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From: klee@wsl.dec.com (Ken Lee)
Newsgroups: comp.windows.x
Subject: Re: Getting the color of a pixel in a pixmap???
Message-ID: <1991Apr10.111343@wsl.dec.com>
Date: 10 Apr 91 18:13:43 GMT
References: <1991Apr10.162147.13975@ux1.cso.uiuc.edu>
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Organization: DEC Western Software Laboratory
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In article <1991Apr10.162147.13975@ux1.cso.uiuc.edu>, CWIKLA@uimrl7.mrl.uiuc.edu (John/Consultant) writes:
|> 
|> 	Am I correct in thinking that the only way to get the color
|> of a pixel in a pixmap is to put it into an XImage structure, and then
|> use the XGetPixel function? 

XGetImage is the most reliable way to get the data to the client.  You
can use XGetPixel or other similar methods to get the individual pixel
values.  The actual colors associated with the pixel values depend on
the current colormap.

-- 
Ken Lee
DEC Western Software Laboratory, Palo Alto, Calif.
Internet: klee@wsl.dec.com
uucp: uunet!decwrl!klee