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framebuf4.py

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try:

import framebuf

except ImportError:

print("SKIP")

raise SystemExit

def printbuf():

print("--8<--")

for y in range(h):

print(buf[y * w // 2 : (y + 1) * w // 2])

print("-->8--")

w = 16

h = 8

buf = bytearray(w * h // 2)

fbuf = framebuf.FrameBuffer(buf, w, h, framebuf.GS4_HMSB)

# fill

fbuf.fill(0x0F)

printbuf()

fbuf.fill(0xA0)

printbuf()

# put pixel

fbuf.pixel(0, 0, 0x01)

printbuf()

fbuf.pixel(w - 1, 0, 0x02)

printbuf()

fbuf.pixel(w - 1, h - 1, 0x03)

printbuf()

fbuf.pixel(0, h - 1, 0x04)

printbuf()

# get pixel

print(fbuf.pixel(0, 0), fbuf.pixel(w - 1, 0), fbuf.pixel(w - 1, h - 1), fbuf.pixel(0, h - 1))

print(fbuf.pixel(1, 0), fbuf.pixel(w - 2, 0), fbuf.pixel(w - 2, h - 1), fbuf.pixel(1, h - 1))

# fill rect

fbuf.fill_rect(0, 0, w, h, 0x0F)

printbuf()

fbuf.fill_rect(0, 0, w, h, 0xF0)

fbuf.fill_rect(1, 0, w // 2 + 1, 1, 0xF1)

printbuf()

fbuf.fill_rect(1, 0, w // 2 + 1, 1, 0x10)

fbuf.fill_rect(1, 0, w // 2, 1, 0xF1)

printbuf()

fbuf.fill_rect(1, 0, w // 2, 1, 0x10)

fbuf.fill_rect(0, h - 4, w // 2 + 1, 4, 0xAF)

printbuf()

fbuf.fill_rect(0, h - 4, w // 2 + 1, 4, 0xB0)

fbuf.fill_rect(0, h - 4, w // 2, 4, 0xAF)

printbuf()

fbuf.fill_rect(0, h - 4, w // 2, 4, 0xB0)