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try:
import framebuf
except ImportError:
print("SKIP")
raise SystemExit
w = 5
h = 16
size = w * h // 8
buf = bytearray(size)
maps = {framebuf.MONO_VLSB : 'MONO_VLSB',
framebuf.MONO_HLSB : 'MONO_HLSB',
framebuf.MONO_HMSB : 'MONO_HMSB'}
for mapping in maps.keys():
for x in range(size):
buf[x] = 0
fbuf = framebuf.FrameBuffer(buf, w, h, mapping)
print(maps[mapping])
# 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(0, 0, 0, 3, 1) # zero width, no-operation
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)
print()
# test invalid constructor, and stride argument
try:
fbuf = framebuf.FrameBuffer(buf, w, h, -1, w)
except ValueError:
print("ValueError")
# test legacy constructor
fbuf = framebuf.FrameBuffer1(buf, w, h)
fbuf = framebuf.FrameBuffer1(buf, w, h, w)
print(framebuf.MVLSB == framebuf.MONO_VLSB)
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