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common paint: fix invalid memory access in unit test

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casting the paint to shape is not allowed if the compositor target
is not shape, here it concretely checking the the type before casting....
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Hermet Park 2021-11-12 16:37:10 +09:00 • committed by Hermet Park
parent d520da2db8
commit b1604e2ec7
1 changed files with 1 additions and 1 deletions
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src/lib/tvgPaint.cpp
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@ -206,7 +206,7 @@ void* Paint::Impl::update(RenderMethod& renderer, const RenderTransform* pTransf
we can avoid regular ClipPath / AlphaMasking sequence but use viewport for performance */ we can avoid regular ClipPath / AlphaMasking sequence but use viewport for performance */
auto tryFastTrack = false; auto tryFastTrack = false;
if (cmpMethod == CompositeMethod::ClipPath) tryFastTrack = true; if (cmpMethod == CompositeMethod::ClipPath) tryFastTrack = true;
else if (cmpMethod == CompositeMethod::AlphaMask) { else if (cmpMethod == CompositeMethod::AlphaMask && cmpTarget->identifier() == TVG_CLASS_ID_SHAPE) {
auto shape = static_cast<Shape*>(cmpTarget); auto shape = static_cast<Shape*>(cmpTarget);
uint8_t a; uint8_t a;
shape->fillColor(nullptr, nullptr, nullptr, &a); shape->fillColor(nullptr, nullptr, nullptr, &a);