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font_table_ttf.py

#!/usr/bin/env python
"""
matplotlib has support for freetype fonts.  Here's a little example
using the 'table' command to build a font table that shows the glyphs
by character code.

Usage python font_table_ttf.py somefile.ttf
"""
import sys, os
from matplotlib.ft2font import FT2Font
from pylab import figure, table, show, axis, title
from matplotlib.font_manager import FontProperties

# the font table grid

labelc = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
          'A', 'B', 'C', 'D', 'E', 'F']
labelr = ['00', '10', '20', '30', '40', '50', '60', '70', '80', '90',
          'A0', 'B0', 'C0', 'D0', 'E0', 'F0']

fontname = sys.argv[1]
font = FT2Font(fontname)
codes = font.get_charmap().items()
codes.sort()

# a 16,16 array of character strings
chars = [ ['' for c in range(16)] for r in range(16)]
colors = [ [(0.95,0.95,0.95) for c in range(16)] for r in range(16)]

figure(figsize=(8,4),dpi=120)
for ccode, glyphind in codes:
    if ccode>=256: continue
    r,c = divmod(ccode,16)
    s = chr(ccode)
    chars[r][c] = s



lightgrn = (0.5,0.8,0.5)
title(fontname)
tab = table(cellText=chars,
            rowLabels=labelr,
            colLabels=labelc,
            rowColours=[lightgrn]*16,
            colColours=[lightgrn]*16,
            cellColours=colors,
            cellLoc='center',
            loc='upper left')

for key, cell in tab.get_celld().items():
    row, col = key
    if row>0 and col>0:
        cell.set_text_props(fontproperties=FontProperties(fname=sys.argv[1]))
axis('off')
show()

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