%% xypdf-s.tex from $Id: xypdf-s.doc,v $

%%

%% Xy-pic ``Style extension'' PDF support.

%% Copyright (c) 1999-1999 Ross Moore <ross@mpce.mq.edu.au>

%%

%% This file is part of the Xy-pic package for graphs and diagrams in TeX.

%% See the companion README and INSTALL files for further information.

%% Copyright (c) 1991-1999 Kristoffer H. Rose <krisrose@brics.dk>

%%

%% The Xy-pic package 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.

%%

%% The Xy-pic package 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 package; if not, write to the Free Software Foundation, Inc.,

%% 675 Mass Ave, Cambridge, MA 02139, USA.

%%

%% As a special exception, you may use this file and all files derived

%% from it without restrictions. This special exception was added with

%% version 3.7 of Xy-pic.

%%

\expandafter\ifx\csname xypdf-sloaded\endcsname\empty

 \message{not reloaded}\endinput \fi

\expandafter\let\csname xypdf-sloaded\endcsname=\empty \xycatcodes

\xydef@\xykillstyles@@{\Unloadstyle@}%

\xywarnifdefined\xyPDFescapestyle@

\xywarnifdefined\xyPDFsplitescape@

{\xyuncatcodes \catcode`@=11

 \gdef\xyPDFescapestyle@#1@@{\xyPDFsplitescape@#1<><>@@}%

 \gdef\xyPDFsplitescape@#1<>#2<>#3@@{\xyescape@@{#1}{#2}}}

\xydef@\xyPDFsplitPDF@#1#2{%

 \def\xyPDFpre@{#1}\def\xyPDFpost@{#2}\modPDFboxz@ }

\xydef@\xyescape@@#1#2{\checkXyStyle@ 

 \applyFIFOstyle@\prexyescape@{#1}\postxyescape@{#2}}

\xydef@\prexyescape@{\xyescapeSpecial@}

\xydef@\postxyescape@{\xyescapeSpecial@}

\xylet@\xyescapeSpecial@=\eat@

\let\xyescapeSpecial@=\addtostyletoks@

\xydef@\installPDFstyle@{%

 \def\preXYstyle@@{\xyPDFpre@}%

 \let\xydoprestyles@=\xyPDFrawstyleA@

 \let\xydopoststyles@=\xyPDFrawZ@

 \let\xykillstyles@=\xykillstyles@@

 }

\xydef@\xyPDFrawstyleA@#1{\xyPDFrawA@{{#1}{}}}

\endinput