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-% Copyright (C) 1996, 1997, 1998 Aladdin Enterprises. All rights reserved.
-%
-% This program is free software; you can redistribute it and/or modify it
-% under the terms of the GNU General Public License as published by the
-% Free Software Foundation; either version 2 of the License, or (at your
-% option) any later version.
-%
-% This program is distributed in the hope that it will be useful, but
-% WITHOUT ANY WARRANTY; without even the implied warranty of
-% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
-% Public License for more details.
-%
-% You should have received a copy of the GNU General Public License along
-% with this program; if not, write to the Free Software Foundation, Inc.,
-% 59 Temple Place, Suite 330, Boston, MA, 02111-1307.
-
-% $Id: viewcmyk.ps,v 1.2.6.2.2.1 2003/04/12 14:02:39 giles Exp $
-% viewcmyk.ps
-% Display a raw CMYK file.
-% Requires the colorimage operator.
-% If SCALE is defined, maps input pixels to output pixels with that scale;
-% if SCALE is undefined, scales the image to fit the page.
-% If BITS is defined, it is the number of bits per sample (1,2,4,8,12);
-% if BITS is undefined, its default value is 1.
-
-/viewcmyk { % <filename> <width> viewcmyk -
- 20 dict begin
- /w exch def
- /fname exch def
- /bpc /BITS where { pop BITS } { 1 } ifelse def
- /f fname (r) file def
- mark fname status pop pop pop /flen exch def cleartomark
- /h flen w bpc 4 mul mul 7 add 8 idiv idiv def
- (Dimensions: ) print [w h] == flush
- % Set up scaling.
- /SCALE where {
- pop
- % Map pixels SCALE-for-1. Assume orthogonal transformation.
- SCALE 1 0 dtransform add abs div
- SCALE 0 1 dtransform add abs div
- } {
- % Scale the image (uniformly) to fit the page.
- clippath pathbbox pop pop translate
- pathbbox 3 -1 roll sub h div
- 3 1 roll exch sub w div .min dup
- } ifelse scale
- w h bpc [1 0 0 -1 0 h] f false 4 colorimage
- showpage
- f closefile
- end
-} bind def
-
-% If the program was invoked from the command line, run it now.
-[ shellarguments {
- counttomark 2 eq {
- cvi viewcmyk
- } {
- cleartomark
- (Usage: gs -- viewcmyk.ps filename.cmyk width\n) print
- ( e.g.: gs -- viewcmyk.ps my.cmyk 2550\n) print flush
- } ifelse
-} {
- pop
-} ifelse