94 lines
2.7 KiB
PostScript
94 lines
2.7 KiB
PostScript
%!
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% Copyright (C) 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: gsnup.ps,v 1.5 2005/06/07 19:24:33 ray Exp $
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% Prefix this to very well-behaved PostScript files for n-up printing.
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/cdef { 1 index where { pop pop } { def } ifelse } def
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%%%%%%%%%%%%%%%% Begin parameters %%%%%%%%%%%%%%%%
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% All parameters are also settable from the command line with -d, e.g.,
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% -d.Nx=3
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/.Nx 2 cdef % # of pages across the physical page
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/.Ny 2 cdef % # of pages down the physical page
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/.Landscape false cdef % if true, rotate page by 90 degrees
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%%%%%%%%%%%%%%%% End parameters %%%%%%%%%%%%%%%%
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vmstatus pop pop 0 eq { save pop } if
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.Landscape {
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currentpagedevice /PageSize get aload pop
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exch 2 array astore
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1 dict dup /PageSize 4 -1 roll put
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setpagedevice
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} if
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/.BP currentpagedevice /BeginPage get def
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/.EP currentpagedevice /EndPage get def
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/.Ps 1 string def % survive save/restore
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/.Pn { .Ps 0 get } def
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true setglobal % protect from restore
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/.ELevel [0] def
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/.Rmat matrix def
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false setglobal
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/.max { 2 copy lt { exch } if pop } cdef
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% Work around the common save ... showpage ... restore locution.
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/restore {
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.Rmat currentmatrix pop restore
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vmstatus pop pop .ELevel 0 get lt { .Rmat setmatrix } if
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} bind def
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<<
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/BeginPage {
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.Nx .Ny .max
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gsave
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initclip clippath pathbbox exch 4 -1 roll sub 3 1 roll exch sub
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grestore
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2 copy exch .Nx div exch .Ny div
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.Pn dup .Nx mod exch .Nx idiv .Ny 1 sub exch sub
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% Stack: nmax pw ph pw/nx ph/ny ix iy
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exch 3 index mul exch 2 index mul
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translate
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% Stack: nmax pw ph pw/nx ph/ny
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4 -1 roll 4 index div 4 -1 roll 4 index div
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% Stack: nmax pw/nx ph/ny pw/nmax ph/nmax
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exch 4 -1 roll exch sub 2 div
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3 1 roll sub 2 div
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translate
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% Stack: nmax
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1 exch div dup scale
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.BP
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}
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/EndPage {
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dup 2 lt {
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.ELevel 0 vmstatus pop pop put
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.Ps 0 .Pn 1 add .Nx .Ny mul mod put
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.Pn 0 eq {
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.EP
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} {
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pop pop false
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} ifelse
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} {
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pop pop false
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} ifelse
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}
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>> setpagedevice
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/.EOJ {
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{ .Pn 0 eq { exit } if showpage } loop
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} def
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{ currentfile cvx exec .EOJ } exec
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