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improve new docs, user specfied width handled correctly, default scene break markers work across Kindle and ADE based devices

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This commit is contained in:
ldolse 2011-02-02 14:09:25 +08:00
parent cbd5f19e0e
commit 8627ec9683
3 changed files with 18 additions and 7 deletions
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5
src/calibre/ebooks/conversion/utils.py
View File

@ -490,11 +490,12 @@ class HeuristicProcessor(object):
applied to wrapping divs. This is because many ebook devices don't support margin:auto
All other html is converted to text.
'''
hr_open = '<div id="scenebreak" style="margin-left: 45%; margin-right: 45%; margin-top:1.5em; margin-bottom:1.5em">'
hr_open = '<div id="scenebreak" style="margin-left: 45%; margin-right: 45%; margin-top:1.5em; margin-bottom:1.5em; page-break-before:avoid">'
if re.findall('(<|>)', replacement_break):
if re.match('^<hr', replacement_break):
if replacement_break.find('width') != -1:
width = int(re.sub('.*?width(:|=)(?P<wnum>\d+).*', '\g<wnum>', replacement_break))
replacement_break = re.sub('(?i)(width=\d+\%?|width:\s*\d+(\%|px|pt|em)?;?)', '', replacement_break)
divpercent = (100 - width) / 2
hr_open = re.sub('45', str(divpercent), hr_open)
scene_break = hr_open+replacement_break+'</div>'
@ -642,7 +643,7 @@ class HeuristicProcessor(object):
# or 'hard' scene breaks are replaced, depending on which is in use
# Otherwise separator lines are centered, use a bit larger margin in this case
replacement_break = getattr(self.extra_opts, 'replace_scene_breaks', None)
if replacement_break is not None:
if replacement_break != '':
replacement_break = self.markup_user_break(replacement_break)
if len(scene_break.findall(html)) >= 1:
html = scene_break.sub(replacement_break, html)

4
src/calibre/gui2/convert/heuristics.py
View File

@ -27,8 +27,8 @@ class HeuristicsWidget(Widget, Ui_Form):
'dehyphenate', 'renumber_headings']
)
self.db, self.book_id = db, book_id
self.rssb_defaults = [u'', u'<hr />', u'* * *', u'• • •', u'✦ ✦ ✦',
u'✮ ✮ ✮', u'☆ ☆ ☆', u'❂ ❂ ❂', u'✣ ✣ ✣', u'❖ ❖ ❖', u'☼ ☼ ☼', u'✠ ✠ ✠']
self.rssb_defaults = [u'', u'<hr />', u'∗ ∗ ∗', u'• • •', u'♦ ♦ ♦',
u'† †', u'‡ ‡ ‡', u'∞ ∞ ∞', u'¤ ¤ ¤', u'§']
self.initialize_options(get_option, get_help, db, book_id)
self.load_histories()

16
src/calibre/manual/conversion.rst
View File

@ -316,9 +316,19 @@ remove all non-breaking-space entities, or may include false positive matches re
:guilabel:`Replace scene breaks`
If this option is configured then |app| will replace scene break markers it finds with the replacement text specified by the
user. In general you should avoid using html tags, |app| will discard any tags and use pre-defined markup. <hr />
tags, i.e. horizontal rules, are an exception. These can optionally be specified with styles, if you choose to add your own
style be sure to include the 'width' setting, otherwise the style information will be discarded.
user. Please note that some ornamental characters may not be supported across all reading devices.
In general you should avoid using html tags, |app| will discard any tags and use pre-defined markup. <hr />
tags, i.e. horizontal rules, and <img> tags are exceptions. Horizontal rules can optionally be specified with styles, if you
choose to add your own style be sure to include the 'width' setting, otherwise the style information will be discarded. Image
tags can used, but |app| does not provide the ability to add the image during conversion, this must be done after the fact using
the 'Tweak Epub' feature, or Sigil.
Example image tag (place the image within an 'Images' folder inside the epub after conversion):
<img style="width:10%" src="../Images/scenebreak.png" />
Example horizontal rule with styles:
<hr style="width:20%;padding-top: 1px;border-top: 2px ridge black;border-bottom: 2px groove black;"/>
:guilabel:`Remove unnecessary hyphens`
|app| will analyze all hyphenated content in the document when this option is enabled. The document itself is used