micropython/tests/extmod/framebuf4.py

56 lines
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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)