Tkinter入门
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# Methods

`copy() => font object`

  Return a distinct copy of the current font.

`actual() => dictionary`, `actual(option) => value`

  Return actual font attributes. If no option is given, returns all actual font attribtues as a dictionary.

`cget(option) => string`

  Get configured font attribute.

`config() => dictionary`, `configure() => dictionary`

  Get full set of configured font attributes as a dictionary.

`config(options)`, `configure(options...)`

  Modify one or more font attributes.

`measure(text) => integer`

  Return text width.

`metrics() => dictionary`, `metrics(options...) => value`

  Return one or more font metrics. If no arguments are given, all metrics are returned as a dictionary.

  For best performance, make sure that this font is in use before calling this method. If necessary, you can create a dummy widget using the font.

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