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% 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 % <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
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