Re: Copying image patches

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Article #8687

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#8687

From: Christopher A. Kent
Date: Wed, 03 Jan 1990 01:49

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DPS doesn't need to have copyarea because the window system that
incorporates DPS can supply it instead. In the DECwindows
implementation, you use DPS to image into an X drawable (either Pixmap
or window) and use XCopyArea to do all the copying you want to. Or you
can use the resulting image as an X clipmask. Or whatever suits your fancy.

NeXT chose to expose their windowing operations as PostScript operators,
so it looks like they're just part of DPS. 

Chris Kent	Western Software Laboratory	Digital Equipment Corporation
kent@decwrl.dec.com	decwrl!kent			(415) 853-6639

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<18731@bellcore.bellcore.com> <POLLACK.89Dec4133944@toto.cis.ohio-state.edu> <28@macuni.mqcc.mq.oz> <1989Dec21.000312.3330@ico.isc.com> <17480@rpp386.cactus.org> <1651@intercon.com>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!sun-barr!decwrl!godzilla.pa.dec.com!kent
From: kent@godzilla.pa.dec.com (Christopher A. Kent)
Newsgroups: comp.lang.postscript
Subject: Re: Copying image patches
Message-ID: <2383@bacchus.dec.com>
Date: 3 Jan 90 01:49:23 GMT
References: <18731@bellcore.bellcore.com> <POLLACK.89Dec4133944@toto.cis.ohio-state.edu> <28@macuni.mqcc.mq.oz> <1989Dec21.000312.3330@ico.isc.com> <17480@rpp386.cactus.org> <1651@intercon.com>
Sender: news@decwrl.dec.com
Reply-To: kent@godzilla.pa.dec.com (Christopher A. Kent)
Organization: DEC Western Software Laboratory
Lines: 11

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