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- % Copyright (C) 1994 Aladdin Enterprises. All rights reserved.
- %
- % This file is part of Aladdin Ghostscript.
- %
- % Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
- % or distributor accepts any responsibility for the consequences of using it,
- % or for whether it serves any particular purpose or works at all, unless he
- % or she says so in writing. Refer to the Aladdin Ghostscript Free Public
- % License (the "License") for full details.
- %
- % Every copy of Aladdin Ghostscript must include a copy of the License,
- % normally in a plain ASCII text file named PUBLIC. The License grants you
- % the right to copy, modify and redistribute Aladdin Ghostscript, but only
- % under certain conditions described in the License. Among other things, the
- % License requires that the copyright notice and this notice be preserved on
- % all copies.
-
- % 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 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
-