diff --git a/ViewerJS/compatibility.js b/ViewerJS/compatibility.js
deleted file mode 100644
index 06f54bff06..0000000000
--- a/ViewerJS/compatibility.js
+++ /dev/null
@@ -1,577 +0,0 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-/* 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 VBArray, PDFJS */
-
-'use strict';
-
-// Initializing PDFJS global object here, it case if we need to change/disable
-// some PDF.js features, e.g. range requests
-if (typeof PDFJS === 'undefined') {
- (typeof window !== 'undefined' ? window : this).PDFJS = {};
-}
-
-// Checking if the typed arrays are supported
-// Support: iOS<6.0 (subarray), IE<10, Android<4.0
-(function checkTypedArrayCompatibility() {
- if (typeof Uint8Array !== 'undefined') {
- // Support: iOS<6.0
- if (typeof Uint8Array.prototype.subarray === 'undefined') {
- Uint8Array.prototype.subarray = function subarray(start, end) {
- return new Uint8Array(this.slice(start, end));
- };
- Float32Array.prototype.subarray = function subarray(start, end) {
- return new Float32Array(this.slice(start, end));
- };
- }
-
- // Support: Android<4.1
- if (typeof Float64Array === 'undefined') {
- window.Float64Array = Float32Array;
- }
- return;
- }
-
- function subarray(start, end) {
- return new TypedArray(this.slice(start, end));
- }
-
- function setArrayOffset(array, offset) {
- if (arguments.length < 2) {
- offset = 0;
- }
- for (var i = 0, n = array.length; i < n; ++i, ++offset) {
- this[offset] = array[i] & 0xFF;
- }
- }
-
- function TypedArray(arg1) {
- var result, i, n;
- if (typeof arg1 === 'number') {
- result = [];
- for (i = 0; i < arg1; ++i) {
- result[i] = 0;
- }
- } else if ('slice' in arg1) {
- result = arg1.slice(0);
- } else {
- result = [];
- for (i = 0, n = arg1.length; i < n; ++i) {
- result[i] = arg1[i];
- }
- }
-
- result.subarray = subarray;
- result.buffer = result;
- result.byteLength = result.length;
- result.set = setArrayOffset;
-
- if (typeof arg1 === 'object' && arg1.buffer) {
- result.buffer = arg1.buffer;
- }
- return result;
- }
-
- window.Uint8Array = TypedArray;
- window.Int8Array = TypedArray;
-
- // we don't need support for set, byteLength for 32-bit array
- // so we can use the TypedArray as well
- window.Uint32Array = TypedArray;
- window.Int32Array = TypedArray;
- window.Uint16Array = TypedArray;
- window.Float32Array = TypedArray;
- window.Float64Array = TypedArray;
-})();
-
-// URL = URL || webkitURL
-// Support: Safari<7, Android 4.2+
-(function normalizeURLObject() {
- if (!window.URL) {
- window.URL = window.webkitURL;
- }
-})();
-
-// Object.defineProperty()?
-// Support: Android<4.0, Safari<5.1
-(function checkObjectDefinePropertyCompatibility() {
- if (typeof Object.defineProperty !== 'undefined') {
- var definePropertyPossible = true;
- try {
- // some browsers (e.g. safari) cannot use defineProperty() on DOM objects
- // and thus the native version is not sufficient
- Object.defineProperty(new Image(), 'id', { value: 'test' });
- // ... another test for android gb browser for non-DOM objects
- var Test = function Test() {};
- Test.prototype = { get id() { } };
- Object.defineProperty(new Test(), 'id',
- { value: '', configurable: true, enumerable: true, writable: false });
- } catch (e) {
- definePropertyPossible = false;
- }
- if (definePropertyPossible) {
- return;
- }
- }
-
- Object.defineProperty = function objectDefineProperty(obj, name, def) {
- delete obj[name];
- if ('get' in def) {
- obj.__defineGetter__(name, def['get']);
- }
- if ('set' in def) {
- obj.__defineSetter__(name, def['set']);
- }
- if ('value' in def) {
- obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
- this.__defineGetter__(name, function objectDefinePropertyGetter() {
- return value;
- });
- return value;
- });
- obj[name] = def.value;
- }
- };
-})();
-
-
-// No XMLHttpRequest#response?
-// Support: IE<11, Android <4.0
-(function checkXMLHttpRequestResponseCompatibility() {
- var xhrPrototype = XMLHttpRequest.prototype;
- var xhr = new XMLHttpRequest();
- if (!('overrideMimeType' in xhr)) {
- // IE10 might have response, but not overrideMimeType
- // Support: IE10
- Object.defineProperty(xhrPrototype, 'overrideMimeType', {
- value: function xmlHttpRequestOverrideMimeType(mimeType) {}
- });
- }
- if ('responseType' in xhr) {
- return;
- }
-
- // The worker will be using XHR, so we can save time and disable worker.
- PDFJS.disableWorker = true;
-
- Object.defineProperty(xhrPrototype, 'responseType', {
- get: function xmlHttpRequestGetResponseType() {
- return this._responseType || 'text';
- },
- set: function xmlHttpRequestSetResponseType(value) {
- if (value === 'text' || value === 'arraybuffer') {
- this._responseType = value;
- if (value === 'arraybuffer' &&
- typeof this.overrideMimeType === 'function') {
- this.overrideMimeType('text/plain; charset=x-user-defined');
- }
- }
- }
- });
-
- // Support: IE9
- if (typeof VBArray !== 'undefined') {
- Object.defineProperty(xhrPrototype, 'response', {
- get: function xmlHttpRequestResponseGet() {
- if (this.responseType === 'arraybuffer') {
- return new Uint8Array(new VBArray(this.responseBody).toArray());
- } else {
- return this.responseText;
- }
- }
- });
- return;
- }
-
- Object.defineProperty(xhrPrototype, 'response', {
- get: function xmlHttpRequestResponseGet() {
- if (this.responseType !== 'arraybuffer') {
- return this.responseText;
- }
- var text = this.responseText;
- var i, n = text.length;
- var result = new Uint8Array(n);
- for (i = 0; i < n; ++i) {
- result[i] = text.charCodeAt(i) & 0xFF;
- }
- return result.buffer;
- }
- });
-})();
-
-// window.btoa (base64 encode function) ?
-// Support: IE<10
-(function checkWindowBtoaCompatibility() {
- if ('btoa' in window) {
- return;
- }
-
- var digits =
- 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
- window.btoa = function windowBtoa(chars) {
- var buffer = '';
- var i, n;
- for (i = 0, n = chars.length; i < n; i += 3) {
- var b1 = chars.charCodeAt(i) & 0xFF;
- var b2 = chars.charCodeAt(i + 1) & 0xFF;
- var b3 = chars.charCodeAt(i + 2) & 0xFF;
- var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
- var d3 = i + 1 < n ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
- var d4 = i + 2 < n ? (b3 & 0x3F) : 64;
- buffer += (digits.charAt(d1) + digits.charAt(d2) +
- digits.charAt(d3) + digits.charAt(d4));
- }
- return buffer;
- };
-})();
-
-// window.atob (base64 encode function)?
-// Support: IE<10
-(function checkWindowAtobCompatibility() {
- if ('atob' in window) {
- return;
- }
-
- // https://github.com/davidchambers/Base64.js
- var digits =
- 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
- window.atob = function (input) {
- input = input.replace(/=+$/, '');
- if (input.length % 4 === 1) {
- throw new Error('bad atob input');
- }
- for (
- // initialize result and counters
- var bc = 0, bs, buffer, idx = 0, output = '';
- // get next character
- buffer = input.charAt(idx++);
- // character found in table?
- // initialize bit storage and add its ascii value
- ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
- // and if not first of each 4 characters,
- // convert the first 8 bits to one ascii character
- bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
- ) {
- // try to find character in table (0-63, not found => -1)
- buffer = digits.indexOf(buffer);
- }
- return output;
- };
-})();
-
-// Function.prototype.bind?
-// Support: Android<4.0, iOS<6.0
-(function checkFunctionPrototypeBindCompatibility() {
- if (typeof Function.prototype.bind !== 'undefined') {
- return;
- }
-
- Function.prototype.bind = function functionPrototypeBind(obj) {
- var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
- var bound = function functionPrototypeBindBound() {
- var args = headArgs.concat(Array.prototype.slice.call(arguments));
- return fn.apply(obj, args);
- };
- return bound;
- };
-})();
-
-// HTMLElement dataset property
-// Support: IE<11, Safari<5.1, Android<4.0
-(function checkDatasetProperty() {
- var div = document.createElement('div');
- if ('dataset' in div) {
- return; // dataset property exists
- }
-
- Object.defineProperty(HTMLElement.prototype, 'dataset', {
- get: function() {
- if (this._dataset) {
- return this._dataset;
- }
-
- var dataset = {};
- for (var j = 0, jj = this.attributes.length; j < jj; j++) {
- var attribute = this.attributes[j];
- if (attribute.name.substring(0, 5) !== 'data-') {
- continue;
- }
- var key = attribute.name.substring(5).replace(/\-([a-z])/g,
- function(all, ch) {
- return ch.toUpperCase();
- });
- dataset[key] = attribute.value;
- }
-
- Object.defineProperty(this, '_dataset', {
- value: dataset,
- writable: false,
- enumerable: false
- });
- return dataset;
- },
- enumerable: true
- });
-})();
-
-// HTMLElement classList property
-// Support: IE<10, Android<4.0, iOS<5.0
-(function checkClassListProperty() {
- var div = document.createElement('div');
- if ('classList' in div) {
- return; // classList property exists
- }
-
- function changeList(element, itemName, add, remove) {
- var s = element.className || '';
- var list = s.split(/\s+/g);
- if (list[0] === '') {
- list.shift();
- }
- var index = list.indexOf(itemName);
- if (index < 0 && add) {
- list.push(itemName);
- }
- if (index >= 0 && remove) {
- list.splice(index, 1);
- }
- element.className = list.join(' ');
- return (index >= 0);
- }
-
- var classListPrototype = {
- add: function(name) {
- changeList(this.element, name, true, false);
- },
- contains: function(name) {
- return changeList(this.element, name, false, false);
- },
- remove: function(name) {
- changeList(this.element, name, false, true);
- },
- toggle: function(name) {
- changeList(this.element, name, true, true);
- }
- };
-
- Object.defineProperty(HTMLElement.prototype, 'classList', {
- get: function() {
- if (this._classList) {
- return this._classList;
- }
-
- var classList = Object.create(classListPrototype, {
- element: {
- value: this,
- writable: false,
- enumerable: true
- }
- });
- Object.defineProperty(this, '_classList', {
- value: classList,
- writable: false,
- enumerable: false
- });
- return classList;
- },
- enumerable: true
- });
-})();
-
-// Check console compatibility
-// In older IE versions the console object is not available
-// unless console is open.
-// Support: IE<10
-(function checkConsoleCompatibility() {
- if (!('console' in window)) {
- window.console = {
- log: function() {},
- error: function() {},
- warn: function() {}
- };
- } else if (!('bind' in console.log)) {
- // native functions in IE9 might not have bind
- console.log = (function(fn) {
- return function(msg) { return fn(msg); };
- })(console.log);
- console.error = (function(fn) {
- return function(msg) { return fn(msg); };
- })(console.error);
- console.warn = (function(fn) {
- return function(msg) { return fn(msg); };
- })(console.warn);
- }
-})();
-
-// Check onclick compatibility in Opera
-// Support: Opera<15
-(function checkOnClickCompatibility() {
- // workaround for reported Opera bug DSK-354448:
- // onclick fires on disabled buttons with opaque content
- function ignoreIfTargetDisabled(event) {
- if (isDisabled(event.target)) {
- event.stopPropagation();
- }
- }
- function isDisabled(node) {
- return node.disabled || (node.parentNode && isDisabled(node.parentNode));
- }
- if (navigator.userAgent.indexOf('Opera') !== -1) {
- // use browser detection since we cannot feature-check this bug
- document.addEventListener('click', ignoreIfTargetDisabled, true);
- }
-})();
-
-// Checks if possible to use URL.createObjectURL()
-// Support: IE
-(function checkOnBlobSupport() {
- // sometimes IE loosing the data created with createObjectURL(), see #3977
- if (navigator.userAgent.indexOf('Trident') >= 0) {
- PDFJS.disableCreateObjectURL = true;
- }
-})();
-
-// Checks if navigator.language is supported
-(function checkNavigatorLanguage() {
- if ('language' in navigator) {
- return;
- }
- PDFJS.locale = navigator.userLanguage || 'en-US';
-})();
-
-(function checkRangeRequests() {
- // Safari has issues with cached range requests see:
- // https://github.com/mozilla/pdf.js/issues/3260
- // Last tested with version 6.0.4.
- // Support: Safari 6.0+
- var isSafari = Object.prototype.toString.call(
- window.HTMLElement).indexOf('Constructor') > 0;
-
- // Older versions of Android (pre 3.0) has issues with range requests, see:
- // https://github.com/mozilla/pdf.js/issues/3381.
- // Make sure that we only match webkit-based Android browsers,
- // since Firefox/Fennec works as expected.
- // Support: Android<3.0
- var regex = /Android\s[0-2][^\d]/;
- var isOldAndroid = regex.test(navigator.userAgent);
-
- // Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
- var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent);
-
- if (isSafari || isOldAndroid || isChromeWithRangeBug) {
- PDFJS.disableRange = true;
- PDFJS.disableStream = true;
- }
-})();
-
-// Check if the browser supports manipulation of the history.
-// Support: IE<10, Android<4.2
-(function checkHistoryManipulation() {
- // Android 2.x has so buggy pushState support that it was removed in
- // Android 3.0 and restored as late as in Android 4.2.
- // Support: Android 2.x
- if (!history.pushState || navigator.userAgent.indexOf('Android 2.') >= 0) {
- PDFJS.disableHistory = true;
- }
-})();
-
-// Support: IE<11, Chrome<21, Android<4.4, Safari<6
-(function checkSetPresenceInImageData() {
- // IE < 11 will use window.CanvasPixelArray which lacks set function.
- if (window.CanvasPixelArray) {
- if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
- window.CanvasPixelArray.prototype.set = function(arr) {
- for (var i = 0, ii = this.length; i < ii; i++) {
- this[i] = arr[i];
- }
- };
- }
- } else {
- // Old Chrome and Android use an inaccessible CanvasPixelArray prototype.
- // Because we cannot feature detect it, we rely on user agent parsing.
- var polyfill = false, versionMatch;
- if (navigator.userAgent.indexOf('Chrom') >= 0) {
- versionMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
- // Chrome < 21 lacks the set function.
- polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
- } else if (navigator.userAgent.indexOf('Android') >= 0) {
- // Android < 4.4 lacks the set function.
- // Android >= 4.4 will contain Chrome in the user agent,
- // thus pass the Chrome check above and not reach this block.
- polyfill = /Android\s[0-4][^\d]/g.test(navigator.userAgent);
- } else if (navigator.userAgent.indexOf('Safari') >= 0) {
- versionMatch = navigator.userAgent.
- match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
- // Safari < 6 lacks the set function.
- polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
- }
-
- if (polyfill) {
- var contextPrototype = window.CanvasRenderingContext2D.prototype;
- contextPrototype._createImageData = contextPrototype.createImageData;
- contextPrototype.createImageData = function(w, h) {
- var imageData = this._createImageData(w, h);
- imageData.data.set = function(arr) {
- for (var i = 0, ii = this.length; i < ii; i++) {
- this[i] = arr[i];
- }
- };
- return imageData;
- };
- }
- }
-})();
-
-// Support: IE<10, Android<4.0, iOS
-(function checkRequestAnimationFrame() {
- function fakeRequestAnimationFrame(callback) {
- window.setTimeout(callback, 20);
- }
-
- var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
- if (isIOS) {
- // requestAnimationFrame on iOS is broken, replacing with fake one.
- window.requestAnimationFrame = fakeRequestAnimationFrame;
- return;
- }
- if ('requestAnimationFrame' in window) {
- return;
- }
- window.requestAnimationFrame =
- window.mozRequestAnimationFrame ||
- window.webkitRequestAnimationFrame ||
- fakeRequestAnimationFrame;
-})();
-
-(function checkCanvasSizeLimitation() {
- var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
- var isAndroid = /Android/g.test(navigator.userAgent);
- if (isIOS || isAndroid) {
- // 5MP
- PDFJS.maxCanvasPixels = 5242880;
- }
-})();
-
-// Disable fullscreen support for certain problematic configurations.
-// Support: IE11+ (when embedded).
-(function checkFullscreenSupport() {
- var isEmbeddedIE = (navigator.userAgent.indexOf('Trident') >= 0 &&
- window.parent !== window);
- if (isEmbeddedIE) {
- PDFJS.disableFullscreen = true;
- }
-})();
diff --git a/ViewerJS/example.local.css b/ViewerJS/example.local.css
deleted file mode 100644
index 034347d489..0000000000
--- a/ViewerJS/example.local.css
+++ /dev/null
@@ -1,27 +0,0 @@
-/* This is just a sample file with CSS rules. You should write your own @font-face declarations
- * to add support for your desired fonts.
- */
-
-@font-face {
- font-family: 'Novecentowide Book';
- src: url("/ViewerJS/fonts/Novecentowide-Bold-webfont.eot");
- src: url("/ViewerJS/fonts/Novecentowide-Bold-webfont.eot?#iefix") format("embedded-opentype"),
- url("/ViewerJS/fonts/Novecentowide-Bold-webfont.woff") format("woff"),
- url("/fonts/Novecentowide-Bold-webfont.ttf") format("truetype"),
- url("/fonts/Novecentowide-Bold-webfont.svg#NovecentowideBookBold") format("svg");
- font-weight: normal;
- font-style: normal;
-}
-
-@font-face {
- font-family: 'exotica';
- src: url('/ViewerJS/fonts/Exotica-webfont.eot');
- src: url('/ViewerJS/fonts/Exotica-webfont.eot?#iefix') format('embedded-opentype'),
- url('/ViewerJS/fonts/Exotica-webfont.woff') format('woff'),
- url('/ViewerJS/fonts/Exotica-webfont.ttf') format('truetype'),
- url('/ViewerJS/fonts/Exotica-webfont.svg#exoticamedium') format('svg');
- font-weight: normal;
- font-style: normal;
-
-}
-
diff --git a/ViewerJS/images/kogmbh.png b/ViewerJS/images/kogmbh.png
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diff --git a/ViewerJS/images/nlnet.png b/ViewerJS/images/nlnet.png
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diff --git a/ViewerJS/images/texture.png b/ViewerJS/images/texture.png
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diff --git a/ViewerJS/images/toolbarButton-download.png b/ViewerJS/images/toolbarButton-download.png
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diff --git a/ViewerJS/images/toolbarButton-fullscreen.png b/ViewerJS/images/toolbarButton-fullscreen.png
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diff --git a/ViewerJS/images/toolbarButton-menuArrows.png b/ViewerJS/images/toolbarButton-menuArrows.png
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diff --git a/ViewerJS/images/toolbarButton-pageDown.png b/ViewerJS/images/toolbarButton-pageDown.png
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diff --git a/ViewerJS/images/toolbarButton-pageUp.png b/ViewerJS/images/toolbarButton-pageUp.png
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diff --git a/ViewerJS/images/toolbarButton-presentation.png b/ViewerJS/images/toolbarButton-presentation.png
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index 0f224232b8..0000000000
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diff --git a/ViewerJS/images/toolbarButton-zoomIn.png b/ViewerJS/images/toolbarButton-zoomIn.png
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index 670acd93f5..0000000000
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diff --git a/ViewerJS/images/toolbarButton-zoomOut.png b/ViewerJS/images/toolbarButton-zoomOut.png
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index 810fbf9895..0000000000
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diff --git a/ViewerJS/index.html b/ViewerJS/index.html
deleted file mode 100644
index 2eb1fd4736..0000000000
--- a/ViewerJS/index.html
+++ /dev/null
@@ -1,145 +0,0 @@
-
-
-
-
-
-
-
- ViewerJS
-
-
-
-
-
-
-
-
-
diff --git a/ViewerJS/pdf.js b/ViewerJS/pdf.js
deleted file mode 100644
index 463d7d0ff0..0000000000
--- a/ViewerJS/pdf.js
+++ /dev/null
@@ -1,8052 +0,0 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-/* 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 globalstrict: false */
-/* globals PDFJS */
-
-// Initializing PDFJS global object (if still undefined)
-if (typeof PDFJS === 'undefined') {
- (typeof window !== 'undefined' ? window : this).PDFJS = {};
-}
-
-PDFJS.version = '1.1.114';
-PDFJS.build = '3fd44fd';
-
-(function pdfjsWrapper() {
- // Use strict in our context only - users might not want it
- 'use strict';
-
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-/* 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 Cmd, ColorSpace, Dict, MozBlobBuilder, Name, PDFJS, Ref, URL,
- Promise */
-
-'use strict';
-
-var globalScope = (typeof window === 'undefined') ? this : window;
-
-var isWorker = (typeof window === 'undefined');
-
-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 = {
- WIDGET: 1,
- TEXT: 2,
- LINK: 3
-};
-
-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
-};
-
-// The global PDFJS object exposes the API
-// In production, it will be declared outside a global wrapper
-// In development, it will be declared here
-if (!globalScope.PDFJS) {
- globalScope.PDFJS = {};
-}
-
-globalScope.PDFJS.pdfBug = false;
-
-PDFJS.VERBOSITY_LEVELS = {
- errors: 0,
- warnings: 1,
- infos: 5
-};
-
-// All the possible operations for an operator list.
-var OPS = PDFJS.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
-};
-
-// 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 (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.infos) {
- console.log('Info: ' + msg);
- }
-}
-
-// Non-fatal warnings.
-function warn(msg) {
- if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.warnings) {
- console.log('Warning: ' + msg);
- }
-}
-
-// Fatal errors that should trigger the fallback UI and halt execution by
-// throwing an exception.
-function error(msg) {
- if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) {
- console.log('Error: ' + msg);
- console.log(backtrace());
- }
- UnsupportedManager.notify(UNSUPPORTED_FEATURES.unknown);
- 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 = PDFJS.UNSUPPORTED_FEATURES = {
- unknown: 'unknown',
- forms: 'forms',
- javaScript: 'javaScript',
- smask: 'smask',
- shadingPattern: 'shadingPattern',
- font: 'font'
-};
-
-var UnsupportedManager = PDFJS.UnsupportedManager =
- (function UnsupportedManagerClosure() {
- var listeners = [];
- return {
- listen: function (cb) {
- listeners.push(cb);
- },
- notify: function (featureId) {
- warn('Unsupported feature "' + featureId + '"');
- for (var i = 0, ii = listeners.length; i < ii; i++) {
- listeners[i](featureId);
- }
- }
- };
-})();
-
-// Combines two URLs. The baseUrl shall be absolute URL. If the url is an
-// absolute URL, it will be returned as is.
-function combineUrl(baseUrl, url) {
- if (!url) {
- return baseUrl;
- }
- if (/^[a-z][a-z0-9+\-.]*:/i.test(url)) {
- return url;
- }
- var i;
- if (url.charAt(0) === '/') {
- // absolute path
- i = baseUrl.indexOf('://');
- if (url.charAt(1) === '/') {
- ++i;
- } else {
- i = baseUrl.indexOf('/', i + 3);
- }
- return baseUrl.substring(0, i) + url;
- } else {
- // relative path
- var pathLength = baseUrl.length;
- i = baseUrl.lastIndexOf('#');
- pathLength = i >= 0 ? i : pathLength;
- i = baseUrl.lastIndexOf('?', pathLength);
- pathLength = i >= 0 ? i : pathLength;
- var prefixLength = baseUrl.lastIndexOf('/', pathLength);
- return baseUrl.substring(0, prefixLength + 1) + url;
- }
-}
-
-// Validates if URL is safe and allowed, e.g. to avoid XSS.
-function isValidUrl(url, allowRelative) {
- if (!url) {
- return false;
- }
- // RFC 3986 (http://tools.ietf.org/html/rfc3986#section-3.1)
- // scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
- var protocol = /^[a-z][a-z0-9+\-.]*(?=:)/i.exec(url);
- if (!protocol) {
- return allowRelative;
- }
- protocol = protocol[0].toLowerCase();
- switch (protocol) {
- case 'http':
- case 'https':
- case 'ftp':
- case 'mailto':
- case 'tel':
- return true;
- default:
- return false;
- }
-}
-PDFJS.isValidUrl = isValidUrl;
-
-function shadow(obj, prop, value) {
- Object.defineProperty(obj, prop, { value: value,
- enumerable: true,
- configurable: true,
- writable: false });
- return value;
-}
-PDFJS.shadow = shadow;
-
-var PasswordResponses = PDFJS.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;
-})();
-PDFJS.PasswordException = 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;
-})();
-PDFJS.UnknownErrorException = UnknownErrorException;
-
-var InvalidPDFException = (function InvalidPDFExceptionClosure() {
- function InvalidPDFException(msg) {
- this.name = 'InvalidPDFException';
- this.message = msg;
- }
-
- InvalidPDFException.prototype = new Error();
- InvalidPDFException.constructor = InvalidPDFException;
-
- return InvalidPDFException;
-})();
-PDFJS.InvalidPDFException = InvalidPDFException;
-
-var MissingPDFException = (function MissingPDFExceptionClosure() {
- function MissingPDFException(msg) {
- this.name = 'MissingPDFException';
- this.message = msg;
- }
-
- MissingPDFException.prototype = new Error();
- MissingPDFException.constructor = MissingPDFException;
-
- return MissingPDFException;
-})();
-PDFJS.MissingPDFException = 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;
-})();
-PDFJS.UnexpectedResponseException = 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;
-})();
-
-
-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;
-}
-
-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);
-}
-
-Object.defineProperty(PDFJS, 'isLittleEndian', {
- configurable: true,
- get: function PDFJS_isLittleEndian() {
- return shadow(PDFJS, 'isLittleEndian', isLittleEndian());
- }
-});
-
-//#if !(FIREFOX || MOZCENTRAL || B2G || CHROME)
-//// Lazy test if the userAgant support CanvasTypedArrays
-function hasCanvasTypedArrays() {
- var canvas = document.createElement('canvas');
- canvas.width = canvas.height = 1;
- var ctx = canvas.getContext('2d');
- var imageData = ctx.createImageData(1, 1);
- return (typeof imageData.data.buffer !== 'undefined');
-}
-
-Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
- configurable: true,
- get: function PDFJS_hasCanvasTypedArrays() {
- return shadow(PDFJS, 'hasCanvasTypedArrays', hasCanvasTypedArrays());
- }
-});
-
-var Uint32ArrayView = (function Uint32ArrayViewClosure() {
-
- function Uint32ArrayView(buffer, length) {
- this.buffer = buffer;
- this.byteLength = buffer.length;
- this.length = length === undefined ? (this.byteLength >> 2) : length;
- ensureUint32ArrayViewProps(this.length);
- }
- Uint32ArrayView.prototype = Object.create(null);
-
- var uint32ArrayViewSetters = 0;
- function createUint32ArrayProp(index) {
- return {
- get: function () {
- var buffer = this.buffer, offset = index << 2;
- return (buffer[offset] | (buffer[offset + 1] << 8) |
- (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0;
- },
- set: function (value) {
- var buffer = this.buffer, offset = index << 2;
- buffer[offset] = value & 255;
- buffer[offset + 1] = (value >> 8) & 255;
- buffer[offset + 2] = (value >> 16) & 255;
- buffer[offset + 3] = (value >>> 24) & 255;
- }
- };
- }
-
- function ensureUint32ArrayViewProps(length) {
- while (uint32ArrayViewSetters < length) {
- Object.defineProperty(Uint32ArrayView.prototype,
- uint32ArrayViewSetters,
- createUint32ArrayProp(uint32ArrayViewSetters));
- uint32ArrayViewSetters++;
- }
- }
-
- return Uint32ArrayView;
-})();
-//#else
-//PDFJS.hasCanvasTypedArrays = true;
-//#endif
-
-var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
-
-var Util = PDFJS.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;
- };
-
- 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) {
- while (dict && !dict.has(name)) {
- dict = dict.get('Parent');
- }
- if (!dict) {
- return null;
- }
- return 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 PDFJS.PageViewport
- */
-var PageViewport = PDFJS.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 PDFJS.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 {PDFJS.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 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 isName(v) {
- return v instanceof Name;
-}
-
-function isCmd(v, cmd) {
- return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
-}
-
-function isDict(v, type) {
- if (!(v instanceof Dict)) {
- return false;
- }
- if (!type) {
- return true;
- }
- var dictType = v.get('Type');
- return isName(dictType) && dictType.name === type;
-}
-
-function isArray(v) {
- return v instanceof Array;
-}
-
-function isStream(v) {
- return typeof v === 'object' && v !== null && v.getBytes !== undefined;
-}
-
-function isArrayBuffer(v) {
- return typeof v === 'object' && v !== null && v.byteLength !== undefined;
-}
-
-function isRef(v) {
- return v instanceof Ref;
-}
-
-/**
- * Promise Capability object.
- *
- * @typedef {Object} PromiseCapability
- * @property {Promise} promise - A promise object.
- * @property {function} resolve - Fullfills the promise.
- * @property {function} reject - Rejects the promise.
- */
-
-/**
- * Creates a promise capability object.
- * @alias PDFJS.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;
-}
-
-PDFJS.createPromiseCapability = createPromiseCapability;
-
-/**
- * Polyfill for Promises:
- * The following promise implementation tries to generally implement the
- * Promise/A+ spec. Some notable differences from other promise libaries are:
- * - There currently isn't a seperate 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;
- }
-//#if !MOZCENTRAL
- var STATUS_PENDING = 0;
- var STATUS_RESOLVED = 1;
- var STATUS_REJECTED = 2;
-
- // In an attempt to avoid silent exceptions, unhandled rejections are
- // tracked and if they aren't handled in a certain amount of time an
- // error is logged.
- var REJECTION_TIMEOUT = 500;
-
- var HandlerManager = {
- handlers: [],
- running: false,
- unhandledRejections: [],
- pendingRejectionCheck: false,
-
- scheduleHandlers: function scheduleHandlers(promise) {
- if (promise._status === STATUS_PENDING) {
- return;
- }
-
- this.handlers = this.handlers.concat(promise._handlers);
- promise._handlers = [];
-
- if (this.running) {
- return;
- }
- this.running = true;
-
- setTimeout(this.runHandlers.bind(this), 0);
- },
-
- runHandlers: function runHandlers() {
- var RUN_TIMEOUT = 1; // ms
- var timeoutAt = Date.now() + RUN_TIMEOUT;
- while (this.handlers.length > 0) {
- var handler = this.handlers.shift();
-
- var nextStatus = handler.thisPromise._status;
- var nextValue = handler.thisPromise._value;
-
- try {
- if (nextStatus === STATUS_RESOLVED) {
- if (typeof handler.onResolve === 'function') {
- nextValue = handler.onResolve(nextValue);
- }
- } else if (typeof handler.onReject === 'function') {
- nextValue = handler.onReject(nextValue);
- nextStatus = STATUS_RESOLVED;
-
- if (handler.thisPromise._unhandledRejection) {
- this.removeUnhandeledRejection(handler.thisPromise);
- }
- }
- } catch (ex) {
- nextStatus = STATUS_REJECTED;
- nextValue = ex;
- }
-
- handler.nextPromise._updateStatus(nextStatus, nextValue);
- if (Date.now() >= timeoutAt) {
- break;
- }
- }
-
- if (this.handlers.length > 0) {
- setTimeout(this.runHandlers.bind(this), 0);
- return;
- }
-
- this.running = false;
- },
-
- addUnhandledRejection: function addUnhandledRejection(promise) {
- this.unhandledRejections.push({
- promise: promise,
- time: Date.now()
- });
- this.scheduleRejectionCheck();
- },
-
- removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
- promise._unhandledRejection = false;
- for (var i = 0; i < this.unhandledRejections.length; i++) {
- if (this.unhandledRejections[i].promise === promise) {
- this.unhandledRejections.splice(i);
- i--;
- }
- }
- },
-
- scheduleRejectionCheck: function scheduleRejectionCheck() {
- if (this.pendingRejectionCheck) {
- return;
- }
- this.pendingRejectionCheck = true;
- setTimeout(function rejectionCheck() {
- this.pendingRejectionCheck = false;
- var now = Date.now();
- for (var i = 0; i < this.unhandledRejections.length; i++) {
- if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
- var unhandled = this.unhandledRejections[i].promise._value;
- var msg = 'Unhandled rejection: ' + unhandled;
- if (unhandled.stack) {
- msg += '\n' + unhandled.stack;
- }
- warn(msg);
- this.unhandledRejections.splice(i);
- i--;
- }
- }
- if (this.unhandledRejections.length) {
- this.scheduleRejectionCheck();
- }
- }.bind(this), REJECTION_TIMEOUT);
- }
- };
-
- function Promise(resolver) {
- this._status = STATUS_PENDING;
- this._handlers = [];
- try {
- resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
- } catch (e) {
- this._reject(e);
- }
- }
- /**
- * Builds a promise that is resolved when all the passed in promises are
- * resolved.
- * @param {array} array of data and/or promises to wait for.
- * @return {Promise} New dependant promise.
- */
- Promise.all = function Promise_all(promises) {
- var resolveAll, rejectAll;
- var deferred = new Promise(function (resolve, reject) {
- resolveAll = resolve;
- rejectAll = reject;
- });
- var unresolved = promises.length;
- var results = [];
- if (unresolved === 0) {
- resolveAll(results);
- return deferred;
- }
- function reject(reason) {
- if (deferred._status === STATUS_REJECTED) {
- return;
- }
- results = [];
- rejectAll(reason);
- }
- for (var i = 0, ii = promises.length; i < ii; ++i) {
- var promise = promises[i];
- var resolve = (function(i) {
- return function(value) {
- if (deferred._status === STATUS_REJECTED) {
- return;
- }
- results[i] = value;
- unresolved--;
- if (unresolved === 0) {
- resolveAll(results);
- }
- };
- })(i);
- if (Promise.isPromise(promise)) {
- promise.then(resolve, reject);
- } else {
- resolve(promise);
- }
- }
- return deferred;
- };
-
- /**
- * Checks if the value is likely a promise (has a 'then' function).
- * @return {boolean} true if value is thenable
- */
- Promise.isPromise = function Promise_isPromise(value) {
- return value && typeof value.then === 'function';
- };
-
- /**
- * Creates resolved promise
- * @param value resolve value
- * @returns {Promise}
- */
- Promise.resolve = function Promise_resolve(value) {
- return new Promise(function (resolve) { resolve(value); });
- };
-
- /**
- * Creates rejected promise
- * @param reason rejection value
- * @returns {Promise}
- */
- Promise.reject = function Promise_reject(reason) {
- return new Promise(function (resolve, reject) { reject(reason); });
- };
-
- Promise.prototype = {
- _status: null,
- _value: null,
- _handlers: null,
- _unhandledRejection: null,
-
- _updateStatus: function Promise__updateStatus(status, value) {
- if (this._status === STATUS_RESOLVED ||
- this._status === STATUS_REJECTED) {
- return;
- }
-
- if (status === STATUS_RESOLVED &&
- Promise.isPromise(value)) {
- value.then(this._updateStatus.bind(this, STATUS_RESOLVED),
- this._updateStatus.bind(this, STATUS_REJECTED));
- return;
- }
-
- this._status = status;
- this._value = value;
-
- if (status === STATUS_REJECTED && this._handlers.length === 0) {
- this._unhandledRejection = true;
- HandlerManager.addUnhandledRejection(this);
- }
-
- HandlerManager.scheduleHandlers(this);
- },
-
- _resolve: function Promise_resolve(value) {
- this._updateStatus(STATUS_RESOLVED, value);
- },
-
- _reject: function Promise_reject(reason) {
- this._updateStatus(STATUS_REJECTED, reason);
- },
-
- then: function Promise_then(onResolve, onReject) {
- var nextPromise = new Promise(function (resolve, reject) {
- this.resolve = resolve;
- this.reject = reject;
- });
- this._handlers.push({
- thisPromise: this,
- onResolve: onResolve,
- onReject: onReject,
- nextPromise: nextPromise
- });
- HandlerManager.scheduleHandlers(this);
- return nextPromise;
- },
-
- catch: function Promise_catch(onReject) {
- return this.then(undefined, onReject);
- }
- };
-
- globalScope.Promise = Promise;
-//#else
-//throw new Error('DOM Promise is not present');
-//#endif
-})();
-
-var StatTimer = (function StatTimerClosure() {
- function rpad(str, pad, length) {
- while (str.length < length) {
- str += pad;
- }
- return str;
- }
- function StatTimer() {
- this.started = {};
- 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;
-})();
-
-PDFJS.createBlob = function createBlob(data, contentType) {
- if (typeof Blob !== 'undefined') {
- return new Blob([data], { type: contentType });
- }
- // Blob builder is deprecated in FF14 and removed in FF18.
- var bb = new MozBlobBuilder();
- bb.append(data);
- return bb.getBlob(contentType);
-};
-
-PDFJS.createObjectURL = (function createObjectURLClosure() {
- // Blob/createObjectURL is not available, falling back to data schema.
- var digits =
- 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
- return function createObjectURL(data, contentType) {
- if (!PDFJS.disableCreateObjectURL &&
- typeof URL !== 'undefined' && URL.createObjectURL) {
- var blob = PDFJS.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(name, comObj) {
- this.name = name;
- this.comObj = comObj;
- this.callbackIndex = 1;
- this.postMessageTransfers = true;
- var callbacksCapabilities = this.callbacksCapabilities = {};
- var ah = this.actionHandler = {};
-
- ah['console_log'] = [function ahConsoleLog(data) {
- console.log.apply(console, data);
- }];
- ah['console_error'] = [function ahConsoleError(data) {
- console.error.apply(console, data);
- }];
- ah['_unsupported_feature'] = [function ah_unsupportedFeature(data) {
- UnsupportedManager.notify(data);
- }];
-
- comObj.onmessage = function messageHandlerComObjOnMessage(event) {
- var data = event.data;
- 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) {
- Promise.resolve().then(function () {
- return action[0].call(action[1], data.data);
- }).then(function (result) {
- comObj.postMessage({
- isReply: true,
- callbackId: data.callbackId,
- data: result
- });
- }, function (reason) {
- comObj.postMessage({
- isReply: true,
- callbackId: data.callbackId,
- error: reason
- });
- });
- } else {
- action[0].call(action[1], data.data);
- }
- } else {
- error('Unknown action from worker: ' + data.action);
- }
- };
-}
-
-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 = {
- 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 = {
- 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);
- }
- }
-};
-
-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;
-}
-
-
-/**
- * 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.
- * @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);
-
-/**
- * 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);
-
-/**
- * Controls the logging level.
- * The constants from PDFJS.VERBOSITY_LEVELS should be used:
- * - errors
- * - warnings [default]
- * - infos
- * @var {number}
- */
-PDFJS.verbosity = (PDFJS.verbosity === undefined ?
- PDFJS.VERBOSITY_LEVELS.warnings : PDFJS.verbosity);
-
-/**
- * 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);
-
-/**
- * Opens external links in a new window if enabled. The default behavior opens
- * external links in the PDF.js window.
- * @var {boolean}
- */
-PDFJS.openExternalLinksInNewWindow = (
- PDFJS.openExternalLinksInNewWindow === undefined ?
- false : PDFJS.openExternalLinksInNewWindow);
-
-/**
- * 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
- */
-
-/**
- * @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}
- */
-PDFJS.getDocument = function getDocument(src,
- pdfDataRangeTransport,
- passwordCallback,
- progressCallback) {
- var task = new PDFDocumentLoadingTask();
-
- // Support of the obsolete arguments (for compatibility with API v1.0)
- 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;
- }
- src = Object.create(src);
- src.range = pdfDataRangeTransport;
- }
- task.onPassword = passwordCallback || null;
- task.onProgress = progressCallback || null;
-
- var workerInitializedCapability, transport;
- 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 = {};
- for (var key in source) {
- if (key === 'url' && typeof window !== 'undefined') {
- // The full path is required in the 'url' field.
- params[key] = combineUrl(window.location.href, source[key]);
- continue;
- } else if (key === 'range') {
- 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 {
- error('Invalid PDF binary data: either typed array, string or ' +
- 'array-like object is expected in the data property.');
- }
- continue;
- }
- params[key] = source[key];
- }
-
- workerInitializedCapability = createPromiseCapability();
- transport = new WorkerTransport(workerInitializedCapability, source.range);
- workerInitializedCapability.promise.then(function transportInitialized() {
- transport.fetchDocument(task, params);
- });
-
- return task;
-};
-
-/**
- * PDF document loading operation.
- * @class
- */
-var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
- /** @constructs PDFDocumentLoadingTask */
- function PDFDocumentLoadingTask() {
- this._capability = createPromiseCapability();
-
- /**
- * 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;
- }
-
- PDFDocumentLoadingTask.prototype =
- /** @lends PDFDocumentLoadingTask.prototype */ {
- /**
- * @return {Promise}
- */
- get promise() {
- return this._capability.promise;
- },
-
- // TODO add cancel or abort method
-
- /**
- * 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
- */
-var PDFDataRangeTransport = (function pdfDataRangeTransportClosure() {
- /**
- * @constructs PDFDataRangeTransport
- * @param {number} length
- * @param {Uint8Array} initialData
- */
- 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');
- }
- };
- return PDFDataRangeTransport;
-})();
-
-PDFJS.PDFDataRangeTransport = PDFDataRangeTransport;
-
-/**
- * Proxy to a PDFDocument in the worker thread. Also, contains commonly used
- * properties that can be read synchronously.
- * @class
- */
-var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
- function PDFDocumentProxy(pdfInfo, transport) {
- this.pdfInfo = pdfInfo;
- this.transport = transport;
- }
- 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 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 array,
- * dest: dest obj,
- * 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() {
- this.transport.destroy();
- }
- };
- return PDFDocumentProxy;
-})();
-
-/**
- * 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 render parameters.
- *
- * @typedef {Object} RenderParameters
- * @property {Object} canvasContext - A 2D context of a DOM Canvas object.
- * @property {PDFJS.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 {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
- */
-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 = !!globalScope.PDFJS.enableStats;
- this.commonObjs = transport.commonObjs;
- this.objs = new PDFObjects();
- this.cleanupAfterRender = false;
- this.pendingDestroy = false;
- this.intentStates = {};
- }
- 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 {PDFJS.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 PDFJS.PageViewport(this.view, scale, rotate, 0, 0);
- },
- /**
- * @return {Promise} A promise that is resolved with an {Array} of the
- * annotation objects.
- */
- getAnnotations: function PDFPageProxy_getAnnotations() {
- if (this.annotationsPromise) {
- return this.annotationsPromise;
- }
-
- var promise = this.transport.getAnnotations(this.pageIndex);
- this.annotationsPromise = promise;
- return promise;
- },
- /**
- * 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.pendingDestroy = false;
-
- var renderingIntent = (params.intent === 'print' ? 'print' : 'display');
-
- if (!this.intentStates[renderingIntent]) {
- this.intentStates[renderingIntent] = {};
- }
- 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
- });
- }
-
- var internalRenderTask = new InternalRenderTask(complete, params,
- this.objs,
- this.commonObjs,
- intentState.operatorList,
- this.pageNumber);
- if (!intentState.renderTasks) {
- intentState.renderTasks = [];
- }
- intentState.renderTasks.push(internalRenderTask);
- var renderTask = internalRenderTask.task;
-
- // Obsolete parameter support
- if (params.continueCallback) {
- renderTask.onContinue = params.continueCallback;
- }
-
- var self = this;
- intentState.displayReadyCapability.promise.then(
- function pageDisplayReadyPromise(transparency) {
- if (self.pendingDestroy) {
- complete();
- return;
- }
- stats.time('Rendering');
- internalRenderTask.initalizeGraphics(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.pendingDestroy = true;
- }
- self._tryDestroy();
-
- 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 renderingIntent = 'oplist';
- if (!this.intentStates[renderingIntent]) {
- this.intentStates[renderingIntent] = {};
- }
- var intentState = this.intentStates[renderingIntent];
-
- if (!intentState.opListReadCapability) {
- var 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;
- },
-
- /**
- * @return {Promise} That is resolved a {@link TextContent}
- * object that represent the page text content.
- */
- getTextContent: function PDFPageProxy_getTextContent() {
- return this.transport.messageHandler.sendWithPromise('GetTextContent', {
- pageIndex: this.pageNumber - 1
- });
- },
- /**
- * Destroys resources allocated by the page.
- */
- destroy: function PDFPageProxy_destroy() {
- this.pendingDestroy = true;
- this._tryDestroy();
- },
- /**
- * For internal use only. Attempts to clean up if rendering is in a state
- * where that's possible.
- * @ignore
- */
- _tryDestroy: function PDFPageProxy__destroy() {
- if (!this.pendingDestroy ||
- 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.pendingDestroy = 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._tryDestroy();
- }
- }
- };
- return PDFPageProxy;
-})();
-
-/**
- * For internal use only.
- * @ignore
- */
-var WorkerTransport = (function WorkerTransportClosure() {
- function WorkerTransport(workerInitializedCapability, pdfDataRangeTransport) {
- this.pdfDataRangeTransport = pdfDataRangeTransport;
- this.workerInitializedCapability = workerInitializedCapability;
- this.commonObjs = new PDFObjects();
-
- this.loadingTask = null;
-
- this.pageCache = [];
- this.pagePromises = [];
- this.downloadInfoCapability = createPromiseCapability();
-
- // If worker support isn't disabled explicit and the browser has worker
- // support, create a new web worker and test if it/the browser fullfills
- // 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 version 15.
-//#if !SINGLE_FILE
- if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') {
- var workerSrc = PDFJS.workerSrc;
- if (!workerSrc) {
- error('No PDFJS.workerSrc specified');
- }
-
- 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);
- this.messageHandler = messageHandler;
-
- messageHandler.on('test', function transportTest(data) {
- var supportTypedArray = data && data.supportTypedArray;
- if (supportTypedArray) {
- this.worker = worker;
- if (!data.supportTransfers) {
- PDFJS.postMessageTransfers = false;
- }
- this.setupMessageHandler(messageHandler);
- workerInitializedCapability.resolve();
- } else {
- this.setupFakeWorker();
- }
- }.bind(this));
-
- var testObj = new Uint8Array([PDFJS.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);
- }
- return;
- } catch (e) {
- info('The worker has been disabled.');
- }
- }
-//#endif
- // Either workers are disabled, not supported or have thrown an exception.
- // Thus, we fallback to a faked worker.
- this.setupFakeWorker();
- }
- WorkerTransport.prototype = {
- destroy: function WorkerTransport_destroy() {
- this.pageCache = [];
- this.pagePromises = [];
- var self = this;
- this.messageHandler.sendWithPromise('Terminate', null).then(function () {
- FontLoader.clear();
- if (self.worker) {
- self.worker.terminate();
- }
- });
- },
-
- setupFakeWorker: function WorkerTransport_setupFakeWorker() {
- globalScope.PDFJS.disableWorker = true;
-
- if (!PDFJS.fakeWorkerFilesLoadedCapability) {
- PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability();
- // In the developer build load worker_loader which in turn loads all the
- // other files and resolves the promise. In production only the
- // pdf.worker.js file is needed.
-//#if !PRODUCTION
- Util.loadScript(PDFJS.workerSrc);
-//#endif
-//#if PRODUCTION && SINGLE_FILE
-// PDFJS.fakeWorkerFilesLoadedCapability.resolve();
-//#endif
-//#if PRODUCTION && !SINGLE_FILE
-// Util.loadScript(PDFJS.workerSrc, function() {
-// PDFJS.fakeWorkerFilesLoadedCapability.resolve();
-// });
-//#endif
- }
- PDFJS.fakeWorkerFilesLoadedCapability.promise.then(function () {
- warn('Setting up fake worker.');
- // If we don't use a worker, just post/sendMessage to the main thread.
- var fakeWorker = {
- postMessage: function WorkerTransport_postMessage(obj) {
- fakeWorker.onmessage({data: obj});
- },
- terminate: function WorkerTransport_terminate() {}
- };
-
- var messageHandler = new MessageHandler('main', fakeWorker);
- this.setupMessageHandler(messageHandler);
-
- // If the main thread is our worker, setup the handling for the messages
- // the main thread sends to it self.
- PDFJS.WorkerMessageHandler.setup(messageHandler);
-
- this.workerInitializedCapability.resolve();
- }.bind(this));
- },
-
- setupMessageHandler:
- function WorkerTransport_setupMessageHandler(messageHandler) {
- this.messageHandler = 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 pdfDocument = new PDFDocumentProxy(pdfInfo, this);
- this.pdfDocument = pdfDocument;
- this.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) {
- var page = this.pageCache[data.pageIndex];
-
- page.stats.timeEnd('Page Request');
- page._startRenderPage(data.transparency, data.intent);
- }, this);
-
- messageHandler.on('RenderPageChunk', function transportRender(data) {
- var page = this.pageCache[data.pageIndex];
-
- page._renderPageChunk(data.operatorList, data.intent);
- }, this);
-
- messageHandler.on('commonobj', function transportObj(data) {
- var id = data[0];
- var type = data[1];
- if (this.commonObjs.hasData(id)) {
- return;
- }
-
- switch (type) {
- case 'Font':
- var exportedData = data[2];
-
- var font;
- if ('error' in exportedData) {
- var error = exportedData.error;
- warn('Error during font loading: ' + error);
- this.commonObjs.resolve(id, error);
- break;
- } else {
- font = new FontFaceObject(exportedData);
- }
-
- 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) {
- 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) {
- var loadingTask = this.loadingTask;
- if (loadingTask.onProgress) {
- loadingTask.onProgress({
- loaded: data.loaded,
- total: data.total
- });
- }
- }, this);
-
- messageHandler.on('PageError', function transportError(data) {
- 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);
- }
- }, this);
-
- messageHandler.on('JpegDecode', function(data) {
- 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;
- });
- });
- },
-
- fetchDocument: function WorkerTransport_fetchDocument(loadingTask, source) {
- this.loadingTask = loadingTask;
-
- source.disableAutoFetch = PDFJS.disableAutoFetch;
- source.disableStream = PDFJS.disableStream;
- source.chunkedViewerLoading = !!this.pdfDataRangeTransport;
- if (this.pdfDataRangeTransport) {
- source.length = this.pdfDataRangeTransport.length;
- source.initialData = this.pdfDataRangeTransport.initialData;
- }
- this.messageHandler.send('GetDocRequest', {
- source: source,
- disableRange: PDFJS.disableRange,
- maxImageSize: PDFJS.maxImageSize,
- cMapUrl: PDFJS.cMapUrl,
- cMapPacked: PDFJS.cMapPacked,
- disableFontFace: PDFJS.disableFontFace,
- disableCreateObjectURL: PDFJS.disableCreateObjectURL,
- verbosity: PDFJS.verbosity
- });
- },
-
- getData: function WorkerTransport_getData() {
- return this.messageHandler.sendWithPromise('GetData', null);
- },
-
- getPage: function WorkerTransport_getPage(pageNumber, capability) {
- if (pageNumber <= 0 || pageNumber > this.numPages ||
- (pageNumber|0) !== pageNumber) {
- 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) {
- 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 });
- },
-
- getAnnotations: function WorkerTransport_getAnnotations(pageIndex) {
- return this.messageHandler.sendWithPromise('GetAnnotations',
- { pageIndex: pageIndex });
- },
-
- getDestinations: function WorkerTransport_getDestinations() {
- return this.messageHandler.sendWithPromise('GetDestinations', null);
- },
-
- getDestination: function WorkerTransport_getDestination(id) {
- return this.messageHandler.sendWithPromise('GetDestination', { id: id } );
- },
-
- 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 PDFJS.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.destroy();
- }
- }
- this.commonObjs.clear();
- 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 = {};
- }
-
- 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 = {};
- }
- };
- return PDFObjects;
-})();
-
-/**
- * Allows controlling of the rendering tasks.
- * @class
- */
-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.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 = {
-
- initalizeGraphics:
- function InternalRenderTask_initalizeGraphics(transparency) {
-
- if (this.cancelled) {
- return;
- }
- if (PDFJS.pdfBug && 'StepperManager' in globalScope &&
- 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.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() {
- window.requestAnimationFrame(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;
-})();
-
-
-var Metadata = PDFJS.Metadata = (function MetadataClosure() {
- 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 = {};
- this.parse();
- }
-
- Metadata.prototype = {
- parse: function Metadata_parse() {
- var doc = this.metaDocument;
- var rdf = doc.documentElement;
-
- if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in
- rdf = rdf.firstChild;
- while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
- rdf = rdf.nextSibling;
- }
- }
-
- var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;
- if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
- return;
- }
-
- var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
- for (i = 0, length = children.length; i < length; i++) {
- desc = children[i];
- if (desc.nodeName.toLowerCase() !== 'rdf:description') {
- continue;
- }
-
- for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
- if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
- entry = desc.childNodes[ii];
- name = entry.nodeName.toLowerCase();
- this.metadata[name] = entry.textContent.trim();
- }
- }
- }
- },
-
- get: function Metadata_get(name) {
- return this.metadata[name] || null;
- },
-
- has: function Metadata_has(name) {
- return typeof this.metadata[name] !== 'undefined';
- }
- };
-
- return Metadata;
-})();
-
-
-//