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%% xyxdvi.tex from $Id: xyxdvi.doc,v 3.7 2011/03/14 20:14:00 krisrose Exp $
%%
%% Xy-pic ``xdvi-driver'' option.
%% Copyright (c) 1995-1996 Ross Moore <ross.moore@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) 1991-2011 Kristoffer H. Rose <krisrose@tug.org>
%%
%% 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, see http://www.gnu.org/licenses/.
%%
\ifx\xyloaded\undefined \input xy \fi
\xyprovide{xdvi}{XDVI driver}{\stripRCS$Revision: 3.7 $}%
{Ross Moore}{ross.moore@mq.edu.au}%
{Mathematics Department, Macquarie University, NSW~2109, Australia}
\xydef@\xdvi@@#1{\dvimessage@{xdvi}{#1}}
\newdriver{%
\xyaddsupport{color}\xdviColor@@
\xyaddsupport{crayon}\xdviCrayola@@
\xyaddsupport{ps}\xdviPS@@
\xyaddsupport{rotate}\xdviRotate@@
\xyaddsupport{line}\xdviLine@@
\xyaddsupport{frame}\xdviFrames@@
\xyaddsupport{tile}\xdviTiles@@
\xyaddsupport{tpic}\xdviTPIC@
}
\xydef@\xdvi@Color@{\xdviPStypes@
\let\xylocalColor@=\xyNoColor@@
\def\xycolor@{\xycolor@@}\let\xycolorwarning@=\relax
\expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
\xyinputorelse@{xyps-c}{\xydrivernoload@{ps-c}}\installPScolor@ }%
\else\DN@{}\fi \next@
\ifx\xycolor@@\xyNoColor@ \let\xycolor@@=\xycolor@raw@@\fi
\ifx\xycrayolaloaded\empty \DN@{\xystandardcolors@\xdviCrayola@{}}%
\else \DN@{\xystandardcolors@}\fi \next@
\let\xdviColor@@=\relax
\let\UnloadColor@@=\NoXDVIcolor@
}%
\xydef@\xdviColor@@{\xdvi@Color@}
\xydef@\NoXDVIcolor@{%
\def\xycolor@{\xycolor@@}%
\let\xycolor@@=\xyNoColor@
\let\xylocalColor@=\xyNoColor@@
\let\xycolorwarning@=\xycolorwarning@@
\let\xdviColor@@=\xdvi@Color@
\let\UnloadColor@@=\UnloadColor@
}
\xydef@\NoXDVIcolordvi@{\xywarning@{%
Neither colordvi.tex nor colordvi.sty could be found.}%
\xyBEcolorcheck@}%
\xydef@\xdviCrayola@@{\xdviColor@@\xdviCrayola@}
\xydef@\xdviCrayola@{%
\let\prevxycolor@=\newxycolor@
\def\newxyXDVIcolor@##1##2##3{\prevxycolor@{##1}{}{##1}}%
\let\newxycolor@=\newxyXDVIcolor@
\installCrayolaColors@
\let\newxycolor@=\prevxycolor@ }%
\xydef@\xdviPS@@{\xdviPS@}
\xydef@\xdviPS@unload{\UnloadPS@
\let\UnloadPS@@=\UnloadPS@
\let\xdviPS@@=\xdviPS@ }
\xydef@\xdviPStypes@{%
\xyinputorelse@{xyps-ps}{\xydrivernoload@{ps-ps}}%
\ifx\PSspecial@@\xdviSpecial@\else
\let\PSspecial@@=\xdviSpecial@
\let\PSmacro@@=\xdviMacro@
\let\PSdict@@=\xdviDict@
\let\PSspecialdict@@=\xdviDict@
\let\PSraw@@=\xdviRaw@
\let\PSinclude@@=\xdviInclude@
\let\xyPSobeylines@@=\obeyXDVIlines@
\let\xyPScurrpt@@=\xdviCurrpt@@
\xdvi@@{PostScript}%
\fi \XYpredict@ }
\xywarnifdefined\xdviSpecial@
\xywarnifdefined\xdviMacro@
\xywarnifdefined\xdviDict@
\xywarnifdefined\xdviInclude@
\xywarnifdefined\xdviRaw@
{\catcode`\"=11 \catcode`\!=11 \catcode`\:=11
\gdef\xdviSpecial@#1{\special{ps:: SDict begin #1 end}}
\gdef\xdviMacro@#1{\firstPS@@\special{" {#1}xy}}
\gdef\xdviDict@#1{\special{! #1}}
\gdef\xdviInclude@#1{\special{header=#1}}
\gdef\xdviRaw@#1{\special{ps: SDict begin #1 end}}
\catcode`\^^M=\active
\gdef\next{\catcode`\^^M=\active \let^^M=\space }}%
\xylet@\obeyXDVIlines@=\next
\xydef@\xdviCurrpt@{\let\xyPScurrpt@@=\xdviCurrpt@@}%
\xydef@\xdviCurrpt@@{\PSraw@@{xyp}}
\xydef@\xdviPS@{\xdviPStypes@
\let\xdviPS@@=\PSspecials@true
\let\UnloadPS@@=\xdviPS@unload
\let\installxyps@@=\relax \installxyps@ }
\xydef@\xdviRotate@@{\xdviRotate@}
\xydef@\xdviRotate@{\xdviPStypes@
\expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
\xyinputorelse@{xyps-r}{\xydrivernoload@{ps-r}}%
\xdviCurrpt@ \xdviRotScale@ \installPSrotscale@ }%
\else\DN@{\xydriverfail@{rotations are}UnloadRotate@\relax}\fi
\next@ }
\xydef@\xdviRotScale@{%
\def\xyrot@start(##1){{xyct ##1\space xyrs }}%
\def\xyrot@end{}%
\def\xyscale@start(##1,##2){{xyct ##1\space##2\space xyss }}%
\def\xyscale@end{}}
\xydef@\xdviLine@@{\xdviLine@}
\xydef@\xdviLine@{\xdviPStypes@
\expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
\xyinputorelse@{xyps-l}{\xydrivernoload@{ps-l}}\installPSline@ }%
\else\DN@{\xydriverfail@{line-widths are}\UnloadLine@\relax}\fi
\next@ }
\xydef@\xdviFrames@@{\xdviFrames@}
\xydef@\xdviFrames@{\xdviPStypes@
\expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
\xyinputorelse@{xyps-f}{\xydrivernoload@{ps-f}}\installPSframes@ }%
\else\DN@{\xydriverfail@{frames are}\UnloadFrames@\relax}\fi
\next@ }
\xydef@\xdviTiles@@{\xdviTiles@}
\xydef@\xdviTiles@{\xdviPStypes@
\expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
\xyinputorelse@{xyps-t}{\xydrivernoload@{ps-t}}\installPSpatterns@ }%
\else\DN@{\xydriverfail@{Patterns are}\UnloadPSpatterns@\relax}\fi
\next@ }
\xydef@\xdviTPIC@@{\xdviTPIC@}
\xydef@\xdviTPIC@{\setupxyTPIC@}
\xyendinput
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