def change_font_in_declaration(style, old_name, new_name=None):
changed = False
ff = style.getProperty('font-family')
if ff is not None:
fams = parse_font_family(ff.propertyValue.cssText)
nfams = filter(None, [new_name if x == old_name else x for x in fams])
if fams != nfams:
if nfams:
ff.propertyValue.cssText = serialize_font_family(nfams)
else:
style.removeProperty(ff.name)
changed = True
ff = style.getProperty('font')
if ff is not None:
props = parse_font(ff.propertyValue.cssText)
fams = props.get('font-family') or []
nfams = filter(None, [new_name if x == old_name else x for x in fams])
if fams != nfams:
props['font-family'] = nfams
if nfams:
ff.propertyValue.cssText = serialize_font(props)
else:
style.removeProperty(ff.name)
changed = True
return changed
def change_font_in_declaration(style, old_name, new_name=None):
changed = False
ff = style.getProperty('font-family')
if ff is not None:
fams = parse_font_family(css_text(ff.propertyValue))
nfams = list(
filter(None, [new_name if x == old_name else x for x in fams]))
if fams != nfams:
if nfams:
ff.propertyValue.cssText = serialize_font_family(nfams)
else:
style.removeProperty(ff.name)
changed = True
ff = style.getProperty('font')
if ff is not None:
props = parse_font(css_text(ff.propertyValue))
fams = props.get('font-family') or []
nfams = list(
filter(None, [new_name if x == old_name else x for x in fams]))
if fams != nfams:
props['font-family'] = nfams
if nfams:
ff.propertyValue.cssText = serialize_font(props)
else:
style.removeProperty(ff.name)
changed = True
return changed
def normalize_style_declaration(decl, sheet_name):
ans = {}
for prop in iterdeclaration(decl):
if prop.name == 'font-family':
# Needed because of https://bitbucket.org/cthedot/cssutils/issues/66/incorrect-handling-of-spaces-in-font
prop.propertyValue.cssText = serialize_font_family(parse_font_family(css_text(prop.propertyValue)))
ans[prop.name] = Values(prop.propertyValue, sheet_name, prop.priority)
return ans
def normalize_style_declaration(decl, sheet_name):
ans = {}
for prop in iterdeclaration(decl):
if prop.name == 'font-family':
# Needed because of https://bitbucket.org/cthedot/cssutils/issues/66/incorrect-handling-of-spaces-in-font
prop.propertyValue.cssText = serialize_font_family(parse_font_family(css_text(prop.propertyValue)))
ans[prop.name] = Values(prop.propertyValue, sheet_name, prop.priority)
return ans
def process_fonts(self):
''' Make sure all fonts are embeddable. Also remove some fonts that cause problems. '''
from calibre.ebooks.oeb.base import urlnormalize
from calibre.utils.fonts.utils import remove_embed_restriction
processed = set()
for item in list(self.oeb.manifest):
if not hasattr(item.data, 'cssRules'):
continue
for i, rule in enumerate(item.data.cssRules):
if rule.type == rule.FONT_FACE_RULE:
try:
s = rule.style
src = s.getProperty('src').propertyValue[0].uri
except:
continue
path = item.abshref(src)
ff = self.oeb.manifest.hrefs.get(urlnormalize(path), None)
if ff is None:
continue
raw = nraw = ff.data
if path not in processed:
processed.add(path)
try:
nraw = remove_embed_restriction(raw)
except:
continue
if nraw != raw:
ff.data = nraw
self.oeb.container.write(path, nraw)
elif iswindows and rule.type == rule.STYLE_RULE:
from tinycss.fonts3 import parse_font_family, serialize_font_family
s = rule.style
f = s.getProperty(u'font-family')
if f is not None:
font_families = parse_font_family(
f.propertyValue.cssText)
ff = [
x for x in font_families if x.lower() != u'courier'
]
if len(ff) != len(font_families):
if 'courier' not in self.filtered_font_warnings:
# See https://bugs.launchpad.net/bugs/1665835
self.filtered_font_warnings.add(u'courier')
self.log.warn(
u'Removing courier font family as it does not render on windows'
)
f.propertyValue.cssText = serialize_font_family(
ff or [u'monospace'])
def normalize_font(cssvalue, font_family_as_list=False):
# See https://developer.mozilla.org/en-US/docs/Web/CSS/font
composition = font_composition
val = cssvalue.cssText
if val == 'inherit':
ans = {k:'inherit' for k in composition}
elif val in {'caption', 'icon', 'menu', 'message-box', 'small-caption', 'status-bar'}:
ans = {k:DEFAULTS[k] for k in composition}
else:
ans = {k:DEFAULTS[k] for k in composition}
ans.update(parse_font(val))
if font_family_as_list:
if isinstance(ans['font-family'], basestring):
ans['font-family'] = [x.strip() for x in ans['font-family'].split(',')]
else:
if not isinstance(ans['font-family'], basestring):
ans['font-family'] = serialize_font_family(ans['font-family'])
return ans
def normalize_font(cssvalue, font_family_as_list=False):
# See https://developer.mozilla.org/en-US/docs/Web/CSS/font
composition = font_composition
val = cssvalue.cssText
if val == 'inherit':
ans = {k:'inherit' for k in composition}
elif val in {'caption', 'icon', 'menu', 'message-box', 'small-caption', 'status-bar'}:
ans = {k:DEFAULTS[k] for k in composition}
else:
ans = {k:DEFAULTS[k] for k in composition}
ans.update(parse_font(val))
if font_family_as_list:
if isinstance(ans['font-family'], string_or_bytes):
ans['font-family'] = [x.strip() for x in ans['font-family'].split(',')]
else:
if not isinstance(ans['font-family'], string_or_bytes):
ans['font-family'] = serialize_font_family(ans['font-family'])
return ans
def process_fonts(self):
''' Make sure all fonts are embeddable. Also remove some fonts that causes problems. '''
from calibre.ebooks.oeb.base import urlnormalize
from calibre.utils.fonts.utils import remove_embed_restriction
processed = set()
for item in list(self.oeb.manifest):
if not hasattr(item.data, 'cssRules'):
continue
for i, rule in enumerate(item.data.cssRules):
if rule.type == rule.FONT_FACE_RULE:
try:
s = rule.style
src = s.getProperty('src').propertyValue[0].uri
except:
continue
path = item.abshref(src)
ff = self.oeb.manifest.hrefs.get(urlnormalize(path), None)
if ff is None:
continue
raw = nraw = ff.data
if path not in processed:
processed.add(path)
try:
nraw = remove_embed_restriction(raw)
except:
continue
if nraw != raw:
ff.data = nraw
self.oeb.container.write(path, nraw)
elif iswindows and rule.type == rule.STYLE_RULE:
from tinycss.fonts3 import parse_font_family, serialize_font_family
s = rule.style
f = s.getProperty(u'font-family')
if f is not None:
font_families = parse_font_family(f.propertyValue.cssText)
ff = [x for x in font_families if x.lower() != u'courier']
if len(ff) != len(font_families):
if 'courier' not in self.filtered_font_warnings:
# See https://bugs.launchpad.net/bugs/1665835
self.filtered_font_warnings.add(u'courier')
self.log.warn(u'Removing courier font family as it does not render on windows')
f.propertyValue.cssText = serialize_font_family(ff or [u'monospace'])
