% Copyright (C) 1994 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: traceimg.ps,v 1.2.6.2.2.1 2003/04/12 14:02:39 giles Exp $ % traceimg.ps % Trace the data supplied to the 'image' operator. % This code currently handles only the (Level 2) dictionary form of image, % with a single data source and 8-bit pixels. /traceimage % traceimage - { currentcolorspace == (setcolorspace\n) print (<<) print dup { (\t) print exch ==only ( ) print == } forall (>>\n) print flush begin /i_left Width Height mul store /i_dict currentdict store end { i_left 0 le { exit } if i_dict /DataSource get exec dup type /filetype eq { i_buf 0 i_left 32 .min getinterval readstring pop } if dup (%stdout) (w) file exch writehexstring (\n) print flush i_left exch length sub /i_left exch def } loop } bind odef /image /traceimage load def /i_left 0 def /i_dict null def /i_buf 32 string def