func BlotImageAlpha(dest Image, image Image, x, y int) { C.__BlotImage(dest, image, C.S_32(x), C.S_32(y), ALPHA_TRANSPARENT) }
func BlotImage(dest Image, source Image, x, y int) { C.__BlotImage(dest, source, C.S_32(x), C.S_32(y), 0) }