(one day I'll rewrite this cleanly to avoid unwanted paint events

Michael> the rotation thing shouldn't be too difficult to do - I'm more concerned with the gamma correction (and I think it's more a ScummVM feature than a port specific feature as lot of systems could be interested by it ... posting it on ScummVM forum is probably a good idea)
esw> ok, I didn't recheck it (as you've noticed the files are big
