matplotlib & pandas

Python/matplotlab/gallery/misc/ftface_props.md

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+# Ftface属性
+
+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
+
+输出：
+
+```python
+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
+['__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']
+<built-in method get_kerning of matplotlib.ft2font.FT2Font object at 0x7f6451677ed0>
+```
+
+```python
+import matplotlib
+import matplotlib.ft2font as ft
+
+
+#fname = '/usr/local/share/matplotlib/VeraIt.ttf'
+fname = matplotlib.get_data_path() + '/fonts/ttf/DejaVuSans-Oblique.ttf'
+#fname = '/usr/local/share/matplotlib/cmr10.ttf'
+
+font = ft.FT2Font(fname)
+
+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)))
+
+print(dir(font))
+
+print(font.get_kerning)
+```
+
+## 下载这个示例
+            
+- [下载python源码: ftface_props.py](https://matplotlib.org/_downloads/ftface_props.py)
+- [下载Jupyter notebook: ftface_props.ipynb](https://matplotlib.org/_downloads/ftface_props.ipynb)