Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!sdd.hp.com!elroy.jpl.nasa.gov!decwrl!adobe!asente From: asente@adobe.com (Paul Asente) Newsgroups: comp.windows.x Subject: Re: Zooming Message-ID: <8063@adobe.UUCP> Date: 8 Nov 90 21:14:22 GMT References: <9011071852.AA01344@zia.aoc.nrao.edu> Sender: news@adobe.COM Organization: Adobe Systems Inc. Lines: 15 In article <9011071852.AA01344@zia.aoc.nrao.edu> cflatter@ZIA.AOC.NRAO.EDU (Chris Flatters) writes: > >> I am writing an application that must allow a user to zoom the image > >> displayed in a window. How does one implement such a feature using X >> windows? Any ideas would be appreciated. Thanks. >The only way I know of is to build the zoomed image in the client, using >either simple pixel replication or some form of interpolation, and then >XPutImage the zoomed image to the window. Display PostScript, present in DEC and IBM servers, will scale (and rotate) images. Pretty fast, too. -paul asente asente@adobe.com ...decwrl!adobe!asente