Then there would be no need of parsing.

  You would need _two_ bitmaps (e.g. mask and cursor, so that mask=1 gives
transparent, mask=0 cursor=0 gives black and mask=0 cursor=1 gives white).

Yes, but it's still packed more efficiently.

Well. You can't have both. We can have a efficiently packed format (i.e. two bitmaps). Or we can do it in a way which doesn't need parsing, but that wouldn't be the most compact format ...

There's yet another way:
#define _ 0,
#define X 0xff000000,
#define o 0xffffffff,
{
  _ _ _ X o X _ _ _
}
#undef _
#undef X
#undef o

Neat idea ;)

cheers,
  Gerd


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