112 lines
2.1 KiB
Python
112 lines
2.1 KiB
Python
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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w = 5
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h = 16
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size = w * h // 8
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buf = bytearray(size)
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maps = {
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framebuf.MONO_VLSB: "MONO_VLSB",
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framebuf.MONO_HLSB: "MONO_HLSB",
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framebuf.MONO_HMSB: "MONO_HMSB",
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}
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for mapping in maps.keys():
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for x in range(size):
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buf[x] = 0
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fbuf = framebuf.FrameBuffer(buf, w, h, mapping)
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print(maps[mapping])
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# access as buffer
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print(memoryview(fbuf)[0])
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# fill
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fbuf.fill(1)
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print(buf)
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fbuf.fill(0)
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print(buf)
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# put pixel
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fbuf.pixel(0, 0, 1)
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fbuf.pixel(4, 0, 1)
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fbuf.pixel(0, 15, 1)
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fbuf.pixel(4, 15, 1)
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print(buf)
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# clear pixel
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fbuf.pixel(4, 15, 0)
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print(buf)
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# get pixel
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print(fbuf.pixel(0, 0), fbuf.pixel(1, 1))
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# hline
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fbuf.fill(0)
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fbuf.hline(0, 1, w, 1)
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print("hline", buf)
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# vline
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fbuf.fill(0)
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fbuf.vline(1, 0, h, 1)
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print("vline", buf)
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# rect
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fbuf.fill(0)
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fbuf.rect(1, 1, 3, 3, 1)
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print("rect", buf)
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# fill rect
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fbuf.fill(0)
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fbuf.fill_rect(0, 0, 0, 3, 1) # zero width, no-operation
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fbuf.fill_rect(1, 1, 3, 3, 1)
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print("fill_rect", buf)
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# line
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fbuf.fill(0)
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fbuf.line(1, 1, 3, 3, 1)
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print("line", buf)
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# line steep negative gradient
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fbuf.fill(0)
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fbuf.line(3, 3, 2, 1, 1)
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print("line", buf)
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# scroll
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fbuf.fill(0)
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fbuf.pixel(2, 7, 1)
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fbuf.scroll(0, 1)
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print(buf)
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fbuf.scroll(0, -2)
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print(buf)
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fbuf.scroll(1, 0)
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print(buf)
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fbuf.scroll(-1, 0)
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print(buf)
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fbuf.scroll(2, 2)
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print(buf)
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# print text
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fbuf.fill(0)
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fbuf.text("hello", 0, 0, 1)
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print(buf)
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fbuf.text("hello", 0, 0, 0) # clear
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print(buf)
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# char out of font range set to chr(127)
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fbuf.text(str(chr(31)), 0, 0)
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print(buf)
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print()
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# test invalid constructor, and stride argument
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try:
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fbuf = framebuf.FrameBuffer(buf, w, h, -1, w)
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except ValueError:
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print("ValueError")
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# test legacy constructor
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fbuf = framebuf.FrameBuffer1(buf, w, h)
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fbuf = framebuf.FrameBuffer1(buf, w, h, w)
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print(framebuf.MVLSB == framebuf.MONO_VLSB)
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