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Diffstat (limited to 'application/basilisk/extensions/pdfjs/content/build/pdf.js')
| -rw-r--r-- | application/basilisk/extensions/pdfjs/content/build/pdf.js | 7007 |
1 files changed, 7007 insertions, 0 deletions
diff --git a/application/basilisk/extensions/pdfjs/content/build/pdf.js b/application/basilisk/extensions/pdfjs/content/build/pdf.js new file mode 100644 index 000000000..2ff796439 --- /dev/null +++ b/application/basilisk/extensions/pdfjs/content/build/pdf.js @@ -0,0 +1,7007 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +(function (root, factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { + define('pdfjs-dist/build/pdf', ['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { + factory(root['pdfjsDistBuildPdf'] = {}); + } +}(this, function (exports) { + 'use strict'; + var pdfjsVersion = '1.6.467'; + var pdfjsBuild = '54d55e8b'; + var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null; + var pdfjsLibs = {}; + (function pdfjsWrapper() { + (function (root, factory) { + factory(root.pdfjsSharedUtil = {}); + }(this, function (exports) { + var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this; + var FONT_IDENTITY_MATRIX = [ + 0.001, + 0, + 0, + 0.001, + 0, + 0 + ]; + var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 + }; + var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 + }; + var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 + }; + var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 + }; + var AnnotationFieldFlag = { + READONLY: 0x0000001, + REQUIRED: 0x0000002, + NOEXPORT: 0x0000004, + MULTILINE: 0x0001000, + PASSWORD: 0x0002000, + NOTOGGLETOOFF: 0x0004000, + RADIO: 0x0008000, + PUSHBUTTON: 0x0010000, + COMBO: 0x0020000, + EDIT: 0x0040000, + SORT: 0x0080000, + FILESELECT: 0x0100000, + MULTISELECT: 0x0200000, + DONOTSPELLCHECK: 0x0400000, + DONOTSCROLL: 0x0800000, + COMB: 0x1000000, + RICHTEXT: 0x2000000, + RADIOSINUNISON: 0x2000000, + COMMITONSELCHANGE: 0x4000000 + }; + var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 + }; + var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 + }; + var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 + }; + var VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 + }; + var OPS = { + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 + }; + var verbosity = VERBOSITY_LEVELS.warnings; + function setVerbosityLevel(level) { + verbosity = level; + } + function getVerbosityLevel() { + return verbosity; + } + function info(msg) { + if (verbosity >= VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } + } + function warn(msg) { + if (verbosity >= VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } + } + function deprecated(details) { + console.log('Deprecated API usage: ' + details); + } + function error(msg) { + if (verbosity >= VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); + } + function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } + } + function assert(cond, msg) { + if (!cond) { + error(msg); + } + } + var UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' + }; + function isSameOrigin(baseUrl, otherUrl) { + try { + var base = new URL(baseUrl); + if (!base.origin || base.origin === 'null') { + return false; + } + } catch (e) { + return false; + } + var other = new URL(otherUrl, base); + return base.origin === other.origin; + } + function isValidProtocol(url) { + if (!url) { + return false; + } + switch (url.protocol) { + case 'http:': + case 'https:': + case 'ftp:': + case 'mailto:': + case 'tel:': + return true; + default: + return false; + } + } + function createValidAbsoluteUrl(url, baseUrl) { + if (!url) { + return null; + } + try { + var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url); + if (isValidProtocol(absoluteUrl)) { + return absoluteUrl; + } + } catch (ex) { + } + return null; + } + function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { + value: value, + enumerable: true, + configurable: true, + writable: false + }); + return value; + } + function getLookupTableFactory(initializer) { + var lookup; + return function () { + if (initializer) { + lookup = Object.create(null); + initializer(lookup); + initializer = null; + } + return lookup; + }; + } + var PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 + }; + var PasswordException = function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + return PasswordException; + }(); + var UnknownErrorException = function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + return UnknownErrorException; + }(); + var InvalidPDFException = function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + return InvalidPDFException; + }(); + var MissingPDFException = function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + return MissingPDFException; + }(); + var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + return UnexpectedResponseException; + }(); + var NotImplementedException = function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + return NotImplementedException; + }(); + var MissingDataException = function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + return MissingDataException; + }(); + var XRefParseException = function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + return XRefParseException; + }(); + var NullCharactersRegExp = /\x00/g; + function removeNullCharacters(str) { + if (typeof str !== 'string') { + warn('The argument for removeNullCharacters must be a string.'); + return str; + } + return str.replace(NullCharactersRegExp, ''); + } + function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); + } + function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; + } + function arrayByteLength(arr) { + if (arr.length !== undefined) { + return arr.length; + } + assert(arr.byteLength !== undefined); + return arr.byteLength; + } + function arraysToBytes(arr) { + if (arr.length === 1 && arr[0] instanceof Uint8Array) { + return arr[0]; + } + var resultLength = 0; + var i, ii = arr.length; + var item, itemLength; + for (i = 0; i < ii; i++) { + item = arr[i]; + itemLength = arrayByteLength(item); + resultLength += itemLength; + } + var pos = 0; + var data = new Uint8Array(resultLength); + for (i = 0; i < ii; i++) { + item = arr[i]; + if (!(item instanceof Uint8Array)) { + if (typeof item === 'string') { + item = stringToBytes(item); + } else { + item = new Uint8Array(item); + } + } + itemLength = item.byteLength; + data.set(item, pos); + pos += itemLength; + } + return data; + } + function string32(value) { + return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff); + } + function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; + } + function readInt8(data, start) { + return data[start] << 24 >> 24; + } + function readUint16(data, offset) { + return data[offset] << 8 | data[offset + 1]; + } + function readUint32(data, offset) { + return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0; + } + function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return buffer16[0] === 1; + } + function isEvalSupported() { + try { + new Function(''); + return true; + } catch (e) { + return false; + } + } + var IDENTITY_MATRIX = [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + var Util = function UtilClosure() { + function Util() { + } + var rgbBuf = [ + 'rgb(', + 0, + ',', + 0, + ',', + 0, + ')' + ]; + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [ + xt, + yt + ]; + }; + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [ + xt, + yt + ]; + }; + Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) { + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([ + r[0], + r[3] + ], m); + var p4 = Util.applyTransform([ + r[2], + r[1] + ], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [ + m[3] / d, + -m[1] / d, + -m[2] / d, + m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, + (m[4] * m[1] - m[5] * m[0]) / d + ]; + }; + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) { + var transpose = [ + m[0], + m[2], + m[1], + m[3] + ]; + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + return [ + Math.sqrt(sx), + Math.sqrt(sy) + ]; + }; + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + var orderedX = [ + rect1[0], + rect1[2], + rect2[0], + rect2[2] + ].sort(compare), orderedY = [ + rect1[1], + rect1[3], + rect2[1], + rect2[3] + ].sort(compare), result = []; + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) { + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) { + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + return result; + }; + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + var ROMAN_NUMBER_MAP = [ + '', + 'C', + 'CC', + 'CCC', + 'CD', + 'D', + 'DC', + 'DCC', + 'DCCC', + 'CM', + '', + 'X', + 'XX', + 'XXX', + 'XL', + 'L', + 'LX', + 'LXX', + 'LXXX', + 'XC', + '', + 'I', + 'II', + 'III', + 'IV', + 'V', + 'VI', + 'VII', + 'VIII', + 'IX' + ]; + Util.toRoman = function Util_toRoman(number, lowerCase) { + assert(isInt(number) && number > 0, 'The number should be a positive integer.'); + var pos, romanBuf = []; + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + pos = number / 100 | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + pos = number / 10 | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + var romanStr = romanBuf.join(''); + return lowerCase ? romanStr.toLowerCase() : romanStr; + }; + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return getArray ? dict.getArray(name) : dict.get(name); + }; + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function () { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + return Util; + }(); + var PageViewport = function PageViewportClosure() { + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; + rotateB = 0; + rotateC = 0; + rotateD = 1; + break; + case 90: + rotateA = 0; + rotateB = 1; + rotateC = 1; + rotateD = 0; + break; + case 270: + rotateA = 0; + rotateB = -1; + rotateC = -1; + rotateD = 0; + break; + default: + rotateA = 1; + rotateB = 0; + rotateC = 0; + rotateD = -1; + break; + } + if (dontFlip) { + rotateC = -rotateC; + rotateD = -rotateD; + } + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = { + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip); + }, + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([ + x, + y + ], this.transform); + }, + convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([ + rect[0], + rect[1] + ], this.transform); + var br = Util.applyTransform([ + rect[2], + rect[3] + ], this.transform); + return [ + tl[0], + tl[1], + br[0], + br[1] + ]; + }, + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([ + x, + y + ], this.transform); + } + }; + return PageViewport; + }(); + var PDFStringTranslateTable = [ + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0x2D8, + 0x2C7, + 0x2C6, + 0x2D9, + 0x2DD, + 0x2DB, + 0x2DA, + 0x2DC, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0x2022, + 0x2020, + 0x2021, + 0x2026, + 0x2014, + 0x2013, + 0x192, + 0x2044, + 0x2039, + 0x203A, + 0x2212, + 0x2030, + 0x201E, + 0x201C, + 0x201D, + 0x2018, + 0x2019, + 0x201A, + 0x2122, + 0xFB01, + 0xFB02, + 0x141, + 0x152, + 0x160, + 0x178, + 0x17D, + 0x131, + 0x142, + 0x153, + 0x161, + 0x17E, + 0, + 0x20AC + ]; + function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); + } + function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); + } + function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); + } + function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; + } + function isBool(v) { + return typeof v === 'boolean'; + } + function isInt(v) { + return typeof v === 'number' && (v | 0) === v; + } + function isNum(v) { + return typeof v === 'number'; + } + function isString(v) { + return typeof v === 'string'; + } + function isArray(v) { + return v instanceof Array; + } + function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; + } + function isSpace(ch) { + return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A; + } + function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; + } + (function PromiseClosure() { + if (globalScope.Promise) { + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { + resolve(value); + }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + throw new Error('DOM Promise is not present'); + }()); + var StatTimer = function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = Object.create(null); + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; + }(); + var createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + warn('The "Blob" constructor is not supported.'); + }; + var createObjectURL = function createObjectURLClosure() { + var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + return function createObjectURL(data, contentType, forceDataSchema) { + if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = createBlob(data, contentType); + return URL.createObjectURL(blob); + } + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4; + var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64; + var d4 = i + 2 < ii ? b3 & 0x3F : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; + }(); + function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = Object.create(null); + var ah = this.actionHandler = Object.create(null); + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); + } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); + } + MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [ + handler, + scope + ]; + }, + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } + }; + function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }; + img.onerror = function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }; + img.src = imageUrl; + } + exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; + exports.IDENTITY_MATRIX = IDENTITY_MATRIX; + exports.OPS = OPS; + exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS; + exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; + exports.AnnotationBorderStyleType = AnnotationBorderStyleType; + exports.AnnotationFieldFlag = AnnotationFieldFlag; + exports.AnnotationFlag = AnnotationFlag; + exports.AnnotationType = AnnotationType; + exports.FontType = FontType; + exports.ImageKind = ImageKind; + exports.InvalidPDFException = InvalidPDFException; + exports.MessageHandler = MessageHandler; + exports.MissingDataException = MissingDataException; + exports.MissingPDFException = MissingPDFException; + exports.NotImplementedException = NotImplementedException; + exports.PageViewport = PageViewport; + exports.PasswordException = PasswordException; + exports.PasswordResponses = PasswordResponses; + exports.StatTimer = StatTimer; + exports.StreamType = StreamType; + exports.TextRenderingMode = TextRenderingMode; + exports.UnexpectedResponseException = UnexpectedResponseException; + exports.UnknownErrorException = UnknownErrorException; + exports.Util = Util; + exports.XRefParseException = XRefParseException; + exports.arrayByteLength = arrayByteLength; + exports.arraysToBytes = arraysToBytes; + exports.assert = assert; + exports.bytesToString = bytesToString; + exports.createBlob = createBlob; + exports.createPromiseCapability = createPromiseCapability; + exports.createObjectURL = createObjectURL; + exports.deprecated = deprecated; + exports.error = error; + exports.getLookupTableFactory = getLookupTableFactory; + exports.getVerbosityLevel = getVerbosityLevel; + exports.globalScope = globalScope; + exports.info = info; + exports.isArray = isArray; + exports.isArrayBuffer = isArrayBuffer; + exports.isBool = isBool; + exports.isEmptyObj = isEmptyObj; + exports.isInt = isInt; + exports.isNum = isNum; + exports.isString = isString; + exports.isSpace = isSpace; + exports.isSameOrigin = isSameOrigin; + exports.createValidAbsoluteUrl = createValidAbsoluteUrl; + exports.isLittleEndian = isLittleEndian; + exports.isEvalSupported = isEvalSupported; + exports.loadJpegStream = loadJpegStream; + exports.log2 = log2; + exports.readInt8 = readInt8; + exports.readUint16 = readUint16; + exports.readUint32 = readUint32; + exports.removeNullCharacters = removeNullCharacters; + exports.setVerbosityLevel = setVerbosityLevel; + exports.shadow = shadow; + exports.string32 = string32; + exports.stringToBytes = stringToBytes; + exports.stringToPDFString = stringToPDFString; + exports.stringToUTF8String = stringToUTF8String; + exports.utf8StringToString = utf8StringToString; + exports.warn = warn; + })); + (function (root, factory) { + factory(root.pdfjsDisplayDOMUtils = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var removeNullCharacters = sharedUtil.removeNullCharacters; + var warn = sharedUtil.warn; + var deprecated = sharedUtil.deprecated; + var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl; + var CustomStyle = function CustomStyleClosure() { + var prefixes = [ + 'ms', + 'Moz', + 'Webkit', + 'O' + ]; + var _cache = Object.create(null); + function CustomStyle() { + } + CustomStyle.getProp = function get(propName, element) { + if (arguments.length === 1 && typeof _cache[propName] === 'string') { + return _cache[propName]; + } + element = element || document.documentElement; + var style = element.style, prefixed, uPropName; + if (typeof style[propName] === 'string') { + return _cache[propName] = propName; + } + uPropName = propName.charAt(0).toUpperCase() + propName.slice(1); + for (var i = 0, l = prefixes.length; i < l; i++) { + prefixed = prefixes[i] + uPropName; + if (typeof style[prefixed] === 'string') { + return _cache[propName] = prefixed; + } + } + return _cache[propName] = 'undefined'; + }; + CustomStyle.setProp = function set(propName, element, str) { + var prop = this.getProp(propName); + if (prop !== 'undefined') { + element.style[prop] = str; + } + }; + return CustomStyle; + }(); + var hasCanvasTypedArrays; + hasCanvasTypedArrays = function () { + return true; + }; + var LinkTarget = { + NONE: 0, + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 + }; + var LinkTargetStringMap = [ + '', + '_self', + '_blank', + '_parent', + '_top' + ]; + function addLinkAttributes(link, params) { + var url = params && params.url; + link.href = link.title = url ? removeNullCharacters(url) : ''; + if (url) { + var target = params.target; + if (typeof target === 'undefined') { + target = getDefaultSetting('externalLinkTarget'); + } + link.target = LinkTargetStringMap[target]; + var rel = params.rel; + if (typeof rel === 'undefined') { + rel = getDefaultSetting('externalLinkRel'); + } + link.rel = rel; + } + } + function getFilenameFromUrl(url) { + var anchor = url.indexOf('#'); + var query = url.indexOf('?'); + var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length); + return url.substring(url.lastIndexOf('/', end) + 1, end); + } + function getDefaultSetting(id) { + var globalSettings = sharedUtil.globalScope.PDFJS; + switch (id) { + case 'pdfBug': + return globalSettings ? globalSettings.pdfBug : false; + case 'disableAutoFetch': + return globalSettings ? globalSettings.disableAutoFetch : false; + case 'disableStream': + return globalSettings ? globalSettings.disableStream : false; + case 'disableRange': + return globalSettings ? globalSettings.disableRange : false; + case 'disableFontFace': + return globalSettings ? globalSettings.disableFontFace : false; + case 'disableCreateObjectURL': + return globalSettings ? globalSettings.disableCreateObjectURL : false; + case 'disableWebGL': + return globalSettings ? globalSettings.disableWebGL : true; + case 'cMapUrl': + return globalSettings ? globalSettings.cMapUrl : null; + case 'cMapPacked': + return globalSettings ? globalSettings.cMapPacked : false; + case 'postMessageTransfers': + return globalSettings ? globalSettings.postMessageTransfers : true; + case 'workerSrc': + return globalSettings ? globalSettings.workerSrc : null; + case 'disableWorker': + return globalSettings ? globalSettings.disableWorker : false; + case 'maxImageSize': + return globalSettings ? globalSettings.maxImageSize : -1; + case 'imageResourcesPath': + return globalSettings ? globalSettings.imageResourcesPath : ''; + case 'isEvalSupported': + return globalSettings ? globalSettings.isEvalSupported : true; + case 'externalLinkTarget': + if (!globalSettings) { + return LinkTarget.NONE; + } + switch (globalSettings.externalLinkTarget) { + case LinkTarget.NONE: + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return globalSettings.externalLinkTarget; + } + warn('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget); + globalSettings.externalLinkTarget = LinkTarget.NONE; + return LinkTarget.NONE; + case 'externalLinkRel': + return globalSettings ? globalSettings.externalLinkRel : 'noreferrer'; + case 'enableStats': + return !!(globalSettings && globalSettings.enableStats); + default: + throw new Error('Unknown default setting: ' + id); + } + } + function isExternalLinkTargetSet() { + var externalLinkTarget = getDefaultSetting('externalLinkTarget'); + switch (externalLinkTarget) { + case LinkTarget.NONE: + return false; + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return true; + } + } + function isValidUrl(url, allowRelative) { + deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.'); + var baseUrl = allowRelative ? 'http://example.com' : null; + return createValidAbsoluteUrl(url, baseUrl) !== null; + } + exports.CustomStyle = CustomStyle; + exports.addLinkAttributes = addLinkAttributes; + exports.isExternalLinkTargetSet = isExternalLinkTargetSet; + exports.isValidUrl = isValidUrl; + exports.getFilenameFromUrl = getFilenameFromUrl; + exports.LinkTarget = LinkTarget; + exports.hasCanvasTypedArrays = hasCanvasTypedArrays; + exports.getDefaultSetting = getDefaultSetting; + })); + (function (root, factory) { + factory(root.pdfjsDisplayFontLoader = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var assert = sharedUtil.assert; + var bytesToString = sharedUtil.bytesToString; + var string32 = sharedUtil.string32; + var shadow = sharedUtil.shadow; + var warn = sharedUtil.warn; + function FontLoader(docId) { + this.docId = docId; + this.styleElement = null; + } + FontLoader.prototype = { + insertRule: function fontLoaderInsertRule(rule) { + var styleElement = this.styleElement; + if (!styleElement) { + styleElement = this.styleElement = document.createElement('style'); + styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId; + document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement); + } + var styleSheet = styleElement.sheet; + styleSheet.insertRule(rule, styleSheet.cssRules.length); + }, + clear: function fontLoaderClear() { + var styleElement = this.styleElement; + if (styleElement) { + styleElement.parentNode.removeChild(styleElement); + styleElement = this.styleElement = null; + } + } + }; + FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) { + for (var i = 0, ii = fonts.length; i < ii; i++) { + var font = fonts[i]; + if (font.attached) { + continue; + } + font.attached = true; + var rule = font.createFontFaceRule(); + if (rule) { + this.insertRule(rule); + } + } + setTimeout(callback); + }; + var IsEvalSupportedCached = { + get value() { + return shadow(this, 'value', sharedUtil.isEvalSupported()); + } + }; + var FontFaceObject = function FontFaceObjectClosure() { + function FontFaceObject(translatedData, options) { + this.compiledGlyphs = Object.create(null); + for (var i in translatedData) { + this[i] = translatedData[i]; + } + this.options = options; + } + FontFaceObject.prototype = { + createNativeFontFace: function FontFaceObject_createNativeFontFace() { + throw new Error('Not implemented: createNativeFontFace'); + }, + createFontFaceRule: function FontFaceObject_createFontFaceRule() { + if (!this.data) { + return null; + } + if (this.options.disableFontFace) { + this.disableFontFace = true; + return null; + } + var data = bytesToString(new Uint8Array(this.data)); + var fontName = this.loadedName; + var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');'; + var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; + if (this.options.fontRegistry) { + this.options.fontRegistry.registerFont(this, url); + } + return rule; + }, + getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) { + if (!(character in this.compiledGlyphs)) { + var cmds = objs.get(this.loadedName + '_path_' + character); + var current, i, len; + if (this.options.isEvalSupported && IsEvalSupportedCached.value) { + var args, js = ''; + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + if (current.args !== undefined) { + args = current.args.join(','); + } else { + args = ''; + } + js += 'c.' + current.cmd + '(' + args + ');\n'; + } + this.compiledGlyphs[character] = new Function('c', 'size', js); + } else { + this.compiledGlyphs[character] = function (c, size) { + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + if (current.cmd === 'scale') { + current.args = [ + size, + -size + ]; + } + c[current.cmd].apply(c, current.args); + } + }; + } + } + return this.compiledGlyphs[character]; + } + }; + return FontFaceObject; + }(); + exports.FontFaceObject = FontFaceObject; + exports.FontLoader = FontLoader; + })); + (function (root, factory) { + factory(root.pdfjsDisplayMetadata = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + var error = sharedUtil.error; + function fixMetadata(meta) { + return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) { + var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) { + return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); + }); + var chars = ''; + for (var i = 0; i < bytes.length; i += 2) { + var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); + chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; + } + return '>' + chars; + }); + } + function Metadata(meta) { + if (typeof meta === 'string') { + meta = fixMetadata(meta); + var parser = new DOMParser(); + meta = parser.parseFromString(meta, 'application/xml'); + } else if (!(meta instanceof Document)) { + error('Metadata: Invalid metadata object'); + } + this.metaDocument = meta; + this.metadata = Object.create(null); + this.parse(); + } + Metadata.prototype = { + parse: function Metadata_parse() { + var doc = this.metaDocument; + var rdf = doc.documentElement; + if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.firstChild; + while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.nextSibling; + } + } + var nodeName = rdf ? rdf.nodeName.toLowerCase() : null; + if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { + return; + } + var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength; + for (i = 0, length = children.length; i < length; i++) { + desc = children[i]; + if (desc.nodeName.toLowerCase() !== 'rdf:description') { + continue; + } + for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) { + if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') { + entry = desc.childNodes[ii]; + name = entry.nodeName.toLowerCase(); + this.metadata[name] = entry.textContent.trim(); + } + } + } + }, + get: function Metadata_get(name) { + return this.metadata[name] || null; + }, + has: function Metadata_has(name) { + return typeof this.metadata[name] !== 'undefined'; + } + }; + exports.Metadata = Metadata; + })); + (function (root, factory) { + factory(root.pdfjsDisplaySVG = {}, root.pdfjsSharedUtil); + }(this, function (exports, sharedUtil) { + })); + (function (root, factory) { + factory(root.pdfjsDisplayAnnotationLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayDOMUtils) { + var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; + var AnnotationType = sharedUtil.AnnotationType; + var Util = sharedUtil.Util; + var addLinkAttributes = displayDOMUtils.addLinkAttributes; + var LinkTarget = displayDOMUtils.LinkTarget; + var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl; + var warn = sharedUtil.warn; + var CustomStyle = displayDOMUtils.CustomStyle; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + function AnnotationElementFactory() { + } + AnnotationElementFactory.prototype = { + create: function AnnotationElementFactory_create(parameters) { + var subtype = parameters.data.annotationType; + switch (subtype) { + case AnnotationType.LINK: + return new LinkAnnotationElement(parameters); + case AnnotationType.TEXT: + return new TextAnnotationElement(parameters); + case AnnotationType.WIDGET: + var fieldType = parameters.data.fieldType; + switch (fieldType) { + case 'Tx': + return new TextWidgetAnnotationElement(parameters); + case 'Btn': + if (parameters.data.radioButton) { + return new RadioButtonWidgetAnnotationElement(parameters); + } else if (parameters.data.checkBox) { + return new CheckboxWidgetAnnotationElement(parameters); + } + warn('Unimplemented button widget annotation: pushbutton'); + break; + case 'Ch': + return new ChoiceWidgetAnnotationElement(parameters); + } + return new WidgetAnnotationElement(parameters); + case AnnotationType.POPUP: + return new PopupAnnotationElement(parameters); + case AnnotationType.HIGHLIGHT: + return new HighlightAnnotationElement(parameters); + case AnnotationType.UNDERLINE: + return new UnderlineAnnotationElement(parameters); + case AnnotationType.SQUIGGLY: + return new SquigglyAnnotationElement(parameters); + case AnnotationType.STRIKEOUT: + return new StrikeOutAnnotationElement(parameters); + case AnnotationType.FILEATTACHMENT: + return new FileAttachmentAnnotationElement(parameters); + default: + return new AnnotationElement(parameters); + } + } + }; + var AnnotationElement = function AnnotationElementClosure() { + function AnnotationElement(parameters, isRenderable) { + this.isRenderable = isRenderable || false; + this.data = parameters.data; + this.layer = parameters.layer; + this.page = parameters.page; + this.viewport = parameters.viewport; + this.linkService = parameters.linkService; + this.downloadManager = parameters.downloadManager; + this.imageResourcesPath = parameters.imageResourcesPath; + this.renderInteractiveForms = parameters.renderInteractiveForms; + if (isRenderable) { + this.container = this._createContainer(); + } + } + AnnotationElement.prototype = { + _createContainer: function AnnotationElement_createContainer() { + var data = this.data, page = this.page, viewport = this.viewport; + var container = document.createElement('section'); + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + container.setAttribute('data-annotation-id', data.id); + var rect = Util.normalizeRect([ + data.rect[0], + page.view[3] - data.rect[1] + page.view[1], + data.rect[2], + page.view[3] - data.rect[3] + page.view[1] + ]); + CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')'); + CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px'); + if (data.borderStyle.width > 0) { + container.style.borderWidth = data.borderStyle.width + 'px'; + if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) { + width = width - 2 * data.borderStyle.width; + height = height - 2 * data.borderStyle.width; + } + var horizontalRadius = data.borderStyle.horizontalCornerRadius; + var verticalRadius = data.borderStyle.verticalCornerRadius; + if (horizontalRadius > 0 || verticalRadius > 0) { + var radius = horizontalRadius + 'px / ' + verticalRadius + 'px'; + CustomStyle.setProp('borderRadius', container, radius); + } + switch (data.borderStyle.style) { + case AnnotationBorderStyleType.SOLID: + container.style.borderStyle = 'solid'; + break; + case AnnotationBorderStyleType.DASHED: + container.style.borderStyle = 'dashed'; + break; + case AnnotationBorderStyleType.BEVELED: + warn('Unimplemented border style: beveled'); + break; + case AnnotationBorderStyleType.INSET: + warn('Unimplemented border style: inset'); + break; + case AnnotationBorderStyleType.UNDERLINE: + container.style.borderBottomStyle = 'solid'; + break; + default: + break; + } + if (data.color) { + container.style.borderColor = Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0); + } else { + container.style.borderWidth = 0; + } + } + container.style.left = rect[0] + 'px'; + container.style.top = rect[1] + 'px'; + container.style.width = width + 'px'; + container.style.height = height + 'px'; + return container; + }, + _createPopup: function AnnotationElement_createPopup(container, trigger, data) { + if (!trigger) { + trigger = document.createElement('div'); + trigger.style.height = container.style.height; + trigger.style.width = container.style.width; + container.appendChild(trigger); + } + var popupElement = new PopupElement({ + container: container, + trigger: trigger, + color: data.color, + title: data.title, + contents: data.contents, + hideWrapper: true + }); + var popup = popupElement.render(); + popup.style.left = container.style.width; + container.appendChild(popup); + }, + render: function AnnotationElement_render() { + throw new Error('Abstract method AnnotationElement.render called'); + } + }; + return AnnotationElement; + }(); + var LinkAnnotationElement = function LinkAnnotationElementClosure() { + function LinkAnnotationElement(parameters) { + AnnotationElement.call(this, parameters, true); + } + Util.inherit(LinkAnnotationElement, AnnotationElement, { + render: function LinkAnnotationElement_render() { + this.container.className = 'linkAnnotation'; + var link = document.createElement('a'); + addLinkAttributes(link, { + url: this.data.url, + target: this.data.newWindow ? LinkTarget.BLANK : undefined + }); + if (!this.data.url) { + if (this.data.action) { + this._bindNamedAction(link, this.data.action); + } else { + this._bindLink(link, this.data.dest); + } + } + this.container.appendChild(link); + return this.container; + }, + _bindLink: function LinkAnnotationElement_bindLink(link, destination) { + var self = this; + link.href = this.linkService.getDestinationHash(destination); + link.onclick = function () { + if (destination) { + self.linkService.navigateTo(destination); + } + return false; + }; + if (destination) { + link.className = 'internalLink'; + } + }, + _bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) { + var self = this; + link.href = this.linkService.getAnchorUrl(''); + link.onclick = function () { + self.linkService.executeNamedAction(action); + return false; + }; + link.className = 'internalLink'; + } + }); + return LinkAnnotationElement; + }(); + var TextAnnotationElement = function TextAnnotationElementClosure() { + function TextAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(TextAnnotationElement, AnnotationElement, { + render: function TextAnnotationElement_render() { + this.container.className = 'textAnnotation'; + var image = document.createElement('img'); + image.style.height = this.container.style.height; + image.style.width = this.container.style.width; + image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg'; + image.alt = '[{{type}} Annotation]'; + image.dataset.l10nId = 'text_annotation_type'; + image.dataset.l10nArgs = JSON.stringify({ type: this.data.name }); + if (!this.data.hasPopup) { + this._createPopup(this.container, image, this.data); + } + this.container.appendChild(image); + return this.container; + } + }); + return TextAnnotationElement; + }(); + var WidgetAnnotationElement = function WidgetAnnotationElementClosure() { + function WidgetAnnotationElement(parameters, isRenderable) { + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(WidgetAnnotationElement, AnnotationElement, { + render: function WidgetAnnotationElement_render() { + return this.container; + } + }); + return WidgetAnnotationElement; + }(); + var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() { + var TEXT_ALIGNMENT = [ + 'left', + 'center', + 'right' + ]; + function TextWidgetAnnotationElement(parameters) { + var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue; + WidgetAnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, { + render: function TextWidgetAnnotationElement_render() { + this.container.className = 'textWidgetAnnotation'; + var element = null; + if (this.renderInteractiveForms) { + if (this.data.multiLine) { + element = document.createElement('textarea'); + element.textContent = this.data.fieldValue; + } else { + element = document.createElement('input'); + element.type = 'text'; + element.setAttribute('value', this.data.fieldValue); + } + element.disabled = this.data.readOnly; + if (this.data.maxLen !== null) { + element.maxLength = this.data.maxLen; + } + if (this.data.comb) { + var fieldWidth = this.data.rect[2] - this.data.rect[0]; + var combWidth = fieldWidth / this.data.maxLen; + element.classList.add('comb'); + element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)'; + } + } else { + element = document.createElement('div'); + element.textContent = this.data.fieldValue; + element.style.verticalAlign = 'middle'; + element.style.display = 'table-cell'; + var font = null; + if (this.data.fontRefName) { + font = this.page.commonObjs.getData(this.data.fontRefName); + } + this._setTextStyle(element, font); + } + if (this.data.textAlignment !== null) { + element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment]; + } + this.container.appendChild(element); + return this.container; + }, + _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) { + var style = element.style; + style.fontSize = this.data.fontSize + 'px'; + style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr'; + if (!font) { + return; + } + style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal'; + style.fontStyle = font.italic ? 'italic' : 'normal'; + var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : ''; + var fallbackName = font.fallbackName || 'Helvetica, sans-serif'; + style.fontFamily = fontFamily + fallbackName; + } + }); + return TextWidgetAnnotationElement; + }(); + var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() { + function CheckboxWidgetAnnotationElement(parameters) { + WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms); + } + Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, { + render: function CheckboxWidgetAnnotationElement_render() { + this.container.className = 'buttonWidgetAnnotation checkBox'; + var element = document.createElement('input'); + element.disabled = this.data.readOnly; + element.type = 'checkbox'; + if (this.data.fieldValue && this.data.fieldValue !== 'Off') { + element.setAttribute('checked', true); + } + this.container.appendChild(element); + return this.container; + } + }); + return CheckboxWidgetAnnotationElement; + }(); + var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() { + function RadioButtonWidgetAnnotationElement(parameters) { + WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms); + } + Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, { + render: function RadioButtonWidgetAnnotationElement_render() { + this.container.className = 'buttonWidgetAnnotation radioButton'; + var element = document.createElement('input'); + element.disabled = this.data.readOnly; + element.type = 'radio'; + element.name = this.data.fieldName; + if (this.data.fieldValue === this.data.buttonValue) { + element.setAttribute('checked', true); + } + this.container.appendChild(element); + return this.container; + } + }); + return RadioButtonWidgetAnnotationElement; + }(); + var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() { + function ChoiceWidgetAnnotationElement(parameters) { + WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms); + } + Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, { + render: function ChoiceWidgetAnnotationElement_render() { + this.container.className = 'choiceWidgetAnnotation'; + var selectElement = document.createElement('select'); + selectElement.disabled = this.data.readOnly; + if (!this.data.combo) { + selectElement.size = this.data.options.length; + if (this.data.multiSelect) { + selectElement.multiple = true; + } + } + for (var i = 0, ii = this.data.options.length; i < ii; i++) { + var option = this.data.options[i]; + var optionElement = document.createElement('option'); + optionElement.textContent = option.displayValue; + optionElement.value = option.exportValue; + if (this.data.fieldValue.indexOf(option.displayValue) >= 0) { + optionElement.setAttribute('selected', true); + } + selectElement.appendChild(optionElement); + } + this.container.appendChild(selectElement); + return this.container; + } + }); + return ChoiceWidgetAnnotationElement; + }(); + var PopupAnnotationElement = function PopupAnnotationElementClosure() { + function PopupAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(PopupAnnotationElement, AnnotationElement, { + render: function PopupAnnotationElement_render() { + this.container.className = 'popupAnnotation'; + var selector = '[data-annotation-id="' + this.data.parentId + '"]'; + var parentElement = this.layer.querySelector(selector); + if (!parentElement) { + return this.container; + } + var popup = new PopupElement({ + container: this.container, + trigger: parentElement, + color: this.data.color, + title: this.data.title, + contents: this.data.contents + }); + var parentLeft = parseFloat(parentElement.style.left); + var parentWidth = parseFloat(parentElement.style.width); + CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top); + this.container.style.left = parentLeft + parentWidth + 'px'; + this.container.appendChild(popup.render()); + return this.container; + } + }); + return PopupAnnotationElement; + }(); + var PopupElement = function PopupElementClosure() { + var BACKGROUND_ENLIGHT = 0.7; + function PopupElement(parameters) { + this.container = parameters.container; + this.trigger = parameters.trigger; + this.color = parameters.color; + this.title = parameters.title; + this.contents = parameters.contents; + this.hideWrapper = parameters.hideWrapper || false; + this.pinned = false; + } + PopupElement.prototype = { + render: function PopupElement_render() { + var wrapper = document.createElement('div'); + wrapper.className = 'popupWrapper'; + this.hideElement = this.hideWrapper ? wrapper : this.container; + this.hideElement.setAttribute('hidden', true); + var popup = document.createElement('div'); + popup.className = 'popup'; + var color = this.color; + if (color) { + var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; + var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; + var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; + popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0); + } + var contents = this._formatContents(this.contents); + var title = document.createElement('h1'); + title.textContent = this.title; + this.trigger.addEventListener('click', this._toggle.bind(this)); + this.trigger.addEventListener('mouseover', this._show.bind(this, false)); + this.trigger.addEventListener('mouseout', this._hide.bind(this, false)); + popup.addEventListener('click', this._hide.bind(this, true)); + popup.appendChild(title); + popup.appendChild(contents); + wrapper.appendChild(popup); + return wrapper; + }, + _formatContents: function PopupElement_formatContents(contents) { + var p = document.createElement('p'); + var lines = contents.split(/(?:\r\n?|\n)/); + for (var i = 0, ii = lines.length; i < ii; ++i) { + var line = lines[i]; + p.appendChild(document.createTextNode(line)); + if (i < ii - 1) { + p.appendChild(document.createElement('br')); + } + } + return p; + }, + _toggle: function PopupElement_toggle() { + if (this.pinned) { + this._hide(true); + } else { + this._show(true); + } + }, + _show: function PopupElement_show(pin) { + if (pin) { + this.pinned = true; + } + if (this.hideElement.hasAttribute('hidden')) { + this.hideElement.removeAttribute('hidden'); + this.container.style.zIndex += 1; + } + }, + _hide: function PopupElement_hide(unpin) { + if (unpin) { + this.pinned = false; + } + if (!this.hideElement.hasAttribute('hidden') && !this.pinned) { + this.hideElement.setAttribute('hidden', true); + this.container.style.zIndex -= 1; + } + } + }; + return PopupElement; + }(); + var HighlightAnnotationElement = function HighlightAnnotationElementClosure() { + function HighlightAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(HighlightAnnotationElement, AnnotationElement, { + render: function HighlightAnnotationElement_render() { + this.container.className = 'highlightAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return HighlightAnnotationElement; + }(); + var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() { + function UnderlineAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(UnderlineAnnotationElement, AnnotationElement, { + render: function UnderlineAnnotationElement_render() { + this.container.className = 'underlineAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return UnderlineAnnotationElement; + }(); + var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() { + function SquigglyAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(SquigglyAnnotationElement, AnnotationElement, { + render: function SquigglyAnnotationElement_render() { + this.container.className = 'squigglyAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return SquigglyAnnotationElement; + }(); + var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() { + function StrikeOutAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + Util.inherit(StrikeOutAnnotationElement, AnnotationElement, { + render: function StrikeOutAnnotationElement_render() { + this.container.className = 'strikeoutAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }); + return StrikeOutAnnotationElement; + }(); + var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() { + function FileAttachmentAnnotationElement(parameters) { + AnnotationElement.call(this, parameters, true); + this.filename = getFilenameFromUrl(parameters.data.file.filename); + this.content = parameters.data.file.content; + } + Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, { + render: function FileAttachmentAnnotationElement_render() { + this.container.className = 'fileAttachmentAnnotation'; + var trigger = document.createElement('div'); + trigger.style.height = this.container.style.height; + trigger.style.width = this.container.style.width; + trigger.addEventListener('dblclick', this._download.bind(this)); + if (!this.data.hasPopup && (this.data.title || this.data.contents)) { + this._createPopup(this.container, trigger, this.data); + } + this.container.appendChild(trigger); + return this.container; + }, + _download: function FileAttachmentAnnotationElement_download() { + if (!this.downloadManager) { + warn('Download cannot be started due to unavailable download manager'); + return; + } + this.downloadManager.downloadData(this.content, this.filename, ''); + } + }); + return FileAttachmentAnnotationElement; + }(); + var AnnotationLayer = function AnnotationLayerClosure() { + return { + render: function AnnotationLayer_render(parameters) { + var annotationElementFactory = new AnnotationElementFactory(); + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + if (!data) { + continue; + } + var properties = { + data: data, + layer: parameters.div, + page: parameters.page, + viewport: parameters.viewport, + linkService: parameters.linkService, + downloadManager: parameters.downloadManager, + imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'), + renderInteractiveForms: parameters.renderInteractiveForms || false + }; + var element = annotationElementFactory.create(properties); + if (element.isRenderable) { + parameters.div.appendChild(element.render()); + } + } + }, + update: function AnnotationLayer_update(parameters) { + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]'); + if (element) { + CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')'); + } + } + parameters.div.removeAttribute('hidden'); + } + }; + }(); + exports.AnnotationLayer = AnnotationLayer; + })); + (function (root, factory) { + factory(root.pdfjsDisplayTextLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayDOMUtils) { + var Util = sharedUtil.Util; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var CustomStyle = displayDOMUtils.CustomStyle; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + var renderTextLayer = function renderTextLayerClosure() { + var MAX_TEXT_DIVS_TO_RENDER = 100000; + var NonWhitespaceRegexp = /\S/; + function isAllWhitespace(str) { + return !NonWhitespaceRegexp.test(str); + } + var styleBuf = [ + 'left: ', + 0, + 'px; top: ', + 0, + 'px; font-size: ', + 0, + 'px; font-family: ', + '', + ';' + ]; + function appendText(task, geom, styles) { + var textDiv = document.createElement('div'); + var textDivProperties = { + style: null, + angle: 0, + canvasWidth: 0, + isWhitespace: false, + originalTransform: null, + paddingBottom: 0, + paddingLeft: 0, + paddingRight: 0, + paddingTop: 0, + scale: 1 + }; + task._textDivs.push(textDiv); + if (isAllWhitespace(geom.str)) { + textDivProperties.isWhitespace = true; + task._textDivProperties.set(textDiv, textDivProperties); + return; + } + var tx = Util.transform(task._viewport.transform, geom.transform); + var angle = Math.atan2(tx[1], tx[0]); + var style = styles[geom.fontName]; + if (style.vertical) { + angle += Math.PI / 2; + } + var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]); + var fontAscent = fontHeight; + if (style.ascent) { + fontAscent = style.ascent * fontAscent; + } else if (style.descent) { + fontAscent = (1 + style.descent) * fontAscent; + } + var left; + var top; + if (angle === 0) { + left = tx[4]; + top = tx[5] - fontAscent; + } else { + left = tx[4] + fontAscent * Math.sin(angle); + top = tx[5] - fontAscent * Math.cos(angle); + } + styleBuf[1] = left; + styleBuf[3] = top; + styleBuf[5] = fontHeight; + styleBuf[7] = style.fontFamily; + textDivProperties.style = styleBuf.join(''); + textDiv.setAttribute('style', textDivProperties.style); + textDiv.textContent = geom.str; + if (getDefaultSetting('pdfBug')) { + textDiv.dataset.fontName = geom.fontName; + } + if (angle !== 0) { + textDivProperties.angle = angle * (180 / Math.PI); + } + if (geom.str.length > 1) { + if (style.vertical) { + textDivProperties.canvasWidth = geom.height * task._viewport.scale; + } else { + textDivProperties.canvasWidth = geom.width * task._viewport.scale; + } + } + task._textDivProperties.set(textDiv, textDivProperties); + if (task._enhanceTextSelection) { + var angleCos = 1, angleSin = 0; + if (angle !== 0) { + angleCos = Math.cos(angle); + angleSin = Math.sin(angle); + } + var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale; + var divHeight = fontHeight; + var m, b; + if (angle !== 0) { + m = [ + angleCos, + angleSin, + -angleSin, + angleCos, + left, + top + ]; + b = Util.getAxialAlignedBoundingBox([ + 0, + 0, + divWidth, + divHeight + ], m); + } else { + b = [ + left, + top, + left + divWidth, + top + divHeight + ]; + } + task._bounds.push({ + left: b[0], + top: b[1], + right: b[2], + bottom: b[3], + div: textDiv, + size: [ + divWidth, + divHeight + ], + m: m + }); + } + } + function render(task) { + if (task._canceled) { + return; + } + var textLayerFrag = task._container; + var textDivs = task._textDivs; + var capability = task._capability; + var textDivsLength = textDivs.length; + if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { + task._renderingDone = true; + capability.resolve(); + return; + } + var canvas = document.createElement('canvas'); + canvas.mozOpaque = true; + var ctx = canvas.getContext('2d', { alpha: false }); + var lastFontSize; + var lastFontFamily; + for (var i = 0; i < textDivsLength; i++) { + var textDiv = textDivs[i]; + var textDivProperties = task._textDivProperties.get(textDiv); + if (textDivProperties.isWhitespace) { + continue; + } + var fontSize = textDiv.style.fontSize; + var fontFamily = textDiv.style.fontFamily; + if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) { + ctx.font = fontSize + ' ' + fontFamily; + lastFontSize = fontSize; + lastFontFamily = fontFamily; + } + var width = ctx.measureText(textDiv.textContent).width; + textLayerFrag.appendChild(textDiv); + var transform = ''; + if (textDivProperties.canvasWidth !== 0 && width > 0) { + textDivProperties.scale = textDivProperties.canvasWidth / width; + transform = 'scaleX(' + textDivProperties.scale + ')'; + } + if (textDivProperties.angle !== 0) { + transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform; + } + if (transform !== '') { + textDivProperties.originalTransform = transform; + CustomStyle.setProp('transform', textDiv, transform); + } + task._textDivProperties.set(textDiv, textDivProperties); + } + task._renderingDone = true; + capability.resolve(); + } + function expand(task) { + var bounds = task._bounds; + var viewport = task._viewport; + var expanded = expandBounds(viewport.width, viewport.height, bounds); + for (var i = 0; i < expanded.length; i++) { + var div = bounds[i].div; + var divProperties = task._textDivProperties.get(div); + if (divProperties.angle === 0) { + divProperties.paddingLeft = bounds[i].left - expanded[i].left; + divProperties.paddingTop = bounds[i].top - expanded[i].top; + divProperties.paddingRight = expanded[i].right - bounds[i].right; + divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom; + task._textDivProperties.set(div, divProperties); + continue; + } + var e = expanded[i], b = bounds[i]; + var m = b.m, c = m[0], s = m[1]; + var points = [ + [ + 0, + 0 + ], + [ + 0, + b.size[1] + ], + [ + b.size[0], + 0 + ], + b.size + ]; + var ts = new Float64Array(64); + points.forEach(function (p, i) { + var t = Util.applyTransform(p, m); + ts[i + 0] = c && (e.left - t[0]) / c; + ts[i + 4] = s && (e.top - t[1]) / s; + ts[i + 8] = c && (e.right - t[0]) / c; + ts[i + 12] = s && (e.bottom - t[1]) / s; + ts[i + 16] = s && (e.left - t[0]) / -s; + ts[i + 20] = c && (e.top - t[1]) / c; + ts[i + 24] = s && (e.right - t[0]) / -s; + ts[i + 28] = c && (e.bottom - t[1]) / c; + ts[i + 32] = c && (e.left - t[0]) / -c; + ts[i + 36] = s && (e.top - t[1]) / -s; + ts[i + 40] = c && (e.right - t[0]) / -c; + ts[i + 44] = s && (e.bottom - t[1]) / -s; + ts[i + 48] = s && (e.left - t[0]) / s; + ts[i + 52] = c && (e.top - t[1]) / -c; + ts[i + 56] = s && (e.right - t[0]) / s; + ts[i + 60] = c && (e.bottom - t[1]) / -c; + }); + var findPositiveMin = function (ts, offset, count) { + var result = 0; + for (var i = 0; i < count; i++) { + var t = ts[offset++]; + if (t > 0) { + result = result ? Math.min(t, result) : t; + } + } + return result; + }; + var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s)); + divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale; + divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale; + divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale; + divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale; + task._textDivProperties.set(div, divProperties); + } + } + function expandBounds(width, height, boxes) { + var bounds = boxes.map(function (box, i) { + return { + x1: box.left, + y1: box.top, + x2: box.right, + y2: box.bottom, + index: i, + x1New: undefined, + x2New: undefined + }; + }); + expandBoundsLTR(width, bounds); + var expanded = new Array(boxes.length); + bounds.forEach(function (b) { + var i = b.index; + expanded[i] = { + left: b.x1New, + top: 0, + right: b.x2New, + bottom: 0 + }; + }); + boxes.map(function (box, i) { + var e = expanded[i], b = bounds[i]; + b.x1 = box.top; + b.y1 = width - e.right; + b.x2 = box.bottom; + b.y2 = width - e.left; + b.index = i; + b.x1New = undefined; + b.x2New = undefined; + }); + expandBoundsLTR(height, bounds); + bounds.forEach(function (b) { + var i = b.index; + expanded[i].top = b.x1New; + expanded[i].bottom = b.x2New; + }); + return expanded; + } + function expandBoundsLTR(width, bounds) { + bounds.sort(function (a, b) { + return a.x1 - b.x1 || a.index - b.index; + }); + var fakeBoundary = { + x1: -Infinity, + y1: -Infinity, + x2: 0, + y2: Infinity, + index: -1, + x1New: 0, + x2New: 0 + }; + var horizon = [{ + start: -Infinity, + end: Infinity, + boundary: fakeBoundary + }]; + bounds.forEach(function (boundary) { + var i = 0; + while (i < horizon.length && horizon[i].end <= boundary.y1) { + i++; + } + var j = horizon.length - 1; + while (j >= 0 && horizon[j].start >= boundary.y2) { + j--; + } + var horizonPart, affectedBoundary; + var q, k, maxXNew = -Infinity; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var xNew; + if (affectedBoundary.x2 > boundary.x1) { + xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1; + } else if (affectedBoundary.x2New === undefined) { + xNew = (affectedBoundary.x2 + boundary.x1) / 2; + } else { + xNew = affectedBoundary.x2New; + } + if (xNew > maxXNew) { + maxXNew = xNew; + } + } + boundary.x1New = maxXNew; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + if (affectedBoundary.x2 > boundary.x1) { + if (affectedBoundary.index > boundary.index) { + affectedBoundary.x2New = affectedBoundary.x2; + } + } else { + affectedBoundary.x2New = maxXNew; + } + } else if (affectedBoundary.x2New > maxXNew) { + affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2); + } + } + var changedHorizon = [], lastBoundary = null; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary; + if (lastBoundary === useBoundary) { + changedHorizon[changedHorizon.length - 1].end = horizonPart.end; + } else { + changedHorizon.push({ + start: horizonPart.start, + end: horizonPart.end, + boundary: useBoundary + }); + lastBoundary = useBoundary; + } + } + if (horizon[i].start < boundary.y1) { + changedHorizon[0].start = boundary.y1; + changedHorizon.unshift({ + start: horizon[i].start, + end: boundary.y1, + boundary: horizon[i].boundary + }); + } + if (boundary.y2 < horizon[j].end) { + changedHorizon[changedHorizon.length - 1].end = boundary.y2; + changedHorizon.push({ + start: boundary.y2, + end: horizon[j].end, + boundary: horizon[j].boundary + }); + } + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New !== undefined) { + continue; + } + var used = false; + for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = 0; !used && k < changedHorizon.length; k++) { + used = changedHorizon[k].boundary === affectedBoundary; + } + if (!used) { + affectedBoundary.x2New = maxXNew; + } + } + Array.prototype.splice.apply(horizon, [ + i, + j - i + 1 + ].concat(changedHorizon)); + }); + horizon.forEach(function (horizonPart) { + var affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + affectedBoundary.x2New = Math.max(width, affectedBoundary.x2); + } + }); + } + function TextLayerRenderTask(textContent, container, viewport, textDivs, enhanceTextSelection) { + this._textContent = textContent; + this._container = container; + this._viewport = viewport; + this._textDivs = textDivs || []; + this._textDivProperties = new WeakMap(); + this._renderingDone = false; + this._canceled = false; + this._capability = createPromiseCapability(); + this._renderTimer = null; + this._bounds = []; + this._enhanceTextSelection = !!enhanceTextSelection; + } + TextLayerRenderTask.prototype = { + get promise() { + return this._capability.promise; + }, + cancel: function TextLayer_cancel() { + this._canceled = true; + if (this._renderTimer !== null) { + clearTimeout(this._renderTimer); + this._renderTimer = null; + } + this._capability.reject('canceled'); + }, + _render: function TextLayer_render(timeout) { + var textItems = this._textContent.items; + var textStyles = this._textContent.styles; + for (var i = 0, len = textItems.length; i < len; i++) { + appendText(this, textItems[i], textStyles); + } + if (!timeout) { + render(this); + } else { + var self = this; + this._renderTimer = setTimeout(function () { + render(self); + self._renderTimer = null; + }, timeout); + } + }, + expandTextDivs: function TextLayer_expandTextDivs(expandDivs) { + if (!this._enhanceTextSelection || !this._renderingDone) { + return; + } + if (this._bounds !== null) { + expand(this); + this._bounds = null; + } + for (var i = 0, ii = this._textDivs.length; i < ii; i++) { + var div = this._textDivs[i]; + var divProperties = this._textDivProperties.get(div); + if (divProperties.isWhitespace) { + continue; + } + if (expandDivs) { + var transform = '', padding = ''; + if (divProperties.scale !== 1) { + transform = 'scaleX(' + divProperties.scale + ')'; + } + if (divProperties.angle !== 0) { + transform = 'rotate(' + divProperties.angle + 'deg) ' + transform; + } + if (divProperties.paddingLeft !== 0) { + padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;'; + transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)'; + } + if (divProperties.paddingTop !== 0) { + padding += ' padding-top: ' + divProperties.paddingTop + 'px;'; + transform += ' translateY(' + -divProperties.paddingTop + 'px)'; + } + if (divProperties.paddingRight !== 0) { + padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;'; + } + if (divProperties.paddingBottom !== 0) { + padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;'; + } + if (padding !== '') { + div.setAttribute('style', divProperties.style + padding); + } + if (transform !== '') { + CustomStyle.setProp('transform', div, transform); + } + } else { + div.style.padding = 0; + CustomStyle.setProp('transform', div, divProperties.originalTransform || ''); + } + } + } + }; + function renderTextLayer(renderParameters) { + var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection); + task._render(renderParameters.timeout); + return task; + } + return renderTextLayer; + }(); + exports.renderTextLayer = renderTextLayer; + })); + (function (root, factory) { + factory(root.pdfjsDisplayWebGL = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayDOMUtils) { + var shadow = sharedUtil.shadow; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + var WebGLUtils = function WebGLUtilsClosure() { + function loadShader(gl, code, shaderType) { + var shader = gl.createShader(shaderType); + gl.shaderSource(shader, code); + gl.compileShader(shader); + var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + if (!compiled) { + var errorMsg = gl.getShaderInfoLog(shader); + throw new Error('Error during shader compilation: ' + errorMsg); + } + return shader; + } + function createVertexShader(gl, code) { + return loadShader(gl, code, gl.VERTEX_SHADER); + } + function createFragmentShader(gl, code) { + return loadShader(gl, code, gl.FRAGMENT_SHADER); + } + function createProgram(gl, shaders) { + var program = gl.createProgram(); + for (var i = 0, ii = shaders.length; i < ii; ++i) { + gl.attachShader(program, shaders[i]); + } + gl.linkProgram(program); + var linked = gl.getProgramParameter(program, gl.LINK_STATUS); + if (!linked) { + var errorMsg = gl.getProgramInfoLog(program); + throw new Error('Error during program linking: ' + errorMsg); + } + return program; + } + function createTexture(gl, image, textureId) { + gl.activeTexture(textureId); + var texture = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, texture); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); + return texture; + } + var currentGL, currentCanvas; + function generateGL() { + if (currentGL) { + return; + } + currentCanvas = document.createElement('canvas'); + currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false }); + } + var smaskVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec2 a_texCoord; \ + \ + uniform vec2 u_resolution; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_texCoord = a_texCoord; \ + } '; + var smaskFragmentShaderCode = '\ + precision mediump float; \ + \ + uniform vec4 u_backdrop; \ + uniform int u_subtype; \ + uniform sampler2D u_image; \ + uniform sampler2D u_mask; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec4 imageColor = texture2D(u_image, v_texCoord); \ + vec4 maskColor = texture2D(u_mask, v_texCoord); \ + if (u_backdrop.a > 0.0) { \ + maskColor.rgb = maskColor.rgb * maskColor.a + \ + u_backdrop.rgb * (1.0 - maskColor.a); \ + } \ + float lum; \ + if (u_subtype == 0) { \ + lum = maskColor.a; \ + } else { \ + lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ + maskColor.b * 0.11; \ + } \ + imageColor.a *= lum; \ + imageColor.rgb *= imageColor.a; \ + gl_FragColor = imageColor; \ + } '; + var smaskCache = null; + function initSmaskGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + var vertexShader = createVertexShader(gl, smaskVertexShaderCode); + var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); + var program = createProgram(gl, [ + vertexShader, + fragmentShader + ]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); + cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); + var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); + var texLayerLocation = gl.getUniformLocation(program, 'u_image'); + var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); + var texCoordBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0.0, + 0.0, + 1.0, + 0.0, + 0.0, + 1.0, + 0.0, + 1.0, + 1.0, + 0.0, + 1.0, + 1.0 + ]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(texCoordLocation); + gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); + gl.uniform1i(texLayerLocation, 0); + gl.uniform1i(texMaskLocation, 1); + smaskCache = cache; + } + function composeSMask(layer, mask, properties) { + var width = layer.width, height = layer.height; + if (!smaskCache) { + initSmaskGL(); + } + var cache = smaskCache, canvas = cache.canvas, gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + if (properties.backdrop) { + gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1); + } else { + gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + } + gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0); + var texture = createTexture(gl, layer, gl.TEXTURE0); + var maskTexture = createTexture(gl, mask, gl.TEXTURE1); + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0, + 0, + width, + 0, + 0, + height, + 0, + height, + width, + 0, + width, + height + ]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + gl.clearColor(0, 0, 0, 0); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + gl.clear(gl.COLOR_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLES, 0, 6); + gl.flush(); + gl.deleteTexture(texture); + gl.deleteTexture(maskTexture); + gl.deleteBuffer(buffer); + return canvas; + } + var figuresVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec3 a_color; \ + \ + uniform vec2 u_resolution; \ + uniform vec2 u_scale; \ + uniform vec2 u_offset; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + vec2 position = (a_position + u_offset) * u_scale; \ + vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_color = vec4(a_color / 255.0, 1.0); \ + } '; + var figuresFragmentShaderCode = '\ + precision mediump float; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + gl_FragColor = v_color; \ + } '; + var figuresCache = null; + function initFiguresGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + var vertexShader = createVertexShader(gl, figuresVertexShaderCode); + var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); + var program = createProgram(gl, [ + vertexShader, + fragmentShader + ]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); + cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.colorLocation = gl.getAttribLocation(program, 'a_color'); + figuresCache = cache; + } + function drawFigures(width, height, backgroundColor, figures, context) { + if (!figuresCache) { + initFiguresGL(); + } + var cache = figuresCache, canvas = cache.canvas, gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + var count = 0; + var i, ii, rows; + for (i = 0, ii = figures.length; i < ii; i++) { + switch (figures[i].type) { + case 'lattice': + rows = figures[i].coords.length / figures[i].verticesPerRow | 0; + count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; + break; + case 'triangles': + count += figures[i].coords.length; + break; + } + } + var coords = new Float32Array(count * 2); + var colors = new Uint8Array(count * 3); + var coordsMap = context.coords, colorsMap = context.colors; + var pIndex = 0, cIndex = 0; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + switch (figure.type) { + case 'lattice': + var cols = figure.verticesPerRow; + rows = ps.length / cols | 0; + for (var row = 1; row < rows; row++) { + var offset = row * cols + 1; + for (var col = 1; col < cols; col++, offset++) { + coords[pIndex] = coordsMap[ps[offset - cols - 1]]; + coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; + coords[pIndex + 2] = coordsMap[ps[offset - cols]]; + coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; + coords[pIndex + 4] = coordsMap[ps[offset - 1]]; + coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; + colors[cIndex] = colorsMap[cs[offset - cols - 1]]; + colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; + colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; + colors[cIndex + 3] = colorsMap[cs[offset - cols]]; + colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; + colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; + colors[cIndex + 6] = colorsMap[cs[offset - 1]]; + colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; + colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; + coords[pIndex + 6] = coords[pIndex + 2]; + coords[pIndex + 7] = coords[pIndex + 3]; + coords[pIndex + 8] = coords[pIndex + 4]; + coords[pIndex + 9] = coords[pIndex + 5]; + coords[pIndex + 10] = coordsMap[ps[offset]]; + coords[pIndex + 11] = coordsMap[ps[offset] + 1]; + colors[cIndex + 9] = colors[cIndex + 3]; + colors[cIndex + 10] = colors[cIndex + 4]; + colors[cIndex + 11] = colors[cIndex + 5]; + colors[cIndex + 12] = colors[cIndex + 6]; + colors[cIndex + 13] = colors[cIndex + 7]; + colors[cIndex + 14] = colors[cIndex + 8]; + colors[cIndex + 15] = colorsMap[cs[offset]]; + colors[cIndex + 16] = colorsMap[cs[offset] + 1]; + colors[cIndex + 17] = colorsMap[cs[offset] + 2]; + pIndex += 12; + cIndex += 18; + } + } + break; + case 'triangles': + for (var j = 0, jj = ps.length; j < jj; j++) { + coords[pIndex] = coordsMap[ps[j]]; + coords[pIndex + 1] = coordsMap[ps[j] + 1]; + colors[cIndex] = colorsMap[cs[j]]; + colors[cIndex + 1] = colorsMap[cs[j] + 1]; + colors[cIndex + 2] = colorsMap[cs[j] + 2]; + pIndex += 2; + cIndex += 3; + } + break; + } + } + if (backgroundColor) { + gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0); + } else { + gl.clearColor(0, 0, 0, 0); + } + gl.clear(gl.COLOR_BUFFER_BIT); + var coordsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + var colorsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.colorLocation); + gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0); + gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); + gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); + gl.drawArrays(gl.TRIANGLES, 0, count); + gl.flush(); + gl.deleteBuffer(coordsBuffer); + gl.deleteBuffer(colorsBuffer); + return canvas; + } + function cleanup() { + if (smaskCache && smaskCache.canvas) { + smaskCache.canvas.width = 0; + smaskCache.canvas.height = 0; + } + if (figuresCache && figuresCache.canvas) { + figuresCache.canvas.width = 0; + figuresCache.canvas.height = 0; + } + smaskCache = null; + figuresCache = null; + } + return { + get isEnabled() { + if (getDefaultSetting('disableWebGL')) { + return false; + } + var enabled = false; + try { + generateGL(); + enabled = !!currentGL; + } catch (e) { + } + return shadow(this, 'isEnabled', enabled); + }, + composeSMask: composeSMask, + drawFigures: drawFigures, + clear: cleanup + }; + }(); + exports.WebGLUtils = WebGLUtils; + })); + (function (root, factory) { + factory(root.pdfjsDisplayPatternHelper = {}, root.pdfjsSharedUtil, root.pdfjsDisplayWebGL); + }(this, function (exports, sharedUtil, displayWebGL) { + var Util = sharedUtil.Util; + var info = sharedUtil.info; + var isArray = sharedUtil.isArray; + var error = sharedUtil.error; + var WebGLUtils = displayWebGL.WebGLUtils; + var ShadingIRs = {}; + ShadingIRs.RadialAxial = { + fromIR: function RadialAxial_fromIR(raw) { + var type = raw[1]; + var colorStops = raw[2]; + var p0 = raw[3]; + var p1 = raw[4]; + var r0 = raw[5]; + var r1 = raw[6]; + return { + type: 'Pattern', + getPattern: function RadialAxial_getPattern(ctx) { + var grad; + if (type === 'axial') { + grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); + } else if (type === 'radial') { + grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + } + for (var i = 0, ii = colorStops.length; i < ii; ++i) { + var c = colorStops[i]; + grad.addColorStop(c[0], c[1]); + } + return grad; + } + }; + } + }; + var createMeshCanvas = function createMeshCanvasClosure() { + function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { + var coords = context.coords, colors = context.colors; + var bytes = data.data, rowSize = data.width * 4; + var tmp; + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; + } + if (coords[p2 + 1] > coords[p3 + 1]) { + tmp = p2; + p2 = p3; + p3 = tmp; + tmp = c2; + c2 = c3; + c3 = tmp; + } + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; + } + var x1 = (coords[p1] + context.offsetX) * context.scaleX; + var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; + var x2 = (coords[p2] + context.offsetX) * context.scaleX; + var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; + var x3 = (coords[p3] + context.offsetX) * context.scaleX; + var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; + if (y1 >= y3) { + return; + } + var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2]; + var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2]; + var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2]; + var minY = Math.round(y1), maxY = Math.round(y3); + var xa, car, cag, cab; + var xb, cbr, cbg, cbb; + var k; + for (var y = minY; y <= maxY; y++) { + if (y < y2) { + k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); + xa = x1 - (x1 - x2) * k; + car = c1r - (c1r - c2r) * k; + cag = c1g - (c1g - c2g) * k; + cab = c1b - (c1b - c2b) * k; + } else { + k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); + xa = x2 - (x2 - x3) * k; + car = c2r - (c2r - c3r) * k; + cag = c2g - (c2g - c3g) * k; + cab = c2b - (c2b - c3b) * k; + } + k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); + xb = x1 - (x1 - x3) * k; + cbr = c1r - (c1r - c3r) * k; + cbg = c1g - (c1g - c3g) * k; + cbb = c1b - (c1b - c3b) * k; + var x1_ = Math.round(Math.min(xa, xb)); + var x2_ = Math.round(Math.max(xa, xb)); + var j = rowSize * y + x1_ * 4; + for (var x = x1_; x <= x2_; x++) { + k = (xa - x) / (xa - xb); + k = k < 0 ? 0 : k > 1 ? 1 : k; + bytes[j++] = car - (car - cbr) * k | 0; + bytes[j++] = cag - (cag - cbg) * k | 0; + bytes[j++] = cab - (cab - cbb) * k | 0; + bytes[j++] = 255; + } + } + } + function drawFigure(data, figure, context) { + var ps = figure.coords; + var cs = figure.colors; + var i, ii; + switch (figure.type) { + case 'lattice': + var verticesPerRow = figure.verticesPerRow; + var rows = Math.floor(ps.length / verticesPerRow) - 1; + var cols = verticesPerRow - 1; + for (i = 0; i < rows; i++) { + var q = i * verticesPerRow; + for (var j = 0; j < cols; j++, q++) { + drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]); + drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + } + } + break; + case 'triangles': + for (i = 0, ii = ps.length; i < ii; i += 3) { + drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]); + } + break; + default: + error('illigal figure'); + break; + } + } + function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) { + var EXPECTED_SCALE = 1.1; + var MAX_PATTERN_SIZE = 3000; + var BORDER_SIZE = 2; + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var boundsWidth = Math.ceil(bounds[2]) - offsetX; + var boundsHeight = Math.ceil(bounds[3]) - offsetY; + var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var scaleX = boundsWidth / width; + var scaleY = boundsHeight / height; + var context = { + coords: coords, + colors: colors, + offsetX: -offsetX, + offsetY: -offsetY, + scaleX: 1 / scaleX, + scaleY: 1 / scaleY + }; + var paddedWidth = width + BORDER_SIZE * 2; + var paddedHeight = height + BORDER_SIZE * 2; + var canvas, tmpCanvas, i, ii; + if (WebGLUtils.isEnabled) { + canvas = WebGLUtils.drawFigures(width, height, backgroundColor, figures, context); + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); + tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } else { + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); + var tmpCtx = tmpCanvas.context; + var data = tmpCtx.createImageData(width, height); + if (backgroundColor) { + var bytes = data.data; + for (i = 0, ii = bytes.length; i < ii; i += 4) { + bytes[i] = backgroundColor[0]; + bytes[i + 1] = backgroundColor[1]; + bytes[i + 2] = backgroundColor[2]; + bytes[i + 3] = 255; + } + } + for (i = 0; i < figures.length; i++) { + drawFigure(data, figures[i], context); + } + tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } + return { + canvas: canvas, + offsetX: offsetX - BORDER_SIZE * scaleX, + offsetY: offsetY - BORDER_SIZE * scaleY, + scaleX: scaleX, + scaleY: scaleY + }; + } + return createMeshCanvas; + }(); + ShadingIRs.Mesh = { + fromIR: function Mesh_fromIR(raw) { + var coords = raw[2]; + var colors = raw[3]; + var figures = raw[4]; + var bounds = raw[5]; + var matrix = raw[6]; + var background = raw[8]; + return { + type: 'Pattern', + getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { + var scale; + if (shadingFill) { + scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + } else { + scale = Util.singularValueDecompose2dScale(owner.baseTransform); + if (matrix) { + var matrixScale = Util.singularValueDecompose2dScale(matrix); + scale = [ + scale[0] * matrixScale[0], + scale[1] * matrixScale[1] + ]; + } + } + var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases); + if (!shadingFill) { + ctx.setTransform.apply(ctx, owner.baseTransform); + if (matrix) { + ctx.transform.apply(ctx, matrix); + } + } + ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY); + ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY); + return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); + } + }; + } + }; + ShadingIRs.Dummy = { + fromIR: function Dummy_fromIR() { + return { + type: 'Pattern', + getPattern: function Dummy_fromIR_getPattern() { + return 'hotpink'; + } + }; + } + }; + function getShadingPatternFromIR(raw) { + var shadingIR = ShadingIRs[raw[0]]; + if (!shadingIR) { + error('Unknown IR type: ' + raw[0]); + } + return shadingIR.fromIR(raw); + } + var TilingPattern = function TilingPatternClosure() { + var PaintType = { + COLORED: 1, + UNCOLORED: 2 + }; + var MAX_PATTERN_SIZE = 3000; + function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { + this.operatorList = IR[2]; + this.matrix = IR[3] || [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + this.bbox = IR[4]; + this.xstep = IR[5]; + this.ystep = IR[6]; + this.paintType = IR[7]; + this.tilingType = IR[8]; + this.color = color; + this.canvasGraphicsFactory = canvasGraphicsFactory; + this.baseTransform = baseTransform; + this.type = 'Pattern'; + this.ctx = ctx; + } + TilingPattern.prototype = { + createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { + var operatorList = this.operatorList; + var bbox = this.bbox; + var xstep = this.xstep; + var ystep = this.ystep; + var paintType = this.paintType; + var tilingType = this.tilingType; + var color = this.color; + var canvasGraphicsFactory = this.canvasGraphicsFactory; + info('TilingType: ' + tilingType); + var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3]; + var topLeft = [ + x0, + y0 + ]; + var botRight = [ + x0 + xstep, + y0 + ystep + ]; + var width = botRight[0] - topLeft[0]; + var height = botRight[1] - topLeft[1]; + var matrixScale = Util.singularValueDecompose2dScale(this.matrix); + var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform); + var combinedScale = [ + matrixScale[0] * curMatrixScale[0], + matrixScale[1] * curMatrixScale[1] + ]; + width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE); + height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE); + var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true); + var tmpCtx = tmpCanvas.context; + var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); + graphics.groupLevel = owner.groupLevel; + this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color); + this.setScale(width, height, xstep, ystep); + this.transformToScale(graphics); + var tmpTranslate = [ + 1, + 0, + 0, + 1, + -topLeft[0], + -topLeft[1] + ]; + graphics.transform.apply(graphics, tmpTranslate); + this.clipBbox(graphics, bbox, x0, y0, x1, y1); + graphics.executeOperatorList(operatorList); + return tmpCanvas.canvas; + }, + setScale: function TilingPattern_setScale(width, height, xstep, ystep) { + this.scale = [ + width / xstep, + height / ystep + ]; + }, + transformToScale: function TilingPattern_transformToScale(graphics) { + var scale = this.scale; + var tmpScale = [ + scale[0], + 0, + 0, + scale[1], + 0, + 0 + ]; + graphics.transform.apply(graphics, tmpScale); + }, + scaleToContext: function TilingPattern_scaleToContext() { + var scale = this.scale; + this.ctx.scale(1 / scale[0], 1 / scale[1]); + }, + clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { + if (bbox && isArray(bbox) && bbox.length === 4) { + var bboxWidth = x1 - x0; + var bboxHeight = y1 - y0; + graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); + graphics.clip(); + graphics.endPath(); + } + }, + setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) { + switch (paintType) { + case PaintType.COLORED: + var ctx = this.ctx; + context.fillStyle = ctx.fillStyle; + context.strokeStyle = ctx.strokeStyle; + break; + case PaintType.UNCOLORED: + var cssColor = Util.makeCssRgb(color[0], color[1], color[2]); + context.fillStyle = cssColor; + context.strokeStyle = cssColor; + break; + default: + error('Unsupported paint type: ' + paintType); + } + }, + getPattern: function TilingPattern_getPattern(ctx, owner) { + var temporaryPatternCanvas = this.createPatternCanvas(owner); + ctx = this.ctx; + ctx.setTransform.apply(ctx, this.baseTransform); + ctx.transform.apply(ctx, this.matrix); + this.scaleToContext(); + return ctx.createPattern(temporaryPatternCanvas, 'repeat'); + } + }; + return TilingPattern; + }(); + exports.getShadingPatternFromIR = getShadingPatternFromIR; + exports.TilingPattern = TilingPattern; + })); + (function (root, factory) { + factory(root.pdfjsDisplayCanvas = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayPatternHelper, root.pdfjsDisplayWebGL); + }(this, function (exports, sharedUtil, displayDOMUtils, displayPatternHelper, displayWebGL) { + var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; + var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; + var ImageKind = sharedUtil.ImageKind; + var OPS = sharedUtil.OPS; + var TextRenderingMode = sharedUtil.TextRenderingMode; + var Uint32ArrayView = sharedUtil.Uint32ArrayView; + var Util = sharedUtil.Util; + var assert = sharedUtil.assert; + var info = sharedUtil.info; + var isNum = sharedUtil.isNum; + var isArray = sharedUtil.isArray; + var isLittleEndian = sharedUtil.isLittleEndian; + var error = sharedUtil.error; + var shadow = sharedUtil.shadow; + var warn = sharedUtil.warn; + var TilingPattern = displayPatternHelper.TilingPattern; + var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR; + var WebGLUtils = displayWebGL.WebGLUtils; + var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays; + var MIN_FONT_SIZE = 16; + var MAX_FONT_SIZE = 100; + var MAX_GROUP_SIZE = 4096; + var MIN_WIDTH_FACTOR = 0.65; + var COMPILE_TYPE3_GLYPHS = true; + var MAX_SIZE_TO_COMPILE = 1000; + var FULL_CHUNK_HEIGHT = 16; + var HasCanvasTypedArraysCached = { + get value() { + return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays()); + } + }; + var IsLittleEndianCached = { + get value() { + return shadow(IsLittleEndianCached, 'value', isLittleEndian()); + } + }; + function createScratchCanvas(width, height) { + var canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + return canvas; + } + function addContextCurrentTransform(ctx) { + if (!ctx.mozCurrentTransform) { + ctx._originalSave = ctx.save; + ctx._originalRestore = ctx.restore; + ctx._originalRotate = ctx.rotate; + ctx._originalScale = ctx.scale; + ctx._originalTranslate = ctx.translate; + ctx._originalTransform = ctx.transform; + ctx._originalSetTransform = ctx.setTransform; + ctx._transformMatrix = ctx._transformMatrix || [ + 1, + 0, + 0, + 1, + 0, + 0 + ]; + ctx._transformStack = []; + Object.defineProperty(ctx, 'mozCurrentTransform', { + get: function getCurrentTransform() { + return this._transformMatrix; + } + }); + Object.defineProperty(ctx, 'mozCurrentTransformInverse', { + get: function getCurrentTransformInverse() { + var m = this._transformMatrix; + var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5]; + var ad_bc = a * d - b * c; + var bc_ad = b * c - a * d; + return [ + d / ad_bc, + b / bc_ad, + c / bc_ad, + a / ad_bc, + (d * e - c * f) / bc_ad, + (b * e - a * f) / ad_bc + ]; + } + }); + ctx.save = function ctxSave() { + var old = this._transformMatrix; + this._transformStack.push(old); + this._transformMatrix = old.slice(0, 6); + this._originalSave(); + }; + ctx.restore = function ctxRestore() { + var prev = this._transformStack.pop(); + if (prev) { + this._transformMatrix = prev; + this._originalRestore(); + } + }; + ctx.translate = function ctxTranslate(x, y) { + var m = this._transformMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + this._originalTranslate(x, y); + }; + ctx.scale = function ctxScale(x, y) { + var m = this._transformMatrix; + m[0] = m[0] * x; + m[1] = m[1] * x; + m[2] = m[2] * y; + m[3] = m[3] * y; + this._originalScale(x, y); + }; + ctx.transform = function ctxTransform(a, b, c, d, e, f) { + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * a + m[2] * b, + m[1] * a + m[3] * b, + m[0] * c + m[2] * d, + m[1] * c + m[3] * d, + m[0] * e + m[2] * f + m[4], + m[1] * e + m[3] * f + m[5] + ]; + ctx._originalTransform(a, b, c, d, e, f); + }; + ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { + this._transformMatrix = [ + a, + b, + c, + d, + e, + f + ]; + ctx._originalSetTransform(a, b, c, d, e, f); + }; + ctx.rotate = function ctxRotate(angle) { + var cosValue = Math.cos(angle); + var sinValue = Math.sin(angle); + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * cosValue + m[2] * sinValue, + m[1] * cosValue + m[3] * sinValue, + m[0] * -sinValue + m[2] * cosValue, + m[1] * -sinValue + m[3] * cosValue, + m[4], + m[5] + ]; + this._originalRotate(angle); + }; + } + } + var CachedCanvases = function CachedCanvasesClosure() { + function CachedCanvases() { + this.cache = Object.create(null); + } + CachedCanvases.prototype = { + getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) { + var canvasEntry; + if (this.cache[id] !== undefined) { + canvasEntry = this.cache[id]; + canvasEntry.canvas.width = width; + canvasEntry.canvas.height = height; + canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + } else { + var canvas = createScratchCanvas(width, height); + var ctx = canvas.getContext('2d'); + if (trackTransform) { + addContextCurrentTransform(ctx); + } + this.cache[id] = canvasEntry = { + canvas: canvas, + context: ctx + }; + } + return canvasEntry; + }, + clear: function () { + for (var id in this.cache) { + var canvasEntry = this.cache[id]; + canvasEntry.canvas.width = 0; + canvasEntry.canvas.height = 0; + delete this.cache[id]; + } + } + }; + return CachedCanvases; + }(); + function compileType3Glyph(imgData) { + var POINT_TO_PROCESS_LIMIT = 1000; + var width = imgData.width, height = imgData.height; + var i, j, j0, width1 = width + 1; + var points = new Uint8Array(width1 * (height + 1)); + var POINT_TYPES = new Uint8Array([ + 0, + 2, + 4, + 0, + 1, + 0, + 5, + 4, + 8, + 10, + 0, + 8, + 0, + 2, + 1, + 0 + ]); + var lineSize = width + 7 & ~7, data0 = imgData.data; + var data = new Uint8Array(lineSize * height), pos = 0, ii; + for (i = 0, ii = data0.length; i < ii; i++) { + var mask = 128, elem = data0[i]; + while (mask > 0) { + data[pos++] = elem & mask ? 0 : 255; + mask >>= 1; + } + } + var count = 0; + pos = 0; + if (data[pos] !== 0) { + points[0] = 1; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j] = data[pos] ? 2 : 1; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j] = 2; + ++count; + } + for (i = 1; i < height; i++) { + pos = i * lineSize; + j0 = i * width1; + if (data[pos - lineSize] !== data[pos]) { + points[j0] = data[pos] ? 1 : 8; + ++count; + } + var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); + for (j = 1; j < width; j++) { + sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0); + if (POINT_TYPES[sum]) { + points[j0 + j] = POINT_TYPES[sum]; + ++count; + } + pos++; + } + if (data[pos - lineSize] !== data[pos]) { + points[j0 + j] = data[pos] ? 2 : 4; + ++count; + } + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + } + pos = lineSize * (height - 1); + j0 = i * width1; + if (data[pos] !== 0) { + points[j0] = 8; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j0 + j] = data[pos] ? 4 : 8; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j0 + j] = 4; + ++count; + } + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + var steps = new Int32Array([ + 0, + width1, + -1, + 0, + -width1, + 0, + 0, + 0, + 1 + ]); + var outlines = []; + for (i = 0; count && i <= height; i++) { + var p = i * width1; + var end = p + width; + while (p < end && !points[p]) { + p++; + } + if (p === end) { + continue; + } + var coords = [ + p % width1, + i + ]; + var type = points[p], p0 = p, pp; + do { + var step = steps[type]; + do { + p += step; + } while (!points[p]); + pp = points[p]; + if (pp !== 5 && pp !== 10) { + type = pp; + points[p] = 0; + } else { + type = pp & 0x33 * type >> 4; + points[p] &= type >> 2 | type << 2; + } + coords.push(p % width1); + coords.push(p / width1 | 0); + --count; + } while (p0 !== p); + outlines.push(coords); + --i; + } + var drawOutline = function (c) { + c.save(); + c.scale(1 / width, -1 / height); + c.translate(0, -height); + c.beginPath(); + for (var i = 0, ii = outlines.length; i < ii; i++) { + var o = outlines[i]; + c.moveTo(o[0], o[1]); + for (var j = 2, jj = o.length; j < jj; j += 2) { + c.lineTo(o[j], o[j + 1]); + } + } + c.fill(); + c.beginPath(); + c.restore(); + }; + return drawOutline; + } + var CanvasExtraState = function CanvasExtraStateClosure() { + function CanvasExtraState(old) { + this.alphaIsShape = false; + this.fontSize = 0; + this.fontSizeScale = 1; + this.textMatrix = IDENTITY_MATRIX; + this.textMatrixScale = 1; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.leading = 0; + this.x = 0; + this.y = 0; + this.lineX = 0; + this.lineY = 0; + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRenderingMode = TextRenderingMode.FILL; + this.textRise = 0; + this.fillColor = '#000000'; + this.strokeColor = '#000000'; + this.patternFill = false; + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.activeSMask = null; + this.resumeSMaskCtx = null; + this.old = old; + } + CanvasExtraState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return CanvasExtraState; + }(); + var CanvasGraphics = function CanvasGraphicsClosure() { + var EXECUTION_TIME = 15; + var EXECUTION_STEPS = 10; + function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) { + this.ctx = canvasCtx; + this.current = new CanvasExtraState(); + this.stateStack = []; + this.pendingClip = null; + this.pendingEOFill = false; + this.res = null; + this.xobjs = null; + this.commonObjs = commonObjs; + this.objs = objs; + this.imageLayer = imageLayer; + this.groupStack = []; + this.processingType3 = null; + this.baseTransform = null; + this.baseTransformStack = []; + this.groupLevel = 0; + this.smaskStack = []; + this.smaskCounter = 0; + this.tempSMask = null; + this.cachedCanvases = new CachedCanvases(); + if (canvasCtx) { + addContextCurrentTransform(canvasCtx); + } + this.cachedGetSinglePixelWidth = null; + } + function putBinaryImageData(ctx, imgData) { + if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { + ctx.putImageData(imgData, 0, 0); + return; + } + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0, destPos; + var src = imgData.data; + var dest = chunkImgData.data; + var i, j, thisChunkHeight, elemsInThisChunk; + if (imgData.kind === ImageKind.GRAYSCALE_1BPP) { + var srcLength = src.byteLength; + var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest); + var dest32DataLength = dest32.length; + var fullSrcDiff = width + 7 >> 3; + var white = 0xFFFFFFFF; + var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF; + for (i = 0; i < totalChunks; i++) { + thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + destPos = 0; + for (j = 0; j < thisChunkHeight; j++) { + var srcDiff = srcLength - srcPos; + var k = 0; + var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7; + var kEndUnrolled = kEnd & ~7; + var mask = 0; + var srcByte = 0; + for (; k < kEndUnrolled; k += 8) { + srcByte = src[srcPos++]; + dest32[destPos++] = srcByte & 128 ? white : black; + dest32[destPos++] = srcByte & 64 ? white : black; + dest32[destPos++] = srcByte & 32 ? white : black; + dest32[destPos++] = srcByte & 16 ? white : black; + dest32[destPos++] = srcByte & 8 ? white : black; + dest32[destPos++] = srcByte & 4 ? white : black; + dest32[destPos++] = srcByte & 2 ? white : black; + dest32[destPos++] = srcByte & 1 ? white : black; + } + for (; k < kEnd; k++) { + if (mask === 0) { + srcByte = src[srcPos++]; + mask = 128; + } + dest32[destPos++] = srcByte & mask ? white : black; + mask >>= 1; + } + } + while (destPos < dest32DataLength) { + dest32[destPos++] = 0; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else if (imgData.kind === ImageKind.RGBA_32BPP) { + j = 0; + elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; + for (i = 0; i < fullChunks; i++) { + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + srcPos += elemsInThisChunk; + ctx.putImageData(chunkImgData, 0, j); + j += FULL_CHUNK_HEIGHT; + } + if (i < totalChunks) { + elemsInThisChunk = width * partialChunkHeight * 4; + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + ctx.putImageData(chunkImgData, 0, j); + } + } else if (imgData.kind === ImageKind.RGB_24BPP) { + thisChunkHeight = FULL_CHUNK_HEIGHT; + elemsInThisChunk = width * thisChunkHeight; + for (i = 0; i < totalChunks; i++) { + if (i >= fullChunks) { + thisChunkHeight = partialChunkHeight; + elemsInThisChunk = width * thisChunkHeight; + } + destPos = 0; + for (j = elemsInThisChunk; j--;) { + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = 255; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else { + error('bad image kind: ' + imgData.kind); + } + } + function putBinaryImageMask(ctx, imgData) { + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0; + var src = imgData.data; + var dest = chunkImgData.data; + for (var i = 0; i < totalChunks; i++) { + var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + var destPos = 3; + for (var j = 0; j < thisChunkHeight; j++) { + var mask = 0; + for (var k = 0; k < width; k++) { + if (!mask) { + var elem = src[srcPos++]; + mask = 128; + } + dest[destPos] = elem & mask ? 0 : 255; + destPos += 4; + mask >>= 1; + } + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } + function copyCtxState(sourceCtx, destCtx) { + var properties = [ + 'strokeStyle', + 'fillStyle', + 'fillRule', + 'globalAlpha', + 'lineWidth', + 'lineCap', + 'lineJoin', + 'miterLimit', + 'globalCompositeOperation', + 'font' + ]; + for (var i = 0, ii = properties.length; i < ii; i++) { + var property = properties[i]; + if (sourceCtx[property] !== undefined) { + destCtx[property] = sourceCtx[property]; + } + } + if (sourceCtx.setLineDash !== undefined) { + destCtx.setLineDash(sourceCtx.getLineDash()); + destCtx.lineDashOffset = sourceCtx.lineDashOffset; + } + } + function composeSMaskBackdrop(bytes, r0, g0, b0) { + var length = bytes.length; + for (var i = 3; i < length; i += 4) { + var alpha = bytes[i]; + if (alpha === 0) { + bytes[i - 3] = r0; + bytes[i - 2] = g0; + bytes[i - 1] = b0; + } else if (alpha < 255) { + var alpha_ = 255 - alpha; + bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8; + bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8; + bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8; + } + } + } + function composeSMaskAlpha(maskData, layerData, transferMap) { + var length = maskData.length; + var scale = 1 / 255; + for (var i = 3; i < length; i += 4) { + var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; + layerData[i] = layerData[i] * alpha * scale | 0; + } + } + function composeSMaskLuminosity(maskData, layerData, transferMap) { + var length = maskData.length; + for (var i = 3; i < length; i += 4) { + var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28; + layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16; + } + } + function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) { + var hasBackdrop = !!backdrop; + var r0 = hasBackdrop ? backdrop[0] : 0; + var g0 = hasBackdrop ? backdrop[1] : 0; + var b0 = hasBackdrop ? backdrop[2] : 0; + var composeFn; + if (subtype === 'Luminosity') { + composeFn = composeSMaskLuminosity; + } else { + composeFn = composeSMaskAlpha; + } + var PIXELS_TO_PROCESS = 1048576; + var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); + for (var row = 0; row < height; row += chunkSize) { + var chunkHeight = Math.min(chunkSize, height - row); + var maskData = maskCtx.getImageData(0, row, width, chunkHeight); + var layerData = layerCtx.getImageData(0, row, width, chunkHeight); + if (hasBackdrop) { + composeSMaskBackdrop(maskData.data, r0, g0, b0); + } + composeFn(maskData.data, layerData.data, transferMap); + maskCtx.putImageData(layerData, 0, row); + } + } + function composeSMask(ctx, smask, layerCtx) { + var mask = smask.canvas; + var maskCtx = smask.context; + ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY); + var backdrop = smask.backdrop || null; + if (!smask.transferMap && WebGLUtils.isEnabled) { + var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, { + subtype: smask.subtype, + backdrop: backdrop + }); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.drawImage(composed, smask.offsetX, smask.offsetY); + return; + } + genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap); + ctx.drawImage(mask, 0, 0); + } + var LINE_CAP_STYLES = [ + 'butt', + 'round', + 'square' + ]; + var LINE_JOIN_STYLES = [ + 'miter', + 'round', + 'bevel' + ]; + var NORMAL_CLIP = {}; + var EO_CLIP = {}; + CanvasGraphics.prototype = { + beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, transparency) { + var width = this.ctx.canvas.width; + var height = this.ctx.canvas.height; + this.ctx.save(); + this.ctx.fillStyle = 'rgb(255, 255, 255)'; + this.ctx.fillRect(0, 0, width, height); + this.ctx.restore(); + if (transparency) { + var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true); + this.compositeCtx = this.ctx; + this.transparentCanvas = transparentCanvas.canvas; + this.ctx = transparentCanvas.context; + this.ctx.save(); + this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform); + } + this.ctx.save(); + if (transform) { + this.ctx.transform.apply(this.ctx, transform); + } + this.ctx.transform.apply(this.ctx, viewport.transform); + this.baseTransform = this.ctx.mozCurrentTransform.slice(); + if (this.imageLayer) { + this.imageLayer.beginLayout(); + } + }, + executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var i = executionStartIdx || 0; + var argsArrayLen = argsArray.length; + if (argsArrayLen === i) { + return i; + } + var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function'; + var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; + var steps = 0; + var commonObjs = this.commonObjs; + var objs = this.objs; + var fnId; + while (true) { + if (stepper !== undefined && i === stepper.nextBreakPoint) { + stepper.breakIt(i, continueCallback); + return i; + } + fnId = fnArray[i]; + if (fnId !== OPS.dependency) { + this[fnId].apply(this, argsArray[i]); + } else { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var depObjId = deps[n]; + var common = depObjId[0] === 'g' && depObjId[1] === '_'; + var objsPool = common ? commonObjs : objs; + if (!objsPool.isResolved(depObjId)) { + objsPool.get(depObjId, continueCallback); + return i; + } + } + } + i++; + if (i === argsArrayLen) { + return i; + } + if (chunkOperations && ++steps > EXECUTION_STEPS) { + if (Date.now() > endTime) { + continueCallback(); + return i; + } + steps = 0; + } + } + }, + endDrawing: function CanvasGraphics_endDrawing() { + if (this.current.activeSMask !== null) { + this.endSMaskGroup(); + } + this.ctx.restore(); + if (this.transparentCanvas) { + this.ctx = this.compositeCtx; + this.ctx.save(); + this.ctx.setTransform(1, 0, 0, 1, 0, 0); + this.ctx.drawImage(this.transparentCanvas, 0, 0); + this.ctx.restore(); + this.transparentCanvas = null; + } + this.cachedCanvases.clear(); + WebGLUtils.clear(); + if (this.imageLayer) { + this.imageLayer.endLayout(); + } + }, + setLineWidth: function CanvasGraphics_setLineWidth(width) { + this.current.lineWidth = width; + this.ctx.lineWidth = width; + }, + setLineCap: function CanvasGraphics_setLineCap(style) { + this.ctx.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function CanvasGraphics_setLineJoin(style) { + this.ctx.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { + this.ctx.miterLimit = limit; + }, + setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { + var ctx = this.ctx; + if (ctx.setLineDash !== undefined) { + ctx.setLineDash(dashArray); + ctx.lineDashOffset = dashPhase; + } + }, + setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) { + }, + setFlatness: function CanvasGraphics_setFlatness(flatness) { + }, + setGState: function CanvasGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + this.setRenderingIntent(value); + break; + case 'FL': + this.setFlatness(value); + break; + case 'Font': + this.setFont(value[0], value[1]); + break; + case 'CA': + this.current.strokeAlpha = state[1]; + break; + case 'ca': + this.current.fillAlpha = state[1]; + this.ctx.globalAlpha = state[1]; + break; + case 'BM': + if (value && value.name && value.name !== 'Normal') { + var mode = value.name.replace(/([A-Z])/g, function (c) { + return '-' + c.toLowerCase(); + }).substring(1); + this.ctx.globalCompositeOperation = mode; + if (this.ctx.globalCompositeOperation !== mode) { + warn('globalCompositeOperation "' + mode + '" is not supported'); + } + } else { + this.ctx.globalCompositeOperation = 'source-over'; + } + break; + case 'SMask': + if (this.current.activeSMask) { + if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) { + this.suspendSMaskGroup(); + } else { + this.endSMaskGroup(); + } + } + this.current.activeSMask = value ? this.tempSMask : null; + if (this.current.activeSMask) { + this.beginSMaskGroup(); + } + this.tempSMask = null; + break; + } + } + }, + beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { + var activeSMask = this.current.activeSMask; + var drawnWidth = activeSMask.canvas.width; + var drawnHeight = activeSMask.canvas.height; + var cacheId = 'smaskGroupAt' + this.groupLevel; + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var currentCtx = this.ctx; + var currentTransform = currentCtx.mozCurrentTransform; + this.ctx.save(); + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); + groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse; + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + [ + 'BM', + 'Normal' + ], + [ + 'ca', + 1 + ], + [ + 'CA', + 1 + ] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + this.ctx.save(); + copyCtxState(groupCtx, this.ctx); + this.current.resumeSMaskCtx = groupCtx; + var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + groupCtx.save(); + groupCtx.setTransform(1, 0, 0, 1, 0, 0); + groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height); + groupCtx.restore(); + }, + resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.current.resumeSMaskCtx; + var currentCtx = this.ctx; + this.ctx = groupCtx; + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + endSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + copyCtxState(groupCtx, this.ctx); + var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + }, + save: function CanvasGraphics_save() { + this.ctx.save(); + var old = this.current; + this.stateStack.push(old); + this.current = old.clone(); + this.current.resumeSMaskCtx = null; + }, + restore: function CanvasGraphics_restore() { + if (this.current.resumeSMaskCtx) { + this.resumeSMaskGroup(); + } + if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) { + this.endSMaskGroup(); + } + if (this.stateStack.length !== 0) { + this.current = this.stateStack.pop(); + this.ctx.restore(); + this.pendingClip = null; + this.cachedGetSinglePixelWidth = null; + } + }, + transform: function CanvasGraphics_transform(a, b, c, d, e, f) { + this.ctx.transform(a, b, c, d, e, f); + this.cachedGetSinglePixelWidth = null; + }, + constructPath: function CanvasGraphics_constructPath(ops, args) { + var ctx = this.ctx; + var current = this.current; + var x = current.x, y = current.y; + for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { + switch (ops[i] | 0) { + case OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + if (width === 0) { + width = this.getSinglePixelWidth(); + } + if (height === 0) { + height = this.getSinglePixelWidth(); + } + var xw = x + width; + var yh = y + height; + this.ctx.moveTo(x, y); + this.ctx.lineTo(xw, y); + this.ctx.lineTo(xw, yh); + this.ctx.lineTo(x, yh); + this.ctx.lineTo(x, y); + this.ctx.closePath(); + break; + case OPS.moveTo: + x = args[j++]; + y = args[j++]; + ctx.moveTo(x, y); + break; + case OPS.lineTo: + x = args[j++]; + y = args[j++]; + ctx.lineTo(x, y); + break; + case OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y); + j += 6; + break; + case OPS.curveTo2: + ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + case OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); + j += 4; + break; + case OPS.closePath: + ctx.closePath(); + break; + } + } + current.setCurrentPoint(x, y); + }, + closePath: function CanvasGraphics_closePath() { + this.ctx.closePath(); + }, + stroke: function CanvasGraphics_stroke(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var strokeColor = this.current.strokeColor; + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth); + ctx.globalAlpha = this.current.strokeAlpha; + if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') { + ctx.save(); + ctx.strokeStyle = strokeColor.getPattern(ctx, this); + ctx.stroke(); + ctx.restore(); + } else { + ctx.stroke(); + } + if (consumePath) { + this.consumePath(); + } + ctx.globalAlpha = this.current.fillAlpha; + }, + closeStroke: function CanvasGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + fill: function CanvasGraphics_fill(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var needRestore = false; + if (isPatternFill) { + ctx.save(); + if (this.baseTransform) { + ctx.setTransform.apply(ctx, this.baseTransform); + } + ctx.fillStyle = fillColor.getPattern(ctx, this); + needRestore = true; + } + if (this.pendingEOFill) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.fill(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.fill('evenodd'); + } + this.pendingEOFill = false; + } else { + ctx.fill(); + } + if (needRestore) { + ctx.restore(); + } + if (consumePath) { + this.consumePath(); + } + }, + eoFill: function CanvasGraphics_eoFill() { + this.pendingEOFill = true; + this.fill(); + }, + fillStroke: function CanvasGraphics_fillStroke() { + this.fill(false); + this.stroke(false); + this.consumePath(); + }, + eoFillStroke: function CanvasGraphics_eoFillStroke() { + this.pendingEOFill = true; + this.fillStroke(); + }, + closeFillStroke: function CanvasGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { + this.pendingEOFill = true; + this.closePath(); + this.fillStroke(); + }, + endPath: function CanvasGraphics_endPath() { + this.consumePath(); + }, + clip: function CanvasGraphics_clip() { + this.pendingClip = NORMAL_CLIP; + }, + eoClip: function CanvasGraphics_eoClip() { + this.pendingClip = EO_CLIP; + }, + beginText: function CanvasGraphics_beginText() { + this.current.textMatrix = IDENTITY_MATRIX; + this.current.textMatrixScale = 1; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + endText: function CanvasGraphics_endText() { + var paths = this.pendingTextPaths; + var ctx = this.ctx; + if (paths === undefined) { + ctx.beginPath(); + return; + } + ctx.save(); + ctx.beginPath(); + for (var i = 0; i < paths.length; i++) { + var path = paths[i]; + ctx.setTransform.apply(ctx, path.transform); + ctx.translate(path.x, path.y); + path.addToPath(ctx, path.fontSize); + } + ctx.restore(); + ctx.clip(); + ctx.beginPath(); + delete this.pendingTextPaths; + }, + setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { + this.current.charSpacing = spacing; + }, + setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { + this.current.wordSpacing = spacing; + }, + setHScale: function CanvasGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setLeading: function CanvasGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setFont: function CanvasGraphics_setFont(fontRefName, size) { + var fontObj = this.commonObjs.get(fontRefName); + var current = this.current; + if (!fontObj) { + error('Can\'t find font for ' + fontRefName); + } + current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX; + if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) { + warn('Invalid font matrix for font ' + fontRefName); + } + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + this.current.font = fontObj; + this.current.fontSize = size; + if (fontObj.isType3Font) { + return; + } + var name = fontObj.loadedName || 'sans-serif'; + var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal'; + var italic = fontObj.italic ? 'italic' : 'normal'; + var typeface = '"' + name + '", ' + fontObj.fallbackName; + var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size; + this.current.fontSizeScale = size / browserFontSize; + var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; + this.ctx.font = rule; + }, + setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { + this.current.textRenderingMode = mode; + }, + setTextRise: function CanvasGraphics_setTextRise(rise) { + this.current.textRise = rise; + }, + moveText: function CanvasGraphics_moveText(x, y) { + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + }, + setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { + this.current.textMatrix = [ + a, + b, + c, + d, + e, + f + ]; + this.current.textMatrixScale = Math.sqrt(a * a + b * b); + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + nextLine: function CanvasGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + paintChar: function CanvasGraphics_paintChar(character, x, y) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var textRenderingMode = current.textRenderingMode; + var fontSize = current.fontSize / current.fontSizeScale; + var fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK; + var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG); + var addToPath; + if (font.disableFontFace || isAddToPathSet) { + addToPath = font.getPathGenerator(this.commonObjs, character); + } + if (font.disableFontFace) { + ctx.save(); + ctx.translate(x, y); + ctx.beginPath(); + addToPath(ctx, fontSize); + if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fill(); + } + if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.stroke(); + } + ctx.restore(); + } else { + if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fillText(character, x, y); + } + if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.strokeText(character, x, y); + } + } + if (isAddToPathSet) { + var paths = this.pendingTextPaths || (this.pendingTextPaths = []); + paths.push({ + transform: ctx.mozCurrentTransform, + x: x, + y: y, + fontSize: fontSize, + addToPath: addToPath + }); + } + }, + get isFontSubpixelAAEnabled() { + var ctx = document.createElement('canvas').getContext('2d'); + ctx.scale(1.5, 1); + ctx.fillText('I', 0, 10); + var data = ctx.getImageData(0, 0, 10, 10).data; + var enabled = false; + for (var i = 3; i < data.length; i += 4) { + if (data[i] > 0 && data[i] < 255) { + enabled = true; + break; + } + } + return shadow(this, 'isFontSubpixelAAEnabled', enabled); + }, + showText: function CanvasGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + if (font.isType3Font) { + return this.showType3Text(glyphs); + } + var fontSize = current.fontSize; + if (fontSize === 0) { + return; + } + var ctx = this.ctx; + var fontSizeScale = current.fontSizeScale; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var spacingDir = vertical ? 1 : -1; + var defaultVMetrics = font.defaultVMetrics; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace; + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y + current.textRise); + if (current.patternFill) { + ctx.fillStyle = current.fillColor.getPattern(ctx, this); + } + if (fontDirection > 0) { + ctx.scale(textHScale, -1); + } else { + ctx.scale(textHScale, 1); + } + var lineWidth = current.lineWidth; + var scale = current.textMatrixScale; + if (scale === 0 || lineWidth === 0) { + var fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) { + this.cachedGetSinglePixelWidth = null; + lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; + } + } else { + lineWidth /= scale; + } + if (fontSizeScale !== 1.0) { + ctx.scale(fontSizeScale, fontSizeScale); + lineWidth /= fontSizeScale; + } + ctx.lineWidth = lineWidth; + var x = 0, i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (isNum(glyph)) { + x += spacingDir * glyph * fontSize / 1000; + continue; + } + var restoreNeeded = false; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var character = glyph.fontChar; + var accent = glyph.accent; + var scaledX, scaledY, scaledAccentX, scaledAccentY; + var width = glyph.width; + if (vertical) { + var vmetric, vx, vy; + vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + vy = vmetric[2] * widthAdvanceScale; + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; + } + if (font.remeasure && width > 0) { + var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale; + if (width < measuredWidth && this.isFontSubpixelAAEnabled) { + var characterScaleX = width / measuredWidth; + restoreNeeded = true; + ctx.save(); + ctx.scale(characterScaleX, 1); + scaledX /= characterScaleX; + } else if (width !== measuredWidth) { + scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale; + } + } + if (glyph.isInFont || font.missingFile) { + if (simpleFillText && !accent) { + ctx.fillText(character, scaledX, scaledY); + } else { + this.paintChar(character, scaledX, scaledY); + if (accent) { + scaledAccentX = scaledX + accent.offset.x / fontSizeScale; + scaledAccentY = scaledY - accent.offset.y / fontSizeScale; + this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY); + } + } + } + var charWidth = width * widthAdvanceScale + spacing * fontDirection; + x += charWidth; + if (restoreNeeded) { + ctx.restore(); + } + } + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + ctx.restore(); + }, + showType3Text: function CanvasGraphics_showType3Text(glyphs) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + var fontDirection = current.fontDirection; + var spacingDir = font.vertical ? 1 : -1; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var textHScale = current.textHScale * fontDirection; + var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX; + var glyphsLength = glyphs.length; + var isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE; + var i, glyph, width, spacingLength; + if (isTextInvisible || fontSize === 0) { + return; + } + this.cachedGetSinglePixelWidth = null; + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y); + ctx.scale(textHScale, fontDirection); + for (i = 0; i < glyphsLength; ++i) { + glyph = glyphs[i]; + if (isNum(glyph)) { + spacingLength = spacingDir * glyph * fontSize / 1000; + this.ctx.translate(spacingLength, 0); + current.x += spacingLength * textHScale; + continue; + } + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var operatorList = font.charProcOperatorList[glyph.operatorListId]; + if (!operatorList) { + warn('Type3 character \"' + glyph.operatorListId + '\" is not available'); + continue; + } + this.processingType3 = glyph; + this.save(); + ctx.scale(fontSize, fontSize); + ctx.transform.apply(ctx, fontMatrix); + this.executeOperatorList(operatorList); + this.restore(); + var transformed = Util.applyTransform([ + glyph.width, + 0 + ], fontMatrix); + width = transformed[0] * fontSize + spacing; + ctx.translate(width, 0); + current.x += width * textHScale; + } + ctx.restore(); + this.processingType3 = null; + }, + setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) { + }, + setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) { + this.ctx.rect(llx, lly, urx - llx, ury - lly); + this.clip(); + this.endPath(); + }, + getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { + var pattern; + if (IR[0] === 'TilingPattern') { + var color = IR[1]; + var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice(); + var self = this; + var canvasGraphicsFactory = { + createCanvasGraphics: function (ctx) { + return new CanvasGraphics(ctx, self.commonObjs, self.objs); + } + }; + pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform); + } else { + pattern = getShadingPatternFromIR(IR); + } + return pattern; + }, + setStrokeColorN: function CanvasGraphics_setStrokeColorN() + { + this.current.strokeColor = this.getColorN_Pattern(arguments); + }, + setFillColorN: function CanvasGraphics_setFillColorN() + { + this.current.fillColor = this.getColorN_Pattern(arguments); + this.current.patternFill = true; + }, + setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.strokeStyle = color; + this.current.strokeColor = color; + }, + setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.fillStyle = color; + this.current.fillColor = color; + this.current.patternFill = false; + }, + shadingFill: function CanvasGraphics_shadingFill(patternIR) { + var ctx = this.ctx; + this.save(); + var pattern = getShadingPatternFromIR(patternIR); + ctx.fillStyle = pattern.getPattern(ctx, this, true); + var inv = ctx.mozCurrentTransformInverse; + if (inv) { + var canvas = ctx.canvas; + var width = canvas.width; + var height = canvas.height; + var bl = Util.applyTransform([ + 0, + 0 + ], inv); + var br = Util.applyTransform([ + 0, + height + ], inv); + var ul = Util.applyTransform([ + width, + 0 + ], inv); + var ur = Util.applyTransform([ + width, + height + ], inv); + var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); + } else { + this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + this.restore(); + }, + beginInlineImage: function CanvasGraphics_beginInlineImage() { + error('Should not call beginInlineImage'); + }, + beginImageData: function CanvasGraphics_beginImageData() { + error('Should not call beginImageData'); + }, + paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) { + this.save(); + this.baseTransformStack.push(this.baseTransform); + if (isArray(matrix) && matrix.length === 6) { + this.transform.apply(this, matrix); + } + this.baseTransform = this.ctx.mozCurrentTransform; + if (isArray(bbox) && bbox.length === 4) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + this.ctx.rect(bbox[0], bbox[1], width, height); + this.clip(); + this.endPath(); + } + }, + paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { + this.restore(); + this.baseTransform = this.baseTransformStack.pop(); + }, + beginGroup: function CanvasGraphics_beginGroup(group) { + this.save(); + var currentCtx = this.ctx; + if (!group.isolated) { + info('TODO: Support non-isolated groups.'); + } + if (group.knockout) { + warn('Knockout groups not supported.'); + } + var currentTransform = currentCtx.mozCurrentTransform; + if (group.matrix) { + currentCtx.transform.apply(currentCtx, group.matrix); + } + assert(group.bbox, 'Bounding box is required.'); + var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform); + var canvasBounds = [ + 0, + 0, + currentCtx.canvas.width, + currentCtx.canvas.height + ]; + bounds = Util.intersect(bounds, canvasBounds) || [ + 0, + 0, + 0, + 0 + ]; + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); + var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); + var scaleX = 1, scaleY = 1; + if (drawnWidth > MAX_GROUP_SIZE) { + scaleX = drawnWidth / MAX_GROUP_SIZE; + drawnWidth = MAX_GROUP_SIZE; + } + if (drawnHeight > MAX_GROUP_SIZE) { + scaleY = drawnHeight / MAX_GROUP_SIZE; + drawnHeight = MAX_GROUP_SIZE; + } + var cacheId = 'groupAt' + this.groupLevel; + if (group.smask) { + cacheId += '_smask_' + this.smaskCounter++ % 2; + } + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / scaleX, 1 / scaleY); + groupCtx.translate(-offsetX, -offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + if (group.smask) { + this.smaskStack.push({ + canvas: scratchCanvas.canvas, + context: groupCtx, + offsetX: offsetX, + offsetY: offsetY, + scaleX: scaleX, + scaleY: scaleY, + subtype: group.smask.subtype, + backdrop: group.smask.backdrop, + transferMap: group.smask.transferMap || null, + startTransformInverse: null + }); + } else + { + currentCtx.setTransform(1, 0, 0, 1, 0, 0); + currentCtx.translate(offsetX, offsetY); + currentCtx.scale(scaleX, scaleY); + } + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + [ + 'BM', + 'Normal' + ], + [ + 'ca', + 1 + ], + [ + 'CA', + 1 + ] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + this.current.activeSMask = null; + }, + endGroup: function CanvasGraphics_endGroup(group) { + this.groupLevel--; + var groupCtx = this.ctx; + this.ctx = this.groupStack.pop(); + if (this.ctx.imageSmoothingEnabled !== undefined) { + this.ctx.imageSmoothingEnabled = false; + } else { + this.ctx.mozImageSmoothingEnabled = false; + } + if (group.smask) { + this.tempSMask = this.smaskStack.pop(); + } else { + this.ctx.drawImage(groupCtx.canvas, 0, 0); + } + this.restore(); + }, + beginAnnotations: function CanvasGraphics_beginAnnotations() { + this.save(); + this.current = new CanvasExtraState(); + if (this.baseTransform) { + this.ctx.setTransform.apply(this.ctx, this.baseTransform); + } + }, + endAnnotations: function CanvasGraphics_endAnnotations() { + this.restore(); + }, + beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) { + this.save(); + if (isArray(rect) && rect.length === 4) { + var width = rect[2] - rect[0]; + var height = rect[3] - rect[1]; + this.ctx.rect(rect[0], rect[1], width, height); + this.clip(); + this.endPath(); + } + this.transform.apply(this, transform); + this.transform.apply(this, matrix); + }, + endAnnotation: function CanvasGraphics_endAnnotation() { + this.restore(); + }, + paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { + var domImage = this.objs.get(objId); + if (!domImage) { + warn('Dependent image isn\'t ready yet'); + return; + } + this.save(); + var ctx = this.ctx; + ctx.scale(1 / w, -1 / h); + ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h); + if (this.imageLayer) { + var currentTransform = ctx.mozCurrentTransformInverse; + var position = this.getCanvasPosition(0, 0); + this.imageLayer.appendImage({ + objId: objId, + left: position[0], + top: position[1], + width: w / currentTransform[0], + height: h / currentTransform[3] + }); + } + this.restore(); + }, + paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { + var ctx = this.ctx; + var width = img.width, height = img.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var glyph = this.processingType3; + if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { + if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { + glyph.compiled = compileType3Glyph({ + data: img.data, + width: width, + height: height + }); + } else { + glyph.compiled = null; + } + } + if (glyph && glyph.compiled) { + glyph.compiled(ctx); + return; + } + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, img); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + this.paintInlineImageXObject(maskCanvas.canvas); + }, + paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) { + var width = imgData.width; + var height = imgData.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, imgData); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + var ctx = this.ctx; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + ctx.save(); + ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); + } + }, + paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) { + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + for (var i = 0, ii = images.length; i < ii; i++) { + var image = images[i]; + var width = image.width, height = image.height; + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, image); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + ctx.save(); + ctx.transform.apply(ctx, image.transform); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); + } + }, + paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + this.paintInlineImageXObject(imgData); + }, + paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + var width = imgData.width; + var height = imgData.height; + var map = []; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + map.push({ + transform: [ + scaleX, + 0, + 0, + scaleY, + positions[i], + positions[i + 1] + ], + x: 0, + y: 0, + w: width, + h: height + }); + } + this.paintInlineImageXObjectGroup(imgData, map); + }, + paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) { + var width = imgData.width; + var height = imgData.height; + var ctx = this.ctx; + this.save(); + ctx.scale(1 / width, -1 / height); + var currentTransform = ctx.mozCurrentTransformInverse; + var a = currentTransform[0], b = currentTransform[1]; + var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); + var c = currentTransform[2], d = currentTransform[3]; + var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); + var imgToPaint, tmpCanvas; + if (imgData instanceof HTMLElement || !imgData.data) { + imgToPaint = imgData; + } else { + tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = tmpCanvas.canvas; + } + var paintWidth = width, paintHeight = height; + var tmpCanvasId = 'prescale1'; + while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) { + var newWidth = paintWidth, newHeight = paintHeight; + if (widthScale > 2 && paintWidth > 1) { + newWidth = Math.ceil(paintWidth / 2); + widthScale /= paintWidth / newWidth; + } + if (heightScale > 2 && paintHeight > 1) { + newHeight = Math.ceil(paintHeight / 2); + heightScale /= paintHeight / newHeight; + } + tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight); + tmpCtx = tmpCanvas.context; + tmpCtx.clearRect(0, 0, newWidth, newHeight); + tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight); + imgToPaint = tmpCanvas.canvas; + paintWidth = newWidth; + paintHeight = newHeight; + tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; + } + ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height); + if (this.imageLayer) { + var position = this.getCanvasPosition(0, -height); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: width / currentTransform[0], + height: height / currentTransform[3] + }); + } + this.restore(); + }, + paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { + var ctx = this.ctx; + var w = imgData.width; + var h = imgData.height; + var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + for (var i = 0, ii = map.length; i < ii; i++) { + var entry = map[i]; + ctx.save(); + ctx.transform.apply(ctx, entry.transform); + ctx.scale(1, -1); + ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1); + if (this.imageLayer) { + var position = this.getCanvasPosition(entry.x, entry.y); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: w, + height: h + }); + } + ctx.restore(); + } + }, + paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() { + this.ctx.fillRect(0, 0, 1, 1); + }, + paintXObject: function CanvasGraphics_paintXObject() { + warn('Unsupported \'paintXObject\' command.'); + }, + markPoint: function CanvasGraphics_markPoint(tag) { + }, + markPointProps: function CanvasGraphics_markPointProps(tag, properties) { + }, + beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) { + }, + beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) { + }, + endMarkedContent: function CanvasGraphics_endMarkedContent() { + }, + beginCompat: function CanvasGraphics_beginCompat() { + }, + endCompat: function CanvasGraphics_endCompat() { + }, + consumePath: function CanvasGraphics_consumePath() { + var ctx = this.ctx; + if (this.pendingClip) { + if (this.pendingClip === EO_CLIP) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.clip(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.clip('evenodd'); + } + } else { + ctx.clip(); + } + this.pendingClip = null; + } + ctx.beginPath(); + }, + getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) { + if (this.cachedGetSinglePixelWidth === null) { + this.ctx.save(); + var inverse = this.ctx.mozCurrentTransformInverse; + this.ctx.restore(); + this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3])); + } + return this.cachedGetSinglePixelWidth; + }, + getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { + var transform = this.ctx.mozCurrentTransform; + return [ + transform[0] * x + transform[2] * y + transform[4], + transform[1] * x + transform[3] * y + transform[5] + ]; + } + }; + for (var op in OPS) { + CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op]; + } + return CanvasGraphics; + }(); + exports.CanvasGraphics = CanvasGraphics; + exports.createScratchCanvas = createScratchCanvas; + })); + (function (root, factory) { + factory(root.pdfjsDisplayAPI = {}, root.pdfjsSharedUtil, root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, root.pdfjsDisplayMetadata, root.pdfjsDisplayDOMUtils); + }(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, displayMetadata, displayDOMUtils, amdRequire) { + var InvalidPDFException = sharedUtil.InvalidPDFException; + var MessageHandler = sharedUtil.MessageHandler; + var MissingPDFException = sharedUtil.MissingPDFException; + var PageViewport = sharedUtil.PageViewport; + var PasswordResponses = sharedUtil.PasswordResponses; + var PasswordException = sharedUtil.PasswordException; + var StatTimer = sharedUtil.StatTimer; + var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + var UnknownErrorException = sharedUtil.UnknownErrorException; + var Util = sharedUtil.Util; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var error = sharedUtil.error; + var deprecated = sharedUtil.deprecated; + var getVerbosityLevel = sharedUtil.getVerbosityLevel; + var info = sharedUtil.info; + var isInt = sharedUtil.isInt; + var isArray = sharedUtil.isArray; + var isArrayBuffer = sharedUtil.isArrayBuffer; + var isSameOrigin = sharedUtil.isSameOrigin; + var loadJpegStream = sharedUtil.loadJpegStream; + var stringToBytes = sharedUtil.stringToBytes; + var globalScope = sharedUtil.globalScope; + var warn = sharedUtil.warn; + var FontFaceObject = displayFontLoader.FontFaceObject; + var FontLoader = displayFontLoader.FontLoader; + var CanvasGraphics = displayCanvas.CanvasGraphics; + var createScratchCanvas = displayCanvas.createScratchCanvas; + var Metadata = displayMetadata.Metadata; + var getDefaultSetting = displayDOMUtils.getDefaultSetting; + var DEFAULT_RANGE_CHUNK_SIZE = 65536; + var isWorkerDisabled = false; + var workerSrc; + var isPostMessageTransfersDisabled = false; + var fakeWorkerFilesLoader = null; + var useRequireEnsure = false; + function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) { + var task = new PDFDocumentLoadingTask(); + if (arguments.length > 1) { + deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument'); + } + if (pdfDataRangeTransport) { + if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) { + pdfDataRangeTransport = Object.create(pdfDataRangeTransport); + pdfDataRangeTransport.length = src.length; + pdfDataRangeTransport.initialData = src.initialData; + if (!pdfDataRangeTransport.abort) { + pdfDataRangeTransport.abort = function () { + }; + } + } + src = Object.create(src); + src.range = pdfDataRangeTransport; + } + task.onPassword = passwordCallback || null; + task.onProgress = progressCallback || null; + var source; + if (typeof src === 'string') { + source = { url: src }; + } else if (isArrayBuffer(src)) { + source = { data: src }; + } else if (src instanceof PDFDataRangeTransport) { + source = { range: src }; + } else { + if (typeof src !== 'object') { + error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object'); + } + if (!src.url && !src.data && !src.range) { + error('Invalid parameter object: need either .data, .range or .url'); + } + source = src; + } + var params = {}; + var rangeTransport = null; + var worker = null; + for (var key in source) { + if (key === 'url' && typeof window !== 'undefined') { + params[key] = new URL(source[key], window.location).href; + continue; + } else if (key === 'range') { + rangeTransport = source[key]; + continue; + } else if (key === 'worker') { + worker = source[key]; + continue; + } else if (key === 'data' && !(source[key] instanceof Uint8Array)) { + var pdfBytes = source[key]; + if (typeof pdfBytes === 'string') { + params[key] = stringToBytes(pdfBytes); + } else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) { + params[key] = new Uint8Array(pdfBytes); + } else if (isArrayBuffer(pdfBytes)) { + params[key] = new Uint8Array(pdfBytes); + } else { + error('Invalid PDF binary data: either typed array, string or ' + 'array-like object is expected in the data property.'); + } + continue; + } + params[key] = source[key]; + } + params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; + if (!worker) { + worker = new PDFWorker(); + task._worker = worker; + } + var docId = task.docId; + worker.promise.then(function () { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + var messageHandler = new MessageHandler(docId, workerId, worker.port); + var transport = new WorkerTransport(messageHandler, task, rangeTransport); + task._transport = transport; + messageHandler.send('Ready', null); + }); + }).catch(task._capability.reject); + return task; + } + function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + if (worker.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + source.disableAutoFetch = getDefaultSetting('disableAutoFetch'); + source.disableStream = getDefaultSetting('disableStream'); + source.chunkedViewerLoading = !!pdfDataRangeTransport; + if (pdfDataRangeTransport) { + source.length = pdfDataRangeTransport.length; + source.initialData = pdfDataRangeTransport.initialData; + } + return worker.messageHandler.sendWithPromise('GetDocRequest', { + docId: docId, + source: source, + disableRange: getDefaultSetting('disableRange'), + maxImageSize: getDefaultSetting('maxImageSize'), + cMapUrl: getDefaultSetting('cMapUrl'), + cMapPacked: getDefaultSetting('cMapPacked'), + disableFontFace: getDefaultSetting('disableFontFace'), + disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'), + postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled, + docBaseUrl: source.docBaseUrl + }).then(function (workerId) { + if (worker.destroyed) { + throw new Error('Worker was destroyed'); + } + return workerId; + }); + } + var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() { + var nextDocumentId = 0; + function PDFDocumentLoadingTask() { + this._capability = createPromiseCapability(); + this._transport = null; + this._worker = null; + this.docId = 'd' + nextDocumentId++; + this.destroyed = false; + this.onPassword = null; + this.onProgress = null; + this.onUnsupportedFeature = null; + } + PDFDocumentLoadingTask.prototype = { + get promise() { + return this._capability.promise; + }, + destroy: function () { + this.destroyed = true; + var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy(); + return transportDestroyed.then(function () { + this._transport = null; + if (this._worker) { + this._worker.destroy(); + this._worker = null; + } + }.bind(this)); + }, + then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + return PDFDocumentLoadingTask; + }(); + var PDFDataRangeTransport = function pdfDataRangeTransportClosure() { + function PDFDataRangeTransport(length, initialData) { + this.length = length; + this.initialData = initialData; + this._rangeListeners = []; + this._progressListeners = []; + this._progressiveReadListeners = []; + this._readyCapability = createPromiseCapability(); + } + PDFDataRangeTransport.prototype = { + addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) { + this._rangeListeners.push(listener); + }, + addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) { + this._progressListeners.push(listener); + }, + addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) { + this._progressiveReadListeners.push(listener); + }, + onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) { + var listeners = this._rangeListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](begin, chunk); + } + }, + onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) { + this._readyCapability.promise.then(function () { + var listeners = this._progressListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](loaded); + } + }.bind(this)); + }, + onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) { + this._readyCapability.promise.then(function () { + var listeners = this._progressiveReadListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](chunk); + } + }.bind(this)); + }, + transportReady: function PDFDataRangeTransport_transportReady() { + this._readyCapability.resolve(); + }, + requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) { + throw new Error('Abstract method PDFDataRangeTransport.requestDataRange'); + }, + abort: function PDFDataRangeTransport_abort() { + } + }; + return PDFDataRangeTransport; + }(); + var PDFDocumentProxy = function PDFDocumentProxyClosure() { + function PDFDocumentProxy(pdfInfo, transport, loadingTask) { + this.pdfInfo = pdfInfo; + this.transport = transport; + this.loadingTask = loadingTask; + } + PDFDocumentProxy.prototype = { + get numPages() { + return this.pdfInfo.numPages; + }, + get fingerprint() { + return this.pdfInfo.fingerprint; + }, + getPage: function PDFDocumentProxy_getPage(pageNumber) { + return this.transport.getPage(pageNumber); + }, + getPageIndex: function PDFDocumentProxy_getPageIndex(ref) { + return this.transport.getPageIndex(ref); + }, + getDestinations: function PDFDocumentProxy_getDestinations() { + return this.transport.getDestinations(); + }, + getDestination: function PDFDocumentProxy_getDestination(id) { + return this.transport.getDestination(id); + }, + getPageLabels: function PDFDocumentProxy_getPageLabels() { + return this.transport.getPageLabels(); + }, + getAttachments: function PDFDocumentProxy_getAttachments() { + return this.transport.getAttachments(); + }, + getJavaScript: function PDFDocumentProxy_getJavaScript() { + return this.transport.getJavaScript(); + }, + getOutline: function PDFDocumentProxy_getOutline() { + return this.transport.getOutline(); + }, + getMetadata: function PDFDocumentProxy_getMetadata() { + return this.transport.getMetadata(); + }, + getData: function PDFDocumentProxy_getData() { + return this.transport.getData(); + }, + getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() { + return this.transport.downloadInfoCapability.promise; + }, + getStats: function PDFDocumentProxy_getStats() { + return this.transport.getStats(); + }, + cleanup: function PDFDocumentProxy_cleanup() { + this.transport.startCleanup(); + }, + destroy: function PDFDocumentProxy_destroy() { + return this.loadingTask.destroy(); + } + }; + return PDFDocumentProxy; + }(); + var PDFPageProxy = function PDFPageProxyClosure() { + function PDFPageProxy(pageIndex, pageInfo, transport) { + this.pageIndex = pageIndex; + this.pageInfo = pageInfo; + this.transport = transport; + this.stats = new StatTimer(); + this.stats.enabled = getDefaultSetting('enableStats'); + this.commonObjs = transport.commonObjs; + this.objs = new PDFObjects(); + this.cleanupAfterRender = false; + this.pendingCleanup = false; + this.intentStates = Object.create(null); + this.destroyed = false; + } + PDFPageProxy.prototype = { + get pageNumber() { + return this.pageIndex + 1; + }, + get rotate() { + return this.pageInfo.rotate; + }, + get ref() { + return this.pageInfo.ref; + }, + get userUnit() { + return this.pageInfo.userUnit; + }, + get view() { + return this.pageInfo.view; + }, + getViewport: function PDFPageProxy_getViewport(scale, rotate) { + if (arguments.length < 2) { + rotate = this.rotate; + } + return new PageViewport(this.view, scale, rotate, 0, 0); + }, + getAnnotations: function PDFPageProxy_getAnnotations(params) { + var intent = params && params.intent || null; + if (!this.annotationsPromise || this.annotationsIntent !== intent) { + this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent); + this.annotationsIntent = intent; + } + return this.annotationsPromise; + }, + render: function PDFPageProxy_render(params) { + var stats = this.stats; + stats.time('Overall'); + this.pendingCleanup = false; + var renderingIntent = params.intent === 'print' ? 'print' : 'display'; + var renderInteractiveForms = params.renderInteractiveForms === true ? true : false; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + if (!intentState.displayReadyCapability) { + intentState.receivingOperatorList = true; + intentState.displayReadyCapability = createPromiseCapability(); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + this.stats.time('Page Request'); + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageNumber - 1, + intent: renderingIntent, + renderInteractiveForms: renderInteractiveForms + }); + } + var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber); + internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print'; + if (!intentState.renderTasks) { + intentState.renderTasks = []; + } + intentState.renderTasks.push(internalRenderTask); + var renderTask = internalRenderTask.task; + if (params.continueCallback) { + deprecated('render is used with continueCallback parameter'); + renderTask.onContinue = params.continueCallback; + } + var self = this; + intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) { + if (self.pendingCleanup) { + complete(); + return; + } + stats.time('Rendering'); + internalRenderTask.initializeGraphics(transparency); + internalRenderTask.operatorListChanged(); + }, function pageDisplayReadPromiseError(reason) { + complete(reason); + }); + function complete(error) { + var i = intentState.renderTasks.indexOf(internalRenderTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + if (self.cleanupAfterRender) { + self.pendingCleanup = true; + } + self._tryCleanup(); + if (error) { + internalRenderTask.capability.reject(error); + } else { + internalRenderTask.capability.resolve(); + } + stats.timeEnd('Rendering'); + stats.timeEnd('Overall'); + } + return renderTask; + }, + getOperatorList: function PDFPageProxy_getOperatorList() { + function operatorListChanged() { + if (intentState.operatorList.lastChunk) { + intentState.opListReadCapability.resolve(intentState.operatorList); + var i = intentState.renderTasks.indexOf(opListTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + } + } + var renderingIntent = 'oplist'; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + var opListTask; + if (!intentState.opListReadCapability) { + opListTask = {}; + opListTask.operatorListChanged = operatorListChanged; + intentState.receivingOperatorList = true; + intentState.opListReadCapability = createPromiseCapability(); + intentState.renderTasks = []; + intentState.renderTasks.push(opListTask); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageIndex, + intent: renderingIntent + }); + } + return intentState.opListReadCapability.promise; + }, + getTextContent: function PDFPageProxy_getTextContent(params) { + return this.transport.messageHandler.sendWithPromise('GetTextContent', { + pageIndex: this.pageNumber - 1, + normalizeWhitespace: params && params.normalizeWhitespace === true ? true : false, + combineTextItems: params && params.disableCombineTextItems === true ? false : true + }); + }, + _destroy: function PDFPageProxy_destroy() { + this.destroyed = true; + this.transport.pageCache[this.pageIndex] = null; + var waitOn = []; + Object.keys(this.intentStates).forEach(function (intent) { + if (intent === 'oplist') { + return; + } + var intentState = this.intentStates[intent]; + intentState.renderTasks.forEach(function (renderTask) { + var renderCompleted = renderTask.capability.promise.catch(function () { + }); + waitOn.push(renderCompleted); + renderTask.cancel(); + }); + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + return Promise.all(waitOn); + }, + destroy: function () { + deprecated('page destroy method, use cleanup() instead'); + this.cleanup(); + }, + cleanup: function PDFPageProxy_cleanup() { + this.pendingCleanup = true; + this._tryCleanup(); + }, + _tryCleanup: function PDFPageProxy_tryCleanup() { + if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) { + var intentState = this.intentStates[intent]; + return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList; + }, this)) { + return; + } + Object.keys(this.intentStates).forEach(function (intent) { + delete this.intentStates[intent]; + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + }, + _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) { + var intentState = this.intentStates[intent]; + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.resolve(transparency); + } + }, + _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) { + var intentState = this.intentStates[intent]; + var i, ii; + for (i = 0, ii = operatorListChunk.length; i < ii; i++) { + intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); + intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]); + } + intentState.operatorList.lastChunk = operatorListChunk.lastChunk; + for (i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + if (operatorListChunk.lastChunk) { + intentState.receivingOperatorList = false; + this._tryCleanup(); + } + } + }; + return PDFPageProxy; + }(); + var PDFWorker = function PDFWorkerClosure() { + var nextFakeWorkerId = 0; + function getWorkerSrc() { + if (typeof workerSrc !== 'undefined') { + return workerSrc; + } + if (getDefaultSetting('workerSrc')) { + return getDefaultSetting('workerSrc'); + } + error('No PDFJS.workerSrc specified'); + } + var fakeWorkerFilesLoadedCapability; + function setupFakeWorkerGlobal() { + var WorkerMessageHandler; + if (fakeWorkerFilesLoadedCapability) { + return fakeWorkerFilesLoadedCapability.promise; + } + fakeWorkerFilesLoadedCapability = createPromiseCapability(); + var loader = fakeWorkerFilesLoader || function (callback) { + Util.loadScript(getWorkerSrc(), function () { + callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler); + }); + }; + loader(fakeWorkerFilesLoadedCapability.resolve); + return fakeWorkerFilesLoadedCapability.promise; + } + function FakeWorkerPort(defer) { + this._listeners = []; + this._defer = defer; + this._deferred = Promise.resolve(undefined); + } + FakeWorkerPort.prototype = { + postMessage: function (obj, transfers) { + function cloneValue(value) { + if (typeof value !== 'object' || value === null) { + return value; + } + if (cloned.has(value)) { + return cloned.get(value); + } + var result; + var buffer; + if ((buffer = value.buffer) && isArrayBuffer(buffer)) { + var transferable = transfers && transfers.indexOf(buffer) >= 0; + if (value === buffer) { + result = value; + } else if (transferable) { + result = new value.constructor(buffer, value.byteOffset, value.byteLength); + } else { + result = new value.constructor(value); + } + cloned.set(value, result); + return result; + } + result = isArray(value) ? [] : {}; + cloned.set(value, result); + for (var i in value) { + var desc, p = value; + while (!(desc = Object.getOwnPropertyDescriptor(p, i))) { + p = Object.getPrototypeOf(p); + } + if (typeof desc.value === 'undefined' || typeof desc.value === 'function') { + continue; + } + result[i] = cloneValue(desc.value); + } + return result; + } + if (!this._defer) { + this._listeners.forEach(function (listener) { + listener.call(this, { data: obj }); + }, this); + return; + } + var cloned = new WeakMap(); + var e = { data: cloneValue(obj) }; + this._deferred.then(function () { + this._listeners.forEach(function (listener) { + listener.call(this, e); + }, this); + }.bind(this)); + }, + addEventListener: function (name, listener) { + this._listeners.push(listener); + }, + removeEventListener: function (name, listener) { + var i = this._listeners.indexOf(listener); + this._listeners.splice(i, 1); + }, + terminate: function () { + this._listeners = []; + } + }; + function createCDNWrapper(url) { + var wrapper = 'importScripts(\'' + url + '\');'; + return URL.createObjectURL(new Blob([wrapper])); + } + function PDFWorker(name) { + this.name = name; + this.destroyed = false; + this._readyCapability = createPromiseCapability(); + this._port = null; + this._webWorker = null; + this._messageHandler = null; + this._initialize(); + } + PDFWorker.prototype = { + get promise() { + return this._readyCapability.promise; + }, + get port() { + return this._port; + }, + get messageHandler() { + return this._messageHandler; + }, + _initialize: function PDFWorker_initialize() { + if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') { + var workerSrc = getWorkerSrc(); + try { + var worker = new Worker(workerSrc); + var messageHandler = new MessageHandler('main', 'worker', worker); + var terminateEarly = function () { + worker.removeEventListener('error', onWorkerError); + messageHandler.destroy(); + worker.terminate(); + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + } else { + this._setupFakeWorker(); + } + }.bind(this); + var onWorkerError = function (event) { + if (!this._webWorker) { + terminateEarly(); + } + }.bind(this); + worker.addEventListener('error', onWorkerError); + messageHandler.on('test', function PDFWorker_test(data) { + worker.removeEventListener('error', onWorkerError); + if (this.destroyed) { + terminateEarly(); + return; + } + var supportTypedArray = data && data.supportTypedArray; + if (supportTypedArray) { + this._messageHandler = messageHandler; + this._port = worker; + this._webWorker = worker; + if (!data.supportTransfers) { + isPostMessageTransfersDisabled = true; + } + this._readyCapability.resolve(); + messageHandler.send('configure', { verbosity: getVerbosityLevel() }); + } else { + this._setupFakeWorker(); + messageHandler.destroy(); + worker.terminate(); + } + }.bind(this)); + messageHandler.on('console_log', function (data) { + console.log.apply(console, data); + }); + messageHandler.on('console_error', function (data) { + console.error.apply(console, data); + }); + messageHandler.on('ready', function (data) { + worker.removeEventListener('error', onWorkerError); + if (this.destroyed) { + terminateEarly(); + return; + } + try { + sendTest(); + } catch (e) { + this._setupFakeWorker(); + } + }.bind(this)); + var sendTest = function () { + var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled; + var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]); + try { + messageHandler.send('test', testObj, [testObj.buffer]); + } catch (ex) { + info('Cannot use postMessage transfers'); + testObj[0] = 0; + messageHandler.send('test', testObj); + } + }; + sendTest(); + return; + } catch (e) { + info('The worker has been disabled.'); + } + } + this._setupFakeWorker(); + }, + _setupFakeWorker: function PDFWorker_setupFakeWorker() { + if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) { + warn('Setting up fake worker.'); + isWorkerDisabled = true; + } + setupFakeWorkerGlobal().then(function (WorkerMessageHandler) { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + return; + } + var isTypedArraysPresent = Uint8Array !== Float32Array; + var port = new FakeWorkerPort(isTypedArraysPresent); + this._port = port; + var id = 'fake' + nextFakeWorkerId++; + var workerHandler = new MessageHandler(id + '_worker', id, port); + WorkerMessageHandler.setup(workerHandler, port); + var messageHandler = new MessageHandler(id, id + '_worker', port); + this._messageHandler = messageHandler; + this._readyCapability.resolve(); + }.bind(this)); + }, + destroy: function PDFWorker_destroy() { + this.destroyed = true; + if (this._webWorker) { + this._webWorker.terminate(); + this._webWorker = null; + } + this._port = null; + if (this._messageHandler) { + this._messageHandler.destroy(); + this._messageHandler = null; + } + } + }; + return PDFWorker; + }(); + var WorkerTransport = function WorkerTransportClosure() { + function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) { + this.messageHandler = messageHandler; + this.loadingTask = loadingTask; + this.pdfDataRangeTransport = pdfDataRangeTransport; + this.commonObjs = new PDFObjects(); + this.fontLoader = new FontLoader(loadingTask.docId); + this.destroyed = false; + this.destroyCapability = null; + this._passwordCapability = null; + this.pageCache = []; + this.pagePromises = []; + this.downloadInfoCapability = createPromiseCapability(); + this.setupMessageHandler(); + } + WorkerTransport.prototype = { + destroy: function WorkerTransport_destroy() { + if (this.destroyCapability) { + return this.destroyCapability.promise; + } + this.destroyed = true; + this.destroyCapability = createPromiseCapability(); + if (this._passwordCapability) { + this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback')); + } + var waitOn = []; + this.pageCache.forEach(function (page) { + if (page) { + waitOn.push(page._destroy()); + } + }); + this.pageCache = []; + this.pagePromises = []; + var self = this; + var terminated = this.messageHandler.sendWithPromise('Terminate', null); + waitOn.push(terminated); + Promise.all(waitOn).then(function () { + self.fontLoader.clear(); + if (self.pdfDataRangeTransport) { + self.pdfDataRangeTransport.abort(); + self.pdfDataRangeTransport = null; + } + if (self.messageHandler) { + self.messageHandler.destroy(); + self.messageHandler = null; + } + self.destroyCapability.resolve(); + }, this.destroyCapability.reject); + return this.destroyCapability.promise; + }, + setupMessageHandler: function WorkerTransport_setupMessageHandler() { + var messageHandler = this.messageHandler; + var loadingTask = this.loadingTask; + var pdfDataRangeTransport = this.pdfDataRangeTransport; + if (pdfDataRangeTransport) { + pdfDataRangeTransport.addRangeListener(function (begin, chunk) { + messageHandler.send('OnDataRange', { + begin: begin, + chunk: chunk + }); + }); + pdfDataRangeTransport.addProgressListener(function (loaded) { + messageHandler.send('OnDataProgress', { loaded: loaded }); + }); + pdfDataRangeTransport.addProgressiveReadListener(function (chunk) { + messageHandler.send('OnDataRange', { chunk: chunk }); + }); + messageHandler.on('RequestDataRange', function transportDataRange(data) { + pdfDataRangeTransport.requestDataRange(data.begin, data.end); + }, this); + } + messageHandler.on('GetDoc', function transportDoc(data) { + var pdfInfo = data.pdfInfo; + this.numPages = data.pdfInfo.numPages; + var loadingTask = this.loadingTask; + var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask); + this.pdfDocument = pdfDocument; + loadingTask._capability.resolve(pdfDocument); + }, this); + messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) { + this._passwordCapability = createPromiseCapability(); + if (loadingTask.onPassword) { + var updatePassword = function (password) { + this._passwordCapability.resolve({ password: password }); + }.bind(this); + loadingTask.onPassword(updatePassword, exception.code); + } else { + this._passwordCapability.reject(new PasswordException(exception.message, exception.code)); + } + return this._passwordCapability.promise; + }, this); + messageHandler.on('PasswordException', function transportPasswordException(exception) { + loadingTask._capability.reject(new PasswordException(exception.message, exception.code)); + }, this); + messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) { + this.loadingTask._capability.reject(new InvalidPDFException(exception.message)); + }, this); + messageHandler.on('MissingPDF', function transportMissingPDF(exception) { + this.loadingTask._capability.reject(new MissingPDFException(exception.message)); + }, this); + messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) { + this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status)); + }, this); + messageHandler.on('UnknownError', function transportUnknownError(exception) { + this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details)); + }, this); + messageHandler.on('DataLoaded', function transportPage(data) { + this.downloadInfoCapability.resolve(data); + }, this); + messageHandler.on('PDFManagerReady', function transportPage(data) { + if (this.pdfDataRangeTransport) { + this.pdfDataRangeTransport.transportReady(); + } + }, this); + messageHandler.on('StartRenderPage', function transportRender(data) { + if (this.destroyed) { + return; + } + var page = this.pageCache[data.pageIndex]; + page.stats.timeEnd('Page Request'); + page._startRenderPage(data.transparency, data.intent); + }, this); + messageHandler.on('RenderPageChunk', function transportRender(data) { + if (this.destroyed) { + return; + } + var page = this.pageCache[data.pageIndex]; + page._renderPageChunk(data.operatorList, data.intent); + }, this); + messageHandler.on('commonobj', function transportObj(data) { + if (this.destroyed) { + return; + } + var id = data[0]; + var type = data[1]; + if (this.commonObjs.hasData(id)) { + return; + } + switch (type) { + case 'Font': + var exportedData = data[2]; + if ('error' in exportedData) { + var exportedError = exportedData.error; + warn('Error during font loading: ' + exportedError); + this.commonObjs.resolve(id, exportedError); + break; + } + var fontRegistry = null; + if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) { + fontRegistry = { + registerFont: function (font, url) { + globalScope['FontInspector'].fontAdded(font, url); + } + }; + } + var font = new FontFaceObject(exportedData, { + isEvalSuported: getDefaultSetting('isEvalSupported'), + disableFontFace: getDefaultSetting('disableFontFace'), + fontRegistry: fontRegistry + }); + this.fontLoader.bind([font], function fontReady(fontObjs) { + this.commonObjs.resolve(id, font); + }.bind(this)); + break; + case 'FontPath': + this.commonObjs.resolve(id, data[2]); + break; + default: + error('Got unknown common object type ' + type); + } + }, this); + messageHandler.on('obj', function transportObj(data) { + if (this.destroyed) { + return; + } + var id = data[0]; + var pageIndex = data[1]; + var type = data[2]; + var pageProxy = this.pageCache[pageIndex]; + var imageData; + if (pageProxy.objs.hasData(id)) { + return; + } + switch (type) { + case 'JpegStream': + imageData = data[3]; + loadJpegStream(id, imageData, pageProxy.objs); + break; + case 'Image': + imageData = data[3]; + pageProxy.objs.resolve(id, imageData); + var MAX_IMAGE_SIZE_TO_STORE = 8000000; + if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { + pageProxy.cleanupAfterRender = true; + } + break; + default: + error('Got unknown object type ' + type); + } + }, this); + messageHandler.on('DocProgress', function transportDocProgress(data) { + if (this.destroyed) { + return; + } + var loadingTask = this.loadingTask; + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.loaded, + total: data.total + }); + } + }, this); + messageHandler.on('PageError', function transportError(data) { + if (this.destroyed) { + return; + } + var page = this.pageCache[data.pageNum - 1]; + var intentState = page.intentStates[data.intent]; + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.reject(data.error); + } else { + error(data.error); + } + if (intentState.operatorList) { + intentState.operatorList.lastChunk = true; + for (var i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + } + }, this); + messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) { + if (this.destroyed) { + return; + } + var featureId = data.featureId; + var loadingTask = this.loadingTask; + if (loadingTask.onUnsupportedFeature) { + loadingTask.onUnsupportedFeature(featureId); + } + _UnsupportedManager.notify(featureId); + }, this); + messageHandler.on('JpegDecode', function (data) { + if (this.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + var imageUrl = data[0]; + var components = data[1]; + if (components !== 3 && components !== 1) { + return Promise.reject(new Error('Only 3 components or 1 component can be returned')); + } + return new Promise(function (resolve, reject) { + var img = new Image(); + img.onload = function () { + var width = img.width; + var height = img.height; + var size = width * height; + var rgbaLength = size * 4; + var buf = new Uint8Array(size * components); + var tmpCanvas = createScratchCanvas(width, height); + var tmpCtx = tmpCanvas.getContext('2d'); + tmpCtx.drawImage(img, 0, 0); + var data = tmpCtx.getImageData(0, 0, width, height).data; + var i, j; + if (components === 3) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { + buf[j] = data[i]; + buf[j + 1] = data[i + 1]; + buf[j + 2] = data[i + 2]; + } + } else if (components === 1) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j++) { + buf[j] = data[i]; + } + } + resolve({ + data: buf, + width: width, + height: height + }); + }; + img.onerror = function () { + reject(new Error('JpegDecode failed to load image')); + }; + img.src = imageUrl; + }); + }, this); + }, + getData: function WorkerTransport_getData() { + return this.messageHandler.sendWithPromise('GetData', null); + }, + getPage: function WorkerTransport_getPage(pageNumber, capability) { + if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) { + return Promise.reject(new Error('Invalid page request')); + } + var pageIndex = pageNumber - 1; + if (pageIndex in this.pagePromises) { + return this.pagePromises[pageIndex]; + } + var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) { + if (this.destroyed) { + throw new Error('Transport destroyed'); + } + var page = new PDFPageProxy(pageIndex, pageInfo, this); + this.pageCache[pageIndex] = page; + return page; + }.bind(this)); + this.pagePromises[pageIndex] = promise; + return promise; + }, + getPageIndex: function WorkerTransport_getPageIndexByRef(ref) { + return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) { + return Promise.reject(new Error(reason)); + }); + }, + getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) { + return this.messageHandler.sendWithPromise('GetAnnotations', { + pageIndex: pageIndex, + intent: intent + }); + }, + getDestinations: function WorkerTransport_getDestinations() { + return this.messageHandler.sendWithPromise('GetDestinations', null); + }, + getDestination: function WorkerTransport_getDestination(id) { + return this.messageHandler.sendWithPromise('GetDestination', { id: id }); + }, + getPageLabels: function WorkerTransport_getPageLabels() { + return this.messageHandler.sendWithPromise('GetPageLabels', null); + }, + getAttachments: function WorkerTransport_getAttachments() { + return this.messageHandler.sendWithPromise('GetAttachments', null); + }, + getJavaScript: function WorkerTransport_getJavaScript() { + return this.messageHandler.sendWithPromise('GetJavaScript', null); + }, + getOutline: function WorkerTransport_getOutline() { + return this.messageHandler.sendWithPromise('GetOutline', null); + }, + getMetadata: function WorkerTransport_getMetadata() { + return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) { + return { + info: results[0], + metadata: results[1] ? new Metadata(results[1]) : null + }; + }); + }, + getStats: function WorkerTransport_getStats() { + return this.messageHandler.sendWithPromise('GetStats', null); + }, + startCleanup: function WorkerTransport_startCleanup() { + this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() { + for (var i = 0, ii = this.pageCache.length; i < ii; i++) { + var page = this.pageCache[i]; + if (page) { + page.cleanup(); + } + } + this.commonObjs.clear(); + this.fontLoader.clear(); + }.bind(this)); + } + }; + return WorkerTransport; + }(); + var PDFObjects = function PDFObjectsClosure() { + function PDFObjects() { + this.objs = Object.create(null); + } + PDFObjects.prototype = { + ensureObj: function PDFObjects_ensureObj(objId) { + if (this.objs[objId]) { + return this.objs[objId]; + } + var obj = { + capability: createPromiseCapability(), + data: null, + resolved: false + }; + this.objs[objId] = obj; + return obj; + }, + get: function PDFObjects_get(objId, callback) { + if (callback) { + this.ensureObj(objId).capability.promise.then(callback); + return null; + } + var obj = this.objs[objId]; + if (!obj || !obj.resolved) { + error('Requesting object that isn\'t resolved yet ' + objId); + } + return obj.data; + }, + resolve: function PDFObjects_resolve(objId, data) { + var obj = this.ensureObj(objId); + obj.resolved = true; + obj.data = data; + obj.capability.resolve(data); + }, + isResolved: function PDFObjects_isResolved(objId) { + var objs = this.objs; + if (!objs[objId]) { + return false; + } + return objs[objId].resolved; + }, + hasData: function PDFObjects_hasData(objId) { + return this.isResolved(objId); + }, + getData: function PDFObjects_getData(objId) { + var objs = this.objs; + if (!objs[objId] || !objs[objId].resolved) { + return null; + } + return objs[objId].data; + }, + clear: function PDFObjects_clear() { + this.objs = Object.create(null); + } + }; + return PDFObjects; + }(); + var RenderTask = function RenderTaskClosure() { + function RenderTask(internalRenderTask) { + this._internalRenderTask = internalRenderTask; + this.onContinue = null; + } + RenderTask.prototype = { + get promise() { + return this._internalRenderTask.capability.promise; + }, + cancel: function RenderTask_cancel() { + this._internalRenderTask.cancel(); + }, + then: function RenderTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + return RenderTask; + }(); + var InternalRenderTask = function InternalRenderTaskClosure() { + function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber) { + this.callback = callback; + this.params = params; + this.objs = objs; + this.commonObjs = commonObjs; + this.operatorListIdx = null; + this.operatorList = operatorList; + this.pageNumber = pageNumber; + this.running = false; + this.graphicsReadyCallback = null; + this.graphicsReady = false; + this.useRequestAnimationFrame = false; + this.cancelled = false; + this.capability = createPromiseCapability(); + this.task = new RenderTask(this); + this._continueBound = this._continue.bind(this); + this._scheduleNextBound = this._scheduleNext.bind(this); + this._nextBound = this._next.bind(this); + } + InternalRenderTask.prototype = { + initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) { + if (this.cancelled) { + return; + } + if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) { + this.stepper = globalScope.StepperManager.create(this.pageNumber - 1); + this.stepper.init(this.operatorList); + this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); + } + var params = this.params; + this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, params.imageLayer); + this.gfx.beginDrawing(params.transform, params.viewport, transparency); + this.operatorListIdx = 0; + this.graphicsReady = true; + if (this.graphicsReadyCallback) { + this.graphicsReadyCallback(); + } + }, + cancel: function InternalRenderTask_cancel() { + this.running = false; + this.cancelled = true; + this.callback('cancelled'); + }, + operatorListChanged: function InternalRenderTask_operatorListChanged() { + if (!this.graphicsReady) { + if (!this.graphicsReadyCallback) { + this.graphicsReadyCallback = this._continueBound; + } + return; + } + if (this.stepper) { + this.stepper.updateOperatorList(this.operatorList); + } + if (this.running) { + return; + } + this._continue(); + }, + _continue: function InternalRenderTask__continue() { + this.running = true; + if (this.cancelled) { + return; + } + if (this.task.onContinue) { + this.task.onContinue.call(this.task, this._scheduleNextBound); + } else { + this._scheduleNext(); + } + }, + _scheduleNext: function InternalRenderTask__scheduleNext() { + if (this.useRequestAnimationFrame && typeof window !== 'undefined') { + window.requestAnimationFrame(this._nextBound); + } else { + Promise.resolve(undefined).then(this._nextBound); + } + }, + _next: function InternalRenderTask__next() { + if (this.cancelled) { + return; + } + this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper); + if (this.operatorListIdx === this.operatorList.argsArray.length) { + this.running = false; + if (this.operatorList.lastChunk) { + this.gfx.endDrawing(); + this.callback(); + } + } + } + }; + return InternalRenderTask; + }(); + var _UnsupportedManager = function UnsupportedManagerClosure() { + var listeners = []; + return { + listen: function (cb) { + deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead'); + listeners.push(cb); + }, + notify: function (featureId) { + for (var i = 0, ii = listeners.length; i < ii; i++) { + listeners[i](featureId); + } + } + }; + }(); + if (typeof pdfjsVersion !== 'undefined') { + exports.version = pdfjsVersion; + } + if (typeof pdfjsBuild !== 'undefined') { + exports.build = pdfjsBuild; + } + exports.getDocument = getDocument; + exports.PDFDataRangeTransport = PDFDataRangeTransport; + exports.PDFWorker = PDFWorker; + exports.PDFDocumentProxy = PDFDocumentProxy; + exports.PDFPageProxy = PDFPageProxy; + exports._UnsupportedManager = _UnsupportedManager; + })); + (function (root, factory) { + factory(root.pdfjsDisplayGlobal = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayAPI, root.pdfjsDisplayAnnotationLayer, root.pdfjsDisplayTextLayer, root.pdfjsDisplayMetadata, root.pdfjsDisplaySVG); + }(this, function (exports, sharedUtil, displayDOMUtils, displayAPI, displayAnnotationLayer, displayTextLayer, displayMetadata, displaySVG) { + var globalScope = sharedUtil.globalScope; + var deprecated = sharedUtil.deprecated; + var warn = sharedUtil.warn; + var LinkTarget = displayDOMUtils.LinkTarget; + var isWorker = typeof window === 'undefined'; + if (!globalScope.PDFJS) { + globalScope.PDFJS = {}; + } + var PDFJS = globalScope.PDFJS; + if (typeof pdfjsVersion !== 'undefined') { + PDFJS.version = pdfjsVersion; + } + if (typeof pdfjsBuild !== 'undefined') { + PDFJS.build = pdfjsBuild; + } + PDFJS.pdfBug = false; + if (PDFJS.verbosity !== undefined) { + sharedUtil.setVerbosityLevel(PDFJS.verbosity); + } + delete PDFJS.verbosity; + Object.defineProperty(PDFJS, 'verbosity', { + get: function () { + return sharedUtil.getVerbosityLevel(); + }, + set: function (level) { + sharedUtil.setVerbosityLevel(level); + }, + enumerable: true, + configurable: true + }); + PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS; + PDFJS.OPS = sharedUtil.OPS; + PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; + PDFJS.isValidUrl = displayDOMUtils.isValidUrl; + PDFJS.shadow = sharedUtil.shadow; + PDFJS.createBlob = sharedUtil.createBlob; + PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) { + return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL); + }; + Object.defineProperty(PDFJS, 'isLittleEndian', { + configurable: true, + get: function PDFJS_isLittleEndian() { + var value = sharedUtil.isLittleEndian(); + return sharedUtil.shadow(PDFJS, 'isLittleEndian', value); + } + }); + PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters; + PDFJS.PasswordResponses = sharedUtil.PasswordResponses; + PDFJS.PasswordException = sharedUtil.PasswordException; + PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException; + PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException; + PDFJS.MissingPDFException = sharedUtil.MissingPDFException; + PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + PDFJS.Util = sharedUtil.Util; + PDFJS.PageViewport = sharedUtil.PageViewport; + PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability; + PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize; + PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl; + PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked; + PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace; + PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath; + PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker; + PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc; + PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange; + PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream; + PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch; + PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug; + PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers; + PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL; + PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL; + PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget; + PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? 'noreferrer' : PDFJS.externalLinkRel; + PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported; + PDFJS.getDocument = displayAPI.getDocument; + PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport; + PDFJS.PDFWorker = displayAPI.PDFWorker; + Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { + configurable: true, + get: function PDFJS_hasCanvasTypedArrays() { + var value = displayDOMUtils.hasCanvasTypedArrays(); + return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value); + } + }); + PDFJS.CustomStyle = displayDOMUtils.CustomStyle; + PDFJS.LinkTarget = LinkTarget; + PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes; + PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl; + PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet; + PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer; + PDFJS.renderTextLayer = displayTextLayer.renderTextLayer; + PDFJS.Metadata = displayMetadata.Metadata; + PDFJS.SVGGraphics = displaySVG.SVGGraphics; + PDFJS.UnsupportedManager = displayAPI._UnsupportedManager; + exports.globalScope = globalScope; + exports.isWorker = isWorker; + exports.PDFJS = globalScope.PDFJS; + })); + }.call(pdfjsLibs)); + exports.PDFJS = pdfjsLibs.pdfjsDisplayGlobal.PDFJS; + exports.build = pdfjsLibs.pdfjsDisplayAPI.build; + exports.version = pdfjsLibs.pdfjsDisplayAPI.version; + exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument; + exports.PDFDataRangeTransport = pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport; + exports.PDFWorker = pdfjsLibs.pdfjsDisplayAPI.PDFWorker; + exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer; + exports.AnnotationLayer = pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer; + exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle; + exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses; + exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException; + exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException; + exports.SVGGraphics = pdfjsLibs.pdfjsDisplaySVG.SVGGraphics; + exports.UnexpectedResponseException = pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException; + exports.OPS = pdfjsLibs.pdfjsSharedUtil.OPS; + exports.UNSUPPORTED_FEATURES = pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES; + exports.isValidUrl = pdfjsLibs.pdfjsDisplayDOMUtils.isValidUrl; + exports.createValidAbsoluteUrl = pdfjsLibs.pdfjsSharedUtil.createValidAbsoluteUrl; + exports.createObjectURL = pdfjsLibs.pdfjsSharedUtil.createObjectURL; + exports.removeNullCharacters = pdfjsLibs.pdfjsSharedUtil.removeNullCharacters; + exports.shadow = pdfjsLibs.pdfjsSharedUtil.shadow; + exports.createBlob = pdfjsLibs.pdfjsSharedUtil.createBlob; + exports.getFilenameFromUrl = pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl; + exports.addLinkAttributes = pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes; +}));
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