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hack around OOM problem due to broken pattern code

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This commit is contained in:
Andreas Gal 2011-06-25 00:17:28 -04:00
parent 98b2c4784d
commit 8c2804145c
1 changed files with 8 additions and 4 deletions
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pdf.js
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@ -3030,10 +3030,14 @@ var CanvasGraphics = (function() {
// we want the canvas to be as large as the step size // we want the canvas to be as large as the step size
var botRight = applyMatrix([x0 + xstep, y0 + ystep], matrix); var botRight = applyMatrix([x0 + xstep, y0 + ystep], matrix);
var tmpCanvas = new this.ScratchCanvas( var width = botRight[0] - topLeft[0];
Math.ceil(botRight[0] - topLeft[0]), // width var height = botRight[1] - topLeft[1];
Math.ceil(botRight[1] - topLeft[1]) // height
); // TODO: hack to avoid OOM, remove then pattern code is fixed
if (Math.abs(width) > 8192 || Math.abs(height) > 8192)
return false;
var tmpCanvas = new this.ScratchCanvas(width, height);
// set the new canvas element context as the graphics context // set the new canvas element context as the graphics context
var tmpCtx = tmpCanvas.getContext("2d"); var tmpCtx = tmpCanvas.getContext("2d");