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Basic CSS vertical-align support

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This commit is contained in:
Kovid Goyal 2008-01-09 04:02:30 +00:00
parent 69707652d7
commit f1a6c8c706
1 changed files with 23 additions and 14 deletions
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37
src/libprs500/ebooks/lrf/html/convert_from.py
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@ -183,7 +183,9 @@ class HTMLConverter(object):
'th' : {'font-size' : 'large', 'font-weight':'bold'},
'big' : {'font-size' : 'large', 'font-weight':'bold'},
'.libprs500_dropcaps' : {'font-size': 'xx-large'},
'u' : {'text-decoration': 'underline'},
'u' : {'text-decoration': 'underline'},
'sup' : {'vertical-align': 'super', 'font-size': '60%'},
'sub' : {'vertical-align': 'sub', 'font-size': '60%'},
}
def __init__(self, book, fonts, options, logger, paths):
@ -409,15 +411,18 @@ class HTMLConverter(object):
Return a dictionary of style properties applicable to Tag tag.
"""
def merge_parent_css(prop, pcss):
# float should not be inherited according to the CSS spec
# however we need to as we don't do alignment at a block level.
# float is removed by the process_alignment function.
inherited = ['text-align', 'float', 'white-space', 'color',
'line-height', 'vertical-align']
temp = {}
for key in pcss.keys():
chk = key.lower()
# float should not be inherited according to the CSS spec
# 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' or \
chk == 'line-height':
if chk.startswith('font') or chk in inherited:
temp[key] = pcss[key]
prop.update(temp)
@ -752,22 +757,31 @@ class HTMLConverter(object):
def append_text(src):
fp, key, variant = self.font_properties(css)
src = src.replace(u'\uffff', ' ') #   becomes u'\uffff'
valigner = lambda x: x
if 'vertical-align' in css:
valign = css['vertical-align']
if valign in ('sup', 'super', 'sub'):
fp['fontsize'] = int(int(fp['fontsize']) * 5 / 3.0)
valigner = Sub if valign == 'sub' else Sup
normal_font_size = int(fp['fontsize'])
if variant == 'small-caps':
dump = Span(fontsize=normal_font_size-30)
temp = []
for c in src:
if c.isupper():
if temp:
dump.append(''.join(temp))
dump.append(valigner(''.join(temp)))
temp = []
dump.append(Span(c, fontsize=normal_font_size))
dump.append(Span(valigner(c), fontsize=normal_font_size))
else:
temp.append(c.upper())
src = dump
if temp:
src.append(''.join(temp))
src.append(valigner(''.join(temp)))
else:
src = valigner(src)
if key in ['italic', 'bi']:
already_italic = False
@ -1476,11 +1490,6 @@ class HTMLConverter(object):
self.current_para = Paragraph()
self.current_block = self.book.create_text_block(textStyle=pb.textStyle,
blockStyle=pb.blockStyle)
elif tagname in ['sub', 'sup']:
text = self.get_text(tag)
elem = Sub if tagname == 'sub' else Sup
self.current_para.append(elem(text))
elif tagname in ['p', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6']:
new_block = self.process_block(tag, tag_css)
@ -1526,7 +1535,7 @@ class HTMLConverter(object):
self.current_para = Paragraph()
if tagname.startswith('h') or self.blank_after_para:
self.current_block.append(CR())
elif tagname in ['b', 'strong', 'i', 'em', 'span', 'tt', 'big', 'code', 'cite']:
elif tagname in ['b', 'strong', 'i', 'em', 'span', 'tt', 'big', 'code', 'cite', 'sup', 'sub']:
self.process_children(tag, tag_css, tag_pseudo_css)
elif tagname == 'font':
if tag.has_key('face'):