kopia lustrzana https://github.com/russhughes/st7789py_mpy
99 wiersze
2.4 KiB
Python
99 wiersze
2.4 KiB
Python
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"""
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proverbs.py
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===========
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.. figure:: ../_static/proverbs.jpg
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:align: center
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Test for TrueType write_font_converter.
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Displays what I hope are chinese proverbs in simplified chinese to test UTF-8 font support.
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The fonts were converted from True Type fonts using the
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:ref:`write_font_converter.py<write_font_converter>` utility.
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.. literalinclude:: ../../../examples/proverbs/make_proverbs_fonts.sh
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.. note:: This example requires the following modules:
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.. hlist::
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:columns: 3
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- `st7789py`
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- `tft_config`
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- `proverbs_20`
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- `proverbs_30`
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"""
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import utime
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import st7789py as st7789
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import tft_config
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import proverbs_20 as font20
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import proverbs_30 as font30
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tft = tft_config.config(tft_config.WIDE)
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def color_wheel(WheelPos):
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"""returns a 565 color from the given position of the color wheel"""
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WheelPos = (255 - WheelPos) % 255
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if WheelPos < 85:
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return st7789.color565(255 - WheelPos * 3, 0, WheelPos * 3)
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if WheelPos < 170:
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WheelPos -= 85
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return st7789.color565(0, WheelPos * 3, 255 - WheelPos * 3)
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WheelPos -= 170
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return st7789.color565(WheelPos * 3, 255 - WheelPos * 3, 0)
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def main():
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proverbs = [
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"万事起头难",
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"熟能生巧",
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"冰冻三尺，非一日之寒",
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"三个臭皮匠，胜过诸葛亮",
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"今日事，今日毕",
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"师父领进门，修行在个人",
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"一口吃不成胖子",
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"欲速则不达",
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"百闻不如一见",
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"不入虎穴，焉得虎子",
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]
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font = font20 if tft.width < 239 else font30
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line_height = font.HEIGHT + 8
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half_height = tft.height // 2
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half_width = tft.width // 2
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wheel = 0
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while True:
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for proverb in proverbs:
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proverb_lines = proverb.split("，")
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half_lines_height = len(proverb_lines) * line_height // 2
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tft.fill(st7789.BLACK)
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for count, proverb_line in enumerate(proverb_lines):
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half_length = tft.write_width(font, proverb_line) // 2
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tft.write(
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font,
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proverb_line,
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half_width - half_length,
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half_height - half_lines_height + count * line_height,
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color_wheel(wheel),
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)
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wheel = (wheel + 5) % 256
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# pause to slow down scrolling
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utime.sleep(5)
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main()
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