http://bugs.winehq.org/show_bug.cgi?id=4277
------- Additional Comments From damjan.jov@gmail.com 2007-08-08 02:25 ------- When you run the X server in 8 bit colour mode, wine returns the same results as Windows 98 and XP on your test. Why it returns the wrong values for 16 and 24 bit colour modes is a very good question...