Making several images from frame buffers

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From: Bo Staahle (c960355++at++student.dtu.dk)
Date: 02/02/2000 02:54:37

Hello

I would like to know, how I can grap an image from the frame buffer in
a multi channel environment.

I am using pfuSaveImage and I have looked at the source in
/usr/share/Performer/src/lib/libpfutil/snapwin.c
but I didn't get any further.

I would like to grap an image for each of the channels.
If I have four channels, then I would like to save four images,
each showing whats in the specific channel.

Is this possible ?
If so how could I do it?
Does anybody have any small working examples? 

-- 
Bo Sixten Staahle         
mailto:c960355++at++student.dtu.dk, 
mailto:Bo.Sixten.Staahle++at++uni-c.dk

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