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Conversion: When subsetting fonts, handle multiple @font-face rules referring to the same physical font

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Kovid Goyal 2013-01-11 12:39:20 +05:30
parent ae00ff119a
commit 0b40e8a864
1 changed files with 8 additions and 0 deletions
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8
src/calibre/ebooks/oeb/transforms/subset.py
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@ -36,7 +36,15 @@ class SubsetFonts(object):
self.oeb.manifest.remove(font['item'])
font['rule'].parentStyleSheet.deleteRule(font['rule'])
fonts = {}
for font in self.embedded_fonts:
item, chars = font['item'], font['chars']
if item.href in fonts:
fonts[item.href]['chars'] |= chars
else:
fonts[item.href] = font
for font in fonts.itervalues():
if not font['chars']:
self.log('The font %s is unused. Removing it.'%font['src'])
remove(font)