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Merge branch 'refs/heads/master' into disableworker-in-url 

Conflicts:
	web/viewer.js
Artur Adib 14 years ago
parent
8439830d4e d29e39d754
commit
8c728a884e
20 changed files with 349 additions and 279 deletions
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  1. 16
      src/canvas.js
  2. 66
      src/colorspace.js
  3. 41
      src/core.js
  4. 44
      src/crypto.js
  5. 16
      src/evaluator.js
  6. 16
      src/fonts.js
  7. 2
      src/function.js
  8. 9
      src/image.js
  9. 58
      src/obj.js
  10. 26
      src/parser.js
  11. 34
      src/pattern.js
  12. 166
      src/stream.js
  13. 14
      src/util.js
  14. 4
      src/worker.js
  15. 1
      test/pdfs/.gitignore
  16. BIN
      test/pdfs/scan-bad.pdf
  17. 8
      test/test.py
  18. 6
      test/test_manifest.json
  19. 5
      web/viewer.html
  20. 96
      web/viewer.js

16
src/canvas.js
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@ -17,8 +17,8 @@ var TextRenderingMode = {
ADD_TO_PATH: 7 ADD_TO_PATH: 7
}; };
var CanvasExtraState = (function canvasExtraState() { var CanvasExtraState = (function CanvasExtraStateClosure() {
function constructor(old) { function CanvasExtraState(old) {
// Are soft masks and alpha values shapes or opacities? // Are soft masks and alpha values shapes or opacities?
this.alphaIsShape = false; this.alphaIsShape = false;
this.fontSize = 0; this.fontSize = 0;
@ -52,7 +52,7 @@ var CanvasExtraState = (function canvasExtraState() {
this.old = old; this.old = old;
} }
constructor.prototype = { CanvasExtraState.prototype = {
clone: function canvasextra_clone() { clone: function canvasextra_clone() {
return Object.create(this); return Object.create(this);
}, },
@ -61,7 +61,7 @@ var CanvasExtraState = (function canvasExtraState() {
this.y = y; this.y = y;
} }
}; };
return constructor; return CanvasExtraState;
})(); })();
function ScratchCanvas(width, height) { function ScratchCanvas(width, height) {
@ -181,12 +181,12 @@ function addContextCurrentTransform(ctx) {
} }
} }
var CanvasGraphics = (function canvasGraphics() { var CanvasGraphics = (function CanvasGraphicsClosure() {
// Defines the time the executeIRQueue is going to be executing // Defines the time the executeIRQueue is going to be executing
// before it stops and shedules a continue of execution. // before it stops and shedules a continue of execution.
var kExecutionTime = 50; var kExecutionTime = 50;
function constructor(canvasCtx, objs, textLayer) { function CanvasGraphics(canvasCtx, objs, textLayer) {
this.ctx = canvasCtx; this.ctx = canvasCtx;
this.current = new CanvasExtraState(); this.current = new CanvasExtraState();
this.stateStack = []; this.stateStack = [];
@ -206,7 +206,7 @@ var CanvasGraphics = (function canvasGraphics() {
var NORMAL_CLIP = {}; var NORMAL_CLIP = {};
var EO_CLIP = {}; var EO_CLIP = {};
constructor.prototype = { CanvasGraphics.prototype = {
slowCommands: { slowCommands: {
'stroke': true, 'stroke': true,
'closeStroke': true, 'closeStroke': true,
@ -1180,7 +1180,7 @@ var CanvasGraphics = (function canvasGraphics() {
} }
}; };
return constructor; return CanvasGraphics;
})(); })();
if (!isWorker) { if (!isWorker) {

66
src/colorspace.js
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@ -3,13 +3,13 @@
'use strict'; 'use strict';
var ColorSpace = (function colorSpaceColorSpace() { var ColorSpace = (function ColorSpaceClosure() {
// Constructor should define this.numComps, this.defaultColor, this.name // Constructor should define this.numComps, this.defaultColor, this.name
function constructor() { function ColorSpace() {
error('should not call ColorSpace constructor'); error('should not call ColorSpace constructor');
} }
constructor.prototype = { ColorSpace.prototype = {
// Input: array of size numComps representing color component values // Input: array of size numComps representing color component values
// Output: array of rgb values, each value ranging from [0.1] // Output: array of rgb values, each value ranging from [0.1]
getRgb: function colorSpaceGetRgb(color) { getRgb: function colorSpaceGetRgb(color) {
@ -22,15 +22,15 @@ var ColorSpace = (function colorSpaceColorSpace() {
} }
}; };
constructor.parse = function colorSpaceParse(cs, xref, res) { ColorSpace.parse = function colorSpaceParse(cs, xref, res) {
var IR = constructor.parseToIR(cs, xref, res); var IR = ColorSpace.parseToIR(cs, xref, res);
if (IR instanceof AlternateCS) if (IR instanceof AlternateCS)
return IR; return IR;
return constructor.fromIR(IR); return ColorSpace.fromIR(IR);
}; };
constructor.fromIR = function colorSpaceFromIR(IR) { ColorSpace.fromIR = function colorSpaceFromIR(IR) {
var name = isArray(IR) ? IR[0] : IR; var name = isArray(IR) ? IR[0] : IR;
switch (name) { switch (name) {
@ -63,7 +63,7 @@ var ColorSpace = (function colorSpaceColorSpace() {
return null; return null;
}; };
constructor.parseToIR = function colorSpaceParseToIR(cs, xref, res) { ColorSpace.parseToIR = function colorSpaceParseToIR(cs, xref, res) {
if (isName(cs)) { if (isName(cs)) {
var colorSpaces = xref.fetchIfRef(res.get('ColorSpace')); var colorSpaces = xref.fetchIfRef(res.get('ColorSpace'));
if (isDict(colorSpaces)) { if (isDict(colorSpaces)) {
@ -155,7 +155,7 @@ var ColorSpace = (function colorSpaceColorSpace() {
return null; return null;
}; };
return constructor; return ColorSpace;
})(); })();
/** /**
@ -164,8 +164,8 @@ var ColorSpace = (function colorSpaceColorSpace() {
* Both color spaces use a tinting function to convert colors to a base color * Both color spaces use a tinting function to convert colors to a base color
* space. * space.
*/ */
var AlternateCS = (function alternateCS() { var AlternateCS = (function AlternateCSClosure() {
function constructor(numComps, base, tintFn) { function AlternateCS(numComps, base, tintFn) {
this.name = 'Alternate'; this.name = 'Alternate';
this.numComps = numComps; this.numComps = numComps;
this.defaultColor = []; this.defaultColor = [];
@ -175,7 +175,7 @@ var AlternateCS = (function alternateCS() {
this.tintFn = tintFn; this.tintFn = tintFn;
} }
constructor.prototype = { AlternateCS.prototype = {
getRgb: function altcs_getRgb(color) { getRgb: function altcs_getRgb(color) {
var tinted = this.tintFn(color); var tinted = this.tintFn(color);
return this.base.getRgb(tinted); return this.base.getRgb(tinted);
@ -203,21 +203,21 @@ var AlternateCS = (function alternateCS() {
} }
}; };
return constructor; return AlternateCS;
})(); })();
var PatternCS = (function patternCS() { var PatternCS = (function PatternCSClosure() {
function constructor(baseCS) { function PatternCS(baseCS) {
this.name = 'Pattern'; this.name = 'Pattern';
this.base = baseCS; this.base = baseCS;
} }
constructor.prototype = {}; PatternCS.prototype = {};
return constructor; return PatternCS;
})(); })();
var IndexedCS = (function indexedCS() { var IndexedCS = (function IndexedCSClosure() {
function constructor(base, highVal, lookup) { function IndexedCS(base, highVal, lookup) {
this.name = 'Indexed'; this.name = 'Indexed';
this.numComps = 1; this.numComps = 1;
this.defaultColor = [0]; this.defaultColor = [0];
@ -240,7 +240,7 @@ var IndexedCS = (function indexedCS() {
this.lookup = lookupArray; this.lookup = lookupArray;
} }
constructor.prototype = { IndexedCS.prototype = {
getRgb: function indexcs_getRgb(color) { getRgb: function indexcs_getRgb(color) {
var numComps = this.base.numComps; var numComps = this.base.numComps;
var start = color[0] * numComps; var start = color[0] * numComps;
@ -269,17 +269,17 @@ var IndexedCS = (function indexedCS() {
return base.getRgbBuffer(baseBuf, 8); return base.getRgbBuffer(baseBuf, 8);
} }
}; };
return constructor; return IndexedCS;
})(); })();
var DeviceGrayCS = (function deviceGrayCS() { var DeviceGrayCS = (function DeviceGrayCSClosure() {
function constructor() { function DeviceGrayCS() {
this.name = 'DeviceGray'; this.name = 'DeviceGray';
this.numComps = 1; this.numComps = 1;
this.defaultColor = [0]; this.defaultColor = [0];
} }
constructor.prototype = { DeviceGrayCS.prototype = {
getRgb: function graycs_getRgb(color) { getRgb: function graycs_getRgb(color) {
var c = color[0]; var c = color[0];
return [c, c, c]; return [c, c, c];
@ -297,16 +297,16 @@ var DeviceGrayCS = (function deviceGrayCS() {
return rgbBuf; return rgbBuf;
} }
}; };
return constructor; return DeviceGrayCS;
})(); })();
var DeviceRgbCS = (function deviceRgbCS() { var DeviceRgbCS = (function DeviceRgbCSClosure() {
function constructor() { function DeviceRgbCS() {
this.name = 'DeviceRGB'; this.name = 'DeviceRGB';
this.numComps = 3; this.numComps = 3;
this.defaultColor = [0, 0, 0]; this.defaultColor = [0, 0, 0];
} }
constructor.prototype = { DeviceRgbCS.prototype = {
getRgb: function rgbcs_getRgb(color) { getRgb: function rgbcs_getRgb(color) {
return color; return color;
}, },
@ -321,16 +321,16 @@ var DeviceRgbCS = (function deviceRgbCS() {
return rgbBuf; return rgbBuf;
} }
}; };
return constructor; return DeviceRgbCS;
})(); })();
var DeviceCmykCS = (function deviceCmykCS() { var DeviceCmykCS = (function DeviceCmykCSClosure() {
function constructor() { function DeviceCmykCS() {
this.name = 'DeviceCMYK'; this.name = 'DeviceCMYK';
this.numComps = 4; this.numComps = 4;
this.defaultColor = [0, 0, 0, 1]; this.defaultColor = [0, 0, 0, 1];
} }
constructor.prototype = { DeviceCmykCS.prototype = {
getRgb: function cmykcs_getRgb(color) { getRgb: function cmykcs_getRgb(color) {
var c = color[0], m = color[1], y = color[2], k = color[3]; var c = color[0], m = color[1], y = color[2], k = color[3];
var c1 = 1 - c, m1 = 1 - m, y1 = 1 - y, k1 = 1 - k; var c1 = 1 - c, m1 = 1 - m, y1 = 1 - y, k1 = 1 - k;
@ -406,6 +406,6 @@ var DeviceCmykCS = (function deviceCmykCS() {
} }
}; };
return constructor; return DeviceCmykCS;
})(); })();

41
src/core.js
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@ -56,8 +56,8 @@ function getPdf(arg, callback) {
} }
globalScope.PDFJS.getPdf = getPdf; globalScope.PDFJS.getPdf = getPdf;
var Page = (function pagePage() { var Page = (function PageClosure() {
function constructor(xref, pageNumber, pageDict, ref) { function Page(xref, pageNumber, pageDict, ref) {
this.pageNumber = pageNumber; this.pageNumber = pageNumber;
this.pageDict = pageDict; this.pageDict = pageDict;
this.stats = { this.stats = {
@ -74,7 +74,7 @@ var Page = (function pagePage() {
this.callback = null; this.callback = null;
} }
constructor.prototype = { Page.prototype = {
getPageProp: function pageGetPageProp(key) { getPageProp: function pageGetPageProp(key) {
return this.xref.fetchIfRef(this.pageDict.get(key)); return this.xref.fetchIfRef(this.pageDict.get(key));
}, },
@ -325,7 +325,7 @@ var Page = (function pagePage() {
} }
}; };
return constructor; return Page;
})(); })();
/** /**
@ -338,8 +338,8 @@ var Page = (function pagePage() {
* need for the `PDFDocModel` anymore and there is only one object on the * need for the `PDFDocModel` anymore and there is only one object on the
* main thread and not one entire copy on each worker instance. * main thread and not one entire copy on each worker instance.
*/ */
var PDFDocModel = (function pdfDoc() { var PDFDocModel = (function PDFDocModelClosure() {
function constructor(arg, callback) { function PDFDocModel(arg, callback) {
if (isStream(arg)) if (isStream(arg))
init.call(this, arg); init.call(this, arg);
else if (isArrayBuffer(arg)) else if (isArrayBuffer(arg))
@ -370,7 +370,7 @@ var PDFDocModel = (function pdfDoc() {
return true; /* found */ return true; /* found */
} }
constructor.prototype = { PDFDocModel.prototype = {
get linearization() { get linearization() {
var length = this.stream.length; var length = this.stream.length;
var linearization = false; var linearization = false;
@ -392,12 +392,17 @@ var PDFDocModel = (function pdfDoc() {
if (find(stream, 'endobj', 1024)) if (find(stream, 'endobj', 1024))
startXRef = stream.pos + 6; startXRef = stream.pos + 6;
} else { } else {
// Find startxref at the end of the file. // Find startxref by jumping backward from the end of the file.
var start = stream.end - 1024; var step = 1024;
if (start < 0) var found = false, pos = stream.end;
start = 0; while (!found && pos > 0) {
stream.pos = start; pos -= step - 'startxref'.length;
if (find(stream, 'startxref', 1024, true)) { if (pos < 0)
pos = 0;
stream.pos = pos;
found = find(stream, 'startxref', step, true);
}
if (found) {
stream.skip(9); stream.skip(9);
var ch; var ch;
do { do {
@ -454,11 +459,11 @@ var PDFDocModel = (function pdfDoc() {
} }
}; };
return constructor; return PDFDocModel;
})(); })();
var PDFDoc = (function pdfDoc() { var PDFDoc = (function PDFDocClosure() {
function constructor(arg, callback) { function PDFDoc(arg, callback) {
var stream = null; var stream = null;
var data = null; var data = null;
@ -526,7 +531,7 @@ var PDFDoc = (function pdfDoc() {
} }
} }
constructor.prototype = { PDFDoc.prototype = {
setupFakeWorker: function() { setupFakeWorker: function() {
// If we don't use a worker, just post/sendMessage to the main thread. // If we don't use a worker, just post/sendMessage to the main thread.
var fakeWorker = { var fakeWorker = {
@ -655,7 +660,7 @@ var PDFDoc = (function pdfDoc() {
} }
}; };
return constructor; return PDFDoc;
})(); })();
globalScope.PDFJS.PDFDoc = PDFDoc; globalScope.PDFJS.PDFDoc = PDFDoc;

44
src/crypto.js
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@ -3,8 +3,8 @@
'use strict'; 'use strict';
var ARCFourCipher = (function arcFourCipher() { var ARCFourCipher = (function ARCFourCipherClosure() {
function constructor(key) { function ARCFourCipher(key) {
this.a = 0; this.a = 0;
this.b = 0; this.b = 0;
var s = new Uint8Array(256); var s = new Uint8Array(256);
@ -20,7 +20,7 @@ var ARCFourCipher = (function arcFourCipher() {
this.s = s; this.s = s;
} }
constructor.prototype = { ARCFourCipher.prototype = {
encryptBlock: function arcFourCipherEncryptBlock(data) { encryptBlock: function arcFourCipherEncryptBlock(data) {
var i, n = data.length, tmp, tmp2; var i, n = data.length, tmp, tmp2;
var a = this.a, b = this.b, s = this.s; var a = this.a, b = this.b, s = this.s;
@ -39,12 +39,12 @@ var ARCFourCipher = (function arcFourCipher() {
return output; return output;
} }
}; };
constructor.prototype.decryptBlock = constructor.prototype.encryptBlock; ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock;
return constructor; return ARCFourCipher;
})(); })();
var calculateMD5 = (function calculateMD5() { var calculateMD5 = (function calculateMD5Closure() {
var r = new Uint8Array([ var r = new Uint8Array([
7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
@ -128,20 +128,20 @@ var calculateMD5 = (function calculateMD5() {
return hash; return hash;
})(); })();
var NullCipher = (function nullCipher() { var NullCipher = (function NullCipherClosure() {
function constructor() { function NullCipher() {
} }
constructor.prototype = { NullCipher.prototype = {
decryptBlock: function nullCipherDecryptBlock(data) { decryptBlock: function nullCipherDecryptBlock(data) {
return data; return data;
} }
}; };
return constructor; return NullCipher;
})(); })();
var AES128Cipher = (function aes128Cipher() { var AES128Cipher = (function AES128CipherClosure() {
var rcon = new Uint8Array([ var rcon = new Uint8Array([
0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c,
0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a,
@ -330,7 +330,7 @@ var AES128Cipher = (function aes128Cipher() {
return state; return state;
} }
function constructor(key) { function AES128Cipher(key) {
this.key = expandKey128(key); this.key = expandKey128(key);
this.buffer = new Uint8Array(16); this.buffer = new Uint8Array(16);
this.bufferPosition = 0; this.bufferPosition = 0;
@ -370,7 +370,7 @@ var AES128Cipher = (function aes128Cipher() {
return output; return output;
} }
constructor.prototype = { AES128Cipher.prototype = {
decryptBlock: function aes128CipherDecryptBlock(data) { decryptBlock: function aes128CipherDecryptBlock(data) {
var i, sourceLength = data.length; var i, sourceLength = data.length;
var buffer = this.buffer, bufferLength = this.bufferPosition; var buffer = this.buffer, bufferLength = this.bufferPosition;
@ -391,15 +391,15 @@ var AES128Cipher = (function aes128Cipher() {
} }
}; };
return constructor; return AES128Cipher;
})(); })();
var CipherTransform = (function cipherTransform() { var CipherTransform = (function CipherTransformClosure() {
function constructor(stringCipherConstructor, streamCipherConstructor) { function CipherTransform(stringCipherConstructor, streamCipherConstructor) {
this.stringCipherConstructor = stringCipherConstructor; this.stringCipherConstructor = stringCipherConstructor;
this.streamCipherConstructor = streamCipherConstructor; this.streamCipherConstructor = streamCipherConstructor;
} }
constructor.prototype = { CipherTransform.prototype = {
createStream: function cipherTransformCreateStream(stream) { createStream: function cipherTransformCreateStream(stream) {
var cipher = new this.streamCipherConstructor(); var cipher = new this.streamCipherConstructor();
return new DecryptStream(stream, return new DecryptStream(stream,
@ -415,10 +415,10 @@ var CipherTransform = (function cipherTransform() {
return bytesToString(data); return bytesToString(data);
} }
}; };
return constructor; return CipherTransform;
})(); })();
var CipherTransformFactory = (function cipherTransformFactory() { var CipherTransformFactory = (function CipherTransformFactoryClosure() {
function prepareKeyData(fileId, password, ownerPassword, userPassword, function prepareKeyData(fileId, password, ownerPassword, userPassword,
flags, revision, keyLength, encryptMetadata) { flags, revision, keyLength, encryptMetadata) {
var defaultPasswordBytes = new Uint8Array([ var defaultPasswordBytes = new Uint8Array([
@ -490,7 +490,7 @@ var CipherTransformFactory = (function cipherTransformFactory() {
var identityName = new Name('Identity'); var identityName = new Name('Identity');
function constructor(dict, fileId, password) { function CipherTransformFactory(dict, fileId, password) {
var filter = dict.get('Filter'); var filter = dict.get('Filter');
if (!isName(filter) || filter.name != 'Standard') if (!isName(filter) || filter.name != 'Standard')
error('unknown encryption method'); error('unknown encryption method');
@ -573,7 +573,7 @@ var CipherTransformFactory = (function cipherTransformFactory() {
return null; return null;
} }
constructor.prototype = { CipherTransformFactory.prototype = {
createCipherTransform: function buildCipherCreateCipherTransform(num, createCipherTransform: function buildCipherCreateCipherTransform(num,
gen) { gen) {
if (this.algorithm == 4) { if (this.algorithm == 4) {
@ -592,6 +592,6 @@ var CipherTransformFactory = (function cipherTransformFactory() {
} }
}; };
return constructor; return CipherTransformFactory;
})(); })();

16
src/evaluator.js
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@ -3,8 +3,8 @@
'use strict'; 'use strict';
var PartialEvaluator = (function partialEvaluator() { var PartialEvaluator = (function PartialEvaluatorClosure() {
function constructor(xref, handler, uniquePrefix) { function PartialEvaluator(xref, handler, uniquePrefix) {
this.state = new EvalState(); this.state = new EvalState();
this.stateStack = []; this.stateStack = [];
@ -111,7 +111,7 @@ var PartialEvaluator = (function partialEvaluator() {
EX: 'endCompat' EX: 'endCompat'
}; };
constructor.prototype = { PartialEvaluator.prototype = {
getIRQueue: function partialEvaluatorGetIRQueue(stream, resources, getIRQueue: function partialEvaluatorGetIRQueue(stream, resources,
queue, dependency) { queue, dependency) {
@ -858,11 +858,11 @@ var PartialEvaluator = (function partialEvaluator() {
} }
}; };
return constructor; return PartialEvaluator;
})(); })();
var EvalState = (function evalState() { var EvalState = (function EvalStateClosure() {
function constructor() { function EvalState() {
// Are soft masks and alpha values shapes or opacities? // Are soft masks and alpha values shapes or opacities?
this.alphaIsShape = false; this.alphaIsShape = false;
this.fontSize = 0; this.fontSize = 0;
@ -879,8 +879,8 @@ var EvalState = (function evalState() {
this.fillColorSpace = null; this.fillColorSpace = null;
this.strokeColorSpace = null; this.strokeColorSpace = null;
} }
constructor.prototype = { EvalState.prototype = {
}; };
return constructor; return EvalState;
})(); })();

16
src/fonts.js
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@ -731,8 +731,8 @@ function isSpecialUnicode(unicode) {
* var type1Font = new Font("MyFontName", binaryFile, propertiesObject); * var type1Font = new Font("MyFontName", binaryFile, propertiesObject);
* type1Font.bind(); * type1Font.bind();
*/ */
var Font = (function Font() { var Font = (function FontClosure() {
var constructor = function font_constructor(name, file, properties) { function Font(name, file, properties) {
this.name = name; this.name = name;
this.coded = properties.coded; this.coded = properties.coded;
this.charProcIRQueues = properties.charProcIRQueues; this.charProcIRQueues = properties.charProcIRQueues;
@ -1229,7 +1229,7 @@ var Font = (function Font() {
return nameTable; return nameTable;
} }
constructor.prototype = { Font.prototype = {
name: null, name: null,
font: null, font: null,
mimetype: null, mimetype: null,
@ -2218,7 +2218,7 @@ var Font = (function Font() {
} }
}; };
return constructor; return Font;
})(); })();
/* /*
@ -3128,9 +3128,9 @@ CFF.prototype = {
} }
}; };
var Type2CFF = (function type2CFF() { var Type2CFF = (function Type2CFFClosure() {
// TODO: replace parsing code with the Type2Parser in font_utils.js // TODO: replace parsing code with the Type2Parser in font_utils.js
function constructor(file, properties) { function Type2CFF(file, properties) {
var bytes = file.getBytes(); var bytes = file.getBytes();
this.bytes = bytes; this.bytes = bytes;
this.properties = properties; this.properties = properties;
@ -3138,7 +3138,7 @@ var Type2CFF = (function type2CFF() {
this.data = this.parse(); this.data = this.parse();
} }
constructor.prototype = { Type2CFF.prototype = {
parse: function cff_parse() { parse: function cff_parse() {
var header = this.parseHeader(); var header = this.parseHeader();
var properties = this.properties; var properties = this.properties;
@ -3682,6 +3682,6 @@ var Type2CFF = (function type2CFF() {
} }
}; };
return constructor; return Type2CFF;
})(); })();

2
src/function.js
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@ -3,7 +3,7 @@
'use strict'; 'use strict';
var PDFFunction = (function pdfFunction() { var PDFFunction = (function PDFFunctionClosure() {
var CONSTRUCT_SAMPLED = 0; var CONSTRUCT_SAMPLED = 0;
var CONSTRUCT_INTERPOLATED = 2; var CONSTRUCT_INTERPOLATED = 2;
var CONSTRUCT_STICHED = 3; var CONSTRUCT_STICHED = 3;

9
src/image.js
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@ -3,8 +3,8 @@
'use strict'; 'use strict';
var PDFImage = (function pdfImage() { var PDFImage = (function PDFImageClosure() {
function constructor(xref, res, image, inline) { function PDFImage(xref, res, image, inline) {
this.image = image; this.image = image;
if (image.getParams) { if (image.getParams) {
// JPX/JPEG2000 streams directly contain bits per component // JPX/JPEG2000 streams directly contain bits per component
@ -60,7 +60,7 @@ var PDFImage = (function pdfImage() {
} }
} }
constructor.prototype = { PDFImage.prototype = {
getComponents: function getComponents(buffer, decodeMap) { getComponents: function getComponents(buffer, decodeMap) {
var bpc = this.bpc; var bpc = this.bpc;
if (bpc == 8) if (bpc == 8)
@ -226,7 +226,7 @@ var PDFImage = (function pdfImage() {
buffer[i] = comps[i]; buffer[i] = comps[i];
} }
}; };
return constructor; return PDFImage;
})(); })();
function loadJpegStream(id, imageData, objs) { function loadJpegStream(id, imageData, objs) {
@ -236,3 +236,4 @@ function loadJpegStream(id, imageData, objs) {
}); });
img.src = 'data:image/jpeg;base64,' + window.btoa(imageData); img.src = 'data:image/jpeg;base64,' + window.btoa(imageData);
} }

58
src/obj.js
Unescape View File

@ -3,34 +3,34 @@
'use strict'; 'use strict';
var Name = (function nameName() { var Name = (function NameClosure() {
function constructor(name) { function Name(name) {
this.name = name; this.name = name;
} }
constructor.prototype = { Name.prototype = {
}; };
return constructor; return Name;
})(); })();
var Cmd = (function cmdCmd() { var Cmd = (function CmdClosure() {
function constructor(cmd) { function Cmd(cmd) {
this.cmd = cmd; this.cmd = cmd;
} }
constructor.prototype = { Cmd.prototype = {
}; };
return constructor; return Cmd;
})(); })();
var Dict = (function dictDict() { var Dict = (function DictClosure() {
function constructor() { function Dict() {
this.map = Object.create(null); this.map = Object.create(null);
} }
constructor.prototype = { Dict.prototype = {
get: function dictGet(key1, key2, key3) { get: function dictGet(key1, key2, key3) {
var value; var value;
if (typeof (value = this.map[key1]) != 'undefined' || key1 in this.map || if (typeof (value = this.map[key1]) != 'undefined' || key1 in this.map ||
@ -60,29 +60,29 @@ var Dict = (function dictDict() {
} }
}; };
return constructor; return Dict;
})(); })();
var Ref = (function refRef() { var Ref = (function RefClosure() {
function constructor(num, gen) { function Ref(num, gen) {
this.num = num; this.num = num;
this.gen = gen; this.gen = gen;
} }
constructor.prototype = { Ref.prototype = {
}; };
return constructor; return Ref;
})(); })();
// The reference is identified by number and generation, // The reference is identified by number and generation,
// this structure stores only one instance of the reference. // this structure stores only one instance of the reference.
var RefSet = (function refSet() { var RefSet = (function RefSetClosure() {
function constructor() { function RefSet() {
this.dict = {}; this.dict = {};
} }
constructor.prototype = { RefSet.prototype = {
has: function refSetHas(ref) { has: function refSetHas(ref) {
return !!this.dict['R' + ref.num + '.' + ref.gen]; return !!this.dict['R' + ref.num + '.' + ref.gen];
}, },
@ -92,18 +92,18 @@ var RefSet = (function refSet() {
} }
}; };
return constructor; return RefSet;
})(); })();
var Catalog = (function catalogCatalog() { var Catalog = (function CatalogClosure() {
function constructor(xref) { function Catalog(xref) {
this.xref = xref; this.xref = xref;
var obj = xref.getCatalogObj(); var obj = xref.getCatalogObj();
assertWellFormed(isDict(obj), 'catalog object is not a dictionary'); assertWellFormed(isDict(obj), 'catalog object is not a dictionary');
this.catDict = obj; this.catDict = obj;
} }
constructor.prototype = { Catalog.prototype = {
get toplevelPagesDict() { get toplevelPagesDict() {
var pagesObj = this.catDict.get('Pages'); var pagesObj = this.catDict.get('Pages');
assertWellFormed(isRef(pagesObj), 'invalid top-level pages reference'); assertWellFormed(isRef(pagesObj), 'invalid top-level pages reference');
@ -253,11 +253,11 @@ var Catalog = (function catalogCatalog() {
} }
}; };
return constructor; return Catalog;
})(); })();
var XRef = (function xRefXRef() { var XRef = (function XRefClosure() {
function constructor(stream, startXRef, mainXRefEntriesOffset) { function XRef(stream, startXRef, mainXRefEntriesOffset) {
this.stream = stream; this.stream = stream;
this.entries = []; this.entries = [];
this.xrefstms = {}; this.xrefstms = {};
@ -278,7 +278,7 @@ var XRef = (function xRefXRef() {
error('Invalid root reference'); error('Invalid root reference');
} }
constructor.prototype = { XRef.prototype = {
readXRefTable: function readXRefTable(parser) { readXRefTable: function readXRefTable(parser) {
var obj; var obj;
while (true) { while (true) {
@ -642,7 +642,7 @@ var XRef = (function xRefXRef() {
} }
}; };
return constructor; return XRef;
})(); })();
/** /**
@ -651,7 +651,7 @@ var XRef = (function xRefXRef() {
* inside of a worker. The `PDFObjects` implements some basic functions to * inside of a worker. The `PDFObjects` implements some basic functions to
* manage these objects. * manage these objects.
*/ */
var PDFObjects = (function pdfObjects() { var PDFObjects = (function PDFObjectsClosure() {
function PDFObjects() { function PDFObjects() {
this.objs = {}; this.objs = {};
} }

26
src/parser.js
Unescape View File

@ -9,8 +9,8 @@ function isEOF(v) {
return v == EOF; return v == EOF;
} }
var Parser = (function parserParser() { var Parser = (function ParserClosure() {
function constructor(lexer, allowStreams, xref) { function Parser(lexer, allowStreams, xref) {
this.lexer = lexer; this.lexer = lexer;
this.allowStreams = allowStreams; this.allowStreams = allowStreams;
this.xref = xref; this.xref = xref;
@ -18,7 +18,7 @@ var Parser = (function parserParser() {
this.refill(); this.refill();
} }
constructor.prototype = { Parser.prototype = {
refill: function parserRefill() { refill: function parserRefill() {
this.buf1 = this.lexer.getObj(); this.buf1 = this.lexer.getObj();
this.buf2 = this.lexer.getObj(); this.buf2 = this.lexer.getObj();
@ -254,15 +254,15 @@ var Parser = (function parserParser() {
} }
}; };
return constructor; return Parser;
})(); })();
var Lexer = (function lexer() { var Lexer = (function LexerClosure() {
function constructor(stream) { function Lexer(stream) {
this.stream = stream; this.stream = stream;
} }
constructor.isSpace = function lexerIsSpace(ch) { Lexer.isSpace = function lexerIsSpace(ch) {
return ch == ' ' || ch == '\t' || ch == '\x0d' || ch == '\x0a'; return ch == ' ' || ch == '\t' || ch == '\x0d' || ch == '\x0a';
}; };
@ -296,7 +296,7 @@ var Lexer = (function lexer() {
return -1; return -1;
} }
constructor.prototype = { Lexer.prototype = {
getNumber: function lexerGetNumber(ch) { getNumber: function lexerGetNumber(ch) {
var floating = false; var floating = false;
var str = ch; var str = ch;
@ -558,11 +558,11 @@ var Lexer = (function lexer() {
} }
}; };
return constructor; return Lexer;
})(); })();
var Linearization = (function linearizationLinearization() { var Linearization = (function LinearizationClosure() {
function constructor(stream) { function Linearization(stream) {
this.parser = new Parser(new Lexer(stream), false); this.parser = new Parser(new Lexer(stream), false);
var obj1 = this.parser.getObj(); var obj1 = this.parser.getObj();
var obj2 = this.parser.getObj(); var obj2 = this.parser.getObj();
@ -576,7 +576,7 @@ var Linearization = (function linearizationLinearization() {
} }
} }
constructor.prototype = { Linearization.prototype = {
getInt: function linearizationGetInt(name) { getInt: function linearizationGetInt(name) {
var linDict = this.linDict; var linDict = this.linDict;
var obj; var obj;
@ -635,6 +635,6 @@ var Linearization = (function linearizationLinearization() {
} }
}; };
return constructor; return Linearization;
})(); })();

34
src/pattern.js
Unescape View File

@ -8,13 +8,13 @@ var PatternType = {
RADIAL: 3 RADIAL: 3
}; };
var Pattern = (function patternPattern() { var Pattern = (function PatternClosure() {
// Constructor should define this.getPattern // Constructor should define this.getPattern
function constructor() { function Pattern() {
error('should not call Pattern constructor'); error('should not call Pattern constructor');
} }
constructor.prototype = { Pattern.prototype = {
// Input: current Canvas context // Input: current Canvas context
// Output: the appropriate fillStyle or strokeStyle // Output: the appropriate fillStyle or strokeStyle
getPattern: function pattern_getStyle(ctx) { getPattern: function pattern_getStyle(ctx) {
@ -22,11 +22,11 @@ var Pattern = (function patternPattern() {
} }
}; };
constructor.shadingFromIR = function pattern_shadingFromIR(ctx, raw) { Pattern.shadingFromIR = function pattern_shadingFromIR(ctx, raw) {
return Shadings[raw[0]].fromIR(ctx, raw); return Shadings[raw[0]].fromIR(ctx, raw);
}; };
constructor.parseShading = function pattern_shading(shading, matrix, xref, Pattern.parseShading = function pattern_shading(shading, matrix, xref,
res, ctx) { res, ctx) {
var dict = isStream(shading) ? shading.dict : shading; var dict = isStream(shading) ? shading.dict : shading;
@ -41,15 +41,15 @@ var Pattern = (function patternPattern() {
return new Shadings.Dummy(); return new Shadings.Dummy();
} }
}; };
return constructor; return Pattern;
})(); })();
var Shadings = {}; var Shadings = {};
// Radial and axial shading have very similar implementations // Radial and axial shading have very similar implementations
// If needed, the implementations can be broken into two classes // If needed, the implementations can be broken into two classes
Shadings.RadialAxial = (function radialAxialShading() { Shadings.RadialAxial = (function RadialAxialClosure() {
function constructor(dict, matrix, xref, res, ctx) { function RadialAxial(dict, matrix, xref, res, ctx) {
this.matrix = matrix; this.matrix = matrix;
this.coordsArr = dict.get('Coords'); this.coordsArr = dict.get('Coords');
this.shadingType = dict.get('ShadingType'); this.shadingType = dict.get('ShadingType');
@ -102,7 +102,7 @@ Shadings.RadialAxial = (function radialAxialShading() {
this.colorStops = colorStops; this.colorStops = colorStops;
} }
constructor.fromIR = function radialAxialShadingGetIR(ctx, raw) { RadialAxial.fromIR = function radialAxialShadingGetIR(ctx, raw) {
var type = raw[1]; var type = raw[1];
var colorStops = raw[2]; var colorStops = raw[2];
var p0 = raw[3]; var p0 = raw[3];
@ -134,7 +134,7 @@ Shadings.RadialAxial = (function radialAxialShading() {
return grad; return grad;
}; };
constructor.prototype = { RadialAxial.prototype = {
getIR: function radialAxialShadingGetIR() { getIR: function radialAxialShadingGetIR() {
var coordsArr = this.coordsArr; var coordsArr = this.coordsArr;
var type = this.shadingType; var type = this.shadingType;
@ -162,27 +162,27 @@ Shadings.RadialAxial = (function radialAxialShading() {
} }
}; };
return constructor; return RadialAxial;
})(); })();
Shadings.Dummy = (function dummyShading() { Shadings.Dummy = (function DummyClosure() {
function constructor() { function Dummy() {
this.type = 'Pattern'; this.type = 'Pattern';
} }
constructor.fromIR = function dummyShadingFromIR() { Dummy.fromIR = function dummyShadingFromIR() {
return 'hotpink'; return 'hotpink';
}; };
constructor.prototype = { Dummy.prototype = {
getIR: function dummyShadingGetIR() { getIR: function dummyShadingGetIR() {
return ['Dummy']; return ['Dummy'];
} }
}; };
return constructor; return Dummy;
})(); })();
var TilingPattern = (function tilingPattern() { var TilingPattern = (function TilingPatternClosure() {
var PaintType = { var PaintType = {
COLORED: 1, COLORED: 1,
UNCOLORED: 2 UNCOLORED: 2

166
src/stream.js
Unescape View File

@ -3,8 +3,8 @@
'use strict'; 'use strict';
var Stream = (function streamStream() { var Stream = (function StreamClosure() {
function constructor(arrayBuffer, start, length, dict) { function Stream(arrayBuffer, start, length, dict) {
this.bytes = new Uint8Array(arrayBuffer); this.bytes = new Uint8Array(arrayBuffer);
this.start = start || 0; this.start = start || 0;
this.pos = this.start; this.pos = this.start;
@ -14,7 +14,7 @@ var Stream = (function streamStream() {
// required methods for a stream. if a particular stream does not // required methods for a stream. if a particular stream does not
// implement these, an error should be thrown // implement these, an error should be thrown
constructor.prototype = { Stream.prototype = {
get length() { get length() {
return this.end - this.start; return this.end - this.start;
}, },
@ -67,11 +67,11 @@ var Stream = (function streamStream() {
isStream: true isStream: true
}; };
return constructor; return Stream;
})(); })();
var StringStream = (function stringStream() { var StringStream = (function StringStreamClosure() {
function constructor(str) { function StringStream(str) {
var length = str.length; var length = str.length;
var bytes = new Uint8Array(length); var bytes = new Uint8Array(length);
for (var n = 0; n < length; ++n) for (var n = 0; n < length; ++n)
@ -79,21 +79,21 @@ var StringStream = (function stringStream() {
Stream.call(this, bytes); Stream.call(this, bytes);
} }
constructor.prototype = Stream.prototype; StringStream.prototype = Stream.prototype;
return constructor; return StringStream;
})(); })();
// super class for the decoding streams // super class for the decoding streams
var DecodeStream = (function decodeStream() { var DecodeStream = (function DecodeStreamClosure() {
function constructor() { function DecodeStream() {
this.pos = 0; this.pos = 0;
this.bufferLength = 0; this.bufferLength = 0;
this.eof = false; this.eof = false;
this.buffer = null; this.buffer = null;
} }
constructor.prototype = { DecodeStream.prototype = {
ensureBuffer: function decodestream_ensureBuffer(requested) { ensureBuffer: function decodestream_ensureBuffer(requested) {
var buffer = this.buffer; var buffer = this.buffer;
var current = buffer ? buffer.byteLength : 0; var current = buffer ? buffer.byteLength : 0;
@ -178,24 +178,24 @@ var DecodeStream = (function decodeStream() {
} }
}; };
return constructor; return DecodeStream;
})(); })();
var FakeStream = (function fakeStream() { var FakeStream = (function FakeStreamClosure() {
function constructor(stream) { function FakeStream(stream) {
this.dict = stream.dict; this.dict = stream.dict;
DecodeStream.call(this); DecodeStream.call(this);
} }
constructor.prototype = Object.create(DecodeStream.prototype); FakeStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBlock = function fakeStreamReadBlock() { FakeStream.prototype.readBlock = function fakeStreamReadBlock() {
var bufferLength = this.bufferLength; var bufferLength = this.bufferLength;
bufferLength += 1024; bufferLength += 1024;
var buffer = this.ensureBuffer(bufferLength); var buffer = this.ensureBuffer(bufferLength);
this.bufferLength = bufferLength; this.bufferLength = bufferLength;
}; };
constructor.prototype.getBytes = function fakeStreamGetBytes(length) { FakeStream.prototype.getBytes = function fakeStreamGetBytes(length) {
var end, pos = this.pos; var end, pos = this.pos;
if (length) { if (length) {
@ -217,18 +217,20 @@ var FakeStream = (function fakeStream() {
return this.buffer.subarray(pos, end); return this.buffer.subarray(pos, end);
}; };
return constructor; return FakeStream;
})(); })();
var StreamsSequenceStream = (function streamSequenceStream() { var StreamsSequenceStream = (function StreamsSequenceStreamClosure() {
function constructor(streams) { function StreamsSequenceStream(streams) {
this.streams = streams; this.streams = streams;
DecodeStream.call(this); DecodeStream.call(this);
} }
constructor.prototype = Object.create(DecodeStream.prototype); StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype);
StreamsSequenceStream.prototype.readBlock =
function streamSequenceStreamReadBlock() {
constructor.prototype.readBlock = function streamSequenceStreamReadBlock() {
var streams = this.streams; var streams = this.streams;
if (streams.length == 0) { if (streams.length == 0) {
this.eof = true; this.eof = true;
@ -243,10 +245,10 @@ var StreamsSequenceStream = (function streamSequenceStream() {
this.bufferLength = newLength; this.bufferLength = newLength;
}; };
return constructor; return StreamsSequenceStream;
})(); })();
var FlateStream = (function flateStream() { var FlateStream = (function FlateStreamClosure() {
var codeLenCodeMap = new Uint32Array([ var codeLenCodeMap = new Uint32Array([
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
]); ]);
@ -339,7 +341,7 @@ var FlateStream = (function flateStream() {
0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000 0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000
]), 5]; ]), 5];
function constructor(stream) { function FlateStream(stream) {
var bytes = stream.getBytes(); var bytes = stream.getBytes();
var bytesPos = 0; var bytesPos = 0;
@ -364,9 +366,9 @@ var FlateStream = (function flateStream() {
DecodeStream.call(this); DecodeStream.call(this);
} }
constructor.prototype = Object.create(DecodeStream.prototype); FlateStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.getBits = function flateStreamGetBits(bits) { FlateStream.prototype.getBits = function flateStreamGetBits(bits) {
var codeSize = this.codeSize; var codeSize = this.codeSize;
var codeBuf = this.codeBuf; var codeBuf = this.codeBuf;
var bytes = this.bytes; var bytes = this.bytes;
@ -386,7 +388,7 @@ var FlateStream = (function flateStream() {
return b; return b;
}; };
constructor.prototype.getCode = function flateStreamGetCode(table) { FlateStream.prototype.getCode = function flateStreamGetCode(table) {
var codes = table[0]; var codes = table[0];
var maxLen = table[1]; var maxLen = table[1];
var codeSize = this.codeSize; var codeSize = this.codeSize;
@ -412,7 +414,7 @@ var FlateStream = (function flateStream() {
return codeVal; return codeVal;
}; };
constructor.prototype.generateHuffmanTable = FlateStream.prototype.generateHuffmanTable =
function flateStreamGenerateHuffmanTable(lengths) { function flateStreamGenerateHuffmanTable(lengths) {
var n = lengths.length; var n = lengths.length;
@ -451,7 +453,7 @@ var FlateStream = (function flateStream() {
return [codes, maxLen]; return [codes, maxLen];
}; };
constructor.prototype.readBlock = function flateStreamReadBlock() { FlateStream.prototype.readBlock = function flateStreamReadBlock() {
// read block header // read block header
var hdr = this.getBits(3); var hdr = this.getBits(3);
if (hdr & 1) if (hdr & 1)
@ -582,11 +584,11 @@ var FlateStream = (function flateStream() {
} }
}; };
return constructor; return FlateStream;
})(); })();
var PredictorStream = (function predictorStream() { var PredictorStream = (function PredictorStreamClosure() {
function constructor(stream, params) { function PredictorStream(stream, params) {
var predictor = this.predictor = params.get('Predictor') || 1; var predictor = this.predictor = params.get('Predictor') || 1;
if (predictor <= 1) if (predictor <= 1)
@ -613,9 +615,9 @@ var PredictorStream = (function predictorStream() {
return this; return this;
} }
constructor.prototype = Object.create(DecodeStream.prototype); PredictorStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBlockTiff = PredictorStream.prototype.readBlockTiff =
function predictorStreamReadBlockTiff() { function predictorStreamReadBlockTiff() {
var rowBytes = this.rowBytes; var rowBytes = this.rowBytes;
@ -676,7 +678,9 @@ var PredictorStream = (function predictorStream() {
this.bufferLength += rowBytes; this.bufferLength += rowBytes;
}; };
constructor.prototype.readBlockPng = function predictorStreamReadBlockPng() { PredictorStream.prototype.readBlockPng =
function predictorStreamReadBlockPng() {
var rowBytes = this.rowBytes; var rowBytes = this.rowBytes;
var pixBytes = this.pixBytes; var pixBytes = this.pixBytes;
@ -753,7 +757,7 @@ var PredictorStream = (function predictorStream() {
this.bufferLength += rowBytes; this.bufferLength += rowBytes;
}; };
return constructor; return PredictorStream;
})(); })();
/** /**
@ -763,7 +767,7 @@ var PredictorStream = (function predictorStream() {
* a library to decode these images and the stream behaves like all the other * a library to decode these images and the stream behaves like all the other
* DecodeStreams. * DecodeStreams.
*/ */
var JpegStream = (function jpegStream() { var JpegStream = (function JpegStreamClosure() {
function isAdobeImage(bytes) { function isAdobeImage(bytes) {
var maxBytesScanned = Math.max(bytes.length - 16, 1024); var maxBytesScanned = Math.max(bytes.length - 16, 1024);
// Looking for APP14, 'Adobe' // Looking for APP14, 'Adobe'
@ -794,7 +798,7 @@ var JpegStream = (function jpegStream() {
return newBytes; return newBytes;
} }
function constructor(bytes, dict, xref) { function JpegStream(bytes, dict, xref) {
// TODO: per poppler, some images may have 'junk' before that // TODO: per poppler, some images may have 'junk' before that
// need to be removed // need to be removed
this.dict = dict; this.dict = dict;
@ -825,9 +829,9 @@ var JpegStream = (function jpegStream() {
DecodeStream.call(this); DecodeStream.call(this);
} }
constructor.prototype = Object.create(DecodeStream.prototype); JpegStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.ensureBuffer = function jpegStreamEnsureBuffer(req) { JpegStream.prototype.ensureBuffer = function jpegStreamEnsureBuffer(req) {
if (this.bufferLength) if (this.bufferLength)
return; return;
var jpegImage = new JpegImage(); var jpegImage = new JpegImage();
@ -839,18 +843,18 @@ var JpegStream = (function jpegStream() {
this.buffer = data; this.buffer = data;
this.bufferLength = data.length; this.bufferLength = data.length;
}; };
constructor.prototype.getIR = function jpegStreamGetIR() { JpegStream.prototype.getIR = function jpegStreamGetIR() {
return this.src; return this.src;
}; };
constructor.prototype.getChar = function jpegStreamGetChar() { JpegStream.prototype.getChar = function jpegStreamGetChar() {
error('internal error: getChar is not valid on JpegStream'); error('internal error: getChar is not valid on JpegStream');
}; };
return constructor; return JpegStream;
})(); })();
var DecryptStream = (function decryptStream() { var DecryptStream = (function DecryptStreamClosure() {
function constructor(str, decrypt) { function DecryptStream(str, decrypt) {
this.str = str; this.str = str;
this.dict = str.dict; this.dict = str.dict;
this.decrypt = decrypt; this.decrypt = decrypt;
@ -860,9 +864,9 @@ var DecryptStream = (function decryptStream() {
var chunkSize = 512; var chunkSize = 512;
constructor.prototype = Object.create(DecodeStream.prototype); DecryptStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBlock = function decryptStreamReadBlock() { DecryptStream.prototype.readBlock = function decryptStreamReadBlock() {
var chunk = this.str.getBytes(chunkSize); var chunk = this.str.getBytes(chunkSize);
if (!chunk || chunk.length == 0) { if (!chunk || chunk.length == 0) {
this.eof = true; this.eof = true;
@ -879,11 +883,11 @@ var DecryptStream = (function decryptStream() {
this.bufferLength = bufferLength; this.bufferLength = bufferLength;
}; };
return constructor; return DecryptStream;
})(); })();
var Ascii85Stream = (function ascii85Stream() { var Ascii85Stream = (function Ascii85StreamClosure() {
function constructor(str) { function Ascii85Stream(str) {
this.str = str; this.str = str;
this.dict = str.dict; this.dict = str.dict;
this.input = new Uint8Array(5); this.input = new Uint8Array(5);
@ -891,9 +895,9 @@ var Ascii85Stream = (function ascii85Stream() {
DecodeStream.call(this); DecodeStream.call(this);
} }
constructor.prototype = Object.create(DecodeStream.prototype); Ascii85Stream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBlock = function ascii85StreamReadBlock() { Ascii85Stream.prototype.readBlock = function ascii85StreamReadBlock() {
var tildaCode = '~'.charCodeAt(0); var tildaCode = '~'.charCodeAt(0);
var zCode = 'z'.charCodeAt(0); var zCode = 'z'.charCodeAt(0);
var str = this.str; var str = this.str;
@ -948,11 +952,11 @@ var Ascii85Stream = (function ascii85Stream() {
} }
}; };
return constructor; return Ascii85Stream;
})(); })();
var AsciiHexStream = (function asciiHexStream() { var AsciiHexStream = (function AsciiHexStreamClosure() {
function constructor(str) { function AsciiHexStream(str) {
this.str = str; this.str = str;
this.dict = str.dict; this.dict = str.dict;
@ -986,9 +990,9 @@ var AsciiHexStream = (function asciiHexStream() {
102: 15 102: 15
}; };
constructor.prototype = Object.create(DecodeStream.prototype); AsciiHexStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBlock = function asciiHexStreamReadBlock() { AsciiHexStream.prototype.readBlock = function asciiHexStreamReadBlock() {
var gtCode = '>'.charCodeAt(0), bytes = this.str.getBytes(), c, n, var gtCode = '>'.charCodeAt(0), bytes = this.str.getBytes(), c, n,
decodeLength, buffer, bufferLength, i, length; decodeLength, buffer, bufferLength, i, length;
@ -1018,10 +1022,10 @@ var AsciiHexStream = (function asciiHexStream() {
this.eof = true; this.eof = true;
}; };
return constructor; return AsciiHexStream;
})(); })();
var CCITTFaxStream = (function ccittFaxStream() { var CCITTFaxStream = (function CCITTFaxStreamClosure() {
var ccittEOL = -2; var ccittEOL = -2;
var twoDimPass = 0; var twoDimPass = 0;
@ -1449,7 +1453,7 @@ var CCITTFaxStream = (function ccittFaxStream() {
[2, 2], [2, 2], [2, 2], [2, 2] [2, 2], [2, 2], [2, 2], [2, 2]
]; ];
function constructor(str, params) { function CCITTFaxStream(str, params) {
this.str = str; this.str = str;
this.dict = str.dict; this.dict = str.dict;
@ -1494,9 +1498,9 @@ var CCITTFaxStream = (function ccittFaxStream() {
DecodeStream.call(this); DecodeStream.call(this);
} }
constructor.prototype = Object.create(DecodeStream.prototype); CCITTFaxStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBlock = function ccittFaxStreamReadBlock() { CCITTFaxStream.prototype.readBlock = function ccittFaxStreamReadBlock() {
while (!this.eof) { while (!this.eof) {
var c = this.lookChar(); var c = this.lookChar();
this.buf = EOF; this.buf = EOF;
@ -1505,7 +1509,7 @@ var CCITTFaxStream = (function ccittFaxStream() {
} }
}; };
constructor.prototype.addPixels = CCITTFaxStream.prototype.addPixels =
function ccittFaxStreamAddPixels(a1, blackPixels) { function ccittFaxStreamAddPixels(a1, blackPixels) {
var codingLine = this.codingLine; var codingLine = this.codingLine;
var codingPos = this.codingPos; var codingPos = this.codingPos;
@ -1525,7 +1529,7 @@ var CCITTFaxStream = (function ccittFaxStream() {
this.codingPos = codingPos; this.codingPos = codingPos;
}; };
constructor.prototype.addPixelsNeg = CCITTFaxStream.prototype.addPixelsNeg =
function ccittFaxStreamAddPixelsNeg(a1, blackPixels) { function ccittFaxStreamAddPixelsNeg(a1, blackPixels) {
var codingLine = this.codingLine; var codingLine = this.codingLine;
var codingPos = this.codingPos; var codingPos = this.codingPos;
@ -1554,7 +1558,7 @@ var CCITTFaxStream = (function ccittFaxStream() {
this.codingPos = codingPos; this.codingPos = codingPos;
}; };
constructor.prototype.lookChar = function ccittFaxStreamLookChar() { CCITTFaxStream.prototype.lookChar = function ccittFaxStreamLookChar() {
if (this.buf != EOF) if (this.buf != EOF)
return this.buf; return this.buf;
@ -1873,7 +1877,9 @@ var CCITTFaxStream = (function ccittFaxStream() {
return [false, 0, false]; return [false, 0, false];
}; };
constructor.prototype.getTwoDimCode = function ccittFaxStreamGetTwoDimCode() { CCITTFaxStream.prototype.getTwoDimCode =
function ccittFaxStreamGetTwoDimCode() {
var code = 0; var code = 0;
var p; var p;
if (this.eoblock) { if (this.eoblock) {
@ -1892,7 +1898,9 @@ var CCITTFaxStream = (function ccittFaxStream() {
return EOF; return EOF;
}; };
constructor.prototype.getWhiteCode = function ccittFaxStreamGetWhiteCode() { CCITTFaxStream.prototype.getWhiteCode =
function ccittFaxStreamGetWhiteCode() {
var code = 0; var code = 0;
var p; var p;
var n; var n;
@ -1924,7 +1932,9 @@ var CCITTFaxStream = (function ccittFaxStream() {
return 1; return 1;
}; };
constructor.prototype.getBlackCode = function ccittFaxStreamGetBlackCode() { CCITTFaxStream.prototype.getBlackCode =
function ccittFaxStreamGetBlackCode() {
var code, p; var code, p;
if (this.eoblock) { if (this.eoblock) {
code = this.lookBits(13); code = this.lookBits(13);
@ -1959,7 +1969,7 @@ var CCITTFaxStream = (function ccittFaxStream() {
return 1; return 1;
}; };
constructor.prototype.lookBits = function ccittFaxStreamLookBits(n) { CCITTFaxStream.prototype.lookBits = function ccittFaxStreamLookBits(n) {
var c; var c;
while (this.inputBits < n) { while (this.inputBits < n) {
if ((c = this.str.getByte()) == null) { if ((c = this.str.getByte()) == null) {
@ -1974,16 +1984,16 @@ var CCITTFaxStream = (function ccittFaxStream() {
return (this.inputBuf >> (this.inputBits - n)) & (0xFFFF >> (16 - n)); return (this.inputBuf >> (this.inputBits - n)) & (0xFFFF >> (16 - n));
}; };
constructor.prototype.eatBits = function ccittFaxStreamEatBits(n) { CCITTFaxStream.prototype.eatBits = function ccittFaxStreamEatBits(n) {
if ((this.inputBits -= n) < 0) if ((this.inputBits -= n) < 0)
this.inputBits = 0; this.inputBits = 0;
}; };
return constructor; return CCITTFaxStream;
})(); })();
var LZWStream = (function lzwStream() { var LZWStream = (function LZWStreamClosure() {
function constructor(str, earlyChange) { function LZWStream(str, earlyChange) {
this.str = str; this.str = str;
this.dict = str.dict; this.dict = str.dict;
this.cachedData = 0; this.cachedData = 0;
@ -2009,9 +2019,9 @@ var LZWStream = (function lzwStream() {
DecodeStream.call(this); DecodeStream.call(this);
} }
constructor.prototype = Object.create(DecodeStream.prototype); LZWStream.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.readBits = function lzwStreamReadBits(n) { LZWStream.prototype.readBits = function lzwStreamReadBits(n) {
var bitsCached = this.bitsCached; var bitsCached = this.bitsCached;
var cachedData = this.cachedData; var cachedData = this.cachedData;
while (bitsCached < n) { while (bitsCached < n) {
@ -2029,7 +2039,7 @@ var LZWStream = (function lzwStream() {
return (cachedData >>> bitsCached) & ((1 << n) - 1); return (cachedData >>> bitsCached) & ((1 << n) - 1);
}; };
constructor.prototype.readBlock = function lzwStreamReadBlock() { LZWStream.prototype.readBlock = function lzwStreamReadBlock() {
var blockSize = 512; var blockSize = 512;
var estimatedDecodedSize = blockSize * 2, decodedSizeDelta = blockSize; var estimatedDecodedSize = blockSize * 2, decodedSizeDelta = blockSize;
var i, j, q; var i, j, q;
@ -2108,6 +2118,6 @@ var LZWStream = (function lzwStream() {
this.bufferLength = currentBufferLength; this.bufferLength = currentBufferLength;
}; };
return constructor; return LZWStream;
})(); })();

14
src/util.js
Unescape View File

@ -76,24 +76,24 @@ function stringToBytes(str) {
var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
var Util = (function utilUtil() { var Util = (function UtilClosure() {
function constructor() {} function Util() {}
constructor.makeCssRgb = function makergb(r, g, b) { Util.makeCssRgb = function makergb(r, g, b) {
var ri = (255 * r) | 0, gi = (255 * g) | 0, bi = (255 * b) | 0; var ri = (255 * r) | 0, gi = (255 * g) | 0, bi = (255 * b) | 0;
return 'rgb(' + ri + ',' + gi + ',' + bi + ')'; return 'rgb(' + ri + ',' + gi + ',' + bi + ')';
}; };
constructor.makeCssCmyk = function makecmyk(c, m, y, k) { Util.makeCssCmyk = function makecmyk(c, m, y, k) {
c = (new DeviceCmykCS()).getRgb([c, m, y, k]); c = (new DeviceCmykCS()).getRgb([c, m, y, k]);
var ri = (255 * c[0]) | 0, gi = (255 * c[1]) | 0, bi = (255 * c[2]) | 0; var ri = (255 * c[0]) | 0, gi = (255 * c[1]) | 0, bi = (255 * c[2]) | 0;
return 'rgb(' + ri + ',' + gi + ',' + bi + ')'; return 'rgb(' + ri + ',' + gi + ',' + bi + ')';
}; };
constructor.applyTransform = function apply(p, m) { Util.applyTransform = function apply(p, m) {
var xt = p[0] * m[0] + p[1] * m[2] + m[4]; var xt = p[0] * m[0] + p[1] * m[2] + m[4];
var yt = p[0] * m[1] + p[1] * m[3] + m[5]; var yt = p[0] * m[1] + p[1] * m[3] + m[5];
return [xt, yt]; return [xt, yt];
}; };
return constructor; return Util;
})(); })();
var PDFStringTranslateTable = [ var PDFStringTranslateTable = [
@ -197,7 +197,7 @@ function isPDFFunction(v) {
* can be set. If any of these happens twice or the data is required before * can be set. If any of these happens twice or the data is required before
* it was set, an exception is throw. * it was set, an exception is throw.
*/ */
var Promise = (function promise() { var Promise = (function PromiseClosure() {
var EMPTY_PROMISE = {}; var EMPTY_PROMISE = {};
/** /**

4
src/worker.js
Unescape View File

@ -83,8 +83,8 @@ var WorkerMessageHandler = {
} catch (e) { } catch (e) {
// Turn the error into an obj that can be serialized // Turn the error into an obj that can be serialized
e = { e = {
message: e.message, message: typeof e === 'object' ? e.message : e,
stack: e.stack stack: typeof e === 'object' ? e.stack : null
}; };
handler.send('page_error', { handler.send('page_error', {
pageNum: pageNum, pageNum: pageNum,

1
test/pdfs/.gitignore vendored
Unescape View File

@ -17,4 +17,5 @@
!devicen.pdf !devicen.pdf
!cmykjpeg.pdf !cmykjpeg.pdf
!issue840.pdf !issue840.pdf
!scan-bad.pdf
!freeculture.pdf !freeculture.pdf

BIN
test/pdfs/scan-bad.pdf
View File

Binary file not shown.

8
test/test.py
Unescape View File

@ -12,6 +12,7 @@ DOC_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__),".."))
ANAL = True ANAL = True
DEFAULT_MANIFEST_FILE = 'test_manifest.json' DEFAULT_MANIFEST_FILE = 'test_manifest.json'
EQLOG_FILE = 'eq.log' EQLOG_FILE = 'eq.log'
BROWSERLOG_FILE = 'browser.log'
REFDIR = 'ref' REFDIR = 'ref'
TMPDIR = 'tmp' TMPDIR = 'tmp'
VERBOSE = False VERBOSE = False
@ -229,6 +230,7 @@ class BaseBrowserCommand(object):
def setup(self): def setup(self):
self.tempDir = tempfile.mkdtemp() self.tempDir = tempfile.mkdtemp()
self.profileDir = os.path.join(self.tempDir, "profile") self.profileDir = os.path.join(self.tempDir, "profile")
self.browserLog = open(BROWSERLOG_FILE, "w")
def teardown(self): def teardown(self):
# If the browser is still running, wait up to ten seconds for it to quit # If the browser is still running, wait up to ten seconds for it to quit
@ -245,6 +247,8 @@ class BaseBrowserCommand(object):
if self.tempDir is not None and os.path.exists(self.tempDir): if self.tempDir is not None and os.path.exists(self.tempDir):
shutil.rmtree(self.tempDir) shutil.rmtree(self.tempDir)
self.browserLog.close()
def start(self, url): def start(self, url):
raise Exception("Can't start BaseBrowserCommand") raise Exception("Can't start BaseBrowserCommand")
@ -262,7 +266,7 @@ class FirefoxBrowserCommand(BaseBrowserCommand):
if platform.system() == "Darwin": if platform.system() == "Darwin":
cmds.append("-foreground") cmds.append("-foreground")
cmds.extend(["-no-remote", "-profile", self.profileDir, url]) cmds.extend(["-no-remote", "-profile", self.profileDir, url])
self.process = subprocess.Popen(cmds) self.process = subprocess.Popen(cmds, stdout = self.browserLog, stderr = self.browserLog)
class ChromeBrowserCommand(BaseBrowserCommand): class ChromeBrowserCommand(BaseBrowserCommand):
def _fixupMacPath(self): def _fixupMacPath(self):
@ -272,7 +276,7 @@ class ChromeBrowserCommand(BaseBrowserCommand):
cmds = [self.path] cmds = [self.path]
cmds.extend(["--user-data-dir=%s" % self.profileDir, cmds.extend(["--user-data-dir=%s" % self.profileDir,
"--no-first-run", "--disable-sync", url]) "--no-first-run", "--disable-sync", url])
self.process = subprocess.Popen(cmds) self.process = subprocess.Popen(cmds, stdout = self.browserLog, stderr = self.browserLog)
def makeBrowserCommand(browser): def makeBrowserCommand(browser):
path = browser["path"].lower() path = browser["path"].lower()

6
test/test_manifest.json
Unescape View File

@ -227,6 +227,12 @@
"rounds": 1, "rounds": 1,
"type": "load" "type": "load"
}, },
{ "id": "scan-bad",
"file": "pdfs/scan-bad.pdf",
"md5": "4cf988f01ab83f61aca57f406dfd6584",
"rounds": 1,
"type": "load"
},
{ "id": "ibwa-bad", { "id": "ibwa-bad",
"file": "pdfs/ibwa-bad.pdf", "file": "pdfs/ibwa-bad.pdf",
"md5": "6ca059d32b74ac2688ae06f727fee755", "md5": "6ca059d32b74ac2688ae06f727fee755",

5
web/viewer.html
Unescape View File

@ -27,9 +27,9 @@
<script type="text/javascript" src="../src/worker.js"></script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript" src="../src/worker.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript" src="../external/jpgjs/jpg.js"></script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript" src="../external/jpgjs/jpg.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript">PDFJS.workerSrc = '../src/worker_loader.js';</script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript">PDFJS.workerSrc = '../src/worker_loader.js';</script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript" src="viewer.js"></script> <script type="text/javascript" src="viewer.js"></script>
</head>
</head>
<body> <body>
<div id="controls"> <div id="controls">
@ -139,4 +139,3 @@
<div id="viewer"></div> <div id="viewer"></div>
</body> </body>
</html> </html>

96
web/viewer.js
Unescape View File

@ -359,6 +359,7 @@ var PDFView = {
outlineScrollView.setAttribute('hidden', 'true'); outlineScrollView.setAttribute('hidden', 'true');
thumbsSwitchButton.setAttribute('data-selected', true); thumbsSwitchButton.setAttribute('data-selected', true);
outlineSwitchButton.removeAttribute('data-selected'); outlineSwitchButton.removeAttribute('data-selected');
updateThumbViewArea();
break; break;
case 'outline': case 'outline':
thumbsScrollView.setAttribute('hidden', 'true'); thumbsScrollView.setAttribute('hidden', 'true');
@ -393,6 +394,34 @@ var PDFView = {
currentHeight += singlePage.height * singlePage.scale + kBottomMargin; currentHeight += singlePage.height * singlePage.scale + kBottomMargin;
} }
return visiblePages; return visiblePages;
},
getVisibleThumbs: function pdfViewGetVisibleThumbs() {
var thumbs = this.thumbnails;
var kBottomMargin = 5;
var visibleThumbs = [];
var view = document.getElementById('sidebarScrollView');
var currentHeight = kBottomMargin;
var top = view.scrollTop;
for (var i = 1; i <= thumbs.length; ++i) {
var thumb = thumbs[i - 1];
var thumbHeight = thumb.height * thumb.scaleY + kBottomMargin;
if (currentHeight + thumbHeight > top)
break;
currentHeight += thumbHeight;
}
var bottom = top + view.clientHeight;
for (; i <= thumbs.length && currentHeight < bottom; ++i) {
var singleThumb = thumbs[i - 1];
visibleThumbs.push({ id: singleThumb.id, y: currentHeight,
view: singleThumb });
currentHeight += singleThumb.height * singleThumb.scaleY + kBottomMargin;
}
return visibleThumbs;
} }
}; };
@ -591,6 +620,19 @@ var ThumbnailView = function thumbnailView(container, page, id, pageRatio) {
return false; return false;
}; };
var view = page.view;
this.width = view.width;
this.height = view.height;
this.id = id;
var maxThumbSize = 134;
var canvasWidth = pageRatio >= 1 ? maxThumbSize :
maxThumbSize * pageRatio;
var canvasHeight = pageRatio <= 1 ? maxThumbSize :
maxThumbSize / pageRatio;
var scaleX = this.scaleX = (canvasWidth / this.width);
var scaleY = this.scaleY = (canvasHeight / this.height);
var div = document.createElement('div'); var div = document.createElement('div');
div.id = 'thumbnailContainer' + id; div.id = 'thumbnailContainer' + id;
div.className = 'thumbnail'; div.className = 'thumbnail';
@ -605,11 +647,8 @@ var ThumbnailView = function thumbnailView(container, page, id, pageRatio) {
canvas.id = 'thumbnail' + id; canvas.id = 'thumbnail' + id;
canvas.mozOpaque = true; canvas.mozOpaque = true;
var maxThumbSize = 134; canvas.width = canvasWidth;
canvas.width = pageRatio >= 1 ? maxThumbSize : canvas.height = canvasHeight;
maxThumbSize * pageRatio;
canvas.height = pageRatio <= 1 ? maxThumbSize :
maxThumbSize / pageRatio;
div.setAttribute('data-loaded', true); div.setAttribute('data-loaded', true);
div.appendChild(canvas); div.appendChild(canvas);
@ -621,8 +660,6 @@ var ThumbnailView = function thumbnailView(container, page, id, pageRatio) {
ctx.restore(); ctx.restore();
var view = page.view; var view = page.view;
var scaleX = (canvas.width / page.width);
var scaleY = (canvas.height / page.height);
ctx.translate(-view.x * scaleX, -view.y * scaleY); ctx.translate(-view.x * scaleX, -view.y * scaleY);
div.style.width = (view.width * scaleX) + 'px'; div.style.width = (view.width * scaleX) + 'px';
div.style.height = (view.height * scaleY) + 'px'; div.style.height = (view.height * scaleY) + 'px';
@ -706,6 +743,9 @@ window.addEventListener('load', function webViewerLoad(evt) {
if ('disableWorker' in params) if ('disableWorker' in params)
PDFJS.disableWorker = params['disableWorker'] === 'true' ? true : false; PDFJS.disableWorker = params['disableWorker'] === 'true' ? true : false;
var sidebarScrollView = document.getElementById('sidebarScrollView');
sidebarScrollView.addEventListener('scroll', updateThumbViewArea, true);
}, true); }, true);
window.addEventListener('unload', function webViewerUnload(evt) { window.addEventListener('unload', function webViewerUnload(evt) {
@ -744,6 +784,29 @@ window.addEventListener('scroll', function webViewerScroll(evt) {
updateViewarea(); updateViewarea();
}, true); }, true);
var thumbnailTimer;
function updateThumbViewArea() {
// Only render thumbs after pausing scrolling for this amount of time
// (makes UI more responsive)
var delay = 50; // in ms
if (thumbnailTimer)
clearTimeout(thumbnailTimer);
thumbnailTimer = setTimeout(function() {
var visibleThumbs = PDFView.getVisibleThumbs();
for (var i = 0; i < visibleThumbs.length; i++) {
var thumb = visibleThumbs[i];
PDFView.thumbnails[thumb.id - 1].draw();
}
}, delay);
}
window.addEventListener('transitionend', updateThumbViewArea, true);
window.addEventListener('webkitTransitionEnd', updateThumbViewArea, true);
window.addEventListener('resize', function webViewerResize(evt) { window.addEventListener('resize', function webViewerResize(evt) {
if (document.getElementById('pageWidthOption').selected || if (document.getElementById('pageWidthOption').selected ||
document.getElementById('pageFitOption').selected) document.getElementById('pageFitOption').selected)
@ -784,25 +847,6 @@ window.addEventListener('change', function webViewerChange(evt) {
document.getElementById('download').setAttribute('hidden', 'true'); document.getElementById('download').setAttribute('hidden', 'true');
}, true); }, true);
window.addEventListener('transitionend', function webViewerTransitionend(evt) {
var pageIndex = 0;
var pagesCount = PDFView.pages.length;
var container = document.getElementById('sidebarView');
container._interval = window.setInterval(function interval() {
// skipping the thumbnails with set images
while (pageIndex < pagesCount && PDFView.thumbnails[pageIndex].hasImage)
pageIndex++;
if (pageIndex >= pagesCount) {
window.clearInterval(container._interval);
return;
}
PDFView.thumbnails[pageIndex++].draw();
}, 500);
}, true);
window.addEventListener('scalechange', function scalechange(evt) { window.addEventListener('scalechange', function scalechange(evt) {
var customScaleOption = document.getElementById('customScaleOption'); var customScaleOption = document.getElementById('customScaleOption');
customScaleOption.selected = false; customScaleOption.selected = false;

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