# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+import re
import Image, ImageFont, ImageDraw, ImageFilter
-from librarian import get_resource
+from StringIO import StringIO
+from librarian import get_resource, OutputFile, URLOpener
class TextBox(object):
"""Skips some vertical space."""
self.height += height
- def text(self, text, color='#000', font=None, line_height=20,
+ def text(self, text, color='#000', font=None, line_height=20,
shadow_color=None):
"""Writes some centered text."""
+ text = re.sub(r'\s+', ' ', text)
if shadow_color:
if not self.shadow_img:
self.shadow_img = Image.new('RGBA', self.img.size)
'PNG': 'image/png',
}
- def __init__(self, book_info):
+ def __init__(self, book_info, format=None):
self.author = ", ".join(auth.readable() for auth in book_info.authors)
self.title = book_info.title
+ if format is not None:
+ self.format = format
def pretty_author(self):
"""Allows for decorating author's name."""
self.author_lineskip, self.author_shadow)
text_img = tbox.image()
img.paste(text_img, (self.author_margin_left, top), text_img)
-
+
top += text_img.size[1] + self.title_top
tbox = TextBox(
self.width - self.title_margin_left - self.title_margin_right,
def save(self, *args, **kwargs):
return self.image().save(format=self.format, *args, **kwargs)
+ def output_file(self, *args, **kwargs):
+ imgstr = StringIO()
+ self.save(imgstr, *args, **kwargs)
+ 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)
bar_width = 35
background_color = '#444'
author_color = '#444'
+ default_background = get_resource('res/cover.png')
+ format = 'JPEG'
- epochs = {
- u'Starożytność': 0,
- u'Średniowiecze': 30,
- u'Renesans': 60,
- u'Barok': 90,
- u'Oświecenie': 120,
- u'Romantyzm': 150,
- u'Pozytywizm': 180,
- u'Modernizm': 210,
- u'Dwudziestolecie międzywojenne': 240,
- u'Współczesność': 270,
+ 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):
- super(WLCover, self).__init__(book_info)
+ 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:
- from urllib2 import urlopen
- from StringIO import StringIO
-
- bg_src = urlopen(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):
- from colorsys import hsv_to_rgb
-
img = Image.new('RGB', (self.width, self.height), self.background_color)
draw = ImageDraw.Draw(img)
- if self.epoch in self.epochs:
- epoch_color = tuple(int(255 * c) for c in hsv_to_rgb(
- float(self.epochs[self.epoch]) / 360, .7, .7))
+ 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)
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(),
+ box.text(self.pretty_author(),
font=self.author_font,
line_height=self.author_lineskip,
color=self.author_color,
)
box.skip(10)
- box.draw.line((75, box.height, 275, box.height),
+ box.draw.line((75, box.height, 275, box.height),
fill=self.author_color, width=2)
box.skip(15)
# center
box_top = (self.height - box_img.size[1]) / 2
- box_left = self.bar_width + (self.width - self.bar_width -
+ box_left = self.bar_width + (self.width - self.bar_width -
box_img.size[0]) / 2
- draw.rectangle((box_left, box_top,
+ 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)
fnp / librarian.git / blobdiff