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Merge branch 'refs/heads/master' into issue-1049

Conflicts:
	src/canvas.js
This commit is contained in:
Artur Adib 2012-01-31 13:20:05 -05:00
commit 7873ec966b
22 changed files with 4646 additions and 101 deletions

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@ -550,7 +550,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var current = this.current;
if (!fontObj)
throw 'Can\'t find font for ' + fontRefName;
error('Can\'t find font for ' + fontRefName);
// Slice-clone matrix so we can manipulate it without affecting original
if (fontObj.fontMatrix)
@ -889,7 +889,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
} else if (IR[0] == 'RadialAxial' || IR[0] == 'Dummy') {
var pattern = Pattern.shadingFromIR(this.ctx, IR);
} else {
throw 'Unkown IR type';
error('Unkown IR type ' + IR[0]);
}
return pattern;
},

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@ -369,55 +369,16 @@ var DeviceCmykCS = (function DeviceCmykCSClosure() {
DeviceCmykCS.prototype = {
getRgb: function cmykcs_getRgb(color) {
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 x, r, g, b;
// this is a matrix multiplication, unrolled for performance
// code is taken from the poppler implementation
x = c1 * m1 * y1 * k1; // 0 0 0 0
r = g = b = x;
x = c1 * m1 * y1 * k; // 0 0 0 1
r += 0.1373 * x;
g += 0.1216 * x;
b += 0.1255 * x;
x = c1 * m1 * y * k1; // 0 0 1 0
r += x;
g += 0.9490 * x;
x = c1 * m1 * y * k; // 0 0 1 1
r += 0.1098 * x;
g += 0.1020 * x;
x = c1 * m * y1 * k1; // 0 1 0 0
r += 0.9255 * x;
b += 0.5490 * x;
x = c1 * m * y1 * k; // 0 1 0 1
r += 0.1412 * x;
x = c1 * m * y * k1; // 0 1 1 0
r += 0.9294 * x;
g += 0.1098 * x;
b += 0.1412 * x;
x = c1 * m * y * k; // 0 1 1 1
r += 0.1333 * x;
x = c * m1 * y1 * k1; // 1 0 0 0
g += 0.6784 * x;
b += 0.9373 * x;
x = c * m1 * y1 * k; // 1 0 0 1
g += 0.0588 * x;
b += 0.1412 * x;
x = c * m1 * y * k1; // 1 0 1 0
g += 0.6510 * x;
b += 0.3137 * x;
x = c * m1 * y * k; // 1 0 1 1
g += 0.0745 * x;
x = c * m * y1 * k1; // 1 1 0 0
r += 0.1804 * x;
g += 0.1922 * x;
b += 0.5725 * x;
x = c * m * y1 * k; // 1 1 0 1
b += 0.0078 * x;
x = c * m * y * k1; // 1 1 1 0
r += 0.2118 * x;
g += 0.2119 * x;
b += 0.2235 * x;
// CMYK -> CMY: http://www.easyrgb.com/index.php?X=MATH&H=14#text14
c = (c * (1 - k) + k);
m = (m * (1 - k) + k);
y = (y * (1 - k) + k);
// CMY -> RGB: http://www.easyrgb.com/index.php?X=MATH&H=12#text12
var r = (1 - c);
var g = (1 - m);
var b = (1 - y);
return [r, g, b];
},

View file

@ -410,14 +410,14 @@ var Page = (function PageClosure() {
if (callback)
callback(e);
else
throw e;
error(e);
}
}.bind(this),
function pageDisplayReadPromiseError(reason) {
if (callback)
callback(reason);
else
throw reason;
error(reason);
}
);
}
@ -620,7 +620,7 @@ var PDFDoc = (function PDFDocClosure() {
if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') {
var workerSrc = PDFJS.workerSrc;
if (typeof workerSrc === 'undefined') {
throw 'No PDFJS.workerSrc specified';
error('No PDFJS.workerSrc specified');
}
try {
@ -716,7 +716,7 @@ var PDFDoc = (function PDFDocClosure() {
});
break;
default:
throw 'Got unkown object type ' + type;
error('Got unkown object type ' + type);
}
}, this);
@ -737,7 +737,7 @@ var PDFDoc = (function PDFDocClosure() {
if (page.displayReadyPromise)
page.displayReadyPromise.reject(data.error);
else
throw data.error;
error(data.error);
}, this);
messageHandler.on('jpeg_decode', function(data, promise) {

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@ -2235,9 +2235,8 @@ var Font = (function FontClosure() {
}
// MacRoman encoding address by re-encoding the cmap table
unicode = glyphName in GlyphsUnicode ?
GlyphsUnicode[glyphName] :
this.glyphNameMap[glyphName];
unicode = glyphName in this.glyphNameMap ?
this.glyphNameMap[glyphName] : GlyphsUnicode[glyphName];
break;
default:
warn('Unsupported font type: ' + this.type);

1854
src/jpx.js Normal file

File diff suppressed because it is too large Load diff

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@ -574,7 +574,7 @@ var XRef = (function XRefClosure() {
var stream, parser;
if (e.uncompressed) {
if (e.gen != gen)
throw ('inconsistent generation in XRef');
error('inconsistent generation in XRef');
stream = this.stream.makeSubStream(e.offset);
parser = new Parser(new Lexer(stream), true, this);
var obj1 = parser.getObj();
@ -703,7 +703,7 @@ var PDFObjects = (function PDFObjectsClosure() {
// If there isn't an object yet or the object isn't resolved, then the
// data isn't ready yet!
if (!obj || !obj.isResolved) {
throw 'Requesting object that isn\'t resolved yet ' + objId;
error('Requesting object that isn\'t resolved yet ' + objId);
return null;
} else {
return obj.data;

View file

@ -240,6 +240,10 @@ var Parser = (function ParserClosure() {
var bytes = stream.getBytes(length);
return new JpegStream(bytes, stream.dict, this.xref);
}
if (name == 'JPXDecode' || name == 'JPX') {
var bytes = stream.getBytes(length);
return new JpxStream(bytes, stream.dict);
}
if (name == 'ASCII85Decode' || name == 'A85') {
return new Ascii85Stream(stream);
}

View file

@ -821,21 +821,25 @@ var JpegStream = (function JpegStreamClosure() {
JpegStream.prototype.ensureBuffer = function jpegStreamEnsureBuffer(req) {
if (this.bufferLength)
return;
var jpegImage = new JpegImage();
if (this.colorTransform != -1)
jpegImage.colorTransform = this.colorTransform;
jpegImage.parse(this.bytes);
var width = jpegImage.width;
var height = jpegImage.height;
var data = jpegImage.getData(width, height);
this.buffer = data;
this.bufferLength = data.length;
try {
var jpegImage = new JpegImage();
if (this.colorTransform != -1)
jpegImage.colorTransform = this.colorTransform;
jpegImage.parse(this.bytes);
var width = jpegImage.width;
var height = jpegImage.height;
var data = jpegImage.getData(width, height);
this.buffer = data;
this.bufferLength = data.length;
} catch (e) {
error('JPEG error: ' + e);
}
};
JpegStream.prototype.getIR = function jpegStreamGetIR() {
return bytesToString(this.bytes);
};
JpegStream.prototype.getChar = function jpegStreamGetChar() {
error('internal error: getChar is not valid on JpegStream');
error('internal error: getChar is not valid on JpegStream');
};
/**
* Checks if the image can be decoded and displayed by the browser without any
@ -869,6 +873,107 @@ var JpegStream = (function JpegStreamClosure() {
return JpegStream;
})();
/**
* For JPEG 2000's we use a library to decode these images and
* the stream behaves like all the other DecodeStreams.
*/
var JpxStream = (function JpxStreamClosure() {
function JpxStream(bytes, dict) {
this.dict = dict;
this.bytes = bytes;
DecodeStream.call(this);
}
JpxStream.prototype = Object.create(DecodeStream.prototype);
JpxStream.prototype.ensureBuffer = function jpxStreamEnsureBuffer(req) {
if (this.bufferLength)
return;
var jpxImage = new JpxImage();
jpxImage.parse(this.bytes);
var width = jpxImage.width;
var height = jpxImage.height;
var componentsCount = jpxImage.componentsCount;
if (componentsCount != 1 && componentsCount != 3 && componentsCount != 4)
error('JPX with ' + componentsCount + ' components is not supported');
var data = new Uint8Array(width * height * componentsCount);
for (var k = 0, kk = jpxImage.tiles.length; k < kk; k++) {
var tileCompoments = jpxImage.tiles[k];
var tileWidth = tileCompoments[0].width;
var tileHeight = tileCompoments[0].height;
var tileLeft = tileCompoments[0].left;
var tileTop = tileCompoments[0].top;
var dataPosition, sourcePosition, data0, data1, data2, data3, rowFeed;
switch (componentsCount) {
case 1:
data0 = tileCompoments[0].items;
dataPosition = width * tileTop + tileLeft;
rowFeed = width - tileWidth;
sourcePosition = 0;
for (var j = 0; j < tileHeight; j++) {
for (var i = 0; i < tileWidth; i++)
data[dataPosition++] = data0[sourcePosition++];
dataPosition += rowFeed;
}
break;
case 3:
data0 = tileCompoments[0].items;
data1 = tileCompoments[1].items;
data2 = tileCompoments[2].items;
dataPosition = (width * tileTop + tileLeft) * 3;
rowFeed = (width - tileWidth) * 3;
sourcePosition = 0;
for (var j = 0; j < tileHeight; j++) {
for (var i = 0; i < tileWidth; i++) {
data[dataPosition++] = data0[sourcePosition];
data[dataPosition++] = data1[sourcePosition];
data[dataPosition++] = data2[sourcePosition];
sourcePosition++;
}
dataPosition += rowFeed;
}
break;
case 4:
data0 = tileCompoments[0].items;
data1 = tileCompoments[1].items;
data2 = tileCompoments[2].items;
data3 = tileCompoments[3].items;
dataPosition = (width * tileTop + tileLeft) * 4;
rowFeed = (width - tileWidth) * 4;
sourcePosition = 0;
for (var j = 0; j < tileHeight; j++) {
for (var i = 0; i < tileWidth; i++) {
data[dataPosition++] = data0[sourcePosition];
data[dataPosition++] = data1[sourcePosition];
data[dataPosition++] = data2[sourcePosition];
data[dataPosition++] = data3[sourcePosition];
sourcePosition++;
}
dataPosition += rowFeed;
}
break;
}
}
this.buffer = data;
this.bufferLength = data.length;
};
JpxStream.prototype.getChar = function jpxStreamGetChar() {
error('internal error: getChar is not valid on JpxStream');
};
return JpxStream;
})();
var DecryptStream = (function DecryptStreamClosure() {
function DecryptStream(str, decrypt) {
this.str = str;

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@ -259,8 +259,8 @@ var Promise = (function PromiseClosure() {
return;
}
if (this._data !== EMPTY_PROMISE) {
throw 'Promise ' + this.name +
': Cannot set the data of a promise twice';
error('Promise ' + this.name +
': Cannot set the data of a promise twice');
}
this._data = value;
this.hasData = true;
@ -272,7 +272,7 @@ var Promise = (function PromiseClosure() {
get data() {
if (this._data === EMPTY_PROMISE) {
throw 'Promise ' + this.name + ': Cannot get data that isn\'t set';
error('Promise ' + this.name + ': Cannot get data that isn\'t set');
}
return this._data;
},
@ -287,10 +287,10 @@ var Promise = (function PromiseClosure() {
resolve: function promiseResolve(data) {
if (this.isResolved) {
throw 'A Promise can be resolved only once ' + this.name;
error('A Promise can be resolved only once ' + this.name);
}
if (this.isRejected) {
throw 'The Promise was already rejected ' + this.name;
error('The Promise was already rejected ' + this.name);
}
this.isResolved = true;
@ -304,10 +304,10 @@ var Promise = (function PromiseClosure() {
reject: function proimseReject(reason) {
if (this.isRejected) {
throw 'A Promise can be rejected only once ' + this.name;
error('A Promise can be rejected only once ' + this.name);
}
if (this.isResolved) {
throw 'The Promise was already resolved ' + this.name;
error('The Promise was already resolved ' + this.name);
}
this.isRejected = true;
@ -321,7 +321,7 @@ var Promise = (function PromiseClosure() {
then: function promiseThen(callback, errback) {
if (!callback) {
throw 'Requiring callback' + this.name;
error('Requiring callback' + this.name);
}
// If the promise is already resolved, call the callback directly.

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@ -26,7 +26,7 @@ function MessageHandler(name, comObj) {
delete callbacks[callbackId];
callback(data.data);
} else {
throw 'Cannot resolve callback ' + callbackId;
error('Cannot resolve callback ' + callbackId);
}
} else if (data.action in ah) {
var action = ah[data.action];
@ -44,7 +44,7 @@ function MessageHandler(name, comObj) {
action[0].call(action[1], data.data);
}
} else {
throw 'Unkown action from worker: ' + data.action;
error('Unkown action from worker: ' + data.action);
}
};
}
@ -53,7 +53,7 @@ MessageHandler.prototype = {
on: function messageHandlerOn(actionName, handler, scope) {
var ah = this.actionHandler;
if (ah[actionName]) {
throw 'There is already an actionName called "' + actionName + '"';
error('There is already an actionName called "' + actionName + '"');
}
ah[actionName] = [handler, scope];
},
@ -224,6 +224,7 @@ var workerConsole = {
action: 'console_error',
data: args
});
throw 'pdf.js execution error';
},
time: function time(name) {
@ -233,7 +234,7 @@ var workerConsole = {
timeEnd: function timeEnd(name) {
var time = consoleTimer[name];
if (time == null) {
throw 'Unkown timer name ' + name;
error('Unkown timer name ' + name);
}
this.log('Timer:', name, Date.now() - time);
}

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@ -23,7 +23,8 @@ var files = [
'pattern.js',
'stream.js',
'worker.js',
'../external/jpgjs/jpg.js'
'../external/jpgjs/jpg.js',
'jpx.js'
];
// Load all the files.