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+%% xytextures.tex from $Id: xytextures.doc,v 3.3 1996/12/18 09:41:45 ross Exp $
+%%
+%% Xy-pic ``Textures'' driver interface option.
+%% Copyright (c) 1995-1996 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) 1991-1996 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.
+%%
+\ifx\xyloaded\undefined \input xy \fi
+\xyprovide{textures}{Textures driver}{\stripRCS$Revision: 3.3 $}%
+ {Ross Moore}{ross@mpce.mq.edu.au}%
+ {Mathematics Department, Macquarie University, NSW~2109, Australia}
+\xydef@\Textures@@#1{\dvimessage@{Textures}{#1}}
+\newdriver{%
+ \xyaddsupport{color}\texturesColor@@
+ \xyaddsupport{crayon}\texturesCrayon@@
+ \xyaddsupport{ps}\texturesPS@@
+ \xyaddsupport{rotate}\texturesRotate@@
+ \xyaddsupport{line}\texturesLine@@
+ \xyaddsupport{frame}\texturesFrames@@
+ \xyaddsupport{tile}\texturesTiles@@
+ \xyaddsupport{cmtip}\relax
+}
+\xydef@\TexturesColor@push#1{\special{color push}\special{color #1}}
+\xydef@\TexturesColours@{\texturesPStypes@
+ \let\xylocalColor@=\xystackcolor@
+ \let\xycolor@push=\TexturesColor@push
+ \def\xycolor@{\xycolor@@}%
+ \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@\texturesCrayon@@{}}%
+ \else\let\next@=\xystandardcolors@ \fi \next@
+ \let\xycolorwarning@=\relax \Textures@@{color}%
+ \let\texturesColor@@=\relax
+ \let\UnloadColor@@=\NoTexturesColor@
+ }
+\xydef@\texturesColor@@{\TexturesColours@}
+\xydef@\NoTexturesColor@{%
+ \let\xylocalColor@=\xyNoColor@@
+ \let\xycolor@=\xyNoColor@
+ \let\xycolorwarning@=\xycolorwarning@@
+ \let\texturesColor@@=\TexturesColours@
+ \let\UnloadColor@@=\UnloadColor@
+ }
+\xydef@\texturesCrayon@@{\texturesColor@@\texturesCrayon@}
+\xydef@\texturesCrayon@{\installCrayolaColors@}%
+\xydef@\texturesPS@@{\texturesPS@}
+\xydef@\texturesPSunload@{\UnloadPS@
+ \let\UnloadPS@@=\UnloadPS@
+ \let\texturesPS@@=\texturesPS@ }
+\xydef@\texturesPStypes@{%
+ \xyinputorelse@{xyps-ps}{\xydrivernoload@{ps-ps}}%
+ \ifx\PSspecial@@\TexturesSpecial@\else
+ \let\PSspecial@@=\TexturesSpecial@
+ \let\PSmacro@@=\TexturesMacro@
+ \let\PSdict@@=\TexturesDict@
+ \let\PSraw@@=\TexturesRaw@
+ \let\PSinclude@@=\TexturesInclude@
+ \let\PSspecialdict@@=\TexturesSpecialDict@
+ \let\xyPSobeylines@@=\obeyTextureslines@
+ \Textures@@{PostScript}%
+ \fi \texturesCurrpt@ \XYpredict@ }
+\xydef@\TexturesSpecial@#1{\firstPS@@\special{postscript #1}}
+\xydef@\TexturesMacro@#1{\special{postscript {#1}xy}}
+\xydef@\TexturesDict@#1{\special{prePostScript #1}}
+\xydef@\TexturesSpecialDict@#1{\special{prePostScript #1}}
+\xydef@\TexturesInclude@#1{\firstPS@@\special{prePostScriptfile #1}}
+\xydef@\TexturesRaw@#1{\firstPS@@\special{rawpostscript #1}}%
+{\catcode`\^^M=\active%
+ \gdef\next{\catcode`\^^M=\active \let^^M=\par%
+ \let\PSspecial@@=\TexturesDict@ \obeyspaces}}
+\xylet@\obeyTextureslines@=\next
+\xydef@\texturesCurrpt@{\let\xyPScurrpt@@=\texturesCurrpt@@}%
+\xydef@\texturesCurrpt@@{\PSspecial@@{xyi}\PSraw@@{userdict begin xyx end}}
+\xydef@\texturesPS@{\texturesPStypes@
+ \let\texturesPS@@=\relax
+ \let\UnloadPS@@=\texturesPSunload@
+ \let\installxyps@@=\relax \installxyps@ }
+\xydef@\texturesRotate@@{\texturesRotate@}
+\xydef@\texturesRotate@{\texturesPStypes@
+ \expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
+ \xyinputorelse@{xyps-r}{\xydrivernoload@{ps-r}}%
+ \xyRotScale@@ \installPSrotscale@ }%
+ \else\DN@{\xydriverfail@{rotations are}\UnloadRotate@\relax}\fi
+ \next@}
+\xydef@\texturesLine@@{\texturesLine@}
+\xydef@\texturesLine@{\texturesPStypes@
+ \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@\texturesFrames@@{\texturesFrames@}
+\xydef@\texturesFrames@{\texturesPStypes@
+ \expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
+ \xyinputorelse@{xyps-f}{\xydrivernoload@{ps-f}}%
+ \installPSframes@ }%
+ \else\DN@{\xydriverfail@{frames are}\UnloadPSFrames@\relax}\fi
+ \next@ }
+\xydef@\texturesTiles@@{\texturesTiles@}
+\xydef@\texturesTiles@{\texturesPStypes@
+ \expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
+ \xyinputorelse@{xyps-t}{\xydrivernoload@{ps-t}}%
+ \installPSpatterns@ \xystandardpatterns@}%
+ \else\DN@{\xydriverfail@{Patterns are}\UnloadPSpatterns@\relax}\fi
+ \next@ }
+\xyendinput