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xyps-c.doc
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1995-03-15
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%% $Id: xyps-c.doc,v 2.9 1994/06/09 14:38:56 ross Exp $
%%
%% XY-pic ``Colour extension'' PostScript backend support.
%% Copyright (c) 1993-1994 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) 1991-1994 Kristoffer H. Rose <kris@diku.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\xypscloaded\relax \message{not reloaded}\endinput \fi
\let\xypscloaded=\relax \xycatcodes
\DOCMODE3%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
This included file (version \stripRCS$Revision: 2.9 $) provides \XY-ps
support for the effects defined in the |color| extension.
\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\DOCHEADER
All effects defined in the |color| extension can
be implemented using the \PS\ back-end, loaded as |xyps|.
This file provides ``generic'' \PS\ code which is known to work
correctly with most drivers. No attempt is made to provide special
code for particular drivers; for driver-specific variations, consult
the appropriate |xyps-|<driver> file.
\DOCMODE(
\xyrequire{color}
\xyrequire{ps}
\xycatcodes
\DOCMODE)
\DOCMODE(
\xydef@\xyPSnewcolor@#1#2{%
\expandafter\DN@\expandafter{\csname *shape@#1@\endcsname}%
\DNii@{\relax}\ifx\next@\nextii@\newxycolor{#1}{}\relax\fi
\expandafter\DNii@\expandafter{\csname xyPSshape@#1@\endcsname}%
\expandafter\def\nextii@{\xyPScolor@{#2}}%
\ifx\nextii@\empty\expandafter\def\next@{\xyPSnotimplemented@@`#1'@@}%
\else
\edef\tmp@{\noexpand\let\expandafter\noexpand\next@
\expandafter\noexpand\nextii@}\expandafter\tmp@\fi }
\xydef@\xyPScolor@#1{\bgroup
\def\preStyle@@{\xyPSpre@}\def\postStyle@@{\xyPSpost@}%
\let\modPSboxz@=\modXYstyle@
% \xyPSsplitPS@{mark{#1}xyc}{xypop}%
\xyPSsplitPS@{#1 /xycolor{#1}def }{}%
\toks@={\egroup\let\xy@style@=\relax \def\Drop@@}%
\expandafter\addtotoks@\expandafter{\expandafter{\Drop@@}\def\Connect@@}%
\expandafter\addtotoks@\expandafter{\expandafter{\Connect@@}}\the\toks@}
\xyPSalternative@{\xycolor@}{color}
\xyPSalternative@{\newxycolor@}{newcolor}
\DOCMODE)
\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\paragraph*{The end \& Log}\leavevmode
\DOCMODE(
\xyendinput
% $Log: xyps-c.doc,v $
% Revision 2.9 1994/06/09 14:38:56 ross
% Release 3beta.
% Includes support for special effects: Rotations, Scaling, Line-width, Colour.
% Back-ends are separated into separate files.
% More back-ends are supported, experimentally --- needs testing.
%
% Revision 2.9 1994/06/09 14:38:56 ross
% Release 3beta.
% Includes support for special effects: Rotations, Scaling, Line-width, Colour.
% Back-ends are separated into separate files.
% More back-ends are supported, experimentally --- needs testing.
%
% NEW for version 2.9 by by Ross Moore.
\DOCMODE)
\DOCMODE3%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Tell Emacs that this is a LaTeX document and how it is formatted:
% Local Variables:
% mode:latex
% fill-column:77
% fill-prefix:""
% End: