90 lines
3.2 KiB
Python
90 lines
3.2 KiB
Python
#!/bin/env python
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#Copyright ReportLab Europe Ltd. 2000-2004
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#see license.txt for license details
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#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/lib/fonts.py
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__version__=''' $Id: fonts.py 2385 2004-06-17 15:26:05Z rgbecker $ '''
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import string, sys, os
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###############################################################################
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# A place to put useful font stuff
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###############################################################################
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#
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# Font Mappings
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# The brute force approach to finding the correct postscript font name;
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# much safer than the rule-based ones we tried.
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# preprocessor to reduce font face names to the shortest list
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# possible. Add any aliases you wish; it keeps looking up
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# until it finds no more translations to do. Any input
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# will be lowercased before checking.
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_family_alias = {
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'serif':'times',
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'sansserif':'helvetica',
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'monospaced':'courier',
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'arial':'helvetica'
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}
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#maps a piddle font to a postscript one.
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_tt2ps_map = {
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#face, bold, italic -> ps name
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('times', 0, 0) :'Times-Roman',
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('times', 1, 0) :'Times-Bold',
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('times', 0, 1) :'Times-Italic',
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('times', 1, 1) :'Times-BoldItalic',
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('courier', 0, 0) :'Courier',
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('courier', 1, 0) :'Courier-Bold',
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('courier', 0, 1) :'Courier-Oblique',
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('courier', 1, 1) :'Courier-BoldOblique',
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('helvetica', 0, 0) :'Helvetica',
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('helvetica', 1, 0) :'Helvetica-Bold',
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('helvetica', 0, 1) :'Helvetica-Oblique',
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('helvetica', 1, 1) :'Helvetica-BoldOblique',
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# there is only one Symbol font
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('symbol', 0, 0) :'Symbol',
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('symbol', 1, 0) :'Symbol',
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('symbol', 0, 1) :'Symbol',
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('symbol', 1, 1) :'Symbol',
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# ditto for dingbats
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('zapfdingbats', 0, 0) :'ZapfDingbats',
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('zapfdingbats', 1, 0) :'ZapfDingbats',
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('zapfdingbats', 0, 1) :'ZapfDingbats',
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('zapfdingbats', 1, 1) :'ZapfDingbats',
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}
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_ps2tt_map={}
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for k,v in _tt2ps_map.items():
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if not _ps2tt_map.has_key(k):
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_ps2tt_map[string.lower(v)] = k
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def ps2tt(psfn):
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'ps fontname to family name, bold, italic'
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psfn = string.lower(psfn)
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if _ps2tt_map.has_key(psfn):
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return _ps2tt_map[psfn]
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raise ValueError, "Can't map determine family/bold/italic for %s" % psfn
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def tt2ps(fn,b,i):
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'family name + bold & italic to ps font name'
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K = (string.lower(fn),b,i)
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if _tt2ps_map.has_key(K):
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return _tt2ps_map[K]
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else:
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fn, b1, i1 = ps2tt(K[0])
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K = fn, b1|b, i1|i
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if _tt2ps_map.has_key(K):
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return _tt2ps_map[K]
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raise ValueError, "Can't find concrete font for family=%s, bold=%d, italic=%d" % (fn, b, i)
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def addMapping(face, bold, italic, psname):
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'allow a custom font to be put in the mapping'
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k = (string.lower(face), bold, italic)
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_tt2ps_map[k] = psname
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# rebuild inverse - inefficient
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for k,v in _tt2ps_map.items():
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if not _ps2tt_map.has_key(k):
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_ps2tt_map[string.lower(v)] = k
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