696 lines
19 KiB
PostScript
696 lines
19 KiB
PostScript
% Copyright (C) 1991, 1995, 1996, 1997, 1998, 1999 Aladdin Enterprises. All rights reserved.
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%
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% This software is provided AS-IS with no warranty, either express or
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% implied.
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%
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% This software is distributed under license and may not be copied,
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% modified or distributed except as expressly authorized under the terms
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% of the license contained in the file LICENSE in this distribution.
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%
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% For more information about licensing, please refer to
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% http://www.ghostscript.com/licensing/. For information on
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% commercial licensing, go to http://www.artifex.com/licensing/ or
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% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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% $Id: gslp.ps,v 1.7 2005/05/07 22:56:56 ray Exp $
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% gslp.ps - format and print text
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% This utility provides functionality approximately equivalent to the Unix
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% `enscript' program. It prints plain text files using a single font.
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% It currently handles tabs and formfeeds, but not backspaces.
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% It will line-wrap when using fixed-pitch fonts.
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% It will also do kerning and width adjustment.
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% Standard switches implemented:
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% -12BclqRr -b<header> -f<font> -F<hfont> -L<lines> -p<outfile>
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% Sun switches implemented:
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% -T<n> set tab width
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% Switches ignored:
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% -GghKkmow -# -C -d -J -n -P -S -s -t -v
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% Switches added:
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% --add-to-space <units>
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% add the given number of 1/72" units to the width of each
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% space (may be negative)
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% --add-to-width <units>
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% add the given number of 1/72" units to the width of each
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% character (may be negative)
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% --columns <n>
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% print in <n> columns
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% --detect
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% treat the file as PostScript if it starts with %!
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% --first-page <n>
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% start printing at page <n>
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% --kern <file.afm>
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% kern using information from the given .AFM file
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% --last-page <n>
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% stop printing after page <n>
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% --(heading|footing)-(left|center|right) <string>
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% set the heading/footing fields; use -B first to clear
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% --margin-(top|bottom|left|right) <inches>
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% set a margin
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% --no-eject-(file|formfeed)
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% end-of-file/FF only starts a new column, not a new sheet
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% --spacing <n>
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% use double (n=2), triple (n=3), etc. spacing
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% Also, the string %# in a heading or footing is replaced with the page #.
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/PageNumberString (%#) def
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/lpdict 150 dict def
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lpdict begin
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% build iso-latin-1 version of a font
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/font-to-iso-latin-1 { % <font> font-to-iso-latin-1 <font>
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%% reencode for iso latin1; from the 2nd edition red book, sec 5.6.1
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dup length dict begin {1 index /FID ne {def} {pop pop} ifelse} forall
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/Encoding ISOLatin1Encoding def currentdict end
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dup /FontName get 80 string cvs (-ISOLatin1) concatstrings cvn
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exch definefont
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} def
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/find-latin-font { % <name> find-latin-font <font>
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findfont font-to-iso-latin-1
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} def
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% Define the initial values of the printing parameters.
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/AddToSpace 0 def
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/AddToWidth 0 def
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/BodyFont null def % use default
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/defaultBodyFontPortrait
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/Courier find-latin-font 10 scalefont def
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/defaultBodyFontLandscape
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/Courier find-latin-font 7 scalefont def
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/defaultBodyFont
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{ Landscape { defaultBodyFontLandscape } { defaultBodyFontPortrait } ifelse } def
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/Columns 1 def
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/DetectFileType false def
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/EjectEOF true def
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/EjectFF true def
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/Footers false def
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/FootingLeft () def
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/FootingCenter () def
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/FootingRight () def
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/Headers true def
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/HeadingLeft () def
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/HeadingCenter () def
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/HeadingRight (page ) PageNumberString concatstrings def
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/HeadingFont null def % use default
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/defaultHeadingFont
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/Courier-Bold find-latin-font 10 scalefont def
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/Kern 0 dict def % no kerning
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/Landscape false def
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/MarginBottom 36 def % 1/2"
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/MarginLeft 36 def % 1/2"
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/MarginRight 36 def % 1/2"
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/MarginTop 36 def % 1/2"
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/MaxLines 9999 def % max lines per page
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/Noisy true def % i.e., not quiet
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/OutFile null def % null = write directly to device
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/PageFirst 1 def
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/PageLast 99999 def
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/Spacing 1 def
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/Tab 8 def
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/Truncate false def % wrap long lines, don't truncate
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% When writing to a file, we want to write out PostScript;
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% when writing to the printer, we want to execute it;
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% some commands should be executed regardless.
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% lpexec provides for all this.
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/lpdef { % <name> <value> lpdef -
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/def 2 true lpexec
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} def
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/lpexec { % <arg1> ... <argn> </op> <n> <do_always> lpexec -
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OutFile null eq {
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pop 1 add true
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} {
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/t exch def 1 add /n exch def cvx
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n -1 roll dup wo
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n 1 sub { n -1 roll dup wosp } repeat
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(\n) ws n t
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} ifelse
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{ pop load exec }
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{ { pop } repeat }
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ifelse
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} def
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/lpmoveto { % <x> <y> lpmoveto -
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% Round the coordinates for smaller output.
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2 {
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exch 100 mul round 100 div
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dup dup cvi eq { cvi } if
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} repeat
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1 index X eq { neg exch pop /V 1 } { neg /M 2 } ifelse true lpexec
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} def
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/lpshow { % <string> lpshow -
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dup length 0 ne {
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addspace 0 ne {
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addspace 0 32
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addwidth 0 ne {
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addwidth 0 6 -1 roll /awidthshow 6 true lpexec
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} {
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4 -1 roll /widthshow 4 true lpexec
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} ifelse
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} {
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addwidth 0 ne {
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addwidth 0 3 -1 roll /ashow 3 true lpexec
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} {
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OutFile null ne {
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dup dup length =string length gt {
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/show 1 false lpexec
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} {
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(S ) ws ws (\n) ws
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} ifelse
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} if show
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} ifelse
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} ifelse
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} {
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pop
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} ifelse
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} def
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/lpsetmyfont {
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dup load setfont
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OutFile null ne { cvx /setfont 1 false lpexec } { pop } ifelse
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} def
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% Define some utility procedures.
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/banner % ypos left center right
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{ /HFont lpsetmyfont
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/addspace 0 def /addwidth 0 def
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/pairkern 0 dict def
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3 -1 roll bannerstring pop 0 4 index pwidth showline2 pop
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exch bannerstring pwidth exch sub 2 div 3 index pwidth showline2 pop
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bannerstring
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% Prevent the last character of the heading from grazing
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% the right margin.
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% ****** WHY DOES IT REQUIRE SO MUCH PADDING? ******
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( ) stringwidth pop 2 mul add
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pwidth exch sub
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3 -1 roll pwidth showline2 pop
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} def
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/bannerstring % string -> string width
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{ PageNumberString search
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{ exch pop pindex 4 string cvs concatstrings exch concatstrings
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}
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if dup stringwidth pop
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} def
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/beginpage
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{ /lindex 0 def
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/skipping pindex PageFirst ge pindex PageLast le and not def
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pagex pagey Landscape {/BL} {/B} ifelse 2 true lpexec
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/pagesave exch def
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skipping { nulldevice /OutFile null def } if
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Headers
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{ lheight hdescent add
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HeadingLeft HeadingCenter HeadingRight banner
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} if
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/BFont lpsetmyfont
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/pairkern Kern def
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/addspace AddToSpace def /addwidth AddToWidth def
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pairkern length 0 ne {
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/addspace AddToSpace lpdef /addwidth AddToWidth lpdef
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} if
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} def
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/endpage {
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lindex 0 ne {
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Footers {
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topskip plength sub hdescent add
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FootingLeft FootingCenter FootingRight banner
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} if
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/E
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} {
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/restore
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} ifelse
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pagesave exch 0 true lpexec
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/pindex pindex 1 add def
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} def
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/endcolumn
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{ lindex colines 1 sub add colines idiv colines mul
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dup llength ge { pop endpage beginpage } { /lindex exch def } ifelse
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} def
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/fontheight % <font> fontheight <ascent> <height>
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{ gsave setfont
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newpath 0 0 moveto
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(|^_j) false charpath
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pathbbox exch pop dup 2 index sub 4 -2 roll pop pop
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grestore exch 1.25 mul exch 1.25 mul
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} def
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/wdict {
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dup length wosp ( dict\n) ws
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{ (dup) ws exch wosp wosp ( put\n) ws } forall
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} def
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/wosp { ( ) ws wo } def
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/wo {
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dup type /dicttype eq { wdict } { OutFile exch write==only } ifelse
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} def
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/ws {
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OutFile exch writestring
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} def
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/outfont { % <name> <font> outfont -
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OutFile null ne {
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exch wo
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dup /FontName get
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dup wosp (-ISOLatin1) ws wosp ( RE) ws
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/FontMatrix get 0 get 1000 mul round cvi wosp
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( scalefont def\n) ws
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} {
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pop pop
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}ifelse
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} def
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/StringFF (\f) def
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/CharFF StringFF 0 get def
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/StringTAB (\t) def
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/CharTAB StringTAB 0 get def
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/showline % line -> leftover_line (handles \f)
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{ { showline1 dup length 0 eq { exit } if
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dup 0 get CharFF ne { exit } if
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EjectFF { endpage beginpage } { endcolumn } ifelse
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skip1
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}
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loop
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} def
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/showline1 % line -> leftover_line (handles page break)
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{ lindex llength eq { endpage beginpage } if
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lindex colines idiv cowidth mul % x
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lindex colines mod 1 add lheight mul neg fascent sub % y
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1 index cowidth add
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showline2
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/lindex lindex 1 add def
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} def
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/setxy {
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/ty exch def /tx exch def
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} def
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/showline2 { % string x y xlimit -> leftover_string (handles tabs)
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2 index exch 5 2 roll setxy {
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% Stack: xinit xlimit string
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showline3 dup length 0 eq { exit } if
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dup 0 get CharTAB ne { exit } if
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tx 3 index sub tabwx div
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0.05 add ceiling tabwx mul 3 index add ty setxy
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skip1
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tx 2 index ge { exit } if
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} loop exch pop exch pop
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} def
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/showline3 { % xlimit string -> xlimit leftover_string
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% (finds line break / tab / formfeed)
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1 index tx sub
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cwx div 0.1 add cvi 0 .max 1 index length .min
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1 index 0 3 -1 roll getinterval
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% look for \f or \t
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StringFF search { exch pop exch pop } if
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StringTAB search { exch pop exch pop } if
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dup length 0 ne {
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tx ty lpmoveto
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dup pairkern length 0 eq {
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lpshow
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} {
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{ kproc } exch /kshow 2 true lpexec
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} ifelse
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currentpoint setxy
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} if
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length dup 2 index length exch sub getinterval
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} def
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/kproc { % <char1> <char2> kproc -
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pairkern currentfont /Encoding get 3 index get
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2 copy known {
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get currentfont /Encoding get 2 index get
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2 copy known {
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get currentfont /FontMatrix get 0 get mul
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} {
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pop pop 0
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} ifelse
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} {
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pop pop 0
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} ifelse
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addwidth add 2 index 32 eq { addspace add } if
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dup 0 eq { pop } { 0 rmoveto } ifelse
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pop pop
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} def
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/skip1
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{ dup length 1 sub 1 exch getinterval
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} def
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/e== { % <object> e== - -- print an object to stderr
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(%stderr) (w) file dup 3 -1 roll write==only flushfile
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} def
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/eprint { % <string> eprint - -- print a string to stderr
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(%stderr) (w) file dup 3 -1 roll writestring flushfile
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} def
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% Read kerning information from a .AFM file.
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/readkern { % <afmfile> readkern <pairkerndict>
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/mfilename 1 index def
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(r) file /mfile exch def
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mfile =string readline pop
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(StartFontMetrics ) anchorsearch {
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pop pop
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/kdict 256 dict def
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{ mfile =string readline pop
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(EndFontMetrics) anchorsearch { pop pop exit } if
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(KPX ) anchorsearch {
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pop token pop cvlit /char1 exch def
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token pop cvlit /char2 exch def
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token pop /kern exch def pop
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kdict char1 .knownget not {
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5 dict kdict char1 2 index .growput
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} if
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char2 kern .growput
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} {
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pop
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} ifelse
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} loop kdict
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} {
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pop
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mfilename eprint ( does not begin with StartFontMetrics.\n) eprint
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0 dict
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} ifelse
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mfile closefile
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} def
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% The main printing procedure
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/doFirst true def
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/prevBFont null def
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/prevHFont null def
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/lpfirst { % - lpfirst -
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% Define some abbreviating procedures.
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/B {save 3 1 roll translate /X 0 def} lpdef
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/BL {save 3 1 roll 90 rotate translate /X 0 def} lpdef
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/E {showpage restore} lpdef
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/V {neg X exch moveto} lpdef
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/M {/X 2 index def neg moveto} lpdef
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/S {currentfile =string readline pop show} lpdef
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/RE { % <isoname> <fontname> RE <font>
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findfont
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%% reencode for iso latin1; from the 2nd edition red book, sec 5.6.1
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dup length dict begin {1 index /FID ne {def} {pop pop} ifelse} forall
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/Encoding ISOLatin1Encoding def currentdict end
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definefont
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} lpdef
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} def
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/lp { % file initial_chars ->
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/lpline exch def
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/lpfile exch def
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doFirst { lpfirst /doFirst false def } if
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% Initialize the device and fonts.
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/BFont
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BodyFont null eq { defaultBodyFont } { BodyFont } ifelse def
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BFont prevBFont ne {
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/BFont BFont outfont
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/prevBFont BFont def
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} if
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Headers Footers or {
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/HFont
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HeadingFont null eq { defaultHeadingFont } { HeadingFont } ifelse def
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HFont prevHFont ne {
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/HFont HFont outfont
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/prevHFont HFont def
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} if
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} if
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save
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% Get the layout parameters.
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clippath
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gsave % for possible rotation
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Landscape { 90 rotate } if
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BFont setfont ( ) stringwidth pop /cwx exch def
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cwx Tab mul /tabwx exch def
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BFont fontheight /fheight exch def /fascent exch def
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Headers Footers or { HFont fontheight } { 0 0 } ifelse
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/hheight exch def /hascent exch def
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/hdescent hheight hascent sub def
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fheight Spacing mul /lheight exch def
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Headers { hheight lheight add } { 0 } ifelse
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/topskip exch def
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Footers { hheight lheight add } { 0 } ifelse
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/botskip exch def
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/pskip topskip botskip add def
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% Translate the page so that (0,0) corresponds to
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% the top of the topmost body line.
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pathbbox
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2 index sub MarginBottom MarginTop add sub /plength exch def
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2 index sub MarginLeft MarginRight add sub /pwidth exch def
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pwidth Columns div /cowidth exch def
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exch MarginLeft add
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exch MarginBottom add plength add topskip sub
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/pagey exch def /pagex exch def
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plength pskip sub lheight div cvi MaxLines .min
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dup /colines exch def
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Columns mul /llength exch def
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grestore
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OutFile null ne { nulldevice } if
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% Print layout
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Noisy
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{ (Page height = ) eprint llength e==
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(.\n) eprint flush
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} if
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% Write the kerning table, if relevant.
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OutFile null ne Kern length 0 ne and {
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(/kproc) ws /kproc load wosp ( def\n) ws
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(/pairkern) ws Kern wosp ( def\n) ws
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} if
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% Disable stack recording so we can use stopped with readline.
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$error /recordstacks false put
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% Initialize for the first page.
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/lbuf 64000 string def
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/pindex 1 def
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beginpage
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% Iterate through the file.
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lpline
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{ dup length /pos exch def
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lbuf exch 0 exch putinterval
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{ lpfile lbuf pos lbuf length pos sub getinterval readline } stopped
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{ % Filled the line before a CR or EOF.
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exch pop showline
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}
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{ % Reached CR and/or EOF first.
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exch length pos add lbuf exch 0 exch getinterval
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1 index { showline } if % omit final empty line
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{ dup length 0 eq Truncate or { pop () exit } if
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showline
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}
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loop
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exch not { exit } if
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}
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ifelse
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pindex PageLast gt { exit } if
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} loop
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pop
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% Wrap up.
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%**************** WHY IS THIS COMMENTED OUT? ****************
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% EjectEOF { endpage } { endcolumn } ifelse
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endpage
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restore
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} def
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end
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% Usage: <file> lp
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% prints <file> using the current parameter settings.
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% Usage: [ <arg1> ... <argn> ] lpcommand
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% interprets args like a command line.
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/lp { save lpdict begin () lp end restore } def
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lpdict begin
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/splitfn % (FontNN.NN) -> <font>
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{ dup /arg exch def length
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{ dup 0 le { exit } if
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dup 1 sub arg exch get dup 48 ge 1 index 59 le and exch 46 eq or not { exit } if
|
|
1 sub
|
|
} loop
|
|
arg exch 0 exch getinterval dup cvn find-latin-font
|
|
exch arg exch anchorsearch pop pop cvr scalefont
|
|
} def
|
|
|
|
% Parse the command line switches.
|
|
|
|
/doswitch % argn ... arg1 (-?) restofswitch ->
|
|
{ exch dup cvn lpdict exch known
|
|
{ cvn load exec }
|
|
{ exch pop (Unknown switch: ) eprint eprint (\n) eprint }
|
|
ifelse
|
|
} def
|
|
|
|
/more % argn ... arg1 restofswitch ->
|
|
{ dup length 0 ne
|
|
{ (- ) dup 1 3 index 0 get put
|
|
exch dup length 1 sub 1 exch getinterval
|
|
doswitch
|
|
}
|
|
{ pop
|
|
}
|
|
ifelse
|
|
} def
|
|
|
|
/-- { (--) exch concatstrings
|
|
dup cvn lpdict exch known
|
|
{ cvn load exec }
|
|
{ (Unknown switch: ) eprint eprint (\n) eprint }
|
|
ifelse
|
|
} def
|
|
/--add-to-space { cvr /AddToSpace exch def } def
|
|
/--add-to-width { cvr /AddToWidth exch def } def
|
|
/--columns { cvi 1 .max /Columns exch def } def
|
|
/--detect { /DetectFileType true def } def
|
|
/--first-page { cvi /PageFirst exch def } def
|
|
/--footing-center { /FootingCenter exch def /Footers true def } def
|
|
/--footing-left { /FootingLeft exch def /Footers true def } def
|
|
/--footing-right { /FootingRight exch def /Footers true def} def
|
|
/--heading-center { /HeadingCenter exch def /Headers true def } def
|
|
/--heading-left { /HeadingLeft exch def /Headers true def } def
|
|
/--heading-right { /HeadingRight exch def /Headers true def } def
|
|
/--kern { readkern /Kern exch def } def
|
|
/--last-page { cvi /PageLast exch def } def
|
|
/--margin-bottom { cvr 72.0 mul /MarginBottom exch def } def
|
|
/--margin-left { cvr 72.0 mul /MarginLeft exch def } def
|
|
/--margin-right { cvr 72.0 mul /MarginRight exch def } def
|
|
/--margin-top { cvr 72.0 mul /MarginTop exch def } def
|
|
/--no-eject-file { /EjectEOF false def } def
|
|
/--no-eject-formfeed { /EjectFF false def } def
|
|
/--spacing { cvr /Spacing exch def } def
|
|
|
|
/-# { pop } def % ignore
|
|
/-+ { -- } def
|
|
(-1)cvn { /Columns 1 def more } def
|
|
(-2)cvn { /Columns 2 def more } def
|
|
/-b { /HeadingLeft exch def /HeadingCenter () def /HeadingRight PageNumberString def
|
|
/Headers true def
|
|
/break true def
|
|
} def
|
|
/-B { /HeadingLeft () def /HeadingCenter () def /HeadingRight () def
|
|
/Headers false def
|
|
/FootingLeft () def /FootingCenter () def /FootingRight () def
|
|
/Footers false def
|
|
/break true def
|
|
more
|
|
} def
|
|
/-C { pop } def % ignore
|
|
/-c { /Truncate true def more } def
|
|
/-d { pop } def % ignore
|
|
/-f { splitfn /BodyFont exch def } def
|
|
/-F { splitfn /HeadingFont exch def } def
|
|
/-G { more } def % ignore
|
|
/-g { more } def % ignore
|
|
/-h { more } def % ignore
|
|
/-J { pop } def % ignore
|
|
/-K { more } def % ignore
|
|
/-k { more } def % ignore
|
|
/-l { 66 -L -B } def
|
|
/-L { cvi /MaxLines exch def } def
|
|
/-m { more } def % ignore
|
|
/-n { pop } def % ignore
|
|
/-o { more } def % ignore
|
|
/-p { (w) file /OutFile exch def OutFile (%!\n) writestring } def
|
|
/-P { pop } def % ignore
|
|
/-q { /Noisy false def more } def
|
|
/-r { /Landscape true def more } def
|
|
/-R { /Landscape false def more } def
|
|
/-S { pop } def % ignore
|
|
/-s { pop } def % ignore
|
|
/-T { cvi /Tab exch def } def
|
|
/-v { pop } def % ignore
|
|
/-w { more } def % ignore
|
|
|
|
/lp1 % filename ->
|
|
{ break not { dup /HeadingLeft exch def } if
|
|
Noisy
|
|
{ (Printing ) eprint dup eprint (\n) eprint
|
|
} if
|
|
(r) file
|
|
% If requested, check for a PostScript file.
|
|
DetectFileType
|
|
{ dup 2 string readstring pop dup (%!) eq
|
|
{ % Yes, it's a PostScript file.
|
|
pop dup 80 string readline pop pop cvx exec
|
|
}
|
|
{ lp
|
|
}
|
|
ifelse
|
|
}
|
|
{ () lp
|
|
}
|
|
ifelse
|
|
} bind def
|
|
|
|
/lpcstring 8192 string def
|
|
|
|
end
|
|
|
|
/lpcommand % <[arg1 ... argn]> lpcommand <any_printed>
|
|
{ % Push the commands on the stack in reverse order
|
|
mark exch
|
|
dup length 1 sub -1 0 { 1 index exch get exch } for pop
|
|
lpdict begin
|
|
/any false def
|
|
/break false def
|
|
{ dup mark eq { pop exit } if
|
|
dup length 2 ge { dup 0 get (-) 0 get eq } { false } ifelse
|
|
{ dup 0 2 getinterval
|
|
exch dup length 2 sub 2 exch getinterval
|
|
doswitch
|
|
}
|
|
{ dup /matched false def
|
|
{ /matched true def /any true def lp1 } lpcstring filenameforall
|
|
matched { pop } { lp1 } ifelse % let the error happen
|
|
}
|
|
ifelse
|
|
} loop
|
|
OutFile null ne
|
|
{ OutFile (%stdout) (w) file ne { OutFile closefile } if
|
|
/OutFile null def
|
|
} if
|
|
any
|
|
end
|
|
} def
|
|
|
|
[ shellarguments
|
|
{ ] dup length 0 ne { lpcommand } { false } ifelse not
|
|
{ (%stderr) (w) file
|
|
[ (Usage: )
|
|
/PROGNAME where { pop PROGNAME } { (gslp) } ifelse
|
|
( [-12BclqRr] [-b<header>] [-f<font>] [-F<hfont>]\n)
|
|
( [-L<lines>] [-p<outfile>] [-T<tabwidth>]\n)
|
|
( [--add-to-(space|width) <units>] [--columns <n>]\n)
|
|
( [--detect] [--first-page <page#>] [--last-page <page#>]\n)
|
|
( [--(heading|footing)-(left|right|center) <string>]\n)
|
|
( [--kern <afmfile>] [--margin-(top|bottom|left|right) <inches>]\n)
|
|
( [--no-eject-(file|formfeed)] [--spacing <n>] file1 ... filen\n)
|
|
] { 2 copy writestring pop } forall dup flushfile closefile
|
|
}
|
|
if
|
|
}
|
|
{ pop }
|
|
ifelse
|