Commit ba8980c

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When glyph is not found in cmr10, substitute from cmsy10.

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+11

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+11

-3

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Lines changed: 11 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -475,6 +475,14 @@ class UnicodeFonts(TruetypeFonts):`
`475`	`475`	`symbol can not be found in the font.`
`476`	`476`	`"""`
`477`	`477`
	`478`	+ # Some glyphs are not present in the `cmr10` font, and must be brought in
	`479`	+ # from `cmsy10`. Map the Unicode indices of those glyphs to the indices at
	`480`	+ # which they are found in `cmsy10`.
	`481`	`+ _cmr10_substitutions = {`
	`482`	`+ 0x00D7: 0x00A3, # Multiplication sign.`
	`483`	`+ 0x2212: 0x00A1, # Minus sign.`
	`484`	`+ }`
	`485`	`+`
`478`	`486`	`def __init__(self, args, *kwargs):`
`479`	`487`	`# This must come first so the backend's owner is set correctly`
`480`	`488`	`fallback_rc = mpl.rcParams['mathtext.fallback']`
`@@ -541,11 +549,11 @@ def _get_glyph(self, fontname, font_class, sym):`
`541`	`549`	`found_symbol = False`
`542`	`550`	`font = self._get_font(new_fontname)`
`543`	`551`	`if font is not None:`
`544`		`- if font.family_name=="cmr10"anduniindex ==0x2212:`
`545`		`- # minus sign exists in cmsy10 (not cmr10)`
	`552`	`+ if (uniindex inself._cmr10_substitutions`
	`553`	`+ andfont.family_name=="cmr10"):`
`546`	`554`	`font = get_font(`
`547`	`555`	`cbook._get_data_path("fonts/ttf/cmsy10.ttf"))`
`548`		`- uniindex = 0xa1`
	`556`	`+ uniindex = self._cmr10_substitutions[uniindex]`
`549`	`557`	`glyphindex = font.get_char_index(uniindex)`
`550`	`558`	`if glyphindex != 0:`
`551`	`559`	`found_symbol = True`

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