Path: utzoo!attcan!uunet!ginosko!gem.mps.ohio-state.edu!tut.cis.ohio-state.edu!purdue!bu-cs!bloom-beacon!EXPO.LCS.MIT.EDU!rws
From: rws@EXPO.LCS.MIT.EDU (Bob Scheifler)
Newsgroups: comp.windows.x
Subject: Re: Handling expose events.
Message-ID: <8908241149.AA02743@expire.lcs.mit.edu>
Date: 24 Aug 89 11:48:59 GMT
References: <2623@arisia.Xerox.COM>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
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    My impression is that the only canonical solution to this problem is to
    have the client draw on a Pixmap, not a Window, and to copy appropriately
    from the Pixmap to the Window in response to expose events on the Window.

I would hardly call this canonical.  It is one way to do it.  Whether or
not it is the best way depends a lot on your server and on the structure
of your application and the data it is trying to display.  If your application
is retaining all of the necessary data on the client side in some structured
(and hopefully higher-level) form, then regenerating the image from that data
is often a much better solution.