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Diffstat (limited to 'Master/xemtex/gslib/gs_frsd.ps')
-rw-r--r-- | Master/xemtex/gslib/gs_frsd.ps | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/Master/xemtex/gslib/gs_frsd.ps b/Master/xemtex/gslib/gs_frsd.ps deleted file mode 100644 index 10593579bf3..00000000000 --- a/Master/xemtex/gslib/gs_frsd.ps +++ /dev/null @@ -1,83 +0,0 @@ -% Copyright (C) 2000 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: gs_frsd.ps,v 1.4.6.1.2.1 2003/04/12 14:02:38 giles Exp $ -% Implementation of ReusableStreamDecode filter. -% This file must be loaded after gs_lev2.ps and gs_res.ps. - -level2dict begin - -% ------ ReusableStreamDecode filter ------ % - -/.reusablestreamdecode { % <source> <dict> .reusablestreamdecode <file> - % <source> .reusablestreamdecode <file> - % Collect the filter parameters. - dup type /dicttype eq { 2 copy } { dup 0 dict } ifelse - dup .rsdparams - % Construct the filter pipeline. - % The very first filter should use the value of CloseSource - % from the RSD dictionary; all the others should have - % CloseSource = true. - % Stack: source dict filters parms - 2 index /CloseSource .knownget not { false } if 5 -1 roll - % Stack: dict filters parms CloseSource source - 0 1 5 index length 1 sub { - 4 index 1 index get - % Stack: dict filters parms CloseSource source index filtname - 4 index null eq { - 0 dict - } { - 4 index 2 index get dup null eq { pop } if - } ifelse - 3 -1 roll pop exch filter - exch pop true exch % set CloseSource for further filters - } for - % If AsyncRead is true, try to create the filter directly. - % Stack: dict filters parms CloseSource source - 4 index /AsyncRead .knownget not { false } if { - 1 index { .reusablestream } .internalstopped - } { - null true - } ifelse { - pop - % No luck. Read the entire contents of the stream now. - dup type /filetype ne { - % Make a stream from a procedure or string data source. - 0 () .subfiledecode - } if - 10 dict exch { - % Stack: dict filters parms CloseSource contdict file - dup 1000 string readstring - 3 index dup length 4 -1 roll put not { exit } if - } loop pop - % Concatenate the contents into one big string. - % Stack: dict filters parms CloseSource contdict - 0 1 index { length exch pop add } forall - .bigstring exch { - % Stack: dict filters parms CloseSource string index substring - exch 1000 mul exch 2 index 3 1 roll putinterval - } forall - % Now create the stream on the string. - 1 index .reusablestream - } if - % We created the stream successfully: clean up. - 4 { exch pop } repeat - 1 index type /dicttype eq { exch pop } if exch pop -} odef - -filterdict /ReusableStreamDecode /.reusablestreamdecode load put - -end % level2dict |