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\ProvidesFileRCS $Header: /cvsroot/pgf/pgf/generic/pgf/systemlayer/pgfsys-textures.def,v 1.2 2005/11/09 08:52:19 tantau Exp $
% Copyright 2005 by Till Tantau <tantau@cs.tu-berlin.de>.
%
% This program can be redistributed and/or modified under the terms
% of the GNU Public License, version 2.
% Driver commands for textures driver
\def\pgfsys@invoke#1{\special{rawpostscript #1}}
\def\pgf@sys@postscript@header#1{\special{prepostscript #1}}
\def\pgf@sys@postscript@object#1{\special{rawpostscript #1}}
%
% Load common postscript commands:
%
\input pgfsys-common-postscript.def
%
% textures-specific stuff:
%
\def\pgfsys@beginpicture{%
\special{rawpostscript save}%
\special{rawpostscript save pgfgetcoords}%
\special{postscript}% here come the coordiantes
\special{rawpostscript restore}%
\special{rawpostscript pgfbeginpicture}}
\def\pgfsys@endpicture{\special{rawpostscript restore}}
\def\pgfsys@hbox#1{%
\pgfsys@invoke{save pgfbeginhbox}%
\wd#1=0pt%
\ht#1=0pt%
\dp#1=0pt%
\box#1%
\pgfsys@invoke{restore}%
}
\def\pgfsys@begininvisible{%
\special{rawpostscript gsave nulldevice}%
}
\def\pgfsys@endinvisible{%
\special{rawpostscript grestore}%
}
\def\pgfsys@color@unstacked#1{\special{rawpostscript \XC@usecolor{#1}}}
\def\pgfsys@imagesuffixlist{epsi:eps:ps}
\AtBeginDocument{
% Always present specials.
\special{prepostscript
/pgfsc{}bind def% stroke color is empty by default
/pgffc{}bind def% fill color is empty by default
/pgfe{moveto dup 0 rlineto exch 0 exch rlineto neg 0 rlineto closepath}bind def% rectangle
/pgfstr{stroke}bind def%
/pgffill{fill}bind def%
/pgfeofill{eofill}bind def%
/pgfw{setlinewidth}bind def% setlinewidth
/pgfgetcoords{/sps{globaldict begin /pgfgy exch def /pgfgx exch def
end pop pop}def/eps{}def userdict begin}bind def
/pgfbeginpicture{/pgfx pgfgx def /pgfy pgfgy def pgfx pgfy translate 1 1 72.27 72 div mul2 neg scale}bind def
/pgfbeginhbox{1 1 72 72.27 div mul2 neg scale
pgfx neg pgfy neg translate
pgffoa .setopacityalpha}bind def% save
/.setopacityalpha where {pop} {/.setopacityalpha{pop}def} ifelse % install .setopacityalpha
/.pgfsetfillopacityalpha{/pgffoa exch def
/pgffill{gsave pgffoa .setopacityalpha fill 1 .setopacityalpha newpath fill grestore}bind def
/pgfeofill{gsave pgffoa .setopacityalpha eofill1 .setopacityalpha newpath eofill grestore}bind def}bind def
/.pgfsetstrokeopacityalpha{/pgfsoa exch def
/pgfstr{gsave pgfsoa .setopacityalpha stroke grestore}bind def}bind def
/pgffoa 1 def
/pgfsoa 1 def
}
}
\endinput
%%% Local Variables:
%%% mode: latex
%%% End:
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