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Article View: comp.lang.postscript
Article #2992

Re: Why don't xps and ralpage display color?

#2992
From: John F Carr
Date: Mon, 03 Sep 1990 22:14
17 lines
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In article <675@mustang.mst6.lanl.gov> dak@mst6.lanl.gov (Dave Korzekwa) writes:
>We have a Decstation 3100 running X11R4.  Both xps and ralpage
>compile without errors and display files in black and white. 
>However, these are color postscript files and we need to see them
>in color.  Does anybody know what our problem might be?  These 
>previewers are obviously intended to display color.  

I modified our version of xps to display color.  Our X11.c is not the one that
comes with X11 R4, however.  It has evolved here independently over the past
few years (it has comments about changes made for X11 R2 which don't appear in
other versions, so it is at least 2 years old).  I consider my work incomplete:
it assumes 2^8 colors, and a side effect of my changes was to turn off
interpolation of colors with dot patterns (so this doesn't work well on
monochrome).  I can send diffs to anyone interested.

--
    --John Carr (jfc@athena.mit.edu)
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Message-ID: <1990Sep3.221452.23765@athena.mit.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker!bloom-beacon!jfc
References: <675@mustang.mst6.lanl.gov>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker!bloom-beacon!jfc
From: jfc@athena.mit.edu (John F Carr)
Newsgroups: comp.lang.postscript,comp.windows.x
Subject: Re: Why don't xps and ralpage display color?
Message-ID: <1990Sep3.221452.23765@athena.mit.edu>
Date: 3 Sep 90 22:14:52 GMT
References: <675@mustang.mst6.lanl.gov>
Sender: daemon@athena.mit.edu (Mr Background)
Organization: Massachusetts Institute of Technology
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