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:
(6, 0, 519, 576)
36 57 65 86
AV 0
AV 0
AV 0
AV 0
import matplotlib
from matplotlib.ft2font import FT2Font, KERNING_DEFAULT, KERNING_UNFITTED, KERNING_UNSCALED
fname = matplotlib.get_data_path() + '/fonts/ttf/DejaVuSans.ttf'
font = FT2Font(fname)
font.set_charmap(0)
codes = font.get_charmap().items()
#dsu = [(ccode, glyphind) for ccode, glyphind in codes]
#dsu.sort()
#for ccode, glyphind in dsu:
# try: name = font.get_glyph_name(glyphind)
# except RuntimeError: pass
# else: print('% 4d % 4d %s %s' % (glyphind, ccode, hex(int(ccode)), name))
# make a charname to charcode and glyphind dictionary
coded = {}
glyphd = {}
for ccode, glyphind in codes:
name = font.get_glyph_name(glyphind)
coded[name] = ccode
glyphd[name] = glyphind
code = coded['A']
glyph = font.load_char(code)
print(glyph.bbox)
print(glyphd['A'], glyphd['V'], coded['A'], coded['V'])
print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_DEFAULT))
print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_UNFITTED))
print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_UNSCALED))
print('AV', font.get_kerning(glyphd['A'], glyphd['T'], KERNING_UNSCALED))