+ line_width = self.draw.textsize(line, font=font)[0]
+ while line_width > self.max_text_width:
+ parts = line.rsplit(' ', 1)
+ if len(parts) == 1:
+ line_width = self.max_text_width
+ break
+ line = parts[0]
+ line_width = self.draw.textsize(line, font=font)[0]
+ line = line.strip() + ' '
+
+ pos_x = (self.max_width - line_width) / 2
+
+ if shadow_color:
+ self.shadow_draw.text(
+ (pos_x + self.SHADOW_X, self.height + self.SHADOW_Y),
+ line, font=font, fill=shadow_color
+ )
+
+ self.draw.text((pos_x, self.height), line, font=font, fill=color)
+ self.height += line_height
+ # go to next line
+ text = text[len(line):]
+
+ def image(self):
+ """Creates the actual Image object."""
+ image = Image.new('RGBA', (self.max_width,
+ self.height + self.padding_y))
+ if self.shadow_img:
+ shadow = self.shadow_img.filter(ImageFilter.BLUR)
+ image.paste(shadow, (0, 0), shadow)
+ image.paste(self.img, (0, 0), self.img)
+ else:
+ image.paste(self.img, (0, 0))
+ return image
+
+
+class Cover(object):
+ """Abstract base class for cover images generator."""
+ width = 600
+ height = 800
+ background_color = '#fff'
+ background_img = None
+
+ author_top = 100
+ author_margin_left = 20
+ author_margin_right = 20
+ author_lineskip = 40
+ author_color = '#000'
+ author_shadow = None
+ author_font = None
+
+ title_top = 100
+ title_margin_left = 20
+ title_margin_right = 20
+ title_lineskip = 54
+ title_color = '#000'
+ title_shadow = None
+ title_font = None
+
+ logo_bottom = None
+ logo_width = None
+ uses_dc_cover = False
+
+ format = 'JPEG'
+
+ exts = {
+ 'JPEG': 'jpg',
+ 'PNG': 'png',
+ }
+
+ mime_types = {
+ 'JPEG': 'image/jpeg',
+ 'PNG': 'image/png',
+ }
+
+ def __init__(self, book_info):
+ self.author = ", ".join(auth.readable() for auth in book_info.authors)
+ self.title = book_info.title
+
+ def pretty_author(self):
+ """Allows for decorating author's name."""
+ return self.author
+
+ def pretty_title(self):
+ """Allows for decorating title."""
+ return self.title
+
+ def image(self):
+ img = Image.new('RGB', (self.width, self.height), self.background_color)
+
+ if self.background_img:
+ background = Image.open(self.background_img)
+ img.paste(background, None, background)
+ del background
+
+ # WL logo
+ if self.logo_width:
+ logo = Image.open(get_resource('res/wl-logo.png'))
+ logo = logo.resize((self.logo_width, logo.size[1] * self.logo_width / logo.size[0]))
+ img.paste(logo, ((self.width - self.logo_width) / 2, img.size[1] - logo.size[1] - self.logo_bottom))
+
+ top = self.author_top
+ tbox = TextBox(
+ self.width - self.author_margin_left - self.author_margin_right,
+ self.height - top,
+ )
+ author_font = self.author_font or ImageFont.truetype(
+ get_resource('fonts/DejaVuSerif.ttf'), 30)
+ tbox.text(self.pretty_author(), self.author_color, author_font,
+ 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,
+ self.height - top,
+ )
+ title_font = self.author_font or ImageFont.truetype(
+ get_resource('fonts/DejaVuSerif.ttf'), 40)
+ tbox.text(self.pretty_title(), self.title_color, title_font,
+ self.title_lineskip, self.title_shadow)
+ text_img = tbox.image()
+ img.paste(text_img, (self.title_margin_left, top), text_img)
+
+ return img
+
+ def mime_type(self):
+ return self.mime_types[self.format]
+
+ def ext(self):
+ return self.exts[self.format]
+
+ def save(self, *args, **kwargs):
+ return self.image().save(format=self.format, *args, **kwargs)
+
+
+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, image_cache=None):
+ super(WLCover, self).__init__(book_info)
+ self.kind = book_info.kind
+ self.epoch = book_info.epoch
+ if book_info.cover_url:
+ from urllib2 import urlopen
+ from StringIO import StringIO
+
+ url = book_info.cover_url
+ bg_src = None
+ if image_cache:
+ from urllib import quote
fnp / librarian.git / blobdiff