Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #4346 from p01/patch-2

Browse Source 
Fill the initial JBIG2 buffer with 0xFF only if defaultPixelValue is set
This commit is contained in:
Yury Delendik 2014-02-27 12:01:20 -06:00
commit 4763e3fe51
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/core/jbig2.js
View File

@ -994,9 +994,13 @@ var Jbig2Image = (function Jbig2ImageClosure() {
this.currentPageInfo = info; this.currentPageInfo = info;
var rowSize = (info.width + 7) >> 3; var rowSize = (info.width + 7) >> 3;
var buffer = new Uint8Array(rowSize * info.height); var buffer = new Uint8Array(rowSize * info.height);
var fill = info.defaultPixelValue ? 0xFF : 0; // The contents of ArrayBuffers are initialized to 0.
for (var i = 0, ii = buffer.length; i < ii; i++) // Fill the buffer with 0xFF only if info.defaultPixelValue is set
buffer[i] = fill; if (info.defaultPixelValue) {
for (var i = 0, ii = buffer.length; i < ii; i++) {
buffer[i] = 0xFF;
}
}
this.buffer = buffer; this.buffer = buffer;
}, },
drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) { drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {