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VM and Colors (again) [message #39434]

Tue, 18 May 2004 15:34

JD Smith
Messages: 850
Registered: December 1999

Senior Member

Has anyone had trouble with apps running under the VM causing bizarre
colormap flashing on 24bit displays? This is 6.0.3, and the VM fixes
there have had no effect. I think the issue is that this X display driver
offers DirectColor modes, which IDL is happily choosing. Sadly, they
don't work too well and cause lots of screen flashing. I wonder if people
can report what happens with:

device,DECOMPOSED=0,RETAIN=2,TRUE=24

in the startup on various systems (8,16bit, various visuals, etc.). If I
use this, the flashing disappears (only if TRUE=24 is there). I need to
come up with something useful for a VM application, where the user's IDL
startup file is not consulted.

JD

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