diff options
Diffstat (limited to 'src/effects')
| -rw-r--r-- | src/effects/SkMatrixConvolutionImageFilter.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/effects/SkMatrixConvolutionImageFilter.cpp b/src/effects/SkMatrixConvolutionImageFilter.cpp index 153c6f4c48..848676afaf 100644 --- a/src/effects/SkMatrixConvolutionImageFilter.cpp +++ b/src/effects/SkMatrixConvolutionImageFilter.cpp @@ -403,15 +403,16 @@ sk_sp<SkSpecialImage> SkMatrixConvolutionImageFilter::onFilterImage(SkSpecialIma dstBounds.offset(-inputOffset); srcBounds.offset(-inputOffset); - SkIRect interior = SkIRect::MakeXYWH(dstBounds.left() + fKernelOffset.fX, - dstBounds.top() + fKernelOffset.fY, - dstBounds.width() - fKernelSize.fWidth + 1, - dstBounds.height() - fKernelSize.fHeight + 1); - + SkIRect interior; if (kRepeat_TileMode == fTileMode) { - // In repeat mode the above computation of interior can exceed the bounds of 'dst'. - interior.sort(); - interior.intersect(dstBounds); + // In repeat mode, the filterPixels calls will wrap around + // so we just need to render 'dstBounds' + interior = dstBounds; + } else { + interior = SkIRect::MakeXYWH(dstBounds.left() + fKernelOffset.fX, + dstBounds.top() + fKernelOffset.fY, + dstBounds.width() - fKernelSize.fWidth + 1, + dstBounds.height() - fKernelSize.fHeight + 1); } SkIRect top = SkIRect::MakeLTRB(dstBounds.left(), dstBounds.top(), |