http://bugs.winehq.org/show_bug.cgi?id=421
--- Comment #363 from Gustavo gugamilare@gmail.com 2010-05-25 08:59:46 --- Ok, I've redone the regression test. It seems I had forgotten to patch the source in the last 2 tests. I missed by a few commits only, so I did it by hand.
The bad commit is f2b993d414517037cf064e9aed954cdae96646f5
commit f2b993d414517037cf064e9aed954cdae96646f5 Author: Alexandre Julliard julliard@winehq.org Date: Fri May 14 20:19:58 2010 +0200
comctl32/imagelist: Pre-multiply the colors by the alpha channel when storing an image with alpha.