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graybar
From: |
David . A . Barr |
Subject: |
graybar |
Date: |
Thu, 3 Feb 2005 16:55:43 -0500 |
I'm trying to produce gray bars behind alternating sets of lines on my
printout. I've been told this is called greenbar or graybar. I used A2PS
to convert my text document to Postscript, then I inserted this Postscript
code in the document to do the bars:
/graybar { %def
gsave
.85 setgray
0 1 ph th sub bfs div { % for each line on the page
dup
6 mod 3 div 1 ge { % draw a bar if it should be gray
newpath
x v get exch bfs mul neg y v get add th sub moveto
pw 0 rlineto
0 bfs neg rlineto
pw neg 0 rlineto
closepath fill
} if
} for
grestore
} bind def
It works fine, and I'd like to get this added to the A2PS program as a
formatting option. Can someone do this for me, or should I do it and mail
my patches to someone?
Thanks,
David
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