Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!wuarchive!uwm.edu!ux1.cso.uiuc.edu!phil From: phil@ux1.cso.uiuc.edu (Phil Howard KA9WGN) Newsgroups: comp.windows.x Subject: Re: Fast redraw after expose events Message-ID: <1991Apr9.192435.15177@ux1.cso.uiuc.edu> Date: 9 Apr 91 19:24:35 GMT References: <1991Apr4.053315.25887@sserve.cc.adfa.oz.au> Organization: University of Illinois at Urbana Lines: 17 gfreeman@csadfa.cs.adfa.oz.au (Graham Freeman) writes: >We would like to create an off-screen pixmap in the server, so that >window expose events could be handled immediately using XCopyPlane, >say, rather than having to redraw the whole window from scratch. >However, resources on the server are often limited, and requesting >memory for the off-screen pixmap cannot be guaranteed to succeed. >Worse than that, attempts to obtain sufficient memory for the pixmap >when it is not available cause the client process to abort. Yes, that is utterly annoying. There needs to be a way to simply find out if the resources are available. -- /***************************************************************************\ / Phil Howard -- KA9WGN -- phil@ux1.cso.uiuc.edu \ \ Lietuva laisva -- Brivu Latviju -- Eesti vabaks / \***************************************************************************/