% tkz-obj-eu-sectors.tex
% Copyright 2011-2026  Alain Matthes
% SPDX-License-Identifier: LPPL-1.3c
% Maintainer: Alain Matthes

\typeout{2026/01/25 5.13c tkz-obj-eu-sectors.tex}
\makeatletter
%<-----------------------    Sectors         ------------------------------–>
\gdef\tkz@nums{0}
\pgfkeys{/drawsector/.cd,
  towards/.code               = {\def\tkz@nums{0}},
  rotate/.code                = {\def\tkz@nums{1}},
  R/.code                     = {\def\tkz@nums{2}},
  R with nodes/.code          = {\def\tkz@nums{3}},
  towards,
  /drawsector/.search also  = {/tikz},
}

\def\tkzDrawSector{\pgfutil@ifnextchar[{\tkz@DrawSector}{\tkz@DrawSector[]}}
\def\tkz@DrawSector[#1](#2,#3)(#4){%
\begingroup
\pgfqkeys{/drawsector}{#1}
\ifcase\tkz@nums%
   \tkzDrawSectorN[#1](#2,#3)(#4)
\or% 1
   \tkzDrawSectorRotate[#1](#2,#3)(#4)
\or% 2
   \tkzDrawSectorRAngles[#1](#2,#3)(#4)
\or% 3
   \tkzDrawSectorR[#1](#2,#3)(#4)
\fi
\endgroup
}
\def\tkzDrawSectorRAngles{\pgfutil@ifnextchar[{\tkz@DrawSectorRAngles}{%
                                               \tkz@DrawSectorRAngles[]}}
\def\tkz@DrawSectorRAngles[#1](#2,#3)(#4,#5){%
\begingroup
  \pgfmathparse{#4}\edef\tkz@FirstAngle{\pgfmathresult}%
  \pgfmathparse{#5}\edef\tkz@SecondAngle{\pgfmathresult}%
  \pgfmathgreaterthan{\tkz@FirstAngle}{0}
  \ifdim\pgfmathresult pt=1 pt\relax%
    \pgfmathgreaterthan{\tkz@FirstAngle}{\tkz@SecondAngle}
    \ifdim\pgfmathresult pt=1 pt\relax%
     \pgfmathsubtract{\tkz@FirstAngle}{360}
     \edef\tkz@FirstAngle{\pgfmathresult}%
 \fi
 \else
     \pgfmathgreaterthan{\tkz@FirstAngle}{\tkz@SecondAngle}
    \ifdim\pgfmathresult pt=1 pt\relax%
     \pgfmathadd{\tkz@SecondAngle}{360}
     \edef\tkz@SecondAngle{\pgfmathresult}%
 \fi
 \fi
 \draw[shift = {(#2)},/drawsector/.cd,#1]%
   (#2) --(\tkz@FirstAngle:#3) arc (\tkz@FirstAngle:\tkz@SecondAngle:#3)--cycle;
 \endgroup
  } %  revoir il y a plus simple que ce shift !!!
%<--------------------------------------------------------------------------–>
% \tkzDrawSectorN(O,A)(B)
%<--------------------------------------------------------------------------–>
\def\tkzDrawSectorN{\pgfutil@ifnextchar[{\tkz@DrawSectorN}{%
                                         \tkz@DrawSectorN[]}}
\def\tkz@DrawSectorN[#1](#2,#3)(#4){%
\begingroup
 \tkz@@CalcLengthcm(#2,#3){tkz@radius}
 \tkzFindSlopeAngle(#2,#3)\tkzGetAngle{tkz@FirstAngle}
 \tkzFindSlopeAngle(#2,#4)\tkzGetAngle{tkz@SecondAngle}
 \tkz@DrawSectorRAngles[#1](#2,\tkz@radius)(\tkz@FirstAngle,%
                                               \tkz@SecondAngle)
\endgroup
}
%<--------------------------------------------------------------------------–>
% \tkzDrawSectorRotate(O,A)(angle de rotation) ??? pb avec angle negatif
%<--------------------------------------------------------------------------–>
\def\tkzDrawSectorRotate{\pgfutil@ifnextchar[{\tkz@DrawSectorRotate}{%
                                              \tkz@DrawSectorRotate[]}}
\def\tkz@DrawSectorRotate[#1](#2,#3)(#4){%
\begingroup
    \tkz@@CalcLengthcm(#2,#3){tkz@radius}
    \tkzFindSlopeAngle(#2,#3)\tkzGetAngle{tkz@FirstA}
    \pgfmathadd{\tkz@FirstA}{#4}
    \edef\tkz@SecondA{\pgfmathresult}
    \pgfmathgreaterthan{#4}{0}
  \ifdim\pgfmathresult pt=1 pt\relax%
   \tkz@DrawSectorRAngles[#1](#2,\tkz@radius)(\tkz@FirstA,\tkz@SecondA)
  \else
  \tkz@DrawSectorRAngles[#1](#2,\tkz@radius)(\tkz@SecondA,\tkz@FirstA)
  \fi
\endgroup
}
% %<--------------------------------------------------------------------------–>

%<--------------------------------------------------------------------------–>
%  \tkzDrawSectorR(O, rad)(A,B)
%<--------------------------------------------------------------------------–>
\def\tkzDrawSectorR{\pgfutil@ifnextchar[{\tkz@DrawSectorR}{%
                                         \tkz@DrawSectorR[]}}
\def\tkz@DrawSectorR[#1](#2,#3)(#4,#5){%
\begingroup
  \tkzFindSlopeAngle(#2,#4)\tkzGetAngle{tkz@FirstAngle}
  \tkzFindSlopeAngle(#2,#5)\tkzGetAngle{tkz@SecondAngle}
  \tkz@DrawSectorRAngles[#1](#2,#3)(\tkz@FirstAngle,\tkz@SecondAngle)
\endgroup
}
%<--------------------------------------------------------------------------–>
%                                 Fill
%<--------------------------------------------------------------------------–>
\gdef\tkz@nums{0}
\pgfkeys{/@fillsector/.cd,
      towards/.code               = {\def\tkz@nums{0}},
      rotate/.code                = {\def\tkz@nums{1}},
      R/.code                     = {\def\tkz@nums{2}},
      R with nodes/.code          = {\def\tkz@nums{3}},
      towards,
      /@fillsector/.search also={/tikz},
}

\def\tkzFillSector{\pgfutil@ifnextchar[{\tkz@FillSector}{\tkz@FillSector[]}}
\def\tkz@FillSector[#1](#2,#3)(#4){%
\begingroup
\pgfqkeys{/@fillsector}{#1}
\ifcase\tkz@nums%
   \tkzFillSectorN[#1](#2,#3)(#4)
\or% 1
   \tkzFillSectorRotate[#1](#2,#3)(#4)
\or% 2
   \tkzFillSectorRAngles[#1](#2,#3)(#4)
\or% 3
   \tkzFillSectorR[#1](#2,#3)(#4)
\fi
\endgroup
}


\def\tkzFillSectorRAngles{\pgfutil@ifnextchar[{\tkz@FillSectorRAngles}{%
                                               \tkz@FillSectorRAngles[]}}
\def\tkz@FillSectorRAngles[#1](#2,#3)(#4,#5){%
\begingroup
  \pgfmathparse{#4}\edef\tkz@FirstAngle{\pgfmathresult}%
  \pgfmathparse{#5}\edef\tkz@SecondAngle{\pgfmathresult}%
   \pgfmathgreaterthan{\tkz@FirstAngle}{0}
   \ifdim\pgfmathresult pt=1 pt\relax%
     \pgfmathgreaterthan{\tkz@FirstAngle}{\tkz@SecondAngle}
     \ifdim\pgfmathresult pt=1 pt\relax%
      \pgfmathsubtract{\tkz@FirstAngle}{360}
      \edef\tkz@FirstAngle{\pgfmathresult}%
  \fi
  \else
      \pgfmathgreaterthan{\tkz@FirstAngle}{\tkz@SecondAngle}
     \ifdim\pgfmathresult pt=1 pt\relax%
      \pgfmathadd{\tkz@SecondAngle}{360}
      \edef\tkz@SecondAngle{\pgfmathresult}%
  \fi\fi
  \pgfmathsubtract{\tkz@FirstAngle}{0}
  \edef\tkz@FirstAngle{\pgfmathresult}%
  \pgfmathadd{\tkz@SecondAngle}{0}
  \edef\tkz@SecondAngle{\pgfmathresult}
  \path[shift  = {(#2)},/@fillsector/.cd,fill=\tkz@fillcolor,#1] (#2) -- %
      (\tkz@FirstAngle:#3) arc (\tkz@FirstAngle:\tkz@SecondAngle:#3)--cycle;
\endgroup
}
%<--------------------------------------------------------------------------–>
% \tkzFillSectorN(O,A)(B)
%<--------------------------------------------------------------------------–>
\def\tkzFillSectorN{\pgfutil@ifnextchar[{\tkz@FillSectorN}{\tkz@FillSectorN[]}}
\def\tkz@FillSectorN[#1](#2,#3)(#4){%
\begingroup
  \tkz@@CalcLength(#2,#3){tkz@radius}
  \tkzFindSlopeAngle(#2,#3)\tkzGetAngle{tkz@FirstAngle}
  \tkzFindSlopeAngle(#2,#4)\tkzGetAngle{tkz@SecondAngle}
  \tkz@FillSectorRAngles[#1](#2,\tkz@radius pt)(\tkz@FirstAngle,%
                                                \tkz@SecondAngle)
\endgroup
}
%<--------------------------------------------------------------------------–>
% \tkzFillSectorRotate(O,A)(angle de rotation) ??? pb avec angle negatif
%<--------------------------------------------------------------------------–>
\def\tkzFillSectorRotate{\pgfutil@ifnextchar[{\tkz@FillSectorRotate}{%
                                              \tkz@FillSectorRotate[]}}
\def\tkz@FillSectorRotate[#1](#2,#3)(#4){%
\begingroup
    \tkz@@CalcLength(#2,#3){tkz@radius}
    \tkzFindSlopeAngle(#2,#3)\tkzGetAngle{tkz@FirstA}
    \pgfmathadd{\tkz@FirstA}{#4}
    \edef\tkz@SecondA{\pgfmathresult}
    \pgfmathgreaterthan{#4}{0}
  \ifdim\pgfmathresult pt=1 pt\relax%
   \tkz@FillSectorRAngles[#1](#2,\tkz@radius pt)(\tkz@FirstA,\tkz@SecondA)
  \else
  \tkz@FillSectorRAngles[#1](#2,\tkz@radius pt)(\tkz@SecondA,\tkz@FirstA)
  \fi
   \endgroup
}
%<--------------------------------------------------------------------------–>
%  \tkzFillSectorAngles(O,A)(ang1,ang2)
%<--------------------------------------------------------------------------–>
\def\tkzFillSectorAngles{\pgfutil@ifnextchar[{\tkz@FillSectorAngles}{%
                                              \tkz@FillSectorAngles[]}}
\def\tkz@FillSectorAngles[#1](#2,#3)(#4,#5){%
\begingroup
    \tkz@@CalcLength(#2,#3){tkz@radius}
    \tkz@FillSectorRAngles[#1](#2,\tkz@radius pt)(#4,#5)
\endgroup
}
%<--------------------------------------------------------------------------–>
%  \tkzFillSectorR(O, rad)(A,B)
%<--------------------------------------------------------------------------–>
\def\tkzFillSectorR{\pgfutil@ifnextchar[{\tkz@FillSectorR}{%
                                         \tkz@FillSectorR[]}}
\def\tkz@FillSectorR[#1](#2,#3)(#4,#5){%
\begingroup
  \tkzFindSlopeAngle(#2,#4)\tkzGetAngle{tkz@FirstAngle}
  \tkzFindSlopeAngle(#2,#5)\tkzGetAngle{tkz@SecondAngle}
  \tkz@FillSectorRAngles[#1](#2,#3)(\tkz@FirstAngle,\tkz@SecondAngle)
\endgroup
}
%<--------------------------- Clip Sector ----------------------------------–>
%
%<--------------------------------------------------------------------------–>
\def\tkz@ClipSectorRAngles(#1,#2)(#3,#4){%
  \pgfmathparse{#3}\edef\tkz@FirstAngle{\pgfmathresult}%
  \pgfmathparse{#4}\edef\tkz@SecondAngle{\pgfmathresult}%
  \pgfmathgreaterthan{\tkz@FirstAngle}{0}
  \ifdim\pgfmathresult pt=1 pt\relax%
    \pgfmathgreaterthan{\tkz@FirstAngle}{\tkz@SecondAngle}
    \ifdim\pgfmathresult pt=1 pt\relax%
     \pgfmathsubtract{\tkz@FirstAngle}{360}
     \edef\tkz@FirstAngle{\pgfmathresult}%
 \fi
 \else
     \pgfmathgreaterthan{\tkz@FirstAngle}{\tkz@SecondAngle}
    \ifdim\pgfmathresult pt=1 pt\relax%
     \pgfmathadd{\tkz@SecondAngle}{360}
     \edef\tkz@SecondAngle{\pgfmathresult}%
 \fi
 \fi
  \clip[shift = {(#1)}] (#1) --(\tkz@FirstAngle:#2)%
        arc(\tkz@FirstAngle:\tkz@SecondAngle:#2) -- cycle;
  }
%<--------------------------------------------------------------------------–>
%
%<--------------------------------------------------------------------------–>
\def\tkz@ClipSectorRotate(#1,#2)(#3){%
    \tkz@@CalcLength(#1,#2){tkz@radius}
    \tkzFindSlopeAngle(#1,#2)\tkzGetAngle{tkz@FirstA}
    \pgfmathadd{\tkz@FirstA}{#3}
    \edef\tkz@SecondA{\pgfmathresult}
    \pgfmathgreaterthan{#3}{0}
  \ifdim\pgfmathresult pt=1 pt\relax%
   \tkz@ClipSectorRAngles(#1,\tkz@radius pt)(\tkz@FirstA,\tkz@SecondA)
  \else
  \tkz@ClipSectorRAngles(#1,\tkz@radius pt)(\tkz@SecondA,\tkz@FirstA)
  \fi
}
%<--------------------------------------------------------------------------–>
%
%<--------------------------------------------------------------------------–>
\def\tkz@ClipSectorN(#1,#2)(#3){%
  \tkz@@CalcLength(#1,#2){tkz@radius}
  \tkzFindSlopeAngle(#1,#2)\tkzGetAngle{tkz@FirstAngle}
  \tkzFindSlopeAngle(#1,#3)\tkzGetAngle{tkz@SecondAngle}
  \tkz@ClipSectorRAngles(#1,\tkz@radius pt)(\tkz@FirstAngle,\tkz@SecondAngle)
}
%<--------------------------------------------------------------------------–>
%<--------------------------------------------------------------------------–>
\def\tkz@numcs{0}
\pgfkeys{/clipsector/.cd,
      towards/.code               = {\def\tkz@numcs{0}},
      rotate/.code                = {\def\tkz@numcs{1}},
      R/.code                     = {\def\tkz@numcs{2}},
}
%<--------------------------------------------------------------------------–>
\def\tkzClipSector{\pgfutil@ifnextchar[{\tkz@ClipSector}{%
                                        \tkz@ClipSector[]}}

\def\tkz@ClipSector[#1](#2,#3)(#4){%
\pgfkeys{/clipsector/.cd}
\pgfqkeys{/clipsector}{#1}
\ifcase\tkz@numcs%
   \tkz@ClipSectorN(#2,#3)(#4)
  \or% 1
   \tkz@ClipSectorRotate(#2,#3)(#4)
  \or% 2
   \tkz@ClipSectorRAngles(#2,#3)(#4)
  \fi
}
\makeatother
\endinput