def check_for_masthead(self): found = 'masthead' in self.oeb.guide if not found: from calibre.ebooks import generate_masthead self.oeb.log.debug('No masthead found in manifest, generating default mastheadImage...') raw = generate_masthead(unicode(self.oeb.metadata['title'][0])) id, href = self.oeb.manifest.generate('masthead', 'masthead') self.oeb.manifest.add(id, href, 'image/gif', data=raw) self.oeb.guide.add('masthead', 'Masthead Image', href)
def check_for_masthead(self): found = 'masthead' in self.oeb.guide if not found: from calibre.ebooks import generate_masthead self.oeb.log.debug('No masthead found in manifest, generating default mastheadImage...') raw = generate_masthead(unicode(self.oeb.metadata['title'][0])) id, href = self.oeb.manifest.generate('masthead', 'masthead') self.oeb.manifest.add(id, href, 'image/gif', data=raw) self.oeb.guide.add('masthead', 'Masthead Image', href) else: self.oeb.log.debug('Using mastheadImage supplied in manifest...')
def add_resources(self, add_fonts): oeb = self.oeb oeb.logger.info('Serializing resources...') index = 1 mh_href = None if 'masthead' in oeb.guide and oeb.guide['masthead'].href: mh_href = oeb.guide['masthead'].href self.records.append(None) index += 1 self.used_image_indices.add(0) self.image_indices.add(0) elif self.is_periodical: # Generate a default masthead data = generate_masthead( unicode_type(self.oeb.metadata['title'][0])) self.records.append(data) self.used_image_indices.add(0) self.image_indices.add(0) index += 1 cover_href = self.cover_offset = self.thumbnail_offset = None if (oeb.metadata.cover and unicode_type(oeb.metadata.cover[0]) in oeb.manifest.ids): cover_id = unicode_type(oeb.metadata.cover[0]) item = oeb.manifest.ids[cover_id] cover_href = item.href for item in self.oeb.manifest.values(): if item.media_type not in OEB_RASTER_IMAGES: continue if item.media_type.lower() == 'image/webp': self.convert_webp(item) try: data = self.process_image(item.data) except: self.log.warn('Bad image file %r' % item.href) continue else: if mh_href and item.href == mh_href: self.records[0] = data continue self.image_indices.add(len(self.records)) self.records.append(data) self.item_map[item.href] = index self.mime_map[item.href] = 'image/%s' % what(None, data) index += 1 if cover_href and item.href == cover_href: self.cover_offset = self.item_map[item.href] - 1 self.used_image_indices.add(self.cover_offset) try: data = rescale_image(item.data, dimen=MAX_THUMB_DIMEN, maxsizeb=MAX_THUMB_SIZE) except: self.log.warn('Failed to generate thumbnail') else: self.image_indices.add(len(self.records)) self.records.append(data) self.thumbnail_offset = index - 1 self.used_image_indices.add(self.thumbnail_offset) index += 1 finally: item.unload_data_from_memory() if add_fonts: for item in self.oeb.manifest.values(): if item.href and item.href.rpartition('.')[-1].lower() in { 'ttf', 'otf' } and isinstance(item.data, bytes): self.records.append(write_font_record(item.data)) self.item_map[item.href] = len(self.records) self.has_fonts = True
def add_resources(self, add_fonts): oeb = self.oeb oeb.logger.info('Serializing resources...') index = 1 mh_href = None if 'masthead' in oeb.guide and oeb.guide['masthead'].href: mh_href = oeb.guide['masthead'].href self.records.append(None) index += 1 self.used_image_indices.add(0) self.image_indices.add(0) elif self.is_periodical: # Generate a default masthead data = generate_masthead(unicode(self.oeb.metadata['title'][0])) self.records.append(data) self.used_image_indices.add(0) self.image_indices.add(0) index += 1 cover_href = self.cover_offset = self.thumbnail_offset = None if (oeb.metadata.cover and unicode(oeb.metadata.cover[0]) in oeb.manifest.ids): cover_id = unicode(oeb.metadata.cover[0]) item = oeb.manifest.ids[cover_id] cover_href = item.href for item in self.oeb.manifest.values(): if item.media_type not in OEB_RASTER_IMAGES: continue try: data = self.process_image(item.data) except Exception,e: self.log.warn('Bad image file %r : %s' % (item.href,str(e))) continue else: if mh_href and item.href == mh_href: self.records[0] = data continue self.image_indices.add(len(self.records)) self.records.append(data) self.item_map[item.href] = index self.mime_map[item.href] = 'image/%s'%what(None, data) index += 1 if cover_href and item.href == cover_href: self.cover_offset = self.item_map[item.href] - 1 self.used_image_indices.add(self.cover_offset) try: data = rescale_image(item.data, dimen=MAX_THUMB_DIMEN, maxsizeb=MAX_THUMB_SIZE) except: self.log.warn('Failed to generate thumbnail') else: self.image_indices.add(len(self.records)) self.records.append(data) self.thumbnail_offset = index - 1 self.used_image_indices.add(self.thumbnail_offset) index += 1 finally: