% Copyright (C) 1994 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: traceimg.ps 6300 2005-12-28 19:56:24Z giles $ % 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