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Fix #1886. Handle invalid non-numeric font-size values.

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Marshall T. Vandegrift 2009-02-24 23:43:54 -05:00
parent 42a4ed14ca
commit f1ba77d172
1 changed files with 4 additions and 0 deletions
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4
src/calibre/ebooks/oeb/transforms/flatcss.py
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@ -37,6 +37,8 @@ def __init__(self, sbase, dbase, dkey):
@staticmethod
def relate(size, base):
if size == 0:
return base
size = float(size)
base = float(base)
if abs(size - base) < 0.1: return 0
@ -48,6 +50,7 @@ def relate(size, base):
return result
def __getitem__(self, ssize):
ssize = asfloat(ssize, 0)
if ssize in self.cache:
return self.cache[ssize]
dsize = self.map(ssize)
@ -66,6 +69,7 @@ def __init__(self, sbase, dbase):
self.dscale = float(dbase) / float(sbase)
def __getitem__(self, ssize):
ssize = asfloat(ssize, 0)
dsize = ssize * self.dscale
return dsize