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Allow generating a cover from metadata by right clicking the cover are in the book details panel also. Fixes #1401972 [[Enhancement] Generate Cover from Book Details](https://bugs.launchpad.net/calibre/+bug/1401972)

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This commit is contained in:
Kovid Goyal 2014-12-14 10:35:50 +05:30
parent 0f42e57132
commit 74b391f1c7
1 changed files with 29 additions and 12 deletions
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25
src/calibre/gui2/book_details.py
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@ -19,8 +19,7 @@ from calibre.gui2.dnd import (dnd_has_image, dnd_get_image, dnd_get_files,
from calibre.ebooks import BOOK_EXTENSIONS
from calibre.ebooks.metadata.book.base import (field_metadata, Metadata)
from calibre.ebooks.metadata.book.render import mi_to_html
from calibre.gui2 import (config, open_url, pixmap_to_data, gprefs,
rating_font)
from calibre.gui2 import (config, open_url, pixmap_to_data, gprefs, rating_font)
from calibre.utils.config import tweaks
def render_html(mi, css, vertical, widget, all_fields=False, render_data_func=None): # {{{
@ -208,11 +207,13 @@ class CoverView(QWidget): # {{{
paste = cm.addAction(_('Paste Cover'))
copy = cm.addAction(_('Copy Cover'))
remove = cm.addAction(_('Remove Cover'))
gc = cm.addAction(_('Generate Cover from metadata'))
if not QApplication.instance().clipboard().mimeData().hasImage():
paste.setEnabled(False)
copy.triggered.connect(self.copy_to_clipboard)
paste.triggered.connect(self.paste_from_clipboard)
remove.triggered.connect(self.remove_cover)
gc.triggered.connect(self.generate_cover)
cm.exec_(ev.globalPos())
def copy_to_clipboard(self):
@ -225,6 +226,14 @@ class CoverView(QWidget): # {{{
if pmap.isNull() and cb.supportsSelection():
pmap = cb.pixmap(cb.Selection)
if not pmap.isNull():
self.update_cover(pmap)
def update_cover(self, pmap=None, cdata=None):
if pmap is None:
pmap = QPixmap()
pmap.loadFromData(cdata)
if pmap.isNull():
return
self.pixmap = pmap
self.do_layout()
self.update()
@ -233,8 +242,16 @@ class CoverView(QWidget): # {{{
self.animation.start()
id_ = self.data.get('id', None)
if id_ is not None:
self.cover_changed.emit(id_,
pixmap_to_data(pmap))
self.cover_changed.emit(id_, cdata or pixmap_to_data(pmap))
def generate_cover(self, *args):
book_id = self.data.get('id')
if book_id is not None:
from calibre.ebooks.covers import generate_cover
from calibre.gui2.ui import get_gui
mi = get_gui().current_db.new_api.get_metadata(book_id)
cdata = generate_cover(mi)
self.update_cover(cdata=cdata)
def remove_cover(self):
id_ = self.data.get('id', None)