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% tkz-obj-eu-polygons.tex
% Copyright 2023 Alain Matthes
% This work 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.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
% This work has the LPPL maintenance status “maintained”.
% The Current Maintainer of this work is Alain Matthes.
\def\fileversion{5.00c}
\def\filedate{2023/01/23}
\typeout{2023/01/23 5.00c tkz-obj-eu-polygons.tex}
\makeatletter
%<--------------------------------------------------------------------------–>
% Polygon
%<--------------------------------------------------------------------------–>
%<---------------------------- Draw --------------------------------–>
%
%<--------------------------------------------------------------------------–>
\def\tkzDrawPolygon{\pgfutil@ifnextchar[{\tkz@DrawPolygon}{%
\tkz@DrawPolygon[]}}
\def\tkz@DrawPolygon[#1](#2,#3){%
\begingroup
\draw[line style,line join=round,#1] (#2)
\foreach \pt in {#2,#3}{--(\pt)}--cycle;%
\endgroup
}
%<--------------------------------------------------------------------------–>
\def\tkz@multipolygons#1 #2\@nil{%
\protected@edef\tkz@temp{
\noexpand \tkzDrawPolygon[\tkz@optpolygon](#1)}\tkz@temp%
\def\tkz@nextArg{#2}%
\ifx\tkzutil@empty\tkz@nextArg
\let\next\@gobble
\fi
\next#2\@nil
}
%<--------------------------------------------------------------------------–>
\def\tkzDrawPolygons{\pgfutil@ifnextchar[{\tkz@DrawPolygons}{\tkz@DrawPolygons[]}}
\def\tkz@DrawPolygons[#1](#2){%
\xdef\tkz@optpolygon{#1}
\begingroup
\let\next\tkz@multipolygons
\next#2 \@nil %
\endgroup
}%
%<--------------------------------------------------------------------------–>
%<--------------------------------------------------------------------------–>
%<---------------------------- FILL --------------------------------–>
%
%<--------------------------------------------------------------------------–>
\def\tkzFillPolygon{\pgfutil@ifnextchar[{\tkz@FillPolygon}{%
\tkz@FillPolygon[]}}
\def\tkz@FillPolygon[#1](#2,#3){%
\begingroup
\fill[#1] (#2)
\foreach \pt in {#2,#3}{--(\pt)}--cycle;%
\endgroup
}
%<--------------------------------------------------------------------------–>
%<-------------- Labels for Regular Polygon -------------------------–>
%
%<--------------------------------------------------------------------------–>
\pgfkeys{/deflabelregpoly/.cd,
name/.store in = \tkz@regpolname,
sep/.store in = \tkz@regpolsep,
name = P,
sep = 1.1
}
\def\tkzLabelRegPolygon{\pgfutil@ifnextchar[{\tkz@labelPolygon}{%
\tkz@labelPolygon[]}}
\def\tkz@labelPolygon[#1](#2)#3{%
\begingroup
\pgfqkeys{/deflabelregpoly}{#1}
\foreach \v [count=\vi from 1] in {#3} {%
\path (#2) to [pos=1.1] node {$\v$} (\tkz@regpolname\vi) ;
\pgfnodealias{\v}{\tkz@regpolname\vi}
}
\endgroup
}
%<---------------------------- CLIP --------------------------------–>
%
%<--------------------------------------------------------------------------–>
\pgfkeys{tkzclippolygon/.cd,
out code/.is if = tkzClipOutPoly,
out/.code = \tkzClipOutPolyfalse}
\def\tkzClipPolygon{\pgfutil@ifnextchar[{\tkz@ClipPolygon}{\tkz@ClipPolygon[]}}
\def\tkz@ClipPolygon[#1](#2,#3){%
\tkzClipOutPolytrue
\pgfqkeys{/tkzclippolygon}{#1}%
\iftkzClipOutPoly
\clip (#2)
\foreach \pt in {#2,#3}{--(\pt)}--cycle;
\else
\clip(#2)
\foreach \pt in {#2,#3}{--(\pt)}--cycle[tkzreverseclip] ;
\fi
}%
\makeatother
\endinput
|
