1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
%%
%% The LaTeX Companion, 3ed
%%
%% Example 8-3-8 on page I-606 in "Extended or changed commands".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%
\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{111.0pt}
%StartShownPreambleCommands
\usepackage{xcolor,pict2e}
\NewDocumentCommand\ShowControls{r()d()}
{\put(#1){\circle*{3}}\IfNoValueF{#2}{\put(#2){\circle{3}}}}
%StopShownPreambleCommands
\begin{document}
\begin{picture}(110,90)
\put(0,0){\framebox(110,90){}}
\qbezier[150](5,5)(20,80)(35,5) \ShowControls(20,80)
\qbezier[50](5,5)(70,85)(105,85) \ShowControls(70,85)
\color{blue}
\qbezier[0](5,5)(40,80)(35,5) \ShowControls(40,80)
\cbezier(70,5)(60,40)(90,40)(105,85)\ShowControls(60,40)(90,40)
\end{picture}
\end{document}
|
