNDERLINE: 5
- };
- var StreamType = {
- UNKNOWN: 0,
- FLATE: 1,
- LZW: 2,
- DCT: 3,
- JPX: 4,
- JBIG: 5,
- A85: 6,
- AHX: 7,
- CCF: 8,
- RL: 9
- };
- var FontType = {
- UNKNOWN: 0,
- TYPE1: 1,
- TYPE1C: 2,
- CIDFONTTYPE0: 3,
- CIDFONTTYPE0C: 4,
- TRUETYPE: 5,
- CIDFONTTYPE2: 6,
- TYPE3: 7,
- OPENTYPE: 8,
- TYPE0: 9,
- MMTYPE1: 10
- };
- var VERBOSITY_LEVELS = {
- errors: 0,
- warnings: 1,
- infos: 5
- };
- // All the possible operations for an operator list.
- var OPS = {
- // Intentionally start from 1 so it is easy to spot bad operators that will be
- // 0's.
- dependency: 1,
- setLineWidth: 2,
- setLineCap: 3,
- setLineJoin: 4,
- setMiterLimit: 5,
- setDash: 6,
- setRenderingIntent: 7,
- setFlatness: 8,
- setGState: 9,
- save: 10,
- restore: 11,
- transform: 12,
- moveTo: 13,
- lineTo: 14,
- curveTo: 15,
- curveTo2: 16,
- curveTo3: 17,
- closePath: 18,
- rectangle: 19,
- stroke: 20,
- closeStroke: 21,
- fill: 22,
- eoFill: 23,
- fillStroke: 24,
- eoFillStroke: 25,
- closeFillStroke: 26,
- closeEOFillStroke: 27,
- endPath: 28,
- clip: 29,
- eoClip: 30,
- beginText: 31,
- endText: 32,
- setCharSpacing: 33,
- setWordSpacing: 34,
- setHScale: 35,
- setLeading: 36,
- setFont: 37,
- setTextRenderingMode: 38,
- setTextRise: 39,
- moveText: 40,
- setLeadingMoveText: 41,
- setTextMatrix: 42,
- nextLine: 43,
- showText: 44,
- showSpacedText: 45,
- nextLineShowText: 46,
- nextLineSetSpacingShowText: 47,
- setCharWidth: 48,
- setCharWidthAndBounds: 49,
- setStrokeColorSpace: 50,
- setFillColorSpace: 51,
- setStrokeColor: 52,
- setStrokeColorN: 53,
- setFillColor: 54,
- setFillColorN: 55,
- setStrokeGray: 56,
- setFillGray: 57,
- setStrokeRGBColor: 58,
- setFillRGBColor: 59,
- setStrokeCMYKColor: 60,
- setFillCMYKColor: 61,
- shadingFill: 62,
- beginInlineImage: 63,
- beginImageData: 64,
- endInlineImage: 65,
- paintXObject: 66,
- markPoint: 67,
- markPointProps: 68,
- beginMarkedContent: 69,
- beginMarkedContentProps: 70,
- endMarkedContent: 71,
- beginCompat: 72,
- endCompat: 73,
- paintFormXObjectBegin: 74,
- paintFormXObjectEnd: 75,
- beginGroup: 76,
- endGroup: 77,
- beginAnnotations: 78,
- endAnnotations: 79,
- beginAnnotation: 80,
- endAnnotation: 81,
- paintJpegXObject: 82,
- paintImageMaskXObject: 83,
- paintImageMaskXObjectGroup: 84,
- paintImageXObject: 85,
- paintInlineImageXObject: 86,
- paintInlineImageXObjectGroup: 87,
- paintImageXObjectRepeat: 88,
- paintImageMaskXObjectRepeat: 89,
- paintSolidColorImageMask: 90,
- constructPath: 91
- };
- var verbosity = VERBOSITY_LEVELS.warnings;
- function setVerbosityLevel(level) {
- verbosity = level;
- }
- function getVerbosityLevel() {
- return verbosity;
- }
- // A notice for devs. These are good for things that are helpful to devs, such
- // as warning that Workers were disabled, which is important to devs but not
- // end users.
- function info(msg) {
- if (verbosity >= VERBOSITY_LEVELS.infos) {
- console.log('Info: ' + msg);
- }
- }
- // Non-fatal warnings.
- function warn(msg) {
- if (verbosity >= VERBOSITY_LEVELS.warnings) {
- console.log('Warning: ' + msg);
- }
- }
- // Deprecated API function -- display regardless of the PDFJS.verbosity setting.
- function deprecated(details) {
- console.log('Deprecated API usage: ' + details);
- }
- // Fatal errors that should trigger the fallback UI and halt execution by
- // throwing an exception.
- function error(msg) {
- if (verbosity >= VERBOSITY_LEVELS.errors) {
- console.log('Error: ' + msg);
- console.log(backtrace());
- }
- throw new Error(msg);
- }
- function backtrace() {
- try {
- throw new Error();
- } catch (e) {
- return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
- }
- }
- function assert(cond, msg) {
- if (!cond) {
- error(msg);
- }
- }
- var UNSUPPORTED_FEATURES = {
- unknown: 'unknown',
- forms: 'forms',
- javaScript: 'javaScript',
- smask: 'smask',
- shadingPattern: 'shadingPattern',
- font: 'font'
- };
- // Checks if URLs have the same origin. For non-HTTP based URLs, returns false.
- function isSameOrigin(baseUrl, otherUrl) {
- try {
- var base = new URL(baseUrl);
- if (!base.origin || base.origin === 'null') {
- return false;
- }
- } // non-HTTP url
- catch (e) {
- return false;
- }
- var other = new URL(otherUrl, base);
- return base.origin === other.origin;
- }
- // Checks if URLs use one of the whitelisted protocols, e.g. to avoid XSS.
- function isValidProtocol(url) {
- if (!url) {
- return false;
- }
- switch (url.protocol) {
- case 'http:':
- case 'https:':
- case 'ftp:':
- case 'mailto:':
- case 'tel:':
- return true;
- default:
- return false;
- }
- }
- /**
- * Attempts to create a valid absolute URL (utilizing `isValidProtocol`).
- * @param {URL|string} url - An absolute, or relative, URL.
- * @param {URL|string} baseUrl - An absolute URL.
- * @returns Either a valid {URL}, or `null` otherwise.
- */
- function createValidAbsoluteUrl(url, baseUrl) {
- if (!url) {
- return null;
- }
- try {
- var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
- if (isValidProtocol(absoluteUrl)) {
- return absoluteUrl;
- }
- } catch (ex) {
- }
- return null;
- }
- function shadow(obj, prop, value) {
- Object.defineProperty(obj, prop, {
- value: value,
- enumerable: true,
- configurable: true,
- writable: false
- });
- return value;
- }
- function getLookupTableFactory(initializer) {
- var lookup;
- return function () {
- if (initializer) {
- lookup = Object.create(null);
- initializer(lookup);
- initializer = null;
- }
- return lookup;
- };
- }
- var PasswordResponses = {
- NEED_PASSWORD: 1,
- INCORRECT_PASSWORD: 2
- };
- var PasswordException = function PasswordExceptionClosure() {
- function PasswordException(msg, code) {
- this.name = 'PasswordException';
- this.message = msg;
- this.code = code;
- }
- PasswordException.prototype = new Error();
- PasswordException.constructor = PasswordException;
- return PasswordException;
- }();
- var UnknownErrorException = function UnknownErrorExceptionClosure() {
- function UnknownErrorException(msg, details) {
- this.name = 'UnknownErrorException';
- this.message = msg;
- this.details = details;
- }
- UnknownErrorException.prototype = new Error();
- UnknownErrorException.constructor = UnknownErrorException;
- return UnknownErrorException;
- }();
- var InvalidPDFException = function InvalidPDFExceptionClosure() {
- function InvalidPDFException(msg) {
- this.name = 'InvalidPDFException';
- this.message = msg;
- }
- InvalidPDFException.prototype = new Error();
- InvalidPDFException.constructor = InvalidPDFException;
- return InvalidPDFException;
- }();
- var MissingPDFException = function MissingPDFExceptionClosure() {
- function MissingPDFException(msg) {
- this.name = 'MissingPDFException';
- this.message = msg;
- }
- MissingPDFException.prototype = new Error();
- MissingPDFException.constructor = MissingPDFException;
- return MissingPDFException;
- }();
- var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
- function UnexpectedResponseException(msg, status) {
- this.name = 'UnexpectedResponseException';
- this.message = msg;
- this.status = status;
- }
- UnexpectedResponseException.prototype = new Error();
- UnexpectedResponseException.constructor = UnexpectedResponseException;
- return UnexpectedResponseException;
- }();
- var NotImplementedException = function NotImplementedExceptionClosure() {
- function NotImplementedException(msg) {
- this.message = msg;
- }
- NotImplementedException.prototype = new Error();
- NotImplementedException.prototype.name = 'NotImplementedException';
- NotImplementedException.constructor = NotImplementedException;
- return NotImplementedException;
- }();
- var MissingDataException = function MissingDataExceptionClosure() {
- function MissingDataException(begin, end) {
- this.begin = begin;
- this.end = end;
- this.message = 'Missing data [' + begin + ', ' + end + ')';
- }
- MissingDataException.prototype = new Error();
- MissingDataException.prototype.name = 'MissingDataException';
- MissingDataException.constructor = MissingDataException;
- return MissingDataException;
- }();
- var XRefParseException = function XRefParseExceptionClosure() {
- function XRefParseException(msg) {
- this.message = msg;
- }
- XRefParseException.prototype = new Error();
- XRefParseException.prototype.name = 'XRefParseException';
- XRefParseException.constructor = XRefParseException;
- return XRefParseException;
- }();
- var NullCharactersRegExp = /\x00/g;
- function removeNullCharacters(str) {
- if (typeof str !== 'string') {
- warn('The argument for removeNullCharacters must be a string.');
- return str;
- }
- return str.replace(NullCharactersRegExp, '');
- }
- function bytesToString(bytes) {
- assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
- var length = bytes.length;
- var MAX_ARGUMENT_COUNT = 8192;
- if (length < MAX_ARGUMENT_COUNT) {
- return String.fromCharCode.apply(null, bytes);
- }
- var strBuf = [];
- for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
- var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
- var chunk = bytes.subarray(i, chunkEnd);
- strBuf.push(String.fromCharCode.apply(null, chunk));
- }
- return strBuf.join('');
- }
- function stringToBytes(str) {
- assert(typeof str === 'string', 'Invalid argument for stringToBytes');
- var length = str.length;
- var bytes = new Uint8Array(length);
- for (var i = 0; i < length; ++i) {
- bytes[i] = str.charCodeAt(i) & 0xFF;
- }
- return bytes;
- }
- /**
- * Gets length of the array (Array, Uint8Array, or string) in bytes.
- * @param {Array|Uint8Array|string} arr
- * @returns {number}
- */
- function arrayByteLength(arr) {
- if (arr.length !== undefined) {
- return arr.length;
- }
- assert(arr.byteLength !== undefined);
- return arr.byteLength;
- }
- /**
- * Combines array items (arrays) into single Uint8Array object.
- * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string).
- * @returns {Uint8Array}
- */
- function arraysToBytes(arr) {
- // Shortcut: if first and only item is Uint8Array, return it.
- if (arr.length === 1 && arr[0] instanceof Uint8Array) {
- return arr[0];
- }
- var resultLength = 0;
- var i, ii = arr.length;
- var item, itemLength;
- for (i = 0; i < ii; i++) {
- item = arr[i];
- itemLength = arrayByteLength(item);
- resultLength += itemLength;
- }
- var pos = 0;
- var data = new Uint8Array(resultLength);
- for (i = 0; i < ii; i++) {
- item = arr[i];
- if (!(item instanceof Uint8Array)) {
- if (typeof item === 'string') {
- item = stringToBytes(item);
- } else {
- item = new Uint8Array(item);
- }
- }
- itemLength = item.byteLength;
- data.set(item, pos);
- pos += itemLength;
- }
- return data;
- }
- function string32(value) {
- return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
- }
- function log2(x) {
- var n = 1, i = 0;
- while (x > n) {
- n <<= 1;
- i++;
- }
- return i;
- }
- function readInt8(data, start) {
- return data[start] << 24 >> 24;
- }
- function readUint16(data, offset) {
- return data[offset] << 8 | data[offset + 1];
- }
- function readUint32(data, offset) {
- return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
- }
- // Lazy test the endianness of the platform
- // NOTE: This will be 'true' for simulated TypedArrays
- function isLittleEndian() {
- var buffer8 = new Uint8Array(2);
- buffer8[0] = 1;
- var buffer16 = new Uint16Array(buffer8.buffer);
- return buffer16[0] === 1;
- }
- // Checks if it's possible to eval JS expressions.
- function isEvalSupported() {
- try {
- new Function('');
- return true;
- } catch (e) {
- return false;
- }
- }
- var IDENTITY_MATRIX = [
- 1,
- 0,
- 0,
- 1,
- 0,
- 0
- ];
- var Util = function UtilClosure() {
- function Util() {
- }
- var rgbBuf = [
- 'rgb(',
- 0,
- ',',
- 0,
- ',',
- 0,
- ')'
- ];
- // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids
- // creating many intermediate strings.
- Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
- rgbBuf[1] = r;
- rgbBuf[3] = g;
- rgbBuf[5] = b;
- return rgbBuf.join('');
- };
- // Concatenates two transformation matrices together and returns the result.
- Util.transform = function Util_transform(m1, m2) {
- return [
- m1[0] * m2[0] + m1[2] * m2[1],
- m1[1] * m2[0] + m1[3] * m2[1],
- m1[0] * m2[2] + m1[2] * m2[3],
- m1[1] * m2[2] + m1[3] * m2[3],
- m1[0] * m2[4] + m1[2] * m2[5] + m1[4],
- m1[1] * m2[4] + m1[3] * m2[5] + m1[5]
- ];
- };
- // For 2d affine transforms
- Util.applyTransform = function Util_applyTransform(p, m) {
- var xt = p[0] * m[0] + p[1] * m[2] + m[4];
- var yt = p[0] * m[1] + p[1] * m[3] + m[5];
- return [
- xt,
- yt
- ];
- };
- Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
- var d = m[0] * m[3] - m[1] * m[2];
- var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
- var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
- return [
- xt,
- yt
- ];
- };
- // Applies the transform to the rectangle and finds the minimum axially
- // aligned bounding box.
- Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
- var p1 = Util.applyTransform(r, m);
- var p2 = Util.applyTransform(r.slice(2, 4), m);
- var p3 = Util.applyTransform([
- r[0],
- r[3]
- ], m);
- var p4 = Util.applyTransform([
- r[2],
- r[1]
- ], m);
- return [
- Math.min(p1[0], p2[0], p3[0], p4[0]),
- Math.min(p1[1], p2[1], p3[1], p4[1]),
- Math.max(p1[0], p2[0], p3[0], p4[0]),
- Math.max(p1[1], p2[1], p3[1], p4[1])
- ];
- };
- Util.inverseTransform = function Util_inverseTransform(m) {
- var d = m[0] * m[3] - m[1] * m[2];
- return [
- m[3] / d,
- -m[1] / d,
- -m[2] / d,
- m[0] / d,
- (m[2] * m[5] - m[4] * m[3]) / d,
- (m[4] * m[1] - m[5] * m[0]) / d
- ];
- };
- // Apply a generic 3d matrix M on a 3-vector v:
- // | a b c | | X |
- // | d e f | x | Y |
- // | g h i | | Z |
- // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],
- // with v as [X,Y,Z]
- Util.apply3dTransform = function Util_apply3dTransform(m, v) {
- return [
- m[0] * v[0] + m[1] * v[1] + m[2] * v[2],
- m[3] * v[0] + m[4] * v[1] + m[5] * v[2],
- m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
- ];
- };
- // This calculation uses Singular Value Decomposition.
- // The SVD can be represented with formula A = USV. We are interested in the
- // matrix S here because it represents the scale values.
- Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
- var transpose = [
- m[0],
- m[2],
- m[1],
- m[3]
- ];
- // Multiply matrix m with its transpose.
- var a = m[0] * transpose[0] + m[1] * transpose[2];
- var b = m[0] * transpose[1] + m[1] * transpose[3];
- var c = m[2] * transpose[0] + m[3] * transpose[2];
- var d = m[2] * transpose[1] + m[3] * transpose[3];
- // Solve the second degree polynomial to get roots.
- var first = (a + d) / 2;
- var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
- var sx = first + second || 1;
- var sy = first - second || 1;
- // Scale values are the square roots of the eigenvalues.
- return [
- Math.sqrt(sx),
- Math.sqrt(sy)
- ];
- };
- // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)
- // For coordinate systems whose origin lies in the bottom-left, this
- // means normalization to (BL,TR) ordering. For systems with origin in the
- // top-left, this means (TL,BR) ordering.
- Util.normalizeRect = function Util_normalizeRect(rect) {
- var r = rect.slice(0);
- // clone rect
- if (rect[0] > rect[2]) {
- r[0] = rect[2];
- r[2] = rect[0];
- }
- if (rect[1] > rect[3]) {
- r[1] = rect[3];
- r[3] = rect[1];
- }
- return r;
- };
- // Returns a rectangle [x1, y1, x2, y2] corresponding to the
- // intersection of rect1 and rect2. If no intersection, returns 'false'
- // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]
- Util.intersect = function Util_intersect(rect1, rect2) {
- function compare(a, b) {
- return a - b;
- }
- // Order points along the axes
- var orderedX = [
- rect1[0],
- rect1[2],
- rect2[0],
- rect2[2]
- ].sort(compare), orderedY = [
- rect1[1],
- rect1[3],
- rect2[1],
- rect2[3]
- ].sort(compare), result = [];
- rect1 = Util.normalizeRect(rect1);
- rect2 = Util.normalizeRect(rect2);
- // X: first and second points belong to different rectangles?
- if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
- // Intersection must be between second and third points
- result[0] = orderedX[1];
- result[2] = orderedX[2];
- } else {
- return false;
- }
- // Y: first and second points belong to different rectangles?
- if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
- // Intersection must be between second and third points
- result[1] = orderedY[1];
- result[3] = orderedY[2];
- } else {
- return false;
- }
- return result;
- };
- Util.sign = function Util_sign(num) {
- return num < 0 ? -1 : 1;
- };
- var ROMAN_NUMBER_MAP = [
- '',
- 'C',
- 'CC',
- 'CCC',
- 'CD',
- 'D',
- 'DC',
- 'DCC',
- 'DCCC',
- 'CM',
- '',
- 'X',
- 'XX',
- 'XXX',
- 'XL',
- 'L',
- 'LX',
- 'LXX',
- 'LXXX',
- 'XC',
- '',
- 'I',
- 'II',
- 'III',
- 'IV',
- 'V',
- 'VI',
- 'VII',
- 'VIII',
- 'IX'
- ];
- /**
- * Converts positive integers to (upper case) Roman numerals.
- * @param {integer} number - The number that should be converted.
- * @param {boolean} lowerCase - Indicates if the result should be converted
- * to lower case letters. The default is false.
- * @return {string} The resulting Roman number.
- */
- Util.toRoman = function Util_toRoman(number, lowerCase) {
- assert(isInt(number) && number > 0, 'The number should be a positive integer.');
- var pos, romanBuf = [];
- // Thousands
- while (number >= 1000) {
- number -= 1000;
- romanBuf.push('M');
- }
- // Hundreds
- pos = number / 100 | 0;
- number %= 100;
- romanBuf.push(ROMAN_NUMBER_MAP[pos]);
- // Tens
- pos = number / 10 | 0;
- number %= 10;
- romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
- // Ones
- romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
- var romanStr = romanBuf.join('');
- return lowerCase ? romanStr.toLowerCase() : romanStr;
- };
- Util.appendToArray = function Util_appendToArray(arr1, arr2) {
- Array.prototype.push.apply(arr1, arr2);
- };
- Util.prependToArray = function Util_prependToArray(arr1, arr2) {
- Array.prototype.unshift.apply(arr1, arr2);
- };
- Util.extendObj = function extendObj(obj1, obj2) {
- for (var key in obj2) {
- obj1[key] = obj2[key];
- }
- };
- Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) {
- while (dict && !dict.has(name)) {
- dict = dict.get('Parent');
- }
- if (!dict) {
- return null;
- }
- return getArray ? dict.getArray(name) : dict.get(name);
- };
- Util.inherit = function Util_inherit(sub, base, prototype) {
- sub.prototype = Object.create(base.prototype);
- sub.prototype.constructor = sub;
- for (var prop in prototype) {
- sub.prototype[prop] = prototype[prop];
- }
- };
- Util.loadScript = function Util_loadScript(src, callback) {
- var script = document.createElement('script');
- var loaded = false;
- script.setAttribute('src', src);
- if (callback) {
- script.onload = function () {
- if (!loaded) {
- callback();
- }
- loaded = true;
- };
- }
- document.getElementsByTagName('head')[0].appendChild(script);
- };
- return Util;
- }();
- /**
- * PDF page viewport created based on scale, rotation and offset.
- * @class
- * @alias PageViewport
- */
- var PageViewport = function PageViewportClosure() {
- /**
- * @constructor
- * @private
- * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates.
- * @param scale {number} scale of the viewport.
- * @param rotation {number} rotations of the viewport in degrees.
- * @param offsetX {number} offset X
- * @param offsetY {number} offset Y
- * @param dontFlip {boolean} if true, axis Y will not be flipped.
- */
- function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
- this.viewBox = viewBox;
- this.scale = scale;
- this.rotation = rotation;
- this.offsetX = offsetX;
- this.offsetY = offsetY;
- // creating transform to convert pdf coordinate system to the normal
- // canvas like coordinates taking in account scale and rotation
- var centerX = (viewBox[2] + viewBox[0]) / 2;
- var centerY = (viewBox[3] + viewBox[1]) / 2;
- var rotateA, rotateB, rotateC, rotateD;
- rotation = rotation % 360;
- rotation = rotation < 0 ? rotation + 360 : rotation;
- switch (rotation) {
- case 180:
- rotateA = -1;
- rotateB = 0;
- rotateC = 0;
- rotateD = 1;
- break;
- case 90:
- rotateA = 0;
- rotateB = 1;
- rotateC = 1;
- rotateD = 0;
- break;
- case 270:
- rotateA = 0;
- rotateB = -1;
- rotateC = -1;
- rotateD = 0;
- break;
- //case 0:
- default:
- rotateA = 1;
- rotateB = 0;
- rotateC = 0;
- rotateD = -1;
- break;
- }
- if (dontFlip) {
- rotateC = -rotateC;
- rotateD = -rotateD;
- }
- var offsetCanvasX, offsetCanvasY;
- var width, height;
- if (rotateA === 0) {
- offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
- offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
- width = Math.abs(viewBox[3] - viewBox[1]) * scale;
- height = Math.abs(viewBox[2] - viewBox[0]) * scale;
- } else {
- offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
- offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
- width = Math.abs(viewBox[2] - viewBox[0]) * scale;
- height = Math.abs(viewBox[3] - viewBox[1]) * scale;
- }
- // creating transform for the following operations:
- // translate(-centerX, -centerY), rotate and flip vertically,
- // scale, and translate(offsetCanvasX, offsetCanvasY)
- this.transform = [
- rotateA * scale,
- rotateB * scale,
- rotateC * scale,
- rotateD * scale,
- offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
- offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
- ];
- this.width = width;
- this.height = height;
- this.fontScale = scale;
- }
- PageViewport.prototype = /** @lends PageViewport.prototype */
- {
- /**
- * Clones viewport with additional properties.
- * @param args {Object} (optional) If specified, may contain the 'scale' or
- * 'rotation' properties to override the corresponding properties in
- * the cloned viewport.
- * @returns {PageViewport} Cloned viewport.
- */
- clone: function PageViewPort_clone(args) {
- args = args || {};
- var scale = 'scale' in args ? args.scale : this.scale;
- var rotation = 'rotation' in args ? args.rotation : this.rotation;
- return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip);
- },
- /**
- * Converts PDF point to the viewport coordinates. For examples, useful for
- * converting PDF location into canvas pixel coordinates.
- * @param x {number} X coordinate.
- * @param y {number} Y coordinate.
- * @returns {Object} Object that contains 'x' and 'y' properties of the
- * point in the viewport coordinate space.
- * @see {@link convertToPdfPoint}
- * @see {@link convertToViewportRectangle}
- */
- convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
- return Util.applyTransform([
- x,
- y
- ], this.transform);
- },
- /**
- * Converts PDF rectangle to the viewport coordinates.
- * @param rect {Array} xMin, yMin, xMax and yMax coordinates.
- * @returns {Array} Contains corresponding coordinates of the rectangle
- * in the viewport coordinate space.
- * @see {@link convertToViewportPoint}
- */
- convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) {
- var tl = Util.applyTransform([
- rect[0],
- rect[1]
- ], this.transform);
- var br = Util.applyTransform([
- rect[2],
- rect[3]
- ], this.transform);
- return [
- tl[0],
- tl[1],
- br[0],
- br[1]
- ];
- },
- /**
- * Converts viewport coordinates to the PDF location. For examples, useful
- * for converting canvas pixel location into PDF one.
- * @param x {number} X coordinate.
- * @param y {number} Y coordinate.
- * @returns {Object} Object that contains 'x' and 'y' properties of the
- * point in the PDF coordinate space.
- * @see {@link convertToViewportPoint}
- */
- convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
- return Util.applyInverseTransform([
- x,
- y
- ], this.transform);
- }
- };
- return PageViewport;
- }();
- var PDFStringTranslateTable = [
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0x2D8,
- 0x2C7,
- 0x2C6,
- 0x2D9,
- 0x2DD,
- 0x2DB,
- 0x2DA,
- 0x2DC,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0x2022,
- 0x2020,
- 0x2021,
- 0x2026,
- 0x2014,
- 0x2013,
- 0x192,
- 0x2044,
- 0x2039,
- 0x203A,
- 0x2212,
- 0x2030,
- 0x201E,
- 0x201C,
- 0x201D,
- 0x2018,
- 0x2019,
- 0x201A,
- 0x2122,
- 0xFB01,
- 0xFB02,
- 0x141,
- 0x152,
- 0x160,
- 0x178,
- 0x17D,
- 0x131,
- 0x142,
- 0x153,
- 0x161,
- 0x17E,
- 0,
- 0x20AC
- ];
- function stringToPDFString(str) {
- var i, n = str.length, strBuf = [];
- if (str[0] === '\xFE' && str[1] === '\xFF') {
- // UTF16BE BOM
- for (i = 2; i < n; i += 2) {
- strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
- }
- } else {
- for (i = 0; i < n; ++i) {
- var code = PDFStringTranslateTable[str.charCodeAt(i)];
- strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
- }
- }
- return strBuf.join('');
- }
- function stringToUTF8String(str) {
- return decodeURIComponent(escape(str));
- }
- function utf8StringToString(str) {
- return unescape(encodeURIComponent(str));
- }
- function isEmptyObj(obj) {
- for (var key in obj) {
- return false;
- }
- return true;
- }
- function isBool(v) {
- return typeof v === 'boolean';
- }
- function isInt(v) {
- return typeof v === 'number' && (v | 0) === v;
- }
- function isNum(v) {
- return typeof v === 'number';
- }
- function isString(v) {
- return typeof v === 'string';
- }
- function isArray(v) {
- return v instanceof Array;
- }
- function isArrayBuffer(v) {
- return typeof v === 'object' && v !== null && v.byteLength !== undefined;
- }
- // Checks if ch is one of the following characters: SPACE, TAB, CR or LF.
- function isSpace(ch) {
- return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
- }
- /**
- * Promise Capability object.
- *
- * @typedef {Object} PromiseCapability
- * @property {Promise} promise - A promise object.
- * @property {function} resolve - Fulfills the promise.
- * @property {function} reject - Rejects the promise.
- */
- /**
- * Creates a promise capability object.
- * @alias createPromiseCapability
- *
- * @return {PromiseCapability} A capability object contains:
- * - a Promise, resolve and reject methods.
- */
- function createPromiseCapability() {
- var capability = {};
- capability.promise = new Promise(function (resolve, reject) {
- capability.resolve = resolve;
- capability.reject = reject;
- });
- return capability;
- }
- /**
- * Polyfill for Promises:
- * The following promise implementation tries to generally implement the
- * Promise/A+ spec. Some notable differences from other promise libraries are:
- * - There currently isn't a separate deferred and promise object.
- * - Unhandled rejections eventually show an error if they aren't handled.
- *
- * Based off of the work in:
- * https://bugzilla.mozilla.org/show_bug.cgi?id=810490
- */
- (function PromiseClosure() {
- if (globalScope.Promise) {
- // Promises existing in the DOM/Worker, checking presence of all/resolve
- if (typeof globalScope.Promise.all !== 'function') {
- globalScope.Promise.all = function (iterable) {
- var count = 0, results = [], resolve, reject;
- var promise = new globalScope.Promise(function (resolve_, reject_) {
- resolve = resolve_;
- reject = reject_;
- });
- iterable.forEach(function (p, i) {
- count++;
- p.then(function (result) {
- results[i] = result;
- count--;
- if (count === 0) {
- resolve(results);
- }
- }, reject);
- });
- if (count === 0) {
- resolve(results);
- }
- return promise;
- };
- }
- if (typeof globalScope.Promise.resolve !== 'function') {
- globalScope.Promise.resolve = function (value) {
- return new globalScope.Promise(function (resolve) {
- resolve(value);
- });
- };
- }
- if (typeof globalScope.Promise.reject !== 'function') {
- globalScope.Promise.reject = function (reason) {
- return new globalScope.Promise(function (resolve, reject) {
- reject(reason);
- });
- };
- }
- if (typeof globalScope.Promise.prototype.catch !== 'function') {
- globalScope.Promise.prototype.catch = function (onReject) {
- return globalScope.Promise.prototype.then(undefined, onReject);
- };
- }
- return;
- }
- throw new Error('DOM Promise is not present');
- }());
- var StatTimer = function StatTimerClosure() {
- function rpad(str, pad, length) {
- while (str.length < length) {
- str += pad;
- }
- return str;
- }
- function StatTimer() {
- this.started = Object.create(null);
- this.times = [];
- this.enabled = true;
- }
- StatTimer.prototype = {
- time: function StatTimer_time(name) {
- if (!this.enabled) {
- return;
- }
- if (name in this.started) {
- warn('Timer is already running for ' + name);
- }
- this.started[name] = Date.now();
- },
- timeEnd: function StatTimer_timeEnd(name) {
- if (!this.enabled) {
- return;
- }
- if (!(name in this.started)) {
- warn('Timer has not been started for ' + name);
- }
- this.times.push({
- 'name': name,
- 'start': this.started[name],
- 'end': Date.now()
- });
- // Remove timer from started so it can be called again.
- delete this.started[name];
- },
- toString: function StatTimer_toString() {
- var i, ii;
- var times = this.times;
- var out = '';
- // Find the longest name for padding purposes.
- var longest = 0;
- for (i = 0, ii = times.length; i < ii; ++i) {
- var name = times[i]['name'];
- if (name.length > longest) {
- longest = name.length;
- }
- }
- for (i = 0, ii = times.length; i < ii; ++i) {
- var span = times[i];
- var duration = span.end - span.start;
- out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
- }
- return out;
- }
- };
- return StatTimer;
- }();
- var createBlob = function createBlob(data, contentType) {
- if (typeof Blob !== 'undefined') {
- return new Blob([data], { type: contentType });
- }
- warn('The "Blob" constructor is not supported.');
- };
- var createObjectURL = function createObjectURLClosure() {
- // Blob/createObjectURL is not available, falling back to data schema.
- var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
- return function createObjectURL(data, contentType, forceDataSchema) {
- if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) {
- var blob = createBlob(data, contentType);
- return URL.createObjectURL(blob);
- }
- var buffer = 'data:' + contentType + ';base64,';
- for (var i = 0, ii = data.length; i < ii; i += 3) {
- var b1 = data[i] & 0xFF;
- var b2 = data[i + 1] & 0xFF;
- var b3 = data[i + 2] & 0xFF;
- var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4;
- var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
- var d4 = i + 2 < ii ? b3 & 0x3F : 64;
- buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
- }
- return buffer;
- };
- }();
- function MessageHandler(sourceName, targetName, comObj) {
- this.sourceName = sourceName;
- this.targetName = targetName;
- this.comObj = comObj;
- this.callbackIndex = 1;
- this.postMessageTransfers = true;
- var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
- var ah = this.actionHandler = Object.create(null);
- this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
- var data = event.data;
- if (data.targetName !== this.sourceName) {
- return;
- }
- if (data.isReply) {
- var callbackId = data.callbackId;
- if (data.callbackId in callbacksCapabilities) {
- var callback = callbacksCapabilities[callbackId];
- delete callbacksCapabilities[callbackId];
- if ('error' in data) {
- callback.reject(data.error);
- } else {
- callback.resolve(data.data);
- }
- } else {
- error('Cannot resolve callback ' + callbackId);
- }
- } else if (data.action in ah) {
- var action = ah[data.action];
- if (data.callbackId) {
- var sourceName = this.sourceName;
- var targetName = data.sourceName;
- Promise.resolve().then(function () {
- return action[0].call(action[1], data.data);
- }).then(function (result) {
- comObj.postMessage({
- sourceName: sourceName,
- targetName: targetName,
- isReply: true,
- callbackId: data.callbackId,
- data: result
- });
- }, function (reason) {
- if (reason instanceof Error) {
- // Serialize error to avoid "DataCloneError"
- reason = reason + '';
- }
- comObj.postMessage({
- sourceName: sourceName,
- targetName: targetName,
- isReply: true,
- callbackId: data.callbackId,
- error: reason
- });
- });
- } else {
- action[0].call(action[1], data.data);
- }
- } else {
- error('Unknown action from worker: ' + data.action);
- }
- }.bind(this);
- comObj.addEventListener('message', this._onComObjOnMessage);
- }
- MessageHandler.prototype = {
- on: function messageHandlerOn(actionName, handler, scope) {
- var ah = this.actionHandler;
- if (ah[actionName]) {
- error('There is already an actionName called "' + actionName + '"');
- }
- ah[actionName] = [
- handler,
- scope
- ];
- },
- /**
- * Sends a message to the comObj to invoke the action with the supplied data.
- * @param {String} actionName Action to call.
- * @param {JSON} data JSON data to send.
- * @param {Array} [transfers] Optional list of transfers/ArrayBuffers
- */
- send: function messageHandlerSend(actionName, data, transfers) {
- var message = {
- sourceName: this.sourceName,
- targetName: this.targetName,
- action: actionName,
- data: data
- };
- this.postMessage(message, transfers);
- },
- /**
- * Sends a message to the comObj to invoke the action with the supplied data.
- * Expects that other side will callback with the response.
- * @param {String} actionName Action to call.
- * @param {JSON} data JSON data to send.
- * @param {Array} [transfers] Optional list of transfers/ArrayBuffers.
- * @returns {Promise} Promise to be resolved with response data.
- */
- sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) {
- var callbackId = this.callbackIndex++;
- var message = {
- sourceName: this.sourceName,
- targetName: this.targetName,
- action: actionName,
- data: data,
- callbackId: callbackId
- };
- var capability = createPromiseCapability();
- this.callbacksCapabilities[callbackId] = capability;
- try {
- this.postMessage(message, transfers);
- } catch (e) {
- capability.reject(e);
- }
- return capability.promise;
- },
- /**
- * Sends raw message to the comObj.
- * @private
- * @param message {Object} Raw message.
- * @param transfers List of transfers/ArrayBuffers, or undefined.
- */
- postMessage: function (message, transfers) {
- if (transfers && this.postMessageTransfers) {
- this.comObj.postMessage(message, transfers);
- } else {
- this.comObj.postMessage(message);
- }
- },
- destroy: function () {
- this.comObj.removeEventListener('message', this._onComObjOnMessage);
- }
- };
- function loadJpegStream(id, imageUrl, objs) {
- var img = new Image();
- img.onload = function loadJpegStream_onloadClosure() {
- objs.resolve(id, img);
- };
- img.onerror = function loadJpegStream_onerrorClosure() {
- objs.resolve(id, null);
- warn('Error during JPEG image loading');
- };
- img.src = imageUrl;
- }
- exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
- exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
- exports.OPS = OPS;
- exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
- exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
- exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
- exports.AnnotationFieldFlag = AnnotationFieldFlag;
- exports.AnnotationFlag = AnnotationFlag;
- exports.AnnotationType = AnnotationType;
- exports.FontType = FontType;
- exports.ImageKind = ImageKind;
- exports.InvalidPDFException = InvalidPDFException;
- exports.MessageHandler = MessageHandler;
- exports.MissingDataException = MissingDataException;
- exports.MissingPDFException = MissingPDFException;
- exports.NotImplementedException = NotImplementedException;
- exports.PageViewport = PageViewport;
- exports.PasswordException = PasswordException;
- exports.PasswordResponses = PasswordResponses;
- exports.StatTimer = StatTimer;
- exports.StreamType = StreamType;
- exports.TextRenderingMode = TextRenderingMode;
- exports.UnexpectedResponseException = UnexpectedResponseException;
- exports.UnknownErrorException = UnknownErrorException;
- exports.Util = Util;
- exports.XRefParseException = XRefParseException;
- exports.arrayByteLength = arrayByteLength;
- exports.arraysToBytes = arraysToBytes;
- exports.assert = assert;
- exports.bytesToString = bytesToString;
- exports.createBlob = createBlob;
- exports.createPromiseCapability = createPromiseCapability;
- exports.createObjectURL = createObjectURL;
- exports.deprecated = deprecated;
- exports.error = error;
- exports.getLookupTableFactory = getLookupTableFactory;
- exports.getVerbosityLevel = getVerbosityLevel;
- exports.globalScope = globalScope;
- exports.info = info;
- exports.isArray = isArray;
- exports.isArrayBuffer = isArrayBuffer;
- exports.isBool = isBool;
- exports.isEmptyObj = isEmptyObj;
- exports.isInt = isInt;
- exports.isNum = isNum;
- exports.isString = isString;
- exports.isSpace = isSpace;
- exports.isSameOrigin = isSameOrigin;
- exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
- exports.isLittleEndian = isLittleEndian;
- exports.isEvalSupported = isEvalSupported;
- exports.loadJpegStream = loadJpegStream;
- exports.log2 = log2;
- exports.readInt8 = readInt8;
- exports.readUint16 = readUint16;
- exports.readUint32 = readUint32;
- exports.removeNullCharacters = removeNullCharacters;
- exports.setVerbosityLevel = setVerbosityLevel;
- exports.shadow = shadow;
- exports.string32 = string32;
- exports.stringToBytes = stringToBytes;
- exports.stringToPDFString = stringToPDFString;
- exports.stringToUTF8String = stringToUTF8String;
- exports.utf8StringToString = utf8StringToString;
- exports.warn = warn;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreCFFParser = {}, root.pdfjsSharedUtil, root.pdfjsCoreCharsets, root.pdfjsCoreEncodings);
- }(this, function (exports, sharedUtil, coreCharsets, coreEncodings) {
- var error = sharedUtil.error;
- var info = sharedUtil.info;
- var bytesToString = sharedUtil.bytesToString;
- var warn = sharedUtil.warn;
- var isArray = sharedUtil.isArray;
- var Util = sharedUtil.Util;
- var stringToBytes = sharedUtil.stringToBytes;
- var assert = sharedUtil.assert;
- var ISOAdobeCharset = coreCharsets.ISOAdobeCharset;
- var ExpertCharset = coreCharsets.ExpertCharset;
- var ExpertSubsetCharset = coreCharsets.ExpertSubsetCharset;
- var StandardEncoding = coreEncodings.StandardEncoding;
- var ExpertEncoding = coreEncodings.ExpertEncoding;
- // Maximum subroutine call depth of type 2 chartrings. Matches OTS.
- var MAX_SUBR_NESTING = 10;
- /**
- * The CFF class takes a Type1 file and wrap it into a
- * 'Compact Font Format' which itself embed Type2 charstrings.
- */
- var CFFStandardStrings = [
- '.notdef',
- 'space',
- 'exclam',
- 'quotedbl',
- 'numbersign',
- 'dollar',
- 'percent',
- 'ampersand',
- 'quoteright',
- 'parenleft',
- 'parenright',
- 'asterisk',
- 'plus',
- 'comma',
- 'hyphen',
- 'period',
- 'slash',
- 'zero',
- 'one',
- 'two',
- 'three',
- 'four',
- 'five',
- 'six',
- 'seven',
- 'eight',
- 'nine',
- 'colon',
- 'semicolon',
- 'less',
- 'equal',
- 'greater',
- 'question',
- 'at',
- 'A',
- 'B',
- 'C',
- 'D',
- 'E',
- 'F',
- 'G',
- 'H',
- 'I',
- 'J',
- 'K',
- 'L',
- 'M',
- 'N',
- 'O',
- 'P',
- 'Q',
- 'R',
- 'S',
- 'T',
- 'U',
- 'V',
- 'W',
- 'X',
- 'Y',
- 'Z',
- 'bracketleft',
- 'backslash',
- 'bracketright',
- 'asciicircum',
- 'underscore',
- 'quoteleft',
- 'a',
- 'b',
- 'c',
- 'd',
- 'e',
- 'f',
- 'g',
- 'h',
- 'i',
- 'j',
- 'k',
- 'l',
- 'm',
- 'n',
- 'o',
- 'p',
- 'q',
- 'r',
- 's',
- 't',
- 'u',
- 'v',
- 'w',
- 'x',
- 'y',
- 'z',
- 'braceleft',
- 'bar',
- 'braceright',
- 'asciitilde',
- 'exclamdown',
- 'cent',
- 'sterling',
- 'fraction',
- 'yen',
- 'florin',
- 'section',
- 'currency',
- 'quotesingle',
- 'quotedblleft',
- 'guillemotleft',
- 'guilsinglleft',
- 'guilsinglright',
- 'fi',
- 'fl',
- 'endash',
- 'dagger',
- 'daggerdbl',
- 'periodcentered',
- 'paragraph',
- 'bullet',
- 'quotesinglbase',
- 'quotedblbase',
- 'quotedblright',
- 'guillemotright',
- 'ellipsis',
- 'perthousand',
- 'questiondown',
- 'grave',
- 'acute',
- 'circumflex',
- 'tilde',
- 'macron',
- 'breve',
- 'dotaccent',
- 'dieresis',
- 'ring',
- 'cedilla',
- 'hungarumlaut',
- 'ogonek',
- 'caron',
- 'emdash',
- 'AE',
- 'ordfeminine',
- 'Lslash',
- 'Oslash',
- 'OE',
- 'ordmasculine',
- 'ae',
- 'dotlessi',
- 'lslash',
- 'oslash',
- 'oe',
- 'germandbls',
- 'onesuperior',
- 'logicalnot',
- 'mu',
- 'trademark',
- 'Eth',
- 'onehalf',
- 'plusminus',
- 'Thorn',
- 'onequarter',
- 'divide',
- 'brokenbar',
- 'degree',
- 'thorn',
- 'threequarters',
- 'twosuperior',
- 'registered',
- 'minus',
- 'eth',
- 'multiply',
- 'threesuperior',
- 'copyright',
- 'Aacute',
- 'Acircumflex',
- 'Adieresis',
- 'Agrave',
- 'Aring',
- 'Atilde',
- 'Ccedilla',
- 'Eacute',
- 'Ecircumflex',
- 'Edieresis',
- 'Egrave',
- 'Iacute',
- 'Icircumflex',
- 'Idieresis',
- 'Igrave',
- 'Ntilde',
- 'Oacute',
- 'Ocircumflex',
- 'Odieresis',
- 'Ograve',
- 'Otilde',
- 'Scaron',
- 'Uacute',
- 'Ucircumflex',
- 'Udieresis',
- 'Ugrave',
- 'Yacute',
- 'Ydieresis',
- 'Zcaron',
- 'aacute',
- 'acircumflex',
- 'adieresis',
- 'agrave',
- 'aring',
- 'atilde',
- 'ccedilla',
- 'eacute',
- 'ecircumflex',
- 'edieresis',
- 'egrave',
- 'iacute',
- 'icircumflex',
- 'idieresis',
- 'igrave',
- 'ntilde',
- 'oacute',
- 'ocircumflex',
- 'odieresis',
- 'ograve',
- 'otilde',
- 'scaron',
- 'uacute',
- 'ucircumflex',
- 'udieresis',
- 'ugrave',
- 'yacute',
- 'ydieresis',
- 'zcaron',
- 'exclamsmall',
- 'Hungarumlautsmall',
- 'dollaroldstyle',
- 'dollarsuperior',
- 'ampersandsmall',
- 'Acutesmall',
- 'parenleftsuperior',
- 'parenrightsuperior',
- 'twodotenleader',
- 'onedotenleader',
- 'zerooldstyle',
- 'oneoldstyle',
- 'twooldstyle',
- 'threeoldstyle',
- 'fouroldstyle',
- 'fiveoldstyle',
- 'sixoldstyle',
- 'sevenoldstyle',
- 'eightoldstyle',
- 'nineoldstyle',
- 'commasuperior',
- 'threequartersemdash',
- 'periodsuperior',
- 'questionsmall',
- 'asuperior',
- 'bsuperior',
- 'centsuperior',
- 'dsuperior',
- 'esuperior',
- 'isuperior',
- 'lsuperior',
- 'msuperior',
- 'nsuperior',
- 'osuperior',
- 'rsuperior',
- 'ssuperior',
- 'tsuperior',
- 'ff',
- 'ffi',
- 'ffl',
- 'parenleftinferior',
- 'parenrightinferior',
- 'Circumflexsmall',
- 'hyphensuperior',
- 'Gravesmall',
- 'Asmall',
- 'Bsmall',
- 'Csmall',
- 'Dsmall',
- 'Esmall',
- 'Fsmall',
- 'Gsmall',
- 'Hsmall',
- 'Ismall',
- 'Jsmall',
- 'Ksmall',
- 'Lsmall',
- 'Msmall',
- 'Nsmall',
- 'Osmall',
- 'Psmall',
- 'Qsmall',
- 'Rsmall',
- 'Ssmall',
- 'Tsmall',
- 'Usmall',
- 'Vsmall',
- 'Wsmall',
- 'Xsmall',
- 'Ysmall',
- 'Zsmall',
- 'colonmonetary',
- 'onefitted',
- 'rupiah',
- 'Tildesmall',
- 'exclamdownsmall',
- 'centoldstyle',
- 'Lslashsmall',
- 'Scaronsmall',
- 'Zcaronsmall',
- 'Dieresissmall',
- 'Brevesmall',
- 'Caronsmall',
- 'Dotaccentsmall',
- 'Macronsmall',
- 'figuredash',
- 'hypheninferior',
- 'Ogoneksmall',
- 'Ringsmall',
- 'Cedillasmall',
- 'questiondownsmall',
- 'oneeighth',
- 'threeeighths',
- 'fiveeighths',
- 'seveneighths',
- 'onethird',
- 'twothirds',
- 'zerosuperior',
- 'foursuperior',
- 'fivesuperior',
- 'sixsuperior',
- 'sevensuperior',
- 'eightsuperior',
- 'ninesuperior',
- 'zeroinferior',
- 'oneinferior',
- 'twoinferior',
- 'threeinferior',
- 'fourinferior',
- 'fiveinferior',
- 'sixinferior',
- 'seveninferior',
- 'eightinferior',
- 'nineinferior',
- 'centinferior',
- 'dollarinferior',
- 'periodinferior',
- 'commainferior',
- 'Agravesmall',
- 'Aacutesmall',
- 'Acircumflexsmall',
- 'Atildesmall',
- 'Adieresissmall',
- 'Aringsmall',
- 'AEsmall',
- 'Ccedillasmall',
- 'Egravesmall',
- 'Eacutesmall',
- 'Ecircumflexsmall',
- 'Edieresissmall',
- 'Igravesmall',
- 'Iacutesmall',
- 'Icircumflexsmall',
- 'Idieresissmall',
- 'Ethsmall',
- 'Ntildesmall',
- 'Ogravesmall',
- 'Oacutesmall',
- 'Ocircumflexsmall',
- 'Otildesmall',
- 'Odieresissmall',
- 'OEsmall',
- 'Oslashsmall',
- 'Ugravesmall',
- 'Uacutesmall',
- 'Ucircumflexsmall',
- 'Udieresissmall',
- 'Yacutesmall',
- 'Thornsmall',
- 'Ydieresissmall',
- '001.000',
- '001.001',
- '001.002',
- '001.003',
- 'Black',
- 'Bold',
- 'Book',
- 'Light',
- 'Medium',
- 'Regular',
- 'Roman',
- 'Semibold'
- ];
- var CFFParser = function CFFParserClosure() {
- var CharstringValidationData = [
- null,
- {
- id: 'hstem',
- min: 2,
- stackClearing: true,
- stem: true
- },
- null,
- {
- id: 'vstem',
- min: 2,
- stackClearing: true,
- stem: true
- },
- {
- id: 'vmoveto',
- min: 1,
- stackClearing: true
- },
- {
- id: 'rlineto',
- min: 2,
- resetStack: true
- },
- {
- id: 'hlineto',
- min: 1,
- resetStack: true
- },
- {
- id: 'vlineto',
- min: 1,
- resetStack: true
- },
- {
- id: 'rrcurveto',
- min: 6,
- resetStack: true
- },
- null,
- {
- id: 'callsubr',
- min: 1,
- undefStack: true
- },
- {
- id: 'return',
- min: 0,
- undefStack: true
- },
- null,
- // 12
- null,
- {
- id: 'endchar',
- min: 0,
- stackClearing: true
- },
- null,
- null,
- null,
- {
- id: 'hstemhm',
- min: 2,
- stackClearing: true,
- stem: true
- },
- {
- id: 'hintmask',
- min: 0,
- stackClearing: true
- },
- {
- id: 'cntrmask',
- min: 0,
- stackClearing: true
- },
- {
- id: 'rmoveto',
- min: 2,
- stackClearing: true
- },
- {
- id: 'hmoveto',
- min: 1,
- stackClearing: true
- },
- {
- id: 'vstemhm',
- min: 2,
- stackClearing: true,
- stem: true
- },
- {
- id: 'rcurveline',
- min: 8,
- resetStack: true
- },
- {
- id: 'rlinecurve',
- min: 8,
- resetStack: true
- },
- {
- id: 'vvcurveto',
- min: 4,
- resetStack: true
- },
- {
- id: 'hhcurveto',
- min: 4,
- resetStack: true
- },
- null,
- // shortint
- {
- id: 'callgsubr',
- min: 1,
- undefStack: true
- },
- {
- id: 'vhcurveto',
- min: 4,
- resetStack: true
- },
- {
- id: 'hvcurveto',
- min: 4,
- resetStack: true
- }
- ];
- var CharstringValidationData12 = [
- null,
- null,
- null,
- {
- id: 'and',
- min: 2,
- stackDelta: -1
- },
- {
- id: 'or',
- min: 2,
- stackDelta: -1
- },
- {
- id: 'not',
- min: 1,
- stackDelta: 0
- },
- null,
- null,
- null,
- {
- id: 'abs',
- min: 1,
- stackDelta: 0
- },
- {
- id: 'add',
- min: 2,
- stackDelta: -1,
- stackFn: function stack_div(stack, index) {
- stack[index - 2] = stack[index - 2] + stack[index - 1];
- }
- },
- {
- id: 'sub',
- min: 2,
- stackDelta: -1,
- stackFn: function stack_div(stack, index) {
- stack[index - 2] = stack[index - 2] - stack[index - 1];
- }
- },
- {
- id: 'div',
- min: 2,
- stackDelta: -1,
- stackFn: function stack_div(stack, index) {
- stack[index - 2] = stack[index - 2] / stack[index - 1];
- }
- },
- null,
- {
- id: 'neg',
- min: 1,
- stackDelta: 0,
- stackFn: function stack_div(stack, index) {
- stack[index - 1] = -stack[index - 1];
- }
- },
- {
- id: 'eq',
- min: 2,
- stackDelta: -1
- },
- null,
- null,
- {
- id: 'drop',
- min: 1,
- stackDelta: -1
- },
- null,
- {
- id: 'put',
- min: 2,
- stackDelta: -2
- },
- {
- id: 'get',
- min: 1,
- stackDelta: 0
- },
- {
- id: 'ifelse',
- min: 4,
- stackDelta: -3
- },
- {
- id: 'random',
- min: 0,
- stackDelta: 1
- },
- {
- id: 'mul',
- min: 2,
- stackDelta: -1,
- stackFn: function stack_div(stack, index) {
- stack[index - 2] = stack[index - 2] * stack[index - 1];
- }
- },
- null,
- {
- id: 'sqrt',
- min: 1,
- stackDelta: 0
- },
- {
- id: 'dup',
- min: 1,
- stackDelta: 1
- },
- {
- id: 'exch',
- min: 2,
- stackDelta: 0
- },
- {
- id: 'index',
- min: 2,
- stackDelta: 0
- },
- {
- id: 'roll',
- min: 3,
- stackDelta: -2
- },
- null,
- null,
- null,
- {
- id: 'hflex',
- min: 7,
- resetStack: true
- },
- {
- id: 'flex',
- min: 13,
- resetStack: true
- },
- {
- id: 'hflex1',
- min: 9,
- resetStack: true
- },
- {
- id: 'flex1',
- min: 11,
- resetStack: true
- }
- ];
- function CFFParser(file, properties, seacAnalysisEnabled) {
- this.bytes = file.getBytes();
- this.properties = properties;
- this.seacAnalysisEnabled = !!seacAnalysisEnabled;
- }
- CFFParser.prototype = {
- parse: function CFFParser_parse() {
- var properties = this.properties;
- var cff = new CFF();
- this.cff = cff;
- // The first five sections must be in order, all the others are reached
- // via offsets contained in one of the below.
- var header = this.parseHeader();
- var nameIndex = this.parseIndex(header.endPos);
- var topDictIndex = this.parseIndex(nameIndex.endPos);
- var stringIndex = this.parseIndex(topDictIndex.endPos);
- var globalSubrIndex = this.parseIndex(stringIndex.endPos);
- var topDictParsed = this.parseDict(topDictIndex.obj.get(0));
- var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings);
- cff.header = header.obj;
- cff.names = this.parseNameIndex(nameIndex.obj);
- cff.strings = this.parseStringIndex(stringIndex.obj);
- cff.topDict = topDict;
- cff.globalSubrIndex = globalSubrIndex.obj;
- this.parsePrivateDict(cff.topDict);
- cff.isCIDFont = topDict.hasName('ROS');
- var charStringOffset = topDict.getByName('CharStrings');
- var charStringIndex = this.parseIndex(charStringOffset).obj;
- var fontMatrix = topDict.getByName('FontMatrix');
- if (fontMatrix) {
- properties.fontMatrix = fontMatrix;
- }
- var fontBBox = topDict.getByName('FontBBox');
- if (fontBBox) {
- // adjusting ascent/descent
- properties.ascent = fontBBox[3];
- properties.descent = fontBBox[1];
- properties.ascentScaled = true;
- }
- var charset, encoding;
- if (cff.isCIDFont) {
- var fdArrayIndex = this.parseIndex(topDict.getByName('FDArray')).obj;
- for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) {
- var dictRaw = fdArrayIndex.get(i);
- var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), cff.strings);
- this.parsePrivateDict(fontDict);
- cff.fdArray.push(fontDict);
- }
- // cid fonts don't have an encoding
- encoding = null;
- charset = this.parseCharsets(topDict.getByName('charset'), charStringIndex.count, cff.strings, true);
- cff.fdSelect = this.parseFDSelect(topDict.getByName('FDSelect'), charStringIndex.count);
- } else {
- charset = this.parseCharsets(topDict.getByName('charset'), charStringIndex.count, cff.strings, false);
- encoding = this.parseEncoding(topDict.getByName('Encoding'), properties, cff.strings, charset.charset);
- }
- cff.charset = charset;
- cff.encoding = encoding;
- var charStringsAndSeacs = this.parseCharStrings(charStringIndex, topDict.privateDict.subrsIndex, globalSubrIndex.obj, cff.fdSelect, cff.fdArray);
- cff.charStrings = charStringsAndSeacs.charStrings;
- cff.seacs = charStringsAndSeacs.seacs;
- cff.widths = charStringsAndSeacs.widths;
- return cff;
- },
- parseHeader: function CFFParser_parseHeader() {
- var bytes = this.bytes;
- var bytesLength = bytes.length;
- var offset = 0;
- // Prevent an infinite loop, by checking that the offset is within the
- // bounds of the bytes array. Necessary in empty, or invalid, font files.
- while (offset < bytesLength && bytes[offset] !== 1) {
- ++offset;
- }
- if (offset >= bytesLength) {
- error('Invalid CFF header');
- } else if (offset !== 0) {
- info('cff data is shifted');
- bytes = bytes.subarray(offset);
- this.bytes = bytes;
- }
- var major = bytes[0];
- var minor = bytes[1];
- var hdrSize = bytes[2];
- var offSize = bytes[3];
- var header = new CFFHeader(major, minor, hdrSize, offSize);
- return {
- obj: header,
- endPos: hdrSize
- };
- },
- parseDict: function CFFParser_parseDict(dict) {
- var pos = 0;
- function parseOperand() {
- var value = dict[pos++];
- if (value === 30) {
- return parseFloatOperand();
- } else if (value === 28) {
- value = dict[pos++];
- value = (value << 24 | dict[pos++] << 16) >> 16;
- return value;
- } else if (value === 29) {
- value = dict[pos++];
- value = value << 8 | dict[pos++];
- value = value << 8 | dict[pos++];
- value = value << 8 | dict[pos++];
- return value;
- } else if (value >= 32 && value <= 246) {
- return value - 139;
- } else if (value >= 247 && value <= 250) {
- return (value - 247) * 256 + dict[pos++] + 108;
- } else if (value >= 251 && value <= 254) {
- return -((value - 251) * 256) - dict[pos++] - 108;
- } else {
- warn('CFFParser_parseDict: "' + value + '" is a reserved command.');
- return NaN;
- }
- }
- function parseFloatOperand() {
- var str = '';
- var eof = 15;
- var lookup = [
- '0',
- '1',
- '2',
- '3',
- '4',
- '5',
- '6',
- '7',
- '8',
- '9',
- '.',
- 'E',
- 'E-',
- null,
- '-'
- ];
- var length = dict.length;
- while (pos < length) {
- var b = dict[pos++];
- var b1 = b >> 4;
- var b2 = b & 15;
- if (b1 === eof) {
- break;
- }
- str += lookup[b1];
- if (b2 === eof) {
- break;
- }
- str += lookup[b2];
- }
- return parseFloat(str);
- }
- var operands = [];
- var entries = [];
- pos = 0;
- var end = dict.length;
- while (pos < end) {
- var b = dict[pos];
- if (b <= 21) {
- if (b === 12) {
- b = b << 8 | dict[++pos];
- }
- entries.push([
- b,
- operands
- ]);
- operands = [];
- ++pos;
- } else {
- operands.push(parseOperand());
- }
- }
- return entries;
- },
- parseIndex: function CFFParser_parseIndex(pos) {
- var cffIndex = new CFFIndex();
- var bytes = this.bytes;
- var count = bytes[pos++] << 8 | bytes[pos++];
- var offsets = [];
- var end = pos;
- var i, ii;
- if (count !== 0) {
- var offsetSize = bytes[pos++];
- // add 1 for offset to determine size of last object
- var startPos = pos + (count + 1) * offsetSize - 1;
- for (i = 0, ii = count + 1; i < ii; ++i) {
- var offset = 0;
- for (var j = 0; j < offsetSize; ++j) {
- offset <<= 8;
- offset += bytes[pos++];
- }
- offsets.push(startPos + offset);
- }
- end = offsets[count];
- }
- for (i = 0, ii = offsets.length - 1; i < ii; ++i) {
- var offsetStart = offsets[i];
- var offsetEnd = offsets[i + 1];
- cffIndex.add(bytes.subarray(offsetStart, offsetEnd));
- }
- return {
- obj: cffIndex,
- endPos: end
- };
- },
- parseNameIndex: function CFFParser_parseNameIndex(index) {
- var names = [];
- for (var i = 0, ii = index.count; i < ii; ++i) {
- var name = index.get(i);
- // OTS doesn't allow names to be over 127 characters.
- var length = Math.min(name.length, 127);
- var data = [];
- // OTS also only permits certain characters in the name.
- for (var j = 0; j < length; ++j) {
- var c = name[j];
- if (j === 0 && c === 0) {
- data[j] = c;
- continue;
- }
- if (c < 33 || c > 126 || c === 91 || /* [ */
- c === 93 || /* ] */
- c === 40 || /* ( */
- c === 41 || /* ) */
- c === 123 || /* { */
- c === 125 || /* } */
- c === 60 || /* < */
- c === 62 || /* > */
- c === 47 || /* / */
- c === 37 || /* % */
- c === 35)
- /* # */
- {
- data[j] = 95;
- continue;
- }
- data[j] = c;
- }
- names.push(bytesToString(data));
- }
- return names;
- },
- parseStringIndex: function CFFParser_parseStringIndex(index) {
- var strings = new CFFStrings();
- for (var i = 0, ii = index.count; i < ii; ++i) {
- var data = index.get(i);
- strings.add(bytesToString(data));
- }
- return strings;
- },
- createDict: function CFFParser_createDict(Type, dict, strings) {
- var cffDict = new Type(strings);
- for (var i = 0, ii = dict.length; i < ii; ++i) {
- var pair = dict[i];
- var key = pair[0];
- var value = pair[1];
- cffDict.setByKey(key, value);
- }
- return cffDict;
- },
- parseCharString: function CFFParser_parseCharString(state, data, localSubrIndex, globalSubrIndex) {
- if (state.callDepth > MAX_SUBR_NESTING) {
- return false;
- }
- var stackSize = state.stackSize;
- var stack = state.stack;
- var length = data.length;
- for (var j = 0; j < length;) {
- var value = data[j++];
- var validationCommand = null;
- if (value === 12) {
- var q = data[j++];
- if (q === 0) {
- // The CFF specification state that the 'dotsection' command
- // (12, 0) is deprecated and treated as a no-op, but all Type2
- // charstrings processors should support them. Unfortunately
- // the font sanitizer don't. As a workaround the sequence (12, 0)
- // is replaced by a useless (0, hmoveto).
- data[j - 2] = 139;
- data[j - 1] = 22;
- stackSize = 0;
- } else {
- validationCommand = CharstringValidationData12[q];
- }
- } else if (value === 28) {
- // number (16 bit)
- stack[stackSize] = (data[j] << 24 | data[j + 1] << 16) >> 16;
- j += 2;
- stackSize++;
- } else if (value === 14) {
- if (stackSize >= 4) {
- stackSize -= 4;
- if (this.seacAnalysisEnabled) {
- state.seac = stack.slice(stackSize, stackSize + 4);
- return false;
- }
- }
- validationCommand = CharstringValidationData[value];
- } else if (value >= 32 && value <= 246) {
- // number
- stack[stackSize] = value - 139;
- stackSize++;
- } else if (value >= 247 && value <= 254) {
- // number (+1 bytes)
- stack[stackSize] = value < 251 ? (value - 247 << 8) + data[j] + 108 : -(value - 251 << 8) - data[j] - 108;
- j++;
- stackSize++;
- } else if (value === 255) {
- // number (32 bit)
- stack[stackSize] = (data[j] << 24 | data[j + 1] << 16 | data[j + 2] << 8 | data[j + 3]) / 65536;
- j += 4;
- stackSize++;
- } else if (value === 19 || value === 20) {
- state.hints += stackSize >> 1;
- // skipping right amount of hints flag data
- j += state.hints + 7 >> 3;
- stackSize %= 2;
- validationCommand = CharstringValidationData[value];
- } else if (value === 10 || value === 29) {
- var subrsIndex;
- if (value === 10) {
- subrsIndex = localSubrIndex;
- } else {
- subrsIndex = globalSubrIndex;
- }
- if (!subrsIndex) {
- validationCommand = CharstringValidationData[value];
- warn('Missing subrsIndex for ' + validationCommand.id);
- return false;
- }
- var bias = 32768;
- if (subrsIndex.count < 1240) {
- bias = 107;
- } else if (subrsIndex.count < 33900) {
- bias = 1131;
- }
- var subrNumber = stack[--stackSize] + bias;
- if (subrNumber < 0 || subrNumber >= subrsIndex.count) {
- validationCommand = CharstringValidationData[value];
- warn('Out of bounds subrIndex for ' + validationCommand.id);
- return false;
- }
- state.stackSize = stackSize;
- state.callDepth++;
- var valid = this.parseCharString(state, subrsIndex.get(subrNumber), localSubrIndex, globalSubrIndex);
- if (!valid) {
- return false;
- }
- state.callDepth--;
- stackSize = state.stackSize;
- continue;
- } else if (value === 11) {
- state.stackSize = stackSize;
- return true;
- } else {
- validationCommand = CharstringValidationData[value];
- }
- if (validationCommand) {
- if (validationCommand.stem) {
- state.hints += stackSize >> 1;
- }
- if ('min' in validationCommand) {
- if (!state.undefStack && stackSize < validationCommand.min) {
- warn('Not enough parameters for ' + validationCommand.id + '; actual: ' + stackSize + ', expected: ' + validationCommand.min);
- return false;
- }
- }
- if (state.firstStackClearing && validationCommand.stackClearing) {
- state.firstStackClearing = false;
- // the optional character width can be found before the first
- // stack-clearing command arguments
- stackSize -= validationCommand.min;
- if (stackSize >= 2 && validationCommand.stem) {
- // there are even amount of arguments for stem commands
- stackSize %= 2;
- } else if (stackSize > 1) {
- warn('Found too many parameters for stack-clearing command');
- }
- if (stackSize > 0 && stack[stackSize - 1] >= 0) {
- state.width = stack[stackSize - 1];
- }
- }
- if ('stackDelta' in validationCommand) {
- if ('stackFn' in validationCommand) {
- validationCommand.stackFn(stack, stackSize);
- }
- stackSize += validationCommand.stackDelta;
- } else if (validationCommand.stackClearing) {
- stackSize = 0;
- } else if (validationCommand.resetStack) {
- stackSize = 0;
- state.undefStack = false;
- } else if (validationCommand.undefStack) {
- stackSize = 0;
- state.undefStack = true;
- state.firstStackClearing = false;
- }
- }
- }
- state.stackSize = stackSize;
- return true;
- },
- parseCharStrings: function CFFParser_parseCharStrings(charStrings, localSubrIndex, globalSubrIndex, fdSelect, fdArray) {
- var seacs = [];
- var widths = [];
- var count = charStrings.count;
- for (var i = 0; i < count; i++) {
- var charstring = charStrings.get(i);
- var state = {
- callDepth: 0,
- stackSize: 0,
- stack: [],
- undefStack: true,
- hints: 0,
- firstStackClearing: true,
- seac: null,
- width: null
- };
- var valid = true;
- var localSubrToUse = null;
- if (fdSelect && fdArray.length) {
- var fdIndex = fdSelect.getFDIndex(i);
- if (fdIndex === -1) {
- warn('Glyph index is not in fd select.');
- valid = false;
- }
- if (fdIndex >= fdArray.length) {
- warn('Invalid fd index for glyph index.');
- valid = false;
- }
- if (valid) {
- localSubrToUse = fdArray[fdIndex].privateDict.subrsIndex;
- }
- } else if (localSubrIndex) {
- localSubrToUse = localSubrIndex;
- }
- if (valid) {
- valid = this.parseCharString(state, charstring, localSubrToUse, globalSubrIndex);
- }
- if (state.width !== null) {
- widths[i] = state.width;
- }
- if (state.seac !== null) {
- seacs[i] = state.seac;
- }
- if (!valid) {
- // resetting invalid charstring to single 'endchar'
- charStrings.set(i, new Uint8Array([14]));
- }
- }
- return {
- charStrings: charStrings,
- seacs: seacs,
- widths: widths
- };
- },
- emptyPrivateDictionary: function CFFParser_emptyPrivateDictionary(parentDict) {
- var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings);
- parentDict.setByKey(18, [
- 0,
- 0
- ]);
- parentDict.privateDict = privateDict;
- },
- parsePrivateDict: function CFFParser_parsePrivateDict(parentDict) {
- // no private dict, do nothing
- if (!parentDict.hasName('Private')) {
- this.emptyPrivateDictionary(parentDict);
- return;
- }
- var privateOffset = parentDict.getByName('Private');
- // make sure the params are formatted correctly
- if (!isArray(privateOffset) || privateOffset.length !== 2) {
- parentDict.removeByName('Private');
- return;
- }
- var size = privateOffset[0];
- var offset = privateOffset[1];
- // remove empty dicts or ones that refer to invalid location
- if (size === 0 || offset >= this.bytes.length) {
- this.emptyPrivateDictionary(parentDict);
- return;
- }
- var privateDictEnd = offset + size;
- var dictData = this.bytes.subarray(offset, privateDictEnd);
- var dict = this.parseDict(dictData);
- var privateDict = this.createDict(CFFPrivateDict, dict, parentDict.strings);
- parentDict.privateDict = privateDict;
- // Parse the Subrs index also since it's relative to the private dict.
- if (!privateDict.getByName('Subrs')) {
- return;
- }
- var subrsOffset = privateDict.getByName('Subrs');
- var relativeOffset = offset + subrsOffset;
- // Validate the offset.
- if (subrsOffset === 0 || relativeOffset >= this.bytes.length) {
- this.emptyPrivateDictionary(parentDict);
- return;
- }
- var subrsIndex = this.parseIndex(relativeOffset);
- privateDict.subrsIndex = subrsIndex.obj;
- },
- parseCharsets: function CFFParser_parseCharsets(pos, length, strings, cid) {
- if (pos === 0) {
- return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, ISOAdobeCharset);
- } else if (pos === 1) {
- return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, ExpertCharset);
- } else if (pos === 2) {
- return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, ExpertSubsetCharset);
- }
- var bytes = this.bytes;
- var start = pos;
- var format = bytes[pos++];
- var charset = ['.notdef'];
- var id, count, i;
- // subtract 1 for the .notdef glyph
- length -= 1;
- switch (format) {
- case 0:
- for (i = 0; i < length; i++) {
- id = bytes[pos++] << 8 | bytes[pos++];
- charset.push(cid ? id : strings.get(id));
- }
- break;
- case 1:
- while (charset.length <= length) {
- id = bytes[pos++] << 8 | bytes[pos++];
- count = bytes[pos++];
- for (i = 0; i <= count; i++) {
- charset.push(cid ? id++ : strings.get(id++));
- }
- }
- break;
- case 2:
- while (charset.length <= length) {
- id = bytes[pos++] << 8 | bytes[pos++];
- count = bytes[pos++] << 8 | bytes[pos++];
- for (i = 0; i <= count; i++) {
- charset.push(cid ? id++ : strings.get(id++));
- }
- }
- break;
- default:
- error('Unknown charset format');
- }
- // Raw won't be needed if we actually compile the charset.
- var end = pos;
- var raw = bytes.subarray(start, end);
- return new CFFCharset(false, format, charset, raw);
- },
- parseEncoding: function CFFParser_parseEncoding(pos, properties, strings, charset) {
- var encoding = Object.create(null);
- var bytes = this.bytes;
- var predefined = false;
- var hasSupplement = false;
- var format, i, ii;
- var raw = null;
- function readSupplement() {
- var supplementsCount = bytes[pos++];
- for (i = 0; i < supplementsCount; i++) {
- var code = bytes[pos++];
- var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff);
- encoding[code] = charset.indexOf(strings.get(sid));
- }
- }
- if (pos === 0 || pos === 1) {
- predefined = true;
- format = pos;
- var baseEncoding = pos ? ExpertEncoding : StandardEncoding;
- for (i = 0, ii = charset.length; i < ii; i++) {
- var index = baseEncoding.indexOf(charset[i]);
- if (index !== -1) {
- encoding[index] = i;
- }
- }
- } else {
- var dataStart = pos;
- format = bytes[pos++];
- switch (format & 0x7f) {
- case 0:
- var glyphsCount = bytes[pos++];
- for (i = 1; i <= glyphsCount; i++) {
- encoding[bytes[pos++]] = i;
- }
- break;
- case 1:
- var rangesCount = bytes[pos++];
- var gid = 1;
- for (i = 0; i < rangesCount; i++) {
- var start = bytes[pos++];
- var left = bytes[pos++];
- for (var j = start; j <= start + left; j++) {
- encoding[j] = gid++;
- }
- }
- break;
- default:
- error('Unknown encoding format: ' + format + ' in CFF');
- break;
- }
- var dataEnd = pos;
- if (format & 0x80) {
- // The font sanitizer does not support CFF encoding with a
- // supplement, since the encoding is not really used to map
- // between gid to glyph, let's overwrite what is declared in
- // the top dictionary to let the sanitizer think the font use
- // StandardEncoding, that's a lie but that's ok.
- bytes[dataStart] &= 0x7f;
- readSupplement();
- hasSupplement = true;
- }
- raw = bytes.subarray(dataStart, dataEnd);
- }
- format = format & 0x7f;
- return new CFFEncoding(predefined, format, encoding, raw);
- },
- parseFDSelect: function CFFParser_parseFDSelect(pos, length) {
- var start = pos;
- var bytes = this.bytes;
- var format = bytes[pos++];
- var fdSelect = [], rawBytes;
- var i, invalidFirstGID = false;
- switch (format) {
- case 0:
- for (i = 0; i < length; ++i) {
- var id = bytes[pos++];
- fdSelect.push(id);
- }
- rawBytes = bytes.subarray(start, pos);
- break;
- case 3:
- var rangesCount = bytes[pos++] << 8 | bytes[pos++];
- for (i = 0; i < rangesCount; ++i) {
- var first = bytes[pos++] << 8 | bytes[pos++];
- if (i === 0 && first !== 0) {
- warn('parseFDSelect: The first range must have a first GID of 0' + ' -- trying to recover.');
- invalidFirstGID = true;
- first = 0;
- }
- var fdIndex = bytes[pos++];
- var next = bytes[pos] << 8 | bytes[pos + 1];
- for (var j = first; j < next; ++j) {
- fdSelect.push(fdIndex);
- }
- }
- // Advance past the sentinel(next).
- pos += 2;
- rawBytes = bytes.subarray(start, pos);
- if (invalidFirstGID) {
- rawBytes[3] = rawBytes[4] = 0;
- }
- // Adjust the first range, first GID.
- break;
- default:
- error('parseFDSelect: Unknown format "' + format + '".');
- break;
- }
- assert(fdSelect.length === length, 'parseFDSelect: Invalid font data.');
- return new CFFFDSelect(fdSelect, rawBytes);
- }
- };
- return CFFParser;
- }();
- // Compact Font Format
- var CFF = function CFFClosure() {
- function CFF() {
- this.header = null;
- this.names = [];
- this.topDict = null;
- this.strings = new CFFStrings();
- this.globalSubrIndex = null;
- // The following could really be per font, but since we only have one font
- // store them here.
- this.encoding = null;
- this.charset = null;
- this.charStrings = null;
- this.fdArray = [];
- this.fdSelect = null;
- this.isCIDFont = false;
- }
- return CFF;
- }();
- var CFFHeader = function CFFHeaderClosure() {
- function CFFHeader(major, minor, hdrSize, offSize) {
- this.major = major;
- this.minor = minor;
- this.hdrSize = hdrSize;
- this.offSize = offSize;
- }
- return CFFHeader;
- }();
- var CFFStrings = function CFFStringsClosure() {
- function CFFStrings() {
- this.strings = [];
- }
- CFFStrings.prototype = {
- get: function CFFStrings_get(index) {
- if (index >= 0 && index <= 390) {
- return CFFStandardStrings[index];
- }
- if (index - 391 <= this.strings.length) {
- return this.strings[index - 391];
- }
- return CFFStandardStrings[0];
- },
- add: function CFFStrings_add(value) {
- this.strings.push(value);
- },
- get count() {
- return this.strings.length;
- }
- };
- return CFFStrings;
- }();
- var CFFIndex = function CFFIndexClosure() {
- function CFFIndex() {
- this.objects = [];
- this.length = 0;
- }
- CFFIndex.prototype = {
- add: function CFFIndex_add(data) {
- this.length += data.length;
- this.objects.push(data);
- },
- set: function CFFIndex_set(index, data) {
- this.length += data.length - this.objects[index].length;
- this.objects[index] = data;
- },
- get: function CFFIndex_get(index) {
- return this.objects[index];
- },
- get count() {
- return this.objects.length;
- }
- };
- return CFFIndex;
- }();
- var CFFDict = function CFFDictClosure() {
- function CFFDict(tables, strings) {
- this.keyToNameMap = tables.keyToNameMap;
- this.nameToKeyMap = tables.nameToKeyMap;
- this.defaults = tables.defaults;
- this.types = tables.types;
- this.opcodes = tables.opcodes;
- this.order = tables.order;
- this.strings = strings;
- this.values = Object.create(null);
- }
- CFFDict.prototype = {
- // value should always be an array
- setByKey: function CFFDict_setByKey(key, value) {
- if (!(key in this.keyToNameMap)) {
- return false;
- }
- var valueLength = value.length;
- // ignore empty values
- if (valueLength === 0) {
- return true;
- }
- // Ignore invalid values (fixes bug1068432.pdf and bug1308536.pdf).
- for (var i = 0; i < valueLength; i++) {
- if (isNaN(value[i])) {
- warn('Invalid CFFDict value: "' + value + '" for key "' + key + '".');
- return true;
- }
- }
- var type = this.types[key];
- // remove the array wrapping these types of values
- if (type === 'num' || type === 'sid' || type === 'offset') {
- value = value[0];
- }
- this.values[key] = value;
- return true;
- },
- setByName: function CFFDict_setByName(name, value) {
- if (!(name in this.nameToKeyMap)) {
- error('Invalid dictionary name "' + name + '"');
- }
- this.values[this.nameToKeyMap[name]] = value;
- },
- hasName: function CFFDict_hasName(name) {
- return this.nameToKeyMap[name] in this.values;
- },
- getByName: function CFFDict_getByName(name) {
- if (!(name in this.nameToKeyMap)) {
- error('Invalid dictionary name "' + name + '"');
- }
- var key = this.nameToKeyMap[name];
- if (!(key in this.values)) {
- return this.defaults[key];
- }
- return this.values[key];
- },
- removeByName: function CFFDict_removeByName(name) {
- delete this.values[this.nameToKeyMap[name]];
- }
- };
- CFFDict.createTables = function CFFDict_createTables(layout) {
- var tables = {
- keyToNameMap: {},
- nameToKeyMap: {},
- defaults: {},
- types: {},
- opcodes: {},
- order: []
- };
- for (var i = 0, ii = layout.length; i < ii; ++i) {
- var entry = layout[i];
- var key = isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0];
- tables.keyToNameMap[key] = entry[1];
- tables.nameToKeyMap[entry[1]] = key;
- tables.types[key] = entry[2];
- tables.defaults[key] = entry[3];
- tables.opcodes[key] = isArray(entry[0]) ? entry[0] : [entry[0]];
- tables.order.push(key);
- }
- return tables;
- };
- return CFFDict;
- }();
- var CFFTopDict = function CFFTopDictClosure() {
- var layout = [
- [
- [
- 12,
- 30
- ],
- 'ROS',
- [
- 'sid',
- 'sid',
- 'num'
- ],
- null
- ],
- [
- [
- 12,
- 20
- ],
- 'SyntheticBase',
- 'num',
- null
- ],
- [
- 0,
- 'version',
- 'sid',
- null
- ],
- [
- 1,
- 'Notice',
- 'sid',
- null
- ],
- [
- [
- 12,
- 0
- ],
- 'Copyright',
- 'sid',
- null
- ],
- [
- 2,
- 'FullName',
- 'sid',
- null
- ],
- [
- 3,
- 'FamilyName',
- 'sid',
- null
- ],
- [
- 4,
- 'Weight',
- 'sid',
- null
- ],
- [
- [
- 12,
- 1
- ],
- 'isFixedPitch',
- 'num',
- 0
- ],
- [
- [
- 12,
- 2
- ],
- 'ItalicAngle',
- 'num',
- 0
- ],
- [
- [
- 12,
- 3
- ],
- 'UnderlinePosition',
- 'num',
- -100
- ],
- [
- [
- 12,
- 4
- ],
- 'UnderlineThickness',
- 'num',
- 50
- ],
- [
- [
- 12,
- 5
- ],
- 'PaintType',
- 'num',
- 0
- ],
- [
- [
- 12,
- 6
- ],
- 'CharstringType',
- 'num',
- 2
- ],
- [
- [
- 12,
- 7
- ],
- 'FontMatrix',
- [
- 'num',
- 'num',
- 'num',
- 'num',
- 'num',
- 'num'
- ],
- [
- 0.001,
- 0,
- 0,
- 0.001,
- 0,
- 0
- ]
- ],
- [
- 13,
- 'UniqueID',
- 'num',
- null
- ],
- [
- 5,
- 'FontBBox',
- [
- 'num',
- 'num',
- 'num',
- 'num'
- ],
- [
- 0,
- 0,
- 0,
- 0
- ]
- ],
- [
- [
- 12,
- 8
- ],
- 'StrokeWidth',
- 'num',
- 0
- ],
- [
- 14,
- 'XUID',
- 'array',
- null
- ],
- [
- 15,
- 'charset',
- 'offset',
- 0
- ],
- [
- 16,
- 'Encoding',
- 'offset',
- 0
- ],
- [
- 17,
- 'CharStrings',
- 'offset',
- 0
- ],
- [
- 18,
- 'Private',
- [
- 'offset',
- 'offset'
- ],
- null
- ],
- [
- [
- 12,
- 21
- ],
- 'PostScript',
- 'sid',
- null
- ],
- [
- [
- 12,
- 22
- ],
- 'BaseFontName',
- 'sid',
- null
- ],
- [
- [
- 12,
- 23
- ],
- 'BaseFontBlend',
- 'delta',
- null
- ],
- [
- [
- 12,
- 31
- ],
- 'CIDFontVersion',
- 'num',
- 0
- ],
- [
- [
- 12,
- 32
- ],
- 'CIDFontRevision',
- 'num',
- 0
- ],
- [
- [
- 12,
- 33
- ],
- 'CIDFontType',
- 'num',
- 0
- ],
- [
- [
- 12,
- 34
- ],
- 'CIDCount',
- 'num',
- 8720
- ],
- [
- [
- 12,
- 35
- ],
- 'UIDBase',
- 'num',
- null
- ],
- // XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes
- // before FDArray.
- [
- [
- 12,
- 37
- ],
- 'FDSelect',
- 'offset',
- null
- ],
- [
- [
- 12,
- 36
- ],
- 'FDArray',
- 'offset',
- null
- ],
- [
- [
- 12,
- 38
- ],
- 'FontName',
- 'sid',
- null
- ]
- ];
- var tables = null;
- function CFFTopDict(strings) {
- if (tables === null) {
- tables = CFFDict.createTables(layout);
- }
- CFFDict.call(this, tables, strings);
- this.privateDict = null;
- }
- CFFTopDict.prototype = Object.create(CFFDict.prototype);
- return CFFTopDict;
- }();
- var CFFPrivateDict = function CFFPrivateDictClosure() {
- var layout = [
- [
- 6,
- 'BlueValues',
- 'delta',
- null
- ],
- [
- 7,
- 'OtherBlues',
- 'delta',
- null
- ],
- [
- 8,
- 'FamilyBlues',
- 'delta',
- null
- ],
- [
- 9,
- 'FamilyOtherBlues',
- 'delta',
- null
- ],
- [
- [
- 12,
- 9
- ],
- 'BlueScale',
- 'num',
- 0.039625
- ],
- [
- [
- 12,
- 10
- ],
- 'BlueShift',
- 'num',
- 7
- ],
- [
- [
- 12,
- 11
- ],
- 'BlueFuzz',
- 'num',
- 1
- ],
- [
- 10,
- 'StdHW',
- 'num',
- null
- ],
- [
- 11,
- 'StdVW',
- 'num',
- null
- ],
- [
- [
- 12,
- 12
- ],
- 'StemSnapH',
- 'delta',
- null
- ],
- [
- [
- 12,
- 13
- ],
- 'StemSnapV',
- 'delta',
- null
- ],
- [
- [
- 12,
- 14
- ],
- 'ForceBold',
- 'num',
- 0
- ],
- [
- [
- 12,
- 17
- ],
- 'LanguageGroup',
- 'num',
- 0
- ],
- [
- [
- 12,
- 18
- ],
- 'ExpansionFactor',
- 'num',
- 0.06
- ],
- [
- [
- 12,
- 19
- ],
- 'initialRandomSeed',
- 'num',
- 0
- ],
- [
- 20,
- 'defaultWidthX',
- 'num',
- 0
- ],
- [
- 21,
- 'nominalWidthX',
- 'num',
- 0
- ],
- [
- 19,
- 'Subrs',
- 'offset',
- null
- ]
- ];
- var tables = null;
- function CFFPrivateDict(strings) {
- if (tables === null) {
- tables = CFFDict.createTables(layout);
- }
- CFFDict.call(this, tables, strings);
- this.subrsIndex = null;
- }
- CFFPrivateDict.prototype = Object.create(CFFDict.prototype);
- return CFFPrivateDict;
- }();
- var CFFCharsetPredefinedTypes = {
- ISO_ADOBE: 0,
- EXPERT: 1,
- EXPERT_SUBSET: 2
- };
- var CFFCharset = function CFFCharsetClosure() {
- function CFFCharset(predefined, format, charset, raw) {
- this.predefined = predefined;
- this.format = format;
- this.charset = charset;
- this.raw = raw;
- }
- return CFFCharset;
- }();
- var CFFEncoding = function CFFEncodingClosure() {
- function CFFEncoding(predefined, format, encoding, raw) {
- this.predefined = predefined;
- this.format = format;
- this.encoding = encoding;
- this.raw = raw;
- }
- return CFFEncoding;
- }();
- var CFFFDSelect = function CFFFDSelectClosure() {
- function CFFFDSelect(fdSelect, raw) {
- this.fdSelect = fdSelect;
- this.raw = raw;
- }
- CFFFDSelect.prototype = {
- getFDIndex: function CFFFDSelect_get(glyphIndex) {
- if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) {
- return -1;
- }
- return this.fdSelect[glyphIndex];
- }
- };
- return CFFFDSelect;
- }();
- // Helper class to keep track of where an offset is within the data and helps
- // filling in that offset once it's known.
- var CFFOffsetTracker = function CFFOffsetTrackerClosure() {
- function CFFOffsetTracker() {
- this.offsets = Object.create(null);
- }
- CFFOffsetTracker.prototype = {
- isTracking: function CFFOffsetTracker_isTracking(key) {
- return key in this.offsets;
- },
- track: function CFFOffsetTracker_track(key, location) {
- if (key in this.offsets) {
- error('Already tracking location of ' + key);
- }
- this.offsets[key] = location;
- },
- offset: function CFFOffsetTracker_offset(value) {
- for (var key in this.offsets) {
- this.offsets[key] += value;
- }
- },
- setEntryLocation: function CFFOffsetTracker_setEntryLocation(key, values, output) {
- if (!(key in this.offsets)) {
- error('Not tracking location of ' + key);
- }
- var data = output.data;
- var dataOffset = this.offsets[key];
- var size = 5;
- for (var i = 0, ii = values.length; i < ii; ++i) {
- var offset0 = i * size + dataOffset;
- var offset1 = offset0 + 1;
- var offset2 = offset0 + 2;
- var offset3 = offset0 + 3;
- var offset4 = offset0 + 4;
- // It's easy to screw up offsets so perform this sanity check.
- if (data[offset0] !== 0x1d || data[offset1] !== 0 || data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) {
- error('writing to an offset that is not empty');
- }
- var value = values[i];
- data[offset0] = 0x1d;
- data[offset1] = value >> 24 & 0xFF;
- data[offset2] = value >> 16 & 0xFF;
- data[offset3] = value >> 8 & 0xFF;
- data[offset4] = value & 0xFF;
- }
- }
- };
- return CFFOffsetTracker;
- }();
- // Takes a CFF and converts it to the binary representation.
- var CFFCompiler = function CFFCompilerClosure() {
- function CFFCompiler(cff) {
- this.cff = cff;
- }
- CFFCompiler.prototype = {
- compile: function CFFCompiler_compile() {
- var cff = this.cff;
- var output = {
- data: [],
- length: 0,
- add: function CFFCompiler_add(data) {
- this.data = this.data.concat(data);
- this.length = this.data.length;
- }
- };
- // Compile the five entries that must be in order.
- var header = this.compileHeader(cff.header);
- output.add(header);
- var nameIndex = this.compileNameIndex(cff.names);
- output.add(nameIndex);
- if (cff.isCIDFont) {
- // The spec is unclear on how font matrices should relate to each other
- // when there is one in the main top dict and the sub top dicts.
- // Windows handles this differently than linux and osx so we have to
- // normalize to work on all.
- // Rules based off of some mailing list discussions:
- // - If main font has a matrix and subfont doesn't, use the main matrix.
- // - If no main font matrix and there is a subfont matrix, use the
- // subfont matrix.
- // - If both have matrices, concat together.
- // - If neither have matrices, use default.
- // To make this work on all platforms we move the top matrix into each
- // sub top dict and concat if necessary.
- if (cff.topDict.hasName('FontMatrix')) {
- var base = cff.topDict.getByName('FontMatrix');
- cff.topDict.removeByName('FontMatrix');
- for (var i = 0, ii = cff.fdArray.length; i < ii; i++) {
- var subDict = cff.fdArray[i];
- var matrix = base.slice(0);
- if (subDict.hasName('FontMatrix')) {
- matrix = Util.transform(matrix, subDict.getByName('FontMatrix'));
- }
- subDict.setByName('FontMatrix', matrix);
- }
- }
- }
- var compiled = this.compileTopDicts([cff.topDict], output.length, cff.isCIDFont);
- output.add(compiled.output);
- var topDictTracker = compiled.trackers[0];
- var stringIndex = this.compileStringIndex(cff.strings.strings);
- output.add(stringIndex);
- var globalSubrIndex = this.compileIndex(cff.globalSubrIndex);
- output.add(globalSubrIndex);
- // Now start on the other entries that have no specific order.
- if (cff.encoding && cff.topDict.hasName('Encoding')) {
- if (cff.encoding.predefined) {
- topDictTracker.setEntryLocation('Encoding', [cff.encoding.format], output);
- } else {
- var encoding = this.compileEncoding(cff.encoding);
- topDictTracker.setEntryLocation('Encoding', [output.length], output);
- output.add(encoding);
- }
- }
- if (cff.charset && cff.topDict.hasName('charset')) {
- if (cff.charset.predefined) {
- topDictTracker.setEntryLocation('charset', [cff.charset.format], output);
- } else {
- var charset = this.compileCharset(cff.charset);
- topDictTracker.setEntryLocation('charset', [output.length], output);
- output.add(charset);
- }
- }
- var charStrings = this.compileCharStrings(cff.charStrings);
- topDictTracker.setEntryLocation('CharStrings', [output.length], output);
- output.add(charStrings);
- if (cff.isCIDFont) {
- // For some reason FDSelect must be in front of FDArray on windows. OSX
- // and linux don't seem to care.
- topDictTracker.setEntryLocation('FDSelect', [output.length], output);
- var fdSelect = this.compileFDSelect(cff.fdSelect.raw);
- output.add(fdSelect);
- // It is unclear if the sub font dictionary can have CID related
- // dictionary keys, but the sanitizer doesn't like them so remove them.
- compiled = this.compileTopDicts(cff.fdArray, output.length, true);
- topDictTracker.setEntryLocation('FDArray', [output.length], output);
- output.add(compiled.output);
- var fontDictTrackers = compiled.trackers;
- this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output);
- }
- this.compilePrivateDicts([cff.topDict], [topDictTracker], output);
- // If the font data ends with INDEX whose object data is zero-length,
- // the sanitizer will bail out. Add a dummy byte to avoid that.
- output.add([0]);
- return output.data;
- },
- encodeNumber: function CFFCompiler_encodeNumber(value) {
- if (parseFloat(value) === parseInt(value, 10) && !isNaN(value)) {
- // isInt
- return this.encodeInteger(value);
- } else {
- return this.encodeFloat(value);
- }
- },
- encodeFloat: function CFFCompiler_encodeFloat(num) {
- var value = num.toString();
- // rounding inaccurate doubles
- var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value);
- if (m) {
- var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length));
- value = (Math.round(num * epsilon) / epsilon).toString();
- }
- var nibbles = '';
- var i, ii;
- for (i = 0, ii = value.length; i < ii; ++i) {
- var a = value[i];
- if (a === 'e') {
- nibbles += value[++i] === '-' ? 'c' : 'b';
- } else if (a === '.') {
- nibbles += 'a';
- } else if (a === '-') {
- nibbles += 'e';
- } else {
- nibbles += a;
- }
- }
- nibbles += nibbles.length & 1 ? 'f' : 'ff';
- var out = [30];
- for (i = 0, ii = nibbles.length; i < ii; i += 2) {
- out.push(parseInt(nibbles.substr(i, 2), 16));
- }
- return out;
- },
- encodeInteger: function CFFCompiler_encodeInteger(value) {
- var code;
- if (value >= -107 && value <= 107) {
- code = [value + 139];
- } else if (value >= 108 && value <= 1131) {
- value = value - 108;
- code = [
- (value >> 8) + 247,
- value & 0xFF
- ];
- } else if (value >= -1131 && value <= -108) {
- value = -value - 108;
- code = [
- (value >> 8) + 251,
- value & 0xFF
- ];
- } else if (value >= -32768 && value <= 32767) {
- code = [
- 0x1c,
- value >> 8 & 0xFF,
- value & 0xFF
- ];
- } else {
- code = [
- 0x1d,
- value >> 24 & 0xFF,
- value >> 16 & 0xFF,
- value >> 8 & 0xFF,
- value & 0xFF
- ];
- }
- return code;
- },
- compileHeader: function CFFCompiler_compileHeader(header) {
- return [
- header.major,
- header.minor,
- header.hdrSize,
- header.offSize
- ];
- },
- compileNameIndex: function CFFCompiler_compileNameIndex(names) {
- var nameIndex = new CFFIndex();
- for (var i = 0, ii = names.length; i < ii; ++i) {
- nameIndex.add(stringToBytes(names[i]));
- }
- return this.compileIndex(nameIndex);
- },
- compileTopDicts: function CFFCompiler_compileTopDicts(dicts, length, removeCidKeys) {
- var fontDictTrackers = [];
- var fdArrayIndex = new CFFIndex();
- for (var i = 0, ii = dicts.length; i < ii; ++i) {
- var fontDict = dicts[i];
- if (removeCidKeys) {
- fontDict.removeByName('CIDFontVersion');
- fontDict.removeByName('CIDFontRevision');
- fontDict.removeByName('CIDFontType');
- fontDict.removeByName('CIDCount');
- fontDict.removeByName('UIDBase');
- }
- var fontDictTracker = new CFFOffsetTracker();
- var fontDictData = this.compileDict(fontDict, fontDictTracker);
- fontDictTrackers.push(fontDictTracker);
- fdArrayIndex.add(fontDictData);
- fontDictTracker.offset(length);
- }
- fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers);
- return {
- trackers: fontDictTrackers,
- output: fdArrayIndex
- };
- },
- compilePrivateDicts: function CFFCompiler_compilePrivateDicts(dicts, trackers, output) {
- for (var i = 0, ii = dicts.length; i < ii; ++i) {
- var fontDict = dicts[i];
- assert(fontDict.privateDict && fontDict.hasName('Private'), 'There must be an private dictionary.');
- var privateDict = fontDict.privateDict;
- var privateDictTracker = new CFFOffsetTracker();
- var privateDictData = this.compileDict(privateDict, privateDictTracker);
- var outputLength = output.length;
- privateDictTracker.offset(outputLength);
- if (!privateDictData.length) {
- // The private dictionary was empty, set the output length to zero to
- // ensure the offset length isn't out of bounds in the eyes of the
- // sanitizer.
- outputLength = 0;
- }
- trackers[i].setEntryLocation('Private', [
- privateDictData.length,
- outputLength
- ], output);
- output.add(privateDictData);
- if (privateDict.subrsIndex && privateDict.hasName('Subrs')) {
- var subrs = this.compileIndex(privateDict.subrsIndex);
- privateDictTracker.setEntryLocation('Subrs', [privateDictData.length], output);
- output.add(subrs);
- }
- }
- },
- compileDict: function CFFCompiler_compileDict(dict, offsetTracker) {
- var out = [];
- // The dictionary keys must be in a certain order.
- var order = dict.order;
- for (var i = 0; i < order.length; ++i) {
- var key = order[i];
- if (!(key in dict.values)) {
- continue;
- }
- var values = dict.values[key];
- var types = dict.types[key];
- if (!isArray(types)) {
- types = [types];
- }
- if (!isArray(values)) {
- values = [values];
- }
- // Remove any empty dict values.
- if (values.length === 0) {
- continue;
- }
- for (var j = 0, jj = types.length; j < jj; ++j) {
- var type = types[j];
- var value = values[j];
- switch (type) {
- case 'num':
- case 'sid':
- out = out.concat(this.encodeNumber(value));
- break;
- case 'offset':
- // For offsets we just insert a 32bit integer so we don't have to
- // deal with figuring out the length of the offset when it gets
- // replaced later on by the compiler.
- var name = dict.keyToNameMap[key];
- // Some offsets have the offset and the length, so just record the
- // position of the first one.
- if (!offsetTracker.isTracking(name)) {
- offsetTracker.track(name, out.length);
- }
- out = out.concat([
- 0x1d,
- 0,
- 0,
- 0,
- 0
- ]);
- break;
- case 'array':
- case 'delta':
- out = out.concat(this.encodeNumber(value));
- for (var k = 1, kk = values.length; k < kk; ++k) {
- out = out.concat(this.encodeNumber(values[k]));
- }
- break;
- default:
- error('Unknown data type of ' + type);
- break;
- }
- }
- out = out.concat(dict.opcodes[key]);
- }
- return out;
- },
- compileStringIndex: function CFFCompiler_compileStringIndex(strings) {
- var stringIndex = new CFFIndex();
- for (var i = 0, ii = strings.length; i < ii; ++i) {
- stringIndex.add(stringToBytes(strings[i]));
- }
- return this.compileIndex(stringIndex);
- },
- compileGlobalSubrIndex: function CFFCompiler_compileGlobalSubrIndex() {
- var globalSubrIndex = this.cff.globalSubrIndex;
- this.out.writeByteArray(this.compileIndex(globalSubrIndex));
- },
- compileCharStrings: function CFFCompiler_compileCharStrings(charStrings) {
- return this.compileIndex(charStrings);
- },
- compileCharset: function CFFCompiler_compileCharset(charset) {
- return this.compileTypedArray(charset.raw);
- },
- compileEncoding: function CFFCompiler_compileEncoding(encoding) {
- return this.compileTypedArray(encoding.raw);
- },
- compileFDSelect: function CFFCompiler_compileFDSelect(fdSelect) {
- return this.compileTypedArray(fdSelect);
- },
- compileTypedArray: function CFFCompiler_compileTypedArray(data) {
- var out = [];
- for (var i = 0, ii = data.length; i < ii; ++i) {
- out[i] = data[i];
- }
- return out;
- },
- compileIndex: function CFFCompiler_compileIndex(index, trackers) {
- trackers = trackers || [];
- var objects = index.objects;
- // First 2 bytes contains the number of objects contained into this index
- var count = objects.length;
- // If there is no object, just create an index. This technically
- // should just be [0, 0] but OTS has an issue with that.
- if (count === 0) {
- return [
- 0,
- 0,
- 0
- ];
- }
- var data = [
- count >> 8 & 0xFF,
- count & 0xff
- ];
- var lastOffset = 1, i;
- for (i = 0; i < count; ++i) {
- lastOffset += objects[i].length;
- }
- var offsetSize;
- if (lastOffset < 0x100) {
- offsetSize = 1;
- } else if (lastOffset < 0x10000) {
- offsetSize = 2;
- } else if (lastOffset < 0x1000000) {
- offsetSize = 3;
- } else {
- offsetSize = 4;
- }
- // Next byte contains the offset size use to reference object in the file
- data.push(offsetSize);
- // Add another offset after this one because we need a new offset
- var relativeOffset = 1;
- for (i = 0; i < count + 1; i++) {
- if (offsetSize === 1) {
- data.push(relativeOffset & 0xFF);
- } else if (offsetSize === 2) {
- data.push(relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF);
- } else if (offsetSize === 3) {
- data.push(relativeOffset >> 16 & 0xFF, relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF);
- } else {
- data.push(relativeOffset >>> 24 & 0xFF, relativeOffset >> 16 & 0xFF, relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF);
- }
- if (objects[i]) {
- relativeOffset += objects[i].length;
- }
- }
- for (i = 0; i < count; i++) {
- // Notify the tracker where the object will be offset in the data.
- if (trackers[i]) {
- trackers[i].offset(data.length);
- }
- for (var j = 0, jj = objects[i].length; j < jj; j++) {
- data.push(objects[i][j]);
- }
- }
- return data;
- }
- };
- return CFFCompiler;
- }();
- exports.CFFStandardStrings = CFFStandardStrings;
- exports.CFFParser = CFFParser;
- exports.CFF = CFF;
- exports.CFFHeader = CFFHeader;
- exports.CFFStrings = CFFStrings;
- exports.CFFIndex = CFFIndex;
- exports.CFFCharset = CFFCharset;
- exports.CFFTopDict = CFFTopDict;
- exports.CFFPrivateDict = CFFPrivateDict;
- exports.CFFCompiler = CFFCompiler;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreChunkedStream = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var MissingDataException = sharedUtil.MissingDataException;
- var arrayByteLength = sharedUtil.arrayByteLength;
- var arraysToBytes = sharedUtil.arraysToBytes;
- var assert = sharedUtil.assert;
- var createPromiseCapability = sharedUtil.createPromiseCapability;
- var isInt = sharedUtil.isInt;
- var isEmptyObj = sharedUtil.isEmptyObj;
- var ChunkedStream = function ChunkedStreamClosure() {
- function ChunkedStream(length, chunkSize, manager) {
- this.bytes = new Uint8Array(length);
- this.start = 0;
- this.pos = 0;
- this.end = length;
- this.chunkSize = chunkSize;
- this.loadedChunks = [];
- this.numChunksLoaded = 0;
- this.numChunks = Math.ceil(length / chunkSize);
- this.manager = manager;
- this.progressiveDataLength = 0;
- this.lastSuccessfulEnsureByteChunk = -1;
- }
- // a single-entry cache
- // required methods for a stream. if a particular stream does not
- // implement these, an error should be thrown
- ChunkedStream.prototype = {
- getMissingChunks: function ChunkedStream_getMissingChunks() {
- var chunks = [];
- for (var chunk = 0, n = this.numChunks; chunk < n; ++chunk) {
- if (!this.loadedChunks[chunk]) {
- chunks.push(chunk);
- }
- }
- return chunks;
- },
- getBaseStreams: function ChunkedStream_getBaseStreams() {
- return [this];
- },
- allChunksLoaded: function ChunkedStream_allChunksLoaded() {
- return this.numChunksLoaded === this.numChunks;
- },
- onReceiveData: function ChunkedStream_onReceiveData(begin, chunk) {
- var end = begin + chunk.byteLength;
- assert(begin % this.chunkSize === 0, 'Bad begin offset: ' + begin);
- // Using this.length is inaccurate here since this.start can be moved
- // See ChunkedStream.moveStart()
- var length = this.bytes.length;
- assert(end % this.chunkSize === 0 || end === length, 'Bad end offset: ' + end);
- this.bytes.set(new Uint8Array(chunk), begin);
- var chunkSize = this.chunkSize;
- var beginChunk = Math.floor(begin / chunkSize);
- var endChunk = Math.floor((end - 1) / chunkSize) + 1;
- var curChunk;
- for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
- if (!this.loadedChunks[curChunk]) {
- this.loadedChunks[curChunk] = true;
- ++this.numChunksLoaded;
- }
- }
- },
- onReceiveProgressiveData: function ChunkedStream_onReceiveProgressiveData(data) {
- var position = this.progressiveDataLength;
- var beginChunk = Math.floor(position / this.chunkSize);
- this.bytes.set(new Uint8Array(data), position);
- position += data.byteLength;
- this.progressiveDataLength = position;
- var endChunk = position >= this.end ? this.numChunks : Math.floor(position / this.chunkSize);
- var curChunk;
- for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) {
- if (!this.loadedChunks[curChunk]) {
- this.loadedChunks[curChunk] = true;
- ++this.numChunksLoaded;
- }
- }
- },
- ensureByte: function ChunkedStream_ensureByte(pos) {
- var chunk = Math.floor(pos / this.chunkSize);
- if (chunk === this.lastSuccessfulEnsureByteChunk) {
- return;
- }
- if (!this.loadedChunks[chunk]) {
- throw new MissingDataException(pos, pos + 1);
- }
- this.lastSuccessfulEnsureByteChunk = chunk;
- },
- ensureRange: function ChunkedStream_ensureRange(begin, end) {
- if (begin >= end) {
- return;
- }
- if (end <= this.progressiveDataLength) {
- return;
- }
- var chunkSize = this.chunkSize;
- var beginChunk = Math.floor(begin / chunkSize);
- var endChunk = Math.floor((end - 1) / chunkSize) + 1;
- for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
- if (!this.loadedChunks[chunk]) {
- throw new MissingDataException(begin, end);
- }
- }
- },
- nextEmptyChunk: function ChunkedStream_nextEmptyChunk(beginChunk) {
- var chunk, numChunks = this.numChunks;
- for (var i = 0; i < numChunks; ++i) {
- chunk = (beginChunk + i) % numChunks;
- // Wrap around to beginning
- if (!this.loadedChunks[chunk]) {
- return chunk;
- }
- }
- return null;
- },
- hasChunk: function ChunkedStream_hasChunk(chunk) {
- return !!this.loadedChunks[chunk];
- },
- get length() {
- return this.end - this.start;
- },
- get isEmpty() {
- return this.length === 0;
- },
- getByte: function ChunkedStream_getByte() {
- var pos = this.pos;
- if (pos >= this.end) {
- return -1;
- }
- this.ensureByte(pos);
- return this.bytes[this.pos++];
- },
- getUint16: function ChunkedStream_getUint16() {
- var b0 = this.getByte();
- var b1 = this.getByte();
- if (b0 === -1 || b1 === -1) {
- return -1;
- }
- return (b0 << 8) + b1;
- },
- getInt32: function ChunkedStream_getInt32() {
- var b0 = this.getByte();
- var b1 = this.getByte();
- var b2 = this.getByte();
- var b3 = this.getByte();
- return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
- },
- // returns subarray of original buffer
- // should only be read
- getBytes: function ChunkedStream_getBytes(length) {
- var bytes = this.bytes;
- var pos = this.pos;
- var strEnd = this.end;
- if (!length) {
- this.ensureRange(pos, strEnd);
- return bytes.subarray(pos, strEnd);
- }
- var end = pos + length;
- if (end > strEnd) {
- end = strEnd;
- }
- this.ensureRange(pos, end);
- this.pos = end;
- return bytes.subarray(pos, end);
- },
- peekByte: function ChunkedStream_peekByte() {
- var peekedByte = this.getByte();
- this.pos--;
- return peekedByte;
- },
- peekBytes: function ChunkedStream_peekBytes(length) {
- var bytes = this.getBytes(length);
- this.pos -= bytes.length;
- return bytes;
- },
- getByteRange: function ChunkedStream_getBytes(begin, end) {
- this.ensureRange(begin, end);
- return this.bytes.subarray(begin, end);
- },
- skip: function ChunkedStream_skip(n) {
- if (!n) {
- n = 1;
- }
- this.pos += n;
- },
- reset: function ChunkedStream_reset() {
- this.pos = this.start;
- },
- moveStart: function ChunkedStream_moveStart() {
- this.start = this.pos;
- },
- makeSubStream: function ChunkedStream_makeSubStream(start, length, dict) {
- this.ensureRange(start, start + length);
- function ChunkedStreamSubstream() {
- }
- ChunkedStreamSubstream.prototype = Object.create(this);
- ChunkedStreamSubstream.prototype.getMissingChunks = function () {
- var chunkSize = this.chunkSize;
- var beginChunk = Math.floor(this.start / chunkSize);
- var endChunk = Math.floor((this.end - 1) / chunkSize) + 1;
- var missingChunks = [];
- for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
- if (!this.loadedChunks[chunk]) {
- missingChunks.push(chunk);
- }
- }
- return missingChunks;
- };
- var subStream = new ChunkedStreamSubstream();
- subStream.pos = subStream.start = start;
- subStream.end = start + length || this.end;
- subStream.dict = dict;
- return subStream;
- },
- isStream: true
- };
- return ChunkedStream;
- }();
- var ChunkedStreamManager = function ChunkedStreamManagerClosure() {
- function ChunkedStreamManager(pdfNetworkStream, args) {
- var chunkSize = args.rangeChunkSize;
- var length = args.length;
- this.stream = new ChunkedStream(length, chunkSize, this);
- this.length = length;
- this.chunkSize = chunkSize;
- this.pdfNetworkStream = pdfNetworkStream;
- this.url = args.url;
- this.disableAutoFetch = args.disableAutoFetch;
- this.msgHandler = args.msgHandler;
- this.currRequestId = 0;
- this.chunksNeededByRequest = Object.create(null);
- this.requestsByChunk = Object.create(null);
- this.promisesByRequest = Object.create(null);
- this.progressiveDataLength = 0;
- this.aborted = false;
- this._loadedStreamCapability = createPromiseCapability();
- }
- ChunkedStreamManager.prototype = {
- onLoadedStream: function ChunkedStreamManager_getLoadedStream() {
- return this._loadedStreamCapability.promise;
- },
- sendRequest: function ChunkedStreamManager_sendRequest(begin, end) {
- var rangeReader = this.pdfNetworkStream.getRangeReader(begin, end);
- if (!rangeReader.isStreamingSupported) {
- rangeReader.onProgress = this.onProgress.bind(this);
- }
- var chunks = [], loaded = 0;
- var manager = this;
- var promise = new Promise(function (resolve, reject) {
- var readChunk = function (chunk) {
- try {
- if (!chunk.done) {
- var data = chunk.value;
- chunks.push(data);
- loaded += arrayByteLength(data);
- if (rangeReader.isStreamingSupported) {
- manager.onProgress({ loaded: loaded });
- }
- rangeReader.read().then(readChunk, reject);
- return;
- }
- var chunkData = arraysToBytes(chunks);
- chunks = null;
- resolve(chunkData);
- } catch (e) {
- reject(e);
- }
- };
- rangeReader.read().then(readChunk, reject);
- });
- promise.then(function (data) {
- if (this.aborted) {
- return;
- }
- // ignoring any data after abort
- this.onReceiveData({
- chunk: data,
- begin: begin
- });
- }.bind(this));
- },
- // TODO check errors
- // Get all the chunks that are not yet loaded and groups them into
- // contiguous ranges to load in as few requests as possible
- requestAllChunks: function ChunkedStreamManager_requestAllChunks() {
- var missingChunks = this.stream.getMissingChunks();
- this._requestChunks(missingChunks);
- return this._loadedStreamCapability.promise;
- },
- _requestChunks: function ChunkedStreamManager_requestChunks(chunks) {
- var requestId = this.currRequestId++;
- var i, ii;
- var chunksNeeded = Object.create(null);
- this.chunksNeededByRequest[requestId] = chunksNeeded;
- for (i = 0, ii = chunks.length; i < ii; i++) {
- if (!this.stream.hasChunk(chunks[i])) {
- chunksNeeded[chunks[i]] = true;
- }
- }
- if (isEmptyObj(chunksNeeded)) {
- return Promise.resolve();
- }
- var capability = createPromiseCapability();
- this.promisesByRequest[requestId] = capability;
- var chunksToRequest = [];
- for (var chunk in chunksNeeded) {
- chunk = chunk | 0;
- if (!(chunk in this.requestsByChunk)) {
- this.requestsByChunk[chunk] = [];
- chunksToRequest.push(chunk);
- }
- this.requestsByChunk[chunk].push(requestId);
- }
- if (!chunksToRequest.length) {
- return capability.promise;
- }
- var groupedChunksToRequest = this.groupChunks(chunksToRequest);
- for (i = 0; i < groupedChunksToRequest.length; ++i) {
- var groupedChunk = groupedChunksToRequest[i];
- var begin = groupedChunk.beginChunk * this.chunkSize;
- var end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length);
- this.sendRequest(begin, end);
- }
- return capability.promise;
- },
- getStream: function ChunkedStreamManager_getStream() {
- return this.stream;
- },
- // Loads any chunks in the requested range that are not yet loaded
- requestRange: function ChunkedStreamManager_requestRange(begin, end) {
- end = Math.min(end, this.length);
- var beginChunk = this.getBeginChunk(begin);
- var endChunk = this.getEndChunk(end);
- var chunks = [];
- for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
- chunks.push(chunk);
- }
- return this._requestChunks(chunks);
- },
- requestRanges: function ChunkedStreamManager_requestRanges(ranges) {
- ranges = ranges || [];
- var chunksToRequest = [];
- for (var i = 0; i < ranges.length; i++) {
- var beginChunk = this.getBeginChunk(ranges[i].begin);
- var endChunk = this.getEndChunk(ranges[i].end);
- for (var chunk = beginChunk; chunk < endChunk; ++chunk) {
- if (chunksToRequest.indexOf(chunk) < 0) {
- chunksToRequest.push(chunk);
- }
- }
- }
- chunksToRequest.sort(function (a, b) {
- return a - b;
- });
- return this._requestChunks(chunksToRequest);
- },
- // Groups a sorted array of chunks into as few contiguous larger
- // chunks as possible
- groupChunks: function ChunkedStreamManager_groupChunks(chunks) {
- var groupedChunks = [];
- var beginChunk = -1;
- var prevChunk = -1;
- for (var i = 0; i < chunks.length; ++i) {
- var chunk = chunks[i];
- if (beginChunk < 0) {
- beginChunk = chunk;
- }
- if (prevChunk >= 0 && prevChunk + 1 !== chunk) {
- groupedChunks.push({
- beginChunk: beginChunk,
- endChunk: prevChunk + 1
- });
- beginChunk = chunk;
- }
- if (i + 1 === chunks.length) {
- groupedChunks.push({
- beginChunk: beginChunk,
- endChunk: chunk + 1
- });
- }
- prevChunk = chunk;
- }
- return groupedChunks;
- },
- onProgress: function ChunkedStreamManager_onProgress(args) {
- var bytesLoaded = this.stream.numChunksLoaded * this.chunkSize + args.loaded;
- this.msgHandler.send('DocProgress', {
- loaded: bytesLoaded,
- total: this.length
- });
- },
- onReceiveData: function ChunkedStreamManager_onReceiveData(args) {
- var chunk = args.chunk;
- var isProgressive = args.begin === undefined;
- var begin = isProgressive ? this.progressiveDataLength : args.begin;
- var end = begin + chunk.byteLength;
- var beginChunk = Math.floor(begin / this.chunkSize);
- var endChunk = end < this.length ? Math.floor(end / this.chunkSize) : Math.ceil(end / this.chunkSize);
- if (isProgressive) {
- this.stream.onReceiveProgressiveData(chunk);
- this.progressiveDataLength = end;
- } else {
- this.stream.onReceiveData(begin, chunk);
- }
- if (this.stream.allChunksLoaded()) {
- this._loadedStreamCapability.resolve(this.stream);
- }
- var loadedRequests = [];
- var i, requestId;
- for (chunk = beginChunk; chunk < endChunk; ++chunk) {
- // The server might return more chunks than requested
- var requestIds = this.requestsByChunk[chunk] || [];
- delete this.requestsByChunk[chunk];
- for (i = 0; i < requestIds.length; ++i) {
- requestId = requestIds[i];
- var chunksNeeded = this.chunksNeededByRequest[requestId];
- if (chunk in chunksNeeded) {
- delete chunksNeeded[chunk];
- }
- if (!isEmptyObj(chunksNeeded)) {
- continue;
- }
- loadedRequests.push(requestId);
- }
- }
- // If there are no pending requests, automatically fetch the next
- // unfetched chunk of the PDF
- if (!this.disableAutoFetch && isEmptyObj(this.requestsByChunk)) {
- var nextEmptyChunk;
- if (this.stream.numChunksLoaded === 1) {
- // This is a special optimization so that after fetching the first
- // chunk, rather than fetching the second chunk, we fetch the last
- // chunk.
- var lastChunk = this.stream.numChunks - 1;
- if (!this.stream.hasChunk(lastChunk)) {
- nextEmptyChunk = lastChunk;
- }
- } else {
- nextEmptyChunk = this.stream.nextEmptyChunk(endChunk);
- }
- if (isInt(nextEmptyChunk)) {
- this._requestChunks([nextEmptyChunk]);
- }
- }
- for (i = 0; i < loadedRequests.length; ++i) {
- requestId = loadedRequests[i];
- var capability = this.promisesByRequest[requestId];
- delete this.promisesByRequest[requestId];
- capability.resolve();
- }
- this.msgHandler.send('DocProgress', {
- loaded: this.stream.numChunksLoaded * this.chunkSize,
- total: this.length
- });
- },
- onError: function ChunkedStreamManager_onError(err) {
- this._loadedStreamCapability.reject(err);
- },
- getBeginChunk: function ChunkedStreamManager_getBeginChunk(begin) {
- var chunk = Math.floor(begin / this.chunkSize);
- return chunk;
- },
- getEndChunk: function ChunkedStreamManager_getEndChunk(end) {
- var chunk = Math.floor((end - 1) / this.chunkSize) + 1;
- return chunk;
- },
- abort: function ChunkedStreamManager_abort() {
- this.aborted = true;
- if (this.pdfNetworkStream) {
- this.pdfNetworkStream.cancelAllRequests('abort');
- }
- for (var requestId in this.promisesByRequest) {
- var capability = this.promisesByRequest[requestId];
- capability.reject(new Error('Request was aborted'));
- }
- }
- };
- return ChunkedStreamManager;
- }();
- exports.ChunkedStream = ChunkedStream;
- exports.ChunkedStreamManager = ChunkedStreamManager;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreGlyphList = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var getLookupTableFactory = sharedUtil.getLookupTableFactory;
- var getGlyphsUnicode = getLookupTableFactory(function (t) {
- t['A'] = 0x0041;
- t['AE'] = 0x00C6;
- t['AEacute'] = 0x01FC;
- t['AEmacron'] = 0x01E2;
- t['AEsmall'] = 0xF7E6;
- t['Aacute'] = 0x00C1;
- t['Aacutesmall'] = 0xF7E1;
- t['Abreve'] = 0x0102;
- t['Abreveacute'] = 0x1EAE;
- t['Abrevecyrillic'] = 0x04D0;
- t['Abrevedotbelow'] = 0x1EB6;
- t['Abrevegrave'] = 0x1EB0;
- t['Abrevehookabove'] = 0x1EB2;
- t['Abrevetilde'] = 0x1EB4;
- t['Acaron'] = 0x01CD;
- t['Acircle'] = 0x24B6;
- t['Acircumflex'] = 0x00C2;
- t['Acircumflexacute'] = 0x1EA4;
- t['Acircumflexdotbelow'] = 0x1EAC;
- t['Acircumflexgrave'] = 0x1EA6;
- t['Acircumflexhookabove'] = 0x1EA8;
- t['Acircumflexsmall'] = 0xF7E2;
- t['Acircumflextilde'] = 0x1EAA;
- t['Acute'] = 0xF6C9;
- t['Acutesmall'] = 0xF7B4;
- t['Acyrillic'] = 0x0410;
- t['Adblgrave'] = 0x0200;
- t['Adieresis'] = 0x00C4;
- t['Adieresiscyrillic'] = 0x04D2;
- t['Adieresismacron'] = 0x01DE;
- t['Adieresissmall'] = 0xF7E4;
- t['Adotbelow'] = 0x1EA0;
- t['Adotmacron'] = 0x01E0;
- t['Agrave'] = 0x00C0;
- t['Agravesmall'] = 0xF7E0;
- t['Ahookabove'] = 0x1EA2;
- t['Aiecyrillic'] = 0x04D4;
- t['Ainvertedbreve'] = 0x0202;
- t['Alpha'] = 0x0391;
- t['Alphatonos'] = 0x0386;
- t['Amacron'] = 0x0100;
- t['Amonospace'] = 0xFF21;
- t['Aogonek'] = 0x0104;
- t['Aring'] = 0x00C5;
- t['Aringacute'] = 0x01FA;
- t['Aringbelow'] = 0x1E00;
- t['Aringsmall'] = 0xF7E5;
- t['Asmall'] = 0xF761;
- t['Atilde'] = 0x00C3;
- t['Atildesmall'] = 0xF7E3;
- t['Aybarmenian'] = 0x0531;
- t['B'] = 0x0042;
- t['Bcircle'] = 0x24B7;
- t['Bdotaccent'] = 0x1E02;
- t['Bdotbelow'] = 0x1E04;
- t['Becyrillic'] = 0x0411;
- t['Benarmenian'] = 0x0532;
- t['Beta'] = 0x0392;
- t['Bhook'] = 0x0181;
- t['Blinebelow'] = 0x1E06;
- t['Bmonospace'] = 0xFF22;
- t['Brevesmall'] = 0xF6F4;
- t['Bsmall'] = 0xF762;
- t['Btopbar'] = 0x0182;
- t['C'] = 0x0043;
- t['Caarmenian'] = 0x053E;
- t['Cacute'] = 0x0106;
- t['Caron'] = 0xF6CA;
- t['Caronsmall'] = 0xF6F5;
- t['Ccaron'] = 0x010C;
- t['Ccedilla'] = 0x00C7;
- t['Ccedillaacute'] = 0x1E08;
- t['Ccedillasmall'] = 0xF7E7;
- t['Ccircle'] = 0x24B8;
- t['Ccircumflex'] = 0x0108;
- t['Cdot'] = 0x010A;
- t['Cdotaccent'] = 0x010A;
- t['Cedillasmall'] = 0xF7B8;
- t['Chaarmenian'] = 0x0549;
- t['Cheabkhasiancyrillic'] = 0x04BC;
- t['Checyrillic'] = 0x0427;
- t['Chedescenderabkhasiancyrillic'] = 0x04BE;
- t['Chedescendercyrillic'] = 0x04B6;
- t['Chedieresiscyrillic'] = 0x04F4;
- t['Cheharmenian'] = 0x0543;
- t['Chekhakassiancyrillic'] = 0x04CB;
- t['Cheverticalstrokecyrillic'] = 0x04B8;
- t['Chi'] = 0x03A7;
- t['Chook'] = 0x0187;
- t['Circumflexsmall'] = 0xF6F6;
- t['Cmonospace'] = 0xFF23;
- t['Coarmenian'] = 0x0551;
- t['Csmall'] = 0xF763;
- t['D'] = 0x0044;
- t['DZ'] = 0x01F1;
- t['DZcaron'] = 0x01C4;
- t['Daarmenian'] = 0x0534;
- t['Dafrican'] = 0x0189;
- t['Dcaron'] = 0x010E;
- t['Dcedilla'] = 0x1E10;
- t['Dcircle'] = 0x24B9;
- t['Dcircumflexbelow'] = 0x1E12;
- t['Dcroat'] = 0x0110;
- t['Ddotaccent'] = 0x1E0A;
- t['Ddotbelow'] = 0x1E0C;
- t['Decyrillic'] = 0x0414;
- t['Deicoptic'] = 0x03EE;
- t['Delta'] = 0x2206;
- t['Deltagreek'] = 0x0394;
- t['Dhook'] = 0x018A;
- t['Dieresis'] = 0xF6CB;
- t['DieresisAcute'] = 0xF6CC;
- t['DieresisGrave'] = 0xF6CD;
- t['Dieresissmall'] = 0xF7A8;
- t['Digammagreek'] = 0x03DC;
- t['Djecyrillic'] = 0x0402;
- t['Dlinebelow'] = 0x1E0E;
- t['Dmonospace'] = 0xFF24;
- t['Dotaccentsmall'] = 0xF6F7;
- t['Dslash'] = 0x0110;
- t['Dsmall'] = 0xF764;
- t['Dtopbar'] = 0x018B;
- t['Dz'] = 0x01F2;
- t['Dzcaron'] = 0x01C5;
- t['Dzeabkhasiancyrillic'] = 0x04E0;
- t['Dzecyrillic'] = 0x0405;
- t['Dzhecyrillic'] = 0x040F;
- t['E'] = 0x0045;
- t['Eacute'] = 0x00C9;
- t['Eacutesmall'] = 0xF7E9;
- t['Ebreve'] = 0x0114;
- t['Ecaron'] = 0x011A;
- t['Ecedillabreve'] = 0x1E1C;
- t['Echarmenian'] = 0x0535;
- t['Ecircle'] = 0x24BA;
- t['Ecircumflex'] = 0x00CA;
- t['Ecircumflexacute'] = 0x1EBE;
- t['Ecircumflexbelow'] = 0x1E18;
- t['Ecircumflexdotbelow'] = 0x1EC6;
- t['Ecircumflexgrave'] = 0x1EC0;
- t['Ecircumflexhookabove'] = 0x1EC2;
- t['Ecircumflexsmall'] = 0xF7EA;
- t['Ecircumflextilde'] = 0x1EC4;
- t['Ecyrillic'] = 0x0404;
- t['Edblgrave'] = 0x0204;
- t['Edieresis'] = 0x00CB;
- t['Edieresissmall'] = 0xF7EB;
- t['Edot'] = 0x0116;
- t['Edotaccent'] = 0x0116;
- t['Edotbelow'] = 0x1EB8;
- t['Efcyrillic'] = 0x0424;
- t['Egrave'] = 0x00C8;
- t['Egravesmall'] = 0xF7E8;
- t['Eharmenian'] = 0x0537;
- t['Ehookabove'] = 0x1EBA;
- t['Eightroman'] = 0x2167;
- t['Einvertedbreve'] = 0x0206;
- t['Eiotifiedcyrillic'] = 0x0464;
- t['Elcyrillic'] = 0x041B;
- t['Elevenroman'] = 0x216A;
- t['Emacron'] = 0x0112;
- t['Emacronacute'] = 0x1E16;
- t['Emacrongrave'] = 0x1E14;
- t['Emcyrillic'] = 0x041C;
- t['Emonospace'] = 0xFF25;
- t['Encyrillic'] = 0x041D;
- t['Endescendercyrillic'] = 0x04A2;
- t['Eng'] = 0x014A;
- t['Enghecyrillic'] = 0x04A4;
- t['Enhookcyrillic'] = 0x04C7;
- t['Eogonek'] = 0x0118;
- t['Eopen'] = 0x0190;
- t['Epsilon'] = 0x0395;
- t['Epsilontonos'] = 0x0388;
- t['Ercyrillic'] = 0x0420;
- t['Ereversed'] = 0x018E;
- t['Ereversedcyrillic'] = 0x042D;
- t['Escyrillic'] = 0x0421;
- t['Esdescendercyrillic'] = 0x04AA;
- t['Esh'] = 0x01A9;
- t['Esmall'] = 0xF765;
- t['Eta'] = 0x0397;
- t['Etarmenian'] = 0x0538;
- t['Etatonos'] = 0x0389;
- t['Eth'] = 0x00D0;
- t['Ethsmall'] = 0xF7F0;
- t['Etilde'] = 0x1EBC;
- t['Etildebelow'] = 0x1E1A;
- t['Euro'] = 0x20AC;
- t['Ezh'] = 0x01B7;
- t['Ezhcaron'] = 0x01EE;
- t['Ezhreversed'] = 0x01B8;
- t['F'] = 0x0046;
- t['Fcircle'] = 0x24BB;
- t['Fdotaccent'] = 0x1E1E;
- t['Feharmenian'] = 0x0556;
- t['Feicoptic'] = 0x03E4;
- t['Fhook'] = 0x0191;
- t['Fitacyrillic'] = 0x0472;
- t['Fiveroman'] = 0x2164;
- t['Fmonospace'] = 0xFF26;
- t['Fourroman'] = 0x2163;
- t['Fsmall'] = 0xF766;
- t['G'] = 0x0047;
- t['GBsquare'] = 0x3387;
- t['Gacute'] = 0x01F4;
- t['Gamma'] = 0x0393;
- t['Gammaafrican'] = 0x0194;
- t['Gangiacoptic'] = 0x03EA;
- t['Gbreve'] = 0x011E;
- t['Gcaron'] = 0x01E6;
- t['Gcedilla'] = 0x0122;
- t['Gcircle'] = 0x24BC;
- t['Gcircumflex'] = 0x011C;
- t['Gcommaaccent'] = 0x0122;
- t['Gdot'] = 0x0120;
- t['Gdotaccent'] = 0x0120;
- t['Gecyrillic'] = 0x0413;
- t['Ghadarmenian'] = 0x0542;
- t['Ghemiddlehookcyrillic'] = 0x0494;
- t['Ghestrokecyrillic'] = 0x0492;
- t['Gheupturncyrillic'] = 0x0490;
- t['Ghook'] = 0x0193;
- t['Gimarmenian'] = 0x0533;
- t['Gjecyrillic'] = 0x0403;
- t['Gmacron'] = 0x1E20;
- t['Gmonospace'] = 0xFF27;
- t['Grave'] = 0xF6CE;
- t['Gravesmall'] = 0xF760;
- t['Gsmall'] = 0xF767;
- t['Gsmallhook'] = 0x029B;
- t['Gstroke'] = 0x01E4;
- t['H'] = 0x0048;
- t['H18533'] = 0x25CF;
- t['H18543'] = 0x25AA;
- t['H18551'] = 0x25AB;
- t['H22073'] = 0x25A1;
- t['HPsquare'] = 0x33CB;
- t['Haabkhasiancyrillic'] = 0x04A8;
- t['Hadescendercyrillic'] = 0x04B2;
- t['Hardsigncyrillic'] = 0x042A;
- t['Hbar'] = 0x0126;
- t['Hbrevebelow'] = 0x1E2A;
- t['Hcedilla'] = 0x1E28;
- t['Hcircle'] = 0x24BD;
- t['Hcircumflex'] = 0x0124;
- t['Hdieresis'] = 0x1E26;
- t['Hdotaccent'] = 0x1E22;
- t['Hdotbelow'] = 0x1E24;
- t['Hmonospace'] = 0xFF28;
- t['Hoarmenian'] = 0x0540;
- t['Horicoptic'] = 0x03E8;
- t['Hsmall'] = 0xF768;
- t['Hungarumlaut'] = 0xF6CF;
- t['Hungarumlautsmall'] = 0xF6F8;
- t['Hzsquare'] = 0x3390;
- t['I'] = 0x0049;
- t['IAcyrillic'] = 0x042F;
- t['IJ'] = 0x0132;
- t['IUcyrillic'] = 0x042E;
- t['Iacute'] = 0x00CD;
- t['Iacutesmall'] = 0xF7ED;
- t['Ibreve'] = 0x012C;
- t['Icaron'] = 0x01CF;
- t['Icircle'] = 0x24BE;
- t['Icircumflex'] = 0x00CE;
- t['Icircumflexsmall'] = 0xF7EE;
- t['Icyrillic'] = 0x0406;
- t['Idblgrave'] = 0x0208;
- t['Idieresis'] = 0x00CF;
- t['Idieresisacute'] = 0x1E2E;
- t['Idieresiscyrillic'] = 0x04E4;
- t['Idieresissmall'] = 0xF7EF;
- t['Idot'] = 0x0130;
- t['Idotaccent'] = 0x0130;
- t['Idotbelow'] = 0x1ECA;
- t['Iebrevecyrillic'] = 0x04D6;
- t['Iecyrillic'] = 0x0415;
- t['Ifraktur'] = 0x2111;
- t['Igrave'] = 0x00CC;
- t['Igravesmall'] = 0xF7EC;
- t['Ihookabove'] = 0x1EC8;
- t['Iicyrillic'] = 0x0418;
- t['Iinvertedbreve'] = 0x020A;
- t['Iishortcyrillic'] = 0x0419;
- t['Imacron'] = 0x012A;
- t['Imacroncyrillic'] = 0x04E2;
- t['Imonospace'] = 0xFF29;
- t['Iniarmenian'] = 0x053B;
- t['Iocyrillic'] = 0x0401;
- t['Iogonek'] = 0x012E;
- t['Iota'] = 0x0399;
- t['Iotaafrican'] = 0x0196;
- t['Iotadieresis'] = 0x03AA;
- t['Iotatonos'] = 0x038A;
- t['Ismall'] = 0xF769;
- t['Istroke'] = 0x0197;
- t['Itilde'] = 0x0128;
- t['Itildebelow'] = 0x1E2C;
- t['Izhitsacyrillic'] = 0x0474;
- t['Izhitsadblgravecyrillic'] = 0x0476;
- t['J'] = 0x004A;
- t['Jaarmenian'] = 0x0541;
- t['Jcircle'] = 0x24BF;
- t['Jcircumflex'] = 0x0134;
- t['Jecyrillic'] = 0x0408;
- t['Jheharmenian'] = 0x054B;
- t['Jmonospace'] = 0xFF2A;
- t['Jsmall'] = 0xF76A;
- t['K'] = 0x004B;
- t['KBsquare'] = 0x3385;
- t['KKsquare'] = 0x33CD;
- t['Kabashkircyrillic'] = 0x04A0;
- t['Kacute'] = 0x1E30;
- t['Kacyrillic'] = 0x041A;
- t['Kadescendercyrillic'] = 0x049A;
- t['Kahookcyrillic'] = 0x04C3;
- t['Kappa'] = 0x039A;
- t['Kastrokecyrillic'] = 0x049E;
- t['Kaverticalstrokecyrillic'] = 0x049C;
- t['Kcaron'] = 0x01E8;
- t['Kcedilla'] = 0x0136;
- t['Kcircle'] = 0x24C0;
- t['Kcommaaccent'] = 0x0136;
- t['Kdotbelow'] = 0x1E32;
- t['Keharmenian'] = 0x0554;
- t['Kenarmenian'] = 0x053F;
- t['Khacyrillic'] = 0x0425;
- t['Kheicoptic'] = 0x03E6;
- t['Khook'] = 0x0198;
- t['Kjecyrillic'] = 0x040C;
- t['Klinebelow'] = 0x1E34;
- t['Kmonospace'] = 0xFF2B;
- t['Koppacyrillic'] = 0x0480;
- t['Koppagreek'] = 0x03DE;
- t['Ksicyrillic'] = 0x046E;
- t['Ksmall'] = 0xF76B;
- t['L'] = 0x004C;
- t['LJ'] = 0x01C7;
- t['LL'] = 0xF6BF;
- t['Lacute'] = 0x0139;
- t['Lambda'] = 0x039B;
- t['Lcaron'] = 0x013D;
- t['Lcedilla'] = 0x013B;
- t['Lcircle'] = 0x24C1;
- t['Lcircumflexbelow'] = 0x1E3C;
- t['Lcommaaccent'] = 0x013B;
- t['Ldot'] = 0x013F;
- t['Ldotaccent'] = 0x013F;
- t['Ldotbelow'] = 0x1E36;
- t['Ldotbelowmacron'] = 0x1E38;
- t['Liwnarmenian'] = 0x053C;
- t['Lj'] = 0x01C8;
- t['Ljecyrillic'] = 0x0409;
- t['Llinebelow'] = 0x1E3A;
- t['Lmonospace'] = 0xFF2C;
- t['Lslash'] = 0x0141;
- t['Lslashsmall'] = 0xF6F9;
- t['Lsmall'] = 0xF76C;
- t['M'] = 0x004D;
- t['MBsquare'] = 0x3386;
- t['Macron'] = 0xF6D0;
- t['Macronsmall'] = 0xF7AF;
- t['Macute'] = 0x1E3E;
- t['Mcircle'] = 0x24C2;
- t['Mdotaccent'] = 0x1E40;
- t['Mdotbelow'] = 0x1E42;
- t['Menarmenian'] = 0x0544;
- t['Mmonospace'] = 0xFF2D;
- t['Msmall'] = 0xF76D;
- t['Mturned'] = 0x019C;
- t['Mu'] = 0x039C;
- t['N'] = 0x004E;
- t['NJ'] = 0x01CA;
- t['Nacute'] = 0x0143;
- t['Ncaron'] = 0x0147;
- t['Ncedilla'] = 0x0145;
- t['Ncircle'] = 0x24C3;
- t['Ncircumflexbelow'] = 0x1E4A;
- t['Ncommaaccent'] = 0x0145;
- t['Ndotaccent'] = 0x1E44;
- t['Ndotbelow'] = 0x1E46;
- t['Nhookleft'] = 0x019D;
- t['Nineroman'] = 0x2168;
- t['Nj'] = 0x01CB;
- t['Njecyrillic'] = 0x040A;
- t['Nlinebelow'] = 0x1E48;
- t['Nmonospace'] = 0xFF2E;
- t['Nowarmenian'] = 0x0546;
- t['Nsmall'] = 0xF76E;
- t['Ntilde'] = 0x00D1;
- t['Ntildesmall'] = 0xF7F1;
- t['Nu'] = 0x039D;
- t['O'] = 0x004F;
- t['OE'] = 0x0152;
- t['OEsmall'] = 0xF6FA;
- t['Oacute'] = 0x00D3;
- t['Oacutesmall'] = 0xF7F3;
- t['Obarredcyrillic'] = 0x04E8;
- t['Obarreddieresiscyrillic'] = 0x04EA;
- t['Obreve'] = 0x014E;
- t['Ocaron'] = 0x01D1;
- t['Ocenteredtilde'] = 0x019F;
- t['Ocircle'] = 0x24C4;
- t['Ocircumflex'] = 0x00D4;
- t['Ocircumflexacute'] = 0x1ED0;
- t['Ocircumflexdotbelow'] = 0x1ED8;
- t['Ocircumflexgrave'] = 0x1ED2;
- t['Ocircumflexhookabove'] = 0x1ED4;
- t['Ocircumflexsmall'] = 0xF7F4;
- t['Ocircumflextilde'] = 0x1ED6;
- t['Ocyrillic'] = 0x041E;
- t['Odblacute'] = 0x0150;
- t['Odblgrave'] = 0x020C;
- t['Odieresis'] = 0x00D6;
- t['Odieresiscyrillic'] = 0x04E6;
- t['Odieresissmall'] = 0xF7F6;
- t['Odotbelow'] = 0x1ECC;
- t['Ogoneksmall'] = 0xF6FB;
- t['Ograve'] = 0x00D2;
- t['Ogravesmall'] = 0xF7F2;
- t['Oharmenian'] = 0x0555;
- t['Ohm'] = 0x2126;
- t['Ohookabove'] = 0x1ECE;
- t['Ohorn'] = 0x01A0;
- t['Ohornacute'] = 0x1EDA;
- t['Ohorndotbelow'] = 0x1EE2;
- t['Ohorngrave'] = 0x1EDC;
- t['Ohornhookabove'] = 0x1EDE;
- t['Ohorntilde'] = 0x1EE0;
- t['Ohungarumlaut'] = 0x0150;
- t['Oi'] = 0x01A2;
- t['Oinvertedbreve'] = 0x020E;
- t['Omacron'] = 0x014C;
- t['Omacronacute'] = 0x1E52;
- t['Omacrongrave'] = 0x1E50;
- t['Omega'] = 0x2126;
- t['Omegacyrillic'] = 0x0460;
- t['Omegagreek'] = 0x03A9;
- t['Omegaroundcyrillic'] = 0x047A;
- t['Omegatitlocyrillic'] = 0x047C;
- t['Omegatonos'] = 0x038F;
- t['Omicron'] = 0x039F;
- t['Omicrontonos'] = 0x038C;
- t['Omonospace'] = 0xFF2F;
- t['Oneroman'] = 0x2160;
- t['Oogonek'] = 0x01EA;
- t['Oogonekmacron'] = 0x01EC;
- t['Oopen'] = 0x0186;
- t['Oslash'] = 0x00D8;
- t['Oslashacute'] = 0x01FE;
- t['Oslashsmall'] = 0xF7F8;
- t['Osmall'] = 0xF76F;
- t['Ostrokeacute'] = 0x01FE;
- t['Otcyrillic'] = 0x047E;
- t['Otilde'] = 0x00D5;
- t['Otildeacute'] = 0x1E4C;
- t['Otildedieresis'] = 0x1E4E;
- t['Otildesmall'] = 0xF7F5;
- t['P'] = 0x0050;
- t['Pacute'] = 0x1E54;
- t['Pcircle'] = 0x24C5;
- t['Pdotaccent'] = 0x1E56;
- t['Pecyrillic'] = 0x041F;
- t['Peharmenian'] = 0x054A;
- t['Pemiddlehookcyrillic'] = 0x04A6;
- t['Phi'] = 0x03A6;
- t['Phook'] = 0x01A4;
- t['Pi'] = 0x03A0;
- t['Piwrarmenian'] = 0x0553;
- t['Pmonospace'] = 0xFF30;
- t['Psi'] = 0x03A8;
- t['Psicyrillic'] = 0x0470;
- t['Psmall'] = 0xF770;
- t['Q'] = 0x0051;
- t['Qcircle'] = 0x24C6;
- t['Qmonospace'] = 0xFF31;
- t['Qsmall'] = 0xF771;
- t['R'] = 0x0052;
- t['Raarmenian'] = 0x054C;
- t['Racute'] = 0x0154;
- t['Rcaron'] = 0x0158;
- t['Rcedilla'] = 0x0156;
- t['Rcircle'] = 0x24C7;
- t['Rcommaaccent'] = 0x0156;
- t['Rdblgrave'] = 0x0210;
- t['Rdotaccent'] = 0x1E58;
- t['Rdotbelow'] = 0x1E5A;
- t['Rdotbelowmacron'] = 0x1E5C;
- t['Reharmenian'] = 0x0550;
- t['Rfraktur'] = 0x211C;
- t['Rho'] = 0x03A1;
- t['Ringsmall'] = 0xF6FC;
- t['Rinvertedbreve'] = 0x0212;
- t['Rlinebelow'] = 0x1E5E;
- t['Rmonospace'] = 0xFF32;
- t['Rsmall'] = 0xF772;
- t['Rsmallinverted'] = 0x0281;
- t['Rsmallinvertedsuperior'] = 0x02B6;
- t['S'] = 0x0053;
- t['SF010000'] = 0x250C;
- t['SF020000'] = 0x2514;
- t['SF030000'] = 0x2510;
- t['SF040000'] = 0x2518;
- t['SF050000'] = 0x253C;
- t['SF060000'] = 0x252C;
- t['SF070000'] = 0x2534;
- t['SF080000'] = 0x251C;
- t['SF090000'] = 0x2524;
- t['SF100000'] = 0x2500;
- t['SF110000'] = 0x2502;
- t['SF190000'] = 0x2561;
- t['SF200000'] = 0x2562;
- t['SF210000'] = 0x2556;
- t['SF220000'] = 0x2555;
- t['SF230000'] = 0x2563;
- t['SF240000'] = 0x2551;
- t['SF250000'] = 0x2557;
- t['SF260000'] = 0x255D;
- t['SF270000'] = 0x255C;
- t['SF280000'] = 0x255B;
- t['SF360000'] = 0x255E;
- t['SF370000'] = 0x255F;
- t['SF380000'] = 0x255A;
- t['SF390000'] = 0x2554;
- t['SF400000'] = 0x2569;
- t['SF410000'] = 0x2566;
- t['SF420000'] = 0x2560;
- t['SF430000'] = 0x2550;
- t['SF440000'] = 0x256C;
- t['SF450000'] = 0x2567;
- t['SF460000'] = 0x2568;
- t['SF470000'] = 0x2564;
- t['SF480000'] = 0x2565;
- t['SF490000'] = 0x2559;
- t['SF500000'] = 0x2558;
- t['SF510000'] = 0x2552;
- t['SF520000'] = 0x2553;
- t['SF530000'] = 0x256B;
- t['SF540000'] = 0x256A;
- t['Sacute'] = 0x015A;
- t['Sacutedotaccent'] = 0x1E64;
- t['Sampigreek'] = 0x03E0;
- t['Scaron'] = 0x0160;
- t['Scarondotaccent'] = 0x1E66;
- t['Scaronsmall'] = 0xF6FD;
- t['Scedilla'] = 0x015E;
- t['Schwa'] = 0x018F;
- t['Schwacyrillic'] = 0x04D8;
- t['Schwadieresiscyrillic'] = 0x04DA;
- t['Scircle'] = 0x24C8;
- t['Scircumflex'] = 0x015C;
- t['Scommaaccent'] = 0x0218;
- t['Sdotaccent'] = 0x1E60;
- t['Sdotbelow'] = 0x1E62;
- t['Sdotbelowdotaccent'] = 0x1E68;
- t['Seharmenian'] = 0x054D;
- t['Sevenroman'] = 0x2166;
- t['Shaarmenian'] = 0x0547;
- t['Shacyrillic'] = 0x0428;
- t['Shchacyrillic'] = 0x0429;
- t['Sheicoptic'] = 0x03E2;
- t['Shhacyrillic'] = 0x04BA;
- t['Shimacoptic'] = 0x03EC;
- t['Sigma'] = 0x03A3;
- t['Sixroman'] = 0x2165;
- t['Smonospace'] = 0xFF33;
- t['Softsigncyrillic'] = 0x042C;
- t['Ssmall'] = 0xF773;
- t['Stigmagreek'] = 0x03DA;
- t['T'] = 0x0054;
- t['Tau'] = 0x03A4;
- t['Tbar'] = 0x0166;
- t['Tcaron'] = 0x0164;
- t['Tcedilla'] = 0x0162;
- t['Tcircle'] = 0x24C9;
- t['Tcircumflexbelow'] = 0x1E70;
- t['Tcommaaccent'] = 0x0162;
- t['Tdotaccent'] = 0x1E6A;
- t['Tdotbelow'] = 0x1E6C;
- t['Tecyrillic'] = 0x0422;
- t['Tedescendercyrillic'] = 0x04AC;
- t['Tenroman'] = 0x2169;
- t['Tetsecyrillic'] = 0x04B4;
- t['Theta'] = 0x0398;
- t['Thook'] = 0x01AC;
- t['Thorn'] = 0x00DE;
- t['Thornsmall'] = 0xF7FE;
- t['Threeroman'] = 0x2162;
- t['Tildesmall'] = 0xF6FE;
- t['Tiwnarmenian'] = 0x054F;
- t['Tlinebelow'] = 0x1E6E;
- t['Tmonospace'] = 0xFF34;
- t['Toarmenian'] = 0x0539;
- t['Tonefive'] = 0x01BC;
- t['Tonesix'] = 0x0184;
- t['Tonetwo'] = 0x01A7;
- t['Tretroflexhook'] = 0x01AE;
- t['Tsecyrillic'] = 0x0426;
- t['Tshecyrillic'] = 0x040B;
- t['Tsmall'] = 0xF774;
- t['Twelveroman'] = 0x216B;
- t['Tworoman'] = 0x2161;
- t['U'] = 0x0055;
- t['Uacute'] = 0x00DA;
- t['Uacutesmall'] = 0xF7FA;
- t['Ubreve'] = 0x016C;
- t['Ucaron'] = 0x01D3;
- t['Ucircle'] = 0x24CA;
- t['Ucircumflex'] = 0x00DB;
- t['Ucircumflexbelow'] = 0x1E76;
- t['Ucircumflexsmall'] = 0xF7FB;
- t['Ucyrillic'] = 0x0423;
- t['Udblacute'] = 0x0170;
- t['Udblgrave'] = 0x0214;
- t['Udieresis'] = 0x00DC;
- t['Udieresisacute'] = 0x01D7;
- t['Udieresisbelow'] = 0x1E72;
- t['Udieresiscaron'] = 0x01D9;
- t['Udieresiscyrillic'] = 0x04F0;
- t['Udieresisgrave'] = 0x01DB;
- t['Udieresismacron'] = 0x01D5;
- t['Udieresissmall'] = 0xF7FC;
- t['Udotbelow'] = 0x1EE4;
- t['Ugrave'] = 0x00D9;
- t['Ugravesmall'] = 0xF7F9;
- t['Uhookabove'] = 0x1EE6;
- t['Uhorn'] = 0x01AF;
- t['Uhornacute'] = 0x1EE8;
- t['Uhorndotbelow'] = 0x1EF0;
- t['Uhorngrave'] = 0x1EEA;
- t['Uhornhookabove'] = 0x1EEC;
- t['Uhorntilde'] = 0x1EEE;
- t['Uhungarumlaut'] = 0x0170;
- t['Uhungarumlautcyrillic'] = 0x04F2;
- t['Uinvertedbreve'] = 0x0216;
- t['Ukcyrillic'] = 0x0478;
- t['Umacron'] = 0x016A;
- t['Umacroncyrillic'] = 0x04EE;
- t['Umacrondieresis'] = 0x1E7A;
- t['Umonospace'] = 0xFF35;
- t['Uogonek'] = 0x0172;
- t['Upsilon'] = 0x03A5;
- t['Upsilon1'] = 0x03D2;
- t['Upsilonacutehooksymbolgreek'] = 0x03D3;
- t['Upsilonafrican'] = 0x01B1;
- t['Upsilondieresis'] = 0x03AB;
- t['Upsilondieresishooksymbolgreek'] = 0x03D4;
- t['Upsilonhooksymbol'] = 0x03D2;
- t['Upsilontonos'] = 0x038E;
- t['Uring'] = 0x016E;
- t['Ushortcyrillic'] = 0x040E;
- t['Usmall'] = 0xF775;
- t['Ustraightcyrillic'] = 0x04AE;
- t['Ustraightstrokecyrillic'] = 0x04B0;
- t['Utilde'] = 0x0168;
- t['Utildeacute'] = 0x1E78;
- t['Utildebelow'] = 0x1E74;
- t['V'] = 0x0056;
- t['Vcircle'] = 0x24CB;
- t['Vdotbelow'] = 0x1E7E;
- t['Vecyrillic'] = 0x0412;
- t['Vewarmenian'] = 0x054E;
- t['Vhook'] = 0x01B2;
- t['Vmonospace'] = 0xFF36;
- t['Voarmenian'] = 0x0548;
- t['Vsmall'] = 0xF776;
- t['Vtilde'] = 0x1E7C;
- t['W'] = 0x0057;
- t['Wacute'] = 0x1E82;
- t['Wcircle'] = 0x24CC;
- t['Wcircumflex'] = 0x0174;
- t['Wdieresis'] = 0x1E84;
- t['Wdotaccent'] = 0x1E86;
- t['Wdotbelow'] = 0x1E88;
- t['Wgrave'] = 0x1E80;
- t['Wmonospace'] = 0xFF37;
- t['Wsmall'] = 0xF777;
- t['X'] = 0x0058;
- t['Xcircle'] = 0x24CD;
- t['Xdieresis'] = 0x1E8C;
- t['Xdotaccent'] = 0x1E8A;
- t['Xeharmenian'] = 0x053D;
- t['Xi'] = 0x039E;
- t['Xmonospace'] = 0xFF38;
- t['Xsmall'] = 0xF778;
- t['Y'] = 0x0059;
- t['Yacute'] = 0x00DD;
- t['Yacutesmall'] = 0xF7FD;
- t['Yatcyrillic'] = 0x0462;
- t['Ycircle'] = 0x24CE;
- t['Ycircumflex'] = 0x0176;
- t['Ydieresis'] = 0x0178;
- t['Ydieresissmall'] = 0xF7FF;
- t['Ydotaccent'] = 0x1E8E;
- t['Ydotbelow'] = 0x1EF4;
- t['Yericyrillic'] = 0x042B;
- t['Yerudieresiscyrillic'] = 0x04F8;
- t['Ygrave'] = 0x1EF2;
- t['Yhook'] = 0x01B3;
- t['Yhookabove'] = 0x1EF6;
- t['Yiarmenian'] = 0x0545;
- t['Yicyrillic'] = 0x0407;
- t['Yiwnarmenian'] = 0x0552;
- t['Ymonospace'] = 0xFF39;
- t['Ysmall'] = 0xF779;
- t['Ytilde'] = 0x1EF8;
- t['Yusbigcyrillic'] = 0x046A;
- t['Yusbigiotifiedcyrillic'] = 0x046C;
- t['Yuslittlecyrillic'] = 0x0466;
- t['Yuslittleiotifiedcyrillic'] = 0x0468;
- t['Z'] = 0x005A;
- t['Zaarmenian'] = 0x0536;
- t['Zacute'] = 0x0179;
- t['Zcaron'] = 0x017D;
- t['Zcaronsmall'] = 0xF6FF;
- t['Zcircle'] = 0x24CF;
- t['Zcircumflex'] = 0x1E90;
- t['Zdot'] = 0x017B;
- t['Zdotaccent'] = 0x017B;
- t['Zdotbelow'] = 0x1E92;
- t['Zecyrillic'] = 0x0417;
- t['Zedescendercyrillic'] = 0x0498;
- t['Zedieresiscyrillic'] = 0x04DE;
- t['Zeta'] = 0x0396;
- t['Zhearmenian'] = 0x053A;
- t['Zhebrevecyrillic'] = 0x04C1;
- t['Zhecyrillic'] = 0x0416;
- t['Zhedescendercyrillic'] = 0x0496;
- t['Zhedieresiscyrillic'] = 0x04DC;
- t['Zlinebelow'] = 0x1E94;
- t['Zmonospace'] = 0xFF3A;
- t['Zsmall'] = 0xF77A;
- t['Zstroke'] = 0x01B5;
- t['a'] = 0x0061;
- t['aabengali'] = 0x0986;
- t['aacute'] = 0x00E1;
- t['aadeva'] = 0x0906;
- t['aagujarati'] = 0x0A86;
- t['aagurmukhi'] = 0x0A06;
- t['aamatragurmukhi'] = 0x0A3E;
- t['aarusquare'] = 0x3303;
- t['aavowelsignbengali'] = 0x09BE;
- t['aavowelsigndeva'] = 0x093E;
- t['aavowelsigngujarati'] = 0x0ABE;
- t['abbreviationmarkarmenian'] = 0x055F;
- t['abbreviationsigndeva'] = 0x0970;
- t['abengali'] = 0x0985;
- t['abopomofo'] = 0x311A;
- t['abreve'] = 0x0103;
- t['abreveacute'] = 0x1EAF;
- t['abrevecyrillic'] = 0x04D1;
- t['abrevedotbelow'] = 0x1EB7;
- t['abrevegrave'] = 0x1EB1;
- t['abrevehookabove'] = 0x1EB3;
- t['abrevetilde'] = 0x1EB5;
- t['acaron'] = 0x01CE;
- t['acircle'] = 0x24D0;
- t['acircumflex'] = 0x00E2;
- t['acircumflexacute'] = 0x1EA5;
- t['acircumflexdotbelow'] = 0x1EAD;
- t['acircumflexgrave'] = 0x1EA7;
- t['acircumflexhookabove'] = 0x1EA9;
- t['acircumflextilde'] = 0x1EAB;
- t['acute'] = 0x00B4;
- t['acutebelowcmb'] = 0x0317;
- t['acutecmb'] = 0x0301;
- t['acutecomb'] = 0x0301;
- t['acutedeva'] = 0x0954;
- t['acutelowmod'] = 0x02CF;
- t['acutetonecmb'] = 0x0341;
- t['acyrillic'] = 0x0430;
- t['adblgrave'] = 0x0201;
- t['addakgurmukhi'] = 0x0A71;
- t['adeva'] = 0x0905;
- t['adieresis'] = 0x00E4;
- t['adieresiscyrillic'] = 0x04D3;
- t['adieresismacron'] = 0x01DF;
- t['adotbelow'] = 0x1EA1;
- t['adotmacron'] = 0x01E1;
- t['ae'] = 0x00E6;
- t['aeacute'] = 0x01FD;
- t['aekorean'] = 0x3150;
- t['aemacron'] = 0x01E3;
- t['afii00208'] = 0x2015;
- t['afii08941'] = 0x20A4;
- t['afii10017'] = 0x0410;
- t['afii10018'] = 0x0411;
- t['afii10019'] = 0x0412;
- t['afii10020'] = 0x0413;
- t['afii10021'] = 0x0414;
- t['afii10022'] = 0x0415;
- t['afii10023'] = 0x0401;
- t['afii10024'] = 0x0416;
- t['afii10025'] = 0x0417;
- t['afii10026'] = 0x0418;
- t['afii10027'] = 0x0419;
- t['afii10028'] = 0x041A;
- t['afii10029'] = 0x041B;
- t['afii10030'] = 0x041C;
- t['afii10031'] = 0x041D;
- t['afii10032'] = 0x041E;
- t['afii10033'] = 0x041F;
- t['afii10034'] = 0x0420;
- t['afii10035'] = 0x0421;
- t['afii10036'] = 0x0422;
- t['afii10037'] = 0x0423;
- t['afii10038'] = 0x0424;
- t['afii10039'] = 0x0425;
- t['afii10040'] = 0x0426;
- t['afii10041'] = 0x0427;
- t['afii10042'] = 0x0428;
- t['afii10043'] = 0x0429;
- t['afii10044'] = 0x042A;
- t['afii10045'] = 0x042B;
- t['afii10046'] = 0x042C;
- t['afii10047'] = 0x042D;
- t['afii10048'] = 0x042E;
- t['afii10049'] = 0x042F;
- t['afii10050'] = 0x0490;
- t['afii10051'] = 0x0402;
- t['afii10052'] = 0x0403;
- t['afii10053'] = 0x0404;
- t['afii10054'] = 0x0405;
- t['afii10055'] = 0x0406;
- t['afii10056'] = 0x0407;
- t['afii10057'] = 0x0408;
- t['afii10058'] = 0x0409;
- t['afii10059'] = 0x040A;
- t['afii10060'] = 0x040B;
- t['afii10061'] = 0x040C;
- t['afii10062'] = 0x040E;
- t['afii10063'] = 0xF6C4;
- t['afii10064'] = 0xF6C5;
- t['afii10065'] = 0x0430;
- t['afii10066'] = 0x0431;
- t['afii10067'] = 0x0432;
- t['afii10068'] = 0x0433;
- t['afii10069'] = 0x0434;
- t['afii10070'] = 0x0435;
- t['afii10071'] = 0x0451;
- t['afii10072'] = 0x0436;
- t['afii10073'] = 0x0437;
- t['afii10074'] = 0x0438;
- t['afii10075'] = 0x0439;
- t['afii10076'] = 0x043A;
- t['afii10077'] = 0x043B;
- t['afii10078'] = 0x043C;
- t['afii10079'] = 0x043D;
- t['afii10080'] = 0x043E;
- t['afii10081'] = 0x043F;
- t['afii10082'] = 0x0440;
- t['afii10083'] = 0x0441;
- t['afii10084'] = 0x0442;
- t['afii10085'] = 0x0443;
- t['afii10086'] = 0x0444;
- t['afii10087'] = 0x0445;
- t['afii10088'] = 0x0446;
- t['afii10089'] = 0x0447;
- t['afii10090'] = 0x0448;
- t['afii10091'] = 0x0449;
- t['afii10092'] = 0x044A;
- t['afii10093'] = 0x044B;
- t['afii10094'] = 0x044C;
- t['afii10095'] = 0x044D;
- t['afii10096'] = 0x044E;
- t['afii10097'] = 0x044F;
- t['afii10098'] = 0x0491;
- t['afii10099'] = 0x0452;
- t['afii10100'] = 0x0453;
- t['afii10101'] = 0x0454;
- t['afii10102'] = 0x0455;
- t['afii10103'] = 0x0456;
- t['afii10104'] = 0x0457;
- t['afii10105'] = 0x0458;
- t['afii10106'] = 0x0459;
- t['afii10107'] = 0x045A;
- t['afii10108'] = 0x045B;
- t['afii10109'] = 0x045C;
- t['afii10110'] = 0x045E;
- t['afii10145'] = 0x040F;
- t['afii10146'] = 0x0462;
- t['afii10147'] = 0x0472;
- t['afii10148'] = 0x0474;
- t['afii10192'] = 0xF6C6;
- t['afii10193'] = 0x045F;
- t['afii10194'] = 0x0463;
- t['afii10195'] = 0x0473;
- t['afii10196'] = 0x0475;
- t['afii10831'] = 0xF6C7;
- t['afii10832'] = 0xF6C8;
- t['afii10846'] = 0x04D9;
- t['afii299'] = 0x200E;
- t['afii300'] = 0x200F;
- t['afii301'] = 0x200D;
- t['afii57381'] = 0x066A;
- t['afii57388'] = 0x060C;
- t['afii57392'] = 0x0660;
- t['afii57393'] = 0x0661;
- t['afii57394'] = 0x0662;
- t['afii57395'] = 0x0663;
- t['afii57396'] = 0x0664;
- t['afii57397'] = 0x0665;
- t['afii57398'] = 0x0666;
- t['afii57399'] = 0x0667;
- t['afii57400'] = 0x0668;
- t['afii57401'] = 0x0669;
- t['afii57403'] = 0x061B;
- t['afii57407'] = 0x061F;
- t['afii57409'] = 0x0621;
- t['afii57410'] = 0x0622;
- t['afii57411'] = 0x0623;
- t['afii57412'] = 0x0624;
- t['afii57413'] = 0x0625;
- t['afii57414'] = 0x0626;
- t['afii57415'] = 0x0627;
- t['afii57416'] = 0x0628;
- t['afii57417'] = 0x0629;
- t['afii57418'] = 0x062A;
- t['afii57419'] = 0x062B;
- t['afii57420'] = 0x062C;
- t['afii57421'] = 0x062D;
- t['afii57422'] = 0x062E;
- t['afii57423'] = 0x062F;
- t['afii57424'] = 0x0630;
- t['afii57425'] = 0x0631;
- t['afii57426'] = 0x0632;
- t['afii57427'] = 0x0633;
- t['afii57428'] = 0x0634;
- t['afii57429'] = 0x0635;
- t['afii57430'] = 0x0636;
- t['afii57431'] = 0x0637;
- t['afii57432'] = 0x0638;
- t['afii57433'] = 0x0639;
- t['afii57434'] = 0x063A;
- t['afii57440'] = 0x0640;
- t['afii57441'] = 0x0641;
- t['afii57442'] = 0x0642;
- t['afii57443'] = 0x0643;
- t['afii57444'] = 0x0644;
- t['afii57445'] = 0x0645;
- t['afii57446'] = 0x0646;
- t['afii57448'] = 0x0648;
- t['afii57449'] = 0x0649;
- t['afii57450'] = 0x064A;
- t['afii57451'] = 0x064B;
- t['afii57452'] = 0x064C;
- t['afii57453'] = 0x064D;
- t['afii57454'] = 0x064E;
- t['afii57455'] = 0x064F;
- t['afii57456'] = 0x0650;
- t['afii57457'] = 0x0651;
- t['afii57458'] = 0x0652;
- t['afii57470'] = 0x0647;
- t['afii57505'] = 0x06A4;
- t['afii57506'] = 0x067E;
- t['afii57507'] = 0x0686;
- t['afii57508'] = 0x0698;
- t['afii57509'] = 0x06AF;
- t['afii57511'] = 0x0679;
- t['afii57512'] = 0x0688;
- t['afii57513'] = 0x0691;
- t['afii57514'] = 0x06BA;
- t['afii57519'] = 0x06D2;
- t['afii57534'] = 0x06D5;
- t['afii57636'] = 0x20AA;
- t['afii57645'] = 0x05BE;
- t['afii57658'] = 0x05C3;
- t['afii57664'] = 0x05D0;
- t['afii57665'] = 0x05D1;
- t['afii57666'] = 0x05D2;
- t['afii57667'] = 0x05D3;
- t['afii57668'] = 0x05D4;
- t['afii57669'] = 0x05D5;
- t['afii57670'] = 0x05D6;
- t['afii57671'] = 0x05D7;
- t['afii57672'] = 0x05D8;
- t['afii57673'] = 0x05D9;
- t['afii57674'] = 0x05DA;
- t['afii57675'] = 0x05DB;
- t['afii57676'] = 0x05DC;
- t['afii57677'] = 0x05DD;
- t['afii57678'] = 0x05DE;
- t['afii57679'] = 0x05DF;
- t['afii57680'] = 0x05E0;
- t['afii57681'] = 0x05E1;
- t['afii57682'] = 0x05E2;
- t['afii57683'] = 0x05E3;
- t['afii57684'] = 0x05E4;
- t['afii57685'] = 0x05E5;
- t['afii57686'] = 0x05E6;
- t['afii57687'] = 0x05E7;
- t['afii57688'] = 0x05E8;
- t['afii57689'] = 0x05E9;
- t['afii57690'] = 0x05EA;
- t['afii57694'] = 0xFB2A;
- t['afii57695'] = 0xFB2B;
- t['afii57700'] = 0xFB4B;
- t['afii57705'] = 0xFB1F;
- t['afii57716'] = 0x05F0;
- t['afii57717'] = 0x05F1;
- t['afii57718'] = 0x05F2;
- t['afii57723'] = 0xFB35;
- t['afii57793'] = 0x05B4;
- t['afii57794'] = 0x05B5;
- t['afii57795'] = 0x05B6;
- t['afii57796'] = 0x05BB;
- t['afii57797'] = 0x05B8;
- t['afii57798'] = 0x05B7;
- t['afii57799'] = 0x05B0;
- t['afii57800'] = 0x05B2;
- t['afii57801'] = 0x05B1;
- t['afii57802'] = 0x05B3;
- t['afii57803'] = 0x05C2;
- t['afii57804'] = 0x05C1;
- t['afii57806'] = 0x05B9;
- t['afii57807'] = 0x05BC;
- t['afii57839'] = 0x05BD;
- t['afii57841'] = 0x05BF;
- t['afii57842'] = 0x05C0;
- t['afii57929'] = 0x02BC;
- t['afii61248'] = 0x2105;
- t['afii61289'] = 0x2113;
- t['afii61352'] = 0x2116;
- t['afii61573'] = 0x202C;
- t['afii61574'] = 0x202D;
- t['afii61575'] = 0x202E;
- t['afii61664'] = 0x200C;
- t['afii63167'] = 0x066D;
- t['afii64937'] = 0x02BD;
- t['agrave'] = 0x00E0;
- t['agujarati'] = 0x0A85;
- t['agurmukhi'] = 0x0A05;
- t['ahiragana'] = 0x3042;
- t['ahookabove'] = 0x1EA3;
- t['aibengali'] = 0x0990;
- t['aibopomofo'] = 0x311E;
- t['aideva'] = 0x0910;
- t['aiecyrillic'] = 0x04D5;
- t['aigujarati'] = 0x0A90;
- t['aigurmukhi'] = 0x0A10;
- t['aimatragurmukhi'] = 0x0A48;
- t['ainarabic'] = 0x0639;
- t['ainfinalarabic'] = 0xFECA;
- t['aininitialarabic'] = 0xFECB;
- t['ainmedialarabic'] = 0xFECC;
- t['ainvertedbreve'] = 0x0203;
- t['aivowelsignbengali'] = 0x09C8;
- t['aivowelsigndeva'] = 0x0948;
- t['aivowelsigngujarati'] = 0x0AC8;
- t['akatakana'] = 0x30A2;
- t['akatakanahalfwidth'] = 0xFF71;
- t['akorean'] = 0x314F;
- t['alef'] = 0x05D0;
- t['alefarabic'] = 0x0627;
- t['alefdageshhebrew'] = 0xFB30;
- t['aleffinalarabic'] = 0xFE8E;
- t['alefhamzaabovearabic'] = 0x0623;
- t['alefhamzaabovefinalarabic'] = 0xFE84;
- t['alefhamzabelowarabic'] = 0x0625;
- t['alefhamzabelowfinalarabic'] = 0xFE88;
- t['alefhebrew'] = 0x05D0;
- t['aleflamedhebrew'] = 0xFB4F;
- t['alefmaddaabovearabic'] = 0x0622;
- t['alefmaddaabovefinalarabic'] = 0xFE82;
- t['alefmaksuraarabic'] = 0x0649;
- t['alefmaksurafinalarabic'] = 0xFEF0;
- t['alefmaksurainitialarabic'] = 0xFEF3;
- t['alefmaksuramedialarabic'] = 0xFEF4;
- t['alefpatahhebrew'] = 0xFB2E;
- t['alefqamatshebrew'] = 0xFB2F;
- t['aleph'] = 0x2135;
- t['allequal'] = 0x224C;
- t['alpha'] = 0x03B1;
- t['alphatonos'] = 0x03AC;
- t['amacron'] = 0x0101;
- t['amonospace'] = 0xFF41;
- t['ampersand'] = 0x0026;
- t['ampersandmonospace'] = 0xFF06;
- t['ampersandsmall'] = 0xF726;
- t['amsquare'] = 0x33C2;
- t['anbopomofo'] = 0x3122;
- t['angbopomofo'] = 0x3124;
- t['angbracketleft'] = 0x3008;
- // Glyph is missing from Adobe's original list.
- t['angbracketright'] = 0x3009;
- // Glyph is missing from Adobe's original list.
- t['angkhankhuthai'] = 0x0E5A;
- t['angle'] = 0x2220;
- t['anglebracketleft'] = 0x3008;
- t['anglebracketleftvertical'] = 0xFE3F;
- t['anglebracketright'] = 0x3009;
- t['anglebracketrightvertical'] = 0xFE40;
- t['angleleft'] = 0x2329;
- t['angleright'] = 0x232A;
- t['angstrom'] = 0x212B;
- t['anoteleia'] = 0x0387;
- t['anudattadeva'] = 0x0952;
- t['anusvarabengali'] = 0x0982;
- t['anusvaradeva'] = 0x0902;
- t['anusvaragujarati'] = 0x0A82;
- t['aogonek'] = 0x0105;
- t['apaatosquare'] = 0x3300;
- t['aparen'] = 0x249C;
- t['apostrophearmenian'] = 0x055A;
- t['apostrophemod'] = 0x02BC;
- t['apple'] = 0xF8FF;
- t['approaches'] = 0x2250;
- t['approxequal'] = 0x2248;
- t['approxequalorimage'] = 0x2252;
- t['approximatelyequal'] = 0x2245;
- t['araeaekorean'] = 0x318E;
- t['araeakorean'] = 0x318D;
- t['arc'] = 0x2312;
- t['arighthalfring'] = 0x1E9A;
- t['aring'] = 0x00E5;
- t['aringacute'] = 0x01FB;
- t['aringbelow'] = 0x1E01;
- t['arrowboth'] = 0x2194;
- t['arrowdashdown'] = 0x21E3;
- t['arrowdashleft'] = 0x21E0;
- t['arrowdashright'] = 0x21E2;
- t['arrowdashup'] = 0x21E1;
- t['arrowdblboth'] = 0x21D4;
- t['arrowdbldown'] = 0x21D3;
- t['arrowdblleft'] = 0x21D0;
- t['arrowdblright'] = 0x21D2;
- t['arrowdblup'] = 0x21D1;
- t['arrowdown'] = 0x2193;
- t['arrowdownleft'] = 0x2199;
- t['arrowdownright'] = 0x2198;
- t['arrowdownwhite'] = 0x21E9;
- t['arrowheaddownmod'] = 0x02C5;
- t['arrowheadleftmod'] = 0x02C2;
- t['arrowheadrightmod'] = 0x02C3;
- t['arrowheadupmod'] = 0x02C4;
- t['arrowhorizex'] = 0xF8E7;
- t['arrowleft'] = 0x2190;
- t['arrowleftdbl'] = 0x21D0;
- t['arrowleftdblstroke'] = 0x21CD;
- t['arrowleftoverright'] = 0x21C6;
- t['arrowleftwhite'] = 0x21E6;
- t['arrowright'] = 0x2192;
- t['arrowrightdblstroke'] = 0x21CF;
- t['arrowrightheavy'] = 0x279E;
- t['arrowrightoverleft'] = 0x21C4;
- t['arrowrightwhite'] = 0x21E8;
- t['arrowtableft'] = 0x21E4;
- t['arrowtabright'] = 0x21E5;
- t['arrowup'] = 0x2191;
- t['arrowupdn'] = 0x2195;
- t['arrowupdnbse'] = 0x21A8;
- t['arrowupdownbase'] = 0x21A8;
- t['arrowupleft'] = 0x2196;
- t['arrowupleftofdown'] = 0x21C5;
- t['arrowupright'] = 0x2197;
- t['arrowupwhite'] = 0x21E7;
- t['arrowvertex'] = 0xF8E6;
- t['asciicircum'] = 0x005E;
- t['asciicircummonospace'] = 0xFF3E;
- t['asciitilde'] = 0x007E;
- t['asciitildemonospace'] = 0xFF5E;
- t['ascript'] = 0x0251;
- t['ascriptturned'] = 0x0252;
- t['asmallhiragana'] = 0x3041;
- t['asmallkatakana'] = 0x30A1;
- t['asmallkatakanahalfwidth'] = 0xFF67;
- t['asterisk'] = 0x002A;
- t['asteriskaltonearabic'] = 0x066D;
- t['asteriskarabic'] = 0x066D;
- t['asteriskmath'] = 0x2217;
- t['asteriskmonospace'] = 0xFF0A;
- t['asterisksmall'] = 0xFE61;
- t['asterism'] = 0x2042;
- t['asuperior'] = 0xF6E9;
- t['asymptoticallyequal'] = 0x2243;
- t['at'] = 0x0040;
- t['atilde'] = 0x00E3;
- t['atmonospace'] = 0xFF20;
- t['atsmall'] = 0xFE6B;
- t['aturned'] = 0x0250;
- t['aubengali'] = 0x0994;
- t['aubopomofo'] = 0x3120;
- t['audeva'] = 0x0914;
- t['augujarati'] = 0x0A94;
- t['augurmukhi'] = 0x0A14;
- t['aulengthmarkbengali'] = 0x09D7;
- t['aumatragurmukhi'] = 0x0A4C;
- t['auvowelsignbengali'] = 0x09CC;
- t['auvowelsigndeva'] = 0x094C;
- t['auvowelsigngujarati'] = 0x0ACC;
- t['avagrahadeva'] = 0x093D;
- t['aybarmenian'] = 0x0561;
- t['ayin'] = 0x05E2;
- t['ayinaltonehebrew'] = 0xFB20;
- t['ayinhebrew'] = 0x05E2;
- t['b'] = 0x0062;
- t['babengali'] = 0x09AC;
- t['backslash'] = 0x005C;
- t['backslashmonospace'] = 0xFF3C;
- t['badeva'] = 0x092C;
- t['bagujarati'] = 0x0AAC;
- t['bagurmukhi'] = 0x0A2C;
- t['bahiragana'] = 0x3070;
- t['bahtthai'] = 0x0E3F;
- t['bakatakana'] = 0x30D0;
- t['bar'] = 0x007C;
- t['barmonospace'] = 0xFF5C;
- t['bbopomofo'] = 0x3105;
- t['bcircle'] = 0x24D1;
- t['bdotaccent'] = 0x1E03;
- t['bdotbelow'] = 0x1E05;
- t['beamedsixteenthnotes'] = 0x266C;
- t['because'] = 0x2235;
- t['becyrillic'] = 0x0431;
- t['beharabic'] = 0x0628;
- t['behfinalarabic'] = 0xFE90;
- t['behinitialarabic'] = 0xFE91;
- t['behiragana'] = 0x3079;
- t['behmedialarabic'] = 0xFE92;
- t['behmeeminitialarabic'] = 0xFC9F;
- t['behmeemisolatedarabic'] = 0xFC08;
- t['behnoonfinalarabic'] = 0xFC6D;
- t['bekatakana'] = 0x30D9;
- t['benarmenian'] = 0x0562;
- t['bet'] = 0x05D1;
- t['beta'] = 0x03B2;
- t['betasymbolgreek'] = 0x03D0;
- t['betdagesh'] = 0xFB31;
- t['betdageshhebrew'] = 0xFB31;
- t['bethebrew'] = 0x05D1;
- t['betrafehebrew'] = 0xFB4C;
- t['bhabengali'] = 0x09AD;
- t['bhadeva'] = 0x092D;
- t['bhagujarati'] = 0x0AAD;
- t['bhagurmukhi'] = 0x0A2D;
- t['bhook'] = 0x0253;
- t['bihiragana'] = 0x3073;
- t['bikatakana'] = 0x30D3;
- t['bilabialclick'] = 0x0298;
- t['bindigurmukhi'] = 0x0A02;
- t['birusquare'] = 0x3331;
- t['blackcircle'] = 0x25CF;
- t['blackdiamond'] = 0x25C6;
- t['blackdownpointingtriangle'] = 0x25BC;
- t['blackleftpointingpointer'] = 0x25C4;
- t['blackleftpointingtriangle'] = 0x25C0;
- t['blacklenticularbracketleft'] = 0x3010;
- t['blacklenticularbracketleftvertical'] = 0xFE3B;
- t['blacklenticularbracketright'] = 0x3011;
- t['blacklenticularbracketrightvertical'] = 0xFE3C;
- t['blacklowerlefttriangle'] = 0x25E3;
- t['blacklowerrighttriangle'] = 0x25E2;
- t['blackrectangle'] = 0x25AC;
- t['blackrightpointingpointer'] = 0x25BA;
- t['blackrightpointingtriangle'] = 0x25B6;
- t['blacksmallsquare'] = 0x25AA;
- t['blacksmilingface'] = 0x263B;
- t['blacksquare'] = 0x25A0;
- t['blackstar'] = 0x2605;
- t['blackupperlefttriangle'] = 0x25E4;
- t['blackupperrighttriangle'] = 0x25E5;
- t['blackuppointingsmalltriangle'] = 0x25B4;
- t['blackuppointingtriangle'] = 0x25B2;
- t['blank'] = 0x2423;
- t['blinebelow'] = 0x1E07;
- t['block'] = 0x2588;
- t['bmonospace'] = 0xFF42;
- t['bobaimaithai'] = 0x0E1A;
- t['bohiragana'] = 0x307C;
- t['bokatakana'] = 0x30DC;
- t['bparen'] = 0x249D;
- t['bqsquare'] = 0x33C3;
- t['braceex'] = 0xF8F4;
- t['braceleft'] = 0x007B;
- t['braceleftbt'] = 0xF8F3;
- t['braceleftmid'] = 0xF8F2;
- t['braceleftmonospace'] = 0xFF5B;
- t['braceleftsmall'] = 0xFE5B;
- t['bracelefttp'] = 0xF8F1;
- t['braceleftvertical'] = 0xFE37;
- t['braceright'] = 0x007D;
- t['bracerightbt'] = 0xF8FE;
- t['bracerightmid'] = 0xF8FD;
- t['bracerightmonospace'] = 0xFF5D;
- t['bracerightsmall'] = 0xFE5C;
- t['bracerighttp'] = 0xF8FC;
- t['bracerightvertical'] = 0xFE38;
- t['bracketleft'] = 0x005B;
- t['bracketleftbt'] = 0xF8F0;
- t['bracketleftex'] = 0xF8EF;
- t['bracketleftmonospace'] = 0xFF3B;
- t['bracketlefttp'] = 0xF8EE;
- t['bracketright'] = 0x005D;
- t['bracketrightbt'] = 0xF8FB;
- t['bracketrightex'] = 0xF8FA;
- t['bracketrightmonospace'] = 0xFF3D;
- t['bracketrighttp'] = 0xF8F9;
- t['breve'] = 0x02D8;
- t['brevebelowcmb'] = 0x032E;
- t['brevecmb'] = 0x0306;
- t['breveinvertedbelowcmb'] = 0x032F;
- t['breveinvertedcmb'] = 0x0311;
- t['breveinverteddoublecmb'] = 0x0361;
- t['bridgebelowcmb'] = 0x032A;
- t['bridgeinvertedbelowcmb'] = 0x033A;
- t['brokenbar'] = 0x00A6;
- t['bstroke'] = 0x0180;
- t['bsuperior'] = 0xF6EA;
- t['btopbar'] = 0x0183;
- t['buhiragana'] = 0x3076;
- t['bukatakana'] = 0x30D6;
- t['bullet'] = 0x2022;
- t['bulletinverse'] = 0x25D8;
- t['bulletoperator'] = 0x2219;
- t['bullseye'] = 0x25CE;
- t['c'] = 0x0063;
- t['caarmenian'] = 0x056E;
- t['cabengali'] = 0x099A;
- t['cacute'] = 0x0107;
- t['cadeva'] = 0x091A;
- t['cagujarati'] = 0x0A9A;
- t['cagurmukhi'] = 0x0A1A;
- t['calsquare'] = 0x3388;
- t['candrabindubengali'] = 0x0981;
- t['candrabinducmb'] = 0x0310;
- t['candrabindudeva'] = 0x0901;
- t['candrabindugujarati'] = 0x0A81;
- t['capslock'] = 0x21EA;
- t['careof'] = 0x2105;
- t['caron'] = 0x02C7;
- t['caronbelowcmb'] = 0x032C;
- t['caroncmb'] = 0x030C;
- t['carriagereturn'] = 0x21B5;
- t['cbopomofo'] = 0x3118;
- t['ccaron'] = 0x010D;
- t['ccedilla'] = 0x00E7;
- t['ccedillaacute'] = 0x1E09;
- t['ccircle'] = 0x24D2;
- t['ccircumflex'] = 0x0109;
- t['ccurl'] = 0x0255;
- t['cdot'] = 0x010B;
- t['cdotaccent'] = 0x010B;
- t['cdsquare'] = 0x33C5;
- t['cedilla'] = 0x00B8;
- t['cedillacmb'] = 0x0327;
- t['cent'] = 0x00A2;
- t['centigrade'] = 0x2103;
- t['centinferior'] = 0xF6DF;
- t['centmonospace'] = 0xFFE0;
- t['centoldstyle'] = 0xF7A2;
- t['centsuperior'] = 0xF6E0;
- t['chaarmenian'] = 0x0579;
- t['chabengali'] = 0x099B;
- t['chadeva'] = 0x091B;
- t['chagujarati'] = 0x0A9B;
- t['chagurmukhi'] = 0x0A1B;
- t['chbopomofo'] = 0x3114;
- t['cheabkhasiancyrillic'] = 0x04BD;
- t['checkmark'] = 0x2713;
- t['checyrillic'] = 0x0447;
- t['chedescenderabkhasiancyrillic'] = 0x04BF;
- t['chedescendercyrillic'] = 0x04B7;
- t['chedieresiscyrillic'] = 0x04F5;
- t['cheharmenian'] = 0x0573;
- t['chekhakassiancyrillic'] = 0x04CC;
- t['cheverticalstrokecyrillic'] = 0x04B9;
- t['chi'] = 0x03C7;
- t['chieuchacirclekorean'] = 0x3277;
- t['chieuchaparenkorean'] = 0x3217;
- t['chieuchcirclekorean'] = 0x3269;
- t['chieuchkorean'] = 0x314A;
- t['chieuchparenkorean'] = 0x3209;
- t['chochangthai'] = 0x0E0A;
- t['chochanthai'] = 0x0E08;
- t['chochingthai'] = 0x0E09;
- t['chochoethai'] = 0x0E0C;
- t['chook'] = 0x0188;
- t['cieucacirclekorean'] = 0x3276;
- t['cieucaparenkorean'] = 0x3216;
- t['cieuccirclekorean'] = 0x3268;
- t['cieuckorean'] = 0x3148;
- t['cieucparenkorean'] = 0x3208;
- t['cieucuparenkorean'] = 0x321C;
- t['circle'] = 0x25CB;
- t['circlecopyrt'] = 0x00A9;
- // Glyph is missing from Adobe's original list.
- t['circlemultiply'] = 0x2297;
- t['circleot'] = 0x2299;
- t['circleplus'] = 0x2295;
- t['circlepostalmark'] = 0x3036;
- t['circlewithlefthalfblack'] = 0x25D0;
- t['circlewithrighthalfblack'] = 0x25D1;
- t['circumflex'] = 0x02C6;
- t['circumflexbelowcmb'] = 0x032D;
- t['circumflexcmb'] = 0x0302;
- t['clear'] = 0x2327;
- t['clickalveolar'] = 0x01C2;
- t['clickdental'] = 0x01C0;
- t['clicklateral'] = 0x01C1;
- t['clickretroflex'] = 0x01C3;
- t['club'] = 0x2663;
- t['clubsuitblack'] = 0x2663;
- t['clubsuitwhite'] = 0x2667;
- t['cmcubedsquare'] = 0x33A4;
- t['cmonospace'] = 0xFF43;
- t['cmsquaredsquare'] = 0x33A0;
- t['coarmenian'] = 0x0581;
- t['colon'] = 0x003A;
- t['colonmonetary'] = 0x20A1;
- t['colonmonospace'] = 0xFF1A;
- t['colonsign'] = 0x20A1;
- t['colonsmall'] = 0xFE55;
- t['colontriangularhalfmod'] = 0x02D1;
- t['colontriangularmod'] = 0x02D0;
- t['comma'] = 0x002C;
- t['commaabovecmb'] = 0x0313;
- t['commaaboverightcmb'] = 0x0315;
- t['commaaccent'] = 0xF6C3;
- t['commaarabic'] = 0x060C;
- t['commaarmenian'] = 0x055D;
- t['commainferior'] = 0xF6E1;
- t['commamonospace'] = 0xFF0C;
- t['commareversedabovecmb'] = 0x0314;
- t['commareversedmod'] = 0x02BD;
- t['commasmall'] = 0xFE50;
- t['commasuperior'] = 0xF6E2;
- t['commaturnedabovecmb'] = 0x0312;
- t['commaturnedmod'] = 0x02BB;
- t['compass'] = 0x263C;
- t['congruent'] = 0x2245;
- t['contourintegral'] = 0x222E;
- t['control'] = 0x2303;
- t['controlACK'] = 0x0006;
- t['controlBEL'] = 0x0007;
- t['controlBS'] = 0x0008;
- t['controlCAN'] = 0x0018;
- t['controlCR'] = 0x000D;
- t['controlDC1'] = 0x0011;
- t['controlDC2'] = 0x0012;
- t['controlDC3'] = 0x0013;
- t['controlDC4'] = 0x0014;
- t['controlDEL'] = 0x007F;
- t['controlDLE'] = 0x0010;
- t['controlEM'] = 0x0019;
- t['controlENQ'] = 0x0005;
- t['controlEOT'] = 0x0004;
- t['controlESC'] = 0x001B;
- t['controlETB'] = 0x0017;
- t['controlETX'] = 0x0003;
- t['controlFF'] = 0x000C;
- t['controlFS'] = 0x001C;
- t['controlGS'] = 0x001D;
- t['controlHT'] = 0x0009;
- t['controlLF'] = 0x000A;
- t['controlNAK'] = 0x0015;
- t['controlRS'] = 0x001E;
- t['controlSI'] = 0x000F;
- t['controlSO'] = 0x000E;
- t['controlSOT'] = 0x0002;
- t['controlSTX'] = 0x0001;
- t['controlSUB'] = 0x001A;
- t['controlSYN'] = 0x0016;
- t['controlUS'] = 0x001F;
- t['controlVT'] = 0x000B;
- t['copyright'] = 0x00A9;
- t['copyrightsans'] = 0xF8E9;
- t['copyrightserif'] = 0xF6D9;
- t['cornerbracketleft'] = 0x300C;
- t['cornerbracketlefthalfwidth'] = 0xFF62;
- t['cornerbracketleftvertical'] = 0xFE41;
- t['cornerbracketright'] = 0x300D;
- t['cornerbracketrighthalfwidth'] = 0xFF63;
- t['cornerbracketrightvertical'] = 0xFE42;
- t['corporationsquare'] = 0x337F;
- t['cosquare'] = 0x33C7;
- t['coverkgsquare'] = 0x33C6;
- t['cparen'] = 0x249E;
- t['cruzeiro'] = 0x20A2;
- t['cstretched'] = 0x0297;
- t['curlyand'] = 0x22CF;
- t['curlyor'] = 0x22CE;
- t['currency'] = 0x00A4;
- t['cyrBreve'] = 0xF6D1;
- t['cyrFlex'] = 0xF6D2;
- t['cyrbreve'] = 0xF6D4;
- t['cyrflex'] = 0xF6D5;
- t['d'] = 0x0064;
- t['daarmenian'] = 0x0564;
- t['dabengali'] = 0x09A6;
- t['dadarabic'] = 0x0636;
- t['dadeva'] = 0x0926;
- t['dadfinalarabic'] = 0xFEBE;
- t['dadinitialarabic'] = 0xFEBF;
- t['dadmedialarabic'] = 0xFEC0;
- t['dagesh'] = 0x05BC;
- t['dageshhebrew'] = 0x05BC;
- t['dagger'] = 0x2020;
- t['daggerdbl'] = 0x2021;
- t['dagujarati'] = 0x0AA6;
- t['dagurmukhi'] = 0x0A26;
- t['dahiragana'] = 0x3060;
- t['dakatakana'] = 0x30C0;
- t['dalarabic'] = 0x062F;
- t['dalet'] = 0x05D3;
- t['daletdagesh'] = 0xFB33;
- t['daletdageshhebrew'] = 0xFB33;
- t['dalethebrew'] = 0x05D3;
- t['dalfinalarabic'] = 0xFEAA;
- t['dammaarabic'] = 0x064F;
- t['dammalowarabic'] = 0x064F;
- t['dammatanaltonearabic'] = 0x064C;
- t['dammatanarabic'] = 0x064C;
- t['danda'] = 0x0964;
- t['dargahebrew'] = 0x05A7;
- t['dargalefthebrew'] = 0x05A7;
- t['dasiapneumatacyrilliccmb'] = 0x0485;
- t['dblGrave'] = 0xF6D3;
- t['dblanglebracketleft'] = 0x300A;
- t['dblanglebracketleftvertical'] = 0xFE3D;
- t['dblanglebracketright'] = 0x300B;
- t['dblanglebracketrightvertical'] = 0xFE3E;
- t['dblarchinvertedbelowcmb'] = 0x032B;
- t['dblarrowleft'] = 0x21D4;
- t['dblarrowright'] = 0x21D2;
- t['dbldanda'] = 0x0965;
- t['dblgrave'] = 0xF6D6;
- t['dblgravecmb'] = 0x030F;
- t['dblintegral'] = 0x222C;
- t['dbllowline'] = 0x2017;
- t['dbllowlinecmb'] = 0x0333;
- t['dbloverlinecmb'] = 0x033F;
- t['dblprimemod'] = 0x02BA;
- t['dblverticalbar'] = 0x2016;
- t['dblverticallineabovecmb'] = 0x030E;
- t['dbopomofo'] = 0x3109;
- t['dbsquare'] = 0x33C8;
- t['dcaron'] = 0x010F;
- t['dcedilla'] = 0x1E11;
- t['dcircle'] = 0x24D3;
- t['dcircumflexbelow'] = 0x1E13;
- t['dcroat'] = 0x0111;
- t['ddabengali'] = 0x09A1;
- t['ddadeva'] = 0x0921;
- t['ddagujarati'] = 0x0AA1;
- t['ddagurmukhi'] = 0x0A21;
- t['ddalarabic'] = 0x0688;
- t['ddalfinalarabic'] = 0xFB89;
- t['dddhadeva'] = 0x095C;
- t['ddhabengali'] = 0x09A2;
- t['ddhadeva'] = 0x0922;
- t['ddhagujarati'] = 0x0AA2;
- t['ddhagurmukhi'] = 0x0A22;
- t['ddotaccent'] = 0x1E0B;
- t['ddotbelow'] = 0x1E0D;
- t['decimalseparatorarabic'] = 0x066B;
- t['decimalseparatorpersian'] = 0x066B;
- t['decyrillic'] = 0x0434;
- t['degree'] = 0x00B0;
- t['dehihebrew'] = 0x05AD;
- t['dehiragana'] = 0x3067;
- t['deicoptic'] = 0x03EF;
- t['dekatakana'] = 0x30C7;
- t['deleteleft'] = 0x232B;
- t['deleteright'] = 0x2326;
- t['delta'] = 0x03B4;
- t['deltaturned'] = 0x018D;
- t['denominatorminusonenumeratorbengali'] = 0x09F8;
- t['dezh'] = 0x02A4;
- t['dhabengali'] = 0x09A7;
- t['dhadeva'] = 0x0927;
- t['dhagujarati'] = 0x0AA7;
- t['dhagurmukhi'] = 0x0A27;
- t['dhook'] = 0x0257;
- t['dialytikatonos'] = 0x0385;
- t['dialytikatonoscmb'] = 0x0344;
- t['diamond'] = 0x2666;
- t['diamondsuitwhite'] = 0x2662;
- t['dieresis'] = 0x00A8;
- t['dieresisacute'] = 0xF6D7;
- t['dieresisbelowcmb'] = 0x0324;
- t['dieresiscmb'] = 0x0308;
- t['dieresisgrave'] = 0xF6D8;
- t['dieresistonos'] = 0x0385;
- t['dihiragana'] = 0x3062;
- t['dikatakana'] = 0x30C2;
- t['dittomark'] = 0x3003;
- t['divide'] = 0x00F7;
- t['divides'] = 0x2223;
- t['divisionslash'] = 0x2215;
- t['djecyrillic'] = 0x0452;
- t['dkshade'] = 0x2593;
- t['dlinebelow'] = 0x1E0F;
- t['dlsquare'] = 0x3397;
- t['dmacron'] = 0x0111;
- t['dmonospace'] = 0xFF44;
- t['dnblock'] = 0x2584;
- t['dochadathai'] = 0x0E0E;
- t['dodekthai'] = 0x0E14;
- t['dohiragana'] = 0x3069;
- t['dokatakana'] = 0x30C9;
- t['dollar'] = 0x0024;
- t['dollarinferior'] = 0xF6E3;
- t['dollarmonospace'] = 0xFF04;
- t['dollaroldstyle'] = 0xF724;
- t['dollarsmall'] = 0xFE69;
- t['dollarsuperior'] = 0xF6E4;
- t['dong'] = 0x20AB;
- t['dorusquare'] = 0x3326;
- t['dotaccent'] = 0x02D9;
- t['dotaccentcmb'] = 0x0307;
- t['dotbelowcmb'] = 0x0323;
- t['dotbelowcomb'] = 0x0323;
- t['dotkatakana'] = 0x30FB;
- t['dotlessi'] = 0x0131;
- t['dotlessj'] = 0xF6BE;
- t['dotlessjstrokehook'] = 0x0284;
- t['dotmath'] = 0x22C5;
- t['dottedcircle'] = 0x25CC;
- t['doubleyodpatah'] = 0xFB1F;
- t['doubleyodpatahhebrew'] = 0xFB1F;
- t['downtackbelowcmb'] = 0x031E;
- t['downtackmod'] = 0x02D5;
- t['dparen'] = 0x249F;
- t['dsuperior'] = 0xF6EB;
- t['dtail'] = 0x0256;
- t['dtopbar'] = 0x018C;
- t['duhiragana'] = 0x3065;
- t['dukatakana'] = 0x30C5;
- t['dz'] = 0x01F3;
- t['dzaltone'] = 0x02A3;
- t['dzcaron'] = 0x01C6;
- t['dzcurl'] = 0x02A5;
- t['dzeabkhasiancyrillic'] = 0x04E1;
- t['dzecyrillic'] = 0x0455;
- t['dzhecyrillic'] = 0x045F;
- t['e'] = 0x0065;
- t['eacute'] = 0x00E9;
- t['earth'] = 0x2641;
- t['ebengali'] = 0x098F;
- t['ebopomofo'] = 0x311C;
- t['ebreve'] = 0x0115;
- t['ecandradeva'] = 0x090D;
- t['ecandragujarati'] = 0x0A8D;
- t['ecandravowelsigndeva'] = 0x0945;
- t['ecandravowelsigngujarati'] = 0x0AC5;
- t['ecaron'] = 0x011B;
- t['ecedillabreve'] = 0x1E1D;
- t['echarmenian'] = 0x0565;
- t['echyiwnarmenian'] = 0x0587;
- t['ecircle'] = 0x24D4;
- t['ecircumflex'] = 0x00EA;
- t['ecircumflexacute'] = 0x1EBF;
- t['ecircumflexbelow'] = 0x1E19;
- t['ecircumflexdotbelow'] = 0x1EC7;
- t['ecircumflexgrave'] = 0x1EC1;
- t['ecircumflexhookabove'] = 0x1EC3;
- t['ecircumflextilde'] = 0x1EC5;
- t['ecyrillic'] = 0x0454;
- t['edblgrave'] = 0x0205;
- t['edeva'] = 0x090F;
- t['edieresis'] = 0x00EB;
- t['edot'] = 0x0117;
- t['edotaccent'] = 0x0117;
- t['edotbelow'] = 0x1EB9;
- t['eegurmukhi'] = 0x0A0F;
- t['eematragurmukhi'] = 0x0A47;
- t['efcyrillic'] = 0x0444;
- t['egrave'] = 0x00E8;
- t['egujarati'] = 0x0A8F;
- t['eharmenian'] = 0x0567;
- t['ehbopomofo'] = 0x311D;
- t['ehiragana'] = 0x3048;
- t['ehookabove'] = 0x1EBB;
- t['eibopomofo'] = 0x311F;
- t['eight'] = 0x0038;
- t['eightarabic'] = 0x0668;
- t['eightbengali'] = 0x09EE;
- t['eightcircle'] = 0x2467;
- t['eightcircleinversesansserif'] = 0x2791;
- t['eightdeva'] = 0x096E;
- t['eighteencircle'] = 0x2471;
- t['eighteenparen'] = 0x2485;
- t['eighteenperiod'] = 0x2499;
- t['eightgujarati'] = 0x0AEE;
- t['eightgurmukhi'] = 0x0A6E;
- t['eighthackarabic'] = 0x0668;
- t['eighthangzhou'] = 0x3028;
- t['eighthnotebeamed'] = 0x266B;
- t['eightideographicparen'] = 0x3227;
- t['eightinferior'] = 0x2088;
- t['eightmonospace'] = 0xFF18;
- t['eightoldstyle'] = 0xF738;
- t['eightparen'] = 0x247B;
- t['eightperiod'] = 0x248F;
- t['eightpersian'] = 0x06F8;
- t['eightroman'] = 0x2177;
- t['eightsuperior'] = 0x2078;
- t['eightthai'] = 0x0E58;
- t['einvertedbreve'] = 0x0207;
- t['eiotifiedcyrillic'] = 0x0465;
- t['ekatakana'] = 0x30A8;
- t['ekatakanahalfwidth'] = 0xFF74;
- t['ekonkargurmukhi'] = 0x0A74;
- t['ekorean'] = 0x3154;
- t['elcyrillic'] = 0x043B;
- t['element'] = 0x2208;
- t['elevencircle'] = 0x246A;
- t['elevenparen'] = 0x247E;
- t['elevenperiod'] = 0x2492;
- t['elevenroman'] = 0x217A;
- t['ellipsis'] = 0x2026;
- t['ellipsisvertical'] = 0x22EE;
- t['emacron'] = 0x0113;
- t['emacronacute'] = 0x1E17;
- t['emacrongrave'] = 0x1E15;
- t['emcyrillic'] = 0x043C;
- t['emdash'] = 0x2014;
- t['emdashvertical'] = 0xFE31;
- t['emonospace'] = 0xFF45;
- t['emphasismarkarmenian'] = 0x055B;
- t['emptyset'] = 0x2205;
- t['enbopomofo'] = 0x3123;
- t['encyrillic'] = 0x043D;
- t['endash'] = 0x2013;
- t['endashvertical'] = 0xFE32;
- t['endescendercyrillic'] = 0x04A3;
- t['eng'] = 0x014B;
- t['engbopomofo'] = 0x3125;
- t['enghecyrillic'] = 0x04A5;
- t['enhookcyrillic'] = 0x04C8;
- t['enspace'] = 0x2002;
- t['eogonek'] = 0x0119;
- t['eokorean'] = 0x3153;
- t['eopen'] = 0x025B;
- t['eopenclosed'] = 0x029A;
- t['eopenreversed'] = 0x025C;
- t['eopenreversedclosed'] = 0x025E;
- t['eopenreversedhook'] = 0x025D;
- t['eparen'] = 0x24A0;
- t['epsilon'] = 0x03B5;
- t['epsilontonos'] = 0x03AD;
- t['equal'] = 0x003D;
- t['equalmonospace'] = 0xFF1D;
- t['equalsmall'] = 0xFE66;
- t['equalsuperior'] = 0x207C;
- t['equivalence'] = 0x2261;
- t['erbopomofo'] = 0x3126;
- t['ercyrillic'] = 0x0440;
- t['ereversed'] = 0x0258;
- t['ereversedcyrillic'] = 0x044D;
- t['escyrillic'] = 0x0441;
- t['esdescendercyrillic'] = 0x04AB;
- t['esh'] = 0x0283;
- t['eshcurl'] = 0x0286;
- t['eshortdeva'] = 0x090E;
- t['eshortvowelsigndeva'] = 0x0946;
- t['eshreversedloop'] = 0x01AA;
- t['eshsquatreversed'] = 0x0285;
- t['esmallhiragana'] = 0x3047;
- t['esmallkatakana'] = 0x30A7;
- t['esmallkatakanahalfwidth'] = 0xFF6A;
- t['estimated'] = 0x212E;
- t['esuperior'] = 0xF6EC;
- t['eta'] = 0x03B7;
- t['etarmenian'] = 0x0568;
- t['etatonos'] = 0x03AE;
- t['eth'] = 0x00F0;
- t['etilde'] = 0x1EBD;
- t['etildebelow'] = 0x1E1B;
- t['etnahtafoukhhebrew'] = 0x0591;
- t['etnahtafoukhlefthebrew'] = 0x0591;
- t['etnahtahebrew'] = 0x0591;
- t['etnahtalefthebrew'] = 0x0591;
- t['eturned'] = 0x01DD;
- t['eukorean'] = 0x3161;
- t['euro'] = 0x20AC;
- t['evowelsignbengali'] = 0x09C7;
- t['evowelsigndeva'] = 0x0947;
- t['evowelsigngujarati'] = 0x0AC7;
- t['exclam'] = 0x0021;
- t['exclamarmenian'] = 0x055C;
- t['exclamdbl'] = 0x203C;
- t['exclamdown'] = 0x00A1;
- t['exclamdownsmall'] = 0xF7A1;
- t['exclammonospace'] = 0xFF01;
- t['exclamsmall'] = 0xF721;
- t['existential'] = 0x2203;
- t['ezh'] = 0x0292;
- t['ezhcaron'] = 0x01EF;
- t['ezhcurl'] = 0x0293;
- t['ezhreversed'] = 0x01B9;
- t['ezhtail'] = 0x01BA;
- t['f'] = 0x0066;
- t['fadeva'] = 0x095E;
- t['fagurmukhi'] = 0x0A5E;
- t['fahrenheit'] = 0x2109;
- t['fathaarabic'] = 0x064E;
- t['fathalowarabic'] = 0x064E;
- t['fathatanarabic'] = 0x064B;
- t['fbopomofo'] = 0x3108;
- t['fcircle'] = 0x24D5;
- t['fdotaccent'] = 0x1E1F;
- t['feharabic'] = 0x0641;
- t['feharmenian'] = 0x0586;
- t['fehfinalarabic'] = 0xFED2;
- t['fehinitialarabic'] = 0xFED3;
- t['fehmedialarabic'] = 0xFED4;
- t['feicoptic'] = 0x03E5;
- t['female'] = 0x2640;
- t['ff'] = 0xFB00;
- t['ffi'] = 0xFB03;
- t['ffl'] = 0xFB04;
- t['fi'] = 0xFB01;
- t['fifteencircle'] = 0x246E;
- t['fifteenparen'] = 0x2482;
- t['fifteenperiod'] = 0x2496;
- t['figuredash'] = 0x2012;
- t['filledbox'] = 0x25A0;
- t['filledrect'] = 0x25AC;
- t['finalkaf'] = 0x05DA;
- t['finalkafdagesh'] = 0xFB3A;
- t['finalkafdageshhebrew'] = 0xFB3A;
- t['finalkafhebrew'] = 0x05DA;
- t['finalmem'] = 0x05DD;
- t['finalmemhebrew'] = 0x05DD;
- t['finalnun'] = 0x05DF;
- t['finalnunhebrew'] = 0x05DF;
- t['finalpe'] = 0x05E3;
- t['finalpehebrew'] = 0x05E3;
- t['finaltsadi'] = 0x05E5;
- t['finaltsadihebrew'] = 0x05E5;
- t['firsttonechinese'] = 0x02C9;
- t['fisheye'] = 0x25C9;
- t['fitacyrillic'] = 0x0473;
- t['five'] = 0x0035;
- t['fivearabic'] = 0x0665;
- t['fivebengali'] = 0x09EB;
- t['fivecircle'] = 0x2464;
- t['fivecircleinversesansserif'] = 0x278E;
- t['fivedeva'] = 0x096B;
- t['fiveeighths'] = 0x215D;
- t['fivegujarati'] = 0x0AEB;
- t['fivegurmukhi'] = 0x0A6B;
- t['fivehackarabic'] = 0x0665;
- t['fivehangzhou'] = 0x3025;
- t['fiveideographicparen'] = 0x3224;
- t['fiveinferior'] = 0x2085;
- t['fivemonospace'] = 0xFF15;
- t['fiveoldstyle'] = 0xF735;
- t['fiveparen'] = 0x2478;
- t['fiveperiod'] = 0x248C;
- t['fivepersian'] = 0x06F5;
- t['fiveroman'] = 0x2174;
- t['fivesuperior'] = 0x2075;
- t['fivethai'] = 0x0E55;
- t['fl'] = 0xFB02;
- t['florin'] = 0x0192;
- t['fmonospace'] = 0xFF46;
- t['fmsquare'] = 0x3399;
- t['fofanthai'] = 0x0E1F;
- t['fofathai'] = 0x0E1D;
- t['fongmanthai'] = 0x0E4F;
- t['forall'] = 0x2200;
- t['four'] = 0x0034;
- t['fourarabic'] = 0x0664;
- t['fourbengali'] = 0x09EA;
- t['fourcircle'] = 0x2463;
- t['fourcircleinversesansserif'] = 0x278D;
- t['fourdeva'] = 0x096A;
- t['fourgujarati'] = 0x0AEA;
- t['fourgurmukhi'] = 0x0A6A;
- t['fourhackarabic'] = 0x0664;
- t['fourhangzhou'] = 0x3024;
- t['fourideographicparen'] = 0x3223;
- t['fourinferior'] = 0x2084;
- t['fourmonospace'] = 0xFF14;
- t['fournumeratorbengali'] = 0x09F7;
- t['fouroldstyle'] = 0xF734;
- t['fourparen'] = 0x2477;
- t['fourperiod'] = 0x248B;
- t['fourpersian'] = 0x06F4;
- t['fourroman'] = 0x2173;
- t['foursuperior'] = 0x2074;
- t['fourteencircle'] = 0x246D;
- t['fourteenparen'] = 0x2481;
- t['fourteenperiod'] = 0x2495;
- t['fourthai'] = 0x0E54;
- t['fourthtonechinese'] = 0x02CB;
- t['fparen'] = 0x24A1;
- t['fraction'] = 0x2044;
- t['franc'] = 0x20A3;
- t['g'] = 0x0067;
- t['gabengali'] = 0x0997;
- t['gacute'] = 0x01F5;
- t['gadeva'] = 0x0917;
- t['gafarabic'] = 0x06AF;
- t['gaffinalarabic'] = 0xFB93;
- t['gafinitialarabic'] = 0xFB94;
- t['gafmedialarabic'] = 0xFB95;
- t['gagujarati'] = 0x0A97;
- t['gagurmukhi'] = 0x0A17;
- t['gahiragana'] = 0x304C;
- t['gakatakana'] = 0x30AC;
- t['gamma'] = 0x03B3;
- t['gammalatinsmall'] = 0x0263;
- t['gammasuperior'] = 0x02E0;
- t['gangiacoptic'] = 0x03EB;
- t['gbopomofo'] = 0x310D;
- t['gbreve'] = 0x011F;
- t['gcaron'] = 0x01E7;
- t['gcedilla'] = 0x0123;
- t['gcircle'] = 0x24D6;
- t['gcircumflex'] = 0x011D;
- t['gcommaaccent'] = 0x0123;
- t['gdot'] = 0x0121;
- t['gdotaccent'] = 0x0121;
- t['gecyrillic'] = 0x0433;
- t['gehiragana'] = 0x3052;
- t['gekatakana'] = 0x30B2;
- t['geometricallyequal'] = 0x2251;
- t['gereshaccenthebrew'] = 0x059C;
- t['gereshhebrew'] = 0x05F3;
- t['gereshmuqdamhebrew'] = 0x059D;
- t['germandbls'] = 0x00DF;
- t['gershayimaccenthebrew'] = 0x059E;
- t['gershayimhebrew'] = 0x05F4;
- t['getamark'] = 0x3013;
- t['ghabengali'] = 0x0998;
- t['ghadarmenian'] = 0x0572;
- t['ghadeva'] = 0x0918;
- t['ghagujarati'] = 0x0A98;
- t['ghagurmukhi'] = 0x0A18;
- t['ghainarabic'] = 0x063A;
- t['ghainfinalarabic'] = 0xFECE;
- t['ghaininitialarabic'] = 0xFECF;
- t['ghainmedialarabic'] = 0xFED0;
- t['ghemiddlehookcyrillic'] = 0x0495;
- t['ghestrokecyrillic'] = 0x0493;
- t['gheupturncyrillic'] = 0x0491;
- t['ghhadeva'] = 0x095A;
- t['ghhagurmukhi'] = 0x0A5A;
- t['ghook'] = 0x0260;
- t['ghzsquare'] = 0x3393;
- t['gihiragana'] = 0x304E;
- t['gikatakana'] = 0x30AE;
- t['gimarmenian'] = 0x0563;
- t['gimel'] = 0x05D2;
- t['gimeldagesh'] = 0xFB32;
- t['gimeldageshhebrew'] = 0xFB32;
- t['gimelhebrew'] = 0x05D2;
- t['gjecyrillic'] = 0x0453;
- t['glottalinvertedstroke'] = 0x01BE;
- t['glottalstop'] = 0x0294;
- t['glottalstopinverted'] = 0x0296;
- t['glottalstopmod'] = 0x02C0;
- t['glottalstopreversed'] = 0x0295;
- t['glottalstopreversedmod'] = 0x02C1;
- t['glottalstopreversedsuperior'] = 0x02E4;
- t['glottalstopstroke'] = 0x02A1;
- t['glottalstopstrokereversed'] = 0x02A2;
- t['gmacron'] = 0x1E21;
- t['gmonospace'] = 0xFF47;
- t['gohiragana'] = 0x3054;
- t['gokatakana'] = 0x30B4;
- t['gparen'] = 0x24A2;
- t['gpasquare'] = 0x33AC;
- t['gradient'] = 0x2207;
- t['grave'] = 0x0060;
- t['gravebelowcmb'] = 0x0316;
- t['gravecmb'] = 0x0300;
- t['gravecomb'] = 0x0300;
- t['gravedeva'] = 0x0953;
- t['gravelowmod'] = 0x02CE;
- t['gravemonospace'] = 0xFF40;
- t['gravetonecmb'] = 0x0340;
- t['greater'] = 0x003E;
- t['greaterequal'] = 0x2265;
- t['greaterequalorless'] = 0x22DB;
- t['greatermonospace'] = 0xFF1E;
- t['greaterorequivalent'] = 0x2273;
- t['greaterorless'] = 0x2277;
- t['greateroverequal'] = 0x2267;
- t['greatersmall'] = 0xFE65;
- t['gscript'] = 0x0261;
- t['gstroke'] = 0x01E5;
- t['guhiragana'] = 0x3050;
- t['guillemotleft'] = 0x00AB;
- t['guillemotright'] = 0x00BB;
- t['guilsinglleft'] = 0x2039;
- t['guilsinglright'] = 0x203A;
- t['gukatakana'] = 0x30B0;
- t['guramusquare'] = 0x3318;
- t['gysquare'] = 0x33C9;
- t['h'] = 0x0068;
- t['haabkhasiancyrillic'] = 0x04A9;
- t['haaltonearabic'] = 0x06C1;
- t['habengali'] = 0x09B9;
- t['hadescendercyrillic'] = 0x04B3;
- t['hadeva'] = 0x0939;
- t['hagujarati'] = 0x0AB9;
- t['hagurmukhi'] = 0x0A39;
- t['haharabic'] = 0x062D;
- t['hahfinalarabic'] = 0xFEA2;
- t['hahinitialarabic'] = 0xFEA3;
- t['hahiragana'] = 0x306F;
- t['hahmedialarabic'] = 0xFEA4;
- t['haitusquare'] = 0x332A;
- t['hakatakana'] = 0x30CF;
- t['hakatakanahalfwidth'] = 0xFF8A;
- t['halantgurmukhi'] = 0x0A4D;
- t['hamzaarabic'] = 0x0621;
- t['hamzalowarabic'] = 0x0621;
- t['hangulfiller'] = 0x3164;
- t['hardsigncyrillic'] = 0x044A;
- t['harpoonleftbarbup'] = 0x21BC;
- t['harpoonrightbarbup'] = 0x21C0;
- t['hasquare'] = 0x33CA;
- t['hatafpatah'] = 0x05B2;
- t['hatafpatah16'] = 0x05B2;
- t['hatafpatah23'] = 0x05B2;
- t['hatafpatah2f'] = 0x05B2;
- t['hatafpatahhebrew'] = 0x05B2;
- t['hatafpatahnarrowhebrew'] = 0x05B2;
- t['hatafpatahquarterhebrew'] = 0x05B2;
- t['hatafpatahwidehebrew'] = 0x05B2;
- t['hatafqamats'] = 0x05B3;
- t['hatafqamats1b'] = 0x05B3;
- t['hatafqamats28'] = 0x05B3;
- t['hatafqamats34'] = 0x05B3;
- t['hatafqamatshebrew'] = 0x05B3;
- t['hatafqamatsnarrowhebrew'] = 0x05B3;
- t['hatafqamatsquarterhebrew'] = 0x05B3;
- t['hatafqamatswidehebrew'] = 0x05B3;
- t['hatafsegol'] = 0x05B1;
- t['hatafsegol17'] = 0x05B1;
- t['hatafsegol24'] = 0x05B1;
- t['hatafsegol30'] = 0x05B1;
- t['hatafsegolhebrew'] = 0x05B1;
- t['hatafsegolnarrowhebrew'] = 0x05B1;
- t['hatafsegolquarterhebrew'] = 0x05B1;
- t['hatafsegolwidehebrew'] = 0x05B1;
- t['hbar'] = 0x0127;
- t['hbopomofo'] = 0x310F;
- t['hbrevebelow'] = 0x1E2B;
- t['hcedilla'] = 0x1E29;
- t['hcircle'] = 0x24D7;
- t['hcircumflex'] = 0x0125;
- t['hdieresis'] = 0x1E27;
- t['hdotaccent'] = 0x1E23;
- t['hdotbelow'] = 0x1E25;
- t['he'] = 0x05D4;
- t['heart'] = 0x2665;
- t['heartsuitblack'] = 0x2665;
- t['heartsuitwhite'] = 0x2661;
- t['hedagesh'] = 0xFB34;
- t['hedageshhebrew'] = 0xFB34;
- t['hehaltonearabic'] = 0x06C1;
- t['heharabic'] = 0x0647;
- t['hehebrew'] = 0x05D4;
- t['hehfinalaltonearabic'] = 0xFBA7;
- t['hehfinalalttwoarabic'] = 0xFEEA;
- t['hehfinalarabic'] = 0xFEEA;
- t['hehhamzaabovefinalarabic'] = 0xFBA5;
- t['hehhamzaaboveisolatedarabic'] = 0xFBA4;
- t['hehinitialaltonearabic'] = 0xFBA8;
- t['hehinitialarabic'] = 0xFEEB;
- t['hehiragana'] = 0x3078;
- t['hehmedialaltonearabic'] = 0xFBA9;
- t['hehmedialarabic'] = 0xFEEC;
- t['heiseierasquare'] = 0x337B;
- t['hekatakana'] = 0x30D8;
- t['hekatakanahalfwidth'] = 0xFF8D;
- t['hekutaarusquare'] = 0x3336;
- t['henghook'] = 0x0267;
- t['herutusquare'] = 0x3339;
- t['het'] = 0x05D7;
- t['hethebrew'] = 0x05D7;
- t['hhook'] = 0x0266;
- t['hhooksuperior'] = 0x02B1;
- t['hieuhacirclekorean'] = 0x327B;
- t['hieuhaparenkorean'] = 0x321B;
- t['hieuhcirclekorean'] = 0x326D;
- t['hieuhkorean'] = 0x314E;
- t['hieuhparenkorean'] = 0x320D;
- t['hihiragana'] = 0x3072;
- t['hikatakana'] = 0x30D2;
- t['hikatakanahalfwidth'] = 0xFF8B;
- t['hiriq'] = 0x05B4;
- t['hiriq14'] = 0x05B4;
- t['hiriq21'] = 0x05B4;
- t['hiriq2d'] = 0x05B4;
- t['hiriqhebrew'] = 0x05B4;
- t['hiriqnarrowhebrew'] = 0x05B4;
- t['hiriqquarterhebrew'] = 0x05B4;
- t['hiriqwidehebrew'] = 0x05B4;
- t['hlinebelow'] = 0x1E96;
- t['hmonospace'] = 0xFF48;
- t['hoarmenian'] = 0x0570;
- t['hohipthai'] = 0x0E2B;
- t['hohiragana'] = 0x307B;
- t['hokatakana'] = 0x30DB;
- t['hokatakanahalfwidth'] = 0xFF8E;
- t['holam'] = 0x05B9;
- t['holam19'] = 0x05B9;
- t['holam26'] = 0x05B9;
- t['holam32'] = 0x05B9;
- t['holamhebrew'] = 0x05B9;
- t['holamnarrowhebrew'] = 0x05B9;
- t['holamquarterhebrew'] = 0x05B9;
- t['holamwidehebrew'] = 0x05B9;
- t['honokhukthai'] = 0x0E2E;
- t['hookabovecomb'] = 0x0309;
- t['hookcmb'] = 0x0309;
- t['hookpalatalizedbelowcmb'] = 0x0321;
- t['hookretroflexbelowcmb'] = 0x0322;
- t['hoonsquare'] = 0x3342;
- t['horicoptic'] = 0x03E9;
- t['horizontalbar'] = 0x2015;
- t['horncmb'] = 0x031B;
- t['hotsprings'] = 0x2668;
- t['house'] = 0x2302;
- t['hparen'] = 0x24A3;
- t['hsuperior'] = 0x02B0;
- t['hturned'] = 0x0265;
- t['huhiragana'] = 0x3075;
- t['huiitosquare'] = 0x3333;
- t['hukatakana'] = 0x30D5;
- t['hukatakanahalfwidth'] = 0xFF8C;
- t['hungarumlaut'] = 0x02DD;
- t['hungarumlautcmb'] = 0x030B;
- t['hv'] = 0x0195;
- t['hyphen'] = 0x002D;
- t['hypheninferior'] = 0xF6E5;
- t['hyphenmonospace'] = 0xFF0D;
- t['hyphensmall'] = 0xFE63;
- t['hyphensuperior'] = 0xF6E6;
- t['hyphentwo'] = 0x2010;
- t['i'] = 0x0069;
- t['iacute'] = 0x00ED;
- t['iacyrillic'] = 0x044F;
- t['ibengali'] = 0x0987;
- t['ibopomofo'] = 0x3127;
- t['ibreve'] = 0x012D;
- t['icaron'] = 0x01D0;
- t['icircle'] = 0x24D8;
- t['icircumflex'] = 0x00EE;
- t['icyrillic'] = 0x0456;
- t['idblgrave'] = 0x0209;
- t['ideographearthcircle'] = 0x328F;
- t['ideographfirecircle'] = 0x328B;
- t['ideographicallianceparen'] = 0x323F;
- t['ideographiccallparen'] = 0x323A;
- t['ideographiccentrecircle'] = 0x32A5;
- t['ideographicclose'] = 0x3006;
- t['ideographiccomma'] = 0x3001;
- t['ideographiccommaleft'] = 0xFF64;
- t['ideographiccongratulationparen'] = 0x3237;
- t['ideographiccorrectcircle'] = 0x32A3;
- t['ideographicearthparen'] = 0x322F;
- t['ideographicenterpriseparen'] = 0x323D;
- t['ideographicexcellentcircle'] = 0x329D;
- t['ideographicfestivalparen'] = 0x3240;
- t['ideographicfinancialcircle'] = 0x3296;
- t['ideographicfinancialparen'] = 0x3236;
- t['ideographicfireparen'] = 0x322B;
- t['ideographichaveparen'] = 0x3232;
- t['ideographichighcircle'] = 0x32A4;
- t['ideographiciterationmark'] = 0x3005;
- t['ideographiclaborcircle'] = 0x3298;
- t['ideographiclaborparen'] = 0x3238;
- t['ideographicleftcircle'] = 0x32A7;
- t['ideographiclowcircle'] = 0x32A6;
- t['ideographicmedicinecircle'] = 0x32A9;
- t['ideographicmetalparen'] = 0x322E;
- t['ideographicmoonparen'] = 0x322A;
- t['ideographicnameparen'] = 0x3234;
- t['ideographicperiod'] = 0x3002;
- t['ideographicprintcircle'] = 0x329E;
- t['ideographicreachparen'] = 0x3243;
- t['ideographicrepresentparen'] = 0x3239;
- t['ideographicresourceparen'] = 0x323E;
- t['ideographicrightcircle'] = 0x32A8;
- t['ideographicsecretcircle'] = 0x3299;
- t['ideographicselfparen'] = 0x3242;
- t['ideographicsocietyparen'] = 0x3233;
- t['ideographicspace'] = 0x3000;
- t['ideographicspecialparen'] = 0x3235;
- t['ideographicstockparen'] = 0x3231;
- t['ideographicstudyparen'] = 0x323B;
- t['ideographicsunparen'] = 0x3230;
- t['ideographicsuperviseparen'] = 0x323C;
- t['ideographicwaterparen'] = 0x322C;
- t['ideographicwoodparen'] = 0x322D;
- t['ideographiczero'] = 0x3007;
- t['ideographmetalcircle'] = 0x328E;
- t['ideographmooncircle'] = 0x328A;
- t['ideographnamecircle'] = 0x3294;
- t['ideographsuncircle'] = 0x3290;
- t['ideographwatercircle'] = 0x328C;
- t['ideographwoodcircle'] = 0x328D;
- t['ideva'] = 0x0907;
- t['idieresis'] = 0x00EF;
- t['idieresisacute'] = 0x1E2F;
- t['idieresiscyrillic'] = 0x04E5;
- t['idotbelow'] = 0x1ECB;
- t['iebrevecyrillic'] = 0x04D7;
- t['iecyrillic'] = 0x0435;
- t['ieungacirclekorean'] = 0x3275;
- t['ieungaparenkorean'] = 0x3215;
- t['ieungcirclekorean'] = 0x3267;
- t['ieungkorean'] = 0x3147;
- t['ieungparenkorean'] = 0x3207;
- t['igrave'] = 0x00EC;
- t['igujarati'] = 0x0A87;
- t['igurmukhi'] = 0x0A07;
- t['ihiragana'] = 0x3044;
- t['ihookabove'] = 0x1EC9;
- t['iibengali'] = 0x0988;
- t['iicyrillic'] = 0x0438;
- t['iideva'] = 0x0908;
- t['iigujarati'] = 0x0A88;
- t['iigurmukhi'] = 0x0A08;
- t['iimatragurmukhi'] = 0x0A40;
- t['iinvertedbreve'] = 0x020B;
- t['iishortcyrillic'] = 0x0439;
- t['iivowelsignbengali'] = 0x09C0;
- t['iivowelsigndeva'] = 0x0940;
- t['iivowelsigngujarati'] = 0x0AC0;
- t['ij'] = 0x0133;
- t['ikatakana'] = 0x30A4;
- t['ikatakanahalfwidth'] = 0xFF72;
- t['ikorean'] = 0x3163;
- t['ilde'] = 0x02DC;
- t['iluyhebrew'] = 0x05AC;
- t['imacron'] = 0x012B;
- t['imacroncyrillic'] = 0x04E3;
- t['imageorapproximatelyequal'] = 0x2253;
- t['imatragurmukhi'] = 0x0A3F;
- t['imonospace'] = 0xFF49;
- t['increment'] = 0x2206;
- t['infinity'] = 0x221E;
- t['iniarmenian'] = 0x056B;
- t['integral'] = 0x222B;
- t['integralbottom'] = 0x2321;
- t['integralbt'] = 0x2321;
- t['integralex'] = 0xF8F5;
- t['integraltop'] = 0x2320;
- t['integraltp'] = 0x2320;
- t['intersection'] = 0x2229;
- t['intisquare'] = 0x3305;
- t['invbullet'] = 0x25D8;
- t['invcircle'] = 0x25D9;
- t['invsmileface'] = 0x263B;
- t['iocyrillic'] = 0x0451;
- t['iogonek'] = 0x012F;
- t['iota'] = 0x03B9;
- t['iotadieresis'] = 0x03CA;
- t['iotadieresistonos'] = 0x0390;
- t['iotalatin'] = 0x0269;
- t['iotatonos'] = 0x03AF;
- t['iparen'] = 0x24A4;
- t['irigurmukhi'] = 0x0A72;
- t['ismallhiragana'] = 0x3043;
- t['ismallkatakana'] = 0x30A3;
- t['ismallkatakanahalfwidth'] = 0xFF68;
- t['issharbengali'] = 0x09FA;
- t['istroke'] = 0x0268;
- t['isuperior'] = 0xF6ED;
- t['iterationhiragana'] = 0x309D;
- t['iterationkatakana'] = 0x30FD;
- t['itilde'] = 0x0129;
- t['itildebelow'] = 0x1E2D;
- t['iubopomofo'] = 0x3129;
- t['iucyrillic'] = 0x044E;
- t['ivowelsignbengali'] = 0x09BF;
- t['ivowelsigndeva'] = 0x093F;
- t['ivowelsigngujarati'] = 0x0ABF;
- t['izhitsacyrillic'] = 0x0475;
- t['izhitsadblgravecyrillic'] = 0x0477;
- t['j'] = 0x006A;
- t['jaarmenian'] = 0x0571;
- t['jabengali'] = 0x099C;
- t['jadeva'] = 0x091C;
- t['jagujarati'] = 0x0A9C;
- t['jagurmukhi'] = 0x0A1C;
- t['jbopomofo'] = 0x3110;
- t['jcaron'] = 0x01F0;
- t['jcircle'] = 0x24D9;
- t['jcircumflex'] = 0x0135;
- t['jcrossedtail'] = 0x029D;
- t['jdotlessstroke'] = 0x025F;
- t['jecyrillic'] = 0x0458;
- t['jeemarabic'] = 0x062C;
- t['jeemfinalarabic'] = 0xFE9E;
- t['jeeminitialarabic'] = 0xFE9F;
- t['jeemmedialarabic'] = 0xFEA0;
- t['jeharabic'] = 0x0698;
- t['jehfinalarabic'] = 0xFB8B;
- t['jhabengali'] = 0x099D;
- t['jhadeva'] = 0x091D;
- t['jhagujarati'] = 0x0A9D;
- t['jhagurmukhi'] = 0x0A1D;
- t['jheharmenian'] = 0x057B;
- t['jis'] = 0x3004;
- t['jmonospace'] = 0xFF4A;
- t['jparen'] = 0x24A5;
- t['jsuperior'] = 0x02B2;
- t['k'] = 0x006B;
- t['kabashkircyrillic'] = 0x04A1;
- t['kabengali'] = 0x0995;
- t['kacute'] = 0x1E31;
- t['kacyrillic'] = 0x043A;
- t['kadescendercyrillic'] = 0x049B;
- t['kadeva'] = 0x0915;
- t['kaf'] = 0x05DB;
- t['kafarabic'] = 0x0643;
- t['kafdagesh'] = 0xFB3B;
- t['kafdageshhebrew'] = 0xFB3B;
- t['kaffinalarabic'] = 0xFEDA;
- t['kafhebrew'] = 0x05DB;
- t['kafinitialarabic'] = 0xFEDB;
- t['kafmedialarabic'] = 0xFEDC;
- t['kafrafehebrew'] = 0xFB4D;
- t['kagujarati'] = 0x0A95;
- t['kagurmukhi'] = 0x0A15;
- t['kahiragana'] = 0x304B;
- t['kahookcyrillic'] = 0x04C4;
- t['kakatakana'] = 0x30AB;
- t['kakatakanahalfwidth'] = 0xFF76;
- t['kappa'] = 0x03BA;
- t['kappasymbolgreek'] = 0x03F0;
- t['kapyeounmieumkorean'] = 0x3171;
- t['kapyeounphieuphkorean'] = 0x3184;
- t['kapyeounpieupkorean'] = 0x3178;
- t['kapyeounssangpieupkorean'] = 0x3179;
- t['karoriisquare'] = 0x330D;
- t['kashidaautoarabic'] = 0x0640;
- t['kashidaautonosidebearingarabic'] = 0x0640;
- t['kasmallkatakana'] = 0x30F5;
- t['kasquare'] = 0x3384;
- t['kasraarabic'] = 0x0650;
- t['kasratanarabic'] = 0x064D;
- t['kastrokecyrillic'] = 0x049F;
- t['katahiraprolongmarkhalfwidth'] = 0xFF70;
- t['kaverticalstrokecyrillic'] = 0x049D;
- t['kbopomofo'] = 0x310E;
- t['kcalsquare'] = 0x3389;
- t['kcaron'] = 0x01E9;
- t['kcedilla'] = 0x0137;
- t['kcircle'] = 0x24DA;
- t['kcommaaccent'] = 0x0137;
- t['kdotbelow'] = 0x1E33;
- t['keharmenian'] = 0x0584;
- t['kehiragana'] = 0x3051;
- t['kekatakana'] = 0x30B1;
- t['kekatakanahalfwidth'] = 0xFF79;
- t['kenarmenian'] = 0x056F;
- t['kesmallkatakana'] = 0x30F6;
- t['kgreenlandic'] = 0x0138;
- t['khabengali'] = 0x0996;
- t['khacyrillic'] = 0x0445;
- t['khadeva'] = 0x0916;
- t['khagujarati'] = 0x0A96;
- t['khagurmukhi'] = 0x0A16;
- t['khaharabic'] = 0x062E;
- t['khahfinalarabic'] = 0xFEA6;
- t['khahinitialarabic'] = 0xFEA7;
- t['khahmedialarabic'] = 0xFEA8;
- t['kheicoptic'] = 0x03E7;
- t['khhadeva'] = 0x0959;
- t['khhagurmukhi'] = 0x0A59;
- t['khieukhacirclekorean'] = 0x3278;
- t['khieukhaparenkorean'] = 0x3218;
- t['khieukhcirclekorean'] = 0x326A;
- t['khieukhkorean'] = 0x314B;
- t['khieukhparenkorean'] = 0x320A;
- t['khokhaithai'] = 0x0E02;
- t['khokhonthai'] = 0x0E05;
- t['khokhuatthai'] = 0x0E03;
- t['khokhwaithai'] = 0x0E04;
- t['khomutthai'] = 0x0E5B;
- t['khook'] = 0x0199;
- t['khorakhangthai'] = 0x0E06;
- t['khzsquare'] = 0x3391;
- t['kihiragana'] = 0x304D;
- t['kikatakana'] = 0x30AD;
- t['kikatakanahalfwidth'] = 0xFF77;
- t['kiroguramusquare'] = 0x3315;
- t['kiromeetorusquare'] = 0x3316;
- t['kirosquare'] = 0x3314;
- t['kiyeokacirclekorean'] = 0x326E;
- t['kiyeokaparenkorean'] = 0x320E;
- t['kiyeokcirclekorean'] = 0x3260;
- t['kiyeokkorean'] = 0x3131;
- t['kiyeokparenkorean'] = 0x3200;
- t['kiyeoksioskorean'] = 0x3133;
- t['kjecyrillic'] = 0x045C;
- t['klinebelow'] = 0x1E35;
- t['klsquare'] = 0x3398;
- t['kmcubedsquare'] = 0x33A6;
- t['kmonospace'] = 0xFF4B;
- t['kmsquaredsquare'] = 0x33A2;
- t['kohiragana'] = 0x3053;
- t['kohmsquare'] = 0x33C0;
- t['kokaithai'] = 0x0E01;
- t['kokatakana'] = 0x30B3;
- t['kokatakanahalfwidth'] = 0xFF7A;
- t['kooposquare'] = 0x331E;
- t['koppacyrillic'] = 0x0481;
- t['koreanstandardsymbol'] = 0x327F;
- t['koroniscmb'] = 0x0343;
- t['kparen'] = 0x24A6;
- t['kpasquare'] = 0x33AA;
- t['ksicyrillic'] = 0x046F;
- t['ktsquare'] = 0x33CF;
- t['kturned'] = 0x029E;
- t['kuhiragana'] = 0x304F;
- t['kukatakana'] = 0x30AF;
- t['kukatakanahalfwidth'] = 0xFF78;
- t['kvsquare'] = 0x33B8;
- t['kwsquare'] = 0x33BE;
- t['l'] = 0x006C;
- t['labengali'] = 0x09B2;
- t['lacute'] = 0x013A;
- t['ladeva'] = 0x0932;
- t['lagujarati'] = 0x0AB2;
- t['lagurmukhi'] = 0x0A32;
- t['lakkhangyaothai'] = 0x0E45;
- t['lamaleffinalarabic'] = 0xFEFC;
- t['lamalefhamzaabovefinalarabic'] = 0xFEF8;
- t['lamalefhamzaaboveisolatedarabic'] = 0xFEF7;
- t['lamalefhamzabelowfinalarabic'] = 0xFEFA;
- t['lamalefhamzabelowisolatedarabic'] = 0xFEF9;
- t['lamalefisolatedarabic'] = 0xFEFB;
- t['lamalefmaddaabovefinalarabic'] = 0xFEF6;
- t['lamalefmaddaaboveisolatedarabic'] = 0xFEF5;
- t['lamarabic'] = 0x0644;
- t['lambda'] = 0x03BB;
- t['lambdastroke'] = 0x019B;
- t['lamed'] = 0x05DC;
- t['lameddagesh'] = 0xFB3C;
- t['lameddageshhebrew'] = 0xFB3C;
- t['lamedhebrew'] = 0x05DC;
- t['lamfinalarabic'] = 0xFEDE;
- t['lamhahinitialarabic'] = 0xFCCA;
- t['laminitialarabic'] = 0xFEDF;
- t['lamjeeminitialarabic'] = 0xFCC9;
- t['lamkhahinitialarabic'] = 0xFCCB;
- t['lamlamhehisolatedarabic'] = 0xFDF2;
- t['lammedialarabic'] = 0xFEE0;
- t['lammeemhahinitialarabic'] = 0xFD88;
- t['lammeeminitialarabic'] = 0xFCCC;
- t['largecircle'] = 0x25EF;
- t['lbar'] = 0x019A;
- t['lbelt'] = 0x026C;
- t['lbopomofo'] = 0x310C;
- t['lcaron'] = 0x013E;
- t['lcedilla'] = 0x013C;
- t['lcircle'] = 0x24DB;
- t['lcircumflexbelow'] = 0x1E3D;
- t['lcommaaccent'] = 0x013C;
- t['ldot'] = 0x0140;
- t['ldotaccent'] = 0x0140;
- t['ldotbelow'] = 0x1E37;
- t['ldotbelowmacron'] = 0x1E39;
- t['leftangleabovecmb'] = 0x031A;
- t['lefttackbelowcmb'] = 0x0318;
- t['less'] = 0x003C;
- t['lessequal'] = 0x2264;
- t['lessequalorgreater'] = 0x22DA;
- t['lessmonospace'] = 0xFF1C;
- t['lessorequivalent'] = 0x2272;
- t['lessorgreater'] = 0x2276;
- t['lessoverequal'] = 0x2266;
- t['lesssmall'] = 0xFE64;
- t['lezh'] = 0x026E;
- t['lfblock'] = 0x258C;
- t['lhookretroflex'] = 0x026D;
- t['lira'] = 0x20A4;
- t['liwnarmenian'] = 0x056C;
- t['lj'] = 0x01C9;
- t['ljecyrillic'] = 0x0459;
- t['ll'] = 0xF6C0;
- t['lladeva'] = 0x0933;
- t['llagujarati'] = 0x0AB3;
- t['llinebelow'] = 0x1E3B;
- t['llladeva'] = 0x0934;
- t['llvocalicbengali'] = 0x09E1;
- t['llvocalicdeva'] = 0x0961;
- t['llvocalicvowelsignbengali'] = 0x09E3;
- t['llvocalicvowelsigndeva'] = 0x0963;
- t['lmiddletilde'] = 0x026B;
- t['lmonospace'] = 0xFF4C;
- t['lmsquare'] = 0x33D0;
- t['lochulathai'] = 0x0E2C;
- t['logicaland'] = 0x2227;
- t['logicalnot'] = 0x00AC;
- t['logicalnotreversed'] = 0x2310;
- t['logicalor'] = 0x2228;
- t['lolingthai'] = 0x0E25;
- t['longs'] = 0x017F;
- t['lowlinecenterline'] = 0xFE4E;
- t['lowlinecmb'] = 0x0332;
- t['lowlinedashed'] = 0xFE4D;
- t['lozenge'] = 0x25CA;
- t['lparen'] = 0x24A7;
- t['lslash'] = 0x0142;
- t['lsquare'] = 0x2113;
- t['lsuperior'] = 0xF6EE;
- t['ltshade'] = 0x2591;
- t['luthai'] = 0x0E26;
- t['lvocalicbengali'] = 0x098C;
- t['lvocalicdeva'] = 0x090C;
- t['lvocalicvowelsignbengali'] = 0x09E2;
- t['lvocalicvowelsigndeva'] = 0x0962;
- t['lxsquare'] = 0x33D3;
- t['m'] = 0x006D;
- t['mabengali'] = 0x09AE;
- t['macron'] = 0x00AF;
- t['macronbelowcmb'] = 0x0331;
- t['macroncmb'] = 0x0304;
- t['macronlowmod'] = 0x02CD;
- t['macronmonospace'] = 0xFFE3;
- t['macute'] = 0x1E3F;
- t['madeva'] = 0x092E;
- t['magujarati'] = 0x0AAE;
- t['magurmukhi'] = 0x0A2E;
- t['mahapakhhebrew'] = 0x05A4;
- t['mahapakhlefthebrew'] = 0x05A4;
- t['mahiragana'] = 0x307E;
- t['maichattawalowleftthai'] = 0xF895;
- t['maichattawalowrightthai'] = 0xF894;
- t['maichattawathai'] = 0x0E4B;
- t['maichattawaupperleftthai'] = 0xF893;
- t['maieklowleftthai'] = 0xF88C;
- t['maieklowrightthai'] = 0xF88B;
- t['maiekthai'] = 0x0E48;
- t['maiekupperleftthai'] = 0xF88A;
- t['maihanakatleftthai'] = 0xF884;
- t['maihanakatthai'] = 0x0E31;
- t['maitaikhuleftthai'] = 0xF889;
- t['maitaikhuthai'] = 0x0E47;
- t['maitholowleftthai'] = 0xF88F;
- t['maitholowrightthai'] = 0xF88E;
- t['maithothai'] = 0x0E49;
- t['maithoupperleftthai'] = 0xF88D;
- t['maitrilowleftthai'] = 0xF892;
- t['maitrilowrightthai'] = 0xF891;
- t['maitrithai'] = 0x0E4A;
- t['maitriupperleftthai'] = 0xF890;
- t['maiyamokthai'] = 0x0E46;
- t['makatakana'] = 0x30DE;
- t['makatakanahalfwidth'] = 0xFF8F;
- t['male'] = 0x2642;
- t['mansyonsquare'] = 0x3347;
- t['maqafhebrew'] = 0x05BE;
- t['mars'] = 0x2642;
- t['masoracirclehebrew'] = 0x05AF;
- t['masquare'] = 0x3383;
- t['mbopomofo'] = 0x3107;
- t['mbsquare'] = 0x33D4;
- t['mcircle'] = 0x24DC;
- t['mcubedsquare'] = 0x33A5;
- t['mdotaccent'] = 0x1E41;
- t['mdotbelow'] = 0x1E43;
- t['meemarabic'] = 0x0645;
- t['meemfinalarabic'] = 0xFEE2;
- t['meeminitialarabic'] = 0xFEE3;
- t['meemmedialarabic'] = 0xFEE4;
- t['meemmeeminitialarabic'] = 0xFCD1;
- t['meemmeemisolatedarabic'] = 0xFC48;
- t['meetorusquare'] = 0x334D;
- t['mehiragana'] = 0x3081;
- t['meizierasquare'] = 0x337E;
- t['mekatakana'] = 0x30E1;
- t['mekatakanahalfwidth'] = 0xFF92;
- t['mem'] = 0x05DE;
- t['memdagesh'] = 0xFB3E;
- t['memdageshhebrew'] = 0xFB3E;
- t['memhebrew'] = 0x05DE;
- t['menarmenian'] = 0x0574;
- t['merkhahebrew'] = 0x05A5;
- t['merkhakefulahebrew'] = 0x05A6;
- t['merkhakefulalefthebrew'] = 0x05A6;
- t['merkhalefthebrew'] = 0x05A5;
- t['mhook'] = 0x0271;
- t['mhzsquare'] = 0x3392;
- t['middledotkatakanahalfwidth'] = 0xFF65;
- t['middot'] = 0x00B7;
- t['mieumacirclekorean'] = 0x3272;
- t['mieumaparenkorean'] = 0x3212;
- t['mieumcirclekorean'] = 0x3264;
- t['mieumkorean'] = 0x3141;
- t['mieumpansioskorean'] = 0x3170;
- t['mieumparenkorean'] = 0x3204;
- t['mieumpieupkorean'] = 0x316E;
- t['mieumsioskorean'] = 0x316F;
- t['mihiragana'] = 0x307F;
- t['mikatakana'] = 0x30DF;
- t['mikatakanahalfwidth'] = 0xFF90;
- t['minus'] = 0x2212;
- t['minusbelowcmb'] = 0x0320;
- t['minuscircle'] = 0x2296;
- t['minusmod'] = 0x02D7;
- t['minusplus'] = 0x2213;
- t['minute'] = 0x2032;
- t['miribaarusquare'] = 0x334A;
- t['mirisquare'] = 0x3349;
- t['mlonglegturned'] = 0x0270;
- t['mlsquare'] = 0x3396;
- t['mmcubedsquare'] = 0x33A3;
- t['mmonospace'] = 0xFF4D;
- t['mmsquaredsquare'] = 0x339F;
- t['mohiragana'] = 0x3082;
- t['mohmsquare'] = 0x33C1;
- t['mokatakana'] = 0x30E2;
- t['mokatakanahalfwidth'] = 0xFF93;
- t['molsquare'] = 0x33D6;
- t['momathai'] = 0x0E21;
- t['moverssquare'] = 0x33A7;
- t['moverssquaredsquare'] = 0x33A8;
- t['mparen'] = 0x24A8;
- t['mpasquare'] = 0x33AB;
- t['mssquare'] = 0x33B3;
- t['msuperior'] = 0xF6EF;
- t['mturned'] = 0x026F;
- t['mu'] = 0x00B5;
- t['mu1'] = 0x00B5;
- t['muasquare'] = 0x3382;
- t['muchgreater'] = 0x226B;
- t['muchless'] = 0x226A;
- t['mufsquare'] = 0x338C;
- t['mugreek'] = 0x03BC;
- t['mugsquare'] = 0x338D;
- t['muhiragana'] = 0x3080;
- t['mukatakana'] = 0x30E0;
- t['mukatakanahalfwidth'] = 0xFF91;
- t['mulsquare'] = 0x3395;
- t['multiply'] = 0x00D7;
- t['mumsquare'] = 0x339B;
- t['munahhebrew'] = 0x05A3;
- t['munahlefthebrew'] = 0x05A3;
- t['musicalnote'] = 0x266A;
- t['musicalnotedbl'] = 0x266B;
- t['musicflatsign'] = 0x266D;
- t['musicsharpsign'] = 0x266F;
- t['mussquare'] = 0x33B2;
- t['muvsquare'] = 0x33B6;
- t['muwsquare'] = 0x33BC;
- t['mvmegasquare'] = 0x33B9;
- t['mvsquare'] = 0x33B7;
- t['mwmegasquare'] = 0x33BF;
- t['mwsquare'] = 0x33BD;
- t['n'] = 0x006E;
- t['nabengali'] = 0x09A8;
- t['nabla'] = 0x2207;
- t['nacute'] = 0x0144;
- t['nadeva'] = 0x0928;
- t['nagujarati'] = 0x0AA8;
- t['nagurmukhi'] = 0x0A28;
- t['nahiragana'] = 0x306A;
- t['nakatakana'] = 0x30CA;
- t['nakatakanahalfwidth'] = 0xFF85;
- t['napostrophe'] = 0x0149;
- t['nasquare'] = 0x3381;
- t['nbopomofo'] = 0x310B;
- t['nbspace'] = 0x00A0;
- t['ncaron'] = 0x0148;
- t['ncedilla'] = 0x0146;
- t['ncircle'] = 0x24DD;
- t['ncircumflexbelow'] = 0x1E4B;
- t['ncommaaccent'] = 0x0146;
- t['ndotaccent'] = 0x1E45;
- t['ndotbelow'] = 0x1E47;
- t['nehiragana'] = 0x306D;
- t['nekatakana'] = 0x30CD;
- t['nekatakanahalfwidth'] = 0xFF88;
- t['newsheqelsign'] = 0x20AA;
- t['nfsquare'] = 0x338B;
- t['ngabengali'] = 0x0999;
- t['ngadeva'] = 0x0919;
- t['ngagujarati'] = 0x0A99;
- t['ngagurmukhi'] = 0x0A19;
- t['ngonguthai'] = 0x0E07;
- t['nhiragana'] = 0x3093;
- t['nhookleft'] = 0x0272;
- t['nhookretroflex'] = 0x0273;
- t['nieunacirclekorean'] = 0x326F;
- t['nieunaparenkorean'] = 0x320F;
- t['nieuncieuckorean'] = 0x3135;
- t['nieuncirclekorean'] = 0x3261;
- t['nieunhieuhkorean'] = 0x3136;
- t['nieunkorean'] = 0x3134;
- t['nieunpansioskorean'] = 0x3168;
- t['nieunparenkorean'] = 0x3201;
- t['nieunsioskorean'] = 0x3167;
- t['nieuntikeutkorean'] = 0x3166;
- t['nihiragana'] = 0x306B;
- t['nikatakana'] = 0x30CB;
- t['nikatakanahalfwidth'] = 0xFF86;
- t['nikhahitleftthai'] = 0xF899;
- t['nikhahitthai'] = 0x0E4D;
- t['nine'] = 0x0039;
- t['ninearabic'] = 0x0669;
- t['ninebengali'] = 0x09EF;
- t['ninecircle'] = 0x2468;
- t['ninecircleinversesansserif'] = 0x2792;
- t['ninedeva'] = 0x096F;
- t['ninegujarati'] = 0x0AEF;
- t['ninegurmukhi'] = 0x0A6F;
- t['ninehackarabic'] = 0x0669;
- t['ninehangzhou'] = 0x3029;
- t['nineideographicparen'] = 0x3228;
- t['nineinferior'] = 0x2089;
- t['ninemonospace'] = 0xFF19;
- t['nineoldstyle'] = 0xF739;
- t['nineparen'] = 0x247C;
- t['nineperiod'] = 0x2490;
- t['ninepersian'] = 0x06F9;
- t['nineroman'] = 0x2178;
- t['ninesuperior'] = 0x2079;
- t['nineteencircle'] = 0x2472;
- t['nineteenparen'] = 0x2486;
- t['nineteenperiod'] = 0x249A;
- t['ninethai'] = 0x0E59;
- t['nj'] = 0x01CC;
- t['njecyrillic'] = 0x045A;
- t['nkatakana'] = 0x30F3;
- t['nkatakanahalfwidth'] = 0xFF9D;
- t['nlegrightlong'] = 0x019E;
- t['nlinebelow'] = 0x1E49;
- t['nmonospace'] = 0xFF4E;
- t['nmsquare'] = 0x339A;
- t['nnabengali'] = 0x09A3;
- t['nnadeva'] = 0x0923;
- t['nnagujarati'] = 0x0AA3;
- t['nnagurmukhi'] = 0x0A23;
- t['nnnadeva'] = 0x0929;
- t['nohiragana'] = 0x306E;
- t['nokatakana'] = 0x30CE;
- t['nokatakanahalfwidth'] = 0xFF89;
- t['nonbreakingspace'] = 0x00A0;
- t['nonenthai'] = 0x0E13;
- t['nonuthai'] = 0x0E19;
- t['noonarabic'] = 0x0646;
- t['noonfinalarabic'] = 0xFEE6;
- t['noonghunnaarabic'] = 0x06BA;
- t['noonghunnafinalarabic'] = 0xFB9F;
- t['nooninitialarabic'] = 0xFEE7;
- t['noonjeeminitialarabic'] = 0xFCD2;
- t['noonjeemisolatedarabic'] = 0xFC4B;
- t['noonmedialarabic'] = 0xFEE8;
- t['noonmeeminitialarabic'] = 0xFCD5;
- t['noonmeemisolatedarabic'] = 0xFC4E;
- t['noonnoonfinalarabic'] = 0xFC8D;
- t['notcontains'] = 0x220C;
- t['notelement'] = 0x2209;
- t['notelementof'] = 0x2209;
- t['notequal'] = 0x2260;
- t['notgreater'] = 0x226F;
- t['notgreaternorequal'] = 0x2271;
- t['notgreaternorless'] = 0x2279;
- t['notidentical'] = 0x2262;
- t['notless'] = 0x226E;
- t['notlessnorequal'] = 0x2270;
- t['notparallel'] = 0x2226;
- t['notprecedes'] = 0x2280;
- t['notsubset'] = 0x2284;
- t['notsucceeds'] = 0x2281;
- t['notsuperset'] = 0x2285;
- t['nowarmenian'] = 0x0576;
- t['nparen'] = 0x24A9;
- t['nssquare'] = 0x33B1;
- t['nsuperior'] = 0x207F;
- t['ntilde'] = 0x00F1;
- t['nu'] = 0x03BD;
- t['nuhiragana'] = 0x306C;
- t['nukatakana'] = 0x30CC;
- t['nukatakanahalfwidth'] = 0xFF87;
- t['nuktabengali'] = 0x09BC;
- t['nuktadeva'] = 0x093C;
- t['nuktagujarati'] = 0x0ABC;
- t['nuktagurmukhi'] = 0x0A3C;
- t['numbersign'] = 0x0023;
- t['numbersignmonospace'] = 0xFF03;
- t['numbersignsmall'] = 0xFE5F;
- t['numeralsigngreek'] = 0x0374;
- t['numeralsignlowergreek'] = 0x0375;
- t['numero'] = 0x2116;
- t['nun'] = 0x05E0;
- t['nundagesh'] = 0xFB40;
- t['nundageshhebrew'] = 0xFB40;
- t['nunhebrew'] = 0x05E0;
- t['nvsquare'] = 0x33B5;
- t['nwsquare'] = 0x33BB;
- t['nyabengali'] = 0x099E;
- t['nyadeva'] = 0x091E;
- t['nyagujarati'] = 0x0A9E;
- t['nyagurmukhi'] = 0x0A1E;
- t['o'] = 0x006F;
- t['oacute'] = 0x00F3;
- t['oangthai'] = 0x0E2D;
- t['obarred'] = 0x0275;
- t['obarredcyrillic'] = 0x04E9;
- t['obarreddieresiscyrillic'] = 0x04EB;
- t['obengali'] = 0x0993;
- t['obopomofo'] = 0x311B;
- t['obreve'] = 0x014F;
- t['ocandradeva'] = 0x0911;
- t['ocandragujarati'] = 0x0A91;
- t['ocandravowelsigndeva'] = 0x0949;
- t['ocandravowelsigngujarati'] = 0x0AC9;
- t['ocaron'] = 0x01D2;
- t['ocircle'] = 0x24DE;
- t['ocircumflex'] = 0x00F4;
- t['ocircumflexacute'] = 0x1ED1;
- t['ocircumflexdotbelow'] = 0x1ED9;
- t['ocircumflexgrave'] = 0x1ED3;
- t['ocircumflexhookabove'] = 0x1ED5;
- t['ocircumflextilde'] = 0x1ED7;
- t['ocyrillic'] = 0x043E;
- t['odblacute'] = 0x0151;
- t['odblgrave'] = 0x020D;
- t['odeva'] = 0x0913;
- t['odieresis'] = 0x00F6;
- t['odieresiscyrillic'] = 0x04E7;
- t['odotbelow'] = 0x1ECD;
- t['oe'] = 0x0153;
- t['oekorean'] = 0x315A;
- t['ogonek'] = 0x02DB;
- t['ogonekcmb'] = 0x0328;
- t['ograve'] = 0x00F2;
- t['ogujarati'] = 0x0A93;
- t['oharmenian'] = 0x0585;
- t['ohiragana'] = 0x304A;
- t['ohookabove'] = 0x1ECF;
- t['ohorn'] = 0x01A1;
- t['ohornacute'] = 0x1EDB;
- t['ohorndotbelow'] = 0x1EE3;
- t['ohorngrave'] = 0x1EDD;
- t['ohornhookabove'] = 0x1EDF;
- t['ohorntilde'] = 0x1EE1;
- t['ohungarumlaut'] = 0x0151;
- t['oi'] = 0x01A3;
- t['oinvertedbreve'] = 0x020F;
- t['okatakana'] = 0x30AA;
- t['okatakanahalfwidth'] = 0xFF75;
- t['okorean'] = 0x3157;
- t['olehebrew'] = 0x05AB;
- t['omacron'] = 0x014D;
- t['omacronacute'] = 0x1E53;
- t['omacrongrave'] = 0x1E51;
- t['omdeva'] = 0x0950;
- t['omega'] = 0x03C9;
- t['omega1'] = 0x03D6;
- t['omegacyrillic'] = 0x0461;
- t['omegalatinclosed'] = 0x0277;
- t['omegaroundcyrillic'] = 0x047B;
- t['omegatitlocyrillic'] = 0x047D;
- t['omegatonos'] = 0x03CE;
- t['omgujarati'] = 0x0AD0;
- t['omicron'] = 0x03BF;
- t['omicrontonos'] = 0x03CC;
- t['omonospace'] = 0xFF4F;
- t['one'] = 0x0031;
- t['onearabic'] = 0x0661;
- t['onebengali'] = 0x09E7;
- t['onecircle'] = 0x2460;
- t['onecircleinversesansserif'] = 0x278A;
- t['onedeva'] = 0x0967;
- t['onedotenleader'] = 0x2024;
- t['oneeighth'] = 0x215B;
- t['onefitted'] = 0xF6DC;
- t['onegujarati'] = 0x0AE7;
- t['onegurmukhi'] = 0x0A67;
- t['onehackarabic'] = 0x0661;
- t['onehalf'] = 0x00BD;
- t['onehangzhou'] = 0x3021;
- t['oneideographicparen'] = 0x3220;
- t['oneinferior'] = 0x2081;
- t['onemonospace'] = 0xFF11;
- t['onenumeratorbengali'] = 0x09F4;
- t['oneoldstyle'] = 0xF731;
- t['oneparen'] = 0x2474;
- t['oneperiod'] = 0x2488;
- t['onepersian'] = 0x06F1;
- t['onequarter'] = 0x00BC;
- t['oneroman'] = 0x2170;
- t['onesuperior'] = 0x00B9;
- t['onethai'] = 0x0E51;
- t['onethird'] = 0x2153;
- t['oogonek'] = 0x01EB;
- t['oogonekmacron'] = 0x01ED;
- t['oogurmukhi'] = 0x0A13;
- t['oomatragurmukhi'] = 0x0A4B;
- t['oopen'] = 0x0254;
- t['oparen'] = 0x24AA;
- t['openbullet'] = 0x25E6;
- t['option'] = 0x2325;
- t['ordfeminine'] = 0x00AA;
- t['ordmasculine'] = 0x00BA;
- t['orthogonal'] = 0x221F;
- t['oshortdeva'] = 0x0912;
- t['oshortvowelsigndeva'] = 0x094A;
- t['oslash'] = 0x00F8;
- t['oslashacute'] = 0x01FF;
- t['osmallhiragana'] = 0x3049;
- t['osmallkatakana'] = 0x30A9;
- t['osmallkatakanahalfwidth'] = 0xFF6B;
- t['ostrokeacute'] = 0x01FF;
- t['osuperior'] = 0xF6F0;
- t['otcyrillic'] = 0x047F;
- t['otilde'] = 0x00F5;
- t['otildeacute'] = 0x1E4D;
- t['otildedieresis'] = 0x1E4F;
- t['oubopomofo'] = 0x3121;
- t['overline'] = 0x203E;
- t['overlinecenterline'] = 0xFE4A;
- t['overlinecmb'] = 0x0305;
- t['overlinedashed'] = 0xFE49;
- t['overlinedblwavy'] = 0xFE4C;
- t['overlinewavy'] = 0xFE4B;
- t['overscore'] = 0x00AF;
- t['ovowelsignbengali'] = 0x09CB;
- t['ovowelsigndeva'] = 0x094B;
- t['ovowelsigngujarati'] = 0x0ACB;
- t['p'] = 0x0070;
- t['paampssquare'] = 0x3380;
- t['paasentosquare'] = 0x332B;
- t['pabengali'] = 0x09AA;
- t['pacute'] = 0x1E55;
- t['padeva'] = 0x092A;
- t['pagedown'] = 0x21DF;
- t['pageup'] = 0x21DE;
- t['pagujarati'] = 0x0AAA;
- t['pagurmukhi'] = 0x0A2A;
- t['pahiragana'] = 0x3071;
- t['paiyannoithai'] = 0x0E2F;
- t['pakatakana'] = 0x30D1;
- t['palatalizationcyrilliccmb'] = 0x0484;
- t['palochkacyrillic'] = 0x04C0;
- t['pansioskorean'] = 0x317F;
- t['paragraph'] = 0x00B6;
- t['parallel'] = 0x2225;
- t['parenleft'] = 0x0028;
- t['parenleftaltonearabic'] = 0xFD3E;
- t['parenleftbt'] = 0xF8ED;
- t['parenleftex'] = 0xF8EC;
- t['parenleftinferior'] = 0x208D;
- t['parenleftmonospace'] = 0xFF08;
- t['parenleftsmall'] = 0xFE59;
- t['parenleftsuperior'] = 0x207D;
- t['parenlefttp'] = 0xF8EB;
- t['parenleftvertical'] = 0xFE35;
- t['parenright'] = 0x0029;
- t['parenrightaltonearabic'] = 0xFD3F;
- t['parenrightbt'] = 0xF8F8;
- t['parenrightex'] = 0xF8F7;
- t['parenrightinferior'] = 0x208E;
- t['parenrightmonospace'] = 0xFF09;
- t['parenrightsmall'] = 0xFE5A;
- t['parenrightsuperior'] = 0x207E;
- t['parenrighttp'] = 0xF8F6;
- t['parenrightvertical'] = 0xFE36;
- t['partialdiff'] = 0x2202;
- t['paseqhebrew'] = 0x05C0;
- t['pashtahebrew'] = 0x0599;
- t['pasquare'] = 0x33A9;
- t['patah'] = 0x05B7;
- t['patah11'] = 0x05B7;
- t['patah1d'] = 0x05B7;
- t['patah2a'] = 0x05B7;
- t['patahhebrew'] = 0x05B7;
- t['patahnarrowhebrew'] = 0x05B7;
- t['patahquarterhebrew'] = 0x05B7;
- t['patahwidehebrew'] = 0x05B7;
- t['pazerhebrew'] = 0x05A1;
- t['pbopomofo'] = 0x3106;
- t['pcircle'] = 0x24DF;
- t['pdotaccent'] = 0x1E57;
- t['pe'] = 0x05E4;
- t['pecyrillic'] = 0x043F;
- t['pedagesh'] = 0xFB44;
- t['pedageshhebrew'] = 0xFB44;
- t['peezisquare'] = 0x333B;
- t['pefinaldageshhebrew'] = 0xFB43;
- t['peharabic'] = 0x067E;
- t['peharmenian'] = 0x057A;
- t['pehebrew'] = 0x05E4;
- t['pehfinalarabic'] = 0xFB57;
- t['pehinitialarabic'] = 0xFB58;
- t['pehiragana'] = 0x307A;
- t['pehmedialarabic'] = 0xFB59;
- t['pekatakana'] = 0x30DA;
- t['pemiddlehookcyrillic'] = 0x04A7;
- t['perafehebrew'] = 0xFB4E;
- t['percent'] = 0x0025;
- t['percentarabic'] = 0x066A;
- t['percentmonospace'] = 0xFF05;
- t['percentsmall'] = 0xFE6A;
- t['period'] = 0x002E;
- t['periodarmenian'] = 0x0589;
- t['periodcentered'] = 0x00B7;
- t['periodhalfwidth'] = 0xFF61;
- t['periodinferior'] = 0xF6E7;
- t['periodmonospace'] = 0xFF0E;
- t['periodsmall'] = 0xFE52;
- t['periodsuperior'] = 0xF6E8;
- t['perispomenigreekcmb'] = 0x0342;
- t['perpendicular'] = 0x22A5;
- t['perthousand'] = 0x2030;
- t['peseta'] = 0x20A7;
- t['pfsquare'] = 0x338A;
- t['phabengali'] = 0x09AB;
- t['phadeva'] = 0x092B;
- t['phagujarati'] = 0x0AAB;
- t['phagurmukhi'] = 0x0A2B;
- t['phi'] = 0x03C6;
- t['phi1'] = 0x03D5;
- t['phieuphacirclekorean'] = 0x327A;
- t['phieuphaparenkorean'] = 0x321A;
- t['phieuphcirclekorean'] = 0x326C;
- t['phieuphkorean'] = 0x314D;
- t['phieuphparenkorean'] = 0x320C;
- t['philatin'] = 0x0278;
- t['phinthuthai'] = 0x0E3A;
- t['phisymbolgreek'] = 0x03D5;
- t['phook'] = 0x01A5;
- t['phophanthai'] = 0x0E1E;
- t['phophungthai'] = 0x0E1C;
- t['phosamphaothai'] = 0x0E20;
- t['pi'] = 0x03C0;
- t['pieupacirclekorean'] = 0x3273;
- t['pieupaparenkorean'] = 0x3213;
- t['pieupcieuckorean'] = 0x3176;
- t['pieupcirclekorean'] = 0x3265;
- t['pieupkiyeokkorean'] = 0x3172;
- t['pieupkorean'] = 0x3142;
- t['pieupparenkorean'] = 0x3205;
- t['pieupsioskiyeokkorean'] = 0x3174;
- t['pieupsioskorean'] = 0x3144;
- t['pieupsiostikeutkorean'] = 0x3175;
- t['pieupthieuthkorean'] = 0x3177;
- t['pieuptikeutkorean'] = 0x3173;
- t['pihiragana'] = 0x3074;
- t['pikatakana'] = 0x30D4;
- t['pisymbolgreek'] = 0x03D6;
- t['piwrarmenian'] = 0x0583;
- t['plus'] = 0x002B;
- t['plusbelowcmb'] = 0x031F;
- t['pluscircle'] = 0x2295;
- t['plusminus'] = 0x00B1;
- t['plusmod'] = 0x02D6;
- t['plusmonospace'] = 0xFF0B;
- t['plussmall'] = 0xFE62;
- t['plussuperior'] = 0x207A;
- t['pmonospace'] = 0xFF50;
- t['pmsquare'] = 0x33D8;
- t['pohiragana'] = 0x307D;
- t['pointingindexdownwhite'] = 0x261F;
- t['pointingindexleftwhite'] = 0x261C;
- t['pointingindexrightwhite'] = 0x261E;
- t['pointingindexupwhite'] = 0x261D;
- t['pokatakana'] = 0x30DD;
- t['poplathai'] = 0x0E1B;
- t['postalmark'] = 0x3012;
- t['postalmarkface'] = 0x3020;
- t['pparen'] = 0x24AB;
- t['precedes'] = 0x227A;
- t['prescription'] = 0x211E;
- t['primemod'] = 0x02B9;
- t['primereversed'] = 0x2035;
- t['product'] = 0x220F;
- t['projective'] = 0x2305;
- t['prolongedkana'] = 0x30FC;
- t['propellor'] = 0x2318;
- t['propersubset'] = 0x2282;
- t['propersuperset'] = 0x2283;
- t['proportion'] = 0x2237;
- t['proportional'] = 0x221D;
- t['psi'] = 0x03C8;
- t['psicyrillic'] = 0x0471;
- t['psilipneumatacyrilliccmb'] = 0x0486;
- t['pssquare'] = 0x33B0;
- t['puhiragana'] = 0x3077;
- t['pukatakana'] = 0x30D7;
- t['pvsquare'] = 0x33B4;
- t['pwsquare'] = 0x33BA;
- t['q'] = 0x0071;
- t['qadeva'] = 0x0958;
- t['qadmahebrew'] = 0x05A8;
- t['qafarabic'] = 0x0642;
- t['qaffinalarabic'] = 0xFED6;
- t['qafinitialarabic'] = 0xFED7;
- t['qafmedialarabic'] = 0xFED8;
- t['qamats'] = 0x05B8;
- t['qamats10'] = 0x05B8;
- t['qamats1a'] = 0x05B8;
- t['qamats1c'] = 0x05B8;
- t['qamats27'] = 0x05B8;
- t['qamats29'] = 0x05B8;
- t['qamats33'] = 0x05B8;
- t['qamatsde'] = 0x05B8;
- t['qamatshebrew'] = 0x05B8;
- t['qamatsnarrowhebrew'] = 0x05B8;
- t['qamatsqatanhebrew'] = 0x05B8;
- t['qamatsqatannarrowhebrew'] = 0x05B8;
- t['qamatsqatanquarterhebrew'] = 0x05B8;
- t['qamatsqatanwidehebrew'] = 0x05B8;
- t['qamatsquarterhebrew'] = 0x05B8;
- t['qamatswidehebrew'] = 0x05B8;
- t['qarneyparahebrew'] = 0x059F;
- t['qbopomofo'] = 0x3111;
- t['qcircle'] = 0x24E0;
- t['qhook'] = 0x02A0;
- t['qmonospace'] = 0xFF51;
- t['qof'] = 0x05E7;
- t['qofdagesh'] = 0xFB47;
- t['qofdageshhebrew'] = 0xFB47;
- t['qofhebrew'] = 0x05E7;
- t['qparen'] = 0x24AC;
- t['quarternote'] = 0x2669;
- t['qubuts'] = 0x05BB;
- t['qubuts18'] = 0x05BB;
- t['qubuts25'] = 0x05BB;
- t['qubuts31'] = 0x05BB;
- t['qubutshebrew'] = 0x05BB;
- t['qubutsnarrowhebrew'] = 0x05BB;
- t['qubutsquarterhebrew'] = 0x05BB;
- t['qubutswidehebrew'] = 0x05BB;
- t['question'] = 0x003F;
- t['questionarabic'] = 0x061F;
- t['questionarmenian'] = 0x055E;
- t['questiondown'] = 0x00BF;
- t['questiondownsmall'] = 0xF7BF;
- t['questiongreek'] = 0x037E;
- t['questionmonospace'] = 0xFF1F;
- t['questionsmall'] = 0xF73F;
- t['quotedbl'] = 0x0022;
- t['quotedblbase'] = 0x201E;
- t['quotedblleft'] = 0x201C;
- t['quotedblmonospace'] = 0xFF02;
- t['quotedblprime'] = 0x301E;
- t['quotedblprimereversed'] = 0x301D;
- t['quotedblright'] = 0x201D;
- t['quoteleft'] = 0x2018;
- t['quoteleftreversed'] = 0x201B;
- t['quotereversed'] = 0x201B;
- t['quoteright'] = 0x2019;
- t['quoterightn'] = 0x0149;
- t['quotesinglbase'] = 0x201A;
- t['quotesingle'] = 0x0027;
- t['quotesinglemonospace'] = 0xFF07;
- t['r'] = 0x0072;
- t['raarmenian'] = 0x057C;
- t['rabengali'] = 0x09B0;
- t['racute'] = 0x0155;
- t['radeva'] = 0x0930;
- t['radical'] = 0x221A;
- t['radicalex'] = 0xF8E5;
- t['radoverssquare'] = 0x33AE;
- t['radoverssquaredsquare'] = 0x33AF;
- t['radsquare'] = 0x33AD;
- t['rafe'] = 0x05BF;
- t['rafehebrew'] = 0x05BF;
- t['ragujarati'] = 0x0AB0;
- t['ragurmukhi'] = 0x0A30;
- t['rahiragana'] = 0x3089;
- t['rakatakana'] = 0x30E9;
- t['rakatakanahalfwidth'] = 0xFF97;
- t['ralowerdiagonalbengali'] = 0x09F1;
- t['ramiddlediagonalbengali'] = 0x09F0;
- t['ramshorn'] = 0x0264;
- t['ratio'] = 0x2236;
- t['rbopomofo'] = 0x3116;
- t['rcaron'] = 0x0159;
- t['rcedilla'] = 0x0157;
- t['rcircle'] = 0x24E1;
- t['rcommaaccent'] = 0x0157;
- t['rdblgrave'] = 0x0211;
- t['rdotaccent'] = 0x1E59;
- t['rdotbelow'] = 0x1E5B;
- t['rdotbelowmacron'] = 0x1E5D;
- t['referencemark'] = 0x203B;
- t['reflexsubset'] = 0x2286;
- t['reflexsuperset'] = 0x2287;
- t['registered'] = 0x00AE;
- t['registersans'] = 0xF8E8;
- t['registerserif'] = 0xF6DA;
- t['reharabic'] = 0x0631;
- t['reharmenian'] = 0x0580;
- t['rehfinalarabic'] = 0xFEAE;
- t['rehiragana'] = 0x308C;
- t['rekatakana'] = 0x30EC;
- t['rekatakanahalfwidth'] = 0xFF9A;
- t['resh'] = 0x05E8;
- t['reshdageshhebrew'] = 0xFB48;
- t['reshhebrew'] = 0x05E8;
- t['reversedtilde'] = 0x223D;
- t['reviahebrew'] = 0x0597;
- t['reviamugrashhebrew'] = 0x0597;
- t['revlogicalnot'] = 0x2310;
- t['rfishhook'] = 0x027E;
- t['rfishhookreversed'] = 0x027F;
- t['rhabengali'] = 0x09DD;
- t['rhadeva'] = 0x095D;
- t['rho'] = 0x03C1;
- t['rhook'] = 0x027D;
- t['rhookturned'] = 0x027B;
- t['rhookturnedsuperior'] = 0x02B5;
- t['rhosymbolgreek'] = 0x03F1;
- t['rhotichookmod'] = 0x02DE;
- t['rieulacirclekorean'] = 0x3271;
- t['rieulaparenkorean'] = 0x3211;
- t['rieulcirclekorean'] = 0x3263;
- t['rieulhieuhkorean'] = 0x3140;
- t['rieulkiyeokkorean'] = 0x313A;
- t['rieulkiyeoksioskorean'] = 0x3169;
- t['rieulkorean'] = 0x3139;
- t['rieulmieumkorean'] = 0x313B;
- t['rieulpansioskorean'] = 0x316C;
- t['rieulparenkorean'] = 0x3203;
- t['rieulphieuphkorean'] = 0x313F;
- t['rieulpieupkorean'] = 0x313C;
- t['rieulpieupsioskorean'] = 0x316B;
- t['rieulsioskorean'] = 0x313D;
- t['rieulthieuthkorean'] = 0x313E;
- t['rieultikeutkorean'] = 0x316A;
- t['rieulyeorinhieuhkorean'] = 0x316D;
- t['rightangle'] = 0x221F;
- t['righttackbelowcmb'] = 0x0319;
- t['righttriangle'] = 0x22BF;
- t['rihiragana'] = 0x308A;
- t['rikatakana'] = 0x30EA;
- t['rikatakanahalfwidth'] = 0xFF98;
- t['ring'] = 0x02DA;
- t['ringbelowcmb'] = 0x0325;
- t['ringcmb'] = 0x030A;
- t['ringhalfleft'] = 0x02BF;
- t['ringhalfleftarmenian'] = 0x0559;
- t['ringhalfleftbelowcmb'] = 0x031C;
- t['ringhalfleftcentered'] = 0x02D3;
- t['ringhalfright'] = 0x02BE;
- t['ringhalfrightbelowcmb'] = 0x0339;
- t['ringhalfrightcentered'] = 0x02D2;
- t['rinvertedbreve'] = 0x0213;
- t['rittorusquare'] = 0x3351;
- t['rlinebelow'] = 0x1E5F;
- t['rlongleg'] = 0x027C;
- t['rlonglegturned'] = 0x027A;
- t['rmonospace'] = 0xFF52;
- t['rohiragana'] = 0x308D;
- t['rokatakana'] = 0x30ED;
- t['rokatakanahalfwidth'] = 0xFF9B;
- t['roruathai'] = 0x0E23;
- t['rparen'] = 0x24AD;
- t['rrabengali'] = 0x09DC;
- t['rradeva'] = 0x0931;
- t['rragurmukhi'] = 0x0A5C;
- t['rreharabic'] = 0x0691;
- t['rrehfinalarabic'] = 0xFB8D;
- t['rrvocalicbengali'] = 0x09E0;
- t['rrvocalicdeva'] = 0x0960;
- t['rrvocalicgujarati'] = 0x0AE0;
- t['rrvocalicvowelsignbengali'] = 0x09C4;
- t['rrvocalicvowelsigndeva'] = 0x0944;
- t['rrvocalicvowelsigngujarati'] = 0x0AC4;
- t['rsuperior'] = 0xF6F1;
- t['rtblock'] = 0x2590;
- t['rturned'] = 0x0279;
- t['rturnedsuperior'] = 0x02B4;
- t['ruhiragana'] = 0x308B;
- t['rukatakana'] = 0x30EB;
- t['rukatakanahalfwidth'] = 0xFF99;
- t['rupeemarkbengali'] = 0x09F2;
- t['rupeesignbengali'] = 0x09F3;
- t['rupiah'] = 0xF6DD;
- t['ruthai'] = 0x0E24;
- t['rvocalicbengali'] = 0x098B;
- t['rvocalicdeva'] = 0x090B;
- t['rvocalicgujarati'] = 0x0A8B;
- t['rvocalicvowelsignbengali'] = 0x09C3;
- t['rvocalicvowelsigndeva'] = 0x0943;
- t['rvocalicvowelsigngujarati'] = 0x0AC3;
- t['s'] = 0x0073;
- t['sabengali'] = 0x09B8;
- t['sacute'] = 0x015B;
- t['sacutedotaccent'] = 0x1E65;
- t['sadarabic'] = 0x0635;
- t['sadeva'] = 0x0938;
- t['sadfinalarabic'] = 0xFEBA;
- t['sadinitialarabic'] = 0xFEBB;
- t['sadmedialarabic'] = 0xFEBC;
- t['sagujarati'] = 0x0AB8;
- t['sagurmukhi'] = 0x0A38;
- t['sahiragana'] = 0x3055;
- t['sakatakana'] = 0x30B5;
- t['sakatakanahalfwidth'] = 0xFF7B;
- t['sallallahoualayhewasallamarabic'] = 0xFDFA;
- t['samekh'] = 0x05E1;
- t['samekhdagesh'] = 0xFB41;
- t['samekhdageshhebrew'] = 0xFB41;
- t['samekhhebrew'] = 0x05E1;
- t['saraaathai'] = 0x0E32;
- t['saraaethai'] = 0x0E41;
- t['saraaimaimalaithai'] = 0x0E44;
- t['saraaimaimuanthai'] = 0x0E43;
- t['saraamthai'] = 0x0E33;
- t['saraathai'] = 0x0E30;
- t['saraethai'] = 0x0E40;
- t['saraiileftthai'] = 0xF886;
- t['saraiithai'] = 0x0E35;
- t['saraileftthai'] = 0xF885;
- t['saraithai'] = 0x0E34;
- t['saraothai'] = 0x0E42;
- t['saraueeleftthai'] = 0xF888;
- t['saraueethai'] = 0x0E37;
- t['saraueleftthai'] = 0xF887;
- t['sarauethai'] = 0x0E36;
- t['sarauthai'] = 0x0E38;
- t['sarauuthai'] = 0x0E39;
- t['sbopomofo'] = 0x3119;
- t['scaron'] = 0x0161;
- t['scarondotaccent'] = 0x1E67;
- t['scedilla'] = 0x015F;
- t['schwa'] = 0x0259;
- t['schwacyrillic'] = 0x04D9;
- t['schwadieresiscyrillic'] = 0x04DB;
- t['schwahook'] = 0x025A;
- t['scircle'] = 0x24E2;
- t['scircumflex'] = 0x015D;
- t['scommaaccent'] = 0x0219;
- t['sdotaccent'] = 0x1E61;
- t['sdotbelow'] = 0x1E63;
- t['sdotbelowdotaccent'] = 0x1E69;
- t['seagullbelowcmb'] = 0x033C;
- t['second'] = 0x2033;
- t['secondtonechinese'] = 0x02CA;
- t['section'] = 0x00A7;
- t['seenarabic'] = 0x0633;
- t['seenfinalarabic'] = 0xFEB2;
- t['seeninitialarabic'] = 0xFEB3;
- t['seenmedialarabic'] = 0xFEB4;
- t['segol'] = 0x05B6;
- t['segol13'] = 0x05B6;
- t['segol1f'] = 0x05B6;
- t['segol2c'] = 0x05B6;
- t['segolhebrew'] = 0x05B6;
- t['segolnarrowhebrew'] = 0x05B6;
- t['segolquarterhebrew'] = 0x05B6;
- t['segoltahebrew'] = 0x0592;
- t['segolwidehebrew'] = 0x05B6;
- t['seharmenian'] = 0x057D;
- t['sehiragana'] = 0x305B;
- t['sekatakana'] = 0x30BB;
- t['sekatakanahalfwidth'] = 0xFF7E;
- t['semicolon'] = 0x003B;
- t['semicolonarabic'] = 0x061B;
- t['semicolonmonospace'] = 0xFF1B;
- t['semicolonsmall'] = 0xFE54;
- t['semivoicedmarkkana'] = 0x309C;
- t['semivoicedmarkkanahalfwidth'] = 0xFF9F;
- t['sentisquare'] = 0x3322;
- t['sentosquare'] = 0x3323;
- t['seven'] = 0x0037;
- t['sevenarabic'] = 0x0667;
- t['sevenbengali'] = 0x09ED;
- t['sevencircle'] = 0x2466;
- t['sevencircleinversesansserif'] = 0x2790;
- t['sevendeva'] = 0x096D;
- t['seveneighths'] = 0x215E;
- t['sevengujarati'] = 0x0AED;
- t['sevengurmukhi'] = 0x0A6D;
- t['sevenhackarabic'] = 0x0667;
- t['sevenhangzhou'] = 0x3027;
- t['sevenideographicparen'] = 0x3226;
- t['seveninferior'] = 0x2087;
- t['sevenmonospace'] = 0xFF17;
- t['sevenoldstyle'] = 0xF737;
- t['sevenparen'] = 0x247A;
- t['sevenperiod'] = 0x248E;
- t['sevenpersian'] = 0x06F7;
- t['sevenroman'] = 0x2176;
- t['sevensuperior'] = 0x2077;
- t['seventeencircle'] = 0x2470;
- t['seventeenparen'] = 0x2484;
- t['seventeenperiod'] = 0x2498;
- t['seventhai'] = 0x0E57;
- t['sfthyphen'] = 0x00AD;
- t['shaarmenian'] = 0x0577;
- t['shabengali'] = 0x09B6;
- t['shacyrillic'] = 0x0448;
- t['shaddaarabic'] = 0x0651;
- t['shaddadammaarabic'] = 0xFC61;
- t['shaddadammatanarabic'] = 0xFC5E;
- t['shaddafathaarabic'] = 0xFC60;
- t['shaddakasraarabic'] = 0xFC62;
- t['shaddakasratanarabic'] = 0xFC5F;
- t['shade'] = 0x2592;
- t['shadedark'] = 0x2593;
- t['shadelight'] = 0x2591;
- t['shademedium'] = 0x2592;
- t['shadeva'] = 0x0936;
- t['shagujarati'] = 0x0AB6;
- t['shagurmukhi'] = 0x0A36;
- t['shalshelethebrew'] = 0x0593;
- t['shbopomofo'] = 0x3115;
- t['shchacyrillic'] = 0x0449;
- t['sheenarabic'] = 0x0634;
- t['sheenfinalarabic'] = 0xFEB6;
- t['sheeninitialarabic'] = 0xFEB7;
- t['sheenmedialarabic'] = 0xFEB8;
- t['sheicoptic'] = 0x03E3;
- t['sheqel'] = 0x20AA;
- t['sheqelhebrew'] = 0x20AA;
- t['sheva'] = 0x05B0;
- t['sheva115'] = 0x05B0;
- t['sheva15'] = 0x05B0;
- t['sheva22'] = 0x05B0;
- t['sheva2e'] = 0x05B0;
- t['shevahebrew'] = 0x05B0;
- t['shevanarrowhebrew'] = 0x05B0;
- t['shevaquarterhebrew'] = 0x05B0;
- t['shevawidehebrew'] = 0x05B0;
- t['shhacyrillic'] = 0x04BB;
- t['shimacoptic'] = 0x03ED;
- t['shin'] = 0x05E9;
- t['shindagesh'] = 0xFB49;
- t['shindageshhebrew'] = 0xFB49;
- t['shindageshshindot'] = 0xFB2C;
- t['shindageshshindothebrew'] = 0xFB2C;
- t['shindageshsindot'] = 0xFB2D;
- t['shindageshsindothebrew'] = 0xFB2D;
- t['shindothebrew'] = 0x05C1;
- t['shinhebrew'] = 0x05E9;
- t['shinshindot'] = 0xFB2A;
- t['shinshindothebrew'] = 0xFB2A;
- t['shinsindot'] = 0xFB2B;
- t['shinsindothebrew'] = 0xFB2B;
- t['shook'] = 0x0282;
- t['sigma'] = 0x03C3;
- t['sigma1'] = 0x03C2;
- t['sigmafinal'] = 0x03C2;
- t['sigmalunatesymbolgreek'] = 0x03F2;
- t['sihiragana'] = 0x3057;
- t['sikatakana'] = 0x30B7;
- t['sikatakanahalfwidth'] = 0xFF7C;
- t['siluqhebrew'] = 0x05BD;
- t['siluqlefthebrew'] = 0x05BD;
- t['similar'] = 0x223C;
- t['sindothebrew'] = 0x05C2;
- t['siosacirclekorean'] = 0x3274;
- t['siosaparenkorean'] = 0x3214;
- t['sioscieuckorean'] = 0x317E;
- t['sioscirclekorean'] = 0x3266;
- t['sioskiyeokkorean'] = 0x317A;
- t['sioskorean'] = 0x3145;
- t['siosnieunkorean'] = 0x317B;
- t['siosparenkorean'] = 0x3206;
- t['siospieupkorean'] = 0x317D;
- t['siostikeutkorean'] = 0x317C;
- t['six'] = 0x0036;
- t['sixarabic'] = 0x0666;
- t['sixbengali'] = 0x09EC;
- t['sixcircle'] = 0x2465;
- t['sixcircleinversesansserif'] = 0x278F;
- t['sixdeva'] = 0x096C;
- t['sixgujarati'] = 0x0AEC;
- t['sixgurmukhi'] = 0x0A6C;
- t['sixhackarabic'] = 0x0666;
- t['sixhangzhou'] = 0x3026;
- t['sixideographicparen'] = 0x3225;
- t['sixinferior'] = 0x2086;
- t['sixmonospace'] = 0xFF16;
- t['sixoldstyle'] = 0xF736;
- t['sixparen'] = 0x2479;
- t['sixperiod'] = 0x248D;
- t['sixpersian'] = 0x06F6;
- t['sixroman'] = 0x2175;
- t['sixsuperior'] = 0x2076;
- t['sixteencircle'] = 0x246F;
- t['sixteencurrencydenominatorbengali'] = 0x09F9;
- t['sixteenparen'] = 0x2483;
- t['sixteenperiod'] = 0x2497;
- t['sixthai'] = 0x0E56;
- t['slash'] = 0x002F;
- t['slashmonospace'] = 0xFF0F;
- t['slong'] = 0x017F;
- t['slongdotaccent'] = 0x1E9B;
- t['smileface'] = 0x263A;
- t['smonospace'] = 0xFF53;
- t['sofpasuqhebrew'] = 0x05C3;
- t['softhyphen'] = 0x00AD;
- t['softsigncyrillic'] = 0x044C;
- t['sohiragana'] = 0x305D;
- t['sokatakana'] = 0x30BD;
- t['sokatakanahalfwidth'] = 0xFF7F;
- t['soliduslongoverlaycmb'] = 0x0338;
- t['solidusshortoverlaycmb'] = 0x0337;
- t['sorusithai'] = 0x0E29;
- t['sosalathai'] = 0x0E28;
- t['sosothai'] = 0x0E0B;
- t['sosuathai'] = 0x0E2A;
- t['space'] = 0x0020;
- t['spacehackarabic'] = 0x0020;
- t['spade'] = 0x2660;
- t['spadesuitblack'] = 0x2660;
- t['spadesuitwhite'] = 0x2664;
- t['sparen'] = 0x24AE;
- t['squarebelowcmb'] = 0x033B;
- t['squarecc'] = 0x33C4;
- t['squarecm'] = 0x339D;
- t['squarediagonalcrosshatchfill'] = 0x25A9;
- t['squarehorizontalfill'] = 0x25A4;
- t['squarekg'] = 0x338F;
- t['squarekm'] = 0x339E;
- t['squarekmcapital'] = 0x33CE;
- t['squareln'] = 0x33D1;
- t['squarelog'] = 0x33D2;
- t['squaremg'] = 0x338E;
- t['squaremil'] = 0x33D5;
- t['squaremm'] = 0x339C;
- t['squaremsquared'] = 0x33A1;
- t['squareorthogonalcrosshatchfill'] = 0x25A6;
- t['squareupperlefttolowerrightfill'] = 0x25A7;
- t['squareupperrighttolowerleftfill'] = 0x25A8;
- t['squareverticalfill'] = 0x25A5;
- t['squarewhitewithsmallblack'] = 0x25A3;
- t['srsquare'] = 0x33DB;
- t['ssabengali'] = 0x09B7;
- t['ssadeva'] = 0x0937;
- t['ssagujarati'] = 0x0AB7;
- t['ssangcieuckorean'] = 0x3149;
- t['ssanghieuhkorean'] = 0x3185;
- t['ssangieungkorean'] = 0x3180;
- t['ssangkiyeokkorean'] = 0x3132;
- t['ssangnieunkorean'] = 0x3165;
- t['ssangpieupkorean'] = 0x3143;
- t['ssangsioskorean'] = 0x3146;
- t['ssangtikeutkorean'] = 0x3138;
- t['ssuperior'] = 0xF6F2;
- t['sterling'] = 0x00A3;
- t['sterlingmonospace'] = 0xFFE1;
- t['strokelongoverlaycmb'] = 0x0336;
- t['strokeshortoverlaycmb'] = 0x0335;
- t['subset'] = 0x2282;
- t['subsetnotequal'] = 0x228A;
- t['subsetorequal'] = 0x2286;
- t['succeeds'] = 0x227B;
- t['suchthat'] = 0x220B;
- t['suhiragana'] = 0x3059;
- t['sukatakana'] = 0x30B9;
- t['sukatakanahalfwidth'] = 0xFF7D;
- t['sukunarabic'] = 0x0652;
- t['summation'] = 0x2211;
- t['sun'] = 0x263C;
- t['superset'] = 0x2283;
- t['supersetnotequal'] = 0x228B;
- t['supersetorequal'] = 0x2287;
- t['svsquare'] = 0x33DC;
- t['syouwaerasquare'] = 0x337C;
- t['t'] = 0x0074;
- t['tabengali'] = 0x09A4;
- t['tackdown'] = 0x22A4;
- t['tackleft'] = 0x22A3;
- t['tadeva'] = 0x0924;
- t['tagujarati'] = 0x0AA4;
- t['tagurmukhi'] = 0x0A24;
- t['taharabic'] = 0x0637;
- t['tahfinalarabic'] = 0xFEC2;
- t['tahinitialarabic'] = 0xFEC3;
- t['tahiragana'] = 0x305F;
- t['tahmedialarabic'] = 0xFEC4;
- t['taisyouerasquare'] = 0x337D;
- t['takatakana'] = 0x30BF;
- t['takatakanahalfwidth'] = 0xFF80;
- t['tatweelarabic'] = 0x0640;
- t['tau'] = 0x03C4;
- t['tav'] = 0x05EA;
- t['tavdages'] = 0xFB4A;
- t['tavdagesh'] = 0xFB4A;
- t['tavdageshhebrew'] = 0xFB4A;
- t['tavhebrew'] = 0x05EA;
- t['tbar'] = 0x0167;
- t['tbopomofo'] = 0x310A;
- t['tcaron'] = 0x0165;
- t['tccurl'] = 0x02A8;
- t['tcedilla'] = 0x0163;
- t['tcheharabic'] = 0x0686;
- t['tchehfinalarabic'] = 0xFB7B;
- t['tchehinitialarabic'] = 0xFB7C;
- t['tchehmedialarabic'] = 0xFB7D;
- t['tcircle'] = 0x24E3;
- t['tcircumflexbelow'] = 0x1E71;
- t['tcommaaccent'] = 0x0163;
- t['tdieresis'] = 0x1E97;
- t['tdotaccent'] = 0x1E6B;
- t['tdotbelow'] = 0x1E6D;
- t['tecyrillic'] = 0x0442;
- t['tedescendercyrillic'] = 0x04AD;
- t['teharabic'] = 0x062A;
- t['tehfinalarabic'] = 0xFE96;
- t['tehhahinitialarabic'] = 0xFCA2;
- t['tehhahisolatedarabic'] = 0xFC0C;
- t['tehinitialarabic'] = 0xFE97;
- t['tehiragana'] = 0x3066;
- t['tehjeeminitialarabic'] = 0xFCA1;
- t['tehjeemisolatedarabic'] = 0xFC0B;
- t['tehmarbutaarabic'] = 0x0629;
- t['tehmarbutafinalarabic'] = 0xFE94;
- t['tehmedialarabic'] = 0xFE98;
- t['tehmeeminitialarabic'] = 0xFCA4;
- t['tehmeemisolatedarabic'] = 0xFC0E;
- t['tehnoonfinalarabic'] = 0xFC73;
- t['tekatakana'] = 0x30C6;
- t['tekatakanahalfwidth'] = 0xFF83;
- t['telephone'] = 0x2121;
- t['telephoneblack'] = 0x260E;
- t['telishagedolahebrew'] = 0x05A0;
- t['telishaqetanahebrew'] = 0x05A9;
- t['tencircle'] = 0x2469;
- t['tenideographicparen'] = 0x3229;
- t['tenparen'] = 0x247D;
- t['tenperiod'] = 0x2491;
- t['tenroman'] = 0x2179;
- t['tesh'] = 0x02A7;
- t['tet'] = 0x05D8;
- t['tetdagesh'] = 0xFB38;
- t['tetdageshhebrew'] = 0xFB38;
- t['tethebrew'] = 0x05D8;
- t['tetsecyrillic'] = 0x04B5;
- t['tevirhebrew'] = 0x059B;
- t['tevirlefthebrew'] = 0x059B;
- t['thabengali'] = 0x09A5;
- t['thadeva'] = 0x0925;
- t['thagujarati'] = 0x0AA5;
- t['thagurmukhi'] = 0x0A25;
- t['thalarabic'] = 0x0630;
- t['thalfinalarabic'] = 0xFEAC;
- t['thanthakhatlowleftthai'] = 0xF898;
- t['thanthakhatlowrightthai'] = 0xF897;
- t['thanthakhatthai'] = 0x0E4C;
- t['thanthakhatupperleftthai'] = 0xF896;
- t['theharabic'] = 0x062B;
- t['thehfinalarabic'] = 0xFE9A;
- t['thehinitialarabic'] = 0xFE9B;
- t['thehmedialarabic'] = 0xFE9C;
- t['thereexists'] = 0x2203;
- t['therefore'] = 0x2234;
- t['theta'] = 0x03B8;
- t['theta1'] = 0x03D1;
- t['thetasymbolgreek'] = 0x03D1;
- t['thieuthacirclekorean'] = 0x3279;
- t['thieuthaparenkorean'] = 0x3219;
- t['thieuthcirclekorean'] = 0x326B;
- t['thieuthkorean'] = 0x314C;
- t['thieuthparenkorean'] = 0x320B;
- t['thirteencircle'] = 0x246C;
- t['thirteenparen'] = 0x2480;
- t['thirteenperiod'] = 0x2494;
- t['thonangmonthothai'] = 0x0E11;
- t['thook'] = 0x01AD;
- t['thophuthaothai'] = 0x0E12;
- t['thorn'] = 0x00FE;
- t['thothahanthai'] = 0x0E17;
- t['thothanthai'] = 0x0E10;
- t['thothongthai'] = 0x0E18;
- t['thothungthai'] = 0x0E16;
- t['thousandcyrillic'] = 0x0482;
- t['thousandsseparatorarabic'] = 0x066C;
- t['thousandsseparatorpersian'] = 0x066C;
- t['three'] = 0x0033;
- t['threearabic'] = 0x0663;
- t['threebengali'] = 0x09E9;
- t['threecircle'] = 0x2462;
- t['threecircleinversesansserif'] = 0x278C;
- t['threedeva'] = 0x0969;
- t['threeeighths'] = 0x215C;
- t['threegujarati'] = 0x0AE9;
- t['threegurmukhi'] = 0x0A69;
- t['threehackarabic'] = 0x0663;
- t['threehangzhou'] = 0x3023;
- t['threeideographicparen'] = 0x3222;
- t['threeinferior'] = 0x2083;
- t['threemonospace'] = 0xFF13;
- t['threenumeratorbengali'] = 0x09F6;
- t['threeoldstyle'] = 0xF733;
- t['threeparen'] = 0x2476;
- t['threeperiod'] = 0x248A;
- t['threepersian'] = 0x06F3;
- t['threequarters'] = 0x00BE;
- t['threequartersemdash'] = 0xF6DE;
- t['threeroman'] = 0x2172;
- t['threesuperior'] = 0x00B3;
- t['threethai'] = 0x0E53;
- t['thzsquare'] = 0x3394;
- t['tihiragana'] = 0x3061;
- t['tikatakana'] = 0x30C1;
- t['tikatakanahalfwidth'] = 0xFF81;
- t['tikeutacirclekorean'] = 0x3270;
- t['tikeutaparenkorean'] = 0x3210;
- t['tikeutcirclekorean'] = 0x3262;
- t['tikeutkorean'] = 0x3137;
- t['tikeutparenkorean'] = 0x3202;
- t['tilde'] = 0x02DC;
- t['tildebelowcmb'] = 0x0330;
- t['tildecmb'] = 0x0303;
- t['tildecomb'] = 0x0303;
- t['tildedoublecmb'] = 0x0360;
- t['tildeoperator'] = 0x223C;
- t['tildeoverlaycmb'] = 0x0334;
- t['tildeverticalcmb'] = 0x033E;
- t['timescircle'] = 0x2297;
- t['tipehahebrew'] = 0x0596;
- t['tipehalefthebrew'] = 0x0596;
- t['tippigurmukhi'] = 0x0A70;
- t['titlocyrilliccmb'] = 0x0483;
- t['tiwnarmenian'] = 0x057F;
- t['tlinebelow'] = 0x1E6F;
- t['tmonospace'] = 0xFF54;
- t['toarmenian'] = 0x0569;
- t['tohiragana'] = 0x3068;
- t['tokatakana'] = 0x30C8;
- t['tokatakanahalfwidth'] = 0xFF84;
- t['tonebarextrahighmod'] = 0x02E5;
- t['tonebarextralowmod'] = 0x02E9;
- t['tonebarhighmod'] = 0x02E6;
- t['tonebarlowmod'] = 0x02E8;
- t['tonebarmidmod'] = 0x02E7;
- t['tonefive'] = 0x01BD;
- t['tonesix'] = 0x0185;
- t['tonetwo'] = 0x01A8;
- t['tonos'] = 0x0384;
- t['tonsquare'] = 0x3327;
- t['topatakthai'] = 0x0E0F;
- t['tortoiseshellbracketleft'] = 0x3014;
- t['tortoiseshellbracketleftsmall'] = 0xFE5D;
- t['tortoiseshellbracketleftvertical'] = 0xFE39;
- t['tortoiseshellbracketright'] = 0x3015;
- t['tortoiseshellbracketrightsmall'] = 0xFE5E;
- t['tortoiseshellbracketrightvertical'] = 0xFE3A;
- t['totaothai'] = 0x0E15;
- t['tpalatalhook'] = 0x01AB;
- t['tparen'] = 0x24AF;
- t['trademark'] = 0x2122;
- t['trademarksans'] = 0xF8EA;
- t['trademarkserif'] = 0xF6DB;
- t['tretroflexhook'] = 0x0288;
- t['triagdn'] = 0x25BC;
- t['triaglf'] = 0x25C4;
- t['triagrt'] = 0x25BA;
- t['triagup'] = 0x25B2;
- t['ts'] = 0x02A6;
- t['tsadi'] = 0x05E6;
- t['tsadidagesh'] = 0xFB46;
- t['tsadidageshhebrew'] = 0xFB46;
- t['tsadihebrew'] = 0x05E6;
- t['tsecyrillic'] = 0x0446;
- t['tsere'] = 0x05B5;
- t['tsere12'] = 0x05B5;
- t['tsere1e'] = 0x05B5;
- t['tsere2b'] = 0x05B5;
- t['tserehebrew'] = 0x05B5;
- t['tserenarrowhebrew'] = 0x05B5;
- t['tserequarterhebrew'] = 0x05B5;
- t['tserewidehebrew'] = 0x05B5;
- t['tshecyrillic'] = 0x045B;
- t['tsuperior'] = 0xF6F3;
- t['ttabengali'] = 0x099F;
- t['ttadeva'] = 0x091F;
- t['ttagujarati'] = 0x0A9F;
- t['ttagurmukhi'] = 0x0A1F;
- t['tteharabic'] = 0x0679;
- t['ttehfinalarabic'] = 0xFB67;
- t['ttehinitialarabic'] = 0xFB68;
- t['ttehmedialarabic'] = 0xFB69;
- t['tthabengali'] = 0x09A0;
- t['tthadeva'] = 0x0920;
- t['tthagujarati'] = 0x0AA0;
- t['tthagurmukhi'] = 0x0A20;
- t['tturned'] = 0x0287;
- t['tuhiragana'] = 0x3064;
- t['tukatakana'] = 0x30C4;
- t['tukatakanahalfwidth'] = 0xFF82;
- t['tusmallhiragana'] = 0x3063;
- t['tusmallkatakana'] = 0x30C3;
- t['tusmallkatakanahalfwidth'] = 0xFF6F;
- t['twelvecircle'] = 0x246B;
- t['twelveparen'] = 0x247F;
- t['twelveperiod'] = 0x2493;
- t['twelveroman'] = 0x217B;
- t['twentycircle'] = 0x2473;
- t['twentyhangzhou'] = 0x5344;
- t['twentyparen'] = 0x2487;
- t['twentyperiod'] = 0x249B;
- t['two'] = 0x0032;
- t['twoarabic'] = 0x0662;
- t['twobengali'] = 0x09E8;
- t['twocircle'] = 0x2461;
- t['twocircleinversesansserif'] = 0x278B;
- t['twodeva'] = 0x0968;
- t['twodotenleader'] = 0x2025;
- t['twodotleader'] = 0x2025;
- t['twodotleadervertical'] = 0xFE30;
- t['twogujarati'] = 0x0AE8;
- t['twogurmukhi'] = 0x0A68;
- t['twohackarabic'] = 0x0662;
- t['twohangzhou'] = 0x3022;
- t['twoideographicparen'] = 0x3221;
- t['twoinferior'] = 0x2082;
- t['twomonospace'] = 0xFF12;
- t['twonumeratorbengali'] = 0x09F5;
- t['twooldstyle'] = 0xF732;
- t['twoparen'] = 0x2475;
- t['twoperiod'] = 0x2489;
- t['twopersian'] = 0x06F2;
- t['tworoman'] = 0x2171;
- t['twostroke'] = 0x01BB;
- t['twosuperior'] = 0x00B2;
- t['twothai'] = 0x0E52;
- t['twothirds'] = 0x2154;
- t['u'] = 0x0075;
- t['uacute'] = 0x00FA;
- t['ubar'] = 0x0289;
- t['ubengali'] = 0x0989;
- t['ubopomofo'] = 0x3128;
- t['ubreve'] = 0x016D;
- t['ucaron'] = 0x01D4;
- t['ucircle'] = 0x24E4;
- t['ucircumflex'] = 0x00FB;
- t['ucircumflexbelow'] = 0x1E77;
- t['ucyrillic'] = 0x0443;
- t['udattadeva'] = 0x0951;
- t['udblacute'] = 0x0171;
- t['udblgrave'] = 0x0215;
- t['udeva'] = 0x0909;
- t['udieresis'] = 0x00FC;
- t['udieresisacute'] = 0x01D8;
- t['udieresisbelow'] = 0x1E73;
- t['udieresiscaron'] = 0x01DA;
- t['udieresiscyrillic'] = 0x04F1;
- t['udieresisgrave'] = 0x01DC;
- t['udieresismacron'] = 0x01D6;
- t['udotbelow'] = 0x1EE5;
- t['ugrave'] = 0x00F9;
- t['ugujarati'] = 0x0A89;
- t['ugurmukhi'] = 0x0A09;
- t['uhiragana'] = 0x3046;
- t['uhookabove'] = 0x1EE7;
- t['uhorn'] = 0x01B0;
- t['uhornacute'] = 0x1EE9;
- t['uhorndotbelow'] = 0x1EF1;
- t['uhorngrave'] = 0x1EEB;
- t['uhornhookabove'] = 0x1EED;
- t['uhorntilde'] = 0x1EEF;
- t['uhungarumlaut'] = 0x0171;
- t['uhungarumlautcyrillic'] = 0x04F3;
- t['uinvertedbreve'] = 0x0217;
- t['ukatakana'] = 0x30A6;
- t['ukatakanahalfwidth'] = 0xFF73;
- t['ukcyrillic'] = 0x0479;
- t['ukorean'] = 0x315C;
- t['umacron'] = 0x016B;
- t['umacroncyrillic'] = 0x04EF;
- t['umacrondieresis'] = 0x1E7B;
- t['umatragurmukhi'] = 0x0A41;
- t['umonospace'] = 0xFF55;
- t['underscore'] = 0x005F;
- t['underscoredbl'] = 0x2017;
- t['underscoremonospace'] = 0xFF3F;
- t['underscorevertical'] = 0xFE33;
- t['underscorewavy'] = 0xFE4F;
- t['union'] = 0x222A;
- t['universal'] = 0x2200;
- t['uogonek'] = 0x0173;
- t['uparen'] = 0x24B0;
- t['upblock'] = 0x2580;
- t['upperdothebrew'] = 0x05C4;
- t['upsilon'] = 0x03C5;
- t['upsilondieresis'] = 0x03CB;
- t['upsilondieresistonos'] = 0x03B0;
- t['upsilonlatin'] = 0x028A;
- t['upsilontonos'] = 0x03CD;
- t['uptackbelowcmb'] = 0x031D;
- t['uptackmod'] = 0x02D4;
- t['uragurmukhi'] = 0x0A73;
- t['uring'] = 0x016F;
- t['ushortcyrillic'] = 0x045E;
- t['usmallhiragana'] = 0x3045;
- t['usmallkatakana'] = 0x30A5;
- t['usmallkatakanahalfwidth'] = 0xFF69;
- t['ustraightcyrillic'] = 0x04AF;
- t['ustraightstrokecyrillic'] = 0x04B1;
- t['utilde'] = 0x0169;
- t['utildeacute'] = 0x1E79;
- t['utildebelow'] = 0x1E75;
- t['uubengali'] = 0x098A;
- t['uudeva'] = 0x090A;
- t['uugujarati'] = 0x0A8A;
- t['uugurmukhi'] = 0x0A0A;
- t['uumatragurmukhi'] = 0x0A42;
- t['uuvowelsignbengali'] = 0x09C2;
- t['uuvowelsigndeva'] = 0x0942;
- t['uuvowelsigngujarati'] = 0x0AC2;
- t['uvowelsignbengali'] = 0x09C1;
- t['uvowelsigndeva'] = 0x0941;
- t['uvowelsigngujarati'] = 0x0AC1;
- t['v'] = 0x0076;
- t['vadeva'] = 0x0935;
- t['vagujarati'] = 0x0AB5;
- t['vagurmukhi'] = 0x0A35;
- t['vakatakana'] = 0x30F7;
- t['vav'] = 0x05D5;
- t['vavdagesh'] = 0xFB35;
- t['vavdagesh65'] = 0xFB35;
- t['vavdageshhebrew'] = 0xFB35;
- t['vavhebrew'] = 0x05D5;
- t['vavholam'] = 0xFB4B;
- t['vavholamhebrew'] = 0xFB4B;
- t['vavvavhebrew'] = 0x05F0;
- t['vavyodhebrew'] = 0x05F1;
- t['vcircle'] = 0x24E5;
- t['vdotbelow'] = 0x1E7F;
- t['vecyrillic'] = 0x0432;
- t['veharabic'] = 0x06A4;
- t['vehfinalarabic'] = 0xFB6B;
- t['vehinitialarabic'] = 0xFB6C;
- t['vehmedialarabic'] = 0xFB6D;
- t['vekatakana'] = 0x30F9;
- t['venus'] = 0x2640;
- t['verticalbar'] = 0x007C;
- t['verticallineabovecmb'] = 0x030D;
- t['verticallinebelowcmb'] = 0x0329;
- t['verticallinelowmod'] = 0x02CC;
- t['verticallinemod'] = 0x02C8;
- t['vewarmenian'] = 0x057E;
- t['vhook'] = 0x028B;
- t['vikatakana'] = 0x30F8;
- t['viramabengali'] = 0x09CD;
- t['viramadeva'] = 0x094D;
- t['viramagujarati'] = 0x0ACD;
- t['visargabengali'] = 0x0983;
- t['visargadeva'] = 0x0903;
- t['visargagujarati'] = 0x0A83;
- t['vmonospace'] = 0xFF56;
- t['voarmenian'] = 0x0578;
- t['voicediterationhiragana'] = 0x309E;
- t['voicediterationkatakana'] = 0x30FE;
- t['voicedmarkkana'] = 0x309B;
- t['voicedmarkkanahalfwidth'] = 0xFF9E;
- t['vokatakana'] = 0x30FA;
- t['vparen'] = 0x24B1;
- t['vtilde'] = 0x1E7D;
- t['vturned'] = 0x028C;
- t['vuhiragana'] = 0x3094;
- t['vukatakana'] = 0x30F4;
- t['w'] = 0x0077;
- t['wacute'] = 0x1E83;
- t['waekorean'] = 0x3159;
- t['wahiragana'] = 0x308F;
- t['wakatakana'] = 0x30EF;
- t['wakatakanahalfwidth'] = 0xFF9C;
- t['wakorean'] = 0x3158;
- t['wasmallhiragana'] = 0x308E;
- t['wasmallkatakana'] = 0x30EE;
- t['wattosquare'] = 0x3357;
- t['wavedash'] = 0x301C;
- t['wavyunderscorevertical'] = 0xFE34;
- t['wawarabic'] = 0x0648;
- t['wawfinalarabic'] = 0xFEEE;
- t['wawhamzaabovearabic'] = 0x0624;
- t['wawhamzaabovefinalarabic'] = 0xFE86;
- t['wbsquare'] = 0x33DD;
- t['wcircle'] = 0x24E6;
- t['wcircumflex'] = 0x0175;
- t['wdieresis'] = 0x1E85;
- t['wdotaccent'] = 0x1E87;
- t['wdotbelow'] = 0x1E89;
- t['wehiragana'] = 0x3091;
- t['weierstrass'] = 0x2118;
- t['wekatakana'] = 0x30F1;
- t['wekorean'] = 0x315E;
- t['weokorean'] = 0x315D;
- t['wgrave'] = 0x1E81;
- t['whitebullet'] = 0x25E6;
- t['whitecircle'] = 0x25CB;
- t['whitecircleinverse'] = 0x25D9;
- t['whitecornerbracketleft'] = 0x300E;
- t['whitecornerbracketleftvertical'] = 0xFE43;
- t['whitecornerbracketright'] = 0x300F;
- t['whitecornerbracketrightvertical'] = 0xFE44;
- t['whitediamond'] = 0x25C7;
- t['whitediamondcontainingblacksmalldiamond'] = 0x25C8;
- t['whitedownpointingsmalltriangle'] = 0x25BF;
- t['whitedownpointingtriangle'] = 0x25BD;
- t['whiteleftpointingsmalltriangle'] = 0x25C3;
- t['whiteleftpointingtriangle'] = 0x25C1;
- t['whitelenticularbracketleft'] = 0x3016;
- t['whitelenticularbracketright'] = 0x3017;
- t['whiterightpointingsmalltriangle'] = 0x25B9;
- t['whiterightpointingtriangle'] = 0x25B7;
- t['whitesmallsquare'] = 0x25AB;
- t['whitesmilingface'] = 0x263A;
- t['whitesquare'] = 0x25A1;
- t['whitestar'] = 0x2606;
- t['whitetelephone'] = 0x260F;
- t['whitetortoiseshellbracketleft'] = 0x3018;
- t['whitetortoiseshellbracketright'] = 0x3019;
- t['whiteuppointingsmalltriangle'] = 0x25B5;
- t['whiteuppointingtriangle'] = 0x25B3;
- t['wihiragana'] = 0x3090;
- t['wikatakana'] = 0x30F0;
- t['wikorean'] = 0x315F;
- t['wmonospace'] = 0xFF57;
- t['wohiragana'] = 0x3092;
- t['wokatakana'] = 0x30F2;
- t['wokatakanahalfwidth'] = 0xFF66;
- t['won'] = 0x20A9;
- t['wonmonospace'] = 0xFFE6;
- t['wowaenthai'] = 0x0E27;
- t['wparen'] = 0x24B2;
- t['wring'] = 0x1E98;
- t['wsuperior'] = 0x02B7;
- t['wturned'] = 0x028D;
- t['wynn'] = 0x01BF;
- t['x'] = 0x0078;
- t['xabovecmb'] = 0x033D;
- t['xbopomofo'] = 0x3112;
- t['xcircle'] = 0x24E7;
- t['xdieresis'] = 0x1E8D;
- t['xdotaccent'] = 0x1E8B;
- t['xeharmenian'] = 0x056D;
- t['xi'] = 0x03BE;
- t['xmonospace'] = 0xFF58;
- t['xparen'] = 0x24B3;
- t['xsuperior'] = 0x02E3;
- t['y'] = 0x0079;
- t['yaadosquare'] = 0x334E;
- t['yabengali'] = 0x09AF;
- t['yacute'] = 0x00FD;
- t['yadeva'] = 0x092F;
- t['yaekorean'] = 0x3152;
- t['yagujarati'] = 0x0AAF;
- t['yagurmukhi'] = 0x0A2F;
- t['yahiragana'] = 0x3084;
- t['yakatakana'] = 0x30E4;
- t['yakatakanahalfwidth'] = 0xFF94;
- t['yakorean'] = 0x3151;
- t['yamakkanthai'] = 0x0E4E;
- t['yasmallhiragana'] = 0x3083;
- t['yasmallkatakana'] = 0x30E3;
- t['yasmallkatakanahalfwidth'] = 0xFF6C;
- t['yatcyrillic'] = 0x0463;
- t['ycircle'] = 0x24E8;
- t['ycircumflex'] = 0x0177;
- t['ydieresis'] = 0x00FF;
- t['ydotaccent'] = 0x1E8F;
- t['ydotbelow'] = 0x1EF5;
- t['yeharabic'] = 0x064A;
- t['yehbarreearabic'] = 0x06D2;
- t['yehbarreefinalarabic'] = 0xFBAF;
- t['yehfinalarabic'] = 0xFEF2;
- t['yehhamzaabovearabic'] = 0x0626;
- t['yehhamzaabovefinalarabic'] = 0xFE8A;
- t['yehhamzaaboveinitialarabic'] = 0xFE8B;
- t['yehhamzaabovemedialarabic'] = 0xFE8C;
- t['yehinitialarabic'] = 0xFEF3;
- t['yehmedialarabic'] = 0xFEF4;
- t['yehmeeminitialarabic'] = 0xFCDD;
- t['yehmeemisolatedarabic'] = 0xFC58;
- t['yehnoonfinalarabic'] = 0xFC94;
- t['yehthreedotsbelowarabic'] = 0x06D1;
- t['yekorean'] = 0x3156;
- t['yen'] = 0x00A5;
- t['yenmonospace'] = 0xFFE5;
- t['yeokorean'] = 0x3155;
- t['yeorinhieuhkorean'] = 0x3186;
- t['yerahbenyomohebrew'] = 0x05AA;
- t['yerahbenyomolefthebrew'] = 0x05AA;
- t['yericyrillic'] = 0x044B;
- t['yerudieresiscyrillic'] = 0x04F9;
- t['yesieungkorean'] = 0x3181;
- t['yesieungpansioskorean'] = 0x3183;
- t['yesieungsioskorean'] = 0x3182;
- t['yetivhebrew'] = 0x059A;
- t['ygrave'] = 0x1EF3;
- t['yhook'] = 0x01B4;
- t['yhookabove'] = 0x1EF7;
- t['yiarmenian'] = 0x0575;
- t['yicyrillic'] = 0x0457;
- t['yikorean'] = 0x3162;
- t['yinyang'] = 0x262F;
- t['yiwnarmenian'] = 0x0582;
- t['ymonospace'] = 0xFF59;
- t['yod'] = 0x05D9;
- t['yoddagesh'] = 0xFB39;
- t['yoddageshhebrew'] = 0xFB39;
- t['yodhebrew'] = 0x05D9;
- t['yodyodhebrew'] = 0x05F2;
- t['yodyodpatahhebrew'] = 0xFB1F;
- t['yohiragana'] = 0x3088;
- t['yoikorean'] = 0x3189;
- t['yokatakana'] = 0x30E8;
- t['yokatakanahalfwidth'] = 0xFF96;
- t['yokorean'] = 0x315B;
- t['yosmallhiragana'] = 0x3087;
- t['yosmallkatakana'] = 0x30E7;
- t['yosmallkatakanahalfwidth'] = 0xFF6E;
- t['yotgreek'] = 0x03F3;
- t['yoyaekorean'] = 0x3188;
- t['yoyakorean'] = 0x3187;
- t['yoyakthai'] = 0x0E22;
- t['yoyingthai'] = 0x0E0D;
- t['yparen'] = 0x24B4;
- t['ypogegrammeni'] = 0x037A;
- t['ypogegrammenigreekcmb'] = 0x0345;
- t['yr'] = 0x01A6;
- t['yring'] = 0x1E99;
- t['ysuperior'] = 0x02B8;
- t['ytilde'] = 0x1EF9;
- t['yturned'] = 0x028E;
- t['yuhiragana'] = 0x3086;
- t['yuikorean'] = 0x318C;
- t['yukatakana'] = 0x30E6;
- t['yukatakanahalfwidth'] = 0xFF95;
- t['yukorean'] = 0x3160;
- t['yusbigcyrillic'] = 0x046B;
- t['yusbigiotifiedcyrillic'] = 0x046D;
- t['yuslittlecyrillic'] = 0x0467;
- t['yuslittleiotifiedcyrillic'] = 0x0469;
- t['yusmallhiragana'] = 0x3085;
- t['yusmallkatakana'] = 0x30E5;
- t['yusmallkatakanahalfwidth'] = 0xFF6D;
- t['yuyekorean'] = 0x318B;
- t['yuyeokorean'] = 0x318A;
- t['yyabengali'] = 0x09DF;
- t['yyadeva'] = 0x095F;
- t['z'] = 0x007A;
- t['zaarmenian'] = 0x0566;
- t['zacute'] = 0x017A;
- t['zadeva'] = 0x095B;
- t['zagurmukhi'] = 0x0A5B;
- t['zaharabic'] = 0x0638;
- t['zahfinalarabic'] = 0xFEC6;
- t['zahinitialarabic'] = 0xFEC7;
- t['zahiragana'] = 0x3056;
- t['zahmedialarabic'] = 0xFEC8;
- t['zainarabic'] = 0x0632;
- t['zainfinalarabic'] = 0xFEB0;
- t['zakatakana'] = 0x30B6;
- t['zaqefgadolhebrew'] = 0x0595;
- t['zaqefqatanhebrew'] = 0x0594;
- t['zarqahebrew'] = 0x0598;
- t['zayin'] = 0x05D6;
- t['zayindagesh'] = 0xFB36;
- t['zayindageshhebrew'] = 0xFB36;
- t['zayinhebrew'] = 0x05D6;
- t['zbopomofo'] = 0x3117;
- t['zcaron'] = 0x017E;
- t['zcircle'] = 0x24E9;
- t['zcircumflex'] = 0x1E91;
- t['zcurl'] = 0x0291;
- t['zdot'] = 0x017C;
- t['zdotaccent'] = 0x017C;
- t['zdotbelow'] = 0x1E93;
- t['zecyrillic'] = 0x0437;
- t['zedescendercyrillic'] = 0x0499;
- t['zedieresiscyrillic'] = 0x04DF;
- t['zehiragana'] = 0x305C;
- t['zekatakana'] = 0x30BC;
- t['zero'] = 0x0030;
- t['zeroarabic'] = 0x0660;
- t['zerobengali'] = 0x09E6;
- t['zerodeva'] = 0x0966;
- t['zerogujarati'] = 0x0AE6;
- t['zerogurmukhi'] = 0x0A66;
- t['zerohackarabic'] = 0x0660;
- t['zeroinferior'] = 0x2080;
- t['zeromonospace'] = 0xFF10;
- t['zerooldstyle'] = 0xF730;
- t['zeropersian'] = 0x06F0;
- t['zerosuperior'] = 0x2070;
- t['zerothai'] = 0x0E50;
- t['zerowidthjoiner'] = 0xFEFF;
- t['zerowidthnonjoiner'] = 0x200C;
- t['zerowidthspace'] = 0x200B;
- t['zeta'] = 0x03B6;
- t['zhbopomofo'] = 0x3113;
- t['zhearmenian'] = 0x056A;
- t['zhebrevecyrillic'] = 0x04C2;
- t['zhecyrillic'] = 0x0436;
- t['zhedescendercyrillic'] = 0x0497;
- t['zhedieresiscyrillic'] = 0x04DD;
- t['zihiragana'] = 0x3058;
- t['zikatakana'] = 0x30B8;
- t['zinorhebrew'] = 0x05AE;
- t['zlinebelow'] = 0x1E95;
- t['zmonospace'] = 0xFF5A;
- t['zohiragana'] = 0x305E;
- t['zokatakana'] = 0x30BE;
- t['zparen'] = 0x24B5;
- t['zretroflexhook'] = 0x0290;
- t['zstroke'] = 0x01B6;
- t['zuhiragana'] = 0x305A;
- t['zukatakana'] = 0x30BA;
- t['.notdef'] = 0x0000;
- });
- var getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) {
- t['space'] = 0x0020;
- t['a1'] = 0x2701;
- t['a2'] = 0x2702;
- t['a202'] = 0x2703;
- t['a3'] = 0x2704;
- t['a4'] = 0x260E;
- t['a5'] = 0x2706;
- t['a119'] = 0x2707;
- t['a118'] = 0x2708;
- t['a117'] = 0x2709;
- t['a11'] = 0x261B;
- t['a12'] = 0x261E;
- t['a13'] = 0x270C;
- t['a14'] = 0x270D;
- t['a15'] = 0x270E;
- t['a16'] = 0x270F;
- t['a105'] = 0x2710;
- t['a17'] = 0x2711;
- t['a18'] = 0x2712;
- t['a19'] = 0x2713;
- t['a20'] = 0x2714;
- t['a21'] = 0x2715;
- t['a22'] = 0x2716;
- t['a23'] = 0x2717;
- t['a24'] = 0x2718;
- t['a25'] = 0x2719;
- t['a26'] = 0x271A;
- t['a27'] = 0x271B;
- t['a28'] = 0x271C;
- t['a6'] = 0x271D;
- t['a7'] = 0x271E;
- t['a8'] = 0x271F;
- t['a9'] = 0x2720;
- t['a10'] = 0x2721;
- t['a29'] = 0x2722;
- t['a30'] = 0x2723;
- t['a31'] = 0x2724;
- t['a32'] = 0x2725;
- t['a33'] = 0x2726;
- t['a34'] = 0x2727;
- t['a35'] = 0x2605;
- t['a36'] = 0x2729;
- t['a37'] = 0x272A;
- t['a38'] = 0x272B;
- t['a39'] = 0x272C;
- t['a40'] = 0x272D;
- t['a41'] = 0x272E;
- t['a42'] = 0x272F;
- t['a43'] = 0x2730;
- t['a44'] = 0x2731;
- t['a45'] = 0x2732;
- t['a46'] = 0x2733;
- t['a47'] = 0x2734;
- t['a48'] = 0x2735;
- t['a49'] = 0x2736;
- t['a50'] = 0x2737;
- t['a51'] = 0x2738;
- t['a52'] = 0x2739;
- t['a53'] = 0x273A;
- t['a54'] = 0x273B;
- t['a55'] = 0x273C;
- t['a56'] = 0x273D;
- t['a57'] = 0x273E;
- t['a58'] = 0x273F;
- t['a59'] = 0x2740;
- t['a60'] = 0x2741;
- t['a61'] = 0x2742;
- t['a62'] = 0x2743;
- t['a63'] = 0x2744;
- t['a64'] = 0x2745;
- t['a65'] = 0x2746;
- t['a66'] = 0x2747;
- t['a67'] = 0x2748;
- t['a68'] = 0x2749;
- t['a69'] = 0x274A;
- t['a70'] = 0x274B;
- t['a71'] = 0x25CF;
- t['a72'] = 0x274D;
- t['a73'] = 0x25A0;
- t['a74'] = 0x274F;
- t['a203'] = 0x2750;
- t['a75'] = 0x2751;
- t['a204'] = 0x2752;
- t['a76'] = 0x25B2;
- t['a77'] = 0x25BC;
- t['a78'] = 0x25C6;
- t['a79'] = 0x2756;
- t['a81'] = 0x25D7;
- t['a82'] = 0x2758;
- t['a83'] = 0x2759;
- t['a84'] = 0x275A;
- t['a97'] = 0x275B;
- t['a98'] = 0x275C;
- t['a99'] = 0x275D;
- t['a100'] = 0x275E;
- t['a101'] = 0x2761;
- t['a102'] = 0x2762;
- t['a103'] = 0x2763;
- t['a104'] = 0x2764;
- t['a106'] = 0x2765;
- t['a107'] = 0x2766;
- t['a108'] = 0x2767;
- t['a112'] = 0x2663;
- t['a111'] = 0x2666;
- t['a110'] = 0x2665;
- t['a109'] = 0x2660;
- t['a120'] = 0x2460;
- t['a121'] = 0x2461;
- t['a122'] = 0x2462;
- t['a123'] = 0x2463;
- t['a124'] = 0x2464;
- t['a125'] = 0x2465;
- t['a126'] = 0x2466;
- t['a127'] = 0x2467;
- t['a128'] = 0x2468;
- t['a129'] = 0x2469;
- t['a130'] = 0x2776;
- t['a131'] = 0x2777;
- t['a132'] = 0x2778;
- t['a133'] = 0x2779;
- t['a134'] = 0x277A;
- t['a135'] = 0x277B;
- t['a136'] = 0x277C;
- t['a137'] = 0x277D;
- t['a138'] = 0x277E;
- t['a139'] = 0x277F;
- t['a140'] = 0x2780;
- t['a141'] = 0x2781;
- t['a142'] = 0x2782;
- t['a143'] = 0x2783;
- t['a144'] = 0x2784;
- t['a145'] = 0x2785;
- t['a146'] = 0x2786;
- t['a147'] = 0x2787;
- t['a148'] = 0x2788;
- t['a149'] = 0x2789;
- t['a150'] = 0x278A;
- t['a151'] = 0x278B;
- t['a152'] = 0x278C;
- t['a153'] = 0x278D;
- t['a154'] = 0x278E;
- t['a155'] = 0x278F;
- t['a156'] = 0x2790;
- t['a157'] = 0x2791;
- t['a158'] = 0x2792;
- t['a159'] = 0x2793;
- t['a160'] = 0x2794;
- t['a161'] = 0x2192;
- t['a163'] = 0x2194;
- t['a164'] = 0x2195;
- t['a196'] = 0x2798;
- t['a165'] = 0x2799;
- t['a192'] = 0x279A;
- t['a166'] = 0x279B;
- t['a167'] = 0x279C;
- t['a168'] = 0x279D;
- t['a169'] = 0x279E;
- t['a170'] = 0x279F;
- t['a171'] = 0x27A0;
- t['a172'] = 0x27A1;
- t['a173'] = 0x27A2;
- t['a162'] = 0x27A3;
- t['a174'] = 0x27A4;
- t['a175'] = 0x27A5;
- t['a176'] = 0x27A6;
- t['a177'] = 0x27A7;
- t['a178'] = 0x27A8;
- t['a179'] = 0x27A9;
- t['a193'] = 0x27AA;
- t['a180'] = 0x27AB;
- t['a199'] = 0x27AC;
- t['a181'] = 0x27AD;
- t['a200'] = 0x27AE;
- t['a182'] = 0x27AF;
- t['a201'] = 0x27B1;
- t['a183'] = 0x27B2;
- t['a184'] = 0x27B3;
- t['a197'] = 0x27B4;
- t['a185'] = 0x27B5;
- t['a194'] = 0x27B6;
- t['a198'] = 0x27B7;
- t['a186'] = 0x27B8;
- t['a195'] = 0x27B9;
- t['a187'] = 0x27BA;
- t['a188'] = 0x27BB;
- t['a189'] = 0x27BC;
- t['a190'] = 0x27BD;
- t['a191'] = 0x27BE;
- t['a89'] = 0x2768;
- // 0xF8D7
- t['a90'] = 0x2769;
- // 0xF8D8
- t['a93'] = 0x276A;
- // 0xF8D9
- t['a94'] = 0x276B;
- // 0xF8DA
- t['a91'] = 0x276C;
- // 0xF8DB
- t['a92'] = 0x276D;
- // 0xF8DC
- t['a205'] = 0x276E;
- // 0xF8DD
- t['a85'] = 0x276F;
- // 0xF8DE
- t['a206'] = 0x2770;
- // 0xF8DF
- t['a86'] = 0x2771;
- // 0xF8E0
- t['a87'] = 0x2772;
- // 0xF8E1
- t['a88'] = 0x2773;
- // 0xF8E2
- t['a95'] = 0x2774;
- // 0xF8E3
- t['a96'] = 0x2775;
- // 0xF8E4
- t['.notdef'] = 0x0000;
- });
- exports.getGlyphsUnicode = getGlyphsUnicode;
- exports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreJbig2 = {}, root.pdfjsSharedUtil, root.pdfjsCoreArithmeticDecoder);
- }(this, function (exports, sharedUtil, coreArithmeticDecoder) {
- var error = sharedUtil.error;
- var log2 = sharedUtil.log2;
- var readInt8 = sharedUtil.readInt8;
- var readUint16 = sharedUtil.readUint16;
- var readUint32 = sharedUtil.readUint32;
- var shadow = sharedUtil.shadow;
- var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder;
- var Jbig2Image = function Jbig2ImageClosure() {
- // Utility data structures
- function ContextCache() {
- }
- ContextCache.prototype = {
- getContexts: function (id) {
- if (id in this) {
- return this[id];
- }
- return this[id] = new Int8Array(1 << 16);
- }
- };
- function DecodingContext(data, start, end) {
- this.data = data;
- this.start = start;
- this.end = end;
- }
- DecodingContext.prototype = {
- get decoder() {
- var decoder = new ArithmeticDecoder(this.data, this.start, this.end);
- return shadow(this, 'decoder', decoder);
- },
- get contextCache() {
- var cache = new ContextCache();
- return shadow(this, 'contextCache', cache);
- }
- };
- // Annex A. Arithmetic Integer Decoding Procedure
- // A.2 Procedure for decoding values
- function decodeInteger(contextCache, procedure, decoder) {
- var contexts = contextCache.getContexts(procedure);
- var prev = 1;
- function readBits(length) {
- var v = 0;
- for (var i = 0; i < length; i++) {
- var bit = decoder.readBit(contexts, prev);
- prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
- v = v << 1 | bit;
- }
- return v >>> 0;
- }
- var sign = readBits(1);
- var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);
- return sign === 0 ? value : value > 0 ? -value : null;
- }
- // A.3 The IAID decoding procedure
- function decodeIAID(contextCache, decoder, codeLength) {
- var contexts = contextCache.getContexts('IAID');
- var prev = 1;
- for (var i = 0; i < codeLength; i++) {
- var bit = decoder.readBit(contexts, prev);
- prev = prev << 1 | bit;
- }
- if (codeLength < 31) {
- return prev & (1 << codeLength) - 1;
- }
- return prev & 0x7FFFFFFF;
- }
- // 7.3 Segment types
- var SegmentTypes = [
- 'SymbolDictionary',
- null,
- null,
- null,
- 'IntermediateTextRegion',
- null,
- 'ImmediateTextRegion',
- 'ImmediateLosslessTextRegion',
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- 'patternDictionary',
- null,
- null,
- null,
- 'IntermediateHalftoneRegion',
- null,
- 'ImmediateHalftoneRegion',
- 'ImmediateLosslessHalftoneRegion',
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- 'IntermediateGenericRegion',
- null,
- 'ImmediateGenericRegion',
- 'ImmediateLosslessGenericRegion',
- 'IntermediateGenericRefinementRegion',
- null,
- 'ImmediateGenericRefinementRegion',
- 'ImmediateLosslessGenericRefinementRegion',
- null,
- null,
- null,
- null,
- 'PageInformation',
- 'EndOfPage',
- 'EndOfStripe',
- 'EndOfFile',
- 'Profiles',
- 'Tables',
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- null,
- 'Extension'
- ];
- var CodingTemplates = [
- [
- {
- x: -1,
- y: -2
- },
- {
- x: 0,
- y: -2
- },
- {
- x: 1,
- y: -2
- },
- {
- x: -2,
- y: -1
- },
- {
- x: -1,
- y: -1
- },
- {
- x: 0,
- y: -1
- },
- {
- x: 1,
- y: -1
- },
- {
- x: 2,
- y: -1
- },
- {
- x: -4,
- y: 0
- },
- {
- x: -3,
- y: 0
- },
- {
- x: -2,
- y: 0
- },
- {
- x: -1,
- y: 0
- }
- ],
- [
- {
- x: -1,
- y: -2
- },
- {
- x: 0,
- y: -2
- },
- {
- x: 1,
- y: -2
- },
- {
- x: 2,
- y: -2
- },
- {
- x: -2,
- y: -1
- },
- {
- x: -1,
- y: -1
- },
- {
- x: 0,
- y: -1
- },
- {
- x: 1,
- y: -1
- },
- {
- x: 2,
- y: -1
- },
- {
- x: -3,
- y: 0
- },
- {
- x: -2,
- y: 0
- },
- {
- x: -1,
- y: 0
- }
- ],
- [
- {
- x: -1,
- y: -2
- },
- {
- x: 0,
- y: -2
- },
- {
- x: 1,
- y: -2
- },
- {
- x: -2,
- y: -1
- },
- {
- x: -1,
- y: -1
- },
- {
- x: 0,
- y: -1
- },
- {
- x: 1,
- y: -1
- },
- {
- x: -2,
- y: 0
- },
- {
- x: -1,
- y: 0
- }
- ],
- [
- {
- x: -3,
- y: -1
- },
- {
- x: -2,
- y: -1
- },
- {
- x: -1,
- y: -1
- },
- {
- x: 0,
- y: -1
- },
- {
- x: 1,
- y: -1
- },
- {
- x: -4,
- y: 0
- },
- {
- x: -3,
- y: 0
- },
- {
- x: -2,
- y: 0
- },
- {
- x: -1,
- y: 0
- }
- ]
- ];
- var RefinementTemplates = [
- {
- coding: [
- {
- x: 0,
- y: -1
- },
- {
- x: 1,
- y: -1
- },
- {
- x: -1,
- y: 0
- }
- ],
- reference: [
- {
- x: 0,
- y: -1
- },
- {
- x: 1,
- y: -1
- },
- {
- x: -1,
- y: 0
- },
- {
- x: 0,
- y: 0
- },
- {
- x: 1,
- y: 0
- },
- {
- x: -1,
- y: 1
- },
- {
- x: 0,
- y: 1
- },
- {
- x: 1,
- y: 1
- }
- ]
- },
- {
- coding: [
- {
- x: -1,
- y: -1
- },
- {
- x: 0,
- y: -1
- },
- {
- x: 1,
- y: -1
- },
- {
- x: -1,
- y: 0
- }
- ],
- reference: [
- {
- x: 0,
- y: -1
- },
- {
- x: -1,
- y: 0
- },
- {
- x: 0,
- y: 0
- },
- {
- x: 1,
- y: 0
- },
- {
- x: 0,
- y: 1
- },
- {
- x: 1,
- y: 1
- }
- ]
- }
- ];
- // See 6.2.5.7 Decoding the bitmap.
- var ReusedContexts = [
- 0x9B25,
- // 10011 0110010 0101
- 0x0795,
- // 0011 110010 101
- 0x00E5,
- // 001 11001 01
- 0x0195
- ];
- // 011001 0101
- var RefinementReusedContexts = [
- 0x0020,
- // '000' + '0' (coding) + '00010000' + '0' (reference)
- 0x0008
- ];
- // '0000' + '001000'
- function decodeBitmapTemplate0(width, height, decodingContext) {
- var decoder = decodingContext.decoder;
- var contexts = decodingContext.contextCache.getContexts('GB');
- var contextLabel, i, j, pixel, row, row1, row2, bitmap = [];
- // ...ooooo....
- // ..ooooooo... Context template for current pixel (X)
- // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel)
- var OLD_PIXEL_MASK = 0x7BF7;
- // 01111 0111111 0111
- for (i = 0; i < height; i++) {
- row = bitmap[i] = new Uint8Array(width);
- row1 = i < 1 ? row : bitmap[i - 1];
- row2 = i < 2 ? row : bitmap[i - 2];
- // At the beginning of each row:
- // Fill contextLabel with pixels that are above/right of (X)
- contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
- for (j = 0; j < width; j++) {
- row[j] = pixel = decoder.readBit(contexts, contextLabel);
- // At each pixel: Clear contextLabel pixels that are shifted
- // out of the context, then add new ones.
- contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
- }
- }
- return bitmap;
- }
- // 6.2 Generic Region Decoding Procedure
- function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
- if (mmr) {
- error('JBIG2 error: MMR encoding is not supported');
- }
- // Use optimized version for the most common case
- if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
- return decodeBitmapTemplate0(width, height, decodingContext);
- }
- var useskip = !!skip;
- var template = CodingTemplates[templateIndex].concat(at);
- // Sorting is non-standard, and it is not required. But sorting increases
- // the number of template bits that can be reused from the previous
- // contextLabel in the main loop.
- template.sort(function (a, b) {
- return a.y - b.y || a.x - b.x;
- });
- var templateLength = template.length;
- var templateX = new Int8Array(templateLength);
- var templateY = new Int8Array(templateLength);
- var changingTemplateEntries = [];
- var reuseMask = 0, minX = 0, maxX = 0, minY = 0;
- var c, k;
- for (k = 0; k < templateLength; k++) {
- templateX[k] = template[k].x;
- templateY[k] = template[k].y;
- minX = Math.min(minX, template[k].x);
- maxX = Math.max(maxX, template[k].x);
- minY = Math.min(minY, template[k].y);
- // Check if the template pixel appears in two consecutive context labels,
- // so it can be reused. Otherwise, we add it to the list of changing
- // template entries.
- if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
- reuseMask |= 1 << templateLength - 1 - k;
- } else {
- changingTemplateEntries.push(k);
- }
- }
- var changingEntriesLength = changingTemplateEntries.length;
- var changingTemplateX = new Int8Array(changingEntriesLength);
- var changingTemplateY = new Int8Array(changingEntriesLength);
- var changingTemplateBit = new Uint16Array(changingEntriesLength);
- for (c = 0; c < changingEntriesLength; c++) {
- k = changingTemplateEntries[c];
- changingTemplateX[c] = template[k].x;
- changingTemplateY[c] = template[k].y;
- changingTemplateBit[c] = 1 << templateLength - 1 - k;
- }
- // Get the safe bounding box edges from the width, height, minX, maxX, minY
- var sbb_left = -minX;
- var sbb_top = -minY;
- var sbb_right = width - maxX;
- var pseudoPixelContext = ReusedContexts[templateIndex];
- var row = new Uint8Array(width);
- var bitmap = [];
- var decoder = decodingContext.decoder;
- var contexts = decodingContext.contextCache.getContexts('GB');
- var ltp = 0, j, i0, j0, contextLabel = 0, bit, shift;
- for (var i = 0; i < height; i++) {
- if (prediction) {
- var sltp = decoder.readBit(contexts, pseudoPixelContext);
- ltp ^= sltp;
- if (ltp) {
- bitmap.push(row);
- // duplicate previous row
- continue;
- }
- }
- row = new Uint8Array(row);
- bitmap.push(row);
- for (j = 0; j < width; j++) {
- if (useskip && skip[i][j]) {
- row[j] = 0;
- continue;
- }
- // Are we in the middle of a scanline, so we can reuse contextLabel
- // bits?
- if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
- // If yes, we can just shift the bits that are reusable and only
- // fetch the remaining ones.
- contextLabel = contextLabel << 1 & reuseMask;
- for (k = 0; k < changingEntriesLength; k++) {
- i0 = i + changingTemplateY[k];
- j0 = j + changingTemplateX[k];
- bit = bitmap[i0][j0];
- if (bit) {
- bit = changingTemplateBit[k];
- contextLabel |= bit;
- }
- }
- } else {
- // compute the contextLabel from scratch
- contextLabel = 0;
- shift = templateLength - 1;
- for (k = 0; k < templateLength; k++, shift--) {
- j0 = j + templateX[k];
- if (j0 >= 0 && j0 < width) {
- i0 = i + templateY[k];
- if (i0 >= 0) {
- bit = bitmap[i0][j0];
- if (bit) {
- contextLabel |= bit << shift;
- }
- }
- }
- }
- }
- var pixel = decoder.readBit(contexts, contextLabel);
- row[j] = pixel;
- }
- }
- return bitmap;
- }
- // 6.3.2 Generic Refinement Region Decoding Procedure
- function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
- var codingTemplate = RefinementTemplates[templateIndex].coding;
- if (templateIndex === 0) {
- codingTemplate = codingTemplate.concat([at[0]]);
- }
- var codingTemplateLength = codingTemplate.length;
- var codingTemplateX = new Int32Array(codingTemplateLength);
- var codingTemplateY = new Int32Array(codingTemplateLength);
- var k;
- for (k = 0; k < codingTemplateLength; k++) {
- codingTemplateX[k] = codingTemplate[k].x;
- codingTemplateY[k] = codingTemplate[k].y;
- }
- var referenceTemplate = RefinementTemplates[templateIndex].reference;
- if (templateIndex === 0) {
- referenceTemplate = referenceTemplate.concat([at[1]]);
- }
- var referenceTemplateLength = referenceTemplate.length;
- var referenceTemplateX = new Int32Array(referenceTemplateLength);
- var referenceTemplateY = new Int32Array(referenceTemplateLength);
- for (k = 0; k < referenceTemplateLength; k++) {
- referenceTemplateX[k] = referenceTemplate[k].x;
- referenceTemplateY[k] = referenceTemplate[k].y;
- }
- var referenceWidth = referenceBitmap[0].length;
- var referenceHeight = referenceBitmap.length;
- var pseudoPixelContext = RefinementReusedContexts[templateIndex];
- var bitmap = [];
- var decoder = decodingContext.decoder;
- var contexts = decodingContext.contextCache.getContexts('GR');
- var ltp = 0;
- for (var i = 0; i < height; i++) {
- if (prediction) {
- var sltp = decoder.readBit(contexts, pseudoPixelContext);
- ltp ^= sltp;
- if (ltp) {
- error('JBIG2 error: prediction is not supported');
- }
- }
- var row = new Uint8Array(width);
- bitmap.push(row);
- for (var j = 0; j < width; j++) {
- var i0, j0;
- var contextLabel = 0;
- for (k = 0; k < codingTemplateLength; k++) {
- i0 = i + codingTemplateY[k];
- j0 = j + codingTemplateX[k];
- if (i0 < 0 || j0 < 0 || j0 >= width) {
- contextLabel <<= 1;
- } else
- // out of bound pixel
- {
- contextLabel = contextLabel << 1 | bitmap[i0][j0];
- }
- }
- for (k = 0; k < referenceTemplateLength; k++) {
- i0 = i + referenceTemplateY[k] + offsetY;
- j0 = j + referenceTemplateX[k] + offsetX;
- if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
- contextLabel <<= 1;
- } else
- // out of bound pixel
- {
- contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
- }
- }
- var pixel = decoder.readBit(contexts, contextLabel);
- row[j] = pixel;
- }
- }
- return bitmap;
- }
- // 6.5.5 Decoding the symbol dictionary
- function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext) {
- if (huffman) {
- error('JBIG2 error: huffman is not supported');
- }
- var newSymbols = [];
- var currentHeight = 0;
- var symbolCodeLength = log2(symbols.length + numberOfNewSymbols);
- var decoder = decodingContext.decoder;
- var contextCache = decodingContext.contextCache;
- while (newSymbols.length < numberOfNewSymbols) {
- var deltaHeight = decodeInteger(contextCache, 'IADH', decoder);
- // 6.5.6
- currentHeight += deltaHeight;
- var currentWidth = 0;
- var totalWidth = 0;
- while (true) {
- var deltaWidth = decodeInteger(contextCache, 'IADW', decoder);
- // 6.5.7
- if (deltaWidth === null) {
- break;
- }
- // OOB
- currentWidth += deltaWidth;
- totalWidth += currentWidth;
- var bitmap;
- if (refinement) {
- // 6.5.8.2 Refinement/aggregate-coded symbol bitmap
- var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder);
- if (numberOfInstances > 1) {
- bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, //strip size
- symbols.concat(newSymbols), symbolCodeLength, 0, //transposed
- 0, //ds offset
- 1, //top left 7.4.3.1.1
- 0, //OR operator
- huffmanTables, refinementTemplateIndex, refinementAt, decodingContext);
- } else {
- var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
- var rdx = decodeInteger(contextCache, 'IARDX', decoder);
- // 6.4.11.3
- var rdy = decodeInteger(contextCache, 'IARDY', decoder);
- // 6.4.11.4
- var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
- bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
- }
- } else {
- // 6.5.8.1 Direct-coded symbol bitmap
- bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
- }
- newSymbols.push(bitmap);
- }
- }
- // 6.5.10 Exported symbols
- var exportedSymbols = [];
- var flags = [], currentFlag = false;
- var totalSymbolsLength = symbols.length + numberOfNewSymbols;
- while (flags.length < totalSymbolsLength) {
- var runLength = decodeInteger(contextCache, 'IAEX', decoder);
- while (runLength--) {
- flags.push(currentFlag);
- }
- currentFlag = !currentFlag;
- }
- for (var i = 0, ii = symbols.length; i < ii; i++) {
- if (flags[i]) {
- exportedSymbols.push(symbols[i]);
- }
- }
- for (var j = 0; j < numberOfNewSymbols; i++, j++) {
- if (flags[i]) {
- exportedSymbols.push(newSymbols[j]);
- }
- }
- return exportedSymbols;
- }
- function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext) {
- if (huffman) {
- error('JBIG2 error: huffman is not supported');
- }
- // Prepare bitmap
- var bitmap = [];
- var i, row;
- for (i = 0; i < height; i++) {
- row = new Uint8Array(width);
- if (defaultPixelValue) {
- for (var j = 0; j < width; j++) {
- row[j] = defaultPixelValue;
- }
- }
- bitmap.push(row);
- }
- var decoder = decodingContext.decoder;
- var contextCache = decodingContext.contextCache;
- var stripT = -decodeInteger(contextCache, 'IADT', decoder);
- // 6.4.6
- var firstS = 0;
- i = 0;
- while (i < numberOfSymbolInstances) {
- var deltaT = decodeInteger(contextCache, 'IADT', decoder);
- // 6.4.6
- stripT += deltaT;
- var deltaFirstS = decodeInteger(contextCache, 'IAFS', decoder);
- // 6.4.7
- firstS += deltaFirstS;
- var currentS = firstS;
- do {
- var currentT = stripSize === 1 ? 0 : decodeInteger(contextCache, 'IAIT', decoder);
- // 6.4.9
- var t = stripSize * stripT + currentT;
- var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
- var applyRefinement = refinement && decodeInteger(contextCache, 'IARI', decoder);
- var symbolBitmap = inputSymbols[symbolId];
- var symbolWidth = symbolBitmap[0].length;
- var symbolHeight = symbolBitmap.length;
- if (applyRefinement) {
- var rdw = decodeInteger(contextCache, 'IARDW', decoder);
- // 6.4.11.1
- var rdh = decodeInteger(contextCache, 'IARDH', decoder);
- // 6.4.11.2
- var rdx = decodeInteger(contextCache, 'IARDX', decoder);
- // 6.4.11.3
- var rdy = decodeInteger(contextCache, 'IARDY', decoder);
- // 6.4.11.4
- symbolWidth += rdw;
- symbolHeight += rdh;
- symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
- }
- var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight);
- var offsetS = currentS - (referenceCorner & 2 ? symbolWidth : 0);
- var s2, t2, symbolRow;
- if (transposed) {
- // Place Symbol Bitmap from T1,S1
- for (s2 = 0; s2 < symbolHeight; s2++) {
- row = bitmap[offsetS + s2];
- if (!row) {
- continue;
- }
- symbolRow = symbolBitmap[s2];
- // To ignore Parts of Symbol bitmap which goes
- // outside bitmap region
- var maxWidth = Math.min(width - offsetT, symbolWidth);
- switch (combinationOperator) {
- case 0:
- // OR
- for (t2 = 0; t2 < maxWidth; t2++) {
- row[offsetT + t2] |= symbolRow[t2];
- }
- break;
- case 2:
- // XOR
- for (t2 = 0; t2 < maxWidth; t2++) {
- row[offsetT + t2] ^= symbolRow[t2];
- }
- break;
- default:
- error('JBIG2 error: operator ' + combinationOperator + ' is not supported');
- }
- }
- currentS += symbolHeight - 1;
- } else {
- for (t2 = 0; t2 < symbolHeight; t2++) {
- row = bitmap[offsetT + t2];
- if (!row) {
- continue;
- }
- symbolRow = symbolBitmap[t2];
- switch (combinationOperator) {
- case 0:
- // OR
- for (s2 = 0; s2 < symbolWidth; s2++) {
- row[offsetS + s2] |= symbolRow[s2];
- }
- break;
- case 2:
- // XOR
- for (s2 = 0; s2 < symbolWidth; s2++) {
- row[offsetS + s2] ^= symbolRow[s2];
- }
- break;
- default:
- error('JBIG2 error: operator ' + combinationOperator + ' is not supported');
- }
- }
- currentS += symbolWidth - 1;
- }
- i++;
- var deltaS = decodeInteger(contextCache, 'IADS', decoder);
- // 6.4.8
- if (deltaS === null) {
- break;
- }
- // OOB
- currentS += deltaS + dsOffset;
- } while (true);
- }
- return bitmap;
- }
- function readSegmentHeader(data, start) {
- var segmentHeader = {};
- segmentHeader.number = readUint32(data, start);
- var flags = data[start + 4];
- var segmentType = flags & 0x3F;
- if (!SegmentTypes[segmentType]) {
- error('JBIG2 error: invalid segment type: ' + segmentType);
- }
- segmentHeader.type = segmentType;
- segmentHeader.typeName = SegmentTypes[segmentType];
- segmentHeader.deferredNonRetain = !!(flags & 0x80);
- var pageAssociationFieldSize = !!(flags & 0x40);
- var referredFlags = data[start + 5];
- var referredToCount = referredFlags >> 5 & 7;
- var retainBits = [referredFlags & 31];
- var position = start + 6;
- if (referredFlags === 7) {
- referredToCount = readUint32(data, position - 1) & 0x1FFFFFFF;
- position += 3;
- var bytes = referredToCount + 7 >> 3;
- retainBits[0] = data[position++];
- while (--bytes > 0) {
- retainBits.push(data[position++]);
- }
- } else if (referredFlags === 5 || referredFlags === 6) {
- error('JBIG2 error: invalid referred-to flags');
- }
- segmentHeader.retainBits = retainBits;
- var referredToSegmentNumberSize = segmentHeader.number <= 256 ? 1 : segmentHeader.number <= 65536 ? 2 : 4;
- var referredTo = [];
- var i, ii;
- for (i = 0; i < referredToCount; i++) {
- var number = referredToSegmentNumberSize === 1 ? data[position] : referredToSegmentNumberSize === 2 ? readUint16(data, position) : readUint32(data, position);
- referredTo.push(number);
- position += referredToSegmentNumberSize;
- }
- segmentHeader.referredTo = referredTo;
- if (!pageAssociationFieldSize) {
- segmentHeader.pageAssociation = data[position++];
- } else {
- segmentHeader.pageAssociation = readUint32(data, position);
- position += 4;
- }
- segmentHeader.length = readUint32(data, position);
- position += 4;
- if (segmentHeader.length === 0xFFFFFFFF) {
- // 7.2.7 Segment data length, unknown segment length
- if (segmentType === 38) {
- // ImmediateGenericRegion
- var genericRegionInfo = readRegionSegmentInformation(data, position);
- var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
- var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
- // searching for the segment end
- var searchPatternLength = 6;
- var searchPattern = new Uint8Array(searchPatternLength);
- if (!genericRegionMmr) {
- searchPattern[0] = 0xFF;
- searchPattern[1] = 0xAC;
- }
- searchPattern[2] = genericRegionInfo.height >>> 24 & 0xFF;
- searchPattern[3] = genericRegionInfo.height >> 16 & 0xFF;
- searchPattern[4] = genericRegionInfo.height >> 8 & 0xFF;
- searchPattern[5] = genericRegionInfo.height & 0xFF;
- for (i = position, ii = data.length; i < ii; i++) {
- var j = 0;
- while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
- j++;
- }
- if (j === searchPatternLength) {
- segmentHeader.length = i + searchPatternLength;
- break;
- }
- }
- if (segmentHeader.length === 0xFFFFFFFF) {
- error('JBIG2 error: segment end was not found');
- }
- } else {
- error('JBIG2 error: invalid unknown segment length');
- }
- }
- segmentHeader.headerEnd = position;
- return segmentHeader;
- }
- function readSegments(header, data, start, end) {
- var segments = [];
- var position = start;
- while (position < end) {
- var segmentHeader = readSegmentHeader(data, position);
- position = segmentHeader.headerEnd;
- var segment = {
- header: segmentHeader,
- data: data
- };
- if (!header.randomAccess) {
- segment.start = position;
- position += segmentHeader.length;
- segment.end = position;
- }
- segments.push(segment);
- if (segmentHeader.type === 51) {
- break;
- }
- }
- // end of file is found
- if (header.randomAccess) {
- for (var i = 0, ii = segments.length; i < ii; i++) {
- segments[i].start = position;
- position += segments[i].header.length;
- segments[i].end = position;
- }
- }
- return segments;
- }
- // 7.4.1 Region segment information field
- function readRegionSegmentInformation(data, start) {
- return {
- width: readUint32(data, start),
- height: readUint32(data, start + 4),
- x: readUint32(data, start + 8),
- y: readUint32(data, start + 12),
- combinationOperator: data[start + 16] & 7
- };
- }
- var RegionSegmentInformationFieldLength = 17;
- function processSegment(segment, visitor) {
- var header = segment.header;
- var data = segment.data, position = segment.start, end = segment.end;
- var args, at, i, atLength;
- switch (header.type) {
- case 0:
- // SymbolDictionary
- // 7.4.2 Symbol dictionary segment syntax
- var dictionary = {};
- var dictionaryFlags = readUint16(data, position);
- // 7.4.2.1.1
- dictionary.huffman = !!(dictionaryFlags & 1);
- dictionary.refinement = !!(dictionaryFlags & 2);
- dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
- dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
- dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
- dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
- dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
- dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
- dictionary.template = dictionaryFlags >> 10 & 3;
- dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
- position += 2;
- if (!dictionary.huffman) {
- atLength = dictionary.template === 0 ? 4 : 1;
- at = [];
- for (i = 0; i < atLength; i++) {
- at.push({
- x: readInt8(data, position),
- y: readInt8(data, position + 1)
- });
- position += 2;
- }
- dictionary.at = at;
- }
- if (dictionary.refinement && !dictionary.refinementTemplate) {
- at = [];
- for (i = 0; i < 2; i++) {
- at.push({
- x: readInt8(data, position),
- y: readInt8(data, position + 1)
- });
- position += 2;
- }
- dictionary.refinementAt = at;
- }
- dictionary.numberOfExportedSymbols = readUint32(data, position);
- position += 4;
- dictionary.numberOfNewSymbols = readUint32(data, position);
- position += 4;
- args = [
- dictionary,
- header.number,
- header.referredTo,
- data,
- position,
- end
- ];
- break;
- case 6:
- // ImmediateTextRegion
- case 7:
- // ImmediateLosslessTextRegion
- var textRegion = {};
- textRegion.info = readRegionSegmentInformation(data, position);
- position += RegionSegmentInformationFieldLength;
- var textRegionSegmentFlags = readUint16(data, position);
- position += 2;
- textRegion.huffman = !!(textRegionSegmentFlags & 1);
- textRegion.refinement = !!(textRegionSegmentFlags & 2);
- textRegion.stripSize = 1 << (textRegionSegmentFlags >> 2 & 3);
- textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
- textRegion.transposed = !!(textRegionSegmentFlags & 64);
- textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
- textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
- textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
- textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
- if (textRegion.huffman) {
- var textRegionHuffmanFlags = readUint16(data, position);
- position += 2;
- textRegion.huffmanFS = textRegionHuffmanFlags & 3;
- textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
- textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
- textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
- textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
- textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
- textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
- textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 14);
- }
- if (textRegion.refinement && !textRegion.refinementTemplate) {
- at = [];
- for (i = 0; i < 2; i++) {
- at.push({
- x: readInt8(data, position),
- y: readInt8(data, position + 1)
- });
- position += 2;
- }
- textRegion.refinementAt = at;
- }
- textRegion.numberOfSymbolInstances = readUint32(data, position);
- position += 4;
- // TODO 7.4.3.1.7 Symbol ID Huffman table decoding
- if (textRegion.huffman) {
- error('JBIG2 error: huffman is not supported');
- }
- args = [
- textRegion,
- header.referredTo,
- data,
- position,
- end
- ];
- break;
- case 38:
- // ImmediateGenericRegion
- case 39:
- // ImmediateLosslessGenericRegion
- var genericRegion = {};
- genericRegion.info = readRegionSegmentInformation(data, position);
- position += RegionSegmentInformationFieldLength;
- var genericRegionSegmentFlags = data[position++];
- genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
- genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
- genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
- if (!genericRegion.mmr) {
- atLength = genericRegion.template === 0 ? 4 : 1;
- at = [];
- for (i = 0; i < atLength; i++) {
- at.push({
- x: readInt8(data, position),
- y: readInt8(data, position + 1)
- });
- position += 2;
- }
- genericRegion.at = at;
- }
- args = [
- genericRegion,
- data,
- position,
- end
- ];
- break;
- case 48:
- // PageInformation
- var pageInfo = {
- width: readUint32(data, position),
- height: readUint32(data, position + 4),
- resolutionX: readUint32(data, position + 8),
- resolutionY: readUint32(data, position + 12)
- };
- if (pageInfo.height === 0xFFFFFFFF) {
- delete pageInfo.height;
- }
- var pageSegmentFlags = data[position + 16];
- var pageStripingInformation = readUint16(data, position + 17);
- pageInfo.lossless = !!(pageSegmentFlags & 1);
- pageInfo.refinement = !!(pageSegmentFlags & 2);
- pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
- pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
- pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
- pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
- args = [pageInfo];
- break;
- case 49:
- // EndOfPage
- break;
- case 50:
- // EndOfStripe
- break;
- case 51:
- // EndOfFile
- break;
- case 62:
- // 7.4.15 defines 2 extension types which
- // are comments and can be ignored.
- break;
- default:
- error('JBIG2 error: segment type ' + header.typeName + '(' + header.type + ') is not implemented');
- }
- var callbackName = 'on' + header.typeName;
- if (callbackName in visitor) {
- visitor[callbackName].apply(visitor, args);
- }
- }
- function processSegments(segments, visitor) {
- for (var i = 0, ii = segments.length; i < ii; i++) {
- processSegment(segments[i], visitor);
- }
- }
- function parseJbig2(data, start, end) {
- var position = start;
- if (data[position] !== 0x97 || data[position + 1] !== 0x4A || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0D || data[position + 5] !== 0x0A || data[position + 6] !== 0x1A || data[position + 7] !== 0x0A) {
- error('JBIG2 error: invalid header');
- }
- var header = {};
- position += 8;
- var flags = data[position++];
- header.randomAccess = !(flags & 1);
- if (!(flags & 2)) {
- header.numberOfPages = readUint32(data, position);
- position += 4;
- }
- var segments = readSegments(header, data, position, end);
- error('Not implemented');
- }
- // processSegments(segments, new SimpleSegmentVisitor());
- function parseJbig2Chunks(chunks) {
- var visitor = new SimpleSegmentVisitor();
- for (var i = 0, ii = chunks.length; i < ii; i++) {
- var chunk = chunks[i];
- var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
- processSegments(segments, visitor);
- }
- return visitor.buffer;
- }
- function SimpleSegmentVisitor() {
- }
- SimpleSegmentVisitor.prototype = {
- onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
- this.currentPageInfo = info;
- var rowSize = info.width + 7 >> 3;
- var buffer = new Uint8Array(rowSize * info.height);
- // The contents of ArrayBuffers are initialized to 0.
- // Fill the buffer with 0xFF only if info.defaultPixelValue is set
- if (info.defaultPixelValue) {
- for (var i = 0, ii = buffer.length; i < ii; i++) {
- buffer[i] = 0xFF;
- }
- }
- this.buffer = buffer;
- },
- drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
- var pageInfo = this.currentPageInfo;
- var width = regionInfo.width, height = regionInfo.height;
- var rowSize = pageInfo.width + 7 >> 3;
- var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
- var buffer = this.buffer;
- var mask0 = 128 >> (regionInfo.x & 7);
- var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
- var i, j, mask, offset;
- switch (combinationOperator) {
- case 0:
- // OR
- for (i = 0; i < height; i++) {
- mask = mask0;
- offset = offset0;
- for (j = 0; j < width; j++) {
- if (bitmap[i][j]) {
- buffer[offset] |= mask;
- }
- mask >>= 1;
- if (!mask) {
- mask = 128;
- offset++;
- }
- }
- offset0 += rowSize;
- }
- break;
- case 2:
- // XOR
- for (i = 0; i < height; i++) {
- mask = mask0;
- offset = offset0;
- for (j = 0; j < width; j++) {
- if (bitmap[i][j]) {
- buffer[offset] ^= mask;
- }
- mask >>= 1;
- if (!mask) {
- mask = 128;
- offset++;
- }
- }
- offset0 += rowSize;
- }
- break;
- default:
- error('JBIG2 error: operator ' + combinationOperator + ' is not supported');
- }
- },
- onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
- var regionInfo = region.info;
- var decodingContext = new DecodingContext(data, start, end);
- var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
- this.drawBitmap(regionInfo, bitmap);
- },
- onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
- this.onImmediateGenericRegion.apply(this, arguments);
- },
- onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
- var huffmanTables;
- if (dictionary.huffman) {
- error('JBIG2 error: huffman is not supported');
- }
- // Combines exported symbols from all referred segments
- var symbols = this.symbols;
- if (!symbols) {
- this.symbols = symbols = {};
- }
- var inputSymbols = [];
- for (var i = 0, ii = referredSegments.length; i < ii; i++) {
- inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]);
- }
- var decodingContext = new DecodingContext(data, start, end);
- symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext);
- },
- onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) {
- var regionInfo = region.info;
- var huffmanTables;
- // Combines exported symbols from all referred segments
- var symbols = this.symbols;
- var inputSymbols = [];
- for (var i = 0, ii = referredSegments.length; i < ii; i++) {
- inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]);
- }
- var symbolCodeLength = log2(inputSymbols.length);
- var decodingContext = new DecodingContext(data, start, end);
- var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext);
- this.drawBitmap(regionInfo, bitmap);
- },
- onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
- this.onImmediateTextRegion.apply(this, arguments);
- }
- };
- function Jbig2Image() {
- }
- Jbig2Image.prototype = {
- parseChunks: function Jbig2Image_parseChunks(chunks) {
- return parseJbig2Chunks(chunks);
- }
- };
- return Jbig2Image;
- }();
- exports.Jbig2Image = Jbig2Image;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreJpg = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var error = sharedUtil.error;
- /**
- * This code was forked from https://github.com/notmasteryet/jpgjs.
- * The original version was created by GitHub user notmasteryet.
- *
- * - The JPEG specification can be found in the ITU CCITT Recommendation T.81
- * (www.w3.org/Graphics/JPEG/itu-t81.pdf)
- * - The JFIF specification can be found in the JPEG File Interchange Format
- * (www.w3.org/Graphics/JPEG/jfif3.pdf)
- * - The Adobe Application-Specific JPEG markers in the
- * Supporting the DCT Filters in PostScript Level 2, Technical Note #5116
- * (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf)
- */
- var JpegImage = function JpegImageClosure() {
- var dctZigZag = new Uint8Array([
- 0,
- 1,
- 8,
- 16,
- 9,
- 2,
- 3,
- 10,
- 17,
- 24,
- 32,
- 25,
- 18,
- 11,
- 4,
- 5,
- 12,
- 19,
- 26,
- 33,
- 40,
- 48,
- 41,
- 34,
- 27,
- 20,
- 13,
- 6,
- 7,
- 14,
- 21,
- 28,
- 35,
- 42,
- 49,
- 56,
- 57,
- 50,
- 43,
- 36,
- 29,
- 22,
- 15,
- 23,
- 30,
- 37,
- 44,
- 51,
- 58,
- 59,
- 52,
- 45,
- 38,
- 31,
- 39,
- 46,
- 53,
- 60,
- 61,
- 54,
- 47,
- 55,
- 62,
- 63
- ]);
- var dctCos1 = 4017;
- // cos(pi/16)
- var dctSin1 = 799;
- // sin(pi/16)
- var dctCos3 = 3406;
- // cos(3*pi/16)
- var dctSin3 = 2276;
- // sin(3*pi/16)
- var dctCos6 = 1567;
- // cos(6*pi/16)
- var dctSin6 = 3784;
- // sin(6*pi/16)
- var dctSqrt2 = 5793;
- // sqrt(2)
- var dctSqrt1d2 = 2896;
- // sqrt(2) / 2
- function JpegImage() {
- this.decodeTransform = null;
- this.colorTransform = -1;
- }
- function buildHuffmanTable(codeLengths, values) {
- var k = 0, code = [], i, j, length = 16;
- while (length > 0 && !codeLengths[length - 1]) {
- length--;
- }
- code.push({
- children: [],
- index: 0
- });
- var p = code[0], q;
- for (i = 0; i < length; i++) {
- for (j = 0; j < codeLengths[i]; j++) {
- p = code.pop();
- p.children[p.index] = values[k];
- while (p.index > 0) {
- p = code.pop();
- }
- p.index++;
- code.push(p);
- while (code.length <= i) {
- code.push(q = {
- children: [],
- index: 0
- });
- p.children[p.index] = q.children;
- p = q;
- }
- k++;
- }
- if (i + 1 < length) {
- // p here points to last code
- code.push(q = {
- children: [],
- index: 0
- });
- p.children[p.index] = q.children;
- p = q;
- }
- }
- return code[0].children;
- }
- function getBlockBufferOffset(component, row, col) {
- return 64 * ((component.blocksPerLine + 1) * row + col);
- }
- function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) {
- var mcusPerLine = frame.mcusPerLine;
- var progressive = frame.progressive;
- var startOffset = offset, bitsData = 0, bitsCount = 0;
- function readBit() {
- if (bitsCount > 0) {
- bitsCount--;
- return bitsData >> bitsCount & 1;
- }
- bitsData = data[offset++];
- if (bitsData === 0xFF) {
- var nextByte = data[offset++];
- if (nextByte) {
- error('JPEG error: unexpected marker ' + (bitsData << 8 | nextByte).toString(16));
- }
- }
- // unstuff 0
- bitsCount = 7;
- return bitsData >>> 7;
- }
- function decodeHuffman(tree) {
- var node = tree;
- while (true) {
- node = node[readBit()];
- if (typeof node === 'number') {
- return node;
- }
- if (typeof node !== 'object') {
- error('JPEG error: invalid huffman sequence');
- }
- }
- }
- function receive(length) {
- var n = 0;
- while (length > 0) {
- n = n << 1 | readBit();
- length--;
- }
- return n;
- }
- function receiveAndExtend(length) {
- if (length === 1) {
- return readBit() === 1 ? 1 : -1;
- }
- var n = receive(length);
- if (n >= 1 << length - 1) {
- return n;
- }
- return n + (-1 << length) + 1;
- }
- function decodeBaseline(component, offset) {
- var t = decodeHuffman(component.huffmanTableDC);
- var diff = t === 0 ? 0 : receiveAndExtend(t);
- component.blockData[offset] = component.pred += diff;
- var k = 1;
- while (k < 64) {
- var rs = decodeHuffman(component.huffmanTableAC);
- var s = rs & 15, r = rs >> 4;
- if (s === 0) {
- if (r < 15) {
- break;
- }
- k += 16;
- continue;
- }
- k += r;
- var z = dctZigZag[k];
- component.blockData[offset + z] = receiveAndExtend(s);
- k++;
- }
- }
- function decodeDCFirst(component, offset) {
- var t = decodeHuffman(component.huffmanTableDC);
- var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
- component.blockData[offset] = component.pred += diff;
- }
- function decodeDCSuccessive(component, offset) {
- component.blockData[offset] |= readBit() << successive;
- }
- var eobrun = 0;
- function decodeACFirst(component, offset) {
- if (eobrun > 0) {
- eobrun--;
- return;
- }
- var k = spectralStart, e = spectralEnd;
- while (k <= e) {
- var rs = decodeHuffman(component.huffmanTableAC);
- var s = rs & 15, r = rs >> 4;
- if (s === 0) {
- if (r < 15) {
- eobrun = receive(r) + (1 << r) - 1;
- break;
- }
- k += 16;
- continue;
- }
- k += r;
- var z = dctZigZag[k];
- component.blockData[offset + z] = receiveAndExtend(s) * (1 << successive);
- k++;
- }
- }
- var successiveACState = 0, successiveACNextValue;
- function decodeACSuccessive(component, offset) {
- var k = spectralStart;
- var e = spectralEnd;
- var r = 0;
- var s;
- var rs;
- while (k <= e) {
- var z = dctZigZag[k];
- switch (successiveACState) {
- case 0:
- // initial state
- rs = decodeHuffman(component.huffmanTableAC);
- s = rs & 15;
- r = rs >> 4;
- if (s === 0) {
- if (r < 15) {
- eobrun = receive(r) + (1 << r);
- successiveACState = 4;
- } else {
- r = 16;
- successiveACState = 1;
- }
- } else {
- if (s !== 1) {
- error('JPEG error: invalid ACn encoding');
- }
- successiveACNextValue = receiveAndExtend(s);
- successiveACState = r ? 2 : 3;
- }
- continue;
- case 1:
- // skipping r zero items
- case 2:
- if (component.blockData[offset + z]) {
- component.blockData[offset + z] += readBit() << successive;
- } else {
- r--;
- if (r === 0) {
- successiveACState = successiveACState === 2 ? 3 : 0;
- }
- }
- break;
- case 3:
- // set value for a zero item
- if (component.blockData[offset + z]) {
- component.blockData[offset + z] += readBit() << successive;
- } else {
- component.blockData[offset + z] = successiveACNextValue << successive;
- successiveACState = 0;
- }
- break;
- case 4:
- // eob
- if (component.blockData[offset + z]) {
- component.blockData[offset + z] += readBit() << successive;
- }
- break;
- }
- k++;
- }
- if (successiveACState === 4) {
- eobrun--;
- if (eobrun === 0) {
- successiveACState = 0;
- }
- }
- }
- function decodeMcu(component, decode, mcu, row, col) {
- var mcuRow = mcu / mcusPerLine | 0;
- var mcuCol = mcu % mcusPerLine;
- var blockRow = mcuRow * component.v + row;
- var blockCol = mcuCol * component.h + col;
- var offset = getBlockBufferOffset(component, blockRow, blockCol);
- decode(component, offset);
- }
- function decodeBlock(component, decode, mcu) {
- var blockRow = mcu / component.blocksPerLine | 0;
- var blockCol = mcu % component.blocksPerLine;
- var offset = getBlockBufferOffset(component, blockRow, blockCol);
- decode(component, offset);
- }
- var componentsLength = components.length;
- var component, i, j, k, n;
- var decodeFn;
- if (progressive) {
- if (spectralStart === 0) {
- decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
- } else {
- decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
- }
- } else {
- decodeFn = decodeBaseline;
- }
- var mcu = 0, marker;
- var mcuExpected;
- if (componentsLength === 1) {
- mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
- } else {
- mcuExpected = mcusPerLine * frame.mcusPerColumn;
- }
- if (!resetInterval) {
- resetInterval = mcuExpected;
- }
- var h, v;
- while (mcu < mcuExpected) {
- // reset interval stuff
- for (i = 0; i < componentsLength; i++) {
- components[i].pred = 0;
- }
- eobrun = 0;
- if (componentsLength === 1) {
- component = components[0];
- for (n = 0; n < resetInterval; n++) {
- decodeBlock(component, decodeFn, mcu);
- mcu++;
- }
- } else {
- for (n = 0; n < resetInterval; n++) {
- for (i = 0; i < componentsLength; i++) {
- component = components[i];
- h = component.h;
- v = component.v;
- for (j = 0; j < v; j++) {
- for (k = 0; k < h; k++) {
- decodeMcu(component, decodeFn, mcu, j, k);
- }
- }
- }
- mcu++;
- }
- }
- // find marker
- bitsCount = 0;
- marker = data[offset] << 8 | data[offset + 1];
- // Some bad images seem to pad Scan blocks with zero bytes, skip past
- // those to attempt to find a valid marker (fixes issue4090.pdf).
- while (data[offset] === 0x00 && offset < data.length - 1) {
- offset++;
- marker = data[offset] << 8 | data[offset + 1];
- }
- if (marker <= 0xFF00) {
- error('JPEG error: marker was not found');
- }
- if (marker >= 0xFFD0 && marker <= 0xFFD7) {
- // RSTx
- offset += 2;
- } else {
- break;
- }
- }
- return offset - startOffset;
- }
- // A port of poppler's IDCT method which in turn is taken from:
- // Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz,
- // 'Practical Fast 1-D DCT Algorithms with 11 Multiplications',
- // IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989,
- // 988-991.
- function quantizeAndInverse(component, blockBufferOffset, p) {
- var qt = component.quantizationTable, blockData = component.blockData;
- var v0, v1, v2, v3, v4, v5, v6, v7;
- var p0, p1, p2, p3, p4, p5, p6, p7;
- var t;
- if (!qt) {
- error('JPEG error: missing required Quantization Table.');
- }
- // inverse DCT on rows
- for (var row = 0; row < 64; row += 8) {
- // gather block data
- p0 = blockData[blockBufferOffset + row];
- p1 = blockData[blockBufferOffset + row + 1];
- p2 = blockData[blockBufferOffset + row + 2];
- p3 = blockData[blockBufferOffset + row + 3];
- p4 = blockData[blockBufferOffset + row + 4];
- p5 = blockData[blockBufferOffset + row + 5];
- p6 = blockData[blockBufferOffset + row + 6];
- p7 = blockData[blockBufferOffset + row + 7];
- // dequant p0
- p0 *= qt[row];
- // check for all-zero AC coefficients
- if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
- t = dctSqrt2 * p0 + 512 >> 10;
- p[row] = t;
- p[row + 1] = t;
- p[row + 2] = t;
- p[row + 3] = t;
- p[row + 4] = t;
- p[row + 5] = t;
- p[row + 6] = t;
- p[row + 7] = t;
- continue;
- }
- // dequant p1 ... p7
- p1 *= qt[row + 1];
- p2 *= qt[row + 2];
- p3 *= qt[row + 3];
- p4 *= qt[row + 4];
- p5 *= qt[row + 5];
- p6 *= qt[row + 6];
- p7 *= qt[row + 7];
- // stage 4
- v0 = dctSqrt2 * p0 + 128 >> 8;
- v1 = dctSqrt2 * p4 + 128 >> 8;
- v2 = p2;
- v3 = p6;
- v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
- v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
- v5 = p3 << 4;
- v6 = p5 << 4;
- // stage 3
- v0 = v0 + v1 + 1 >> 1;
- v1 = v0 - v1;
- t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
- v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
- v3 = t;
- v4 = v4 + v6 + 1 >> 1;
- v6 = v4 - v6;
- v7 = v7 + v5 + 1 >> 1;
- v5 = v7 - v5;
- // stage 2
- v0 = v0 + v3 + 1 >> 1;
- v3 = v0 - v3;
- v1 = v1 + v2 + 1 >> 1;
- v2 = v1 - v2;
- t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
- v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
- v7 = t;
- t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
- v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
- v6 = t;
- // stage 1
- p[row] = v0 + v7;
- p[row + 7] = v0 - v7;
- p[row + 1] = v1 + v6;
- p[row + 6] = v1 - v6;
- p[row + 2] = v2 + v5;
- p[row + 5] = v2 - v5;
- p[row + 3] = v3 + v4;
- p[row + 4] = v3 - v4;
- }
- // inverse DCT on columns
- for (var col = 0; col < 8; ++col) {
- p0 = p[col];
- p1 = p[col + 8];
- p2 = p[col + 16];
- p3 = p[col + 24];
- p4 = p[col + 32];
- p5 = p[col + 40];
- p6 = p[col + 48];
- p7 = p[col + 56];
- // check for all-zero AC coefficients
- if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
- t = dctSqrt2 * p0 + 8192 >> 14;
- // convert to 8 bit
- t = t < -2040 ? 0 : t >= 2024 ? 255 : t + 2056 >> 4;
- blockData[blockBufferOffset + col] = t;
- blockData[blockBufferOffset + col + 8] = t;
- blockData[blockBufferOffset + col + 16] = t;
- blockData[blockBufferOffset + col + 24] = t;
- blockData[blockBufferOffset + col + 32] = t;
- blockData[blockBufferOffset + col + 40] = t;
- blockData[blockBufferOffset + col + 48] = t;
- blockData[blockBufferOffset + col + 56] = t;
- continue;
- }
- // stage 4
- v0 = dctSqrt2 * p0 + 2048 >> 12;
- v1 = dctSqrt2 * p4 + 2048 >> 12;
- v2 = p2;
- v3 = p6;
- v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
- v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
- v5 = p3;
- v6 = p5;
- // stage 3
- // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when
- // converting to UInt8 range later.
- v0 = (v0 + v1 + 1 >> 1) + 4112;
- v1 = v0 - v1;
- t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
- v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
- v3 = t;
- v4 = v4 + v6 + 1 >> 1;
- v6 = v4 - v6;
- v7 = v7 + v5 + 1 >> 1;
- v5 = v7 - v5;
- // stage 2
- v0 = v0 + v3 + 1 >> 1;
- v3 = v0 - v3;
- v1 = v1 + v2 + 1 >> 1;
- v2 = v1 - v2;
- t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
- v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
- v7 = t;
- t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
- v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
- v6 = t;
- // stage 1
- p0 = v0 + v7;
- p7 = v0 - v7;
- p1 = v1 + v6;
- p6 = v1 - v6;
- p2 = v2 + v5;
- p5 = v2 - v5;
- p3 = v3 + v4;
- p4 = v3 - v4;
- // convert to 8-bit integers
- p0 = p0 < 16 ? 0 : p0 >= 4080 ? 255 : p0 >> 4;
- p1 = p1 < 16 ? 0 : p1 >= 4080 ? 255 : p1 >> 4;
- p2 = p2 < 16 ? 0 : p2 >= 4080 ? 255 : p2 >> 4;
- p3 = p3 < 16 ? 0 : p3 >= 4080 ? 255 : p3 >> 4;
- p4 = p4 < 16 ? 0 : p4 >= 4080 ? 255 : p4 >> 4;
- p5 = p5 < 16 ? 0 : p5 >= 4080 ? 255 : p5 >> 4;
- p6 = p6 < 16 ? 0 : p6 >= 4080 ? 255 : p6 >> 4;
- p7 = p7 < 16 ? 0 : p7 >= 4080 ? 255 : p7 >> 4;
- // store block data
- blockData[blockBufferOffset + col] = p0;
- blockData[blockBufferOffset + col + 8] = p1;
- blockData[blockBufferOffset + col + 16] = p2;
- blockData[blockBufferOffset + col + 24] = p3;
- blockData[blockBufferOffset + col + 32] = p4;
- blockData[blockBufferOffset + col + 40] = p5;
- blockData[blockBufferOffset + col + 48] = p6;
- blockData[blockBufferOffset + col + 56] = p7;
- }
- }
- function buildComponentData(frame, component) {
- var blocksPerLine = component.blocksPerLine;
- var blocksPerColumn = component.blocksPerColumn;
- var computationBuffer = new Int16Array(64);
- for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
- for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
- var offset = getBlockBufferOffset(component, blockRow, blockCol);
- quantizeAndInverse(component, offset, computationBuffer);
- }
- }
- return component.blockData;
- }
- function clamp0to255(a) {
- return a <= 0 ? 0 : a >= 255 ? 255 : a;
- }
- JpegImage.prototype = {
- parse: function parse(data) {
- function readUint16() {
- var value = data[offset] << 8 | data[offset + 1];
- offset += 2;
- return value;
- }
- function readDataBlock() {
- var length = readUint16();
- var array = data.subarray(offset, offset + length - 2);
- offset += array.length;
- return array;
- }
- function prepareComponents(frame) {
- var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
- var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
- for (var i = 0; i < frame.components.length; i++) {
- component = frame.components[i];
- var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
- var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
- var blocksPerLineForMcu = mcusPerLine * component.h;
- var blocksPerColumnForMcu = mcusPerColumn * component.v;
- var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
- component.blockData = new Int16Array(blocksBufferSize);
- component.blocksPerLine = blocksPerLine;
- component.blocksPerColumn = blocksPerColumn;
- }
- frame.mcusPerLine = mcusPerLine;
- frame.mcusPerColumn = mcusPerColumn;
- }
- var offset = 0;
- var jfif = null;
- var adobe = null;
- var frame, resetInterval;
- var quantizationTables = [];
- var huffmanTablesAC = [], huffmanTablesDC = [];
- var fileMarker = readUint16();
- if (fileMarker !== 0xFFD8) {
- // SOI (Start of Image)
- error('JPEG error: SOI not found');
- }
- fileMarker = readUint16();
- while (fileMarker !== 0xFFD9) {
- // EOI (End of image)
- var i, j, l;
- switch (fileMarker) {
- case 0xFFE0:
- // APP0 (Application Specific)
- case 0xFFE1:
- // APP1
- case 0xFFE2:
- // APP2
- case 0xFFE3:
- // APP3
- case 0xFFE4:
- // APP4
- case 0xFFE5:
- // APP5
- case 0xFFE6:
- // APP6
- case 0xFFE7:
- // APP7
- case 0xFFE8:
- // APP8
- case 0xFFE9:
- // APP9
- case 0xFFEA:
- // APP10
- case 0xFFEB:
- // APP11
- case 0xFFEC:
- // APP12
- case 0xFFED:
- // APP13
- case 0xFFEE:
- // APP14
- case 0xFFEF:
- // APP15
- case 0xFFFE:
- // COM (Comment)
- var appData = readDataBlock();
- if (fileMarker === 0xFFE0) {
- if (appData[0] === 0x4A && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
- // 'JFIF\x00'
- jfif = {
- version: {
- major: appData[5],
- minor: appData[6]
- },
- densityUnits: appData[7],
- xDensity: appData[8] << 8 | appData[9],
- yDensity: appData[10] << 8 | appData[11],
- thumbWidth: appData[12],
- thumbHeight: appData[13],
- thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
- };
- }
- }
- // TODO APP1 - Exif
- if (fileMarker === 0xFFEE) {
- if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6F && appData[3] === 0x62 && appData[4] === 0x65) {
- // 'Adobe'
- adobe = {
- version: appData[5] << 8 | appData[6],
- flags0: appData[7] << 8 | appData[8],
- flags1: appData[9] << 8 | appData[10],
- transformCode: appData[11]
- };
- }
- }
- break;
- case 0xFFDB:
- // DQT (Define Quantization Tables)
- var quantizationTablesLength = readUint16();
- var quantizationTablesEnd = quantizationTablesLength + offset - 2;
- var z;
- while (offset < quantizationTablesEnd) {
- var quantizationTableSpec = data[offset++];
- var tableData = new Uint16Array(64);
- if (quantizationTableSpec >> 4 === 0) {
- // 8 bit values
- for (j = 0; j < 64; j++) {
- z = dctZigZag[j];
- tableData[z] = data[offset++];
- }
- } else if (quantizationTableSpec >> 4 === 1) {
- //16 bit
- for (j = 0; j < 64; j++) {
- z = dctZigZag[j];
- tableData[z] = readUint16();
- }
- } else {
- error('JPEG error: DQT - invalid table spec');
- }
- quantizationTables[quantizationTableSpec & 15] = tableData;
- }
- break;
- case 0xFFC0:
- // SOF0 (Start of Frame, Baseline DCT)
- case 0xFFC1:
- // SOF1 (Start of Frame, Extended DCT)
- case 0xFFC2:
- // SOF2 (Start of Frame, Progressive DCT)
- if (frame) {
- error('JPEG error: Only single frame JPEGs supported');
- }
- readUint16();
- // skip data length
- frame = {};
- frame.extended = fileMarker === 0xFFC1;
- frame.progressive = fileMarker === 0xFFC2;
- frame.precision = data[offset++];
- frame.scanLines = readUint16();
- frame.samplesPerLine = readUint16();
- frame.components = [];
- frame.componentIds = {};
- var componentsCount = data[offset++], componentId;
- var maxH = 0, maxV = 0;
- for (i = 0; i < componentsCount; i++) {
- componentId = data[offset];
- var h = data[offset + 1] >> 4;
- var v = data[offset + 1] & 15;
- if (maxH < h) {
- maxH = h;
- }
- if (maxV < v) {
- maxV = v;
- }
- var qId = data[offset + 2];
- l = frame.components.push({
- h: h,
- v: v,
- quantizationId: qId,
- quantizationTable: null
- });
- // See comment below.
- frame.componentIds[componentId] = l - 1;
- offset += 3;
- }
- frame.maxH = maxH;
- frame.maxV = maxV;
- prepareComponents(frame);
- break;
- case 0xFFC4:
- // DHT (Define Huffman Tables)
- var huffmanLength = readUint16();
- for (i = 2; i < huffmanLength;) {
- var huffmanTableSpec = data[offset++];
- var codeLengths = new Uint8Array(16);
- var codeLengthSum = 0;
- for (j = 0; j < 16; j++, offset++) {
- codeLengthSum += codeLengths[j] = data[offset];
- }
- var huffmanValues = new Uint8Array(codeLengthSum);
- for (j = 0; j < codeLengthSum; j++, offset++) {
- huffmanValues[j] = data[offset];
- }
- i += 17 + codeLengthSum;
- (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
- }
- break;
- case 0xFFDD:
- // DRI (Define Restart Interval)
- readUint16();
- // skip data length
- resetInterval = readUint16();
- break;
- case 0xFFDA:
- // SOS (Start of Scan)
- var scanLength = readUint16();
- var selectorsCount = data[offset++];
- var components = [], component;
- for (i = 0; i < selectorsCount; i++) {
- var componentIndex = frame.componentIds[data[offset++]];
- component = frame.components[componentIndex];
- var tableSpec = data[offset++];
- component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
- component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
- components.push(component);
- }
- var spectralStart = data[offset++];
- var spectralEnd = data[offset++];
- var successiveApproximation = data[offset++];
- var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15);
- offset += processed;
- break;
- case 0xFFFF:
- // Fill bytes
- if (data[offset] !== 0xFF) {
- // Avoid skipping a valid marker.
- offset--;
- }
- break;
- default:
- if (data[offset - 3] === 0xFF && data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) {
- // could be incorrect encoding -- last 0xFF byte of the previous
- // block was eaten by the encoder
- offset -= 3;
- break;
- }
- error('JPEG error: unknown marker ' + fileMarker.toString(16));
- }
- fileMarker = readUint16();
- }
- this.width = frame.samplesPerLine;
- this.height = frame.scanLines;
- this.jfif = jfif;
- this.adobe = adobe;
- this.components = [];
- for (i = 0; i < frame.components.length; i++) {
- component = frame.components[i];
- // Prevent errors when DQT markers are placed after SOF{n} markers,
- // by assigning the `quantizationTable` entry after the entire image
- // has been parsed (fixes issue7406.pdf).
- var quantizationTable = quantizationTables[component.quantizationId];
- if (quantizationTable) {
- component.quantizationTable = quantizationTable;
- }
- this.components.push({
- output: buildComponentData(frame, component),
- scaleX: component.h / frame.maxH,
- scaleY: component.v / frame.maxV,
- blocksPerLine: component.blocksPerLine,
- blocksPerColumn: component.blocksPerColumn
- });
- }
- this.numComponents = this.components.length;
- },
- _getLinearizedBlockData: function getLinearizedBlockData(width, height) {
- var scaleX = this.width / width, scaleY = this.height / height;
- var component, componentScaleX, componentScaleY, blocksPerScanline;
- var x, y, i, j, k;
- var index;
- var offset = 0;
- var output;
- var numComponents = this.components.length;
- var dataLength = width * height * numComponents;
- var data = new Uint8Array(dataLength);
- var xScaleBlockOffset = new Uint32Array(width);
- var mask3LSB = 0xfffffff8;
- // used to clear the 3 LSBs
- for (i = 0; i < numComponents; i++) {
- component = this.components[i];
- componentScaleX = component.scaleX * scaleX;
- componentScaleY = component.scaleY * scaleY;
- offset = i;
- output = component.output;
- blocksPerScanline = component.blocksPerLine + 1 << 3;
- // precalculate the xScaleBlockOffset
- for (x = 0; x < width; x++) {
- j = 0 | x * componentScaleX;
- xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
- }
- // linearize the blocks of the component
- for (y = 0; y < height; y++) {
- j = 0 | y * componentScaleY;
- index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
- for (x = 0; x < width; x++) {
- data[offset] = output[index + xScaleBlockOffset[x]];
- offset += numComponents;
- }
- }
- }
- // decodeTransform contains pairs of multiplier (-256..256) and additive
- var transform = this.decodeTransform;
- if (transform) {
- for (i = 0; i < dataLength;) {
- for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
- data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
- }
- }
- }
- return data;
- },
- _isColorConversionNeeded: function isColorConversionNeeded() {
- if (this.adobe && this.adobe.transformCode) {
- // The adobe transform marker overrides any previous setting
- return true;
- } else if (this.numComponents === 3) {
- if (!this.adobe && this.colorTransform === 0) {
- // If the Adobe transform marker is not present and the image
- // dictionary has a 'ColorTransform' entry, explicitly set to `0`,
- // then the colours should *not* be transformed.
- return false;
- }
- return true;
- } else {
- // `this.numComponents !== 3`
- if (!this.adobe && this.colorTransform === 1) {
- // If the Adobe transform marker is not present and the image
- // dictionary has a 'ColorTransform' entry, explicitly set to `1`,
- // then the colours should be transformed.
- return true;
- }
- return false;
- }
- },
- _convertYccToRgb: function convertYccToRgb(data) {
- var Y, Cb, Cr;
- for (var i = 0, length = data.length; i < length; i += 3) {
- Y = data[i];
- Cb = data[i + 1];
- Cr = data[i + 2];
- data[i] = clamp0to255(Y - 179.456 + 1.402 * Cr);
- data[i + 1] = clamp0to255(Y + 135.459 - 0.344 * Cb - 0.714 * Cr);
- data[i + 2] = clamp0to255(Y - 226.816 + 1.772 * Cb);
- }
- return data;
- },
- _convertYcckToRgb: function convertYcckToRgb(data) {
- var Y, Cb, Cr, k;
- var offset = 0;
- for (var i = 0, length = data.length; i < length; i += 4) {
- Y = data[i];
- Cb = data[i + 1];
- Cr = data[i + 2];
- k = data[i + 3];
- var r = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
- var g = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
- var b = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
- data[offset++] = clamp0to255(r);
- data[offset++] = clamp0to255(g);
- data[offset++] = clamp0to255(b);
- }
- return data;
- },
- _convertYcckToCmyk: function convertYcckToCmyk(data) {
- var Y, Cb, Cr;
- for (var i = 0, length = data.length; i < length; i += 4) {
- Y = data[i];
- Cb = data[i + 1];
- Cr = data[i + 2];
- data[i] = clamp0to255(434.456 - Y - 1.402 * Cr);
- data[i + 1] = clamp0to255(119.541 - Y + 0.344 * Cb + 0.714 * Cr);
- data[i + 2] = clamp0to255(481.816 - Y - 1.772 * Cb);
- }
- // K in data[i + 3] is unchanged
- return data;
- },
- _convertCmykToRgb: function convertCmykToRgb(data) {
- var c, m, y, k;
- var offset = 0;
- var min = -255 * 255 * 255;
- var scale = 1 / 255 / 255;
- for (var i = 0, length = data.length; i < length; i += 4) {
- c = data[i];
- m = data[i + 1];
- y = data[i + 2];
- k = data[i + 3];
- var r = c * (-4.387332384609988 * c + 54.48615194189176 * m + 18.82290502165302 * y + 212.25662451639585 * k - 72734.4411664936) + m * (1.7149763477362134 * m - 5.6096736904047315 * y - 17.873870861415444 * k - 1401.7366389350734) + y * (-2.5217340131683033 * y - 21.248923337353073 * k + 4465.541406466231) - k * (21.86122147463605 * k + 48317.86113160301);
- var g = c * (8.841041422036149 * c + 60.118027045597366 * m + 6.871425592049007 * y + 31.159100130055922 * k - 20220.756542821975) + m * (-15.310361306967817 * m + 17.575251261109482 * y + 131.35250912493976 * k - 48691.05921601825) + y * (4.444339102852739 * y + 9.8632861493405 * k - 6341.191035517494) - k * (20.737325471181034 * k + 47890.15695978492);
- var b = c * (0.8842522430003296 * c + 8.078677503112928 * m + 30.89978309703729 * y - 0.23883238689178934 * k - 3616.812083916688) + m * (10.49593273432072 * m + 63.02378494754052 * y + 50.606957656360734 * k - 28620.90484698408) + y * (0.03296041114873217 * y + 115.60384449646641 * k - 49363.43385999684) - k * (22.33816807309886 * k + 45932.16563550634);
- data[offset++] = r >= 0 ? 255 : r <= min ? 0 : 255 + r * scale | 0;
- data[offset++] = g >= 0 ? 255 : g <= min ? 0 : 255 + g * scale | 0;
- data[offset++] = b >= 0 ? 255 : b <= min ? 0 : 255 + b * scale | 0;
- }
- return data;
- },
- getData: function getData(width, height, forceRGBoutput) {
- if (this.numComponents > 4) {
- error('JPEG error: Unsupported color mode');
- }
- // type of data: Uint8Array(width * height * numComponents)
- var data = this._getLinearizedBlockData(width, height);
- if (this.numComponents === 1 && forceRGBoutput) {
- var dataLength = data.length;
- var rgbData = new Uint8Array(dataLength * 3);
- var offset = 0;
- for (var i = 0; i < dataLength; i++) {
- var grayColor = data[i];
- rgbData[offset++] = grayColor;
- rgbData[offset++] = grayColor;
- rgbData[offset++] = grayColor;
- }
- return rgbData;
- } else if (this.numComponents === 3 && this._isColorConversionNeeded()) {
- return this._convertYccToRgb(data);
- } else if (this.numComponents === 4) {
- if (this._isColorConversionNeeded()) {
- if (forceRGBoutput) {
- return this._convertYcckToRgb(data);
- } else {
- return this._convertYcckToCmyk(data);
- }
- } else if (forceRGBoutput) {
- return this._convertCmykToRgb(data);
- }
- }
- return data;
- }
- };
- return JpegImage;
- }();
- exports.JpegImage = JpegImage;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreJpx = {}, root.pdfjsSharedUtil, root.pdfjsCoreArithmeticDecoder);
- }(this, function (exports, sharedUtil, coreArithmeticDecoder) {
- var info = sharedUtil.info;
- var warn = sharedUtil.warn;
- var error = sharedUtil.error;
- var log2 = sharedUtil.log2;
- var readUint16 = sharedUtil.readUint16;
- var readUint32 = sharedUtil.readUint32;
- var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder;
- var JpxImage = function JpxImageClosure() {
- // Table E.1
- var SubbandsGainLog2 = {
- 'LL': 0,
- 'LH': 1,
- 'HL': 1,
- 'HH': 2
- };
- function JpxImage() {
- this.failOnCorruptedImage = false;
- }
- JpxImage.prototype = {
- parse: function JpxImage_parse(data) {
- var head = readUint16(data, 0);
- // No box header, immediate start of codestream (SOC)
- if (head === 0xFF4F) {
- this.parseCodestream(data, 0, data.length);
- return;
- }
- var position = 0, length = data.length;
- while (position < length) {
- var headerSize = 8;
- var lbox = readUint32(data, position);
- var tbox = readUint32(data, position + 4);
- position += headerSize;
- if (lbox === 1) {
- // XLBox: read UInt64 according to spec.
- // JavaScript's int precision of 53 bit should be sufficient here.
- lbox = readUint32(data, position) * 4294967296 + readUint32(data, position + 4);
- position += 8;
- headerSize += 8;
- }
- if (lbox === 0) {
- lbox = length - position + headerSize;
- }
- if (lbox < headerSize) {
- error('JPX Error: Invalid box field size');
- }
- var dataLength = lbox - headerSize;
- var jumpDataLength = true;
- switch (tbox) {
- case 0x6A703268:
- // 'jp2h'
- jumpDataLength = false;
- // parsing child boxes
- break;
- case 0x636F6C72:
- // 'colr'
- // Colorspaces are not used, the CS from the PDF is used.
- var method = data[position];
- if (method === 1) {
- // enumerated colorspace
- var colorspace = readUint32(data, position + 3);
- switch (colorspace) {
- case 16:
- // this indicates a sRGB colorspace
- case 17:
- // this indicates a grayscale colorspace
- case 18:
- // this indicates a YUV colorspace
- break;
- default:
- warn('Unknown colorspace ' + colorspace);
- break;
- }
- } else if (method === 2) {
- info('ICC profile not supported');
- }
- break;
- case 0x6A703263:
- // 'jp2c'
- this.parseCodestream(data, position, position + dataLength);
- break;
- case 0x6A502020:
- // 'jP\024\024'
- if (0x0d0a870a !== readUint32(data, position)) {
- warn('Invalid JP2 signature');
- }
- break;
- // The following header types are valid but currently not used:
- case 0x6A501A1A:
- // 'jP\032\032'
- case 0x66747970:
- // 'ftyp'
- case 0x72726571:
- // 'rreq'
- case 0x72657320:
- // 'res '
- case 0x69686472:
- // 'ihdr'
- break;
- default:
- var headerType = String.fromCharCode(tbox >> 24 & 0xFF, tbox >> 16 & 0xFF, tbox >> 8 & 0xFF, tbox & 0xFF);
- warn('Unsupported header type ' + tbox + ' (' + headerType + ')');
- break;
- }
- if (jumpDataLength) {
- position += dataLength;
- }
- }
- },
- parseImageProperties: function JpxImage_parseImageProperties(stream) {
- var newByte = stream.getByte();
- while (newByte >= 0) {
- var oldByte = newByte;
- newByte = stream.getByte();
- var code = oldByte << 8 | newByte;
- // Image and tile size (SIZ)
- if (code === 0xFF51) {
- stream.skip(4);
- var Xsiz = stream.getInt32() >>> 0;
- // Byte 4
- var Ysiz = stream.getInt32() >>> 0;
- // Byte 8
- var XOsiz = stream.getInt32() >>> 0;
- // Byte 12
- var YOsiz = stream.getInt32() >>> 0;
- // Byte 16
- stream.skip(16);
- var Csiz = stream.getUint16();
- // Byte 36
- this.width = Xsiz - XOsiz;
- this.height = Ysiz - YOsiz;
- this.componentsCount = Csiz;
- // Results are always returned as Uint8Arrays
- this.bitsPerComponent = 8;
- return;
- }
- }
- error('JPX Error: No size marker found in JPX stream');
- },
- parseCodestream: function JpxImage_parseCodestream(data, start, end) {
- var context = {};
- var doNotRecover = false;
- try {
- var position = start;
- while (position + 1 < end) {
- var code = readUint16(data, position);
- position += 2;
- var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile;
- switch (code) {
- case 0xFF4F:
- // Start of codestream (SOC)
- context.mainHeader = true;
- break;
- case 0xFFD9:
- // End of codestream (EOC)
- break;
- case 0xFF51:
- // Image and tile size (SIZ)
- length = readUint16(data, position);
- var siz = {};
- siz.Xsiz = readUint32(data, position + 4);
- siz.Ysiz = readUint32(data, position + 8);
- siz.XOsiz = readUint32(data, position + 12);
- siz.YOsiz = readUint32(data, position + 16);
- siz.XTsiz = readUint32(data, position + 20);
- siz.YTsiz = readUint32(data, position + 24);
- siz.XTOsiz = readUint32(data, position + 28);
- siz.YTOsiz = readUint32(data, position + 32);
- var componentsCount = readUint16(data, position + 36);
- siz.Csiz = componentsCount;
- var components = [];
- j = position + 38;
- for (var i = 0; i < componentsCount; i++) {
- var component = {
- precision: (data[j] & 0x7F) + 1,
- isSigned: !!(data[j] & 0x80),
- XRsiz: data[j + 1],
- YRsiz: data[j + 1]
- };
- calculateComponentDimensions(component, siz);
- components.push(component);
- }
- context.SIZ = siz;
- context.components = components;
- calculateTileGrids(context, components);
- context.QCC = [];
- context.COC = [];
- break;
- case 0xFF5C:
- // Quantization default (QCD)
- length = readUint16(data, position);
- var qcd = {};
- j = position + 2;
- sqcd = data[j++];
- switch (sqcd & 0x1F) {
- case 0:
- spqcdSize = 8;
- scalarExpounded = true;
- break;
- case 1:
- spqcdSize = 16;
- scalarExpounded = false;
- break;
- case 2:
- spqcdSize = 16;
- scalarExpounded = true;
- break;
- default:
- throw new Error('Invalid SQcd value ' + sqcd);
- }
- qcd.noQuantization = spqcdSize === 8;
- qcd.scalarExpounded = scalarExpounded;
- qcd.guardBits = sqcd >> 5;
- spqcds = [];
- while (j < length + position) {
- var spqcd = {};
- if (spqcdSize === 8) {
- spqcd.epsilon = data[j++] >> 3;
- spqcd.mu = 0;
- } else {
- spqcd.epsilon = data[j] >> 3;
- spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
- j += 2;
- }
- spqcds.push(spqcd);
- }
- qcd.SPqcds = spqcds;
- if (context.mainHeader) {
- context.QCD = qcd;
- } else {
- context.currentTile.QCD = qcd;
- context.currentTile.QCC = [];
- }
- break;
- case 0xFF5D:
- // Quantization component (QCC)
- length = readUint16(data, position);
- var qcc = {};
- j = position + 2;
- var cqcc;
- if (context.SIZ.Csiz < 257) {
- cqcc = data[j++];
- } else {
- cqcc = readUint16(data, j);
- j += 2;
- }
- sqcd = data[j++];
- switch (sqcd & 0x1F) {
- case 0:
- spqcdSize = 8;
- scalarExpounded = true;
- break;
- case 1:
- spqcdSize = 16;
- scalarExpounded = false;
- break;
- case 2:
- spqcdSize = 16;
- scalarExpounded = true;
- break;
- default:
- throw new Error('Invalid SQcd value ' + sqcd);
- }
- qcc.noQuantization = spqcdSize === 8;
- qcc.scalarExpounded = scalarExpounded;
- qcc.guardBits = sqcd >> 5;
- spqcds = [];
- while (j < length + position) {
- spqcd = {};
- if (spqcdSize === 8) {
- spqcd.epsilon = data[j++] >> 3;
- spqcd.mu = 0;
- } else {
- spqcd.epsilon = data[j] >> 3;
- spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
- j += 2;
- }
- spqcds.push(spqcd);
- }
- qcc.SPqcds = spqcds;
- if (context.mainHeader) {
- context.QCC[cqcc] = qcc;
- } else {
- context.currentTile.QCC[cqcc] = qcc;
- }
- break;
- case 0xFF52:
- // Coding style default (COD)
- length = readUint16(data, position);
- var cod = {};
- j = position + 2;
- var scod = data[j++];
- cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
- cod.sopMarkerUsed = !!(scod & 2);
- cod.ephMarkerUsed = !!(scod & 4);
- cod.progressionOrder = data[j++];
- cod.layersCount = readUint16(data, j);
- j += 2;
- cod.multipleComponentTransform = data[j++];
- cod.decompositionLevelsCount = data[j++];
- cod.xcb = (data[j++] & 0xF) + 2;
- cod.ycb = (data[j++] & 0xF) + 2;
- var blockStyle = data[j++];
- cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
- cod.resetContextProbabilities = !!(blockStyle & 2);
- cod.terminationOnEachCodingPass = !!(blockStyle & 4);
- cod.verticalyStripe = !!(blockStyle & 8);
- cod.predictableTermination = !!(blockStyle & 16);
- cod.segmentationSymbolUsed = !!(blockStyle & 32);
- cod.reversibleTransformation = data[j++];
- if (cod.entropyCoderWithCustomPrecincts) {
- var precinctsSizes = [];
- while (j < length + position) {
- var precinctsSize = data[j++];
- precinctsSizes.push({
- PPx: precinctsSize & 0xF,
- PPy: precinctsSize >> 4
- });
- }
- cod.precinctsSizes = precinctsSizes;
- }
- var unsupported = [];
- if (cod.selectiveArithmeticCodingBypass) {
- unsupported.push('selectiveArithmeticCodingBypass');
- }
- if (cod.resetContextProbabilities) {
- unsupported.push('resetContextProbabilities');
- }
- if (cod.terminationOnEachCodingPass) {
- unsupported.push('terminationOnEachCodingPass');
- }
- if (cod.verticalyStripe) {
- unsupported.push('verticalyStripe');
- }
- if (cod.predictableTermination) {
- unsupported.push('predictableTermination');
- }
- if (unsupported.length > 0) {
- doNotRecover = true;
- throw new Error('Unsupported COD options (' + unsupported.join(', ') + ')');
- }
- if (context.mainHeader) {
- context.COD = cod;
- } else {
- context.currentTile.COD = cod;
- context.currentTile.COC = [];
- }
- break;
- case 0xFF90:
- // Start of tile-part (SOT)
- length = readUint16(data, position);
- tile = {};
- tile.index = readUint16(data, position + 2);
- tile.length = readUint32(data, position + 4);
- tile.dataEnd = tile.length + position - 2;
- tile.partIndex = data[position + 8];
- tile.partsCount = data[position + 9];
- context.mainHeader = false;
- if (tile.partIndex === 0) {
- // reset component specific settings
- tile.COD = context.COD;
- tile.COC = context.COC.slice(0);
- // clone of the global COC
- tile.QCD = context.QCD;
- tile.QCC = context.QCC.slice(0);
- }
- // clone of the global COC
- context.currentTile = tile;
- break;
- case 0xFF93:
- // Start of data (SOD)
- tile = context.currentTile;
- if (tile.partIndex === 0) {
- initializeTile(context, tile.index);
- buildPackets(context);
- }
- // moving to the end of the data
- length = tile.dataEnd - position;
- parseTilePackets(context, data, position, length);
- break;
- case 0xFF55:
- // Tile-part lengths, main header (TLM)
- case 0xFF57:
- // Packet length, main header (PLM)
- case 0xFF58:
- // Packet length, tile-part header (PLT)
- case 0xFF64:
- // Comment (COM)
- length = readUint16(data, position);
- // skipping content
- break;
- case 0xFF53:
- // Coding style component (COC)
- throw new Error('Codestream code 0xFF53 (COC) is ' + 'not implemented');
- default:
- throw new Error('Unknown codestream code: ' + code.toString(16));
- }
- position += length;
- }
- } catch (e) {
- if (doNotRecover || this.failOnCorruptedImage) {
- error('JPX Error: ' + e.message);
- } else {
- warn('JPX: Trying to recover from: ' + e.message);
- }
- }
- this.tiles = transformComponents(context);
- this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
- this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
- this.componentsCount = context.SIZ.Csiz;
- }
- };
- function calculateComponentDimensions(component, siz) {
- // Section B.2 Component mapping
- component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
- component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
- component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
- component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
- component.width = component.x1 - component.x0;
- component.height = component.y1 - component.y0;
- }
- function calculateTileGrids(context, components) {
- var siz = context.SIZ;
- // Section B.3 Division into tile and tile-components
- var tile, tiles = [];
- var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
- var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
- for (var q = 0; q < numYtiles; q++) {
- for (var p = 0; p < numXtiles; p++) {
- tile = {};
- tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
- tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
- tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
- tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
- tile.width = tile.tx1 - tile.tx0;
- tile.height = tile.ty1 - tile.ty0;
- tile.components = [];
- tiles.push(tile);
- }
- }
- context.tiles = tiles;
- var componentsCount = siz.Csiz;
- for (var i = 0, ii = componentsCount; i < ii; i++) {
- var component = components[i];
- for (var j = 0, jj = tiles.length; j < jj; j++) {
- var tileComponent = {};
- tile = tiles[j];
- tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
- tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
- tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
- tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
- tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
- tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
- tile.components[i] = tileComponent;
- }
- }
- }
- function getBlocksDimensions(context, component, r) {
- var codOrCoc = component.codingStyleParameters;
- var result = {};
- if (!codOrCoc.entropyCoderWithCustomPrecincts) {
- result.PPx = 15;
- result.PPy = 15;
- } else {
- result.PPx = codOrCoc.precinctsSizes[r].PPx;
- result.PPy = codOrCoc.precinctsSizes[r].PPy;
- }
- // calculate codeblock size as described in section B.7
- result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
- result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
- return result;
- }
- function buildPrecincts(context, resolution, dimensions) {
- // Section B.6 Division resolution to precincts
- var precinctWidth = 1 << dimensions.PPx;
- var precinctHeight = 1 << dimensions.PPy;
- // Jasper introduces codeblock groups for mapping each subband codeblocks
- // to precincts. Precinct partition divides a resolution according to width
- // and height parameters. The subband that belongs to the resolution level
- // has a different size than the level, unless it is the zero resolution.
- // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding:
- // The precinct partitioning for a particular subband is derived from a
- // partitioning of its parent LL band (i.e., the LL band at the next higher
- // resolution level)... The LL band associated with each resolution level is
- // divided into precincts... Each of the resulting precinct regions is then
- // mapped into its child subbands (if any) at the next lower resolution
- // level. This is accomplished by using the coordinate transformation
- // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the
- // coordinates of a point in the LL band and child subband, respectively.
- var isZeroRes = resolution.resLevel === 0;
- var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
- var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
- var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
- var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
- var numprecincts = numprecinctswide * numprecinctshigh;
- resolution.precinctParameters = {
- precinctWidth: precinctWidth,
- precinctHeight: precinctHeight,
- numprecinctswide: numprecinctswide,
- numprecinctshigh: numprecinctshigh,
- numprecincts: numprecincts,
- precinctWidthInSubband: precinctWidthInSubband,
- precinctHeightInSubband: precinctHeightInSubband
- };
- }
- function buildCodeblocks(context, subband, dimensions) {
- // Section B.7 Division sub-band into code-blocks
- var xcb_ = dimensions.xcb_;
- var ycb_ = dimensions.ycb_;
- var codeblockWidth = 1 << xcb_;
- var codeblockHeight = 1 << ycb_;
- var cbx0 = subband.tbx0 >> xcb_;
- var cby0 = subband.tby0 >> ycb_;
- var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
- var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
- var precinctParameters = subband.resolution.precinctParameters;
- var codeblocks = [];
- var precincts = [];
- var i, j, codeblock, precinctNumber;
- for (j = cby0; j < cby1; j++) {
- for (i = cbx0; i < cbx1; i++) {
- codeblock = {
- cbx: i,
- cby: j,
- tbx0: codeblockWidth * i,
- tby0: codeblockHeight * j,
- tbx1: codeblockWidth * (i + 1),
- tby1: codeblockHeight * (j + 1)
- };
- codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
- codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
- codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
- codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
- // Calculate precinct number for this codeblock, codeblock position
- // should be relative to its subband, use actual dimension and position
- // See comment about codeblock group width and height
- var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
- var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
- precinctNumber = pi + pj * precinctParameters.numprecinctswide;
- codeblock.precinctNumber = precinctNumber;
- codeblock.subbandType = subband.type;
- codeblock.Lblock = 3;
- if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
- continue;
- }
- codeblocks.push(codeblock);
- // building precinct for the sub-band
- var precinct = precincts[precinctNumber];
- if (precinct !== undefined) {
- if (i < precinct.cbxMin) {
- precinct.cbxMin = i;
- } else if (i > precinct.cbxMax) {
- precinct.cbxMax = i;
- }
- if (j < precinct.cbyMin) {
- precinct.cbxMin = j;
- } else if (j > precinct.cbyMax) {
- precinct.cbyMax = j;
- }
- } else {
- precincts[precinctNumber] = precinct = {
- cbxMin: i,
- cbyMin: j,
- cbxMax: i,
- cbyMax: j
- };
- }
- codeblock.precinct = precinct;
- }
- }
- subband.codeblockParameters = {
- codeblockWidth: xcb_,
- codeblockHeight: ycb_,
- numcodeblockwide: cbx1 - cbx0 + 1,
- numcodeblockhigh: cby1 - cby0 + 1
- };
- subband.codeblocks = codeblocks;
- subband.precincts = precincts;
- }
- function createPacket(resolution, precinctNumber, layerNumber) {
- var precinctCodeblocks = [];
- // Section B.10.8 Order of info in packet
- var subbands = resolution.subbands;
- // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence
- for (var i = 0, ii = subbands.length; i < ii; i++) {
- var subband = subbands[i];
- var codeblocks = subband.codeblocks;
- for (var j = 0, jj = codeblocks.length; j < jj; j++) {
- var codeblock = codeblocks[j];
- if (codeblock.precinctNumber !== precinctNumber) {
- continue;
- }
- precinctCodeblocks.push(codeblock);
- }
- }
- return {
- layerNumber: layerNumber,
- codeblocks: precinctCodeblocks
- };
- }
- function LayerResolutionComponentPositionIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var maxDecompositionLevelsCount = 0;
- for (var q = 0; q < componentsCount; q++) {
- maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
- }
- var l = 0, r = 0, i = 0, k = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- // Section B.12.1.1 Layer-resolution-component-position
- for (; l < layersCount; l++) {
- for (; r <= maxDecompositionLevelsCount; r++) {
- for (; i < componentsCount; i++) {
- var component = tile.components[i];
- if (r > component.codingStyleParameters.decompositionLevelsCount) {
- continue;
- }
- var resolution = component.resolutions[r];
- var numprecincts = resolution.precinctParameters.numprecincts;
- for (; k < numprecincts;) {
- var packet = createPacket(resolution, k, l);
- k++;
- return packet;
- }
- k = 0;
- }
- i = 0;
- }
- r = 0;
- }
- error('JPX Error: Out of packets');
- };
- }
- function ResolutionLayerComponentPositionIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var maxDecompositionLevelsCount = 0;
- for (var q = 0; q < componentsCount; q++) {
- maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
- }
- var r = 0, l = 0, i = 0, k = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- // Section B.12.1.2 Resolution-layer-component-position
- for (; r <= maxDecompositionLevelsCount; r++) {
- for (; l < layersCount; l++) {
- for (; i < componentsCount; i++) {
- var component = tile.components[i];
- if (r > component.codingStyleParameters.decompositionLevelsCount) {
- continue;
- }
- var resolution = component.resolutions[r];
- var numprecincts = resolution.precinctParameters.numprecincts;
- for (; k < numprecincts;) {
- var packet = createPacket(resolution, k, l);
- k++;
- return packet;
- }
- k = 0;
- }
- i = 0;
- }
- l = 0;
- }
- error('JPX Error: Out of packets');
- };
- }
- function ResolutionPositionComponentLayerIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var l, r, c, p;
- var maxDecompositionLevelsCount = 0;
- for (c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
- }
- var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
- for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
- var maxNumPrecincts = 0;
- for (c = 0; c < componentsCount; ++c) {
- var resolutions = tile.components[c].resolutions;
- if (r < resolutions.length) {
- maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
- }
- }
- maxNumPrecinctsInLevel[r] = maxNumPrecincts;
- }
- l = 0;
- r = 0;
- c = 0;
- p = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- // Section B.12.1.3 Resolution-position-component-layer
- for (; r <= maxDecompositionLevelsCount; r++) {
- for (; p < maxNumPrecinctsInLevel[r]; p++) {
- for (; c < componentsCount; c++) {
- var component = tile.components[c];
- if (r > component.codingStyleParameters.decompositionLevelsCount) {
- continue;
- }
- var resolution = component.resolutions[r];
- var numprecincts = resolution.precinctParameters.numprecincts;
- if (p >= numprecincts) {
- continue;
- }
- for (; l < layersCount;) {
- var packet = createPacket(resolution, p, l);
- l++;
- return packet;
- }
- l = 0;
- }
- c = 0;
- }
- p = 0;
- }
- error('JPX Error: Out of packets');
- };
- }
- function PositionComponentResolutionLayerIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var precinctsSizes = getPrecinctSizesInImageScale(tile);
- var precinctsIterationSizes = precinctsSizes;
- var l = 0, r = 0, c = 0, px = 0, py = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- // Section B.12.1.4 Position-component-resolution-layer
- for (; py < precinctsIterationSizes.maxNumHigh; py++) {
- for (; px < precinctsIterationSizes.maxNumWide; px++) {
- for (; c < componentsCount; c++) {
- var component = tile.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- for (; r <= decompositionLevelsCount; r++) {
- var resolution = component.resolutions[r];
- var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
- var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
- if (k === null) {
- continue;
- }
- for (; l < layersCount;) {
- var packet = createPacket(resolution, k, l);
- l++;
- return packet;
- }
- l = 0;
- }
- r = 0;
- }
- c = 0;
- }
- px = 0;
- }
- error('JPX Error: Out of packets');
- };
- }
- function ComponentPositionResolutionLayerIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var precinctsSizes = getPrecinctSizesInImageScale(tile);
- var l = 0, r = 0, c = 0, px = 0, py = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- // Section B.12.1.5 Component-position-resolution-layer
- for (; c < componentsCount; ++c) {
- var component = tile.components[c];
- var precinctsIterationSizes = precinctsSizes.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- for (; py < precinctsIterationSizes.maxNumHigh; py++) {
- for (; px < precinctsIterationSizes.maxNumWide; px++) {
- for (; r <= decompositionLevelsCount; r++) {
- var resolution = component.resolutions[r];
- var sizeInImageScale = precinctsIterationSizes.resolutions[r];
- var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
- if (k === null) {
- continue;
- }
- for (; l < layersCount;) {
- var packet = createPacket(resolution, k, l);
- l++;
- return packet;
- }
- l = 0;
- }
- r = 0;
- }
- px = 0;
- }
- py = 0;
- }
- error('JPX Error: Out of packets');
- };
- }
- function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
- var posX = pxIndex * precinctIterationSizes.minWidth;
- var posY = pyIndex * precinctIterationSizes.minHeight;
- if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
- return null;
- }
- var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
- return posX / sizeInImageScale.height + startPrecinctRowIndex;
- }
- function getPrecinctSizesInImageScale(tile) {
- var componentsCount = tile.components.length;
- var minWidth = Number.MAX_VALUE;
- var minHeight = Number.MAX_VALUE;
- var maxNumWide = 0;
- var maxNumHigh = 0;
- var sizePerComponent = new Array(componentsCount);
- for (var c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- var sizePerResolution = new Array(decompositionLevelsCount + 1);
- var minWidthCurrentComponent = Number.MAX_VALUE;
- var minHeightCurrentComponent = Number.MAX_VALUE;
- var maxNumWideCurrentComponent = 0;
- var maxNumHighCurrentComponent = 0;
- var scale = 1;
- for (var r = decompositionLevelsCount; r >= 0; --r) {
- var resolution = component.resolutions[r];
- var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
- var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
- minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
- minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
- maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
- maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
- sizePerResolution[r] = {
- width: widthCurrentResolution,
- height: heightCurrentResolution
- };
- scale <<= 1;
- }
- minWidth = Math.min(minWidth, minWidthCurrentComponent);
- minHeight = Math.min(minHeight, minHeightCurrentComponent);
- maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
- maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
- sizePerComponent[c] = {
- resolutions: sizePerResolution,
- minWidth: minWidthCurrentComponent,
- minHeight: minHeightCurrentComponent,
- maxNumWide: maxNumWideCurrentComponent,
- maxNumHigh: maxNumHighCurrentComponent
- };
- }
- return {
- components: sizePerComponent,
- minWidth: minWidth,
- minHeight: minHeight,
- maxNumWide: maxNumWide,
- maxNumHigh: maxNumHigh
- };
- }
- function buildPackets(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var componentsCount = siz.Csiz;
- // Creating resolutions and sub-bands for each component
- for (var c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- // Section B.5 Resolution levels and sub-bands
- var resolutions = [];
- var subbands = [];
- for (var r = 0; r <= decompositionLevelsCount; r++) {
- var blocksDimensions = getBlocksDimensions(context, component, r);
- var resolution = {};
- var scale = 1 << decompositionLevelsCount - r;
- resolution.trx0 = Math.ceil(component.tcx0 / scale);
- resolution.try0 = Math.ceil(component.tcy0 / scale);
- resolution.trx1 = Math.ceil(component.tcx1 / scale);
- resolution.try1 = Math.ceil(component.tcy1 / scale);
- resolution.resLevel = r;
- buildPrecincts(context, resolution, blocksDimensions);
- resolutions.push(resolution);
- var subband;
- if (r === 0) {
- // one sub-band (LL) with last decomposition
- subband = {};
- subband.type = 'LL';
- subband.tbx0 = Math.ceil(component.tcx0 / scale);
- subband.tby0 = Math.ceil(component.tcy0 / scale);
- subband.tbx1 = Math.ceil(component.tcx1 / scale);
- subband.tby1 = Math.ceil(component.tcy1 / scale);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolution.subbands = [subband];
- } else {
- var bscale = 1 << decompositionLevelsCount - r + 1;
- var resolutionSubbands = [];
- // three sub-bands (HL, LH and HH) with rest of decompositions
- subband = {};
- subband.type = 'HL';
- subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
- subband.tby0 = Math.ceil(component.tcy0 / bscale);
- subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
- subband.tby1 = Math.ceil(component.tcy1 / bscale);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolutionSubbands.push(subband);
- subband = {};
- subband.type = 'LH';
- subband.tbx0 = Math.ceil(component.tcx0 / bscale);
- subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
- subband.tbx1 = Math.ceil(component.tcx1 / bscale);
- subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolutionSubbands.push(subband);
- subband = {};
- subband.type = 'HH';
- subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
- subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
- subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
- subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolutionSubbands.push(subband);
- resolution.subbands = resolutionSubbands;
- }
- }
- component.resolutions = resolutions;
- component.subbands = subbands;
- }
- // Generate the packets sequence
- var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
- switch (progressionOrder) {
- case 0:
- tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
- break;
- case 1:
- tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
- break;
- case 2:
- tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
- break;
- case 3:
- tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
- break;
- case 4:
- tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
- break;
- default:
- error('JPX Error: Unsupported progression order ' + progressionOrder);
- }
- }
- function parseTilePackets(context, data, offset, dataLength) {
- var position = 0;
- var buffer, bufferSize = 0, skipNextBit = false;
- function readBits(count) {
- while (bufferSize < count) {
- var b = data[offset + position];
- position++;
- if (skipNextBit) {
- buffer = buffer << 7 | b;
- bufferSize += 7;
- skipNextBit = false;
- } else {
- buffer = buffer << 8 | b;
- bufferSize += 8;
- }
- if (b === 0xFF) {
- skipNextBit = true;
- }
- }
- bufferSize -= count;
- return buffer >>> bufferSize & (1 << count) - 1;
- }
- function skipMarkerIfEqual(value) {
- if (data[offset + position - 1] === 0xFF && data[offset + position] === value) {
- skipBytes(1);
- return true;
- } else if (data[offset + position] === 0xFF && data[offset + position + 1] === value) {
- skipBytes(2);
- return true;
- }
- return false;
- }
- function skipBytes(count) {
- position += count;
- }
- function alignToByte() {
- bufferSize = 0;
- if (skipNextBit) {
- position++;
- skipNextBit = false;
- }
- }
- function readCodingpasses() {
- if (readBits(1) === 0) {
- return 1;
- }
- if (readBits(1) === 0) {
- return 2;
- }
- var value = readBits(2);
- if (value < 3) {
- return value + 3;
- }
- value = readBits(5);
- if (value < 31) {
- return value + 6;
- }
- value = readBits(7);
- return value + 37;
- }
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var sopMarkerUsed = context.COD.sopMarkerUsed;
- var ephMarkerUsed = context.COD.ephMarkerUsed;
- var packetsIterator = tile.packetsIterator;
- while (position < dataLength) {
- alignToByte();
- if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
- // Skip also marker segment length and packet sequence ID
- skipBytes(4);
- }
- var packet = packetsIterator.nextPacket();
- if (!readBits(1)) {
- continue;
- }
- var layerNumber = packet.layerNumber;
- var queue = [], codeblock;
- for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
- codeblock = packet.codeblocks[i];
- var precinct = codeblock.precinct;
- var codeblockColumn = codeblock.cbx - precinct.cbxMin;
- var codeblockRow = codeblock.cby - precinct.cbyMin;
- var codeblockIncluded = false;
- var firstTimeInclusion = false;
- var valueReady;
- if (codeblock['included'] !== undefined) {
- codeblockIncluded = !!readBits(1);
- } else {
- // reading inclusion tree
- precinct = codeblock.precinct;
- var inclusionTree, zeroBitPlanesTree;
- if (precinct['inclusionTree'] !== undefined) {
- inclusionTree = precinct.inclusionTree;
- } else {
- // building inclusion and zero bit-planes trees
- var width = precinct.cbxMax - precinct.cbxMin + 1;
- var height = precinct.cbyMax - precinct.cbyMin + 1;
- inclusionTree = new InclusionTree(width, height, layerNumber);
- zeroBitPlanesTree = new TagTree(width, height);
- precinct.inclusionTree = inclusionTree;
- precinct.zeroBitPlanesTree = zeroBitPlanesTree;
- }
- if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
- while (true) {
- if (readBits(1)) {
- valueReady = !inclusionTree.nextLevel();
- if (valueReady) {
- codeblock.included = true;
- codeblockIncluded = firstTimeInclusion = true;
- break;
- }
- } else {
- inclusionTree.incrementValue(layerNumber);
- break;
- }
- }
- }
- }
- if (!codeblockIncluded) {
- continue;
- }
- if (firstTimeInclusion) {
- zeroBitPlanesTree = precinct.zeroBitPlanesTree;
- zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
- while (true) {
- if (readBits(1)) {
- valueReady = !zeroBitPlanesTree.nextLevel();
- if (valueReady) {
- break;
- }
- } else {
- zeroBitPlanesTree.incrementValue();
- }
- }
- codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
- }
- var codingpasses = readCodingpasses();
- while (readBits(1)) {
- codeblock.Lblock++;
- }
- var codingpassesLog2 = log2(codingpasses);
- // rounding down log2
- var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
- var codedDataLength = readBits(bits);
- queue.push({
- codeblock: codeblock,
- codingpasses: codingpasses,
- dataLength: codedDataLength
- });
- }
- alignToByte();
- if (ephMarkerUsed) {
- skipMarkerIfEqual(0x92);
- }
- while (queue.length > 0) {
- var packetItem = queue.shift();
- codeblock = packetItem.codeblock;
- if (codeblock['data'] === undefined) {
- codeblock.data = [];
- }
- codeblock.data.push({
- data: data,
- start: offset + position,
- end: offset + position + packetItem.dataLength,
- codingpasses: packetItem.codingpasses
- });
- position += packetItem.dataLength;
- }
- }
- return position;
- }
- function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
- var x0 = subband.tbx0;
- var y0 = subband.tby0;
- var width = subband.tbx1 - subband.tbx0;
- var codeblocks = subband.codeblocks;
- var right = subband.type.charAt(0) === 'H' ? 1 : 0;
- var bottom = subband.type.charAt(1) === 'H' ? levelWidth : 0;
- for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
- var codeblock = codeblocks[i];
- var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
- var blockHeight = codeblock.tby1_ - codeblock.tby0_;
- if (blockWidth === 0 || blockHeight === 0) {
- continue;
- }
- if (codeblock['data'] === undefined) {
- continue;
- }
- var bitModel, currentCodingpassType;
- bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
- currentCodingpassType = 2;
- // first bit plane starts from cleanup
- // collect data
- var data = codeblock.data, totalLength = 0, codingpasses = 0;
- var j, jj, dataItem;
- for (j = 0, jj = data.length; j < jj; j++) {
- dataItem = data[j];
- totalLength += dataItem.end - dataItem.start;
- codingpasses += dataItem.codingpasses;
- }
- var encodedData = new Uint8Array(totalLength);
- var position = 0;
- for (j = 0, jj = data.length; j < jj; j++) {
- dataItem = data[j];
- var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
- encodedData.set(chunk, position);
- position += chunk.length;
- }
- // decoding the item
- var decoder = new ArithmeticDecoder(encodedData, 0, totalLength);
- bitModel.setDecoder(decoder);
- for (j = 0; j < codingpasses; j++) {
- switch (currentCodingpassType) {
- case 0:
- bitModel.runSignificancePropagationPass();
- break;
- case 1:
- bitModel.runMagnitudeRefinementPass();
- break;
- case 2:
- bitModel.runCleanupPass();
- if (segmentationSymbolUsed) {
- bitModel.checkSegmentationSymbol();
- }
- break;
- }
- currentCodingpassType = (currentCodingpassType + 1) % 3;
- }
- var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
- var sign = bitModel.coefficentsSign;
- var magnitude = bitModel.coefficentsMagnitude;
- var bitsDecoded = bitModel.bitsDecoded;
- var magnitudeCorrection = reversible ? 0 : 0.5;
- var k, n, nb;
- position = 0;
- // Do the interleaving of Section F.3.3 here, so we do not need
- // to copy later. LL level is not interleaved, just copied.
- var interleave = subband.type !== 'LL';
- for (j = 0; j < blockHeight; j++) {
- var row = offset / width | 0;
- // row in the non-interleaved subband
- var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
- for (k = 0; k < blockWidth; k++) {
- n = magnitude[position];
- if (n !== 0) {
- n = (n + magnitudeCorrection) * delta;
- if (sign[position] !== 0) {
- n = -n;
- }
- nb = bitsDecoded[position];
- var pos = interleave ? levelOffset + (offset << 1) : offset;
- if (reversible && nb >= mb) {
- coefficients[pos] = n;
- } else {
- coefficients[pos] = n * (1 << mb - nb);
- }
- }
- offset++;
- position++;
- }
- offset += width - blockWidth;
- }
- }
- }
- function transformTile(context, tile, c) {
- var component = tile.components[c];
- var codingStyleParameters = component.codingStyleParameters;
- var quantizationParameters = component.quantizationParameters;
- var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
- var spqcds = quantizationParameters.SPqcds;
- var scalarExpounded = quantizationParameters.scalarExpounded;
- var guardBits = quantizationParameters.guardBits;
- var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
- var precision = context.components[c].precision;
- var reversible = codingStyleParameters.reversibleTransformation;
- var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
- var subbandCoefficients = [];
- var b = 0;
- for (var i = 0; i <= decompositionLevelsCount; i++) {
- var resolution = component.resolutions[i];
- var width = resolution.trx1 - resolution.trx0;
- var height = resolution.try1 - resolution.try0;
- // Allocate space for the whole sublevel.
- var coefficients = new Float32Array(width * height);
- for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
- var mu, epsilon;
- if (!scalarExpounded) {
- // formula E-5
- mu = spqcds[0].mu;
- epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
- } else {
- mu = spqcds[b].mu;
- epsilon = spqcds[b].epsilon;
- b++;
- }
- var subband = resolution.subbands[j];
- var gainLog2 = SubbandsGainLog2[subband.type];
- // calculate quantization coefficient (Section E.1.1.1)
- var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048);
- var mb = guardBits + epsilon - 1;
- // In the first resolution level, copyCoefficients will fill the
- // whole array with coefficients. In the succeeding passes,
- // copyCoefficients will consecutively fill in the values that belong
- // to the interleaved positions of the HL, LH, and HH coefficients.
- // The LL coefficients will then be interleaved in Transform.iterate().
- copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
- }
- subbandCoefficients.push({
- width: width,
- height: height,
- items: coefficients
- });
- }
- var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
- return {
- left: component.tcx0,
- top: component.tcy0,
- width: result.width,
- height: result.height,
- items: result.items
- };
- }
- function transformComponents(context) {
- var siz = context.SIZ;
- var components = context.components;
- var componentsCount = siz.Csiz;
- var resultImages = [];
- for (var i = 0, ii = context.tiles.length; i < ii; i++) {
- var tile = context.tiles[i];
- var transformedTiles = [];
- var c;
- for (c = 0; c < componentsCount; c++) {
- transformedTiles[c] = transformTile(context, tile, c);
- }
- var tile0 = transformedTiles[0];
- var out = new Uint8Array(tile0.items.length * componentsCount);
- var result = {
- left: tile0.left,
- top: tile0.top,
- width: tile0.width,
- height: tile0.height,
- items: out
- };
- // Section G.2.2 Inverse multi component transform
- var shift, offset, max, min, maxK;
- var pos = 0, j, jj, y0, y1, y2, r, g, b, k, val;
- if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
- var fourComponents = componentsCount === 4;
- var y0items = transformedTiles[0].items;
- var y1items = transformedTiles[1].items;
- var y2items = transformedTiles[2].items;
- var y3items = fourComponents ? transformedTiles[3].items : null;
- // HACK: The multiple component transform formulas below assume that
- // all components have the same precision. With this in mind, we
- // compute shift and offset only once.
- shift = components[0].precision - 8;
- offset = (128 << shift) + 0.5;
- max = 255 * (1 << shift);
- maxK = max * 0.5;
- min = -maxK;
- var component0 = tile.components[0];
- var alpha01 = componentsCount - 3;
- jj = y0items.length;
- if (!component0.codingStyleParameters.reversibleTransformation) {
- // inverse irreversible multiple component transform
- for (j = 0; j < jj; j++, pos += alpha01) {
- y0 = y0items[j] + offset;
- y1 = y1items[j];
- y2 = y2items[j];
- r = y0 + 1.402 * y2;
- g = y0 - 0.34413 * y1 - 0.71414 * y2;
- b = y0 + 1.772 * y1;
- out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift;
- out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift;
- out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift;
- }
- } else {
- // inverse reversible multiple component transform
- for (j = 0; j < jj; j++, pos += alpha01) {
- y0 = y0items[j] + offset;
- y1 = y1items[j];
- y2 = y2items[j];
- g = y0 - (y2 + y1 >> 2);
- r = g + y2;
- b = g + y1;
- out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift;
- out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift;
- out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift;
- }
- }
- if (fourComponents) {
- for (j = 0, pos = 3; j < jj; j++, pos += 4) {
- k = y3items[j];
- out[pos] = k <= min ? 0 : k >= maxK ? 255 : k + offset >> shift;
- }
- }
- } else {
- // no multi-component transform
- for (c = 0; c < componentsCount; c++) {
- var items = transformedTiles[c].items;
- shift = components[c].precision - 8;
- offset = (128 << shift) + 0.5;
- max = 127.5 * (1 << shift);
- min = -max;
- for (pos = c, j = 0, jj = items.length; j < jj; j++) {
- val = items[j];
- out[pos] = val <= min ? 0 : val >= max ? 255 : val + offset >> shift;
- pos += componentsCount;
- }
- }
- }
- resultImages.push(result);
- }
- return resultImages;
- }
- function initializeTile(context, tileIndex) {
- var siz = context.SIZ;
- var componentsCount = siz.Csiz;
- var tile = context.tiles[tileIndex];
- for (var c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
- component.quantizationParameters = qcdOrQcc;
- var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
- component.codingStyleParameters = codOrCoc;
- }
- tile.codingStyleDefaultParameters = context.currentTile.COD;
- }
- // Section B.10.2 Tag trees
- var TagTree = function TagTreeClosure() {
- function TagTree(width, height) {
- var levelsLength = log2(Math.max(width, height)) + 1;
- this.levels = [];
- for (var i = 0; i < levelsLength; i++) {
- var level = {
- width: width,
- height: height,
- items: []
- };
- this.levels.push(level);
- width = Math.ceil(width / 2);
- height = Math.ceil(height / 2);
- }
- }
- TagTree.prototype = {
- reset: function TagTree_reset(i, j) {
- var currentLevel = 0, value = 0, level;
- while (currentLevel < this.levels.length) {
- level = this.levels[currentLevel];
- var index = i + j * level.width;
- if (level.items[index] !== undefined) {
- value = level.items[index];
- break;
- }
- level.index = index;
- i >>= 1;
- j >>= 1;
- currentLevel++;
- }
- currentLevel--;
- level = this.levels[currentLevel];
- level.items[level.index] = value;
- this.currentLevel = currentLevel;
- delete this.value;
- },
- incrementValue: function TagTree_incrementValue() {
- var level = this.levels[this.currentLevel];
- level.items[level.index]++;
- },
- nextLevel: function TagTree_nextLevel() {
- var currentLevel = this.currentLevel;
- var level = this.levels[currentLevel];
- var value = level.items[level.index];
- currentLevel--;
- if (currentLevel < 0) {
- this.value = value;
- return false;
- }
- this.currentLevel = currentLevel;
- level = this.levels[currentLevel];
- level.items[level.index] = value;
- return true;
- }
- };
- return TagTree;
- }();
- var InclusionTree = function InclusionTreeClosure() {
- function InclusionTree(width, height, defaultValue) {
- var levelsLength = log2(Math.max(width, height)) + 1;
- this.levels = [];
- for (var i = 0; i < levelsLength; i++) {
- var items = new Uint8Array(width * height);
- for (var j = 0, jj = items.length; j < jj; j++) {
- items[j] = defaultValue;
- }
- var level = {
- width: width,
- height: height,
- items: items
- };
- this.levels.push(level);
- width = Math.ceil(width / 2);
- height = Math.ceil(height / 2);
- }
- }
- InclusionTree.prototype = {
- reset: function InclusionTree_reset(i, j, stopValue) {
- var currentLevel = 0;
- while (currentLevel < this.levels.length) {
- var level = this.levels[currentLevel];
- var index = i + j * level.width;
- level.index = index;
- var value = level.items[index];
- if (value === 0xFF) {
- break;
- }
- if (value > stopValue) {
- this.currentLevel = currentLevel;
- // already know about this one, propagating the value to top levels
- this.propagateValues();
- return false;
- }
- i >>= 1;
- j >>= 1;
- currentLevel++;
- }
- this.currentLevel = currentLevel - 1;
- return true;
- },
- incrementValue: function InclusionTree_incrementValue(stopValue) {
- var level = this.levels[this.currentLevel];
- level.items[level.index] = stopValue + 1;
- this.propagateValues();
- },
- propagateValues: function InclusionTree_propagateValues() {
- var levelIndex = this.currentLevel;
- var level = this.levels[levelIndex];
- var currentValue = level.items[level.index];
- while (--levelIndex >= 0) {
- level = this.levels[levelIndex];
- level.items[level.index] = currentValue;
- }
- },
- nextLevel: function InclusionTree_nextLevel() {
- var currentLevel = this.currentLevel;
- var level = this.levels[currentLevel];
- var value = level.items[level.index];
- level.items[level.index] = 0xFF;
- currentLevel--;
- if (currentLevel < 0) {
- return false;
- }
- this.currentLevel = currentLevel;
- level = this.levels[currentLevel];
- level.items[level.index] = value;
- return true;
- }
- };
- return InclusionTree;
- }();
- // Section D. Coefficient bit modeling
- var BitModel = function BitModelClosure() {
- var UNIFORM_CONTEXT = 17;
- var RUNLENGTH_CONTEXT = 18;
- // Table D-1
- // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4),
- // vv - sum of Vi (0..2), and hh - sum of Hi (0..2)
- var LLAndLHContextsLabel = new Uint8Array([
- 0,
- 5,
- 8,
- 0,
- 3,
- 7,
- 8,
- 0,
- 4,
- 7,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 1,
- 6,
- 8,
- 0,
- 3,
- 7,
- 8,
- 0,
- 4,
- 7,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 2,
- 6,
- 8,
- 0,
- 3,
- 7,
- 8,
- 0,
- 4,
- 7,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 2,
- 6,
- 8,
- 0,
- 3,
- 7,
- 8,
- 0,
- 4,
- 7,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 2,
- 6,
- 8,
- 0,
- 3,
- 7,
- 8,
- 0,
- 4,
- 7,
- 8
- ]);
- var HLContextLabel = new Uint8Array([
- 0,
- 3,
- 4,
- 0,
- 5,
- 7,
- 7,
- 0,
- 8,
- 8,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 1,
- 3,
- 4,
- 0,
- 6,
- 7,
- 7,
- 0,
- 8,
- 8,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 2,
- 3,
- 4,
- 0,
- 6,
- 7,
- 7,
- 0,
- 8,
- 8,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 2,
- 3,
- 4,
- 0,
- 6,
- 7,
- 7,
- 0,
- 8,
- 8,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 2,
- 3,
- 4,
- 0,
- 6,
- 7,
- 7,
- 0,
- 8,
- 8,
- 8
- ]);
- var HHContextLabel = new Uint8Array([
- 0,
- 1,
- 2,
- 0,
- 1,
- 2,
- 2,
- 0,
- 2,
- 2,
- 2,
- 0,
- 0,
- 0,
- 0,
- 0,
- 3,
- 4,
- 5,
- 0,
- 4,
- 5,
- 5,
- 0,
- 5,
- 5,
- 5,
- 0,
- 0,
- 0,
- 0,
- 0,
- 6,
- 7,
- 7,
- 0,
- 7,
- 7,
- 7,
- 0,
- 7,
- 7,
- 7,
- 0,
- 0,
- 0,
- 0,
- 0,
- 8,
- 8,
- 8,
- 0,
- 8,
- 8,
- 8,
- 0,
- 8,
- 8,
- 8,
- 0,
- 0,
- 0,
- 0,
- 0,
- 8,
- 8,
- 8,
- 0,
- 8,
- 8,
- 8,
- 0,
- 8,
- 8,
- 8
- ]);
- function BitModel(width, height, subband, zeroBitPlanes, mb) {
- this.width = width;
- this.height = height;
- this.contextLabelTable = subband === 'HH' ? HHContextLabel : subband === 'HL' ? HLContextLabel : LLAndLHContextsLabel;
- var coefficientCount = width * height;
- // coefficients outside the encoding region treated as insignificant
- // add border state cells for significanceState
- this.neighborsSignificance = new Uint8Array(coefficientCount);
- this.coefficentsSign = new Uint8Array(coefficientCount);
- this.coefficentsMagnitude = mb > 14 ? new Uint32Array(coefficientCount) : mb > 6 ? new Uint16Array(coefficientCount) : new Uint8Array(coefficientCount);
- this.processingFlags = new Uint8Array(coefficientCount);
- var bitsDecoded = new Uint8Array(coefficientCount);
- if (zeroBitPlanes !== 0) {
- for (var i = 0; i < coefficientCount; i++) {
- bitsDecoded[i] = zeroBitPlanes;
- }
- }
- this.bitsDecoded = bitsDecoded;
- this.reset();
- }
- BitModel.prototype = {
- setDecoder: function BitModel_setDecoder(decoder) {
- this.decoder = decoder;
- },
- reset: function BitModel_reset() {
- // We have 17 contexts that are accessed via context labels,
- // plus the uniform and runlength context.
- this.contexts = new Int8Array(19);
- // Contexts are packed into 1 byte:
- // highest 7 bits carry the index, lowest bit carries mps
- this.contexts[0] = 4 << 1 | 0;
- this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
- this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
- },
- setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
- var neighborsSignificance = this.neighborsSignificance;
- var width = this.width, height = this.height;
- var left = column > 0;
- var right = column + 1 < width;
- var i;
- if (row > 0) {
- i = index - width;
- if (left) {
- neighborsSignificance[i - 1] += 0x10;
- }
- if (right) {
- neighborsSignificance[i + 1] += 0x10;
- }
- neighborsSignificance[i] += 0x04;
- }
- if (row + 1 < height) {
- i = index + width;
- if (left) {
- neighborsSignificance[i - 1] += 0x10;
- }
- if (right) {
- neighborsSignificance[i + 1] += 0x10;
- }
- neighborsSignificance[i] += 0x04;
- }
- if (left) {
- neighborsSignificance[index - 1] += 0x01;
- }
- if (right) {
- neighborsSignificance[index + 1] += 0x01;
- }
- neighborsSignificance[index] |= 0x80;
- },
- runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {
- var decoder = this.decoder;
- var width = this.width, height = this.height;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var coefficentsSign = this.coefficentsSign;
- var neighborsSignificance = this.neighborsSignificance;
- var processingFlags = this.processingFlags;
- var contexts = this.contexts;
- var labels = this.contextLabelTable;
- var bitsDecoded = this.bitsDecoded;
- var processedInverseMask = ~1;
- var processedMask = 1;
- var firstMagnitudeBitMask = 2;
- for (var i0 = 0; i0 < height; i0 += 4) {
- for (var j = 0; j < width; j++) {
- var index = i0 * width + j;
- for (var i1 = 0; i1 < 4; i1++, index += width) {
- var i = i0 + i1;
- if (i >= height) {
- break;
- }
- // clear processed flag first
- processingFlags[index] &= processedInverseMask;
- if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
- continue;
- }
- var contextLabel = labels[neighborsSignificance[index]];
- var decision = decoder.readBit(contexts, contextLabel);
- if (decision) {
- var sign = this.decodeSignBit(i, j, index);
- coefficentsSign[index] = sign;
- coefficentsMagnitude[index] = 1;
- this.setNeighborsSignificance(i, j, index);
- processingFlags[index] |= firstMagnitudeBitMask;
- }
- bitsDecoded[index]++;
- processingFlags[index] |= processedMask;
- }
- }
- }
- },
- decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
- var width = this.width, height = this.height;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var coefficentsSign = this.coefficentsSign;
- var contribution, sign0, sign1, significance1;
- var contextLabel, decoded;
- // calculate horizontal contribution
- significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
- if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
- sign1 = coefficentsSign[index + 1];
- if (significance1) {
- sign0 = coefficentsSign[index - 1];
- contribution = 1 - sign1 - sign0;
- } else {
- contribution = 1 - sign1 - sign1;
- }
- } else if (significance1) {
- sign0 = coefficentsSign[index - 1];
- contribution = 1 - sign0 - sign0;
- } else {
- contribution = 0;
- }
- var horizontalContribution = 3 * contribution;
- // calculate vertical contribution and combine with the horizontal
- significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
- if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
- sign1 = coefficentsSign[index + width];
- if (significance1) {
- sign0 = coefficentsSign[index - width];
- contribution = 1 - sign1 - sign0 + horizontalContribution;
- } else {
- contribution = 1 - sign1 - sign1 + horizontalContribution;
- }
- } else if (significance1) {
- sign0 = coefficentsSign[index - width];
- contribution = 1 - sign0 - sign0 + horizontalContribution;
- } else {
- contribution = horizontalContribution;
- }
- if (contribution >= 0) {
- contextLabel = 9 + contribution;
- decoded = this.decoder.readBit(this.contexts, contextLabel);
- } else {
- contextLabel = 9 - contribution;
- decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
- }
- return decoded;
- },
- runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
- var decoder = this.decoder;
- var width = this.width, height = this.height;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var neighborsSignificance = this.neighborsSignificance;
- var contexts = this.contexts;
- var bitsDecoded = this.bitsDecoded;
- var processingFlags = this.processingFlags;
- var processedMask = 1;
- var firstMagnitudeBitMask = 2;
- var length = width * height;
- var width4 = width * 4;
- for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
- indexNext = Math.min(length, index0 + width4);
- for (var j = 0; j < width; j++) {
- for (var index = index0 + j; index < indexNext; index += width) {
- // significant but not those that have just become
- if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
- continue;
- }
- var contextLabel = 16;
- if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
- processingFlags[index] ^= firstMagnitudeBitMask;
- // first refinement
- var significance = neighborsSignificance[index] & 127;
- contextLabel = significance === 0 ? 15 : 14;
- }
- var bit = decoder.readBit(contexts, contextLabel);
- coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
- bitsDecoded[index]++;
- processingFlags[index] |= processedMask;
- }
- }
- }
- },
- runCleanupPass: function BitModel_runCleanupPass() {
- var decoder = this.decoder;
- var width = this.width, height = this.height;
- var neighborsSignificance = this.neighborsSignificance;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var coefficentsSign = this.coefficentsSign;
- var contexts = this.contexts;
- var labels = this.contextLabelTable;
- var bitsDecoded = this.bitsDecoded;
- var processingFlags = this.processingFlags;
- var processedMask = 1;
- var firstMagnitudeBitMask = 2;
- var oneRowDown = width;
- var twoRowsDown = width * 2;
- var threeRowsDown = width * 3;
- var iNext;
- for (var i0 = 0; i0 < height; i0 = iNext) {
- iNext = Math.min(i0 + 4, height);
- var indexBase = i0 * width;
- var checkAllEmpty = i0 + 3 < height;
- for (var j = 0; j < width; j++) {
- var index0 = indexBase + j;
- // using the property: labels[neighborsSignificance[index]] === 0
- // when neighborsSignificance[index] === 0
- var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
- var i1 = 0, index = index0;
- var i = i0, sign;
- if (allEmpty) {
- var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
- if (!hasSignificantCoefficent) {
- bitsDecoded[index0]++;
- bitsDecoded[index0 + oneRowDown]++;
- bitsDecoded[index0 + twoRowsDown]++;
- bitsDecoded[index0 + threeRowsDown]++;
- continue;
- }
- // next column
- i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
- if (i1 !== 0) {
- i = i0 + i1;
- index += i1 * width;
- }
- sign = this.decodeSignBit(i, j, index);
- coefficentsSign[index] = sign;
- coefficentsMagnitude[index] = 1;
- this.setNeighborsSignificance(i, j, index);
- processingFlags[index] |= firstMagnitudeBitMask;
- index = index0;
- for (var i2 = i0; i2 <= i; i2++, index += width) {
- bitsDecoded[index]++;
- }
- i1++;
- }
- for (i = i0 + i1; i < iNext; i++, index += width) {
- if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
- continue;
- }
- var contextLabel = labels[neighborsSignificance[index]];
- var decision = decoder.readBit(contexts, contextLabel);
- if (decision === 1) {
- sign = this.decodeSignBit(i, j, index);
- coefficentsSign[index] = sign;
- coefficentsMagnitude[index] = 1;
- this.setNeighborsSignificance(i, j, index);
- processingFlags[index] |= firstMagnitudeBitMask;
- }
- bitsDecoded[index]++;
- }
- }
- }
- },
- checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
- var decoder = this.decoder;
- var contexts = this.contexts;
- var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
- if (symbol !== 0xA) {
- error('JPX Error: Invalid segmentation symbol');
- }
- }
- };
- return BitModel;
- }();
- // Section F, Discrete wavelet transformation
- var Transform = function TransformClosure() {
- function Transform() {
- }
- Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) {
- var ll = subbands[0];
- for (var i = 1, ii = subbands.length; i < ii; i++) {
- ll = this.iterate(ll, subbands[i], u0, v0);
- }
- return ll;
- };
- Transform.prototype.extend = function extend(buffer, offset, size) {
- // Section F.3.7 extending... using max extension of 4
- var i1 = offset - 1, j1 = offset + 1;
- var i2 = offset + size - 2, j2 = offset + size;
- buffer[i1--] = buffer[j1++];
- buffer[j2++] = buffer[i2--];
- buffer[i1--] = buffer[j1++];
- buffer[j2++] = buffer[i2--];
- buffer[i1--] = buffer[j1++];
- buffer[j2++] = buffer[i2--];
- buffer[i1] = buffer[j1];
- buffer[j2] = buffer[i2];
- };
- Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
- var llWidth = ll.width, llHeight = ll.height, llItems = ll.items;
- var width = hl_lh_hh.width;
- var height = hl_lh_hh.height;
- var items = hl_lh_hh.items;
- var i, j, k, l, u, v;
- // Interleave LL according to Section F.3.3
- for (k = 0, i = 0; i < llHeight; i++) {
- l = i * 2 * width;
- for (j = 0; j < llWidth; j++, k++, l += 2) {
- items[l] = llItems[k];
- }
- }
- // The LL band is not needed anymore.
- llItems = ll.items = null;
- var bufferPadding = 4;
- var rowBuffer = new Float32Array(width + 2 * bufferPadding);
- // Section F.3.4 HOR_SR
- if (width === 1) {
- // if width = 1, when u0 even keep items as is, when odd divide by 2
- if ((u0 & 1) !== 0) {
- for (v = 0, k = 0; v < height; v++, k += width) {
- items[k] *= 0.5;
- }
- }
- } else {
- for (v = 0, k = 0; v < height; v++, k += width) {
- rowBuffer.set(items.subarray(k, k + width), bufferPadding);
- this.extend(rowBuffer, bufferPadding, width);
- this.filter(rowBuffer, bufferPadding, width);
- items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
- }
- }
- // Accesses to the items array can take long, because it may not fit into
- // CPU cache and has to be fetched from main memory. Since subsequent
- // accesses to the items array are not local when reading columns, we
- // have a cache miss every time. To reduce cache misses, get up to
- // 'numBuffers' items at a time and store them into the individual
- // buffers. The colBuffers should be small enough to fit into CPU cache.
- var numBuffers = 16;
- var colBuffers = [];
- for (i = 0; i < numBuffers; i++) {
- colBuffers.push(new Float32Array(height + 2 * bufferPadding));
- }
- var b, currentBuffer = 0;
- ll = bufferPadding + height;
- // Section F.3.5 VER_SR
- if (height === 1) {
- // if height = 1, when v0 even keep items as is, when odd divide by 2
- if ((v0 & 1) !== 0) {
- for (u = 0; u < width; u++) {
- items[u] *= 0.5;
- }
- }
- } else {
- for (u = 0; u < width; u++) {
- // if we ran out of buffers, copy several image columns at once
- if (currentBuffer === 0) {
- numBuffers = Math.min(width - u, numBuffers);
- for (k = u, l = bufferPadding; l < ll; k += width, l++) {
- for (b = 0; b < numBuffers; b++) {
- colBuffers[b][l] = items[k + b];
- }
- }
- currentBuffer = numBuffers;
- }
- currentBuffer--;
- var buffer = colBuffers[currentBuffer];
- this.extend(buffer, bufferPadding, height);
- this.filter(buffer, bufferPadding, height);
- // If this is last buffer in this group of buffers, flush all buffers.
- if (currentBuffer === 0) {
- k = u - numBuffers + 1;
- for (l = bufferPadding; l < ll; k += width, l++) {
- for (b = 0; b < numBuffers; b++) {
- items[k + b] = colBuffers[b][l];
- }
- }
- }
- }
- }
- return {
- width: width,
- height: height,
- items: items
- };
- };
- return Transform;
- }();
- // Section 3.8.2 Irreversible 9-7 filter
- var IrreversibleTransform = function IrreversibleTransformClosure() {
- function IrreversibleTransform() {
- Transform.call(this);
- }
- IrreversibleTransform.prototype = Object.create(Transform.prototype);
- IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) {
- var len = length >> 1;
- offset = offset | 0;
- var j, n, current, next;
- var alpha = -1.586134342059924;
- var beta = -0.052980118572961;
- var gamma = 0.882911075530934;
- var delta = 0.443506852043971;
- var K = 1.230174104914001;
- var K_ = 1 / K;
- // step 1 is combined with step 3
- // step 2
- j = offset - 3;
- for (n = len + 4; n--; j += 2) {
- x[j] *= K_;
- }
- // step 1 & 3
- j = offset - 2;
- current = delta * x[j - 1];
- for (n = len + 3; n--; j += 2) {
- next = delta * x[j + 1];
- x[j] = K * x[j] - current - next;
- if (n--) {
- j += 2;
- current = delta * x[j + 1];
- x[j] = K * x[j] - current - next;
- } else {
- break;
- }
- }
- // step 4
- j = offset - 1;
- current = gamma * x[j - 1];
- for (n = len + 2; n--; j += 2) {
- next = gamma * x[j + 1];
- x[j] -= current + next;
- if (n--) {
- j += 2;
- current = gamma * x[j + 1];
- x[j] -= current + next;
- } else {
- break;
- }
- }
- // step 5
- j = offset;
- current = beta * x[j - 1];
- for (n = len + 1; n--; j += 2) {
- next = beta * x[j + 1];
- x[j] -= current + next;
- if (n--) {
- j += 2;
- current = beta * x[j + 1];
- x[j] -= current + next;
- } else {
- break;
- }
- }
- // step 6
- if (len !== 0) {
- j = offset + 1;
- current = alpha * x[j - 1];
- for (n = len; n--; j += 2) {
- next = alpha * x[j + 1];
- x[j] -= current + next;
- if (n--) {
- j += 2;
- current = alpha * x[j + 1];
- x[j] -= current + next;
- } else {
- break;
- }
- }
- }
- };
- return IrreversibleTransform;
- }();
- // Section 3.8.1 Reversible 5-3 filter
- var ReversibleTransform = function ReversibleTransformClosure() {
- function ReversibleTransform() {
- Transform.call(this);
- }
- ReversibleTransform.prototype = Object.create(Transform.prototype);
- ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) {
- var len = length >> 1;
- offset = offset | 0;
- var j, n;
- for (j = offset, n = len + 1; n--; j += 2) {
- x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
- }
- for (j = offset + 1, n = len; n--; j += 2) {
- x[j] += x[j - 1] + x[j + 1] >> 1;
- }
- };
- return ReversibleTransform;
- }();
- return JpxImage;
- }();
- exports.JpxImage = JpxImage;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreMetrics = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var getLookupTableFactory = sharedUtil.getLookupTableFactory;
- // The Metrics object contains glyph widths (in glyph space units).
- // As per PDF spec, for most fonts (Type 3 being an exception) a glyph
- // space unit corresponds to 1/1000th of text space unit.
- var getMetrics = getLookupTableFactory(function (t) {
- t['Courier'] = 600;
- t['Courier-Bold'] = 600;
- t['Courier-BoldOblique'] = 600;
- t['Courier-Oblique'] = 600;
- t['Helvetica'] = getLookupTableFactory(function (t) {
- t['space'] = 278;
- t['exclam'] = 278;
- t['quotedbl'] = 355;
- t['numbersign'] = 556;
- t['dollar'] = 556;
- t['percent'] = 889;
- t['ampersand'] = 667;
- t['quoteright'] = 222;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 389;
- t['plus'] = 584;
- t['comma'] = 278;
- t['hyphen'] = 333;
- t['period'] = 278;
- t['slash'] = 278;
- t['zero'] = 556;
- t['one'] = 556;
- t['two'] = 556;
- t['three'] = 556;
- t['four'] = 556;
- t['five'] = 556;
- t['six'] = 556;
- t['seven'] = 556;
- t['eight'] = 556;
- t['nine'] = 556;
- t['colon'] = 278;
- t['semicolon'] = 278;
- t['less'] = 584;
- t['equal'] = 584;
- t['greater'] = 584;
- t['question'] = 556;
- t['at'] = 1015;
- t['A'] = 667;
- t['B'] = 667;
- t['C'] = 722;
- t['D'] = 722;
- t['E'] = 667;
- t['F'] = 611;
- t['G'] = 778;
- t['H'] = 722;
- t['I'] = 278;
- t['J'] = 500;
- t['K'] = 667;
- t['L'] = 556;
- t['M'] = 833;
- t['N'] = 722;
- t['O'] = 778;
- t['P'] = 667;
- t['Q'] = 778;
- t['R'] = 722;
- t['S'] = 667;
- t['T'] = 611;
- t['U'] = 722;
- t['V'] = 667;
- t['W'] = 944;
- t['X'] = 667;
- t['Y'] = 667;
- t['Z'] = 611;
- t['bracketleft'] = 278;
- t['backslash'] = 278;
- t['bracketright'] = 278;
- t['asciicircum'] = 469;
- t['underscore'] = 556;
- t['quoteleft'] = 222;
- t['a'] = 556;
- t['b'] = 556;
- t['c'] = 500;
- t['d'] = 556;
- t['e'] = 556;
- t['f'] = 278;
- t['g'] = 556;
- t['h'] = 556;
- t['i'] = 222;
- t['j'] = 222;
- t['k'] = 500;
- t['l'] = 222;
- t['m'] = 833;
- t['n'] = 556;
- t['o'] = 556;
- t['p'] = 556;
- t['q'] = 556;
- t['r'] = 333;
- t['s'] = 500;
- t['t'] = 278;
- t['u'] = 556;
- t['v'] = 500;
- t['w'] = 722;
- t['x'] = 500;
- t['y'] = 500;
- t['z'] = 500;
- t['braceleft'] = 334;
- t['bar'] = 260;
- t['braceright'] = 334;
- t['asciitilde'] = 584;
- t['exclamdown'] = 333;
- t['cent'] = 556;
- t['sterling'] = 556;
- t['fraction'] = 167;
- t['yen'] = 556;
- t['florin'] = 556;
- t['section'] = 556;
- t['currency'] = 556;
- t['quotesingle'] = 191;
- t['quotedblleft'] = 333;
- t['guillemotleft'] = 556;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 500;
- t['fl'] = 500;
- t['endash'] = 556;
- t['dagger'] = 556;
- t['daggerdbl'] = 556;
- t['periodcentered'] = 278;
- t['paragraph'] = 537;
- t['bullet'] = 350;
- t['quotesinglbase'] = 222;
- t['quotedblbase'] = 333;
- t['quotedblright'] = 333;
- t['guillemotright'] = 556;
- t['ellipsis'] = 1000;
- t['perthousand'] = 1000;
- t['questiondown'] = 611;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 1000;
- t['AE'] = 1000;
- t['ordfeminine'] = 370;
- t['Lslash'] = 556;
- t['Oslash'] = 778;
- t['OE'] = 1000;
- t['ordmasculine'] = 365;
- t['ae'] = 889;
- t['dotlessi'] = 278;
- t['lslash'] = 222;
- t['oslash'] = 611;
- t['oe'] = 944;
- t['germandbls'] = 611;
- t['Idieresis'] = 278;
- t['eacute'] = 556;
- t['abreve'] = 556;
- t['uhungarumlaut'] = 556;
- t['ecaron'] = 556;
- t['Ydieresis'] = 667;
- t['divide'] = 584;
- t['Yacute'] = 667;
- t['Acircumflex'] = 667;
- t['aacute'] = 556;
- t['Ucircumflex'] = 722;
- t['yacute'] = 500;
- t['scommaaccent'] = 500;
- t['ecircumflex'] = 556;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 556;
- t['Uacute'] = 722;
- t['uogonek'] = 556;
- t['Edieresis'] = 667;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 737;
- t['Emacron'] = 667;
- t['ccaron'] = 500;
- t['aring'] = 556;
- t['Ncommaaccent'] = 722;
- t['lacute'] = 222;
- t['agrave'] = 556;
- t['Tcommaaccent'] = 611;
- t['Cacute'] = 722;
- t['atilde'] = 556;
- t['Edotaccent'] = 667;
- t['scaron'] = 500;
- t['scedilla'] = 500;
- t['iacute'] = 278;
- t['lozenge'] = 471;
- t['Rcaron'] = 722;
- t['Gcommaaccent'] = 778;
- t['ucircumflex'] = 556;
- t['acircumflex'] = 556;
- t['Amacron'] = 667;
- t['rcaron'] = 333;
- t['ccedilla'] = 500;
- t['Zdotaccent'] = 611;
- t['Thorn'] = 667;
- t['Omacron'] = 778;
- t['Racute'] = 722;
- t['Sacute'] = 667;
- t['dcaron'] = 643;
- t['Umacron'] = 722;
- t['uring'] = 556;
- t['threesuperior'] = 333;
- t['Ograve'] = 778;
- t['Agrave'] = 667;
- t['Abreve'] = 667;
- t['multiply'] = 584;
- t['uacute'] = 556;
- t['Tcaron'] = 611;
- t['partialdiff'] = 476;
- t['ydieresis'] = 500;
- t['Nacute'] = 722;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 667;
- t['adieresis'] = 556;
- t['edieresis'] = 556;
- t['cacute'] = 500;
- t['nacute'] = 556;
- t['umacron'] = 556;
- t['Ncaron'] = 722;
- t['Iacute'] = 278;
- t['plusminus'] = 584;
- t['brokenbar'] = 260;
- t['registered'] = 737;
- t['Gbreve'] = 778;
- t['Idotaccent'] = 278;
- t['summation'] = 600;
- t['Egrave'] = 667;
- t['racute'] = 333;
- t['omacron'] = 556;
- t['Zacute'] = 611;
- t['Zcaron'] = 611;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 722;
- t['lcommaaccent'] = 222;
- t['tcaron'] = 317;
- t['eogonek'] = 556;
- t['Uogonek'] = 722;
- t['Aacute'] = 667;
- t['Adieresis'] = 667;
- t['egrave'] = 556;
- t['zacute'] = 500;
- t['iogonek'] = 222;
- t['Oacute'] = 778;
- t['oacute'] = 556;
- t['amacron'] = 556;
- t['sacute'] = 500;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 778;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 556;
- t['twosuperior'] = 333;
- t['Odieresis'] = 778;
- t['mu'] = 556;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 556;
- t['Eogonek'] = 667;
- t['dcroat'] = 556;
- t['threequarters'] = 834;
- t['Scedilla'] = 667;
- t['lcaron'] = 299;
- t['Kcommaaccent'] = 667;
- t['Lacute'] = 556;
- t['trademark'] = 1000;
- t['edotaccent'] = 556;
- t['Igrave'] = 278;
- t['Imacron'] = 278;
- t['Lcaron'] = 556;
- t['onehalf'] = 834;
- t['lessequal'] = 549;
- t['ocircumflex'] = 556;
- t['ntilde'] = 556;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 667;
- t['emacron'] = 556;
- t['gbreve'] = 556;
- t['onequarter'] = 834;
- t['Scaron'] = 667;
- t['Scommaaccent'] = 667;
- t['Ohungarumlaut'] = 778;
- t['degree'] = 400;
- t['ograve'] = 556;
- t['Ccaron'] = 722;
- t['ugrave'] = 556;
- t['radical'] = 453;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 333;
- t['Ntilde'] = 722;
- t['otilde'] = 556;
- t['Rcommaaccent'] = 722;
- t['Lcommaaccent'] = 556;
- t['Atilde'] = 667;
- t['Aogonek'] = 667;
- t['Aring'] = 667;
- t['Otilde'] = 778;
- t['zdotaccent'] = 500;
- t['Ecaron'] = 667;
- t['Iogonek'] = 278;
- t['kcommaaccent'] = 500;
- t['minus'] = 584;
- t['Icircumflex'] = 278;
- t['ncaron'] = 556;
- t['tcommaaccent'] = 278;
- t['logicalnot'] = 584;
- t['odieresis'] = 556;
- t['udieresis'] = 556;
- t['notequal'] = 549;
- t['gcommaaccent'] = 556;
- t['eth'] = 556;
- t['zcaron'] = 500;
- t['ncommaaccent'] = 556;
- t['onesuperior'] = 333;
- t['imacron'] = 278;
- t['Euro'] = 556;
- });
- t['Helvetica-Bold'] = getLookupTableFactory(function (t) {
- t['space'] = 278;
- t['exclam'] = 333;
- t['quotedbl'] = 474;
- t['numbersign'] = 556;
- t['dollar'] = 556;
- t['percent'] = 889;
- t['ampersand'] = 722;
- t['quoteright'] = 278;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 389;
- t['plus'] = 584;
- t['comma'] = 278;
- t['hyphen'] = 333;
- t['period'] = 278;
- t['slash'] = 278;
- t['zero'] = 556;
- t['one'] = 556;
- t['two'] = 556;
- t['three'] = 556;
- t['four'] = 556;
- t['five'] = 556;
- t['six'] = 556;
- t['seven'] = 556;
- t['eight'] = 556;
- t['nine'] = 556;
- t['colon'] = 333;
- t['semicolon'] = 333;
- t['less'] = 584;
- t['equal'] = 584;
- t['greater'] = 584;
- t['question'] = 611;
- t['at'] = 975;
- t['A'] = 722;
- t['B'] = 722;
- t['C'] = 722;
- t['D'] = 722;
- t['E'] = 667;
- t['F'] = 611;
- t['G'] = 778;
- t['H'] = 722;
- t['I'] = 278;
- t['J'] = 556;
- t['K'] = 722;
- t['L'] = 611;
- t['M'] = 833;
- t['N'] = 722;
- t['O'] = 778;
- t['P'] = 667;
- t['Q'] = 778;
- t['R'] = 722;
- t['S'] = 667;
- t['T'] = 611;
- t['U'] = 722;
- t['V'] = 667;
- t['W'] = 944;
- t['X'] = 667;
- t['Y'] = 667;
- t['Z'] = 611;
- t['bracketleft'] = 333;
- t['backslash'] = 278;
- t['bracketright'] = 333;
- t['asciicircum'] = 584;
- t['underscore'] = 556;
- t['quoteleft'] = 278;
- t['a'] = 556;
- t['b'] = 611;
- t['c'] = 556;
- t['d'] = 611;
- t['e'] = 556;
- t['f'] = 333;
- t['g'] = 611;
- t['h'] = 611;
- t['i'] = 278;
- t['j'] = 278;
- t['k'] = 556;
- t['l'] = 278;
- t['m'] = 889;
- t['n'] = 611;
- t['o'] = 611;
- t['p'] = 611;
- t['q'] = 611;
- t['r'] = 389;
- t['s'] = 556;
- t['t'] = 333;
- t['u'] = 611;
- t['v'] = 556;
- t['w'] = 778;
- t['x'] = 556;
- t['y'] = 556;
- t['z'] = 500;
- t['braceleft'] = 389;
- t['bar'] = 280;
- t['braceright'] = 389;
- t['asciitilde'] = 584;
- t['exclamdown'] = 333;
- t['cent'] = 556;
- t['sterling'] = 556;
- t['fraction'] = 167;
- t['yen'] = 556;
- t['florin'] = 556;
- t['section'] = 556;
- t['currency'] = 556;
- t['quotesingle'] = 238;
- t['quotedblleft'] = 500;
- t['guillemotleft'] = 556;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 611;
- t['fl'] = 611;
- t['endash'] = 556;
- t['dagger'] = 556;
- t['daggerdbl'] = 556;
- t['periodcentered'] = 278;
- t['paragraph'] = 556;
- t['bullet'] = 350;
- t['quotesinglbase'] = 278;
- t['quotedblbase'] = 500;
- t['quotedblright'] = 500;
- t['guillemotright'] = 556;
- t['ellipsis'] = 1000;
- t['perthousand'] = 1000;
- t['questiondown'] = 611;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 1000;
- t['AE'] = 1000;
- t['ordfeminine'] = 370;
- t['Lslash'] = 611;
- t['Oslash'] = 778;
- t['OE'] = 1000;
- t['ordmasculine'] = 365;
- t['ae'] = 889;
- t['dotlessi'] = 278;
- t['lslash'] = 278;
- t['oslash'] = 611;
- t['oe'] = 944;
- t['germandbls'] = 611;
- t['Idieresis'] = 278;
- t['eacute'] = 556;
- t['abreve'] = 556;
- t['uhungarumlaut'] = 611;
- t['ecaron'] = 556;
- t['Ydieresis'] = 667;
- t['divide'] = 584;
- t['Yacute'] = 667;
- t['Acircumflex'] = 722;
- t['aacute'] = 556;
- t['Ucircumflex'] = 722;
- t['yacute'] = 556;
- t['scommaaccent'] = 556;
- t['ecircumflex'] = 556;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 556;
- t['Uacute'] = 722;
- t['uogonek'] = 611;
- t['Edieresis'] = 667;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 737;
- t['Emacron'] = 667;
- t['ccaron'] = 556;
- t['aring'] = 556;
- t['Ncommaaccent'] = 722;
- t['lacute'] = 278;
- t['agrave'] = 556;
- t['Tcommaaccent'] = 611;
- t['Cacute'] = 722;
- t['atilde'] = 556;
- t['Edotaccent'] = 667;
- t['scaron'] = 556;
- t['scedilla'] = 556;
- t['iacute'] = 278;
- t['lozenge'] = 494;
- t['Rcaron'] = 722;
- t['Gcommaaccent'] = 778;
- t['ucircumflex'] = 611;
- t['acircumflex'] = 556;
- t['Amacron'] = 722;
- t['rcaron'] = 389;
- t['ccedilla'] = 556;
- t['Zdotaccent'] = 611;
- t['Thorn'] = 667;
- t['Omacron'] = 778;
- t['Racute'] = 722;
- t['Sacute'] = 667;
- t['dcaron'] = 743;
- t['Umacron'] = 722;
- t['uring'] = 611;
- t['threesuperior'] = 333;
- t['Ograve'] = 778;
- t['Agrave'] = 722;
- t['Abreve'] = 722;
- t['multiply'] = 584;
- t['uacute'] = 611;
- t['Tcaron'] = 611;
- t['partialdiff'] = 494;
- t['ydieresis'] = 556;
- t['Nacute'] = 722;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 667;
- t['adieresis'] = 556;
- t['edieresis'] = 556;
- t['cacute'] = 556;
- t['nacute'] = 611;
- t['umacron'] = 611;
- t['Ncaron'] = 722;
- t['Iacute'] = 278;
- t['plusminus'] = 584;
- t['brokenbar'] = 280;
- t['registered'] = 737;
- t['Gbreve'] = 778;
- t['Idotaccent'] = 278;
- t['summation'] = 600;
- t['Egrave'] = 667;
- t['racute'] = 389;
- t['omacron'] = 611;
- t['Zacute'] = 611;
- t['Zcaron'] = 611;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 722;
- t['lcommaaccent'] = 278;
- t['tcaron'] = 389;
- t['eogonek'] = 556;
- t['Uogonek'] = 722;
- t['Aacute'] = 722;
- t['Adieresis'] = 722;
- t['egrave'] = 556;
- t['zacute'] = 500;
- t['iogonek'] = 278;
- t['Oacute'] = 778;
- t['oacute'] = 611;
- t['amacron'] = 556;
- t['sacute'] = 556;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 778;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 611;
- t['twosuperior'] = 333;
- t['Odieresis'] = 778;
- t['mu'] = 611;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 611;
- t['Eogonek'] = 667;
- t['dcroat'] = 611;
- t['threequarters'] = 834;
- t['Scedilla'] = 667;
- t['lcaron'] = 400;
- t['Kcommaaccent'] = 722;
- t['Lacute'] = 611;
- t['trademark'] = 1000;
- t['edotaccent'] = 556;
- t['Igrave'] = 278;
- t['Imacron'] = 278;
- t['Lcaron'] = 611;
- t['onehalf'] = 834;
- t['lessequal'] = 549;
- t['ocircumflex'] = 611;
- t['ntilde'] = 611;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 667;
- t['emacron'] = 556;
- t['gbreve'] = 611;
- t['onequarter'] = 834;
- t['Scaron'] = 667;
- t['Scommaaccent'] = 667;
- t['Ohungarumlaut'] = 778;
- t['degree'] = 400;
- t['ograve'] = 611;
- t['Ccaron'] = 722;
- t['ugrave'] = 611;
- t['radical'] = 549;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 389;
- t['Ntilde'] = 722;
- t['otilde'] = 611;
- t['Rcommaaccent'] = 722;
- t['Lcommaaccent'] = 611;
- t['Atilde'] = 722;
- t['Aogonek'] = 722;
- t['Aring'] = 722;
- t['Otilde'] = 778;
- t['zdotaccent'] = 500;
- t['Ecaron'] = 667;
- t['Iogonek'] = 278;
- t['kcommaaccent'] = 556;
- t['minus'] = 584;
- t['Icircumflex'] = 278;
- t['ncaron'] = 611;
- t['tcommaaccent'] = 333;
- t['logicalnot'] = 584;
- t['odieresis'] = 611;
- t['udieresis'] = 611;
- t['notequal'] = 549;
- t['gcommaaccent'] = 611;
- t['eth'] = 611;
- t['zcaron'] = 500;
- t['ncommaaccent'] = 611;
- t['onesuperior'] = 333;
- t['imacron'] = 278;
- t['Euro'] = 556;
- });
- t['Helvetica-BoldOblique'] = getLookupTableFactory(function (t) {
- t['space'] = 278;
- t['exclam'] = 333;
- t['quotedbl'] = 474;
- t['numbersign'] = 556;
- t['dollar'] = 556;
- t['percent'] = 889;
- t['ampersand'] = 722;
- t['quoteright'] = 278;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 389;
- t['plus'] = 584;
- t['comma'] = 278;
- t['hyphen'] = 333;
- t['period'] = 278;
- t['slash'] = 278;
- t['zero'] = 556;
- t['one'] = 556;
- t['two'] = 556;
- t['three'] = 556;
- t['four'] = 556;
- t['five'] = 556;
- t['six'] = 556;
- t['seven'] = 556;
- t['eight'] = 556;
- t['nine'] = 556;
- t['colon'] = 333;
- t['semicolon'] = 333;
- t['less'] = 584;
- t['equal'] = 584;
- t['greater'] = 584;
- t['question'] = 611;
- t['at'] = 975;
- t['A'] = 722;
- t['B'] = 722;
- t['C'] = 722;
- t['D'] = 722;
- t['E'] = 667;
- t['F'] = 611;
- t['G'] = 778;
- t['H'] = 722;
- t['I'] = 278;
- t['J'] = 556;
- t['K'] = 722;
- t['L'] = 611;
- t['M'] = 833;
- t['N'] = 722;
- t['O'] = 778;
- t['P'] = 667;
- t['Q'] = 778;
- t['R'] = 722;
- t['S'] = 667;
- t['T'] = 611;
- t['U'] = 722;
- t['V'] = 667;
- t['W'] = 944;
- t['X'] = 667;
- t['Y'] = 667;
- t['Z'] = 611;
- t['bracketleft'] = 333;
- t['backslash'] = 278;
- t['bracketright'] = 333;
- t['asciicircum'] = 584;
- t['underscore'] = 556;
- t['quoteleft'] = 278;
- t['a'] = 556;
- t['b'] = 611;
- t['c'] = 556;
- t['d'] = 611;
- t['e'] = 556;
- t['f'] = 333;
- t['g'] = 611;
- t['h'] = 611;
- t['i'] = 278;
- t['j'] = 278;
- t['k'] = 556;
- t['l'] = 278;
- t['m'] = 889;
- t['n'] = 611;
- t['o'] = 611;
- t['p'] = 611;
- t['q'] = 611;
- t['r'] = 389;
- t['s'] = 556;
- t['t'] = 333;
- t['u'] = 611;
- t['v'] = 556;
- t['w'] = 778;
- t['x'] = 556;
- t['y'] = 556;
- t['z'] = 500;
- t['braceleft'] = 389;
- t['bar'] = 280;
- t['braceright'] = 389;
- t['asciitilde'] = 584;
- t['exclamdown'] = 333;
- t['cent'] = 556;
- t['sterling'] = 556;
- t['fraction'] = 167;
- t['yen'] = 556;
- t['florin'] = 556;
- t['section'] = 556;
- t['currency'] = 556;
- t['quotesingle'] = 238;
- t['quotedblleft'] = 500;
- t['guillemotleft'] = 556;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 611;
- t['fl'] = 611;
- t['endash'] = 556;
- t['dagger'] = 556;
- t['daggerdbl'] = 556;
- t['periodcentered'] = 278;
- t['paragraph'] = 556;
- t['bullet'] = 350;
- t['quotesinglbase'] = 278;
- t['quotedblbase'] = 500;
- t['quotedblright'] = 500;
- t['guillemotright'] = 556;
- t['ellipsis'] = 1000;
- t['perthousand'] = 1000;
- t['questiondown'] = 611;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 1000;
- t['AE'] = 1000;
- t['ordfeminine'] = 370;
- t['Lslash'] = 611;
- t['Oslash'] = 778;
- t['OE'] = 1000;
- t['ordmasculine'] = 365;
- t['ae'] = 889;
- t['dotlessi'] = 278;
- t['lslash'] = 278;
- t['oslash'] = 611;
- t['oe'] = 944;
- t['germandbls'] = 611;
- t['Idieresis'] = 278;
- t['eacute'] = 556;
- t['abreve'] = 556;
- t['uhungarumlaut'] = 611;
- t['ecaron'] = 556;
- t['Ydieresis'] = 667;
- t['divide'] = 584;
- t['Yacute'] = 667;
- t['Acircumflex'] = 722;
- t['aacute'] = 556;
- t['Ucircumflex'] = 722;
- t['yacute'] = 556;
- t['scommaaccent'] = 556;
- t['ecircumflex'] = 556;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 556;
- t['Uacute'] = 722;
- t['uogonek'] = 611;
- t['Edieresis'] = 667;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 737;
- t['Emacron'] = 667;
- t['ccaron'] = 556;
- t['aring'] = 556;
- t['Ncommaaccent'] = 722;
- t['lacute'] = 278;
- t['agrave'] = 556;
- t['Tcommaaccent'] = 611;
- t['Cacute'] = 722;
- t['atilde'] = 556;
- t['Edotaccent'] = 667;
- t['scaron'] = 556;
- t['scedilla'] = 556;
- t['iacute'] = 278;
- t['lozenge'] = 494;
- t['Rcaron'] = 722;
- t['Gcommaaccent'] = 778;
- t['ucircumflex'] = 611;
- t['acircumflex'] = 556;
- t['Amacron'] = 722;
- t['rcaron'] = 389;
- t['ccedilla'] = 556;
- t['Zdotaccent'] = 611;
- t['Thorn'] = 667;
- t['Omacron'] = 778;
- t['Racute'] = 722;
- t['Sacute'] = 667;
- t['dcaron'] = 743;
- t['Umacron'] = 722;
- t['uring'] = 611;
- t['threesuperior'] = 333;
- t['Ograve'] = 778;
- t['Agrave'] = 722;
- t['Abreve'] = 722;
- t['multiply'] = 584;
- t['uacute'] = 611;
- t['Tcaron'] = 611;
- t['partialdiff'] = 494;
- t['ydieresis'] = 556;
- t['Nacute'] = 722;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 667;
- t['adieresis'] = 556;
- t['edieresis'] = 556;
- t['cacute'] = 556;
- t['nacute'] = 611;
- t['umacron'] = 611;
- t['Ncaron'] = 722;
- t['Iacute'] = 278;
- t['plusminus'] = 584;
- t['brokenbar'] = 280;
- t['registered'] = 737;
- t['Gbreve'] = 778;
- t['Idotaccent'] = 278;
- t['summation'] = 600;
- t['Egrave'] = 667;
- t['racute'] = 389;
- t['omacron'] = 611;
- t['Zacute'] = 611;
- t['Zcaron'] = 611;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 722;
- t['lcommaaccent'] = 278;
- t['tcaron'] = 389;
- t['eogonek'] = 556;
- t['Uogonek'] = 722;
- t['Aacute'] = 722;
- t['Adieresis'] = 722;
- t['egrave'] = 556;
- t['zacute'] = 500;
- t['iogonek'] = 278;
- t['Oacute'] = 778;
- t['oacute'] = 611;
- t['amacron'] = 556;
- t['sacute'] = 556;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 778;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 611;
- t['twosuperior'] = 333;
- t['Odieresis'] = 778;
- t['mu'] = 611;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 611;
- t['Eogonek'] = 667;
- t['dcroat'] = 611;
- t['threequarters'] = 834;
- t['Scedilla'] = 667;
- t['lcaron'] = 400;
- t['Kcommaaccent'] = 722;
- t['Lacute'] = 611;
- t['trademark'] = 1000;
- t['edotaccent'] = 556;
- t['Igrave'] = 278;
- t['Imacron'] = 278;
- t['Lcaron'] = 611;
- t['onehalf'] = 834;
- t['lessequal'] = 549;
- t['ocircumflex'] = 611;
- t['ntilde'] = 611;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 667;
- t['emacron'] = 556;
- t['gbreve'] = 611;
- t['onequarter'] = 834;
- t['Scaron'] = 667;
- t['Scommaaccent'] = 667;
- t['Ohungarumlaut'] = 778;
- t['degree'] = 400;
- t['ograve'] = 611;
- t['Ccaron'] = 722;
- t['ugrave'] = 611;
- t['radical'] = 549;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 389;
- t['Ntilde'] = 722;
- t['otilde'] = 611;
- t['Rcommaaccent'] = 722;
- t['Lcommaaccent'] = 611;
- t['Atilde'] = 722;
- t['Aogonek'] = 722;
- t['Aring'] = 722;
- t['Otilde'] = 778;
- t['zdotaccent'] = 500;
- t['Ecaron'] = 667;
- t['Iogonek'] = 278;
- t['kcommaaccent'] = 556;
- t['minus'] = 584;
- t['Icircumflex'] = 278;
- t['ncaron'] = 611;
- t['tcommaaccent'] = 333;
- t['logicalnot'] = 584;
- t['odieresis'] = 611;
- t['udieresis'] = 611;
- t['notequal'] = 549;
- t['gcommaaccent'] = 611;
- t['eth'] = 611;
- t['zcaron'] = 500;
- t['ncommaaccent'] = 611;
- t['onesuperior'] = 333;
- t['imacron'] = 278;
- t['Euro'] = 556;
- });
- t['Helvetica-Oblique'] = getLookupTableFactory(function (t) {
- t['space'] = 278;
- t['exclam'] = 278;
- t['quotedbl'] = 355;
- t['numbersign'] = 556;
- t['dollar'] = 556;
- t['percent'] = 889;
- t['ampersand'] = 667;
- t['quoteright'] = 222;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 389;
- t['plus'] = 584;
- t['comma'] = 278;
- t['hyphen'] = 333;
- t['period'] = 278;
- t['slash'] = 278;
- t['zero'] = 556;
- t['one'] = 556;
- t['two'] = 556;
- t['three'] = 556;
- t['four'] = 556;
- t['five'] = 556;
- t['six'] = 556;
- t['seven'] = 556;
- t['eight'] = 556;
- t['nine'] = 556;
- t['colon'] = 278;
- t['semicolon'] = 278;
- t['less'] = 584;
- t['equal'] = 584;
- t['greater'] = 584;
- t['question'] = 556;
- t['at'] = 1015;
- t['A'] = 667;
- t['B'] = 667;
- t['C'] = 722;
- t['D'] = 722;
- t['E'] = 667;
- t['F'] = 611;
- t['G'] = 778;
- t['H'] = 722;
- t['I'] = 278;
- t['J'] = 500;
- t['K'] = 667;
- t['L'] = 556;
- t['M'] = 833;
- t['N'] = 722;
- t['O'] = 778;
- t['P'] = 667;
- t['Q'] = 778;
- t['R'] = 722;
- t['S'] = 667;
- t['T'] = 611;
- t['U'] = 722;
- t['V'] = 667;
- t['W'] = 944;
- t['X'] = 667;
- t['Y'] = 667;
- t['Z'] = 611;
- t['bracketleft'] = 278;
- t['backslash'] = 278;
- t['bracketright'] = 278;
- t['asciicircum'] = 469;
- t['underscore'] = 556;
- t['quoteleft'] = 222;
- t['a'] = 556;
- t['b'] = 556;
- t['c'] = 500;
- t['d'] = 556;
- t['e'] = 556;
- t['f'] = 278;
- t['g'] = 556;
- t['h'] = 556;
- t['i'] = 222;
- t['j'] = 222;
- t['k'] = 500;
- t['l'] = 222;
- t['m'] = 833;
- t['n'] = 556;
- t['o'] = 556;
- t['p'] = 556;
- t['q'] = 556;
- t['r'] = 333;
- t['s'] = 500;
- t['t'] = 278;
- t['u'] = 556;
- t['v'] = 500;
- t['w'] = 722;
- t['x'] = 500;
- t['y'] = 500;
- t['z'] = 500;
- t['braceleft'] = 334;
- t['bar'] = 260;
- t['braceright'] = 334;
- t['asciitilde'] = 584;
- t['exclamdown'] = 333;
- t['cent'] = 556;
- t['sterling'] = 556;
- t['fraction'] = 167;
- t['yen'] = 556;
- t['florin'] = 556;
- t['section'] = 556;
- t['currency'] = 556;
- t['quotesingle'] = 191;
- t['quotedblleft'] = 333;
- t['guillemotleft'] = 556;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 500;
- t['fl'] = 500;
- t['endash'] = 556;
- t['dagger'] = 556;
- t['daggerdbl'] = 556;
- t['periodcentered'] = 278;
- t['paragraph'] = 537;
- t['bullet'] = 350;
- t['quotesinglbase'] = 222;
- t['quotedblbase'] = 333;
- t['quotedblright'] = 333;
- t['guillemotright'] = 556;
- t['ellipsis'] = 1000;
- t['perthousand'] = 1000;
- t['questiondown'] = 611;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 1000;
- t['AE'] = 1000;
- t['ordfeminine'] = 370;
- t['Lslash'] = 556;
- t['Oslash'] = 778;
- t['OE'] = 1000;
- t['ordmasculine'] = 365;
- t['ae'] = 889;
- t['dotlessi'] = 278;
- t['lslash'] = 222;
- t['oslash'] = 611;
- t['oe'] = 944;
- t['germandbls'] = 611;
- t['Idieresis'] = 278;
- t['eacute'] = 556;
- t['abreve'] = 556;
- t['uhungarumlaut'] = 556;
- t['ecaron'] = 556;
- t['Ydieresis'] = 667;
- t['divide'] = 584;
- t['Yacute'] = 667;
- t['Acircumflex'] = 667;
- t['aacute'] = 556;
- t['Ucircumflex'] = 722;
- t['yacute'] = 500;
- t['scommaaccent'] = 500;
- t['ecircumflex'] = 556;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 556;
- t['Uacute'] = 722;
- t['uogonek'] = 556;
- t['Edieresis'] = 667;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 737;
- t['Emacron'] = 667;
- t['ccaron'] = 500;
- t['aring'] = 556;
- t['Ncommaaccent'] = 722;
- t['lacute'] = 222;
- t['agrave'] = 556;
- t['Tcommaaccent'] = 611;
- t['Cacute'] = 722;
- t['atilde'] = 556;
- t['Edotaccent'] = 667;
- t['scaron'] = 500;
- t['scedilla'] = 500;
- t['iacute'] = 278;
- t['lozenge'] = 471;
- t['Rcaron'] = 722;
- t['Gcommaaccent'] = 778;
- t['ucircumflex'] = 556;
- t['acircumflex'] = 556;
- t['Amacron'] = 667;
- t['rcaron'] = 333;
- t['ccedilla'] = 500;
- t['Zdotaccent'] = 611;
- t['Thorn'] = 667;
- t['Omacron'] = 778;
- t['Racute'] = 722;
- t['Sacute'] = 667;
- t['dcaron'] = 643;
- t['Umacron'] = 722;
- t['uring'] = 556;
- t['threesuperior'] = 333;
- t['Ograve'] = 778;
- t['Agrave'] = 667;
- t['Abreve'] = 667;
- t['multiply'] = 584;
- t['uacute'] = 556;
- t['Tcaron'] = 611;
- t['partialdiff'] = 476;
- t['ydieresis'] = 500;
- t['Nacute'] = 722;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 667;
- t['adieresis'] = 556;
- t['edieresis'] = 556;
- t['cacute'] = 500;
- t['nacute'] = 556;
- t['umacron'] = 556;
- t['Ncaron'] = 722;
- t['Iacute'] = 278;
- t['plusminus'] = 584;
- t['brokenbar'] = 260;
- t['registered'] = 737;
- t['Gbreve'] = 778;
- t['Idotaccent'] = 278;
- t['summation'] = 600;
- t['Egrave'] = 667;
- t['racute'] = 333;
- t['omacron'] = 556;
- t['Zacute'] = 611;
- t['Zcaron'] = 611;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 722;
- t['lcommaaccent'] = 222;
- t['tcaron'] = 317;
- t['eogonek'] = 556;
- t['Uogonek'] = 722;
- t['Aacute'] = 667;
- t['Adieresis'] = 667;
- t['egrave'] = 556;
- t['zacute'] = 500;
- t['iogonek'] = 222;
- t['Oacute'] = 778;
- t['oacute'] = 556;
- t['amacron'] = 556;
- t['sacute'] = 500;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 778;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 556;
- t['twosuperior'] = 333;
- t['Odieresis'] = 778;
- t['mu'] = 556;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 556;
- t['Eogonek'] = 667;
- t['dcroat'] = 556;
- t['threequarters'] = 834;
- t['Scedilla'] = 667;
- t['lcaron'] = 299;
- t['Kcommaaccent'] = 667;
- t['Lacute'] = 556;
- t['trademark'] = 1000;
- t['edotaccent'] = 556;
- t['Igrave'] = 278;
- t['Imacron'] = 278;
- t['Lcaron'] = 556;
- t['onehalf'] = 834;
- t['lessequal'] = 549;
- t['ocircumflex'] = 556;
- t['ntilde'] = 556;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 667;
- t['emacron'] = 556;
- t['gbreve'] = 556;
- t['onequarter'] = 834;
- t['Scaron'] = 667;
- t['Scommaaccent'] = 667;
- t['Ohungarumlaut'] = 778;
- t['degree'] = 400;
- t['ograve'] = 556;
- t['Ccaron'] = 722;
- t['ugrave'] = 556;
- t['radical'] = 453;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 333;
- t['Ntilde'] = 722;
- t['otilde'] = 556;
- t['Rcommaaccent'] = 722;
- t['Lcommaaccent'] = 556;
- t['Atilde'] = 667;
- t['Aogonek'] = 667;
- t['Aring'] = 667;
- t['Otilde'] = 778;
- t['zdotaccent'] = 500;
- t['Ecaron'] = 667;
- t['Iogonek'] = 278;
- t['kcommaaccent'] = 500;
- t['minus'] = 584;
- t['Icircumflex'] = 278;
- t['ncaron'] = 556;
- t['tcommaaccent'] = 278;
- t['logicalnot'] = 584;
- t['odieresis'] = 556;
- t['udieresis'] = 556;
- t['notequal'] = 549;
- t['gcommaaccent'] = 556;
- t['eth'] = 556;
- t['zcaron'] = 500;
- t['ncommaaccent'] = 556;
- t['onesuperior'] = 333;
- t['imacron'] = 278;
- t['Euro'] = 556;
- });
- t['Symbol'] = getLookupTableFactory(function (t) {
- t['space'] = 250;
- t['exclam'] = 333;
- t['universal'] = 713;
- t['numbersign'] = 500;
- t['existential'] = 549;
- t['percent'] = 833;
- t['ampersand'] = 778;
- t['suchthat'] = 439;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asteriskmath'] = 500;
- t['plus'] = 549;
- t['comma'] = 250;
- t['minus'] = 549;
- t['period'] = 250;
- t['slash'] = 278;
- t['zero'] = 500;
- t['one'] = 500;
- t['two'] = 500;
- t['three'] = 500;
- t['four'] = 500;
- t['five'] = 500;
- t['six'] = 500;
- t['seven'] = 500;
- t['eight'] = 500;
- t['nine'] = 500;
- t['colon'] = 278;
- t['semicolon'] = 278;
- t['less'] = 549;
- t['equal'] = 549;
- t['greater'] = 549;
- t['question'] = 444;
- t['congruent'] = 549;
- t['Alpha'] = 722;
- t['Beta'] = 667;
- t['Chi'] = 722;
- t['Delta'] = 612;
- t['Epsilon'] = 611;
- t['Phi'] = 763;
- t['Gamma'] = 603;
- t['Eta'] = 722;
- t['Iota'] = 333;
- t['theta1'] = 631;
- t['Kappa'] = 722;
- t['Lambda'] = 686;
- t['Mu'] = 889;
- t['Nu'] = 722;
- t['Omicron'] = 722;
- t['Pi'] = 768;
- t['Theta'] = 741;
- t['Rho'] = 556;
- t['Sigma'] = 592;
- t['Tau'] = 611;
- t['Upsilon'] = 690;
- t['sigma1'] = 439;
- t['Omega'] = 768;
- t['Xi'] = 645;
- t['Psi'] = 795;
- t['Zeta'] = 611;
- t['bracketleft'] = 333;
- t['therefore'] = 863;
- t['bracketright'] = 333;
- t['perpendicular'] = 658;
- t['underscore'] = 500;
- t['radicalex'] = 500;
- t['alpha'] = 631;
- t['beta'] = 549;
- t['chi'] = 549;
- t['delta'] = 494;
- t['epsilon'] = 439;
- t['phi'] = 521;
- t['gamma'] = 411;
- t['eta'] = 603;
- t['iota'] = 329;
- t['phi1'] = 603;
- t['kappa'] = 549;
- t['lambda'] = 549;
- t['mu'] = 576;
- t['nu'] = 521;
- t['omicron'] = 549;
- t['pi'] = 549;
- t['theta'] = 521;
- t['rho'] = 549;
- t['sigma'] = 603;
- t['tau'] = 439;
- t['upsilon'] = 576;
- t['omega1'] = 713;
- t['omega'] = 686;
- t['xi'] = 493;
- t['psi'] = 686;
- t['zeta'] = 494;
- t['braceleft'] = 480;
- t['bar'] = 200;
- t['braceright'] = 480;
- t['similar'] = 549;
- t['Euro'] = 750;
- t['Upsilon1'] = 620;
- t['minute'] = 247;
- t['lessequal'] = 549;
- t['fraction'] = 167;
- t['infinity'] = 713;
- t['florin'] = 500;
- t['club'] = 753;
- t['diamond'] = 753;
- t['heart'] = 753;
- t['spade'] = 753;
- t['arrowboth'] = 1042;
- t['arrowleft'] = 987;
- t['arrowup'] = 603;
- t['arrowright'] = 987;
- t['arrowdown'] = 603;
- t['degree'] = 400;
- t['plusminus'] = 549;
- t['second'] = 411;
- t['greaterequal'] = 549;
- t['multiply'] = 549;
- t['proportional'] = 713;
- t['partialdiff'] = 494;
- t['bullet'] = 460;
- t['divide'] = 549;
- t['notequal'] = 549;
- t['equivalence'] = 549;
- t['approxequal'] = 549;
- t['ellipsis'] = 1000;
- t['arrowvertex'] = 603;
- t['arrowhorizex'] = 1000;
- t['carriagereturn'] = 658;
- t['aleph'] = 823;
- t['Ifraktur'] = 686;
- t['Rfraktur'] = 795;
- t['weierstrass'] = 987;
- t['circlemultiply'] = 768;
- t['circleplus'] = 768;
- t['emptyset'] = 823;
- t['intersection'] = 768;
- t['union'] = 768;
- t['propersuperset'] = 713;
- t['reflexsuperset'] = 713;
- t['notsubset'] = 713;
- t['propersubset'] = 713;
- t['reflexsubset'] = 713;
- t['element'] = 713;
- t['notelement'] = 713;
- t['angle'] = 768;
- t['gradient'] = 713;
- t['registerserif'] = 790;
- t['copyrightserif'] = 790;
- t['trademarkserif'] = 890;
- t['product'] = 823;
- t['radical'] = 549;
- t['dotmath'] = 250;
- t['logicalnot'] = 713;
- t['logicaland'] = 603;
- t['logicalor'] = 603;
- t['arrowdblboth'] = 1042;
- t['arrowdblleft'] = 987;
- t['arrowdblup'] = 603;
- t['arrowdblright'] = 987;
- t['arrowdbldown'] = 603;
- t['lozenge'] = 494;
- t['angleleft'] = 329;
- t['registersans'] = 790;
- t['copyrightsans'] = 790;
- t['trademarksans'] = 786;
- t['summation'] = 713;
- t['parenlefttp'] = 384;
- t['parenleftex'] = 384;
- t['parenleftbt'] = 384;
- t['bracketlefttp'] = 384;
- t['bracketleftex'] = 384;
- t['bracketleftbt'] = 384;
- t['bracelefttp'] = 494;
- t['braceleftmid'] = 494;
- t['braceleftbt'] = 494;
- t['braceex'] = 494;
- t['angleright'] = 329;
- t['integral'] = 274;
- t['integraltp'] = 686;
- t['integralex'] = 686;
- t['integralbt'] = 686;
- t['parenrighttp'] = 384;
- t['parenrightex'] = 384;
- t['parenrightbt'] = 384;
- t['bracketrighttp'] = 384;
- t['bracketrightex'] = 384;
- t['bracketrightbt'] = 384;
- t['bracerighttp'] = 494;
- t['bracerightmid'] = 494;
- t['bracerightbt'] = 494;
- t['apple'] = 790;
- });
- t['Times-Roman'] = getLookupTableFactory(function (t) {
- t['space'] = 250;
- t['exclam'] = 333;
- t['quotedbl'] = 408;
- t['numbersign'] = 500;
- t['dollar'] = 500;
- t['percent'] = 833;
- t['ampersand'] = 778;
- t['quoteright'] = 333;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 500;
- t['plus'] = 564;
- t['comma'] = 250;
- t['hyphen'] = 333;
- t['period'] = 250;
- t['slash'] = 278;
- t['zero'] = 500;
- t['one'] = 500;
- t['two'] = 500;
- t['three'] = 500;
- t['four'] = 500;
- t['five'] = 500;
- t['six'] = 500;
- t['seven'] = 500;
- t['eight'] = 500;
- t['nine'] = 500;
- t['colon'] = 278;
- t['semicolon'] = 278;
- t['less'] = 564;
- t['equal'] = 564;
- t['greater'] = 564;
- t['question'] = 444;
- t['at'] = 921;
- t['A'] = 722;
- t['B'] = 667;
- t['C'] = 667;
- t['D'] = 722;
- t['E'] = 611;
- t['F'] = 556;
- t['G'] = 722;
- t['H'] = 722;
- t['I'] = 333;
- t['J'] = 389;
- t['K'] = 722;
- t['L'] = 611;
- t['M'] = 889;
- t['N'] = 722;
- t['O'] = 722;
- t['P'] = 556;
- t['Q'] = 722;
- t['R'] = 667;
- t['S'] = 556;
- t['T'] = 611;
- t['U'] = 722;
- t['V'] = 722;
- t['W'] = 944;
- t['X'] = 722;
- t['Y'] = 722;
- t['Z'] = 611;
- t['bracketleft'] = 333;
- t['backslash'] = 278;
- t['bracketright'] = 333;
- t['asciicircum'] = 469;
- t['underscore'] = 500;
- t['quoteleft'] = 333;
- t['a'] = 444;
- t['b'] = 500;
- t['c'] = 444;
- t['d'] = 500;
- t['e'] = 444;
- t['f'] = 333;
- t['g'] = 500;
- t['h'] = 500;
- t['i'] = 278;
- t['j'] = 278;
- t['k'] = 500;
- t['l'] = 278;
- t['m'] = 778;
- t['n'] = 500;
- t['o'] = 500;
- t['p'] = 500;
- t['q'] = 500;
- t['r'] = 333;
- t['s'] = 389;
- t['t'] = 278;
- t['u'] = 500;
- t['v'] = 500;
- t['w'] = 722;
- t['x'] = 500;
- t['y'] = 500;
- t['z'] = 444;
- t['braceleft'] = 480;
- t['bar'] = 200;
- t['braceright'] = 480;
- t['asciitilde'] = 541;
- t['exclamdown'] = 333;
- t['cent'] = 500;
- t['sterling'] = 500;
- t['fraction'] = 167;
- t['yen'] = 500;
- t['florin'] = 500;
- t['section'] = 500;
- t['currency'] = 500;
- t['quotesingle'] = 180;
- t['quotedblleft'] = 444;
- t['guillemotleft'] = 500;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 556;
- t['fl'] = 556;
- t['endash'] = 500;
- t['dagger'] = 500;
- t['daggerdbl'] = 500;
- t['periodcentered'] = 250;
- t['paragraph'] = 453;
- t['bullet'] = 350;
- t['quotesinglbase'] = 333;
- t['quotedblbase'] = 444;
- t['quotedblright'] = 444;
- t['guillemotright'] = 500;
- t['ellipsis'] = 1000;
- t['perthousand'] = 1000;
- t['questiondown'] = 444;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 1000;
- t['AE'] = 889;
- t['ordfeminine'] = 276;
- t['Lslash'] = 611;
- t['Oslash'] = 722;
- t['OE'] = 889;
- t['ordmasculine'] = 310;
- t['ae'] = 667;
- t['dotlessi'] = 278;
- t['lslash'] = 278;
- t['oslash'] = 500;
- t['oe'] = 722;
- t['germandbls'] = 500;
- t['Idieresis'] = 333;
- t['eacute'] = 444;
- t['abreve'] = 444;
- t['uhungarumlaut'] = 500;
- t['ecaron'] = 444;
- t['Ydieresis'] = 722;
- t['divide'] = 564;
- t['Yacute'] = 722;
- t['Acircumflex'] = 722;
- t['aacute'] = 444;
- t['Ucircumflex'] = 722;
- t['yacute'] = 500;
- t['scommaaccent'] = 389;
- t['ecircumflex'] = 444;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 444;
- t['Uacute'] = 722;
- t['uogonek'] = 500;
- t['Edieresis'] = 611;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 760;
- t['Emacron'] = 611;
- t['ccaron'] = 444;
- t['aring'] = 444;
- t['Ncommaaccent'] = 722;
- t['lacute'] = 278;
- t['agrave'] = 444;
- t['Tcommaaccent'] = 611;
- t['Cacute'] = 667;
- t['atilde'] = 444;
- t['Edotaccent'] = 611;
- t['scaron'] = 389;
- t['scedilla'] = 389;
- t['iacute'] = 278;
- t['lozenge'] = 471;
- t['Rcaron'] = 667;
- t['Gcommaaccent'] = 722;
- t['ucircumflex'] = 500;
- t['acircumflex'] = 444;
- t['Amacron'] = 722;
- t['rcaron'] = 333;
- t['ccedilla'] = 444;
- t['Zdotaccent'] = 611;
- t['Thorn'] = 556;
- t['Omacron'] = 722;
- t['Racute'] = 667;
- t['Sacute'] = 556;
- t['dcaron'] = 588;
- t['Umacron'] = 722;
- t['uring'] = 500;
- t['threesuperior'] = 300;
- t['Ograve'] = 722;
- t['Agrave'] = 722;
- t['Abreve'] = 722;
- t['multiply'] = 564;
- t['uacute'] = 500;
- t['Tcaron'] = 611;
- t['partialdiff'] = 476;
- t['ydieresis'] = 500;
- t['Nacute'] = 722;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 611;
- t['adieresis'] = 444;
- t['edieresis'] = 444;
- t['cacute'] = 444;
- t['nacute'] = 500;
- t['umacron'] = 500;
- t['Ncaron'] = 722;
- t['Iacute'] = 333;
- t['plusminus'] = 564;
- t['brokenbar'] = 200;
- t['registered'] = 760;
- t['Gbreve'] = 722;
- t['Idotaccent'] = 333;
- t['summation'] = 600;
- t['Egrave'] = 611;
- t['racute'] = 333;
- t['omacron'] = 500;
- t['Zacute'] = 611;
- t['Zcaron'] = 611;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 667;
- t['lcommaaccent'] = 278;
- t['tcaron'] = 326;
- t['eogonek'] = 444;
- t['Uogonek'] = 722;
- t['Aacute'] = 722;
- t['Adieresis'] = 722;
- t['egrave'] = 444;
- t['zacute'] = 444;
- t['iogonek'] = 278;
- t['Oacute'] = 722;
- t['oacute'] = 500;
- t['amacron'] = 444;
- t['sacute'] = 389;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 722;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 500;
- t['twosuperior'] = 300;
- t['Odieresis'] = 722;
- t['mu'] = 500;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 500;
- t['Eogonek'] = 611;
- t['dcroat'] = 500;
- t['threequarters'] = 750;
- t['Scedilla'] = 556;
- t['lcaron'] = 344;
- t['Kcommaaccent'] = 722;
- t['Lacute'] = 611;
- t['trademark'] = 980;
- t['edotaccent'] = 444;
- t['Igrave'] = 333;
- t['Imacron'] = 333;
- t['Lcaron'] = 611;
- t['onehalf'] = 750;
- t['lessequal'] = 549;
- t['ocircumflex'] = 500;
- t['ntilde'] = 500;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 611;
- t['emacron'] = 444;
- t['gbreve'] = 500;
- t['onequarter'] = 750;
- t['Scaron'] = 556;
- t['Scommaaccent'] = 556;
- t['Ohungarumlaut'] = 722;
- t['degree'] = 400;
- t['ograve'] = 500;
- t['Ccaron'] = 667;
- t['ugrave'] = 500;
- t['radical'] = 453;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 333;
- t['Ntilde'] = 722;
- t['otilde'] = 500;
- t['Rcommaaccent'] = 667;
- t['Lcommaaccent'] = 611;
- t['Atilde'] = 722;
- t['Aogonek'] = 722;
- t['Aring'] = 722;
- t['Otilde'] = 722;
- t['zdotaccent'] = 444;
- t['Ecaron'] = 611;
- t['Iogonek'] = 333;
- t['kcommaaccent'] = 500;
- t['minus'] = 564;
- t['Icircumflex'] = 333;
- t['ncaron'] = 500;
- t['tcommaaccent'] = 278;
- t['logicalnot'] = 564;
- t['odieresis'] = 500;
- t['udieresis'] = 500;
- t['notequal'] = 549;
- t['gcommaaccent'] = 500;
- t['eth'] = 500;
- t['zcaron'] = 444;
- t['ncommaaccent'] = 500;
- t['onesuperior'] = 300;
- t['imacron'] = 278;
- t['Euro'] = 500;
- });
- t['Times-Bold'] = getLookupTableFactory(function (t) {
- t['space'] = 250;
- t['exclam'] = 333;
- t['quotedbl'] = 555;
- t['numbersign'] = 500;
- t['dollar'] = 500;
- t['percent'] = 1000;
- t['ampersand'] = 833;
- t['quoteright'] = 333;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 500;
- t['plus'] = 570;
- t['comma'] = 250;
- t['hyphen'] = 333;
- t['period'] = 250;
- t['slash'] = 278;
- t['zero'] = 500;
- t['one'] = 500;
- t['two'] = 500;
- t['three'] = 500;
- t['four'] = 500;
- t['five'] = 500;
- t['six'] = 500;
- t['seven'] = 500;
- t['eight'] = 500;
- t['nine'] = 500;
- t['colon'] = 333;
- t['semicolon'] = 333;
- t['less'] = 570;
- t['equal'] = 570;
- t['greater'] = 570;
- t['question'] = 500;
- t['at'] = 930;
- t['A'] = 722;
- t['B'] = 667;
- t['C'] = 722;
- t['D'] = 722;
- t['E'] = 667;
- t['F'] = 611;
- t['G'] = 778;
- t['H'] = 778;
- t['I'] = 389;
- t['J'] = 500;
- t['K'] = 778;
- t['L'] = 667;
- t['M'] = 944;
- t['N'] = 722;
- t['O'] = 778;
- t['P'] = 611;
- t['Q'] = 778;
- t['R'] = 722;
- t['S'] = 556;
- t['T'] = 667;
- t['U'] = 722;
- t['V'] = 722;
- t['W'] = 1000;
- t['X'] = 722;
- t['Y'] = 722;
- t['Z'] = 667;
- t['bracketleft'] = 333;
- t['backslash'] = 278;
- t['bracketright'] = 333;
- t['asciicircum'] = 581;
- t['underscore'] = 500;
- t['quoteleft'] = 333;
- t['a'] = 500;
- t['b'] = 556;
- t['c'] = 444;
- t['d'] = 556;
- t['e'] = 444;
- t['f'] = 333;
- t['g'] = 500;
- t['h'] = 556;
- t['i'] = 278;
- t['j'] = 333;
- t['k'] = 556;
- t['l'] = 278;
- t['m'] = 833;
- t['n'] = 556;
- t['o'] = 500;
- t['p'] = 556;
- t['q'] = 556;
- t['r'] = 444;
- t['s'] = 389;
- t['t'] = 333;
- t['u'] = 556;
- t['v'] = 500;
- t['w'] = 722;
- t['x'] = 500;
- t['y'] = 500;
- t['z'] = 444;
- t['braceleft'] = 394;
- t['bar'] = 220;
- t['braceright'] = 394;
- t['asciitilde'] = 520;
- t['exclamdown'] = 333;
- t['cent'] = 500;
- t['sterling'] = 500;
- t['fraction'] = 167;
- t['yen'] = 500;
- t['florin'] = 500;
- t['section'] = 500;
- t['currency'] = 500;
- t['quotesingle'] = 278;
- t['quotedblleft'] = 500;
- t['guillemotleft'] = 500;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 556;
- t['fl'] = 556;
- t['endash'] = 500;
- t['dagger'] = 500;
- t['daggerdbl'] = 500;
- t['periodcentered'] = 250;
- t['paragraph'] = 540;
- t['bullet'] = 350;
- t['quotesinglbase'] = 333;
- t['quotedblbase'] = 500;
- t['quotedblright'] = 500;
- t['guillemotright'] = 500;
- t['ellipsis'] = 1000;
- t['perthousand'] = 1000;
- t['questiondown'] = 500;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 1000;
- t['AE'] = 1000;
- t['ordfeminine'] = 300;
- t['Lslash'] = 667;
- t['Oslash'] = 778;
- t['OE'] = 1000;
- t['ordmasculine'] = 330;
- t['ae'] = 722;
- t['dotlessi'] = 278;
- t['lslash'] = 278;
- t['oslash'] = 500;
- t['oe'] = 722;
- t['germandbls'] = 556;
- t['Idieresis'] = 389;
- t['eacute'] = 444;
- t['abreve'] = 500;
- t['uhungarumlaut'] = 556;
- t['ecaron'] = 444;
- t['Ydieresis'] = 722;
- t['divide'] = 570;
- t['Yacute'] = 722;
- t['Acircumflex'] = 722;
- t['aacute'] = 500;
- t['Ucircumflex'] = 722;
- t['yacute'] = 500;
- t['scommaaccent'] = 389;
- t['ecircumflex'] = 444;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 500;
- t['Uacute'] = 722;
- t['uogonek'] = 556;
- t['Edieresis'] = 667;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 747;
- t['Emacron'] = 667;
- t['ccaron'] = 444;
- t['aring'] = 500;
- t['Ncommaaccent'] = 722;
- t['lacute'] = 278;
- t['agrave'] = 500;
- t['Tcommaaccent'] = 667;
- t['Cacute'] = 722;
- t['atilde'] = 500;
- t['Edotaccent'] = 667;
- t['scaron'] = 389;
- t['scedilla'] = 389;
- t['iacute'] = 278;
- t['lozenge'] = 494;
- t['Rcaron'] = 722;
- t['Gcommaaccent'] = 778;
- t['ucircumflex'] = 556;
- t['acircumflex'] = 500;
- t['Amacron'] = 722;
- t['rcaron'] = 444;
- t['ccedilla'] = 444;
- t['Zdotaccent'] = 667;
- t['Thorn'] = 611;
- t['Omacron'] = 778;
- t['Racute'] = 722;
- t['Sacute'] = 556;
- t['dcaron'] = 672;
- t['Umacron'] = 722;
- t['uring'] = 556;
- t['threesuperior'] = 300;
- t['Ograve'] = 778;
- t['Agrave'] = 722;
- t['Abreve'] = 722;
- t['multiply'] = 570;
- t['uacute'] = 556;
- t['Tcaron'] = 667;
- t['partialdiff'] = 494;
- t['ydieresis'] = 500;
- t['Nacute'] = 722;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 667;
- t['adieresis'] = 500;
- t['edieresis'] = 444;
- t['cacute'] = 444;
- t['nacute'] = 556;
- t['umacron'] = 556;
- t['Ncaron'] = 722;
- t['Iacute'] = 389;
- t['plusminus'] = 570;
- t['brokenbar'] = 220;
- t['registered'] = 747;
- t['Gbreve'] = 778;
- t['Idotaccent'] = 389;
- t['summation'] = 600;
- t['Egrave'] = 667;
- t['racute'] = 444;
- t['omacron'] = 500;
- t['Zacute'] = 667;
- t['Zcaron'] = 667;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 722;
- t['lcommaaccent'] = 278;
- t['tcaron'] = 416;
- t['eogonek'] = 444;
- t['Uogonek'] = 722;
- t['Aacute'] = 722;
- t['Adieresis'] = 722;
- t['egrave'] = 444;
- t['zacute'] = 444;
- t['iogonek'] = 278;
- t['Oacute'] = 778;
- t['oacute'] = 500;
- t['amacron'] = 500;
- t['sacute'] = 389;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 778;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 556;
- t['twosuperior'] = 300;
- t['Odieresis'] = 778;
- t['mu'] = 556;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 500;
- t['Eogonek'] = 667;
- t['dcroat'] = 556;
- t['threequarters'] = 750;
- t['Scedilla'] = 556;
- t['lcaron'] = 394;
- t['Kcommaaccent'] = 778;
- t['Lacute'] = 667;
- t['trademark'] = 1000;
- t['edotaccent'] = 444;
- t['Igrave'] = 389;
- t['Imacron'] = 389;
- t['Lcaron'] = 667;
- t['onehalf'] = 750;
- t['lessequal'] = 549;
- t['ocircumflex'] = 500;
- t['ntilde'] = 556;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 667;
- t['emacron'] = 444;
- t['gbreve'] = 500;
- t['onequarter'] = 750;
- t['Scaron'] = 556;
- t['Scommaaccent'] = 556;
- t['Ohungarumlaut'] = 778;
- t['degree'] = 400;
- t['ograve'] = 500;
- t['Ccaron'] = 722;
- t['ugrave'] = 556;
- t['radical'] = 549;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 444;
- t['Ntilde'] = 722;
- t['otilde'] = 500;
- t['Rcommaaccent'] = 722;
- t['Lcommaaccent'] = 667;
- t['Atilde'] = 722;
- t['Aogonek'] = 722;
- t['Aring'] = 722;
- t['Otilde'] = 778;
- t['zdotaccent'] = 444;
- t['Ecaron'] = 667;
- t['Iogonek'] = 389;
- t['kcommaaccent'] = 556;
- t['minus'] = 570;
- t['Icircumflex'] = 389;
- t['ncaron'] = 556;
- t['tcommaaccent'] = 333;
- t['logicalnot'] = 570;
- t['odieresis'] = 500;
- t['udieresis'] = 556;
- t['notequal'] = 549;
- t['gcommaaccent'] = 500;
- t['eth'] = 500;
- t['zcaron'] = 444;
- t['ncommaaccent'] = 556;
- t['onesuperior'] = 300;
- t['imacron'] = 278;
- t['Euro'] = 500;
- });
- t['Times-BoldItalic'] = getLookupTableFactory(function (t) {
- t['space'] = 250;
- t['exclam'] = 389;
- t['quotedbl'] = 555;
- t['numbersign'] = 500;
- t['dollar'] = 500;
- t['percent'] = 833;
- t['ampersand'] = 778;
- t['quoteright'] = 333;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 500;
- t['plus'] = 570;
- t['comma'] = 250;
- t['hyphen'] = 333;
- t['period'] = 250;
- t['slash'] = 278;
- t['zero'] = 500;
- t['one'] = 500;
- t['two'] = 500;
- t['three'] = 500;
- t['four'] = 500;
- t['five'] = 500;
- t['six'] = 500;
- t['seven'] = 500;
- t['eight'] = 500;
- t['nine'] = 500;
- t['colon'] = 333;
- t['semicolon'] = 333;
- t['less'] = 570;
- t['equal'] = 570;
- t['greater'] = 570;
- t['question'] = 500;
- t['at'] = 832;
- t['A'] = 667;
- t['B'] = 667;
- t['C'] = 667;
- t['D'] = 722;
- t['E'] = 667;
- t['F'] = 667;
- t['G'] = 722;
- t['H'] = 778;
- t['I'] = 389;
- t['J'] = 500;
- t['K'] = 667;
- t['L'] = 611;
- t['M'] = 889;
- t['N'] = 722;
- t['O'] = 722;
- t['P'] = 611;
- t['Q'] = 722;
- t['R'] = 667;
- t['S'] = 556;
- t['T'] = 611;
- t['U'] = 722;
- t['V'] = 667;
- t['W'] = 889;
- t['X'] = 667;
- t['Y'] = 611;
- t['Z'] = 611;
- t['bracketleft'] = 333;
- t['backslash'] = 278;
- t['bracketright'] = 333;
- t['asciicircum'] = 570;
- t['underscore'] = 500;
- t['quoteleft'] = 333;
- t['a'] = 500;
- t['b'] = 500;
- t['c'] = 444;
- t['d'] = 500;
- t['e'] = 444;
- t['f'] = 333;
- t['g'] = 500;
- t['h'] = 556;
- t['i'] = 278;
- t['j'] = 278;
- t['k'] = 500;
- t['l'] = 278;
- t['m'] = 778;
- t['n'] = 556;
- t['o'] = 500;
- t['p'] = 500;
- t['q'] = 500;
- t['r'] = 389;
- t['s'] = 389;
- t['t'] = 278;
- t['u'] = 556;
- t['v'] = 444;
- t['w'] = 667;
- t['x'] = 500;
- t['y'] = 444;
- t['z'] = 389;
- t['braceleft'] = 348;
- t['bar'] = 220;
- t['braceright'] = 348;
- t['asciitilde'] = 570;
- t['exclamdown'] = 389;
- t['cent'] = 500;
- t['sterling'] = 500;
- t['fraction'] = 167;
- t['yen'] = 500;
- t['florin'] = 500;
- t['section'] = 500;
- t['currency'] = 500;
- t['quotesingle'] = 278;
- t['quotedblleft'] = 500;
- t['guillemotleft'] = 500;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 556;
- t['fl'] = 556;
- t['endash'] = 500;
- t['dagger'] = 500;
- t['daggerdbl'] = 500;
- t['periodcentered'] = 250;
- t['paragraph'] = 500;
- t['bullet'] = 350;
- t['quotesinglbase'] = 333;
- t['quotedblbase'] = 500;
- t['quotedblright'] = 500;
- t['guillemotright'] = 500;
- t['ellipsis'] = 1000;
- t['perthousand'] = 1000;
- t['questiondown'] = 500;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 1000;
- t['AE'] = 944;
- t['ordfeminine'] = 266;
- t['Lslash'] = 611;
- t['Oslash'] = 722;
- t['OE'] = 944;
- t['ordmasculine'] = 300;
- t['ae'] = 722;
- t['dotlessi'] = 278;
- t['lslash'] = 278;
- t['oslash'] = 500;
- t['oe'] = 722;
- t['germandbls'] = 500;
- t['Idieresis'] = 389;
- t['eacute'] = 444;
- t['abreve'] = 500;
- t['uhungarumlaut'] = 556;
- t['ecaron'] = 444;
- t['Ydieresis'] = 611;
- t['divide'] = 570;
- t['Yacute'] = 611;
- t['Acircumflex'] = 667;
- t['aacute'] = 500;
- t['Ucircumflex'] = 722;
- t['yacute'] = 444;
- t['scommaaccent'] = 389;
- t['ecircumflex'] = 444;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 500;
- t['Uacute'] = 722;
- t['uogonek'] = 556;
- t['Edieresis'] = 667;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 747;
- t['Emacron'] = 667;
- t['ccaron'] = 444;
- t['aring'] = 500;
- t['Ncommaaccent'] = 722;
- t['lacute'] = 278;
- t['agrave'] = 500;
- t['Tcommaaccent'] = 611;
- t['Cacute'] = 667;
- t['atilde'] = 500;
- t['Edotaccent'] = 667;
- t['scaron'] = 389;
- t['scedilla'] = 389;
- t['iacute'] = 278;
- t['lozenge'] = 494;
- t['Rcaron'] = 667;
- t['Gcommaaccent'] = 722;
- t['ucircumflex'] = 556;
- t['acircumflex'] = 500;
- t['Amacron'] = 667;
- t['rcaron'] = 389;
- t['ccedilla'] = 444;
- t['Zdotaccent'] = 611;
- t['Thorn'] = 611;
- t['Omacron'] = 722;
- t['Racute'] = 667;
- t['Sacute'] = 556;
- t['dcaron'] = 608;
- t['Umacron'] = 722;
- t['uring'] = 556;
- t['threesuperior'] = 300;
- t['Ograve'] = 722;
- t['Agrave'] = 667;
- t['Abreve'] = 667;
- t['multiply'] = 570;
- t['uacute'] = 556;
- t['Tcaron'] = 611;
- t['partialdiff'] = 494;
- t['ydieresis'] = 444;
- t['Nacute'] = 722;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 667;
- t['adieresis'] = 500;
- t['edieresis'] = 444;
- t['cacute'] = 444;
- t['nacute'] = 556;
- t['umacron'] = 556;
- t['Ncaron'] = 722;
- t['Iacute'] = 389;
- t['plusminus'] = 570;
- t['brokenbar'] = 220;
- t['registered'] = 747;
- t['Gbreve'] = 722;
- t['Idotaccent'] = 389;
- t['summation'] = 600;
- t['Egrave'] = 667;
- t['racute'] = 389;
- t['omacron'] = 500;
- t['Zacute'] = 611;
- t['Zcaron'] = 611;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 667;
- t['lcommaaccent'] = 278;
- t['tcaron'] = 366;
- t['eogonek'] = 444;
- t['Uogonek'] = 722;
- t['Aacute'] = 667;
- t['Adieresis'] = 667;
- t['egrave'] = 444;
- t['zacute'] = 389;
- t['iogonek'] = 278;
- t['Oacute'] = 722;
- t['oacute'] = 500;
- t['amacron'] = 500;
- t['sacute'] = 389;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 722;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 500;
- t['twosuperior'] = 300;
- t['Odieresis'] = 722;
- t['mu'] = 576;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 500;
- t['Eogonek'] = 667;
- t['dcroat'] = 500;
- t['threequarters'] = 750;
- t['Scedilla'] = 556;
- t['lcaron'] = 382;
- t['Kcommaaccent'] = 667;
- t['Lacute'] = 611;
- t['trademark'] = 1000;
- t['edotaccent'] = 444;
- t['Igrave'] = 389;
- t['Imacron'] = 389;
- t['Lcaron'] = 611;
- t['onehalf'] = 750;
- t['lessequal'] = 549;
- t['ocircumflex'] = 500;
- t['ntilde'] = 556;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 667;
- t['emacron'] = 444;
- t['gbreve'] = 500;
- t['onequarter'] = 750;
- t['Scaron'] = 556;
- t['Scommaaccent'] = 556;
- t['Ohungarumlaut'] = 722;
- t['degree'] = 400;
- t['ograve'] = 500;
- t['Ccaron'] = 667;
- t['ugrave'] = 556;
- t['radical'] = 549;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 389;
- t['Ntilde'] = 722;
- t['otilde'] = 500;
- t['Rcommaaccent'] = 667;
- t['Lcommaaccent'] = 611;
- t['Atilde'] = 667;
- t['Aogonek'] = 667;
- t['Aring'] = 667;
- t['Otilde'] = 722;
- t['zdotaccent'] = 389;
- t['Ecaron'] = 667;
- t['Iogonek'] = 389;
- t['kcommaaccent'] = 500;
- t['minus'] = 606;
- t['Icircumflex'] = 389;
- t['ncaron'] = 556;
- t['tcommaaccent'] = 278;
- t['logicalnot'] = 606;
- t['odieresis'] = 500;
- t['udieresis'] = 556;
- t['notequal'] = 549;
- t['gcommaaccent'] = 500;
- t['eth'] = 500;
- t['zcaron'] = 389;
- t['ncommaaccent'] = 556;
- t['onesuperior'] = 300;
- t['imacron'] = 278;
- t['Euro'] = 500;
- });
- t['Times-Italic'] = getLookupTableFactory(function (t) {
- t['space'] = 250;
- t['exclam'] = 333;
- t['quotedbl'] = 420;
- t['numbersign'] = 500;
- t['dollar'] = 500;
- t['percent'] = 833;
- t['ampersand'] = 778;
- t['quoteright'] = 333;
- t['parenleft'] = 333;
- t['parenright'] = 333;
- t['asterisk'] = 500;
- t['plus'] = 675;
- t['comma'] = 250;
- t['hyphen'] = 333;
- t['period'] = 250;
- t['slash'] = 278;
- t['zero'] = 500;
- t['one'] = 500;
- t['two'] = 500;
- t['three'] = 500;
- t['four'] = 500;
- t['five'] = 500;
- t['six'] = 500;
- t['seven'] = 500;
- t['eight'] = 500;
- t['nine'] = 500;
- t['colon'] = 333;
- t['semicolon'] = 333;
- t['less'] = 675;
- t['equal'] = 675;
- t['greater'] = 675;
- t['question'] = 500;
- t['at'] = 920;
- t['A'] = 611;
- t['B'] = 611;
- t['C'] = 667;
- t['D'] = 722;
- t['E'] = 611;
- t['F'] = 611;
- t['G'] = 722;
- t['H'] = 722;
- t['I'] = 333;
- t['J'] = 444;
- t['K'] = 667;
- t['L'] = 556;
- t['M'] = 833;
- t['N'] = 667;
- t['O'] = 722;
- t['P'] = 611;
- t['Q'] = 722;
- t['R'] = 611;
- t['S'] = 500;
- t['T'] = 556;
- t['U'] = 722;
- t['V'] = 611;
- t['W'] = 833;
- t['X'] = 611;
- t['Y'] = 556;
- t['Z'] = 556;
- t['bracketleft'] = 389;
- t['backslash'] = 278;
- t['bracketright'] = 389;
- t['asciicircum'] = 422;
- t['underscore'] = 500;
- t['quoteleft'] = 333;
- t['a'] = 500;
- t['b'] = 500;
- t['c'] = 444;
- t['d'] = 500;
- t['e'] = 444;
- t['f'] = 278;
- t['g'] = 500;
- t['h'] = 500;
- t['i'] = 278;
- t['j'] = 278;
- t['k'] = 444;
- t['l'] = 278;
- t['m'] = 722;
- t['n'] = 500;
- t['o'] = 500;
- t['p'] = 500;
- t['q'] = 500;
- t['r'] = 389;
- t['s'] = 389;
- t['t'] = 278;
- t['u'] = 500;
- t['v'] = 444;
- t['w'] = 667;
- t['x'] = 444;
- t['y'] = 444;
- t['z'] = 389;
- t['braceleft'] = 400;
- t['bar'] = 275;
- t['braceright'] = 400;
- t['asciitilde'] = 541;
- t['exclamdown'] = 389;
- t['cent'] = 500;
- t['sterling'] = 500;
- t['fraction'] = 167;
- t['yen'] = 500;
- t['florin'] = 500;
- t['section'] = 500;
- t['currency'] = 500;
- t['quotesingle'] = 214;
- t['quotedblleft'] = 556;
- t['guillemotleft'] = 500;
- t['guilsinglleft'] = 333;
- t['guilsinglright'] = 333;
- t['fi'] = 500;
- t['fl'] = 500;
- t['endash'] = 500;
- t['dagger'] = 500;
- t['daggerdbl'] = 500;
- t['periodcentered'] = 250;
- t['paragraph'] = 523;
- t['bullet'] = 350;
- t['quotesinglbase'] = 333;
- t['quotedblbase'] = 556;
- t['quotedblright'] = 556;
- t['guillemotright'] = 500;
- t['ellipsis'] = 889;
- t['perthousand'] = 1000;
- t['questiondown'] = 500;
- t['grave'] = 333;
- t['acute'] = 333;
- t['circumflex'] = 333;
- t['tilde'] = 333;
- t['macron'] = 333;
- t['breve'] = 333;
- t['dotaccent'] = 333;
- t['dieresis'] = 333;
- t['ring'] = 333;
- t['cedilla'] = 333;
- t['hungarumlaut'] = 333;
- t['ogonek'] = 333;
- t['caron'] = 333;
- t['emdash'] = 889;
- t['AE'] = 889;
- t['ordfeminine'] = 276;
- t['Lslash'] = 556;
- t['Oslash'] = 722;
- t['OE'] = 944;
- t['ordmasculine'] = 310;
- t['ae'] = 667;
- t['dotlessi'] = 278;
- t['lslash'] = 278;
- t['oslash'] = 500;
- t['oe'] = 667;
- t['germandbls'] = 500;
- t['Idieresis'] = 333;
- t['eacute'] = 444;
- t['abreve'] = 500;
- t['uhungarumlaut'] = 500;
- t['ecaron'] = 444;
- t['Ydieresis'] = 556;
- t['divide'] = 675;
- t['Yacute'] = 556;
- t['Acircumflex'] = 611;
- t['aacute'] = 500;
- t['Ucircumflex'] = 722;
- t['yacute'] = 444;
- t['scommaaccent'] = 389;
- t['ecircumflex'] = 444;
- t['Uring'] = 722;
- t['Udieresis'] = 722;
- t['aogonek'] = 500;
- t['Uacute'] = 722;
- t['uogonek'] = 500;
- t['Edieresis'] = 611;
- t['Dcroat'] = 722;
- t['commaaccent'] = 250;
- t['copyright'] = 760;
- t['Emacron'] = 611;
- t['ccaron'] = 444;
- t['aring'] = 500;
- t['Ncommaaccent'] = 667;
- t['lacute'] = 278;
- t['agrave'] = 500;
- t['Tcommaaccent'] = 556;
- t['Cacute'] = 667;
- t['atilde'] = 500;
- t['Edotaccent'] = 611;
- t['scaron'] = 389;
- t['scedilla'] = 389;
- t['iacute'] = 278;
- t['lozenge'] = 471;
- t['Rcaron'] = 611;
- t['Gcommaaccent'] = 722;
- t['ucircumflex'] = 500;
- t['acircumflex'] = 500;
- t['Amacron'] = 611;
- t['rcaron'] = 389;
- t['ccedilla'] = 444;
- t['Zdotaccent'] = 556;
- t['Thorn'] = 611;
- t['Omacron'] = 722;
- t['Racute'] = 611;
- t['Sacute'] = 500;
- t['dcaron'] = 544;
- t['Umacron'] = 722;
- t['uring'] = 500;
- t['threesuperior'] = 300;
- t['Ograve'] = 722;
- t['Agrave'] = 611;
- t['Abreve'] = 611;
- t['multiply'] = 675;
- t['uacute'] = 500;
- t['Tcaron'] = 556;
- t['partialdiff'] = 476;
- t['ydieresis'] = 444;
- t['Nacute'] = 667;
- t['icircumflex'] = 278;
- t['Ecircumflex'] = 611;
- t['adieresis'] = 500;
- t['edieresis'] = 444;
- t['cacute'] = 444;
- t['nacute'] = 500;
- t['umacron'] = 500;
- t['Ncaron'] = 667;
- t['Iacute'] = 333;
- t['plusminus'] = 675;
- t['brokenbar'] = 275;
- t['registered'] = 760;
- t['Gbreve'] = 722;
- t['Idotaccent'] = 333;
- t['summation'] = 600;
- t['Egrave'] = 611;
- t['racute'] = 389;
- t['omacron'] = 500;
- t['Zacute'] = 556;
- t['Zcaron'] = 556;
- t['greaterequal'] = 549;
- t['Eth'] = 722;
- t['Ccedilla'] = 667;
- t['lcommaaccent'] = 278;
- t['tcaron'] = 300;
- t['eogonek'] = 444;
- t['Uogonek'] = 722;
- t['Aacute'] = 611;
- t['Adieresis'] = 611;
- t['egrave'] = 444;
- t['zacute'] = 389;
- t['iogonek'] = 278;
- t['Oacute'] = 722;
- t['oacute'] = 500;
- t['amacron'] = 500;
- t['sacute'] = 389;
- t['idieresis'] = 278;
- t['Ocircumflex'] = 722;
- t['Ugrave'] = 722;
- t['Delta'] = 612;
- t['thorn'] = 500;
- t['twosuperior'] = 300;
- t['Odieresis'] = 722;
- t['mu'] = 500;
- t['igrave'] = 278;
- t['ohungarumlaut'] = 500;
- t['Eogonek'] = 611;
- t['dcroat'] = 500;
- t['threequarters'] = 750;
- t['Scedilla'] = 500;
- t['lcaron'] = 300;
- t['Kcommaaccent'] = 667;
- t['Lacute'] = 556;
- t['trademark'] = 980;
- t['edotaccent'] = 444;
- t['Igrave'] = 333;
- t['Imacron'] = 333;
- t['Lcaron'] = 611;
- t['onehalf'] = 750;
- t['lessequal'] = 549;
- t['ocircumflex'] = 500;
- t['ntilde'] = 500;
- t['Uhungarumlaut'] = 722;
- t['Eacute'] = 611;
- t['emacron'] = 444;
- t['gbreve'] = 500;
- t['onequarter'] = 750;
- t['Scaron'] = 500;
- t['Scommaaccent'] = 500;
- t['Ohungarumlaut'] = 722;
- t['degree'] = 400;
- t['ograve'] = 500;
- t['Ccaron'] = 667;
- t['ugrave'] = 500;
- t['radical'] = 453;
- t['Dcaron'] = 722;
- t['rcommaaccent'] = 389;
- t['Ntilde'] = 667;
- t['otilde'] = 500;
- t['Rcommaaccent'] = 611;
- t['Lcommaaccent'] = 556;
- t['Atilde'] = 611;
- t['Aogonek'] = 611;
- t['Aring'] = 611;
- t['Otilde'] = 722;
- t['zdotaccent'] = 389;
- t['Ecaron'] = 611;
- t['Iogonek'] = 333;
- t['kcommaaccent'] = 444;
- t['minus'] = 675;
- t['Icircumflex'] = 333;
- t['ncaron'] = 500;
- t['tcommaaccent'] = 278;
- t['logicalnot'] = 675;
- t['odieresis'] = 500;
- t['udieresis'] = 500;
- t['notequal'] = 549;
- t['gcommaaccent'] = 500;
- t['eth'] = 500;
- t['zcaron'] = 389;
- t['ncommaaccent'] = 500;
- t['onesuperior'] = 300;
- t['imacron'] = 278;
- t['Euro'] = 500;
- });
- t['ZapfDingbats'] = getLookupTableFactory(function (t) {
- t['space'] = 278;
- t['a1'] = 974;
- t['a2'] = 961;
- t['a202'] = 974;
- t['a3'] = 980;
- t['a4'] = 719;
- t['a5'] = 789;
- t['a119'] = 790;
- t['a118'] = 791;
- t['a117'] = 690;
- t['a11'] = 960;
- t['a12'] = 939;
- t['a13'] = 549;
- t['a14'] = 855;
- t['a15'] = 911;
- t['a16'] = 933;
- t['a105'] = 911;
- t['a17'] = 945;
- t['a18'] = 974;
- t['a19'] = 755;
- t['a20'] = 846;
- t['a21'] = 762;
- t['a22'] = 761;
- t['a23'] = 571;
- t['a24'] = 677;
- t['a25'] = 763;
- t['a26'] = 760;
- t['a27'] = 759;
- t['a28'] = 754;
- t['a6'] = 494;
- t['a7'] = 552;
- t['a8'] = 537;
- t['a9'] = 577;
- t['a10'] = 692;
- t['a29'] = 786;
- t['a30'] = 788;
- t['a31'] = 788;
- t['a32'] = 790;
- t['a33'] = 793;
- t['a34'] = 794;
- t['a35'] = 816;
- t['a36'] = 823;
- t['a37'] = 789;
- t['a38'] = 841;
- t['a39'] = 823;
- t['a40'] = 833;
- t['a41'] = 816;
- t['a42'] = 831;
- t['a43'] = 923;
- t['a44'] = 744;
- t['a45'] = 723;
- t['a46'] = 749;
- t['a47'] = 790;
- t['a48'] = 792;
- t['a49'] = 695;
- t['a50'] = 776;
- t['a51'] = 768;
- t['a52'] = 792;
- t['a53'] = 759;
- t['a54'] = 707;
- t['a55'] = 708;
- t['a56'] = 682;
- t['a57'] = 701;
- t['a58'] = 826;
- t['a59'] = 815;
- t['a60'] = 789;
- t['a61'] = 789;
- t['a62'] = 707;
- t['a63'] = 687;
- t['a64'] = 696;
- t['a65'] = 689;
- t['a66'] = 786;
- t['a67'] = 787;
- t['a68'] = 713;
- t['a69'] = 791;
- t['a70'] = 785;
- t['a71'] = 791;
- t['a72'] = 873;
- t['a73'] = 761;
- t['a74'] = 762;
- t['a203'] = 762;
- t['a75'] = 759;
- t['a204'] = 759;
- t['a76'] = 892;
- t['a77'] = 892;
- t['a78'] = 788;
- t['a79'] = 784;
- t['a81'] = 438;
- t['a82'] = 138;
- t['a83'] = 277;
- t['a84'] = 415;
- t['a97'] = 392;
- t['a98'] = 392;
- t['a99'] = 668;
- t['a100'] = 668;
- t['a89'] = 390;
- t['a90'] = 390;
- t['a93'] = 317;
- t['a94'] = 317;
- t['a91'] = 276;
- t['a92'] = 276;
- t['a205'] = 509;
- t['a85'] = 509;
- t['a206'] = 410;
- t['a86'] = 410;
- t['a87'] = 234;
- t['a88'] = 234;
- t['a95'] = 334;
- t['a96'] = 334;
- t['a101'] = 732;
- t['a102'] = 544;
- t['a103'] = 544;
- t['a104'] = 910;
- t['a106'] = 667;
- t['a107'] = 760;
- t['a108'] = 760;
- t['a112'] = 776;
- t['a111'] = 595;
- t['a110'] = 694;
- t['a109'] = 626;
- t['a120'] = 788;
- t['a121'] = 788;
- t['a122'] = 788;
- t['a123'] = 788;
- t['a124'] = 788;
- t['a125'] = 788;
- t['a126'] = 788;
- t['a127'] = 788;
- t['a128'] = 788;
- t['a129'] = 788;
- t['a130'] = 788;
- t['a131'] = 788;
- t['a132'] = 788;
- t['a133'] = 788;
- t['a134'] = 788;
- t['a135'] = 788;
- t['a136'] = 788;
- t['a137'] = 788;
- t['a138'] = 788;
- t['a139'] = 788;
- t['a140'] = 788;
- t['a141'] = 788;
- t['a142'] = 788;
- t['a143'] = 788;
- t['a144'] = 788;
- t['a145'] = 788;
- t['a146'] = 788;
- t['a147'] = 788;
- t['a148'] = 788;
- t['a149'] = 788;
- t['a150'] = 788;
- t['a151'] = 788;
- t['a152'] = 788;
- t['a153'] = 788;
- t['a154'] = 788;
- t['a155'] = 788;
- t['a156'] = 788;
- t['a157'] = 788;
- t['a158'] = 788;
- t['a159'] = 788;
- t['a160'] = 894;
- t['a161'] = 838;
- t['a163'] = 1016;
- t['a164'] = 458;
- t['a196'] = 748;
- t['a165'] = 924;
- t['a192'] = 748;
- t['a166'] = 918;
- t['a167'] = 927;
- t['a168'] = 928;
- t['a169'] = 928;
- t['a170'] = 834;
- t['a171'] = 873;
- t['a172'] = 828;
- t['a173'] = 924;
- t['a162'] = 924;
- t['a174'] = 917;
- t['a175'] = 930;
- t['a176'] = 931;
- t['a177'] = 463;
- t['a178'] = 883;
- t['a179'] = 836;
- t['a193'] = 836;
- t['a180'] = 867;
- t['a199'] = 867;
- t['a181'] = 696;
- t['a200'] = 696;
- t['a182'] = 874;
- t['a201'] = 874;
- t['a183'] = 760;
- t['a184'] = 946;
- t['a197'] = 771;
- t['a185'] = 865;
- t['a194'] = 771;
- t['a198'] = 888;
- t['a186'] = 967;
- t['a195'] = 888;
- t['a187'] = 831;
- t['a188'] = 873;
- t['a189'] = 927;
- t['a190'] = 970;
- t['a191'] = 918;
- });
- });
- exports.getMetrics = getMetrics;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreMurmurHash3 = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var Uint32ArrayView = sharedUtil.Uint32ArrayView;
- var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
- // Workaround for missing math precision in JS.
- var MASK_HIGH = 0xffff0000;
- var MASK_LOW = 0xffff;
- function MurmurHash3_64(seed) {
- var SEED = 0xc3d2e1f0;
- this.h1 = seed ? seed & 0xffffffff : SEED;
- this.h2 = seed ? seed & 0xffffffff : SEED;
- }
- var alwaysUseUint32ArrayView = false;
- MurmurHash3_64.prototype = {
- update: function MurmurHash3_64_update(input) {
- var useUint32ArrayView = alwaysUseUint32ArrayView;
- var i;
- if (typeof input === 'string') {
- var data = new Uint8Array(input.length * 2);
- var length = 0;
- for (i = 0; i < input.length; i++) {
- var code = input.charCodeAt(i);
- if (code <= 0xff) {
- data[length++] = code;
- } else {
- data[length++] = code >>> 8;
- data[length++] = code & 0xff;
- }
- }
- } else if (input instanceof Uint8Array) {
- data = input;
- length = data.length;
- } else if (typeof input === 'object' && 'length' in input) {
- // processing regular arrays as well, e.g. for IE9
- data = input;
- length = data.length;
- useUint32ArrayView = true;
- } else {
- throw new Error('Wrong data format in MurmurHash3_64_update. ' + 'Input must be a string or array.');
- }
- var blockCounts = length >> 2;
- var tailLength = length - blockCounts * 4;
- // we don't care about endianness here
- var dataUint32 = useUint32ArrayView ? new Uint32ArrayView(data, blockCounts) : new Uint32Array(data.buffer, 0, blockCounts);
- var k1 = 0;
- var k2 = 0;
- var h1 = this.h1;
- var h2 = this.h2;
- var C1 = 0xcc9e2d51;
- var C2 = 0x1b873593;
- var C1_LOW = C1 & MASK_LOW;
- var C2_LOW = C2 & MASK_LOW;
- for (i = 0; i < blockCounts; i++) {
- if (i & 1) {
- k1 = dataUint32[i];
- k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
- k1 = k1 << 15 | k1 >>> 17;
- k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
- h1 ^= k1;
- h1 = h1 << 13 | h1 >>> 19;
- h1 = h1 * 5 + 0xe6546b64;
- } else {
- k2 = dataUint32[i];
- k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
- k2 = k2 << 15 | k2 >>> 17;
- k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
- h2 ^= k2;
- h2 = h2 << 13 | h2 >>> 19;
- h2 = h2 * 5 + 0xe6546b64;
- }
- }
- k1 = 0;
- switch (tailLength) {
- case 3:
- k1 ^= data[blockCounts * 4 + 2] << 16;
- case 2:
- k1 ^= data[blockCounts * 4 + 1] << 8;
- case 1:
- k1 ^= data[blockCounts * 4];
- k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
- k1 = k1 << 15 | k1 >>> 17;
- k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
- if (blockCounts & 1) {
- h1 ^= k1;
- } else {
- h2 ^= k1;
- }
- }
- this.h1 = h1;
- this.h2 = h2;
- return this;
- },
- hexdigest: function MurmurHash3_64_hexdigest() {
- var h1 = this.h1;
- var h2 = this.h2;
- h1 ^= h2 >>> 1;
- h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
- h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
- h1 ^= h2 >>> 1;
- h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
- h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
- h1 ^= h2 >>> 1;
- for (var i = 0, arr = [
- h1,
- h2
- ], str = ''; i < arr.length; i++) {
- var hex = (arr[i] >>> 0).toString(16);
- while (hex.length < 8) {
- hex = '0' + hex;
- }
- str += hex;
- }
- return str;
- }
- };
- return MurmurHash3_64;
- }();
- exports.MurmurHash3_64 = MurmurHash3_64;
- }));
- (function (root, factory) {
- factory(root.pdfjsCorePrimitives = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var isArray = sharedUtil.isArray;
- var Name = function NameClosure() {
- function Name(name) {
- this.name = name;
- }
- Name.prototype = {};
- var nameCache = Object.create(null);
- Name.get = function Name_get(name) {
- var nameValue = nameCache[name];
- return nameValue ? nameValue : nameCache[name] = new Name(name);
- };
- return Name;
- }();
- var Cmd = function CmdClosure() {
- function Cmd(cmd) {
- this.cmd = cmd;
- }
- Cmd.prototype = {};
- var cmdCache = Object.create(null);
- Cmd.get = function Cmd_get(cmd) {
- var cmdValue = cmdCache[cmd];
- return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd);
- };
- return Cmd;
- }();
- var Dict = function DictClosure() {
- var nonSerializable = function nonSerializableClosure() {
- return nonSerializable;
- };
- // creating closure on some variable
- // xref is optional
- function Dict(xref) {
- // Map should only be used internally, use functions below to access.
- this.map = Object.create(null);
- this.xref = xref;
- this.objId = null;
- this.suppressEncryption = false;
- this.__nonSerializable__ = nonSerializable;
- }
- // disable cloning of the Dict
- Dict.prototype = {
- assignXref: function Dict_assignXref(newXref) {
- this.xref = newXref;
- },
- // automatically dereferences Ref objects
- get: function Dict_get(key1, key2, key3) {
- var value;
- var xref = this.xref, suppressEncryption = this.suppressEncryption;
- if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || typeof key2 === 'undefined') {
- return xref ? xref.fetchIfRef(value, suppressEncryption) : value;
- }
- if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || typeof key3 === 'undefined') {
- return xref ? xref.fetchIfRef(value, suppressEncryption) : value;
- }
- value = this.map[key3] || null;
- return xref ? xref.fetchIfRef(value, suppressEncryption) : value;
- },
- // Same as get(), but returns a promise and uses fetchIfRefAsync().
- getAsync: function Dict_getAsync(key1, key2, key3) {
- var value;
- var xref = this.xref, suppressEncryption = this.suppressEncryption;
- if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || typeof key2 === 'undefined') {
- if (xref) {
- return xref.fetchIfRefAsync(value, suppressEncryption);
- }
- return Promise.resolve(value);
- }
- if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || typeof key3 === 'undefined') {
- if (xref) {
- return xref.fetchIfRefAsync(value, suppressEncryption);
- }
- return Promise.resolve(value);
- }
- value = this.map[key3] || null;
- if (xref) {
- return xref.fetchIfRefAsync(value, suppressEncryption);
- }
- return Promise.resolve(value);
- },
- // Same as get(), but dereferences all elements if the result is an Array.
- getArray: function Dict_getArray(key1, key2, key3) {
- var value = this.get(key1, key2, key3);
- var xref = this.xref, suppressEncryption = this.suppressEncryption;
- if (!isArray(value) || !xref) {
- return value;
- }
- value = value.slice();
- // Ensure that we don't modify the Dict data.
- for (var i = 0, ii = value.length; i < ii; i++) {
- if (!isRef(value[i])) {
- continue;
- }
- value[i] = xref.fetch(value[i], suppressEncryption);
- }
- return value;
- },
- // no dereferencing
- getRaw: function Dict_getRaw(key) {
- return this.map[key];
- },
- getKeys: function Dict_getKeys() {
- return Object.keys(this.map);
- },
- set: function Dict_set(key, value) {
- this.map[key] = value;
- },
- has: function Dict_has(key) {
- return key in this.map;
- },
- forEach: function Dict_forEach(callback) {
- for (var key in this.map) {
- callback(key, this.get(key));
- }
- }
- };
- Dict.empty = new Dict(null);
- Dict.merge = function Dict_merge(xref, dictArray) {
- var mergedDict = new Dict(xref);
- for (var i = 0, ii = dictArray.length; i < ii; i++) {
- var dict = dictArray[i];
- if (!isDict(dict)) {
- continue;
- }
- for (var keyName in dict.map) {
- if (mergedDict.map[keyName]) {
- continue;
- }
- mergedDict.map[keyName] = dict.map[keyName];
- }
- }
- return mergedDict;
- };
- return Dict;
- }();
- var Ref = function RefClosure() {
- function Ref(num, gen) {
- this.num = num;
- this.gen = gen;
- }
- Ref.prototype = {
- toString: function Ref_toString() {
- // This function is hot, so we make the string as compact as possible.
- // |this.gen| is almost always zero, so we treat that case specially.
- var str = this.num + 'R';
- if (this.gen !== 0) {
- str += this.gen;
- }
- return str;
- }
- };
- return Ref;
- }();
- // The reference is identified by number and generation.
- // This structure stores only one instance of the reference.
- var RefSet = function RefSetClosure() {
- function RefSet() {
- this.dict = Object.create(null);
- }
- RefSet.prototype = {
- has: function RefSet_has(ref) {
- return ref.toString() in this.dict;
- },
- put: function RefSet_put(ref) {
- this.dict[ref.toString()] = true;
- },
- remove: function RefSet_remove(ref) {
- delete this.dict[ref.toString()];
- }
- };
- return RefSet;
- }();
- var RefSetCache = function RefSetCacheClosure() {
- function RefSetCache() {
- this.dict = Object.create(null);
- }
- RefSetCache.prototype = {
- get: function RefSetCache_get(ref) {
- return this.dict[ref.toString()];
- },
- has: function RefSetCache_has(ref) {
- return ref.toString() in this.dict;
- },
- put: function RefSetCache_put(ref, obj) {
- this.dict[ref.toString()] = obj;
- },
- putAlias: function RefSetCache_putAlias(ref, aliasRef) {
- this.dict[ref.toString()] = this.get(aliasRef);
- },
- forEach: function RefSetCache_forEach(fn, thisArg) {
- for (var i in this.dict) {
- fn.call(thisArg, this.dict[i]);
- }
- },
- clear: function RefSetCache_clear() {
- this.dict = Object.create(null);
- }
- };
- return RefSetCache;
- }();
- function isName(v, name) {
- return v instanceof Name && (name === undefined || v.name === name);
- }
- function isCmd(v, cmd) {
- return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
- }
- function isDict(v, type) {
- return v instanceof Dict && (type === undefined || isName(v.get('Type'), type));
- }
- function isRef(v) {
- return v instanceof Ref;
- }
- function isRefsEqual(v1, v2) {
- return v1.num === v2.num && v1.gen === v2.gen;
- }
- function isStream(v) {
- return typeof v === 'object' && v !== null && v.getBytes !== undefined;
- }
- exports.Cmd = Cmd;
- exports.Dict = Dict;
- exports.Name = Name;
- exports.Ref = Ref;
- exports.RefSet = RefSet;
- exports.RefSetCache = RefSetCache;
- exports.isCmd = isCmd;
- exports.isDict = isDict;
- exports.isName = isName;
- exports.isRef = isRef;
- exports.isRefsEqual = isRefsEqual;
- exports.isStream = isStream;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreStandardFonts = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var getLookupTableFactory = sharedUtil.getLookupTableFactory;
- /**
- * Hold a map of decoded fonts and of the standard fourteen Type1
- * fonts and their acronyms.
- */
- var getStdFontMap = getLookupTableFactory(function (t) {
- t['ArialNarrow'] = 'Helvetica';
- t['ArialNarrow-Bold'] = 'Helvetica-Bold';
- t['ArialNarrow-BoldItalic'] = 'Helvetica-BoldOblique';
- t['ArialNarrow-Italic'] = 'Helvetica-Oblique';
- t['ArialBlack'] = 'Helvetica';
- t['ArialBlack-Bold'] = 'Helvetica-Bold';
- t['ArialBlack-BoldItalic'] = 'Helvetica-BoldOblique';
- t['ArialBlack-Italic'] = 'Helvetica-Oblique';
- t['Arial'] = 'Helvetica';
- t['Arial-Bold'] = 'Helvetica-Bold';
- t['Arial-BoldItalic'] = 'Helvetica-BoldOblique';
- t['Arial-Italic'] = 'Helvetica-Oblique';
- t['Arial-BoldItalicMT'] = 'Helvetica-BoldOblique';
- t['Arial-BoldMT'] = 'Helvetica-Bold';
- t['Arial-ItalicMT'] = 'Helvetica-Oblique';
- t['ArialMT'] = 'Helvetica';
- t['Courier-Bold'] = 'Courier-Bold';
- t['Courier-BoldItalic'] = 'Courier-BoldOblique';
- t['Courier-Italic'] = 'Courier-Oblique';
- t['CourierNew'] = 'Courier';
- t['CourierNew-Bold'] = 'Courier-Bold';
- t['CourierNew-BoldItalic'] = 'Courier-BoldOblique';
- t['CourierNew-Italic'] = 'Courier-Oblique';
- t['CourierNewPS-BoldItalicMT'] = 'Courier-BoldOblique';
- t['CourierNewPS-BoldMT'] = 'Courier-Bold';
- t['CourierNewPS-ItalicMT'] = 'Courier-Oblique';
- t['CourierNewPSMT'] = 'Courier';
- t['Helvetica'] = 'Helvetica';
- t['Helvetica-Bold'] = 'Helvetica-Bold';
- t['Helvetica-BoldItalic'] = 'Helvetica-BoldOblique';
- t['Helvetica-BoldOblique'] = 'Helvetica-BoldOblique';
- t['Helvetica-Italic'] = 'Helvetica-Oblique';
- t['Helvetica-Oblique'] = 'Helvetica-Oblique';
- t['Symbol-Bold'] = 'Symbol';
- t['Symbol-BoldItalic'] = 'Symbol';
- t['Symbol-Italic'] = 'Symbol';
- t['TimesNewRoman'] = 'Times-Roman';
- t['TimesNewRoman-Bold'] = 'Times-Bold';
- t['TimesNewRoman-BoldItalic'] = 'Times-BoldItalic';
- t['TimesNewRoman-Italic'] = 'Times-Italic';
- t['TimesNewRomanPS'] = 'Times-Roman';
- t['TimesNewRomanPS-Bold'] = 'Times-Bold';
- t['TimesNewRomanPS-BoldItalic'] = 'Times-BoldItalic';
- t['TimesNewRomanPS-BoldItalicMT'] = 'Times-BoldItalic';
- t['TimesNewRomanPS-BoldMT'] = 'Times-Bold';
- t['TimesNewRomanPS-Italic'] = 'Times-Italic';
- t['TimesNewRomanPS-ItalicMT'] = 'Times-Italic';
- t['TimesNewRomanPSMT'] = 'Times-Roman';
- t['TimesNewRomanPSMT-Bold'] = 'Times-Bold';
- t['TimesNewRomanPSMT-BoldItalic'] = 'Times-BoldItalic';
- t['TimesNewRomanPSMT-Italic'] = 'Times-Italic';
- });
- /**
- * Holds the map of the non-standard fonts that might be included as
- * a standard fonts without glyph data.
- */
- var getNonStdFontMap = getLookupTableFactory(function (t) {
- t['CenturyGothic'] = 'Helvetica';
- t['CenturyGothic-Bold'] = 'Helvetica-Bold';
- t['CenturyGothic-BoldItalic'] = 'Helvetica-BoldOblique';
- t['CenturyGothic-Italic'] = 'Helvetica-Oblique';
- t['ComicSansMS'] = 'Comic Sans MS';
- t['ComicSansMS-Bold'] = 'Comic Sans MS-Bold';
- t['ComicSansMS-BoldItalic'] = 'Comic Sans MS-BoldItalic';
- t['ComicSansMS-Italic'] = 'Comic Sans MS-Italic';
- t['LucidaConsole'] = 'Courier';
- t['LucidaConsole-Bold'] = 'Courier-Bold';
- t['LucidaConsole-BoldItalic'] = 'Courier-BoldOblique';
- t['LucidaConsole-Italic'] = 'Courier-Oblique';
- t['MS-Gothic'] = 'MS Gothic';
- t['MS-Gothic-Bold'] = 'MS Gothic-Bold';
- t['MS-Gothic-BoldItalic'] = 'MS Gothic-BoldItalic';
- t['MS-Gothic-Italic'] = 'MS Gothic-Italic';
- t['MS-Mincho'] = 'MS Mincho';
- t['MS-Mincho-Bold'] = 'MS Mincho-Bold';
- t['MS-Mincho-BoldItalic'] = 'MS Mincho-BoldItalic';
- t['MS-Mincho-Italic'] = 'MS Mincho-Italic';
- t['MS-PGothic'] = 'MS PGothic';
- t['MS-PGothic-Bold'] = 'MS PGothic-Bold';
- t['MS-PGothic-BoldItalic'] = 'MS PGothic-BoldItalic';
- t['MS-PGothic-Italic'] = 'MS PGothic-Italic';
- t['MS-PMincho'] = 'MS PMincho';
- t['MS-PMincho-Bold'] = 'MS PMincho-Bold';
- t['MS-PMincho-BoldItalic'] = 'MS PMincho-BoldItalic';
- t['MS-PMincho-Italic'] = 'MS PMincho-Italic';
- t['Wingdings'] = 'ZapfDingbats';
- });
- var getSerifFonts = getLookupTableFactory(function (t) {
- t['Adobe Jenson'] = true;
- t['Adobe Text'] = true;
- t['Albertus'] = true;
- t['Aldus'] = true;
- t['Alexandria'] = true;
- t['Algerian'] = true;
- t['American Typewriter'] = true;
- t['Antiqua'] = true;
- t['Apex'] = true;
- t['Arno'] = true;
- t['Aster'] = true;
- t['Aurora'] = true;
- t['Baskerville'] = true;
- t['Bell'] = true;
- t['Bembo'] = true;
- t['Bembo Schoolbook'] = true;
- t['Benguiat'] = true;
- t['Berkeley Old Style'] = true;
- t['Bernhard Modern'] = true;
- t['Berthold City'] = true;
- t['Bodoni'] = true;
- t['Bauer Bodoni'] = true;
- t['Book Antiqua'] = true;
- t['Bookman'] = true;
- t['Bordeaux Roman'] = true;
- t['Californian FB'] = true;
- t['Calisto'] = true;
- t['Calvert'] = true;
- t['Capitals'] = true;
- t['Cambria'] = true;
- t['Cartier'] = true;
- t['Caslon'] = true;
- t['Catull'] = true;
- t['Centaur'] = true;
- t['Century Old Style'] = true;
- t['Century Schoolbook'] = true;
- t['Chaparral'] = true;
- t['Charis SIL'] = true;
- t['Cheltenham'] = true;
- t['Cholla Slab'] = true;
- t['Clarendon'] = true;
- t['Clearface'] = true;
- t['Cochin'] = true;
- t['Colonna'] = true;
- t['Computer Modern'] = true;
- t['Concrete Roman'] = true;
- t['Constantia'] = true;
- t['Cooper Black'] = true;
- t['Corona'] = true;
- t['Ecotype'] = true;
- t['Egyptienne'] = true;
- t['Elephant'] = true;
- t['Excelsior'] = true;
- t['Fairfield'] = true;
- t['FF Scala'] = true;
- t['Folkard'] = true;
- t['Footlight'] = true;
- t['FreeSerif'] = true;
- t['Friz Quadrata'] = true;
- t['Garamond'] = true;
- t['Gentium'] = true;
- t['Georgia'] = true;
- t['Gloucester'] = true;
- t['Goudy Old Style'] = true;
- t['Goudy Schoolbook'] = true;
- t['Goudy Pro Font'] = true;
- t['Granjon'] = true;
- t['Guardian Egyptian'] = true;
- t['Heather'] = true;
- t['Hercules'] = true;
- t['High Tower Text'] = true;
- t['Hiroshige'] = true;
- t['Hoefler Text'] = true;
- t['Humana Serif'] = true;
- t['Imprint'] = true;
- t['Ionic No. 5'] = true;
- t['Janson'] = true;
- t['Joanna'] = true;
- t['Korinna'] = true;
- t['Lexicon'] = true;
- t['Liberation Serif'] = true;
- t['Linux Libertine'] = true;
- t['Literaturnaya'] = true;
- t['Lucida'] = true;
- t['Lucida Bright'] = true;
- t['Melior'] = true;
- t['Memphis'] = true;
- t['Miller'] = true;
- t['Minion'] = true;
- t['Modern'] = true;
- t['Mona Lisa'] = true;
- t['Mrs Eaves'] = true;
- t['MS Serif'] = true;
- t['Museo Slab'] = true;
- t['New York'] = true;
- t['Nimbus Roman'] = true;
- t['NPS Rawlinson Roadway'] = true;
- t['Palatino'] = true;
- t['Perpetua'] = true;
- t['Plantin'] = true;
- t['Plantin Schoolbook'] = true;
- t['Playbill'] = true;
- t['Poor Richard'] = true;
- t['Rawlinson Roadway'] = true;
- t['Renault'] = true;
- t['Requiem'] = true;
- t['Rockwell'] = true;
- t['Roman'] = true;
- t['Rotis Serif'] = true;
- t['Sabon'] = true;
- t['Scala'] = true;
- t['Seagull'] = true;
- t['Sistina'] = true;
- t['Souvenir'] = true;
- t['STIX'] = true;
- t['Stone Informal'] = true;
- t['Stone Serif'] = true;
- t['Sylfaen'] = true;
- t['Times'] = true;
- t['Trajan'] = true;
- t['Trinité'] = true;
- t['Trump Mediaeval'] = true;
- t['Utopia'] = true;
- t['Vale Type'] = true;
- t['Bitstream Vera'] = true;
- t['Vera Serif'] = true;
- t['Versailles'] = true;
- t['Wanted'] = true;
- t['Weiss'] = true;
- t['Wide Latin'] = true;
- t['Windsor'] = true;
- t['XITS'] = true;
- });
- var getSymbolsFonts = getLookupTableFactory(function (t) {
- t['Dingbats'] = true;
- t['Symbol'] = true;
- t['ZapfDingbats'] = true;
- });
- // Glyph map for well-known standard fonts. Sometimes Ghostscript uses CID
- // fonts, but does not embed the CID to GID mapping. The mapping is incomplete
- // for all glyphs, but common for some set of the standard fonts.
- var getGlyphMapForStandardFonts = getLookupTableFactory(function (t) {
- t[2] = 10;
- t[3] = 32;
- t[4] = 33;
- t[5] = 34;
- t[6] = 35;
- t[7] = 36;
- t[8] = 37;
- t[9] = 38;
- t[10] = 39;
- t[11] = 40;
- t[12] = 41;
- t[13] = 42;
- t[14] = 43;
- t[15] = 44;
- t[16] = 45;
- t[17] = 46;
- t[18] = 47;
- t[19] = 48;
- t[20] = 49;
- t[21] = 50;
- t[22] = 51;
- t[23] = 52;
- t[24] = 53;
- t[25] = 54;
- t[26] = 55;
- t[27] = 56;
- t[28] = 57;
- t[29] = 58;
- t[30] = 894;
- t[31] = 60;
- t[32] = 61;
- t[33] = 62;
- t[34] = 63;
- t[35] = 64;
- t[36] = 65;
- t[37] = 66;
- t[38] = 67;
- t[39] = 68;
- t[40] = 69;
- t[41] = 70;
- t[42] = 71;
- t[43] = 72;
- t[44] = 73;
- t[45] = 74;
- t[46] = 75;
- t[47] = 76;
- t[48] = 77;
- t[49] = 78;
- t[50] = 79;
- t[51] = 80;
- t[52] = 81;
- t[53] = 82;
- t[54] = 83;
- t[55] = 84;
- t[56] = 85;
- t[57] = 86;
- t[58] = 87;
- t[59] = 88;
- t[60] = 89;
- t[61] = 90;
- t[62] = 91;
- t[63] = 92;
- t[64] = 93;
- t[65] = 94;
- t[66] = 95;
- t[67] = 96;
- t[68] = 97;
- t[69] = 98;
- t[70] = 99;
- t[71] = 100;
- t[72] = 101;
- t[73] = 102;
- t[74] = 103;
- t[75] = 104;
- t[76] = 105;
- t[77] = 106;
- t[78] = 107;
- t[79] = 108;
- t[80] = 109;
- t[81] = 110;
- t[82] = 111;
- t[83] = 112;
- t[84] = 113;
- t[85] = 114;
- t[86] = 115;
- t[87] = 116;
- t[88] = 117;
- t[89] = 118;
- t[90] = 119;
- t[91] = 120;
- t[92] = 121;
- t[93] = 122;
- t[94] = 123;
- t[95] = 124;
- t[96] = 125;
- t[97] = 126;
- t[98] = 196;
- t[99] = 197;
- t[100] = 199;
- t[101] = 201;
- t[102] = 209;
- t[103] = 214;
- t[104] = 220;
- t[105] = 225;
- t[106] = 224;
- t[107] = 226;
- t[108] = 228;
- t[109] = 227;
- t[110] = 229;
- t[111] = 231;
- t[112] = 233;
- t[113] = 232;
- t[114] = 234;
- t[115] = 235;
- t[116] = 237;
- t[117] = 236;
- t[118] = 238;
- t[119] = 239;
- t[120] = 241;
- t[121] = 243;
- t[122] = 242;
- t[123] = 244;
- t[124] = 246;
- t[125] = 245;
- t[126] = 250;
- t[127] = 249;
- t[128] = 251;
- t[129] = 252;
- t[130] = 8224;
- t[131] = 176;
- t[132] = 162;
- t[133] = 163;
- t[134] = 167;
- t[135] = 8226;
- t[136] = 182;
- t[137] = 223;
- t[138] = 174;
- t[139] = 169;
- t[140] = 8482;
- t[141] = 180;
- t[142] = 168;
- t[143] = 8800;
- t[144] = 198;
- t[145] = 216;
- t[146] = 8734;
- t[147] = 177;
- t[148] = 8804;
- t[149] = 8805;
- t[150] = 165;
- t[151] = 181;
- t[152] = 8706;
- t[153] = 8721;
- t[154] = 8719;
- t[156] = 8747;
- t[157] = 170;
- t[158] = 186;
- t[159] = 8486;
- t[160] = 230;
- t[161] = 248;
- t[162] = 191;
- t[163] = 161;
- t[164] = 172;
- t[165] = 8730;
- t[166] = 402;
- t[167] = 8776;
- t[168] = 8710;
- t[169] = 171;
- t[170] = 187;
- t[171] = 8230;
- t[210] = 218;
- t[223] = 711;
- t[224] = 321;
- t[225] = 322;
- t[227] = 353;
- t[229] = 382;
- t[234] = 253;
- t[252] = 263;
- t[253] = 268;
- t[254] = 269;
- t[258] = 258;
- t[260] = 260;
- t[261] = 261;
- t[265] = 280;
- t[266] = 281;
- t[268] = 283;
- t[269] = 313;
- t[275] = 323;
- t[276] = 324;
- t[278] = 328;
- t[284] = 345;
- t[285] = 346;
- t[286] = 347;
- t[292] = 367;
- t[295] = 377;
- t[296] = 378;
- t[298] = 380;
- t[305] = 963;
- t[306] = 964;
- t[307] = 966;
- t[308] = 8215;
- t[309] = 8252;
- t[310] = 8319;
- t[311] = 8359;
- t[312] = 8592;
- t[313] = 8593;
- t[337] = 9552;
- t[493] = 1039;
- t[494] = 1040;
- t[705] = 1524;
- t[706] = 8362;
- t[710] = 64288;
- t[711] = 64298;
- t[759] = 1617;
- t[761] = 1776;
- t[763] = 1778;
- t[775] = 1652;
- t[777] = 1764;
- t[778] = 1780;
- t[779] = 1781;
- t[780] = 1782;
- t[782] = 771;
- t[783] = 64726;
- t[786] = 8363;
- t[788] = 8532;
- t[790] = 768;
- t[791] = 769;
- t[792] = 768;
- t[795] = 803;
- t[797] = 64336;
- t[798] = 64337;
- t[799] = 64342;
- t[800] = 64343;
- t[801] = 64344;
- t[802] = 64345;
- t[803] = 64362;
- t[804] = 64363;
- t[805] = 64364;
- t[2424] = 7821;
- t[2425] = 7822;
- t[2426] = 7823;
- t[2427] = 7824;
- t[2428] = 7825;
- t[2429] = 7826;
- t[2430] = 7827;
- t[2433] = 7682;
- t[2678] = 8045;
- t[2679] = 8046;
- t[2830] = 1552;
- t[2838] = 686;
- t[2840] = 751;
- t[2842] = 753;
- t[2843] = 754;
- t[2844] = 755;
- t[2846] = 757;
- t[2856] = 767;
- t[2857] = 848;
- t[2858] = 849;
- t[2862] = 853;
- t[2863] = 854;
- t[2864] = 855;
- t[2865] = 861;
- t[2866] = 862;
- t[2906] = 7460;
- t[2908] = 7462;
- t[2909] = 7463;
- t[2910] = 7464;
- t[2912] = 7466;
- t[2913] = 7467;
- t[2914] = 7468;
- t[2916] = 7470;
- t[2917] = 7471;
- t[2918] = 7472;
- t[2920] = 7474;
- t[2921] = 7475;
- t[2922] = 7476;
- t[2924] = 7478;
- t[2925] = 7479;
- t[2926] = 7480;
- t[2928] = 7482;
- t[2929] = 7483;
- t[2930] = 7484;
- t[2932] = 7486;
- t[2933] = 7487;
- t[2934] = 7488;
- t[2936] = 7490;
- t[2937] = 7491;
- t[2938] = 7492;
- t[2940] = 7494;
- t[2941] = 7495;
- t[2942] = 7496;
- t[2944] = 7498;
- t[2946] = 7500;
- t[2948] = 7502;
- t[2950] = 7504;
- t[2951] = 7505;
- t[2952] = 7506;
- t[2954] = 7508;
- t[2955] = 7509;
- t[2956] = 7510;
- t[2958] = 7512;
- t[2959] = 7513;
- t[2960] = 7514;
- t[2962] = 7516;
- t[2963] = 7517;
- t[2964] = 7518;
- t[2966] = 7520;
- t[2967] = 7521;
- t[2968] = 7522;
- t[2970] = 7524;
- t[2971] = 7525;
- t[2972] = 7526;
- t[2974] = 7528;
- t[2975] = 7529;
- t[2976] = 7530;
- t[2978] = 1537;
- t[2979] = 1538;
- t[2980] = 1539;
- t[2982] = 1549;
- t[2983] = 1551;
- t[2984] = 1552;
- t[2986] = 1554;
- t[2987] = 1555;
- t[2988] = 1556;
- t[2990] = 1623;
- t[2991] = 1624;
- t[2995] = 1775;
- t[2999] = 1791;
- t[3002] = 64290;
- t[3003] = 64291;
- t[3004] = 64292;
- t[3006] = 64294;
- t[3007] = 64295;
- t[3008] = 64296;
- t[3011] = 1900;
- t[3014] = 8223;
- t[3015] = 8244;
- t[3017] = 7532;
- t[3018] = 7533;
- t[3019] = 7534;
- t[3075] = 7590;
- t[3076] = 7591;
- t[3079] = 7594;
- t[3080] = 7595;
- t[3083] = 7598;
- t[3084] = 7599;
- t[3087] = 7602;
- t[3088] = 7603;
- t[3091] = 7606;
- t[3092] = 7607;
- t[3095] = 7610;
- t[3096] = 7611;
- t[3099] = 7614;
- t[3100] = 7615;
- t[3103] = 7618;
- t[3104] = 7619;
- t[3107] = 8337;
- t[3108] = 8338;
- t[3116] = 1884;
- t[3119] = 1885;
- t[3120] = 1885;
- t[3123] = 1886;
- t[3124] = 1886;
- t[3127] = 1887;
- t[3128] = 1887;
- t[3131] = 1888;
- t[3132] = 1888;
- t[3135] = 1889;
- t[3136] = 1889;
- t[3139] = 1890;
- t[3140] = 1890;
- t[3143] = 1891;
- t[3144] = 1891;
- t[3147] = 1892;
- t[3148] = 1892;
- t[3153] = 580;
- t[3154] = 581;
- t[3157] = 584;
- t[3158] = 585;
- t[3161] = 588;
- t[3162] = 589;
- t[3165] = 891;
- t[3166] = 892;
- t[3169] = 1274;
- t[3170] = 1275;
- t[3173] = 1278;
- t[3174] = 1279;
- t[3181] = 7622;
- t[3182] = 7623;
- t[3282] = 11799;
- t[3316] = 578;
- t[3379] = 42785;
- t[3393] = 1159;
- t[3416] = 8377;
- });
- // The glyph map for ArialBlack differs slightly from the glyph map used for
- // other well-known standard fonts. Hence we use this (incomplete) CID to GID
- // mapping to adjust the glyph map for non-embedded ArialBlack fonts.
- var getSupplementalGlyphMapForArialBlack = getLookupTableFactory(function (t) {
- t[227] = 322;
- t[264] = 261;
- t[291] = 346;
- });
- exports.getStdFontMap = getStdFontMap;
- exports.getNonStdFontMap = getNonStdFontMap;
- exports.getSerifFonts = getSerifFonts;
- exports.getSymbolsFonts = getSymbolsFonts;
- exports.getGlyphMapForStandardFonts = getGlyphMapForStandardFonts;
- exports.getSupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreUnicode = {}, root.pdfjsSharedUtil);
- }(this, function (exports, sharedUtil) {
- var getLookupTableFactory = sharedUtil.getLookupTableFactory;
- // Some characters, e.g. copyrightserif, are mapped to the private use area
- // and might not be displayed using standard fonts. Mapping/hacking well-known
- // chars to the similar equivalents in the normal characters range.
- var getSpecialPUASymbols = getLookupTableFactory(function (t) {
- t[63721] = 0x00A9;
- // copyrightsans (0xF8E9) => copyright
- t[63193] = 0x00A9;
- // copyrightserif (0xF6D9) => copyright
- t[63720] = 0x00AE;
- // registersans (0xF8E8) => registered
- t[63194] = 0x00AE;
- // registerserif (0xF6DA) => registered
- t[63722] = 0x2122;
- // trademarksans (0xF8EA) => trademark
- t[63195] = 0x2122;
- // trademarkserif (0xF6DB) => trademark
- t[63729] = 0x23A7;
- // bracelefttp (0xF8F1)
- t[63730] = 0x23A8;
- // braceleftmid (0xF8F2)
- t[63731] = 0x23A9;
- // braceleftbt (0xF8F3)
- t[63740] = 0x23AB;
- // bracerighttp (0xF8FC)
- t[63741] = 0x23AC;
- // bracerightmid (0xF8FD)
- t[63742] = 0x23AD;
- // bracerightbt (0xF8FE)
- t[63726] = 0x23A1;
- // bracketlefttp (0xF8EE)
- t[63727] = 0x23A2;
- // bracketleftex (0xF8EF)
- t[63728] = 0x23A3;
- // bracketleftbt (0xF8F0)
- t[63737] = 0x23A4;
- // bracketrighttp (0xF8F9)
- t[63738] = 0x23A5;
- // bracketrightex (0xF8FA)
- t[63739] = 0x23A6;
- // bracketrightbt (0xF8FB)
- t[63723] = 0x239B;
- // parenlefttp (0xF8EB)
- t[63724] = 0x239C;
- // parenleftex (0xF8EC)
- t[63725] = 0x239D;
- // parenleftbt (0xF8ED)
- t[63734] = 0x239E;
- // parenrighttp (0xF8F6)
- t[63735] = 0x239F;
- // parenrightex (0xF8F7)
- t[63736] = 0x23A0;
- });
- // parenrightbt (0xF8F8)
- function mapSpecialUnicodeValues(code) {
- if (code >= 0xFFF0 && code <= 0xFFFF) {
- // Specials unicode block.
- return 0;
- } else if (code >= 0xF600 && code <= 0xF8FF) {
- return getSpecialPUASymbols()[code] || code;
- }
- return code;
- }
- function getUnicodeForGlyph(name, glyphsUnicodeMap) {
- var unicode = glyphsUnicodeMap[name];
- if (unicode !== undefined) {
- return unicode;
- }
- if (!name) {
- return -1;
- }
- // Try to recover valid Unicode values from 'uniXXXX'/'uXXXX{XX}' glyphs.
- if (name[0] === 'u') {
- var nameLen = name.length, hexStr;
- if (nameLen === 7 && name[1] === 'n' && name[2] === 'i') {
- // 'uniXXXX'
- hexStr = name.substr(3);
- } else if (nameLen >= 5 && nameLen <= 7) {
- // 'uXXXX{XX}'
- hexStr = name.substr(1);
- } else {
- return -1;
- }
- // Check for upper-case hexadecimal characters, to avoid false positives.
- if (hexStr === hexStr.toUpperCase()) {
- unicode = parseInt(hexStr, 16);
- if (unicode >= 0) {
- return unicode;
- }
- }
- }
- return -1;
- }
- var UnicodeRanges = [
- {
- 'begin': 0x0000,
- 'end': 0x007F
- },
- // Basic Latin
- {
- 'begin': 0x0080,
- 'end': 0x00FF
- },
- // Latin-1 Supplement
- {
- 'begin': 0x0100,
- 'end': 0x017F
- },
- // Latin Extended-A
- {
- 'begin': 0x0180,
- 'end': 0x024F
- },
- // Latin Extended-B
- {
- 'begin': 0x0250,
- 'end': 0x02AF
- },
- // IPA Extensions
- {
- 'begin': 0x02B0,
- 'end': 0x02FF
- },
- // Spacing Modifier Letters
- {
- 'begin': 0x0300,
- 'end': 0x036F
- },
- // Combining Diacritical Marks
- {
- 'begin': 0x0370,
- 'end': 0x03FF
- },
- // Greek and Coptic
- {
- 'begin': 0x2C80,
- 'end': 0x2CFF
- },
- // Coptic
- {
- 'begin': 0x0400,
- 'end': 0x04FF
- },
- // Cyrillic
- {
- 'begin': 0x0530,
- 'end': 0x058F
- },
- // Armenian
- {
- 'begin': 0x0590,
- 'end': 0x05FF
- },
- // Hebrew
- {
- 'begin': 0xA500,
- 'end': 0xA63F
- },
- // Vai
- {
- 'begin': 0x0600,
- 'end': 0x06FF
- },
- // Arabic
- {
- 'begin': 0x07C0,
- 'end': 0x07FF
- },
- // NKo
- {
- 'begin': 0x0900,
- 'end': 0x097F
- },
- // Devanagari
- {
- 'begin': 0x0980,
- 'end': 0x09FF
- },
- // Bengali
- {
- 'begin': 0x0A00,
- 'end': 0x0A7F
- },
- // Gurmukhi
- {
- 'begin': 0x0A80,
- 'end': 0x0AFF
- },
- // Gujarati
- {
- 'begin': 0x0B00,
- 'end': 0x0B7F
- },
- // Oriya
- {
- 'begin': 0x0B80,
- 'end': 0x0BFF
- },
- // Tamil
- {
- 'begin': 0x0C00,
- 'end': 0x0C7F
- },
- // Telugu
- {
- 'begin': 0x0C80,
- 'end': 0x0CFF
- },
- // Kannada
- {
- 'begin': 0x0D00,
- 'end': 0x0D7F
- },
- // Malayalam
- {
- 'begin': 0x0E00,
- 'end': 0x0E7F
- },
- // Thai
- {
- 'begin': 0x0E80,
- 'end': 0x0EFF
- },
- // Lao
- {
- 'begin': 0x10A0,
- 'end': 0x10FF
- },
- // Georgian
- {
- 'begin': 0x1B00,
- 'end': 0x1B7F
- },
- // Balinese
- {
- 'begin': 0x1100,
- 'end': 0x11FF
- },
- // Hangul Jamo
- {
- 'begin': 0x1E00,
- 'end': 0x1EFF
- },
- // Latin Extended Additional
- {
- 'begin': 0x1F00,
- 'end': 0x1FFF
- },
- // Greek Extended
- {
- 'begin': 0x2000,
- 'end': 0x206F
- },
- // General Punctuation
- {
- 'begin': 0x2070,
- 'end': 0x209F
- },
- // Superscripts And Subscripts
- {
- 'begin': 0x20A0,
- 'end': 0x20CF
- },
- // Currency Symbol
- {
- 'begin': 0x20D0,
- 'end': 0x20FF
- },
- // Combining Diacritical Marks
- {
- 'begin': 0x2100,
- 'end': 0x214F
- },
- // Letterlike Symbols
- {
- 'begin': 0x2150,
- 'end': 0x218F
- },
- // Number Forms
- {
- 'begin': 0x2190,
- 'end': 0x21FF
- },
- // Arrows
- {
- 'begin': 0x2200,
- 'end': 0x22FF
- },
- // Mathematical Operators
- {
- 'begin': 0x2300,
- 'end': 0x23FF
- },
- // Miscellaneous Technical
- {
- 'begin': 0x2400,
- 'end': 0x243F
- },
- // Control Pictures
- {
- 'begin': 0x2440,
- 'end': 0x245F
- },
- // Optical Character Recognition
- {
- 'begin': 0x2460,
- 'end': 0x24FF
- },
- // Enclosed Alphanumerics
- {
- 'begin': 0x2500,
- 'end': 0x257F
- },
- // Box Drawing
- {
- 'begin': 0x2580,
- 'end': 0x259F
- },
- // Block Elements
- {
- 'begin': 0x25A0,
- 'end': 0x25FF
- },
- // Geometric Shapes
- {
- 'begin': 0x2600,
- 'end': 0x26FF
- },
- // Miscellaneous Symbols
- {
- 'begin': 0x2700,
- 'end': 0x27BF
- },
- // Dingbats
- {
- 'begin': 0x3000,
- 'end': 0x303F
- },
- // CJK Symbols And Punctuation
- {
- 'begin': 0x3040,
- 'end': 0x309F
- },
- // Hiragana
- {
- 'begin': 0x30A0,
- 'end': 0x30FF
- },
- // Katakana
- {
- 'begin': 0x3100,
- 'end': 0x312F
- },
- // Bopomofo
- {
- 'begin': 0x3130,
- 'end': 0x318F
- },
- // Hangul Compatibility Jamo
- {
- 'begin': 0xA840,
- 'end': 0xA87F
- },
- // Phags-pa
- {
- 'begin': 0x3200,
- 'end': 0x32FF
- },
- // Enclosed CJK Letters And Months
- {
- 'begin': 0x3300,
- 'end': 0x33FF
- },
- // CJK Compatibility
- {
- 'begin': 0xAC00,
- 'end': 0xD7AF
- },
- // Hangul Syllables
- {
- 'begin': 0xD800,
- 'end': 0xDFFF
- },
- // Non-Plane 0 *
- {
- 'begin': 0x10900,
- 'end': 0x1091F
- },
- // Phoenicia
- {
- 'begin': 0x4E00,
- 'end': 0x9FFF
- },
- // CJK Unified Ideographs
- {
- 'begin': 0xE000,
- 'end': 0xF8FF
- },
- // Private Use Area (plane 0)
- {
- 'begin': 0x31C0,
- 'end': 0x31EF
- },
- // CJK Strokes
- {
- 'begin': 0xFB00,
- 'end': 0xFB4F
- },
- // Alphabetic Presentation Forms
- {
- 'begin': 0xFB50,
- 'end': 0xFDFF
- },
- // Arabic Presentation Forms-A
- {
- 'begin': 0xFE20,
- 'end': 0xFE2F
- },
- // Combining Half Marks
- {
- 'begin': 0xFE10,
- 'end': 0xFE1F
- },
- // Vertical Forms
- {
- 'begin': 0xFE50,
- 'end': 0xFE6F
- },
- // Small Form Variants
- {
- 'begin': 0xFE70,
- 'end': 0xFEFF
- },
- // Arabic Presentation Forms-B
- {
- 'begin': 0xFF00,
- 'end': 0xFFEF
- },
- // Halfwidth And Fullwidth Forms
- {
- 'begin': 0xFFF0,
- 'end': 0xFFFF
- },
- // Specials
- {
- 'begin': 0x0F00,
- 'end': 0x0FFF
- },
- // Tibetan
- {
- 'begin': 0x0700,
- 'end': 0x074F
- },
- // Syriac
- {
- 'begin': 0x0780,
- 'end': 0x07BF
- },
- // Thaana
- {
- 'begin': 0x0D80,
- 'end': 0x0DFF
- },
- // Sinhala
- {
- 'begin': 0x1000,
- 'end': 0x109F
- },
- // Myanmar
- {
- 'begin': 0x1200,
- 'end': 0x137F
- },
- // Ethiopic
- {
- 'begin': 0x13A0,
- 'end': 0x13FF
- },
- // Cherokee
- {
- 'begin': 0x1400,
- 'end': 0x167F
- },
- // Unified Canadian Aboriginal Syllabics
- {
- 'begin': 0x1680,
- 'end': 0x169F
- },
- // Ogham
- {
- 'begin': 0x16A0,
- 'end': 0x16FF
- },
- // Runic
- {
- 'begin': 0x1780,
- 'end': 0x17FF
- },
- // Khmer
- {
- 'begin': 0x1800,
- 'end': 0x18AF
- },
- // Mongolian
- {
- 'begin': 0x2800,
- 'end': 0x28FF
- },
- // Braille Patterns
- {
- 'begin': 0xA000,
- 'end': 0xA48F
- },
- // Yi Syllables
- {
- 'begin': 0x1700,
- 'end': 0x171F
- },
- // Tagalog
- {
- 'begin': 0x10300,
- 'end': 0x1032F
- },
- // Old Italic
- {
- 'begin': 0x10330,
- 'end': 0x1034F
- },
- // Gothic
- {
- 'begin': 0x10400,
- 'end': 0x1044F
- },
- // Deseret
- {
- 'begin': 0x1D000,
- 'end': 0x1D0FF
- },
- // Byzantine Musical Symbols
- {
- 'begin': 0x1D400,
- 'end': 0x1D7FF
- },
- // Mathematical Alphanumeric Symbols
- {
- 'begin': 0xFF000,
- 'end': 0xFFFFD
- },
- // Private Use (plane 15)
- {
- 'begin': 0xFE00,
- 'end': 0xFE0F
- },
- // Variation Selectors
- {
- 'begin': 0xE0000,
- 'end': 0xE007F
- },
- // Tags
- {
- 'begin': 0x1900,
- 'end': 0x194F
- },
- // Limbu
- {
- 'begin': 0x1950,
- 'end': 0x197F
- },
- // Tai Le
- {
- 'begin': 0x1980,
- 'end': 0x19DF
- },
- // New Tai Lue
- {
- 'begin': 0x1A00,
- 'end': 0x1A1F
- },
- // Buginese
- {
- 'begin': 0x2C00,
- 'end': 0x2C5F
- },
- // Glagolitic
- {
- 'begin': 0x2D30,
- 'end': 0x2D7F
- },
- // Tifinagh
- {
- 'begin': 0x4DC0,
- 'end': 0x4DFF
- },
- // Yijing Hexagram Symbols
- {
- 'begin': 0xA800,
- 'end': 0xA82F
- },
- // Syloti Nagri
- {
- 'begin': 0x10000,
- 'end': 0x1007F
- },
- // Linear B Syllabary
- {
- 'begin': 0x10140,
- 'end': 0x1018F
- },
- // Ancient Greek Numbers
- {
- 'begin': 0x10380,
- 'end': 0x1039F
- },
- // Ugaritic
- {
- 'begin': 0x103A0,
- 'end': 0x103DF
- },
- // Old Persian
- {
- 'begin': 0x10450,
- 'end': 0x1047F
- },
- // Shavian
- {
- 'begin': 0x10480,
- 'end': 0x104AF
- },
- // Osmanya
- {
- 'begin': 0x10800,
- 'end': 0x1083F
- },
- // Cypriot Syllabary
- {
- 'begin': 0x10A00,
- 'end': 0x10A5F
- },
- // Kharoshthi
- {
- 'begin': 0x1D300,
- 'end': 0x1D35F
- },
- // Tai Xuan Jing Symbols
- {
- 'begin': 0x12000,
- 'end': 0x123FF
- },
- // Cuneiform
- {
- 'begin': 0x1D360,
- 'end': 0x1D37F
- },
- // Counting Rod Numerals
- {
- 'begin': 0x1B80,
- 'end': 0x1BBF
- },
- // Sundanese
- {
- 'begin': 0x1C00,
- 'end': 0x1C4F
- },
- // Lepcha
- {
- 'begin': 0x1C50,
- 'end': 0x1C7F
- },
- // Ol Chiki
- {
- 'begin': 0xA880,
- 'end': 0xA8DF
- },
- // Saurashtra
- {
- 'begin': 0xA900,
- 'end': 0xA92F
- },
- // Kayah Li
- {
- 'begin': 0xA930,
- 'end': 0xA95F
- },
- // Rejang
- {
- 'begin': 0xAA00,
- 'end': 0xAA5F
- },
- // Cham
- {
- 'begin': 0x10190,
- 'end': 0x101CF
- },
- // Ancient Symbols
- {
- 'begin': 0x101D0,
- 'end': 0x101FF
- },
- // Phaistos Disc
- {
- 'begin': 0x102A0,
- 'end': 0x102DF
- },
- // Carian
- {
- 'begin': 0x1F030,
- 'end': 0x1F09F
- }
- ];
- // Domino Tiles
- function getUnicodeRangeFor(value) {
- for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) {
- var range = UnicodeRanges[i];
- if (value >= range.begin && value < range.end) {
- return i;
- }
- }
- return -1;
- }
- function isRTLRangeFor(value) {
- var range = UnicodeRanges[13];
- if (value >= range.begin && value < range.end) {
- return true;
- }
- range = UnicodeRanges[11];
- if (value >= range.begin && value < range.end) {
- return true;
- }
- return false;
- }
- // The normalization table is obtained by filtering the Unicode characters
- // database with <compat> entries.
- var getNormalizedUnicodes = getLookupTableFactory(function (t) {
- t['\u00A8'] = '\u0020\u0308';
- t['\u00AF'] = '\u0020\u0304';
- t['\u00B4'] = '\u0020\u0301';
- t['\u00B5'] = '\u03BC';
- t['\u00B8'] = '\u0020\u0327';
- t['\u0132'] = '\u0049\u004A';
- t['\u0133'] = '\u0069\u006A';
- t['\u013F'] = '\u004C\u00B7';
- t['\u0140'] = '\u006C\u00B7';
- t['\u0149'] = '\u02BC\u006E';
- t['\u017F'] = '\u0073';
- t['\u01C4'] = '\u0044\u017D';
- t['\u01C5'] = '\u0044\u017E';
- t['\u01C6'] = '\u0064\u017E';
- t['\u01C7'] = '\u004C\u004A';
- t['\u01C8'] = '\u004C\u006A';
- t['\u01C9'] = '\u006C\u006A';
- t['\u01CA'] = '\u004E\u004A';
- t['\u01CB'] = '\u004E\u006A';
- t['\u01CC'] = '\u006E\u006A';
- t['\u01F1'] = '\u0044\u005A';
- t['\u01F2'] = '\u0044\u007A';
- t['\u01F3'] = '\u0064\u007A';
- t['\u02D8'] = '\u0020\u0306';
- t['\u02D9'] = '\u0020\u0307';
- t['\u02DA'] = '\u0020\u030A';
- t['\u02DB'] = '\u0020\u0328';
- t['\u02DC'] = '\u0020\u0303';
- t['\u02DD'] = '\u0020\u030B';
- t['\u037A'] = '\u0020\u0345';
- t['\u0384'] = '\u0020\u0301';
- t['\u03D0'] = '\u03B2';
- t['\u03D1'] = '\u03B8';
- t['\u03D2'] = '\u03A5';
- t['\u03D5'] = '\u03C6';
- t['\u03D6'] = '\u03C0';
- t['\u03F0'] = '\u03BA';
- t['\u03F1'] = '\u03C1';
- t['\u03F2'] = '\u03C2';
- t['\u03F4'] = '\u0398';
- t['\u03F5'] = '\u03B5';
- t['\u03F9'] = '\u03A3';
- t['\u0587'] = '\u0565\u0582';
- t['\u0675'] = '\u0627\u0674';
- t['\u0676'] = '\u0648\u0674';
- t['\u0677'] = '\u06C7\u0674';
- t['\u0678'] = '\u064A\u0674';
- t['\u0E33'] = '\u0E4D\u0E32';
- t['\u0EB3'] = '\u0ECD\u0EB2';
- t['\u0EDC'] = '\u0EAB\u0E99';
- t['\u0EDD'] = '\u0EAB\u0EA1';
- t['\u0F77'] = '\u0FB2\u0F81';
- t['\u0F79'] = '\u0FB3\u0F81';
- t['\u1E9A'] = '\u0061\u02BE';
- t['\u1FBD'] = '\u0020\u0313';
- t['\u1FBF'] = '\u0020\u0313';
- t['\u1FC0'] = '\u0020\u0342';
- t['\u1FFE'] = '\u0020\u0314';
- t['\u2002'] = '\u0020';
- t['\u2003'] = '\u0020';
- t['\u2004'] = '\u0020';
- t['\u2005'] = '\u0020';
- t['\u2006'] = '\u0020';
- t['\u2008'] = '\u0020';
- t['\u2009'] = '\u0020';
- t['\u200A'] = '\u0020';
- t['\u2017'] = '\u0020\u0333';
- t['\u2024'] = '\u002E';
- t['\u2025'] = '\u002E\u002E';
- t['\u2026'] = '\u002E\u002E\u002E';
- t['\u2033'] = '\u2032\u2032';
- t['\u2034'] = '\u2032\u2032\u2032';
- t['\u2036'] = '\u2035\u2035';
- t['\u2037'] = '\u2035\u2035\u2035';
- t['\u203C'] = '\u0021\u0021';
- t['\u203E'] = '\u0020\u0305';
- t['\u2047'] = '\u003F\u003F';
- t['\u2048'] = '\u003F\u0021';
- t['\u2049'] = '\u0021\u003F';
- t['\u2057'] = '\u2032\u2032\u2032\u2032';
- t['\u205F'] = '\u0020';
- t['\u20A8'] = '\u0052\u0073';
- t['\u2100'] = '\u0061\u002F\u0063';
- t['\u2101'] = '\u0061\u002F\u0073';
- t['\u2103'] = '\u00B0\u0043';
- t['\u2105'] = '\u0063\u002F\u006F';
- t['\u2106'] = '\u0063\u002F\u0075';
- t['\u2107'] = '\u0190';
- t['\u2109'] = '\u00B0\u0046';
- t['\u2116'] = '\u004E\u006F';
- t['\u2121'] = '\u0054\u0045\u004C';
- t['\u2135'] = '\u05D0';
- t['\u2136'] = '\u05D1';
- t['\u2137'] = '\u05D2';
- t['\u2138'] = '\u05D3';
- t['\u213B'] = '\u0046\u0041\u0058';
- t['\u2160'] = '\u0049';
- t['\u2161'] = '\u0049\u0049';
- t['\u2162'] = '\u0049\u0049\u0049';
- t['\u2163'] = '\u0049\u0056';
- t['\u2164'] = '\u0056';
- t['\u2165'] = '\u0056\u0049';
- t['\u2166'] = '\u0056\u0049\u0049';
- t['\u2167'] = '\u0056\u0049\u0049\u0049';
- t['\u2168'] = '\u0049\u0058';
- t['\u2169'] = '\u0058';
- t['\u216A'] = '\u0058\u0049';
- t['\u216B'] = '\u0058\u0049\u0049';
- t['\u216C'] = '\u004C';
- t['\u216D'] = '\u0043';
- t['\u216E'] = '\u0044';
- t['\u216F'] = '\u004D';
- t['\u2170'] = '\u0069';
- t['\u2171'] = '\u0069\u0069';
- t['\u2172'] = '\u0069\u0069\u0069';
- t['\u2173'] = '\u0069\u0076';
- t['\u2174'] = '\u0076';
- t['\u2175'] = '\u0076\u0069';
- t['\u2176'] = '\u0076\u0069\u0069';
- t['\u2177'] = '\u0076\u0069\u0069\u0069';
- t['\u2178'] = '\u0069\u0078';
- t['\u2179'] = '\u0078';
- t['\u217A'] = '\u0078\u0069';
- t['\u217B'] = '\u0078\u0069\u0069';
- t['\u217C'] = '\u006C';
- t['\u217D'] = '\u0063';
- t['\u217E'] = '\u0064';
- t['\u217F'] = '\u006D';
- t['\u222C'] = '\u222B\u222B';
- t['\u222D'] = '\u222B\u222B\u222B';
- t['\u222F'] = '\u222E\u222E';
- t['\u2230'] = '\u222E\u222E\u222E';
- t['\u2474'] = '\u0028\u0031\u0029';
- t['\u2475'] = '\u0028\u0032\u0029';
- t['\u2476'] = '\u0028\u0033\u0029';
- t['\u2477'] = '\u0028\u0034\u0029';
- t['\u2478'] = '\u0028\u0035\u0029';
- t['\u2479'] = '\u0028\u0036\u0029';
- t['\u247A'] = '\u0028\u0037\u0029';
- t['\u247B'] = '\u0028\u0038\u0029';
- t['\u247C'] = '\u0028\u0039\u0029';
- t['\u247D'] = '\u0028\u0031\u0030\u0029';
- t['\u247E'] = '\u0028\u0031\u0031\u0029';
- t['\u247F'] = '\u0028\u0031\u0032\u0029';
- t['\u2480'] = '\u0028\u0031\u0033\u0029';
- t['\u2481'] = '\u0028\u0031\u0034\u0029';
- t['\u2482'] = '\u0028\u0031\u0035\u0029';
- t['\u2483'] = '\u0028\u0031\u0036\u0029';
- t['\u2484'] = '\u0028\u0031\u0037\u0029';
- t['\u2485'] = '\u0028\u0031\u0038\u0029';
- t['\u2486'] = '\u0028\u0031\u0039\u0029';
- t['\u2487'] = '\u0028\u0032\u0030\u0029';
- t['\u2488'] = '\u0031\u002E';
- t['\u2489'] = '\u0032\u002E';
- t['\u248A'] = '\u0033\u002E';
- t['\u248B'] = '\u0034\u002E';
- t['\u248C'] = '\u0035\u002E';
- t['\u248D'] = '\u0036\u002E';
- t['\u248E'] = '\u0037\u002E';
- t['\u248F'] = '\u0038\u002E';
- t['\u2490'] = '\u0039\u002E';
- t['\u2491'] = '\u0031\u0030\u002E';
- t['\u2492'] = '\u0031\u0031\u002E';
- t['\u2493'] = '\u0031\u0032\u002E';
- t['\u2494'] = '\u0031\u0033\u002E';
- t['\u2495'] = '\u0031\u0034\u002E';
- t['\u2496'] = '\u0031\u0035\u002E';
- t['\u2497'] = '\u0031\u0036\u002E';
- t['\u2498'] = '\u0031\u0037\u002E';
- t['\u2499'] = '\u0031\u0038\u002E';
- t['\u249A'] = '\u0031\u0039\u002E';
- t['\u249B'] = '\u0032\u0030\u002E';
- t['\u249C'] = '\u0028\u0061\u0029';
- t['\u249D'] = '\u0028\u0062\u0029';
- t['\u249E'] = '\u0028\u0063\u0029';
- t['\u249F'] = '\u0028\u0064\u0029';
- t['\u24A0'] = '\u0028\u0065\u0029';
- t['\u24A1'] = '\u0028\u0066\u0029';
- t['\u24A2'] = '\u0028\u0067\u0029';
- t['\u24A3'] = '\u0028\u0068\u0029';
- t['\u24A4'] = '\u0028\u0069\u0029';
- t['\u24A5'] = '\u0028\u006A\u0029';
- t['\u24A6'] = '\u0028\u006B\u0029';
- t['\u24A7'] = '\u0028\u006C\u0029';
- t['\u24A8'] = '\u0028\u006D\u0029';
- t['\u24A9'] = '\u0028\u006E\u0029';
- t['\u24AA'] = '\u0028\u006F\u0029';
- t['\u24AB'] = '\u0028\u0070\u0029';
- t['\u24AC'] = '\u0028\u0071\u0029';
- t['\u24AD'] = '\u0028\u0072\u0029';
- t['\u24AE'] = '\u0028\u0073\u0029';
- t['\u24AF'] = '\u0028\u0074\u0029';
- t['\u24B0'] = '\u0028\u0075\u0029';
- t['\u24B1'] = '\u0028\u0076\u0029';
- t['\u24B2'] = '\u0028\u0077\u0029';
- t['\u24B3'] = '\u0028\u0078\u0029';
- t['\u24B4'] = '\u0028\u0079\u0029';
- t['\u24B5'] = '\u0028\u007A\u0029';
- t['\u2A0C'] = '\u222B\u222B\u222B\u222B';
- t['\u2A74'] = '\u003A\u003A\u003D';
- t['\u2A75'] = '\u003D\u003D';
- t['\u2A76'] = '\u003D\u003D\u003D';
- t['\u2E9F'] = '\u6BCD';
- t['\u2EF3'] = '\u9F9F';
- t['\u2F00'] = '\u4E00';
- t['\u2F01'] = '\u4E28';
- t['\u2F02'] = '\u4E36';
- t['\u2F03'] = '\u4E3F';
- t['\u2F04'] = '\u4E59';
- t['\u2F05'] = '\u4E85';
- t['\u2F06'] = '\u4E8C';
- t['\u2F07'] = '\u4EA0';
- t['\u2F08'] = '\u4EBA';
- t['\u2F09'] = '\u513F';
- t['\u2F0A'] = '\u5165';
- t['\u2F0B'] = '\u516B';
- t['\u2F0C'] = '\u5182';
- t['\u2F0D'] = '\u5196';
- t['\u2F0E'] = '\u51AB';
- t['\u2F0F'] = '\u51E0';
- t['\u2F10'] = '\u51F5';
- t['\u2F11'] = '\u5200';
- t['\u2F12'] = '\u529B';
- t['\u2F13'] = '\u52F9';
- t['\u2F14'] = '\u5315';
- t['\u2F15'] = '\u531A';
- t['\u2F16'] = '\u5338';
- t['\u2F17'] = '\u5341';
- t['\u2F18'] = '\u535C';
- t['\u2F19'] = '\u5369';
- t['\u2F1A'] = '\u5382';
- t['\u2F1B'] = '\u53B6';
- t['\u2F1C'] = '\u53C8';
- t['\u2F1D'] = '\u53E3';
- t['\u2F1E'] = '\u56D7';
- t['\u2F1F'] = '\u571F';
- t['\u2F20'] = '\u58EB';
- t['\u2F21'] = '\u5902';
- t['\u2F22'] = '\u590A';
- t['\u2F23'] = '\u5915';
- t['\u2F24'] = '\u5927';
- t['\u2F25'] = '\u5973';
- t['\u2F26'] = '\u5B50';
- t['\u2F27'] = '\u5B80';
- t['\u2F28'] = '\u5BF8';
- t['\u2F29'] = '\u5C0F';
- t['\u2F2A'] = '\u5C22';
- t['\u2F2B'] = '\u5C38';
- t['\u2F2C'] = '\u5C6E';
- t['\u2F2D'] = '\u5C71';
- t['\u2F2E'] = '\u5DDB';
- t['\u2F2F'] = '\u5DE5';
- t['\u2F30'] = '\u5DF1';
- t['\u2F31'] = '\u5DFE';
- t['\u2F32'] = '\u5E72';
- t['\u2F33'] = '\u5E7A';
- t['\u2F34'] = '\u5E7F';
- t['\u2F35'] = '\u5EF4';
- t['\u2F36'] = '\u5EFE';
- t['\u2F37'] = '\u5F0B';
- t['\u2F38'] = '\u5F13';
- t['\u2F39'] = '\u5F50';
- t['\u2F3A'] = '\u5F61';
- t['\u2F3B'] = '\u5F73';
- t['\u2F3C'] = '\u5FC3';
- t['\u2F3D'] = '\u6208';
- t['\u2F3E'] = '\u6236';
- t['\u2F3F'] = '\u624B';
- t['\u2F40'] = '\u652F';
- t['\u2F41'] = '\u6534';
- t['\u2F42'] = '\u6587';
- t['\u2F43'] = '\u6597';
- t['\u2F44'] = '\u65A4';
- t['\u2F45'] = '\u65B9';
- t['\u2F46'] = '\u65E0';
- t['\u2F47'] = '\u65E5';
- t['\u2F48'] = '\u66F0';
- t['\u2F49'] = '\u6708';
- t['\u2F4A'] = '\u6728';
- t['\u2F4B'] = '\u6B20';
- t['\u2F4C'] = '\u6B62';
- t['\u2F4D'] = '\u6B79';
- t['\u2F4E'] = '\u6BB3';
- t['\u2F4F'] = '\u6BCB';
- t['\u2F50'] = '\u6BD4';
- t['\u2F51'] = '\u6BDB';
- t['\u2F52'] = '\u6C0F';
- t['\u2F53'] = '\u6C14';
- t['\u2F54'] = '\u6C34';
- t['\u2F55'] = '\u706B';
- t['\u2F56'] = '\u722A';
- t['\u2F57'] = '\u7236';
- t['\u2F58'] = '\u723B';
- t['\u2F59'] = '\u723F';
- t['\u2F5A'] = '\u7247';
- t['\u2F5B'] = '\u7259';
- t['\u2F5C'] = '\u725B';
- t['\u2F5D'] = '\u72AC';
- t['\u2F5E'] = '\u7384';
- t['\u2F5F'] = '\u7389';
- t['\u2F60'] = '\u74DC';
- t['\u2F61'] = '\u74E6';
- t['\u2F62'] = '\u7518';
- t['\u2F63'] = '\u751F';
- t['\u2F64'] = '\u7528';
- t['\u2F65'] = '\u7530';
- t['\u2F66'] = '\u758B';
- t['\u2F67'] = '\u7592';
- t['\u2F68'] = '\u7676';
- t['\u2F69'] = '\u767D';
- t['\u2F6A'] = '\u76AE';
- t['\u2F6B'] = '\u76BF';
- t['\u2F6C'] = '\u76EE';
- t['\u2F6D'] = '\u77DB';
- t['\u2F6E'] = '\u77E2';
- t['\u2F6F'] = '\u77F3';
- t['\u2F70'] = '\u793A';
- t['\u2F71'] = '\u79B8';
- t['\u2F72'] = '\u79BE';
- t['\u2F73'] = '\u7A74';
- t['\u2F74'] = '\u7ACB';
- t['\u2F75'] = '\u7AF9';
- t['\u2F76'] = '\u7C73';
- t['\u2F77'] = '\u7CF8';
- t['\u2F78'] = '\u7F36';
- t['\u2F79'] = '\u7F51';
- t['\u2F7A'] = '\u7F8A';
- t['\u2F7B'] = '\u7FBD';
- t['\u2F7C'] = '\u8001';
- t['\u2F7D'] = '\u800C';
- t['\u2F7E'] = '\u8012';
- t['\u2F7F'] = '\u8033';
- t['\u2F80'] = '\u807F';
- t['\u2F81'] = '\u8089';
- t['\u2F82'] = '\u81E3';
- t['\u2F83'] = '\u81EA';
- t['\u2F84'] = '\u81F3';
- t['\u2F85'] = '\u81FC';
- t['\u2F86'] = '\u820C';
- t['\u2F87'] = '\u821B';
- t['\u2F88'] = '\u821F';
- t['\u2F89'] = '\u826E';
- t['\u2F8A'] = '\u8272';
- t['\u2F8B'] = '\u8278';
- t['\u2F8C'] = '\u864D';
- t['\u2F8D'] = '\u866B';
- t['\u2F8E'] = '\u8840';
- t['\u2F8F'] = '\u884C';
- t['\u2F90'] = '\u8863';
- t['\u2F91'] = '\u897E';
- t['\u2F92'] = '\u898B';
- t['\u2F93'] = '\u89D2';
- t['\u2F94'] = '\u8A00';
- t['\u2F95'] = '\u8C37';
- t['\u2F96'] = '\u8C46';
- t['\u2F97'] = '\u8C55';
- t['\u2F98'] = '\u8C78';
- t['\u2F99'] = '\u8C9D';
- t['\u2F9A'] = '\u8D64';
- t['\u2F9B'] = '\u8D70';
- t['\u2F9C'] = '\u8DB3';
- t['\u2F9D'] = '\u8EAB';
- t['\u2F9E'] = '\u8ECA';
- t['\u2F9F'] = '\u8F9B';
- t['\u2FA0'] = '\u8FB0';
- t['\u2FA1'] = '\u8FB5';
- t['\u2FA2'] = '\u9091';
- t['\u2FA3'] = '\u9149';
- t['\u2FA4'] = '\u91C6';
- t['\u2FA5'] = '\u91CC';
- t['\u2FA6'] = '\u91D1';
- t['\u2FA7'] = '\u9577';
- t['\u2FA8'] = '\u9580';
- t['\u2FA9'] = '\u961C';
- t['\u2FAA'] = '\u96B6';
- t['\u2FAB'] = '\u96B9';
- t['\u2FAC'] = '\u96E8';
- t['\u2FAD'] = '\u9751';
- t['\u2FAE'] = '\u975E';
- t['\u2FAF'] = '\u9762';
- t['\u2FB0'] = '\u9769';
- t['\u2FB1'] = '\u97CB';
- t['\u2FB2'] = '\u97ED';
- t['\u2FB3'] = '\u97F3';
- t['\u2FB4'] = '\u9801';
- t['\u2FB5'] = '\u98A8';
- t['\u2FB6'] = '\u98DB';
- t['\u2FB7'] = '\u98DF';
- t['\u2FB8'] = '\u9996';
- t['\u2FB9'] = '\u9999';
- t['\u2FBA'] = '\u99AC';
- t['\u2FBB'] = '\u9AA8';
- t['\u2FBC'] = '\u9AD8';
- t['\u2FBD'] = '\u9ADF';
- t['\u2FBE'] = '\u9B25';
- t['\u2FBF'] = '\u9B2F';
- t['\u2FC0'] = '\u9B32';
- t['\u2FC1'] = '\u9B3C';
- t['\u2FC2'] = '\u9B5A';
- t['\u2FC3'] = '\u9CE5';
- t['\u2FC4'] = '\u9E75';
- t['\u2FC5'] = '\u9E7F';
- t['\u2FC6'] = '\u9EA5';
- t['\u2FC7'] = '\u9EBB';
- t['\u2FC8'] = '\u9EC3';
- t['\u2FC9'] = '\u9ECD';
- t['\u2FCA'] = '\u9ED1';
- t['\u2FCB'] = '\u9EF9';
- t['\u2FCC'] = '\u9EFD';
- t['\u2FCD'] = '\u9F0E';
- t['\u2FCE'] = '\u9F13';
- t['\u2FCF'] = '\u9F20';
- t['\u2FD0'] = '\u9F3B';
- t['\u2FD1'] = '\u9F4A';
- t['\u2FD2'] = '\u9F52';
- t['\u2FD3'] = '\u9F8D';
- t['\u2FD4'] = '\u9F9C';
- t['\u2FD5'] = '\u9FA0';
- t['\u3036'] = '\u3012';
- t['\u3038'] = '\u5341';
- t['\u3039'] = '\u5344';
- t['\u303A'] = '\u5345';
- t['\u309B'] = '\u0020\u3099';
- t['\u309C'] = '\u0020\u309A';
- t['\u3131'] = '\u1100';
- t['\u3132'] = '\u1101';
- t['\u3133'] = '\u11AA';
- t['\u3134'] = '\u1102';
- t['\u3135'] = '\u11AC';
- t['\u3136'] = '\u11AD';
- t['\u3137'] = '\u1103';
- t['\u3138'] = '\u1104';
- t['\u3139'] = '\u1105';
- t['\u313A'] = '\u11B0';
- t['\u313B'] = '\u11B1';
- t['\u313C'] = '\u11B2';
- t['\u313D'] = '\u11B3';
- t['\u313E'] = '\u11B4';
- t['\u313F'] = '\u11B5';
- t['\u3140'] = '\u111A';
- t['\u3141'] = '\u1106';
- t['\u3142'] = '\u1107';
- t['\u3143'] = '\u1108';
- t['\u3144'] = '\u1121';
- t['\u3145'] = '\u1109';
- t['\u3146'] = '\u110A';
- t['\u3147'] = '\u110B';
- t['\u3148'] = '\u110C';
- t['\u3149'] = '\u110D';
- t['\u314A'] = '\u110E';
- t['\u314B'] = '\u110F';
- t['\u314C'] = '\u1110';
- t['\u314D'] = '\u1111';
- t['\u314E'] = '\u1112';
- t['\u314F'] = '\u1161';
- t['\u3150'] = '\u1162';
- t['\u3151'] = '\u1163';
- t['\u3152'] = '\u1164';
- t['\u3153'] = '\u1165';
- t['\u3154'] = '\u1166';
- t['\u3155'] = '\u1167';
- t['\u3156'] = '\u1168';
- t['\u3157'] = '\u1169';
- t['\u3158'] = '\u116A';
- t['\u3159'] = '\u116B';
- t['\u315A'] = '\u116C';
- t['\u315B'] = '\u116D';
- t['\u315C'] = '\u116E';
- t['\u315D'] = '\u116F';
- t['\u315E'] = '\u1170';
- t['\u315F'] = '\u1171';
- t['\u3160'] = '\u1172';
- t['\u3161'] = '\u1173';
- t['\u3162'] = '\u1174';
- t['\u3163'] = '\u1175';
- t['\u3164'] = '\u1160';
- t['\u3165'] = '\u1114';
- t['\u3166'] = '\u1115';
- t['\u3167'] = '\u11C7';
- t['\u3168'] = '\u11C8';
- t['\u3169'] = '\u11CC';
- t['\u316A'] = '\u11CE';
- t['\u316B'] = '\u11D3';
- t['\u316C'] = '\u11D7';
- t['\u316D'] = '\u11D9';
- t['\u316E'] = '\u111C';
- t['\u316F'] = '\u11DD';
- t['\u3170'] = '\u11DF';
- t['\u3171'] = '\u111D';
- t['\u3172'] = '\u111E';
- t['\u3173'] = '\u1120';
- t['\u3174'] = '\u1122';
- t['\u3175'] = '\u1123';
- t['\u3176'] = '\u1127';
- t['\u3177'] = '\u1129';
- t['\u3178'] = '\u112B';
- t['\u3179'] = '\u112C';
- t['\u317A'] = '\u112D';
- t['\u317B'] = '\u112E';
- t['\u317C'] = '\u112F';
- t['\u317D'] = '\u1132';
- t['\u317E'] = '\u1136';
- t['\u317F'] = '\u1140';
- t['\u3180'] = '\u1147';
- t['\u3181'] = '\u114C';
- t['\u3182'] = '\u11F1';
- t['\u3183'] = '\u11F2';
- t['\u3184'] = '\u1157';
- t['\u3185'] = '\u1158';
- t['\u3186'] = '\u1159';
- t['\u3187'] = '\u1184';
- t['\u3188'] = '\u1185';
- t['\u3189'] = '\u1188';
- t['\u318A'] = '\u1191';
- t['\u318B'] = '\u1192';
- t['\u318C'] = '\u1194';
- t['\u318D'] = '\u119E';
- t['\u318E'] = '\u11A1';
- t['\u3200'] = '\u0028\u1100\u0029';
- t['\u3201'] = '\u0028\u1102\u0029';
- t['\u3202'] = '\u0028\u1103\u0029';
- t['\u3203'] = '\u0028\u1105\u0029';
- t['\u3204'] = '\u0028\u1106\u0029';
- t['\u3205'] = '\u0028\u1107\u0029';
- t['\u3206'] = '\u0028\u1109\u0029';
- t['\u3207'] = '\u0028\u110B\u0029';
- t['\u3208'] = '\u0028\u110C\u0029';
- t['\u3209'] = '\u0028\u110E\u0029';
- t['\u320A'] = '\u0028\u110F\u0029';
- t['\u320B'] = '\u0028\u1110\u0029';
- t['\u320C'] = '\u0028\u1111\u0029';
- t['\u320D'] = '\u0028\u1112\u0029';
- t['\u320E'] = '\u0028\u1100\u1161\u0029';
- t['\u320F'] = '\u0028\u1102\u1161\u0029';
- t['\u3210'] = '\u0028\u1103\u1161\u0029';
- t['\u3211'] = '\u0028\u1105\u1161\u0029';
- t['\u3212'] = '\u0028\u1106\u1161\u0029';
- t['\u3213'] = '\u0028\u1107\u1161\u0029';
- t['\u3214'] = '\u0028\u1109\u1161\u0029';
- t['\u3215'] = '\u0028\u110B\u1161\u0029';
- t['\u3216'] = '\u0028\u110C\u1161\u0029';
- t['\u3217'] = '\u0028\u110E\u1161\u0029';
- t['\u3218'] = '\u0028\u110F\u1161\u0029';
- t['\u3219'] = '\u0028\u1110\u1161\u0029';
- t['\u321A'] = '\u0028\u1111\u1161\u0029';
- t['\u321B'] = '\u0028\u1112\u1161\u0029';
- t['\u321C'] = '\u0028\u110C\u116E\u0029';
- t['\u321D'] = '\u0028\u110B\u1169\u110C\u1165\u11AB\u0029';
- t['\u321E'] = '\u0028\u110B\u1169\u1112\u116E\u0029';
- t['\u3220'] = '\u0028\u4E00\u0029';
- t['\u3221'] = '\u0028\u4E8C\u0029';
- t['\u3222'] = '\u0028\u4E09\u0029';
- t['\u3223'] = '\u0028\u56DB\u0029';
- t['\u3224'] = '\u0028\u4E94\u0029';
- t['\u3225'] = '\u0028\u516D\u0029';
- t['\u3226'] = '\u0028\u4E03\u0029';
- t['\u3227'] = '\u0028\u516B\u0029';
- t['\u3228'] = '\u0028\u4E5D\u0029';
- t['\u3229'] = '\u0028\u5341\u0029';
- t['\u322A'] = '\u0028\u6708\u0029';
- t['\u322B'] = '\u0028\u706B\u0029';
- t['\u322C'] = '\u0028\u6C34\u0029';
- t['\u322D'] = '\u0028\u6728\u0029';
- t['\u322E'] = '\u0028\u91D1\u0029';
- t['\u322F'] = '\u0028\u571F\u0029';
- t['\u3230'] = '\u0028\u65E5\u0029';
- t['\u3231'] = '\u0028\u682A\u0029';
- t['\u3232'] = '\u0028\u6709\u0029';
- t['\u3233'] = '\u0028\u793E\u0029';
- t['\u3234'] = '\u0028\u540D\u0029';
- t['\u3235'] = '\u0028\u7279\u0029';
- t['\u3236'] = '\u0028\u8CA1\u0029';
- t['\u3237'] = '\u0028\u795D\u0029';
- t['\u3238'] = '\u0028\u52B4\u0029';
- t['\u3239'] = '\u0028\u4EE3\u0029';
- t['\u323A'] = '\u0028\u547C\u0029';
- t['\u323B'] = '\u0028\u5B66\u0029';
- t['\u323C'] = '\u0028\u76E3\u0029';
- t['\u323D'] = '\u0028\u4F01\u0029';
- t['\u323E'] = '\u0028\u8CC7\u0029';
- t['\u323F'] = '\u0028\u5354\u0029';
- t['\u3240'] = '\u0028\u796D\u0029';
- t['\u3241'] = '\u0028\u4F11\u0029';
- t['\u3242'] = '\u0028\u81EA\u0029';
- t['\u3243'] = '\u0028\u81F3\u0029';
- t['\u32C0'] = '\u0031\u6708';
- t['\u32C1'] = '\u0032\u6708';
- t['\u32C2'] = '\u0033\u6708';
- t['\u32C3'] = '\u0034\u6708';
- t['\u32C4'] = '\u0035\u6708';
- t['\u32C5'] = '\u0036\u6708';
- t['\u32C6'] = '\u0037\u6708';
- t['\u32C7'] = '\u0038\u6708';
- t['\u32C8'] = '\u0039\u6708';
- t['\u32C9'] = '\u0031\u0030\u6708';
- t['\u32CA'] = '\u0031\u0031\u6708';
- t['\u32CB'] = '\u0031\u0032\u6708';
- t['\u3358'] = '\u0030\u70B9';
- t['\u3359'] = '\u0031\u70B9';
- t['\u335A'] = '\u0032\u70B9';
- t['\u335B'] = '\u0033\u70B9';
- t['\u335C'] = '\u0034\u70B9';
- t['\u335D'] = '\u0035\u70B9';
- t['\u335E'] = '\u0036\u70B9';
- t['\u335F'] = '\u0037\u70B9';
- t['\u3360'] = '\u0038\u70B9';
- t['\u3361'] = '\u0039\u70B9';
- t['\u3362'] = '\u0031\u0030\u70B9';
- t['\u3363'] = '\u0031\u0031\u70B9';
- t['\u3364'] = '\u0031\u0032\u70B9';
- t['\u3365'] = '\u0031\u0033\u70B9';
- t['\u3366'] = '\u0031\u0034\u70B9';
- t['\u3367'] = '\u0031\u0035\u70B9';
- t['\u3368'] = '\u0031\u0036\u70B9';
- t['\u3369'] = '\u0031\u0037\u70B9';
- t['\u336A'] = '\u0031\u0038\u70B9';
- t['\u336B'] = '\u0031\u0039\u70B9';
- t['\u336C'] = '\u0032\u0030\u70B9';
- t['\u336D'] = '\u0032\u0031\u70B9';
- t['\u336E'] = '\u0032\u0032\u70B9';
- t['\u336F'] = '\u0032\u0033\u70B9';
- t['\u3370'] = '\u0032\u0034\u70B9';
- t['\u33E0'] = '\u0031\u65E5';
- t['\u33E1'] = '\u0032\u65E5';
- t['\u33E2'] = '\u0033\u65E5';
- t['\u33E3'] = '\u0034\u65E5';
- t['\u33E4'] = '\u0035\u65E5';
- t['\u33E5'] = '\u0036\u65E5';
- t['\u33E6'] = '\u0037\u65E5';
- t['\u33E7'] = '\u0038\u65E5';
- t['\u33E8'] = '\u0039\u65E5';
- t['\u33E9'] = '\u0031\u0030\u65E5';
- t['\u33EA'] = '\u0031\u0031\u65E5';
- t['\u33EB'] = '\u0031\u0032\u65E5';
- t['\u33EC'] = '\u0031\u0033\u65E5';
- t['\u33ED'] = '\u0031\u0034\u65E5';
- t['\u33EE'] = '\u0031\u0035\u65E5';
- t['\u33EF'] = '\u0031\u0036\u65E5';
- t['\u33F0'] = '\u0031\u0037\u65E5';
- t['\u33F1'] = '\u0031\u0038\u65E5';
- t['\u33F2'] = '\u0031\u0039\u65E5';
- t['\u33F3'] = '\u0032\u0030\u65E5';
- t['\u33F4'] = '\u0032\u0031\u65E5';
- t['\u33F5'] = '\u0032\u0032\u65E5';
- t['\u33F6'] = '\u0032\u0033\u65E5';
- t['\u33F7'] = '\u0032\u0034\u65E5';
- t['\u33F8'] = '\u0032\u0035\u65E5';
- t['\u33F9'] = '\u0032\u0036\u65E5';
- t['\u33FA'] = '\u0032\u0037\u65E5';
- t['\u33FB'] = '\u0032\u0038\u65E5';
- t['\u33FC'] = '\u0032\u0039\u65E5';
- t['\u33FD'] = '\u0033\u0030\u65E5';
- t['\u33FE'] = '\u0033\u0031\u65E5';
- t['\uFB00'] = '\u0066\u0066';
- t['\uFB01'] = '\u0066\u0069';
- t['\uFB02'] = '\u0066\u006C';
- t['\uFB03'] = '\u0066\u0066\u0069';
- t['\uFB04'] = '\u0066\u0066\u006C';
- t['\uFB05'] = '\u017F\u0074';
- t['\uFB06'] = '\u0073\u0074';
- t['\uFB13'] = '\u0574\u0576';
- t['\uFB14'] = '\u0574\u0565';
- t['\uFB15'] = '\u0574\u056B';
- t['\uFB16'] = '\u057E\u0576';
- t['\uFB17'] = '\u0574\u056D';
- t['\uFB4F'] = '\u05D0\u05DC';
- t['\uFB50'] = '\u0671';
- t['\uFB51'] = '\u0671';
- t['\uFB52'] = '\u067B';
- t['\uFB53'] = '\u067B';
- t['\uFB54'] = '\u067B';
- t['\uFB55'] = '\u067B';
- t['\uFB56'] = '\u067E';
- t['\uFB57'] = '\u067E';
- t['\uFB58'] = '\u067E';
- t['\uFB59'] = '\u067E';
- t['\uFB5A'] = '\u0680';
- t['\uFB5B'] = '\u0680';
- t['\uFB5C'] = '\u0680';
- t['\uFB5D'] = '\u0680';
- t['\uFB5E'] = '\u067A';
- t['\uFB5F'] = '\u067A';
- t['\uFB60'] = '\u067A';
- t['\uFB61'] = '\u067A';
- t['\uFB62'] = '\u067F';
- t['\uFB63'] = '\u067F';
- t['\uFB64'] = '\u067F';
- t['\uFB65'] = '\u067F';
- t['\uFB66'] = '\u0679';
- t['\uFB67'] = '\u0679';
- t['\uFB68'] = '\u0679';
- t['\uFB69'] = '\u0679';
- t['\uFB6A'] = '\u06A4';
- t['\uFB6B'] = '\u06A4';
- t['\uFB6C'] = '\u06A4';
- t['\uFB6D'] = '\u06A4';
- t['\uFB6E'] = '\u06A6';
- t['\uFB6F'] = '\u06A6';
- t['\uFB70'] = '\u06A6';
- t['\uFB71'] = '\u06A6';
- t['\uFB72'] = '\u0684';
- t['\uFB73'] = '\u0684';
- t['\uFB74'] = '\u0684';
- t['\uFB75'] = '\u0684';
- t['\uFB76'] = '\u0683';
- t['\uFB77'] = '\u0683';
- t['\uFB78'] = '\u0683';
- t['\uFB79'] = '\u0683';
- t['\uFB7A'] = '\u0686';
- t['\uFB7B'] = '\u0686';
- t['\uFB7C'] = '\u0686';
- t['\uFB7D'] = '\u0686';
- t['\uFB7E'] = '\u0687';
- t['\uFB7F'] = '\u0687';
- t['\uFB80'] = '\u0687';
- t['\uFB81'] = '\u0687';
- t['\uFB82'] = '\u068D';
- t['\uFB83'] = '\u068D';
- t['\uFB84'] = '\u068C';
- t['\uFB85'] = '\u068C';
- t['\uFB86'] = '\u068E';
- t['\uFB87'] = '\u068E';
- t['\uFB88'] = '\u0688';
- t['\uFB89'] = '\u0688';
- t['\uFB8A'] = '\u0698';
- t['\uFB8B'] = '\u0698';
- t['\uFB8C'] = '\u0691';
- t['\uFB8D'] = '\u0691';
- t['\uFB8E'] = '\u06A9';
- t['\uFB8F'] = '\u06A9';
- t['\uFB90'] = '\u06A9';
- t['\uFB91'] = '\u06A9';
- t['\uFB92'] = '\u06AF';
- t['\uFB93'] = '\u06AF';
- t['\uFB94'] = '\u06AF';
- t['\uFB95'] = '\u06AF';
- t['\uFB96'] = '\u06B3';
- t['\uFB97'] = '\u06B3';
- t['\uFB98'] = '\u06B3';
- t['\uFB99'] = '\u06B3';
- t['\uFB9A'] = '\u06B1';
- t['\uFB9B'] = '\u06B1';
- t['\uFB9C'] = '\u06B1';
- t['\uFB9D'] = '\u06B1';
- t['\uFB9E'] = '\u06BA';
- t['\uFB9F'] = '\u06BA';
- t['\uFBA0'] = '\u06BB';
- t['\uFBA1'] = '\u06BB';
- t['\uFBA2'] = '\u06BB';
- t['\uFBA3'] = '\u06BB';
- t['\uFBA4'] = '\u06C0';
- t['\uFBA5'] = '\u06C0';
- t['\uFBA6'] = '\u06C1';
- t['\uFBA7'] = '\u06C1';
- t['\uFBA8'] = '\u06C1';
- t['\uFBA9'] = '\u06C1';
- t['\uFBAA'] = '\u06BE';
- t['\uFBAB'] = '\u06BE';
- t['\uFBAC'] = '\u06BE';
- t['\uFBAD'] = '\u06BE';
- t['\uFBAE'] = '\u06D2';
- t['\uFBAF'] = '\u06D2';
- t['\uFBB0'] = '\u06D3';
- t['\uFBB1'] = '\u06D3';
- t['\uFBD3'] = '\u06AD';
- t['\uFBD4'] = '\u06AD';
- t['\uFBD5'] = '\u06AD';
- t['\uFBD6'] = '\u06AD';
- t['\uFBD7'] = '\u06C7';
- t['\uFBD8'] = '\u06C7';
- t['\uFBD9'] = '\u06C6';
- t['\uFBDA'] = '\u06C6';
- t['\uFBDB'] = '\u06C8';
- t['\uFBDC'] = '\u06C8';
- t['\uFBDD'] = '\u0677';
- t['\uFBDE'] = '\u06CB';
- t['\uFBDF'] = '\u06CB';
- t['\uFBE0'] = '\u06C5';
- t['\uFBE1'] = '\u06C5';
- t['\uFBE2'] = '\u06C9';
- t['\uFBE3'] = '\u06C9';
- t['\uFBE4'] = '\u06D0';
- t['\uFBE5'] = '\u06D0';
- t['\uFBE6'] = '\u06D0';
- t['\uFBE7'] = '\u06D0';
- t['\uFBE8'] = '\u0649';
- t['\uFBE9'] = '\u0649';
- t['\uFBEA'] = '\u0626\u0627';
- t['\uFBEB'] = '\u0626\u0627';
- t['\uFBEC'] = '\u0626\u06D5';
- t['\uFBED'] = '\u0626\u06D5';
- t['\uFBEE'] = '\u0626\u0648';
- t['\uFBEF'] = '\u0626\u0648';
- t['\uFBF0'] = '\u0626\u06C7';
- t['\uFBF1'] = '\u0626\u06C7';
- t['\uFBF2'] = '\u0626\u06C6';
- t['\uFBF3'] = '\u0626\u06C6';
- t['\uFBF4'] = '\u0626\u06C8';
- t['\uFBF5'] = '\u0626\u06C8';
- t['\uFBF6'] = '\u0626\u06D0';
- t['\uFBF7'] = '\u0626\u06D0';
- t['\uFBF8'] = '\u0626\u06D0';
- t['\uFBF9'] = '\u0626\u0649';
- t['\uFBFA'] = '\u0626\u0649';
- t['\uFBFB'] = '\u0626\u0649';
- t['\uFBFC'] = '\u06CC';
- t['\uFBFD'] = '\u06CC';
- t['\uFBFE'] = '\u06CC';
- t['\uFBFF'] = '\u06CC';
- t['\uFC00'] = '\u0626\u062C';
- t['\uFC01'] = '\u0626\u062D';
- t['\uFC02'] = '\u0626\u0645';
- t['\uFC03'] = '\u0626\u0649';
- t['\uFC04'] = '\u0626\u064A';
- t['\uFC05'] = '\u0628\u062C';
- t['\uFC06'] = '\u0628\u062D';
- t['\uFC07'] = '\u0628\u062E';
- t['\uFC08'] = '\u0628\u0645';
- t['\uFC09'] = '\u0628\u0649';
- t['\uFC0A'] = '\u0628\u064A';
- t['\uFC0B'] = '\u062A\u062C';
- t['\uFC0C'] = '\u062A\u062D';
- t['\uFC0D'] = '\u062A\u062E';
- t['\uFC0E'] = '\u062A\u0645';
- t['\uFC0F'] = '\u062A\u0649';
- t['\uFC10'] = '\u062A\u064A';
- t['\uFC11'] = '\u062B\u062C';
- t['\uFC12'] = '\u062B\u0645';
- t['\uFC13'] = '\u062B\u0649';
- t['\uFC14'] = '\u062B\u064A';
- t['\uFC15'] = '\u062C\u062D';
- t['\uFC16'] = '\u062C\u0645';
- t['\uFC17'] = '\u062D\u062C';
- t['\uFC18'] = '\u062D\u0645';
- t['\uFC19'] = '\u062E\u062C';
- t['\uFC1A'] = '\u062E\u062D';
- t['\uFC1B'] = '\u062E\u0645';
- t['\uFC1C'] = '\u0633\u062C';
- t['\uFC1D'] = '\u0633\u062D';
- t['\uFC1E'] = '\u0633\u062E';
- t['\uFC1F'] = '\u0633\u0645';
- t['\uFC20'] = '\u0635\u062D';
- t['\uFC21'] = '\u0635\u0645';
- t['\uFC22'] = '\u0636\u062C';
- t['\uFC23'] = '\u0636\u062D';
- t['\uFC24'] = '\u0636\u062E';
- t['\uFC25'] = '\u0636\u0645';
- t['\uFC26'] = '\u0637\u062D';
- t['\uFC27'] = '\u0637\u0645';
- t['\uFC28'] = '\u0638\u0645';
- t['\uFC29'] = '\u0639\u062C';
- t['\uFC2A'] = '\u0639\u0645';
- t['\uFC2B'] = '\u063A\u062C';
- t['\uFC2C'] = '\u063A\u0645';
- t['\uFC2D'] = '\u0641\u062C';
- t['\uFC2E'] = '\u0641\u062D';
- t['\uFC2F'] = '\u0641\u062E';
- t['\uFC30'] = '\u0641\u0645';
- t['\uFC31'] = '\u0641\u0649';
- t['\uFC32'] = '\u0641\u064A';
- t['\uFC33'] = '\u0642\u062D';
- t['\uFC34'] = '\u0642\u0645';
- t['\uFC35'] = '\u0642\u0649';
- t['\uFC36'] = '\u0642\u064A';
- t['\uFC37'] = '\u0643\u0627';
- t['\uFC38'] = '\u0643\u062C';
- t['\uFC39'] = '\u0643\u062D';
- t['\uFC3A'] = '\u0643\u062E';
- t['\uFC3B'] = '\u0643\u0644';
- t['\uFC3C'] = '\u0643\u0645';
- t['\uFC3D'] = '\u0643\u0649';
- t['\uFC3E'] = '\u0643\u064A';
- t['\uFC3F'] = '\u0644\u062C';
- t['\uFC40'] = '\u0644\u062D';
- t['\uFC41'] = '\u0644\u062E';
- t['\uFC42'] = '\u0644\u0645';
- t['\uFC43'] = '\u0644\u0649';
- t['\uFC44'] = '\u0644\u064A';
- t['\uFC45'] = '\u0645\u062C';
- t['\uFC46'] = '\u0645\u062D';
- t['\uFC47'] = '\u0645\u062E';
- t['\uFC48'] = '\u0645\u0645';
- t['\uFC49'] = '\u0645\u0649';
- t['\uFC4A'] = '\u0645\u064A';
- t['\uFC4B'] = '\u0646\u062C';
- t['\uFC4C'] = '\u0646\u062D';
- t['\uFC4D'] = '\u0646\u062E';
- t['\uFC4E'] = '\u0646\u0645';
- t['\uFC4F'] = '\u0646\u0649';
- t['\uFC50'] = '\u0646\u064A';
- t['\uFC51'] = '\u0647\u062C';
- t['\uFC52'] = '\u0647\u0645';
- t['\uFC53'] = '\u0647\u0649';
- t['\uFC54'] = '\u0647\u064A';
- t['\uFC55'] = '\u064A\u062C';
- t['\uFC56'] = '\u064A\u062D';
- t['\uFC57'] = '\u064A\u062E';
- t['\uFC58'] = '\u064A\u0645';
- t['\uFC59'] = '\u064A\u0649';
- t['\uFC5A'] = '\u064A\u064A';
- t['\uFC5B'] = '\u0630\u0670';
- t['\uFC5C'] = '\u0631\u0670';
- t['\uFC5D'] = '\u0649\u0670';
- t['\uFC5E'] = '\u0020\u064C\u0651';
- t['\uFC5F'] = '\u0020\u064D\u0651';
- t['\uFC60'] = '\u0020\u064E\u0651';
- t['\uFC61'] = '\u0020\u064F\u0651';
- t['\uFC62'] = '\u0020\u0650\u0651';
- t['\uFC63'] = '\u0020\u0651\u0670';
- t['\uFC64'] = '\u0626\u0631';
- t['\uFC65'] = '\u0626\u0632';
- t['\uFC66'] = '\u0626\u0645';
- t['\uFC67'] = '\u0626\u0646';
- t['\uFC68'] = '\u0626\u0649';
- t['\uFC69'] = '\u0626\u064A';
- t['\uFC6A'] = '\u0628\u0631';
- t['\uFC6B'] = '\u0628\u0632';
- t['\uFC6C'] = '\u0628\u0645';
- t['\uFC6D'] = '\u0628\u0646';
- t['\uFC6E'] = '\u0628\u0649';
- t['\uFC6F'] = '\u0628\u064A';
- t['\uFC70'] = '\u062A\u0631';
- t['\uFC71'] = '\u062A\u0632';
- t['\uFC72'] = '\u062A\u0645';
- t['\uFC73'] = '\u062A\u0646';
- t['\uFC74'] = '\u062A\u0649';
- t['\uFC75'] = '\u062A\u064A';
- t['\uFC76'] = '\u062B\u0631';
- t['\uFC77'] = '\u062B\u0632';
- t['\uFC78'] = '\u062B\u0645';
- t['\uFC79'] = '\u062B\u0646';
- t['\uFC7A'] = '\u062B\u0649';
- t['\uFC7B'] = '\u062B\u064A';
- t['\uFC7C'] = '\u0641\u0649';
- t['\uFC7D'] = '\u0641\u064A';
- t['\uFC7E'] = '\u0642\u0649';
- t['\uFC7F'] = '\u0642\u064A';
- t['\uFC80'] = '\u0643\u0627';
- t['\uFC81'] = '\u0643\u0644';
- t['\uFC82'] = '\u0643\u0645';
- t['\uFC83'] = '\u0643\u0649';
- t['\uFC84'] = '\u0643\u064A';
- t['\uFC85'] = '\u0644\u0645';
- t['\uFC86'] = '\u0644\u0649';
- t['\uFC87'] = '\u0644\u064A';
- t['\uFC88'] = '\u0645\u0627';
- t['\uFC89'] = '\u0645\u0645';
- t['\uFC8A'] = '\u0646\u0631';
- t['\uFC8B'] = '\u0646\u0632';
- t['\uFC8C'] = '\u0646\u0645';
- t['\uFC8D'] = '\u0646\u0646';
- t['\uFC8E'] = '\u0646\u0649';
- t['\uFC8F'] = '\u0646\u064A';
- t['\uFC90'] = '\u0649\u0670';
- t['\uFC91'] = '\u064A\u0631';
- t['\uFC92'] = '\u064A\u0632';
- t['\uFC93'] = '\u064A\u0645';
- t['\uFC94'] = '\u064A\u0646';
- t['\uFC95'] = '\u064A\u0649';
- t['\uFC96'] = '\u064A\u064A';
- t['\uFC97'] = '\u0626\u062C';
- t['\uFC98'] = '\u0626\u062D';
- t['\uFC99'] = '\u0626\u062E';
- t['\uFC9A'] = '\u0626\u0645';
- t['\uFC9B'] = '\u0626\u0647';
- t['\uFC9C'] = '\u0628\u062C';
- t['\uFC9D'] = '\u0628\u062D';
- t['\uFC9E'] = '\u0628\u062E';
- t['\uFC9F'] = '\u0628\u0645';
- t['\uFCA0'] = '\u0628\u0647';
- t['\uFCA1'] = '\u062A\u062C';
- t['\uFCA2'] = '\u062A\u062D';
- t['\uFCA3'] = '\u062A\u062E';
- t['\uFCA4'] = '\u062A\u0645';
- t['\uFCA5'] = '\u062A\u0647';
- t['\uFCA6'] = '\u062B\u0645';
- t['\uFCA7'] = '\u062C\u062D';
- t['\uFCA8'] = '\u062C\u0645';
- t['\uFCA9'] = '\u062D\u062C';
- t['\uFCAA'] = '\u062D\u0645';
- t['\uFCAB'] = '\u062E\u062C';
- t['\uFCAC'] = '\u062E\u0645';
- t['\uFCAD'] = '\u0633\u062C';
- t['\uFCAE'] = '\u0633\u062D';
- t['\uFCAF'] = '\u0633\u062E';
- t['\uFCB0'] = '\u0633\u0645';
- t['\uFCB1'] = '\u0635\u062D';
- t['\uFCB2'] = '\u0635\u062E';
- t['\uFCB3'] = '\u0635\u0645';
- t['\uFCB4'] = '\u0636\u062C';
- t['\uFCB5'] = '\u0636\u062D';
- t['\uFCB6'] = '\u0636\u062E';
- t['\uFCB7'] = '\u0636\u0645';
- t['\uFCB8'] = '\u0637\u062D';
- t['\uFCB9'] = '\u0638\u0645';
- t['\uFCBA'] = '\u0639\u062C';
- t['\uFCBB'] = '\u0639\u0645';
- t['\uFCBC'] = '\u063A\u062C';
- t['\uFCBD'] = '\u063A\u0645';
- t['\uFCBE'] = '\u0641\u062C';
- t['\uFCBF'] = '\u0641\u062D';
- t['\uFCC0'] = '\u0641\u062E';
- t['\uFCC1'] = '\u0641\u0645';
- t['\uFCC2'] = '\u0642\u062D';
- t['\uFCC3'] = '\u0642\u0645';
- t['\uFCC4'] = '\u0643\u062C';
- t['\uFCC5'] = '\u0643\u062D';
- t['\uFCC6'] = '\u0643\u062E';
- t['\uFCC7'] = '\u0643\u0644';
- t['\uFCC8'] = '\u0643\u0645';
- t['\uFCC9'] = '\u0644\u062C';
- t['\uFCCA'] = '\u0644\u062D';
- t['\uFCCB'] = '\u0644\u062E';
- t['\uFCCC'] = '\u0644\u0645';
- t['\uFCCD'] = '\u0644\u0647';
- t['\uFCCE'] = '\u0645\u062C';
- t['\uFCCF'] = '\u0645\u062D';
- t['\uFCD0'] = '\u0645\u062E';
- t['\uFCD1'] = '\u0645\u0645';
- t['\uFCD2'] = '\u0646\u062C';
- t['\uFCD3'] = '\u0646\u062D';
- t['\uFCD4'] = '\u0646\u062E';
- t['\uFCD5'] = '\u0646\u0645';
- t['\uFCD6'] = '\u0646\u0647';
- t['\uFCD7'] = '\u0647\u062C';
- t['\uFCD8'] = '\u0647\u0645';
- t['\uFCD9'] = '\u0647\u0670';
- t['\uFCDA'] = '\u064A\u062C';
- t['\uFCDB'] = '\u064A\u062D';
- t['\uFCDC'] = '\u064A\u062E';
- t['\uFCDD'] = '\u064A\u0645';
- t['\uFCDE'] = '\u064A\u0647';
- t['\uFCDF'] = '\u0626\u0645';
- t['\uFCE0'] = '\u0626\u0647';
- t['\uFCE1'] = '\u0628\u0645';
- t['\uFCE2'] = '\u0628\u0647';
- t['\uFCE3'] = '\u062A\u0645';
- t['\uFCE4'] = '\u062A\u0647';
- t['\uFCE5'] = '\u062B\u0645';
- t['\uFCE6'] = '\u062B\u0647';
- t['\uFCE7'] = '\u0633\u0645';
- t['\uFCE8'] = '\u0633\u0647';
- t['\uFCE9'] = '\u0634\u0645';
- t['\uFCEA'] = '\u0634\u0647';
- t['\uFCEB'] = '\u0643\u0644';
- t['\uFCEC'] = '\u0643\u0645';
- t['\uFCED'] = '\u0644\u0645';
- t['\uFCEE'] = '\u0646\u0645';
- t['\uFCEF'] = '\u0646\u0647';
- t['\uFCF0'] = '\u064A\u0645';
- t['\uFCF1'] = '\u064A\u0647';
- t['\uFCF2'] = '\u0640\u064E\u0651';
- t['\uFCF3'] = '\u0640\u064F\u0651';
- t['\uFCF4'] = '\u0640\u0650\u0651';
- t['\uFCF5'] = '\u0637\u0649';
- t['\uFCF6'] = '\u0637\u064A';
- t['\uFCF7'] = '\u0639\u0649';
- t['\uFCF8'] = '\u0639\u064A';
- t['\uFCF9'] = '\u063A\u0649';
- t['\uFCFA'] = '\u063A\u064A';
- t['\uFCFB'] = '\u0633\u0649';
- t['\uFCFC'] = '\u0633\u064A';
- t['\uFCFD'] = '\u0634\u0649';
- t['\uFCFE'] = '\u0634\u064A';
- t['\uFCFF'] = '\u062D\u0649';
- t['\uFD00'] = '\u062D\u064A';
- t['\uFD01'] = '\u062C\u0649';
- t['\uFD02'] = '\u062C\u064A';
- t['\uFD03'] = '\u062E\u0649';
- t['\uFD04'] = '\u062E\u064A';
- t['\uFD05'] = '\u0635\u0649';
- t['\uFD06'] = '\u0635\u064A';
- t['\uFD07'] = '\u0636\u0649';
- t['\uFD08'] = '\u0636\u064A';
- t['\uFD09'] = '\u0634\u062C';
- t['\uFD0A'] = '\u0634\u062D';
- t['\uFD0B'] = '\u0634\u062E';
- t['\uFD0C'] = '\u0634\u0645';
- t['\uFD0D'] = '\u0634\u0631';
- t['\uFD0E'] = '\u0633\u0631';
- t['\uFD0F'] = '\u0635\u0631';
- t['\uFD10'] = '\u0636\u0631';
- t['\uFD11'] = '\u0637\u0649';
- t['\uFD12'] = '\u0637\u064A';
- t['\uFD13'] = '\u0639\u0649';
- t['\uFD14'] = '\u0639\u064A';
- t['\uFD15'] = '\u063A\u0649';
- t['\uFD16'] = '\u063A\u064A';
- t['\uFD17'] = '\u0633\u0649';
- t['\uFD18'] = '\u0633\u064A';
- t['\uFD19'] = '\u0634\u0649';
- t['\uFD1A'] = '\u0634\u064A';
- t['\uFD1B'] = '\u062D\u0649';
- t['\uFD1C'] = '\u062D\u064A';
- t['\uFD1D'] = '\u062C\u0649';
- t['\uFD1E'] = '\u062C\u064A';
- t['\uFD1F'] = '\u062E\u0649';
- t['\uFD20'] = '\u062E\u064A';
- t['\uFD21'] = '\u0635\u0649';
- t['\uFD22'] = '\u0635\u064A';
- t['\uFD23'] = '\u0636\u0649';
- t['\uFD24'] = '\u0636\u064A';
- t['\uFD25'] = '\u0634\u062C';
- t['\uFD26'] = '\u0634\u062D';
- t['\uFD27'] = '\u0634\u062E';
- t['\uFD28'] = '\u0634\u0645';
- t['\uFD29'] = '\u0634\u0631';
- t['\uFD2A'] = '\u0633\u0631';
- t['\uFD2B'] = '\u0635\u0631';
- t['\uFD2C'] = '\u0636\u0631';
- t['\uFD2D'] = '\u0634\u062C';
- t['\uFD2E'] = '\u0634\u062D';
- t['\uFD2F'] = '\u0634\u062E';
- t['\uFD30'] = '\u0634\u0645';
- t['\uFD31'] = '\u0633\u0647';
- t['\uFD32'] = '\u0634\u0647';
- t['\uFD33'] = '\u0637\u0645';
- t['\uFD34'] = '\u0633\u062C';
- t['\uFD35'] = '\u0633\u062D';
- t['\uFD36'] = '\u0633\u062E';
- t['\uFD37'] = '\u0634\u062C';
- t['\uFD38'] = '\u0634\u062D';
- t['\uFD39'] = '\u0634\u062E';
- t['\uFD3A'] = '\u0637\u0645';
- t['\uFD3B'] = '\u0638\u0645';
- t['\uFD3C'] = '\u0627\u064B';
- t['\uFD3D'] = '\u0627\u064B';
- t['\uFD50'] = '\u062A\u062C\u0645';
- t['\uFD51'] = '\u062A\u062D\u062C';
- t['\uFD52'] = '\u062A\u062D\u062C';
- t['\uFD53'] = '\u062A\u062D\u0645';
- t['\uFD54'] = '\u062A\u062E\u0645';
- t['\uFD55'] = '\u062A\u0645\u062C';
- t['\uFD56'] = '\u062A\u0645\u062D';
- t['\uFD57'] = '\u062A\u0645\u062E';
- t['\uFD58'] = '\u062C\u0645\u062D';
- t['\uFD59'] = '\u062C\u0645\u062D';
- t['\uFD5A'] = '\u062D\u0645\u064A';
- t['\uFD5B'] = '\u062D\u0645\u0649';
- t['\uFD5C'] = '\u0633\u062D\u062C';
- t['\uFD5D'] = '\u0633\u062C\u062D';
- t['\uFD5E'] = '\u0633\u062C\u0649';
- t['\uFD5F'] = '\u0633\u0645\u062D';
- t['\uFD60'] = '\u0633\u0645\u062D';
- t['\uFD61'] = '\u0633\u0645\u062C';
- t['\uFD62'] = '\u0633\u0645\u0645';
- t['\uFD63'] = '\u0633\u0645\u0645';
- t['\uFD64'] = '\u0635\u062D\u062D';
- t['\uFD65'] = '\u0635\u062D\u062D';
- t['\uFD66'] = '\u0635\u0645\u0645';
- t['\uFD67'] = '\u0634\u062D\u0645';
- t['\uFD68'] = '\u0634\u062D\u0645';
- t['\uFD69'] = '\u0634\u062C\u064A';
- t['\uFD6A'] = '\u0634\u0645\u062E';
- t['\uFD6B'] = '\u0634\u0645\u062E';
- t['\uFD6C'] = '\u0634\u0645\u0645';
- t['\uFD6D'] = '\u0634\u0645\u0645';
- t['\uFD6E'] = '\u0636\u062D\u0649';
- t['\uFD6F'] = '\u0636\u062E\u0645';
- t['\uFD70'] = '\u0636\u062E\u0645';
- t['\uFD71'] = '\u0637\u0645\u062D';
- t['\uFD72'] = '\u0637\u0645\u062D';
- t['\uFD73'] = '\u0637\u0645\u0645';
- t['\uFD74'] = '\u0637\u0645\u064A';
- t['\uFD75'] = '\u0639\u062C\u0645';
- t['\uFD76'] = '\u0639\u0645\u0645';
- t['\uFD77'] = '\u0639\u0645\u0645';
- t['\uFD78'] = '\u0639\u0645\u0649';
- t['\uFD79'] = '\u063A\u0645\u0645';
- t['\uFD7A'] = '\u063A\u0645\u064A';
- t['\uFD7B'] = '\u063A\u0645\u0649';
- t['\uFD7C'] = '\u0641\u062E\u0645';
- t['\uFD7D'] = '\u0641\u062E\u0645';
- t['\uFD7E'] = '\u0642\u0645\u062D';
- t['\uFD7F'] = '\u0642\u0645\u0645';
- t['\uFD80'] = '\u0644\u062D\u0645';
- t['\uFD81'] = '\u0644\u062D\u064A';
- t['\uFD82'] = '\u0644\u062D\u0649';
- t['\uFD83'] = '\u0644\u062C\u062C';
- t['\uFD84'] = '\u0644\u062C\u062C';
- t['\uFD85'] = '\u0644\u062E\u0645';
- t['\uFD86'] = '\u0644\u062E\u0645';
- t['\uFD87'] = '\u0644\u0645\u062D';
- t['\uFD88'] = '\u0644\u0645\u062D';
- t['\uFD89'] = '\u0645\u062D\u062C';
- t['\uFD8A'] = '\u0645\u062D\u0645';
- t['\uFD8B'] = '\u0645\u062D\u064A';
- t['\uFD8C'] = '\u0645\u062C\u062D';
- t['\uFD8D'] = '\u0645\u062C\u0645';
- t['\uFD8E'] = '\u0645\u062E\u062C';
- t['\uFD8F'] = '\u0645\u062E\u0645';
- t['\uFD92'] = '\u0645\u062C\u062E';
- t['\uFD93'] = '\u0647\u0645\u062C';
- t['\uFD94'] = '\u0647\u0645\u0645';
- t['\uFD95'] = '\u0646\u062D\u0645';
- t['\uFD96'] = '\u0646\u062D\u0649';
- t['\uFD97'] = '\u0646\u062C\u0645';
- t['\uFD98'] = '\u0646\u062C\u0645';
- t['\uFD99'] = '\u0646\u062C\u0649';
- t['\uFD9A'] = '\u0646\u0645\u064A';
- t['\uFD9B'] = '\u0646\u0645\u0649';
- t['\uFD9C'] = '\u064A\u0645\u0645';
- t['\uFD9D'] = '\u064A\u0645\u0645';
- t['\uFD9E'] = '\u0628\u062E\u064A';
- t['\uFD9F'] = '\u062A\u062C\u064A';
- t['\uFDA0'] = '\u062A\u062C\u0649';
- t['\uFDA1'] = '\u062A\u062E\u064A';
- t['\uFDA2'] = '\u062A\u062E\u0649';
- t['\uFDA3'] = '\u062A\u0645\u064A';
- t['\uFDA4'] = '\u062A\u0645\u0649';
- t['\uFDA5'] = '\u062C\u0645\u064A';
- t['\uFDA6'] = '\u062C\u062D\u0649';
- t['\uFDA7'] = '\u062C\u0645\u0649';
- t['\uFDA8'] = '\u0633\u062E\u0649';
- t['\uFDA9'] = '\u0635\u062D\u064A';
- t['\uFDAA'] = '\u0634\u062D\u064A';
- t['\uFDAB'] = '\u0636\u062D\u064A';
- t['\uFDAC'] = '\u0644\u062C\u064A';
- t['\uFDAD'] = '\u0644\u0645\u064A';
- t['\uFDAE'] = '\u064A\u062D\u064A';
- t['\uFDAF'] = '\u064A\u062C\u064A';
- t['\uFDB0'] = '\u064A\u0645\u064A';
- t['\uFDB1'] = '\u0645\u0645\u064A';
- t['\uFDB2'] = '\u0642\u0645\u064A';
- t['\uFDB3'] = '\u0646\u062D\u064A';
- t['\uFDB4'] = '\u0642\u0645\u062D';
- t['\uFDB5'] = '\u0644\u062D\u0645';
- t['\uFDB6'] = '\u0639\u0645\u064A';
- t['\uFDB7'] = '\u0643\u0645\u064A';
- t['\uFDB8'] = '\u0646\u062C\u062D';
- t['\uFDB9'] = '\u0645\u062E\u064A';
- t['\uFDBA'] = '\u0644\u062C\u0645';
- t['\uFDBB'] = '\u0643\u0645\u0645';
- t['\uFDBC'] = '\u0644\u062C\u0645';
- t['\uFDBD'] = '\u0646\u062C\u062D';
- t['\uFDBE'] = '\u062C\u062D\u064A';
- t['\uFDBF'] = '\u062D\u062C\u064A';
- t['\uFDC0'] = '\u0645\u062C\u064A';
- t['\uFDC1'] = '\u0641\u0645\u064A';
- t['\uFDC2'] = '\u0628\u062D\u064A';
- t['\uFDC3'] = '\u0643\u0645\u0645';
- t['\uFDC4'] = '\u0639\u062C\u0645';
- t['\uFDC5'] = '\u0635\u0645\u0645';
- t['\uFDC6'] = '\u0633\u062E\u064A';
- t['\uFDC7'] = '\u0646\u062C\u064A';
- t['\uFE49'] = '\u203E';
- t['\uFE4A'] = '\u203E';
- t['\uFE4B'] = '\u203E';
- t['\uFE4C'] = '\u203E';
- t['\uFE4D'] = '\u005F';
- t['\uFE4E'] = '\u005F';
- t['\uFE4F'] = '\u005F';
- t['\uFE80'] = '\u0621';
- t['\uFE81'] = '\u0622';
- t['\uFE82'] = '\u0622';
- t['\uFE83'] = '\u0623';
- t['\uFE84'] = '\u0623';
- t['\uFE85'] = '\u0624';
- t['\uFE86'] = '\u0624';
- t['\uFE87'] = '\u0625';
- t['\uFE88'] = '\u0625';
- t['\uFE89'] = '\u0626';
- t['\uFE8A'] = '\u0626';
- t['\uFE8B'] = '\u0626';
- t['\uFE8C'] = '\u0626';
- t['\uFE8D'] = '\u0627';
- t['\uFE8E'] = '\u0627';
- t['\uFE8F'] = '\u0628';
- t['\uFE90'] = '\u0628';
- t['\uFE91'] = '\u0628';
- t['\uFE92'] = '\u0628';
- t['\uFE93'] = '\u0629';
- t['\uFE94'] = '\u0629';
- t['\uFE95'] = '\u062A';
- t['\uFE96'] = '\u062A';
- t['\uFE97'] = '\u062A';
- t['\uFE98'] = '\u062A';
- t['\uFE99'] = '\u062B';
- t['\uFE9A'] = '\u062B';
- t['\uFE9B'] = '\u062B';
- t['\uFE9C'] = '\u062B';
- t['\uFE9D'] = '\u062C';
- t['\uFE9E'] = '\u062C';
- t['\uFE9F'] = '\u062C';
- t['\uFEA0'] = '\u062C';
- t['\uFEA1'] = '\u062D';
- t['\uFEA2'] = '\u062D';
- t['\uFEA3'] = '\u062D';
- t['\uFEA4'] = '\u062D';
- t['\uFEA5'] = '\u062E';
- t['\uFEA6'] = '\u062E';
- t['\uFEA7'] = '\u062E';
- t['\uFEA8'] = '\u062E';
- t['\uFEA9'] = '\u062F';
- t['\uFEAA'] = '\u062F';
- t['\uFEAB'] = '\u0630';
- t['\uFEAC'] = '\u0630';
- t['\uFEAD'] = '\u0631';
- t['\uFEAE'] = '\u0631';
- t['\uFEAF'] = '\u0632';
- t['\uFEB0'] = '\u0632';
- t['\uFEB1'] = '\u0633';
- t['\uFEB2'] = '\u0633';
- t['\uFEB3'] = '\u0633';
- t['\uFEB4'] = '\u0633';
- t['\uFEB5'] = '\u0634';
- t['\uFEB6'] = '\u0634';
- t['\uFEB7'] = '\u0634';
- t['\uFEB8'] = '\u0634';
- t['\uFEB9'] = '\u0635';
- t['\uFEBA'] = '\u0635';
- t['\uFEBB'] = '\u0635';
- t['\uFEBC'] = '\u0635';
- t['\uFEBD'] = '\u0636';
- t['\uFEBE'] = '\u0636';
- t['\uFEBF'] = '\u0636';
- t['\uFEC0'] = '\u0636';
- t['\uFEC1'] = '\u0637';
- t['\uFEC2'] = '\u0637';
- t['\uFEC3'] = '\u0637';
- t['\uFEC4'] = '\u0637';
- t['\uFEC5'] = '\u0638';
- t['\uFEC6'] = '\u0638';
- t['\uFEC7'] = '\u0638';
- t['\uFEC8'] = '\u0638';
- t['\uFEC9'] = '\u0639';
- t['\uFECA'] = '\u0639';
- t['\uFECB'] = '\u0639';
- t['\uFECC'] = '\u0639';
- t['\uFECD'] = '\u063A';
- t['\uFECE'] = '\u063A';
- t['\uFECF'] = '\u063A';
- t['\uFED0'] = '\u063A';
- t['\uFED1'] = '\u0641';
- t['\uFED2'] = '\u0641';
- t['\uFED3'] = '\u0641';
- t['\uFED4'] = '\u0641';
- t['\uFED5'] = '\u0642';
- t['\uFED6'] = '\u0642';
- t['\uFED7'] = '\u0642';
- t['\uFED8'] = '\u0642';
- t['\uFED9'] = '\u0643';
- t['\uFEDA'] = '\u0643';
- t['\uFEDB'] = '\u0643';
- t['\uFEDC'] = '\u0643';
- t['\uFEDD'] = '\u0644';
- t['\uFEDE'] = '\u0644';
- t['\uFEDF'] = '\u0644';
- t['\uFEE0'] = '\u0644';
- t['\uFEE1'] = '\u0645';
- t['\uFEE2'] = '\u0645';
- t['\uFEE3'] = '\u0645';
- t['\uFEE4'] = '\u0645';
- t['\uFEE5'] = '\u0646';
- t['\uFEE6'] = '\u0646';
- t['\uFEE7'] = '\u0646';
- t['\uFEE8'] = '\u0646';
- t['\uFEE9'] = '\u0647';
- t['\uFEEA'] = '\u0647';
- t['\uFEEB'] = '\u0647';
- t['\uFEEC'] = '\u0647';
- t['\uFEED'] = '\u0648';
- t['\uFEEE'] = '\u0648';
- t['\uFEEF'] = '\u0649';
- t['\uFEF0'] = '\u0649';
- t['\uFEF1'] = '\u064A';
- t['\uFEF2'] = '\u064A';
- t['\uFEF3'] = '\u064A';
- t['\uFEF4'] = '\u064A';
- t['\uFEF5'] = '\u0644\u0622';
- t['\uFEF6'] = '\u0644\u0622';
- t['\uFEF7'] = '\u0644\u0623';
- t['\uFEF8'] = '\u0644\u0623';
- t['\uFEF9'] = '\u0644\u0625';
- t['\uFEFA'] = '\u0644\u0625';
- t['\uFEFB'] = '\u0644\u0627';
- t['\uFEFC'] = '\u0644\u0627';
- });
- function reverseIfRtl(chars) {
- var charsLength = chars.length;
- //reverse an arabic ligature
- if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) {
- return chars;
- }
- var s = '';
- for (var ii = charsLength - 1; ii >= 0; ii--) {
- s += chars[ii];
- }
- return s;
- }
- exports.mapSpecialUnicodeValues = mapSpecialUnicodeValues;
- exports.reverseIfRtl = reverseIfRtl;
- exports.getUnicodeRangeFor = getUnicodeRangeFor;
- exports.getNormalizedUnicodes = getNormalizedUnicodes;
- exports.getUnicodeForGlyph = getUnicodeForGlyph;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreStream = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreJbig2, root.pdfjsCoreJpg, root.pdfjsCoreJpx);
- }(this, function (exports, sharedUtil, corePrimitives, coreJbig2, coreJpg, coreJpx) {
- var Util = sharedUtil.Util;
- var error = sharedUtil.error;
- var info = sharedUtil.info;
- var isInt = sharedUtil.isInt;
- var isArray = sharedUtil.isArray;
- var createObjectURL = sharedUtil.createObjectURL;
- var shadow = sharedUtil.shadow;
- var warn = sharedUtil.warn;
- var isSpace = sharedUtil.isSpace;
- var Dict = corePrimitives.Dict;
- var isDict = corePrimitives.isDict;
- var isStream = corePrimitives.isStream;
- var Jbig2Image = coreJbig2.Jbig2Image;
- var JpegImage = coreJpg.JpegImage;
- var JpxImage = coreJpx.JpxImage;
- var Stream = function StreamClosure() {
- function Stream(arrayBuffer, start, length, dict) {
- this.bytes = arrayBuffer instanceof Uint8Array ? arrayBuffer : new Uint8Array(arrayBuffer);
- this.start = start || 0;
- this.pos = this.start;
- this.end = start + length || this.bytes.length;
- this.dict = dict;
- }
- // required methods for a stream. if a particular stream does not
- // implement these, an error should be thrown
- Stream.prototype = {
- get length() {
- return this.end - this.start;
- },
- get isEmpty() {
- return this.length === 0;
- },
- getByte: function Stream_getByte() {
- if (this.pos >= this.end) {
- return -1;
- }
- return this.bytes[this.pos++];
- },
- getUint16: function Stream_getUint16() {
- var b0 = this.getByte();
- var b1 = this.getByte();
- if (b0 === -1 || b1 === -1) {
- return -1;
- }
- return (b0 << 8) + b1;
- },
- getInt32: function Stream_getInt32() {
- var b0 = this.getByte();
- var b1 = this.getByte();
- var b2 = this.getByte();
- var b3 = this.getByte();
- return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
- },
- // returns subarray of original buffer
- // should only be read
- getBytes: function Stream_getBytes(length) {
- var bytes = this.bytes;
- var pos = this.pos;
- var strEnd = this.end;
- if (!length) {
- return bytes.subarray(pos, strEnd);
- }
- var end = pos + length;
- if (end > strEnd) {
- end = strEnd;
- }
- this.pos = end;
- return bytes.subarray(pos, end);
- },
- peekByte: function Stream_peekByte() {
- var peekedByte = this.getByte();
- this.pos--;
- return peekedByte;
- },
- peekBytes: function Stream_peekBytes(length) {
- var bytes = this.getBytes(length);
- this.pos -= bytes.length;
- return bytes;
- },
- skip: function Stream_skip(n) {
- if (!n) {
- n = 1;
- }
- this.pos += n;
- },
- reset: function Stream_reset() {
- this.pos = this.start;
- },
- moveStart: function Stream_moveStart() {
- this.start = this.pos;
- },
- makeSubStream: function Stream_makeSubStream(start, length, dict) {
- return new Stream(this.bytes.buffer, start, length, dict);
- },
- isStream: true
- };
- return Stream;
- }();
- var StringStream = function StringStreamClosure() {
- function StringStream(str) {
- var length = str.length;
- var bytes = new Uint8Array(length);
- for (var n = 0; n < length; ++n) {
- bytes[n] = str.charCodeAt(n);
- }
- Stream.call(this, bytes);
- }
- StringStream.prototype = Stream.prototype;
- return StringStream;
- }();
- // super class for the decoding streams
- var DecodeStream = function DecodeStreamClosure() {
- // Lots of DecodeStreams are created whose buffers are never used. For these
- // we share a single empty buffer. This is (a) space-efficient and (b) avoids
- // having special cases that would be required if we used |null| for an empty
- // buffer.
- var emptyBuffer = new Uint8Array(0);
- function DecodeStream(maybeMinBufferLength) {
- this.pos = 0;
- this.bufferLength = 0;
- this.eof = false;
- this.buffer = emptyBuffer;
- this.minBufferLength = 512;
- if (maybeMinBufferLength) {
- // Compute the first power of two that is as big as maybeMinBufferLength.
- while (this.minBufferLength < maybeMinBufferLength) {
- this.minBufferLength *= 2;
- }
- }
- }
- DecodeStream.prototype = {
- get isEmpty() {
- while (!this.eof && this.bufferLength === 0) {
- this.readBlock();
- }
- return this.bufferLength === 0;
- },
- ensureBuffer: function DecodeStream_ensureBuffer(requested) {
- var buffer = this.buffer;
- if (requested <= buffer.byteLength) {
- return buffer;
- }
- var size = this.minBufferLength;
- while (size < requested) {
- size *= 2;
- }
- var buffer2 = new Uint8Array(size);
- buffer2.set(buffer);
- return this.buffer = buffer2;
- },
- getByte: function DecodeStream_getByte() {
- var pos = this.pos;
- while (this.bufferLength <= pos) {
- if (this.eof) {
- return -1;
- }
- this.readBlock();
- }
- return this.buffer[this.pos++];
- },
- getUint16: function DecodeStream_getUint16() {
- var b0 = this.getByte();
- var b1 = this.getByte();
- if (b0 === -1 || b1 === -1) {
- return -1;
- }
- return (b0 << 8) + b1;
- },
- getInt32: function DecodeStream_getInt32() {
- var b0 = this.getByte();
- var b1 = this.getByte();
- var b2 = this.getByte();
- var b3 = this.getByte();
- return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
- },
- getBytes: function DecodeStream_getBytes(length) {
- var end, pos = this.pos;
- if (length) {
- this.ensureBuffer(pos + length);
- end = pos + length;
- while (!this.eof && this.bufferLength < end) {
- this.readBlock();
- }
- var bufEnd = this.bufferLength;
- if (end > bufEnd) {
- end = bufEnd;
- }
- } else {
- while (!this.eof) {
- this.readBlock();
- }
- end = this.bufferLength;
- }
- this.pos = end;
- return this.buffer.subarray(pos, end);
- },
- peekByte: function DecodeStream_peekByte() {
- var peekedByte = this.getByte();
- this.pos--;
- return peekedByte;
- },
- peekBytes: function DecodeStream_peekBytes(length) {
- var bytes = this.getBytes(length);
- this.pos -= bytes.length;
- return bytes;
- },
- makeSubStream: function DecodeStream_makeSubStream(start, length, dict) {
- var end = start + length;
- while (this.bufferLength <= end && !this.eof) {
- this.readBlock();
- }
- return new Stream(this.buffer, start, length, dict);
- },
- skip: function DecodeStream_skip(n) {
- if (!n) {
- n = 1;
- }
- this.pos += n;
- },
- reset: function DecodeStream_reset() {
- this.pos = 0;
- },
- getBaseStreams: function DecodeStream_getBaseStreams() {
- if (this.str && this.str.getBaseStreams) {
- return this.str.getBaseStreams();
- }
- return [];
- }
- };
- return DecodeStream;
- }();
- var StreamsSequenceStream = function StreamsSequenceStreamClosure() {
- function StreamsSequenceStream(streams) {
- this.streams = streams;
- DecodeStream.call(this, /* maybeLength = */
- null);
- }
- StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype);
- StreamsSequenceStream.prototype.readBlock = function streamSequenceStreamReadBlock() {
- var streams = this.streams;
- if (streams.length === 0) {
- this.eof = true;
- return;
- }
- var stream = streams.shift();
- var chunk = stream.getBytes();
- var bufferLength = this.bufferLength;
- var newLength = bufferLength + chunk.length;
- var buffer = this.ensureBuffer(newLength);
- buffer.set(chunk, bufferLength);
- this.bufferLength = newLength;
- };
- StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() {
- var baseStreams = [];
- for (var i = 0, ii = this.streams.length; i < ii; i++) {
- var stream = this.streams[i];
- if (stream.getBaseStreams) {
- Util.appendToArray(baseStreams, stream.getBaseStreams());
- }
- }
- return baseStreams;
- };
- return StreamsSequenceStream;
- }();
- var FlateStream = function FlateStreamClosure() {
- var codeLenCodeMap = new Int32Array([
- 16,
- 17,
- 18,
- 0,
- 8,
- 7,
- 9,
- 6,
- 10,
- 5,
- 11,
- 4,
- 12,
- 3,
- 13,
- 2,
- 14,
- 1,
- 15
- ]);
- var lengthDecode = new Int32Array([
- 0x00003,
- 0x00004,
- 0x00005,
- 0x00006,
- 0x00007,
- 0x00008,
- 0x00009,
- 0x0000a,
- 0x1000b,
- 0x1000d,
- 0x1000f,
- 0x10011,
- 0x20013,
- 0x20017,
- 0x2001b,
- 0x2001f,
- 0x30023,
- 0x3002b,
- 0x30033,
- 0x3003b,
- 0x40043,
- 0x40053,
- 0x40063,
- 0x40073,
- 0x50083,
- 0x500a3,
- 0x500c3,
- 0x500e3,
- 0x00102,
- 0x00102,
- 0x00102
- ]);
- var distDecode = new Int32Array([
- 0x00001,
- 0x00002,
- 0x00003,
- 0x00004,
- 0x10005,
- 0x10007,
- 0x20009,
- 0x2000d,
- 0x30011,
- 0x30019,
- 0x40021,
- 0x40031,
- 0x50041,
- 0x50061,
- 0x60081,
- 0x600c1,
- 0x70101,
- 0x70181,
- 0x80201,
- 0x80301,
- 0x90401,
- 0x90601,
- 0xa0801,
- 0xa0c01,
- 0xb1001,
- 0xb1801,
- 0xc2001,
- 0xc3001,
- 0xd4001,
- 0xd6001
- ]);
- var fixedLitCodeTab = [
- new Int32Array([
- 0x70100,
- 0x80050,
- 0x80010,
- 0x80118,
- 0x70110,
- 0x80070,
- 0x80030,
- 0x900c0,
- 0x70108,
- 0x80060,
- 0x80020,
- 0x900a0,
- 0x80000,
- 0x80080,
- 0x80040,
- 0x900e0,
- 0x70104,
- 0x80058,
- 0x80018,
- 0x90090,
- 0x70114,
- 0x80078,
- 0x80038,
- 0x900d0,
- 0x7010c,
- 0x80068,
- 0x80028,
- 0x900b0,
- 0x80008,
- 0x80088,
- 0x80048,
- 0x900f0,
- 0x70102,
- 0x80054,
- 0x80014,
- 0x8011c,
- 0x70112,
- 0x80074,
- 0x80034,
- 0x900c8,
- 0x7010a,
- 0x80064,
- 0x80024,
- 0x900a8,
- 0x80004,
- 0x80084,
- 0x80044,
- 0x900e8,
- 0x70106,
- 0x8005c,
- 0x8001c,
- 0x90098,
- 0x70116,
- 0x8007c,
- 0x8003c,
- 0x900d8,
- 0x7010e,
- 0x8006c,
- 0x8002c,
- 0x900b8,
- 0x8000c,
- 0x8008c,
- 0x8004c,
- 0x900f8,
- 0x70101,
- 0x80052,
- 0x80012,
- 0x8011a,
- 0x70111,
- 0x80072,
- 0x80032,
- 0x900c4,
- 0x70109,
- 0x80062,
- 0x80022,
- 0x900a4,
- 0x80002,
- 0x80082,
- 0x80042,
- 0x900e4,
- 0x70105,
- 0x8005a,
- 0x8001a,
- 0x90094,
- 0x70115,
- 0x8007a,
- 0x8003a,
- 0x900d4,
- 0x7010d,
- 0x8006a,
- 0x8002a,
- 0x900b4,
- 0x8000a,
- 0x8008a,
- 0x8004a,
- 0x900f4,
- 0x70103,
- 0x80056,
- 0x80016,
- 0x8011e,
- 0x70113,
- 0x80076,
- 0x80036,
- 0x900cc,
- 0x7010b,
- 0x80066,
- 0x80026,
- 0x900ac,
- 0x80006,
- 0x80086,
- 0x80046,
- 0x900ec,
- 0x70107,
- 0x8005e,
- 0x8001e,
- 0x9009c,
- 0x70117,
- 0x8007e,
- 0x8003e,
- 0x900dc,
- 0x7010f,
- 0x8006e,
- 0x8002e,
- 0x900bc,
- 0x8000e,
- 0x8008e,
- 0x8004e,
- 0x900fc,
- 0x70100,
- 0x80051,
- 0x80011,
- 0x80119,
- 0x70110,
- 0x80071,
- 0x80031,
- 0x900c2,
- 0x70108,
- 0x80061,
- 0x80021,
- 0x900a2,
- 0x80001,
- 0x80081,
- 0x80041,
- 0x900e2,
- 0x70104,
- 0x80059,
- 0x80019,
- 0x90092,
- 0x70114,
- 0x80079,
- 0x80039,
- 0x900d2,
- 0x7010c,
- 0x80069,
- 0x80029,
- 0x900b2,
- 0x80009,
- 0x80089,
- 0x80049,
- 0x900f2,
- 0x70102,
- 0x80055,
- 0x80015,
- 0x8011d,
- 0x70112,
- 0x80075,
- 0x80035,
- 0x900ca,
- 0x7010a,
- 0x80065,
- 0x80025,
- 0x900aa,
- 0x80005,
- 0x80085,
- 0x80045,
- 0x900ea,
- 0x70106,
- 0x8005d,
- 0x8001d,
- 0x9009a,
- 0x70116,
- 0x8007d,
- 0x8003d,
- 0x900da,
- 0x7010e,
- 0x8006d,
- 0x8002d,
- 0x900ba,
- 0x8000d,
- 0x8008d,
- 0x8004d,
- 0x900fa,
- 0x70101,
- 0x80053,
- 0x80013,
- 0x8011b,
- 0x70111,
- 0x80073,
- 0x80033,
- 0x900c6,
- 0x70109,
- 0x80063,
- 0x80023,
- 0x900a6,
- 0x80003,
- 0x80083,
- 0x80043,
- 0x900e6,
- 0x70105,
- 0x8005b,
- 0x8001b,
- 0x90096,
- 0x70115,
- 0x8007b,
- 0x8003b,
- 0x900d6,
- 0x7010d,
- 0x8006b,
- 0x8002b,
- 0x900b6,
- 0x8000b,
- 0x8008b,
- 0x8004b,
- 0x900f6,
- 0x70103,
- 0x80057,
- 0x80017,
- 0x8011f,
- 0x70113,
- 0x80077,
- 0x80037,
- 0x900ce,
- 0x7010b,
- 0x80067,
- 0x80027,
- 0x900ae,
- 0x80007,
- 0x80087,
- 0x80047,
- 0x900ee,
- 0x70107,
- 0x8005f,
- 0x8001f,
- 0x9009e,
- 0x70117,
- 0x8007f,
- 0x8003f,
- 0x900de,
- 0x7010f,
- 0x8006f,
- 0x8002f,
- 0x900be,
- 0x8000f,
- 0x8008f,
- 0x8004f,
- 0x900fe,
- 0x70100,
- 0x80050,
- 0x80010,
- 0x80118,
- 0x70110,
- 0x80070,
- 0x80030,
- 0x900c1,
- 0x70108,
- 0x80060,
- 0x80020,
- 0x900a1,
- 0x80000,
- 0x80080,
- 0x80040,
- 0x900e1,
- 0x70104,
- 0x80058,
- 0x80018,
- 0x90091,
- 0x70114,
- 0x80078,
- 0x80038,
- 0x900d1,
- 0x7010c,
- 0x80068,
- 0x80028,
- 0x900b1,
- 0x80008,
- 0x80088,
- 0x80048,
- 0x900f1,
- 0x70102,
- 0x80054,
- 0x80014,
- 0x8011c,
- 0x70112,
- 0x80074,
- 0x80034,
- 0x900c9,
- 0x7010a,
- 0x80064,
- 0x80024,
- 0x900a9,
- 0x80004,
- 0x80084,
- 0x80044,
- 0x900e9,
- 0x70106,
- 0x8005c,
- 0x8001c,
- 0x90099,
- 0x70116,
- 0x8007c,
- 0x8003c,
- 0x900d9,
- 0x7010e,
- 0x8006c,
- 0x8002c,
- 0x900b9,
- 0x8000c,
- 0x8008c,
- 0x8004c,
- 0x900f9,
- 0x70101,
- 0x80052,
- 0x80012,
- 0x8011a,
- 0x70111,
- 0x80072,
- 0x80032,
- 0x900c5,
- 0x70109,
- 0x80062,
- 0x80022,
- 0x900a5,
- 0x80002,
- 0x80082,
- 0x80042,
- 0x900e5,
- 0x70105,
- 0x8005a,
- 0x8001a,
- 0x90095,
- 0x70115,
- 0x8007a,
- 0x8003a,
- 0x900d5,
- 0x7010d,
- 0x8006a,
- 0x8002a,
- 0x900b5,
- 0x8000a,
- 0x8008a,
- 0x8004a,
- 0x900f5,
- 0x70103,
- 0x80056,
- 0x80016,
- 0x8011e,
- 0x70113,
- 0x80076,
- 0x80036,
- 0x900cd,
- 0x7010b,
- 0x80066,
- 0x80026,
- 0x900ad,
- 0x80006,
- 0x80086,
- 0x80046,
- 0x900ed,
- 0x70107,
- 0x8005e,
- 0x8001e,
- 0x9009d,
- 0x70117,
- 0x8007e,
- 0x8003e,
- 0x900dd,
- 0x7010f,
- 0x8006e,
- 0x8002e,
- 0x900bd,
- 0x8000e,
- 0x8008e,
- 0x8004e,
- 0x900fd,
- 0x70100,
- 0x80051,
- 0x80011,
- 0x80119,
- 0x70110,
- 0x80071,
- 0x80031,
- 0x900c3,
- 0x70108,
- 0x80061,
- 0x80021,
- 0x900a3,
- 0x80001,
- 0x80081,
- 0x80041,
- 0x900e3,
- 0x70104,
- 0x80059,
- 0x80019,
- 0x90093,
- 0x70114,
- 0x80079,
- 0x80039,
- 0x900d3,
- 0x7010c,
- 0x80069,
- 0x80029,
- 0x900b3,
- 0x80009,
- 0x80089,
- 0x80049,
- 0x900f3,
- 0x70102,
- 0x80055,
- 0x80015,
- 0x8011d,
- 0x70112,
- 0x80075,
- 0x80035,
- 0x900cb,
- 0x7010a,
- 0x80065,
- 0x80025,
- 0x900ab,
- 0x80005,
- 0x80085,
- 0x80045,
- 0x900eb,
- 0x70106,
- 0x8005d,
- 0x8001d,
- 0x9009b,
- 0x70116,
- 0x8007d,
- 0x8003d,
- 0x900db,
- 0x7010e,
- 0x8006d,
- 0x8002d,
- 0x900bb,
- 0x8000d,
- 0x8008d,
- 0x8004d,
- 0x900fb,
- 0x70101,
- 0x80053,
- 0x80013,
- 0x8011b,
- 0x70111,
- 0x80073,
- 0x80033,
- 0x900c7,
- 0x70109,
- 0x80063,
- 0x80023,
- 0x900a7,
- 0x80003,
- 0x80083,
- 0x80043,
- 0x900e7,
- 0x70105,
- 0x8005b,
- 0x8001b,
- 0x90097,
- 0x70115,
- 0x8007b,
- 0x8003b,
- 0x900d7,
- 0x7010d,
- 0x8006b,
- 0x8002b,
- 0x900b7,
- 0x8000b,
- 0x8008b,
- 0x8004b,
- 0x900f7,
- 0x70103,
- 0x80057,
- 0x80017,
- 0x8011f,
- 0x70113,
- 0x80077,
- 0x80037,
- 0x900cf,
- 0x7010b,
- 0x80067,
- 0x80027,
- 0x900af,
- 0x80007,
- 0x80087,
- 0x80047,
- 0x900ef,
- 0x70107,
- 0x8005f,
- 0x8001f,
- 0x9009f,
- 0x70117,
- 0x8007f,
- 0x8003f,
- 0x900df,
- 0x7010f,
- 0x8006f,
- 0x8002f,
- 0x900bf,
- 0x8000f,
- 0x8008f,
- 0x8004f,
- 0x900ff
- ]),
- 9
- ];
- var fixedDistCodeTab = [
- new Int32Array([
- 0x50000,
- 0x50010,
- 0x50008,
- 0x50018,
- 0x50004,
- 0x50014,
- 0x5000c,
- 0x5001c,
- 0x50002,
- 0x50012,
- 0x5000a,
- 0x5001a,
- 0x50006,
- 0x50016,
- 0x5000e,
- 0x00000,
- 0x50001,
- 0x50011,
- 0x50009,
- 0x50019,
- 0x50005,
- 0x50015,
- 0x5000d,
- 0x5001d,
- 0x50003,
- 0x50013,
- 0x5000b,
- 0x5001b,
- 0x50007,
- 0x50017,
- 0x5000f,
- 0x00000
- ]),
- 5
- ];
- function FlateStream(str, maybeLength) {
- this.str = str;
- this.dict = str.dict;
- var cmf = str.getByte();
- var flg = str.getByte();
- if (cmf === -1 || flg === -1) {
- error('Invalid header in flate stream: ' + cmf + ', ' + flg);
- }
- if ((cmf & 0x0f) !== 0x08) {
- error('Unknown compression method in flate stream: ' + cmf + ', ' + flg);
- }
- if (((cmf << 8) + flg) % 31 !== 0) {
- error('Bad FCHECK in flate stream: ' + cmf + ', ' + flg);
- }
- if (flg & 0x20) {
- error('FDICT bit set in flate stream: ' + cmf + ', ' + flg);
- }
- this.codeSize = 0;
- this.codeBuf = 0;
- DecodeStream.call(this, maybeLength);
- }
- FlateStream.prototype = Object.create(DecodeStream.prototype);
- FlateStream.prototype.getBits = function FlateStream_getBits(bits) {
- var str = this.str;
- var codeSize = this.codeSize;
- var codeBuf = this.codeBuf;
- var b;
- while (codeSize < bits) {
- if ((b = str.getByte()) === -1) {
- error('Bad encoding in flate stream');
- }
- codeBuf |= b << codeSize;
- codeSize += 8;
- }
- b = codeBuf & (1 << bits) - 1;
- this.codeBuf = codeBuf >> bits;
- this.codeSize = codeSize -= bits;
- return b;
- };
- FlateStream.prototype.getCode = function FlateStream_getCode(table) {
- var str = this.str;
- var codes = table[0];
- var maxLen = table[1];
- var codeSize = this.codeSize;
- var codeBuf = this.codeBuf;
- var b;
- while (codeSize < maxLen) {
- if ((b = str.getByte()) === -1) {
- // premature end of stream. code might however still be valid.
- // codeSize < codeLen check below guards against incomplete codeVal.
- break;
- }
- codeBuf |= b << codeSize;
- codeSize += 8;
- }
- var code = codes[codeBuf & (1 << maxLen) - 1];
- var codeLen = code >> 16;
- var codeVal = code & 0xffff;
- if (codeLen < 1 || codeSize < codeLen) {
- error('Bad encoding in flate stream');
- }
- this.codeBuf = codeBuf >> codeLen;
- this.codeSize = codeSize - codeLen;
- return codeVal;
- };
- FlateStream.prototype.generateHuffmanTable = function flateStreamGenerateHuffmanTable(lengths) {
- var n = lengths.length;
- // find max code length
- var maxLen = 0;
- var i;
- for (i = 0; i < n; ++i) {
- if (lengths[i] > maxLen) {
- maxLen = lengths[i];
- }
- }
- // build the table
- var size = 1 << maxLen;
- var codes = new Int32Array(size);
- for (var len = 1, code = 0, skip = 2; len <= maxLen; ++len, code <<= 1, skip <<= 1) {
- for (var val = 0; val < n; ++val) {
- if (lengths[val] === len) {
- // bit-reverse the code
- var code2 = 0;
- var t = code;
- for (i = 0; i < len; ++i) {
- code2 = code2 << 1 | t & 1;
- t >>= 1;
- }
- // fill the table entries
- for (i = code2; i < size; i += skip) {
- codes[i] = len << 16 | val;
- }
- ++code;
- }
- }
- }
- return [
- codes,
- maxLen
- ];
- };
- FlateStream.prototype.readBlock = function FlateStream_readBlock() {
- var buffer, len;
- var str = this.str;
- // read block header
- var hdr = this.getBits(3);
- if (hdr & 1) {
- this.eof = true;
- }
- hdr >>= 1;
- if (hdr === 0) {
- // uncompressed block
- var b;
- if ((b = str.getByte()) === -1) {
- error('Bad block header in flate stream');
- }
- var blockLen = b;
- if ((b = str.getByte()) === -1) {
- error('Bad block header in flate stream');
- }
- blockLen |= b << 8;
- if ((b = str.getByte()) === -1) {
- error('Bad block header in flate stream');
- }
- var check = b;
- if ((b = str.getByte()) === -1) {
- error('Bad block header in flate stream');
- }
- check |= b << 8;
- if (check !== (~blockLen & 0xffff) && (blockLen !== 0 || check !== 0)) {
- // Ignoring error for bad "empty" block (see issue 1277)
- error('Bad uncompressed block length in flate stream');
- }
- this.codeBuf = 0;
- this.codeSize = 0;
- var bufferLength = this.bufferLength;
- buffer = this.ensureBuffer(bufferLength + blockLen);
- var end = bufferLength + blockLen;
- this.bufferLength = end;
- if (blockLen === 0) {
- if (str.peekByte() === -1) {
- this.eof = true;
- }
- } else {
- for (var n = bufferLength; n < end; ++n) {
- if ((b = str.getByte()) === -1) {
- this.eof = true;
- break;
- }
- buffer[n] = b;
- }
- }
- return;
- }
- var litCodeTable;
- var distCodeTable;
- if (hdr === 1) {
- // compressed block, fixed codes
- litCodeTable = fixedLitCodeTab;
- distCodeTable = fixedDistCodeTab;
- } else if (hdr === 2) {
- // compressed block, dynamic codes
- var numLitCodes = this.getBits(5) + 257;
- var numDistCodes = this.getBits(5) + 1;
- var numCodeLenCodes = this.getBits(4) + 4;
- // build the code lengths code table
- var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length);
- var i;
- for (i = 0; i < numCodeLenCodes; ++i) {
- codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3);
- }
- var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths);
- // build the literal and distance code tables
- len = 0;
- i = 0;
- var codes = numLitCodes + numDistCodes;
- var codeLengths = new Uint8Array(codes);
- var bitsLength, bitsOffset, what;
- while (i < codes) {
- var code = this.getCode(codeLenCodeTab);
- if (code === 16) {
- bitsLength = 2;
- bitsOffset = 3;
- what = len;
- } else if (code === 17) {
- bitsLength = 3;
- bitsOffset = 3;
- what = len = 0;
- } else if (code === 18) {
- bitsLength = 7;
- bitsOffset = 11;
- what = len = 0;
- } else {
- codeLengths[i++] = len = code;
- continue;
- }
- var repeatLength = this.getBits(bitsLength) + bitsOffset;
- while (repeatLength-- > 0) {
- codeLengths[i++] = what;
- }
- }
- litCodeTable = this.generateHuffmanTable(codeLengths.subarray(0, numLitCodes));
- distCodeTable = this.generateHuffmanTable(codeLengths.subarray(numLitCodes, codes));
- } else {
- error('Unknown block type in flate stream');
- }
- buffer = this.buffer;
- var limit = buffer ? buffer.length : 0;
- var pos = this.bufferLength;
- while (true) {
- var code1 = this.getCode(litCodeTable);
- if (code1 < 256) {
- if (pos + 1 >= limit) {
- buffer = this.ensureBuffer(pos + 1);
- limit = buffer.length;
- }
- buffer[pos++] = code1;
- continue;
- }
- if (code1 === 256) {
- this.bufferLength = pos;
- return;
- }
- code1 -= 257;
- code1 = lengthDecode[code1];
- var code2 = code1 >> 16;
- if (code2 > 0) {
- code2 = this.getBits(code2);
- }
- len = (code1 & 0xffff) + code2;
- code1 = this.getCode(distCodeTable);
- code1 = distDecode[code1];
- code2 = code1 >> 16;
- if (code2 > 0) {
- code2 = this.getBits(code2);
- }
- var dist = (code1 & 0xffff) + code2;
- if (pos + len >= limit) {
- buffer = this.ensureBuffer(pos + len);
- limit = buffer.length;
- }
- for (var k = 0; k < len; ++k, ++pos) {
- buffer[pos] = buffer[pos - dist];
- }
- }
- };
- return FlateStream;
- }();
- var PredictorStream = function PredictorStreamClosure() {
- function PredictorStream(str, maybeLength, params) {
- if (!isDict(params)) {
- return str;
- }
- // no prediction
- var predictor = this.predictor = params.get('Predictor') || 1;
- if (predictor <= 1) {
- return str;
- }
- // no prediction
- if (predictor !== 2 && (predictor < 10 || predictor > 15)) {
- error('Unsupported predictor: ' + predictor);
- }
- if (predictor === 2) {
- this.readBlock = this.readBlockTiff;
- } else {
- this.readBlock = this.readBlockPng;
- }
- this.str = str;
- this.dict = str.dict;
- var colors = this.colors = params.get('Colors') || 1;
- var bits = this.bits = params.get('BitsPerComponent') || 8;
- var columns = this.columns = params.get('Columns') || 1;
- this.pixBytes = colors * bits + 7 >> 3;
- this.rowBytes = columns * colors * bits + 7 >> 3;
- DecodeStream.call(this, maybeLength);
- return this;
- }
- PredictorStream.prototype = Object.create(DecodeStream.prototype);
- PredictorStream.prototype.readBlockTiff = function predictorStreamReadBlockTiff() {
- var rowBytes = this.rowBytes;
- var bufferLength = this.bufferLength;
- var buffer = this.ensureBuffer(bufferLength + rowBytes);
- var bits = this.bits;
- var colors = this.colors;
- var rawBytes = this.str.getBytes(rowBytes);
- this.eof = !rawBytes.length;
- if (this.eof) {
- return;
- }
- var inbuf = 0, outbuf = 0;
- var inbits = 0, outbits = 0;
- var pos = bufferLength;
- var i;
- if (bits === 1) {
- for (i = 0; i < rowBytes; ++i) {
- var c = rawBytes[i];
- inbuf = inbuf << 8 | c;
- // bitwise addition is exclusive or
- // first shift inbuf and then add
- buffer[pos++] = (c ^ inbuf >> colors) & 0xFF;
- // truncate inbuf (assumes colors < 16)
- inbuf &= 0xFFFF;
- }
- } else if (bits === 8) {
- for (i = 0; i < colors; ++i) {
- buffer[pos++] = rawBytes[i];
- }
- for (; i < rowBytes; ++i) {
- buffer[pos] = buffer[pos - colors] + rawBytes[i];
- pos++;
- }
- } else {
- var compArray = new Uint8Array(colors + 1);
- var bitMask = (1 << bits) - 1;
- var j = 0, k = bufferLength;
- var columns = this.columns;
- for (i = 0; i < columns; ++i) {
- for (var kk = 0; kk < colors; ++kk) {
- if (inbits < bits) {
- inbuf = inbuf << 8 | rawBytes[j++] & 0xFF;
- inbits += 8;
- }
- compArray[kk] = compArray[kk] + (inbuf >> inbits - bits) & bitMask;
- inbits -= bits;
- outbuf = outbuf << bits | compArray[kk];
- outbits += bits;
- if (outbits >= 8) {
- buffer[k++] = outbuf >> outbits - 8 & 0xFF;
- outbits -= 8;
- }
- }
- }
- if (outbits > 0) {
- buffer[k++] = (outbuf << 8 - outbits) + (inbuf & (1 << 8 - outbits) - 1);
- }
- }
- this.bufferLength += rowBytes;
- };
- PredictorStream.prototype.readBlockPng = function predictorStreamReadBlockPng() {
- var rowBytes = this.rowBytes;
- var pixBytes = this.pixBytes;
- var predictor = this.str.getByte();
- var rawBytes = this.str.getBytes(rowBytes);
- this.eof = !rawBytes.length;
- if (this.eof) {
- return;
- }
- var bufferLength = this.bufferLength;
- var buffer = this.ensureBuffer(bufferLength + rowBytes);
- var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);
- if (prevRow.length === 0) {
- prevRow = new Uint8Array(rowBytes);
- }
- var i, j = bufferLength, up, c;
- switch (predictor) {
- case 0:
- for (i = 0; i < rowBytes; ++i) {
- buffer[j++] = rawBytes[i];
- }
- break;
- case 1:
- for (i = 0; i < pixBytes; ++i) {
- buffer[j++] = rawBytes[i];
- }
- for (; i < rowBytes; ++i) {
- buffer[j] = buffer[j - pixBytes] + rawBytes[i] & 0xFF;
- j++;
- }
- break;
- case 2:
- for (i = 0; i < rowBytes; ++i) {
- buffer[j++] = prevRow[i] + rawBytes[i] & 0xFF;
- }
- break;
- case 3:
- for (i = 0; i < pixBytes; ++i) {
- buffer[j++] = (prevRow[i] >> 1) + rawBytes[i];
- }
- for (; i < rowBytes; ++i) {
- buffer[j] = (prevRow[i] + buffer[j - pixBytes] >> 1) + rawBytes[i] & 0xFF;
- j++;
- }
- break;
- case 4:
- // we need to save the up left pixels values. the simplest way
- // is to create a new buffer
- for (i = 0; i < pixBytes; ++i) {
- up = prevRow[i];
- c = rawBytes[i];
- buffer[j++] = up + c;
- }
- for (; i < rowBytes; ++i) {
- up = prevRow[i];
- var upLeft = prevRow[i - pixBytes];
- var left = buffer[j - pixBytes];
- var p = left + up - upLeft;
- var pa = p - left;
- if (pa < 0) {
- pa = -pa;
- }
- var pb = p - up;
- if (pb < 0) {
- pb = -pb;
- }
- var pc = p - upLeft;
- if (pc < 0) {
- pc = -pc;
- }
- c = rawBytes[i];
- if (pa <= pb && pa <= pc) {
- buffer[j++] = left + c;
- } else if (pb <= pc) {
- buffer[j++] = up + c;
- } else {
- buffer[j++] = upLeft + c;
- }
- }
- break;
- default:
- error('Unsupported predictor: ' + predictor);
- }
- this.bufferLength += rowBytes;
- };
- return PredictorStream;
- }();
- /**
- * Depending on the type of JPEG a JpegStream is handled in different ways. For
- * JPEG's that are supported natively such as DeviceGray and DeviceRGB the image
- * data is stored and then loaded by the browser. For unsupported JPEG's we use
- * a library to decode these images and the stream behaves like all the other
- * DecodeStreams.
- */
- var JpegStream = function JpegStreamClosure() {
- function JpegStream(stream, maybeLength, dict, params) {
- // Some images may contain 'junk' before the SOI (start-of-image) marker.
- // Note: this seems to mainly affect inline images.
- var ch;
- while ((ch = stream.getByte()) !== -1) {
- if (ch === 0xFF) {
- // Find the first byte of the SOI marker (0xFFD8).
- stream.skip(-1);
- // Reset the stream position to the SOI.
- break;
- }
- }
- this.stream = stream;
- this.maybeLength = maybeLength;
- this.dict = dict;
- this.params = params;
- DecodeStream.call(this, maybeLength);
- }
- JpegStream.prototype = Object.create(DecodeStream.prototype);
- Object.defineProperty(JpegStream.prototype, 'bytes', {
- get: function JpegStream_bytes() {
- // If this.maybeLength is null, we'll get the entire stream.
- return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength));
- },
- configurable: true
- });
- JpegStream.prototype.ensureBuffer = function JpegStream_ensureBuffer(req) {
- if (this.bufferLength) {
- return;
- }
- var jpegImage = new JpegImage();
- // Checking if values need to be transformed before conversion.
- var decodeArr = this.dict.getArray('Decode', 'D');
- if (this.forceRGB && isArray(decodeArr)) {
- var bitsPerComponent = this.dict.get('BitsPerComponent') || 8;
- var decodeArrLength = decodeArr.length;
- var transform = new Int32Array(decodeArrLength);
- var transformNeeded = false;
- var maxValue = (1 << bitsPerComponent) - 1;
- for (var i = 0; i < decodeArrLength; i += 2) {
- transform[i] = (decodeArr[i + 1] - decodeArr[i]) * 256 | 0;
- transform[i + 1] = decodeArr[i] * maxValue | 0;
- if (transform[i] !== 256 || transform[i + 1] !== 0) {
- transformNeeded = true;
- }
- }
- if (transformNeeded) {
- jpegImage.decodeTransform = transform;
- }
- }
- // Fetching the 'ColorTransform' entry, if it exists.
- if (isDict(this.params)) {
- var colorTransform = this.params.get('ColorTransform');
- if (isInt(colorTransform)) {
- jpegImage.colorTransform = colorTransform;
- }
- }
- jpegImage.parse(this.bytes);
- var data = jpegImage.getData(this.drawWidth, this.drawHeight, this.forceRGB);
- this.buffer = data;
- this.bufferLength = data.length;
- this.eof = true;
- };
- JpegStream.prototype.getBytes = function JpegStream_getBytes(length) {
- this.ensureBuffer();
- return this.buffer;
- };
- JpegStream.prototype.getIR = function JpegStream_getIR(forceDataSchema) {
- return createObjectURL(this.bytes, 'image/jpeg', forceDataSchema);
- };
- return JpegStream;
- }();
- /**
- * For JPEG 2000's we use a library to decode these images and
- * the stream behaves like all the other DecodeStreams.
- */
- var JpxStream = function JpxStreamClosure() {
- function JpxStream(stream, maybeLength, dict, params) {
- this.stream = stream;
- this.maybeLength = maybeLength;
- this.dict = dict;
- this.params = params;
- DecodeStream.call(this, maybeLength);
- }
- JpxStream.prototype = Object.create(DecodeStream.prototype);
- Object.defineProperty(JpxStream.prototype, 'bytes', {
- get: function JpxStream_bytes() {
- // If this.maybeLength is null, we'll get the entire stream.
- return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength));
- },
- configurable: true
- });
- JpxStream.prototype.ensureBuffer = function JpxStream_ensureBuffer(req) {
- if (this.bufferLength) {
- return;
- }
- var jpxImage = new JpxImage();
- jpxImage.parse(this.bytes);
- var width = jpxImage.width;
- var height = jpxImage.height;
- var componentsCount = jpxImage.componentsCount;
- var tileCount = jpxImage.tiles.length;
- if (tileCount === 1) {
- this.buffer = jpxImage.tiles[0].items;
- } else {
- var data = new Uint8Array(width * height * componentsCount);
- for (var k = 0; k < tileCount; k++) {
- var tileComponents = jpxImage.tiles[k];
- var tileWidth = tileComponents.width;
- var tileHeight = tileComponents.height;
- var tileLeft = tileComponents.left;
- var tileTop = tileComponents.top;
- var src = tileComponents.items;
- var srcPosition = 0;
- var dataPosition = (width * tileTop + tileLeft) * componentsCount;
- var imgRowSize = width * componentsCount;
- var tileRowSize = tileWidth * componentsCount;
- for (var j = 0; j < tileHeight; j++) {
- var rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize);
- data.set(rowBytes, dataPosition);
- srcPosition += tileRowSize;
- dataPosition += imgRowSize;
- }
- }
- this.buffer = data;
- }
- this.bufferLength = this.buffer.length;
- this.eof = true;
- };
- return JpxStream;
- }();
- /**
- * For JBIG2's we use a library to decode these images and
- * the stream behaves like all the other DecodeStreams.
- */
- var Jbig2Stream = function Jbig2StreamClosure() {
- function Jbig2Stream(stream, maybeLength, dict, params) {
- this.stream = stream;
- this.maybeLength = maybeLength;
- this.dict = dict;
- this.params = params;
- DecodeStream.call(this, maybeLength);
- }
- Jbig2Stream.prototype = Object.create(DecodeStream.prototype);
- Object.defineProperty(Jbig2Stream.prototype, 'bytes', {
- get: function Jbig2Stream_bytes() {
- // If this.maybeLength is null, we'll get the entire stream.
- return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength));
- },
- configurable: true
- });
- Jbig2Stream.prototype.ensureBuffer = function Jbig2Stream_ensureBuffer(req) {
- if (this.bufferLength) {
- return;
- }
- var jbig2Image = new Jbig2Image();
- var chunks = [];
- if (isDict(this.params)) {
- var globalsStream = this.params.get('JBIG2Globals');
- if (isStream(globalsStream)) {
- var globals = globalsStream.getBytes();
- chunks.push({
- data: globals,
- start: 0,
- end: globals.length
- });
- }
- }
- chunks.push({
- data: this.bytes,
- start: 0,
- end: this.bytes.length
- });
- var data = jbig2Image.parseChunks(chunks);
- var dataLength = data.length;
- // JBIG2 had black as 1 and white as 0, inverting the colors
- for (var i = 0; i < dataLength; i++) {
- data[i] ^= 0xFF;
- }
- this.buffer = data;
- this.bufferLength = dataLength;
- this.eof = true;
- };
- return Jbig2Stream;
- }();
- var DecryptStream = function DecryptStreamClosure() {
- function DecryptStream(str, maybeLength, decrypt) {
- this.str = str;
- this.dict = str.dict;
- this.decrypt = decrypt;
- this.nextChunk = null;
- this.initialized = false;
- DecodeStream.call(this, maybeLength);
- }
- var chunkSize = 512;
- DecryptStream.prototype = Object.create(DecodeStream.prototype);
- DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {
- var chunk;
- if (this.initialized) {
- chunk = this.nextChunk;
- } else {
- chunk = this.str.getBytes(chunkSize);
- this.initialized = true;
- }
- if (!chunk || chunk.length === 0) {
- this.eof = true;
- return;
- }
- this.nextChunk = this.str.getBytes(chunkSize);
- var hasMoreData = this.nextChunk && this.nextChunk.length > 0;
- var decrypt = this.decrypt;
- chunk = decrypt(chunk, !hasMoreData);
- var bufferLength = this.bufferLength;
- var i, n = chunk.length;
- var buffer = this.ensureBuffer(bufferLength + n);
- for (i = 0; i < n; i++) {
- buffer[bufferLength++] = chunk[i];
- }
- this.bufferLength = bufferLength;
- };
- return DecryptStream;
- }();
- var Ascii85Stream = function Ascii85StreamClosure() {
- function Ascii85Stream(str, maybeLength) {
- this.str = str;
- this.dict = str.dict;
- this.input = new Uint8Array(5);
- // Most streams increase in size when decoded, but Ascii85 streams
- // typically shrink by ~20%.
- if (maybeLength) {
- maybeLength = 0.8 * maybeLength;
- }
- DecodeStream.call(this, maybeLength);
- }
- Ascii85Stream.prototype = Object.create(DecodeStream.prototype);
- Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() {
- var TILDA_CHAR = 0x7E;
- // '~'
- var Z_LOWER_CHAR = 0x7A;
- // 'z'
- var EOF = -1;
- var str = this.str;
- var c = str.getByte();
- while (isSpace(c)) {
- c = str.getByte();
- }
- if (c === EOF || c === TILDA_CHAR) {
- this.eof = true;
- return;
- }
- var bufferLength = this.bufferLength, buffer;
- var i;
- // special code for z
- if (c === Z_LOWER_CHAR) {
- buffer = this.ensureBuffer(bufferLength + 4);
- for (i = 0; i < 4; ++i) {
- buffer[bufferLength + i] = 0;
- }
- this.bufferLength += 4;
- } else {
- var input = this.input;
- input[0] = c;
- for (i = 1; i < 5; ++i) {
- c = str.getByte();
- while (isSpace(c)) {
- c = str.getByte();
- }
- input[i] = c;
- if (c === EOF || c === TILDA_CHAR) {
- break;
- }
- }
- buffer = this.ensureBuffer(bufferLength + i - 1);
- this.bufferLength += i - 1;
- // partial ending;
- if (i < 5) {
- for (; i < 5; ++i) {
- input[i] = 0x21 + 84;
- }
- this.eof = true;
- }
- var t = 0;
- for (i = 0; i < 5; ++i) {
- t = t * 85 + (input[i] - 0x21);
- }
- for (i = 3; i >= 0; --i) {
- buffer[bufferLength + i] = t & 0xFF;
- t >>= 8;
- }
- }
- };
- return Ascii85Stream;
- }();
- var AsciiHexStream = function AsciiHexStreamClosure() {
- function AsciiHexStream(str, maybeLength) {
- this.str = str;
- this.dict = str.dict;
- this.firstDigit = -1;
- // Most streams increase in size when decoded, but AsciiHex streams shrink
- // by 50%.
- if (maybeLength) {
- maybeLength = 0.5 * maybeLength;
- }
- DecodeStream.call(this, maybeLength);
- }
- AsciiHexStream.prototype = Object.create(DecodeStream.prototype);
- AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() {
- var UPSTREAM_BLOCK_SIZE = 8000;
- var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE);
- if (!bytes.length) {
- this.eof = true;
- return;
- }
- var maxDecodeLength = bytes.length + 1 >> 1;
- var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength);
- var bufferLength = this.bufferLength;
- var firstDigit = this.firstDigit;
- for (var i = 0, ii = bytes.length; i < ii; i++) {
- var ch = bytes[i], digit;
- if (ch >= 0x30 && ch <= 0x39) {
- // '0'-'9'
- digit = ch & 0x0F;
- } else if (ch >= 0x41 && ch <= 0x46 || ch >= 0x61 && ch <= 0x66) {
- // 'A'-'Z', 'a'-'z'
- digit = (ch & 0x0F) + 9;
- } else if (ch === 0x3E) {
- // '>'
- this.eof = true;
- break;
- } else {
- // probably whitespace
- continue;
- }
- // ignoring
- if (firstDigit < 0) {
- firstDigit = digit;
- } else {
- buffer[bufferLength++] = firstDigit << 4 | digit;
- firstDigit = -1;
- }
- }
- if (firstDigit >= 0 && this.eof) {
- // incomplete byte
- buffer[bufferLength++] = firstDigit << 4;
- firstDigit = -1;
- }
- this.firstDigit = firstDigit;
- this.bufferLength = bufferLength;
- };
- return AsciiHexStream;
- }();
- var RunLengthStream = function RunLengthStreamClosure() {
- function RunLengthStream(str, maybeLength) {
- this.str = str;
- this.dict = str.dict;
- DecodeStream.call(this, maybeLength);
- }
- RunLengthStream.prototype = Object.create(DecodeStream.prototype);
- RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() {
- // The repeatHeader has following format. The first byte defines type of run
- // and amount of bytes to repeat/copy: n = 0 through 127 - copy next n bytes
- // (in addition to the second byte from the header), n = 129 through 255 -
- // duplicate the second byte from the header (257 - n) times, n = 128 - end.
- var repeatHeader = this.str.getBytes(2);
- if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) {
- this.eof = true;
- return;
- }
- var buffer;
- var bufferLength = this.bufferLength;
- var n = repeatHeader[0];
- if (n < 128) {
- // copy n bytes
- buffer = this.ensureBuffer(bufferLength + n + 1);
- buffer[bufferLength++] = repeatHeader[1];
- if (n > 0) {
- var source = this.str.getBytes(n);
- buffer.set(source, bufferLength);
- bufferLength += n;
- }
- } else {
- n = 257 - n;
- var b = repeatHeader[1];
- buffer = this.ensureBuffer(bufferLength + n + 1);
- for (var i = 0; i < n; i++) {
- buffer[bufferLength++] = b;
- }
- }
- this.bufferLength = bufferLength;
- };
- return RunLengthStream;
- }();
- var CCITTFaxStream = function CCITTFaxStreamClosure() {
- var ccittEOL = -2;
- var ccittEOF = -1;
- var twoDimPass = 0;
- var twoDimHoriz = 1;
- var twoDimVert0 = 2;
- var twoDimVertR1 = 3;
- var twoDimVertL1 = 4;
- var twoDimVertR2 = 5;
- var twoDimVertL2 = 6;
- var twoDimVertR3 = 7;
- var twoDimVertL3 = 8;
- var twoDimTable = [
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- // 000000x
- [
- 7,
- twoDimVertL3
- ],
- // 0000010
- [
- 7,
- twoDimVertR3
- ],
- // 0000011
- [
- 6,
- twoDimVertL2
- ],
- [
- 6,
- twoDimVertL2
- ],
- // 000010x
- [
- 6,
- twoDimVertR2
- ],
- [
- 6,
- twoDimVertR2
- ],
- // 000011x
- [
- 4,
- twoDimPass
- ],
- [
- 4,
- twoDimPass
- ],
- // 0001xxx
- [
- 4,
- twoDimPass
- ],
- [
- 4,
- twoDimPass
- ],
- [
- 4,
- twoDimPass
- ],
- [
- 4,
- twoDimPass
- ],
- [
- 4,
- twoDimPass
- ],
- [
- 4,
- twoDimPass
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- // 001xxxx
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimHoriz
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- // 010xxxx
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertL1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- // 011xxxx
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 3,
- twoDimVertR1
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- // 1xxxxxx
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ],
- [
- 1,
- twoDimVert0
- ]
- ];
- var whiteTable1 = [
- [
- -1,
- -1
- ],
- // 00000
- [
- 12,
- ccittEOL
- ],
- // 00001
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- // 0001x
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- // 001xx
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- // 010xx
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- [
- -1,
- -1
- ],
- // 011xx
- [
- 11,
- 1792
- ],
- [
- 11,
- 1792
- ],
- // 1000x
- [
- 12,
- 1984
- ],
- // 10010
- [
- 12,
- 2048
- ],
- // 10011
- [
- 12,
- 2112
- ],
- // 10100
- [
- 12,
- 2176
- ],
- // 10101
- [
- 12,
- 2240
- ],
- // 10110
- [
- 12,
- 2304
- ],
- // 10111
- [
- 11,
- 1856
- ],
- [
- 11,
- 1856
- ],
- // 1100x
- [
- 11,
- 1920
- ],
- [
- 11,
- 1920
- ],
- // 1101x
- [
- 12,
- 2368
- ],
- // 11100
- [
- 12,
- 2432
- ],
- // 11101
- [
- 12,
- 2496
- ],
- // 11110
- [
- 12,
- 2560
- ]
- ];
- // 11111
- var whiteTable2 = [
- [
- -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,
- 37
- ],
- [
- 8,
- 37
- ],
- // 00010110x
- [
- 8,
- 38
- ],
- [
- 8,
- 38
- ],
- // 00010111x
- [
- 7,
- 19
- ],
- [
- 7,
- 19
- ],
- [
- 7,
- 19
- ],
- [
- 7,
- 19
- ],
- // 0001100xx
- [
- 8,
- 31
- ],
- [
- 8,
- 31
- ],
- // 00011010x
- [
- 8,
- 32
- ],
- [
- 8,
- 32
- ],
- // 00011011x
- [
- 6,
- 1
- ],
- [
- 6,
- 1
- ],
- [
- 6,
- 1
- ],
- [
- 6,
- 1
- ],
- // 000111xxx
- [
- 6,
- 1
- ],
- [
- 6,
- 1
- ],
- [
- 6,
- 1
- ],
- [
- 6,
- 1
- ],
- [
- 6,
- 12
- ],
- [
- 6,
- 12
- ],
- [
- 6,
- 12
- ],
- [
- 6,
- 12
- ],
- // 001000xxx
- [
- 6,
- 12
- ],
- [
- 6,
- 12
- ],
- [
- 6,
- 12
- ],
- [
- 6,
- 12
- ],
- [
- 8,
- 53
- ],
- [
- 8,
- 53
- ],
- // 00100100x
- [
- 8,
- 54
- ],
- [
- 8,
- 54
- ],
- // 00100101x
- [
- 7,
- 26
- ],
- [
- 7,
- 26
- ],
- [
- 7,
- 26
- ],
- [
- 7,
- 26
- ],
- // 0010011xx
- [
- 8,
- 39
- ],
- [
- 8,
- 39
- ],
- // 00101000x
- [
- 8,
- 40
- ],
- [
- 8,
- 40
- ],
- // 00101001x
- [
- 8,
- 41
- ],
- [
- 8,
- 41
- ],
- // 00101010x
- [
- 8,
- 42
- ],
- [
- 8,
- 42
- ],
- // 00101011x
- [
- 8,
- 43
- ],
- [
- 8,
- 43
- ],
- // 00101100x
- [
- 8,
- 44
- ],
- [
- 8,
- 44
- ],
- // 00101101x
- [
- 7,
- 21
- ],
- [
- 7,
- 21
- ],
- [
- 7,
- 21
- ],
- [
- 7,
- 21
- ],
- // 0010111xx
- [
- 7,
- 28
- ],
- [
- 7,
- 28
- ],
- [
- 7,
- 28
- ],
- [
- 7,
- 28
- ],
- // 0011000xx
- [
- 8,
- 61
- ],
- [
- 8,
- 61
- ],
- // 00110010x
- [
- 8,
- 62
- ],
- [
- 8,
- 62
- ],
- // 00110011x
- [
- 8,
- 63
- ],
- [
- 8,
- 63
- ],
- // 00110100x
- [
- 8,
- 0
- ],
- [
- 8,
- 0
- ],
- // 00110101x
- [
- 8,
- 320
- ],
- [
- 8,
- 320
- ],
- // 00110110x
- [
- 8,
- 384
- ],
- [
- 8,
- 384
- ],
- // 00110111x
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- // 00111xxxx
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 10
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- // 01000xxxx
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 5,
- 11
- ],
- [
- 7,
- 27
- ],
- [
- 7,
- 27
- ],
- [
- 7,
- 27
- ],
- [
- 7,
- 27
- ],
- // 0100100xx
- [
- 8,
- 59
- ],
- [
- 8,
- 59
- ],
- // 01001010x
- [
- 8,
- 60
- ],
- [
- 8,
- 60
- ],
- // 01001011x
- [
- 9,
- 1472
- ],
- // 010011000
- [
- 9,
- 1536
- ],
- // 010011001
- [
- 9,
- 1600
- ],
- // 010011010
- [
- 9,
- 1728
- ],
- // 010011011
- [
- 7,
- 18
- ],
- [
- 7,
- 18
- ],
- [
- 7,
- 18
- ],
- [
- 7,
- 18
- ],
- // 0100111xx
- [
- 7,
- 24
- ],
- [
- 7,
- 24
- ],
- [
- 7,
- 24
- ],
- [
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- // 0101000xx
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- // 01010010x
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- // 01010101x
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- 7,
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- // 011011011
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- 7,
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- 7,
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- // 0110111xx
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- 2
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- 4,
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- [
- 4,
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- // 0111xxxxx
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- 4,
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- 4,
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- 4,
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- // 1000xxxxx
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- [
- 5,
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- [
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- // 10010xxxx
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- [
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- // 10011xxxx
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- 5,
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- [
- 5,
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- 5,
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- // 10100xxxx
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- // 101010xxx
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- 6,
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- [
- 6,
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- // 101011xxx
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- 6,
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- // 1011xxxxx
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- [
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- [
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- [
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- [
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- // 1100xxxxx
- [
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- [
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- // 110100xxx
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- 6,
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- [
- 6,
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- // 110101xxx
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- 6,
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- 5,
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- 5,
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- // 11011xxxx
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- 5,
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- 5,
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- // 1110xxxxx
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- // 1111xxxxx
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- [
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- var blackTable1 = [
- [
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- // 000000000000x
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- // 000000000001x
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- // 00000000001xx
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- // 00000000010xx
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- // 00000000011xx
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- // 00000000100xx
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- // 00000000101xx
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- // 00000000110xx
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- // 00000000111xx
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- // 00000001100xx
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- // 0000001000xxx
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- // 000000100100x
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- // 0000001001010
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- // 0000001001011
- [
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- // 0000001001100
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- // 0000001001101
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- // 000000100111x
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- // 000000101000x
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- // 0000001010011
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- // 0000001010101
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- // 000000101011x
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- 12,
- 60
- ],
- [
- 12,
- 60
- ],
- // 000000101100x
- [
- 13,
- 1536
- ],
- // 0000001011010
- [
- 13,
- 1600
- ],
- // 0000001011011
- [
- 11,
- 24
- ],
- [
- 11,
- 24
- ],
- [
- 11,
- 24
- ],
- [
- 11,
- 24
- ],
- // 00000010111xx
- [
- 11,
- 25
- ],
- [
- 11,
- 25
- ],
- [
- 11,
- 25
- ],
- [
- 11,
- 25
- ],
- // 00000011000xx
- [
- 13,
- 1664
- ],
- // 0000001100100
- [
- 13,
- 1728
- ],
- // 0000001100101
- [
- 12,
- 320
- ],
- [
- 12,
- 320
- ],
- // 000000110011x
- [
- 12,
- 384
- ],
- [
- 12,
- 384
- ],
- // 000000110100x
- [
- 12,
- 448
- ],
- [
- 12,
- 448
- ],
- // 000000110101x
- [
- 13,
- 512
- ],
- // 0000001101100
- [
- 13,
- 576
- ],
- // 0000001101101
- [
- 12,
- 53
- ],
- [
- 12,
- 53
- ],
- // 000000110111x
- [
- 12,
- 54
- ],
- [
- 12,
- 54
- ],
- // 000000111000x
- [
- 13,
- 896
- ],
- // 0000001110010
- [
- 13,
- 960
- ],
- // 0000001110011
- [
- 13,
- 1024
- ],
- // 0000001110100
- [
- 13,
- 1088
- ],
- // 0000001110101
- [
- 13,
- 1152
- ],
- // 0000001110110
- [
- 13,
- 1216
- ],
- // 0000001110111
- [
- 10,
- 64
- ],
- [
- 10,
- 64
- ],
- [
- 10,
- 64
- ],
- [
- 10,
- 64
- ],
- // 0000001111xxx
- [
- 10,
- 64
- ],
- [
- 10,
- 64
- ],
- [
- 10,
- 64
- ],
- [
- 10,
- 64
- ]
- ];
- var blackTable2 = [
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- // 00000100xxxx
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 8,
- 13
- ],
- [
- 11,
- 23
- ],
- [
- 11,
- 23
- ],
- // 00000101000x
- [
- 12,
- 50
- ],
- // 000001010010
- [
- 12,
- 51
- ],
- // 000001010011
- [
- 12,
- 44
- ],
- // 000001010100
- [
- 12,
- 45
- ],
- // 000001010101
- [
- 12,
- 46
- ],
- // 000001010110
- [
- 12,
- 47
- ],
- // 000001010111
- [
- 12,
- 57
- ],
- // 000001011000
- [
- 12,
- 58
- ],
- // 000001011001
- [
- 12,
- 61
- ],
- // 000001011010
- [
- 12,
- 256
- ],
- // 000001011011
- [
- 10,
- 16
- ],
- [
- 10,
- 16
- ],
- [
- 10,
- 16
- ],
- [
- 10,
- 16
- ],
- // 0000010111xx
- [
- 10,
- 17
- ],
- [
- 10,
- 17
- ],
- [
- 10,
- 17
- ],
- [
- 10,
- 17
- ],
- // 0000011000xx
- [
- 12,
- 48
- ],
- // 000001100100
- [
- 12,
- 49
- ],
- // 000001100101
- [
- 12,
- 62
- ],
- // 000001100110
- [
- 12,
- 63
- ],
- // 000001100111
- [
- 12,
- 30
- ],
- // 000001101000
- [
- 12,
- 31
- ],
- // 000001101001
- [
- 12,
- 32
- ],
- // 000001101010
- [
- 12,
- 33
- ],
- // 000001101011
- [
- 12,
- 40
- ],
- // 000001101100
- [
- 12,
- 41
- ],
- // 000001101101
- [
- 11,
- 22
- ],
- [
- 11,
- 22
- ],
- // 00000110111x
- [
- 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 (<something>, setFont, setTextMatrix,
- // showText, endText), include that as well. (E.g. <something> might be
- // |dependency|.)
- var iFirst = iFirstBeginText;
- if (iFirstBeginText >= 4 && fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) {
- count++;
- iFirst -= 5;
- }
- // Remove (endText, beginText, setFont) trios.
- var iEndText = iFirst + 4;
- for (var q = 1; q < count; q++) {
- fnArray.splice(iEndText, 3);
- argsArray.splice(iEndText, 3);
- iEndText += 2;
- }
- return iEndText + 1;
- });
- function QueueOptimizer() {
- }
- QueueOptimizer.prototype = {
- optimize: function QueueOptimizer_optimize(queue) {
- var fnArray = queue.fnArray, argsArray = queue.argsArray;
- var context = {
- iCurr: 0,
- fnArray: fnArray,
- argsArray: argsArray
- };
- var state;
- var i = 0, ii = fnArray.length;
- while (i < ii) {
- state = (state || InitialState)[fnArray[i]];
- if (typeof state === 'function') {
- // we found some handler
- context.iCurr = i;
- // state() returns the index of the first non-matching op (if we
- // didn't match) or the first op past the modified ops (if we did
- // match and replace).
- i = state(context);
- state = undefined;
- // reset the state machine
- ii = context.fnArray.length;
- } else {
- i++;
- }
- }
- }
- };
- return QueueOptimizer;
- }();
- exports.OperatorList = OperatorList;
- exports.PartialEvaluator = PartialEvaluator;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreAnnotation = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreColorSpace, root.pdfjsCoreObj, root.pdfjsCoreEvaluator);
- }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreColorSpace, coreObj, coreEvaluator) {
- var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
- var AnnotationFieldFlag = sharedUtil.AnnotationFieldFlag;
- var AnnotationFlag = sharedUtil.AnnotationFlag;
- var AnnotationType = sharedUtil.AnnotationType;
- var OPS = sharedUtil.OPS;
- var Util = sharedUtil.Util;
- var isString = sharedUtil.isString;
- var isArray = sharedUtil.isArray;
- var isInt = sharedUtil.isInt;
- var stringToBytes = sharedUtil.stringToBytes;
- var stringToPDFString = sharedUtil.stringToPDFString;
- var warn = sharedUtil.warn;
- var Dict = corePrimitives.Dict;
- var isDict = corePrimitives.isDict;
- var isName = corePrimitives.isName;
- var isRef = corePrimitives.isRef;
- var Stream = coreStream.Stream;
- var ColorSpace = coreColorSpace.ColorSpace;
- var Catalog = coreObj.Catalog;
- var ObjectLoader = coreObj.ObjectLoader;
- var FileSpec = coreObj.FileSpec;
- var OperatorList = coreEvaluator.OperatorList;
- /**
- * @class
- * @alias AnnotationFactory
- */
- function AnnotationFactory() {
- }
- AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */
- {
- /**
- * @param {XRef} xref
- * @param {Object} ref
- * @param {PDFManager} pdfManager
- * @param {string} uniquePrefix
- * @param {Object} idCounters
- * @returns {Annotation}
- */
- create: function AnnotationFactory_create(xref, ref, pdfManager, uniquePrefix, idCounters) {
- var dict = xref.fetchIfRef(ref);
- if (!isDict(dict)) {
- return;
- }
- var id = isRef(ref) ? ref.toString() : 'annot_' + (uniquePrefix || '') + ++idCounters.obj;
- // Determine the annotation's subtype.
- var subtype = dict.get('Subtype');
- subtype = isName(subtype) ? subtype.name : null;
- // Return the right annotation object based on the subtype and field type.
- var parameters = {
- xref: xref,
- dict: dict,
- ref: isRef(ref) ? ref : null,
- subtype: subtype,
- id: id,
- pdfManager: pdfManager
- };
- switch (subtype) {
- case 'Link':
- return new LinkAnnotation(parameters);
- case 'Text':
- return new TextAnnotation(parameters);
- case 'Widget':
- var fieldType = Util.getInheritableProperty(dict, 'FT');
- fieldType = isName(fieldType) ? fieldType.name : null;
- switch (fieldType) {
- case 'Tx':
- return new TextWidgetAnnotation(parameters);
- case 'Ch':
- return new ChoiceWidgetAnnotation(parameters);
- }
- warn('Unimplemented widget field type "' + fieldType + '", ' + 'falling back to base field type.');
- return new WidgetAnnotation(parameters);
- case 'Popup':
- return new PopupAnnotation(parameters);
- case 'Highlight':
- return new HighlightAnnotation(parameters);
- case 'Underline':
- return new UnderlineAnnotation(parameters);
- case 'Squiggly':
- return new SquigglyAnnotation(parameters);
- case 'StrikeOut':
- return new StrikeOutAnnotation(parameters);
- case 'FileAttachment':
- return new FileAttachmentAnnotation(parameters);
- default:
- if (!subtype) {
- warn('Annotation is missing the required /Subtype.');
- } else {
- warn('Unimplemented annotation type "' + subtype + '", ' + 'falling back to base annotation.');
- }
- return new Annotation(parameters);
- }
- }
- };
- var Annotation = function AnnotationClosure() {
- // 12.5.5: Algorithm: Appearance streams
- function getTransformMatrix(rect, bbox, matrix) {
- var bounds = Util.getAxialAlignedBoundingBox(bbox, matrix);
- var minX = bounds[0];
- var minY = bounds[1];
- var maxX = bounds[2];
- var maxY = bounds[3];
- if (minX === maxX || minY === maxY) {
- // From real-life file, bbox was [0, 0, 0, 0]. In this case,
- // just apply the transform for rect
- return [
- 1,
- 0,
- 0,
- 1,
- rect[0],
- rect[1]
- ];
- }
- var xRatio = (rect[2] - rect[0]) / (maxX - minX);
- var yRatio = (rect[3] - rect[1]) / (maxY - minY);
- return [
- xRatio,
- 0,
- 0,
- yRatio,
- rect[0] - minX * xRatio,
- rect[1] - minY * yRatio
- ];
- }
- function getDefaultAppearance(dict) {
- var appearanceState = dict.get('AP');
- if (!isDict(appearanceState)) {
- return;
- }
- var appearance;
- var appearances = appearanceState.get('N');
- if (isDict(appearances)) {
- var as = dict.get('AS');
- if (as && appearances.has(as.name)) {
- appearance = appearances.get(as.name);
- }
- } else {
- appearance = appearances;
- }
- return appearance;
- }
- function Annotation(params) {
- var dict = params.dict;
- this.setFlags(dict.get('F'));
- this.setRectangle(dict.getArray('Rect'));
- this.setColor(dict.getArray('C'));
- this.setBorderStyle(dict);
- this.appearance = getDefaultAppearance(dict);
- // Expose public properties using a data object.
- this.data = {};
- this.data.id = params.id;
- this.data.subtype = params.subtype;
- this.data.annotationFlags = this.flags;
- this.data.rect = this.rectangle;
- this.data.color = this.color;
- this.data.borderStyle = this.borderStyle;
- this.data.hasAppearance = !!this.appearance;
- }
- Annotation.prototype = {
- /**
- * @private
- */
- _hasFlag: function Annotation_hasFlag(flags, flag) {
- return !!(flags & flag);
- },
- /**
- * @private
- */
- _isViewable: function Annotation_isViewable(flags) {
- return !this._hasFlag(flags, AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, AnnotationFlag.HIDDEN) && !this._hasFlag(flags, AnnotationFlag.NOVIEW);
- },
- /**
- * @private
- */
- _isPrintable: function AnnotationFlag_isPrintable(flags) {
- return this._hasFlag(flags, AnnotationFlag.PRINT) && !this._hasFlag(flags, AnnotationFlag.INVISIBLE) && !this._hasFlag(flags, AnnotationFlag.HIDDEN);
- },
- /**
- * @return {boolean}
- */
- get viewable() {
- if (this.flags === 0) {
- return true;
- }
- return this._isViewable(this.flags);
- },
- /**
- * @return {boolean}
- */
- get printable() {
- if (this.flags === 0) {
- return false;
- }
- return this._isPrintable(this.flags);
- },
- /**
- * Set the flags.
- *
- * @public
- * @memberof Annotation
- * @param {number} flags - Unsigned 32-bit integer specifying annotation
- * characteristics
- * @see {@link shared/util.js}
- */
- setFlags: function Annotation_setFlags(flags) {
- this.flags = isInt(flags) && flags > 0 ? flags : 0;
- },
- /**
- * Check if a provided flag is set.
- *
- * @public
- * @memberof Annotation
- * @param {number} flag - Hexadecimal representation for an annotation
- * characteristic
- * @return {boolean}
- * @see {@link shared/util.js}
- */
- hasFlag: function Annotation_hasFlag(flag) {
- return this._hasFlag(this.flags, flag);
- },
- /**
- * Set the rectangle.
- *
- * @public
- * @memberof Annotation
- * @param {Array} rectangle - The rectangle array with exactly four entries
- */
- setRectangle: function Annotation_setRectangle(rectangle) {
- if (isArray(rectangle) && rectangle.length === 4) {
- this.rectangle = Util.normalizeRect(rectangle);
- } else {
- this.rectangle = [
- 0,
- 0,
- 0,
- 0
- ];
- }
- },
- /**
- * Set the color and take care of color space conversion.
- *
- * @public
- * @memberof Annotation
- * @param {Array} color - The color array containing either 0
- * (transparent), 1 (grayscale), 3 (RGB) or
- * 4 (CMYK) elements
- */
- setColor: function Annotation_setColor(color) {
- var rgbColor = new Uint8Array(3);
- // Black in RGB color space (default)
- if (!isArray(color)) {
- this.color = rgbColor;
- return;
- }
- switch (color.length) {
- case 0:
- // Transparent, which we indicate with a null value
- this.color = null;
- break;
- case 1:
- // Convert grayscale to RGB
- ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);
- this.color = rgbColor;
- break;
- case 3:
- // Convert RGB percentages to RGB
- ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);
- this.color = rgbColor;
- break;
- case 4:
- // Convert CMYK to RGB
- ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);
- this.color = rgbColor;
- break;
- default:
- this.color = rgbColor;
- break;
- }
- },
- /**
- * Set the border style (as AnnotationBorderStyle object).
- *
- * @public
- * @memberof Annotation
- * @param {Dict} borderStyle - The border style dictionary
- */
- setBorderStyle: function Annotation_setBorderStyle(borderStyle) {
- this.borderStyle = new AnnotationBorderStyle();
- if (!isDict(borderStyle)) {
- return;
- }
- if (borderStyle.has('BS')) {
- var dict = borderStyle.get('BS');
- var dictType = dict.get('Type');
- if (!dictType || isName(dictType, 'Border')) {
- this.borderStyle.setWidth(dict.get('W'));
- this.borderStyle.setStyle(dict.get('S'));
- this.borderStyle.setDashArray(dict.getArray('D'));
- }
- } else if (borderStyle.has('Border')) {
- var array = borderStyle.getArray('Border');
- if (isArray(array) && array.length >= 3) {
- this.borderStyle.setHorizontalCornerRadius(array[0]);
- this.borderStyle.setVerticalCornerRadius(array[1]);
- this.borderStyle.setWidth(array[2]);
- if (array.length === 4) {
- // Dash array available
- this.borderStyle.setDashArray(array[3]);
- }
- }
- } else {
- // There are no border entries in the dictionary. According to the
- // specification, we should draw a solid border of width 1 in that
- // case, but Adobe Reader did not implement that part of the
- // specification and instead draws no border at all, so we do the same.
- // See also https://github.com/mozilla/pdf.js/issues/6179.
- this.borderStyle.setWidth(0);
- }
- },
- /**
- * Prepare the annotation for working with a popup in the display layer.
- *
- * @private
- * @memberof Annotation
- * @param {Dict} dict - The annotation's data dictionary
- */
- _preparePopup: function Annotation_preparePopup(dict) {
- if (!dict.has('C')) {
- // Fall back to the default background color.
- this.data.color = null;
- }
- this.data.hasPopup = dict.has('Popup');
- this.data.title = stringToPDFString(dict.get('T') || '');
- this.data.contents = stringToPDFString(dict.get('Contents') || '');
- },
- loadResources: function Annotation_loadResources(keys) {
- return new Promise(function (resolve, reject) {
- this.appearance.dict.getAsync('Resources').then(function (resources) {
- if (!resources) {
- resolve();
- return;
- }
- var objectLoader = new ObjectLoader(resources.map, keys, resources.xref);
- objectLoader.load().then(function () {
- resolve(resources);
- }, reject);
- }, reject);
- }.bind(this));
- },
- getOperatorList: function Annotation_getOperatorList(evaluator, task, renderForms) {
- if (!this.appearance) {
- return Promise.resolve(new OperatorList());
- }
- var data = this.data;
- var appearanceDict = this.appearance.dict;
- var resourcesPromise = this.loadResources([
- 'ExtGState',
- 'ColorSpace',
- 'Pattern',
- 'Shading',
- 'XObject',
- 'Font'
- ]);
- // ProcSet
- // Properties
- var bbox = appearanceDict.getArray('BBox') || [
- 0,
- 0,
- 1,
- 1
- ];
- var matrix = appearanceDict.getArray('Matrix') || [
- 1,
- 0,
- 0,
- 1,
- 0,
- 0
- ];
- var transform = getTransformMatrix(data.rect, bbox, matrix);
- var self = this;
- return resourcesPromise.then(function (resources) {
- var opList = new OperatorList();
- opList.addOp(OPS.beginAnnotation, [
- data.rect,
- transform,
- matrix
- ]);
- return evaluator.getOperatorList(self.appearance, task, resources, opList).then(function () {
- opList.addOp(OPS.endAnnotation, []);
- self.appearance.reset();
- return opList;
- });
- });
- }
- };
- Annotation.appendToOperatorList = function Annotation_appendToOperatorList(annotations, opList, partialEvaluator, task, intent, renderForms) {
- var annotationPromises = [];
- for (var i = 0, n = annotations.length; i < n; ++i) {
- if (intent === 'display' && annotations[i].viewable || intent === 'print' && annotations[i].printable) {
- annotationPromises.push(annotations[i].getOperatorList(partialEvaluator, task, renderForms));
- }
- }
- return Promise.all(annotationPromises).then(function (operatorLists) {
- opList.addOp(OPS.beginAnnotations, []);
- for (var i = 0, n = operatorLists.length; i < n; ++i) {
- opList.addOpList(operatorLists[i]);
- }
- opList.addOp(OPS.endAnnotations, []);
- });
- };
- return Annotation;
- }();
- /**
- * Contains all data regarding an annotation's border style.
- *
- * @class
- */
- var AnnotationBorderStyle = function AnnotationBorderStyleClosure() {
- /**
- * @constructor
- * @private
- */
- function AnnotationBorderStyle() {
- this.width = 1;
- this.style = AnnotationBorderStyleType.SOLID;
- this.dashArray = [3];
- this.horizontalCornerRadius = 0;
- this.verticalCornerRadius = 0;
- }
- AnnotationBorderStyle.prototype = {
- /**
- * Set the width.
- *
- * @public
- * @memberof AnnotationBorderStyle
- * @param {integer} width - The width
- */
- setWidth: function AnnotationBorderStyle_setWidth(width) {
- if (width === (width | 0)) {
- this.width = width;
- }
- },
- /**
- * Set the style.
- *
- * @public
- * @memberof AnnotationBorderStyle
- * @param {Object} style - The style object
- * @see {@link shared/util.js}
- */
- setStyle: function AnnotationBorderStyle_setStyle(style) {
- if (!style) {
- return;
- }
- switch (style.name) {
- case 'S':
- this.style = AnnotationBorderStyleType.SOLID;
- break;
- case 'D':
- this.style = AnnotationBorderStyleType.DASHED;
- break;
- case 'B':
- this.style = AnnotationBorderStyleType.BEVELED;
- break;
- case 'I':
- this.style = AnnotationBorderStyleType.INSET;
- break;
- case 'U':
- this.style = AnnotationBorderStyleType.UNDERLINE;
- break;
- default:
- break;
- }
- },
- /**
- * Set the dash array.
- *
- * @public
- * @memberof AnnotationBorderStyle
- * @param {Array} dashArray - The dash array with at least one element
- */
- setDashArray: function AnnotationBorderStyle_setDashArray(dashArray) {
- // We validate the dash array, but we do not use it because CSS does not
- // allow us to change spacing of dashes. For more information, visit
- // http://www.w3.org/TR/css3-background/#the-border-style.
- if (isArray(dashArray) && dashArray.length > 0) {
- // According to the PDF specification: the elements in a dashArray
- // shall be numbers that are nonnegative and not all equal to zero.
- var isValid = true;
- var allZeros = true;
- for (var i = 0, len = dashArray.length; i < len; i++) {
- var element = dashArray[i];
- var validNumber = +element >= 0;
- if (!validNumber) {
- isValid = false;
- break;
- } else if (element > 0) {
- allZeros = false;
- }
- }
- if (isValid && !allZeros) {
- this.dashArray = dashArray;
- } else {
- this.width = 0;
- }
- } else // Adobe behavior when the array is invalid.
- if (dashArray) {
- this.width = 0;
- }
- },
- // Adobe behavior when the array is invalid.
- /**
- * Set the horizontal corner radius (from a Border dictionary).
- *
- * @public
- * @memberof AnnotationBorderStyle
- * @param {integer} radius - The horizontal corner radius
- */
- setHorizontalCornerRadius: function AnnotationBorderStyle_setHorizontalCornerRadius(radius) {
- if (radius === (radius | 0)) {
- this.horizontalCornerRadius = radius;
- }
- },
- /**
- * Set the vertical corner radius (from a Border dictionary).
- *
- * @public
- * @memberof AnnotationBorderStyle
- * @param {integer} radius - The vertical corner radius
- */
- setVerticalCornerRadius: function AnnotationBorderStyle_setVerticalCornerRadius(radius) {
- if (radius === (radius | 0)) {
- this.verticalCornerRadius = radius;
- }
- }
- };
- return AnnotationBorderStyle;
- }();
- var WidgetAnnotation = function WidgetAnnotationClosure() {
- function WidgetAnnotation(params) {
- Annotation.call(this, params);
- var dict = params.dict;
- var data = this.data;
- data.annotationType = AnnotationType.WIDGET;
- data.fieldName = this._constructFieldName(dict);
- data.fieldValue = Util.getInheritableProperty(dict, 'V', /* getArray = */
- true);
- data.alternativeText = stringToPDFString(dict.get('TU') || '');
- data.defaultAppearance = Util.getInheritableProperty(dict, 'DA') || '';
- var fieldType = Util.getInheritableProperty(dict, 'FT');
- data.fieldType = isName(fieldType) ? fieldType.name : null;
- this.fieldResources = Util.getInheritableProperty(dict, 'DR') || Dict.empty;
- data.fieldFlags = Util.getInheritableProperty(dict, 'Ff');
- if (!isInt(data.fieldFlags) || data.fieldFlags < 0) {
- data.fieldFlags = 0;
- }
- data.readOnly = this.hasFieldFlag(AnnotationFieldFlag.READONLY);
- // Hide signatures because we cannot validate them.
- if (data.fieldType === 'Sig') {
- this.setFlags(AnnotationFlag.HIDDEN);
- }
- }
- Util.inherit(WidgetAnnotation, Annotation, {
- /**
- * Construct the (fully qualified) field name from the (partial) field
- * names of the field and its ancestors.
- *
- * @private
- * @memberof WidgetAnnotation
- * @param {Dict} dict - Complete widget annotation dictionary
- * @return {string}
- */
- _constructFieldName: function WidgetAnnotation_constructFieldName(dict) {
- // Both the `Parent` and `T` fields are optional. While at least one of
- // them should be provided, bad PDF generators may fail to do so.
- if (!dict.has('T') && !dict.has('Parent')) {
- warn('Unknown field name, falling back to empty field name.');
- return '';
- }
- // If no parent exists, the partial and fully qualified names are equal.
- if (!dict.has('Parent')) {
- return stringToPDFString(dict.get('T'));
- }
- // Form the fully qualified field name by appending the partial name to
- // the parent's fully qualified name, separated by a period.
- var fieldName = [];
- if (dict.has('T')) {
- fieldName.unshift(stringToPDFString(dict.get('T')));
- }
- var loopDict = dict;
- while (loopDict.has('Parent')) {
- loopDict = loopDict.get('Parent');
- if (loopDict.has('T')) {
- fieldName.unshift(stringToPDFString(loopDict.get('T')));
- }
- }
- return fieldName.join('.');
- },
- /**
- * Check if a provided field flag is set.
- *
- * @public
- * @memberof WidgetAnnotation
- * @param {number} flag - Hexadecimal representation for an annotation
- * field characteristic
- * @return {boolean}
- * @see {@link shared/util.js}
- */
- hasFieldFlag: function WidgetAnnotation_hasFieldFlag(flag) {
- return !!(this.data.fieldFlags & flag);
- }
- });
- return WidgetAnnotation;
- }();
- var TextWidgetAnnotation = function TextWidgetAnnotationClosure() {
- function TextWidgetAnnotation(params) {
- WidgetAnnotation.call(this, params);
- // The field value is always a string.
- this.data.fieldValue = stringToPDFString(this.data.fieldValue || '');
- // Determine the alignment of text in the field.
- var alignment = Util.getInheritableProperty(params.dict, 'Q');
- if (!isInt(alignment) || alignment < 0 || alignment > 2) {
- alignment = null;
- }
- this.data.textAlignment = alignment;
- // Determine the maximum length of text in the field.
- var maximumLength = Util.getInheritableProperty(params.dict, 'MaxLen');
- if (!isInt(maximumLength) || maximumLength < 0) {
- maximumLength = null;
- }
- this.data.maxLen = maximumLength;
- // Process field flags for the display layer.
- this.data.multiLine = this.hasFieldFlag(AnnotationFieldFlag.MULTILINE);
- this.data.comb = this.hasFieldFlag(AnnotationFieldFlag.COMB) && !this.hasFieldFlag(AnnotationFieldFlag.MULTILINE) && !this.hasFieldFlag(AnnotationFieldFlag.PASSWORD) && !this.hasFieldFlag(AnnotationFieldFlag.FILESELECT) && this.data.maxLen !== null;
- }
- Util.inherit(TextWidgetAnnotation, WidgetAnnotation, {
- getOperatorList: function TextWidgetAnnotation_getOperatorList(evaluator, task, renderForms) {
- var operatorList = new OperatorList();
- // Do not render form elements on the canvas when interactive forms are
- // enabled. The display layer is responsible for rendering them instead.
- if (renderForms) {
- return Promise.resolve(operatorList);
- }
- if (this.appearance) {
- return Annotation.prototype.getOperatorList.call(this, evaluator, task, renderForms);
- }
- // Even if there is an appearance stream, ignore it. This is the
- // behaviour used by Adobe Reader.
- if (!this.data.defaultAppearance) {
- return Promise.resolve(operatorList);
- }
- var stream = new Stream(stringToBytes(this.data.defaultAppearance));
- return evaluator.getOperatorList(stream, task, this.fieldResources, operatorList).then(function () {
- return operatorList;
- });
- }
- });
- return TextWidgetAnnotation;
- }();
- var ChoiceWidgetAnnotation = function ChoiceWidgetAnnotationClosure() {
- function ChoiceWidgetAnnotation(params) {
- WidgetAnnotation.call(this, params);
- // Determine the options. The options array may consist of strings or
- // arrays. If the array consists of arrays, then the first element of
- // each array is the export value and the second element of each array is
- // the display value. If the array consists of strings, then these
- // represent both the export and display value. In this case, we convert
- // it to an array of arrays as well for convenience in the display layer.
- this.data.options = [];
- var options = params.dict.getArray('Opt');
- if (isArray(options)) {
- for (var i = 0, ii = options.length; i < ii; i++) {
- var option = options[i];
- this.data.options[i] = {
- exportValue: isArray(option) ? option[0] : option,
- displayValue: isArray(option) ? option[1] : option
- };
- }
- }
- // Determine the field value. In this case, it may be a string or an
- // array of strings. For convenience in the display layer, convert the
- // string to an array of one string as well.
- if (!isArray(this.data.fieldValue)) {
- this.data.fieldValue = [this.data.fieldValue];
- }
- // Process field flags for the display layer.
- this.data.combo = this.hasFieldFlag(AnnotationFieldFlag.COMBO);
- this.data.multiSelect = this.hasFieldFlag(AnnotationFieldFlag.MULTISELECT);
- }
- Util.inherit(ChoiceWidgetAnnotation, WidgetAnnotation, {
- getOperatorList: function ChoiceWidgetAnnotation_getOperatorList(evaluator, task, renderForms) {
- var operatorList = new OperatorList();
- // Do not render form elements on the canvas when interactive forms are
- // enabled. The display layer is responsible for rendering them instead.
- if (renderForms) {
- return Promise.resolve(operatorList);
- }
- return Annotation.prototype.getOperatorList.call(this, evaluator, task, renderForms);
- }
- });
- return ChoiceWidgetAnnotation;
- }();
- var TextAnnotation = function TextAnnotationClosure() {
- var DEFAULT_ICON_SIZE = 22;
- // px
- function TextAnnotation(parameters) {
- Annotation.call(this, parameters);
- this.data.annotationType = AnnotationType.TEXT;
- if (this.data.hasAppearance) {
- this.data.name = 'NoIcon';
- } else {
- this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE;
- this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE;
- this.data.name = parameters.dict.has('Name') ? parameters.dict.get('Name').name : 'Note';
- }
- this._preparePopup(parameters.dict);
- }
- Util.inherit(TextAnnotation, Annotation, {});
- return TextAnnotation;
- }();
- var LinkAnnotation = function LinkAnnotationClosure() {
- function LinkAnnotation(params) {
- Annotation.call(this, params);
- var data = this.data;
- data.annotationType = AnnotationType.LINK;
- Catalog.parseDestDictionary({
- destDict: params.dict,
- resultObj: data,
- docBaseUrl: params.pdfManager.docBaseUrl
- });
- }
- Util.inherit(LinkAnnotation, Annotation, {});
- return LinkAnnotation;
- }();
- var PopupAnnotation = function PopupAnnotationClosure() {
- function PopupAnnotation(parameters) {
- Annotation.call(this, parameters);
- this.data.annotationType = AnnotationType.POPUP;
- var dict = parameters.dict;
- var parentItem = dict.get('Parent');
- if (!parentItem) {
- warn('Popup annotation has a missing or invalid parent annotation.');
- return;
- }
- this.data.parentId = dict.getRaw('Parent').toString();
- this.data.title = stringToPDFString(parentItem.get('T') || '');
- this.data.contents = stringToPDFString(parentItem.get('Contents') || '');
- if (!parentItem.has('C')) {
- // Fall back to the default background color.
- this.data.color = null;
- } else {
- this.setColor(parentItem.getArray('C'));
- this.data.color = this.color;
- }
- // If the Popup annotation is not viewable, but the parent annotation is,
- // that is most likely a bug. Fallback to inherit the flags from the parent
- // annotation (this is consistent with the behaviour in Adobe Reader).
- if (!this.viewable) {
- var parentFlags = parentItem.get('F');
- if (this._isViewable(parentFlags)) {
- this.setFlags(parentFlags);
- }
- }
- }
- Util.inherit(PopupAnnotation, Annotation, {});
- return PopupAnnotation;
- }();
- var HighlightAnnotation = function HighlightAnnotationClosure() {
- function HighlightAnnotation(parameters) {
- Annotation.call(this, parameters);
- this.data.annotationType = AnnotationType.HIGHLIGHT;
- this._preparePopup(parameters.dict);
- // PDF viewers completely ignore any border styles.
- this.data.borderStyle.setWidth(0);
- }
- Util.inherit(HighlightAnnotation, Annotation, {});
- return HighlightAnnotation;
- }();
- var UnderlineAnnotation = function UnderlineAnnotationClosure() {
- function UnderlineAnnotation(parameters) {
- Annotation.call(this, parameters);
- this.data.annotationType = AnnotationType.UNDERLINE;
- this._preparePopup(parameters.dict);
- // PDF viewers completely ignore any border styles.
- this.data.borderStyle.setWidth(0);
- }
- Util.inherit(UnderlineAnnotation, Annotation, {});
- return UnderlineAnnotation;
- }();
- var SquigglyAnnotation = function SquigglyAnnotationClosure() {
- function SquigglyAnnotation(parameters) {
- Annotation.call(this, parameters);
- this.data.annotationType = AnnotationType.SQUIGGLY;
- this._preparePopup(parameters.dict);
- // PDF viewers completely ignore any border styles.
- this.data.borderStyle.setWidth(0);
- }
- Util.inherit(SquigglyAnnotation, Annotation, {});
- return SquigglyAnnotation;
- }();
- var StrikeOutAnnotation = function StrikeOutAnnotationClosure() {
- function StrikeOutAnnotation(parameters) {
- Annotation.call(this, parameters);
- this.data.annotationType = AnnotationType.STRIKEOUT;
- this._preparePopup(parameters.dict);
- // PDF viewers completely ignore any border styles.
- this.data.borderStyle.setWidth(0);
- }
- Util.inherit(StrikeOutAnnotation, Annotation, {});
- return StrikeOutAnnotation;
- }();
- var FileAttachmentAnnotation = function FileAttachmentAnnotationClosure() {
- function FileAttachmentAnnotation(parameters) {
- Annotation.call(this, parameters);
- var file = new FileSpec(parameters.dict.get('FS'), parameters.xref);
- this.data.annotationType = AnnotationType.FILEATTACHMENT;
- this.data.file = file.serializable;
- this._preparePopup(parameters.dict);
- }
- Util.inherit(FileAttachmentAnnotation, Annotation, {});
- return FileAttachmentAnnotation;
- }();
- exports.Annotation = Annotation;
- exports.AnnotationBorderStyle = AnnotationBorderStyle;
- exports.AnnotationFactory = AnnotationFactory;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreDocument = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreObj, root.pdfjsCoreParser, root.pdfjsCoreCrypto, root.pdfjsCoreEvaluator, root.pdfjsCoreAnnotation);
- }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreObj, coreParser, coreCrypto, coreEvaluator, coreAnnotation) {
- var MissingDataException = sharedUtil.MissingDataException;
- var Util = sharedUtil.Util;
- var assert = sharedUtil.assert;
- var error = sharedUtil.error;
- var info = sharedUtil.info;
- var isArray = sharedUtil.isArray;
- var isArrayBuffer = sharedUtil.isArrayBuffer;
- var isString = sharedUtil.isString;
- var shadow = sharedUtil.shadow;
- var stringToBytes = sharedUtil.stringToBytes;
- var stringToPDFString = sharedUtil.stringToPDFString;
- var warn = sharedUtil.warn;
- var isSpace = sharedUtil.isSpace;
- var Dict = corePrimitives.Dict;
- var isDict = corePrimitives.isDict;
- var isName = corePrimitives.isName;
- var isStream = corePrimitives.isStream;
- var NullStream = coreStream.NullStream;
- var Stream = coreStream.Stream;
- var StreamsSequenceStream = coreStream.StreamsSequenceStream;
- var Catalog = coreObj.Catalog;
- var ObjectLoader = coreObj.ObjectLoader;
- var XRef = coreObj.XRef;
- var Linearization = coreParser.Linearization;
- var calculateMD5 = coreCrypto.calculateMD5;
- var OperatorList = coreEvaluator.OperatorList;
- var PartialEvaluator = coreEvaluator.PartialEvaluator;
- var Annotation = coreAnnotation.Annotation;
- var AnnotationFactory = coreAnnotation.AnnotationFactory;
- var Page = function PageClosure() {
- var LETTER_SIZE_MEDIABOX = [
- 0,
- 0,
- 612,
- 792
- ];
- function Page(pdfManager, xref, pageIndex, pageDict, ref, fontCache) {
- this.pdfManager = pdfManager;
- this.pageIndex = pageIndex;
- this.pageDict = pageDict;
- this.xref = xref;
- this.ref = ref;
- this.fontCache = fontCache;
- this.uniquePrefix = 'p' + this.pageIndex + '_';
- this.idCounters = { obj: 0 };
- this.evaluatorOptions = pdfManager.evaluatorOptions;
- this.resourcesPromise = null;
- }
- Page.prototype = {
- getPageProp: function Page_getPageProp(key) {
- return this.pageDict.get(key);
- },
- getInheritedPageProp: function Page_getInheritedPageProp(key) {
- var dict = this.pageDict, valueArray = null, loopCount = 0;
- var MAX_LOOP_COUNT = 100;
- // Always walk up the entire parent chain, to be able to find
- // e.g. \Resources placed on multiple levels of the tree.
- while (dict) {
- var value = dict.get(key);
- if (value) {
- if (!valueArray) {
- valueArray = [];
- }
- valueArray.push(value);
- }
- if (++loopCount > MAX_LOOP_COUNT) {
- warn('Page_getInheritedPageProp: maximum loop count exceeded.');
- break;
- }
- dict = dict.get('Parent');
- }
- if (!valueArray) {
- return Dict.empty;
- }
- if (valueArray.length === 1 || !isDict(valueArray[0]) || loopCount > MAX_LOOP_COUNT) {
- return valueArray[0];
- }
- return Dict.merge(this.xref, valueArray);
- },
- get content() {
- return this.getPageProp('Contents');
- },
- get resources() {
- // For robustness: The spec states that a \Resources entry has to be
- // present, but can be empty. Some document omit it still, in this case
- // we return an empty dictionary.
- return shadow(this, 'resources', this.getInheritedPageProp('Resources'));
- },
- get mediaBox() {
- var obj = this.getInheritedPageProp('MediaBox');
- // Reset invalid media box to letter size.
- if (!isArray(obj) || obj.length !== 4) {
- obj = LETTER_SIZE_MEDIABOX;
- }
- return shadow(this, 'mediaBox', obj);
- },
- get view() {
- var mediaBox = this.mediaBox;
- var cropBox = this.getInheritedPageProp('CropBox');
- if (!isArray(cropBox) || cropBox.length !== 4) {
- return shadow(this, 'view', mediaBox);
- }
- // From the spec, 6th ed., p.963:
- // "The crop, bleed, trim, and art boxes should not ordinarily
- // extend beyond the boundaries of the media box. If they do, they are
- // effectively reduced to their intersection with the media box."
- cropBox = Util.intersect(cropBox, mediaBox);
- if (!cropBox) {
- return shadow(this, 'view', mediaBox);
- }
- return shadow(this, 'view', cropBox);
- },
- get rotate() {
- var rotate = this.getInheritedPageProp('Rotate') || 0;
- // Normalize rotation so it's a multiple of 90 and between 0 and 270
- if (rotate % 90 !== 0) {
- rotate = 0;
- } else if (rotate >= 360) {
- rotate = rotate % 360;
- } else if (rotate < 0) {
- // The spec doesn't cover negatives, assume its counterclockwise
- // rotation. The following is the other implementation of modulo.
- rotate = (rotate % 360 + 360) % 360;
- }
- return shadow(this, 'rotate', rotate);
- },
- getContentStream: function Page_getContentStream() {
- var content = this.content;
- var stream;
- if (isArray(content)) {
- // fetching items
- var xref = this.xref;
- var i, n = content.length;
- var streams = [];
- for (i = 0; i < n; ++i) {
- streams.push(xref.fetchIfRef(content[i]));
- }
- stream = new StreamsSequenceStream(streams);
- } else if (isStream(content)) {
- stream = content;
- } else {
- // replacing non-existent page content with empty one
- stream = new NullStream();
- }
- return stream;
- },
- loadResources: function Page_loadResources(keys) {
- if (!this.resourcesPromise) {
- // TODO: add async getInheritedPageProp and remove this.
- this.resourcesPromise = this.pdfManager.ensure(this, 'resources');
- }
- return this.resourcesPromise.then(function resourceSuccess() {
- var objectLoader = new ObjectLoader(this.resources.map, keys, this.xref);
- return objectLoader.load();
- }.bind(this));
- },
- getOperatorList: function Page_getOperatorList(handler, task, intent, renderInteractiveForms) {
- var self = this;
- var pdfManager = this.pdfManager;
- var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', []);
- var resourcesPromise = this.loadResources([
- 'ExtGState',
- 'ColorSpace',
- 'Pattern',
- 'Shading',
- 'XObject',
- 'Font'
- ]);
- // ProcSet
- // Properties
- var partialEvaluator = new PartialEvaluator(pdfManager, this.xref, handler, this.pageIndex, this.uniquePrefix, this.idCounters, this.fontCache, this.evaluatorOptions);
- var dataPromises = Promise.all([
- contentStreamPromise,
- resourcesPromise
- ]);
- var pageListPromise = dataPromises.then(function (data) {
- var contentStream = data[0];
- var opList = new OperatorList(intent, handler, self.pageIndex);
- handler.send('StartRenderPage', {
- transparency: partialEvaluator.hasBlendModes(self.resources),
- pageIndex: self.pageIndex,
- intent: intent
- });
- return partialEvaluator.getOperatorList(contentStream, task, self.resources, opList).then(function () {
- return opList;
- });
- });
- var annotationsPromise = pdfManager.ensure(this, 'annotations');
- return Promise.all([
- pageListPromise,
- annotationsPromise
- ]).then(function (datas) {
- var pageOpList = datas[0];
- var annotations = datas[1];
- if (annotations.length === 0) {
- pageOpList.flush(true);
- return pageOpList;
- }
- var annotationsReadyPromise = Annotation.appendToOperatorList(annotations, pageOpList, partialEvaluator, task, intent, renderInteractiveForms);
- return annotationsReadyPromise.then(function () {
- pageOpList.flush(true);
- return pageOpList;
- });
- });
- },
- extractTextContent: function Page_extractTextContent(task, normalizeWhitespace, combineTextItems) {
- var handler = {
- on: function nullHandlerOn() {
- },
- send: function nullHandlerSend() {
- }
- };
- var self = this;
- var pdfManager = this.pdfManager;
- var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', []);
- var resourcesPromise = this.loadResources([
- 'ExtGState',
- 'XObject',
- 'Font'
- ]);
- var dataPromises = Promise.all([
- contentStreamPromise,
- resourcesPromise
- ]);
- return dataPromises.then(function (data) {
- var contentStream = data[0];
- var partialEvaluator = new PartialEvaluator(pdfManager, self.xref, handler, self.pageIndex, self.uniquePrefix, self.idCounters, self.fontCache, self.evaluatorOptions);
- return partialEvaluator.getTextContent(contentStream, task, self.resources, /* stateManager = */
- null, normalizeWhitespace, combineTextItems);
- });
- },
- getAnnotationsData: function Page_getAnnotationsData(intent) {
- var annotations = this.annotations;
- var annotationsData = [];
- for (var i = 0, n = annotations.length; i < n; ++i) {
- if (intent) {
- if (!(intent === 'display' && annotations[i].viewable) && !(intent === 'print' && annotations[i].printable)) {
- continue;
- }
- }
- annotationsData.push(annotations[i].data);
- }
- return annotationsData;
- },
- get annotations() {
- var annotations = [];
- var annotationRefs = this.getInheritedPageProp('Annots') || [];
- var annotationFactory = new AnnotationFactory();
- for (var i = 0, n = annotationRefs.length; i < n; ++i) {
- var annotationRef = annotationRefs[i];
- var annotation = annotationFactory.create(this.xref, annotationRef, this.pdfManager, this.uniquePrefix, this.idCounters);
- if (annotation) {
- annotations.push(annotation);
- }
- }
- return shadow(this, 'annotations', annotations);
- }
- };
- return Page;
- }();
- /**
- * The `PDFDocument` holds all the data of the PDF file. Compared to the
- * `PDFDoc`, this one doesn't have any job management code.
- * Right now there exists one PDFDocument on the main thread + one object
- * for each worker. If there is no worker support enabled, there are two
- * `PDFDocument` objects on the main thread created.
- */
- var PDFDocument = function PDFDocumentClosure() {
- var FINGERPRINT_FIRST_BYTES = 1024;
- var EMPTY_FINGERPRINT = '\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00';
- function PDFDocument(pdfManager, arg, password) {
- if (isStream(arg)) {
- init.call(this, pdfManager, arg, password);
- } else if (isArrayBuffer(arg)) {
- init.call(this, pdfManager, new Stream(arg), password);
- } else {
- error('PDFDocument: Unknown argument type');
- }
- }
- function init(pdfManager, stream, password) {
- assert(stream.length > 0, 'stream must have data');
- this.pdfManager = pdfManager;
- this.stream = stream;
- var xref = new XRef(this.stream, password, pdfManager);
- this.xref = xref;
- }
- function find(stream, needle, limit, backwards) {
- var pos = stream.pos;
- var end = stream.end;
- var strBuf = [];
- if (pos + limit > end) {
- limit = end - pos;
- }
- for (var n = 0; n < limit; ++n) {
- strBuf.push(String.fromCharCode(stream.getByte()));
- }
- var str = strBuf.join('');
- stream.pos = pos;
- var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle);
- if (index === -1) {
- return false;
- }
- /* not found */
- stream.pos += index;
- return true;
- }
- /* found */
- var DocumentInfoValidators = {
- get entries() {
- // Lazily build this since all the validation functions below are not
- // defined until after this file loads.
- return shadow(this, 'entries', {
- Title: isString,
- Author: isString,
- Subject: isString,
- Keywords: isString,
- Creator: isString,
- Producer: isString,
- CreationDate: isString,
- ModDate: isString,
- Trapped: isName
- });
- }
- };
- PDFDocument.prototype = {
- parse: function PDFDocument_parse(recoveryMode) {
- this.setup(recoveryMode);
- var version = this.catalog.catDict.get('Version');
- if (isName(version)) {
- this.pdfFormatVersion = version.name;
- }
- try {
- // checking if AcroForm is present
- this.acroForm = this.catalog.catDict.get('AcroForm');
- if (this.acroForm) {
- this.xfa = this.acroForm.get('XFA');
- var fields = this.acroForm.get('Fields');
- if ((!fields || !isArray(fields) || fields.length === 0) && !this.xfa) {
- // no fields and no XFA -- not a form (?)
- this.acroForm = null;
- }
- }
- } catch (ex) {
- info('Something wrong with AcroForm entry');
- this.acroForm = null;
- }
- },
- get linearization() {
- var linearization = null;
- if (this.stream.length) {
- try {
- linearization = Linearization.create(this.stream);
- } catch (err) {
- if (err instanceof MissingDataException) {
- throw err;
- }
- info(err);
- }
- }
- // shadow the prototype getter with a data property
- return shadow(this, 'linearization', linearization);
- },
- get startXRef() {
- var stream = this.stream;
- var startXRef = 0;
- var linearization = this.linearization;
- if (linearization) {
- // Find end of first obj.
- stream.reset();
- if (find(stream, 'endobj', 1024)) {
- startXRef = stream.pos + 6;
- }
- } else {
- // Find startxref by jumping backward from the end of the file.
- var step = 1024;
- var found = false, pos = stream.end;
- while (!found && pos > 0) {
- pos -= step - 'startxref'.length;
- if (pos < 0) {
- pos = 0;
- }
- stream.pos = pos;
- found = find(stream, 'startxref', step, true);
- }
- if (found) {
- stream.skip(9);
- var ch;
- do {
- ch = stream.getByte();
- } while (isSpace(ch));
- var str = '';
- while (ch >= 0x20 && ch <= 0x39) {
- // < '9'
- str += String.fromCharCode(ch);
- ch = stream.getByte();
- }
- startXRef = parseInt(str, 10);
- if (isNaN(startXRef)) {
- startXRef = 0;
- }
- }
- }
- // shadow the prototype getter with a data property
- return shadow(this, 'startXRef', startXRef);
- },
- get mainXRefEntriesOffset() {
- var mainXRefEntriesOffset = 0;
- var linearization = this.linearization;
- if (linearization) {
- mainXRefEntriesOffset = linearization.mainXRefEntriesOffset;
- }
- // shadow the prototype getter with a data property
- return shadow(this, 'mainXRefEntriesOffset', mainXRefEntriesOffset);
- },
- // Find the header, remove leading garbage and setup the stream
- // starting from the header.
- checkHeader: function PDFDocument_checkHeader() {
- var stream = this.stream;
- stream.reset();
- if (find(stream, '%PDF-', 1024)) {
- // Found the header, trim off any garbage before it.
- stream.moveStart();
- // Reading file format version
- var MAX_VERSION_LENGTH = 12;
- var version = '', ch;
- while ((ch = stream.getByte()) > 0x20) {
- // SPACE
- if (version.length >= MAX_VERSION_LENGTH) {
- break;
- }
- version += String.fromCharCode(ch);
- }
- if (!this.pdfFormatVersion) {
- // removing "%PDF-"-prefix
- this.pdfFormatVersion = version.substring(5);
- }
- return;
- }
- },
- // May not be a PDF file, continue anyway.
- parseStartXRef: function PDFDocument_parseStartXRef() {
- var startXRef = this.startXRef;
- this.xref.setStartXRef(startXRef);
- },
- setup: function PDFDocument_setup(recoveryMode) {
- this.xref.parse(recoveryMode);
- var self = this;
- var pageFactory = {
- createPage: function (pageIndex, dict, ref, fontCache) {
- return new Page(self.pdfManager, self.xref, pageIndex, dict, ref, fontCache);
- }
- };
- this.catalog = new Catalog(this.pdfManager, this.xref, pageFactory);
- },
- get numPages() {
- var linearization = this.linearization;
- var num = linearization ? linearization.numPages : this.catalog.numPages;
- // shadow the prototype getter
- return shadow(this, 'numPages', num);
- },
- get documentInfo() {
- var docInfo = {
- PDFFormatVersion: this.pdfFormatVersion,
- IsAcroFormPresent: !!this.acroForm,
- IsXFAPresent: !!this.xfa
- };
- var infoDict;
- try {
- infoDict = this.xref.trailer.get('Info');
- } catch (err) {
- info('The document information dictionary is invalid.');
- }
- if (infoDict) {
- var validEntries = DocumentInfoValidators.entries;
- // Only fill the document info with valid entries from the spec.
- for (var key in validEntries) {
- if (infoDict.has(key)) {
- var value = infoDict.get(key);
- // Make sure the value conforms to the spec.
- if (validEntries[key](value)) {
- docInfo[key] = typeof value !== 'string' ? value : stringToPDFString(value);
- } else {
- info('Bad value in document info for "' + key + '"');
- }
- }
- }
- }
- return shadow(this, 'documentInfo', docInfo);
- },
- get fingerprint() {
- var xref = this.xref, hash, fileID = '';
- var idArray = xref.trailer.get('ID');
- if (idArray && isArray(idArray) && idArray[0] && isString(idArray[0]) && idArray[0] !== EMPTY_FINGERPRINT) {
- hash = stringToBytes(idArray[0]);
- } else {
- if (this.stream.ensureRange) {
- this.stream.ensureRange(0, Math.min(FINGERPRINT_FIRST_BYTES, this.stream.end));
- }
- hash = calculateMD5(this.stream.bytes.subarray(0, FINGERPRINT_FIRST_BYTES), 0, FINGERPRINT_FIRST_BYTES);
- }
- for (var i = 0, n = hash.length; i < n; i++) {
- var hex = hash[i].toString(16);
- fileID += hex.length === 1 ? '0' + hex : hex;
- }
- return shadow(this, 'fingerprint', fileID);
- },
- getPage: function PDFDocument_getPage(pageIndex) {
- return this.catalog.getPage(pageIndex);
- },
- cleanup: function PDFDocument_cleanup() {
- return this.catalog.cleanup();
- }
- };
- return PDFDocument;
- }();
- exports.Page = Page;
- exports.PDFDocument = PDFDocument;
- }));
- (function (root, factory) {
- factory(root.pdfjsCorePdfManager = {}, root.pdfjsSharedUtil, root.pdfjsCoreStream, root.pdfjsCoreChunkedStream, root.pdfjsCoreDocument);
- }(this, function (exports, sharedUtil, coreStream, coreChunkedStream, coreDocument) {
- var warn = sharedUtil.warn;
- var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl;
- var shadow = sharedUtil.shadow;
- var NotImplementedException = sharedUtil.NotImplementedException;
- var MissingDataException = sharedUtil.MissingDataException;
- var createPromiseCapability = sharedUtil.createPromiseCapability;
- var Util = sharedUtil.Util;
- var Stream = coreStream.Stream;
- var ChunkedStreamManager = coreChunkedStream.ChunkedStreamManager;
- var PDFDocument = coreDocument.PDFDocument;
- var BasePdfManager = function BasePdfManagerClosure() {
- function BasePdfManager() {
- throw new Error('Cannot initialize BaseManagerManager');
- }
- BasePdfManager.prototype = {
- get docId() {
- return this._docId;
- },
- get docBaseUrl() {
- var docBaseUrl = null;
- if (this._docBaseUrl) {
- var absoluteUrl = createValidAbsoluteUrl(this._docBaseUrl);
- if (absoluteUrl) {
- docBaseUrl = absoluteUrl.href;
- } else {
- warn('Invalid absolute docBaseUrl: "' + this._docBaseUrl + '".');
- }
- }
- return shadow(this, 'docBaseUrl', docBaseUrl);
- },
- onLoadedStream: function BasePdfManager_onLoadedStream() {
- throw new NotImplementedException();
- },
- ensureDoc: function BasePdfManager_ensureDoc(prop, args) {
- return this.ensure(this.pdfDocument, prop, args);
- },
- ensureXRef: function BasePdfManager_ensureXRef(prop, args) {
- return this.ensure(this.pdfDocument.xref, prop, args);
- },
- ensureCatalog: function BasePdfManager_ensureCatalog(prop, args) {
- return this.ensure(this.pdfDocument.catalog, prop, args);
- },
- getPage: function BasePdfManager_getPage(pageIndex) {
- return this.pdfDocument.getPage(pageIndex);
- },
- cleanup: function BasePdfManager_cleanup() {
- return this.pdfDocument.cleanup();
- },
- ensure: function BasePdfManager_ensure(obj, prop, args) {
- return new NotImplementedException();
- },
- requestRange: function BasePdfManager_requestRange(begin, end) {
- return new NotImplementedException();
- },
- requestLoadedStream: function BasePdfManager_requestLoadedStream() {
- return new NotImplementedException();
- },
- sendProgressiveData: function BasePdfManager_sendProgressiveData(chunk) {
- return new NotImplementedException();
- },
- updatePassword: function BasePdfManager_updatePassword(password) {
- this.pdfDocument.xref.password = this.password = password;
- if (this._passwordChangedCapability) {
- this._passwordChangedCapability.resolve();
- }
- },
- passwordChanged: function BasePdfManager_passwordChanged() {
- this._passwordChangedCapability = createPromiseCapability();
- return this._passwordChangedCapability.promise;
- },
- terminate: function BasePdfManager_terminate() {
- return new NotImplementedException();
- }
- };
- return BasePdfManager;
- }();
- var LocalPdfManager = function LocalPdfManagerClosure() {
- function LocalPdfManager(docId, data, password, evaluatorOptions, docBaseUrl) {
- this._docId = docId;
- this._docBaseUrl = docBaseUrl;
- this.evaluatorOptions = evaluatorOptions;
- var stream = new Stream(data);
- this.pdfDocument = new PDFDocument(this, stream, password);
- this._loadedStreamCapability = createPromiseCapability();
- this._loadedStreamCapability.resolve(stream);
- }
- Util.inherit(LocalPdfManager, BasePdfManager, {
- ensure: function LocalPdfManager_ensure(obj, prop, args) {
- return new Promise(function (resolve, reject) {
- try {
- var value = obj[prop];
- var result;
- if (typeof value === 'function') {
- result = value.apply(obj, args);
- } else {
- result = value;
- }
- resolve(result);
- } catch (e) {
- reject(e);
- }
- });
- },
- requestRange: function LocalPdfManager_requestRange(begin, end) {
- return Promise.resolve();
- },
- requestLoadedStream: function LocalPdfManager_requestLoadedStream() {
- return;
- },
- onLoadedStream: function LocalPdfManager_onLoadedStream() {
- return this._loadedStreamCapability.promise;
- },
- terminate: function LocalPdfManager_terminate() {
- return;
- }
- });
- return LocalPdfManager;
- }();
- var NetworkPdfManager = function NetworkPdfManagerClosure() {
- function NetworkPdfManager(docId, pdfNetworkStream, args, evaluatorOptions, docBaseUrl) {
- this._docId = docId;
- this._docBaseUrl = docBaseUrl;
- this.msgHandler = args.msgHandler;
- this.evaluatorOptions = evaluatorOptions;
- var params = {
- msgHandler: args.msgHandler,
- url: args.url,
- length: args.length,
- disableAutoFetch: args.disableAutoFetch,
- rangeChunkSize: args.rangeChunkSize
- };
- this.streamManager = new ChunkedStreamManager(pdfNetworkStream, params);
- this.pdfDocument = new PDFDocument(this, this.streamManager.getStream(), args.password);
- }
- Util.inherit(NetworkPdfManager, BasePdfManager, {
- ensure: function NetworkPdfManager_ensure(obj, prop, args) {
- var pdfManager = this;
- return new Promise(function (resolve, reject) {
- function ensureHelper() {
- try {
- var result;
- var value = obj[prop];
- if (typeof value === 'function') {
- result = value.apply(obj, args);
- } else {
- result = value;
- }
- resolve(result);
- } catch (e) {
- if (!(e instanceof MissingDataException)) {
- reject(e);
- return;
- }
- pdfManager.streamManager.requestRange(e.begin, e.end).then(ensureHelper, reject);
- }
- }
- ensureHelper();
- });
- },
- requestRange: function NetworkPdfManager_requestRange(begin, end) {
- return this.streamManager.requestRange(begin, end);
- },
- requestLoadedStream: function NetworkPdfManager_requestLoadedStream() {
- this.streamManager.requestAllChunks();
- },
- sendProgressiveData: function NetworkPdfManager_sendProgressiveData(chunk) {
- this.streamManager.onReceiveData({ chunk: chunk });
- },
- onLoadedStream: function NetworkPdfManager_onLoadedStream() {
- return this.streamManager.onLoadedStream();
- },
- terminate: function NetworkPdfManager_terminate() {
- this.streamManager.abort();
- }
- });
- return NetworkPdfManager;
- }();
- exports.LocalPdfManager = LocalPdfManager;
- exports.NetworkPdfManager = NetworkPdfManager;
- }));
- (function (root, factory) {
- factory(root.pdfjsCoreWorker = {}, root.pdfjsSharedUtil, root.pdfjsCorePrimitives, root.pdfjsCorePdfManager);
- }(this, function (exports, sharedUtil, corePrimitives, corePdfManager) {
- var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
- var InvalidPDFException = sharedUtil.InvalidPDFException;
- var MessageHandler = sharedUtil.MessageHandler;
- var MissingPDFException = sharedUtil.MissingPDFException;
- var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
- var PasswordException = sharedUtil.PasswordException;
- var PasswordResponses = sharedUtil.PasswordResponses;
- var UnknownErrorException = sharedUtil.UnknownErrorException;
- var XRefParseException = sharedUtil.XRefParseException;
- var arrayByteLength = sharedUtil.arrayByteLength;
- var arraysToBytes = sharedUtil.arraysToBytes;
- var assert = sharedUtil.assert;
- var createPromiseCapability = sharedUtil.createPromiseCapability;
- var error = sharedUtil.error;
- var info = sharedUtil.info;
- var warn = sharedUtil.warn;
- var setVerbosityLevel = sharedUtil.setVerbosityLevel;
- var Ref = corePrimitives.Ref;
- var LocalPdfManager = corePdfManager.LocalPdfManager;
- var NetworkPdfManager = corePdfManager.NetworkPdfManager;
- var globalScope = sharedUtil.globalScope;
- var WorkerTask = function WorkerTaskClosure() {
- function WorkerTask(name) {
- this.name = name;
- this.terminated = false;
- this._capability = createPromiseCapability();
- }
- WorkerTask.prototype = {
- get finished() {
- return this._capability.promise;
- },
- finish: function () {
- this._capability.resolve();
- },
- terminate: function () {
- this.terminated = true;
- },
- ensureNotTerminated: function () {
- if (this.terminated) {
- throw new Error('Worker task was terminated');
- }
- }
- };
- return WorkerTask;
- }();
- /** @implements {IPDFStream} */
- var PDFWorkerStream = function PDFWorkerStreamClosure() {
- function PDFWorkerStream(params, msgHandler) {
- this._queuedChunks = [];
- var initialData = params.initialData;
- if (initialData && initialData.length > 0) {
- this._queuedChunks.push(initialData);
- }
- this._msgHandler = msgHandler;
- this._isRangeSupported = !params.disableRange;
- this._isStreamingSupported = !params.disableStream;
- this._contentLength = params.length;
- this._fullRequestReader = null;
- this._rangeReaders = [];
- msgHandler.on('OnDataRange', this._onReceiveData.bind(this));
- msgHandler.on('OnDataProgress', this._onProgress.bind(this));
- }
- PDFWorkerStream.prototype = {
- _onReceiveData: function PDFWorkerStream_onReceiveData(args) {
- if (args.begin === undefined) {
- if (this._fullRequestReader) {
- this._fullRequestReader._enqueue(args.chunk);
- } else {
- this._queuedChunks.push(args.chunk);
- }
- } else {
- var found = this._rangeReaders.some(function (rangeReader) {
- if (rangeReader._begin !== args.begin) {
- return false;
- }
- rangeReader._enqueue(args.chunk);
- return true;
- });
- assert(found);
- }
- },
- _onProgress: function PDFWorkerStream_onProgress(evt) {
- if (this._rangeReaders.length > 0) {
- // Reporting to first range reader.
- var firstReader = this._rangeReaders[0];
- if (firstReader.onProgress) {
- firstReader.onProgress({ loaded: evt.loaded });
- }
- }
- },
- _removeRangeReader: function PDFWorkerStream_removeRangeReader(reader) {
- var i = this._rangeReaders.indexOf(reader);
- if (i >= 0) {
- this._rangeReaders.splice(i, 1);
- }
- },
- getFullReader: function PDFWorkerStream_getFullReader() {
- assert(!this._fullRequestReader);
- var queuedChunks = this._queuedChunks;
- this._queuedChunks = null;
- return new PDFWorkerStreamReader(this, queuedChunks);
- },
- getRangeReader: function PDFWorkerStream_getRangeReader(begin, end) {
- var reader = new PDFWorkerStreamRangeReader(this, begin, end);
- this._msgHandler.send('RequestDataRange', {
- begin: begin,
- end: end
- });
- this._rangeReaders.push(reader);
- return reader;
- },
- cancelAllRequests: function PDFWorkerStream_cancelAllRequests(reason) {
- if (this._fullRequestReader) {
- this._fullRequestReader.cancel(reason);
- }
- var readers = this._rangeReaders.slice(0);
- readers.forEach(function (rangeReader) {
- rangeReader.cancel(reason);
- });
- }
- };
- /** @implements {IPDFStreamReader} */
- function PDFWorkerStreamReader(stream, queuedChunks) {
- this._stream = stream;
- this._done = false;
- this._queuedChunks = queuedChunks || [];
- this._requests = [];
- this._headersReady = Promise.resolve();
- stream._fullRequestReader = this;
- this.onProgress = null;
- }
- // not used
- PDFWorkerStreamReader.prototype = {
- _enqueue: function PDFWorkerStreamReader_enqueue(chunk) {
- if (this._done) {
- return;
- }
- // ignore new data
- if (this._requests.length > 0) {
- var requestCapability = this._requests.shift();
- requestCapability.resolve({
- value: chunk,
- done: false
- });
- return;
- }
- this._queuedChunks.push(chunk);
- },
- get headersReady() {
- return this._headersReady;
- },
- get isRangeSupported() {
- return this._stream._isRangeSupported;
- },
- get isStreamingSupported() {
- return this._stream._isStreamingSupported;
- },
- get contentLength() {
- return this._stream._contentLength;
- },
- read: function PDFWorkerStreamReader_read() {
- if (this._queuedChunks.length > 0) {
- var chunk = this._queuedChunks.shift();
- return Promise.resolve({
- value: chunk,
- done: false
- });
- }
- if (this._done) {
- return Promise.resolve({
- value: undefined,
- done: true
- });
- }
- var requestCapability = createPromiseCapability();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- },
- cancel: function PDFWorkerStreamReader_cancel(reason) {
- this._done = true;
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- }
- };
- /** @implements {IPDFStreamRangeReader} */
- function PDFWorkerStreamRangeReader(stream, begin, end) {
- this._stream = stream;
- this._begin = begin;
- this._end = end;
- this._queuedChunk = null;
- this._requests = [];
- this._done = false;
- this.onProgress = null;
- }
- PDFWorkerStreamRangeReader.prototype = {
- _enqueue: function PDFWorkerStreamRangeReader_enqueue(chunk) {
- if (this._done) {
- return;
- }
- // ignore new data
- if (this._requests.length === 0) {
- this._queuedChunk = chunk;
- } else {
- var requestsCapability = this._requests.shift();
- requestsCapability.resolve({
- value: chunk,
- done: false
- });
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- }
- this._done = true;
- this._stream._removeRangeReader(this);
- },
- get isStreamingSupported() {
- return false;
- },
- read: function PDFWorkerStreamRangeReader_read() {
- if (this._queuedChunk) {
- return Promise.resolve({
- value: this._queuedChunk,
- done: false
- });
- }
- if (this._done) {
- return Promise.resolve({
- value: undefined,
- done: true
- });
- }
- var requestCapability = createPromiseCapability();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- },
- cancel: function PDFWorkerStreamRangeReader_cancel(reason) {
- this._done = true;
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- this._stream._removeRangeReader(this);
- }
- };
- return PDFWorkerStream;
- }();
- /** @type IPDFStream */
- var PDFNetworkStream;
- /**
- * Sets PDFNetworkStream class to be used as alternative PDF data transport.
- * @param {IPDFStream} cls - the PDF data transport.
- */
- function setPDFNetworkStreamClass(cls) {
- PDFNetworkStream = cls;
- }
- var WorkerMessageHandler = {
- setup: function wphSetup(handler, port) {
- var testMessageProcessed = false;
- handler.on('test', function wphSetupTest(data) {
- if (testMessageProcessed) {
- return;
- }
- // we already processed 'test' message once
- testMessageProcessed = true;
- // check if Uint8Array can be sent to worker
- if (!(data instanceof Uint8Array)) {
- handler.send('test', 'main', false);
- return;
- }
- // making sure postMessage transfers are working
- var supportTransfers = data[0] === 255;
- handler.postMessageTransfers = supportTransfers;
- // check if the response property is supported by xhr
- var xhr = new XMLHttpRequest();
- var responseExists = 'response' in xhr;
- // check if the property is actually implemented
- try {
- var dummy = xhr.responseType;
- } catch (e) {
- responseExists = false;
- }
- if (!responseExists) {
- handler.send('test', false);
- return;
- }
- handler.send('test', {
- supportTypedArray: true,
- supportTransfers: supportTransfers
- });
- });
- handler.on('configure', function wphConfigure(data) {
- setVerbosityLevel(data.verbosity);
- });
- handler.on('GetDocRequest', function wphSetupDoc(data) {
- return WorkerMessageHandler.createDocumentHandler(data, port);
- });
- },
- createDocumentHandler: function wphCreateDocumentHandler(docParams, port) {
- // This context is actually holds references on pdfManager and handler,
- // until the latter is destroyed.
- var pdfManager;
- var terminated = false;
- var cancelXHRs = null;
- var WorkerTasks = [];
- var docId = docParams.docId;
- var docBaseUrl = docParams.docBaseUrl;
- var workerHandlerName = docParams.docId + '_worker';
- var handler = new MessageHandler(workerHandlerName, docId, port);
- // Ensure that postMessage transfers are correctly enabled/disabled,
- // to prevent "DataCloneError" in older versions of IE (see issue 6957).
- handler.postMessageTransfers = docParams.postMessageTransfers;
- function ensureNotTerminated() {
- if (terminated) {
- throw new Error('Worker was terminated');
- }
- }
- function startWorkerTask(task) {
- WorkerTasks.push(task);
- }
- function finishWorkerTask(task) {
- task.finish();
- var i = WorkerTasks.indexOf(task);
- WorkerTasks.splice(i, 1);
- }
- function loadDocument(recoveryMode) {
- var loadDocumentCapability = createPromiseCapability();
- var parseSuccess = function parseSuccess() {
- var numPagesPromise = pdfManager.ensureDoc('numPages');
- var fingerprintPromise = pdfManager.ensureDoc('fingerprint');
- var encryptedPromise = pdfManager.ensureXRef('encrypt');
- Promise.all([
- numPagesPromise,
- fingerprintPromise,
- encryptedPromise
- ]).then(function onDocReady(results) {
- var doc = {
- numPages: results[0],
- fingerprint: results[1],
- encrypted: !!results[2]
- };
- loadDocumentCapability.resolve(doc);
- }, parseFailure);
- };
- var parseFailure = function parseFailure(e) {
- loadDocumentCapability.reject(e);
- };
- pdfManager.ensureDoc('checkHeader', []).then(function () {
- pdfManager.ensureDoc('parseStartXRef', []).then(function () {
- pdfManager.ensureDoc('parse', [recoveryMode]).then(parseSuccess, parseFailure);
- }, parseFailure);
- }, parseFailure);
- return loadDocumentCapability.promise;
- }
- function getPdfManager(data, evaluatorOptions) {
- var pdfManagerCapability = createPromiseCapability();
- var pdfManager;
- var source = data.source;
- if (source.data) {
- try {
- pdfManager = new LocalPdfManager(docId, source.data, source.password, evaluatorOptions, docBaseUrl);
- pdfManagerCapability.resolve(pdfManager);
- } catch (ex) {
- pdfManagerCapability.reject(ex);
- }
- return pdfManagerCapability.promise;
- }
- var pdfStream;
- try {
- if (source.chunkedViewerLoading) {
- pdfStream = new PDFWorkerStream(source, handler);
- } else {
- assert(PDFNetworkStream, 'pdfjs/core/network module is not loaded');
- pdfStream = new PDFNetworkStream(data);
- }
- } catch (ex) {
- pdfManagerCapability.reject(ex);
- return pdfManagerCapability.promise;
- }
- var fullRequest = pdfStream.getFullReader();
- fullRequest.headersReady.then(function () {
- if (!fullRequest.isStreamingSupported || !fullRequest.isRangeSupported) {
- // If stream or range are disabled, it's our only way to report
- // loading progress.
- fullRequest.onProgress = function (evt) {
- handler.send('DocProgress', {
- loaded: evt.loaded,
- total: evt.total
- });
- };
- }
- if (!fullRequest.isRangeSupported) {
- return;
- }
- // We don't need auto-fetch when streaming is enabled.
- var disableAutoFetch = source.disableAutoFetch || fullRequest.isStreamingSupported;
- pdfManager = new NetworkPdfManager(docId, pdfStream, {
- msgHandler: handler,
- url: source.url,
- password: source.password,
- length: fullRequest.contentLength,
- disableAutoFetch: disableAutoFetch,
- rangeChunkSize: source.rangeChunkSize
- }, evaluatorOptions, docBaseUrl);
- pdfManagerCapability.resolve(pdfManager);
- cancelXHRs = null;
- }).catch(function (reason) {
- pdfManagerCapability.reject(reason);
- cancelXHRs = null;
- });
- var cachedChunks = [], loaded = 0;
- var flushChunks = function () {
- var pdfFile = arraysToBytes(cachedChunks);
- if (source.length && pdfFile.length !== source.length) {
- warn('reported HTTP length is different from actual');
- }
- // the data is array, instantiating directly from it
- try {
- pdfManager = new LocalPdfManager(docId, pdfFile, source.password, evaluatorOptions, docBaseUrl);
- pdfManagerCapability.resolve(pdfManager);
- } catch (ex) {
- pdfManagerCapability.reject(ex);
- }
- cachedChunks = [];
- };
- var readPromise = new Promise(function (resolve, reject) {
- var readChunk = function (chunk) {
- try {
- ensureNotTerminated();
- if (chunk.done) {
- if (!pdfManager) {
- flushChunks();
- }
- cancelXHRs = null;
- return;
- }
- var data = chunk.value;
- loaded += arrayByteLength(data);
- if (!fullRequest.isStreamingSupported) {
- handler.send('DocProgress', {
- loaded: loaded,
- total: Math.max(loaded, fullRequest.contentLength || 0)
- });
- }
- if (pdfManager) {
- pdfManager.sendProgressiveData(data);
- } else {
- cachedChunks.push(data);
- }
- fullRequest.read().then(readChunk, reject);
- } catch (e) {
- reject(e);
- }
- };
- fullRequest.read().then(readChunk, reject);
- });
- readPromise.catch(function (e) {
- pdfManagerCapability.reject(e);
- cancelXHRs = null;
- });
- cancelXHRs = function () {
- pdfStream.cancelAllRequests('abort');
- };
- return pdfManagerCapability.promise;
- }
- var setupDoc = function (data) {
- var onSuccess = function (doc) {
- ensureNotTerminated();
- handler.send('GetDoc', { pdfInfo: doc });
- };
- var onFailure = function (e) {
- if (e instanceof PasswordException) {
- if (e.code === PasswordResponses.NEED_PASSWORD) {
- handler.send('NeedPassword', e);
- } else if (e.code === PasswordResponses.INCORRECT_PASSWORD) {
- handler.send('IncorrectPassword', e);
- }
- } else if (e instanceof InvalidPDFException) {
- handler.send('InvalidPDF', e);
- } else if (e instanceof MissingPDFException) {
- handler.send('MissingPDF', e);
- } else if (e instanceof UnexpectedResponseException) {
- handler.send('UnexpectedResponse', e);
- } else {
- handler.send('UnknownError', new UnknownErrorException(e.message, e.toString()));
- }
- };
- ensureNotTerminated();
- var cMapOptions = {
- url: data.cMapUrl === undefined ? null : data.cMapUrl,
- packed: data.cMapPacked === true
- };
- var evaluatorOptions = {
- forceDataSchema: data.disableCreateObjectURL,
- maxImageSize: data.maxImageSize === undefined ? -1 : data.maxImageSize,
- disableFontFace: data.disableFontFace,
- cMapOptions: cMapOptions
- };
- getPdfManager(data, evaluatorOptions).then(function (newPdfManager) {
- if (terminated) {
- // We were in a process of setting up the manager, but it got
- // terminated in the middle.
- newPdfManager.terminate();
- throw new Error('Worker was terminated');
- }
- pdfManager = newPdfManager;
- handler.send('PDFManagerReady', null);
- pdfManager.onLoadedStream().then(function (stream) {
- handler.send('DataLoaded', { length: stream.bytes.byteLength });
- });
- }).then(function pdfManagerReady() {
- ensureNotTerminated();
- loadDocument(false).then(onSuccess, function loadFailure(ex) {
- ensureNotTerminated();
- // Try again with recoveryMode == true
- if (!(ex instanceof XRefParseException)) {
- if (ex instanceof PasswordException) {
- // after password exception prepare to receive a new password
- // to repeat loading
- pdfManager.passwordChanged().then(pdfManagerReady);
- }
- onFailure(ex);
- return;
- }
- pdfManager.requestLoadedStream();
- pdfManager.onLoadedStream().then(function () {
- ensureNotTerminated();
- loadDocument(true).then(onSuccess, onFailure);
- });
- }, onFailure);
- }, onFailure);
- };
- handler.on('GetPage', function wphSetupGetPage(data) {
- return pdfManager.getPage(data.pageIndex).then(function (page) {
- var rotatePromise = pdfManager.ensure(page, 'rotate');
- var refPromise = pdfManager.ensure(page, 'ref');
- var viewPromise = pdfManager.ensure(page, 'view');
- return Promise.all([
- rotatePromise,
- refPromise,
- viewPromise
- ]).then(function (results) {
- return {
- rotate: results[0],
- ref: results[1],
- view: results[2]
- };
- });
- });
- });
- handler.on('GetPageIndex', function wphSetupGetPageIndex(data) {
- var ref = new Ref(data.ref.num, data.ref.gen);
- var catalog = pdfManager.pdfDocument.catalog;
- return catalog.getPageIndex(ref);
- });
- handler.on('GetDestinations', function wphSetupGetDestinations(data) {
- return pdfManager.ensureCatalog('destinations');
- });
- handler.on('GetDestination', function wphSetupGetDestination(data) {
- return pdfManager.ensureCatalog('getDestination', [data.id]);
- });
- handler.on('GetPageLabels', function wphSetupGetPageLabels(data) {
- return pdfManager.ensureCatalog('pageLabels');
- });
- handler.on('GetAttachments', function wphSetupGetAttachments(data) {
- return pdfManager.ensureCatalog('attachments');
- });
- handler.on('GetJavaScript', function wphSetupGetJavaScript(data) {
- return pdfManager.ensureCatalog('javaScript');
- });
- handler.on('GetOutline', function wphSetupGetOutline(data) {
- return pdfManager.ensureCatalog('documentOutline');
- });
- handler.on('GetMetadata', function wphSetupGetMetadata(data) {
- return Promise.all([
- pdfManager.ensureDoc('documentInfo'),
- pdfManager.ensureCatalog('metadata')
- ]);
- });
- handler.on('GetData', function wphSetupGetData(data) {
- pdfManager.requestLoadedStream();
- return pdfManager.onLoadedStream().then(function (stream) {
- return stream.bytes;
- });
- });
- handler.on('GetStats', function wphSetupGetStats(data) {
- return pdfManager.pdfDocument.xref.stats;
- });
- handler.on('UpdatePassword', function wphSetupUpdatePassword(data) {
- pdfManager.updatePassword(data);
- });
- handler.on('GetAnnotations', function wphSetupGetAnnotations(data) {
- return pdfManager.getPage(data.pageIndex).then(function (page) {
- return pdfManager.ensure(page, 'getAnnotationsData', [data.intent]);
- });
- });
- handler.on('RenderPageRequest', function wphSetupRenderPage(data) {
- var pageIndex = data.pageIndex;
- pdfManager.getPage(pageIndex).then(function (page) {
- var task = new WorkerTask('RenderPageRequest: page ' + pageIndex);
- startWorkerTask(task);
- var pageNum = pageIndex + 1;
- var start = Date.now();
- // Pre compile the pdf page and fetch the fonts/images.
- page.getOperatorList(handler, task, data.intent, data.renderInteractiveForms).then(function (operatorList) {
- finishWorkerTask(task);
- info('page=' + pageNum + ' - getOperatorList: time=' + (Date.now() - start) + 'ms, len=' + operatorList.totalLength);
- }, function (e) {
- finishWorkerTask(task);
- if (task.terminated) {
- return;
- }
- // ignoring errors from the terminated thread
- // For compatibility with older behavior, generating unknown
- // unsupported feature notification on errors.
- handler.send('UnsupportedFeature', { featureId: UNSUPPORTED_FEATURES.unknown });
- var minimumStackMessage = 'worker.js: while trying to getPage() and getOperatorList()';
- var wrappedException;
- // Turn the error into an obj that can be serialized
- if (typeof e === 'string') {
- wrappedException = {
- message: e,
- stack: minimumStackMessage
- };
- } else if (typeof e === 'object') {
- wrappedException = {
- message: e.message || e.toString(),
- stack: e.stack || minimumStackMessage
- };
- } else {
- wrappedException = {
- message: 'Unknown exception type: ' + typeof e,
- stack: minimumStackMessage
- };
- }
- handler.send('PageError', {
- pageNum: pageNum,
- error: wrappedException,
- intent: data.intent
- });
- });
- });
- }, this);
- handler.on('GetTextContent', function wphExtractText(data) {
- var pageIndex = data.pageIndex;
- var normalizeWhitespace = data.normalizeWhitespace;
- var combineTextItems = data.combineTextItems;
- return pdfManager.getPage(pageIndex).then(function (page) {
- var task = new WorkerTask('GetTextContent: page ' + pageIndex);
- startWorkerTask(task);
- var pageNum = pageIndex + 1;
- var start = Date.now();
- return page.extractTextContent(task, normalizeWhitespace, combineTextItems).then(function (textContent) {
- finishWorkerTask(task);
- info('text indexing: page=' + pageNum + ' - time=' + (Date.now() - start) + 'ms');
- return textContent;
- }, function (reason) {
- finishWorkerTask(task);
- if (task.terminated) {
- return;
- }
- // ignoring errors from the terminated thread
- throw reason;
- });
- });
- });
- handler.on('Cleanup', function wphCleanup(data) {
- return pdfManager.cleanup();
- });
- handler.on('Terminate', function wphTerminate(data) {
- terminated = true;
- if (pdfManager) {
- pdfManager.terminate();
- pdfManager = null;
- }
- if (cancelXHRs) {
- cancelXHRs();
- }
- var waitOn = [];
- WorkerTasks.forEach(function (task) {
- waitOn.push(task.finished);
- task.terminate();
- });
- return Promise.all(waitOn).then(function () {
- // Notice that even if we destroying handler, resolved response promise
- // must be sent back.
- handler.destroy();
- handler = null;
- });
- });
- handler.on('Ready', function wphReady(data) {
- setupDoc(docParams);
- docParams = null;
- });
- // we don't need docParams anymore -- saving memory.
- return workerHandlerName;
- }
- };
- function initializeWorker() {
- var handler = new MessageHandler('worker', 'main', self);
- WorkerMessageHandler.setup(handler, self);
- handler.send('ready', null);
- }
- // Worker thread (and not node.js)?
- if (typeof window === 'undefined' && !(typeof module !== 'undefined' && module.require)) {
- initializeWorker();
- }
- exports.setPDFNetworkStreamClass = setPDFNetworkStreamClass;
- exports.WorkerTask = WorkerTask;
- exports.WorkerMessageHandler = WorkerMessageHandler;
- }));
- }.call(pdfjsLibs));
- exports.WorkerMessageHandler = pdfjsLibs.pdfjsCoreWorker.WorkerMessageHandler;
-}));
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();
-}
-
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-%%Copyright: copyright notice, this list of conditions and the following
-%%Copyright: disclaimer.
-%%Copyright:
-%%Copyright: Redistributions in binary form must reproduce the above
-%%Copyright: copyright notice, this list of conditions and the following
-%%Copyright: disclaimer in the documentation and/or other materials
-%%Copyright: provided with the distribution.
-%%Copyright:
-%%Copyright: Neither the name of Adobe Systems Incorporated nor the names
-%%Copyright: of its contributors may be used to endorse or promote
-%%Copyright: products derived from this software without specific prior
-%%Copyright: written permission.
-%%Copyright:
-%%Copyright: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-%%Copyright: CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-%%Copyright: INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-%%Copyright: MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-%%Copyright: DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-%%Copyright: CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-%%Copyright: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-%%Copyright: NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-%%Copyright: LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-%%Copyright: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-%%Copyright: CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-%%Copyright: OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-%%Copyright: SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-%%Copyright: -----------------------------------------------------------
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diff --git a/browser/extensions/pdfjs/content/web/cmaps/V.bcmap b/browser/extensions/pdfjs/content/web/cmaps/V.bcmap
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diff --git a/browser/extensions/pdfjs/content/web/cmaps/WP-Symbol.bcmap b/browser/extensions/pdfjs/content/web/cmaps/WP-Symbol.bcmap
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diff --git a/browser/extensions/pdfjs/content/web/debugger.js b/browser/extensions/pdfjs/content/web/debugger.js
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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 b/browser/extensions/pdfjs/content/web/images/annotation-check.svg
deleted file mode 100644
index 71cd16df5..000000000
--- a/browser/extensions/pdfjs/content/web/images/annotation-check.svg
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
- xmlns="http://www.w3.org/2000/svg"
- width="40"
- height="40"
- viewBox="0 0 40 40">
- <path
- d="M 1.5006714,23.536225 6.8925879,18.994244 14.585721,26.037937 34.019683,4.5410479 38.499329,9.2235032 14.585721,35.458952 z"
- id="path4"
- style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:1.25402856;stroke-opacity:1" />
-</svg>
diff --git a/browser/extensions/pdfjs/content/web/images/annotation-comment.svg b/browser/extensions/pdfjs/content/web/images/annotation-comment.svg
deleted file mode 100644
index 86f1f1724..000000000
--- a/browser/extensions/pdfjs/content/web/images/annotation-comment.svg
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
- xmlns="http://www.w3.org/2000/svg"
- height="40"
- width="40"
- viewBox="0 0 40 40">
- <rect
- style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
- width="33.76017"
- height="33.76017"
- x="3.119915"
- y="3.119915" />
- <path
- d="m 20.677967,8.54499 c -7.342801,0 -13.295293,4.954293 -13.295293,11.065751 0,2.088793 0.3647173,3.484376 1.575539,5.150563 L 6.0267418,31.45501 13.560595,29.011117 c 2.221262,1.387962 4.125932,1.665377 7.117372,1.665377 7.3428,0 13.295291,-4.954295 13.295291,-11.065753 0,-6.111458 -5.952491,-11.065751 -13.295291,-11.065751 z"
- style="fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.93031836;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"/>
-</svg>
diff --git a/browser/extensions/pdfjs/content/web/images/annotation-help.svg b/browser/extensions/pdfjs/content/web/images/annotation-help.svg
deleted file mode 100644
index 00938fefe..000000000
--- a/browser/extensions/pdfjs/content/web/images/annotation-help.svg
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
- xmlns="http://www.w3.org/2000/svg"
- width="40"
- height="40"
- viewBox="0 0 40 40">
- <g
- transform="translate(0,-60)"
- id="layer1">
- <rect
- width="36.460953"
- height="34.805603"
- x="1.7695236"
- y="62.597198"
- style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.30826771;stroke-opacity:1" />
- <g
- transform="matrix(0.88763677,0,0,0.88763677,2.2472646,8.9890584)">
- <path
- d="M 20,64.526342 C 11.454135,64.526342 4.5263421,71.454135 4.5263421,80 4.5263421,88.545865 11.454135,95.473658 20,95.473658 28.545865,95.473658 35.473658,88.545865 35.473658,80 35.473658,71.454135 28.545865,64.526342 20,64.526342 z m -0.408738,9.488564 c 3.527079,0 6.393832,2.84061 6.393832,6.335441 0,3.494831 -2.866753,6.335441 -6.393832,6.335441 -3.527079,0 -6.393832,-2.84061 -6.393832,-6.335441 0,-3.494831 2.866753,-6.335441 6.393832,-6.335441 z"
- style="fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:#000000;stroke-width:1.02768445;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
- <path
- d="m 7.2335209,71.819938 4.9702591,4.161823 c -1.679956,2.581606 -1.443939,6.069592 0.159325,8.677725 l -5.1263071,3.424463 c 0.67516,1.231452 3.0166401,3.547686 4.2331971,4.194757 l 3.907728,-4.567277 c 2.541952,1.45975 5.730694,1.392161 8.438683,-0.12614 l 3.469517,6.108336 c 1.129779,-0.44367 4.742234,-3.449633 5.416358,-5.003859 l -5.46204,-4.415541 c 1.44319,-2.424098 1.651175,-5.267515 0.557303,-7.748623 l 5.903195,-3.833951 C 33.14257,71.704996 30.616217,69.018606 29.02952,67.99296 l -4.118813,4.981678 C 22.411934,71.205099 18.900853,70.937534 16.041319,72.32916 l -3.595408,-5.322091 c -1.345962,0.579488 -4.1293881,2.921233 -5.2123901,4.812869 z m 8.1010311,3.426672 c 2.75284,-2.446266 6.769149,-2.144694 9.048998,0.420874 2.279848,2.56557 2.113919,6.596919 -0.638924,9.043185 -2.752841,2.446267 -6.775754,2.13726 -9.055604,-0.428308 -2.279851,-2.565568 -2.107313,-6.589485 0.64553,-9.035751 z"
- style="fill:#000000;fill-opacity:1;stroke:none" />
- </g>
- </g>
-</svg>
diff --git a/browser/extensions/pdfjs/content/web/images/annotation-insert.svg b/browser/extensions/pdfjs/content/web/images/annotation-insert.svg
deleted file mode 100644
index 519ef6826..000000000
--- a/browser/extensions/pdfjs/content/web/images/annotation-insert.svg
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
- xmlns="http://www.w3.org/2000/svg"
- width="64"
- height="64"
- viewBox="0 0 64 64">
- <path
- d="M 32.003143,1.4044602 57.432701,62.632577 6.5672991,62.627924 z"
- style="fill:#ffff00;fill-opacity:0.94117647;fill-rule:nonzero;stroke:#000000;stroke-width:1.00493038;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
-</svg>
diff --git a/browser/extensions/pdfjs/content/web/images/annotation-key.svg b/browser/extensions/pdfjs/content/web/images/annotation-key.svg
deleted file mode 100644
index 8d09d5378..000000000
--- a/browser/extensions/pdfjs/content/web/images/annotation-key.svg
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
- xmlns="http://www.w3.org/2000/svg"
- width="64"
- height="64"
- viewBox="0 0 64 64">
- <path
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-'use strict';
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-(function(window) {
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- }
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- return '{{' + key + '}}';
- }
- return substArguments(value, args);
- }
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- function translateElement(element) {
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- return;
- }
-
- // get the related l10n object
- var key = element.dataset.l10nId;
- var data = getL10nData(key);
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- 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) {
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- // translate element itself if necessary
- if (element.dataset.l10nId) {
- translateElement(element);
- }
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- function translateDocument() {
- gLanguage = gExternalLocalizerServices.getLocale();
-
- translateFragment();
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- // 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
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-
- // 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
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- margin-bottom: 10px;
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-
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-
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- margin: -1px -1px 4px -1px;
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-a:focus > .thumbnail > .thumbnailSelectionRing > .thumbnailImage,
-.thumbnail:hover > .thumbnailSelectionRing > .thumbnailImage {
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-
-a:focus > .thumbnail > .thumbnailSelectionRing,
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- background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
- background-clip: padding-box;
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-html[dir='ltr'] .outlineWithDeepNesting > .outlineItem,
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- of the container. */
- height: auto;
- margin-bottom: 1px;
- border-radius: 2px;
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-}
-html[dir='ltr'] .attachmentsItem > button {
- padding: 2px 0 3px 7px;
- text-align: left;
-}
-
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- padding: 2px 4px 5px 0;
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-html[dir='rtl'] .attachmentsItem > button {
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-
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- content: url(images/treeitem-expanded.png);
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- content: url(images/treeitem-collapsed.png);
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- float: right;
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-.noResults {
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- font-style: italic;
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-
-/* TODO: file FF bug to support ::-moz-selection:window-inactive
- so we can override the opaque grey background when the window is inactive;
- see https://bugzilla.mozilla.org/show_bug.cgi?id=706209 */
-::selection { background: rgba(0,0,255,0.3); }
-::-moz-selection { background: rgba(0,0,255,0.3); }
-
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- background: none repeat scroll 0 0 #FF5555;
- color: white;
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-.loadingInProgress #errorWrapper {
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-#errorMessageLeft {
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-
-#errorMoreInfo {
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-
-.overlayButton {
- width: auto;
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-
-#overlayContainer {
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- z-index: 40000;
-}
-#overlayContainer > * {
- overflow: auto;
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-
-#overlayContainer > .container {
- display: table-cell;
- vertical-align: middle;
- text-align: center;
-}
-
-#overlayContainer > .container > .dialog {
- display: inline-block;
- padding: 15px;
- border-spacing: 4px;
- color: hsl(0,0%,85%);
- font-size: 12px;
- line-height: 14px;
- background-color: #474747; /* fallback */
- background-image: url(images/texture.png),
- linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
- box-shadow: inset 1px 0 0 hsla(0,0%,100%,.08),
- inset 0 1px 1px hsla(0,0%,0%,.15),
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- border: 1px solid hsla(0,0%,0%,.5);
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- box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
-}
-
-.dialog > .row {
- display: table-row;
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-
-.dialog > .row > * {
- display: table-cell;
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-
-.dialog .toolbarField {
- margin: 5px 0;
-}
-
-.dialog .separator {
- display: block;
- margin: 4px 0 4px 0;
- height: 1px;
- width: 100%;
- background-color: hsla(0,0%,0%,.5);
- box-shadow: 0 0 0 1px hsla(0,0%,100%,.08);
-}
-
-.dialog .buttonRow {
- text-align: center;
- vertical-align: middle;
-}
-
-.dialog :link {
- color: white;
-}
-
-#passwordOverlay > .dialog {
- text-align: center;
-}
-#passwordOverlay .toolbarField {
- width: 200px;
-}
-
-#documentPropertiesOverlay > .dialog {
- text-align: left;
-}
-#documentPropertiesOverlay .row > * {
- min-width: 100px;
-}
-html[dir='ltr'] #documentPropertiesOverlay .row > * {
- text-align: left;
-}
-html[dir='rtl'] #documentPropertiesOverlay .row > * {
- text-align: right;
-}
-#documentPropertiesOverlay .row > span {
- width: 125px;
- word-wrap: break-word;
-}
-#documentPropertiesOverlay .row > p {
- max-width: 225px;
- word-wrap: break-word;
-}
-#documentPropertiesOverlay .buttonRow {
- margin-top: 10px;
-}
-
-.clearBoth {
- clear: both;
-}
-
-.fileInput {
- background: white;
- color: black;
- margin-top: 5px;
- visibility: hidden;
- position: fixed;
- right: 0;
- top: 0;
-}
-
-#PDFBug {
- background: none repeat scroll 0 0 white;
- border: 1px solid #666666;
- position: fixed;
- top: 32px;
- right: 0;
- bottom: 0;
- font-size: 10px;
- padding: 0;
- width: 300px;
-}
-#PDFBug .controls {
- background:#EEEEEE;
- border-bottom: 1px solid #666666;
- padding: 3px;
-}
-#PDFBug .panels {
- bottom: 0;
- left: 0;
- overflow: auto;
- position: absolute;
- right: 0;
- top: 27px;
-}
-#PDFBug button.active {
- font-weight: bold;
-}
-.debuggerShowText {
- background: none repeat scroll 0 0 yellow;
- color: blue;
-}
-.debuggerHideText:hover {
- background: none repeat scroll 0 0 yellow;
-}
-#PDFBug .stats {
- font-family: courier;
- font-size: 10px;
- white-space: pre;
-}
-#PDFBug .stats .title {
- font-weight: bold;
-}
-#PDFBug table {
- font-size: 10px;
-}
-
-#viewer.textLayer-visible .textLayer {
- opacity: 1.0;
-}
-
-#viewer.textLayer-visible .canvasWrapper {
- background-color: rgb(128,255,128);
-}
-
-#viewer.textLayer-visible .canvasWrapper canvas {
- mix-blend-mode: screen;
-}
-
-#viewer.textLayer-visible .textLayer > div {
- background-color: rgba(255, 255, 0, 0.1);
- color: black;
- border: solid 1px rgba(255, 0, 0, 0.5);
- box-sizing: border-box;
-}
-
-#viewer.textLayer-hover .textLayer > div:hover {
- background-color: white;
- color: black;
-}
-
-#viewer.textLayer-shadow .textLayer > div {
- background-color: rgba(255,255,255, .6);
- color: black;
-}
-
-.grab-to-pan-grab {
- cursor: url("images/grab.cur"), move !important;
- cursor: grab !important;
-}
-.grab-to-pan-grab *:not(input):not(textarea):not(button):not(select):not(:link) {
- cursor: inherit !important;
-}
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-.grab-to-pan-grabbing {
- cursor: url("images/grabbing.cur"), move !important;
- cursor: grabbing !important;
-
- position: fixed;
- background: transparent;
- display: block;
- top: 0;
- left: 0;
- right: 0;
- bottom: 0;
- overflow: hidden;
- z-index: 50000; /* should be higher than anything else in PDF.js! */
-}
-
-@page {
- margin: 0;
-}
-
-#printContainer {
- display: none;
-}
-
-@media screen and (min-resolution: 2dppx) {
- /* Rules for Retina screens */
- .toolbarButton::before {
- transform: scale(0.5);
- top: -5px;
- }
-
- .secondaryToolbarButton::before {
- transform: scale(0.5);
- top: -4px;
- }
-
- html[dir='ltr'] .toolbarButton::before,
- html[dir='rtl'] .toolbarButton::before {
- left: -1px;
- }
-
- html[dir='ltr'] .secondaryToolbarButton::before {
- left: -2px;
- }
- html[dir='rtl'] .secondaryToolbarButton::before {
- left: 186px;
- }
-
- .toolbarField.pageNumber.visiblePageIsLoading,
- #findInput[data-status="pending"] {
- background-image: url(images/loading-small@2x.png);
- background-size: 16px 17px;
- }
-
- .dropdownToolbarButton {
- background: url(images/toolbarButton-menuArrows@2x.png) no-repeat;
- background-size: 7px 16px;
- }
-
- html[dir='ltr'] .toolbarButton#sidebarToggle::before {
- content: url(images/toolbarButton-sidebarToggle@2x.png);
- }
- html[dir='rtl'] .toolbarButton#sidebarToggle::before {
- content: url(images/toolbarButton-sidebarToggle-rtl@2x.png);
- }
-
- html[dir='ltr'] .toolbarButton#secondaryToolbarToggle::before {
- content: url(images/toolbarButton-secondaryToolbarToggle@2x.png);
- }
- html[dir='rtl'] .toolbarButton#secondaryToolbarToggle::before {
- content: url(images/toolbarButton-secondaryToolbarToggle-rtl@2x.png);
- }
-
- html[dir='ltr'] .toolbarButton.findPrevious::before {
- content: url(images/findbarButton-previous@2x.png);
- }
- html[dir='rtl'] .toolbarButton.findPrevious::before {
- content: url(images/findbarButton-previous-rtl@2x.png);
- }
-
- html[dir='ltr'] .toolbarButton.findNext::before {
- content: url(images/findbarButton-next@2x.png);
- }
- html[dir='rtl'] .toolbarButton.findNext::before {
- content: url(images/findbarButton-next-rtl@2x.png);
- }
-
- html[dir='ltr'] .toolbarButton.pageUp::before {
- content: url(images/toolbarButton-pageUp@2x.png);
- }
- html[dir='rtl'] .toolbarButton.pageUp::before {
- content: url(images/toolbarButton-pageUp-rtl@2x.png);
- }
-
- html[dir='ltr'] .toolbarButton.pageDown::before {
- content: url(images/toolbarButton-pageDown@2x.png);
- }
- html[dir='rtl'] .toolbarButton.pageDown::before {
- content: url(images/toolbarButton-pageDown-rtl@2x.png);
- }
-
- .toolbarButton.zoomIn::before {
- content: url(images/toolbarButton-zoomIn@2x.png);
- }
-
- .toolbarButton.zoomOut::before {
- content: url(images/toolbarButton-zoomOut@2x.png);
- }
-
- .toolbarButton.presentationMode::before,
- .secondaryToolbarButton.presentationMode::before {
- content: url(images/toolbarButton-presentationMode@2x.png);
- }
-
- .toolbarButton.print::before,
- .secondaryToolbarButton.print::before {
- content: url(images/toolbarButton-print@2x.png);
- }
-
- .toolbarButton.openFile::before,
- .secondaryToolbarButton.openFile::before {
- content: url(images/toolbarButton-openFile@2x.png);
- }
-
- .toolbarButton.download::before,
- .secondaryToolbarButton.download::before {
- content: url(images/toolbarButton-download@2x.png);
- }
-
- .toolbarButton.bookmark::before,
- .secondaryToolbarButton.bookmark::before {
- content: url(images/toolbarButton-bookmark@2x.png);
- }
-
- #viewThumbnail.toolbarButton::before {
- content: url(images/toolbarButton-viewThumbnail@2x.png);
- }
-
- html[dir="ltr"] #viewOutline.toolbarButton::before {
- content: url(images/toolbarButton-viewOutline@2x.png);
- }
- html[dir="rtl"] #viewOutline.toolbarButton::before {
- content: url(images/toolbarButton-viewOutline-rtl@2x.png);
- }
-
- #viewAttachments.toolbarButton::before {
- content: url(images/toolbarButton-viewAttachments@2x.png);
- }
-
- #viewFind.toolbarButton::before {
- content: url(images/toolbarButton-search@2x.png);
- }
-
- .secondaryToolbarButton.firstPage::before {
- content: url(images/secondaryToolbarButton-firstPage@2x.png);
- }
-
- .secondaryToolbarButton.lastPage::before {
- content: url(images/secondaryToolbarButton-lastPage@2x.png);
- }
-
- .secondaryToolbarButton.rotateCcw::before {
- content: url(images/secondaryToolbarButton-rotateCcw@2x.png);
- }
-
- .secondaryToolbarButton.rotateCw::before {
- content: url(images/secondaryToolbarButton-rotateCw@2x.png);
- }
-
- .secondaryToolbarButton.handTool::before {
- content: url(images/secondaryToolbarButton-handTool@2x.png);
- }
-
- .secondaryToolbarButton.documentProperties::before {
- content: url(images/secondaryToolbarButton-documentProperties@2x.png);
- }
-
- .outlineItemToggler::before {
- transform: scale(0.5);
- top: -1px;
- content: url(images/treeitem-expanded@2x.png);
- }
- html[dir='ltr'] .outlineItemToggler.outlineItemsHidden::before {
- content: url(images/treeitem-collapsed@2x.png);
- }
- html[dir='rtl'] .outlineItemToggler.outlineItemsHidden::before {
- content: url(images/treeitem-collapsed-rtl@2x.png);
- }
- html[dir='ltr'] .outlineItemToggler::before {
- right: 0;
- }
- html[dir='rtl'] .outlineItemToggler::before {
- left: 0;
- }
-}
-
-@media print {
- /* General rules for printing. */
- body {
- background: transparent none;
- }
-
- /* Rules for browsers that don't support mozPrintCallback. */
- #sidebarContainer, #secondaryToolbar, .toolbar, #loadingBox, #errorWrapper, .textLayer {
- display: none;
- }
- #viewerContainer {
- overflow: visible;
- }
-
- #mainContainer, #viewerContainer, .page, .page canvas {
- position: static;
- padding: 0;
- margin: 0;
- }
-
- .page {
- float: left;
- display: none;
- border: none;
- box-shadow: none;
- background-clip: content-box;
- background-color: white;
- }
-
- .page[data-loaded] {
- display: block;
- }
-
- .fileInput {
- display: none;
- }
-
- /* Rules for browsers that support PDF.js printing */
- body[data-pdfjsprinting] #outerContainer {
- display: none;
- }
- body[data-pdfjsprinting] #printContainer {
- display: block;
- }
- #printContainer {
- height: 100%;
- }
- /* wrapper around (scaled) print canvas elements */
- #printContainer > div {
- position: relative;
- top: 0;
- left: 0;
- width: 1px;
- height: 1px;
- overflow: visible;
- page-break-after: always;
- page-break-inside: avoid;
- }
- #printContainer canvas,
- #printContainer img {
- display: block;
- }
-}
-
-.visibleLargeView,
-.visibleMediumView,
-.visibleSmallView {
- display: none;
-}
-
-@media all and (max-width: 1040px) {
- #outerContainer.sidebarMoving #toolbarViewerMiddle,
- #outerContainer.sidebarOpen #toolbarViewerMiddle {
- display: table;
- margin: auto;
- left: auto;
- position: inherit;
- transform: none;
- }
-}
-
-@media all and (max-width: 980px) {
- .sidebarMoving .hiddenLargeView,
- .sidebarOpen .hiddenLargeView {
- display: none;
- }
- .sidebarMoving .visibleLargeView,
- .sidebarOpen .visibleLargeView {
- display: inherit;
- }
-}
-
-@media all and (max-width: 900px) {
- #toolbarViewerMiddle {
- display: table;
- margin: auto;
- left: auto;
- position: inherit;
- transform: none;
- }
- .sidebarMoving .hiddenMediumView,
- .sidebarOpen .hiddenMediumView {
- display: none;
- }
- .sidebarMoving .visibleMediumView,
- .sidebarOpen .visibleMediumView {
- display: inherit;
- }
-}
-
-@media all and (max-width: 840px) {
- #sidebarContainer {
- top: 32px;
- z-index: 100;
- }
- .loadingInProgress #sidebarContainer {
- top: 37px;
- }
- #sidebarContent {
- top: 32px;
- background-color: hsla(0,0%,0%,.7);
- }
-
- html[dir='ltr'] #outerContainer.sidebarOpen > #mainContainer {
- left: 0px;
- }
- html[dir='rtl'] #outerContainer.sidebarOpen > #mainContainer {
- right: 0px;
- }
-
- #outerContainer .hiddenLargeView,
- #outerContainer .hiddenMediumView {
- display: inherit;
- }
- #outerContainer .visibleLargeView,
- #outerContainer .visibleMediumView {
- display: none;
- }
-}
-
-@media all and (max-width: 770px) {
- #outerContainer .hiddenLargeView {
- display: none;
- }
- #outerContainer .visibleLargeView {
- display: inherit;
- }
-}
-
-@media all and (max-width: 700px) {
- #outerContainer .hiddenMediumView {
- display: none;
- }
- #outerContainer .visibleMediumView {
- display: inherit;
- }
-}
-
-@media all and (max-width: 640px) {
- .hiddenSmallView {
- display: none;
- }
- .visibleSmallView {
- display: inherit;
- }
- .toolbarButtonSpacer {
- width: 0;
- }
-}
-
-@media all and (max-width: 535px) {
- #scaleSelectContainer {
- display: none;
- }
-}
diff --git a/browser/extensions/pdfjs/content/web/viewer.html b/browser/extensions/pdfjs/content/web/viewer.html
deleted file mode 100644
index 3a06aa7b1..000000000
--- a/browser/extensions/pdfjs/content/web/viewer.html
+++ /dev/null
@@ -1,337 +0,0 @@
-<!DOCTYPE html>
-<!--
-Copyright 2012 Mozilla Foundation
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
-Adobe CMap resources are covered by their own copyright but the same license:
-
- Copyright 1990-2015 Adobe Systems Incorporated.
-
-See https://github.com/adobe-type-tools/cmap-resources
--->
-<html dir="ltr" mozdisallowselectionprint moznomarginboxes>
- <head>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
- <title>PDF.js viewer</title>
-
-<!-- This snippet is used in the Firefox extension (included from viewer.html) -->
-<base href="resource://pdf.js/web/">
-<script src="l10n.js"></script>
-<script src="../build/pdf.js"></script>
-
-
- <link rel="stylesheet" href="viewer.css">
-
-
-
-
-
-
- <script src="viewer.js"></script>
-
- </head>
-
- <body tabindex="1" class="loadingInProgress">
- <div id="outerContainer">
-
- <div id="sidebarContainer">
- <div id="toolbarSidebar">
- <div class="splitToolbarButton toggled">
- <button id="viewThumbnail" class="toolbarButton group toggled" title="Show Thumbnails" tabindex="2" data-l10n-id="thumbs">
- <span data-l10n-id="thumbs_label">Thumbnails</span>
- </button>
- <button id="viewOutline" class="toolbarButton group" title="Show Document Outline (double-click to expand/collapse all items)" tabindex="3" data-l10n-id="document_outline">
- <span data-l10n-id="document_outline_label">Document Outline</span>
- </button>
- <button id="viewAttachments" class="toolbarButton group" title="Show Attachments" tabindex="4" data-l10n-id="attachments">
- <span data-l10n-id="attachments_label">Attachments</span>
- </button>
- </div>
- </div>
- <div id="sidebarContent">
- <div id="thumbnailView">
- </div>
- <div id="outlineView" class="hidden">
- </div>
- <div id="attachmentsView" class="hidden">
- </div>
- </div>
- </div> <!-- sidebarContainer -->
-
- <div id="mainContainer">
- <div class="findbar hidden doorHanger hiddenSmallView" id="findbar">
- <label for="findInput" class="toolbarLabel" data-l10n-id="find_label">Find:</label>
- <input id="findInput" class="toolbarField" tabindex="91">
- <div class="splitToolbarButton">
- <button class="toolbarButton findPrevious" title="" id="findPrevious" tabindex="92" data-l10n-id="find_previous">
- <span data-l10n-id="find_previous_label">Previous</span>
- </button>
- <div class="splitToolbarButtonSeparator"></div>
- <button class="toolbarButton findNext" title="" id="findNext" tabindex="93" data-l10n-id="find_next">
- <span data-l10n-id="find_next_label">Next</span>
- </button>
- </div>
- <input type="checkbox" id="findHighlightAll" class="toolbarField" tabindex="94">
- <label for="findHighlightAll" class="toolbarLabel" data-l10n-id="find_highlight">Highlight all</label>
- <input type="checkbox" id="findMatchCase" class="toolbarField" tabindex="95">
- <label for="findMatchCase" class="toolbarLabel" data-l10n-id="find_match_case_label">Match case</label>
- <span id="findResultsCount" class="toolbarLabel hidden"></span>
- <span id="findMsg" class="toolbarLabel"></span>
- </div> <!-- findbar -->
-
- <div id="secondaryToolbar" class="secondaryToolbar hidden doorHangerRight">
- <div id="secondaryToolbarButtonContainer">
- <button id="secondaryPresentationMode" class="secondaryToolbarButton presentationMode visibleLargeView" title="Switch to Presentation Mode" tabindex="51" data-l10n-id="presentation_mode">
- <span data-l10n-id="presentation_mode_label">Presentation Mode</span>
- </button>
-
- <button id="secondaryOpenFile" class="secondaryToolbarButton openFile visibleLargeView" title="Open File" tabindex="52" data-l10n-id="open_file">
- <span data-l10n-id="open_file_label">Open</span>
- </button>
-
- <button id="secondaryPrint" class="secondaryToolbarButton print visibleMediumView" title="Print" tabindex="53" data-l10n-id="print">
- <span data-l10n-id="print_label">Print</span>
- </button>
-
- <button id="secondaryDownload" class="secondaryToolbarButton download visibleMediumView" title="Download" tabindex="54" data-l10n-id="download">
- <span data-l10n-id="download_label">Download</span>
- </button>
-
- <a href="#" id="secondaryViewBookmark" class="secondaryToolbarButton bookmark visibleSmallView" title="Current view (copy or open in new window)" tabindex="55" data-l10n-id="bookmark">
- <span data-l10n-id="bookmark_label">Current View</span>
- </a>
-
- <div class="horizontalToolbarSeparator visibleLargeView"></div>
-
- <button id="firstPage" class="secondaryToolbarButton firstPage" title="Go to First Page" tabindex="56" data-l10n-id="first_page">
- <span data-l10n-id="first_page_label">Go to First Page</span>
- </button>
- <button id="lastPage" class="secondaryToolbarButton lastPage" title="Go to Last Page" tabindex="57" data-l10n-id="last_page">
- <span data-l10n-id="last_page_label">Go to Last Page</span>
- </button>
-
- <div class="horizontalToolbarSeparator"></div>
-
- <button id="pageRotateCw" class="secondaryToolbarButton rotateCw" title="Rotate Clockwise" tabindex="58" data-l10n-id="page_rotate_cw">
- <span data-l10n-id="page_rotate_cw_label">Rotate Clockwise</span>
- </button>
- <button id="pageRotateCcw" class="secondaryToolbarButton rotateCcw" title="Rotate Counterclockwise" tabindex="59" data-l10n-id="page_rotate_ccw">
- <span data-l10n-id="page_rotate_ccw_label">Rotate Counterclockwise</span>
- </button>
-
- <div class="horizontalToolbarSeparator"></div>
-
- <button id="toggleHandTool" class="secondaryToolbarButton handTool" title="Enable hand tool" tabindex="60" data-l10n-id="hand_tool_enable">
- <span data-l10n-id="hand_tool_enable_label">Enable hand tool</span>
- </button>
-
- <div class="horizontalToolbarSeparator"></div>
-
- <button id="documentProperties" class="secondaryToolbarButton documentProperties" title="Document Properties…" tabindex="61" data-l10n-id="document_properties">
- <span data-l10n-id="document_properties_label">Document Properties…</span>
- </button>
- </div>
- </div> <!-- secondaryToolbar -->
-
- <div class="toolbar">
- <div id="toolbarContainer">
- <div id="toolbarViewer">
- <div id="toolbarViewerLeft">
- <button id="sidebarToggle" class="toolbarButton" title="Toggle Sidebar" tabindex="11" data-l10n-id="toggle_sidebar">
- <span data-l10n-id="toggle_sidebar_label">Toggle Sidebar</span>
- </button>
- <div class="toolbarButtonSpacer"></div>
- <button id="viewFind" class="toolbarButton group hiddenSmallView" title="Find in Document" tabindex="12" data-l10n-id="findbar">
- <span data-l10n-id="findbar_label">Find</span>
- </button>
- <div class="splitToolbarButton">
- <button class="toolbarButton pageUp" title="Previous Page" id="previous" tabindex="13" data-l10n-id="previous">
- <span data-l10n-id="previous_label">Previous</span>
- </button>
- <div class="splitToolbarButtonSeparator"></div>
- <button class="toolbarButton pageDown" title="Next Page" id="next" tabindex="14" data-l10n-id="next">
- <span data-l10n-id="next_label">Next</span>
- </button>
- </div>
- <input type="number" id="pageNumber" class="toolbarField pageNumber" title="Page" value="1" size="4" min="1" tabindex="15" data-l10n-id="page">
- <span id="numPages" class="toolbarLabel"></span>
- </div>
- <div id="toolbarViewerRight">
- <button id="presentationMode" class="toolbarButton presentationMode hiddenLargeView" title="Switch to Presentation Mode" tabindex="31" data-l10n-id="presentation_mode">
- <span data-l10n-id="presentation_mode_label">Presentation Mode</span>
- </button>
-
- <button id="openFile" class="toolbarButton openFile hiddenLargeView" title="Open File" tabindex="32" data-l10n-id="open_file">
- <span data-l10n-id="open_file_label">Open</span>
- </button>
-
- <button id="print" class="toolbarButton print hiddenMediumView" title="Print" tabindex="33" data-l10n-id="print">
- <span data-l10n-id="print_label">Print</span>
- </button>
-
- <button id="download" class="toolbarButton download hiddenMediumView" title="Download" tabindex="34" data-l10n-id="download">
- <span data-l10n-id="download_label">Download</span>
- </button>
- <a href="#" id="viewBookmark" class="toolbarButton bookmark hiddenSmallView" title="Current view (copy or open in new window)" tabindex="35" data-l10n-id="bookmark">
- <span data-l10n-id="bookmark_label">Current View</span>
- </a>
-
- <div class="verticalToolbarSeparator hiddenSmallView"></div>
-
- <button id="secondaryToolbarToggle" class="toolbarButton" title="Tools" tabindex="36" data-l10n-id="tools">
- <span data-l10n-id="tools_label">Tools</span>
- </button>
- </div>
- <div id="toolbarViewerMiddle">
- <div class="splitToolbarButton">
- <button id="zoomOut" class="toolbarButton zoomOut" title="Zoom Out" tabindex="21" data-l10n-id="zoom_out">
- <span data-l10n-id="zoom_out_label">Zoom Out</span>
- </button>
- <div class="splitToolbarButtonSeparator"></div>
- <button id="zoomIn" class="toolbarButton zoomIn" title="Zoom In" tabindex="22" data-l10n-id="zoom_in">
- <span data-l10n-id="zoom_in_label">Zoom In</span>
- </button>
- </div>
- <span id="scaleSelectContainer" class="dropdownToolbarButton">
- <select id="scaleSelect" title="Zoom" tabindex="23" data-l10n-id="zoom">
- <option id="pageAutoOption" title="" value="auto" selected="selected" data-l10n-id="page_scale_auto">Automatic Zoom</option>
- <option id="pageActualOption" title="" value="page-actual" data-l10n-id="page_scale_actual">Actual Size</option>
- <option id="pageFitOption" title="" value="page-fit" data-l10n-id="page_scale_fit">Fit Page</option>
- <option id="pageWidthOption" title="" value="page-width" data-l10n-id="page_scale_width">Full Width</option>
- <option id="customScaleOption" title="" value="custom" disabled="disabled" hidden="true"></option>
- <option title="" value="0.5" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 50 }'>50%</option>
- <option title="" value="0.75" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 75 }'>75%</option>
- <option title="" value="1" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 100 }'>100%</option>
- <option title="" value="1.25" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 125 }'>125%</option>
- <option title="" value="1.5" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 150 }'>150%</option>
- <option title="" value="2" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 200 }'>200%</option>
- <option title="" value="3" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 300 }'>300%</option>
- <option title="" value="4" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 400 }'>400%</option>
- </select>
- </span>
- </div>
- </div>
- <div id="loadingBar">
- <div class="progress">
- <div class="glimmer">
- </div>
- </div>
- </div>
- </div>
- </div>
-
- <menu type="context" id="viewerContextMenu">
- <menuitem id="contextFirstPage" label="First Page"
- data-l10n-id="first_page"></menuitem>
- <menuitem id="contextLastPage" label="Last Page"
- data-l10n-id="last_page"></menuitem>
- <menuitem id="contextPageRotateCw" label="Rotate Clockwise"
- data-l10n-id="page_rotate_cw"></menuitem>
- <menuitem id="contextPageRotateCcw" label="Rotate Counter-Clockwise"
- data-l10n-id="page_rotate_ccw"></menuitem>
- </menu>
-
- <div id="viewerContainer" tabindex="0">
- <div id="viewer" class="pdfViewer"></div>
- </div>
-
- <div id="errorWrapper" hidden='true'>
- <div id="errorMessageLeft">
- <span id="errorMessage"></span>
- <button id="errorShowMore" data-l10n-id="error_more_info">
- More Information
- </button>
- <button id="errorShowLess" data-l10n-id="error_less_info" hidden='true'>
- Less Information
- </button>
- </div>
- <div id="errorMessageRight">
- <button id="errorClose" data-l10n-id="error_close">
- Close
- </button>
- </div>
- <div class="clearBoth"></div>
- <textarea id="errorMoreInfo" hidden='true' readonly="readonly"></textarea>
- </div>
- </div> <!-- mainContainer -->
-
- <div id="overlayContainer" class="hidden">
- <div id="passwordOverlay" class="container hidden">
- <div class="dialog">
- <div class="row">
- <p id="passwordText" data-l10n-id="password_label">Enter the password to open this PDF file:</p>
- </div>
- <div class="row">
- <!-- The type="password" attribute is set via script, to prevent warnings in Firefox for all http:// documents. -->
- <input id="password" class="toolbarField">
- </div>
- <div class="buttonRow">
- <button id="passwordCancel" class="overlayButton"><span data-l10n-id="password_cancel">Cancel</span></button>
- <button id="passwordSubmit" class="overlayButton"><span data-l10n-id="password_ok">OK</span></button>
- </div>
- </div>
- </div>
- <div id="documentPropertiesOverlay" class="container hidden">
- <div class="dialog">
- <div class="row">
- <span data-l10n-id="document_properties_file_name">File name:</span> <p id="fileNameField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_file_size">File size:</span> <p id="fileSizeField">-</p>
- </div>
- <div class="separator"></div>
- <div class="row">
- <span data-l10n-id="document_properties_title">Title:</span> <p id="titleField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_author">Author:</span> <p id="authorField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_subject">Subject:</span> <p id="subjectField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_keywords">Keywords:</span> <p id="keywordsField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_creation_date">Creation Date:</span> <p id="creationDateField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_modification_date">Modification Date:</span> <p id="modificationDateField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_creator">Creator:</span> <p id="creatorField">-</p>
- </div>
- <div class="separator"></div>
- <div class="row">
- <span data-l10n-id="document_properties_producer">PDF Producer:</span> <p id="producerField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_version">PDF Version:</span> <p id="versionField">-</p>
- </div>
- <div class="row">
- <span data-l10n-id="document_properties_page_count">Page Count:</span> <p id="pageCountField">-</p>
- </div>
- <div class="buttonRow">
- <button id="documentPropertiesClose" class="overlayButton"><span data-l10n-id="document_properties_close">Close</span></button>
- </div>
- </div>
- </div>
- </div> <!-- overlayContainer -->
-
- </div> <!-- outerContainer -->
- <div id="printContainer"></div>
- </body>
-</html>
-
diff --git a/browser/extensions/pdfjs/content/web/viewer.js b/browser/extensions/pdfjs/content/web/viewer.js
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 <flag>' the following cases exist:
- * - FIREFOX or MOZCENTRAL - uses sessionStorage.
- * - GENERIC or CHROME - uses localStorage, if it is available.
- */
- var ViewHistory = function ViewHistoryClosure() {
- function ViewHistory(fingerprint, cacheSize) {
- this.fingerprint = fingerprint;
- this.cacheSize = cacheSize || DEFAULT_VIEW_HISTORY_CACHE_SIZE;
- this.isInitializedPromiseResolved = false;
- this.initializedPromise = this._readFromStorage().then(function (databaseStr) {
- this.isInitializedPromiseResolved = true;
- var database = JSON.parse(databaseStr || '{}');
- if (!('files' in database)) {
- database.files = [];
- }
- if (database.files.length >= this.cacheSize) {
- database.files.shift();
- }
- var index;
- for (var i = 0, length = database.files.length; i < length; i++) {
- var branch = database.files[i];
- if (branch.fingerprint === this.fingerprint) {
- index = i;
- break;
- }
- }
- if (typeof index !== 'number') {
- index = database.files.push({ fingerprint: this.fingerprint }) - 1;
- }
- this.file = database.files[index];
- this.database = database;
- }.bind(this));
- }
- ViewHistory.prototype = {
- _writeToStorage: function ViewHistory_writeToStorage() {
- return new Promise(function (resolve) {
- var databaseStr = JSON.stringify(this.database);
- sessionStorage.setItem('pdfjsHistory', databaseStr);
- resolve();
- }.bind(this));
- },
- _readFromStorage: function ViewHistory_readFromStorage() {
- return new Promise(function (resolve) {
- resolve(sessionStorage.getItem('pdfjsHistory'));
- });
- },
- set: function ViewHistory_set(name, val) {
- if (!this.isInitializedPromiseResolved) {
- return;
- }
- this.file[name] = val;
- return this._writeToStorage();
- },
- setMultiple: function ViewHistory_setMultiple(properties) {
- if (!this.isInitializedPromiseResolved) {
- return;
- }
- for (var name in properties) {
- this.file[name] = properties[name];
- }
- return this._writeToStorage();
- },
- get: function ViewHistory_get(name, defaultValue) {
- if (!this.isInitializedPromiseResolved) {
- return defaultValue;
- }
- return this.file[name] || defaultValue;
- }
- };
- return ViewHistory;
- }();
- exports.ViewHistory = ViewHistory;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebDownloadManager = {}, root.pdfjsWebPDFJS);
- }(this, function (exports, pdfjsLib) {
- }));
- (function (root, factory) {
- factory(root.pdfjsWebHandTool = {}, root.pdfjsWebGrabToPan, root.pdfjsWebPreferences);
- }(this, function (exports, grabToPan, preferences) {
- var GrabToPan = grabToPan.GrabToPan;
- var Preferences = preferences.Preferences;
- /**
- * @typedef {Object} HandToolOptions
- * @property {HTMLDivElement} container - The document container.
- * @property {EventBus} eventBus - The application event bus.
- */
- /**
- * @class
- */
- var HandTool = function HandToolClosure() {
- /**
- * @constructs HandTool
- * @param {HandToolOptions} options
- */
- function HandTool(options) {
- this.container = options.container;
- this.eventBus = options.eventBus;
- this.wasActive = false;
- this.handTool = new GrabToPan({
- element: this.container,
- onActiveChanged: function (isActive) {
- this.eventBus.dispatch('handtoolchanged', { isActive: isActive });
- }.bind(this)
- });
- this.eventBus.on('togglehandtool', this.toggle.bind(this));
- this.eventBus.on('localized', function (e) {
- Preferences.get('enableHandToolOnLoad').then(function resolved(value) {
- if (value) {
- this.handTool.activate();
- }
- }.bind(this), function rejected(reason) {
- });
- }.bind(this));
- this.eventBus.on('presentationmodechanged', function (e) {
- if (e.switchInProgress) {
- return;
- }
- if (e.active) {
- this.enterPresentationMode();
- } else {
- this.exitPresentationMode();
- }
- }.bind(this));
- }
- HandTool.prototype = {
- /**
- * @return {boolean}
- */
- get isActive() {
- return !!this.handTool.active;
- },
- toggle: function HandTool_toggle() {
- this.handTool.toggle();
- },
- enterPresentationMode: function HandTool_enterPresentationMode() {
- if (this.isActive) {
- this.wasActive = true;
- this.handTool.deactivate();
- }
- },
- exitPresentationMode: function HandTool_exitPresentationMode() {
- if (this.wasActive) {
- this.wasActive = false;
- this.handTool.activate();
- }
- }
- };
- return HandTool;
- }();
- exports.HandTool = HandTool;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFAttachmentViewer = {}, root.pdfjsWebPDFJS);
- }(this, function (exports, pdfjsLib) {
- /**
- * @typedef {Object} PDFAttachmentViewerOptions
- * @property {HTMLDivElement} container - The viewer element.
- * @property {EventBus} eventBus - The application event bus.
- * @property {DownloadManager} downloadManager - The download manager.
- */
- /**
- * @typedef {Object} PDFAttachmentViewerRenderParameters
- * @property {Array|null} attachments - An array of attachment objects.
- */
- /**
- * @class
- */
- var PDFAttachmentViewer = function PDFAttachmentViewerClosure() {
- /**
- * @constructs PDFAttachmentViewer
- * @param {PDFAttachmentViewerOptions} options
- */
- function PDFAttachmentViewer(options) {
- this.attachments = null;
- this.container = options.container;
- this.eventBus = options.eventBus;
- this.downloadManager = options.downloadManager;
- }
- PDFAttachmentViewer.prototype = {
- reset: function PDFAttachmentViewer_reset() {
- this.attachments = null;
- var container = this.container;
- while (container.firstChild) {
- container.removeChild(container.firstChild);
- }
- },
- /**
- * @private
- */
- _dispatchEvent: function PDFAttachmentViewer_dispatchEvent(attachmentsCount) {
- this.eventBus.dispatch('attachmentsloaded', {
- source: this,
- attachmentsCount: attachmentsCount
- });
- },
- /**
- * @private
- */
- _bindLink: function PDFAttachmentViewer_bindLink(button, content, filename) {
- button.onclick = function downloadFile(e) {
- this.downloadManager.downloadData(content, filename, '');
- return false;
- }.bind(this);
- },
- /**
- * @param {PDFAttachmentViewerRenderParameters} params
- */
- render: function PDFAttachmentViewer_render(params) {
- var attachments = params && params.attachments || null;
- var attachmentsCount = 0;
- if (this.attachments) {
- this.reset();
- }
- this.attachments = attachments;
- if (!attachments) {
- this._dispatchEvent(attachmentsCount);
- return;
- }
- var names = Object.keys(attachments).sort(function (a, b) {
- return a.toLowerCase().localeCompare(b.toLowerCase());
- });
- attachmentsCount = names.length;
- for (var i = 0; i < attachmentsCount; i++) {
- var item = attachments[names[i]];
- var filename = pdfjsLib.getFilenameFromUrl(item.filename);
- var div = document.createElement('div');
- div.className = 'attachmentsItem';
- var button = document.createElement('button');
- this._bindLink(button, item.content, filename);
- button.textContent = pdfjsLib.removeNullCharacters(filename);
- div.appendChild(button);
- this.container.appendChild(div);
- }
- this._dispatchEvent(attachmentsCount);
- }
- };
- return PDFAttachmentViewer;
- }();
- exports.PDFAttachmentViewer = PDFAttachmentViewer;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFOutlineViewer = {}, root.pdfjsWebPDFJS);
- }(this, function (exports, pdfjsLib) {
- var PDFJS = pdfjsLib.PDFJS;
- var DEFAULT_TITLE = '\u2013';
- /**
- * @typedef {Object} PDFOutlineViewerOptions
- * @property {HTMLDivElement} container - The viewer element.
- * @property {IPDFLinkService} linkService - The navigation/linking service.
- * @property {EventBus} eventBus - The application event bus.
- */
- /**
- * @typedef {Object} PDFOutlineViewerRenderParameters
- * @property {Array|null} outline - An array of outline objects.
- */
- /**
- * @class
- */
- var PDFOutlineViewer = function PDFOutlineViewerClosure() {
- /**
- * @constructs PDFOutlineViewer
- * @param {PDFOutlineViewerOptions} options
- */
- function PDFOutlineViewer(options) {
- this.outline = null;
- this.lastToggleIsShow = true;
- this.container = options.container;
- this.linkService = options.linkService;
- this.eventBus = options.eventBus;
- }
- PDFOutlineViewer.prototype = {
- reset: function PDFOutlineViewer_reset() {
- this.outline = null;
- this.lastToggleIsShow = true;
- var container = this.container;
- while (container.firstChild) {
- container.removeChild(container.firstChild);
- }
- },
- /**
- * @private
- */
- _dispatchEvent: function PDFOutlineViewer_dispatchEvent(outlineCount) {
- this.eventBus.dispatch('outlineloaded', {
- source: this,
- outlineCount: outlineCount
- });
- },
- /**
- * @private
- */
- _bindLink: function PDFOutlineViewer_bindLink(element, item) {
- if (item.url) {
- pdfjsLib.addLinkAttributes(element, {
- url: item.url,
- target: item.newWindow ? PDFJS.LinkTarget.BLANK : undefined
- });
- return;
- }
- var self = this, destination = item.dest;
- element.href = self.linkService.getDestinationHash(destination);
- element.onclick = function () {
- if (destination) {
- self.linkService.navigateTo(destination);
- }
- return false;
- };
- },
- /**
- * @private
- */
- _setStyles: function PDFOutlineViewer_setStyles(element, item) {
- var styleStr = '';
- if (item.bold) {
- styleStr += 'font-weight: bold;';
- }
- if (item.italic) {
- styleStr += 'font-style: italic;';
- }
- if (styleStr) {
- element.setAttribute('style', styleStr);
- }
- },
- /**
- * Prepend a button before an outline item which allows the user to toggle
- * the visibility of all outline items at that level.
- *
- * @private
- */
- _addToggleButton: function PDFOutlineViewer_addToggleButton(div) {
- var toggler = document.createElement('div');
- toggler.className = 'outlineItemToggler';
- toggler.onclick = function (event) {
- event.stopPropagation();
- toggler.classList.toggle('outlineItemsHidden');
- if (event.shiftKey) {
- var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
- this._toggleOutlineItem(div, shouldShowAll);
- }
- }.bind(this);
- div.insertBefore(toggler, div.firstChild);
- },
- /**
- * Toggle the visibility of the subtree of an outline item.
- *
- * @param {Element} root - the root of the outline (sub)tree.
- * @param {boolean} show - whether to show the outline (sub)tree. If false,
- * the outline subtree rooted at |root| will be collapsed.
- *
- * @private
- */
- _toggleOutlineItem: function PDFOutlineViewer_toggleOutlineItem(root, show) {
- this.lastToggleIsShow = show;
- var togglers = root.querySelectorAll('.outlineItemToggler');
- for (var i = 0, ii = togglers.length; i < ii; ++i) {
- togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
- }
- },
- /**
- * Collapse or expand all subtrees of the outline.
- */
- toggleOutlineTree: function PDFOutlineViewer_toggleOutlineTree() {
- if (!this.outline) {
- return;
- }
- this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
- },
- /**
- * @param {PDFOutlineViewerRenderParameters} params
- */
- render: function PDFOutlineViewer_render(params) {
- var outline = params && params.outline || null;
- var outlineCount = 0;
- if (this.outline) {
- this.reset();
- }
- this.outline = outline;
- if (!outline) {
- this._dispatchEvent(outlineCount);
- return;
- }
- var fragment = document.createDocumentFragment();
- var queue = [{
- parent: fragment,
- items: this.outline
- }];
- var hasAnyNesting = false;
- while (queue.length > 0) {
- var levelData = queue.shift();
- for (var i = 0, len = levelData.items.length; i < len; i++) {
- var item = levelData.items[i];
- var div = document.createElement('div');
- div.className = 'outlineItem';
- var element = document.createElement('a');
- this._bindLink(element, item);
- this._setStyles(element, item);
- element.textContent = pdfjsLib.removeNullCharacters(item.title) || DEFAULT_TITLE;
- div.appendChild(element);
- if (item.items.length > 0) {
- hasAnyNesting = true;
- this._addToggleButton(div);
- var itemsDiv = document.createElement('div');
- itemsDiv.className = 'outlineItems';
- div.appendChild(itemsDiv);
- queue.push({
- parent: itemsDiv,
- items: item.items
- });
- }
- levelData.parent.appendChild(div);
- outlineCount++;
- }
- }
- if (hasAnyNesting) {
- this.container.classList.add('outlineWithDeepNesting');
- }
- this.container.appendChild(fragment);
- this._dispatchEvent(outlineCount);
- }
- };
- return PDFOutlineViewer;
- }();
- exports.PDFOutlineViewer = PDFOutlineViewer;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFSidebar = {}, root.pdfjsWebPDFRenderingQueue);
- }(this, function (exports, pdfRenderingQueue) {
- var RenderingStates = pdfRenderingQueue.RenderingStates;
- var SidebarView = {
- NONE: 0,
- THUMBS: 1,
- OUTLINE: 2,
- ATTACHMENTS: 3
- };
- /**
- * @typedef {Object} PDFSidebarOptions
- * @property {PDFViewer} pdfViewer - The document viewer.
- * @property {PDFThumbnailViewer} pdfThumbnailViewer - The thumbnail viewer.
- * @property {PDFOutlineViewer} pdfOutlineViewer - The outline viewer.
- * @property {HTMLDivElement} mainContainer - The main container
- * (in which the viewer element is placed).
- * @property {HTMLDivElement} outerContainer - The outer container
- * (encasing both the viewer and sidebar elements).
- * @property {EventBus} eventBus - The application event bus.
- * @property {HTMLButtonElement} toggleButton - The button used for
- * opening/closing the sidebar.
- * @property {HTMLButtonElement} thumbnailButton - The button used to show
- * the thumbnail view.
- * @property {HTMLButtonElement} outlineButton - The button used to show
- * the outline view.
- * @property {HTMLButtonElement} attachmentsButton - The button used to show
- * the attachments view.
- * @property {HTMLDivElement} thumbnailView - The container in which
- * the thumbnails are placed.
- * @property {HTMLDivElement} outlineView - The container in which
- * the outline is placed.
- * @property {HTMLDivElement} attachmentsView - The container in which
- * the attachments are placed.
- */
- /**
- * @class
- */
- var PDFSidebar = function PDFSidebarClosure() {
- /**
- * @constructs PDFSidebar
- * @param {PDFSidebarOptions} options
- */
- function PDFSidebar(options) {
- this.isOpen = false;
- this.active = SidebarView.THUMBS;
- this.isInitialViewSet = false;
- /**
- * Callback used when the sidebar has been opened/closed, to ensure that
- * the viewers (PDFViewer/PDFThumbnailViewer) are updated correctly.
- */
- this.onToggled = null;
- this.pdfViewer = options.pdfViewer;
- this.pdfThumbnailViewer = options.pdfThumbnailViewer;
- this.pdfOutlineViewer = options.pdfOutlineViewer;
- this.mainContainer = options.mainContainer;
- this.outerContainer = options.outerContainer;
- this.eventBus = options.eventBus;
- this.toggleButton = options.toggleButton;
- this.thumbnailButton = options.thumbnailButton;
- this.outlineButton = options.outlineButton;
- this.attachmentsButton = options.attachmentsButton;
- this.thumbnailView = options.thumbnailView;
- this.outlineView = options.outlineView;
- this.attachmentsView = options.attachmentsView;
- this._addEventListeners();
- }
- PDFSidebar.prototype = {
- reset: function PDFSidebar_reset() {
- this.isInitialViewSet = false;
- this.close();
- this.switchView(SidebarView.THUMBS);
- this.outlineButton.disabled = false;
- this.attachmentsButton.disabled = false;
- },
- /**
- * @returns {number} One of the values in {SidebarView}.
- */
- get visibleView() {
- return this.isOpen ? this.active : SidebarView.NONE;
- },
- get isThumbnailViewVisible() {
- return this.isOpen && this.active === SidebarView.THUMBS;
- },
- get isOutlineViewVisible() {
- return this.isOpen && this.active === SidebarView.OUTLINE;
- },
- get isAttachmentsViewVisible() {
- return this.isOpen && this.active === SidebarView.ATTACHMENTS;
- },
- /**
- * @param {number} view - The sidebar view that should become visible,
- * must be one of the values in {SidebarView}.
- */
- setInitialView: function PDFSidebar_setInitialView(view) {
- if (this.isInitialViewSet) {
- return;
- }
- this.isInitialViewSet = true;
- if (this.isOpen && view === SidebarView.NONE) {
- this._dispatchEvent();
- // If the user has already manually opened the sidebar,
- // immediately closing it would be bad UX.
- return;
- }
- var isViewPreserved = view === this.visibleView;
- this.switchView(view, /* forceOpen */
- true);
- if (isViewPreserved) {
- // Prevent dispatching two back-to-back `sidebarviewchanged` events,
- // since `this.switchView` dispatched the event if the view changed.
- this._dispatchEvent();
- }
- },
- /**
- * @param {number} view - The sidebar view that should be switched to,
- * must be one of the values in {SidebarView}.
- * @param {boolean} forceOpen - (optional) Ensure that the sidebar is open.
- * The default value is false.
- */
- switchView: function PDFSidebar_switchView(view, forceOpen) {
- if (view === SidebarView.NONE) {
- this.close();
- return;
- }
- var isViewChanged = view !== this.active;
- var shouldForceRendering = false;
- switch (view) {
- case SidebarView.THUMBS:
- this.thumbnailButton.classList.add('toggled');
- this.outlineButton.classList.remove('toggled');
- this.attachmentsButton.classList.remove('toggled');
- this.thumbnailView.classList.remove('hidden');
- this.outlineView.classList.add('hidden');
- this.attachmentsView.classList.add('hidden');
- if (this.isOpen && isViewChanged) {
- this._updateThumbnailViewer();
- shouldForceRendering = true;
- }
- break;
- case SidebarView.OUTLINE:
- if (this.outlineButton.disabled) {
- return;
- }
- this.thumbnailButton.classList.remove('toggled');
- this.outlineButton.classList.add('toggled');
- this.attachmentsButton.classList.remove('toggled');
- this.thumbnailView.classList.add('hidden');
- this.outlineView.classList.remove('hidden');
- this.attachmentsView.classList.add('hidden');
- break;
- case SidebarView.ATTACHMENTS:
- if (this.attachmentsButton.disabled) {
- return;
- }
- this.thumbnailButton.classList.remove('toggled');
- this.outlineButton.classList.remove('toggled');
- this.attachmentsButton.classList.add('toggled');
- this.thumbnailView.classList.add('hidden');
- this.outlineView.classList.add('hidden');
- this.attachmentsView.classList.remove('hidden');
- break;
- default:
- console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.');
- return;
- }
- // Update the active view *after* it has been validated above,
- // in order to prevent setting it to an invalid state.
- this.active = view | 0;
- if (forceOpen && !this.isOpen) {
- this.open();
- // NOTE: `this.open` will trigger rendering, and dispatch the event.
- return;
- }
- if (shouldForceRendering) {
- this._forceRendering();
- }
- if (isViewChanged) {
- this._dispatchEvent();
- }
- },
- open: function PDFSidebar_open() {
- if (this.isOpen) {
- return;
- }
- this.isOpen = true;
- this.toggleButton.classList.add('toggled');
- this.outerContainer.classList.add('sidebarMoving');
- this.outerContainer.classList.add('sidebarOpen');
- if (this.active === SidebarView.THUMBS) {
- this._updateThumbnailViewer();
- }
- this._forceRendering();
- this._dispatchEvent();
- },
- close: function PDFSidebar_close() {
- if (!this.isOpen) {
- return;
- }
- this.isOpen = false;
- this.toggleButton.classList.remove('toggled');
- this.outerContainer.classList.add('sidebarMoving');
- this.outerContainer.classList.remove('sidebarOpen');
- this._forceRendering();
- this._dispatchEvent();
- },
- toggle: function PDFSidebar_toggle() {
- if (this.isOpen) {
- this.close();
- } else {
- this.open();
- }
- },
- /**
- * @private
- */
- _dispatchEvent: function PDFSidebar_dispatchEvent() {
- this.eventBus.dispatch('sidebarviewchanged', {
- source: this,
- view: this.visibleView
- });
- },
- /**
- * @private
- */
- _forceRendering: function PDFSidebar_forceRendering() {
- if (this.onToggled) {
- this.onToggled();
- } else {
- // Fallback
- this.pdfViewer.forceRendering();
- this.pdfThumbnailViewer.forceRendering();
- }
- },
- /**
- * @private
- */
- _updateThumbnailViewer: function PDFSidebar_updateThumbnailViewer() {
- var pdfViewer = this.pdfViewer;
- var thumbnailViewer = this.pdfThumbnailViewer;
- // Use the rendered pages to set the corresponding thumbnail images.
- var pagesCount = pdfViewer.pagesCount;
- for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
- var pageView = pdfViewer.getPageView(pageIndex);
- if (pageView && pageView.renderingState === RenderingStates.FINISHED) {
- var thumbnailView = thumbnailViewer.getThumbnail(pageIndex);
- thumbnailView.setImage(pageView);
- }
- }
- thumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
- },
- /**
- * @private
- */
- _addEventListeners: function PDFSidebar_addEventListeners() {
- var self = this;
- self.mainContainer.addEventListener('transitionend', function (evt) {
- if (evt.target === /* mainContainer */
- this) {
- self.outerContainer.classList.remove('sidebarMoving');
- }
- });
- // Buttons for switching views.
- self.thumbnailButton.addEventListener('click', function () {
- self.switchView(SidebarView.THUMBS);
- });
- self.outlineButton.addEventListener('click', function () {
- self.switchView(SidebarView.OUTLINE);
- });
- self.outlineButton.addEventListener('dblclick', function () {
- self.pdfOutlineViewer.toggleOutlineTree();
- });
- self.attachmentsButton.addEventListener('click', function () {
- self.switchView(SidebarView.ATTACHMENTS);
- });
- // Disable/enable views.
- self.eventBus.on('outlineloaded', function (e) {
- var outlineCount = e.outlineCount;
- self.outlineButton.disabled = !outlineCount;
- if (!outlineCount && self.active === SidebarView.OUTLINE) {
- self.switchView(SidebarView.THUMBS);
- }
- });
- self.eventBus.on('attachmentsloaded', function (e) {
- var attachmentsCount = e.attachmentsCount;
- self.attachmentsButton.disabled = !attachmentsCount;
- if (!attachmentsCount && self.active === SidebarView.ATTACHMENTS) {
- self.switchView(SidebarView.THUMBS);
- }
- });
- // Update the thumbnailViewer, if visible, when exiting presentation mode.
- self.eventBus.on('presentationmodechanged', function (e) {
- if (!e.active && !e.switchInProgress && self.isThumbnailViewVisible) {
- self._updateThumbnailViewer();
- }
- });
- }
- };
- return PDFSidebar;
- }();
- exports.SidebarView = SidebarView;
- exports.PDFSidebar = PDFSidebar;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebUIUtils = {}, root.pdfjsWebPDFJS);
- }(this, function (exports, pdfjsLib) {
- var CSS_UNITS = 96.0 / 72.0;
- var DEFAULT_SCALE_VALUE = 'auto';
- var DEFAULT_SCALE = 1.0;
- var UNKNOWN_SCALE = 0;
- var MAX_AUTO_SCALE = 1.25;
- var SCROLLBAR_PADDING = 40;
- var VERTICAL_PADDING = 5;
- var mozL10n = document.mozL10n || document.webL10n;
- var PDFJS = pdfjsLib.PDFJS;
- /**
- * Disables fullscreen support, and by extension Presentation Mode,
- * in browsers which support the fullscreen API.
- * @var {boolean}
- */
- PDFJS.disableFullscreen = PDFJS.disableFullscreen === undefined ? false : PDFJS.disableFullscreen;
- /**
- * Enables CSS only zooming.
- * @var {boolean}
- */
- PDFJS.useOnlyCssZoom = PDFJS.useOnlyCssZoom === undefined ? false : PDFJS.useOnlyCssZoom;
- /**
- * The maximum supported canvas size in total pixels e.g. width * height.
- * The default value is 4096 * 4096. Use -1 for no limit.
- * @var {number}
- */
- PDFJS.maxCanvasPixels = PDFJS.maxCanvasPixels === undefined ? 16777216 : PDFJS.maxCanvasPixels;
- /**
- * Disables saving of the last position of the viewed PDF.
- * @var {boolean}
- */
- PDFJS.disableHistory = PDFJS.disableHistory === undefined ? false : PDFJS.disableHistory;
- /**
- * Disables creation of the text layer that used for text selection and search.
- * @var {boolean}
- */
- PDFJS.disableTextLayer = PDFJS.disableTextLayer === undefined ? false : PDFJS.disableTextLayer;
- /**
- * Disables maintaining the current position in the document when zooming.
- */
- PDFJS.ignoreCurrentPositionOnZoom = PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : PDFJS.ignoreCurrentPositionOnZoom;
- /**
- * Returns scale factor for the canvas. It makes sense for the HiDPI displays.
- * @return {Object} The object with horizontal (sx) and vertical (sy)
- scales. The scaled property is set to false if scaling is
- not required, true otherwise.
- */
- function getOutputScale(ctx) {
- var devicePixelRatio = window.devicePixelRatio || 1;
- var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
- var pixelRatio = devicePixelRatio / backingStoreRatio;
- return {
- sx: pixelRatio,
- sy: pixelRatio,
- scaled: pixelRatio !== 1
- };
- }
- /**
- * Scrolls specified element into view of its parent.
- * @param {Object} element - The element to be visible.
- * @param {Object} spot - An object with optional top and left properties,
- * specifying the offset from the top left edge.
- * @param {boolean} skipOverflowHiddenElements - Ignore elements that have
- * the CSS rule `overflow: hidden;` set. The default is false.
- */
- function scrollIntoView(element, spot, skipOverflowHiddenElements) {
- // Assuming offsetParent is available (it's not available when viewer is in
- // hidden iframe or object). We have to scroll: if the offsetParent is not set
- // producing the error. See also animationStartedClosure.
- var parent = element.offsetParent;
- if (!parent) {
- console.error('offsetParent is not set -- cannot scroll');
- return;
- }
- var checkOverflow = skipOverflowHiddenElements || false;
- var offsetY = element.offsetTop + element.clientTop;
- var offsetX = element.offsetLeft + element.clientLeft;
- while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') {
- if (parent.dataset._scaleY) {
- offsetY /= parent.dataset._scaleY;
- offsetX /= parent.dataset._scaleX;
- }
- offsetY += parent.offsetTop;
- offsetX += parent.offsetLeft;
- parent = parent.offsetParent;
- if (!parent) {
- return;
- }
- }
- // no need to scroll
- if (spot) {
- if (spot.top !== undefined) {
- offsetY += spot.top;
- }
- if (spot.left !== undefined) {
- offsetX += spot.left;
- parent.scrollLeft = offsetX;
- }
- }
- parent.scrollTop = offsetY;
- }
- /**
- * Helper function to start monitoring the scroll event and converting them into
- * PDF.js friendly one: with scroll debounce and scroll direction.
- */
- function watchScroll(viewAreaElement, callback) {
- var debounceScroll = function debounceScroll(evt) {
- if (rAF) {
- return;
- }
- // schedule an invocation of scroll for next animation frame.
- rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
- rAF = null;
- var currentY = viewAreaElement.scrollTop;
- var lastY = state.lastY;
- if (currentY !== lastY) {
- state.down = currentY > lastY;
- }
- state.lastY = currentY;
- callback(state);
- });
- };
- var state = {
- down: true,
- lastY: viewAreaElement.scrollTop,
- _eventHandler: debounceScroll
- };
- var rAF = null;
- viewAreaElement.addEventListener('scroll', debounceScroll, true);
- return state;
- }
- /**
- * Helper function to parse query string (e.g. ?param1=value&parm2=...).
- */
- function parseQueryString(query) {
- var parts = query.split('&');
- var params = {};
- for (var i = 0, ii = parts.length; i < ii; ++i) {
- var param = parts[i].split('=');
- var key = param[0].toLowerCase();
- var value = param.length > 1 ? param[1] : null;
- params[decodeURIComponent(key)] = decodeURIComponent(value);
- }
- return params;
- }
- /**
- * Use binary search to find the index of the first item in a given array which
- * passes a given condition. The items are expected to be sorted in the sense
- * that if the condition is true for one item in the array, then it is also true
- * for all following items.
- *
- * @returns {Number} Index of the first array element to pass the test,
- * or |items.length| if no such element exists.
- */
- function binarySearchFirstItem(items, condition) {
- var minIndex = 0;
- var maxIndex = items.length - 1;
- if (items.length === 0 || !condition(items[maxIndex])) {
- return items.length;
- }
- if (condition(items[minIndex])) {
- return minIndex;
- }
- while (minIndex < maxIndex) {
- var currentIndex = minIndex + maxIndex >> 1;
- var currentItem = items[currentIndex];
- if (condition(currentItem)) {
- maxIndex = currentIndex;
- } else {
- minIndex = currentIndex + 1;
- }
- }
- return minIndex;
- }
- /* === maxIndex */
- /**
- * Approximates float number as a fraction using Farey sequence (max order
- * of 8).
- * @param {number} x - Positive float number.
- * @returns {Array} Estimated fraction: the first array item is a numerator,
- * the second one is a denominator.
- */
- function approximateFraction(x) {
- // Fast paths for int numbers or their inversions.
- if (Math.floor(x) === x) {
- return [
- x,
- 1
- ];
- }
- var xinv = 1 / x;
- var limit = 8;
- if (xinv > limit) {
- return [
- 1,
- limit
- ];
- } else if (Math.floor(xinv) === xinv) {
- return [
- 1,
- xinv
- ];
- }
- var x_ = x > 1 ? xinv : x;
- // a/b and c/d are neighbours in Farey sequence.
- var a = 0, b = 1, c = 1, d = 1;
- // Limiting search to order 8.
- while (true) {
- // Generating next term in sequence (order of q).
- var p = a + c, q = b + d;
- if (q > limit) {
- break;
- }
- if (x_ <= p / q) {
- c = p;
- d = q;
- } else {
- a = p;
- b = q;
- }
- }
- // Select closest of the neighbours to x.
- if (x_ - a / b < c / d - x_) {
- return x_ === x ? [
- a,
- b
- ] : [
- b,
- a
- ];
- } else {
- return x_ === x ? [
- c,
- d
- ] : [
- d,
- c
- ];
- }
- }
- function roundToDivide(x, div) {
- var r = x % div;
- return r === 0 ? x : Math.round(x - r + div);
- }
- /**
- * Generic helper to find out what elements are visible within a scroll pane.
- */
- function getVisibleElements(scrollEl, views, sortByVisibility) {
- var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight;
- var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth;
- function isElementBottomBelowViewTop(view) {
- var element = view.div;
- var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
- return elementBottom > top;
- }
- var visible = [], view, element;
- var currentHeight, viewHeight, hiddenHeight, percentHeight;
- var currentWidth, viewWidth;
- var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop);
- for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
- view = views[i];
- element = view.div;
- currentHeight = element.offsetTop + element.clientTop;
- viewHeight = element.clientHeight;
- if (currentHeight > bottom) {
- break;
- }
- currentWidth = element.offsetLeft + element.clientLeft;
- viewWidth = element.clientWidth;
- if (currentWidth + viewWidth < left || currentWidth > right) {
- continue;
- }
- hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom);
- percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0;
- visible.push({
- id: view.id,
- x: currentWidth,
- y: currentHeight,
- view: view,
- percent: percentHeight
- });
- }
- var first = visible[0];
- var last = visible[visible.length - 1];
- if (sortByVisibility) {
- visible.sort(function (a, b) {
- var pc = a.percent - b.percent;
- if (Math.abs(pc) > 0.001) {
- return -pc;
- }
- return a.id - b.id;
- });
- }
- // ensure stability
- return {
- first: first,
- last: last,
- views: visible
- };
- }
- /**
- * Event handler to suppress context menu.
- */
- function noContextMenuHandler(e) {
- e.preventDefault();
- }
- /**
- * Returns the filename or guessed filename from the url (see issue 3455).
- * url {String} The original PDF location.
- * @return {String} Guessed PDF file name.
- */
- function getPDFFileNameFromURL(url) {
- var reURI = /^(?:([^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
- // SCHEME HOST 1.PATH 2.QUERY 3.REF
- // Pattern to get last matching NAME.pdf
- var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
- var splitURI = reURI.exec(url);
- var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
- if (suggestedFilename) {
- suggestedFilename = suggestedFilename[0];
- if (suggestedFilename.indexOf('%') !== -1) {
- // URL-encoded %2Fpath%2Fto%2Ffile.pdf should be file.pdf
- try {
- suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
- } catch (e) {
- }
- }
- }
- return suggestedFilename || 'document.pdf';
- }
- function normalizeWheelEventDelta(evt) {
- var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
- var angle = Math.atan2(evt.deltaY, evt.deltaX);
- if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
- // All that is left-up oriented has to change the sign.
- delta = -delta;
- }
- var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
- var MOUSE_DOM_DELTA_LINE_MODE = 1;
- var MOUSE_PIXELS_PER_LINE = 30;
- var MOUSE_LINES_PER_PAGE = 30;
- // Converts delta to per-page units
- if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
- delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
- } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
- delta /= MOUSE_LINES_PER_PAGE;
- }
- return delta;
- }
- /**
- * Simple event bus for an application. Listeners are attached using the
- * `on` and `off` methods. To raise an event, the `dispatch` method shall be
- * used.
- */
- var EventBus = function EventBusClosure() {
- function EventBus() {
- this._listeners = Object.create(null);
- }
- EventBus.prototype = {
- on: function EventBus_on(eventName, listener) {
- var eventListeners = this._listeners[eventName];
- if (!eventListeners) {
- eventListeners = [];
- this._listeners[eventName] = eventListeners;
- }
- eventListeners.push(listener);
- },
- off: function EventBus_on(eventName, listener) {
- var eventListeners = this._listeners[eventName];
- var i;
- if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
- return;
- }
- eventListeners.splice(i, 1);
- },
- dispatch: function EventBus_dispath(eventName) {
- var eventListeners = this._listeners[eventName];
- if (!eventListeners || eventListeners.length === 0) {
- return;
- }
- // Passing all arguments after the eventName to the listeners.
- var args = Array.prototype.slice.call(arguments, 1);
- // Making copy of the listeners array in case if it will be modified
- // during dispatch.
- eventListeners.slice(0).forEach(function (listener) {
- listener.apply(null, args);
- });
- }
- };
- return EventBus;
- }();
- var ProgressBar = function ProgressBarClosure() {
- function clamp(v, min, max) {
- return Math.min(Math.max(v, min), max);
- }
- function ProgressBar(id, opts) {
- this.visible = true;
- // Fetch the sub-elements for later.
- this.div = document.querySelector(id + ' .progress');
- // Get the loading bar element, so it can be resized to fit the viewer.
- this.bar = this.div.parentNode;
- // Get options, with sensible defaults.
- this.height = opts.height || 100;
- this.width = opts.width || 100;
- this.units = opts.units || '%';
- // Initialize heights.
- this.div.style.height = this.height + this.units;
- this.percent = 0;
- }
- ProgressBar.prototype = {
- updateBar: function ProgressBar_updateBar() {
- if (this._indeterminate) {
- this.div.classList.add('indeterminate');
- this.div.style.width = this.width + this.units;
- return;
- }
- this.div.classList.remove('indeterminate');
- var progressSize = this.width * this._percent / 100;
- this.div.style.width = progressSize + this.units;
- },
- get percent() {
- return this._percent;
- },
- set percent(val) {
- this._indeterminate = isNaN(val);
- this._percent = clamp(val, 0, 100);
- this.updateBar();
- },
- setWidth: function ProgressBar_setWidth(viewer) {
- if (viewer) {
- var container = viewer.parentNode;
- var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
- if (scrollbarWidth > 0) {
- this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
- }
- }
- },
- hide: function ProgressBar_hide() {
- if (!this.visible) {
- return;
- }
- this.visible = false;
- this.bar.classList.add('hidden');
- document.body.classList.remove('loadingInProgress');
- },
- show: function ProgressBar_show() {
- if (this.visible) {
- return;
- }
- this.visible = true;
- document.body.classList.add('loadingInProgress');
- this.bar.classList.remove('hidden');
- }
- };
- return ProgressBar;
- }();
- exports.CSS_UNITS = CSS_UNITS;
- exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
- exports.DEFAULT_SCALE = DEFAULT_SCALE;
- exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
- exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
- exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
- exports.VERTICAL_PADDING = VERTICAL_PADDING;
- exports.mozL10n = mozL10n;
- exports.EventBus = EventBus;
- exports.ProgressBar = ProgressBar;
- exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
- exports.noContextMenuHandler = noContextMenuHandler;
- exports.parseQueryString = parseQueryString;
- exports.getVisibleElements = getVisibleElements;
- exports.roundToDivide = roundToDivide;
- exports.approximateFraction = approximateFraction;
- exports.getOutputScale = getOutputScale;
- exports.scrollIntoView = scrollIntoView;
- exports.watchScroll = watchScroll;
- exports.binarySearchFirstItem = binarySearchFirstItem;
- exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebDOMEvents = {}, root.pdfjsWebUIUtils);
- }(this, function (exports, uiUtils) {
- var EventBus = uiUtils.EventBus;
- // Attaching to the application event bus to dispatch events to the DOM for
- // backwards viewer API compatibility.
- function attachDOMEventsToEventBus(eventBus) {
- eventBus.on('documentload', function () {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('documentload', true, true, {});
- window.dispatchEvent(event);
- });
- eventBus.on('pagerendered', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('pagerendered', true, true, {
- pageNumber: e.pageNumber,
- cssTransform: e.cssTransform
- });
- e.source.div.dispatchEvent(event);
- });
- eventBus.on('textlayerrendered', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber });
- e.source.textLayerDiv.dispatchEvent(event);
- });
- eventBus.on('pagechange', function (e) {
- var event = document.createEvent('UIEvents');
- event.initUIEvent('pagechange', true, true, window, 0);
- event.pageNumber = e.pageNumber;
- e.source.container.dispatchEvent(event);
- });
- eventBus.on('pagesinit', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('pagesinit', true, true, null);
- e.source.container.dispatchEvent(event);
- });
- eventBus.on('pagesloaded', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount });
- e.source.container.dispatchEvent(event);
- });
- eventBus.on('scalechange', function (e) {
- var event = document.createEvent('UIEvents');
- event.initUIEvent('scalechange', true, true, window, 0);
- event.scale = e.scale;
- event.presetValue = e.presetValue;
- e.source.container.dispatchEvent(event);
- });
- eventBus.on('updateviewarea', function (e) {
- var event = document.createEvent('UIEvents');
- event.initUIEvent('updateviewarea', true, true, window, 0);
- event.location = e.location;
- e.source.container.dispatchEvent(event);
- });
- eventBus.on('find', function (e) {
- if (e.source === window) {
- return;
- }
- // event comes from FirefoxCom, no need to replicate
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('find' + e.type, true, true, {
- query: e.query,
- phraseSearch: e.phraseSearch,
- caseSensitive: e.caseSensitive,
- highlightAll: e.highlightAll,
- findPrevious: e.findPrevious
- });
- window.dispatchEvent(event);
- });
- eventBus.on('attachmentsloaded', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount });
- e.source.container.dispatchEvent(event);
- });
- eventBus.on('sidebarviewchanged', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view });
- e.source.outerContainer.dispatchEvent(event);
- });
- eventBus.on('pagemode', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('pagemode', true, true, { mode: e.mode });
- e.source.pdfViewer.container.dispatchEvent(event);
- });
- eventBus.on('namedaction', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('namedaction', true, true, { action: e.action });
- e.source.pdfViewer.container.dispatchEvent(event);
- });
- eventBus.on('presentationmodechanged', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('presentationmodechanged', true, true, {
- active: e.active,
- switchInProgress: e.switchInProgress
- });
- window.dispatchEvent(event);
- });
- eventBus.on('outlineloaded', function (e) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount });
- e.source.container.dispatchEvent(event);
- });
- }
- var globalEventBus = null;
- function getGlobalEventBus() {
- if (globalEventBus) {
- return globalEventBus;
- }
- globalEventBus = new EventBus();
- attachDOMEventsToEventBus(globalEventBus);
- return globalEventBus;
- }
- exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
- exports.getGlobalEventBus = getGlobalEventBus;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPasswordPrompt = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebPDFJS);
- }(this, function (exports, uiUtils, overlayManager, pdfjsLib) {
- var mozL10n = uiUtils.mozL10n;
- var OverlayManager = overlayManager.OverlayManager;
- /**
- * @typedef {Object} PasswordPromptOptions
- * @property {string} overlayName - Name of the overlay for the overlay manager.
- * @property {HTMLDivElement} container - Div container for the overlay.
- * @property {HTMLParagraphElement} label - Label containing instructions for
- * entering the password.
- * @property {HTMLInputElement} input - Input field for entering the password.
- * @property {HTMLButtonElement} submitButton - Button for submitting the
- * password.
- * @property {HTMLButtonElement} cancelButton - Button for cancelling password
- * entry.
- */
- /**
- * @class
- */
- var PasswordPrompt = function PasswordPromptClosure() {
- /**
- * @constructs PasswordPrompt
- * @param {PasswordPromptOptions} options
- */
- function PasswordPrompt(options) {
- this.overlayName = options.overlayName;
- this.container = options.container;
- this.label = options.label;
- this.input = options.input;
- this.submitButton = options.submitButton;
- this.cancelButton = options.cancelButton;
- this.updateCallback = null;
- this.reason = null;
- // Attach the event listeners.
- this.submitButton.addEventListener('click', this.verify.bind(this));
- this.cancelButton.addEventListener('click', this.close.bind(this));
- this.input.addEventListener('keydown', function (e) {
- if (e.keyCode === 13) {
- // Enter key
- this.verify();
- }
- }.bind(this));
- OverlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
- }
- PasswordPrompt.prototype = {
- open: function PasswordPrompt_open() {
- OverlayManager.open(this.overlayName).then(function () {
- this.input.type = 'password';
- this.input.focus();
- var promptString = mozL10n.get('password_label', null, 'Enter the password to open this PDF file.');
- if (this.reason === pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
- promptString = mozL10n.get('password_invalid', null, 'Invalid password. Please try again.');
- }
- this.label.textContent = promptString;
- }.bind(this));
- },
- close: function PasswordPrompt_close() {
- OverlayManager.close(this.overlayName).then(function () {
- this.input.value = '';
- this.input.type = '';
- }.bind(this));
- },
- verify: function PasswordPrompt_verify() {
- var password = this.input.value;
- if (password && password.length > 0) {
- this.close();
- return this.updateCallback(password);
- }
- },
- setUpdateCallback: function PasswordPrompt_setUpdateCallback(updateCallback, reason) {
- this.updateCallback = updateCallback;
- this.reason = reason;
- }
- };
- return PasswordPrompt;
- }();
- exports.PasswordPrompt = PasswordPrompt;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFDocumentProperties = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager);
- }(this, function (exports, uiUtils, overlayManager) {
- var getPDFFileNameFromURL = uiUtils.getPDFFileNameFromURL;
- var mozL10n = uiUtils.mozL10n;
- var OverlayManager = overlayManager.OverlayManager;
- /**
- * @typedef {Object} PDFDocumentPropertiesOptions
- * @property {string} overlayName - Name/identifier for the overlay.
- * @property {Object} fields - Names and elements of the overlay's fields.
- * @property {HTMLButtonElement} closeButton - Button for closing the overlay.
- */
- /**
- * @class
- */
- var PDFDocumentProperties = function PDFDocumentPropertiesClosure() {
- /**
- * @constructs PDFDocumentProperties
- * @param {PDFDocumentPropertiesOptions} options
- */
- function PDFDocumentProperties(options) {
- this.fields = options.fields;
- this.overlayName = options.overlayName;
- this.container = options.container;
- this.rawFileSize = 0;
- this.url = null;
- this.pdfDocument = null;
- // Bind the event listener for the Close button.
- if (options.closeButton) {
- options.closeButton.addEventListener('click', this.close.bind(this));
- }
- this.dataAvailablePromise = new Promise(function (resolve) {
- this.resolveDataAvailable = resolve;
- }.bind(this));
- OverlayManager.register(this.overlayName, this.container, this.close.bind(this));
- }
- PDFDocumentProperties.prototype = {
- /**
- * Open the document properties overlay.
- */
- open: function PDFDocumentProperties_open() {
- Promise.all([
- OverlayManager.open(this.overlayName),
- this.dataAvailablePromise
- ]).then(function () {
- this._getProperties();
- }.bind(this));
- },
- /**
- * Close the document properties overlay.
- */
- close: function PDFDocumentProperties_close() {
- OverlayManager.close(this.overlayName);
- },
- /**
- * Set the file size of the PDF document. This method is used to
- * update the file size in the document properties overlay once it
- * is known so we do not have to wait until the entire file is loaded.
- *
- * @param {number} fileSize - The file size of the PDF document.
- */
- setFileSize: function PDFDocumentProperties_setFileSize(fileSize) {
- if (fileSize > 0) {
- this.rawFileSize = fileSize;
- }
- },
- /**
- * Set a reference to the PDF document and the URL in order
- * to populate the overlay fields with the document properties.
- * Note that the overlay will contain no information if this method
- * is not called.
- *
- * @param {Object} pdfDocument - A reference to the PDF document.
- * @param {string} url - The URL of the document.
- */
- setDocumentAndUrl: function PDFDocumentProperties_setDocumentAndUrl(pdfDocument, url) {
- this.pdfDocument = pdfDocument;
- this.url = url;
- this.resolveDataAvailable();
- },
- /**
- * @private
- */
- _getProperties: function PDFDocumentProperties_getProperties() {
- if (!OverlayManager.active) {
- // If the dialog was closed before dataAvailablePromise was resolved,
- // don't bother updating the properties.
- return;
- }
- // Get the file size (if it hasn't already been set).
- this.pdfDocument.getDownloadInfo().then(function (data) {
- if (data.length === this.rawFileSize) {
- return;
- }
- this.setFileSize(data.length);
- this._updateUI(this.fields['fileSize'], this._parseFileSize());
- }.bind(this));
- // Get the document properties.
- this.pdfDocument.getMetadata().then(function (data) {
- var content = {
- 'fileName': getPDFFileNameFromURL(this.url),
- 'fileSize': this._parseFileSize(),
- 'title': data.info.Title,
- 'author': data.info.Author,
- 'subject': data.info.Subject,
- 'keywords': data.info.Keywords,
- 'creationDate': this._parseDate(data.info.CreationDate),
- 'modificationDate': this._parseDate(data.info.ModDate),
- 'creator': data.info.Creator,
- 'producer': data.info.Producer,
- 'version': data.info.PDFFormatVersion,
- 'pageCount': this.pdfDocument.numPages
- };
- // Show the properties in the dialog.
- for (var identifier in content) {
- this._updateUI(this.fields[identifier], content[identifier]);
- }
- }.bind(this));
- },
- /**
- * @private
- */
- _updateUI: function PDFDocumentProperties_updateUI(field, content) {
- if (field && content !== undefined && content !== '') {
- field.textContent = content;
- }
- },
- /**
- * @private
- */
- _parseFileSize: function PDFDocumentProperties_parseFileSize() {
- var fileSize = this.rawFileSize, kb = fileSize / 1024;
- if (!kb) {
- return;
- } else if (kb < 1024) {
- return mozL10n.get('document_properties_kb', {
- size_kb: (+kb.toPrecision(3)).toLocaleString(),
- size_b: fileSize.toLocaleString()
- }, '{{size_kb}} KB ({{size_b}} bytes)');
- } else {
- return mozL10n.get('document_properties_mb', {
- size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
- size_b: fileSize.toLocaleString()
- }, '{{size_mb}} MB ({{size_b}} bytes)');
- }
- },
- /**
- * @private
- */
- _parseDate: function PDFDocumentProperties_parseDate(inputDate) {
- // This is implemented according to the PDF specification, but note that
- // Adobe Reader doesn't handle changing the date to universal time
- // and doesn't use the user's time zone (they're effectively ignoring
- // the HH' and mm' parts of the date string).
- var dateToParse = inputDate;
- if (dateToParse === undefined) {
- return '';
- }
- // Remove the D: prefix if it is available.
- if (dateToParse.substring(0, 2) === 'D:') {
- dateToParse = dateToParse.substring(2);
- }
- // Get all elements from the PDF date string.
- // JavaScript's Date object expects the month to be between
- // 0 and 11 instead of 1 and 12, so we're correcting for this.
- var year = parseInt(dateToParse.substring(0, 4), 10);
- var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
- var day = parseInt(dateToParse.substring(6, 8), 10);
- var hours = parseInt(dateToParse.substring(8, 10), 10);
- var minutes = parseInt(dateToParse.substring(10, 12), 10);
- var seconds = parseInt(dateToParse.substring(12, 14), 10);
- var utRel = dateToParse.substring(14, 15);
- var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
- var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
- // As per spec, utRel = 'Z' means equal to universal time.
- // The other cases ('-' and '+') have to be handled here.
- if (utRel === '-') {
- hours += offsetHours;
- minutes += offsetMinutes;
- } else if (utRel === '+') {
- hours -= offsetHours;
- minutes -= offsetMinutes;
- }
- // Return the new date format from the user's locale.
- var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
- var dateString = date.toLocaleDateString();
- var timeString = date.toLocaleTimeString();
- return mozL10n.get('document_properties_date_string', {
- date: dateString,
- time: timeString
- }, '{{date}}, {{time}}');
- }
- };
- return PDFDocumentProperties;
- }();
- exports.PDFDocumentProperties = PDFDocumentProperties;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFFindController = {}, root.pdfjsWebUIUtils);
- }(this, function (exports, uiUtils) {
- var scrollIntoView = uiUtils.scrollIntoView;
- var FindStates = {
- FIND_FOUND: 0,
- FIND_NOTFOUND: 1,
- FIND_WRAPPED: 2,
- FIND_PENDING: 3
- };
- var FIND_SCROLL_OFFSET_TOP = -50;
- var FIND_SCROLL_OFFSET_LEFT = -400;
- var CHARACTERS_TO_NORMALIZE = {
- '\u2018': '\'',
- // Left single quotation mark
- '\u2019': '\'',
- // Right single quotation mark
- '\u201A': '\'',
- // Single low-9 quotation mark
- '\u201B': '\'',
- // Single high-reversed-9 quotation mark
- '\u201C': '"',
- // Left double quotation mark
- '\u201D': '"',
- // Right double quotation mark
- '\u201E': '"',
- // Double low-9 quotation mark
- '\u201F': '"',
- // Double high-reversed-9 quotation mark
- '\u00BC': '1/4',
- // Vulgar fraction one quarter
- '\u00BD': '1/2',
- // Vulgar fraction one half
- '\u00BE': '3/4'
- };
- // Vulgar fraction three quarters
- /**
- * Provides "search" or "find" functionality for the PDF.
- * This object actually performs the search for a given string.
- */
- var PDFFindController = function PDFFindControllerClosure() {
- function PDFFindController(options) {
- this.pdfViewer = options.pdfViewer || null;
- this.onUpdateResultsCount = null;
- this.onUpdateState = null;
- this.reset();
- // Compile the regular expression for text normalization once.
- var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
- this.normalizationRegex = new RegExp('[' + replace + ']', 'g');
- }
- PDFFindController.prototype = {
- reset: function PDFFindController_reset() {
- this.startedTextExtraction = false;
- this.extractTextPromises = [];
- this.pendingFindMatches = Object.create(null);
- this.active = false;
- // If active, find results will be highlighted.
- this.pageContents = [];
- // Stores the text for each page.
- this.pageMatches = [];
- this.pageMatchesLength = null;
- this.matchCount = 0;
- this.selected = {
- // Currently selected match.
- pageIdx: -1,
- matchIdx: -1
- };
- this.offset = {
- // Where the find algorithm currently is in the document.
- pageIdx: null,
- matchIdx: null
- };
- this.pagesToSearch = null;
- this.resumePageIdx = null;
- this.state = null;
- this.dirtyMatch = false;
- this.findTimeout = null;
- this.firstPagePromise = new Promise(function (resolve) {
- this.resolveFirstPage = resolve;
- }.bind(this));
- },
- normalize: function PDFFindController_normalize(text) {
- return text.replace(this.normalizationRegex, function (ch) {
- return CHARACTERS_TO_NORMALIZE[ch];
- });
- },
- // Helper for multiple search - fills matchesWithLength array
- // and takes into account cases when one search term
- // include another search term (for example, "tamed tame" or "this is").
- // Looking for intersecting terms in the 'matches' and
- // leave elements with a longer match-length.
- _prepareMatches: function PDFFindController_prepareMatches(matchesWithLength, matches, matchesLength) {
- function isSubTerm(matchesWithLength, currentIndex) {
- var currentElem, prevElem, nextElem;
- currentElem = matchesWithLength[currentIndex];
- nextElem = matchesWithLength[currentIndex + 1];
- // checking for cases like "TAMEd TAME"
- if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
- currentElem.skipped = true;
- return true;
- }
- // checking for cases like "thIS IS"
- for (var i = currentIndex - 1; i >= 0; i--) {
- prevElem = matchesWithLength[i];
- if (prevElem.skipped) {
- continue;
- }
- if (prevElem.match + prevElem.matchLength < currentElem.match) {
- break;
- }
- if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
- currentElem.skipped = true;
- return true;
- }
- }
- return false;
- }
- var i, len;
- // Sorting array of objects { match: <match>, matchLength: <matchLength> }
- // in increasing index first and then the lengths.
- matchesWithLength.sort(function (a, b) {
- return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
- });
- for (i = 0, len = matchesWithLength.length; i < len; i++) {
- if (isSubTerm(matchesWithLength, i)) {
- continue;
- }
- matches.push(matchesWithLength[i].match);
- matchesLength.push(matchesWithLength[i].matchLength);
- }
- },
- calcFindPhraseMatch: function PDFFindController_calcFindPhraseMatch(query, pageIndex, pageContent) {
- var matches = [];
- var queryLen = query.length;
- var matchIdx = -queryLen;
- while (true) {
- matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
- if (matchIdx === -1) {
- break;
- }
- matches.push(matchIdx);
- }
- this.pageMatches[pageIndex] = matches;
- },
- calcFindWordMatch: function PDFFindController_calcFindWordMatch(query, pageIndex, pageContent) {
- var matchesWithLength = [];
- // Divide the query into pieces and search for text on each piece.
- var queryArray = query.match(/\S+/g);
- var subquery, subqueryLen, matchIdx;
- for (var i = 0, len = queryArray.length; i < len; i++) {
- subquery = queryArray[i];
- subqueryLen = subquery.length;
- matchIdx = -subqueryLen;
- while (true) {
- matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
- if (matchIdx === -1) {
- break;
- }
- // Other searches do not, so we store the length.
- matchesWithLength.push({
- match: matchIdx,
- matchLength: subqueryLen,
- skipped: false
- });
- }
- }
- // Prepare arrays for store the matches.
- if (!this.pageMatchesLength) {
- this.pageMatchesLength = [];
- }
- this.pageMatchesLength[pageIndex] = [];
- this.pageMatches[pageIndex] = [];
- // Sort matchesWithLength, clean up intersecting terms
- // and put the result into the two arrays.
- this._prepareMatches(matchesWithLength, this.pageMatches[pageIndex], this.pageMatchesLength[pageIndex]);
- },
- calcFindMatch: function PDFFindController_calcFindMatch(pageIndex) {
- var pageContent = this.normalize(this.pageContents[pageIndex]);
- var query = this.normalize(this.state.query);
- var caseSensitive = this.state.caseSensitive;
- var phraseSearch = this.state.phraseSearch;
- var queryLen = query.length;
- if (queryLen === 0) {
- // Do nothing: the matches should be wiped out already.
- return;
- }
- if (!caseSensitive) {
- pageContent = pageContent.toLowerCase();
- query = query.toLowerCase();
- }
- if (phraseSearch) {
- this.calcFindPhraseMatch(query, pageIndex, pageContent);
- } else {
- this.calcFindWordMatch(query, pageIndex, pageContent);
- }
- this.updatePage(pageIndex);
- if (this.resumePageIdx === pageIndex) {
- this.resumePageIdx = null;
- this.nextPageMatch();
- }
- // Update the matches count
- if (this.pageMatches[pageIndex].length > 0) {
- this.matchCount += this.pageMatches[pageIndex].length;
- this.updateUIResultsCount();
- }
- },
- extractText: function PDFFindController_extractText() {
- if (this.startedTextExtraction) {
- return;
- }
- this.startedTextExtraction = true;
- this.pageContents = [];
- var extractTextPromisesResolves = [];
- var numPages = this.pdfViewer.pagesCount;
- for (var i = 0; i < numPages; i++) {
- this.extractTextPromises.push(new Promise(function (resolve) {
- extractTextPromisesResolves.push(resolve);
- }));
- }
- var self = this;
- function extractPageText(pageIndex) {
- self.pdfViewer.getPageTextContent(pageIndex).then(function textContentResolved(textContent) {
- var textItems = textContent.items;
- var str = [];
- for (var i = 0, len = textItems.length; i < len; i++) {
- str.push(textItems[i].str);
- }
- // Store the pageContent as a string.
- self.pageContents.push(str.join(''));
- extractTextPromisesResolves[pageIndex](pageIndex);
- if (pageIndex + 1 < self.pdfViewer.pagesCount) {
- extractPageText(pageIndex + 1);
- }
- });
- }
- extractPageText(0);
- },
- executeCommand: function PDFFindController_executeCommand(cmd, state) {
- if (this.state === null || cmd !== 'findagain') {
- this.dirtyMatch = true;
- }
- this.state = state;
- this.updateUIState(FindStates.FIND_PENDING);
- this.firstPagePromise.then(function () {
- this.extractText();
- clearTimeout(this.findTimeout);
- if (cmd === 'find') {
- // Only trigger the find action after 250ms of silence.
- this.findTimeout = setTimeout(this.nextMatch.bind(this), 250);
- } else {
- this.nextMatch();
- }
- }.bind(this));
- },
- updatePage: function PDFFindController_updatePage(index) {
- if (this.selected.pageIdx === index) {
- // If the page is selected, scroll the page into view, which triggers
- // rendering the page, which adds the textLayer. Once the textLayer is
- // build, it will scroll onto the selected match.
- this.pdfViewer.currentPageNumber = index + 1;
- }
- var page = this.pdfViewer.getPageView(index);
- if (page.textLayer) {
- page.textLayer.updateMatches();
- }
- },
- nextMatch: function PDFFindController_nextMatch() {
- var previous = this.state.findPrevious;
- var currentPageIndex = this.pdfViewer.currentPageNumber - 1;
- var numPages = this.pdfViewer.pagesCount;
- this.active = true;
- if (this.dirtyMatch) {
- // Need to recalculate the matches, reset everything.
- this.dirtyMatch = false;
- this.selected.pageIdx = this.selected.matchIdx = -1;
- this.offset.pageIdx = currentPageIndex;
- this.offset.matchIdx = null;
- this.hadMatch = false;
- this.resumePageIdx = null;
- this.pageMatches = [];
- this.matchCount = 0;
- this.pageMatchesLength = null;
- var self = this;
- for (var i = 0; i < numPages; i++) {
- // Wipe out any previous highlighted matches.
- this.updatePage(i);
- // As soon as the text is extracted start finding the matches.
- if (!(i in this.pendingFindMatches)) {
- this.pendingFindMatches[i] = true;
- this.extractTextPromises[i].then(function (pageIdx) {
- delete self.pendingFindMatches[pageIdx];
- self.calcFindMatch(pageIdx);
- });
- }
- }
- }
- // If there's no query there's no point in searching.
- if (this.state.query === '') {
- this.updateUIState(FindStates.FIND_FOUND);
- return;
- }
- // If we're waiting on a page, we return since we can't do anything else.
- if (this.resumePageIdx) {
- return;
- }
- var offset = this.offset;
- // Keep track of how many pages we should maximally iterate through.
- this.pagesToSearch = numPages;
- // If there's already a matchIdx that means we are iterating through a
- // page's matches.
- if (offset.matchIdx !== null) {
- var numPageMatches = this.pageMatches[offset.pageIdx].length;
- if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
- // The simple case; we just have advance the matchIdx to select
- // the next match on the page.
- this.hadMatch = true;
- offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
- this.updateMatch(true);
- return;
- }
- // We went beyond the current page's matches, so we advance to
- // the next page.
- this.advanceOffsetPage(previous);
- }
- // Start searching through the page.
- this.nextPageMatch();
- },
- matchesReady: function PDFFindController_matchesReady(matches) {
- var offset = this.offset;
- var numMatches = matches.length;
- var previous = this.state.findPrevious;
- if (numMatches) {
- // There were matches for the page, so initialize the matchIdx.
- this.hadMatch = true;
- offset.matchIdx = previous ? numMatches - 1 : 0;
- this.updateMatch(true);
- return true;
- } else {
- // No matches, so attempt to search the next page.
- this.advanceOffsetPage(previous);
- if (offset.wrapped) {
- offset.matchIdx = null;
- if (this.pagesToSearch < 0) {
- // No point in wrapping again, there were no matches.
- this.updateMatch(false);
- // while matches were not found, searching for a page
- // with matches should nevertheless halt.
- return true;
- }
- }
- // Matches were not found (and searching is not done).
- return false;
- }
- },
- /**
- * The method is called back from the text layer when match presentation
- * is updated.
- * @param {number} pageIndex - page index.
- * @param {number} index - match index.
- * @param {Array} elements - text layer div elements array.
- * @param {number} beginIdx - start index of the div array for the match.
- */
- updateMatchPosition: function PDFFindController_updateMatchPosition(pageIndex, index, elements, beginIdx) {
- if (this.selected.matchIdx === index && this.selected.pageIdx === pageIndex) {
- var spot = {
- top: FIND_SCROLL_OFFSET_TOP,
- left: FIND_SCROLL_OFFSET_LEFT
- };
- scrollIntoView(elements[beginIdx], spot, /* skipOverflowHiddenElements = */
- true);
- }
- },
- nextPageMatch: function PDFFindController_nextPageMatch() {
- if (this.resumePageIdx !== null) {
- console.error('There can only be one pending page.');
- }
- do {
- var pageIdx = this.offset.pageIdx;
- var matches = this.pageMatches[pageIdx];
- if (!matches) {
- // The matches don't exist yet for processing by "matchesReady",
- // so set a resume point for when they do exist.
- this.resumePageIdx = pageIdx;
- break;
- }
- } while (!this.matchesReady(matches));
- },
- advanceOffsetPage: function PDFFindController_advanceOffsetPage(previous) {
- var offset = this.offset;
- var numPages = this.extractTextPromises.length;
- offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
- offset.matchIdx = null;
- this.pagesToSearch--;
- if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
- offset.pageIdx = previous ? numPages - 1 : 0;
- offset.wrapped = true;
- }
- },
- updateMatch: function PDFFindController_updateMatch(found) {
- var state = FindStates.FIND_NOTFOUND;
- var wrapped = this.offset.wrapped;
- this.offset.wrapped = false;
- if (found) {
- var previousPage = this.selected.pageIdx;
- this.selected.pageIdx = this.offset.pageIdx;
- this.selected.matchIdx = this.offset.matchIdx;
- state = wrapped ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND;
- // Update the currently selected page to wipe out any selected matches.
- if (previousPage !== -1 && previousPage !== this.selected.pageIdx) {
- this.updatePage(previousPage);
- }
- }
- this.updateUIState(state, this.state.findPrevious);
- if (this.selected.pageIdx !== -1) {
- this.updatePage(this.selected.pageIdx);
- }
- },
- updateUIResultsCount: function PDFFindController_updateUIResultsCount() {
- if (this.onUpdateResultsCount) {
- this.onUpdateResultsCount(this.matchCount);
- }
- },
- updateUIState: function PDFFindController_updateUIState(state, previous) {
- if (this.onUpdateState) {
- this.onUpdateState(state, previous, this.matchCount);
- }
- }
- };
- return PDFFindController;
- }();
- exports.FindStates = FindStates;
- exports.PDFFindController = PDFFindController;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFPresentationMode = {}, root.pdfjsWebUIUtils);
- }(this, function (exports, uiUtils) {
- var normalizeWheelEventDelta = uiUtils.normalizeWheelEventDelta;
- var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
- // in ms
- var DELAY_BEFORE_HIDING_CONTROLS = 3000;
- // in ms
- var ACTIVE_SELECTOR = 'pdfPresentationMode';
- var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
- /**
- * @typedef {Object} PDFPresentationModeOptions
- * @property {HTMLDivElement} container - The container for the viewer element.
- * @property {HTMLDivElement} viewer - (optional) The viewer element.
- * @property {PDFViewer} pdfViewer - The document viewer.
- * @property {EventBus} eventBus - The application event bus.
- * @property {Array} contextMenuItems - (optional) The menuitems that are added
- * to the context menu in Presentation Mode.
- */
- /**
- * @class
- */
- var PDFPresentationMode = function PDFPresentationModeClosure() {
- /**
- * @constructs PDFPresentationMode
- * @param {PDFPresentationModeOptions} options
- */
- function PDFPresentationMode(options) {
- this.container = options.container;
- this.viewer = options.viewer || options.container.firstElementChild;
- this.pdfViewer = options.pdfViewer;
- this.eventBus = options.eventBus;
- var contextMenuItems = options.contextMenuItems || null;
- this.active = false;
- this.args = null;
- this.contextMenuOpen = false;
- this.mouseScrollTimeStamp = 0;
- this.mouseScrollDelta = 0;
- this.touchSwipeState = null;
- if (contextMenuItems) {
- contextMenuItems.contextFirstPage.addEventListener('click', function PDFPresentationMode_contextFirstPageClick(e) {
- this.contextMenuOpen = false;
- this.eventBus.dispatch('firstpage');
- }.bind(this));
- contextMenuItems.contextLastPage.addEventListener('click', function PDFPresentationMode_contextLastPageClick(e) {
- this.contextMenuOpen = false;
- this.eventBus.dispatch('lastpage');
- }.bind(this));
- contextMenuItems.contextPageRotateCw.addEventListener('click', function PDFPresentationMode_contextPageRotateCwClick(e) {
- this.contextMenuOpen = false;
- this.eventBus.dispatch('rotatecw');
- }.bind(this));
- contextMenuItems.contextPageRotateCcw.addEventListener('click', function PDFPresentationMode_contextPageRotateCcwClick(e) {
- this.contextMenuOpen = false;
- this.eventBus.dispatch('rotateccw');
- }.bind(this));
- }
- }
- PDFPresentationMode.prototype = {
- /**
- * Request the browser to enter fullscreen mode.
- * @returns {boolean} Indicating if the request was successful.
- */
- request: function PDFPresentationMode_request() {
- if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
- return false;
- }
- this._addFullscreenChangeListeners();
- this._setSwitchInProgress();
- this._notifyStateChange();
- if (this.container.requestFullscreen) {
- this.container.requestFullscreen();
- } else if (this.container.mozRequestFullScreen) {
- this.container.mozRequestFullScreen();
- } else if (this.container.webkitRequestFullscreen) {
- this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
- } else if (this.container.msRequestFullscreen) {
- this.container.msRequestFullscreen();
- } else {
- return false;
- }
- this.args = {
- page: this.pdfViewer.currentPageNumber,
- previousScale: this.pdfViewer.currentScaleValue
- };
- return true;
- },
- /**
- * @private
- */
- _mouseWheel: function PDFPresentationMode_mouseWheel(evt) {
- if (!this.active) {
- return;
- }
- evt.preventDefault();
- var delta = normalizeWheelEventDelta(evt);
- var MOUSE_SCROLL_COOLDOWN_TIME = 50;
- var PAGE_SWITCH_THRESHOLD = 0.1;
- var currentTime = new Date().getTime();
- var storedTime = this.mouseScrollTimeStamp;
- // If we've already switched page, avoid accidentally switching again.
- if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
- return;
- }
- // If the scroll direction changed, reset the accumulated scroll delta.
- if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
- this._resetMouseScrollState();
- }
- this.mouseScrollDelta += delta;
- if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
- var totalDelta = this.mouseScrollDelta;
- this._resetMouseScrollState();
- var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
- if (success) {
- this.mouseScrollTimeStamp = currentTime;
- }
- }
- },
- get isFullscreen() {
- return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
- },
- /**
- * @private
- */
- _goToPreviousPage: function PDFPresentationMode_goToPreviousPage() {
- var page = this.pdfViewer.currentPageNumber;
- // If we're at the first page, we don't need to do anything.
- if (page <= 1) {
- return false;
- }
- this.pdfViewer.currentPageNumber = page - 1;
- return true;
- },
- /**
- * @private
- */
- _goToNextPage: function PDFPresentationMode_goToNextPage() {
- var page = this.pdfViewer.currentPageNumber;
- // If we're at the last page, we don't need to do anything.
- if (page >= this.pdfViewer.pagesCount) {
- return false;
- }
- this.pdfViewer.currentPageNumber = page + 1;
- return true;
- },
- /**
- * @private
- */
- _notifyStateChange: function PDFPresentationMode_notifyStateChange() {
- this.eventBus.dispatch('presentationmodechanged', {
- source: this,
- active: this.active,
- switchInProgress: !!this.switchInProgress
- });
- },
- /**
- * Used to initialize a timeout when requesting Presentation Mode,
- * i.e. when the browser is requested to enter fullscreen mode.
- * This timeout is used to prevent the current page from being scrolled
- * partially, or completely, out of view when entering Presentation Mode.
- * NOTE: This issue seems limited to certain zoom levels (e.g. page-width).
- * @private
- */
- _setSwitchInProgress: function PDFPresentationMode_setSwitchInProgress() {
- if (this.switchInProgress) {
- clearTimeout(this.switchInProgress);
- }
- this.switchInProgress = setTimeout(function switchInProgressTimeout() {
- this._removeFullscreenChangeListeners();
- delete this.switchInProgress;
- this._notifyStateChange();
- }.bind(this), DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
- },
- /**
- * @private
- */
- _resetSwitchInProgress: function PDFPresentationMode_resetSwitchInProgress() {
- if (this.switchInProgress) {
- clearTimeout(this.switchInProgress);
- delete this.switchInProgress;
- }
- },
- /**
- * @private
- */
- _enter: function PDFPresentationMode_enter() {
- this.active = true;
- this._resetSwitchInProgress();
- this._notifyStateChange();
- this.container.classList.add(ACTIVE_SELECTOR);
- // Ensure that the correct page is scrolled into view when entering
- // Presentation Mode, by waiting until fullscreen mode in enabled.
- setTimeout(function enterPresentationModeTimeout() {
- this.pdfViewer.currentPageNumber = this.args.page;
- this.pdfViewer.currentScaleValue = 'page-fit';
- }.bind(this), 0);
- this._addWindowListeners();
- this._showControls();
- this.contextMenuOpen = false;
- this.container.setAttribute('contextmenu', 'viewerContextMenu');
- // Text selection is disabled in Presentation Mode, thus it's not possible
- // for the user to deselect text that is selected (e.g. with "Select all")
- // when entering Presentation Mode, hence we remove any active selection.
- window.getSelection().removeAllRanges();
- },
- /**
- * @private
- */
- _exit: function PDFPresentationMode_exit() {
- var page = this.pdfViewer.currentPageNumber;
- this.container.classList.remove(ACTIVE_SELECTOR);
- // Ensure that the correct page is scrolled into view when exiting
- // Presentation Mode, by waiting until fullscreen mode is disabled.
- setTimeout(function exitPresentationModeTimeout() {
- this.active = false;
- this._removeFullscreenChangeListeners();
- this._notifyStateChange();
- this.pdfViewer.currentScaleValue = this.args.previousScale;
- this.pdfViewer.currentPageNumber = page;
- this.args = null;
- }.bind(this), 0);
- this._removeWindowListeners();
- this._hideControls();
- this._resetMouseScrollState();
- this.container.removeAttribute('contextmenu');
- this.contextMenuOpen = false;
- },
- /**
- * @private
- */
- _mouseDown: function PDFPresentationMode_mouseDown(evt) {
- if (this.contextMenuOpen) {
- this.contextMenuOpen = false;
- evt.preventDefault();
- return;
- }
- if (evt.button === 0) {
- // Enable clicking of links in presentation mode. Please note:
- // Only links pointing to destinations in the current PDF document work.
- var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');
- if (!isInternalLink) {
- // Unless an internal link was clicked, advance one page.
- evt.preventDefault();
- this.pdfViewer.currentPageNumber += evt.shiftKey ? -1 : 1;
- }
- }
- },
- /**
- * @private
- */
- _contextMenu: function PDFPresentationMode_contextMenu() {
- this.contextMenuOpen = true;
- },
- /**
- * @private
- */
- _showControls: function PDFPresentationMode_showControls() {
- if (this.controlsTimeout) {
- clearTimeout(this.controlsTimeout);
- } else {
- this.container.classList.add(CONTROLS_SELECTOR);
- }
- this.controlsTimeout = setTimeout(function showControlsTimeout() {
- this.container.classList.remove(CONTROLS_SELECTOR);
- delete this.controlsTimeout;
- }.bind(this), DELAY_BEFORE_HIDING_CONTROLS);
- },
- /**
- * @private
- */
- _hideControls: function PDFPresentationMode_hideControls() {
- if (!this.controlsTimeout) {
- return;
- }
- clearTimeout(this.controlsTimeout);
- this.container.classList.remove(CONTROLS_SELECTOR);
- delete this.controlsTimeout;
- },
- /**
- * Resets the properties used for tracking mouse scrolling events.
- * @private
- */
- _resetMouseScrollState: function PDFPresentationMode_resetMouseScrollState() {
- this.mouseScrollTimeStamp = 0;
- this.mouseScrollDelta = 0;
- },
- /**
- * @private
- */
- _touchSwipe: function PDFPresentationMode_touchSwipe(evt) {
- if (!this.active) {
- return;
- }
- // Must move at least these many CSS pixels for it to count as a swipe
- var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
- // The swipe angle is allowed to deviate from the x or y axis by this much
- // before it is not considered a swipe in that direction any more.
- var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
- if (evt.touches.length > 1) {
- // Multiple touch points detected, cancel the swipe.
- this.touchSwipeState = null;
- return;
- }
- switch (evt.type) {
- case 'touchstart':
- this.touchSwipeState = {
- startX: evt.touches[0].pageX,
- startY: evt.touches[0].pageY,
- endX: evt.touches[0].pageX,
- endY: evt.touches[0].pageY
- };
- break;
- case 'touchmove':
- if (this.touchSwipeState === null) {
- return;
- }
- this.touchSwipeState.endX = evt.touches[0].pageX;
- this.touchSwipeState.endY = evt.touches[0].pageY;
- // Do a preventDefault to avoid the swipe from triggering browser
- // gestures (Chrome in particular has some sort of swipe gesture in
- // fullscreen mode).
- evt.preventDefault();
- break;
- case 'touchend':
- if (this.touchSwipeState === null) {
- return;
- }
- var delta = 0;
- var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
- var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
- var absAngle = Math.abs(Math.atan2(dy, dx));
- if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
- // horizontal swipe
- delta = dx;
- } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
- // vertical swipe
- delta = dy;
- }
- if (delta > 0) {
- this._goToPreviousPage();
- } else if (delta < 0) {
- this._goToNextPage();
- }
- break;
- }
- },
- /**
- * @private
- */
- _addWindowListeners: function PDFPresentationMode_addWindowListeners() {
- this.showControlsBind = this._showControls.bind(this);
- this.mouseDownBind = this._mouseDown.bind(this);
- this.mouseWheelBind = this._mouseWheel.bind(this);
- this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
- this.contextMenuBind = this._contextMenu.bind(this);
- this.touchSwipeBind = this._touchSwipe.bind(this);
- window.addEventListener('mousemove', this.showControlsBind);
- window.addEventListener('mousedown', this.mouseDownBind);
- window.addEventListener('wheel', this.mouseWheelBind);
- window.addEventListener('keydown', this.resetMouseScrollStateBind);
- window.addEventListener('contextmenu', this.contextMenuBind);
- window.addEventListener('touchstart', this.touchSwipeBind);
- window.addEventListener('touchmove', this.touchSwipeBind);
- window.addEventListener('touchend', this.touchSwipeBind);
- },
- /**
- * @private
- */
- _removeWindowListeners: function PDFPresentationMode_removeWindowListeners() {
- window.removeEventListener('mousemove', this.showControlsBind);
- window.removeEventListener('mousedown', this.mouseDownBind);
- window.removeEventListener('wheel', this.mouseWheelBind);
- window.removeEventListener('keydown', this.resetMouseScrollStateBind);
- window.removeEventListener('contextmenu', this.contextMenuBind);
- window.removeEventListener('touchstart', this.touchSwipeBind);
- window.removeEventListener('touchmove', this.touchSwipeBind);
- window.removeEventListener('touchend', this.touchSwipeBind);
- delete this.showControlsBind;
- delete this.mouseDownBind;
- delete this.mouseWheelBind;
- delete this.resetMouseScrollStateBind;
- delete this.contextMenuBind;
- delete this.touchSwipeBind;
- },
- /**
- * @private
- */
- _fullscreenChange: function PDFPresentationMode_fullscreenChange() {
- if (this.isFullscreen) {
- this._enter();
- } else {
- this._exit();
- }
- },
- /**
- * @private
- */
- _addFullscreenChangeListeners: function PDFPresentationMode_addFullscreenChangeListeners() {
- this.fullscreenChangeBind = this._fullscreenChange.bind(this);
- window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
- window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
- },
- /**
- * @private
- */
- _removeFullscreenChangeListeners: function PDFPresentationMode_removeFullscreenChangeListeners() {
- window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
- window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
- delete this.fullscreenChangeBind;
- }
- };
- return PDFPresentationMode;
- }();
- exports.PDFPresentationMode = PDFPresentationMode;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFThumbnailView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue);
- }(this, function (exports, uiUtils, pdfRenderingQueue) {
- var mozL10n = uiUtils.mozL10n;
- var getOutputScale = uiUtils.getOutputScale;
- var RenderingStates = pdfRenderingQueue.RenderingStates;
- var THUMBNAIL_WIDTH = 98;
- // px
- var THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
- // px
- /**
- * @typedef {Object} PDFThumbnailViewOptions
- * @property {HTMLDivElement} container - The viewer element.
- * @property {number} id - The thumbnail's unique ID (normally its number).
- * @property {PageViewport} defaultViewport - The page viewport.
- * @property {IPDFLinkService} linkService - The navigation/linking service.
- * @property {PDFRenderingQueue} renderingQueue - The rendering queue object.
- * @property {boolean} disableCanvasToImageConversion - (optional) Don't convert
- * the canvas thumbnails to images. This prevents `toDataURL` calls,
- * but increases the overall memory usage. The default value is false.
- */
- /**
- * @class
- * @implements {IRenderableView}
- */
- var PDFThumbnailView = function PDFThumbnailViewClosure() {
- function getTempCanvas(width, height) {
- var tempCanvas = PDFThumbnailView.tempImageCache;
- if (!tempCanvas) {
- tempCanvas = document.createElement('canvas');
- PDFThumbnailView.tempImageCache = tempCanvas;
- }
- tempCanvas.width = width;
- tempCanvas.height = height;
- tempCanvas.mozOpaque = true;
- var ctx = tempCanvas.getContext('2d', { alpha: false });
- ctx.save();
- ctx.fillStyle = 'rgb(255, 255, 255)';
- ctx.fillRect(0, 0, width, height);
- ctx.restore();
- return tempCanvas;
- }
- /**
- * @constructs PDFThumbnailView
- * @param {PDFThumbnailViewOptions} options
- */
- function PDFThumbnailView(options) {
- var container = options.container;
- var id = options.id;
- var defaultViewport = options.defaultViewport;
- var linkService = options.linkService;
- var renderingQueue = options.renderingQueue;
- var disableCanvasToImageConversion = options.disableCanvasToImageConversion || false;
- this.id = id;
- this.renderingId = 'thumbnail' + id;
- this.pageLabel = null;
- this.pdfPage = null;
- this.rotation = 0;
- this.viewport = defaultViewport;
- this.pdfPageRotate = defaultViewport.rotation;
- this.linkService = linkService;
- this.renderingQueue = renderingQueue;
- this.renderTask = null;
- this.renderingState = RenderingStates.INITIAL;
- this.resume = null;
- this.disableCanvasToImageConversion = disableCanvasToImageConversion;
- this.pageWidth = this.viewport.width;
- this.pageHeight = this.viewport.height;
- this.pageRatio = this.pageWidth / this.pageHeight;
- this.canvasWidth = THUMBNAIL_WIDTH;
- this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
- this.scale = this.canvasWidth / this.pageWidth;
- var anchor = document.createElement('a');
- anchor.href = linkService.getAnchorUrl('#page=' + id);
- anchor.title = mozL10n.get('thumb_page_title', { page: id }, 'Page {{page}}');
- anchor.onclick = function stopNavigation() {
- linkService.page = id;
- return false;
- };
- this.anchor = anchor;
- var div = document.createElement('div');
- div.id = 'thumbnailContainer' + id;
- div.className = 'thumbnail';
- this.div = div;
- if (id === 1) {
- // Highlight the thumbnail of the first page when no page number is
- // specified (or exists in cache) when the document is loaded.
- div.classList.add('selected');
- }
- var ring = document.createElement('div');
- ring.className = 'thumbnailSelectionRing';
- var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
- ring.style.width = this.canvasWidth + borderAdjustment + 'px';
- ring.style.height = this.canvasHeight + borderAdjustment + 'px';
- this.ring = ring;
- div.appendChild(ring);
- anchor.appendChild(div);
- container.appendChild(anchor);
- }
- PDFThumbnailView.prototype = {
- setPdfPage: function PDFThumbnailView_setPdfPage(pdfPage) {
- this.pdfPage = pdfPage;
- this.pdfPageRotate = pdfPage.rotate;
- var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = pdfPage.getViewport(1, totalRotation);
- this.reset();
- },
- reset: function PDFThumbnailView_reset() {
- this.cancelRendering();
- this.pageWidth = this.viewport.width;
- this.pageHeight = this.viewport.height;
- this.pageRatio = this.pageWidth / this.pageHeight;
- this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
- this.scale = this.canvasWidth / this.pageWidth;
- this.div.removeAttribute('data-loaded');
- var ring = this.ring;
- var childNodes = ring.childNodes;
- for (var i = childNodes.length - 1; i >= 0; i--) {
- ring.removeChild(childNodes[i]);
- }
- var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
- ring.style.width = this.canvasWidth + borderAdjustment + 'px';
- ring.style.height = this.canvasHeight + borderAdjustment + 'px';
- if (this.canvas) {
- // Zeroing the width and height causes Firefox to release graphics
- // resources immediately, which can greatly reduce memory consumption.
- this.canvas.width = 0;
- this.canvas.height = 0;
- delete this.canvas;
- }
- if (this.image) {
- this.image.removeAttribute('src');
- delete this.image;
- }
- },
- update: function PDFThumbnailView_update(rotation) {
- if (typeof rotation !== 'undefined') {
- this.rotation = rotation;
- }
- var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = this.viewport.clone({
- scale: 1,
- rotation: totalRotation
- });
- this.reset();
- },
- cancelRendering: function PDFThumbnailView_cancelRendering() {
- if (this.renderTask) {
- this.renderTask.cancel();
- this.renderTask = null;
- }
- this.renderingState = RenderingStates.INITIAL;
- this.resume = null;
- },
- /**
- * @private
- */
- _getPageDrawContext: function PDFThumbnailView_getPageDrawContext(noCtxScale) {
- var canvas = document.createElement('canvas');
- // Keep the no-thumbnail outline visible, i.e. `data-loaded === false`,
- // until rendering/image conversion is complete, to avoid display issues.
- this.canvas = canvas;
- canvas.mozOpaque = true;
- var ctx = canvas.getContext('2d', { alpha: false });
- var outputScale = getOutputScale(ctx);
- canvas.width = this.canvasWidth * outputScale.sx | 0;
- canvas.height = this.canvasHeight * outputScale.sy | 0;
- canvas.style.width = this.canvasWidth + 'px';
- canvas.style.height = this.canvasHeight + 'px';
- if (!noCtxScale && outputScale.scaled) {
- ctx.scale(outputScale.sx, outputScale.sy);
- }
- return ctx;
- },
- /**
- * @private
- */
- _convertCanvasToImage: function PDFThumbnailView_convertCanvasToImage() {
- if (!this.canvas) {
- return;
- }
- if (this.renderingState !== RenderingStates.FINISHED) {
- return;
- }
- var id = this.renderingId;
- var className = 'thumbnailImage';
- var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
- if (this.disableCanvasToImageConversion) {
- this.canvas.id = id;
- this.canvas.className = className;
- this.canvas.setAttribute('aria-label', ariaLabel);
- this.div.setAttribute('data-loaded', true);
- this.ring.appendChild(this.canvas);
- return;
- }
- var image = document.createElement('img');
- image.id = id;
- image.className = className;
- image.setAttribute('aria-label', ariaLabel);
- image.style.width = this.canvasWidth + 'px';
- image.style.height = this.canvasHeight + 'px';
- image.src = this.canvas.toDataURL();
- this.image = image;
- this.div.setAttribute('data-loaded', true);
- this.ring.appendChild(image);
- // Zeroing the width and height causes Firefox to release graphics
- // resources immediately, which can greatly reduce memory consumption.
- this.canvas.width = 0;
- this.canvas.height = 0;
- delete this.canvas;
- },
- draw: function PDFThumbnailView_draw() {
- if (this.renderingState !== RenderingStates.INITIAL) {
- console.error('Must be in new state before drawing');
- return Promise.resolve(undefined);
- }
- this.renderingState = RenderingStates.RUNNING;
- var resolveRenderPromise, rejectRenderPromise;
- var promise = new Promise(function (resolve, reject) {
- resolveRenderPromise = resolve;
- rejectRenderPromise = reject;
- });
- var self = this;
- function thumbnailDrawCallback(error) {
- // The renderTask may have been replaced by a new one, so only remove
- // the reference to the renderTask if it matches the one that is
- // triggering this callback.
- if (renderTask === self.renderTask) {
- self.renderTask = null;
- }
- if (error === 'cancelled') {
- rejectRenderPromise(error);
- return;
- }
- self.renderingState = RenderingStates.FINISHED;
- self._convertCanvasToImage();
- if (!error) {
- resolveRenderPromise(undefined);
- } else {
- rejectRenderPromise(error);
- }
- }
- var ctx = this._getPageDrawContext();
- var drawViewport = this.viewport.clone({ scale: this.scale });
- var renderContinueCallback = function renderContinueCallback(cont) {
- if (!self.renderingQueue.isHighestPriority(self)) {
- self.renderingState = RenderingStates.PAUSED;
- self.resume = function resumeCallback() {
- self.renderingState = RenderingStates.RUNNING;
- cont();
- };
- return;
- }
- cont();
- };
- var renderContext = {
- canvasContext: ctx,
- viewport: drawViewport
- };
- var renderTask = this.renderTask = this.pdfPage.render(renderContext);
- renderTask.onContinue = renderContinueCallback;
- renderTask.promise.then(function pdfPageRenderCallback() {
- thumbnailDrawCallback(null);
- }, function pdfPageRenderError(error) {
- thumbnailDrawCallback(error);
- });
- return promise;
- },
- setImage: function PDFThumbnailView_setImage(pageView) {
- if (this.renderingState !== RenderingStates.INITIAL) {
- return;
- }
- var img = pageView.canvas;
- if (!img) {
- return;
- }
- if (!this.pdfPage) {
- this.setPdfPage(pageView.pdfPage);
- }
- this.renderingState = RenderingStates.FINISHED;
- var ctx = this._getPageDrawContext(true);
- var canvas = ctx.canvas;
- if (img.width <= 2 * canvas.width) {
- ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
- this._convertCanvasToImage();
- return;
- }
- // drawImage does an awful job of rescaling the image, doing it gradually.
- var MAX_NUM_SCALING_STEPS = 3;
- var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
- var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
- var reducedImage = getTempCanvas(reducedWidth, reducedHeight);
- var reducedImageCtx = reducedImage.getContext('2d');
- while (reducedWidth > img.width || reducedHeight > img.height) {
- reducedWidth >>= 1;
- reducedHeight >>= 1;
- }
- reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
- while (reducedWidth > 2 * canvas.width) {
- reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
- reducedWidth >>= 1;
- reducedHeight >>= 1;
- }
- ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
- this._convertCanvasToImage();
- },
- get pageId() {
- return this.pageLabel !== null ? this.pageLabel : this.id;
- },
- /**
- * @param {string|null} label
- */
- setPageLabel: function PDFThumbnailView_setPageLabel(label) {
- this.pageLabel = typeof label === 'string' ? label : null;
- this.anchor.title = mozL10n.get('thumb_page_title', { page: this.pageId }, 'Page {{page}}');
- if (this.renderingState !== RenderingStates.FINISHED) {
- return;
- }
- var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
- if (this.image) {
- this.image.setAttribute('aria-label', ariaLabel);
- } else if (this.disableCanvasToImageConversion && this.canvas) {
- this.canvas.setAttribute('aria-label', ariaLabel);
- }
- }
- };
- return PDFThumbnailView;
- }();
- PDFThumbnailView.tempImageCache = null;
- exports.PDFThumbnailView = PDFThumbnailView;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebSecondaryToolbar = {}, root.pdfjsWebUIUtils);
- }(this, function (exports, uiUtils) {
- var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
- var mozL10n = uiUtils.mozL10n;
- /**
- * @typedef {Object} SecondaryToolbarOptions
- * @property {HTMLDivElement} toolbar - Container for the secondary toolbar.
- * @property {HTMLButtonElement} toggleButton - Button to toggle the visibility
- * of the secondary toolbar.
- * @property {HTMLDivElement} toolbarButtonContainer - Container where all the
- * toolbar buttons are placed. The maximum height of the toolbar is controlled
- * dynamically by adjusting the 'max-height' CSS property of this DOM element.
- * @property {HTMLButtonElement} presentationModeButton - Button for entering
- * presentation mode.
- * @property {HTMLButtonElement} openFileButton - Button to open a file.
- * @property {HTMLButtonElement} printButton - Button to print the document.
- * @property {HTMLButtonElement} downloadButton - Button to download the
- * document.
- * @property {HTMLLinkElement} viewBookmarkButton - Button to obtain a bookmark
- * link to the current location in the document.
- * @property {HTMLButtonElement} firstPageButton - Button to go to the first
- * page in the document.
- * @property {HTMLButtonElement} lastPageButton - Button to go to the last page
- * in the document.
- * @property {HTMLButtonElement} pageRotateCwButton - Button to rotate the pages
- * clockwise.
- * @property {HTMLButtonElement} pageRotateCcwButton - Button to rotate the
- * pages counterclockwise.
- * @property {HTMLButtonElement} toggleHandToolButton - Button to toggle the
- * hand tool.
- * @property {HTMLButtonElement} documentPropertiesButton - Button for opening
- * the document properties dialog.
- */
- /**
- * @class
- */
- var SecondaryToolbar = function SecondaryToolbarClosure() {
- /**
- * @constructs SecondaryToolbar
- * @param {SecondaryToolbarOptions} options
- * @param {HTMLDivElement} mainContainer
- * @param {EventBus} eventBus
- */
- function SecondaryToolbar(options, mainContainer, eventBus) {
- this.toolbar = options.toolbar;
- this.toggleButton = options.toggleButton;
- this.toolbarButtonContainer = options.toolbarButtonContainer;
- this.buttons = [
- {
- element: options.presentationModeButton,
- eventName: 'presentationmode',
- close: true
- },
- {
- element: options.openFileButton,
- eventName: 'openfile',
- close: true
- },
- {
- element: options.printButton,
- eventName: 'print',
- close: true
- },
- {
- element: options.downloadButton,
- eventName: 'download',
- close: true
- },
- {
- element: options.viewBookmarkButton,
- eventName: null,
- close: true
- },
- {
- element: options.firstPageButton,
- eventName: 'firstpage',
- close: true
- },
- {
- element: options.lastPageButton,
- eventName: 'lastpage',
- close: true
- },
- {
- element: options.pageRotateCwButton,
- eventName: 'rotatecw',
- close: false
- },
- {
- element: options.pageRotateCcwButton,
- eventName: 'rotateccw',
- close: false
- },
- {
- element: options.toggleHandToolButton,
- eventName: 'togglehandtool',
- close: true
- },
- {
- element: options.documentPropertiesButton,
- eventName: 'documentproperties',
- close: true
- }
- ];
- this.mainContainer = mainContainer;
- this.eventBus = eventBus;
- this.opened = false;
- this.containerHeight = null;
- this.previousContainerHeight = null;
- // Bind the event listeners for click and hand tool actions.
- this._bindClickListeners();
- this._bindHandToolListener(options.toggleHandToolButton);
- // Bind the event listener for adjusting the 'max-height' of the toolbar.
- this.eventBus.on('resize', this._setMaxHeight.bind(this));
- }
- SecondaryToolbar.prototype = {
- /**
- * @return {boolean}
- */
- get isOpen() {
- return this.opened;
- },
- _bindClickListeners: function SecondaryToolbar_bindClickListeners() {
- // Button to toggle the visibility of the secondary toolbar.
- this.toggleButton.addEventListener('click', this.toggle.bind(this));
- // All items within the secondary toolbar.
- for (var button in this.buttons) {
- var element = this.buttons[button].element;
- var eventName = this.buttons[button].eventName;
- var close = this.buttons[button].close;
- element.addEventListener('click', function (eventName, close) {
- if (eventName !== null) {
- this.eventBus.dispatch(eventName, { source: this });
- }
- if (close) {
- this.close();
- }
- }.bind(this, eventName, close));
- }
- },
- _bindHandToolListener: function SecondaryToolbar_bindHandToolListener(toggleHandToolButton) {
- var isHandToolActive = false;
- this.eventBus.on('handtoolchanged', function (e) {
- if (isHandToolActive === e.isActive) {
- return;
- }
- isHandToolActive = e.isActive;
- if (isHandToolActive) {
- toggleHandToolButton.title = mozL10n.get('hand_tool_disable.title', null, 'Disable hand tool');
- toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_disable_label', null, 'Disable hand tool');
- } else {
- toggleHandToolButton.title = mozL10n.get('hand_tool_enable.title', null, 'Enable hand tool');
- toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_enable_label', null, 'Enable hand tool');
- }
- }.bind(this));
- },
- open: function SecondaryToolbar_open() {
- if (this.opened) {
- return;
- }
- this.opened = true;
- this._setMaxHeight();
- this.toggleButton.classList.add('toggled');
- this.toolbar.classList.remove('hidden');
- },
- close: function SecondaryToolbar_close() {
- if (!this.opened) {
- return;
- }
- this.opened = false;
- this.toolbar.classList.add('hidden');
- this.toggleButton.classList.remove('toggled');
- },
- toggle: function SecondaryToolbar_toggle() {
- if (this.opened) {
- this.close();
- } else {
- this.open();
- }
- },
- /**
- * @private
- */
- _setMaxHeight: function SecondaryToolbar_setMaxHeight() {
- if (!this.opened) {
- return;
- }
- // Only adjust the 'max-height' if the toolbar is visible.
- this.containerHeight = this.mainContainer.clientHeight;
- if (this.containerHeight === this.previousContainerHeight) {
- return;
- }
- this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - SCROLLBAR_PADDING) + 'px;');
- this.previousContainerHeight = this.containerHeight;
- }
- };
- return SecondaryToolbar;
- }();
- exports.SecondaryToolbar = SecondaryToolbar;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFFindBar = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFFindController);
- }(this, function (exports, uiUtils, pdfFindController) {
- var mozL10n = uiUtils.mozL10n;
- var FindStates = pdfFindController.FindStates;
- /**
- * Creates a "search bar" given a set of DOM elements that act as controls
- * for searching or for setting search preferences in the UI. This object
- * also sets up the appropriate events for the controls. Actual searching
- * is done by PDFFindController.
- */
- var PDFFindBar = function PDFFindBarClosure() {
- function PDFFindBar(options) {
- this.opened = false;
- this.bar = options.bar || null;
- this.toggleButton = options.toggleButton || null;
- this.findField = options.findField || null;
- this.highlightAll = options.highlightAllCheckbox || null;
- this.caseSensitive = options.caseSensitiveCheckbox || null;
- this.findMsg = options.findMsg || null;
- this.findResultsCount = options.findResultsCount || null;
- this.findStatusIcon = options.findStatusIcon || null;
- this.findPreviousButton = options.findPreviousButton || null;
- this.findNextButton = options.findNextButton || null;
- this.findController = options.findController || null;
- this.eventBus = options.eventBus;
- if (this.findController === null) {
- throw new Error('PDFFindBar cannot be used without a ' + 'PDFFindController instance.');
- }
- // Add event listeners to the DOM elements.
- var self = this;
- this.toggleButton.addEventListener('click', function () {
- self.toggle();
- });
- this.findField.addEventListener('input', function () {
- self.dispatchEvent('');
- });
- this.bar.addEventListener('keydown', function (evt) {
- switch (evt.keyCode) {
- case 13:
- // Enter
- if (evt.target === self.findField) {
- self.dispatchEvent('again', evt.shiftKey);
- }
- break;
- case 27:
- // Escape
- self.close();
- break;
- }
- });
- this.findPreviousButton.addEventListener('click', function () {
- self.dispatchEvent('again', true);
- });
- this.findNextButton.addEventListener('click', function () {
- self.dispatchEvent('again', false);
- });
- this.highlightAll.addEventListener('click', function () {
- self.dispatchEvent('highlightallchange');
- });
- this.caseSensitive.addEventListener('click', function () {
- self.dispatchEvent('casesensitivitychange');
- });
- }
- PDFFindBar.prototype = {
- reset: function PDFFindBar_reset() {
- this.updateUIState();
- },
- dispatchEvent: function PDFFindBar_dispatchEvent(type, findPrev) {
- this.eventBus.dispatch('find', {
- source: this,
- type: type,
- query: this.findField.value,
- caseSensitive: this.caseSensitive.checked,
- phraseSearch: true,
- highlightAll: this.highlightAll.checked,
- findPrevious: findPrev
- });
- },
- updateUIState: function PDFFindBar_updateUIState(state, previous, matchCount) {
- var notFound = false;
- var findMsg = '';
- var status = '';
- switch (state) {
- case FindStates.FIND_FOUND:
- break;
- case FindStates.FIND_PENDING:
- status = 'pending';
- break;
- case FindStates.FIND_NOTFOUND:
- findMsg = mozL10n.get('find_not_found', null, 'Phrase not found');
- notFound = true;
- break;
- case FindStates.FIND_WRAPPED:
- if (previous) {
- findMsg = mozL10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
- } else {
- findMsg = mozL10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
- }
- break;
- }
- if (notFound) {
- this.findField.classList.add('notFound');
- } else {
- this.findField.classList.remove('notFound');
- }
- this.findField.setAttribute('data-status', status);
- this.findMsg.textContent = findMsg;
- this.updateResultsCount(matchCount);
- },
- updateResultsCount: function (matchCount) {
- if (!this.findResultsCount) {
- return;
- }
- // no UI control is provided
- // If there are no matches, hide the counter
- if (!matchCount) {
- this.findResultsCount.classList.add('hidden');
- return;
- }
- // Create the match counter
- this.findResultsCount.textContent = matchCount.toLocaleString();
- // Show the counter
- this.findResultsCount.classList.remove('hidden');
- },
- open: function PDFFindBar_open() {
- if (!this.opened) {
- this.opened = true;
- this.toggleButton.classList.add('toggled');
- this.bar.classList.remove('hidden');
- }
- this.findField.select();
- this.findField.focus();
- },
- close: function PDFFindBar_close() {
- if (!this.opened) {
- return;
- }
- this.opened = false;
- this.toggleButton.classList.remove('toggled');
- this.bar.classList.add('hidden');
- this.findController.active = false;
- },
- toggle: function PDFFindBar_toggle() {
- if (this.opened) {
- this.close();
- } else {
- this.open();
- }
- }
- };
- return PDFFindBar;
- }();
- exports.PDFFindBar = PDFFindBar;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFHistory = {}, root.pdfjsWebDOMEvents);
- }(this, function (exports, domEvents) {
- function PDFHistory(options) {
- this.linkService = options.linkService;
- this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
- this.initialized = false;
- this.initialDestination = null;
- this.initialBookmark = null;
- }
- PDFHistory.prototype = {
- /**
- * @param {string} fingerprint
- */
- initialize: function pdfHistoryInitialize(fingerprint) {
- this.initialized = true;
- this.reInitialized = false;
- this.allowHashChange = true;
- this.historyUnlocked = true;
- this.isViewerInPresentationMode = false;
- this.previousHash = window.location.hash.substring(1);
- this.currentBookmark = '';
- this.currentPage = 0;
- this.updatePreviousBookmark = false;
- this.previousBookmark = '';
- this.previousPage = 0;
- this.nextHashParam = '';
- this.fingerprint = fingerprint;
- this.currentUid = this.uid = 0;
- this.current = {};
- var state = window.history.state;
- if (this._isStateObjectDefined(state)) {
- // This corresponds to navigating back to the document
- // from another page in the browser history.
- if (state.target.dest) {
- this.initialDestination = state.target.dest;
- } else {
- this.initialBookmark = state.target.hash;
- }
- this.currentUid = state.uid;
- this.uid = state.uid + 1;
- this.current = state.target;
- } else {
- // This corresponds to the loading of a new document.
- if (state && state.fingerprint && this.fingerprint !== state.fingerprint) {
- // Reinitialize the browsing history when a new document
- // is opened in the web viewer.
- this.reInitialized = true;
- }
- this._pushOrReplaceState({ fingerprint: this.fingerprint }, true);
- }
- var self = this;
- window.addEventListener('popstate', function pdfHistoryPopstate(evt) {
- if (!self.historyUnlocked) {
- return;
- }
- if (evt.state) {
- // Move back/forward in the history.
- self._goTo(evt.state);
- return;
- }
- // If the state is not set, then the user tried to navigate to a
- // different hash by manually editing the URL and pressing Enter, or by
- // clicking on an in-page link (e.g. the "current view" link).
- // Save the current view state to the browser history.
- // Note: In Firefox, history.null could also be null after an in-page
- // navigation to the same URL, and without dispatching the popstate
- // event: https://bugzilla.mozilla.org/show_bug.cgi?id=1183881
- if (self.uid === 0) {
- // Replace the previous state if it was not explicitly set.
- var previousParams = self.previousHash && self.currentBookmark && self.previousHash !== self.currentBookmark ? {
- hash: self.currentBookmark,
- page: self.currentPage
- } : { page: 1 };
- replacePreviousHistoryState(previousParams, function () {
- updateHistoryWithCurrentHash();
- });
- } else {
- updateHistoryWithCurrentHash();
- }
- }, false);
- function updateHistoryWithCurrentHash() {
- self.previousHash = window.location.hash.slice(1);
- self._pushToHistory({ hash: self.previousHash }, false, true);
- self._updatePreviousBookmark();
- }
- function replacePreviousHistoryState(params, callback) {
- // To modify the previous history entry, the following happens:
- // 1. history.back()
- // 2. _pushToHistory, which calls history.replaceState( ... )
- // 3. history.forward()
- // Because a navigation via the history API does not immediately update
- // the history state, the popstate event is used for synchronization.
- self.historyUnlocked = false;
- // Suppress the hashchange event to avoid side effects caused by
- // navigating back and forward.
- self.allowHashChange = false;
- window.addEventListener('popstate', rewriteHistoryAfterBack);
- history.back();
- function rewriteHistoryAfterBack() {
- window.removeEventListener('popstate', rewriteHistoryAfterBack);
- window.addEventListener('popstate', rewriteHistoryAfterForward);
- self._pushToHistory(params, false, true);
- history.forward();
- }
- function rewriteHistoryAfterForward() {
- window.removeEventListener('popstate', rewriteHistoryAfterForward);
- self.allowHashChange = true;
- self.historyUnlocked = true;
- callback();
- }
- }
- function pdfHistoryBeforeUnload() {
- var previousParams = self._getPreviousParams(null, true);
- if (previousParams) {
- var replacePrevious = !self.current.dest && self.current.hash !== self.previousHash;
- self._pushToHistory(previousParams, false, replacePrevious);
- self._updatePreviousBookmark();
- }
- // Remove the event listener when navigating away from the document,
- // since 'beforeunload' prevents Firefox from caching the document.
- window.removeEventListener('beforeunload', pdfHistoryBeforeUnload, false);
- }
- window.addEventListener('beforeunload', pdfHistoryBeforeUnload, false);
- window.addEventListener('pageshow', function pdfHistoryPageShow(evt) {
- // If the entire viewer (including the PDF file) is cached in
- // the browser, we need to reattach the 'beforeunload' event listener
- // since the 'DOMContentLoaded' event is not fired on 'pageshow'.
- window.addEventListener('beforeunload', pdfHistoryBeforeUnload, false);
- }, false);
- self.eventBus.on('presentationmodechanged', function (e) {
- self.isViewerInPresentationMode = e.active;
- });
- },
- clearHistoryState: function pdfHistory_clearHistoryState() {
- this._pushOrReplaceState(null, true);
- },
- _isStateObjectDefined: function pdfHistory_isStateObjectDefined(state) {
- return state && state.uid >= 0 && state.fingerprint && this.fingerprint === state.fingerprint && state.target && state.target.hash ? true : false;
- },
- _pushOrReplaceState: function pdfHistory_pushOrReplaceState(stateObj, replace) {
- if (replace) {
- window.history.replaceState(stateObj, '');
- } else {
- window.history.pushState(stateObj, '');
- }
- },
- get isHashChangeUnlocked() {
- if (!this.initialized) {
- return true;
- }
- return this.allowHashChange;
- },
- _updatePreviousBookmark: function pdfHistory_updatePreviousBookmark() {
- if (this.updatePreviousBookmark && this.currentBookmark && this.currentPage) {
- this.previousBookmark = this.currentBookmark;
- this.previousPage = this.currentPage;
- this.updatePreviousBookmark = false;
- }
- },
- updateCurrentBookmark: function pdfHistoryUpdateCurrentBookmark(bookmark, pageNum) {
- if (this.initialized) {
- this.currentBookmark = bookmark.substring(1);
- this.currentPage = pageNum | 0;
- this._updatePreviousBookmark();
- }
- },
- updateNextHashParam: function pdfHistoryUpdateNextHashParam(param) {
- if (this.initialized) {
- this.nextHashParam = param;
- }
- },
- push: function pdfHistoryPush(params, isInitialBookmark) {
- if (!(this.initialized && this.historyUnlocked)) {
- return;
- }
- if (params.dest && !params.hash) {
- params.hash = this.current.hash && this.current.dest && this.current.dest === params.dest ? this.current.hash : this.linkService.getDestinationHash(params.dest).split('#')[1];
- }
- if (params.page) {
- params.page |= 0;
- }
- if (isInitialBookmark) {
- var target = window.history.state.target;
- if (!target) {
- // Invoked when the user specifies an initial bookmark,
- // thus setting initialBookmark, when the document is loaded.
- this._pushToHistory(params, false);
- this.previousHash = window.location.hash.substring(1);
- }
- this.updatePreviousBookmark = this.nextHashParam ? false : true;
- if (target) {
- // If the current document is reloaded,
- // avoid creating duplicate entries in the history.
- this._updatePreviousBookmark();
- }
- return;
- }
- if (this.nextHashParam) {
- if (this.nextHashParam === params.hash) {
- this.nextHashParam = null;
- this.updatePreviousBookmark = true;
- return;
- } else {
- this.nextHashParam = null;
- }
- }
- if (params.hash) {
- if (this.current.hash) {
- if (this.current.hash !== params.hash) {
- this._pushToHistory(params, true);
- } else {
- if (!this.current.page && params.page) {
- this._pushToHistory(params, false, true);
- }
- this.updatePreviousBookmark = true;
- }
- } else {
- this._pushToHistory(params, true);
- }
- } else if (this.current.page && params.page && this.current.page !== params.page) {
- this._pushToHistory(params, true);
- }
- },
- _getPreviousParams: function pdfHistory_getPreviousParams(onlyCheckPage, beforeUnload) {
- if (!(this.currentBookmark && this.currentPage)) {
- return null;
- } else if (this.updatePreviousBookmark) {
- this.updatePreviousBookmark = false;
- }
- if (this.uid > 0 && !(this.previousBookmark && this.previousPage)) {
- // Prevent the history from getting stuck in the current state,
- // effectively preventing the user from going back/forward in
- // the history.
- //
- // This happens if the current position in the document didn't change
- // when the history was previously updated. The reasons for this are
- // either:
- // 1. The current zoom value is such that the document does not need to,
- // or cannot, be scrolled to display the destination.
- // 2. The previous destination is broken, and doesn't actally point to a
- // position within the document.
- // (This is either due to a bad PDF generator, or the user making a
- // mistake when entering a destination in the hash parameters.)
- return null;
- }
- if (!this.current.dest && !onlyCheckPage || beforeUnload) {
- if (this.previousBookmark === this.currentBookmark) {
- return null;
- }
- } else if (this.current.page || onlyCheckPage) {
- if (this.previousPage === this.currentPage) {
- return null;
- }
- } else {
- return null;
- }
- var params = {
- hash: this.currentBookmark,
- page: this.currentPage
- };
- if (this.isViewerInPresentationMode) {
- params.hash = null;
- }
- return params;
- },
- _stateObj: function pdfHistory_stateObj(params) {
- return {
- fingerprint: this.fingerprint,
- uid: this.uid,
- target: params
- };
- },
- _pushToHistory: function pdfHistory_pushToHistory(params, addPrevious, overwrite) {
- if (!this.initialized) {
- return;
- }
- if (!params.hash && params.page) {
- params.hash = 'page=' + params.page;
- }
- if (addPrevious && !overwrite) {
- var previousParams = this._getPreviousParams();
- if (previousParams) {
- var replacePrevious = !this.current.dest && this.current.hash !== this.previousHash;
- this._pushToHistory(previousParams, false, replacePrevious);
- }
- }
- this._pushOrReplaceState(this._stateObj(params), overwrite || this.uid === 0);
- this.currentUid = this.uid++;
- this.current = params;
- this.updatePreviousBookmark = true;
- },
- _goTo: function pdfHistory_goTo(state) {
- if (!(this.initialized && this.historyUnlocked && this._isStateObjectDefined(state))) {
- return;
- }
- if (!this.reInitialized && state.uid < this.currentUid) {
- var previousParams = this._getPreviousParams(true);
- if (previousParams) {
- this._pushToHistory(this.current, false);
- this._pushToHistory(previousParams, false);
- this.currentUid = state.uid;
- window.history.back();
- return;
- }
- }
- this.historyUnlocked = false;
- if (state.target.dest) {
- this.linkService.navigateTo(state.target.dest);
- } else {
- this.linkService.setHash(state.target.hash);
- }
- this.currentUid = state.uid;
- if (state.uid > this.uid) {
- this.uid = state.uid;
- }
- this.current = state.target;
- this.updatePreviousBookmark = true;
- var currentHash = window.location.hash.substring(1);
- if (this.previousHash !== currentHash) {
- this.allowHashChange = false;
- }
- this.previousHash = currentHash;
- this.historyUnlocked = true;
- },
- back: function pdfHistoryBack() {
- this.go(-1);
- },
- forward: function pdfHistoryForward() {
- this.go(1);
- },
- go: function pdfHistoryGo(direction) {
- if (this.initialized && this.historyUnlocked) {
- var state = window.history.state;
- if (direction === -1 && state && state.uid > 0) {
- window.history.back();
- } else if (direction === 1 && state && state.uid < this.uid - 1) {
- window.history.forward();
- }
- }
- }
- };
- exports.PDFHistory = PDFHistory;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFLinkService = {}, root.pdfjsWebUIUtils, root.pdfjsWebDOMEvents);
- }(this, function (exports, uiUtils, domEvents) {
- var parseQueryString = uiUtils.parseQueryString;
- var PageNumberRegExp = /^\d+$/;
- function isPageNumber(str) {
- return PageNumberRegExp.test(str);
- }
- /**
- * @typedef {Object} PDFLinkServiceOptions
- * @property {EventBus} eventBus - The application event bus.
- */
- /**
- * Performs navigation functions inside PDF, such as opening specified page,
- * or destination.
- * @class
- * @implements {IPDFLinkService}
- */
- var PDFLinkService = function PDFLinkServiceClosure() {
- /**
- * @constructs PDFLinkService
- * @param {PDFLinkServiceOptions} options
- */
- function PDFLinkService(options) {
- options = options || {};
- this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
- this.baseUrl = null;
- this.pdfDocument = null;
- this.pdfViewer = null;
- this.pdfHistory = null;
- this._pagesRefCache = null;
- }
- PDFLinkService.prototype = {
- setDocument: function PDFLinkService_setDocument(pdfDocument, baseUrl) {
- this.baseUrl = baseUrl;
- this.pdfDocument = pdfDocument;
- this._pagesRefCache = Object.create(null);
- },
- setViewer: function PDFLinkService_setViewer(pdfViewer) {
- this.pdfViewer = pdfViewer;
- },
- setHistory: function PDFLinkService_setHistory(pdfHistory) {
- this.pdfHistory = pdfHistory;
- },
- /**
- * @returns {number}
- */
- get pagesCount() {
- return this.pdfDocument ? this.pdfDocument.numPages : 0;
- },
- /**
- * @returns {number}
- */
- get page() {
- return this.pdfViewer.currentPageNumber;
- },
- /**
- * @param {number} value
- */
- set page(value) {
- this.pdfViewer.currentPageNumber = value;
- },
- /**
- * @param dest - The PDF destination object.
- */
- navigateTo: function PDFLinkService_navigateTo(dest) {
- var destString = '';
- var self = this;
- var goToDestination = function (destRef) {
- // dest array looks like that: <page-ref> </XYZ|/FitXXX> <args..>
- var pageNumber;
- if (destRef instanceof Object) {
- pageNumber = self._cachedPageNumber(destRef);
- } else if ((destRef | 0) === destRef) {
- // Integer
- pageNumber = destRef + 1;
- } else {
- console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid destination reference.');
- return;
- }
- if (pageNumber) {
- if (pageNumber < 1 || pageNumber > self.pagesCount) {
- console.error('PDFLinkService_navigateTo: "' + pageNumber + '" is a non-existent page number.');
- return;
- }
- self.pdfViewer.scrollPageIntoView({
- pageNumber: pageNumber,
- destArray: dest
- });
- if (self.pdfHistory) {
- // Update the browsing history.
- self.pdfHistory.push({
- dest: dest,
- hash: destString,
- page: pageNumber
- });
- }
- } else {
- self.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
- self.cachePageRef(pageIndex + 1, destRef);
- goToDestination(destRef);
- }).catch(function () {
- console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid page reference.');
- return;
- });
- }
- };
- var destinationPromise;
- if (typeof dest === 'string') {
- destString = dest;
- destinationPromise = this.pdfDocument.getDestination(dest);
- } else {
- destinationPromise = Promise.resolve(dest);
- }
- destinationPromise.then(function (destination) {
- dest = destination;
- if (!(destination instanceof Array)) {
- console.error('PDFLinkService_navigateTo: "' + destination + '" is not a valid destination array.');
- return;
- }
- goToDestination(destination[0]);
- });
- },
- /**
- * @param dest - The PDF destination object.
- * @returns {string} The hyperlink to the PDF object.
- */
- getDestinationHash: function PDFLinkService_getDestinationHash(dest) {
- if (typeof dest === 'string') {
- // In practice, a named destination may contain only a number.
- // If that happens, use the '#nameddest=' form to avoid the link
- // redirecting to a page, instead of the correct destination.
- return this.getAnchorUrl('#' + (isPageNumber(dest) ? 'nameddest=' : '') + escape(dest));
- }
- if (dest instanceof Array) {
- var str = JSON.stringify(dest);
- return this.getAnchorUrl('#' + escape(str));
- }
- return this.getAnchorUrl('');
- },
- /**
- * Prefix the full url on anchor links to make sure that links are resolved
- * relative to the current URL instead of the one defined in <base href>.
- * @param {String} anchor The anchor hash, including the #.
- * @returns {string} The hyperlink to the PDF object.
- */
- getAnchorUrl: function PDFLinkService_getAnchorUrl(anchor) {
- return (this.baseUrl || '') + anchor;
- },
- /**
- * @param {string} hash
- */
- setHash: function PDFLinkService_setHash(hash) {
- var pageNumber, dest;
- if (hash.indexOf('=') >= 0) {
- var params = parseQueryString(hash);
- if ('search' in params) {
- this.eventBus.dispatch('findfromurlhash', {
- source: this,
- query: params['search'].replace(/"/g, ''),
- phraseSearch: params['phrase'] === 'true'
- });
- }
- // borrowing syntax from "Parameters for Opening PDF Files"
- if ('nameddest' in params) {
- if (this.pdfHistory) {
- this.pdfHistory.updateNextHashParam(params.nameddest);
- }
- this.navigateTo(params.nameddest);
- return;
- }
- if ('page' in params) {
- pageNumber = params.page | 0 || 1;
- }
- if ('zoom' in params) {
- // Build the destination array.
- var zoomArgs = params.zoom.split(',');
- // scale,left,top
- var zoomArg = zoomArgs[0];
- var zoomArgNumber = parseFloat(zoomArg);
- if (zoomArg.indexOf('Fit') === -1) {
- // If the zoomArg is a number, it has to get divided by 100. If it's
- // a string, it should stay as it is.
- dest = [
- null,
- { name: 'XYZ' },
- zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
- zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,
- zoomArgNumber ? zoomArgNumber / 100 : zoomArg
- ];
- } else {
- if (zoomArg === 'Fit' || zoomArg === 'FitB') {
- dest = [
- null,
- { name: zoomArg }
- ];
- } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || (zoomArg === 'FitV' || zoomArg === 'FitBV')) {
- dest = [
- null,
- { name: zoomArg },
- zoomArgs.length > 1 ? zoomArgs[1] | 0 : null
- ];
- } else if (zoomArg === 'FitR') {
- if (zoomArgs.length !== 5) {
- console.error('PDFLinkService_setHash: ' + 'Not enough parameters for \'FitR\'.');
- } else {
- dest = [
- null,
- { name: zoomArg },
- zoomArgs[1] | 0,
- zoomArgs[2] | 0,
- zoomArgs[3] | 0,
- zoomArgs[4] | 0
- ];
- }
- } else {
- console.error('PDFLinkService_setHash: \'' + zoomArg + '\' is not a valid zoom value.');
- }
- }
- }
- if (dest) {
- this.pdfViewer.scrollPageIntoView({
- pageNumber: pageNumber || this.page,
- destArray: dest,
- allowNegativeOffset: true
- });
- } else if (pageNumber) {
- this.page = pageNumber;
- }
- // simple page
- if ('pagemode' in params) {
- this.eventBus.dispatch('pagemode', {
- source: this,
- mode: params.pagemode
- });
- }
- } else {
- dest = unescape(hash);
- try {
- dest = JSON.parse(dest);
- if (!(dest instanceof Array)) {
- // Avoid incorrectly rejecting a valid named destination, such as
- // e.g. "4.3" or "true", because `JSON.parse` converted its type.
- dest = dest.toString();
- }
- } catch (ex) {
- }
- if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
- if (this.pdfHistory) {
- this.pdfHistory.updateNextHashParam(dest);
- }
- this.navigateTo(dest);
- return;
- }
- console.error('PDFLinkService_setHash: \'' + unescape(hash) + '\' is not a valid destination.');
- }
- },
- /**
- * @param {string} action
- */
- executeNamedAction: function PDFLinkService_executeNamedAction(action) {
- // See PDF reference, table 8.45 - Named action
- switch (action) {
- case 'GoBack':
- if (this.pdfHistory) {
- this.pdfHistory.back();
- }
- break;
- case 'GoForward':
- if (this.pdfHistory) {
- this.pdfHistory.forward();
- }
- break;
- case 'NextPage':
- if (this.page < this.pagesCount) {
- this.page++;
- }
- break;
- case 'PrevPage':
- if (this.page > 1) {
- this.page--;
- }
- break;
- case 'LastPage':
- this.page = this.pagesCount;
- break;
- case 'FirstPage':
- this.page = 1;
- break;
- default:
- break;
- }
- // No action according to spec
- this.eventBus.dispatch('namedaction', {
- source: this,
- action: action
- });
- },
- /**
- * @param {number} pageNum - page number.
- * @param {Object} pageRef - reference to the page.
- */
- cachePageRef: function PDFLinkService_cachePageRef(pageNum, pageRef) {
- var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
- this._pagesRefCache[refStr] = pageNum;
- },
- _cachedPageNumber: function PDFLinkService_cachedPageNumber(pageRef) {
- var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
- return this._pagesRefCache && this._pagesRefCache[refStr] || null;
- }
- };
- function isValidExplicitDestination(dest) {
- if (!(dest instanceof Array)) {
- return false;
- }
- var destLength = dest.length, allowNull = true;
- if (destLength < 2) {
- return false;
- }
- var page = dest[0];
- if (!(typeof page === 'object' && typeof page.num === 'number' && (page.num | 0) === page.num && typeof page.gen === 'number' && (page.gen | 0) === page.gen) && !(typeof page === 'number' && (page | 0) === page && page >= 0)) {
- return false;
- }
- var zoom = dest[1];
- if (!(typeof zoom === 'object' && typeof zoom.name === 'string')) {
- return false;
- }
- switch (zoom.name) {
- case 'XYZ':
- if (destLength !== 5) {
- return false;
- }
- break;
- case 'Fit':
- case 'FitB':
- return destLength === 2;
- case 'FitH':
- case 'FitBH':
- case 'FitV':
- case 'FitBV':
- if (destLength !== 3) {
- return false;
- }
- break;
- case 'FitR':
- if (destLength !== 6) {
- return false;
- }
- allowNull = false;
- break;
- default:
- return false;
- }
- for (var i = 2; i < destLength; i++) {
- var param = dest[i];
- if (!(typeof param === 'number' || allowNull && param === null)) {
- return false;
- }
- }
- return true;
- }
- return PDFLinkService;
- }();
- var SimpleLinkService = function SimpleLinkServiceClosure() {
- function SimpleLinkService() {
- }
- SimpleLinkService.prototype = {
- /**
- * @returns {number}
- */
- get page() {
- return 0;
- },
- /**
- * @param {number} value
- */
- set page(value) {
- },
- /**
- * @param dest - The PDF destination object.
- */
- navigateTo: function (dest) {
- },
- /**
- * @param dest - The PDF destination object.
- * @returns {string} The hyperlink to the PDF object.
- */
- getDestinationHash: function (dest) {
- return '#';
- },
- /**
- * @param hash - The PDF parameters/hash.
- * @returns {string} The hyperlink to the PDF object.
- */
- getAnchorUrl: function (hash) {
- return '#';
- },
- /**
- * @param {string} hash
- */
- setHash: function (hash) {
- },
- /**
- * @param {string} action
- */
- executeNamedAction: function (action) {
- },
- /**
- * @param {number} pageNum - page number.
- * @param {Object} pageRef - reference to the page.
- */
- cachePageRef: function (pageNum, pageRef) {
- }
- };
- return SimpleLinkService;
- }();
- exports.PDFLinkService = PDFLinkService;
- exports.SimpleLinkService = SimpleLinkService;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFPageView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
- }(this, function (exports, uiUtils, pdfRenderingQueue, domEvents, pdfjsLib) {
- var CSS_UNITS = uiUtils.CSS_UNITS;
- var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
- var getOutputScale = uiUtils.getOutputScale;
- var approximateFraction = uiUtils.approximateFraction;
- var roundToDivide = uiUtils.roundToDivide;
- var RenderingStates = pdfRenderingQueue.RenderingStates;
- var TEXT_LAYER_RENDER_DELAY = 200;
- // ms
- /**
- * @typedef {Object} PDFPageViewOptions
- * @property {HTMLDivElement} container - The viewer element.
- * @property {EventBus} eventBus - The application event bus.
- * @property {number} id - The page unique ID (normally its number).
- * @property {number} scale - The page scale display.
- * @property {PageViewport} defaultViewport - The page viewport.
- * @property {PDFRenderingQueue} renderingQueue - The rendering queue object.
- * @property {IPDFTextLayerFactory} textLayerFactory
- * @property {IPDFAnnotationLayerFactory} annotationLayerFactory
- * @property {boolean} enhanceTextSelection - Turns on the text selection
- * enhancement. The default is `false`.
- * @property {boolean} renderInteractiveForms - Turns on rendering of
- * interactive form elements. The default is `false`.
- */
- /**
- * @class
- * @implements {IRenderableView}
- */
- var PDFPageView = function PDFPageViewClosure() {
- /**
- * @constructs PDFPageView
- * @param {PDFPageViewOptions} options
- */
- function PDFPageView(options) {
- var container = options.container;
- var id = options.id;
- var scale = options.scale;
- var defaultViewport = options.defaultViewport;
- var renderingQueue = options.renderingQueue;
- var textLayerFactory = options.textLayerFactory;
- var annotationLayerFactory = options.annotationLayerFactory;
- var enhanceTextSelection = options.enhanceTextSelection || false;
- var renderInteractiveForms = options.renderInteractiveForms || false;
- this.id = id;
- this.renderingId = 'page' + id;
- this.pageLabel = null;
- this.rotation = 0;
- this.scale = scale || DEFAULT_SCALE;
- this.viewport = defaultViewport;
- this.pdfPageRotate = defaultViewport.rotation;
- this.hasRestrictedScaling = false;
- this.enhanceTextSelection = enhanceTextSelection;
- this.renderInteractiveForms = renderInteractiveForms;
- this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
- this.renderingQueue = renderingQueue;
- this.textLayerFactory = textLayerFactory;
- this.annotationLayerFactory = annotationLayerFactory;
- this.renderTask = null;
- this.renderingState = RenderingStates.INITIAL;
- this.resume = null;
- this.onBeforeDraw = null;
- this.onAfterDraw = null;
- this.textLayer = null;
- this.zoomLayer = null;
- this.annotationLayer = null;
- var div = document.createElement('div');
- div.id = 'pageContainer' + this.id;
- div.className = 'page';
- div.style.width = Math.floor(this.viewport.width) + 'px';
- div.style.height = Math.floor(this.viewport.height) + 'px';
- div.setAttribute('data-page-number', this.id);
- this.div = div;
- container.appendChild(div);
- }
- PDFPageView.prototype = {
- setPdfPage: function PDFPageView_setPdfPage(pdfPage) {
- this.pdfPage = pdfPage;
- this.pdfPageRotate = pdfPage.rotate;
- var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = pdfPage.getViewport(this.scale * CSS_UNITS, totalRotation);
- this.stats = pdfPage.stats;
- this.reset();
- },
- destroy: function PDFPageView_destroy() {
- this.zoomLayer = null;
- this.reset();
- if (this.pdfPage) {
- this.pdfPage.cleanup();
- }
- },
- reset: function PDFPageView_reset(keepZoomLayer, keepAnnotations) {
- this.cancelRendering();
- var div = this.div;
- div.style.width = Math.floor(this.viewport.width) + 'px';
- div.style.height = Math.floor(this.viewport.height) + 'px';
- var childNodes = div.childNodes;
- var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
- var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
- for (var i = childNodes.length - 1; i >= 0; i--) {
- var node = childNodes[i];
- if (currentZoomLayerNode === node || currentAnnotationNode === node) {
- continue;
- }
- div.removeChild(node);
- }
- div.removeAttribute('data-loaded');
- if (currentAnnotationNode) {
- // Hide annotationLayer until all elements are resized
- // so they are not displayed on the already-resized page
- this.annotationLayer.hide();
- } else {
- this.annotationLayer = null;
- }
- if (this.canvas && !currentZoomLayerNode) {
- // Zeroing the width and height causes Firefox to release graphics
- // resources immediately, which can greatly reduce memory consumption.
- this.canvas.width = 0;
- this.canvas.height = 0;
- delete this.canvas;
- }
- this.loadingIconDiv = document.createElement('div');
- this.loadingIconDiv.className = 'loadingIcon';
- div.appendChild(this.loadingIconDiv);
- },
- update: function PDFPageView_update(scale, rotation) {
- this.scale = scale || this.scale;
- if (typeof rotation !== 'undefined') {
- this.rotation = rotation;
- }
- var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = this.viewport.clone({
- scale: this.scale * CSS_UNITS,
- rotation: totalRotation
- });
- var isScalingRestricted = false;
- if (this.canvas && pdfjsLib.PDFJS.maxCanvasPixels > 0) {
- var outputScale = this.outputScale;
- if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > pdfjsLib.PDFJS.maxCanvasPixels) {
- isScalingRestricted = true;
- }
- }
- if (this.canvas) {
- if (pdfjsLib.PDFJS.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
- this.cssTransform(this.canvas, true);
- this.eventBus.dispatch('pagerendered', {
- source: this,
- pageNumber: this.id,
- cssTransform: true
- });
- return;
- }
- if (!this.zoomLayer) {
- this.zoomLayer = this.canvas.parentNode;
- this.zoomLayer.style.position = 'absolute';
- }
- }
- if (this.zoomLayer) {
- this.cssTransform(this.zoomLayer.firstChild);
- }
- this.reset(/* keepZoomLayer = */
- true, /* keepAnnotations = */
- true);
- },
- cancelRendering: function PDFPageView_cancelRendering() {
- if (this.renderTask) {
- this.renderTask.cancel();
- this.renderTask = null;
- }
- this.renderingState = RenderingStates.INITIAL;
- this.resume = null;
- if (this.textLayer) {
- this.textLayer.cancel();
- this.textLayer = null;
- }
- },
- /**
- * Called when moved in the parent's container.
- */
- updatePosition: function PDFPageView_updatePosition() {
- if (this.textLayer) {
- this.textLayer.render(TEXT_LAYER_RENDER_DELAY);
- }
- },
- cssTransform: function PDFPageView_transform(canvas, redrawAnnotations) {
- var CustomStyle = pdfjsLib.CustomStyle;
- // Scale canvas, canvas wrapper, and page container.
- var width = this.viewport.width;
- var height = this.viewport.height;
- var div = this.div;
- canvas.style.width = canvas.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
- canvas.style.height = canvas.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
- // The canvas may have been originally rotated, rotate relative to that.
- var relativeRotation = this.viewport.rotation - canvas._viewport.rotation;
- var absRotation = Math.abs(relativeRotation);
- var scaleX = 1, scaleY = 1;
- if (absRotation === 90 || absRotation === 270) {
- // Scale x and y because of the rotation.
- scaleX = height / width;
- scaleY = width / height;
- }
- var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
- CustomStyle.setProp('transform', canvas, cssTransform);
- if (this.textLayer) {
- // Rotating the text layer is more complicated since the divs inside the
- // the text layer are rotated.
- // TODO: This could probably be simplified by drawing the text layer in
- // one orientation then rotating overall.
- var textLayerViewport = this.textLayer.viewport;
- var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
- var textAbsRotation = Math.abs(textRelativeRotation);
- var scale = width / textLayerViewport.width;
- if (textAbsRotation === 90 || textAbsRotation === 270) {
- scale = width / textLayerViewport.height;
- }
- var textLayerDiv = this.textLayer.textLayerDiv;
- var transX, transY;
- switch (textAbsRotation) {
- case 0:
- transX = transY = 0;
- break;
- case 90:
- transX = 0;
- transY = '-' + textLayerDiv.style.height;
- break;
- case 180:
- transX = '-' + textLayerDiv.style.width;
- transY = '-' + textLayerDiv.style.height;
- break;
- case 270:
- transX = '-' + textLayerDiv.style.width;
- transY = 0;
- break;
- default:
- console.error('Bad rotation value.');
- break;
- }
- CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')');
- CustomStyle.setProp('transformOrigin', textLayerDiv, '0% 0%');
- }
- if (redrawAnnotations && this.annotationLayer) {
- this.annotationLayer.render(this.viewport, 'display');
- }
- },
- get width() {
- return this.viewport.width;
- },
- get height() {
- return this.viewport.height;
- },
- getPagePoint: function PDFPageView_getPagePoint(x, y) {
- return this.viewport.convertToPdfPoint(x, y);
- },
- draw: function PDFPageView_draw() {
- if (this.renderingState !== RenderingStates.INITIAL) {
- console.error('Must be in new state before drawing');
- this.reset();
- }
- // Ensure that we reset all state to prevent issues.
- this.renderingState = RenderingStates.RUNNING;
- var pdfPage = this.pdfPage;
- var viewport = this.viewport;
- var div = this.div;
- // Wrap the canvas so if it has a css transform for highdpi the overflow
- // will be hidden in FF.
- var canvasWrapper = document.createElement('div');
- canvasWrapper.style.width = div.style.width;
- canvasWrapper.style.height = div.style.height;
- canvasWrapper.classList.add('canvasWrapper');
- var canvas = document.createElement('canvas');
- canvas.id = 'page' + this.id;
- // Keep the canvas hidden until the first draw callback, or until drawing
- // is complete when `!this.renderingQueue`, to prevent black flickering.
- canvas.setAttribute('hidden', 'hidden');
- var isCanvasHidden = true;
- canvasWrapper.appendChild(canvas);
- if (this.annotationLayer && this.annotationLayer.div) {
- // annotationLayer needs to stay on top
- div.insertBefore(canvasWrapper, this.annotationLayer.div);
- } else {
- div.appendChild(canvasWrapper);
- }
- this.canvas = canvas;
- canvas.mozOpaque = true;
- var ctx = canvas.getContext('2d', { alpha: false });
- var outputScale = getOutputScale(ctx);
- this.outputScale = outputScale;
- if (pdfjsLib.PDFJS.useOnlyCssZoom) {
- var actualSizeViewport = viewport.clone({ scale: CSS_UNITS });
- // Use a scale that will make the canvas be the original intended size
- // of the page.
- outputScale.sx *= actualSizeViewport.width / viewport.width;
- outputScale.sy *= actualSizeViewport.height / viewport.height;
- outputScale.scaled = true;
- }
- if (pdfjsLib.PDFJS.maxCanvasPixels > 0) {
- var pixelsInViewport = viewport.width * viewport.height;
- var maxScale = Math.sqrt(pdfjsLib.PDFJS.maxCanvasPixels / pixelsInViewport);
- if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
- outputScale.sx = maxScale;
- outputScale.sy = maxScale;
- outputScale.scaled = true;
- this.hasRestrictedScaling = true;
- } else {
- this.hasRestrictedScaling = false;
- }
- }
- var sfx = approximateFraction(outputScale.sx);
- var sfy = approximateFraction(outputScale.sy);
- canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]);
- canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]);
- canvas.style.width = roundToDivide(viewport.width, sfx[1]) + 'px';
- canvas.style.height = roundToDivide(viewport.height, sfy[1]) + 'px';
- // Add the viewport so it's known what it was originally drawn with.
- canvas._viewport = viewport;
- var textLayerDiv = null;
- var textLayer = null;
- if (this.textLayerFactory) {
- textLayerDiv = document.createElement('div');
- textLayerDiv.className = 'textLayer';
- textLayerDiv.style.width = canvasWrapper.style.width;
- textLayerDiv.style.height = canvasWrapper.style.height;
- if (this.annotationLayer && this.annotationLayer.div) {
- // annotationLayer needs to stay on top
- div.insertBefore(textLayerDiv, this.annotationLayer.div);
- } else {
- div.appendChild(textLayerDiv);
- }
- textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.enhanceTextSelection);
- }
- this.textLayer = textLayer;
- var resolveRenderPromise, rejectRenderPromise;
- var promise = new Promise(function (resolve, reject) {
- resolveRenderPromise = resolve;
- rejectRenderPromise = reject;
- });
- // Rendering area
- var self = this;
- function pageViewDrawCallback(error) {
- // The renderTask may have been replaced by a new one, so only remove
- // the reference to the renderTask if it matches the one that is
- // triggering this callback.
- if (renderTask === self.renderTask) {
- self.renderTask = null;
- }
- if (error === 'cancelled') {
- rejectRenderPromise(error);
- return;
- }
- self.renderingState = RenderingStates.FINISHED;
- if (isCanvasHidden) {
- self.canvas.removeAttribute('hidden');
- isCanvasHidden = false;
- }
- if (self.loadingIconDiv) {
- div.removeChild(self.loadingIconDiv);
- delete self.loadingIconDiv;
- }
- if (self.zoomLayer) {
- // Zeroing the width and height causes Firefox to release graphics
- // resources immediately, which can greatly reduce memory consumption.
- var zoomLayerCanvas = self.zoomLayer.firstChild;
- zoomLayerCanvas.width = 0;
- zoomLayerCanvas.height = 0;
- if (div.contains(self.zoomLayer)) {
- // Prevent "Node was not found" errors if the `zoomLayer` was
- // already removed. This may occur intermittently if the scale
- // changes many times in very quick succession.
- div.removeChild(self.zoomLayer);
- }
- self.zoomLayer = null;
- }
- self.error = error;
- self.stats = pdfPage.stats;
- if (self.onAfterDraw) {
- self.onAfterDraw();
- }
- self.eventBus.dispatch('pagerendered', {
- source: self,
- pageNumber: self.id,
- cssTransform: false
- });
- if (!error) {
- resolveRenderPromise(undefined);
- } else {
- rejectRenderPromise(error);
- }
- }
- var renderContinueCallback = null;
- if (this.renderingQueue) {
- renderContinueCallback = function renderContinueCallback(cont) {
- if (!self.renderingQueue.isHighestPriority(self)) {
- self.renderingState = RenderingStates.PAUSED;
- self.resume = function resumeCallback() {
- self.renderingState = RenderingStates.RUNNING;
- cont();
- };
- return;
- }
- if (isCanvasHidden) {
- self.canvas.removeAttribute('hidden');
- isCanvasHidden = false;
- }
- cont();
- };
- }
- var transform = !outputScale.scaled ? null : [
- outputScale.sx,
- 0,
- 0,
- outputScale.sy,
- 0,
- 0
- ];
- var renderContext = {
- canvasContext: ctx,
- transform: transform,
- viewport: this.viewport,
- renderInteractiveForms: this.renderInteractiveForms
- };
- // intent: 'default', // === 'display'
- var renderTask = this.renderTask = this.pdfPage.render(renderContext);
- renderTask.onContinue = renderContinueCallback;
- this.renderTask.promise.then(function pdfPageRenderCallback() {
- pageViewDrawCallback(null);
- if (textLayer) {
- self.pdfPage.getTextContent({ normalizeWhitespace: true }).then(function textContentResolved(textContent) {
- textLayer.setTextContent(textContent);
- textLayer.render(TEXT_LAYER_RENDER_DELAY);
- });
- }
- }, function pdfPageRenderError(error) {
- pageViewDrawCallback(error);
- });
- if (this.annotationLayerFactory) {
- if (!this.annotationLayer) {
- this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, this.pdfPage, this.renderInteractiveForms);
- }
- this.annotationLayer.render(this.viewport, 'display');
- }
- div.setAttribute('data-loaded', true);
- if (self.onBeforeDraw) {
- self.onBeforeDraw();
- }
- return promise;
- },
- /**
- * @param {string|null} label
- */
- setPageLabel: function PDFView_setPageLabel(label) {
- this.pageLabel = typeof label === 'string' ? label : null;
- if (this.pageLabel !== null) {
- this.div.setAttribute('data-page-label', this.pageLabel);
- } else {
- this.div.removeAttribute('data-page-label');
- }
- }
- };
- return PDFPageView;
- }();
- exports.PDFPageView = PDFPageView;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFThumbnailViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFThumbnailView);
- }(this, function (exports, uiUtils, pdfThumbnailView) {
- var watchScroll = uiUtils.watchScroll;
- var getVisibleElements = uiUtils.getVisibleElements;
- var scrollIntoView = uiUtils.scrollIntoView;
- var PDFThumbnailView = pdfThumbnailView.PDFThumbnailView;
- var THUMBNAIL_SCROLL_MARGIN = -19;
- /**
- * @typedef {Object} PDFThumbnailViewerOptions
- * @property {HTMLDivElement} container - The container for the thumbnail
- * elements.
- * @property {IPDFLinkService} linkService - The navigation/linking service.
- * @property {PDFRenderingQueue} renderingQueue - The rendering queue object.
- */
- /**
- * Simple viewer control to display thumbnails for pages.
- * @class
- * @implements {IRenderableView}
- */
- var PDFThumbnailViewer = function PDFThumbnailViewerClosure() {
- /**
- * @constructs PDFThumbnailViewer
- * @param {PDFThumbnailViewerOptions} options
- */
- function PDFThumbnailViewer(options) {
- this.container = options.container;
- this.renderingQueue = options.renderingQueue;
- this.linkService = options.linkService;
- this.scroll = watchScroll(this.container, this._scrollUpdated.bind(this));
- this._resetView();
- }
- PDFThumbnailViewer.prototype = {
- /**
- * @private
- */
- _scrollUpdated: function PDFThumbnailViewer_scrollUpdated() {
- this.renderingQueue.renderHighestPriority();
- },
- getThumbnail: function PDFThumbnailViewer_getThumbnail(index) {
- return this.thumbnails[index];
- },
- /**
- * @private
- */
- _getVisibleThumbs: function PDFThumbnailViewer_getVisibleThumbs() {
- return getVisibleElements(this.container, this.thumbnails);
- },
- scrollThumbnailIntoView: function PDFThumbnailViewer_scrollThumbnailIntoView(page) {
- var selected = document.querySelector('.thumbnail.selected');
- if (selected) {
- selected.classList.remove('selected');
- }
- var thumbnail = document.getElementById('thumbnailContainer' + page);
- if (thumbnail) {
- thumbnail.classList.add('selected');
- }
- var visibleThumbs = this._getVisibleThumbs();
- var numVisibleThumbs = visibleThumbs.views.length;
- // If the thumbnail isn't currently visible, scroll it into view.
- if (numVisibleThumbs > 0) {
- var first = visibleThumbs.first.id;
- // Account for only one thumbnail being visible.
- var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
- if (page <= first || page >= last) {
- scrollIntoView(thumbnail, { top: THUMBNAIL_SCROLL_MARGIN });
- }
- }
- },
- get pagesRotation() {
- return this._pagesRotation;
- },
- set pagesRotation(rotation) {
- this._pagesRotation = rotation;
- for (var i = 0, l = this.thumbnails.length; i < l; i++) {
- var thumb = this.thumbnails[i];
- thumb.update(rotation);
- }
- },
- cleanup: function PDFThumbnailViewer_cleanup() {
- var tempCanvas = PDFThumbnailView.tempImageCache;
- if (tempCanvas) {
- // Zeroing the width and height causes Firefox to release graphics
- // resources immediately, which can greatly reduce memory consumption.
- tempCanvas.width = 0;
- tempCanvas.height = 0;
- }
- PDFThumbnailView.tempImageCache = null;
- },
- /**
- * @private
- */
- _resetView: function PDFThumbnailViewer_resetView() {
- this.thumbnails = [];
- this._pageLabels = null;
- this._pagesRotation = 0;
- this._pagesRequests = [];
- // Remove the thumbnails from the DOM.
- this.container.textContent = '';
- },
- setDocument: function PDFThumbnailViewer_setDocument(pdfDocument) {
- if (this.pdfDocument) {
- this._cancelRendering();
- this._resetView();
- }
- this.pdfDocument = pdfDocument;
- if (!pdfDocument) {
- return Promise.resolve();
- }
- return pdfDocument.getPage(1).then(function (firstPage) {
- var pagesCount = pdfDocument.numPages;
- var viewport = firstPage.getViewport(1.0);
- for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
- var thumbnail = new PDFThumbnailView({
- container: this.container,
- id: pageNum,
- defaultViewport: viewport.clone(),
- linkService: this.linkService,
- renderingQueue: this.renderingQueue,
- disableCanvasToImageConversion: false
- });
- this.thumbnails.push(thumbnail);
- }
- }.bind(this));
- },
- /**
- * @private
- */
- _cancelRendering: function PDFThumbnailViewer_cancelRendering() {
- for (var i = 0, ii = this.thumbnails.length; i < ii; i++) {
- if (this.thumbnails[i]) {
- this.thumbnails[i].cancelRendering();
- }
- }
- },
- /**
- * @param {Array|null} labels
- */
- setPageLabels: function PDFThumbnailViewer_setPageLabels(labels) {
- if (!this.pdfDocument) {
- return;
- }
- if (!labels) {
- this._pageLabels = null;
- } else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
- this._pageLabels = null;
- console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
- } else {
- this._pageLabels = labels;
- }
- // Update all the `PDFThumbnailView` instances.
- for (var i = 0, ii = this.thumbnails.length; i < ii; i++) {
- var thumbnailView = this.thumbnails[i];
- var label = this._pageLabels && this._pageLabels[i];
- thumbnailView.setPageLabel(label);
- }
- },
- /**
- * @param {PDFThumbnailView} thumbView
- * @returns {PDFPage}
- * @private
- */
- _ensurePdfPageLoaded: function PDFThumbnailViewer_ensurePdfPageLoaded(thumbView) {
- if (thumbView.pdfPage) {
- return Promise.resolve(thumbView.pdfPage);
- }
- var pageNumber = thumbView.id;
- if (this._pagesRequests[pageNumber]) {
- return this._pagesRequests[pageNumber];
- }
- var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
- thumbView.setPdfPage(pdfPage);
- this._pagesRequests[pageNumber] = null;
- return pdfPage;
- }.bind(this));
- this._pagesRequests[pageNumber] = promise;
- return promise;
- },
- forceRendering: function () {
- var visibleThumbs = this._getVisibleThumbs();
- var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this.thumbnails, this.scroll.down);
- if (thumbView) {
- this._ensurePdfPageLoaded(thumbView).then(function () {
- this.renderingQueue.renderView(thumbView);
- }.bind(this));
- return true;
- }
- return false;
- }
- };
- return PDFThumbnailViewer;
- }();
- exports.PDFThumbnailViewer = PDFThumbnailViewer;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebTextLayerBuilder = {}, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
- }(this, function (exports, domEvents, pdfjsLib) {
- var EXPAND_DIVS_TIMEOUT = 300;
- // ms
- /**
- * @typedef {Object} TextLayerBuilderOptions
- * @property {HTMLDivElement} textLayerDiv - The text layer container.
- * @property {EventBus} eventBus - The application event bus.
- * @property {number} pageIndex - The page index.
- * @property {PageViewport} viewport - The viewport of the text layer.
- * @property {PDFFindController} findController
- * @property {boolean} enhanceTextSelection - Option to turn on improved
- * text selection.
- */
- /**
- * TextLayerBuilder provides text-selection functionality for the PDF.
- * It does this by creating overlay divs over the PDF text. These divs
- * contain text that matches the PDF text they are overlaying. This object
- * also provides a way to highlight text that is being searched for.
- * @class
- */
- var TextLayerBuilder = function TextLayerBuilderClosure() {
- function TextLayerBuilder(options) {
- this.textLayerDiv = options.textLayerDiv;
- this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
- this.textContent = null;
- this.renderingDone = false;
- this.pageIdx = options.pageIndex;
- this.pageNumber = this.pageIdx + 1;
- this.matches = [];
- this.viewport = options.viewport;
- this.textDivs = [];
- this.findController = options.findController || null;
- this.textLayerRenderTask = null;
- this.enhanceTextSelection = options.enhanceTextSelection;
- this._bindMouse();
- }
- TextLayerBuilder.prototype = {
- /**
- * @private
- */
- _finishRendering: function TextLayerBuilder_finishRendering() {
- this.renderingDone = true;
- if (!this.enhanceTextSelection) {
- var endOfContent = document.createElement('div');
- endOfContent.className = 'endOfContent';
- this.textLayerDiv.appendChild(endOfContent);
- }
- this.eventBus.dispatch('textlayerrendered', {
- source: this,
- pageNumber: this.pageNumber,
- numTextDivs: this.textDivs.length
- });
- },
- /**
- * Renders the text layer.
- * @param {number} timeout (optional) if specified, the rendering waits
- * for specified amount of ms.
- */
- render: function TextLayerBuilder_render(timeout) {
- if (!this.textContent || this.renderingDone) {
- return;
- }
- this.cancel();
- this.textDivs = [];
- var textLayerFrag = document.createDocumentFragment();
- this.textLayerRenderTask = pdfjsLib.renderTextLayer({
- textContent: this.textContent,
- container: textLayerFrag,
- viewport: this.viewport,
- textDivs: this.textDivs,
- timeout: timeout,
- enhanceTextSelection: this.enhanceTextSelection
- });
- this.textLayerRenderTask.promise.then(function () {
- this.textLayerDiv.appendChild(textLayerFrag);
- this._finishRendering();
- this.updateMatches();
- }.bind(this), function (reason) {
- });
- },
- /**
- * Cancels rendering of the text layer.
- */
- cancel: function TextLayerBuilder_cancel() {
- if (this.textLayerRenderTask) {
- this.textLayerRenderTask.cancel();
- this.textLayerRenderTask = null;
- }
- },
- setTextContent: function TextLayerBuilder_setTextContent(textContent) {
- this.cancel();
- this.textContent = textContent;
- },
- convertMatches: function TextLayerBuilder_convertMatches(matches, matchesLength) {
- var i = 0;
- var iIndex = 0;
- var bidiTexts = this.textContent.items;
- var end = bidiTexts.length - 1;
- var queryLen = this.findController === null ? 0 : this.findController.state.query.length;
- var ret = [];
- if (!matches) {
- return ret;
- }
- for (var m = 0, len = matches.length; m < len; m++) {
- // Calculate the start position.
- var matchIdx = matches[m];
- // Loop over the divIdxs.
- while (i !== end && matchIdx >= iIndex + bidiTexts[i].str.length) {
- iIndex += bidiTexts[i].str.length;
- i++;
- }
- if (i === bidiTexts.length) {
- console.error('Could not find a matching mapping');
- }
- var match = {
- begin: {
- divIdx: i,
- offset: matchIdx - iIndex
- }
- };
- // Calculate the end position.
- if (matchesLength) {
- // multiterm search
- matchIdx += matchesLength[m];
- } else {
- // phrase search
- matchIdx += queryLen;
- }
- // Somewhat the same array as above, but use > instead of >= to get
- // the end position right.
- while (i !== end && matchIdx > iIndex + bidiTexts[i].str.length) {
- iIndex += bidiTexts[i].str.length;
- i++;
- }
- match.end = {
- divIdx: i,
- offset: matchIdx - iIndex
- };
- ret.push(match);
- }
- return ret;
- },
- renderMatches: function TextLayerBuilder_renderMatches(matches) {
- // Early exit if there is nothing to render.
- if (matches.length === 0) {
- return;
- }
- var bidiTexts = this.textContent.items;
- var textDivs = this.textDivs;
- var prevEnd = null;
- var pageIdx = this.pageIdx;
- var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
- var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
- var highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
- var infinity = {
- divIdx: -1,
- offset: undefined
- };
- function beginText(begin, className) {
- var divIdx = begin.divIdx;
- textDivs[divIdx].textContent = '';
- appendTextToDiv(divIdx, 0, begin.offset, className);
- }
- function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
- var div = textDivs[divIdx];
- var content = bidiTexts[divIdx].str.substring(fromOffset, toOffset);
- var node = document.createTextNode(content);
- if (className) {
- var span = document.createElement('span');
- span.className = className;
- span.appendChild(node);
- div.appendChild(span);
- return;
- }
- div.appendChild(node);
- }
- var i0 = selectedMatchIdx, i1 = i0 + 1;
- if (highlightAll) {
- i0 = 0;
- i1 = matches.length;
- } else if (!isSelectedPage) {
- // Not highlighting all and this isn't the selected page, so do nothing.
- return;
- }
- for (var i = i0; i < i1; i++) {
- var match = matches[i];
- var begin = match.begin;
- var end = match.end;
- var isSelected = isSelectedPage && i === selectedMatchIdx;
- var highlightSuffix = isSelected ? ' selected' : '';
- if (this.findController) {
- this.findController.updateMatchPosition(pageIdx, i, textDivs, begin.divIdx);
- }
- // Match inside new div.
- if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
- // If there was a previous div, then add the text at the end.
- if (prevEnd !== null) {
- appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
- }
- // Clear the divs and set the content until the starting point.
- beginText(begin);
- } else {
- appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
- }
- if (begin.divIdx === end.divIdx) {
- appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
- } else {
- appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
- for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
- textDivs[n0].className = 'highlight middle' + highlightSuffix;
- }
- beginText(end, 'highlight end' + highlightSuffix);
- }
- prevEnd = end;
- }
- if (prevEnd) {
- appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
- }
- },
- updateMatches: function TextLayerBuilder_updateMatches() {
- // Only show matches when all rendering is done.
- if (!this.renderingDone) {
- return;
- }
- // Clear all matches.
- var matches = this.matches;
- var textDivs = this.textDivs;
- var bidiTexts = this.textContent.items;
- var clearedUntilDivIdx = -1;
- // Clear all current matches.
- for (var i = 0, len = matches.length; i < len; i++) {
- var match = matches[i];
- var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
- for (var n = begin, end = match.end.divIdx; n <= end; n++) {
- var div = textDivs[n];
- div.textContent = bidiTexts[n].str;
- div.className = '';
- }
- clearedUntilDivIdx = match.end.divIdx + 1;
- }
- if (this.findController === null || !this.findController.active) {
- return;
- }
- // Convert the matches on the page controller into the match format
- // used for the textLayer.
- var pageMatches, pageMatchesLength;
- if (this.findController !== null) {
- pageMatches = this.findController.pageMatches[this.pageIdx] || null;
- pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
- }
- this.matches = this.convertMatches(pageMatches, pageMatchesLength);
- this.renderMatches(this.matches);
- },
- /**
- * Fixes text selection: adds additional div where mouse was clicked.
- * This reduces flickering of the content if mouse slowly dragged down/up.
- * @private
- */
- _bindMouse: function TextLayerBuilder_bindMouse() {
- var div = this.textLayerDiv;
- var self = this;
- var expandDivsTimer = null;
- div.addEventListener('mousedown', function (e) {
- if (self.enhanceTextSelection && self.textLayerRenderTask) {
- self.textLayerRenderTask.expandTextDivs(true);
- return;
- }
- var end = div.querySelector('.endOfContent');
- if (!end) {
- return;
- }
- end.classList.add('active');
- });
- div.addEventListener('mouseup', function (e) {
- if (self.enhanceTextSelection && self.textLayerRenderTask) {
- self.textLayerRenderTask.expandTextDivs(false);
- return;
- }
- var end = div.querySelector('.endOfContent');
- if (!end) {
- return;
- }
- end.classList.remove('active');
- });
- }
- };
- return TextLayerBuilder;
- }();
- /**
- * @constructor
- * @implements IPDFTextLayerFactory
- */
- function DefaultTextLayerFactory() {
- }
- DefaultTextLayerFactory.prototype = {
- /**
- * @param {HTMLDivElement} textLayerDiv
- * @param {number} pageIndex
- * @param {PageViewport} viewport
- * @param {boolean} enhanceTextSelection
- * @returns {TextLayerBuilder}
- */
- createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
- return new TextLayerBuilder({
- textLayerDiv: textLayerDiv,
- pageIndex: pageIndex,
- viewport: viewport,
- enhanceTextSelection: enhanceTextSelection
- });
- }
- };
- exports.TextLayerBuilder = TextLayerBuilder;
- exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebAnnotationLayerBuilder = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFJS);
- }(this, function (exports, uiUtils, pdfLinkService, pdfjsLib) {
- var mozL10n = uiUtils.mozL10n;
- var SimpleLinkService = pdfLinkService.SimpleLinkService;
- /**
- * @typedef {Object} AnnotationLayerBuilderOptions
- * @property {HTMLDivElement} pageDiv
- * @property {PDFPage} pdfPage
- * @property {boolean} renderInteractiveForms
- * @property {IPDFLinkService} linkService
- * @property {DownloadManager} downloadManager
- */
- /**
- * @class
- */
- var AnnotationLayerBuilder = function AnnotationLayerBuilderClosure() {
- /**
- * @param {AnnotationLayerBuilderOptions} options
- * @constructs AnnotationLayerBuilder
- */
- function AnnotationLayerBuilder(options) {
- this.pageDiv = options.pageDiv;
- this.pdfPage = options.pdfPage;
- this.renderInteractiveForms = options.renderInteractiveForms;
- this.linkService = options.linkService;
- this.downloadManager = options.downloadManager;
- this.div = null;
- }
- AnnotationLayerBuilder.prototype = /** @lends AnnotationLayerBuilder.prototype */
- {
- /**
- * @param {PageViewport} viewport
- * @param {string} intent (default value is 'display')
- */
- render: function AnnotationLayerBuilder_render(viewport, intent) {
- var self = this;
- var parameters = { intent: intent === undefined ? 'display' : intent };
- this.pdfPage.getAnnotations(parameters).then(function (annotations) {
- viewport = viewport.clone({ dontFlip: true });
- parameters = {
- viewport: viewport,
- div: self.div,
- annotations: annotations,
- page: self.pdfPage,
- renderInteractiveForms: self.renderInteractiveForms,
- linkService: self.linkService,
- downloadManager: self.downloadManager
- };
- if (self.div) {
- // If an annotationLayer already exists, refresh its children's
- // transformation matrices.
- pdfjsLib.AnnotationLayer.update(parameters);
- } else {
- // Create an annotation layer div and render the annotations
- // if there is at least one annotation.
- if (annotations.length === 0) {
- return;
- }
- self.div = document.createElement('div');
- self.div.className = 'annotationLayer';
- self.pageDiv.appendChild(self.div);
- parameters.div = self.div;
- pdfjsLib.AnnotationLayer.render(parameters);
- if (typeof mozL10n !== 'undefined') {
- mozL10n.translate(self.div);
- }
- }
- });
- },
- hide: function AnnotationLayerBuilder_hide() {
- if (!this.div) {
- return;
- }
- this.div.setAttribute('hidden', 'true');
- }
- };
- return AnnotationLayerBuilder;
- }();
- /**
- * @constructor
- * @implements IPDFAnnotationLayerFactory
- */
- function DefaultAnnotationLayerFactory() {
- }
- DefaultAnnotationLayerFactory.prototype = {
- /**
- * @param {HTMLDivElement} pageDiv
- * @param {PDFPage} pdfPage
- * @param {boolean} renderInteractiveForms
- * @returns {AnnotationLayerBuilder}
- */
- createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
- return new AnnotationLayerBuilder({
- pageDiv: pageDiv,
- pdfPage: pdfPage,
- renderInteractiveForms: renderInteractiveForms,
- linkService: new SimpleLinkService()
- });
- }
- };
- exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
- exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebPDFViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFPageView, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebTextLayerBuilder, root.pdfjsWebAnnotationLayerBuilder, root.pdfjsWebPDFLinkService, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
- }(this, function (exports, uiUtils, pdfPageView, pdfRenderingQueue, textLayerBuilder, annotationLayerBuilder, pdfLinkService, domEvents, pdfjsLib) {
- var UNKNOWN_SCALE = uiUtils.UNKNOWN_SCALE;
- var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
- var VERTICAL_PADDING = uiUtils.VERTICAL_PADDING;
- var MAX_AUTO_SCALE = uiUtils.MAX_AUTO_SCALE;
- var CSS_UNITS = uiUtils.CSS_UNITS;
- var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
- var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
- var scrollIntoView = uiUtils.scrollIntoView;
- var watchScroll = uiUtils.watchScroll;
- var getVisibleElements = uiUtils.getVisibleElements;
- var PDFPageView = pdfPageView.PDFPageView;
- var RenderingStates = pdfRenderingQueue.RenderingStates;
- var PDFRenderingQueue = pdfRenderingQueue.PDFRenderingQueue;
- var TextLayerBuilder = textLayerBuilder.TextLayerBuilder;
- var AnnotationLayerBuilder = annotationLayerBuilder.AnnotationLayerBuilder;
- var SimpleLinkService = pdfLinkService.SimpleLinkService;
- var PresentationModeState = {
- UNKNOWN: 0,
- NORMAL: 1,
- CHANGING: 2,
- FULLSCREEN: 3
- };
- var DEFAULT_CACHE_SIZE = 10;
- /**
- * @typedef {Object} PDFViewerOptions
- * @property {HTMLDivElement} container - The container for the viewer element.
- * @property {HTMLDivElement} viewer - (optional) The viewer element.
- * @property {EventBus} eventBus - The application event bus.
- * @property {IPDFLinkService} linkService - The navigation/linking service.
- * @property {DownloadManager} downloadManager - (optional) The download
- * manager component.
- * @property {PDFRenderingQueue} renderingQueue - (optional) The rendering
- * queue object.
- * @property {boolean} removePageBorders - (optional) Removes the border shadow
- * around the pages. The default is false.
- * @property {boolean} enhanceTextSelection - (optional) Enables the improved
- * text selection behaviour. The default is `false`.
- * @property {boolean} renderInteractiveForms - (optional) Enables rendering of
- * interactive form elements. The default is `false`.
- */
- /**
- * Simple viewer control to display PDF content/pages.
- * @class
- * @implements {IRenderableView}
- */
- var PDFViewer = function pdfViewer() {
- function PDFPageViewBuffer(size) {
- var data = [];
- this.push = function cachePush(view) {
- var i = data.indexOf(view);
- if (i >= 0) {
- data.splice(i, 1);
- }
- data.push(view);
- if (data.length > size) {
- data.shift().destroy();
- }
- };
- this.resize = function (newSize) {
- size = newSize;
- while (data.length > size) {
- data.shift().destroy();
- }
- };
- }
- function isSameScale(oldScale, newScale) {
- if (newScale === oldScale) {
- return true;
- }
- if (Math.abs(newScale - oldScale) < 1e-15) {
- // Prevent unnecessary re-rendering of all pages when the scale
- // changes only because of limited numerical precision.
- return true;
- }
- return false;
- }
- /**
- * @constructs PDFViewer
- * @param {PDFViewerOptions} options
- */
- function PDFViewer(options) {
- this.container = options.container;
- this.viewer = options.viewer || options.container.firstElementChild;
- this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
- this.linkService = options.linkService || new SimpleLinkService();
- this.downloadManager = options.downloadManager || null;
- this.removePageBorders = options.removePageBorders || false;
- this.enhanceTextSelection = options.enhanceTextSelection || false;
- this.renderInteractiveForms = options.renderInteractiveForms || false;
- this.defaultRenderingQueue = !options.renderingQueue;
- if (this.defaultRenderingQueue) {
- // Custom rendering queue is not specified, using default one
- this.renderingQueue = new PDFRenderingQueue();
- this.renderingQueue.setViewer(this);
- } else {
- this.renderingQueue = options.renderingQueue;
- }
- this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this));
- this.presentationModeState = PresentationModeState.UNKNOWN;
- this._resetView();
- if (this.removePageBorders) {
- this.viewer.classList.add('removePageBorders');
- }
- }
- PDFViewer.prototype = /** @lends PDFViewer.prototype */
- {
- get pagesCount() {
- return this._pages.length;
- },
- getPageView: function (index) {
- return this._pages[index];
- },
- /**
- * @returns {boolean} true if all {PDFPageView} objects are initialized.
- */
- get pageViewsReady() {
- return this._pageViewsReady;
- },
- /**
- * @returns {number}
- */
- get currentPageNumber() {
- return this._currentPageNumber;
- },
- /**
- * @param {number} val - The page number.
- */
- set currentPageNumber(val) {
- if ((val | 0) !== val) {
- // Ensure that `val` is an integer.
- throw new Error('Invalid page number.');
- }
- if (!this.pdfDocument) {
- this._currentPageNumber = val;
- return;
- }
- // The intent can be to just reset a scroll position and/or scale.
- this._setCurrentPageNumber(val, /* resetCurrentPageView = */
- true);
- },
- /**
- * @private
- */
- _setCurrentPageNumber: function PDFViewer_setCurrentPageNumber(val, resetCurrentPageView) {
- if (this._currentPageNumber === val) {
- if (resetCurrentPageView) {
- this._resetCurrentPageView();
- }
- return;
- }
- if (!(0 < val && val <= this.pagesCount)) {
- console.error('PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.');
- return;
- }
- var arg = {
- source: this,
- pageNumber: val,
- pageLabel: this._pageLabels && this._pageLabels[val - 1]
- };
- this._currentPageNumber = val;
- this.eventBus.dispatch('pagechanging', arg);
- this.eventBus.dispatch('pagechange', arg);
- if (resetCurrentPageView) {
- this._resetCurrentPageView();
- }
- },
- /**
- * @returns {string|null} Returns the current page label,
- * or `null` if no page labels exist.
- */
- get currentPageLabel() {
- return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
- },
- /**
- * @param {string} val - The page label.
- */
- set currentPageLabel(val) {
- var pageNumber = val | 0;
- // Fallback page number.
- if (this._pageLabels) {
- var i = this._pageLabels.indexOf(val);
- if (i >= 0) {
- pageNumber = i + 1;
- }
- }
- this.currentPageNumber = pageNumber;
- },
- /**
- * @returns {number}
- */
- get currentScale() {
- return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE;
- },
- /**
- * @param {number} val - Scale of the pages in percents.
- */
- set currentScale(val) {
- if (isNaN(val)) {
- throw new Error('Invalid numeric scale');
- }
- if (!this.pdfDocument) {
- this._currentScale = val;
- this._currentScaleValue = val !== UNKNOWN_SCALE ? val.toString() : null;
- return;
- }
- this._setScale(val, false);
- },
- /**
- * @returns {string}
- */
- get currentScaleValue() {
- return this._currentScaleValue;
- },
- /**
- * @param val - The scale of the pages (in percent or predefined value).
- */
- set currentScaleValue(val) {
- if (!this.pdfDocument) {
- this._currentScale = isNaN(val) ? UNKNOWN_SCALE : val;
- this._currentScaleValue = val.toString();
- return;
- }
- this._setScale(val, false);
- },
- /**
- * @returns {number}
- */
- get pagesRotation() {
- return this._pagesRotation;
- },
- /**
- * @param {number} rotation - The rotation of the pages (0, 90, 180, 270).
- */
- set pagesRotation(rotation) {
- if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
- throw new Error('Invalid pages rotation angle.');
- }
- this._pagesRotation = rotation;
- if (!this.pdfDocument) {
- return;
- }
- for (var i = 0, l = this._pages.length; i < l; i++) {
- var pageView = this._pages[i];
- pageView.update(pageView.scale, rotation);
- }
- this._setScale(this._currentScaleValue, true);
- if (this.defaultRenderingQueue) {
- this.update();
- }
- },
- /**
- * @param pdfDocument {PDFDocument}
- */
- setDocument: function (pdfDocument) {
- if (this.pdfDocument) {
- this._cancelRendering();
- this._resetView();
- }
- this.pdfDocument = pdfDocument;
- if (!pdfDocument) {
- return;
- }
- var pagesCount = pdfDocument.numPages;
- var self = this;
- var resolvePagesPromise;
- var pagesPromise = new Promise(function (resolve) {
- resolvePagesPromise = resolve;
- });
- this.pagesPromise = pagesPromise;
- pagesPromise.then(function () {
- self._pageViewsReady = true;
- self.eventBus.dispatch('pagesloaded', {
- source: self,
- pagesCount: pagesCount
- });
- });
- var isOnePageRenderedResolved = false;
- var resolveOnePageRendered = null;
- var onePageRendered = new Promise(function (resolve) {
- resolveOnePageRendered = resolve;
- });
- this.onePageRendered = onePageRendered;
- var bindOnAfterAndBeforeDraw = function (pageView) {
- pageView.onBeforeDraw = function pdfViewLoadOnBeforeDraw() {
- // Add the page to the buffer at the start of drawing. That way it can
- // be evicted from the buffer and destroyed even if we pause its
- // rendering.
- self._buffer.push(this);
- };
- pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
- if (!isOnePageRenderedResolved) {
- isOnePageRenderedResolved = true;
- resolveOnePageRendered();
- }
- };
- };
- var firstPagePromise = pdfDocument.getPage(1);
- this.firstPagePromise = firstPagePromise;
- // Fetch a single page so we can get a viewport that will be the default
- // viewport for all pages
- return firstPagePromise.then(function (pdfPage) {
- var scale = this.currentScale;
- var viewport = pdfPage.getViewport(scale * CSS_UNITS);
- for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
- var textLayerFactory = null;
- if (!pdfjsLib.PDFJS.disableTextLayer) {
- textLayerFactory = this;
- }
- var pageView = new PDFPageView({
- container: this.viewer,
- eventBus: this.eventBus,
- id: pageNum,
- scale: scale,
- defaultViewport: viewport.clone(),
- renderingQueue: this.renderingQueue,
- textLayerFactory: textLayerFactory,
- annotationLayerFactory: this,
- enhanceTextSelection: this.enhanceTextSelection,
- renderInteractiveForms: this.renderInteractiveForms
- });
- bindOnAfterAndBeforeDraw(pageView);
- this._pages.push(pageView);
- }
- var linkService = this.linkService;
- // Fetch all the pages since the viewport is needed before printing
- // starts to create the correct size canvas. Wait until one page is
- // rendered so we don't tie up too many resources early on.
- onePageRendered.then(function () {
- if (!pdfjsLib.PDFJS.disableAutoFetch) {
- var getPagesLeft = pagesCount;
- for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
- pdfDocument.getPage(pageNum).then(function (pageNum, pdfPage) {
- var pageView = self._pages[pageNum - 1];
- if (!pageView.pdfPage) {
- pageView.setPdfPage(pdfPage);
- }
- linkService.cachePageRef(pageNum, pdfPage.ref);
- getPagesLeft--;
- if (!getPagesLeft) {
- resolvePagesPromise();
- }
- }.bind(null, pageNum));
- }
- } else {
- // XXX: Printing is semi-broken with auto fetch disabled.
- resolvePagesPromise();
- }
- });
- self.eventBus.dispatch('pagesinit', { source: self });
- if (this.defaultRenderingQueue) {
- this.update();
- }
- if (this.findController) {
- this.findController.resolveFirstPage();
- }
- }.bind(this));
- },
- /**
- * @param {Array|null} labels
- */
- setPageLabels: function PDFViewer_setPageLabels(labels) {
- if (!this.pdfDocument) {
- return;
- }
- if (!labels) {
- this._pageLabels = null;
- } else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
- this._pageLabels = null;
- console.error('PDFViewer_setPageLabels: Invalid page labels.');
- } else {
- this._pageLabels = labels;
- }
- // Update all the `PDFPageView` instances.
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
- var pageView = this._pages[i];
- var label = this._pageLabels && this._pageLabels[i];
- pageView.setPageLabel(label);
- }
- },
- _resetView: function () {
- this._pages = [];
- this._currentPageNumber = 1;
- this._currentScale = UNKNOWN_SCALE;
- this._currentScaleValue = null;
- this._pageLabels = null;
- this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
- this._location = null;
- this._pagesRotation = 0;
- this._pagesRequests = [];
- this._pageViewsReady = false;
- // Remove the pages from the DOM.
- this.viewer.textContent = '';
- },
- _scrollUpdate: function PDFViewer_scrollUpdate() {
- if (this.pagesCount === 0) {
- return;
- }
- this.update();
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
- this._pages[i].updatePosition();
- }
- },
- _setScaleDispatchEvent: function pdfViewer_setScaleDispatchEvent(newScale, newValue, preset) {
- var arg = {
- source: this,
- scale: newScale,
- presetValue: preset ? newValue : undefined
- };
- this.eventBus.dispatch('scalechanging', arg);
- this.eventBus.dispatch('scalechange', arg);
- },
- _setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(newScale, newValue, noScroll, preset) {
- this._currentScaleValue = newValue.toString();
- if (isSameScale(this._currentScale, newScale)) {
- if (preset) {
- this._setScaleDispatchEvent(newScale, newValue, true);
- }
- return;
- }
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
- this._pages[i].update(newScale);
- }
- this._currentScale = newScale;
- if (!noScroll) {
- var page = this._currentPageNumber, dest;
- if (this._location && !pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
- page = this._location.pageNumber;
- dest = [
- null,
- { name: 'XYZ' },
- this._location.left,
- this._location.top,
- null
- ];
- }
- this.scrollPageIntoView({
- pageNumber: page,
- destArray: dest,
- allowNegativeOffset: true
- });
- }
- this._setScaleDispatchEvent(newScale, newValue, preset);
- if (this.defaultRenderingQueue) {
- this.update();
- }
- },
- _setScale: function PDFViewer_setScale(value, noScroll) {
- var scale = parseFloat(value);
- if (scale > 0) {
- this._setScaleUpdatePages(scale, value, noScroll, false);
- } else {
- var currentPage = this._pages[this._currentPageNumber - 1];
- if (!currentPage) {
- return;
- }
- var hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : SCROLLBAR_PADDING;
- var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : VERTICAL_PADDING;
- var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
- var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
- switch (value) {
- case 'page-actual':
- scale = 1;
- break;
- case 'page-width':
- scale = pageWidthScale;
- break;
- case 'page-height':
- scale = pageHeightScale;
- break;
- case 'page-fit':
- scale = Math.min(pageWidthScale, pageHeightScale);
- break;
- case 'auto':
- var isLandscape = currentPage.width > currentPage.height;
- // For pages in landscape mode, fit the page height to the viewer
- // *unless* the page would thus become too wide to fit horizontally.
- var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale;
- scale = Math.min(MAX_AUTO_SCALE, horizontalScale);
- break;
- default:
- console.error('PDFViewer_setScale: "' + value + '" is an unknown zoom value.');
- return;
- }
- this._setScaleUpdatePages(scale, value, noScroll, true);
- }
- },
- /**
- * Refreshes page view: scrolls to the current page and updates the scale.
- * @private
- */
- _resetCurrentPageView: function () {
- if (this.isInPresentationMode) {
- // Fixes the case when PDF has different page sizes.
- this._setScale(this._currentScaleValue, true);
- }
- var pageView = this._pages[this._currentPageNumber - 1];
- scrollIntoView(pageView.div);
- },
- /**
- * @typedef ScrollPageIntoViewParameters
- * @property {number} pageNumber - The page number.
- * @property {Array} destArray - (optional) The original PDF destination
- * array, in the format: <page-ref> </XYZ|/FitXXX> <args..>
- * @property {boolean} allowNegativeOffset - (optional) Allow negative page
- * offsets. The default value is `false`.
- */
- /**
- * Scrolls page into view.
- * @param {ScrollPageIntoViewParameters} params
- */
- scrollPageIntoView: function PDFViewer_scrollPageIntoView(params) {
- if (!this.pdfDocument) {
- return;
- }
- var pageNumber = params.pageNumber || 0;
- var dest = params.destArray || null;
- var allowNegativeOffset = params.allowNegativeOffset || false;
- if (this.isInPresentationMode || !dest) {
- this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView */
- true);
- return;
- }
- var pageView = this._pages[pageNumber - 1];
- if (!pageView) {
- console.error('PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.');
- return;
- }
- var x = 0, y = 0;
- var width = 0, height = 0, widthScale, heightScale;
- var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
- var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / CSS_UNITS;
- var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / CSS_UNITS;
- var scale = 0;
- switch (dest[1].name) {
- case 'XYZ':
- x = dest[2];
- y = dest[3];
- scale = dest[4];
- // If x and/or y coordinates are not supplied, default to
- // _top_ left of the page (not the obvious bottom left,
- // since aligning the bottom of the intended page with the
- // top of the window is rarely helpful).
- x = x !== null ? x : 0;
- y = y !== null ? y : pageHeight;
- break;
- case 'Fit':
- case 'FitB':
- scale = 'page-fit';
- break;
- case 'FitH':
- case 'FitBH':
- y = dest[2];
- scale = 'page-width';
- // According to the PDF spec, section 12.3.2.2, a `null` value in the
- // parameter should maintain the position relative to the new page.
- if (y === null && this._location) {
- x = this._location.left;
- y = this._location.top;
- }
- break;
- case 'FitV':
- case 'FitBV':
- x = dest[2];
- width = pageWidth;
- height = pageHeight;
- scale = 'page-height';
- break;
- case 'FitR':
- x = dest[2];
- y = dest[3];
- width = dest[4] - x;
- height = dest[5] - y;
- var hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING;
- var vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING;
- widthScale = (this.container.clientWidth - hPadding) / width / CSS_UNITS;
- heightScale = (this.container.clientHeight - vPadding) / height / CSS_UNITS;
- scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
- break;
- default:
- console.error('PDFViewer_scrollPageIntoView: \'' + dest[1].name + '\' is not a valid destination type.');
- return;
- }
- if (scale && scale !== this._currentScale) {
- this.currentScaleValue = scale;
- } else if (this._currentScale === UNKNOWN_SCALE) {
- this.currentScaleValue = DEFAULT_SCALE_VALUE;
- }
- if (scale === 'page-fit' && !dest[4]) {
- scrollIntoView(pageView.div);
- return;
- }
- var boundingRect = [
- pageView.viewport.convertToViewportPoint(x, y),
- pageView.viewport.convertToViewportPoint(x + width, y + height)
- ];
- var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
- var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
- if (!allowNegativeOffset) {
- // Some bad PDF generators will create destinations with e.g. top values
- // that exceeds the page height. Ensure that offsets are not negative,
- // to prevent a previous page from becoming visible (fixes bug 874482).
- left = Math.max(left, 0);
- top = Math.max(top, 0);
- }
- scrollIntoView(pageView.div, {
- left: left,
- top: top
- });
- },
- _updateLocation: function (firstPage) {
- var currentScale = this._currentScale;
- var currentScaleValue = this._currentScaleValue;
- var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
- var pageNumber = firstPage.id;
- var pdfOpenParams = '#page=' + pageNumber;
- pdfOpenParams += '&zoom=' + normalizedScaleValue;
- var currentPageView = this._pages[pageNumber - 1];
- var container = this.container;
- var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
- var intLeft = Math.round(topLeft[0]);
- var intTop = Math.round(topLeft[1]);
- pdfOpenParams += ',' + intLeft + ',' + intTop;
- this._location = {
- pageNumber: pageNumber,
- scale: normalizedScaleValue,
- top: intTop,
- left: intLeft,
- pdfOpenParams: pdfOpenParams
- };
- },
- update: function PDFViewer_update() {
- var visible = this._getVisiblePages();
- var visiblePages = visible.views;
- if (visiblePages.length === 0) {
- return;
- }
- var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * visiblePages.length + 1);
- this._buffer.resize(suggestedCacheSize);
- this.renderingQueue.renderHighestPriority(visible);
- var currentId = this._currentPageNumber;
- var firstPage = visible.first;
- for (var i = 0, ii = visiblePages.length, stillFullyVisible = false; i < ii; ++i) {
- var page = visiblePages[i];
- if (page.percent < 100) {
- break;
- }
- if (page.id === currentId) {
- stillFullyVisible = true;
- break;
- }
- }
- if (!stillFullyVisible) {
- currentId = visiblePages[0].id;
- }
- if (!this.isInPresentationMode) {
- this._setCurrentPageNumber(currentId);
- }
- this._updateLocation(firstPage);
- this.eventBus.dispatch('updateviewarea', {
- source: this,
- location: this._location
- });
- },
- containsElement: function (element) {
- return this.container.contains(element);
- },
- focus: function () {
- this.container.focus();
- },
- get isInPresentationMode() {
- return this.presentationModeState === PresentationModeState.FULLSCREEN;
- },
- get isChangingPresentationMode() {
- return this.presentationModeState === PresentationModeState.CHANGING;
- },
- get isHorizontalScrollbarEnabled() {
- return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
- },
- _getVisiblePages: function () {
- if (!this.isInPresentationMode) {
- return getVisibleElements(this.container, this._pages, true);
- } else {
- // The algorithm in getVisibleElements doesn't work in all browsers and
- // configurations when presentation mode is active.
- var visible = [];
- var currentPage = this._pages[this._currentPageNumber - 1];
- visible.push({
- id: currentPage.id,
- view: currentPage
- });
- return {
- first: currentPage,
- last: currentPage,
- views: visible
- };
- }
- },
- cleanup: function () {
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
- if (this._pages[i] && this._pages[i].renderingState !== RenderingStates.FINISHED) {
- this._pages[i].reset();
- }
- }
- },
- /**
- * @private
- */
- _cancelRendering: function PDFViewer_cancelRendering() {
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
- if (this._pages[i]) {
- this._pages[i].cancelRendering();
- }
- }
- },
- /**
- * @param {PDFPageView} pageView
- * @returns {PDFPage}
- * @private
- */
- _ensurePdfPageLoaded: function (pageView) {
- if (pageView.pdfPage) {
- return Promise.resolve(pageView.pdfPage);
- }
- var pageNumber = pageView.id;
- if (this._pagesRequests[pageNumber]) {
- return this._pagesRequests[pageNumber];
- }
- var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
- pageView.setPdfPage(pdfPage);
- this._pagesRequests[pageNumber] = null;
- return pdfPage;
- }.bind(this));
- this._pagesRequests[pageNumber] = promise;
- return promise;
- },
- forceRendering: function (currentlyVisiblePages) {
- var visiblePages = currentlyVisiblePages || this._getVisiblePages();
- var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down);
- if (pageView) {
- this._ensurePdfPageLoaded(pageView).then(function () {
- this.renderingQueue.renderView(pageView);
- }.bind(this));
- return true;
- }
- return false;
- },
- getPageTextContent: function (pageIndex) {
- return this.pdfDocument.getPage(pageIndex + 1).then(function (page) {
- return page.getTextContent({ normalizeWhitespace: true });
- });
- },
- /**
- * @param {HTMLDivElement} textLayerDiv
- * @param {number} pageIndex
- * @param {PageViewport} viewport
- * @returns {TextLayerBuilder}
- */
- createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
- return new TextLayerBuilder({
- textLayerDiv: textLayerDiv,
- eventBus: this.eventBus,
- pageIndex: pageIndex,
- viewport: viewport,
- findController: this.isInPresentationMode ? null : this.findController,
- enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
- });
- },
- /**
- * @param {HTMLDivElement} pageDiv
- * @param {PDFPage} pdfPage
- * @param {boolean} renderInteractiveForms
- * @returns {AnnotationLayerBuilder}
- */
- createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
- return new AnnotationLayerBuilder({
- pageDiv: pageDiv,
- pdfPage: pdfPage,
- renderInteractiveForms: renderInteractiveForms,
- linkService: this.linkService,
- downloadManager: this.downloadManager
- });
- },
- setFindController: function (findController) {
- this.findController = findController;
- },
- /**
- * Returns sizes of the pages.
- * @returns {Array} Array of objects with width/height fields.
- */
- getPagesOverview: function () {
- return this._pages.map(function (pageView) {
- var viewport = pageView.pdfPage.getViewport(1);
- return {
- width: viewport.width,
- height: viewport.height
- };
- });
- }
- };
- return PDFViewer;
- }();
- exports.PresentationModeState = PresentationModeState;
- exports.PDFViewer = PDFViewer;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebApp = {}, root.pdfjsWebUIUtils, root.pdfjsWebDownloadManager, root.pdfjsWebPDFHistory, root.pdfjsWebPreferences, root.pdfjsWebPDFSidebar, root.pdfjsWebViewHistory, root.pdfjsWebPDFThumbnailViewer, root.pdfjsWebSecondaryToolbar, root.pdfjsWebPasswordPrompt, root.pdfjsWebPDFPresentationMode, root.pdfjsWebPDFDocumentProperties, root.pdfjsWebHandTool, root.pdfjsWebPDFViewer, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFOutlineViewer, root.pdfjsWebOverlayManager, root.pdfjsWebPDFAttachmentViewer, root.pdfjsWebPDFFindController, root.pdfjsWebPDFFindBar, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
- }(this, function (exports, uiUtilsLib, downloadManagerLib, pdfHistoryLib, preferencesLib, pdfSidebarLib, viewHistoryLib, pdfThumbnailViewerLib, secondaryToolbarLib, passwordPromptLib, pdfPresentationModeLib, pdfDocumentPropertiesLib, handToolLib, pdfViewerLib, pdfRenderingQueueLib, pdfLinkServiceLib, pdfOutlineViewerLib, overlayManagerLib, pdfAttachmentViewerLib, pdfFindControllerLib, pdfFindBarLib, domEventsLib, pdfjsLib) {
- var UNKNOWN_SCALE = uiUtilsLib.UNKNOWN_SCALE;
- var DEFAULT_SCALE_VALUE = uiUtilsLib.DEFAULT_SCALE_VALUE;
- var ProgressBar = uiUtilsLib.ProgressBar;
- var getPDFFileNameFromURL = uiUtilsLib.getPDFFileNameFromURL;
- var noContextMenuHandler = uiUtilsLib.noContextMenuHandler;
- var mozL10n = uiUtilsLib.mozL10n;
- var parseQueryString = uiUtilsLib.parseQueryString;
- var PDFHistory = pdfHistoryLib.PDFHistory;
- var Preferences = preferencesLib.Preferences;
- var SidebarView = pdfSidebarLib.SidebarView;
- var PDFSidebar = pdfSidebarLib.PDFSidebar;
- var ViewHistory = viewHistoryLib.ViewHistory;
- var PDFThumbnailViewer = pdfThumbnailViewerLib.PDFThumbnailViewer;
- var SecondaryToolbar = secondaryToolbarLib.SecondaryToolbar;
- var PasswordPrompt = passwordPromptLib.PasswordPrompt;
- var PDFPresentationMode = pdfPresentationModeLib.PDFPresentationMode;
- var PDFDocumentProperties = pdfDocumentPropertiesLib.PDFDocumentProperties;
- var HandTool = handToolLib.HandTool;
- var PresentationModeState = pdfViewerLib.PresentationModeState;
- var PDFViewer = pdfViewerLib.PDFViewer;
- var RenderingStates = pdfRenderingQueueLib.RenderingStates;
- var PDFRenderingQueue = pdfRenderingQueueLib.PDFRenderingQueue;
- var PDFLinkService = pdfLinkServiceLib.PDFLinkService;
- var PDFOutlineViewer = pdfOutlineViewerLib.PDFOutlineViewer;
- var OverlayManager = overlayManagerLib.OverlayManager;
- var PDFAttachmentViewer = pdfAttachmentViewerLib.PDFAttachmentViewer;
- var PDFFindController = pdfFindControllerLib.PDFFindController;
- var PDFFindBar = pdfFindBarLib.PDFFindBar;
- var getGlobalEventBus = domEventsLib.getGlobalEventBus;
- var normalizeWheelEventDelta = uiUtilsLib.normalizeWheelEventDelta;
- var DEFAULT_SCALE_DELTA = 1.1;
- var MIN_SCALE = 0.25;
- var MAX_SCALE = 10.0;
- var SCALE_SELECT_CONTAINER_PADDING = 8;
- var SCALE_SELECT_PADDING = 22;
- var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
- var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
- function configure(PDFJS) {
- PDFJS.imageResourcesPath = './images/';
- PDFJS.workerSrc = '../build/pdf.worker.js';
- PDFJS.cMapUrl = '../web/cmaps/';
- PDFJS.cMapPacked = true;
- }
- var DefaultExernalServices = {
- updateFindControlState: function (data) {
- },
- initPassiveLoading: function (callbacks) {
- },
- fallback: function (data, callback) {
- },
- reportTelemetry: function (data) {
- },
- createDownloadManager: function () {
- return new downloadManagerLib.DownloadManager();
- },
- supportsIntegratedFind: false,
- supportsDocumentFonts: true,
- supportsDocumentColors: true,
- supportedMouseWheelZoomModifierKeys: {
- ctrlKey: true,
- metaKey: true
- }
- };
- var PDFViewerApplication = {
- initialBookmark: document.location.hash.substring(1),
- initialDestination: null,
- initialized: false,
- fellback: false,
- appConfig: null,
- pdfDocument: null,
- pdfLoadingTask: null,
- printService: null,
- /** @type {PDFViewer} */
- pdfViewer: null,
- /** @type {PDFThumbnailViewer} */
- pdfThumbnailViewer: null,
- /** @type {PDFRenderingQueue} */
- pdfRenderingQueue: null,
- /** @type {PDFPresentationMode} */
- pdfPresentationMode: null,
- /** @type {PDFDocumentProperties} */
- pdfDocumentProperties: null,
- /** @type {PDFLinkService} */
- pdfLinkService: null,
- /** @type {PDFHistory} */
- pdfHistory: null,
- /** @type {PDFSidebar} */
- pdfSidebar: null,
- /** @type {PDFOutlineViewer} */
- pdfOutlineViewer: null,
- /** @type {PDFAttachmentViewer} */
- pdfAttachmentViewer: null,
- /** @type {ViewHistory} */
- store: null,
- /** @type {DownloadManager} */
- downloadManager: null,
- /** @type {EventBus} */
- eventBus: null,
- pageRotation: 0,
- isInitialViewSet: false,
- animationStartedPromise: null,
- preferenceSidebarViewOnLoad: SidebarView.NONE,
- preferencePdfBugEnabled: false,
- preferenceShowPreviousViewOnLoad: true,
- preferenceDefaultZoomValue: '',
- preferenceDisablePageLabels: false,
- isViewerEmbedded: window.parent !== window,
- url: '',
- baseUrl: '',
- externalServices: DefaultExernalServices,
- hasPageLabels: false,
- // called once when the document is loaded
- initialize: function pdfViewInitialize(appConfig) {
- configure(pdfjsLib.PDFJS);
- this.appConfig = appConfig;
- var eventBus = appConfig.eventBus || getGlobalEventBus();
- this.eventBus = eventBus;
- this.bindEvents();
- var pdfRenderingQueue = new PDFRenderingQueue();
- pdfRenderingQueue.onIdle = this.cleanup.bind(this);
- this.pdfRenderingQueue = pdfRenderingQueue;
- var pdfLinkService = new PDFLinkService({ eventBus: eventBus });
- this.pdfLinkService = pdfLinkService;
- var downloadManager = this.externalServices.createDownloadManager();
- this.downloadManager = downloadManager;
- var container = appConfig.mainContainer;
- var viewer = appConfig.viewerContainer;
- this.pdfViewer = new PDFViewer({
- container: container,
- viewer: viewer,
- eventBus: eventBus,
- renderingQueue: pdfRenderingQueue,
- linkService: pdfLinkService,
- downloadManager: downloadManager,
- enhanceTextSelection: false,
- renderInteractiveForms: false
- });
- pdfRenderingQueue.setViewer(this.pdfViewer);
- pdfLinkService.setViewer(this.pdfViewer);
- var thumbnailContainer = appConfig.sidebar.thumbnailView;
- this.pdfThumbnailViewer = new PDFThumbnailViewer({
- container: thumbnailContainer,
- renderingQueue: pdfRenderingQueue,
- linkService: pdfLinkService
- });
- pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
- Preferences.initialize();
- this.preferences = Preferences;
- this.pdfHistory = new PDFHistory({
- linkService: pdfLinkService,
- eventBus: this.eventBus
- });
- pdfLinkService.setHistory(this.pdfHistory);
- this.findController = new PDFFindController({ pdfViewer: this.pdfViewer });
- this.findController.onUpdateResultsCount = function (matchCount) {
- if (this.supportsIntegratedFind) {
- return;
- }
- this.findBar.updateResultsCount(matchCount);
- }.bind(this);
- this.findController.onUpdateState = function (state, previous, matchCount) {
- if (this.supportsIntegratedFind) {
- this.externalServices.updateFindControlState({
- result: state,
- findPrevious: previous
- });
- } else {
- this.findBar.updateUIState(state, previous, matchCount);
- }
- }.bind(this);
- this.pdfViewer.setFindController(this.findController);
- // FIXME better PDFFindBar constructor parameters
- var findBarConfig = Object.create(appConfig.findBar);
- findBarConfig.findController = this.findController;
- findBarConfig.eventBus = this.eventBus;
- this.findBar = new PDFFindBar(findBarConfig);
- this.overlayManager = OverlayManager;
- this.handTool = new HandTool({
- container: container,
- eventBus: this.eventBus
- });
- this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties);
- this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
- if (this.supportsFullscreen) {
- this.pdfPresentationMode = new PDFPresentationMode({
- container: container,
- viewer: viewer,
- pdfViewer: this.pdfViewer,
- eventBus: this.eventBus,
- contextMenuItems: appConfig.fullscreen
- });
- }
- this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay);
- this.pdfOutlineViewer = new PDFOutlineViewer({
- container: appConfig.sidebar.outlineView,
- eventBus: this.eventBus,
- linkService: pdfLinkService
- });
- this.pdfAttachmentViewer = new PDFAttachmentViewer({
- container: appConfig.sidebar.attachmentsView,
- eventBus: this.eventBus,
- downloadManager: downloadManager
- });
- // FIXME better PDFSidebar constructor parameters
- var sidebarConfig = Object.create(appConfig.sidebar);
- sidebarConfig.pdfViewer = this.pdfViewer;
- sidebarConfig.pdfThumbnailViewer = this.pdfThumbnailViewer;
- sidebarConfig.pdfOutlineViewer = this.pdfOutlineViewer;
- sidebarConfig.eventBus = this.eventBus;
- this.pdfSidebar = new PDFSidebar(sidebarConfig);
- this.pdfSidebar.onToggled = this.forceRendering.bind(this);
- var self = this;
- var PDFJS = pdfjsLib.PDFJS;
- var initializedPromise = Promise.all([
- Preferences.get('enableWebGL').then(function resolved(value) {
- PDFJS.disableWebGL = !value;
- }),
- Preferences.get('sidebarViewOnLoad').then(function resolved(value) {
- self.preferenceSidebarViewOnLoad = value;
- }),
- Preferences.get('pdfBugEnabled').then(function resolved(value) {
- self.preferencePdfBugEnabled = value;
- }),
- Preferences.get('showPreviousViewOnLoad').then(function resolved(value) {
- self.preferenceShowPreviousViewOnLoad = value;
- }),
- Preferences.get('defaultZoomValue').then(function resolved(value) {
- self.preferenceDefaultZoomValue = value;
- }),
- Preferences.get('enhanceTextSelection').then(function resolved(value) {
- // TODO: Move the initialization and fetching of `Preferences` to occur
- // before the various viewer components are initialized.
- //
- // This was attempted in: https://github.com/mozilla/pdf.js/pull/7586,
- // but it had to be backed out since it violated implicit assumptions
- // about some viewer components being synchronously available.
- //
- // NOTE: This hack works since the `enhanceTextSelection` option is not
- // needed until `PDFViewer.setDocument` has been called.
- self.pdfViewer.enhanceTextSelection = value;
- }),
- Preferences.get('disableTextLayer').then(function resolved(value) {
- if (PDFJS.disableTextLayer === true) {
- return;
- }
- PDFJS.disableTextLayer = value;
- }),
- Preferences.get('disableRange').then(function resolved(value) {
- if (PDFJS.disableRange === true) {
- return;
- }
- PDFJS.disableRange = value;
- }),
- Preferences.get('disableStream').then(function resolved(value) {
- if (PDFJS.disableStream === true) {
- return;
- }
- PDFJS.disableStream = value;
- }),
- Preferences.get('disableAutoFetch').then(function resolved(value) {
- PDFJS.disableAutoFetch = value;
- }),
- Preferences.get('disableFontFace').then(function resolved(value) {
- if (PDFJS.disableFontFace === true) {
- return;
- }
- PDFJS.disableFontFace = value;
- }),
- Preferences.get('useOnlyCssZoom').then(function resolved(value) {
- PDFJS.useOnlyCssZoom = value;
- }),
- Preferences.get('externalLinkTarget').then(function resolved(value) {
- if (PDFJS.isExternalLinkTargetSet()) {
- return;
- }
- PDFJS.externalLinkTarget = value;
- }),
- Preferences.get('renderInteractiveForms').then(function resolved(value) {
- // TODO: Like the `enhanceTextSelection` preference, move the
- // initialization and fetching of `Preferences` to occur
- // before the various viewer components are initialized.
- self.pdfViewer.renderInteractiveForms = value;
- }),
- Preferences.get('disablePageLabels').then(function resolved(value) {
- self.preferenceDisablePageLabels = value;
- })
- ]).catch(function (reason) {
- });
- return initializedPromise.then(function () {
- if (self.isViewerEmbedded && !PDFJS.isExternalLinkTargetSet()) {
- // Prevent external links from "replacing" the viewer,
- // when it's embedded in e.g. an iframe or an object.
- PDFJS.externalLinkTarget = PDFJS.LinkTarget.TOP;
- }
- self.initialized = true;
- });
- },
- run: function pdfViewRun(config) {
- this.initialize(config).then(webViewerInitialized);
- },
- zoomIn: function pdfViewZoomIn(ticks) {
- var newScale = this.pdfViewer.currentScale;
- do {
- newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
- newScale = Math.ceil(newScale * 10) / 10;
- newScale = Math.min(MAX_SCALE, newScale);
- } while (--ticks > 0 && newScale < MAX_SCALE);
- this.pdfViewer.currentScaleValue = newScale;
- },
- zoomOut: function pdfViewZoomOut(ticks) {
- var newScale = this.pdfViewer.currentScale;
- do {
- newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
- newScale = Math.floor(newScale * 10) / 10;
- newScale = Math.max(MIN_SCALE, newScale);
- } while (--ticks > 0 && newScale > MIN_SCALE);
- this.pdfViewer.currentScaleValue = newScale;
- },
- get pagesCount() {
- return this.pdfDocument ? this.pdfDocument.numPages : 0;
- },
- set page(val) {
- this.pdfViewer.currentPageNumber = val;
- },
- get page() {
- return this.pdfViewer.currentPageNumber;
- },
- get printing() {
- return !!this.printService;
- },
- get supportsPrinting() {
- return PDFPrintServiceFactory.instance.supportsPrinting;
- },
- get supportsFullscreen() {
- var support;
- support = document.fullscreenEnabled === true || document.mozFullScreenEnabled === true;
- if (support && pdfjsLib.PDFJS.disableFullscreen === true) {
- support = false;
- }
- return pdfjsLib.shadow(this, 'supportsFullscreen', support);
- },
- get supportsIntegratedFind() {
- return this.externalServices.supportsIntegratedFind;
- },
- get supportsDocumentFonts() {
- return this.externalServices.supportsDocumentFonts;
- },
- get supportsDocumentColors() {
- return this.externalServices.supportsDocumentColors;
- },
- get loadingBar() {
- var bar = new ProgressBar('#loadingBar', {});
- return pdfjsLib.shadow(this, 'loadingBar', bar);
- },
- get supportedMouseWheelZoomModifierKeys() {
- return this.externalServices.supportedMouseWheelZoomModifierKeys;
- },
- initPassiveLoading: function pdfViewInitPassiveLoading() {
- this.externalServices.initPassiveLoading({
- onOpenWithTransport: function (url, length, transport) {
- PDFViewerApplication.open(url, { range: transport });
- if (length) {
- PDFViewerApplication.pdfDocumentProperties.setFileSize(length);
- }
- },
- onOpenWithData: function (data) {
- PDFViewerApplication.open(data);
- },
- onOpenWithURL: function (url, length, originalURL) {
- var file = url, args = null;
- if (length !== undefined) {
- args = { length: length };
- }
- if (originalURL !== undefined) {
- file = {
- file: url,
- originalURL: originalURL
- };
- }
- PDFViewerApplication.open(file, args);
- },
- onError: function (e) {
- PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.'), e);
- },
- onProgress: function (loaded, total) {
- PDFViewerApplication.progress(loaded / total);
- }
- });
- },
- setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
- this.url = url;
- this.baseUrl = url.split('#')[0];
- try {
- this.setTitle(decodeURIComponent(pdfjsLib.getFilenameFromUrl(url)) || url);
- } catch (e) {
- // decodeURIComponent may throw URIError,
- // fall back to using the unprocessed url in that case
- this.setTitle(url);
- }
- },
- setTitle: function pdfViewSetTitle(title) {
- if (this.isViewerEmbedded) {
- // Embedded PDF viewers should not be changing their parent page's title.
- return;
- }
- document.title = title;
- },
- /**
- * Closes opened PDF document.
- * @returns {Promise} - Returns the promise, which is resolved when all
- * destruction is completed.
- */
- close: function pdfViewClose() {
- var errorWrapper = this.appConfig.errorWrapper.container;
- errorWrapper.setAttribute('hidden', 'true');
- if (!this.pdfLoadingTask) {
- return Promise.resolve();
- }
- var promise = this.pdfLoadingTask.destroy();
- this.pdfLoadingTask = null;
- if (this.pdfDocument) {
- this.pdfDocument = null;
- this.pdfThumbnailViewer.setDocument(null);
- this.pdfViewer.setDocument(null);
- this.pdfLinkService.setDocument(null, null);
- }
- this.store = null;
- this.isInitialViewSet = false;
- this.hasPageLabels = false;
- this.pdfSidebar.reset();
- this.pdfOutlineViewer.reset();
- this.pdfAttachmentViewer.reset();
- this.findController.reset();
- this.findBar.reset();
- if (typeof PDFBug !== 'undefined') {
- PDFBug.cleanup();
- }
- return promise;
- },
- /**
- * Opens PDF document specified by URL or array with additional arguments.
- * @param {string|TypedArray|ArrayBuffer} file - PDF location or binary data.
- * @param {Object} args - (optional) Additional arguments for the getDocument
- * call, e.g. HTTP headers ('httpHeaders') or
- * alternative data transport ('range').
- * @returns {Promise} - Returns the promise, which is resolved when document
- * is opened.
- */
- open: function pdfViewOpen(file, args) {
- if (this.pdfLoadingTask) {
- // We need to destroy already opened document.
- return this.close().then(function () {
- // Reload the preferences if a document was previously opened.
- Preferences.reload();
- // ... and repeat the open() call.
- return this.open(file, args);
- }.bind(this));
- }
- var parameters = Object.create(null), scale;
- if (typeof file === 'string') {
- // URL
- this.setTitleUsingUrl(file);
- parameters.url = file;
- } else if (file && 'byteLength' in file) {
- // ArrayBuffer
- parameters.data = file;
- } else if (file.url && file.originalUrl) {
- this.setTitleUsingUrl(file.originalUrl);
- parameters.url = file.url;
- }
- parameters.docBaseUrl = this.baseUrl;
- if (args) {
- for (var prop in args) {
- parameters[prop] = args[prop];
- }
- if (args.scale) {
- scale = args.scale;
- }
- if (args.length) {
- this.pdfDocumentProperties.setFileSize(args.length);
- }
- }
- var self = this;
- self.downloadComplete = false;
- var loadingTask = pdfjsLib.getDocument(parameters);
- this.pdfLoadingTask = loadingTask;
- loadingTask.onPassword = function passwordNeeded(updateCallback, reason) {
- self.passwordPrompt.setUpdateCallback(updateCallback, reason);
- self.passwordPrompt.open();
- };
- loadingTask.onProgress = function getDocumentProgress(progressData) {
- self.progress(progressData.loaded / progressData.total);
- };
- // Listen for unsupported features to trigger the fallback UI.
- loadingTask.onUnsupportedFeature = this.fallback.bind(this);
- return loadingTask.promise.then(function getDocumentCallback(pdfDocument) {
- self.load(pdfDocument, scale);
- }, function getDocumentError(exception) {
- var message = exception && exception.message;
- var loadingErrorMessage = mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.');
- if (exception instanceof pdfjsLib.InvalidPDFException) {
- // change error message also for other builds
- loadingErrorMessage = mozL10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
- } else if (exception instanceof pdfjsLib.MissingPDFException) {
- // special message for missing PDF's
- loadingErrorMessage = mozL10n.get('missing_file_error', null, 'Missing PDF file.');
- } else if (exception instanceof pdfjsLib.UnexpectedResponseException) {
- loadingErrorMessage = mozL10n.get('unexpected_response_error', null, 'Unexpected server response.');
- }
- var moreInfo = { message: message };
- self.error(loadingErrorMessage, moreInfo);
- throw new Error(loadingErrorMessage);
- });
- },
- download: function pdfViewDownload() {
- function downloadByUrl() {
- downloadManager.downloadUrl(url, filename);
- }
- var url = this.baseUrl;
- var filename = getPDFFileNameFromURL(url);
- var downloadManager = this.downloadManager;
- downloadManager.onerror = function (err) {
- // This error won't really be helpful because it's likely the
- // fallback won't work either (or is already open).
- PDFViewerApplication.error('PDF failed to download.');
- };
- if (!this.pdfDocument) {
- // the PDF is not ready yet
- downloadByUrl();
- return;
- }
- if (!this.downloadComplete) {
- // the PDF is still downloading
- downloadByUrl();
- return;
- }
- this.pdfDocument.getData().then(function getDataSuccess(data) {
- var blob = pdfjsLib.createBlob(data, 'application/pdf');
- downloadManager.download(blob, url, filename);
- }, downloadByUrl).then(null, downloadByUrl);
- },
- fallback: function pdfViewFallback(featureId) {
- // Only trigger the fallback once so we don't spam the user with messages
- // for one PDF.
- if (this.fellback) {
- return;
- }
- this.fellback = true;
- this.externalServices.fallback({
- featureId: featureId,
- url: this.baseUrl
- }, function response(download) {
- if (!download) {
- return;
- }
- PDFViewerApplication.download();
- });
- },
- /**
- * Show the error box.
- * @param {String} message A message that is human readable.
- * @param {Object} moreInfo (optional) Further information about the error
- * that is more technical. Should have a 'message'
- * and optionally a 'stack' property.
- */
- error: function pdfViewError(message, moreInfo) {
- var moreInfoText = mozL10n.get('error_version_info', {
- version: pdfjsLib.version || '?',
- build: pdfjsLib.build || '?'
- }, 'PDF.js v{{version}} (build: {{build}})') + '\n';
- if (moreInfo) {
- moreInfoText += mozL10n.get('error_message', { message: moreInfo.message }, 'Message: {{message}}');
- if (moreInfo.stack) {
- moreInfoText += '\n' + mozL10n.get('error_stack', { stack: moreInfo.stack }, 'Stack: {{stack}}');
- } else {
- if (moreInfo.filename) {
- moreInfoText += '\n' + mozL10n.get('error_file', { file: moreInfo.filename }, 'File: {{file}}');
- }
- if (moreInfo.lineNumber) {
- moreInfoText += '\n' + mozL10n.get('error_line', { line: moreInfo.lineNumber }, 'Line: {{line}}');
- }
- }
- }
- console.error(message + '\n' + moreInfoText);
- this.fallback();
- },
- progress: function pdfViewProgress(level) {
- var percent = Math.round(level * 100);
- // When we transition from full request to range requests, it's possible
- // that we discard some of the loaded data. This can cause the loading
- // bar to move backwards. So prevent this by only updating the bar if it
- // increases.
- if (percent > this.loadingBar.percent || isNaN(percent)) {
- this.loadingBar.percent = percent;
- // When disableAutoFetch is enabled, it's not uncommon for the entire file
- // to never be fetched (depends on e.g. the file structure). In this case
- // the loading bar will not be completely filled, nor will it be hidden.
- // To prevent displaying a partially filled loading bar permanently, we
- // hide it when no data has been loaded during a certain amount of time.
- if (pdfjsLib.PDFJS.disableAutoFetch && percent) {
- if (this.disableAutoFetchLoadingBarTimeout) {
- clearTimeout(this.disableAutoFetchLoadingBarTimeout);
- this.disableAutoFetchLoadingBarTimeout = null;
- }
- this.loadingBar.show();
- this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
- this.loadingBar.hide();
- this.disableAutoFetchLoadingBarTimeout = null;
- }.bind(this), DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
- }
- }
- },
- load: function pdfViewLoad(pdfDocument, scale) {
- var self = this;
- scale = scale || UNKNOWN_SCALE;
- this.pdfDocument = pdfDocument;
- this.pdfDocumentProperties.setDocumentAndUrl(pdfDocument, this.url);
- var downloadedPromise = pdfDocument.getDownloadInfo().then(function () {
- self.downloadComplete = true;
- self.loadingBar.hide();
- });
- this._updateUIToolbar({ resetNumPages: true });
- var id = this.documentFingerprint = pdfDocument.fingerprint;
- var store = this.store = new ViewHistory(id);
- var baseDocumentUrl;
- baseDocumentUrl = this.baseUrl;
- this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
- var pdfViewer = this.pdfViewer;
- pdfViewer.currentScale = scale;
- pdfViewer.setDocument(pdfDocument);
- var firstPagePromise = pdfViewer.firstPagePromise;
- var pagesPromise = pdfViewer.pagesPromise;
- var onePageRendered = pdfViewer.onePageRendered;
- this.pageRotation = 0;
- var pdfThumbnailViewer = this.pdfThumbnailViewer;
- pdfThumbnailViewer.setDocument(pdfDocument);
- firstPagePromise.then(function (pdfPage) {
- downloadedPromise.then(function () {
- self.eventBus.dispatch('documentload', { source: self });
- });
- self.loadingBar.setWidth(self.appConfig.viewerContainer);
- if (!pdfjsLib.PDFJS.disableHistory && !self.isViewerEmbedded) {
- // The browsing history is only enabled when the viewer is standalone,
- // i.e. not when it is embedded in a web page.
- if (!self.preferenceShowPreviousViewOnLoad) {
- self.pdfHistory.clearHistoryState();
- }
- self.pdfHistory.initialize(self.documentFingerprint);
- if (self.pdfHistory.initialDestination) {
- self.initialDestination = self.pdfHistory.initialDestination;
- } else if (self.pdfHistory.initialBookmark) {
- self.initialBookmark = self.pdfHistory.initialBookmark;
- }
- }
- var initialParams = {
- destination: self.initialDestination,
- bookmark: self.initialBookmark,
- hash: null
- };
- store.initializedPromise.then(function resolved() {
- var storedHash = null, sidebarView = null;
- if (self.preferenceShowPreviousViewOnLoad && store.get('exists', false)) {
- var pageNum = store.get('page', '1');
- var zoom = self.preferenceDefaultZoomValue || store.get('zoom', DEFAULT_SCALE_VALUE);
- var left = store.get('scrollLeft', '0');
- var top = store.get('scrollTop', '0');
- storedHash = 'page=' + pageNum + '&zoom=' + zoom + ',' + left + ',' + top;
- sidebarView = store.get('sidebarView', SidebarView.NONE);
- } else if (self.preferenceDefaultZoomValue) {
- storedHash = 'page=1&zoom=' + self.preferenceDefaultZoomValue;
- }
- self.setInitialView(storedHash, {
- scale: scale,
- sidebarView: sidebarView
- });
- initialParams.hash = storedHash;
- // Make all navigation keys work on document load,
- // unless the viewer is embedded in a web page.
- if (!self.isViewerEmbedded) {
- self.pdfViewer.focus();
- }
- }, function rejected(reason) {
- console.error(reason);
- self.setInitialView(null, { scale: scale });
- });
- // For documents with different page sizes,
- // ensure that the correct location becomes visible on load.
- pagesPromise.then(function resolved() {
- if (!initialParams.destination && !initialParams.bookmark && !initialParams.hash) {
- return;
- }
- if (self.hasEqualPageSizes) {
- return;
- }
- self.initialDestination = initialParams.destination;
- self.initialBookmark = initialParams.bookmark;
- self.pdfViewer.currentScaleValue = self.pdfViewer.currentScaleValue;
- self.setInitialView(initialParams.hash);
- });
- });
- pdfDocument.getPageLabels().then(function (labels) {
- if (!labels || self.preferenceDisablePageLabels) {
- return;
- }
- var i = 0, numLabels = labels.length;
- if (numLabels !== self.pagesCount) {
- console.error('The number of Page Labels does not match ' + 'the number of pages in the document.');
- return;
- }
- // Ignore page labels that correspond to standard page numbering.
- while (i < numLabels && labels[i] === (i + 1).toString()) {
- i++;
- }
- if (i === numLabels) {
- return;
- }
- pdfViewer.setPageLabels(labels);
- pdfThumbnailViewer.setPageLabels(labels);
- self.hasPageLabels = true;
- self._updateUIToolbar({ resetNumPages: true });
- });
- pagesPromise.then(function () {
- if (self.supportsPrinting) {
- pdfDocument.getJavaScript().then(function (javaScript) {
- if (javaScript.length) {
- console.warn('Warning: JavaScript is not supported');
- self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
- }
- // Hack to support auto printing.
- var regex = /\bprint\s*\(/;
- for (var i = 0, ii = javaScript.length; i < ii; i++) {
- var js = javaScript[i];
- if (js && regex.test(js)) {
- setTimeout(function () {
- window.print();
- });
- return;
- }
- }
- });
- }
- });
- Promise.all([
- onePageRendered,
- this.animationStartedPromise
- ]).then(function () {
- pdfDocument.getOutline().then(function (outline) {
- self.pdfOutlineViewer.render({ outline: outline });
- });
- pdfDocument.getAttachments().then(function (attachments) {
- self.pdfAttachmentViewer.render({ attachments: attachments });
- });
- });
- pdfDocument.getMetadata().then(function (data) {
- var info = data.info, metadata = data.metadata;
- self.documentInfo = info;
- self.metadata = metadata;
- // Provides some basic debug information
- console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (pdfjsLib.version || '-') + (!pdfjsLib.PDFJS.disableWebGL ? ' [WebGL]' : '') + ')');
- var pdfTitle;
- if (metadata && metadata.has('dc:title')) {
- var title = metadata.get('dc:title');
- // Ghostscript sometimes return 'Untitled', sets the title to 'Untitled'
- if (title !== 'Untitled') {
- pdfTitle = title;
- }
- }
- if (!pdfTitle && info && info['Title']) {
- pdfTitle = info['Title'];
- }
- if (pdfTitle) {
- self.setTitle(pdfTitle + ' - ' + document.title);
- }
- if (info.IsAcroFormPresent) {
- console.warn('Warning: AcroForm/XFA is not supported');
- self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.forms);
- }
- var versionId = String(info.PDFFormatVersion).slice(-1) | 0;
- var generatorId = 0;
- var KNOWN_GENERATORS = [
- 'acrobat distiller',
- 'acrobat pdfwriter',
- 'adobe livecycle',
- 'adobe pdf library',
- 'adobe photoshop',
- 'ghostscript',
- 'tcpdf',
- 'cairo',
- 'dvipdfm',
- 'dvips',
- 'pdftex',
- 'pdfkit',
- 'itext',
- 'prince',
- 'quarkxpress',
- 'mac os x',
- 'microsoft',
- 'openoffice',
- 'oracle',
- 'luradocument',
- 'pdf-xchange',
- 'antenna house',
- 'aspose.cells',
- 'fpdf'
- ];
- if (info.Producer) {
- KNOWN_GENERATORS.some(function (generator, s, i) {
- if (generator.indexOf(s) < 0) {
- return false;
- }
- generatorId = i + 1;
- return true;
- }.bind(null, info.Producer.toLowerCase()));
- }
- var formType = !info.IsAcroFormPresent ? null : info.IsXFAPresent ? 'xfa' : 'acroform';
- self.externalServices.reportTelemetry({
- type: 'documentInfo',
- version: versionId,
- generator: generatorId,
- formType: formType
- });
- });
- },
- setInitialView: function pdfViewSetInitialView(storedHash, options) {
- var scale = options && options.scale;
- var sidebarView = options && options.sidebarView;
- this.isInitialViewSet = true;
- this.pdfSidebar.setInitialView(this.preferenceSidebarViewOnLoad || sidebarView | 0);
- if (this.initialDestination) {
- this.pdfLinkService.navigateTo(this.initialDestination);
- this.initialDestination = null;
- } else if (this.initialBookmark) {
- this.pdfLinkService.setHash(this.initialBookmark);
- this.pdfHistory.push({ hash: this.initialBookmark }, true);
- this.initialBookmark = null;
- } else if (storedHash) {
- this.pdfLinkService.setHash(storedHash);
- } else if (scale) {
- this.pdfViewer.currentScaleValue = scale;
- this.page = 1;
- }
- if (!this.pdfViewer.currentScaleValue) {
- // Scale was not initialized: invalid bookmark or scale was not specified.
- // Setting the default one.
- this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
- }
- },
- cleanup: function pdfViewCleanup() {
- if (!this.pdfDocument) {
- return;
- }
- // run cleanup when document is loaded
- this.pdfViewer.cleanup();
- this.pdfThumbnailViewer.cleanup();
- this.pdfDocument.cleanup();
- },
- forceRendering: function pdfViewForceRendering() {
- this.pdfRenderingQueue.printing = this.printing;
- this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
- this.pdfRenderingQueue.renderHighestPriority();
- },
- beforePrint: function pdfViewSetupBeforePrint() {
- if (this.printService) {
- // There is no way to suppress beforePrint/afterPrint events,
- // but PDFPrintService may generate double events -- this will ignore
- // the second event that will be coming from native window.print().
- return;
- }
- if (!this.supportsPrinting) {
- var printMessage = mozL10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by this browser.');
- this.error(printMessage);
- return;
- }
- // The beforePrint is a sync method and we need to know layout before
- // returning from this method. Ensure that we can get sizes of the pages.
- if (!this.pdfViewer.pageViewsReady) {
- var notReadyMessage = mozL10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.');
- window.alert(notReadyMessage);
- return;
- }
- var pagesOverview = this.pdfViewer.getPagesOverview();
- var printContainer = this.appConfig.printContainer;
- var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer);
- this.printService = printService;
- this.forceRendering();
- printService.layout();
- this.externalServices.reportTelemetry({ type: 'print' });
- },
- // Whether all pages of the PDF have the same width and height.
- get hasEqualPageSizes() {
- var firstPage = this.pdfViewer.getPageView(0);
- for (var i = 1, ii = this.pagesCount; i < ii; ++i) {
- var pageView = this.pdfViewer.getPageView(i);
- if (pageView.width !== firstPage.width || pageView.height !== firstPage.height) {
- return false;
- }
- }
- return true;
- },
- afterPrint: function pdfViewSetupAfterPrint() {
- if (this.printService) {
- this.printService.destroy();
- this.printService = null;
- }
- this.forceRendering();
- },
- rotatePages: function pdfViewRotatePages(delta) {
- var pageNumber = this.page;
- this.pageRotation = (this.pageRotation + 360 + delta) % 360;
- this.pdfViewer.pagesRotation = this.pageRotation;
- this.pdfThumbnailViewer.pagesRotation = this.pageRotation;
- this.forceRendering();
- this.pdfViewer.currentPageNumber = pageNumber;
- },
- requestPresentationMode: function pdfViewRequestPresentationMode() {
- if (!this.pdfPresentationMode) {
- return;
- }
- this.pdfPresentationMode.request();
- },
- /**
- * @typedef UpdateUIToolbarParameters
- * @property {number} pageNumber
- * @property {string} pageLabel
- * @property {string} scaleValue
- * @property {number} scale
- * @property {boolean} resetNumPages
- */
- /**
- * @param {Object} UpdateUIToolbarParameters
- * @private
- */
- _updateUIToolbar: function (params) {
- function selectScaleOption(value, scale) {
- var options = toolbarConfig.scaleSelect.options;
- var predefinedValueFound = false;
- for (var i = 0, ii = options.length; i < ii; i++) {
- var option = options[i];
- if (option.value !== value) {
- option.selected = false;
- continue;
- }
- option.selected = true;
- predefinedValueFound = true;
- }
- if (!predefinedValueFound) {
- var customScale = Math.round(scale * 10000) / 100;
- toolbarConfig.customScaleOption.textContent = mozL10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%');
- toolbarConfig.customScaleOption.selected = true;
- }
- }
- var pageNumber = params.pageNumber || this.pdfViewer.currentPageNumber;
- var scaleValue = (params.scaleValue || params.scale || this.pdfViewer.currentScaleValue || DEFAULT_SCALE_VALUE).toString();
- var scale = params.scale || this.pdfViewer.currentScale;
- var resetNumPages = params.resetNumPages || false;
- var toolbarConfig = this.appConfig.toolbar;
- var pagesCount = this.pagesCount;
- if (resetNumPages) {
- if (this.hasPageLabels) {
- toolbarConfig.pageNumber.type = 'text';
- } else {
- toolbarConfig.pageNumber.type = 'number';
- toolbarConfig.numPages.textContent = mozL10n.get('of_pages', { pagesCount: pagesCount }, 'of {{pagesCount}}');
- }
- toolbarConfig.pageNumber.max = pagesCount;
- }
- if (this.hasPageLabels) {
- toolbarConfig.pageNumber.value = params.pageLabel || this.pdfViewer.currentPageLabel;
- toolbarConfig.numPages.textContent = mozL10n.get('page_of_pages', {
- pageNumber: pageNumber,
- pagesCount: pagesCount
- }, '({{pageNumber}} of {{pagesCount}})');
- } else {
- toolbarConfig.pageNumber.value = pageNumber;
- }
- toolbarConfig.previous.disabled = pageNumber <= 1;
- toolbarConfig.next.disabled = pageNumber >= pagesCount;
- toolbarConfig.firstPage.disabled = pageNumber <= 1;
- toolbarConfig.lastPage.disabled = pageNumber >= pagesCount;
- toolbarConfig.zoomOut.disabled = scale <= MIN_SCALE;
- toolbarConfig.zoomIn.disabled = scale >= MAX_SCALE;
- selectScaleOption(scaleValue, scale);
- },
- bindEvents: function pdfViewBindEvents() {
- var eventBus = this.eventBus;
- eventBus.on('resize', webViewerResize);
- eventBus.on('localized', webViewerLocalized);
- eventBus.on('hashchange', webViewerHashchange);
- eventBus.on('beforeprint', this.beforePrint.bind(this));
- eventBus.on('afterprint', this.afterPrint.bind(this));
- eventBus.on('pagerendered', webViewerPageRendered);
- eventBus.on('textlayerrendered', webViewerTextLayerRendered);
- eventBus.on('updateviewarea', webViewerUpdateViewarea);
- eventBus.on('pagechanging', webViewerPageChanging);
- eventBus.on('scalechanging', webViewerScaleChanging);
- eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
- eventBus.on('pagemode', webViewerPageMode);
- eventBus.on('namedaction', webViewerNamedAction);
- eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
- eventBus.on('presentationmode', webViewerPresentationMode);
- eventBus.on('openfile', webViewerOpenFile);
- eventBus.on('print', webViewerPrint);
- eventBus.on('download', webViewerDownload);
- eventBus.on('firstpage', webViewerFirstPage);
- eventBus.on('lastpage', webViewerLastPage);
- eventBus.on('rotatecw', webViewerRotateCw);
- eventBus.on('rotateccw', webViewerRotateCcw);
- eventBus.on('documentproperties', webViewerDocumentProperties);
- eventBus.on('find', webViewerFind);
- eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
- }
- };
- var validateFileURL;
- function loadAndEnablePDFBug(enabledTabs) {
- return new Promise(function (resolve, reject) {
- var appConfig = PDFViewerApplication.appConfig;
- var script = document.createElement('script');
- script.src = appConfig.debuggerScriptPath;
- script.onload = function () {
- PDFBug.enable(enabledTabs);
- PDFBug.init(pdfjsLib, appConfig.mainContainer);
- resolve();
- };
- script.onerror = function () {
- reject(new Error('Cannot load debugger at ' + script.src));
- };
- (document.getElementsByTagName('head')[0] || document.body).appendChild(script);
- });
- }
- function webViewerInitialized() {
- var file;
- file = window.location.href.split('#')[0];
- var waitForBeforeOpening = [];
- var appConfig = PDFViewerApplication.appConfig;
- appConfig.toolbar.openFile.setAttribute('hidden', 'true');
- appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
- var PDFJS = pdfjsLib.PDFJS;
- if (PDFViewerApplication.preferencePdfBugEnabled) {
- // Special debugging flags in the hash section of the URL.
- var hash = document.location.hash.substring(1);
- var hashParams = parseQueryString(hash);
- if ('disableworker' in hashParams) {
- PDFJS.disableWorker = hashParams['disableworker'] === 'true';
- }
- if ('disablerange' in hashParams) {
- PDFJS.disableRange = hashParams['disablerange'] === 'true';
- }
- if ('disablestream' in hashParams) {
- PDFJS.disableStream = hashParams['disablestream'] === 'true';
- }
- if ('disableautofetch' in hashParams) {
- PDFJS.disableAutoFetch = hashParams['disableautofetch'] === 'true';
- }
- if ('disablefontface' in hashParams) {
- PDFJS.disableFontFace = hashParams['disablefontface'] === 'true';
- }
- if ('disablehistory' in hashParams) {
- PDFJS.disableHistory = hashParams['disablehistory'] === 'true';
- }
- if ('webgl' in hashParams) {
- PDFJS.disableWebGL = hashParams['webgl'] !== 'true';
- }
- if ('useonlycsszoom' in hashParams) {
- PDFJS.useOnlyCssZoom = hashParams['useonlycsszoom'] === 'true';
- }
- if ('verbosity' in hashParams) {
- PDFJS.verbosity = hashParams['verbosity'] | 0;
- }
- if ('ignorecurrentpositiononzoom' in hashParams) {
- PDFJS.ignoreCurrentPositionOnZoom = hashParams['ignorecurrentpositiononzoom'] === 'true';
- }
- if ('textlayer' in hashParams) {
- switch (hashParams['textlayer']) {
- case 'off':
- PDFJS.disableTextLayer = true;
- break;
- case 'visible':
- case 'shadow':
- case 'hover':
- var viewer = appConfig.viewerContainer;
- viewer.classList.add('textLayer-' + hashParams['textlayer']);
- break;
- }
- }
- if ('pdfbug' in hashParams) {
- PDFJS.pdfBug = true;
- var pdfBug = hashParams['pdfbug'];
- var enabled = pdfBug.split(',');
- waitForBeforeOpening.push(loadAndEnablePDFBug(enabled));
- }
- }
- if (!PDFViewerApplication.supportsDocumentFonts) {
- PDFJS.disableFontFace = true;
- console.warn(mozL10n.get('web_fonts_disabled', null, 'Web fonts are disabled: unable to use embedded PDF fonts.'));
- }
- if (!PDFViewerApplication.supportsPrinting) {
- appConfig.toolbar.print.classList.add('hidden');
- appConfig.secondaryToolbar.printButton.classList.add('hidden');
- }
- if (!PDFViewerApplication.supportsFullscreen) {
- appConfig.toolbar.presentationModeButton.classList.add('hidden');
- appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden');
- }
- if (PDFViewerApplication.supportsIntegratedFind) {
- appConfig.toolbar.viewFind.classList.add('hidden');
- }
- // Suppress context menus for some controls
- appConfig.toolbar.scaleSelect.oncontextmenu = noContextMenuHandler;
- appConfig.sidebar.mainContainer.addEventListener('transitionend', function (e) {
- if (e.target === /* mainContainer */
- this) {
- PDFViewerApplication.eventBus.dispatch('resize');
- }
- }, true);
- appConfig.sidebar.toggleButton.addEventListener('click', function () {
- PDFViewerApplication.pdfSidebar.toggle();
- });
- appConfig.toolbar.previous.addEventListener('click', function () {
- PDFViewerApplication.page--;
- });
- appConfig.toolbar.next.addEventListener('click', function () {
- PDFViewerApplication.page++;
- });
- appConfig.toolbar.zoomIn.addEventListener('click', function () {
- PDFViewerApplication.zoomIn();
- });
- appConfig.toolbar.zoomOut.addEventListener('click', function () {
- PDFViewerApplication.zoomOut();
- });
- appConfig.toolbar.pageNumber.addEventListener('click', function () {
- this.select();
- });
- appConfig.toolbar.pageNumber.addEventListener('change', function () {
- var pdfViewer = PDFViewerApplication.pdfViewer;
- pdfViewer.currentPageLabel = this.value;
- // Ensure that the page number input displays the correct value, even if the
- // value entered by the user was invalid (e.g. a floating point number).
- if (this.value !== pdfViewer.currentPageNumber.toString() && this.value !== pdfViewer.currentPageLabel) {
- PDFViewerApplication._updateUIToolbar({});
- }
- });
- appConfig.toolbar.scaleSelect.addEventListener('change', function () {
- if (this.value === 'custom') {
- return;
- }
- PDFViewerApplication.pdfViewer.currentScaleValue = this.value;
- });
- appConfig.toolbar.presentationModeButton.addEventListener('click', function (e) {
- PDFViewerApplication.eventBus.dispatch('presentationmode');
- });
- appConfig.toolbar.openFile.addEventListener('click', function (e) {
- PDFViewerApplication.eventBus.dispatch('openfile');
- });
- appConfig.toolbar.print.addEventListener('click', function (e) {
- PDFViewerApplication.eventBus.dispatch('print');
- });
- appConfig.toolbar.download.addEventListener('click', function (e) {
- PDFViewerApplication.eventBus.dispatch('download');
- });
- Promise.all(waitForBeforeOpening).then(function () {
- webViewerOpenFileViaURL(file);
- }).catch(function (reason) {
- PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while opening.'), reason);
- });
- }
- var webViewerOpenFileViaURL;
- webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) {
- PDFViewerApplication.setTitleUsingUrl(file);
- PDFViewerApplication.initPassiveLoading();
- };
- function webViewerPageRendered(e) {
- var pageNumber = e.pageNumber;
- var pageIndex = pageNumber - 1;
- var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
- // If the page is still visible when it has finished rendering,
- // ensure that the page number input loading indicator is hidden.
- if (pageNumber === PDFViewerApplication.page) {
- var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber;
- pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
- }
- // Prevent errors in the edge-case where the PDF document is removed *before*
- // the 'pagerendered' event handler is invoked.
- if (!pageView) {
- return;
- }
- // Use the rendered page to set the corresponding thumbnail image.
- if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
- var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
- thumbnailView.setImage(pageView);
- }
- if (pdfjsLib.PDFJS.pdfBug && Stats.enabled && pageView.stats) {
- Stats.add(pageNumber, pageView.stats);
- }
- if (pageView.error) {
- PDFViewerApplication.error(mozL10n.get('rendering_error', null, 'An error occurred while rendering the page.'), pageView.error);
- }
- PDFViewerApplication.externalServices.reportTelemetry({ type: 'pageInfo' });
- // It is a good time to report stream and font types.
- PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
- PDFViewerApplication.externalServices.reportTelemetry({
- type: 'documentStats',
- stats: stats
- });
- });
- }
- function webViewerTextLayerRendered(e) {
- if (e.numTextDivs > 0 && !PDFViewerApplication.supportsDocumentColors) {
- console.error(mozL10n.get('document_colors_not_allowed', null, 'PDF documents are not allowed to use their own colors: ' + '\'Allow pages to choose their own colors\' ' + 'is deactivated in the browser.'));
- PDFViewerApplication.fallback();
- }
- }
- function webViewerPageMode(e) {
- if (!PDFViewerApplication.initialized) {
- return;
- }
- // Handle the 'pagemode' hash parameter, see also `PDFLinkService_setHash`.
- var mode = e.mode, view;
- switch (mode) {
- case 'thumbs':
- view = SidebarView.THUMBS;
- break;
- case 'bookmarks':
- case 'outline':
- view = SidebarView.OUTLINE;
- break;
- case 'attachments':
- view = SidebarView.ATTACHMENTS;
- break;
- case 'none':
- view = SidebarView.NONE;
- break;
- default:
- console.error('Invalid "pagemode" hash parameter: ' + mode);
- return;
- }
- PDFViewerApplication.pdfSidebar.switchView(view, /* forceOpen = */
- true);
- }
- function webViewerNamedAction(e) {
- if (!PDFViewerApplication.initialized) {
- return;
- }
- // Processing couple of named actions that might be useful.
- // See also PDFLinkService.executeNamedAction
- var action = e.action;
- switch (action) {
- case 'GoToPage':
- PDFViewerApplication.appConfig.toolbar.pageNumber.select();
- break;
- case 'Find':
- if (!PDFViewerApplication.supportsIntegratedFind) {
- PDFViewerApplication.findBar.toggle();
- }
- break;
- }
- }
- function webViewerPresentationModeChanged(e) {
- var active = e.active;
- var switchInProgress = e.switchInProgress;
- PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? PresentationModeState.CHANGING : active ? PresentationModeState.FULLSCREEN : PresentationModeState.NORMAL;
- }
- function webViewerSidebarViewChanged(e) {
- if (!PDFViewerApplication.initialized) {
- return;
- }
- PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
- var store = PDFViewerApplication.store;
- if (!store || !PDFViewerApplication.isInitialViewSet) {
- // Only update the storage when the document has been loaded *and* rendered.
- return;
- }
- store.initializedPromise.then(function () {
- store.set('sidebarView', e.view).catch(function () {
- });
- });
- }
- function webViewerUpdateViewarea(e) {
- if (!PDFViewerApplication.initialized) {
- return;
- }
- var location = e.location, store = PDFViewerApplication.store;
- if (store) {
- store.initializedPromise.then(function () {
- store.setMultiple({
- 'exists': true,
- 'page': location.pageNumber,
- 'zoom': location.scale,
- 'scrollLeft': location.left,
- 'scrollTop': location.top
- }).catch(function () {
- });
- });
- }
- var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
- PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
- PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
- // Update the current bookmark in the browsing history.
- PDFViewerApplication.pdfHistory.updateCurrentBookmark(location.pdfOpenParams, location.pageNumber);
- // Show/hide the loading indicator in the page number input element.
- var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber;
- var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
- if (currentPage.renderingState === RenderingStates.FINISHED) {
- pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
- } else {
- pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
- }
- }
- window.addEventListener('resize', function webViewerResize(evt) {
- if (!PDFViewerApplication.eventBus) {
- return;
- }
- PDFViewerApplication.eventBus.dispatch('resize');
- });
- function webViewerResize() {
- if (PDFViewerApplication.initialized) {
- var currentScaleValue = PDFViewerApplication.pdfViewer.currentScaleValue;
- if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
- // Note: the scale is constant for 'page-actual'.
- PDFViewerApplication.pdfViewer.currentScaleValue = currentScaleValue;
- } else if (!currentScaleValue) {
- // Normally this shouldn't happen, but if the scale wasn't initialized
- // we set it to the default value in order to prevent any issues.
- // (E.g. the document being rendered with the wrong scale on load.)
- PDFViewerApplication.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
- }
- PDFViewerApplication.pdfViewer.update();
- }
- }
- window.addEventListener('hashchange', function webViewerHashchange(evt) {
- var hash = document.location.hash.substring(1);
- PDFViewerApplication.eventBus.dispatch('hashchange', { hash: hash });
- });
- function webViewerHashchange(e) {
- if (PDFViewerApplication.pdfHistory.isHashChangeUnlocked) {
- var hash = e.hash;
- if (!hash) {
- return;
- }
- if (!PDFViewerApplication.isInitialViewSet) {
- PDFViewerApplication.initialBookmark = hash;
- } else {
- PDFViewerApplication.pdfLinkService.setHash(hash);
- }
- }
- }
- var webViewerFileInputChange;
- window.addEventListener('localized', function localized(evt) {
- PDFViewerApplication.eventBus.dispatch('localized');
- });
- function webViewerLocalized() {
- document.getElementsByTagName('html')[0].dir = mozL10n.getDirection();
- PDFViewerApplication.animationStartedPromise.then(function () {
- // Adjust the width of the zoom box to fit the content.
- // Note: If the window is narrow enough that the zoom box is not visible,
- // we temporarily show it to be able to adjust its width.
- var container = PDFViewerApplication.appConfig.toolbar.scaleSelectContainer;
- if (container.clientWidth === 0) {
- container.setAttribute('style', 'display: inherit;');
- }
- if (container.clientWidth > 0) {
- var select = PDFViewerApplication.appConfig.toolbar.scaleSelect;
- select.setAttribute('style', 'min-width: inherit;');
- var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
- select.setAttribute('style', 'min-width: ' + (width + SCALE_SELECT_PADDING) + 'px;');
- container.setAttribute('style', 'min-width: ' + width + 'px; ' + 'max-width: ' + width + 'px;');
- }
- });
- }
- function webViewerPresentationMode() {
- PDFViewerApplication.requestPresentationMode();
- }
- function webViewerOpenFile() {
- var openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
- document.getElementById(openFileInputName).click();
- }
- function webViewerPrint() {
- window.print();
- }
- function webViewerDownload() {
- PDFViewerApplication.download();
- }
- function webViewerFirstPage() {
- if (PDFViewerApplication.pdfDocument) {
- PDFViewerApplication.page = 1;
- }
- }
- function webViewerLastPage() {
- if (PDFViewerApplication.pdfDocument) {
- PDFViewerApplication.page = PDFViewerApplication.pagesCount;
- }
- }
- function webViewerRotateCw() {
- PDFViewerApplication.rotatePages(90);
- }
- function webViewerRotateCcw() {
- PDFViewerApplication.rotatePages(-90);
- }
- function webViewerDocumentProperties() {
- PDFViewerApplication.pdfDocumentProperties.open();
- }
- function webViewerFind(e) {
- PDFViewerApplication.findController.executeCommand('find' + e.type, {
- query: e.query,
- phraseSearch: e.phraseSearch,
- caseSensitive: e.caseSensitive,
- highlightAll: e.highlightAll,
- findPrevious: e.findPrevious
- });
- }
- function webViewerFindFromUrlHash(e) {
- PDFViewerApplication.findController.executeCommand('find', {
- query: e.query,
- phraseSearch: e.phraseSearch,
- caseSensitive: false,
- highlightAll: true,
- findPrevious: false
- });
- }
- function webViewerScaleChanging(e) {
- PDFViewerApplication._updateUIToolbar({
- scaleValue: e.presetValue,
- scale: e.scale
- });
- if (!PDFViewerApplication.initialized) {
- return;
- }
- PDFViewerApplication.pdfViewer.update();
- }
- function webViewerPageChanging(e) {
- var page = e.pageNumber;
- PDFViewerApplication._updateUIToolbar({
- pageNumber: page,
- pageLabel: e.pageLabel
- });
- if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
- PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
- }
- // we need to update stats
- if (pdfjsLib.PDFJS.pdfBug && Stats.enabled) {
- var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
- if (pageView.stats) {
- Stats.add(page, pageView.stats);
- }
- }
- }
- var zoomDisabled = false, zoomDisabledTimeout;
- function handleMouseWheel(evt) {
- var pdfViewer = PDFViewerApplication.pdfViewer;
- if (!pdfViewer || pdfViewer.isInPresentationMode) {
- return;
- }
- if (evt.ctrlKey || evt.metaKey) {
- var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
- if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
- return;
- }
- // Only zoom the pages, not the entire viewer.
- evt.preventDefault();
- // NOTE: this check must be placed *after* preventDefault.
- if (zoomDisabled) {
- return;
- }
- var previousScale = pdfViewer.currentScale;
- var delta = normalizeWheelEventDelta(evt);
- var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
- var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;
- if (ticks < 0) {
- PDFViewerApplication.zoomOut(-ticks);
- } else {
- PDFViewerApplication.zoomIn(ticks);
- }
- var currentScale = pdfViewer.currentScale;
- if (previousScale !== currentScale) {
- // After scaling the page via zoomIn/zoomOut, the position of the upper-
- // left corner is restored. When the mouse wheel is used, the position
- // under the cursor should be restored instead.
- var scaleCorrectionFactor = currentScale / previousScale - 1;
- var rect = pdfViewer.container.getBoundingClientRect();
- var dx = evt.clientX - rect.left;
- var dy = evt.clientY - rect.top;
- pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
- pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
- }
- } else {
- zoomDisabled = true;
- clearTimeout(zoomDisabledTimeout);
- zoomDisabledTimeout = setTimeout(function () {
- zoomDisabled = false;
- }, 1000);
- }
- }
- window.addEventListener('wheel', handleMouseWheel);
- window.addEventListener('click', function click(evt) {
- if (!PDFViewerApplication.secondaryToolbar.isOpen) {
- return;
- }
- var appConfig = PDFViewerApplication.appConfig;
- if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
- PDFViewerApplication.secondaryToolbar.close();
- }
- }, true);
- window.addEventListener('keydown', function keydown(evt) {
- if (OverlayManager.active) {
- return;
- }
- var handled = false;
- var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
- var pdfViewer = PDFViewerApplication.pdfViewer;
- var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
- // First, handle the key bindings that are independent whether an input
- // control is selected or not.
- if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
- // either CTRL or META key with optional SHIFT.
- switch (evt.keyCode) {
- case 70:
- // f
- if (!PDFViewerApplication.supportsIntegratedFind) {
- PDFViewerApplication.findBar.open();
- handled = true;
- }
- break;
- case 71:
- // g
- if (!PDFViewerApplication.supportsIntegratedFind) {
- var findState = PDFViewerApplication.findController.state;
- if (findState) {
- PDFViewerApplication.findController.executeCommand('findagain', {
- query: findState.query,
- phraseSearch: findState.phraseSearch,
- caseSensitive: findState.caseSensitive,
- highlightAll: findState.highlightAll,
- findPrevious: cmd === 5 || cmd === 12
- });
- }
- handled = true;
- }
- break;
- case 61:
- // FF/Mac '='
- case 107:
- // FF '+' and '='
- case 187:
- // Chrome '+'
- case 171:
- // FF with German keyboard
- if (!isViewerInPresentationMode) {
- PDFViewerApplication.zoomIn();
- }
- handled = true;
- break;
- case 173:
- // FF/Mac '-'
- case 109:
- // FF '-'
- case 189:
- // Chrome '-'
- if (!isViewerInPresentationMode) {
- PDFViewerApplication.zoomOut();
- }
- handled = true;
- break;
- case 48:
- // '0'
- case 96:
- // '0' on Numpad of Swedish keyboard
- if (!isViewerInPresentationMode) {
- // keeping it unhandled (to restore page zoom to 100%)
- setTimeout(function () {
- // ... and resetting the scale after browser adjusts its scale
- pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
- });
- handled = false;
- }
- break;
- }
- }
- // CTRL+ALT or Option+Command
- if (cmd === 3 || cmd === 10) {
- switch (evt.keyCode) {
- case 80:
- // p
- PDFViewerApplication.requestPresentationMode();
- handled = true;
- break;
- case 71:
- // g
- // focuses input#pageNumber field
- PDFViewerApplication.appConfig.toolbar.pageNumber.select();
- handled = true;
- break;
- }
- }
- if (handled) {
- evt.preventDefault();
- return;
- }
- // Some shortcuts should not get handled if a control/input element
- // is selected.
- var curElement = document.activeElement || document.querySelector(':focus');
- var curElementTagName = curElement && curElement.tagName.toUpperCase();
- if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
- // Make sure that the secondary toolbar is closed when Escape is pressed.
- if (evt.keyCode !== 27) {
- // 'Esc'
- return;
- }
- }
- var ensureViewerFocused = false;
- if (cmd === 0) {
- // no control key pressed at all.
- switch (evt.keyCode) {
- case 38:
- // up arrow
- case 33:
- // pg up
- case 8:
- // backspace
- if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
- break;
- }
- /* in presentation mode */
- case 37:
- // left arrow
- // horizontal scrolling using arrow keys
- if (pdfViewer.isHorizontalScrollbarEnabled) {
- break;
- }
- case 75:
- // 'k'
- case 80:
- // 'p'
- if (PDFViewerApplication.page > 1) {
- PDFViewerApplication.page--;
- }
- handled = true;
- break;
- case 27:
- // esc key
- if (PDFViewerApplication.secondaryToolbar.isOpen) {
- PDFViewerApplication.secondaryToolbar.close();
- handled = true;
- }
- if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
- PDFViewerApplication.findBar.close();
- handled = true;
- }
- break;
- case 40:
- // down arrow
- case 34:
- // pg down
- case 32:
- // spacebar
- if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
- break;
- }
- case 39:
- // right arrow
- // horizontal scrolling using arrow keys
- if (pdfViewer.isHorizontalScrollbarEnabled) {
- break;
- }
- case 74:
- // 'j'
- case 78:
- // 'n'
- if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
- PDFViewerApplication.page++;
- }
- handled = true;
- break;
- case 36:
- // home
- if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
- PDFViewerApplication.page = 1;
- handled = true;
- ensureViewerFocused = true;
- }
- break;
- case 35:
- // end
- if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
- PDFViewerApplication.page = PDFViewerApplication.pagesCount;
- handled = true;
- ensureViewerFocused = true;
- }
- break;
- case 72:
- // 'h'
- if (!isViewerInPresentationMode) {
- PDFViewerApplication.handTool.toggle();
- }
- break;
- case 82:
- // 'r'
- PDFViewerApplication.rotatePages(90);
- break;
- }
- }
- if (cmd === 4) {
- // shift-key
- switch (evt.keyCode) {
- case 32:
- // spacebar
- if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
- break;
- }
- if (PDFViewerApplication.page > 1) {
- PDFViewerApplication.page--;
- }
- handled = true;
- break;
- case 82:
- // 'r'
- PDFViewerApplication.rotatePages(-90);
- break;
- }
- }
- if (!handled && !isViewerInPresentationMode) {
- // 33=Page Up 34=Page Down 35=End 36=Home
- // 37=Left 38=Up 39=Right 40=Down
- // 32=Spacebar
- if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
- ensureViewerFocused = true;
- }
- }
- if (cmd === 2) {
- // alt-key
- switch (evt.keyCode) {
- case 37:
- // left arrow
- if (isViewerInPresentationMode) {
- PDFViewerApplication.pdfHistory.back();
- handled = true;
- }
- break;
- case 39:
- // right arrow
- if (isViewerInPresentationMode) {
- PDFViewerApplication.pdfHistory.forward();
- handled = true;
- }
- break;
- }
- }
- if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
- // The page container is not focused, but a page navigation key has been
- // pressed. Change the focus to the viewer container to make sure that
- // navigation by keyboard works as expected.
- pdfViewer.focus();
- }
- if (handled) {
- evt.preventDefault();
- }
- });
- window.addEventListener('beforeprint', function beforePrint(evt) {
- PDFViewerApplication.eventBus.dispatch('beforeprint');
- });
- window.addEventListener('afterprint', function afterPrint(evt) {
- PDFViewerApplication.eventBus.dispatch('afterprint');
- });
- (function animationStartedClosure() {
- // The offsetParent is not set until the pdf.js iframe or object is visible.
- // Waiting for first animation.
- PDFViewerApplication.animationStartedPromise = new Promise(function (resolve) {
- window.requestAnimationFrame(resolve);
- });
- }());
- /* Abstract factory for the print service. */
- var PDFPrintServiceFactory = {
- instance: {
- supportsPrinting: false,
- createPrintService: function () {
- throw new Error('Not implemented: createPrintService');
- }
- }
- };
- exports.PDFViewerApplication = PDFViewerApplication;
- exports.DefaultExernalServices = DefaultExernalServices;
- exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebFirefoxPrintService = {}, root.pdfjsWebUIUtils, root.pdfjsWebApp, root.pdfjsWebPDFJS);
- }(this, function (exports, uiUtils, app, pdfjsLib) {
- var CSS_UNITS = uiUtils.CSS_UNITS;
- var PDFPrintServiceFactory = app.PDFPrintServiceFactory;
- // Creates a placeholder with div and canvas with right size for the page.
- function composePage(pdfDocument, pageNumber, size, printContainer) {
- var canvas = document.createElement('canvas');
- // The size of the canvas in pixels for printing.
- var PRINT_RESOLUTION = 150;
- var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
- canvas.width = Math.floor(size.width * PRINT_UNITS);
- canvas.height = Math.floor(size.height * PRINT_UNITS);
- // The physical size of the canvas as specified by the PDF document.
- canvas.style.width = Math.floor(size.width * CSS_UNITS) + 'px';
- canvas.style.height = Math.floor(size.height * CSS_UNITS) + 'px';
- var canvasWrapper = document.createElement('div');
- canvasWrapper.appendChild(canvas);
- printContainer.appendChild(canvasWrapper);
- canvas.mozPrintCallback = function (obj) {
- // Printing/rendering the page.
- var ctx = obj.context;
- ctx.save();
- ctx.fillStyle = 'rgb(255, 255, 255)';
- ctx.fillRect(0, 0, canvas.width, canvas.height);
- ctx.restore();
- pdfDocument.getPage(pageNumber).then(function (pdfPage) {
- var renderContext = {
- canvasContext: ctx,
- transform: [
- PRINT_UNITS,
- 0,
- 0,
- PRINT_UNITS,
- 0,
- 0
- ],
- viewport: pdfPage.getViewport(1),
- intent: 'print'
- };
- return pdfPage.render(renderContext).promise;
- }).then(function () {
- // Tell the printEngine that rendering this canvas/page has finished.
- obj.done();
- }, function (error) {
- console.error(error);
- // Tell the printEngine that rendering this canvas/page has failed.
- // This will make the print process stop.
- if ('abort' in obj) {
- obj.abort();
- } else {
- obj.done();
- }
- });
- };
- }
- function FirefoxPrintService(pdfDocument, pagesOverview, printContainer) {
- this.pdfDocument = pdfDocument;
- this.pagesOverview = pagesOverview;
- this.printContainer = printContainer;
- }
- FirefoxPrintService.prototype = {
- layout: function () {
- var pdfDocument = this.pdfDocument;
- var printContainer = this.printContainer;
- var body = document.querySelector('body');
- body.setAttribute('data-pdfjsprinting', true);
- for (var i = 0, ii = this.pagesOverview.length; i < ii; ++i) {
- composePage(pdfDocument, i + 1, this.pagesOverview[i], printContainer);
- }
- },
- destroy: function () {
- this.printContainer.textContent = '';
- }
- };
- PDFPrintServiceFactory.instance = {
- get supportsPrinting() {
- var canvas = document.createElement('canvas');
- var value = 'mozPrintCallback' in canvas;
- return pdfjsLib.shadow(this, 'supportsPrinting', value);
- },
- createPrintService: function (pdfDocument, pagesOverview, printContainer) {
- return new FirefoxPrintService(pdfDocument, pagesOverview, printContainer);
- }
- };
- exports.FirefoxPrintService = FirefoxPrintService;
- }));
- (function (root, factory) {
- factory(root.pdfjsWebFirefoxCom = {}, root.pdfjsWebPreferences, root.pdfjsWebApp, root.pdfjsWebPDFJS);
- }(this, function (exports, preferences, app, pdfjsLib) {
- var Preferences = preferences.Preferences;
- var PDFViewerApplication = app.PDFViewerApplication;
- var FirefoxCom = function FirefoxComClosure() {
- return {
- /**
- * Creates an event that the extension is listening for and will
- * synchronously respond to.
- * NOTE: It is reccomended to use request() instead since one day we may not
- * be able to synchronously reply.
- * @param {String} action The action to trigger.
- * @param {String} data Optional data to send.
- * @return {*} The response.
- */
- requestSync: function (action, data) {
- var request = document.createTextNode('');
- document.documentElement.appendChild(request);
- var sender = document.createEvent('CustomEvent');
- sender.initCustomEvent('pdf.js.message', true, false, {
- action: action,
- data: data,
- sync: true
- });
- request.dispatchEvent(sender);
- var response = sender.detail.response;
- document.documentElement.removeChild(request);
- return response;
- },
- /**
- * Creates an event that the extension is listening for and will
- * asynchronously respond by calling the callback.
- * @param {String} action The action to trigger.
- * @param {String} data Optional data to send.
- * @param {Function} callback Optional response callback that will be called
- * with one data argument.
- */
- request: function (action, data, callback) {
- var request = document.createTextNode('');
- if (callback) {
- document.addEventListener('pdf.js.response', function listener(event) {
- var node = event.target;
- var response = event.detail.response;
- document.documentElement.removeChild(node);
- document.removeEventListener('pdf.js.response', listener, false);
- return callback(response);
- }, false);
- }
- document.documentElement.appendChild(request);
- var sender = document.createEvent('CustomEvent');
- sender.initCustomEvent('pdf.js.message', true, false, {
- action: action,
- data: data,
- sync: false,
- responseExpected: !!callback
- });
- return request.dispatchEvent(sender);
- }
- };
- }();
- var DownloadManager = function DownloadManagerClosure() {
- function DownloadManager() {
- }
- DownloadManager.prototype = {
- downloadUrl: function DownloadManager_downloadUrl(url, filename) {
- FirefoxCom.request('download', {
- originalUrl: url,
- filename: filename
- });
- },
- downloadData: function DownloadManager_downloadData(data, filename, contentType) {
- var blobUrl = pdfjsLib.createObjectURL(data, contentType, false);
- FirefoxCom.request('download', {
- blobUrl: blobUrl,
- originalUrl: blobUrl,
- filename: filename,
- isAttachment: true
- });
- },
- download: function DownloadManager_download(blob, url, filename) {
- var blobUrl = window.URL.createObjectURL(blob);
- FirefoxCom.request('download', {
- blobUrl: blobUrl,
- originalUrl: url,
- filename: filename
- }, function response(err) {
- if (err && this.onerror) {
- this.onerror(err);
- }
- window.URL.revokeObjectURL(blobUrl);
- }.bind(this));
- }
- };
- return DownloadManager;
- }();
- Preferences._writeToStorage = function (prefObj) {
- return new Promise(function (resolve) {
- FirefoxCom.request('setPreferences', prefObj, resolve);
- });
- };
- Preferences._readFromStorage = function (prefObj) {
- return new Promise(function (resolve) {
- FirefoxCom.request('getPreferences', prefObj, function (prefStr) {
- var readPrefs = JSON.parse(prefStr);
- resolve(readPrefs);
- });
- });
- };
- (function listenFindEvents() {
- var events = [
- 'find',
- 'findagain',
- 'findhighlightallchange',
- 'findcasesensitivitychange'
- ];
- var handleEvent = function (evt) {
- if (!PDFViewerApplication.initialized) {
- return;
- }
- PDFViewerApplication.eventBus.dispatch('find', {
- source: window,
- type: evt.type.substring('find'.length),
- query: evt.detail.query,
- phraseSearch: true,
- caseSensitive: !!evt.detail.caseSensitive,
- highlightAll: !!evt.detail.highlightAll,
- findPrevious: !!evt.detail.findPrevious
- });
- }.bind(this);
- for (var i = 0, len = events.length; i < len; i++) {
- window.addEventListener(events[i], handleEvent);
- }
- }());
- function FirefoxComDataRangeTransport(length, initialData) {
- pdfjsLib.PDFDataRangeTransport.call(this, length, initialData);
- }
- FirefoxComDataRangeTransport.prototype = Object.create(pdfjsLib.PDFDataRangeTransport.prototype);
- FirefoxComDataRangeTransport.prototype.requestDataRange = function FirefoxComDataRangeTransport_requestDataRange(begin, end) {
- FirefoxCom.request('requestDataRange', {
- begin: begin,
- end: end
- });
- };
- FirefoxComDataRangeTransport.prototype.abort = function FirefoxComDataRangeTransport_abort() {
- // Sync call to ensure abort is really started.
- FirefoxCom.requestSync('abortLoading', null);
- };
- PDFViewerApplication.externalServices = {
- updateFindControlState: function (data) {
- FirefoxCom.request('updateFindControlState', data);
- },
- initPassiveLoading: function (callbacks) {
- var pdfDataRangeTransport;
- window.addEventListener('message', function windowMessage(e) {
- if (e.source !== null) {
- // The message MUST originate from Chrome code.
- console.warn('Rejected untrusted message from ' + e.origin);
- return;
- }
- var args = e.data;
- if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) {
- return;
- }
- switch (args.pdfjsLoadAction) {
- case 'supportsRangedLoading':
- pdfDataRangeTransport = new FirefoxComDataRangeTransport(args.length, args.data);
- callbacks.onOpenWithTransport(args.pdfUrl, args.length, pdfDataRangeTransport);
- break;
- case 'range':
- pdfDataRangeTransport.onDataRange(args.begin, args.chunk);
- break;
- case 'rangeProgress':
- pdfDataRangeTransport.onDataProgress(args.loaded);
- break;
- case 'progressiveRead':
- pdfDataRangeTransport.onDataProgressiveRead(args.chunk);
- break;
- case 'progress':
- callbacks.onProgress(args.loaded, args.total);
- break;
- case 'complete':
- if (!args.data) {
- callbacks.onError(args.errorCode);
- break;
- }
- callbacks.onOpenWithData(args.data);
- break;
- }
- });
- FirefoxCom.requestSync('initPassiveLoading', null);
- },
- fallback: function (data, callback) {
- FirefoxCom.request('fallback', data, callback);
- },
- reportTelemetry: function (data) {
- FirefoxCom.request('reportTelemetry', JSON.stringify(data));
- },
- createDownloadManager: function () {
- return new DownloadManager();
- },
- get supportsIntegratedFind() {
- var support = FirefoxCom.requestSync('supportsIntegratedFind');
- return pdfjsLib.shadow(this, 'supportsIntegratedFind', support);
- },
- get supportsDocumentFonts() {
- var support = FirefoxCom.requestSync('supportsDocumentFonts');
- return pdfjsLib.shadow(this, 'supportsDocumentFonts', support);
- },
- get supportsDocumentColors() {
- var support = FirefoxCom.requestSync('supportsDocumentColors');
- return pdfjsLib.shadow(this, 'supportsDocumentColors', support);
- },
- get supportedMouseWheelZoomModifierKeys() {
- var support = FirefoxCom.requestSync('supportedMouseWheelZoomModifierKeys');
- return pdfjsLib.shadow(this, 'supportedMouseWheelZoomModifierKeys', support);
- }
- };
- //// l10n.js for Firefox extension expects services to be set.
- document.mozL10n.setExternalLocalizerServices({
- getLocale: function () {
- return FirefoxCom.requestSync('getLocale', null);
- },
- getStrings: function (key) {
- return FirefoxCom.requestSync('getStrings', key);
- }
- });
- exports.DownloadManager = DownloadManager;
- exports.FirefoxCom = FirefoxCom;
- }));
- }.call(pdfjsWebLibs));
-}
-{
- // FIXME the l10n.js file in the Firefox extension needs global FirefoxCom.
- window.FirefoxCom = pdfjsWebLibs.pdfjsWebFirefoxCom.FirefoxCom;
-}
-function getViewerConfiguration() {
- return {
- appContainer: document.body,
- mainContainer: document.getElementById('viewerContainer'),
- viewerContainer: document.getElementById('viewer'),
- eventBus: null,
- // using global event bus with DOM events
- toolbar: {
- container: document.getElementById('toolbarViewer'),
- numPages: document.getElementById('numPages'),
- pageNumber: document.getElementById('pageNumber'),
- scaleSelectContainer: document.getElementById('scaleSelectContainer'),
- scaleSelect: document.getElementById('scaleSelect'),
- customScaleOption: document.getElementById('customScaleOption'),
- previous: document.getElementById('previous'),
- next: document.getElementById('next'),
- firstPage: document.getElementById('firstPage'),
- lastPage: document.getElementById('lastPage'),
- zoomIn: document.getElementById('zoomIn'),
- zoomOut: document.getElementById('zoomOut'),
- viewFind: document.getElementById('viewFind'),
- openFile: document.getElementById('openFile'),
- print: document.getElementById('print'),
- presentationModeButton: document.getElementById('presentationMode'),
- download: document.getElementById('download'),
- viewBookmark: document.getElementById('viewBookmark')
- },
- secondaryToolbar: {
- toolbar: document.getElementById('secondaryToolbar'),
- toggleButton: document.getElementById('secondaryToolbarToggle'),
- toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
- presentationModeButton: document.getElementById('secondaryPresentationMode'),
- openFileButton: document.getElementById('secondaryOpenFile'),
- printButton: document.getElementById('secondaryPrint'),
- downloadButton: document.getElementById('secondaryDownload'),
- viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
- firstPageButton: document.getElementById('firstPage'),
- lastPageButton: document.getElementById('lastPage'),
- pageRotateCwButton: document.getElementById('pageRotateCw'),
- pageRotateCcwButton: document.getElementById('pageRotateCcw'),
- toggleHandToolButton: document.getElementById('toggleHandTool'),
- documentPropertiesButton: document.getElementById('documentProperties')
- },
- fullscreen: {
- contextFirstPage: document.getElementById('contextFirstPage'),
- contextLastPage: document.getElementById('contextLastPage'),
- contextPageRotateCw: document.getElementById('contextPageRotateCw'),
- contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
- },
- sidebar: {
- // Divs (and sidebar button)
- mainContainer: document.getElementById('mainContainer'),
- outerContainer: document.getElementById('outerContainer'),
- toggleButton: document.getElementById('sidebarToggle'),
- // Buttons
- thumbnailButton: document.getElementById('viewThumbnail'),
- outlineButton: document.getElementById('viewOutline'),
- attachmentsButton: document.getElementById('viewAttachments'),
- // Views
- thumbnailView: document.getElementById('thumbnailView'),
- outlineView: document.getElementById('outlineView'),
- attachmentsView: document.getElementById('attachmentsView')
- },
- findBar: {
- bar: document.getElementById('findbar'),
- toggleButton: document.getElementById('viewFind'),
- findField: document.getElementById('findInput'),
- highlightAllCheckbox: document.getElementById('findHighlightAll'),
- caseSensitiveCheckbox: document.getElementById('findMatchCase'),
- findMsg: document.getElementById('findMsg'),
- findResultsCount: document.getElementById('findResultsCount'),
- findStatusIcon: document.getElementById('findStatusIcon'),
- findPreviousButton: document.getElementById('findPrevious'),
- findNextButton: document.getElementById('findNext')
- },
- passwordOverlay: {
- overlayName: 'passwordOverlay',
- container: document.getElementById('passwordOverlay'),
- label: document.getElementById('passwordText'),
- input: document.getElementById('password'),
- submitButton: document.getElementById('passwordSubmit'),
- cancelButton: document.getElementById('passwordCancel')
- },
- documentProperties: {
- overlayName: 'documentPropertiesOverlay',
- container: document.getElementById('documentPropertiesOverlay'),
- closeButton: document.getElementById('documentPropertiesClose'),
- fields: {
- 'fileName': document.getElementById('fileNameField'),
- 'fileSize': document.getElementById('fileSizeField'),
- 'title': document.getElementById('titleField'),
- 'author': document.getElementById('authorField'),
- 'subject': document.getElementById('subjectField'),
- 'keywords': document.getElementById('keywordsField'),
- 'creationDate': document.getElementById('creationDateField'),
- 'modificationDate': document.getElementById('modificationDateField'),
- 'creator': document.getElementById('creatorField'),
- 'producer': document.getElementById('producerField'),
- 'version': document.getElementById('versionField'),
- 'pageCount': document.getElementById('pageCountField')
- }
- },
- errorWrapper: {
- container: document.getElementById('errorWrapper'),
- errorMessage: document.getElementById('errorMessage'),
- closeButton: document.getElementById('errorClose'),
- errorMoreInfo: document.getElementById('errorMoreInfo'),
- moreInfoButton: document.getElementById('errorShowMore'),
- lessInfoButton: document.getElementById('errorShowLess')
- },
- printContainer: document.getElementById('printContainer'),
- openFileInputName: 'fileInput',
- debuggerScriptPath: './debugger.js'
- };
-}
-function webViewerLoad() {
- var config = getViewerConfiguration();
- window.PDFViewerApplication = pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication;
- pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication.run(config);
-}
-document.addEventListener('DOMContentLoaded', webViewerLoad, true); \ No newline at end of file