字体索引

一个小示例，它展示了对字体表的各种索引是如何相互关联的。主要是为MPL开发商.。

输出：

  1. (6, 0, 519, 576)
  2. 36 57 65 86
  3. AV 0
  4. AV 0
  5. AV 0
  6. AV 0
  1. import matplotlib
  2. from matplotlib.ft2font import FT2Font, KERNING_DEFAULT, KERNING_UNFITTED, KERNING_UNSCALED
  5. fname = matplotlib.get_data_path() + '/fonts/ttf/DejaVuSans.ttf'
  6. font = FT2Font(fname)
  7. font.set_charmap(0)
  9. codes = font.get_charmap().items()
  10. #dsu = [(ccode, glyphind) for ccode, glyphind in codes]
  11. #dsu.sort()
  12. #for ccode, glyphind in dsu:
  13. #    try: name = font.get_glyph_name(glyphind)
  14. #    except RuntimeError: pass
  15. #    else: print('% 4d % 4d %s %s' % (glyphind, ccode, hex(int(ccode)), name))
  18. # make a charname to charcode and glyphind dictionary
  19. coded = {}
  20. glyphd = {}
  21. for ccode, glyphind in codes:
  22.     name = font.get_glyph_name(glyphind)
  23.     coded[name] = ccode
  24.     glyphd[name] = glyphind
  26. code = coded['A']
  27. glyph = font.load_char(code)
  28. print(glyph.bbox)
  29. print(glyphd['A'], glyphd['V'], coded['A'], coded['V'])
  30. print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_DEFAULT))
  31. print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_UNFITTED))
  32. print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_UNSCALED))
  33. print('AV', font.get_kerning(glyphd['A'], glyphd['T'], KERNING_UNSCALED))

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