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Reuse the row Uint8Array in JBIG2's decodeBitmap

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p01 2014-03-07 17:30:24 +01:00
parent b2b3836683
commit 840d9d40b6
1 changed files with 3 additions and 2 deletions
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5
src/core/jbig2.js
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@ -273,6 +273,7 @@ var Jbig2Image = (function Jbig2ImageClosure() {
var sbb_right = width - maxX;
var pseudoPixelContext = ReusedContexts[templateIndex];
var row = new Uint8Array(width);
var bitmap = [];
var decoder = decodingContext.decoder;
@ -284,11 +285,11 @@ var Jbig2Image = (function Jbig2ImageClosure() {
var sltp = decoder.readBit(contexts, pseudoPixelContext);
ltp ^= sltp;
if (ltp) {
bitmap[i] = row;//bitmap[i - 1]); // duplicate previous row
bitmap.push(row); // duplicate previous row
continue;
}
}
var row = new Uint8Array(width);
row = new Uint8Array(row);
bitmap.push(row);
for (j = 0; j < width; j++) {
if (useskip && skip[i][j]) {