- return OutputFile.from_string(imgstr.getvalue())
-
-
-class WLCover(Cover):
- """Default Wolne Lektury cover generator."""
- width = 600
- height = 833
- uses_dc_cover = True
- author_font = ImageFont.truetype(
- get_resource('fonts/JunicodeWL-Regular.ttf'), 20)
- author_lineskip = 30
- title_font = ImageFont.truetype(
- get_resource('fonts/DejaVuSerif-Bold.ttf'), 30)
- title_lineskip = 40
- title_box_width = 350
- bar_width = 35
- background_color = '#444'
- author_color = '#444'
- default_background = get_resource('res/cover.png')
- format = 'JPEG'
-
- epoch_colors = {
- u'Starożytność': '#9e3610',
- u'Średniowiecze': '#564c09',
- u'Renesans': '#8ca629',
- u'Barok': '#a6820a',
- u'Oświecenie': '#f2802e',
- u'Romantyzm': '#db4b16',
- u'Pozytywizm': '#961060',
- u'Modernizm': '#7784e0',
- u'Dwudziestolecie międzywojenne': '#3044cf',
- u'Współczesność': '#06393d',
- }
-
- def __init__(self, book_info, format=None, image_cache=None):
- super(WLCover, self).__init__(book_info, format=format)
- self.kind = book_info.kind
- self.epoch = book_info.epoch
- if book_info.cover_url:
- url = book_info.cover_url
- bg_src = None
- if image_cache:
- from urllib import quote
- try:
- bg_src = URLOpener().open(image_cache + quote(url, safe=""))
- except:
- pass
- if bg_src is None:
- bg_src = URLOpener().open(url)
- self.background_img = StringIO(bg_src.read())
- bg_src.close()
- else:
- self.background_img = self.default_background
-
- def pretty_author(self):
- return self.author.upper()
-
- def image(self):
- img = Image.new('RGB', (self.width, self.height), self.background_color)
- draw = ImageDraw.Draw(img)
-
- if self.epoch in self.epoch_colors:
- epoch_color = self.epoch_colors[self.epoch]
- else:
- epoch_color = '#000'
- draw.rectangle((0, 0, self.bar_width, self.height), fill=epoch_color)
-
- if self.background_img:
- src = Image.open(self.background_img)
- trg_size = (self.width - self.bar_width, self.height)
- if src.size[0] * trg_size[1] < src.size[1] * trg_size[0]:
- resized = (
- trg_size[0],
- src.size[1] * trg_size[0] / src.size[0]
- )
- cut = (resized[1] - trg_size[1]) / 2
- src = src.resize(resized)
- src = src.crop((0, cut, src.size[0], src.size[1] - cut))
- else:
- resized = (
- src.size[0] * trg_size[1] / src.size[1],
- trg_size[1],
- )
- cut = (resized[0] - trg_size[0]) / 2
- src = src.resize(resized)
- src = src.crop((cut, 0, src.size[0] - cut, src.size[1]))
-
- img.paste(src, (self.bar_width, 0))
- del src
-
- box = TextBox(self.title_box_width, self.height, padding_y=20)
- box.text(self.pretty_author(),
- font=self.author_font,
- line_height=self.author_lineskip,
- color=self.author_color,
- shadow_color=self.author_shadow,
- )
-
- box.skip(10)
- box.draw.line((75, box.height, 275, box.height),
- fill=self.author_color, width=2)
- box.skip(15)
-
- box.text(self.pretty_title(),
- line_height=self.title_lineskip,
- font=self.title_font,
- color=epoch_color,
- shadow_color=self.title_shadow,
- )
- box_img = box.image()
-
- if self.kind == 'Liryka':
- # top
- box_top = 100
- elif self.kind == 'Epika':
- # bottom
- box_top = self.height - 100 - box_img.size[1]
- else:
- # center
- box_top = (self.height - box_img.size[1]) / 2
-
- box_left = self.bar_width + (self.width - self.bar_width -
- box_img.size[0]) / 2
- draw.rectangle((box_left, box_top,
- box_left + box_img.size[0], box_top + box_img.size[1]),
- fill='#fff')
- img.paste(box_img, (box_left, box_top), box_img)