diff options
Diffstat (limited to 'src/effects/SkBlurImageFilter.cpp')
| -rw-r--r-- | src/effects/SkBlurImageFilter.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/effects/SkBlurImageFilter.cpp b/src/effects/SkBlurImageFilter.cpp index 3e60c9bb87..5d9a077d43 100644 --- a/src/effects/SkBlurImageFilter.cpp +++ b/src/effects/SkBlurImageFilter.cpp @@ -224,6 +224,17 @@ bool SkBlurImageFilter::onFilterImage(Proxy* proxy, return true; } + +void SkBlurImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const { + if (getInput(0)) { + getInput(0)->computeFastBounds(src, dst); + } else { + *dst = src; + } + + dst->outset(SkScalarMul(fSigma.width(), SkIntToScalar(3)), + SkScalarMul(fSigma.height(), SkIntToScalar(3))); +} bool SkBlurImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, SkBitmap* result, SkIPoint* offset) { #if SK_SUPPORT_GPU |