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Home » U++ Library support » U++ Widgets - General questions or Mixed problems » DockCtrl (A dockable window widget for U++)
Re: DockCtrl (A dockable window widget for U++) [message #11863 is a reply to message #11859] Fri, 28 September 2007 18:24 Go to previous messageGo to previous message
mirek is currently offline  mirek
Messages: 13980
Registered: November 2005
Ultimate Member
unodgs wrote on Fri, 28 September 2007 10:00

Quote:

Interesting, what xor rectangle?

Xor works perfectly if border of rectangle is 1 pixel width. If it is more than 1 pixel and you move rectnagle by 1 pixel for example rectangle must flicker - overlaping border parts are deleted and then repainted in the same position.


AFAIK not with

Quote:


void DrawDragRect(Draw& w, const Rect& _rect1, const Rect& _rect2, const Rect& _clip, int n, Color color, uint64 pattern)



Search it in CtrlCore for usage, this should be flicker-free - it works by xoring only "new" parts of rectangle - overlapping parts are NOT deleted Smile

Mirek
 
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