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% Author     : C. Pierquet
% licence    : Released under the LaTeX Project Public License v1.3c
% or later, see http://www.latex-project.org/lppl.txtf

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{tikz2d-fr}[2023/05/23 0.1.0 Petites aides pour l'utilisation de TikZ 2D]
%0.1.0	Version initiale

%------Packages utiles
\RequirePackage{tikz,pgffor}
\RequirePackage{xstring}
\RequirePackage{xintexpr}
\RequirePackage{simplekv}
\RequirePackage{listofitems}
%------Librairies tikz
\usetikzlibrary{calc}
\usetikzlibrary{decorations,decorations.pathmorphing}

%------Style main levée (avant dans ProfLycee)
\tikzset{%
	mainlevee/.style args={#1et#2}{decorate,decoration={random steps,segment length=#1,amplitude=#2}},
	mainlevee/.default={5mm et 0.6pt}
}

%------Points
%%------Commandes internes pour les nœuds et points
\NewDocumentCommand\TransfPosTikzDD{ m }{%défaut below
	\def\PosTmpLabel{below}
	\IfEq{#1}{b}{\def\PosTmpLabel{below}}{}
	\IfEq{#1}{d}{\def\PosTmpLabel{right}}{}
	\IfEq{#1}{h}{\def\PosTmpLabel{above}}{}
	\IfEq{#1}{g}{\def\PosTmpLabel{left}}{}
	\IfEq{#1}{bg}{\def\PosTmpLabel{below left}}{}
	\IfEq{#1}{bd}{\def\PosTmpLabel{below right}}{}
	\IfEq{#1}{hg}{\def\PosTmpLabel{above left}}{}
	\IfEq{#1}{hd}{\def\PosTmpLabel{above right}}{}
}
\tikzset{pics/croixdd/.style args={#1/#2}{
		code={
			\draw[line width={0.4*#1},rotate=#2] (-#1,0) -- (#1,0);
			\draw[line width={0.4*#1},rotate=#2] (0,-#1) -- (0, #1);
		}
	},
	pics/croixdd/.default={4pt/0}
}

%%------Créer/Placer/Nommer Point(s) 2d
\defKV[TkzTwoDimPoint]{%
	PosLabel=\xdef\TwoDimLabel{#1},%
	DecalLabel=\xdef\TwoDimDecalLabel{#1},%
	StyleMarque=\xdef\TwoDimStylePt{#1},%
	TailleMarque=\xdef\TwoDimtaillePt{#1},%
	Couleur=\xdef\TwoDimCoul{#1}
}

\setKVdefault[TkzTwoDimPoint]{%
	PosLabel={b},%
	DecalLabel=2pt,%
	StyleMarque=o,%
	TailleMarque=2.5pt,%
	Couleur=black,%
	Math=false
}

\NewDocumentCommand\DefinirPoint{ s O{} m m D<>{#3} }{%
	%*=label
	%2=clés
	%3=nom nœud
	%4=coordonnées x,y,z
	%5=label si différent
	\useKVdefault[TkzTwoDimPoint]%
	\setKV[TkzTwoDimPoint]{#2}%
	\TransfPosTikzDD{\TwoDimLabel}
	\coordinate (#3) at (#4) ;
	\IfBooleanTF{#1}%on désactive le label avec (*)
		{}%
		{\draw (#3) node[\TwoDimCoul,\PosTmpLabel=\TwoDimDecalLabel] {\ifboolKV[TkzTwoDimPoint]{Math}{$#5$}{#5}} ;}%
}

\NewDocumentCommand\DefinirPoints{ s O{} m }{%
	%*=labels off
	%2=clés
	%3=liste nom/coordonnées/pos
	\useKVdefault[TkzTwoDimPoint]%
	\setKV[TkzTwoDimPoint]{#2}%
	\setsepchar[.]{ ./}%
	\readlist*\ListePtsPlan{#3}
	\xintifboolexpr{\ListePtsPlanlen == 1}%
		{%
			\IfBooleanTF{#1}%on désactive le label avec (*)
				{%
					\DefinirPoint*[#2]{\ListePtsPlan[1,1]}{\ListePtsPlan[1,2]}
				}%
					{%
					\DefinirPoint[#2,PosLabel={\ListePtsPlan[1,3]}]{\ListePtsPlan[1,1]}{\ListePtsPlan[1,2]}
				}%
		}%
		{%
			\foreach \i in {1,2,...,\ListePtsPlanlen}
				{%
					\IfBooleanTF{#1}%on désactive le label avec (*)
						{%
							\DefinirPoint*[#2]{\ListePtsPlan[\i,1]}{\ListePtsPlan[\i,2]}
						}%
						{%
							\DefinirPoint[#2,PosLabel={\ListePtsPlan[\i,3]}]{\ListePtsPlan[\i,1]}{\ListePtsPlan[\i,2]}
						}%
				}%
		}%
}

\NewDocumentCommand\MarquerPoint{ O{} m }{%
	%1=clés
	%2=nom nœud
	\useKVdefault[TkzTwoDimPoint]%
	\setKV[TkzTwoDimPoint]{#1}%
	\IfStrEq{\TwoDimStylePt}{o}%
		{\filldraw[\TwoDimCoul] (#2) circle[radius={\TwoDimtaillePt-0.5pt}] ;}{}%
	\IfStrEq{\TwoDimStylePt}{x}%
		{\draw[\TwoDimCoul] (#2) pic{croixdd=\TwoDimtaillePt/45} ;}{}%
	\IfStrEq{\TwoDimStylePt}{+}%
		{\draw[\TwoDimCoul] (#2) pic{croixdd=\TwoDimtaillePt/0} ;}{}%
}

\NewDocumentCommand\MarquerPoints{ O{} m }{%
	%1=clés
	%2=liste nom/coordonnées/pos
	\useKVdefault[TkzTwoDimPoint]%
	\setKV[TkzTwoDimPoint]{#1}%
	\foreach \i in {#2}
	{%
		\MarquerPoint[#1]{\i}
	}%
}

%------Tracer des segments
\defKV[TraceSegments]{%
	Cap=\xdef\TracSegCap{#1},%
	Join=\xdef\TracSegJoin{#1},%
	Couleurs=\xdef\TracSegCoul{#1}
}

\setKVdefault[TraceSegments]{%
	Cap=round,%
	Couleurs=black,%
	Cycle=false,%
	Join=miter,%
	Suite=false
}

\NewDocumentCommand\TracerSegments{ O{} D<>{thick} m }{%
	\useKVdefault[TraceSegments]%
	\setKV[TraceSegments]{#1}%
	\ifboolKV[TraceSegments]{Suite}%si on enchaîne les points A->B->C, sinon A/B A/C ...
		{%
			\setsepchar{ }%
			\readlist*\LPTSEGM{#3}%
			\IfSubStr{\TracSegCoul}{,}%si ',' := un par un, sinon enchaine
				{%
					\setsepchar{,}%
					\readlist*\LCSEGM{\TracSegCoul}%
					\ifboolKV[TraceSegments]{Cycle}%
						{%
							\foreach \i in {1,2,...,\inteval{\LPTSEGMlen-1}}%
								{%
									\draw[color={\LCSEGM[\i]},line cap={\TracSegCap},#2] (\LPTSEGM[\i]) -- (\LPTSEGM[\inteval{\i+1}]) ;
								}%
							\draw[color={\LCSEGM[-1]},line cap={\TracSegCap},#2] (\LPTSEGM[-1]) -- (\LPTSEGM[1]) ;
						}%
						{%
							\foreach \i in {1,2,...,\inteval{\LPTSEGMlen-1}}%
								{%
									\draw[color={\LCSEGM[\i]},line cap={\TracSegCap},#2] (\LPTSEGM[\i]) -- (\LPTSEGM[\inteval{\i+1}]) ;
								}%
						}%
				}%
				{%
					\StrSubstitute{#3}{ }{)--(}[\tmplstpts]%
					\xdef\tmplstptsconv{(\tmplstpts)}%
					\ifboolKV[TraceSegments]{Cycle}%
						{%
							\draw[color={\TracSegCoul},line join={\TracSegJoin},#2] \tmplstptsconv--cycle ;
						}%
						{%
							\draw[color={\TracSegCoul},line join={\TracSegJoin},#2] \tmplstptsconv ;
						}%
				}%
		}%
		{%
			\setsepchar[.]{ ./}%
			\readlist*\LPTSEGM{#3}%
			\IfSubStr{\TracSegCoul}{,}%si ',' := un par un, sinon enchaine
				{%
					\setsepchar{,}
					\readlist*\LCSEGM{\TracSegCoul}%
					\xintifboolexpr{\LPTSEGMlen == 1}%
						{%
							\draw[color={\LCSEGM[1]},line cap={\TracSegCap},#2] (\LPTSEGM[1,1]) -- (\LPTSEGM[1,2]) ;
						}%
						{%
							\foreach \i in {1,2,...,\LPTSEGMlen}%
								{%
									\draw[color={\LCSEGM[\i]},line cap={\TracSegCap},#2] (\LPTSEGM[\i,1]) -- (\LPTSEGM[\i,2]) ;
								}%
						}%
					
				}%
				{%
					\xintifboolexpr{\LPTSEGMlen == 1}%
						{%
							\draw[color={\TracSegCoul},line cap={\TracSegCap},#2] (\LPTSEGM[1,1]) -- (\LPTSEGM[1,2]) ;
						}%
						{%
							\foreach \i in {1,2,...,\LPTSEGMlen}%
							{%
								\draw[color={\TracSegCoul},line cap={\TracSegCap},#2] (\LPTSEGM[\i,1]) -- (\LPTSEGM[\i,2]) ;
							}%
						}%
				}%
		}%
}

\endinput