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Balance smask process chunking

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Yury Delendik 2014-02-13 08:37:19 -06:00
parent 1e8d70af98
commit 944219ad8a
1 changed files with 2 additions and 1 deletions
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src/display/canvas.js
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@ -652,7 +652,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
}
// processing image in chunks to save memory
var chunkSize = 16;
var PIXELS_TO_PROCESS = 65536;
var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
for (var row = 0; row < height; row += chunkSize) {
var chunkHeight = Math.min(chunkSize, height - row);
var maskData = maskCtx.getImageData(0, row, width, chunkHeight);