Edit File: traceimg.ps
% Copyright (C) 2001-2019 Artifex Software, Inc. % 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. % % Refer to licensing information at http://www.artifex.com or contact % Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato, % CA 94945, U.S.A., +1(415)492-9861, for further information. % % 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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