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path: root/graphics/pgf/contrib/tikzlings/tikzlings-pigs.sty
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% !TeX root = ./examples/pig.tex
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% The tikzlings-pigs package (part of the tikzlings collection)
% A package to bring little pigs into tikz
% Maintained by samcarter
%
% Project repository and bug tracker:
% https://github.com/samcarter/tikzlings
%
% Released under the LaTeX Project Public License v1.3c or later
% See http://www.latex-project.org/lppl.txt
%
% Version 0.2
% April 7, 2019    
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ProvidesPackage{tikzlings-pigs}
 [2019/04/07 v0.2 Drawing pigs in TikZ]

\RequirePackage{tikz}
\RequirePackage{tikzlings-addons}
\definecolor{pigdark}{RGB}{241,164,142}

\newcommand*{\pig}[1][]{%
  \begin{scope}%
    \tikzset{/pig/.cd,#1}%
    \pig@draw%
  \end{scope}%
  \thing[#1]%
}

\newif\ifpig@threeD

\tikzset{
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %
  % Pass unknown keys on to tikz
  %
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  /pig/.search also={/tikz,/pgf,/thing},
  /pig/.cd,
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %
  % body
  %
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  body/.code         = \def\pig@body{#1},
  body               = pigdark,
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %
  % options
  %
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  3D/.code           = \pig@threeDtrue, 
}

\def\pig@draw{%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% minimal bounding box size 
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\path (-0.625,0.1) rectangle (0.905, 2.27);
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% store the current scale factor
% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 
% switch between 2D and 3D, from
% https://chat.stackexchange.com/transcript/message/45991801#45991801
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifpig@threeD
  \def\pig@part@draw[##1]{\shade[ball color=##1]}
\else
  \def\pig@part@draw[##1]{\fill[##1]}
\fi
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Body parts (center: x=0)
% 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Tail %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\draw[\pig@body,line width=\scalingfactor*0.8pt] (0.8471, 0.5927) .. controls (0.8549, 0.4832) and (0.8046, 0.4105) .. (0.7319, 0.4079) .. controls (0.6592, 0.4052) and (0.6142, 0.4365) .. (0.5964, 0.5024) .. controls (0.5786, 0.5682) and (0.6252, 0.6291) .. (0.6794, 0.6342) .. controls (0.7335, 0.6394) and (0.7561, 0.6114) .. (0.7663, 0.5661) .. controls (0.7765, 0.5208) and (0.746, 0.458) .. (0.7192, 0.4319) .. controls (0.6924, 0.4058) and (0.7073, 0.4182) .. (0.6604, 0.3859) .. controls (0.6134, 0.3536) and (0.4367, 0.3643) .. (0.3877, 0.5055);
%
% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pig@part@draw[\pig@body!55!white] ( 0.6,  0.8 ) .. controls ( 0.6 , 0.4) and ( 0.35, 0.16) .. ( 0.0,  0.16) .. controls (-0.35, 0.16) and (-0.6 , 0.4) .. (-0.6,  0.8 ) .. controls (-0.6 , 1.3) and (-0.35, 1.5) .. ( 0.0,  1.5) .. controls ( 0.35, 1.5) and ( 0.6 , 1.3) .. ( 0.6,  0.75) -- cycle;
%
% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pig@part@draw[\pig@body] (-0.2402, 0.9823) .. controls (-0.2994, 1.0582) and (-0.3721, 1.0651) .. (-0.4024, 0.9978) .. controls (-0.4327, 0.9305) and (-0.4092, 0.8145) .. (-0.35, 0.7386) .. controls (-0.3311, 0.7145) and (-0.3101, 0.6964) .. (-0.289, 0.6862) .. controls (-0.2755, 0.7023) and (-0.2498, 0.7563) .. (-0.2498, 0.7563) .. controls (-0.2498, 0.7563) and (-0.1790, 0.731) .. (-0.1611, 0.746) .. controls (-0.1611, 0.746) and (-0.1809, 0.9064) .. (-0.2402, 0.9823) -- cycle;
\pig@part@draw[\pig@body] (0.2402, 0.9823) .. controls (0.2994, 1.0582) and (0.3721, 1.0651) .. (0.4024, 0.9978) .. controls (0.4327, 0.9305) and (0.4092, 0.8145) .. (0.35, 0.7386) .. controls (0.3311, 0.7145) and (0.3101, 0.6964) .. (0.289, 0.6862) .. controls (0.2755, 0.7023) and (0.2498, 0.7563) .. (0.2498, 0.7563) .. controls (0.2498, 0.7563) and (0.1790, 0.731) .. (0.1611, 0.746) .. controls (0.1611, 0.746) and (0.1809, 0.9064) .. (0.2402, 0.9823) -- cycle;
%
% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pig@part@draw[\pig@body!55!white] (0,1.64) ellipse (.5 and .5);
%
% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pig@part@draw[gray] (-0.09, 1.82) circle (0.02);
\pig@part@draw[gray] ( 0.09, 1.82) circle (0.02);
%
% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pig@part@draw[\pig@body]  (0, 1.62) ellipse (0.18 and 0.14);
\pig@part@draw[gray]  (-0.06, 1.62) circle (0.035);
\pig@part@draw[gray]  ( 0.06, 1.62) circle (0.035);
%
% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifpig@threeD
	\draw[gray!70!black,line width=\scalingfactor*0.4pt] (0.105, 1.46) arc [start angle=-50, end angle=-130, radius=0.16] ;
\else
	\draw[gray,line width=\scalingfactor*0.4pt] (0.105, 1.46) arc [start angle=-50, end angle=-130, radius=0.16] ;
\fi
%
% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pig@part@draw[\pig@body] (0.22, 2.0392) .. controls 	(0.22, 2.1584) and 	(0.49460, 2.255) .. 	(0.49460, 2.255) .. controls 	(0.49460, 2.255) and (0.5300, 1.86) .. (0.3721, 1.86) .. controls (0.2891, 1.86) and 	(0.22, 1.9201) .. (0.22, 2.0392) -- cycle;
\pig@part@draw[\pig@body!55!white] (0.22, 2.0392) .. controls (0.26, 2.1584) and (0.47, 2.22) .. (0.47, 2.20) .. controls (0.47, 2.2) and (0.49, 1.9) .. (0.3721, 1.9) .. controls (0.2891, 1.88) and (0.22, 1.88) .. (0.22, 2.0392) -- cycle;	
\pig@part@draw[\pig@body] (-0.22, 2.0392) .. controls 	(-0.22, 2.1584) and 	(-0.49460, 2.255) .. 	(-0.49460, 2.255) .. controls 	(-0.49460, 2.255) and (-0.5300, 1.86) .. (-0.3721, 1.86) .. controls (-0.2891, 1.86) and 	(-0.22, 1.9201) .. (-0.22, 2.0392) -- cycle;
\pig@part@draw[\pig@body!55!white] (-0.22, 2.0392) .. controls (-0.26, 2.1584) and (-0.47, 2.22) .. (-0.47, 2.20) .. controls (-0.47, 2.2) and (-0.49, 1.9) .. (-0.3721, 1.9) .. controls (-0.2891, 1.88) and (-0.22, 1.88) .. (-0.22, 2.0392) -- cycle;	
%	
% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pig@part@draw[\pig@body] (0.3216,0.15) arc (-15:195:0.12) -- (0.16,0.15) to [bend left] (0.25,0.15) -- cycle;
\pig@part@draw[\pig@body] (-0.3216,0.15) arc (195:-15:0.12) -- (-0.16,0.15) to[bend right] (-0.25,0.15) --cycle;
%
}