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Conversion: When inserting metadata as a jacket page, alter the font sizes in the jacket so that the sizes match the sizes used in the rest of the book. Also pretty print the generated jacket HTML.

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This commit is contained in:
Kovid Goyal 2014-04-09 10:46:55 +05:30
parent fe0ea435d2
commit b48997e9bf
2 changed files with 23 additions and 10 deletions
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11
resources/jacket/stylesheet.css
View File

@ -38,7 +38,7 @@
** Title
*/
table.cbj_header td.cbj_title {
font-size: x-large;
font-size: 1.5em;
font-style: italic;
text-align: center;
}
@ -47,7 +47,6 @@ table.cbj_header td.cbj_title {
** Series
*/
table.cbj_header td.cbj_series {
font-size: medium;
text-align: center;
}
@ -55,7 +54,6 @@ table.cbj_header td.cbj_series {
** Author
*/
table.cbj_header td.cbj_author {
font-size: medium;
text-align: center;
}
@ -141,14 +139,11 @@ hr {
.cbj_footer {
font-family: sans-serif;
font-size: small;
font-size: 0.8em;
margin-top: 8px;
text-align: center;
}
.cbj_smallcaps {
font-size: 90%;
}
.cbj_comments {
font-family: sans-serif;
font-family: sans-serif;
}

22
src/calibre/ebooks/oeb/transforms/jacket.py
View File

@ -91,7 +91,7 @@ class Jacket(object):
root = render_jacket(mi, self.opts.output_profile,
alt_title=title, alt_tags=tags,
alt_comments=comments)
alt_comments=comments, rescale_fonts=True)
id, href = self.oeb.manifest.generate('calibre_jacket', 'jacket.xhtml')
jacket = self.oeb.manifest.add(id, href, guess_type(href)[0], data=root)
@ -144,7 +144,7 @@ def get_rating(rating, rchar, e_rchar):
def render_jacket(mi, output_profile,
alt_title=_('Unknown'), alt_tags=[], alt_comments='',
alt_publisher=('')):
alt_publisher=(''), rescale_fonts=False):
css = P('jacket/stylesheet.css', data=True).decode('utf-8')
try:
@ -268,6 +268,24 @@ def render_jacket(mi, output_profile,
except:
root = etree.fromstring(generate_html(''),
parser=RECOVER_PARSER)
if rescale_fonts:
# We ensure that the conversion pipeline will set the font sizes for
# text in the jacket to the same size as the font sizes for the rest of
# the text in the book. That means that as long as the jacket uses
# relative font sizes (em or %), the post conversion font size will be
# the same as for text in the main book. So text with size x em will
# be rescaled to the same value in both the jacket and the main content.
#
# We cannot use calibre_rescale_100 on the body tag as that will just
# give the body tag a font size of 1em, which is useless.
for body in root.xpath('//*[local-name()="body"]'):
fw = body.makeelement(XHTML('div'))
fw.set('class', 'calibre_rescale_100')
for child in body:
fw.append(child)
body.append(fw)
from calibre.ebooks.oeb.polish.pretty import pretty_html_tree
pretty_html_tree(None, root)
return root
# }}}