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-rw-r--r--dist/js/pdf-view.js100
-rw-r--r--dist/js/pdf.js11515
-rw-r--r--dist/js/pdf.min.js8
-rw-r--r--dist/js/pdf.worker.js43506
-rw-r--r--dist/js/pdf.worker.min.js28
-rw-r--r--index.html.j22
-rw-r--r--investors.html.j283
-rw-r--r--locale/de/LC_MESSAGES/messages.po244
-rw-r--r--locale/en/LC_MESSAGES/messages.po240
-rw-r--r--locale/es/LC_MESSAGES/messages.po244
-rw-r--r--locale/fr/LC_MESSAGES/messages.po244
-rw-r--r--locale/it/LC_MESSAGES/messages.po244
-rw-r--r--presentations/investors2017.pdfbin0 -> 4286360 bytes
13 files changed, 55867 insertions, 591 deletions
diff --git a/dist/js/pdf-view.js b/dist/js/pdf-view.js
new file mode 100644
index 0000000..74e668f
--- /dev/null
+++ b/dist/js/pdf-view.js
@@ -0,0 +1,100 @@
+/** This code is under the Apache License Version 2.0, January 2004
+ * http://www.apache.org/licenses/, as it is heavily based on
+ * documentation of pdf.js (which is under Apache License v2.0)
+ */
+
+PDFJS.workerSrc = 'dist/js/pdf.worker.min.js';
+
+var url = 'presentations/investors2017.pdf';
+
+var pdfDoc = null,
+ pageNum = 1,
+ pageRendering = false,
+ pageNumPending = null,
+ scale = 1,
+ canvasLeft = document.getElementById('the-canvas-left'),
+ canvasRight = document.getElementById('the-canvas-right');
+
+/**
+ * Get page info from document, resize canvas accordingly, and render page.
+ * @param num Page number.
+ */
+function renderPage(canvas,num) {
+ pageRendering = true;
+ // Using promise to fetch the page
+ pdfDoc.getPage(num).then(function(page) {
+ var viewport = page.getViewport(scale);
+ canvas.height = viewport.height;
+ canvas.width = viewport.width;
+
+ // Render PDF page into canvas context
+ var renderContext = {
+ canvasContext: canvas.getContext('2d'),
+ viewport: viewport
+ };
+ var renderTask = page.render(renderContext);
+
+ // Wait for rendering to finish
+ renderTask.promise.then(function() {
+ pageRendering = false;
+ if (pageNumPending !== null) {
+ // New page rendering is pending
+ renderPage(pageNumPending);
+ pageNumPending = null;
+ }
+ });
+ });
+
+ // Update page counters
+ document.getElementById('page_num').textContent = pageNum;
+}
+
+/**
+ * If another page rendering in progress, waits until the rendering is
+ * finised. Otherwise, executes rendering immediately.
+ */
+function queueRenderPage(num) {
+ if (pageRendering) {
+ pageNumPending = num;
+ } else {
+ renderPage(canvasLeft,num);
+ renderPage(canvasRight,num+1);
+ }
+}
+
+/**
+ * Displays previous page.
+ */
+function onPrevPage() {
+ if (pageNum <= 1) {
+ return;
+ }
+ pageNum--;
+ queueRenderPage(pageNum);
+}
+document.getElementById('canvas-left').addEventListener('click', onPrevPage);
+
+/**
+ * Displays next page.
+ */
+function onNextPage() {
+ if (pageNum >= pdfDoc.numPages - 1) {
+ return;
+ }
+ pageNum++;
+ queueRenderPage(pageNum);
+}
+document.getElementById('canvas-right').addEventListener('click', onNextPage);
+
+document.getElementById('canvas-right').style.display = 'block';
+document.getElementById('canvas-left').style.display = 'block';
+
+/**
+ * Asynchronously downloads PDF.
+ */
+PDFJS.getDocument(url).then(function(pdfDoc_) {
+ pdfDoc = pdfDoc_;
+
+ // Initial/first page rendering
+ renderPage(pageNum);
+});
diff --git a/dist/js/pdf.js b/dist/js/pdf.js
new file mode 100644
index 0000000..2d3c3c8
--- /dev/null
+++ b/dist/js/pdf.js
@@ -0,0 +1,11515 @@
+/* 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 */
+/* umdutils ignore */
+
+(function (root, factory) {
+ 'use strict';
+ if (typeof define === 'function' && define.amd) {
+define('pdfjs-dist/build/pdf', ['exports'], factory);
+ } else if (typeof exports !== 'undefined') {
+ factory(exports);
+ } else {
+factory((root.pdfjsDistBuildPdf = {}));
+ }
+}(this, function (exports) {
+ // Use strict in our context only - users might not want it
+ 'use strict';
+
+var pdfjsVersion = '1.6.210';
+var pdfjsBuild = '4ce2356';
+
+ var pdfjsFilePath =
+ typeof document !== 'undefined' && document.currentScript ?
+ document.currentScript.src : null;
+
+ var pdfjsLibs = {};
+
+ (function pdfjsWrapper() {
+
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsSharedUtil = {}));
+ }
+}(this, function (exports) {
+
+var globalScope = (typeof window !== 'undefined') ? window :
+ (typeof global !== 'undefined') ? global :
+ (typeof self !== 'undefined') ? self : this;
+
+var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+
+var TextRenderingMode = {
+ FILL: 0,
+ STROKE: 1,
+ FILL_STROKE: 2,
+ INVISIBLE: 3,
+ FILL_ADD_TO_PATH: 4,
+ STROKE_ADD_TO_PATH: 5,
+ FILL_STROKE_ADD_TO_PATH: 6,
+ ADD_TO_PATH: 7,
+ FILL_STROKE_MASK: 3,
+ ADD_TO_PATH_FLAG: 4
+};
+
+var ImageKind = {
+ GRAYSCALE_1BPP: 1,
+ RGB_24BPP: 2,
+ RGBA_32BPP: 3
+};
+
+var AnnotationType = {
+ TEXT: 1,
+ LINK: 2,
+ FREETEXT: 3,
+ LINE: 4,
+ SQUARE: 5,
+ CIRCLE: 6,
+ POLYGON: 7,
+ POLYLINE: 8,
+ HIGHLIGHT: 9,
+ UNDERLINE: 10,
+ SQUIGGLY: 11,
+ STRIKEOUT: 12,
+ STAMP: 13,
+ CARET: 14,
+ INK: 15,
+ POPUP: 16,
+ FILEATTACHMENT: 17,
+ SOUND: 18,
+ MOVIE: 19,
+ WIDGET: 20,
+ SCREEN: 21,
+ PRINTERMARK: 22,
+ TRAPNET: 23,
+ WATERMARK: 24,
+ THREED: 25,
+ REDACT: 26
+};
+
+var AnnotationFlag = {
+ INVISIBLE: 0x01,
+ HIDDEN: 0x02,
+ PRINT: 0x04,
+ NOZOOM: 0x08,
+ NOROTATE: 0x10,
+ NOVIEW: 0x20,
+ READONLY: 0x40,
+ LOCKED: 0x80,
+ TOGGLENOVIEW: 0x100,
+ LOCKEDCONTENTS: 0x200
+};
+
+var AnnotationFieldFlag = {
+ READONLY: 0x0000001,
+ REQUIRED: 0x0000002,
+ NOEXPORT: 0x0000004,
+ MULTILINE: 0x0001000,
+ PASSWORD: 0x0002000,
+ NOTOGGLETOOFF: 0x0004000,
+ RADIO: 0x0008000,
+ PUSHBUTTON: 0x0010000,
+ COMBO: 0x0020000,
+ EDIT: 0x0040000,
+ SORT: 0x0080000,
+ FILESELECT: 0x0100000,
+ MULTISELECT: 0x0200000,
+ DONOTSPELLCHECK: 0x0400000,
+ DONOTSCROLL: 0x0800000,
+ COMB: 0x1000000,
+ RICHTEXT: 0x2000000,
+ RADIOSINUNISON: 0x2000000,
+ COMMITONSELCHANGE: 0x4000000,
+};
+
+var AnnotationBorderStyleType = {
+ SOLID: 1,
+ DASHED: 2,
+ BEVELED: 3,
+ INSET: 4,
+ UNDERLINE: 5
+};
+
+var StreamType = {
+ UNKNOWN: 0,
+ FLATE: 1,
+ LZW: 2,
+ DCT: 3,
+ JPX: 4,
+ JBIG: 5,
+ A85: 6,
+ AHX: 7,
+ CCF: 8,
+ RL: 9
+};
+
+var FontType = {
+ UNKNOWN: 0,
+ TYPE1: 1,
+ TYPE1C: 2,
+ CIDFONTTYPE0: 3,
+ CIDFONTTYPE0C: 4,
+ TRUETYPE: 5,
+ CIDFONTTYPE2: 6,
+ TYPE3: 7,
+ OPENTYPE: 8,
+ TYPE0: 9,
+ MMTYPE1: 10
+};
+
+var VERBOSITY_LEVELS = {
+ errors: 0,
+ warnings: 1,
+ infos: 5
+};
+
+// All the possible operations for an operator list.
+var OPS = {
+ // Intentionally start from 1 so it is easy to spot bad operators that will be
+ // 0's.
+ dependency: 1,
+ setLineWidth: 2,
+ setLineCap: 3,
+ setLineJoin: 4,
+ setMiterLimit: 5,
+ setDash: 6,
+ setRenderingIntent: 7,
+ setFlatness: 8,
+ setGState: 9,
+ save: 10,
+ restore: 11,
+ transform: 12,
+ moveTo: 13,
+ lineTo: 14,
+ curveTo: 15,
+ curveTo2: 16,
+ curveTo3: 17,
+ closePath: 18,
+ rectangle: 19,
+ stroke: 20,
+ closeStroke: 21,
+ fill: 22,
+ eoFill: 23,
+ fillStroke: 24,
+ eoFillStroke: 25,
+ closeFillStroke: 26,
+ closeEOFillStroke: 27,
+ endPath: 28,
+ clip: 29,
+ eoClip: 30,
+ beginText: 31,
+ endText: 32,
+ setCharSpacing: 33,
+ setWordSpacing: 34,
+ setHScale: 35,
+ setLeading: 36,
+ setFont: 37,
+ setTextRenderingMode: 38,
+ setTextRise: 39,
+ moveText: 40,
+ setLeadingMoveText: 41,
+ setTextMatrix: 42,
+ nextLine: 43,
+ showText: 44,
+ showSpacedText: 45,
+ nextLineShowText: 46,
+ nextLineSetSpacingShowText: 47,
+ setCharWidth: 48,
+ setCharWidthAndBounds: 49,
+ setStrokeColorSpace: 50,
+ setFillColorSpace: 51,
+ setStrokeColor: 52,
+ setStrokeColorN: 53,
+ setFillColor: 54,
+ setFillColorN: 55,
+ setStrokeGray: 56,
+ setFillGray: 57,
+ setStrokeRGBColor: 58,
+ setFillRGBColor: 59,
+ setStrokeCMYKColor: 60,
+ setFillCMYKColor: 61,
+ shadingFill: 62,
+ beginInlineImage: 63,
+ beginImageData: 64,
+ endInlineImage: 65,
+ paintXObject: 66,
+ markPoint: 67,
+ markPointProps: 68,
+ beginMarkedContent: 69,
+ beginMarkedContentProps: 70,
+ endMarkedContent: 71,
+ beginCompat: 72,
+ endCompat: 73,
+ paintFormXObjectBegin: 74,
+ paintFormXObjectEnd: 75,
+ beginGroup: 76,
+ endGroup: 77,
+ beginAnnotations: 78,
+ endAnnotations: 79,
+ beginAnnotation: 80,
+ endAnnotation: 81,
+ paintJpegXObject: 82,
+ paintImageMaskXObject: 83,
+ paintImageMaskXObjectGroup: 84,
+ paintImageXObject: 85,
+ paintInlineImageXObject: 86,
+ paintInlineImageXObjectGroup: 87,
+ paintImageXObjectRepeat: 88,
+ paintImageMaskXObjectRepeat: 89,
+ paintSolidColorImageMask: 90,
+ constructPath: 91
+};
+
+var verbosity = VERBOSITY_LEVELS.warnings;
+
+function setVerbosityLevel(level) {
+ verbosity = level;
+}
+
+function getVerbosityLevel() {
+ return verbosity;
+}
+
+// A notice for devs. These are good for things that are helpful to devs, such
+// as warning that Workers were disabled, which is important to devs but not
+// end users.
+function info(msg) {
+ if (verbosity >= VERBOSITY_LEVELS.infos) {
+ console.log('Info: ' + msg);
+ }
+}
+
+// Non-fatal warnings.
+function warn(msg) {
+ if (verbosity >= VERBOSITY_LEVELS.warnings) {
+ console.log('Warning: ' + msg);
+ }
+}
+
+// Deprecated API function -- display regardless of the PDFJS.verbosity setting.
+function deprecated(details) {
+ console.log('Deprecated API usage: ' + details);
+}
+
+// Fatal errors that should trigger the fallback UI and halt execution by
+// throwing an exception.
+function error(msg) {
+ if (verbosity >= VERBOSITY_LEVELS.errors) {
+ console.log('Error: ' + msg);
+ console.log(backtrace());
+ }
+ throw new Error(msg);
+}
+
+function backtrace() {
+ try {
+ throw new Error();
+ } catch (e) {
+ return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
+ }
+}
+
+function assert(cond, msg) {
+ if (!cond) {
+ error(msg);
+ }
+}
+
+var UNSUPPORTED_FEATURES = {
+ unknown: 'unknown',
+ forms: 'forms',
+ javaScript: 'javaScript',
+ smask: 'smask',
+ shadingPattern: 'shadingPattern',
+ font: 'font'
+};
+
+// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.
+function isSameOrigin(baseUrl, otherUrl) {
+ try {
+ var base = new URL(baseUrl);
+ if (!base.origin || base.origin === 'null') {
+ return false; // non-HTTP url
+ }
+ } catch (e) {
+ return false;
+ }
+
+ var other = new URL(otherUrl, base);
+ return base.origin === other.origin;
+}
+
+// Validates if URL is safe and allowed, e.g. to avoid XSS.
+function isValidUrl(url, allowRelative) {
+ if (!url || typeof url !== 'string') {
+ 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;
+ }
+}
+
+function shadow(obj, prop, value) {
+ Object.defineProperty(obj, prop, { value: value,
+ enumerable: true,
+ configurable: true,
+ writable: false });
+ return value;
+}
+
+function getLookupTableFactory(initializer) {
+ var lookup;
+ return function () {
+ if (initializer) {
+ lookup = Object.create(null);
+ initializer(lookup);
+ initializer = null;
+ }
+ return lookup;
+ };
+}
+
+var PasswordResponses = {
+ NEED_PASSWORD: 1,
+ INCORRECT_PASSWORD: 2
+};
+
+var PasswordException = (function PasswordExceptionClosure() {
+ function PasswordException(msg, code) {
+ this.name = 'PasswordException';
+ this.message = msg;
+ this.code = code;
+ }
+
+ PasswordException.prototype = new Error();
+ PasswordException.constructor = PasswordException;
+
+ return PasswordException;
+})();
+
+var UnknownErrorException = (function UnknownErrorExceptionClosure() {
+ function UnknownErrorException(msg, details) {
+ this.name = 'UnknownErrorException';
+ this.message = msg;
+ this.details = details;
+ }
+
+ UnknownErrorException.prototype = new Error();
+ UnknownErrorException.constructor = UnknownErrorException;
+
+ return UnknownErrorException;
+})();
+
+var InvalidPDFException = (function InvalidPDFExceptionClosure() {
+ function InvalidPDFException(msg) {
+ this.name = 'InvalidPDFException';
+ this.message = msg;
+ }
+
+ InvalidPDFException.prototype = new Error();
+ InvalidPDFException.constructor = InvalidPDFException;
+
+ return InvalidPDFException;
+})();
+
+var MissingPDFException = (function MissingPDFExceptionClosure() {
+ function MissingPDFException(msg) {
+ this.name = 'MissingPDFException';
+ this.message = msg;
+ }
+
+ MissingPDFException.prototype = new Error();
+ MissingPDFException.constructor = MissingPDFException;
+
+ return MissingPDFException;
+})();
+
+var UnexpectedResponseException =
+ (function UnexpectedResponseExceptionClosure() {
+ function UnexpectedResponseException(msg, status) {
+ this.name = 'UnexpectedResponseException';
+ this.message = msg;
+ this.status = status;
+ }
+
+ UnexpectedResponseException.prototype = new Error();
+ UnexpectedResponseException.constructor = UnexpectedResponseException;
+
+ return UnexpectedResponseException;
+})();
+
+var NotImplementedException = (function NotImplementedExceptionClosure() {
+ function NotImplementedException(msg) {
+ this.message = msg;
+ }
+
+ NotImplementedException.prototype = new Error();
+ NotImplementedException.prototype.name = 'NotImplementedException';
+ NotImplementedException.constructor = NotImplementedException;
+
+ return NotImplementedException;
+})();
+
+var MissingDataException = (function MissingDataExceptionClosure() {
+ function MissingDataException(begin, end) {
+ this.begin = begin;
+ this.end = end;
+ this.message = 'Missing data [' + begin + ', ' + end + ')';
+ }
+
+ MissingDataException.prototype = new Error();
+ MissingDataException.prototype.name = 'MissingDataException';
+ MissingDataException.constructor = MissingDataException;
+
+ return MissingDataException;
+})();
+
+var XRefParseException = (function XRefParseExceptionClosure() {
+ function XRefParseException(msg) {
+ this.message = msg;
+ }
+
+ XRefParseException.prototype = new Error();
+ XRefParseException.prototype.name = 'XRefParseException';
+ XRefParseException.constructor = XRefParseException;
+
+ return XRefParseException;
+})();
+
+var NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+ if (typeof str !== 'string') {
+ warn('The argument for removeNullCharacters must be a string.');
+ return str;
+ }
+ return str.replace(NullCharactersRegExp, '');
+}
+
+function bytesToString(bytes) {
+ assert(bytes !== null && typeof bytes === 'object' &&
+ bytes.length !== undefined, 'Invalid argument for bytesToString');
+ var length = bytes.length;
+ var MAX_ARGUMENT_COUNT = 8192;
+ if (length < MAX_ARGUMENT_COUNT) {
+ return String.fromCharCode.apply(null, bytes);
+ }
+ var strBuf = [];
+ for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+ var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+ var chunk = bytes.subarray(i, chunkEnd);
+ strBuf.push(String.fromCharCode.apply(null, chunk));
+ }
+ return strBuf.join('');
+}
+
+function stringToBytes(str) {
+ assert(typeof str === 'string', 'Invalid argument for stringToBytes');
+ var length = str.length;
+ var bytes = new Uint8Array(length);
+ for (var i = 0; i < length; ++i) {
+ bytes[i] = str.charCodeAt(i) & 0xFF;
+ }
+ return bytes;
+}
+
+/**
+ * Gets length of the array (Array, Uint8Array, or string) in bytes.
+ * @param {Array|Uint8Array|string} arr
+ * @returns {number}
+ */
+function arrayByteLength(arr) {
+ if (arr.length !== undefined) {
+ return arr.length;
+ }
+ assert(arr.byteLength !== undefined);
+ return arr.byteLength;
+}
+
+/**
+ * Combines array items (arrays) into single Uint8Array object.
+ * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string).
+ * @returns {Uint8Array}
+ */
+function arraysToBytes(arr) {
+ // Shortcut: if first and only item is Uint8Array, return it.
+ if (arr.length === 1 && (arr[0] instanceof Uint8Array)) {
+ return arr[0];
+ }
+ var resultLength = 0;
+ var i, ii = arr.length;
+ var item, itemLength ;
+ for (i = 0; i < ii; i++) {
+ item = arr[i];
+ itemLength = arrayByteLength(item);
+ resultLength += itemLength;
+ }
+ var pos = 0;
+ var data = new Uint8Array(resultLength);
+ for (i = 0; i < ii; i++) {
+ item = arr[i];
+ if (!(item instanceof Uint8Array)) {
+ if (typeof item === 'string') {
+ item = stringToBytes(item);
+ } else {
+ item = new Uint8Array(item);
+ }
+ }
+ itemLength = item.byteLength;
+ data.set(item, pos);
+ pos += itemLength;
+ }
+ return data;
+}
+
+function string32(value) {
+ return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff,
+ (value >> 8) & 0xff, value & 0xff);
+}
+
+function log2(x) {
+ var n = 1, i = 0;
+ while (x > n) {
+ n <<= 1;
+ i++;
+ }
+ return i;
+}
+
+function readInt8(data, start) {
+ return (data[start] << 24) >> 24;
+}
+
+function readUint16(data, offset) {
+ return (data[offset] << 8) | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+ return ((data[offset] << 24) | (data[offset + 1] << 16) |
+ (data[offset + 2] << 8) | data[offset + 3]) >>> 0;
+}
+
+// Lazy test the endianness of the platform
+// NOTE: This will be 'true' for simulated TypedArrays
+function isLittleEndian() {
+ var buffer8 = new Uint8Array(2);
+ buffer8[0] = 1;
+ var buffer16 = new Uint16Array(buffer8.buffer);
+ return (buffer16[0] === 1);
+}
+
+// Checks if it's possible to eval JS expressions.
+function isEvalSupported() {
+ try {
+ /* jshint evil: true */
+ new Function('');
+ return true;
+ } catch (e) {
+ return false;
+ }
+}
+
+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;
+})();
+
+exports.Uint32ArrayView = Uint32ArrayView;
+
+var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+
+var Util = (function UtilClosure() {
+ function Util() {}
+
+ var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];
+
+ // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids
+ // creating many intermediate strings.
+ Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
+ rgbBuf[1] = r;
+ rgbBuf[3] = g;
+ rgbBuf[5] = b;
+ return rgbBuf.join('');
+ };
+
+ // Concatenates two transformation matrices together and returns the result.
+ Util.transform = function Util_transform(m1, m2) {
+ return [
+ m1[0] * m2[0] + m1[2] * m2[1],
+ m1[1] * m2[0] + m1[3] * m2[1],
+ m1[0] * m2[2] + m1[2] * m2[3],
+ m1[1] * m2[2] + m1[3] * m2[3],
+ m1[0] * m2[4] + m1[2] * m2[5] + m1[4],
+ m1[1] * m2[4] + m1[3] * m2[5] + m1[5]
+ ];
+ };
+
+ // For 2d affine transforms
+ Util.applyTransform = function Util_applyTransform(p, m) {
+ var xt = p[0] * m[0] + p[1] * m[2] + m[4];
+ var yt = p[0] * m[1] + p[1] * m[3] + m[5];
+ return [xt, yt];
+ };
+
+ Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
+ var d = m[0] * m[3] - m[1] * m[2];
+ var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+ var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+ return [xt, yt];
+ };
+
+ // Applies the transform to the rectangle and finds the minimum axially
+ // aligned bounding box.
+ Util.getAxialAlignedBoundingBox =
+ function Util_getAxialAlignedBoundingBox(r, m) {
+
+ var p1 = Util.applyTransform(r, m);
+ var p2 = Util.applyTransform(r.slice(2, 4), m);
+ var p3 = Util.applyTransform([r[0], r[3]], m);
+ var p4 = Util.applyTransform([r[2], r[1]], m);
+ return [
+ Math.min(p1[0], p2[0], p3[0], p4[0]),
+ Math.min(p1[1], p2[1], p3[1], p4[1]),
+ Math.max(p1[0], p2[0], p3[0], p4[0]),
+ Math.max(p1[1], p2[1], p3[1], p4[1])
+ ];
+ };
+
+ Util.inverseTransform = function Util_inverseTransform(m) {
+ var d = m[0] * m[3] - m[1] * m[2];
+ return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d,
+ (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+ };
+
+ // Apply a generic 3d matrix M on a 3-vector v:
+ // | a b c | | X |
+ // | d e f | x | Y |
+ // | g h i | | Z |
+ // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],
+ // with v as [X,Y,Z]
+ Util.apply3dTransform = function Util_apply3dTransform(m, v) {
+ return [
+ m[0] * v[0] + m[1] * v[1] + m[2] * v[2],
+ m[3] * v[0] + m[4] * v[1] + m[5] * v[2],
+ m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
+ ];
+ };
+
+ // This calculation uses Singular Value Decomposition.
+ // The SVD can be represented with formula A = USV. We are interested in the
+ // matrix S here because it represents the scale values.
+ Util.singularValueDecompose2dScale =
+ function Util_singularValueDecompose2dScale(m) {
+
+ var transpose = [m[0], m[2], m[1], m[3]];
+
+ // Multiply matrix m with its transpose.
+ var a = m[0] * transpose[0] + m[1] * transpose[2];
+ var b = m[0] * transpose[1] + m[1] * transpose[3];
+ var c = m[2] * transpose[0] + m[3] * transpose[2];
+ var d = m[2] * transpose[1] + m[3] * transpose[3];
+
+ // Solve the second degree polynomial to get roots.
+ var first = (a + d) / 2;
+ var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+ var sx = first + second || 1;
+ var sy = first - second || 1;
+
+ // Scale values are the square roots of the eigenvalues.
+ return [Math.sqrt(sx), Math.sqrt(sy)];
+ };
+
+ // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)
+ // For coordinate systems whose origin lies in the bottom-left, this
+ // means normalization to (BL,TR) ordering. For systems with origin in the
+ // top-left, this means (TL,BR) ordering.
+ Util.normalizeRect = function Util_normalizeRect(rect) {
+ var r = rect.slice(0); // clone rect
+ if (rect[0] > rect[2]) {
+ r[0] = rect[2];
+ r[2] = rect[0];
+ }
+ if (rect[1] > rect[3]) {
+ r[1] = rect[3];
+ r[3] = rect[1];
+ }
+ return r;
+ };
+
+ // Returns a rectangle [x1, y1, x2, y2] corresponding to the
+ // intersection of rect1 and rect2. If no intersection, returns 'false'
+ // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]
+ Util.intersect = function Util_intersect(rect1, rect2) {
+ function compare(a, b) {
+ return a - b;
+ }
+
+ // Order points along the axes
+ var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),
+ orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),
+ result = [];
+
+ rect1 = Util.normalizeRect(rect1);
+ rect2 = Util.normalizeRect(rect2);
+
+ // X: first and second points belong to different rectangles?
+ if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||
+ (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) {
+ // Intersection must be between second and third points
+ result[0] = orderedX[1];
+ result[2] = orderedX[2];
+ } else {
+ return false;
+ }
+
+ // Y: first and second points belong to different rectangles?
+ if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||
+ (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) {
+ // Intersection must be between second and third points
+ result[1] = orderedY[1];
+ result[3] = orderedY[2];
+ } else {
+ return false;
+ }
+
+ return result;
+ };
+
+ Util.sign = function Util_sign(num) {
+ return num < 0 ? -1 : 1;
+ };
+
+ var ROMAN_NUMBER_MAP = [
+ '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM',
+ '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC',
+ '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'
+ ];
+ /**
+ * Converts positive integers to (upper case) Roman numerals.
+ * @param {integer} number - The number that should be converted.
+ * @param {boolean} lowerCase - Indicates if the result should be converted
+ * to lower case letters. The default is false.
+ * @return {string} The resulting Roman number.
+ */
+ Util.toRoman = function Util_toRoman(number, lowerCase) {
+ assert(isInt(number) && number > 0,
+ 'The number should be a positive integer.');
+ var pos, romanBuf = [];
+ // Thousands
+ while (number >= 1000) {
+ number -= 1000;
+ romanBuf.push('M');
+ }
+ // Hundreds
+ pos = (number / 100) | 0;
+ number %= 100;
+ romanBuf.push(ROMAN_NUMBER_MAP[pos]);
+ // Tens
+ pos = (number / 10) | 0;
+ number %= 10;
+ romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
+ // Ones
+ romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
+
+ var romanStr = romanBuf.join('');
+ return (lowerCase ? romanStr.toLowerCase() : romanStr);
+ };
+
+ Util.appendToArray = function Util_appendToArray(arr1, arr2) {
+ Array.prototype.push.apply(arr1, arr2);
+ };
+
+ Util.prependToArray = function Util_prependToArray(arr1, arr2) {
+ Array.prototype.unshift.apply(arr1, arr2);
+ };
+
+ Util.extendObj = function extendObj(obj1, obj2) {
+ for (var key in obj2) {
+ obj1[key] = obj2[key];
+ }
+ };
+
+ Util.getInheritableProperty = function Util_getInheritableProperty(dict,
+ name) {
+ 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 PageViewport
+ */
+var PageViewport = (function PageViewportClosure() {
+ /**
+ * @constructor
+ * @private
+ * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates.
+ * @param scale {number} scale of the viewport.
+ * @param rotation {number} rotations of the viewport in degrees.
+ * @param offsetX {number} offset X
+ * @param offsetY {number} offset Y
+ * @param dontFlip {boolean} if true, axis Y will not be flipped.
+ */
+ function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
+ this.viewBox = viewBox;
+ this.scale = scale;
+ this.rotation = rotation;
+ this.offsetX = offsetX;
+ this.offsetY = offsetY;
+
+ // creating transform to convert pdf coordinate system to the normal
+ // canvas like coordinates taking in account scale and rotation
+ var centerX = (viewBox[2] + viewBox[0]) / 2;
+ var centerY = (viewBox[3] + viewBox[1]) / 2;
+ var rotateA, rotateB, rotateC, rotateD;
+ rotation = rotation % 360;
+ rotation = rotation < 0 ? rotation + 360 : rotation;
+ switch (rotation) {
+ case 180:
+ rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1;
+ break;
+ case 90:
+ rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0;
+ break;
+ case 270:
+ rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0;
+ break;
+ //case 0:
+ default:
+ rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1;
+ break;
+ }
+
+ if (dontFlip) {
+ rotateC = -rotateC; rotateD = -rotateD;
+ }
+
+ var offsetCanvasX, offsetCanvasY;
+ var width, height;
+ if (rotateA === 0) {
+ offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
+ offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
+ width = Math.abs(viewBox[3] - viewBox[1]) * scale;
+ height = Math.abs(viewBox[2] - viewBox[0]) * scale;
+ } else {
+ offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
+ offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
+ width = Math.abs(viewBox[2] - viewBox[0]) * scale;
+ height = Math.abs(viewBox[3] - viewBox[1]) * scale;
+ }
+ // creating transform for the following operations:
+ // translate(-centerX, -centerY), rotate and flip vertically,
+ // scale, and translate(offsetCanvasX, offsetCanvasY)
+ this.transform = [
+ rotateA * scale,
+ rotateB * scale,
+ rotateC * scale,
+ rotateD * scale,
+ offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
+ offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
+ ];
+
+ this.width = width;
+ this.height = height;
+ this.fontScale = scale;
+ }
+ PageViewport.prototype = /** @lends PageViewport.prototype */ {
+ /**
+ * Clones viewport with additional properties.
+ * @param args {Object} (optional) If specified, may contain the 'scale' or
+ * 'rotation' properties to override the corresponding properties in
+ * the cloned viewport.
+ * @returns {PageViewport} Cloned viewport.
+ */
+ clone: function PageViewPort_clone(args) {
+ args = args || {};
+ var scale = 'scale' in args ? args.scale : this.scale;
+ var rotation = 'rotation' in args ? args.rotation : this.rotation;
+ return new PageViewport(this.viewBox.slice(), scale, rotation,
+ this.offsetX, this.offsetY, args.dontFlip);
+ },
+ /**
+ * Converts PDF point to the viewport coordinates. For examples, useful for
+ * converting PDF location into canvas pixel coordinates.
+ * @param x {number} X coordinate.
+ * @param y {number} Y coordinate.
+ * @returns {Object} Object that contains 'x' and 'y' properties of the
+ * point in the viewport coordinate space.
+ * @see {@link convertToPdfPoint}
+ * @see {@link convertToViewportRectangle}
+ */
+ convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
+ return Util.applyTransform([x, y], this.transform);
+ },
+ /**
+ * Converts PDF rectangle to the viewport coordinates.
+ * @param rect {Array} xMin, yMin, xMax and yMax coordinates.
+ * @returns {Array} Contains corresponding coordinates of the rectangle
+ * in the viewport coordinate space.
+ * @see {@link convertToViewportPoint}
+ */
+ convertToViewportRectangle:
+ function PageViewport_convertToViewportRectangle(rect) {
+ var tl = Util.applyTransform([rect[0], rect[1]], this.transform);
+ var br = Util.applyTransform([rect[2], rect[3]], this.transform);
+ return [tl[0], tl[1], br[0], br[1]];
+ },
+ /**
+ * Converts viewport coordinates to the PDF location. For examples, useful
+ * for converting canvas pixel location into PDF one.
+ * @param x {number} X coordinate.
+ * @param y {number} Y coordinate.
+ * @returns {Object} Object that contains 'x' and 'y' properties of the
+ * point in the PDF coordinate space.
+ * @see {@link convertToViewportPoint}
+ */
+ convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
+ return Util.applyInverseTransform([x, y], this.transform);
+ }
+ };
+ return PageViewport;
+})();
+
+var PDFStringTranslateTable = [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,
+ 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,
+ 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,
+ 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC
+];
+
+function stringToPDFString(str) {
+ var i, n = str.length, strBuf = [];
+ if (str[0] === '\xFE' && str[1] === '\xFF') {
+ // UTF16BE BOM
+ for (i = 2; i < n; i += 2) {
+ strBuf.push(String.fromCharCode(
+ (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1)));
+ }
+ } else {
+ for (i = 0; i < n; ++i) {
+ var code = PDFStringTranslateTable[str.charCodeAt(i)];
+ strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+ }
+ }
+ return strBuf.join('');
+}
+
+function stringToUTF8String(str) {
+ return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+ return unescape(encodeURIComponent(str));
+}
+
+function isEmptyObj(obj) {
+ for (var key in obj) {
+ return false;
+ }
+ return true;
+}
+
+function isBool(v) {
+ return typeof v === 'boolean';
+}
+
+function isInt(v) {
+ return typeof v === 'number' && ((v | 0) === v);
+}
+
+function isNum(v) {
+ return typeof v === 'number';
+}
+
+function isString(v) {
+ return typeof v === 'string';
+}
+
+function isArray(v) {
+ return v instanceof Array;
+}
+
+function isArrayBuffer(v) {
+ return typeof v === 'object' && v !== null && v.byteLength !== undefined;
+}
+
+// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.
+function isSpace(ch) {
+ return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A);
+}
+
+/**
+ * Promise Capability object.
+ *
+ * @typedef {Object} PromiseCapability
+ * @property {Promise} promise - A promise object.
+ * @property {function} resolve - Fulfills the promise.
+ * @property {function} reject - Rejects the promise.
+ */
+
+/**
+ * Creates a promise capability object.
+ * @alias createPromiseCapability
+ *
+ * @return {PromiseCapability} A capability object contains:
+ * - a Promise, resolve and reject methods.
+ */
+function createPromiseCapability() {
+ var capability = {};
+ capability.promise = new Promise(function (resolve, reject) {
+ capability.resolve = resolve;
+ capability.reject = reject;
+ });
+ return capability;
+}
+
+/**
+ * Polyfill for Promises:
+ * The following promise implementation tries to generally implement the
+ * Promise/A+ spec. Some notable differences from other promise libraries are:
+ * - There currently isn't a separate deferred and promise object.
+ * - Unhandled rejections eventually show an error if they aren't handled.
+ *
+ * Based off of the work in:
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=810490
+ */
+(function PromiseClosure() {
+ if (globalScope.Promise) {
+ // Promises existing in the DOM/Worker, checking presence of all/resolve
+ if (typeof globalScope.Promise.all !== 'function') {
+ globalScope.Promise.all = function (iterable) {
+ var count = 0, results = [], resolve, reject;
+ var promise = new globalScope.Promise(function (resolve_, reject_) {
+ resolve = resolve_;
+ reject = reject_;
+ });
+ iterable.forEach(function (p, i) {
+ count++;
+ p.then(function (result) {
+ results[i] = result;
+ count--;
+ if (count === 0) {
+ resolve(results);
+ }
+ }, reject);
+ });
+ if (count === 0) {
+ resolve(results);
+ }
+ return promise;
+ };
+ }
+ if (typeof globalScope.Promise.resolve !== 'function') {
+ globalScope.Promise.resolve = function (value) {
+ return new globalScope.Promise(function (resolve) { resolve(value); });
+ };
+ }
+ if (typeof globalScope.Promise.reject !== 'function') {
+ globalScope.Promise.reject = function (reason) {
+ return new globalScope.Promise(function (resolve, reject) {
+ reject(reason);
+ });
+ };
+ }
+ if (typeof globalScope.Promise.prototype.catch !== 'function') {
+ globalScope.Promise.prototype.catch = function (onReject) {
+ return globalScope.Promise.prototype.then(undefined, onReject);
+ };
+ }
+ return;
+ }
+ 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} promises array of data and/or promises to wait for.
+ * @return {Promise} New dependent 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;
+})();
+
+(function WeakMapClosure() {
+ if (globalScope.WeakMap) {
+ return;
+ }
+
+ var id = 0;
+ function WeakMap() {
+ this.id = '$weakmap' + (id++);
+ }
+ WeakMap.prototype = {
+ has: function(obj) {
+ return !!Object.getOwnPropertyDescriptor(obj, this.id);
+ },
+ get: function(obj, defaultValue) {
+ return this.has(obj) ? obj[this.id] : defaultValue;
+ },
+ set: function(obj, value) {
+ Object.defineProperty(obj, this.id, {
+ value: value,
+ enumerable: false,
+ configurable: true
+ });
+ },
+ delete: function(obj) {
+ delete obj[this.id];
+ }
+ };
+
+ globalScope.WeakMap = WeakMap;
+})();
+
+var StatTimer = (function StatTimerClosure() {
+ function rpad(str, pad, length) {
+ while (str.length < length) {
+ str += pad;
+ }
+ return str;
+ }
+ function StatTimer() {
+ this.started = Object.create(null);
+ this.times = [];
+ this.enabled = true;
+ }
+ StatTimer.prototype = {
+ time: function StatTimer_time(name) {
+ if (!this.enabled) {
+ return;
+ }
+ if (name in this.started) {
+ warn('Timer is already running for ' + name);
+ }
+ this.started[name] = Date.now();
+ },
+ timeEnd: function StatTimer_timeEnd(name) {
+ if (!this.enabled) {
+ return;
+ }
+ if (!(name in this.started)) {
+ warn('Timer has not been started for ' + name);
+ }
+ this.times.push({
+ 'name': name,
+ 'start': this.started[name],
+ 'end': Date.now()
+ });
+ // Remove timer from started so it can be called again.
+ delete this.started[name];
+ },
+ toString: function StatTimer_toString() {
+ var i, ii;
+ var times = this.times;
+ var out = '';
+ // Find the longest name for padding purposes.
+ var longest = 0;
+ for (i = 0, ii = times.length; i < ii; ++i) {
+ var name = times[i]['name'];
+ if (name.length > longest) {
+ longest = name.length;
+ }
+ }
+ for (i = 0, ii = times.length; i < ii; ++i) {
+ var span = times[i];
+ var duration = span.end - span.start;
+ out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
+ }
+ return out;
+ }
+ };
+ return StatTimer;
+})();
+
+var createBlob = function createBlob(data, contentType) {
+ if (typeof Blob !== 'undefined') {
+ return new Blob([data], { type: contentType });
+ }
+ warn('The "Blob" constructor is not supported.');
+};
+
+var createObjectURL = (function createObjectURLClosure() {
+ // Blob/createObjectURL is not available, falling back to data schema.
+ var digits =
+ 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+
+ return function createObjectURL(data, contentType, forceDataSchema) {
+ if (!forceDataSchema &&
+ typeof URL !== 'undefined' && URL.createObjectURL) {
+ var blob = createBlob(data, contentType);
+ return URL.createObjectURL(blob);
+ }
+
+ var buffer = 'data:' + contentType + ';base64,';
+ for (var i = 0, ii = data.length; i < ii; i += 3) {
+ var b1 = data[i] & 0xFF;
+ var b2 = data[i + 1] & 0xFF;
+ var b3 = data[i + 2] & 0xFF;
+ var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
+ var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
+ var d4 = i + 2 < ii ? (b3 & 0x3F) : 64;
+ buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+ }
+ return buffer;
+ };
+})();
+
+function MessageHandler(sourceName, targetName, comObj) {
+ this.sourceName = sourceName;
+ this.targetName = targetName;
+ this.comObj = comObj;
+ this.callbackIndex = 1;
+ this.postMessageTransfers = true;
+ var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
+ var ah = this.actionHandler = Object.create(null);
+
+ this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
+ var data = event.data;
+ if (data.targetName !== this.sourceName) {
+ return;
+ }
+ if (data.isReply) {
+ var callbackId = data.callbackId;
+ if (data.callbackId in callbacksCapabilities) {
+ var callback = callbacksCapabilities[callbackId];
+ delete callbacksCapabilities[callbackId];
+ if ('error' in data) {
+ callback.reject(data.error);
+ } else {
+ callback.resolve(data.data);
+ }
+ } else {
+ error('Cannot resolve callback ' + callbackId);
+ }
+ } else if (data.action in ah) {
+ var action = ah[data.action];
+ if (data.callbackId) {
+ var sourceName = this.sourceName;
+ var targetName = data.sourceName;
+ Promise.resolve().then(function () {
+ return action[0].call(action[1], data.data);
+ }).then(function (result) {
+ comObj.postMessage({
+ sourceName: sourceName,
+ targetName: targetName,
+ isReply: true,
+ callbackId: data.callbackId,
+ data: result
+ });
+ }, function (reason) {
+ if (reason instanceof Error) {
+ // Serialize error to avoid "DataCloneError"
+ reason = reason + '';
+ }
+ comObj.postMessage({
+ sourceName: sourceName,
+ targetName: targetName,
+ isReply: true,
+ callbackId: data.callbackId,
+ error: reason
+ });
+ });
+ } else {
+ action[0].call(action[1], data.data);
+ }
+ } else {
+ error('Unknown action from worker: ' + data.action);
+ }
+ }.bind(this);
+ comObj.addEventListener('message', this._onComObjOnMessage);
+}
+
+MessageHandler.prototype = {
+ on: function messageHandlerOn(actionName, handler, scope) {
+ var ah = this.actionHandler;
+ if (ah[actionName]) {
+ error('There is already an actionName called "' + actionName + '"');
+ }
+ ah[actionName] = [handler, scope];
+ },
+ /**
+ * Sends a message to the comObj to invoke the action with the supplied data.
+ * @param {String} actionName Action to call.
+ * @param {JSON} data JSON data to send.
+ * @param {Array} [transfers] Optional list of transfers/ArrayBuffers
+ */
+ send: function messageHandlerSend(actionName, data, transfers) {
+ var message = {
+ sourceName: this.sourceName,
+ targetName: this.targetName,
+ action: actionName,
+ data: data
+ };
+ this.postMessage(message, transfers);
+ },
+ /**
+ * Sends a message to the comObj to invoke the action with the supplied data.
+ * Expects that other side will callback with the response.
+ * @param {String} actionName Action to call.
+ * @param {JSON} data JSON data to send.
+ * @param {Array} [transfers] Optional list of transfers/ArrayBuffers.
+ * @returns {Promise} Promise to be resolved with response data.
+ */
+ sendWithPromise:
+ function messageHandlerSendWithPromise(actionName, data, transfers) {
+ var callbackId = this.callbackIndex++;
+ var message = {
+ sourceName: this.sourceName,
+ targetName: this.targetName,
+ action: actionName,
+ data: data,
+ callbackId: callbackId
+ };
+ var capability = createPromiseCapability();
+ this.callbacksCapabilities[callbackId] = capability;
+ try {
+ this.postMessage(message, transfers);
+ } catch (e) {
+ capability.reject(e);
+ }
+ return capability.promise;
+ },
+ /**
+ * Sends raw message to the comObj.
+ * @private
+ * @param message {Object} Raw message.
+ * @param transfers List of transfers/ArrayBuffers, or undefined.
+ */
+ postMessage: function (message, transfers) {
+ if (transfers && this.postMessageTransfers) {
+ this.comObj.postMessage(message, transfers);
+ } else {
+ this.comObj.postMessage(message);
+ }
+ },
+
+ destroy: function () {
+ this.comObj.removeEventListener('message', this._onComObjOnMessage);
+ }
+};
+
+function loadJpegStream(id, imageUrl, objs) {
+ var img = new Image();
+ img.onload = (function loadJpegStream_onloadClosure() {
+ objs.resolve(id, img);
+ });
+ img.onerror = (function loadJpegStream_onerrorClosure() {
+ objs.resolve(id, null);
+ warn('Error during JPEG image loading');
+ });
+ img.src = imageUrl;
+}
+
+ // Polyfill from https://github.com/Polymer/URL
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+(function checkURLConstructor(scope) {
+ // feature detect for URL constructor
+ var hasWorkingUrl = false;
+ try {
+ if (typeof URL === 'function' &&
+ typeof URL.prototype === 'object' &&
+ ('origin' in URL.prototype)) {
+ var u = new URL('b', 'http://a');
+ u.pathname = 'c%20d';
+ hasWorkingUrl = u.href === 'http://a/c%20d';
+ }
+ } catch(e) { }
+
+ if (hasWorkingUrl) {
+ return;
+ }
+
+ var relative = Object.create(null);
+ relative['ftp'] = 21;
+ relative['file'] = 0;
+ relative['gopher'] = 70;
+ relative['http'] = 80;
+ relative['https'] = 443;
+ relative['ws'] = 80;
+ relative['wss'] = 443;
+
+ var relativePathDotMapping = Object.create(null);
+ relativePathDotMapping['%2e'] = '.';
+ relativePathDotMapping['.%2e'] = '..';
+ relativePathDotMapping['%2e.'] = '..';
+ relativePathDotMapping['%2e%2e'] = '..';
+
+ function isRelativeScheme(scheme) {
+ return relative[scheme] !== undefined;
+ }
+
+ function invalid() {
+ clear.call(this);
+ this._isInvalid = true;
+ }
+
+ function IDNAToASCII(h) {
+ if ('' === h) {
+ invalid.call(this);
+ }
+ // XXX
+ return h.toLowerCase();
+ }
+
+ function percentEscape(c) {
+ var unicode = c.charCodeAt(0);
+ if (unicode > 0x20 &&
+ unicode < 0x7F &&
+ // " # < > ? `
+ [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1
+ ) {
+ return c;
+ }
+ return encodeURIComponent(c);
+ }
+
+ function percentEscapeQuery(c) {
+ // XXX This actually needs to encode c using encoding and then
+ // convert the bytes one-by-one.
+
+ var unicode = c.charCodeAt(0);
+ if (unicode > 0x20 &&
+ unicode < 0x7F &&
+ // " # < > ` (do not escape '?')
+ [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1
+ ) {
+ return c;
+ }
+ return encodeURIComponent(c);
+ }
+
+ var EOF, ALPHA = /[a-zA-Z]/,
+ ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
+
+ function parse(input, stateOverride, base) {
+ function err(message) {
+ errors.push(message);
+ }
+
+ var state = stateOverride || 'scheme start',
+ cursor = 0,
+ buffer = '',
+ seenAt = false,
+ seenBracket = false,
+ errors = [];
+
+ loop: while ((input[cursor - 1] !== EOF || cursor === 0) &&
+ !this._isInvalid) {
+ var c = input[cursor];
+ switch (state) {
+ case 'scheme start':
+ if (c && ALPHA.test(c)) {
+ buffer += c.toLowerCase(); // ASCII-safe
+ state = 'scheme';
+ } else if (!stateOverride) {
+ buffer = '';
+ state = 'no scheme';
+ continue;
+ } else {
+ err('Invalid scheme.');
+ break loop;
+ }
+ break;
+
+ case 'scheme':
+ if (c && ALPHANUMERIC.test(c)) {
+ buffer += c.toLowerCase(); // ASCII-safe
+ } else if (':' === c) {
+ this._scheme = buffer;
+ buffer = '';
+ if (stateOverride) {
+ break loop;
+ }
+ if (isRelativeScheme(this._scheme)) {
+ this._isRelative = true;
+ }
+ if ('file' === this._scheme) {
+ state = 'relative';
+ } else if (this._isRelative && base &&
+ base._scheme === this._scheme) {
+ state = 'relative or authority';
+ } else if (this._isRelative) {
+ state = 'authority first slash';
+ } else {
+ state = 'scheme data';
+ }
+ } else if (!stateOverride) {
+ buffer = '';
+ cursor = 0;
+ state = 'no scheme';
+ continue;
+ } else if (EOF === c) {
+ break loop;
+ } else {
+ err('Code point not allowed in scheme: ' + c);
+ break loop;
+ }
+ break;
+
+ case 'scheme data':
+ if ('?' === c) {
+ this._query = '?';
+ state = 'query';
+ } else if ('#' === c) {
+ this._fragment = '#';
+ state = 'fragment';
+ } else {
+ // XXX error handling
+ if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
+ this._schemeData += percentEscape(c);
+ }
+ }
+ break;
+
+ case 'no scheme':
+ if (!base || !(isRelativeScheme(base._scheme))) {
+ err('Missing scheme.');
+ invalid.call(this);
+ } else {
+ state = 'relative';
+ continue;
+ }
+ break;
+
+ case 'relative or authority':
+ if ('/' === c && '/' === input[cursor+1]) {
+ state = 'authority ignore slashes';
+ } else {
+ err('Expected /, got: ' + c);
+ state = 'relative';
+ continue;
+ }
+ break;
+
+ case 'relative':
+ this._isRelative = true;
+ if ('file' !== this._scheme) {
+ this._scheme = base._scheme;
+ }
+ if (EOF === c) {
+ this._host = base._host;
+ this._port = base._port;
+ this._path = base._path.slice();
+ this._query = base._query;
+ this._username = base._username;
+ this._password = base._password;
+ break loop;
+ } else if ('/' === c || '\\' === c) {
+ if ('\\' === c) {
+ err('\\ is an invalid code point.');
+ }
+ state = 'relative slash';
+ } else if ('?' === c) {
+ this._host = base._host;
+ this._port = base._port;
+ this._path = base._path.slice();
+ this._query = '?';
+ this._username = base._username;
+ this._password = base._password;
+ state = 'query';
+ } else if ('#' === c) {
+ this._host = base._host;
+ this._port = base._port;
+ this._path = base._path.slice();
+ this._query = base._query;
+ this._fragment = '#';
+ this._username = base._username;
+ this._password = base._password;
+ state = 'fragment';
+ } else {
+ var nextC = input[cursor+1];
+ var nextNextC = input[cursor+2];
+ if ('file' !== this._scheme || !ALPHA.test(c) ||
+ (nextC !== ':' && nextC !== '|') ||
+ (EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC &&
+ '?' !== nextNextC && '#' !== nextNextC)) {
+ this._host = base._host;
+ this._port = base._port;
+ this._username = base._username;
+ this._password = base._password;
+ this._path = base._path.slice();
+ this._path.pop();
+ }
+ state = 'relative path';
+ continue;
+ }
+ break;
+
+ case 'relative slash':
+ if ('/' === c || '\\' === c) {
+ if ('\\' === c) {
+ err('\\ is an invalid code point.');
+ }
+ if ('file' === this._scheme) {
+ state = 'file host';
+ } else {
+ state = 'authority ignore slashes';
+ }
+ } else {
+ if ('file' !== this._scheme) {
+ this._host = base._host;
+ this._port = base._port;
+ this._username = base._username;
+ this._password = base._password;
+ }
+ state = 'relative path';
+ continue;
+ }
+ break;
+
+ case 'authority first slash':
+ if ('/' === c) {
+ state = 'authority second slash';
+ } else {
+ err('Expected \'/\', got: ' + c);
+ state = 'authority ignore slashes';
+ continue;
+ }
+ break;
+
+ case 'authority second slash':
+ state = 'authority ignore slashes';
+ if ('/' !== c) {
+ err('Expected \'/\', got: ' + c);
+ continue;
+ }
+ break;
+
+ case 'authority ignore slashes':
+ if ('/' !== c && '\\' !== c) {
+ state = 'authority';
+ continue;
+ } else {
+ err('Expected authority, got: ' + c);
+ }
+ break;
+
+ case 'authority':
+ if ('@' === c) {
+ if (seenAt) {
+ err('@ already seen.');
+ buffer += '%40';
+ }
+ seenAt = true;
+ for (var i = 0; i < buffer.length; i++) {
+ var cp = buffer[i];
+ if ('\t' === cp || '\n' === cp || '\r' === cp) {
+ err('Invalid whitespace in authority.');
+ continue;
+ }
+ // XXX check URL code points
+ if (':' === cp && null === this._password) {
+ this._password = '';
+ continue;
+ }
+ var tempC = percentEscape(cp);
+ if (null !== this._password) {
+ this._password += tempC;
+ } else {
+ this._username += tempC;
+ }
+ }
+ buffer = '';
+ } else if (EOF === c || '/' === c || '\\' === c ||
+ '?' === c || '#' === c) {
+ cursor -= buffer.length;
+ buffer = '';
+ state = 'host';
+ continue;
+ } else {
+ buffer += c;
+ }
+ break;
+
+ case 'file host':
+ if (EOF === c || '/' === c || '\\' === c || '?' === c || '#' === c) {
+ if (buffer.length === 2 && ALPHA.test(buffer[0]) &&
+ (buffer[1] === ':' || buffer[1] === '|')) {
+ state = 'relative path';
+ } else if (buffer.length === 0) {
+ state = 'relative path start';
+ } else {
+ this._host = IDNAToASCII.call(this, buffer);
+ buffer = '';
+ state = 'relative path start';
+ }
+ continue;
+ } else if ('\t' === c || '\n' === c || '\r' === c) {
+ err('Invalid whitespace in file host.');
+ } else {
+ buffer += c;
+ }
+ break;
+
+ case 'host':
+ case 'hostname':
+ if (':' === c && !seenBracket) {
+ // XXX host parsing
+ this._host = IDNAToASCII.call(this, buffer);
+ buffer = '';
+ state = 'port';
+ if ('hostname' === stateOverride) {
+ break loop;
+ }
+ } else if (EOF === c || '/' === c ||
+ '\\' === c || '?' === c || '#' === c) {
+ this._host = IDNAToASCII.call(this, buffer);
+ buffer = '';
+ state = 'relative path start';
+ if (stateOverride) {
+ break loop;
+ }
+ continue;
+ } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
+ if ('[' === c) {
+ seenBracket = true;
+ } else if (']' === c) {
+ seenBracket = false;
+ }
+ buffer += c;
+ } else {
+ err('Invalid code point in host/hostname: ' + c);
+ }
+ break;
+
+ case 'port':
+ if (/[0-9]/.test(c)) {
+ buffer += c;
+ } else if (EOF === c || '/' === c || '\\' === c ||
+ '?' === c || '#' === c || stateOverride) {
+ if ('' !== buffer) {
+ var temp = parseInt(buffer, 10);
+ if (temp !== relative[this._scheme]) {
+ this._port = temp + '';
+ }
+ buffer = '';
+ }
+ if (stateOverride) {
+ break loop;
+ }
+ state = 'relative path start';
+ continue;
+ } else if ('\t' === c || '\n' === c || '\r' === c) {
+ err('Invalid code point in port: ' + c);
+ } else {
+ invalid.call(this);
+ }
+ break;
+
+ case 'relative path start':
+ if ('\\' === c) {
+ err('\'\\\' not allowed in path.');
+ }
+ state = 'relative path';
+ if ('/' !== c && '\\' !== c) {
+ continue;
+ }
+ break;
+
+ case 'relative path':
+ if (EOF === c || '/' === c || '\\' === c ||
+ (!stateOverride && ('?' === c || '#' === c))) {
+ if ('\\' === c) {
+ err('\\ not allowed in relative path.');
+ }
+ var tmp;
+ if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
+ buffer = tmp;
+ }
+ if ('..' === buffer) {
+ this._path.pop();
+ if ('/' !== c && '\\' !== c) {
+ this._path.push('');
+ }
+ } else if ('.' === buffer && '/' !== c && '\\' !== c) {
+ this._path.push('');
+ } else if ('.' !== buffer) {
+ if ('file' === this._scheme && this._path.length === 0 &&
+ buffer.length === 2 && ALPHA.test(buffer[0]) &&
+ buffer[1] === '|') {
+ buffer = buffer[0] + ':';
+ }
+ this._path.push(buffer);
+ }
+ buffer = '';
+ if ('?' === c) {
+ this._query = '?';
+ state = 'query';
+ } else if ('#' === c) {
+ this._fragment = '#';
+ state = 'fragment';
+ }
+ } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
+ buffer += percentEscape(c);
+ }
+ break;
+
+ case 'query':
+ if (!stateOverride && '#' === c) {
+ this._fragment = '#';
+ state = 'fragment';
+ } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
+ this._query += percentEscapeQuery(c);
+ }
+ break;
+
+ case 'fragment':
+ if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
+ this._fragment += c;
+ }
+ break;
+ }
+
+ cursor++;
+ }
+ }
+
+ function clear() {
+ this._scheme = '';
+ this._schemeData = '';
+ this._username = '';
+ this._password = null;
+ this._host = '';
+ this._port = '';
+ this._path = [];
+ this._query = '';
+ this._fragment = '';
+ this._isInvalid = false;
+ this._isRelative = false;
+ }
+
+ // Does not process domain names or IP addresses.
+ // Does not handle encoding for the query parameter.
+ function JURL(url, base /* , encoding */) {
+ if (base !== undefined && !(base instanceof JURL)) {
+ base = new JURL(String(base));
+ }
+
+ this._url = url;
+ clear.call(this);
+
+ var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
+ // encoding = encoding || 'utf-8'
+
+ parse.call(this, input, null, base);
+ }
+
+ JURL.prototype = {
+ toString: function() {
+ return this.href;
+ },
+ get href() {
+ if (this._isInvalid) {
+ return this._url;
+ }
+ var authority = '';
+ if ('' !== this._username || null !== this._password) {
+ authority = this._username +
+ (null !== this._password ? ':' + this._password : '') + '@';
+ }
+
+ return this.protocol +
+ (this._isRelative ? '//' + authority + this.host : '') +
+ this.pathname + this._query + this._fragment;
+ },
+ set href(href) {
+ clear.call(this);
+ parse.call(this, href);
+ },
+
+ get protocol() {
+ return this._scheme + ':';
+ },
+ set protocol(protocol) {
+ if (this._isInvalid) {
+ return;
+ }
+ parse.call(this, protocol + ':', 'scheme start');
+ },
+
+ get host() {
+ return this._isInvalid ? '' : this._port ?
+ this._host + ':' + this._port : this._host;
+ },
+ set host(host) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ parse.call(this, host, 'host');
+ },
+
+ get hostname() {
+ return this._host;
+ },
+ set hostname(hostname) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ parse.call(this, hostname, 'hostname');
+ },
+
+ get port() {
+ return this._port;
+ },
+ set port(port) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ parse.call(this, port, 'port');
+ },
+
+ get pathname() {
+ return this._isInvalid ? '' : this._isRelative ?
+ '/' + this._path.join('/') : this._schemeData;
+ },
+ set pathname(pathname) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ this._path = [];
+ parse.call(this, pathname, 'relative path start');
+ },
+
+ get search() {
+ return this._isInvalid || !this._query || '?' === this._query ?
+ '' : this._query;
+ },
+ set search(search) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ this._query = '?';
+ if ('?' === search[0]) {
+ search = search.slice(1);
+ }
+ parse.call(this, search, 'query');
+ },
+
+ get hash() {
+ return this._isInvalid || !this._fragment || '#' === this._fragment ?
+ '' : this._fragment;
+ },
+ set hash(hash) {
+ if (this._isInvalid) {
+ return;
+ }
+ this._fragment = '#';
+ if ('#' === hash[0]) {
+ hash = hash.slice(1);
+ }
+ parse.call(this, hash, 'fragment');
+ },
+
+ get origin() {
+ var host;
+ if (this._isInvalid || !this._scheme) {
+ return '';
+ }
+ // javascript: Gecko returns String(""), WebKit/Blink String("null")
+ // Gecko throws error for "data://"
+ // data: Gecko returns "", Blink returns "data://", WebKit returns "null"
+ // Gecko returns String("") for file: mailto:
+ // WebKit/Blink returns String("SCHEME://") for file: mailto:
+ switch (this._scheme) {
+ case 'data':
+ case 'file':
+ case 'javascript':
+ case 'mailto':
+ return 'null';
+ }
+ host = this.host;
+ if (!host) {
+ return '';
+ }
+ return this._scheme + '://' + host;
+ }
+ };
+
+ // Copy over the static methods
+ var OriginalURL = scope.URL;
+ if (OriginalURL) {
+ JURL.createObjectURL = function(blob) {
+ // IE extension allows a second optional options argument.
+ // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx
+ return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
+ };
+ JURL.revokeObjectURL = function(url) {
+ OriginalURL.revokeObjectURL(url);
+ };
+ }
+
+ scope.URL = JURL;
+})(globalScope);
+
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+exports.OPS = OPS;
+exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+exports.AnnotationFlag = AnnotationFlag;
+exports.AnnotationType = AnnotationType;
+exports.FontType = FontType;
+exports.ImageKind = ImageKind;
+exports.InvalidPDFException = InvalidPDFException;
+exports.MessageHandler = MessageHandler;
+exports.MissingDataException = MissingDataException;
+exports.MissingPDFException = MissingPDFException;
+exports.NotImplementedException = NotImplementedException;
+exports.PageViewport = PageViewport;
+exports.PasswordException = PasswordException;
+exports.PasswordResponses = PasswordResponses;
+exports.StatTimer = StatTimer;
+exports.StreamType = StreamType;
+exports.TextRenderingMode = TextRenderingMode;
+exports.UnexpectedResponseException = UnexpectedResponseException;
+exports.UnknownErrorException = UnknownErrorException;
+exports.Util = Util;
+exports.XRefParseException = XRefParseException;
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createBlob = createBlob;
+exports.createPromiseCapability = createPromiseCapability;
+exports.createObjectURL = createObjectURL;
+exports.deprecated = deprecated;
+exports.error = error;
+exports.getLookupTableFactory = getLookupTableFactory;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.globalScope = globalScope;
+exports.info = info;
+exports.isArray = isArray;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isBool = isBool;
+exports.isEmptyObj = isEmptyObj;
+exports.isInt = isInt;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSpace = isSpace;
+exports.isSameOrigin = isSameOrigin;
+exports.isValidUrl = isValidUrl;
+exports.isLittleEndian = isLittleEndian;
+exports.isEvalSupported = isEvalSupported;
+exports.loadJpegStream = loadJpegStream;
+exports.log2 = log2;
+exports.readInt8 = readInt8;
+exports.readUint16 = readUint16;
+exports.readUint32 = readUint32;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayDOMUtils = {}), root.pdfjsSharedUtil);
+ }
+}(this, function (exports, sharedUtil) {
+
+var removeNullCharacters = sharedUtil.removeNullCharacters;
+var warn = sharedUtil.warn;
+
+/**
+ * Optimised CSS custom property getter/setter.
+ * @class
+ */
+var CustomStyle = (function CustomStyleClosure() {
+
+ // As noted on: http://www.zachstronaut.com/posts/2009/02/17/
+ // animate-css-transforms-firefox-webkit.html
+ // in some versions of IE9 it is critical that ms appear in this list
+ // before Moz
+ var prefixes = ['ms', 'Moz', 'Webkit', 'O'];
+ var _cache = Object.create(null);
+
+ function CustomStyle() {}
+
+ CustomStyle.getProp = function get(propName, element) {
+ // check cache only when no element is given
+ if (arguments.length === 1 && typeof _cache[propName] === 'string') {
+ return _cache[propName];
+ }
+
+ element = element || document.documentElement;
+ var style = element.style, prefixed, uPropName;
+
+ // test standard property first
+ if (typeof style[propName] === 'string') {
+ return (_cache[propName] = propName);
+ }
+
+ // capitalize
+ uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
+
+ // test vendor specific properties
+ for (var i = 0, l = prefixes.length; i < l; i++) {
+ prefixed = prefixes[i] + uPropName;
+ if (typeof style[prefixed] === 'string') {
+ return (_cache[propName] = prefixed);
+ }
+ }
+
+ //if all fails then set to undefined
+ return (_cache[propName] = 'undefined');
+ };
+
+ CustomStyle.setProp = function set(propName, element, str) {
+ var prop = this.getProp(propName);
+ if (prop !== 'undefined') {
+ element.style[prop] = str;
+ }
+ };
+
+ return CustomStyle;
+})();
+
+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');
+}
+
+var LinkTarget = {
+ NONE: 0, // Default value.
+ SELF: 1,
+ BLANK: 2,
+ PARENT: 3,
+ TOP: 4,
+};
+
+var LinkTargetStringMap = [
+ '',
+ '_self',
+ '_blank',
+ '_parent',
+ '_top'
+];
+
+/**
+ * @typedef ExternalLinkParameters
+ * @typedef {Object} ExternalLinkParameters
+ * @property {string} url - An absolute URL.
+ * @property {LinkTarget} target - The link target.
+ * @property {string} rel - The link relationship.
+ */
+
+/**
+ * Adds various attributes (href, title, target, rel) to hyperlinks.
+ * @param {HTMLLinkElement} link - The link element.
+ * @param {ExternalLinkParameters} params
+ */
+function addLinkAttributes(link, params) {
+ var url = params && params.url;
+ link.href = link.title = (url ? removeNullCharacters(url) : '');
+
+ if (url) {
+ var target = params.target;
+ if (typeof target === 'undefined') {
+ target = getDefaultSetting('externalLinkTarget');
+ }
+ link.target = LinkTargetStringMap[target];
+
+ var rel = params.rel;
+ if (typeof rel === 'undefined') {
+ rel = getDefaultSetting('externalLinkRel');
+ }
+ link.rel = rel;
+ }
+}
+
+// Gets the file name from a given URL.
+function getFilenameFromUrl(url) {
+ var anchor = url.indexOf('#');
+ var query = url.indexOf('?');
+ var end = Math.min(
+ anchor > 0 ? anchor : url.length,
+ query > 0 ? query : url.length);
+ return url.substring(url.lastIndexOf('/', end) + 1, end);
+}
+
+function getDefaultSetting(id) {
+ // The list of the settings and their default is maintained for backward
+ // compatibility and shall not be extended or modified. See also global.js.
+ var globalSettings = sharedUtil.globalScope.PDFJS;
+ switch (id) {
+ case 'pdfBug':
+ return globalSettings ? globalSettings.pdfBug : false;
+ case 'disableAutoFetch':
+ return globalSettings ? globalSettings.disableAutoFetch : false;
+ case 'disableStream':
+ return globalSettings ? globalSettings.disableStream : false;
+ case 'disableRange':
+ return globalSettings ? globalSettings.disableRange : false;
+ case 'disableFontFace':
+ return globalSettings ? globalSettings.disableFontFace : false;
+ case 'disableCreateObjectURL':
+ return globalSettings ? globalSettings.disableCreateObjectURL : false;
+ case 'disableWebGL':
+ return globalSettings ? globalSettings.disableWebGL : true;
+ case 'cMapUrl':
+ return globalSettings ? globalSettings.cMapUrl : null;
+ case 'cMapPacked':
+ return globalSettings ? globalSettings.cMapPacked : false;
+ case 'postMessageTransfers':
+ return globalSettings ? globalSettings.postMessageTransfers : true;
+ case 'workerSrc':
+ return globalSettings ? globalSettings.workerSrc : null;
+ case 'disableWorker':
+ return globalSettings ? globalSettings.disableWorker : false;
+ case 'maxImageSize':
+ return globalSettings ? globalSettings.maxImageSize : -1;
+ case 'imageResourcesPath':
+ return globalSettings ? globalSettings.imageResourcesPath : '';
+ case 'isEvalSupported':
+ return globalSettings ? globalSettings.isEvalSupported : true;
+ case 'externalLinkTarget':
+ if (!globalSettings) {
+ return LinkTarget.NONE;
+ }
+ switch (globalSettings.externalLinkTarget) {
+ case LinkTarget.NONE:
+ case LinkTarget.SELF:
+ case LinkTarget.BLANK:
+ case LinkTarget.PARENT:
+ case LinkTarget.TOP:
+ return globalSettings.externalLinkTarget;
+ }
+ warn('PDFJS.externalLinkTarget is invalid: ' +
+ globalSettings.externalLinkTarget);
+ // Reset the external link target, to suppress further warnings.
+ globalSettings.externalLinkTarget = LinkTarget.NONE;
+ return LinkTarget.NONE;
+ case 'externalLinkRel':
+ return globalSettings ? globalSettings.externalLinkRel : 'noreferrer';
+ case 'enableStats':
+ return !!(globalSettings && globalSettings.enableStats);
+ default:
+ throw new Error('Unknown default setting: ' + id);
+ }
+}
+
+function isExternalLinkTargetSet() {
+ var externalLinkTarget = getDefaultSetting('externalLinkTarget');
+ switch (externalLinkTarget) {
+ case LinkTarget.NONE:
+ return false;
+ case LinkTarget.SELF:
+ case LinkTarget.BLANK:
+ case LinkTarget.PARENT:
+ case LinkTarget.TOP:
+ return true;
+ }
+}
+
+exports.CustomStyle = CustomStyle;
+exports.addLinkAttributes = addLinkAttributes;
+exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
+exports.getFilenameFromUrl = getFilenameFromUrl;
+exports.LinkTarget = LinkTarget;
+exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
+exports.getDefaultSetting = getDefaultSetting;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayFontLoader = {}), root.pdfjsSharedUtil);
+ }
+}(this, function (exports, sharedUtil) {
+
+var assert = sharedUtil.assert;
+var bytesToString = sharedUtil.bytesToString;
+var string32 = sharedUtil.string32;
+var shadow = sharedUtil.shadow;
+var warn = sharedUtil.warn;
+
+function FontLoader(docId) {
+ this.docId = docId;
+ this.styleElement = null;
+ this.nativeFontFaces = [];
+ this.loadTestFontId = 0;
+ this.loadingContext = {
+ requests: [],
+ nextRequestId: 0
+ };
+}
+FontLoader.prototype = {
+ insertRule: function fontLoaderInsertRule(rule) {
+ var styleElement = this.styleElement;
+ if (!styleElement) {
+ styleElement = this.styleElement = document.createElement('style');
+ styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
+ document.documentElement.getElementsByTagName('head')[0].appendChild(
+ styleElement);
+ }
+
+ var styleSheet = styleElement.sheet;
+ styleSheet.insertRule(rule, styleSheet.cssRules.length);
+ },
+
+ clear: function fontLoaderClear() {
+ var styleElement = this.styleElement;
+ if (styleElement) {
+ styleElement.parentNode.removeChild(styleElement);
+ styleElement = this.styleElement = null;
+ }
+ this.nativeFontFaces.forEach(function(nativeFontFace) {
+ document.fonts.delete(nativeFontFace);
+ });
+ this.nativeFontFaces.length = 0;
+ },
+ get loadTestFont() {
+ // This is a CFF font with 1 glyph for '.' that fills its entire width and
+ // height.
+ return shadow(this, 'loadTestFont', atob(
+ 'T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' +
+ 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' +
+ 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' +
+ 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' +
+ 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' +
+ 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' +
+ 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' +
+ 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' +
+ 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' +
+ 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' +
+ 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' +
+ 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' +
+ 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' +
+ 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' +
+ 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' +
+ 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' +
+ 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' +
+ 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' +
+ 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' +
+ 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' +
+ 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' +
+ 'ABAAAAAAAAAAAD6AAAAAAAAA=='
+ ));
+ },
+
+ addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) {
+ this.nativeFontFaces.push(nativeFontFace);
+ document.fonts.add(nativeFontFace);
+ },
+
+ bind: function fontLoaderBind(fonts, callback) {
+ var rules = [];
+ var fontsToLoad = [];
+ var fontLoadPromises = [];
+ var getNativeFontPromise = function(nativeFontFace) {
+ // Return a promise that is always fulfilled, even when the font fails to
+ // load.
+ return nativeFontFace.loaded.catch(function(e) {
+ warn('Failed to load font "' + nativeFontFace.family + '": ' + e);
+ });
+ };
+ for (var i = 0, ii = fonts.length; i < ii; i++) {
+ var font = fonts[i];
+
+ // Add the font to the DOM only once or skip if the font
+ // is already loaded.
+ if (font.attached || font.loading === false) {
+ continue;
+ }
+ font.attached = true;
+
+ if (FontLoader.isFontLoadingAPISupported) {
+ var nativeFontFace = font.createNativeFontFace();
+ if (nativeFontFace) {
+ this.addNativeFontFace(nativeFontFace);
+ fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
+ }
+ } else {
+ var rule = font.createFontFaceRule();
+ if (rule) {
+ this.insertRule(rule);
+ rules.push(rule);
+ fontsToLoad.push(font);
+ }
+ }
+ }
+
+ var request = this.queueLoadingCallback(callback);
+ if (FontLoader.isFontLoadingAPISupported) {
+ Promise.all(fontLoadPromises).then(function() {
+ request.complete();
+ });
+ } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
+ this.prepareFontLoadEvent(rules, fontsToLoad, request);
+ } else {
+ request.complete();
+ }
+ },
+
+ queueLoadingCallback: function FontLoader_queueLoadingCallback(callback) {
+ function LoadLoader_completeRequest() {
+ assert(!request.end, 'completeRequest() cannot be called twice');
+ request.end = Date.now();
+
+ // sending all completed requests in order how they were queued
+ while (context.requests.length > 0 && context.requests[0].end) {
+ var otherRequest = context.requests.shift();
+ setTimeout(otherRequest.callback, 0);
+ }
+ }
+
+ var context = this.loadingContext;
+ var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++);
+ var request = {
+ id: requestId,
+ complete: LoadLoader_completeRequest,
+ callback: callback,
+ started: Date.now()
+ };
+ context.requests.push(request);
+ return request;
+ },
+
+ prepareFontLoadEvent: function fontLoaderPrepareFontLoadEvent(rules,
+ fonts,
+ request) {
+ /** Hack begin */
+ // There's currently no event when a font has finished downloading so the
+ // following code is a dirty hack to 'guess' when a font is
+ // ready. It's assumed fonts are loaded in order, so add a known test
+ // font after the desired fonts and then test for the loading of that
+ // test font.
+
+ function int32(data, offset) {
+ return (data.charCodeAt(offset) << 24) |
+ (data.charCodeAt(offset + 1) << 16) |
+ (data.charCodeAt(offset + 2) << 8) |
+ (data.charCodeAt(offset + 3) & 0xff);
+ }
+
+ function spliceString(s, offset, remove, insert) {
+ var chunk1 = s.substr(0, offset);
+ var chunk2 = s.substr(offset + remove);
+ return chunk1 + insert + chunk2;
+ }
+
+ var i, ii;
+
+ var canvas = document.createElement('canvas');
+ canvas.width = 1;
+ canvas.height = 1;
+ var ctx = canvas.getContext('2d');
+
+ var called = 0;
+ function isFontReady(name, callback) {
+ called++;
+ // With setTimeout clamping this gives the font ~100ms to load.
+ if(called > 30) {
+ warn('Load test font never loaded.');
+ callback();
+ return;
+ }
+ ctx.font = '30px ' + name;
+ ctx.fillText('.', 0, 20);
+ var imageData = ctx.getImageData(0, 0, 1, 1);
+ if (imageData.data[3] > 0) {
+ callback();
+ return;
+ }
+ setTimeout(isFontReady.bind(null, name, callback));
+ }
+
+ var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
+ // Chromium seems to cache fonts based on a hash of the actual font data,
+ // so the font must be modified for each load test else it will appear to
+ // be loaded already.
+ // TODO: This could maybe be made faster by avoiding the btoa of the full
+ // font by splitting it in chunks before hand and padding the font id.
+ var data = this.loadTestFont;
+ var COMMENT_OFFSET = 976; // has to be on 4 byte boundary (for checksum)
+ data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length,
+ loadTestFontId);
+ // CFF checksum is important for IE, adjusting it
+ var CFF_CHECKSUM_OFFSET = 16;
+ var XXXX_VALUE = 0x58585858; // the "comment" filled with 'X'
+ var checksum = int32(data, CFF_CHECKSUM_OFFSET);
+ for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
+ checksum = (checksum - XXXX_VALUE + int32(loadTestFontId, i)) | 0;
+ }
+ if (i < loadTestFontId.length) { // align to 4 bytes boundary
+ checksum = (checksum - XXXX_VALUE +
+ int32(loadTestFontId + 'XXX', i)) | 0;
+ }
+ data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
+
+ var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
+ var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' +
+ url + '}';
+ this.insertRule(rule);
+
+ var names = [];
+ for (i = 0, ii = fonts.length; i < ii; i++) {
+ names.push(fonts[i].loadedName);
+ }
+ names.push(loadTestFontId);
+
+ var div = document.createElement('div');
+ div.setAttribute('style',
+ 'visibility: hidden;' +
+ 'width: 10px; height: 10px;' +
+ 'position: absolute; top: 0px; left: 0px;');
+ for (i = 0, ii = names.length; i < ii; ++i) {
+ var span = document.createElement('span');
+ span.textContent = 'Hi';
+ span.style.fontFamily = names[i];
+ div.appendChild(span);
+ }
+ document.body.appendChild(div);
+
+ isFontReady(loadTestFontId, function() {
+ document.body.removeChild(div);
+ request.complete();
+ });
+ /** Hack end */
+ }
+};
+FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' &&
+ !!document.fonts;
+Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
+ get: function () {
+ if (typeof navigator === 'undefined') {
+ // node.js - we can pretend sync font loading is supported.
+ return shadow(FontLoader, 'isSyncFontLoadingSupported', true);
+ }
+
+ var supported = false;
+
+ // User agent string sniffing is bad, but there is no reliable way to tell
+ // if font is fully loaded and ready to be used with canvas.
+ var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
+ if (m && m[1] >= 14) {
+ supported = true;
+ }
+ // TODO other browsers
+ return shadow(FontLoader, 'isSyncFontLoadingSupported', supported);
+ },
+ enumerable: true,
+ configurable: true
+});
+
+var IsEvalSupportedCached = {
+ get value() {
+ return shadow(this, 'value', sharedUtil.isEvalSupported());
+ }
+};
+
+var FontFaceObject = (function FontFaceObjectClosure() {
+ function FontFaceObject(translatedData, options) {
+ this.compiledGlyphs = Object.create(null);
+ // importing translated data
+ for (var i in translatedData) {
+ this[i] = translatedData[i];
+ }
+ this.options = options;
+ }
+ FontFaceObject.prototype = {
+ createNativeFontFace: function FontFaceObject_createNativeFontFace() {
+ if (!this.data) {
+ return null;
+ }
+
+ if (this.options.disableFontFace) {
+ this.disableFontFace = true;
+ return null;
+ }
+
+ var nativeFontFace = new FontFace(this.loadedName, this.data, {});
+
+ if (this.options.fontRegistry) {
+ this.options.fontRegistry.registerFont(this);
+ }
+ return nativeFontFace;
+ },
+
+ createFontFaceRule: function FontFaceObject_createFontFaceRule() {
+ if (!this.data) {
+ return null;
+ }
+
+ if (this.options.disableFontFace) {
+ this.disableFontFace = true;
+ return null;
+ }
+
+ var data = bytesToString(new Uint8Array(this.data));
+ var fontName = this.loadedName;
+
+ // Add the font-face rule to the document
+ var url = ('url(data:' + this.mimetype + ';base64,' + btoa(data) + ');');
+ var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
+
+ if (this.options.fontRegistry) {
+ this.options.fontRegistry.registerFont(this, url);
+ }
+
+ return rule;
+ },
+
+ getPathGenerator:
+ function FontFaceObject_getPathGenerator(objs, character) {
+ if (!(character in this.compiledGlyphs)) {
+ var cmds = objs.get(this.loadedName + '_path_' + character);
+ var current, i, len;
+
+ // If we can, compile cmds into JS for MAXIMUM SPEED
+ if (this.options.isEvalSupported && IsEvalSupportedCached.value) {
+ var args, js = '';
+ for (i = 0, len = cmds.length; i < len; i++) {
+ current = cmds[i];
+
+ if (current.args !== undefined) {
+ args = current.args.join(',');
+ } else {
+ args = '';
+ }
+
+ js += 'c.' + current.cmd + '(' + args + ');\n';
+ }
+ /* jshint -W054 */
+ this.compiledGlyphs[character] = new Function('c', 'size', js);
+ } else {
+ // But fall back on using Function.prototype.apply() if we're
+ // blocked from using eval() for whatever reason (like CSP policies)
+ this.compiledGlyphs[character] = function(c, size) {
+ for (i = 0, len = cmds.length; i < len; i++) {
+ current = cmds[i];
+
+ if (current.cmd === 'scale') {
+ current.args = [size, -size];
+ }
+
+ c[current.cmd].apply(c, current.args);
+ }
+ };
+ }
+ }
+ return this.compiledGlyphs[character];
+ }
+ };
+ return FontFaceObject;
+})();
+
+exports.FontFaceObject = FontFaceObject;
+exports.FontLoader = FontLoader;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayMetadata = {}), root.pdfjsSharedUtil);
+ }
+}(this, function (exports, sharedUtil) {
+
+var error = sharedUtil.error;
+
+ function fixMetadata(meta) {
+ return meta.replace(/>\\376\\377([^<]+)/g, function(all, codes) {
+ var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g,
+ function(code, d1, d2, d3) {
+ return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+ });
+ var chars = '';
+ for (var i = 0; i < bytes.length; i += 2) {
+ var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
+ chars += code >= 32 && code < 127 && code !== 60 && code !== 62 &&
+ code !== 38 && false ? String.fromCharCode(code) :
+ '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
+ }
+ return '>' + chars;
+ });
+ }
+
+ function Metadata(meta) {
+ if (typeof meta === 'string') {
+ // Ghostscript produces invalid metadata
+ meta = fixMetadata(meta);
+
+ var parser = new DOMParser();
+ meta = parser.parseFromString(meta, 'application/xml');
+ } else if (!(meta instanceof Document)) {
+ error('Metadata: Invalid metadata object');
+ }
+
+ this.metaDocument = meta;
+ this.metadata = Object.create(null);
+ this.parse();
+ }
+
+ Metadata.prototype = {
+ parse: function Metadata_parse() {
+ var doc = this.metaDocument;
+ var rdf = doc.documentElement;
+
+ if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in <xmpmeta>
+ rdf = rdf.firstChild;
+ while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
+ rdf = rdf.nextSibling;
+ }
+ }
+
+ var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;
+ if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
+ return;
+ }
+
+ var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
+ for (i = 0, length = children.length; i < length; i++) {
+ desc = children[i];
+ if (desc.nodeName.toLowerCase() !== 'rdf:description') {
+ continue;
+ }
+
+ for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
+ if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
+ entry = desc.childNodes[ii];
+ name = entry.nodeName.toLowerCase();
+ this.metadata[name] = entry.textContent.trim();
+ }
+ }
+ }
+ },
+
+ get: function Metadata_get(name) {
+ return this.metadata[name] || null;
+ },
+
+ has: function Metadata_has(name) {
+ return typeof this.metadata[name] !== 'undefined';
+ }
+ };
+
+exports.Metadata = Metadata;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplaySVG = {}), root.pdfjsSharedUtil);
+ }
+}(this, function (exports, sharedUtil) {
+var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
+var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
+var ImageKind = sharedUtil.ImageKind;
+var OPS = sharedUtil.OPS;
+var Util = sharedUtil.Util;
+var isNum = sharedUtil.isNum;
+var isArray = sharedUtil.isArray;
+var warn = sharedUtil.warn;
+var createObjectURL = sharedUtil.createObjectURL;
+
+var SVG_DEFAULTS = {
+ fontStyle: 'normal',
+ fontWeight: 'normal',
+ fillColor: '#000000'
+};
+
+var convertImgDataToPng = (function convertImgDataToPngClosure() {
+ var PNG_HEADER =
+ new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
+
+ var CHUNK_WRAPPER_SIZE = 12;
+
+ var crcTable = new Int32Array(256);
+ for (var i = 0; i < 256; i++) {
+ var c = i;
+ for (var h = 0; h < 8; h++) {
+ if (c & 1) {
+ c = 0xedB88320 ^ ((c >> 1) & 0x7fffffff);
+ } else {
+ c = (c >> 1) & 0x7fffffff;
+ }
+ }
+ crcTable[i] = c;
+ }
+
+ function crc32(data, start, end) {
+ var crc = -1;
+ for (var i = start; i < end; i++) {
+ var a = (crc ^ data[i]) & 0xff;
+ var b = crcTable[a];
+ crc = (crc >>> 8) ^ b;
+ }
+ return crc ^ -1;
+ }
+
+ function writePngChunk(type, body, data, offset) {
+ var p = offset;
+ var len = body.length;
+
+ data[p] = len >> 24 & 0xff;
+ data[p + 1] = len >> 16 & 0xff;
+ data[p + 2] = len >> 8 & 0xff;
+ data[p + 3] = len & 0xff;
+ p += 4;
+
+ data[p] = type.charCodeAt(0) & 0xff;
+ data[p + 1] = type.charCodeAt(1) & 0xff;
+ data[p + 2] = type.charCodeAt(2) & 0xff;
+ data[p + 3] = type.charCodeAt(3) & 0xff;
+ p += 4;
+
+ data.set(body, p);
+ p += body.length;
+
+ var crc = crc32(data, offset + 4, p);
+
+ data[p] = crc >> 24 & 0xff;
+ data[p + 1] = crc >> 16 & 0xff;
+ data[p + 2] = crc >> 8 & 0xff;
+ data[p + 3] = crc & 0xff;
+ }
+
+ function adler32(data, start, end) {
+ var a = 1;
+ var b = 0;
+ for (var i = start; i < end; ++i) {
+ a = (a + (data[i] & 0xff)) % 65521;
+ b = (b + a) % 65521;
+ }
+ return (b << 16) | a;
+ }
+
+ function encode(imgData, kind, forceDataSchema) {
+ var width = imgData.width;
+ var height = imgData.height;
+ var bitDepth, colorType, lineSize;
+ var bytes = imgData.data;
+
+ switch (kind) {
+ case ImageKind.GRAYSCALE_1BPP:
+ colorType = 0;
+ bitDepth = 1;
+ lineSize = (width + 7) >> 3;
+ break;
+ case ImageKind.RGB_24BPP:
+ colorType = 2;
+ bitDepth = 8;
+ lineSize = width * 3;
+ break;
+ case ImageKind.RGBA_32BPP:
+ colorType = 6;
+ bitDepth = 8;
+ lineSize = width * 4;
+ break;
+ default:
+ throw new Error('invalid format');
+ }
+
+ // prefix every row with predictor 0
+ var literals = new Uint8Array((1 + lineSize) * height);
+ var offsetLiterals = 0, offsetBytes = 0;
+ var y, i;
+ for (y = 0; y < height; ++y) {
+ literals[offsetLiterals++] = 0; // no prediction
+ literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize),
+ offsetLiterals);
+ offsetBytes += lineSize;
+ offsetLiterals += lineSize;
+ }
+
+ if (kind === ImageKind.GRAYSCALE_1BPP) {
+ // inverting for B/W
+ offsetLiterals = 0;
+ for (y = 0; y < height; y++) {
+ offsetLiterals++; // skipping predictor
+ for (i = 0; i < lineSize; i++) {
+ literals[offsetLiterals++] ^= 0xFF;
+ }
+ }
+ }
+
+ var ihdr = new Uint8Array([
+ width >> 24 & 0xff,
+ width >> 16 & 0xff,
+ width >> 8 & 0xff,
+ width & 0xff,
+ height >> 24 & 0xff,
+ height >> 16 & 0xff,
+ height >> 8 & 0xff,
+ height & 0xff,
+ bitDepth, // bit depth
+ colorType, // color type
+ 0x00, // compression method
+ 0x00, // filter method
+ 0x00 // interlace method
+ ]);
+
+ var len = literals.length;
+ var maxBlockLength = 0xFFFF;
+
+ var deflateBlocks = Math.ceil(len / maxBlockLength);
+ var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
+ var pi = 0;
+ idat[pi++] = 0x78; // compression method and flags
+ idat[pi++] = 0x9c; // flags
+
+ var pos = 0;
+ while (len > maxBlockLength) {
+ // writing non-final DEFLATE blocks type 0 and length of 65535
+ idat[pi++] = 0x00;
+ idat[pi++] = 0xff;
+ idat[pi++] = 0xff;
+ idat[pi++] = 0x00;
+ idat[pi++] = 0x00;
+ idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
+ pi += maxBlockLength;
+ pos += maxBlockLength;
+ len -= maxBlockLength;
+ }
+
+ // writing non-final DEFLATE blocks type 0
+ idat[pi++] = 0x01;
+ idat[pi++] = len & 0xff;
+ idat[pi++] = len >> 8 & 0xff;
+ idat[pi++] = (~len & 0xffff) & 0xff;
+ idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
+ idat.set(literals.subarray(pos), pi);
+ pi += literals.length - pos;
+
+ var adler = adler32(literals, 0, literals.length); // checksum
+ idat[pi++] = adler >> 24 & 0xff;
+ idat[pi++] = adler >> 16 & 0xff;
+ idat[pi++] = adler >> 8 & 0xff;
+ idat[pi++] = adler & 0xff;
+
+ // PNG will consists: header, IHDR+data, IDAT+data, and IEND.
+ var pngLength = PNG_HEADER.length + (CHUNK_WRAPPER_SIZE * 3) +
+ ihdr.length + idat.length;
+ var data = new Uint8Array(pngLength);
+ var offset = 0;
+ data.set(PNG_HEADER, offset);
+ offset += PNG_HEADER.length;
+ writePngChunk('IHDR', ihdr, data, offset);
+ offset += CHUNK_WRAPPER_SIZE + ihdr.length;
+ writePngChunk('IDATA', idat, data, offset);
+ offset += CHUNK_WRAPPER_SIZE + idat.length;
+ writePngChunk('IEND', new Uint8Array(0), data, offset);
+
+ return createObjectURL(data, 'image/png', forceDataSchema);
+ }
+
+ return function convertImgDataToPng(imgData, forceDataSchema) {
+ var kind = (imgData.kind === undefined ?
+ ImageKind.GRAYSCALE_1BPP : imgData.kind);
+ return encode(imgData, kind, forceDataSchema);
+ };
+})();
+
+var SVGExtraState = (function SVGExtraStateClosure() {
+ function SVGExtraState() {
+ this.fontSizeScale = 1;
+ this.fontWeight = SVG_DEFAULTS.fontWeight;
+ this.fontSize = 0;
+
+ this.textMatrix = IDENTITY_MATRIX;
+ this.fontMatrix = FONT_IDENTITY_MATRIX;
+ this.leading = 0;
+
+ // Current point (in user coordinates)
+ this.x = 0;
+ this.y = 0;
+
+ // Start of text line (in text coordinates)
+ this.lineX = 0;
+ this.lineY = 0;
+
+ // Character and word spacing
+ this.charSpacing = 0;
+ this.wordSpacing = 0;
+ this.textHScale = 1;
+ this.textRise = 0;
+
+ // Default foreground and background colors
+ this.fillColor = SVG_DEFAULTS.fillColor;
+ this.strokeColor = '#000000';
+
+ this.fillAlpha = 1;
+ this.strokeAlpha = 1;
+ this.lineWidth = 1;
+ this.lineJoin = '';
+ this.lineCap = '';
+ this.miterLimit = 0;
+
+ this.dashArray = [];
+ this.dashPhase = 0;
+
+ this.dependencies = [];
+
+ // Clipping
+ this.clipId = '';
+ this.pendingClip = false;
+
+ this.maskId = '';
+ }
+
+ SVGExtraState.prototype = {
+ clone: function SVGExtraState_clone() {
+ return Object.create(this);
+ },
+ setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
+ this.x = x;
+ this.y = y;
+ }
+ };
+ return SVGExtraState;
+})();
+
+var SVGGraphics = (function SVGGraphicsClosure() {
+ function createScratchSVG(width, height) {
+ var NS = 'http://www.w3.org/2000/svg';
+ var svg = document.createElementNS(NS, 'svg:svg');
+ svg.setAttributeNS(null, 'version', '1.1');
+ svg.setAttributeNS(null, 'width', width + 'px');
+ svg.setAttributeNS(null, 'height', height + 'px');
+ svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height);
+ return svg;
+ }
+
+ function opListToTree(opList) {
+ var opTree = [];
+ var tmp = [];
+ var opListLen = opList.length;
+
+ for (var x = 0; x < opListLen; x++) {
+ if (opList[x].fn === 'save') {
+ opTree.push({'fnId': 92, 'fn': 'group', 'items': []});
+ tmp.push(opTree);
+ opTree = opTree[opTree.length - 1].items;
+ continue;
+ }
+
+ if(opList[x].fn === 'restore') {
+ opTree = tmp.pop();
+ } else {
+ opTree.push(opList[x]);
+ }
+ }
+ return opTree;
+ }
+
+ /**
+ * Formats float number.
+ * @param value {number} number to format.
+ * @returns {string}
+ */
+ function pf(value) {
+ if (value === (value | 0)) { // integer number
+ return value.toString();
+ }
+ var s = value.toFixed(10);
+ var i = s.length - 1;
+ if (s[i] !== '0') {
+ return s;
+ }
+ // removing trailing zeros
+ do {
+ i--;
+ } while (s[i] === '0');
+ return s.substr(0, s[i] === '.' ? i : i + 1);
+ }
+
+ /**
+ * Formats transform matrix. The standard rotation, scale and translate
+ * matrices are replaced by their shorter forms, and for identity matrix
+ * returns empty string to save the memory.
+ * @param m {Array} matrix to format.
+ * @returns {string}
+ */
+ function pm(m) {
+ if (m[4] === 0 && m[5] === 0) {
+ if (m[1] === 0 && m[2] === 0) {
+ if (m[0] === 1 && m[3] === 1) {
+ return '';
+ }
+ return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';
+ }
+ if (m[0] === m[3] && m[1] === -m[2]) {
+ var a = Math.acos(m[0]) * 180 / Math.PI;
+ return 'rotate(' + pf(a) + ')';
+ }
+ } else {
+ if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
+ return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';
+ }
+ }
+ return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' +
+ pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';
+ }
+
+ function SVGGraphics(commonObjs, objs, forceDataSchema) {
+ this.current = new SVGExtraState();
+ this.transformMatrix = IDENTITY_MATRIX; // Graphics state matrix
+ this.transformStack = [];
+ this.extraStack = [];
+ this.commonObjs = commonObjs;
+ this.objs = objs;
+ this.pendingEOFill = false;
+
+ this.embedFonts = false;
+ this.embeddedFonts = Object.create(null);
+ this.cssStyle = null;
+ this.forceDataSchema = !!forceDataSchema;
+ }
+
+ var NS = 'http://www.w3.org/2000/svg';
+ var XML_NS = 'http://www.w3.org/XML/1998/namespace';
+ var XLINK_NS = 'http://www.w3.org/1999/xlink';
+ var LINE_CAP_STYLES = ['butt', 'round', 'square'];
+ var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
+ var clipCount = 0;
+ var maskCount = 0;
+
+ SVGGraphics.prototype = {
+ save: function SVGGraphics_save() {
+ this.transformStack.push(this.transformMatrix);
+ var old = this.current;
+ this.extraStack.push(old);
+ this.current = old.clone();
+ },
+
+ restore: function SVGGraphics_restore() {
+ this.transformMatrix = this.transformStack.pop();
+ this.current = this.extraStack.pop();
+
+ this.tgrp = document.createElementNS(NS, 'svg:g');
+ this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+ this.pgrp.appendChild(this.tgrp);
+ },
+
+ group: function SVGGraphics_group(items) {
+ this.save();
+ this.executeOpTree(items);
+ this.restore();
+ },
+
+ loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
+ var fnArray = operatorList.fnArray;
+ var fnArrayLen = fnArray.length;
+ var argsArray = operatorList.argsArray;
+
+ var self = this;
+ for (var i = 0; i < fnArrayLen; i++) {
+ if (OPS.dependency === fnArray[i]) {
+ var deps = argsArray[i];
+ for (var n = 0, nn = deps.length; n < nn; n++) {
+ var obj = deps[n];
+ var common = obj.substring(0, 2) === 'g_';
+ var promise;
+ if (common) {
+ promise = new Promise(function(resolve) {
+ self.commonObjs.get(obj, resolve);
+ });
+ } else {
+ promise = new Promise(function(resolve) {
+ self.objs.get(obj, resolve);
+ });
+ }
+ this.current.dependencies.push(promise);
+ }
+ }
+ }
+ return Promise.all(this.current.dependencies);
+ },
+
+ transform: function SVGGraphics_transform(a, b, c, d, e, f) {
+ var transformMatrix = [a, b, c, d, e, f];
+ this.transformMatrix = Util.transform(this.transformMatrix,
+ transformMatrix);
+
+ this.tgrp = document.createElementNS(NS, 'svg:g');
+ this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+ },
+
+ getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
+ this.svg = createScratchSVG(viewport.width, viewport.height);
+ this.viewport = viewport;
+
+ return this.loadDependencies(operatorList).then(function () {
+ this.transformMatrix = IDENTITY_MATRIX;
+ this.pgrp = document.createElementNS(NS, 'svg:g'); // Parent group
+ this.pgrp.setAttributeNS(null, 'transform', pm(viewport.transform));
+ this.tgrp = document.createElementNS(NS, 'svg:g'); // Transform group
+ this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+ this.defs = document.createElementNS(NS, 'svg:defs');
+ this.pgrp.appendChild(this.defs);
+ this.pgrp.appendChild(this.tgrp);
+ this.svg.appendChild(this.pgrp);
+ var opTree = this.convertOpList(operatorList);
+ this.executeOpTree(opTree);
+ return this.svg;
+ }.bind(this));
+ },
+
+ convertOpList: function SVGGraphics_convertOpList(operatorList) {
+ var argsArray = operatorList.argsArray;
+ var fnArray = operatorList.fnArray;
+ var fnArrayLen = fnArray.length;
+ var REVOPS = [];
+ var opList = [];
+
+ for (var op in OPS) {
+ REVOPS[OPS[op]] = op;
+ }
+
+ for (var x = 0; x < fnArrayLen; x++) {
+ var fnId = fnArray[x];
+ opList.push({'fnId' : fnId, 'fn': REVOPS[fnId], 'args': argsArray[x]});
+ }
+ return opListToTree(opList);
+ },
+
+ executeOpTree: function SVGGraphics_executeOpTree(opTree) {
+ var opTreeLen = opTree.length;
+ for(var x = 0; x < opTreeLen; x++) {
+ var fn = opTree[x].fn;
+ var fnId = opTree[x].fnId;
+ var args = opTree[x].args;
+
+ switch (fnId | 0) {
+ case OPS.beginText:
+ this.beginText();
+ break;
+ case OPS.setLeading:
+ this.setLeading(args);
+ break;
+ case OPS.setLeadingMoveText:
+ this.setLeadingMoveText(args[0], args[1]);
+ break;
+ case OPS.setFont:
+ this.setFont(args);
+ break;
+ case OPS.showText:
+ this.showText(args[0]);
+ break;
+ case OPS.showSpacedText:
+ this.showText(args[0]);
+ break;
+ case OPS.endText:
+ this.endText();
+ break;
+ case OPS.moveText:
+ this.moveText(args[0], args[1]);
+ break;
+ case OPS.setCharSpacing:
+ this.setCharSpacing(args[0]);
+ break;
+ case OPS.setWordSpacing:
+ this.setWordSpacing(args[0]);
+ break;
+ case OPS.setHScale:
+ this.setHScale(args[0]);
+ break;
+ case OPS.setTextMatrix:
+ this.setTextMatrix(args[0], args[1], args[2],
+ args[3], args[4], args[5]);
+ break;
+ case OPS.setLineWidth:
+ this.setLineWidth(args[0]);
+ break;
+ case OPS.setLineJoin:
+ this.setLineJoin(args[0]);
+ break;
+ case OPS.setLineCap:
+ this.setLineCap(args[0]);
+ break;
+ case OPS.setMiterLimit:
+ this.setMiterLimit(args[0]);
+ break;
+ case OPS.setFillRGBColor:
+ this.setFillRGBColor(args[0], args[1], args[2]);
+ break;
+ case OPS.setStrokeRGBColor:
+ this.setStrokeRGBColor(args[0], args[1], args[2]);
+ break;
+ case OPS.setDash:
+ this.setDash(args[0], args[1]);
+ break;
+ case OPS.setGState:
+ this.setGState(args[0]);
+ break;
+ case OPS.fill:
+ this.fill();
+ break;
+ case OPS.eoFill:
+ this.eoFill();
+ break;
+ case OPS.stroke:
+ this.stroke();
+ break;
+ case OPS.fillStroke:
+ this.fillStroke();
+ break;
+ case OPS.eoFillStroke:
+ this.eoFillStroke();
+ break;
+ case OPS.clip:
+ this.clip('nonzero');
+ break;
+ case OPS.eoClip:
+ this.clip('evenodd');
+ break;
+ case OPS.paintSolidColorImageMask:
+ this.paintSolidColorImageMask();
+ break;
+ case OPS.paintJpegXObject:
+ this.paintJpegXObject(args[0], args[1], args[2]);
+ break;
+ case OPS.paintImageXObject:
+ this.paintImageXObject(args[0]);
+ break;
+ case OPS.paintInlineImageXObject:
+ this.paintInlineImageXObject(args[0]);
+ break;
+ case OPS.paintImageMaskXObject:
+ this.paintImageMaskXObject(args[0]);
+ break;
+ case OPS.paintFormXObjectBegin:
+ this.paintFormXObjectBegin(args[0], args[1]);
+ break;
+ case OPS.paintFormXObjectEnd:
+ this.paintFormXObjectEnd();
+ break;
+ case OPS.closePath:
+ this.closePath();
+ break;
+ case OPS.closeStroke:
+ this.closeStroke();
+ break;
+ case OPS.closeFillStroke:
+ this.closeFillStroke();
+ break;
+ case OPS.nextLine:
+ this.nextLine();
+ break;
+ case OPS.transform:
+ this.transform(args[0], args[1], args[2], args[3],
+ args[4], args[5]);
+ break;
+ case OPS.constructPath:
+ this.constructPath(args[0], args[1]);
+ break;
+ case OPS.endPath:
+ this.endPath();
+ break;
+ case 92:
+ this.group(opTree[x].items);
+ break;
+ default:
+ warn('Unimplemented method '+ fn);
+ break;
+ }
+ }
+ },
+
+ setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
+ this.current.wordSpacing = wordSpacing;
+ },
+
+ setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
+ this.current.charSpacing = charSpacing;
+ },
+
+ nextLine: function SVGGraphics_nextLine() {
+ this.moveText(0, this.current.leading);
+ },
+
+ setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
+ var current = this.current;
+ this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f];
+
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+
+ current.xcoords = [];
+ current.tspan = document.createElementNS(NS, 'svg:tspan');
+ current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
+ current.tspan.setAttributeNS(null, 'font-size',
+ pf(current.fontSize) + 'px');
+ current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+
+ current.txtElement = document.createElementNS(NS, 'svg:text');
+ current.txtElement.appendChild(current.tspan);
+ },
+
+ beginText: function SVGGraphics_beginText() {
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+ this.current.textMatrix = IDENTITY_MATRIX;
+ this.current.lineMatrix = IDENTITY_MATRIX;
+ this.current.tspan = document.createElementNS(NS, 'svg:tspan');
+ this.current.txtElement = document.createElementNS(NS, 'svg:text');
+ this.current.txtgrp = document.createElementNS(NS, 'svg:g');
+ this.current.xcoords = [];
+ },
+
+ moveText: function SVGGraphics_moveText(x, y) {
+ var current = this.current;
+ this.current.x = this.current.lineX += x;
+ this.current.y = this.current.lineY += y;
+
+ current.xcoords = [];
+ current.tspan = document.createElementNS(NS, 'svg:tspan');
+ current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
+ current.tspan.setAttributeNS(null, 'font-size',
+ pf(current.fontSize) + 'px');
+ current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+ },
+
+ showText: function SVGGraphics_showText(glyphs) {
+ var current = this.current;
+ var font = current.font;
+ var fontSize = current.fontSize;
+
+ if (fontSize === 0) {
+ return;
+ }
+
+ var charSpacing = current.charSpacing;
+ var wordSpacing = current.wordSpacing;
+ var fontDirection = current.fontDirection;
+ var textHScale = current.textHScale * fontDirection;
+ var glyphsLength = glyphs.length;
+ var vertical = font.vertical;
+ var widthAdvanceScale = fontSize * current.fontMatrix[0];
+
+ var x = 0, i;
+ for (i = 0; i < glyphsLength; ++i) {
+ var glyph = glyphs[i];
+ if (glyph === null) {
+ // word break
+ x += fontDirection * wordSpacing;
+ continue;
+ } else if (isNum(glyph)) {
+ x += -glyph * fontSize * 0.001;
+ continue;
+ }
+ current.xcoords.push(current.x + x * textHScale);
+
+ var width = glyph.width;
+ var character = glyph.fontChar;
+ var charWidth = width * widthAdvanceScale + charSpacing * fontDirection;
+ x += charWidth;
+
+ current.tspan.textContent += character;
+ }
+ if (vertical) {
+ current.y -= x * textHScale;
+ } else {
+ current.x += x * textHScale;
+ }
+
+ current.tspan.setAttributeNS(null, 'x',
+ current.xcoords.map(pf).join(' '));
+ current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+ current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
+ current.tspan.setAttributeNS(null, 'font-size',
+ pf(current.fontSize) + 'px');
+ if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
+ current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);
+ }
+ if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
+ current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);
+ }
+ if (current.fillColor !== SVG_DEFAULTS.fillColor) {
+ current.tspan.setAttributeNS(null, 'fill', current.fillColor);
+ }
+
+ current.txtElement.setAttributeNS(null, 'transform',
+ pm(current.textMatrix) +
+ ' scale(1, -1)' );
+ current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
+ current.txtElement.appendChild(current.tspan);
+ current.txtgrp.appendChild(current.txtElement);
+
+ this.tgrp.appendChild(current.txtElement);
+
+ },
+
+ setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {
+ this.setLeading(-y);
+ this.moveText(x, y);
+ },
+
+ addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
+ if (!this.cssStyle) {
+ this.cssStyle = document.createElementNS(NS, 'svg:style');
+ this.cssStyle.setAttributeNS(null, 'type', 'text/css');
+ this.defs.appendChild(this.cssStyle);
+ }
+
+ var url = createObjectURL(fontObj.data, fontObj.mimetype,
+ this.forceDataSchema);
+ this.cssStyle.textContent +=
+ '@font-face { font-family: "' + fontObj.loadedName + '";' +
+ ' src: url(' + url + '); }\n';
+ },
+
+ setFont: function SVGGraphics_setFont(details) {
+ var current = this.current;
+ var fontObj = this.commonObjs.get(details[0]);
+ var size = details[1];
+ this.current.font = fontObj;
+
+ if (this.embedFonts && fontObj.data &&
+ !this.embeddedFonts[fontObj.loadedName]) {
+ this.addFontStyle(fontObj);
+ this.embeddedFonts[fontObj.loadedName] = fontObj;
+ }
+
+ current.fontMatrix = (fontObj.fontMatrix ?
+ fontObj.fontMatrix : FONT_IDENTITY_MATRIX);
+
+ var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') :
+ (fontObj.bold ? 'bold' : 'normal');
+ var italic = fontObj.italic ? 'italic' : 'normal';
+
+ if (size < 0) {
+ size = -size;
+ current.fontDirection = -1;
+ } else {
+ current.fontDirection = 1;
+ }
+ current.fontSize = size;
+ current.fontFamily = fontObj.loadedName;
+ current.fontWeight = bold;
+ current.fontStyle = italic;
+
+ current.tspan = document.createElementNS(NS, 'svg:tspan');
+ current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+ current.xcoords = [];
+ },
+
+ endText: function SVGGraphics_endText() {
+ if (this.current.pendingClip) {
+ this.cgrp.appendChild(this.tgrp);
+ this.pgrp.appendChild(this.cgrp);
+ } else {
+ this.pgrp.appendChild(this.tgrp);
+ }
+ this.tgrp = document.createElementNS(NS, 'svg:g');
+ this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+ },
+
+ // Path properties
+ setLineWidth: function SVGGraphics_setLineWidth(width) {
+ this.current.lineWidth = width;
+ },
+ setLineCap: function SVGGraphics_setLineCap(style) {
+ this.current.lineCap = LINE_CAP_STYLES[style];
+ },
+ setLineJoin: function SVGGraphics_setLineJoin(style) {
+ this.current.lineJoin = LINE_JOIN_STYLES[style];
+ },
+ setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
+ this.current.miterLimit = limit;
+ },
+ setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
+ var color = Util.makeCssRgb(r, g, b);
+ this.current.strokeColor = color;
+ },
+ setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
+ var color = Util.makeCssRgb(r, g, b);
+ this.current.fillColor = color;
+ this.current.tspan = document.createElementNS(NS, 'svg:tspan');
+ this.current.xcoords = [];
+ },
+ setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
+ this.current.dashArray = dashArray;
+ this.current.dashPhase = dashPhase;
+ },
+
+ constructPath: function SVGGraphics_constructPath(ops, args) {
+ var current = this.current;
+ var x = current.x, y = current.y;
+ current.path = document.createElementNS(NS, 'svg:path');
+ var d = [];
+ var opLength = ops.length;
+
+ for (var i = 0, j = 0; i < opLength; i++) {
+ switch (ops[i] | 0) {
+ case OPS.rectangle:
+ x = args[j++];
+ y = args[j++];
+ var width = args[j++];
+ var height = args[j++];
+ var xw = x + width;
+ var yh = y + height;
+ d.push('M', pf(x), pf(y), 'L', pf(xw) , pf(y), 'L', pf(xw), pf(yh),
+ 'L', pf(x), pf(yh), 'Z');
+ break;
+ case OPS.moveTo:
+ x = args[j++];
+ y = args[j++];
+ d.push('M', pf(x), pf(y));
+ break;
+ case OPS.lineTo:
+ x = args[j++];
+ y = args[j++];
+ d.push('L', pf(x) , pf(y));
+ break;
+ case OPS.curveTo:
+ x = args[j + 4];
+ y = args[j + 5];
+ d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]),
+ pf(args[j + 3]), pf(x), pf(y));
+ j += 6;
+ break;
+ case OPS.curveTo2:
+ x = args[j + 2];
+ y = args[j + 3];
+ d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]),
+ pf(args[j + 2]), pf(args[j + 3]));
+ j += 4;
+ break;
+ case OPS.curveTo3:
+ x = args[j + 2];
+ y = args[j + 3];
+ d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y),
+ pf(x), pf(y));
+ j += 4;
+ break;
+ case OPS.closePath:
+ d.push('Z');
+ break;
+ }
+ }
+ current.path.setAttributeNS(null, 'd', d.join(' '));
+ current.path.setAttributeNS(null, 'stroke-miterlimit',
+ pf(current.miterLimit));
+ current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap);
+ current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
+ current.path.setAttributeNS(null, 'stroke-width',
+ pf(current.lineWidth) + 'px');
+ current.path.setAttributeNS(null, 'stroke-dasharray',
+ current.dashArray.map(pf).join(' '));
+ current.path.setAttributeNS(null, 'stroke-dashoffset',
+ pf(current.dashPhase) + 'px');
+ current.path.setAttributeNS(null, 'fill', 'none');
+
+ this.tgrp.appendChild(current.path);
+ if (current.pendingClip) {
+ this.cgrp.appendChild(this.tgrp);
+ this.pgrp.appendChild(this.cgrp);
+ } else {
+ this.pgrp.appendChild(this.tgrp);
+ }
+ // Saving a reference in current.element so that it can be addressed
+ // in 'fill' and 'stroke'
+ current.element = current.path;
+ current.setCurrentPoint(x, y);
+ },
+
+ endPath: function SVGGraphics_endPath() {
+ var current = this.current;
+ if (current.pendingClip) {
+ this.cgrp.appendChild(this.tgrp);
+ this.pgrp.appendChild(this.cgrp);
+ } else {
+ this.pgrp.appendChild(this.tgrp);
+ }
+ this.tgrp = document.createElementNS(NS, 'svg:g');
+ this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+ },
+
+ clip: function SVGGraphics_clip(type) {
+ var current = this.current;
+ // Add current path to clipping path
+ current.clipId = 'clippath' + clipCount;
+ clipCount++;
+ this.clippath = document.createElementNS(NS, 'svg:clipPath');
+ this.clippath.setAttributeNS(null, 'id', current.clipId);
+ var clipElement = current.element.cloneNode();
+ if (type === 'evenodd') {
+ clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
+ } else {
+ clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
+ }
+ this.clippath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+ this.clippath.appendChild(clipElement);
+ this.defs.appendChild(this.clippath);
+
+ // Create a new group with that attribute
+ current.pendingClip = true;
+ this.cgrp = document.createElementNS(NS, 'svg:g');
+ this.cgrp.setAttributeNS(null, 'clip-path',
+ 'url(#' + current.clipId + ')');
+ this.pgrp.appendChild(this.cgrp);
+ },
+
+ closePath: function SVGGraphics_closePath() {
+ var current = this.current;
+ var d = current.path.getAttributeNS(null, 'd');
+ d += 'Z';
+ current.path.setAttributeNS(null, 'd', d);
+ },
+
+ setLeading: function SVGGraphics_setLeading(leading) {
+ this.current.leading = -leading;
+ },
+
+ setTextRise: function SVGGraphics_setTextRise(textRise) {
+ this.current.textRise = textRise;
+ },
+
+ setHScale: function SVGGraphics_setHScale(scale) {
+ this.current.textHScale = scale / 100;
+ },
+
+ setGState: function SVGGraphics_setGState(states) {
+ for (var i = 0, ii = states.length; i < ii; i++) {
+ var state = states[i];
+ var key = state[0];
+ var value = state[1];
+
+ switch (key) {
+ case 'LW':
+ this.setLineWidth(value);
+ break;
+ case 'LC':
+ this.setLineCap(value);
+ break;
+ case 'LJ':
+ this.setLineJoin(value);
+ break;
+ case 'ML':
+ this.setMiterLimit(value);
+ break;
+ case 'D':
+ this.setDash(value[0], value[1]);
+ break;
+ case 'RI':
+ break;
+ case 'FL':
+ break;
+ case 'Font':
+ this.setFont(value);
+ break;
+ case 'CA':
+ break;
+ case 'ca':
+ break;
+ case 'BM':
+ break;
+ case 'SMask':
+ break;
+ }
+ }
+ },
+
+ fill: function SVGGraphics_fill() {
+ var current = this.current;
+ current.element.setAttributeNS(null, 'fill', current.fillColor);
+ },
+
+ stroke: function SVGGraphics_stroke() {
+ var current = this.current;
+ current.element.setAttributeNS(null, 'stroke', current.strokeColor);
+ current.element.setAttributeNS(null, 'fill', 'none');
+ },
+
+ eoFill: function SVGGraphics_eoFill() {
+ var current = this.current;
+ current.element.setAttributeNS(null, 'fill', current.fillColor);
+ current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
+ },
+
+ fillStroke: function SVGGraphics_fillStroke() {
+ // Order is important since stroke wants fill to be none.
+ // First stroke, then if fill needed, it will be overwritten.
+ this.stroke();
+ this.fill();
+ },
+
+ eoFillStroke: function SVGGraphics_eoFillStroke() {
+ this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
+ this.fillStroke();
+ },
+
+ closeStroke: function SVGGraphics_closeStroke() {
+ this.closePath();
+ this.stroke();
+ },
+
+ closeFillStroke: function SVGGraphics_closeFillStroke() {
+ this.closePath();
+ this.fillStroke();
+ },
+
+ paintSolidColorImageMask:
+ function SVGGraphics_paintSolidColorImageMask() {
+ var current = this.current;
+ var rect = document.createElementNS(NS, 'svg:rect');
+ rect.setAttributeNS(null, 'x', '0');
+ rect.setAttributeNS(null, 'y', '0');
+ rect.setAttributeNS(null, 'width', '1px');
+ rect.setAttributeNS(null, 'height', '1px');
+ rect.setAttributeNS(null, 'fill', current.fillColor);
+ this.tgrp.appendChild(rect);
+ },
+
+ paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
+ var current = this.current;
+ var imgObj = this.objs.get(objId);
+ var imgEl = document.createElementNS(NS, 'svg:image');
+ imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
+ imgEl.setAttributeNS(null, 'width', imgObj.width + 'px');
+ imgEl.setAttributeNS(null, 'height', imgObj.height + 'px');
+ imgEl.setAttributeNS(null, 'x', '0');
+ imgEl.setAttributeNS(null, 'y', pf(-h));
+ imgEl.setAttributeNS(null, 'transform',
+ 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
+
+ this.tgrp.appendChild(imgEl);
+ if (current.pendingClip) {
+ this.cgrp.appendChild(this.tgrp);
+ this.pgrp.appendChild(this.cgrp);
+ } else {
+ this.pgrp.appendChild(this.tgrp);
+ }
+ },
+
+ paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
+ var imgData = this.objs.get(objId);
+ if (!imgData) {
+ warn('Dependent image isn\'t ready yet');
+ return;
+ }
+ this.paintInlineImageXObject(imgData);
+ },
+
+ paintInlineImageXObject:
+ function SVGGraphics_paintInlineImageXObject(imgData, mask) {
+ var current = this.current;
+ var width = imgData.width;
+ var height = imgData.height;
+
+ var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);
+ var cliprect = document.createElementNS(NS, 'svg:rect');
+ cliprect.setAttributeNS(null, 'x', '0');
+ cliprect.setAttributeNS(null, 'y', '0');
+ cliprect.setAttributeNS(null, 'width', pf(width));
+ cliprect.setAttributeNS(null, 'height', pf(height));
+ current.element = cliprect;
+ this.clip('nonzero');
+ var imgEl = document.createElementNS(NS, 'svg:image');
+ imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
+ imgEl.setAttributeNS(null, 'x', '0');
+ imgEl.setAttributeNS(null, 'y', pf(-height));
+ imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
+ imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
+ imgEl.setAttributeNS(null, 'transform',
+ 'scale(' + pf(1 / width) + ' ' +
+ pf(-1 / height) + ')');
+ if (mask) {
+ mask.appendChild(imgEl);
+ } else {
+ this.tgrp.appendChild(imgEl);
+ }
+ if (current.pendingClip) {
+ this.cgrp.appendChild(this.tgrp);
+ this.pgrp.appendChild(this.cgrp);
+ } else {
+ this.pgrp.appendChild(this.tgrp);
+ }
+ },
+
+ paintImageMaskXObject:
+ function SVGGraphics_paintImageMaskXObject(imgData) {
+ var current = this.current;
+ var width = imgData.width;
+ var height = imgData.height;
+ var fillColor = current.fillColor;
+
+ current.maskId = 'mask' + maskCount++;
+ var mask = document.createElementNS(NS, 'svg:mask');
+ mask.setAttributeNS(null, 'id', current.maskId);
+
+ var rect = document.createElementNS(NS, 'svg:rect');
+ rect.setAttributeNS(null, 'x', '0');
+ rect.setAttributeNS(null, 'y', '0');
+ rect.setAttributeNS(null, 'width', pf(width));
+ rect.setAttributeNS(null, 'height', pf(height));
+ rect.setAttributeNS(null, 'fill', fillColor);
+ rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId +')');
+ this.defs.appendChild(mask);
+ this.tgrp.appendChild(rect);
+
+ this.paintInlineImageXObject(imgData, mask);
+ },
+
+ paintFormXObjectBegin:
+ function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
+ this.save();
+
+ if (isArray(matrix) && matrix.length === 6) {
+ this.transform(matrix[0], matrix[1], matrix[2],
+ matrix[3], matrix[4], matrix[5]);
+ }
+
+ if (isArray(bbox) && bbox.length === 4) {
+ var width = bbox[2] - bbox[0];
+ var height = bbox[3] - bbox[1];
+
+ var cliprect = document.createElementNS(NS, 'svg:rect');
+ cliprect.setAttributeNS(null, 'x', bbox[0]);
+ cliprect.setAttributeNS(null, 'y', bbox[1]);
+ cliprect.setAttributeNS(null, 'width', pf(width));
+ cliprect.setAttributeNS(null, 'height', pf(height));
+ this.current.element = cliprect;
+ this.clip('nonzero');
+ this.endPath();
+ }
+ },
+
+ paintFormXObjectEnd:
+ function SVGGraphics_paintFormXObjectEnd() {
+ this.restore();
+ }
+ };
+ return SVGGraphics;
+})();
+
+exports.SVGGraphics = SVGGraphics;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayAnnotationLayer = {}), root.pdfjsSharedUtil,
+ root.pdfjsDisplayDOMUtils);
+ }
+}(this, function (exports, sharedUtil, displayDOMUtils) {
+
+var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
+var AnnotationType = sharedUtil.AnnotationType;
+var Util = sharedUtil.Util;
+var addLinkAttributes = displayDOMUtils.addLinkAttributes;
+var LinkTarget = displayDOMUtils.LinkTarget;
+var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
+var warn = sharedUtil.warn;
+var CustomStyle = displayDOMUtils.CustomStyle;
+var getDefaultSetting = displayDOMUtils.getDefaultSetting;
+
+/**
+ * @typedef {Object} AnnotationElementParameters
+ * @property {Object} data
+ * @property {HTMLDivElement} layer
+ * @property {PDFPage} page
+ * @property {PageViewport} viewport
+ * @property {IPDFLinkService} linkService
+ * @property {DownloadManager} downloadManager
+ * @property {string} imageResourcesPath
+ * @property {boolean} renderInteractiveForms
+ */
+
+/**
+ * @class
+ * @alias AnnotationElementFactory
+ */
+function AnnotationElementFactory() {}
+AnnotationElementFactory.prototype =
+ /** @lends AnnotationElementFactory.prototype */ {
+ /**
+ * @param {AnnotationElementParameters} parameters
+ * @returns {AnnotationElement}
+ */
+ create: function AnnotationElementFactory_create(parameters) {
+ var subtype = parameters.data.annotationType;
+
+ switch (subtype) {
+ case AnnotationType.LINK:
+ return new LinkAnnotationElement(parameters);
+
+ case AnnotationType.TEXT:
+ return new TextAnnotationElement(parameters);
+
+ case AnnotationType.WIDGET:
+ var fieldType = parameters.data.fieldType;
+
+ switch (fieldType) {
+ case 'Tx':
+ return new TextWidgetAnnotationElement(parameters);
+ }
+ return new WidgetAnnotationElement(parameters);
+
+ case AnnotationType.POPUP:
+ return new PopupAnnotationElement(parameters);
+
+ case AnnotationType.HIGHLIGHT:
+ return new HighlightAnnotationElement(parameters);
+
+ case AnnotationType.UNDERLINE:
+ return new UnderlineAnnotationElement(parameters);
+
+ case AnnotationType.SQUIGGLY:
+ return new SquigglyAnnotationElement(parameters);
+
+ case AnnotationType.STRIKEOUT:
+ return new StrikeOutAnnotationElement(parameters);
+
+ case AnnotationType.FILEATTACHMENT:
+ return new FileAttachmentAnnotationElement(parameters);
+
+ default:
+ return new AnnotationElement(parameters);
+ }
+ }
+};
+
+/**
+ * @class
+ * @alias AnnotationElement
+ */
+var AnnotationElement = (function AnnotationElementClosure() {
+ function AnnotationElement(parameters, isRenderable) {
+ this.isRenderable = isRenderable || false;
+ this.data = parameters.data;
+ this.layer = parameters.layer;
+ this.page = parameters.page;
+ this.viewport = parameters.viewport;
+ this.linkService = parameters.linkService;
+ this.downloadManager = parameters.downloadManager;
+ this.imageResourcesPath = parameters.imageResourcesPath;
+ this.renderInteractiveForms = parameters.renderInteractiveForms;
+
+ if (isRenderable) {
+ this.container = this._createContainer();
+ }
+ }
+
+ AnnotationElement.prototype = /** @lends AnnotationElement.prototype */ {
+ /**
+ * Create an empty container for the annotation's HTML element.
+ *
+ * @private
+ * @memberof AnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ _createContainer: function AnnotationElement_createContainer() {
+ var data = this.data, page = this.page, viewport = this.viewport;
+ var container = document.createElement('section');
+ var width = data.rect[2] - data.rect[0];
+ var height = data.rect[3] - data.rect[1];
+
+ container.setAttribute('data-annotation-id', data.id);
+
+ // Do *not* modify `data.rect`, since that will corrupt the annotation
+ // position on subsequent calls to `_createContainer` (see issue 6804).
+ var rect = Util.normalizeRect([
+ data.rect[0],
+ page.view[3] - data.rect[1] + page.view[1],
+ data.rect[2],
+ page.view[3] - data.rect[3] + page.view[1]
+ ]);
+
+ CustomStyle.setProp('transform', container,
+ 'matrix(' + viewport.transform.join(',') + ')');
+ CustomStyle.setProp('transformOrigin', container,
+ -rect[0] + 'px ' + -rect[1] + 'px');
+
+ if (data.borderStyle.width > 0) {
+ container.style.borderWidth = data.borderStyle.width + 'px';
+ if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {
+ // Underline styles only have a bottom border, so we do not need
+ // to adjust for all borders. This yields a similar result as
+ // Adobe Acrobat/Reader.
+ width = width - 2 * data.borderStyle.width;
+ height = height - 2 * data.borderStyle.width;
+ }
+
+ var horizontalRadius = data.borderStyle.horizontalCornerRadius;
+ var verticalRadius = data.borderStyle.verticalCornerRadius;
+ if (horizontalRadius > 0 || verticalRadius > 0) {
+ var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
+ CustomStyle.setProp('borderRadius', container, radius);
+ }
+
+ switch (data.borderStyle.style) {
+ case AnnotationBorderStyleType.SOLID:
+ container.style.borderStyle = 'solid';
+ break;
+
+ case AnnotationBorderStyleType.DASHED:
+ container.style.borderStyle = 'dashed';
+ break;
+
+ case AnnotationBorderStyleType.BEVELED:
+ warn('Unimplemented border style: beveled');
+ break;
+
+ case AnnotationBorderStyleType.INSET:
+ warn('Unimplemented border style: inset');
+ break;
+
+ case AnnotationBorderStyleType.UNDERLINE:
+ container.style.borderBottomStyle = 'solid';
+ break;
+
+ default:
+ break;
+ }
+
+ if (data.color) {
+ container.style.borderColor =
+ Util.makeCssRgb(data.color[0] | 0,
+ data.color[1] | 0,
+ data.color[2] | 0);
+ } else {
+ // Transparent (invisible) border, so do not draw it at all.
+ container.style.borderWidth = 0;
+ }
+ }
+
+ container.style.left = rect[0] + 'px';
+ container.style.top = rect[1] + 'px';
+
+ container.style.width = width + 'px';
+ container.style.height = height + 'px';
+
+ return container;
+ },
+
+ /**
+ * Create a popup for the annotation's HTML element. This is used for
+ * annotations that do not have a Popup entry in the dictionary, but
+ * are of a type that works with popups (such as Highlight annotations).
+ *
+ * @private
+ * @param {HTMLSectionElement} container
+ * @param {HTMLDivElement|HTMLImageElement|null} trigger
+ * @param {Object} data
+ * @memberof AnnotationElement
+ */
+ _createPopup:
+ function AnnotationElement_createPopup(container, trigger, data) {
+ // If no trigger element is specified, create it.
+ if (!trigger) {
+ trigger = document.createElement('div');
+ trigger.style.height = container.style.height;
+ trigger.style.width = container.style.width;
+ container.appendChild(trigger);
+ }
+
+ var popupElement = new PopupElement({
+ container: container,
+ trigger: trigger,
+ color: data.color,
+ title: data.title,
+ contents: data.contents,
+ hideWrapper: true
+ });
+ var popup = popupElement.render();
+
+ // Position the popup next to the annotation's container.
+ popup.style.left = container.style.width;
+
+ container.appendChild(popup);
+ },
+
+ /**
+ * Render the annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof AnnotationElement
+ */
+ render: function AnnotationElement_render() {
+ throw new Error('Abstract method AnnotationElement.render called');
+ }
+ };
+
+ return AnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias LinkAnnotationElement
+ */
+var LinkAnnotationElement = (function LinkAnnotationElementClosure() {
+ function LinkAnnotationElement(parameters) {
+ AnnotationElement.call(this, parameters, true);
+ }
+
+ Util.inherit(LinkAnnotationElement, AnnotationElement, {
+ /**
+ * Render the link annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof LinkAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function LinkAnnotationElement_render() {
+ this.container.className = 'linkAnnotation';
+
+ var link = document.createElement('a');
+ addLinkAttributes(link, {
+ url: this.data.url,
+ target: (this.data.newWindow ? LinkTarget.BLANK : undefined),
+ });
+
+ if (!this.data.url) {
+ if (this.data.action) {
+ this._bindNamedAction(link, this.data.action);
+ } else {
+ this._bindLink(link, (this.data.dest || null));
+ }
+ }
+
+ this.container.appendChild(link);
+ return this.container;
+ },
+
+ /**
+ * Bind internal links to the link element.
+ *
+ * @private
+ * @param {Object} link
+ * @param {Object} destination
+ * @memberof LinkAnnotationElement
+ */
+ _bindLink: function LinkAnnotationElement_bindLink(link, destination) {
+ var self = this;
+
+ link.href = this.linkService.getDestinationHash(destination);
+ link.onclick = function() {
+ if (destination) {
+ self.linkService.navigateTo(destination);
+ }
+ return false;
+ };
+ if (destination) {
+ link.className = 'internalLink';
+ }
+ },
+
+ /**
+ * Bind named actions to the link element.
+ *
+ * @private
+ * @param {Object} link
+ * @param {Object} action
+ * @memberof LinkAnnotationElement
+ */
+ _bindNamedAction:
+ function LinkAnnotationElement_bindNamedAction(link, action) {
+ var self = this;
+
+ link.href = this.linkService.getAnchorUrl('');
+ link.onclick = function() {
+ self.linkService.executeNamedAction(action);
+ return false;
+ };
+ link.className = 'internalLink';
+ }
+ });
+
+ return LinkAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias TextAnnotationElement
+ */
+var TextAnnotationElement = (function TextAnnotationElementClosure() {
+ function TextAnnotationElement(parameters) {
+ var isRenderable = !!(parameters.data.hasPopup ||
+ parameters.data.title || parameters.data.contents);
+ AnnotationElement.call(this, parameters, isRenderable);
+ }
+
+ Util.inherit(TextAnnotationElement, AnnotationElement, {
+ /**
+ * Render the text annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof TextAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function TextAnnotationElement_render() {
+ this.container.className = 'textAnnotation';
+
+ var image = document.createElement('img');
+ image.style.height = this.container.style.height;
+ image.style.width = this.container.style.width;
+ image.src = this.imageResourcesPath + 'annotation-' +
+ this.data.name.toLowerCase() + '.svg';
+ image.alt = '[{{type}} Annotation]';
+ image.dataset.l10nId = 'text_annotation_type';
+ image.dataset.l10nArgs = JSON.stringify({type: this.data.name});
+
+ if (!this.data.hasPopup) {
+ this._createPopup(this.container, image, this.data);
+ }
+
+ this.container.appendChild(image);
+ return this.container;
+ }
+ });
+
+ return TextAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias WidgetAnnotationElement
+ */
+var WidgetAnnotationElement = (function WidgetAnnotationElementClosure() {
+ function WidgetAnnotationElement(parameters) {
+ var isRenderable = parameters.renderInteractiveForms ||
+ (!parameters.data.hasAppearance && !!parameters.data.fieldValue);
+ AnnotationElement.call(this, parameters, isRenderable);
+ }
+
+ Util.inherit(WidgetAnnotationElement, AnnotationElement, {
+ /**
+ * Render the widget annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof WidgetAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function WidgetAnnotationElement_render() {
+ // Show only the container for unsupported field types.
+ return this.container;
+ }
+ });
+
+ return WidgetAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias TextWidgetAnnotationElement
+ */
+var TextWidgetAnnotationElement = (
+ function TextWidgetAnnotationElementClosure() {
+ var TEXT_ALIGNMENT = ['left', 'center', 'right'];
+
+ function TextWidgetAnnotationElement(parameters) {
+ WidgetAnnotationElement.call(this, parameters);
+ }
+
+ Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
+ /**
+ * Render the text widget annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof TextWidgetAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function TextWidgetAnnotationElement_render() {
+ this.container.className = 'textWidgetAnnotation';
+
+ var element = null;
+ if (this.renderInteractiveForms) {
+ // NOTE: We cannot set the values using `element.value` below, since it
+ // prevents the AnnotationLayer rasterizer in `test/driver.js`
+ // from parsing the elements correctly for the reference tests.
+ if (this.data.multiLine) {
+ element = document.createElement('textarea');
+ element.textContent = this.data.fieldValue;
+ } else {
+ element = document.createElement('input');
+ element.type = 'text';
+ element.setAttribute('value', this.data.fieldValue);
+ }
+
+ element.disabled = this.data.readOnly;
+
+ if (this.data.maxLen !== null) {
+ element.maxLength = this.data.maxLen;
+ }
+
+ if (this.data.comb) {
+ var fieldWidth = this.data.rect[2] - this.data.rect[0];
+ var combWidth = fieldWidth / this.data.maxLen;
+
+ element.classList.add('comb');
+ element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
+ }
+ } else {
+ element = document.createElement('div');
+ element.textContent = this.data.fieldValue;
+ element.style.verticalAlign = 'middle';
+ element.style.display = 'table-cell';
+
+ var font = null;
+ if (this.data.fontRefName) {
+ font = this.page.commonObjs.getData(this.data.fontRefName);
+ }
+ this._setTextStyle(element, font);
+ }
+
+ if (this.data.textAlignment !== null) {
+ element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
+ }
+
+ this.container.appendChild(element);
+ return this.container;
+ },
+
+ /**
+ * Apply text styles to the text in the element.
+ *
+ * @private
+ * @param {HTMLDivElement} element
+ * @param {Object} font
+ * @memberof TextWidgetAnnotationElement
+ */
+ _setTextStyle:
+ function TextWidgetAnnotationElement_setTextStyle(element, font) {
+ // TODO: This duplicates some of the logic in CanvasGraphics.setFont().
+ var style = element.style;
+ style.fontSize = this.data.fontSize + 'px';
+ style.direction = (this.data.fontDirection < 0 ? 'rtl': 'ltr');
+
+ if (!font) {
+ return;
+ }
+
+ style.fontWeight = (font.black ?
+ (font.bold ? '900' : 'bold') :
+ (font.bold ? 'bold' : 'normal'));
+ style.fontStyle = (font.italic ? 'italic' : 'normal');
+
+ // Use a reasonable default font if the font doesn't specify a fallback.
+ var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
+ var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
+ style.fontFamily = fontFamily + fallbackName;
+ }
+ });
+
+ return TextWidgetAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias PopupAnnotationElement
+ */
+var PopupAnnotationElement = (function PopupAnnotationElementClosure() {
+ function PopupAnnotationElement(parameters) {
+ var isRenderable = !!(parameters.data.title || parameters.data.contents);
+ AnnotationElement.call(this, parameters, isRenderable);
+ }
+
+ Util.inherit(PopupAnnotationElement, AnnotationElement, {
+ /**
+ * Render the popup annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof PopupAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function PopupAnnotationElement_render() {
+ this.container.className = 'popupAnnotation';
+
+ var selector = '[data-annotation-id="' + this.data.parentId + '"]';
+ var parentElement = this.layer.querySelector(selector);
+ if (!parentElement) {
+ return this.container;
+ }
+
+ var popup = new PopupElement({
+ container: this.container,
+ trigger: parentElement,
+ color: this.data.color,
+ title: this.data.title,
+ contents: this.data.contents
+ });
+
+ // Position the popup next to the parent annotation's container.
+ // PDF viewers ignore a popup annotation's rectangle.
+ var parentLeft = parseFloat(parentElement.style.left);
+ var parentWidth = parseFloat(parentElement.style.width);
+ CustomStyle.setProp('transformOrigin', this.container,
+ -(parentLeft + parentWidth) + 'px -' +
+ parentElement.style.top);
+ this.container.style.left = (parentLeft + parentWidth) + 'px';
+
+ this.container.appendChild(popup.render());
+ return this.container;
+ }
+ });
+
+ return PopupAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias PopupElement
+ */
+var PopupElement = (function PopupElementClosure() {
+ var BACKGROUND_ENLIGHT = 0.7;
+
+ function PopupElement(parameters) {
+ this.container = parameters.container;
+ this.trigger = parameters.trigger;
+ this.color = parameters.color;
+ this.title = parameters.title;
+ this.contents = parameters.contents;
+ this.hideWrapper = parameters.hideWrapper || false;
+
+ this.pinned = false;
+ }
+
+ PopupElement.prototype = /** @lends PopupElement.prototype */ {
+ /**
+ * Render the popup's HTML element.
+ *
+ * @public
+ * @memberof PopupElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function PopupElement_render() {
+ var wrapper = document.createElement('div');
+ wrapper.className = 'popupWrapper';
+
+ // For Popup annotations we hide the entire section because it contains
+ // only the popup. However, for Text annotations without a separate Popup
+ // annotation, we cannot hide the entire container as the image would
+ // disappear too. In that special case, hiding the wrapper suffices.
+ this.hideElement = (this.hideWrapper ? wrapper : this.container);
+ this.hideElement.setAttribute('hidden', true);
+
+ var popup = document.createElement('div');
+ popup.className = 'popup';
+
+ var color = this.color;
+ if (color) {
+ // Enlighten the color.
+ var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
+ var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
+ var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
+ popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);
+ }
+
+ var contents = this._formatContents(this.contents);
+ var title = document.createElement('h1');
+ title.textContent = this.title;
+
+ // Attach the event listeners to the trigger element.
+ this.trigger.addEventListener('click', this._toggle.bind(this));
+ this.trigger.addEventListener('mouseover', this._show.bind(this, false));
+ this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
+ popup.addEventListener('click', this._hide.bind(this, true));
+
+ popup.appendChild(title);
+ popup.appendChild(contents);
+ wrapper.appendChild(popup);
+ return wrapper;
+ },
+
+ /**
+ * Format the contents of the popup by adding newlines where necessary.
+ *
+ * @private
+ * @param {string} contents
+ * @memberof PopupElement
+ * @returns {HTMLParagraphElement}
+ */
+ _formatContents: function PopupElement_formatContents(contents) {
+ var p = document.createElement('p');
+ var lines = contents.split(/(?:\r\n?|\n)/);
+ for (var i = 0, ii = lines.length; i < ii; ++i) {
+ var line = lines[i];
+ p.appendChild(document.createTextNode(line));
+ if (i < (ii - 1)) {
+ p.appendChild(document.createElement('br'));
+ }
+ }
+ return p;
+ },
+
+ /**
+ * Toggle the visibility of the popup.
+ *
+ * @private
+ * @memberof PopupElement
+ */
+ _toggle: function PopupElement_toggle() {
+ if (this.pinned) {
+ this._hide(true);
+ } else {
+ this._show(true);
+ }
+ },
+
+ /**
+ * Show the popup.
+ *
+ * @private
+ * @param {boolean} pin
+ * @memberof PopupElement
+ */
+ _show: function PopupElement_show(pin) {
+ if (pin) {
+ this.pinned = true;
+ }
+ if (this.hideElement.hasAttribute('hidden')) {
+ this.hideElement.removeAttribute('hidden');
+ this.container.style.zIndex += 1;
+ }
+ },
+
+ /**
+ * Hide the popup.
+ *
+ * @private
+ * @param {boolean} unpin
+ * @memberof PopupElement
+ */
+ _hide: function PopupElement_hide(unpin) {
+ if (unpin) {
+ this.pinned = false;
+ }
+ if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
+ this.hideElement.setAttribute('hidden', true);
+ this.container.style.zIndex -= 1;
+ }
+ }
+ };
+
+ return PopupElement;
+})();
+
+/**
+ * @class
+ * @alias HighlightAnnotationElement
+ */
+var HighlightAnnotationElement = (
+ function HighlightAnnotationElementClosure() {
+ function HighlightAnnotationElement(parameters) {
+ var isRenderable = !!(parameters.data.hasPopup ||
+ parameters.data.title || parameters.data.contents);
+ AnnotationElement.call(this, parameters, isRenderable);
+ }
+
+ Util.inherit(HighlightAnnotationElement, AnnotationElement, {
+ /**
+ * Render the highlight annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof HighlightAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function HighlightAnnotationElement_render() {
+ this.container.className = 'highlightAnnotation';
+
+ if (!this.data.hasPopup) {
+ this._createPopup(this.container, null, this.data);
+ }
+
+ return this.container;
+ }
+ });
+
+ return HighlightAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias UnderlineAnnotationElement
+ */
+var UnderlineAnnotationElement = (
+ function UnderlineAnnotationElementClosure() {
+ function UnderlineAnnotationElement(parameters) {
+ var isRenderable = !!(parameters.data.hasPopup ||
+ parameters.data.title || parameters.data.contents);
+ AnnotationElement.call(this, parameters, isRenderable);
+ }
+
+ Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
+ /**
+ * Render the underline annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof UnderlineAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function UnderlineAnnotationElement_render() {
+ this.container.className = 'underlineAnnotation';
+
+ if (!this.data.hasPopup) {
+ this._createPopup(this.container, null, this.data);
+ }
+
+ return this.container;
+ }
+ });
+
+ return UnderlineAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias SquigglyAnnotationElement
+ */
+var SquigglyAnnotationElement = (function SquigglyAnnotationElementClosure() {
+ function SquigglyAnnotationElement(parameters) {
+ var isRenderable = !!(parameters.data.hasPopup ||
+ parameters.data.title || parameters.data.contents);
+ AnnotationElement.call(this, parameters, isRenderable);
+ }
+
+ Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
+ /**
+ * Render the squiggly annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof SquigglyAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function SquigglyAnnotationElement_render() {
+ this.container.className = 'squigglyAnnotation';
+
+ if (!this.data.hasPopup) {
+ this._createPopup(this.container, null, this.data);
+ }
+
+ return this.container;
+ }
+ });
+
+ return SquigglyAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias StrikeOutAnnotationElement
+ */
+var StrikeOutAnnotationElement = (
+ function StrikeOutAnnotationElementClosure() {
+ function StrikeOutAnnotationElement(parameters) {
+ var isRenderable = !!(parameters.data.hasPopup ||
+ parameters.data.title || parameters.data.contents);
+ AnnotationElement.call(this, parameters, isRenderable);
+ }
+
+ Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
+ /**
+ * Render the strikeout annotation's HTML element in the empty container.
+ *
+ * @public
+ * @memberof StrikeOutAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function StrikeOutAnnotationElement_render() {
+ this.container.className = 'strikeoutAnnotation';
+
+ if (!this.data.hasPopup) {
+ this._createPopup(this.container, null, this.data);
+ }
+
+ return this.container;
+ }
+ });
+
+ return StrikeOutAnnotationElement;
+})();
+
+/**
+ * @class
+ * @alias FileAttachmentAnnotationElement
+ */
+var FileAttachmentAnnotationElement = (
+ function FileAttachmentAnnotationElementClosure() {
+ function FileAttachmentAnnotationElement(parameters) {
+ AnnotationElement.call(this, parameters, true);
+
+ this.filename = getFilenameFromUrl(parameters.data.file.filename);
+ this.content = parameters.data.file.content;
+ }
+
+ Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
+ /**
+ * Render the file attachment annotation's HTML element in the empty
+ * container.
+ *
+ * @public
+ * @memberof FileAttachmentAnnotationElement
+ * @returns {HTMLSectionElement}
+ */
+ render: function FileAttachmentAnnotationElement_render() {
+ this.container.className = 'fileAttachmentAnnotation';
+
+ var trigger = document.createElement('div');
+ trigger.style.height = this.container.style.height;
+ trigger.style.width = this.container.style.width;
+ trigger.addEventListener('dblclick', this._download.bind(this));
+
+ if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+ this._createPopup(this.container, trigger, this.data);
+ }
+
+ this.container.appendChild(trigger);
+ return this.container;
+ },
+
+ /**
+ * Download the file attachment associated with this annotation.
+ *
+ * @private
+ * @memberof FileAttachmentAnnotationElement
+ */
+ _download: function FileAttachmentAnnotationElement_download() {
+ if (!this.downloadManager) {
+ warn('Download cannot be started due to unavailable download manager');
+ return;
+ }
+ this.downloadManager.downloadData(this.content, this.filename, '');
+ }
+ });
+
+ return FileAttachmentAnnotationElement;
+})();
+
+/**
+ * @typedef {Object} AnnotationLayerParameters
+ * @property {PageViewport} viewport
+ * @property {HTMLDivElement} div
+ * @property {Array} annotations
+ * @property {PDFPage} page
+ * @property {IPDFLinkService} linkService
+ * @property {string} imageResourcesPath
+ * @property {boolean} renderInteractiveForms
+ */
+
+/**
+ * @class
+ * @alias AnnotationLayer
+ */
+var AnnotationLayer = (function AnnotationLayerClosure() {
+ return {
+ /**
+ * Render a new annotation layer with all annotation elements.
+ *
+ * @public
+ * @param {AnnotationLayerParameters} parameters
+ * @memberof AnnotationLayer
+ */
+ render: function AnnotationLayer_render(parameters) {
+ var annotationElementFactory = new AnnotationElementFactory();
+
+ for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
+ var data = parameters.annotations[i];
+ if (!data) {
+ continue;
+ }
+
+ var properties = {
+ data: data,
+ layer: parameters.div,
+ page: parameters.page,
+ viewport: parameters.viewport,
+ linkService: parameters.linkService,
+ downloadManager: parameters.downloadManager,
+ imageResourcesPath: parameters.imageResourcesPath ||
+ getDefaultSetting('imageResourcesPath'),
+ renderInteractiveForms: parameters.renderInteractiveForms || false,
+ };
+ var element = annotationElementFactory.create(properties);
+ if (element.isRenderable) {
+ parameters.div.appendChild(element.render());
+ }
+ }
+ },
+
+ /**
+ * Update the annotation elements on existing annotation layer.
+ *
+ * @public
+ * @param {AnnotationLayerParameters} parameters
+ * @memberof AnnotationLayer
+ */
+ update: function AnnotationLayer_update(parameters) {
+ for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
+ var data = parameters.annotations[i];
+ var element = parameters.div.querySelector(
+ '[data-annotation-id="' + data.id + '"]');
+ if (element) {
+ CustomStyle.setProp('transform', element,
+ 'matrix(' + parameters.viewport.transform.join(',') + ')');
+ }
+ }
+ parameters.div.removeAttribute('hidden');
+ }
+ };
+})();
+
+exports.AnnotationLayer = AnnotationLayer;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayTextLayer = {}), root.pdfjsSharedUtil,
+ root.pdfjsDisplayDOMUtils);
+ }
+}(this, function (exports, sharedUtil, displayDOMUtils) {
+
+var Util = sharedUtil.Util;
+var createPromiseCapability = sharedUtil.createPromiseCapability;
+var CustomStyle = displayDOMUtils.CustomStyle;
+var getDefaultSetting = displayDOMUtils.getDefaultSetting;
+
+/**
+ * Text layer render parameters.
+ *
+ * @typedef {Object} TextLayerRenderParameters
+ * @property {TextContent} textContent - Text content to render (the object is
+ * returned by the page's getTextContent() method).
+ * @property {HTMLElement} container - HTML element that will contain text runs.
+ * @property {PageViewport} viewport - The target viewport to properly
+ * layout the text runs.
+ * @property {Array} textDivs - (optional) HTML elements that are correspond
+ * the text items of the textContent input. This is output and shall be
+ * initially be set to empty array.
+ * @property {number} timeout - (optional) Delay in milliseconds before
+ * rendering of the text runs occurs.
+ * @property {boolean} enhanceTextSelection - (optional) Whether to turn on the
+ * text selection enhancement.
+ */
+var renderTextLayer = (function renderTextLayerClosure() {
+ var MAX_TEXT_DIVS_TO_RENDER = 100000;
+
+ var NonWhitespaceRegexp = /\S/;
+
+ function isAllWhitespace(str) {
+ return !NonWhitespaceRegexp.test(str);
+ }
+
+ // Text layers may contain many thousand div's, and using `styleBuf` avoids
+ // creating many intermediate strings when building their 'style' properties.
+ var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0,
+ 'px; font-family: ', '', ';'];
+
+ function appendText(task, geom, styles) {
+ // Initialize all used properties to keep the caches monomorphic.
+ var textDiv = document.createElement('div');
+ var textDivProperties = {
+ style: null,
+ angle: 0,
+ canvasWidth: 0,
+ isWhitespace: false,
+ originalTransform: null,
+ paddingBottom: 0,
+ paddingLeft: 0,
+ paddingRight: 0,
+ paddingTop: 0,
+ scale: 1,
+ };
+
+ task._textDivs.push(textDiv);
+ if (isAllWhitespace(geom.str)) {
+ textDivProperties.isWhitespace = true;
+ task._textDivProperties.set(textDiv, textDivProperties);
+ return;
+ }
+
+ var tx = Util.transform(task._viewport.transform, geom.transform);
+ var angle = Math.atan2(tx[1], tx[0]);
+ var style = styles[geom.fontName];
+ if (style.vertical) {
+ angle += Math.PI / 2;
+ }
+ var fontHeight = Math.sqrt((tx[2] * tx[2]) + (tx[3] * tx[3]));
+ var fontAscent = fontHeight;
+ if (style.ascent) {
+ fontAscent = style.ascent * fontAscent;
+ } else if (style.descent) {
+ fontAscent = (1 + style.descent) * fontAscent;
+ }
+
+ var left;
+ var top;
+ if (angle === 0) {
+ left = tx[4];
+ top = tx[5] - fontAscent;
+ } else {
+ left = tx[4] + (fontAscent * Math.sin(angle));
+ top = tx[5] - (fontAscent * Math.cos(angle));
+ }
+ styleBuf[1] = left;
+ styleBuf[3] = top;
+ styleBuf[5] = fontHeight;
+ styleBuf[7] = style.fontFamily;
+ textDivProperties.style = styleBuf.join('');
+ textDiv.setAttribute('style', textDivProperties.style);
+
+ textDiv.textContent = geom.str;
+ // |fontName| is only used by the Font Inspector. This test will succeed
+ // when e.g. the Font Inspector is off but the Stepper is on, but it's
+ // not worth the effort to do a more accurate test. We only use `dataset`
+ // here to make the font name available for the debugger.
+ if (getDefaultSetting('pdfBug')) {
+ textDiv.dataset.fontName = geom.fontName;
+ }
+ if (angle !== 0) {
+ textDivProperties.angle = angle * (180 / Math.PI);
+ }
+ // We don't bother scaling single-char text divs, because it has very
+ // little effect on text highlighting. This makes scrolling on docs with
+ // lots of such divs a lot faster.
+ if (geom.str.length > 1) {
+ if (style.vertical) {
+ textDivProperties.canvasWidth = geom.height * task._viewport.scale;
+ } else {
+ textDivProperties.canvasWidth = geom.width * task._viewport.scale;
+ }
+ }
+ task._textDivProperties.set(textDiv, textDivProperties);
+
+ if (task._enhanceTextSelection) {
+ var angleCos = 1, angleSin = 0;
+ if (angle !== 0) {
+ angleCos = Math.cos(angle);
+ angleSin = Math.sin(angle);
+ }
+ var divWidth = (style.vertical ? geom.height : geom.width) *
+ task._viewport.scale;
+ var divHeight = fontHeight;
+
+ var m, b;
+ if (angle !== 0) {
+ m = [angleCos, angleSin, -angleSin, angleCos, left, top];
+ b = Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
+ } else {
+ b = [left, top, left + divWidth, top + divHeight];
+ }
+
+ task._bounds.push({
+ left: b[0],
+ top: b[1],
+ right: b[2],
+ bottom: b[3],
+ div: textDiv,
+ size: [divWidth, divHeight],
+ m: m
+ });
+ }
+ }
+
+ function render(task) {
+ if (task._canceled) {
+ return;
+ }
+ var textLayerFrag = task._container;
+ var textDivs = task._textDivs;
+ var capability = task._capability;
+ var textDivsLength = textDivs.length;
+
+ // No point in rendering many divs as it would make the browser
+ // unusable even after the divs are rendered.
+ if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
+ task._renderingDone = true;
+ capability.resolve();
+ return;
+ }
+
+ var canvas = document.createElement('canvas');
+ canvas.mozOpaque = true;
+ var ctx = canvas.getContext('2d', {alpha: false});
+
+ var lastFontSize;
+ var lastFontFamily;
+ for (var i = 0; i < textDivsLength; i++) {
+ var textDiv = textDivs[i];
+ var textDivProperties = task._textDivProperties.get(textDiv);
+ if (textDivProperties.isWhitespace) {
+ continue;
+ }
+
+ var fontSize = textDiv.style.fontSize;
+ var fontFamily = textDiv.style.fontFamily;
+
+ // Only build font string and set to context if different from last.
+ if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
+ ctx.font = fontSize + ' ' + fontFamily;
+ lastFontSize = fontSize;
+ lastFontFamily = fontFamily;
+ }
+
+ var width = ctx.measureText(textDiv.textContent).width;
+ textLayerFrag.appendChild(textDiv);
+
+ var transform = '';
+ if (textDivProperties.canvasWidth !== 0 && width > 0) {
+ textDivProperties.scale = textDivProperties.canvasWidth / width;
+ transform = 'scaleX(' + textDivProperties.scale + ')';
+ }
+ if (textDivProperties.angle !== 0) {
+ transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
+ }
+ if (transform !== '') {
+ textDivProperties.originalTransform = transform;
+ CustomStyle.setProp('transform', textDiv, transform);
+ }
+ task._textDivProperties.set(textDiv, textDivProperties);
+ }
+ task._renderingDone = true;
+ capability.resolve();
+ }
+
+ function expand(task) {
+ var bounds = task._bounds;
+ var viewport = task._viewport;
+
+ var expanded = expandBounds(viewport.width, viewport.height, bounds);
+ for (var i = 0; i < expanded.length; i++) {
+ var div = bounds[i].div;
+ var divProperties = task._textDivProperties.get(div);
+ if (divProperties.angle === 0) {
+ divProperties.paddingLeft = bounds[i].left - expanded[i].left;
+ divProperties.paddingTop = bounds[i].top - expanded[i].top;
+ divProperties.paddingRight = expanded[i].right - bounds[i].right;
+ divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
+ task._textDivProperties.set(div, divProperties);
+ continue;
+ }
+ // Box is rotated -- trying to find padding so rotated div will not
+ // exceed its expanded bounds.
+ var e = expanded[i], b = bounds[i];
+ var m = b.m, c = m[0], s = m[1];
+ // Finding intersections with expanded box.
+ var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
+ var ts = new Float64Array(64);
+ points.forEach(function (p, i) {
+ var t = Util.applyTransform(p, m);
+ ts[i + 0] = c && (e.left - t[0]) / c;
+ ts[i + 4] = s && (e.top - t[1]) / s;
+ ts[i + 8] = c && (e.right - t[0]) / c;
+ ts[i + 12] = s && (e.bottom - t[1]) / s;
+
+ ts[i + 16] = s && (e.left - t[0]) / -s;
+ ts[i + 20] = c && (e.top - t[1]) / c;
+ ts[i + 24] = s && (e.right - t[0]) / -s;
+ ts[i + 28] = c && (e.bottom - t[1]) / c;
+
+ ts[i + 32] = c && (e.left - t[0]) / -c;
+ ts[i + 36] = s && (e.top - t[1]) / -s;
+ ts[i + 40] = c && (e.right - t[0]) / -c;
+ ts[i + 44] = s && (e.bottom - t[1]) / -s;
+
+ ts[i + 48] = s && (e.left - t[0]) / s;
+ ts[i + 52] = c && (e.top - t[1]) / -c;
+ ts[i + 56] = s && (e.right - t[0]) / s;
+ ts[i + 60] = c && (e.bottom - t[1]) / -c;
+ });
+ var findPositiveMin = function (ts, offset, count) {
+ var result = 0;
+ for (var i = 0; i < count; i++) {
+ var t = ts[offset++];
+ if (t > 0) {
+ result = result ? Math.min(t, result) : t;
+ }
+ }
+ return result;
+ };
+ // Not based on math, but to simplify calculations, using cos and sin
+ // absolute values to not exceed the box (it can but insignificantly).
+ var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
+ divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
+ divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
+ divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
+ divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
+ task._textDivProperties.set(div, divProperties);
+ }
+ }
+
+ function expandBounds(width, height, boxes) {
+ var bounds = boxes.map(function (box, i) {
+ return {
+ x1: box.left,
+ y1: box.top,
+ x2: box.right,
+ y2: box.bottom,
+ index: i,
+ x1New: undefined,
+ x2New: undefined
+ };
+ });
+ expandBoundsLTR(width, bounds);
+ var expanded = new Array(boxes.length);
+ bounds.forEach(function (b) {
+ var i = b.index;
+ expanded[i] = {
+ left: b.x1New,
+ top: 0,
+ right: b.x2New,
+ bottom: 0
+ };
+ });
+
+ // Rotating on 90 degrees and extending extended boxes. Reusing the bounds
+ // array and objects.
+ boxes.map(function (box, i) {
+ var e = expanded[i], b = bounds[i];
+ b.x1 = box.top;
+ b.y1 = width - e.right;
+ b.x2 = box.bottom;
+ b.y2 = width - e.left;
+ b.index = i;
+ b.x1New = undefined;
+ b.x2New = undefined;
+ });
+ expandBoundsLTR(height, bounds);
+
+ bounds.forEach(function (b) {
+ var i = b.index;
+ expanded[i].top = b.x1New;
+ expanded[i].bottom = b.x2New;
+ });
+ return expanded;
+ }
+
+ function expandBoundsLTR(width, bounds) {
+ // Sorting by x1 coordinate and walk by the bounds in the same order.
+ bounds.sort(function (a, b) { return a.x1 - b.x1 || a.index - b.index; });
+
+ // First we see on the horizon is a fake boundary.
+ var fakeBoundary = {
+ x1: -Infinity,
+ y1: -Infinity,
+ x2: 0,
+ y2: Infinity,
+ index: -1,
+ x1New: 0,
+ x2New: 0
+ };
+ var horizon = [{
+ start: -Infinity,
+ end: Infinity,
+ boundary: fakeBoundary
+ }];
+
+ bounds.forEach(function (boundary) {
+ // Searching for the affected part of horizon.
+ // TODO red-black tree or simple binary search
+ var i = 0;
+ while (i < horizon.length && horizon[i].end <= boundary.y1) {
+ i++;
+ }
+ var j = horizon.length - 1;
+ while(j >= 0 && horizon[j].start >= boundary.y2) {
+ j--;
+ }
+
+ var horizonPart, affectedBoundary;
+ var q, k, maxXNew = -Infinity;
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ var xNew;
+ if (affectedBoundary.x2 > boundary.x1) {
+ // In the middle of the previous element, new x shall be at the
+ // boundary start. Extending if further if the affected bondary
+ // placed on top of the current one.
+ xNew = affectedBoundary.index > boundary.index ?
+ affectedBoundary.x1New : boundary.x1;
+ } else if (affectedBoundary.x2New === undefined) {
+ // We have some space in between, new x in middle will be a fair
+ // choice.
+ xNew = (affectedBoundary.x2 + boundary.x1) / 2;
+ } else {
+ // Affected boundary has x2new set, using it as new x.
+ xNew = affectedBoundary.x2New;
+ }
+ if (xNew > maxXNew) {
+ maxXNew = xNew;
+ }
+ }
+
+ // Set new x1 for current boundary.
+ boundary.x1New = maxXNew;
+
+ // Adjusts new x2 for the affected boundaries.
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ if (affectedBoundary.x2New === undefined) {
+ // Was not set yet, choosing new x if possible.
+ if (affectedBoundary.x2 > boundary.x1) {
+ // Current and affected boundaries intersect. If affected boundary
+ // is placed on top of the current, shrinking the affected.
+ if (affectedBoundary.index > boundary.index) {
+ affectedBoundary.x2New = affectedBoundary.x2;
+ }
+ } else {
+ affectedBoundary.x2New = maxXNew;
+ }
+ } else if (affectedBoundary.x2New > maxXNew) {
+ // Affected boundary is touching new x, pushing it back.
+ affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
+ }
+ }
+
+ // Fixing the horizon.
+ var changedHorizon = [], lastBoundary = null;
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ // Checking which boundary will be visible.
+ var useBoundary = affectedBoundary.x2 > boundary.x2 ?
+ affectedBoundary : boundary;
+ if (lastBoundary === useBoundary) {
+ // Merging with previous.
+ changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
+ } else {
+ changedHorizon.push({
+ start: horizonPart.start,
+ end: horizonPart.end,
+ boundary: useBoundary
+ });
+ lastBoundary = useBoundary;
+ }
+ }
+ if (horizon[i].start < boundary.y1) {
+ changedHorizon[0].start = boundary.y1;
+ changedHorizon.unshift({
+ start: horizon[i].start,
+ end: boundary.y1,
+ boundary: horizon[i].boundary
+ });
+ }
+ if (boundary.y2 < horizon[j].end) {
+ changedHorizon[changedHorizon.length - 1].end = boundary.y2;
+ changedHorizon.push({
+ start: boundary.y2,
+ end: horizon[j].end,
+ boundary: horizon[j].boundary
+ });
+ }
+
+ // Set x2 new of boundary that is no longer visible (see overlapping case
+ // above).
+ // TODO more efficient, e.g. via reference counting.
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ if (affectedBoundary.x2New !== undefined) {
+ continue;
+ }
+ var used = false;
+ for (k = i - 1; !used && k >= 0 &&
+ horizon[k].start >= affectedBoundary.y1; k--) {
+ used = horizon[k].boundary === affectedBoundary;
+ }
+ for (k = j + 1; !used && k < horizon.length &&
+ horizon[k].end <= affectedBoundary.y2; k++) {
+ used = horizon[k].boundary === affectedBoundary;
+ }
+ for (k = 0; !used && k < changedHorizon.length; k++) {
+ used = changedHorizon[k].boundary === affectedBoundary;
+ }
+ if (!used) {
+ affectedBoundary.x2New = maxXNew;
+ }
+ }
+
+ Array.prototype.splice.apply(horizon,
+ [i, j - i + 1].concat(changedHorizon));
+ });
+
+ // Set new x2 for all unset boundaries.
+ horizon.forEach(function (horizonPart) {
+ var affectedBoundary = horizonPart.boundary;
+ if (affectedBoundary.x2New === undefined) {
+ affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
+ }
+ });
+ }
+
+ /**
+ * Text layer rendering task.
+ *
+ * @param {TextContent} textContent
+ * @param {HTMLElement} container
+ * @param {PageViewport} viewport
+ * @param {Array} textDivs
+ * @param {boolean} enhanceTextSelection
+ * @private
+ */
+ function TextLayerRenderTask(textContent, container, viewport, textDivs,
+ enhanceTextSelection) {
+ this._textContent = textContent;
+ this._container = container;
+ this._viewport = viewport;
+ this._textDivs = textDivs || [];
+ this._textDivProperties = new WeakMap();
+ this._renderingDone = false;
+ this._canceled = false;
+ this._capability = createPromiseCapability();
+ this._renderTimer = null;
+ this._bounds = [];
+ this._enhanceTextSelection = !!enhanceTextSelection;
+ }
+ TextLayerRenderTask.prototype = {
+ get promise() {
+ return this._capability.promise;
+ },
+
+ cancel: function TextLayer_cancel() {
+ this._canceled = true;
+ if (this._renderTimer !== null) {
+ clearTimeout(this._renderTimer);
+ this._renderTimer = null;
+ }
+ this._capability.reject('canceled');
+ },
+
+ _render: function TextLayer_render(timeout) {
+ var textItems = this._textContent.items;
+ var textStyles = this._textContent.styles;
+ for (var i = 0, len = textItems.length; i < len; i++) {
+ appendText(this, textItems[i], textStyles);
+ }
+
+ if (!timeout) { // Render right away
+ render(this);
+ } else { // Schedule
+ var self = this;
+ this._renderTimer = setTimeout(function() {
+ render(self);
+ self._renderTimer = null;
+ }, timeout);
+ }
+ },
+
+ expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
+ if (!this._enhanceTextSelection || !this._renderingDone) {
+ return;
+ }
+ if (this._bounds !== null) {
+ expand(this);
+ this._bounds = null;
+ }
+
+ for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
+ var div = this._textDivs[i];
+ var divProperties = this._textDivProperties.get(div);
+
+ if (divProperties.isWhitespace) {
+ continue;
+ }
+ if (expandDivs) {
+ var transform = '', padding = '';
+
+ if (divProperties.scale !== 1) {
+ transform = 'scaleX(' + divProperties.scale + ')';
+ }
+ if (divProperties.angle !== 0) {
+ transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
+ }
+ if (divProperties.paddingLeft !== 0) {
+ padding += ' padding-left: ' +
+ (divProperties.paddingLeft / divProperties.scale) + 'px;';
+ transform += ' translateX(' +
+ (-divProperties.paddingLeft / divProperties.scale) + 'px)';
+ }
+ if (divProperties.paddingTop !== 0) {
+ padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
+ transform += ' translateY(' + (-divProperties.paddingTop) + 'px)';
+ }
+ if (divProperties.paddingRight !== 0) {
+ padding += ' padding-right: ' +
+ (divProperties.paddingRight / divProperties.scale) + 'px;';
+ }
+ if (divProperties.paddingBottom !== 0) {
+ padding += ' padding-bottom: ' +
+ divProperties.paddingBottom + 'px;';
+ }
+
+ if (padding !== '') {
+ div.setAttribute('style', divProperties.style + padding);
+ }
+ if (transform !== '') {
+ CustomStyle.setProp('transform', div, transform);
+ }
+ } else {
+ div.style.padding = 0;
+ CustomStyle.setProp('transform', div,
+ divProperties.originalTransform || '');
+ }
+ }
+ },
+ };
+
+ /**
+ * Starts rendering of the text layer.
+ *
+ * @param {TextLayerRenderParameters} renderParameters
+ * @returns {TextLayerRenderTask}
+ */
+ function renderTextLayer(renderParameters) {
+ var task = new TextLayerRenderTask(renderParameters.textContent,
+ renderParameters.container,
+ renderParameters.viewport,
+ renderParameters.textDivs,
+ renderParameters.enhanceTextSelection);
+ task._render(renderParameters.timeout);
+ return task;
+ }
+
+ return renderTextLayer;
+})();
+
+exports.renderTextLayer = renderTextLayer;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayWebGL = {}), root.pdfjsSharedUtil,
+ root.pdfjsDisplayDOMUtils);
+ }
+}(this, function (exports, sharedUtil, displayDOMUtils) {
+
+var shadow = sharedUtil.shadow;
+var getDefaultSetting = displayDOMUtils.getDefaultSetting;
+
+var WebGLUtils = (function WebGLUtilsClosure() {
+ function loadShader(gl, code, shaderType) {
+ var shader = gl.createShader(shaderType);
+ gl.shaderSource(shader, code);
+ gl.compileShader(shader);
+ var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
+ if (!compiled) {
+ var errorMsg = gl.getShaderInfoLog(shader);
+ throw new Error('Error during shader compilation: ' + errorMsg);
+ }
+ return shader;
+ }
+ function createVertexShader(gl, code) {
+ return loadShader(gl, code, gl.VERTEX_SHADER);
+ }
+ function createFragmentShader(gl, code) {
+ return loadShader(gl, code, gl.FRAGMENT_SHADER);
+ }
+ function createProgram(gl, shaders) {
+ var program = gl.createProgram();
+ for (var i = 0, ii = shaders.length; i < ii; ++i) {
+ gl.attachShader(program, shaders[i]);
+ }
+ gl.linkProgram(program);
+ var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
+ if (!linked) {
+ var errorMsg = gl.getProgramInfoLog(program);
+ throw new Error('Error during program linking: ' + errorMsg);
+ }
+ return program;
+ }
+ function createTexture(gl, image, textureId) {
+ gl.activeTexture(textureId);
+ var texture = gl.createTexture();
+ gl.bindTexture(gl.TEXTURE_2D, texture);
+
+ // Set the parameters so we can render any size image.
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+
+ // Upload the image into the texture.
+ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
+ return texture;
+ }
+
+ var currentGL, currentCanvas;
+ function generateGL() {
+ if (currentGL) {
+ return;
+ }
+ currentCanvas = document.createElement('canvas');
+ currentGL = currentCanvas.getContext('webgl',
+ { premultipliedalpha: false });
+ }
+
+ var smaskVertexShaderCode = '\
+ attribute vec2 a_position; \
+ attribute vec2 a_texCoord; \
+ \
+ uniform vec2 u_resolution; \
+ \
+ varying vec2 v_texCoord; \
+ \
+ void main() { \
+ vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \
+ gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
+ \
+ v_texCoord = a_texCoord; \
+ } ';
+
+ var smaskFragmentShaderCode = '\
+ precision mediump float; \
+ \
+ uniform vec4 u_backdrop; \
+ uniform int u_subtype; \
+ uniform sampler2D u_image; \
+ uniform sampler2D u_mask; \
+ \
+ varying vec2 v_texCoord; \
+ \
+ void main() { \
+ vec4 imageColor = texture2D(u_image, v_texCoord); \
+ vec4 maskColor = texture2D(u_mask, v_texCoord); \
+ if (u_backdrop.a > 0.0) { \
+ maskColor.rgb = maskColor.rgb * maskColor.a + \
+ u_backdrop.rgb * (1.0 - maskColor.a); \
+ } \
+ float lum; \
+ if (u_subtype == 0) { \
+ lum = maskColor.a; \
+ } else { \
+ lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \
+ maskColor.b * 0.11; \
+ } \
+ imageColor.a *= lum; \
+ imageColor.rgb *= imageColor.a; \
+ gl_FragColor = imageColor; \
+ } ';
+
+ var smaskCache = null;
+
+ function initSmaskGL() {
+ var canvas, gl;
+
+ generateGL();
+ canvas = currentCanvas;
+ currentCanvas = null;
+ gl = currentGL;
+ currentGL = null;
+
+ // setup a GLSL program
+ var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
+ var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
+ var program = createProgram(gl, [vertexShader, fragmentShader]);
+ gl.useProgram(program);
+
+ var cache = {};
+ cache.gl = gl;
+ cache.canvas = canvas;
+ cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
+ cache.positionLocation = gl.getAttribLocation(program, 'a_position');
+ cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
+ cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
+
+ var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
+ var texLayerLocation = gl.getUniformLocation(program, 'u_image');
+ var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
+
+ // provide texture coordinates for the rectangle.
+ var texCoordBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
+ 0.0, 0.0,
+ 1.0, 0.0,
+ 0.0, 1.0,
+ 0.0, 1.0,
+ 1.0, 0.0,
+ 1.0, 1.0]), gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(texCoordLocation);
+ gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
+
+ gl.uniform1i(texLayerLocation, 0);
+ gl.uniform1i(texMaskLocation, 1);
+
+ smaskCache = cache;
+ }
+
+ function composeSMask(layer, mask, properties) {
+ var width = layer.width, height = layer.height;
+
+ if (!smaskCache) {
+ initSmaskGL();
+ }
+ var cache = smaskCache,canvas = cache.canvas, gl = cache.gl;
+ canvas.width = width;
+ canvas.height = height;
+ gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+ gl.uniform2f(cache.resolutionLocation, width, height);
+
+ if (properties.backdrop) {
+ gl.uniform4f(cache.resolutionLocation, properties.backdrop[0],
+ properties.backdrop[1], properties.backdrop[2], 1);
+ } else {
+ gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
+ }
+ gl.uniform1i(cache.subtypeLocation,
+ properties.subtype === 'Luminosity' ? 1 : 0);
+
+ // Create a textures
+ var texture = createTexture(gl, layer, gl.TEXTURE0);
+ var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
+
+
+ // Create a buffer and put a single clipspace rectangle in
+ // it (2 triangles)
+ var buffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
+ 0, 0,
+ width, 0,
+ 0, height,
+ 0, height,
+ width, 0,
+ width, height]), gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(cache.positionLocation);
+ gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+
+ // draw
+ gl.clearColor(0, 0, 0, 0);
+ gl.enable(gl.BLEND);
+ gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+
+ gl.drawArrays(gl.TRIANGLES, 0, 6);
+
+ gl.flush();
+
+ gl.deleteTexture(texture);
+ gl.deleteTexture(maskTexture);
+ gl.deleteBuffer(buffer);
+
+ return canvas;
+ }
+
+ var figuresVertexShaderCode = '\
+ attribute vec2 a_position; \
+ attribute vec3 a_color; \
+ \
+ uniform vec2 u_resolution; \
+ uniform vec2 u_scale; \
+ uniform vec2 u_offset; \
+ \
+ varying vec4 v_color; \
+ \
+ void main() { \
+ vec2 position = (a_position + u_offset) * u_scale; \
+ vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \
+ gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
+ \
+ v_color = vec4(a_color / 255.0, 1.0); \
+ } ';
+
+ var figuresFragmentShaderCode = '\
+ precision mediump float; \
+ \
+ varying vec4 v_color; \
+ \
+ void main() { \
+ gl_FragColor = v_color; \
+ } ';
+
+ var figuresCache = null;
+
+ function initFiguresGL() {
+ var canvas, gl;
+
+ generateGL();
+ canvas = currentCanvas;
+ currentCanvas = null;
+ gl = currentGL;
+ currentGL = null;
+
+ // setup a GLSL program
+ var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
+ var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
+ var program = createProgram(gl, [vertexShader, fragmentShader]);
+ gl.useProgram(program);
+
+ var cache = {};
+ cache.gl = gl;
+ cache.canvas = canvas;
+ cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
+ cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
+ cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
+ cache.positionLocation = gl.getAttribLocation(program, 'a_position');
+ cache.colorLocation = gl.getAttribLocation(program, 'a_color');
+
+ figuresCache = cache;
+ }
+
+ function drawFigures(width, height, backgroundColor, figures, context) {
+ if (!figuresCache) {
+ initFiguresGL();
+ }
+ var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;
+
+ canvas.width = width;
+ canvas.height = height;
+ gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+ gl.uniform2f(cache.resolutionLocation, width, height);
+
+ // count triangle points
+ var count = 0;
+ var i, ii, rows;
+ for (i = 0, ii = figures.length; i < ii; i++) {
+ switch (figures[i].type) {
+ case 'lattice':
+ rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0;
+ count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
+ break;
+ case 'triangles':
+ count += figures[i].coords.length;
+ break;
+ }
+ }
+ // transfer data
+ var coords = new Float32Array(count * 2);
+ var colors = new Uint8Array(count * 3);
+ var coordsMap = context.coords, colorsMap = context.colors;
+ var pIndex = 0, cIndex = 0;
+ for (i = 0, ii = figures.length; i < ii; i++) {
+ var figure = figures[i], ps = figure.coords, cs = figure.colors;
+ switch (figure.type) {
+ case 'lattice':
+ var cols = figure.verticesPerRow;
+ rows = (ps.length / cols) | 0;
+ for (var row = 1; row < rows; row++) {
+ var offset = row * cols + 1;
+ for (var col = 1; col < cols; col++, offset++) {
+ coords[pIndex] = coordsMap[ps[offset - cols - 1]];
+ coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
+ coords[pIndex + 2] = coordsMap[ps[offset - cols]];
+ coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
+ coords[pIndex + 4] = coordsMap[ps[offset - 1]];
+ coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
+ colors[cIndex] = colorsMap[cs[offset - cols - 1]];
+ colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
+ colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
+ colors[cIndex + 3] = colorsMap[cs[offset - cols]];
+ colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
+ colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
+ colors[cIndex + 6] = colorsMap[cs[offset - 1]];
+ colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
+ colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
+
+ coords[pIndex + 6] = coords[pIndex + 2];
+ coords[pIndex + 7] = coords[pIndex + 3];
+ coords[pIndex + 8] = coords[pIndex + 4];
+ coords[pIndex + 9] = coords[pIndex + 5];
+ coords[pIndex + 10] = coordsMap[ps[offset]];
+ coords[pIndex + 11] = coordsMap[ps[offset] + 1];
+ colors[cIndex + 9] = colors[cIndex + 3];
+ colors[cIndex + 10] = colors[cIndex + 4];
+ colors[cIndex + 11] = colors[cIndex + 5];
+ colors[cIndex + 12] = colors[cIndex + 6];
+ colors[cIndex + 13] = colors[cIndex + 7];
+ colors[cIndex + 14] = colors[cIndex + 8];
+ colors[cIndex + 15] = colorsMap[cs[offset]];
+ colors[cIndex + 16] = colorsMap[cs[offset] + 1];
+ colors[cIndex + 17] = colorsMap[cs[offset] + 2];
+ pIndex += 12;
+ cIndex += 18;
+ }
+ }
+ break;
+ case 'triangles':
+ for (var j = 0, jj = ps.length; j < jj; j++) {
+ coords[pIndex] = coordsMap[ps[j]];
+ coords[pIndex + 1] = coordsMap[ps[j] + 1];
+ colors[cIndex] = colorsMap[cs[j]];
+ colors[cIndex + 1] = colorsMap[cs[j] + 1];
+ colors[cIndex + 2] = colorsMap[cs[j] + 2];
+ pIndex += 2;
+ cIndex += 3;
+ }
+ break;
+ }
+ }
+
+ // draw
+ if (backgroundColor) {
+ gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255,
+ backgroundColor[2] / 255, 1.0);
+ } else {
+ gl.clearColor(0, 0, 0, 0);
+ }
+ gl.clear(gl.COLOR_BUFFER_BIT);
+
+ var coordsBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(cache.positionLocation);
+ gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+
+ var colorsBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(cache.colorLocation);
+ gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false,
+ 0, 0);
+
+ gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
+ gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
+
+ gl.drawArrays(gl.TRIANGLES, 0, count);
+
+ gl.flush();
+
+ gl.deleteBuffer(coordsBuffer);
+ gl.deleteBuffer(colorsBuffer);
+
+ return canvas;
+ }
+
+ function cleanup() {
+ if (smaskCache && smaskCache.canvas) {
+ smaskCache.canvas.width = 0;
+ smaskCache.canvas.height = 0;
+ }
+ if (figuresCache && figuresCache.canvas) {
+ figuresCache.canvas.width = 0;
+ figuresCache.canvas.height = 0;
+ }
+ smaskCache = null;
+ figuresCache = null;
+ }
+
+ return {
+ get isEnabled() {
+ if (getDefaultSetting('disableWebGL')) {
+ return false;
+ }
+ var enabled = false;
+ try {
+ generateGL();
+ enabled = !!currentGL;
+ } catch (e) { }
+ return shadow(this, 'isEnabled', enabled);
+ },
+ composeSMask: composeSMask,
+ drawFigures: drawFigures,
+ clear: cleanup
+ };
+})();
+
+exports.WebGLUtils = WebGLUtils;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayPatternHelper = {}), root.pdfjsSharedUtil,
+ root.pdfjsDisplayWebGL);
+ }
+}(this, function (exports, sharedUtil, displayWebGL) {
+
+var Util = sharedUtil.Util;
+var info = sharedUtil.info;
+var isArray = sharedUtil.isArray;
+var error = sharedUtil.error;
+var WebGLUtils = displayWebGL.WebGLUtils;
+
+var ShadingIRs = {};
+
+ShadingIRs.RadialAxial = {
+ fromIR: function RadialAxial_fromIR(raw) {
+ var type = raw[1];
+ var colorStops = raw[2];
+ var p0 = raw[3];
+ var p1 = raw[4];
+ var r0 = raw[5];
+ var r1 = raw[6];
+ return {
+ type: 'Pattern',
+ getPattern: function RadialAxial_getPattern(ctx) {
+ var grad;
+ if (type === 'axial') {
+ grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
+ } else if (type === 'radial') {
+ grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
+ }
+
+ for (var i = 0, ii = colorStops.length; i < ii; ++i) {
+ var c = colorStops[i];
+ grad.addColorStop(c[0], c[1]);
+ }
+ return grad;
+ }
+ };
+ }
+};
+
+var createMeshCanvas = (function createMeshCanvasClosure() {
+ function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
+ // Very basic Gouraud-shaded triangle rasterization algorithm.
+ var coords = context.coords, colors = context.colors;
+ var bytes = data.data, rowSize = data.width * 4;
+ var tmp;
+ if (coords[p1 + 1] > coords[p2 + 1]) {
+ tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp;
+ }
+ if (coords[p2 + 1] > coords[p3 + 1]) {
+ tmp = p2; p2 = p3; p3 = tmp; tmp = c2; c2 = c3; c3 = tmp;
+ }
+ if (coords[p1 + 1] > coords[p2 + 1]) {
+ tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp;
+ }
+ var x1 = (coords[p1] + context.offsetX) * context.scaleX;
+ var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
+ var x2 = (coords[p2] + context.offsetX) * context.scaleX;
+ var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
+ var x3 = (coords[p3] + context.offsetX) * context.scaleX;
+ var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
+ if (y1 >= y3) {
+ return;
+ }
+ var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2];
+ var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2];
+ var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2];
+
+ var minY = Math.round(y1), maxY = Math.round(y3);
+ var xa, car, cag, cab;
+ var xb, cbr, cbg, cbb;
+ var k;
+ for (var y = minY; y <= maxY; y++) {
+ if (y < y2) {
+ k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
+ xa = x1 - (x1 - x2) * k;
+ car = c1r - (c1r - c2r) * k;
+ cag = c1g - (c1g - c2g) * k;
+ cab = c1b - (c1b - c2b) * k;
+ } else {
+ k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
+ xa = x2 - (x2 - x3) * k;
+ car = c2r - (c2r - c3r) * k;
+ cag = c2g - (c2g - c3g) * k;
+ cab = c2b - (c2b - c3b) * k;
+ }
+ k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
+ xb = x1 - (x1 - x3) * k;
+ cbr = c1r - (c1r - c3r) * k;
+ cbg = c1g - (c1g - c3g) * k;
+ cbb = c1b - (c1b - c3b) * k;
+ var x1_ = Math.round(Math.min(xa, xb));
+ var x2_ = Math.round(Math.max(xa, xb));
+ var j = rowSize * y + x1_ * 4;
+ for (var x = x1_; x <= x2_; x++) {
+ k = (xa - x) / (xa - xb);
+ k = k < 0 ? 0 : k > 1 ? 1 : k;
+ bytes[j++] = (car - (car - cbr) * k) | 0;
+ bytes[j++] = (cag - (cag - cbg) * k) | 0;
+ bytes[j++] = (cab - (cab - cbb) * k) | 0;
+ bytes[j++] = 255;
+ }
+ }
+ }
+
+ function drawFigure(data, figure, context) {
+ var ps = figure.coords;
+ var cs = figure.colors;
+ var i, ii;
+ switch (figure.type) {
+ case 'lattice':
+ var verticesPerRow = figure.verticesPerRow;
+ var rows = Math.floor(ps.length / verticesPerRow) - 1;
+ var cols = verticesPerRow - 1;
+ for (i = 0; i < rows; i++) {
+ var q = i * verticesPerRow;
+ for (var j = 0; j < cols; j++, q++) {
+ drawTriangle(data, context,
+ ps[q], ps[q + 1], ps[q + verticesPerRow],
+ cs[q], cs[q + 1], cs[q + verticesPerRow]);
+ drawTriangle(data, context,
+ ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow],
+ cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
+ }
+ }
+ break;
+ case 'triangles':
+ for (i = 0, ii = ps.length; i < ii; i += 3) {
+ drawTriangle(data, context,
+ ps[i], ps[i + 1], ps[i + 2],
+ cs[i], cs[i + 1], cs[i + 2]);
+ }
+ break;
+ default:
+ error('illigal figure');
+ break;
+ }
+ }
+
+ function createMeshCanvas(bounds, combinesScale, coords, colors, figures,
+ backgroundColor, cachedCanvases) {
+ // we will increase scale on some weird factor to let antialiasing take
+ // care of "rough" edges
+ var EXPECTED_SCALE = 1.1;
+ // MAX_PATTERN_SIZE is used to avoid OOM situation.
+ var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough
+ // We need to keep transparent border around our pattern for fill():
+ // createPattern with 'no-repeat' will bleed edges across entire area.
+ var BORDER_SIZE = 2;
+
+ var offsetX = Math.floor(bounds[0]);
+ var offsetY = Math.floor(bounds[1]);
+ var boundsWidth = Math.ceil(bounds[2]) - offsetX;
+ var boundsHeight = Math.ceil(bounds[3]) - offsetY;
+
+ var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] *
+ EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+ var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] *
+ EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+ var scaleX = boundsWidth / width;
+ var scaleY = boundsHeight / height;
+
+ var context = {
+ coords: coords,
+ colors: colors,
+ offsetX: -offsetX,
+ offsetY: -offsetY,
+ scaleX: 1 / scaleX,
+ scaleY: 1 / scaleY
+ };
+
+ var paddedWidth = width + BORDER_SIZE * 2;
+ var paddedHeight = height + BORDER_SIZE * 2;
+
+ var canvas, tmpCanvas, i, ii;
+ if (WebGLUtils.isEnabled) {
+ canvas = WebGLUtils.drawFigures(width, height, backgroundColor,
+ figures, context);
+
+ // https://bugzilla.mozilla.org/show_bug.cgi?id=972126
+ tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight,
+ false);
+ tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
+ canvas = tmpCanvas.canvas;
+ } else {
+ tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight,
+ false);
+ var tmpCtx = tmpCanvas.context;
+
+ var data = tmpCtx.createImageData(width, height);
+ if (backgroundColor) {
+ var bytes = data.data;
+ for (i = 0, ii = bytes.length; i < ii; i += 4) {
+ bytes[i] = backgroundColor[0];
+ bytes[i + 1] = backgroundColor[1];
+ bytes[i + 2] = backgroundColor[2];
+ bytes[i + 3] = 255;
+ }
+ }
+ for (i = 0; i < figures.length; i++) {
+ drawFigure(data, figures[i], context);
+ }
+ tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
+ canvas = tmpCanvas.canvas;
+ }
+
+ return {canvas: canvas,
+ offsetX: offsetX - BORDER_SIZE * scaleX,
+ offsetY: offsetY - BORDER_SIZE * scaleY,
+ scaleX: scaleX, scaleY: scaleY};
+ }
+ return createMeshCanvas;
+})();
+
+ShadingIRs.Mesh = {
+ fromIR: function Mesh_fromIR(raw) {
+ //var type = raw[1];
+ var coords = raw[2];
+ var colors = raw[3];
+ var figures = raw[4];
+ var bounds = raw[5];
+ var matrix = raw[6];
+ //var bbox = raw[7];
+ var background = raw[8];
+ return {
+ type: 'Pattern',
+ getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
+ var scale;
+ if (shadingFill) {
+ scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
+ } else {
+ // Obtain scale from matrix and current transformation matrix.
+ scale = Util.singularValueDecompose2dScale(owner.baseTransform);
+ if (matrix) {
+ var matrixScale = Util.singularValueDecompose2dScale(matrix);
+ scale = [scale[0] * matrixScale[0],
+ scale[1] * matrixScale[1]];
+ }
+ }
+
+
+ // Rasterizing on the main thread since sending/queue large canvases
+ // might cause OOM.
+ var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords,
+ colors, figures, shadingFill ? null : background,
+ owner.cachedCanvases);
+
+ if (!shadingFill) {
+ ctx.setTransform.apply(ctx, owner.baseTransform);
+ if (matrix) {
+ ctx.transform.apply(ctx, matrix);
+ }
+ }
+
+ ctx.translate(temporaryPatternCanvas.offsetX,
+ temporaryPatternCanvas.offsetY);
+ ctx.scale(temporaryPatternCanvas.scaleX,
+ temporaryPatternCanvas.scaleY);
+
+ return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
+ }
+ };
+ }
+};
+
+ShadingIRs.Dummy = {
+ fromIR: function Dummy_fromIR() {
+ return {
+ type: 'Pattern',
+ getPattern: function Dummy_fromIR_getPattern() {
+ return 'hotpink';
+ }
+ };
+ }
+};
+
+function getShadingPatternFromIR(raw) {
+ var shadingIR = ShadingIRs[raw[0]];
+ if (!shadingIR) {
+ error('Unknown IR type: ' + raw[0]);
+ }
+ return shadingIR.fromIR(raw);
+}
+
+var TilingPattern = (function TilingPatternClosure() {
+ var PaintType = {
+ COLORED: 1,
+ UNCOLORED: 2
+ };
+
+ var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough
+
+ function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
+ this.operatorList = IR[2];
+ this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
+ this.bbox = IR[4];
+ this.xstep = IR[5];
+ this.ystep = IR[6];
+ this.paintType = IR[7];
+ this.tilingType = IR[8];
+ this.color = color;
+ this.canvasGraphicsFactory = canvasGraphicsFactory;
+ this.baseTransform = baseTransform;
+ this.type = 'Pattern';
+ this.ctx = ctx;
+ }
+
+ TilingPattern.prototype = {
+ createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
+ var operatorList = this.operatorList;
+ var bbox = this.bbox;
+ var xstep = this.xstep;
+ var ystep = this.ystep;
+ var paintType = this.paintType;
+ var tilingType = this.tilingType;
+ var color = this.color;
+ var canvasGraphicsFactory = this.canvasGraphicsFactory;
+
+ info('TilingType: ' + tilingType);
+
+ var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3];
+
+ var topLeft = [x0, y0];
+ // we want the canvas to be as large as the step size
+ var botRight = [x0 + xstep, y0 + ystep];
+
+ var width = botRight[0] - topLeft[0];
+ var height = botRight[1] - topLeft[1];
+
+ // Obtain scale from matrix and current transformation matrix.
+ var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
+ var curMatrixScale = Util.singularValueDecompose2dScale(
+ this.baseTransform);
+ var combinedScale = [matrixScale[0] * curMatrixScale[0],
+ matrixScale[1] * curMatrixScale[1]];
+
+ // MAX_PATTERN_SIZE is used to avoid OOM situation.
+ // Use width and height values that are as close as possible to the end
+ // result when the pattern is used. Too low value makes the pattern look
+ // blurry. Too large value makes it look too crispy.
+ width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])),
+ MAX_PATTERN_SIZE);
+
+ height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])),
+ MAX_PATTERN_SIZE);
+
+ var tmpCanvas = owner.cachedCanvases.getCanvas('pattern',
+ width, height, true);
+ var tmpCtx = tmpCanvas.context;
+ var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
+ graphics.groupLevel = owner.groupLevel;
+
+ this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
+
+ this.setScale(width, height, xstep, ystep);
+ this.transformToScale(graphics);
+
+ // transform coordinates to pattern space
+ var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]];
+ graphics.transform.apply(graphics, tmpTranslate);
+
+ this.clipBbox(graphics, bbox, x0, y0, x1, y1);
+
+ graphics.executeOperatorList(operatorList);
+ return tmpCanvas.canvas;
+ },
+
+ setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
+ this.scale = [width / xstep, height / ystep];
+ },
+
+ transformToScale: function TilingPattern_transformToScale(graphics) {
+ var scale = this.scale;
+ var tmpScale = [scale[0], 0, 0, scale[1], 0, 0];
+ graphics.transform.apply(graphics, tmpScale);
+ },
+
+ scaleToContext: function TilingPattern_scaleToContext() {
+ var scale = this.scale;
+ this.ctx.scale(1 / scale[0], 1 / scale[1]);
+ },
+
+ clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
+ if (bbox && isArray(bbox) && bbox.length === 4) {
+ var bboxWidth = x1 - x0;
+ var bboxHeight = y1 - y0;
+ graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
+ graphics.clip();
+ graphics.endPath();
+ }
+ },
+
+ setFillAndStrokeStyleToContext:
+ function setFillAndStrokeStyleToContext(context, paintType, color) {
+ switch (paintType) {
+ case PaintType.COLORED:
+ var ctx = this.ctx;
+ context.fillStyle = ctx.fillStyle;
+ context.strokeStyle = ctx.strokeStyle;
+ break;
+ case PaintType.UNCOLORED:
+ var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);
+ context.fillStyle = cssColor;
+ context.strokeStyle = cssColor;
+ break;
+ default:
+ error('Unsupported paint type: ' + paintType);
+ }
+ },
+
+ getPattern: function TilingPattern_getPattern(ctx, owner) {
+ var temporaryPatternCanvas = this.createPatternCanvas(owner);
+
+ ctx = this.ctx;
+ ctx.setTransform.apply(ctx, this.baseTransform);
+ ctx.transform.apply(ctx, this.matrix);
+ this.scaleToContext();
+
+ return ctx.createPattern(temporaryPatternCanvas, 'repeat');
+ }
+ };
+
+ return TilingPattern;
+})();
+
+exports.getShadingPatternFromIR = getShadingPatternFromIR;
+exports.TilingPattern = TilingPattern;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayCanvas = {}), root.pdfjsSharedUtil,
+ root.pdfjsDisplayDOMUtils, root.pdfjsDisplayPatternHelper,
+ root.pdfjsDisplayWebGL);
+ }
+}(this, function (exports, sharedUtil, displayDOMUtils, displayPatternHelper,
+ displayWebGL) {
+
+var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
+var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
+var ImageKind = sharedUtil.ImageKind;
+var OPS = sharedUtil.OPS;
+var TextRenderingMode = sharedUtil.TextRenderingMode;
+var Uint32ArrayView = sharedUtil.Uint32ArrayView;
+var Util = sharedUtil.Util;
+var assert = sharedUtil.assert;
+var info = sharedUtil.info;
+var isNum = sharedUtil.isNum;
+var isArray = sharedUtil.isArray;
+var isLittleEndian = sharedUtil.isLittleEndian;
+var error = sharedUtil.error;
+var shadow = sharedUtil.shadow;
+var warn = sharedUtil.warn;
+var TilingPattern = displayPatternHelper.TilingPattern;
+var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
+var WebGLUtils = displayWebGL.WebGLUtils;
+var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
+
+// <canvas> contexts store most of the state we need natively.
+// However, PDF needs a bit more state, which we store here.
+
+// Minimal font size that would be used during canvas fillText operations.
+var MIN_FONT_SIZE = 16;
+// Maximum font size that would be used during canvas fillText operations.
+var MAX_FONT_SIZE = 100;
+var MAX_GROUP_SIZE = 4096;
+
+// Heuristic value used when enforcing minimum line widths.
+var MIN_WIDTH_FACTOR = 0.65;
+
+var COMPILE_TYPE3_GLYPHS = true;
+var MAX_SIZE_TO_COMPILE = 1000;
+
+var FULL_CHUNK_HEIGHT = 16;
+
+var HasCanvasTypedArraysCached = {
+ get value() {
+ return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
+ }
+};
+
+var IsLittleEndianCached = {
+ get value() {
+ return shadow(IsLittleEndianCached, 'value', isLittleEndian());
+ }
+};
+
+function createScratchCanvas(width, height) {
+ var canvas = document.createElement('canvas');
+ canvas.width = width;
+ canvas.height = height;
+ return canvas;
+}
+
+function addContextCurrentTransform(ctx) {
+ // If the context doesn't expose a `mozCurrentTransform`, add a JS based one.
+ if (!ctx.mozCurrentTransform) {
+ ctx._originalSave = ctx.save;
+ ctx._originalRestore = ctx.restore;
+ ctx._originalRotate = ctx.rotate;
+ ctx._originalScale = ctx.scale;
+ ctx._originalTranslate = ctx.translate;
+ ctx._originalTransform = ctx.transform;
+ ctx._originalSetTransform = ctx.setTransform;
+
+ ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
+ ctx._transformStack = [];
+
+ Object.defineProperty(ctx, 'mozCurrentTransform', {
+ get: function getCurrentTransform() {
+ return this._transformMatrix;
+ }
+ });
+
+ Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
+ get: function getCurrentTransformInverse() {
+ // Calculation done using WolframAlpha:
+ // http://www.wolframalpha.com/input/?
+ // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}}
+
+ var m = this._transformMatrix;
+ var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];
+
+ var ad_bc = a * d - b * c;
+ var bc_ad = b * c - a * d;
+
+ return [
+ d / ad_bc,
+ b / bc_ad,
+ c / bc_ad,
+ a / ad_bc,
+ (d * e - c * f) / bc_ad,
+ (b * e - a * f) / ad_bc
+ ];
+ }
+ });
+
+ ctx.save = function ctxSave() {
+ var old = this._transformMatrix;
+ this._transformStack.push(old);
+ this._transformMatrix = old.slice(0, 6);
+
+ this._originalSave();
+ };
+
+ ctx.restore = function ctxRestore() {
+ var prev = this._transformStack.pop();
+ if (prev) {
+ this._transformMatrix = prev;
+ this._originalRestore();
+ }
+ };
+
+ ctx.translate = function ctxTranslate(x, y) {
+ var m = this._transformMatrix;
+ m[4] = m[0] * x + m[2] * y + m[4];
+ m[5] = m[1] * x + m[3] * y + m[5];
+
+ this._originalTranslate(x, y);
+ };
+
+ ctx.scale = function ctxScale(x, y) {
+ var m = this._transformMatrix;
+ m[0] = m[0] * x;
+ m[1] = m[1] * x;
+ m[2] = m[2] * y;
+ m[3] = m[3] * y;
+
+ this._originalScale(x, y);
+ };
+
+ ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+ var m = this._transformMatrix;
+ this._transformMatrix = [
+ m[0] * a + m[2] * b,
+ m[1] * a + m[3] * b,
+ m[0] * c + m[2] * d,
+ m[1] * c + m[3] * d,
+ m[0] * e + m[2] * f + m[4],
+ m[1] * e + m[3] * f + m[5]
+ ];
+
+ ctx._originalTransform(a, b, c, d, e, f);
+ };
+
+ ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+ this._transformMatrix = [a, b, c, d, e, f];
+
+ ctx._originalSetTransform(a, b, c, d, e, f);
+ };
+
+ ctx.rotate = function ctxRotate(angle) {
+ var cosValue = Math.cos(angle);
+ var sinValue = Math.sin(angle);
+
+ var m = this._transformMatrix;
+ this._transformMatrix = [
+ m[0] * cosValue + m[2] * sinValue,
+ m[1] * cosValue + m[3] * sinValue,
+ m[0] * (-sinValue) + m[2] * cosValue,
+ m[1] * (-sinValue) + m[3] * cosValue,
+ m[4],
+ m[5]
+ ];
+
+ this._originalRotate(angle);
+ };
+ }
+}
+
+var CachedCanvases = (function CachedCanvasesClosure() {
+ function CachedCanvases() {
+ this.cache = Object.create(null);
+ }
+ CachedCanvases.prototype = {
+ getCanvas: function CachedCanvases_getCanvas(id, width, height,
+ trackTransform) {
+ var canvasEntry;
+ if (this.cache[id] !== undefined) {
+ canvasEntry = this.cache[id];
+ canvasEntry.canvas.width = width;
+ canvasEntry.canvas.height = height;
+ // reset canvas transform for emulated mozCurrentTransform, if needed
+ canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
+ } else {
+ var canvas = createScratchCanvas(width, height);
+ var ctx = canvas.getContext('2d');
+ if (trackTransform) {
+ addContextCurrentTransform(ctx);
+ }
+ this.cache[id] = canvasEntry = {canvas: canvas, context: ctx};
+ }
+ return canvasEntry;
+ },
+ clear: function () {
+ for (var id in this.cache) {
+ var canvasEntry = this.cache[id];
+ // Zeroing the width and height causes Firefox to release graphics
+ // resources immediately, which can greatly reduce memory consumption.
+ canvasEntry.canvas.width = 0;
+ canvasEntry.canvas.height = 0;
+ delete this.cache[id];
+ }
+ }
+ };
+ return CachedCanvases;
+})();
+
+function compileType3Glyph(imgData) {
+ var POINT_TO_PROCESS_LIMIT = 1000;
+
+ var width = imgData.width, height = imgData.height;
+ var i, j, j0, width1 = width + 1;
+ var points = new Uint8Array(width1 * (height + 1));
+ var POINT_TYPES =
+ new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
+
+ // decodes bit-packed mask data
+ var lineSize = (width + 7) & ~7, data0 = imgData.data;
+ var data = new Uint8Array(lineSize * height), pos = 0, ii;
+ for (i = 0, ii = data0.length; i < ii; i++) {
+ var mask = 128, elem = data0[i];
+ while (mask > 0) {
+ data[pos++] = (elem & mask) ? 0 : 255;
+ mask >>= 1;
+ }
+ }
+
+ // finding iteresting points: every point is located between mask pixels,
+ // so there will be points of the (width + 1)x(height + 1) grid. Every point
+ // will have flags assigned based on neighboring mask pixels:
+ // 4 | 8
+ // --P--
+ // 2 | 1
+ // We are interested only in points with the flags:
+ // - outside corners: 1, 2, 4, 8;
+ // - inside corners: 7, 11, 13, 14;
+ // - and, intersections: 5, 10.
+ var count = 0;
+ pos = 0;
+ if (data[pos] !== 0) {
+ points[0] = 1;
+ ++count;
+ }
+ for (j = 1; j < width; j++) {
+ if (data[pos] !== data[pos + 1]) {
+ points[j] = data[pos] ? 2 : 1;
+ ++count;
+ }
+ pos++;
+ }
+ if (data[pos] !== 0) {
+ points[j] = 2;
+ ++count;
+ }
+ for (i = 1; i < height; i++) {
+ pos = i * lineSize;
+ j0 = i * width1;
+ if (data[pos - lineSize] !== data[pos]) {
+ points[j0] = data[pos] ? 1 : 8;
+ ++count;
+ }
+ // 'sum' is the position of the current pixel configuration in the 'TYPES'
+ // array (in order 8-1-2-4, so we can use '>>2' to shift the column).
+ var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
+ for (j = 1; j < width; j++) {
+ sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) +
+ (data[pos - lineSize + 1] ? 8 : 0);
+ if (POINT_TYPES[sum]) {
+ points[j0 + j] = POINT_TYPES[sum];
+ ++count;
+ }
+ pos++;
+ }
+ if (data[pos - lineSize] !== data[pos]) {
+ points[j0 + j] = data[pos] ? 2 : 4;
+ ++count;
+ }
+
+ if (count > POINT_TO_PROCESS_LIMIT) {
+ return null;
+ }
+ }
+
+ pos = lineSize * (height - 1);
+ j0 = i * width1;
+ if (data[pos] !== 0) {
+ points[j0] = 8;
+ ++count;
+ }
+ for (j = 1; j < width; j++) {
+ if (data[pos] !== data[pos + 1]) {
+ points[j0 + j] = data[pos] ? 4 : 8;
+ ++count;
+ }
+ pos++;
+ }
+ if (data[pos] !== 0) {
+ points[j0 + j] = 4;
+ ++count;
+ }
+ if (count > POINT_TO_PROCESS_LIMIT) {
+ return null;
+ }
+
+ // building outlines
+ var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
+ var outlines = [];
+ for (i = 0; count && i <= height; i++) {
+ var p = i * width1;
+ var end = p + width;
+ while (p < end && !points[p]) {
+ p++;
+ }
+ if (p === end) {
+ continue;
+ }
+ var coords = [p % width1, i];
+
+ var type = points[p], p0 = p, pp;
+ do {
+ var step = steps[type];
+ do {
+ p += step;
+ } while (!points[p]);
+
+ pp = points[p];
+ if (pp !== 5 && pp !== 10) {
+ // set new direction
+ type = pp;
+ // delete mark
+ points[p] = 0;
+ } else { // type is 5 or 10, ie, a crossing
+ // set new direction
+ type = pp & ((0x33 * type) >> 4);
+ // set new type for "future hit"
+ points[p] &= (type >> 2 | type << 2);
+ }
+
+ coords.push(p % width1);
+ coords.push((p / width1) | 0);
+ --count;
+ } while (p0 !== p);
+ outlines.push(coords);
+ --i;
+ }
+
+ var drawOutline = function(c) {
+ c.save();
+ // the path shall be painted in [0..1]x[0..1] space
+ c.scale(1 / width, -1 / height);
+ c.translate(0, -height);
+ c.beginPath();
+ for (var i = 0, ii = outlines.length; i < ii; i++) {
+ var o = outlines[i];
+ c.moveTo(o[0], o[1]);
+ for (var j = 2, jj = o.length; j < jj; j += 2) {
+ c.lineTo(o[j], o[j+1]);
+ }
+ }
+ c.fill();
+ c.beginPath();
+ c.restore();
+ };
+
+ return drawOutline;
+}
+
+var CanvasExtraState = (function CanvasExtraStateClosure() {
+ function CanvasExtraState(old) {
+ // Are soft masks and alpha values shapes or opacities?
+ this.alphaIsShape = false;
+ this.fontSize = 0;
+ this.fontSizeScale = 1;
+ this.textMatrix = IDENTITY_MATRIX;
+ this.textMatrixScale = 1;
+ this.fontMatrix = FONT_IDENTITY_MATRIX;
+ this.leading = 0;
+ // Current point (in user coordinates)
+ this.x = 0;
+ this.y = 0;
+ // Start of text line (in text coordinates)
+ this.lineX = 0;
+ this.lineY = 0;
+ // Character and word spacing
+ this.charSpacing = 0;
+ this.wordSpacing = 0;
+ this.textHScale = 1;
+ this.textRenderingMode = TextRenderingMode.FILL;
+ this.textRise = 0;
+ // Default fore and background colors
+ this.fillColor = '#000000';
+ this.strokeColor = '#000000';
+ this.patternFill = false;
+ // Note: fill alpha applies to all non-stroking operations
+ this.fillAlpha = 1;
+ this.strokeAlpha = 1;
+ this.lineWidth = 1;
+ this.activeSMask = null;
+ this.resumeSMaskCtx = null; // nonclonable field (see the save method below)
+
+ this.old = old;
+ }
+
+ CanvasExtraState.prototype = {
+ clone: function CanvasExtraState_clone() {
+ return Object.create(this);
+ },
+ setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
+ this.x = x;
+ this.y = y;
+ }
+ };
+ return CanvasExtraState;
+})();
+
+var CanvasGraphics = (function CanvasGraphicsClosure() {
+ // Defines the time the executeOperatorList is going to be executing
+ // before it stops and shedules a continue of execution.
+ var EXECUTION_TIME = 15;
+ // Defines the number of steps before checking the execution time
+ var EXECUTION_STEPS = 10;
+
+ function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) {
+ this.ctx = canvasCtx;
+ this.current = new CanvasExtraState();
+ this.stateStack = [];
+ this.pendingClip = null;
+ this.pendingEOFill = false;
+ this.res = null;
+ this.xobjs = null;
+ this.commonObjs = commonObjs;
+ this.objs = objs;
+ this.imageLayer = imageLayer;
+ this.groupStack = [];
+ this.processingType3 = null;
+ // Patterns are painted relative to the initial page/form transform, see pdf
+ // spec 8.7.2 NOTE 1.
+ this.baseTransform = null;
+ this.baseTransformStack = [];
+ this.groupLevel = 0;
+ this.smaskStack = [];
+ this.smaskCounter = 0;
+ this.tempSMask = null;
+ this.cachedCanvases = new CachedCanvases();
+ if (canvasCtx) {
+ // NOTE: if mozCurrentTransform is polyfilled, then the current state of
+ // the transformation must already be set in canvasCtx._transformMatrix.
+ addContextCurrentTransform(canvasCtx);
+ }
+ this.cachedGetSinglePixelWidth = null;
+ }
+
+ function putBinaryImageData(ctx, imgData) {
+ if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
+ ctx.putImageData(imgData, 0, 0);
+ return;
+ }
+
+ // Put the image data to the canvas in chunks, rather than putting the
+ // whole image at once. This saves JS memory, because the ImageData object
+ // is smaller. It also possibly saves C++ memory within the implementation
+ // of putImageData(). (E.g. in Firefox we make two short-lived copies of
+ // the data passed to putImageData()). |n| shouldn't be too small, however,
+ // because too many putImageData() calls will slow things down.
+ //
+ // Note: as written, if the last chunk is partial, the putImageData() call
+ // will (conceptually) put pixels past the bounds of the canvas. But
+ // that's ok; any such pixels are ignored.
+
+ var height = imgData.height, width = imgData.width;
+ var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+ var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+ var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+
+ var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+ var srcPos = 0, destPos;
+ var src = imgData.data;
+ var dest = chunkImgData.data;
+ var i, j, thisChunkHeight, elemsInThisChunk;
+
+ // There are multiple forms in which the pixel data can be passed, and
+ // imgData.kind tells us which one this is.
+ if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
+ // Grayscale, 1 bit per pixel (i.e. black-and-white).
+ var srcLength = src.byteLength;
+ var dest32 = HasCanvasTypedArraysCached.value ?
+ new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
+ var dest32DataLength = dest32.length;
+ var fullSrcDiff = (width + 7) >> 3;
+ var white = 0xFFFFFFFF;
+ var black = (IsLittleEndianCached.value ||
+ !HasCanvasTypedArraysCached.value) ? 0xFF000000 : 0x000000FF;
+ for (i = 0; i < totalChunks; i++) {
+ thisChunkHeight =
+ (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+ destPos = 0;
+ for (j = 0; j < thisChunkHeight; j++) {
+ var srcDiff = srcLength - srcPos;
+ var k = 0;
+ var kEnd = (srcDiff > fullSrcDiff) ? width : srcDiff * 8 - 7;
+ var kEndUnrolled = kEnd & ~7;
+ var mask = 0;
+ var srcByte = 0;
+ for (; k < kEndUnrolled; k += 8) {
+ srcByte = src[srcPos++];
+ dest32[destPos++] = (srcByte & 128) ? white : black;
+ dest32[destPos++] = (srcByte & 64) ? white : black;
+ dest32[destPos++] = (srcByte & 32) ? white : black;
+ dest32[destPos++] = (srcByte & 16) ? white : black;
+ dest32[destPos++] = (srcByte & 8) ? white : black;
+ dest32[destPos++] = (srcByte & 4) ? white : black;
+ dest32[destPos++] = (srcByte & 2) ? white : black;
+ dest32[destPos++] = (srcByte & 1) ? white : black;
+ }
+ for (; k < kEnd; k++) {
+ if (mask === 0) {
+ srcByte = src[srcPos++];
+ mask = 128;
+ }
+
+ dest32[destPos++] = (srcByte & mask) ? white : black;
+ mask >>= 1;
+ }
+ }
+ // We ran out of input. Make all remaining pixels transparent.
+ while (destPos < dest32DataLength) {
+ dest32[destPos++] = 0;
+ }
+
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+ } else if (imgData.kind === ImageKind.RGBA_32BPP) {
+ // RGBA, 32-bits per pixel.
+
+ j = 0;
+ elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
+ for (i = 0; i < fullChunks; i++) {
+ dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+ srcPos += elemsInThisChunk;
+
+ ctx.putImageData(chunkImgData, 0, j);
+ j += FULL_CHUNK_HEIGHT;
+ }
+ if (i < totalChunks) {
+ elemsInThisChunk = width * partialChunkHeight * 4;
+ dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+ ctx.putImageData(chunkImgData, 0, j);
+ }
+
+ } else if (imgData.kind === ImageKind.RGB_24BPP) {
+ // RGB, 24-bits per pixel.
+ thisChunkHeight = FULL_CHUNK_HEIGHT;
+ elemsInThisChunk = width * thisChunkHeight;
+ for (i = 0; i < totalChunks; i++) {
+ if (i >= fullChunks) {
+ thisChunkHeight = partialChunkHeight;
+ elemsInThisChunk = width * thisChunkHeight;
+ }
+
+ destPos = 0;
+ for (j = elemsInThisChunk; j--;) {
+ dest[destPos++] = src[srcPos++];
+ dest[destPos++] = src[srcPos++];
+ dest[destPos++] = src[srcPos++];
+ dest[destPos++] = 255;
+ }
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+ } else {
+ error('bad image kind: ' + imgData.kind);
+ }
+ }
+
+ function putBinaryImageMask(ctx, imgData) {
+ var height = imgData.height, width = imgData.width;
+ var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+ var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+ var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+
+ var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+ var srcPos = 0;
+ var src = imgData.data;
+ var dest = chunkImgData.data;
+
+ for (var i = 0; i < totalChunks; i++) {
+ var thisChunkHeight =
+ (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+
+ // Expand the mask so it can be used by the canvas. Any required
+ // inversion has already been handled.
+ var destPos = 3; // alpha component offset
+ for (var j = 0; j < thisChunkHeight; j++) {
+ var mask = 0;
+ for (var k = 0; k < width; k++) {
+ if (!mask) {
+ var elem = src[srcPos++];
+ mask = 128;
+ }
+ dest[destPos] = (elem & mask) ? 0 : 255;
+ destPos += 4;
+ mask >>= 1;
+ }
+ }
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+ }
+
+ function copyCtxState(sourceCtx, destCtx) {
+ var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha',
+ 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit',
+ 'globalCompositeOperation', 'font'];
+ for (var i = 0, ii = properties.length; i < ii; i++) {
+ var property = properties[i];
+ if (sourceCtx[property] !== undefined) {
+ destCtx[property] = sourceCtx[property];
+ }
+ }
+ if (sourceCtx.setLineDash !== undefined) {
+ destCtx.setLineDash(sourceCtx.getLineDash());
+ destCtx.lineDashOffset = sourceCtx.lineDashOffset;
+ }
+ }
+
+ function composeSMaskBackdrop(bytes, r0, g0, b0) {
+ var length = bytes.length;
+ for (var i = 3; i < length; i += 4) {
+ var alpha = bytes[i];
+ if (alpha === 0) {
+ bytes[i - 3] = r0;
+ bytes[i - 2] = g0;
+ bytes[i - 1] = b0;
+ } else if (alpha < 255) {
+ var alpha_ = 255 - alpha;
+ bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8;
+ bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8;
+ bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8;
+ }
+ }
+ }
+
+ function composeSMaskAlpha(maskData, layerData, transferMap) {
+ var length = maskData.length;
+ var scale = 1 / 255;
+ for (var i = 3; i < length; i += 4) {
+ var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
+ layerData[i] = (layerData[i] * alpha * scale) | 0;
+ }
+ }
+
+ function composeSMaskLuminosity(maskData, layerData, transferMap) {
+ var length = maskData.length;
+ for (var i = 3; i < length; i += 4) {
+ var y = (maskData[i - 3] * 77) + // * 0.3 / 255 * 0x10000
+ (maskData[i - 2] * 152) + // * 0.59 ....
+ (maskData[i - 1] * 28); // * 0.11 ....
+ layerData[i] = transferMap ?
+ (layerData[i] * transferMap[y >> 8]) >> 8 :
+ (layerData[i] * y) >> 16;
+ }
+ }
+
+ function genericComposeSMask(maskCtx, layerCtx, width, height,
+ subtype, backdrop, transferMap) {
+ var hasBackdrop = !!backdrop;
+ var r0 = hasBackdrop ? backdrop[0] : 0;
+ var g0 = hasBackdrop ? backdrop[1] : 0;
+ var b0 = hasBackdrop ? backdrop[2] : 0;
+
+ var composeFn;
+ if (subtype === 'Luminosity') {
+ composeFn = composeSMaskLuminosity;
+ } else {
+ composeFn = composeSMaskAlpha;
+ }
+
+ // processing image in chunks to save memory
+ var PIXELS_TO_PROCESS = 1048576;
+ var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
+ for (var row = 0; row < height; row += chunkSize) {
+ var chunkHeight = Math.min(chunkSize, height - row);
+ var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
+ var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
+
+ if (hasBackdrop) {
+ composeSMaskBackdrop(maskData.data, r0, g0, b0);
+ }
+ composeFn(maskData.data, layerData.data, transferMap);
+
+ maskCtx.putImageData(layerData, 0, row);
+ }
+ }
+
+ function composeSMask(ctx, smask, layerCtx) {
+ var mask = smask.canvas;
+ var maskCtx = smask.context;
+
+ ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY,
+ smask.offsetX, smask.offsetY);
+
+ var backdrop = smask.backdrop || null;
+ if (!smask.transferMap && WebGLUtils.isEnabled) {
+ var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask,
+ {subtype: smask.subtype, backdrop: backdrop});
+ ctx.setTransform(1, 0, 0, 1, 0, 0);
+ ctx.drawImage(composed, smask.offsetX, smask.offsetY);
+ return;
+ }
+ genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height,
+ smask.subtype, backdrop, smask.transferMap);
+ ctx.drawImage(mask, 0, 0);
+ }
+
+ var LINE_CAP_STYLES = ['butt', 'round', 'square'];
+ var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
+ var NORMAL_CLIP = {};
+ var EO_CLIP = {};
+
+ CanvasGraphics.prototype = {
+
+ beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport,
+ transparency) {
+ // For pdfs that use blend modes we have to clear the canvas else certain
+ // blend modes can look wrong since we'd be blending with a white
+ // backdrop. The problem with a transparent backdrop though is we then
+ // don't get sub pixel anti aliasing on text, creating temporary
+ // transparent canvas when we have blend modes.
+ var width = this.ctx.canvas.width;
+ var height = this.ctx.canvas.height;
+
+ this.ctx.save();
+ this.ctx.fillStyle = 'rgb(255, 255, 255)';
+ this.ctx.fillRect(0, 0, width, height);
+ this.ctx.restore();
+
+ if (transparency) {
+ var transparentCanvas = this.cachedCanvases.getCanvas(
+ 'transparent', width, height, true);
+ this.compositeCtx = this.ctx;
+ this.transparentCanvas = transparentCanvas.canvas;
+ this.ctx = transparentCanvas.context;
+ this.ctx.save();
+ // The transform can be applied before rendering, transferring it to
+ // the new canvas.
+ this.ctx.transform.apply(this.ctx,
+ this.compositeCtx.mozCurrentTransform);
+ }
+
+ this.ctx.save();
+ if (transform) {
+ this.ctx.transform.apply(this.ctx, transform);
+ }
+ this.ctx.transform.apply(this.ctx, viewport.transform);
+
+ this.baseTransform = this.ctx.mozCurrentTransform.slice();
+
+ if (this.imageLayer) {
+ this.imageLayer.beginLayout();
+ }
+ },
+
+ executeOperatorList: function CanvasGraphics_executeOperatorList(
+ operatorList,
+ executionStartIdx, continueCallback,
+ stepper) {
+ var argsArray = operatorList.argsArray;
+ var fnArray = operatorList.fnArray;
+ var i = executionStartIdx || 0;
+ var argsArrayLen = argsArray.length;
+
+ // Sometimes the OperatorList to execute is empty.
+ if (argsArrayLen === i) {
+ return i;
+ }
+
+ var chunkOperations = (argsArrayLen - i > EXECUTION_STEPS &&
+ typeof continueCallback === 'function');
+ var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
+ var steps = 0;
+
+ var commonObjs = this.commonObjs;
+ var objs = this.objs;
+ var fnId;
+
+ while (true) {
+ if (stepper !== undefined && i === stepper.nextBreakPoint) {
+ stepper.breakIt(i, continueCallback);
+ return i;
+ }
+
+ fnId = fnArray[i];
+
+ if (fnId !== OPS.dependency) {
+ this[fnId].apply(this, argsArray[i]);
+ } else {
+ var deps = argsArray[i];
+ for (var n = 0, nn = deps.length; n < nn; n++) {
+ var depObjId = deps[n];
+ var common = depObjId[0] === 'g' && depObjId[1] === '_';
+ var objsPool = common ? commonObjs : objs;
+
+ // If the promise isn't resolved yet, add the continueCallback
+ // to the promise and bail out.
+ if (!objsPool.isResolved(depObjId)) {
+ objsPool.get(depObjId, continueCallback);
+ return i;
+ }
+ }
+ }
+
+ i++;
+
+ // If the entire operatorList was executed, stop as were done.
+ if (i === argsArrayLen) {
+ return i;
+ }
+
+ // If the execution took longer then a certain amount of time and
+ // `continueCallback` is specified, interrupt the execution.
+ if (chunkOperations && ++steps > EXECUTION_STEPS) {
+ if (Date.now() > endTime) {
+ continueCallback();
+ return i;
+ }
+ steps = 0;
+ }
+
+ // If the operatorList isn't executed completely yet OR the execution
+ // time was short enough, do another execution round.
+ }
+ },
+
+ endDrawing: function CanvasGraphics_endDrawing() {
+ // Finishing all opened operations such as SMask group painting.
+ if (this.current.activeSMask !== null) {
+ this.endSMaskGroup();
+ }
+
+ this.ctx.restore();
+
+ if (this.transparentCanvas) {
+ this.ctx = this.compositeCtx;
+ this.ctx.save();
+ this.ctx.setTransform(1, 0, 0, 1, 0, 0); // Avoid apply transform twice
+ this.ctx.drawImage(this.transparentCanvas, 0, 0);
+ this.ctx.restore();
+ this.transparentCanvas = null;
+ }
+
+ this.cachedCanvases.clear();
+ WebGLUtils.clear();
+
+ if (this.imageLayer) {
+ this.imageLayer.endLayout();
+ }
+ },
+
+ // Graphics state
+ setLineWidth: function CanvasGraphics_setLineWidth(width) {
+ this.current.lineWidth = width;
+ this.ctx.lineWidth = width;
+ },
+ setLineCap: function CanvasGraphics_setLineCap(style) {
+ this.ctx.lineCap = LINE_CAP_STYLES[style];
+ },
+ setLineJoin: function CanvasGraphics_setLineJoin(style) {
+ this.ctx.lineJoin = LINE_JOIN_STYLES[style];
+ },
+ setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
+ this.ctx.miterLimit = limit;
+ },
+ setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
+ var ctx = this.ctx;
+ if (ctx.setLineDash !== undefined) {
+ ctx.setLineDash(dashArray);
+ ctx.lineDashOffset = dashPhase;
+ }
+ },
+ setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {
+ // Maybe if we one day fully support color spaces this will be important
+ // for now we can ignore.
+ // TODO set rendering intent?
+ },
+ setFlatness: function CanvasGraphics_setFlatness(flatness) {
+ // There's no way to control this with canvas, but we can safely ignore.
+ // TODO set flatness?
+ },
+ setGState: function CanvasGraphics_setGState(states) {
+ for (var i = 0, ii = states.length; i < ii; i++) {
+ var state = states[i];
+ var key = state[0];
+ var value = state[1];
+
+ switch (key) {
+ case 'LW':
+ this.setLineWidth(value);
+ break;
+ case 'LC':
+ this.setLineCap(value);
+ break;
+ case 'LJ':
+ this.setLineJoin(value);
+ break;
+ case 'ML':
+ this.setMiterLimit(value);
+ break;
+ case 'D':
+ this.setDash(value[0], value[1]);
+ break;
+ case 'RI':
+ this.setRenderingIntent(value);
+ break;
+ case 'FL':
+ this.setFlatness(value);
+ break;
+ case 'Font':
+ this.setFont(value[0], value[1]);
+ break;
+ case 'CA':
+ this.current.strokeAlpha = state[1];
+ break;
+ case 'ca':
+ this.current.fillAlpha = state[1];
+ this.ctx.globalAlpha = state[1];
+ break;
+ case 'BM':
+ if (value && value.name && (value.name !== 'Normal')) {
+ var mode = value.name.replace(/([A-Z])/g,
+ function(c) {
+ return '-' + c.toLowerCase();
+ }
+ ).substring(1);
+ this.ctx.globalCompositeOperation = mode;
+ if (this.ctx.globalCompositeOperation !== mode) {
+ warn('globalCompositeOperation "' + mode +
+ '" is not supported');
+ }
+ } else {
+ this.ctx.globalCompositeOperation = 'source-over';
+ }
+ break;
+ case 'SMask':
+ if (this.current.activeSMask) {
+ // If SMask is currrenly used, it needs to be suspended or
+ // finished. Suspend only makes sense when at least one save()
+ // was performed and state needs to be reverted on restore().
+ if (this.stateStack.length > 0 &&
+ (this.stateStack[this.stateStack.length - 1].activeSMask ===
+ this.current.activeSMask)) {
+ this.suspendSMaskGroup();
+ } else {
+ this.endSMaskGroup();
+ }
+ }
+ this.current.activeSMask = value ? this.tempSMask : null;
+ if (this.current.activeSMask) {
+ this.beginSMaskGroup();
+ }
+ this.tempSMask = null;
+ break;
+ }
+ }
+ },
+ beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
+
+ var activeSMask = this.current.activeSMask;
+ var drawnWidth = activeSMask.canvas.width;
+ var drawnHeight = activeSMask.canvas.height;
+ var cacheId = 'smaskGroupAt' + this.groupLevel;
+ var scratchCanvas = this.cachedCanvases.getCanvas(
+ cacheId, drawnWidth, drawnHeight, true);
+
+ var currentCtx = this.ctx;
+ var currentTransform = currentCtx.mozCurrentTransform;
+ this.ctx.save();
+
+ var groupCtx = scratchCanvas.context;
+ groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
+ groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
+ groupCtx.transform.apply(groupCtx, currentTransform);
+
+ activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
+
+ copyCtxState(currentCtx, groupCtx);
+ this.ctx = groupCtx;
+ this.setGState([
+ ['BM', 'Normal'],
+ ['ca', 1],
+ ['CA', 1]
+ ]);
+ this.groupStack.push(currentCtx);
+ this.groupLevel++;
+ },
+ suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+ // Similar to endSMaskGroup, the intermediate canvas has to be composed
+ // and future ctx state restored.
+ var groupCtx = this.ctx;
+ this.groupLevel--;
+ this.ctx = this.groupStack.pop();
+
+ composeSMask(this.ctx, this.current.activeSMask, groupCtx);
+ this.ctx.restore();
+ this.ctx.save(); // save is needed since SMask will be resumed.
+ copyCtxState(groupCtx, this.ctx);
+
+ // Saving state for resuming.
+ this.current.resumeSMaskCtx = groupCtx;
+ // Transform was changed in the SMask canvas, reflecting this change on
+ // this.ctx.
+ var deltaTransform = Util.transform(
+ this.current.activeSMask.startTransformInverse,
+ groupCtx.mozCurrentTransform);
+ this.ctx.transform.apply(this.ctx, deltaTransform);
+
+ // SMask was composed, the results at the groupCtx can be cleared.
+ groupCtx.save();
+ groupCtx.setTransform(1, 0, 0, 1, 0, 0);
+ groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
+ groupCtx.restore();
+ },
+ resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+ // Resuming state saved by suspendSMaskGroup. We don't need to restore
+ // any groupCtx state since restore() command (the only caller) will do
+ // that for us. See also beginSMaskGroup.
+ var groupCtx = this.current.resumeSMaskCtx;
+ var currentCtx = this.ctx;
+ this.ctx = groupCtx;
+ this.groupStack.push(currentCtx);
+ this.groupLevel++;
+ },
+ endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+ var groupCtx = this.ctx;
+ this.groupLevel--;
+ this.ctx = this.groupStack.pop();
+
+ composeSMask(this.ctx, this.current.activeSMask, groupCtx);
+ this.ctx.restore();
+ copyCtxState(groupCtx, this.ctx);
+ // Transform was changed in the SMask canvas, reflecting this change on
+ // this.ctx.
+ var deltaTransform = Util.transform(
+ this.current.activeSMask.startTransformInverse,
+ groupCtx.mozCurrentTransform);
+ this.ctx.transform.apply(this.ctx, deltaTransform);
+ },
+ save: function CanvasGraphics_save() {
+ this.ctx.save();
+ var old = this.current;
+ this.stateStack.push(old);
+ this.current = old.clone();
+ this.current.resumeSMaskCtx = null;
+ },
+ restore: function CanvasGraphics_restore() {
+ // SMask was suspended, we just need to resume it.
+ if (this.current.resumeSMaskCtx) {
+ this.resumeSMaskGroup();
+ }
+ // SMask has to be finished once there is no states that are using the
+ // same SMask.
+ if (this.current.activeSMask !== null && (this.stateStack.length === 0 ||
+ this.stateStack[this.stateStack.length - 1].activeSMask !==
+ this.current.activeSMask)) {
+ this.endSMaskGroup();
+ }
+
+ if (this.stateStack.length !== 0) {
+ this.current = this.stateStack.pop();
+ this.ctx.restore();
+
+ // Ensure that the clipping path is reset (fixes issue6413.pdf).
+ this.pendingClip = null;
+
+ this.cachedGetSinglePixelWidth = null;
+ }
+ },
+ transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
+ this.ctx.transform(a, b, c, d, e, f);
+
+ this.cachedGetSinglePixelWidth = null;
+ },
+
+ // Path
+ constructPath: function CanvasGraphics_constructPath(ops, args) {
+ var ctx = this.ctx;
+ var current = this.current;
+ var x = current.x, y = current.y;
+ for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
+ switch (ops[i] | 0) {
+ case OPS.rectangle:
+ x = args[j++];
+ y = args[j++];
+ var width = args[j++];
+ var height = args[j++];
+ if (width === 0) {
+ width = this.getSinglePixelWidth();
+ }
+ if (height === 0) {
+ height = this.getSinglePixelWidth();
+ }
+ var xw = x + width;
+ var yh = y + height;
+ this.ctx.moveTo(x, y);
+ this.ctx.lineTo(xw, y);
+ this.ctx.lineTo(xw, yh);
+ this.ctx.lineTo(x, yh);
+ this.ctx.lineTo(x, y);
+ this.ctx.closePath();
+ break;
+ case OPS.moveTo:
+ x = args[j++];
+ y = args[j++];
+ ctx.moveTo(x, y);
+ break;
+ case OPS.lineTo:
+ x = args[j++];
+ y = args[j++];
+ ctx.lineTo(x, y);
+ break;
+ case OPS.curveTo:
+ x = args[j + 4];
+ y = args[j + 5];
+ ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3],
+ x, y);
+ j += 6;
+ break;
+ case OPS.curveTo2:
+ ctx.bezierCurveTo(x, y, args[j], args[j + 1],
+ args[j + 2], args[j + 3]);
+ x = args[j + 2];
+ y = args[j + 3];
+ j += 4;
+ break;
+ case OPS.curveTo3:
+ x = args[j + 2];
+ y = args[j + 3];
+ ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
+ j += 4;
+ break;
+ case OPS.closePath:
+ ctx.closePath();
+ break;
+ }
+ }
+ current.setCurrentPoint(x, y);
+ },
+ closePath: function CanvasGraphics_closePath() {
+ this.ctx.closePath();
+ },
+ stroke: function CanvasGraphics_stroke(consumePath) {
+ consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
+ var ctx = this.ctx;
+ var strokeColor = this.current.strokeColor;
+ // Prevent drawing too thin lines by enforcing a minimum line width.
+ ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR,
+ this.current.lineWidth);
+ // For stroke we want to temporarily change the global alpha to the
+ // stroking alpha.
+ ctx.globalAlpha = this.current.strokeAlpha;
+ if (strokeColor && strokeColor.hasOwnProperty('type') &&
+ strokeColor.type === 'Pattern') {
+ // for patterns, we transform to pattern space, calculate
+ // the pattern, call stroke, and restore to user space
+ ctx.save();
+ ctx.strokeStyle = strokeColor.getPattern(ctx, this);
+ ctx.stroke();
+ ctx.restore();
+ } else {
+ ctx.stroke();
+ }
+ if (consumePath) {
+ this.consumePath();
+ }
+ // Restore the global alpha to the fill alpha
+ ctx.globalAlpha = this.current.fillAlpha;
+ },
+ closeStroke: function CanvasGraphics_closeStroke() {
+ this.closePath();
+ this.stroke();
+ },
+ fill: function CanvasGraphics_fill(consumePath) {
+ consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
+ var ctx = this.ctx;
+ var fillColor = this.current.fillColor;
+ var isPatternFill = this.current.patternFill;
+ var needRestore = false;
+
+ if (isPatternFill) {
+ ctx.save();
+ if (this.baseTransform) {
+ ctx.setTransform.apply(ctx, this.baseTransform);
+ }
+ ctx.fillStyle = fillColor.getPattern(ctx, this);
+ needRestore = true;
+ }
+
+ if (this.pendingEOFill) {
+ if (ctx.mozFillRule !== undefined) {
+ ctx.mozFillRule = 'evenodd';
+ ctx.fill();
+ ctx.mozFillRule = 'nonzero';
+ } else {
+ ctx.fill('evenodd');
+ }
+ this.pendingEOFill = false;
+ } else {
+ ctx.fill();
+ }
+
+ if (needRestore) {
+ ctx.restore();
+ }
+ if (consumePath) {
+ this.consumePath();
+ }
+ },
+ eoFill: function CanvasGraphics_eoFill() {
+ this.pendingEOFill = true;
+ this.fill();
+ },
+ fillStroke: function CanvasGraphics_fillStroke() {
+ this.fill(false);
+ this.stroke(false);
+
+ this.consumePath();
+ },
+ eoFillStroke: function CanvasGraphics_eoFillStroke() {
+ this.pendingEOFill = true;
+ this.fillStroke();
+ },
+ closeFillStroke: function CanvasGraphics_closeFillStroke() {
+ this.closePath();
+ this.fillStroke();
+ },
+ closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
+ this.pendingEOFill = true;
+ this.closePath();
+ this.fillStroke();
+ },
+ endPath: function CanvasGraphics_endPath() {
+ this.consumePath();
+ },
+
+ // Clipping
+ clip: function CanvasGraphics_clip() {
+ this.pendingClip = NORMAL_CLIP;
+ },
+ eoClip: function CanvasGraphics_eoClip() {
+ this.pendingClip = EO_CLIP;
+ },
+
+ // Text
+ beginText: function CanvasGraphics_beginText() {
+ this.current.textMatrix = IDENTITY_MATRIX;
+ this.current.textMatrixScale = 1;
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+ },
+ endText: function CanvasGraphics_endText() {
+ var paths = this.pendingTextPaths;
+ var ctx = this.ctx;
+ if (paths === undefined) {
+ ctx.beginPath();
+ return;
+ }
+
+ ctx.save();
+ ctx.beginPath();
+ for (var i = 0; i < paths.length; i++) {
+ var path = paths[i];
+ ctx.setTransform.apply(ctx, path.transform);
+ ctx.translate(path.x, path.y);
+ path.addToPath(ctx, path.fontSize);
+ }
+ ctx.restore();
+ ctx.clip();
+ ctx.beginPath();
+ delete this.pendingTextPaths;
+ },
+ setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
+ this.current.charSpacing = spacing;
+ },
+ setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
+ this.current.wordSpacing = spacing;
+ },
+ setHScale: function CanvasGraphics_setHScale(scale) {
+ this.current.textHScale = scale / 100;
+ },
+ setLeading: function CanvasGraphics_setLeading(leading) {
+ this.current.leading = -leading;
+ },
+ setFont: function CanvasGraphics_setFont(fontRefName, size) {
+ var fontObj = this.commonObjs.get(fontRefName);
+ var current = this.current;
+
+ if (!fontObj) {
+ error('Can\'t find font for ' + fontRefName);
+ }
+
+ current.fontMatrix = (fontObj.fontMatrix ?
+ fontObj.fontMatrix : FONT_IDENTITY_MATRIX);
+
+ // A valid matrix needs all main diagonal elements to be non-zero
+ // This also ensures we bypass FF bugzilla bug #719844.
+ if (current.fontMatrix[0] === 0 ||
+ current.fontMatrix[3] === 0) {
+ warn('Invalid font matrix for font ' + fontRefName);
+ }
+
+ // The spec for Tf (setFont) says that 'size' specifies the font 'scale',
+ // and in some docs this can be negative (inverted x-y axes).
+ if (size < 0) {
+ size = -size;
+ current.fontDirection = -1;
+ } else {
+ current.fontDirection = 1;
+ }
+
+ this.current.font = fontObj;
+ this.current.fontSize = size;
+
+ if (fontObj.isType3Font) {
+ return; // we don't need ctx.font for Type3 fonts
+ }
+
+ var name = fontObj.loadedName || 'sans-serif';
+ var bold = fontObj.black ? (fontObj.bold ? '900' : 'bold') :
+ (fontObj.bold ? 'bold' : 'normal');
+
+ var italic = fontObj.italic ? 'italic' : 'normal';
+ var typeface = '"' + name + '", ' + fontObj.fallbackName;
+
+ // Some font backends cannot handle fonts below certain size.
+ // Keeping the font at minimal size and using the fontSizeScale to change
+ // the current transformation matrix before the fillText/strokeText.
+ // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227
+ var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE :
+ size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
+ this.current.fontSizeScale = size / browserFontSize;
+
+ var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
+ this.ctx.font = rule;
+ },
+ setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
+ this.current.textRenderingMode = mode;
+ },
+ setTextRise: function CanvasGraphics_setTextRise(rise) {
+ this.current.textRise = rise;
+ },
+ moveText: function CanvasGraphics_moveText(x, y) {
+ this.current.x = this.current.lineX += x;
+ this.current.y = this.current.lineY += y;
+ },
+ setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
+ this.setLeading(-y);
+ this.moveText(x, y);
+ },
+ setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
+ this.current.textMatrix = [a, b, c, d, e, f];
+ this.current.textMatrixScale = Math.sqrt(a * a + b * b);
+
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+ },
+ nextLine: function CanvasGraphics_nextLine() {
+ this.moveText(0, this.current.leading);
+ },
+
+ paintChar: function CanvasGraphics_paintChar(character, x, y) {
+ var ctx = this.ctx;
+ var current = this.current;
+ var font = current.font;
+ var textRenderingMode = current.textRenderingMode;
+ var fontSize = current.fontSize / current.fontSizeScale;
+ var fillStrokeMode = textRenderingMode &
+ TextRenderingMode.FILL_STROKE_MASK;
+ var isAddToPathSet = !!(textRenderingMode &
+ TextRenderingMode.ADD_TO_PATH_FLAG);
+
+ var addToPath;
+ if (font.disableFontFace || isAddToPathSet) {
+ addToPath = font.getPathGenerator(this.commonObjs, character);
+ }
+
+ if (font.disableFontFace) {
+ ctx.save();
+ ctx.translate(x, y);
+ ctx.beginPath();
+ addToPath(ctx, fontSize);
+ if (fillStrokeMode === TextRenderingMode.FILL ||
+ fillStrokeMode === TextRenderingMode.FILL_STROKE) {
+ ctx.fill();
+ }
+ if (fillStrokeMode === TextRenderingMode.STROKE ||
+ fillStrokeMode === TextRenderingMode.FILL_STROKE) {
+ ctx.stroke();
+ }
+ ctx.restore();
+ } else {
+ if (fillStrokeMode === TextRenderingMode.FILL ||
+ fillStrokeMode === TextRenderingMode.FILL_STROKE) {
+ ctx.fillText(character, x, y);
+ }
+ if (fillStrokeMode === TextRenderingMode.STROKE ||
+ fillStrokeMode === TextRenderingMode.FILL_STROKE) {
+ ctx.strokeText(character, x, y);
+ }
+ }
+
+ if (isAddToPathSet) {
+ var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
+ paths.push({
+ transform: ctx.mozCurrentTransform,
+ x: x,
+ y: y,
+ fontSize: fontSize,
+ addToPath: addToPath
+ });
+ }
+ },
+
+ get isFontSubpixelAAEnabled() {
+ // Checks if anti-aliasing is enabled when scaled text is painted.
+ // On Windows GDI scaled fonts looks bad.
+ var ctx = document.createElement('canvas').getContext('2d');
+ ctx.scale(1.5, 1);
+ ctx.fillText('I', 0, 10);
+ var data = ctx.getImageData(0, 0, 10, 10).data;
+ var enabled = false;
+ for (var i = 3; i < data.length; i += 4) {
+ if (data[i] > 0 && data[i] < 255) {
+ enabled = true;
+ break;
+ }
+ }
+ return shadow(this, 'isFontSubpixelAAEnabled', enabled);
+ },
+
+ showText: function CanvasGraphics_showText(glyphs) {
+ var current = this.current;
+ var font = current.font;
+ if (font.isType3Font) {
+ return this.showType3Text(glyphs);
+ }
+
+ var fontSize = current.fontSize;
+ if (fontSize === 0) {
+ return;
+ }
+
+ var ctx = this.ctx;
+ var fontSizeScale = current.fontSizeScale;
+ var charSpacing = current.charSpacing;
+ var wordSpacing = current.wordSpacing;
+ var fontDirection = current.fontDirection;
+ var textHScale = current.textHScale * fontDirection;
+ var glyphsLength = glyphs.length;
+ var vertical = font.vertical;
+ var spacingDir = vertical ? 1 : -1;
+ var defaultVMetrics = font.defaultVMetrics;
+ var widthAdvanceScale = fontSize * current.fontMatrix[0];
+
+ var simpleFillText =
+ current.textRenderingMode === TextRenderingMode.FILL &&
+ !font.disableFontFace;
+
+ ctx.save();
+ ctx.transform.apply(ctx, current.textMatrix);
+ ctx.translate(current.x, current.y + current.textRise);
+
+ if (current.patternFill) {
+ // TODO: Some shading patterns are not applied correctly to text,
+ // e.g. issues 3988 and 5432, and ShowText-ShadingPattern.pdf.
+ ctx.fillStyle = current.fillColor.getPattern(ctx, this);
+ }
+
+ if (fontDirection > 0) {
+ ctx.scale(textHScale, -1);
+ } else {
+ ctx.scale(textHScale, 1);
+ }
+
+ var lineWidth = current.lineWidth;
+ var scale = current.textMatrixScale;
+ if (scale === 0 || lineWidth === 0) {
+ var fillStrokeMode = current.textRenderingMode &
+ TextRenderingMode.FILL_STROKE_MASK;
+ if (fillStrokeMode === TextRenderingMode.STROKE ||
+ fillStrokeMode === TextRenderingMode.FILL_STROKE) {
+ this.cachedGetSinglePixelWidth = null;
+ lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
+ }
+ } else {
+ lineWidth /= scale;
+ }
+
+ if (fontSizeScale !== 1.0) {
+ ctx.scale(fontSizeScale, fontSizeScale);
+ lineWidth /= fontSizeScale;
+ }
+
+ ctx.lineWidth = lineWidth;
+
+ var x = 0, i;
+ for (i = 0; i < glyphsLength; ++i) {
+ var glyph = glyphs[i];
+ if (isNum(glyph)) {
+ x += spacingDir * glyph * fontSize / 1000;
+ continue;
+ }
+
+ var restoreNeeded = false;
+ var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+ var character = glyph.fontChar;
+ var accent = glyph.accent;
+ var scaledX, scaledY, scaledAccentX, scaledAccentY;
+ var width = glyph.width;
+ if (vertical) {
+ var vmetric, vx, vy;
+ vmetric = glyph.vmetric || defaultVMetrics;
+ vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+ vx = -vx * widthAdvanceScale;
+ vy = vmetric[2] * widthAdvanceScale;
+
+ width = vmetric ? -vmetric[0] : width;
+ scaledX = vx / fontSizeScale;
+ scaledY = (x + vy) / fontSizeScale;
+ } else {
+ scaledX = x / fontSizeScale;
+ scaledY = 0;
+ }
+
+ if (font.remeasure && width > 0) {
+ // Some standard fonts may not have the exact width: rescale per
+ // character if measured width is greater than expected glyph width
+ // and subpixel-aa is enabled, otherwise just center the glyph.
+ var measuredWidth = ctx.measureText(character).width * 1000 /
+ fontSize * fontSizeScale;
+ if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
+ var characterScaleX = width / measuredWidth;
+ restoreNeeded = true;
+ ctx.save();
+ ctx.scale(characterScaleX, 1);
+ scaledX /= characterScaleX;
+ } else if (width !== measuredWidth) {
+ scaledX += (width - measuredWidth) / 2000 *
+ fontSize / fontSizeScale;
+ }
+ }
+
+ // Only attempt to draw the glyph if it is actually in the embedded font
+ // file or if there isn't a font file so the fallback font is shown.
+ if (glyph.isInFont || font.missingFile) {
+ if (simpleFillText && !accent) {
+ // common case
+ ctx.fillText(character, scaledX, scaledY);
+ } else {
+ this.paintChar(character, scaledX, scaledY);
+ if (accent) {
+ scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
+ scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
+ this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
+ }
+ }
+ }
+
+ var charWidth = width * widthAdvanceScale + spacing * fontDirection;
+ x += charWidth;
+
+ if (restoreNeeded) {
+ ctx.restore();
+ }
+ }
+ if (vertical) {
+ current.y -= x * textHScale;
+ } else {
+ current.x += x * textHScale;
+ }
+ ctx.restore();
+ },
+
+ showType3Text: function CanvasGraphics_showType3Text(glyphs) {
+ // Type3 fonts - each glyph is a "mini-PDF"
+ var ctx = this.ctx;
+ var current = this.current;
+ var font = current.font;
+ var fontSize = current.fontSize;
+ var fontDirection = current.fontDirection;
+ var spacingDir = font.vertical ? 1 : -1;
+ var charSpacing = current.charSpacing;
+ var wordSpacing = current.wordSpacing;
+ var textHScale = current.textHScale * fontDirection;
+ var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
+ var glyphsLength = glyphs.length;
+ var isTextInvisible =
+ current.textRenderingMode === TextRenderingMode.INVISIBLE;
+ var i, glyph, width, spacingLength;
+
+ if (isTextInvisible || fontSize === 0) {
+ return;
+ }
+ this.cachedGetSinglePixelWidth = null;
+
+ ctx.save();
+ ctx.transform.apply(ctx, current.textMatrix);
+ ctx.translate(current.x, current.y);
+
+ ctx.scale(textHScale, fontDirection);
+
+ for (i = 0; i < glyphsLength; ++i) {
+ glyph = glyphs[i];
+ if (isNum(glyph)) {
+ spacingLength = spacingDir * glyph * fontSize / 1000;
+ this.ctx.translate(spacingLength, 0);
+ current.x += spacingLength * textHScale;
+ continue;
+ }
+
+ var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+ var operatorList = font.charProcOperatorList[glyph.operatorListId];
+ if (!operatorList) {
+ warn('Type3 character \"' + glyph.operatorListId +
+ '\" is not available');
+ continue;
+ }
+ this.processingType3 = glyph;
+ this.save();
+ ctx.scale(fontSize, fontSize);
+ ctx.transform.apply(ctx, fontMatrix);
+ this.executeOperatorList(operatorList);
+ this.restore();
+
+ var transformed = Util.applyTransform([glyph.width, 0], fontMatrix);
+ width = transformed[0] * fontSize + spacing;
+
+ ctx.translate(width, 0);
+ current.x += width * textHScale;
+ }
+ ctx.restore();
+ this.processingType3 = null;
+ },
+
+ // Type3 fonts
+ setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {
+ // We can safely ignore this since the width should be the same
+ // as the width in the Widths array.
+ },
+ setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth,
+ yWidth,
+ llx,
+ lly,
+ urx,
+ ury) {
+ // TODO According to the spec we're also suppose to ignore any operators
+ // that set color or include images while processing this type3 font.
+ this.ctx.rect(llx, lly, urx - llx, ury - lly);
+ this.clip();
+ this.endPath();
+ },
+
+ // Color
+ getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
+ var pattern;
+ if (IR[0] === 'TilingPattern') {
+ var color = IR[1];
+ var baseTransform = this.baseTransform ||
+ this.ctx.mozCurrentTransform.slice();
+ var self = this;
+ var canvasGraphicsFactory = {
+ createCanvasGraphics: function (ctx) {
+ return new CanvasGraphics(ctx, self.commonObjs, self.objs);
+ }
+ };
+ pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory,
+ baseTransform);
+ } else {
+ pattern = getShadingPatternFromIR(IR);
+ }
+ return pattern;
+ },
+ setStrokeColorN: function CanvasGraphics_setStrokeColorN(/*...*/) {
+ this.current.strokeColor = this.getColorN_Pattern(arguments);
+ },
+ setFillColorN: function CanvasGraphics_setFillColorN(/*...*/) {
+ this.current.fillColor = this.getColorN_Pattern(arguments);
+ this.current.patternFill = true;
+ },
+ setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
+ var color = Util.makeCssRgb(r, g, b);
+ this.ctx.strokeStyle = color;
+ this.current.strokeColor = color;
+ },
+ setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
+ var color = Util.makeCssRgb(r, g, b);
+ this.ctx.fillStyle = color;
+ this.current.fillColor = color;
+ this.current.patternFill = false;
+ },
+
+ shadingFill: function CanvasGraphics_shadingFill(patternIR) {
+ var ctx = this.ctx;
+
+ this.save();
+ var pattern = getShadingPatternFromIR(patternIR);
+ ctx.fillStyle = pattern.getPattern(ctx, this, true);
+
+ var inv = ctx.mozCurrentTransformInverse;
+ if (inv) {
+ var canvas = ctx.canvas;
+ var width = canvas.width;
+ var height = canvas.height;
+
+ var bl = Util.applyTransform([0, 0], inv);
+ var br = Util.applyTransform([0, height], inv);
+ var ul = Util.applyTransform([width, 0], inv);
+ var ur = Util.applyTransform([width, height], inv);
+
+ var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+ var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+ var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+ var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+
+ this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
+ } else {
+ // HACK to draw the gradient onto an infinite rectangle.
+ // PDF gradients are drawn across the entire image while
+ // Canvas only allows gradients to be drawn in a rectangle
+ // The following bug should allow us to remove this.
+ // https://bugzilla.mozilla.org/show_bug.cgi?id=664884
+
+ this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
+ }
+
+ this.restore();
+ },
+
+ // Images
+ beginInlineImage: function CanvasGraphics_beginInlineImage() {
+ error('Should not call beginInlineImage');
+ },
+ beginImageData: function CanvasGraphics_beginImageData() {
+ error('Should not call beginImageData');
+ },
+
+ paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix,
+ bbox) {
+ this.save();
+ this.baseTransformStack.push(this.baseTransform);
+
+ if (isArray(matrix) && 6 === matrix.length) {
+ this.transform.apply(this, matrix);
+ }
+
+ this.baseTransform = this.ctx.mozCurrentTransform;
+
+ if (isArray(bbox) && 4 === bbox.length) {
+ var width = bbox[2] - bbox[0];
+ var height = bbox[3] - bbox[1];
+ this.ctx.rect(bbox[0], bbox[1], width, height);
+ this.clip();
+ this.endPath();
+ }
+ },
+
+ paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
+ this.restore();
+ this.baseTransform = this.baseTransformStack.pop();
+ },
+
+ beginGroup: function CanvasGraphics_beginGroup(group) {
+ this.save();
+ var currentCtx = this.ctx;
+ // TODO non-isolated groups - according to Rik at adobe non-isolated
+ // group results aren't usually that different and they even have tools
+ // that ignore this setting. Notes from Rik on implementing:
+ // - When you encounter an transparency group, create a new canvas with
+ // the dimensions of the bbox
+ // - copy the content from the previous canvas to the new canvas
+ // - draw as usual
+ // - remove the backdrop alpha:
+ // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha
+ // value of your transparency group and 'alphaBackdrop' the alpha of the
+ // backdrop
+ // - remove background color:
+ // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew)
+ if (!group.isolated) {
+ info('TODO: Support non-isolated groups.');
+ }
+
+ // TODO knockout - supposedly possible with the clever use of compositing
+ // modes.
+ if (group.knockout) {
+ warn('Knockout groups not supported.');
+ }
+
+ var currentTransform = currentCtx.mozCurrentTransform;
+ if (group.matrix) {
+ currentCtx.transform.apply(currentCtx, group.matrix);
+ }
+ assert(group.bbox, 'Bounding box is required.');
+
+ // Based on the current transform figure out how big the bounding box
+ // will actually be.
+ var bounds = Util.getAxialAlignedBoundingBox(
+ group.bbox,
+ currentCtx.mozCurrentTransform);
+ // Clip the bounding box to the current canvas.
+ var canvasBounds = [0,
+ 0,
+ currentCtx.canvas.width,
+ currentCtx.canvas.height];
+ bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
+ // Use ceil in case we're between sizes so we don't create canvas that is
+ // too small and make the canvas at least 1x1 pixels.
+ var offsetX = Math.floor(bounds[0]);
+ var offsetY = Math.floor(bounds[1]);
+ var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
+ var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
+ var scaleX = 1, scaleY = 1;
+ if (drawnWidth > MAX_GROUP_SIZE) {
+ scaleX = drawnWidth / MAX_GROUP_SIZE;
+ drawnWidth = MAX_GROUP_SIZE;
+ }
+ if (drawnHeight > MAX_GROUP_SIZE) {
+ scaleY = drawnHeight / MAX_GROUP_SIZE;
+ drawnHeight = MAX_GROUP_SIZE;
+ }
+
+ var cacheId = 'groupAt' + this.groupLevel;
+ if (group.smask) {
+ // Using two cache entries is case if masks are used one after another.
+ cacheId += '_smask_' + ((this.smaskCounter++) % 2);
+ }
+ var scratchCanvas = this.cachedCanvases.getCanvas(
+ cacheId, drawnWidth, drawnHeight, true);
+ var groupCtx = scratchCanvas.context;
+
+ // Since we created a new canvas that is just the size of the bounding box
+ // we have to translate the group ctx.
+ groupCtx.scale(1 / scaleX, 1 / scaleY);
+ groupCtx.translate(-offsetX, -offsetY);
+ groupCtx.transform.apply(groupCtx, currentTransform);
+
+ if (group.smask) {
+ // Saving state and cached mask to be used in setGState.
+ this.smaskStack.push({
+ canvas: scratchCanvas.canvas,
+ context: groupCtx,
+ offsetX: offsetX,
+ offsetY: offsetY,
+ scaleX: scaleX,
+ scaleY: scaleY,
+ subtype: group.smask.subtype,
+ backdrop: group.smask.backdrop,
+ transferMap: group.smask.transferMap || null,
+ startTransformInverse: null, // used during suspend operation
+ });
+ } else {
+ // Setup the current ctx so when the group is popped we draw it at the
+ // right location.
+ currentCtx.setTransform(1, 0, 0, 1, 0, 0);
+ currentCtx.translate(offsetX, offsetY);
+ currentCtx.scale(scaleX, scaleY);
+ }
+ // The transparency group inherits all off the current graphics state
+ // except the blend mode, soft mask, and alpha constants.
+ copyCtxState(currentCtx, groupCtx);
+ this.ctx = groupCtx;
+ this.setGState([
+ ['BM', 'Normal'],
+ ['ca', 1],
+ ['CA', 1]
+ ]);
+ this.groupStack.push(currentCtx);
+ this.groupLevel++;
+
+ // Reseting mask state, masks will be applied on restore of the group.
+ this.current.activeSMask = null;
+ },
+
+ endGroup: function CanvasGraphics_endGroup(group) {
+ this.groupLevel--;
+ var groupCtx = this.ctx;
+ this.ctx = this.groupStack.pop();
+ // Turn off image smoothing to avoid sub pixel interpolation which can
+ // look kind of blurry for some pdfs.
+ if (this.ctx.imageSmoothingEnabled !== undefined) {
+ this.ctx.imageSmoothingEnabled = false;
+ } else {
+ this.ctx.mozImageSmoothingEnabled = false;
+ }
+ if (group.smask) {
+ this.tempSMask = this.smaskStack.pop();
+ } else {
+ this.ctx.drawImage(groupCtx.canvas, 0, 0);
+ }
+ this.restore();
+ },
+
+ beginAnnotations: function CanvasGraphics_beginAnnotations() {
+ this.save();
+ this.current = new CanvasExtraState();
+
+ if (this.baseTransform) {
+ this.ctx.setTransform.apply(this.ctx, this.baseTransform);
+ }
+ },
+
+ endAnnotations: function CanvasGraphics_endAnnotations() {
+ this.restore();
+ },
+
+ beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform,
+ matrix) {
+ this.save();
+
+ if (isArray(rect) && 4 === rect.length) {
+ var width = rect[2] - rect[0];
+ var height = rect[3] - rect[1];
+ this.ctx.rect(rect[0], rect[1], width, height);
+ this.clip();
+ this.endPath();
+ }
+
+ this.transform.apply(this, transform);
+ this.transform.apply(this, matrix);
+ },
+
+ endAnnotation: function CanvasGraphics_endAnnotation() {
+ this.restore();
+ },
+
+ paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
+ var domImage = this.objs.get(objId);
+ if (!domImage) {
+ warn('Dependent image isn\'t ready yet');
+ return;
+ }
+
+ this.save();
+
+ var ctx = this.ctx;
+ // scale the image to the unit square
+ ctx.scale(1 / w, -1 / h);
+
+ ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height,
+ 0, -h, w, h);
+ if (this.imageLayer) {
+ var currentTransform = ctx.mozCurrentTransformInverse;
+ var position = this.getCanvasPosition(0, 0);
+ this.imageLayer.appendImage({
+ objId: objId,
+ left: position[0],
+ top: position[1],
+ width: w / currentTransform[0],
+ height: h / currentTransform[3]
+ });
+ }
+ this.restore();
+ },
+
+ paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
+ var ctx = this.ctx;
+ var width = img.width, height = img.height;
+ var fillColor = this.current.fillColor;
+ var isPatternFill = this.current.patternFill;
+
+ var glyph = this.processingType3;
+
+ if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
+ if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
+ glyph.compiled =
+ compileType3Glyph({data: img.data, width: width, height: height});
+ } else {
+ glyph.compiled = null;
+ }
+ }
+
+ if (glyph && glyph.compiled) {
+ glyph.compiled(ctx);
+ return;
+ }
+
+ var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas',
+ width, height);
+ var maskCtx = maskCanvas.context;
+ maskCtx.save();
+
+ putBinaryImageMask(maskCtx, img);
+
+ maskCtx.globalCompositeOperation = 'source-in';
+
+ maskCtx.fillStyle = isPatternFill ?
+ fillColor.getPattern(maskCtx, this) : fillColor;
+ maskCtx.fillRect(0, 0, width, height);
+
+ maskCtx.restore();
+
+ this.paintInlineImageXObject(maskCanvas.canvas);
+ },
+
+ paintImageMaskXObjectRepeat:
+ function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX,
+ scaleY, positions) {
+ var width = imgData.width;
+ var height = imgData.height;
+ var fillColor = this.current.fillColor;
+ var isPatternFill = this.current.patternFill;
+
+ var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas',
+ width, height);
+ var maskCtx = maskCanvas.context;
+ maskCtx.save();
+
+ putBinaryImageMask(maskCtx, imgData);
+
+ maskCtx.globalCompositeOperation = 'source-in';
+
+ maskCtx.fillStyle = isPatternFill ?
+ fillColor.getPattern(maskCtx, this) : fillColor;
+ maskCtx.fillRect(0, 0, width, height);
+
+ maskCtx.restore();
+
+ var ctx = this.ctx;
+ for (var i = 0, ii = positions.length; i < ii; i += 2) {
+ ctx.save();
+ ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
+ ctx.scale(1, -1);
+ ctx.drawImage(maskCanvas.canvas, 0, 0, width, height,
+ 0, -1, 1, 1);
+ ctx.restore();
+ }
+ },
+
+ paintImageMaskXObjectGroup:
+ function CanvasGraphics_paintImageMaskXObjectGroup(images) {
+ var ctx = this.ctx;
+
+ var fillColor = this.current.fillColor;
+ var isPatternFill = this.current.patternFill;
+ for (var i = 0, ii = images.length; i < ii; i++) {
+ var image = images[i];
+ var width = image.width, height = image.height;
+
+ var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas',
+ width, height);
+ var maskCtx = maskCanvas.context;
+ maskCtx.save();
+
+ putBinaryImageMask(maskCtx, image);
+
+ maskCtx.globalCompositeOperation = 'source-in';
+
+ maskCtx.fillStyle = isPatternFill ?
+ fillColor.getPattern(maskCtx, this) : fillColor;
+ maskCtx.fillRect(0, 0, width, height);
+
+ maskCtx.restore();
+
+ ctx.save();
+ ctx.transform.apply(ctx, image.transform);
+ ctx.scale(1, -1);
+ ctx.drawImage(maskCanvas.canvas, 0, 0, width, height,
+ 0, -1, 1, 1);
+ ctx.restore();
+ }
+ },
+
+ paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
+ var imgData = this.objs.get(objId);
+ if (!imgData) {
+ warn('Dependent image isn\'t ready yet');
+ return;
+ }
+
+ this.paintInlineImageXObject(imgData);
+ },
+
+ paintImageXObjectRepeat:
+ function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY,
+ positions) {
+ var imgData = this.objs.get(objId);
+ if (!imgData) {
+ warn('Dependent image isn\'t ready yet');
+ return;
+ }
+
+ var width = imgData.width;
+ var height = imgData.height;
+ var map = [];
+ for (var i = 0, ii = positions.length; i < ii; i += 2) {
+ map.push({transform: [scaleX, 0, 0, scaleY, positions[i],
+ positions[i + 1]], x: 0, y: 0, w: width, h: height});
+ }
+ this.paintInlineImageXObjectGroup(imgData, map);
+ },
+
+ paintInlineImageXObject:
+ function CanvasGraphics_paintInlineImageXObject(imgData) {
+ var width = imgData.width;
+ var height = imgData.height;
+ var ctx = this.ctx;
+
+ this.save();
+ // scale the image to the unit square
+ ctx.scale(1 / width, -1 / height);
+
+ var currentTransform = ctx.mozCurrentTransformInverse;
+ var a = currentTransform[0], b = currentTransform[1];
+ var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
+ var c = currentTransform[2], d = currentTransform[3];
+ var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
+
+ var imgToPaint, tmpCanvas;
+ // instanceof HTMLElement does not work in jsdom node.js module
+ if (imgData instanceof HTMLElement || !imgData.data) {
+ imgToPaint = imgData;
+ } else {
+ tmpCanvas = this.cachedCanvases.getCanvas('inlineImage',
+ width, height);
+ var tmpCtx = tmpCanvas.context;
+ putBinaryImageData(tmpCtx, imgData);
+ imgToPaint = tmpCanvas.canvas;
+ }
+
+ var paintWidth = width, paintHeight = height;
+ var tmpCanvasId = 'prescale1';
+ // Vertial or horizontal scaling shall not be more than 2 to not loose the
+ // pixels during drawImage operation, painting on the temporary canvas(es)
+ // that are twice smaller in size
+ while ((widthScale > 2 && paintWidth > 1) ||
+ (heightScale > 2 && paintHeight > 1)) {
+ var newWidth = paintWidth, newHeight = paintHeight;
+ if (widthScale > 2 && paintWidth > 1) {
+ newWidth = Math.ceil(paintWidth / 2);
+ widthScale /= paintWidth / newWidth;
+ }
+ if (heightScale > 2 && paintHeight > 1) {
+ newHeight = Math.ceil(paintHeight / 2);
+ heightScale /= paintHeight / newHeight;
+ }
+ tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId,
+ newWidth, newHeight);
+ tmpCtx = tmpCanvas.context;
+ tmpCtx.clearRect(0, 0, newWidth, newHeight);
+ tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight,
+ 0, 0, newWidth, newHeight);
+ imgToPaint = tmpCanvas.canvas;
+ paintWidth = newWidth;
+ paintHeight = newHeight;
+ tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
+ }
+ ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight,
+ 0, -height, width, height);
+
+ if (this.imageLayer) {
+ var position = this.getCanvasPosition(0, -height);
+ this.imageLayer.appendImage({
+ imgData: imgData,
+ left: position[0],
+ top: position[1],
+ width: width / currentTransform[0],
+ height: height / currentTransform[3]
+ });
+ }
+ this.restore();
+ },
+
+ paintInlineImageXObjectGroup:
+ function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
+ var ctx = this.ctx;
+ var w = imgData.width;
+ var h = imgData.height;
+
+ var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
+ var tmpCtx = tmpCanvas.context;
+ putBinaryImageData(tmpCtx, imgData);
+
+ for (var i = 0, ii = map.length; i < ii; i++) {
+ var entry = map[i];
+ ctx.save();
+ ctx.transform.apply(ctx, entry.transform);
+ ctx.scale(1, -1);
+ ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h,
+ 0, -1, 1, 1);
+ if (this.imageLayer) {
+ var position = this.getCanvasPosition(entry.x, entry.y);
+ this.imageLayer.appendImage({
+ imgData: imgData,
+ left: position[0],
+ top: position[1],
+ width: w,
+ height: h
+ });
+ }
+ ctx.restore();
+ }
+ },
+
+ paintSolidColorImageMask:
+ function CanvasGraphics_paintSolidColorImageMask() {
+ this.ctx.fillRect(0, 0, 1, 1);
+ },
+
+ paintXObject: function CanvasGraphics_paintXObject() {
+ warn('Unsupported \'paintXObject\' command.');
+ },
+
+ // Marked content
+
+ markPoint: function CanvasGraphics_markPoint(tag) {
+ // TODO Marked content.
+ },
+ markPointProps: function CanvasGraphics_markPointProps(tag, properties) {
+ // TODO Marked content.
+ },
+ beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
+ // TODO Marked content.
+ },
+ beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(
+ tag, properties) {
+ // TODO Marked content.
+ },
+ endMarkedContent: function CanvasGraphics_endMarkedContent() {
+ // TODO Marked content.
+ },
+
+ // Compatibility
+
+ beginCompat: function CanvasGraphics_beginCompat() {
+ // TODO ignore undefined operators (should we do that anyway?)
+ },
+ endCompat: function CanvasGraphics_endCompat() {
+ // TODO stop ignoring undefined operators
+ },
+
+ // Helper functions
+
+ consumePath: function CanvasGraphics_consumePath() {
+ var ctx = this.ctx;
+ if (this.pendingClip) {
+ if (this.pendingClip === EO_CLIP) {
+ if (ctx.mozFillRule !== undefined) {
+ ctx.mozFillRule = 'evenodd';
+ ctx.clip();
+ ctx.mozFillRule = 'nonzero';
+ } else {
+ ctx.clip('evenodd');
+ }
+ } else {
+ ctx.clip();
+ }
+ this.pendingClip = null;
+ }
+ ctx.beginPath();
+ },
+ getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
+ if (this.cachedGetSinglePixelWidth === null) {
+ // NOTE: The `save` and `restore` commands used below is a workaround
+ // that is necessary in order to prevent `mozCurrentTransformInverse`
+ // from intermittently returning incorrect values in Firefox, see:
+ // https://github.com/mozilla/pdf.js/issues/7188.
+ this.ctx.save();
+ var inverse = this.ctx.mozCurrentTransformInverse;
+ this.ctx.restore();
+ // max of the current horizontal and vertical scale
+ this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(
+ (inverse[0] * inverse[0] + inverse[1] * inverse[1]),
+ (inverse[2] * inverse[2] + inverse[3] * inverse[3])));
+ }
+ return this.cachedGetSinglePixelWidth;
+ },
+ getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
+ var transform = this.ctx.mozCurrentTransform;
+ return [
+ transform[0] * x + transform[2] * y + transform[4],
+ transform[1] * x + transform[3] * y + transform[5]
+ ];
+ }
+ };
+
+ for (var op in OPS) {
+ CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
+ }
+
+ return CanvasGraphics;
+})();
+
+exports.CanvasGraphics = CanvasGraphics;
+exports.createScratchCanvas = createScratchCanvas;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayAPI = {}), root.pdfjsSharedUtil,
+ root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas,
+ root.pdfjsDisplayMetadata, root.pdfjsDisplayDOMUtils);
+ }
+}(this, function (exports, sharedUtil, displayFontLoader, displayCanvas,
+ displayMetadata, displayDOMUtils, amdRequire) {
+
+var InvalidPDFException = sharedUtil.InvalidPDFException;
+var MessageHandler = sharedUtil.MessageHandler;
+var MissingPDFException = sharedUtil.MissingPDFException;
+var PageViewport = sharedUtil.PageViewport;
+var PasswordResponses = sharedUtil.PasswordResponses;
+var PasswordException = sharedUtil.PasswordException;
+var StatTimer = sharedUtil.StatTimer;
+var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
+var UnknownErrorException = sharedUtil.UnknownErrorException;
+var Util = sharedUtil.Util;
+var createPromiseCapability = sharedUtil.createPromiseCapability;
+var error = sharedUtil.error;
+var deprecated = sharedUtil.deprecated;
+var getVerbosityLevel = sharedUtil.getVerbosityLevel;
+var info = sharedUtil.info;
+var isInt = sharedUtil.isInt;
+var isArray = sharedUtil.isArray;
+var isArrayBuffer = sharedUtil.isArrayBuffer;
+var isSameOrigin = sharedUtil.isSameOrigin;
+var loadJpegStream = sharedUtil.loadJpegStream;
+var stringToBytes = sharedUtil.stringToBytes;
+var globalScope = sharedUtil.globalScope;
+var warn = sharedUtil.warn;
+var FontFaceObject = displayFontLoader.FontFaceObject;
+var FontLoader = displayFontLoader.FontLoader;
+var CanvasGraphics = displayCanvas.CanvasGraphics;
+var createScratchCanvas = displayCanvas.createScratchCanvas;
+var Metadata = displayMetadata.Metadata;
+var getDefaultSetting = displayDOMUtils.getDefaultSetting;
+
+var DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536
+
+var isWorkerDisabled = false;
+var workerSrc;
+var isPostMessageTransfersDisabled = false;
+
+
+var useRequireEnsure = false;
+if (typeof window === 'undefined') {
+ // node.js - disable worker and set require.ensure.
+ isWorkerDisabled = true;
+ if (typeof require.ensure === 'undefined') {
+ require.ensure = require('node-ensure');
+ }
+ useRequireEnsure = true;
+}
+if (typeof __webpack_require__ !== 'undefined') {
+ useRequireEnsure = true;
+}
+if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
+ workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
+}
+var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
+var fakeWorkerFilesLoader = useRequireEnsure ? (function (callback) {
+ require.ensure([], function () {
+ var worker = require('./pdf.worker.js');
+ callback(worker.WorkerMessageHandler);
+ });
+}) : dynamicLoaderSupported ? (function (callback) {
+ requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
+ callback(worker.WorkerMessageHandler);
+ });
+}) : null;
+
+
+/**
+ * Document initialization / loading parameters object.
+ *
+ * @typedef {Object} DocumentInitParameters
+ * @property {string} url - The URL of the PDF.
+ * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays
+ * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded,
+ * use atob() to convert it to a binary string first.
+ * @property {Object} httpHeaders - Basic authentication headers.
+ * @property {boolean} withCredentials - Indicates whether or not cross-site
+ * Access-Control requests should be made using credentials such as cookies
+ * or authorization headers. The default is false.
+ * @property {string} password - For decrypting password-protected PDFs.
+ * @property {TypedArray} initialData - A typed array with the first portion or
+ * all of the pdf data. Used by the extension since some data is already
+ * loaded before the switch to range requests.
+ * @property {number} length - The PDF file length. It's used for progress
+ * reports and range requests operations.
+ * @property {PDFDataRangeTransport} range
+ * @property {number} rangeChunkSize - Optional parameter to specify
+ * maximum number of bytes fetched per range request. The default value is
+ * 2^16 = 65536.
+ * @property {PDFWorker} worker - The worker that will be used for the loading
+ * and parsing of the PDF data.
+ */
+
+/**
+ * @typedef {Object} PDFDocumentStats
+ * @property {Array} streamTypes - Used stream types in the document (an item
+ * is set to true if specific stream ID was used in the document).
+ * @property {Array} fontTypes - Used font type in the document (an item is set
+ * to true if specific font ID was used in the document).
+ */
+
+/**
+ * This is the main entry point for loading a PDF and interacting with it.
+ * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR)
+ * is used, which means it must follow the same origin rules that any XHR does
+ * e.g. No cross domain requests without CORS.
+ *
+ * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src
+ * Can be a url to where a PDF is located, a typed array (Uint8Array)
+ * already populated with data or parameter object.
+ *
+ * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used
+ * if you want to manually serve range requests for data in the PDF.
+ *
+ * @param {function} passwordCallback (deprecated) It is used to request a
+ * password if wrong or no password was provided. The callback receives two
+ * parameters: function that needs to be called with new password and reason
+ * (see {PasswordResponses}).
+ *
+ * @param {function} progressCallback (deprecated) It is used to be able to
+ * monitor the loading progress of the PDF file (necessary to implement e.g.
+ * a loading bar). The callback receives an {Object} with the properties:
+ * {number} loaded and {number} total.
+ *
+ * @return {PDFDocumentLoadingTask}
+ */
+function getDocument(src, pdfDataRangeTransport,
+ passwordCallback, progressCallback) {
+ var task = new PDFDocumentLoadingTask();
+
+ // Support of the obsolete arguments (for compatibility with API v1.0)
+ if (arguments.length > 1) {
+ deprecated('getDocument is called with pdfDataRangeTransport, ' +
+ 'passwordCallback or progressCallback argument');
+ }
+ if (pdfDataRangeTransport) {
+ if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
+ // Not a PDFDataRangeTransport instance, trying to add missing properties.
+ pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
+ pdfDataRangeTransport.length = src.length;
+ pdfDataRangeTransport.initialData = src.initialData;
+ if (!pdfDataRangeTransport.abort) {
+ pdfDataRangeTransport.abort = function () {};
+ }
+ }
+ src = Object.create(src);
+ src.range = pdfDataRangeTransport;
+ }
+ task.onPassword = passwordCallback || null;
+ task.onProgress = progressCallback || null;
+
+ var source;
+ if (typeof src === 'string') {
+ source = { url: src };
+ } else if (isArrayBuffer(src)) {
+ source = { data: src };
+ } else if (src instanceof PDFDataRangeTransport) {
+ source = { range: src };
+ } else {
+ if (typeof src !== 'object') {
+ error('Invalid parameter in getDocument, need either Uint8Array, ' +
+ 'string or a parameter object');
+ }
+ if (!src.url && !src.data && !src.range) {
+ error('Invalid parameter object: need either .data, .range or .url');
+ }
+
+ source = src;
+ }
+
+ var params = {};
+ var rangeTransport = null;
+ var worker = null;
+ for (var key in source) {
+ if (key === 'url' && typeof window !== 'undefined') {
+ // The full path is required in the 'url' field.
+ params[key] = new URL(source[key], window.location).href;
+ continue;
+ } else if (key === 'range') {
+ rangeTransport = source[key];
+ continue;
+ } else if (key === 'worker') {
+ worker = source[key];
+ continue;
+ } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
+ // Converting string or array-like data to Uint8Array.
+ var pdfBytes = source[key];
+ if (typeof pdfBytes === 'string') {
+ params[key] = stringToBytes(pdfBytes);
+ } else if (typeof pdfBytes === 'object' && pdfBytes !== null &&
+ !isNaN(pdfBytes.length)) {
+ params[key] = new Uint8Array(pdfBytes);
+ } else if (isArrayBuffer(pdfBytes)) {
+ params[key] = new Uint8Array(pdfBytes);
+ } else {
+ error('Invalid PDF binary data: either typed array, string or ' +
+ 'array-like object is expected in the data property.');
+ }
+ continue;
+ }
+ params[key] = source[key];
+ }
+
+ params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
+
+ if (!worker) {
+ // Worker was not provided -- creating and owning our own.
+ worker = new PDFWorker();
+ task._worker = worker;
+ }
+ var docId = task.docId;
+ worker.promise.then(function () {
+ if (task.destroyed) {
+ throw new Error('Loading aborted');
+ }
+ return _fetchDocument(worker, params, rangeTransport, docId).then(
+ function (workerId) {
+ if (task.destroyed) {
+ throw new Error('Loading aborted');
+ }
+ var messageHandler = new MessageHandler(docId, workerId, worker.port);
+ var transport = new WorkerTransport(messageHandler, task, rangeTransport);
+ task._transport = transport;
+ messageHandler.send('Ready', null);
+ });
+ }).catch(task._capability.reject);
+
+ return task;
+}
+
+/**
+ * Starts fetching of specified PDF document/data.
+ * @param {PDFWorker} worker
+ * @param {Object} source
+ * @param {PDFDataRangeTransport} pdfDataRangeTransport
+ * @param {string} docId Unique document id, used as MessageHandler id.
+ * @returns {Promise} The promise, which is resolved when worker id of
+ * MessageHandler is known.
+ * @private
+ */
+function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
+ if (worker.destroyed) {
+ return Promise.reject(new Error('Worker was destroyed'));
+ }
+
+ source.disableAutoFetch = getDefaultSetting('disableAutoFetch');
+ source.disableStream = getDefaultSetting('disableStream');
+ source.chunkedViewerLoading = !!pdfDataRangeTransport;
+ if (pdfDataRangeTransport) {
+ source.length = pdfDataRangeTransport.length;
+ source.initialData = pdfDataRangeTransport.initialData;
+ }
+ return worker.messageHandler.sendWithPromise('GetDocRequest', {
+ docId: docId,
+ source: source,
+ disableRange: getDefaultSetting('disableRange'),
+ maxImageSize: getDefaultSetting('maxImageSize'),
+ cMapUrl: getDefaultSetting('cMapUrl'),
+ cMapPacked: getDefaultSetting('cMapPacked'),
+ disableFontFace: getDefaultSetting('disableFontFace'),
+ disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),
+ postMessageTransfers: getDefaultSetting('postMessageTransfers') &&
+ !isPostMessageTransfersDisabled,
+ }).then(function (workerId) {
+ if (worker.destroyed) {
+ throw new Error('Worker was destroyed');
+ }
+ return workerId;
+ });
+}
+
+/**
+ * PDF document loading operation.
+ * @class
+ * @alias PDFDocumentLoadingTask
+ */
+var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
+ var nextDocumentId = 0;
+
+ /** @constructs PDFDocumentLoadingTask */
+ function PDFDocumentLoadingTask() {
+ this._capability = createPromiseCapability();
+ this._transport = null;
+ this._worker = null;
+
+ /**
+ * Unique document loading task id -- used in MessageHandlers.
+ * @type {string}
+ */
+ this.docId = 'd' + (nextDocumentId++);
+
+ /**
+ * Shows if loading task is destroyed.
+ * @type {boolean}
+ */
+ this.destroyed = false;
+
+ /**
+ * Callback to request a password if wrong or no password was provided.
+ * The callback receives two parameters: function that needs to be called
+ * with new password and reason (see {PasswordResponses}).
+ */
+ this.onPassword = null;
+
+ /**
+ * Callback to be able to monitor the loading progress of the PDF file
+ * (necessary to implement e.g. a loading bar). The callback receives
+ * an {Object} with the properties: {number} loaded and {number} total.
+ */
+ this.onProgress = null;
+
+ /**
+ * Callback to when unsupported feature is used. The callback receives
+ * an {UNSUPPORTED_FEATURES} argument.
+ */
+ this.onUnsupportedFeature = null;
+ }
+
+ PDFDocumentLoadingTask.prototype =
+ /** @lends PDFDocumentLoadingTask.prototype */ {
+ /**
+ * @return {Promise}
+ */
+ get promise() {
+ return this._capability.promise;
+ },
+
+ /**
+ * Aborts all network requests and destroys worker.
+ * @return {Promise} A promise that is resolved after destruction activity
+ * is completed.
+ */
+ destroy: function () {
+ this.destroyed = true;
+
+ var transportDestroyed = !this._transport ? Promise.resolve() :
+ this._transport.destroy();
+ return transportDestroyed.then(function () {
+ this._transport = null;
+ if (this._worker) {
+ this._worker.destroy();
+ this._worker = null;
+ }
+ }.bind(this));
+ },
+
+ /**
+ * Registers callbacks to indicate the document loading completion.
+ *
+ * @param {function} onFulfilled The callback for the loading completion.
+ * @param {function} onRejected The callback for the loading failure.
+ * @return {Promise} A promise that is resolved after the onFulfilled or
+ * onRejected callback.
+ */
+ then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
+ return this.promise.then.apply(this.promise, arguments);
+ }
+ };
+
+ return PDFDocumentLoadingTask;
+})();
+
+/**
+ * Abstract class to support range requests file loading.
+ * @class
+ * @alias PDFDataRangeTransport
+ * @param {number} length
+ * @param {Uint8Array} initialData
+ */
+var PDFDataRangeTransport = (function pdfDataRangeTransportClosure() {
+ function PDFDataRangeTransport(length, initialData) {
+ this.length = length;
+ this.initialData = initialData;
+
+ this._rangeListeners = [];
+ this._progressListeners = [];
+ this._progressiveReadListeners = [];
+ this._readyCapability = createPromiseCapability();
+ }
+ PDFDataRangeTransport.prototype =
+ /** @lends PDFDataRangeTransport.prototype */ {
+ addRangeListener:
+ function PDFDataRangeTransport_addRangeListener(listener) {
+ this._rangeListeners.push(listener);
+ },
+
+ addProgressListener:
+ function PDFDataRangeTransport_addProgressListener(listener) {
+ this._progressListeners.push(listener);
+ },
+
+ addProgressiveReadListener:
+ function PDFDataRangeTransport_addProgressiveReadListener(listener) {
+ this._progressiveReadListeners.push(listener);
+ },
+
+ onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
+ var listeners = this._rangeListeners;
+ for (var i = 0, n = listeners.length; i < n; ++i) {
+ listeners[i](begin, chunk);
+ }
+ },
+
+ onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
+ this._readyCapability.promise.then(function () {
+ var listeners = this._progressListeners;
+ for (var i = 0, n = listeners.length; i < n; ++i) {
+ listeners[i](loaded);
+ }
+ }.bind(this));
+ },
+
+ onDataProgressiveRead:
+ function PDFDataRangeTransport_onDataProgress(chunk) {
+ this._readyCapability.promise.then(function () {
+ var listeners = this._progressiveReadListeners;
+ for (var i = 0, n = listeners.length; i < n; ++i) {
+ listeners[i](chunk);
+ }
+ }.bind(this));
+ },
+
+ transportReady: function PDFDataRangeTransport_transportReady() {
+ this._readyCapability.resolve();
+ },
+
+ requestDataRange:
+ function PDFDataRangeTransport_requestDataRange(begin, end) {
+ throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
+ },
+
+ abort: function PDFDataRangeTransport_abort() {
+ }
+ };
+ return PDFDataRangeTransport;
+})();
+
+/**
+ * Proxy to a PDFDocument in the worker thread. Also, contains commonly used
+ * properties that can be read synchronously.
+ * @class
+ * @alias PDFDocumentProxy
+ */
+var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
+ function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
+ this.pdfInfo = pdfInfo;
+ this.transport = transport;
+ this.loadingTask = loadingTask;
+ }
+ PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ {
+ /**
+ * @return {number} Total number of pages the PDF contains.
+ */
+ get numPages() {
+ return this.pdfInfo.numPages;
+ },
+ /**
+ * @return {string} A unique ID to identify a PDF. Not guaranteed to be
+ * unique.
+ */
+ get fingerprint() {
+ return this.pdfInfo.fingerprint;
+ },
+ /**
+ * @param {number} pageNumber The page number to get. The first page is 1.
+ * @return {Promise} A promise that is resolved with a {@link PDFPageProxy}
+ * object.
+ */
+ getPage: function PDFDocumentProxy_getPage(pageNumber) {
+ return this.transport.getPage(pageNumber);
+ },
+ /**
+ * @param {{num: number, gen: number}} ref The page reference. Must have
+ * the 'num' and 'gen' properties.
+ * @return {Promise} A promise that is resolved with the page index that is
+ * associated with the reference.
+ */
+ getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
+ return this.transport.getPageIndex(ref);
+ },
+ /**
+ * @return {Promise} A promise that is resolved with a lookup table for
+ * mapping named destinations to reference numbers.
+ *
+ * This can be slow for large documents: use getDestination instead
+ */
+ getDestinations: function PDFDocumentProxy_getDestinations() {
+ return this.transport.getDestinations();
+ },
+ /**
+ * @param {string} id The named destination to get.
+ * @return {Promise} A promise that is resolved with all information
+ * of the given named destination.
+ */
+ getDestination: function PDFDocumentProxy_getDestination(id) {
+ return this.transport.getDestination(id);
+ },
+ /**
+ * @return {Promise} A promise that is resolved with:
+ * an Array containing the pageLabels that correspond to the pageIndexes,
+ * or `null` when no pageLabels are present in the PDF file.
+ */
+ getPageLabels: function PDFDocumentProxy_getPageLabels() {
+ return this.transport.getPageLabels();
+ },
+ /**
+ * @return {Promise} A promise that is resolved with a lookup table for
+ * mapping named attachments to their content.
+ */
+ getAttachments: function PDFDocumentProxy_getAttachments() {
+ return this.transport.getAttachments();
+ },
+ /**
+ * @return {Promise} A promise that is resolved with an array of all the
+ * JavaScript strings in the name tree.
+ */
+ getJavaScript: function PDFDocumentProxy_getJavaScript() {
+ return this.transport.getJavaScript();
+ },
+ /**
+ * @return {Promise} A promise that is resolved with an {Array} that is a
+ * tree outline (if it has one) of the PDF. The tree is in the format of:
+ * [
+ * {
+ * title: string,
+ * bold: boolean,
+ * italic: boolean,
+ * color: rgb Uint8Array,
+ * dest: dest obj,
+ * url: string,
+ * items: array of more items like this
+ * },
+ * ...
+ * ].
+ */
+ getOutline: function PDFDocumentProxy_getOutline() {
+ return this.transport.getOutline();
+ },
+ /**
+ * @return {Promise} A promise that is resolved with an {Object} that has
+ * info and metadata properties. Info is an {Object} filled with anything
+ * available in the information dictionary and similarly metadata is a
+ * {Metadata} object with information from the metadata section of the PDF.
+ */
+ getMetadata: function PDFDocumentProxy_getMetadata() {
+ return this.transport.getMetadata();
+ },
+ /**
+ * @return {Promise} A promise that is resolved with a TypedArray that has
+ * the raw data from the PDF.
+ */
+ getData: function PDFDocumentProxy_getData() {
+ return this.transport.getData();
+ },
+ /**
+ * @return {Promise} A promise that is resolved when the document's data
+ * is loaded. It is resolved with an {Object} that contains the length
+ * property that indicates size of the PDF data in bytes.
+ */
+ getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
+ return this.transport.downloadInfoCapability.promise;
+ },
+ /**
+ * @return {Promise} A promise this is resolved with current stats about
+ * document structures (see {@link PDFDocumentStats}).
+ */
+ getStats: function PDFDocumentProxy_getStats() {
+ return this.transport.getStats();
+ },
+ /**
+ * Cleans up resources allocated by the document, e.g. created @font-face.
+ */
+ cleanup: function PDFDocumentProxy_cleanup() {
+ this.transport.startCleanup();
+ },
+ /**
+ * Destroys current document instance and terminates worker.
+ */
+ destroy: function PDFDocumentProxy_destroy() {
+ return this.loadingTask.destroy();
+ }
+ };
+ return PDFDocumentProxy;
+})();
+
+/**
+ * Page getTextContent parameters.
+ *
+ * @typedef {Object} getTextContentParameters
+ * @param {boolean} normalizeWhitespace - replaces all occurrences of
+ * whitespace with standard spaces (0x20). The default value is `false`.
+ * @param {boolean} disableCombineTextItems - do not attempt to combine
+ * same line {@link TextItem}'s. The default value is `false`.
+ */
+
+/**
+ * Page text content.
+ *
+ * @typedef {Object} TextContent
+ * @property {array} items - array of {@link TextItem}
+ * @property {Object} styles - {@link TextStyles} objects, indexed by font
+ * name.
+ */
+
+/**
+ * Page text content part.
+ *
+ * @typedef {Object} TextItem
+ * @property {string} str - text content.
+ * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'.
+ * @property {array} transform - transformation matrix.
+ * @property {number} width - width in device space.
+ * @property {number} height - height in device space.
+ * @property {string} fontName - font name used by pdf.js for converted font.
+ */
+
+/**
+ * Text style.
+ *
+ * @typedef {Object} TextStyle
+ * @property {number} ascent - font ascent.
+ * @property {number} descent - font descent.
+ * @property {boolean} vertical - text is in vertical mode.
+ * @property {string} fontFamily - possible font family
+ */
+
+/**
+ * Page annotation parameters.
+ *
+ * @typedef {Object} GetAnnotationsParameters
+ * @param {string} intent - Determines the annotations that will be fetched,
+ * can be either 'display' (viewable annotations) or 'print'
+ * (printable annotations).
+ * If the parameter is omitted, all annotations are fetched.
+ */
+
+/**
+ * Page render parameters.
+ *
+ * @typedef {Object} RenderParameters
+ * @property {Object} canvasContext - A 2D context of a DOM Canvas object.
+ * @property {PageViewport} viewport - Rendering viewport obtained by
+ * calling of PDFPage.getViewport method.
+ * @property {string} intent - Rendering intent, can be 'display' or 'print'
+ * (default value is 'display').
+ * @property {boolean} renderInteractiveForms - (optional) Whether or not
+ * interactive form elements are rendered in the display
+ * layer. If so, we do not render them on canvas as well.
+ * @property {Array} transform - (optional) Additional transform, applied
+ * just before viewport transform.
+ * @property {Object} imageLayer - (optional) An object that has beginLayout,
+ * endLayout and appendImage functions.
+ * @property {function} continueCallback - (deprecated) A function that will be
+ * called each time the rendering is paused. To continue
+ * rendering call the function that is the first argument
+ * to the callback.
+ */
+
+/**
+ * PDF page operator list.
+ *
+ * @typedef {Object} PDFOperatorList
+ * @property {Array} fnArray - Array containing the operator functions.
+ * @property {Array} argsArray - Array containing the arguments of the
+ * functions.
+ */
+
+/**
+ * Proxy to a PDFPage in the worker thread.
+ * @class
+ * @alias PDFPageProxy
+ */
+var PDFPageProxy = (function PDFPageProxyClosure() {
+ function PDFPageProxy(pageIndex, pageInfo, transport) {
+ this.pageIndex = pageIndex;
+ this.pageInfo = pageInfo;
+ this.transport = transport;
+ this.stats = new StatTimer();
+ this.stats.enabled = getDefaultSetting('enableStats');
+ this.commonObjs = transport.commonObjs;
+ this.objs = new PDFObjects();
+ this.cleanupAfterRender = false;
+ this.pendingCleanup = false;
+ this.intentStates = Object.create(null);
+ this.destroyed = false;
+ }
+ PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ {
+ /**
+ * @return {number} Page number of the page. First page is 1.
+ */
+ get pageNumber() {
+ return this.pageIndex + 1;
+ },
+ /**
+ * @return {number} The number of degrees the page is rotated clockwise.
+ */
+ get rotate() {
+ return this.pageInfo.rotate;
+ },
+ /**
+ * @return {Object} The reference that points to this page. It has 'num' and
+ * 'gen' properties.
+ */
+ get ref() {
+ return this.pageInfo.ref;
+ },
+ /**
+ * @return {Array} An array of the visible portion of the PDF page in the
+ * user space units - [x1, y1, x2, y2].
+ */
+ get view() {
+ return this.pageInfo.view;
+ },
+ /**
+ * @param {number} scale The desired scale of the viewport.
+ * @param {number} rotate Degrees to rotate the viewport. If omitted this
+ * defaults to the page rotation.
+ * @return {PageViewport} Contains 'width' and 'height' properties
+ * along with transforms required for rendering.
+ */
+ getViewport: function PDFPageProxy_getViewport(scale, rotate) {
+ if (arguments.length < 2) {
+ rotate = this.rotate;
+ }
+ return new PageViewport(this.view, scale, rotate, 0, 0);
+ },
+ /**
+ * @param {GetAnnotationsParameters} params - Annotation parameters.
+ * @return {Promise} A promise that is resolved with an {Array} of the
+ * annotation objects.
+ */
+ getAnnotations: function PDFPageProxy_getAnnotations(params) {
+ var intent = (params && params.intent) || null;
+
+ if (!this.annotationsPromise || this.annotationsIntent !== intent) {
+ this.annotationsPromise = this.transport.getAnnotations(this.pageIndex,
+ intent);
+ this.annotationsIntent = intent;
+ }
+ return this.annotationsPromise;
+ },
+ /**
+ * Begins the process of rendering a page to the desired context.
+ * @param {RenderParameters} params Page render parameters.
+ * @return {RenderTask} An object that contains the promise, which
+ * is resolved when the page finishes rendering.
+ */
+ render: function PDFPageProxy_render(params) {
+ var stats = this.stats;
+ stats.time('Overall');
+
+ // If there was a pending destroy cancel it so no cleanup happens during
+ // this call to render.
+ this.pendingCleanup = false;
+
+ var renderingIntent = (params.intent === 'print' ? 'print' : 'display');
+ var renderInteractiveForms = (params.renderInteractiveForms === true ?
+ true : /* Default */ false);
+
+ if (!this.intentStates[renderingIntent]) {
+ this.intentStates[renderingIntent] = Object.create(null);
+ }
+ var intentState = this.intentStates[renderingIntent];
+
+ // If there's no displayReadyCapability yet, then the operatorList
+ // was never requested before. Make the request and create the promise.
+ if (!intentState.displayReadyCapability) {
+ intentState.receivingOperatorList = true;
+ intentState.displayReadyCapability = createPromiseCapability();
+ intentState.operatorList = {
+ fnArray: [],
+ argsArray: [],
+ lastChunk: false
+ };
+
+ this.stats.time('Page Request');
+ this.transport.messageHandler.send('RenderPageRequest', {
+ pageIndex: this.pageNumber - 1,
+ intent: renderingIntent,
+ renderInteractiveForms: renderInteractiveForms,
+ });
+ }
+
+ var internalRenderTask = new InternalRenderTask(complete, params,
+ this.objs,
+ this.commonObjs,
+ intentState.operatorList,
+ this.pageNumber);
+ internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
+ if (!intentState.renderTasks) {
+ intentState.renderTasks = [];
+ }
+ intentState.renderTasks.push(internalRenderTask);
+ var renderTask = internalRenderTask.task;
+
+ // Obsolete parameter support
+ if (params.continueCallback) {
+ deprecated('render is used with continueCallback parameter');
+ renderTask.onContinue = params.continueCallback;
+ }
+
+ var self = this;
+ intentState.displayReadyCapability.promise.then(
+ function pageDisplayReadyPromise(transparency) {
+ if (self.pendingCleanup) {
+ complete();
+ return;
+ }
+ stats.time('Rendering');
+ internalRenderTask.initializeGraphics(transparency);
+ internalRenderTask.operatorListChanged();
+ },
+ function pageDisplayReadPromiseError(reason) {
+ complete(reason);
+ }
+ );
+
+ function complete(error) {
+ var i = intentState.renderTasks.indexOf(internalRenderTask);
+ if (i >= 0) {
+ intentState.renderTasks.splice(i, 1);
+ }
+
+ if (self.cleanupAfterRender) {
+ self.pendingCleanup = true;
+ }
+ self._tryCleanup();
+
+ if (error) {
+ internalRenderTask.capability.reject(error);
+ } else {
+ internalRenderTask.capability.resolve();
+ }
+ stats.timeEnd('Rendering');
+ stats.timeEnd('Overall');
+ }
+
+ return renderTask;
+ },
+
+ /**
+ * @return {Promise} A promise resolved with an {@link PDFOperatorList}
+ * object that represents page's operator list.
+ */
+ getOperatorList: function PDFPageProxy_getOperatorList() {
+ function operatorListChanged() {
+ if (intentState.operatorList.lastChunk) {
+ intentState.opListReadCapability.resolve(intentState.operatorList);
+
+ var i = intentState.renderTasks.indexOf(opListTask);
+ if (i >= 0) {
+ intentState.renderTasks.splice(i, 1);
+ }
+ }
+ }
+
+ var renderingIntent = 'oplist';
+ if (!this.intentStates[renderingIntent]) {
+ this.intentStates[renderingIntent] = Object.create(null);
+ }
+ var intentState = this.intentStates[renderingIntent];
+ var opListTask;
+
+ if (!intentState.opListReadCapability) {
+ opListTask = {};
+ opListTask.operatorListChanged = operatorListChanged;
+ intentState.receivingOperatorList = true;
+ intentState.opListReadCapability = createPromiseCapability();
+ intentState.renderTasks = [];
+ intentState.renderTasks.push(opListTask);
+ intentState.operatorList = {
+ fnArray: [],
+ argsArray: [],
+ lastChunk: false
+ };
+
+ this.transport.messageHandler.send('RenderPageRequest', {
+ pageIndex: this.pageIndex,
+ intent: renderingIntent
+ });
+ }
+ return intentState.opListReadCapability.promise;
+ },
+
+ /**
+ * @param {getTextContentParameters} params - getTextContent parameters.
+ * @return {Promise} That is resolved a {@link TextContent}
+ * object that represent the page text content.
+ */
+ getTextContent: function PDFPageProxy_getTextContent(params) {
+ return this.transport.messageHandler.sendWithPromise('GetTextContent', {
+ pageIndex: this.pageNumber - 1,
+ normalizeWhitespace: (params && params.normalizeWhitespace === true ?
+ true : /* Default */ false),
+ combineTextItems: (params && params.disableCombineTextItems === true ?
+ false : /* Default */ true),
+ });
+ },
+
+ /**
+ * Destroys page object.
+ */
+ _destroy: function PDFPageProxy_destroy() {
+ this.destroyed = true;
+ this.transport.pageCache[this.pageIndex] = null;
+
+ var waitOn = [];
+ Object.keys(this.intentStates).forEach(function(intent) {
+ if (intent === 'oplist') {
+ // Avoid errors below, since the renderTasks are just stubs.
+ return;
+ }
+ var intentState = this.intentStates[intent];
+ intentState.renderTasks.forEach(function(renderTask) {
+ var renderCompleted = renderTask.capability.promise.
+ catch(function () {}); // ignoring failures
+ waitOn.push(renderCompleted);
+ renderTask.cancel();
+ });
+ }, this);
+ this.objs.clear();
+ this.annotationsPromise = null;
+ this.pendingCleanup = false;
+ return Promise.all(waitOn);
+ },
+
+ /**
+ * Cleans up resources allocated by the page. (deprecated)
+ */
+ destroy: function() {
+ deprecated('page destroy method, use cleanup() instead');
+ this.cleanup();
+ },
+
+ /**
+ * Cleans up resources allocated by the page.
+ */
+ cleanup: function PDFPageProxy_cleanup() {
+ this.pendingCleanup = true;
+ this._tryCleanup();
+ },
+ /**
+ * For internal use only. Attempts to clean up if rendering is in a state
+ * where that's possible.
+ * @ignore
+ */
+ _tryCleanup: function PDFPageProxy_tryCleanup() {
+ if (!this.pendingCleanup ||
+ Object.keys(this.intentStates).some(function(intent) {
+ var intentState = this.intentStates[intent];
+ return (intentState.renderTasks.length !== 0 ||
+ intentState.receivingOperatorList);
+ }, this)) {
+ return;
+ }
+
+ Object.keys(this.intentStates).forEach(function(intent) {
+ delete this.intentStates[intent];
+ }, this);
+ this.objs.clear();
+ this.annotationsPromise = null;
+ this.pendingCleanup = false;
+ },
+ /**
+ * For internal use only.
+ * @ignore
+ */
+ _startRenderPage: function PDFPageProxy_startRenderPage(transparency,
+ intent) {
+ var intentState = this.intentStates[intent];
+ // TODO Refactor RenderPageRequest to separate rendering
+ // and operator list logic
+ if (intentState.displayReadyCapability) {
+ intentState.displayReadyCapability.resolve(transparency);
+ }
+ },
+ /**
+ * For internal use only.
+ * @ignore
+ */
+ _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk,
+ intent) {
+ var intentState = this.intentStates[intent];
+ var i, ii;
+ // Add the new chunk to the current operator list.
+ for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
+ intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
+ intentState.operatorList.argsArray.push(
+ operatorListChunk.argsArray[i]);
+ }
+ intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
+
+ // Notify all the rendering tasks there are more operators to be consumed.
+ for (i = 0; i < intentState.renderTasks.length; i++) {
+ intentState.renderTasks[i].operatorListChanged();
+ }
+
+ if (operatorListChunk.lastChunk) {
+ intentState.receivingOperatorList = false;
+ this._tryCleanup();
+ }
+ }
+ };
+ return PDFPageProxy;
+})();
+
+/**
+ * PDF.js web worker abstraction, it controls instantiation of PDF documents and
+ * WorkerTransport for them. If creation of a web worker is not possible,
+ * a "fake" worker will be used instead.
+ * @class
+ */
+var PDFWorker = (function PDFWorkerClosure() {
+ var nextFakeWorkerId = 0;
+
+ function getWorkerSrc() {
+ if (typeof workerSrc !== 'undefined') {
+ return workerSrc;
+ }
+ if (getDefaultSetting('workerSrc')) {
+ return getDefaultSetting('workerSrc');
+ }
+ if (pdfjsFilePath) {
+ return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
+ }
+ error('No PDFJS.workerSrc specified');
+ }
+
+ var fakeWorkerFilesLoadedCapability;
+
+ // Loads worker code into main thread.
+ function setupFakeWorkerGlobal() {
+ var WorkerMessageHandler;
+ if (!fakeWorkerFilesLoadedCapability) {
+ 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.
+ var loader = fakeWorkerFilesLoader || function (callback) {
+ Util.loadScript(getWorkerSrc(), function () {
+ callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
+ });
+ };
+ loader(fakeWorkerFilesLoadedCapability.resolve);
+ }
+ return fakeWorkerFilesLoadedCapability.promise;
+ }
+
+ function FakeWorkerPort(defer) {
+ this._listeners = [];
+ this._defer = defer;
+ this._deferred = Promise.resolve(undefined);
+ }
+ FakeWorkerPort.prototype = {
+ postMessage: function (obj, transfers) {
+ function cloneValue(value) {
+ // Trying to perform a structured clone close to the spec, including
+ // transfers.
+ if (typeof value !== 'object' || value === null) {
+ return value;
+ }
+ if (cloned.has(value)) { // already cloned the object
+ return cloned.get(value);
+ }
+ var result;
+ var buffer;
+ if ((buffer = value.buffer) && isArrayBuffer(buffer)) {
+ // We found object with ArrayBuffer (typed array).
+ var transferable = transfers && transfers.indexOf(buffer) >= 0;
+ if (value === buffer) {
+ // Special case when we are faking typed arrays in compatibility.js.
+ result = value;
+ } else if (transferable) {
+ result = new value.constructor(buffer, value.byteOffset,
+ value.byteLength);
+ } else {
+ result = new value.constructor(value);
+ }
+ cloned.set(value, result);
+ return result;
+ }
+ result = isArray(value) ? [] : {};
+ cloned.set(value, result); // adding to cache now for cyclic references
+ // Cloning all value and object properties, however ignoring properties
+ // defined via getter.
+ for (var i in value) {
+ var desc, p = value;
+ while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
+ p = Object.getPrototypeOf(p);
+ }
+ if (typeof desc.value === 'undefined' ||
+ typeof desc.value === 'function') {
+ continue;
+ }
+ result[i] = cloneValue(desc.value);
+ }
+ return result;
+ }
+
+ if (!this._defer) {
+ this._listeners.forEach(function (listener) {
+ listener.call(this, {data: obj});
+ }, this);
+ return;
+ }
+
+ var cloned = new WeakMap();
+ var e = {data: cloneValue(obj)};
+ this._deferred.then(function () {
+ this._listeners.forEach(function (listener) {
+ listener.call(this, e);
+ }, this);
+ }.bind(this));
+ },
+ addEventListener: function (name, listener) {
+ this._listeners.push(listener);
+ },
+ removeEventListener: function (name, listener) {
+ var i = this._listeners.indexOf(listener);
+ this._listeners.splice(i, 1);
+ },
+ terminate: function () {
+ this._listeners = [];
+ }
+ };
+
+ function createCDNWrapper(url) {
+ // We will rely on blob URL's property to specify origin.
+ // We want this function to fail in case if createObjectURL or Blob do not
+ // exist or fail for some reason -- our Worker creation will fail anyway.
+ var wrapper = 'importScripts(\'' + url + '\');';
+ return URL.createObjectURL(new Blob([wrapper]));
+ }
+
+ function PDFWorker(name) {
+ this.name = name;
+ this.destroyed = false;
+
+ this._readyCapability = createPromiseCapability();
+ this._port = null;
+ this._webWorker = null;
+ this._messageHandler = null;
+ this._initialize();
+ }
+
+ PDFWorker.prototype = /** @lends PDFWorker.prototype */ {
+ get promise() {
+ return this._readyCapability.promise;
+ },
+
+ get port() {
+ return this._port;
+ },
+
+ get messageHandler() {
+ return this._messageHandler;
+ },
+
+ _initialize: function PDFWorker_initialize() {
+ // If worker support isn't disabled explicit and the browser has worker
+ // support, create a new web worker and test if it/the browser fulfills
+ // all requirements to run parts of pdf.js in a web worker.
+ // Right now, the requirement is, that an Uint8Array is still an
+ // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)
+ if (!isWorkerDisabled && !getDefaultSetting('disableWorker') &&
+ typeof Worker !== 'undefined') {
+ var workerSrc = getWorkerSrc();
+
+ try {
+ // Wraps workerSrc path into blob URL, if the former does not belong
+ // to the same origin.
+ if (!isSameOrigin(window.location.href, workerSrc)) {
+ workerSrc = createCDNWrapper(
+ new URL(workerSrc, window.location).href);
+ }
+ // Some versions of FF can't create a worker on localhost, see:
+ // https://bugzilla.mozilla.org/show_bug.cgi?id=683280
+ var worker = new Worker(workerSrc);
+ var messageHandler = new MessageHandler('main', 'worker', worker);
+ var terminateEarly = function() {
+ worker.removeEventListener('error', onWorkerError);
+ messageHandler.destroy();
+ worker.terminate();
+ if (this.destroyed) {
+ this._readyCapability.reject(new Error('Worker was destroyed'));
+ } else {
+ // Fall back to fake worker if the termination is caused by an
+ // error (e.g. NetworkError / SecurityError).
+ this._setupFakeWorker();
+ }
+ }.bind(this);
+
+ var onWorkerError = function(event) {
+ if (!this._webWorker) {
+ // Worker failed to initialize due to an error. Clean up and fall
+ // back to the fake worker.
+ terminateEarly();
+ }
+ }.bind(this);
+ worker.addEventListener('error', onWorkerError);
+
+ messageHandler.on('test', function PDFWorker_test(data) {
+ worker.removeEventListener('error', onWorkerError);
+ if (this.destroyed) {
+ terminateEarly();
+ return; // worker was destroyed
+ }
+ var supportTypedArray = data && data.supportTypedArray;
+ if (supportTypedArray) {
+ this._messageHandler = messageHandler;
+ this._port = worker;
+ this._webWorker = worker;
+ if (!data.supportTransfers) {
+ isPostMessageTransfersDisabled = true;
+ }
+ this._readyCapability.resolve();
+ // Send global setting, e.g. verbosity level.
+ messageHandler.send('configure', {
+ verbosity: getVerbosityLevel()
+ });
+ } else {
+ this._setupFakeWorker();
+ messageHandler.destroy();
+ worker.terminate();
+ }
+ }.bind(this));
+
+ messageHandler.on('console_log', function (data) {
+ console.log.apply(console, data);
+ });
+ messageHandler.on('console_error', function (data) {
+ console.error.apply(console, data);
+ });
+
+ messageHandler.on('ready', function (data) {
+ worker.removeEventListener('error', onWorkerError);
+ if (this.destroyed) {
+ terminateEarly();
+ return; // worker was destroyed
+ }
+ try {
+ sendTest();
+ } catch (e) {
+ // We need fallback to a faked worker.
+ this._setupFakeWorker();
+ }
+ }.bind(this));
+
+ var sendTest = function () {
+ var postMessageTransfers =
+ getDefaultSetting('postMessageTransfers') &&
+ !isPostMessageTransfersDisabled;
+ var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
+ // Some versions of Opera throw a DATA_CLONE_ERR on serializing the
+ // typed array. Also, checking if we can use transfers.
+ try {
+ messageHandler.send('test', testObj, [testObj.buffer]);
+ } catch (ex) {
+ info('Cannot use postMessage transfers');
+ testObj[0] = 0;
+ messageHandler.send('test', testObj);
+ }
+ };
+
+ // It might take time for worker to initialize (especially when AMD
+ // loader is used). We will try to send test immediately, and then
+ // when 'ready' message will arrive. The worker shall process only
+ // first received 'test'.
+ sendTest();
+ return;
+ } catch (e) {
+ info('The worker has been disabled.');
+ }
+ }
+ // Either workers are disabled, not supported or have thrown an exception.
+ // Thus, we fallback to a faked worker.
+ this._setupFakeWorker();
+ },
+
+ _setupFakeWorker: function PDFWorker_setupFakeWorker() {
+ if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {
+ warn('Setting up fake worker.');
+ isWorkerDisabled = true;
+ }
+
+ setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
+ if (this.destroyed) {
+ this._readyCapability.reject(new Error('Worker was destroyed'));
+ return;
+ }
+
+ // We cannot turn on proper fake port simulation (this includes
+ // structured cloning) when typed arrays are not supported. Relying
+ // on a chance that messages will be sent in proper order.
+ var isTypedArraysPresent = Uint8Array !== Float32Array;
+ var port = new FakeWorkerPort(isTypedArraysPresent);
+ this._port = port;
+
+ // All fake workers use the same port, making id unique.
+ var id = 'fake' + (nextFakeWorkerId++);
+
+ // If the main thread is our worker, setup the handling for the
+ // messages -- the main thread sends to it self.
+ var workerHandler = new MessageHandler(id + '_worker', id, port);
+ WorkerMessageHandler.setup(workerHandler, port);
+
+ var messageHandler = new MessageHandler(id, id + '_worker', port);
+ this._messageHandler = messageHandler;
+ this._readyCapability.resolve();
+ }.bind(this));
+ },
+
+ /**
+ * Destroys the worker instance.
+ */
+ destroy: function PDFWorker_destroy() {
+ this.destroyed = true;
+ if (this._webWorker) {
+ // We need to terminate only web worker created resource.
+ this._webWorker.terminate();
+ this._webWorker = null;
+ }
+ this._port = null;
+ if (this._messageHandler) {
+ this._messageHandler.destroy();
+ this._messageHandler = null;
+ }
+ }
+ };
+
+ return PDFWorker;
+})();
+
+/**
+ * For internal use only.
+ * @ignore
+ */
+var WorkerTransport = (function WorkerTransportClosure() {
+ function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) {
+ this.messageHandler = messageHandler;
+ this.loadingTask = loadingTask;
+ this.pdfDataRangeTransport = pdfDataRangeTransport;
+ this.commonObjs = new PDFObjects();
+ this.fontLoader = new FontLoader(loadingTask.docId);
+
+ this.destroyed = false;
+ this.destroyCapability = null;
+
+ this.pageCache = [];
+ this.pagePromises = [];
+ this.downloadInfoCapability = createPromiseCapability();
+
+ this.setupMessageHandler();
+ }
+ WorkerTransport.prototype = {
+ destroy: function WorkerTransport_destroy() {
+ if (this.destroyCapability) {
+ return this.destroyCapability.promise;
+ }
+
+ this.destroyed = true;
+ this.destroyCapability = createPromiseCapability();
+
+ var waitOn = [];
+ // We need to wait for all renderings to be completed, e.g.
+ // timeout/rAF can take a long time.
+ this.pageCache.forEach(function (page) {
+ if (page) {
+ waitOn.push(page._destroy());
+ }
+ });
+ this.pageCache = [];
+ this.pagePromises = [];
+ var self = this;
+ // We also need to wait for the worker to finish its long running tasks.
+ var terminated = this.messageHandler.sendWithPromise('Terminate', null);
+ waitOn.push(terminated);
+ Promise.all(waitOn).then(function () {
+ self.fontLoader.clear();
+ if (self.pdfDataRangeTransport) {
+ self.pdfDataRangeTransport.abort();
+ self.pdfDataRangeTransport = null;
+ }
+ if (self.messageHandler) {
+ self.messageHandler.destroy();
+ self.messageHandler = null;
+ }
+ self.destroyCapability.resolve();
+ }, this.destroyCapability.reject);
+ return this.destroyCapability.promise;
+ },
+
+ setupMessageHandler:
+ function WorkerTransport_setupMessageHandler() {
+ var messageHandler = this.messageHandler;
+
+ function updatePassword(password) {
+ messageHandler.send('UpdatePassword', password);
+ }
+
+ var pdfDataRangeTransport = this.pdfDataRangeTransport;
+ if (pdfDataRangeTransport) {
+ pdfDataRangeTransport.addRangeListener(function(begin, chunk) {
+ messageHandler.send('OnDataRange', {
+ begin: begin,
+ chunk: chunk
+ });
+ });
+
+ pdfDataRangeTransport.addProgressListener(function(loaded) {
+ messageHandler.send('OnDataProgress', {
+ loaded: loaded
+ });
+ });
+
+ pdfDataRangeTransport.addProgressiveReadListener(function(chunk) {
+ messageHandler.send('OnDataRange', {
+ chunk: chunk
+ });
+ });
+
+ messageHandler.on('RequestDataRange',
+ function transportDataRange(data) {
+ pdfDataRangeTransport.requestDataRange(data.begin, data.end);
+ }, this);
+ }
+
+ messageHandler.on('GetDoc', function transportDoc(data) {
+ var pdfInfo = data.pdfInfo;
+ this.numPages = data.pdfInfo.numPages;
+ var loadingTask = this.loadingTask;
+ var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
+ this.pdfDocument = pdfDocument;
+ loadingTask._capability.resolve(pdfDocument);
+ }, this);
+
+ messageHandler.on('NeedPassword',
+ function transportNeedPassword(exception) {
+ var loadingTask = this.loadingTask;
+ if (loadingTask.onPassword) {
+ return loadingTask.onPassword(updatePassword,
+ PasswordResponses.NEED_PASSWORD);
+ }
+ loadingTask._capability.reject(
+ new PasswordException(exception.message, exception.code));
+ }, this);
+
+ messageHandler.on('IncorrectPassword',
+ function transportIncorrectPassword(exception) {
+ var loadingTask = this.loadingTask;
+ if (loadingTask.onPassword) {
+ return loadingTask.onPassword(updatePassword,
+ PasswordResponses.INCORRECT_PASSWORD);
+ }
+ loadingTask._capability.reject(
+ new PasswordException(exception.message, exception.code));
+ }, this);
+
+ messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
+ this.loadingTask._capability.reject(
+ new InvalidPDFException(exception.message));
+ }, this);
+
+ messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
+ this.loadingTask._capability.reject(
+ new MissingPDFException(exception.message));
+ }, this);
+
+ messageHandler.on('UnexpectedResponse',
+ function transportUnexpectedResponse(exception) {
+ this.loadingTask._capability.reject(
+ new UnexpectedResponseException(exception.message, exception.status));
+ }, this);
+
+ messageHandler.on('UnknownError',
+ function transportUnknownError(exception) {
+ this.loadingTask._capability.reject(
+ new UnknownErrorException(exception.message, exception.details));
+ }, this);
+
+ messageHandler.on('DataLoaded', function transportPage(data) {
+ this.downloadInfoCapability.resolve(data);
+ }, this);
+
+ messageHandler.on('PDFManagerReady', function transportPage(data) {
+ if (this.pdfDataRangeTransport) {
+ this.pdfDataRangeTransport.transportReady();
+ }
+ }, this);
+
+ messageHandler.on('StartRenderPage', function transportRender(data) {
+ if (this.destroyed) {
+ return; // Ignore any pending requests if the worker was terminated.
+ }
+ var page = this.pageCache[data.pageIndex];
+
+ page.stats.timeEnd('Page Request');
+ page._startRenderPage(data.transparency, data.intent);
+ }, this);
+
+ messageHandler.on('RenderPageChunk', function transportRender(data) {
+ if (this.destroyed) {
+ return; // Ignore any pending requests if the worker was terminated.
+ }
+ var page = this.pageCache[data.pageIndex];
+
+ page._renderPageChunk(data.operatorList, data.intent);
+ }, this);
+
+ messageHandler.on('commonobj', function transportObj(data) {
+ if (this.destroyed) {
+ return; // Ignore any pending requests if the worker was terminated.
+ }
+
+ var id = data[0];
+ var type = data[1];
+ if (this.commonObjs.hasData(id)) {
+ return;
+ }
+
+ switch (type) {
+ case 'Font':
+ var exportedData = data[2];
+
+ if ('error' in exportedData) {
+ var exportedError = exportedData.error;
+ warn('Error during font loading: ' + exportedError);
+ this.commonObjs.resolve(id, exportedError);
+ break;
+ }
+ var fontRegistry = null;
+ if (getDefaultSetting('pdfBug') && globalScope.FontInspector &&
+ globalScope['FontInspector'].enabled) {
+ fontRegistry = {
+ registerFont: function (font, url) {
+ globalScope['FontInspector'].fontAdded(font, url);
+ }
+ };
+ }
+ var font = new FontFaceObject(exportedData, {
+ isEvalSuported: getDefaultSetting('isEvalSupported'),
+ disableFontFace: getDefaultSetting('disableFontFace'),
+ fontRegistry: fontRegistry
+ });
+
+ this.fontLoader.bind(
+ [font],
+ function fontReady(fontObjs) {
+ this.commonObjs.resolve(id, font);
+ }.bind(this)
+ );
+ break;
+ case 'FontPath':
+ this.commonObjs.resolve(id, data[2]);
+ break;
+ default:
+ error('Got unknown common object type ' + type);
+ }
+ }, this);
+
+ messageHandler.on('obj', function transportObj(data) {
+ if (this.destroyed) {
+ return; // Ignore any pending requests if the worker was terminated.
+ }
+
+ var id = data[0];
+ var pageIndex = data[1];
+ var type = data[2];
+ var pageProxy = this.pageCache[pageIndex];
+ var imageData;
+ if (pageProxy.objs.hasData(id)) {
+ return;
+ }
+
+ switch (type) {
+ case 'JpegStream':
+ imageData = data[3];
+ loadJpegStream(id, imageData, pageProxy.objs);
+ break;
+ case 'Image':
+ imageData = data[3];
+ pageProxy.objs.resolve(id, imageData);
+
+ // heuristics that will allow not to store large data
+ var MAX_IMAGE_SIZE_TO_STORE = 8000000;
+ if (imageData && 'data' in imageData &&
+ imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
+ pageProxy.cleanupAfterRender = true;
+ }
+ break;
+ default:
+ error('Got unknown object type ' + type);
+ }
+ }, this);
+
+ messageHandler.on('DocProgress', function transportDocProgress(data) {
+ if (this.destroyed) {
+ return; // Ignore any pending requests if the worker was terminated.
+ }
+
+ var loadingTask = this.loadingTask;
+ if (loadingTask.onProgress) {
+ loadingTask.onProgress({
+ loaded: data.loaded,
+ total: data.total
+ });
+ }
+ }, this);
+
+ messageHandler.on('PageError', function transportError(data) {
+ if (this.destroyed) {
+ return; // Ignore any pending requests if the worker was terminated.
+ }
+
+ var page = this.pageCache[data.pageNum - 1];
+ var intentState = page.intentStates[data.intent];
+
+ if (intentState.displayReadyCapability) {
+ intentState.displayReadyCapability.reject(data.error);
+ } else {
+ error(data.error);
+ }
+
+ if (intentState.operatorList) {
+ // Mark operator list as complete.
+ intentState.operatorList.lastChunk = true;
+ for (var i = 0; i < intentState.renderTasks.length; i++) {
+ intentState.renderTasks[i].operatorListChanged();
+ }
+ }
+ }, this);
+
+ messageHandler.on('UnsupportedFeature',
+ function transportUnsupportedFeature(data) {
+ if (this.destroyed) {
+ return; // Ignore any pending requests if the worker was terminated.
+ }
+ var featureId = data.featureId;
+ var loadingTask = this.loadingTask;
+ if (loadingTask.onUnsupportedFeature) {
+ loadingTask.onUnsupportedFeature(featureId);
+ }
+ _UnsupportedManager.notify(featureId);
+ }, this);
+
+ messageHandler.on('JpegDecode', function(data) {
+ if (this.destroyed) {
+ return Promise.reject(new Error('Worker was destroyed'));
+ }
+
+ var imageUrl = data[0];
+ var components = data[1];
+ if (components !== 3 && components !== 1) {
+ return Promise.reject(
+ new Error('Only 3 components or 1 component can be returned'));
+ }
+
+ return new Promise(function (resolve, reject) {
+ var img = new Image();
+ img.onload = function () {
+ var width = img.width;
+ var height = img.height;
+ var size = width * height;
+ var rgbaLength = size * 4;
+ var buf = new Uint8Array(size * components);
+ var tmpCanvas = createScratchCanvas(width, height);
+ var tmpCtx = tmpCanvas.getContext('2d');
+ tmpCtx.drawImage(img, 0, 0);
+ var data = tmpCtx.getImageData(0, 0, width, height).data;
+ var i, j;
+
+ if (components === 3) {
+ for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
+ buf[j] = data[i];
+ buf[j + 1] = data[i + 1];
+ buf[j + 2] = data[i + 2];
+ }
+ } else if (components === 1) {
+ for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
+ buf[j] = data[i];
+ }
+ }
+ resolve({ data: buf, width: width, height: height});
+ };
+ img.onerror = function () {
+ reject(new Error('JpegDecode failed to load image'));
+ };
+ img.src = imageUrl;
+ });
+ }, this);
+ },
+
+ getData: function WorkerTransport_getData() {
+ return this.messageHandler.sendWithPromise('GetData', null);
+ },
+
+ getPage: function WorkerTransport_getPage(pageNumber, capability) {
+ if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
+ return Promise.reject(new Error('Invalid page request'));
+ }
+
+ var pageIndex = pageNumber - 1;
+ if (pageIndex in this.pagePromises) {
+ return this.pagePromises[pageIndex];
+ }
+ var promise = this.messageHandler.sendWithPromise('GetPage', {
+ pageIndex: pageIndex
+ }).then(function (pageInfo) {
+ if (this.destroyed) {
+ throw new Error('Transport destroyed');
+ }
+ var page = new PDFPageProxy(pageIndex, pageInfo, this);
+ this.pageCache[pageIndex] = page;
+ return page;
+ }.bind(this));
+ this.pagePromises[pageIndex] = promise;
+ return promise;
+ },
+
+ getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
+ return this.messageHandler.sendWithPromise('GetPageIndex', {
+ ref: ref,
+ }).catch(function (reason) {
+ return Promise.reject(new Error(reason));
+ });
+ },
+
+ getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
+ return this.messageHandler.sendWithPromise('GetAnnotations', {
+ pageIndex: pageIndex,
+ intent: intent,
+ });
+ },
+
+ getDestinations: function WorkerTransport_getDestinations() {
+ return this.messageHandler.sendWithPromise('GetDestinations', null);
+ },
+
+ getDestination: function WorkerTransport_getDestination(id) {
+ return this.messageHandler.sendWithPromise('GetDestination', { id: id });
+ },
+
+ getPageLabels: function WorkerTransport_getPageLabels() {
+ return this.messageHandler.sendWithPromise('GetPageLabels', null);
+ },
+
+ getAttachments: function WorkerTransport_getAttachments() {
+ return this.messageHandler.sendWithPromise('GetAttachments', null);
+ },
+
+ getJavaScript: function WorkerTransport_getJavaScript() {
+ return this.messageHandler.sendWithPromise('GetJavaScript', null);
+ },
+
+ getOutline: function WorkerTransport_getOutline() {
+ return this.messageHandler.sendWithPromise('GetOutline', null);
+ },
+
+ getMetadata: function WorkerTransport_getMetadata() {
+ return this.messageHandler.sendWithPromise('GetMetadata', null).
+ then(function transportMetadata(results) {
+ return {
+ info: results[0],
+ metadata: (results[1] ? new Metadata(results[1]) : null)
+ };
+ });
+ },
+
+ getStats: function WorkerTransport_getStats() {
+ return this.messageHandler.sendWithPromise('GetStats', null);
+ },
+
+ startCleanup: function WorkerTransport_startCleanup() {
+ this.messageHandler.sendWithPromise('Cleanup', null).
+ then(function endCleanup() {
+ for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
+ var page = this.pageCache[i];
+ if (page) {
+ page.cleanup();
+ }
+ }
+ this.commonObjs.clear();
+ this.fontLoader.clear();
+ }.bind(this));
+ }
+ };
+ return WorkerTransport;
+
+})();
+
+/**
+ * A PDF document and page is built of many objects. E.g. there are objects
+ * for fonts, images, rendering code and such. These objects might get processed
+ * inside of a worker. The `PDFObjects` implements some basic functions to
+ * manage these objects.
+ * @ignore
+ */
+var PDFObjects = (function PDFObjectsClosure() {
+ function PDFObjects() {
+ this.objs = Object.create(null);
+ }
+
+ PDFObjects.prototype = {
+ /**
+ * Internal function.
+ * Ensures there is an object defined for `objId`.
+ */
+ ensureObj: function PDFObjects_ensureObj(objId) {
+ if (this.objs[objId]) {
+ return this.objs[objId];
+ }
+
+ var obj = {
+ capability: createPromiseCapability(),
+ data: null,
+ resolved: false
+ };
+ this.objs[objId] = obj;
+
+ return obj;
+ },
+
+ /**
+ * If called *without* callback, this returns the data of `objId` but the
+ * object needs to be resolved. If it isn't, this function throws.
+ *
+ * If called *with* a callback, the callback is called with the data of the
+ * object once the object is resolved. That means, if you call this
+ * function and the object is already resolved, the callback gets called
+ * right away.
+ */
+ get: function PDFObjects_get(objId, callback) {
+ // If there is a callback, then the get can be async and the object is
+ // not required to be resolved right now
+ if (callback) {
+ this.ensureObj(objId).capability.promise.then(callback);
+ return null;
+ }
+
+ // If there isn't a callback, the user expects to get the resolved data
+ // directly.
+ var obj = this.objs[objId];
+
+ // If there isn't an object yet or the object isn't resolved, then the
+ // data isn't ready yet!
+ if (!obj || !obj.resolved) {
+ error('Requesting object that isn\'t resolved yet ' + objId);
+ }
+
+ return obj.data;
+ },
+
+ /**
+ * Resolves the object `objId` with optional `data`.
+ */
+ resolve: function PDFObjects_resolve(objId, data) {
+ var obj = this.ensureObj(objId);
+
+ obj.resolved = true;
+ obj.data = data;
+ obj.capability.resolve(data);
+ },
+
+ isResolved: function PDFObjects_isResolved(objId) {
+ var objs = this.objs;
+
+ if (!objs[objId]) {
+ return false;
+ } else {
+ return objs[objId].resolved;
+ }
+ },
+
+ hasData: function PDFObjects_hasData(objId) {
+ return this.isResolved(objId);
+ },
+
+ /**
+ * Returns the data of `objId` if object exists, null otherwise.
+ */
+ getData: function PDFObjects_getData(objId) {
+ var objs = this.objs;
+ if (!objs[objId] || !objs[objId].resolved) {
+ return null;
+ } else {
+ return objs[objId].data;
+ }
+ },
+
+ clear: function PDFObjects_clear() {
+ this.objs = Object.create(null);
+ }
+ };
+ return PDFObjects;
+})();
+
+/**
+ * Allows controlling of the rendering tasks.
+ * @class
+ * @alias RenderTask
+ */
+var RenderTask = (function RenderTaskClosure() {
+ function RenderTask(internalRenderTask) {
+ this._internalRenderTask = internalRenderTask;
+
+ /**
+ * Callback for incremental rendering -- a function that will be called
+ * each time the rendering is paused. To continue rendering call the
+ * function that is the first argument to the callback.
+ * @type {function}
+ */
+ this.onContinue = null;
+ }
+
+ RenderTask.prototype = /** @lends RenderTask.prototype */ {
+ /**
+ * Promise for rendering task completion.
+ * @return {Promise}
+ */
+ get promise() {
+ return this._internalRenderTask.capability.promise;
+ },
+
+ /**
+ * Cancels the rendering task. If the task is currently rendering it will
+ * not be cancelled until graphics pauses with a timeout. The promise that
+ * this object extends will resolved when cancelled.
+ */
+ cancel: function RenderTask_cancel() {
+ this._internalRenderTask.cancel();
+ },
+
+ /**
+ * Registers callbacks to indicate the rendering task completion.
+ *
+ * @param {function} onFulfilled The callback for the rendering completion.
+ * @param {function} onRejected The callback for the rendering failure.
+ * @return {Promise} A promise that is resolved after the onFulfilled or
+ * onRejected callback.
+ */
+ then: function RenderTask_then(onFulfilled, onRejected) {
+ return this.promise.then.apply(this.promise, arguments);
+ }
+ };
+
+ return RenderTask;
+})();
+
+/**
+ * For internal use only.
+ * @ignore
+ */
+var InternalRenderTask = (function InternalRenderTaskClosure() {
+
+ function InternalRenderTask(callback, params, objs, commonObjs, operatorList,
+ pageNumber) {
+ this.callback = callback;
+ this.params = params;
+ this.objs = objs;
+ this.commonObjs = commonObjs;
+ this.operatorListIdx = null;
+ this.operatorList = operatorList;
+ this.pageNumber = pageNumber;
+ this.running = false;
+ this.graphicsReadyCallback = null;
+ this.graphicsReady = false;
+ this.useRequestAnimationFrame = false;
+ this.cancelled = false;
+ this.capability = createPromiseCapability();
+ this.task = new RenderTask(this);
+ // caching this-bound methods
+ this._continueBound = this._continue.bind(this);
+ this._scheduleNextBound = this._scheduleNext.bind(this);
+ this._nextBound = this._next.bind(this);
+ }
+
+ InternalRenderTask.prototype = {
+
+ initializeGraphics:
+ function InternalRenderTask_initializeGraphics(transparency) {
+
+ if (this.cancelled) {
+ return;
+ }
+ if (getDefaultSetting('pdfBug') && globalScope.StepperManager &&
+ globalScope.StepperManager.enabled) {
+ this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);
+ this.stepper.init(this.operatorList);
+ this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
+ }
+
+ var params = this.params;
+ this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs,
+ this.objs, params.imageLayer);
+
+ this.gfx.beginDrawing(params.transform, params.viewport, transparency);
+ this.operatorListIdx = 0;
+ this.graphicsReady = true;
+ if (this.graphicsReadyCallback) {
+ this.graphicsReadyCallback();
+ }
+ },
+
+ cancel: function InternalRenderTask_cancel() {
+ this.running = false;
+ this.cancelled = true;
+ this.callback('cancelled');
+ },
+
+ operatorListChanged: function InternalRenderTask_operatorListChanged() {
+ if (!this.graphicsReady) {
+ if (!this.graphicsReadyCallback) {
+ this.graphicsReadyCallback = this._continueBound;
+ }
+ return;
+ }
+
+ if (this.stepper) {
+ this.stepper.updateOperatorList(this.operatorList);
+ }
+
+ if (this.running) {
+ return;
+ }
+ this._continue();
+ },
+
+ _continue: function InternalRenderTask__continue() {
+ this.running = true;
+ if (this.cancelled) {
+ return;
+ }
+ if (this.task.onContinue) {
+ this.task.onContinue.call(this.task, this._scheduleNextBound);
+ } else {
+ this._scheduleNext();
+ }
+ },
+
+ _scheduleNext: function InternalRenderTask__scheduleNext() {
+ if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
+ window.requestAnimationFrame(this._nextBound);
+ } else {
+ Promise.resolve(undefined).then(this._nextBound);
+ }
+ },
+
+ _next: function InternalRenderTask__next() {
+ if (this.cancelled) {
+ return;
+ }
+ this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList,
+ this.operatorListIdx,
+ this._continueBound,
+ this.stepper);
+ if (this.operatorListIdx === this.operatorList.argsArray.length) {
+ this.running = false;
+ if (this.operatorList.lastChunk) {
+ this.gfx.endDrawing();
+ this.callback();
+ }
+ }
+ }
+
+ };
+
+ return InternalRenderTask;
+})();
+
+/**
+ * (Deprecated) Global observer of unsupported feature usages. Use
+ * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance.
+ */
+var _UnsupportedManager = (function UnsupportedManagerClosure() {
+ var listeners = [];
+ return {
+ listen: function (cb) {
+ deprecated('Global UnsupportedManager.listen is used: ' +
+ ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
+ listeners.push(cb);
+ },
+ notify: function (featureId) {
+ for (var i = 0, ii = listeners.length; i < ii; i++) {
+ listeners[i](featureId);
+ }
+ }
+ };
+})();
+
+if (typeof pdfjsVersion !== 'undefined') {
+ exports.version = pdfjsVersion;
+}
+if (typeof pdfjsBuild !== 'undefined') {
+ exports.build = pdfjsBuild;
+}
+
+exports.getDocument = getDocument;
+exports.PDFDataRangeTransport = PDFDataRangeTransport;
+exports.PDFWorker = PDFWorker;
+exports.PDFDocumentProxy = PDFDocumentProxy;
+exports.PDFPageProxy = PDFPageProxy;
+exports._UnsupportedManager = _UnsupportedManager;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsDisplayGlobal = {}), root.pdfjsSharedUtil,
+ root.pdfjsDisplayDOMUtils, root.pdfjsDisplayAPI,
+ root.pdfjsDisplayAnnotationLayer, root.pdfjsDisplayTextLayer,
+ root.pdfjsDisplayMetadata, root.pdfjsDisplaySVG);
+ }
+}(this, function (exports, sharedUtil, displayDOMUtils, displayAPI,
+ displayAnnotationLayer, displayTextLayer, displayMetadata,
+ displaySVG) {
+
+ var globalScope = sharedUtil.globalScope;
+ var deprecated = sharedUtil.deprecated;
+ var warn = sharedUtil.warn;
+ var LinkTarget = displayDOMUtils.LinkTarget;
+
+ var isWorker = (typeof window === 'undefined');
+
+ // The global PDFJS object is now deprecated and will not be supported in
+ // the future. The members below are maintained for backward compatibility
+ // and shall not be extended or modified. If the global.js is included as
+ // a module, we will create a global PDFJS object instance or use existing.
+ if (!globalScope.PDFJS) {
+ globalScope.PDFJS = {};
+ }
+ var PDFJS = globalScope.PDFJS;
+
+ if (typeof pdfjsVersion !== 'undefined') {
+ PDFJS.version = pdfjsVersion;
+ }
+ if (typeof pdfjsBuild !== 'undefined') {
+ PDFJS.build = pdfjsBuild;
+ }
+
+ PDFJS.pdfBug = false;
+
+ if (PDFJS.verbosity !== undefined) {
+ sharedUtil.setVerbosityLevel(PDFJS.verbosity);
+ }
+ delete PDFJS.verbosity;
+ Object.defineProperty(PDFJS, 'verbosity', {
+ get: function () { return sharedUtil.getVerbosityLevel(); },
+ set: function (level) { sharedUtil.setVerbosityLevel(level); },
+ enumerable: true,
+ configurable: true
+ });
+
+ PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS;
+ PDFJS.OPS = sharedUtil.OPS;
+ PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
+ PDFJS.isValidUrl = sharedUtil.isValidUrl;
+ PDFJS.shadow = sharedUtil.shadow;
+ PDFJS.createBlob = sharedUtil.createBlob;
+ PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
+ return sharedUtil.createObjectURL(data, contentType,
+ PDFJS.disableCreateObjectURL);
+ };
+ Object.defineProperty(PDFJS, 'isLittleEndian', {
+ configurable: true,
+ get: function PDFJS_isLittleEndian() {
+ var value = sharedUtil.isLittleEndian();
+ return sharedUtil.shadow(PDFJS, 'isLittleEndian', value);
+ }
+ });
+ PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters;
+ PDFJS.PasswordResponses = sharedUtil.PasswordResponses;
+ PDFJS.PasswordException = sharedUtil.PasswordException;
+ PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException;
+ PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException;
+ PDFJS.MissingPDFException = sharedUtil.MissingPDFException;
+ PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
+ PDFJS.Util = sharedUtil.Util;
+ PDFJS.PageViewport = sharedUtil.PageViewport;
+ PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability;
+
+ /**
+ * The maximum allowed image size in total pixels e.g. width * height. Images
+ * above this value will not be drawn. Use -1 for no limit.
+ * @var {number}
+ */
+ PDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ?
+ -1 : PDFJS.maxImageSize);
+
+ /**
+ * The url of where the predefined Adobe CMaps are located. Include trailing
+ * slash.
+ * @var {string}
+ */
+ PDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl);
+
+ /**
+ * Specifies if CMaps are binary packed.
+ * @var {boolean}
+ */
+ PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
+
+ /**
+ * By default fonts are converted to OpenType fonts and loaded via font face
+ * rules. If disabled, the font will be rendered using a built in font
+ * renderer that constructs the glyphs with primitive path commands.
+ * @var {boolean}
+ */
+ PDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ?
+ false : PDFJS.disableFontFace);
+
+ /**
+ * Path for image resources, mainly for annotation icons. Include trailing
+ * slash.
+ * @var {string}
+ */
+ PDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ?
+ '' : PDFJS.imageResourcesPath);
+
+ /**
+ * Disable the web worker and run all code on the main thread. This will
+ * happen automatically if the browser doesn't support workers or sending
+ * typed arrays to workers.
+ * @var {boolean}
+ */
+ PDFJS.disableWorker = (PDFJS.disableWorker === undefined ?
+ false : PDFJS.disableWorker);
+
+ /**
+ * Path and filename of the worker file. Required when the worker is enabled
+ * in development mode. If unspecified in the production build, the worker
+ * will be loaded based on the location of the pdf.js file. It is recommended
+ * that the workerSrc is set in a custom application to prevent issues caused
+ * by third-party frameworks and libraries.
+ * @var {string}
+ */
+ PDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc);
+
+ /**
+ * Disable range request loading of PDF files. When enabled and if the server
+ * supports partial content requests then the PDF will be fetched in chunks.
+ * Enabled (false) by default.
+ * @var {boolean}
+ */
+ PDFJS.disableRange = (PDFJS.disableRange === undefined ?
+ false : PDFJS.disableRange);
+
+ /**
+ * Disable streaming of PDF file data. By default PDF.js attempts to load PDF
+ * in chunks. This default behavior can be disabled.
+ * @var {boolean}
+ */
+ PDFJS.disableStream = (PDFJS.disableStream === undefined ?
+ false : PDFJS.disableStream);
+
+ /**
+ * Disable pre-fetching of PDF file data. When range requests are enabled
+ * PDF.js will automatically keep fetching more data even if it isn't needed
+ * to display the current page. This default behavior can be disabled.
+ *
+ * NOTE: It is also necessary to disable streaming, see above,
+ * in order for disabling of pre-fetching to work correctly.
+ * @var {boolean}
+ */
+ PDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ?
+ false : PDFJS.disableAutoFetch);
+
+ /**
+ * Enables special hooks for debugging PDF.js.
+ * @var {boolean}
+ */
+ PDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug);
+
+ /**
+ * Enables transfer usage in postMessage for ArrayBuffers.
+ * @var {boolean}
+ */
+ PDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ?
+ true : PDFJS.postMessageTransfers);
+
+ /**
+ * Disables URL.createObjectURL usage.
+ * @var {boolean}
+ */
+ PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ?
+ false : PDFJS.disableCreateObjectURL);
+
+ /**
+ * Disables WebGL usage.
+ * @var {boolean}
+ */
+ PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ?
+ true : PDFJS.disableWebGL);
+
+ /**
+ * Specifies the |target| attribute for external links.
+ * The constants from PDFJS.LinkTarget should be used:
+ * - NONE [default]
+ * - SELF
+ * - BLANK
+ * - PARENT
+ * - TOP
+ * @var {number}
+ */
+ PDFJS.externalLinkTarget = (PDFJS.externalLinkTarget === undefined ?
+ LinkTarget.NONE : PDFJS.externalLinkTarget);
+
+ /**
+ * Specifies the |rel| attribute for external links. Defaults to stripping
+ * the referrer.
+ * @var {string}
+ */
+ PDFJS.externalLinkRel = (PDFJS.externalLinkRel === undefined ?
+ 'noreferrer' : PDFJS.externalLinkRel);
+
+ /**
+ * Determines if we can eval strings as JS. Primarily used to improve
+ * performance for font rendering.
+ * @var {boolean}
+ */
+ PDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ?
+ true : PDFJS.isEvalSupported);
+
+ var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
+ delete PDFJS.openExternalLinksInNewWindow;
+ Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
+ get: function () {
+ return PDFJS.externalLinkTarget === LinkTarget.BLANK;
+ },
+ set: function (value) {
+ if (value) {
+ deprecated('PDFJS.openExternalLinksInNewWindow, please use ' +
+ '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
+ }
+ if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {
+ warn('PDFJS.externalLinkTarget is already initialized');
+ return;
+ }
+ PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;
+ },
+ enumerable: true,
+ configurable: true
+ });
+ if (savedOpenExternalLinksInNewWindow) {
+ /**
+ * (Deprecated) Opens external links in a new window if enabled.
+ * The default behavior opens external links in the PDF.js window.
+ *
+ * NOTE: This property has been deprecated, please use
+ * `PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK` instead.
+ * @var {boolean}
+ */
+ PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
+ }
+
+ PDFJS.getDocument = displayAPI.getDocument;
+ PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
+ PDFJS.PDFWorker = displayAPI.PDFWorker;
+
+ Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
+ configurable: true,
+ get: function PDFJS_hasCanvasTypedArrays() {
+ var value = displayDOMUtils.hasCanvasTypedArrays();
+ return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
+ }
+ });
+ PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
+ PDFJS.LinkTarget = LinkTarget;
+ PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
+ PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
+ PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
+
+ PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer;
+
+ PDFJS.renderTextLayer = displayTextLayer.renderTextLayer;
+
+ PDFJS.Metadata = displayMetadata.Metadata;
+
+ PDFJS.SVGGraphics = displaySVG.SVGGraphics;
+
+ PDFJS.UnsupportedManager = displayAPI._UnsupportedManager;
+
+ exports.globalScope = globalScope;
+ exports.isWorker = isWorker;
+ exports.PDFJS = globalScope.PDFJS;
+}));
+ }).call(pdfjsLibs);
+
+ exports.PDFJS = pdfjsLibs.pdfjsDisplayGlobal.PDFJS;
+ exports.build = pdfjsLibs.pdfjsDisplayAPI.build;
+ exports.version = pdfjsLibs.pdfjsDisplayAPI.version;
+ exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument;
+ exports.PDFDataRangeTransport =
+ pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport;
+ exports.PDFWorker = pdfjsLibs.pdfjsDisplayAPI.PDFWorker;
+ exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer;
+ exports.AnnotationLayer =
+ pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer;
+ exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle;
+ exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses;
+ exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException;
+ exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException;
+ exports.SVGGraphics = pdfjsLibs.pdfjsDisplaySVG.SVGGraphics;
+ exports.UnexpectedResponseException =
+ pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException;
+ exports.OPS = pdfjsLibs.pdfjsSharedUtil.OPS;
+ exports.UNSUPPORTED_FEATURES = pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES;
+ exports.isValidUrl = pdfjsLibs.pdfjsSharedUtil.isValidUrl;
+ exports.createObjectURL = pdfjsLibs.pdfjsSharedUtil.createObjectURL;
+ exports.removeNullCharacters = pdfjsLibs.pdfjsSharedUtil.removeNullCharacters;
+ exports.shadow = pdfjsLibs.pdfjsSharedUtil.shadow;
+ exports.createBlob = pdfjsLibs.pdfjsSharedUtil.createBlob;
+ exports.getFilenameFromUrl =
+ pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl;
+ exports.addLinkAttributes = pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes;
+}));
+
diff --git a/dist/js/pdf.min.js b/dist/js/pdf.min.js
new file mode 100644
index 0000000..38bd4aa
--- /dev/null
+++ b/dist/js/pdf.min.js
@@ -0,0 +1,8 @@
+(function(root,factory){"use strict";if(typeof define==="function"&&define.amd){define("pdfjs-dist/build/pdf",["exports"],factory)}else if(typeof exports!=="undefined"){factory(exports)}else{factory(root.pdfjsDistBuildPdf={})}})(this,function(exports){"use strict";var pdfjsVersion="1.6.210";var pdfjsBuild="4ce2356";var pdfjsFilePath=typeof document!=="undefined"&&document.currentScript?document.currentScript.src:null;var pdfjsLibs={};(function pdfjsWrapper(){(function(root,factory){{factory(root.pdfjsSharedUtil={})}})(this,function(exports){var globalScope=typeof window!=="undefined"?window:typeof global!=="undefined"?global:typeof self!=="undefined"?self:this;var FONT_IDENTITY_MATRIX=[.001,0,0,.001,0,0];var TextRenderingMode={FILL:0,STROKE:1,FILL_STROKE:2,INVISIBLE:3,FILL_ADD_TO_PATH:4,STROKE_ADD_TO_PATH:5,FILL_STROKE_ADD_TO_PATH:6,ADD_TO_PATH:7,FILL_STROKE_MASK:3,ADD_TO_PATH_FLAG:4};var ImageKind={GRAYSCALE_1BPP:1,RGB_24BPP:2,RGBA_32BPP:3};var AnnotationType={TEXT:1,LINK:2,FREETEXT:3,LINE:4,SQUARE:5,CIRCLE:6,POLYGON:7,POLYLINE:8,HIGHLIGHT:9,UNDERLINE:10,SQUIGGLY:11,STRIKEOUT:12,STAMP:13,CARET:14,INK:15,POPUP:16,FILEATTACHMENT:17,SOUND:18,MOVIE:19,WIDGET:20,SCREEN:21,PRINTERMARK:22,TRAPNET:23,WATERMARK:24,THREED:25,REDACT:26};var AnnotationFlag={INVISIBLE:1,HIDDEN:2,PRINT:4,NOZOOM:8,NOROTATE:16,NOVIEW:32,READONLY:64,LOCKED:128,TOGGLENOVIEW:256,LOCKEDCONTENTS:512};var AnnotationFieldFlag={READONLY:1,REQUIRED:2,NOEXPORT:4,MULTILINE:4096,PASSWORD:8192,NOTOGGLETOOFF:16384,RADIO:32768,PUSHBUTTON:65536,COMBO:131072,EDIT:262144,SORT:524288,FILESELECT:1048576,MULTISELECT:2097152,DONOTSPELLCHECK:4194304,DONOTSCROLL:8388608,COMB:16777216,RICHTEXT:33554432,RADIOSINUNISON:33554432,COMMITONSELCHANGE:67108864};var AnnotationBorderStyleType={SOLID:1,DASHED:2,BEVELED:3,INSET:4,UNDERLINE:5};var StreamType={UNKNOWN:0,FLATE:1,LZW:2,DCT:3,JPX:4,JBIG:5,A85:6,AHX:7,CCF:8,RL:9};var FontType={UNKNOWN:0,TYPE1:1,TYPE1C:2,CIDFONTTYPE0:3,CIDFONTTYPE0C:4,TRUETYPE:5,CIDFONTTYPE2:6,TYPE3:7,OPENTYPE:8,TYPE0:9,MMTYPE1:10};var VERBOSITY_LEVELS={errors:0,warnings:1,infos:5};var OPS={dependency:1,setLineWidth:2,setLineCap:3,setLineJoin:4,setMiterLimit:5,setDash:6,setRenderingIntent:7,setFlatness:8,setGState:9,save:10,restore:11,transform:12,moveTo:13,lineTo:14,curveTo:15,curveTo2:16,curveTo3:17,closePath:18,rectangle:19,stroke:20,closeStroke:21,fill:22,eoFill:23,fillStroke:24,eoFillStroke:25,closeFillStroke:26,closeEOFillStroke:27,endPath:28,clip:29,eoClip:30,beginText:31,endText:32,setCharSpacing:33,setWordSpacing:34,setHScale:35,setLeading:36,setFont:37,setTextRenderingMode:38,setTextRise:39,moveText:40,setLeadingMoveText:41,setTextMatrix:42,nextLine:43,showText:44,showSpacedText:45,nextLineShowText:46,nextLineSetSpacingShowText:47,setCharWidth:48,setCharWidthAndBounds:49,setStrokeColorSpace:50,setFillColorSpace:51,setStrokeColor:52,setStrokeColorN:53,setFillColor:54,setFillColorN:55,setStrokeGray:56,setFillGray:57,setStrokeRGBColor:58,setFillRGBColor:59,setStrokeCMYKColor:60,setFillCMYKColor:61,shadingFill:62,beginInlineImage:63,beginImageData:64,endInlineImage:65,paintXObject:66,markPoint:67,markPointProps:68,beginMarkedContent:69,beginMarkedContentProps:70,endMarkedContent:71,beginCompat:72,endCompat:73,paintFormXObjectBegin:74,paintFormXObjectEnd:75,beginGroup:76,endGroup:77,beginAnnotations:78,endAnnotations:79,beginAnnotation:80,endAnnotation:81,paintJpegXObject:82,paintImageMaskXObject:83,paintImageMaskXObjectGroup:84,paintImageXObject:85,paintInlineImageXObject:86,paintInlineImageXObjectGroup:87,paintImageXObjectRepeat:88,paintImageMaskXObjectRepeat:89,paintSolidColorImageMask:90,constructPath:91};var verbosity=VERBOSITY_LEVELS.warnings;function setVerbosityLevel(level){verbosity=level}function getVerbosityLevel(){return verbosity}function info(msg){if(verbosity>=VERBOSITY_LEVELS.infos){console.log("Info: "+msg)}}function warn(msg){if(verbosity>=VERBOSITY_LEVELS.warnings){console.log("Warning: "+msg)}}function deprecated(details){console.log("Deprecated API usage: "+details)}function error(msg){if(verbosity>=VERBOSITY_LEVELS.errors){console.log("Error: "+msg);console.log(backtrace())}throw new Error(msg)}function backtrace(){try{throw new Error}catch(e){return e.stack?e.stack.split("\n").slice(2).join("\n"):""}}function assert(cond,msg){if(!cond){error(msg)}}var UNSUPPORTED_FEATURES={unknown:"unknown",forms:"forms",javaScript:"javaScript",smask:"smask",shadingPattern:"shadingPattern",font:"font"};function isSameOrigin(baseUrl,otherUrl){try{var base=new URL(baseUrl);if(!base.origin||base.origin==="null"){return false}}catch(e){return false}var other=new URL(otherUrl,base);return base.origin===other.origin}function isValidUrl(url,allowRelative){if(!url||typeof url!=="string"){return false}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}}function shadow(obj,prop,value){Object.defineProperty(obj,prop,{value:value,enumerable:true,configurable:true,writable:false});return value}function getLookupTableFactory(initializer){var lookup;return function(){if(initializer){lookup=Object.create(null);initializer(lookup);initializer=null}return lookup}}var PasswordResponses={NEED_PASSWORD:1,INCORRECT_PASSWORD:2};var PasswordException=function PasswordExceptionClosure(){function PasswordException(msg,code){this.name="PasswordException";this.message=msg;this.code=code}PasswordException.prototype=new Error;PasswordException.constructor=PasswordException;return PasswordException}();var UnknownErrorException=function UnknownErrorExceptionClosure(){function UnknownErrorException(msg,details){this.name="UnknownErrorException";this.message=msg;this.details=details}UnknownErrorException.prototype=new Error;UnknownErrorException.constructor=UnknownErrorException;return UnknownErrorException}();var InvalidPDFException=function InvalidPDFExceptionClosure(){function InvalidPDFException(msg){this.name="InvalidPDFException";this.message=msg}InvalidPDFException.prototype=new Error;InvalidPDFException.constructor=InvalidPDFException;return InvalidPDFException}();var MissingPDFException=function MissingPDFExceptionClosure(){function MissingPDFException(msg){this.name="MissingPDFException";this.message=msg}MissingPDFException.prototype=new Error;MissingPDFException.constructor=MissingPDFException;return MissingPDFException}();var UnexpectedResponseException=function UnexpectedResponseExceptionClosure(){function UnexpectedResponseException(msg,status){this.name="UnexpectedResponseException";this.message=msg;this.status=status}UnexpectedResponseException.prototype=new Error;UnexpectedResponseException.constructor=UnexpectedResponseException;return UnexpectedResponseException}();var NotImplementedException=function NotImplementedExceptionClosure(){function NotImplementedException(msg){this.message=msg}NotImplementedException.prototype=new Error;NotImplementedException.prototype.name="NotImplementedException";NotImplementedException.constructor=NotImplementedException;return NotImplementedException}();var MissingDataException=function MissingDataExceptionClosure(){function MissingDataException(begin,end){this.begin=begin;this.end=end;this.message="Missing data ["+begin+", "+end+")"}MissingDataException.prototype=new Error;MissingDataException.prototype.name="MissingDataException";MissingDataException.constructor=MissingDataException;return MissingDataException}();var XRefParseException=function XRefParseExceptionClosure(){function XRefParseException(msg){this.message=msg}XRefParseException.prototype=new Error;XRefParseException.prototype.name="XRefParseException";XRefParseException.constructor=XRefParseException;return XRefParseException}();var NullCharactersRegExp=/\x00/g;function removeNullCharacters(str){if(typeof str!=="string"){warn("The argument for removeNullCharacters must be a string.");return str}return str.replace(NullCharactersRegExp,"")}function bytesToString(bytes){assert(bytes!==null&&typeof bytes==="object"&&bytes.length!==undefined,"Invalid argument for bytesToString");var length=bytes.length;var MAX_ARGUMENT_COUNT=8192;if(length<MAX_ARGUMENT_COUNT){return String.fromCharCode.apply(null,bytes)}var strBuf=[];for(var i=0;i<length;i+=MAX_ARGUMENT_COUNT){var chunkEnd=Math.min(i+MAX_ARGUMENT_COUNT,length);var chunk=bytes.subarray(i,chunkEnd);strBuf.push(String.fromCharCode.apply(null,chunk))}return strBuf.join("")}function stringToBytes(str){assert(typeof str==="string","Invalid argument for stringToBytes");var length=str.length;var bytes=new Uint8Array(length);for(var i=0;i<length;++i){bytes[i]=str.charCodeAt(i)&255}return bytes}function arrayByteLength(arr){if(arr.length!==undefined){return arr.length}assert(arr.byteLength!==undefined);return arr.byteLength}function arraysToBytes(arr){if(arr.length===1&&arr[0]instanceof Uint8Array){return arr[0]}var resultLength=0;var i,ii=arr.length;var item,itemLength;for(i=0;i<ii;i++){item=arr[i];itemLength=arrayByteLength(item);resultLength+=itemLength}var pos=0;var data=new Uint8Array(resultLength);for(i=0;i<ii;i++){item=arr[i];if(!(item instanceof Uint8Array)){if(typeof item==="string"){item=stringToBytes(item)}else{item=new Uint8Array(item)}}itemLength=item.byteLength;data.set(item,pos);pos+=itemLength}return data}function string32(value){return String.fromCharCode(value>>24&255,value>>16&255,value>>8&255,value&255)}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}function isLittleEndian(){var buffer8=new Uint8Array(2);buffer8[0]=1;var buffer16=new Uint16Array(buffer8.buffer);return buffer16[0]===1}function isEvalSupported(){try{new Function("");return true}catch(e){return false}}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}();exports.Uint32ArrayView=Uint32ArrayView;var IDENTITY_MATRIX=[1,0,0,1,0,0];var Util=function UtilClosure(){function Util(){}var rgbBuf=["rgb(",0,",",0,",",0,")"];Util.makeCssRgb=function Util_makeCssRgb(r,g,b){rgbBuf[1]=r;rgbBuf[3]=g;rgbBuf[5]=b;return rgbBuf.join("")};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]]};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]};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]};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]]};Util.singularValueDecompose2dScale=function Util_singularValueDecompose2dScale(m){var transpose=[m[0],m[2],m[1],m[3]];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];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;return[Math.sqrt(sx),Math.sqrt(sy)]};Util.normalizeRect=function Util_normalizeRect(rect){var r=rect.slice(0);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};Util.intersect=function Util_intersect(rect1,rect2){function compare(a,b){return a-b}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);if(orderedX[0]===rect1[0]&&orderedX[1]===rect2[0]||orderedX[0]===rect2[0]&&orderedX[1]===rect1[0]){result[0]=orderedX[1];result[2]=orderedX[2]}else{return false}if(orderedY[0]===rect1[1]&&orderedY[1]===rect2[1]||orderedY[0]===rect2[1]&&orderedY[1]===rect1[1]){result[1]=orderedY[1];result[3]=orderedY[2]}else{return false}return result};Util.sign=function Util_sign(num){return num<0?-1:1};var ROMAN_NUMBER_MAP=["","C","CC","CCC","CD","D","DC","DCC","DCCC","CM","","X","XX","XXX","XL","L","LX","LXX","LXXX","XC","","I","II","III","IV","V","VI","VII","VIII","IX"];Util.toRoman=function Util_toRoman(number,lowerCase){assert(isInt(number)&&number>0,"The number should be a positive integer.");var pos,romanBuf=[];while(number>=1e3){number-=1e3;romanBuf.push("M")}pos=number/100|0;number%=100;romanBuf.push(ROMAN_NUMBER_MAP[pos]);pos=number/10|0;number%=10;romanBuf.push(ROMAN_NUMBER_MAP[10+pos]);romanBuf.push(ROMAN_NUMBER_MAP[20+number]);var romanStr=romanBuf.join("");return lowerCase?romanStr.toLowerCase():romanStr};Util.appendToArray=function Util_appendToArray(arr1,arr2){Array.prototype.push.apply(arr1,arr2)};Util.prependToArray=function Util_prependToArray(arr1,arr2){Array.prototype.unshift.apply(arr1,arr2)};Util.extendObj=function extendObj(obj1,obj2){for(var key in obj2){obj1[key]=obj2[key]}};Util.getInheritableProperty=function Util_getInheritableProperty(dict,name){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}();var PageViewport=function PageViewportClosure(){function PageViewport(viewBox,scale,rotation,offsetX,offsetY,dontFlip){this.viewBox=viewBox;this.scale=scale;this.rotation=rotation;this.offsetX=offsetX;this.offsetY=offsetY;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;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}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={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)},convertToViewportPoint:function PageViewport_convertToViewportPoint(x,y){return Util.applyTransform([x,y],this.transform)},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]]},convertToPdfPoint:function PageViewport_convertToPdfPoint(x,y){return Util.applyInverseTransform([x,y],this.transform)}};return PageViewport}();var PDFStringTranslateTable=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,728,711,710,729,733,731,730,732,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8226,8224,8225,8230,8212,8211,402,8260,8249,8250,8722,8240,8222,8220,8221,8216,8217,8218,8482,64257,64258,321,338,352,376,381,305,322,339,353,382,0,8364];function stringToPDFString(str){var i,n=str.length,strBuf=[];if(str[0]==="þ"&&str[1]==="ÿ"){for(i=2;i<n;i+=2){strBuf.push(String.fromCharCode(str.charCodeAt(i)<<8|str.charCodeAt(i+1)))}}else{for(i=0;i<n;++i){var code=PDFStringTranslateTable[str.charCodeAt(i)];strBuf.push(code?String.fromCharCode(code):str.charAt(i))}}return strBuf.join("")}function stringToUTF8String(str){return decodeURIComponent(escape(str))}function utf8StringToString(str){return unescape(encodeURIComponent(str))}function isEmptyObj(obj){for(var key in obj){return false}return true}function isBool(v){return typeof v==="boolean"}function isInt(v){return typeof v==="number"&&(v|0)===v}function isNum(v){return typeof v==="number"}function isString(v){return typeof v==="string"}function isArray(v){return v instanceof Array}function isArrayBuffer(v){return typeof v==="object"&&v!==null&&v.byteLength!==undefined}function isSpace(ch){return ch===32||ch===9||ch===13||ch===10}function createPromiseCapability(){var capability={};capability.promise=new Promise(function(resolve,reject){capability.resolve=resolve;capability.reject=reject});return capability}(function PromiseClosure(){if(globalScope.Promise){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}var STATUS_PENDING=0;var STATUS_RESOLVED=1;var STATUS_REJECTED=2;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;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)}}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};Promise.isPromise=function Promise_isPromise(value){return value&&typeof value.then==="function"};Promise.resolve=function Promise_resolve(value){return new Promise(function(resolve){resolve(value)})};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})();(function WeakMapClosure(){if(globalScope.WeakMap){return}var id=0;function WeakMap(){this.id="$weakmap"+id++}WeakMap.prototype={has:function(obj){return!!Object.getOwnPropertyDescriptor(obj,this.id)},get:function(obj,defaultValue){return this.has(obj)?obj[this.id]:defaultValue},set:function(obj,value){Object.defineProperty(obj,this.id,{value:value,enumerable:false,configurable:true})},"delete":function(obj){delete obj[this.id]}};globalScope.WeakMap=WeakMap})();var StatTimer=function StatTimerClosure(){function rpad(str,pad,length){while(str.length<length){str+=pad}return str}function StatTimer(){this.started=Object.create(null);this.times=[];this.enabled=true}StatTimer.prototype={time:function StatTimer_time(name){if(!this.enabled){return}if(name in this.started){warn("Timer is already running for "+name)}this.started[name]=Date.now()},timeEnd:function StatTimer_timeEnd(name){if(!this.enabled){return}if(!(name in this.started)){warn("Timer has not been started for "+name)}this.times.push({name:name,start:this.started[name],end:Date.now()});delete this.started[name]},toString:function StatTimer_toString(){var i,ii;var times=this.times;var out="";var longest=0;for(i=0,ii=times.length;i<ii;++i){var name=times[i]["name"];if(name.length>longest){longest=name.length}}for(i=0,ii=times.length;i<ii;++i){var span=times[i];var duration=span.end-span.start;out+=rpad(span["name"]," ",longest)+" "+duration+"ms\n"}return out}};return StatTimer}();var createBlob=function createBlob(data,contentType){if(typeof Blob!=="undefined"){return new Blob([data],{type:contentType})}warn('The "Blob" constructor is not supported.')};var createObjectURL=function createObjectURLClosure(){var digits="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";return function createObjectURL(data,contentType,forceDataSchema){if(!forceDataSchema&&typeof URL!=="undefined"&&URL.createObjectURL){var blob=createBlob(data,contentType);return URL.createObjectURL(blob)}var buffer="data:"+contentType+";base64,";for(var i=0,ii=data.length;i<ii;i+=3){var b1=data[i]&255;var b2=data[i+1]&255;var b3=data[i+2]&255;var d1=b1>>2,d2=(b1&3)<<4|b2>>4;var d3=i+1<ii?(b2&15)<<2|b3>>6:64;var d4=i+2<ii?b3&63:64;buffer+=digits[d1]+digits[d2]+digits[d3]+digits[d4]}return buffer}}();function MessageHandler(sourceName,targetName,comObj){this.sourceName=sourceName;this.targetName=targetName;this.comObj=comObj;this.callbackIndex=1;this.postMessageTransfers=true;var callbacksCapabilities=this.callbacksCapabilities=Object.create(null);var ah=this.actionHandler=Object.create(null);this._onComObjOnMessage=function messageHandlerComObjOnMessage(event){var data=event.data;if(data.targetName!==this.sourceName){return}if(data.isReply){var callbackId=data.callbackId;if(data.callbackId in callbacksCapabilities){var callback=callbacksCapabilities[callbackId];delete callbacksCapabilities[callbackId];if("error"in data){callback.reject(data.error)}else{callback.resolve(data.data)}}else{error("Cannot resolve callback "+callbackId)}}else if(data.action in ah){var action=ah[data.action];if(data.callbackId){var sourceName=this.sourceName;var targetName=data.sourceName;Promise.resolve().then(function(){return action[0].call(action[1],data.data)}).then(function(result){comObj.postMessage({sourceName:sourceName,targetName:targetName,isReply:true,callbackId:data.callbackId,data:result})},function(reason){if(reason instanceof Error){reason=reason+""}comObj.postMessage({sourceName:sourceName,targetName:targetName,isReply:true,callbackId:data.callbackId,error:reason})})}else{action[0].call(action[1],data.data)}}else{error("Unknown action from worker: "+data.action)}}.bind(this);comObj.addEventListener("message",this._onComObjOnMessage)}MessageHandler.prototype={on:function messageHandlerOn(actionName,handler,scope){var ah=this.actionHandler;if(ah[actionName]){error('There is already an actionName called "'+actionName+'"')}ah[actionName]=[handler,scope]},send:function messageHandlerSend(actionName,data,transfers){var message={sourceName:this.sourceName,targetName:this.targetName,action:actionName,data:data};this.postMessage(message,transfers)},sendWithPromise:function messageHandlerSendWithPromise(actionName,data,transfers){var callbackId=this.callbackIndex++;var message={sourceName:this.sourceName,targetName:this.targetName,action:actionName,data:data,callbackId:callbackId};var capability=createPromiseCapability();this.callbacksCapabilities[callbackId]=capability;try{this.postMessage(message,transfers)}catch(e){capability.reject(e)}return capability.promise},postMessage:function(message,transfers){if(transfers&&this.postMessageTransfers){this.comObj.postMessage(message,transfers)}else{this.comObj.postMessage(message)}},destroy:function(){this.comObj.removeEventListener("message",this._onComObjOnMessage)}};function loadJpegStream(id,imageUrl,objs){var img=new Image;img.onload=function loadJpegStream_onloadClosure(){objs.resolve(id,img)};img.onerror=function loadJpegStream_onerrorClosure(){objs.resolve(id,null);warn("Error during JPEG image loading")};img.src=imageUrl}(function checkURLConstructor(scope){var hasWorkingUrl=false;try{if(typeof URL==="function"&&typeof URL.prototype==="object"&&"origin"in URL.prototype){var u=new URL("b","http://a");u.pathname="c%20d";hasWorkingUrl=u.href==="http://a/c%20d"}}catch(e){}if(hasWorkingUrl){return}var relative=Object.create(null);relative["ftp"]=21;relative["file"]=0;relative["gopher"]=70;relative["http"]=80;relative["https"]=443;relative["ws"]=80;relative["wss"]=443;var relativePathDotMapping=Object.create(null);relativePathDotMapping["%2e"]=".";relativePathDotMapping[".%2e"]="..";relativePathDotMapping["%2e."]="..";relativePathDotMapping["%2e%2e"]="..";function isRelativeScheme(scheme){return relative[scheme]!==undefined}function invalid(){clear.call(this);this._isInvalid=true}function IDNAToASCII(h){if(""===h){invalid.call(this)}return h.toLowerCase()}function percentEscape(c){var unicode=c.charCodeAt(0);if(unicode>32&&unicode<127&&[34,35,60,62,63,96].indexOf(unicode)===-1){return c}return encodeURIComponent(c)}function percentEscapeQuery(c){var unicode=c.charCodeAt(0);if(unicode>32&&unicode<127&&[34,35,60,62,96].indexOf(unicode)===-1){return c}return encodeURIComponent(c)}var EOF,ALPHA=/[a-zA-Z]/,ALPHANUMERIC=/[a-zA-Z0-9\+\-\.]/;function parse(input,stateOverride,base){function err(message){errors.push(message)}var state=stateOverride||"scheme start",cursor=0,buffer="",seenAt=false,seenBracket=false,errors=[];loop:while((input[cursor-1]!==EOF||cursor===0)&&!this._isInvalid){var c=input[cursor];switch(state){case"scheme start":if(c&&ALPHA.test(c)){buffer+=c.toLowerCase();state="scheme"}else if(!stateOverride){buffer="";state="no scheme";continue}else{err("Invalid scheme.");break loop}break;case"scheme":if(c&&ALPHANUMERIC.test(c)){buffer+=c.toLowerCase()}else if(":"===c){this._scheme=buffer;buffer="";if(stateOverride){break loop}if(isRelativeScheme(this._scheme)){this._isRelative=true}if("file"===this._scheme){state="relative"}else if(this._isRelative&&base&&base._scheme===this._scheme){state="relative or authority"}else if(this._isRelative){state="authority first slash"}else{state="scheme data"}}else if(!stateOverride){buffer="";cursor=0;state="no scheme";continue}else if(EOF===c){break loop}else{err("Code point not allowed in scheme: "+c);
+break loop}break;case"scheme data":if("?"===c){this._query="?";state="query"}else if("#"===c){this._fragment="#";state="fragment"}else{if(EOF!==c&&" "!==c&&"\n"!==c&&"\r"!==c){this._schemeData+=percentEscape(c)}}break;case"no scheme":if(!base||!isRelativeScheme(base._scheme)){err("Missing scheme.");invalid.call(this)}else{state="relative";continue}break;case"relative or authority":if("/"===c&&"/"===input[cursor+1]){state="authority ignore slashes"}else{err("Expected /, got: "+c);state="relative";continue}break;case"relative":this._isRelative=true;if("file"!==this._scheme){this._scheme=base._scheme}if(EOF===c){this._host=base._host;this._port=base._port;this._path=base._path.slice();this._query=base._query;this._username=base._username;this._password=base._password;break loop}else if("/"===c||"\\"===c){if("\\"===c){err("\\ is an invalid code point.")}state="relative slash"}else if("?"===c){this._host=base._host;this._port=base._port;this._path=base._path.slice();this._query="?";this._username=base._username;this._password=base._password;state="query"}else if("#"===c){this._host=base._host;this._port=base._port;this._path=base._path.slice();this._query=base._query;this._fragment="#";this._username=base._username;this._password=base._password;state="fragment"}else{var nextC=input[cursor+1];var nextNextC=input[cursor+2];if("file"!==this._scheme||!ALPHA.test(c)||nextC!==":"&&nextC!=="|"||EOF!==nextNextC&&"/"!==nextNextC&&"\\"!==nextNextC&&"?"!==nextNextC&&"#"!==nextNextC){this._host=base._host;this._port=base._port;this._username=base._username;this._password=base._password;this._path=base._path.slice();this._path.pop()}state="relative path";continue}break;case"relative slash":if("/"===c||"\\"===c){if("\\"===c){err("\\ is an invalid code point.")}if("file"===this._scheme){state="file host"}else{state="authority ignore slashes"}}else{if("file"!==this._scheme){this._host=base._host;this._port=base._port;this._username=base._username;this._password=base._password}state="relative path";continue}break;case"authority first slash":if("/"===c){state="authority second slash"}else{err("Expected '/', got: "+c);state="authority ignore slashes";continue}break;case"authority second slash":state="authority ignore slashes";if("/"!==c){err("Expected '/', got: "+c);continue}break;case"authority ignore slashes":if("/"!==c&&"\\"!==c){state="authority";continue}else{err("Expected authority, got: "+c)}break;case"authority":if("@"===c){if(seenAt){err("@ already seen.");buffer+="%40"}seenAt=true;for(var i=0;i<buffer.length;i++){var cp=buffer[i];if(" "===cp||"\n"===cp||"\r"===cp){err("Invalid whitespace in authority.");continue}if(":"===cp&&null===this._password){this._password="";continue}var tempC=percentEscape(cp);if(null!==this._password){this._password+=tempC}else{this._username+=tempC}}buffer=""}else if(EOF===c||"/"===c||"\\"===c||"?"===c||"#"===c){cursor-=buffer.length;buffer="";state="host";continue}else{buffer+=c}break;case"file host":if(EOF===c||"/"===c||"\\"===c||"?"===c||"#"===c){if(buffer.length===2&&ALPHA.test(buffer[0])&&(buffer[1]===":"||buffer[1]==="|")){state="relative path"}else if(buffer.length===0){state="relative path start"}else{this._host=IDNAToASCII.call(this,buffer);buffer="";state="relative path start"}continue}else if(" "===c||"\n"===c||"\r"===c){err("Invalid whitespace in file host.")}else{buffer+=c}break;case"host":case"hostname":if(":"===c&&!seenBracket){this._host=IDNAToASCII.call(this,buffer);buffer="";state="port";if("hostname"===stateOverride){break loop}}else if(EOF===c||"/"===c||"\\"===c||"?"===c||"#"===c){this._host=IDNAToASCII.call(this,buffer);buffer="";state="relative path start";if(stateOverride){break loop}continue}else if(" "!==c&&"\n"!==c&&"\r"!==c){if("["===c){seenBracket=true}else if("]"===c){seenBracket=false}buffer+=c}else{err("Invalid code point in host/hostname: "+c)}break;case"port":if(/[0-9]/.test(c)){buffer+=c}else if(EOF===c||"/"===c||"\\"===c||"?"===c||"#"===c||stateOverride){if(""!==buffer){var temp=parseInt(buffer,10);if(temp!==relative[this._scheme]){this._port=temp+""}buffer=""}if(stateOverride){break loop}state="relative path start";continue}else if(" "===c||"\n"===c||"\r"===c){err("Invalid code point in port: "+c)}else{invalid.call(this)}break;case"relative path start":if("\\"===c){err("'\\' not allowed in path.")}state="relative path";if("/"!==c&&"\\"!==c){continue}break;case"relative path":if(EOF===c||"/"===c||"\\"===c||!stateOverride&&("?"===c||"#"===c)){if("\\"===c){err("\\ not allowed in relative path.")}var tmp;if(tmp=relativePathDotMapping[buffer.toLowerCase()]){buffer=tmp}if(".."===buffer){this._path.pop();if("/"!==c&&"\\"!==c){this._path.push("")}}else if("."===buffer&&"/"!==c&&"\\"!==c){this._path.push("")}else if("."!==buffer){if("file"===this._scheme&&this._path.length===0&&buffer.length===2&&ALPHA.test(buffer[0])&&buffer[1]==="|"){buffer=buffer[0]+":"}this._path.push(buffer)}buffer="";if("?"===c){this._query="?";state="query"}else if("#"===c){this._fragment="#";state="fragment"}}else if(" "!==c&&"\n"!==c&&"\r"!==c){buffer+=percentEscape(c)}break;case"query":if(!stateOverride&&"#"===c){this._fragment="#";state="fragment"}else if(EOF!==c&&" "!==c&&"\n"!==c&&"\r"!==c){this._query+=percentEscapeQuery(c)}break;case"fragment":if(EOF!==c&&" "!==c&&"\n"!==c&&"\r"!==c){this._fragment+=c}break}cursor++}}function clear(){this._scheme="";this._schemeData="";this._username="";this._password=null;this._host="";this._port="";this._path=[];this._query="";this._fragment="";this._isInvalid=false;this._isRelative=false}function JURL(url,base){if(base!==undefined&&!(base instanceof JURL)){base=new JURL(String(base))}this._url=url;clear.call(this);var input=url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g,"");parse.call(this,input,null,base)}JURL.prototype={toString:function(){return this.href},get href(){if(this._isInvalid){return this._url}var authority="";if(""!==this._username||null!==this._password){authority=this._username+(null!==this._password?":"+this._password:"")+"@"}return this.protocol+(this._isRelative?"//"+authority+this.host:"")+this.pathname+this._query+this._fragment},set href(href){clear.call(this);parse.call(this,href)},get protocol(){return this._scheme+":"},set protocol(protocol){if(this._isInvalid){return}parse.call(this,protocol+":","scheme start")},get host(){return this._isInvalid?"":this._port?this._host+":"+this._port:this._host},set host(host){if(this._isInvalid||!this._isRelative){return}parse.call(this,host,"host")},get hostname(){return this._host},set hostname(hostname){if(this._isInvalid||!this._isRelative){return}parse.call(this,hostname,"hostname")},get port(){return this._port},set port(port){if(this._isInvalid||!this._isRelative){return}parse.call(this,port,"port")},get pathname(){return this._isInvalid?"":this._isRelative?"/"+this._path.join("/"):this._schemeData},set pathname(pathname){if(this._isInvalid||!this._isRelative){return}this._path=[];parse.call(this,pathname,"relative path start")},get search(){return this._isInvalid||!this._query||"?"===this._query?"":this._query},set search(search){if(this._isInvalid||!this._isRelative){return}this._query="?";if("?"===search[0]){search=search.slice(1)}parse.call(this,search,"query")},get hash(){return this._isInvalid||!this._fragment||"#"===this._fragment?"":this._fragment},set hash(hash){if(this._isInvalid){return}this._fragment="#";if("#"===hash[0]){hash=hash.slice(1)}parse.call(this,hash,"fragment")},get origin(){var host;if(this._isInvalid||!this._scheme){return""}switch(this._scheme){case"data":case"file":case"javascript":case"mailto":return"null"}host=this.host;if(!host){return""}return this._scheme+"://"+host}};var OriginalURL=scope.URL;if(OriginalURL){JURL.createObjectURL=function(blob){return OriginalURL.createObjectURL.apply(OriginalURL,arguments)};JURL.revokeObjectURL=function(url){OriginalURL.revokeObjectURL(url)}}scope.URL=JURL})(globalScope);exports.FONT_IDENTITY_MATRIX=FONT_IDENTITY_MATRIX;exports.IDENTITY_MATRIX=IDENTITY_MATRIX;exports.OPS=OPS;exports.VERBOSITY_LEVELS=VERBOSITY_LEVELS;exports.UNSUPPORTED_FEATURES=UNSUPPORTED_FEATURES;exports.AnnotationBorderStyleType=AnnotationBorderStyleType;exports.AnnotationFieldFlag=AnnotationFieldFlag;exports.AnnotationFlag=AnnotationFlag;exports.AnnotationType=AnnotationType;exports.FontType=FontType;exports.ImageKind=ImageKind;exports.InvalidPDFException=InvalidPDFException;exports.MessageHandler=MessageHandler;exports.MissingDataException=MissingDataException;exports.MissingPDFException=MissingPDFException;exports.NotImplementedException=NotImplementedException;exports.PageViewport=PageViewport;exports.PasswordException=PasswordException;exports.PasswordResponses=PasswordResponses;exports.StatTimer=StatTimer;exports.StreamType=StreamType;exports.TextRenderingMode=TextRenderingMode;exports.UnexpectedResponseException=UnexpectedResponseException;exports.UnknownErrorException=UnknownErrorException;exports.Util=Util;exports.XRefParseException=XRefParseException;exports.arrayByteLength=arrayByteLength;exports.arraysToBytes=arraysToBytes;exports.assert=assert;exports.bytesToString=bytesToString;exports.createBlob=createBlob;exports.createPromiseCapability=createPromiseCapability;exports.createObjectURL=createObjectURL;exports.deprecated=deprecated;exports.error=error;exports.getLookupTableFactory=getLookupTableFactory;exports.getVerbosityLevel=getVerbosityLevel;exports.globalScope=globalScope;exports.info=info;exports.isArray=isArray;exports.isArrayBuffer=isArrayBuffer;exports.isBool=isBool;exports.isEmptyObj=isEmptyObj;exports.isInt=isInt;exports.isNum=isNum;exports.isString=isString;exports.isSpace=isSpace;exports.isSameOrigin=isSameOrigin;exports.isValidUrl=isValidUrl;exports.isLittleEndian=isLittleEndian;exports.isEvalSupported=isEvalSupported;exports.loadJpegStream=loadJpegStream;exports.log2=log2;exports.readInt8=readInt8;exports.readUint16=readUint16;exports.readUint32=readUint32;exports.removeNullCharacters=removeNullCharacters;exports.setVerbosityLevel=setVerbosityLevel;exports.shadow=shadow;exports.string32=string32;exports.stringToBytes=stringToBytes;exports.stringToPDFString=stringToPDFString;exports.stringToUTF8String=stringToUTF8String;exports.utf8StringToString=utf8StringToString;exports.warn=warn});(function(root,factory){{factory(root.pdfjsDisplayDOMUtils={},root.pdfjsSharedUtil)}})(this,function(exports,sharedUtil){var removeNullCharacters=sharedUtil.removeNullCharacters;var warn=sharedUtil.warn;var CustomStyle=function CustomStyleClosure(){var prefixes=["ms","Moz","Webkit","O"];var _cache=Object.create(null);function CustomStyle(){}CustomStyle.getProp=function get(propName,element){if(arguments.length===1&&typeof _cache[propName]==="string"){return _cache[propName]}element=element||document.documentElement;var style=element.style,prefixed,uPropName;if(typeof style[propName]==="string"){return _cache[propName]=propName}uPropName=propName.charAt(0).toUpperCase()+propName.slice(1);for(var i=0,l=prefixes.length;i<l;i++){prefixed=prefixes[i]+uPropName;if(typeof style[prefixed]==="string"){return _cache[propName]=prefixed}}return _cache[propName]="undefined"};CustomStyle.setProp=function set(propName,element,str){var prop=this.getProp(propName);if(prop!=="undefined"){element.style[prop]=str}};return CustomStyle}();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"}var LinkTarget={NONE:0,SELF:1,BLANK:2,PARENT:3,TOP:4};var LinkTargetStringMap=["","_self","_blank","_parent","_top"];function addLinkAttributes(link,params){var url=params&&params.url;link.href=link.title=url?removeNullCharacters(url):"";if(url){var target=params.target;if(typeof target==="undefined"){target=getDefaultSetting("externalLinkTarget")}link.target=LinkTargetStringMap[target];var rel=params.rel;if(typeof rel==="undefined"){rel=getDefaultSetting("externalLinkRel")}link.rel=rel}}function getFilenameFromUrl(url){var anchor=url.indexOf("#");var query=url.indexOf("?");var end=Math.min(anchor>0?anchor:url.length,query>0?query:url.length);return url.substring(url.lastIndexOf("/",end)+1,end)}function getDefaultSetting(id){var globalSettings=sharedUtil.globalScope.PDFJS;switch(id){case"pdfBug":return globalSettings?globalSettings.pdfBug:false;case"disableAutoFetch":return globalSettings?globalSettings.disableAutoFetch:false;case"disableStream":return globalSettings?globalSettings.disableStream:false;case"disableRange":return globalSettings?globalSettings.disableRange:false;case"disableFontFace":return globalSettings?globalSettings.disableFontFace:false;case"disableCreateObjectURL":return globalSettings?globalSettings.disableCreateObjectURL:false;case"disableWebGL":return globalSettings?globalSettings.disableWebGL:true;case"cMapUrl":return globalSettings?globalSettings.cMapUrl:null;case"cMapPacked":return globalSettings?globalSettings.cMapPacked:false;case"postMessageTransfers":return globalSettings?globalSettings.postMessageTransfers:true;case"workerSrc":return globalSettings?globalSettings.workerSrc:null;case"disableWorker":return globalSettings?globalSettings.disableWorker:false;case"maxImageSize":return globalSettings?globalSettings.maxImageSize:-1;case"imageResourcesPath":return globalSettings?globalSettings.imageResourcesPath:"";case"isEvalSupported":return globalSettings?globalSettings.isEvalSupported:true;case"externalLinkTarget":if(!globalSettings){return LinkTarget.NONE}switch(globalSettings.externalLinkTarget){case LinkTarget.NONE:case LinkTarget.SELF:case LinkTarget.BLANK:case LinkTarget.PARENT:case LinkTarget.TOP:return globalSettings.externalLinkTarget}warn("PDFJS.externalLinkTarget is invalid: "+globalSettings.externalLinkTarget);globalSettings.externalLinkTarget=LinkTarget.NONE;return LinkTarget.NONE;case"externalLinkRel":return globalSettings?globalSettings.externalLinkRel:"noreferrer";case"enableStats":return!!(globalSettings&&globalSettings.enableStats);default:throw new Error("Unknown default setting: "+id)}}function isExternalLinkTargetSet(){var externalLinkTarget=getDefaultSetting("externalLinkTarget");switch(externalLinkTarget){case LinkTarget.NONE:return false;case LinkTarget.SELF:case LinkTarget.BLANK:case LinkTarget.PARENT:case LinkTarget.TOP:return true}}exports.CustomStyle=CustomStyle;exports.addLinkAttributes=addLinkAttributes;exports.isExternalLinkTargetSet=isExternalLinkTargetSet;exports.getFilenameFromUrl=getFilenameFromUrl;exports.LinkTarget=LinkTarget;exports.hasCanvasTypedArrays=hasCanvasTypedArrays;exports.getDefaultSetting=getDefaultSetting});(function(root,factory){{factory(root.pdfjsDisplayFontLoader={},root.pdfjsSharedUtil)}})(this,function(exports,sharedUtil){var assert=sharedUtil.assert;var bytesToString=sharedUtil.bytesToString;var string32=sharedUtil.string32;var shadow=sharedUtil.shadow;var warn=sharedUtil.warn;function FontLoader(docId){this.docId=docId;this.styleElement=null;this.nativeFontFaces=[];this.loadTestFontId=0;this.loadingContext={requests:[],nextRequestId:0}}FontLoader.prototype={insertRule:function fontLoaderInsertRule(rule){var styleElement=this.styleElement;if(!styleElement){styleElement=this.styleElement=document.createElement("style");styleElement.id="PDFJS_FONT_STYLE_TAG_"+this.docId;document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement)}var styleSheet=styleElement.sheet;styleSheet.insertRule(rule,styleSheet.cssRules.length)},clear:function fontLoaderClear(){var styleElement=this.styleElement;if(styleElement){styleElement.parentNode.removeChild(styleElement);styleElement=this.styleElement=null}this.nativeFontFaces.forEach(function(nativeFontFace){document.fonts.delete(nativeFontFace)});this.nativeFontFaces.length=0},get loadTestFont(){return shadow(this,"loadTestFont",atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ"+"AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA"+"AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm"+"FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA"+"AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A"+"ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA"+"MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA"+"AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA"+"AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ"+"AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA"+"AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA"+"EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA"+"AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA"+"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"+"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"+"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"+"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA"+"AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc"+"A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF"+"hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA"+"AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg"+"ABAAAAAAAAAAAD6AAAAAAAAA=="))},addNativeFontFace:function fontLoader_addNativeFontFace(nativeFontFace){this.nativeFontFaces.push(nativeFontFace);document.fonts.add(nativeFontFace)},bind:function fontLoaderBind(fonts,callback){var rules=[];var fontsToLoad=[];var fontLoadPromises=[];var getNativeFontPromise=function(nativeFontFace){return nativeFontFace.loaded.catch(function(e){warn('Failed to load font "'+nativeFontFace.family+'": '+e)})};for(var i=0,ii=fonts.length;i<ii;i++){var font=fonts[i];if(font.attached||font.loading===false){continue}font.attached=true;if(FontLoader.isFontLoadingAPISupported){var nativeFontFace=font.createNativeFontFace();if(nativeFontFace){this.addNativeFontFace(nativeFontFace);fontLoadPromises.push(getNativeFontPromise(nativeFontFace))}}else{var rule=font.createFontFaceRule();if(rule){this.insertRule(rule);rules.push(rule);fontsToLoad.push(font)}}}var request=this.queueLoadingCallback(callback);if(FontLoader.isFontLoadingAPISupported){Promise.all(fontLoadPromises).then(function(){request.complete()})}else if(rules.length>0&&!FontLoader.isSyncFontLoadingSupported){this.prepareFontLoadEvent(rules,fontsToLoad,request)}else{request.complete()}},queueLoadingCallback:function FontLoader_queueLoadingCallback(callback){function LoadLoader_completeRequest(){assert(!request.end,"completeRequest() cannot be called twice");request.end=Date.now();while(context.requests.length>0&&context.requests[0].end){var otherRequest=context.requests.shift();setTimeout(otherRequest.callback,0)}}var context=this.loadingContext;var requestId="pdfjs-font-loading-"+context.nextRequestId++;var request={id:requestId,complete:LoadLoader_completeRequest,callback:callback,started:Date.now()};context.requests.push(request);return request},prepareFontLoadEvent:function fontLoaderPrepareFontLoadEvent(rules,fonts,request){function int32(data,offset){return data.charCodeAt(offset)<<24|data.charCodeAt(offset+1)<<16|data.charCodeAt(offset+2)<<8|data.charCodeAt(offset+3)&255}function spliceString(s,offset,remove,insert){var chunk1=s.substr(0,offset);var chunk2=s.substr(offset+remove);return chunk1+insert+chunk2}var i,ii;var canvas=document.createElement("canvas");canvas.width=1;canvas.height=1;var ctx=canvas.getContext("2d");var called=0;function isFontReady(name,callback){called++;if(called>30){warn("Load test font never loaded.");callback();return}ctx.font="30px "+name;ctx.fillText(".",0,20);var imageData=ctx.getImageData(0,0,1,1);if(imageData.data[3]>0){callback();return}setTimeout(isFontReady.bind(null,name,callback))}var loadTestFontId="lt"+Date.now()+this.loadTestFontId++;var data=this.loadTestFont;var COMMENT_OFFSET=976;data=spliceString(data,COMMENT_OFFSET,loadTestFontId.length,loadTestFontId);var CFF_CHECKSUM_OFFSET=16;var XXXX_VALUE=1482184792;var checksum=int32(data,CFF_CHECKSUM_OFFSET);for(i=0,ii=loadTestFontId.length-3;i<ii;i+=4){checksum=checksum-XXXX_VALUE+int32(loadTestFontId,i)|0}if(i<loadTestFontId.length){checksum=checksum-XXXX_VALUE+int32(loadTestFontId+"XXX",i)|0}data=spliceString(data,CFF_CHECKSUM_OFFSET,4,string32(checksum));var url="url(data:font/opentype;base64,"+btoa(data)+");";var rule='@font-face { font-family:"'+loadTestFontId+'";src:'+url+"}";this.insertRule(rule);var names=[];for(i=0,ii=fonts.length;i<ii;i++){names.push(fonts[i].loadedName)}names.push(loadTestFontId);var div=document.createElement("div");div.setAttribute("style","visibility: hidden;"+"width: 10px; height: 10px;"+"position: absolute; top: 0px; left: 0px;");for(i=0,ii=names.length;i<ii;++i){var span=document.createElement("span");span.textContent="Hi";span.style.fontFamily=names[i];div.appendChild(span)}document.body.appendChild(div);isFontReady(loadTestFontId,function(){document.body.removeChild(div);request.complete()})}};FontLoader.isFontLoadingAPISupported=typeof document!=="undefined"&&!!document.fonts;Object.defineProperty(FontLoader,"isSyncFontLoadingSupported",{get:function(){if(typeof navigator==="undefined"){return shadow(FontLoader,"isSyncFontLoadingSupported",true)}var supported=false;var m=/Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);if(m&&m[1]>=14){supported=true}return shadow(FontLoader,"isSyncFontLoadingSupported",supported)},enumerable:true,configurable:true});var IsEvalSupportedCached={get value(){return shadow(this,"value",sharedUtil.isEvalSupported())}};var FontFaceObject=function FontFaceObjectClosure(){function FontFaceObject(translatedData,options){this.compiledGlyphs=Object.create(null);for(var i in translatedData){this[i]=translatedData[i]}this.options=options}FontFaceObject.prototype={createNativeFontFace:function FontFaceObject_createNativeFontFace(){if(!this.data){return null}if(this.options.disableFontFace){this.disableFontFace=true;return null}var nativeFontFace=new FontFace(this.loadedName,this.data,{});if(this.options.fontRegistry){this.options.fontRegistry.registerFont(this)}return nativeFontFace},createFontFaceRule:function FontFaceObject_createFontFaceRule(){if(!this.data){return null}if(this.options.disableFontFace){this.disableFontFace=true;return null}var data=bytesToString(new Uint8Array(this.data));var fontName=this.loadedName;var url="url(data:"+this.mimetype+";base64,"+btoa(data)+");";var rule='@font-face { font-family:"'+fontName+'";src:'+url+"}";if(this.options.fontRegistry){this.options.fontRegistry.registerFont(this,url)}return rule},getPathGenerator:function FontFaceObject_getPathGenerator(objs,character){if(!(character in this.compiledGlyphs)){var cmds=objs.get(this.loadedName+"_path_"+character);var current,i,len;if(this.options.isEvalSupported&&IsEvalSupportedCached.value){var args,js="";for(i=0,len=cmds.length;i<len;i++){current=cmds[i];if(current.args!==undefined){args=current.args.join(",")}else{args=""}js+="c."+current.cmd+"("+args+");\n"}this.compiledGlyphs[character]=new Function("c","size",js)}else{this.compiledGlyphs[character]=function(c,size){for(i=0,len=cmds.length;i<len;i++){current=cmds[i];if(current.cmd==="scale"){current.args=[size,-size]}c[current.cmd].apply(c,current.args)}}}}return this.compiledGlyphs[character]}};return FontFaceObject}();exports.FontFaceObject=FontFaceObject;exports.FontLoader=FontLoader});(function(root,factory){{factory(root.pdfjsDisplayMetadata={},root.pdfjsSharedUtil)}})(this,function(exports,sharedUtil){var error=sharedUtil.error;function fixMetadata(meta){return meta.replace(/>\\376\\377([^<]+)/g,function(all,codes){var bytes=codes.replace(/\\([0-3])([0-7])([0-7])/g,function(code,d1,d2,d3){return String.fromCharCode(d1*64+d2*8+d3*1)});var chars="";for(var i=0;i<bytes.length;i+=2){var code=bytes.charCodeAt(i)*256+bytes.charCodeAt(i+1);chars+=code>=32&&code<127&&code!==60&&code!==62&&code!==38&&false?String.fromCharCode(code):"&#x"+(65536+code).toString(16).substring(1)+";"}return">"+chars})}function Metadata(meta){if(typeof meta==="string"){meta=fixMetadata(meta);var parser=new DOMParser;meta=parser.parseFromString(meta,"application/xml")}else if(!(meta instanceof Document)){error("Metadata: Invalid metadata object")}this.metaDocument=meta;this.metadata=Object.create(null);this.parse()}Metadata.prototype={parse:function Metadata_parse(){var doc=this.metaDocument;var rdf=doc.documentElement;if(rdf.nodeName.toLowerCase()!=="rdf:rdf"){rdf=rdf.firstChild;while(rdf&&rdf.nodeName.toLowerCase()!=="rdf:rdf"){rdf=rdf.nextSibling}}var nodeName=rdf?rdf.nodeName.toLowerCase():null;if(!rdf||nodeName!=="rdf:rdf"||!rdf.hasChildNodes()){return}var children=rdf.childNodes,desc,entry,name,i,ii,length,iLength;for(i=0,length=children.length;i<length;i++){desc=children[i];if(desc.nodeName.toLowerCase()!=="rdf:description"){continue}for(ii=0,iLength=desc.childNodes.length;ii<iLength;ii++){if(desc.childNodes[ii].nodeName.toLowerCase()!=="#text"){entry=desc.childNodes[ii];name=entry.nodeName.toLowerCase();this.metadata[name]=entry.textContent.trim()}}}},get:function Metadata_get(name){return this.metadata[name]||null},has:function Metadata_has(name){return typeof this.metadata[name]!=="undefined"}};exports.Metadata=Metadata});(function(root,factory){{factory(root.pdfjsDisplaySVG={},root.pdfjsSharedUtil)}})(this,function(exports,sharedUtil){var FONT_IDENTITY_MATRIX=sharedUtil.FONT_IDENTITY_MATRIX;var IDENTITY_MATRIX=sharedUtil.IDENTITY_MATRIX;var ImageKind=sharedUtil.ImageKind;var OPS=sharedUtil.OPS;var Util=sharedUtil.Util;var isNum=sharedUtil.isNum;var isArray=sharedUtil.isArray;var warn=sharedUtil.warn;var createObjectURL=sharedUtil.createObjectURL;var SVG_DEFAULTS={fontStyle:"normal",fontWeight:"normal",fillColor:"#000000"};var convertImgDataToPng=function convertImgDataToPngClosure(){var PNG_HEADER=new Uint8Array([137,80,78,71,13,10,26,10]);var CHUNK_WRAPPER_SIZE=12;var crcTable=new Int32Array(256);for(var i=0;i<256;i++){var c=i;for(var h=0;h<8;h++){if(c&1){c=3988292384^c>>1&2147483647}else{c=c>>1&2147483647}}crcTable[i]=c}function crc32(data,start,end){var crc=-1;for(var i=start;i<end;i++){var a=(crc^data[i])&255;var b=crcTable[a];crc=crc>>>8^b}return crc^-1}function writePngChunk(type,body,data,offset){var p=offset;var len=body.length;data[p]=len>>24&255;data[p+1]=len>>16&255;data[p+2]=len>>8&255;data[p+3]=len&255;p+=4;data[p]=type.charCodeAt(0)&255;data[p+1]=type.charCodeAt(1)&255;data[p+2]=type.charCodeAt(2)&255;data[p+3]=type.charCodeAt(3)&255;p+=4;data.set(body,p);p+=body.length;var crc=crc32(data,offset+4,p);data[p]=crc>>24&255;data[p+1]=crc>>16&255;data[p+2]=crc>>8&255;data[p+3]=crc&255}function adler32(data,start,end){var a=1;var b=0;for(var i=start;i<end;++i){a=(a+(data[i]&255))%65521;b=(b+a)%65521}return b<<16|a}function encode(imgData,kind,forceDataSchema){var width=imgData.width;var height=imgData.height;var bitDepth,colorType,lineSize;var bytes=imgData.data;switch(kind){case ImageKind.GRAYSCALE_1BPP:colorType=0;bitDepth=1;lineSize=width+7>>3;break;case ImageKind.RGB_24BPP:colorType=2;bitDepth=8;lineSize=width*3;break;case ImageKind.RGBA_32BPP:colorType=6;bitDepth=8;lineSize=width*4;break;default:throw new Error("invalid format")}var literals=new Uint8Array((1+lineSize)*height);var offsetLiterals=0,offsetBytes=0;var y,i;for(y=0;y<height;++y){literals[offsetLiterals++]=0;literals.set(bytes.subarray(offsetBytes,offsetBytes+lineSize),offsetLiterals);offsetBytes+=lineSize;offsetLiterals+=lineSize}if(kind===ImageKind.GRAYSCALE_1BPP){offsetLiterals=0;for(y=0;y<height;y++){offsetLiterals++;for(i=0;i<lineSize;i++){literals[offsetLiterals++]^=255}}}var ihdr=new Uint8Array([width>>24&255,width>>16&255,width>>8&255,width&255,height>>24&255,height>>16&255,height>>8&255,height&255,bitDepth,colorType,0,0,0]);var len=literals.length;var maxBlockLength=65535;var deflateBlocks=Math.ceil(len/maxBlockLength);var idat=new Uint8Array(2+len+deflateBlocks*5+4);var pi=0;idat[pi++]=120;idat[pi++]=156;var pos=0;while(len>maxBlockLength){idat[pi++]=0;idat[pi++]=255;idat[pi++]=255;idat[pi++]=0;idat[pi++]=0;idat.set(literals.subarray(pos,pos+maxBlockLength),pi);pi+=maxBlockLength;pos+=maxBlockLength;len-=maxBlockLength}idat[pi++]=1;idat[pi++]=len&255;idat[pi++]=len>>8&255;idat[pi++]=~len&65535&255;idat[pi++]=(~len&65535)>>8&255;idat.set(literals.subarray(pos),pi);pi+=literals.length-pos;var adler=adler32(literals,0,literals.length);idat[pi++]=adler>>24&255;idat[pi++]=adler>>16&255;idat[pi++]=adler>>8&255;idat[pi++]=adler&255;var pngLength=PNG_HEADER.length+CHUNK_WRAPPER_SIZE*3+ihdr.length+idat.length;var data=new Uint8Array(pngLength);var offset=0;data.set(PNG_HEADER,offset);offset+=PNG_HEADER.length;writePngChunk("IHDR",ihdr,data,offset);offset+=CHUNK_WRAPPER_SIZE+ihdr.length;writePngChunk("IDATA",idat,data,offset);offset+=CHUNK_WRAPPER_SIZE+idat.length;writePngChunk("IEND",new Uint8Array(0),data,offset);return createObjectURL(data,"image/png",forceDataSchema)}return function convertImgDataToPng(imgData,forceDataSchema){var kind=imgData.kind===undefined?ImageKind.GRAYSCALE_1BPP:imgData.kind;return encode(imgData,kind,forceDataSchema)}}();var SVGExtraState=function SVGExtraStateClosure(){function SVGExtraState(){this.fontSizeScale=1;this.fontWeight=SVG_DEFAULTS.fontWeight;this.fontSize=0;this.textMatrix=IDENTITY_MATRIX;this.fontMatrix=FONT_IDENTITY_MATRIX;this.leading=0;this.x=0;this.y=0;this.lineX=0;this.lineY=0;this.charSpacing=0;this.wordSpacing=0;this.textHScale=1;this.textRise=0;this.fillColor=SVG_DEFAULTS.fillColor;this.strokeColor="#000000";this.fillAlpha=1;this.strokeAlpha=1;this.lineWidth=1;this.lineJoin="";this.lineCap="";this.miterLimit=0;this.dashArray=[];this.dashPhase=0;this.dependencies=[];this.clipId="";this.pendingClip=false;this.maskId=""}SVGExtraState.prototype={clone:function SVGExtraState_clone(){return Object.create(this)},setCurrentPoint:function SVGExtraState_setCurrentPoint(x,y){this.x=x;this.y=y}};return SVGExtraState}();var SVGGraphics=function SVGGraphicsClosure(){function createScratchSVG(width,height){var NS="http://www.w3.org/2000/svg";var svg=document.createElementNS(NS,"svg:svg");svg.setAttributeNS(null,"version","1.1");svg.setAttributeNS(null,"width",width+"px");svg.setAttributeNS(null,"height",height+"px");svg.setAttributeNS(null,"viewBox","0 0 "+width+" "+height);return svg}function opListToTree(opList){var opTree=[];var tmp=[];var opListLen=opList.length;for(var x=0;x<opListLen;x++){if(opList[x].fn==="save"){opTree.push({fnId:92,fn:"group",items:[]});tmp.push(opTree);opTree=opTree[opTree.length-1].items;continue}if(opList[x].fn==="restore"){opTree=tmp.pop()}else{opTree.push(opList[x])}}return opTree}function pf(value){if(value===(value|0)){return value.toString()}var s=value.toFixed(10);var i=s.length-1;if(s[i]!=="0"){return s}do{i--}while(s[i]==="0");return s.substr(0,s[i]==="."?i:i+1)}function pm(m){if(m[4]===0&&m[5]===0){if(m[1]===0&&m[2]===0){if(m[0]===1&&m[3]===1){return""}return"scale("+pf(m[0])+" "+pf(m[3])+")"}if(m[0]===m[3]&&m[1]===-m[2]){var a=Math.acos(m[0])*180/Math.PI;return"rotate("+pf(a)+")"}}else{if(m[0]===1&&m[1]===0&&m[2]===0&&m[3]===1){return"translate("+pf(m[4])+" "+pf(m[5])+")"}}return"matrix("+pf(m[0])+" "+pf(m[1])+" "+pf(m[2])+" "+pf(m[3])+" "+pf(m[4])+" "+pf(m[5])+")"}function SVGGraphics(commonObjs,objs,forceDataSchema){this.current=new SVGExtraState;this.transformMatrix=IDENTITY_MATRIX;this.transformStack=[];this.extraStack=[];this.commonObjs=commonObjs;this.objs=objs;this.pendingEOFill=false;this.embedFonts=false;this.embeddedFonts=Object.create(null);this.cssStyle=null;this.forceDataSchema=!!forceDataSchema}var NS="http://www.w3.org/2000/svg";var XML_NS="http://www.w3.org/XML/1998/namespace";var XLINK_NS="http://www.w3.org/1999/xlink";var LINE_CAP_STYLES=["butt","round","square"];var LINE_JOIN_STYLES=["miter","round","bevel"];
+var clipCount=0;var maskCount=0;SVGGraphics.prototype={save:function SVGGraphics_save(){this.transformStack.push(this.transformMatrix);var old=this.current;this.extraStack.push(old);this.current=old.clone()},restore:function SVGGraphics_restore(){this.transformMatrix=this.transformStack.pop();this.current=this.extraStack.pop();this.tgrp=document.createElementNS(NS,"svg:g");this.tgrp.setAttributeNS(null,"transform",pm(this.transformMatrix));this.pgrp.appendChild(this.tgrp)},group:function SVGGraphics_group(items){this.save();this.executeOpTree(items);this.restore()},loadDependencies:function SVGGraphics_loadDependencies(operatorList){var fnArray=operatorList.fnArray;var fnArrayLen=fnArray.length;var argsArray=operatorList.argsArray;var self=this;for(var i=0;i<fnArrayLen;i++){if(OPS.dependency===fnArray[i]){var deps=argsArray[i];for(var n=0,nn=deps.length;n<nn;n++){var obj=deps[n];var common=obj.substring(0,2)==="g_";var promise;if(common){promise=new Promise(function(resolve){self.commonObjs.get(obj,resolve)})}else{promise=new Promise(function(resolve){self.objs.get(obj,resolve)})}this.current.dependencies.push(promise)}}}return Promise.all(this.current.dependencies)},transform:function SVGGraphics_transform(a,b,c,d,e,f){var transformMatrix=[a,b,c,d,e,f];this.transformMatrix=Util.transform(this.transformMatrix,transformMatrix);this.tgrp=document.createElementNS(NS,"svg:g");this.tgrp.setAttributeNS(null,"transform",pm(this.transformMatrix))},getSVG:function SVGGraphics_getSVG(operatorList,viewport){this.svg=createScratchSVG(viewport.width,viewport.height);this.viewport=viewport;return this.loadDependencies(operatorList).then(function(){this.transformMatrix=IDENTITY_MATRIX;this.pgrp=document.createElementNS(NS,"svg:g");this.pgrp.setAttributeNS(null,"transform",pm(viewport.transform));this.tgrp=document.createElementNS(NS,"svg:g");this.tgrp.setAttributeNS(null,"transform",pm(this.transformMatrix));this.defs=document.createElementNS(NS,"svg:defs");this.pgrp.appendChild(this.defs);this.pgrp.appendChild(this.tgrp);this.svg.appendChild(this.pgrp);var opTree=this.convertOpList(operatorList);this.executeOpTree(opTree);return this.svg}.bind(this))},convertOpList:function SVGGraphics_convertOpList(operatorList){var argsArray=operatorList.argsArray;var fnArray=operatorList.fnArray;var fnArrayLen=fnArray.length;var REVOPS=[];var opList=[];for(var op in OPS){REVOPS[OPS[op]]=op}for(var x=0;x<fnArrayLen;x++){var fnId=fnArray[x];opList.push({fnId:fnId,fn:REVOPS[fnId],args:argsArray[x]})}return opListToTree(opList)},executeOpTree:function SVGGraphics_executeOpTree(opTree){var opTreeLen=opTree.length;for(var x=0;x<opTreeLen;x++){var fn=opTree[x].fn;var fnId=opTree[x].fnId;var args=opTree[x].args;switch(fnId|0){case OPS.beginText:this.beginText();break;case OPS.setLeading:this.setLeading(args);break;case OPS.setLeadingMoveText:this.setLeadingMoveText(args[0],args[1]);break;case OPS.setFont:this.setFont(args);break;case OPS.showText:this.showText(args[0]);break;case OPS.showSpacedText:this.showText(args[0]);break;case OPS.endText:this.endText();break;case OPS.moveText:this.moveText(args[0],args[1]);break;case OPS.setCharSpacing:this.setCharSpacing(args[0]);break;case OPS.setWordSpacing:this.setWordSpacing(args[0]);break;case OPS.setHScale:this.setHScale(args[0]);break;case OPS.setTextMatrix:this.setTextMatrix(args[0],args[1],args[2],args[3],args[4],args[5]);break;case OPS.setLineWidth:this.setLineWidth(args[0]);break;case OPS.setLineJoin:this.setLineJoin(args[0]);break;case OPS.setLineCap:this.setLineCap(args[0]);break;case OPS.setMiterLimit:this.setMiterLimit(args[0]);break;case OPS.setFillRGBColor:this.setFillRGBColor(args[0],args[1],args[2]);break;case OPS.setStrokeRGBColor:this.setStrokeRGBColor(args[0],args[1],args[2]);break;case OPS.setDash:this.setDash(args[0],args[1]);break;case OPS.setGState:this.setGState(args[0]);break;case OPS.fill:this.fill();break;case OPS.eoFill:this.eoFill();break;case OPS.stroke:this.stroke();break;case OPS.fillStroke:this.fillStroke();break;case OPS.eoFillStroke:this.eoFillStroke();break;case OPS.clip:this.clip("nonzero");break;case OPS.eoClip:this.clip("evenodd");break;case OPS.paintSolidColorImageMask:this.paintSolidColorImageMask();break;case OPS.paintJpegXObject:this.paintJpegXObject(args[0],args[1],args[2]);break;case OPS.paintImageXObject:this.paintImageXObject(args[0]);break;case OPS.paintInlineImageXObject:this.paintInlineImageXObject(args[0]);break;case OPS.paintImageMaskXObject:this.paintImageMaskXObject(args[0]);break;case OPS.paintFormXObjectBegin:this.paintFormXObjectBegin(args[0],args[1]);break;case OPS.paintFormXObjectEnd:this.paintFormXObjectEnd();break;case OPS.closePath:this.closePath();break;case OPS.closeStroke:this.closeStroke();break;case OPS.closeFillStroke:this.closeFillStroke();break;case OPS.nextLine:this.nextLine();break;case OPS.transform:this.transform(args[0],args[1],args[2],args[3],args[4],args[5]);break;case OPS.constructPath:this.constructPath(args[0],args[1]);break;case OPS.endPath:this.endPath();break;case 92:this.group(opTree[x].items);break;default:warn("Unimplemented method "+fn);break}}},setWordSpacing:function SVGGraphics_setWordSpacing(wordSpacing){this.current.wordSpacing=wordSpacing},setCharSpacing:function SVGGraphics_setCharSpacing(charSpacing){this.current.charSpacing=charSpacing},nextLine:function SVGGraphics_nextLine(){this.moveText(0,this.current.leading)},setTextMatrix:function SVGGraphics_setTextMatrix(a,b,c,d,e,f){var current=this.current;this.current.textMatrix=this.current.lineMatrix=[a,b,c,d,e,f];this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0;current.xcoords=[];current.tspan=document.createElementNS(NS,"svg:tspan");current.tspan.setAttributeNS(null,"font-family",current.fontFamily);current.tspan.setAttributeNS(null,"font-size",pf(current.fontSize)+"px");current.tspan.setAttributeNS(null,"y",pf(-current.y));current.txtElement=document.createElementNS(NS,"svg:text");current.txtElement.appendChild(current.tspan)},beginText:function SVGGraphics_beginText(){this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0;this.current.textMatrix=IDENTITY_MATRIX;this.current.lineMatrix=IDENTITY_MATRIX;this.current.tspan=document.createElementNS(NS,"svg:tspan");this.current.txtElement=document.createElementNS(NS,"svg:text");this.current.txtgrp=document.createElementNS(NS,"svg:g");this.current.xcoords=[]},moveText:function SVGGraphics_moveText(x,y){var current=this.current;this.current.x=this.current.lineX+=x;this.current.y=this.current.lineY+=y;current.xcoords=[];current.tspan=document.createElementNS(NS,"svg:tspan");current.tspan.setAttributeNS(null,"font-family",current.fontFamily);current.tspan.setAttributeNS(null,"font-size",pf(current.fontSize)+"px");current.tspan.setAttributeNS(null,"y",pf(-current.y))},showText:function SVGGraphics_showText(glyphs){var current=this.current;var font=current.font;var fontSize=current.fontSize;if(fontSize===0){return}var charSpacing=current.charSpacing;var wordSpacing=current.wordSpacing;var fontDirection=current.fontDirection;var textHScale=current.textHScale*fontDirection;var glyphsLength=glyphs.length;var vertical=font.vertical;var widthAdvanceScale=fontSize*current.fontMatrix[0];var x=0,i;for(i=0;i<glyphsLength;++i){var glyph=glyphs[i];if(glyph===null){x+=fontDirection*wordSpacing;continue}else if(isNum(glyph)){x+=-glyph*fontSize*.001;continue}current.xcoords.push(current.x+x*textHScale);var width=glyph.width;var character=glyph.fontChar;var charWidth=width*widthAdvanceScale+charSpacing*fontDirection;x+=charWidth;current.tspan.textContent+=character}if(vertical){current.y-=x*textHScale}else{current.x+=x*textHScale}current.tspan.setAttributeNS(null,"x",current.xcoords.map(pf).join(" "));current.tspan.setAttributeNS(null,"y",pf(-current.y));current.tspan.setAttributeNS(null,"font-family",current.fontFamily);current.tspan.setAttributeNS(null,"font-size",pf(current.fontSize)+"px");if(current.fontStyle!==SVG_DEFAULTS.fontStyle){current.tspan.setAttributeNS(null,"font-style",current.fontStyle)}if(current.fontWeight!==SVG_DEFAULTS.fontWeight){current.tspan.setAttributeNS(null,"font-weight",current.fontWeight)}if(current.fillColor!==SVG_DEFAULTS.fillColor){current.tspan.setAttributeNS(null,"fill",current.fillColor)}current.txtElement.setAttributeNS(null,"transform",pm(current.textMatrix)+" scale(1, -1)");current.txtElement.setAttributeNS(XML_NS,"xml:space","preserve");current.txtElement.appendChild(current.tspan);current.txtgrp.appendChild(current.txtElement);this.tgrp.appendChild(current.txtElement)},setLeadingMoveText:function SVGGraphics_setLeadingMoveText(x,y){this.setLeading(-y);this.moveText(x,y)},addFontStyle:function SVGGraphics_addFontStyle(fontObj){if(!this.cssStyle){this.cssStyle=document.createElementNS(NS,"svg:style");this.cssStyle.setAttributeNS(null,"type","text/css");this.defs.appendChild(this.cssStyle)}var url=createObjectURL(fontObj.data,fontObj.mimetype,this.forceDataSchema);this.cssStyle.textContent+='@font-face { font-family: "'+fontObj.loadedName+'";'+" src: url("+url+"); }\n"},setFont:function SVGGraphics_setFont(details){var current=this.current;var fontObj=this.commonObjs.get(details[0]);var size=details[1];this.current.font=fontObj;if(this.embedFonts&&fontObj.data&&!this.embeddedFonts[fontObj.loadedName]){this.addFontStyle(fontObj);this.embeddedFonts[fontObj.loadedName]=fontObj}current.fontMatrix=fontObj.fontMatrix?fontObj.fontMatrix:FONT_IDENTITY_MATRIX;var bold=fontObj.black?fontObj.bold?"bolder":"bold":fontObj.bold?"bold":"normal";var italic=fontObj.italic?"italic":"normal";if(size<0){size=-size;current.fontDirection=-1}else{current.fontDirection=1}current.fontSize=size;current.fontFamily=fontObj.loadedName;current.fontWeight=bold;current.fontStyle=italic;current.tspan=document.createElementNS(NS,"svg:tspan");current.tspan.setAttributeNS(null,"y",pf(-current.y));current.xcoords=[]},endText:function SVGGraphics_endText(){if(this.current.pendingClip){this.cgrp.appendChild(this.tgrp);this.pgrp.appendChild(this.cgrp)}else{this.pgrp.appendChild(this.tgrp)}this.tgrp=document.createElementNS(NS,"svg:g");this.tgrp.setAttributeNS(null,"transform",pm(this.transformMatrix))},setLineWidth:function SVGGraphics_setLineWidth(width){this.current.lineWidth=width},setLineCap:function SVGGraphics_setLineCap(style){this.current.lineCap=LINE_CAP_STYLES[style]},setLineJoin:function SVGGraphics_setLineJoin(style){this.current.lineJoin=LINE_JOIN_STYLES[style]},setMiterLimit:function SVGGraphics_setMiterLimit(limit){this.current.miterLimit=limit},setStrokeRGBColor:function SVGGraphics_setStrokeRGBColor(r,g,b){var color=Util.makeCssRgb(r,g,b);this.current.strokeColor=color},setFillRGBColor:function SVGGraphics_setFillRGBColor(r,g,b){var color=Util.makeCssRgb(r,g,b);this.current.fillColor=color;this.current.tspan=document.createElementNS(NS,"svg:tspan");this.current.xcoords=[]},setDash:function SVGGraphics_setDash(dashArray,dashPhase){this.current.dashArray=dashArray;this.current.dashPhase=dashPhase},constructPath:function SVGGraphics_constructPath(ops,args){var current=this.current;var x=current.x,y=current.y;current.path=document.createElementNS(NS,"svg:path");var d=[];var opLength=ops.length;for(var i=0,j=0;i<opLength;i++){switch(ops[i]|0){case OPS.rectangle:x=args[j++];y=args[j++];var width=args[j++];var height=args[j++];var xw=x+width;var yh=y+height;d.push("M",pf(x),pf(y),"L",pf(xw),pf(y),"L",pf(xw),pf(yh),"L",pf(x),pf(yh),"Z");break;case OPS.moveTo:x=args[j++];y=args[j++];d.push("M",pf(x),pf(y));break;case OPS.lineTo:x=args[j++];y=args[j++];d.push("L",pf(x),pf(y));break;case OPS.curveTo:x=args[j+4];y=args[j+5];d.push("C",pf(args[j]),pf(args[j+1]),pf(args[j+2]),pf(args[j+3]),pf(x),pf(y));j+=6;break;case OPS.curveTo2:x=args[j+2];y=args[j+3];d.push("C",pf(x),pf(y),pf(args[j]),pf(args[j+1]),pf(args[j+2]),pf(args[j+3]));j+=4;break;case OPS.curveTo3:x=args[j+2];y=args[j+3];d.push("C",pf(args[j]),pf(args[j+1]),pf(x),pf(y),pf(x),pf(y));j+=4;break;case OPS.closePath:d.push("Z");break}}current.path.setAttributeNS(null,"d",d.join(" "));current.path.setAttributeNS(null,"stroke-miterlimit",pf(current.miterLimit));current.path.setAttributeNS(null,"stroke-linecap",current.lineCap);current.path.setAttributeNS(null,"stroke-linejoin",current.lineJoin);current.path.setAttributeNS(null,"stroke-width",pf(current.lineWidth)+"px");current.path.setAttributeNS(null,"stroke-dasharray",current.dashArray.map(pf).join(" "));current.path.setAttributeNS(null,"stroke-dashoffset",pf(current.dashPhase)+"px");current.path.setAttributeNS(null,"fill","none");this.tgrp.appendChild(current.path);if(current.pendingClip){this.cgrp.appendChild(this.tgrp);this.pgrp.appendChild(this.cgrp)}else{this.pgrp.appendChild(this.tgrp)}current.element=current.path;current.setCurrentPoint(x,y)},endPath:function SVGGraphics_endPath(){var current=this.current;if(current.pendingClip){this.cgrp.appendChild(this.tgrp);this.pgrp.appendChild(this.cgrp)}else{this.pgrp.appendChild(this.tgrp)}this.tgrp=document.createElementNS(NS,"svg:g");this.tgrp.setAttributeNS(null,"transform",pm(this.transformMatrix))},clip:function SVGGraphics_clip(type){var current=this.current;current.clipId="clippath"+clipCount;clipCount++;this.clippath=document.createElementNS(NS,"svg:clipPath");this.clippath.setAttributeNS(null,"id",current.clipId);var clipElement=current.element.cloneNode();if(type==="evenodd"){clipElement.setAttributeNS(null,"clip-rule","evenodd")}else{clipElement.setAttributeNS(null,"clip-rule","nonzero")}this.clippath.setAttributeNS(null,"transform",pm(this.transformMatrix));this.clippath.appendChild(clipElement);this.defs.appendChild(this.clippath);current.pendingClip=true;this.cgrp=document.createElementNS(NS,"svg:g");this.cgrp.setAttributeNS(null,"clip-path","url(#"+current.clipId+")");this.pgrp.appendChild(this.cgrp)},closePath:function SVGGraphics_closePath(){var current=this.current;var d=current.path.getAttributeNS(null,"d");d+="Z";current.path.setAttributeNS(null,"d",d)},setLeading:function SVGGraphics_setLeading(leading){this.current.leading=-leading},setTextRise:function SVGGraphics_setTextRise(textRise){this.current.textRise=textRise},setHScale:function SVGGraphics_setHScale(scale){this.current.textHScale=scale/100},setGState:function SVGGraphics_setGState(states){for(var i=0,ii=states.length;i<ii;i++){var state=states[i];var key=state[0];var value=state[1];switch(key){case"LW":this.setLineWidth(value);break;case"LC":this.setLineCap(value);break;case"LJ":this.setLineJoin(value);break;case"ML":this.setMiterLimit(value);break;case"D":this.setDash(value[0],value[1]);break;case"RI":break;case"FL":break;case"Font":this.setFont(value);break;case"CA":break;case"ca":break;case"BM":break;case"SMask":break}}},fill:function SVGGraphics_fill(){var current=this.current;current.element.setAttributeNS(null,"fill",current.fillColor)},stroke:function SVGGraphics_stroke(){var current=this.current;current.element.setAttributeNS(null,"stroke",current.strokeColor);current.element.setAttributeNS(null,"fill","none")},eoFill:function SVGGraphics_eoFill(){var current=this.current;current.element.setAttributeNS(null,"fill",current.fillColor);current.element.setAttributeNS(null,"fill-rule","evenodd")},fillStroke:function SVGGraphics_fillStroke(){this.stroke();this.fill()},eoFillStroke:function SVGGraphics_eoFillStroke(){this.current.element.setAttributeNS(null,"fill-rule","evenodd");this.fillStroke()},closeStroke:function SVGGraphics_closeStroke(){this.closePath();this.stroke()},closeFillStroke:function SVGGraphics_closeFillStroke(){this.closePath();this.fillStroke()},paintSolidColorImageMask:function SVGGraphics_paintSolidColorImageMask(){var current=this.current;var rect=document.createElementNS(NS,"svg:rect");rect.setAttributeNS(null,"x","0");rect.setAttributeNS(null,"y","0");rect.setAttributeNS(null,"width","1px");rect.setAttributeNS(null,"height","1px");rect.setAttributeNS(null,"fill",current.fillColor);this.tgrp.appendChild(rect)},paintJpegXObject:function SVGGraphics_paintJpegXObject(objId,w,h){var current=this.current;var imgObj=this.objs.get(objId);var imgEl=document.createElementNS(NS,"svg:image");imgEl.setAttributeNS(XLINK_NS,"xlink:href",imgObj.src);imgEl.setAttributeNS(null,"width",imgObj.width+"px");imgEl.setAttributeNS(null,"height",imgObj.height+"px");imgEl.setAttributeNS(null,"x","0");imgEl.setAttributeNS(null,"y",pf(-h));imgEl.setAttributeNS(null,"transform","scale("+pf(1/w)+" "+pf(-1/h)+")");this.tgrp.appendChild(imgEl);if(current.pendingClip){this.cgrp.appendChild(this.tgrp);this.pgrp.appendChild(this.cgrp)}else{this.pgrp.appendChild(this.tgrp)}},paintImageXObject:function SVGGraphics_paintImageXObject(objId){var imgData=this.objs.get(objId);if(!imgData){warn("Dependent image isn't ready yet");return}this.paintInlineImageXObject(imgData)},paintInlineImageXObject:function SVGGraphics_paintInlineImageXObject(imgData,mask){var current=this.current;var width=imgData.width;var height=imgData.height;var imgSrc=convertImgDataToPng(imgData,this.forceDataSchema);var cliprect=document.createElementNS(NS,"svg:rect");cliprect.setAttributeNS(null,"x","0");cliprect.setAttributeNS(null,"y","0");cliprect.setAttributeNS(null,"width",pf(width));cliprect.setAttributeNS(null,"height",pf(height));current.element=cliprect;this.clip("nonzero");var imgEl=document.createElementNS(NS,"svg:image");imgEl.setAttributeNS(XLINK_NS,"xlink:href",imgSrc);imgEl.setAttributeNS(null,"x","0");imgEl.setAttributeNS(null,"y",pf(-height));imgEl.setAttributeNS(null,"width",pf(width)+"px");imgEl.setAttributeNS(null,"height",pf(height)+"px");imgEl.setAttributeNS(null,"transform","scale("+pf(1/width)+" "+pf(-1/height)+")");if(mask){mask.appendChild(imgEl)}else{this.tgrp.appendChild(imgEl)}if(current.pendingClip){this.cgrp.appendChild(this.tgrp);this.pgrp.appendChild(this.cgrp)}else{this.pgrp.appendChild(this.tgrp)}},paintImageMaskXObject:function SVGGraphics_paintImageMaskXObject(imgData){var current=this.current;var width=imgData.width;var height=imgData.height;var fillColor=current.fillColor;current.maskId="mask"+maskCount++;var mask=document.createElementNS(NS,"svg:mask");mask.setAttributeNS(null,"id",current.maskId);var rect=document.createElementNS(NS,"svg:rect");rect.setAttributeNS(null,"x","0");rect.setAttributeNS(null,"y","0");rect.setAttributeNS(null,"width",pf(width));rect.setAttributeNS(null,"height",pf(height));rect.setAttributeNS(null,"fill",fillColor);rect.setAttributeNS(null,"mask","url(#"+current.maskId+")");this.defs.appendChild(mask);this.tgrp.appendChild(rect);this.paintInlineImageXObject(imgData,mask)},paintFormXObjectBegin:function SVGGraphics_paintFormXObjectBegin(matrix,bbox){this.save();if(isArray(matrix)&&matrix.length===6){this.transform(matrix[0],matrix[1],matrix[2],matrix[3],matrix[4],matrix[5])}if(isArray(bbox)&&bbox.length===4){var width=bbox[2]-bbox[0];var height=bbox[3]-bbox[1];var cliprect=document.createElementNS(NS,"svg:rect");cliprect.setAttributeNS(null,"x",bbox[0]);cliprect.setAttributeNS(null,"y",bbox[1]);cliprect.setAttributeNS(null,"width",pf(width));cliprect.setAttributeNS(null,"height",pf(height));this.current.element=cliprect;this.clip("nonzero");this.endPath()}},paintFormXObjectEnd:function SVGGraphics_paintFormXObjectEnd(){this.restore()}};return SVGGraphics}();exports.SVGGraphics=SVGGraphics});(function(root,factory){{factory(root.pdfjsDisplayAnnotationLayer={},root.pdfjsSharedUtil,root.pdfjsDisplayDOMUtils)}})(this,function(exports,sharedUtil,displayDOMUtils){var AnnotationBorderStyleType=sharedUtil.AnnotationBorderStyleType;var AnnotationType=sharedUtil.AnnotationType;var Util=sharedUtil.Util;var addLinkAttributes=displayDOMUtils.addLinkAttributes;var LinkTarget=displayDOMUtils.LinkTarget;var getFilenameFromUrl=displayDOMUtils.getFilenameFromUrl;var warn=sharedUtil.warn;var CustomStyle=displayDOMUtils.CustomStyle;var getDefaultSetting=displayDOMUtils.getDefaultSetting;function AnnotationElementFactory(){}AnnotationElementFactory.prototype={create:function AnnotationElementFactory_create(parameters){var subtype=parameters.data.annotationType;switch(subtype){case AnnotationType.LINK:return new LinkAnnotationElement(parameters);case AnnotationType.TEXT:return new TextAnnotationElement(parameters);case AnnotationType.WIDGET:var fieldType=parameters.data.fieldType;switch(fieldType){case"Tx":return new TextWidgetAnnotationElement(parameters)}return new WidgetAnnotationElement(parameters);case AnnotationType.POPUP:return new PopupAnnotationElement(parameters);case AnnotationType.HIGHLIGHT:return new HighlightAnnotationElement(parameters);case AnnotationType.UNDERLINE:return new UnderlineAnnotationElement(parameters);case AnnotationType.SQUIGGLY:return new SquigglyAnnotationElement(parameters);case AnnotationType.STRIKEOUT:return new StrikeOutAnnotationElement(parameters);case AnnotationType.FILEATTACHMENT:return new FileAttachmentAnnotationElement(parameters);default:return new AnnotationElement(parameters)}}};var AnnotationElement=function AnnotationElementClosure(){function AnnotationElement(parameters,isRenderable){this.isRenderable=isRenderable||false;this.data=parameters.data;this.layer=parameters.layer;this.page=parameters.page;this.viewport=parameters.viewport;this.linkService=parameters.linkService;this.downloadManager=parameters.downloadManager;this.imageResourcesPath=parameters.imageResourcesPath;this.renderInteractiveForms=parameters.renderInteractiveForms;if(isRenderable){this.container=this._createContainer()}}AnnotationElement.prototype={_createContainer:function AnnotationElement_createContainer(){var data=this.data,page=this.page,viewport=this.viewport;var container=document.createElement("section");var width=data.rect[2]-data.rect[0];var height=data.rect[3]-data.rect[1];container.setAttribute("data-annotation-id",data.id);var rect=Util.normalizeRect([data.rect[0],page.view[3]-data.rect[1]+page.view[1],data.rect[2],page.view[3]-data.rect[3]+page.view[1]]);CustomStyle.setProp("transform",container,"matrix("+viewport.transform.join(",")+")");CustomStyle.setProp("transformOrigin",container,-rect[0]+"px "+-rect[1]+"px");if(data.borderStyle.width>0){container.style.borderWidth=data.borderStyle.width+"px";if(data.borderStyle.style!==AnnotationBorderStyleType.UNDERLINE){width=width-2*data.borderStyle.width;height=height-2*data.borderStyle.width}var horizontalRadius=data.borderStyle.horizontalCornerRadius;var verticalRadius=data.borderStyle.verticalCornerRadius;if(horizontalRadius>0||verticalRadius>0){var radius=horizontalRadius+"px / "+verticalRadius+"px";CustomStyle.setProp("borderRadius",container,radius)}switch(data.borderStyle.style){case AnnotationBorderStyleType.SOLID:container.style.borderStyle="solid";break;case AnnotationBorderStyleType.DASHED:container.style.borderStyle="dashed";break;case AnnotationBorderStyleType.BEVELED:warn("Unimplemented border style: beveled");break;case AnnotationBorderStyleType.INSET:warn("Unimplemented border style: inset");break;case AnnotationBorderStyleType.UNDERLINE:container.style.borderBottomStyle="solid";break;default:break}if(data.color){container.style.borderColor=Util.makeCssRgb(data.color[0]|0,data.color[1]|0,data.color[2]|0)}else{container.style.borderWidth=0}}container.style.left=rect[0]+"px";container.style.top=rect[1]+"px";container.style.width=width+"px";container.style.height=height+"px";return container},_createPopup:function AnnotationElement_createPopup(container,trigger,data){if(!trigger){trigger=document.createElement("div");trigger.style.height=container.style.height;trigger.style.width=container.style.width;container.appendChild(trigger)}var popupElement=new PopupElement({container:container,trigger:trigger,color:data.color,title:data.title,contents:data.contents,hideWrapper:true});var popup=popupElement.render();popup.style.left=container.style.width;container.appendChild(popup)},render:function AnnotationElement_render(){throw new Error("Abstract method AnnotationElement.render called")}};return AnnotationElement}();var LinkAnnotationElement=function LinkAnnotationElementClosure(){function LinkAnnotationElement(parameters){AnnotationElement.call(this,parameters,true)}Util.inherit(LinkAnnotationElement,AnnotationElement,{render:function LinkAnnotationElement_render(){this.container.className="linkAnnotation";var link=document.createElement("a");addLinkAttributes(link,{url:this.data.url,target:this.data.newWindow?LinkTarget.BLANK:undefined});if(!this.data.url){if(this.data.action){this._bindNamedAction(link,this.data.action)}else{this._bindLink(link,this.data.dest||null)}}this.container.appendChild(link);return this.container},_bindLink:function LinkAnnotationElement_bindLink(link,destination){var self=this;link.href=this.linkService.getDestinationHash(destination);link.onclick=function(){if(destination){self.linkService.navigateTo(destination)}return false};if(destination){link.className="internalLink"}},_bindNamedAction:function LinkAnnotationElement_bindNamedAction(link,action){var self=this;link.href=this.linkService.getAnchorUrl("");link.onclick=function(){self.linkService.executeNamedAction(action);return false};link.className="internalLink"}});return LinkAnnotationElement}();var TextAnnotationElement=function TextAnnotationElementClosure(){function TextAnnotationElement(parameters){var isRenderable=!!(parameters.data.hasPopup||parameters.data.title||parameters.data.contents);AnnotationElement.call(this,parameters,isRenderable)}Util.inherit(TextAnnotationElement,AnnotationElement,{render:function TextAnnotationElement_render(){this.container.className="textAnnotation";var image=document.createElement("img");image.style.height=this.container.style.height;image.style.width=this.container.style.width;image.src=this.imageResourcesPath+"annotation-"+this.data.name.toLowerCase()+".svg";image.alt="[{{type}} Annotation]";image.dataset.l10nId="text_annotation_type";image.dataset.l10nArgs=JSON.stringify({type:this.data.name});if(!this.data.hasPopup){this._createPopup(this.container,image,this.data)}this.container.appendChild(image);return this.container}});return TextAnnotationElement}();var WidgetAnnotationElement=function WidgetAnnotationElementClosure(){function WidgetAnnotationElement(parameters){var isRenderable=parameters.renderInteractiveForms||!parameters.data.hasAppearance&&!!parameters.data.fieldValue;AnnotationElement.call(this,parameters,isRenderable)}Util.inherit(WidgetAnnotationElement,AnnotationElement,{render:function WidgetAnnotationElement_render(){return this.container}});return WidgetAnnotationElement}();var TextWidgetAnnotationElement=function TextWidgetAnnotationElementClosure(){var TEXT_ALIGNMENT=["left","center","right"];function TextWidgetAnnotationElement(parameters){WidgetAnnotationElement.call(this,parameters)}Util.inherit(TextWidgetAnnotationElement,WidgetAnnotationElement,{render:function TextWidgetAnnotationElement_render(){this.container.className="textWidgetAnnotation";var element=null;if(this.renderInteractiveForms){if(this.data.multiLine){element=document.createElement("textarea");element.textContent=this.data.fieldValue}else{element=document.createElement("input");element.type="text";element.setAttribute("value",this.data.fieldValue)}element.disabled=this.data.readOnly;if(this.data.maxLen!==null){element.maxLength=this.data.maxLen}if(this.data.comb){var fieldWidth=this.data.rect[2]-this.data.rect[0];var combWidth=fieldWidth/this.data.maxLen;element.classList.add("comb");element.style.letterSpacing="calc("+combWidth+"px - 1ch)"}}else{element=document.createElement("div");element.textContent=this.data.fieldValue;element.style.verticalAlign="middle";element.style.display="table-cell";var font=null;if(this.data.fontRefName){font=this.page.commonObjs.getData(this.data.fontRefName)}this._setTextStyle(element,font)}if(this.data.textAlignment!==null){element.style.textAlign=TEXT_ALIGNMENT[this.data.textAlignment]}this.container.appendChild(element);return this.container},_setTextStyle:function TextWidgetAnnotationElement_setTextStyle(element,font){var style=element.style;style.fontSize=this.data.fontSize+"px";style.direction=this.data.fontDirection<0?"rtl":"ltr";if(!font){return}style.fontWeight=font.black?font.bold?"900":"bold":font.bold?"bold":"normal";style.fontStyle=font.italic?"italic":"normal";var fontFamily=font.loadedName?'"'+font.loadedName+'", ':"";var fallbackName=font.fallbackName||"Helvetica, sans-serif";style.fontFamily=fontFamily+fallbackName}});return TextWidgetAnnotationElement}();var PopupAnnotationElement=function PopupAnnotationElementClosure(){function PopupAnnotationElement(parameters){var isRenderable=!!(parameters.data.title||parameters.data.contents);AnnotationElement.call(this,parameters,isRenderable)}Util.inherit(PopupAnnotationElement,AnnotationElement,{render:function PopupAnnotationElement_render(){this.container.className="popupAnnotation";var selector='[data-annotation-id="'+this.data.parentId+'"]';var parentElement=this.layer.querySelector(selector);if(!parentElement){return this.container}var popup=new PopupElement({container:this.container,trigger:parentElement,color:this.data.color,title:this.data.title,contents:this.data.contents});var parentLeft=parseFloat(parentElement.style.left);var parentWidth=parseFloat(parentElement.style.width);CustomStyle.setProp("transformOrigin",this.container,-(parentLeft+parentWidth)+"px -"+parentElement.style.top);this.container.style.left=parentLeft+parentWidth+"px";this.container.appendChild(popup.render());return this.container}});return PopupAnnotationElement}();var PopupElement=function PopupElementClosure(){var BACKGROUND_ENLIGHT=.7;function PopupElement(parameters){this.container=parameters.container;this.trigger=parameters.trigger;this.color=parameters.color;this.title=parameters.title;this.contents=parameters.contents;this.hideWrapper=parameters.hideWrapper||false;this.pinned=false}PopupElement.prototype={render:function PopupElement_render(){var wrapper=document.createElement("div");wrapper.className="popupWrapper";this.hideElement=this.hideWrapper?wrapper:this.container;this.hideElement.setAttribute("hidden",true);var popup=document.createElement("div");popup.className="popup";var color=this.color;if(color){var r=BACKGROUND_ENLIGHT*(255-color[0])+color[0];var g=BACKGROUND_ENLIGHT*(255-color[1])+color[1];var b=BACKGROUND_ENLIGHT*(255-color[2])+color[2];popup.style.backgroundColor=Util.makeCssRgb(r|0,g|0,b|0)}var contents=this._formatContents(this.contents);var title=document.createElement("h1");title.textContent=this.title;this.trigger.addEventListener("click",this._toggle.bind(this));this.trigger.addEventListener("mouseover",this._show.bind(this,false));this.trigger.addEventListener("mouseout",this._hide.bind(this,false));popup.addEventListener("click",this._hide.bind(this,true));popup.appendChild(title);popup.appendChild(contents);wrapper.appendChild(popup);return wrapper},_formatContents:function PopupElement_formatContents(contents){var p=document.createElement("p");var lines=contents.split(/(?:\r\n?|\n)/);for(var i=0,ii=lines.length;i<ii;++i){var line=lines[i];p.appendChild(document.createTextNode(line));if(i<ii-1){p.appendChild(document.createElement("br"))}}return p},_toggle:function PopupElement_toggle(){if(this.pinned){this._hide(true)}else{this._show(true)}},_show:function PopupElement_show(pin){if(pin){this.pinned=true}if(this.hideElement.hasAttribute("hidden")){this.hideElement.removeAttribute("hidden");this.container.style.zIndex+=1}},_hide:function PopupElement_hide(unpin){if(unpin){this.pinned=false}if(!this.hideElement.hasAttribute("hidden")&&!this.pinned){this.hideElement.setAttribute("hidden",true);this.container.style.zIndex-=1}}};return PopupElement}();var HighlightAnnotationElement=function HighlightAnnotationElementClosure(){function HighlightAnnotationElement(parameters){var isRenderable=!!(parameters.data.hasPopup||parameters.data.title||parameters.data.contents);AnnotationElement.call(this,parameters,isRenderable)}Util.inherit(HighlightAnnotationElement,AnnotationElement,{render:function HighlightAnnotationElement_render(){this.container.className="highlightAnnotation";
+if(!this.data.hasPopup){this._createPopup(this.container,null,this.data)}return this.container}});return HighlightAnnotationElement}();var UnderlineAnnotationElement=function UnderlineAnnotationElementClosure(){function UnderlineAnnotationElement(parameters){var isRenderable=!!(parameters.data.hasPopup||parameters.data.title||parameters.data.contents);AnnotationElement.call(this,parameters,isRenderable)}Util.inherit(UnderlineAnnotationElement,AnnotationElement,{render:function UnderlineAnnotationElement_render(){this.container.className="underlineAnnotation";if(!this.data.hasPopup){this._createPopup(this.container,null,this.data)}return this.container}});return UnderlineAnnotationElement}();var SquigglyAnnotationElement=function SquigglyAnnotationElementClosure(){function SquigglyAnnotationElement(parameters){var isRenderable=!!(parameters.data.hasPopup||parameters.data.title||parameters.data.contents);AnnotationElement.call(this,parameters,isRenderable)}Util.inherit(SquigglyAnnotationElement,AnnotationElement,{render:function SquigglyAnnotationElement_render(){this.container.className="squigglyAnnotation";if(!this.data.hasPopup){this._createPopup(this.container,null,this.data)}return this.container}});return SquigglyAnnotationElement}();var StrikeOutAnnotationElement=function StrikeOutAnnotationElementClosure(){function StrikeOutAnnotationElement(parameters){var isRenderable=!!(parameters.data.hasPopup||parameters.data.title||parameters.data.contents);AnnotationElement.call(this,parameters,isRenderable)}Util.inherit(StrikeOutAnnotationElement,AnnotationElement,{render:function StrikeOutAnnotationElement_render(){this.container.className="strikeoutAnnotation";if(!this.data.hasPopup){this._createPopup(this.container,null,this.data)}return this.container}});return StrikeOutAnnotationElement}();var FileAttachmentAnnotationElement=function FileAttachmentAnnotationElementClosure(){function FileAttachmentAnnotationElement(parameters){AnnotationElement.call(this,parameters,true);this.filename=getFilenameFromUrl(parameters.data.file.filename);this.content=parameters.data.file.content}Util.inherit(FileAttachmentAnnotationElement,AnnotationElement,{render:function FileAttachmentAnnotationElement_render(){this.container.className="fileAttachmentAnnotation";var trigger=document.createElement("div");trigger.style.height=this.container.style.height;trigger.style.width=this.container.style.width;trigger.addEventListener("dblclick",this._download.bind(this));if(!this.data.hasPopup&&(this.data.title||this.data.contents)){this._createPopup(this.container,trigger,this.data)}this.container.appendChild(trigger);return this.container},_download:function FileAttachmentAnnotationElement_download(){if(!this.downloadManager){warn("Download cannot be started due to unavailable download manager");return}this.downloadManager.downloadData(this.content,this.filename,"")}});return FileAttachmentAnnotationElement}();var AnnotationLayer=function AnnotationLayerClosure(){return{render:function AnnotationLayer_render(parameters){var annotationElementFactory=new AnnotationElementFactory;for(var i=0,ii=parameters.annotations.length;i<ii;i++){var data=parameters.annotations[i];if(!data){continue}var properties={data:data,layer:parameters.div,page:parameters.page,viewport:parameters.viewport,linkService:parameters.linkService,downloadManager:parameters.downloadManager,imageResourcesPath:parameters.imageResourcesPath||getDefaultSetting("imageResourcesPath"),renderInteractiveForms:parameters.renderInteractiveForms||false};var element=annotationElementFactory.create(properties);if(element.isRenderable){parameters.div.appendChild(element.render())}}},update:function AnnotationLayer_update(parameters){for(var i=0,ii=parameters.annotations.length;i<ii;i++){var data=parameters.annotations[i];var element=parameters.div.querySelector('[data-annotation-id="'+data.id+'"]');if(element){CustomStyle.setProp("transform",element,"matrix("+parameters.viewport.transform.join(",")+")")}}parameters.div.removeAttribute("hidden")}}}();exports.AnnotationLayer=AnnotationLayer});(function(root,factory){{factory(root.pdfjsDisplayTextLayer={},root.pdfjsSharedUtil,root.pdfjsDisplayDOMUtils)}})(this,function(exports,sharedUtil,displayDOMUtils){var Util=sharedUtil.Util;var createPromiseCapability=sharedUtil.createPromiseCapability;var CustomStyle=displayDOMUtils.CustomStyle;var getDefaultSetting=displayDOMUtils.getDefaultSetting;var renderTextLayer=function renderTextLayerClosure(){var MAX_TEXT_DIVS_TO_RENDER=1e5;var NonWhitespaceRegexp=/\S/;function isAllWhitespace(str){return!NonWhitespaceRegexp.test(str)}var styleBuf=["left: ",0,"px; top: ",0,"px; font-size: ",0,"px; font-family: ","",";"];function appendText(task,geom,styles){var textDiv=document.createElement("div");var textDivProperties={style:null,angle:0,canvasWidth:0,isWhitespace:false,originalTransform:null,paddingBottom:0,paddingLeft:0,paddingRight:0,paddingTop:0,scale:1};task._textDivs.push(textDiv);if(isAllWhitespace(geom.str)){textDivProperties.isWhitespace=true;task._textDivProperties.set(textDiv,textDivProperties);return}var tx=Util.transform(task._viewport.transform,geom.transform);var angle=Math.atan2(tx[1],tx[0]);var style=styles[geom.fontName];if(style.vertical){angle+=Math.PI/2}var fontHeight=Math.sqrt(tx[2]*tx[2]+tx[3]*tx[3]);var fontAscent=fontHeight;if(style.ascent){fontAscent=style.ascent*fontAscent}else if(style.descent){fontAscent=(1+style.descent)*fontAscent}var left;var top;if(angle===0){left=tx[4];top=tx[5]-fontAscent}else{left=tx[4]+fontAscent*Math.sin(angle);top=tx[5]-fontAscent*Math.cos(angle)}styleBuf[1]=left;styleBuf[3]=top;styleBuf[5]=fontHeight;styleBuf[7]=style.fontFamily;textDivProperties.style=styleBuf.join("");textDiv.setAttribute("style",textDivProperties.style);textDiv.textContent=geom.str;if(getDefaultSetting("pdfBug")){textDiv.dataset.fontName=geom.fontName}if(angle!==0){textDivProperties.angle=angle*(180/Math.PI)}if(geom.str.length>1){if(style.vertical){textDivProperties.canvasWidth=geom.height*task._viewport.scale}else{textDivProperties.canvasWidth=geom.width*task._viewport.scale}}task._textDivProperties.set(textDiv,textDivProperties);if(task._enhanceTextSelection){var angleCos=1,angleSin=0;if(angle!==0){angleCos=Math.cos(angle);angleSin=Math.sin(angle)}var divWidth=(style.vertical?geom.height:geom.width)*task._viewport.scale;var divHeight=fontHeight;var m,b;if(angle!==0){m=[angleCos,angleSin,-angleSin,angleCos,left,top];b=Util.getAxialAlignedBoundingBox([0,0,divWidth,divHeight],m)}else{b=[left,top,left+divWidth,top+divHeight]}task._bounds.push({left:b[0],top:b[1],right:b[2],bottom:b[3],div:textDiv,size:[divWidth,divHeight],m:m})}}function render(task){if(task._canceled){return}var textLayerFrag=task._container;var textDivs=task._textDivs;var capability=task._capability;var textDivsLength=textDivs.length;if(textDivsLength>MAX_TEXT_DIVS_TO_RENDER){task._renderingDone=true;capability.resolve();return}var canvas=document.createElement("canvas");canvas.mozOpaque=true;var ctx=canvas.getContext("2d",{alpha:false});var lastFontSize;var lastFontFamily;for(var i=0;i<textDivsLength;i++){var textDiv=textDivs[i];var textDivProperties=task._textDivProperties.get(textDiv);if(textDivProperties.isWhitespace){continue}var fontSize=textDiv.style.fontSize;var fontFamily=textDiv.style.fontFamily;if(fontSize!==lastFontSize||fontFamily!==lastFontFamily){ctx.font=fontSize+" "+fontFamily;lastFontSize=fontSize;lastFontFamily=fontFamily}var width=ctx.measureText(textDiv.textContent).width;textLayerFrag.appendChild(textDiv);var transform="";if(textDivProperties.canvasWidth!==0&&width>0){textDivProperties.scale=textDivProperties.canvasWidth/width;transform="scaleX("+textDivProperties.scale+")"}if(textDivProperties.angle!==0){transform="rotate("+textDivProperties.angle+"deg) "+transform}if(transform!==""){textDivProperties.originalTransform=transform;CustomStyle.setProp("transform",textDiv,transform)}task._textDivProperties.set(textDiv,textDivProperties)}task._renderingDone=true;capability.resolve()}function expand(task){var bounds=task._bounds;var viewport=task._viewport;var expanded=expandBounds(viewport.width,viewport.height,bounds);for(var i=0;i<expanded.length;i++){var div=bounds[i].div;var divProperties=task._textDivProperties.get(div);if(divProperties.angle===0){divProperties.paddingLeft=bounds[i].left-expanded[i].left;divProperties.paddingTop=bounds[i].top-expanded[i].top;divProperties.paddingRight=expanded[i].right-bounds[i].right;divProperties.paddingBottom=expanded[i].bottom-bounds[i].bottom;task._textDivProperties.set(div,divProperties);continue}var e=expanded[i],b=bounds[i];var m=b.m,c=m[0],s=m[1];var points=[[0,0],[0,b.size[1]],[b.size[0],0],b.size];var ts=new Float64Array(64);points.forEach(function(p,i){var t=Util.applyTransform(p,m);ts[i+0]=c&&(e.left-t[0])/c;ts[i+4]=s&&(e.top-t[1])/s;ts[i+8]=c&&(e.right-t[0])/c;ts[i+12]=s&&(e.bottom-t[1])/s;ts[i+16]=s&&(e.left-t[0])/-s;ts[i+20]=c&&(e.top-t[1])/c;ts[i+24]=s&&(e.right-t[0])/-s;ts[i+28]=c&&(e.bottom-t[1])/c;ts[i+32]=c&&(e.left-t[0])/-c;ts[i+36]=s&&(e.top-t[1])/-s;ts[i+40]=c&&(e.right-t[0])/-c;ts[i+44]=s&&(e.bottom-t[1])/-s;ts[i+48]=s&&(e.left-t[0])/s;ts[i+52]=c&&(e.top-t[1])/-c;ts[i+56]=s&&(e.right-t[0])/s;ts[i+60]=c&&(e.bottom-t[1])/-c});var findPositiveMin=function(ts,offset,count){var result=0;for(var i=0;i<count;i++){var t=ts[offset++];if(t>0){result=result?Math.min(t,result):t}}return result};var boxScale=1+Math.min(Math.abs(c),Math.abs(s));divProperties.paddingLeft=findPositiveMin(ts,32,16)/boxScale;divProperties.paddingTop=findPositiveMin(ts,48,16)/boxScale;divProperties.paddingRight=findPositiveMin(ts,0,16)/boxScale;divProperties.paddingBottom=findPositiveMin(ts,16,16)/boxScale;task._textDivProperties.set(div,divProperties)}}function expandBounds(width,height,boxes){var bounds=boxes.map(function(box,i){return{x1:box.left,y1:box.top,x2:box.right,y2:box.bottom,index:i,x1New:undefined,x2New:undefined}});expandBoundsLTR(width,bounds);var expanded=new Array(boxes.length);bounds.forEach(function(b){var i=b.index;expanded[i]={left:b.x1New,top:0,right:b.x2New,bottom:0}});boxes.map(function(box,i){var e=expanded[i],b=bounds[i];b.x1=box.top;b.y1=width-e.right;b.x2=box.bottom;b.y2=width-e.left;b.index=i;b.x1New=undefined;b.x2New=undefined});expandBoundsLTR(height,bounds);bounds.forEach(function(b){var i=b.index;expanded[i].top=b.x1New;expanded[i].bottom=b.x2New});return expanded}function expandBoundsLTR(width,bounds){bounds.sort(function(a,b){return a.x1-b.x1||a.index-b.index});var fakeBoundary={x1:-Infinity,y1:-Infinity,x2:0,y2:Infinity,index:-1,x1New:0,x2New:0};var horizon=[{start:-Infinity,end:Infinity,boundary:fakeBoundary}];bounds.forEach(function(boundary){var i=0;while(i<horizon.length&&horizon[i].end<=boundary.y1){i++}var j=horizon.length-1;while(j>=0&&horizon[j].start>=boundary.y2){j--}var horizonPart,affectedBoundary;var q,k,maxXNew=-Infinity;for(q=i;q<=j;q++){horizonPart=horizon[q];affectedBoundary=horizonPart.boundary;var xNew;if(affectedBoundary.x2>boundary.x1){xNew=affectedBoundary.index>boundary.index?affectedBoundary.x1New:boundary.x1}else if(affectedBoundary.x2New===undefined){xNew=(affectedBoundary.x2+boundary.x1)/2}else{xNew=affectedBoundary.x2New}if(xNew>maxXNew){maxXNew=xNew}}boundary.x1New=maxXNew;for(q=i;q<=j;q++){horizonPart=horizon[q];affectedBoundary=horizonPart.boundary;if(affectedBoundary.x2New===undefined){if(affectedBoundary.x2>boundary.x1){if(affectedBoundary.index>boundary.index){affectedBoundary.x2New=affectedBoundary.x2}}else{affectedBoundary.x2New=maxXNew}}else if(affectedBoundary.x2New>maxXNew){affectedBoundary.x2New=Math.max(maxXNew,affectedBoundary.x2)}}var changedHorizon=[],lastBoundary=null;for(q=i;q<=j;q++){horizonPart=horizon[q];affectedBoundary=horizonPart.boundary;var useBoundary=affectedBoundary.x2>boundary.x2?affectedBoundary:boundary;if(lastBoundary===useBoundary){changedHorizon[changedHorizon.length-1].end=horizonPart.end}else{changedHorizon.push({start:horizonPart.start,end:horizonPart.end,boundary:useBoundary});lastBoundary=useBoundary}}if(horizon[i].start<boundary.y1){changedHorizon[0].start=boundary.y1;changedHorizon.unshift({start:horizon[i].start,end:boundary.y1,boundary:horizon[i].boundary})}if(boundary.y2<horizon[j].end){changedHorizon[changedHorizon.length-1].end=boundary.y2;changedHorizon.push({start:boundary.y2,end:horizon[j].end,boundary:horizon[j].boundary})}for(q=i;q<=j;q++){horizonPart=horizon[q];affectedBoundary=horizonPart.boundary;if(affectedBoundary.x2New!==undefined){continue}var used=false;for(k=i-1;!used&&k>=0&&horizon[k].start>=affectedBoundary.y1;k--){used=horizon[k].boundary===affectedBoundary}for(k=j+1;!used&&k<horizon.length&&horizon[k].end<=affectedBoundary.y2;k++){used=horizon[k].boundary===affectedBoundary}for(k=0;!used&&k<changedHorizon.length;k++){used=changedHorizon[k].boundary===affectedBoundary}if(!used){affectedBoundary.x2New=maxXNew}}Array.prototype.splice.apply(horizon,[i,j-i+1].concat(changedHorizon))});horizon.forEach(function(horizonPart){var affectedBoundary=horizonPart.boundary;if(affectedBoundary.x2New===undefined){affectedBoundary.x2New=Math.max(width,affectedBoundary.x2)}})}function TextLayerRenderTask(textContent,container,viewport,textDivs,enhanceTextSelection){this._textContent=textContent;this._container=container;this._viewport=viewport;this._textDivs=textDivs||[];this._textDivProperties=new WeakMap;this._renderingDone=false;this._canceled=false;this._capability=createPromiseCapability();this._renderTimer=null;this._bounds=[];this._enhanceTextSelection=!!enhanceTextSelection}TextLayerRenderTask.prototype={get promise(){return this._capability.promise},cancel:function TextLayer_cancel(){this._canceled=true;if(this._renderTimer!==null){clearTimeout(this._renderTimer);this._renderTimer=null}this._capability.reject("canceled")},_render:function TextLayer_render(timeout){var textItems=this._textContent.items;var textStyles=this._textContent.styles;for(var i=0,len=textItems.length;i<len;i++){appendText(this,textItems[i],textStyles)}if(!timeout){render(this)}else{var self=this;this._renderTimer=setTimeout(function(){render(self);self._renderTimer=null},timeout)}},expandTextDivs:function TextLayer_expandTextDivs(expandDivs){if(!this._enhanceTextSelection||!this._renderingDone){return}if(this._bounds!==null){expand(this);this._bounds=null}for(var i=0,ii=this._textDivs.length;i<ii;i++){var div=this._textDivs[i];var divProperties=this._textDivProperties.get(div);if(divProperties.isWhitespace){continue}if(expandDivs){var transform="",padding="";if(divProperties.scale!==1){transform="scaleX("+divProperties.scale+")"}if(divProperties.angle!==0){transform="rotate("+divProperties.angle+"deg) "+transform}if(divProperties.paddingLeft!==0){padding+=" padding-left: "+divProperties.paddingLeft/divProperties.scale+"px;";transform+=" translateX("+-divProperties.paddingLeft/divProperties.scale+"px)"}if(divProperties.paddingTop!==0){padding+=" padding-top: "+divProperties.paddingTop+"px;";transform+=" translateY("+-divProperties.paddingTop+"px)"}if(divProperties.paddingRight!==0){padding+=" padding-right: "+divProperties.paddingRight/divProperties.scale+"px;"}if(divProperties.paddingBottom!==0){padding+=" padding-bottom: "+divProperties.paddingBottom+"px;"}if(padding!==""){div.setAttribute("style",divProperties.style+padding)}if(transform!==""){CustomStyle.setProp("transform",div,transform)}}else{div.style.padding=0;CustomStyle.setProp("transform",div,divProperties.originalTransform||"")}}}};function renderTextLayer(renderParameters){var task=new TextLayerRenderTask(renderParameters.textContent,renderParameters.container,renderParameters.viewport,renderParameters.textDivs,renderParameters.enhanceTextSelection);task._render(renderParameters.timeout);return task}return renderTextLayer}();exports.renderTextLayer=renderTextLayer});(function(root,factory){{factory(root.pdfjsDisplayWebGL={},root.pdfjsSharedUtil,root.pdfjsDisplayDOMUtils)}})(this,function(exports,sharedUtil,displayDOMUtils){var shadow=sharedUtil.shadow;var getDefaultSetting=displayDOMUtils.getDefaultSetting;var WebGLUtils=function WebGLUtilsClosure(){function loadShader(gl,code,shaderType){var shader=gl.createShader(shaderType);gl.shaderSource(shader,code);gl.compileShader(shader);var compiled=gl.getShaderParameter(shader,gl.COMPILE_STATUS);if(!compiled){var errorMsg=gl.getShaderInfoLog(shader);throw new Error("Error during shader compilation: "+errorMsg)}return shader}function createVertexShader(gl,code){return loadShader(gl,code,gl.VERTEX_SHADER)}function createFragmentShader(gl,code){return loadShader(gl,code,gl.FRAGMENT_SHADER)}function createProgram(gl,shaders){var program=gl.createProgram();for(var i=0,ii=shaders.length;i<ii;++i){gl.attachShader(program,shaders[i])}gl.linkProgram(program);var linked=gl.getProgramParameter(program,gl.LINK_STATUS);if(!linked){var errorMsg=gl.getProgramInfoLog(program);throw new Error("Error during program linking: "+errorMsg)}return program}function createTexture(gl,image,textureId){gl.activeTexture(textureId);var texture=gl.createTexture();gl.bindTexture(gl.TEXTURE_2D,texture);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.NEAREST);gl.texImage2D(gl.TEXTURE_2D,0,gl.RGBA,gl.RGBA,gl.UNSIGNED_BYTE,image);return texture}var currentGL,currentCanvas;function generateGL(){if(currentGL){return}currentCanvas=document.createElement("canvas");currentGL=currentCanvas.getContext("webgl",{premultipliedalpha:false})}var smaskVertexShaderCode=" attribute vec2 a_position; attribute vec2 a_texCoord; uniform vec2 u_resolution; varying vec2 v_texCoord; void main() { vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); v_texCoord = a_texCoord; } ";var smaskFragmentShaderCode=" precision mediump float; uniform vec4 u_backdrop; uniform int u_subtype; uniform sampler2D u_image; uniform sampler2D u_mask; varying vec2 v_texCoord; void main() { vec4 imageColor = texture2D(u_image, v_texCoord); vec4 maskColor = texture2D(u_mask, v_texCoord); if (u_backdrop.a > 0.0) { maskColor.rgb = maskColor.rgb * maskColor.a + u_backdrop.rgb * (1.0 - maskColor.a); } float lum; if (u_subtype == 0) { lum = maskColor.a; } else { lum = maskColor.r * 0.3 + maskColor.g * 0.59 + maskColor.b * 0.11; } imageColor.a *= lum; imageColor.rgb *= imageColor.a; gl_FragColor = imageColor; } ";var smaskCache=null;function initSmaskGL(){var canvas,gl;generateGL();canvas=currentCanvas;currentCanvas=null;gl=currentGL;currentGL=null;var vertexShader=createVertexShader(gl,smaskVertexShaderCode);var fragmentShader=createFragmentShader(gl,smaskFragmentShaderCode);var program=createProgram(gl,[vertexShader,fragmentShader]);gl.useProgram(program);var cache={};cache.gl=gl;cache.canvas=canvas;cache.resolutionLocation=gl.getUniformLocation(program,"u_resolution");cache.positionLocation=gl.getAttribLocation(program,"a_position");cache.backdropLocation=gl.getUniformLocation(program,"u_backdrop");cache.subtypeLocation=gl.getUniformLocation(program,"u_subtype");var texCoordLocation=gl.getAttribLocation(program,"a_texCoord");var texLayerLocation=gl.getUniformLocation(program,"u_image");var texMaskLocation=gl.getUniformLocation(program,"u_mask");var texCoordBuffer=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,texCoordBuffer);gl.bufferData(gl.ARRAY_BUFFER,new Float32Array([0,0,1,0,0,1,0,1,1,0,1,1]),gl.STATIC_DRAW);gl.enableVertexAttribArray(texCoordLocation);gl.vertexAttribPointer(texCoordLocation,2,gl.FLOAT,false,0,0);gl.uniform1i(texLayerLocation,0);gl.uniform1i(texMaskLocation,1);smaskCache=cache}function composeSMask(layer,mask,properties){var width=layer.width,height=layer.height;if(!smaskCache){initSmaskGL()}var cache=smaskCache,canvas=cache.canvas,gl=cache.gl;canvas.width=width;canvas.height=height;gl.viewport(0,0,gl.drawingBufferWidth,gl.drawingBufferHeight);gl.uniform2f(cache.resolutionLocation,width,height);if(properties.backdrop){gl.uniform4f(cache.resolutionLocation,properties.backdrop[0],properties.backdrop[1],properties.backdrop[2],1)}else{gl.uniform4f(cache.resolutionLocation,0,0,0,0)}gl.uniform1i(cache.subtypeLocation,properties.subtype==="Luminosity"?1:0);var texture=createTexture(gl,layer,gl.TEXTURE0);var maskTexture=createTexture(gl,mask,gl.TEXTURE1);var buffer=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,buffer);gl.bufferData(gl.ARRAY_BUFFER,new Float32Array([0,0,width,0,0,height,0,height,width,0,width,height]),gl.STATIC_DRAW);gl.enableVertexAttribArray(cache.positionLocation);gl.vertexAttribPointer(cache.positionLocation,2,gl.FLOAT,false,0,0);gl.clearColor(0,0,0,0);gl.enable(gl.BLEND);gl.blendFunc(gl.ONE,gl.ONE_MINUS_SRC_ALPHA);gl.clear(gl.COLOR_BUFFER_BIT);gl.drawArrays(gl.TRIANGLES,0,6);gl.flush();gl.deleteTexture(texture);gl.deleteTexture(maskTexture);gl.deleteBuffer(buffer);return canvas}var figuresVertexShaderCode=" attribute vec2 a_position; attribute vec3 a_color; uniform vec2 u_resolution; uniform vec2 u_scale; uniform vec2 u_offset; varying vec4 v_color; void main() { vec2 position = (a_position + u_offset) * u_scale; vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); v_color = vec4(a_color / 255.0, 1.0); } ";var figuresFragmentShaderCode=" precision mediump float; varying vec4 v_color; void main() { gl_FragColor = v_color; } ";var figuresCache=null;function initFiguresGL(){var canvas,gl;generateGL();canvas=currentCanvas;currentCanvas=null;gl=currentGL;currentGL=null;var vertexShader=createVertexShader(gl,figuresVertexShaderCode);var fragmentShader=createFragmentShader(gl,figuresFragmentShaderCode);var program=createProgram(gl,[vertexShader,fragmentShader]);gl.useProgram(program);var cache={};cache.gl=gl;cache.canvas=canvas;cache.resolutionLocation=gl.getUniformLocation(program,"u_resolution");cache.scaleLocation=gl.getUniformLocation(program,"u_scale");cache.offsetLocation=gl.getUniformLocation(program,"u_offset");cache.positionLocation=gl.getAttribLocation(program,"a_position");cache.colorLocation=gl.getAttribLocation(program,"a_color");figuresCache=cache}function drawFigures(width,height,backgroundColor,figures,context){if(!figuresCache){initFiguresGL()}var cache=figuresCache,canvas=cache.canvas,gl=cache.gl;canvas.width=width;canvas.height=height;gl.viewport(0,0,gl.drawingBufferWidth,gl.drawingBufferHeight);gl.uniform2f(cache.resolutionLocation,width,height);var count=0;var i,ii,rows;for(i=0,ii=figures.length;i<ii;i++){switch(figures[i].type){case"lattice":rows=figures[i].coords.length/figures[i].verticesPerRow|0;count+=(rows-1)*(figures[i].verticesPerRow-1)*6;break;case"triangles":count+=figures[i].coords.length;break}}var coords=new Float32Array(count*2);var colors=new Uint8Array(count*3);var coordsMap=context.coords,colorsMap=context.colors;var pIndex=0,cIndex=0;for(i=0,ii=figures.length;i<ii;i++){var figure=figures[i],ps=figure.coords,cs=figure.colors;switch(figure.type){case"lattice":var cols=figure.verticesPerRow;rows=ps.length/cols|0;for(var row=1;row<rows;row++){var offset=row*cols+1;for(var col=1;col<cols;col++,offset++){coords[pIndex]=coordsMap[ps[offset-cols-1]];coords[pIndex+1]=coordsMap[ps[offset-cols-1]+1];coords[pIndex+2]=coordsMap[ps[offset-cols]];coords[pIndex+3]=coordsMap[ps[offset-cols]+1];coords[pIndex+4]=coordsMap[ps[offset-1]];coords[pIndex+5]=coordsMap[ps[offset-1]+1];colors[cIndex]=colorsMap[cs[offset-cols-1]];colors[cIndex+1]=colorsMap[cs[offset-cols-1]+1];colors[cIndex+2]=colorsMap[cs[offset-cols-1]+2];colors[cIndex+3]=colorsMap[cs[offset-cols]];colors[cIndex+4]=colorsMap[cs[offset-cols]+1];colors[cIndex+5]=colorsMap[cs[offset-cols]+2];colors[cIndex+6]=colorsMap[cs[offset-1]];colors[cIndex+7]=colorsMap[cs[offset-1]+1];colors[cIndex+8]=colorsMap[cs[offset-1]+2];coords[pIndex+6]=coords[pIndex+2];coords[pIndex+7]=coords[pIndex+3];coords[pIndex+8]=coords[pIndex+4];coords[pIndex+9]=coords[pIndex+5];coords[pIndex+10]=coordsMap[ps[offset]];coords[pIndex+11]=coordsMap[ps[offset]+1];colors[cIndex+9]=colors[cIndex+3];colors[cIndex+10]=colors[cIndex+4];colors[cIndex+11]=colors[cIndex+5];colors[cIndex+12]=colors[cIndex+6];colors[cIndex+13]=colors[cIndex+7];colors[cIndex+14]=colors[cIndex+8];colors[cIndex+15]=colorsMap[cs[offset]];colors[cIndex+16]=colorsMap[cs[offset]+1];colors[cIndex+17]=colorsMap[cs[offset]+2];pIndex+=12;cIndex+=18}}break;case"triangles":for(var j=0,jj=ps.length;j<jj;j++){coords[pIndex]=coordsMap[ps[j]];coords[pIndex+1]=coordsMap[ps[j]+1];colors[cIndex]=colorsMap[cs[j]];colors[cIndex+1]=colorsMap[cs[j]+1];colors[cIndex+2]=colorsMap[cs[j]+2];pIndex+=2;cIndex+=3}break}}if(backgroundColor){gl.clearColor(backgroundColor[0]/255,backgroundColor[1]/255,backgroundColor[2]/255,1)}else{gl.clearColor(0,0,0,0)}gl.clear(gl.COLOR_BUFFER_BIT);var coordsBuffer=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,coordsBuffer);gl.bufferData(gl.ARRAY_BUFFER,coords,gl.STATIC_DRAW);gl.enableVertexAttribArray(cache.positionLocation);gl.vertexAttribPointer(cache.positionLocation,2,gl.FLOAT,false,0,0);var colorsBuffer=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,colorsBuffer);gl.bufferData(gl.ARRAY_BUFFER,colors,gl.STATIC_DRAW);gl.enableVertexAttribArray(cache.colorLocation);gl.vertexAttribPointer(cache.colorLocation,3,gl.UNSIGNED_BYTE,false,0,0);gl.uniform2f(cache.scaleLocation,context.scaleX,context.scaleY);gl.uniform2f(cache.offsetLocation,context.offsetX,context.offsetY);gl.drawArrays(gl.TRIANGLES,0,count);gl.flush();gl.deleteBuffer(coordsBuffer);gl.deleteBuffer(colorsBuffer);return canvas}function cleanup(){if(smaskCache&&smaskCache.canvas){smaskCache.canvas.width=0;smaskCache.canvas.height=0}if(figuresCache&&figuresCache.canvas){figuresCache.canvas.width=0;figuresCache.canvas.height=0}smaskCache=null;figuresCache=null}return{get isEnabled(){if(getDefaultSetting("disableWebGL")){return false}var enabled=false;try{generateGL();enabled=!!currentGL}catch(e){}return shadow(this,"isEnabled",enabled)},composeSMask:composeSMask,drawFigures:drawFigures,clear:cleanup}}();exports.WebGLUtils=WebGLUtils});(function(root,factory){{factory(root.pdfjsDisplayPatternHelper={},root.pdfjsSharedUtil,root.pdfjsDisplayWebGL)}})(this,function(exports,sharedUtil,displayWebGL){var Util=sharedUtil.Util;var info=sharedUtil.info;var isArray=sharedUtil.isArray;var error=sharedUtil.error;var WebGLUtils=displayWebGL.WebGLUtils;var ShadingIRs={};ShadingIRs.RadialAxial={fromIR:function RadialAxial_fromIR(raw){var type=raw[1];var colorStops=raw[2];var p0=raw[3];var p1=raw[4];var r0=raw[5];var r1=raw[6];return{type:"Pattern",getPattern:function RadialAxial_getPattern(ctx){var grad;if(type==="axial"){grad=ctx.createLinearGradient(p0[0],p0[1],p1[0],p1[1])}else if(type==="radial"){grad=ctx.createRadialGradient(p0[0],p0[1],r0,p1[0],p1[1],r1)}for(var i=0,ii=colorStops.length;i<ii;++i){var c=colorStops[i];grad.addColorStop(c[0],c[1])}return grad}}}};var createMeshCanvas=function createMeshCanvasClosure(){function drawTriangle(data,context,p1,p2,p3,c1,c2,c3){var coords=context.coords,colors=context.colors;var bytes=data.data,rowSize=data.width*4;var tmp;if(coords[p1+1]>coords[p2+1]){tmp=p1;p1=p2;p2=tmp;tmp=c1;c1=c2;c2=tmp}if(coords[p2+1]>coords[p3+1]){tmp=p2;p2=p3;p3=tmp;tmp=c2;c2=c3;c3=tmp}if(coords[p1+1]>coords[p2+1]){tmp=p1;p1=p2;p2=tmp;tmp=c1;c1=c2;c2=tmp}var x1=(coords[p1]+context.offsetX)*context.scaleX;var y1=(coords[p1+1]+context.offsetY)*context.scaleY;var x2=(coords[p2]+context.offsetX)*context.scaleX;var y2=(coords[p2+1]+context.offsetY)*context.scaleY;var x3=(coords[p3]+context.offsetX)*context.scaleX;var y3=(coords[p3+1]+context.offsetY)*context.scaleY;if(y1>=y3){return}var c1r=colors[c1],c1g=colors[c1+1],c1b=colors[c1+2];var c2r=colors[c2],c2g=colors[c2+1],c2b=colors[c2+2];var c3r=colors[c3],c3g=colors[c3+1],c3b=colors[c3+2];var minY=Math.round(y1),maxY=Math.round(y3);var xa,car,cag,cab;var xb,cbr,cbg,cbb;var k;for(var y=minY;y<=maxY;y++){if(y<y2){k=y<y1?0:y1===y2?1:(y1-y)/(y1-y2);xa=x1-(x1-x2)*k;car=c1r-(c1r-c2r)*k;cag=c1g-(c1g-c2g)*k;cab=c1b-(c1b-c2b)*k}else{k=y>y3?1:y2===y3?0:(y2-y)/(y2-y3);xa=x2-(x2-x3)*k;car=c2r-(c2r-c3r)*k;cag=c2g-(c2g-c3g)*k;cab=c2b-(c2b-c3b)*k}k=y<y1?0:y>y3?1:(y1-y)/(y1-y3);xb=x1-(x1-x3)*k;cbr=c1r-(c1r-c3r)*k;cbg=c1g-(c1g-c3g)*k;cbb=c1b-(c1b-c3b)*k;var x1_=Math.round(Math.min(xa,xb));var x2_=Math.round(Math.max(xa,xb));var j=rowSize*y+x1_*4;for(var x=x1_;x<=x2_;x++){k=(xa-x)/(xa-xb);k=k<0?0:k>1?1:k;bytes[j++]=car-(car-cbr)*k|0;bytes[j++]=cag-(cag-cbg)*k|0;bytes[j++]=cab-(cab-cbb)*k|0;bytes[j++]=255}}}function drawFigure(data,figure,context){var ps=figure.coords;var cs=figure.colors;var i,ii;switch(figure.type){case"lattice":var verticesPerRow=figure.verticesPerRow;var rows=Math.floor(ps.length/verticesPerRow)-1;var cols=verticesPerRow-1;for(i=0;i<rows;i++){var q=i*verticesPerRow;for(var j=0;j<cols;j++,q++){drawTriangle(data,context,ps[q],ps[q+1],ps[q+verticesPerRow],cs[q],cs[q+1],cs[q+verticesPerRow]);drawTriangle(data,context,ps[q+verticesPerRow+1],ps[q+1],ps[q+verticesPerRow],cs[q+verticesPerRow+1],cs[q+1],cs[q+verticesPerRow])}}break;case"triangles":for(i=0,ii=ps.length;i<ii;i+=3){drawTriangle(data,context,ps[i],ps[i+1],ps[i+2],cs[i],cs[i+1],cs[i+2])
+}break;default:error("illigal figure");break}}function createMeshCanvas(bounds,combinesScale,coords,colors,figures,backgroundColor,cachedCanvases){var EXPECTED_SCALE=1.1;var MAX_PATTERN_SIZE=3e3;var BORDER_SIZE=2;var offsetX=Math.floor(bounds[0]);var offsetY=Math.floor(bounds[1]);var boundsWidth=Math.ceil(bounds[2])-offsetX;var boundsHeight=Math.ceil(bounds[3])-offsetY;var width=Math.min(Math.ceil(Math.abs(boundsWidth*combinesScale[0]*EXPECTED_SCALE)),MAX_PATTERN_SIZE);var height=Math.min(Math.ceil(Math.abs(boundsHeight*combinesScale[1]*EXPECTED_SCALE)),MAX_PATTERN_SIZE);var scaleX=boundsWidth/width;var scaleY=boundsHeight/height;var context={coords:coords,colors:colors,offsetX:-offsetX,offsetY:-offsetY,scaleX:1/scaleX,scaleY:1/scaleY};var paddedWidth=width+BORDER_SIZE*2;var paddedHeight=height+BORDER_SIZE*2;var canvas,tmpCanvas,i,ii;if(WebGLUtils.isEnabled){canvas=WebGLUtils.drawFigures(width,height,backgroundColor,figures,context);tmpCanvas=cachedCanvases.getCanvas("mesh",paddedWidth,paddedHeight,false);tmpCanvas.context.drawImage(canvas,BORDER_SIZE,BORDER_SIZE);canvas=tmpCanvas.canvas}else{tmpCanvas=cachedCanvases.getCanvas("mesh",paddedWidth,paddedHeight,false);var tmpCtx=tmpCanvas.context;var data=tmpCtx.createImageData(width,height);if(backgroundColor){var bytes=data.data;for(i=0,ii=bytes.length;i<ii;i+=4){bytes[i]=backgroundColor[0];bytes[i+1]=backgroundColor[1];bytes[i+2]=backgroundColor[2];bytes[i+3]=255}}for(i=0;i<figures.length;i++){drawFigure(data,figures[i],context)}tmpCtx.putImageData(data,BORDER_SIZE,BORDER_SIZE);canvas=tmpCanvas.canvas}return{canvas:canvas,offsetX:offsetX-BORDER_SIZE*scaleX,offsetY:offsetY-BORDER_SIZE*scaleY,scaleX:scaleX,scaleY:scaleY}}return createMeshCanvas}();ShadingIRs.Mesh={fromIR:function Mesh_fromIR(raw){var coords=raw[2];var colors=raw[3];var figures=raw[4];var bounds=raw[5];var matrix=raw[6];var background=raw[8];return{type:"Pattern",getPattern:function Mesh_getPattern(ctx,owner,shadingFill){var scale;if(shadingFill){scale=Util.singularValueDecompose2dScale(ctx.mozCurrentTransform)}else{scale=Util.singularValueDecompose2dScale(owner.baseTransform);if(matrix){var matrixScale=Util.singularValueDecompose2dScale(matrix);scale=[scale[0]*matrixScale[0],scale[1]*matrixScale[1]]}}var temporaryPatternCanvas=createMeshCanvas(bounds,scale,coords,colors,figures,shadingFill?null:background,owner.cachedCanvases);if(!shadingFill){ctx.setTransform.apply(ctx,owner.baseTransform);if(matrix){ctx.transform.apply(ctx,matrix)}}ctx.translate(temporaryPatternCanvas.offsetX,temporaryPatternCanvas.offsetY);ctx.scale(temporaryPatternCanvas.scaleX,temporaryPatternCanvas.scaleY);return ctx.createPattern(temporaryPatternCanvas.canvas,"no-repeat")}}}};ShadingIRs.Dummy={fromIR:function Dummy_fromIR(){return{type:"Pattern",getPattern:function Dummy_fromIR_getPattern(){return"hotpink"}}}};function getShadingPatternFromIR(raw){var shadingIR=ShadingIRs[raw[0]];if(!shadingIR){error("Unknown IR type: "+raw[0])}return shadingIR.fromIR(raw)}var TilingPattern=function TilingPatternClosure(){var PaintType={COLORED:1,UNCOLORED:2};var MAX_PATTERN_SIZE=3e3;function TilingPattern(IR,color,ctx,canvasGraphicsFactory,baseTransform){this.operatorList=IR[2];this.matrix=IR[3]||[1,0,0,1,0,0];this.bbox=IR[4];this.xstep=IR[5];this.ystep=IR[6];this.paintType=IR[7];this.tilingType=IR[8];this.color=color;this.canvasGraphicsFactory=canvasGraphicsFactory;this.baseTransform=baseTransform;this.type="Pattern";this.ctx=ctx}TilingPattern.prototype={createPatternCanvas:function TilinPattern_createPatternCanvas(owner){var operatorList=this.operatorList;var bbox=this.bbox;var xstep=this.xstep;var ystep=this.ystep;var paintType=this.paintType;var tilingType=this.tilingType;var color=this.color;var canvasGraphicsFactory=this.canvasGraphicsFactory;info("TilingType: "+tilingType);var x0=bbox[0],y0=bbox[1],x1=bbox[2],y1=bbox[3];var topLeft=[x0,y0];var botRight=[x0+xstep,y0+ystep];var width=botRight[0]-topLeft[0];var height=botRight[1]-topLeft[1];var matrixScale=Util.singularValueDecompose2dScale(this.matrix);var curMatrixScale=Util.singularValueDecompose2dScale(this.baseTransform);var combinedScale=[matrixScale[0]*curMatrixScale[0],matrixScale[1]*curMatrixScale[1]];width=Math.min(Math.ceil(Math.abs(width*combinedScale[0])),MAX_PATTERN_SIZE);height=Math.min(Math.ceil(Math.abs(height*combinedScale[1])),MAX_PATTERN_SIZE);var tmpCanvas=owner.cachedCanvases.getCanvas("pattern",width,height,true);var tmpCtx=tmpCanvas.context;var graphics=canvasGraphicsFactory.createCanvasGraphics(tmpCtx);graphics.groupLevel=owner.groupLevel;this.setFillAndStrokeStyleToContext(tmpCtx,paintType,color);this.setScale(width,height,xstep,ystep);this.transformToScale(graphics);var tmpTranslate=[1,0,0,1,-topLeft[0],-topLeft[1]];graphics.transform.apply(graphics,tmpTranslate);this.clipBbox(graphics,bbox,x0,y0,x1,y1);graphics.executeOperatorList(operatorList);return tmpCanvas.canvas},setScale:function TilingPattern_setScale(width,height,xstep,ystep){this.scale=[width/xstep,height/ystep]},transformToScale:function TilingPattern_transformToScale(graphics){var scale=this.scale;var tmpScale=[scale[0],0,0,scale[1],0,0];graphics.transform.apply(graphics,tmpScale)},scaleToContext:function TilingPattern_scaleToContext(){var scale=this.scale;this.ctx.scale(1/scale[0],1/scale[1])},clipBbox:function clipBbox(graphics,bbox,x0,y0,x1,y1){if(bbox&&isArray(bbox)&&bbox.length===4){var bboxWidth=x1-x0;var bboxHeight=y1-y0;graphics.ctx.rect(x0,y0,bboxWidth,bboxHeight);graphics.clip();graphics.endPath()}},setFillAndStrokeStyleToContext:function setFillAndStrokeStyleToContext(context,paintType,color){switch(paintType){case PaintType.COLORED:var ctx=this.ctx;context.fillStyle=ctx.fillStyle;context.strokeStyle=ctx.strokeStyle;break;case PaintType.UNCOLORED:var cssColor=Util.makeCssRgb(color[0],color[1],color[2]);context.fillStyle=cssColor;context.strokeStyle=cssColor;break;default:error("Unsupported paint type: "+paintType)}},getPattern:function TilingPattern_getPattern(ctx,owner){var temporaryPatternCanvas=this.createPatternCanvas(owner);ctx=this.ctx;ctx.setTransform.apply(ctx,this.baseTransform);ctx.transform.apply(ctx,this.matrix);this.scaleToContext();return ctx.createPattern(temporaryPatternCanvas,"repeat")}};return TilingPattern}();exports.getShadingPatternFromIR=getShadingPatternFromIR;exports.TilingPattern=TilingPattern});(function(root,factory){{factory(root.pdfjsDisplayCanvas={},root.pdfjsSharedUtil,root.pdfjsDisplayDOMUtils,root.pdfjsDisplayPatternHelper,root.pdfjsDisplayWebGL)}})(this,function(exports,sharedUtil,displayDOMUtils,displayPatternHelper,displayWebGL){var FONT_IDENTITY_MATRIX=sharedUtil.FONT_IDENTITY_MATRIX;var IDENTITY_MATRIX=sharedUtil.IDENTITY_MATRIX;var ImageKind=sharedUtil.ImageKind;var OPS=sharedUtil.OPS;var TextRenderingMode=sharedUtil.TextRenderingMode;var Uint32ArrayView=sharedUtil.Uint32ArrayView;var Util=sharedUtil.Util;var assert=sharedUtil.assert;var info=sharedUtil.info;var isNum=sharedUtil.isNum;var isArray=sharedUtil.isArray;var isLittleEndian=sharedUtil.isLittleEndian;var error=sharedUtil.error;var shadow=sharedUtil.shadow;var warn=sharedUtil.warn;var TilingPattern=displayPatternHelper.TilingPattern;var getShadingPatternFromIR=displayPatternHelper.getShadingPatternFromIR;var WebGLUtils=displayWebGL.WebGLUtils;var hasCanvasTypedArrays=displayDOMUtils.hasCanvasTypedArrays;var MIN_FONT_SIZE=16;var MAX_FONT_SIZE=100;var MAX_GROUP_SIZE=4096;var MIN_WIDTH_FACTOR=.65;var COMPILE_TYPE3_GLYPHS=true;var MAX_SIZE_TO_COMPILE=1e3;var FULL_CHUNK_HEIGHT=16;var HasCanvasTypedArraysCached={get value(){return shadow(HasCanvasTypedArraysCached,"value",hasCanvasTypedArrays())}};var IsLittleEndianCached={get value(){return shadow(IsLittleEndianCached,"value",isLittleEndian())}};function createScratchCanvas(width,height){var canvas=document.createElement("canvas");canvas.width=width;canvas.height=height;return canvas}function addContextCurrentTransform(ctx){if(!ctx.mozCurrentTransform){ctx._originalSave=ctx.save;ctx._originalRestore=ctx.restore;ctx._originalRotate=ctx.rotate;ctx._originalScale=ctx.scale;ctx._originalTranslate=ctx.translate;ctx._originalTransform=ctx.transform;ctx._originalSetTransform=ctx.setTransform;ctx._transformMatrix=ctx._transformMatrix||[1,0,0,1,0,0];ctx._transformStack=[];Object.defineProperty(ctx,"mozCurrentTransform",{get:function getCurrentTransform(){return this._transformMatrix}});Object.defineProperty(ctx,"mozCurrentTransformInverse",{get:function getCurrentTransformInverse(){var m=this._transformMatrix;var a=m[0],b=m[1],c=m[2],d=m[3],e=m[4],f=m[5];var ad_bc=a*d-b*c;var bc_ad=b*c-a*d;return[d/ad_bc,b/bc_ad,c/bc_ad,a/ad_bc,(d*e-c*f)/bc_ad,(b*e-a*f)/ad_bc]}});ctx.save=function ctxSave(){var old=this._transformMatrix;this._transformStack.push(old);this._transformMatrix=old.slice(0,6);this._originalSave()};ctx.restore=function ctxRestore(){var prev=this._transformStack.pop();if(prev){this._transformMatrix=prev;this._originalRestore()}};ctx.translate=function ctxTranslate(x,y){var m=this._transformMatrix;m[4]=m[0]*x+m[2]*y+m[4];m[5]=m[1]*x+m[3]*y+m[5];this._originalTranslate(x,y)};ctx.scale=function ctxScale(x,y){var m=this._transformMatrix;m[0]=m[0]*x;m[1]=m[1]*x;m[2]=m[2]*y;m[3]=m[3]*y;this._originalScale(x,y)};ctx.transform=function ctxTransform(a,b,c,d,e,f){var m=this._transformMatrix;this._transformMatrix=[m[0]*a+m[2]*b,m[1]*a+m[3]*b,m[0]*c+m[2]*d,m[1]*c+m[3]*d,m[0]*e+m[2]*f+m[4],m[1]*e+m[3]*f+m[5]];ctx._originalTransform(a,b,c,d,e,f)};ctx.setTransform=function ctxSetTransform(a,b,c,d,e,f){this._transformMatrix=[a,b,c,d,e,f];ctx._originalSetTransform(a,b,c,d,e,f)};ctx.rotate=function ctxRotate(angle){var cosValue=Math.cos(angle);var sinValue=Math.sin(angle);var m=this._transformMatrix;this._transformMatrix=[m[0]*cosValue+m[2]*sinValue,m[1]*cosValue+m[3]*sinValue,m[0]*-sinValue+m[2]*cosValue,m[1]*-sinValue+m[3]*cosValue,m[4],m[5]];this._originalRotate(angle)}}}var CachedCanvases=function CachedCanvasesClosure(){function CachedCanvases(){this.cache=Object.create(null)}CachedCanvases.prototype={getCanvas:function CachedCanvases_getCanvas(id,width,height,trackTransform){var canvasEntry;if(this.cache[id]!==undefined){canvasEntry=this.cache[id];canvasEntry.canvas.width=width;canvasEntry.canvas.height=height;canvasEntry.context.setTransform(1,0,0,1,0,0)}else{var canvas=createScratchCanvas(width,height);var ctx=canvas.getContext("2d");if(trackTransform){addContextCurrentTransform(ctx)}this.cache[id]=canvasEntry={canvas:canvas,context:ctx}}return canvasEntry},clear:function(){for(var id in this.cache){var canvasEntry=this.cache[id];canvasEntry.canvas.width=0;canvasEntry.canvas.height=0;delete this.cache[id]}}};return CachedCanvases}();function compileType3Glyph(imgData){var POINT_TO_PROCESS_LIMIT=1e3;var width=imgData.width,height=imgData.height;var i,j,j0,width1=width+1;var points=new Uint8Array(width1*(height+1));var POINT_TYPES=new Uint8Array([0,2,4,0,1,0,5,4,8,10,0,8,0,2,1,0]);var lineSize=width+7&~7,data0=imgData.data;var data=new Uint8Array(lineSize*height),pos=0,ii;for(i=0,ii=data0.length;i<ii;i++){var mask=128,elem=data0[i];while(mask>0){data[pos++]=elem&mask?0:255;mask>>=1}}var count=0;pos=0;if(data[pos]!==0){points[0]=1;++count}for(j=1;j<width;j++){if(data[pos]!==data[pos+1]){points[j]=data[pos]?2:1;++count}pos++}if(data[pos]!==0){points[j]=2;++count}for(i=1;i<height;i++){pos=i*lineSize;j0=i*width1;if(data[pos-lineSize]!==data[pos]){points[j0]=data[pos]?1:8;++count}var sum=(data[pos]?4:0)+(data[pos-lineSize]?8:0);for(j=1;j<width;j++){sum=(sum>>2)+(data[pos+1]?4:0)+(data[pos-lineSize+1]?8:0);if(POINT_TYPES[sum]){points[j0+j]=POINT_TYPES[sum];++count}pos++}if(data[pos-lineSize]!==data[pos]){points[j0+j]=data[pos]?2:4;++count}if(count>POINT_TO_PROCESS_LIMIT){return null}}pos=lineSize*(height-1);j0=i*width1;if(data[pos]!==0){points[j0]=8;++count}for(j=1;j<width;j++){if(data[pos]!==data[pos+1]){points[j0+j]=data[pos]?4:8;++count}pos++}if(data[pos]!==0){points[j0+j]=4;++count}if(count>POINT_TO_PROCESS_LIMIT){return null}var steps=new Int32Array([0,width1,-1,0,-width1,0,0,0,1]);var outlines=[];for(i=0;count&&i<=height;i++){var p=i*width1;var end=p+width;while(p<end&&!points[p]){p++}if(p===end){continue}var coords=[p%width1,i];var type=points[p],p0=p,pp;do{var step=steps[type];do{p+=step}while(!points[p]);pp=points[p];if(pp!==5&&pp!==10){type=pp;points[p]=0}else{type=pp&51*type>>4;points[p]&=type>>2|type<<2}coords.push(p%width1);coords.push(p/width1|0);--count}while(p0!==p);outlines.push(coords);--i}var drawOutline=function(c){c.save();c.scale(1/width,-1/height);c.translate(0,-height);c.beginPath();for(var i=0,ii=outlines.length;i<ii;i++){var o=outlines[i];c.moveTo(o[0],o[1]);for(var j=2,jj=o.length;j<jj;j+=2){c.lineTo(o[j],o[j+1])}}c.fill();c.beginPath();c.restore()};return drawOutline}var CanvasExtraState=function CanvasExtraStateClosure(){function CanvasExtraState(old){this.alphaIsShape=false;this.fontSize=0;this.fontSizeScale=1;this.textMatrix=IDENTITY_MATRIX;this.textMatrixScale=1;this.fontMatrix=FONT_IDENTITY_MATRIX;this.leading=0;this.x=0;this.y=0;this.lineX=0;this.lineY=0;this.charSpacing=0;this.wordSpacing=0;this.textHScale=1;this.textRenderingMode=TextRenderingMode.FILL;this.textRise=0;this.fillColor="#000000";this.strokeColor="#000000";this.patternFill=false;this.fillAlpha=1;this.strokeAlpha=1;this.lineWidth=1;this.activeSMask=null;this.resumeSMaskCtx=null;this.old=old}CanvasExtraState.prototype={clone:function CanvasExtraState_clone(){return Object.create(this)},setCurrentPoint:function CanvasExtraState_setCurrentPoint(x,y){this.x=x;this.y=y}};return CanvasExtraState}();var CanvasGraphics=function CanvasGraphicsClosure(){var EXECUTION_TIME=15;var EXECUTION_STEPS=10;function CanvasGraphics(canvasCtx,commonObjs,objs,imageLayer){this.ctx=canvasCtx;this.current=new CanvasExtraState;this.stateStack=[];this.pendingClip=null;this.pendingEOFill=false;this.res=null;this.xobjs=null;this.commonObjs=commonObjs;this.objs=objs;this.imageLayer=imageLayer;this.groupStack=[];this.processingType3=null;this.baseTransform=null;this.baseTransformStack=[];this.groupLevel=0;this.smaskStack=[];this.smaskCounter=0;this.tempSMask=null;this.cachedCanvases=new CachedCanvases;if(canvasCtx){addContextCurrentTransform(canvasCtx)}this.cachedGetSinglePixelWidth=null}function putBinaryImageData(ctx,imgData){if(typeof ImageData!=="undefined"&&imgData instanceof ImageData){ctx.putImageData(imgData,0,0);return}var height=imgData.height,width=imgData.width;var partialChunkHeight=height%FULL_CHUNK_HEIGHT;var fullChunks=(height-partialChunkHeight)/FULL_CHUNK_HEIGHT;var totalChunks=partialChunkHeight===0?fullChunks:fullChunks+1;var chunkImgData=ctx.createImageData(width,FULL_CHUNK_HEIGHT);var srcPos=0,destPos;var src=imgData.data;var dest=chunkImgData.data;var i,j,thisChunkHeight,elemsInThisChunk;if(imgData.kind===ImageKind.GRAYSCALE_1BPP){var srcLength=src.byteLength;var dest32=HasCanvasTypedArraysCached.value?new Uint32Array(dest.buffer):new Uint32ArrayView(dest);var dest32DataLength=dest32.length;var fullSrcDiff=width+7>>3;var white=4294967295;var black=IsLittleEndianCached.value||!HasCanvasTypedArraysCached.value?4278190080:255;for(i=0;i<totalChunks;i++){thisChunkHeight=i<fullChunks?FULL_CHUNK_HEIGHT:partialChunkHeight;destPos=0;for(j=0;j<thisChunkHeight;j++){var srcDiff=srcLength-srcPos;var k=0;var kEnd=srcDiff>fullSrcDiff?width:srcDiff*8-7;var kEndUnrolled=kEnd&~7;var mask=0;var srcByte=0;for(;k<kEndUnrolled;k+=8){srcByte=src[srcPos++];dest32[destPos++]=srcByte&128?white:black;dest32[destPos++]=srcByte&64?white:black;dest32[destPos++]=srcByte&32?white:black;dest32[destPos++]=srcByte&16?white:black;dest32[destPos++]=srcByte&8?white:black;dest32[destPos++]=srcByte&4?white:black;dest32[destPos++]=srcByte&2?white:black;dest32[destPos++]=srcByte&1?white:black}for(;k<kEnd;k++){if(mask===0){srcByte=src[srcPos++];mask=128}dest32[destPos++]=srcByte&mask?white:black;mask>>=1}}while(destPos<dest32DataLength){dest32[destPos++]=0}ctx.putImageData(chunkImgData,0,i*FULL_CHUNK_HEIGHT)}}else if(imgData.kind===ImageKind.RGBA_32BPP){j=0;elemsInThisChunk=width*FULL_CHUNK_HEIGHT*4;for(i=0;i<fullChunks;i++){dest.set(src.subarray(srcPos,srcPos+elemsInThisChunk));srcPos+=elemsInThisChunk;ctx.putImageData(chunkImgData,0,j);j+=FULL_CHUNK_HEIGHT}if(i<totalChunks){elemsInThisChunk=width*partialChunkHeight*4;dest.set(src.subarray(srcPos,srcPos+elemsInThisChunk));ctx.putImageData(chunkImgData,0,j)}}else if(imgData.kind===ImageKind.RGB_24BPP){thisChunkHeight=FULL_CHUNK_HEIGHT;elemsInThisChunk=width*thisChunkHeight;for(i=0;i<totalChunks;i++){if(i>=fullChunks){thisChunkHeight=partialChunkHeight;elemsInThisChunk=width*thisChunkHeight}destPos=0;for(j=elemsInThisChunk;j--;){dest[destPos++]=src[srcPos++];dest[destPos++]=src[srcPos++];dest[destPos++]=src[srcPos++];dest[destPos++]=255}ctx.putImageData(chunkImgData,0,i*FULL_CHUNK_HEIGHT)}}else{error("bad image kind: "+imgData.kind)}}function putBinaryImageMask(ctx,imgData){var height=imgData.height,width=imgData.width;var partialChunkHeight=height%FULL_CHUNK_HEIGHT;var fullChunks=(height-partialChunkHeight)/FULL_CHUNK_HEIGHT;var totalChunks=partialChunkHeight===0?fullChunks:fullChunks+1;var chunkImgData=ctx.createImageData(width,FULL_CHUNK_HEIGHT);var srcPos=0;var src=imgData.data;var dest=chunkImgData.data;for(var i=0;i<totalChunks;i++){var thisChunkHeight=i<fullChunks?FULL_CHUNK_HEIGHT:partialChunkHeight;var destPos=3;for(var j=0;j<thisChunkHeight;j++){var mask=0;for(var k=0;k<width;k++){if(!mask){var elem=src[srcPos++];mask=128}dest[destPos]=elem&mask?0:255;destPos+=4;mask>>=1}}ctx.putImageData(chunkImgData,0,i*FULL_CHUNK_HEIGHT)}}function copyCtxState(sourceCtx,destCtx){var properties=["strokeStyle","fillStyle","fillRule","globalAlpha","lineWidth","lineCap","lineJoin","miterLimit","globalCompositeOperation","font"];for(var i=0,ii=properties.length;i<ii;i++){var property=properties[i];if(sourceCtx[property]!==undefined){destCtx[property]=sourceCtx[property]}}if(sourceCtx.setLineDash!==undefined){destCtx.setLineDash(sourceCtx.getLineDash());destCtx.lineDashOffset=sourceCtx.lineDashOffset}}function composeSMaskBackdrop(bytes,r0,g0,b0){var length=bytes.length;for(var i=3;i<length;i+=4){var alpha=bytes[i];if(alpha===0){bytes[i-3]=r0;bytes[i-2]=g0;bytes[i-1]=b0}else if(alpha<255){var alpha_=255-alpha;bytes[i-3]=bytes[i-3]*alpha+r0*alpha_>>8;bytes[i-2]=bytes[i-2]*alpha+g0*alpha_>>8;bytes[i-1]=bytes[i-1]*alpha+b0*alpha_>>8}}}function composeSMaskAlpha(maskData,layerData,transferMap){var length=maskData.length;var scale=1/255;for(var i=3;i<length;i+=4){var alpha=transferMap?transferMap[maskData[i]]:maskData[i];layerData[i]=layerData[i]*alpha*scale|0}}function composeSMaskLuminosity(maskData,layerData,transferMap){var length=maskData.length;for(var i=3;i<length;i+=4){var y=maskData[i-3]*77+maskData[i-2]*152+maskData[i-1]*28;layerData[i]=transferMap?layerData[i]*transferMap[y>>8]>>8:layerData[i]*y>>16}}function genericComposeSMask(maskCtx,layerCtx,width,height,subtype,backdrop,transferMap){var hasBackdrop=!!backdrop;var r0=hasBackdrop?backdrop[0]:0;var g0=hasBackdrop?backdrop[1]:0;var b0=hasBackdrop?backdrop[2]:0;var composeFn;if(subtype==="Luminosity"){composeFn=composeSMaskLuminosity}else{composeFn=composeSMaskAlpha}var PIXELS_TO_PROCESS=1048576;var chunkSize=Math.min(height,Math.ceil(PIXELS_TO_PROCESS/width));for(var row=0;row<height;row+=chunkSize){var chunkHeight=Math.min(chunkSize,height-row);var maskData=maskCtx.getImageData(0,row,width,chunkHeight);var layerData=layerCtx.getImageData(0,row,width,chunkHeight);if(hasBackdrop){composeSMaskBackdrop(maskData.data,r0,g0,b0)}composeFn(maskData.data,layerData.data,transferMap);maskCtx.putImageData(layerData,0,row)}}function composeSMask(ctx,smask,layerCtx){var mask=smask.canvas;var maskCtx=smask.context;ctx.setTransform(smask.scaleX,0,0,smask.scaleY,smask.offsetX,smask.offsetY);var backdrop=smask.backdrop||null;if(!smask.transferMap&&WebGLUtils.isEnabled){var composed=WebGLUtils.composeSMask(layerCtx.canvas,mask,{subtype:smask.subtype,backdrop:backdrop});ctx.setTransform(1,0,0,1,0,0);ctx.drawImage(composed,smask.offsetX,smask.offsetY);return}genericComposeSMask(maskCtx,layerCtx,mask.width,mask.height,smask.subtype,backdrop,smask.transferMap);ctx.drawImage(mask,0,0)}var LINE_CAP_STYLES=["butt","round","square"];var LINE_JOIN_STYLES=["miter","round","bevel"];var NORMAL_CLIP={};var EO_CLIP={};CanvasGraphics.prototype={beginDrawing:function CanvasGraphics_beginDrawing(transform,viewport,transparency){var width=this.ctx.canvas.width;var height=this.ctx.canvas.height;this.ctx.save();this.ctx.fillStyle="rgb(255, 255, 255)";this.ctx.fillRect(0,0,width,height);this.ctx.restore();if(transparency){var transparentCanvas=this.cachedCanvases.getCanvas("transparent",width,height,true);this.compositeCtx=this.ctx;this.transparentCanvas=transparentCanvas.canvas;this.ctx=transparentCanvas.context;this.ctx.save();this.ctx.transform.apply(this.ctx,this.compositeCtx.mozCurrentTransform)}this.ctx.save();if(transform){this.ctx.transform.apply(this.ctx,transform)}this.ctx.transform.apply(this.ctx,viewport.transform);this.baseTransform=this.ctx.mozCurrentTransform.slice();if(this.imageLayer){this.imageLayer.beginLayout()}},executeOperatorList:function CanvasGraphics_executeOperatorList(operatorList,executionStartIdx,continueCallback,stepper){var argsArray=operatorList.argsArray;var fnArray=operatorList.fnArray;var i=executionStartIdx||0;var argsArrayLen=argsArray.length;if(argsArrayLen===i){return i}var chunkOperations=argsArrayLen-i>EXECUTION_STEPS&&typeof continueCallback==="function";var endTime=chunkOperations?Date.now()+EXECUTION_TIME:0;var steps=0;var commonObjs=this.commonObjs;var objs=this.objs;var fnId;while(true){if(stepper!==undefined&&i===stepper.nextBreakPoint){stepper.breakIt(i,continueCallback);return i}fnId=fnArray[i];if(fnId!==OPS.dependency){this[fnId].apply(this,argsArray[i])}else{var deps=argsArray[i];for(var n=0,nn=deps.length;n<nn;n++){var depObjId=deps[n];var common=depObjId[0]==="g"&&depObjId[1]==="_";var objsPool=common?commonObjs:objs;if(!objsPool.isResolved(depObjId)){objsPool.get(depObjId,continueCallback);return i}}}i++;if(i===argsArrayLen){return i}if(chunkOperations&&++steps>EXECUTION_STEPS){if(Date.now()>endTime){continueCallback();return i}steps=0}}},endDrawing:function CanvasGraphics_endDrawing(){if(this.current.activeSMask!==null){this.endSMaskGroup()}this.ctx.restore();if(this.transparentCanvas){this.ctx=this.compositeCtx;this.ctx.save();this.ctx.setTransform(1,0,0,1,0,0);this.ctx.drawImage(this.transparentCanvas,0,0);this.ctx.restore();this.transparentCanvas=null}this.cachedCanvases.clear();WebGLUtils.clear();if(this.imageLayer){this.imageLayer.endLayout()}},setLineWidth:function CanvasGraphics_setLineWidth(width){this.current.lineWidth=width;this.ctx.lineWidth=width},setLineCap:function CanvasGraphics_setLineCap(style){this.ctx.lineCap=LINE_CAP_STYLES[style]},setLineJoin:function CanvasGraphics_setLineJoin(style){this.ctx.lineJoin=LINE_JOIN_STYLES[style]},setMiterLimit:function CanvasGraphics_setMiterLimit(limit){this.ctx.miterLimit=limit},setDash:function CanvasGraphics_setDash(dashArray,dashPhase){var ctx=this.ctx;if(ctx.setLineDash!==undefined){ctx.setLineDash(dashArray);ctx.lineDashOffset=dashPhase}},setRenderingIntent:function CanvasGraphics_setRenderingIntent(intent){},setFlatness:function CanvasGraphics_setFlatness(flatness){},setGState:function CanvasGraphics_setGState(states){for(var i=0,ii=states.length;i<ii;i++){var state=states[i];var key=state[0];var value=state[1];switch(key){case"LW":this.setLineWidth(value);break;case"LC":this.setLineCap(value);break;case"LJ":this.setLineJoin(value);break;case"ML":this.setMiterLimit(value);break;case"D":this.setDash(value[0],value[1]);break;case"RI":this.setRenderingIntent(value);break;case"FL":this.setFlatness(value);break;case"Font":this.setFont(value[0],value[1]);break;case"CA":this.current.strokeAlpha=state[1];break;case"ca":this.current.fillAlpha=state[1];this.ctx.globalAlpha=state[1];break;case"BM":if(value&&value.name&&value.name!=="Normal"){var mode=value.name.replace(/([A-Z])/g,function(c){return"-"+c.toLowerCase()}).substring(1);this.ctx.globalCompositeOperation=mode;if(this.ctx.globalCompositeOperation!==mode){warn('globalCompositeOperation "'+mode+'" is not supported')}}else{this.ctx.globalCompositeOperation="source-over"}break;case"SMask":if(this.current.activeSMask){if(this.stateStack.length>0&&this.stateStack[this.stateStack.length-1].activeSMask===this.current.activeSMask){this.suspendSMaskGroup()}else{this.endSMaskGroup()}}this.current.activeSMask=value?this.tempSMask:null;if(this.current.activeSMask){this.beginSMaskGroup()}this.tempSMask=null;break}}},beginSMaskGroup:function CanvasGraphics_beginSMaskGroup(){var activeSMask=this.current.activeSMask;var drawnWidth=activeSMask.canvas.width;var drawnHeight=activeSMask.canvas.height;var cacheId="smaskGroupAt"+this.groupLevel;var scratchCanvas=this.cachedCanvases.getCanvas(cacheId,drawnWidth,drawnHeight,true);var currentCtx=this.ctx;var currentTransform=currentCtx.mozCurrentTransform;this.ctx.save();var groupCtx=scratchCanvas.context;groupCtx.scale(1/activeSMask.scaleX,1/activeSMask.scaleY);groupCtx.translate(-activeSMask.offsetX,-activeSMask.offsetY);groupCtx.transform.apply(groupCtx,currentTransform);activeSMask.startTransformInverse=groupCtx.mozCurrentTransformInverse;copyCtxState(currentCtx,groupCtx);this.ctx=groupCtx;this.setGState([["BM","Normal"],["ca",1],["CA",1]]);this.groupStack.push(currentCtx);this.groupLevel++},suspendSMaskGroup:function CanvasGraphics_endSMaskGroup(){var groupCtx=this.ctx;this.groupLevel--;this.ctx=this.groupStack.pop();composeSMask(this.ctx,this.current.activeSMask,groupCtx);this.ctx.restore();this.ctx.save();copyCtxState(groupCtx,this.ctx);this.current.resumeSMaskCtx=groupCtx;var deltaTransform=Util.transform(this.current.activeSMask.startTransformInverse,groupCtx.mozCurrentTransform);this.ctx.transform.apply(this.ctx,deltaTransform);groupCtx.save();groupCtx.setTransform(1,0,0,1,0,0);groupCtx.clearRect(0,0,groupCtx.canvas.width,groupCtx.canvas.height);groupCtx.restore()},resumeSMaskGroup:function CanvasGraphics_endSMaskGroup(){var groupCtx=this.current.resumeSMaskCtx;var currentCtx=this.ctx;this.ctx=groupCtx;this.groupStack.push(currentCtx);this.groupLevel++},endSMaskGroup:function CanvasGraphics_endSMaskGroup(){var groupCtx=this.ctx;this.groupLevel--;this.ctx=this.groupStack.pop();composeSMask(this.ctx,this.current.activeSMask,groupCtx);this.ctx.restore();copyCtxState(groupCtx,this.ctx);var deltaTransform=Util.transform(this.current.activeSMask.startTransformInverse,groupCtx.mozCurrentTransform);this.ctx.transform.apply(this.ctx,deltaTransform)},save:function CanvasGraphics_save(){this.ctx.save();var old=this.current;this.stateStack.push(old);this.current=old.clone();this.current.resumeSMaskCtx=null},restore:function CanvasGraphics_restore(){if(this.current.resumeSMaskCtx){this.resumeSMaskGroup()}if(this.current.activeSMask!==null&&(this.stateStack.length===0||this.stateStack[this.stateStack.length-1].activeSMask!==this.current.activeSMask)){this.endSMaskGroup()}if(this.stateStack.length!==0){this.current=this.stateStack.pop();this.ctx.restore();this.pendingClip=null;this.cachedGetSinglePixelWidth=null}},transform:function CanvasGraphics_transform(a,b,c,d,e,f){this.ctx.transform(a,b,c,d,e,f);this.cachedGetSinglePixelWidth=null},constructPath:function CanvasGraphics_constructPath(ops,args){var ctx=this.ctx;var current=this.current;var x=current.x,y=current.y;for(var i=0,j=0,ii=ops.length;i<ii;i++){switch(ops[i]|0){case OPS.rectangle:x=args[j++];y=args[j++];var width=args[j++];var height=args[j++];if(width===0){width=this.getSinglePixelWidth()}if(height===0){height=this.getSinglePixelWidth()}var xw=x+width;var yh=y+height;this.ctx.moveTo(x,y);this.ctx.lineTo(xw,y);this.ctx.lineTo(xw,yh);this.ctx.lineTo(x,yh);this.ctx.lineTo(x,y);this.ctx.closePath();break;case OPS.moveTo:x=args[j++];y=args[j++];ctx.moveTo(x,y);break;case OPS.lineTo:x=args[j++];y=args[j++];ctx.lineTo(x,y);break;case OPS.curveTo:x=args[j+4];y=args[j+5];ctx.bezierCurveTo(args[j],args[j+1],args[j+2],args[j+3],x,y);j+=6;break;case OPS.curveTo2:ctx.bezierCurveTo(x,y,args[j],args[j+1],args[j+2],args[j+3]);x=args[j+2];y=args[j+3];j+=4;break;case OPS.curveTo3:x=args[j+2];y=args[j+3];ctx.bezierCurveTo(args[j],args[j+1],x,y,x,y);j+=4;break;case OPS.closePath:ctx.closePath();break}}current.setCurrentPoint(x,y)},closePath:function CanvasGraphics_closePath(){this.ctx.closePath()},stroke:function CanvasGraphics_stroke(consumePath){consumePath=typeof consumePath!=="undefined"?consumePath:true;var ctx=this.ctx;var strokeColor=this.current.strokeColor;ctx.lineWidth=Math.max(this.getSinglePixelWidth()*MIN_WIDTH_FACTOR,this.current.lineWidth);ctx.globalAlpha=this.current.strokeAlpha;if(strokeColor&&strokeColor.hasOwnProperty("type")&&strokeColor.type==="Pattern"){ctx.save();ctx.strokeStyle=strokeColor.getPattern(ctx,this);ctx.stroke();ctx.restore()}else{ctx.stroke()}if(consumePath){this.consumePath()}ctx.globalAlpha=this.current.fillAlpha},closeStroke:function CanvasGraphics_closeStroke(){this.closePath();this.stroke()},fill:function CanvasGraphics_fill(consumePath){consumePath=typeof consumePath!=="undefined"?consumePath:true;var ctx=this.ctx;var fillColor=this.current.fillColor;var isPatternFill=this.current.patternFill;var needRestore=false;if(isPatternFill){ctx.save();if(this.baseTransform){ctx.setTransform.apply(ctx,this.baseTransform)}ctx.fillStyle=fillColor.getPattern(ctx,this);needRestore=true}if(this.pendingEOFill){if(ctx.mozFillRule!==undefined){ctx.mozFillRule="evenodd";ctx.fill();ctx.mozFillRule="nonzero"}else{ctx.fill("evenodd")}this.pendingEOFill=false}else{ctx.fill()}if(needRestore){ctx.restore()}if(consumePath){this.consumePath()}},eoFill:function CanvasGraphics_eoFill(){this.pendingEOFill=true;this.fill()},fillStroke:function CanvasGraphics_fillStroke(){this.fill(false);this.stroke(false);this.consumePath()},eoFillStroke:function CanvasGraphics_eoFillStroke(){this.pendingEOFill=true;this.fillStroke()},closeFillStroke:function CanvasGraphics_closeFillStroke(){this.closePath();this.fillStroke()},closeEOFillStroke:function CanvasGraphics_closeEOFillStroke(){this.pendingEOFill=true;this.closePath();this.fillStroke()},endPath:function CanvasGraphics_endPath(){this.consumePath()},clip:function CanvasGraphics_clip(){this.pendingClip=NORMAL_CLIP},eoClip:function CanvasGraphics_eoClip(){this.pendingClip=EO_CLIP},beginText:function CanvasGraphics_beginText(){this.current.textMatrix=IDENTITY_MATRIX;this.current.textMatrixScale=1;this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0},endText:function CanvasGraphics_endText(){var paths=this.pendingTextPaths;var ctx=this.ctx;if(paths===undefined){ctx.beginPath();return}ctx.save();ctx.beginPath();for(var i=0;i<paths.length;i++){var path=paths[i];ctx.setTransform.apply(ctx,path.transform);ctx.translate(path.x,path.y);path.addToPath(ctx,path.fontSize)}ctx.restore();ctx.clip();ctx.beginPath();delete this.pendingTextPaths},setCharSpacing:function CanvasGraphics_setCharSpacing(spacing){this.current.charSpacing=spacing},setWordSpacing:function CanvasGraphics_setWordSpacing(spacing){this.current.wordSpacing=spacing},setHScale:function CanvasGraphics_setHScale(scale){this.current.textHScale=scale/100},setLeading:function CanvasGraphics_setLeading(leading){this.current.leading=-leading},setFont:function CanvasGraphics_setFont(fontRefName,size){var fontObj=this.commonObjs.get(fontRefName);var current=this.current;if(!fontObj){error("Can't find font for "+fontRefName)}current.fontMatrix=fontObj.fontMatrix?fontObj.fontMatrix:FONT_IDENTITY_MATRIX;if(current.fontMatrix[0]===0||current.fontMatrix[3]===0){warn("Invalid font matrix for font "+fontRefName)}if(size<0){size=-size;current.fontDirection=-1}else{current.fontDirection=1}this.current.font=fontObj;this.current.fontSize=size;if(fontObj.isType3Font){return}var name=fontObj.loadedName||"sans-serif";
+var bold=fontObj.black?fontObj.bold?"900":"bold":fontObj.bold?"bold":"normal";var italic=fontObj.italic?"italic":"normal";var typeface='"'+name+'", '+fontObj.fallbackName;var browserFontSize=size<MIN_FONT_SIZE?MIN_FONT_SIZE:size>MAX_FONT_SIZE?MAX_FONT_SIZE:size;this.current.fontSizeScale=size/browserFontSize;var rule=italic+" "+bold+" "+browserFontSize+"px "+typeface;this.ctx.font=rule},setTextRenderingMode:function CanvasGraphics_setTextRenderingMode(mode){this.current.textRenderingMode=mode},setTextRise:function CanvasGraphics_setTextRise(rise){this.current.textRise=rise},moveText:function CanvasGraphics_moveText(x,y){this.current.x=this.current.lineX+=x;this.current.y=this.current.lineY+=y},setLeadingMoveText:function CanvasGraphics_setLeadingMoveText(x,y){this.setLeading(-y);this.moveText(x,y)},setTextMatrix:function CanvasGraphics_setTextMatrix(a,b,c,d,e,f){this.current.textMatrix=[a,b,c,d,e,f];this.current.textMatrixScale=Math.sqrt(a*a+b*b);this.current.x=this.current.lineX=0;this.current.y=this.current.lineY=0},nextLine:function CanvasGraphics_nextLine(){this.moveText(0,this.current.leading)},paintChar:function CanvasGraphics_paintChar(character,x,y){var ctx=this.ctx;var current=this.current;var font=current.font;var textRenderingMode=current.textRenderingMode;var fontSize=current.fontSize/current.fontSizeScale;var fillStrokeMode=textRenderingMode&TextRenderingMode.FILL_STROKE_MASK;var isAddToPathSet=!!(textRenderingMode&TextRenderingMode.ADD_TO_PATH_FLAG);var addToPath;if(font.disableFontFace||isAddToPathSet){addToPath=font.getPathGenerator(this.commonObjs,character)}if(font.disableFontFace){ctx.save();ctx.translate(x,y);ctx.beginPath();addToPath(ctx,fontSize);if(fillStrokeMode===TextRenderingMode.FILL||fillStrokeMode===TextRenderingMode.FILL_STROKE){ctx.fill()}if(fillStrokeMode===TextRenderingMode.STROKE||fillStrokeMode===TextRenderingMode.FILL_STROKE){ctx.stroke()}ctx.restore()}else{if(fillStrokeMode===TextRenderingMode.FILL||fillStrokeMode===TextRenderingMode.FILL_STROKE){ctx.fillText(character,x,y)}if(fillStrokeMode===TextRenderingMode.STROKE||fillStrokeMode===TextRenderingMode.FILL_STROKE){ctx.strokeText(character,x,y)}}if(isAddToPathSet){var paths=this.pendingTextPaths||(this.pendingTextPaths=[]);paths.push({transform:ctx.mozCurrentTransform,x:x,y:y,fontSize:fontSize,addToPath:addToPath})}},get isFontSubpixelAAEnabled(){var ctx=document.createElement("canvas").getContext("2d");ctx.scale(1.5,1);ctx.fillText("I",0,10);var data=ctx.getImageData(0,0,10,10).data;var enabled=false;for(var i=3;i<data.length;i+=4){if(data[i]>0&&data[i]<255){enabled=true;break}}return shadow(this,"isFontSubpixelAAEnabled",enabled)},showText:function CanvasGraphics_showText(glyphs){var current=this.current;var font=current.font;if(font.isType3Font){return this.showType3Text(glyphs)}var fontSize=current.fontSize;if(fontSize===0){return}var ctx=this.ctx;var fontSizeScale=current.fontSizeScale;var charSpacing=current.charSpacing;var wordSpacing=current.wordSpacing;var fontDirection=current.fontDirection;var textHScale=current.textHScale*fontDirection;var glyphsLength=glyphs.length;var vertical=font.vertical;var spacingDir=vertical?1:-1;var defaultVMetrics=font.defaultVMetrics;var widthAdvanceScale=fontSize*current.fontMatrix[0];var simpleFillText=current.textRenderingMode===TextRenderingMode.FILL&&!font.disableFontFace;ctx.save();ctx.transform.apply(ctx,current.textMatrix);ctx.translate(current.x,current.y+current.textRise);if(current.patternFill){ctx.fillStyle=current.fillColor.getPattern(ctx,this)}if(fontDirection>0){ctx.scale(textHScale,-1)}else{ctx.scale(textHScale,1)}var lineWidth=current.lineWidth;var scale=current.textMatrixScale;if(scale===0||lineWidth===0){var fillStrokeMode=current.textRenderingMode&TextRenderingMode.FILL_STROKE_MASK;if(fillStrokeMode===TextRenderingMode.STROKE||fillStrokeMode===TextRenderingMode.FILL_STROKE){this.cachedGetSinglePixelWidth=null;lineWidth=this.getSinglePixelWidth()*MIN_WIDTH_FACTOR}}else{lineWidth/=scale}if(fontSizeScale!==1){ctx.scale(fontSizeScale,fontSizeScale);lineWidth/=fontSizeScale}ctx.lineWidth=lineWidth;var x=0,i;for(i=0;i<glyphsLength;++i){var glyph=glyphs[i];if(isNum(glyph)){x+=spacingDir*glyph*fontSize/1e3;continue}var restoreNeeded=false;var spacing=(glyph.isSpace?wordSpacing:0)+charSpacing;var character=glyph.fontChar;var accent=glyph.accent;var scaledX,scaledY,scaledAccentX,scaledAccentY;var width=glyph.width;if(vertical){var vmetric,vx,vy;vmetric=glyph.vmetric||defaultVMetrics;vx=glyph.vmetric?vmetric[1]:width*.5;vx=-vx*widthAdvanceScale;vy=vmetric[2]*widthAdvanceScale;width=vmetric?-vmetric[0]:width;scaledX=vx/fontSizeScale;scaledY=(x+vy)/fontSizeScale}else{scaledX=x/fontSizeScale;scaledY=0}if(font.remeasure&&width>0){var measuredWidth=ctx.measureText(character).width*1e3/fontSize*fontSizeScale;if(width<measuredWidth&&this.isFontSubpixelAAEnabled){var characterScaleX=width/measuredWidth;restoreNeeded=true;ctx.save();ctx.scale(characterScaleX,1);scaledX/=characterScaleX}else if(width!==measuredWidth){scaledX+=(width-measuredWidth)/2e3*fontSize/fontSizeScale}}if(glyph.isInFont||font.missingFile){if(simpleFillText&&!accent){ctx.fillText(character,scaledX,scaledY)}else{this.paintChar(character,scaledX,scaledY);if(accent){scaledAccentX=scaledX+accent.offset.x/fontSizeScale;scaledAccentY=scaledY-accent.offset.y/fontSizeScale;this.paintChar(accent.fontChar,scaledAccentX,scaledAccentY)}}}var charWidth=width*widthAdvanceScale+spacing*fontDirection;x+=charWidth;if(restoreNeeded){ctx.restore()}}if(vertical){current.y-=x*textHScale}else{current.x+=x*textHScale}ctx.restore()},showType3Text:function CanvasGraphics_showType3Text(glyphs){var ctx=this.ctx;var current=this.current;var font=current.font;var fontSize=current.fontSize;var fontDirection=current.fontDirection;var spacingDir=font.vertical?1:-1;var charSpacing=current.charSpacing;var wordSpacing=current.wordSpacing;var textHScale=current.textHScale*fontDirection;var fontMatrix=current.fontMatrix||FONT_IDENTITY_MATRIX;var glyphsLength=glyphs.length;var isTextInvisible=current.textRenderingMode===TextRenderingMode.INVISIBLE;var i,glyph,width,spacingLength;if(isTextInvisible||fontSize===0){return}this.cachedGetSinglePixelWidth=null;ctx.save();ctx.transform.apply(ctx,current.textMatrix);ctx.translate(current.x,current.y);ctx.scale(textHScale,fontDirection);for(i=0;i<glyphsLength;++i){glyph=glyphs[i];if(isNum(glyph)){spacingLength=spacingDir*glyph*fontSize/1e3;this.ctx.translate(spacingLength,0);current.x+=spacingLength*textHScale;continue}var spacing=(glyph.isSpace?wordSpacing:0)+charSpacing;var operatorList=font.charProcOperatorList[glyph.operatorListId];if(!operatorList){warn('Type3 character "'+glyph.operatorListId+'" is not available');continue}this.processingType3=glyph;this.save();ctx.scale(fontSize,fontSize);ctx.transform.apply(ctx,fontMatrix);this.executeOperatorList(operatorList);this.restore();var transformed=Util.applyTransform([glyph.width,0],fontMatrix);width=transformed[0]*fontSize+spacing;ctx.translate(width,0);current.x+=width*textHScale}ctx.restore();this.processingType3=null},setCharWidth:function CanvasGraphics_setCharWidth(xWidth,yWidth){},setCharWidthAndBounds:function CanvasGraphics_setCharWidthAndBounds(xWidth,yWidth,llx,lly,urx,ury){this.ctx.rect(llx,lly,urx-llx,ury-lly);this.clip();this.endPath()},getColorN_Pattern:function CanvasGraphics_getColorN_Pattern(IR){var pattern;if(IR[0]==="TilingPattern"){var color=IR[1];var baseTransform=this.baseTransform||this.ctx.mozCurrentTransform.slice();var self=this;var canvasGraphicsFactory={createCanvasGraphics:function(ctx){return new CanvasGraphics(ctx,self.commonObjs,self.objs)}};pattern=new TilingPattern(IR,color,this.ctx,canvasGraphicsFactory,baseTransform)}else{pattern=getShadingPatternFromIR(IR)}return pattern},setStrokeColorN:function CanvasGraphics_setStrokeColorN(){this.current.strokeColor=this.getColorN_Pattern(arguments)},setFillColorN:function CanvasGraphics_setFillColorN(){this.current.fillColor=this.getColorN_Pattern(arguments);this.current.patternFill=true},setStrokeRGBColor:function CanvasGraphics_setStrokeRGBColor(r,g,b){var color=Util.makeCssRgb(r,g,b);this.ctx.strokeStyle=color;this.current.strokeColor=color},setFillRGBColor:function CanvasGraphics_setFillRGBColor(r,g,b){var color=Util.makeCssRgb(r,g,b);this.ctx.fillStyle=color;this.current.fillColor=color;this.current.patternFill=false},shadingFill:function CanvasGraphics_shadingFill(patternIR){var ctx=this.ctx;this.save();var pattern=getShadingPatternFromIR(patternIR);ctx.fillStyle=pattern.getPattern(ctx,this,true);var inv=ctx.mozCurrentTransformInverse;if(inv){var canvas=ctx.canvas;var width=canvas.width;var height=canvas.height;var bl=Util.applyTransform([0,0],inv);var br=Util.applyTransform([0,height],inv);var ul=Util.applyTransform([width,0],inv);var ur=Util.applyTransform([width,height],inv);var x0=Math.min(bl[0],br[0],ul[0],ur[0]);var y0=Math.min(bl[1],br[1],ul[1],ur[1]);var x1=Math.max(bl[0],br[0],ul[0],ur[0]);var y1=Math.max(bl[1],br[1],ul[1],ur[1]);this.ctx.fillRect(x0,y0,x1-x0,y1-y0)}else{this.ctx.fillRect(-1e10,-1e10,2e10,2e10)}this.restore()},beginInlineImage:function CanvasGraphics_beginInlineImage(){error("Should not call beginInlineImage")},beginImageData:function CanvasGraphics_beginImageData(){error("Should not call beginImageData")},paintFormXObjectBegin:function CanvasGraphics_paintFormXObjectBegin(matrix,bbox){this.save();this.baseTransformStack.push(this.baseTransform);if(isArray(matrix)&&6===matrix.length){this.transform.apply(this,matrix)}this.baseTransform=this.ctx.mozCurrentTransform;if(isArray(bbox)&&4===bbox.length){var width=bbox[2]-bbox[0];var height=bbox[3]-bbox[1];this.ctx.rect(bbox[0],bbox[1],width,height);this.clip();this.endPath()}},paintFormXObjectEnd:function CanvasGraphics_paintFormXObjectEnd(){this.restore();this.baseTransform=this.baseTransformStack.pop()},beginGroup:function CanvasGraphics_beginGroup(group){this.save();var currentCtx=this.ctx;if(!group.isolated){info("TODO: Support non-isolated groups.")}if(group.knockout){warn("Knockout groups not supported.")}var currentTransform=currentCtx.mozCurrentTransform;if(group.matrix){currentCtx.transform.apply(currentCtx,group.matrix)}assert(group.bbox,"Bounding box is required.");var bounds=Util.getAxialAlignedBoundingBox(group.bbox,currentCtx.mozCurrentTransform);var canvasBounds=[0,0,currentCtx.canvas.width,currentCtx.canvas.height];bounds=Util.intersect(bounds,canvasBounds)||[0,0,0,0];var offsetX=Math.floor(bounds[0]);var offsetY=Math.floor(bounds[1]);var drawnWidth=Math.max(Math.ceil(bounds[2])-offsetX,1);var drawnHeight=Math.max(Math.ceil(bounds[3])-offsetY,1);var scaleX=1,scaleY=1;if(drawnWidth>MAX_GROUP_SIZE){scaleX=drawnWidth/MAX_GROUP_SIZE;drawnWidth=MAX_GROUP_SIZE}if(drawnHeight>MAX_GROUP_SIZE){scaleY=drawnHeight/MAX_GROUP_SIZE;drawnHeight=MAX_GROUP_SIZE}var cacheId="groupAt"+this.groupLevel;if(group.smask){cacheId+="_smask_"+this.smaskCounter++%2}var scratchCanvas=this.cachedCanvases.getCanvas(cacheId,drawnWidth,drawnHeight,true);var groupCtx=scratchCanvas.context;groupCtx.scale(1/scaleX,1/scaleY);groupCtx.translate(-offsetX,-offsetY);groupCtx.transform.apply(groupCtx,currentTransform);if(group.smask){this.smaskStack.push({canvas:scratchCanvas.canvas,context:groupCtx,offsetX:offsetX,offsetY:offsetY,scaleX:scaleX,scaleY:scaleY,subtype:group.smask.subtype,backdrop:group.smask.backdrop,transferMap:group.smask.transferMap||null,startTransformInverse:null})}else{currentCtx.setTransform(1,0,0,1,0,0);currentCtx.translate(offsetX,offsetY);currentCtx.scale(scaleX,scaleY)}copyCtxState(currentCtx,groupCtx);this.ctx=groupCtx;this.setGState([["BM","Normal"],["ca",1],["CA",1]]);this.groupStack.push(currentCtx);this.groupLevel++;this.current.activeSMask=null},endGroup:function CanvasGraphics_endGroup(group){this.groupLevel--;var groupCtx=this.ctx;this.ctx=this.groupStack.pop();if(this.ctx.imageSmoothingEnabled!==undefined){this.ctx.imageSmoothingEnabled=false}else{this.ctx.mozImageSmoothingEnabled=false}if(group.smask){this.tempSMask=this.smaskStack.pop()}else{this.ctx.drawImage(groupCtx.canvas,0,0)}this.restore()},beginAnnotations:function CanvasGraphics_beginAnnotations(){this.save();this.current=new CanvasExtraState;if(this.baseTransform){this.ctx.setTransform.apply(this.ctx,this.baseTransform)}},endAnnotations:function CanvasGraphics_endAnnotations(){this.restore()},beginAnnotation:function CanvasGraphics_beginAnnotation(rect,transform,matrix){this.save();if(isArray(rect)&&4===rect.length){var width=rect[2]-rect[0];var height=rect[3]-rect[1];this.ctx.rect(rect[0],rect[1],width,height);this.clip();this.endPath()}this.transform.apply(this,transform);this.transform.apply(this,matrix)},endAnnotation:function CanvasGraphics_endAnnotation(){this.restore()},paintJpegXObject:function CanvasGraphics_paintJpegXObject(objId,w,h){var domImage=this.objs.get(objId);if(!domImage){warn("Dependent image isn't ready yet");return}this.save();var ctx=this.ctx;ctx.scale(1/w,-1/h);ctx.drawImage(domImage,0,0,domImage.width,domImage.height,0,-h,w,h);if(this.imageLayer){var currentTransform=ctx.mozCurrentTransformInverse;var position=this.getCanvasPosition(0,0);this.imageLayer.appendImage({objId:objId,left:position[0],top:position[1],width:w/currentTransform[0],height:h/currentTransform[3]})}this.restore()},paintImageMaskXObject:function CanvasGraphics_paintImageMaskXObject(img){var ctx=this.ctx;var width=img.width,height=img.height;var fillColor=this.current.fillColor;var isPatternFill=this.current.patternFill;var glyph=this.processingType3;if(COMPILE_TYPE3_GLYPHS&&glyph&&glyph.compiled===undefined){if(width<=MAX_SIZE_TO_COMPILE&&height<=MAX_SIZE_TO_COMPILE){glyph.compiled=compileType3Glyph({data:img.data,width:width,height:height})}else{glyph.compiled=null}}if(glyph&&glyph.compiled){glyph.compiled(ctx);return}var maskCanvas=this.cachedCanvases.getCanvas("maskCanvas",width,height);var maskCtx=maskCanvas.context;maskCtx.save();putBinaryImageMask(maskCtx,img);maskCtx.globalCompositeOperation="source-in";maskCtx.fillStyle=isPatternFill?fillColor.getPattern(maskCtx,this):fillColor;maskCtx.fillRect(0,0,width,height);maskCtx.restore();this.paintInlineImageXObject(maskCanvas.canvas)},paintImageMaskXObjectRepeat:function CanvasGraphics_paintImageMaskXObjectRepeat(imgData,scaleX,scaleY,positions){var width=imgData.width;var height=imgData.height;var fillColor=this.current.fillColor;var isPatternFill=this.current.patternFill;var maskCanvas=this.cachedCanvases.getCanvas("maskCanvas",width,height);var maskCtx=maskCanvas.context;maskCtx.save();putBinaryImageMask(maskCtx,imgData);maskCtx.globalCompositeOperation="source-in";maskCtx.fillStyle=isPatternFill?fillColor.getPattern(maskCtx,this):fillColor;maskCtx.fillRect(0,0,width,height);maskCtx.restore();var ctx=this.ctx;for(var i=0,ii=positions.length;i<ii;i+=2){ctx.save();ctx.transform(scaleX,0,0,scaleY,positions[i],positions[i+1]);ctx.scale(1,-1);ctx.drawImage(maskCanvas.canvas,0,0,width,height,0,-1,1,1);ctx.restore()}},paintImageMaskXObjectGroup:function CanvasGraphics_paintImageMaskXObjectGroup(images){var ctx=this.ctx;var fillColor=this.current.fillColor;var isPatternFill=this.current.patternFill;for(var i=0,ii=images.length;i<ii;i++){var image=images[i];var width=image.width,height=image.height;var maskCanvas=this.cachedCanvases.getCanvas("maskCanvas",width,height);var maskCtx=maskCanvas.context;maskCtx.save();putBinaryImageMask(maskCtx,image);maskCtx.globalCompositeOperation="source-in";maskCtx.fillStyle=isPatternFill?fillColor.getPattern(maskCtx,this):fillColor;maskCtx.fillRect(0,0,width,height);maskCtx.restore();ctx.save();ctx.transform.apply(ctx,image.transform);ctx.scale(1,-1);ctx.drawImage(maskCanvas.canvas,0,0,width,height,0,-1,1,1);ctx.restore()}},paintImageXObject:function CanvasGraphics_paintImageXObject(objId){var imgData=this.objs.get(objId);if(!imgData){warn("Dependent image isn't ready yet");return}this.paintInlineImageXObject(imgData)},paintImageXObjectRepeat:function CanvasGraphics_paintImageXObjectRepeat(objId,scaleX,scaleY,positions){var imgData=this.objs.get(objId);if(!imgData){warn("Dependent image isn't ready yet");return}var width=imgData.width;var height=imgData.height;var map=[];for(var i=0,ii=positions.length;i<ii;i+=2){map.push({transform:[scaleX,0,0,scaleY,positions[i],positions[i+1]],x:0,y:0,w:width,h:height})}this.paintInlineImageXObjectGroup(imgData,map)},paintInlineImageXObject:function CanvasGraphics_paintInlineImageXObject(imgData){var width=imgData.width;var height=imgData.height;var ctx=this.ctx;this.save();ctx.scale(1/width,-1/height);var currentTransform=ctx.mozCurrentTransformInverse;var a=currentTransform[0],b=currentTransform[1];var widthScale=Math.max(Math.sqrt(a*a+b*b),1);var c=currentTransform[2],d=currentTransform[3];var heightScale=Math.max(Math.sqrt(c*c+d*d),1);var imgToPaint,tmpCanvas;if(imgData instanceof HTMLElement||!imgData.data){imgToPaint=imgData}else{tmpCanvas=this.cachedCanvases.getCanvas("inlineImage",width,height);var tmpCtx=tmpCanvas.context;putBinaryImageData(tmpCtx,imgData);imgToPaint=tmpCanvas.canvas}var paintWidth=width,paintHeight=height;var tmpCanvasId="prescale1";while(widthScale>2&&paintWidth>1||heightScale>2&&paintHeight>1){var newWidth=paintWidth,newHeight=paintHeight;if(widthScale>2&&paintWidth>1){newWidth=Math.ceil(paintWidth/2);widthScale/=paintWidth/newWidth}if(heightScale>2&&paintHeight>1){newHeight=Math.ceil(paintHeight/2);heightScale/=paintHeight/newHeight}tmpCanvas=this.cachedCanvases.getCanvas(tmpCanvasId,newWidth,newHeight);tmpCtx=tmpCanvas.context;tmpCtx.clearRect(0,0,newWidth,newHeight);tmpCtx.drawImage(imgToPaint,0,0,paintWidth,paintHeight,0,0,newWidth,newHeight);imgToPaint=tmpCanvas.canvas;paintWidth=newWidth;paintHeight=newHeight;tmpCanvasId=tmpCanvasId==="prescale1"?"prescale2":"prescale1"}ctx.drawImage(imgToPaint,0,0,paintWidth,paintHeight,0,-height,width,height);if(this.imageLayer){var position=this.getCanvasPosition(0,-height);this.imageLayer.appendImage({imgData:imgData,left:position[0],top:position[1],width:width/currentTransform[0],height:height/currentTransform[3]})}this.restore()},paintInlineImageXObjectGroup:function CanvasGraphics_paintInlineImageXObjectGroup(imgData,map){var ctx=this.ctx;var w=imgData.width;var h=imgData.height;var tmpCanvas=this.cachedCanvases.getCanvas("inlineImage",w,h);var tmpCtx=tmpCanvas.context;putBinaryImageData(tmpCtx,imgData);for(var i=0,ii=map.length;i<ii;i++){var entry=map[i];ctx.save();ctx.transform.apply(ctx,entry.transform);ctx.scale(1,-1);ctx.drawImage(tmpCanvas.canvas,entry.x,entry.y,entry.w,entry.h,0,-1,1,1);if(this.imageLayer){var position=this.getCanvasPosition(entry.x,entry.y);this.imageLayer.appendImage({imgData:imgData,left:position[0],top:position[1],width:w,height:h})}ctx.restore()}},paintSolidColorImageMask:function CanvasGraphics_paintSolidColorImageMask(){this.ctx.fillRect(0,0,1,1)},paintXObject:function CanvasGraphics_paintXObject(){warn("Unsupported 'paintXObject' command.")},markPoint:function CanvasGraphics_markPoint(tag){},markPointProps:function CanvasGraphics_markPointProps(tag,properties){},beginMarkedContent:function CanvasGraphics_beginMarkedContent(tag){},beginMarkedContentProps:function CanvasGraphics_beginMarkedContentProps(tag,properties){},endMarkedContent:function CanvasGraphics_endMarkedContent(){},beginCompat:function CanvasGraphics_beginCompat(){},endCompat:function CanvasGraphics_endCompat(){},consumePath:function CanvasGraphics_consumePath(){var ctx=this.ctx;if(this.pendingClip){if(this.pendingClip===EO_CLIP){if(ctx.mozFillRule!==undefined){ctx.mozFillRule="evenodd";ctx.clip();ctx.mozFillRule="nonzero"}else{ctx.clip("evenodd")}}else{ctx.clip()}this.pendingClip=null}ctx.beginPath()},getSinglePixelWidth:function CanvasGraphics_getSinglePixelWidth(scale){if(this.cachedGetSinglePixelWidth===null){this.ctx.save();var inverse=this.ctx.mozCurrentTransformInverse;this.ctx.restore();this.cachedGetSinglePixelWidth=Math.sqrt(Math.max(inverse[0]*inverse[0]+inverse[1]*inverse[1],inverse[2]*inverse[2]+inverse[3]*inverse[3]))}return this.cachedGetSinglePixelWidth},getCanvasPosition:function CanvasGraphics_getCanvasPosition(x,y){var transform=this.ctx.mozCurrentTransform;return[transform[0]*x+transform[2]*y+transform[4],transform[1]*x+transform[3]*y+transform[5]]}};for(var op in OPS){CanvasGraphics.prototype[OPS[op]]=CanvasGraphics.prototype[op]}return CanvasGraphics}();exports.CanvasGraphics=CanvasGraphics;exports.createScratchCanvas=createScratchCanvas});(function(root,factory){{factory(root.pdfjsDisplayAPI={},root.pdfjsSharedUtil,root.pdfjsDisplayFontLoader,root.pdfjsDisplayCanvas,root.pdfjsDisplayMetadata,root.pdfjsDisplayDOMUtils)}})(this,function(exports,sharedUtil,displayFontLoader,displayCanvas,displayMetadata,displayDOMUtils,amdRequire){var InvalidPDFException=sharedUtil.InvalidPDFException;var MessageHandler=sharedUtil.MessageHandler;var MissingPDFException=sharedUtil.MissingPDFException;var PageViewport=sharedUtil.PageViewport;var PasswordResponses=sharedUtil.PasswordResponses;var PasswordException=sharedUtil.PasswordException;var StatTimer=sharedUtil.StatTimer;var UnexpectedResponseException=sharedUtil.UnexpectedResponseException;var UnknownErrorException=sharedUtil.UnknownErrorException;var Util=sharedUtil.Util;var createPromiseCapability=sharedUtil.createPromiseCapability;var error=sharedUtil.error;var deprecated=sharedUtil.deprecated;var getVerbosityLevel=sharedUtil.getVerbosityLevel;var info=sharedUtil.info;var isInt=sharedUtil.isInt;var isArray=sharedUtil.isArray;var isArrayBuffer=sharedUtil.isArrayBuffer;var isSameOrigin=sharedUtil.isSameOrigin;var loadJpegStream=sharedUtil.loadJpegStream;var stringToBytes=sharedUtil.stringToBytes;var globalScope=sharedUtil.globalScope;var warn=sharedUtil.warn;var FontFaceObject=displayFontLoader.FontFaceObject;var FontLoader=displayFontLoader.FontLoader;var CanvasGraphics=displayCanvas.CanvasGraphics;var createScratchCanvas=displayCanvas.createScratchCanvas;var Metadata=displayMetadata.Metadata;var getDefaultSetting=displayDOMUtils.getDefaultSetting;var DEFAULT_RANGE_CHUNK_SIZE=65536;var isWorkerDisabled=false;var workerSrc;var isPostMessageTransfersDisabled=false;var useRequireEnsure=false;if(typeof window==="undefined"){isWorkerDisabled=true;if(typeof require.ensure==="undefined"){require.ensure=require("node-ensure")}useRequireEnsure=true}if(typeof __webpack_require__!=="undefined"){useRequireEnsure=true}if(typeof requirejs!=="undefined"&&requirejs.toUrl){workerSrc=requirejs.toUrl("pdfjs-dist/build/pdf.worker.js")}var dynamicLoaderSupported=typeof requirejs!=="undefined"&&requirejs.load;var fakeWorkerFilesLoader=useRequireEnsure?function(callback){require.ensure([],function(){var worker=require("./pdf.worker.js");callback(worker.WorkerMessageHandler)})}:dynamicLoaderSupported?function(callback){requirejs(["pdfjs-dist/build/pdf.worker"],function(worker){callback(worker.WorkerMessageHandler)})}:null;function getDocument(src,pdfDataRangeTransport,passwordCallback,progressCallback){var task=new PDFDocumentLoadingTask;if(arguments.length>1){deprecated("getDocument is called with pdfDataRangeTransport, "+"passwordCallback or progressCallback argument")}if(pdfDataRangeTransport){if(!(pdfDataRangeTransport instanceof PDFDataRangeTransport)){pdfDataRangeTransport=Object.create(pdfDataRangeTransport);pdfDataRangeTransport.length=src.length;pdfDataRangeTransport.initialData=src.initialData;if(!pdfDataRangeTransport.abort){pdfDataRangeTransport.abort=function(){}}}src=Object.create(src);src.range=pdfDataRangeTransport}task.onPassword=passwordCallback||null;task.onProgress=progressCallback||null;var source;if(typeof src==="string"){source={url:src}}else if(isArrayBuffer(src)){source={data:src}}else if(src instanceof PDFDataRangeTransport){source={range:src}}else{if(typeof src!=="object"){error("Invalid parameter in getDocument, need either Uint8Array, "+"string or a parameter object")}if(!src.url&&!src.data&&!src.range){error("Invalid parameter object: need either .data, .range or .url")}source=src}var params={};var rangeTransport=null;var worker=null;for(var key in source){if(key==="url"&&typeof window!=="undefined"){params[key]=new URL(source[key],window.location).href;continue}else if(key==="range"){rangeTransport=source[key];continue}else if(key==="worker"){worker=source[key];continue}else if(key==="data"&&!(source[key]instanceof Uint8Array)){var pdfBytes=source[key];if(typeof pdfBytes==="string"){params[key]=stringToBytes(pdfBytes)}else if(typeof pdfBytes==="object"&&pdfBytes!==null&&!isNaN(pdfBytes.length)){params[key]=new Uint8Array(pdfBytes)}else if(isArrayBuffer(pdfBytes)){params[key]=new Uint8Array(pdfBytes)}else{error("Invalid PDF binary data: either typed array, string or "+"array-like object is expected in the data property.")}continue}params[key]=source[key]}params.rangeChunkSize=params.rangeChunkSize||DEFAULT_RANGE_CHUNK_SIZE;if(!worker){worker=new PDFWorker;task._worker=worker}var docId=task.docId;worker.promise.then(function(){if(task.destroyed){throw new Error("Loading aborted")}return _fetchDocument(worker,params,rangeTransport,docId).then(function(workerId){if(task.destroyed){throw new Error("Loading aborted")}var messageHandler=new MessageHandler(docId,workerId,worker.port);var transport=new WorkerTransport(messageHandler,task,rangeTransport);task._transport=transport;messageHandler.send("Ready",null)})}).catch(task._capability.reject);return task}function _fetchDocument(worker,source,pdfDataRangeTransport,docId){if(worker.destroyed){return Promise.reject(new Error("Worker was destroyed"))}source.disableAutoFetch=getDefaultSetting("disableAutoFetch");source.disableStream=getDefaultSetting("disableStream");source.chunkedViewerLoading=!!pdfDataRangeTransport;if(pdfDataRangeTransport){source.length=pdfDataRangeTransport.length;source.initialData=pdfDataRangeTransport.initialData}return worker.messageHandler.sendWithPromise("GetDocRequest",{docId:docId,source:source,disableRange:getDefaultSetting("disableRange"),maxImageSize:getDefaultSetting("maxImageSize"),cMapUrl:getDefaultSetting("cMapUrl"),cMapPacked:getDefaultSetting("cMapPacked"),disableFontFace:getDefaultSetting("disableFontFace"),disableCreateObjectURL:getDefaultSetting("disableCreateObjectURL"),postMessageTransfers:getDefaultSetting("postMessageTransfers")&&!isPostMessageTransfersDisabled}).then(function(workerId){if(worker.destroyed){throw new Error("Worker was destroyed")}return workerId})}var PDFDocumentLoadingTask=function PDFDocumentLoadingTaskClosure(){var nextDocumentId=0;function PDFDocumentLoadingTask(){this._capability=createPromiseCapability();this._transport=null;this._worker=null;this.docId="d"+nextDocumentId++;this.destroyed=false;this.onPassword=null;this.onProgress=null;this.onUnsupportedFeature=null}PDFDocumentLoadingTask.prototype={get promise(){return this._capability.promise},destroy:function(){this.destroyed=true;var transportDestroyed=!this._transport?Promise.resolve():this._transport.destroy();return transportDestroyed.then(function(){this._transport=null;if(this._worker){this._worker.destroy();this._worker=null}}.bind(this))},then:function PDFDocumentLoadingTask_then(onFulfilled,onRejected){return this.promise.then.apply(this.promise,arguments)}};return PDFDocumentLoadingTask}();var PDFDataRangeTransport=function pdfDataRangeTransportClosure(){function PDFDataRangeTransport(length,initialData){this.length=length;this.initialData=initialData;this._rangeListeners=[];this._progressListeners=[];this._progressiveReadListeners=[];this._readyCapability=createPromiseCapability()}PDFDataRangeTransport.prototype={addRangeListener:function PDFDataRangeTransport_addRangeListener(listener){this._rangeListeners.push(listener)},addProgressListener:function PDFDataRangeTransport_addProgressListener(listener){this._progressListeners.push(listener)},addProgressiveReadListener:function PDFDataRangeTransport_addProgressiveReadListener(listener){this._progressiveReadListeners.push(listener)},onDataRange:function PDFDataRangeTransport_onDataRange(begin,chunk){var listeners=this._rangeListeners;for(var i=0,n=listeners.length;i<n;++i){listeners[i](begin,chunk)}},onDataProgress:function PDFDataRangeTransport_onDataProgress(loaded){this._readyCapability.promise.then(function(){var listeners=this._progressListeners;for(var i=0,n=listeners.length;i<n;++i){listeners[i](loaded)}}.bind(this))},onDataProgressiveRead:function PDFDataRangeTransport_onDataProgress(chunk){this._readyCapability.promise.then(function(){var listeners=this._progressiveReadListeners;for(var i=0,n=listeners.length;i<n;++i){listeners[i](chunk)}}.bind(this))},transportReady:function PDFDataRangeTransport_transportReady(){this._readyCapability.resolve()},requestDataRange:function PDFDataRangeTransport_requestDataRange(begin,end){throw new Error("Abstract method PDFDataRangeTransport.requestDataRange")},abort:function PDFDataRangeTransport_abort(){}};return PDFDataRangeTransport}();var PDFDocumentProxy=function PDFDocumentProxyClosure(){function PDFDocumentProxy(pdfInfo,transport,loadingTask){this.pdfInfo=pdfInfo;this.transport=transport;this.loadingTask=loadingTask}PDFDocumentProxy.prototype={get numPages(){return this.pdfInfo.numPages},get fingerprint(){return this.pdfInfo.fingerprint},getPage:function PDFDocumentProxy_getPage(pageNumber){return this.transport.getPage(pageNumber)},getPageIndex:function PDFDocumentProxy_getPageIndex(ref){return this.transport.getPageIndex(ref)},getDestinations:function PDFDocumentProxy_getDestinations(){return this.transport.getDestinations()},getDestination:function PDFDocumentProxy_getDestination(id){return this.transport.getDestination(id)},getPageLabels:function PDFDocumentProxy_getPageLabels(){return this.transport.getPageLabels()},getAttachments:function PDFDocumentProxy_getAttachments(){return this.transport.getAttachments()},getJavaScript:function PDFDocumentProxy_getJavaScript(){return this.transport.getJavaScript()},getOutline:function PDFDocumentProxy_getOutline(){return this.transport.getOutline()},getMetadata:function PDFDocumentProxy_getMetadata(){return this.transport.getMetadata()},getData:function PDFDocumentProxy_getData(){return this.transport.getData()},getDownloadInfo:function PDFDocumentProxy_getDownloadInfo(){return this.transport.downloadInfoCapability.promise},getStats:function PDFDocumentProxy_getStats(){return this.transport.getStats()},cleanup:function PDFDocumentProxy_cleanup(){this.transport.startCleanup()},destroy:function PDFDocumentProxy_destroy(){return this.loadingTask.destroy()}};return PDFDocumentProxy}();var PDFPageProxy=function PDFPageProxyClosure(){function PDFPageProxy(pageIndex,pageInfo,transport){this.pageIndex=pageIndex;this.pageInfo=pageInfo;this.transport=transport;this.stats=new StatTimer;this.stats.enabled=getDefaultSetting("enableStats");this.commonObjs=transport.commonObjs;this.objs=new PDFObjects;this.cleanupAfterRender=false;this.pendingCleanup=false;this.intentStates=Object.create(null);this.destroyed=false}PDFPageProxy.prototype={get pageNumber(){return this.pageIndex+1},get rotate(){return this.pageInfo.rotate},get ref(){return this.pageInfo.ref},get view(){return this.pageInfo.view},getViewport:function PDFPageProxy_getViewport(scale,rotate){if(arguments.length<2){rotate=this.rotate}return new PageViewport(this.view,scale,rotate,0,0)},getAnnotations:function PDFPageProxy_getAnnotations(params){var intent=params&&params.intent||null;if(!this.annotationsPromise||this.annotationsIntent!==intent){this.annotationsPromise=this.transport.getAnnotations(this.pageIndex,intent);this.annotationsIntent=intent}return this.annotationsPromise},render:function PDFPageProxy_render(params){var stats=this.stats;stats.time("Overall");this.pendingCleanup=false;var renderingIntent=params.intent==="print"?"print":"display";var renderInteractiveForms=params.renderInteractiveForms===true?true:false;if(!this.intentStates[renderingIntent]){this.intentStates[renderingIntent]=Object.create(null)
+}var intentState=this.intentStates[renderingIntent];if(!intentState.displayReadyCapability){intentState.receivingOperatorList=true;intentState.displayReadyCapability=createPromiseCapability();intentState.operatorList={fnArray:[],argsArray:[],lastChunk:false};this.stats.time("Page Request");this.transport.messageHandler.send("RenderPageRequest",{pageIndex:this.pageNumber-1,intent:renderingIntent,renderInteractiveForms:renderInteractiveForms})}var internalRenderTask=new InternalRenderTask(complete,params,this.objs,this.commonObjs,intentState.operatorList,this.pageNumber);internalRenderTask.useRequestAnimationFrame=renderingIntent!=="print";if(!intentState.renderTasks){intentState.renderTasks=[]}intentState.renderTasks.push(internalRenderTask);var renderTask=internalRenderTask.task;if(params.continueCallback){deprecated("render is used with continueCallback parameter");renderTask.onContinue=params.continueCallback}var self=this;intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency){if(self.pendingCleanup){complete();return}stats.time("Rendering");internalRenderTask.initializeGraphics(transparency);internalRenderTask.operatorListChanged()},function pageDisplayReadPromiseError(reason){complete(reason)});function complete(error){var i=intentState.renderTasks.indexOf(internalRenderTask);if(i>=0){intentState.renderTasks.splice(i,1)}if(self.cleanupAfterRender){self.pendingCleanup=true}self._tryCleanup();if(error){internalRenderTask.capability.reject(error)}else{internalRenderTask.capability.resolve()}stats.timeEnd("Rendering");stats.timeEnd("Overall")}return renderTask},getOperatorList:function PDFPageProxy_getOperatorList(){function operatorListChanged(){if(intentState.operatorList.lastChunk){intentState.opListReadCapability.resolve(intentState.operatorList);var i=intentState.renderTasks.indexOf(opListTask);if(i>=0){intentState.renderTasks.splice(i,1)}}}var renderingIntent="oplist";if(!this.intentStates[renderingIntent]){this.intentStates[renderingIntent]=Object.create(null)}var intentState=this.intentStates[renderingIntent];var opListTask;if(!intentState.opListReadCapability){opListTask={};opListTask.operatorListChanged=operatorListChanged;intentState.receivingOperatorList=true;intentState.opListReadCapability=createPromiseCapability();intentState.renderTasks=[];intentState.renderTasks.push(opListTask);intentState.operatorList={fnArray:[],argsArray:[],lastChunk:false};this.transport.messageHandler.send("RenderPageRequest",{pageIndex:this.pageIndex,intent:renderingIntent})}return intentState.opListReadCapability.promise},getTextContent:function PDFPageProxy_getTextContent(params){return this.transport.messageHandler.sendWithPromise("GetTextContent",{pageIndex:this.pageNumber-1,normalizeWhitespace:params&&params.normalizeWhitespace===true?true:false,combineTextItems:params&&params.disableCombineTextItems===true?false:true})},_destroy:function PDFPageProxy_destroy(){this.destroyed=true;this.transport.pageCache[this.pageIndex]=null;var waitOn=[];Object.keys(this.intentStates).forEach(function(intent){if(intent==="oplist"){return}var intentState=this.intentStates[intent];intentState.renderTasks.forEach(function(renderTask){var renderCompleted=renderTask.capability.promise.catch(function(){});waitOn.push(renderCompleted);renderTask.cancel()})},this);this.objs.clear();this.annotationsPromise=null;this.pendingCleanup=false;return Promise.all(waitOn)},destroy:function(){deprecated("page destroy method, use cleanup() instead");this.cleanup()},cleanup:function PDFPageProxy_cleanup(){this.pendingCleanup=true;this._tryCleanup()},_tryCleanup:function PDFPageProxy_tryCleanup(){if(!this.pendingCleanup||Object.keys(this.intentStates).some(function(intent){var intentState=this.intentStates[intent];return intentState.renderTasks.length!==0||intentState.receivingOperatorList},this)){return}Object.keys(this.intentStates).forEach(function(intent){delete this.intentStates[intent]},this);this.objs.clear();this.annotationsPromise=null;this.pendingCleanup=false},_startRenderPage:function PDFPageProxy_startRenderPage(transparency,intent){var intentState=this.intentStates[intent];if(intentState.displayReadyCapability){intentState.displayReadyCapability.resolve(transparency)}},_renderPageChunk:function PDFPageProxy_renderPageChunk(operatorListChunk,intent){var intentState=this.intentStates[intent];var i,ii;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;for(i=0;i<intentState.renderTasks.length;i++){intentState.renderTasks[i].operatorListChanged()}if(operatorListChunk.lastChunk){intentState.receivingOperatorList=false;this._tryCleanup()}}};return PDFPageProxy}();var PDFWorker=function PDFWorkerClosure(){var nextFakeWorkerId=0;function getWorkerSrc(){if(typeof workerSrc!=="undefined"){return workerSrc}if(getDefaultSetting("workerSrc")){return getDefaultSetting("workerSrc")}if(pdfjsFilePath){return pdfjsFilePath.replace(/\.js$/i,".worker.js")}error("No PDFJS.workerSrc specified")}var fakeWorkerFilesLoadedCapability;function setupFakeWorkerGlobal(){var WorkerMessageHandler;if(!fakeWorkerFilesLoadedCapability){fakeWorkerFilesLoadedCapability=createPromiseCapability();var loader=fakeWorkerFilesLoader||function(callback){Util.loadScript(getWorkerSrc(),function(){callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler)})};loader(fakeWorkerFilesLoadedCapability.resolve)}return fakeWorkerFilesLoadedCapability.promise}function FakeWorkerPort(defer){this._listeners=[];this._defer=defer;this._deferred=Promise.resolve(undefined)}FakeWorkerPort.prototype={postMessage:function(obj,transfers){function cloneValue(value){if(typeof value!=="object"||value===null){return value}if(cloned.has(value)){return cloned.get(value)}var result;var buffer;if((buffer=value.buffer)&&isArrayBuffer(buffer)){var transferable=transfers&&transfers.indexOf(buffer)>=0;if(value===buffer){result=value}else if(transferable){result=new value.constructor(buffer,value.byteOffset,value.byteLength)}else{result=new value.constructor(value)}cloned.set(value,result);return result}result=isArray(value)?[]:{};cloned.set(value,result);for(var i in value){var desc,p=value;while(!(desc=Object.getOwnPropertyDescriptor(p,i))){p=Object.getPrototypeOf(p)}if(typeof desc.value==="undefined"||typeof desc.value==="function"){continue}result[i]=cloneValue(desc.value)}return result}if(!this._defer){this._listeners.forEach(function(listener){listener.call(this,{data:obj})},this);return}var cloned=new WeakMap;var e={data:cloneValue(obj)};this._deferred.then(function(){this._listeners.forEach(function(listener){listener.call(this,e)},this)}.bind(this))},addEventListener:function(name,listener){this._listeners.push(listener)},removeEventListener:function(name,listener){var i=this._listeners.indexOf(listener);this._listeners.splice(i,1)},terminate:function(){this._listeners=[]}};function createCDNWrapper(url){var wrapper="importScripts('"+url+"');";return URL.createObjectURL(new Blob([wrapper]))}function PDFWorker(name){this.name=name;this.destroyed=false;this._readyCapability=createPromiseCapability();this._port=null;this._webWorker=null;this._messageHandler=null;this._initialize()}PDFWorker.prototype={get promise(){return this._readyCapability.promise},get port(){return this._port},get messageHandler(){return this._messageHandler},_initialize:function PDFWorker_initialize(){if(!isWorkerDisabled&&!getDefaultSetting("disableWorker")&&typeof Worker!=="undefined"){var workerSrc=getWorkerSrc();try{if(!isSameOrigin(window.location.href,workerSrc)){workerSrc=createCDNWrapper(new URL(workerSrc,window.location).href)}var worker=new Worker(workerSrc);var messageHandler=new MessageHandler("main","worker",worker);var terminateEarly=function(){worker.removeEventListener("error",onWorkerError);messageHandler.destroy();worker.terminate();if(this.destroyed){this._readyCapability.reject(new Error("Worker was destroyed"))}else{this._setupFakeWorker()}}.bind(this);var onWorkerError=function(event){if(!this._webWorker){terminateEarly()}}.bind(this);worker.addEventListener("error",onWorkerError);messageHandler.on("test",function PDFWorker_test(data){worker.removeEventListener("error",onWorkerError);if(this.destroyed){terminateEarly();return}var supportTypedArray=data&&data.supportTypedArray;if(supportTypedArray){this._messageHandler=messageHandler;this._port=worker;this._webWorker=worker;if(!data.supportTransfers){isPostMessageTransfersDisabled=true}this._readyCapability.resolve();messageHandler.send("configure",{verbosity:getVerbosityLevel()})}else{this._setupFakeWorker();messageHandler.destroy();worker.terminate()}}.bind(this));messageHandler.on("console_log",function(data){console.log.apply(console,data)});messageHandler.on("console_error",function(data){console.error.apply(console,data)});messageHandler.on("ready",function(data){worker.removeEventListener("error",onWorkerError);if(this.destroyed){terminateEarly();return}try{sendTest()}catch(e){this._setupFakeWorker()}}.bind(this));var sendTest=function(){var postMessageTransfers=getDefaultSetting("postMessageTransfers")&&!isPostMessageTransfersDisabled;var testObj=new Uint8Array([postMessageTransfers?255:0]);try{messageHandler.send("test",testObj,[testObj.buffer])}catch(ex){info("Cannot use postMessage transfers");testObj[0]=0;messageHandler.send("test",testObj)}};sendTest();return}catch(e){info("The worker has been disabled.")}}this._setupFakeWorker()},_setupFakeWorker:function PDFWorker_setupFakeWorker(){if(!isWorkerDisabled&&!getDefaultSetting("disableWorker")){warn("Setting up fake worker.");isWorkerDisabled=true}setupFakeWorkerGlobal().then(function(WorkerMessageHandler){if(this.destroyed){this._readyCapability.reject(new Error("Worker was destroyed"));return}var isTypedArraysPresent=Uint8Array!==Float32Array;var port=new FakeWorkerPort(isTypedArraysPresent);this._port=port;var id="fake"+nextFakeWorkerId++;var workerHandler=new MessageHandler(id+"_worker",id,port);WorkerMessageHandler.setup(workerHandler,port);var messageHandler=new MessageHandler(id,id+"_worker",port);this._messageHandler=messageHandler;this._readyCapability.resolve()}.bind(this))},destroy:function PDFWorker_destroy(){this.destroyed=true;if(this._webWorker){this._webWorker.terminate();this._webWorker=null}this._port=null;if(this._messageHandler){this._messageHandler.destroy();this._messageHandler=null}}};return PDFWorker}();var WorkerTransport=function WorkerTransportClosure(){function WorkerTransport(messageHandler,loadingTask,pdfDataRangeTransport){this.messageHandler=messageHandler;this.loadingTask=loadingTask;this.pdfDataRangeTransport=pdfDataRangeTransport;this.commonObjs=new PDFObjects;this.fontLoader=new FontLoader(loadingTask.docId);this.destroyed=false;this.destroyCapability=null;this.pageCache=[];this.pagePromises=[];this.downloadInfoCapability=createPromiseCapability();this.setupMessageHandler()}WorkerTransport.prototype={destroy:function WorkerTransport_destroy(){if(this.destroyCapability){return this.destroyCapability.promise}this.destroyed=true;this.destroyCapability=createPromiseCapability();var waitOn=[];this.pageCache.forEach(function(page){if(page){waitOn.push(page._destroy())}});this.pageCache=[];this.pagePromises=[];var self=this;var terminated=this.messageHandler.sendWithPromise("Terminate",null);waitOn.push(terminated);Promise.all(waitOn).then(function(){self.fontLoader.clear();if(self.pdfDataRangeTransport){self.pdfDataRangeTransport.abort();self.pdfDataRangeTransport=null}if(self.messageHandler){self.messageHandler.destroy();self.messageHandler=null}self.destroyCapability.resolve()},this.destroyCapability.reject);return this.destroyCapability.promise},setupMessageHandler:function WorkerTransport_setupMessageHandler(){var messageHandler=this.messageHandler;function updatePassword(password){messageHandler.send("UpdatePassword",password)}var pdfDataRangeTransport=this.pdfDataRangeTransport;if(pdfDataRangeTransport){pdfDataRangeTransport.addRangeListener(function(begin,chunk){messageHandler.send("OnDataRange",{begin:begin,chunk:chunk})});pdfDataRangeTransport.addProgressListener(function(loaded){messageHandler.send("OnDataProgress",{loaded:loaded})});pdfDataRangeTransport.addProgressiveReadListener(function(chunk){messageHandler.send("OnDataRange",{chunk:chunk})});messageHandler.on("RequestDataRange",function transportDataRange(data){pdfDataRangeTransport.requestDataRange(data.begin,data.end)},this)}messageHandler.on("GetDoc",function transportDoc(data){var pdfInfo=data.pdfInfo;this.numPages=data.pdfInfo.numPages;var loadingTask=this.loadingTask;var pdfDocument=new PDFDocumentProxy(pdfInfo,this,loadingTask);this.pdfDocument=pdfDocument;loadingTask._capability.resolve(pdfDocument)},this);messageHandler.on("NeedPassword",function transportNeedPassword(exception){var loadingTask=this.loadingTask;if(loadingTask.onPassword){return loadingTask.onPassword(updatePassword,PasswordResponses.NEED_PASSWORD)}loadingTask._capability.reject(new PasswordException(exception.message,exception.code))},this);messageHandler.on("IncorrectPassword",function transportIncorrectPassword(exception){var loadingTask=this.loadingTask;if(loadingTask.onPassword){return loadingTask.onPassword(updatePassword,PasswordResponses.INCORRECT_PASSWORD)}loadingTask._capability.reject(new PasswordException(exception.message,exception.code))},this);messageHandler.on("InvalidPDF",function transportInvalidPDF(exception){this.loadingTask._capability.reject(new InvalidPDFException(exception.message))},this);messageHandler.on("MissingPDF",function transportMissingPDF(exception){this.loadingTask._capability.reject(new MissingPDFException(exception.message))},this);messageHandler.on("UnexpectedResponse",function transportUnexpectedResponse(exception){this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message,exception.status))},this);messageHandler.on("UnknownError",function transportUnknownError(exception){this.loadingTask._capability.reject(new UnknownErrorException(exception.message,exception.details))},this);messageHandler.on("DataLoaded",function transportPage(data){this.downloadInfoCapability.resolve(data)},this);messageHandler.on("PDFManagerReady",function transportPage(data){if(this.pdfDataRangeTransport){this.pdfDataRangeTransport.transportReady()}},this);messageHandler.on("StartRenderPage",function transportRender(data){if(this.destroyed){return}var page=this.pageCache[data.pageIndex];page.stats.timeEnd("Page Request");page._startRenderPage(data.transparency,data.intent)},this);messageHandler.on("RenderPageChunk",function transportRender(data){if(this.destroyed){return}var page=this.pageCache[data.pageIndex];page._renderPageChunk(data.operatorList,data.intent)},this);messageHandler.on("commonobj",function transportObj(data){if(this.destroyed){return}var id=data[0];var type=data[1];if(this.commonObjs.hasData(id)){return}switch(type){case"Font":var exportedData=data[2];if("error"in exportedData){var exportedError=exportedData.error;warn("Error during font loading: "+exportedError);this.commonObjs.resolve(id,exportedError);break}var fontRegistry=null;if(getDefaultSetting("pdfBug")&&globalScope.FontInspector&&globalScope["FontInspector"].enabled){fontRegistry={registerFont:function(font,url){globalScope["FontInspector"].fontAdded(font,url)}}}var font=new FontFaceObject(exportedData,{isEvalSuported:getDefaultSetting("isEvalSupported"),disableFontFace:getDefaultSetting("disableFontFace"),fontRegistry:fontRegistry});this.fontLoader.bind([font],function fontReady(fontObjs){this.commonObjs.resolve(id,font)}.bind(this));break;case"FontPath":this.commonObjs.resolve(id,data[2]);break;default:error("Got unknown common object type "+type)}},this);messageHandler.on("obj",function transportObj(data){if(this.destroyed){return}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);var MAX_IMAGE_SIZE_TO_STORE=8e6;if(imageData&&"data"in imageData&&imageData.data.length>MAX_IMAGE_SIZE_TO_STORE){pageProxy.cleanupAfterRender=true}break;default:error("Got unknown object type "+type)}},this);messageHandler.on("DocProgress",function transportDocProgress(data){if(this.destroyed){return}var loadingTask=this.loadingTask;if(loadingTask.onProgress){loadingTask.onProgress({loaded:data.loaded,total:data.total})}},this);messageHandler.on("PageError",function transportError(data){if(this.destroyed){return}var page=this.pageCache[data.pageNum-1];var intentState=page.intentStates[data.intent];if(intentState.displayReadyCapability){intentState.displayReadyCapability.reject(data.error)}else{error(data.error)}if(intentState.operatorList){intentState.operatorList.lastChunk=true;for(var i=0;i<intentState.renderTasks.length;i++){intentState.renderTasks[i].operatorListChanged()}}},this);messageHandler.on("UnsupportedFeature",function transportUnsupportedFeature(data){if(this.destroyed){return}var featureId=data.featureId;var loadingTask=this.loadingTask;if(loadingTask.onUnsupportedFeature){loadingTask.onUnsupportedFeature(featureId)}_UnsupportedManager.notify(featureId)},this);messageHandler.on("JpegDecode",function(data){if(this.destroyed){return Promise.reject(new Error("Worker was destroyed"))}var imageUrl=data[0];var components=data[1];if(components!==3&&components!==1){return Promise.reject(new Error("Only 3 components or 1 component can be returned"))}return new Promise(function(resolve,reject){var img=new Image;img.onload=function(){var width=img.width;var height=img.height;var size=width*height;var rgbaLength=size*4;var buf=new Uint8Array(size*components);var tmpCanvas=createScratchCanvas(width,height);var tmpCtx=tmpCanvas.getContext("2d");tmpCtx.drawImage(img,0,0);var data=tmpCtx.getImageData(0,0,width,height).data;var i,j;if(components===3){for(i=0,j=0;i<rgbaLength;i+=4,j+=3){buf[j]=data[i];buf[j+1]=data[i+1];buf[j+2]=data[i+2]}}else if(components===1){for(i=0,j=0;i<rgbaLength;i+=4,j++){buf[j]=data[i]}}resolve({data:buf,width:width,height:height})};img.onerror=function(){reject(new Error("JpegDecode failed to load image"))};img.src=imageUrl})},this)},getData:function WorkerTransport_getData(){return this.messageHandler.sendWithPromise("GetData",null)},getPage:function WorkerTransport_getPage(pageNumber,capability){if(!isInt(pageNumber)||pageNumber<=0||pageNumber>this.numPages){return Promise.reject(new Error("Invalid page request"))}var pageIndex=pageNumber-1;if(pageIndex in this.pagePromises){return this.pagePromises[pageIndex]}var promise=this.messageHandler.sendWithPromise("GetPage",{pageIndex:pageIndex}).then(function(pageInfo){if(this.destroyed){throw new Error("Transport destroyed")}var page=new PDFPageProxy(pageIndex,pageInfo,this);this.pageCache[pageIndex]=page;return page}.bind(this));this.pagePromises[pageIndex]=promise;return promise},getPageIndex:function WorkerTransport_getPageIndexByRef(ref){return this.messageHandler.sendWithPromise("GetPageIndex",{ref:ref}).catch(function(reason){return Promise.reject(new Error(reason))})},getAnnotations:function WorkerTransport_getAnnotations(pageIndex,intent){return this.messageHandler.sendWithPromise("GetAnnotations",{pageIndex:pageIndex,intent:intent})},getDestinations:function WorkerTransport_getDestinations(){return this.messageHandler.sendWithPromise("GetDestinations",null)},getDestination:function WorkerTransport_getDestination(id){return this.messageHandler.sendWithPromise("GetDestination",{id:id})},getPageLabels:function WorkerTransport_getPageLabels(){return this.messageHandler.sendWithPromise("GetPageLabels",null)},getAttachments:function WorkerTransport_getAttachments(){return this.messageHandler.sendWithPromise("GetAttachments",null)},getJavaScript:function WorkerTransport_getJavaScript(){return this.messageHandler.sendWithPromise("GetJavaScript",null)},getOutline:function WorkerTransport_getOutline(){return this.messageHandler.sendWithPromise("GetOutline",null)},getMetadata:function WorkerTransport_getMetadata(){return this.messageHandler.sendWithPromise("GetMetadata",null).then(function transportMetadata(results){return{info:results[0],metadata:results[1]?new Metadata(results[1]):null}})},getStats:function WorkerTransport_getStats(){return this.messageHandler.sendWithPromise("GetStats",null)},startCleanup:function WorkerTransport_startCleanup(){this.messageHandler.sendWithPromise("Cleanup",null).then(function endCleanup(){for(var i=0,ii=this.pageCache.length;i<ii;i++){var page=this.pageCache[i];if(page){page.cleanup()}}this.commonObjs.clear();this.fontLoader.clear()}.bind(this))}};return WorkerTransport}();var PDFObjects=function PDFObjectsClosure(){function PDFObjects(){this.objs=Object.create(null)}PDFObjects.prototype={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},get:function PDFObjects_get(objId,callback){if(callback){this.ensureObj(objId).capability.promise.then(callback);return null}var obj=this.objs[objId];if(!obj||!obj.resolved){error("Requesting object that isn't resolved yet "+objId)}return obj.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)},getData:function PDFObjects_getData(objId){var objs=this.objs;if(!objs[objId]||!objs[objId].resolved){return null}else{return objs[objId].data}},clear:function PDFObjects_clear(){this.objs=Object.create(null)}};return PDFObjects}();var RenderTask=function RenderTaskClosure(){function RenderTask(internalRenderTask){this._internalRenderTask=internalRenderTask;this.onContinue=null}RenderTask.prototype={get promise(){return this._internalRenderTask.capability.promise},cancel:function RenderTask_cancel(){this._internalRenderTask.cancel()},then:function RenderTask_then(onFulfilled,onRejected){return this.promise.then.apply(this.promise,arguments)}};return RenderTask}();var InternalRenderTask=function InternalRenderTaskClosure(){function InternalRenderTask(callback,params,objs,commonObjs,operatorList,pageNumber){this.callback=callback;this.params=params;this.objs=objs;this.commonObjs=commonObjs;this.operatorListIdx=null;this.operatorList=operatorList;this.pageNumber=pageNumber;this.running=false;this.graphicsReadyCallback=null;this.graphicsReady=false;this.useRequestAnimationFrame=false;this.cancelled=false;this.capability=createPromiseCapability();this.task=new RenderTask(this);this._continueBound=this._continue.bind(this);this._scheduleNextBound=this._scheduleNext.bind(this);this._nextBound=this._next.bind(this)}InternalRenderTask.prototype={initializeGraphics:function InternalRenderTask_initializeGraphics(transparency){if(this.cancelled){return}if(getDefaultSetting("pdfBug")&&globalScope.StepperManager&&globalScope.StepperManager.enabled){this.stepper=globalScope.StepperManager.create(this.pageNumber-1);this.stepper.init(this.operatorList);this.stepper.nextBreakPoint=this.stepper.getNextBreakPoint()}var params=this.params;this.gfx=new CanvasGraphics(params.canvasContext,this.commonObjs,this.objs,params.imageLayer);this.gfx.beginDrawing(params.transform,params.viewport,transparency);this.operatorListIdx=0;this.graphicsReady=true;if(this.graphicsReadyCallback){this.graphicsReadyCallback()}},cancel:function InternalRenderTask_cancel(){this.running=false;this.cancelled=true;this.callback("cancelled")},operatorListChanged:function InternalRenderTask_operatorListChanged(){if(!this.graphicsReady){if(!this.graphicsReadyCallback){this.graphicsReadyCallback=this._continueBound}return}if(this.stepper){this.stepper.updateOperatorList(this.operatorList)}if(this.running){return}this._continue()},_continue:function InternalRenderTask__continue(){this.running=true;if(this.cancelled){return}if(this.task.onContinue){this.task.onContinue.call(this.task,this._scheduleNextBound)}else{this._scheduleNext()}},_scheduleNext:function InternalRenderTask__scheduleNext(){if(this.useRequestAnimationFrame&&typeof window!=="undefined"){window.requestAnimationFrame(this._nextBound)}else{Promise.resolve(undefined).then(this._nextBound)}},_next:function InternalRenderTask__next(){if(this.cancelled){return}this.operatorListIdx=this.gfx.executeOperatorList(this.operatorList,this.operatorListIdx,this._continueBound,this.stepper);if(this.operatorListIdx===this.operatorList.argsArray.length){this.running=false;if(this.operatorList.lastChunk){this.gfx.endDrawing();this.callback()}}}};return InternalRenderTask}();var _UnsupportedManager=function UnsupportedManagerClosure(){var listeners=[];return{listen:function(cb){deprecated("Global UnsupportedManager.listen is used: "+" use PDFDocumentLoadingTask.onUnsupportedFeature instead");listeners.push(cb)},notify:function(featureId){for(var i=0,ii=listeners.length;i<ii;i++){listeners[i](featureId)}}}}();if(typeof pdfjsVersion!=="undefined"){exports.version=pdfjsVersion}if(typeof pdfjsBuild!=="undefined"){exports.build=pdfjsBuild}exports.getDocument=getDocument;exports.PDFDataRangeTransport=PDFDataRangeTransport;exports.PDFWorker=PDFWorker;exports.PDFDocumentProxy=PDFDocumentProxy;exports.PDFPageProxy=PDFPageProxy;exports._UnsupportedManager=_UnsupportedManager});(function(root,factory){{factory(root.pdfjsDisplayGlobal={},root.pdfjsSharedUtil,root.pdfjsDisplayDOMUtils,root.pdfjsDisplayAPI,root.pdfjsDisplayAnnotationLayer,root.pdfjsDisplayTextLayer,root.pdfjsDisplayMetadata,root.pdfjsDisplaySVG)}})(this,function(exports,sharedUtil,displayDOMUtils,displayAPI,displayAnnotationLayer,displayTextLayer,displayMetadata,displaySVG){var globalScope=sharedUtil.globalScope;var deprecated=sharedUtil.deprecated;var warn=sharedUtil.warn;var LinkTarget=displayDOMUtils.LinkTarget;var isWorker=typeof window==="undefined";if(!globalScope.PDFJS){globalScope.PDFJS={}}var PDFJS=globalScope.PDFJS;if(typeof pdfjsVersion!=="undefined"){PDFJS.version=pdfjsVersion}if(typeof pdfjsBuild!=="undefined"){PDFJS.build=pdfjsBuild}PDFJS.pdfBug=false;if(PDFJS.verbosity!==undefined){sharedUtil.setVerbosityLevel(PDFJS.verbosity)}delete PDFJS.verbosity;Object.defineProperty(PDFJS,"verbosity",{get:function(){return sharedUtil.getVerbosityLevel()},set:function(level){sharedUtil.setVerbosityLevel(level)},enumerable:true,configurable:true});PDFJS.VERBOSITY_LEVELS=sharedUtil.VERBOSITY_LEVELS;PDFJS.OPS=sharedUtil.OPS;PDFJS.UNSUPPORTED_FEATURES=sharedUtil.UNSUPPORTED_FEATURES;PDFJS.isValidUrl=sharedUtil.isValidUrl;PDFJS.shadow=sharedUtil.shadow;PDFJS.createBlob=sharedUtil.createBlob;PDFJS.createObjectURL=function PDFJS_createObjectURL(data,contentType){return sharedUtil.createObjectURL(data,contentType,PDFJS.disableCreateObjectURL)};Object.defineProperty(PDFJS,"isLittleEndian",{configurable:true,get:function PDFJS_isLittleEndian(){var value=sharedUtil.isLittleEndian();return sharedUtil.shadow(PDFJS,"isLittleEndian",value)}});PDFJS.removeNullCharacters=sharedUtil.removeNullCharacters;PDFJS.PasswordResponses=sharedUtil.PasswordResponses;PDFJS.PasswordException=sharedUtil.PasswordException;PDFJS.UnknownErrorException=sharedUtil.UnknownErrorException;PDFJS.InvalidPDFException=sharedUtil.InvalidPDFException;PDFJS.MissingPDFException=sharedUtil.MissingPDFException;PDFJS.UnexpectedResponseException=sharedUtil.UnexpectedResponseException;PDFJS.Util=sharedUtil.Util;PDFJS.PageViewport=sharedUtil.PageViewport;PDFJS.createPromiseCapability=sharedUtil.createPromiseCapability;PDFJS.maxImageSize=PDFJS.maxImageSize===undefined?-1:PDFJS.maxImageSize;PDFJS.cMapUrl=PDFJS.cMapUrl===undefined?null:PDFJS.cMapUrl;PDFJS.cMapPacked=PDFJS.cMapPacked===undefined?false:PDFJS.cMapPacked;PDFJS.disableFontFace=PDFJS.disableFontFace===undefined?false:PDFJS.disableFontFace;PDFJS.imageResourcesPath=PDFJS.imageResourcesPath===undefined?"":PDFJS.imageResourcesPath;PDFJS.disableWorker=PDFJS.disableWorker===undefined?false:PDFJS.disableWorker;PDFJS.workerSrc=PDFJS.workerSrc===undefined?null:PDFJS.workerSrc;PDFJS.disableRange=PDFJS.disableRange===undefined?false:PDFJS.disableRange;PDFJS.disableStream=PDFJS.disableStream===undefined?false:PDFJS.disableStream;PDFJS.disableAutoFetch=PDFJS.disableAutoFetch===undefined?false:PDFJS.disableAutoFetch;PDFJS.pdfBug=PDFJS.pdfBug===undefined?false:PDFJS.pdfBug;PDFJS.postMessageTransfers=PDFJS.postMessageTransfers===undefined?true:PDFJS.postMessageTransfers;PDFJS.disableCreateObjectURL=PDFJS.disableCreateObjectURL===undefined?false:PDFJS.disableCreateObjectURL;PDFJS.disableWebGL=PDFJS.disableWebGL===undefined?true:PDFJS.disableWebGL;PDFJS.externalLinkTarget=PDFJS.externalLinkTarget===undefined?LinkTarget.NONE:PDFJS.externalLinkTarget;PDFJS.externalLinkRel=PDFJS.externalLinkRel===undefined?"noreferrer":PDFJS.externalLinkRel;PDFJS.isEvalSupported=PDFJS.isEvalSupported===undefined?true:PDFJS.isEvalSupported;var savedOpenExternalLinksInNewWindow=PDFJS.openExternalLinksInNewWindow;delete PDFJS.openExternalLinksInNewWindow;Object.defineProperty(PDFJS,"openExternalLinksInNewWindow",{get:function(){return PDFJS.externalLinkTarget===LinkTarget.BLANK},set:function(value){if(value){deprecated("PDFJS.openExternalLinksInNewWindow, please use "+'"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.')}if(PDFJS.externalLinkTarget!==LinkTarget.NONE){warn("PDFJS.externalLinkTarget is already initialized");return}PDFJS.externalLinkTarget=value?LinkTarget.BLANK:LinkTarget.NONE},enumerable:true,configurable:true});if(savedOpenExternalLinksInNewWindow){PDFJS.openExternalLinksInNewWindow=savedOpenExternalLinksInNewWindow}PDFJS.getDocument=displayAPI.getDocument;PDFJS.PDFDataRangeTransport=displayAPI.PDFDataRangeTransport;PDFJS.PDFWorker=displayAPI.PDFWorker;Object.defineProperty(PDFJS,"hasCanvasTypedArrays",{configurable:true,get:function PDFJS_hasCanvasTypedArrays(){var value=displayDOMUtils.hasCanvasTypedArrays();return sharedUtil.shadow(PDFJS,"hasCanvasTypedArrays",value)}});PDFJS.CustomStyle=displayDOMUtils.CustomStyle;PDFJS.LinkTarget=LinkTarget;PDFJS.addLinkAttributes=displayDOMUtils.addLinkAttributes;PDFJS.getFilenameFromUrl=displayDOMUtils.getFilenameFromUrl;PDFJS.isExternalLinkTargetSet=displayDOMUtils.isExternalLinkTargetSet;PDFJS.AnnotationLayer=displayAnnotationLayer.AnnotationLayer;PDFJS.renderTextLayer=displayTextLayer.renderTextLayer;PDFJS.Metadata=displayMetadata.Metadata;PDFJS.SVGGraphics=displaySVG.SVGGraphics;PDFJS.UnsupportedManager=displayAPI._UnsupportedManager;exports.globalScope=globalScope;exports.isWorker=isWorker;exports.PDFJS=globalScope.PDFJS})}).call(pdfjsLibs);exports.PDFJS=pdfjsLibs.pdfjsDisplayGlobal.PDFJS;exports.build=pdfjsLibs.pdfjsDisplayAPI.build;exports.version=pdfjsLibs.pdfjsDisplayAPI.version;exports.getDocument=pdfjsLibs.pdfjsDisplayAPI.getDocument;exports.PDFDataRangeTransport=pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport;exports.PDFWorker=pdfjsLibs.pdfjsDisplayAPI.PDFWorker;exports.renderTextLayer=pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer;exports.AnnotationLayer=pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer;exports.CustomStyle=pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle;exports.PasswordResponses=pdfjsLibs.pdfjsSharedUtil.PasswordResponses;exports.InvalidPDFException=pdfjsLibs.pdfjsSharedUtil.InvalidPDFException;exports.MissingPDFException=pdfjsLibs.pdfjsSharedUtil.MissingPDFException;exports.SVGGraphics=pdfjsLibs.pdfjsDisplaySVG.SVGGraphics;exports.UnexpectedResponseException=pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException;exports.OPS=pdfjsLibs.pdfjsSharedUtil.OPS;
+exports.UNSUPPORTED_FEATURES=pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES;exports.isValidUrl=pdfjsLibs.pdfjsSharedUtil.isValidUrl;exports.createObjectURL=pdfjsLibs.pdfjsSharedUtil.createObjectURL;exports.removeNullCharacters=pdfjsLibs.pdfjsSharedUtil.removeNullCharacters;exports.shadow=pdfjsLibs.pdfjsSharedUtil.shadow;exports.createBlob=pdfjsLibs.pdfjsSharedUtil.createBlob;exports.getFilenameFromUrl=pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl;exports.addLinkAttributes=pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes}); \ No newline at end of file
diff --git a/dist/js/pdf.worker.js b/dist/js/pdf.worker.js
new file mode 100644
index 0000000..11a6cf9
--- /dev/null
+++ b/dist/js/pdf.worker.js
@@ -0,0 +1,43506 @@
+/* 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 */
+/* umdutils ignore */
+
+(function (root, factory) {
+ 'use strict';
+ if (typeof define === 'function' && define.amd) {
+define('pdfjs-dist/build/pdf.worker', ['exports'], factory);
+ } else if (typeof exports !== 'undefined') {
+ factory(exports);
+ } else {
+factory((root.pdfjsDistBuildPdfWorker = {}));
+ }
+}(this, function (exports) {
+ // Use strict in our context only - users might not want it
+ 'use strict';
+
+var pdfjsVersion = '1.6.210';
+var pdfjsBuild = '4ce2356';
+
+ var pdfjsFilePath =
+ typeof document !== 'undefined' && document.currentScript ?
+ document.currentScript.src : null;
+
+ var pdfjsLibs = {};
+
+ (function pdfjsWrapper() {
+
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsCoreArithmeticDecoder = {}));
+ }
+}(this, function (exports) {
+
+/* This class implements the QM Coder decoding as defined in
+ * JPEG 2000 Part I Final Committee Draft Version 1.0
+ * Annex C.3 Arithmetic decoding procedure
+ * available at http://www.jpeg.org/public/fcd15444-1.pdf
+ *
+ * The arithmetic decoder is used in conjunction with context models to decode
+ * JPEG2000 and JBIG2 streams.
+ */
+var ArithmeticDecoder = (function ArithmeticDecoderClosure() {
+ // Table C-2
+ var QeTable = [
+ {qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1},
+ {qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0},
+ {qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0},
+ {qe: 0x0AC1, nmps: 4, nlps: 12, switchFlag: 0},
+ {qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0},
+ {qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0},
+ {qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1},
+ {qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0},
+ {qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0},
+ {qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0},
+ {qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0},
+ {qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0},
+ {qe: 0x1C01, nmps: 13, nlps: 20, switchFlag: 0},
+ {qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0},
+ {qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1},
+ {qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0},
+ {qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0},
+ {qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0},
+ {qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0},
+ {qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0},
+ {qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0},
+ {qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0},
+ {qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0},
+ {qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0},
+ {qe: 0x1C01, nmps: 25, nlps: 22, switchFlag: 0},
+ {qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0},
+ {qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0},
+ {qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0},
+ {qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0},
+ {qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0},
+ {qe: 0x0AC1, nmps: 31, nlps: 28, switchFlag: 0},
+ {qe: 0x09C1, nmps: 32, nlps: 29, switchFlag: 0},
+ {qe: 0x08A1, nmps: 33, nlps: 30, switchFlag: 0},
+ {qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0},
+ {qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0},
+ {qe: 0x02A1, nmps: 36, nlps: 33, switchFlag: 0},
+ {qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0},
+ {qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0},
+ {qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0},
+ {qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0},
+ {qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0},
+ {qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0},
+ {qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0},
+ {qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0},
+ {qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0},
+ {qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0},
+ {qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0}
+ ];
+
+ // C.3.5 Initialisation of the decoder (INITDEC)
+ function ArithmeticDecoder(data, start, end) {
+ this.data = data;
+ this.bp = start;
+ this.dataEnd = end;
+
+ this.chigh = data[start];
+ this.clow = 0;
+
+ this.byteIn();
+
+ this.chigh = ((this.chigh << 7) & 0xFFFF) | ((this.clow >> 9) & 0x7F);
+ this.clow = (this.clow << 7) & 0xFFFF;
+ this.ct -= 7;
+ this.a = 0x8000;
+ }
+
+ ArithmeticDecoder.prototype = {
+ // C.3.4 Compressed data input (BYTEIN)
+ byteIn: function ArithmeticDecoder_byteIn() {
+ var data = this.data;
+ var bp = this.bp;
+ if (data[bp] === 0xFF) {
+ var b1 = data[bp + 1];
+ if (b1 > 0x8F) {
+ this.clow += 0xFF00;
+ this.ct = 8;
+ } else {
+ bp++;
+ this.clow += (data[bp] << 9);
+ this.ct = 7;
+ this.bp = bp;
+ }
+ } else {
+ bp++;
+ this.clow += bp < this.dataEnd ? (data[bp] << 8) : 0xFF00;
+ this.ct = 8;
+ this.bp = bp;
+ }
+ if (this.clow > 0xFFFF) {
+ this.chigh += (this.clow >> 16);
+ this.clow &= 0xFFFF;
+ }
+ },
+ // C.3.2 Decoding a decision (DECODE)
+ readBit: function ArithmeticDecoder_readBit(contexts, pos) {
+ // contexts are packed into 1 byte:
+ // highest 7 bits carry cx.index, lowest bit carries cx.mps
+ var cx_index = contexts[pos] >> 1, cx_mps = contexts[pos] & 1;
+ var qeTableIcx = QeTable[cx_index];
+ var qeIcx = qeTableIcx.qe;
+ var d;
+ var a = this.a - qeIcx;
+
+ if (this.chigh < qeIcx) {
+ // exchangeLps
+ if (a < qeIcx) {
+ a = qeIcx;
+ d = cx_mps;
+ cx_index = qeTableIcx.nmps;
+ } else {
+ a = qeIcx;
+ d = 1 ^ cx_mps;
+ if (qeTableIcx.switchFlag === 1) {
+ cx_mps = d;
+ }
+ cx_index = qeTableIcx.nlps;
+ }
+ } else {
+ this.chigh -= qeIcx;
+ if ((a & 0x8000) !== 0) {
+ this.a = a;
+ return cx_mps;
+ }
+ // exchangeMps
+ if (a < qeIcx) {
+ d = 1 ^ cx_mps;
+ if (qeTableIcx.switchFlag === 1) {
+ cx_mps = d;
+ }
+ cx_index = qeTableIcx.nlps;
+ } else {
+ d = cx_mps;
+ cx_index = qeTableIcx.nmps;
+ }
+ }
+ // C.3.3 renormD;
+ do {
+ if (this.ct === 0) {
+ this.byteIn();
+ }
+
+ a <<= 1;
+ this.chigh = ((this.chigh << 1) & 0xFFFF) | ((this.clow >> 15) & 1);
+ this.clow = (this.clow << 1) & 0xFFFF;
+ this.ct--;
+ } while ((a & 0x8000) === 0);
+ this.a = a;
+
+ contexts[pos] = cx_index << 1 | cx_mps;
+ return d;
+ }
+ };
+
+ return ArithmeticDecoder;
+})();
+
+exports.ArithmeticDecoder = ArithmeticDecoder;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsCoreBidi = {}));
+ }
+}(this, function (exports) {
+
+ // Character types for symbols from 0000 to 00FF.
+ var baseTypes = [
+ 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'S', 'B', 'S', 'WS',
+ 'B', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN',
+ 'BN', 'BN', 'B', 'B', 'B', 'S', 'WS', 'ON', 'ON', 'ET', 'ET', 'ET', 'ON',
+ 'ON', 'ON', 'ON', 'ON', 'ON', 'CS', 'ON', 'CS', 'ON', 'EN', 'EN', 'EN',
+ 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'ON', 'ON', 'ON', 'ON', 'ON',
+ 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
+ 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'ON', 'ON',
+ 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
+ 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
+ 'L', 'ON', 'ON', 'ON', 'ON', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'B', 'BN',
+ 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN',
+ 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN',
+ 'BN', 'CS', 'ON', 'ET', 'ET', 'ET', 'ET', 'ON', 'ON', 'ON', 'ON', 'L', 'ON',
+ 'ON', 'ON', 'ON', 'ON', 'ET', 'ET', 'EN', 'EN', 'ON', 'L', 'ON', 'ON', 'ON',
+ 'EN', 'L', 'ON', 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
+ 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
+ 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
+ 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L',
+ 'L', 'L', 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L'
+ ];
+
+ // Character types for symbols from 0600 to 06FF
+ var arabicTypes = [
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'CS', 'AL', 'ON', 'ON', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM',
+ 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN',
+ 'AN', 'ET', 'AN', 'AN', 'AL', 'AL', 'AL', 'NSM', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM',
+ 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'ON', 'NSM',
+ 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL',
+ 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL'
+ ];
+
+ function isOdd(i) {
+ return (i & 1) !== 0;
+ }
+
+ function isEven(i) {
+ return (i & 1) === 0;
+ }
+
+ function findUnequal(arr, start, value) {
+ for (var j = start, jj = arr.length; j < jj; ++j) {
+ if (arr[j] !== value) {
+ return j;
+ }
+ }
+ return j;
+ }
+
+ function setValues(arr, start, end, value) {
+ for (var j = start; j < end; ++j) {
+ arr[j] = value;
+ }
+ }
+
+ function reverseValues(arr, start, end) {
+ for (var i = start, j = end - 1; i < j; ++i, --j) {
+ var temp = arr[i];
+ arr[i] = arr[j];
+ arr[j] = temp;
+ }
+ }
+
+ function createBidiText(str, isLTR, vertical) {
+ return {
+ str: str,
+ dir: (vertical ? 'ttb' : (isLTR ? 'ltr' : 'rtl'))
+ };
+ }
+
+ // These are used in bidi(), which is called frequently. We re-use them on
+ // each call to avoid unnecessary allocations.
+ var chars = [];
+ var types = [];
+
+ function bidi(str, startLevel, vertical) {
+ var isLTR = true;
+ var strLength = str.length;
+ if (strLength === 0 || vertical) {
+ return createBidiText(str, isLTR, vertical);
+ }
+
+ // Get types and fill arrays
+ chars.length = strLength;
+ types.length = strLength;
+ var numBidi = 0;
+
+ var i, ii;
+ for (i = 0; i < strLength; ++i) {
+ chars[i] = str.charAt(i);
+
+ var charCode = str.charCodeAt(i);
+ var charType = 'L';
+ if (charCode <= 0x00ff) {
+ charType = baseTypes[charCode];
+ } else if (0x0590 <= charCode && charCode <= 0x05f4) {
+ charType = 'R';
+ } else if (0x0600 <= charCode && charCode <= 0x06ff) {
+ charType = arabicTypes[charCode & 0xff];
+ } else if (0x0700 <= charCode && charCode <= 0x08AC) {
+ charType = 'AL';
+ }
+ if (charType === 'R' || charType === 'AL' || charType === 'AN') {
+ numBidi++;
+ }
+ types[i] = charType;
+ }
+
+ // Detect the bidi method
+ // - If there are no rtl characters then no bidi needed
+ // - If less than 30% chars are rtl then string is primarily ltr
+ // - If more than 30% chars are rtl then string is primarily rtl
+ if (numBidi === 0) {
+ isLTR = true;
+ return createBidiText(str, isLTR);
+ }
+
+ if (startLevel === -1) {
+ if ((strLength / numBidi) < 0.3) {
+ isLTR = true;
+ startLevel = 0;
+ } else {
+ isLTR = false;
+ startLevel = 1;
+ }
+ }
+
+ var levels = [];
+ for (i = 0; i < strLength; ++i) {
+ levels[i] = startLevel;
+ }
+
+ /*
+ X1-X10: skip most of this, since we are NOT doing the embeddings.
+ */
+ var e = (isOdd(startLevel) ? 'R' : 'L');
+ var sor = e;
+ var eor = sor;
+
+ /*
+ W1. Examine each non-spacing mark (NSM) in the level run, and change the
+ type of the NSM to the type of the previous character. If the NSM is at the
+ start of the level run, it will get the type of sor.
+ */
+ var lastType = sor;
+ for (i = 0; i < strLength; ++i) {
+ if (types[i] === 'NSM') {
+ types[i] = lastType;
+ } else {
+ lastType = types[i];
+ }
+ }
+
+ /*
+ W2. Search backwards from each instance of a European number until the
+ first strong type (R, L, AL, or sor) is found. If an AL is found, change
+ the type of the European number to Arabic number.
+ */
+ lastType = sor;
+ var t;
+ for (i = 0; i < strLength; ++i) {
+ t = types[i];
+ if (t === 'EN') {
+ types[i] = (lastType === 'AL') ? 'AN' : 'EN';
+ } else if (t === 'R' || t === 'L' || t === 'AL') {
+ lastType = t;
+ }
+ }
+
+ /*
+ W3. Change all ALs to R.
+ */
+ for (i = 0; i < strLength; ++i) {
+ t = types[i];
+ if (t === 'AL') {
+ types[i] = 'R';
+ }
+ }
+
+ /*
+ W4. A single European separator between two European numbers changes to a
+ European number. A single common separator between two numbers of the same
+ type changes to that type:
+ */
+ for (i = 1; i < strLength - 1; ++i) {
+ if (types[i] === 'ES' && types[i - 1] === 'EN' && types[i + 1] === 'EN') {
+ types[i] = 'EN';
+ }
+ if (types[i] === 'CS' &&
+ (types[i - 1] === 'EN' || types[i - 1] === 'AN') &&
+ types[i + 1] === types[i - 1]) {
+ types[i] = types[i - 1];
+ }
+ }
+
+ /*
+ W5. A sequence of European terminators adjacent to European numbers changes
+ to all European numbers:
+ */
+ for (i = 0; i < strLength; ++i) {
+ if (types[i] === 'EN') {
+ // do before
+ var j;
+ for (j = i - 1; j >= 0; --j) {
+ if (types[j] !== 'ET') {
+ break;
+ }
+ types[j] = 'EN';
+ }
+ // do after
+ for (j = i + 1; j < strLength; ++j) {
+ if (types[j] !== 'ET') {
+ break;
+ }
+ types[j] = 'EN';
+ }
+ }
+ }
+
+ /*
+ W6. Otherwise, separators and terminators change to Other Neutral:
+ */
+ for (i = 0; i < strLength; ++i) {
+ t = types[i];
+ if (t === 'WS' || t === 'ES' || t === 'ET' || t === 'CS') {
+ types[i] = 'ON';
+ }
+ }
+
+ /*
+ W7. Search backwards from each instance of a European number until the
+ first strong type (R, L, or sor) is found. If an L is found, then change
+ the type of the European number to L.
+ */
+ lastType = sor;
+ for (i = 0; i < strLength; ++i) {
+ t = types[i];
+ if (t === 'EN') {
+ types[i] = ((lastType === 'L') ? 'L' : 'EN');
+ } else if (t === 'R' || t === 'L') {
+ lastType = t;
+ }
+ }
+
+ /*
+ N1. A sequence of neutrals takes the direction of the surrounding strong
+ text if the text on both sides has the same direction. European and Arabic
+ numbers are treated as though they were R. Start-of-level-run (sor) and
+ end-of-level-run (eor) are used at level run boundaries.
+ */
+ for (i = 0; i < strLength; ++i) {
+ if (types[i] === 'ON') {
+ var end = findUnequal(types, i + 1, 'ON');
+ var before = sor;
+ if (i > 0) {
+ before = types[i - 1];
+ }
+
+ var after = eor;
+ if (end + 1 < strLength) {
+ after = types[end + 1];
+ }
+ if (before !== 'L') {
+ before = 'R';
+ }
+ if (after !== 'L') {
+ after = 'R';
+ }
+ if (before === after) {
+ setValues(types, i, end, before);
+ }
+ i = end - 1; // reset to end (-1 so next iteration is ok)
+ }
+ }
+
+ /*
+ N2. Any remaining neutrals take the embedding direction.
+ */
+ for (i = 0; i < strLength; ++i) {
+ if (types[i] === 'ON') {
+ types[i] = e;
+ }
+ }
+
+ /*
+ I1. For all characters with an even (left-to-right) embedding direction,
+ those of type R go up one level and those of type AN or EN go up two
+ levels.
+ I2. For all characters with an odd (right-to-left) embedding direction,
+ those of type L, EN or AN go up one level.
+ */
+ for (i = 0; i < strLength; ++i) {
+ t = types[i];
+ if (isEven(levels[i])) {
+ if (t === 'R') {
+ levels[i] += 1;
+ } else if (t === 'AN' || t === 'EN') {
+ levels[i] += 2;
+ }
+ } else { // isOdd
+ if (t === 'L' || t === 'AN' || t === 'EN') {
+ levels[i] += 1;
+ }
+ }
+ }
+
+ /*
+ L1. On each line, reset the embedding level of the following characters to
+ the paragraph embedding level:
+
+ segment separators,
+ paragraph separators,
+ any sequence of whitespace characters preceding a segment separator or
+ paragraph separator, and any sequence of white space characters at the end
+ of the line.
+ */
+
+ // don't bother as text is only single line
+
+ /*
+ L2. From the highest level found in the text to the lowest odd level on
+ each line, reverse any contiguous sequence of characters that are at that
+ level or higher.
+ */
+
+ // find highest level & lowest odd level
+ var highestLevel = -1;
+ var lowestOddLevel = 99;
+ var level;
+ for (i = 0, ii = levels.length; i < ii; ++i) {
+ level = levels[i];
+ if (highestLevel < level) {
+ highestLevel = level;
+ }
+ if (lowestOddLevel > level && isOdd(level)) {
+ lowestOddLevel = level;
+ }
+ }
+
+ // now reverse between those limits
+ for (level = highestLevel; level >= lowestOddLevel; --level) {
+ // find segments to reverse
+ var start = -1;
+ for (i = 0, ii = levels.length; i < ii; ++i) {
+ if (levels[i] < level) {
+ if (start >= 0) {
+ reverseValues(chars, start, i);
+ start = -1;
+ }
+ } else if (start < 0) {
+ start = i;
+ }
+ }
+ if (start >= 0) {
+ reverseValues(chars, start, levels.length);
+ }
+ }
+
+ /*
+ L3. Combining marks applied to a right-to-left base character will at this
+ point precede their base character. If the rendering engine expects them to
+ follow the base characters in the final display process, then the ordering
+ of the marks and the base character must be reversed.
+ */
+
+ // don't bother for now
+
+ /*
+ L4. A character that possesses the mirrored property as specified by
+ Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved
+ directionality of that character is R.
+ */
+
+ // don't mirror as characters are already mirrored in the pdf
+
+ // Finally, return string
+ for (i = 0, ii = chars.length; i < ii; ++i) {
+ var ch = chars[i];
+ if (ch === '<' || ch === '>') {
+ chars[i] = '';
+ }
+ }
+ return createBidiText(chars.join(''), isLTR);
+ }
+
+exports.bidi = bidi;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsCoreCharsets = {}));
+ }
+}(this, function (exports) {
+
+var ISOAdobeCharset = [
+ '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar',
+ 'percent', 'ampersand', 'quoteright', 'parenleft', 'parenright',
+ 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero',
+ 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight',
+ 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', 'question',
+ 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
+ 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
+ 'bracketleft', 'backslash', 'bracketright', 'asciicircum', 'underscore',
+ 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
+ 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+ 'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent',
+ 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency',
+ 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft',
+ 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl',
+ 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase',
+ 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis',
+ 'perthousand', 'questiondown', 'grave', 'acute', 'circumflex', 'tilde',
+ 'macron', 'breve', 'dotaccent', 'dieresis', 'ring', 'cedilla',
+ 'hungarumlaut', 'ogonek', 'caron', 'emdash', 'AE', 'ordfeminine',
+ 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', 'dotlessi', 'lslash',
+ 'oslash', 'oe', 'germandbls', 'onesuperior', 'logicalnot', 'mu',
+ 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', 'onequarter',
+ 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', 'twosuperior',
+ 'registered', 'minus', 'eth', 'multiply', 'threesuperior', 'copyright',
+ 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', 'Atilde',
+ 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', 'Iacute',
+ 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', 'Ocircumflex',
+ 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', 'Ucircumflex',
+ 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', 'aacute',
+ 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla',
+ 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex',
+ 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', 'odieresis',
+ 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis',
+ 'ugrave', 'yacute', 'ydieresis', 'zcaron'
+];
+
+var ExpertCharset = [
+ '.notdef', 'space', 'exclamsmall', 'Hungarumlautsmall', 'dollaroldstyle',
+ 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior',
+ 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma',
+ 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle',
+ 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle',
+ 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle',
+ 'colon', 'semicolon', 'commasuperior', 'threequartersemdash',
+ 'periodsuperior', 'questionsmall', 'asuperior', 'bsuperior',
+ 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior',
+ 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior',
+ 'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior',
+ 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall',
+ 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall',
+ 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall',
+ 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall',
+ 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary',
+ 'onefitted', 'rupiah', 'Tildesmall', 'exclamdownsmall', 'centoldstyle',
+ 'Lslashsmall', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall',
+ 'Brevesmall', 'Caronsmall', 'Dotaccentsmall', 'Macronsmall',
+ 'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall',
+ 'Cedillasmall', 'onequarter', 'onehalf', 'threequarters',
+ 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths',
+ 'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior',
+ 'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior',
+ 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior',
+ 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior',
+ 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior',
+ 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior',
+ 'periodinferior', 'commainferior', 'Agravesmall', 'Aacutesmall',
+ 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall',
+ 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall',
+ 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall',
+ 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall',
+ 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall',
+ 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall',
+ 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall',
+ 'Ydieresissmall'
+];
+
+var ExpertSubsetCharset = [
+ '.notdef', 'space', 'dollaroldstyle', 'dollarsuperior',
+ 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader',
+ 'onedotenleader', 'comma', 'hyphen', 'period', 'fraction',
+ 'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle',
+ 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle',
+ 'eightoldstyle', 'nineoldstyle', 'colon', 'semicolon', 'commasuperior',
+ 'threequartersemdash', 'periodsuperior', 'asuperior', 'bsuperior',
+ 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior',
+ 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior',
+ 'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior',
+ 'parenrightinferior', 'hyphensuperior', 'colonmonetary', 'onefitted',
+ 'rupiah', 'centoldstyle', 'figuredash', 'hypheninferior', 'onequarter',
+ 'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths',
+ 'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior',
+ 'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior',
+ 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior',
+ 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior',
+ 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior',
+ 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior',
+ 'periodinferior', 'commainferior'
+];
+
+exports.ISOAdobeCharset = ISOAdobeCharset;
+exports.ExpertCharset = ExpertCharset;
+exports.ExpertSubsetCharset = ExpertSubsetCharset;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsCoreEncodings = {}));
+ }
+}(this, function (exports) {
+
+ var ExpertEncoding = [
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ 'space', 'exclamsmall', 'Hungarumlautsmall', '', 'dollaroldstyle',
+ 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior',
+ 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma',
+ 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle',
+ 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle',
+ 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'colon',
+ 'semicolon', 'commasuperior', 'threequartersemdash', 'periodsuperior',
+ 'questionsmall', '', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior',
+ 'esuperior', '', '', 'isuperior', '', '', 'lsuperior', 'msuperior',
+ 'nsuperior', 'osuperior', '', '', 'rsuperior', 'ssuperior', 'tsuperior',
+ '', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '',
+ 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall',
+ 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall',
+ 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall',
+ 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall',
+ 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary',
+ 'onefitted', 'rupiah', 'Tildesmall', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall',
+ '', '', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall',
+ 'Caronsmall', '', 'Dotaccentsmall', '', '', 'Macronsmall', '', '',
+ 'figuredash', 'hypheninferior', '', '', 'Ogoneksmall', 'Ringsmall',
+ 'Cedillasmall', '', '', '', 'onequarter', 'onehalf', 'threequarters',
+ 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths',
+ 'seveneighths', 'onethird', 'twothirds', '', '', 'zerosuperior',
+ 'onesuperior', 'twosuperior', 'threesuperior', 'foursuperior',
+ 'fivesuperior', 'sixsuperior', 'sevensuperior', 'eightsuperior',
+ 'ninesuperior', 'zeroinferior', 'oneinferior', 'twoinferior',
+ 'threeinferior', 'fourinferior', 'fiveinferior', 'sixinferior',
+ 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior',
+ 'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall',
+ 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall',
+ 'Aringsmall', 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall',
+ 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall',
+ 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall',
+ 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall',
+ 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall',
+ 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall',
+ 'Ydieresissmall'];
+
+ var MacExpertEncoding = [
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ 'space', 'exclamsmall', 'Hungarumlautsmall', 'centoldstyle',
+ 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', 'Acutesmall',
+ 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader',
+ 'onedotenleader', 'comma', 'hyphen', 'period', 'fraction', 'zerooldstyle',
+ 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle',
+ 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle',
+ 'nineoldstyle', 'colon', 'semicolon', '', 'threequartersemdash', '',
+ 'questionsmall', '', '', '', '', 'Ethsmall', '', '', 'onequarter',
+ 'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths',
+ 'seveneighths', 'onethird', 'twothirds', '', '', '', '', '', '', 'ff',
+ 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '', 'parenrightinferior',
+ 'Circumflexsmall', 'hypheninferior', 'Gravesmall', 'Asmall', 'Bsmall',
+ 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall',
+ 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall',
+ 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall',
+ 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah',
+ 'Tildesmall', '', '', 'asuperior', 'centsuperior', '', '', '', '',
+ 'Aacutesmall', 'Agravesmall', 'Acircumflexsmall', 'Adieresissmall',
+ 'Atildesmall', 'Aringsmall', 'Ccedillasmall', 'Eacutesmall', 'Egravesmall',
+ 'Ecircumflexsmall', 'Edieresissmall', 'Iacutesmall', 'Igravesmall',
+ 'Icircumflexsmall', 'Idieresissmall', 'Ntildesmall', 'Oacutesmall',
+ 'Ogravesmall', 'Ocircumflexsmall', 'Odieresissmall', 'Otildesmall',
+ 'Uacutesmall', 'Ugravesmall', 'Ucircumflexsmall', 'Udieresissmall', '',
+ 'eightsuperior', 'fourinferior', 'threeinferior', 'sixinferior',
+ 'eightinferior', 'seveninferior', 'Scaronsmall', '', 'centinferior',
+ 'twoinferior', '', 'Dieresissmall', '', 'Caronsmall', 'osuperior',
+ 'fiveinferior', '', 'commainferior', 'periodinferior', 'Yacutesmall', '',
+ 'dollarinferior', '', 'Thornsmall', '', 'nineinferior', 'zeroinferior',
+ 'Zcaronsmall', 'AEsmall', 'Oslashsmall', 'questiondownsmall',
+ 'oneinferior', 'Lslashsmall', '', '', '', '', '', '', 'Cedillasmall', '',
+ '', '', '', '', 'OEsmall', 'figuredash', 'hyphensuperior', '', '', '', '',
+ 'exclamdownsmall', '', 'Ydieresissmall', '', 'onesuperior', 'twosuperior',
+ 'threesuperior', 'foursuperior', 'fivesuperior', 'sixsuperior',
+ 'sevensuperior', 'ninesuperior', 'zerosuperior', '', 'esuperior',
+ 'rsuperior', 'tsuperior', '', '', 'isuperior', 'ssuperior', 'dsuperior',
+ '', '', '', '', '', 'lsuperior', 'Ogoneksmall', 'Brevesmall',
+ 'Macronsmall', 'bsuperior', 'nsuperior', 'msuperior', 'commasuperior',
+ 'periodsuperior', 'Dotaccentsmall', 'Ringsmall'];
+
+ var MacRomanEncoding = [
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent',
+ 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus',
+ 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three',
+ 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon',
+ 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F',
+ 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U',
+ 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright',
+ 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
+ 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+ 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', '',
+ 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', 'Odieresis',
+ 'Udieresis', 'aacute', 'agrave', 'acircumflex', 'adieresis', 'atilde',
+ 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis',
+ 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute',
+ 'ograve', 'ocircumflex', 'odieresis', 'otilde', 'uacute', 'ugrave',
+ 'ucircumflex', 'udieresis', 'dagger', 'degree', 'cent', 'sterling',
+ 'section', 'bullet', 'paragraph', 'germandbls', 'registered', 'copyright',
+ 'trademark', 'acute', 'dieresis', 'notequal', 'AE', 'Oslash', 'infinity',
+ 'plusminus', 'lessequal', 'greaterequal', 'yen', 'mu', 'partialdiff',
+ 'summation', 'product', 'pi', 'integral', 'ordfeminine', 'ordmasculine',
+ 'Omega', 'ae', 'oslash', 'questiondown', 'exclamdown', 'logicalnot',
+ 'radical', 'florin', 'approxequal', 'Delta', 'guillemotleft',
+ 'guillemotright', 'ellipsis', 'space', 'Agrave', 'Atilde', 'Otilde', 'OE',
+ 'oe', 'endash', 'emdash', 'quotedblleft', 'quotedblright', 'quoteleft',
+ 'quoteright', 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction',
+ 'currency', 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl',
+ 'periodcentered', 'quotesinglbase', 'quotedblbase', 'perthousand',
+ 'Acircumflex', 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute',
+ 'Icircumflex', 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple',
+ 'Ograve', 'Uacute', 'Ucircumflex', 'Ugrave', 'dotlessi', 'circumflex',
+ 'tilde', 'macron', 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut',
+ 'ogonek', 'caron'];
+
+ var StandardEncoding = [
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent',
+ 'ampersand', 'quoteright', 'parenleft', 'parenright', 'asterisk', 'plus',
+ 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three',
+ 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon',
+ 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F',
+ 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U',
+ 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright',
+ 'asciicircum', 'underscore', 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f',
+ 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u',
+ 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', 'exclamdown',
+ 'cent', 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency',
+ 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft',
+ 'guilsinglright', 'fi', 'fl', '', 'endash', 'dagger', 'daggerdbl',
+ 'periodcentered', '', 'paragraph', 'bullet', 'quotesinglbase',
+ 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis',
+ 'perthousand', '', 'questiondown', '', 'grave', 'acute', 'circumflex',
+ 'tilde', 'macron', 'breve', 'dotaccent', 'dieresis', '', 'ring', 'cedilla',
+ '', 'hungarumlaut', 'ogonek', 'caron', 'emdash', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', 'AE', '', 'ordfeminine', '', '',
+ '', '', 'Lslash', 'Oslash', 'OE', 'ordmasculine', '', '', '', '', '', 'ae',
+ '', '', '', 'dotlessi', '', '', 'lslash', 'oslash', 'oe', 'germandbls'];
+
+ var WinAnsiEncoding = [
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent',
+ 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus',
+ 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three',
+ 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon',
+ 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F',
+ 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U',
+ 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright',
+ 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
+ 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+ 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde',
+ 'bullet', 'Euro', 'bullet', 'quotesinglbase', 'florin', 'quotedblbase',
+ 'ellipsis', 'dagger', 'daggerdbl', 'circumflex', 'perthousand', 'Scaron',
+ 'guilsinglleft', 'OE', 'bullet', 'Zcaron', 'bullet', 'bullet', 'quoteleft',
+ 'quoteright', 'quotedblleft', 'quotedblright', 'bullet', 'endash',
+ 'emdash', 'tilde', 'trademark', 'scaron', 'guilsinglright', 'oe', 'bullet',
+ 'zcaron', 'Ydieresis', 'space', 'exclamdown', 'cent', 'sterling',
+ 'currency', 'yen', 'brokenbar', 'section', 'dieresis', 'copyright',
+ 'ordfeminine', 'guillemotleft', 'logicalnot', 'hyphen', 'registered',
+ 'macron', 'degree', 'plusminus', 'twosuperior', 'threesuperior', 'acute',
+ 'mu', 'paragraph', 'periodcentered', 'cedilla', 'onesuperior',
+ 'ordmasculine', 'guillemotright', 'onequarter', 'onehalf', 'threequarters',
+ 'questiondown', 'Agrave', 'Aacute', 'Acircumflex', 'Atilde', 'Adieresis',
+ 'Aring', 'AE', 'Ccedilla', 'Egrave', 'Eacute', 'Ecircumflex', 'Edieresis',
+ 'Igrave', 'Iacute', 'Icircumflex', 'Idieresis', 'Eth', 'Ntilde', 'Ograve',
+ 'Oacute', 'Ocircumflex', 'Otilde', 'Odieresis', 'multiply', 'Oslash',
+ 'Ugrave', 'Uacute', 'Ucircumflex', 'Udieresis', 'Yacute', 'Thorn',
+ 'germandbls', 'agrave', 'aacute', 'acircumflex', 'atilde', 'adieresis',
+ 'aring', 'ae', 'ccedilla', 'egrave', 'eacute', 'ecircumflex', 'edieresis',
+ 'igrave', 'iacute', 'icircumflex', 'idieresis', 'eth', 'ntilde', 'ograve',
+ 'oacute', 'ocircumflex', 'otilde', 'odieresis', 'divide', 'oslash',
+ 'ugrave', 'uacute', 'ucircumflex', 'udieresis', 'yacute', 'thorn',
+ 'ydieresis'];
+
+ var SymbolSetEncoding = [
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ 'space', 'exclam', 'universal', 'numbersign', 'existential', 'percent',
+ 'ampersand', 'suchthat', 'parenleft', 'parenright', 'asteriskmath', 'plus',
+ 'comma', 'minus', 'period', 'slash', 'zero', 'one', 'two', 'three', 'four',
+ 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less',
+ 'equal', 'greater', 'question', 'congruent', 'Alpha', 'Beta', 'Chi',
+ 'Delta', 'Epsilon', 'Phi', 'Gamma', 'Eta', 'Iota', 'theta1', 'Kappa',
+ 'Lambda', 'Mu', 'Nu', 'Omicron', 'Pi', 'Theta', 'Rho', 'Sigma', 'Tau',
+ 'Upsilon', 'sigma1', 'Omega', 'Xi', 'Psi', 'Zeta', 'bracketleft',
+ 'therefore', 'bracketright', 'perpendicular', 'underscore', 'radicalex',
+ 'alpha', 'beta', 'chi', 'delta', 'epsilon', 'phi', 'gamma', 'eta', 'iota',
+ 'phi1', 'kappa', 'lambda', 'mu', 'nu', 'omicron', 'pi', 'theta', 'rho',
+ 'sigma', 'tau', 'upsilon', 'omega1', 'omega', 'xi', 'psi', 'zeta',
+ 'braceleft', 'bar', 'braceright', 'similar', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', 'Euro', 'Upsilon1', 'minute', 'lessequal',
+ 'fraction', 'infinity', 'florin', 'club', 'diamond', 'heart', 'spade',
+ 'arrowboth', 'arrowleft', 'arrowup', 'arrowright', 'arrowdown', 'degree',
+ 'plusminus', 'second', 'greaterequal', 'multiply', 'proportional',
+ 'partialdiff', 'bullet', 'divide', 'notequal', 'equivalence',
+ 'approxequal', 'ellipsis', 'arrowvertex', 'arrowhorizex', 'carriagereturn',
+ 'aleph', 'Ifraktur', 'Rfraktur', 'weierstrass', 'circlemultiply',
+ 'circleplus', 'emptyset', 'intersection', 'union', 'propersuperset',
+ 'reflexsuperset', 'notsubset', 'propersubset', 'reflexsubset', 'element',
+ 'notelement', 'angle', 'gradient', 'registerserif', 'copyrightserif',
+ 'trademarkserif', 'product', 'radical', 'dotmath', 'logicalnot',
+ 'logicaland', 'logicalor', 'arrowdblboth', 'arrowdblleft', 'arrowdblup',
+ 'arrowdblright', 'arrowdbldown', 'lozenge', 'angleleft', 'registersans',
+ 'copyrightsans', 'trademarksans', 'summation', 'parenlefttp',
+ 'parenleftex', 'parenleftbt', 'bracketlefttp', 'bracketleftex',
+ 'bracketleftbt', 'bracelefttp', 'braceleftmid', 'braceleftbt', 'braceex',
+ '', 'angleright', 'integral', 'integraltp', 'integralex', 'integralbt',
+ 'parenrighttp', 'parenrightex', 'parenrightbt', 'bracketrighttp',
+ 'bracketrightex', 'bracketrightbt', 'bracerighttp', 'bracerightmid',
+ 'bracerightbt'];
+
+ var ZapfDingbatsEncoding = [
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
+ 'space', 'a1', 'a2', 'a202', 'a3', 'a4', 'a5', 'a119', 'a118', 'a117',
+ 'a11', 'a12', 'a13', 'a14', 'a15', 'a16', 'a105', 'a17', 'a18', 'a19',
+ 'a20', 'a21', 'a22', 'a23', 'a24', 'a25', 'a26', 'a27', 'a28', 'a6', 'a7',
+ 'a8', 'a9', 'a10', 'a29', 'a30', 'a31', 'a32', 'a33', 'a34', 'a35', 'a36',
+ 'a37', 'a38', 'a39', 'a40', 'a41', 'a42', 'a43', 'a44', 'a45', 'a46',
+ 'a47', 'a48', 'a49', 'a50', 'a51', 'a52', 'a53', 'a54', 'a55', 'a56',
+ 'a57', 'a58', 'a59', 'a60', 'a61', 'a62', 'a63', 'a64', 'a65', 'a66',
+ 'a67', 'a68', 'a69', 'a70', 'a71', 'a72', 'a73', 'a74', 'a203', 'a75',
+ 'a204', 'a76', 'a77', 'a78', 'a79', 'a81', 'a82', 'a83', 'a84', 'a97',
+ 'a98', 'a99', 'a100', '', 'a89', 'a90', 'a93', 'a94', 'a91', 'a92', 'a205',
+ 'a85', 'a206', 'a86', 'a87', 'a88', 'a95', 'a96', '', '', '', '', '', '',
+ '', '', '', '', '', '', '', '', '', '', '', '', '', 'a101', 'a102', 'a103',
+ 'a104', 'a106', 'a107', 'a108', 'a112', 'a111', 'a110', 'a109', 'a120',
+ 'a121', 'a122', 'a123', 'a124', 'a125', 'a126', 'a127', 'a128', 'a129',
+ 'a130', 'a131', 'a132', 'a133', 'a134', 'a135', 'a136', 'a137', 'a138',
+ 'a139', 'a140', 'a141', 'a142', 'a143', 'a144', 'a145', 'a146', 'a147',
+ 'a148', 'a149', 'a150', 'a151', 'a152', 'a153', 'a154', 'a155', 'a156',
+ 'a157', 'a158', 'a159', 'a160', 'a161', 'a163', 'a164', 'a196', 'a165',
+ 'a192', 'a166', 'a167', 'a168', 'a169', 'a170', 'a171', 'a172', 'a173',
+ 'a162', 'a174', 'a175', 'a176', 'a177', 'a178', 'a179', 'a193', 'a180',
+ 'a199', 'a181', 'a200', 'a182', '', 'a201', 'a183', 'a184', 'a197', 'a185',
+ 'a194', 'a198', 'a186', 'a195', 'a187', 'a188', 'a189', 'a190', 'a191'];
+
+ function getEncoding(encodingName) {
+ switch (encodingName) {
+ case 'WinAnsiEncoding':
+ return WinAnsiEncoding;
+ case 'StandardEncoding':
+ return StandardEncoding;
+ case 'MacRomanEncoding':
+ return MacRomanEncoding;
+ case 'SymbolSetEncoding':
+ return SymbolSetEncoding;
+ case 'ZapfDingbatsEncoding':
+ return ZapfDingbatsEncoding;
+ case 'ExpertEncoding':
+ return ExpertEncoding;
+ case 'MacExpertEncoding':
+ return MacExpertEncoding;
+ default:
+ return null;
+ }
+ }
+
+ exports.WinAnsiEncoding = WinAnsiEncoding;
+ exports.StandardEncoding = StandardEncoding;
+ exports.MacRomanEncoding = MacRomanEncoding;
+ exports.SymbolSetEncoding = SymbolSetEncoding;
+ exports.ZapfDingbatsEncoding = ZapfDingbatsEncoding;
+ exports.ExpertEncoding = ExpertEncoding;
+ exports.getEncoding = getEncoding;
+}));
+
+
+(function (root, factory) {
+ {
+ factory((root.pdfjsSharedUtil = {}));
+ }
+}(this, function (exports) {
+
+var globalScope = (typeof window !== 'undefined') ? window :
+ (typeof global !== 'undefined') ? global :
+ (typeof self !== 'undefined') ? self : this;
+
+var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+
+var TextRenderingMode = {
+ FILL: 0,
+ STROKE: 1,
+ FILL_STROKE: 2,
+ INVISIBLE: 3,
+ FILL_ADD_TO_PATH: 4,
+ STROKE_ADD_TO_PATH: 5,
+ FILL_STROKE_ADD_TO_PATH: 6,
+ ADD_TO_PATH: 7,
+ FILL_STROKE_MASK: 3,
+ ADD_TO_PATH_FLAG: 4
+};
+
+var ImageKind = {
+ GRAYSCALE_1BPP: 1,
+ RGB_24BPP: 2,
+ RGBA_32BPP: 3
+};
+
+var AnnotationType = {
+ TEXT: 1,
+ LINK: 2,
+ FREETEXT: 3,
+ LINE: 4,
+ SQUARE: 5,
+ CIRCLE: 6,
+ POLYGON: 7,
+ POLYLINE: 8,
+ HIGHLIGHT: 9,
+ UNDERLINE: 10,
+ SQUIGGLY: 11,
+ STRIKEOUT: 12,
+ STAMP: 13,
+ CARET: 14,
+ INK: 15,
+ POPUP: 16,
+ FILEATTACHMENT: 17,
+ SOUND: 18,
+ MOVIE: 19,
+ WIDGET: 20,
+ SCREEN: 21,
+ PRINTERMARK: 22,
+ TRAPNET: 23,
+ WATERMARK: 24,
+ THREED: 25,
+ REDACT: 26
+};
+
+var AnnotationFlag = {
+ INVISIBLE: 0x01,
+ HIDDEN: 0x02,
+ PRINT: 0x04,
+ NOZOOM: 0x08,
+ NOROTATE: 0x10,
+ NOVIEW: 0x20,
+ READONLY: 0x40,
+ LOCKED: 0x80,
+ TOGGLENOVIEW: 0x100,
+ LOCKEDCONTENTS: 0x200
+};
+
+var AnnotationFieldFlag = {
+ READONLY: 0x0000001,
+ REQUIRED: 0x0000002,
+ NOEXPORT: 0x0000004,
+ MULTILINE: 0x0001000,
+ PASSWORD: 0x0002000,
+ NOTOGGLETOOFF: 0x0004000,
+ RADIO: 0x0008000,
+ PUSHBUTTON: 0x0010000,
+ COMBO: 0x0020000,
+ EDIT: 0x0040000,
+ SORT: 0x0080000,
+ FILESELECT: 0x0100000,
+ MULTISELECT: 0x0200000,
+ DONOTSPELLCHECK: 0x0400000,
+ DONOTSCROLL: 0x0800000,
+ COMB: 0x1000000,
+ RICHTEXT: 0x2000000,
+ RADIOSINUNISON: 0x2000000,
+ COMMITONSELCHANGE: 0x4000000,
+};
+
+var AnnotationBorderStyleType = {
+ SOLID: 1,
+ DASHED: 2,
+ BEVELED: 3,
+ INSET: 4,
+ UNDERLINE: 5
+};
+
+var StreamType = {
+ UNKNOWN: 0,
+ FLATE: 1,
+ LZW: 2,
+ DCT: 3,
+ JPX: 4,
+ JBIG: 5,
+ A85: 6,
+ AHX: 7,
+ CCF: 8,
+ RL: 9
+};
+
+var FontType = {
+ UNKNOWN: 0,
+ TYPE1: 1,
+ TYPE1C: 2,
+ CIDFONTTYPE0: 3,
+ CIDFONTTYPE0C: 4,
+ TRUETYPE: 5,
+ CIDFONTTYPE2: 6,
+ TYPE3: 7,
+ OPENTYPE: 8,
+ TYPE0: 9,
+ MMTYPE1: 10
+};
+
+var VERBOSITY_LEVELS = {
+ errors: 0,
+ warnings: 1,
+ infos: 5
+};
+
+// All the possible operations for an operator list.
+var OPS = {
+ // Intentionally start from 1 so it is easy to spot bad operators that will be
+ // 0's.
+ dependency: 1,
+ setLineWidth: 2,
+ setLineCap: 3,
+ setLineJoin: 4,
+ setMiterLimit: 5,
+ setDash: 6,
+ setRenderingIntent: 7,
+ setFlatness: 8,
+ setGState: 9,
+ save: 10,
+ restore: 11,
+ transform: 12,
+ moveTo: 13,
+ lineTo: 14,
+ curveTo: 15,
+ curveTo2: 16,
+ curveTo3: 17,
+ closePath: 18,
+ rectangle: 19,
+ stroke: 20,
+ closeStroke: 21,
+ fill: 22,
+ eoFill: 23,
+ fillStroke: 24,
+ eoFillStroke: 25,
+ closeFillStroke: 26,
+ closeEOFillStroke: 27,
+ endPath: 28,
+ clip: 29,
+ eoClip: 30,
+ beginText: 31,
+ endText: 32,
+ setCharSpacing: 33,
+ setWordSpacing: 34,
+ setHScale: 35,
+ setLeading: 36,
+ setFont: 37,
+ setTextRenderingMode: 38,
+ setTextRise: 39,
+ moveText: 40,
+ setLeadingMoveText: 41,
+ setTextMatrix: 42,
+ nextLine: 43,
+ showText: 44,
+ showSpacedText: 45,
+ nextLineShowText: 46,
+ nextLineSetSpacingShowText: 47,
+ setCharWidth: 48,
+ setCharWidthAndBounds: 49,
+ setStrokeColorSpace: 50,
+ setFillColorSpace: 51,
+ setStrokeColor: 52,
+ setStrokeColorN: 53,
+ setFillColor: 54,
+ setFillColorN: 55,
+ setStrokeGray: 56,
+ setFillGray: 57,
+ setStrokeRGBColor: 58,
+ setFillRGBColor: 59,
+ setStrokeCMYKColor: 60,
+ setFillCMYKColor: 61,
+ shadingFill: 62,
+ beginInlineImage: 63,
+ beginImageData: 64,
+ endInlineImage: 65,
+ paintXObject: 66,
+ markPoint: 67,
+ markPointProps: 68,
+ beginMarkedContent: 69,
+ beginMarkedContentProps: 70,
+ endMarkedContent: 71,
+ beginCompat: 72,
+ endCompat: 73,
+ paintFormXObjectBegin: 74,
+ paintFormXObjectEnd: 75,
+ beginGroup: 76,
+ endGroup: 77,
+ beginAnnotations: 78,
+ endAnnotations: 79,
+ beginAnnotation: 80,
+ endAnnotation: 81,
+ paintJpegXObject: 82,
+ paintImageMaskXObject: 83,
+ paintImageMaskXObjectGroup: 84,
+ paintImageXObject: 85,
+ paintInlineImageXObject: 86,
+ paintInlineImageXObjectGroup: 87,
+ paintImageXObjectRepeat: 88,
+ paintImageMaskXObjectRepeat: 89,
+ paintSolidColorImageMask: 90,
+ constructPath: 91
+};
+
+var verbosity = VERBOSITY_LEVELS.warnings;
+
+function setVerbosityLevel(level) {
+ verbosity = level;
+}
+
+function getVerbosityLevel() {
+ return verbosity;
+}
+
+// A notice for devs. These are good for things that are helpful to devs, such
+// as warning that Workers were disabled, which is important to devs but not
+// end users.
+function info(msg) {
+ if (verbosity >= VERBOSITY_LEVELS.infos) {
+ console.log('Info: ' + msg);
+ }
+}
+
+// Non-fatal warnings.
+function warn(msg) {
+ if (verbosity >= VERBOSITY_LEVELS.warnings) {
+ console.log('Warning: ' + msg);
+ }
+}
+
+// Deprecated API function -- display regardless of the PDFJS.verbosity setting.
+function deprecated(details) {
+ console.log('Deprecated API usage: ' + details);
+}
+
+// Fatal errors that should trigger the fallback UI and halt execution by
+// throwing an exception.
+function error(msg) {
+ if (verbosity >= VERBOSITY_LEVELS.errors) {
+ console.log('Error: ' + msg);
+ console.log(backtrace());
+ }
+ throw new Error(msg);
+}
+
+function backtrace() {
+ try {
+ throw new Error();
+ } catch (e) {
+ return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
+ }
+}
+
+function assert(cond, msg) {
+ if (!cond) {
+ error(msg);
+ }
+}
+
+var UNSUPPORTED_FEATURES = {
+ unknown: 'unknown',
+ forms: 'forms',
+ javaScript: 'javaScript',
+ smask: 'smask',
+ shadingPattern: 'shadingPattern',
+ font: 'font'
+};
+
+// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.
+function isSameOrigin(baseUrl, otherUrl) {
+ try {
+ var base = new URL(baseUrl);
+ if (!base.origin || base.origin === 'null') {
+ return false; // non-HTTP url
+ }
+ } catch (e) {
+ return false;
+ }
+
+ var other = new URL(otherUrl, base);
+ return base.origin === other.origin;
+}
+
+// Validates if URL is safe and allowed, e.g. to avoid XSS.
+function isValidUrl(url, allowRelative) {
+ if (!url || typeof url !== 'string') {
+ 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;
+ }
+}
+
+function shadow(obj, prop, value) {
+ Object.defineProperty(obj, prop, { value: value,
+ enumerable: true,
+ configurable: true,
+ writable: false });
+ return value;
+}
+
+function getLookupTableFactory(initializer) {
+ var lookup;
+ return function () {
+ if (initializer) {
+ lookup = Object.create(null);
+ initializer(lookup);
+ initializer = null;
+ }
+ return lookup;
+ };
+}
+
+var PasswordResponses = {
+ NEED_PASSWORD: 1,
+ INCORRECT_PASSWORD: 2
+};
+
+var PasswordException = (function PasswordExceptionClosure() {
+ function PasswordException(msg, code) {
+ this.name = 'PasswordException';
+ this.message = msg;
+ this.code = code;
+ }
+
+ PasswordException.prototype = new Error();
+ PasswordException.constructor = PasswordException;
+
+ return PasswordException;
+})();
+
+var UnknownErrorException = (function UnknownErrorExceptionClosure() {
+ function UnknownErrorException(msg, details) {
+ this.name = 'UnknownErrorException';
+ this.message = msg;
+ this.details = details;
+ }
+
+ UnknownErrorException.prototype = new Error();
+ UnknownErrorException.constructor = UnknownErrorException;
+
+ return UnknownErrorException;
+})();
+
+var InvalidPDFException = (function InvalidPDFExceptionClosure() {
+ function InvalidPDFException(msg) {
+ this.name = 'InvalidPDFException';
+ this.message = msg;
+ }
+
+ InvalidPDFException.prototype = new Error();
+ InvalidPDFException.constructor = InvalidPDFException;
+
+ return InvalidPDFException;
+})();
+
+var MissingPDFException = (function MissingPDFExceptionClosure() {
+ function MissingPDFException(msg) {
+ this.name = 'MissingPDFException';
+ this.message = msg;
+ }
+
+ MissingPDFException.prototype = new Error();
+ MissingPDFException.constructor = MissingPDFException;
+
+ return MissingPDFException;
+})();
+
+var UnexpectedResponseException =
+ (function UnexpectedResponseExceptionClosure() {
+ function UnexpectedResponseException(msg, status) {
+ this.name = 'UnexpectedResponseException';
+ this.message = msg;
+ this.status = status;
+ }
+
+ UnexpectedResponseException.prototype = new Error();
+ UnexpectedResponseException.constructor = UnexpectedResponseException;
+
+ return UnexpectedResponseException;
+})();
+
+var NotImplementedException = (function NotImplementedExceptionClosure() {
+ function NotImplementedException(msg) {
+ this.message = msg;
+ }
+
+ NotImplementedException.prototype = new Error();
+ NotImplementedException.prototype.name = 'NotImplementedException';
+ NotImplementedException.constructor = NotImplementedException;
+
+ return NotImplementedException;
+})();
+
+var MissingDataException = (function MissingDataExceptionClosure() {
+ function MissingDataException(begin, end) {
+ this.begin = begin;
+ this.end = end;
+ this.message = 'Missing data [' + begin + ', ' + end + ')';
+ }
+
+ MissingDataException.prototype = new Error();
+ MissingDataException.prototype.name = 'MissingDataException';
+ MissingDataException.constructor = MissingDataException;
+
+ return MissingDataException;
+})();
+
+var XRefParseException = (function XRefParseExceptionClosure() {
+ function XRefParseException(msg) {
+ this.message = msg;
+ }
+
+ XRefParseException.prototype = new Error();
+ XRefParseException.prototype.name = 'XRefParseException';
+ XRefParseException.constructor = XRefParseException;
+
+ return XRefParseException;
+})();
+
+var NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+ if (typeof str !== 'string') {
+ warn('The argument for removeNullCharacters must be a string.');
+ return str;
+ }
+ return str.replace(NullCharactersRegExp, '');
+}
+
+function bytesToString(bytes) {
+ assert(bytes !== null && typeof bytes === 'object' &&
+ bytes.length !== undefined, 'Invalid argument for bytesToString');
+ var length = bytes.length;
+ var MAX_ARGUMENT_COUNT = 8192;
+ if (length < MAX_ARGUMENT_COUNT) {
+ return String.fromCharCode.apply(null, bytes);
+ }
+ var strBuf = [];
+ for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+ var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+ var chunk = bytes.subarray(i, chunkEnd);
+ strBuf.push(String.fromCharCode.apply(null, chunk));
+ }
+ return strBuf.join('');
+}
+
+function stringToBytes(str) {
+ assert(typeof str === 'string', 'Invalid argument for stringToBytes');
+ var length = str.length;
+ var bytes = new Uint8Array(length);
+ for (var i = 0; i < length; ++i) {
+ bytes[i] = str.charCodeAt(i) & 0xFF;
+ }
+ return bytes;
+}
+
+/**
+ * Gets length of the array (Array, Uint8Array, or string) in bytes.
+ * @param {Array|Uint8Array|string} arr
+ * @returns {number}
+ */
+function arrayByteLength(arr) {
+ if (arr.length !== undefined) {
+ return arr.length;
+ }
+ assert(arr.byteLength !== undefined);
+ return arr.byteLength;
+}
+
+/**
+ * Combines array items (arrays) into single Uint8Array object.
+ * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string).
+ * @returns {Uint8Array}
+ */
+function arraysToBytes(arr) {
+ // Shortcut: if first and only item is Uint8Array, return it.
+ if (arr.length === 1 && (arr[0] instanceof Uint8Array)) {
+ return arr[0];
+ }
+ var resultLength = 0;
+ var i, ii = arr.length;
+ var item, itemLength ;
+ for (i = 0; i < ii; i++) {
+ item = arr[i];
+ itemLength = arrayByteLength(item);
+ resultLength += itemLength;
+ }
+ var pos = 0;
+ var data = new Uint8Array(resultLength);
+ for (i = 0; i < ii; i++) {
+ item = arr[i];
+ if (!(item instanceof Uint8Array)) {
+ if (typeof item === 'string') {
+ item = stringToBytes(item);
+ } else {
+ item = new Uint8Array(item);
+ }
+ }
+ itemLength = item.byteLength;
+ data.set(item, pos);
+ pos += itemLength;
+ }
+ return data;
+}
+
+function string32(value) {
+ return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff,
+ (value >> 8) & 0xff, value & 0xff);
+}
+
+function log2(x) {
+ var n = 1, i = 0;
+ while (x > n) {
+ n <<= 1;
+ i++;
+ }
+ return i;
+}
+
+function readInt8(data, start) {
+ return (data[start] << 24) >> 24;
+}
+
+function readUint16(data, offset) {
+ return (data[offset] << 8) | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+ return ((data[offset] << 24) | (data[offset + 1] << 16) |
+ (data[offset + 2] << 8) | data[offset + 3]) >>> 0;
+}
+
+// Lazy test the endianness of the platform
+// NOTE: This will be 'true' for simulated TypedArrays
+function isLittleEndian() {
+ var buffer8 = new Uint8Array(2);
+ buffer8[0] = 1;
+ var buffer16 = new Uint16Array(buffer8.buffer);
+ return (buffer16[0] === 1);
+}
+
+// Checks if it's possible to eval JS expressions.
+function isEvalSupported() {
+ try {
+ /* jshint evil: true */
+ new Function('');
+ return true;
+ } catch (e) {
+ return false;
+ }
+}
+
+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;
+})();
+
+exports.Uint32ArrayView = Uint32ArrayView;
+
+var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+
+var Util = (function UtilClosure() {
+ function Util() {}
+
+ var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];
+
+ // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids
+ // creating many intermediate strings.
+ Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
+ rgbBuf[1] = r;
+ rgbBuf[3] = g;
+ rgbBuf[5] = b;
+ return rgbBuf.join('');
+ };
+
+ // Concatenates two transformation matrices together and returns the result.
+ Util.transform = function Util_transform(m1, m2) {
+ return [
+ m1[0] * m2[0] + m1[2] * m2[1],
+ m1[1] * m2[0] + m1[3] * m2[1],
+ m1[0] * m2[2] + m1[2] * m2[3],
+ m1[1] * m2[2] + m1[3] * m2[3],
+ m1[0] * m2[4] + m1[2] * m2[5] + m1[4],
+ m1[1] * m2[4] + m1[3] * m2[5] + m1[5]
+ ];
+ };
+
+ // For 2d affine transforms
+ Util.applyTransform = function Util_applyTransform(p, m) {
+ var xt = p[0] * m[0] + p[1] * m[2] + m[4];
+ var yt = p[0] * m[1] + p[1] * m[3] + m[5];
+ return [xt, yt];
+ };
+
+ Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
+ var d = m[0] * m[3] - m[1] * m[2];
+ var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+ var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+ return [xt, yt];
+ };
+
+ // Applies the transform to the rectangle and finds the minimum axially
+ // aligned bounding box.
+ Util.getAxialAlignedBoundingBox =
+ function Util_getAxialAlignedBoundingBox(r, m) {
+
+ var p1 = Util.applyTransform(r, m);
+ var p2 = Util.applyTransform(r.slice(2, 4), m);
+ var p3 = Util.applyTransform([r[0], r[3]], m);
+ var p4 = Util.applyTransform([r[2], r[1]], m);
+ return [
+ Math.min(p1[0], p2[0], p3[0], p4[0]),
+ Math.min(p1[1], p2[1], p3[1], p4[1]),
+ Math.max(p1[0], p2[0], p3[0], p4[0]),
+ Math.max(p1[1], p2[1], p3[1], p4[1])
+ ];
+ };
+
+ Util.inverseTransform = function Util_inverseTransform(m) {
+ var d = m[0] * m[3] - m[1] * m[2];
+ return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d,
+ (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+ };
+
+ // Apply a generic 3d matrix M on a 3-vector v:
+ // | a b c | | X |
+ // | d e f | x | Y |
+ // | g h i | | Z |
+ // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],
+ // with v as [X,Y,Z]
+ Util.apply3dTransform = function Util_apply3dTransform(m, v) {
+ return [
+ m[0] * v[0] + m[1] * v[1] + m[2] * v[2],
+ m[3] * v[0] + m[4] * v[1] + m[5] * v[2],
+ m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
+ ];
+ };
+
+ // This calculation uses Singular Value Decomposition.
+ // The SVD can be represented with formula A = USV. We are interested in the
+ // matrix S here because it represents the scale values.
+ Util.singularValueDecompose2dScale =
+ function Util_singularValueDecompose2dScale(m) {
+
+ var transpose = [m[0], m[2], m[1], m[3]];
+
+ // Multiply matrix m with its transpose.
+ var a = m[0] * transpose[0] + m[1] * transpose[2];
+ var b = m[0] * transpose[1] + m[1] * transpose[3];
+ var c = m[2] * transpose[0] + m[3] * transpose[2];
+ var d = m[2] * transpose[1] + m[3] * transpose[3];
+
+ // Solve the second degree polynomial to get roots.
+ var first = (a + d) / 2;
+ var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+ var sx = first + second || 1;
+ var sy = first - second || 1;
+
+ // Scale values are the square roots of the eigenvalues.
+ return [Math.sqrt(sx), Math.sqrt(sy)];
+ };
+
+ // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)
+ // For coordinate systems whose origin lies in the bottom-left, this
+ // means normalization to (BL,TR) ordering. For systems with origin in the
+ // top-left, this means (TL,BR) ordering.
+ Util.normalizeRect = function Util_normalizeRect(rect) {
+ var r = rect.slice(0); // clone rect
+ if (rect[0] > rect[2]) {
+ r[0] = rect[2];
+ r[2] = rect[0];
+ }
+ if (rect[1] > rect[3]) {
+ r[1] = rect[3];
+ r[3] = rect[1];
+ }
+ return r;
+ };
+
+ // Returns a rectangle [x1, y1, x2, y2] corresponding to the
+ // intersection of rect1 and rect2. If no intersection, returns 'false'
+ // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]
+ Util.intersect = function Util_intersect(rect1, rect2) {
+ function compare(a, b) {
+ return a - b;
+ }
+
+ // Order points along the axes
+ var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),
+ orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),
+ result = [];
+
+ rect1 = Util.normalizeRect(rect1);
+ rect2 = Util.normalizeRect(rect2);
+
+ // X: first and second points belong to different rectangles?
+ if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||
+ (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) {
+ // Intersection must be between second and third points
+ result[0] = orderedX[1];
+ result[2] = orderedX[2];
+ } else {
+ return false;
+ }
+
+ // Y: first and second points belong to different rectangles?
+ if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||
+ (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) {
+ // Intersection must be between second and third points
+ result[1] = orderedY[1];
+ result[3] = orderedY[2];
+ } else {
+ return false;
+ }
+
+ return result;
+ };
+
+ Util.sign = function Util_sign(num) {
+ return num < 0 ? -1 : 1;
+ };
+
+ var ROMAN_NUMBER_MAP = [
+ '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM',
+ '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC',
+ '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'
+ ];
+ /**
+ * Converts positive integers to (upper case) Roman numerals.
+ * @param {integer} number - The number that should be converted.
+ * @param {boolean} lowerCase - Indicates if the result should be converted
+ * to lower case letters. The default is false.
+ * @return {string} The resulting Roman number.
+ */
+ Util.toRoman = function Util_toRoman(number, lowerCase) {
+ assert(isInt(number) && number > 0,
+ 'The number should be a positive integer.');
+ var pos, romanBuf = [];
+ // Thousands
+ while (number >= 1000) {
+ number -= 1000;
+ romanBuf.push('M');
+ }
+ // Hundreds
+ pos = (number / 100) | 0;
+ number %= 100;
+ romanBuf.push(ROMAN_NUMBER_MAP[pos]);
+ // Tens
+ pos = (number / 10) | 0;
+ number %= 10;
+ romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
+ // Ones
+ romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
+
+ var romanStr = romanBuf.join('');
+ return (lowerCase ? romanStr.toLowerCase() : romanStr);
+ };
+
+ Util.appendToArray = function Util_appendToArray(arr1, arr2) {
+ Array.prototype.push.apply(arr1, arr2);
+ };
+
+ Util.prependToArray = function Util_prependToArray(arr1, arr2) {
+ Array.prototype.unshift.apply(arr1, arr2);
+ };
+
+ Util.extendObj = function extendObj(obj1, obj2) {
+ for (var key in obj2) {
+ obj1[key] = obj2[key];
+ }
+ };
+
+ Util.getInheritableProperty = function Util_getInheritableProperty(dict,
+ name) {
+ 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 PageViewport
+ */
+var PageViewport = (function PageViewportClosure() {
+ /**
+ * @constructor
+ * @private
+ * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates.
+ * @param scale {number} scale of the viewport.
+ * @param rotation {number} rotations of the viewport in degrees.
+ * @param offsetX {number} offset X
+ * @param offsetY {number} offset Y
+ * @param dontFlip {boolean} if true, axis Y will not be flipped.
+ */
+ function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
+ this.viewBox = viewBox;
+ this.scale = scale;
+ this.rotation = rotation;
+ this.offsetX = offsetX;
+ this.offsetY = offsetY;
+
+ // creating transform to convert pdf coordinate system to the normal
+ // canvas like coordinates taking in account scale and rotation
+ var centerX = (viewBox[2] + viewBox[0]) / 2;
+ var centerY = (viewBox[3] + viewBox[1]) / 2;
+ var rotateA, rotateB, rotateC, rotateD;
+ rotation = rotation % 360;
+ rotation = rotation < 0 ? rotation + 360 : rotation;
+ switch (rotation) {
+ case 180:
+ rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1;
+ break;
+ case 90:
+ rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0;
+ break;
+ case 270:
+ rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0;
+ break;
+ //case 0:
+ default:
+ rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1;
+ break;
+ }
+
+ if (dontFlip) {
+ rotateC = -rotateC; rotateD = -rotateD;
+ }
+
+ var offsetCanvasX, offsetCanvasY;
+ var width, height;
+ if (rotateA === 0) {
+ offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
+ offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
+ width = Math.abs(viewBox[3] - viewBox[1]) * scale;
+ height = Math.abs(viewBox[2] - viewBox[0]) * scale;
+ } else {
+ offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
+ offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
+ width = Math.abs(viewBox[2] - viewBox[0]) * scale;
+ height = Math.abs(viewBox[3] - viewBox[1]) * scale;
+ }
+ // creating transform for the following operations:
+ // translate(-centerX, -centerY), rotate and flip vertically,
+ // scale, and translate(offsetCanvasX, offsetCanvasY)
+ this.transform = [
+ rotateA * scale,
+ rotateB * scale,
+ rotateC * scale,
+ rotateD * scale,
+ offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
+ offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
+ ];
+
+ this.width = width;
+ this.height = height;
+ this.fontScale = scale;
+ }
+ PageViewport.prototype = /** @lends PageViewport.prototype */ {
+ /**
+ * Clones viewport with additional properties.
+ * @param args {Object} (optional) If specified, may contain the 'scale' or
+ * 'rotation' properties to override the corresponding properties in
+ * the cloned viewport.
+ * @returns {PageViewport} Cloned viewport.
+ */
+ clone: function PageViewPort_clone(args) {
+ args = args || {};
+ var scale = 'scale' in args ? args.scale : this.scale;
+ var rotation = 'rotation' in args ? args.rotation : this.rotation;
+ return new PageViewport(this.viewBox.slice(), scale, rotation,
+ this.offsetX, this.offsetY, args.dontFlip);
+ },
+ /**
+ * Converts PDF point to the viewport coordinates. For examples, useful for
+ * converting PDF location into canvas pixel coordinates.
+ * @param x {number} X coordinate.
+ * @param y {number} Y coordinate.
+ * @returns {Object} Object that contains 'x' and 'y' properties of the
+ * point in the viewport coordinate space.
+ * @see {@link convertToPdfPoint}
+ * @see {@link convertToViewportRectangle}
+ */
+ convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
+ return Util.applyTransform([x, y], this.transform);
+ },
+ /**
+ * Converts PDF rectangle to the viewport coordinates.
+ * @param rect {Array} xMin, yMin, xMax and yMax coordinates.
+ * @returns {Array} Contains corresponding coordinates of the rectangle
+ * in the viewport coordinate space.
+ * @see {@link convertToViewportPoint}
+ */
+ convertToViewportRectangle:
+ function PageViewport_convertToViewportRectangle(rect) {
+ var tl = Util.applyTransform([rect[0], rect[1]], this.transform);
+ var br = Util.applyTransform([rect[2], rect[3]], this.transform);
+ return [tl[0], tl[1], br[0], br[1]];
+ },
+ /**
+ * Converts viewport coordinates to the PDF location. For examples, useful
+ * for converting canvas pixel location into PDF one.
+ * @param x {number} X coordinate.
+ * @param y {number} Y coordinate.
+ * @returns {Object} Object that contains 'x' and 'y' properties of the
+ * point in the PDF coordinate space.
+ * @see {@link convertToViewportPoint}
+ */
+ convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
+ return Util.applyInverseTransform([x, y], this.transform);
+ }
+ };
+ return PageViewport;
+})();
+
+var PDFStringTranslateTable = [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,
+ 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,
+ 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,
+ 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC
+];
+
+function stringToPDFString(str) {
+ var i, n = str.length, strBuf = [];
+ if (str[0] === '\xFE' && str[1] === '\xFF') {
+ // UTF16BE BOM
+ for (i = 2; i < n; i += 2) {
+ strBuf.push(String.fromCharCode(
+ (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1)));
+ }
+ } else {
+ for (i = 0; i < n; ++i) {
+ var code = PDFStringTranslateTable[str.charCodeAt(i)];
+ strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+ }
+ }
+ return strBuf.join('');
+}
+
+function stringToUTF8String(str) {
+ return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+ return unescape(encodeURIComponent(str));
+}
+
+function isEmptyObj(obj) {
+ for (var key in obj) {
+ return false;
+ }
+ return true;
+}
+
+function isBool(v) {
+ return typeof v === 'boolean';
+}
+
+function isInt(v) {
+ return typeof v === 'number' && ((v | 0) === v);
+}
+
+function isNum(v) {
+ return typeof v === 'number';
+}
+
+function isString(v) {
+ return typeof v === 'string';
+}
+
+function isArray(v) {
+ return v instanceof Array;
+}
+
+function isArrayBuffer(v) {
+ return typeof v === 'object' && v !== null && v.byteLength !== undefined;
+}
+
+// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.
+function isSpace(ch) {
+ return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A);
+}
+
+/**
+ * Promise Capability object.
+ *
+ * @typedef {Object} PromiseCapability
+ * @property {Promise} promise - A promise object.
+ * @property {function} resolve - Fulfills the promise.
+ * @property {function} reject - Rejects the promise.
+ */
+
+/**
+ * Creates a promise capability object.
+ * @alias createPromiseCapability
+ *
+ * @return {PromiseCapability} A capability object contains:
+ * - a Promise, resolve and reject methods.
+ */
+function createPromiseCapability() {
+ var capability = {};
+ capability.promise = new Promise(function (resolve, reject) {
+ capability.resolve = resolve;
+ capability.reject = reject;
+ });
+ return capability;
+}
+
+/**
+ * Polyfill for Promises:
+ * The following promise implementation tries to generally implement the
+ * Promise/A+ spec. Some notable differences from other promise libraries are:
+ * - There currently isn't a separate deferred and promise object.
+ * - Unhandled rejections eventually show an error if they aren't handled.
+ *
+ * Based off of the work in:
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=810490
+ */
+(function PromiseClosure() {
+ if (globalScope.Promise) {
+ // Promises existing in the DOM/Worker, checking presence of all/resolve
+ if (typeof globalScope.Promise.all !== 'function') {
+ globalScope.Promise.all = function (iterable) {
+ var count = 0, results = [], resolve, reject;
+ var promise = new globalScope.Promise(function (resolve_, reject_) {
+ resolve = resolve_;
+ reject = reject_;
+ });
+ iterable.forEach(function (p, i) {
+ count++;
+ p.then(function (result) {
+ results[i] = result;
+ count--;
+ if (count === 0) {
+ resolve(results);
+ }
+ }, reject);
+ });
+ if (count === 0) {
+ resolve(results);
+ }
+ return promise;
+ };
+ }
+ if (typeof globalScope.Promise.resolve !== 'function') {
+ globalScope.Promise.resolve = function (value) {
+ return new globalScope.Promise(function (resolve) { resolve(value); });
+ };
+ }
+ if (typeof globalScope.Promise.reject !== 'function') {
+ globalScope.Promise.reject = function (reason) {
+ return new globalScope.Promise(function (resolve, reject) {
+ reject(reason);
+ });
+ };
+ }
+ if (typeof globalScope.Promise.prototype.catch !== 'function') {
+ globalScope.Promise.prototype.catch = function (onReject) {
+ return globalScope.Promise.prototype.then(undefined, onReject);
+ };
+ }
+ return;
+ }
+ 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} promises array of data and/or promises to wait for.
+ * @return {Promise} New dependent 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;
+})();
+
+(function WeakMapClosure() {
+ if (globalScope.WeakMap) {
+ return;
+ }
+
+ var id = 0;
+ function WeakMap() {
+ this.id = '$weakmap' + (id++);
+ }
+ WeakMap.prototype = {
+ has: function(obj) {
+ return !!Object.getOwnPropertyDescriptor(obj, this.id);
+ },
+ get: function(obj, defaultValue) {
+ return this.has(obj) ? obj[this.id] : defaultValue;
+ },
+ set: function(obj, value) {
+ Object.defineProperty(obj, this.id, {
+ value: value,
+ enumerable: false,
+ configurable: true
+ });
+ },
+ delete: function(obj) {
+ delete obj[this.id];
+ }
+ };
+
+ globalScope.WeakMap = WeakMap;
+})();
+
+var StatTimer = (function StatTimerClosure() {
+ function rpad(str, pad, length) {
+ while (str.length < length) {
+ str += pad;
+ }
+ return str;
+ }
+ function StatTimer() {
+ this.started = Object.create(null);
+ this.times = [];
+ this.enabled = true;
+ }
+ StatTimer.prototype = {
+ time: function StatTimer_time(name) {
+ if (!this.enabled) {
+ return;
+ }
+ if (name in this.started) {
+ warn('Timer is already running for ' + name);
+ }
+ this.started[name] = Date.now();
+ },
+ timeEnd: function StatTimer_timeEnd(name) {
+ if (!this.enabled) {
+ return;
+ }
+ if (!(name in this.started)) {
+ warn('Timer has not been started for ' + name);
+ }
+ this.times.push({
+ 'name': name,
+ 'start': this.started[name],
+ 'end': Date.now()
+ });
+ // Remove timer from started so it can be called again.
+ delete this.started[name];
+ },
+ toString: function StatTimer_toString() {
+ var i, ii;
+ var times = this.times;
+ var out = '';
+ // Find the longest name for padding purposes.
+ var longest = 0;
+ for (i = 0, ii = times.length; i < ii; ++i) {
+ var name = times[i]['name'];
+ if (name.length > longest) {
+ longest = name.length;
+ }
+ }
+ for (i = 0, ii = times.length; i < ii; ++i) {
+ var span = times[i];
+ var duration = span.end - span.start;
+ out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
+ }
+ return out;
+ }
+ };
+ return StatTimer;
+})();
+
+var createBlob = function createBlob(data, contentType) {
+ if (typeof Blob !== 'undefined') {
+ return new Blob([data], { type: contentType });
+ }
+ warn('The "Blob" constructor is not supported.');
+};
+
+var createObjectURL = (function createObjectURLClosure() {
+ // Blob/createObjectURL is not available, falling back to data schema.
+ var digits =
+ 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+
+ return function createObjectURL(data, contentType, forceDataSchema) {
+ if (!forceDataSchema &&
+ typeof URL !== 'undefined' && URL.createObjectURL) {
+ var blob = createBlob(data, contentType);
+ return URL.createObjectURL(blob);
+ }
+
+ var buffer = 'data:' + contentType + ';base64,';
+ for (var i = 0, ii = data.length; i < ii; i += 3) {
+ var b1 = data[i] & 0xFF;
+ var b2 = data[i + 1] & 0xFF;
+ var b3 = data[i + 2] & 0xFF;
+ var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
+ var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
+ var d4 = i + 2 < ii ? (b3 & 0x3F) : 64;
+ buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+ }
+ return buffer;
+ };
+})();
+
+function MessageHandler(sourceName, targetName, comObj) {
+ this.sourceName = sourceName;
+ this.targetName = targetName;
+ this.comObj = comObj;
+ this.callbackIndex = 1;
+ this.postMessageTransfers = true;
+ var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
+ var ah = this.actionHandler = Object.create(null);
+
+ this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
+ var data = event.data;
+ if (data.targetName !== this.sourceName) {
+ return;
+ }
+ if (data.isReply) {
+ var callbackId = data.callbackId;
+ if (data.callbackId in callbacksCapabilities) {
+ var callback = callbacksCapabilities[callbackId];
+ delete callbacksCapabilities[callbackId];
+ if ('error' in data) {
+ callback.reject(data.error);
+ } else {
+ callback.resolve(data.data);
+ }
+ } else {
+ error('Cannot resolve callback ' + callbackId);
+ }
+ } else if (data.action in ah) {
+ var action = ah[data.action];
+ if (data.callbackId) {
+ var sourceName = this.sourceName;
+ var targetName = data.sourceName;
+ Promise.resolve().then(function () {
+ return action[0].call(action[1], data.data);
+ }).then(function (result) {
+ comObj.postMessage({
+ sourceName: sourceName,
+ targetName: targetName,
+ isReply: true,
+ callbackId: data.callbackId,
+ data: result
+ });
+ }, function (reason) {
+ if (reason instanceof Error) {
+ // Serialize error to avoid "DataCloneError"
+ reason = reason + '';
+ }
+ comObj.postMessage({
+ sourceName: sourceName,
+ targetName: targetName,
+ isReply: true,
+ callbackId: data.callbackId,
+ error: reason
+ });
+ });
+ } else {
+ action[0].call(action[1], data.data);
+ }
+ } else {
+ error('Unknown action from worker: ' + data.action);
+ }
+ }.bind(this);
+ comObj.addEventListener('message', this._onComObjOnMessage);
+}
+
+MessageHandler.prototype = {
+ on: function messageHandlerOn(actionName, handler, scope) {
+ var ah = this.actionHandler;
+ if (ah[actionName]) {
+ error('There is already an actionName called "' + actionName + '"');
+ }
+ ah[actionName] = [handler, scope];
+ },
+ /**
+ * Sends a message to the comObj to invoke the action with the supplied data.
+ * @param {String} actionName Action to call.
+ * @param {JSON} data JSON data to send.
+ * @param {Array} [transfers] Optional list of transfers/ArrayBuffers
+ */
+ send: function messageHandlerSend(actionName, data, transfers) {
+ var message = {
+ sourceName: this.sourceName,
+ targetName: this.targetName,
+ action: actionName,
+ data: data
+ };
+ this.postMessage(message, transfers);
+ },
+ /**
+ * Sends a message to the comObj to invoke the action with the supplied data.
+ * Expects that other side will callback with the response.
+ * @param {String} actionName Action to call.
+ * @param {JSON} data JSON data to send.
+ * @param {Array} [transfers] Optional list of transfers/ArrayBuffers.
+ * @returns {Promise} Promise to be resolved with response data.
+ */
+ sendWithPromise:
+ function messageHandlerSendWithPromise(actionName, data, transfers) {
+ var callbackId = this.callbackIndex++;
+ var message = {
+ sourceName: this.sourceName,
+ targetName: this.targetName,
+ action: actionName,
+ data: data,
+ callbackId: callbackId
+ };
+ var capability = createPromiseCapability();
+ this.callbacksCapabilities[callbackId] = capability;
+ try {
+ this.postMessage(message, transfers);
+ } catch (e) {
+ capability.reject(e);
+ }
+ return capability.promise;
+ },
+ /**
+ * Sends raw message to the comObj.
+ * @private
+ * @param message {Object} Raw message.
+ * @param transfers List of transfers/ArrayBuffers, or undefined.
+ */
+ postMessage: function (message, transfers) {
+ if (transfers && this.postMessageTransfers) {
+ this.comObj.postMessage(message, transfers);
+ } else {
+ this.comObj.postMessage(message);
+ }
+ },
+
+ destroy: function () {
+ this.comObj.removeEventListener('message', this._onComObjOnMessage);
+ }
+};
+
+function loadJpegStream(id, imageUrl, objs) {
+ var img = new Image();
+ img.onload = (function loadJpegStream_onloadClosure() {
+ objs.resolve(id, img);
+ });
+ img.onerror = (function loadJpegStream_onerrorClosure() {
+ objs.resolve(id, null);
+ warn('Error during JPEG image loading');
+ });
+ img.src = imageUrl;
+}
+
+ // Polyfill from https://github.com/Polymer/URL
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+(function checkURLConstructor(scope) {
+ // feature detect for URL constructor
+ var hasWorkingUrl = false;
+ try {
+ if (typeof URL === 'function' &&
+ typeof URL.prototype === 'object' &&
+ ('origin' in URL.prototype)) {
+ var u = new URL('b', 'http://a');
+ u.pathname = 'c%20d';
+ hasWorkingUrl = u.href === 'http://a/c%20d';
+ }
+ } catch(e) { }
+
+ if (hasWorkingUrl) {
+ return;
+ }
+
+ var relative = Object.create(null);
+ relative['ftp'] = 21;
+ relative['file'] = 0;
+ relative['gopher'] = 70;
+ relative['http'] = 80;
+ relative['https'] = 443;
+ relative['ws'] = 80;
+ relative['wss'] = 443;
+
+ var relativePathDotMapping = Object.create(null);
+ relativePathDotMapping['%2e'] = '.';
+ relativePathDotMapping['.%2e'] = '..';
+ relativePathDotMapping['%2e.'] = '..';
+ relativePathDotMapping['%2e%2e'] = '..';
+
+ function isRelativeScheme(scheme) {
+ return relative[scheme] !== undefined;
+ }
+
+ function invalid() {
+ clear.call(this);
+ this._isInvalid = true;
+ }
+
+ function IDNAToASCII(h) {
+ if ('' === h) {
+ invalid.call(this);
+ }
+ // XXX
+ return h.toLowerCase();
+ }
+
+ function percentEscape(c) {
+ var unicode = c.charCodeAt(0);
+ if (unicode > 0x20 &&
+ unicode < 0x7F &&
+ // " # < > ? `
+ [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1
+ ) {
+ return c;
+ }
+ return encodeURIComponent(c);
+ }
+
+ function percentEscapeQuery(c) {
+ // XXX This actually needs to encode c using encoding and then
+ // convert the bytes one-by-one.
+
+ var unicode = c.charCodeAt(0);
+ if (unicode > 0x20 &&
+ unicode < 0x7F &&
+ // " # < > ` (do not escape '?')
+ [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1
+ ) {
+ return c;
+ }
+ return encodeURIComponent(c);
+ }
+
+ var EOF, ALPHA = /[a-zA-Z]/,
+ ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
+
+ function parse(input, stateOverride, base) {
+ function err(message) {
+ errors.push(message);
+ }
+
+ var state = stateOverride || 'scheme start',
+ cursor = 0,
+ buffer = '',
+ seenAt = false,
+ seenBracket = false,
+ errors = [];
+
+ loop: while ((input[cursor - 1] !== EOF || cursor === 0) &&
+ !this._isInvalid) {
+ var c = input[cursor];
+ switch (state) {
+ case 'scheme start':
+ if (c && ALPHA.test(c)) {
+ buffer += c.toLowerCase(); // ASCII-safe
+ state = 'scheme';
+ } else if (!stateOverride) {
+ buffer = '';
+ state = 'no scheme';
+ continue;
+ } else {
+ err('Invalid scheme.');
+ break loop;
+ }
+ break;
+
+ case 'scheme':
+ if (c && ALPHANUMERIC.test(c)) {
+ buffer += c.toLowerCase(); // ASCII-safe
+ } else if (':' === c) {
+ this._scheme = buffer;
+ buffer = '';</