+++ /dev/null
-# -*- coding: utf-8 -*-
-#
-# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
-#
-import Image, ImageFont, ImageDraw, ImageFilter
-from librarian import get_resource
-
-
-class Cover(object):
- 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
-
- format = 'JPEG'
-
-
- exts = {
- 'JPEG': 'jpg',
- 'PNG': 'png',
- }
-
- mime_types = {
- 'JPEG': 'image/jpeg',
- 'PNG': 'image/png',
- }
-
-
- @staticmethod
- def draw_centered_text(text, img, font, margin_left, width, pos_y, lineskip, color, shadow_color):
- if shadow_color:
- shadow_img = Image.new('RGBA', img.size)
- shadow_draw = ImageDraw.Draw(shadow_img)
- text_img = Image.new('RGBA', img.size)
- text_draw = ImageDraw.Draw(text_img)
- while text:
- line = text
- while text_draw.textsize(line, font=font)[0] > width:
- try:
- line, ext = line.rsplit(' ', 1)
- except:
- break
- pos_x = margin_left + (width - text_draw.textsize(line, font=font)[0]) / 2
- if shadow_color:
- shadow_draw.text((pos_x + 3, pos_y + 3), line, font=font, fill=shadow_color)
- text_draw.text((pos_x, pos_y), line, font=font, fill=color)
- pos_y += lineskip
- text = text[len(line)+1:]
- if shadow_color:
- shadow_img = shadow_img.filter(ImageFilter.BLUR)
- img.paste(shadow_img, None, shadow_img)
- img.paste(text_img, None, text_img)
- return pos_y
-
-
- def __init__(self, author='', title=''):
- self.author = author
- self.title = title
-
- def pretty_author(self):
- return self.author
-
- def pretty_title(self):
- 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))
-
- author_font = self.author_font or ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 30)
- title_y = self.draw_centered_text(self.pretty_author(), img, author_font,
- self.author_margin_left, self.width - self.author_margin_left - self.author_margin_right, self.author_top,
- self.author_lineskip, self.author_color, self.author_shadow) + self.title_top
- title_font = self.title_font or ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 40)
- self.draw_centered_text(self.pretty_title(), img, title_font,
- self.title_margin_left, self.width - self.title_margin_left - self.title_margin_right, title_y,
- self.title_lineskip, self.title_color, self.title_shadow)
-
- 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):
- author_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 40)
- title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50)
- logo_width = 250
- logo_bottom = 20
-
-
-
-class VirtualoCover(Cover):
- width = 600
- height = 730
- author_top = 73
- title_top = 73
- logo_bottom = 25
- logo_width = 250
-
-
-class PrestigioCover(Cover):
- width = 580
- height = 783
- background_img = get_resource('res/cover-prestigio.png')
-
- author_top = 446
- author_margin_left = 118
- author_margin_right = 62
- author_lineskip = 60
- author_color = '#fff'
- author_shadow = '#000'
- author_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50)
-
- title_top = 0
- title_margin_left = 118
- title_margin_right = 62
- title_lineskip = 60
- title_color = '#fff'
- title_shadow = '#000'
- title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50)
-
- def pretty_title(self):
- return u"„%s”" % self.title
-
-
-class BookotekaCover(Cover):
- width = 2140
- height = 2733
- background_img = get_resource('res/cover-bookoteka.png')
-
- author_top = 480
- author_margin_left = 307
- author_margin_right = 233
- author_lineskip = 156
- author_color = '#d9d919'
- author_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 130)
-
- title_top = 400
- title_margin_left = 307
- title_margin_right = 233
- title_lineskip = 168
- title_color = '#d9d919'
- title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 140)
-
- format = 'PNG'
-
-
-class GandalfCover(Cover):
- width = 600
- height = 730
- background_img = get_resource('res/cover-gandalf.png')
- author_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 30)
- title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 40)
- logo_bottom = 25
- logo_width = 250
- format = 'PNG'