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Fix #572

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This commit is contained in:
Kovid Goyal 2008-03-12 23:55:25 +00:00
parent 3bf15427c3
commit 0c949a265c
1 changed files with 33 additions and 19 deletions
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50
src/libprs500/ebooks/lrf/html/convert_from.py
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@ -1126,20 +1126,32 @@ class HTMLConverter(object):
return key
def font_size(val):
normal = 100 #10*pts
ans = self.unit_convert(val, pts=True)
normal = int(self.current_block.textStyle.attrs['fontsize'])
normpts = str(normal/10) + 'pt'
ans = self.unit_convert(val, pts=True, base_length=normpts)
if ans:
if ans < 0:
if ans <= 0:
ans += normal
if ans == 0: # Common case of using -1em to mean "smaller"
ans = int(font_size("smaller"))
if ans < 0:
ans = normal
else:
if "xx-small" in val:
if ans == 0:
ans = int(font_size("smaller"))
elif "xx-small" in val:
ans = 40
elif "x-small" in val:
ans = 60
elif "small" in val:
ans = 80
if "smaller" in val:
ans = normal - 20
elif "medium" in val:
ans = 100
elif "larger" in val:
ans = normal + 20
elif "xx-large" in val:
ans = 180
elif "x-large" in val:
@ -1209,7 +1221,6 @@ class HTMLConverter(object):
def unit_convert(self, val, pts=False, base_length='10pt'):
'''
Tries to convert html units in C{val} to pixels.
Assumes: 1em = 100% = 10pts
@param pts: If True return 10*pts instead of pixels.
@return: The number of pixels (an int) if successful. Otherwise, returns None.
'''
@ -1226,22 +1237,25 @@ class HTMLConverter(object):
normal = self.unit_convert(base_length)
result = int((unit/100.0)*normal)
elif m.group(2) == 'px':
result = int(unit)
result = unit
elif m.group(2) == 'in':
result = int(unit * dpi)
result = unit * dpi
elif m.group(2) == 'pt':
result = int(unit * dpi/72.)
elif m.group(2)== 'em':
result = int(unit * (dpi/72.) * 10)
elif m.group(2)== 'pc':
result = int(unit * (dpi/72.) * 12)
elif m.group(2)== 'mm':
result = int(unit * 0.04 * (dpi/72.))
elif m.group(2)== 'cm':
result = int(unit * 0.4 * (dpi/72.))
if pts:
result = unit * dpi/72.
elif m.group(2) == 'em':
normal = float(self.current_block.textStyle.attrs['fontsize'])
result = unit * normal * (dpi/720.)
elif m.group(2) == 'pc':
result = unit * (dpi/72.) * 12
elif m.group(2) == 'mm':
result = unit * 0.04 * (dpi/72.)
elif m.group(2) == 'cm':
result = unit * 0.40 * (dpi/72.)
if result is not None:
result = int((float(result)/dpi)*720)
if pts:
result = int(round(result / dpi * 720))
else:
result = int(round(result))
return result
def text_properties(self, tag_css):