Some drawing engine code tuning
Some drawing engine code tuning

darcs-hash:20060811164545-4eba8-15ba1eab4d6897440293595c385319723362eed4.gz

p5n/notion,raboof/notion,p5n/notion,p5n/notion,dkogan/notion,neg-serg/notion,anoduck/notion,knixeur/notion,neg-serg/notion,knixeur/notion,dkogan/notion.xfttest,knixeur/notion,knixeur/notion,knixeur/notion,anoduck/notion,neg-serg/notion,anoduck/notion,raboof/notion,neg-serg/notion,anoduck/notion,dkogan/notion,anoduck/notion,p5n/notion,dkogan/notion,dkogan/notion,raboof/notion,dkogan/notion,raboof/notion,dkogan/notion.xfttest,p5n/notion,dkogan/notion.xfttest,dkogan/notion.xfttest