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%%
%% The LaTeX Companion, 3ed
%%
%% Example 8-5-12 on page I-639 in "Basic objects".
%%
%% 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{159.0pt}
\setlength\parindent{0pt}
%the pattern is rgb by default. We force it to cmyk
\makeatletter
\AddToHook{begindocument/before}{
\pgfutil@addpdfresource@colorspaces{ /tlc3pattern [/Pattern /DeviceCMYK] }
\def\pgfsys@setpatternuncolored#1#2#3#4{%
\pgfsysprotocol@literal{/tlc3pattern cs 0 0 0 1 /pgfpat#1\space scn}%
}}
\makeatother
%StartShownPreambleCommands
\usepackage{tikz}
\usetikzlibrary{patterns}
%StopShownPreambleCommands
\begin{document}
\centering
\tikz\path[draw] (0,0)--(1,1.5)--(1.5,3)--(1,0);
\tikz\path[fill=blue]
(0,0)--(1,1.5)--(1.5,3)--(1,0);
\tikz\path[fill=blue,draw=black,line width=2pt]
(0,0)--(1,1.5)--(1.5,3)--(1,0);
\par\medskip
\tikz\path[pattern=fivepointed stars,draw=blue]
(0,0)rectangle(1,1.5);\quad
\tikz\path[shade,left color=lightgray,right color=black,
middle color=white](0,0)rectangle(1,1.5);
\end{document}
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