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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 = 13);
  76. /******/ })
  77. /************************************************************************/
  78. /******/ ([
  79. /* 0 */
  80. /***/ (function(module, exports, __w_pdfjs_require__) {
  81. "use strict";
  82. /* WEBPACK VAR INJECTION */(function(global) {
  83. var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this;
  84. var FONT_IDENTITY_MATRIX = [
  85. 0.001,
  86. 0,
  87. 0,
  88. 0.001,
  89. 0,
  90. 0
  91. ];
  92. var TextRenderingMode = {
  93. FILL: 0,
  94. STROKE: 1,
  95. FILL_STROKE: 2,
  96. INVISIBLE: 3,
  97. FILL_ADD_TO_PATH: 4,
  98. STROKE_ADD_TO_PATH: 5,
  99. FILL_STROKE_ADD_TO_PATH: 6,
  100. ADD_TO_PATH: 7,
  101. FILL_STROKE_MASK: 3,
  102. ADD_TO_PATH_FLAG: 4
  103. };
  104. var ImageKind = {
  105. GRAYSCALE_1BPP: 1,
  106. RGB_24BPP: 2,
  107. RGBA_32BPP: 3
  108. };
  109. var AnnotationType = {
  110. TEXT: 1,
  111. LINK: 2,
  112. FREETEXT: 3,
  113. LINE: 4,
  114. SQUARE: 5,
  115. CIRCLE: 6,
  116. POLYGON: 7,
  117. POLYLINE: 8,
  118. HIGHLIGHT: 9,
  119. UNDERLINE: 10,
  120. SQUIGGLY: 11,
  121. STRIKEOUT: 12,
  122. STAMP: 13,
  123. CARET: 14,
  124. INK: 15,
  125. POPUP: 16,
  126. FILEATTACHMENT: 17,
  127. SOUND: 18,
  128. MOVIE: 19,
  129. WIDGET: 20,
  130. SCREEN: 21,
  131. PRINTERMARK: 22,
  132. TRAPNET: 23,
  133. WATERMARK: 24,
  134. THREED: 25,
  135. REDACT: 26
  136. };
  137. var AnnotationFlag = {
  138. INVISIBLE: 0x01,
  139. HIDDEN: 0x02,
  140. PRINT: 0x04,
  141. NOZOOM: 0x08,
  142. NOROTATE: 0x10,
  143. NOVIEW: 0x20,
  144. READONLY: 0x40,
  145. LOCKED: 0x80,
  146. TOGGLENOVIEW: 0x100,
  147. LOCKEDCONTENTS: 0x200
  148. };
  149. var AnnotationFieldFlag = {
  150. READONLY: 0x0000001,
  151. REQUIRED: 0x0000002,
  152. NOEXPORT: 0x0000004,
  153. MULTILINE: 0x0001000,
  154. PASSWORD: 0x0002000,
  155. NOTOGGLETOOFF: 0x0004000,
  156. RADIO: 0x0008000,
  157. PUSHBUTTON: 0x0010000,
  158. COMBO: 0x0020000,
  159. EDIT: 0x0040000,
  160. SORT: 0x0080000,
  161. FILESELECT: 0x0100000,
  162. MULTISELECT: 0x0200000,
  163. DONOTSPELLCHECK: 0x0400000,
  164. DONOTSCROLL: 0x0800000,
  165. COMB: 0x1000000,
  166. RICHTEXT: 0x2000000,
  167. RADIOSINUNISON: 0x2000000,
  168. COMMITONSELCHANGE: 0x4000000
  169. };
  170. var AnnotationBorderStyleType = {
  171. SOLID: 1,
  172. DASHED: 2,
  173. BEVELED: 3,
  174. INSET: 4,
  175. UNDERLINE: 5
  176. };
  177. var StreamType = {
  178. UNKNOWN: 0,
  179. FLATE: 1,
  180. LZW: 2,
  181. DCT: 3,
  182. JPX: 4,
  183. JBIG: 5,
  184. A85: 6,
  185. AHX: 7,
  186. CCF: 8,
  187. RL: 9
  188. };
  189. var FontType = {
  190. UNKNOWN: 0,
  191. TYPE1: 1,
  192. TYPE1C: 2,
  193. CIDFONTTYPE0: 3,
  194. CIDFONTTYPE0C: 4,
  195. TRUETYPE: 5,
  196. CIDFONTTYPE2: 6,
  197. TYPE3: 7,
  198. OPENTYPE: 8,
  199. TYPE0: 9,
  200. MMTYPE1: 10
  201. };
  202. var VERBOSITY_LEVELS = {
  203. errors: 0,
  204. warnings: 1,
  205. infos: 5
  206. };
  207. var OPS = {
  208. dependency: 1,
  209. setLineWidth: 2,
  210. setLineCap: 3,
  211. setLineJoin: 4,
  212. setMiterLimit: 5,
  213. setDash: 6,
  214. setRenderingIntent: 7,
  215. setFlatness: 8,
  216. setGState: 9,
  217. save: 10,
  218. restore: 11,
  219. transform: 12,
  220. moveTo: 13,
  221. lineTo: 14,
  222. curveTo: 15,
  223. curveTo2: 16,
  224. curveTo3: 17,
  225. closePath: 18,
  226. rectangle: 19,
  227. stroke: 20,
  228. closeStroke: 21,
  229. fill: 22,
  230. eoFill: 23,
  231. fillStroke: 24,
  232. eoFillStroke: 25,
  233. closeFillStroke: 26,
  234. closeEOFillStroke: 27,
  235. endPath: 28,
  236. clip: 29,
  237. eoClip: 30,
  238. beginText: 31,
  239. endText: 32,
  240. setCharSpacing: 33,
  241. setWordSpacing: 34,
  242. setHScale: 35,
  243. setLeading: 36,
  244. setFont: 37,
  245. setTextRenderingMode: 38,
  246. setTextRise: 39,
  247. moveText: 40,
  248. setLeadingMoveText: 41,
  249. setTextMatrix: 42,
  250. nextLine: 43,
  251. showText: 44,
  252. showSpacedText: 45,
  253. nextLineShowText: 46,
  254. nextLineSetSpacingShowText: 47,
  255. setCharWidth: 48,
  256. setCharWidthAndBounds: 49,
  257. setStrokeColorSpace: 50,
  258. setFillColorSpace: 51,
  259. setStrokeColor: 52,
  260. setStrokeColorN: 53,
  261. setFillColor: 54,
  262. setFillColorN: 55,
  263. setStrokeGray: 56,
  264. setFillGray: 57,
  265. setStrokeRGBColor: 58,
  266. setFillRGBColor: 59,
  267. setStrokeCMYKColor: 60,
  268. setFillCMYKColor: 61,
  269. shadingFill: 62,
  270. beginInlineImage: 63,
  271. beginImageData: 64,
  272. endInlineImage: 65,
  273. paintXObject: 66,
  274. markPoint: 67,
  275. markPointProps: 68,
  276. beginMarkedContent: 69,
  277. beginMarkedContentProps: 70,
  278. endMarkedContent: 71,
  279. beginCompat: 72,
  280. endCompat: 73,
  281. paintFormXObjectBegin: 74,
  282. paintFormXObjectEnd: 75,
  283. beginGroup: 76,
  284. endGroup: 77,
  285. beginAnnotations: 78,
  286. endAnnotations: 79,
  287. beginAnnotation: 80,
  288. endAnnotation: 81,
  289. paintJpegXObject: 82,
  290. paintImageMaskXObject: 83,
  291. paintImageMaskXObjectGroup: 84,
  292. paintImageXObject: 85,
  293. paintInlineImageXObject: 86,
  294. paintInlineImageXObjectGroup: 87,
  295. paintImageXObjectRepeat: 88,
  296. paintImageMaskXObjectRepeat: 89,
  297. paintSolidColorImageMask: 90,
  298. constructPath: 91
  299. };
  300. var verbosity = VERBOSITY_LEVELS.warnings;
  301. function setVerbosityLevel(level) {
  302. verbosity = level;
  303. }
  304. function getVerbosityLevel() {
  305. return verbosity;
  306. }
  307. function info(msg) {
  308. if (verbosity >= VERBOSITY_LEVELS.infos) {
  309. console.log('Info: ' + msg);
  310. }
  311. }
  312. function warn(msg) {
  313. if (verbosity >= VERBOSITY_LEVELS.warnings) {
  314. console.log('Warning: ' + msg);
  315. }
  316. }
  317. function deprecated(details) {
  318. console.log('Deprecated API usage: ' + details);
  319. }
  320. function error(msg) {
  321. if (verbosity >= VERBOSITY_LEVELS.errors) {
  322. console.log('Error: ' + msg);
  323. console.log(backtrace());
  324. }
  325. throw new Error(msg);
  326. }
  327. function backtrace() {
  328. try {
  329. throw new Error();
  330. } catch (e) {
  331. return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
  332. }
  333. }
  334. function assert(cond, msg) {
  335. if (!cond) {
  336. error(msg);
  337. }
  338. }
  339. var UNSUPPORTED_FEATURES = {
  340. unknown: 'unknown',
  341. forms: 'forms',
  342. javaScript: 'javaScript',
  343. smask: 'smask',
  344. shadingPattern: 'shadingPattern',
  345. font: 'font'
  346. };
  347. function isSameOrigin(baseUrl, otherUrl) {
  348. try {
  349. var base = new URL(baseUrl);
  350. if (!base.origin || base.origin === 'null') {
  351. return false;
  352. }
  353. } catch (e) {
  354. return false;
  355. }
  356. var other = new URL(otherUrl, base);
  357. return base.origin === other.origin;
  358. }
  359. function isValidProtocol(url) {
  360. if (!url) {
  361. return false;
  362. }
  363. switch (url.protocol) {
  364. case 'http:':
  365. case 'https:':
  366. case 'ftp:':
  367. case 'mailto:':
  368. case 'tel:':
  369. return true;
  370. default:
  371. return false;
  372. }
  373. }
  374. function createValidAbsoluteUrl(url, baseUrl) {
  375. if (!url) {
  376. return null;
  377. }
  378. try {
  379. var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
  380. if (isValidProtocol(absoluteUrl)) {
  381. return absoluteUrl;
  382. }
  383. } catch (ex) {
  384. }
  385. return null;
  386. }
  387. function shadow(obj, prop, value) {
  388. Object.defineProperty(obj, prop, {
  389. value: value,
  390. enumerable: true,
  391. configurable: true,
  392. writable: false
  393. });
  394. return value;
  395. }
  396. function getLookupTableFactory(initializer) {
  397. var lookup;
  398. return function () {
  399. if (initializer) {
  400. lookup = Object.create(null);
  401. initializer(lookup);
  402. initializer = null;
  403. }
  404. return lookup;
  405. };
  406. }
  407. var PasswordResponses = {
  408. NEED_PASSWORD: 1,
  409. INCORRECT_PASSWORD: 2
  410. };
  411. var PasswordException = function PasswordExceptionClosure() {
  412. function PasswordException(msg, code) {
  413. this.name = 'PasswordException';
  414. this.message = msg;
  415. this.code = code;
  416. }
  417. PasswordException.prototype = new Error();
  418. PasswordException.constructor = PasswordException;
  419. return PasswordException;
  420. }();
  421. var UnknownErrorException = function UnknownErrorExceptionClosure() {
  422. function UnknownErrorException(msg, details) {
  423. this.name = 'UnknownErrorException';
  424. this.message = msg;
  425. this.details = details;
  426. }
  427. UnknownErrorException.prototype = new Error();
  428. UnknownErrorException.constructor = UnknownErrorException;
  429. return UnknownErrorException;
  430. }();
  431. var InvalidPDFException = function InvalidPDFExceptionClosure() {
  432. function InvalidPDFException(msg) {
  433. this.name = 'InvalidPDFException';
  434. this.message = msg;
  435. }
  436. InvalidPDFException.prototype = new Error();
  437. InvalidPDFException.constructor = InvalidPDFException;
  438. return InvalidPDFException;
  439. }();
  440. var MissingPDFException = function MissingPDFExceptionClosure() {
  441. function MissingPDFException(msg) {
  442. this.name = 'MissingPDFException';
  443. this.message = msg;
  444. }
  445. MissingPDFException.prototype = new Error();
  446. MissingPDFException.constructor = MissingPDFException;
  447. return MissingPDFException;
  448. }();
  449. var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
  450. function UnexpectedResponseException(msg, status) {
  451. this.name = 'UnexpectedResponseException';
  452. this.message = msg;
  453. this.status = status;
  454. }
  455. UnexpectedResponseException.prototype = new Error();
  456. UnexpectedResponseException.constructor = UnexpectedResponseException;
  457. return UnexpectedResponseException;
  458. }();
  459. var NotImplementedException = function NotImplementedExceptionClosure() {
  460. function NotImplementedException(msg) {
  461. this.message = msg;
  462. }
  463. NotImplementedException.prototype = new Error();
  464. NotImplementedException.prototype.name = 'NotImplementedException';
  465. NotImplementedException.constructor = NotImplementedException;
  466. return NotImplementedException;
  467. }();
  468. var MissingDataException = function MissingDataExceptionClosure() {
  469. function MissingDataException(begin, end) {
  470. this.begin = begin;
  471. this.end = end;
  472. this.message = 'Missing data [' + begin + ', ' + end + ')';
  473. }
  474. MissingDataException.prototype = new Error();
  475. MissingDataException.prototype.name = 'MissingDataException';
  476. MissingDataException.constructor = MissingDataException;
  477. return MissingDataException;
  478. }();
  479. var XRefParseException = function XRefParseExceptionClosure() {
  480. function XRefParseException(msg) {
  481. this.message = msg;
  482. }
  483. XRefParseException.prototype = new Error();
  484. XRefParseException.prototype.name = 'XRefParseException';
  485. XRefParseException.constructor = XRefParseException;
  486. return XRefParseException;
  487. }();
  488. var NullCharactersRegExp = /\x00/g;
  489. function removeNullCharacters(str) {
  490. if (typeof str !== 'string') {
  491. warn('The argument for removeNullCharacters must be a string.');
  492. return str;
  493. }
  494. return str.replace(NullCharactersRegExp, '');
  495. }
  496. function bytesToString(bytes) {
  497. assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
  498. var length = bytes.length;
  499. var MAX_ARGUMENT_COUNT = 8192;
  500. if (length < MAX_ARGUMENT_COUNT) {
  501. return String.fromCharCode.apply(null, bytes);
  502. }
  503. var strBuf = [];
  504. for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
  505. var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
  506. var chunk = bytes.subarray(i, chunkEnd);
  507. strBuf.push(String.fromCharCode.apply(null, chunk));
  508. }
  509. return strBuf.join('');
  510. }
  511. function stringToBytes(str) {
  512. assert(typeof str === 'string', 'Invalid argument for stringToBytes');
  513. var length = str.length;
  514. var bytes = new Uint8Array(length);
  515. for (var i = 0; i < length; ++i) {
  516. bytes[i] = str.charCodeAt(i) & 0xFF;
  517. }
  518. return bytes;
  519. }
  520. function arrayByteLength(arr) {
  521. if (arr.length !== undefined) {
  522. return arr.length;
  523. }
  524. assert(arr.byteLength !== undefined);
  525. return arr.byteLength;
  526. }
  527. function arraysToBytes(arr) {
  528. if (arr.length === 1 && arr[0] instanceof Uint8Array) {
  529. return arr[0];
  530. }
  531. var resultLength = 0;
  532. var i, ii = arr.length;
  533. var item, itemLength;
  534. for (i = 0; i < ii; i++) {
  535. item = arr[i];
  536. itemLength = arrayByteLength(item);
  537. resultLength += itemLength;
  538. }
  539. var pos = 0;
  540. var data = new Uint8Array(resultLength);
  541. for (i = 0; i < ii; i++) {
  542. item = arr[i];
  543. if (!(item instanceof Uint8Array)) {
  544. if (typeof item === 'string') {
  545. item = stringToBytes(item);
  546. } else {
  547. item = new Uint8Array(item);
  548. }
  549. }
  550. itemLength = item.byteLength;
  551. data.set(item, pos);
  552. pos += itemLength;
  553. }
  554. return data;
  555. }
  556. function string32(value) {
  557. return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
  558. }
  559. function log2(x) {
  560. var n = 1, i = 0;
  561. while (x > n) {
  562. n <<= 1;
  563. i++;
  564. }
  565. return i;
  566. }
  567. function readInt8(data, start) {
  568. return data[start] << 24 >> 24;
  569. }
  570. function readUint16(data, offset) {
  571. return data[offset] << 8 | data[offset + 1];
  572. }
  573. function readUint32(data, offset) {
  574. return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
  575. }
  576. function isLittleEndian() {
  577. var buffer8 = new Uint8Array(2);
  578. buffer8[0] = 1;
  579. var buffer16 = new Uint16Array(buffer8.buffer);
  580. return buffer16[0] === 1;
  581. }
  582. function isEvalSupported() {
  583. try {
  584. new Function('');
  585. return true;
  586. } catch (e) {
  587. return false;
  588. }
  589. }
  590. var Uint32ArrayView = function Uint32ArrayViewClosure() {
  591. function Uint32ArrayView(buffer, length) {
  592. this.buffer = buffer;
  593. this.byteLength = buffer.length;
  594. this.length = length === undefined ? this.byteLength >> 2 : length;
  595. ensureUint32ArrayViewProps(this.length);
  596. }
  597. Uint32ArrayView.prototype = Object.create(null);
  598. var uint32ArrayViewSetters = 0;
  599. function createUint32ArrayProp(index) {
  600. return {
  601. get: function () {
  602. var buffer = this.buffer, offset = index << 2;
  603. return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
  604. },
  605. set: function (value) {
  606. var buffer = this.buffer, offset = index << 2;
  607. buffer[offset] = value & 255;
  608. buffer[offset + 1] = value >> 8 & 255;
  609. buffer[offset + 2] = value >> 16 & 255;
  610. buffer[offset + 3] = value >>> 24 & 255;
  611. }
  612. };
  613. }
  614. function ensureUint32ArrayViewProps(length) {
  615. while (uint32ArrayViewSetters < length) {
  616. Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
  617. uint32ArrayViewSetters++;
  618. }
  619. }
  620. return Uint32ArrayView;
  621. }();
  622. exports.Uint32ArrayView = Uint32ArrayView;
  623. var IDENTITY_MATRIX = [
  624. 1,
  625. 0,
  626. 0,
  627. 1,
  628. 0,
  629. 0
  630. ];
  631. var Util = function UtilClosure() {
  632. function Util() {
  633. }
  634. var rgbBuf = [
  635. 'rgb(',
  636. 0,
  637. ',',
  638. 0,
  639. ',',
  640. 0,
  641. ')'
  642. ];
  643. Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
  644. rgbBuf[1] = r;
  645. rgbBuf[3] = g;
  646. rgbBuf[5] = b;
  647. return rgbBuf.join('');
  648. };
  649. Util.transform = function Util_transform(m1, m2) {
  650. return [
  651. m1[0] * m2[0] + m1[2] * m2[1],
  652. m1[1] * m2[0] + m1[3] * m2[1],
  653. m1[0] * m2[2] + m1[2] * m2[3],
  654. m1[1] * m2[2] + m1[3] * m2[3],
  655. m1[0] * m2[4] + m1[2] * m2[5] + m1[4],
  656. m1[1] * m2[4] + m1[3] * m2[5] + m1[5]
  657. ];
  658. };
  659. Util.applyTransform = function Util_applyTransform(p, m) {
  660. var xt = p[0] * m[0] + p[1] * m[2] + m[4];
  661. var yt = p[0] * m[1] + p[1] * m[3] + m[5];
  662. return [
  663. xt,
  664. yt
  665. ];
  666. };
  667. Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
  668. var d = m[0] * m[3] - m[1] * m[2];
  669. var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
  670. var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
  671. return [
  672. xt,
  673. yt
  674. ];
  675. };
  676. Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
  677. var p1 = Util.applyTransform(r, m);
  678. var p2 = Util.applyTransform(r.slice(2, 4), m);
  679. var p3 = Util.applyTransform([
  680. r[0],
  681. r[3]
  682. ], m);
  683. var p4 = Util.applyTransform([
  684. r[2],
  685. r[1]
  686. ], m);
  687. return [
  688. Math.min(p1[0], p2[0], p3[0], p4[0]),
  689. Math.min(p1[1], p2[1], p3[1], p4[1]),
  690. Math.max(p1[0], p2[0], p3[0], p4[0]),
  691. Math.max(p1[1], p2[1], p3[1], p4[1])
  692. ];
  693. };
  694. Util.inverseTransform = function Util_inverseTransform(m) {
  695. var d = m[0] * m[3] - m[1] * m[2];
  696. return [
  697. m[3] / d,
  698. -m[1] / d,
  699. -m[2] / d,
  700. m[0] / d,
  701. (m[2] * m[5] - m[4] * m[3]) / d,
  702. (m[4] * m[1] - m[5] * m[0]) / d
  703. ];
  704. };
  705. Util.apply3dTransform = function Util_apply3dTransform(m, v) {
  706. return [
  707. m[0] * v[0] + m[1] * v[1] + m[2] * v[2],
  708. m[3] * v[0] + m[4] * v[1] + m[5] * v[2],
  709. m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
  710. ];
  711. };
  712. Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
  713. var transpose = [
  714. m[0],
  715. m[2],
  716. m[1],
  717. m[3]
  718. ];
  719. var a = m[0] * transpose[0] + m[1] * transpose[2];
  720. var b = m[0] * transpose[1] + m[1] * transpose[3];
  721. var c = m[2] * transpose[0] + m[3] * transpose[2];
  722. var d = m[2] * transpose[1] + m[3] * transpose[3];
  723. var first = (a + d) / 2;
  724. var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
  725. var sx = first + second || 1;
  726. var sy = first - second || 1;
  727. return [
  728. Math.sqrt(sx),
  729. Math.sqrt(sy)
  730. ];
  731. };
  732. Util.normalizeRect = function Util_normalizeRect(rect) {
  733. var r = rect.slice(0);
  734. if (rect[0] > rect[2]) {
  735. r[0] = rect[2];
  736. r[2] = rect[0];
  737. }
  738. if (rect[1] > rect[3]) {
  739. r[1] = rect[3];
  740. r[3] = rect[1];
  741. }
  742. return r;
  743. };
  744. Util.intersect = function Util_intersect(rect1, rect2) {
  745. function compare(a, b) {
  746. return a - b;
  747. }
  748. var orderedX = [
  749. rect1[0],
  750. rect1[2],
  751. rect2[0],
  752. rect2[2]
  753. ].sort(compare), orderedY = [
  754. rect1[1],
  755. rect1[3],
  756. rect2[1],
  757. rect2[3]
  758. ].sort(compare), result = [];
  759. rect1 = Util.normalizeRect(rect1);
  760. rect2 = Util.normalizeRect(rect2);
  761. if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
  762. result[0] = orderedX[1];
  763. result[2] = orderedX[2];
  764. } else {
  765. return false;
  766. }
  767. if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
  768. result[1] = orderedY[1];
  769. result[3] = orderedY[2];
  770. } else {
  771. return false;
  772. }
  773. return result;
  774. };
  775. Util.sign = function Util_sign(num) {
  776. return num < 0 ? -1 : 1;
  777. };
  778. var ROMAN_NUMBER_MAP = [
  779. '',
  780. 'C',
  781. 'CC',
  782. 'CCC',
  783. 'CD',
  784. 'D',
  785. 'DC',
  786. 'DCC',
  787. 'DCCC',
  788. 'CM',
  789. '',
  790. 'X',
  791. 'XX',
  792. 'XXX',
  793. 'XL',
  794. 'L',
  795. 'LX',
  796. 'LXX',
  797. 'LXXX',
  798. 'XC',
  799. '',
  800. 'I',
  801. 'II',
  802. 'III',
  803. 'IV',
  804. 'V',
  805. 'VI',
  806. 'VII',
  807. 'VIII',
  808. 'IX'
  809. ];
  810. Util.toRoman = function Util_toRoman(number, lowerCase) {
  811. assert(isInt(number) && number > 0, 'The number should be a positive integer.');
  812. var pos, romanBuf = [];
  813. while (number >= 1000) {
  814. number -= 1000;
  815. romanBuf.push('M');
  816. }
  817. pos = number / 100 | 0;
  818. number %= 100;
  819. romanBuf.push(ROMAN_NUMBER_MAP[pos]);
  820. pos = number / 10 | 0;
  821. number %= 10;
  822. romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
  823. romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
  824. var romanStr = romanBuf.join('');
  825. return lowerCase ? romanStr.toLowerCase() : romanStr;
  826. };
  827. Util.appendToArray = function Util_appendToArray(arr1, arr2) {
  828. Array.prototype.push.apply(arr1, arr2);
  829. };
  830. Util.prependToArray = function Util_prependToArray(arr1, arr2) {
  831. Array.prototype.unshift.apply(arr1, arr2);
  832. };
  833. Util.extendObj = function extendObj(obj1, obj2) {
  834. for (var key in obj2) {
  835. obj1[key] = obj2[key];
  836. }
  837. };
  838. Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) {
  839. while (dict && !dict.has(name)) {
  840. dict = dict.get('Parent');
  841. }
  842. if (!dict) {
  843. return null;
  844. }
  845. return getArray ? dict.getArray(name) : dict.get(name);
  846. };
  847. Util.inherit = function Util_inherit(sub, base, prototype) {
  848. sub.prototype = Object.create(base.prototype);
  849. sub.prototype.constructor = sub;
  850. for (var prop in prototype) {
  851. sub.prototype[prop] = prototype[prop];
  852. }
  853. };
  854. Util.loadScript = function Util_loadScript(src, callback) {
  855. var script = document.createElement('script');
  856. var loaded = false;
  857. script.setAttribute('src', src);
  858. if (callback) {
  859. script.onload = function () {
  860. if (!loaded) {
  861. callback();
  862. }
  863. loaded = true;
  864. };
  865. }
  866. document.getElementsByTagName('head')[0].appendChild(script);
  867. };
  868. return Util;
  869. }();
  870. var PageViewport = function PageViewportClosure() {
  871. function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
  872. this.viewBox = viewBox;
  873. this.scale = scale;
  874. this.rotation = rotation;
  875. this.offsetX = offsetX;
  876. this.offsetY = offsetY;
  877. var centerX = (viewBox[2] + viewBox[0]) / 2;
  878. var centerY = (viewBox[3] + viewBox[1]) / 2;
  879. var rotateA, rotateB, rotateC, rotateD;
  880. rotation = rotation % 360;
  881. rotation = rotation < 0 ? rotation + 360 : rotation;
  882. switch (rotation) {
  883. case 180:
  884. rotateA = -1;
  885. rotateB = 0;
  886. rotateC = 0;
  887. rotateD = 1;
  888. break;
  889. case 90:
  890. rotateA = 0;
  891. rotateB = 1;
  892. rotateC = 1;
  893. rotateD = 0;
  894. break;
  895. case 270:
  896. rotateA = 0;
  897. rotateB = -1;
  898. rotateC = -1;
  899. rotateD = 0;
  900. break;
  901. default:
  902. rotateA = 1;
  903. rotateB = 0;
  904. rotateC = 0;
  905. rotateD = -1;
  906. break;
  907. }
  908. if (dontFlip) {
  909. rotateC = -rotateC;
  910. rotateD = -rotateD;
  911. }
  912. var offsetCanvasX, offsetCanvasY;
  913. var width, height;
  914. if (rotateA === 0) {
  915. offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
  916. offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
  917. width = Math.abs(viewBox[3] - viewBox[1]) * scale;
  918. height = Math.abs(viewBox[2] - viewBox[0]) * scale;
  919. } else {
  920. offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
  921. offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
  922. width = Math.abs(viewBox[2] - viewBox[0]) * scale;
  923. height = Math.abs(viewBox[3] - viewBox[1]) * scale;
  924. }
  925. this.transform = [
  926. rotateA * scale,
  927. rotateB * scale,
  928. rotateC * scale,
  929. rotateD * scale,
  930. offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
  931. offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
  932. ];
  933. this.width = width;
  934. this.height = height;
  935. this.fontScale = scale;
  936. }
  937. PageViewport.prototype = {
  938. clone: function PageViewPort_clone(args) {
  939. args = args || {};
  940. var scale = 'scale' in args ? args.scale : this.scale;
  941. var rotation = 'rotation' in args ? args.rotation : this.rotation;
  942. return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip);
  943. },
  944. convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
  945. return Util.applyTransform([
  946. x,
  947. y
  948. ], this.transform);
  949. },
  950. convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) {
  951. var tl = Util.applyTransform([
  952. rect[0],
  953. rect[1]
  954. ], this.transform);
  955. var br = Util.applyTransform([
  956. rect[2],
  957. rect[3]
  958. ], this.transform);
  959. return [
  960. tl[0],
  961. tl[1],
  962. br[0],
  963. br[1]
  964. ];
  965. },
  966. convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
  967. return Util.applyInverseTransform([
  968. x,
  969. y
  970. ], this.transform);
  971. }
  972. };
  973. return PageViewport;
  974. }();
  975. var PDFStringTranslateTable = [
  976. 0,
  977. 0,
  978. 0,
  979. 0,
  980. 0,
  981. 0,
  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. 0x2D8,
  1001. 0x2C7,
  1002. 0x2C6,
  1003. 0x2D9,
  1004. 0x2DD,
  1005. 0x2DB,
  1006. 0x2DA,
  1007. 0x2DC,
  1008. 0,
  1009. 0,
  1010. 0,
  1011. 0,
  1012. 0,
  1013. 0,
  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. 0x2022,
  1105. 0x2020,
  1106. 0x2021,
  1107. 0x2026,
  1108. 0x2014,
  1109. 0x2013,
  1110. 0x192,
  1111. 0x2044,
  1112. 0x2039,
  1113. 0x203A,
  1114. 0x2212,
  1115. 0x2030,
  1116. 0x201E,
  1117. 0x201C,
  1118. 0x201D,
  1119. 0x2018,
  1120. 0x2019,
  1121. 0x201A,
  1122. 0x2122,
  1123. 0xFB01,
  1124. 0xFB02,
  1125. 0x141,
  1126. 0x152,
  1127. 0x160,
  1128. 0x178,
  1129. 0x17D,
  1130. 0x131,
  1131. 0x142,
  1132. 0x153,
  1133. 0x161,
  1134. 0x17E,
  1135. 0,
  1136. 0x20AC
  1137. ];
  1138. function stringToPDFString(str) {
  1139. var i, n = str.length, strBuf = [];
  1140. if (str[0] === '\xFE' && str[1] === '\xFF') {
  1141. for (i = 2; i < n; i += 2) {
  1142. strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
  1143. }
  1144. } else {
  1145. for (i = 0; i < n; ++i) {
  1146. var code = PDFStringTranslateTable[str.charCodeAt(i)];
  1147. strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
  1148. }
  1149. }
  1150. return strBuf.join('');
  1151. }
  1152. function stringToUTF8String(str) {
  1153. return decodeURIComponent(escape(str));
  1154. }
  1155. function utf8StringToString(str) {
  1156. return unescape(encodeURIComponent(str));
  1157. }
  1158. function isEmptyObj(obj) {
  1159. for (var key in obj) {
  1160. return false;
  1161. }
  1162. return true;
  1163. }
  1164. function isBool(v) {
  1165. return typeof v === 'boolean';
  1166. }
  1167. function isInt(v) {
  1168. return typeof v === 'number' && (v | 0) === v;
  1169. }
  1170. function isNum(v) {
  1171. return typeof v === 'number';
  1172. }
  1173. function isString(v) {
  1174. return typeof v === 'string';
  1175. }
  1176. function isArray(v) {
  1177. return v instanceof Array;
  1178. }
  1179. function isArrayBuffer(v) {
  1180. return typeof v === 'object' && v !== null && v.byteLength !== undefined;
  1181. }
  1182. function isSpace(ch) {
  1183. return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
  1184. }
  1185. function createPromiseCapability() {
  1186. var capability = {};
  1187. capability.promise = new Promise(function (resolve, reject) {
  1188. capability.resolve = resolve;
  1189. capability.reject = reject;
  1190. });
  1191. return capability;
  1192. }
  1193. (function PromiseClosure() {
  1194. if (globalScope.Promise) {
  1195. if (typeof globalScope.Promise.all !== 'function') {
  1196. globalScope.Promise.all = function (iterable) {
  1197. var count = 0, results = [], resolve, reject;
  1198. var promise = new globalScope.Promise(function (resolve_, reject_) {
  1199. resolve = resolve_;
  1200. reject = reject_;
  1201. });
  1202. iterable.forEach(function (p, i) {
  1203. count++;
  1204. p.then(function (result) {
  1205. results[i] = result;
  1206. count--;
  1207. if (count === 0) {
  1208. resolve(results);
  1209. }
  1210. }, reject);
  1211. });
  1212. if (count === 0) {
  1213. resolve(results);
  1214. }
  1215. return promise;
  1216. };
  1217. }
  1218. if (typeof globalScope.Promise.resolve !== 'function') {
  1219. globalScope.Promise.resolve = function (value) {
  1220. return new globalScope.Promise(function (resolve) {
  1221. resolve(value);
  1222. });
  1223. };
  1224. }
  1225. if (typeof globalScope.Promise.reject !== 'function') {
  1226. globalScope.Promise.reject = function (reason) {
  1227. return new globalScope.Promise(function (resolve, reject) {
  1228. reject(reason);
  1229. });
  1230. };
  1231. }
  1232. if (typeof globalScope.Promise.prototype.catch !== 'function') {
  1233. globalScope.Promise.prototype.catch = function (onReject) {
  1234. return globalScope.Promise.prototype.then(undefined, onReject);
  1235. };
  1236. }
  1237. return;
  1238. }
  1239. var STATUS_PENDING = 0;
  1240. var STATUS_RESOLVED = 1;
  1241. var STATUS_REJECTED = 2;
  1242. var REJECTION_TIMEOUT = 500;
  1243. var HandlerManager = {
  1244. handlers: [],
  1245. running: false,
  1246. unhandledRejections: [],
  1247. pendingRejectionCheck: false,
  1248. scheduleHandlers: function scheduleHandlers(promise) {
  1249. if (promise._status === STATUS_PENDING) {
  1250. return;
  1251. }
  1252. this.handlers = this.handlers.concat(promise._handlers);
  1253. promise._handlers = [];
  1254. if (this.running) {
  1255. return;
  1256. }
  1257. this.running = true;
  1258. setTimeout(this.runHandlers.bind(this), 0);
  1259. },
  1260. runHandlers: function runHandlers() {
  1261. var RUN_TIMEOUT = 1;
  1262. var timeoutAt = Date.now() + RUN_TIMEOUT;
  1263. while (this.handlers.length > 0) {
  1264. var handler = this.handlers.shift();
  1265. var nextStatus = handler.thisPromise._status;
  1266. var nextValue = handler.thisPromise._value;
  1267. try {
  1268. if (nextStatus === STATUS_RESOLVED) {
  1269. if (typeof handler.onResolve === 'function') {
  1270. nextValue = handler.onResolve(nextValue);
  1271. }
  1272. } else if (typeof handler.onReject === 'function') {
  1273. nextValue = handler.onReject(nextValue);
  1274. nextStatus = STATUS_RESOLVED;
  1275. if (handler.thisPromise._unhandledRejection) {
  1276. this.removeUnhandeledRejection(handler.thisPromise);
  1277. }
  1278. }
  1279. } catch (ex) {
  1280. nextStatus = STATUS_REJECTED;
  1281. nextValue = ex;
  1282. }
  1283. handler.nextPromise._updateStatus(nextStatus, nextValue);
  1284. if (Date.now() >= timeoutAt) {
  1285. break;
  1286. }
  1287. }
  1288. if (this.handlers.length > 0) {
  1289. setTimeout(this.runHandlers.bind(this), 0);
  1290. return;
  1291. }
  1292. this.running = false;
  1293. },
  1294. addUnhandledRejection: function addUnhandledRejection(promise) {
  1295. this.unhandledRejections.push({
  1296. promise: promise,
  1297. time: Date.now()
  1298. });
  1299. this.scheduleRejectionCheck();
  1300. },
  1301. removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
  1302. promise._unhandledRejection = false;
  1303. for (var i = 0; i < this.unhandledRejections.length; i++) {
  1304. if (this.unhandledRejections[i].promise === promise) {
  1305. this.unhandledRejections.splice(i);
  1306. i--;
  1307. }
  1308. }
  1309. },
  1310. scheduleRejectionCheck: function scheduleRejectionCheck() {
  1311. if (this.pendingRejectionCheck) {
  1312. return;
  1313. }
  1314. this.pendingRejectionCheck = true;
  1315. setTimeout(function rejectionCheck() {
  1316. this.pendingRejectionCheck = false;
  1317. var now = Date.now();
  1318. for (var i = 0; i < this.unhandledRejections.length; i++) {
  1319. if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
  1320. var unhandled = this.unhandledRejections[i].promise._value;
  1321. var msg = 'Unhandled rejection: ' + unhandled;
  1322. if (unhandled.stack) {
  1323. msg += '\n' + unhandled.stack;
  1324. }
  1325. warn(msg);
  1326. this.unhandledRejections.splice(i);
  1327. i--;
  1328. }
  1329. }
  1330. if (this.unhandledRejections.length) {
  1331. this.scheduleRejectionCheck();
  1332. }
  1333. }.bind(this), REJECTION_TIMEOUT);
  1334. }
  1335. };
  1336. var Promise = function Promise(resolver) {
  1337. this._status = STATUS_PENDING;
  1338. this._handlers = [];
  1339. try {
  1340. resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
  1341. } catch (e) {
  1342. this._reject(e);
  1343. }
  1344. };
  1345. Promise.all = function Promise_all(promises) {
  1346. var resolveAll, rejectAll;
  1347. var deferred = new Promise(function (resolve, reject) {
  1348. resolveAll = resolve;
  1349. rejectAll = reject;
  1350. });
  1351. var unresolved = promises.length;
  1352. var results = [];
  1353. if (unresolved === 0) {
  1354. resolveAll(results);
  1355. return deferred;
  1356. }
  1357. function reject(reason) {
  1358. if (deferred._status === STATUS_REJECTED) {
  1359. return;
  1360. }
  1361. results = [];
  1362. rejectAll(reason);
  1363. }
  1364. for (var i = 0, ii = promises.length; i < ii; ++i) {
  1365. var promise = promises[i];
  1366. var resolve = function (i) {
  1367. return function (value) {
  1368. if (deferred._status === STATUS_REJECTED) {
  1369. return;
  1370. }
  1371. results[i] = value;
  1372. unresolved--;
  1373. if (unresolved === 0) {
  1374. resolveAll(results);
  1375. }
  1376. };
  1377. }(i);
  1378. if (Promise.isPromise(promise)) {
  1379. promise.then(resolve, reject);
  1380. } else {
  1381. resolve(promise);
  1382. }
  1383. }
  1384. return deferred;
  1385. };
  1386. Promise.isPromise = function Promise_isPromise(value) {
  1387. return value && typeof value.then === 'function';
  1388. };
  1389. Promise.resolve = function Promise_resolve(value) {
  1390. return new Promise(function (resolve) {
  1391. resolve(value);
  1392. });
  1393. };
  1394. Promise.reject = function Promise_reject(reason) {
  1395. return new Promise(function (resolve, reject) {
  1396. reject(reason);
  1397. });
  1398. };
  1399. Promise.prototype = {
  1400. _status: null,
  1401. _value: null,
  1402. _handlers: null,
  1403. _unhandledRejection: null,
  1404. _updateStatus: function Promise__updateStatus(status, value) {
  1405. if (this._status === STATUS_RESOLVED || this._status === STATUS_REJECTED) {
  1406. return;
  1407. }
  1408. if (status === STATUS_RESOLVED && Promise.isPromise(value)) {
  1409. value.then(this._updateStatus.bind(this, STATUS_RESOLVED), this._updateStatus.bind(this, STATUS_REJECTED));
  1410. return;
  1411. }
  1412. this._status = status;
  1413. this._value = value;
  1414. if (status === STATUS_REJECTED && this._handlers.length === 0) {
  1415. this._unhandledRejection = true;
  1416. HandlerManager.addUnhandledRejection(this);
  1417. }
  1418. HandlerManager.scheduleHandlers(this);
  1419. },
  1420. _resolve: function Promise_resolve(value) {
  1421. this._updateStatus(STATUS_RESOLVED, value);
  1422. },
  1423. _reject: function Promise_reject(reason) {
  1424. this._updateStatus(STATUS_REJECTED, reason);
  1425. },
  1426. then: function Promise_then(onResolve, onReject) {
  1427. var nextPromise = new Promise(function (resolve, reject) {
  1428. this.resolve = resolve;
  1429. this.reject = reject;
  1430. });
  1431. this._handlers.push({
  1432. thisPromise: this,
  1433. onResolve: onResolve,
  1434. onReject: onReject,
  1435. nextPromise: nextPromise
  1436. });
  1437. HandlerManager.scheduleHandlers(this);
  1438. return nextPromise;
  1439. },
  1440. catch: function Promise_catch(onReject) {
  1441. return this.then(undefined, onReject);
  1442. }
  1443. };
  1444. globalScope.Promise = Promise;
  1445. }());
  1446. (function WeakMapClosure() {
  1447. if (globalScope.WeakMap) {
  1448. return;
  1449. }
  1450. var id = 0;
  1451. function WeakMap() {
  1452. this.id = '$weakmap' + id++;
  1453. }
  1454. WeakMap.prototype = {
  1455. has: function (obj) {
  1456. return !!Object.getOwnPropertyDescriptor(obj, this.id);
  1457. },
  1458. get: function (obj, defaultValue) {
  1459. return this.has(obj) ? obj[this.id] : defaultValue;
  1460. },
  1461. set: function (obj, value) {
  1462. Object.defineProperty(obj, this.id, {
  1463. value: value,
  1464. enumerable: false,
  1465. configurable: true
  1466. });
  1467. },
  1468. delete: function (obj) {
  1469. delete obj[this.id];
  1470. }
  1471. };
  1472. globalScope.WeakMap = WeakMap;
  1473. }());
  1474. var StatTimer = function StatTimerClosure() {
  1475. function rpad(str, pad, length) {
  1476. while (str.length < length) {
  1477. str += pad;
  1478. }
  1479. return str;
  1480. }
  1481. function StatTimer() {
  1482. this.started = Object.create(null);
  1483. this.times = [];
  1484. this.enabled = true;
  1485. }
  1486. StatTimer.prototype = {
  1487. time: function StatTimer_time(name) {
  1488. if (!this.enabled) {
  1489. return;
  1490. }
  1491. if (name in this.started) {
  1492. warn('Timer is already running for ' + name);
  1493. }
  1494. this.started[name] = Date.now();
  1495. },
  1496. timeEnd: function StatTimer_timeEnd(name) {
  1497. if (!this.enabled) {
  1498. return;
  1499. }
  1500. if (!(name in this.started)) {
  1501. warn('Timer has not been started for ' + name);
  1502. }
  1503. this.times.push({
  1504. 'name': name,
  1505. 'start': this.started[name],
  1506. 'end': Date.now()
  1507. });
  1508. delete this.started[name];
  1509. },
  1510. toString: function StatTimer_toString() {
  1511. var i, ii;
  1512. var times = this.times;
  1513. var out = '';
  1514. var longest = 0;
  1515. for (i = 0, ii = times.length; i < ii; ++i) {
  1516. var name = times[i]['name'];
  1517. if (name.length > longest) {
  1518. longest = name.length;
  1519. }
  1520. }
  1521. for (i = 0, ii = times.length; i < ii; ++i) {
  1522. var span = times[i];
  1523. var duration = span.end - span.start;
  1524. out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
  1525. }
  1526. return out;
  1527. }
  1528. };
  1529. return StatTimer;
  1530. }();
  1531. var createBlob = function createBlob(data, contentType) {
  1532. if (typeof Blob !== 'undefined') {
  1533. return new Blob([data], { type: contentType });
  1534. }
  1535. warn('The "Blob" constructor is not supported.');
  1536. };
  1537. var createObjectURL = function createObjectURLClosure() {
  1538. var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
  1539. return function createObjectURL(data, contentType, forceDataSchema) {
  1540. if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) {
  1541. var blob = createBlob(data, contentType);
  1542. return URL.createObjectURL(blob);
  1543. }
  1544. var buffer = 'data:' + contentType + ';base64,';
  1545. for (var i = 0, ii = data.length; i < ii; i += 3) {
  1546. var b1 = data[i] & 0xFF;
  1547. var b2 = data[i + 1] & 0xFF;
  1548. var b3 = data[i + 2] & 0xFF;
  1549. var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4;
  1550. var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
  1551. var d4 = i + 2 < ii ? b3 & 0x3F : 64;
  1552. buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
  1553. }
  1554. return buffer;
  1555. };
  1556. }();
  1557. function MessageHandler(sourceName, targetName, comObj) {
  1558. this.sourceName = sourceName;
  1559. this.targetName = targetName;
  1560. this.comObj = comObj;
  1561. this.callbackIndex = 1;
  1562. this.postMessageTransfers = true;
  1563. var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
  1564. var ah = this.actionHandler = Object.create(null);
  1565. this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
  1566. var data = event.data;
  1567. if (data.targetName !== this.sourceName) {
  1568. return;
  1569. }
  1570. if (data.isReply) {
  1571. var callbackId = data.callbackId;
  1572. if (data.callbackId in callbacksCapabilities) {
  1573. var callback = callbacksCapabilities[callbackId];
  1574. delete callbacksCapabilities[callbackId];
  1575. if ('error' in data) {
  1576. callback.reject(data.error);
  1577. } else {
  1578. callback.resolve(data.data);
  1579. }
  1580. } else {
  1581. error('Cannot resolve callback ' + callbackId);
  1582. }
  1583. } else if (data.action in ah) {
  1584. var action = ah[data.action];
  1585. if (data.callbackId) {
  1586. var sourceName = this.sourceName;
  1587. var targetName = data.sourceName;
  1588. Promise.resolve().then(function () {
  1589. return action[0].call(action[1], data.data);
  1590. }).then(function (result) {
  1591. comObj.postMessage({
  1592. sourceName: sourceName,
  1593. targetName: targetName,
  1594. isReply: true,
  1595. callbackId: data.callbackId,
  1596. data: result
  1597. });
  1598. }, function (reason) {
  1599. if (reason instanceof Error) {
  1600. reason = reason + '';
  1601. }
  1602. comObj.postMessage({
  1603. sourceName: sourceName,
  1604. targetName: targetName,
  1605. isReply: true,
  1606. callbackId: data.callbackId,
  1607. error: reason
  1608. });
  1609. });
  1610. } else {
  1611. action[0].call(action[1], data.data);
  1612. }
  1613. } else {
  1614. error('Unknown action from worker: ' + data.action);
  1615. }
  1616. }.bind(this);
  1617. comObj.addEventListener('message', this._onComObjOnMessage);
  1618. }
  1619. MessageHandler.prototype = {
  1620. on: function messageHandlerOn(actionName, handler, scope) {
  1621. var ah = this.actionHandler;
  1622. if (ah[actionName]) {
  1623. error('There is already an actionName called "' + actionName + '"');
  1624. }
  1625. ah[actionName] = [
  1626. handler,
  1627. scope
  1628. ];
  1629. },
  1630. send: function messageHandlerSend(actionName, data, transfers) {
  1631. var message = {
  1632. sourceName: this.sourceName,
  1633. targetName: this.targetName,
  1634. action: actionName,
  1635. data: data
  1636. };
  1637. this.postMessage(message, transfers);
  1638. },
  1639. sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) {
  1640. var callbackId = this.callbackIndex++;
  1641. var message = {
  1642. sourceName: this.sourceName,
  1643. targetName: this.targetName,
  1644. action: actionName,
  1645. data: data,
  1646. callbackId: callbackId
  1647. };
  1648. var capability = createPromiseCapability();
  1649. this.callbacksCapabilities[callbackId] = capability;
  1650. try {
  1651. this.postMessage(message, transfers);
  1652. } catch (e) {
  1653. capability.reject(e);
  1654. }
  1655. return capability.promise;
  1656. },
  1657. postMessage: function (message, transfers) {
  1658. if (transfers && this.postMessageTransfers) {
  1659. this.comObj.postMessage(message, transfers);
  1660. } else {
  1661. this.comObj.postMessage(message);
  1662. }
  1663. },
  1664. destroy: function () {
  1665. this.comObj.removeEventListener('message', this._onComObjOnMessage);
  1666. }
  1667. };
  1668. function loadJpegStream(id, imageUrl, objs) {
  1669. var img = new Image();
  1670. img.onload = function loadJpegStream_onloadClosure() {
  1671. objs.resolve(id, img);
  1672. };
  1673. img.onerror = function loadJpegStream_onerrorClosure() {
  1674. objs.resolve(id, null);
  1675. warn('Error during JPEG image loading');
  1676. };
  1677. img.src = imageUrl;
  1678. }
  1679. (function checkURLConstructor(scope) {
  1680. var hasWorkingUrl = false;
  1681. try {
  1682. if (typeof URL === 'function' && typeof URL.prototype === 'object' && 'origin' in URL.prototype) {
  1683. var u = new URL('b', 'http://a');
  1684. u.pathname = 'c%20d';
  1685. hasWorkingUrl = u.href === 'http://a/c%20d';
  1686. }
  1687. } catch (e) {
  1688. }
  1689. if (hasWorkingUrl) {
  1690. return;
  1691. }
  1692. var relative = Object.create(null);
  1693. relative['ftp'] = 21;
  1694. relative['file'] = 0;
  1695. relative['gopher'] = 70;
  1696. relative['http'] = 80;
  1697. relative['https'] = 443;
  1698. relative['ws'] = 80;
  1699. relative['wss'] = 443;
  1700. var relativePathDotMapping = Object.create(null);
  1701. relativePathDotMapping['%2e'] = '.';
  1702. relativePathDotMapping['.%2e'] = '..';
  1703. relativePathDotMapping['%2e.'] = '..';
  1704. relativePathDotMapping['%2e%2e'] = '..';
  1705. function isRelativeScheme(scheme) {
  1706. return relative[scheme] !== undefined;
  1707. }
  1708. function invalid() {
  1709. clear.call(this);
  1710. this._isInvalid = true;
  1711. }
  1712. function IDNAToASCII(h) {
  1713. if (h === '') {
  1714. invalid.call(this);
  1715. }
  1716. return h.toLowerCase();
  1717. }
  1718. function percentEscape(c) {
  1719. var unicode = c.charCodeAt(0);
  1720. if (unicode > 0x20 && unicode < 0x7F && [
  1721. 0x22,
  1722. 0x23,
  1723. 0x3C,
  1724. 0x3E,
  1725. 0x3F,
  1726. 0x60
  1727. ].indexOf(unicode) === -1) {
  1728. return c;
  1729. }
  1730. return encodeURIComponent(c);
  1731. }
  1732. function percentEscapeQuery(c) {
  1733. var unicode = c.charCodeAt(0);
  1734. if (unicode > 0x20 && unicode < 0x7F && [
  1735. 0x22,
  1736. 0x23,
  1737. 0x3C,
  1738. 0x3E,
  1739. 0x60
  1740. ].indexOf(unicode) === -1) {
  1741. return c;
  1742. }
  1743. return encodeURIComponent(c);
  1744. }
  1745. var EOF, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
  1746. function parse(input, stateOverride, base) {
  1747. function err(message) {
  1748. errors.push(message);
  1749. }
  1750. var state = stateOverride || 'scheme start', cursor = 0, buffer = '', seenAt = false, seenBracket = false, errors = [];
  1751. loop:
  1752. while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
  1753. var c = input[cursor];
  1754. switch (state) {
  1755. case 'scheme start':
  1756. if (c && ALPHA.test(c)) {
  1757. buffer += c.toLowerCase();
  1758. state = 'scheme';
  1759. } else if (!stateOverride) {
  1760. buffer = '';
  1761. state = 'no scheme';
  1762. continue;
  1763. } else {
  1764. err('Invalid scheme.');
  1765. break loop;
  1766. }
  1767. break;
  1768. case 'scheme':
  1769. if (c && ALPHANUMERIC.test(c)) {
  1770. buffer += c.toLowerCase();
  1771. } else if (c === ':') {
  1772. this._scheme = buffer;
  1773. buffer = '';
  1774. if (stateOverride) {
  1775. break loop;
  1776. }
  1777. if (isRelativeScheme(this._scheme)) {
  1778. this._isRelative = true;
  1779. }
  1780. if (this._scheme === 'file') {
  1781. state = 'relative';
  1782. } else if (this._isRelative && base && base._scheme === this._scheme) {
  1783. state = 'relative or authority';
  1784. } else if (this._isRelative) {
  1785. state = 'authority first slash';
  1786. } else {
  1787. state = 'scheme data';
  1788. }
  1789. } else if (!stateOverride) {
  1790. buffer = '';
  1791. cursor = 0;
  1792. state = 'no scheme';
  1793. continue;
  1794. } else if (EOF === c) {
  1795. break loop;
  1796. } else {
  1797. err('Code point not allowed in scheme: ' + c);
  1798. break loop;
  1799. }
  1800. break;
  1801. case 'scheme data':
  1802. if (c === '?') {
  1803. this._query = '?';
  1804. state = 'query';
  1805. } else if (c === '#') {
  1806. this._fragment = '#';
  1807. state = 'fragment';
  1808. } else {
  1809. if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
  1810. this._schemeData += percentEscape(c);
  1811. }
  1812. }
  1813. break;
  1814. case 'no scheme':
  1815. if (!base || !isRelativeScheme(base._scheme)) {
  1816. err('Missing scheme.');
  1817. invalid.call(this);
  1818. } else {
  1819. state = 'relative';
  1820. continue;
  1821. }
  1822. break;
  1823. case 'relative or authority':
  1824. if (c === '/' && input[cursor + 1] === '/') {
  1825. state = 'authority ignore slashes';
  1826. } else {
  1827. err('Expected /, got: ' + c);
  1828. state = 'relative';
  1829. continue;
  1830. }
  1831. break;
  1832. case 'relative':
  1833. this._isRelative = true;
  1834. if ('file' !== this._scheme) {
  1835. this._scheme = base._scheme;
  1836. }
  1837. if (EOF === c) {
  1838. this._host = base._host;
  1839. this._port = base._port;
  1840. this._path = base._path.slice();
  1841. this._query = base._query;
  1842. this._username = base._username;
  1843. this._password = base._password;
  1844. break loop;
  1845. } else if (c === '/' || c === '\\') {
  1846. if (c === '\\') {
  1847. err('\\ is an invalid code point.');
  1848. }
  1849. state = 'relative slash';
  1850. } else if (c === '?') {
  1851. this._host = base._host;
  1852. this._port = base._port;
  1853. this._path = base._path.slice();
  1854. this._query = '?';
  1855. this._username = base._username;
  1856. this._password = base._password;
  1857. state = 'query';
  1858. } else if (c === '#') {
  1859. this._host = base._host;
  1860. this._port = base._port;
  1861. this._path = base._path.slice();
  1862. this._query = base._query;
  1863. this._fragment = '#';
  1864. this._username = base._username;
  1865. this._password = base._password;
  1866. state = 'fragment';
  1867. } else {
  1868. var nextC = input[cursor + 1];
  1869. var nextNextC = input[cursor + 2];
  1870. if ('file' !== this._scheme || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC && '?' !== nextNextC && '#' !== nextNextC) {
  1871. this._host = base._host;
  1872. this._port = base._port;
  1873. this._username = base._username;
  1874. this._password = base._password;
  1875. this._path = base._path.slice();
  1876. this._path.pop();
  1877. }
  1878. state = 'relative path';
  1879. continue;
  1880. }
  1881. break;
  1882. case 'relative slash':
  1883. if (c === '/' || c === '\\') {
  1884. if (c === '\\') {
  1885. err('\\ is an invalid code point.');
  1886. }
  1887. if (this._scheme === 'file') {
  1888. state = 'file host';
  1889. } else {
  1890. state = 'authority ignore slashes';
  1891. }
  1892. } else {
  1893. if ('file' !== this._scheme) {
  1894. this._host = base._host;
  1895. this._port = base._port;
  1896. this._username = base._username;
  1897. this._password = base._password;
  1898. }
  1899. state = 'relative path';
  1900. continue;
  1901. }
  1902. break;
  1903. case 'authority first slash':
  1904. if (c === '/') {
  1905. state = 'authority second slash';
  1906. } else {
  1907. err('Expected \'/\', got: ' + c);
  1908. state = 'authority ignore slashes';
  1909. continue;
  1910. }
  1911. break;
  1912. case 'authority second slash':
  1913. state = 'authority ignore slashes';
  1914. if ('/' !== c) {
  1915. err('Expected \'/\', got: ' + c);
  1916. continue;
  1917. }
  1918. break;
  1919. case 'authority ignore slashes':
  1920. if ('/' !== c && '\\' !== c) {
  1921. state = 'authority';
  1922. continue;
  1923. } else {
  1924. err('Expected authority, got: ' + c);
  1925. }
  1926. break;
  1927. case 'authority':
  1928. if (c === '@') {
  1929. if (seenAt) {
  1930. err('@ already seen.');
  1931. buffer += '%40';
  1932. }
  1933. seenAt = true;
  1934. for (var i = 0; i < buffer.length; i++) {
  1935. var cp = buffer[i];
  1936. if (cp === '\t' || cp === '\n' || cp === '\r') {
  1937. err('Invalid whitespace in authority.');
  1938. continue;
  1939. }
  1940. if (cp === ':' && this._password === null) {
  1941. this._password = '';
  1942. continue;
  1943. }
  1944. var tempC = percentEscape(cp);
  1945. if (null !== this._password) {
  1946. this._password += tempC;
  1947. } else {
  1948. this._username += tempC;
  1949. }
  1950. }
  1951. buffer = '';
  1952. } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
  1953. cursor -= buffer.length;
  1954. buffer = '';
  1955. state = 'host';
  1956. continue;
  1957. } else {
  1958. buffer += c;
  1959. }
  1960. break;
  1961. case 'file host':
  1962. if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
  1963. if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
  1964. state = 'relative path';
  1965. } else if (buffer.length === 0) {
  1966. state = 'relative path start';
  1967. } else {
  1968. this._host = IDNAToASCII.call(this, buffer);
  1969. buffer = '';
  1970. state = 'relative path start';
  1971. }
  1972. continue;
  1973. } else if (c === '\t' || c === '\n' || c === '\r') {
  1974. err('Invalid whitespace in file host.');
  1975. } else {
  1976. buffer += c;
  1977. }
  1978. break;
  1979. case 'host':
  1980. case 'hostname':
  1981. if (c === ':' && !seenBracket) {
  1982. this._host = IDNAToASCII.call(this, buffer);
  1983. buffer = '';
  1984. state = 'port';
  1985. if (stateOverride === 'hostname') {
  1986. break loop;
  1987. }
  1988. } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
  1989. this._host = IDNAToASCII.call(this, buffer);
  1990. buffer = '';
  1991. state = 'relative path start';
  1992. if (stateOverride) {
  1993. break loop;
  1994. }
  1995. continue;
  1996. } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
  1997. if (c === '[') {
  1998. seenBracket = true;
  1999. } else if (c === ']') {
  2000. seenBracket = false;
  2001. }
  2002. buffer += c;
  2003. } else {
  2004. err('Invalid code point in host/hostname: ' + c);
  2005. }
  2006. break;
  2007. case 'port':
  2008. if (/[0-9]/.test(c)) {
  2009. buffer += c;
  2010. } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) {
  2011. if ('' !== buffer) {
  2012. var temp = parseInt(buffer, 10);
  2013. if (temp !== relative[this._scheme]) {
  2014. this._port = temp + '';
  2015. }
  2016. buffer = '';
  2017. }
  2018. if (stateOverride) {
  2019. break loop;
  2020. }
  2021. state = 'relative path start';
  2022. continue;
  2023. } else if (c === '\t' || c === '\n' || c === '\r') {
  2024. err('Invalid code point in port: ' + c);
  2025. } else {
  2026. invalid.call(this);
  2027. }
  2028. break;
  2029. case 'relative path start':
  2030. if (c === '\\') {
  2031. err('\'\\\' not allowed in path.');
  2032. }
  2033. state = 'relative path';
  2034. if ('/' !== c && '\\' !== c) {
  2035. continue;
  2036. }
  2037. break;
  2038. case 'relative path':
  2039. if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) {
  2040. if (c === '\\') {
  2041. err('\\ not allowed in relative path.');
  2042. }
  2043. var tmp;
  2044. if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
  2045. buffer = tmp;
  2046. }
  2047. if (buffer === '..') {
  2048. this._path.pop();
  2049. if ('/' !== c && '\\' !== c) {
  2050. this._path.push('');
  2051. }
  2052. } else if (buffer === '.' && '/' !== c && '\\' !== c) {
  2053. this._path.push('');
  2054. } else if ('.' !== buffer) {
  2055. if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
  2056. buffer = buffer[0] + ':';
  2057. }
  2058. this._path.push(buffer);
  2059. }
  2060. buffer = '';
  2061. if (c === '?') {
  2062. this._query = '?';
  2063. state = 'query';
  2064. } else if (c === '#') {
  2065. this._fragment = '#';
  2066. state = 'fragment';
  2067. }
  2068. } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
  2069. buffer += percentEscape(c);
  2070. }
  2071. break;
  2072. case 'query':
  2073. if (!stateOverride && c === '#') {
  2074. this._fragment = '#';
  2075. state = 'fragment';
  2076. } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
  2077. this._query += percentEscapeQuery(c);
  2078. }
  2079. break;
  2080. case 'fragment':
  2081. if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
  2082. this._fragment += c;
  2083. }
  2084. break;
  2085. }
  2086. cursor++;
  2087. }
  2088. }
  2089. function clear() {
  2090. this._scheme = '';
  2091. this._schemeData = '';
  2092. this._username = '';
  2093. this._password = null;
  2094. this._host = '';
  2095. this._port = '';
  2096. this._path = [];
  2097. this._query = '';
  2098. this._fragment = '';
  2099. this._isInvalid = false;
  2100. this._isRelative = false;
  2101. }
  2102. function JURL(url, base) {
  2103. if (base !== undefined && !(base instanceof JURL)) {
  2104. base = new JURL(String(base));
  2105. }
  2106. this._url = url;
  2107. clear.call(this);
  2108. var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
  2109. parse.call(this, input, null, base);
  2110. }
  2111. JURL.prototype = {
  2112. toString: function () {
  2113. return this.href;
  2114. },
  2115. get href() {
  2116. if (this._isInvalid) {
  2117. return this._url;
  2118. }
  2119. var authority = '';
  2120. if ('' !== this._username || null !== this._password) {
  2121. authority = this._username + (null !== this._password ? ':' + this._password : '') + '@';
  2122. }
  2123. return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
  2124. },
  2125. set href(href) {
  2126. clear.call(this);
  2127. parse.call(this, href);
  2128. },
  2129. get protocol() {
  2130. return this._scheme + ':';
  2131. },
  2132. set protocol(protocol) {
  2133. if (this._isInvalid) {
  2134. return;
  2135. }
  2136. parse.call(this, protocol + ':', 'scheme start');
  2137. },
  2138. get host() {
  2139. return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
  2140. },
  2141. set host(host) {
  2142. if (this._isInvalid || !this._isRelative) {
  2143. return;
  2144. }
  2145. parse.call(this, host, 'host');
  2146. },
  2147. get hostname() {
  2148. return this._host;
  2149. },
  2150. set hostname(hostname) {
  2151. if (this._isInvalid || !this._isRelative) {
  2152. return;
  2153. }
  2154. parse.call(this, hostname, 'hostname');
  2155. },
  2156. get port() {
  2157. return this._port;
  2158. },
  2159. set port(port) {
  2160. if (this._isInvalid || !this._isRelative) {
  2161. return;
  2162. }
  2163. parse.call(this, port, 'port');
  2164. },
  2165. get pathname() {
  2166. return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
  2167. },
  2168. set pathname(pathname) {
  2169. if (this._isInvalid || !this._isRelative) {
  2170. return;
  2171. }
  2172. this._path = [];
  2173. parse.call(this, pathname, 'relative path start');
  2174. },
  2175. get search() {
  2176. return this._isInvalid || !this._query || this._query === '?' ? '' : this._query;
  2177. },
  2178. set search(search) {
  2179. if (this._isInvalid || !this._isRelative) {
  2180. return;
  2181. }
  2182. this._query = '?';
  2183. if (search[0] === '?') {
  2184. search = search.slice(1);
  2185. }
  2186. parse.call(this, search, 'query');
  2187. },
  2188. get hash() {
  2189. return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment;
  2190. },
  2191. set hash(hash) {
  2192. if (this._isInvalid) {
  2193. return;
  2194. }
  2195. this._fragment = '#';
  2196. if (hash[0] === '#') {
  2197. hash = hash.slice(1);
  2198. }
  2199. parse.call(this, hash, 'fragment');
  2200. },
  2201. get origin() {
  2202. var host;
  2203. if (this._isInvalid || !this._scheme) {
  2204. return '';
  2205. }
  2206. switch (this._scheme) {
  2207. case 'data':
  2208. case 'file':
  2209. case 'javascript':
  2210. case 'mailto':
  2211. return 'null';
  2212. }
  2213. host = this.host;
  2214. if (!host) {
  2215. return '';
  2216. }
  2217. return this._scheme + '://' + host;
  2218. }
  2219. };
  2220. var OriginalURL = scope.URL;
  2221. if (OriginalURL) {
  2222. JURL.createObjectURL = function (blob) {
  2223. return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
  2224. };
  2225. JURL.revokeObjectURL = function (url) {
  2226. OriginalURL.revokeObjectURL(url);
  2227. };
  2228. }
  2229. scope.URL = JURL;
  2230. }(globalScope));
  2231. exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
  2232. exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
  2233. exports.OPS = OPS;
  2234. exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
  2235. exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
  2236. exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
  2237. exports.AnnotationFieldFlag = AnnotationFieldFlag;
  2238. exports.AnnotationFlag = AnnotationFlag;
  2239. exports.AnnotationType = AnnotationType;
  2240. exports.FontType = FontType;
  2241. exports.ImageKind = ImageKind;
  2242. exports.InvalidPDFException = InvalidPDFException;
  2243. exports.MessageHandler = MessageHandler;
  2244. exports.MissingDataException = MissingDataException;
  2245. exports.MissingPDFException = MissingPDFException;
  2246. exports.NotImplementedException = NotImplementedException;
  2247. exports.PageViewport = PageViewport;
  2248. exports.PasswordException = PasswordException;
  2249. exports.PasswordResponses = PasswordResponses;
  2250. exports.StatTimer = StatTimer;
  2251. exports.StreamType = StreamType;
  2252. exports.TextRenderingMode = TextRenderingMode;
  2253. exports.UnexpectedResponseException = UnexpectedResponseException;
  2254. exports.UnknownErrorException = UnknownErrorException;
  2255. exports.Util = Util;
  2256. exports.XRefParseException = XRefParseException;
  2257. exports.arrayByteLength = arrayByteLength;
  2258. exports.arraysToBytes = arraysToBytes;
  2259. exports.assert = assert;
  2260. exports.bytesToString = bytesToString;
  2261. exports.createBlob = createBlob;
  2262. exports.createPromiseCapability = createPromiseCapability;
  2263. exports.createObjectURL = createObjectURL;
  2264. exports.deprecated = deprecated;
  2265. exports.error = error;
  2266. exports.getLookupTableFactory = getLookupTableFactory;
  2267. exports.getVerbosityLevel = getVerbosityLevel;
  2268. exports.globalScope = globalScope;
  2269. exports.info = info;
  2270. exports.isArray = isArray;
  2271. exports.isArrayBuffer = isArrayBuffer;
  2272. exports.isBool = isBool;
  2273. exports.isEmptyObj = isEmptyObj;
  2274. exports.isInt = isInt;
  2275. exports.isNum = isNum;
  2276. exports.isString = isString;
  2277. exports.isSpace = isSpace;
  2278. exports.isSameOrigin = isSameOrigin;
  2279. exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
  2280. exports.isLittleEndian = isLittleEndian;
  2281. exports.isEvalSupported = isEvalSupported;
  2282. exports.loadJpegStream = loadJpegStream;
  2283. exports.log2 = log2;
  2284. exports.readInt8 = readInt8;
  2285. exports.readUint16 = readUint16;
  2286. exports.readUint32 = readUint32;
  2287. exports.removeNullCharacters = removeNullCharacters;
  2288. exports.setVerbosityLevel = setVerbosityLevel;
  2289. exports.shadow = shadow;
  2290. exports.string32 = string32;
  2291. exports.stringToBytes = stringToBytes;
  2292. exports.stringToPDFString = stringToPDFString;
  2293. exports.stringToUTF8String = stringToUTF8String;
  2294. exports.utf8StringToString = utf8StringToString;
  2295. exports.warn = warn;
  2296. /* WEBPACK VAR INJECTION */}.call(exports, __w_pdfjs_require__(9)))
  2297. /***/ }),
  2298. /* 1 */
  2299. /***/ (function(module, exports, __w_pdfjs_require__) {
  2300. "use strict";
  2301. var sharedUtil = __w_pdfjs_require__(0);
  2302. var assert = sharedUtil.assert;
  2303. var removeNullCharacters = sharedUtil.removeNullCharacters;
  2304. var warn = sharedUtil.warn;
  2305. var deprecated = sharedUtil.deprecated;
  2306. var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl;
  2307. var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
  2308. function DOMCanvasFactory() {
  2309. }
  2310. DOMCanvasFactory.prototype = {
  2311. create: function DOMCanvasFactory_create(width, height) {
  2312. assert(width > 0 && height > 0, 'invalid canvas size');
  2313. var canvas = document.createElement('canvas');
  2314. var context = canvas.getContext('2d');
  2315. canvas.width = width;
  2316. canvas.height = height;
  2317. return {
  2318. canvas: canvas,
  2319. context: context
  2320. };
  2321. },
  2322. reset: function DOMCanvasFactory_reset(canvasAndContextPair, width, height) {
  2323. assert(canvasAndContextPair.canvas, 'canvas is not specified');
  2324. assert(width > 0 && height > 0, 'invalid canvas size');
  2325. canvasAndContextPair.canvas.width = width;
  2326. canvasAndContextPair.canvas.height = height;
  2327. },
  2328. destroy: function DOMCanvasFactory_destroy(canvasAndContextPair) {
  2329. assert(canvasAndContextPair.canvas, 'canvas is not specified');
  2330. canvasAndContextPair.canvas.width = 0;
  2331. canvasAndContextPair.canvas.height = 0;
  2332. canvasAndContextPair.canvas = null;
  2333. canvasAndContextPair.context = null;
  2334. }
  2335. };
  2336. var CustomStyle = function CustomStyleClosure() {
  2337. var prefixes = [
  2338. 'ms',
  2339. 'Moz',
  2340. 'Webkit',
  2341. 'O'
  2342. ];
  2343. var _cache = Object.create(null);
  2344. function CustomStyle() {
  2345. }
  2346. CustomStyle.getProp = function get(propName, element) {
  2347. if (arguments.length === 1 && typeof _cache[propName] === 'string') {
  2348. return _cache[propName];
  2349. }
  2350. element = element || document.documentElement;
  2351. var style = element.style, prefixed, uPropName;
  2352. if (typeof style[propName] === 'string') {
  2353. return _cache[propName] = propName;
  2354. }
  2355. uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
  2356. for (var i = 0, l = prefixes.length; i < l; i++) {
  2357. prefixed = prefixes[i] + uPropName;
  2358. if (typeof style[prefixed] === 'string') {
  2359. return _cache[propName] = prefixed;
  2360. }
  2361. }
  2362. return _cache[propName] = 'undefined';
  2363. };
  2364. CustomStyle.setProp = function set(propName, element, str) {
  2365. var prop = this.getProp(propName);
  2366. if (prop !== 'undefined') {
  2367. element.style[prop] = str;
  2368. }
  2369. };
  2370. return CustomStyle;
  2371. }();
  2372. var hasCanvasTypedArrays;
  2373. hasCanvasTypedArrays = function hasCanvasTypedArrays() {
  2374. var canvas = document.createElement('canvas');
  2375. canvas.width = canvas.height = 1;
  2376. var ctx = canvas.getContext('2d');
  2377. var imageData = ctx.createImageData(1, 1);
  2378. return typeof imageData.data.buffer !== 'undefined';
  2379. };
  2380. var LinkTarget = {
  2381. NONE: 0,
  2382. SELF: 1,
  2383. BLANK: 2,
  2384. PARENT: 3,
  2385. TOP: 4
  2386. };
  2387. var LinkTargetStringMap = [
  2388. '',
  2389. '_self',
  2390. '_blank',
  2391. '_parent',
  2392. '_top'
  2393. ];
  2394. function addLinkAttributes(link, params) {
  2395. var url = params && params.url;
  2396. link.href = link.title = url ? removeNullCharacters(url) : '';
  2397. if (url) {
  2398. var target = params.target;
  2399. if (typeof target === 'undefined') {
  2400. target = getDefaultSetting('externalLinkTarget');
  2401. }
  2402. link.target = LinkTargetStringMap[target];
  2403. var rel = params.rel;
  2404. if (typeof rel === 'undefined') {
  2405. rel = getDefaultSetting('externalLinkRel');
  2406. }
  2407. link.rel = rel;
  2408. }
  2409. }
  2410. function getFilenameFromUrl(url) {
  2411. var anchor = url.indexOf('#');
  2412. var query = url.indexOf('?');
  2413. var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
  2414. return url.substring(url.lastIndexOf('/', end) + 1, end);
  2415. }
  2416. function getDefaultSetting(id) {
  2417. var globalSettings = sharedUtil.globalScope.PDFJS;
  2418. switch (id) {
  2419. case 'pdfBug':
  2420. return globalSettings ? globalSettings.pdfBug : false;
  2421. case 'disableAutoFetch':
  2422. return globalSettings ? globalSettings.disableAutoFetch : false;
  2423. case 'disableStream':
  2424. return globalSettings ? globalSettings.disableStream : false;
  2425. case 'disableRange':
  2426. return globalSettings ? globalSettings.disableRange : false;
  2427. case 'disableFontFace':
  2428. return globalSettings ? globalSettings.disableFontFace : false;
  2429. case 'disableCreateObjectURL':
  2430. return globalSettings ? globalSettings.disableCreateObjectURL : false;
  2431. case 'disableWebGL':
  2432. return globalSettings ? globalSettings.disableWebGL : true;
  2433. case 'cMapUrl':
  2434. return globalSettings ? globalSettings.cMapUrl : null;
  2435. case 'cMapPacked':
  2436. return globalSettings ? globalSettings.cMapPacked : false;
  2437. case 'postMessageTransfers':
  2438. return globalSettings ? globalSettings.postMessageTransfers : true;
  2439. case 'workerSrc':
  2440. return globalSettings ? globalSettings.workerSrc : null;
  2441. case 'disableWorker':
  2442. return globalSettings ? globalSettings.disableWorker : false;
  2443. case 'maxImageSize':
  2444. return globalSettings ? globalSettings.maxImageSize : -1;
  2445. case 'imageResourcesPath':
  2446. return globalSettings ? globalSettings.imageResourcesPath : '';
  2447. case 'isEvalSupported':
  2448. return globalSettings ? globalSettings.isEvalSupported : true;
  2449. case 'externalLinkTarget':
  2450. if (!globalSettings) {
  2451. return LinkTarget.NONE;
  2452. }
  2453. switch (globalSettings.externalLinkTarget) {
  2454. case LinkTarget.NONE:
  2455. case LinkTarget.SELF:
  2456. case LinkTarget.BLANK:
  2457. case LinkTarget.PARENT:
  2458. case LinkTarget.TOP:
  2459. return globalSettings.externalLinkTarget;
  2460. }
  2461. warn('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
  2462. globalSettings.externalLinkTarget = LinkTarget.NONE;
  2463. return LinkTarget.NONE;
  2464. case 'externalLinkRel':
  2465. return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;
  2466. case 'enableStats':
  2467. return !!(globalSettings && globalSettings.enableStats);
  2468. default:
  2469. throw new Error('Unknown default setting: ' + id);
  2470. }
  2471. }
  2472. function isExternalLinkTargetSet() {
  2473. var externalLinkTarget = getDefaultSetting('externalLinkTarget');
  2474. switch (externalLinkTarget) {
  2475. case LinkTarget.NONE:
  2476. return false;
  2477. case LinkTarget.SELF:
  2478. case LinkTarget.BLANK:
  2479. case LinkTarget.PARENT:
  2480. case LinkTarget.TOP:
  2481. return true;
  2482. }
  2483. }
  2484. function isValidUrl(url, allowRelative) {
  2485. deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.');
  2486. var baseUrl = allowRelative ? 'http://example.com' : null;
  2487. return createValidAbsoluteUrl(url, baseUrl) !== null;
  2488. }
  2489. exports.CustomStyle = CustomStyle;
  2490. exports.addLinkAttributes = addLinkAttributes;
  2491. exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
  2492. exports.isValidUrl = isValidUrl;
  2493. exports.getFilenameFromUrl = getFilenameFromUrl;
  2494. exports.LinkTarget = LinkTarget;
  2495. exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
  2496. exports.getDefaultSetting = getDefaultSetting;
  2497. exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
  2498. exports.DOMCanvasFactory = DOMCanvasFactory;
  2499. /***/ }),
  2500. /* 2 */
  2501. /***/ (function(module, exports, __w_pdfjs_require__) {
  2502. "use strict";
  2503. var sharedUtil = __w_pdfjs_require__(0);
  2504. var displayDOMUtils = __w_pdfjs_require__(1);
  2505. var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
  2506. var AnnotationType = sharedUtil.AnnotationType;
  2507. var stringToPDFString = sharedUtil.stringToPDFString;
  2508. var Util = sharedUtil.Util;
  2509. var addLinkAttributes = displayDOMUtils.addLinkAttributes;
  2510. var LinkTarget = displayDOMUtils.LinkTarget;
  2511. var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
  2512. var warn = sharedUtil.warn;
  2513. var CustomStyle = displayDOMUtils.CustomStyle;
  2514. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  2515. function AnnotationElementFactory() {
  2516. }
  2517. AnnotationElementFactory.prototype = {
  2518. create: function AnnotationElementFactory_create(parameters) {
  2519. var subtype = parameters.data.annotationType;
  2520. switch (subtype) {
  2521. case AnnotationType.LINK:
  2522. return new LinkAnnotationElement(parameters);
  2523. case AnnotationType.TEXT:
  2524. return new TextAnnotationElement(parameters);
  2525. case AnnotationType.WIDGET:
  2526. var fieldType = parameters.data.fieldType;
  2527. switch (fieldType) {
  2528. case 'Tx':
  2529. return new TextWidgetAnnotationElement(parameters);
  2530. case 'Btn':
  2531. if (parameters.data.radioButton) {
  2532. return new RadioButtonWidgetAnnotationElement(parameters);
  2533. } else if (parameters.data.checkBox) {
  2534. return new CheckboxWidgetAnnotationElement(parameters);
  2535. }
  2536. warn('Unimplemented button widget annotation: pushbutton');
  2537. break;
  2538. case 'Ch':
  2539. return new ChoiceWidgetAnnotationElement(parameters);
  2540. }
  2541. return new WidgetAnnotationElement(parameters);
  2542. case AnnotationType.POPUP:
  2543. return new PopupAnnotationElement(parameters);
  2544. case AnnotationType.HIGHLIGHT:
  2545. return new HighlightAnnotationElement(parameters);
  2546. case AnnotationType.UNDERLINE:
  2547. return new UnderlineAnnotationElement(parameters);
  2548. case AnnotationType.SQUIGGLY:
  2549. return new SquigglyAnnotationElement(parameters);
  2550. case AnnotationType.STRIKEOUT:
  2551. return new StrikeOutAnnotationElement(parameters);
  2552. case AnnotationType.FILEATTACHMENT:
  2553. return new FileAttachmentAnnotationElement(parameters);
  2554. default:
  2555. return new AnnotationElement(parameters);
  2556. }
  2557. }
  2558. };
  2559. var AnnotationElement = function AnnotationElementClosure() {
  2560. function AnnotationElement(parameters, isRenderable) {
  2561. this.isRenderable = isRenderable || false;
  2562. this.data = parameters.data;
  2563. this.layer = parameters.layer;
  2564. this.page = parameters.page;
  2565. this.viewport = parameters.viewport;
  2566. this.linkService = parameters.linkService;
  2567. this.downloadManager = parameters.downloadManager;
  2568. this.imageResourcesPath = parameters.imageResourcesPath;
  2569. this.renderInteractiveForms = parameters.renderInteractiveForms;
  2570. if (isRenderable) {
  2571. this.container = this._createContainer();
  2572. }
  2573. }
  2574. AnnotationElement.prototype = {
  2575. _createContainer: function AnnotationElement_createContainer() {
  2576. var data = this.data, page = this.page, viewport = this.viewport;
  2577. var container = document.createElement('section');
  2578. var width = data.rect[2] - data.rect[0];
  2579. var height = data.rect[3] - data.rect[1];
  2580. container.setAttribute('data-annotation-id', data.id);
  2581. var rect = Util.normalizeRect([
  2582. data.rect[0],
  2583. page.view[3] - data.rect[1] + page.view[1],
  2584. data.rect[2],
  2585. page.view[3] - data.rect[3] + page.view[1]
  2586. ]);
  2587. CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')');
  2588. CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px');
  2589. if (data.borderStyle.width > 0) {
  2590. container.style.borderWidth = data.borderStyle.width + 'px';
  2591. if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {
  2592. width = width - 2 * data.borderStyle.width;
  2593. height = height - 2 * data.borderStyle.width;
  2594. }
  2595. var horizontalRadius = data.borderStyle.horizontalCornerRadius;
  2596. var verticalRadius = data.borderStyle.verticalCornerRadius;
  2597. if (horizontalRadius > 0 || verticalRadius > 0) {
  2598. var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
  2599. CustomStyle.setProp('borderRadius', container, radius);
  2600. }
  2601. switch (data.borderStyle.style) {
  2602. case AnnotationBorderStyleType.SOLID:
  2603. container.style.borderStyle = 'solid';
  2604. break;
  2605. case AnnotationBorderStyleType.DASHED:
  2606. container.style.borderStyle = 'dashed';
  2607. break;
  2608. case AnnotationBorderStyleType.BEVELED:
  2609. warn('Unimplemented border style: beveled');
  2610. break;
  2611. case AnnotationBorderStyleType.INSET:
  2612. warn('Unimplemented border style: inset');
  2613. break;
  2614. case AnnotationBorderStyleType.UNDERLINE:
  2615. container.style.borderBottomStyle = 'solid';
  2616. break;
  2617. default:
  2618. break;
  2619. }
  2620. if (data.color) {
  2621. container.style.borderColor = Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
  2622. } else {
  2623. container.style.borderWidth = 0;
  2624. }
  2625. }
  2626. container.style.left = rect[0] + 'px';
  2627. container.style.top = rect[1] + 'px';
  2628. container.style.width = width + 'px';
  2629. container.style.height = height + 'px';
  2630. return container;
  2631. },
  2632. _createPopup: function AnnotationElement_createPopup(container, trigger, data) {
  2633. if (!trigger) {
  2634. trigger = document.createElement('div');
  2635. trigger.style.height = container.style.height;
  2636. trigger.style.width = container.style.width;
  2637. container.appendChild(trigger);
  2638. }
  2639. var popupElement = new PopupElement({
  2640. container: container,
  2641. trigger: trigger,
  2642. color: data.color,
  2643. title: data.title,
  2644. contents: data.contents,
  2645. hideWrapper: true
  2646. });
  2647. var popup = popupElement.render();
  2648. popup.style.left = container.style.width;
  2649. container.appendChild(popup);
  2650. },
  2651. render: function AnnotationElement_render() {
  2652. throw new Error('Abstract method AnnotationElement.render called');
  2653. }
  2654. };
  2655. return AnnotationElement;
  2656. }();
  2657. var LinkAnnotationElement = function LinkAnnotationElementClosure() {
  2658. function LinkAnnotationElement(parameters) {
  2659. AnnotationElement.call(this, parameters, true);
  2660. }
  2661. Util.inherit(LinkAnnotationElement, AnnotationElement, {
  2662. render: function LinkAnnotationElement_render() {
  2663. this.container.className = 'linkAnnotation';
  2664. var link = document.createElement('a');
  2665. addLinkAttributes(link, {
  2666. url: this.data.url,
  2667. target: this.data.newWindow ? LinkTarget.BLANK : undefined
  2668. });
  2669. if (!this.data.url) {
  2670. if (this.data.action) {
  2671. this._bindNamedAction(link, this.data.action);
  2672. } else {
  2673. this._bindLink(link, this.data.dest);
  2674. }
  2675. }
  2676. this.container.appendChild(link);
  2677. return this.container;
  2678. },
  2679. _bindLink: function LinkAnnotationElement_bindLink(link, destination) {
  2680. var self = this;
  2681. link.href = this.linkService.getDestinationHash(destination);
  2682. link.onclick = function () {
  2683. if (destination) {
  2684. self.linkService.navigateTo(destination);
  2685. }
  2686. return false;
  2687. };
  2688. if (destination) {
  2689. link.className = 'internalLink';
  2690. }
  2691. },
  2692. _bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) {
  2693. var self = this;
  2694. link.href = this.linkService.getAnchorUrl('');
  2695. link.onclick = function () {
  2696. self.linkService.executeNamedAction(action);
  2697. return false;
  2698. };
  2699. link.className = 'internalLink';
  2700. }
  2701. });
  2702. return LinkAnnotationElement;
  2703. }();
  2704. var TextAnnotationElement = function TextAnnotationElementClosure() {
  2705. function TextAnnotationElement(parameters) {
  2706. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  2707. AnnotationElement.call(this, parameters, isRenderable);
  2708. }
  2709. Util.inherit(TextAnnotationElement, AnnotationElement, {
  2710. render: function TextAnnotationElement_render() {
  2711. this.container.className = 'textAnnotation';
  2712. var image = document.createElement('img');
  2713. image.style.height = this.container.style.height;
  2714. image.style.width = this.container.style.width;
  2715. image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
  2716. image.alt = '[{{type}} Annotation]';
  2717. image.dataset.l10nId = 'text_annotation_type';
  2718. image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });
  2719. if (!this.data.hasPopup) {
  2720. this._createPopup(this.container, image, this.data);
  2721. }
  2722. this.container.appendChild(image);
  2723. return this.container;
  2724. }
  2725. });
  2726. return TextAnnotationElement;
  2727. }();
  2728. var WidgetAnnotationElement = function WidgetAnnotationElementClosure() {
  2729. function WidgetAnnotationElement(parameters, isRenderable) {
  2730. AnnotationElement.call(this, parameters, isRenderable);
  2731. }
  2732. Util.inherit(WidgetAnnotationElement, AnnotationElement, {
  2733. render: function WidgetAnnotationElement_render() {
  2734. return this.container;
  2735. }
  2736. });
  2737. return WidgetAnnotationElement;
  2738. }();
  2739. var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() {
  2740. var TEXT_ALIGNMENT = [
  2741. 'left',
  2742. 'center',
  2743. 'right'
  2744. ];
  2745. function TextWidgetAnnotationElement(parameters) {
  2746. var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
  2747. WidgetAnnotationElement.call(this, parameters, isRenderable);
  2748. }
  2749. Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
  2750. render: function TextWidgetAnnotationElement_render() {
  2751. this.container.className = 'textWidgetAnnotation';
  2752. var element = null;
  2753. if (this.renderInteractiveForms) {
  2754. if (this.data.multiLine) {
  2755. element = document.createElement('textarea');
  2756. element.textContent = this.data.fieldValue;
  2757. } else {
  2758. element = document.createElement('input');
  2759. element.type = 'text';
  2760. element.setAttribute('value', this.data.fieldValue);
  2761. }
  2762. element.disabled = this.data.readOnly;
  2763. if (this.data.maxLen !== null) {
  2764. element.maxLength = this.data.maxLen;
  2765. }
  2766. if (this.data.comb) {
  2767. var fieldWidth = this.data.rect[2] - this.data.rect[0];
  2768. var combWidth = fieldWidth / this.data.maxLen;
  2769. element.classList.add('comb');
  2770. element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
  2771. }
  2772. } else {
  2773. element = document.createElement('div');
  2774. element.textContent = this.data.fieldValue;
  2775. element.style.verticalAlign = 'middle';
  2776. element.style.display = 'table-cell';
  2777. var font = null;
  2778. if (this.data.fontRefName) {
  2779. font = this.page.commonObjs.getData(this.data.fontRefName);
  2780. }
  2781. this._setTextStyle(element, font);
  2782. }
  2783. if (this.data.textAlignment !== null) {
  2784. element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
  2785. }
  2786. this.container.appendChild(element);
  2787. return this.container;
  2788. },
  2789. _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) {
  2790. var style = element.style;
  2791. style.fontSize = this.data.fontSize + 'px';
  2792. style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
  2793. if (!font) {
  2794. return;
  2795. }
  2796. style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
  2797. style.fontStyle = font.italic ? 'italic' : 'normal';
  2798. var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
  2799. var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
  2800. style.fontFamily = fontFamily + fallbackName;
  2801. }
  2802. });
  2803. return TextWidgetAnnotationElement;
  2804. }();
  2805. var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() {
  2806. function CheckboxWidgetAnnotationElement(parameters) {
  2807. WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
  2808. }
  2809. Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {
  2810. render: function CheckboxWidgetAnnotationElement_render() {
  2811. this.container.className = 'buttonWidgetAnnotation checkBox';
  2812. var element = document.createElement('input');
  2813. element.disabled = this.data.readOnly;
  2814. element.type = 'checkbox';
  2815. if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
  2816. element.setAttribute('checked', true);
  2817. }
  2818. this.container.appendChild(element);
  2819. return this.container;
  2820. }
  2821. });
  2822. return CheckboxWidgetAnnotationElement;
  2823. }();
  2824. var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() {
  2825. function RadioButtonWidgetAnnotationElement(parameters) {
  2826. WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
  2827. }
  2828. Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {
  2829. render: function RadioButtonWidgetAnnotationElement_render() {
  2830. this.container.className = 'buttonWidgetAnnotation radioButton';
  2831. var element = document.createElement('input');
  2832. element.disabled = this.data.readOnly;
  2833. element.type = 'radio';
  2834. element.name = this.data.fieldName;
  2835. if (this.data.fieldValue === this.data.buttonValue) {
  2836. element.setAttribute('checked', true);
  2837. }
  2838. this.container.appendChild(element);
  2839. return this.container;
  2840. }
  2841. });
  2842. return RadioButtonWidgetAnnotationElement;
  2843. }();
  2844. var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() {
  2845. function ChoiceWidgetAnnotationElement(parameters) {
  2846. WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
  2847. }
  2848. Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
  2849. render: function ChoiceWidgetAnnotationElement_render() {
  2850. this.container.className = 'choiceWidgetAnnotation';
  2851. var selectElement = document.createElement('select');
  2852. selectElement.disabled = this.data.readOnly;
  2853. if (!this.data.combo) {
  2854. selectElement.size = this.data.options.length;
  2855. if (this.data.multiSelect) {
  2856. selectElement.multiple = true;
  2857. }
  2858. }
  2859. for (var i = 0, ii = this.data.options.length; i < ii; i++) {
  2860. var option = this.data.options[i];
  2861. var optionElement = document.createElement('option');
  2862. optionElement.textContent = option.displayValue;
  2863. optionElement.value = option.exportValue;
  2864. if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
  2865. optionElement.setAttribute('selected', true);
  2866. }
  2867. selectElement.appendChild(optionElement);
  2868. }
  2869. this.container.appendChild(selectElement);
  2870. return this.container;
  2871. }
  2872. });
  2873. return ChoiceWidgetAnnotationElement;
  2874. }();
  2875. var PopupAnnotationElement = function PopupAnnotationElementClosure() {
  2876. function PopupAnnotationElement(parameters) {
  2877. var isRenderable = !!(parameters.data.title || parameters.data.contents);
  2878. AnnotationElement.call(this, parameters, isRenderable);
  2879. }
  2880. Util.inherit(PopupAnnotationElement, AnnotationElement, {
  2881. render: function PopupAnnotationElement_render() {
  2882. this.container.className = 'popupAnnotation';
  2883. var selector = '[data-annotation-id="' + this.data.parentId + '"]';
  2884. var parentElement = this.layer.querySelector(selector);
  2885. if (!parentElement) {
  2886. return this.container;
  2887. }
  2888. var popup = new PopupElement({
  2889. container: this.container,
  2890. trigger: parentElement,
  2891. color: this.data.color,
  2892. title: this.data.title,
  2893. contents: this.data.contents
  2894. });
  2895. var parentLeft = parseFloat(parentElement.style.left);
  2896. var parentWidth = parseFloat(parentElement.style.width);
  2897. CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top);
  2898. this.container.style.left = parentLeft + parentWidth + 'px';
  2899. this.container.appendChild(popup.render());
  2900. return this.container;
  2901. }
  2902. });
  2903. return PopupAnnotationElement;
  2904. }();
  2905. var PopupElement = function PopupElementClosure() {
  2906. var BACKGROUND_ENLIGHT = 0.7;
  2907. function PopupElement(parameters) {
  2908. this.container = parameters.container;
  2909. this.trigger = parameters.trigger;
  2910. this.color = parameters.color;
  2911. this.title = parameters.title;
  2912. this.contents = parameters.contents;
  2913. this.hideWrapper = parameters.hideWrapper || false;
  2914. this.pinned = false;
  2915. }
  2916. PopupElement.prototype = {
  2917. render: function PopupElement_render() {
  2918. var wrapper = document.createElement('div');
  2919. wrapper.className = 'popupWrapper';
  2920. this.hideElement = this.hideWrapper ? wrapper : this.container;
  2921. this.hideElement.setAttribute('hidden', true);
  2922. var popup = document.createElement('div');
  2923. popup.className = 'popup';
  2924. var color = this.color;
  2925. if (color) {
  2926. var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
  2927. var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
  2928. var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
  2929. popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);
  2930. }
  2931. var contents = this._formatContents(this.contents);
  2932. var title = document.createElement('h1');
  2933. title.textContent = this.title;
  2934. this.trigger.addEventListener('click', this._toggle.bind(this));
  2935. this.trigger.addEventListener('mouseover', this._show.bind(this, false));
  2936. this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
  2937. popup.addEventListener('click', this._hide.bind(this, true));
  2938. popup.appendChild(title);
  2939. popup.appendChild(contents);
  2940. wrapper.appendChild(popup);
  2941. return wrapper;
  2942. },
  2943. _formatContents: function PopupElement_formatContents(contents) {
  2944. var p = document.createElement('p');
  2945. var lines = contents.split(/(?:\r\n?|\n)/);
  2946. for (var i = 0, ii = lines.length; i < ii; ++i) {
  2947. var line = lines[i];
  2948. p.appendChild(document.createTextNode(line));
  2949. if (i < ii - 1) {
  2950. p.appendChild(document.createElement('br'));
  2951. }
  2952. }
  2953. return p;
  2954. },
  2955. _toggle: function PopupElement_toggle() {
  2956. if (this.pinned) {
  2957. this._hide(true);
  2958. } else {
  2959. this._show(true);
  2960. }
  2961. },
  2962. _show: function PopupElement_show(pin) {
  2963. if (pin) {
  2964. this.pinned = true;
  2965. }
  2966. if (this.hideElement.hasAttribute('hidden')) {
  2967. this.hideElement.removeAttribute('hidden');
  2968. this.container.style.zIndex += 1;
  2969. }
  2970. },
  2971. _hide: function PopupElement_hide(unpin) {
  2972. if (unpin) {
  2973. this.pinned = false;
  2974. }
  2975. if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
  2976. this.hideElement.setAttribute('hidden', true);
  2977. this.container.style.zIndex -= 1;
  2978. }
  2979. }
  2980. };
  2981. return PopupElement;
  2982. }();
  2983. var HighlightAnnotationElement = function HighlightAnnotationElementClosure() {
  2984. function HighlightAnnotationElement(parameters) {
  2985. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  2986. AnnotationElement.call(this, parameters, isRenderable);
  2987. }
  2988. Util.inherit(HighlightAnnotationElement, AnnotationElement, {
  2989. render: function HighlightAnnotationElement_render() {
  2990. this.container.className = 'highlightAnnotation';
  2991. if (!this.data.hasPopup) {
  2992. this._createPopup(this.container, null, this.data);
  2993. }
  2994. return this.container;
  2995. }
  2996. });
  2997. return HighlightAnnotationElement;
  2998. }();
  2999. var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() {
  3000. function UnderlineAnnotationElement(parameters) {
  3001. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  3002. AnnotationElement.call(this, parameters, isRenderable);
  3003. }
  3004. Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
  3005. render: function UnderlineAnnotationElement_render() {
  3006. this.container.className = 'underlineAnnotation';
  3007. if (!this.data.hasPopup) {
  3008. this._createPopup(this.container, null, this.data);
  3009. }
  3010. return this.container;
  3011. }
  3012. });
  3013. return UnderlineAnnotationElement;
  3014. }();
  3015. var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() {
  3016. function SquigglyAnnotationElement(parameters) {
  3017. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  3018. AnnotationElement.call(this, parameters, isRenderable);
  3019. }
  3020. Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
  3021. render: function SquigglyAnnotationElement_render() {
  3022. this.container.className = 'squigglyAnnotation';
  3023. if (!this.data.hasPopup) {
  3024. this._createPopup(this.container, null, this.data);
  3025. }
  3026. return this.container;
  3027. }
  3028. });
  3029. return SquigglyAnnotationElement;
  3030. }();
  3031. var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() {
  3032. function StrikeOutAnnotationElement(parameters) {
  3033. var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  3034. AnnotationElement.call(this, parameters, isRenderable);
  3035. }
  3036. Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
  3037. render: function StrikeOutAnnotationElement_render() {
  3038. this.container.className = 'strikeoutAnnotation';
  3039. if (!this.data.hasPopup) {
  3040. this._createPopup(this.container, null, this.data);
  3041. }
  3042. return this.container;
  3043. }
  3044. });
  3045. return StrikeOutAnnotationElement;
  3046. }();
  3047. var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() {
  3048. function FileAttachmentAnnotationElement(parameters) {
  3049. AnnotationElement.call(this, parameters, true);
  3050. var file = this.data.file;
  3051. this.filename = getFilenameFromUrl(file.filename);
  3052. this.content = file.content;
  3053. this.linkService.onFileAttachmentAnnotation({
  3054. id: stringToPDFString(file.filename),
  3055. filename: file.filename,
  3056. content: file.content
  3057. });
  3058. }
  3059. Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
  3060. render: function FileAttachmentAnnotationElement_render() {
  3061. this.container.className = 'fileAttachmentAnnotation';
  3062. var trigger = document.createElement('div');
  3063. trigger.style.height = this.container.style.height;
  3064. trigger.style.width = this.container.style.width;
  3065. trigger.addEventListener('dblclick', this._download.bind(this));
  3066. if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
  3067. this._createPopup(this.container, trigger, this.data);
  3068. }
  3069. this.container.appendChild(trigger);
  3070. return this.container;
  3071. },
  3072. _download: function FileAttachmentAnnotationElement_download() {
  3073. if (!this.downloadManager) {
  3074. warn('Download cannot be started due to unavailable download manager');
  3075. return;
  3076. }
  3077. this.downloadManager.downloadData(this.content, this.filename, '');
  3078. }
  3079. });
  3080. return FileAttachmentAnnotationElement;
  3081. }();
  3082. var AnnotationLayer = function AnnotationLayerClosure() {
  3083. return {
  3084. render: function AnnotationLayer_render(parameters) {
  3085. var annotationElementFactory = new AnnotationElementFactory();
  3086. for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
  3087. var data = parameters.annotations[i];
  3088. if (!data) {
  3089. continue;
  3090. }
  3091. var element = annotationElementFactory.create({
  3092. data: data,
  3093. layer: parameters.div,
  3094. page: parameters.page,
  3095. viewport: parameters.viewport,
  3096. linkService: parameters.linkService,
  3097. downloadManager: parameters.downloadManager,
  3098. imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'),
  3099. renderInteractiveForms: parameters.renderInteractiveForms || false
  3100. });
  3101. if (element.isRenderable) {
  3102. parameters.div.appendChild(element.render());
  3103. }
  3104. }
  3105. },
  3106. update: function AnnotationLayer_update(parameters) {
  3107. for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
  3108. var data = parameters.annotations[i];
  3109. var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
  3110. if (element) {
  3111. CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')');
  3112. }
  3113. }
  3114. parameters.div.removeAttribute('hidden');
  3115. }
  3116. };
  3117. }();
  3118. exports.AnnotationLayer = AnnotationLayer;
  3119. /***/ }),
  3120. /* 3 */
  3121. /***/ (function(module, exports, __w_pdfjs_require__) {
  3122. "use strict";
  3123. var sharedUtil = __w_pdfjs_require__(0);
  3124. var displayFontLoader = __w_pdfjs_require__(11);
  3125. var displayCanvas = __w_pdfjs_require__(10);
  3126. var displayMetadata = __w_pdfjs_require__(6);
  3127. var displayDOMUtils = __w_pdfjs_require__(1);
  3128. var amdRequire;
  3129. var InvalidPDFException = sharedUtil.InvalidPDFException;
  3130. var MessageHandler = sharedUtil.MessageHandler;
  3131. var MissingPDFException = sharedUtil.MissingPDFException;
  3132. var PageViewport = sharedUtil.PageViewport;
  3133. var PasswordException = sharedUtil.PasswordException;
  3134. var StatTimer = sharedUtil.StatTimer;
  3135. var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
  3136. var UnknownErrorException = sharedUtil.UnknownErrorException;
  3137. var Util = sharedUtil.Util;
  3138. var createPromiseCapability = sharedUtil.createPromiseCapability;
  3139. var error = sharedUtil.error;
  3140. var deprecated = sharedUtil.deprecated;
  3141. var getVerbosityLevel = sharedUtil.getVerbosityLevel;
  3142. var info = sharedUtil.info;
  3143. var isInt = sharedUtil.isInt;
  3144. var isArray = sharedUtil.isArray;
  3145. var isArrayBuffer = sharedUtil.isArrayBuffer;
  3146. var isSameOrigin = sharedUtil.isSameOrigin;
  3147. var loadJpegStream = sharedUtil.loadJpegStream;
  3148. var stringToBytes = sharedUtil.stringToBytes;
  3149. var globalScope = sharedUtil.globalScope;
  3150. var warn = sharedUtil.warn;
  3151. var FontFaceObject = displayFontLoader.FontFaceObject;
  3152. var FontLoader = displayFontLoader.FontLoader;
  3153. var CanvasGraphics = displayCanvas.CanvasGraphics;
  3154. var Metadata = displayMetadata.Metadata;
  3155. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  3156. var DOMCanvasFactory = displayDOMUtils.DOMCanvasFactory;
  3157. var DEFAULT_RANGE_CHUNK_SIZE = 65536;
  3158. var isWorkerDisabled = false;
  3159. var workerSrc;
  3160. var isPostMessageTransfersDisabled = false;
  3161. var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  3162. var fakeWorkerFilesLoader = null;
  3163. var useRequireEnsure = false;
  3164. if (typeof __pdfjsdev_webpack__ === 'undefined') {
  3165. if (typeof window === 'undefined') {
  3166. isWorkerDisabled = true;
  3167. if (typeof require.ensure === 'undefined') {
  3168. require.ensure = require('node-ensure');
  3169. }
  3170. useRequireEnsure = true;
  3171. } else if (typeof require !== 'undefined' && typeof require.ensure === 'function') {
  3172. useRequireEnsure = true;
  3173. }
  3174. if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
  3175. workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
  3176. }
  3177. var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
  3178. fakeWorkerFilesLoader = useRequireEnsure ? function (callback) {
  3179. require.ensure([], function () {
  3180. var worker = require('./pdf.worker.js');
  3181. callback(worker.WorkerMessageHandler);
  3182. });
  3183. } : dynamicLoaderSupported ? function (callback) {
  3184. requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
  3185. callback(worker.WorkerMessageHandler);
  3186. });
  3187. } : null;
  3188. }
  3189. function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) {
  3190. var task = new PDFDocumentLoadingTask();
  3191. if (arguments.length > 1) {
  3192. deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument');
  3193. }
  3194. if (pdfDataRangeTransport) {
  3195. if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
  3196. pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
  3197. pdfDataRangeTransport.length = src.length;
  3198. pdfDataRangeTransport.initialData = src.initialData;
  3199. if (!pdfDataRangeTransport.abort) {
  3200. pdfDataRangeTransport.abort = function () {
  3201. };
  3202. }
  3203. }
  3204. src = Object.create(src);
  3205. src.range = pdfDataRangeTransport;
  3206. }
  3207. task.onPassword = passwordCallback || null;
  3208. task.onProgress = progressCallback || null;
  3209. var source;
  3210. if (typeof src === 'string') {
  3211. source = { url: src };
  3212. } else if (isArrayBuffer(src)) {
  3213. source = { data: src };
  3214. } else if (src instanceof PDFDataRangeTransport) {
  3215. source = { range: src };
  3216. } else {
  3217. if (typeof src !== 'object') {
  3218. error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object');
  3219. }
  3220. if (!src.url && !src.data && !src.range) {
  3221. error('Invalid parameter object: need either .data, .range or .url');
  3222. }
  3223. source = src;
  3224. }
  3225. var params = {};
  3226. var rangeTransport = null;
  3227. var worker = null;
  3228. for (var key in source) {
  3229. if (key === 'url' && typeof window !== 'undefined') {
  3230. params[key] = new URL(source[key], window.location).href;
  3231. continue;
  3232. } else if (key === 'range') {
  3233. rangeTransport = source[key];
  3234. continue;
  3235. } else if (key === 'worker') {
  3236. worker = source[key];
  3237. continue;
  3238. } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
  3239. var pdfBytes = source[key];
  3240. if (typeof pdfBytes === 'string') {
  3241. params[key] = stringToBytes(pdfBytes);
  3242. } else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
  3243. params[key] = new Uint8Array(pdfBytes);
  3244. } else if (isArrayBuffer(pdfBytes)) {
  3245. params[key] = new Uint8Array(pdfBytes);
  3246. } else {
  3247. error('Invalid PDF binary data: either typed array, string or ' + 'array-like object is expected in the data property.');
  3248. }
  3249. continue;
  3250. }
  3251. params[key] = source[key];
  3252. }
  3253. params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
  3254. params.disableNativeImageDecoder = params.disableNativeImageDecoder === true;
  3255. if (!worker) {
  3256. worker = new PDFWorker();
  3257. task._worker = worker;
  3258. }
  3259. var docId = task.docId;
  3260. worker.promise.then(function () {
  3261. if (task.destroyed) {
  3262. throw new Error('Loading aborted');
  3263. }
  3264. return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
  3265. if (task.destroyed) {
  3266. throw new Error('Loading aborted');
  3267. }
  3268. var messageHandler = new MessageHandler(docId, workerId, worker.port);
  3269. var transport = new WorkerTransport(messageHandler, task, rangeTransport);
  3270. task._transport = transport;
  3271. messageHandler.send('Ready', null);
  3272. });
  3273. }).catch(task._capability.reject);
  3274. return task;
  3275. }
  3276. function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
  3277. if (worker.destroyed) {
  3278. return Promise.reject(new Error('Worker was destroyed'));
  3279. }
  3280. source.disableAutoFetch = getDefaultSetting('disableAutoFetch');
  3281. source.disableStream = getDefaultSetting('disableStream');
  3282. source.chunkedViewerLoading = !!pdfDataRangeTransport;
  3283. if (pdfDataRangeTransport) {
  3284. source.length = pdfDataRangeTransport.length;
  3285. source.initialData = pdfDataRangeTransport.initialData;
  3286. }
  3287. return worker.messageHandler.sendWithPromise('GetDocRequest', {
  3288. docId: docId,
  3289. source: source,
  3290. disableRange: getDefaultSetting('disableRange'),
  3291. maxImageSize: getDefaultSetting('maxImageSize'),
  3292. cMapUrl: getDefaultSetting('cMapUrl'),
  3293. cMapPacked: getDefaultSetting('cMapPacked'),
  3294. disableFontFace: getDefaultSetting('disableFontFace'),
  3295. disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),
  3296. postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled,
  3297. docBaseUrl: source.docBaseUrl,
  3298. disableNativeImageDecoder: source.disableNativeImageDecoder
  3299. }).then(function (workerId) {
  3300. if (worker.destroyed) {
  3301. throw new Error('Worker was destroyed');
  3302. }
  3303. return workerId;
  3304. });
  3305. }
  3306. var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
  3307. var nextDocumentId = 0;
  3308. function PDFDocumentLoadingTask() {
  3309. this._capability = createPromiseCapability();
  3310. this._transport = null;
  3311. this._worker = null;
  3312. this.docId = 'd' + nextDocumentId++;
  3313. this.destroyed = false;
  3314. this.onPassword = null;
  3315. this.onProgress = null;
  3316. this.onUnsupportedFeature = null;
  3317. }
  3318. PDFDocumentLoadingTask.prototype = {
  3319. get promise() {
  3320. return this._capability.promise;
  3321. },
  3322. destroy: function () {
  3323. this.destroyed = true;
  3324. var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
  3325. return transportDestroyed.then(function () {
  3326. this._transport = null;
  3327. if (this._worker) {
  3328. this._worker.destroy();
  3329. this._worker = null;
  3330. }
  3331. }.bind(this));
  3332. },
  3333. then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
  3334. return this.promise.then.apply(this.promise, arguments);
  3335. }
  3336. };
  3337. return PDFDocumentLoadingTask;
  3338. }();
  3339. var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
  3340. function PDFDataRangeTransport(length, initialData) {
  3341. this.length = length;
  3342. this.initialData = initialData;
  3343. this._rangeListeners = [];
  3344. this._progressListeners = [];
  3345. this._progressiveReadListeners = [];
  3346. this._readyCapability = createPromiseCapability();
  3347. }
  3348. PDFDataRangeTransport.prototype = {
  3349. addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
  3350. this._rangeListeners.push(listener);
  3351. },
  3352. addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
  3353. this._progressListeners.push(listener);
  3354. },
  3355. addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
  3356. this._progressiveReadListeners.push(listener);
  3357. },
  3358. onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
  3359. var listeners = this._rangeListeners;
  3360. for (var i = 0, n = listeners.length; i < n; ++i) {
  3361. listeners[i](begin, chunk);
  3362. }
  3363. },
  3364. onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
  3365. this._readyCapability.promise.then(function () {
  3366. var listeners = this._progressListeners;
  3367. for (var i = 0, n = listeners.length; i < n; ++i) {
  3368. listeners[i](loaded);
  3369. }
  3370. }.bind(this));
  3371. },
  3372. onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
  3373. this._readyCapability.promise.then(function () {
  3374. var listeners = this._progressiveReadListeners;
  3375. for (var i = 0, n = listeners.length; i < n; ++i) {
  3376. listeners[i](chunk);
  3377. }
  3378. }.bind(this));
  3379. },
  3380. transportReady: function PDFDataRangeTransport_transportReady() {
  3381. this._readyCapability.resolve();
  3382. },
  3383. requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
  3384. throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
  3385. },
  3386. abort: function PDFDataRangeTransport_abort() {
  3387. }
  3388. };
  3389. return PDFDataRangeTransport;
  3390. }();
  3391. var PDFDocumentProxy = function PDFDocumentProxyClosure() {
  3392. function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
  3393. this.pdfInfo = pdfInfo;
  3394. this.transport = transport;
  3395. this.loadingTask = loadingTask;
  3396. }
  3397. PDFDocumentProxy.prototype = {
  3398. get numPages() {
  3399. return this.pdfInfo.numPages;
  3400. },
  3401. get fingerprint() {
  3402. return this.pdfInfo.fingerprint;
  3403. },
  3404. getPage: function PDFDocumentProxy_getPage(pageNumber) {
  3405. return this.transport.getPage(pageNumber);
  3406. },
  3407. getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
  3408. return this.transport.getPageIndex(ref);
  3409. },
  3410. getDestinations: function PDFDocumentProxy_getDestinations() {
  3411. return this.transport.getDestinations();
  3412. },
  3413. getDestination: function PDFDocumentProxy_getDestination(id) {
  3414. return this.transport.getDestination(id);
  3415. },
  3416. getPageLabels: function PDFDocumentProxy_getPageLabels() {
  3417. return this.transport.getPageLabels();
  3418. },
  3419. getAttachments: function PDFDocumentProxy_getAttachments() {
  3420. return this.transport.getAttachments();
  3421. },
  3422. getJavaScript: function PDFDocumentProxy_getJavaScript() {
  3423. return this.transport.getJavaScript();
  3424. },
  3425. getOutline: function PDFDocumentProxy_getOutline() {
  3426. return this.transport.getOutline();
  3427. },
  3428. getMetadata: function PDFDocumentProxy_getMetadata() {
  3429. return this.transport.getMetadata();
  3430. },
  3431. getData: function PDFDocumentProxy_getData() {
  3432. return this.transport.getData();
  3433. },
  3434. getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
  3435. return this.transport.downloadInfoCapability.promise;
  3436. },
  3437. getStats: function PDFDocumentProxy_getStats() {
  3438. return this.transport.getStats();
  3439. },
  3440. cleanup: function PDFDocumentProxy_cleanup() {
  3441. this.transport.startCleanup();
  3442. },
  3443. destroy: function PDFDocumentProxy_destroy() {
  3444. return this.loadingTask.destroy();
  3445. }
  3446. };
  3447. return PDFDocumentProxy;
  3448. }();
  3449. var PDFPageProxy = function PDFPageProxyClosure() {
  3450. function PDFPageProxy(pageIndex, pageInfo, transport) {
  3451. this.pageIndex = pageIndex;
  3452. this.pageInfo = pageInfo;
  3453. this.transport = transport;
  3454. this.stats = new StatTimer();
  3455. this.stats.enabled = getDefaultSetting('enableStats');
  3456. this.commonObjs = transport.commonObjs;
  3457. this.objs = new PDFObjects();
  3458. this.cleanupAfterRender = false;
  3459. this.pendingCleanup = false;
  3460. this.intentStates = Object.create(null);
  3461. this.destroyed = false;
  3462. }
  3463. PDFPageProxy.prototype = {
  3464. get pageNumber() {
  3465. return this.pageIndex + 1;
  3466. },
  3467. get rotate() {
  3468. return this.pageInfo.rotate;
  3469. },
  3470. get ref() {
  3471. return this.pageInfo.ref;
  3472. },
  3473. get userUnit() {
  3474. return this.pageInfo.userUnit;
  3475. },
  3476. get view() {
  3477. return this.pageInfo.view;
  3478. },
  3479. getViewport: function PDFPageProxy_getViewport(scale, rotate) {
  3480. if (arguments.length < 2) {
  3481. rotate = this.rotate;
  3482. }
  3483. return new PageViewport(this.view, scale, rotate, 0, 0);
  3484. },
  3485. getAnnotations: function PDFPageProxy_getAnnotations(params) {
  3486. var intent = params && params.intent || null;
  3487. if (!this.annotationsPromise || this.annotationsIntent !== intent) {
  3488. this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
  3489. this.annotationsIntent = intent;
  3490. }
  3491. return this.annotationsPromise;
  3492. },
  3493. render: function PDFPageProxy_render(params) {
  3494. var stats = this.stats;
  3495. stats.time('Overall');
  3496. this.pendingCleanup = false;
  3497. var renderingIntent = params.intent === 'print' ? 'print' : 'display';
  3498. var renderInteractiveForms = params.renderInteractiveForms === true ? true : false;
  3499. var canvasFactory = params.canvasFactory || new DOMCanvasFactory();
  3500. if (!this.intentStates[renderingIntent]) {
  3501. this.intentStates[renderingIntent] = Object.create(null);
  3502. }
  3503. var intentState = this.intentStates[renderingIntent];
  3504. if (!intentState.displayReadyCapability) {
  3505. intentState.receivingOperatorList = true;
  3506. intentState.displayReadyCapability = createPromiseCapability();
  3507. intentState.operatorList = {
  3508. fnArray: [],
  3509. argsArray: [],
  3510. lastChunk: false
  3511. };
  3512. this.stats.time('Page Request');
  3513. this.transport.messageHandler.send('RenderPageRequest', {
  3514. pageIndex: this.pageNumber - 1,
  3515. intent: renderingIntent,
  3516. renderInteractiveForms: renderInteractiveForms
  3517. });
  3518. }
  3519. var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory);
  3520. internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
  3521. if (!intentState.renderTasks) {
  3522. intentState.renderTasks = [];
  3523. }
  3524. intentState.renderTasks.push(internalRenderTask);
  3525. var renderTask = internalRenderTask.task;
  3526. if (params.continueCallback) {
  3527. deprecated('render is used with continueCallback parameter');
  3528. renderTask.onContinue = params.continueCallback;
  3529. }
  3530. var self = this;
  3531. intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) {
  3532. if (self.pendingCleanup) {
  3533. complete();
  3534. return;
  3535. }
  3536. stats.time('Rendering');
  3537. internalRenderTask.initializeGraphics(transparency);
  3538. internalRenderTask.operatorListChanged();
  3539. }, function pageDisplayReadPromiseError(reason) {
  3540. complete(reason);
  3541. });
  3542. function complete(error) {
  3543. var i = intentState.renderTasks.indexOf(internalRenderTask);
  3544. if (i >= 0) {
  3545. intentState.renderTasks.splice(i, 1);
  3546. }
  3547. if (self.cleanupAfterRender) {
  3548. self.pendingCleanup = true;
  3549. }
  3550. self._tryCleanup();
  3551. if (error) {
  3552. internalRenderTask.capability.reject(error);
  3553. } else {
  3554. internalRenderTask.capability.resolve();
  3555. }
  3556. stats.timeEnd('Rendering');
  3557. stats.timeEnd('Overall');
  3558. }
  3559. return renderTask;
  3560. },
  3561. getOperatorList: function PDFPageProxy_getOperatorList() {
  3562. function operatorListChanged() {
  3563. if (intentState.operatorList.lastChunk) {
  3564. intentState.opListReadCapability.resolve(intentState.operatorList);
  3565. var i = intentState.renderTasks.indexOf(opListTask);
  3566. if (i >= 0) {
  3567. intentState.renderTasks.splice(i, 1);
  3568. }
  3569. }
  3570. }
  3571. var renderingIntent = 'oplist';
  3572. if (!this.intentStates[renderingIntent]) {
  3573. this.intentStates[renderingIntent] = Object.create(null);
  3574. }
  3575. var intentState = this.intentStates[renderingIntent];
  3576. var opListTask;
  3577. if (!intentState.opListReadCapability) {
  3578. opListTask = {};
  3579. opListTask.operatorListChanged = operatorListChanged;
  3580. intentState.receivingOperatorList = true;
  3581. intentState.opListReadCapability = createPromiseCapability();
  3582. intentState.renderTasks = [];
  3583. intentState.renderTasks.push(opListTask);
  3584. intentState.operatorList = {
  3585. fnArray: [],
  3586. argsArray: [],
  3587. lastChunk: false
  3588. };
  3589. this.transport.messageHandler.send('RenderPageRequest', {
  3590. pageIndex: this.pageIndex,
  3591. intent: renderingIntent
  3592. });
  3593. }
  3594. return intentState.opListReadCapability.promise;
  3595. },
  3596. getTextContent: function PDFPageProxy_getTextContent(params) {
  3597. return this.transport.messageHandler.sendWithPromise('GetTextContent', {
  3598. pageIndex: this.pageNumber - 1,
  3599. normalizeWhitespace: params && params.normalizeWhitespace === true ? true : false,
  3600. combineTextItems: params && params.disableCombineTextItems === true ? false : true
  3601. });
  3602. },
  3603. _destroy: function PDFPageProxy_destroy() {
  3604. this.destroyed = true;
  3605. this.transport.pageCache[this.pageIndex] = null;
  3606. var waitOn = [];
  3607. Object.keys(this.intentStates).forEach(function (intent) {
  3608. if (intent === 'oplist') {
  3609. return;
  3610. }
  3611. var intentState = this.intentStates[intent];
  3612. intentState.renderTasks.forEach(function (renderTask) {
  3613. var renderCompleted = renderTask.capability.promise.catch(function () {
  3614. });
  3615. waitOn.push(renderCompleted);
  3616. renderTask.cancel();
  3617. });
  3618. }, this);
  3619. this.objs.clear();
  3620. this.annotationsPromise = null;
  3621. this.pendingCleanup = false;
  3622. return Promise.all(waitOn);
  3623. },
  3624. destroy: function () {
  3625. deprecated('page destroy method, use cleanup() instead');
  3626. this.cleanup();
  3627. },
  3628. cleanup: function PDFPageProxy_cleanup() {
  3629. this.pendingCleanup = true;
  3630. this._tryCleanup();
  3631. },
  3632. _tryCleanup: function PDFPageProxy_tryCleanup() {
  3633. if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
  3634. var intentState = this.intentStates[intent];
  3635. return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
  3636. }, this)) {
  3637. return;
  3638. }
  3639. Object.keys(this.intentStates).forEach(function (intent) {
  3640. delete this.intentStates[intent];
  3641. }, this);
  3642. this.objs.clear();
  3643. this.annotationsPromise = null;
  3644. this.pendingCleanup = false;
  3645. },
  3646. _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
  3647. var intentState = this.intentStates[intent];
  3648. if (intentState.displayReadyCapability) {
  3649. intentState.displayReadyCapability.resolve(transparency);
  3650. }
  3651. },
  3652. _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
  3653. var intentState = this.intentStates[intent];
  3654. var i, ii;
  3655. for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
  3656. intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
  3657. intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
  3658. }
  3659. intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
  3660. for (i = 0; i < intentState.renderTasks.length; i++) {
  3661. intentState.renderTasks[i].operatorListChanged();
  3662. }
  3663. if (operatorListChunk.lastChunk) {
  3664. intentState.receivingOperatorList = false;
  3665. this._tryCleanup();
  3666. }
  3667. }
  3668. };
  3669. return PDFPageProxy;
  3670. }();
  3671. var PDFWorker = function PDFWorkerClosure() {
  3672. var nextFakeWorkerId = 0;
  3673. function getWorkerSrc() {
  3674. if (typeof workerSrc !== 'undefined') {
  3675. return workerSrc;
  3676. }
  3677. if (getDefaultSetting('workerSrc')) {
  3678. return getDefaultSetting('workerSrc');
  3679. }
  3680. if (pdfjsFilePath) {
  3681. return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
  3682. }
  3683. error('No PDFJS.workerSrc specified');
  3684. }
  3685. var fakeWorkerFilesLoadedCapability;
  3686. function setupFakeWorkerGlobal() {
  3687. var WorkerMessageHandler;
  3688. if (fakeWorkerFilesLoadedCapability) {
  3689. return fakeWorkerFilesLoadedCapability.promise;
  3690. }
  3691. fakeWorkerFilesLoadedCapability = createPromiseCapability();
  3692. var loader = fakeWorkerFilesLoader || function (callback) {
  3693. Util.loadScript(getWorkerSrc(), function () {
  3694. callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
  3695. });
  3696. };
  3697. loader(fakeWorkerFilesLoadedCapability.resolve);
  3698. return fakeWorkerFilesLoadedCapability.promise;
  3699. }
  3700. function FakeWorkerPort(defer) {
  3701. this._listeners = [];
  3702. this._defer = defer;
  3703. this._deferred = Promise.resolve(undefined);
  3704. }
  3705. FakeWorkerPort.prototype = {
  3706. postMessage: function (obj, transfers) {
  3707. function cloneValue(value) {
  3708. if (typeof value !== 'object' || value === null) {
  3709. return value;
  3710. }
  3711. if (cloned.has(value)) {
  3712. return cloned.get(value);
  3713. }
  3714. var result;
  3715. var buffer;
  3716. if ((buffer = value.buffer) && isArrayBuffer(buffer)) {
  3717. var transferable = transfers && transfers.indexOf(buffer) >= 0;
  3718. if (value === buffer) {
  3719. result = value;
  3720. } else if (transferable) {
  3721. result = new value.constructor(buffer, value.byteOffset, value.byteLength);
  3722. } else {
  3723. result = new value.constructor(value);
  3724. }
  3725. cloned.set(value, result);
  3726. return result;
  3727. }
  3728. result = isArray(value) ? [] : {};
  3729. cloned.set(value, result);
  3730. for (var i in value) {
  3731. var desc, p = value;
  3732. while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
  3733. p = Object.getPrototypeOf(p);
  3734. }
  3735. if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
  3736. continue;
  3737. }
  3738. result[i] = cloneValue(desc.value);
  3739. }
  3740. return result;
  3741. }
  3742. if (!this._defer) {
  3743. this._listeners.forEach(function (listener) {
  3744. listener.call(this, { data: obj });
  3745. }, this);
  3746. return;
  3747. }
  3748. var cloned = new WeakMap();
  3749. var e = { data: cloneValue(obj) };
  3750. this._deferred.then(function () {
  3751. this._listeners.forEach(function (listener) {
  3752. listener.call(this, e);
  3753. }, this);
  3754. }.bind(this));
  3755. },
  3756. addEventListener: function (name, listener) {
  3757. this._listeners.push(listener);
  3758. },
  3759. removeEventListener: function (name, listener) {
  3760. var i = this._listeners.indexOf(listener);
  3761. this._listeners.splice(i, 1);
  3762. },
  3763. terminate: function () {
  3764. this._listeners = [];
  3765. }
  3766. };
  3767. function createCDNWrapper(url) {
  3768. var wrapper = 'importScripts(\'' + url + '\');';
  3769. return URL.createObjectURL(new Blob([wrapper]));
  3770. }
  3771. function PDFWorker(name) {
  3772. this.name = name;
  3773. this.destroyed = false;
  3774. this._readyCapability = createPromiseCapability();
  3775. this._port = null;
  3776. this._webWorker = null;
  3777. this._messageHandler = null;
  3778. this._initialize();
  3779. }
  3780. PDFWorker.prototype = {
  3781. get promise() {
  3782. return this._readyCapability.promise;
  3783. },
  3784. get port() {
  3785. return this._port;
  3786. },
  3787. get messageHandler() {
  3788. return this._messageHandler;
  3789. },
  3790. _initialize: function PDFWorker_initialize() {
  3791. if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') {
  3792. var workerSrc = getWorkerSrc();
  3793. try {
  3794. if (!isSameOrigin(window.location.href, workerSrc)) {
  3795. workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
  3796. }
  3797. var worker = new Worker(workerSrc);
  3798. var messageHandler = new MessageHandler('main', 'worker', worker);
  3799. var terminateEarly = function () {
  3800. worker.removeEventListener('error', onWorkerError);
  3801. messageHandler.destroy();
  3802. worker.terminate();
  3803. if (this.destroyed) {
  3804. this._readyCapability.reject(new Error('Worker was destroyed'));
  3805. } else {
  3806. this._setupFakeWorker();
  3807. }
  3808. }.bind(this);
  3809. var onWorkerError = function (event) {
  3810. if (!this._webWorker) {
  3811. terminateEarly();
  3812. }
  3813. }.bind(this);
  3814. worker.addEventListener('error', onWorkerError);
  3815. messageHandler.on('test', function PDFWorker_test(data) {
  3816. worker.removeEventListener('error', onWorkerError);
  3817. if (this.destroyed) {
  3818. terminateEarly();
  3819. return;
  3820. }
  3821. var supportTypedArray = data && data.supportTypedArray;
  3822. if (supportTypedArray) {
  3823. this._messageHandler = messageHandler;
  3824. this._port = worker;
  3825. this._webWorker = worker;
  3826. if (!data.supportTransfers) {
  3827. isPostMessageTransfersDisabled = true;
  3828. }
  3829. this._readyCapability.resolve();
  3830. messageHandler.send('configure', { verbosity: getVerbosityLevel() });
  3831. } else {
  3832. this._setupFakeWorker();
  3833. messageHandler.destroy();
  3834. worker.terminate();
  3835. }
  3836. }.bind(this));
  3837. messageHandler.on('console_log', function (data) {
  3838. console.log.apply(console, data);
  3839. });
  3840. messageHandler.on('console_error', function (data) {
  3841. console.error.apply(console, data);
  3842. });
  3843. messageHandler.on('ready', function (data) {
  3844. worker.removeEventListener('error', onWorkerError);
  3845. if (this.destroyed) {
  3846. terminateEarly();
  3847. return;
  3848. }
  3849. try {
  3850. sendTest();
  3851. } catch (e) {
  3852. this._setupFakeWorker();
  3853. }
  3854. }.bind(this));
  3855. var sendTest = function () {
  3856. var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled;
  3857. var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
  3858. try {
  3859. messageHandler.send('test', testObj, [testObj.buffer]);
  3860. } catch (ex) {
  3861. info('Cannot use postMessage transfers');
  3862. testObj[0] = 0;
  3863. messageHandler.send('test', testObj);
  3864. }
  3865. };
  3866. sendTest();
  3867. return;
  3868. } catch (e) {
  3869. info('The worker has been disabled.');
  3870. }
  3871. }
  3872. this._setupFakeWorker();
  3873. },
  3874. _setupFakeWorker: function PDFWorker_setupFakeWorker() {
  3875. if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {
  3876. warn('Setting up fake worker.');
  3877. isWorkerDisabled = true;
  3878. }
  3879. setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
  3880. if (this.destroyed) {
  3881. this._readyCapability.reject(new Error('Worker was destroyed'));
  3882. return;
  3883. }
  3884. var isTypedArraysPresent = Uint8Array !== Float32Array;
  3885. var port = new FakeWorkerPort(isTypedArraysPresent);
  3886. this._port = port;
  3887. var id = 'fake' + nextFakeWorkerId++;
  3888. var workerHandler = new MessageHandler(id + '_worker', id, port);
  3889. WorkerMessageHandler.setup(workerHandler, port);
  3890. var messageHandler = new MessageHandler(id, id + '_worker', port);
  3891. this._messageHandler = messageHandler;
  3892. this._readyCapability.resolve();
  3893. }.bind(this));
  3894. },
  3895. destroy: function PDFWorker_destroy() {
  3896. this.destroyed = true;
  3897. if (this._webWorker) {
  3898. this._webWorker.terminate();
  3899. this._webWorker = null;
  3900. }
  3901. this._port = null;
  3902. if (this._messageHandler) {
  3903. this._messageHandler.destroy();
  3904. this._messageHandler = null;
  3905. }
  3906. }
  3907. };
  3908. return PDFWorker;
  3909. }();
  3910. var WorkerTransport = function WorkerTransportClosure() {
  3911. function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) {
  3912. this.messageHandler = messageHandler;
  3913. this.loadingTask = loadingTask;
  3914. this.pdfDataRangeTransport = pdfDataRangeTransport;
  3915. this.commonObjs = new PDFObjects();
  3916. this.fontLoader = new FontLoader(loadingTask.docId);
  3917. this.destroyed = false;
  3918. this.destroyCapability = null;
  3919. this._passwordCapability = null;
  3920. this.pageCache = [];
  3921. this.pagePromises = [];
  3922. this.downloadInfoCapability = createPromiseCapability();
  3923. this.setupMessageHandler();
  3924. }
  3925. WorkerTransport.prototype = {
  3926. destroy: function WorkerTransport_destroy() {
  3927. if (this.destroyCapability) {
  3928. return this.destroyCapability.promise;
  3929. }
  3930. this.destroyed = true;
  3931. this.destroyCapability = createPromiseCapability();
  3932. if (this._passwordCapability) {
  3933. this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
  3934. }
  3935. var waitOn = [];
  3936. this.pageCache.forEach(function (page) {
  3937. if (page) {
  3938. waitOn.push(page._destroy());
  3939. }
  3940. });
  3941. this.pageCache = [];
  3942. this.pagePromises = [];
  3943. var self = this;
  3944. var terminated = this.messageHandler.sendWithPromise('Terminate', null);
  3945. waitOn.push(terminated);
  3946. Promise.all(waitOn).then(function () {
  3947. self.fontLoader.clear();
  3948. if (self.pdfDataRangeTransport) {
  3949. self.pdfDataRangeTransport.abort();
  3950. self.pdfDataRangeTransport = null;
  3951. }
  3952. if (self.messageHandler) {
  3953. self.messageHandler.destroy();
  3954. self.messageHandler = null;
  3955. }
  3956. self.destroyCapability.resolve();
  3957. }, this.destroyCapability.reject);
  3958. return this.destroyCapability.promise;
  3959. },
  3960. setupMessageHandler: function WorkerTransport_setupMessageHandler() {
  3961. var messageHandler = this.messageHandler;
  3962. var loadingTask = this.loadingTask;
  3963. var pdfDataRangeTransport = this.pdfDataRangeTransport;
  3964. if (pdfDataRangeTransport) {
  3965. pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
  3966. messageHandler.send('OnDataRange', {
  3967. begin: begin,
  3968. chunk: chunk
  3969. });
  3970. });
  3971. pdfDataRangeTransport.addProgressListener(function (loaded) {
  3972. messageHandler.send('OnDataProgress', { loaded: loaded });
  3973. });
  3974. pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
  3975. messageHandler.send('OnDataRange', { chunk: chunk });
  3976. });
  3977. messageHandler.on('RequestDataRange', function transportDataRange(data) {
  3978. pdfDataRangeTransport.requestDataRange(data.begin, data.end);
  3979. }, this);
  3980. }
  3981. messageHandler.on('GetDoc', function transportDoc(data) {
  3982. var pdfInfo = data.pdfInfo;
  3983. this.numPages = data.pdfInfo.numPages;
  3984. var loadingTask = this.loadingTask;
  3985. var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
  3986. this.pdfDocument = pdfDocument;
  3987. loadingTask._capability.resolve(pdfDocument);
  3988. }, this);
  3989. messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) {
  3990. this._passwordCapability = createPromiseCapability();
  3991. if (loadingTask.onPassword) {
  3992. var updatePassword = function (password) {
  3993. this._passwordCapability.resolve({ password: password });
  3994. }.bind(this);
  3995. loadingTask.onPassword(updatePassword, exception.code);
  3996. } else {
  3997. this._passwordCapability.reject(new PasswordException(exception.message, exception.code));
  3998. }
  3999. return this._passwordCapability.promise;
  4000. }, this);
  4001. messageHandler.on('PasswordException', function transportPasswordException(exception) {
  4002. loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
  4003. }, this);
  4004. messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
  4005. this.loadingTask._capability.reject(new InvalidPDFException(exception.message));
  4006. }, this);
  4007. messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
  4008. this.loadingTask._capability.reject(new MissingPDFException(exception.message));
  4009. }, this);
  4010. messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
  4011. this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status));
  4012. }, this);
  4013. messageHandler.on('UnknownError', function transportUnknownError(exception) {
  4014. this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details));
  4015. }, this);
  4016. messageHandler.on('DataLoaded', function transportPage(data) {
  4017. this.downloadInfoCapability.resolve(data);
  4018. }, this);
  4019. messageHandler.on('PDFManagerReady', function transportPage(data) {
  4020. if (this.pdfDataRangeTransport) {
  4021. this.pdfDataRangeTransport.transportReady();
  4022. }
  4023. }, this);
  4024. messageHandler.on('StartRenderPage', function transportRender(data) {
  4025. if (this.destroyed) {
  4026. return;
  4027. }
  4028. var page = this.pageCache[data.pageIndex];
  4029. page.stats.timeEnd('Page Request');
  4030. page._startRenderPage(data.transparency, data.intent);
  4031. }, this);
  4032. messageHandler.on('RenderPageChunk', function transportRender(data) {
  4033. if (this.destroyed) {
  4034. return;
  4035. }
  4036. var page = this.pageCache[data.pageIndex];
  4037. page._renderPageChunk(data.operatorList, data.intent);
  4038. }, this);
  4039. messageHandler.on('commonobj', function transportObj(data) {
  4040. if (this.destroyed) {
  4041. return;
  4042. }
  4043. var id = data[0];
  4044. var type = data[1];
  4045. if (this.commonObjs.hasData(id)) {
  4046. return;
  4047. }
  4048. switch (type) {
  4049. case 'Font':
  4050. var exportedData = data[2];
  4051. if ('error' in exportedData) {
  4052. var exportedError = exportedData.error;
  4053. warn('Error during font loading: ' + exportedError);
  4054. this.commonObjs.resolve(id, exportedError);
  4055. break;
  4056. }
  4057. var fontRegistry = null;
  4058. if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) {
  4059. fontRegistry = {
  4060. registerFont: function (font, url) {
  4061. globalScope['FontInspector'].fontAdded(font, url);
  4062. }
  4063. };
  4064. }
  4065. var font = new FontFaceObject(exportedData, {
  4066. isEvalSuported: getDefaultSetting('isEvalSupported'),
  4067. disableFontFace: getDefaultSetting('disableFontFace'),
  4068. fontRegistry: fontRegistry
  4069. });
  4070. this.fontLoader.bind([font], function fontReady(fontObjs) {
  4071. this.commonObjs.resolve(id, font);
  4072. }.bind(this));
  4073. break;
  4074. case 'FontPath':
  4075. this.commonObjs.resolve(id, data[2]);
  4076. break;
  4077. default:
  4078. error('Got unknown common object type ' + type);
  4079. }
  4080. }, this);
  4081. messageHandler.on('obj', function transportObj(data) {
  4082. if (this.destroyed) {
  4083. return;
  4084. }
  4085. var id = data[0];
  4086. var pageIndex = data[1];
  4087. var type = data[2];
  4088. var pageProxy = this.pageCache[pageIndex];
  4089. var imageData;
  4090. if (pageProxy.objs.hasData(id)) {
  4091. return;
  4092. }
  4093. switch (type) {
  4094. case 'JpegStream':
  4095. imageData = data[3];
  4096. loadJpegStream(id, imageData, pageProxy.objs);
  4097. break;
  4098. case 'Image':
  4099. imageData = data[3];
  4100. pageProxy.objs.resolve(id, imageData);
  4101. var MAX_IMAGE_SIZE_TO_STORE = 8000000;
  4102. if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
  4103. pageProxy.cleanupAfterRender = true;
  4104. }
  4105. break;
  4106. default:
  4107. error('Got unknown object type ' + type);
  4108. }
  4109. }, this);
  4110. messageHandler.on('DocProgress', function transportDocProgress(data) {
  4111. if (this.destroyed) {
  4112. return;
  4113. }
  4114. var loadingTask = this.loadingTask;
  4115. if (loadingTask.onProgress) {
  4116. loadingTask.onProgress({
  4117. loaded: data.loaded,
  4118. total: data.total
  4119. });
  4120. }
  4121. }, this);
  4122. messageHandler.on('PageError', function transportError(data) {
  4123. if (this.destroyed) {
  4124. return;
  4125. }
  4126. var page = this.pageCache[data.pageNum - 1];
  4127. var intentState = page.intentStates[data.intent];
  4128. if (intentState.displayReadyCapability) {
  4129. intentState.displayReadyCapability.reject(data.error);
  4130. } else {
  4131. error(data.error);
  4132. }
  4133. if (intentState.operatorList) {
  4134. intentState.operatorList.lastChunk = true;
  4135. for (var i = 0; i < intentState.renderTasks.length; i++) {
  4136. intentState.renderTasks[i].operatorListChanged();
  4137. }
  4138. }
  4139. }, this);
  4140. messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) {
  4141. if (this.destroyed) {
  4142. return;
  4143. }
  4144. var featureId = data.featureId;
  4145. var loadingTask = this.loadingTask;
  4146. if (loadingTask.onUnsupportedFeature) {
  4147. loadingTask.onUnsupportedFeature(featureId);
  4148. }
  4149. _UnsupportedManager.notify(featureId);
  4150. }, this);
  4151. messageHandler.on('JpegDecode', function (data) {
  4152. if (this.destroyed) {
  4153. return Promise.reject(new Error('Worker was destroyed'));
  4154. }
  4155. if (typeof document === 'undefined') {
  4156. return Promise.reject(new Error('"document" is not defined.'));
  4157. }
  4158. var imageUrl = data[0];
  4159. var components = data[1];
  4160. if (components !== 3 && components !== 1) {
  4161. return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
  4162. }
  4163. return new Promise(function (resolve, reject) {
  4164. var img = new Image();
  4165. img.onload = function () {
  4166. var width = img.width;
  4167. var height = img.height;
  4168. var size = width * height;
  4169. var rgbaLength = size * 4;
  4170. var buf = new Uint8Array(size * components);
  4171. var tmpCanvas = document.createElement('canvas');
  4172. tmpCanvas.width = width;
  4173. tmpCanvas.height = height;
  4174. var tmpCtx = tmpCanvas.getContext('2d');
  4175. tmpCtx.drawImage(img, 0, 0);
  4176. var data = tmpCtx.getImageData(0, 0, width, height).data;
  4177. var i, j;
  4178. if (components === 3) {
  4179. for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
  4180. buf[j] = data[i];
  4181. buf[j + 1] = data[i + 1];
  4182. buf[j + 2] = data[i + 2];
  4183. }
  4184. } else if (components === 1) {
  4185. for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
  4186. buf[j] = data[i];
  4187. }
  4188. }
  4189. resolve({
  4190. data: buf,
  4191. width: width,
  4192. height: height
  4193. });
  4194. };
  4195. img.onerror = function () {
  4196. reject(new Error('JpegDecode failed to load image'));
  4197. };
  4198. img.src = imageUrl;
  4199. });
  4200. }, this);
  4201. },
  4202. getData: function WorkerTransport_getData() {
  4203. return this.messageHandler.sendWithPromise('GetData', null);
  4204. },
  4205. getPage: function WorkerTransport_getPage(pageNumber, capability) {
  4206. if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
  4207. return Promise.reject(new Error('Invalid page request'));
  4208. }
  4209. var pageIndex = pageNumber - 1;
  4210. if (pageIndex in this.pagePromises) {
  4211. return this.pagePromises[pageIndex];
  4212. }
  4213. var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
  4214. if (this.destroyed) {
  4215. throw new Error('Transport destroyed');
  4216. }
  4217. var page = new PDFPageProxy(pageIndex, pageInfo, this);
  4218. this.pageCache[pageIndex] = page;
  4219. return page;
  4220. }.bind(this));
  4221. this.pagePromises[pageIndex] = promise;
  4222. return promise;
  4223. },
  4224. getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
  4225. return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
  4226. return Promise.reject(new Error(reason));
  4227. });
  4228. },
  4229. getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
  4230. return this.messageHandler.sendWithPromise('GetAnnotations', {
  4231. pageIndex: pageIndex,
  4232. intent: intent
  4233. });
  4234. },
  4235. getDestinations: function WorkerTransport_getDestinations() {
  4236. return this.messageHandler.sendWithPromise('GetDestinations', null);
  4237. },
  4238. getDestination: function WorkerTransport_getDestination(id) {
  4239. return this.messageHandler.sendWithPromise('GetDestination', { id: id });
  4240. },
  4241. getPageLabels: function WorkerTransport_getPageLabels() {
  4242. return this.messageHandler.sendWithPromise('GetPageLabels', null);
  4243. },
  4244. getAttachments: function WorkerTransport_getAttachments() {
  4245. return this.messageHandler.sendWithPromise('GetAttachments', null);
  4246. },
  4247. getJavaScript: function WorkerTransport_getJavaScript() {
  4248. return this.messageHandler.sendWithPromise('GetJavaScript', null);
  4249. },
  4250. getOutline: function WorkerTransport_getOutline() {
  4251. return this.messageHandler.sendWithPromise('GetOutline', null);
  4252. },
  4253. getMetadata: function WorkerTransport_getMetadata() {
  4254. return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) {
  4255. return {
  4256. info: results[0],
  4257. metadata: results[1] ? new Metadata(results[1]) : null
  4258. };
  4259. });
  4260. },
  4261. getStats: function WorkerTransport_getStats() {
  4262. return this.messageHandler.sendWithPromise('GetStats', null);
  4263. },
  4264. startCleanup: function WorkerTransport_startCleanup() {
  4265. this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() {
  4266. for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
  4267. var page = this.pageCache[i];
  4268. if (page) {
  4269. page.cleanup();
  4270. }
  4271. }
  4272. this.commonObjs.clear();
  4273. this.fontLoader.clear();
  4274. }.bind(this));
  4275. }
  4276. };
  4277. return WorkerTransport;
  4278. }();
  4279. var PDFObjects = function PDFObjectsClosure() {
  4280. function PDFObjects() {
  4281. this.objs = Object.create(null);
  4282. }
  4283. PDFObjects.prototype = {
  4284. ensureObj: function PDFObjects_ensureObj(objId) {
  4285. if (this.objs[objId]) {
  4286. return this.objs[objId];
  4287. }
  4288. var obj = {
  4289. capability: createPromiseCapability(),
  4290. data: null,
  4291. resolved: false
  4292. };
  4293. this.objs[objId] = obj;
  4294. return obj;
  4295. },
  4296. get: function PDFObjects_get(objId, callback) {
  4297. if (callback) {
  4298. this.ensureObj(objId).capability.promise.then(callback);
  4299. return null;
  4300. }
  4301. var obj = this.objs[objId];
  4302. if (!obj || !obj.resolved) {
  4303. error('Requesting object that isn\'t resolved yet ' + objId);
  4304. }
  4305. return obj.data;
  4306. },
  4307. resolve: function PDFObjects_resolve(objId, data) {
  4308. var obj = this.ensureObj(objId);
  4309. obj.resolved = true;
  4310. obj.data = data;
  4311. obj.capability.resolve(data);
  4312. },
  4313. isResolved: function PDFObjects_isResolved(objId) {
  4314. var objs = this.objs;
  4315. if (!objs[objId]) {
  4316. return false;
  4317. }
  4318. return objs[objId].resolved;
  4319. },
  4320. hasData: function PDFObjects_hasData(objId) {
  4321. return this.isResolved(objId);
  4322. },
  4323. getData: function PDFObjects_getData(objId) {
  4324. var objs = this.objs;
  4325. if (!objs[objId] || !objs[objId].resolved) {
  4326. return null;
  4327. }
  4328. return objs[objId].data;
  4329. },
  4330. clear: function PDFObjects_clear() {
  4331. this.objs = Object.create(null);
  4332. }
  4333. };
  4334. return PDFObjects;
  4335. }();
  4336. var RenderTask = function RenderTaskClosure() {
  4337. function RenderTask(internalRenderTask) {
  4338. this._internalRenderTask = internalRenderTask;
  4339. this.onContinue = null;
  4340. }
  4341. RenderTask.prototype = {
  4342. get promise() {
  4343. return this._internalRenderTask.capability.promise;
  4344. },
  4345. cancel: function RenderTask_cancel() {
  4346. this._internalRenderTask.cancel();
  4347. },
  4348. then: function RenderTask_then(onFulfilled, onRejected) {
  4349. return this.promise.then.apply(this.promise, arguments);
  4350. }
  4351. };
  4352. return RenderTask;
  4353. }();
  4354. var InternalRenderTask = function InternalRenderTaskClosure() {
  4355. function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory) {
  4356. this.callback = callback;
  4357. this.params = params;
  4358. this.objs = objs;
  4359. this.commonObjs = commonObjs;
  4360. this.operatorListIdx = null;
  4361. this.operatorList = operatorList;
  4362. this.pageNumber = pageNumber;
  4363. this.canvasFactory = canvasFactory;
  4364. this.running = false;
  4365. this.graphicsReadyCallback = null;
  4366. this.graphicsReady = false;
  4367. this.useRequestAnimationFrame = false;
  4368. this.cancelled = false;
  4369. this.capability = createPromiseCapability();
  4370. this.task = new RenderTask(this);
  4371. this._continueBound = this._continue.bind(this);
  4372. this._scheduleNextBound = this._scheduleNext.bind(this);
  4373. this._nextBound = this._next.bind(this);
  4374. }
  4375. InternalRenderTask.prototype = {
  4376. initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) {
  4377. if (this.cancelled) {
  4378. return;
  4379. }
  4380. if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) {
  4381. this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);
  4382. this.stepper.init(this.operatorList);
  4383. this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
  4384. }
  4385. var params = this.params;
  4386. this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, params.imageLayer);
  4387. this.gfx.beginDrawing(params.transform, params.viewport, transparency);
  4388. this.operatorListIdx = 0;
  4389. this.graphicsReady = true;
  4390. if (this.graphicsReadyCallback) {
  4391. this.graphicsReadyCallback();
  4392. }
  4393. },
  4394. cancel: function InternalRenderTask_cancel() {
  4395. this.running = false;
  4396. this.cancelled = true;
  4397. this.callback('cancelled');
  4398. },
  4399. operatorListChanged: function InternalRenderTask_operatorListChanged() {
  4400. if (!this.graphicsReady) {
  4401. if (!this.graphicsReadyCallback) {
  4402. this.graphicsReadyCallback = this._continueBound;
  4403. }
  4404. return;
  4405. }
  4406. if (this.stepper) {
  4407. this.stepper.updateOperatorList(this.operatorList);
  4408. }
  4409. if (this.running) {
  4410. return;
  4411. }
  4412. this._continue();
  4413. },
  4414. _continue: function InternalRenderTask__continue() {
  4415. this.running = true;
  4416. if (this.cancelled) {
  4417. return;
  4418. }
  4419. if (this.task.onContinue) {
  4420. this.task.onContinue(this._scheduleNextBound);
  4421. } else {
  4422. this._scheduleNext();
  4423. }
  4424. },
  4425. _scheduleNext: function InternalRenderTask__scheduleNext() {
  4426. if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
  4427. window.requestAnimationFrame(this._nextBound);
  4428. } else {
  4429. Promise.resolve(undefined).then(this._nextBound);
  4430. }
  4431. },
  4432. _next: function InternalRenderTask__next() {
  4433. if (this.cancelled) {
  4434. return;
  4435. }
  4436. this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
  4437. if (this.operatorListIdx === this.operatorList.argsArray.length) {
  4438. this.running = false;
  4439. if (this.operatorList.lastChunk) {
  4440. this.gfx.endDrawing();
  4441. this.callback();
  4442. }
  4443. }
  4444. }
  4445. };
  4446. return InternalRenderTask;
  4447. }();
  4448. var _UnsupportedManager = function UnsupportedManagerClosure() {
  4449. var listeners = [];
  4450. return {
  4451. listen: function (cb) {
  4452. deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
  4453. listeners.push(cb);
  4454. },
  4455. notify: function (featureId) {
  4456. for (var i = 0, ii = listeners.length; i < ii; i++) {
  4457. listeners[i](featureId);
  4458. }
  4459. }
  4460. };
  4461. }();
  4462. exports.version = '1.7.280';
  4463. exports.build = '1549a46e';
  4464. exports.getDocument = getDocument;
  4465. exports.PDFDataRangeTransport = PDFDataRangeTransport;
  4466. exports.PDFWorker = PDFWorker;
  4467. exports.PDFDocumentProxy = PDFDocumentProxy;
  4468. exports.PDFPageProxy = PDFPageProxy;
  4469. exports._UnsupportedManager = _UnsupportedManager;
  4470. /***/ }),
  4471. /* 4 */
  4472. /***/ (function(module, exports, __w_pdfjs_require__) {
  4473. "use strict";
  4474. var sharedUtil = __w_pdfjs_require__(0);
  4475. var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
  4476. var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
  4477. var ImageKind = sharedUtil.ImageKind;
  4478. var OPS = sharedUtil.OPS;
  4479. var Util = sharedUtil.Util;
  4480. var isNum = sharedUtil.isNum;
  4481. var isArray = sharedUtil.isArray;
  4482. var warn = sharedUtil.warn;
  4483. var createObjectURL = sharedUtil.createObjectURL;
  4484. var SVG_DEFAULTS = {
  4485. fontStyle: 'normal',
  4486. fontWeight: 'normal',
  4487. fillColor: '#000000'
  4488. };
  4489. var convertImgDataToPng = function convertImgDataToPngClosure() {
  4490. var PNG_HEADER = new Uint8Array([
  4491. 0x89,
  4492. 0x50,
  4493. 0x4e,
  4494. 0x47,
  4495. 0x0d,
  4496. 0x0a,
  4497. 0x1a,
  4498. 0x0a
  4499. ]);
  4500. var CHUNK_WRAPPER_SIZE = 12;
  4501. var crcTable = new Int32Array(256);
  4502. for (var i = 0; i < 256; i++) {
  4503. var c = i;
  4504. for (var h = 0; h < 8; h++) {
  4505. if (c & 1) {
  4506. c = 0xedB88320 ^ c >> 1 & 0x7fffffff;
  4507. } else {
  4508. c = c >> 1 & 0x7fffffff;
  4509. }
  4510. }
  4511. crcTable[i] = c;
  4512. }
  4513. function crc32(data, start, end) {
  4514. var crc = -1;
  4515. for (var i = start; i < end; i++) {
  4516. var a = (crc ^ data[i]) & 0xff;
  4517. var b = crcTable[a];
  4518. crc = crc >>> 8 ^ b;
  4519. }
  4520. return crc ^ -1;
  4521. }
  4522. function writePngChunk(type, body, data, offset) {
  4523. var p = offset;
  4524. var len = body.length;
  4525. data[p] = len >> 24 & 0xff;
  4526. data[p + 1] = len >> 16 & 0xff;
  4527. data[p + 2] = len >> 8 & 0xff;
  4528. data[p + 3] = len & 0xff;
  4529. p += 4;
  4530. data[p] = type.charCodeAt(0) & 0xff;
  4531. data[p + 1] = type.charCodeAt(1) & 0xff;
  4532. data[p + 2] = type.charCodeAt(2) & 0xff;
  4533. data[p + 3] = type.charCodeAt(3) & 0xff;
  4534. p += 4;
  4535. data.set(body, p);
  4536. p += body.length;
  4537. var crc = crc32(data, offset + 4, p);
  4538. data[p] = crc >> 24 & 0xff;
  4539. data[p + 1] = crc >> 16 & 0xff;
  4540. data[p + 2] = crc >> 8 & 0xff;
  4541. data[p + 3] = crc & 0xff;
  4542. }
  4543. function adler32(data, start, end) {
  4544. var a = 1;
  4545. var b = 0;
  4546. for (var i = start; i < end; ++i) {
  4547. a = (a + (data[i] & 0xff)) % 65521;
  4548. b = (b + a) % 65521;
  4549. }
  4550. return b << 16 | a;
  4551. }
  4552. function encode(imgData, kind, forceDataSchema) {
  4553. var width = imgData.width;
  4554. var height = imgData.height;
  4555. var bitDepth, colorType, lineSize;
  4556. var bytes = imgData.data;
  4557. switch (kind) {
  4558. case ImageKind.GRAYSCALE_1BPP:
  4559. colorType = 0;
  4560. bitDepth = 1;
  4561. lineSize = width + 7 >> 3;
  4562. break;
  4563. case ImageKind.RGB_24BPP:
  4564. colorType = 2;
  4565. bitDepth = 8;
  4566. lineSize = width * 3;
  4567. break;
  4568. case ImageKind.RGBA_32BPP:
  4569. colorType = 6;
  4570. bitDepth = 8;
  4571. lineSize = width * 4;
  4572. break;
  4573. default:
  4574. throw new Error('invalid format');
  4575. }
  4576. var literals = new Uint8Array((1 + lineSize) * height);
  4577. var offsetLiterals = 0, offsetBytes = 0;
  4578. var y, i;
  4579. for (y = 0; y < height; ++y) {
  4580. literals[offsetLiterals++] = 0;
  4581. literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
  4582. offsetBytes += lineSize;
  4583. offsetLiterals += lineSize;
  4584. }
  4585. if (kind === ImageKind.GRAYSCALE_1BPP) {
  4586. offsetLiterals = 0;
  4587. for (y = 0; y < height; y++) {
  4588. offsetLiterals++;
  4589. for (i = 0; i < lineSize; i++) {
  4590. literals[offsetLiterals++] ^= 0xFF;
  4591. }
  4592. }
  4593. }
  4594. var ihdr = new Uint8Array([
  4595. width >> 24 & 0xff,
  4596. width >> 16 & 0xff,
  4597. width >> 8 & 0xff,
  4598. width & 0xff,
  4599. height >> 24 & 0xff,
  4600. height >> 16 & 0xff,
  4601. height >> 8 & 0xff,
  4602. height & 0xff,
  4603. bitDepth,
  4604. colorType,
  4605. 0x00,
  4606. 0x00,
  4607. 0x00
  4608. ]);
  4609. var len = literals.length;
  4610. var maxBlockLength = 0xFFFF;
  4611. var deflateBlocks = Math.ceil(len / maxBlockLength);
  4612. var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
  4613. var pi = 0;
  4614. idat[pi++] = 0x78;
  4615. idat[pi++] = 0x9c;
  4616. var pos = 0;
  4617. while (len > maxBlockLength) {
  4618. idat[pi++] = 0x00;
  4619. idat[pi++] = 0xff;
  4620. idat[pi++] = 0xff;
  4621. idat[pi++] = 0x00;
  4622. idat[pi++] = 0x00;
  4623. idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
  4624. pi += maxBlockLength;
  4625. pos += maxBlockLength;
  4626. len -= maxBlockLength;
  4627. }
  4628. idat[pi++] = 0x01;
  4629. idat[pi++] = len & 0xff;
  4630. idat[pi++] = len >> 8 & 0xff;
  4631. idat[pi++] = ~len & 0xffff & 0xff;
  4632. idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
  4633. idat.set(literals.subarray(pos), pi);
  4634. pi += literals.length - pos;
  4635. var adler = adler32(literals, 0, literals.length);
  4636. idat[pi++] = adler >> 24 & 0xff;
  4637. idat[pi++] = adler >> 16 & 0xff;
  4638. idat[pi++] = adler >> 8 & 0xff;
  4639. idat[pi++] = adler & 0xff;
  4640. var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
  4641. var data = new Uint8Array(pngLength);
  4642. var offset = 0;
  4643. data.set(PNG_HEADER, offset);
  4644. offset += PNG_HEADER.length;
  4645. writePngChunk('IHDR', ihdr, data, offset);
  4646. offset += CHUNK_WRAPPER_SIZE + ihdr.length;
  4647. writePngChunk('IDATA', idat, data, offset);
  4648. offset += CHUNK_WRAPPER_SIZE + idat.length;
  4649. writePngChunk('IEND', new Uint8Array(0), data, offset);
  4650. return createObjectURL(data, 'image/png', forceDataSchema);
  4651. }
  4652. return function convertImgDataToPng(imgData, forceDataSchema) {
  4653. var kind = imgData.kind === undefined ? ImageKind.GRAYSCALE_1BPP : imgData.kind;
  4654. return encode(imgData, kind, forceDataSchema);
  4655. };
  4656. }();
  4657. var SVGExtraState = function SVGExtraStateClosure() {
  4658. function SVGExtraState() {
  4659. this.fontSizeScale = 1;
  4660. this.fontWeight = SVG_DEFAULTS.fontWeight;
  4661. this.fontSize = 0;
  4662. this.textMatrix = IDENTITY_MATRIX;
  4663. this.fontMatrix = FONT_IDENTITY_MATRIX;
  4664. this.leading = 0;
  4665. this.x = 0;
  4666. this.y = 0;
  4667. this.lineX = 0;
  4668. this.lineY = 0;
  4669. this.charSpacing = 0;
  4670. this.wordSpacing = 0;
  4671. this.textHScale = 1;
  4672. this.textRise = 0;
  4673. this.fillColor = SVG_DEFAULTS.fillColor;
  4674. this.strokeColor = '#000000';
  4675. this.fillAlpha = 1;
  4676. this.strokeAlpha = 1;
  4677. this.lineWidth = 1;
  4678. this.lineJoin = '';
  4679. this.lineCap = '';
  4680. this.miterLimit = 0;
  4681. this.dashArray = [];
  4682. this.dashPhase = 0;
  4683. this.dependencies = [];
  4684. this.activeClipUrl = null;
  4685. this.clipGroup = null;
  4686. this.maskId = '';
  4687. }
  4688. SVGExtraState.prototype = {
  4689. clone: function SVGExtraState_clone() {
  4690. return Object.create(this);
  4691. },
  4692. setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
  4693. this.x = x;
  4694. this.y = y;
  4695. }
  4696. };
  4697. return SVGExtraState;
  4698. }();
  4699. var SVGGraphics = function SVGGraphicsClosure() {
  4700. function opListToTree(opList) {
  4701. var opTree = [];
  4702. var tmp = [];
  4703. var opListLen = opList.length;
  4704. for (var x = 0; x < opListLen; x++) {
  4705. if (opList[x].fn === 'save') {
  4706. opTree.push({
  4707. 'fnId': 92,
  4708. 'fn': 'group',
  4709. 'items': []
  4710. });
  4711. tmp.push(opTree);
  4712. opTree = opTree[opTree.length - 1].items;
  4713. continue;
  4714. }
  4715. if (opList[x].fn === 'restore') {
  4716. opTree = tmp.pop();
  4717. } else {
  4718. opTree.push(opList[x]);
  4719. }
  4720. }
  4721. return opTree;
  4722. }
  4723. function pf(value) {
  4724. if (value === (value | 0)) {
  4725. return value.toString();
  4726. }
  4727. var s = value.toFixed(10);
  4728. var i = s.length - 1;
  4729. if (s[i] !== '0') {
  4730. return s;
  4731. }
  4732. do {
  4733. i--;
  4734. } while (s[i] === '0');
  4735. return s.substr(0, s[i] === '.' ? i : i + 1);
  4736. }
  4737. function pm(m) {
  4738. if (m[4] === 0 && m[5] === 0) {
  4739. if (m[1] === 0 && m[2] === 0) {
  4740. if (m[0] === 1 && m[3] === 1) {
  4741. return '';
  4742. }
  4743. return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';
  4744. }
  4745. if (m[0] === m[3] && m[1] === -m[2]) {
  4746. var a = Math.acos(m[0]) * 180 / Math.PI;
  4747. return 'rotate(' + pf(a) + ')';
  4748. }
  4749. } else {
  4750. if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
  4751. return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';
  4752. }
  4753. }
  4754. return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';
  4755. }
  4756. function SVGGraphics(commonObjs, objs, forceDataSchema) {
  4757. this.current = new SVGExtraState();
  4758. this.transformMatrix = IDENTITY_MATRIX;
  4759. this.transformStack = [];
  4760. this.extraStack = [];
  4761. this.commonObjs = commonObjs;
  4762. this.objs = objs;
  4763. this.pendingEOFill = false;
  4764. this.embedFonts = false;
  4765. this.embeddedFonts = Object.create(null);
  4766. this.cssStyle = null;
  4767. this.forceDataSchema = !!forceDataSchema;
  4768. }
  4769. var NS = 'http://www.w3.org/2000/svg';
  4770. var XML_NS = 'http://www.w3.org/XML/1998/namespace';
  4771. var XLINK_NS = 'http://www.w3.org/1999/xlink';
  4772. var LINE_CAP_STYLES = [
  4773. 'butt',
  4774. 'round',
  4775. 'square'
  4776. ];
  4777. var LINE_JOIN_STYLES = [
  4778. 'miter',
  4779. 'round',
  4780. 'bevel'
  4781. ];
  4782. var clipCount = 0;
  4783. var maskCount = 0;
  4784. SVGGraphics.prototype = {
  4785. save: function SVGGraphics_save() {
  4786. this.transformStack.push(this.transformMatrix);
  4787. var old = this.current;
  4788. this.extraStack.push(old);
  4789. this.current = old.clone();
  4790. },
  4791. restore: function SVGGraphics_restore() {
  4792. this.transformMatrix = this.transformStack.pop();
  4793. this.current = this.extraStack.pop();
  4794. this.tgrp = null;
  4795. },
  4796. group: function SVGGraphics_group(items) {
  4797. this.save();
  4798. this.executeOpTree(items);
  4799. this.restore();
  4800. },
  4801. loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
  4802. var fnArray = operatorList.fnArray;
  4803. var fnArrayLen = fnArray.length;
  4804. var argsArray = operatorList.argsArray;
  4805. var self = this;
  4806. for (var i = 0; i < fnArrayLen; i++) {
  4807. if (OPS.dependency === fnArray[i]) {
  4808. var deps = argsArray[i];
  4809. for (var n = 0, nn = deps.length; n < nn; n++) {
  4810. var obj = deps[n];
  4811. var common = obj.substring(0, 2) === 'g_';
  4812. var promise;
  4813. if (common) {
  4814. promise = new Promise(function (resolve) {
  4815. self.commonObjs.get(obj, resolve);
  4816. });
  4817. } else {
  4818. promise = new Promise(function (resolve) {
  4819. self.objs.get(obj, resolve);
  4820. });
  4821. }
  4822. this.current.dependencies.push(promise);
  4823. }
  4824. }
  4825. }
  4826. return Promise.all(this.current.dependencies);
  4827. },
  4828. transform: function SVGGraphics_transform(a, b, c, d, e, f) {
  4829. var transformMatrix = [
  4830. a,
  4831. b,
  4832. c,
  4833. d,
  4834. e,
  4835. f
  4836. ];
  4837. this.transformMatrix = Util.transform(this.transformMatrix, transformMatrix);
  4838. this.tgrp = null;
  4839. },
  4840. getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
  4841. this.viewport = viewport;
  4842. var svgElement = this._initialize(viewport);
  4843. return this.loadDependencies(operatorList).then(function () {
  4844. this.transformMatrix = IDENTITY_MATRIX;
  4845. var opTree = this.convertOpList(operatorList);
  4846. this.executeOpTree(opTree);
  4847. return svgElement;
  4848. }.bind(this));
  4849. },
  4850. convertOpList: function SVGGraphics_convertOpList(operatorList) {
  4851. var argsArray = operatorList.argsArray;
  4852. var fnArray = operatorList.fnArray;
  4853. var fnArrayLen = fnArray.length;
  4854. var REVOPS = [];
  4855. var opList = [];
  4856. for (var op in OPS) {
  4857. REVOPS[OPS[op]] = op;
  4858. }
  4859. for (var x = 0; x < fnArrayLen; x++) {
  4860. var fnId = fnArray[x];
  4861. opList.push({
  4862. 'fnId': fnId,
  4863. 'fn': REVOPS[fnId],
  4864. 'args': argsArray[x]
  4865. });
  4866. }
  4867. return opListToTree(opList);
  4868. },
  4869. executeOpTree: function SVGGraphics_executeOpTree(opTree) {
  4870. var opTreeLen = opTree.length;
  4871. for (var x = 0; x < opTreeLen; x++) {
  4872. var fn = opTree[x].fn;
  4873. var fnId = opTree[x].fnId;
  4874. var args = opTree[x].args;
  4875. switch (fnId | 0) {
  4876. case OPS.beginText:
  4877. this.beginText();
  4878. break;
  4879. case OPS.setLeading:
  4880. this.setLeading(args);
  4881. break;
  4882. case OPS.setLeadingMoveText:
  4883. this.setLeadingMoveText(args[0], args[1]);
  4884. break;
  4885. case OPS.setFont:
  4886. this.setFont(args);
  4887. break;
  4888. case OPS.showText:
  4889. this.showText(args[0]);
  4890. break;
  4891. case OPS.showSpacedText:
  4892. this.showText(args[0]);
  4893. break;
  4894. case OPS.endText:
  4895. this.endText();
  4896. break;
  4897. case OPS.moveText:
  4898. this.moveText(args[0], args[1]);
  4899. break;
  4900. case OPS.setCharSpacing:
  4901. this.setCharSpacing(args[0]);
  4902. break;
  4903. case OPS.setWordSpacing:
  4904. this.setWordSpacing(args[0]);
  4905. break;
  4906. case OPS.setHScale:
  4907. this.setHScale(args[0]);
  4908. break;
  4909. case OPS.setTextMatrix:
  4910. this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
  4911. break;
  4912. case OPS.setLineWidth:
  4913. this.setLineWidth(args[0]);
  4914. break;
  4915. case OPS.setLineJoin:
  4916. this.setLineJoin(args[0]);
  4917. break;
  4918. case OPS.setLineCap:
  4919. this.setLineCap(args[0]);
  4920. break;
  4921. case OPS.setMiterLimit:
  4922. this.setMiterLimit(args[0]);
  4923. break;
  4924. case OPS.setFillRGBColor:
  4925. this.setFillRGBColor(args[0], args[1], args[2]);
  4926. break;
  4927. case OPS.setStrokeRGBColor:
  4928. this.setStrokeRGBColor(args[0], args[1], args[2]);
  4929. break;
  4930. case OPS.setDash:
  4931. this.setDash(args[0], args[1]);
  4932. break;
  4933. case OPS.setGState:
  4934. this.setGState(args[0]);
  4935. break;
  4936. case OPS.fill:
  4937. this.fill();
  4938. break;
  4939. case OPS.eoFill:
  4940. this.eoFill();
  4941. break;
  4942. case OPS.stroke:
  4943. this.stroke();
  4944. break;
  4945. case OPS.fillStroke:
  4946. this.fillStroke();
  4947. break;
  4948. case OPS.eoFillStroke:
  4949. this.eoFillStroke();
  4950. break;
  4951. case OPS.clip:
  4952. this.clip('nonzero');
  4953. break;
  4954. case OPS.eoClip:
  4955. this.clip('evenodd');
  4956. break;
  4957. case OPS.paintSolidColorImageMask:
  4958. this.paintSolidColorImageMask();
  4959. break;
  4960. case OPS.paintJpegXObject:
  4961. this.paintJpegXObject(args[0], args[1], args[2]);
  4962. break;
  4963. case OPS.paintImageXObject:
  4964. this.paintImageXObject(args[0]);
  4965. break;
  4966. case OPS.paintInlineImageXObject:
  4967. this.paintInlineImageXObject(args[0]);
  4968. break;
  4969. case OPS.paintImageMaskXObject:
  4970. this.paintImageMaskXObject(args[0]);
  4971. break;
  4972. case OPS.paintFormXObjectBegin:
  4973. this.paintFormXObjectBegin(args[0], args[1]);
  4974. break;
  4975. case OPS.paintFormXObjectEnd:
  4976. this.paintFormXObjectEnd();
  4977. break;
  4978. case OPS.closePath:
  4979. this.closePath();
  4980. break;
  4981. case OPS.closeStroke:
  4982. this.closeStroke();
  4983. break;
  4984. case OPS.closeFillStroke:
  4985. this.closeFillStroke();
  4986. break;
  4987. case OPS.nextLine:
  4988. this.nextLine();
  4989. break;
  4990. case OPS.transform:
  4991. this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
  4992. break;
  4993. case OPS.constructPath:
  4994. this.constructPath(args[0], args[1]);
  4995. break;
  4996. case OPS.endPath:
  4997. this.endPath();
  4998. break;
  4999. case 92:
  5000. this.group(opTree[x].items);
  5001. break;
  5002. default:
  5003. warn('Unimplemented operator ' + fn);
  5004. break;
  5005. }
  5006. }
  5007. },
  5008. setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
  5009. this.current.wordSpacing = wordSpacing;
  5010. },
  5011. setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
  5012. this.current.charSpacing = charSpacing;
  5013. },
  5014. nextLine: function SVGGraphics_nextLine() {
  5015. this.moveText(0, this.current.leading);
  5016. },
  5017. setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
  5018. var current = this.current;
  5019. this.current.textMatrix = this.current.lineMatrix = [
  5020. a,
  5021. b,
  5022. c,
  5023. d,
  5024. e,
  5025. f
  5026. ];
  5027. this.current.x = this.current.lineX = 0;
  5028. this.current.y = this.current.lineY = 0;
  5029. current.xcoords = [];
  5030. current.tspan = document.createElementNS(NS, 'svg:tspan');
  5031. current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
  5032. current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
  5033. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  5034. current.txtElement = document.createElementNS(NS, 'svg:text');
  5035. current.txtElement.appendChild(current.tspan);
  5036. },
  5037. beginText: function SVGGraphics_beginText() {
  5038. this.current.x = this.current.lineX = 0;
  5039. this.current.y = this.current.lineY = 0;
  5040. this.current.textMatrix = IDENTITY_MATRIX;
  5041. this.current.lineMatrix = IDENTITY_MATRIX;
  5042. this.current.tspan = document.createElementNS(NS, 'svg:tspan');
  5043. this.current.txtElement = document.createElementNS(NS, 'svg:text');
  5044. this.current.txtgrp = document.createElementNS(NS, 'svg:g');
  5045. this.current.xcoords = [];
  5046. },
  5047. moveText: function SVGGraphics_moveText(x, y) {
  5048. var current = this.current;
  5049. this.current.x = this.current.lineX += x;
  5050. this.current.y = this.current.lineY += y;
  5051. current.xcoords = [];
  5052. current.tspan = document.createElementNS(NS, 'svg:tspan');
  5053. current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
  5054. current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
  5055. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  5056. },
  5057. showText: function SVGGraphics_showText(glyphs) {
  5058. var current = this.current;
  5059. var font = current.font;
  5060. var fontSize = current.fontSize;
  5061. if (fontSize === 0) {
  5062. return;
  5063. }
  5064. var charSpacing = current.charSpacing;
  5065. var wordSpacing = current.wordSpacing;
  5066. var fontDirection = current.fontDirection;
  5067. var textHScale = current.textHScale * fontDirection;
  5068. var glyphsLength = glyphs.length;
  5069. var vertical = font.vertical;
  5070. var widthAdvanceScale = fontSize * current.fontMatrix[0];
  5071. var x = 0, i;
  5072. for (i = 0; i < glyphsLength; ++i) {
  5073. var glyph = glyphs[i];
  5074. if (glyph === null) {
  5075. x += fontDirection * wordSpacing;
  5076. continue;
  5077. } else if (isNum(glyph)) {
  5078. x += -glyph * fontSize * 0.001;
  5079. continue;
  5080. }
  5081. current.xcoords.push(current.x + x * textHScale);
  5082. var width = glyph.width;
  5083. var character = glyph.fontChar;
  5084. var charWidth = width * widthAdvanceScale + charSpacing * fontDirection;
  5085. x += charWidth;
  5086. current.tspan.textContent += character;
  5087. }
  5088. if (vertical) {
  5089. current.y -= x * textHScale;
  5090. } else {
  5091. current.x += x * textHScale;
  5092. }
  5093. current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' '));
  5094. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  5095. current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
  5096. current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
  5097. if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
  5098. current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);
  5099. }
  5100. if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
  5101. current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);
  5102. }
  5103. if (current.fillColor !== SVG_DEFAULTS.fillColor) {
  5104. current.tspan.setAttributeNS(null, 'fill', current.fillColor);
  5105. }
  5106. current.txtElement.setAttributeNS(null, 'transform', pm(current.textMatrix) + ' scale(1, -1)');
  5107. current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
  5108. current.txtElement.appendChild(current.tspan);
  5109. current.txtgrp.appendChild(current.txtElement);
  5110. this._ensureTransformGroup().appendChild(current.txtElement);
  5111. },
  5112. setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {
  5113. this.setLeading(-y);
  5114. this.moveText(x, y);
  5115. },
  5116. addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
  5117. if (!this.cssStyle) {
  5118. this.cssStyle = document.createElementNS(NS, 'svg:style');
  5119. this.cssStyle.setAttributeNS(null, 'type', 'text/css');
  5120. this.defs.appendChild(this.cssStyle);
  5121. }
  5122. var url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
  5123. this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n';
  5124. },
  5125. setFont: function SVGGraphics_setFont(details) {
  5126. var current = this.current;
  5127. var fontObj = this.commonObjs.get(details[0]);
  5128. var size = details[1];
  5129. this.current.font = fontObj;
  5130. if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
  5131. this.addFontStyle(fontObj);
  5132. this.embeddedFonts[fontObj.loadedName] = fontObj;
  5133. }
  5134. current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
  5135. var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
  5136. var italic = fontObj.italic ? 'italic' : 'normal';
  5137. if (size < 0) {
  5138. size = -size;
  5139. current.fontDirection = -1;
  5140. } else {
  5141. current.fontDirection = 1;
  5142. }
  5143. current.fontSize = size;
  5144. current.fontFamily = fontObj.loadedName;
  5145. current.fontWeight = bold;
  5146. current.fontStyle = italic;
  5147. current.tspan = document.createElementNS(NS, 'svg:tspan');
  5148. current.tspan.setAttributeNS(null, 'y', pf(-current.y));
  5149. current.xcoords = [];
  5150. },
  5151. endText: function SVGGraphics_endText() {
  5152. },
  5153. setLineWidth: function SVGGraphics_setLineWidth(width) {
  5154. this.current.lineWidth = width;
  5155. },
  5156. setLineCap: function SVGGraphics_setLineCap(style) {
  5157. this.current.lineCap = LINE_CAP_STYLES[style];
  5158. },
  5159. setLineJoin: function SVGGraphics_setLineJoin(style) {
  5160. this.current.lineJoin = LINE_JOIN_STYLES[style];
  5161. },
  5162. setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
  5163. this.current.miterLimit = limit;
  5164. },
  5165. setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
  5166. var color = Util.makeCssRgb(r, g, b);
  5167. this.current.strokeColor = color;
  5168. },
  5169. setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
  5170. var color = Util.makeCssRgb(r, g, b);
  5171. this.current.fillColor = color;
  5172. this.current.tspan = document.createElementNS(NS, 'svg:tspan');
  5173. this.current.xcoords = [];
  5174. },
  5175. setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
  5176. this.current.dashArray = dashArray;
  5177. this.current.dashPhase = dashPhase;
  5178. },
  5179. constructPath: function SVGGraphics_constructPath(ops, args) {
  5180. var current = this.current;
  5181. var x = current.x, y = current.y;
  5182. current.path = document.createElementNS(NS, 'svg:path');
  5183. var d = [];
  5184. var opLength = ops.length;
  5185. for (var i = 0, j = 0; i < opLength; i++) {
  5186. switch (ops[i] | 0) {
  5187. case OPS.rectangle:
  5188. x = args[j++];
  5189. y = args[j++];
  5190. var width = args[j++];
  5191. var height = args[j++];
  5192. var xw = x + width;
  5193. var yh = y + height;
  5194. d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z');
  5195. break;
  5196. case OPS.moveTo:
  5197. x = args[j++];
  5198. y = args[j++];
  5199. d.push('M', pf(x), pf(y));
  5200. break;
  5201. case OPS.lineTo:
  5202. x = args[j++];
  5203. y = args[j++];
  5204. d.push('L', pf(x), pf(y));
  5205. break;
  5206. case OPS.curveTo:
  5207. x = args[j + 4];
  5208. y = args[j + 5];
  5209. d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
  5210. j += 6;
  5211. break;
  5212. case OPS.curveTo2:
  5213. x = args[j + 2];
  5214. y = args[j + 3];
  5215. d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
  5216. j += 4;
  5217. break;
  5218. case OPS.curveTo3:
  5219. x = args[j + 2];
  5220. y = args[j + 3];
  5221. d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
  5222. j += 4;
  5223. break;
  5224. case OPS.closePath:
  5225. d.push('Z');
  5226. break;
  5227. }
  5228. }
  5229. current.path.setAttributeNS(null, 'd', d.join(' '));
  5230. current.path.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
  5231. current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap);
  5232. current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
  5233. current.path.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px');
  5234. current.path.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' '));
  5235. current.path.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px');
  5236. current.path.setAttributeNS(null, 'fill', 'none');
  5237. this._ensureTransformGroup().appendChild(current.path);
  5238. current.element = current.path;
  5239. current.setCurrentPoint(x, y);
  5240. },
  5241. endPath: function SVGGraphics_endPath() {
  5242. },
  5243. clip: function SVGGraphics_clip(type) {
  5244. var current = this.current;
  5245. var clipId = 'clippath' + clipCount;
  5246. clipCount++;
  5247. var clipPath = document.createElementNS(NS, 'svg:clipPath');
  5248. clipPath.setAttributeNS(null, 'id', clipId);
  5249. clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
  5250. var clipElement = current.element.cloneNode();
  5251. if (type === 'evenodd') {
  5252. clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
  5253. } else {
  5254. clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
  5255. }
  5256. clipPath.appendChild(clipElement);
  5257. this.defs.appendChild(clipPath);
  5258. if (current.activeClipUrl) {
  5259. current.clipGroup = null;
  5260. this.extraStack.forEach(function (prev) {
  5261. prev.clipGroup = null;
  5262. });
  5263. }
  5264. current.activeClipUrl = 'url(#' + clipId + ')';
  5265. this.tgrp = null;
  5266. },
  5267. closePath: function SVGGraphics_closePath() {
  5268. var current = this.current;
  5269. var d = current.path.getAttributeNS(null, 'd');
  5270. d += 'Z';
  5271. current.path.setAttributeNS(null, 'd', d);
  5272. },
  5273. setLeading: function SVGGraphics_setLeading(leading) {
  5274. this.current.leading = -leading;
  5275. },
  5276. setTextRise: function SVGGraphics_setTextRise(textRise) {
  5277. this.current.textRise = textRise;
  5278. },
  5279. setHScale: function SVGGraphics_setHScale(scale) {
  5280. this.current.textHScale = scale / 100;
  5281. },
  5282. setGState: function SVGGraphics_setGState(states) {
  5283. for (var i = 0, ii = states.length; i < ii; i++) {
  5284. var state = states[i];
  5285. var key = state[0];
  5286. var value = state[1];
  5287. switch (key) {
  5288. case 'LW':
  5289. this.setLineWidth(value);
  5290. break;
  5291. case 'LC':
  5292. this.setLineCap(value);
  5293. break;
  5294. case 'LJ':
  5295. this.setLineJoin(value);
  5296. break;
  5297. case 'ML':
  5298. this.setMiterLimit(value);
  5299. break;
  5300. case 'D':
  5301. this.setDash(value[0], value[1]);
  5302. break;
  5303. case 'Font':
  5304. this.setFont(value);
  5305. break;
  5306. default:
  5307. warn('Unimplemented graphic state ' + key);
  5308. break;
  5309. }
  5310. }
  5311. },
  5312. fill: function SVGGraphics_fill() {
  5313. var current = this.current;
  5314. current.element.setAttributeNS(null, 'fill', current.fillColor);
  5315. },
  5316. stroke: function SVGGraphics_stroke() {
  5317. var current = this.current;
  5318. current.element.setAttributeNS(null, 'stroke', current.strokeColor);
  5319. current.element.setAttributeNS(null, 'fill', 'none');
  5320. },
  5321. eoFill: function SVGGraphics_eoFill() {
  5322. var current = this.current;
  5323. current.element.setAttributeNS(null, 'fill', current.fillColor);
  5324. current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
  5325. },
  5326. fillStroke: function SVGGraphics_fillStroke() {
  5327. this.stroke();
  5328. this.fill();
  5329. },
  5330. eoFillStroke: function SVGGraphics_eoFillStroke() {
  5331. this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
  5332. this.fillStroke();
  5333. },
  5334. closeStroke: function SVGGraphics_closeStroke() {
  5335. this.closePath();
  5336. this.stroke();
  5337. },
  5338. closeFillStroke: function SVGGraphics_closeFillStroke() {
  5339. this.closePath();
  5340. this.fillStroke();
  5341. },
  5342. paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() {
  5343. var current = this.current;
  5344. var rect = document.createElementNS(NS, 'svg:rect');
  5345. rect.setAttributeNS(null, 'x', '0');
  5346. rect.setAttributeNS(null, 'y', '0');
  5347. rect.setAttributeNS(null, 'width', '1px');
  5348. rect.setAttributeNS(null, 'height', '1px');
  5349. rect.setAttributeNS(null, 'fill', current.fillColor);
  5350. this._ensureTransformGroup().appendChild(rect);
  5351. },
  5352. paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
  5353. var imgObj = this.objs.get(objId);
  5354. var imgEl = document.createElementNS(NS, 'svg:image');
  5355. imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
  5356. imgEl.setAttributeNS(null, 'width', imgObj.width + 'px');
  5357. imgEl.setAttributeNS(null, 'height', imgObj.height + 'px');
  5358. imgEl.setAttributeNS(null, 'x', '0');
  5359. imgEl.setAttributeNS(null, 'y', pf(-h));
  5360. imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
  5361. this._ensureTransformGroup().appendChild(imgEl);
  5362. },
  5363. paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
  5364. var imgData = this.objs.get(objId);
  5365. if (!imgData) {
  5366. warn('Dependent image isn\'t ready yet');
  5367. return;
  5368. }
  5369. this.paintInlineImageXObject(imgData);
  5370. },
  5371. paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) {
  5372. var width = imgData.width;
  5373. var height = imgData.height;
  5374. var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);
  5375. var cliprect = document.createElementNS(NS, 'svg:rect');
  5376. cliprect.setAttributeNS(null, 'x', '0');
  5377. cliprect.setAttributeNS(null, 'y', '0');
  5378. cliprect.setAttributeNS(null, 'width', pf(width));
  5379. cliprect.setAttributeNS(null, 'height', pf(height));
  5380. this.current.element = cliprect;
  5381. this.clip('nonzero');
  5382. var imgEl = document.createElementNS(NS, 'svg:image');
  5383. imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
  5384. imgEl.setAttributeNS(null, 'x', '0');
  5385. imgEl.setAttributeNS(null, 'y', pf(-height));
  5386. imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
  5387. imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
  5388. imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')');
  5389. if (mask) {
  5390. mask.appendChild(imgEl);
  5391. } else {
  5392. this._ensureTransformGroup().appendChild(imgEl);
  5393. }
  5394. },
  5395. paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) {
  5396. var current = this.current;
  5397. var width = imgData.width;
  5398. var height = imgData.height;
  5399. var fillColor = current.fillColor;
  5400. current.maskId = 'mask' + maskCount++;
  5401. var mask = document.createElementNS(NS, 'svg:mask');
  5402. mask.setAttributeNS(null, 'id', current.maskId);
  5403. var rect = document.createElementNS(NS, 'svg:rect');
  5404. rect.setAttributeNS(null, 'x', '0');
  5405. rect.setAttributeNS(null, 'y', '0');
  5406. rect.setAttributeNS(null, 'width', pf(width));
  5407. rect.setAttributeNS(null, 'height', pf(height));
  5408. rect.setAttributeNS(null, 'fill', fillColor);
  5409. rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');
  5410. this.defs.appendChild(mask);
  5411. this._ensureTransformGroup().appendChild(rect);
  5412. this.paintInlineImageXObject(imgData, mask);
  5413. },
  5414. paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
  5415. if (isArray(matrix) && matrix.length === 6) {
  5416. this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
  5417. }
  5418. if (isArray(bbox) && bbox.length === 4) {
  5419. var width = bbox[2] - bbox[0];
  5420. var height = bbox[3] - bbox[1];
  5421. var cliprect = document.createElementNS(NS, 'svg:rect');
  5422. cliprect.setAttributeNS(null, 'x', bbox[0]);
  5423. cliprect.setAttributeNS(null, 'y', bbox[1]);
  5424. cliprect.setAttributeNS(null, 'width', pf(width));
  5425. cliprect.setAttributeNS(null, 'height', pf(height));
  5426. this.current.element = cliprect;
  5427. this.clip('nonzero');
  5428. this.endPath();
  5429. }
  5430. },
  5431. paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {
  5432. },
  5433. _initialize: function SVGGraphics_initialize(viewport) {
  5434. var svg = document.createElementNS(NS, 'svg:svg');
  5435. svg.setAttributeNS(null, 'version', '1.1');
  5436. svg.setAttributeNS(null, 'width', viewport.width + 'px');
  5437. svg.setAttributeNS(null, 'height', viewport.height + 'px');
  5438. svg.setAttributeNS(null, 'preserveAspectRatio', 'none');
  5439. svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width + ' ' + viewport.height);
  5440. var definitions = document.createElementNS(NS, 'svg:defs');
  5441. svg.appendChild(definitions);
  5442. this.defs = definitions;
  5443. var rootGroup = document.createElementNS(NS, 'svg:g');
  5444. rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
  5445. svg.appendChild(rootGroup);
  5446. this.svg = rootGroup;
  5447. return svg;
  5448. },
  5449. _ensureClipGroup: function SVGGraphics_ensureClipGroup() {
  5450. if (!this.current.clipGroup) {
  5451. var clipGroup = document.createElementNS(NS, 'svg:g');
  5452. clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
  5453. this.svg.appendChild(clipGroup);
  5454. this.current.clipGroup = clipGroup;
  5455. }
  5456. return this.current.clipGroup;
  5457. },
  5458. _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {
  5459. if (!this.tgrp) {
  5460. this.tgrp = document.createElementNS(NS, 'svg:g');
  5461. this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
  5462. if (this.current.activeClipUrl) {
  5463. this._ensureClipGroup().appendChild(this.tgrp);
  5464. } else {
  5465. this.svg.appendChild(this.tgrp);
  5466. }
  5467. }
  5468. return this.tgrp;
  5469. }
  5470. };
  5471. return SVGGraphics;
  5472. }();
  5473. exports.SVGGraphics = SVGGraphics;
  5474. /***/ }),
  5475. /* 5 */
  5476. /***/ (function(module, exports, __w_pdfjs_require__) {
  5477. "use strict";
  5478. var sharedUtil = __w_pdfjs_require__(0);
  5479. var displayDOMUtils = __w_pdfjs_require__(1);
  5480. var Util = sharedUtil.Util;
  5481. var createPromiseCapability = sharedUtil.createPromiseCapability;
  5482. var CustomStyle = displayDOMUtils.CustomStyle;
  5483. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  5484. var renderTextLayer = function renderTextLayerClosure() {
  5485. var MAX_TEXT_DIVS_TO_RENDER = 100000;
  5486. var NonWhitespaceRegexp = /\S/;
  5487. function isAllWhitespace(str) {
  5488. return !NonWhitespaceRegexp.test(str);
  5489. }
  5490. var styleBuf = [
  5491. 'left: ',
  5492. 0,
  5493. 'px; top: ',
  5494. 0,
  5495. 'px; font-size: ',
  5496. 0,
  5497. 'px; font-family: ',
  5498. '',
  5499. ';'
  5500. ];
  5501. function appendText(task, geom, styles) {
  5502. var textDiv = document.createElement('div');
  5503. var textDivProperties = {
  5504. style: null,
  5505. angle: 0,
  5506. canvasWidth: 0,
  5507. isWhitespace: false,
  5508. originalTransform: null,
  5509. paddingBottom: 0,
  5510. paddingLeft: 0,
  5511. paddingRight: 0,
  5512. paddingTop: 0,
  5513. scale: 1
  5514. };
  5515. task._textDivs.push(textDiv);
  5516. if (isAllWhitespace(geom.str)) {
  5517. textDivProperties.isWhitespace = true;
  5518. task._textDivProperties.set(textDiv, textDivProperties);
  5519. return;
  5520. }
  5521. var tx = Util.transform(task._viewport.transform, geom.transform);
  5522. var angle = Math.atan2(tx[1], tx[0]);
  5523. var style = styles[geom.fontName];
  5524. if (style.vertical) {
  5525. angle += Math.PI / 2;
  5526. }
  5527. var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
  5528. var fontAscent = fontHeight;
  5529. if (style.ascent) {
  5530. fontAscent = style.ascent * fontAscent;
  5531. } else if (style.descent) {
  5532. fontAscent = (1 + style.descent) * fontAscent;
  5533. }
  5534. var left;
  5535. var top;
  5536. if (angle === 0) {
  5537. left = tx[4];
  5538. top = tx[5] - fontAscent;
  5539. } else {
  5540. left = tx[4] + fontAscent * Math.sin(angle);
  5541. top = tx[5] - fontAscent * Math.cos(angle);
  5542. }
  5543. styleBuf[1] = left;
  5544. styleBuf[3] = top;
  5545. styleBuf[5] = fontHeight;
  5546. styleBuf[7] = style.fontFamily;
  5547. textDivProperties.style = styleBuf.join('');
  5548. textDiv.setAttribute('style', textDivProperties.style);
  5549. textDiv.textContent = geom.str;
  5550. if (getDefaultSetting('pdfBug')) {
  5551. textDiv.dataset.fontName = geom.fontName;
  5552. }
  5553. if (angle !== 0) {
  5554. textDivProperties.angle = angle * (180 / Math.PI);
  5555. }
  5556. if (geom.str.length > 1) {
  5557. if (style.vertical) {
  5558. textDivProperties.canvasWidth = geom.height * task._viewport.scale;
  5559. } else {
  5560. textDivProperties.canvasWidth = geom.width * task._viewport.scale;
  5561. }
  5562. }
  5563. task._textDivProperties.set(textDiv, textDivProperties);
  5564. if (task._enhanceTextSelection) {
  5565. var angleCos = 1, angleSin = 0;
  5566. if (angle !== 0) {
  5567. angleCos = Math.cos(angle);
  5568. angleSin = Math.sin(angle);
  5569. }
  5570. var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
  5571. var divHeight = fontHeight;
  5572. var m, b;
  5573. if (angle !== 0) {
  5574. m = [
  5575. angleCos,
  5576. angleSin,
  5577. -angleSin,
  5578. angleCos,
  5579. left,
  5580. top
  5581. ];
  5582. b = Util.getAxialAlignedBoundingBox([
  5583. 0,
  5584. 0,
  5585. divWidth,
  5586. divHeight
  5587. ], m);
  5588. } else {
  5589. b = [
  5590. left,
  5591. top,
  5592. left + divWidth,
  5593. top + divHeight
  5594. ];
  5595. }
  5596. task._bounds.push({
  5597. left: b[0],
  5598. top: b[1],
  5599. right: b[2],
  5600. bottom: b[3],
  5601. div: textDiv,
  5602. size: [
  5603. divWidth,
  5604. divHeight
  5605. ],
  5606. m: m
  5607. });
  5608. }
  5609. }
  5610. function render(task) {
  5611. if (task._canceled) {
  5612. return;
  5613. }
  5614. var textLayerFrag = task._container;
  5615. var textDivs = task._textDivs;
  5616. var capability = task._capability;
  5617. var textDivsLength = textDivs.length;
  5618. if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
  5619. task._renderingDone = true;
  5620. capability.resolve();
  5621. return;
  5622. }
  5623. var canvas = document.createElement('canvas');
  5624. canvas.mozOpaque = true;
  5625. var ctx = canvas.getContext('2d', { alpha: false });
  5626. var lastFontSize;
  5627. var lastFontFamily;
  5628. for (var i = 0; i < textDivsLength; i++) {
  5629. var textDiv = textDivs[i];
  5630. var textDivProperties = task._textDivProperties.get(textDiv);
  5631. if (textDivProperties.isWhitespace) {
  5632. continue;
  5633. }
  5634. var fontSize = textDiv.style.fontSize;
  5635. var fontFamily = textDiv.style.fontFamily;
  5636. if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
  5637. ctx.font = fontSize + ' ' + fontFamily;
  5638. lastFontSize = fontSize;
  5639. lastFontFamily = fontFamily;
  5640. }
  5641. var width = ctx.measureText(textDiv.textContent).width;
  5642. textLayerFrag.appendChild(textDiv);
  5643. var transform = '';
  5644. if (textDivProperties.canvasWidth !== 0 && width > 0) {
  5645. textDivProperties.scale = textDivProperties.canvasWidth / width;
  5646. transform = 'scaleX(' + textDivProperties.scale + ')';
  5647. }
  5648. if (textDivProperties.angle !== 0) {
  5649. transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
  5650. }
  5651. if (transform !== '') {
  5652. textDivProperties.originalTransform = transform;
  5653. CustomStyle.setProp('transform', textDiv, transform);
  5654. }
  5655. task._textDivProperties.set(textDiv, textDivProperties);
  5656. }
  5657. task._renderingDone = true;
  5658. capability.resolve();
  5659. }
  5660. function expand(task) {
  5661. var bounds = task._bounds;
  5662. var viewport = task._viewport;
  5663. var expanded = expandBounds(viewport.width, viewport.height, bounds);
  5664. for (var i = 0; i < expanded.length; i++) {
  5665. var div = bounds[i].div;
  5666. var divProperties = task._textDivProperties.get(div);
  5667. if (divProperties.angle === 0) {
  5668. divProperties.paddingLeft = bounds[i].left - expanded[i].left;
  5669. divProperties.paddingTop = bounds[i].top - expanded[i].top;
  5670. divProperties.paddingRight = expanded[i].right - bounds[i].right;
  5671. divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
  5672. task._textDivProperties.set(div, divProperties);
  5673. continue;
  5674. }
  5675. var e = expanded[i], b = bounds[i];
  5676. var m = b.m, c = m[0], s = m[1];
  5677. var points = [
  5678. [
  5679. 0,
  5680. 0
  5681. ],
  5682. [
  5683. 0,
  5684. b.size[1]
  5685. ],
  5686. [
  5687. b.size[0],
  5688. 0
  5689. ],
  5690. b.size
  5691. ];
  5692. var ts = new Float64Array(64);
  5693. points.forEach(function (p, i) {
  5694. var t = Util.applyTransform(p, m);
  5695. ts[i + 0] = c && (e.left - t[0]) / c;
  5696. ts[i + 4] = s && (e.top - t[1]) / s;
  5697. ts[i + 8] = c && (e.right - t[0]) / c;
  5698. ts[i + 12] = s && (e.bottom - t[1]) / s;
  5699. ts[i + 16] = s && (e.left - t[0]) / -s;
  5700. ts[i + 20] = c && (e.top - t[1]) / c;
  5701. ts[i + 24] = s && (e.right - t[0]) / -s;
  5702. ts[i + 28] = c && (e.bottom - t[1]) / c;
  5703. ts[i + 32] = c && (e.left - t[0]) / -c;
  5704. ts[i + 36] = s && (e.top - t[1]) / -s;
  5705. ts[i + 40] = c && (e.right - t[0]) / -c;
  5706. ts[i + 44] = s && (e.bottom - t[1]) / -s;
  5707. ts[i + 48] = s && (e.left - t[0]) / s;
  5708. ts[i + 52] = c && (e.top - t[1]) / -c;
  5709. ts[i + 56] = s && (e.right - t[0]) / s;
  5710. ts[i + 60] = c && (e.bottom - t[1]) / -c;
  5711. });
  5712. var findPositiveMin = function (ts, offset, count) {
  5713. var result = 0;
  5714. for (var i = 0; i < count; i++) {
  5715. var t = ts[offset++];
  5716. if (t > 0) {
  5717. result = result ? Math.min(t, result) : t;
  5718. }
  5719. }
  5720. return result;
  5721. };
  5722. var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
  5723. divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
  5724. divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
  5725. divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
  5726. divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
  5727. task._textDivProperties.set(div, divProperties);
  5728. }
  5729. }
  5730. function expandBounds(width, height, boxes) {
  5731. var bounds = boxes.map(function (box, i) {
  5732. return {
  5733. x1: box.left,
  5734. y1: box.top,
  5735. x2: box.right,
  5736. y2: box.bottom,
  5737. index: i,
  5738. x1New: undefined,
  5739. x2New: undefined
  5740. };
  5741. });
  5742. expandBoundsLTR(width, bounds);
  5743. var expanded = new Array(boxes.length);
  5744. bounds.forEach(function (b) {
  5745. var i = b.index;
  5746. expanded[i] = {
  5747. left: b.x1New,
  5748. top: 0,
  5749. right: b.x2New,
  5750. bottom: 0
  5751. };
  5752. });
  5753. boxes.map(function (box, i) {
  5754. var e = expanded[i], b = bounds[i];
  5755. b.x1 = box.top;
  5756. b.y1 = width - e.right;
  5757. b.x2 = box.bottom;
  5758. b.y2 = width - e.left;
  5759. b.index = i;
  5760. b.x1New = undefined;
  5761. b.x2New = undefined;
  5762. });
  5763. expandBoundsLTR(height, bounds);
  5764. bounds.forEach(function (b) {
  5765. var i = b.index;
  5766. expanded[i].top = b.x1New;
  5767. expanded[i].bottom = b.x2New;
  5768. });
  5769. return expanded;
  5770. }
  5771. function expandBoundsLTR(width, bounds) {
  5772. bounds.sort(function (a, b) {
  5773. return a.x1 - b.x1 || a.index - b.index;
  5774. });
  5775. var fakeBoundary = {
  5776. x1: -Infinity,
  5777. y1: -Infinity,
  5778. x2: 0,
  5779. y2: Infinity,
  5780. index: -1,
  5781. x1New: 0,
  5782. x2New: 0
  5783. };
  5784. var horizon = [{
  5785. start: -Infinity,
  5786. end: Infinity,
  5787. boundary: fakeBoundary
  5788. }];
  5789. bounds.forEach(function (boundary) {
  5790. var i = 0;
  5791. while (i < horizon.length && horizon[i].end <= boundary.y1) {
  5792. i++;
  5793. }
  5794. var j = horizon.length - 1;
  5795. while (j >= 0 && horizon[j].start >= boundary.y2) {
  5796. j--;
  5797. }
  5798. var horizonPart, affectedBoundary;
  5799. var q, k, maxXNew = -Infinity;
  5800. for (q = i; q <= j; q++) {
  5801. horizonPart = horizon[q];
  5802. affectedBoundary = horizonPart.boundary;
  5803. var xNew;
  5804. if (affectedBoundary.x2 > boundary.x1) {
  5805. xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
  5806. } else if (affectedBoundary.x2New === undefined) {
  5807. xNew = (affectedBoundary.x2 + boundary.x1) / 2;
  5808. } else {
  5809. xNew = affectedBoundary.x2New;
  5810. }
  5811. if (xNew > maxXNew) {
  5812. maxXNew = xNew;
  5813. }
  5814. }
  5815. boundary.x1New = maxXNew;
  5816. for (q = i; q <= j; q++) {
  5817. horizonPart = horizon[q];
  5818. affectedBoundary = horizonPart.boundary;
  5819. if (affectedBoundary.x2New === undefined) {
  5820. if (affectedBoundary.x2 > boundary.x1) {
  5821. if (affectedBoundary.index > boundary.index) {
  5822. affectedBoundary.x2New = affectedBoundary.x2;
  5823. }
  5824. } else {
  5825. affectedBoundary.x2New = maxXNew;
  5826. }
  5827. } else if (affectedBoundary.x2New > maxXNew) {
  5828. affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
  5829. }
  5830. }
  5831. var changedHorizon = [], lastBoundary = null;
  5832. for (q = i; q <= j; q++) {
  5833. horizonPart = horizon[q];
  5834. affectedBoundary = horizonPart.boundary;
  5835. var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
  5836. if (lastBoundary === useBoundary) {
  5837. changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
  5838. } else {
  5839. changedHorizon.push({
  5840. start: horizonPart.start,
  5841. end: horizonPart.end,
  5842. boundary: useBoundary
  5843. });
  5844. lastBoundary = useBoundary;
  5845. }
  5846. }
  5847. if (horizon[i].start < boundary.y1) {
  5848. changedHorizon[0].start = boundary.y1;
  5849. changedHorizon.unshift({
  5850. start: horizon[i].start,
  5851. end: boundary.y1,
  5852. boundary: horizon[i].boundary
  5853. });
  5854. }
  5855. if (boundary.y2 < horizon[j].end) {
  5856. changedHorizon[changedHorizon.length - 1].end = boundary.y2;
  5857. changedHorizon.push({
  5858. start: boundary.y2,
  5859. end: horizon[j].end,
  5860. boundary: horizon[j].boundary
  5861. });
  5862. }
  5863. for (q = i; q <= j; q++) {
  5864. horizonPart = horizon[q];
  5865. affectedBoundary = horizonPart.boundary;
  5866. if (affectedBoundary.x2New !== undefined) {
  5867. continue;
  5868. }
  5869. var used = false;
  5870. for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
  5871. used = horizon[k].boundary === affectedBoundary;
  5872. }
  5873. for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
  5874. used = horizon[k].boundary === affectedBoundary;
  5875. }
  5876. for (k = 0; !used && k < changedHorizon.length; k++) {
  5877. used = changedHorizon[k].boundary === affectedBoundary;
  5878. }
  5879. if (!used) {
  5880. affectedBoundary.x2New = maxXNew;
  5881. }
  5882. }
  5883. Array.prototype.splice.apply(horizon, [
  5884. i,
  5885. j - i + 1
  5886. ].concat(changedHorizon));
  5887. });
  5888. horizon.forEach(function (horizonPart) {
  5889. var affectedBoundary = horizonPart.boundary;
  5890. if (affectedBoundary.x2New === undefined) {
  5891. affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
  5892. }
  5893. });
  5894. }
  5895. function TextLayerRenderTask(textContent, container, viewport, textDivs, enhanceTextSelection) {
  5896. this._textContent = textContent;
  5897. this._container = container;
  5898. this._viewport = viewport;
  5899. this._textDivs = textDivs || [];
  5900. this._textDivProperties = new WeakMap();
  5901. this._renderingDone = false;
  5902. this._canceled = false;
  5903. this._capability = createPromiseCapability();
  5904. this._renderTimer = null;
  5905. this._bounds = [];
  5906. this._enhanceTextSelection = !!enhanceTextSelection;
  5907. }
  5908. TextLayerRenderTask.prototype = {
  5909. get promise() {
  5910. return this._capability.promise;
  5911. },
  5912. cancel: function TextLayer_cancel() {
  5913. this._canceled = true;
  5914. if (this._renderTimer !== null) {
  5915. clearTimeout(this._renderTimer);
  5916. this._renderTimer = null;
  5917. }
  5918. this._capability.reject('canceled');
  5919. },
  5920. _render: function TextLayer_render(timeout) {
  5921. var textItems = this._textContent.items;
  5922. var textStyles = this._textContent.styles;
  5923. for (var i = 0, len = textItems.length; i < len; i++) {
  5924. appendText(this, textItems[i], textStyles);
  5925. }
  5926. if (!timeout) {
  5927. render(this);
  5928. } else {
  5929. var self = this;
  5930. this._renderTimer = setTimeout(function () {
  5931. render(self);
  5932. self._renderTimer = null;
  5933. }, timeout);
  5934. }
  5935. },
  5936. expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
  5937. if (!this._enhanceTextSelection || !this._renderingDone) {
  5938. return;
  5939. }
  5940. if (this._bounds !== null) {
  5941. expand(this);
  5942. this._bounds = null;
  5943. }
  5944. for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
  5945. var div = this._textDivs[i];
  5946. var divProperties = this._textDivProperties.get(div);
  5947. if (divProperties.isWhitespace) {
  5948. continue;
  5949. }
  5950. if (expandDivs) {
  5951. var transform = '', padding = '';
  5952. if (divProperties.scale !== 1) {
  5953. transform = 'scaleX(' + divProperties.scale + ')';
  5954. }
  5955. if (divProperties.angle !== 0) {
  5956. transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
  5957. }
  5958. if (divProperties.paddingLeft !== 0) {
  5959. padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
  5960. transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
  5961. }
  5962. if (divProperties.paddingTop !== 0) {
  5963. padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
  5964. transform += ' translateY(' + -divProperties.paddingTop + 'px)';
  5965. }
  5966. if (divProperties.paddingRight !== 0) {
  5967. padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
  5968. }
  5969. if (divProperties.paddingBottom !== 0) {
  5970. padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
  5971. }
  5972. if (padding !== '') {
  5973. div.setAttribute('style', divProperties.style + padding);
  5974. }
  5975. if (transform !== '') {
  5976. CustomStyle.setProp('transform', div, transform);
  5977. }
  5978. } else {
  5979. div.style.padding = 0;
  5980. CustomStyle.setProp('transform', div, divProperties.originalTransform || '');
  5981. }
  5982. }
  5983. }
  5984. };
  5985. function renderTextLayer(renderParameters) {
  5986. var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection);
  5987. task._render(renderParameters.timeout);
  5988. return task;
  5989. }
  5990. return renderTextLayer;
  5991. }();
  5992. exports.renderTextLayer = renderTextLayer;
  5993. /***/ }),
  5994. /* 6 */
  5995. /***/ (function(module, exports, __w_pdfjs_require__) {
  5996. "use strict";
  5997. var sharedUtil = __w_pdfjs_require__(0);
  5998. var error = sharedUtil.error;
  5999. function fixMetadata(meta) {
  6000. return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
  6001. var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
  6002. return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
  6003. });
  6004. var chars = '';
  6005. for (var i = 0; i < bytes.length; i += 2) {
  6006. var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
  6007. chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
  6008. }
  6009. return '>' + chars;
  6010. });
  6011. }
  6012. function Metadata(meta) {
  6013. if (typeof meta === 'string') {
  6014. meta = fixMetadata(meta);
  6015. var parser = new DOMParser();
  6016. meta = parser.parseFromString(meta, 'application/xml');
  6017. } else if (!(meta instanceof Document)) {
  6018. error('Metadata: Invalid metadata object');
  6019. }
  6020. this.metaDocument = meta;
  6021. this.metadata = Object.create(null);
  6022. this.parse();
  6023. }
  6024. Metadata.prototype = {
  6025. parse: function Metadata_parse() {
  6026. var doc = this.metaDocument;
  6027. var rdf = doc.documentElement;
  6028. if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
  6029. rdf = rdf.firstChild;
  6030. while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
  6031. rdf = rdf.nextSibling;
  6032. }
  6033. }
  6034. var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
  6035. if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
  6036. return;
  6037. }
  6038. var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
  6039. for (i = 0, length = children.length; i < length; i++) {
  6040. desc = children[i];
  6041. if (desc.nodeName.toLowerCase() !== 'rdf:description') {
  6042. continue;
  6043. }
  6044. for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
  6045. if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
  6046. entry = desc.childNodes[ii];
  6047. name = entry.nodeName.toLowerCase();
  6048. this.metadata[name] = entry.textContent.trim();
  6049. }
  6050. }
  6051. }
  6052. },
  6053. get: function Metadata_get(name) {
  6054. return this.metadata[name] || null;
  6055. },
  6056. has: function Metadata_has(name) {
  6057. return typeof this.metadata[name] !== 'undefined';
  6058. }
  6059. };
  6060. exports.Metadata = Metadata;
  6061. /***/ }),
  6062. /* 7 */
  6063. /***/ (function(module, exports, __w_pdfjs_require__) {
  6064. "use strict";
  6065. var sharedUtil = __w_pdfjs_require__(0);
  6066. var displayDOMUtils = __w_pdfjs_require__(1);
  6067. var shadow = sharedUtil.shadow;
  6068. var getDefaultSetting = displayDOMUtils.getDefaultSetting;
  6069. var WebGLUtils = function WebGLUtilsClosure() {
  6070. function loadShader(gl, code, shaderType) {
  6071. var shader = gl.createShader(shaderType);
  6072. gl.shaderSource(shader, code);
  6073. gl.compileShader(shader);
  6074. var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
  6075. if (!compiled) {
  6076. var errorMsg = gl.getShaderInfoLog(shader);
  6077. throw new Error('Error during shader compilation: ' + errorMsg);
  6078. }
  6079. return shader;
  6080. }
  6081. function createVertexShader(gl, code) {
  6082. return loadShader(gl, code, gl.VERTEX_SHADER);
  6083. }
  6084. function createFragmentShader(gl, code) {
  6085. return loadShader(gl, code, gl.FRAGMENT_SHADER);
  6086. }
  6087. function createProgram(gl, shaders) {
  6088. var program = gl.createProgram();
  6089. for (var i = 0, ii = shaders.length; i < ii; ++i) {
  6090. gl.attachShader(program, shaders[i]);
  6091. }
  6092. gl.linkProgram(program);
  6093. var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
  6094. if (!linked) {
  6095. var errorMsg = gl.getProgramInfoLog(program);
  6096. throw new Error('Error during program linking: ' + errorMsg);
  6097. }
  6098. return program;
  6099. }
  6100. function createTexture(gl, image, textureId) {
  6101. gl.activeTexture(textureId);
  6102. var texture = gl.createTexture();
  6103. gl.bindTexture(gl.TEXTURE_2D, texture);
  6104. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
  6105. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
  6106. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
  6107. gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
  6108. gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
  6109. return texture;
  6110. }
  6111. var currentGL, currentCanvas;
  6112. function generateGL() {
  6113. if (currentGL) {
  6114. return;
  6115. }
  6116. currentCanvas = document.createElement('canvas');
  6117. currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false });
  6118. }
  6119. var smaskVertexShaderCode = '\
  6120. attribute vec2 a_position; \
  6121. attribute vec2 a_texCoord; \
  6122. \
  6123. uniform vec2 u_resolution; \
  6124. \
  6125. varying vec2 v_texCoord; \
  6126. \
  6127. void main() { \
  6128. vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \
  6129. gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
  6130. \
  6131. v_texCoord = a_texCoord; \
  6132. } ';
  6133. var smaskFragmentShaderCode = '\
  6134. precision mediump float; \
  6135. \
  6136. uniform vec4 u_backdrop; \
  6137. uniform int u_subtype; \
  6138. uniform sampler2D u_image; \
  6139. uniform sampler2D u_mask; \
  6140. \
  6141. varying vec2 v_texCoord; \
  6142. \
  6143. void main() { \
  6144. vec4 imageColor = texture2D(u_image, v_texCoord); \
  6145. vec4 maskColor = texture2D(u_mask, v_texCoord); \
  6146. if (u_backdrop.a > 0.0) { \
  6147. maskColor.rgb = maskColor.rgb * maskColor.a + \
  6148. u_backdrop.rgb * (1.0 - maskColor.a); \
  6149. } \
  6150. float lum; \
  6151. if (u_subtype == 0) { \
  6152. lum = maskColor.a; \
  6153. } else { \
  6154. lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \
  6155. maskColor.b * 0.11; \
  6156. } \
  6157. imageColor.a *= lum; \
  6158. imageColor.rgb *= imageColor.a; \
  6159. gl_FragColor = imageColor; \
  6160. } ';
  6161. var smaskCache = null;
  6162. function initSmaskGL() {
  6163. var canvas, gl;
  6164. generateGL();
  6165. canvas = currentCanvas;
  6166. currentCanvas = null;
  6167. gl = currentGL;
  6168. currentGL = null;
  6169. var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
  6170. var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
  6171. var program = createProgram(gl, [
  6172. vertexShader,
  6173. fragmentShader
  6174. ]);
  6175. gl.useProgram(program);
  6176. var cache = {};
  6177. cache.gl = gl;
  6178. cache.canvas = canvas;
  6179. cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
  6180. cache.positionLocation = gl.getAttribLocation(program, 'a_position');
  6181. cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
  6182. cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
  6183. var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
  6184. var texLayerLocation = gl.getUniformLocation(program, 'u_image');
  6185. var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
  6186. var texCoordBuffer = gl.createBuffer();
  6187. gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
  6188. gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
  6189. 0.0,
  6190. 0.0,
  6191. 1.0,
  6192. 0.0,
  6193. 0.0,
  6194. 1.0,
  6195. 0.0,
  6196. 1.0,
  6197. 1.0,
  6198. 0.0,
  6199. 1.0,
  6200. 1.0
  6201. ]), gl.STATIC_DRAW);
  6202. gl.enableVertexAttribArray(texCoordLocation);
  6203. gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
  6204. gl.uniform1i(texLayerLocation, 0);
  6205. gl.uniform1i(texMaskLocation, 1);
  6206. smaskCache = cache;
  6207. }
  6208. function composeSMask(layer, mask, properties) {
  6209. var width = layer.width, height = layer.height;
  6210. if (!smaskCache) {
  6211. initSmaskGL();
  6212. }
  6213. var cache = smaskCache, canvas = cache.canvas, gl = cache.gl;
  6214. canvas.width = width;
  6215. canvas.height = height;
  6216. gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
  6217. gl.uniform2f(cache.resolutionLocation, width, height);
  6218. if (properties.backdrop) {
  6219. gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
  6220. } else {
  6221. gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
  6222. }
  6223. gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0);
  6224. var texture = createTexture(gl, layer, gl.TEXTURE0);
  6225. var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
  6226. var buffer = gl.createBuffer();
  6227. gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
  6228. gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
  6229. 0,
  6230. 0,
  6231. width,
  6232. 0,
  6233. 0,
  6234. height,
  6235. 0,
  6236. height,
  6237. width,
  6238. 0,
  6239. width,
  6240. height
  6241. ]), gl.STATIC_DRAW);
  6242. gl.enableVertexAttribArray(cache.positionLocation);
  6243. gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
  6244. gl.clearColor(0, 0, 0, 0);
  6245. gl.enable(gl.BLEND);
  6246. gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
  6247. gl.clear(gl.COLOR_BUFFER_BIT);
  6248. gl.drawArrays(gl.TRIANGLES, 0, 6);
  6249. gl.flush();
  6250. gl.deleteTexture(texture);
  6251. gl.deleteTexture(maskTexture);
  6252. gl.deleteBuffer(buffer);
  6253. return canvas;
  6254. }
  6255. var figuresVertexShaderCode = '\
  6256. attribute vec2 a_position; \
  6257. attribute vec3 a_color; \
  6258. \
  6259. uniform vec2 u_resolution; \
  6260. uniform vec2 u_scale; \
  6261. uniform vec2 u_offset; \
  6262. \
  6263. varying vec4 v_color; \
  6264. \
  6265. void main() { \
  6266. vec2 position = (a_position + u_offset) * u_scale; \
  6267. vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \
  6268. gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
  6269. \
  6270. v_color = vec4(a_color / 255.0, 1.0); \
  6271. } ';
  6272. var figuresFragmentShaderCode = '\
  6273. precision mediump float; \
  6274. \
  6275. varying vec4 v_color; \
  6276. \
  6277. void main() { \
  6278. gl_FragColor = v_color; \
  6279. } ';
  6280. var figuresCache = null;
  6281. function initFiguresGL() {
  6282. var canvas, gl;
  6283. generateGL();
  6284. canvas = currentCanvas;
  6285. currentCanvas = null;
  6286. gl = currentGL;
  6287. currentGL = null;
  6288. var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
  6289. var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
  6290. var program = createProgram(gl, [
  6291. vertexShader,
  6292. fragmentShader
  6293. ]);
  6294. gl.useProgram(program);
  6295. var cache = {};
  6296. cache.gl = gl;
  6297. cache.canvas = canvas;
  6298. cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
  6299. cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
  6300. cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
  6301. cache.positionLocation = gl.getAttribLocation(program, 'a_position');
  6302. cache.colorLocation = gl.getAttribLocation(program, 'a_color');
  6303. figuresCache = cache;
  6304. }
  6305. function drawFigures(width, height, backgroundColor, figures, context) {
  6306. if (!figuresCache) {
  6307. initFiguresGL();
  6308. }
  6309. var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;
  6310. canvas.width = width;
  6311. canvas.height = height;
  6312. gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
  6313. gl.uniform2f(cache.resolutionLocation, width, height);
  6314. var count = 0;
  6315. var i, ii, rows;
  6316. for (i = 0, ii = figures.length; i < ii; i++) {
  6317. switch (figures[i].type) {
  6318. case 'lattice':
  6319. rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
  6320. count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
  6321. break;
  6322. case 'triangles':
  6323. count += figures[i].coords.length;
  6324. break;
  6325. }
  6326. }
  6327. var coords = new Float32Array(count * 2);
  6328. var colors = new Uint8Array(count * 3);
  6329. var coordsMap = context.coords, colorsMap = context.colors;
  6330. var pIndex = 0, cIndex = 0;
  6331. for (i = 0, ii = figures.length; i < ii; i++) {
  6332. var figure = figures[i], ps = figure.coords, cs = figure.colors;
  6333. switch (figure.type) {
  6334. case 'lattice':
  6335. var cols = figure.verticesPerRow;
  6336. rows = ps.length / cols | 0;
  6337. for (var row = 1; row < rows; row++) {
  6338. var offset = row * cols + 1;
  6339. for (var col = 1; col < cols; col++, offset++) {
  6340. coords[pIndex] = coordsMap[ps[offset - cols - 1]];
  6341. coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
  6342. coords[pIndex + 2] = coordsMap[ps[offset - cols]];
  6343. coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
  6344. coords[pIndex + 4] = coordsMap[ps[offset - 1]];
  6345. coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
  6346. colors[cIndex] = colorsMap[cs[offset - cols - 1]];
  6347. colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
  6348. colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
  6349. colors[cIndex + 3] = colorsMap[cs[offset - cols]];
  6350. colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
  6351. colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
  6352. colors[cIndex + 6] = colorsMap[cs[offset - 1]];
  6353. colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
  6354. colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
  6355. coords[pIndex + 6] = coords[pIndex + 2];
  6356. coords[pIndex + 7] = coords[pIndex + 3];
  6357. coords[pIndex + 8] = coords[pIndex + 4];
  6358. coords[pIndex + 9] = coords[pIndex + 5];
  6359. coords[pIndex + 10] = coordsMap[ps[offset]];
  6360. coords[pIndex + 11] = coordsMap[ps[offset] + 1];
  6361. colors[cIndex + 9] = colors[cIndex + 3];
  6362. colors[cIndex + 10] = colors[cIndex + 4];
  6363. colors[cIndex + 11] = colors[cIndex + 5];
  6364. colors[cIndex + 12] = colors[cIndex + 6];
  6365. colors[cIndex + 13] = colors[cIndex + 7];
  6366. colors[cIndex + 14] = colors[cIndex + 8];
  6367. colors[cIndex + 15] = colorsMap[cs[offset]];
  6368. colors[cIndex + 16] = colorsMap[cs[offset] + 1];
  6369. colors[cIndex + 17] = colorsMap[cs[offset] + 2];
  6370. pIndex += 12;
  6371. cIndex += 18;
  6372. }
  6373. }
  6374. break;
  6375. case 'triangles':
  6376. for (var j = 0, jj = ps.length; j < jj; j++) {
  6377. coords[pIndex] = coordsMap[ps[j]];
  6378. coords[pIndex + 1] = coordsMap[ps[j] + 1];
  6379. colors[cIndex] = colorsMap[cs[j]];
  6380. colors[cIndex + 1] = colorsMap[cs[j] + 1];
  6381. colors[cIndex + 2] = colorsMap[cs[j] + 2];
  6382. pIndex += 2;
  6383. cIndex += 3;
  6384. }
  6385. break;
  6386. }
  6387. }
  6388. if (backgroundColor) {
  6389. gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
  6390. } else {
  6391. gl.clearColor(0, 0, 0, 0);
  6392. }
  6393. gl.clear(gl.COLOR_BUFFER_BIT);
  6394. var coordsBuffer = gl.createBuffer();
  6395. gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
  6396. gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
  6397. gl.enableVertexAttribArray(cache.positionLocation);
  6398. gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
  6399. var colorsBuffer = gl.createBuffer();
  6400. gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
  6401. gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
  6402. gl.enableVertexAttribArray(cache.colorLocation);
  6403. gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
  6404. gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
  6405. gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
  6406. gl.drawArrays(gl.TRIANGLES, 0, count);
  6407. gl.flush();
  6408. gl.deleteBuffer(coordsBuffer);
  6409. gl.deleteBuffer(colorsBuffer);
  6410. return canvas;
  6411. }
  6412. function cleanup() {
  6413. if (smaskCache && smaskCache.canvas) {
  6414. smaskCache.canvas.width = 0;
  6415. smaskCache.canvas.height = 0;
  6416. }
  6417. if (figuresCache && figuresCache.canvas) {
  6418. figuresCache.canvas.width = 0;
  6419. figuresCache.canvas.height = 0;
  6420. }
  6421. smaskCache = null;
  6422. figuresCache = null;
  6423. }
  6424. return {
  6425. get isEnabled() {
  6426. if (getDefaultSetting('disableWebGL')) {
  6427. return false;
  6428. }
  6429. var enabled = false;
  6430. try {
  6431. generateGL();
  6432. enabled = !!currentGL;
  6433. } catch (e) {
  6434. }
  6435. return shadow(this, 'isEnabled', enabled);
  6436. },
  6437. composeSMask: composeSMask,
  6438. drawFigures: drawFigures,
  6439. clear: cleanup
  6440. };
  6441. }();
  6442. exports.WebGLUtils = WebGLUtils;
  6443. /***/ }),
  6444. /* 8 */
  6445. /***/ (function(module, exports, __w_pdfjs_require__) {
  6446. "use strict";
  6447. var sharedUtil = __w_pdfjs_require__(0);
  6448. var displayDOMUtils = __w_pdfjs_require__(1);
  6449. var displayAPI = __w_pdfjs_require__(3);
  6450. var displayAnnotationLayer = __w_pdfjs_require__(2);
  6451. var displayTextLayer = __w_pdfjs_require__(5);
  6452. var displayMetadata = __w_pdfjs_require__(6);
  6453. var displaySVG = __w_pdfjs_require__(4);
  6454. var globalScope = sharedUtil.globalScope;
  6455. var deprecated = sharedUtil.deprecated;
  6456. var warn = sharedUtil.warn;
  6457. var LinkTarget = displayDOMUtils.LinkTarget;
  6458. var DEFAULT_LINK_REL = displayDOMUtils.DEFAULT_LINK_REL;
  6459. var isWorker = typeof window === 'undefined';
  6460. if (!globalScope.PDFJS) {
  6461. globalScope.PDFJS = {};
  6462. }
  6463. var PDFJS = globalScope.PDFJS;
  6464. PDFJS.version = '1.7.280';
  6465. PDFJS.build = '1549a46e';
  6466. PDFJS.pdfBug = false;
  6467. if (PDFJS.verbosity !== undefined) {
  6468. sharedUtil.setVerbosityLevel(PDFJS.verbosity);
  6469. }
  6470. delete PDFJS.verbosity;
  6471. Object.defineProperty(PDFJS, 'verbosity', {
  6472. get: function () {
  6473. return sharedUtil.getVerbosityLevel();
  6474. },
  6475. set: function (level) {
  6476. sharedUtil.setVerbosityLevel(level);
  6477. },
  6478. enumerable: true,
  6479. configurable: true
  6480. });
  6481. PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS;
  6482. PDFJS.OPS = sharedUtil.OPS;
  6483. PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
  6484. PDFJS.isValidUrl = displayDOMUtils.isValidUrl;
  6485. PDFJS.shadow = sharedUtil.shadow;
  6486. PDFJS.createBlob = sharedUtil.createBlob;
  6487. PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
  6488. return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);
  6489. };
  6490. Object.defineProperty(PDFJS, 'isLittleEndian', {
  6491. configurable: true,
  6492. get: function PDFJS_isLittleEndian() {
  6493. var value = sharedUtil.isLittleEndian();
  6494. return sharedUtil.shadow(PDFJS, 'isLittleEndian', value);
  6495. }
  6496. });
  6497. PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters;
  6498. PDFJS.PasswordResponses = sharedUtil.PasswordResponses;
  6499. PDFJS.PasswordException = sharedUtil.PasswordException;
  6500. PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException;
  6501. PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException;
  6502. PDFJS.MissingPDFException = sharedUtil.MissingPDFException;
  6503. PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
  6504. PDFJS.Util = sharedUtil.Util;
  6505. PDFJS.PageViewport = sharedUtil.PageViewport;
  6506. PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability;
  6507. PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize;
  6508. PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl;
  6509. PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
  6510. PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace;
  6511. PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath;
  6512. PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker;
  6513. PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc;
  6514. PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange;
  6515. PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream;
  6516. PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch;
  6517. PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug;
  6518. PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers;
  6519. PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL;
  6520. PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL;
  6521. PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget;
  6522. PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? DEFAULT_LINK_REL : PDFJS.externalLinkRel;
  6523. PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported;
  6524. var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
  6525. delete PDFJS.openExternalLinksInNewWindow;
  6526. Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
  6527. get: function () {
  6528. return PDFJS.externalLinkTarget === LinkTarget.BLANK;
  6529. },
  6530. set: function (value) {
  6531. if (value) {
  6532. deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
  6533. }
  6534. if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {
  6535. warn('PDFJS.externalLinkTarget is already initialized');
  6536. return;
  6537. }
  6538. PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;
  6539. },
  6540. enumerable: true,
  6541. configurable: true
  6542. });
  6543. if (savedOpenExternalLinksInNewWindow) {
  6544. PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
  6545. }
  6546. PDFJS.getDocument = displayAPI.getDocument;
  6547. PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
  6548. PDFJS.PDFWorker = displayAPI.PDFWorker;
  6549. Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
  6550. configurable: true,
  6551. get: function PDFJS_hasCanvasTypedArrays() {
  6552. var value = displayDOMUtils.hasCanvasTypedArrays();
  6553. return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
  6554. }
  6555. });
  6556. PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
  6557. PDFJS.LinkTarget = LinkTarget;
  6558. PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
  6559. PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
  6560. PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
  6561. PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer;
  6562. PDFJS.renderTextLayer = displayTextLayer.renderTextLayer;
  6563. PDFJS.Metadata = displayMetadata.Metadata;
  6564. PDFJS.SVGGraphics = displaySVG.SVGGraphics;
  6565. PDFJS.UnsupportedManager = displayAPI._UnsupportedManager;
  6566. exports.globalScope = globalScope;
  6567. exports.isWorker = isWorker;
  6568. exports.PDFJS = globalScope.PDFJS;
  6569. /***/ }),
  6570. /* 9 */
  6571. /***/ (function(module, exports) {
  6572. var g;
  6573. g = function () {
  6574. return this;
  6575. }();
  6576. try {
  6577. g = g || Function("return this")() || (1, eval)("this");
  6578. } catch (e) {
  6579. if (typeof window === "object")
  6580. g = window;
  6581. }
  6582. module.exports = g;
  6583. /***/ }),
  6584. /* 10 */
  6585. /***/ (function(module, exports, __w_pdfjs_require__) {
  6586. "use strict";
  6587. var sharedUtil = __w_pdfjs_require__(0);
  6588. var displayDOMUtils = __w_pdfjs_require__(1);
  6589. var displayPatternHelper = __w_pdfjs_require__(12);
  6590. var displayWebGL = __w_pdfjs_require__(7);
  6591. var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
  6592. var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
  6593. var ImageKind = sharedUtil.ImageKind;
  6594. var OPS = sharedUtil.OPS;
  6595. var TextRenderingMode = sharedUtil.TextRenderingMode;
  6596. var Uint32ArrayView = sharedUtil.Uint32ArrayView;
  6597. var Util = sharedUtil.Util;
  6598. var assert = sharedUtil.assert;
  6599. var info = sharedUtil.info;
  6600. var isNum = sharedUtil.isNum;
  6601. var isArray = sharedUtil.isArray;
  6602. var isLittleEndian = sharedUtil.isLittleEndian;
  6603. var error = sharedUtil.error;
  6604. var shadow = sharedUtil.shadow;
  6605. var warn = sharedUtil.warn;
  6606. var TilingPattern = displayPatternHelper.TilingPattern;
  6607. var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
  6608. var WebGLUtils = displayWebGL.WebGLUtils;
  6609. var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
  6610. var MIN_FONT_SIZE = 16;
  6611. var MAX_FONT_SIZE = 100;
  6612. var MAX_GROUP_SIZE = 4096;
  6613. var MIN_WIDTH_FACTOR = 0.65;
  6614. var COMPILE_TYPE3_GLYPHS = true;
  6615. var MAX_SIZE_TO_COMPILE = 1000;
  6616. var FULL_CHUNK_HEIGHT = 16;
  6617. var HasCanvasTypedArraysCached = {
  6618. get value() {
  6619. return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
  6620. }
  6621. };
  6622. var IsLittleEndianCached = {
  6623. get value() {
  6624. return shadow(IsLittleEndianCached, 'value', isLittleEndian());
  6625. }
  6626. };
  6627. function addContextCurrentTransform(ctx) {
  6628. if (!ctx.mozCurrentTransform) {
  6629. ctx._originalSave = ctx.save;
  6630. ctx._originalRestore = ctx.restore;
  6631. ctx._originalRotate = ctx.rotate;
  6632. ctx._originalScale = ctx.scale;
  6633. ctx._originalTranslate = ctx.translate;
  6634. ctx._originalTransform = ctx.transform;
  6635. ctx._originalSetTransform = ctx.setTransform;
  6636. ctx._transformMatrix = ctx._transformMatrix || [
  6637. 1,
  6638. 0,
  6639. 0,
  6640. 1,
  6641. 0,
  6642. 0
  6643. ];
  6644. ctx._transformStack = [];
  6645. Object.defineProperty(ctx, 'mozCurrentTransform', {
  6646. get: function getCurrentTransform() {
  6647. return this._transformMatrix;
  6648. }
  6649. });
  6650. Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
  6651. get: function getCurrentTransformInverse() {
  6652. var m = this._transformMatrix;
  6653. var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];
  6654. var ad_bc = a * d - b * c;
  6655. var bc_ad = b * c - a * d;
  6656. return [
  6657. d / ad_bc,
  6658. b / bc_ad,
  6659. c / bc_ad,
  6660. a / ad_bc,
  6661. (d * e - c * f) / bc_ad,
  6662. (b * e - a * f) / ad_bc
  6663. ];
  6664. }
  6665. });
  6666. ctx.save = function ctxSave() {
  6667. var old = this._transformMatrix;
  6668. this._transformStack.push(old);
  6669. this._transformMatrix = old.slice(0, 6);
  6670. this._originalSave();
  6671. };
  6672. ctx.restore = function ctxRestore() {
  6673. var prev = this._transformStack.pop();
  6674. if (prev) {
  6675. this._transformMatrix = prev;
  6676. this._originalRestore();
  6677. }
  6678. };
  6679. ctx.translate = function ctxTranslate(x, y) {
  6680. var m = this._transformMatrix;
  6681. m[4] = m[0] * x + m[2] * y + m[4];
  6682. m[5] = m[1] * x + m[3] * y + m[5];
  6683. this._originalTranslate(x, y);
  6684. };
  6685. ctx.scale = function ctxScale(x, y) {
  6686. var m = this._transformMatrix;
  6687. m[0] = m[0] * x;
  6688. m[1] = m[1] * x;
  6689. m[2] = m[2] * y;
  6690. m[3] = m[3] * y;
  6691. this._originalScale(x, y);
  6692. };
  6693. ctx.transform = function ctxTransform(a, b, c, d, e, f) {
  6694. var m = this._transformMatrix;
  6695. this._transformMatrix = [
  6696. m[0] * a + m[2] * b,
  6697. m[1] * a + m[3] * b,
  6698. m[0] * c + m[2] * d,
  6699. m[1] * c + m[3] * d,
  6700. m[0] * e + m[2] * f + m[4],
  6701. m[1] * e + m[3] * f + m[5]
  6702. ];
  6703. ctx._originalTransform(a, b, c, d, e, f);
  6704. };
  6705. ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
  6706. this._transformMatrix = [
  6707. a,
  6708. b,
  6709. c,
  6710. d,
  6711. e,
  6712. f
  6713. ];
  6714. ctx._originalSetTransform(a, b, c, d, e, f);
  6715. };
  6716. ctx.rotate = function ctxRotate(angle) {
  6717. var cosValue = Math.cos(angle);
  6718. var sinValue = Math.sin(angle);
  6719. var m = this._transformMatrix;
  6720. this._transformMatrix = [
  6721. m[0] * cosValue + m[2] * sinValue,
  6722. m[1] * cosValue + m[3] * sinValue,
  6723. m[0] * -sinValue + m[2] * cosValue,
  6724. m[1] * -sinValue + m[3] * cosValue,
  6725. m[4],
  6726. m[5]
  6727. ];
  6728. this._originalRotate(angle);
  6729. };
  6730. }
  6731. }
  6732. var CachedCanvases = function CachedCanvasesClosure() {
  6733. function CachedCanvases(canvasFactory) {
  6734. this.canvasFactory = canvasFactory;
  6735. this.cache = Object.create(null);
  6736. }
  6737. CachedCanvases.prototype = {
  6738. getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
  6739. var canvasEntry;
  6740. if (this.cache[id] !== undefined) {
  6741. canvasEntry = this.cache[id];
  6742. this.canvasFactory.reset(canvasEntry, width, height);
  6743. canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
  6744. } else {
  6745. canvasEntry = this.canvasFactory.create(width, height);
  6746. this.cache[id] = canvasEntry;
  6747. }
  6748. if (trackTransform) {
  6749. addContextCurrentTransform(canvasEntry.context);
  6750. }
  6751. return canvasEntry;
  6752. },
  6753. clear: function () {
  6754. for (var id in this.cache) {
  6755. var canvasEntry = this.cache[id];
  6756. this.canvasFactory.destroy(canvasEntry);
  6757. delete this.cache[id];
  6758. }
  6759. }
  6760. };
  6761. return CachedCanvases;
  6762. }();
  6763. function compileType3Glyph(imgData) {
  6764. var POINT_TO_PROCESS_LIMIT = 1000;
  6765. var width = imgData.width, height = imgData.height;
  6766. var i, j, j0, width1 = width + 1;
  6767. var points = new Uint8Array(width1 * (height + 1));
  6768. var POINT_TYPES = new Uint8Array([
  6769. 0,
  6770. 2,
  6771. 4,
  6772. 0,
  6773. 1,
  6774. 0,
  6775. 5,
  6776. 4,
  6777. 8,
  6778. 10,
  6779. 0,
  6780. 8,
  6781. 0,
  6782. 2,
  6783. 1,
  6784. 0
  6785. ]);
  6786. var lineSize = width + 7 & ~7, data0 = imgData.data;
  6787. var data = new Uint8Array(lineSize * height), pos = 0, ii;
  6788. for (i = 0, ii = data0.length; i < ii; i++) {
  6789. var mask = 128, elem = data0[i];
  6790. while (mask > 0) {
  6791. data[pos++] = elem & mask ? 0 : 255;
  6792. mask >>= 1;
  6793. }
  6794. }
  6795. var count = 0;
  6796. pos = 0;
  6797. if (data[pos] !== 0) {
  6798. points[0] = 1;
  6799. ++count;
  6800. }
  6801. for (j = 1; j < width; j++) {
  6802. if (data[pos] !== data[pos + 1]) {
  6803. points[j] = data[pos] ? 2 : 1;
  6804. ++count;
  6805. }
  6806. pos++;
  6807. }
  6808. if (data[pos] !== 0) {
  6809. points[j] = 2;
  6810. ++count;
  6811. }
  6812. for (i = 1; i < height; i++) {
  6813. pos = i * lineSize;
  6814. j0 = i * width1;
  6815. if (data[pos - lineSize] !== data[pos]) {
  6816. points[j0] = data[pos] ? 1 : 8;
  6817. ++count;
  6818. }
  6819. var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
  6820. for (j = 1; j < width; j++) {
  6821. sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
  6822. if (POINT_TYPES[sum]) {
  6823. points[j0 + j] = POINT_TYPES[sum];
  6824. ++count;
  6825. }
  6826. pos++;
  6827. }
  6828. if (data[pos - lineSize] !== data[pos]) {
  6829. points[j0 + j] = data[pos] ? 2 : 4;
  6830. ++count;
  6831. }
  6832. if (count > POINT_TO_PROCESS_LIMIT) {
  6833. return null;
  6834. }
  6835. }
  6836. pos = lineSize * (height - 1);
  6837. j0 = i * width1;
  6838. if (data[pos] !== 0) {
  6839. points[j0] = 8;
  6840. ++count;
  6841. }
  6842. for (j = 1; j < width; j++) {
  6843. if (data[pos] !== data[pos + 1]) {
  6844. points[j0 + j] = data[pos] ? 4 : 8;
  6845. ++count;
  6846. }
  6847. pos++;
  6848. }
  6849. if (data[pos] !== 0) {
  6850. points[j0 + j] = 4;
  6851. ++count;
  6852. }
  6853. if (count > POINT_TO_PROCESS_LIMIT) {
  6854. return null;
  6855. }
  6856. var steps = new Int32Array([
  6857. 0,
  6858. width1,
  6859. -1,
  6860. 0,
  6861. -width1,
  6862. 0,
  6863. 0,
  6864. 0,
  6865. 1
  6866. ]);
  6867. var outlines = [];
  6868. for (i = 0; count && i <= height; i++) {
  6869. var p = i * width1;
  6870. var end = p + width;
  6871. while (p < end && !points[p]) {
  6872. p++;
  6873. }
  6874. if (p === end) {
  6875. continue;
  6876. }
  6877. var coords = [
  6878. p % width1,
  6879. i
  6880. ];
  6881. var type = points[p], p0 = p, pp;
  6882. do {
  6883. var step = steps[type];
  6884. do {
  6885. p += step;
  6886. } while (!points[p]);
  6887. pp = points[p];
  6888. if (pp !== 5 && pp !== 10) {
  6889. type = pp;
  6890. points[p] = 0;
  6891. } else {
  6892. type = pp & 0x33 * type >> 4;
  6893. points[p] &= type >> 2 | type << 2;
  6894. }
  6895. coords.push(p % width1);
  6896. coords.push(p / width1 | 0);
  6897. --count;
  6898. } while (p0 !== p);
  6899. outlines.push(coords);
  6900. --i;
  6901. }
  6902. var drawOutline = function (c) {
  6903. c.save();
  6904. c.scale(1 / width, -1 / height);
  6905. c.translate(0, -height);
  6906. c.beginPath();
  6907. for (var i = 0, ii = outlines.length; i < ii; i++) {
  6908. var o = outlines[i];
  6909. c.moveTo(o[0], o[1]);
  6910. for (var j = 2, jj = o.length; j < jj; j += 2) {
  6911. c.lineTo(o[j], o[j + 1]);
  6912. }
  6913. }
  6914. c.fill();
  6915. c.beginPath();
  6916. c.restore();
  6917. };
  6918. return drawOutline;
  6919. }
  6920. var CanvasExtraState = function CanvasExtraStateClosure() {
  6921. function CanvasExtraState(old) {
  6922. this.alphaIsShape = false;
  6923. this.fontSize = 0;
  6924. this.fontSizeScale = 1;
  6925. this.textMatrix = IDENTITY_MATRIX;
  6926. this.textMatrixScale = 1;
  6927. this.fontMatrix = FONT_IDENTITY_MATRIX;
  6928. this.leading = 0;
  6929. this.x = 0;
  6930. this.y = 0;
  6931. this.lineX = 0;
  6932. this.lineY = 0;
  6933. this.charSpacing = 0;
  6934. this.wordSpacing = 0;
  6935. this.textHScale = 1;
  6936. this.textRenderingMode = TextRenderingMode.FILL;
  6937. this.textRise = 0;
  6938. this.fillColor = '#000000';
  6939. this.strokeColor = '#000000';
  6940. this.patternFill = false;
  6941. this.fillAlpha = 1;
  6942. this.strokeAlpha = 1;
  6943. this.lineWidth = 1;
  6944. this.activeSMask = null;
  6945. this.resumeSMaskCtx = null;
  6946. this.old = old;
  6947. }
  6948. CanvasExtraState.prototype = {
  6949. clone: function CanvasExtraState_clone() {
  6950. return Object.create(this);
  6951. },
  6952. setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
  6953. this.x = x;
  6954. this.y = y;
  6955. }
  6956. };
  6957. return CanvasExtraState;
  6958. }();
  6959. var CanvasGraphics = function CanvasGraphicsClosure() {
  6960. var EXECUTION_TIME = 15;
  6961. var EXECUTION_STEPS = 10;
  6962. function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, imageLayer) {
  6963. this.ctx = canvasCtx;
  6964. this.current = new CanvasExtraState();
  6965. this.stateStack = [];
  6966. this.pendingClip = null;
  6967. this.pendingEOFill = false;
  6968. this.res = null;
  6969. this.xobjs = null;
  6970. this.commonObjs = commonObjs;
  6971. this.objs = objs;
  6972. this.canvasFactory = canvasFactory;
  6973. this.imageLayer = imageLayer;
  6974. this.groupStack = [];
  6975. this.processingType3 = null;
  6976. this.baseTransform = null;
  6977. this.baseTransformStack = [];
  6978. this.groupLevel = 0;
  6979. this.smaskStack = [];
  6980. this.smaskCounter = 0;
  6981. this.tempSMask = null;
  6982. this.cachedCanvases = new CachedCanvases(this.canvasFactory);
  6983. if (canvasCtx) {
  6984. addContextCurrentTransform(canvasCtx);
  6985. }
  6986. this.cachedGetSinglePixelWidth = null;
  6987. }
  6988. function putBinaryImageData(ctx, imgData) {
  6989. if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
  6990. ctx.putImageData(imgData, 0, 0);
  6991. return;
  6992. }
  6993. var height = imgData.height, width = imgData.width;
  6994. var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
  6995. var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
  6996. var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
  6997. var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
  6998. var srcPos = 0, destPos;
  6999. var src = imgData.data;
  7000. var dest = chunkImgData.data;
  7001. var i, j, thisChunkHeight, elemsInThisChunk;
  7002. if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
  7003. var srcLength = src.byteLength;
  7004. var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
  7005. var dest32DataLength = dest32.length;
  7006. var fullSrcDiff = width + 7 >> 3;
  7007. var white = 0xFFFFFFFF;
  7008. var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
  7009. for (i = 0; i < totalChunks; i++) {
  7010. thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
  7011. destPos = 0;
  7012. for (j = 0; j < thisChunkHeight; j++) {
  7013. var srcDiff = srcLength - srcPos;
  7014. var k = 0;
  7015. var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
  7016. var kEndUnrolled = kEnd & ~7;
  7017. var mask = 0;
  7018. var srcByte = 0;
  7019. for (; k < kEndUnrolled; k += 8) {
  7020. srcByte = src[srcPos++];
  7021. dest32[destPos++] = srcByte & 128 ? white : black;
  7022. dest32[destPos++] = srcByte & 64 ? white : black;
  7023. dest32[destPos++] = srcByte & 32 ? white : black;
  7024. dest32[destPos++] = srcByte & 16 ? white : black;
  7025. dest32[destPos++] = srcByte & 8 ? white : black;
  7026. dest32[destPos++] = srcByte & 4 ? white : black;
  7027. dest32[destPos++] = srcByte & 2 ? white : black;
  7028. dest32[destPos++] = srcByte & 1 ? white : black;
  7029. }
  7030. for (; k < kEnd; k++) {
  7031. if (mask === 0) {
  7032. srcByte = src[srcPos++];
  7033. mask = 128;
  7034. }
  7035. dest32[destPos++] = srcByte & mask ? white : black;
  7036. mask >>= 1;
  7037. }
  7038. }
  7039. while (destPos < dest32DataLength) {
  7040. dest32[destPos++] = 0;
  7041. }
  7042. ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
  7043. }
  7044. } else if (imgData.kind === ImageKind.RGBA_32BPP) {
  7045. j = 0;
  7046. elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
  7047. for (i = 0; i < fullChunks; i++) {
  7048. dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
  7049. srcPos += elemsInThisChunk;
  7050. ctx.putImageData(chunkImgData, 0, j);
  7051. j += FULL_CHUNK_HEIGHT;
  7052. }
  7053. if (i < totalChunks) {
  7054. elemsInThisChunk = width * partialChunkHeight * 4;
  7055. dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
  7056. ctx.putImageData(chunkImgData, 0, j);
  7057. }
  7058. } else if (imgData.kind === ImageKind.RGB_24BPP) {
  7059. thisChunkHeight = FULL_CHUNK_HEIGHT;
  7060. elemsInThisChunk = width * thisChunkHeight;
  7061. for (i = 0; i < totalChunks; i++) {
  7062. if (i >= fullChunks) {
  7063. thisChunkHeight = partialChunkHeight;
  7064. elemsInThisChunk = width * thisChunkHeight;
  7065. }
  7066. destPos = 0;
  7067. for (j = elemsInThisChunk; j--;) {
  7068. dest[destPos++] = src[srcPos++];
  7069. dest[destPos++] = src[srcPos++];
  7070. dest[destPos++] = src[srcPos++];
  7071. dest[destPos++] = 255;
  7072. }
  7073. ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
  7074. }
  7075. } else {
  7076. error('bad image kind: ' + imgData.kind);
  7077. }
  7078. }
  7079. function putBinaryImageMask(ctx, imgData) {
  7080. var height = imgData.height, width = imgData.width;
  7081. var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
  7082. var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
  7083. var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
  7084. var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
  7085. var srcPos = 0;
  7086. var src = imgData.data;
  7087. var dest = chunkImgData.data;
  7088. for (var i = 0; i < totalChunks; i++) {
  7089. var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
  7090. var destPos = 3;
  7091. for (var j = 0; j < thisChunkHeight; j++) {
  7092. var mask = 0;
  7093. for (var k = 0; k < width; k++) {
  7094. if (!mask) {
  7095. var elem = src[srcPos++];
  7096. mask = 128;
  7097. }
  7098. dest[destPos] = elem & mask ? 0 : 255;
  7099. destPos += 4;
  7100. mask >>= 1;
  7101. }
  7102. }
  7103. ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
  7104. }
  7105. }
  7106. function copyCtxState(sourceCtx, destCtx) {
  7107. var properties = [
  7108. 'strokeStyle',
  7109. 'fillStyle',
  7110. 'fillRule',
  7111. 'globalAlpha',
  7112. 'lineWidth',
  7113. 'lineCap',
  7114. 'lineJoin',
  7115. 'miterLimit',
  7116. 'globalCompositeOperation',
  7117. 'font'
  7118. ];
  7119. for (var i = 0, ii = properties.length; i < ii; i++) {
  7120. var property = properties[i];
  7121. if (sourceCtx[property] !== undefined) {
  7122. destCtx[property] = sourceCtx[property];
  7123. }
  7124. }
  7125. if (sourceCtx.setLineDash !== undefined) {
  7126. destCtx.setLineDash(sourceCtx.getLineDash());
  7127. destCtx.lineDashOffset = sourceCtx.lineDashOffset;
  7128. }
  7129. }
  7130. function composeSMaskBackdrop(bytes, r0, g0, b0) {
  7131. var length = bytes.length;
  7132. for (var i = 3; i < length; i += 4) {
  7133. var alpha = bytes[i];
  7134. if (alpha === 0) {
  7135. bytes[i - 3] = r0;
  7136. bytes[i - 2] = g0;
  7137. bytes[i - 1] = b0;
  7138. } else if (alpha < 255) {
  7139. var alpha_ = 255 - alpha;
  7140. bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
  7141. bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
  7142. bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
  7143. }
  7144. }
  7145. }
  7146. function composeSMaskAlpha(maskData, layerData, transferMap) {
  7147. var length = maskData.length;
  7148. var scale = 1 / 255;
  7149. for (var i = 3; i < length; i += 4) {
  7150. var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
  7151. layerData[i] = layerData[i] * alpha * scale | 0;
  7152. }
  7153. }
  7154. function composeSMaskLuminosity(maskData, layerData, transferMap) {
  7155. var length = maskData.length;
  7156. for (var i = 3; i < length; i += 4) {
  7157. var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
  7158. layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
  7159. }
  7160. }
  7161. function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
  7162. var hasBackdrop = !!backdrop;
  7163. var r0 = hasBackdrop ? backdrop[0] : 0;
  7164. var g0 = hasBackdrop ? backdrop[1] : 0;
  7165. var b0 = hasBackdrop ? backdrop[2] : 0;
  7166. var composeFn;
  7167. if (subtype === 'Luminosity') {
  7168. composeFn = composeSMaskLuminosity;
  7169. } else {
  7170. composeFn = composeSMaskAlpha;
  7171. }
  7172. var PIXELS_TO_PROCESS = 1048576;
  7173. var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
  7174. for (var row = 0; row < height; row += chunkSize) {
  7175. var chunkHeight = Math.min(chunkSize, height - row);
  7176. var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
  7177. var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
  7178. if (hasBackdrop) {
  7179. composeSMaskBackdrop(maskData.data, r0, g0, b0);
  7180. }
  7181. composeFn(maskData.data, layerData.data, transferMap);
  7182. maskCtx.putImageData(layerData, 0, row);
  7183. }
  7184. }
  7185. function composeSMask(ctx, smask, layerCtx) {
  7186. var mask = smask.canvas;
  7187. var maskCtx = smask.context;
  7188. ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
  7189. var backdrop = smask.backdrop || null;
  7190. if (!smask.transferMap && WebGLUtils.isEnabled) {
  7191. var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, {
  7192. subtype: smask.subtype,
  7193. backdrop: backdrop
  7194. });
  7195. ctx.setTransform(1, 0, 0, 1, 0, 0);
  7196. ctx.drawImage(composed, smask.offsetX, smask.offsetY);
  7197. return;
  7198. }
  7199. genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
  7200. ctx.drawImage(mask, 0, 0);
  7201. }
  7202. var LINE_CAP_STYLES = [
  7203. 'butt',
  7204. 'round',
  7205. 'square'
  7206. ];
  7207. var LINE_JOIN_STYLES = [
  7208. 'miter',
  7209. 'round',
  7210. 'bevel'
  7211. ];
  7212. var NORMAL_CLIP = {};
  7213. var EO_CLIP = {};
  7214. CanvasGraphics.prototype = {
  7215. beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, transparency) {
  7216. var width = this.ctx.canvas.width;
  7217. var height = this.ctx.canvas.height;
  7218. this.ctx.save();
  7219. this.ctx.fillStyle = 'rgb(255, 255, 255)';
  7220. this.ctx.fillRect(0, 0, width, height);
  7221. this.ctx.restore();
  7222. if (transparency) {
  7223. var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true);
  7224. this.compositeCtx = this.ctx;
  7225. this.transparentCanvas = transparentCanvas.canvas;
  7226. this.ctx = transparentCanvas.context;
  7227. this.ctx.save();
  7228. this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
  7229. }
  7230. this.ctx.save();
  7231. if (transform) {
  7232. this.ctx.transform.apply(this.ctx, transform);
  7233. }
  7234. this.ctx.transform.apply(this.ctx, viewport.transform);
  7235. this.baseTransform = this.ctx.mozCurrentTransform.slice();
  7236. if (this.imageLayer) {
  7237. this.imageLayer.beginLayout();
  7238. }
  7239. },
  7240. executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
  7241. var argsArray = operatorList.argsArray;
  7242. var fnArray = operatorList.fnArray;
  7243. var i = executionStartIdx || 0;
  7244. var argsArrayLen = argsArray.length;
  7245. if (argsArrayLen === i) {
  7246. return i;
  7247. }
  7248. var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
  7249. var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
  7250. var steps = 0;
  7251. var commonObjs = this.commonObjs;
  7252. var objs = this.objs;
  7253. var fnId;
  7254. while (true) {
  7255. if (stepper !== undefined && i === stepper.nextBreakPoint) {
  7256. stepper.breakIt(i, continueCallback);
  7257. return i;
  7258. }
  7259. fnId = fnArray[i];
  7260. if (fnId !== OPS.dependency) {
  7261. this[fnId].apply(this, argsArray[i]);
  7262. } else {
  7263. var deps = argsArray[i];
  7264. for (var n = 0, nn = deps.length; n < nn; n++) {
  7265. var depObjId = deps[n];
  7266. var common = depObjId[0] === 'g' && depObjId[1] === '_';
  7267. var objsPool = common ? commonObjs : objs;
  7268. if (!objsPool.isResolved(depObjId)) {
  7269. objsPool.get(depObjId, continueCallback);
  7270. return i;
  7271. }
  7272. }
  7273. }
  7274. i++;
  7275. if (i === argsArrayLen) {
  7276. return i;
  7277. }
  7278. if (chunkOperations && ++steps > EXECUTION_STEPS) {
  7279. if (Date.now() > endTime) {
  7280. continueCallback();
  7281. return i;
  7282. }
  7283. steps = 0;
  7284. }
  7285. }
  7286. },
  7287. endDrawing: function CanvasGraphics_endDrawing() {
  7288. if (this.current.activeSMask !== null) {
  7289. this.endSMaskGroup();
  7290. }
  7291. this.ctx.restore();
  7292. if (this.transparentCanvas) {
  7293. this.ctx = this.compositeCtx;
  7294. this.ctx.save();
  7295. this.ctx.setTransform(1, 0, 0, 1, 0, 0);
  7296. this.ctx.drawImage(this.transparentCanvas, 0, 0);
  7297. this.ctx.restore();
  7298. this.transparentCanvas = null;
  7299. }
  7300. this.cachedCanvases.clear();
  7301. WebGLUtils.clear();
  7302. if (this.imageLayer) {
  7303. this.imageLayer.endLayout();
  7304. }
  7305. },
  7306. setLineWidth: function CanvasGraphics_setLineWidth(width) {
  7307. this.current.lineWidth = width;
  7308. this.ctx.lineWidth = width;
  7309. },
  7310. setLineCap: function CanvasGraphics_setLineCap(style) {
  7311. this.ctx.lineCap = LINE_CAP_STYLES[style];
  7312. },
  7313. setLineJoin: function CanvasGraphics_setLineJoin(style) {
  7314. this.ctx.lineJoin = LINE_JOIN_STYLES[style];
  7315. },
  7316. setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
  7317. this.ctx.miterLimit = limit;
  7318. },
  7319. setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
  7320. var ctx = this.ctx;
  7321. if (ctx.setLineDash !== undefined) {
  7322. ctx.setLineDash(dashArray);
  7323. ctx.lineDashOffset = dashPhase;
  7324. }
  7325. },
  7326. setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {
  7327. },
  7328. setFlatness: function CanvasGraphics_setFlatness(flatness) {
  7329. },
  7330. setGState: function CanvasGraphics_setGState(states) {
  7331. for (var i = 0, ii = states.length; i < ii; i++) {
  7332. var state = states[i];
  7333. var key = state[0];
  7334. var value = state[1];
  7335. switch (key) {
  7336. case 'LW':
  7337. this.setLineWidth(value);
  7338. break;
  7339. case 'LC':
  7340. this.setLineCap(value);
  7341. break;
  7342. case 'LJ':
  7343. this.setLineJoin(value);
  7344. break;
  7345. case 'ML':
  7346. this.setMiterLimit(value);
  7347. break;
  7348. case 'D':
  7349. this.setDash(value[0], value[1]);
  7350. break;
  7351. case 'RI':
  7352. this.setRenderingIntent(value);
  7353. break;
  7354. case 'FL':
  7355. this.setFlatness(value);
  7356. break;
  7357. case 'Font':
  7358. this.setFont(value[0], value[1]);
  7359. break;
  7360. case 'CA':
  7361. this.current.strokeAlpha = state[1];
  7362. break;
  7363. case 'ca':
  7364. this.current.fillAlpha = state[1];
  7365. this.ctx.globalAlpha = state[1];
  7366. break;
  7367. case 'BM':
  7368. if (value && value.name && value.name !== 'Normal') {
  7369. var mode = value.name.replace(/([A-Z])/g, function (c) {
  7370. return '-' + c.toLowerCase();
  7371. }).substring(1);
  7372. this.ctx.globalCompositeOperation = mode;
  7373. if (this.ctx.globalCompositeOperation !== mode) {
  7374. warn('globalCompositeOperation "' + mode + '" is not supported');
  7375. }
  7376. } else {
  7377. this.ctx.globalCompositeOperation = 'source-over';
  7378. }
  7379. break;
  7380. case 'SMask':
  7381. if (this.current.activeSMask) {
  7382. if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
  7383. this.suspendSMaskGroup();
  7384. } else {
  7385. this.endSMaskGroup();
  7386. }
  7387. }
  7388. this.current.activeSMask = value ? this.tempSMask : null;
  7389. if (this.current.activeSMask) {
  7390. this.beginSMaskGroup();
  7391. }
  7392. this.tempSMask = null;
  7393. break;
  7394. }
  7395. }
  7396. },
  7397. beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
  7398. var activeSMask = this.current.activeSMask;
  7399. var drawnWidth = activeSMask.canvas.width;
  7400. var drawnHeight = activeSMask.canvas.height;
  7401. var cacheId = 'smaskGroupAt' + this.groupLevel;
  7402. var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
  7403. var currentCtx = this.ctx;
  7404. var currentTransform = currentCtx.mozCurrentTransform;
  7405. this.ctx.save();
  7406. var groupCtx = scratchCanvas.context;
  7407. groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
  7408. groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
  7409. groupCtx.transform.apply(groupCtx, currentTransform);
  7410. activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
  7411. copyCtxState(currentCtx, groupCtx);
  7412. this.ctx = groupCtx;
  7413. this.setGState([
  7414. [
  7415. 'BM',
  7416. 'Normal'
  7417. ],
  7418. [
  7419. 'ca',
  7420. 1
  7421. ],
  7422. [
  7423. 'CA',
  7424. 1
  7425. ]
  7426. ]);
  7427. this.groupStack.push(currentCtx);
  7428. this.groupLevel++;
  7429. },
  7430. suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
  7431. var groupCtx = this.ctx;
  7432. this.groupLevel--;
  7433. this.ctx = this.groupStack.pop();
  7434. composeSMask(this.ctx, this.current.activeSMask, groupCtx);
  7435. this.ctx.restore();
  7436. this.ctx.save();
  7437. copyCtxState(groupCtx, this.ctx);
  7438. this.current.resumeSMaskCtx = groupCtx;
  7439. var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
  7440. this.ctx.transform.apply(this.ctx, deltaTransform);
  7441. groupCtx.save();
  7442. groupCtx.setTransform(1, 0, 0, 1, 0, 0);
  7443. groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
  7444. groupCtx.restore();
  7445. },
  7446. resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
  7447. var groupCtx = this.current.resumeSMaskCtx;
  7448. var currentCtx = this.ctx;
  7449. this.ctx = groupCtx;
  7450. this.groupStack.push(currentCtx);
  7451. this.groupLevel++;
  7452. },
  7453. endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
  7454. var groupCtx = this.ctx;
  7455. this.groupLevel--;
  7456. this.ctx = this.groupStack.pop();
  7457. composeSMask(this.ctx, this.current.activeSMask, groupCtx);
  7458. this.ctx.restore();
  7459. copyCtxState(groupCtx, this.ctx);
  7460. var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
  7461. this.ctx.transform.apply(this.ctx, deltaTransform);
  7462. },
  7463. save: function CanvasGraphics_save() {
  7464. this.ctx.save();
  7465. var old = this.current;
  7466. this.stateStack.push(old);
  7467. this.current = old.clone();
  7468. this.current.resumeSMaskCtx = null;
  7469. },
  7470. restore: function CanvasGraphics_restore() {
  7471. if (this.current.resumeSMaskCtx) {
  7472. this.resumeSMaskGroup();
  7473. }
  7474. if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
  7475. this.endSMaskGroup();
  7476. }
  7477. if (this.stateStack.length !== 0) {
  7478. this.current = this.stateStack.pop();
  7479. this.ctx.restore();
  7480. this.pendingClip = null;
  7481. this.cachedGetSinglePixelWidth = null;
  7482. }
  7483. },
  7484. transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
  7485. this.ctx.transform(a, b, c, d, e, f);
  7486. this.cachedGetSinglePixelWidth = null;
  7487. },
  7488. constructPath: function CanvasGraphics_constructPath(ops, args) {
  7489. var ctx = this.ctx;
  7490. var current = this.current;
  7491. var x = current.x, y = current.y;
  7492. for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
  7493. switch (ops[i] | 0) {
  7494. case OPS.rectangle:
  7495. x = args[j++];
  7496. y = args[j++];
  7497. var width = args[j++];
  7498. var height = args[j++];
  7499. if (width === 0) {
  7500. width = this.getSinglePixelWidth();
  7501. }
  7502. if (height === 0) {
  7503. height = this.getSinglePixelWidth();
  7504. }
  7505. var xw = x + width;
  7506. var yh = y + height;
  7507. this.ctx.moveTo(x, y);
  7508. this.ctx.lineTo(xw, y);
  7509. this.ctx.lineTo(xw, yh);
  7510. this.ctx.lineTo(x, yh);
  7511. this.ctx.lineTo(x, y);
  7512. this.ctx.closePath();
  7513. break;
  7514. case OPS.moveTo:
  7515. x = args[j++];
  7516. y = args[j++];
  7517. ctx.moveTo(x, y);
  7518. break;
  7519. case OPS.lineTo:
  7520. x = args[j++];
  7521. y = args[j++];
  7522. ctx.lineTo(x, y);
  7523. break;
  7524. case OPS.curveTo:
  7525. x = args[j + 4];
  7526. y = args[j + 5];
  7527. ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
  7528. j += 6;
  7529. break;
  7530. case OPS.curveTo2:
  7531. ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
  7532. x = args[j + 2];
  7533. y = args[j + 3];
  7534. j += 4;
  7535. break;
  7536. case OPS.curveTo3:
  7537. x = args[j + 2];
  7538. y = args[j + 3];
  7539. ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
  7540. j += 4;
  7541. break;
  7542. case OPS.closePath:
  7543. ctx.closePath();
  7544. break;
  7545. }
  7546. }
  7547. current.setCurrentPoint(x, y);
  7548. },
  7549. closePath: function CanvasGraphics_closePath() {
  7550. this.ctx.closePath();
  7551. },
  7552. stroke: function CanvasGraphics_stroke(consumePath) {
  7553. consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
  7554. var ctx = this.ctx;
  7555. var strokeColor = this.current.strokeColor;
  7556. ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
  7557. ctx.globalAlpha = this.current.strokeAlpha;
  7558. if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
  7559. ctx.save();
  7560. ctx.strokeStyle = strokeColor.getPattern(ctx, this);
  7561. ctx.stroke();
  7562. ctx.restore();
  7563. } else {
  7564. ctx.stroke();
  7565. }
  7566. if (consumePath) {
  7567. this.consumePath();
  7568. }
  7569. ctx.globalAlpha = this.current.fillAlpha;
  7570. },
  7571. closeStroke: function CanvasGraphics_closeStroke() {
  7572. this.closePath();
  7573. this.stroke();
  7574. },
  7575. fill: function CanvasGraphics_fill(consumePath) {
  7576. consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
  7577. var ctx = this.ctx;
  7578. var fillColor = this.current.fillColor;
  7579. var isPatternFill = this.current.patternFill;
  7580. var needRestore = false;
  7581. if (isPatternFill) {
  7582. ctx.save();
  7583. if (this.baseTransform) {
  7584. ctx.setTransform.apply(ctx, this.baseTransform);
  7585. }
  7586. ctx.fillStyle = fillColor.getPattern(ctx, this);
  7587. needRestore = true;
  7588. }
  7589. if (this.pendingEOFill) {
  7590. ctx.fill('evenodd');
  7591. this.pendingEOFill = false;
  7592. } else {
  7593. ctx.fill();
  7594. }
  7595. if (needRestore) {
  7596. ctx.restore();
  7597. }
  7598. if (consumePath) {
  7599. this.consumePath();
  7600. }
  7601. },
  7602. eoFill: function CanvasGraphics_eoFill() {
  7603. this.pendingEOFill = true;
  7604. this.fill();
  7605. },
  7606. fillStroke: function CanvasGraphics_fillStroke() {
  7607. this.fill(false);
  7608. this.stroke(false);
  7609. this.consumePath();
  7610. },
  7611. eoFillStroke: function CanvasGraphics_eoFillStroke() {
  7612. this.pendingEOFill = true;
  7613. this.fillStroke();
  7614. },
  7615. closeFillStroke: function CanvasGraphics_closeFillStroke() {
  7616. this.closePath();
  7617. this.fillStroke();
  7618. },
  7619. closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
  7620. this.pendingEOFill = true;
  7621. this.closePath();
  7622. this.fillStroke();
  7623. },
  7624. endPath: function CanvasGraphics_endPath() {
  7625. this.consumePath();
  7626. },
  7627. clip: function CanvasGraphics_clip() {
  7628. this.pendingClip = NORMAL_CLIP;
  7629. },
  7630. eoClip: function CanvasGraphics_eoClip() {
  7631. this.pendingClip = EO_CLIP;
  7632. },
  7633. beginText: function CanvasGraphics_beginText() {
  7634. this.current.textMatrix = IDENTITY_MATRIX;
  7635. this.current.textMatrixScale = 1;
  7636. this.current.x = this.current.lineX = 0;
  7637. this.current.y = this.current.lineY = 0;
  7638. },
  7639. endText: function CanvasGraphics_endText() {
  7640. var paths = this.pendingTextPaths;
  7641. var ctx = this.ctx;
  7642. if (paths === undefined) {
  7643. ctx.beginPath();
  7644. return;
  7645. }
  7646. ctx.save();
  7647. ctx.beginPath();
  7648. for (var i = 0; i < paths.length; i++) {
  7649. var path = paths[i];
  7650. ctx.setTransform.apply(ctx, path.transform);
  7651. ctx.translate(path.x, path.y);
  7652. path.addToPath(ctx, path.fontSize);
  7653. }
  7654. ctx.restore();
  7655. ctx.clip();
  7656. ctx.beginPath();
  7657. delete this.pendingTextPaths;
  7658. },
  7659. setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
  7660. this.current.charSpacing = spacing;
  7661. },
  7662. setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
  7663. this.current.wordSpacing = spacing;
  7664. },
  7665. setHScale: function CanvasGraphics_setHScale(scale) {
  7666. this.current.textHScale = scale / 100;
  7667. },
  7668. setLeading: function CanvasGraphics_setLeading(leading) {
  7669. this.current.leading = -leading;
  7670. },
  7671. setFont: function CanvasGraphics_setFont(fontRefName, size) {
  7672. var fontObj = this.commonObjs.get(fontRefName);
  7673. var current = this.current;
  7674. if (!fontObj) {
  7675. error('Can\'t find font for ' + fontRefName);
  7676. }
  7677. current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
  7678. if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
  7679. warn('Invalid font matrix for font ' + fontRefName);
  7680. }
  7681. if (size < 0) {
  7682. size = -size;
  7683. current.fontDirection = -1;
  7684. } else {
  7685. current.fontDirection = 1;
  7686. }
  7687. this.current.font = fontObj;
  7688. this.current.fontSize = size;
  7689. if (fontObj.isType3Font) {
  7690. return;
  7691. }
  7692. var name = fontObj.loadedName || 'sans-serif';
  7693. var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
  7694. var italic = fontObj.italic ? 'italic' : 'normal';
  7695. var typeface = '"' + name + '", ' + fontObj.fallbackName;
  7696. var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
  7697. this.current.fontSizeScale = size / browserFontSize;
  7698. var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
  7699. this.ctx.font = rule;
  7700. },
  7701. setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
  7702. this.current.textRenderingMode = mode;
  7703. },
  7704. setTextRise: function CanvasGraphics_setTextRise(rise) {
  7705. this.current.textRise = rise;
  7706. },
  7707. moveText: function CanvasGraphics_moveText(x, y) {
  7708. this.current.x = this.current.lineX += x;
  7709. this.current.y = this.current.lineY += y;
  7710. },
  7711. setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
  7712. this.setLeading(-y);
  7713. this.moveText(x, y);
  7714. },
  7715. setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
  7716. this.current.textMatrix = [
  7717. a,
  7718. b,
  7719. c,
  7720. d,
  7721. e,
  7722. f
  7723. ];
  7724. this.current.textMatrixScale = Math.sqrt(a * a + b * b);
  7725. this.current.x = this.current.lineX = 0;
  7726. this.current.y = this.current.lineY = 0;
  7727. },
  7728. nextLine: function CanvasGraphics_nextLine() {
  7729. this.moveText(0, this.current.leading);
  7730. },
  7731. paintChar: function CanvasGraphics_paintChar(character, x, y) {
  7732. var ctx = this.ctx;
  7733. var current = this.current;
  7734. var font = current.font;
  7735. var textRenderingMode = current.textRenderingMode;
  7736. var fontSize = current.fontSize / current.fontSizeScale;
  7737. var fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
  7738. var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
  7739. var addToPath;
  7740. if (font.disableFontFace || isAddToPathSet) {
  7741. addToPath = font.getPathGenerator(this.commonObjs, character);
  7742. }
  7743. if (font.disableFontFace) {
  7744. ctx.save();
  7745. ctx.translate(x, y);
  7746. ctx.beginPath();
  7747. addToPath(ctx, fontSize);
  7748. if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  7749. ctx.fill();
  7750. }
  7751. if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  7752. ctx.stroke();
  7753. }
  7754. ctx.restore();
  7755. } else {
  7756. if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  7757. ctx.fillText(character, x, y);
  7758. }
  7759. if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  7760. ctx.strokeText(character, x, y);
  7761. }
  7762. }
  7763. if (isAddToPathSet) {
  7764. var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
  7765. paths.push({
  7766. transform: ctx.mozCurrentTransform,
  7767. x: x,
  7768. y: y,
  7769. fontSize: fontSize,
  7770. addToPath: addToPath
  7771. });
  7772. }
  7773. },
  7774. get isFontSubpixelAAEnabled() {
  7775. var ctx = this.canvasFactory.create(10, 10).context;
  7776. ctx.scale(1.5, 1);
  7777. ctx.fillText('I', 0, 10);
  7778. var data = ctx.getImageData(0, 0, 10, 10).data;
  7779. var enabled = false;
  7780. for (var i = 3; i < data.length; i += 4) {
  7781. if (data[i] > 0 && data[i] < 255) {
  7782. enabled = true;
  7783. break;
  7784. }
  7785. }
  7786. return shadow(this, 'isFontSubpixelAAEnabled', enabled);
  7787. },
  7788. showText: function CanvasGraphics_showText(glyphs) {
  7789. var current = this.current;
  7790. var font = current.font;
  7791. if (font.isType3Font) {
  7792. return this.showType3Text(glyphs);
  7793. }
  7794. var fontSize = current.fontSize;
  7795. if (fontSize === 0) {
  7796. return;
  7797. }
  7798. var ctx = this.ctx;
  7799. var fontSizeScale = current.fontSizeScale;
  7800. var charSpacing = current.charSpacing;
  7801. var wordSpacing = current.wordSpacing;
  7802. var fontDirection = current.fontDirection;
  7803. var textHScale = current.textHScale * fontDirection;
  7804. var glyphsLength = glyphs.length;
  7805. var vertical = font.vertical;
  7806. var spacingDir = vertical ? 1 : -1;
  7807. var defaultVMetrics = font.defaultVMetrics;
  7808. var widthAdvanceScale = fontSize * current.fontMatrix[0];
  7809. var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace;
  7810. ctx.save();
  7811. ctx.transform.apply(ctx, current.textMatrix);
  7812. ctx.translate(current.x, current.y + current.textRise);
  7813. if (current.patternFill) {
  7814. ctx.fillStyle = current.fillColor.getPattern(ctx, this);
  7815. }
  7816. if (fontDirection > 0) {
  7817. ctx.scale(textHScale, -1);
  7818. } else {
  7819. ctx.scale(textHScale, 1);
  7820. }
  7821. var lineWidth = current.lineWidth;
  7822. var scale = current.textMatrixScale;
  7823. if (scale === 0 || lineWidth === 0) {
  7824. var fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
  7825. if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
  7826. this.cachedGetSinglePixelWidth = null;
  7827. lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
  7828. }
  7829. } else {
  7830. lineWidth /= scale;
  7831. }
  7832. if (fontSizeScale !== 1.0) {
  7833. ctx.scale(fontSizeScale, fontSizeScale);
  7834. lineWidth /= fontSizeScale;
  7835. }
  7836. ctx.lineWidth = lineWidth;
  7837. var x = 0, i;
  7838. for (i = 0; i < glyphsLength; ++i) {
  7839. var glyph = glyphs[i];
  7840. if (isNum(glyph)) {
  7841. x += spacingDir * glyph * fontSize / 1000;
  7842. continue;
  7843. }
  7844. var restoreNeeded = false;
  7845. var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
  7846. var character = glyph.fontChar;
  7847. var accent = glyph.accent;
  7848. var scaledX, scaledY, scaledAccentX, scaledAccentY;
  7849. var width = glyph.width;
  7850. if (vertical) {
  7851. var vmetric, vx, vy;
  7852. vmetric = glyph.vmetric || defaultVMetrics;
  7853. vx = glyph.vmetric ? vmetric[1] : width * 0.5;
  7854. vx = -vx * widthAdvanceScale;
  7855. vy = vmetric[2] * widthAdvanceScale;
  7856. width = vmetric ? -vmetric[0] : width;
  7857. scaledX = vx / fontSizeScale;
  7858. scaledY = (x + vy) / fontSizeScale;
  7859. } else {
  7860. scaledX = x / fontSizeScale;
  7861. scaledY = 0;
  7862. }
  7863. if (font.remeasure && width > 0) {
  7864. var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
  7865. if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
  7866. var characterScaleX = width / measuredWidth;
  7867. restoreNeeded = true;
  7868. ctx.save();
  7869. ctx.scale(characterScaleX, 1);
  7870. scaledX /= characterScaleX;
  7871. } else if (width !== measuredWidth) {
  7872. scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
  7873. }
  7874. }
  7875. if (glyph.isInFont || font.missingFile) {
  7876. if (simpleFillText && !accent) {
  7877. ctx.fillText(character, scaledX, scaledY);
  7878. } else {
  7879. this.paintChar(character, scaledX, scaledY);
  7880. if (accent) {
  7881. scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
  7882. scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
  7883. this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
  7884. }
  7885. }
  7886. }
  7887. var charWidth = width * widthAdvanceScale + spacing * fontDirection;
  7888. x += charWidth;
  7889. if (restoreNeeded) {
  7890. ctx.restore();
  7891. }
  7892. }
  7893. if (vertical) {
  7894. current.y -= x * textHScale;
  7895. } else {
  7896. current.x += x * textHScale;
  7897. }
  7898. ctx.restore();
  7899. },
  7900. showType3Text: function CanvasGraphics_showType3Text(glyphs) {
  7901. var ctx = this.ctx;
  7902. var current = this.current;
  7903. var font = current.font;
  7904. var fontSize = current.fontSize;
  7905. var fontDirection = current.fontDirection;
  7906. var spacingDir = font.vertical ? 1 : -1;
  7907. var charSpacing = current.charSpacing;
  7908. var wordSpacing = current.wordSpacing;
  7909. var textHScale = current.textHScale * fontDirection;
  7910. var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
  7911. var glyphsLength = glyphs.length;
  7912. var isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE;
  7913. var i, glyph, width, spacingLength;
  7914. if (isTextInvisible || fontSize === 0) {
  7915. return;
  7916. }
  7917. this.cachedGetSinglePixelWidth = null;
  7918. ctx.save();
  7919. ctx.transform.apply(ctx, current.textMatrix);
  7920. ctx.translate(current.x, current.y);
  7921. ctx.scale(textHScale, fontDirection);
  7922. for (i = 0; i < glyphsLength; ++i) {
  7923. glyph = glyphs[i];
  7924. if (isNum(glyph)) {
  7925. spacingLength = spacingDir * glyph * fontSize / 1000;
  7926. this.ctx.translate(spacingLength, 0);
  7927. current.x += spacingLength * textHScale;
  7928. continue;
  7929. }
  7930. var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
  7931. var operatorList = font.charProcOperatorList[glyph.operatorListId];
  7932. if (!operatorList) {
  7933. warn('Type3 character \"' + glyph.operatorListId + '\" is not available');
  7934. continue;
  7935. }
  7936. this.processingType3 = glyph;
  7937. this.save();
  7938. ctx.scale(fontSize, fontSize);
  7939. ctx.transform.apply(ctx, fontMatrix);
  7940. this.executeOperatorList(operatorList);
  7941. this.restore();
  7942. var transformed = Util.applyTransform([
  7943. glyph.width,
  7944. 0
  7945. ], fontMatrix);
  7946. width = transformed[0] * fontSize + spacing;
  7947. ctx.translate(width, 0);
  7948. current.x += width * textHScale;
  7949. }
  7950. ctx.restore();
  7951. this.processingType3 = null;
  7952. },
  7953. setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {
  7954. },
  7955. setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
  7956. this.ctx.rect(llx, lly, urx - llx, ury - lly);
  7957. this.clip();
  7958. this.endPath();
  7959. },
  7960. getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
  7961. var pattern;
  7962. if (IR[0] === 'TilingPattern') {
  7963. var color = IR[1];
  7964. var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
  7965. var self = this;
  7966. var canvasGraphicsFactory = {
  7967. createCanvasGraphics: function (ctx) {
  7968. return new CanvasGraphics(ctx, self.commonObjs, self.objs, self.canvasFactory);
  7969. }
  7970. };
  7971. pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
  7972. } else {
  7973. pattern = getShadingPatternFromIR(IR);
  7974. }
  7975. return pattern;
  7976. },
  7977. setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
  7978. this.current.strokeColor = this.getColorN_Pattern(arguments);
  7979. },
  7980. setFillColorN: function CanvasGraphics_setFillColorN() {
  7981. this.current.fillColor = this.getColorN_Pattern(arguments);
  7982. this.current.patternFill = true;
  7983. },
  7984. setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
  7985. var color = Util.makeCssRgb(r, g, b);
  7986. this.ctx.strokeStyle = color;
  7987. this.current.strokeColor = color;
  7988. },
  7989. setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
  7990. var color = Util.makeCssRgb(r, g, b);
  7991. this.ctx.fillStyle = color;
  7992. this.current.fillColor = color;
  7993. this.current.patternFill = false;
  7994. },
  7995. shadingFill: function CanvasGraphics_shadingFill(patternIR) {
  7996. var ctx = this.ctx;
  7997. this.save();
  7998. var pattern = getShadingPatternFromIR(patternIR);
  7999. ctx.fillStyle = pattern.getPattern(ctx, this, true);
  8000. var inv = ctx.mozCurrentTransformInverse;
  8001. if (inv) {
  8002. var canvas = ctx.canvas;
  8003. var width = canvas.width;
  8004. var height = canvas.height;
  8005. var bl = Util.applyTransform([
  8006. 0,
  8007. 0
  8008. ], inv);
  8009. var br = Util.applyTransform([
  8010. 0,
  8011. height
  8012. ], inv);
  8013. var ul = Util.applyTransform([
  8014. width,
  8015. 0
  8016. ], inv);
  8017. var ur = Util.applyTransform([
  8018. width,
  8019. height
  8020. ], inv);
  8021. var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
  8022. var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
  8023. var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
  8024. var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
  8025. this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
  8026. } else {
  8027. this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
  8028. }
  8029. this.restore();
  8030. },
  8031. beginInlineImage: function CanvasGraphics_beginInlineImage() {
  8032. error('Should not call beginInlineImage');
  8033. },
  8034. beginImageData: function CanvasGraphics_beginImageData() {
  8035. error('Should not call beginImageData');
  8036. },
  8037. paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
  8038. this.save();
  8039. this.baseTransformStack.push(this.baseTransform);
  8040. if (isArray(matrix) && matrix.length === 6) {
  8041. this.transform.apply(this, matrix);
  8042. }
  8043. this.baseTransform = this.ctx.mozCurrentTransform;
  8044. if (isArray(bbox) && bbox.length === 4) {
  8045. var width = bbox[2] - bbox[0];
  8046. var height = bbox[3] - bbox[1];
  8047. this.ctx.rect(bbox[0], bbox[1], width, height);
  8048. this.clip();
  8049. this.endPath();
  8050. }
  8051. },
  8052. paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
  8053. this.restore();
  8054. this.baseTransform = this.baseTransformStack.pop();
  8055. },
  8056. beginGroup: function CanvasGraphics_beginGroup(group) {
  8057. this.save();
  8058. var currentCtx = this.ctx;
  8059. if (!group.isolated) {
  8060. info('TODO: Support non-isolated groups.');
  8061. }
  8062. if (group.knockout) {
  8063. warn('Knockout groups not supported.');
  8064. }
  8065. var currentTransform = currentCtx.mozCurrentTransform;
  8066. if (group.matrix) {
  8067. currentCtx.transform.apply(currentCtx, group.matrix);
  8068. }
  8069. assert(group.bbox, 'Bounding box is required.');
  8070. var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
  8071. var canvasBounds = [
  8072. 0,
  8073. 0,
  8074. currentCtx.canvas.width,
  8075. currentCtx.canvas.height
  8076. ];
  8077. bounds = Util.intersect(bounds, canvasBounds) || [
  8078. 0,
  8079. 0,
  8080. 0,
  8081. 0
  8082. ];
  8083. var offsetX = Math.floor(bounds[0]);
  8084. var offsetY = Math.floor(bounds[1]);
  8085. var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
  8086. var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
  8087. var scaleX = 1, scaleY = 1;
  8088. if (drawnWidth > MAX_GROUP_SIZE) {
  8089. scaleX = drawnWidth / MAX_GROUP_SIZE;
  8090. drawnWidth = MAX_GROUP_SIZE;
  8091. }
  8092. if (drawnHeight > MAX_GROUP_SIZE) {
  8093. scaleY = drawnHeight / MAX_GROUP_SIZE;
  8094. drawnHeight = MAX_GROUP_SIZE;
  8095. }
  8096. var cacheId = 'groupAt' + this.groupLevel;
  8097. if (group.smask) {
  8098. cacheId += '_smask_' + this.smaskCounter++ % 2;
  8099. }
  8100. var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
  8101. var groupCtx = scratchCanvas.context;
  8102. groupCtx.scale(1 / scaleX, 1 / scaleY);
  8103. groupCtx.translate(-offsetX, -offsetY);
  8104. groupCtx.transform.apply(groupCtx, currentTransform);
  8105. if (group.smask) {
  8106. this.smaskStack.push({
  8107. canvas: scratchCanvas.canvas,
  8108. context: groupCtx,
  8109. offsetX: offsetX,
  8110. offsetY: offsetY,
  8111. scaleX: scaleX,
  8112. scaleY: scaleY,
  8113. subtype: group.smask.subtype,
  8114. backdrop: group.smask.backdrop,
  8115. transferMap: group.smask.transferMap || null,
  8116. startTransformInverse: null
  8117. });
  8118. } else {
  8119. currentCtx.setTransform(1, 0, 0, 1, 0, 0);
  8120. currentCtx.translate(offsetX, offsetY);
  8121. currentCtx.scale(scaleX, scaleY);
  8122. }
  8123. copyCtxState(currentCtx, groupCtx);
  8124. this.ctx = groupCtx;
  8125. this.setGState([
  8126. [
  8127. 'BM',
  8128. 'Normal'
  8129. ],
  8130. [
  8131. 'ca',
  8132. 1
  8133. ],
  8134. [
  8135. 'CA',
  8136. 1
  8137. ]
  8138. ]);
  8139. this.groupStack.push(currentCtx);
  8140. this.groupLevel++;
  8141. this.current.activeSMask = null;
  8142. },
  8143. endGroup: function CanvasGraphics_endGroup(group) {
  8144. this.groupLevel--;
  8145. var groupCtx = this.ctx;
  8146. this.ctx = this.groupStack.pop();
  8147. if (this.ctx.imageSmoothingEnabled !== undefined) {
  8148. this.ctx.imageSmoothingEnabled = false;
  8149. } else {
  8150. this.ctx.mozImageSmoothingEnabled = false;
  8151. }
  8152. if (group.smask) {
  8153. this.tempSMask = this.smaskStack.pop();
  8154. } else {
  8155. this.ctx.drawImage(groupCtx.canvas, 0, 0);
  8156. }
  8157. this.restore();
  8158. },
  8159. beginAnnotations: function CanvasGraphics_beginAnnotations() {
  8160. this.save();
  8161. this.current = new CanvasExtraState();
  8162. if (this.baseTransform) {
  8163. this.ctx.setTransform.apply(this.ctx, this.baseTransform);
  8164. }
  8165. },
  8166. endAnnotations: function CanvasGraphics_endAnnotations() {
  8167. this.restore();
  8168. },
  8169. beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
  8170. this.save();
  8171. if (isArray(rect) && rect.length === 4) {
  8172. var width = rect[2] - rect[0];
  8173. var height = rect[3] - rect[1];
  8174. this.ctx.rect(rect[0], rect[1], width, height);
  8175. this.clip();
  8176. this.endPath();
  8177. }
  8178. this.transform.apply(this, transform);
  8179. this.transform.apply(this, matrix);
  8180. },
  8181. endAnnotation: function CanvasGraphics_endAnnotation() {
  8182. this.restore();
  8183. },
  8184. paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
  8185. var domImage = this.objs.get(objId);
  8186. if (!domImage) {
  8187. warn('Dependent image isn\'t ready yet');
  8188. return;
  8189. }
  8190. this.save();
  8191. var ctx = this.ctx;
  8192. ctx.scale(1 / w, -1 / h);
  8193. ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
  8194. if (this.imageLayer) {
  8195. var currentTransform = ctx.mozCurrentTransformInverse;
  8196. var position = this.getCanvasPosition(0, 0);
  8197. this.imageLayer.appendImage({
  8198. objId: objId,
  8199. left: position[0],
  8200. top: position[1],
  8201. width: w / currentTransform[0],
  8202. height: h / currentTransform[3]
  8203. });
  8204. }
  8205. this.restore();
  8206. },
  8207. paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
  8208. var ctx = this.ctx;
  8209. var width = img.width, height = img.height;
  8210. var fillColor = this.current.fillColor;
  8211. var isPatternFill = this.current.patternFill;
  8212. var glyph = this.processingType3;
  8213. if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
  8214. if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
  8215. glyph.compiled = compileType3Glyph({
  8216. data: img.data,
  8217. width: width,
  8218. height: height
  8219. });
  8220. } else {
  8221. glyph.compiled = null;
  8222. }
  8223. }
  8224. if (glyph && glyph.compiled) {
  8225. glyph.compiled(ctx);
  8226. return;
  8227. }
  8228. var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
  8229. var maskCtx = maskCanvas.context;
  8230. maskCtx.save();
  8231. putBinaryImageMask(maskCtx, img);
  8232. maskCtx.globalCompositeOperation = 'source-in';
  8233. maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
  8234. maskCtx.fillRect(0, 0, width, height);
  8235. maskCtx.restore();
  8236. this.paintInlineImageXObject(maskCanvas.canvas);
  8237. },
  8238. paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
  8239. var width = imgData.width;
  8240. var height = imgData.height;
  8241. var fillColor = this.current.fillColor;
  8242. var isPatternFill = this.current.patternFill;
  8243. var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
  8244. var maskCtx = maskCanvas.context;
  8245. maskCtx.save();
  8246. putBinaryImageMask(maskCtx, imgData);
  8247. maskCtx.globalCompositeOperation = 'source-in';
  8248. maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
  8249. maskCtx.fillRect(0, 0, width, height);
  8250. maskCtx.restore();
  8251. var ctx = this.ctx;
  8252. for (var i = 0, ii = positions.length; i < ii; i += 2) {
  8253. ctx.save();
  8254. ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
  8255. ctx.scale(1, -1);
  8256. ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
  8257. ctx.restore();
  8258. }
  8259. },
  8260. paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
  8261. var ctx = this.ctx;
  8262. var fillColor = this.current.fillColor;
  8263. var isPatternFill = this.current.patternFill;
  8264. for (var i = 0, ii = images.length; i < ii; i++) {
  8265. var image = images[i];
  8266. var width = image.width, height = image.height;
  8267. var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
  8268. var maskCtx = maskCanvas.context;
  8269. maskCtx.save();
  8270. putBinaryImageMask(maskCtx, image);
  8271. maskCtx.globalCompositeOperation = 'source-in';
  8272. maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
  8273. maskCtx.fillRect(0, 0, width, height);
  8274. maskCtx.restore();
  8275. ctx.save();
  8276. ctx.transform.apply(ctx, image.transform);
  8277. ctx.scale(1, -1);
  8278. ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
  8279. ctx.restore();
  8280. }
  8281. },
  8282. paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
  8283. var imgData = this.objs.get(objId);
  8284. if (!imgData) {
  8285. warn('Dependent image isn\'t ready yet');
  8286. return;
  8287. }
  8288. this.paintInlineImageXObject(imgData);
  8289. },
  8290. paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
  8291. var imgData = this.objs.get(objId);
  8292. if (!imgData) {
  8293. warn('Dependent image isn\'t ready yet');
  8294. return;
  8295. }
  8296. var width = imgData.width;
  8297. var height = imgData.height;
  8298. var map = [];
  8299. for (var i = 0, ii = positions.length; i < ii; i += 2) {
  8300. map.push({
  8301. transform: [
  8302. scaleX,
  8303. 0,
  8304. 0,
  8305. scaleY,
  8306. positions[i],
  8307. positions[i + 1]
  8308. ],
  8309. x: 0,
  8310. y: 0,
  8311. w: width,
  8312. h: height
  8313. });
  8314. }
  8315. this.paintInlineImageXObjectGroup(imgData, map);
  8316. },
  8317. paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
  8318. var width = imgData.width;
  8319. var height = imgData.height;
  8320. var ctx = this.ctx;
  8321. this.save();
  8322. ctx.scale(1 / width, -1 / height);
  8323. var currentTransform = ctx.mozCurrentTransformInverse;
  8324. var a = currentTransform[0], b = currentTransform[1];
  8325. var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
  8326. var c = currentTransform[2], d = currentTransform[3];
  8327. var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
  8328. var imgToPaint, tmpCanvas;
  8329. if (imgData instanceof HTMLElement || !imgData.data) {
  8330. imgToPaint = imgData;
  8331. } else {
  8332. tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
  8333. var tmpCtx = tmpCanvas.context;
  8334. putBinaryImageData(tmpCtx, imgData);
  8335. imgToPaint = tmpCanvas.canvas;
  8336. }
  8337. var paintWidth = width, paintHeight = height;
  8338. var tmpCanvasId = 'prescale1';
  8339. while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
  8340. var newWidth = paintWidth, newHeight = paintHeight;
  8341. if (widthScale > 2 && paintWidth > 1) {
  8342. newWidth = Math.ceil(paintWidth / 2);
  8343. widthScale /= paintWidth / newWidth;
  8344. }
  8345. if (heightScale > 2 && paintHeight > 1) {
  8346. newHeight = Math.ceil(paintHeight / 2);
  8347. heightScale /= paintHeight / newHeight;
  8348. }
  8349. tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
  8350. tmpCtx = tmpCanvas.context;
  8351. tmpCtx.clearRect(0, 0, newWidth, newHeight);
  8352. tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
  8353. imgToPaint = tmpCanvas.canvas;
  8354. paintWidth = newWidth;
  8355. paintHeight = newHeight;
  8356. tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
  8357. }
  8358. ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
  8359. if (this.imageLayer) {
  8360. var position = this.getCanvasPosition(0, -height);
  8361. this.imageLayer.appendImage({
  8362. imgData: imgData,
  8363. left: position[0],
  8364. top: position[1],
  8365. width: width / currentTransform[0],
  8366. height: height / currentTransform[3]
  8367. });
  8368. }
  8369. this.restore();
  8370. },
  8371. paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
  8372. var ctx = this.ctx;
  8373. var w = imgData.width;
  8374. var h = imgData.height;
  8375. var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
  8376. var tmpCtx = tmpCanvas.context;
  8377. putBinaryImageData(tmpCtx, imgData);
  8378. for (var i = 0, ii = map.length; i < ii; i++) {
  8379. var entry = map[i];
  8380. ctx.save();
  8381. ctx.transform.apply(ctx, entry.transform);
  8382. ctx.scale(1, -1);
  8383. ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
  8384. if (this.imageLayer) {
  8385. var position = this.getCanvasPosition(entry.x, entry.y);
  8386. this.imageLayer.appendImage({
  8387. imgData: imgData,
  8388. left: position[0],
  8389. top: position[1],
  8390. width: w,
  8391. height: h
  8392. });
  8393. }
  8394. ctx.restore();
  8395. }
  8396. },
  8397. paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
  8398. this.ctx.fillRect(0, 0, 1, 1);
  8399. },
  8400. paintXObject: function CanvasGraphics_paintXObject() {
  8401. warn('Unsupported \'paintXObject\' command.');
  8402. },
  8403. markPoint: function CanvasGraphics_markPoint(tag) {
  8404. },
  8405. markPointProps: function CanvasGraphics_markPointProps(tag, properties) {
  8406. },
  8407. beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
  8408. },
  8409. beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
  8410. },
  8411. endMarkedContent: function CanvasGraphics_endMarkedContent() {
  8412. },
  8413. beginCompat: function CanvasGraphics_beginCompat() {
  8414. },
  8415. endCompat: function CanvasGraphics_endCompat() {
  8416. },
  8417. consumePath: function CanvasGraphics_consumePath() {
  8418. var ctx = this.ctx;
  8419. if (this.pendingClip) {
  8420. if (this.pendingClip === EO_CLIP) {
  8421. ctx.clip('evenodd');
  8422. } else {
  8423. ctx.clip();
  8424. }
  8425. this.pendingClip = null;
  8426. }
  8427. ctx.beginPath();
  8428. },
  8429. getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
  8430. if (this.cachedGetSinglePixelWidth === null) {
  8431. this.ctx.save();
  8432. var inverse = this.ctx.mozCurrentTransformInverse;
  8433. this.ctx.restore();
  8434. this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
  8435. }
  8436. return this.cachedGetSinglePixelWidth;
  8437. },
  8438. getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
  8439. var transform = this.ctx.mozCurrentTransform;
  8440. return [
  8441. transform[0] * x + transform[2] * y + transform[4],
  8442. transform[1] * x + transform[3] * y + transform[5]
  8443. ];
  8444. }
  8445. };
  8446. for (var op in OPS) {
  8447. CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
  8448. }
  8449. return CanvasGraphics;
  8450. }();
  8451. exports.CanvasGraphics = CanvasGraphics;
  8452. /***/ }),
  8453. /* 11 */
  8454. /***/ (function(module, exports, __w_pdfjs_require__) {
  8455. "use strict";
  8456. var sharedUtil = __w_pdfjs_require__(0);
  8457. var assert = sharedUtil.assert;
  8458. var bytesToString = sharedUtil.bytesToString;
  8459. var string32 = sharedUtil.string32;
  8460. var shadow = sharedUtil.shadow;
  8461. var warn = sharedUtil.warn;
  8462. function FontLoader(docId) {
  8463. this.docId = docId;
  8464. this.styleElement = null;
  8465. this.nativeFontFaces = [];
  8466. this.loadTestFontId = 0;
  8467. this.loadingContext = {
  8468. requests: [],
  8469. nextRequestId: 0
  8470. };
  8471. }
  8472. FontLoader.prototype = {
  8473. insertRule: function fontLoaderInsertRule(rule) {
  8474. var styleElement = this.styleElement;
  8475. if (!styleElement) {
  8476. styleElement = this.styleElement = document.createElement('style');
  8477. styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
  8478. document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
  8479. }
  8480. var styleSheet = styleElement.sheet;
  8481. styleSheet.insertRule(rule, styleSheet.cssRules.length);
  8482. },
  8483. clear: function fontLoaderClear() {
  8484. var styleElement = this.styleElement;
  8485. if (styleElement) {
  8486. if (styleElement.parentNode) {
  8487. styleElement.parentNode.removeChild(styleElement);
  8488. }
  8489. styleElement = this.styleElement = null;
  8490. }
  8491. this.nativeFontFaces.forEach(function (nativeFontFace) {
  8492. document.fonts.delete(nativeFontFace);
  8493. });
  8494. this.nativeFontFaces.length = 0;
  8495. }
  8496. };
  8497. var getLoadTestFont = function () {
  8498. 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==');
  8499. };
  8500. Object.defineProperty(FontLoader.prototype, 'loadTestFont', {
  8501. get: function () {
  8502. return shadow(this, 'loadTestFont', getLoadTestFont());
  8503. },
  8504. configurable: true
  8505. });
  8506. FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) {
  8507. this.nativeFontFaces.push(nativeFontFace);
  8508. document.fonts.add(nativeFontFace);
  8509. };
  8510. FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
  8511. var rules = [];
  8512. var fontsToLoad = [];
  8513. var fontLoadPromises = [];
  8514. var getNativeFontPromise = function (nativeFontFace) {
  8515. return nativeFontFace.loaded.catch(function (e) {
  8516. warn('Failed to load font "' + nativeFontFace.family + '": ' + e);
  8517. });
  8518. };
  8519. var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported;
  8520. for (var i = 0, ii = fonts.length; i < ii; i++) {
  8521. var font = fonts[i];
  8522. if (font.attached || font.loading === false) {
  8523. continue;
  8524. }
  8525. font.attached = true;
  8526. if (isFontLoadingAPISupported) {
  8527. var nativeFontFace = font.createNativeFontFace();
  8528. if (nativeFontFace) {
  8529. this.addNativeFontFace(nativeFontFace);
  8530. fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
  8531. }
  8532. } else {
  8533. var rule = font.createFontFaceRule();
  8534. if (rule) {
  8535. this.insertRule(rule);
  8536. rules.push(rule);
  8537. fontsToLoad.push(font);
  8538. }
  8539. }
  8540. }
  8541. var request = this.queueLoadingCallback(callback);
  8542. if (isFontLoadingAPISupported) {
  8543. Promise.all(fontLoadPromises).then(function () {
  8544. request.complete();
  8545. });
  8546. } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
  8547. this.prepareFontLoadEvent(rules, fontsToLoad, request);
  8548. } else {
  8549. request.complete();
  8550. }
  8551. };
  8552. FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) {
  8553. function LoadLoader_completeRequest() {
  8554. assert(!request.end, 'completeRequest() cannot be called twice');
  8555. request.end = Date.now();
  8556. while (context.requests.length > 0 && context.requests[0].end) {
  8557. var otherRequest = context.requests.shift();
  8558. setTimeout(otherRequest.callback, 0);
  8559. }
  8560. }
  8561. var context = this.loadingContext;
  8562. var requestId = 'pdfjs-font-loading-' + context.nextRequestId++;
  8563. var request = {
  8564. id: requestId,
  8565. complete: LoadLoader_completeRequest,
  8566. callback: callback,
  8567. started: Date.now()
  8568. };
  8569. context.requests.push(request);
  8570. return request;
  8571. };
  8572. FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(rules, fonts, request) {
  8573. function int32(data, offset) {
  8574. return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
  8575. }
  8576. function spliceString(s, offset, remove, insert) {
  8577. var chunk1 = s.substr(0, offset);
  8578. var chunk2 = s.substr(offset + remove);
  8579. return chunk1 + insert + chunk2;
  8580. }
  8581. var i, ii;
  8582. var canvas = document.createElement('canvas');
  8583. canvas.width = 1;
  8584. canvas.height = 1;
  8585. var ctx = canvas.getContext('2d');
  8586. var called = 0;
  8587. function isFontReady(name, callback) {
  8588. called++;
  8589. if (called > 30) {
  8590. warn('Load test font never loaded.');
  8591. callback();
  8592. return;
  8593. }
  8594. ctx.font = '30px ' + name;
  8595. ctx.fillText('.', 0, 20);
  8596. var imageData = ctx.getImageData(0, 0, 1, 1);
  8597. if (imageData.data[3] > 0) {
  8598. callback();
  8599. return;
  8600. }
  8601. setTimeout(isFontReady.bind(null, name, callback));
  8602. }
  8603. var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
  8604. var data = this.loadTestFont;
  8605. var COMMENT_OFFSET = 976;
  8606. data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
  8607. var CFF_CHECKSUM_OFFSET = 16;
  8608. var XXXX_VALUE = 0x58585858;
  8609. var checksum = int32(data, CFF_CHECKSUM_OFFSET);
  8610. for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
  8611. checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
  8612. }
  8613. if (i < loadTestFontId.length) {
  8614. checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
  8615. }
  8616. data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
  8617. var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
  8618. var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}';
  8619. this.insertRule(rule);
  8620. var names = [];
  8621. for (i = 0, ii = fonts.length; i < ii; i++) {
  8622. names.push(fonts[i].loadedName);
  8623. }
  8624. names.push(loadTestFontId);
  8625. var div = document.createElement('div');
  8626. div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
  8627. for (i = 0, ii = names.length; i < ii; ++i) {
  8628. var span = document.createElement('span');
  8629. span.textContent = 'Hi';
  8630. span.style.fontFamily = names[i];
  8631. div.appendChild(span);
  8632. }
  8633. document.body.appendChild(div);
  8634. isFontReady(loadTestFontId, function () {
  8635. document.body.removeChild(div);
  8636. request.complete();
  8637. });
  8638. };
  8639. FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts;
  8640. var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {
  8641. if (typeof navigator === 'undefined') {
  8642. return true;
  8643. }
  8644. var supported = false;
  8645. var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
  8646. if (m && m[1] >= 14) {
  8647. supported = true;
  8648. }
  8649. return supported;
  8650. };
  8651. Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
  8652. get: function () {
  8653. return shadow(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported());
  8654. },
  8655. enumerable: true,
  8656. configurable: true
  8657. });
  8658. var IsEvalSupportedCached = {
  8659. get value() {
  8660. return shadow(this, 'value', sharedUtil.isEvalSupported());
  8661. }
  8662. };
  8663. var FontFaceObject = function FontFaceObjectClosure() {
  8664. function FontFaceObject(translatedData, options) {
  8665. this.compiledGlyphs = Object.create(null);
  8666. for (var i in translatedData) {
  8667. this[i] = translatedData[i];
  8668. }
  8669. this.options = options;
  8670. }
  8671. FontFaceObject.prototype = {
  8672. createNativeFontFace: function FontFaceObject_createNativeFontFace() {
  8673. if (!this.data) {
  8674. return null;
  8675. }
  8676. if (this.options.disableFontFace) {
  8677. this.disableFontFace = true;
  8678. return null;
  8679. }
  8680. var nativeFontFace = new FontFace(this.loadedName, this.data, {});
  8681. if (this.options.fontRegistry) {
  8682. this.options.fontRegistry.registerFont(this);
  8683. }
  8684. return nativeFontFace;
  8685. },
  8686. createFontFaceRule: function FontFaceObject_createFontFaceRule() {
  8687. if (!this.data) {
  8688. return null;
  8689. }
  8690. if (this.options.disableFontFace) {
  8691. this.disableFontFace = true;
  8692. return null;
  8693. }
  8694. var data = bytesToString(new Uint8Array(this.data));
  8695. var fontName = this.loadedName;
  8696. var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
  8697. var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
  8698. if (this.options.fontRegistry) {
  8699. this.options.fontRegistry.registerFont(this, url);
  8700. }
  8701. return rule;
  8702. },
  8703. getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) {
  8704. if (!(character in this.compiledGlyphs)) {
  8705. var cmds = objs.get(this.loadedName + '_path_' + character);
  8706. var current, i, len;
  8707. if (this.options.isEvalSupported && IsEvalSupportedCached.value) {
  8708. var args, js = '';
  8709. for (i = 0, len = cmds.length; i < len; i++) {
  8710. current = cmds[i];
  8711. if (current.args !== undefined) {
  8712. args = current.args.join(',');
  8713. } else {
  8714. args = '';
  8715. }
  8716. js += 'c.' + current.cmd + '(' + args + ');\n';
  8717. }
  8718. this.compiledGlyphs[character] = new Function('c', 'size', js);
  8719. } else {
  8720. this.compiledGlyphs[character] = function (c, size) {
  8721. for (i = 0, len = cmds.length; i < len; i++) {
  8722. current = cmds[i];
  8723. if (current.cmd === 'scale') {
  8724. current.args = [
  8725. size,
  8726. -size
  8727. ];
  8728. }
  8729. c[current.cmd].apply(c, current.args);
  8730. }
  8731. };
  8732. }
  8733. }
  8734. return this.compiledGlyphs[character];
  8735. }
  8736. };
  8737. return FontFaceObject;
  8738. }();
  8739. exports.FontFaceObject = FontFaceObject;
  8740. exports.FontLoader = FontLoader;
  8741. /***/ }),
  8742. /* 12 */
  8743. /***/ (function(module, exports, __w_pdfjs_require__) {
  8744. "use strict";
  8745. var sharedUtil = __w_pdfjs_require__(0);
  8746. var displayWebGL = __w_pdfjs_require__(7);
  8747. var Util = sharedUtil.Util;
  8748. var info = sharedUtil.info;
  8749. var isArray = sharedUtil.isArray;
  8750. var error = sharedUtil.error;
  8751. var WebGLUtils = displayWebGL.WebGLUtils;
  8752. var ShadingIRs = {};
  8753. ShadingIRs.RadialAxial = {
  8754. fromIR: function RadialAxial_fromIR(raw) {
  8755. var type = raw[1];
  8756. var colorStops = raw[2];
  8757. var p0 = raw[3];
  8758. var p1 = raw[4];
  8759. var r0 = raw[5];
  8760. var r1 = raw[6];
  8761. return {
  8762. type: 'Pattern',
  8763. getPattern: function RadialAxial_getPattern(ctx) {
  8764. var grad;
  8765. if (type === 'axial') {
  8766. grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
  8767. } else if (type === 'radial') {
  8768. grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
  8769. }
  8770. for (var i = 0, ii = colorStops.length; i < ii; ++i) {
  8771. var c = colorStops[i];
  8772. grad.addColorStop(c[0], c[1]);
  8773. }
  8774. return grad;
  8775. }
  8776. };
  8777. }
  8778. };
  8779. var createMeshCanvas = function createMeshCanvasClosure() {
  8780. function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
  8781. var coords = context.coords, colors = context.colors;
  8782. var bytes = data.data, rowSize = data.width * 4;
  8783. var tmp;
  8784. if (coords[p1 + 1] > coords[p2 + 1]) {
  8785. tmp = p1;
  8786. p1 = p2;
  8787. p2 = tmp;
  8788. tmp = c1;
  8789. c1 = c2;
  8790. c2 = tmp;
  8791. }
  8792. if (coords[p2 + 1] > coords[p3 + 1]) {
  8793. tmp = p2;
  8794. p2 = p3;
  8795. p3 = tmp;
  8796. tmp = c2;
  8797. c2 = c3;
  8798. c3 = tmp;
  8799. }
  8800. if (coords[p1 + 1] > coords[p2 + 1]) {
  8801. tmp = p1;
  8802. p1 = p2;
  8803. p2 = tmp;
  8804. tmp = c1;
  8805. c1 = c2;
  8806. c2 = tmp;
  8807. }
  8808. var x1 = (coords[p1] + context.offsetX) * context.scaleX;
  8809. var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
  8810. var x2 = (coords[p2] + context.offsetX) * context.scaleX;
  8811. var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
  8812. var x3 = (coords[p3] + context.offsetX) * context.scaleX;
  8813. var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
  8814. if (y1 >= y3) {
  8815. return;
  8816. }
  8817. var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2];
  8818. var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2];
  8819. var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2];
  8820. var minY = Math.round(y1), maxY = Math.round(y3);
  8821. var xa, car, cag, cab;
  8822. var xb, cbr, cbg, cbb;
  8823. var k;
  8824. for (var y = minY; y <= maxY; y++) {
  8825. if (y < y2) {
  8826. k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
  8827. xa = x1 - (x1 - x2) * k;
  8828. car = c1r - (c1r - c2r) * k;
  8829. cag = c1g - (c1g - c2g) * k;
  8830. cab = c1b - (c1b - c2b) * k;
  8831. } else {
  8832. k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
  8833. xa = x2 - (x2 - x3) * k;
  8834. car = c2r - (c2r - c3r) * k;
  8835. cag = c2g - (c2g - c3g) * k;
  8836. cab = c2b - (c2b - c3b) * k;
  8837. }
  8838. k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
  8839. xb = x1 - (x1 - x3) * k;
  8840. cbr = c1r - (c1r - c3r) * k;
  8841. cbg = c1g - (c1g - c3g) * k;
  8842. cbb = c1b - (c1b - c3b) * k;
  8843. var x1_ = Math.round(Math.min(xa, xb));
  8844. var x2_ = Math.round(Math.max(xa, xb));
  8845. var j = rowSize * y + x1_ * 4;
  8846. for (var x = x1_; x <= x2_; x++) {
  8847. k = (xa - x) / (xa - xb);
  8848. k = k < 0 ? 0 : k > 1 ? 1 : k;
  8849. bytes[j++] = car - (car - cbr) * k | 0;
  8850. bytes[j++] = cag - (cag - cbg) * k | 0;
  8851. bytes[j++] = cab - (cab - cbb) * k | 0;
  8852. bytes[j++] = 255;
  8853. }
  8854. }
  8855. }
  8856. function drawFigure(data, figure, context) {
  8857. var ps = figure.coords;
  8858. var cs = figure.colors;
  8859. var i, ii;
  8860. switch (figure.type) {
  8861. case 'lattice':
  8862. var verticesPerRow = figure.verticesPerRow;
  8863. var rows = Math.floor(ps.length / verticesPerRow) - 1;
  8864. var cols = verticesPerRow - 1;
  8865. for (i = 0; i < rows; i++) {
  8866. var q = i * verticesPerRow;
  8867. for (var j = 0; j < cols; j++, q++) {
  8868. drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
  8869. drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
  8870. }
  8871. }
  8872. break;
  8873. case 'triangles':
  8874. for (i = 0, ii = ps.length; i < ii; i += 3) {
  8875. drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
  8876. }
  8877. break;
  8878. default:
  8879. error('illigal figure');
  8880. break;
  8881. }
  8882. }
  8883. function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) {
  8884. var EXPECTED_SCALE = 1.1;
  8885. var MAX_PATTERN_SIZE = 3000;
  8886. var BORDER_SIZE = 2;
  8887. var offsetX = Math.floor(bounds[0]);
  8888. var offsetY = Math.floor(bounds[1]);
  8889. var boundsWidth = Math.ceil(bounds[2]) - offsetX;
  8890. var boundsHeight = Math.ceil(bounds[3]) - offsetY;
  8891. var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
  8892. var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
  8893. var scaleX = boundsWidth / width;
  8894. var scaleY = boundsHeight / height;
  8895. var context = {
  8896. coords: coords,
  8897. colors: colors,
  8898. offsetX: -offsetX,
  8899. offsetY: -offsetY,
  8900. scaleX: 1 / scaleX,
  8901. scaleY: 1 / scaleY
  8902. };
  8903. var paddedWidth = width + BORDER_SIZE * 2;
  8904. var paddedHeight = height + BORDER_SIZE * 2;
  8905. var canvas, tmpCanvas, i, ii;
  8906. if (WebGLUtils.isEnabled) {
  8907. canvas = WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
  8908. tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
  8909. tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
  8910. canvas = tmpCanvas.canvas;
  8911. } else {
  8912. tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
  8913. var tmpCtx = tmpCanvas.context;
  8914. var data = tmpCtx.createImageData(width, height);
  8915. if (backgroundColor) {
  8916. var bytes = data.data;
  8917. for (i = 0, ii = bytes.length; i < ii; i += 4) {
  8918. bytes[i] = backgroundColor[0];
  8919. bytes[i + 1] = backgroundColor[1];
  8920. bytes[i + 2] = backgroundColor[2];
  8921. bytes[i + 3] = 255;
  8922. }
  8923. }
  8924. for (i = 0; i < figures.length; i++) {
  8925. drawFigure(data, figures[i], context);
  8926. }
  8927. tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
  8928. canvas = tmpCanvas.canvas;
  8929. }
  8930. return {
  8931. canvas: canvas,
  8932. offsetX: offsetX - BORDER_SIZE * scaleX,
  8933. offsetY: offsetY - BORDER_SIZE * scaleY,
  8934. scaleX: scaleX,
  8935. scaleY: scaleY
  8936. };
  8937. }
  8938. return createMeshCanvas;
  8939. }();
  8940. ShadingIRs.Mesh = {
  8941. fromIR: function Mesh_fromIR(raw) {
  8942. var coords = raw[2];
  8943. var colors = raw[3];
  8944. var figures = raw[4];
  8945. var bounds = raw[5];
  8946. var matrix = raw[6];
  8947. var background = raw[8];
  8948. return {
  8949. type: 'Pattern',
  8950. getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
  8951. var scale;
  8952. if (shadingFill) {
  8953. scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
  8954. } else {
  8955. scale = Util.singularValueDecompose2dScale(owner.baseTransform);
  8956. if (matrix) {
  8957. var matrixScale = Util.singularValueDecompose2dScale(matrix);
  8958. scale = [
  8959. scale[0] * matrixScale[0],
  8960. scale[1] * matrixScale[1]
  8961. ];
  8962. }
  8963. }
  8964. var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases);
  8965. if (!shadingFill) {
  8966. ctx.setTransform.apply(ctx, owner.baseTransform);
  8967. if (matrix) {
  8968. ctx.transform.apply(ctx, matrix);
  8969. }
  8970. }
  8971. ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
  8972. ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
  8973. return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
  8974. }
  8975. };
  8976. }
  8977. };
  8978. ShadingIRs.Dummy = {
  8979. fromIR: function Dummy_fromIR() {
  8980. return {
  8981. type: 'Pattern',
  8982. getPattern: function Dummy_fromIR_getPattern() {
  8983. return 'hotpink';
  8984. }
  8985. };
  8986. }
  8987. };
  8988. function getShadingPatternFromIR(raw) {
  8989. var shadingIR = ShadingIRs[raw[0]];
  8990. if (!shadingIR) {
  8991. error('Unknown IR type: ' + raw[0]);
  8992. }
  8993. return shadingIR.fromIR(raw);
  8994. }
  8995. var TilingPattern = function TilingPatternClosure() {
  8996. var PaintType = {
  8997. COLORED: 1,
  8998. UNCOLORED: 2
  8999. };
  9000. var MAX_PATTERN_SIZE = 3000;
  9001. function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
  9002. this.operatorList = IR[2];
  9003. this.matrix = IR[3] || [
  9004. 1,
  9005. 0,
  9006. 0,
  9007. 1,
  9008. 0,
  9009. 0
  9010. ];
  9011. this.bbox = IR[4];
  9012. this.xstep = IR[5];
  9013. this.ystep = IR[6];
  9014. this.paintType = IR[7];
  9015. this.tilingType = IR[8];
  9016. this.color = color;
  9017. this.canvasGraphicsFactory = canvasGraphicsFactory;
  9018. this.baseTransform = baseTransform;
  9019. this.type = 'Pattern';
  9020. this.ctx = ctx;
  9021. }
  9022. TilingPattern.prototype = {
  9023. createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
  9024. var operatorList = this.operatorList;
  9025. var bbox = this.bbox;
  9026. var xstep = this.xstep;
  9027. var ystep = this.ystep;
  9028. var paintType = this.paintType;
  9029. var tilingType = this.tilingType;
  9030. var color = this.color;
  9031. var canvasGraphicsFactory = this.canvasGraphicsFactory;
  9032. info('TilingType: ' + tilingType);
  9033. var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3];
  9034. var topLeft = [
  9035. x0,
  9036. y0
  9037. ];
  9038. var botRight = [
  9039. x0 + xstep,
  9040. y0 + ystep
  9041. ];
  9042. var width = botRight[0] - topLeft[0];
  9043. var height = botRight[1] - topLeft[1];
  9044. var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
  9045. var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
  9046. var combinedScale = [
  9047. matrixScale[0] * curMatrixScale[0],
  9048. matrixScale[1] * curMatrixScale[1]
  9049. ];
  9050. width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
  9051. height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
  9052. var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
  9053. var tmpCtx = tmpCanvas.context;
  9054. var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
  9055. graphics.groupLevel = owner.groupLevel;
  9056. this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
  9057. this.setScale(width, height, xstep, ystep);
  9058. this.transformToScale(graphics);
  9059. var tmpTranslate = [
  9060. 1,
  9061. 0,
  9062. 0,
  9063. 1,
  9064. -topLeft[0],
  9065. -topLeft[1]
  9066. ];
  9067. graphics.transform.apply(graphics, tmpTranslate);
  9068. this.clipBbox(graphics, bbox, x0, y0, x1, y1);
  9069. graphics.executeOperatorList(operatorList);
  9070. return tmpCanvas.canvas;
  9071. },
  9072. setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
  9073. this.scale = [
  9074. width / xstep,
  9075. height / ystep
  9076. ];
  9077. },
  9078. transformToScale: function TilingPattern_transformToScale(graphics) {
  9079. var scale = this.scale;
  9080. var tmpScale = [
  9081. scale[0],
  9082. 0,
  9083. 0,
  9084. scale[1],
  9085. 0,
  9086. 0
  9087. ];
  9088. graphics.transform.apply(graphics, tmpScale);
  9089. },
  9090. scaleToContext: function TilingPattern_scaleToContext() {
  9091. var scale = this.scale;
  9092. this.ctx.scale(1 / scale[0], 1 / scale[1]);
  9093. },
  9094. clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
  9095. if (bbox && isArray(bbox) && bbox.length === 4) {
  9096. var bboxWidth = x1 - x0;
  9097. var bboxHeight = y1 - y0;
  9098. graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
  9099. graphics.clip();
  9100. graphics.endPath();
  9101. }
  9102. },
  9103. setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) {
  9104. switch (paintType) {
  9105. case PaintType.COLORED:
  9106. var ctx = this.ctx;
  9107. context.fillStyle = ctx.fillStyle;
  9108. context.strokeStyle = ctx.strokeStyle;
  9109. break;
  9110. case PaintType.UNCOLORED:
  9111. var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);
  9112. context.fillStyle = cssColor;
  9113. context.strokeStyle = cssColor;
  9114. break;
  9115. default:
  9116. error('Unsupported paint type: ' + paintType);
  9117. }
  9118. },
  9119. getPattern: function TilingPattern_getPattern(ctx, owner) {
  9120. var temporaryPatternCanvas = this.createPatternCanvas(owner);
  9121. ctx = this.ctx;
  9122. ctx.setTransform.apply(ctx, this.baseTransform);
  9123. ctx.transform.apply(ctx, this.matrix);
  9124. this.scaleToContext();
  9125. return ctx.createPattern(temporaryPatternCanvas, 'repeat');
  9126. }
  9127. };
  9128. return TilingPattern;
  9129. }();
  9130. exports.getShadingPatternFromIR = getShadingPatternFromIR;
  9131. exports.TilingPattern = TilingPattern;
  9132. /***/ }),
  9133. /* 13 */
  9134. /***/ (function(module, exports, __w_pdfjs_require__) {
  9135. "use strict";
  9136. var pdfjsVersion = '1.7.280';
  9137. var pdfjsBuild = '1549a46e';
  9138. var pdfjsSharedUtil = __w_pdfjs_require__(0);
  9139. var pdfjsDisplayGlobal = __w_pdfjs_require__(8);
  9140. var pdfjsDisplayAPI = __w_pdfjs_require__(3);
  9141. var pdfjsDisplayTextLayer = __w_pdfjs_require__(5);
  9142. var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(2);
  9143. var pdfjsDisplayDOMUtils = __w_pdfjs_require__(1);
  9144. var pdfjsDisplaySVG = __w_pdfjs_require__(4);
  9145. exports.PDFJS = pdfjsDisplayGlobal.PDFJS;
  9146. exports.build = pdfjsDisplayAPI.build;
  9147. exports.version = pdfjsDisplayAPI.version;
  9148. exports.getDocument = pdfjsDisplayAPI.getDocument;
  9149. exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
  9150. exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
  9151. exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
  9152. exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
  9153. exports.CustomStyle = pdfjsDisplayDOMUtils.CustomStyle;
  9154. exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
  9155. exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
  9156. exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
  9157. exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
  9158. exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
  9159. exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException;
  9160. exports.OPS = pdfjsSharedUtil.OPS;
  9161. exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
  9162. exports.isValidUrl = pdfjsDisplayDOMUtils.isValidUrl;
  9163. exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
  9164. exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
  9165. exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
  9166. exports.shadow = pdfjsSharedUtil.shadow;
  9167. exports.createBlob = pdfjsSharedUtil.createBlob;
  9168. exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
  9169. exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
  9170. /***/ })
  9171. /******/ ]);
  9172. });