vcl/skia/gdiimpl.cxx | 2 ++
1 file changed, 2 insertions(+)
New commits:
commit 1cd7e2a4042b92123d8c94ef10b2e8baf7cfaafa
Author: Luboš Luňák <[email protected]>
AuthorDate: Tue Sep 29 09:52:05 2020 +0200
Commit: Luboš Luňák <[email protected]>
CommitDate: Tue Sep 29 10:33:42 2020 +0200
avoid crash if DrawTransformedBitmap() would mean empty Skia bitmap
I can reproduce this sometimes with the document from tdf#136223.
Change-Id: Ie6e57f18936a5de7f99ab01932be229625b737c1
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103596
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <[email protected]>
diff --git a/vcl/skia/gdiimpl.cxx b/vcl/skia/gdiimpl.cxx
index 0fff8776fe8f..ade34a6e8b01 100644
--- a/vcl/skia/gdiimpl.cxx
+++ b/vcl/skia/gdiimpl.cxx
@@ -1484,6 +1484,8 @@ sk_sp<SkImage>
SkiaSalGraphicsImpl::mergeCacheBitmaps(const SkiaSalBitmap& bitma
// GPU-accelerated drawing with SkShader should be fast enough to not need
caching.
if (isGPU())
return image;
+ if (targetSize.IsEmpty())
+ return image;
if (alphaBitmap && alphaBitmap->IsFullyOpaqueAsAlpha())
alphaBitmap = nullptr; // the alpha can be ignored
// Probably not much point in caching of just doing a copy.
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