8000 added some more font examples · matplotlib/matplotlib@3dc9527 · GitHub
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added some more font examples
svn path=/trunk/matplotlib/; revision=1110
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‎examples/font_indexing.py

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"""
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A little example that shows how the various indexing into the font
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tables relate to one another. Mainly for mpl developers....
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"""
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import matplotlib
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from matplotlib.ft2font import FT2Font
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fname = matplotlib.get_data_path() + '/cmr10.ttf'
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font = FT2Font(fname)
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codes = font.get_charmap().items()
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dsu = [(ccode, glyphind) for glyphind, ccode in codes]
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dsu.sort()
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for ccode, glyphind in dsu:
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try: name = font.get_glyph_name(glyphind)
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except RuntimeError: pass
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else: print '% 4d % 4d %s %s'%(glyphind, ccode, hex(int(ccode)), name)
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# make a charname to charcode and glyphind dictionary
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coded = {}
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glyphd = {}
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for glyphind, ccode in codes:
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name = font.get_glyph_name(glyphind)
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coded[name] = ccode
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glyphd[name] = glyphind
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code = coded['A']
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glyph = font.load_char(code)
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print glyph.bbox
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print 'AV', font.get_kerning(glyphd['A'], glyphd['V'])/64.0
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print 'AA', font.get_kerning(glyphd['A'], glyphd['A'])/64.0

‎examples/font_table_ttf.py

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#!/usr/bin/env python
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"""
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matplotlib has support for freetype fonts. Here's a little example
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using the 'table' command to build a font table that shows the glyphs
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by character code.
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Usage python font_table_ttf.py somefile.ttf
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"""
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import sys, os
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from matplotlib.ft2font import FT2Font
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from pylab import figure, table, show, axis, title
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from matplotlib.font_manager import FontProperties
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# the font table grid
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labelc = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
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'A', 'B', 'C', 'D', 'E', 'F']
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labelr = ['00', '10', '20', '30', '40', '50', '60', '70', '80', '90',
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'A0', 'B0', 'C0', 'D0', 'E0', 'F0']
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fontname = sys.argv[1]
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font = FT2Font(fontname)
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codes = font.get_charmap().items()
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codes.sort()
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# a 16,16 array of character strings
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chars = [ ['' for c in range(16)] for r in range(16)]
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colors = [ [0.95 for c in range(16)] for r in range(16)]
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figure(figsize=(8,4),dpi=120)
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for glyphind, ccode in codes:
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if ccode>=256: continue
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r,c = divmod(ccode,16)
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s = chr(ccode)
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chars[r][c] = s
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lightgrn = (0.5,0.8,0.5)
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title(fontname)
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tab = table(cellText=chars,
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rowLabels=labelr,
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colLabels=labelc,
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rowColours=[lightgrn]*16,
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colColours=[lightgrn]*16,
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cellColours=colors,
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cellLoc='center',
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loc='upper left')
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for key, cell in tab.get_celld().items():
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row, col = key
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if row>0 and col>0:
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cell.set_text_props(fontproperties=FontProperties(fname=sys.argv[1]))
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axis('off')
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show()

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