63 lines
2.1 KiB
PostScript
63 lines
2.1 KiB
PostScript
% Copyright (C) 1996, 1997, 1998 Aladdin Enterprises. All rights reserved.
|
|
%
|
|
% This software is provided AS-IS with no warranty, either express or
|
|
% implied.
|
|
%
|
|
% This software is distributed under license and may not be copied,
|
|
% modified or distributed except as expressly authorized under the terms
|
|
% of the license contained in the file LICENSE in this distribution.
|
|
%
|
|
% For more information about licensing, please refer to
|
|
% http://www.ghostscript.com/licensing/. For information on
|
|
% commercial licensing, go to http://www.artifex.com/licensing/ or
|
|
% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
|
|
% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
|
|
|
|
% $Id: viewcmyk.ps,v 1.5 2002/06/02 12:03:28 mpsuzuki 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
|