[Gimp-developer] Reference on Opacity variations in merging modes

2009-04-24 Thread Alchemie foto\grafiche
I found the algorithms of many merging mode BUT all the the formula there do not take opacity into account so as now the blending may be done only at 100% opacity (btw is for a blending filter , that allow to merge also in mode not available in Gimp obviously the result, the output is the

Re: [Gimp-developer] Reference on Opacity variations in merging modes

2009-04-24 Thread David Gowers
On Sat, Apr 25, 2009 at 12:05 AM, Alchemie foto\grafiche fotocom...@yahoo.it wrote: I found the algorithms of many merging mode BUT all the the formula there do not take opacity into account so as now the blending may be done only at 100% opacity (btw is for a blending filter , that  allow