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From: madd@world.std.com (jim frost)
Newsgroups: comp.windows.x
Subject: Re: Clip Masks
Message-ID: <1989Dec15.141555.9750@world.std.com>
Date: 15 Dec 89 14:15:55 GMT
References: <1506@utkcs2.cs.utk.edu>
Organization: Software Tool & Die
Lines: 18

battle@alphard.cs.utk.edu (David Battle) writes:
>The only problem is that:
>	1) XCreateImage requires a visual which must "match the visual
>           of the window [or pixmap, I presume] the image is to be displayed
>           in".
>	2) My server does not support any depth 1 visuals.
>	3) A clip_mask must be a depth 1 pixmap.

You can create depth 1 pixmaps anyway.  I usually do something like
the following:

  pixmap= XCreatePixmap(disp, RootWindow(disp, scrn), width, height, 1);

Works fine.  Depth 1 is a special case; I'd quote chapter line and
verse but my documentation isn't handy, only my source.

jim frost
jimf@saber.com