def font(family, weight=None, style=None):
f = {}
if weight is not None:
f['font-weight'] = weight
if style is not None:
f['font-style'] = style
f = normalize_font_properties(f)
f['font-family'] = [family]
return f
def font(family, weight=None, style=None):
f = {}
if weight is not None:
f['font-weight'] = weight
if style is not None:
f['font-style'] = style
f = normalize_font_properties(f)
f['font-family'] = [family]
return f
def embed_all_fonts(container, stats, report):
all_font_rules = tuple(stats.all_font_rules.itervalues())
warned = set()
rules, nrules = [], []
modified = set()
for path in container.spine_items:
name = container.abspath_to_name(path)
fu = stats.font_usage_map.get(name, None)
fs = stats.font_spec_map.get(name, None)
fr = stats.font_rule_map.get(name, None)
if None in (fs, fu, fr):
continue
fs = {icu_lower(x) for x in fs}
for font in fu.itervalues():
if icu_lower(font['font-family']) not in fs:
continue
rule = matching_rule(font, fr)
if rule is None:
# This font was not already embedded in this HTML file, before
# processing started
rule = matching_rule(font, nrules)
if rule is None:
rule = embed_font(container, font, all_font_rules, report, warned)
if rule is not None:
rules.append(rule)
nrules.append(normalize_font_properties(rule.copy()))
modified.add(name)
stats.font_stats[rule['name']] = font['text']
else:
# This font was previously embedded by this code, update its stats
stats.font_stats[rule['name']] |= font['text']
modified.add(name)
if not rules:
report(_('No embeddable fonts found'))
return False
# Write out CSS
rules = [';\n\t'.join('%s: %s' % (
k, '"%s"' % v if k == 'font-family' else v) for k, v in rule.iteritems() if (k in props and props[k] != v and v != '400') or k == 'src')
for rule in rules]
css = '\n\n'.join(['@font-face {\n\t%s\n}' % r for r in rules])
item = container.generate_item('fonts.css', id_prefix='font_embed')
name = container.href_to_name(item.get('href'), container.opf_name)
with container.open(name, 'wb') as out:
out.write(css.encode('utf-8'))
# Add link to CSS in all files that need it
for spine_name in modified:
root = container.parsed(spine_name)
head = root.xpath('//*[local-name()="head"][1]')[0]
href = container.name_to_href(name, spine_name)
etree.SubElement(head, XHTML('link'), rel='stylesheet', type='text/css', href=href).tail = '\n'
container.dirty(spine_name)
return True
def embed_all_fonts(container, stats, report):
all_font_rules = tuple(stats.all_font_rules.itervalues())
warned = set()
rules, nrules = [], []
modified = set()
for path in container.spine_items:
name = container.abspath_to_name(path)
fu = stats.font_usage_map.get(name, None)
fs = stats.font_spec_map.get(name, None)
fr = stats.font_rule_map.get(name, None)
if None in (fs, fu, fr):
continue
fs = {icu_lower(x) for x in fs}
for font in fu.itervalues():
if icu_lower(font['font-family']) not in fs:
continue
rule = matching_rule(font, fr)
if rule is None:
# This font was not already embedded in this HTML file, before
# processing started
rule = matching_rule(font, nrules)
if rule is None:
rule = embed_font(container, font, all_font_rules, report,
warned)
if rule is not None:
rules.append(rule)
nrules.append(normalize_font_properties(rule.copy()))
modified.add(name)
stats.font_stats[rule['name']] = font['text']
else:
# This font was previously embedded by this code, update its stats
stats.font_stats[rule['name']] |= font['text']
modified.add(name)
if not rules:
report(_('No embeddable fonts found'))
return False
# Write out CSS
rules = [
';\n\t'.join(
'%s: %s' % (k, '"%s"' % v if k == 'font-family' else v)
for k, v in rulel.iteritems()
if (k in props and props[k] != v and v != '400') or k == 'src')
for rulel in rules
]
css = '\n\n'.join(['@font-face {\n\t%s\n}' % r for r in rules])
item = container.generate_item('fonts.css', id_prefix='font_embed')
name = container.href_to_name(item.get('href'), container.opf_name)
with container.open(name, 'wb') as out:
out.write(css.encode('utf-8'))
# Add link to CSS in all files that need it
for spine_name in modified:
root = container.parsed(spine_name)
head = root.xpath('//*[local-name()="head"][1]')[0]
href = container.name_to_href(name, spine_name)
etree.SubElement(head,
XHTML('link'),
rel='stylesheet',
type='text/css',
href=href).tail = '\n'
container.dirty(spine_name)
return True
