On Tue, Mar 11, 2003 at 07:05:03PM +0100, Raphaël Quinet wrote: > It works that way because the GIMP uses post-multiplied alpha and you > know it. If we were having this discussion about a program that uses > pre-multiplied alpha (this is common in game editors, for example), > then things would be very different. The apps with pre-multiplied alpha are lossy, and they know it. They do it because it's faster, or just because it's become traditional. We should not model ourselves on them IMHO. Nick.
