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

Move putImageData

Browse Source
This commit is contained in:
Yury Delendik 2012-05-28 15:10:44 -05:00
parent 81681e7914
commit 50b86ff480
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/canvas.js
View File

@ -1150,17 +1150,17 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
applyStencilMask(pixels, inverseDecode); applyStencilMask(pixels, inverseDecode);
tmpCtx.putImageData(imgData, 0, 0);
var currentTransform = ctx.mozCurrentTransformInverse; var currentTransform = ctx.mozCurrentTransformInverse;
var widthScale = Math.max(Math.abs(currentTransform[0]), 1); var widthScale = Math.max(Math.abs(currentTransform[0]), 1);
var heightScale = Math.max(Math.abs(currentTransform[3]), 1); var heightScale = Math.max(Math.abs(currentTransform[3]), 1);
if (widthScale >= 2 || heightScale >= 2) { if (widthScale >= 2 || heightScale >= 2) {
// canvas does not resize large images to small -- using simple // canvas does not resize well large images to small -- using simple
// algorithm to perform pre-scaling // algorithm to perform pre-scaling
tmpCanvas = rescaleImage(imgData.data, widthScale, heightScale); tmpCanvas = rescaleImage(imgData.data, widthScale, heightScale);
ctx.scale(widthScale, heightScale); ctx.scale(widthScale, heightScale);
ctx.drawImage(tmpCanvas, 0, -h / heightScale); ctx.drawImage(tmpCanvas, 0, -h / heightScale);
} else } else
tmpCtx.putImageData(imgData, 0, 0);
ctx.drawImage(tmpCanvas, 0, -h); ctx.drawImage(tmpCanvas, 0, -h);
this.restore(); this.restore();
}, },