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- % Copyright (C) 1994 Aladdin Enterprises. All rights reserved.
- %
- % This file is part of GNU Ghostscript.
- %
- % GNU Ghostscript is distributed in the hope that it will be useful, but
- % WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
- % to anyone for the consequences of using it or for whether it serves any
- % particular purpose or works at all, unless he says so in writing. Refer
- % to the GNU General Public License for full details.
- %
- % Everyone is granted permission to copy, modify and redistribute GNU
- % Ghostscript, but only under the conditions described in the GNU General
- % Public License. A copy of this license is supposed to have been given
- % to you along with GNU Ghostscript so you can know your rights and
- % responsibilities. It should be in a file named COPYING. Among other
- % things, the copyright notice and this notice must be preserved on all
- % copies.
-
- % $RCSfile: traceimg.ps,v $ $Revision: 1.2.2.1 $
- % 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 % <dict> 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
-