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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) (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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