% tkz-obj-eu-draw-lines.tex
% Copyright 2011-2026  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{5.11c}
\def\filedate{2026/01/22} 
\typeout{2026/01/22 5.12c tkz-obj-eu-draw-lines.tex}   
\makeatletter

%<--------------------------------------------------------------------------–>
%                                Setup   Line
%<--------------------------------------------------------------------------–>
\pgfkeys{%
   tkzsuline/.cd,
   line width/.code       =   \def\tkz@line@width{#1},
   color/.code            =   \def\tkz@line@color{#1},
   style/.code            =   \def\tkz@line@style{#1},
   add/.code args         =   {#1 and #2} {\def\tkz@line@left{#1}
                                           \def\tkz@line@right{#2}},
  /tkzsuline/.search also = {/tikz}
} 
%<--------------------------------------------------------------------------–>
\def\tkzSetUpLine{\pgfutil@ifnextchar[{\tkz@SetUpLine}{\tkz@SetUpLine[]}}
\def\tkz@SetUpLine[#1]{%
\pgfkeys{%
      tkzsuline/.cd,
      line width   = \tkz@euc@linewidth,
      color        = \tkz@euc@linecolor,
      style        = \tkz@euc@linestyle,
      add          = {\tkz@euc@lineleft} and {\tkz@euc@lineright}}  
\pgfqkeys{/tkzsuline}{#1}
\tikzset{%
        line style/.append style ={%
        line width        = \tkz@line@width,
        color             = \tkz@line@color,
        style             = \tkz@line@style,
        add               = {\tkz@line@left} and {\tkz@line@right},
        line cap          = round,
        #1}
        }
}% end setup  
%<--------------------------------------------------------------------------–>
%            Drawing a line                                                  
%<--------------------------------------------------------------------------–>
%<--------------------------------------------------------------------------–>

\def\tkzDrawLine{\pgfutil@ifnextchar[{\tkz@DrawLine}{\tkz@DrawLine[]}}
\def\tkz@DrawLine[#1](#2,#3){%    
\begingroup 
   \draw[line style,#1] (#2) to (#3);
\endgroup
}
%<-------------------------------------------------------------------------–
%         tkzDrawLines 
%<-------------------------------------------------------------------------–
\def\tkz@@multiLines#1 #2\@nil{% 
  \protected@edef\tkz@temp{
    \noexpand \tkzDrawLine[\tkz@optline](#1)}\tkz@temp%
   \def\tkz@nextArg{#2}%
   \ifx\tkzutil@empty\tkz@nextArg
     \let\next\@gobble
   \fi
   \next#2\@nil
}
%<--------------------------------------------------------------------------–>
\def\tkzDrawLines{\pgfutil@ifnextchar[{\tkz@DrawLines}{\tkz@DrawLines[]}}  
\def\tkz@DrawLines[#1](#2){%
\xdef\tkz@optline{#1} 
\begingroup
   \let\next\tkz@@multiLines
   \next#2 \@nil %    
\endgroup     
}%  
%<-------------------------------------------------------------------------–> 
%   Label
%<-------------------------------------------------------------------------–> 
\def\tkzLabelLine{\pgfutil@ifnextchar[{\tkz@AddLabelLine}{\tkz@AddLabelLine[]}} 
\def\tkz@AddLabelLine[#1](#2,#3)#4{\path  (#2) to node[#1]{#4}(#3);} 


%<--------------------------------------------------------------------------–>
%                             draw      segment  (s)
%<--------------------------------------------------------------------------–>  
\pgfkeys{/tkzdraws/.cd,
  /tkzdraws/.search also={/tikz},
}                              
\def\tkzDrawSegment{\pgfutil@ifnextchar[{\tkz@DrawSegment}{%
                                         \tkz@DrawSegment[]}} 
\def\tkz@DrawSegment[#1](#2,#3){%    
\scope
  \pgfqkeys{/tkzdraws}{#1}
  \draw[line style,add=0 and 0,#1] (#2) to (#3); 
\endscope  
}%    

\def\tkz@multiDrawSeg#1 #2\@nil{%
 \protected@edef\tkz@temp{
   \noexpand \tkzDrawSegment[\tkz@optseg](#1)}\tkz@temp%
   \def\tkz@nextArg{#2}%
   \ifx\tkzutil@empty\tkz@nextArg
     \let\next\@gobble
   \fi
   \next#2\@nil
} 
\def\tkzDrawSegments{\pgfutil@ifnextchar[{\tkz@DrawSegments}{%
                                         \tkz@DrawSegments[]}}
\def\tkz@DrawSegments[#1](#2){% 
\def\tkz@optseg{#1} 
\begingroup
  \let\next\tkz@multiDrawSeg
  \next#2 \@nil %
\endgroup
}
%<--------------------------------------------------------------------------–>
%                               Mark   Segment
%<--------------------------------------------------------------------------–>
\pgfkeys{
  /@tkzmarkoptions/.cd,
     pos/.store in       = \tkz@mkpos,
     color/.store in     = \tkz@mkcolor,
     mark/.store in      = \tkz@markseg,
     size/.store in      = \tkz@mksize,
     size                = 4pt,
     color               = \tkz@mk@color,
     pos                 = .5,
     mark                = |,
    /@tkzmarkoptions/.search also={/tikz},
}
\def\tkzMarkSegment{\pgfutil@ifnextchar[{\tkz@MarkSegment}{\tkz@MarkSegment[]}}
\def\tkz@MarkSegment[#1](#2,#3){%
\begingroup
 \pgfqkeys{/@tkzmarkoptions}{#1}
\def\tkz@mymark{\pgfsetplotmarksize{\tkz@mksize}\pgfuseplotmark{\tkz@markseg}}
\begin{scope} 
  [decoration={markings,mark=at position \tkz@mkpos with {\tkz@mymark}}] 
  \path [\tkz@mkcolor,/@tkzmarkoptions/.cd,#1,postaction={decorate}] (#2) -- (#3);
\end{scope}
\endgroup
}
%<--------------------------------------------------------------------------–>
% multiple
\def\tkz@multiMS#1 #2\@nil{%
 \protected@edef\tkz@temp{
   \noexpand \tkzMarkSegment[\tkz@optsg](#1)}\tkz@temp%
   \def\tkz@nextArg{#2}%
   \ifx\tkzutil@empty\tkz@nextArg
     \let\next\@gobble
   \fi
   \next#2\@nil
}
%<--------------------------------------------------------------------------–>
\def\tkzMarkSegments{\pgfutil@ifnextchar[{\tkz@MarkSegments}{\tkz@MarkSegments[]}}
\def\tkz@MarkSegments[#1](#2){% 
\def\tkz@optsg{#1} 
  \begingroup
   \let\next\tkz@multiMS
   \next#2 \@nil %
\endgroup 
} 
%<-------------------------------------------------------------------------–> 
%             Label on segment  
%<-------------------------------------------------------------------------–> 
\def\tkzLabelSegment{\pgfutil@ifnextchar[{\tkz@LabelSegment}%
                     {\tkz@LabelSegment[]}}
\def\tkz@LabelSegment[#1](#2,#3)#4{%
\begingroup    
  \path  (#2) to node[label style,#1]{#4} (#3) ;  
\endgroup 
} 
%<--------------------------------------------------------------------------–>
% multiple
\def\tkz@multiLS#1 #2\@nil{%
 \protected@edef\tkz@temp{
   \noexpand \tkzLabelSegment[\tkz@optls](#1){\tkz@labelseg}}\tkz@temp%
   \def\tkz@nextArg{#2}%
   \ifx\tkzutil@empty\tkz@nextArg
     \let\next\@gobble
   \fi
   \next#2\@nil
}
%<--------------------------------------------------------------------------–>
\def\tkzLabelSegments{\pgfutil@ifnextchar[{\tkz@LabelSegments}{\tkz@LabelSegments[]}}
\def\tkz@LabelSegments[#1](#2)#3{% 
\def\tkz@optls{#1}
\def\tkz@labelseg{#3}
  \begingroup
   \let\next\tkz@multiLS
   \next#2 \@nil %    
\endgroup 
} 
%<--------------------------------------------------------------------------–>
%             PolySeg
%<--------------------------------------------------------------------------–>
\def\tkzDrawPolySeg{\pgfutil@ifnextchar[{\tkz@DrawPolySeg}{\tkz@DrawPolySeg[]}}
\def\tkz@DrawPolySeg[#1](#2,#3){% 
\begingroup
\draw[line style,#1] (#2)
     \foreach \pt in {#2,#3}{--(\pt)};%
\endgroup
}


%<--------------------------------------------------------------------------–>
%  add dim
    % \draw[dim={5,7pt,}]   (A) --  (B);
    % \draw[dim={7,10pt,transform shape}]  (B) --  (C);
    % \draw[dim={X,,}]  (A) --  (C);
%<--------------------------------------------------------------------------–>
% new code from muzimuzhi Z
%https://tex.stackexchange.com/questions/553430/change-color-and-style-of-dimension-lines-in-tkz-euclide/553441

\pgfkeys{/pgf/decoration/.cd, distance/.initial = 10pt}  

\pgfdeclaredecoration{add dim}{final}{
\state{final}{% 
\pgfmathsetmacro{\dist}{\pgfkeysvalueof{/pgf/decoration/distance}}
          \pgfpathmoveto{\pgfpoint{0pt}{0pt}}
          \pgfpathlineto{\pgfpoint{0pt}{1.2*\dist}}   
          \pgfpathmoveto{\pgfpoint{\pgfdecoratedpathlength}{0pt}} 
          \pgfpathlineto{\pgfpoint{(\pgfdecoratedpathlength}{1.2*\dist}}
          % start of patch
          \pgfusepath{stroke}
          \pgfsetarrowsstart{latex}
          \pgfsetarrowsend{latex}
          \expandafter\pgfsetdash\tkz@dim@dashpattern
          \pgfsetstrokecolor{\tkz@dim@color}
          % end of patch
          \pgfpathmoveto{\pgfpoint{0pt}{\dist}}
          \pgfpathlineto{\pgfpoint{\pgfdecoratedpathlength}{\dist}} 
          \pgfusepath{stroke} 
          \pgfpathmoveto{\pgfpoint{0pt}{0pt}}
          \pgfpathlineto{\pgfpoint{\pgfdecoratedpathlength}{0pt}}
}}


\tikzset{
  dim/.style args={#1,#2,#3}{%
    postaction={
      decoration={
        show path construction,
        lineto code={
          % dim fence
          \draw[dim fence style/.try]
            (\tikzinputsegmentfirst) --
              ($ (\tikzinputsegmentfirst)!1.2*(#2)!90:(\tikzinputsegmentlast) $)
            (\tikzinputsegmentlast) --
            ($ (\tikzinputsegmentlast)!1.2*(#2)!-90:(\tikzinputsegmentfirst) $);
          % dim
          \draw[dim style/.try]
            ($ (\tikzinputsegmentfirst)!#2!90:(\tikzinputsegmentlast) $) --
            node[inner sep=0pt, font=\footnotesize, fill=\tkz@fillcolor, pos=.5, #3] {#1}
            ($ (\tikzinputsegmentlast)!#2!-90:(\tikzinputsegmentfirst) $);
        }
      },
      decorate,
    }
  },
  dim/.default={,0pt,},
  dim style/.style={
    latex-latex,
  },
}

%<---------------------------  style line ---------------------------------> 
\tikzset{add/.style args={#1 and #2}{to path={%
 ($(\tikztostart)!-#1!(\tikztotarget)$)--($(\tikztotarget)!-#2!(\tikztostart)$)%
  \tikztonodes}}
} 
\makeatother
\endinput