1#!/usr/bin/env python
2# -*- coding: utf-8; -*-
3
4# Append to effective python path so that can find plplot modules.
5from plplot_python_start import *
6
7import sys
8import plplot as w
9from numpy import *
10
11x = [0.5]
12y = [0.5]
13
14title = [
15  "Large Circle + Light Diagonal Cross with plptex",
16  "UTF-8 plus",
17  "UTF-8 squared plus",
18  "UTF-8 heavy plus",
19  "UTF-8 minus",
20  "UTF-8 squared minus",
21  "UTF-8 heavy minus",
22  "UTF-8 times",
23  "UTF-8 squared times",
24  "UTF-8 heavy multiplication x",
25  "UTF-8 number sign",
26  "UTF-8 full-width number sign",
27  "UTF-8 asterisk",
28  "UTF-8 four teardrop-spoked asterisk",
29  "UTF-8 8-spoked asterisk",
30  "UTF-8 asterisk operator",
31  "UTF-8 Asterisk operator with plptex",
32  "Plplot Encoded Unicode Indexed Asterisk operator with plptex",
33  "Plplot Encoded Hershey Indexed Asterisk operator with plptex",
34  "Hershey Asterisk operator with plsym",
35  "Hershey Asterisk operator with plpoin",
36  "Plplot Encoded Hershey Indexed Asterisk operator with plstring",
37]
38ifunicode = True
39
40# Parse and process command line arguments
41w.plparseopts(sys.argv, w.PL_PARSE_FULL)
42
43# Initialize plplot
44w.plinit()
45for kind in range(len(title)):
46  w.pladv(0)
47  w.plvpor(0.1, 0.9, 0.1, 0.9)
48  w.plwind(0., 1., 0., 1.)
49  # Just to show edges of viewport
50  w.plcol0(1)
51  w.plbox("bc", 0., 0, "bc", 0., 0)
52  w.plcol0(2)
53  w.plschr(0., 1.)
54  w.plmtex("t", 1., 0.5, 0.5, title[kind])
55  k=0
56  for size in 2.**arange(2,-3,-1):
57    k+=1
58    w.plcol0(k)
59    if kind==0:
60      if ifunicode:
61        w.plschr(0., 4.*size)
62        # LARGE CIRCLE has a centre of symmetry which is about one-eighth the
63        # radius below the centre of symmetry of the box for DejaVu Sans.
64        w.plptex(0.5, 0.5, 1., 0., 0.5, "#[0x25ef]")
65        # BOX DRAWINGS LIGHT DIAGONAL CROSS is one of the best centred symmetrical
66        # glyphs I have found using gucharmap for DejaVu Sans.
67        w.plptex(0.5, 0.5, 1., 0., 0.5, "#[0x2573]")
68      else:
69        w.plschr(0., 4.*size)
70        # Large circle via Hershey fonts.
71        w.plptex(0.5, 0.5, 1., 0., 0.5, "#(907)")
72    elif kind ==1:
73      # Print a utf-8 plus
74      w.plschr(0., 16.*size)
75      w.plstring(x, y, "+")
76    elif kind ==2:
77      # Print a utf-8 squared plus
78      w.plschr(0., 16.*size)
79      w.plstring(x, y, "⊞")
80    elif kind ==3:
81      # Print a utf-8 heavy plus
82      w.plschr(0., 16.*size)
83      w.plstring(x, y, "➕")
84    elif kind ==4:
85      # Print a utf-8 minus
86      w.plschr(0., 16.*size)
87      w.plstring(x, y, "-")
88    elif kind ==5:
89      # Print a utf-8 squared minus
90      w.plschr(0., 16.*size)
91      w.plstring(x, y, "⊟")
92    elif kind ==6:
93      # Print a utf-8 heay minus
94      w.plschr(0., 16.*size)
95      w.plstring(x, y, "➖")
96    elif kind ==7:
97      # Print a utf-8 times
98      w.plschr(0., 16.*size)
99      w.plstring(x, y, "×")
100    elif kind ==8:
101      # Print a utf-8 squared times
102      w.plschr(0., 16.*size)
103      w.plstring(x, y, "⊠")
104    elif kind ==9:
105      # Print a utf-8 heavy multiplication x
106      w.plschr(0., 16.*size)
107      w.plstring(x, y, "✖")
108    elif kind ==10:
109      # Print a utf-8 number sign
110      w.plschr(0., 16.*size)
111      w.plstring(x, y, "##")
112    elif kind ==11:
113      # Print a utf-8 full-width number sign
114      w.plschr(0., 16.*size)
115      w.plstring(x, y, "＃")
116    elif kind ==12:
117      # Print a utf-8 asterisk
118      w.plschr(0., 16.*size)
119      w.plstring(x, y, "*")
120    elif kind ==13:
121      # Print a utf-8 four teardrop-spoked asterisk
122      w.plschr(0., 16.*size)
123      w.plstring(x, y, "✢" )
124    elif kind ==14:
125      # Print a utf-8 8-spoked asterisk
126      w.plschr(0., 16.*size)
127      w.plstring(x, y, "✳")
128    elif kind ==15:
129      # Print a utf-8 asterisk operator
130      w.plschr(0., 16.*size)
131      w.plstring(x, y, "∗")
132    elif kind ==16:
133      # Print a utf-8 asterisk operator using w.plptex
134      w.plschr(0., 16.*size)
135      w.plptex(0.5, 0.5, 1., 0., 0.5, "∗")
136    elif kind ==17:
137      # Print a (PLplot encoded) unicode indexed asterisk operator using w.plptex
138      w.plschr(0., 16.*size)
139      w.plptex(0.5, 0.5, 1., 0., 0.5, "#[0x2217]")
140    elif kind ==18:
141      # Print a (PLplot encoded) Hershey indexed asterisk operator using w.plptex
142      w.plschr(0., 16.*size)
143      w.plptex(0.5, 0.5, 1., 0., 0.5, "#(728)")
144    elif kind ==19:
145      # Print an asterisk operator using w.plsym
146      w.plssym(0., 16.*size)
147      w.plsym(x, y, 728)
148    elif kind ==20:
149      # Print an asterisk operator using w.plpoin
150      w.plssym(0., 16.*size)
151      w.plpoin(x, y, 3)
152    elif kind ==21:
153      # Print a (PLplot encoded) Hershey indexed asterisk operator using w.plstring
154      w.plschr(0., 16.*size)
155      w.plstring(x, y, "#(728)")
156    else:
157      print("missing kind value: bad code")
158# Terminate plplot
159w.plend()
160
161