ZenBrowserMirrors/pdf.js
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First stage of trying to support smasks on native jpegs.

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This commit is contained in:
Brendan Dahl 2011-12-07 15:36:27 -08:00
parent c615342962
commit 2a632d4ab2
6 changed files with 109 additions and 48 deletions
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17
src/evaluator.js
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@ -179,21 +179,24 @@ var PartialEvaluator = (function partialEvaluator() {
return loadedName;
}
function buildPaintImageXObject(image, inline) {
function buildPaintImageXObject(image, inline) {
var dict = image.dict;
var w = dict.get('Width', 'W');
var h = dict.get('Height', 'H');
fn = 'paintImageXObject';
if (image instanceof JpegStream && image.isNative) {
var objId = 'img_' + uniquePrefix + (++self.objIdCounter);
handler.send('obj', [objId, 'JpegStream', image.getIR()]);
debugger;
handler.send('jpeg_decode', [image.getIR()], function(data) {
handler.send('obj', [objId, 'Jpeg', data]);
});
// Add the dependency on the image object.
insertDependency([objId]);
// The normal fn.
fn = 'paintJpegXObject';
args = [objId, w, h];
args = ['jpeg', [objId, w, h]];
return;
}
@ -220,8 +223,7 @@ var PartialEvaluator = (function partialEvaluator() {
var pixels = imgData.data;
imageObj.fillRgbaBuffer(pixels, imageObj.decode);
fn = 'paintImageXObject';
args = [imgData];
args = ['normal', [imgData]];
return;
}
@ -230,7 +232,6 @@ var PartialEvaluator = (function partialEvaluator() {
// data can't be done here. Instead of creating a
// complete PDFImage, only read the information needed
// for later.
fn = 'paintImageMaskXObject';
var width = dict.get('Width', 'W');
var height = dict.get('Height', 'H');
@ -239,7 +240,7 @@ var PartialEvaluator = (function partialEvaluator() {
var decode = dict.get('Decode', 'D');
var inverseDecode = !!decode && decode[0] > 0;
args = [imgArray, inverseDecode, width, height];
args = ['imageMask', [imgArray, inverseDecode, width, height]];
}
uniquePrefix = uniquePrefix || '';