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103 lines
4.3 KiB
Markdown
103 lines
4.3 KiB
Markdown
# Ftface属性
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这是一个演示脚本，向您展示如何使用FT2Font对象的所有属性。这些描述了全局字体属性。对于单个字符度量标准，请使用load_char返回的Glyph对象
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输出：
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```python
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Num faces : 1
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Num glyphs : 5343
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Family name : DejaVu Sans
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Style name : Oblique
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PS name : DejaVuSans-Oblique
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Num fixed : 0
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Bbox : (-2080, -717, 3398, 2187)
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EM : 2048
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Ascender : 1901
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Descender : -483
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Height : 2384
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Max adv width : 3461
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Max adv height : 2384
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Underline pos : -175
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Underline thickness : 90
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Italic : True
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Bold : False
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Scalable : True
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Fixed sizes : False
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Fixed width : False
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SFNT : False
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Horizontal : False
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Vertical : False
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Kerning : False
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Fast glyphs : False
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Multiple masters : False
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Glyph names : False
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External stream : False
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['__class__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'ascender', 'bbox', 'clear', 'descender', 'draw_glyph_to_bitmap', 'draw_glyphs_to_bitmap', 'face_flags', 'family_name', 'fname', 'get_bitmap_offset', 'get_char_index', 'get_charmap', 'get_descent', 'get_glyph_name', 'get_image', 'get_kerning', 'get_name_index', 'get_num_glyphs', 'get_path', 'get_ps_font_info', 'get_sfnt', 'get_sfnt_table', 'get_width_height', 'get_xys', 'height', 'load_char', 'load_glyph', 'max_advance_height', 'max_advance_width', 'num_charmaps', 'num_faces', 'num_fixed_sizes', 'num_glyphs', 'postscript_name', 'scalable', 'select_charmap', 'set_charmap', 'set_size', 'set_text', 'style_flags', 'style_name', 'underline_position', 'underline_thickness', 'units_per_EM']
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<built-in method get_kerning of matplotlib.ft2font.FT2Font object at 0x7f6451677ed0>
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```
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```python
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import matplotlib
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import matplotlib.ft2font as ft
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#fname = '/usr/local/share/matplotlib/VeraIt.ttf'
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fname = matplotlib.get_data_path() + '/fonts/ttf/DejaVuSans-Oblique.ttf'
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#fname = '/usr/local/share/matplotlib/cmr10.ttf'
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font = ft.FT2Font(fname)
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print('Num faces :', font.num_faces) # number of faces in file
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print('Num glyphs :', font.num_glyphs) # number of glyphs in the face
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print('Family name :', font.family_name) # face family name
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print('Style name :', font.style_name) # face style name
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print('PS name :', font.postscript_name) # the postscript name
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print('Num fixed :', font.num_fixed_sizes) # number of embedded bitmap in face
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# the following are only available if face.scalable
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if font.scalable:
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# the face global bounding box (xmin, ymin, xmax, ymax)
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print('Bbox :', font.bbox)
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# number of font units covered by the EM
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print('EM :', font.units_per_EM)
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# the ascender in 26.6 units
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print('Ascender :', font.ascender)
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# the descender in 26.6 units
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print('Descender :', font.descender)
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# the height in 26.6 units
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print('Height :', font.height)
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# maximum horizontal cursor advance
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print('Max adv width :', font.max_advance_width)
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# same for vertical layout
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print('Max adv height :', font.max_advance_height)
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# vertical position of the underline bar
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print('Underline pos :', font.underline_position)
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# vertical thickness of the underline
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print('Underline thickness :', font.underline_thickness)
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for style in ('Italic',
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'Bold',
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'Scalable',
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'Fixed sizes',
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'Fixed width',
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'SFNT',
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'Horizontal',
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'Vertical',
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'Kerning',
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'Fast glyphs',
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'Multiple masters',
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'Glyph names',
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'External stream'):
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bitpos = getattr(ft, style.replace(' ', '_').upper()) - 1
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print('%-17s:' % style, bool(font.style_flags & (1 << bitpos)))
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print(dir(font))
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print(font.get_kerning)
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```
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## 下载这个示例
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- [下载python源码: ftface_props.py](https://matplotlib.org/_downloads/ftface_props.py)
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- [下载Jupyter notebook: ftface_props.ipynb](https://matplotlib.org/_downloads/ftface_props.ipynb) |