fontio – 核心字体相关数据结构

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class fontio.BuiltinFont

内置于 CircuitPython 的字体

不支持创建。可用字体是在构建 CircuitPython 时定义的。有关 动态加载的字体,请参阅 Adafruit_CircuitPython_Bitmap_Font 库。

bitmap :displayio.Bitmap

包含所有以 ASCII 开头并后跟 unicode 的字体字形的位图。 get_glyph大多数情况下使用 。这对于与 displayio.TileGrid和 一起使用很有用 terminalio.Terminal

get_bounding_box(self)Tuple[int, int]

以两个值的元组形式返回字体中所有字形的最大边界:宽度、高度。

get_glyph(self, codepoint: int)Glyph

fontio.Glyph 如果没有可用的字形,则返回给定代码点的 a 或 None 。

class fontio.Glyph(bitmap: displayio.Bitmap, tile_index: int, width: int, height: int, dx: int, dy: int, shift_x: int, shift_y: int)

字形信息的存储

用于捕获单个字形及其属性的命名元组。

参数
  • bitmap – 包含字形的位图

  • tile_index – 位图中的图块索引

  • width – 字形位图的宽度

  • height – 字形位图的高度

  • dx – x 对位图位置的调整

  • dy – y 对位图位置的调整

  • shift_x – 与下一个字形的 x 差异

  • shift_y – 与下一个字形的 y 差异