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Skia Fiddle
Skia Version:
4b567c
void draw(SkCanvas* canvas) { SkBitmap bitmap; bitmap.setInfo(SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType)); bitmap.allocPixels(); bitmap.eraseColor(SK_ColorRED); canvas->scale(16, 16); canvas->drawBitmap(bitmap, 0, 0); *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorBLUE); canvas->drawBitmap(bitmap, 2, 0); bitmap.setIsVolatile(true); *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorGREEN); canvas->drawBitmap(bitmap, 4, 0); }
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