Function surfacecpyTransparent

LibLemon/src/gfx/graphics.cpp:284–299

    }

    void surfacecpyTransparent(surface_t* dest, surface_t* src, vector2i_t offset){
        uint32_t* srcBuffer = (uint32_t*)src->buffer;
        uint32_t* destBuffer = (uint32_t*)dest->buffer;
        for(int i = 0; i < src->height && i < dest->height - offset.y; i++){
            for(int j = 0; j < src->width && j < dest->width - offset.x; j++){
                uint32_t sPixel = (srcBuffer[i*src->width + j]);
                if(!((sPixel >> 24) & 0xFF)) continue; // Check for 0 alpha

                if(((sPixel >> 24) & 0xFF) >= 255){ // Check for full alpha
                    destBuffer[(i+offset.y)*dest->width + j + offset.x] = srcBuffer[i*src->width + j];
                } else {
                    destBuffer[(i+offset.y)*dest->width + j + offset.x] = AlphaBlend(destBuffer[(i+offset.y)*dest->width + j + offset.x], (sPixel >> 16) & 0xFF, (sPixel >> 8) & 0xFF, sPixel & 0xFF, ((sPixel >> 24) & 0xFF) * 1.0 / 255);
                }
            }
        }
    }
    
    void surfacecpyTransparent(surface_t* dest, surface_t* src, vector2i_t offset, rect_t srcRegion){
        int srcWidth = (srcRegion.pos.x + srcRegion.size.x) > src->width ? (src->width - srcRegion.pos.x) : srcRegion.size.x;