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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
\immediate\write18{tex spath.dtx}
\documentclass[border=10pt]{standalone}
\usepackage{tikz}
\usetikzlibrary{decorations}
\usepackage{spath}
\begin{document}
\begin{tikzpicture}
\draw[rounded corners=14pt,save path=\tmppath] (0,0) -- (3,0) -- (3,2)[sharp corners] -- (0,2) -- cycle;
\pgfoonew \mypath=new spath(\tmppath)
\mypath.show(path)
\mypath.round corners(,7pt,14pt)
\mypath.show(path)
\mypath.translate path(,0pt,-3cm)
\mypath.use path(draw)
\end{tikzpicture}
\end{document}
\begin{tikzpicture}
\useasboundingbox (-5,-5) rectangle (5,5);
\path[decoration={curveto},decorate,save path=\tmppath] (2,0) to[bend right] (4,2) to[bend right] (5,0) to[bend right] (2,0);
\pgfoonew \opath=new spath(\tmppath)
\opath.prepare()
\opath.spirograph(,0pt,0pt,36)
\opath.use path with tikz(draw,blue)
\end{tikzpicture}
\end{document}
\begin{tikzpicture}
\draw[save path=\tmppath] \foreach \k in {0,...,1000} {(0,0) -- +(\k * 10:2)};
\pgfoonew \mypath=new spath(\tmppath)
\mypath.prepare()
\mypath.initial point()
\mypath.final point()
\end{tikzpicture}
\end{document}
\draw[save path=\tmppath,line width=1mm,red] (-1,0) -- (0,0) .. controls +(1,0) and +(1,0) .. (1,1);
%\path[save path=\tmppath] (-1,0) .. controls +(.1,0) and +(-.1,0) .. (0,1) .. controls +(.1,0) and +(-.1,0) .. (1,0);
\show\tmppath
\pgfoonew \mypath=new spath(\tmppath)
\mypath.prepare()
\mypath.show(path)
\mypath.reverse path()
\mypath.show(path)
\mypath.use path with tikz(draw)
\mypath.translate path(,0cm,-2cm)
\mypath.at least three()
\mypath.show(path)
\mypath.show(real length)
\mypath.split path by real length(\fpath,\mpath,1)
\begin{scope}[ultra thick]
\fpath.taper out()
\fpath.use path with tikz(fill)
\mpath.split path by real length(\mmpath,\epath,-1)
\epath.reverse path()
\epath.taper out()
\epath.use path with tikz(fill)
\mmpath.use path with tikz(draw)
\end{scope}
%\mypath.show(reverse path)
%\fpath.show(reverse path)
%\epath.show(reverse path)
\end{tikzpicture}
\end{document}
\begin{tikzpicture}
\path[save path=\tmppath] (0,0) -- (1,1) (2,1) .. controls (3,1) and (4,2) .. (5,2);
\show\tmppath
\pgfoonew \mypath =new spath(\tmppath)
\mypath.show(path)
\mypath.length()
\mypath.initial point()
\mypath.show(initial point)
\mypath.final point()
\mypath.show(final point)
\mypath.show(length)
\mypath.translate path(\trpath,1cm,1cm)
\mypath.show(path)
\trpath.show(path)
\mypath.concatenate(\catpath,\trpath)
\catpath.show(path)
\mypath.weld(,\trpath)
\mypath.show(path)
\mypath.use path with tikz(draw,red,line width=.5cm)
\mypath.use path(stroke)
\pgfsetlinewidth{5pt}
\mypath.show(length)
\mypath.set(taper line width,2pt)
\mypath.translate path(,0pt,-1cm)
\mypath.prepare()
\mypath.show(first action)
\mypath.taper start(\taperpath,\restpath)
\taperpath.show(path)
\taperpath.use path(fill)
\restpath.taper end(\taperendpath,\morepath)
\taperendpath.use path(fill)
\morepath.use path(stroke)
\mypath.show(path)
\end{tikzpicture}
\end{document}
\show\tmppath
\spathsplit\mysplitpath\tmppath
\mysplitpath.get path(\firstpath)
\firstpath.show attribute(path)
\mysplitpath.get next component(\mynextbit)
\mynextbit.get path(\otherpath)
\otherpath.translate(,-1cm,0pt)
\firstpath.concatenate(\otherpath,\catpath)
\otherpath.show attribute(path)
\firstpath.show attribute(path)
\catpath.show attribute(path)
\pgfsetstrokecolor{red}
%\otherpath.use path(stroke)
\mynextbit.get path(\otherpath)
\otherpath.show attribute(reverse)
\otherpath.prepare()
\otherpath.show attribute(reverse)
\otherpath.show attribute(path)
\pgfsetstrokecolor{blue}
\otherpath.use path(stroke)
%\otherpath.use path(stroke)
\otherpath.at least three()
\otherpath.show attribute(path)
\otherpath.translate(,0pt,1cm)
\pgfsetstrokecolor{red}
\pgfsetfillcolor{red}
\pgfsetlinewidth{.1cm}
\otherpath.taper start(\taperpath,\restpath)
\taperpath.show attribute(path)
\taperpath.use path(fill)
\restpath.taper end(\taperendpath,\morepath)
\taperendpath.use path(fill)
\morepath.use path(stroke)
\end{tikzpicture}
\end{document}
\begin{document}
\begin{tikzpicture}
\draw[save path=\tmppath] (0,0) -- (1,1) (2,1) .. controls (3,1) and (4,2) .. (5,2);
\makeatletter
\show\tmppath
\spath@translate\tmppath{1cm}{0cm}
\show\spath@tmppath
\spath@start\spath@tmppath
\showthe\spath@sx
\showthe\spath@sy
\spath@length\tmppath
\message{Length: \arabic{spath@length}}
\spath@components\tmppath
\message{Components: \arabic{spath@length}}
\spath@reverse\tmppath
\show\spath@tmppath
\spath@start\tmppath
\showthe\spath@sx
\showthe\spath@sy
\spath@end\tmppath
\showthe\spath@ex
\showthe\spath@ey
\show\tmppath
\spath@prepare\tmppath{path}
\show\spath@array@path@length
\expandafter\show\csname spath@array@path@1\endcsname
\expandafter\show\csname spath@array@path@1@rev\endcsname
\expandafter\show\csname spath@array@path@1@start\endcsname
\expandafter\show\csname spath@array@path@1@end\endcsname
\expandafter\show\csname spath@array@path@1@length\endcsname
\expandafter\show\csname spath@array@path@1@first\endcsname
\expandafter\show\csname spath@array@path@1@last\endcsname
\expandafter\show\csname spath@array@path@2\endcsname
\expandafter\show\csname spath@array@path@2@rev\endcsname
\expandafter\show\csname spath@array@path@2@start\endcsname
\expandafter\show\csname spath@array@path@2@end\endcsname
\expandafter\show\csname spath@array@path@2@length\endcsname
\expandafter\show\csname spath@array@path@2@first\endcsname
\expandafter\show\csname spath@array@path@2@last\endcsname
\makeatother
\end{tikzpicture}
\end{document}
% Local Variables:
% tex-output-type: "pdf18"
% End:
|