diff options
Diffstat (limited to 'skia/effects/SkBlurMask.cpp')
| -rw-r--r-- | skia/effects/SkBlurMask.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/skia/effects/SkBlurMask.cpp b/skia/effects/SkBlurMask.cpp index a7b3202..d60288b 100644 --- a/skia/effects/SkBlurMask.cpp +++ b/skia/effects/SkBlurMask.cpp @@ -234,10 +234,15 @@ bool SkBlurMask::Blur(SkMask* dst, const SkMask& src, if (src.fImage) { + size_t dstSize = dst->computeImageSize(); + if (0 == dstSize) { + return false; // too big to allocate, abort + } + int sw = src.fBounds.width(); int sh = src.fBounds.height(); const uint8_t* sp = src.fImage; - uint8_t* dp = SkMask::AllocImage(dst->computeImageSize()); + uint8_t* dp = SkMask::AllocImage(dstSize); SkAutoTCallVProc<uint8_t, SkMask_FreeImage> autoCall(dp); @@ -258,7 +263,11 @@ bool SkBlurMask::Blur(SkMask* dst, const SkMask& src, // the blur into it (applying the src) if (style == kInner_Style) { - dst->fImage = SkMask::AllocImage(src.computeImageSize()); + size_t srcSize = src.computeImageSize(); + if (0 == srcSize) { + return false; // too big to allocate, abort + } + dst->fImage = SkMask::AllocImage(srcSize); merge_src_with_blur(dst->fImage, sp, sw, sh, dp + rx + ry*dst->fBounds.width(), dst->fBounds.width()); |