Font propertiesΒΆ

This example lists the attributes of an FT2Font object, which describe global font properties. For individual character metrics, use the Glyph object, as returned by load_char.

Out:

Num faces   : 1
Num glyphs  : 5343
Family name : DejaVu Sans
Style name  : Oblique
PS name     : DejaVuSans-Oblique
Num fixed   : 0
Bbox                : (-2080, -717, 3398, 2187)
EM                  : 2048
Ascender            : 1901
Descender           : -483
Height              : 2384
Max adv width       : 3461
Max adv height      : 2384
Underline pos       : -175
Underline thickness : 90
Italic           : True
Bold             : False
Scalable         : True
Fixed sizes      : False
Fixed width      : False
SFNT             : False
Horizontal       : False
Vertical         : False
Kerning          : False
Fast glyphs      : False
Multiple masters : False
Glyph names      : False
External stream  : False

import os

import matplotlib
import matplotlib.ft2font as ft


font = ft.FT2Font(
    # Use a font shipped with Matplotlib.
    os.path.join(matplotlib.get_data_path(),
                 'fonts/ttf/DejaVuSans-Oblique.ttf'))

print('Num faces   :', font.num_faces)        # number of faces in file
print('Num glyphs  :', font.num_glyphs)       # number of glyphs in the face
print('Family name :', font.family_name)      # face family name
print('Style name  :', font.style_name)       # face style name
print('PS name     :', font.postscript_name)  # the postscript name
print('Num fixed   :', font.num_fixed_sizes)  # number of embedded bitmap in face

# the following are only available if face.scalable
if font.scalable:
    # the face global bounding box (xmin, ymin, xmax, ymax)
    print('Bbox                :', font.bbox)
    # number of font units covered by the EM
    print('EM                  :', font.units_per_EM)
    # the ascender in 26.6 units
    print('Ascender            :', font.ascender)
    # the descender in 26.6 units
    print('Descender           :', font.descender)
    # the height in 26.6 units
    print('Height              :', font.height)
    # maximum horizontal cursor advance
    print('Max adv width       :', font.max_advance_width)
    # same for vertical layout
    print('Max adv height      :', font.max_advance_height)
    # vertical position of the underline bar
    print('Underline pos       :', font.underline_position)
    # vertical thickness of the underline
    print('Underline thickness :', font.underline_thickness)

for style in ('Italic',
              'Bold',
              'Scalable',
              'Fixed sizes',
              'Fixed width',
              'SFNT',
              'Horizontal',
              'Vertical',
              'Kerning',
              'Fast glyphs',
              'Multiple masters',
              'Glyph names',
              'External stream'):
    bitpos = getattr(ft, style.replace(' ', '_').upper()) - 1
    print('%-17s:' % style, bool(font.style_flags & (1 << bitpos)))

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