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Viewer: Fix text that has font sizes specified using keywords not being scaleable by the viewer's font size controls. Fixes #1875021 [Private bug](https://bugs.launchpad.net/calibre/+bug/1875021)

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Kovid Goyal 2020-04-27 14:13:57 +05:30
parent da5359a617
commit 529119caad
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 12 additions and 1 deletions
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13
src/calibre/srv/render_book.py
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@ -133,6 +133,11 @@ def create_link_replacer(container, link_uid, changed):
page_break_properties = ('page-break-before', 'page-break-after', 'page-break-inside') page_break_properties = ('page-break-before', 'page-break-after', 'page-break-inside')
absolute_font_sizes = {
'xx-small': '0.5rem', 'x-small': '0.625rem', 'small': '0.8rem',
'medium': '1rem',
'large': '1.125rem', 'x-large': '1.5rem', 'xx-large': '2rem', 'xxx-large': '2.55rem'
}
def transform_declaration(decl): def transform_declaration(decl):
@ -148,7 +153,13 @@ def transform_declaration(decl):
decl.set_property(prefix + name, prop.value, prop.priority) decl.set_property(prefix + name, prop.value, prop.priority)
decl.remove_property(prop, parent_prop) decl.remove_property(prop, parent_prop)
elif prop.name == 'font-size': elif prop.name == 'font-size':
l, unit = parse_css_length(prop.value) raw = prop.value
afs = absolute_font_sizes.get(raw)
if afs is not None:
changed = True
decl.change_property(prop, parent_prop, afs)
continue
l, unit = parse_css_length(raw)
if unit in absolute_units: if unit in absolute_units:
changed = True changed = True
l = convert_fontsize(l, unit) l = convert_fontsize(l, unit)