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Added missing validation

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BUG=433359

Review URL: https://codereview.chromium.org/729583002
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sugoi 2014-11-17 05:45:55 -08:00 committed by Commit bot
parent 0a81f1ee0e
commit 1379b87ae4
1 changed files with 4 additions and 0 deletions
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4
src/effects/SkMatrixConvolutionImageFilter.cpp
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@ -67,6 +67,10 @@ SkMatrixConvolutionImageFilter* SkMatrixConvolutionImageFilter::Create(
if (!kernel) {
return NULL;
}
if ((kernelOffset.fX < 0) || (kernelOffset.fX >= kernelSize.fWidth) ||
(kernelOffset.fY < 0) || (kernelOffset.fY >= kernelSize.fHeight)) {
return NULL;
}
return SkNEW_ARGS(SkMatrixConvolutionImageFilter, (kernelSize, kernel, gain, bias,
kernelOffset, tileMode, convolveAlpha,
input, cropRect, uniqueID));