Everything I tested.
What does not
Nothing I tested.
What was not tested
I tested all drawing tools, saving, loading, rotating, moving and scaling a selection, scaling the view and most of the available user interface elements.
To get it to run, I had to use winetricks as suggested by Louis Lenders: sh winetricks gdiplus
|Ubuntu 8.04 "Hardy" i386 (+ variants like Kubuntu)
|May 17 2008
|an anonymous user