Revision: 4160
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4160&view=rev
Author: mdboom
Date: 2007-11-08 06:31:15 -0800 (Thu, 08 Nov 2007)
Log Message:
-----------
Throw in dummy characters for symbols not in the Bakoma fonts.
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/mathtext.py
Modified: trunk/matplotlib/lib/matplotlib/mathtext.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/mathtext.py 2007-11-08 14:06:25 UTC (rev
4159)
+++ trunk/matplotlib/lib/matplotlib/mathtext.py 2007-11-08 14:31:15 UTC (rev
4160)
@@ -672,6 +672,7 @@
_slanted_symbols = Set(r"\int \oint".split())
def _get_glyph(self, fontname, sym, fontsize):
+ symbol_name = None
if fontname in self.fontmap and latex_to_bakoma.has_key(sym):
basename, num = latex_to_bakoma[sym]
slanted = (basename == "cmmi10") or sym in self._slanted_symbols
@@ -682,11 +683,21 @@
slanted = (fontname == "it")
cached_font = self._get_font(fontname)
num = ord(sym)
- symbol_name = cached_font.font.get_glyph_name(
- cached_font.charmap[num])
- else:
- raise ValueError('unrecognized symbol "%s"' % sym)
+ gid = cached_font.charmap.get(num)
+ if gid is not None:
+ symbol_name = cached_font.font.get_glyph_name(
+ cached_font.charmap[num])
+ if symbol_name is None:
+ warn("Unrecognized symbol '%s'. Substituting with a dummy symbol."
+ % sym.encode('ascii', 'backslashreplace'), MathTextWarning)
+ fontname = 'it'
+ cached_font = self._get_font(fontname)
+ num = 0x3F # currency character, for lack of anything better
+ gid = cached_font.charmap[num]
+ symbol_name = cached_font.font.get_glyph_name(gid)
+ slanted = False
+
return cached_font, num, symbol_name, fontsize, slanted
# The Bakoma fonts contain many pre-sized alternatives for the
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