http://bugs.winehq.org/show_bug.cgi?id=421
--- Comment #369 from Gustavo gugamilare@gmail.com 2010-05-25 19:28:24 --- It is the first time I trace a function in Wine, so I'm not sure if I did it right. I ran the rest with WINEDEBUG=trace+all and used grep to extract the lines with StretchDIBits.