http://bugs.winehq.org/show_bug.cgi?id=21114
Nikolay Sivov bunglehead@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Component|-unknown |gdiplus
--- Comment #5 from Nikolay Sivov bunglehead@gmail.com 2009-12-22 05:59:01 --- --- trace:gdiplus:GdipSetSmoothingMode (0x4880390, 2) ---
Which means SmoothingModeHighQuality. So yes, it looks like gdiplus deficiency.