Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!mayoff
From: mayoff@cs.utexas.edu (Robert Mayoff)
Newsgroups: comp.windows.x
Subject: Re: XImage help
Message-ID: <1313@paducah.cs.utexas.edu>
Date: 10 Apr 91 17:21:08 GMT
References: <JWZ.91Apr7030728@thalidomide.lucid.com>
Organization: Dept of Computer Sciences, UTexas, Austin
Lines: 16

In article <JWZ.91Apr7030728@thalidomide.lucid.com> jwz@lucid.com (Jamie Zawinski) writes:
>Say I've got an XImage structure that I've read from a file.
>What's the best way to display that in a window, when the 
>current display doesn't necessarily have the same depth as
>the XImage does?  Let's assume the display is at least as
>deep as the image.

I haven't tried this yet (although I'm working on a program with a
similar problem, so I will soon), but I'd suggest that you simply
create a pixmap with the same depth as the image, and XPutImage to that
auxiliary pixmap.  Then just XCopyPlane from the auxiliary pixmap to
your window.
-- 
/_  rob		<mayoff@cs.utexas.edu>
 /_ Fun things to do with UNIX (#2 in a series):
  / echo "rsh `hostname` -n source eat.cpu &" > eat.cpu; source eat.cpu