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+% !TeX root = ./examples/snowman.tex
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% This package is part of the TikZlings package
+% A package to bring cute little animals and other beings 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
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ProvidesPackage{tikzlings-snowmen}[2021/04/16 version v0.6 Draw snowmen in TikZ]
+
+\RequirePackage{tikz}
+\RequirePackage{tikzlings-addons}
+
+\newcommand*{\snowman}[1][]{%
+ \begin{scope}%
+ \tikzset{/snowman/.cd,#1}%
+ \snowman@draw%
+ \end{scope}%
+ \thing[#1]%
+ % adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \csname snowmanhookforeground\endcsname
+ \csname tikzlinghookforeground\endcsname
+ %
+}
+
+\newif\ifsnowman@threeD
+\newif\ifsnowman@back
+\newif\ifsnowman@globalwarming
+\newif\ifsnowman@contour
+
+\tikzset{
+ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ %
+ % Pass unknown keys on to tikz
+ %
+ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ /snowman/.search also={/tikz,/pgf,/thing},
+ /snowman/.cd,
+ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ %
+ % body
+ %
+ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ body/.code = \def\snowman@body{#1},
+ body = white!95!black,
+ eye/.code = \def\snowman@eye{#1},
+ eye = black,
+ nose/.code = \def\snowman@nose{#1},
+ nose = orange,
+ mouth/.code = \def\snowman@mouth{#1},
+ mouth = black,
+ buttons/.code = \def\snowman@buttons{#1},
+ buttons = black,
+ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ %
+ % options
+ %
+ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ 3D/.code = \snowman@threeDtrue,
+ back/.code = \snowman@backtrue,
+ globalwarming/.code= \snowman@globalwarmingtrue
+ \def\snowman@globalwarming{#1},
+ globalwarming/.default = blue!10!white,
+ global warming/.forward to = /snowman/globalwarming,
+ contour/.code = \snowman@contourtrue
+ \def\snowman@contour{#1}
+ \def\snowman@mouth{#1},
+ contour/.default = black,
+ outline/.forward to = /snowman/contour,
+}
+
+\def\snowman@draw{%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% minimal bounding box size
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\path (-0.75, 0.0) rectangle (0.75, 2.13);
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% 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))*sqrt(abs((\pgf@xx/1cm)*(\pgf@yy/1cm)-(\pgf@xy/1cm)*(\pgf@yx/1cm)))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% switch between 2D, 3D and contours, from
+% https://chat.stackexchange.com/transcript/message/45991801#45991801
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifsnowman@threeD
+ \def\snowman@part@draw[##1]{\shade[ball color=##1]}
+\else
+ \ifsnowman@contour
+ \def\snowman@part@draw[##1]{\draw[##1,\snowman@contour,fill=white,line width=\scalingfactor*0.4pt]}
+ \else
+ \def\snowman@part@draw[##1]{\fill[##1]}
+ \fi
+\fi
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Body parts
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\csname snowmanhookbackground\endcsname
+\csname tikzlinghookbackground\endcsname
+%
+% Global warming %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifsnowman@globalwarming
+ %
+ % Puddle %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \ifsnowman@contour
+ \draw[\snowman@contour,fill=white,line width=\scalingfactor*0.4pt] (0,1.15) ellipse[x radius=1.6,y radius=1.15];
+ \else
+ \fill[\snowman@globalwarming] (0,1.15) ellipse[x radius=1.6,y radius=1.15];
+ \fi
+ %
+ % adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \csname snowmanhookbelly\endcsname
+ \csname tikzlinghookbelly\endcsname
+ %
+ % Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \fill[\snowman@mouth] (0,1.23) circle[radius=0.025];
+ \fill[\snowman@mouth] (0.06,1.3) circle[radius=0.025];
+ \fill[\snowman@mouth] (-0.06,1.27) circle[radius=0.025];
+ \fill[\snowman@mouth] (0.09,1.37) circle[radius=0.025];
+ \fill[\snowman@mouth] (-0.18,1.28) circle[radius=0.025];
+ \fill[\snowman@mouth] (0.2,1.28) circle[radius=0.025];
+ \fill[\snowman@mouth] (-0.25,1.2) circle[radius=0.025];
+ %
+ % Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@eye] (-0.5,1.75) circle[radius=0.06];
+ \snowman@part@draw[\snowman@eye] (-0.1,1.55) circle[radius=0.06];
+ %
+ % Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@nose] (-0.6,1.4) -- (-0.8,1.42) -- (-0.6,1.54) (-0.6,1.4) arc[radius=0.07, start angle=-90, end angle=90];
+ %
+ % Buttons %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@buttons] (0.1,0.8) circle[radius=0.06];
+ \snowman@part@draw[\snowman@buttons] (-0.15,0.55) circle[radius=0.06];
+ \snowman@part@draw[\snowman@buttons] (0,0.25) circle[radius=0.06];
+%
+% normal snowman %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\else
+ %
+ % Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@body] (0.5,1.1) ellipse[x radius=0.3, y radius=0.12, rotate=-50];
+ \snowman@part@draw[\snowman@body] (-0.5,1.1) ellipse[x radius=0.3, y radius=0.12, rotate=50];
+ %
+ % Body + Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@body] (0,0.5) ellipse[x radius=0.6, y radius=0.5];
+ \snowman@part@draw[\snowman@body] (0,1.1) ellipse[x radius=0.5, y radius=0.4];
+ \snowman@part@draw[\snowman@body] (0,1.7) circle[radius=0.4];
+ %
+ % adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \csname snowmanhookbelly\endcsname
+ \csname tikzlinghookbelly\endcsname
+ %
+ % Show details only from the front %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \unless\ifsnowman@back
+ %
+ % Mouth% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \fill[\snowman@mouth] (0,1.5) circle[radius=0.016];
+ \fill[\snowman@mouth] (0.04,1.507) circle[radius=0.016];
+ \fill[\snowman@mouth] (-0.04,1.507) circle[radius=0.016];
+ \fill[\snowman@mouth] (0.08,1.522) circle[radius=0.016];
+ \fill[\snowman@mouth] (-0.08,1.522) circle[radius=0.016];
+ \fill[\snowman@mouth] (0.12,1.543) circle[radius=0.016];
+ \fill[\snowman@mouth] (-0.12,1.543) circle[radius=0.016];
+ %
+ % Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@eye] (-0.155,1.8) circle[radius=0.04];
+ \snowman@part@draw[\snowman@eye] (0.155,1.8) circle[radius=0.04];
+ %
+ % Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@nose] (0,1.72) arc [radius=0.05, start angle=90, end angle=270] (0,1.62) -- (0.15,1.64) -- (0,1.72);
+ %
+ % Buttons %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ \snowman@part@draw[\snowman@buttons] (0,1.15) circle[radius=0.04];
+ \snowman@part@draw[\snowman@buttons] (0,0.95) circle[radius=0.04];
+ \snowman@part@draw[\snowman@buttons] (0,0.75) circle[radius=0.04];
+ %
+\fi\fi
+% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\csname snowmanhookbody\endcsname
+\csname tikzlinghookbody\endcsname
+%
+}