[cairo-bugs] [Bug 10329] add support for "recursive" xlib surfaces

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon May 28 09:23:23 PDT 2007


------- Comment #13 from mathias.hasselmann at gmx.de  2007-05-28 09:23 PST -------
(In reply to comment #12)
> if you try to use cairo to draw in this way you will find that your drawing is
> simply overwritten on the next expose event...
Yes I know, but that it easy to handle: You just use your expose handler(s) to
add an idle handler which actually does the drawing. Proof of concept here (for
GdkGC based drawing):

> you're better to use the composite support being added to gdk.  see here:
> http://bugzilla.gnome.org/show_bug.cgi?id=412882

Composite desktops are not the default yet and considering all the driver
problems we have on X11 I doubt they will become the default quickly. So 
IncludeInferiors drawing is very usefull still.

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