#ifndef __PIXELS_COMPOSITION_PREMULTIPLIED_32_H__ #define __PIXELS_COMPOSITION_PREMULTIPLIED_32_H__ #include "Functions.h" #include "CompositionFast.h" static Pixel SourceOverCompositionMode(Pixel below,Pixel above) { int r1=ExtractRawRed(below); int g1=ExtractRawGreen(below); int b1=ExtractRawBlue(below); int a1=ExtractRawAlpha(below); int r2=ExtractRawRed(above); int g2=ExtractRawGreen(above); int b2=ExtractRawBlue(above); int a2=ExtractRawAlpha(above); int r=r2+PixelMul(255-a2,r1); int g=g2+PixelMul(255-a2,g1); int b=b2+PixelMul(255-a2,b1); int a=a2+PixelMul(255-a2,a1); return RawRGBA(r,g,b,a); } #endif