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-% Copyright 2006 by Till Tantau
-%
-% This file may be distributed and/or modified
-%
-% 1. under the LaTeX Project Public License and/or
-% 2. under the GNU Public License.
-%
-% See the file doc/generic/pgf/licenses/LICENSE for more details.
-
-\RequirePackage{pgfrcs}
-
-\ProvidesPackageRCS[v\pgfversion] $Header: /cvsroot/pgf/pgf/latex/pgf/compatibility/pgfautomata.sty,v 1.3 2006/10/11 15:22:27 tantau Exp $
-
-
-\RequirePackage{pgf}
-
-\PackageWarning{pgfautomata}{This package is obsolete.}
-
-\ProcessOptions
-
-%
-% Package for drawing finite automata.
-%
-
-
-\newdimen\pgf@stateradius
-\newdimen\pgf@mooreradius
-\newdimen\pgf@doublethickness
-\newdimen\pgf@statebackoff
-
-
-
-
-% Automaton environment - setup of certain drawing parameters like arrows.
-%
-% Example:
-%
-% \begin{pgfpicture}{-2cm}{-2cm}{2cm}{2cm}%
-% \begin{pgfautomaton}
-% \pgfstaterejecting{q1}{\pgforigin}{$q_1$}
-% \pgfstateaccepting{q2}{\pgfstaterelative[east]{q1}{1cm}}{$q_2$}
-% \pgfstateaccepting{q3}{\pgfstaterelative[east]{q2}{1cm}}{$q_3$}
-%
-% \pgfstateconnect{q1}{q2}[.5]{$0$}
-% \pgfstateconnect{q2}{q3}[.5]{$1$}
-% \pgfstateloop{q1}{90}{$1$}
-% \pgfstateloop{q2}{90}{$1$}
-% \end{pgfautomaton}
-% \end{pgfpicture}
-
-\def\pgfautomaton{\begin{pgfscope}%
- \pgfsetendarrow{\pgfarrowto}%
- \pgfnodesetsepend{4pt}\ignorespaces}
-\def\endpgfautomaton{\end{pgfscope}}
-
-
-
-% Set the outer state radius to #1.
-%
-% #1 = new state radius.
-%
-% Example:
-%
-% \pgfsetstateradius{10pt}
-
-\def\pgfsetstateradius#1{\setlength\pgf@stateradius{#1}\ignorespaces}
-
-\pgfsetstateradius{1em}
-
-
-
-% Set the state radius for Moore states to #1.
-%
-% #1 = new state radius.
-%
-% Example:
-%
-% \pgfsetstatemooreradius{10pt}
-
-\def\pgfsetstatemooreradius#1{\setlength\pgf@mooreradius{#1}\ignorespaces}
-
-\pgfsetstatemooreradius{2em}
-
-
-
-% Set the distance between the outer and the inner circle in an
-% accepting state.
-%
-% #1 = new distance radius.
-%
-% Example:
-%
-% \pgfsetstatecircledistance{1.2pt}
-
-\def\pgfsetstatecircledistance#1{\setlength\pgf@doublethickness{#1}\ignorespaces}
-
-\pgfsetstatecircledistance{1.6pt}
-
-
-
-% Set the distance between a connecting line and a label to #1.
-%
-% #1 = new distance
-%
-% Example:
-%
-% \pgfsetstatelabeldistance{4pt}
-
-\def\pgfsetstatelabeldistance#1{\setlength\pgf@statebackoff{#1}\ignorespaces}
-
-\pgfsetstatelabeldistance{4pt}
-
-
-% Draws an accepting state #1 with name #3 at position #2.
-%
-% #1 = a name
-% #2 = a point
-% #3 = a text
-%
-% Example:
-%
-% \pgfstateaccepting{q1}{\pgfxy(1,1)}{$q_1$}
-
-\def\pgfstateaccepting#1#2#3{%
- \pgfnodecircle{#1}[stroke]{#2}{\pgf@stateradius}%
- \pgfputat{#2}{\pgfbox[center,center]{#3}}%
- {%
- \pgf@xa=\pgf@stateradius%
- \advance\pgf@xa by-\pgf@doublethickness%
- \pgfcircle[stroke]{#2}{\pgf@xa}}\ignorespaces}
-
-
-% Draws a rejecting state #1 with name #3 at position #2.
-%
-% #1 = a name
-% #2 = a point
-% #3 = a text
-%
-% Example:
-%
-% \pgfstaterejecting{q2}{\pgfstatedirection[n]{q1}}{$q_2$}
-
-\def\pgfstaterejecting#1#2#3{%
- \pgfnodecircle{#1}[stroke]{#2}{\pgf@stateradius}%
- \pgfputat{#2}{\pgfbox[center,center]{#3}}\ignorespaces}
-
-
-% Draws a Moore state #1 with name #3 and output #4 at position #2.
-%
-% #1 = a name
-% #2 = a point
-% #3 = a text
-% #4 = an output text
-%
-% Example:
-%
-% \pgfstatemoore{q}{\pgfxy(1,1)}{$q_1$}{$0,1$}
-
-\def\pgfstatemoore#1#2#3#4{%
- \pgfnodecircle{#1}[stroke]{#2}{\pgf@mooreradius}%
- \begin{pgftranslate}{#2}%
- \begin{pgfscope}%
- \pgfsetdash{{2pt}{1pt}}{0pt}%
- \pgfmoveto{\pgfpoint{-\pgf@mooreradius}{0cm}}%
- \pgflineto{\pgfpoint{\pgf@mooreradius}{0cm}}%
- \pgfqstroke%
- \end{pgfscope}%
- \pgfputat{\pgfpoint{0cm}{0.4\pgf@mooreradius}}{\pgfbox[center,base]{#3}}%
- \pgfputat{\pgfpoint{0cm}{-0.2\pgf@mooreradius}}{\pgfbox[center,top]{#4}}%
- \end{pgftranslate}\ignorespaces}
-
-
-
-
-% Connect states #1 and #2 and draw #4 above label, #3-th part of the
-% way from #1 to #2.
-%
-% #1 = a start state
-% #2 = an end state
-% #3 = a fraction of the distance between the two
-% #4 = a label
-%
-% Example:
-%
-% \pgfstateconnect{q1}{q2}[.5]{$0$}
-
-\def\pgfstateconnect#1#2[#3]#4{%
- \pgfnodeconnline{#1}{#2}%
- \pgfnodelabel{#1}{#2}[#3][\pgf@statebackoff]%
- {\pgfbox[center,bottom]{#4}}\ignorespaces}
-
-
-
-% Connect states #1 and #2 and draw #4 above label, #3-th part of the
-% way from #1 to #2.
-%
-% #1 = a start state
-% #2 = an end state
-% #3 = a fraction of the distance between the two
-% #4 = a label
-%
-% Example:
-%
-% \pgfstateconnectrotated{q1}{q2}[.5]{$0$}
-
-\def\pgfstateconnectrotated#1#2[#3]#4{%
- \pgfnodeconnline{#1}{#2}%
- \pgfnodelabelrotated{#1}{#2}[#3][\pgf@statebackoff]%
- {\pgfbox[center,bottom]{#4}}\ignorespaces}
-
-
-
-% Connect state #1 with itself with label #3 and a loop going in
-% direction #2.
-%
-% #1 = a state
-% #2 = an angle
-% #3 = a label
-%
-% Example:
-%
-% \pgfstateloop{q1}{90}{$0$}
-
-\def\pgfstateloop#1#2#3{%
- \c@pgf@counta=#2\relax%
- \c@pgf@countb=#2\relax%
- \advance\c@pgf@counta by15\relax%
- \advance\c@pgf@countb by-15\relax%
- \pgfnodeconncurve{#1}{#1}{\the\c@pgf@counta}{\the\c@pgf@countb}{2\pgf@stateradius}{2\pgf@stateradius}%
- \pgfputat{\pgfnodeborder{#1}{#2}{2.25\pgf@stateradius}}{\pgfbox[center,center]{#3}}\ignorespaces}
-
-
-
-% Connect states #1 and #2 and draw #4 above label, #3-th part of the
-% way from #1 to #2.
-%
-% #1 = a start state
-% #2 = an end state
-% #3 = a start angle
-% #4 = an end angle
-%
-% Example:
-%
-% \pgfstatecurve{q1}{q2}{10}{-10}
-
-\def\pgfstatecurve#1#2#3#4{%
- \pgfnodeconncurve{#1}{#2}{#3}{#4}{2\pgf@stateradius}{2\pgf@stateradius}\ignorespaces}
-
-
-
-% Give a position relative to some state.
-%
-% #1 = a direction
-% #2 = a state
-% #3 = a distance
-%
-% Example:
-%
-% \pgfstaterelative[east]{q2}{1cm}
-
-\def\pgfstaterelative{\pgfnoderelative}
-
-
-
-% Draw an initial state by drawing an inleading line.
-%
-% #1 = a state
-% #2 = a direction leading into the state (n,s,e,w)
-% #3 = a label (for example ``start'')
-%
-% Example:
-%
-% \pgfstateinitial{q1}[w]{start}
-
-\def\pgfstateinitial#1[#2]#3{{%
- \pgfmoveto{\pgfrelative{\pgfnodeborder{#1}{\pgfdirection{#2}}{-2pt}}%
- {\pgfpolar{\pgfdirection{#2}}{1.5\pgf@stateradius}}}%
- \pgflineto{\pgfnodeborder{#1}{\pgfdirection{#2}}{\pgf@nodesepend}}%
- \pgfstroke%
- \edef\temp{[\csname pgf@statepos\pgfdirection{#2}\endcsname]}%
- \pgfputat{\pgfrelative{\pgfnodeborder{#1}{\pgfdirection{#2}}{0pt}}%
- {\pgfpolar{\pgfdirection{#2}}{1.5\pgf@stateradius}}}%
- {\expandafter\pgfbox\temp{#3}}}\ignorespaces}
-
-\expandafter\def\csname pgf@statepos0\endcsname{left,center}
-\expandafter\def\csname pgf@statepos90\endcsname{center,bottom}
-\expandafter\def\csname pgf@statepos180\endcsname{right,center}
-\expandafter\def\csname pgf@statepos270\endcsname{center,top}
-
-
-
-% Draw an final state by drawing an outleading line.
-%
-% #1 = a state
-% #2 = a direction leading out of the state (valid directions are
-% n,s,e,w)
-% #3 = a label (for example ``exit'')
-%
-% Example:
-%
-% \pgfstatefinal{q1}[right]{accept}
-
-\def\pgfstatefinal#1[#2]#3{{%
- \pgfmoveto{\pgfnodeborder{#1}{\pgfdirection{#2}}{\pgf@nodesepstart}}%
- \pgflineto{\pgfrelative{\pgfnodeborder{#1}{\pgfdirection{#2}}{-\pgf@nodesepend}}%
- {\pgfpolar{\pgfdirection{#2}}{1.5\pgf@stateradius}}}%
- \pgfstroke%
- \edef\tempb{[\csname pgf@statepos\pgfdirection{#2}\endcsname]}%
- \pgfputat{\pgfrelative{\pgfnodeborder{#1}{\pgfdirection{#2}}{0pt}}%
- {\pgfpolar{\pgfdirection{#2}}{1.5\pgf@stateradius}}}%
- {\expandafter\pgfbox\tempb{#3}}}\ignorespaces}
-
-
-
-\endinput