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

%%

%% Xy-pic ``PDF Rotations and Scaling''.

%% Copyright (c) 1999-1999 Ross Moore <ross@maths.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-rloaded\endcsname\empty

 \message{not reloaded}\endinput \fi

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

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

 \xyinputorelse@{xypdf-s}{\xyerror@{Could not load xypdf-s}{}}%

 \xycatcodes\fi

\xydef@\installPDFrotscale@{\installPDFstyle@

% \let\xyRotate@@=\xyPDFrotate@@

% \let\doSpecialRotate@@=\doPDFspecialRotate@@

 \let\xyscale@@=\xyPDFscale@@

 \xyPDFshapes@true

 \xyuncatcodes }

\xydef@\UsePDFrotate{\installPDFrotscale@}

\xydef@\NoPDFrotate{\UnloadRotate@\relax}

\xydef@\xyPDFpretransform@{\xyPDFrawA@{\preXYtransform@@}}

\xydef@\xyPDFposttransform@{\xyPDFrawZ@{\postXYtransform@@}}

\let\preXYtransform@=\xyPDFpretransform@

\let\postXYtransform@=\xyPDFposttransform@

\xydef@\xyPDFrotSplit@{%

 \expandafter\def\expandafter\preShape@@\expandafter{\xyPDFpre@}%

 \expandafter\def\expandafter\postShape@@\expandafter{\xyPDFpost@}}

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

 \xyPDFsplitPDF@{\xyscale@start(#1,#2)}{\xyscale@end}%

 \xyPDFrotSplit@\xyPDFpdfxy@ }

\xydef@\xyPDFrotate@@#1{%

 \xyPDFsplitPDF@{\xyrot@start(#1 xyd)}{\xyrot@end}%%%<<------ here

 \xyPDFrotSplit@\xyPDFpdfxy@ }

\xydef@\xyPDFspecialRotate@#1{%

 \xyPDFsplitPDF@{\xyrot@start(#1)}{\xyrot@end}\xyPDFrotSplit@\xyPDFpdfxy@ }

\xydef@\doPDFspecialRotate@@#1@@{\xyPDFspecialRotate@{#1}}

\xydef@\xyRotScale@@{%

% \def\xyrot@start(##1){{xyt ##1\space xyr}}%%%<<------ here

 \def\xyscale@start(##1,##2){ q ##1 0 0 ##2 0 0 cm}%

 \def\xyrot@end{ Q}\def\xyscale@end{ Q}}

\endinput