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Re: DirectColor on linux [message #18072 is a reply to message #17993] Tue, 23 November 1999 00:00 Go to previous messageGo to previous message
davidf is currently offline  davidf
Messages: 2866
Registered: September 1996
Senior Member
Vincent Favre-Nicolin (favre@polycnrs-gre.fr) writes:

> Well, I woul like very much not using XOR, but then
> I would have to redisplay the image (they can be up to 5000x3500,float)
> each time I add some text on it. A bit time and memory-consuming...

Well, not really. With Device Copy you can repair just
that portion of the window that you drew something on.
That is usually an extremely small region (e.g., a
selection box, maybe). This is absolutely lickity-split.
It takes no time at all. Even on a 5000 x 3500 image. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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