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  1. /* Copyright 2017 Mozilla Foundation
  2. *
  3. * Licensed under the Apache License, Version 2.0 (the "License");
  4. * you may not use this file except in compliance with the License.
  5. * You may obtain a copy of the License at
  6. *
  7. * http://www.apache.org/licenses/LICENSE-2.0
  8. *
  9. * Unless required by applicable law or agreed to in writing, software
  10. * distributed under the License is distributed on an "AS IS" BASIS,
  11. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. * See the License for the specific language governing permissions and
  13. * limitations under the License.
  14. */
  15. (function webpackUniversalModuleDefinition(root, factory) {
  16. if(typeof exports === 'object' && typeof module === 'object')
  17. module.exports = factory();
  18. else if(typeof define === 'function' && define.amd)
  19. define("pdfjs-dist/build/pdf", [], factory);
  20. else if(typeof exports === 'object')
  21. exports["pdfjs-dist/build/pdf"] = factory();
  22. else
  23. root["pdfjs-dist/build/pdf"] = root.pdfjsDistBuildPdf = factory();
  24. })(this, function() {
  25. return /******/ (function(modules) { // webpackBootstrap
  26. /******/ // The module cache
  27. /******/ var installedModules = {};
  28. /******/ // The require function
  29. /******/ function __w_pdfjs_require__(moduleId) {
  30. /******/ // Check if module is in cache
  31. /******/ if(installedModules[moduleId])
  32. /******/ return installedModules[moduleId].exports;
  33. /******/ // Create a new module (and put it into the cache)
  34. /******/ var module = installedModules[moduleId] = {
  35. /******/ i: moduleId,
  36. /******/ l: false,
  37. /******/ exports: {}
  38. /******/ };
  39. /******/ // Execute the module function
  40. /******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
  41. /******/ // Flag the module as loaded
  42. /******/ module.l = true;
  43. /******/ // Return the exports of the module
  44. /******/ return module.exports;
  45. /******/ }
  46. /******/ // expose the modules object (__webpack_modules__)
  47. /******/ __w_pdfjs_require__.m = modules;
  48. /******/ // expose the module cache
  49. /******/ __w_pdfjs_require__.c = installedModules;
  50. /******/ // identity function for calling harmony imports with the correct context
  51. /******/ __w_pdfjs_require__.i = function(value) { return value; };
  52. /******/ // define getter function for harmony exports
  53. /******/ __w_pdfjs_require__.d = function(exports, name, getter) {
  54. /******/ if(!__w_pdfjs_require__.o(exports, name)) {
  55. /******/ Object.defineProperty(exports, name, {
  56. /******/ configurable: false,
  57. /******/ enumerable: true,
  58. /******/ get: getter
  59. /******/ });
  60. /******/ }
  61. /******/ };
  62. /******/ // getDefaultExport function for compatibility with non-harmony modules
  63. /******/ __w_pdfjs_require__.n = function(module) {
  64. /******/ var getter = module && module.__esModule ?
  65. /******/ function getDefault() { return module['default']; } :
  66. /******/ function getModuleExports() { return module; };
  67. /******/ __w_pdfjs_require__.d(getter, 'a', getter);
  68. /******/ return getter;
  69. /******/ };
  70. /******/ // Object.prototype.hasOwnProperty.call
  71. /******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
  72. /******/ // __webpack_public_path__
  73. /******/ __w_pdfjs_require__.p = "";
  74. /******/ // Load entry module and return exports
  75. /******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 14);
  76. /******/ })
  77. /************************************************************************/
  78. /******/ ([
  79. /* 0 */
  80. /***/ (function(module, exports, __w_pdfjs_require__) {
  81. "use strict";
  82. /* WEBPACK VAR INJECTION */(function(global) {
  83. var compatibility = __w_pdfjs_require__(13);
  84. var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this;
  85. var FONT_IDENTITY_MATRIX = [
  86. 0.001,
  87. 0,
  88. 0,
  89. 0.001,
  90. 0,
  91. 0
  92. ];
  93. var TextRenderingMode = {
  94. FILL: 0,
  95. STROKE: 1,
  96. FILL_STROKE: 2,
  97. INVISIBLE: 3,
  98. FILL_ADD_TO_PATH: 4,
  99. STROKE_ADD_TO_PATH: 5,
  100. FILL_STROKE_ADD_TO_PATH: 6,
  101. ADD_TO_PATH: 7,
  102. FILL_STROKE_MASK: 3,
  103. ADD_TO_PATH_FLAG: 4
  104. };
  105. var ImageKind = {
  106. GRAYSCALE_1BPP: 1,
  107. RGB_24BPP: 2,
  108. RGBA_32BPP: 3
  109. };
  110. var AnnotationType = {
  111. TEXT: 1,
  112. LINK: 2,
  113. FREETEXT: 3,
  114. LINE: 4,
  115. SQUARE: 5,
  116. CIRCLE: 6,
  117. POLYGON: 7,
  118. POLYLINE: 8,
  119. HIGHLIGHT: 9,
  120. UNDERLINE: 10,
  121. SQUIGGLY: 11,
  122. STRIKEOUT: 12,
  123. STAMP: 13,
  124. CARET: 14,
  125. INK: 15,
  126. POPUP: 16,
  127. FILEATTACHMENT: 17,
  128. SOUND: 18,
  129. MOVIE: 19,
  130. WIDGET: 20,
  131. SCREEN: 21,
  132. PRINTERMARK: 22,
  133. TRAPNET: 23,
  134. WATERMARK: 24,
  135. THREED: 25,
  136. REDACT: 26
  137. };
  138. var AnnotationFlag = {
  139. INVISIBLE: 0x01,
  140. HIDDEN: 0x02,
  141. PRINT: 0x04,
  142. NOZOOM: 0x08,
  143. NOROTATE: 0x10,
  144. NOVIEW: 0x20,
  145. READONLY: 0x40,
  146. LOCKED: 0x80,
  147. TOGGLENOVIEW: 0x100,
  148. LOCKEDCONTENTS: 0x200
  149. };
  150. var AnnotationFieldFlag = {
  151. READONLY: 0x0000001,
  152. REQUIRED: 0x0000002,
  153. NOEXPORT: 0x0000004,
  154. MULTILINE: 0x0001000,
  155. PASSWORD: 0x0002000,
  156. NOTOGGLETOOFF: 0x0004000,
  157. RADIO: 0x0008000,
  158. PUSHBUTTON: 0x0010000,
  159. COMBO: 0x0020000,
  160. EDIT: 0x0040000,
  161. SORT: 0x0080000,
  162. FILESELECT: 0x0100000,
  163. MULTISELECT: 0x0200000,
  164. DONOTSPELLCHECK: 0x0400000,
  165. DONOTSCROLL: 0x0800000,
  166. COMB: 0x1000000,
  167. RICHTEXT: 0x2000000,
  168. RADIOSINUNISON: 0x2000000,
  169. COMMITONSELCHANGE: 0x4000000
  170. };
  171. var AnnotationBorderStyleType = {
  172. SOLID: 1,
  173. DASHED: 2,
  174. BEVELED: 3,
  175. INSET: 4,
  176. UNDERLINE: 5
  177. };
  178. var StreamType = {
  179. UNKNOWN: 0,
  180. FLATE: 1,
  181. LZW: 2,
  182. DCT: 3,
  183. JPX: 4,
  184. JBIG: 5,
  185. A85: 6,
  186. AHX: 7,
  187. CCF: 8,
  188. RL: 9
  189. };
  190. var FontType = {
  191. UNKNOWN: 0,
  192. TYPE1: 1,
  193. TYPE1C: 2,
  194. CIDFONTTYPE0: 3,
  195. CIDFONTTYPE0C: 4,
  196. TRUETYPE: 5,
  197. CIDFONTTYPE2: 6,
  198. TYPE3: 7,
  199. OPENTYPE: 8,
  200. TYPE0: 9,
  201. MMTYPE1: 10
  202. };
  203. var VERBOSITY_LEVELS = {
  204. errors: 0,
  205. warnings: 1,
  206. infos: 5
  207. };
  208. var CMapCompressionType = {
  209. NONE: 0,
  210. BINARY: 1,
  211. STREAM: 2
  212. };
  213. var OPS = {
  214. dependency: 1,
  215. setLineWidth: 2,
  216. setLineCap: 3,
  217. setLineJoin: 4,
  218. setMiterLimit: 5,
  219. setDash: 6,
  220. setRenderingIntent: 7,
  221. setFlatness: 8,
  222. setGState: 9,
  223. save: 10,
  224. restore: 11,
  225. transform: 12,
  226. moveTo: 13,
  227. lineTo: 14,
  228. curveTo: 15,
  229. curveTo2: 16,
  230. curveTo3: 17,
  231. closePath: 18,
  232. rectangle: 19,
  233. stroke: 20,
  234. closeStroke: 21,
  235. fill: 22,
  236. eoFill: 23,
  237. fillStroke: 24,
  238. eoFillStroke: 25,
  239. closeFillStroke: 26,
  240. closeEOFillStroke: 27,
  241. endPath: 28,
  242. clip: 29,
  243. eoClip: 30,
  244. beginText: 31,
  245. endText: 32,
  246. setCharSpacing: 33,
  247. setWordSpacing: 34,
  248. setHScale: 35,
  249. setLeading: 36,
  250. setFont: 37,
  251. setTextRenderingMode: 38,
  252. setTextRise: 39,
  253. moveText: 40,
  254. setLeadingMoveText: 41,
  255. setTextMatrix: 42,
  256. nextLine: 43,
  257. showText: 44,
  258. showSpacedText: 45,
  259. nextLineShowText: 46,
  260. nextLineSetSpacingShowText: 47,
  261. setCharWidth: 48,
  262. setCharWidthAndBounds: 49,
  263. setStrokeColorSpace: 50,
  264. setFillColorSpace: 51,
  265. setStrokeColor: 52,
  266. setStrokeColorN: 53,
  267. setFillColor: 54,
  268. setFillColorN: 55,
  269. setStrokeGray: 56,
  270. setFillGray: 57,
  271. setStrokeRGBColor: 58,
  272. setFillRGBColor: 59,
  273. setStrokeCMYKColor: 60,
  274. setFillCMYKColor: 61,
  275. shadingFill: 62,
  276. beginInlineImage: 63,
  277. beginImageData: 64,
  278. endInlineImage: 65,
  279. paintXObject: 66,
  280. markPoint: 67,
  281. markPointProps: 68,
  282. beginMarkedContent: 69,
  283. beginMarkedContentProps: 70,
  284. endMarkedContent: 71,
  285. beginCompat: 72,
  286. endCompat: 73,
  287. paintFormXObjectBegin: 74,
  288. paintFormXObjectEnd: 75,
  289. beginGroup: 76,
  290. endGroup: 77,
  291. beginAnnotations: 78,
  292. endAnnotations: 79,
  293. beginAnnotation: 80,
  294. endAnnotation: 81,
  295. paintJpegXObject: 82,
  296. paintImageMaskXObject: 83,
  297. paintImageMaskXObjectGroup: 84,
  298. paintImageXObject: 85,
  299. paintInlineImageXObject: 86,
  300. paintInlineImageXObjectGroup: 87,
  301. paintImageXObjectRepeat: 88,
  302. paintImageMaskXObjectRepeat: 89,
  303. paintSolidColorImageMask: 90,
  304. constructPath: 91
  305. };
  306. var verbosity = VERBOSITY_LEVELS.warnings;
  307. function setVerbosityLevel(level) {
  308. verbosity = level;
  309. }
  310. function getVerbosityLevel() {
  311. return verbosity;
  312. }
  313. function info(msg) {
  314. if (verbosity >= VERBOSITY_LEVELS.infos) {
  315. console.log('Info: ' + msg);
  316. }
  317. }
  318. function warn(msg) {
  319. if (verbosity >= VERBOSITY_LEVELS.warnings) {
  320. console.log('Warning: ' + msg);
  321. }
  322. }
  323. function deprecated(details) {
  324. console.log('Deprecated API usage: ' + details);
  325. }
  326. function error(msg) {
  327. if (verbosity >= VERBOSITY_LEVELS.errors) {
  328. console.log('Error: ' + msg);
  329. console.log(backtrace());
  330. }
  331. throw new Error(msg);
  332. }
  333. function backtrace() {
  334. try {
  335. throw new Error();
  336. } catch (e) {
  337. return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
  338. }
  339. }
  340. function assert(cond, msg) {
  341. if (!cond) {
  342. error(msg);
  343. }
  344. }
  345. var UNSUPPORTED_FEATURES = {
  346. unknown: 'unknown',
  347. forms: 'forms',
  348. javaScript: 'javaScript',
  349. smask: 'smask',
  350. shadingPattern: 'shadingPattern',
  351. font: 'font'
  352. };
  353. function isSameOrigin(baseUrl, otherUrl) {
  354. try {
  355. var base = new URL(baseUrl);
  356. if (!base.origin || base.origin === 'null') {
  357. return false;
  358. }
  359. } catch (e) {
  360. return false;
  361. }
  362. var other = new URL(otherUrl, base);
  363. return base.origin === other.origin;
  364. }
  365. function isValidProtocol(url) {
  366. if (!url) {
  367. return false;
  368. }
  369. switch (url.protocol) {
  370. case 'http:':
  371. case 'https:':
  372. case 'ftp:':
  373. case 'mailto:':
  374. case 'tel:':
  375. return true;
  376. default:
  377. return false;
  378. }
  379. }
  380. function createValidAbsoluteUrl(url, baseUrl) {
  381. if (!url) {
  382. return null;
  383. }
  384. try {
  385. var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
  386. if (isValidProtocol(absoluteUrl)) {
  387. return absoluteUrl;
  388. }
  389. } catch (ex) {
  390. }
  391. return null;
  392. }
  393. function shadow(obj, prop, value) {
  394. Object.defineProperty(obj, prop, {
  395. value: value,
  396. enumerable: true,
  397. configurable: true,
  398. writable: false
  399. });
  400. return value;
  401. }
  402. function getLookupTableFactory(initializer) {
  403. var lookup;
  404. return function () {
  405. if (initializer) {
  406. lookup = Object.create(null);
  407. initializer(lookup);
  408. initializer = null;
  409. }
  410. return lookup;
  411. };
  412. }
  413. var PasswordResponses = {
  414. NEED_PASSWORD: 1,
  415. INCORRECT_PASSWORD: 2
  416. };
  417. var PasswordException = function PasswordExceptionClosure() {
  418. function PasswordException(msg, code) {
  419. this.name = 'PasswordException';
  420. this.message = msg;
  421. this.code = code;
  422. }
  423. PasswordException.prototype = new Error();
  424. PasswordException.constructor = PasswordException;
  425. return PasswordException;
  426. }();
  427. var UnknownErrorException = function UnknownErrorExceptionClosure() {
  428. function UnknownErrorException(msg, details) {
  429. this.name = 'UnknownErrorException';
  430. this.message = msg;
  431. this.details = details;
  432. }
  433. UnknownErrorException.prototype = new Error();
  434. UnknownErrorException.constructor = UnknownErrorException;
  435. return UnknownErrorException;
  436. }();
  437. var InvalidPDFException = function InvalidPDFExceptionClosure() {
  438. function InvalidPDFException(msg) {
  439. this.name = 'InvalidPDFException';
  440. this.message = msg;
  441. }
  442. InvalidPDFException.prototype = new Error();
  443. InvalidPDFException.constructor = InvalidPDFException;
  444. return InvalidPDFException;
  445. }();
  446. var MissingPDFException = function MissingPDFExceptionClosure() {
  447. function MissingPDFException(msg) {
  448. this.name = 'MissingPDFException';
  449. this.message = msg;
  450. }
  451. MissingPDFException.prototype = new Error();
  452. MissingPDFException.constructor = MissingPDFException;
  453. return MissingPDFException;
  454. }();
  455. var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
  456. function UnexpectedResponseException(msg, status) {
  457. this.name = 'UnexpectedResponseException';
  458. this.message = msg;
  459. this.status = status;
  460. }
  461. UnexpectedResponseException.prototype = new Error();
  462. UnexpectedResponseException.constructor = UnexpectedResponseException;
  463. return UnexpectedResponseException;
  464. }();
  465. var NotImplementedException = function NotImplementedExceptionClosure() {
  466. function NotImplementedException(msg) {
  467. this.message = msg;
  468. }
  469. NotImplementedException.prototype = new Error();
  470. NotImplementedException.prototype.name = 'NotImplementedException';
  471. NotImplementedException.constructor = NotImplementedException;
  472. return NotImplementedException;
  473. }();
  474. var MissingDataException = function MissingDataExceptionClosure() {
  475. function MissingDataException(begin, end) {
  476. this.begin = begin;
  477. this.end = end;
  478. this.message = 'Missing data [' + begin + ', ' + end + ')';
  479. }
  480. MissingDataException.prototype = new Error();
  481. MissingDataException.prototype.name = 'MissingDataException';
  482. MissingDataException.constructor = MissingDataException;
  483. return MissingDataException;
  484. }();
  485. var XRefParseException = function XRefParseExceptionClosure() {
  486. function XRefParseException(msg) {
  487. this.message = msg;
  488. }
  489. XRefParseException.prototype = new Error();
  490. XRefParseException.prototype.name = 'XRefParseException';
  491. XRefParseException.constructor = XRefParseException;
  492. return XRefParseException;
  493. }();
  494. var NullCharactersRegExp = /\x00/g;
  495. function removeNullCharacters(str) {
  496. if (typeof str !== 'string') {
  497. warn('The argument for removeNullCharacters must be a string.');
  498. return str;
  499. }
  500. return str.replace(NullCharactersRegExp, '');
  501. }
  502. function bytesToString(bytes) {
  503. assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
  504. var length = bytes.length;
  505. var MAX_ARGUMENT_COUNT = 8192;
  506. if (length < MAX_ARGUMENT_COUNT) {
  507. return String.fromCharCode.apply(null, bytes);
  508. }
  509. var strBuf = [];
  510. for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
  511. var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
  512. var chunk = bytes.subarray(i, chunkEnd);
  513. strBuf.push(String.fromCharCode.apply(null, chunk));
  514. }
  515. return strBuf.join('');
  516. }
  517. function stringToBytes(str) {
  518. assert(typeof str === 'string', 'Invalid argument for stringToBytes');
  519. var length = str.length;
  520. var bytes = new Uint8Array(length);
  521. for (var i = 0; i < length; ++i) {
  522. bytes[i] = str.charCodeAt(i) & 0xFF;
  523. }
  524. return bytes;
  525. }
  526. function arrayByteLength(arr) {
  527. if (arr.length !== undefined) {
  528. return arr.length;
  529. }
  530. assert(arr.byteLength !== undefined);
  531. return arr.byteLength;
  532. }
  533. function arraysToBytes(arr) {
  534. if (arr.length === 1 && arr[0] instanceof Uint8Array) {
  535. return arr[0];
  536. }
  537. var resultLength = 0;
  538. var i, ii = arr.length;
  539. var item, itemLength;
  540. for (i = 0; i < ii; i++) {
  541. item = arr[i];
  542. itemLength = arrayByteLength(item);
  543. resultLength += itemLength;
  544. }
  545. var pos = 0;
  546. var data = new Uint8Array(resultLength);
  547. for (i = 0; i < ii; i++) {
  548. item = arr[i];
  549. if (!(item instanceof Uint8Array)) {
  550. if (typeof item === 'string') {
  551. item = stringToBytes(item);
  552. } else {
  553. item = new Uint8Array(item);
  554. }
  555. }
  556. itemLength = item.byteLength;
  557. data.set(item, pos);
  558. pos += itemLength;
  559. }
  560. return data;
  561. }
  562. function string32(value) {
  563. return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
  564. }
  565. function log2(x) {
  566. var n = 1, i = 0;
  567. while (x > n) {
  568. n <<= 1;
  569. i++;
  570. }
  571. return i;
  572. }
  573. function readInt8(data, start) {
  574. return data[start] << 24 >> 24;
  575. }
  576. function readUint16(data, offset) {
  577. return data[offset] << 8 | data[offset + 1];
  578. }
  579. function readUint32(data, offset) {
  580. return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
  581. }
  582. function isLittleEndian() {
  583. var buffer8 = new Uint8Array(2);
  584. buffer8[0] = 1;
  585. var buffer16 = new Uint16Array(buffer8.buffer);
  586. return buffer16[0] === 1;
  587. }
  588. function isEvalSupported() {
  589. try {
  590. new Function('');
  591. return true;
  592. } catch (e) {
  593. return false;
  594. }
  595. }
  596. var Uint32ArrayView = function Uint32ArrayViewClosure() {
  597. function Uint32ArrayView(buffer, length) {
  598. this.buffer = buffer;
  599. this.byteLength = buffer.length;
  600. this.length = length === undefined ? this.byteLength >> 2 : length;
  601. ensureUint32ArrayViewProps(this.length);
  602. }
  603. Uint32ArrayView.prototype = Object.create(null);
  604. var uint32ArrayViewSetters = 0;
  605. function createUint32ArrayProp(index) {
  606. return {
  607. get: function () {
  608. var buffer = this.buffer, offset = index << 2;
  609. return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
  610. },
  611. set: function (value) {
  612. var buffer = this.buffer, offset = index << 2;
  613. buffer[offset] = value & 255;
  614. buffer[offset + 1] = value >> 8 & 255;
  615. buffer[offset + 2] = value >> 16 & 255;
  616. buffer[offset + 3] = value >>> 24 & 255;
  617. }
  618. };
  619. }
  620. function ensureUint32ArrayViewProps(length) {
  621. while (uint32ArrayViewSetters < length) {
  622. Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
  623. uint32ArrayViewSetters++;
  624. }
  625. }
  626. return Uint32ArrayView;
  627. }();
  628. exports.Uint32ArrayView = Uint32ArrayView;
  629. var IDENTITY_MATRIX = [
  630. 1,
  631. 0,
  632. 0,
  633. 1,
  634. 0,
  635. 0
  636. ];
  637. var Util = function UtilClosure() {
  638. function Util() {
  639. }
  640. var rgbBuf = [
  641. 'rgb(',
  642. 0,
  643. ',',
  644. 0,
  645. ',',
  646. 0,
  647. ')'
  648. ];
  649. Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
  650. rgbBuf[1] = r;
  651. rgbBuf[3] = g;
  652. rgbBuf[5] = b;
  653. return rgbBuf.join('');
  654. };
  655. Util.transform = function Util_transform(m1, m2) {
  656. return [
  657. m1[0] * m2[0] + m1[2] * m2[1],
  658. m1[1] * m2[0] + m1[3] * m2[1],
  659. m1[0] * m2[2] + m1[2] * m2[3],
  660. m1[1] * m2[2] + m1[3] * m2[3],
  661. m1[0] * m2[4] + m1[2] * m2[5] + m1[4],
  662. m1[1] * m2[4] + m1[3] * m2[5] + m1[5]
  663. ];
  664. };
  665. Util.applyTransform = function Util_applyTransform(p, m) {
  666. var xt = p[0] * m[0] + p[1] * m[2] + m[4];
  667. var yt = p[0] * m[1] + p[1] * m[3] + m[5];
  668. return [
  669. xt,
  670. yt
  671. ];
  672. };
  673. Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
  674. var d = m[0] * m[3] - m[1] * m[2];
  675. var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
  676. var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
  677. return [
  678. xt,
  679. yt
  680. ];
  681. };
  682. Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
  683. var p1 = Util.applyTransform(r, m);
  684. var p2 = Util.applyTransform(r.slice(2, 4), m);
  685. var p3 = Util.applyTransform([
  686. r[0],
  687. r[3]
  688. ], m);
  689. var p4 = Util.applyTransform([
  690. r[2],
  691. r[1]
  692. ], m);
  693. return [
  694. Math.min(p1[0], p2[0], p3[0], p4[0]),
  695. Math.min(p1[1], p2[1], p3[1], p4[1]),
  696. Math.max(p1[0], p2[0], p3[0], p4[0]),
  697. Math.max(p1[1], p2[1], p3[1], p4[1])
  698. ];
  699. };
  700. Util.inverseTransform = function Util_inverseTransform(m) {
  701. var d = m[0] * m[3] - m[1] * m[2];
  702. return [
  703. m[3] / d,
  704. -m[1] / d,
  705. -m[2] / d,
  706. m[0] / d,
  707. (m[2] * m[5] - m[4] * m[3]) / d,
  708. (m[4] * m[1] - m[5] * m[0]) / d
  709. ];
  710. };
  711. Util.apply3dTransform = function Util_apply3dTransform(m, v) {
  712. return [
  713. m[0] * v[0] + m[1] * v[1] + m[2] * v[2],
  714. m[3] * v[0] + m[4] * v[1] + m[5] * v[2],
  715. m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
  716. ];
  717. };
  718. Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
  719. var transpose = [
  720. m[0],
  721. m[2],
  722. m[1],
  723. m[3]
  724. ];
  725. var a = m[0] * transpose[0] + m[1] * transpose[2];
  726. var b = m[0] * transpose[1] + m[1] * transpose[3];
  727. var c = m[2] * transpose[0] + m[3] * transpose[2];
  728. var d = m[2] * transpose[1] + m[3] * transpose[3];
  729. var first = (a + d) / 2;
  730. var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
  731. var sx = first + second || 1;
  732. var sy = first - second || 1;
  733. return [
  734. Math.sqrt(sx),
  735. Math.sqrt(sy)
  736. ];
  737. };
  738. Util.normalizeRect = function Util_normalizeRect(rect) {
  739. var r = rect.slice(0);
  740. if (rect[0] > rect[2]) {
  741. r[0] = rect[2];
  742. r[2] = rect[0];
  743. }
  744. if (rect[1] > rect[3]) {
  745. r[1] = rect[3];
  746. r[3] = rect[1];
  747. }
  748. return r;
  749. };
  750. Util.intersect = function Util_intersect(rect1, rect2) {
  751. function compare(a, b) {
  752. return a - b;
  753. }
  754. var orderedX = [
  755. rect1[0],
  756. rect1[2],
  757. rect2[0],
  758. rect2[2]
  759. ].sort(compare), orderedY = [
  760. rect1[1],
  761. rect1[3],
  762. rect2[1],
  763. rect2[3]
  764. ].sort(compare), result = [];
  765. rect1 = Util.normalizeRect(rect1);
  766. rect2 = Util.normalizeRect(rect2);
  767. if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
  768. result[0] = orderedX[1];
  769. result[2] = orderedX[2];
  770. } else {
  771. return false;
  772. }
  773. if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
  774. result[1] = orderedY[1];
  775. result[3] = orderedY[2];
  776. } else {
  777. return false;
  778. }
  779. return result;
  780. };
  781. Util.sign = function Util_sign(num) {
  782. return num < 0 ? -1 : 1;
  783. };
  784. var ROMAN_NUMBER_MAP = [
  785. '',
  786. 'C',
  787. 'CC',
  788. 'CCC',
  789. 'CD',
  790. 'D',
  791. 'DC',
  792. 'DCC',
  793. 'DCCC',
  794. 'CM',
  795. '',
  796. 'X',
  797. 'XX',
  798. 'XXX',
  799. 'XL',
  800. 'L',
  801. 'LX',
  802. 'LXX',
  803. 'LXXX',
  804. 'XC',
  805. '',
  806. 'I',
  807. 'II',
  808. 'III',
  809. 'IV',
  810. 'V',
  811. 'VI',
  812. 'VII',
  813. 'VIII',
  814. 'IX'
  815. ];
  816. Util.toRoman = function Util_toRoman(number, lowerCase) {
  817. assert(isInt(number) && number > 0, 'The number should be a positive integer.');
  818. var pos, romanBuf = [];
  819. while (number >= 1000) {
  820. number -= 1000;
  821. romanBuf.push('M');
  822. }
  823. pos = number / 100 | 0;
  824. number %= 100;
  825. romanBuf.push(ROMAN_NUMBER_MAP[pos]);
  826. pos = number / 10 | 0;
  827. number %= 10;
  828. romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
  829. romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
  830. var romanStr = romanBuf.join('');
  831. return lowerCase ? romanStr.toLowerCase() : romanStr;
  832. };
  833. Util.appendToArray = function Util_appendToArray(arr1, arr2) {
  834. Array.prototype.push.apply(arr1, arr2);
  835. };
  836. Util.prependToArray = function Util_prependToArray(arr1, arr2) {
  837. Array.prototype.unshift.apply(arr1, arr2);
  838. };
  839. Util.extendObj = function extendObj(obj1, obj2) {
  840. for (var key in obj2) {
  841. obj1[key] = obj2[key];
  842. }
  843. };
  844. Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) {
  845. while (dict && !dict.has(name)) {
  846. dict = dict.get('Parent');
  847. }
  848. if (!dict) {
  849. return null;
  850. }
  851. return getArray ? dict.getArray(name) : dict.get(name);
  852. };
  853. Util.inherit = function Util_inherit(sub, base, prototype) {
  854. sub.prototype = Object.create(base.prototype);
  855. sub.prototype.constructor = sub;
  856. for (var prop in prototype) {
  857. sub.prototype[prop] = prototype[prop];
  858. }
  859. };
  860. Util.loadScript = function Util_loadScript(src, callback) {
  861. var script = document.createElement('script');
  862. var loaded = false;
  863. script.setAttribute('src', src);
  864. if (callback) {
  865. script.onload = function () {
  866. if (!loaded) {
  867. callback();
  868. }
  869. loaded = true;
  870. };
  871. }
  872. document.getElementsByTagName('head')[0].appendChild(script);
  873. };
  874. return Util;
  875. }();
  876. var PageViewport = function PageViewportClosure() {
  877. function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
  878. this.viewBox = viewBox;
  879. this.scale = scale;
  880. this.rotation = rotation;
  881. this.offsetX = offsetX;
  882. this.offsetY = offsetY;
  883. var centerX = (viewBox[2] + viewBox[0]) / 2;
  884. var centerY = (viewBox[3] + viewBox[1]) / 2;
  885. var rotateA, rotateB, rotateC, rotateD;
  886. rotation = rotation % 360;
  887. rotation = rotation < 0 ? rotation + 360 : rotation;
  888. switch (rotation) {
  889. case 180:
  890. rotateA = -1;
  891. rotateB = 0;
  892. rotateC = 0;
  893. rotateD = 1;
  894. break;
  895. case 90:
  896. rotateA = 0;
  897. rotateB = 1;
  898. rotateC = 1;
  899. rotateD = 0;
  900. break;
  901. case 270:
  902. rotateA = 0;
  903. rotateB = -1;
  904. rotateC = -1;
  905. rotateD = 0;
  906. break;
  907. default:
  908. rotateA = 1;
  909. rotateB = 0;
  910. rotateC = 0;
  911. rotateD = -1;
  912. break;
  913. }
  914. if (dontFlip) {
  915. rotateC = -rotateC;
  916. rotateD = -rotateD;
  917. }
  918. var offsetCanvasX, offsetCanvasY;
  919. var width, height;
  920. if (rotateA === 0) {
  921. offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
  922. offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
  923. width = Math.abs(viewBox[3] - viewBox[1]) * scale;
  924. height = Math.abs(viewBox[2] - viewBox[0]) * scale;
  925. } else {
  926. offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
  927. offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
  928. width = Math.abs(viewBox[2] - viewBox[0]) * scale;
  929. height = Math.abs(viewBox[3] - viewBox[1]) * scale;
  930. }
  931. this.transform = [
  932. rotateA * scale,
  933. rotateB * scale,
  934. rotateC * scale,
  935. rotateD * scale,
  936. offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
  937. offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
  938. ];
  939. this.width = width;
  940. this.height = height;
  941. this.fontScale = scale;
  942. }
  943. PageViewport.prototype = {
  944. clone: function PageViewPort_clone(args) {
  945. args = args || {};
  946. var scale = 'scale' in args ? args.scale : this.scale;
  947. var rotation = 'rotation' in args ? args.rotation : this.rotation;
  948. return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip);
  949. },
  950. convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
  951. return Util.applyTransform([
  952. x,
  953. y
  954. ], this.transform);
  955. },
  956. convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) {
  957. var tl = Util.applyTransform([
  958. rect[0],
  959. rect[1]
  960. ], this.transform);
  961. var br = Util.applyTransform([
  962. rect[2],
  963. rect[3]
  964. ], this.transform);
  965. return [
  966. tl[0],
  967. tl[1],
  968. br[0],
  969. br[1]
  970. ];
  971. },
  972. convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
  973. return Util.applyInverseTransform([
  974. x,
  975. y
  976. ], this.transform);
  977. }
  978. };
  979. return PageViewport;
  980. }();
  981. var PDFStringTranslateTable = [
  982. 0,
  983. 0,
  984. 0,
  985. 0,
  986. 0,
  987. 0,
  988. 0,
  989. 0,
  990. 0,
  991. 0,
  992. 0,
  993. 0,
  994. 0,
  995. 0,
  996. 0,
  997. 0,
  998. 0,
  999. 0,
  1000. 0,
  1001. 0,
  1002. 0,
  1003. 0,
  1004. 0,
  1005. 0,
  1006. 0x2D8,
  1007. 0x2C7,
  1008. 0x2C6,
  1009. 0x2D9,
  1010. 0x2DD,
  1011. 0x2DB,
  1012. 0x2DA,
  1013. 0x2DC,
  1014. 0,
  1015. 0,
  1016. 0,
  1017. 0,
  1018. 0,
  1019. 0,
  1020. 0,
  1021. 0,
  1022. 0,
  1023. 0,
  1024. 0,
  1025. 0,
  1026. 0,
  1027. 0,
  1028. 0,
  1029. 0,
  1030. 0,
  1031. 0,
  1032. 0,
  1033. 0,
  1034. 0,
  1035. 0,
  1036. 0,
  1037. 0,
  1038. 0,
  1039. 0,
  1040. 0,
  1041. 0,
  1042. 0,
  1043. 0,
  1044. 0,
  1045. 0,
  1046. 0,
  1047. 0,
  1048. 0,
  1049. 0,
  1050. 0,
  1051. 0,
  1052. 0,
  1053. 0,
  1054. 0,
  1055. 0,
  1056. 0,
  1057. 0,
  1058. 0,
  1059. 0,
  1060. 0,
  1061. 0,
  1062. 0,
  1063. 0,
  1064. 0,
  1065. 0,
  1066. 0,
  1067. 0,
  1068. 0,
  1069. 0,
  1070. 0,
  1071. 0,
  1072. 0,
  1073. 0,
  1074. 0,
  1075. 0,
  1076. 0,
  1077. 0,
  1078. 0,
  1079. 0,
  1080. 0,
  1081. 0,
  1082. 0,
  1083. 0,
  1084. 0,
  1085. 0,
  1086. 0,
  1087. 0,
  1088. 0,
  1089. 0,
  1090. 0,
  1091. 0,
  1092. 0,
  1093. 0,
  1094. 0,
  1095. 0,
  1096. 0,
  1097. 0,
  1098. 0,
  1099. 0,
  1100. 0,
  1101. 0,
  1102. 0,
  1103. 0,
  1104. 0,
  1105. 0,
  1106. 0,
  1107. 0,
  1108. 0,
  1109. 0,
  1110. 0x2022,
  1111. 0x2020,
  1112. 0x2021,
  1113. 0x2026,
  1114. 0x2014,
  1115. 0x2013,
  1116. 0x192,
  1117. 0x2044,
  1118. 0x2039,
  1119. 0x203A,
  1120. 0x2212,
  1121. 0x2030,
  1122. 0x201E,
  1123. 0x201C,
  1124. 0x201D,
  1125. 0x2018,
  1126. 0x2019,
  1127. 0x201A,
  1128. 0x2122,
  1129. 0xFB01,
  1130. 0xFB02,
  1131. 0x141,
  1132. 0x152,
  1133. 0x160,
  1134. 0x178,
  1135. 0x17D,
  1136. 0x131,
  1137. 0x142,
  1138. 0x153,
  1139. 0x161,
  1140. 0x17E,
  1141. 0,
  1142. 0x20AC
  1143. ];
  1144. function stringToPDFString(str) {
  1145. var i, n = str.length, strBuf = [];
  1146. if (str[0] === '\xFE' && str[1] === '\xFF') {
  1147. for (i = 2; i < n; i += 2) {
  1148. strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
  1149. }
  1150. } else {
  1151. for (i = 0; i < n; ++i) {
  1152. var code = PDFStringTranslateTable[str.charCodeAt(i)];
  1153. strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
  1154. }
  1155. }
  1156. return strBuf.join('');
  1157. }
  1158. function stringToUTF8String(str) {
  1159. return decodeURIComponent(escape(str));
  1160. }
  1161. function utf8StringToString(str) {
  1162. return unescape(encodeURIComponent(str));
  1163. }
  1164. function isEmptyObj(obj) {
  1165. for (var key in obj) {
  1166. return false;
  1167. }
  1168. return true;
  1169. }
  1170. function isBool(v) {
  1171. return typeof v === 'boolean';
  1172. }
  1173. function isInt(v) {
  1174. return typeof v === 'number' && (v | 0) === v;
  1175. }
  1176. function isNum(v) {
  1177. return typeof v === 'number';
  1178. }
  1179. function isString(v) {
  1180. return typeof v === 'string';
  1181. }
  1182. function isArray(v) {
  1183. return v instanceof Array;
  1184. }
  1185. function isArrayBuffer(v) {
  1186. return typeof v === 'object' && v !== null && v.byteLength !== undefined;
  1187. }
  1188. function isSpace(ch) {
  1189. return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
  1190. }
  1191. function isNodeJS() {
  1192. if (typeof __pdfjsdev_webpack__ === 'undefined') {
  1193. return typeof process === 'object' && process + '' === '[object process]';
  1194. }
  1195. return false;
  1196. }
  1197. function createPromiseCapability() {
  1198. var capability = {};
  1199. capability.promise = new Promise(function (resolve, reject) {
  1200. capability.resolve = resolve;
  1201. capability.reject = reject;
  1202. });
  1203. return capability;
  1204. }
  1205. var StatTimer = function StatTimerClosure() {
  1206. function rpad(str, pad, length) {
  1207. while (str.length < length) {
  1208. str += pad;
  1209. }
  1210. return str;
  1211. }
  1212. function StatTimer() {
  1213. this.started = Object.create(null);
  1214. this.times = [];
  1215. this.enabled = true;
  1216. }
  1217. StatTimer.prototype = {
  1218. time: function StatTimer_time(name) {
  1219. if (!this.enabled) {
  1220. return;
  1221. }
  1222. if (name in this.started) {
  1223. warn('Timer is already running for ' + name);
  1224. }
  1225. this.started[name] = Date.now();
  1226. },
  1227. timeEnd: function StatTimer_timeEnd(name) {
  1228. if (!this.enabled) {
  1229. return;
  1230. }
  1231. if (!(name in this.started)) {
  1232. warn('Timer has not been started for ' + name);
  1233. }
  1234. this.times.push({
  1235. 'name': name,
  1236. 'start': this.started[name],
  1237. 'end': Date.now()
  1238. });
  1239. delete this.started[name];
  1240. },
  1241. toString: function StatTimer_toString() {
  1242. var i, ii;
  1243. var times = this.times;
  1244. var out = '';
  1245. var longest = 0;
  1246. for (i = 0, ii = times.length; i < ii; ++i) {
  1247. var name = times[i]['name'];
  1248. if (name.length > longest) {
  1249. longest = name.length;
  1250. }
  1251. }
  1252. for (i = 0, ii = times.length; i < ii; ++i) {
  1253. var span = times[i];
  1254. var duration = span.end - span.start;
  1255. out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
  1256. }
  1257. return out;
  1258. }
  1259. };
  1260. return StatTimer;
  1261. }();
  1262. var createBlob = function createBlob(data, contentType) {
  1263. if (typeof Blob !== 'undefined') {
  1264. return new Blob([data], { type: contentType });
  1265. }
  1266. warn('The "Blob" constructor is not supported.');
  1267. };
  1268. var createObjectURL = function createObjectURLClosure() {
  1269. var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
  1270. return function createObjectURL(data, contentType, forceDataSchema) {
  1271. if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) {
  1272. var blob = createBlob(data, contentType);
  1273. return URL.createObjectURL(blob);
  1274. }
  1275. var buffer = 'data:' + contentType + ';base64,';
  1276. for (var i = 0, ii = data.length; i < ii; i += 3) {
  1277. var b1 = data[i] & 0xFF;
  1278. var b2 = data[i + 1] & 0xFF;
  1279. var b3 = data[i + 2] & 0xFF;
  1280. var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4;
  1281. var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
  1282. var d4 = i + 2 < ii ? b3 & 0x3F : 64;
  1283. buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
  1284. }
  1285. return buffer;
  1286. };
  1287. }();
  1288. function MessageHandler(sourceName, targetName, comObj) {
  1289. this.sourceName = sourceName;
  1290. this.targetName = targetName;
  1291. this.comObj = comObj;
  1292. this.callbackIndex = 1;
  1293. this.postMessageTransfers = true;
  1294. var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
  1295. var ah = this.actionHandler = Object.create(null);
  1296. this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
  1297. var data = event.data;
  1298. if (data.targetName !== this.sourceName) {
  1299. return;
  1300. }
  1301. if (data.isReply) {
  1302. var callbackId = data.callbackId;
  1303. if (data.callbackId in callbacksCapabilities) {
  1304. var callback = callbacksCapabilities[callbackId];
  1305. delete callbacksCapabilities[callbackId];
  1306. if ('error' in data) {
  1307. callback.reject(data.error);
  1308. } else {
  1309. callback.resolve(data.data);
  1310. }
  1311. } else {
  1312. error('Cannot resolve callback ' + callbackId);
  1313. }
  1314. } else if (data.action in ah) {
  1315. var action = ah[data.action];
  1316. if (data.callbackId) {
  1317. var sourceName = this.sourceName;
  1318. var targetName = data.sourceName;
  1319. Promise.resolve().then(function () {
  1320. return action[0].call(action[1], data.data);
  1321. }).then(function (result) {
  1322. comObj.postMessage({
  1323. sourceName: sourceName,
  1324. targetName: targetName,
  1325. isReply: true,
  1326. callbackId: data.callbackId,
  1327. data: result
  1328. });
  1329. }, function (reason) {
  1330. if (reason instanceof Error) {
  1331. reason = reason + '';
  1332. }
  1333. comObj.postMessage({
  1334. sourceName: sourceName,
  1335. targetName: targetName,
  1336. isReply: true,
  1337. callbackId: data.callbackId,
  1338. error: reason
  1339. });
  1340. });
  1341. } else {
  1342. action[0].call(action[1], data.data);
  1343. }
  1344. } else {
  1345. error('Unknown action from worker: ' + data.action);
  1346. }
  1347. }.bind(this);
  1348. comObj.addEventListener('message', this._onComObjOnMessage);
  1349. }
  1350. MessageHandler.prototype = {
  1351. on: function messageHandlerOn(actionName, handler, scope) {
  1352. var ah = this.actionHandler;
  1353. if (ah[actionName]) {
  1354. error('There is already an actionName called "' + actionName + '"');
  1355. }
  1356. ah[actionName] = [
  1357. handler,
  1358. scope
  1359. ];
  1360. },
  1361. send: function messageHandlerSend(actionName, data, transfers) {
  1362. var message = {
  1363. sourceName: this.sourceName,
  1364. targetName: this.targetName,
  1365. action: actionName,
  1366. data: data
  1367. };
  1368. this.postMessage(message, transfers);
  1369. },
  1370. sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) {
  1371. var callbackId = this.callbackIndex++;
  1372. var message = {
  1373. sourceName: this.sourceName,
  1374. targetName: this.targetName,
  1375. action: actionName,
  1376. data: data,
  1377. callbackId: callbackId
  1378. };
  1379. var capability = createPromiseCapability();
  1380. this.callbacksCapabilities[callbackId] = capability;
  1381. try {
  1382. this.postMessage(message, transfers);
  1383. } catch (e) {
  1384. capability.reject(e);
  1385. }
  1386. return capability.promise;
  1387. },
  1388. postMessage: function (message, transfers) {
  1389. if (transfers && this.postMessageTransfers) {
  1390. this.comObj.postMessage(message, transfers);
  1391. } else {
  1392. this.comObj.postMessage(message);
  1393. }
  1394. },
  1395. destroy: function () {
  1396. this.comObj.removeEventListener('message', this._onComObjOnMessage);
  1397. }
  1398. };
  1399. function loadJpegStream(id, imageUrl, objs) {
  1400. var img = new Image();
  1401. img.onload = function loadJpegStream_onloadClosure() {
  1402. objs.resolve(id, img);
  1403. };
  1404. img.onerror = function loadJpegStream_onerrorClosure() {
  1405. objs.resolve(id, null);
  1406. warn('Error during JPEG image loading');
  1407. };
  1408. img.src = imageUrl;
  1409. }
  1410. exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
  1411. exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
  1412. exports.OPS = OPS;
  1413. exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
  1414. exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
  1415. exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
  1416. exports.AnnotationFieldFlag = AnnotationFieldFlag;
  1417. exports.AnnotationFlag = AnnotationFlag;
  1418. exports.AnnotationType = AnnotationType;
  1419. exports.FontType = FontType;
  1420. exports.ImageKind = ImageKind;
  1421. exports.CMapCompressionType = CMapCompressionType;
  1422. exports.InvalidPDFException = InvalidPDFException;
  1423. exports.MessageHandler = MessageHandler;
  1424. exports.MissingDataException = MissingDataException;
  1425. exports.MissingPDFException = MissingPDFException;
  1426. exports.NotImplementedException = NotImplementedException;
  1427. exports.PageViewport = PageViewport;
  1428. exports.PasswordException = PasswordException;
  1429. exports.PasswordResponses = PasswordResponses;
  1430. exports.StatTimer = StatTimer;
  1431. exports.StreamType = StreamType;
  1432. exports.TextRenderingMode = TextRenderingMode;
  1433. exports.UnexpectedResponseException = UnexpectedResponseException;
  1434. exports.UnknownErrorException = UnknownErrorException;
  1435. exports.Util = Util;
  1436. exports.XRefParseException = XRefParseException;
  1437. exports.arrayByteLength = arrayByteLength;
  1438. exports.arraysToBytes = arraysToBytes;
  1439. exports.assert = assert;
  1440. exports.bytesToString = bytesToString;
  1441. exports.createBlob = createBlob;
  1442. exports.createPromiseCapability = createPromiseCapability;
  1443. exports.createObjectURL = createObjectURL;
  1444. exports.deprecated = deprecated;
  1445. exports.error = error;
  1446. exports.getLookupTableFactory = getLookupTableFactory;
  1447. exports.getVerbosityLevel = getVerbosityLevel;
  1448. exports.globalScope = globalScope;
  1449. exports.info = info;
  1450. exports.isArray = isArray;
  1451. exports.isArrayBuffer = isArrayBuffer;
  1452. exports.isBool = isBool;
  1453. exports.isEmptyObj = isEmptyObj;
  1454. exports.isInt = isInt;
  1455. exports.isNum = isNum;
  1456. exports.isString = isString;
  1457. exports.isSpace = isSpace;
  1458. exports.isNodeJS = isNodeJS;
  1459. exports.isSameOrigin = isSameOrigin;
  1460. exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
  1461. exports.isLittleEndian = isLittleEndian;
  1462. exports.isEvalSupported = isEvalSupported;
  1463. exports.loadJpegStream = loadJpegStream;
  1464. exports.log2 = log2;
  1465. exports.readInt8 = readInt8;
  1466. exports.readUint16 = readUint16;
  1467. exports.readUint32 = readUint32;
  1468. exports.removeNullCharacters = removeNullCharacters;
  1469. exports.setVerbosityLevel = setVerbosityLevel;
  1470. exports.shadow = shadow;
  1471. exports.string32 = string32;
  1472. exports.stringToBytes = stringToBytes;
  1473. exports.stringToPDFString = stringToPDFString;
  1474. exports.stringToUTF8String = stringToUTF8String;
  1475. exports.utf8StringToString = utf8StringToString;
  1476. exports.warn = warn;
  1477. /* WEBPACK VAR INJECTION */}.call(exports, __w_pdfjs_require__(6)))
  1478. /***/ }),
  1479. /* 1 */
  1480. /***/ (function(module, exports, __w_pdfjs_require__) {
  1481. "use strict";
  1482. var sharedUtil = __w_pdfjs_require__(0);
  1483. var assert = sharedUtil.assert;
  1484. var removeNullCharacters = sharedUtil.removeNullCharacters;
  1485. var warn = sharedUtil.warn;
  1486. var deprecated = sharedUtil.deprecated;
  1487. var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl;
  1488. var stringToBytes = sharedUtil.stringToBytes;
  1489. var CMapCompressionType = sharedUtil.CMapCompressionType;
  1490. var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
  1491. function DOMCanvasFactory() {
  1492. }
  1493. DOMCanvasFactory.prototype = {
  1494. create: function DOMCanvasFactory_create(width, height) {
  1495. assert(width > 0 && height > 0, 'invalid canvas size');
  1496. var canvas = document.createElement('canvas');
  1497. var context = canvas.getContext('2d');
  1498. canvas.width = width;
  1499. canvas.height = height;
  1500. return {
  1501. canvas: canvas,
  1502. context: context
  1503. };
  1504. },
  1505. reset: function DOMCanvasFactory_reset(canvasAndContextPair, width, height) {
  1506. assert(canvasAndContextPair.canvas, 'canvas is not specified');
  1507. assert(width > 0 && height > 0, 'invalid canvas size');
  1508. canvasAndContextPair.canvas.width = width;
  1509. canvasAndContextPair.canvas.height = height;
  1510. },
  1511. destroy: function DOMCanvasFactory_destroy(canvasAndContextPair) {
  1512. assert(canvasAndContextPair.canvas, 'canvas is not specified');
  1513. canvasAndContextPair.canvas.width = 0;
  1514. canvasAndContextPair.canvas.height = 0;
  1515. canvasAndContextPair.canvas = null;
  1516. canvasAndContextPair.context = null;
  1517. }
  1518. };
  1519. var DOMCMapReaderFactory = function DOMCMapReaderFactoryClosure() {
  1520. function DOMCMapReaderFactory(params) {
  1521. this.baseUrl = params.baseUrl || null;
  1522. this.isCompressed = params.isCompressed || false;
  1523. }
  1524. DOMCMapReaderFactory.prototype = {
  1525. fetch: function (params) {
  1526. if (!params.name) {
  1527. return Promise.reject(new Error('CMap name must be specified.'));
  1528. }
  1529. return new Promise(function (resolve, reject) {
  1530. var url = this.baseUrl + params.name;
  1531. var request = new XMLHttpRequest();
  1532. if (this.isCompressed) {
  1533. url += '.bcmap';
  1534. request.responseType = 'arraybuffer';
  1535. }
  1536. request.onreadystatechange = function () {
  1537. if (request.readyState === XMLHttpRequest.DONE && (request.status === 200 || request.status === 0)) {
  1538. var data;
  1539. if (this.isCompressed && request.response) {
  1540. data = new Uint8Array(request.response);
  1541. } else if (!this.isCompressed && request.responseText) {
  1542. data = stringToBytes(request.responseText);
  1543. }
  1544. if (data) {
  1545. resolve({
  1546. cMapData: data,
  1547. compressionType: this.isCompressed ? CMapCompressionType.BINARY : CMapCompressionType.NONE
  1548. });
  1549. return;
  1550. }
  1551. reject(new Error('Unable to load ' + (this.isCompressed ? 'binary' : '') + ' CMap at: ' + url));
  1552. }
  1553. }.bind(this);
  1554. request.open('GET', url, true);
  1555. request.send(null);
  1556. }.bind(this));
  1557. }
  1558. };
  1559. return DOMCMapReaderFactory;
  1560. }();
  1561. var CustomStyle = function CustomStyleClosure() {
  1562. var prefixes = [
  1563. 'ms',
  1564. 'Moz',
  1565. 'Webkit',
  1566. 'O'
  1567. ];
  1568. var _cache = Object.create(null);
  1569. function CustomStyle() {
  1570. }
  1571. CustomStyle.getProp = function get(propName, element) {
  1572. if (arguments.length === 1 && typeof _cache[propName] === 'string') {
  1573. return _cache[propName];
  1574. }
  1575. element = element || document.documentElement;
  1576. var style = element.style, prefixed, uPropName;
  1577. if (typeof style[propName] === 'string') {
  1578. return _cache[propName] = propName;
  1579. }
  1580. uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
  1581. for (var i = 0, l = prefixes.length; i < l; i++) {
  1582. prefixed = prefixes[i] + uPropName;
  1583. if (typeof style[prefixed] === 'string') {
  1584. return _cache[propName] = prefixed;
  1585. }
  1586. }
  1587. return _cache[propName] = 'undefined';
  1588. };
  1589. CustomStyle.setProp = function set(propName, element, str) {
  1590. var prop = this.getProp(propName);
  1591. if (prop !== 'undefined') {
  1592. element.style[prop] = str;
  1593. }
  1594. };
  1595. return CustomStyle;
  1596. }();
  1597. var hasCanvasTypedArrays;
  1598. hasCanvasTypedArrays = function hasCanvasTypedArrays() {
  1599. var canvas = document.createElement('canvas');
  1600. canvas.width = canvas.height = 1;
  1601. var ctx = canvas.getContext('2d');
  1602. var imageData = ctx.createImageData(1, 1);
  1603. return typeof imageData.data.buffer !== 'undefined';
  1604. };
  1605. var LinkTarget = {
  1606. NONE: 0,
  1607. SELF: 1,
  1608. BLANK: 2,
  1609. PARENT: 3,
  1610. TOP: 4
  1611. };
  1612. var LinkTargetStringMap = [
  1613. '',
  1614. '_self',
  1615. '_blank',
  1616. '_parent',
  1617. '_top'
  1618. ];
  1619. function addLinkAttributes(link, params) {
  1620. var url = params && params.url;
  1621. link.href = link.title = url ? removeNullCharacters(url) : '';
  1622. if (url) {
  1623. var target = params.target;
  1624. if (typeof target === 'undefined') {
  1625. target = getDefaultSetting('externalLinkTarget');
  1626. }
  1627. link.target = LinkTargetStringMap[target];
  1628. var rel = params.rel;
  1629. if (typeof rel === 'undefined') {
  1630. rel = getDefaultSetting('externalLinkRel');
  1631. }
  1632. link.rel = rel;
  1633. }
  1634. }
  1635. function getFilenameFromUrl(url) {
  1636. var anchor = url.indexOf('#');
  1637. var query = url.indexOf('?');
  1638. var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
  1639. return url.substring(url.lastIndexOf('/', end) + 1, end);
  1640. }
  1641. function getDefaultSetting(id) {
  1642. var globalSettings = sharedUtil.globalScope.PDFJS;
  1643. switch (id) {
  1644. case 'pdfBug':
  1645. return globalSettings ? globalSettings.pdfBug : false;
  1646. case 'disableAutoFetch':
  1647. return globalSettings ? globalSettings.disableAutoFetch : false;
  1648. case 'disableStream':
  1649. return globalSettings ? globalSettings.disableStream : false;
  1650. case 'disableRange':
  1651. return globalSettings ? globalSettings.disableRange : false;
  1652. case 'disableFontFace':
  1653. return globalSettings ? globalSettings.disableFontFace : false;
  1654. case 'disableCreateObjectURL':
  1655. return globalSettings ? globalSettings.disableCreateObjectURL : false;
  1656. case 'disableWebGL':
  1657. return globalSettings ? globalSettings.disableWebGL : true;
  1658. case 'cMapUrl':
  1659. return globalSettings ? globalSettings.cMapUrl : null;
  1660. case 'cMapPacked':
  1661. return globalSettings ? globalSettings.cMapPacked : false;
  1662. case 'postMessageTransfers':
  1663. return globalSettings ? globalSettings.postMessageTransfers : true;
  1664. case 'workerSrc':
  1665. return globalSettings ? globalSettings.workerSrc : null;
  1666. case 'disableWorker':
  1667. return globalSettings ? globalSettings.disableWorker : false;
  1668. case 'maxImageSize':
  1669. return globalSettings ? globalSettings.maxImageSize : -1;
  1670. case 'imageResourcesPath':
  1671. return globalSettings ? globalSettings.imageResourcesPath : '';
  1672. case 'isEvalSupported':
  1673. return globalSettings ? globalSettings.isEvalSupported : true;
  1674. case 'externalLinkTarget':
  1675. if (!globalSettings) {
  1676. return LinkTarget.NONE;
  1677. }
  1678. switch (globalSettings.externalLinkTarget) {
  1679. case LinkTarget.NONE:
  1680. case LinkTarget.SELF:
  1681. case LinkTarget.BLANK:
  1682. case LinkTarget.PARENT:
  1683. case LinkTarget.TOP:
  1684. return globalSettings.externalLinkTarget;
  1685. }
  1686. warn('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
  1687. globalSettings.externalLinkTarget = LinkTarget.NONE;
  1688. return LinkTarget.NONE;
  1689. case 'externalLinkRel':
  1690. return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;
  1691. case 'enableStats':
  1692. return !!(globalSettings && globalSettings.enableStats);
  1693. default:
  1694. throw new Error('Unknown default setting: ' + id);
  1695. }
  1696. }
  1697. function isExternalLinkTargetSet() {
  1698. var externalLinkTarget = getDefaultSetting('externalLinkTarget');
  1699. switch (externalLinkTarget) {
  1700. case LinkTarget.NONE:
  1701. return false;
  1702. case LinkTarget.SELF:
  1703. case LinkTarget.BLANK:
  1704. case LinkTarget.PARENT:
  1705. case LinkTarget.TOP:
  1706. return true;
  1707. }
  1708. }
  1709. function isValidUrl(url, allowRelative) {
  1710. deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.');
  1711. var baseUrl = allowRelative ? 'http://example.com' : null;
  1712. return createValidAbsoluteUrl(url, baseUrl) !== null;
  1713. }
  1714. exports.CustomStyle = CustomStyle;
  1715. exports.addLinkAttributes = addLinkAttributes;
  1716. exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
  1717. exports.isValidUrl = isValidUrl;
  1718. exports.getFilenameFromUrl = getFilenameFromUrl;
  1719. exports.LinkTarget = LinkTarget;
  1720. exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
  1721. exports.getDefaultSetting = getDefaultSetting;
  1722. exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
  1723. exports.DOMCanvasFactory = DOMCanvasFactory;
  1724. exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
  1725. /***/ }),
  1726. /* 2 */
  1727. /***/ (function(module, exports, __w_pdfjs_require__) {
  1728. "use strict";
  1729. var sharedUtil = __w_pdfjs_require__(0);
  1730. var displayDOMUtils = __w_pdfjs_require__(1);
  1731. var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
  1732. var AnnotationType = sharedUtil.AnnotationType;
  1733. var stringToPDFString = sharedUtil.stringToPDFString;
  1734. var Util = sharedUtil.Util;
  1735. var addLinkAttributes = displayDOMUtils.addLinkAttributes;
  1736. var LinkTarget = displayDOMUtils.LinkTarget;
  1737. var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
  1738. var warn = sharedUtil.warn;
  1739. var CustomStyle = displayDOMUtils.CustomStyle;
  1740. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  1741. function AnnotationElementFactory() {
  1742. }
  1743. AnnotationElementFactory.prototype = {
  1744. create: function AnnotationElementFactory_create(parameters) {
  1745. var subtype = parameters.data.annotationType;
  1746. switch (subtype) {
  1747. case AnnotationType.LINK:
  1748. return new LinkAnnotationElement(parameters);
  1749. case AnnotationType.TEXT:
  1750. return new TextAnnotationElement(parameters);
  1751. case AnnotationType.WIDGET:
  1752. var fieldType = parameters.data.fieldType;
  1753. switch (fieldType) {
  1754. case 'Tx':
  1755. return new TextWidgetAnnotationElement(parameters);
  1756. case 'Btn':
  1757. if (parameters.data.radioButton) {
  1758. return new RadioButtonWidgetAnnotationElement(parameters);
  1759. } else if (parameters.data.checkBox) {
  1760. return new CheckboxWidgetAnnotationElement(parameters);
  1761. }
  1762. warn('Unimplemented button widget annotation: pushbutton');
  1763. break;
  1764. case 'Ch':
  1765. return new ChoiceWidgetAnnotationElement(parameters);
  1766. }
  1767. return new WidgetAnnotationElement(parameters);
  1768. case AnnotationType.POPUP:
  1769. return new PopupAnnotationElement(parameters);
  1770. case AnnotationType.HIGHLIGHT:
  1771. return new HighlightAnnotationElement(parameters);
  1772. case AnnotationType.UNDERLINE:
  1773. return new UnderlineAnnotationElement(parameters);
  1774. case AnnotationType.SQUIGGLY:
  1775. return new SquigglyAnnotationElement(parameters);
  1776. case AnnotationType.STRIKEOUT:
  1777. return new StrikeOutAnnotationElement(parameters);
  1778. case AnnotationType.FILEATTACHMENT:
  1779. return new FileAttachmentAnnotationElement(parameters);
  1780. default:
  1781. return new AnnotationElement(parameters);
  1782. }
  1783. }
  1784. };
  1785. var AnnotationElement = function AnnotationElementClosure() {
  1786. function AnnotationElement(parameters, isRenderable) {
  1787. this.isRenderable = isRenderable || false;
  1788. this.data = parameters.data;
  1789. this.layer = parameters.layer;
  1790. this.page = parameters.page;
  1791. this.viewport = parameters.viewport;
  1792. this.linkService = parameters.linkService;
  1793. this.downloadManager = parameters.downloadManager;
  1794. this.imageResourcesPath = parameters.imageResourcesPath;
  1795. this.renderInteractiveForms = parameters.renderInteractiveForms;
  1796. if (isRenderable) {
  1797. this.container = this._createContainer();
  1798. }
  1799. }
  1800. AnnotationElement.prototype = {
  1801. _createContainer: function AnnotationElement_createContainer() {
  1802. var data = this.data, page = this.page, viewport = this.viewport;
  1803. var container = document.createElement('section');
  1804. var width = data.rect[2] - data.rect[0];
  1805. var height = data.rect[3] - data.rect[1];
  1806. container.setAttribute('data-annotation-id', data.id);
  1807. var rect = Util.normalizeRect([
  1808. data.rect[0],
  1809. page.view[3] - data.rect[1] + page.view[1],
  1810. data.rect[2],
  1811. page.view[3] - data.rect[3] + page.view[1]
  1812. ]);
  1813. CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')');
  1814. CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px');
  1815. if (data.borderStyle.width > 0) {
  1816. container.style.borderWidth = data.borderStyle.width + 'px';
  1817. if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {
  1818. width = width - 2 * data.borderStyle.width;
  1819. height = height - 2 * data.borderStyle.width;
  1820. }
  1821. var horizontalRadius = data.borderStyle.horizontalCornerRadius;
  1822. var verticalRadius = data.borderStyle.verticalCornerRadius;
  1823. if (horizontalRadius > 0 || verticalRadius > 0) {
  1824. var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
  1825. CustomStyle.setProp('borderRadius', container, radius);
  1826. }
  1827. switch (data.borderStyle.style) {
  1828. case AnnotationBorderStyleType.SOLID:
  1829. container.style.borderStyle = 'solid';
  1830. break;
  1831. case AnnotationBorderStyleType.DASHED:
  1832. container.style.borderStyle = 'dashed';
  1833. break;
  1834. case AnnotationBorderStyleType.BEVELED:
  1835. warn('Unimplemented border style: beveled');
  1836. break;
  1837. case AnnotationBorderStyleType.INSET:
  1838. warn('Unimplemented border style: inset');
  1839. break;
  1840. case AnnotationBorderStyleType.UNDERLINE:
  1841. container.style.borderBottomStyle = 'solid';
  1842. break;
  1843. default:
  1844. break;
  1845. }
  1846. if (data.color) {
  1847. container.style.borderColor = Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
  1848. } else {
  1849. container.style.borderWidth = 0;
  1850. }
  1851. }
  1852. container.style.left = rect[0] + 'px';
  1853. container.style.top = rect[1] + 'px';
  1854. container.style.width = width + 'px';
  1855. container.style.height = height + 'px';
  1856. return container;
  1857. },
  1858. _createPopup: function AnnotationElement_createPopup(container, trigger, data) {
  1859. if (!trigger) {
  1860. trigger = document.createElement('div');
  1861. trigger.style.height = container.style.height;
  1862. trigger.style.width = container.style.width;
  1863. container.appendChild(trigger);
  1864. }
  1865. var popupElement = new PopupElement({
  1866. container: container,
  1867. trigger: trigger,
  1868. color: data.color,
  1869. title: data.title,
  1870. contents: data.contents,
  1871. hideWrapper: true
  1872. });
  1873. var popup = popupElement.render();
  1874. popup.style.left = container.style.width;
  1875. container.appendChild(popup);
  1876. },
  1877. render: function AnnotationElement_render() {
  1878. throw new Error('Abstract method AnnotationElement.render called');
  1879. }
  1880. };
  1881. return AnnotationElement;
  1882. }();
  1883. var LinkAnnotationElement = function LinkAnnotationElementClosure() {
  1884. function LinkAnnotationElement(parameters) {
  1885. AnnotationElement.call(this, parameters, true);
  1886. }
  1887. Util.inherit(LinkAnnotationElement, AnnotationElement, {
  1888. render: function LinkAnnotationElement_render() {
  1889. this.container.className = 'linkAnnotation';
  1890. var link = document.createElement('a');
  1891. addLinkAttributes(link, {
  1892. url: this.data.url,
  1893. target: this.data.newWindow ? LinkTarget.BLANK : undefined
  1894. });
  1895. if (!this.data.url) {
  1896. if (this.data.action) {
  1897. this._bindNamedAction(link, this.data.action);
  1898. } else {
  1899. this._bindLink(link, this.data.dest);
  1900. }
  1901. }
  1902. this.container.appendChild(link);
  1903. return this.container;
  1904. },
  1905. _bindLink: function LinkAnnotationElement_bindLink(link, destination) {
  1906. var self = this;
  1907. link.href = this.linkService.getDestinationHash(destination);
  1908. link.onclick = function () {
  1909. if (destination) {
  1910. self.linkService.navigateTo(destination);
  1911. }
  1912. return false;
  1913. };
  1914. if (destination) {
  1915. link.className = 'internalLink';
  1916. }
  1917. },
  1918. _bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) {
  1919. var self = this;
  1920. link.href = this.linkService.getAnchorUrl('');
  1921. link.onclick = function () {
  1922. self.linkService.executeNamedAction(action);
  1923. return false;
  1924. };
  1925. link.className = 'internalLink';
  1926. }
  1927. });
  1928. return LinkAnnotationElement;
  1929. }();
  1930. var TextAnnotationElement = function TextAnnotationElementClosure() {
  1931. function TextAnnotationElement(parameters) {
  1932. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  1933. AnnotationElement.call(this, parameters, isRenderable);
  1934. }
  1935. Util.inherit(TextAnnotationElement, AnnotationElement, {
  1936. render: function TextAnnotationElement_render() {
  1937. this.container.className = 'textAnnotation';
  1938. var image = document.createElement('img');
  1939. image.style.height = this.container.style.height;
  1940. image.style.width = this.container.style.width;
  1941. image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
  1942. image.alt = '[{{type}} Annotation]';
  1943. image.dataset.l10nId = 'text_annotation_type';
  1944. image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });
  1945. if (!this.data.hasPopup) {
  1946. this._createPopup(this.container, image, this.data);
  1947. }
  1948. this.container.appendChild(image);
  1949. return this.container;
  1950. }
  1951. });
  1952. return TextAnnotationElement;
  1953. }();
  1954. var WidgetAnnotationElement = function WidgetAnnotationElementClosure() {
  1955. function WidgetAnnotationElement(parameters, isRenderable) {
  1956. AnnotationElement.call(this, parameters, isRenderable);
  1957. }
  1958. Util.inherit(WidgetAnnotationElement, AnnotationElement, {
  1959. render: function WidgetAnnotationElement_render() {
  1960. return this.container;
  1961. }
  1962. });
  1963. return WidgetAnnotationElement;
  1964. }();
  1965. var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() {
  1966. var TEXT_ALIGNMENT = [
  1967. 'left',
  1968. 'center',
  1969. 'right'
  1970. ];
  1971. function TextWidgetAnnotationElement(parameters) {
  1972. var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
  1973. WidgetAnnotationElement.call(this, parameters, isRenderable);
  1974. }
  1975. Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
  1976. render: function TextWidgetAnnotationElement_render() {
  1977. this.container.className = 'textWidgetAnnotation';
  1978. var element = null;
  1979. if (this.renderInteractiveForms) {
  1980. if (this.data.multiLine) {
  1981. element = document.createElement('textarea');
  1982. element.textContent = this.data.fieldValue;
  1983. } else {
  1984. element = document.createElement('input');
  1985. element.type = 'text';
  1986. element.setAttribute('value', this.data.fieldValue);
  1987. }
  1988. element.disabled = this.data.readOnly;
  1989. if (this.data.maxLen !== null) {
  1990. element.maxLength = this.data.maxLen;
  1991. }
  1992. if (this.data.comb) {
  1993. var fieldWidth = this.data.rect[2] - this.data.rect[0];
  1994. var combWidth = fieldWidth / this.data.maxLen;
  1995. element.classList.add('comb');
  1996. element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
  1997. }
  1998. } else {
  1999. element = document.createElement('div');
  2000. element.textContent = this.data.fieldValue;
  2001. element.style.verticalAlign = 'middle';
  2002. element.style.display = 'table-cell';
  2003. var font = null;
  2004. if (this.data.fontRefName) {
  2005. font = this.page.commonObjs.getData(this.data.fontRefName);
  2006. }
  2007. this._setTextStyle(element, font);
  2008. }
  2009. if (this.data.textAlignment !== null) {
  2010. element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
  2011. }
  2012. this.container.appendChild(element);
  2013. return this.container;
  2014. },
  2015. _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) {
  2016. var style = element.style;
  2017. style.fontSize = this.data.fontSize + 'px';
  2018. style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
  2019. if (!font) {
  2020. return;
  2021. }
  2022. style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
  2023. style.fontStyle = font.italic ? 'italic' : 'normal';
  2024. var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
  2025. var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
  2026. style.fontFamily = fontFamily + fallbackName;
  2027. }
  2028. });
  2029. return TextWidgetAnnotationElement;
  2030. }();
  2031. var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() {
  2032. function CheckboxWidgetAnnotationElement(parameters) {
  2033. WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
  2034. }
  2035. Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {
  2036. render: function CheckboxWidgetAnnotationElement_render() {
  2037. this.container.className = 'buttonWidgetAnnotation checkBox';
  2038. var element = document.createElement('input');
  2039. element.disabled = this.data.readOnly;
  2040. element.type = 'checkbox';
  2041. if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
  2042. element.setAttribute('checked', true);
  2043. }
  2044. this.container.appendChild(element);
  2045. return this.container;
  2046. }
  2047. });
  2048. return CheckboxWidgetAnnotationElement;
  2049. }();
  2050. var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() {
  2051. function RadioButtonWidgetAnnotationElement(parameters) {
  2052. WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
  2053. }
  2054. Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {
  2055. render: function RadioButtonWidgetAnnotationElement_render() {
  2056. this.container.className = 'buttonWidgetAnnotation radioButton';
  2057. var element = document.createElement('input');
  2058. element.disabled = this.data.readOnly;
  2059. element.type = 'radio';
  2060. element.name = this.data.fieldName;
  2061. if (this.data.fieldValue === this.data.buttonValue) {
  2062. element.setAttribute('checked', true);
  2063. }
  2064. this.container.appendChild(element);
  2065. return this.container;
  2066. }
  2067. });
  2068. return RadioButtonWidgetAnnotationElement;
  2069. }();
  2070. var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() {
  2071. function ChoiceWidgetAnnotationElement(parameters) {
  2072. WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
  2073. }
  2074. Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
  2075. render: function ChoiceWidgetAnnotationElement_render() {
  2076. this.container.className = 'choiceWidgetAnnotation';
  2077. var selectElement = document.createElement('select');
  2078. selectElement.disabled = this.data.readOnly;
  2079. if (!this.data.combo) {
  2080. selectElement.size = this.data.options.length;
  2081. if (this.data.multiSelect) {
  2082. selectElement.multiple = true;
  2083. }
  2084. }
  2085. for (var i = 0, ii = this.data.options.length; i < ii; i++) {
  2086. var option = this.data.options[i];
  2087. var optionElement = document.createElement('option');
  2088. optionElement.textContent = option.displayValue;
  2089. optionElement.value = option.exportValue;
  2090. if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
  2091. optionElement.setAttribute('selected', true);
  2092. }
  2093. selectElement.appendChild(optionElement);
  2094. }
  2095. this.container.appendChild(selectElement);
  2096. return this.container;
  2097. }
  2098. });
  2099. return ChoiceWidgetAnnotationElement;
  2100. }();
  2101. var PopupAnnotationElement = function PopupAnnotationElementClosure() {
  2102. function PopupAnnotationElement(parameters) {
  2103. var isRenderable = !!(parameters.data.title || parameters.data.contents);
  2104. AnnotationElement.call(this, parameters, isRenderable);
  2105. }
  2106. Util.inherit(PopupAnnotationElement, AnnotationElement, {
  2107. render: function PopupAnnotationElement_render() {
  2108. this.container.className = 'popupAnnotation';
  2109. var selector = '[data-annotation-id="' + this.data.parentId + '"]';
  2110. var parentElement = this.layer.querySelector(selector);
  2111. if (!parentElement) {
  2112. return this.container;
  2113. }
  2114. var popup = new PopupElement({
  2115. container: this.container,
  2116. trigger: parentElement,
  2117. color: this.data.color,
  2118. title: this.data.title,
  2119. contents: this.data.contents
  2120. });
  2121. var parentLeft = parseFloat(parentElement.style.left);
  2122. var parentWidth = parseFloat(parentElement.style.width);
  2123. CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top);
  2124. this.container.style.left = parentLeft + parentWidth + 'px';
  2125. this.container.appendChild(popup.render());
  2126. return this.container;
  2127. }
  2128. });
  2129. return PopupAnnotationElement;
  2130. }();
  2131. var PopupElement = function PopupElementClosure() {
  2132. var BACKGROUND_ENLIGHT = 0.7;
  2133. function PopupElement(parameters) {
  2134. this.container = parameters.container;
  2135. this.trigger = parameters.trigger;
  2136. this.color = parameters.color;
  2137. this.title = parameters.title;
  2138. this.contents = parameters.contents;
  2139. this.hideWrapper = parameters.hideWrapper || false;
  2140. this.pinned = false;
  2141. }
  2142. PopupElement.prototype = {
  2143. render: function PopupElement_render() {
  2144. var wrapper = document.createElement('div');
  2145. wrapper.className = 'popupWrapper';
  2146. this.hideElement = this.hideWrapper ? wrapper : this.container;
  2147. this.hideElement.setAttribute('hidden', true);
  2148. var popup = document.createElement('div');
  2149. popup.className = 'popup';
  2150. var color = this.color;
  2151. if (color) {
  2152. var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
  2153. var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
  2154. var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
  2155. popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);
  2156. }
  2157. var contents = this._formatContents(this.contents);
  2158. var title = document.createElement('h1');
  2159. title.textContent = this.title;
  2160. this.trigger.addEventListener('click', this._toggle.bind(this));
  2161. this.trigger.addEventListener('mouseover', this._show.bind(this, false));
  2162. this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
  2163. popup.addEventListener('click', this._hide.bind(this, true));
  2164. popup.appendChild(title);
  2165. popup.appendChild(contents);
  2166. wrapper.appendChild(popup);
  2167. return wrapper;
  2168. },
  2169. _formatContents: function PopupElement_formatContents(contents) {
  2170. var p = document.createElement('p');
  2171. var lines = contents.split(/(?:\r\n?|\n)/);
  2172. for (var i = 0, ii = lines.length; i < ii; ++i) {
  2173. var line = lines[i];
  2174. p.appendChild(document.createTextNode(line));
  2175. if (i < ii - 1) {
  2176. p.appendChild(document.createElement('br'));
  2177. }
  2178. }
  2179. return p;
  2180. },
  2181. _toggle: function PopupElement_toggle() {
  2182. if (this.pinned) {
  2183. this._hide(true);
  2184. } else {
  2185. this._show(true);
  2186. }
  2187. },
  2188. _show: function PopupElement_show(pin) {
  2189. if (pin) {
  2190. this.pinned = true;
  2191. }
  2192. if (this.hideElement.hasAttribute('hidden')) {
  2193. this.hideElement.removeAttribute('hidden');
  2194. this.container.style.zIndex += 1;
  2195. }
  2196. },
  2197. _hide: function PopupElement_hide(unpin) {
  2198. if (unpin) {
  2199. this.pinned = false;
  2200. }
  2201. if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
  2202. this.hideElement.setAttribute('hidden', true);
  2203. this.container.style.zIndex -= 1;
  2204. }
  2205. }
  2206. };
  2207. return PopupElement;
  2208. }();
  2209. var HighlightAnnotationElement = function HighlightAnnotationElementClosure() {
  2210. function HighlightAnnotationElement(parameters) {
  2211. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  2212. AnnotationElement.call(this, parameters, isRenderable);
  2213. }
  2214. Util.inherit(HighlightAnnotationElement, AnnotationElement, {
  2215. render: function HighlightAnnotationElement_render() {
  2216. this.container.className = 'highlightAnnotation';
  2217. if (!this.data.hasPopup) {
  2218. this._createPopup(this.container, null, this.data);
  2219. }
  2220. return this.container;
  2221. }
  2222. });
  2223. return HighlightAnnotationElement;
  2224. }();
  2225. var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() {
  2226. function UnderlineAnnotationElement(parameters) {
  2227. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  2228. AnnotationElement.call(this, parameters, isRenderable);
  2229. }
  2230. Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
  2231. render: function UnderlineAnnotationElement_render() {
  2232. this.container.className = 'underlineAnnotation';
  2233. if (!this.data.hasPopup) {
  2234. this._createPopup(this.container, null, this.data);
  2235. }
  2236. return this.container;
  2237. }
  2238. });
  2239. return UnderlineAnnotationElement;
  2240. }();
  2241. var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() {
  2242. function SquigglyAnnotationElement(parameters) {
  2243. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  2244. AnnotationElement.call(this, parameters, isRenderable);
  2245. }
  2246. Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
  2247. render: function SquigglyAnnotationElement_render() {
  2248. this.container.className = 'squigglyAnnotation';
  2249. if (!this.data.hasPopup) {
  2250. this._createPopup(this.container, null, this.data);
  2251. }
  2252. return this.container;
  2253. }
  2254. });
  2255. return SquigglyAnnotationElement;
  2256. }();
  2257. var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() {
  2258. function StrikeOutAnnotationElement(parameters) {
  2259. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  2260. AnnotationElement.call(this, parameters, isRenderable);
  2261. }
  2262. Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
  2263. render: function StrikeOutAnnotationElement_render() {
  2264. this.container.className = 'strikeoutAnnotation';
  2265. if (!this.data.hasPopup) {
  2266. this._createPopup(this.container, null, this.data);
  2267. }
  2268. return this.container;
  2269. }
  2270. });
  2271. return StrikeOutAnnotationElement;
  2272. }();
  2273. var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() {
  2274. function FileAttachmentAnnotationElement(parameters) {
  2275. AnnotationElement.call(this, parameters, true);
  2276. var file = this.data.file;
  2277. this.filename = getFilenameFromUrl(file.filename);
  2278. this.content = file.content;
  2279. this.linkService.onFileAttachmentAnnotation({
  2280. id: stringToPDFString(file.filename),
  2281. filename: file.filename,
  2282. content: file.content
  2283. });
  2284. }
  2285. Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
  2286. render: function FileAttachmentAnnotationElement_render() {
  2287. this.container.className = 'fileAttachmentAnnotation';
  2288. var trigger = document.createElement('div');
  2289. trigger.style.height = this.container.style.height;
  2290. trigger.style.width = this.container.style.width;
  2291. trigger.addEventListener('dblclick', this._download.bind(this));
  2292. if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
  2293. this._createPopup(this.container, trigger, this.data);
  2294. }
  2295. this.container.appendChild(trigger);
  2296. return this.container;
  2297. },
  2298. _download: function FileAttachmentAnnotationElement_download() {
  2299. if (!this.downloadManager) {
  2300. warn('Download cannot be started due to unavailable download manager');
  2301. return;
  2302. }
  2303. this.downloadManager.downloadData(this.content, this.filename, '');
  2304. }
  2305. });
  2306. return FileAttachmentAnnotationElement;
  2307. }();
  2308. var AnnotationLayer = function AnnotationLayerClosure() {
  2309. return {
  2310. render: function AnnotationLayer_render(parameters) {
  2311. var annotationElementFactory = new AnnotationElementFactory();
  2312. for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
  2313. var data = parameters.annotations[i];
  2314. if (!data) {
  2315. continue;
  2316. }
  2317. var element = annotationElementFactory.create({
  2318. data: data,
  2319. layer: parameters.div,
  2320. page: parameters.page,
  2321. viewport: parameters.viewport,
  2322. linkService: parameters.linkService,
  2323. downloadManager: parameters.downloadManager,
  2324. imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'),
  2325. renderInteractiveForms: parameters.renderInteractiveForms || false
  2326. });
  2327. if (element.isRenderable) {
  2328. parameters.div.appendChild(element.render());
  2329. }
  2330. }
  2331. },
  2332. update: function AnnotationLayer_update(parameters) {
  2333. for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
  2334. var data = parameters.annotations[i];
  2335. var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
  2336. if (element) {
  2337. CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')');
  2338. }
  2339. }
  2340. parameters.div.removeAttribute('hidden');
  2341. }
  2342. };
  2343. }();
  2344. exports.AnnotationLayer = AnnotationLayer;
  2345. /***/ }),
  2346. /* 3 */
  2347. /***/ (function(module, exports, __w_pdfjs_require__) {
  2348. "use strict";
  2349. var sharedUtil = __w_pdfjs_require__(0);
  2350. var displayFontLoader = __w_pdfjs_require__(11);
  2351. var displayCanvas = __w_pdfjs_require__(10);
  2352. var displayMetadata = __w_pdfjs_require__(7);
  2353. var displayDOMUtils = __w_pdfjs_require__(1);
  2354. var amdRequire;
  2355. var InvalidPDFException = sharedUtil.InvalidPDFException;
  2356. var MessageHandler = sharedUtil.MessageHandler;
  2357. var MissingPDFException = sharedUtil.MissingPDFException;
  2358. var PageViewport = sharedUtil.PageViewport;
  2359. var PasswordException = sharedUtil.PasswordException;
  2360. var StatTimer = sharedUtil.StatTimer;
  2361. var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
  2362. var UnknownErrorException = sharedUtil.UnknownErrorException;
  2363. var Util = sharedUtil.Util;
  2364. var createPromiseCapability = sharedUtil.createPromiseCapability;
  2365. var error = sharedUtil.error;
  2366. var deprecated = sharedUtil.deprecated;
  2367. var getVerbosityLevel = sharedUtil.getVerbosityLevel;
  2368. var info = sharedUtil.info;
  2369. var isInt = sharedUtil.isInt;
  2370. var isArray = sharedUtil.isArray;
  2371. var isArrayBuffer = sharedUtil.isArrayBuffer;
  2372. var isSameOrigin = sharedUtil.isSameOrigin;
  2373. var loadJpegStream = sharedUtil.loadJpegStream;
  2374. var stringToBytes = sharedUtil.stringToBytes;
  2375. var globalScope = sharedUtil.globalScope;
  2376. var warn = sharedUtil.warn;
  2377. var FontFaceObject = displayFontLoader.FontFaceObject;
  2378. var FontLoader = displayFontLoader.FontLoader;
  2379. var CanvasGraphics = displayCanvas.CanvasGraphics;
  2380. var Metadata = displayMetadata.Metadata;
  2381. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  2382. var DOMCanvasFactory = displayDOMUtils.DOMCanvasFactory;
  2383. var DOMCMapReaderFactory = displayDOMUtils.DOMCMapReaderFactory;
  2384. var DEFAULT_RANGE_CHUNK_SIZE = 65536;
  2385. var isWorkerDisabled = false;
  2386. var workerSrc;
  2387. var isPostMessageTransfersDisabled = false;
  2388. var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  2389. var fakeWorkerFilesLoader = null;
  2390. var useRequireEnsure = false;
  2391. if (typeof __pdfjsdev_webpack__ === 'undefined') {
  2392. if (typeof window === 'undefined') {
  2393. isWorkerDisabled = true;
  2394. if (typeof require.ensure === 'undefined') {
  2395. require.ensure = require('node-ensure');
  2396. }
  2397. useRequireEnsure = true;
  2398. } else if (typeof require !== 'undefined' && typeof require.ensure === 'function') {
  2399. useRequireEnsure = true;
  2400. }
  2401. if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
  2402. workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
  2403. }
  2404. var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
  2405. fakeWorkerFilesLoader = useRequireEnsure ? function (callback) {
  2406. require.ensure([], function () {
  2407. var worker = require('./pdf.worker.js');
  2408. callback(worker.WorkerMessageHandler);
  2409. });
  2410. } : dynamicLoaderSupported ? function (callback) {
  2411. requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
  2412. callback(worker.WorkerMessageHandler);
  2413. });
  2414. } : null;
  2415. }
  2416. function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) {
  2417. var task = new PDFDocumentLoadingTask();
  2418. if (arguments.length > 1) {
  2419. deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument');
  2420. }
  2421. if (pdfDataRangeTransport) {
  2422. if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
  2423. pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
  2424. pdfDataRangeTransport.length = src.length;
  2425. pdfDataRangeTransport.initialData = src.initialData;
  2426. if (!pdfDataRangeTransport.abort) {
  2427. pdfDataRangeTransport.abort = function () {
  2428. };
  2429. }
  2430. }
  2431. src = Object.create(src);
  2432. src.range = pdfDataRangeTransport;
  2433. }
  2434. task.onPassword = passwordCallback || null;
  2435. task.onProgress = progressCallback || null;
  2436. var source;
  2437. if (typeof src === 'string') {
  2438. source = { url: src };
  2439. } else if (isArrayBuffer(src)) {
  2440. source = { data: src };
  2441. } else if (src instanceof PDFDataRangeTransport) {
  2442. source = { range: src };
  2443. } else {
  2444. if (typeof src !== 'object') {
  2445. error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object');
  2446. }
  2447. if (!src.url && !src.data && !src.range) {
  2448. error('Invalid parameter object: need either .data, .range or .url');
  2449. }
  2450. source = src;
  2451. }
  2452. var params = {};
  2453. var rangeTransport = null;
  2454. var worker = null;
  2455. for (var key in source) {
  2456. if (key === 'url' && typeof window !== 'undefined') {
  2457. params[key] = new URL(source[key], window.location).href;
  2458. continue;
  2459. } else if (key === 'range') {
  2460. rangeTransport = source[key];
  2461. continue;
  2462. } else if (key === 'worker') {
  2463. worker = source[key];
  2464. continue;
  2465. } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
  2466. var pdfBytes = source[key];
  2467. if (typeof pdfBytes === 'string') {
  2468. params[key] = stringToBytes(pdfBytes);
  2469. } else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
  2470. params[key] = new Uint8Array(pdfBytes);
  2471. } else if (isArrayBuffer(pdfBytes)) {
  2472. params[key] = new Uint8Array(pdfBytes);
  2473. } else {
  2474. error('Invalid PDF binary data: either typed array, string or ' + 'array-like object is expected in the data property.');
  2475. }
  2476. continue;
  2477. }
  2478. params[key] = source[key];
  2479. }
  2480. params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
  2481. params.disableNativeImageDecoder = params.disableNativeImageDecoder === true;
  2482. var CMapReaderFactory = params.CMapReaderFactory || DOMCMapReaderFactory;
  2483. if (!worker) {
  2484. worker = new PDFWorker();
  2485. task._worker = worker;
  2486. }
  2487. var docId = task.docId;
  2488. worker.promise.then(function () {
  2489. if (task.destroyed) {
  2490. throw new Error('Loading aborted');
  2491. }
  2492. return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
  2493. if (task.destroyed) {
  2494. throw new Error('Loading aborted');
  2495. }
  2496. var messageHandler = new MessageHandler(docId, workerId, worker.port);
  2497. var transport = new WorkerTransport(messageHandler, task, rangeTransport, CMapReaderFactory);
  2498. task._transport = transport;
  2499. messageHandler.send('Ready', null);
  2500. });
  2501. }).catch(task._capability.reject);
  2502. return task;
  2503. }
  2504. function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
  2505. if (worker.destroyed) {
  2506. return Promise.reject(new Error('Worker was destroyed'));
  2507. }
  2508. source.disableAutoFetch = getDefaultSetting('disableAutoFetch');
  2509. source.disableStream = getDefaultSetting('disableStream');
  2510. source.chunkedViewerLoading = !!pdfDataRangeTransport;
  2511. if (pdfDataRangeTransport) {
  2512. source.length = pdfDataRangeTransport.length;
  2513. source.initialData = pdfDataRangeTransport.initialData;
  2514. }
  2515. return worker.messageHandler.sendWithPromise('GetDocRequest', {
  2516. docId: docId,
  2517. source: source,
  2518. disableRange: getDefaultSetting('disableRange'),
  2519. maxImageSize: getDefaultSetting('maxImageSize'),
  2520. disableFontFace: getDefaultSetting('disableFontFace'),
  2521. disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),
  2522. postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled,
  2523. docBaseUrl: source.docBaseUrl,
  2524. disableNativeImageDecoder: source.disableNativeImageDecoder
  2525. }).then(function (workerId) {
  2526. if (worker.destroyed) {
  2527. throw new Error('Worker was destroyed');
  2528. }
  2529. return workerId;
  2530. });
  2531. }
  2532. var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
  2533. var nextDocumentId = 0;
  2534. function PDFDocumentLoadingTask() {
  2535. this._capability = createPromiseCapability();
  2536. this._transport = null;
  2537. this._worker = null;
  2538. this.docId = 'd' + nextDocumentId++;
  2539. this.destroyed = false;
  2540. this.onPassword = null;
  2541. this.onProgress = null;
  2542. this.onUnsupportedFeature = null;
  2543. }
  2544. PDFDocumentLoadingTask.prototype = {
  2545. get promise() {
  2546. return this._capability.promise;
  2547. },
  2548. destroy: function () {
  2549. this.destroyed = true;
  2550. var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
  2551. return transportDestroyed.then(function () {
  2552. this._transport = null;
  2553. if (this._worker) {
  2554. this._worker.destroy();
  2555. this._worker = null;
  2556. }
  2557. }.bind(this));
  2558. },
  2559. then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
  2560. return this.promise.then.apply(this.promise, arguments);
  2561. }
  2562. };
  2563. return PDFDocumentLoadingTask;
  2564. }();
  2565. var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
  2566. function PDFDataRangeTransport(length, initialData) {
  2567. this.length = length;
  2568. this.initialData = initialData;
  2569. this._rangeListeners = [];
  2570. this._progressListeners = [];
  2571. this._progressiveReadListeners = [];
  2572. this._readyCapability = createPromiseCapability();
  2573. }
  2574. PDFDataRangeTransport.prototype = {
  2575. addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
  2576. this._rangeListeners.push(listener);
  2577. },
  2578. addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
  2579. this._progressListeners.push(listener);
  2580. },
  2581. addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
  2582. this._progressiveReadListeners.push(listener);
  2583. },
  2584. onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
  2585. var listeners = this._rangeListeners;
  2586. for (var i = 0, n = listeners.length; i < n; ++i) {
  2587. listeners[i](begin, chunk);
  2588. }
  2589. },
  2590. onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
  2591. this._readyCapability.promise.then(function () {
  2592. var listeners = this._progressListeners;
  2593. for (var i = 0, n = listeners.length; i < n; ++i) {
  2594. listeners[i](loaded);
  2595. }
  2596. }.bind(this));
  2597. },
  2598. onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
  2599. this._readyCapability.promise.then(function () {
  2600. var listeners = this._progressiveReadListeners;
  2601. for (var i = 0, n = listeners.length; i < n; ++i) {
  2602. listeners[i](chunk);
  2603. }
  2604. }.bind(this));
  2605. },
  2606. transportReady: function PDFDataRangeTransport_transportReady() {
  2607. this._readyCapability.resolve();
  2608. },
  2609. requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
  2610. throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
  2611. },
  2612. abort: function PDFDataRangeTransport_abort() {
  2613. }
  2614. };
  2615. return PDFDataRangeTransport;
  2616. }();
  2617. var PDFDocumentProxy = function PDFDocumentProxyClosure() {
  2618. function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
  2619. this.pdfInfo = pdfInfo;
  2620. this.transport = transport;
  2621. this.loadingTask = loadingTask;
  2622. }
  2623. PDFDocumentProxy.prototype = {
  2624. get numPages() {
  2625. return this.pdfInfo.numPages;
  2626. },
  2627. get fingerprint() {
  2628. return this.pdfInfo.fingerprint;
  2629. },
  2630. getPage: function PDFDocumentProxy_getPage(pageNumber) {
  2631. return this.transport.getPage(pageNumber);
  2632. },
  2633. getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
  2634. return this.transport.getPageIndex(ref);
  2635. },
  2636. getDestinations: function PDFDocumentProxy_getDestinations() {
  2637. return this.transport.getDestinations();
  2638. },
  2639. getDestination: function PDFDocumentProxy_getDestination(id) {
  2640. return this.transport.getDestination(id);
  2641. },
  2642. getPageLabels: function PDFDocumentProxy_getPageLabels() {
  2643. return this.transport.getPageLabels();
  2644. },
  2645. getAttachments: function PDFDocumentProxy_getAttachments() {
  2646. return this.transport.getAttachments();
  2647. },
  2648. getJavaScript: function PDFDocumentProxy_getJavaScript() {
  2649. return this.transport.getJavaScript();
  2650. },
  2651. getOutline: function PDFDocumentProxy_getOutline() {
  2652. return this.transport.getOutline();
  2653. },
  2654. getMetadata: function PDFDocumentProxy_getMetadata() {
  2655. return this.transport.getMetadata();
  2656. },
  2657. getData: function PDFDocumentProxy_getData() {
  2658. return this.transport.getData();
  2659. },
  2660. getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
  2661. return this.transport.downloadInfoCapability.promise;
  2662. },
  2663. getStats: function PDFDocumentProxy_getStats() {
  2664. return this.transport.getStats();
  2665. },
  2666. cleanup: function PDFDocumentProxy_cleanup() {
  2667. this.transport.startCleanup();
  2668. },
  2669. destroy: function PDFDocumentProxy_destroy() {
  2670. return this.loadingTask.destroy();
  2671. }
  2672. };
  2673. return PDFDocumentProxy;
  2674. }();
  2675. var PDFPageProxy = function PDFPageProxyClosure() {
  2676. function PDFPageProxy(pageIndex, pageInfo, transport) {
  2677. this.pageIndex = pageIndex;
  2678. this.pageInfo = pageInfo;
  2679. this.transport = transport;
  2680. this.stats = new StatTimer();
  2681. this.stats.enabled = getDefaultSetting('enableStats');
  2682. this.commonObjs = transport.commonObjs;
  2683. this.objs = new PDFObjects();
  2684. this.cleanupAfterRender = false;
  2685. this.pendingCleanup = false;
  2686. this.intentStates = Object.create(null);
  2687. this.destroyed = false;
  2688. }
  2689. PDFPageProxy.prototype = {
  2690. get pageNumber() {
  2691. return this.pageIndex + 1;
  2692. },
  2693. get rotate() {
  2694. return this.pageInfo.rotate;
  2695. },
  2696. get ref() {
  2697. return this.pageInfo.ref;
  2698. },
  2699. get userUnit() {
  2700. return this.pageInfo.userUnit;
  2701. },
  2702. get view() {
  2703. return this.pageInfo.view;
  2704. },
  2705. getViewport: function PDFPageProxy_getViewport(scale, rotate) {
  2706. if (arguments.length < 2) {
  2707. rotate = this.rotate;
  2708. }
  2709. return new PageViewport(this.view, scale, rotate, 0, 0);
  2710. },
  2711. getAnnotations: function PDFPageProxy_getAnnotations(params) {
  2712. var intent = params && params.intent || null;
  2713. if (!this.annotationsPromise || this.annotationsIntent !== intent) {
  2714. this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
  2715. this.annotationsIntent = intent;
  2716. }
  2717. return this.annotationsPromise;
  2718. },
  2719. render: function PDFPageProxy_render(params) {
  2720. var stats = this.stats;
  2721. stats.time('Overall');
  2722. this.pendingCleanup = false;
  2723. var renderingIntent = params.intent === 'print' ? 'print' : 'display';
  2724. var renderInteractiveForms = params.renderInteractiveForms === true ? true : false;
  2725. var canvasFactory = params.canvasFactory || new DOMCanvasFactory();
  2726. if (!this.intentStates[renderingIntent]) {
  2727. this.intentStates[renderingIntent] = Object.create(null);
  2728. }
  2729. var intentState = this.intentStates[renderingIntent];
  2730. if (!intentState.displayReadyCapability) {
  2731. intentState.receivingOperatorList = true;
  2732. intentState.displayReadyCapability = createPromiseCapability();
  2733. intentState.operatorList = {
  2734. fnArray: [],
  2735. argsArray: [],
  2736. lastChunk: false
  2737. };
  2738. this.stats.time('Page Request');
  2739. this.transport.messageHandler.send('RenderPageRequest', {
  2740. pageIndex: this.pageNumber - 1,
  2741. intent: renderingIntent,
  2742. renderInteractiveForms: renderInteractiveForms
  2743. });
  2744. }
  2745. var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory);
  2746. internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
  2747. if (!intentState.renderTasks) {
  2748. intentState.renderTasks = [];
  2749. }
  2750. intentState.renderTasks.push(internalRenderTask);
  2751. var renderTask = internalRenderTask.task;
  2752. if (params.continueCallback) {
  2753. deprecated('render is used with continueCallback parameter');
  2754. renderTask.onContinue = params.continueCallback;
  2755. }
  2756. var self = this;
  2757. intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) {
  2758. if (self.pendingCleanup) {
  2759. complete();
  2760. return;
  2761. }
  2762. stats.time('Rendering');
  2763. internalRenderTask.initializeGraphics(transparency);
  2764. internalRenderTask.operatorListChanged();
  2765. }, function pageDisplayReadPromiseError(reason) {
  2766. complete(reason);
  2767. });
  2768. function complete(error) {
  2769. var i = intentState.renderTasks.indexOf(internalRenderTask);
  2770. if (i >= 0) {
  2771. intentState.renderTasks.splice(i, 1);
  2772. }
  2773. if (self.cleanupAfterRender) {
  2774. self.pendingCleanup = true;
  2775. }
  2776. self._tryCleanup();
  2777. if (error) {
  2778. internalRenderTask.capability.reject(error);
  2779. } else {
  2780. internalRenderTask.capability.resolve();
  2781. }
  2782. stats.timeEnd('Rendering');
  2783. stats.timeEnd('Overall');
  2784. }
  2785. return renderTask;
  2786. },
  2787. getOperatorList: function PDFPageProxy_getOperatorList() {
  2788. function operatorListChanged() {
  2789. if (intentState.operatorList.lastChunk) {
  2790. intentState.opListReadCapability.resolve(intentState.operatorList);
  2791. var i = intentState.renderTasks.indexOf(opListTask);
  2792. if (i >= 0) {
  2793. intentState.renderTasks.splice(i, 1);
  2794. }
  2795. }
  2796. }
  2797. var renderingIntent = 'oplist';
  2798. if (!this.intentStates[renderingIntent]) {
  2799. this.intentStates[renderingIntent] = Object.create(null);
  2800. }
  2801. var intentState = this.intentStates[renderingIntent];
  2802. var opListTask;
  2803. if (!intentState.opListReadCapability) {
  2804. opListTask = {};
  2805. opListTask.operatorListChanged = operatorListChanged;
  2806. intentState.receivingOperatorList = true;
  2807. intentState.opListReadCapability = createPromiseCapability();
  2808. intentState.renderTasks = [];
  2809. intentState.renderTasks.push(opListTask);
  2810. intentState.operatorList = {
  2811. fnArray: [],
  2812. argsArray: [],
  2813. lastChunk: false
  2814. };
  2815. this.transport.messageHandler.send('RenderPageRequest', {
  2816. pageIndex: this.pageIndex,
  2817. intent: renderingIntent
  2818. });
  2819. }
  2820. return intentState.opListReadCapability.promise;
  2821. },
  2822. getTextContent: function PDFPageProxy_getTextContent(params) {
  2823. return this.transport.messageHandler.sendWithPromise('GetTextContent', {
  2824. pageIndex: this.pageNumber - 1,
  2825. normalizeWhitespace: params && params.normalizeWhitespace === true ? true : false,
  2826. combineTextItems: params && params.disableCombineTextItems === true ? false : true
  2827. });
  2828. },
  2829. _destroy: function PDFPageProxy_destroy() {
  2830. this.destroyed = true;
  2831. this.transport.pageCache[this.pageIndex] = null;
  2832. var waitOn = [];
  2833. Object.keys(this.intentStates).forEach(function (intent) {
  2834. if (intent === 'oplist') {
  2835. return;
  2836. }
  2837. var intentState = this.intentStates[intent];
  2838. intentState.renderTasks.forEach(function (renderTask) {
  2839. var renderCompleted = renderTask.capability.promise.catch(function () {
  2840. });
  2841. waitOn.push(renderCompleted);
  2842. renderTask.cancel();
  2843. });
  2844. }, this);
  2845. this.objs.clear();
  2846. this.annotationsPromise = null;
  2847. this.pendingCleanup = false;
  2848. return Promise.all(waitOn);
  2849. },
  2850. destroy: function () {
  2851. deprecated('page destroy method, use cleanup() instead');
  2852. this.cleanup();
  2853. },
  2854. cleanup: function PDFPageProxy_cleanup() {
  2855. this.pendingCleanup = true;
  2856. this._tryCleanup();
  2857. },
  2858. _tryCleanup: function PDFPageProxy_tryCleanup() {
  2859. if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
  2860. var intentState = this.intentStates[intent];
  2861. return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
  2862. }, this)) {
  2863. return;
  2864. }
  2865. Object.keys(this.intentStates).forEach(function (intent) {
  2866. delete this.intentStates[intent];
  2867. }, this);
  2868. this.objs.clear();
  2869. this.annotationsPromise = null;
  2870. this.pendingCleanup = false;
  2871. },
  2872. _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
  2873. var intentState = this.intentStates[intent];
  2874. if (intentState.displayReadyCapability) {
  2875. intentState.displayReadyCapability.resolve(transparency);
  2876. }
  2877. },
  2878. _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
  2879. var intentState = this.intentStates[intent];
  2880. var i, ii;
  2881. for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
  2882. intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
  2883. intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
  2884. }
  2885. intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
  2886. for (i = 0; i < intentState.renderTasks.length; i++) {
  2887. intentState.renderTasks[i].operatorListChanged();
  2888. }
  2889. if (operatorListChunk.lastChunk) {
  2890. intentState.receivingOperatorList = false;
  2891. this._tryCleanup();
  2892. }
  2893. }
  2894. };
  2895. return PDFPageProxy;
  2896. }();
  2897. var PDFWorker = function PDFWorkerClosure() {
  2898. var nextFakeWorkerId = 0;
  2899. function getWorkerSrc() {
  2900. if (typeof workerSrc !== 'undefined') {
  2901. return workerSrc;
  2902. }
  2903. if (getDefaultSetting('workerSrc')) {
  2904. return getDefaultSetting('workerSrc');
  2905. }
  2906. if (pdfjsFilePath) {
  2907. return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
  2908. }
  2909. error('No PDFJS.workerSrc specified');
  2910. }
  2911. var fakeWorkerFilesLoadedCapability;
  2912. function setupFakeWorkerGlobal() {
  2913. var WorkerMessageHandler;
  2914. if (fakeWorkerFilesLoadedCapability) {
  2915. return fakeWorkerFilesLoadedCapability.promise;
  2916. }
  2917. fakeWorkerFilesLoadedCapability = createPromiseCapability();
  2918. var loader = fakeWorkerFilesLoader || function (callback) {
  2919. Util.loadScript(getWorkerSrc(), function () {
  2920. callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
  2921. });
  2922. };
  2923. loader(fakeWorkerFilesLoadedCapability.resolve);
  2924. return fakeWorkerFilesLoadedCapability.promise;
  2925. }
  2926. function FakeWorkerPort(defer) {
  2927. this._listeners = [];
  2928. this._defer = defer;
  2929. this._deferred = Promise.resolve(undefined);
  2930. }
  2931. FakeWorkerPort.prototype = {
  2932. postMessage: function (obj, transfers) {
  2933. function cloneValue(value) {
  2934. if (typeof value !== 'object' || value === null) {
  2935. return value;
  2936. }
  2937. if (cloned.has(value)) {
  2938. return cloned.get(value);
  2939. }
  2940. var result;
  2941. var buffer;
  2942. if ((buffer = value.buffer) && isArrayBuffer(buffer)) {
  2943. var transferable = transfers && transfers.indexOf(buffer) >= 0;
  2944. if (value === buffer) {
  2945. result = value;
  2946. } else if (transferable) {
  2947. result = new value.constructor(buffer, value.byteOffset, value.byteLength);
  2948. } else {
  2949. result = new value.constructor(value);
  2950. }
  2951. cloned.set(value, result);
  2952. return result;
  2953. }
  2954. result = isArray(value) ? [] : {};
  2955. cloned.set(value, result);
  2956. for (var i in value) {
  2957. var desc, p = value;
  2958. while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
  2959. p = Object.getPrototypeOf(p);
  2960. }
  2961. if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
  2962. continue;
  2963. }
  2964. result[i] = cloneValue(desc.value);
  2965. }
  2966. return result;
  2967. }
  2968. if (!this._defer) {
  2969. this._listeners.forEach(function (listener) {
  2970. listener.call(this, { data: obj });
  2971. }, this);
  2972. return;
  2973. }
  2974. var cloned = new WeakMap();
  2975. var e = { data: cloneValue(obj) };
  2976. this._deferred.then(function () {
  2977. this._listeners.forEach(function (listener) {
  2978. listener.call(this, e);
  2979. }, this);
  2980. }.bind(this));
  2981. },
  2982. addEventListener: function (name, listener) {
  2983. this._listeners.push(listener);
  2984. },
  2985. removeEventListener: function (name, listener) {
  2986. var i = this._listeners.indexOf(listener);
  2987. this._listeners.splice(i, 1);
  2988. },
  2989. terminate: function () {
  2990. this._listeners = [];
  2991. }
  2992. };
  2993. function createCDNWrapper(url) {
  2994. var wrapper = 'importScripts(\'' + url + '\');';
  2995. return URL.createObjectURL(new Blob([wrapper]));
  2996. }
  2997. function PDFWorker(name) {
  2998. this.name = name;
  2999. this.destroyed = false;
  3000. this._readyCapability = createPromiseCapability();
  3001. this._port = null;
  3002. this._webWorker = null;
  3003. this._messageHandler = null;
  3004. this._initialize();
  3005. }
  3006. PDFWorker.prototype = {
  3007. get promise() {
  3008. return this._readyCapability.promise;
  3009. },
  3010. get port() {
  3011. return this._port;
  3012. },
  3013. get messageHandler() {
  3014. return this._messageHandler;
  3015. },
  3016. _initialize: function PDFWorker_initialize() {
  3017. if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') {
  3018. var workerSrc = getWorkerSrc();
  3019. try {
  3020. if (!isSameOrigin(window.location.href, workerSrc)) {
  3021. workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
  3022. }
  3023. var worker = new Worker(workerSrc);
  3024. var messageHandler = new MessageHandler('main', 'worker', worker);
  3025. var terminateEarly = function () {
  3026. worker.removeEventListener('error', onWorkerError);
  3027. messageHandler.destroy();
  3028. worker.terminate();
  3029. if (this.destroyed) {
  3030. this._readyCapability.reject(new Error('Worker was destroyed'));
  3031. } else {
  3032. this._setupFakeWorker();
  3033. }
  3034. }.bind(this);
  3035. var onWorkerError = function (event) {
  3036. if (!this._webWorker) {
  3037. terminateEarly();
  3038. }
  3039. }.bind(this);
  3040. worker.addEventListener('error', onWorkerError);
  3041. messageHandler.on('test', function PDFWorker_test(data) {
  3042. worker.removeEventListener('error', onWorkerError);
  3043. if (this.destroyed) {
  3044. terminateEarly();
  3045. return;
  3046. }
  3047. var supportTypedArray = data && data.supportTypedArray;
  3048. if (supportTypedArray) {
  3049. this._messageHandler = messageHandler;
  3050. this._port = worker;
  3051. this._webWorker = worker;
  3052. if (!data.supportTransfers) {
  3053. isPostMessageTransfersDisabled = true;
  3054. }
  3055. this._readyCapability.resolve();
  3056. messageHandler.send('configure', { verbosity: getVerbosityLevel() });
  3057. } else {
  3058. this._setupFakeWorker();
  3059. messageHandler.destroy();
  3060. worker.terminate();
  3061. }
  3062. }.bind(this));
  3063. messageHandler.on('console_log', function (data) {
  3064. console.log.apply(console, data);
  3065. });
  3066. messageHandler.on('console_error', function (data) {
  3067. console.error.apply(console, data);
  3068. });
  3069. messageHandler.on('ready', function (data) {
  3070. worker.removeEventListener('error', onWorkerError);
  3071. if (this.destroyed) {
  3072. terminateEarly();
  3073. return;
  3074. }
  3075. try {
  3076. sendTest();
  3077. } catch (e) {
  3078. this._setupFakeWorker();
  3079. }
  3080. }.bind(this));
  3081. var sendTest = function () {
  3082. var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled;
  3083. var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
  3084. try {
  3085. messageHandler.send('test', testObj, [testObj.buffer]);
  3086. } catch (ex) {
  3087. info('Cannot use postMessage transfers');
  3088. testObj[0] = 0;
  3089. messageHandler.send('test', testObj);
  3090. }
  3091. };
  3092. sendTest();
  3093. return;
  3094. } catch (e) {
  3095. info('The worker has been disabled.');
  3096. }
  3097. }
  3098. this._setupFakeWorker();
  3099. },
  3100. _setupFakeWorker: function PDFWorker_setupFakeWorker() {
  3101. if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {
  3102. warn('Setting up fake worker.');
  3103. isWorkerDisabled = true;
  3104. }
  3105. setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
  3106. if (this.destroyed) {
  3107. this._readyCapability.reject(new Error('Worker was destroyed'));
  3108. return;
  3109. }
  3110. var isTypedArraysPresent = Uint8Array !== Float32Array;
  3111. var port = new FakeWorkerPort(isTypedArraysPresent);
  3112. this._port = port;
  3113. var id = 'fake' + nextFakeWorkerId++;
  3114. var workerHandler = new MessageHandler(id + '_worker', id, port);
  3115. WorkerMessageHandler.setup(workerHandler, port);
  3116. var messageHandler = new MessageHandler(id, id + '_worker', port);
  3117. this._messageHandler = messageHandler;
  3118. this._readyCapability.resolve();
  3119. }.bind(this));
  3120. },
  3121. destroy: function PDFWorker_destroy() {
  3122. this.destroyed = true;
  3123. if (this._webWorker) {
  3124. this._webWorker.terminate();
  3125. this._webWorker = null;
  3126. }
  3127. this._port = null;
  3128. if (this._messageHandler) {
  3129. this._messageHandler.destroy();
  3130. this._messageHandler = null;
  3131. }
  3132. }
  3133. };
  3134. return PDFWorker;
  3135. }();
  3136. var WorkerTransport = function WorkerTransportClosure() {
  3137. function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport, CMapReaderFactory) {
  3138. this.messageHandler = messageHandler;
  3139. this.loadingTask = loadingTask;
  3140. this.pdfDataRangeTransport = pdfDataRangeTransport;
  3141. this.commonObjs = new PDFObjects();
  3142. this.fontLoader = new FontLoader(loadingTask.docId);
  3143. this.CMapReaderFactory = new CMapReaderFactory({
  3144. baseUrl: getDefaultSetting('cMapUrl'),
  3145. isCompressed: getDefaultSetting('cMapPacked')
  3146. });
  3147. this.destroyed = false;
  3148. this.destroyCapability = null;
  3149. this._passwordCapability = null;
  3150. this.pageCache = [];
  3151. this.pagePromises = [];
  3152. this.downloadInfoCapability = createPromiseCapability();
  3153. this.setupMessageHandler();
  3154. }
  3155. WorkerTransport.prototype = {
  3156. destroy: function WorkerTransport_destroy() {
  3157. if (this.destroyCapability) {
  3158. return this.destroyCapability.promise;
  3159. }
  3160. this.destroyed = true;
  3161. this.destroyCapability = createPromiseCapability();
  3162. if (this._passwordCapability) {
  3163. this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
  3164. }
  3165. var waitOn = [];
  3166. this.pageCache.forEach(function (page) {
  3167. if (page) {
  3168. waitOn.push(page._destroy());
  3169. }
  3170. });
  3171. this.pageCache = [];
  3172. this.pagePromises = [];
  3173. var self = this;
  3174. var terminated = this.messageHandler.sendWithPromise('Terminate', null);
  3175. waitOn.push(terminated);
  3176. Promise.all(waitOn).then(function () {
  3177. self.fontLoader.clear();
  3178. if (self.pdfDataRangeTransport) {
  3179. self.pdfDataRangeTransport.abort();
  3180. self.pdfDataRangeTransport = null;
  3181. }
  3182. if (self.messageHandler) {
  3183. self.messageHandler.destroy();
  3184. self.messageHandler = null;
  3185. }
  3186. self.destroyCapability.resolve();
  3187. }, this.destroyCapability.reject);
  3188. return this.destroyCapability.promise;
  3189. },
  3190. setupMessageHandler: function WorkerTransport_setupMessageHandler() {
  3191. var messageHandler = this.messageHandler;
  3192. var loadingTask = this.loadingTask;
  3193. var pdfDataRangeTransport = this.pdfDataRangeTransport;
  3194. if (pdfDataRangeTransport) {
  3195. pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
  3196. messageHandler.send('OnDataRange', {
  3197. begin: begin,
  3198. chunk: chunk
  3199. });
  3200. });
  3201. pdfDataRangeTransport.addProgressListener(function (loaded) {
  3202. messageHandler.send('OnDataProgress', { loaded: loaded });
  3203. });
  3204. pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
  3205. messageHandler.send('OnDataRange', { chunk: chunk });
  3206. });
  3207. messageHandler.on('RequestDataRange', function transportDataRange(data) {
  3208. pdfDataRangeTransport.requestDataRange(data.begin, data.end);
  3209. }, this);
  3210. }
  3211. messageHandler.on('GetDoc', function transportDoc(data) {
  3212. var pdfInfo = data.pdfInfo;
  3213. this.numPages = data.pdfInfo.numPages;
  3214. var loadingTask = this.loadingTask;
  3215. var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
  3216. this.pdfDocument = pdfDocument;
  3217. loadingTask._capability.resolve(pdfDocument);
  3218. }, this);
  3219. messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) {
  3220. this._passwordCapability = createPromiseCapability();
  3221. if (loadingTask.onPassword) {
  3222. var updatePassword = function (password) {
  3223. this._passwordCapability.resolve({ password: password });
  3224. }.bind(this);
  3225. loadingTask.onPassword(updatePassword, exception.code);
  3226. } else {
  3227. this._passwordCapability.reject(new PasswordException(exception.message, exception.code));
  3228. }
  3229. return this._passwordCapability.promise;
  3230. }, this);
  3231. messageHandler.on('PasswordException', function transportPasswordException(exception) {
  3232. loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
  3233. }, this);
  3234. messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
  3235. this.loadingTask._capability.reject(new InvalidPDFException(exception.message));
  3236. }, this);
  3237. messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
  3238. this.loadingTask._capability.reject(new MissingPDFException(exception.message));
  3239. }, this);
  3240. messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
  3241. this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status));
  3242. }, this);
  3243. messageHandler.on('UnknownError', function transportUnknownError(exception) {
  3244. this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details));
  3245. }, this);
  3246. messageHandler.on('DataLoaded', function transportPage(data) {
  3247. this.downloadInfoCapability.resolve(data);
  3248. }, this);
  3249. messageHandler.on('PDFManagerReady', function transportPage(data) {
  3250. if (this.pdfDataRangeTransport) {
  3251. this.pdfDataRangeTransport.transportReady();
  3252. }
  3253. }, this);
  3254. messageHandler.on('StartRenderPage', function transportRender(data) {
  3255. if (this.destroyed) {
  3256. return;
  3257. }
  3258. var page = this.pageCache[data.pageIndex];
  3259. page.stats.timeEnd('Page Request');
  3260. page._startRenderPage(data.transparency, data.intent);
  3261. }, this);
  3262. messageHandler.on('RenderPageChunk', function transportRender(data) {
  3263. if (this.destroyed) {
  3264. return;
  3265. }
  3266. var page = this.pageCache[data.pageIndex];
  3267. page._renderPageChunk(data.operatorList, data.intent);
  3268. }, this);
  3269. messageHandler.on('commonobj', function transportObj(data) {
  3270. if (this.destroyed) {
  3271. return;
  3272. }
  3273. var id = data[0];
  3274. var type = data[1];
  3275. if (this.commonObjs.hasData(id)) {
  3276. return;
  3277. }
  3278. switch (type) {
  3279. case 'Font':
  3280. var exportedData = data[2];
  3281. if ('error' in exportedData) {
  3282. var exportedError = exportedData.error;
  3283. warn('Error during font loading: ' + exportedError);
  3284. this.commonObjs.resolve(id, exportedError);
  3285. break;
  3286. }
  3287. var fontRegistry = null;
  3288. if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) {
  3289. fontRegistry = {
  3290. registerFont: function (font, url) {
  3291. globalScope['FontInspector'].fontAdded(font, url);
  3292. }
  3293. };
  3294. }
  3295. var font = new FontFaceObject(exportedData, {
  3296. isEvalSuported: getDefaultSetting('isEvalSupported'),
  3297. disableFontFace: getDefaultSetting('disableFontFace'),
  3298. fontRegistry: fontRegistry
  3299. });
  3300. this.fontLoader.bind([font], function fontReady(fontObjs) {
  3301. this.commonObjs.resolve(id, font);
  3302. }.bind(this));
  3303. break;
  3304. case 'FontPath':
  3305. this.commonObjs.resolve(id, data[2]);
  3306. break;
  3307. default:
  3308. error('Got unknown common object type ' + type);
  3309. }
  3310. }, this);
  3311. messageHandler.on('obj', function transportObj(data) {
  3312. if (this.destroyed) {
  3313. return;
  3314. }
  3315. var id = data[0];
  3316. var pageIndex = data[1];
  3317. var type = data[2];
  3318. var pageProxy = this.pageCache[pageIndex];
  3319. var imageData;
  3320. if (pageProxy.objs.hasData(id)) {
  3321. return;
  3322. }
  3323. switch (type) {
  3324. case 'JpegStream':
  3325. imageData = data[3];
  3326. loadJpegStream(id, imageData, pageProxy.objs);
  3327. break;
  3328. case 'Image':
  3329. imageData = data[3];
  3330. pageProxy.objs.resolve(id, imageData);
  3331. var MAX_IMAGE_SIZE_TO_STORE = 8000000;
  3332. if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
  3333. pageProxy.cleanupAfterRender = true;
  3334. }
  3335. break;
  3336. default:
  3337. error('Got unknown object type ' + type);
  3338. }
  3339. }, this);
  3340. messageHandler.on('DocProgress', function transportDocProgress(data) {
  3341. if (this.destroyed) {
  3342. return;
  3343. }
  3344. var loadingTask = this.loadingTask;
  3345. if (loadingTask.onProgress) {
  3346. loadingTask.onProgress({
  3347. loaded: data.loaded,
  3348. total: data.total
  3349. });
  3350. }
  3351. }, this);
  3352. messageHandler.on('PageError', function transportError(data) {
  3353. if (this.destroyed) {
  3354. return;
  3355. }
  3356. var page = this.pageCache[data.pageNum - 1];
  3357. var intentState = page.intentStates[data.intent];
  3358. if (intentState.displayReadyCapability) {
  3359. intentState.displayReadyCapability.reject(data.error);
  3360. } else {
  3361. error(data.error);
  3362. }
  3363. if (intentState.operatorList) {
  3364. intentState.operatorList.lastChunk = true;
  3365. for (var i = 0; i < intentState.renderTasks.length; i++) {
  3366. intentState.renderTasks[i].operatorListChanged();
  3367. }
  3368. }
  3369. }, this);
  3370. messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) {
  3371. if (this.destroyed) {
  3372. return;
  3373. }
  3374. var featureId = data.featureId;
  3375. var loadingTask = this.loadingTask;
  3376. if (loadingTask.onUnsupportedFeature) {
  3377. loadingTask.onUnsupportedFeature(featureId);
  3378. }
  3379. _UnsupportedManager.notify(featureId);
  3380. }, this);
  3381. messageHandler.on('JpegDecode', function (data) {
  3382. if (this.destroyed) {
  3383. return Promise.reject(new Error('Worker was destroyed'));
  3384. }
  3385. if (typeof document === 'undefined') {
  3386. return Promise.reject(new Error('"document" is not defined.'));
  3387. }
  3388. var imageUrl = data[0];
  3389. var components = data[1];
  3390. if (components !== 3 && components !== 1) {
  3391. return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
  3392. }
  3393. return new Promise(function (resolve, reject) {
  3394. var img = new Image();
  3395. img.onload = function () {
  3396. var width = img.width;
  3397. var height = img.height;
  3398. var size = width * height;
  3399. var rgbaLength = size * 4;
  3400. var buf = new Uint8Array(size * components);
  3401. var tmpCanvas = document.createElement('canvas');
  3402. tmpCanvas.width = width;
  3403. tmpCanvas.height = height;
  3404. var tmpCtx = tmpCanvas.getContext('2d');
  3405. tmpCtx.drawImage(img, 0, 0);
  3406. var data = tmpCtx.getImageData(0, 0, width, height).data;
  3407. var i, j;
  3408. if (components === 3) {
  3409. for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
  3410. buf[j] = data[i];
  3411. buf[j + 1] = data[i + 1];
  3412. buf[j + 2] = data[i + 2];
  3413. }
  3414. } else if (components === 1) {
  3415. for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
  3416. buf[j] = data[i];
  3417. }
  3418. }
  3419. resolve({
  3420. data: buf,
  3421. width: width,
  3422. height: height
  3423. });
  3424. };
  3425. img.onerror = function () {
  3426. reject(new Error('JpegDecode failed to load image'));
  3427. };
  3428. img.src = imageUrl;
  3429. });
  3430. }, this);
  3431. messageHandler.on('FetchBuiltInCMap', function (data) {
  3432. if (this.destroyed) {
  3433. return Promise.reject(new Error('Worker was destroyed'));
  3434. }
  3435. return this.CMapReaderFactory.fetch({ name: data.name });
  3436. }, this);
  3437. },
  3438. getData: function WorkerTransport_getData() {
  3439. return this.messageHandler.sendWithPromise('GetData', null);
  3440. },
  3441. getPage: function WorkerTransport_getPage(pageNumber, capability) {
  3442. if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
  3443. return Promise.reject(new Error('Invalid page request'));
  3444. }
  3445. var pageIndex = pageNumber - 1;
  3446. if (pageIndex in this.pagePromises) {
  3447. return this.pagePromises[pageIndex];
  3448. }
  3449. var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
  3450. if (this.destroyed) {
  3451. throw new Error('Transport destroyed');
  3452. }
  3453. var page = new PDFPageProxy(pageIndex, pageInfo, this);
  3454. this.pageCache[pageIndex] = page;
  3455. return page;
  3456. }.bind(this));
  3457. this.pagePromises[pageIndex] = promise;
  3458. return promise;
  3459. },
  3460. getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
  3461. return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
  3462. return Promise.reject(new Error(reason));
  3463. });
  3464. },
  3465. getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
  3466. return this.messageHandler.sendWithPromise('GetAnnotations', {
  3467. pageIndex: pageIndex,
  3468. intent: intent
  3469. });
  3470. },
  3471. getDestinations: function WorkerTransport_getDestinations() {
  3472. return this.messageHandler.sendWithPromise('GetDestinations', null);
  3473. },
  3474. getDestination: function WorkerTransport_getDestination(id) {
  3475. return this.messageHandler.sendWithPromise('GetDestination', { id: id });
  3476. },
  3477. getPageLabels: function WorkerTransport_getPageLabels() {
  3478. return this.messageHandler.sendWithPromise('GetPageLabels', null);
  3479. },
  3480. getAttachments: function WorkerTransport_getAttachments() {
  3481. return this.messageHandler.sendWithPromise('GetAttachments', null);
  3482. },
  3483. getJavaScript: function WorkerTransport_getJavaScript() {
  3484. return this.messageHandler.sendWithPromise('GetJavaScript', null);
  3485. },
  3486. getOutline: function WorkerTransport_getOutline() {
  3487. return this.messageHandler.sendWithPromise('GetOutline', null);
  3488. },
  3489. getMetadata: function WorkerTransport_getMetadata() {
  3490. return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) {
  3491. return {
  3492. info: results[0],
  3493. metadata: results[1] ? new Metadata(results[1]) : null
  3494. };
  3495. });
  3496. },
  3497. getStats: function WorkerTransport_getStats() {
  3498. return this.messageHandler.sendWithPromise('GetStats', null);
  3499. },
  3500. startCleanup: function WorkerTransport_startCleanup() {
  3501. this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() {
  3502. for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
  3503. var page = this.pageCache[i];
  3504. if (page) {
  3505. page.cleanup();
  3506. }
  3507. }
  3508. this.commonObjs.clear();
  3509. this.fontLoader.clear();
  3510. }.bind(this));
  3511. }
  3512. };
  3513. return WorkerTransport;
  3514. }();
  3515. var PDFObjects = function PDFObjectsClosure() {
  3516. function PDFObjects() {
  3517. this.objs = Object.create(null);
  3518. }
  3519. PDFObjects.prototype = {
  3520. ensureObj: function PDFObjects_ensureObj(objId) {
  3521. if (this.objs[objId]) {
  3522. return this.objs[objId];
  3523. }
  3524. var obj = {
  3525. capability: createPromiseCapability(),
  3526. data: null,
  3527. resolved: false
  3528. };
  3529. this.objs[objId] = obj;
  3530. return obj;
  3531. },
  3532. get: function PDFObjects_get(objId, callback) {
  3533. if (callback) {
  3534. this.ensureObj(objId).capability.promise.then(callback);
  3535. return null;
  3536. }
  3537. var obj = this.objs[objId];
  3538. if (!obj || !obj.resolved) {
  3539. error('Requesting object that isn\'t resolved yet ' + objId);
  3540. }
  3541. return obj.data;
  3542. },
  3543. resolve: function PDFObjects_resolve(objId, data) {
  3544. var obj = this.ensureObj(objId);
  3545. obj.resolved = true;
  3546. obj.data = data;
  3547. obj.capability.resolve(data);
  3548. },
  3549. isResolved: function PDFObjects_isResolved(objId) {
  3550. var objs = this.objs;
  3551. if (!objs[objId]) {
  3552. return false;
  3553. }
  3554. return objs[objId].resolved;
  3555. },
  3556. hasData: function PDFObjects_hasData(objId) {
  3557. return this.isResolved(objId);
  3558. },
  3559. getData: function PDFObjects_getData(objId) {
  3560. var objs = this.objs;
  3561. if (!objs[objId] || !objs[objId].resolved) {
  3562. return null;
  3563. }
  3564. return objs[objId].data;
  3565. },
  3566. clear: function PDFObjects_clear() {
  3567. this.objs = Object.create(null);
  3568. }
  3569. };
  3570. return PDFObjects;
  3571. }();
  3572. var RenderTask = function RenderTaskClosure() {
  3573. function RenderTask(internalRenderTask) {
  3574. this._internalRenderTask = internalRenderTask;
  3575. this.onContinue = null;
  3576. }
  3577. RenderTask.prototype = {
  3578. get promise() {
  3579. return this._internalRenderTask.capability.promise;
  3580. },
  3581. cancel: function RenderTask_cancel() {
  3582. this._internalRenderTask.cancel();
  3583. },
  3584. then: function RenderTask_then(onFulfilled, onRejected) {
  3585. return this.promise.then.apply(this.promise, arguments);
  3586. }
  3587. };
  3588. return RenderTask;
  3589. }();
  3590. var InternalRenderTask = function InternalRenderTaskClosure() {
  3591. function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory) {
  3592. this.callback = callback;
  3593. this.params = params;
  3594. this.objs = objs;
  3595. this.commonObjs = commonObjs;
  3596. this.operatorListIdx = null;
  3597. this.operatorList = operatorList;
  3598. this.pageNumber = pageNumber;
  3599. this.canvasFactory = canvasFactory;
  3600. this.running = false;
  3601. this.graphicsReadyCallback = null;
  3602. this.graphicsReady = false;
  3603. this.useRequestAnimationFrame = false;
  3604. this.cancelled = false;
  3605. this.capability = createPromiseCapability();
  3606. this.task = new RenderTask(this);
  3607. this._continueBound = this._continue.bind(this);
  3608. this._scheduleNextBound = this._scheduleNext.bind(this);
  3609. this._nextBound = this._next.bind(this);
  3610. }
  3611. InternalRenderTask.prototype = {
  3612. initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) {
  3613. if (this.cancelled) {
  3614. return;
  3615. }
  3616. if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) {
  3617. this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);
  3618. this.stepper.init(this.operatorList);
  3619. this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
  3620. }
  3621. var params = this.params;
  3622. this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, params.imageLayer);
  3623. this.gfx.beginDrawing(params.transform, params.viewport, transparency);
  3624. this.operatorListIdx = 0;
  3625. this.graphicsReady = true;
  3626. if (this.graphicsReadyCallback) {
  3627. this.graphicsReadyCallback();
  3628. }
  3629. },
  3630. cancel: function InternalRenderTask_cancel() {
  3631. this.running = false;
  3632. this.cancelled = true;
  3633. this.callback('cancelled');
  3634. },
  3635. operatorListChanged: function InternalRenderTask_operatorListChanged() {
  3636. if (!this.graphicsReady) {
  3637. if (!this.graphicsReadyCallback) {
  3638. this.graphicsReadyCallback = this._continueBound;
  3639. }
  3640. return;
  3641. }
  3642. if (this.stepper) {
  3643. this.stepper.updateOperatorList(this.operatorList);
  3644. }
  3645. if (this.running) {
  3646. return;
  3647. }
  3648. this._continue();
  3649. },
  3650. _continue: function InternalRenderTask__continue() {
  3651. this.running = true;
  3652. if (this.cancelled) {
  3653. return;
  3654. }
  3655. if (this.task.onContinue) {
  3656. this.task.onContinue(this._scheduleNextBound);
  3657. } else {
  3658. this._scheduleNext();
  3659. }
  3660. },
  3661. _scheduleNext: function InternalRenderTask__scheduleNext() {
  3662. if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
  3663. window.requestAnimationFrame(this._nextBound);
  3664. } else {
  3665. Promise.resolve(undefined).then(this._nextBound);
  3666. }
  3667. },
  3668. _next: function InternalRenderTask__next() {
  3669. if (this.cancelled) {
  3670. return;
  3671. }
  3672. this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
  3673. if (this.operatorListIdx === this.operatorList.argsArray.length) {
  3674. this.running = false;
  3675. if (this.operatorList.lastChunk) {
  3676. this.gfx.endDrawing();
  3677. this.callback();
  3678. }
  3679. }
  3680. }
  3681. };
  3682. return InternalRenderTask;
  3683. }();
  3684. var _UnsupportedManager = function UnsupportedManagerClosure() {
  3685. var listeners = [];
  3686. return {
  3687. listen: function (cb) {
  3688. deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
  3689. listeners.push(cb);
  3690. },
  3691. notify: function (featureId) {
  3692. for (var i = 0, ii = listeners.length; i < ii; i++) {
  3693. listeners[i](featureId);
  3694. }
  3695. }
  3696. };
  3697. }();
  3698. exports.version = '1.7.316';
  3699. exports.build = '59392fd5';
  3700. exports.getDocument = getDocument;
  3701. exports.PDFDataRangeTransport = PDFDataRangeTransport;
  3702. exports.PDFWorker = PDFWorker;
  3703. exports.PDFDocumentProxy = PDFDocumentProxy;
  3704. exports.PDFPageProxy = PDFPageProxy;
  3705. exports._UnsupportedManager = _UnsupportedManager;
  3706. /***/ }),
  3707. /* 4 */
  3708. /***/ (function(module, exports, __w_pdfjs_require__) {
  3709. "use strict";
  3710. var sharedUtil = __w_pdfjs_require__(0);
  3711. var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
  3712. var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
  3713. var ImageKind = sharedUtil.ImageKind;
  3714. var OPS = sharedUtil.OPS;
  3715. var Util = sharedUtil.Util;
  3716. var isNum = sharedUtil.isNum;
  3717. var isArray = sharedUtil.isArray;
  3718. var warn = sharedUtil.warn;
  3719. var createObjectURL = sharedUtil.createObjectURL;
  3720. var SVG_DEFAULTS = {
  3721. fontStyle: 'normal',
  3722. fontWeight: 'normal',
  3723. fillColor: '#000000'
  3724. };
  3725. var convertImgDataToPng = function convertImgDataToPngClosure() {
  3726. var PNG_HEADER = new Uint8Array([
  3727. 0x89,
  3728. 0x50,
  3729. 0x4e,
  3730. 0x47,
  3731. 0x0d,
  3732. 0x0a,
  3733. 0x1a,
  3734. 0x0a
  3735. ]);
  3736. var CHUNK_WRAPPER_SIZE = 12;
  3737. var crcTable = new Int32Array(256);
  3738. for (var i = 0; i < 256; i++) {
  3739. var c = i;
  3740. for (var h = 0; h < 8; h++) {
  3741. if (c & 1) {
  3742. c = 0xedB88320 ^ c >> 1 & 0x7fffffff;
  3743. } else {
  3744. c = c >> 1 & 0x7fffffff;
  3745. }
  3746. }
  3747. crcTable[i] = c;
  3748. }
  3749. function crc32(data, start, end) {
  3750. var crc = -1;
  3751. for (var i = start; i < end; i++) {
  3752. var a = (crc ^ data[i]) & 0xff;
  3753. var b = crcTable[a];
  3754. crc = crc >>> 8 ^ b;
  3755. }
  3756. return crc ^ -1;
  3757. }
  3758. function writePngChunk(type, body, data, offset) {
  3759. var p = offset;
  3760. var len = body.length;
  3761. data[p] = len >> 24 & 0xff;
  3762. data[p + 1] = len >> 16 & 0xff;
  3763. data[p + 2] = len >> 8 & 0xff;
  3764. data[p + 3] = len & 0xff;
  3765. p += 4;
  3766. data[p] = type.charCodeAt(0) & 0xff;
  3767. data[p + 1] = type.charCodeAt(1) & 0xff;
  3768. data[p + 2] = type.charCodeAt(2) & 0xff;
  3769. data[p + 3] = type.charCodeAt(3) & 0xff;
  3770. p += 4;
  3771. data.set(body, p);
  3772. p += body.length;
  3773. var crc = crc32(data, offset + 4, p);
  3774. data[p] = crc >> 24 & 0xff;
  3775. data[p + 1] = crc >> 16 & 0xff;
  3776. data[p + 2] = crc >> 8 & 0xff;
  3777. data[p + 3] = crc & 0xff;
  3778. }
  3779. function adler32(data, start, end) {
  3780. var a = 1;
  3781. var b = 0;
  3782. for (var i = start; i < end; ++i) {
  3783. a = (a + (data[i] & 0xff)) % 65521;
  3784. b = (b + a) % 65521;
  3785. }
  3786. return b << 16 | a;
  3787. }
  3788. function encode(imgData, kind, forceDataSchema) {
  3789. var width = imgData.width;
  3790. var height = imgData.height;
  3791. var bitDepth, colorType, lineSize;
  3792. var bytes = imgData.data;
  3793. switch (kind) {
  3794. case ImageKind.GRAYSCALE_1BPP:
  3795. colorType = 0;
  3796. bitDepth = 1;
  3797. lineSize = width + 7 >> 3;
  3798. break;
  3799. case ImageKind.RGB_24BPP:
  3800. colorType = 2;
  3801. bitDepth = 8;
  3802. lineSize = width * 3;
  3803. break;
  3804. case ImageKind.RGBA_32BPP:
  3805. colorType = 6;
  3806. bitDepth = 8;
  3807. lineSize = width * 4;
  3808. break;
  3809. default:
  3810. throw new Error('invalid format');
  3811. }
  3812. var literals = new Uint8Array((1 + lineSize) * height);
  3813. var offsetLiterals = 0, offsetBytes = 0;
  3814. var y, i;
  3815. for (y = 0; y < height; ++y) {
  3816. literals[offsetLiterals++] = 0;
  3817. literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
  3818. offsetBytes += lineSize;
  3819. offsetLiterals += lineSize;
  3820. }
  3821. if (kind === ImageKind.GRAYSCALE_1BPP) {
  3822. offsetLiterals = 0;
  3823. for (y = 0; y < height; y++) {
  3824. offsetLiterals++;
  3825. for (i = 0; i < lineSize; i++) {
  3826. literals[offsetLiterals++] ^= 0xFF;
  3827. }
  3828. }
  3829. }
  3830. var ihdr = new Uint8Array([
  3831. width >> 24 & 0xff,
  3832. width >> 16 & 0xff,
  3833. width >> 8 & 0xff,
  3834. width & 0xff,
  3835. height >> 24 & 0xff,
  3836. height >> 16 & 0xff,
  3837. height >> 8 & 0xff,
  3838. height & 0xff,
  3839. bitDepth,
  3840. colorType,
  3841. 0x00,
  3842. 0x00,
  3843. 0x00
  3844. ]);
  3845. var len = literals.length;
  3846. var maxBlockLength = 0xFFFF;
  3847. var deflateBlocks = Math.ceil(len / maxBlockLength);
  3848. var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
  3849. var pi = 0;
  3850. idat[pi++] = 0x78;
  3851. idat[pi++] = 0x9c;
  3852. var pos = 0;
  3853. while (len > maxBlockLength) {
  3854. idat[pi++] = 0x00;
  3855. idat[pi++] = 0xff;
  3856. idat[pi++] = 0xff;
  3857. idat[pi++] = 0x00;
  3858. idat[pi++] = 0x00;
  3859. idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
  3860. pi += maxBlockLength;
  3861. pos += maxBlockLength;
  3862. len -= maxBlockLength;
  3863. }
  3864. idat[pi++] = 0x01;
  3865. idat[pi++] = len & 0xff;
  3866. idat[pi++] = len >> 8 & 0xff;
  3867. idat[pi++] = ~len & 0xffff & 0xff;
  3868. idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
  3869. idat.set(literals.subarray(pos), pi);
  3870. pi += literals.length - pos;
  3871. var adler = adler32(literals, 0, literals.length);
  3872. idat[pi++] = adler >> 24 & 0xff;
  3873. idat[pi++] = adler >> 16 & 0xff;
  3874. idat[pi++] = adler >> 8 & 0xff;
  3875. idat[pi++] = adler & 0xff;
  3876. var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
  3877. var data = new Uint8Array(pngLength);
  3878. var offset = 0;
  3879. data.set(PNG_HEADER, offset);
  3880. offset += PNG_HEADER.length;
  3881. writePngChunk('IHDR', ihdr, data, offset);
  3882. offset += CHUNK_WRAPPER_SIZE + ihdr.length;
  3883. writePngChunk('IDATA', idat, data, offset);
  3884. offset += CHUNK_WRAPPER_SIZE + idat.length;
  3885. writePngChunk('IEND', new Uint8Array(0), data, offset);
  3886. return createObjectURL(data, 'image/png', forceDataSchema);
  3887. }
  3888. return function convertImgDataToPng(imgData, forceDataSchema) {
  3889. var kind = imgData.kind === undefined ? ImageKind.GRAYSCALE_1BPP : imgData.kind;
  3890. return encode(imgData, kind, forceDataSchema);
  3891. };
  3892. }();
  3893. var SVGExtraState = function SVGExtraStateClosure() {
  3894. function SVGExtraState() {
  3895. this.fontSizeScale = 1;
  3896. this.fontWeight = SVG_DEFAULTS.fontWeight;
  3897. this.fontSize = 0;
  3898. this.textMatrix = IDENTITY_MATRIX;
  3899. this.fontMatrix = FONT_IDENTITY_MATRIX;
  3900. this.leading = 0;
  3901. this.x = 0;
  3902. this.y = 0;
  3903. this.lineX = 0;
  3904. this.lineY = 0;
  3905. this.charSpacing = 0;
  3906. this.wordSpacing = 0;
  3907. this.textHScale = 1;
  3908. this.textRise = 0;
  3909. this.fillColor = SVG_DEFAULTS.fillColor;
  3910. this.strokeColor = '#000000';
  3911. this.fillAlpha = 1;
  3912. this.strokeAlpha = 1;
  3913. this.lineWidth = 1;
  3914. this.lineJoin = '';
  3915. this.lineCap = '';
  3916. this.miterLimit = 0;
  3917. this.dashArray = [];
  3918. this.dashPhase = 0;
  3919. this.dependencies = [];
  3920. this.activeClipUrl = null;
  3921. this.clipGroup = null;
  3922. this.maskId = '';
  3923. }
  3924. SVGExtraState.prototype = {
  3925. clone: function SVGExtraState_clone() {
  3926. return Object.create(this);
  3927. },
  3928. setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
  3929. this.x = x;
  3930. this.y = y;
  3931. }
  3932. };
  3933. return SVGExtraState;
  3934. }();
  3935. var SVGGraphics = function SVGGraphicsClosure() {
  3936. function opListToTree(opList) {
  3937. var opTree = [];
  3938. var tmp = [];
  3939. var opListLen = opList.length;
  3940. for (var x = 0; x < opListLen; x++) {
  3941. if (opList[x].fn === 'save') {
  3942. opTree.push({
  3943. 'fnId': 92,
  3944. 'fn': 'group',
  3945. 'items': []
  3946. });
  3947. tmp.push(opTree);
  3948. opTree = opTree[opTree.length - 1].items;
  3949. continue;
  3950. }
  3951. if (opList[x].fn === 'restore') {
  3952. opTree = tmp.pop();
  3953. } else {
  3954. opTree.push(opList[x]);
  3955. }
  3956. }
  3957. return opTree;
  3958. }
  3959. function pf(value) {
  3960. if (value === (value | 0)) {
  3961. return value.toString();
  3962. }
  3963. var s = value.toFixed(10);
  3964. var i = s.length - 1;
  3965. if (s[i] !== '0') {
  3966. return s;
  3967. }
  3968. do {
  3969. i--;
  3970. } while (s[i] === '0');
  3971. return s.substr(0, s[i] === '.' ? i : i + 1);
  3972. }
  3973. function pm(m) {
  3974. if (m[4] === 0 && m[5] === 0) {
  3975. if (m[1] === 0 && m[2] === 0) {
  3976. if (m[0] === 1 && m[3] === 1) {
  3977. return '';
  3978. }
  3979. return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';
  3980. }
  3981. if (m[0] === m[3] && m[1] === -m[2]) {
  3982. var a = Math.acos(m[0]) * 180 / Math.PI;
  3983. return 'rotate(' + pf(a) + ')';
  3984. }
  3985. } else {
  3986. if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
  3987. return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';
  3988. }
  3989. }
  3990. return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';
  3991. }
  3992. function SVGGraphics(commonObjs, objs, forceDataSchema) {
  3993. this.current = new SVGExtraState();
  3994. this.transformMatrix = IDENTITY_MATRIX;
  3995. this.transformStack = [];
  3996. this.extraStack = [];
  3997. this.commonObjs = commonObjs;
  3998. this.objs = objs;
  3999. this.pendingEOFill = false;
  4000. this.embedFonts = false;
  4001. this.embeddedFonts = Object.create(null);
  4002. this.cssStyle = null;
  4003. this.forceDataSchema = !!forceDataSchema;
  4004. }
  4005. var NS = 'http://www.w3.org/2000/svg';
  4006. var XML_NS = 'http://www.w3.org/XML/1998/namespace';
  4007. var XLINK_NS = 'http://www.w3.org/1999/xlink';
  4008. var LINE_CAP_STYLES = [
  4009. 'butt',
  4010. 'round',
  4011. 'square'
  4012. ];
  4013. var LINE_JOIN_STYLES = [
  4014. 'miter',
  4015. 'round',
  4016. 'bevel'
  4017. ];
  4018. var clipCount = 0;
  4019. var maskCount = 0;
  4020. SVGGraphics.prototype = {
  4021. save: function SVGGraphics_save() {
  4022. this.transformStack.push(this.transformMatrix);
  4023. var old = this.current;
  4024. this.extraStack.push(old);
  4025. this.current = old.clone();
  4026. },
  4027. restore: function SVGGraphics_restore() {
  4028. this.transformMatrix = this.transformStack.pop();
  4029. this.current = this.extraStack.pop();
  4030. this.tgrp = null;
  4031. },
  4032. group: function SVGGraphics_group(items) {
  4033. this.save();
  4034. this.executeOpTree(items);
  4035. this.restore();
  4036. },
  4037. loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
  4038. var fnArray = operatorList.fnArray;
  4039. var fnArrayLen = fnArray.length;
  4040. var argsArray = operatorList.argsArray;
  4041. var self = this;
  4042. for (var i = 0; i < fnArrayLen; i++) {
  4043. if (OPS.dependency === fnArray[i]) {
  4044. var deps = argsArray[i];
  4045. for (var n = 0, nn = deps.length; n < nn; n++) {
  4046. var obj = deps[n];
  4047. var common = obj.substring(0, 2) === 'g_';
  4048. var promise;
  4049. if (common) {
  4050. promise = new Promise(function (resolve) {
  4051. self.commonObjs.get(obj, resolve);
  4052. });
  4053. } else {
  4054. promise = new Promise(function (resolve) {
  4055. self.objs.get(obj, resolve);
  4056. });
  4057. }
  4058. this.current.dependencies.push(promise);
  4059. }
  4060. }
  4061. }
  4062. return Promise.all(this.current.dependencies);
  4063. },
  4064. transform: function SVGGraphics_transform(a, b, c, d, e, f) {
  4065. var transformMatrix = [
  4066. a,
  4067. b,
  4068. c,
  4069. d,
  4070. e,
  4071. f
  4072. ];
  4073. this.transformMatrix = Util.transform(this.transformMatrix, transformMatrix);
  4074. this.tgrp = null;
  4075. },
  4076. getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
  4077. this.viewport = viewport;
  4078. var svgElement = this._initialize(viewport);
  4079. return this.loadDependencies(operatorList).then(function () {
  4080. this.transformMatrix = IDENTITY_MATRIX;
  4081. var opTree = this.convertOpList(operatorList);
  4082. this.executeOpTree(opTree);
  4083. return svgElement;
  4084. }.bind(this));
  4085. },
  4086. convertOpList: function SVGGraphics_convertOpList(operatorList) {
  4087. var argsArray = operatorList.argsArray;
  4088. var fnArray = operatorList.fnArray;
  4089. var fnArrayLen = fnArray.length;
  4090. var REVOPS = [];
  4091. var opList = [];
  4092. for (var op in OPS) {
  4093. REVOPS[OPS[op]] = op;
  4094. }
  4095. for (var x = 0; x < fnArrayLen; x++) {
  4096. var fnId = fnArray[x];
  4097. opList.push({
  4098. 'fnId': fnId,
  4099. 'fn': REVOPS[fnId],
  4100. 'args': argsArray[x]
  4101. });
  4102. }
  4103. return opListToTree(opList);
  4104. },
  4105. executeOpTree: function SVGGraphics_executeOpTree(opTree) {
  4106. var opTreeLen = opTree.length;
  4107. for (var x = 0; x < opTreeLen; x++) {
  4108. var fn = opTree[x].fn;
  4109. var fnId = opTree[x].fnId;
  4110. var args = opTree[x].args;
  4111. switch (fnId | 0) {
  4112. case OPS.beginText:
  4113. this.beginText();
  4114. break;
  4115. case OPS.setLeading:
  4116. this.setLeading(args);
  4117. break;
  4118. case OPS.setLeadingMoveText:
  4119. this.setLeadingMoveText(args[0], args[1]);
  4120. break;
  4121. case OPS.setFont:
  4122. this.setFont(args);
  4123. break;
  4124. case OPS.showText:
  4125. this.showText(args[0]);
  4126. break;
  4127. case OPS.showSpacedText:
  4128. this.showText(args[0]);
  4129. break;
  4130. case OPS.endText:
  4131. this.endText();
  4132. break;
  4133. case OPS.moveText:
  4134. this.moveText(args[0], args[1]);
  4135. break;
  4136. case OPS.setCharSpacing:
  4137. this.setCharSpacing(args[0]);
  4138. break;
  4139. case OPS.setWordSpacing:
  4140. this.setWordSpacing(args[0]);
  4141. break;
  4142. case OPS.setHScale:
  4143. this.setHScale(args[0]);
  4144. break;
  4145. case OPS.setTextMatrix:
  4146. this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
  4147. break;
  4148. case OPS.setLineWidth:
  4149. this.setLineWidth(args[0]);
  4150. break;
  4151. case OPS.setLineJoin:
  4152. this.setLineJoin(args[0]);
  4153. break;
  4154. case OPS.setLineCap:
  4155. this.setLineCap(args[0]);
  4156. break;
  4157. case OPS.setMiterLimit:
  4158. this.setMiterLimit(args[0]);
  4159. break;
  4160. case OPS.setFillRGBColor:
  4161. this.setFillRGBColor(args[0], args[1], args[2]);
  4162. break;
  4163. case OPS.setStrokeRGBColor:
  4164. this.setStrokeRGBColor(args[0], args[1], args[2]);
  4165. break;
  4166. case OPS.setDash:
  4167. this.setDash(args[0], args[1]);
  4168. break;
  4169. case OPS.setGState:
  4170. this.setGState(args[0]);
  4171. break;
  4172. case OPS.fill:
  4173. this.fill();
  4174. break;
  4175. case OPS.eoFill:
  4176. this.eoFill();
  4177. break;
  4178. case OPS.stroke:
  4179. this.stroke();
  4180. break;
  4181. case OPS.fillStroke:
  4182. this.fillStroke();
  4183. break;
  4184. case OPS.eoFillStroke:
  4185. this.eoFillStroke();
  4186. break;
  4187. case OPS.clip:
  4188. this.clip('nonzero');
  4189. break;
  4190. case OPS.eoClip:
  4191. this.clip('evenodd');
  4192. break;
  4193. case OPS.paintSolidColorImageMask:
  4194. this.paintSolidColorImageMask();
  4195. break;
  4196. case OPS.paintJpegXObject:
  4197. this.paintJpegXObject(args[0], args[1], args[2]);
  4198. break;
  4199. case OPS.paintImageXObject:
  4200. this.paintImageXObject(args[0]);
  4201. break;
  4202. case OPS.paintInlineImageXObject:
  4203. this.paintInlineImageXObject(args[0]);
  4204. break;
  4205. case OPS.paintImageMaskXObject:
  4206. this.paintImageMaskXObject(args[0]);
  4207. break;
  4208. case OPS.paintFormXObjectBegin:
  4209. this.paintFormXObjectBegin(args[0], args[1]);
  4210. break;
  4211. case OPS.paintFormXObjectEnd:
  4212. this.paintFormXObjectEnd();
  4213. break;
  4214. case OPS.closePath:
  4215. this.closePath();
  4216. break;
  4217. case OPS.closeStroke:
  4218. this.closeStroke();
  4219. break;
  4220. case OPS.closeFillStroke:
  4221. this.closeFillStroke();
  4222. break;
  4223. case OPS.nextLine:
  4224. this.nextLine();
  4225. break;
  4226. case OPS.transform:
  4227. this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
  4228. break;
  4229. case OPS.constructPath:
  4230. this.constructPath(args[0], args[1]);
  4231. break;
  4232. case OPS.endPath:
  4233. this.endPath();
  4234. break;
  4235. case 92:
  4236. this.group(opTree[x].items);
  4237. break;
  4238. default:
  4239. warn('Unimplemented operator ' + fn);
  4240. break;
  4241. }
  4242. }
  4243. },
  4244. setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
  4245. this.current.wordSpacing = wordSpacing;
  4246. },
  4247. setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
  4248. this.current.charSpacing = charSpacing;
  4249. },
  4250. nextLine: function SVGGraphics_nextLine() {
  4251. this.moveText(0, this.current.leading);
  4252. },
  4253. setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
  4254. var current = this.current;
  4255. this.current.textMatrix = this.current.lineMatrix = [
  4256. a,
  4257. b,
  4258. c,
  4259. d,
  4260. e,
  4261. f
  4262. ];
  4263. this.current.x = this.current.lineX = 0;
  4264. this.current.y = this.current.lineY = 0;
  4265. current.xcoords = [];
  4266. current.tspan = document.createElementNS(NS, 'svg:tspan');
  4267. current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
  4268. current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
  4269. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  4270. current.txtElement = document.createElementNS(NS, 'svg:text');
  4271. current.txtElement.appendChild(current.tspan);
  4272. },
  4273. beginText: function SVGGraphics_beginText() {
  4274. this.current.x = this.current.lineX = 0;
  4275. this.current.y = this.current.lineY = 0;
  4276. this.current.textMatrix = IDENTITY_MATRIX;
  4277. this.current.lineMatrix = IDENTITY_MATRIX;
  4278. this.current.tspan = document.createElementNS(NS, 'svg:tspan');
  4279. this.current.txtElement = document.createElementNS(NS, 'svg:text');
  4280. this.current.txtgrp = document.createElementNS(NS, 'svg:g');
  4281. this.current.xcoords = [];
  4282. },
  4283. moveText: function SVGGraphics_moveText(x, y) {
  4284. var current = this.current;
  4285. this.current.x = this.current.lineX += x;
  4286. this.current.y = this.current.lineY += y;
  4287. current.xcoords = [];
  4288. current.tspan = document.createElementNS(NS, 'svg:tspan');
  4289. current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
  4290. current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
  4291. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  4292. },
  4293. showText: function SVGGraphics_showText(glyphs) {
  4294. var current = this.current;
  4295. var font = current.font;
  4296. var fontSize = current.fontSize;
  4297. if (fontSize === 0) {
  4298. return;
  4299. }
  4300. var charSpacing = current.charSpacing;
  4301. var wordSpacing = current.wordSpacing;
  4302. var fontDirection = current.fontDirection;
  4303. var textHScale = current.textHScale * fontDirection;
  4304. var glyphsLength = glyphs.length;
  4305. var vertical = font.vertical;
  4306. var widthAdvanceScale = fontSize * current.fontMatrix[0];
  4307. var x = 0, i;
  4308. for (i = 0; i < glyphsLength; ++i) {
  4309. var glyph = glyphs[i];
  4310. if (glyph === null) {
  4311. x += fontDirection * wordSpacing;
  4312. continue;
  4313. } else if (isNum(glyph)) {
  4314. x += -glyph * fontSize * 0.001;
  4315. continue;
  4316. }
  4317. current.xcoords.push(current.x + x * textHScale);
  4318. var width = glyph.width;
  4319. var character = glyph.fontChar;
  4320. var charWidth = width * widthAdvanceScale + charSpacing * fontDirection;
  4321. x += charWidth;
  4322. current.tspan.textContent += character;
  4323. }
  4324. if (vertical) {
  4325. current.y -= x * textHScale;
  4326. } else {
  4327. current.x += x * textHScale;
  4328. }
  4329. current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' '));
  4330. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  4331. current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
  4332. current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
  4333. if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
  4334. current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);
  4335. }
  4336. if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
  4337. current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);
  4338. }
  4339. if (current.fillColor !== SVG_DEFAULTS.fillColor) {
  4340. current.tspan.setAttributeNS(null, 'fill', current.fillColor);
  4341. }
  4342. current.txtElement.setAttributeNS(null, 'transform', pm(current.textMatrix) + ' scale(1, -1)');
  4343. current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
  4344. current.txtElement.appendChild(current.tspan);
  4345. current.txtgrp.appendChild(current.txtElement);
  4346. this._ensureTransformGroup().appendChild(current.txtElement);
  4347. },
  4348. setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {
  4349. this.setLeading(-y);
  4350. this.moveText(x, y);
  4351. },
  4352. addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
  4353. if (!this.cssStyle) {
  4354. this.cssStyle = document.createElementNS(NS, 'svg:style');
  4355. this.cssStyle.setAttributeNS(null, 'type', 'text/css');
  4356. this.defs.appendChild(this.cssStyle);
  4357. }
  4358. var url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
  4359. this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n';
  4360. },
  4361. setFont: function SVGGraphics_setFont(details) {
  4362. var current = this.current;
  4363. var fontObj = this.commonObjs.get(details[0]);
  4364. var size = details[1];
  4365. this.current.font = fontObj;
  4366. if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
  4367. this.addFontStyle(fontObj);
  4368. this.embeddedFonts[fontObj.loadedName] = fontObj;
  4369. }
  4370. current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
  4371. var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
  4372. var italic = fontObj.italic ? 'italic' : 'normal';
  4373. if (size < 0) {
  4374. size = -size;
  4375. current.fontDirection = -1;
  4376. } else {
  4377. current.fontDirection = 1;
  4378. }
  4379. current.fontSize = size;
  4380. current.fontFamily = fontObj.loadedName;
  4381. current.fontWeight = bold;
  4382. current.fontStyle = italic;
  4383. current.tspan = document.createElementNS(NS, 'svg:tspan');
  4384. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  4385. current.xcoords = [];
  4386. },
  4387. endText: function SVGGraphics_endText() {
  4388. },
  4389. setLineWidth: function SVGGraphics_setLineWidth(width) {
  4390. this.current.lineWidth = width;
  4391. },
  4392. setLineCap: function SVGGraphics_setLineCap(style) {
  4393. this.current.lineCap = LINE_CAP_STYLES[style];
  4394. },
  4395. setLineJoin: function SVGGraphics_setLineJoin(style) {
  4396. this.current.lineJoin = LINE_JOIN_STYLES[style];
  4397. },
  4398. setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
  4399. this.current.miterLimit = limit;
  4400. },
  4401. setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
  4402. var color = Util.makeCssRgb(r, g, b);
  4403. this.current.strokeColor = color;
  4404. },
  4405. setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
  4406. var color = Util.makeCssRgb(r, g, b);
  4407. this.current.fillColor = color;
  4408. this.current.tspan = document.createElementNS(NS, 'svg:tspan');
  4409. this.current.xcoords = [];
  4410. },
  4411. setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
  4412. this.current.dashArray = dashArray;
  4413. this.current.dashPhase = dashPhase;
  4414. },
  4415. constructPath: function SVGGraphics_constructPath(ops, args) {
  4416. var current = this.current;
  4417. var x = current.x, y = current.y;
  4418. current.path = document.createElementNS(NS, 'svg:path');
  4419. var d = [];
  4420. var opLength = ops.length;
  4421. for (var i = 0, j = 0; i < opLength; i++) {
  4422. switch (ops[i] | 0) {
  4423. case OPS.rectangle:
  4424. x = args[j++];
  4425. y = args[j++];
  4426. var width = args[j++];
  4427. var height = args[j++];
  4428. var xw = x + width;
  4429. var yh = y + height;
  4430. d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z');
  4431. break;
  4432. case OPS.moveTo:
  4433. x = args[j++];
  4434. y = args[j++];
  4435. d.push('M', pf(x), pf(y));
  4436. break;
  4437. case OPS.lineTo:
  4438. x = args[j++];
  4439. y = args[j++];
  4440. d.push('L', pf(x), pf(y));
  4441. break;
  4442. case OPS.curveTo:
  4443. x = args[j + 4];
  4444. y = args[j + 5];
  4445. d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
  4446. j += 6;
  4447. break;
  4448. case OPS.curveTo2:
  4449. x = args[j + 2];
  4450. y = args[j + 3];
  4451. d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
  4452. j += 4;
  4453. break;
  4454. case OPS.curveTo3:
  4455. x = args[j + 2];
  4456. y = args[j + 3];
  4457. d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
  4458. j += 4;
  4459. break;
  4460. case OPS.closePath:
  4461. d.push('Z');
  4462. break;
  4463. }
  4464. }
  4465. current.path.setAttributeNS(null, 'd', d.join(' '));
  4466. current.path.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
  4467. current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap);
  4468. current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
  4469. current.path.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px');
  4470. current.path.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' '));
  4471. current.path.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px');
  4472. current.path.setAttributeNS(null, 'fill', 'none');
  4473. this._ensureTransformGroup().appendChild(current.path);
  4474. current.element = current.path;
  4475. current.setCurrentPoint(x, y);
  4476. },
  4477. endPath: function SVGGraphics_endPath() {
  4478. },
  4479. clip: function SVGGraphics_clip(type) {
  4480. var current = this.current;
  4481. var clipId = 'clippath' + clipCount;
  4482. clipCount++;
  4483. var clipPath = document.createElementNS(NS, 'svg:clipPath');
  4484. clipPath.setAttributeNS(null, 'id', clipId);
  4485. clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
  4486. var clipElement = current.element.cloneNode();
  4487. if (type === 'evenodd') {
  4488. clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
  4489. } else {
  4490. clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
  4491. }
  4492. clipPath.appendChild(clipElement);
  4493. this.defs.appendChild(clipPath);
  4494. if (current.activeClipUrl) {
  4495. current.clipGroup = null;
  4496. this.extraStack.forEach(function (prev) {
  4497. prev.clipGroup = null;
  4498. });
  4499. }
  4500. current.activeClipUrl = 'url(#' + clipId + ')';
  4501. this.tgrp = null;
  4502. },
  4503. closePath: function SVGGraphics_closePath() {
  4504. var current = this.current;
  4505. var d = current.path.getAttributeNS(null, 'd');
  4506. d += 'Z';
  4507. current.path.setAttributeNS(null, 'd', d);
  4508. },
  4509. setLeading: function SVGGraphics_setLeading(leading) {
  4510. this.current.leading = -leading;
  4511. },
  4512. setTextRise: function SVGGraphics_setTextRise(textRise) {
  4513. this.current.textRise = textRise;
  4514. },
  4515. setHScale: function SVGGraphics_setHScale(scale) {
  4516. this.current.textHScale = scale / 100;
  4517. },
  4518. setGState: function SVGGraphics_setGState(states) {
  4519. for (var i = 0, ii = states.length; i < ii; i++) {
  4520. var state = states[i];
  4521. var key = state[0];
  4522. var value = state[1];
  4523. switch (key) {
  4524. case 'LW':
  4525. this.setLineWidth(value);
  4526. break;
  4527. case 'LC':
  4528. this.setLineCap(value);
  4529. break;
  4530. case 'LJ':
  4531. this.setLineJoin(value);
  4532. break;
  4533. case 'ML':
  4534. this.setMiterLimit(value);
  4535. break;
  4536. case 'D':
  4537. this.setDash(value[0], value[1]);
  4538. break;
  4539. case 'Font':
  4540. this.setFont(value);
  4541. break;
  4542. default:
  4543. warn('Unimplemented graphic state ' + key);
  4544. break;
  4545. }
  4546. }
  4547. },
  4548. fill: function SVGGraphics_fill() {
  4549. var current = this.current;
  4550. current.element.setAttributeNS(null, 'fill', current.fillColor);
  4551. },
  4552. stroke: function SVGGraphics_stroke() {
  4553. var current = this.current;
  4554. current.element.setAttributeNS(null, 'stroke', current.strokeColor);
  4555. current.element.setAttributeNS(null, 'fill', 'none');
  4556. },
  4557. eoFill: function SVGGraphics_eoFill() {
  4558. var current = this.current;
  4559. current.element.setAttributeNS(null, 'fill', current.fillColor);
  4560. current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
  4561. },
  4562. fillStroke: function SVGGraphics_fillStroke() {
  4563. this.stroke();
  4564. this.fill();
  4565. },
  4566. eoFillStroke: function SVGGraphics_eoFillStroke() {
  4567. this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
  4568. this.fillStroke();
  4569. },
  4570. closeStroke: function SVGGraphics_closeStroke() {
  4571. this.closePath();
  4572. this.stroke();
  4573. },
  4574. closeFillStroke: function SVGGraphics_closeFillStroke() {
  4575. this.closePath();
  4576. this.fillStroke();
  4577. },
  4578. paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() {
  4579. var current = this.current;
  4580. var rect = document.createElementNS(NS, 'svg:rect');
  4581. rect.setAttributeNS(null, 'x', '0');
  4582. rect.setAttributeNS(null, 'y', '0');
  4583. rect.setAttributeNS(null, 'width', '1px');
  4584. rect.setAttributeNS(null, 'height', '1px');
  4585. rect.setAttributeNS(null, 'fill', current.fillColor);
  4586. this._ensureTransformGroup().appendChild(rect);
  4587. },
  4588. paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
  4589. var imgObj = this.objs.get(objId);
  4590. var imgEl = document.createElementNS(NS, 'svg:image');
  4591. imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
  4592. imgEl.setAttributeNS(null, 'width', imgObj.width + 'px');
  4593. imgEl.setAttributeNS(null, 'height', imgObj.height + 'px');
  4594. imgEl.setAttributeNS(null, 'x', '0');
  4595. imgEl.setAttributeNS(null, 'y', pf(-h));
  4596. imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
  4597. this._ensureTransformGroup().appendChild(imgEl);
  4598. },
  4599. paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
  4600. var imgData = this.objs.get(objId);
  4601. if (!imgData) {
  4602. warn('Dependent image isn\'t ready yet');
  4603. return;
  4604. }
  4605. this.paintInlineImageXObject(imgData);
  4606. },
  4607. paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) {
  4608. var width = imgData.width;
  4609. var height = imgData.height;
  4610. var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);
  4611. var cliprect = document.createElementNS(NS, 'svg:rect');
  4612. cliprect.setAttributeNS(null, 'x', '0');
  4613. cliprect.setAttributeNS(null, 'y', '0');
  4614. cliprect.setAttributeNS(null, 'width', pf(width));
  4615. cliprect.setAttributeNS(null, 'height', pf(height));
  4616. this.current.element = cliprect;
  4617. this.clip('nonzero');
  4618. var imgEl = document.createElementNS(NS, 'svg:image');
  4619. imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
  4620. imgEl.setAttributeNS(null, 'x', '0');
  4621. imgEl.setAttributeNS(null, 'y', pf(-height));
  4622. imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
  4623. imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
  4624. imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')');
  4625. if (mask) {
  4626. mask.appendChild(imgEl);
  4627. } else {
  4628. this._ensureTransformGroup().appendChild(imgEl);
  4629. }
  4630. },
  4631. paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) {
  4632. var current = this.current;
  4633. var width = imgData.width;
  4634. var height = imgData.height;
  4635. var fillColor = current.fillColor;
  4636. current.maskId = 'mask' + maskCount++;
  4637. var mask = document.createElementNS(NS, 'svg:mask');
  4638. mask.setAttributeNS(null, 'id', current.maskId);
  4639. var rect = document.createElementNS(NS, 'svg:rect');
  4640. rect.setAttributeNS(null, 'x', '0');
  4641. rect.setAttributeNS(null, 'y', '0');
  4642. rect.setAttributeNS(null, 'width', pf(width));
  4643. rect.setAttributeNS(null, 'height', pf(height));
  4644. rect.setAttributeNS(null, 'fill', fillColor);
  4645. rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');
  4646. this.defs.appendChild(mask);
  4647. this._ensureTransformGroup().appendChild(rect);
  4648. this.paintInlineImageXObject(imgData, mask);
  4649. },
  4650. paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
  4651. if (isArray(matrix) && matrix.length === 6) {
  4652. this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
  4653. }
  4654. if (isArray(bbox) && bbox.length === 4) {
  4655. var width = bbox[2] - bbox[0];
  4656. var height = bbox[3] - bbox[1];
  4657. var cliprect = document.createElementNS(NS, 'svg:rect');
  4658. cliprect.setAttributeNS(null, 'x', bbox[0]);
  4659. cliprect.setAttributeNS(null, 'y', bbox[1]);
  4660. cliprect.setAttributeNS(null, 'width', pf(width));
  4661. cliprect.setAttributeNS(null, 'height', pf(height));
  4662. this.current.element = cliprect;
  4663. this.clip('nonzero');
  4664. this.endPath();
  4665. }
  4666. },
  4667. paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {
  4668. },
  4669. _initialize: function SVGGraphics_initialize(viewport) {
  4670. var svg = document.createElementNS(NS, 'svg:svg');
  4671. svg.setAttributeNS(null, 'version', '1.1');
  4672. svg.setAttributeNS(null, 'width', viewport.width + 'px');
  4673. svg.setAttributeNS(null, 'height', viewport.height + 'px');
  4674. svg.setAttributeNS(null, 'preserveAspectRatio', 'none');
  4675. svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width + ' ' + viewport.height);
  4676. var definitions = document.createElementNS(NS, 'svg:defs');
  4677. svg.appendChild(definitions);
  4678. this.defs = definitions;
  4679. var rootGroup = document.createElementNS(NS, 'svg:g');
  4680. rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
  4681. svg.appendChild(rootGroup);
  4682. this.svg = rootGroup;
  4683. return svg;
  4684. },
  4685. _ensureClipGroup: function SVGGraphics_ensureClipGroup() {
  4686. if (!this.current.clipGroup) {
  4687. var clipGroup = document.createElementNS(NS, 'svg:g');
  4688. clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
  4689. this.svg.appendChild(clipGroup);
  4690. this.current.clipGroup = clipGroup;
  4691. }
  4692. return this.current.clipGroup;
  4693. },
  4694. _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {
  4695. if (!this.tgrp) {
  4696. this.tgrp = document.createElementNS(NS, 'svg:g');
  4697. this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
  4698. if (this.current.activeClipUrl) {
  4699. this._ensureClipGroup().appendChild(this.tgrp);
  4700. } else {
  4701. this.svg.appendChild(this.tgrp);
  4702. }
  4703. }
  4704. return this.tgrp;
  4705. }
  4706. };
  4707. return SVGGraphics;
  4708. }();
  4709. exports.SVGGraphics = SVGGraphics;
  4710. /***/ }),
  4711. /* 5 */
  4712. /***/ (function(module, exports, __w_pdfjs_require__) {
  4713. "use strict";
  4714. var sharedUtil = __w_pdfjs_require__(0);
  4715. var displayDOMUtils = __w_pdfjs_require__(1);
  4716. var Util = sharedUtil.Util;
  4717. var createPromiseCapability = sharedUtil.createPromiseCapability;
  4718. var CustomStyle = displayDOMUtils.CustomStyle;
  4719. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  4720. var renderTextLayer = function renderTextLayerClosure() {
  4721. var MAX_TEXT_DIVS_TO_RENDER = 100000;
  4722. var NonWhitespaceRegexp = /\S/;
  4723. function isAllWhitespace(str) {
  4724. return !NonWhitespaceRegexp.test(str);
  4725. }
  4726. var styleBuf = [
  4727. 'left: ',
  4728. 0,
  4729. 'px; top: ',
  4730. 0,
  4731. 'px; font-size: ',
  4732. 0,
  4733. 'px; font-family: ',
  4734. '',
  4735. ';'
  4736. ];
  4737. function appendText(task, geom, styles) {
  4738. var textDiv = document.createElement('div');
  4739. var textDivProperties = {
  4740. style: null,
  4741. angle: 0,
  4742. canvasWidth: 0,
  4743. isWhitespace: false,
  4744. originalTransform: null,
  4745. paddingBottom: 0,
  4746. paddingLeft: 0,
  4747. paddingRight: 0,
  4748. paddingTop: 0,
  4749. scale: 1
  4750. };
  4751. task._textDivs.push(textDiv);
  4752. if (isAllWhitespace(geom.str)) {
  4753. textDivProperties.isWhitespace = true;
  4754. task._textDivProperties.set(textDiv, textDivProperties);
  4755. return;
  4756. }
  4757. var tx = Util.transform(task._viewport.transform, geom.transform);
  4758. var angle = Math.atan2(tx[1], tx[0]);
  4759. var style = styles[geom.fontName];
  4760. if (style.vertical) {
  4761. angle += Math.PI / 2;
  4762. }
  4763. var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
  4764. var fontAscent = fontHeight;
  4765. if (style.ascent) {
  4766. fontAscent = style.ascent * fontAscent;
  4767. } else if (style.descent) {
  4768. fontAscent = (1 + style.descent) * fontAscent;
  4769. }
  4770. var left;
  4771. var top;
  4772. if (angle === 0) {
  4773. left = tx[4];
  4774. top = tx[5] - fontAscent;
  4775. } else {
  4776. left = tx[4] + fontAscent * Math.sin(angle);
  4777. top = tx[5] - fontAscent * Math.cos(angle);
  4778. }
  4779. styleBuf[1] = left;
  4780. styleBuf[3] = top;
  4781. styleBuf[5] = fontHeight;
  4782. styleBuf[7] = style.fontFamily;
  4783. textDivProperties.style = styleBuf.join('');
  4784. textDiv.setAttribute('style', textDivProperties.style);
  4785. textDiv.textContent = geom.str;
  4786. if (getDefaultSetting('pdfBug')) {
  4787. textDiv.dataset.fontName = geom.fontName;
  4788. }
  4789. if (angle !== 0) {
  4790. textDivProperties.angle = angle * (180 / Math.PI);
  4791. }
  4792. if (geom.str.length > 1) {
  4793. if (style.vertical) {
  4794. textDivProperties.canvasWidth = geom.height * task._viewport.scale;
  4795. } else {
  4796. textDivProperties.canvasWidth = geom.width * task._viewport.scale;
  4797. }
  4798. }
  4799. task._textDivProperties.set(textDiv, textDivProperties);
  4800. if (task._enhanceTextSelection) {
  4801. var angleCos = 1, angleSin = 0;
  4802. if (angle !== 0) {
  4803. angleCos = Math.cos(angle);
  4804. angleSin = Math.sin(angle);
  4805. }
  4806. var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
  4807. var divHeight = fontHeight;
  4808. var m, b;
  4809. if (angle !== 0) {
  4810. m = [
  4811. angleCos,
  4812. angleSin,
  4813. -angleSin,
  4814. angleCos,
  4815. left,
  4816. top
  4817. ];
  4818. b = Util.getAxialAlignedBoundingBox([
  4819. 0,
  4820. 0,
  4821. divWidth,
  4822. divHeight
  4823. ], m);
  4824. } else {
  4825. b = [
  4826. left,
  4827. top,
  4828. left + divWidth,
  4829. top + divHeight
  4830. ];
  4831. }
  4832. task._bounds.push({
  4833. left: b[0],
  4834. top: b[1],
  4835. right: b[2],
  4836. bottom: b[3],
  4837. div: textDiv,
  4838. size: [
  4839. divWidth,
  4840. divHeight
  4841. ],
  4842. m: m
  4843. });
  4844. }
  4845. }
  4846. function render(task) {
  4847. if (task._canceled) {
  4848. return;
  4849. }
  4850. var textLayerFrag = task._container;
  4851. var textDivs = task._textDivs;
  4852. var capability = task._capability;
  4853. var textDivsLength = textDivs.length;
  4854. if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
  4855. task._renderingDone = true;
  4856. capability.resolve();
  4857. return;
  4858. }
  4859. var canvas = document.createElement('canvas');
  4860. canvas.mozOpaque = true;
  4861. var ctx = canvas.getContext('2d', { alpha: false });
  4862. var lastFontSize;
  4863. var lastFontFamily;
  4864. for (var i = 0; i < textDivsLength; i++) {
  4865. var textDiv = textDivs[i];
  4866. var textDivProperties = task._textDivProperties.get(textDiv);
  4867. if (textDivProperties.isWhitespace) {
  4868. continue;
  4869. }
  4870. var fontSize = textDiv.style.fontSize;
  4871. var fontFamily = textDiv.style.fontFamily;
  4872. if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
  4873. ctx.font = fontSize + ' ' + fontFamily;
  4874. lastFontSize = fontSize;
  4875. lastFontFamily = fontFamily;
  4876. }
  4877. var width = ctx.measureText(textDiv.textContent).width;
  4878. textLayerFrag.appendChild(textDiv);
  4879. var transform = '';
  4880. if (textDivProperties.canvasWidth !== 0 && width > 0) {
  4881. textDivProperties.scale = textDivProperties.canvasWidth / width;
  4882. transform = 'scaleX(' + textDivProperties.scale + ')';
  4883. }
  4884. if (textDivProperties.angle !== 0) {
  4885. transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
  4886. }
  4887. if (transform !== '') {
  4888. textDivProperties.originalTransform = transform;
  4889. CustomStyle.setProp('transform', textDiv, transform);
  4890. }
  4891. task._textDivProperties.set(textDiv, textDivProperties);
  4892. }
  4893. task._renderingDone = true;
  4894. capability.resolve();
  4895. }
  4896. function expand(task) {
  4897. var bounds = task._bounds;
  4898. var viewport = task._viewport;
  4899. var expanded = expandBounds(viewport.width, viewport.height, bounds);
  4900. for (var i = 0; i < expanded.length; i++) {
  4901. var div = bounds[i].div;
  4902. var divProperties = task._textDivProperties.get(div);
  4903. if (divProperties.angle === 0) {
  4904. divProperties.paddingLeft = bounds[i].left - expanded[i].left;
  4905. divProperties.paddingTop = bounds[i].top - expanded[i].top;
  4906. divProperties.paddingRight = expanded[i].right - bounds[i].right;
  4907. divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
  4908. task._textDivProperties.set(div, divProperties);
  4909. continue;
  4910. }
  4911. var e = expanded[i], b = bounds[i];
  4912. var m = b.m, c = m[0], s = m[1];
  4913. var points = [
  4914. [
  4915. 0,
  4916. 0
  4917. ],
  4918. [
  4919. 0,
  4920. b.size[1]
  4921. ],
  4922. [
  4923. b.size[0],
  4924. 0
  4925. ],
  4926. b.size
  4927. ];
  4928. var ts = new Float64Array(64);
  4929. points.forEach(function (p, i) {
  4930. var t = Util.applyTransform(p, m);
  4931. ts[i + 0] = c && (e.left - t[0]) / c;
  4932. ts[i + 4] = s && (e.top - t[1]) / s;
  4933. ts[i + 8] = c && (e.right - t[0]) / c;
  4934. ts[i + 12] = s && (e.bottom - t[1]) / s;
  4935. ts[i + 16] = s && (e.left - t[0]) / -s;
  4936. ts[i + 20] = c && (e.top - t[1]) / c;
  4937. ts[i + 24] = s && (e.right - t[0]) / -s;
  4938. ts[i + 28] = c && (e.bottom - t[1]) / c;
  4939. ts[i + 32] = c && (e.left - t[0]) / -c;
  4940. ts[i + 36] = s && (e.top - t[1]) / -s;
  4941. ts[i + 40] = c && (e.right - t[0]) / -c;
  4942. ts[i + 44] = s && (e.bottom - t[1]) / -s;
  4943. ts[i + 48] = s && (e.left - t[0]) / s;
  4944. ts[i + 52] = c && (e.top - t[1]) / -c;
  4945. ts[i + 56] = s && (e.right - t[0]) / s;
  4946. ts[i + 60] = c && (e.bottom - t[1]) / -c;
  4947. });
  4948. var findPositiveMin = function (ts, offset, count) {
  4949. var result = 0;
  4950. for (var i = 0; i < count; i++) {
  4951. var t = ts[offset++];
  4952. if (t > 0) {
  4953. result = result ? Math.min(t, result) : t;
  4954. }
  4955. }
  4956. return result;
  4957. };
  4958. var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
  4959. divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
  4960. divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
  4961. divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
  4962. divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
  4963. task._textDivProperties.set(div, divProperties);
  4964. }
  4965. }
  4966. function expandBounds(width, height, boxes) {
  4967. var bounds = boxes.map(function (box, i) {
  4968. return {
  4969. x1: box.left,
  4970. y1: box.top,
  4971. x2: box.right,
  4972. y2: box.bottom,
  4973. index: i,
  4974. x1New: undefined,
  4975. x2New: undefined
  4976. };
  4977. });
  4978. expandBoundsLTR(width, bounds);
  4979. var expanded = new Array(boxes.length);
  4980. bounds.forEach(function (b) {
  4981. var i = b.index;
  4982. expanded[i] = {
  4983. left: b.x1New,
  4984. top: 0,
  4985. right: b.x2New,
  4986. bottom: 0
  4987. };
  4988. });
  4989. boxes.map(function (box, i) {
  4990. var e = expanded[i], b = bounds[i];
  4991. b.x1 = box.top;
  4992. b.y1 = width - e.right;
  4993. b.x2 = box.bottom;
  4994. b.y2 = width - e.left;
  4995. b.index = i;
  4996. b.x1New = undefined;
  4997. b.x2New = undefined;
  4998. });
  4999. expandBoundsLTR(height, bounds);
  5000. bounds.forEach(function (b) {
  5001. var i = b.index;
  5002. expanded[i].top = b.x1New;
  5003. expanded[i].bottom = b.x2New;
  5004. });
  5005. return expanded;
  5006. }
  5007. function expandBoundsLTR(width, bounds) {
  5008. bounds.sort(function (a, b) {
  5009. return a.x1 - b.x1 || a.index - b.index;
  5010. });
  5011. var fakeBoundary = {
  5012. x1: -Infinity,
  5013. y1: -Infinity,
  5014. x2: 0,
  5015. y2: Infinity,
  5016. index: -1,
  5017. x1New: 0,
  5018. x2New: 0
  5019. };
  5020. var horizon = [{
  5021. start: -Infinity,
  5022. end: Infinity,
  5023. boundary: fakeBoundary
  5024. }];
  5025. bounds.forEach(function (boundary) {
  5026. var i = 0;
  5027. while (i < horizon.length && horizon[i].end <= boundary.y1) {
  5028. i++;
  5029. }
  5030. var j = horizon.length - 1;
  5031. while (j >= 0 && horizon[j].start >= boundary.y2) {
  5032. j--;
  5033. }
  5034. var horizonPart, affectedBoundary;
  5035. var q, k, maxXNew = -Infinity;
  5036. for (q = i; q <= j; q++) {
  5037. horizonPart = horizon[q];
  5038. affectedBoundary = horizonPart.boundary;
  5039. var xNew;
  5040. if (affectedBoundary.x2 > boundary.x1) {
  5041. xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
  5042. } else if (affectedBoundary.x2New === undefined) {
  5043. xNew = (affectedBoundary.x2 + boundary.x1) / 2;
  5044. } else {
  5045. xNew = affectedBoundary.x2New;
  5046. }
  5047. if (xNew > maxXNew) {
  5048. maxXNew = xNew;
  5049. }
  5050. }
  5051. boundary.x1New = maxXNew;
  5052. for (q = i; q <= j; q++) {
  5053. horizonPart = horizon[q];
  5054. affectedBoundary = horizonPart.boundary;
  5055. if (affectedBoundary.x2New === undefined) {
  5056. if (affectedBoundary.x2 > boundary.x1) {
  5057. if (affectedBoundary.index > boundary.index) {
  5058. affectedBoundary.x2New = affectedBoundary.x2;
  5059. }
  5060. } else {
  5061. affectedBoundary.x2New = maxXNew;
  5062. }
  5063. } else if (affectedBoundary.x2New > maxXNew) {
  5064. affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
  5065. }
  5066. }
  5067. var changedHorizon = [], lastBoundary = null;
  5068. for (q = i; q <= j; q++) {
  5069. horizonPart = horizon[q];
  5070. affectedBoundary = horizonPart.boundary;
  5071. var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
  5072. if (lastBoundary === useBoundary) {
  5073. changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
  5074. } else {
  5075. changedHorizon.push({
  5076. start: horizonPart.start,
  5077. end: horizonPart.end,
  5078. boundary: useBoundary
  5079. });
  5080. lastBoundary = useBoundary;
  5081. }
  5082. }
  5083. if (horizon[i].start < boundary.y1) {
  5084. changedHorizon[0].start = boundary.y1;
  5085. changedHorizon.unshift({
  5086. start: horizon[i].start,
  5087. end: boundary.y1,
  5088. boundary: horizon[i].boundary
  5089. });
  5090. }
  5091. if (boundary.y2 < horizon[j].end) {
  5092. changedHorizon[changedHorizon.length - 1].end = boundary.y2;
  5093. changedHorizon.push({
  5094. start: boundary.y2,
  5095. end: horizon[j].end,
  5096. boundary: horizon[j].boundary
  5097. });
  5098. }
  5099. for (q = i; q <= j; q++) {
  5100. horizonPart = horizon[q];
  5101. affectedBoundary = horizonPart.boundary;
  5102. if (affectedBoundary.x2New !== undefined) {
  5103. continue;
  5104. }
  5105. var used = false;
  5106. for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
  5107. used = horizon[k].boundary === affectedBoundary;
  5108. }
  5109. for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
  5110. used = horizon[k].boundary === affectedBoundary;
  5111. }
  5112. for (k = 0; !used && k < changedHorizon.length; k++) {
  5113. used = changedHorizon[k].boundary === affectedBoundary;
  5114. }
  5115. if (!used) {
  5116. affectedBoundary.x2New = maxXNew;
  5117. }
  5118. }
  5119. Array.prototype.splice.apply(horizon, [
  5120. i,
  5121. j - i + 1
  5122. ].concat(changedHorizon));
  5123. });
  5124. horizon.forEach(function (horizonPart) {
  5125. var affectedBoundary = horizonPart.boundary;
  5126. if (affectedBoundary.x2New === undefined) {
  5127. affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
  5128. }
  5129. });
  5130. }
  5131. function TextLayerRenderTask(textContent, container, viewport, textDivs, enhanceTextSelection) {
  5132. this._textContent = textContent;
  5133. this._container = container;
  5134. this._viewport = viewport;
  5135. this._textDivs = textDivs || [];
  5136. this._textDivProperties = new WeakMap();
  5137. this._renderingDone = false;
  5138. this._canceled = false;
  5139. this._capability = createPromiseCapability();
  5140. this._renderTimer = null;
  5141. this._bounds = [];
  5142. this._enhanceTextSelection = !!enhanceTextSelection;
  5143. }
  5144. TextLayerRenderTask.prototype = {
  5145. get promise() {
  5146. return this._capability.promise;
  5147. },
  5148. cancel: function TextLayer_cancel() {
  5149. this._canceled = true;
  5150. if (this._renderTimer !== null) {
  5151. clearTimeout(this._renderTimer);
  5152. this._renderTimer = null;
  5153. }
  5154. this._capability.reject('canceled');
  5155. },
  5156. _render: function TextLayer_render(timeout) {
  5157. var textItems = this._textContent.items;
  5158. var textStyles = this._textContent.styles;
  5159. for (var i = 0, len = textItems.length; i < len; i++) {
  5160. appendText(this, textItems[i], textStyles);
  5161. }
  5162. if (!timeout) {
  5163. render(this);
  5164. } else {
  5165. var self = this;
  5166. this._renderTimer = setTimeout(function () {
  5167. render(self);
  5168. self._renderTimer = null;
  5169. }, timeout);
  5170. }
  5171. },
  5172. expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
  5173. if (!this._enhanceTextSelection || !this._renderingDone) {
  5174. return;
  5175. }
  5176. if (this._bounds !== null) {
  5177. expand(this);
  5178. this._bounds = null;
  5179. }
  5180. for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
  5181. var div = this._textDivs[i];
  5182. var divProperties = this._textDivProperties.get(div);
  5183. if (divProperties.isWhitespace) {
  5184. continue;
  5185. }
  5186. if (expandDivs) {
  5187. var transform = '', padding = '';
  5188. if (divProperties.scale !== 1) {
  5189. transform = 'scaleX(' + divProperties.scale + ')';
  5190. }
  5191. if (divProperties.angle !== 0) {
  5192. transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
  5193. }
  5194. if (divProperties.paddingLeft !== 0) {
  5195. padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
  5196. transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
  5197. }
  5198. if (divProperties.paddingTop !== 0) {
  5199. padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
  5200. transform += ' translateY(' + -divProperties.paddingTop + 'px)';
  5201. }
  5202. if (divProperties.paddingRight !== 0) {
  5203. padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
  5204. }
  5205. if (divProperties.paddingBottom !== 0) {
  5206. padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
  5207. }
  5208. if (padding !== '') {
  5209. div.setAttribute('style', divProperties.style + padding);
  5210. }
  5211. if (transform !== '') {
  5212. CustomStyle.setProp('transform', div, transform);
  5213. }
  5214. } else {
  5215. div.style.padding = 0;
  5216. CustomStyle.setProp('transform', div, divProperties.originalTransform || '');
  5217. }
  5218. }
  5219. }
  5220. };
  5221. function renderTextLayer(renderParameters) {
  5222. var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection);
  5223. task._render(renderParameters.timeout);
  5224. return task;
  5225. }
  5226. return renderTextLayer;
  5227. }();
  5228. exports.renderTextLayer = renderTextLayer;
  5229. /***/ }),
  5230. /* 6 */
  5231. /***/ (function(module, exports) {
  5232. var g;
  5233. g = function () {
  5234. return this;
  5235. }();
  5236. try {
  5237. g = g || Function("return this")() || (1, eval)("this");
  5238. } catch (e) {
  5239. if (typeof window === "object")
  5240. g = window;
  5241. }
  5242. module.exports = g;
  5243. /***/ }),
  5244. /* 7 */
  5245. /***/ (function(module, exports, __w_pdfjs_require__) {
  5246. "use strict";
  5247. var sharedUtil = __w_pdfjs_require__(0);
  5248. var error = sharedUtil.error;
  5249. function fixMetadata(meta) {
  5250. return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
  5251. var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
  5252. return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
  5253. });
  5254. var chars = '';
  5255. for (var i = 0; i < bytes.length; i += 2) {
  5256. var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
  5257. chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
  5258. }
  5259. return '>' + chars;
  5260. });
  5261. }
  5262. function Metadata(meta) {
  5263. if (typeof meta === 'string') {
  5264. meta = fixMetadata(meta);
  5265. var parser = new DOMParser();
  5266. meta = parser.parseFromString(meta, 'application/xml');
  5267. } else if (!(meta instanceof Document)) {
  5268. error('Metadata: Invalid metadata object');
  5269. }
  5270. this.metaDocument = meta;
  5271. this.metadata = Object.create(null);
  5272. this.parse();
  5273. }
  5274. Metadata.prototype = {
  5275. parse: function Metadata_parse() {
  5276. var doc = this.metaDocument;
  5277. var rdf = doc.documentElement;
  5278. if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
  5279. rdf = rdf.firstChild;
  5280. while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
  5281. rdf = rdf.nextSibling;
  5282. }
  5283. }
  5284. var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
  5285. if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
  5286. return;
  5287. }
  5288. var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
  5289. for (i = 0, length = children.length; i < length; i++) {
  5290. desc = children[i];
  5291. if (desc.nodeName.toLowerCase() !== 'rdf:description') {
  5292. continue;
  5293. }
  5294. for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
  5295. if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
  5296. entry = desc.childNodes[ii];
  5297. name = entry.nodeName.toLowerCase();
  5298. this.metadata[name] = entry.textContent.trim();
  5299. }
  5300. }
  5301. }
  5302. },
  5303. get: function Metadata_get(name) {
  5304. return this.metadata[name] || null;
  5305. },
  5306. has: function Metadata_has(name) {
  5307. return typeof this.metadata[name] !== 'undefined';
  5308. }
  5309. };
  5310. exports.Metadata = Metadata;
  5311. /***/ }),
  5312. /* 8 */
  5313. /***/ (function(module, exports, __w_pdfjs_require__) {
  5314. "use strict";
  5315. var sharedUtil = __w_pdfjs_require__(0);
  5316. var displayDOMUtils = __w_pdfjs_require__(1);
  5317. var shadow = sharedUtil.shadow;
  5318. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  5319. var WebGLUtils = function WebGLUtilsClosure() {
  5320. function loadShader(gl, code, shaderType) {
  5321. var shader = gl.createShader(shaderType);
  5322. gl.shaderSource(shader, code);
  5323. gl.compileShader(shader);
  5324. var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
  5325. if (!compiled) {
  5326. var errorMsg = gl.getShaderInfoLog(shader);
  5327. throw new Error('Error during shader compilation: ' + errorMsg);
  5328. }
  5329. return shader;
  5330. }
  5331. function createVertexShader(gl, code) {
  5332. return loadShader(gl, code, gl.VERTEX_SHADER);
  5333. }
  5334. function createFragmentShader(gl, code) {
  5335. return loadShader(gl, code, gl.FRAGMENT_SHADER);
  5336. }
  5337. function createProgram(gl, shaders) {
  5338. var program = gl.createProgram();
  5339. for (var i = 0, ii = shaders.length; i < ii; ++i) {
  5340. gl.attachShader(program, shaders[i]);
  5341. }
  5342. gl.linkProgram(program);
  5343. var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
  5344. if (!linked) {
  5345. var errorMsg = gl.getProgramInfoLog(program);
  5346. throw new Error('Error during program linking: ' + errorMsg);
  5347. }
  5348. return program;
  5349. }
  5350. function createTexture(gl, image, textureId) {
  5351. gl.activeTexture(textureId);
  5352. var texture = gl.createTexture();
  5353. gl.bindTexture(gl.TEXTURE_2D, texture);
  5354. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
  5355. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
  5356. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
  5357. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
  5358. gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
  5359. return texture;
  5360. }
  5361. var currentGL, currentCanvas;
  5362. function generateGL() {
  5363. if (currentGL) {
  5364. return;
  5365. }
  5366. currentCanvas = document.createElement('canvas');
  5367. currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false });
  5368. }
  5369. var smaskVertexShaderCode = '\
  5370. attribute vec2 a_position; \
  5371. attribute vec2 a_texCoord; \
  5372. \
  5373. uniform vec2 u_resolution; \
  5374. \
  5375. varying vec2 v_texCoord; \
  5376. \
  5377. void main() { \
  5378. vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \
  5379. gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
  5380. \
  5381. v_texCoord = a_texCoord; \
  5382. } ';
  5383. var smaskFragmentShaderCode = '\
  5384. precision mediump float; \
  5385. \
  5386. uniform vec4 u_backdrop; \
  5387. uniform int u_subtype; \
  5388. uniform sampler2D u_image; \
  5389. uniform sampler2D u_mask; \
  5390. \
  5391. varying vec2 v_texCoord; \
  5392. \
  5393. void main() { \
  5394. vec4 imageColor = texture2D(u_image, v_texCoord); \
  5395. vec4 maskColor = texture2D(u_mask, v_texCoord); \
  5396. if (u_backdrop.a > 0.0) { \
  5397. maskColor.rgb = maskColor.rgb * maskColor.a + \
  5398. u_backdrop.rgb * (1.0 - maskColor.a); \
  5399. } \
  5400. float lum; \
  5401. if (u_subtype == 0) { \
  5402. lum = maskColor.a; \
  5403. } else { \
  5404. lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \
  5405. maskColor.b * 0.11; \
  5406. } \
  5407. imageColor.a *= lum; \
  5408. imageColor.rgb *= imageColor.a; \
  5409. gl_FragColor = imageColor; \
  5410. } ';
  5411. var smaskCache = null;
  5412. function initSmaskGL() {
  5413. var canvas, gl;
  5414. generateGL();
  5415. canvas = currentCanvas;
  5416. currentCanvas = null;
  5417. gl = currentGL;
  5418. currentGL = null;
  5419. var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
  5420. var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
  5421. var program = createProgram(gl, [
  5422. vertexShader,
  5423. fragmentShader
  5424. ]);
  5425. gl.useProgram(program);
  5426. var cache = {};
  5427. cache.gl = gl;
  5428. cache.canvas = canvas;
  5429. cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
  5430. cache.positionLocation = gl.getAttribLocation(program, 'a_position');
  5431. cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
  5432. cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
  5433. var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
  5434. var texLayerLocation = gl.getUniformLocation(program, 'u_image');
  5435. var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
  5436. var texCoordBuffer = gl.createBuffer();
  5437. gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
  5438. gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
  5439. 0.0,
  5440. 0.0,
  5441. 1.0,
  5442. 0.0,
  5443. 0.0,
  5444. 1.0,
  5445. 0.0,
  5446. 1.0,
  5447. 1.0,
  5448. 0.0,
  5449. 1.0,
  5450. 1.0
  5451. ]), gl.STATIC_DRAW);
  5452. gl.enableVertexAttribArray(texCoordLocation);
  5453. gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
  5454. gl.uniform1i(texLayerLocation, 0);
  5455. gl.uniform1i(texMaskLocation, 1);
  5456. smaskCache = cache;
  5457. }
  5458. function composeSMask(layer, mask, properties) {
  5459. var width = layer.width, height = layer.height;
  5460. if (!smaskCache) {
  5461. initSmaskGL();
  5462. }
  5463. var cache = smaskCache, canvas = cache.canvas, gl = cache.gl;
  5464. canvas.width = width;
  5465. canvas.height = height;
  5466. gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
  5467. gl.uniform2f(cache.resolutionLocation, width, height);
  5468. if (properties.backdrop) {
  5469. gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
  5470. } else {
  5471. gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
  5472. }
  5473. gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0);
  5474. var texture = createTexture(gl, layer, gl.TEXTURE0);
  5475. var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
  5476. var buffer = gl.createBuffer();
  5477. gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
  5478. gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
  5479. 0,
  5480. 0,
  5481. width,
  5482. 0,
  5483. 0,
  5484. height,
  5485. 0,
  5486. height,
  5487. width,
  5488. 0,
  5489. width,
  5490. height
  5491. ]), gl.STATIC_DRAW);
  5492. gl.enableVertexAttribArray(cache.positionLocation);
  5493. gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
  5494. gl.clearColor(0, 0, 0, 0);
  5495. gl.enable(gl.BLEND);
  5496. gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
  5497. gl.clear(gl.COLOR_BUFFER_BIT);
  5498. gl.drawArrays(gl.TRIANGLES, 0, 6);
  5499. gl.flush();
  5500. gl.deleteTexture(texture);
  5501. gl.deleteTexture(maskTexture);
  5502. gl.deleteBuffer(buffer);
  5503. return canvas;
  5504. }
  5505. var figuresVertexShaderCode = '\
  5506. attribute vec2 a_position; \
  5507. attribute vec3 a_color; \
  5508. \
  5509. uniform vec2 u_resolution; \
  5510. uniform vec2 u_scale; \
  5511. uniform vec2 u_offset; \
  5512. \
  5513. varying vec4 v_color; \
  5514. \
  5515. void main() { \
  5516. vec2 position = (a_position + u_offset) * u_scale; \
  5517. vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \
  5518. gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
  5519. \
  5520. v_color = vec4(a_color / 255.0, 1.0); \
  5521. } ';
  5522. var figuresFragmentShaderCode = '\
  5523. precision mediump float; \
  5524. \
  5525. varying vec4 v_color; \
  5526. \
  5527. void main() { \
  5528. gl_FragColor = v_color; \
  5529. } ';
  5530. var figuresCache = null;
  5531. function initFiguresGL() {
  5532. var canvas, gl;
  5533. generateGL();
  5534. canvas = currentCanvas;
  5535. currentCanvas = null;
  5536. gl = currentGL;
  5537. currentGL = null;
  5538. var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
  5539. var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
  5540. var program = createProgram(gl, [
  5541. vertexShader,
  5542. fragmentShader
  5543. ]);
  5544. gl.useProgram(program);
  5545. var cache = {};
  5546. cache.gl = gl;
  5547. cache.canvas = canvas;
  5548. cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
  5549. cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
  5550. cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
  5551. cache.positionLocation = gl.getAttribLocation(program, 'a_position');
  5552. cache.colorLocation = gl.getAttribLocation(program, 'a_color');
  5553. figuresCache = cache;
  5554. }
  5555. function drawFigures(width, height, backgroundColor, figures, context) {
  5556. if (!figuresCache) {
  5557. initFiguresGL();
  5558. }
  5559. var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;
  5560. canvas.width = width;
  5561. canvas.height = height;
  5562. gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
  5563. gl.uniform2f(cache.resolutionLocation, width, height);
  5564. var count = 0;
  5565. var i, ii, rows;
  5566. for (i = 0, ii = figures.length; i < ii; i++) {
  5567. switch (figures[i].type) {
  5568. case 'lattice':
  5569. rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
  5570. count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
  5571. break;
  5572. case 'triangles':
  5573. count += figures[i].coords.length;
  5574. break;
  5575. }
  5576. }
  5577. var coords = new Float32Array(count * 2);
  5578. var colors = new Uint8Array(count * 3);
  5579. var coordsMap = context.coords, colorsMap = context.colors;
  5580. var pIndex = 0, cIndex = 0;
  5581. for (i = 0, ii = figures.length; i < ii; i++) {
  5582. var figure = figures[i], ps = figure.coords, cs = figure.colors;
  5583. switch (figure.type) {
  5584. case 'lattice':
  5585. var cols = figure.verticesPerRow;
  5586. rows = ps.length / cols | 0;
  5587. for (var row = 1; row < rows; row++) {
  5588. var offset = row * cols + 1;
  5589. for (var col = 1; col < cols; col++, offset++) {
  5590. coords[pIndex] = coordsMap[ps[offset - cols - 1]];
  5591. coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
  5592. coords[pIndex + 2] = coordsMap[ps[offset - cols]];
  5593. coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
  5594. coords[pIndex + 4] = coordsMap[ps[offset - 1]];
  5595. coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
  5596. colors[cIndex] = colorsMap[cs[offset - cols - 1]];
  5597. colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
  5598. colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
  5599. colors[cIndex + 3] = colorsMap[cs[offset - cols]];
  5600. colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
  5601. colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
  5602. colors[cIndex + 6] = colorsMap[cs[offset - 1]];
  5603. colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
  5604. colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
  5605. coords[pIndex + 6] = coords[pIndex + 2];
  5606. coords[pIndex + 7] = coords[pIndex + 3];
  5607. coords[pIndex + 8] = coords[pIndex + 4];
  5608. coords[pIndex + 9] = coords[pIndex + 5];
  5609. coords[pIndex + 10] = coordsMap[ps[offset]];
  5610. coords[pIndex + 11] = coordsMap[ps[offset] + 1];
  5611. colors[cIndex + 9] = colors[cIndex + 3];
  5612. colors[cIndex + 10] = colors[cIndex + 4];
  5613. colors[cIndex + 11] = colors[cIndex + 5];
  5614. colors[cIndex + 12] = colors[cIndex + 6];
  5615. colors[cIndex + 13] = colors[cIndex + 7];
  5616. colors[cIndex + 14] = colors[cIndex + 8];
  5617. colors[cIndex + 15] = colorsMap[cs[offset]];
  5618. colors[cIndex + 16] = colorsMap[cs[offset] + 1];
  5619. colors[cIndex + 17] = colorsMap[cs[offset] + 2];
  5620. pIndex += 12;
  5621. cIndex += 18;
  5622. }
  5623. }
  5624. break;
  5625. case 'triangles':
  5626. for (var j = 0, jj = ps.length; j < jj; j++) {
  5627. coords[pIndex] = coordsMap[ps[j]];
  5628. coords[pIndex + 1] = coordsMap[ps[j] + 1];
  5629. colors[cIndex] = colorsMap[cs[j]];
  5630. colors[cIndex + 1] = colorsMap[cs[j] + 1];
  5631. colors[cIndex + 2] = colorsMap[cs[j] + 2];
  5632. pIndex += 2;
  5633. cIndex += 3;
  5634. }
  5635. break;
  5636. }
  5637. }
  5638. if (backgroundColor) {
  5639. gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
  5640. } else {
  5641. gl.clearColor(0, 0, 0, 0);
  5642. }
  5643. gl.clear(gl.COLOR_BUFFER_BIT);
  5644. var coordsBuffer = gl.createBuffer();
  5645. gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
  5646. gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
  5647. gl.enableVertexAttribArray(cache.positionLocation);
  5648. gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
  5649. var colorsBuffer = gl.createBuffer();
  5650. gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
  5651. gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
  5652. gl.enableVertexAttribArray(cache.colorLocation);
  5653. gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
  5654. gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
  5655. gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
  5656. gl.drawArrays(gl.TRIANGLES, 0, count);
  5657. gl.flush();
  5658. gl.deleteBuffer(coordsBuffer);
  5659. gl.deleteBuffer(colorsBuffer);
  5660. return canvas;
  5661. }
  5662. function cleanup() {
  5663. if (smaskCache && smaskCache.canvas) {
  5664. smaskCache.canvas.width = 0;
  5665. smaskCache.canvas.height = 0;
  5666. }
  5667. if (figuresCache && figuresCache.canvas) {
  5668. figuresCache.canvas.width = 0;
  5669. figuresCache.canvas.height = 0;
  5670. }
  5671. smaskCache = null;
  5672. figuresCache = null;
  5673. }
  5674. return {
  5675. get isEnabled() {
  5676. if (getDefaultSetting('disableWebGL')) {
  5677. return false;
  5678. }
  5679. var enabled = false;
  5680. try {
  5681. generateGL();
  5682. enabled = !!currentGL;
  5683. } catch (e) {
  5684. }
  5685. return shadow(this, 'isEnabled', enabled);
  5686. },
  5687. composeSMask: composeSMask,
  5688. drawFigures: drawFigures,
  5689. clear: cleanup
  5690. };
  5691. }();
  5692. exports.WebGLUtils = WebGLUtils;
  5693. /***/ }),
  5694. /* 9 */
  5695. /***/ (function(module, exports, __w_pdfjs_require__) {
  5696. "use strict";
  5697. var sharedUtil = __w_pdfjs_require__(0);
  5698. var displayDOMUtils = __w_pdfjs_require__(1);
  5699. var displayAPI = __w_pdfjs_require__(3);
  5700. var displayAnnotationLayer = __w_pdfjs_require__(2);
  5701. var displayTextLayer = __w_pdfjs_require__(5);
  5702. var displayMetadata = __w_pdfjs_require__(7);
  5703. var displaySVG = __w_pdfjs_require__(4);
  5704. var globalScope = sharedUtil.globalScope;
  5705. var deprecated = sharedUtil.deprecated;
  5706. var warn = sharedUtil.warn;
  5707. var LinkTarget = displayDOMUtils.LinkTarget;
  5708. var DEFAULT_LINK_REL = displayDOMUtils.DEFAULT_LINK_REL;
  5709. var isWorker = typeof window === 'undefined';
  5710. if (!globalScope.PDFJS) {
  5711. globalScope.PDFJS = {};
  5712. }
  5713. var PDFJS = globalScope.PDFJS;
  5714. PDFJS.version = '1.7.316';
  5715. PDFJS.build = '59392fd5';
  5716. PDFJS.pdfBug = false;
  5717. if (PDFJS.verbosity !== undefined) {
  5718. sharedUtil.setVerbosityLevel(PDFJS.verbosity);
  5719. }
  5720. delete PDFJS.verbosity;
  5721. Object.defineProperty(PDFJS, 'verbosity', {
  5722. get: function () {
  5723. return sharedUtil.getVerbosityLevel();
  5724. },
  5725. set: function (level) {
  5726. sharedUtil.setVerbosityLevel(level);
  5727. },
  5728. enumerable: true,
  5729. configurable: true
  5730. });
  5731. PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS;
  5732. PDFJS.OPS = sharedUtil.OPS;
  5733. PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
  5734. PDFJS.isValidUrl = displayDOMUtils.isValidUrl;
  5735. PDFJS.shadow = sharedUtil.shadow;
  5736. PDFJS.createBlob = sharedUtil.createBlob;
  5737. PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
  5738. return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);
  5739. };
  5740. Object.defineProperty(PDFJS, 'isLittleEndian', {
  5741. configurable: true,
  5742. get: function PDFJS_isLittleEndian() {
  5743. var value = sharedUtil.isLittleEndian();
  5744. return sharedUtil.shadow(PDFJS, 'isLittleEndian', value);
  5745. }
  5746. });
  5747. PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters;
  5748. PDFJS.PasswordResponses = sharedUtil.PasswordResponses;
  5749. PDFJS.PasswordException = sharedUtil.PasswordException;
  5750. PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException;
  5751. PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException;
  5752. PDFJS.MissingPDFException = sharedUtil.MissingPDFException;
  5753. PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
  5754. PDFJS.Util = sharedUtil.Util;
  5755. PDFJS.PageViewport = sharedUtil.PageViewport;
  5756. PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability;
  5757. PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize;
  5758. PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl;
  5759. PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
  5760. PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace;
  5761. PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath;
  5762. PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker;
  5763. PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc;
  5764. PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange;
  5765. PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream;
  5766. PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch;
  5767. PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug;
  5768. PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers;
  5769. PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL;
  5770. PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL;
  5771. PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget;
  5772. PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? DEFAULT_LINK_REL : PDFJS.externalLinkRel;
  5773. PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported;
  5774. var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
  5775. delete PDFJS.openExternalLinksInNewWindow;
  5776. Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
  5777. get: function () {
  5778. return PDFJS.externalLinkTarget === LinkTarget.BLANK;
  5779. },
  5780. set: function (value) {
  5781. if (value) {
  5782. deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
  5783. }
  5784. if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {
  5785. warn('PDFJS.externalLinkTarget is already initialized');
  5786. return;
  5787. }
  5788. PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;
  5789. },
  5790. enumerable: true,
  5791. configurable: true
  5792. });
  5793. if (savedOpenExternalLinksInNewWindow) {
  5794. PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
  5795. }
  5796. PDFJS.getDocument = displayAPI.getDocument;
  5797. PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
  5798. PDFJS.PDFWorker = displayAPI.PDFWorker;
  5799. Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
  5800. configurable: true,
  5801. get: function PDFJS_hasCanvasTypedArrays() {
  5802. var value = displayDOMUtils.hasCanvasTypedArrays();
  5803. return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
  5804. }
  5805. });
  5806. PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
  5807. PDFJS.LinkTarget = LinkTarget;
  5808. PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
  5809. PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
  5810. PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
  5811. PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer;
  5812. PDFJS.renderTextLayer = displayTextLayer.renderTextLayer;
  5813. PDFJS.Metadata = displayMetadata.Metadata;
  5814. PDFJS.SVGGraphics = displaySVG.SVGGraphics;
  5815. PDFJS.UnsupportedManager = displayAPI._UnsupportedManager;
  5816. exports.globalScope = globalScope;
  5817. exports.isWorker = isWorker;
  5818. exports.PDFJS = globalScope.PDFJS;
  5819. /***/ }),
  5820. /* 10 */
  5821. /***/ (function(module, exports, __w_pdfjs_require__) {
  5822. "use strict";
  5823. var sharedUtil = __w_pdfjs_require__(0);
  5824. var displayDOMUtils = __w_pdfjs_require__(1);
  5825. var displayPatternHelper = __w_pdfjs_require__(12);
  5826. var displayWebGL = __w_pdfjs_require__(8);
  5827. var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
  5828. var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
  5829. var ImageKind = sharedUtil.ImageKind;
  5830. var OPS = sharedUtil.OPS;
  5831. var TextRenderingMode = sharedUtil.TextRenderingMode;
  5832. var Uint32ArrayView = sharedUtil.Uint32ArrayView;
  5833. var Util = sharedUtil.Util;
  5834. var assert = sharedUtil.assert;
  5835. var info = sharedUtil.info;
  5836. var isNum = sharedUtil.isNum;
  5837. var isArray = sharedUtil.isArray;
  5838. var isLittleEndian = sharedUtil.isLittleEndian;
  5839. var error = sharedUtil.error;
  5840. var shadow = sharedUtil.shadow;
  5841. var warn = sharedUtil.warn;
  5842. var TilingPattern = displayPatternHelper.TilingPattern;
  5843. var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
  5844. var WebGLUtils = displayWebGL.WebGLUtils;
  5845. var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
  5846. var MIN_FONT_SIZE = 16;
  5847. var MAX_FONT_SIZE = 100;
  5848. var MAX_GROUP_SIZE = 4096;
  5849. var MIN_WIDTH_FACTOR = 0.65;
  5850. var COMPILE_TYPE3_GLYPHS = true;
  5851. var MAX_SIZE_TO_COMPILE = 1000;
  5852. var FULL_CHUNK_HEIGHT = 16;
  5853. var HasCanvasTypedArraysCached = {
  5854. get value() {
  5855. return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
  5856. }
  5857. };
  5858. var IsLittleEndianCached = {
  5859. get value() {
  5860. return shadow(IsLittleEndianCached, 'value', isLittleEndian());
  5861. }
  5862. };
  5863. function addContextCurrentTransform(ctx) {
  5864. if (!ctx.mozCurrentTransform) {
  5865. ctx._originalSave = ctx.save;
  5866. ctx._originalRestore = ctx.restore;
  5867. ctx._originalRotate = ctx.rotate;
  5868. ctx._originalScale = ctx.scale;
  5869. ctx._originalTranslate = ctx.translate;
  5870. ctx._originalTransform = ctx.transform;
  5871. ctx._originalSetTransform = ctx.setTransform;
  5872. ctx._transformMatrix = ctx._transformMatrix || [
  5873. 1,
  5874. 0,
  5875. 0,
  5876. 1,
  5877. 0,
  5878. 0
  5879. ];
  5880. ctx._transformStack = [];
  5881. Object.defineProperty(ctx, 'mozCurrentTransform', {
  5882. get: function getCurrentTransform() {
  5883. return this._transformMatrix;
  5884. }
  5885. });
  5886. Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
  5887. get: function getCurrentTransformInverse() {
  5888. var m = this._transformMatrix;
  5889. var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];
  5890. var ad_bc = a * d - b * c;
  5891. var bc_ad = b * c - a * d;
  5892. return [
  5893. d / ad_bc,
  5894. b / bc_ad,
  5895. c / bc_ad,
  5896. a / ad_bc,
  5897. (d * e - c * f) / bc_ad,
  5898. (b * e - a * f) / ad_bc
  5899. ];
  5900. }
  5901. });
  5902. ctx.save = function ctxSave() {
  5903. var old = this._transformMatrix;
  5904. this._transformStack.push(old);
  5905. this._transformMatrix = old.slice(0, 6);
  5906. this._originalSave();
  5907. };
  5908. ctx.restore = function ctxRestore() {
  5909. var prev = this._transformStack.pop();
  5910. if (prev) {
  5911. this._transformMatrix = prev;
  5912. this._originalRestore();
  5913. }
  5914. };
  5915. ctx.translate = function ctxTranslate(x, y) {
  5916. var m = this._transformMatrix;
  5917. m[4] = m[0] * x + m[2] * y + m[4];
  5918. m[5] = m[1] * x + m[3] * y + m[5];
  5919. this._originalTranslate(x, y);
  5920. };
  5921. ctx.scale = function ctxScale(x, y) {
  5922. var m = this._transformMatrix;
  5923. m[0] = m[0] * x;
  5924. m[1] = m[1] * x;
  5925. m[2] = m[2] * y;
  5926. m[3] = m[3] * y;
  5927. this._originalScale(x, y);
  5928. };
  5929. ctx.transform = function ctxTransform(a, b, c, d, e, f) {
  5930. var m = this._transformMatrix;
  5931. this._transformMatrix = [
  5932. m[0] * a + m[2] * b,
  5933. m[1] * a + m[3] * b,
  5934. m[0] * c + m[2] * d,
  5935. m[1] * c + m[3] * d,
  5936. m[0] * e + m[2] * f + m[4],
  5937. m[1] * e + m[3] * f + m[5]
  5938. ];
  5939. ctx._originalTransform(a, b, c, d, e, f);
  5940. };
  5941. ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
  5942. this._transformMatrix = [
  5943. a,
  5944. b,
  5945. c,
  5946. d,
  5947. e,
  5948. f
  5949. ];
  5950. ctx._originalSetTransform(a, b, c, d, e, f);
  5951. };
  5952. ctx.rotate = function ctxRotate(angle) {
  5953. var cosValue = Math.cos(angle);
  5954. var sinValue = Math.sin(angle);
  5955. var m = this._transformMatrix;
  5956. this._transformMatrix = [
  5957. m[0] * cosValue + m[2] * sinValue,
  5958. m[1] * cosValue + m[3] * sinValue,
  5959. m[0] * -sinValue + m[2] * cosValue,
  5960. m[1] * -sinValue + m[3] * cosValue,
  5961. m[4],
  5962. m[5]
  5963. ];
  5964. this._originalRotate(angle);
  5965. };
  5966. }
  5967. }
  5968. var CachedCanvases = function CachedCanvasesClosure() {
  5969. function CachedCanvases(canvasFactory) {
  5970. this.canvasFactory = canvasFactory;
  5971. this.cache = Object.create(null);
  5972. }
  5973. CachedCanvases.prototype = {
  5974. getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
  5975. var canvasEntry;
  5976. if (this.cache[id] !== undefined) {
  5977. canvasEntry = this.cache[id];
  5978. this.canvasFactory.reset(canvasEntry, width, height);
  5979. canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
  5980. } else {
  5981. canvasEntry = this.canvasFactory.create(width, height);
  5982. this.cache[id] = canvasEntry;
  5983. }
  5984. if (trackTransform) {
  5985. addContextCurrentTransform(canvasEntry.context);
  5986. }
  5987. return canvasEntry;
  5988. },
  5989. clear: function () {
  5990. for (var id in this.cache) {
  5991. var canvasEntry = this.cache[id];
  5992. this.canvasFactory.destroy(canvasEntry);
  5993. delete this.cache[id];
  5994. }
  5995. }
  5996. };
  5997. return CachedCanvases;
  5998. }();
  5999. function compileType3Glyph(imgData) {
  6000. var POINT_TO_PROCESS_LIMIT = 1000;
  6001. var width = imgData.width, height = imgData.height;
  6002. var i, j, j0, width1 = width + 1;
  6003. var points = new Uint8Array(width1 * (height + 1));
  6004. var POINT_TYPES = new Uint8Array([
  6005. 0,
  6006. 2,
  6007. 4,
  6008. 0,
  6009. 1,
  6010. 0,
  6011. 5,
  6012. 4,
  6013. 8,
  6014. 10,
  6015. 0,
  6016. 8,
  6017. 0,
  6018. 2,
  6019. 1,
  6020. 0
  6021. ]);
  6022. var lineSize = width + 7 & ~7, data0 = imgData.data;
  6023. var data = new Uint8Array(lineSize * height), pos = 0, ii;
  6024. for (i = 0, ii = data0.length; i < ii; i++) {
  6025. var mask = 128, elem = data0[i];
  6026. while (mask > 0) {
  6027. data[pos++] = elem & mask ? 0 : 255;
  6028. mask >>= 1;
  6029. }
  6030. }
  6031. var count = 0;
  6032. pos = 0;
  6033. if (data[pos] !== 0) {
  6034. points[0] = 1;
  6035. ++count;
  6036. }
  6037. for (j = 1; j < width; j++) {
  6038. if (data[pos] !== data[pos + 1]) {
  6039. points[j] = data[pos] ? 2 : 1;
  6040. ++count;
  6041. }
  6042. pos++;
  6043. }
  6044. if (data[pos] !== 0) {
  6045. points[j] = 2;
  6046. ++count;
  6047. }
  6048. for (i = 1; i < height; i++) {
  6049. pos = i * lineSize;
  6050. j0 = i * width1;
  6051. if (data[pos - lineSize] !== data[pos]) {
  6052. points[j0] = data[pos] ? 1 : 8;
  6053. ++count;
  6054. }
  6055. var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
  6056. for (j = 1; j < width; j++) {
  6057. sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
  6058. if (POINT_TYPES[sum]) {
  6059. points[j0 + j] = POINT_TYPES[sum];
  6060. ++count;
  6061. }
  6062. pos++;
  6063. }
  6064. if (data[pos - lineSize] !== data[pos]) {
  6065. points[j0 + j] = data[pos] ? 2 : 4;
  6066. ++count;
  6067. }
  6068. if (count > POINT_TO_PROCESS_LIMIT) {
  6069. return null;
  6070. }
  6071. }
  6072. pos = lineSize * (height - 1);
  6073. j0 = i * width1;
  6074. if (data[pos] !== 0) {
  6075. points[j0] = 8;
  6076. ++count;
  6077. }
  6078. for (j = 1; j < width; j++) {
  6079. if (data[pos] !== data[pos + 1]) {
  6080. points[j0 + j] = data[pos] ? 4 : 8;
  6081. ++count;
  6082. }
  6083. pos++;
  6084. }
  6085. if (data[pos] !== 0) {
  6086. points[j0 + j] = 4;
  6087. ++count;
  6088. }
  6089. if (count > POINT_TO_PROCESS_LIMIT) {
  6090. return null;
  6091. }
  6092. var steps = new Int32Array([
  6093. 0,
  6094. width1,
  6095. -1,
  6096. 0,
  6097. -width1,
  6098. 0,
  6099. 0,
  6100. 0,
  6101. 1
  6102. ]);
  6103. var outlines = [];
  6104. for (i = 0; count && i <= height; i++) {
  6105. var p = i * width1;
  6106. var end = p + width;
  6107. while (p < end && !points[p]) {
  6108. p++;
  6109. }
  6110. if (p === end) {
  6111. continue;
  6112. }
  6113. var coords = [
  6114. p % width1,
  6115. i
  6116. ];
  6117. var type = points[p], p0 = p, pp;
  6118. do {
  6119. var step = steps[type];
  6120. do {
  6121. p += step;
  6122. } while (!points[p]);
  6123. pp = points[p];
  6124. if (pp !== 5 && pp !== 10) {
  6125. type = pp;
  6126. points[p] = 0;
  6127. } else {
  6128. type = pp & 0x33 * type >> 4;
  6129. points[p] &= type >> 2 | type << 2;
  6130. }
  6131. coords.push(p % width1);
  6132. coords.push(p / width1 | 0);
  6133. --count;
  6134. } while (p0 !== p);
  6135. outlines.push(coords);
  6136. --i;
  6137. }
  6138. var drawOutline = function (c) {
  6139. c.save();
  6140. c.scale(1 / width, -1 / height);
  6141. c.translate(0, -height);
  6142. c.beginPath();
  6143. for (var i = 0, ii = outlines.length; i < ii; i++) {
  6144. var o = outlines[i];
  6145. c.moveTo(o[0], o[1]);
  6146. for (var j = 2, jj = o.length; j < jj; j += 2) {
  6147. c.lineTo(o[j], o[j + 1]);
  6148. }
  6149. }
  6150. c.fill();
  6151. c.beginPath();
  6152. c.restore();
  6153. };
  6154. return drawOutline;
  6155. }
  6156. var CanvasExtraState = function CanvasExtraStateClosure() {
  6157. function CanvasExtraState(old) {
  6158. this.alphaIsShape = false;
  6159. this.fontSize = 0;
  6160. this.fontSizeScale = 1;
  6161. this.textMatrix = IDENTITY_MATRIX;
  6162. this.textMatrixScale = 1;
  6163. this.fontMatrix = FONT_IDENTITY_MATRIX;
  6164. this.leading = 0;
  6165. this.x = 0;
  6166. this.y = 0;
  6167. this.lineX = 0;
  6168. this.lineY = 0;
  6169. this.charSpacing = 0;
  6170. this.wordSpacing = 0;
  6171. this.textHScale = 1;
  6172. this.textRenderingMode = TextRenderingMode.FILL;
  6173. this.textRise = 0;
  6174. this.fillColor = '#000000';
  6175. this.strokeColor = '#000000';
  6176. this.patternFill = false;
  6177. this.fillAlpha = 1;
  6178. this.strokeAlpha = 1;
  6179. this.lineWidth = 1;
  6180. this.activeSMask = null;
  6181. this.resumeSMaskCtx = null;
  6182. this.old = old;
  6183. }
  6184. CanvasExtraState.prototype = {
  6185. clone: function CanvasExtraState_clone() {
  6186. return Object.create(this);
  6187. },
  6188. setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
  6189. this.x = x;
  6190. this.y = y;
  6191. }
  6192. };
  6193. return CanvasExtraState;
  6194. }();
  6195. var CanvasGraphics = function CanvasGraphicsClosure() {
  6196. var EXECUTION_TIME = 15;
  6197. var EXECUTION_STEPS = 10;
  6198. function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, imageLayer) {
  6199. this.ctx = canvasCtx;
  6200. this.current = new CanvasExtraState();
  6201. this.stateStack = [];
  6202. this.pendingClip = null;
  6203. this.pendingEOFill = false;
  6204. this.res = null;
  6205. this.xobjs = null;
  6206. this.commonObjs = commonObjs;
  6207. this.objs = objs;
  6208. this.canvasFactory = canvasFactory;
  6209. this.imageLayer = imageLayer;
  6210. this.groupStack = [];
  6211. this.processingType3 = null;
  6212. this.baseTransform = null;
  6213. this.baseTransformStack = [];
  6214. this.groupLevel = 0;
  6215. this.smaskStack = [];
  6216. this.smaskCounter = 0;
  6217. this.tempSMask = null;
  6218. this.cachedCanvases = new CachedCanvases(this.canvasFactory);
  6219. if (canvasCtx) {
  6220. addContextCurrentTransform(canvasCtx);
  6221. }
  6222. this.cachedGetSinglePixelWidth = null;
  6223. }
  6224. function putBinaryImageData(ctx, imgData) {
  6225. if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
  6226. ctx.putImageData(imgData, 0, 0);
  6227. return;
  6228. }
  6229. var height = imgData.height, width = imgData.width;
  6230. var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
  6231. var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
  6232. var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
  6233. var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
  6234. var srcPos = 0, destPos;
  6235. var src = imgData.data;
  6236. var dest = chunkImgData.data;
  6237. var i, j, thisChunkHeight, elemsInThisChunk;
  6238. if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
  6239. var srcLength = src.byteLength;
  6240. var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
  6241. var dest32DataLength = dest32.length;
  6242. var fullSrcDiff = width + 7 >> 3;
  6243. var white = 0xFFFFFFFF;
  6244. var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
  6245. for (i = 0; i < totalChunks; i++) {
  6246. thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
  6247. destPos = 0;
  6248. for (j = 0; j < thisChunkHeight; j++) {
  6249. var srcDiff = srcLength - srcPos;
  6250. var k = 0;
  6251. var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
  6252. var kEndUnrolled = kEnd & ~7;
  6253. var mask = 0;
  6254. var srcByte = 0;
  6255. for (; k < kEndUnrolled; k += 8) {
  6256. srcByte = src[srcPos++];
  6257. dest32[destPos++] = srcByte & 128 ? white : black;
  6258. dest32[destPos++] = srcByte & 64 ? white : black;
  6259. dest32[destPos++] = srcByte & 32 ? white : black;
  6260. dest32[destPos++] = srcByte & 16 ? white : black;
  6261. dest32[destPos++] = srcByte & 8 ? white : black;
  6262. dest32[destPos++] = srcByte & 4 ? white : black;
  6263. dest32[destPos++] = srcByte & 2 ? white : black;
  6264. dest32[destPos++] = srcByte & 1 ? white : black;
  6265. }
  6266. for (; k < kEnd; k++) {
  6267. if (mask === 0) {
  6268. srcByte = src[srcPos++];
  6269. mask = 128;
  6270. }
  6271. dest32[destPos++] = srcByte & mask ? white : black;
  6272. mask >>= 1;
  6273. }
  6274. }
  6275. while (destPos < dest32DataLength) {
  6276. dest32[destPos++] = 0;
  6277. }
  6278. ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
  6279. }
  6280. } else if (imgData.kind === ImageKind.RGBA_32BPP) {
  6281. j = 0;
  6282. elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
  6283. for (i = 0; i < fullChunks; i++) {
  6284. dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
  6285. srcPos += elemsInThisChunk;
  6286. ctx.putImageData(chunkImgData, 0, j);
  6287. j += FULL_CHUNK_HEIGHT;
  6288. }
  6289. if (i < totalChunks) {
  6290. elemsInThisChunk = width * partialChunkHeight * 4;
  6291. dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
  6292. ctx.putImageData(chunkImgData, 0, j);
  6293. }
  6294. } else if (imgData.kind === ImageKind.RGB_24BPP) {
  6295. thisChunkHeight = FULL_CHUNK_HEIGHT;
  6296. elemsInThisChunk = width * thisChunkHeight;
  6297. for (i = 0; i < totalChunks; i++) {
  6298. if (i >= fullChunks) {
  6299. thisChunkHeight = partialChunkHeight;
  6300. elemsInThisChunk = width * thisChunkHeight;
  6301. }
  6302. destPos = 0;
  6303. for (j = elemsInThisChunk; j--;) {
  6304. dest[destPos++] = src[srcPos++];
  6305. dest[destPos++] = src[srcPos++];
  6306. dest[destPos++] = src[srcPos++];
  6307. dest[destPos++] = 255;
  6308. }
  6309. ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
  6310. }
  6311. } else {
  6312. error('bad image kind: ' + imgData.kind);
  6313. }
  6314. }
  6315. function putBinaryImageMask(ctx, imgData) {
  6316. var height = imgData.height, width = imgData.width;
  6317. var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
  6318. var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
  6319. var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
  6320. var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
  6321. var srcPos = 0;
  6322. var src = imgData.data;
  6323. var dest = chunkImgData.data;
  6324. for (var i = 0; i < totalChunks; i++) {
  6325. var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
  6326. var destPos = 3;
  6327. for (var j = 0; j < thisChunkHeight; j++) {
  6328. var mask = 0;
  6329. for (var k = 0; k < width; k++) {
  6330. if (!mask) {
  6331. var elem = src[srcPos++];
  6332. mask = 128;
  6333. }
  6334. dest[destPos] = elem & mask ? 0 : 255;
  6335. destPos += 4;
  6336. mask >>= 1;
  6337. }
  6338. }
  6339. ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
  6340. }
  6341. }
  6342. function copyCtxState(sourceCtx, destCtx) {
  6343. var properties = [
  6344. 'strokeStyle',
  6345. 'fillStyle',
  6346. 'fillRule',
  6347. 'globalAlpha',
  6348. 'lineWidth',
  6349. 'lineCap',
  6350. 'lineJoin',
  6351. 'miterLimit',
  6352. 'globalCompositeOperation',
  6353. 'font'
  6354. ];
  6355. for (var i = 0, ii = properties.length; i < ii; i++) {
  6356. var property = properties[i];
  6357. if (sourceCtx[property] !== undefined) {
  6358. destCtx[property] = sourceCtx[property];
  6359. }
  6360. }
  6361. if (sourceCtx.setLineDash !== undefined) {
  6362. destCtx.setLineDash(sourceCtx.getLineDash());
  6363. destCtx.lineDashOffset = sourceCtx.lineDashOffset;
  6364. }
  6365. }
  6366. function composeSMaskBackdrop(bytes, r0, g0, b0) {
  6367. var length = bytes.length;
  6368. for (var i = 3; i < length; i += 4) {
  6369. var alpha = bytes[i];
  6370. if (alpha === 0) {
  6371. bytes[i - 3] = r0;
  6372. bytes[i - 2] = g0;
  6373. bytes[i - 1] = b0;
  6374. } else if (alpha < 255) {
  6375. var alpha_ = 255 - alpha;
  6376. bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
  6377. bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
  6378. bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
  6379. }
  6380. }
  6381. }
  6382. function composeSMaskAlpha(maskData, layerData, transferMap) {
  6383. var length = maskData.length;
  6384. var scale = 1 / 255;
  6385. for (var i = 3; i < length; i += 4) {
  6386. var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
  6387. layerData[i] = layerData[i] * alpha * scale | 0;
  6388. }
  6389. }
  6390. function composeSMaskLuminosity(maskData, layerData, transferMap) {
  6391. var length = maskData.length;
  6392. for (var i = 3; i < length; i += 4) {
  6393. var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
  6394. layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
  6395. }
  6396. }
  6397. function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
  6398. var hasBackdrop = !!backdrop;
  6399. var r0 = hasBackdrop ? backdrop[0] : 0;
  6400. var g0 = hasBackdrop ? backdrop[1] : 0;
  6401. var b0 = hasBackdrop ? backdrop[2] : 0;
  6402. var composeFn;
  6403. if (subtype === 'Luminosity') {
  6404. composeFn = composeSMaskLuminosity;
  6405. } else {
  6406. composeFn = composeSMaskAlpha;
  6407. }
  6408. var PIXELS_TO_PROCESS = 1048576;
  6409. var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
  6410. for (var row = 0; row < height; row += chunkSize) {
  6411. var chunkHeight = Math.min(chunkSize, height - row);
  6412. var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
  6413. var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
  6414. if (hasBackdrop) {
  6415. composeSMaskBackdrop(maskData.data, r0, g0, b0);
  6416. }
  6417. composeFn(maskData.data, layerData.data, transferMap);
  6418. maskCtx.putImageData(layerData, 0, row);
  6419. }
  6420. }
  6421. function composeSMask(ctx, smask, layerCtx) {
  6422. var mask = smask.canvas;
  6423. var maskCtx = smask.context;
  6424. ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
  6425. var backdrop = smask.backdrop || null;
  6426. if (!smask.transferMap && WebGLUtils.isEnabled) {
  6427. var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, {
  6428. subtype: smask.subtype,
  6429. backdrop: backdrop
  6430. });
  6431. ctx.setTransform(1, 0, 0, 1, 0, 0);
  6432. ctx.drawImage(composed, smask.offsetX, smask.offsetY);
  6433. return;
  6434. }
  6435. genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
  6436. ctx.drawImage(mask, 0, 0);
  6437. }
  6438. var LINE_CAP_STYLES = [
  6439. 'butt',
  6440. 'round',
  6441. 'square'
  6442. ];
  6443. var LINE_JOIN_STYLES = [
  6444. 'miter',
  6445. 'round',
  6446. 'bevel'
  6447. ];
  6448. var NORMAL_CLIP = {};
  6449. var EO_CLIP = {};
  6450. CanvasGraphics.prototype = {
  6451. beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, transparency) {
  6452. var width = this.ctx.canvas.width;
  6453. var height = this.ctx.canvas.height;
  6454. this.ctx.save();
  6455. this.ctx.fillStyle = 'rgb(255, 255, 255)';
  6456. this.ctx.fillRect(0, 0, width, height);
  6457. this.ctx.restore();
  6458. if (transparency) {
  6459. var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true);
  6460. this.compositeCtx = this.ctx;
  6461. this.transparentCanvas = transparentCanvas.canvas;
  6462. this.ctx = transparentCanvas.context;
  6463. this.ctx.save();
  6464. this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
  6465. }
  6466. this.ctx.save();
  6467. if (transform) {
  6468. this.ctx.transform.apply(this.ctx, transform);
  6469. }
  6470. this.ctx.transform.apply(this.ctx, viewport.transform);
  6471. this.baseTransform = this.ctx.mozCurrentTransform.slice();
  6472. if (this.imageLayer) {
  6473. this.imageLayer.beginLayout();
  6474. }
  6475. },
  6476. executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
  6477. var argsArray = operatorList.argsArray;
  6478. var fnArray = operatorList.fnArray;
  6479. var i = executionStartIdx || 0;
  6480. var argsArrayLen = argsArray.length;
  6481. if (argsArrayLen === i) {
  6482. return i;
  6483. }
  6484. var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
  6485. var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
  6486. var steps = 0;
  6487. var commonObjs = this.commonObjs;
  6488. var objs = this.objs;
  6489. var fnId;
  6490. while (true) {
  6491. if (stepper !== undefined && i === stepper.nextBreakPoint) {
  6492. stepper.breakIt(i, continueCallback);
  6493. return i;
  6494. }
  6495. fnId = fnArray[i];
  6496. if (fnId !== OPS.dependency) {
  6497. this[fnId].apply(this, argsArray[i]);
  6498. } else {
  6499. var deps = argsArray[i];
  6500. for (var n = 0, nn = deps.length; n < nn; n++) {
  6501. var depObjId = deps[n];
  6502. var common = depObjId[0] === 'g' && depObjId[1] === '_';
  6503. var objsPool = common ? commonObjs : objs;
  6504. if (!objsPool.isResolved(depObjId)) {
  6505. objsPool.get(depObjId, continueCallback);
  6506. return i;
  6507. }
  6508. }
  6509. }
  6510. i++;
  6511. if (i === argsArrayLen) {
  6512. return i;
  6513. }
  6514. if (chunkOperations && ++steps > EXECUTION_STEPS) {
  6515. if (Date.now() > endTime) {
  6516. continueCallback();
  6517. return i;
  6518. }
  6519. steps = 0;
  6520. }
  6521. }
  6522. },
  6523. endDrawing: function CanvasGraphics_endDrawing() {
  6524. if (this.current.activeSMask !== null) {
  6525. this.endSMaskGroup();
  6526. }
  6527. this.ctx.restore();
  6528. if (this.transparentCanvas) {
  6529. this.ctx = this.compositeCtx;
  6530. this.ctx.save();
  6531. this.ctx.setTransform(1, 0, 0, 1, 0, 0);
  6532. this.ctx.drawImage(this.transparentCanvas, 0, 0);
  6533. this.ctx.restore();
  6534. this.transparentCanvas = null;
  6535. }
  6536. this.cachedCanvases.clear();
  6537. WebGLUtils.clear();
  6538. if (this.imageLayer) {
  6539. this.imageLayer.endLayout();
  6540. }
  6541. },
  6542. setLineWidth: function CanvasGraphics_setLineWidth(width) {
  6543. this.current.lineWidth = width;
  6544. this.ctx.lineWidth = width;
  6545. },
  6546. setLineCap: function CanvasGraphics_setLineCap(style) {
  6547. this.ctx.lineCap = LINE_CAP_STYLES[style];
  6548. },
  6549. setLineJoin: function CanvasGraphics_setLineJoin(style) {
  6550. this.ctx.lineJoin = LINE_JOIN_STYLES[style];
  6551. },
  6552. setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
  6553. this.ctx.miterLimit = limit;
  6554. },
  6555. setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
  6556. var ctx = this.ctx;
  6557. if (ctx.setLineDash !== undefined) {
  6558. ctx.setLineDash(dashArray);
  6559. ctx.lineDashOffset = dashPhase;
  6560. }
  6561. },
  6562. setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {
  6563. },
  6564. setFlatness: function CanvasGraphics_setFlatness(flatness) {
  6565. },
  6566. setGState: function CanvasGraphics_setGState(states) {
  6567. for (var i = 0, ii = states.length; i < ii; i++) {
  6568. var state = states[i];
  6569. var key = state[0];
  6570. var value = state[1];
  6571. switch (key) {
  6572. case 'LW':
  6573. this.setLineWidth(value);
  6574. break;
  6575. case 'LC':
  6576. this.setLineCap(value);
  6577. break;
  6578. case 'LJ':
  6579. this.setLineJoin(value);
  6580. break;
  6581. case 'ML':
  6582. this.setMiterLimit(value);
  6583. break;
  6584. case 'D':
  6585. this.setDash(value[0], value[1]);
  6586. break;
  6587. case 'RI':
  6588. this.setRenderingIntent(value);
  6589. break;
  6590. case 'FL':
  6591. this.setFlatness(value);
  6592. break;
  6593. case 'Font':
  6594. this.setFont(value[0], value[1]);
  6595. break;
  6596. case 'CA':
  6597. this.current.strokeAlpha = state[1];
  6598. break;
  6599. case 'ca':
  6600. this.current.fillAlpha = state[1];
  6601. this.ctx.globalAlpha = state[1];
  6602. break;
  6603. case 'BM':
  6604. if (value && value.name && value.name !== 'Normal') {
  6605. var mode = value.name.replace(/([A-Z])/g, function (c) {
  6606. return '-' + c.toLowerCase();
  6607. }).substring(1);
  6608. this.ctx.globalCompositeOperation = mode;
  6609. if (this.ctx.globalCompositeOperation !== mode) {
  6610. warn('globalCompositeOperation "' + mode + '" is not supported');
  6611. }
  6612. } else {
  6613. this.ctx.globalCompositeOperation = 'source-over';
  6614. }
  6615. break;
  6616. case 'SMask':
  6617. if (this.current.activeSMask) {
  6618. if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
  6619. this.suspendSMaskGroup();
  6620. } else {
  6621. this.endSMaskGroup();
  6622. }
  6623. }
  6624. this.current.activeSMask = value ? this.tempSMask : null;
  6625. if (this.current.activeSMask) {
  6626. this.beginSMaskGroup();
  6627. }
  6628. this.tempSMask = null;
  6629. break;
  6630. }
  6631. }
  6632. },
  6633. beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
  6634. var activeSMask = this.current.activeSMask;
  6635. var drawnWidth = activeSMask.canvas.width;
  6636. var drawnHeight = activeSMask.canvas.height;
  6637. var cacheId = 'smaskGroupAt' + this.groupLevel;
  6638. var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
  6639. var currentCtx = this.ctx;
  6640. var currentTransform = currentCtx.mozCurrentTransform;
  6641. this.ctx.save();
  6642. var groupCtx = scratchCanvas.context;
  6643. groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
  6644. groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
  6645. groupCtx.transform.apply(groupCtx, currentTransform);
  6646. activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
  6647. copyCtxState(currentCtx, groupCtx);
  6648. this.ctx = groupCtx;
  6649. this.setGState([
  6650. [
  6651. 'BM',
  6652. 'Normal'
  6653. ],
  6654. [
  6655. 'ca',
  6656. 1
  6657. ],
  6658. [
  6659. 'CA',
  6660. 1
  6661. ]
  6662. ]);
  6663. this.groupStack.push(currentCtx);
  6664. this.groupLevel++;
  6665. },
  6666. suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
  6667. var groupCtx = this.ctx;
  6668. this.groupLevel--;
  6669. this.ctx = this.groupStack.pop();
  6670. composeSMask(this.ctx, this.current.activeSMask, groupCtx);
  6671. this.ctx.restore();
  6672. this.ctx.save();
  6673. copyCtxState(groupCtx, this.ctx);
  6674. this.current.resumeSMaskCtx = groupCtx;
  6675. var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
  6676. this.ctx.transform.apply(this.ctx, deltaTransform);
  6677. groupCtx.save();
  6678. groupCtx.setTransform(1, 0, 0, 1, 0, 0);
  6679. groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
  6680. groupCtx.restore();
  6681. },
  6682. resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
  6683. var groupCtx = this.current.resumeSMaskCtx;
  6684. var currentCtx = this.ctx;
  6685. this.ctx = groupCtx;
  6686. this.groupStack.push(currentCtx);
  6687. this.groupLevel++;
  6688. },
  6689. endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
  6690. var groupCtx = this.ctx;
  6691. this.groupLevel--;
  6692. this.ctx = this.groupStack.pop();
  6693. composeSMask(this.ctx, this.current.activeSMask, groupCtx);
  6694. this.ctx.restore();
  6695. copyCtxState(groupCtx, this.ctx);
  6696. var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
  6697. this.ctx.transform.apply(this.ctx, deltaTransform);
  6698. },
  6699. save: function CanvasGraphics_save() {
  6700. this.ctx.save();
  6701. var old = this.current;
  6702. this.stateStack.push(old);
  6703. this.current = old.clone();
  6704. this.current.resumeSMaskCtx = null;
  6705. },
  6706. restore: function CanvasGraphics_restore() {
  6707. if (this.current.resumeSMaskCtx) {
  6708. this.resumeSMaskGroup();
  6709. }
  6710. if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
  6711. this.endSMaskGroup();
  6712. }
  6713. if (this.stateStack.length !== 0) {
  6714. this.current = this.stateStack.pop();
  6715. this.ctx.restore();
  6716. this.pendingClip = null;
  6717. this.cachedGetSinglePixelWidth = null;
  6718. }
  6719. },
  6720. transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
  6721. this.ctx.transform(a, b, c, d, e, f);
  6722. this.cachedGetSinglePixelWidth = null;
  6723. },
  6724. constructPath: function CanvasGraphics_constructPath(ops, args) {
  6725. var ctx = this.ctx;
  6726. var current = this.current;
  6727. var x = current.x, y = current.y;
  6728. for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
  6729. switch (ops[i] | 0) {
  6730. case OPS.rectangle:
  6731. x = args[j++];
  6732. y = args[j++];
  6733. var width = args[j++];
  6734. var height = args[j++];
  6735. if (width === 0) {
  6736. width = this.getSinglePixelWidth();
  6737. }
  6738. if (height === 0) {
  6739. height = this.getSinglePixelWidth();
  6740. }
  6741. var xw = x + width;
  6742. var yh = y + height;
  6743. this.ctx.moveTo(x, y);
  6744. this.ctx.lineTo(xw, y);
  6745. this.ctx.lineTo(xw, yh);
  6746. this.ctx.lineTo(x, yh);
  6747. this.ctx.lineTo(x, y);
  6748. this.ctx.closePath();
  6749. break;
  6750. case OPS.moveTo:
  6751. x = args[j++];
  6752. y = args[j++];
  6753. ctx.moveTo(x, y);
  6754. break;
  6755. case OPS.lineTo:
  6756. x = args[j++];
  6757. y = args[j++];
  6758. ctx.lineTo(x, y);
  6759. break;
  6760. case OPS.curveTo:
  6761. x = args[j + 4];
  6762. y = args[j + 5];
  6763. ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
  6764. j += 6;
  6765. break;
  6766. case OPS.curveTo2:
  6767. ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
  6768. x = args[j + 2];
  6769. y = args[j + 3];
  6770. j += 4;
  6771. break;
  6772. case OPS.curveTo3:
  6773. x = args[j + 2];
  6774. y = args[j + 3];
  6775. ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
  6776. j += 4;
  6777. break;
  6778. case OPS.closePath:
  6779. ctx.closePath();
  6780. break;
  6781. }
  6782. }
  6783. current.setCurrentPoint(x, y);
  6784. },
  6785. closePath: function CanvasGraphics_closePath() {
  6786. this.ctx.closePath();
  6787. },
  6788. stroke: function CanvasGraphics_stroke(consumePath) {
  6789. consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
  6790. var ctx = this.ctx;
  6791. var strokeColor = this.current.strokeColor;
  6792. ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
  6793. ctx.globalAlpha = this.current.strokeAlpha;
  6794. if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
  6795. ctx.save();
  6796. ctx.strokeStyle = strokeColor.getPattern(ctx, this);
  6797. ctx.stroke();
  6798. ctx.restore();
  6799. } else {
  6800. ctx.stroke();
  6801. }
  6802. if (consumePath) {
  6803. this.consumePath();
  6804. }
  6805. ctx.globalAlpha = this.current.fillAlpha;
  6806. },
  6807. closeStroke: function CanvasGraphics_closeStroke() {
  6808. this.closePath();
  6809. this.stroke();
  6810. },
  6811. fill: function CanvasGraphics_fill(consumePath) {
  6812. consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
  6813. var ctx = this.ctx;
  6814. var fillColor = this.current.fillColor;
  6815. var isPatternFill = this.current.patternFill;
  6816. var needRestore = false;
  6817. if (isPatternFill) {
  6818. ctx.save();
  6819. if (this.baseTransform) {
  6820. ctx.setTransform.apply(ctx, this.baseTransform);
  6821. }
  6822. ctx.fillStyle = fillColor.getPattern(ctx, this);
  6823. needRestore = true;
  6824. }
  6825. if (this.pendingEOFill) {
  6826. ctx.fill('evenodd');
  6827. this.pendingEOFill = false;
  6828. } else {
  6829. ctx.fill();
  6830. }
  6831. if (needRestore) {
  6832. ctx.restore();
  6833. }
  6834. if (consumePath) {
  6835. this.consumePath();
  6836. }
  6837. },
  6838. eoFill: function CanvasGraphics_eoFill() {
  6839. this.pendingEOFill = true;
  6840. this.fill();
  6841. },
  6842. fillStroke: function CanvasGraphics_fillStroke() {
  6843. this.fill(false);
  6844. this.stroke(false);
  6845. this.consumePath();
  6846. },
  6847. eoFillStroke: function CanvasGraphics_eoFillStroke() {
  6848. this.pendingEOFill = true;
  6849. this.fillStroke();
  6850. },
  6851. closeFillStroke: function CanvasGraphics_closeFillStroke() {
  6852. this.closePath();
  6853. this.fillStroke();
  6854. },
  6855. closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
  6856. this.pendingEOFill = true;
  6857. this.closePath();
  6858. this.fillStroke();
  6859. },
  6860. endPath: function CanvasGraphics_endPath() {
  6861. this.consumePath();
  6862. },
  6863. clip: function CanvasGraphics_clip() {
  6864. this.pendingClip = NORMAL_CLIP;
  6865. },
  6866. eoClip: function CanvasGraphics_eoClip() {
  6867. this.pendingClip = EO_CLIP;
  6868. },
  6869. beginText: function CanvasGraphics_beginText() {
  6870. this.current.textMatrix = IDENTITY_MATRIX;
  6871. this.current.textMatrixScale = 1;
  6872. this.current.x = this.current.lineX = 0;
  6873. this.current.y = this.current.lineY = 0;
  6874. },
  6875. endText: function CanvasGraphics_endText() {
  6876. var paths = this.pendingTextPaths;
  6877. var ctx = this.ctx;
  6878. if (paths === undefined) {
  6879. ctx.beginPath();
  6880. return;
  6881. }
  6882. ctx.save();
  6883. ctx.beginPath();
  6884. for (var i = 0; i < paths.length; i++) {
  6885. var path = paths[i];
  6886. ctx.setTransform.apply(ctx, path.transform);
  6887. ctx.translate(path.x, path.y);
  6888. path.addToPath(ctx, path.fontSize);
  6889. }
  6890. ctx.restore();
  6891. ctx.clip();
  6892. ctx.beginPath();
  6893. delete this.pendingTextPaths;
  6894. },
  6895. setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
  6896. this.current.charSpacing = spacing;
  6897. },
  6898. setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
  6899. this.current.wordSpacing = spacing;
  6900. },
  6901. setHScale: function CanvasGraphics_setHScale(scale) {
  6902. this.current.textHScale = scale / 100;
  6903. },
  6904. setLeading: function CanvasGraphics_setLeading(leading) {
  6905. this.current.leading = -leading;
  6906. },
  6907. setFont: function CanvasGraphics_setFont(fontRefName, size) {
  6908. var fontObj = this.commonObjs.get(fontRefName);
  6909. var current = this.current;
  6910. if (!fontObj) {
  6911. error('Can\'t find font for ' + fontRefName);
  6912. }
  6913. current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
  6914. if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
  6915. warn('Invalid font matrix for font ' + fontRefName);
  6916. }
  6917. if (size < 0) {
  6918. size = -size;
  6919. current.fontDirection = -1;
  6920. } else {
  6921. current.fontDirection = 1;
  6922. }
  6923. this.current.font = fontObj;
  6924. this.current.fontSize = size;
  6925. if (fontObj.isType3Font) {
  6926. return;
  6927. }
  6928. var name = fontObj.loadedName || 'sans-serif';
  6929. var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
  6930. var italic = fontObj.italic ? 'italic' : 'normal';
  6931. var typeface = '"' + name + '", ' + fontObj.fallbackName;
  6932. var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
  6933. this.current.fontSizeScale = size / browserFontSize;
  6934. var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
  6935. this.ctx.font = rule;
  6936. },
  6937. setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
  6938. this.current.textRenderingMode = mode;
  6939. },
  6940. setTextRise: function CanvasGraphics_setTextRise(rise) {
  6941. this.current.textRise = rise;
  6942. },
  6943. moveText: function CanvasGraphics_moveText(x, y) {
  6944. this.current.x = this.current.lineX += x;
  6945. this.current.y = this.current.lineY += y;
  6946. },
  6947. setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
  6948. this.setLeading(-y);
  6949. this.moveText(x, y);
  6950. },
  6951. setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
  6952. this.current.textMatrix = [
  6953. a,
  6954. b,
  6955. c,
  6956. d,
  6957. e,
  6958. f
  6959. ];
  6960. this.current.textMatrixScale = Math.sqrt(a * a + b * b);
  6961. this.current.x = this.current.lineX = 0;
  6962. this.current.y = this.current.lineY = 0;
  6963. },
  6964. nextLine: function CanvasGraphics_nextLine() {
  6965. this.moveText(0, this.current.leading);
  6966. },
  6967. paintChar: function CanvasGraphics_paintChar(character, x, y) {
  6968. var ctx = this.ctx;
  6969. var current = this.current;
  6970. var font = current.font;
  6971. var textRenderingMode = current.textRenderingMode;
  6972. var fontSize = current.fontSize / current.fontSizeScale;
  6973. var fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
  6974. var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
  6975. var addToPath;
  6976. if (font.disableFontFace || isAddToPathSet) {
  6977. addToPath = font.getPathGenerator(this.commonObjs, character);
  6978. }
  6979. if (font.disableFontFace) {
  6980. ctx.save();
  6981. ctx.translate(x, y);
  6982. ctx.beginPath();
  6983. addToPath(ctx, fontSize);
  6984. if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  6985. ctx.fill();
  6986. }
  6987. if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  6988. ctx.stroke();
  6989. }
  6990. ctx.restore();
  6991. } else {
  6992. if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  6993. ctx.fillText(character, x, y);
  6994. }
  6995. if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  6996. ctx.strokeText(character, x, y);
  6997. }
  6998. }
  6999. if (isAddToPathSet) {
  7000. var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
  7001. paths.push({
  7002. transform: ctx.mozCurrentTransform,
  7003. x: x,
  7004. y: y,
  7005. fontSize: fontSize,
  7006. addToPath: addToPath
  7007. });
  7008. }
  7009. },
  7010. get isFontSubpixelAAEnabled() {
  7011. var ctx = this.canvasFactory.create(10, 10).context;
  7012. ctx.scale(1.5, 1);
  7013. ctx.fillText('I', 0, 10);
  7014. var data = ctx.getImageData(0, 0, 10, 10).data;
  7015. var enabled = false;
  7016. for (var i = 3; i < data.length; i += 4) {
  7017. if (data[i] > 0 && data[i] < 255) {
  7018. enabled = true;
  7019. break;
  7020. }
  7021. }
  7022. return shadow(this, 'isFontSubpixelAAEnabled', enabled);
  7023. },
  7024. showText: function CanvasGraphics_showText(glyphs) {
  7025. var current = this.current;
  7026. var font = current.font;
  7027. if (font.isType3Font) {
  7028. return this.showType3Text(glyphs);
  7029. }
  7030. var fontSize = current.fontSize;
  7031. if (fontSize === 0) {
  7032. return;
  7033. }
  7034. var ctx = this.ctx;
  7035. var fontSizeScale = current.fontSizeScale;
  7036. var charSpacing = current.charSpacing;
  7037. var wordSpacing = current.wordSpacing;
  7038. var fontDirection = current.fontDirection;
  7039. var textHScale = current.textHScale * fontDirection;
  7040. var glyphsLength = glyphs.length;
  7041. var vertical = font.vertical;
  7042. var spacingDir = vertical ? 1 : -1;
  7043. var defaultVMetrics = font.defaultVMetrics;
  7044. var widthAdvanceScale = fontSize * current.fontMatrix[0];
  7045. var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace;
  7046. ctx.save();
  7047. ctx.transform.apply(ctx, current.textMatrix);
  7048. ctx.translate(current.x, current.y + current.textRise);
  7049. if (current.patternFill) {
  7050. ctx.fillStyle = current.fillColor.getPattern(ctx, this);
  7051. }
  7052. if (fontDirection > 0) {
  7053. ctx.scale(textHScale, -1);
  7054. } else {
  7055. ctx.scale(textHScale, 1);
  7056. }
  7057. var lineWidth = current.lineWidth;
  7058. var scale = current.textMatrixScale;
  7059. if (scale === 0 || lineWidth === 0) {
  7060. var fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
  7061. if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  7062. this.cachedGetSinglePixelWidth = null;
  7063. lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
  7064. }
  7065. } else {
  7066. lineWidth /= scale;
  7067. }
  7068. if (fontSizeScale !== 1.0) {
  7069. ctx.scale(fontSizeScale, fontSizeScale);
  7070. lineWidth /= fontSizeScale;
  7071. }
  7072. ctx.lineWidth = lineWidth;
  7073. var x = 0, i;
  7074. for (i = 0; i < glyphsLength; ++i) {
  7075. var glyph = glyphs[i];
  7076. if (isNum(glyph)) {
  7077. x += spacingDir * glyph * fontSize / 1000;
  7078. continue;
  7079. }
  7080. var restoreNeeded = false;
  7081. var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
  7082. var character = glyph.fontChar;
  7083. var accent = glyph.accent;
  7084. var scaledX, scaledY, scaledAccentX, scaledAccentY;
  7085. var width = glyph.width;
  7086. if (vertical) {
  7087. var vmetric, vx, vy;
  7088. vmetric = glyph.vmetric || defaultVMetrics;
  7089. vx = glyph.vmetric ? vmetric[1] : width * 0.5;
  7090. vx = -vx * widthAdvanceScale;
  7091. vy = vmetric[2] * widthAdvanceScale;
  7092. width = vmetric ? -vmetric[0] : width;
  7093. scaledX = vx / fontSizeScale;
  7094. scaledY = (x + vy) / fontSizeScale;
  7095. } else {
  7096. scaledX = x / fontSizeScale;
  7097. scaledY = 0;
  7098. }
  7099. if (font.remeasure && width > 0) {
  7100. var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
  7101. if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
  7102. var characterScaleX = width / measuredWidth;
  7103. restoreNeeded = true;
  7104. ctx.save();
  7105. ctx.scale(characterScaleX, 1);
  7106. scaledX /= characterScaleX;
  7107. } else if (width !== measuredWidth) {
  7108. scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
  7109. }
  7110. }
  7111. if (glyph.isInFont || font.missingFile) {
  7112. if (simpleFillText && !accent) {
  7113. ctx.fillText(character, scaledX, scaledY);
  7114. } else {
  7115. this.paintChar(character, scaledX, scaledY);
  7116. if (accent) {
  7117. scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
  7118. scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
  7119. this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
  7120. }
  7121. }
  7122. }
  7123. var charWidth = width * widthAdvanceScale + spacing * fontDirection;
  7124. x += charWidth;
  7125. if (restoreNeeded) {
  7126. ctx.restore();
  7127. }
  7128. }
  7129. if (vertical) {
  7130. current.y -= x * textHScale;
  7131. } else {
  7132. current.x += x * textHScale;
  7133. }
  7134. ctx.restore();
  7135. },
  7136. showType3Text: function CanvasGraphics_showType3Text(glyphs) {
  7137. var ctx = this.ctx;
  7138. var current = this.current;
  7139. var font = current.font;
  7140. var fontSize = current.fontSize;
  7141. var fontDirection = current.fontDirection;
  7142. var spacingDir = font.vertical ? 1 : -1;
  7143. var charSpacing = current.charSpacing;
  7144. var wordSpacing = current.wordSpacing;
  7145. var textHScale = current.textHScale * fontDirection;
  7146. var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
  7147. var glyphsLength = glyphs.length;
  7148. var isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE;
  7149. var i, glyph, width, spacingLength;
  7150. if (isTextInvisible || fontSize === 0) {
  7151. return;
  7152. }
  7153. this.cachedGetSinglePixelWidth = null;
  7154. ctx.save();
  7155. ctx.transform.apply(ctx, current.textMatrix);
  7156. ctx.translate(current.x, current.y);
  7157. ctx.scale(textHScale, fontDirection);
  7158. for (i = 0; i < glyphsLength; ++i) {
  7159. glyph = glyphs[i];
  7160. if (isNum(glyph)) {
  7161. spacingLength = spacingDir * glyph * fontSize / 1000;
  7162. this.ctx.translate(spacingLength, 0);
  7163. current.x += spacingLength * textHScale;
  7164. continue;
  7165. }
  7166. var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
  7167. var operatorList = font.charProcOperatorList[glyph.operatorListId];
  7168. if (!operatorList) {
  7169. warn('Type3 character \"' + glyph.operatorListId + '\" is not available');
  7170. continue;
  7171. }
  7172. this.processingType3 = glyph;
  7173. this.save();
  7174. ctx.scale(fontSize, fontSize);
  7175. ctx.transform.apply(ctx, fontMatrix);
  7176. this.executeOperatorList(operatorList);
  7177. this.restore();
  7178. var transformed = Util.applyTransform([
  7179. glyph.width,
  7180. 0
  7181. ], fontMatrix);
  7182. width = transformed[0] * fontSize + spacing;
  7183. ctx.translate(width, 0);
  7184. current.x += width * textHScale;
  7185. }
  7186. ctx.restore();
  7187. this.processingType3 = null;
  7188. },
  7189. setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {
  7190. },
  7191. setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
  7192. this.ctx.rect(llx, lly, urx - llx, ury - lly);
  7193. this.clip();
  7194. this.endPath();
  7195. },
  7196. getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
  7197. var pattern;
  7198. if (IR[0] === 'TilingPattern') {
  7199. var color = IR[1];
  7200. var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
  7201. var self = this;
  7202. var canvasGraphicsFactory = {
  7203. createCanvasGraphics: function (ctx) {
  7204. return new CanvasGraphics(ctx, self.commonObjs, self.objs, self.canvasFactory);
  7205. }
  7206. };
  7207. pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
  7208. } else {
  7209. pattern = getShadingPatternFromIR(IR);
  7210. }
  7211. return pattern;
  7212. },
  7213. setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
  7214. this.current.strokeColor = this.getColorN_Pattern(arguments);
  7215. },
  7216. setFillColorN: function CanvasGraphics_setFillColorN() {
  7217. this.current.fillColor = this.getColorN_Pattern(arguments);
  7218. this.current.patternFill = true;
  7219. },
  7220. setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
  7221. var color = Util.makeCssRgb(r, g, b);
  7222. this.ctx.strokeStyle = color;
  7223. this.current.strokeColor = color;
  7224. },
  7225. setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
  7226. var color = Util.makeCssRgb(r, g, b);
  7227. this.ctx.fillStyle = color;
  7228. this.current.fillColor = color;
  7229. this.current.patternFill = false;
  7230. },
  7231. shadingFill: function CanvasGraphics_shadingFill(patternIR) {
  7232. var ctx = this.ctx;
  7233. this.save();
  7234. var pattern = getShadingPatternFromIR(patternIR);
  7235. ctx.fillStyle = pattern.getPattern(ctx, this, true);
  7236. var inv = ctx.mozCurrentTransformInverse;
  7237. if (inv) {
  7238. var canvas = ctx.canvas;
  7239. var width = canvas.width;
  7240. var height = canvas.height;
  7241. var bl = Util.applyTransform([
  7242. 0,
  7243. 0
  7244. ], inv);
  7245. var br = Util.applyTransform([
  7246. 0,
  7247. height
  7248. ], inv);
  7249. var ul = Util.applyTransform([
  7250. width,
  7251. 0
  7252. ], inv);
  7253. var ur = Util.applyTransform([
  7254. width,
  7255. height
  7256. ], inv);
  7257. var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
  7258. var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
  7259. var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
  7260. var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
  7261. this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
  7262. } else {
  7263. this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
  7264. }
  7265. this.restore();
  7266. },
  7267. beginInlineImage: function CanvasGraphics_beginInlineImage() {
  7268. error('Should not call beginInlineImage');
  7269. },
  7270. beginImageData: function CanvasGraphics_beginImageData() {
  7271. error('Should not call beginImageData');
  7272. },
  7273. paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
  7274. this.save();
  7275. this.baseTransformStack.push(this.baseTransform);
  7276. if (isArray(matrix) && matrix.length === 6) {
  7277. this.transform.apply(this, matrix);
  7278. }
  7279. this.baseTransform = this.ctx.mozCurrentTransform;
  7280. if (isArray(bbox) && bbox.length === 4) {
  7281. var width = bbox[2] - bbox[0];
  7282. var height = bbox[3] - bbox[1];
  7283. this.ctx.rect(bbox[0], bbox[1], width, height);
  7284. this.clip();
  7285. this.endPath();
  7286. }
  7287. },
  7288. paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
  7289. this.restore();
  7290. this.baseTransform = this.baseTransformStack.pop();
  7291. },
  7292. beginGroup: function CanvasGraphics_beginGroup(group) {
  7293. this.save();
  7294. var currentCtx = this.ctx;
  7295. if (!group.isolated) {
  7296. info('TODO: Support non-isolated groups.');
  7297. }
  7298. if (group.knockout) {
  7299. warn('Knockout groups not supported.');
  7300. }
  7301. var currentTransform = currentCtx.mozCurrentTransform;
  7302. if (group.matrix) {
  7303. currentCtx.transform.apply(currentCtx, group.matrix);
  7304. }
  7305. assert(group.bbox, 'Bounding box is required.');
  7306. var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
  7307. var canvasBounds = [
  7308. 0,
  7309. 0,
  7310. currentCtx.canvas.width,
  7311. currentCtx.canvas.height
  7312. ];
  7313. bounds = Util.intersect(bounds, canvasBounds) || [
  7314. 0,
  7315. 0,
  7316. 0,
  7317. 0
  7318. ];
  7319. var offsetX = Math.floor(bounds[0]);
  7320. var offsetY = Math.floor(bounds[1]);
  7321. var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
  7322. var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
  7323. var scaleX = 1, scaleY = 1;
  7324. if (drawnWidth > MAX_GROUP_SIZE) {
  7325. scaleX = drawnWidth / MAX_GROUP_SIZE;
  7326. drawnWidth = MAX_GROUP_SIZE;
  7327. }
  7328. if (drawnHeight > MAX_GROUP_SIZE) {
  7329. scaleY = drawnHeight / MAX_GROUP_SIZE;
  7330. drawnHeight = MAX_GROUP_SIZE;
  7331. }
  7332. var cacheId = 'groupAt' + this.groupLevel;
  7333. if (group.smask) {
  7334. cacheId += '_smask_' + this.smaskCounter++ % 2;
  7335. }
  7336. var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
  7337. var groupCtx = scratchCanvas.context;
  7338. groupCtx.scale(1 / scaleX, 1 / scaleY);
  7339. groupCtx.translate(-offsetX, -offsetY);
  7340. groupCtx.transform.apply(groupCtx, currentTransform);
  7341. if (group.smask) {
  7342. this.smaskStack.push({
  7343. canvas: scratchCanvas.canvas,
  7344. context: groupCtx,
  7345. offsetX: offsetX,
  7346. offsetY: offsetY,
  7347. scaleX: scaleX,
  7348. scaleY: scaleY,
  7349. subtype: group.smask.subtype,
  7350. backdrop: group.smask.backdrop,
  7351. transferMap: group.smask.transferMap || null,
  7352. startTransformInverse: null
  7353. });
  7354. } else {
  7355. currentCtx.setTransform(1, 0, 0, 1, 0, 0);
  7356. currentCtx.translate(offsetX, offsetY);
  7357. currentCtx.scale(scaleX, scaleY);
  7358. }
  7359. copyCtxState(currentCtx, groupCtx);
  7360. this.ctx = groupCtx;
  7361. this.setGState([
  7362. [
  7363. 'BM',
  7364. 'Normal'
  7365. ],
  7366. [
  7367. 'ca',
  7368. 1
  7369. ],
  7370. [
  7371. 'CA',
  7372. 1
  7373. ]
  7374. ]);
  7375. this.groupStack.push(currentCtx);
  7376. this.groupLevel++;
  7377. this.current.activeSMask = null;
  7378. },
  7379. endGroup: function CanvasGraphics_endGroup(group) {
  7380. this.groupLevel--;
  7381. var groupCtx = this.ctx;
  7382. this.ctx = this.groupStack.pop();
  7383. if (this.ctx.imageSmoothingEnabled !== undefined) {
  7384. this.ctx.imageSmoothingEnabled = false;
  7385. } else {
  7386. this.ctx.mozImageSmoothingEnabled = false;
  7387. }
  7388. if (group.smask) {
  7389. this.tempSMask = this.smaskStack.pop();
  7390. } else {
  7391. this.ctx.drawImage(groupCtx.canvas, 0, 0);
  7392. }
  7393. this.restore();
  7394. },
  7395. beginAnnotations: function CanvasGraphics_beginAnnotations() {
  7396. this.save();
  7397. this.current = new CanvasExtraState();
  7398. if (this.baseTransform) {
  7399. this.ctx.setTransform.apply(this.ctx, this.baseTransform);
  7400. }
  7401. },
  7402. endAnnotations: function CanvasGraphics_endAnnotations() {
  7403. this.restore();
  7404. },
  7405. beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
  7406. this.save();
  7407. if (isArray(rect) && rect.length === 4) {
  7408. var width = rect[2] - rect[0];
  7409. var height = rect[3] - rect[1];
  7410. this.ctx.rect(rect[0], rect[1], width, height);
  7411. this.clip();
  7412. this.endPath();
  7413. }
  7414. this.transform.apply(this, transform);
  7415. this.transform.apply(this, matrix);
  7416. },
  7417. endAnnotation: function CanvasGraphics_endAnnotation() {
  7418. this.restore();
  7419. },
  7420. paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
  7421. var domImage = this.objs.get(objId);
  7422. if (!domImage) {
  7423. warn('Dependent image isn\'t ready yet');
  7424. return;
  7425. }
  7426. this.save();
  7427. var ctx = this.ctx;
  7428. ctx.scale(1 / w, -1 / h);
  7429. ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
  7430. if (this.imageLayer) {
  7431. var currentTransform = ctx.mozCurrentTransformInverse;
  7432. var position = this.getCanvasPosition(0, 0);
  7433. this.imageLayer.appendImage({
  7434. objId: objId,
  7435. left: position[0],
  7436. top: position[1],
  7437. width: w / currentTransform[0],
  7438. height: h / currentTransform[3]
  7439. });
  7440. }
  7441. this.restore();
  7442. },
  7443. paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
  7444. var ctx = this.ctx;
  7445. var width = img.width, height = img.height;
  7446. var fillColor = this.current.fillColor;
  7447. var isPatternFill = this.current.patternFill;
  7448. var glyph = this.processingType3;
  7449. if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
  7450. if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
  7451. glyph.compiled = compileType3Glyph({
  7452. data: img.data,
  7453. width: width,
  7454. height: height
  7455. });
  7456. } else {
  7457. glyph.compiled = null;
  7458. }
  7459. }
  7460. if (glyph && glyph.compiled) {
  7461. glyph.compiled(ctx);
  7462. return;
  7463. }
  7464. var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
  7465. var maskCtx = maskCanvas.context;
  7466. maskCtx.save();
  7467. putBinaryImageMask(maskCtx, img);
  7468. maskCtx.globalCompositeOperation = 'source-in';
  7469. maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
  7470. maskCtx.fillRect(0, 0, width, height);
  7471. maskCtx.restore();
  7472. this.paintInlineImageXObject(maskCanvas.canvas);
  7473. },
  7474. paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
  7475. var width = imgData.width;
  7476. var height = imgData.height;
  7477. var fillColor = this.current.fillColor;
  7478. var isPatternFill = this.current.patternFill;
  7479. var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
  7480. var maskCtx = maskCanvas.context;
  7481. maskCtx.save();
  7482. putBinaryImageMask(maskCtx, imgData);
  7483. maskCtx.globalCompositeOperation = 'source-in';
  7484. maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
  7485. maskCtx.fillRect(0, 0, width, height);
  7486. maskCtx.restore();
  7487. var ctx = this.ctx;
  7488. for (var i = 0, ii = positions.length; i < ii; i += 2) {
  7489. ctx.save();
  7490. ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
  7491. ctx.scale(1, -1);
  7492. ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
  7493. ctx.restore();
  7494. }
  7495. },
  7496. paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
  7497. var ctx = this.ctx;
  7498. var fillColor = this.current.fillColor;
  7499. var isPatternFill = this.current.patternFill;
  7500. for (var i = 0, ii = images.length; i < ii; i++) {
  7501. var image = images[i];
  7502. var width = image.width, height = image.height;
  7503. var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
  7504. var maskCtx = maskCanvas.context;
  7505. maskCtx.save();
  7506. putBinaryImageMask(maskCtx, image);
  7507. maskCtx.globalCompositeOperation = 'source-in';
  7508. maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
  7509. maskCtx.fillRect(0, 0, width, height);
  7510. maskCtx.restore();
  7511. ctx.save();
  7512. ctx.transform.apply(ctx, image.transform);
  7513. ctx.scale(1, -1);
  7514. ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
  7515. ctx.restore();
  7516. }
  7517. },
  7518. paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
  7519. var imgData = this.objs.get(objId);
  7520. if (!imgData) {
  7521. warn('Dependent image isn\'t ready yet');
  7522. return;
  7523. }
  7524. this.paintInlineImageXObject(imgData);
  7525. },
  7526. paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
  7527. var imgData = this.objs.get(objId);
  7528. if (!imgData) {
  7529. warn('Dependent image isn\'t ready yet');
  7530. return;
  7531. }
  7532. var width = imgData.width;
  7533. var height = imgData.height;
  7534. var map = [];
  7535. for (var i = 0, ii = positions.length; i < ii; i += 2) {
  7536. map.push({
  7537. transform: [
  7538. scaleX,
  7539. 0,
  7540. 0,
  7541. scaleY,
  7542. positions[i],
  7543. positions[i + 1]
  7544. ],
  7545. x: 0,
  7546. y: 0,
  7547. w: width,
  7548. h: height
  7549. });
  7550. }
  7551. this.paintInlineImageXObjectGroup(imgData, map);
  7552. },
  7553. paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
  7554. var width = imgData.width;
  7555. var height = imgData.height;
  7556. var ctx = this.ctx;
  7557. this.save();
  7558. ctx.scale(1 / width, -1 / height);
  7559. var currentTransform = ctx.mozCurrentTransformInverse;
  7560. var a = currentTransform[0], b = currentTransform[1];
  7561. var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
  7562. var c = currentTransform[2], d = currentTransform[3];
  7563. var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
  7564. var imgToPaint, tmpCanvas;
  7565. if (imgData instanceof HTMLElement || !imgData.data) {
  7566. imgToPaint = imgData;
  7567. } else {
  7568. tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
  7569. var tmpCtx = tmpCanvas.context;
  7570. putBinaryImageData(tmpCtx, imgData);
  7571. imgToPaint = tmpCanvas.canvas;
  7572. }
  7573. var paintWidth = width, paintHeight = height;
  7574. var tmpCanvasId = 'prescale1';
  7575. while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
  7576. var newWidth = paintWidth, newHeight = paintHeight;
  7577. if (widthScale > 2 && paintWidth > 1) {
  7578. newWidth = Math.ceil(paintWidth / 2);
  7579. widthScale /= paintWidth / newWidth;
  7580. }
  7581. if (heightScale > 2 && paintHeight > 1) {
  7582. newHeight = Math.ceil(paintHeight / 2);
  7583. heightScale /= paintHeight / newHeight;
  7584. }
  7585. tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
  7586. tmpCtx = tmpCanvas.context;
  7587. tmpCtx.clearRect(0, 0, newWidth, newHeight);
  7588. tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
  7589. imgToPaint = tmpCanvas.canvas;
  7590. paintWidth = newWidth;
  7591. paintHeight = newHeight;
  7592. tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
  7593. }
  7594. ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
  7595. if (this.imageLayer) {
  7596. var position = this.getCanvasPosition(0, -height);
  7597. this.imageLayer.appendImage({
  7598. imgData: imgData,
  7599. left: position[0],
  7600. top: position[1],
  7601. width: width / currentTransform[0],
  7602. height: height / currentTransform[3]
  7603. });
  7604. }
  7605. this.restore();
  7606. },
  7607. paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
  7608. var ctx = this.ctx;
  7609. var w = imgData.width;
  7610. var h = imgData.height;
  7611. var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
  7612. var tmpCtx = tmpCanvas.context;
  7613. putBinaryImageData(tmpCtx, imgData);
  7614. for (var i = 0, ii = map.length; i < ii; i++) {
  7615. var entry = map[i];
  7616. ctx.save();
  7617. ctx.transform.apply(ctx, entry.transform);
  7618. ctx.scale(1, -1);
  7619. ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
  7620. if (this.imageLayer) {
  7621. var position = this.getCanvasPosition(entry.x, entry.y);
  7622. this.imageLayer.appendImage({
  7623. imgData: imgData,
  7624. left: position[0],
  7625. top: position[1],
  7626. width: w,
  7627. height: h
  7628. });
  7629. }
  7630. ctx.restore();
  7631. }
  7632. },
  7633. paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
  7634. this.ctx.fillRect(0, 0, 1, 1);
  7635. },
  7636. paintXObject: function CanvasGraphics_paintXObject() {
  7637. warn('Unsupported \'paintXObject\' command.');
  7638. },
  7639. markPoint: function CanvasGraphics_markPoint(tag) {
  7640. },
  7641. markPointProps: function CanvasGraphics_markPointProps(tag, properties) {
  7642. },
  7643. beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
  7644. },
  7645. beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
  7646. },
  7647. endMarkedContent: function CanvasGraphics_endMarkedContent() {
  7648. },
  7649. beginCompat: function CanvasGraphics_beginCompat() {
  7650. },
  7651. endCompat: function CanvasGraphics_endCompat() {
  7652. },
  7653. consumePath: function CanvasGraphics_consumePath() {
  7654. var ctx = this.ctx;
  7655. if (this.pendingClip) {
  7656. if (this.pendingClip === EO_CLIP) {
  7657. ctx.clip('evenodd');
  7658. } else {
  7659. ctx.clip();
  7660. }
  7661. this.pendingClip = null;
  7662. }
  7663. ctx.beginPath();
  7664. },
  7665. getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
  7666. if (this.cachedGetSinglePixelWidth === null) {
  7667. this.ctx.save();
  7668. var inverse = this.ctx.mozCurrentTransformInverse;
  7669. this.ctx.restore();
  7670. this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
  7671. }
  7672. return this.cachedGetSinglePixelWidth;
  7673. },
  7674. getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
  7675. var transform = this.ctx.mozCurrentTransform;
  7676. return [
  7677. transform[0] * x + transform[2] * y + transform[4],
  7678. transform[1] * x + transform[3] * y + transform[5]
  7679. ];
  7680. }
  7681. };
  7682. for (var op in OPS) {
  7683. CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
  7684. }
  7685. return CanvasGraphics;
  7686. }();
  7687. exports.CanvasGraphics = CanvasGraphics;
  7688. /***/ }),
  7689. /* 11 */
  7690. /***/ (function(module, exports, __w_pdfjs_require__) {
  7691. "use strict";
  7692. var sharedUtil = __w_pdfjs_require__(0);
  7693. var assert = sharedUtil.assert;
  7694. var bytesToString = sharedUtil.bytesToString;
  7695. var string32 = sharedUtil.string32;
  7696. var shadow = sharedUtil.shadow;
  7697. var warn = sharedUtil.warn;
  7698. function FontLoader(docId) {
  7699. this.docId = docId;
  7700. this.styleElement = null;
  7701. this.nativeFontFaces = [];
  7702. this.loadTestFontId = 0;
  7703. this.loadingContext = {
  7704. requests: [],
  7705. nextRequestId: 0
  7706. };
  7707. }
  7708. FontLoader.prototype = {
  7709. insertRule: function fontLoaderInsertRule(rule) {
  7710. var styleElement = this.styleElement;
  7711. if (!styleElement) {
  7712. styleElement = this.styleElement = document.createElement('style');
  7713. styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
  7714. document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
  7715. }
  7716. var styleSheet = styleElement.sheet;
  7717. styleSheet.insertRule(rule, styleSheet.cssRules.length);
  7718. },
  7719. clear: function fontLoaderClear() {
  7720. if (this.styleElement) {
  7721. this.styleElement.remove();
  7722. this.styleElement = null;
  7723. }
  7724. this.nativeFontFaces.forEach(function (nativeFontFace) {
  7725. document.fonts.delete(nativeFontFace);
  7726. });
  7727. this.nativeFontFaces.length = 0;
  7728. }
  7729. };
  7730. var getLoadTestFont = function () {
  7731. return 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==');
  7732. };
  7733. Object.defineProperty(FontLoader.prototype, 'loadTestFont', {
  7734. get: function () {
  7735. return shadow(this, 'loadTestFont', getLoadTestFont());
  7736. },
  7737. configurable: true
  7738. });
  7739. FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) {
  7740. this.nativeFontFaces.push(nativeFontFace);
  7741. document.fonts.add(nativeFontFace);
  7742. };
  7743. FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
  7744. var rules = [];
  7745. var fontsToLoad = [];
  7746. var fontLoadPromises = [];
  7747. var getNativeFontPromise = function (nativeFontFace) {
  7748. return nativeFontFace.loaded.catch(function (e) {
  7749. warn('Failed to load font "' + nativeFontFace.family + '": ' + e);
  7750. });
  7751. };
  7752. var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported;
  7753. for (var i = 0, ii = fonts.length; i < ii; i++) {
  7754. var font = fonts[i];
  7755. if (font.attached || font.loading === false) {
  7756. continue;
  7757. }
  7758. font.attached = true;
  7759. if (isFontLoadingAPISupported) {
  7760. var nativeFontFace = font.createNativeFontFace();
  7761. if (nativeFontFace) {
  7762. this.addNativeFontFace(nativeFontFace);
  7763. fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
  7764. }
  7765. } else {
  7766. var rule = font.createFontFaceRule();
  7767. if (rule) {
  7768. this.insertRule(rule);
  7769. rules.push(rule);
  7770. fontsToLoad.push(font);
  7771. }
  7772. }
  7773. }
  7774. var request = this.queueLoadingCallback(callback);
  7775. if (isFontLoadingAPISupported) {
  7776. Promise.all(fontLoadPromises).then(function () {
  7777. request.complete();
  7778. });
  7779. } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
  7780. this.prepareFontLoadEvent(rules, fontsToLoad, request);
  7781. } else {
  7782. request.complete();
  7783. }
  7784. };
  7785. FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) {
  7786. function LoadLoader_completeRequest() {
  7787. assert(!request.end, 'completeRequest() cannot be called twice');
  7788. request.end = Date.now();
  7789. while (context.requests.length > 0 && context.requests[0].end) {
  7790. var otherRequest = context.requests.shift();
  7791. setTimeout(otherRequest.callback, 0);
  7792. }
  7793. }
  7794. var context = this.loadingContext;
  7795. var requestId = 'pdfjs-font-loading-' + context.nextRequestId++;
  7796. var request = {
  7797. id: requestId,
  7798. complete: LoadLoader_completeRequest,
  7799. callback: callback,
  7800. started: Date.now()
  7801. };
  7802. context.requests.push(request);
  7803. return request;
  7804. };
  7805. FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(rules, fonts, request) {
  7806. function int32(data, offset) {
  7807. return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
  7808. }
  7809. function spliceString(s, offset, remove, insert) {
  7810. var chunk1 = s.substr(0, offset);
  7811. var chunk2 = s.substr(offset + remove);
  7812. return chunk1 + insert + chunk2;
  7813. }
  7814. var i, ii;
  7815. var canvas = document.createElement('canvas');
  7816. canvas.width = 1;
  7817. canvas.height = 1;
  7818. var ctx = canvas.getContext('2d');
  7819. var called = 0;
  7820. function isFontReady(name, callback) {
  7821. called++;
  7822. if (called > 30) {
  7823. warn('Load test font never loaded.');
  7824. callback();
  7825. return;
  7826. }
  7827. ctx.font = '30px ' + name;
  7828. ctx.fillText('.', 0, 20);
  7829. var imageData = ctx.getImageData(0, 0, 1, 1);
  7830. if (imageData.data[3] > 0) {
  7831. callback();
  7832. return;
  7833. }
  7834. setTimeout(isFontReady.bind(null, name, callback));
  7835. }
  7836. var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
  7837. var data = this.loadTestFont;
  7838. var COMMENT_OFFSET = 976;
  7839. data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
  7840. var CFF_CHECKSUM_OFFSET = 16;
  7841. var XXXX_VALUE = 0x58585858;
  7842. var checksum = int32(data, CFF_CHECKSUM_OFFSET);
  7843. for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
  7844. checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
  7845. }
  7846. if (i < loadTestFontId.length) {
  7847. checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
  7848. }
  7849. data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
  7850. var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
  7851. var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}';
  7852. this.insertRule(rule);
  7853. var names = [];
  7854. for (i = 0, ii = fonts.length; i < ii; i++) {
  7855. names.push(fonts[i].loadedName);
  7856. }
  7857. names.push(loadTestFontId);
  7858. var div = document.createElement('div');
  7859. div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
  7860. for (i = 0, ii = names.length; i < ii; ++i) {
  7861. var span = document.createElement('span');
  7862. span.textContent = 'Hi';
  7863. span.style.fontFamily = names[i];
  7864. div.appendChild(span);
  7865. }
  7866. document.body.appendChild(div);
  7867. isFontReady(loadTestFontId, function () {
  7868. document.body.removeChild(div);
  7869. request.complete();
  7870. });
  7871. };
  7872. FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts;
  7873. var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {
  7874. if (typeof navigator === 'undefined') {
  7875. return true;
  7876. }
  7877. var supported = false;
  7878. var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
  7879. if (m && m[1] >= 14) {
  7880. supported = true;
  7881. }
  7882. return supported;
  7883. };
  7884. Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
  7885. get: function () {
  7886. return shadow(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported());
  7887. },
  7888. enumerable: true,
  7889. configurable: true
  7890. });
  7891. var IsEvalSupportedCached = {
  7892. get value() {
  7893. return shadow(this, 'value', sharedUtil.isEvalSupported());
  7894. }
  7895. };
  7896. var FontFaceObject = function FontFaceObjectClosure() {
  7897. function FontFaceObject(translatedData, options) {
  7898. this.compiledGlyphs = Object.create(null);
  7899. for (var i in translatedData) {
  7900. this[i] = translatedData[i];
  7901. }
  7902. this.options = options;
  7903. }
  7904. FontFaceObject.prototype = {
  7905. createNativeFontFace: function FontFaceObject_createNativeFontFace() {
  7906. if (!this.data) {
  7907. return null;
  7908. }
  7909. if (this.options.disableFontFace) {
  7910. this.disableFontFace = true;
  7911. return null;
  7912. }
  7913. var nativeFontFace = new FontFace(this.loadedName, this.data, {});
  7914. if (this.options.fontRegistry) {
  7915. this.options.fontRegistry.registerFont(this);
  7916. }
  7917. return nativeFontFace;
  7918. },
  7919. createFontFaceRule: function FontFaceObject_createFontFaceRule() {
  7920. if (!this.data) {
  7921. return null;
  7922. }
  7923. if (this.options.disableFontFace) {
  7924. this.disableFontFace = true;
  7925. return null;
  7926. }
  7927. var data = bytesToString(new Uint8Array(this.data));
  7928. var fontName = this.loadedName;
  7929. var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
  7930. var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
  7931. if (this.options.fontRegistry) {
  7932. this.options.fontRegistry.registerFont(this, url);
  7933. }
  7934. return rule;
  7935. },
  7936. getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) {
  7937. if (!(character in this.compiledGlyphs)) {
  7938. var cmds = objs.get(this.loadedName + '_path_' + character);
  7939. var current, i, len;
  7940. if (this.options.isEvalSupported && IsEvalSupportedCached.value) {
  7941. var args, js = '';
  7942. for (i = 0, len = cmds.length; i < len; i++) {
  7943. current = cmds[i];
  7944. if (current.args !== undefined) {
  7945. args = current.args.join(',');
  7946. } else {
  7947. args = '';
  7948. }
  7949. js += 'c.' + current.cmd + '(' + args + ');\n';
  7950. }
  7951. this.compiledGlyphs[character] = new Function('c', 'size', js);
  7952. } else {
  7953. this.compiledGlyphs[character] = function (c, size) {
  7954. for (i = 0, len = cmds.length; i < len; i++) {
  7955. current = cmds[i];
  7956. if (current.cmd === 'scale') {
  7957. current.args = [
  7958. size,
  7959. -size
  7960. ];
  7961. }
  7962. c[current.cmd].apply(c, current.args);
  7963. }
  7964. };
  7965. }
  7966. }
  7967. return this.compiledGlyphs[character];
  7968. }
  7969. };
  7970. return FontFaceObject;
  7971. }();
  7972. exports.FontFaceObject = FontFaceObject;
  7973. exports.FontLoader = FontLoader;
  7974. /***/ }),
  7975. /* 12 */
  7976. /***/ (function(module, exports, __w_pdfjs_require__) {
  7977. "use strict";
  7978. var sharedUtil = __w_pdfjs_require__(0);
  7979. var displayWebGL = __w_pdfjs_require__(8);
  7980. var Util = sharedUtil.Util;
  7981. var info = sharedUtil.info;
  7982. var isArray = sharedUtil.isArray;
  7983. var error = sharedUtil.error;
  7984. var WebGLUtils = displayWebGL.WebGLUtils;
  7985. var ShadingIRs = {};
  7986. ShadingIRs.RadialAxial = {
  7987. fromIR: function RadialAxial_fromIR(raw) {
  7988. var type = raw[1];
  7989. var colorStops = raw[2];
  7990. var p0 = raw[3];
  7991. var p1 = raw[4];
  7992. var r0 = raw[5];
  7993. var r1 = raw[6];
  7994. return {
  7995. type: 'Pattern',
  7996. getPattern: function RadialAxial_getPattern(ctx) {
  7997. var grad;
  7998. if (type === 'axial') {
  7999. grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
  8000. } else if (type === 'radial') {
  8001. grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
  8002. }
  8003. for (var i = 0, ii = colorStops.length; i < ii; ++i) {
  8004. var c = colorStops[i];
  8005. grad.addColorStop(c[0], c[1]);
  8006. }
  8007. return grad;
  8008. }
  8009. };
  8010. }
  8011. };
  8012. var createMeshCanvas = function createMeshCanvasClosure() {
  8013. function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
  8014. var coords = context.coords, colors = context.colors;
  8015. var bytes = data.data, rowSize = data.width * 4;
  8016. var tmp;
  8017. if (coords[p1 + 1] > coords[p2 + 1]) {
  8018. tmp = p1;
  8019. p1 = p2;
  8020. p2 = tmp;
  8021. tmp = c1;
  8022. c1 = c2;
  8023. c2 = tmp;
  8024. }
  8025. if (coords[p2 + 1] > coords[p3 + 1]) {
  8026. tmp = p2;
  8027. p2 = p3;
  8028. p3 = tmp;
  8029. tmp = c2;
  8030. c2 = c3;
  8031. c3 = tmp;
  8032. }
  8033. if (coords[p1 + 1] > coords[p2 + 1]) {
  8034. tmp = p1;
  8035. p1 = p2;
  8036. p2 = tmp;
  8037. tmp = c1;
  8038. c1 = c2;
  8039. c2 = tmp;
  8040. }
  8041. var x1 = (coords[p1] + context.offsetX) * context.scaleX;
  8042. var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
  8043. var x2 = (coords[p2] + context.offsetX) * context.scaleX;
  8044. var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
  8045. var x3 = (coords[p3] + context.offsetX) * context.scaleX;
  8046. var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
  8047. if (y1 >= y3) {
  8048. return;
  8049. }
  8050. var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2];
  8051. var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2];
  8052. var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2];
  8053. var minY = Math.round(y1), maxY = Math.round(y3);
  8054. var xa, car, cag, cab;
  8055. var xb, cbr, cbg, cbb;
  8056. var k;
  8057. for (var y = minY; y <= maxY; y++) {
  8058. if (y < y2) {
  8059. k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
  8060. xa = x1 - (x1 - x2) * k;
  8061. car = c1r - (c1r - c2r) * k;
  8062. cag = c1g - (c1g - c2g) * k;
  8063. cab = c1b - (c1b - c2b) * k;
  8064. } else {
  8065. k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
  8066. xa = x2 - (x2 - x3) * k;
  8067. car = c2r - (c2r - c3r) * k;
  8068. cag = c2g - (c2g - c3g) * k;
  8069. cab = c2b - (c2b - c3b) * k;
  8070. }
  8071. k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
  8072. xb = x1 - (x1 - x3) * k;
  8073. cbr = c1r - (c1r - c3r) * k;
  8074. cbg = c1g - (c1g - c3g) * k;
  8075. cbb = c1b - (c1b - c3b) * k;
  8076. var x1_ = Math.round(Math.min(xa, xb));
  8077. var x2_ = Math.round(Math.max(xa, xb));
  8078. var j = rowSize * y + x1_ * 4;
  8079. for (var x = x1_; x <= x2_; x++) {
  8080. k = (xa - x) / (xa - xb);
  8081. k = k < 0 ? 0 : k > 1 ? 1 : k;
  8082. bytes[j++] = car - (car - cbr) * k | 0;
  8083. bytes[j++] = cag - (cag - cbg) * k | 0;
  8084. bytes[j++] = cab - (cab - cbb) * k | 0;
  8085. bytes[j++] = 255;
  8086. }
  8087. }
  8088. }
  8089. function drawFigure(data, figure, context) {
  8090. var ps = figure.coords;
  8091. var cs = figure.colors;
  8092. var i, ii;
  8093. switch (figure.type) {
  8094. case 'lattice':
  8095. var verticesPerRow = figure.verticesPerRow;
  8096. var rows = Math.floor(ps.length / verticesPerRow) - 1;
  8097. var cols = verticesPerRow - 1;
  8098. for (i = 0; i < rows; i++) {
  8099. var q = i * verticesPerRow;
  8100. for (var j = 0; j < cols; j++, q++) {
  8101. drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
  8102. drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
  8103. }
  8104. }
  8105. break;
  8106. case 'triangles':
  8107. for (i = 0, ii = ps.length; i < ii; i += 3) {
  8108. drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
  8109. }
  8110. break;
  8111. default:
  8112. error('illigal figure');
  8113. break;
  8114. }
  8115. }
  8116. function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) {
  8117. var EXPECTED_SCALE = 1.1;
  8118. var MAX_PATTERN_SIZE = 3000;
  8119. var BORDER_SIZE = 2;
  8120. var offsetX = Math.floor(bounds[0]);
  8121. var offsetY = Math.floor(bounds[1]);
  8122. var boundsWidth = Math.ceil(bounds[2]) - offsetX;
  8123. var boundsHeight = Math.ceil(bounds[3]) - offsetY;
  8124. var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
  8125. var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
  8126. var scaleX = boundsWidth / width;
  8127. var scaleY = boundsHeight / height;
  8128. var context = {
  8129. coords: coords,
  8130. colors: colors,
  8131. offsetX: -offsetX,
  8132. offsetY: -offsetY,
  8133. scaleX: 1 / scaleX,
  8134. scaleY: 1 / scaleY
  8135. };
  8136. var paddedWidth = width + BORDER_SIZE * 2;
  8137. var paddedHeight = height + BORDER_SIZE * 2;
  8138. var canvas, tmpCanvas, i, ii;
  8139. if (WebGLUtils.isEnabled) {
  8140. canvas = WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
  8141. tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
  8142. tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
  8143. canvas = tmpCanvas.canvas;
  8144. } else {
  8145. tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
  8146. var tmpCtx = tmpCanvas.context;
  8147. var data = tmpCtx.createImageData(width, height);
  8148. if (backgroundColor) {
  8149. var bytes = data.data;
  8150. for (i = 0, ii = bytes.length; i < ii; i += 4) {
  8151. bytes[i] = backgroundColor[0];
  8152. bytes[i + 1] = backgroundColor[1];
  8153. bytes[i + 2] = backgroundColor[2];
  8154. bytes[i + 3] = 255;
  8155. }
  8156. }
  8157. for (i = 0; i < figures.length; i++) {
  8158. drawFigure(data, figures[i], context);
  8159. }
  8160. tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
  8161. canvas = tmpCanvas.canvas;
  8162. }
  8163. return {
  8164. canvas: canvas,
  8165. offsetX: offsetX - BORDER_SIZE * scaleX,
  8166. offsetY: offsetY - BORDER_SIZE * scaleY,
  8167. scaleX: scaleX,
  8168. scaleY: scaleY
  8169. };
  8170. }
  8171. return createMeshCanvas;
  8172. }();
  8173. ShadingIRs.Mesh = {
  8174. fromIR: function Mesh_fromIR(raw) {
  8175. var coords = raw[2];
  8176. var colors = raw[3];
  8177. var figures = raw[4];
  8178. var bounds = raw[5];
  8179. var matrix = raw[6];
  8180. var background = raw[8];
  8181. return {
  8182. type: 'Pattern',
  8183. getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
  8184. var scale;
  8185. if (shadingFill) {
  8186. scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
  8187. } else {
  8188. scale = Util.singularValueDecompose2dScale(owner.baseTransform);
  8189. if (matrix) {
  8190. var matrixScale = Util.singularValueDecompose2dScale(matrix);
  8191. scale = [
  8192. scale[0] * matrixScale[0],
  8193. scale[1] * matrixScale[1]
  8194. ];
  8195. }
  8196. }
  8197. var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases);
  8198. if (!shadingFill) {
  8199. ctx.setTransform.apply(ctx, owner.baseTransform);
  8200. if (matrix) {
  8201. ctx.transform.apply(ctx, matrix);
  8202. }
  8203. }
  8204. ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
  8205. ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
  8206. return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
  8207. }
  8208. };
  8209. }
  8210. };
  8211. ShadingIRs.Dummy = {
  8212. fromIR: function Dummy_fromIR() {
  8213. return {
  8214. type: 'Pattern',
  8215. getPattern: function Dummy_fromIR_getPattern() {
  8216. return 'hotpink';
  8217. }
  8218. };
  8219. }
  8220. };
  8221. function getShadingPatternFromIR(raw) {
  8222. var shadingIR = ShadingIRs[raw[0]];
  8223. if (!shadingIR) {
  8224. error('Unknown IR type: ' + raw[0]);
  8225. }
  8226. return shadingIR.fromIR(raw);
  8227. }
  8228. var TilingPattern = function TilingPatternClosure() {
  8229. var PaintType = {
  8230. COLORED: 1,
  8231. UNCOLORED: 2
  8232. };
  8233. var MAX_PATTERN_SIZE = 3000;
  8234. function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
  8235. this.operatorList = IR[2];
  8236. this.matrix = IR[3] || [
  8237. 1,
  8238. 0,
  8239. 0,
  8240. 1,
  8241. 0,
  8242. 0
  8243. ];
  8244. this.bbox = IR[4];
  8245. this.xstep = IR[5];
  8246. this.ystep = IR[6];
  8247. this.paintType = IR[7];
  8248. this.tilingType = IR[8];
  8249. this.color = color;
  8250. this.canvasGraphicsFactory = canvasGraphicsFactory;
  8251. this.baseTransform = baseTransform;
  8252. this.type = 'Pattern';
  8253. this.ctx = ctx;
  8254. }
  8255. TilingPattern.prototype = {
  8256. createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
  8257. var operatorList = this.operatorList;
  8258. var bbox = this.bbox;
  8259. var xstep = this.xstep;
  8260. var ystep = this.ystep;
  8261. var paintType = this.paintType;
  8262. var tilingType = this.tilingType;
  8263. var color = this.color;
  8264. var canvasGraphicsFactory = this.canvasGraphicsFactory;
  8265. info('TilingType: ' + tilingType);
  8266. var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3];
  8267. var topLeft = [
  8268. x0,
  8269. y0
  8270. ];
  8271. var botRight = [
  8272. x0 + xstep,
  8273. y0 + ystep
  8274. ];
  8275. var width = botRight[0] - topLeft[0];
  8276. var height = botRight[1] - topLeft[1];
  8277. var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
  8278. var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
  8279. var combinedScale = [
  8280. matrixScale[0] * curMatrixScale[0],
  8281. matrixScale[1] * curMatrixScale[1]
  8282. ];
  8283. width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
  8284. height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
  8285. var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
  8286. var tmpCtx = tmpCanvas.context;
  8287. var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
  8288. graphics.groupLevel = owner.groupLevel;
  8289. this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
  8290. this.setScale(width, height, xstep, ystep);
  8291. this.transformToScale(graphics);
  8292. var tmpTranslate = [
  8293. 1,
  8294. 0,
  8295. 0,
  8296. 1,
  8297. -topLeft[0],
  8298. -topLeft[1]
  8299. ];
  8300. graphics.transform.apply(graphics, tmpTranslate);
  8301. this.clipBbox(graphics, bbox, x0, y0, x1, y1);
  8302. graphics.executeOperatorList(operatorList);
  8303. return tmpCanvas.canvas;
  8304. },
  8305. setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
  8306. this.scale = [
  8307. width / xstep,
  8308. height / ystep
  8309. ];
  8310. },
  8311. transformToScale: function TilingPattern_transformToScale(graphics) {
  8312. var scale = this.scale;
  8313. var tmpScale = [
  8314. scale[0],
  8315. 0,
  8316. 0,
  8317. scale[1],
  8318. 0,
  8319. 0
  8320. ];
  8321. graphics.transform.apply(graphics, tmpScale);
  8322. },
  8323. scaleToContext: function TilingPattern_scaleToContext() {
  8324. var scale = this.scale;
  8325. this.ctx.scale(1 / scale[0], 1 / scale[1]);
  8326. },
  8327. clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
  8328. if (bbox && isArray(bbox) && bbox.length === 4) {
  8329. var bboxWidth = x1 - x0;
  8330. var bboxHeight = y1 - y0;
  8331. graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
  8332. graphics.clip();
  8333. graphics.endPath();
  8334. }
  8335. },
  8336. setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) {
  8337. switch (paintType) {
  8338. case PaintType.COLORED:
  8339. var ctx = this.ctx;
  8340. context.fillStyle = ctx.fillStyle;
  8341. context.strokeStyle = ctx.strokeStyle;
  8342. break;
  8343. case PaintType.UNCOLORED:
  8344. var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);
  8345. context.fillStyle = cssColor;
  8346. context.strokeStyle = cssColor;
  8347. break;
  8348. default:
  8349. error('Unsupported paint type: ' + paintType);
  8350. }
  8351. },
  8352. getPattern: function TilingPattern_getPattern(ctx, owner) {
  8353. var temporaryPatternCanvas = this.createPatternCanvas(owner);
  8354. ctx = this.ctx;
  8355. ctx.setTransform.apply(ctx, this.baseTransform);
  8356. ctx.transform.apply(ctx, this.matrix);
  8357. this.scaleToContext();
  8358. return ctx.createPattern(temporaryPatternCanvas, 'repeat');
  8359. }
  8360. };
  8361. return TilingPattern;
  8362. }();
  8363. exports.getShadingPatternFromIR = getShadingPatternFromIR;
  8364. exports.TilingPattern = TilingPattern;
  8365. /***/ }),
  8366. /* 13 */
  8367. /***/ (function(module, exports, __w_pdfjs_require__) {
  8368. "use strict";
  8369. /* WEBPACK VAR INJECTION */(function(global) {
  8370. if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
  8371. var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this;
  8372. var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
  8373. var isAndroid = /Android/.test(userAgent);
  8374. var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent);
  8375. var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
  8376. var isChrome = userAgent.indexOf('Chrom') >= 0;
  8377. var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
  8378. var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
  8379. var isIE = userAgent.indexOf('Trident') >= 0;
  8380. var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
  8381. var isOpera = userAgent.indexOf('Opera') >= 0;
  8382. var isSafari = /Safari\//.test(userAgent) && !/(Chrome\/|Android\s)/.test(userAgent);
  8383. var hasDOM = typeof window === 'object' && typeof document === 'object';
  8384. if (typeof PDFJS === 'undefined') {
  8385. globalScope.PDFJS = {};
  8386. }
  8387. PDFJS.compatibilityChecked = true;
  8388. (function checkTypedArrayCompatibility() {
  8389. if (typeof Uint8Array !== 'undefined') {
  8390. if (typeof Uint8Array.prototype.subarray === 'undefined') {
  8391. Uint8Array.prototype.subarray = function subarray(start, end) {
  8392. return new Uint8Array(this.slice(start, end));
  8393. };
  8394. Float32Array.prototype.subarray = function subarray(start, end) {
  8395. return new Float32Array(this.slice(start, end));
  8396. };
  8397. }
  8398. if (typeof Float64Array === 'undefined') {
  8399. globalScope.Float64Array = Float32Array;
  8400. }
  8401. return;
  8402. }
  8403. function subarray(start, end) {
  8404. return new TypedArray(this.slice(start, end));
  8405. }
  8406. function setArrayOffset(array, offset) {
  8407. if (arguments.length < 2) {
  8408. offset = 0;
  8409. }
  8410. for (var i = 0, n = array.length; i < n; ++i, ++offset) {
  8411. this[offset] = array[i] & 0xFF;
  8412. }
  8413. }
  8414. function TypedArray(arg1) {
  8415. var result, i, n;
  8416. if (typeof arg1 === 'number') {
  8417. result = [];
  8418. for (i = 0; i < arg1; ++i) {
  8419. result[i] = 0;
  8420. }
  8421. } else if ('slice' in arg1) {
  8422. result = arg1.slice(0);
  8423. } else {
  8424. result = [];
  8425. for (i = 0, n = arg1.length; i < n; ++i) {
  8426. result[i] = arg1[i];
  8427. }
  8428. }
  8429. result.subarray = subarray;
  8430. result.buffer = result;
  8431. result.byteLength = result.length;
  8432. result.set = setArrayOffset;
  8433. if (typeof arg1 === 'object' && arg1.buffer) {
  8434. result.buffer = arg1.buffer;
  8435. }
  8436. return result;
  8437. }
  8438. globalScope.Uint8Array = TypedArray;
  8439. globalScope.Int8Array = TypedArray;
  8440. globalScope.Uint32Array = TypedArray;
  8441. globalScope.Int32Array = TypedArray;
  8442. globalScope.Uint16Array = TypedArray;
  8443. globalScope.Float32Array = TypedArray;
  8444. globalScope.Float64Array = TypedArray;
  8445. }());
  8446. (function normalizeURLObject() {
  8447. if (!globalScope.URL) {
  8448. globalScope.URL = globalScope.webkitURL;
  8449. }
  8450. }());
  8451. (function checkObjectDefinePropertyCompatibility() {
  8452. if (typeof Object.defineProperty !== 'undefined') {
  8453. var definePropertyPossible = true;
  8454. try {
  8455. if (hasDOM) {
  8456. Object.defineProperty(new Image(), 'id', { value: 'test' });
  8457. }
  8458. var Test = function Test() {
  8459. };
  8460. Test.prototype = {
  8461. get id() {
  8462. }
  8463. };
  8464. Object.defineProperty(new Test(), 'id', {
  8465. value: '',
  8466. configurable: true,
  8467. enumerable: true,
  8468. writable: false
  8469. });
  8470. } catch (e) {
  8471. definePropertyPossible = false;
  8472. }
  8473. if (definePropertyPossible) {
  8474. return;
  8475. }
  8476. }
  8477. Object.defineProperty = function objectDefineProperty(obj, name, def) {
  8478. delete obj[name];
  8479. if ('get' in def) {
  8480. obj.__defineGetter__(name, def['get']);
  8481. }
  8482. if ('set' in def) {
  8483. obj.__defineSetter__(name, def['set']);
  8484. }
  8485. if ('value' in def) {
  8486. obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
  8487. this.__defineGetter__(name, function objectDefinePropertyGetter() {
  8488. return value;
  8489. });
  8490. return value;
  8491. });
  8492. obj[name] = def.value;
  8493. }
  8494. };
  8495. }());
  8496. (function checkXMLHttpRequestResponseCompatibility() {
  8497. if (typeof XMLHttpRequest === 'undefined') {
  8498. return;
  8499. }
  8500. var xhrPrototype = XMLHttpRequest.prototype;
  8501. var xhr = new XMLHttpRequest();
  8502. if (!('overrideMimeType' in xhr)) {
  8503. Object.defineProperty(xhrPrototype, 'overrideMimeType', {
  8504. value: function xmlHttpRequestOverrideMimeType(mimeType) {
  8505. }
  8506. });
  8507. }
  8508. if ('responseType' in xhr) {
  8509. return;
  8510. }
  8511. Object.defineProperty(xhrPrototype, 'responseType', {
  8512. get: function xmlHttpRequestGetResponseType() {
  8513. return this._responseType || 'text';
  8514. },
  8515. set: function xmlHttpRequestSetResponseType(value) {
  8516. if (value === 'text' || value === 'arraybuffer') {
  8517. this._responseType = value;
  8518. if (value === 'arraybuffer' && typeof this.overrideMimeType === 'function') {
  8519. this.overrideMimeType('text/plain; charset=x-user-defined');
  8520. }
  8521. }
  8522. }
  8523. });
  8524. if (typeof VBArray !== 'undefined') {
  8525. Object.defineProperty(xhrPrototype, 'response', {
  8526. get: function xmlHttpRequestResponseGet() {
  8527. if (this.responseType === 'arraybuffer') {
  8528. return new Uint8Array(new VBArray(this.responseBody).toArray());
  8529. }
  8530. return this.responseText;
  8531. }
  8532. });
  8533. return;
  8534. }
  8535. Object.defineProperty(xhrPrototype, 'response', {
  8536. get: function xmlHttpRequestResponseGet() {
  8537. if (this.responseType !== 'arraybuffer') {
  8538. return this.responseText;
  8539. }
  8540. var text = this.responseText;
  8541. var i, n = text.length;
  8542. var result = new Uint8Array(n);
  8543. for (i = 0; i < n; ++i) {
  8544. result[i] = text.charCodeAt(i) & 0xFF;
  8545. }
  8546. return result.buffer;
  8547. }
  8548. });
  8549. }());
  8550. (function checkWindowBtoaCompatibility() {
  8551. if ('btoa' in globalScope) {
  8552. return;
  8553. }
  8554. var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
  8555. globalScope.btoa = function (chars) {
  8556. var buffer = '';
  8557. var i, n;
  8558. for (i = 0, n = chars.length; i < n; i += 3) {
  8559. var b1 = chars.charCodeAt(i) & 0xFF;
  8560. var b2 = chars.charCodeAt(i + 1) & 0xFF;
  8561. var b3 = chars.charCodeAt(i + 2) & 0xFF;
  8562. var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4;
  8563. var d3 = i + 1 < n ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
  8564. var d4 = i + 2 < n ? b3 & 0x3F : 64;
  8565. buffer += digits.charAt(d1) + digits.charAt(d2) + digits.charAt(d3) + digits.charAt(d4);
  8566. }
  8567. return buffer;
  8568. };
  8569. }());
  8570. (function checkWindowAtobCompatibility() {
  8571. if ('atob' in globalScope) {
  8572. return;
  8573. }
  8574. var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
  8575. globalScope.atob = function (input) {
  8576. input = input.replace(/=+$/, '');
  8577. if (input.length % 4 === 1) {
  8578. throw new Error('bad atob input');
  8579. }
  8580. for (var bc = 0, bs, buffer, idx = 0, output = ''; buffer = input.charAt(idx++); ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer, bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0) {
  8581. buffer = digits.indexOf(buffer);
  8582. }
  8583. return output;
  8584. };
  8585. }());
  8586. (function checkFunctionPrototypeBindCompatibility() {
  8587. if (typeof Function.prototype.bind !== 'undefined') {
  8588. return;
  8589. }
  8590. Function.prototype.bind = function functionPrototypeBind(obj) {
  8591. var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
  8592. var bound = function functionPrototypeBindBound() {
  8593. var args = headArgs.concat(Array.prototype.slice.call(arguments));
  8594. return fn.apply(obj, args);
  8595. };
  8596. return bound;
  8597. };
  8598. }());
  8599. (function checkDatasetProperty() {
  8600. if (!hasDOM) {
  8601. return;
  8602. }
  8603. var div = document.createElement('div');
  8604. if ('dataset' in div) {
  8605. return;
  8606. }
  8607. Object.defineProperty(HTMLElement.prototype, 'dataset', {
  8608. get: function () {
  8609. if (this._dataset) {
  8610. return this._dataset;
  8611. }
  8612. var dataset = {};
  8613. for (var j = 0, jj = this.attributes.length; j < jj; j++) {
  8614. var attribute = this.attributes[j];
  8615. if (attribute.name.substring(0, 5) !== 'data-') {
  8616. continue;
  8617. }
  8618. var key = attribute.name.substring(5).replace(/\-([a-z])/g, function (all, ch) {
  8619. return ch.toUpperCase();
  8620. });
  8621. dataset[key] = attribute.value;
  8622. }
  8623. Object.defineProperty(this, '_dataset', {
  8624. value: dataset,
  8625. writable: false,
  8626. enumerable: false
  8627. });
  8628. return dataset;
  8629. },
  8630. enumerable: true
  8631. });
  8632. }());
  8633. (function checkClassListProperty() {
  8634. function changeList(element, itemName, add, remove) {
  8635. var s = element.className || '';
  8636. var list = s.split(/\s+/g);
  8637. if (list[0] === '') {
  8638. list.shift();
  8639. }
  8640. var index = list.indexOf(itemName);
  8641. if (index < 0 && add) {
  8642. list.push(itemName);
  8643. }
  8644. if (index >= 0 && remove) {
  8645. list.splice(index, 1);
  8646. }
  8647. element.className = list.join(' ');
  8648. return index >= 0;
  8649. }
  8650. if (!hasDOM) {
  8651. return;
  8652. }
  8653. var div = document.createElement('div');
  8654. if ('classList' in div) {
  8655. return;
  8656. }
  8657. var classListPrototype = {
  8658. add: function (name) {
  8659. changeList(this.element, name, true, false);
  8660. },
  8661. contains: function (name) {
  8662. return changeList(this.element, name, false, false);
  8663. },
  8664. remove: function (name) {
  8665. changeList(this.element, name, false, true);
  8666. },
  8667. toggle: function (name) {
  8668. changeList(this.element, name, true, true);
  8669. }
  8670. };
  8671. Object.defineProperty(HTMLElement.prototype, 'classList', {
  8672. get: function () {
  8673. if (this._classList) {
  8674. return this._classList;
  8675. }
  8676. var classList = Object.create(classListPrototype, {
  8677. element: {
  8678. value: this,
  8679. writable: false,
  8680. enumerable: true
  8681. }
  8682. });
  8683. Object.defineProperty(this, '_classList', {
  8684. value: classList,
  8685. writable: false,
  8686. enumerable: false
  8687. });
  8688. return classList;
  8689. },
  8690. enumerable: true
  8691. });
  8692. }());
  8693. (function checkWorkerConsoleCompatibility() {
  8694. if (typeof importScripts === 'undefined' || 'console' in globalScope) {
  8695. return;
  8696. }
  8697. var consoleTimer = {};
  8698. var workerConsole = {
  8699. log: function log() {
  8700. var args = Array.prototype.slice.call(arguments);
  8701. globalScope.postMessage({
  8702. targetName: 'main',
  8703. action: 'console_log',
  8704. data: args
  8705. });
  8706. },
  8707. error: function error() {
  8708. var args = Array.prototype.slice.call(arguments);
  8709. globalScope.postMessage({
  8710. targetName: 'main',
  8711. action: 'console_error',
  8712. data: args
  8713. });
  8714. },
  8715. time: function time(name) {
  8716. consoleTimer[name] = Date.now();
  8717. },
  8718. timeEnd: function timeEnd(name) {
  8719. var time = consoleTimer[name];
  8720. if (!time) {
  8721. throw new Error('Unknown timer name ' + name);
  8722. }
  8723. this.log('Timer:', name, Date.now() - time);
  8724. }
  8725. };
  8726. globalScope.console = workerConsole;
  8727. }());
  8728. (function checkConsoleCompatibility() {
  8729. if (!hasDOM) {
  8730. return;
  8731. }
  8732. if (!('console' in window)) {
  8733. window.console = {
  8734. log: function () {
  8735. },
  8736. error: function () {
  8737. },
  8738. warn: function () {
  8739. }
  8740. };
  8741. return;
  8742. }
  8743. if (!('bind' in console.log)) {
  8744. console.log = function (fn) {
  8745. return function (msg) {
  8746. return fn(msg);
  8747. };
  8748. }(console.log);
  8749. console.error = function (fn) {
  8750. return function (msg) {
  8751. return fn(msg);
  8752. };
  8753. }(console.error);
  8754. console.warn = function (fn) {
  8755. return function (msg) {
  8756. return fn(msg);
  8757. };
  8758. }(console.warn);
  8759. return;
  8760. }
  8761. }());
  8762. (function checkOnClickCompatibility() {
  8763. function ignoreIfTargetDisabled(event) {
  8764. if (isDisabled(event.target)) {
  8765. event.stopPropagation();
  8766. }
  8767. }
  8768. function isDisabled(node) {
  8769. return node.disabled || node.parentNode && isDisabled(node.parentNode);
  8770. }
  8771. if (isOpera) {
  8772. document.addEventListener('click', ignoreIfTargetDisabled, true);
  8773. }
  8774. }());
  8775. (function checkOnBlobSupport() {
  8776. if (isIE || isIOSChrome) {
  8777. PDFJS.disableCreateObjectURL = true;
  8778. }
  8779. }());
  8780. (function checkNavigatorLanguage() {
  8781. if (typeof navigator === 'undefined') {
  8782. return;
  8783. }
  8784. if ('language' in navigator) {
  8785. return;
  8786. }
  8787. PDFJS.locale = navigator.userLanguage || 'en-US';
  8788. }());
  8789. (function checkRangeRequests() {
  8790. if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {
  8791. PDFJS.disableRange = true;
  8792. PDFJS.disableStream = true;
  8793. }
  8794. }());
  8795. (function checkHistoryManipulation() {
  8796. if (!hasDOM) {
  8797. return;
  8798. }
  8799. if (!history.pushState || isAndroidPre3) {
  8800. PDFJS.disableHistory = true;
  8801. }
  8802. }());
  8803. (function checkSetPresenceInImageData() {
  8804. if (!hasDOM) {
  8805. return;
  8806. }
  8807. if (window.CanvasPixelArray) {
  8808. if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
  8809. window.CanvasPixelArray.prototype.set = function (arr) {
  8810. for (var i = 0, ii = this.length; i < ii; i++) {
  8811. this[i] = arr[i];
  8812. }
  8813. };
  8814. }
  8815. } else {
  8816. var polyfill = false, versionMatch;
  8817. if (isChrome) {
  8818. versionMatch = userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
  8819. polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
  8820. } else if (isAndroid) {
  8821. polyfill = isAndroidPre5;
  8822. } else if (isSafari) {
  8823. versionMatch = userAgent.match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
  8824. polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
  8825. }
  8826. if (polyfill) {
  8827. var contextPrototype = window.CanvasRenderingContext2D.prototype;
  8828. var createImageData = contextPrototype.createImageData;
  8829. contextPrototype.createImageData = function (w, h) {
  8830. var imageData = createImageData.call(this, w, h);
  8831. imageData.data.set = function (arr) {
  8832. for (var i = 0, ii = this.length; i < ii; i++) {
  8833. this[i] = arr[i];
  8834. }
  8835. };
  8836. return imageData;
  8837. };
  8838. contextPrototype = null;
  8839. }
  8840. }
  8841. }());
  8842. (function checkRequestAnimationFrame() {
  8843. function fakeRequestAnimationFrame(callback) {
  8844. window.setTimeout(callback, 20);
  8845. }
  8846. if (!hasDOM) {
  8847. return;
  8848. }
  8849. if (isIOS) {
  8850. window.requestAnimationFrame = fakeRequestAnimationFrame;
  8851. return;
  8852. }
  8853. if ('requestAnimationFrame' in window) {
  8854. return;
  8855. }
  8856. window.requestAnimationFrame = window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || fakeRequestAnimationFrame;
  8857. }());
  8858. (function checkCanvasSizeLimitation() {
  8859. if (isIOS || isAndroid) {
  8860. PDFJS.maxCanvasPixels = 5242880;
  8861. }
  8862. }());
  8863. (function checkFullscreenSupport() {
  8864. if (!hasDOM) {
  8865. return;
  8866. }
  8867. if (isIE && window.parent !== window) {
  8868. PDFJS.disableFullscreen = true;
  8869. }
  8870. }());
  8871. (function checkCurrentScript() {
  8872. if (!hasDOM) {
  8873. return;
  8874. }
  8875. if ('currentScript' in document) {
  8876. return;
  8877. }
  8878. Object.defineProperty(document, 'currentScript', {
  8879. get: function () {
  8880. var scripts = document.getElementsByTagName('script');
  8881. return scripts[scripts.length - 1];
  8882. },
  8883. enumerable: true,
  8884. configurable: true
  8885. });
  8886. }());
  8887. (function checkInputTypeNumberAssign() {
  8888. if (!hasDOM) {
  8889. return;
  8890. }
  8891. var el = document.createElement('input');
  8892. try {
  8893. el.type = 'number';
  8894. } catch (ex) {
  8895. var inputProto = el.constructor.prototype;
  8896. var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');
  8897. Object.defineProperty(inputProto, 'type', {
  8898. get: function () {
  8899. return typeProperty.get.call(this);
  8900. },
  8901. set: function (value) {
  8902. typeProperty.set.call(this, value === 'number' ? 'text' : value);
  8903. },
  8904. enumerable: true,
  8905. configurable: true
  8906. });
  8907. }
  8908. }());
  8909. (function checkDocumentReadyState() {
  8910. if (!hasDOM) {
  8911. return;
  8912. }
  8913. if (!document.attachEvent) {
  8914. return;
  8915. }
  8916. var documentProto = document.constructor.prototype;
  8917. var readyStateProto = Object.getOwnPropertyDescriptor(documentProto, 'readyState');
  8918. Object.defineProperty(documentProto, 'readyState', {
  8919. get: function () {
  8920. var value = readyStateProto.get.call(this);
  8921. return value === 'interactive' ? 'loading' : value;
  8922. },
  8923. set: function (value) {
  8924. readyStateProto.set.call(this, value);
  8925. },
  8926. enumerable: true,
  8927. configurable: true
  8928. });
  8929. }());
  8930. (function checkChildNodeRemove() {
  8931. if (!hasDOM) {
  8932. return;
  8933. }
  8934. if (typeof Element.prototype.remove !== 'undefined') {
  8935. return;
  8936. }
  8937. Element.prototype.remove = function () {
  8938. if (this.parentNode) {
  8939. this.parentNode.removeChild(this);
  8940. }
  8941. };
  8942. }());
  8943. (function checkPromise() {
  8944. if (globalScope.Promise) {
  8945. if (typeof globalScope.Promise.all !== 'function') {
  8946. globalScope.Promise.all = function (iterable) {
  8947. var count = 0, results = [], resolve, reject;
  8948. var promise = new globalScope.Promise(function (resolve_, reject_) {
  8949. resolve = resolve_;
  8950. reject = reject_;
  8951. });
  8952. iterable.forEach(function (p, i) {
  8953. count++;
  8954. p.then(function (result) {
  8955. results[i] = result;
  8956. count--;
  8957. if (count === 0) {
  8958. resolve(results);
  8959. }
  8960. }, reject);
  8961. });
  8962. if (count === 0) {
  8963. resolve(results);
  8964. }
  8965. return promise;
  8966. };
  8967. }
  8968. if (typeof globalScope.Promise.resolve !== 'function') {
  8969. globalScope.Promise.resolve = function (value) {
  8970. return new globalScope.Promise(function (resolve) {
  8971. resolve(value);
  8972. });
  8973. };
  8974. }
  8975. if (typeof globalScope.Promise.reject !== 'function') {
  8976. globalScope.Promise.reject = function (reason) {
  8977. return new globalScope.Promise(function (resolve, reject) {
  8978. reject(reason);
  8979. });
  8980. };
  8981. }
  8982. if (typeof globalScope.Promise.prototype.catch !== 'function') {
  8983. globalScope.Promise.prototype.catch = function (onReject) {
  8984. return globalScope.Promise.prototype.then(undefined, onReject);
  8985. };
  8986. }
  8987. return;
  8988. }
  8989. var STATUS_PENDING = 0;
  8990. var STATUS_RESOLVED = 1;
  8991. var STATUS_REJECTED = 2;
  8992. var REJECTION_TIMEOUT = 500;
  8993. var HandlerManager = {
  8994. handlers: [],
  8995. running: false,
  8996. unhandledRejections: [],
  8997. pendingRejectionCheck: false,
  8998. scheduleHandlers: function scheduleHandlers(promise) {
  8999. if (promise._status === STATUS_PENDING) {
  9000. return;
  9001. }
  9002. this.handlers = this.handlers.concat(promise._handlers);
  9003. promise._handlers = [];
  9004. if (this.running) {
  9005. return;
  9006. }
  9007. this.running = true;
  9008. setTimeout(this.runHandlers.bind(this), 0);
  9009. },
  9010. runHandlers: function runHandlers() {
  9011. var RUN_TIMEOUT = 1;
  9012. var timeoutAt = Date.now() + RUN_TIMEOUT;
  9013. while (this.handlers.length > 0) {
  9014. var handler = this.handlers.shift();
  9015. var nextStatus = handler.thisPromise._status;
  9016. var nextValue = handler.thisPromise._value;
  9017. try {
  9018. if (nextStatus === STATUS_RESOLVED) {
  9019. if (typeof handler.onResolve === 'function') {
  9020. nextValue = handler.onResolve(nextValue);
  9021. }
  9022. } else if (typeof handler.onReject === 'function') {
  9023. nextValue = handler.onReject(nextValue);
  9024. nextStatus = STATUS_RESOLVED;
  9025. if (handler.thisPromise._unhandledRejection) {
  9026. this.removeUnhandeledRejection(handler.thisPromise);
  9027. }
  9028. }
  9029. } catch (ex) {
  9030. nextStatus = STATUS_REJECTED;
  9031. nextValue = ex;
  9032. }
  9033. handler.nextPromise._updateStatus(nextStatus, nextValue);
  9034. if (Date.now() >= timeoutAt) {
  9035. break;
  9036. }
  9037. }
  9038. if (this.handlers.length > 0) {
  9039. setTimeout(this.runHandlers.bind(this), 0);
  9040. return;
  9041. }
  9042. this.running = false;
  9043. },
  9044. addUnhandledRejection: function addUnhandledRejection(promise) {
  9045. this.unhandledRejections.push({
  9046. promise: promise,
  9047. time: Date.now()
  9048. });
  9049. this.scheduleRejectionCheck();
  9050. },
  9051. removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
  9052. promise._unhandledRejection = false;
  9053. for (var i = 0; i < this.unhandledRejections.length; i++) {
  9054. if (this.unhandledRejections[i].promise === promise) {
  9055. this.unhandledRejections.splice(i);
  9056. i--;
  9057. }
  9058. }
  9059. },
  9060. scheduleRejectionCheck: function scheduleRejectionCheck() {
  9061. if (this.pendingRejectionCheck) {
  9062. return;
  9063. }
  9064. this.pendingRejectionCheck = true;
  9065. setTimeout(function rejectionCheck() {
  9066. this.pendingRejectionCheck = false;
  9067. var now = Date.now();
  9068. for (var i = 0; i < this.unhandledRejections.length; i++) {
  9069. if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
  9070. var unhandled = this.unhandledRejections[i].promise._value;
  9071. var msg = 'Unhandled rejection: ' + unhandled;
  9072. if (unhandled.stack) {
  9073. msg += '\n' + unhandled.stack;
  9074. }
  9075. try {
  9076. throw new Error(msg);
  9077. } catch (_) {
  9078. console.warn(msg);
  9079. }
  9080. this.unhandledRejections.splice(i);
  9081. i--;
  9082. }
  9083. }
  9084. if (this.unhandledRejections.length) {
  9085. this.scheduleRejectionCheck();
  9086. }
  9087. }.bind(this), REJECTION_TIMEOUT);
  9088. }
  9089. };
  9090. var Promise = function Promise(resolver) {
  9091. this._status = STATUS_PENDING;
  9092. this._handlers = [];
  9093. try {
  9094. resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
  9095. } catch (e) {
  9096. this._reject(e);
  9097. }
  9098. };
  9099. Promise.all = function Promise_all(promises) {
  9100. var resolveAll, rejectAll;
  9101. var deferred = new Promise(function (resolve, reject) {
  9102. resolveAll = resolve;
  9103. rejectAll = reject;
  9104. });
  9105. var unresolved = promises.length;
  9106. var results = [];
  9107. if (unresolved === 0) {
  9108. resolveAll(results);
  9109. return deferred;
  9110. }
  9111. function reject(reason) {
  9112. if (deferred._status === STATUS_REJECTED) {
  9113. return;
  9114. }
  9115. results = [];
  9116. rejectAll(reason);
  9117. }
  9118. for (var i = 0, ii = promises.length; i < ii; ++i) {
  9119. var promise = promises[i];
  9120. var resolve = function (i) {
  9121. return function (value) {
  9122. if (deferred._status === STATUS_REJECTED) {
  9123. return;
  9124. }
  9125. results[i] = value;
  9126. unresolved--;
  9127. if (unresolved === 0) {
  9128. resolveAll(results);
  9129. }
  9130. };
  9131. }(i);
  9132. if (Promise.isPromise(promise)) {
  9133. promise.then(resolve, reject);
  9134. } else {
  9135. resolve(promise);
  9136. }
  9137. }
  9138. return deferred;
  9139. };
  9140. Promise.isPromise = function Promise_isPromise(value) {
  9141. return value && typeof value.then === 'function';
  9142. };
  9143. Promise.resolve = function Promise_resolve(value) {
  9144. return new Promise(function (resolve) {
  9145. resolve(value);
  9146. });
  9147. };
  9148. Promise.reject = function Promise_reject(reason) {
  9149. return new Promise(function (resolve, reject) {
  9150. reject(reason);
  9151. });
  9152. };
  9153. Promise.prototype = {
  9154. _status: null,
  9155. _value: null,
  9156. _handlers: null,
  9157. _unhandledRejection: null,
  9158. _updateStatus: function Promise__updateStatus(status, value) {
  9159. if (this._status === STATUS_RESOLVED || this._status === STATUS_REJECTED) {
  9160. return;
  9161. }
  9162. if (status === STATUS_RESOLVED && Promise.isPromise(value)) {
  9163. value.then(this._updateStatus.bind(this, STATUS_RESOLVED), this._updateStatus.bind(this, STATUS_REJECTED));
  9164. return;
  9165. }
  9166. this._status = status;
  9167. this._value = value;
  9168. if (status === STATUS_REJECTED && this._handlers.length === 0) {
  9169. this._unhandledRejection = true;
  9170. HandlerManager.addUnhandledRejection(this);
  9171. }
  9172. HandlerManager.scheduleHandlers(this);
  9173. },
  9174. _resolve: function Promise_resolve(value) {
  9175. this._updateStatus(STATUS_RESOLVED, value);
  9176. },
  9177. _reject: function Promise_reject(reason) {
  9178. this._updateStatus(STATUS_REJECTED, reason);
  9179. },
  9180. then: function Promise_then(onResolve, onReject) {
  9181. var nextPromise = new Promise(function (resolve, reject) {
  9182. this.resolve = resolve;
  9183. this.reject = reject;
  9184. });
  9185. this._handlers.push({
  9186. thisPromise: this,
  9187. onResolve: onResolve,
  9188. onReject: onReject,
  9189. nextPromise: nextPromise
  9190. });
  9191. HandlerManager.scheduleHandlers(this);
  9192. return nextPromise;
  9193. },
  9194. catch: function Promise_catch(onReject) {
  9195. return this.then(undefined, onReject);
  9196. }
  9197. };
  9198. globalScope.Promise = Promise;
  9199. }());
  9200. (function checkWeakMap() {
  9201. if (globalScope.WeakMap) {
  9202. return;
  9203. }
  9204. var id = 0;
  9205. function WeakMap() {
  9206. this.id = '$weakmap' + id++;
  9207. }
  9208. WeakMap.prototype = {
  9209. has: function (obj) {
  9210. return !!Object.getOwnPropertyDescriptor(obj, this.id);
  9211. },
  9212. get: function (obj, defaultValue) {
  9213. return this.has(obj) ? obj[this.id] : defaultValue;
  9214. },
  9215. set: function (obj, value) {
  9216. Object.defineProperty(obj, this.id, {
  9217. value: value,
  9218. enumerable: false,
  9219. configurable: true
  9220. });
  9221. },
  9222. delete: function (obj) {
  9223. delete obj[this.id];
  9224. }
  9225. };
  9226. globalScope.WeakMap = WeakMap;
  9227. }());
  9228. (function checkURLConstructor() {
  9229. var hasWorkingUrl = false;
  9230. try {
  9231. if (typeof URL === 'function' && typeof URL.prototype === 'object' && 'origin' in URL.prototype) {
  9232. var u = new URL('b', 'http://a');
  9233. u.pathname = 'c%20d';
  9234. hasWorkingUrl = u.href === 'http://a/c%20d';
  9235. }
  9236. } catch (e) {
  9237. }
  9238. if (hasWorkingUrl) {
  9239. return;
  9240. }
  9241. var relative = Object.create(null);
  9242. relative['ftp'] = 21;
  9243. relative['file'] = 0;
  9244. relative['gopher'] = 70;
  9245. relative['http'] = 80;
  9246. relative['https'] = 443;
  9247. relative['ws'] = 80;
  9248. relative['wss'] = 443;
  9249. var relativePathDotMapping = Object.create(null);
  9250. relativePathDotMapping['%2e'] = '.';
  9251. relativePathDotMapping['.%2e'] = '..';
  9252. relativePathDotMapping['%2e.'] = '..';
  9253. relativePathDotMapping['%2e%2e'] = '..';
  9254. function isRelativeScheme(scheme) {
  9255. return relative[scheme] !== undefined;
  9256. }
  9257. function invalid() {
  9258. clear.call(this);
  9259. this._isInvalid = true;
  9260. }
  9261. function IDNAToASCII(h) {
  9262. if (h === '') {
  9263. invalid.call(this);
  9264. }
  9265. return h.toLowerCase();
  9266. }
  9267. function percentEscape(c) {
  9268. var unicode = c.charCodeAt(0);
  9269. if (unicode > 0x20 && unicode < 0x7F && [
  9270. 0x22,
  9271. 0x23,
  9272. 0x3C,
  9273. 0x3E,
  9274. 0x3F,
  9275. 0x60
  9276. ].indexOf(unicode) === -1) {
  9277. return c;
  9278. }
  9279. return encodeURIComponent(c);
  9280. }
  9281. function percentEscapeQuery(c) {
  9282. var unicode = c.charCodeAt(0);
  9283. if (unicode > 0x20 && unicode < 0x7F && [
  9284. 0x22,
  9285. 0x23,
  9286. 0x3C,
  9287. 0x3E,
  9288. 0x60
  9289. ].indexOf(unicode) === -1) {
  9290. return c;
  9291. }
  9292. return encodeURIComponent(c);
  9293. }
  9294. var EOF, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
  9295. function parse(input, stateOverride, base) {
  9296. function err(message) {
  9297. errors.push(message);
  9298. }
  9299. var state = stateOverride || 'scheme start', cursor = 0, buffer = '', seenAt = false, seenBracket = false, errors = [];
  9300. loop:
  9301. while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
  9302. var c = input[cursor];
  9303. switch (state) {
  9304. case 'scheme start':
  9305. if (c && ALPHA.test(c)) {
  9306. buffer += c.toLowerCase();
  9307. state = 'scheme';
  9308. } else if (!stateOverride) {
  9309. buffer = '';
  9310. state = 'no scheme';
  9311. continue;
  9312. } else {
  9313. err('Invalid scheme.');
  9314. break loop;
  9315. }
  9316. break;
  9317. case 'scheme':
  9318. if (c && ALPHANUMERIC.test(c)) {
  9319. buffer += c.toLowerCase();
  9320. } else if (c === ':') {
  9321. this._scheme = buffer;
  9322. buffer = '';
  9323. if (stateOverride) {
  9324. break loop;
  9325. }
  9326. if (isRelativeScheme(this._scheme)) {
  9327. this._isRelative = true;
  9328. }
  9329. if (this._scheme === 'file') {
  9330. state = 'relative';
  9331. } else if (this._isRelative && base && base._scheme === this._scheme) {
  9332. state = 'relative or authority';
  9333. } else if (this._isRelative) {
  9334. state = 'authority first slash';
  9335. } else {
  9336. state = 'scheme data';
  9337. }
  9338. } else if (!stateOverride) {
  9339. buffer = '';
  9340. cursor = 0;
  9341. state = 'no scheme';
  9342. continue;
  9343. } else if (EOF === c) {
  9344. break loop;
  9345. } else {
  9346. err('Code point not allowed in scheme: ' + c);
  9347. break loop;
  9348. }
  9349. break;
  9350. case 'scheme data':
  9351. if (c === '?') {
  9352. this._query = '?';
  9353. state = 'query';
  9354. } else if (c === '#') {
  9355. this._fragment = '#';
  9356. state = 'fragment';
  9357. } else {
  9358. if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
  9359. this._schemeData += percentEscape(c);
  9360. }
  9361. }
  9362. break;
  9363. case 'no scheme':
  9364. if (!base || !isRelativeScheme(base._scheme)) {
  9365. err('Missing scheme.');
  9366. invalid.call(this);
  9367. } else {
  9368. state = 'relative';
  9369. continue;
  9370. }
  9371. break;
  9372. case 'relative or authority':
  9373. if (c === '/' && input[cursor + 1] === '/') {
  9374. state = 'authority ignore slashes';
  9375. } else {
  9376. err('Expected /, got: ' + c);
  9377. state = 'relative';
  9378. continue;
  9379. }
  9380. break;
  9381. case 'relative':
  9382. this._isRelative = true;
  9383. if ('file' !== this._scheme) {
  9384. this._scheme = base._scheme;
  9385. }
  9386. if (EOF === c) {
  9387. this._host = base._host;
  9388. this._port = base._port;
  9389. this._path = base._path.slice();
  9390. this._query = base._query;
  9391. this._username = base._username;
  9392. this._password = base._password;
  9393. break loop;
  9394. } else if (c === '/' || c === '\\') {
  9395. if (c === '\\') {
  9396. err('\\ is an invalid code point.');
  9397. }
  9398. state = 'relative slash';
  9399. } else if (c === '?') {
  9400. this._host = base._host;
  9401. this._port = base._port;
  9402. this._path = base._path.slice();
  9403. this._query = '?';
  9404. this._username = base._username;
  9405. this._password = base._password;
  9406. state = 'query';
  9407. } else if (c === '#') {
  9408. this._host = base._host;
  9409. this._port = base._port;
  9410. this._path = base._path.slice();
  9411. this._query = base._query;
  9412. this._fragment = '#';
  9413. this._username = base._username;
  9414. this._password = base._password;
  9415. state = 'fragment';
  9416. } else {
  9417. var nextC = input[cursor + 1];
  9418. var nextNextC = input[cursor + 2];
  9419. if ('file' !== this._scheme || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC && '?' !== nextNextC && '#' !== nextNextC) {
  9420. this._host = base._host;
  9421. this._port = base._port;
  9422. this._username = base._username;
  9423. this._password = base._password;
  9424. this._path = base._path.slice();
  9425. this._path.pop();
  9426. }
  9427. state = 'relative path';
  9428. continue;
  9429. }
  9430. break;
  9431. case 'relative slash':
  9432. if (c === '/' || c === '\\') {
  9433. if (c === '\\') {
  9434. err('\\ is an invalid code point.');
  9435. }
  9436. if (this._scheme === 'file') {
  9437. state = 'file host';
  9438. } else {
  9439. state = 'authority ignore slashes';
  9440. }
  9441. } else {
  9442. if ('file' !== this._scheme) {
  9443. this._host = base._host;
  9444. this._port = base._port;
  9445. this._username = base._username;
  9446. this._password = base._password;
  9447. }
  9448. state = 'relative path';
  9449. continue;
  9450. }
  9451. break;
  9452. case 'authority first slash':
  9453. if (c === '/') {
  9454. state = 'authority second slash';
  9455. } else {
  9456. err('Expected \'/\', got: ' + c);
  9457. state = 'authority ignore slashes';
  9458. continue;
  9459. }
  9460. break;
  9461. case 'authority second slash':
  9462. state = 'authority ignore slashes';
  9463. if ('/' !== c) {
  9464. err('Expected \'/\', got: ' + c);
  9465. continue;
  9466. }
  9467. break;
  9468. case 'authority ignore slashes':
  9469. if ('/' !== c && '\\' !== c) {
  9470. state = 'authority';
  9471. continue;
  9472. } else {
  9473. err('Expected authority, got: ' + c);
  9474. }
  9475. break;
  9476. case 'authority':
  9477. if (c === '@') {
  9478. if (seenAt) {
  9479. err('@ already seen.');
  9480. buffer += '%40';
  9481. }
  9482. seenAt = true;
  9483. for (var i = 0; i < buffer.length; i++) {
  9484. var cp = buffer[i];
  9485. if (cp === '\t' || cp === '\n' || cp === '\r') {
  9486. err('Invalid whitespace in authority.');
  9487. continue;
  9488. }
  9489. if (cp === ':' && this._password === null) {
  9490. this._password = '';
  9491. continue;
  9492. }
  9493. var tempC = percentEscape(cp);
  9494. if (null !== this._password) {
  9495. this._password += tempC;
  9496. } else {
  9497. this._username += tempC;
  9498. }
  9499. }
  9500. buffer = '';
  9501. } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
  9502. cursor -= buffer.length;
  9503. buffer = '';
  9504. state = 'host';
  9505. continue;
  9506. } else {
  9507. buffer += c;
  9508. }
  9509. break;
  9510. case 'file host':
  9511. if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
  9512. if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
  9513. state = 'relative path';
  9514. } else if (buffer.length === 0) {
  9515. state = 'relative path start';
  9516. } else {
  9517. this._host = IDNAToASCII.call(this, buffer);
  9518. buffer = '';
  9519. state = 'relative path start';
  9520. }
  9521. continue;
  9522. } else if (c === '\t' || c === '\n' || c === '\r') {
  9523. err('Invalid whitespace in file host.');
  9524. } else {
  9525. buffer += c;
  9526. }
  9527. break;
  9528. case 'host':
  9529. case 'hostname':
  9530. if (c === ':' && !seenBracket) {
  9531. this._host = IDNAToASCII.call(this, buffer);
  9532. buffer = '';
  9533. state = 'port';
  9534. if (stateOverride === 'hostname') {
  9535. break loop;
  9536. }
  9537. } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
  9538. this._host = IDNAToASCII.call(this, buffer);
  9539. buffer = '';
  9540. state = 'relative path start';
  9541. if (stateOverride) {
  9542. break loop;
  9543. }
  9544. continue;
  9545. } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
  9546. if (c === '[') {
  9547. seenBracket = true;
  9548. } else if (c === ']') {
  9549. seenBracket = false;
  9550. }
  9551. buffer += c;
  9552. } else {
  9553. err('Invalid code point in host/hostname: ' + c);
  9554. }
  9555. break;
  9556. case 'port':
  9557. if (/[0-9]/.test(c)) {
  9558. buffer += c;
  9559. } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) {
  9560. if ('' !== buffer) {
  9561. var temp = parseInt(buffer, 10);
  9562. if (temp !== relative[this._scheme]) {
  9563. this._port = temp + '';
  9564. }
  9565. buffer = '';
  9566. }
  9567. if (stateOverride) {
  9568. break loop;
  9569. }
  9570. state = 'relative path start';
  9571. continue;
  9572. } else if (c === '\t' || c === '\n' || c === '\r') {
  9573. err('Invalid code point in port: ' + c);
  9574. } else {
  9575. invalid.call(this);
  9576. }
  9577. break;
  9578. case 'relative path start':
  9579. if (c === '\\') {
  9580. err('\'\\\' not allowed in path.');
  9581. }
  9582. state = 'relative path';
  9583. if ('/' !== c && '\\' !== c) {
  9584. continue;
  9585. }
  9586. break;
  9587. case 'relative path':
  9588. if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) {
  9589. if (c === '\\') {
  9590. err('\\ not allowed in relative path.');
  9591. }
  9592. var tmp;
  9593. if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
  9594. buffer = tmp;
  9595. }
  9596. if (buffer === '..') {
  9597. this._path.pop();
  9598. if ('/' !== c && '\\' !== c) {
  9599. this._path.push('');
  9600. }
  9601. } else if (buffer === '.' && '/' !== c && '\\' !== c) {
  9602. this._path.push('');
  9603. } else if ('.' !== buffer) {
  9604. if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
  9605. buffer = buffer[0] + ':';
  9606. }
  9607. this._path.push(buffer);
  9608. }
  9609. buffer = '';
  9610. if (c === '?') {
  9611. this._query = '?';
  9612. state = 'query';
  9613. } else if (c === '#') {
  9614. this._fragment = '#';
  9615. state = 'fragment';
  9616. }
  9617. } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
  9618. buffer += percentEscape(c);
  9619. }
  9620. break;
  9621. case 'query':
  9622. if (!stateOverride && c === '#') {
  9623. this._fragment = '#';
  9624. state = 'fragment';
  9625. } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
  9626. this._query += percentEscapeQuery(c);
  9627. }
  9628. break;
  9629. case 'fragment':
  9630. if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
  9631. this._fragment += c;
  9632. }
  9633. break;
  9634. }
  9635. cursor++;
  9636. }
  9637. }
  9638. function clear() {
  9639. this._scheme = '';
  9640. this._schemeData = '';
  9641. this._username = '';
  9642. this._password = null;
  9643. this._host = '';
  9644. this._port = '';
  9645. this._path = [];
  9646. this._query = '';
  9647. this._fragment = '';
  9648. this._isInvalid = false;
  9649. this._isRelative = false;
  9650. }
  9651. function JURL(url, base) {
  9652. if (base !== undefined && !(base instanceof JURL)) {
  9653. base = new JURL(String(base));
  9654. }
  9655. this._url = url;
  9656. clear.call(this);
  9657. var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
  9658. parse.call(this, input, null, base);
  9659. }
  9660. JURL.prototype = {
  9661. toString: function () {
  9662. return this.href;
  9663. },
  9664. get href() {
  9665. if (this._isInvalid) {
  9666. return this._url;
  9667. }
  9668. var authority = '';
  9669. if ('' !== this._username || null !== this._password) {
  9670. authority = this._username + (null !== this._password ? ':' + this._password : '') + '@';
  9671. }
  9672. return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
  9673. },
  9674. set href(href) {
  9675. clear.call(this);
  9676. parse.call(this, href);
  9677. },
  9678. get protocol() {
  9679. return this._scheme + ':';
  9680. },
  9681. set protocol(protocol) {
  9682. if (this._isInvalid) {
  9683. return;
  9684. }
  9685. parse.call(this, protocol + ':', 'scheme start');
  9686. },
  9687. get host() {
  9688. return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
  9689. },
  9690. set host(host) {
  9691. if (this._isInvalid || !this._isRelative) {
  9692. return;
  9693. }
  9694. parse.call(this, host, 'host');
  9695. },
  9696. get hostname() {
  9697. return this._host;
  9698. },
  9699. set hostname(hostname) {
  9700. if (this._isInvalid || !this._isRelative) {
  9701. return;
  9702. }
  9703. parse.call(this, hostname, 'hostname');
  9704. },
  9705. get port() {
  9706. return this._port;
  9707. },
  9708. set port(port) {
  9709. if (this._isInvalid || !this._isRelative) {
  9710. return;
  9711. }
  9712. parse.call(this, port, 'port');
  9713. },
  9714. get pathname() {
  9715. return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
  9716. },
  9717. set pathname(pathname) {
  9718. if (this._isInvalid || !this._isRelative) {
  9719. return;
  9720. }
  9721. this._path = [];
  9722. parse.call(this, pathname, 'relative path start');
  9723. },
  9724. get search() {
  9725. return this._isInvalid || !this._query || this._query === '?' ? '' : this._query;
  9726. },
  9727. set search(search) {
  9728. if (this._isInvalid || !this._isRelative) {
  9729. return;
  9730. }
  9731. this._query = '?';
  9732. if (search[0] === '?') {
  9733. search = search.slice(1);
  9734. }
  9735. parse.call(this, search, 'query');
  9736. },
  9737. get hash() {
  9738. return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment;
  9739. },
  9740. set hash(hash) {
  9741. if (this._isInvalid) {
  9742. return;
  9743. }
  9744. this._fragment = '#';
  9745. if (hash[0] === '#') {
  9746. hash = hash.slice(1);
  9747. }
  9748. parse.call(this, hash, 'fragment');
  9749. },
  9750. get origin() {
  9751. var host;
  9752. if (this._isInvalid || !this._scheme) {
  9753. return '';
  9754. }
  9755. switch (this._scheme) {
  9756. case 'data':
  9757. case 'file':
  9758. case 'javascript':
  9759. case 'mailto':
  9760. return 'null';
  9761. }
  9762. host = this.host;
  9763. if (!host) {
  9764. return '';
  9765. }
  9766. return this._scheme + '://' + host;
  9767. }
  9768. };
  9769. var OriginalURL = globalScope.URL;
  9770. if (OriginalURL) {
  9771. JURL.createObjectURL = function (blob) {
  9772. return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
  9773. };
  9774. JURL.revokeObjectURL = function (url) {
  9775. OriginalURL.revokeObjectURL(url);
  9776. };
  9777. }
  9778. globalScope.URL = JURL;
  9779. }());
  9780. }
  9781. /* WEBPACK VAR INJECTION */}.call(exports, __w_pdfjs_require__(6)))
  9782. /***/ }),
  9783. /* 14 */
  9784. /***/ (function(module, exports, __w_pdfjs_require__) {
  9785. "use strict";
  9786. var pdfjsVersion = '1.7.316';
  9787. var pdfjsBuild = '59392fd5';
  9788. var pdfjsSharedUtil = __w_pdfjs_require__(0);
  9789. var pdfjsDisplayGlobal = __w_pdfjs_require__(9);
  9790. var pdfjsDisplayAPI = __w_pdfjs_require__(3);
  9791. var pdfjsDisplayTextLayer = __w_pdfjs_require__(5);
  9792. var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(2);
  9793. var pdfjsDisplayDOMUtils = __w_pdfjs_require__(1);
  9794. var pdfjsDisplaySVG = __w_pdfjs_require__(4);
  9795. exports.PDFJS = pdfjsDisplayGlobal.PDFJS;
  9796. exports.build = pdfjsDisplayAPI.build;
  9797. exports.version = pdfjsDisplayAPI.version;
  9798. exports.getDocument = pdfjsDisplayAPI.getDocument;
  9799. exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
  9800. exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
  9801. exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
  9802. exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
  9803. exports.CustomStyle = pdfjsDisplayDOMUtils.CustomStyle;
  9804. exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
  9805. exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
  9806. exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
  9807. exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
  9808. exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
  9809. exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException;
  9810. exports.OPS = pdfjsSharedUtil.OPS;
  9811. exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
  9812. exports.isValidUrl = pdfjsDisplayDOMUtils.isValidUrl;
  9813. exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
  9814. exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
  9815. exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
  9816. exports.shadow = pdfjsSharedUtil.shadow;
  9817. exports.createBlob = pdfjsSharedUtil.createBlob;
  9818. exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
  9819. exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
  9820. /***/ })
  9821. /******/ ]);
  9822. });