Partycake

Partycake.tex

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\documentclass[tikz]{standalone}
\begin{document}
\usepackage[table]{xcolor}
\definecolor{color}{RGB}{0,66,144}
\definecolor{framsokn}{RGB}{125,91,49}
\definecolor{sjalfstaedi}{RGB}{0,0,181}
\definecolor{vinstrigraen}{RGB}{72,142,65}
\definecolor{frjalslyndi}{RGB}{0,142,210}
\definecolor{samfylkingin}{RGB}{198,18,24}
\definecolor{bjoertframtidid}{RGB}{146,39,143}
\definecolor{borgarahreyfingin}{RGB}{242,120,31}
\def\angle{0}
\def\radius{3}
\def\cyclelist{{"orange","blue","red","green"}}
\newcount\cyclecount \cyclecount=-1
\newcount\ind \ind=-1
\begin{tikzpicture}
\begin{tikzpicture}
 \foreach \percent/\name/\color in {
      14.8/Framsóknarflokkur/framsokn,
      23.7/Sjálfstæðisflokkur/sjalfstaedi,
       7.2/Borgarahreyfingin/bjoertframtidid,
     0.6/Lýðræðishreyfingin,
      29.8/Samfylkingin/samfylkingin,
      21.7/Vinstrihreyfingin--grænt framboð/vinstrigraen
 } {
      \ifx\percent\empty\else                 % If \percent is empty, do nothing
        \global\advance\ind by 1              % Advance list index
        % Draw angle and set labels
        \draw[fill={\color!100},draw={\color}] (0,0) -- (\angle:\radius) arc (\angle:\angle+\percent*3.6:\radius) -- cycle;
        \node at (\angle+0.5*\percent*3.6:0.7*\radius) {\percent\%};
        \node[pin=\angle+0.5*\percent*3.6:\name] at (\angle+0.5*\percent*3.6:\radius) {};
        \pgfmathparse{\angle+\percent*3.6}    % Advance angle
        \xdef\angle{\pgfmathresult}           %   and store in \angle
      \fi
    };
\end{tikzpicture}
\end{tikzpicture}
\end{document}