chinese proverbs in chinese example

examples/T-DISPLAY/proverbs/makefont

+#!/bin/sh
+
+../../../utils/font2bitmap.py \
+	-s "万事起头难。熟能生巧。冰冻三尺，非一日之寒。三个臭皮匠，胜过诸葛亮。今日事，今日毕。师父领进门，修行在个人。一口吃不成胖子。欲速则不达。百闻不如一见。不入虎穴，焉得虎子。" \
+	NotoSansSC-Regular.otf 30 >proverbs_font.py

examples/T-DISPLAY/proverbs/proverbs.py

+import random
+import math
+import utime
+from machine import Pin, SPI
+
+import proverbs_font as font
+import st7789
+
+def color_wheel(WheelPos):
+    """returns a 565 color from the given position of the color wheel"""
+    WheelPos = (255 - WheelPos) % 255
+
+    if WheelPos < 85:
+        return st7789.color565(255 - WheelPos * 3, 0, WheelPos * 3)
+
+    if WheelPos < 170:
+        WheelPos -= 85
+        return st7789.color565(0, WheelPos * 3, 255 - WheelPos * 3)
+
+    WheelPos -= 170
+    return st7789.color565(WheelPos * 3, 255 - WheelPos * 3, 0)
+
+def main():
+
+    proverbs = [
+        "万事起头难",
+        "熟能生巧",
+        "冰冻三尺，非一日之寒",
+        "三个臭皮匠，胜过诸葛亮",
+        "今日事，今日毕",
+        "师父领进门，修行在个人",
+        "一口吃不成胖子",
+        "欲速则不达",
+        "百闻不如一见",
+        "不入虎穴，焉得虎子"]
+
+    # initialize display
+    tft = st7789.ST7789(
+        SPI(1, baudrate=30000000, sck=Pin(18), mosi=Pin(19)),
+        135,
+        240,
+        reset=Pin(23, Pin.OUT),
+        cs=Pin(5, Pin.OUT),
+        dc=Pin(16, Pin.OUT),
+        backlight=Pin(4, Pin.OUT),
+        rotation=1)
+
+    tft.init()
+    line_height = font.HEIGHT+8
+    half_height = tft.height() // 2
+    half_width = tft.width() // 2
+    wheel = 0
+
+    tft.fill(st7789.BLACK)
+
+    while True:
+        for proverb in proverbs:
+            proverb_lines = proverb.split('，')
+            half_lines_height = len(proverb_lines) * line_height // 2
+
+            tft.fill(st7789.BLACK)
+
+            for count, proverb_line in enumerate(proverb_lines):
+                half_length = tft.write_len(font, proverb_line) // 2
+
+                tft.write(
+                    font,
+                    proverb_line,
+                    half_width - half_length,
+                    half_height - half_lines_height + count * line_height,
+                    color_wheel(wheel))
+
+            wheel += 5
+            wheel %= 256
+
+            # pause to slow down scrolling
+            utime.sleep(5)
+
+
+main()