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Screenshot of a window containing an NSOpenGLView



Hi guys (and girls, if any of you are lurking out there :)), 

Why is it not possible to take a screenshot of a window containing an
NSOpenGLView?

Take for instance the /Developer/Examples/OpenGL/Cocoa/CocoaGL/
example... start Grab, select "Capture - Window" - the result is a
window with the area covered by the OpenGL view being completely
empty. Use Capture - Selection - no problem, everything works fine,
you get the content of the GLview. (Same behaviour with
Command-Shift-4.)

Can somebody explain to me what is going on here, and if there is a
way to work around that problem?

Cheers, kyrah

-- 
We are Elektropeople for a better living.

Karin Kosina, KSC (vka kyrah)
http://kyrah.net
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