http://bugs.winehq.org/show_bug.cgi?id=3902
------- Additional Comments From mike@codeweavers.com 2006-16-10 10:40 -------
http://www.winehq.org/pipermail/wine-devel/2006-October/051797.html
Alexandre says: "A bigger problem is that you also need to handle the clip region of the destination DC, and only copy the pixels that aren't clipped out."