On Wed, Feb 4, 2009 at 2:46 PM, Alexander Larsson <al...@redhat.com> wrote: > On Wed, 2009-02-04 at 13:38 +0100, Alexander Larsson wrote: >> I found what I think is a bug in XCopyArea. >> >> If you copy a pixmap to a window and some of the copied area is outside >> the pixmap then that area in the destination window is cleared to the >> background color (and possibly graphics exposes are sent). >> >> If the GC has a clip region set so that the destination area that would >> contain data from outside the pixmap is clipped out, then I would expect >> it to not be cleared. >> >> However, that is not the case right now, even the clipped out area has >> the destination cleared to the window background. >> >> I'm attaching an xlib example. > > Oh, the same thing happens if the source is another window and not a > pixmap. > > _______________________________________________ > xorg mailing list > xorg@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/xorg >
Would this be the correct result? If so, then i know the cause of the problem. Maarten.
<<attachment: xbug.jpg>>
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