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sw_engine: hanndle empty clips

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Generating the outline may return false, e.g., if the shape
is completely trimmed. If such a shape was used as a clip,
an attempt to generate 'rle' will still be made. In such a case,
a crash will occur because the outline is nullptr.
This commit is contained in:
Mira Grudzinska 2025-02-27 08:57:11 +01:00
parent 572e5ef9b1
commit c6960502eb
1 changed files with 2 additions and 0 deletions
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src/renderer/sw_engine/tvgSwRle.cpp
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@ -866,6 +866,8 @@ void _replaceClipSpan(SwRle *rle, SwSpan* clippedSpans, uint32_t size)
SwRle* rleRender(SwRle* rle, const SwOutline* outline, const SwBBox& renderRegion, bool antiAlias) SwRle* rleRender(SwRle* rle, const SwOutline* outline, const SwBBox& renderRegion, bool antiAlias)
{ {
if (!outline) return nullptr;
constexpr auto RENDER_POOL_SIZE = 16384L; constexpr auto RENDER_POOL_SIZE = 16384L;
constexpr auto BAND_SIZE = 40; constexpr auto BAND_SIZE = 40;