%%
%% This is file `pgfgantt.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% pgfgantt.dtx  (with options: `pgfgantt')
%% 
%% Copyright (C) 2011 by Wolfgang Skala
%% 
%% 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.
%% 
\ProvidesPackage{pgfgantt}[2011/04/18 v1.1 Draw Gantt diagrams with TikZ]
\NeedsTeXFormat{LaTeX2e}[1999/12/01]


\RequirePackage{tikz}
  \usetikzlibrary{arrows,backgrounds,calc,patterns,positioning}

\newcounter{gtt@width}
\newcounter{gtt@currentline}
\newcounter{gtt@lastline}
\newcounter{gtt@lasttitleline}
\newcounter{gtt@lasttitleslot}
\def\gtt@lastslot{0}
\newif\ifgtt@intitle

\def\ganttset#1{\pgfqkeys{/pgfgantt}{#1}}

\def\@gtt@keydef#1{%
  \pgfkeysdef{/pgfgantt/#1}{%
    \expandafter\def\csname gtt@#1\endcsname{##1}%
  }%
}
\def\@gtt@get#1{\csname gtt@#1\endcsname}
\def\@gtt@stylekeydef#1{%
  \pgfkeysdef{/pgfgantt/#1}{%
    \pgfkeys{/pgfgantt/#1@style/.style={##1}}%
  }%
}
\def\@gtt@linkkeydef#1#2#3#4{%
  \pgfkeysdef{/pgfgantt/#2-#3}{%
    \def\gtt@link@type{#1}%
    \def\gtt@link@starttype{#2}%
    \def\gtt@link@endtype{#3}%
  }%
  \def\@tempa{#4}%
  \ifx\@tempa\relax\else\ganttset{link label={#2-#3}{#4}}\fi%
}

\@gtt@stylekeydef{hgrid style}
\newif\ifgtt@hgrid
\pgfkeysdef{/pgfgantt/hgrid}{%
  \def\@tempa{#1}%
  \def\@tempb{false}%
  \ifx\@tempa\@tempb%
    \gtt@hgridfalse%
  \else%
    \gtt@hgridtrue%
    \def\@tempb{true}%
    \ifx\@tempa\@tempb%
      \pgfkeys{/pgfgantt/hgrid style={dotted}}%
    \else%
      \pgfkeys{/pgfgantt/hgrid style={#1}}%
    \fi%
  \fi%
}
\pgfkeys{/pgfgantt/hgrid/.default=dotted}

\@gtt@stylekeydef{vgrid style}
\newif\ifgtt@vgrid
\pgfkeysdef{/pgfgantt/vgrid}{%
  \def\@tempa{#1}%
  \def\@tempb{false}%
  \ifx\@tempa\@tempb%
    \gtt@vgridfalse%
  \else%
    \gtt@vgridtrue%
    \def\@tempb{true}%
    \ifx\@tempa\@tempb%
      \pgfkeys{/pgfgantt/vgrid style={dotted}}%
    \else%
      \pgfkeys{/pgfgantt/vgrid style={#1}}%
    \fi%
  \fi%
}
\pgfkeys{/pgfgantt/vgrid/.default=dotted}
\pgfkeysdef{/pgfgantt/vgrid lines list}{%
  \def\gtt@vgridlineslist{#1}%
}

\@gtt@stylekeydef{canvas}
\@gtt@keydef{today}
\@gtt@stylekeydef{today rule}
\@gtt@keydef{today label}
\@gtt@keydef{hgrid shift}
\@gtt@keydef{last line height}

\@gtt@stylekeydef{title}
\@gtt@keydef{title label font}
\@gtt@stylekeydef{title label anchor}
\pgfkeysdef{/pgfgantt/title list options}{%
  \def\gtt@titlelistoptions{[#1]}%
}
\@gtt@keydef{title left shift}
\@gtt@keydef{title right shift}
\@gtt@keydef{title top shift}
\@gtt@keydef{title height}

\newif\ifgtt@includetitle
\pgfkeys{/pgfgantt/include title in canvas/.is if=gtt@includetitle}

\@gtt@keydef{time slot modifier}
\@gtt@stylekeydef{bar}
\pgfkeysdef{/pgfgantt/bar label text}{%
  \def\gtt@barlabeltext##1{#1}%
}
\@gtt@keydef{bar label font}
\@gtt@stylekeydef{bar label anchor}
\@gtt@keydef{bar left shift}
\@gtt@keydef{bar right shift}
\@gtt@keydef{bar top shift}
\@gtt@keydef{bar height}

\@gtt@stylekeydef{group}
\pgfkeysdef{/pgfgantt/group label text}{%
  \def\gtt@grouplabeltext##1{#1}%
}
\@gtt@keydef{group label font}
\@gtt@stylekeydef{group label anchor}
\@gtt@keydef{group left shift}
\@gtt@keydef{group right shift}
\@gtt@keydef{group top shift}
\@gtt@keydef{group height}
\pgfkeysdefnargs{/pgfgantt/group left peak}{3}{%
  \def\@tempa{#1}%
  \ifx\@tempa\@empty\else\def\gtt@groupleftpeakmidx{#1}\fi%
  \def\@tempa{#2}%
  \ifx\@tempa\@empty\else\def\gtt@groupleftpeakinnerx{#2}\fi%
  \def\@tempa{#3}%
  \ifx\@tempa\@empty\else\def\gtt@groupleftpeaky{#3}\fi%
}
\pgfkeysdefnargs{/pgfgantt/group right peak}{3}{%
  \def\@tempa{#1}%
  \def\@tempb{-}%
  \ifx\@tempa\@empty\else%
    \ifx\@tempa\@tempb\else\def\gtt@grouprightpeakmidx{#1}\fi%
  \fi%
  \def\@tempa{#2}%
  \ifx\@tempa\@empty\else%
    \ifx\@tempa\@tempb\else\def\gtt@grouprightpeakinnerx{#2}\fi%
  \fi%
  \def\@tempa{#3}%
  \ifx\@tempa\@empty\else\def\gtt@grouprightpeaky{#3}\fi%
}
\pgfkeysdefnargs{/pgfgantt/group peaks}{3}{%
  \ganttset{group left peak={#1}{#2}{#3}, group right peak={-#1}{-#2}{#3}}%
}

\@gtt@keydef{progress}
\@gtt@stylekeydef{bar incomplete}
\@gtt@stylekeydef{group incomplete}
\pgfkeysdef{/pgfgantt/incomplete}{%
  \ganttset{bar incomplete={#1}, group incomplete={#1}}%
}
\pgfkeysdef{/pgfgantt/progress label text}{%
  \def\gtt@progresslabeltext##1{#1}%
}
\@gtt@keydef{progress label font}
\@gtt@stylekeydef{progress label anchor}

\@gtt@stylekeydef{milestone}
\pgfkeysdef{/pgfgantt/milestone label text}{%
  \def\gtt@milestonelabeltext##1{#1}%
}
\@gtt@keydef{milestone label font}
\@gtt@stylekeydef{milestone label anchor}
\@gtt@keydef{milestone width}
\@gtt@keydef{milestone height}
\@gtt@keydef{milestone xshift}
\@gtt@keydef{milestone yshift}

\@gtt@stylekeydef{link}
\@gtt@keydef{link label font}
\@gtt@stylekeydef{link label anchor}
\pgfkeysdefnargs{/pgfgantt/link label}{2}{%
  \expandafter\def\csname gtt@link@#1@labeltext\endcsname{#2}%
}
\@gtt@keydef{link mid}
\@gtt@keydef{link bulge}
\@gtt@keydef{link tolerance}
\@gtt@linkkeydef 0 b b \relax
\@gtt@linkkeydef 0 b m \relax
\@gtt@linkkeydef 0 m b \relax
\@gtt@linkkeydef 0 m m \relax
\@gtt@linkkeydef 1 s s {start-to-start}
\@gtt@linkkeydef 1 s f {start-to-finish}
\@gtt@linkkeydef 1 f s {finish-to-start}
\@gtt@linkkeydef 1 f f {finish-to-finish}

\ganttset{
  canvas={fill=white},
  hgrid style=dotted,
  vgrid style=dotted,
  vgrid lines list={2,3,...,\value{gtt@width}},
  today=none,
  today rule={dashed, line width=1pt},
  today label=TODAY,
  hgrid shift=-.3,
  last line height=.7,
  title={fill=white},
  title label font=\small,
  title label anchor={anchor=mid},
  title left shift=0,
  title right shift=0,
  title top shift=0,
  title height=.6,
  title list options={var=\x, evaluate=\x},
  include title in canvas,
  time slot modifier=-1,
  bar={fill=white},
  bar label text={\strut#1},
  bar label font=\normalsize,
  bar label anchor={anchor=east},
  bar left shift=0,
  bar right shift=0,
  bar top shift=0,
  bar height=.4,
  group={fill=black},
  group label text={\strut#1},
  group label font=\normalsize\bfseries,
  group label anchor={anchor=east},
  group left shift=-.1,
  group right shift=.1,
  group top shift=.1,
  group height=.2,
  group peaks={.2}{.4}{.1},
  progress=none,
  incomplete={fill=black!25},
  progress label text={#1\% complete},
  progress label font=\scriptsize,
  progress label anchor={anchor=west},
  milestone={fill=black},
  milestone label text={\strut#1},
  milestone label font=\normalsize\itshape,
  milestone label anchor={anchor=east},
  milestone width=.8,
  milestone height=.4,
  milestone xshift=0,
  milestone yshift=.2,
  link={-latex, rounded corners=1pt},
  link label font=\scriptsize\itshape,
  link label anchor={anchor=west},
  b-b,
  link mid=.5,
  link bulge=.4,
  link tolerance=0.6,
}

\newenvironment{ganttchart}[2][]{%
  \ganttset{#1}%
  \setcounter{gtt@width}{#2}%
  \setcounter{gtt@currentline}{0}%
  \setcounter{gtt@lastline}{0}%
  \setcounter{gtt@lasttitleline}{0}%
  \gtt@intitletrue%
  \let\\\ganttnewline%
}{%
  \begin{scope}[on background layer]%
    \ifgtt@includetitle%
      \def\y@upper{0}%
    \else%
      \def\y@upper{\value{gtt@lasttitleline}-\@gtt@get{hgrid shift}}%
    \fi%
    \def\y@lower{\value{gtt@currentline}-\@gtt@get{last line height}}%
    \draw[/pgfgantt/canvas@style]
      (0, \y@upper) rectangle
      (\value{gtt@width}, \y@lower);%
    \ifgtt@vgrid%
      \foreach \t [evaluate=\t using \t-1]
          in \gtt@vgridlineslist {%
        \draw[/pgfgantt/vgrid style@style]
          (\t, \value{gtt@lasttitleline}-\@gtt@get{hgrid shift}) --
          (\t, \y@lower);%
      }%
    \fi%
    \ifgtt@hgrid%
      \ifgtt@includetitle\else\addtocounter{gtt@lasttitleline}{-1}\fi%
      \foreach \t [evaluate=\t]
          in {\value{gtt@lasttitleline},...,\value{gtt@currentline}} {%
        \draw[/pgfgantt/hgrid style@style]
          (0, \t-\@gtt@get{hgrid shift}) --
          (\value{gtt@width}, \t-\@gtt@get{hgrid shift});%
      }%
      \ifgtt@includetitle\else\stepcounter{gtt@lasttitleline}\fi%
    \fi%
    \def\@tempa{none}%
    \ifx\gtt@today\@tempa\else%
      \draw[/pgfgantt/today rule@style]
        (\@gtt@get{today},
          \value{gtt@lasttitleline}-\@gtt@get{hgrid shift}) --
        (\@gtt@get{today}, \y@lower);%
      \node at (\@gtt@get{today}, \y@lower)
        [anchor=north] {\@gtt@get{today label}};%
    \fi%
  \end{scope}%
}

\newcommand\ganttnewline[1][]{%
  \def\@tempa{#1}%
  \def\@tempb{grid}%
  \ifx\@tempa\@tempb%
    \draw[/pgfgantt/hgrid style@style]
      (0, \value{gtt@currentline}-1-\@gtt@get{hgrid shift}) --
      (\value{gtt@width},
        \value{gtt@currentline}-1-\@gtt@get{hgrid shift});%
  \fi%
  \addtocounter{gtt@currentline}{-1}%
  \ifgtt@intitle\addtocounter{gtt@lasttitleline}{-1}\fi%
  \setcounter{gtt@lasttitleslot}{0}%
}

\newcommand\gantttitle[3][]{%
  \begingroup%
  \ganttset{#1}%
  \def\x@left{\value{gtt@lasttitleslot}+\@gtt@get{title left shift}}%
  \def\x@right{\value{gtt@lasttitleslot}+#3+\@gtt@get{title right shift}}%
  \def\y@upper{\value{gtt@currentline}-\@gtt@get{title top shift}}%
  \def\y@lower{\value{gtt@currentline}-\@gtt@get{title top shift}%
    -\@gtt@get{title height}}%
  \draw[/pgfgantt/title@style]
    (\x@left, \y@upper) rectangle
    (\x@right, \y@lower);%
  \@gtt@get{title label font}%
  \node at ($(\x@left,\y@upper)!.5!(\x@right,\y@lower)$)
    [/pgfgantt/title label anchor@style] {#2};%
  \addtocounter{gtt@lasttitleslot}{#3}%
  \setcounter{gtt@lastline}{\value{gtt@currentline}}%
  \endgroup%
}

\newcommand\gantttitlelist[3][]{%
  \begingroup%
  \ganttset{#1}%
  \expandafter\foreach\gtt@titlelistoptions in {#2} {\gantttitle{\x}{#3}}%
  \endgroup%
}

\newcommand\ganttbar[4][]{%
  \begingroup%
  \ganttset{#1}%
  \def\x@left{#3+\@gtt@get{time slot modifier}+\@gtt@get{bar left shift}}%
  \def\x@right{#4+\@gtt@get{bar right shift}}%
  \def\y@upper{\value{gtt@currentline}-\@gtt@get{bar top shift}}%
  \def\y@lower{\value{gtt@currentline}-\@gtt@get{bar top shift}%
    -\@gtt@get{bar height}}%
  \def\@tempa{#2}%
  \ifx\@tempa\@empty\else%
    \node at ($(0, \y@upper)!.5!(0, \y@lower)$)
      [/pgfgantt/bar label anchor@style]
      {\@gtt@get{bar label font}{\gtt@barlabeltext{#2}}};%
  \fi%
  \def\@tempa{none}%
  \ifx\gtt@progress\@tempa%
    \def\gtt@progress{100}%
    \let\gtt@pl@draw\relax%
  \else
    \expandafter\ifx\gtt@progresslabeltext\relax\relax%
      \let\gtt@pl@draw\relax%
    \else%
      \def\gtt@pl@draw{%
        \node at ($(\x@right, \y@upper)!.5!(\x@right, \y@lower)$)
          [/pgfgantt/progress label anchor@style] {%
            \@gtt@get{progress label font}{%
              \@gtt@get{progresslabeltext}{\@gtt@get{progress}}%
            }%
          };%
      }%
    \fi%
  \fi%
  \begin{scope}%
    \clip (\x@left,\y@upper) rectangle
      ($(\x@left, \y@lower)!\gtt@progress/100!(\x@right, \y@lower)$);%
    \draw[/pgfgantt/bar@style, draw=none] (\x@left, \y@upper)
      rectangle (\x@right, \y@lower);%
  \end{scope}%
  \begin{scope}%
    \clip ($(\x@left,\y@upper)!\gtt@progress/100!(\x@right,\y@upper)$)
      rectangle (\x@right,\y@lower);%
    \draw[/pgfgantt/bar incomplete@style, draw=none]
      (\x@left, \y@upper) rectangle (\x@right, \y@lower);%
  \end{scope}%
  \draw[/pgfgantt/bar@style, fill=none]
    (\x@left, \y@upper) rectangle (\x@right, \y@lower);%
  \gtt@pl@draw%
  \gdef\gtt@lastslot{#4}%
  \setcounter{gtt@lastline}{\value{gtt@currentline}}%
  \global\gtt@intitlefalse%
  \endgroup%
}

\newcommand\ganttlinkedbar[4][]{%
  \begingroup%
  \ganttset{#1}%
  \ganttlink{\gtt@lastslot}{-\value{gtt@lastline}-1}%
    {#3}{-\value{gtt@currentline}-1}%
  \ganttbar{#2}{#3}{#4}%
  \endgroup%
}

\newcommand\ganttlink[5][]{%
  \begingroup%
  \ganttset{#1}%
  \ifcase\gtt@link@type%
    \def\x@left{#2+\@gtt@get{bar right shift}}%
    \def\x@right{%
      #4+\@gtt@get{time slot modifier}+\@gtt@get{bar left shift}%
    }%
    \def\y@upper{-#3+1-\@gtt@get{bar top shift}/2-\@gtt@get{bar height}/2}%
    \def\y@lower{-#5+1-\@gtt@get{bar top shift}/2-\@gtt@get{bar height}/2}%
    \def\@tempa{m}
    \ifx\gtt@link@starttype\@tempa
      \def\x@left{%
        #2+\@gtt@get{milestone xshift}+\@gtt@get{milestone width}/2%
       }%
      \def\y@upper{-#3+1-\@gtt@get{milestone yshift}}%
    \fi
    \ifx\gtt@link@endtype\@tempa
      \def\x@right{%
        #4+\@gtt@get{milestone xshift}-\@gtt@get{milestone width}/2%
      }%
      \def\y@lower{-#5+1-\@gtt@get{milestone yshift}}%
    \fi
    \pgfmathparse{#3==#5}%
    \ifcase\pgfmathresult%
      \pgfmathparse{%
        (#4+\@gtt@get{time slot modifier}-#2)>=\@gtt@get{link tolerance}%
      }%
      \ifcase\pgfmathresult%
        \draw[/pgfgantt/link@style]
          (\x@left, \y@upper) --
          (\x@left+\@gtt@get{link bulge}, \y@upper) --
          ($(\x@left+\@gtt@get{link bulge},\y@upper)!%
            \@gtt@get{link mid}!%
            (\x@left+\@gtt@get{link bulge},\y@lower)$) --
          ($(\x@right-\@gtt@get{link bulge},\y@upper)!%
            \@gtt@get{link mid}!%
            (\x@right-\@gtt@get{link bulge},\y@lower)$) --
          (\x@right-\@gtt@get{link bulge}, \y@lower) --
          (\x@right, \y@lower);%
      \else%
        \draw[/pgfgantt/link@style]
          (\x@left, \y@upper) --
          ($(\x@left,\y@upper)!\@gtt@get{link mid}!(\x@right,\y@upper)$) --
          ($(\x@left,\y@lower)!\@gtt@get{link mid}!(\x@right,\y@lower)$) --
          (\x@right, \y@lower);%
      \fi%
    \else%
      \pgfmathparse{(#4+\@gtt@get{time slot modifier})==#2}%
      \ifcase\pgfmathresult%
        \draw[/pgfgantt/link@style]
          (\x@left, \y@upper) -- (\x@right, \y@lower);%
      \fi%
    \fi%
  \else%
    \def\@tempa{f}%
    \ifx\gtt@link@starttype\@tempa%
      \def\x@left{#2+\@gtt@get{bar right shift}}%
    \else
      \def\@tempa{s}
      \ifx\gtt@link@starttype\@tempa
        \def\x@left{%
          #2+\@gtt@get{time slot modifier}+\@gtt@get{bar right shift}%
        }%
      \fi%
    \fi%
    \def\@tempa{f}%
    \ifx\gtt@link@endtype\@tempa%
      \def\x@right{#4+\@gtt@get{bar left shift}}%
    \else
      \def\@tempa{s}
      \ifx\gtt@link@endtype\@tempa
        \def\x@right{%
          #4+\@gtt@get{time slot modifier}+\@gtt@get{bar left shift}%
        }%
      \fi%
    \fi%
    \def\y@upper{-#3+1-\@gtt@get{bar height}}%
    \def\y@lower{-#5+1-\@gtt@get{bar top shift}}%
    \draw[/pgfgantt/link@style]
      (\x@left, \y@upper) --
      (\x@right, \y@lower);%
    \node at ($(\x@left, \y@upper)!.5!(\x@right, \y@lower)$)
      [/pgfgantt/link label anchor@style] {%
        \@gtt@get{link label font}{%
          \csname gtt@link@\gtt@link@starttype-\gtt@link@endtype%
            @labeltext\endcsname%
        }%
      };%
  \fi%
  \endgroup%
}

\newcommand\ganttgroup[4][]{%
  \begingroup%
  \ganttset{#1}%
  \def\x@left{%
    #3+\@gtt@get{time slot modifier}+\@gtt@get{group left shift}%
  }%
  \def\x@right{#4+\@gtt@get{group right shift}}%
  \def\y@upper{\value{gtt@currentline}-\@gtt@get{group top shift}}%
  \def\y@lower{\value{gtt@currentline}-\@gtt@get{group top shift}%
    -\@gtt@get{group height}}%
  \def\@tempa{#2}%
  \ifx\@tempa\@empty\else%
    \node at ($(0, \y@upper)!.5!(0, \y@lower)$)
      [/pgfgantt/group label anchor@style]
      {\@gtt@get{group label font}{\gtt@grouplabeltext{#2}}};%
  \fi%
  \def\@tempa{none}%
  \ifx\gtt@progress\@tempa%
    \def\gtt@progress{100}%
    \let\gtt@pl@draw\relax%
  \else
    \expandafter\ifx\gtt@progresslabeltext\relax\relax%
      \let\gtt@pl@draw\relax%
    \else%
      \def\gtt@pl@draw{%
        \node at ($(\x@right, \y@upper)!.5!(\x@right, \y@lower)$)
          [/pgfgantt/progress label anchor@style] {%
            \@gtt@get{progress label font}{%
              \@gtt@get{progresslabeltext}{\@gtt@get{progress}}%
            }%
          };%
      }%
    \fi%
  \fi%
  \pgfmathsetmacro\@maxpeak{%
    \gtt@grouprightpeaky>\gtt@groupleftpeaky?%
    \gtt@grouprightpeaky:\gtt@groupleftpeaky%
  }%
  \begin{scope}%
    \clip (\x@left,\y@upper) rectangle
      ($(\x@left,\y@lower-\@maxpeak)!%
        \gtt@progress/100!%
        (\x@right,\y@lower-\@maxpeak)$);%
    \path[/pgfgantt/group@style,draw=none]
      (\x@left, \y@upper) --
      (\x@right, \y@upper) --
      (\x@right, \y@lower) --
      (\x@right+\gtt@grouprightpeakmidx, \y@lower-\gtt@grouprightpeaky) --
      (\x@right+\gtt@grouprightpeakinnerx, \y@lower) --
      (\x@left+\gtt@groupleftpeakinnerx, \y@lower) --
      (\x@left+\gtt@groupleftpeakmidx, \y@lower-\gtt@groupleftpeaky) --
      (\x@left, \y@lower) --
      cycle;%
  \end{scope}%
  \begin{scope}%
    \clip ($(\x@left,\y@upper)!%
        \gtt@progress/100!%
        (\x@right,\y@upper)$)
      rectangle (\x@right,\y@lower-\@maxpeak);
    \path[/pgfgantt/group incomplete@style]
      (\x@left, \y@upper) --
      (\x@right, \y@upper) --
      (\x@right, \y@lower) --
      (\x@right+\gtt@grouprightpeakmidx, \y@lower-\gtt@grouprightpeaky) --
      (\x@right+\gtt@grouprightpeakinnerx, \y@lower) --
      (\x@left+\gtt@groupleftpeakinnerx, \y@lower) --
      (\x@left+\gtt@groupleftpeakmidx, \y@lower-\gtt@groupleftpeaky) --
      (\x@left, \y@lower) --
      cycle;%
  \end{scope}%
  \path[/pgfgantt/group@style,fill=none]
    (\x@left, \y@upper) --
    (\x@right, \y@upper) --
    (\x@right, \y@lower) --
    (\x@right+\gtt@grouprightpeakmidx, \y@lower-\gtt@grouprightpeaky) --
    (\x@right+\gtt@grouprightpeakinnerx, \y@lower) --
    (\x@left+\gtt@groupleftpeakinnerx, \y@lower) --
    (\x@left+\gtt@groupleftpeakmidx, \y@lower-\gtt@groupleftpeaky) --
    (\x@left, \y@lower) --
    cycle;%
  \gtt@pl@draw%
  \global\gtt@intitlefalse%
  \endgroup%
}

\newcommand\ganttmilestone[3][]{%
  \begingroup%
  \ganttset{#1}%
  \def\x@mid{#3+\@gtt@get{milestone xshift}}%
  \def\y@mid{\value{gtt@currentline}-\@gtt@get{milestone yshift}}%
  \def\@tempa{#2}%
  \ifx\@tempa\@empty\else%
    \node at (0, \y@mid)
      [/pgfgantt/milestone label anchor@style]
      {\@gtt@get{milestone label font}{\gtt@milestonelabeltext{#2}}};%
  \fi%
  \path[/pgfgantt/milestone@style]
    (\x@mid-\@gtt@get{milestone width}/2, \y@mid) --
    (\x@mid, \y@mid-\@gtt@get{milestone height}/2) --
    (\x@mid+\@gtt@get{milestone width}/2, \y@mid) --
    (\x@mid, \y@mid+\@gtt@get{milestone height}/2) --
    cycle;%
  \gdef\gtt@lastslot{#3}%
  \setcounter{gtt@lastline}{\value{gtt@currentline}}%
  \global\gtt@intitlefalse%
  \endgroup%
}

\newcommand\ganttlinkedmilestone[3][]{%
  \begingroup%
  \ganttset{b-m,#1}%
  \ganttlink{\gtt@lastslot}{-\value{gtt@lastline}-1}%
    {#3}{-\value{gtt@currentline}-1}%
  \ganttmilestone{#2}{#3}%
  \endgroup%
}
\endinput
%%
%% End of file `pgfgantt.sty'.