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author | 2015-01-07 09:01:12 -0800 | |
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committer | 2015-01-07 09:01:13 -0800 | |
commit | 152f524fd325b7776b01f84afbfe2fa071648a05 (patch) | |
tree | 52255f53268067cf9e66272b67ca15711d8c4813 /src/effects/SkBlurMaskFilter.cpp | |
parent | bd0d9da981289504c9dcd8547eaad52b1f4a52cb (diff) |
It is dangerous to ignore SkRect::intersect's return value
Review URL: https://codereview.chromium.org/833943002
Diffstat (limited to 'src/effects/SkBlurMaskFilter.cpp')
-rw-r--r-- | src/effects/SkBlurMaskFilter.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/effects/SkBlurMaskFilter.cpp b/src/effects/SkBlurMaskFilter.cpp index aa576697e3..97ae436367 100644 --- a/src/effects/SkBlurMaskFilter.cpp +++ b/src/effects/SkBlurMaskFilter.cpp @@ -1184,7 +1184,9 @@ bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds, // Outset srcRect and clipRect by 3 * sigma, to compute affected blur area. srcRect.outset(sigma3, sigma3); clipRect.outset(sigma3, sigma3); - srcRect.intersect(clipRect); + if (!srcRect.intersect(clipRect)) { + srcRect.setEmpty(); + } *maskRect = srcRect; return true; } |