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Skia Fiddle
Skia Version:
f153e2
void draw(SkCanvas* canvas) { auto check_isopaque = [](const SkImageInfo& imageInfo) -> void { auto surface(SkSurface::MakeRaster(imageInfo)); auto image(surface->makeImageSnapshot()); SkDebugf("isOpaque = %s\n", image->isOpaque() ? "true" : "false"); }; check_isopaque(SkImageInfo::MakeN32Premul(5, 5)); check_isopaque(SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType)); }
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