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
|
try:
import framebuf
except ImportError:
print("SKIP")
import sys
sys.exit()
w = 5
h = 16
buf = bytearray(w * h // 8)
fbuf = framebuf.FrameBuffer(buf, w, h, framebuf.MVLSB)
# access as buffer
print(memoryview(fbuf)[0])
# fill
fbuf.fill(1)
print(buf)
fbuf.fill(0)
print(buf)
# put pixel
fbuf.pixel(0, 0, 1)
fbuf.pixel(4, 0, 1)
fbuf.pixel(0, 15, 1)
fbuf.pixel(4, 15, 1)
print(buf)
# clear pixel
fbuf.pixel(4, 15, 0)
print(buf)
# get pixel
print(fbuf.pixel(0, 0), fbuf.pixel(1, 1))
# hline
fbuf.fill(0)
fbuf.hline(0, 1, w, 1)
print('hline', buf)
# vline
fbuf.fill(0)
fbuf.vline(1, 0, h, 1)
print('vline', buf)
# rect
fbuf.fill(0)
fbuf.rect(1, 1, 3, 3, 1)
print('rect', buf)
#fill rect
fbuf.fill(0)
fbuf.fill_rect(1, 1, 3, 3, 1)
print('fill_rect', buf)
# line
fbuf.fill(0)
fbuf.line(1, 1, 3, 3, 1)
print('line', buf)
# line steep negative gradient
fbuf.fill(0)
fbuf.line(3, 3, 2, 1, 1)
print('line', buf)
# scroll
fbuf.fill(0)
fbuf.pixel(2, 7, 1)
fbuf.scroll(0, 1)
print(buf)
fbuf.scroll(0, -2)
print(buf)
fbuf.scroll(1, 0)
print(buf)
fbuf.scroll(-1, 0)
print(buf)
fbuf.scroll(2, 2)
print(buf)
# print text
fbuf.fill(0)
fbuf.text("hello", 0, 0, 1)
print(buf)
fbuf.text("hello", 0, 0, 0) # clear
print(buf)
# char out of font range set to chr(127)
fbuf.text(str(chr(31)), 0, 0)
print(buf)
# test invalid constructor
try:
fbuf = framebuf.FrameBuffer(buf, w, h, 2, framebuf.MVLSB)
except ValueError:
print("ValueError")
# test legacy constructor
fbuf = framebuf.FrameBuffer1(buf, w, h)
fbuf = framebuf.FrameBuffer1(buf, w, h, w)
|
