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Bug 676690 - Don't release DataSourceSurface pointers until we have finished accessing the pixels. r=Bas

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This commit is contained in:
Matt Woodrow 2011-09-14 16:16:23 -07:00
parent 58225fa30e
commit 420d8a8863
1 changed files with 3 additions and 2 deletions
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5
content/canvas/src/nsCanvasRenderingContext2DAzure.cpp
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@ -4098,11 +4098,12 @@ nsCanvasRenderingContext2DAzure::GetImageData_explicit(PRInt32 x, PRInt32 y, PRU
PRUint8 *src = aData;
PRUint32 srcStride = w * 4;
RefPtr<DataSourceSurface> readback;
if (!srcReadRect.IsEmpty()) {
RefPtr<SourceSurface> snapshot = mTarget->Snapshot();
RefPtr<DataSourceSurface> readback = snapshot->GetDataSurface();
readback = snapshot->GetDataSurface();
srcStride = readback->Stride();
src = readback->GetData() + srcReadRect.y * srcStride + srcReadRect.x * 4;