1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
% !TeX root = ./examples/bear.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-bears}[2021/03/17 version v0.5 Draw teddy bears in TikZ]
\RequirePackage{tikz}
\RequirePackage{tikzlings-addons}
\newcommand*{\bear}[1][]{%
\begin{scope}%
\tikzset{/bear/.cd,#1}%
\bear@draw%
\end{scope}%
\thing[#1]%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname bearhookforeground\endcsname
\csname tikzlinghookforeground\endcsname
}
\newif\ifbear@threeD
\newif\ifbear@back
\newif\ifbear@contour
\tikzset{
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Pass unknown keys on to tikz
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/bear/.search also={/tikz,/pgf,/thing},
/bear/.cd,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% body
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
body/.code = \def\bear@body{#1},
body = brown,
eye/.code = \def\bear@eye{#1},
eye = \bear@body!30!black,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% options
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3D/.code = \bear@threeDtrue,
back/.code = \bear@backtrue,
contour/.code = \bear@contourtrue
\def\bear@contour{#1},
contour/.default = black,
outline/.forward to = /bear/contour,
}
\def\bear@draw{%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% minimal bounding box size
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\path (-0.8, 0.0) rectangle (0.8, 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
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifbear@threeD
\def\bear@part@draw[##1]{\shade[ball color=##1]}
\else
\ifbear@contour
\def\bear@part@draw[##1]{\draw[##1,\bear@contour,fill=white,line width=\scalingfactor*0.4pt]}
\else
\def\bear@part@draw[##1]{\fill[##1]}
\fi
\fi
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Body parts (center: x=0.925)
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname bearhookbackground\endcsname
\csname tikzlinghookbackground\endcsname
%
% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bear@part@draw[\bear@body!70!black] (0.525,0.9) ellipse[x radius=0.35, y radius=0.15, rotate=-50];
\bear@part@draw[\bear@body!70!black] (-0.525,0.9) ellipse[x radius=0.35, y radius=0.15, rotate=50];
%
% Feet if back %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifbear@back
\bear@part@draw[\bear@body!70!black] (0.425, 0.3) circle[radius=0.28];
\bear@part@draw[\bear@body!70!black] (-0.425, 0.3) circle[radius=0.28];
\fi
%
% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bear@part@draw[\bear@body!70!black] (0,0.75) ellipse[x radius=0.55, y radius=0.65];
\ifbear@back\else
\bear@part@draw[\bear@body!50!white] (0,0.7) ellipse[x radius=0.35, y radius=0.4];
\fi
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname bearhookbelly\endcsname
\csname tikzlinghookbelly\endcsname
%
% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifbear@back\else
\bear@part@draw[\bear@body!70!black] (0.425, 0.3) circle[radius=0.28];
\bear@part@draw[\bear@body!70!black] (-0.425, 0.3) circle[radius=0.28];
\bear@part@draw[\bear@body!50!white] (0.425, 0.3) circle[radius=0.17];
\bear@part@draw[\bear@body!50!white] (-0.425, 0.3) circle[radius=0.17];
\fi
%
% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bear@part@draw[\bear@body!70!black] (0.375, 1.95) circle[radius=0.15];
\bear@part@draw[\bear@body!70!black] (-0.375, 1.95) circle[radius=0.15];
\ifbear@back\else
\bear@part@draw[\bear@body!50!white] (0.375, 1.95) circle[radius=0.1];
\bear@part@draw[\bear@body!50!white] (-0.375, 1.95) circle[radius=0.1];
\fi
%
% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bear@part@draw[\bear@body!70!black] (0, 1.55) circle[radius=0.5];
%
% Show details only from the front %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifbear@back\else
%
% Muzzle %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bear@part@draw[\bear@body!50!white] (0, 1.4) ellipse[x radius=0.28, y radius=0.2];
\bear@part@draw[\bear@body!70!white!80!red] (0, 1.5) ellipse[x radius=0.15, y radius=0.08];
%
% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bear@part@draw[\bear@eye] (-0.155, 1.7) circle[radius=0.05];
\bear@part@draw[\bear@eye] (0.155, 1.7) circle[radius=0.05];
%
% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifbear@contour
\draw[\bear@contour,line width=\scalingfactor*0.4pt] (0.145, 1.38) arc [start angle=-20, end angle=-160, radius=0.16];
\else
\draw[\bear@body!30!black,line width=\scalingfactor*0.4pt] (0.145, 1.38) arc [start angle=-20, end angle=-160, radius=0.16];
\fi
%
\fi
%
% adding hook for users to customise %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname bearhookbody\endcsname
\csname tikzlinghookbody\endcsname
%
}
|