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
|
try:
import framebuf
except ImportError:
print("SKIP")
raise SystemExit
def printbuf():
print("--8<--")
for y in range(h):
for x in range(w):
print("%u" % ((buf[(x + y * w) // 4] >> ((x & 3) << 1)) & 3), end="")
print()
print("-->8--")
w = 8
h = 5
buf = bytearray(w * h // 4)
fbuf = framebuf.FrameBuffer(buf, w, h, framebuf.GS2_HMSB)
# fill
fbuf.fill(3)
printbuf()
fbuf.fill(0)
printbuf()
# put pixel
fbuf.pixel(0, 0, 1)
fbuf.pixel(3, 0, 2)
fbuf.pixel(0, 4, 3)
fbuf.pixel(3, 4, 2)
printbuf()
# get pixel
print(fbuf.pixel(0, 4), fbuf.pixel(1, 1))
# scroll
fbuf.fill(0)
fbuf.pixel(2, 2, 3)
printbuf()
fbuf.scroll(0, 1)
printbuf()
fbuf.scroll(1, 0)
printbuf()
fbuf.scroll(-1, -2)
printbuf()
w2 = 2
h2 = 3
buf2 = bytearray(h2 * ((w2 + 3) // 4))
fbuf2 = framebuf.FrameBuffer(buf2, w2, h2, framebuf.GS2_HMSB)
# blit
fbuf2.fill(0)
fbuf2.pixel(0, 0, 1)
fbuf2.pixel(0, 2, 2)
fbuf2.pixel(1, 0, 1)
fbuf2.pixel(1, 2, 2)
fbuf.fill(3)
fbuf.blit(fbuf2, 3, 3, 0)
fbuf.blit(fbuf2, -1, -1, 0)
fbuf.blit(fbuf2, 16, 16, 0)
printbuf()
|
