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- %% xyps-c.tex from $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
- \xyrequire{color}
- \xyrequire{ps}
- \xycatcodes
- \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@{#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}
- \xyendinput
-