tkinter.font — Tkinter font wrapper - Python 3.12.0a3 documentation 编辑
Source code: Lib/tkinter/font.py
The tkinter.font
module provides the Font
class for creating and using named fonts.
The different font weights and slants are:
- tkinter.font.NORMAL
- tkinter.font.BOLD
- tkinter.font.ITALIC
- tkinter.font.ROMAN
- class tkinter.font.Font(root=None, font=None, name=None, exists=False, **options)
The
Font
class represents a named font. Font instances are given unique names and can be specified by their family, size, and style configuration. Named fonts are Tk’s method of creating and identifying fonts as a single object, rather than specifying a font by its attributes with each occurrence.arguments:
font - font specifier tuple (family, size, options) name - unique font name exists - self points to existing named font if true
additional keyword options (ignored if font is specified):
family - font family i.e. Courier, Times size - font size If size is positive it is interpreted as size in points. If size is a negative number its absolute value is treated as size in pixels. weight - font emphasis (NORMAL, BOLD) slant - ROMAN, ITALIC underline - font underlining (0 - none, 1 - underline) overstrike - font strikeout (0 - none, 1 - strikeout)
- actual(option=None, displayof=None)
Return the attributes of the font.
- cget(option)
Retrieve an attribute of the font.
- config(**options)
Modify attributes of the font.
- copy()
Return new instance of the current font.
- measure(text, displayof=None)
Return amount of space the text would occupy on the specified display when formatted in the current font. If no display is specified then the main application window is assumed.
- metrics(*options, **kw)
Return font-specific data. Options include:
- ascent - distance between baseline and highest point that a
character of the font can occupy
- descent - distance between baseline and lowest point that a
character of the font can occupy
- linespace - minimum vertical separation necessary between any two
characters of the font that ensures no vertical overlap between lines.
fixed - 1 if font is fixed-width else 0
- tkinter.font.families(root=None, displayof=None)
Return the different font families.
- tkinter.font.names(root=None)
Return the names of defined fonts.
- tkinter.font.nametofont(name, root=None)
Return a
Font
representation of a tk named font.Changed in version 3.10: The root parameter was added.
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