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
|
-- http://www.ibm.com/developerworks/library/l-cairo/index.html
-- http://www.ibm.com/developerworks/library/l-cairo/index.html#download
-- http://www.dynaset.org/dogusanh/luacairo
local cairo = require "lcairo"
local CAIRO = cairo
print (cairo.version_string())
local WIDTH = 670
local HEIGHT = 230
surface = cairo.image_surface_create (CAIRO.FORMAT_ARGB32, WIDTH, HEIGHT)
cr = cairo.create (surface);
local pen_radius = 10;
cairo.set_source_rgb (cr, 1, 1, 1);
cairo.paint (cr);
cairo.set_line_width (cr, pen_radius * 2);
cairo.set_source_rgba (cr, .3, .42, .69, 1);
cairo.move_to (cr, 10, 10);
cairo.line_to (cr, 160, 10);
cairo.move_to (cr, 10, 40);
cairo.line_to (cr, 160, 40);
cairo.move_to (cr, 60, 70);
cairo.line_to (cr, 110, 70);
cairo.move_to (cr, 60, 100);
cairo.line_to (cr, 110, 100);
cairo.move_to (cr, 60, 130);
cairo.line_to (cr, 110, 130);
cairo.move_to (cr, 60, 160);
cairo.line_to (cr, 110, 160);
cairo.move_to (cr, 10, 190);
cairo.line_to (cr, 160, 190);
cairo.move_to (cr, 10, 220);
cairo.line_to (cr, 160, 220);
cairo.move_to (cr, 170, 10);
cairo.line_to (cr, 340, 10);
cairo.move_to (cr, 170, 40);
cairo.line_to (cr, 360, 40);
cairo.move_to (cr, 200, 70);
cairo.line_to (cr, 250, 70);
cairo.move_to (cr, 300, 70);
cairo.line_to (cr, 360, 70);
cairo.move_to (cr, 210, 100);
cairo.line_to (cr, 350, 100);
cairo.move_to (cr, 210, 130);
cairo.line_to (cr, 350, 130);
cairo.move_to (cr, 200, 160);
cairo.line_to (cr, 250, 160);
cairo.move_to (cr, 300, 160);
cairo.line_to (cr, 360, 160);
cairo.move_to (cr, 170, 190);
cairo.line_to (cr, 360, 190);
cairo.move_to (cr, 170, 220);
cairo.line_to (cr, 340, 220);
cairo.move_to (cr, 370, 10);
cairo.line_to (cr, 470, 10);
cairo.move_to (cr, 560, 10);
cairo.line_to (cr, 660, 10);
cairo.move_to (cr, 370, 40);
cairo.line_to (cr, 490, 40);
cairo.move_to (cr, 540, 40);
cairo.line_to (cr, 660, 40);
cairo.move_to (cr, 400, 70);
cairo.line_to (cr, 510, 70);
cairo.move_to (cr, 520, 70);
cairo.line_to (cr, 630, 70);
cairo.move_to (cr, 400, 100);
cairo.line_to (cr, 630, 100);
cairo.move_to (cr, 400, 130);
cairo.line_to (cr, 470, 130);
cairo.move_to (cr, 480, 130);
cairo.line_to (cr, 550, 130);
cairo.move_to (cr, 560, 130);
cairo.line_to (cr, 630, 130);
cairo.move_to (cr, 400, 160);
cairo.line_to (cr, 470, 160);
cairo.move_to (cr, 490, 160);
cairo.line_to (cr, 540, 160);
cairo.move_to (cr, 560, 160);
cairo.line_to (cr, 630, 160);
cairo.move_to (cr, 370, 190);
cairo.line_to (cr, 470, 190);
cairo.move_to (cr, 500, 190);
cairo.line_to (cr, 530, 190);
cairo.move_to (cr, 560, 190);
cairo.line_to (cr, 660, 190);
cairo.move_to (cr, 370, 220);
cairo.line_to (cr, 470, 220);
cairo.move_to (cr, 510, 220);
cairo.line_to (cr, 520, 220);
cairo.move_to (cr, 560, 220);
cairo.line_to (cr, 660, 220);
cairo.stroke(cr);
cairo.destroy (cr);
cairo.surface_write_to_png (surface, "ibm.png");
cairo.surface_destroy (surface); |
