<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 2-3-13 on page 49.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.83385pt}

\StartShownPreambleCommands
\usepackage{xcolor,pict2e,curve2e}
\StopShownPreambleCommands
\begin{document}
\setlength\unitlength{1cm}
\begin{picture}(5,5)(0.,0.)
  \Curve(2.5,0.0)&lt;0,1&gt;(3.0,1.5)&lt;1,1&gt;%
  (5.0,2.5)&lt;1,0&gt;[-1,0](3.0,3.5)&lt;-1,1&gt;%
  (2.5,5.0)&lt;0,1&gt;[0,-1](2.,3.5)&lt;-1,-1&gt;%
  (0.0,2.5)&lt;-1,0&gt;[1,0](2.,1.5)&lt;1,-1&gt;%
  (2.5,0.0)&lt;0,-1&gt;
  \color{blue}
  \thinlines
  \put(0,0){\line(0,5){5}}\put(0,0){\line(5,0){5}}
  \put(5,0){\Line(0,5)}   \LINE(0,5)(5,5)
\end{picture}
\end{document}
</pre></body></html>