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+%% xydvitops.tex from $Id: xydvitops.doc,v 3.3 1996/12/18 09:14:36 ross Exp $
+%%
+%% Xy-pic ``DVITOPS-driver'' 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{dvitops}{DVITOPS driver}{\stripRCS$Revision: 3.3 $}%
+ {Ross Moore}{ross@mpce.mq.edu.au}%
+ {Mathematics Department, Macquarie University, NSW~2109, Australia}
+\xydef@\dvitops@@#1{\dvimessage@{DVITOPS}{#1}}
+\newdriver{%
+ \xyaddsupport{color}\dvitopsColor@@
+ \xyaddsupport{crayon}\dvitopsCrayon@@
+ \xyaddsupport{ps}\dvitopsPS@@
+ \xyaddsupport{rotate}\dvitopsRotate@@
+ \xyaddsupport{line}\dvitopsLine@@
+ \xyaddsupport{frame}\dvitopsFrames@@
+ \xyaddsupport{tile}\dvitopsTiles@@
+ \xyaddsupport{cmtip}\relax
+}
+\xydef@\dvitopsColor@@{\dvitops@Color@}
+\xydef@\dvitops@Color@{\dvitopsPStypes@ 
+ \let\xylocalColor@=\xyDVITOPScolor@ 
+ \let\xycolor@push\xycolor@push@@
+ \def\xycolor@{\xycolor@@}\let\xycolorwarning@=\relax
+ \expandafter\ifx\csname xyps-psloaded\endcsname\empty\DN@{%
+ \xyinputorelse@{xyps-c}{\xydrivernoload@{ps-c}}\xycatcodes
+ \installPScolor@ }\else\DN@{}\fi \next@
+ \ifx\xycolor@@\xyNoColor@ \let\xycolor@@=\xycolor@raw@@\fi
+ \ifx\xycrayolaloaded\empty \DN@{\xystandardcolors@\dvitopsCrayon@{}}%
+ \else\let\next@=\xystandardcolors@
+ \fi \next@
+ \let\dvitops@Color@@=\relax
+ \let\UnloadColor@@=\NoDVITOPScolor@
+ }%
+\xydef@\NoDVITOPScolor@{%
+ \def\xycolor@{\xycolor@@}%
+ \let\xycolor@@=\xyNoColor@
+ \let\xylocalColor@=\xyNoColor@@
+ \let\xycolorwarning@=\xycolorwarning@@
+ \let\dvitops@Color@@=\dvitops@Color@
+ }
+\xydef@\xyDVITOPScolor@{\bgroup \DN@##1##2{\egroup}%
+ \ifInvisible@\else\ifHidden@\else\DNii@{\no@@}\ifx\nextii@\Connect@@ 
+ \else\DN@{\xyDVITOPScolor@i}\fi\fi\fi \next@ }
+\xydef@\xyDVITOPScolor@i#1#2{\checkXyStyle@ 
+ \DN@{#2}\ifx\next@\empty
+ \def\tmp@##1{\DN@{\xycolor@begin##1\xycolor@end{#1}}}%
+ \else\DNii@{gray}\ifx\next@\nextii@
+ \def\tmp@##1{\DN@{\xycolor@begin##1\xycolor@end{gray}{#1}}}%
+ \else\DNii@{rgb}\ifx\next@\nextii@
+ \def\tmp@##1{\DN@{\xycolor@begin##1\xycolor@end{rgbcolor}{#1}}}%
+ \else\DNii@{hsb}\ifx\next@\nextii@
+ \def\tmp@##1{\DN@{\xycolor@begin##1\xycolor@end{hsbcolor}{#1}}}%
+ \else \DN@{\xywarning@{DVITOPS cannot support color: #2 #1}}%
+ \fi\fi\fi\fi
+ \toks@={\egroup \let\xy@style@=\relax \def\Drop@@}%
+ \expandafter\tmp@\expandafter{\Drop@@}%
+ \expandafter\addtotoks@\expandafter{\expandafter{\next@}\def\Connect@@}%
+ \expandafter\tmp@\expandafter{\Connect@@}%
+ \expandafter\addtotoks@\expandafter{\expandafter{\next@}}%
+ \the\toks@ }%
+\xydef@\xycolor@begin{\dvitopsBegin@{color}}
+\xydef@\xycolor@end{\dvitopsEnd@{color}\dvitopsColor@x}
+\xydef@\dvitopsCrayon@@{\dvitopsColor@@\dvitopsCrayon@}
+\xydef@\dvitopsCrayon@{\installCrayolaColors@}%
+\xydef@\dvitopsPS@@{\dvipsPS@}
+\xydef@\dvitopsPS@unload{\UnloadPS@
+ \let\UnloadPS@@=\UnloadPS@
+ \let\dvitopsPS@@=\dvitopsPS@ }
+\xydef@\dvitopsPStypes@{%
+ \xyinputorelse@{xyps-ps}{\xydrivernoload@{ps-ps}}%
+ \ifx\PSspecial@@\dvitopsSpecial@\else
+ \let\PSspecial@@=\dvitopsSpecial@
+ \let\PSmacro@@=\dvitopsMacro@
+ \let\PSdict@@=\dvitopsDict@
+ \let\PSspecialdict@@=\dvitopsDict@
+ \let\PSraw@@=\dvitopsRaw@
+ \let\PSinclude@@=\dvitopsInclude@
+ \let\xyPSobeylines@@=\obeyDVIPSlines@
+ \let\xyPScurrpt@@=\dvitopsCurrpt@@
+ \dvitops@@{PostScript}%
+ \fi
+ \XYpredict@ }
+\xywarnifdefined\dvitopsSpecial@
+\xywarnifdefined\dvitopsMacro@
+\xywarnifdefined\dvitopsDict@
+\xywarnifdefined\dvitopsInclude@
+\xywarnifdefined\dvitopsRaw@
+\xywarnifdefined\dvitopsOrigin@
+\xywarnifdefined\dvitopsBegin@
+\xywarnifdefined\dvitopsEnd@
+\xywarnifdefined\dvitopsRotate@x
+\xywarnifdefined\dvitopsTransform@x
+\xywarnifdefined\dvitopsColor@x
+{\catcode`\:=11
+ \gdef\dvitopsSpecial@#1{\special{dvitops: inline #1}}
+ \gdef\dvitopsMacro@#1{\special{dvitops: inline {#1}xy}}
+ \gdef\dvitopsDict@#1{\special{dvitops: inline #1}}
+ \gdef\dvitopsInclude@#1{\special{dvitops: prolog #1}}
+ \gdef\dvitopsRaw@#1{\special{dvitops: inline #1}}
+ \gdef\dvitopsOrigin@#1{\special{dvitops: origin #1}}
+ \gdef\dvitopsBegin@#1{\special{dvitops: begin #1}}
+ \gdef\dvitopsEnd@#1{\special{dvitops: end #1}}
+ \gdef\dvitopsRotate@x#1{\special{dvitops: rotate #1}}
+ \gdef\dvitopsTransform@x#1{\special{dvitops: transform #1}}
+ \gdef\dvitopsColor@x#1#2{\special{dvitops: #1 color #2}}
+}
+\catcode`\^^M=\active
+ \gdef\next{\catcode`\^^M=\active \let^^M=\space }}%
+\xylet@\obeyDVIPSlines@=\next
+\xydef@\dvitopsCurrpt@{\global\let\xyPScurrpt@@=\relax}%
+\xydef@\dvitopsPS@{\dvitopsPStypes@ 
+ \let\installxyps@@=\relax \installxyps@ }
+\xydef@\dvitopsRotate@@{\dvitopsRotate@}
+\xydef@\dvitopsRotate@{\dvitopsPStypes@
+ \expandafter\ifx\csname xyps-psloaded\endcsname\empty
+ \DN@{\xyinputorelse@{xyps-r}{\xydrivernoload@{ps-r}}%
+ \installDVITOPSrotate@ }%
+ \else\DN@{\xydriverfail@{rotations are}\UnloadRotate@\relax}\fi
+ \next@ }
+\xydef@\dvitopsRotScale@{%
+ \def\xyrot@start{\dvitopsBegin@{rot}\dvitopsOrigin@{rot}}%
+ \def\xyrot@end(##1){\dvitopsEnd@{rot}\dvitopsRotate@x{##1}}%
+ \def\xyscale@start{\dvitopsBegin@{scal}\dvitopsOrigin@{scal}}%
+ \def\xyscale@end(##1,##2){%
+ \dvitopsEnd@{scal}\dvitopsTransform@x{##1 0 ##2 0}}%
+ }
+\xydef@\installDVITOPSrotate@{\installPSstyle@
+ \let\xyRotate@@=\dvitopsRotate@
+ \let\doSpecialRotate@@=\dvitopsSpecialRotate@
+ \let\xyscale@@=\dvitopsScale@
+ \dvitopsCurrpt@
+ \dvitopsRotScale@ \xyPSshapes@true }
+\xydef@\UnloadDVITOPSrotate@{\UnloadRotate@\relax}
+ \xydef@\dvitopsRotate@#1{\xyPSsplitPS@
+ {\dvitopsBegin@{rot}\dvitopsOrigin@{rot}}%
+ {\dvitopsEnd@{rot}\dvitopsRotate@x{#1}}}%
+ \xydef@\dvitopsScale@#1#2{\xyPSsplitPS@
+ {\dvitopsBegin@{scal}\dvitopsOrigin@{scal}}%
+ {\dvitopsEnd@{scal}\dvitopsTransform@x{#1 0 #2 0}}}
+ \xydef@\dvitopsSpecialRotate@#1@@{\dvitopsRotate@{#1}}
+\xydef@\dvitopsLine@@{\dvitopsLine@}
+\xydef@\dvitopsLine@{\dvitopsPStypes@ 
+ \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@\dvitopsFrames@@{\dvitopsFrames@}
+\xydef@\dvitopsFrames@{\dvitopsPStypes@
+ \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@\dvitopsTiles@{\dvitopsPStypes@ 
+ \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@\dvitopsTPIC@@{\dvitopsTPIC@}
+\xydef@\dvitopsTPIC@{\setupxyTPIC@}
+\xyendinput