BLOW_DEFINE_EFFECT2(blur,` int i=width+1; for(int y=height-2;y>0;y--){ for(int x=width-2;x>0;x--){ int rb=(src[i-width]&0xFF00FF); rb+=(src[i+width]&0xFF00FF); rb+=(src[i-1]&0xFF00FF); rb+=(src[i+1]&0xFF00FF); rb/=4; rb&=0xFF00FF; int g=(src[i-width]&0xFF00); g+=(src[i+width]&0xFF00); g+=(src[i-1]&0xFF00); g+=(src[i+1]&0xFF00); g/=4; g&=0x00FF00; dest[i++]=rb|g; } i+=2; } ')