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Support line-height

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This commit is contained in:
Kovid Goyal 2007-10-27 21:41:38 +00:00
parent 59de78af3e
commit dd1c2b80a8
1 changed files with 11 additions and 4 deletions
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15
src/libprs500/ebooks/lrf/html/convert_from.py
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@ -409,7 +409,8 @@ class HTMLConverter(object):
# however we need to as we don't do alignment at a block level.
# float is removed by the process_alignment function.
if chk.startswith('font') or chk == 'text-align' or \
chk == 'float' or chk == 'white-space' or chk == 'color':
chk == 'float' or chk == 'white-space' or chk == 'color' or \
chk == 'line-height':
temp[key] = pcss[key]
prop.update(temp)
@ -995,7 +996,7 @@ class HTMLConverter(object):
val = self.unit_convert(t[key])
if val is not None:
ans[key] = val
return ans
def font_properties(self, css):
@ -1130,7 +1131,7 @@ class HTMLConverter(object):
t['baselineskip'] = fs + 20
return t, key, variant
def unit_convert(self, val, pts=False):
def unit_convert(self, val, pts=False, base_length='10pt'):
'''
Tries to convert html units in C{val} to pixels.
Assumes: 1em = 100% = 10pts
@ -1147,7 +1148,7 @@ class HTMLConverter(object):
if m is not None:
unit = float(m.group(1))
if m.group(2) == '%':
normal = self.unit_convert('10pt')
normal = self.unit_convert(base_length)
result = int((unit/100.0)*normal)
elif m.group(2) == 'px':
result = int(unit)
@ -1179,6 +1180,12 @@ class HTMLConverter(object):
fp = self.font_properties(tag_css)[0]
fp['parindent'] = indent
if tag_css.has_key('line-height'):
val = self.unit_convert(tag_css['line-height'], pts=True, base_length='1pt')
if val is not None:
fp['linespace'] = val
return fp