how to reverse video of the bitmap image?

Article View: comp.lang.postscript

Article #5872

Back to comp.lang.postscript Previous Next

#5872

From: zzang
Date: Sun, 03 Jan 1993 14:16

13 lines
659 bytes

Hello,
can someone tell me how to reverse video of the image?
for example,

/data <....> def
8 8 1 [8 0 0 8 0 0] {data} image showpage

now how to reverse video the above image without
change the "data"?

Thanks very much in advance!

--zhuo

Technical Details

Message-ID: <1993Jan3.141633.20760@eng.ufl.edu>

Path: arc1-ca.pugleaf.net!sparky!uunet!spool.mu.edu!eng.ufl.edu!manta!zzang

Show Full Headers

Complete Article Headers

Newsgroups: comp.lang.postscript
Path: arc1-ca.pugleaf.net!sparky!uunet!spool.mu.edu!eng.ufl.edu!manta!zzang
From: zzang@stat.ufl.edu (zzang)
Subject: how to reverse video of the bitmap image?
Message-ID: <1993Jan3.141633.20760@eng.ufl.edu>
Originator: zzang@manta
Sender: news@eng.ufl.edu (Usenet Diskhog System)
Organization: University of Florida
Distribution: usa
Date: Sun, 3 Jan 93 14:16:33 GMT
Lines: 14