1 /* Like copyXPMArea, but only copies non-masked pixels */
2 void combineWithTrans(int sx
, int sy
, unsigned w
, unsigned h
, int dx
, int dy
);
4 /* Like combineWithTrans, except it combines pixels by this formula:
5 * new = (src * o + dest * (256 - o)) / 256
7 void combineWithOpacity(int sx
, int sy
, unsigned w
, unsigned h
, int dx
, int dy
, int o
);