46 lines
795 B
Python
46 lines
795 B
Python
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try:
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import framebuf
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except ImportError:
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print("SKIP")
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raise SystemExit
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def printbuf():
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print("--8<--")
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bytes_per_row = w // 2
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for y in range(h):
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for x in range(bytes_per_row):
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print("%02x" % buf[(x + y * bytes_per_row)], end="")
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print()
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print("-->8--")
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w = 10
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h = 10
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buf = bytearray(w * h // 2)
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fbuf = framebuf.FrameBuffer(buf, w, h, framebuf.GS4_HMSB)
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def prepare_buffer():
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fbuf.fill(0)
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fbuf.rect(2, 0, 6, 10, 0x07, True)
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fbuf.rect(0, 2, 10, 6, 0x01, True)
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prepare_buffer()
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printbuf()
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fbuf.scroll(5, -1)
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printbuf()
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prepare_buffer()
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fbuf.scroll(-5, 5)
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printbuf()
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prepare_buffer()
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# Scrolling by at least the size of buffer, no change to buffer.
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fbuf.scroll(15, 7)
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fbuf.scroll(10, -1)
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fbuf.scroll(1, -10)
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printbuf()
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