-# -*- 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
-
-
-def cover(author, title,
- width, height, background_color, background_img,
- author_top, author_margin_left, author_margin_right, author_lineskip, author_color, author_font, author_shadow,
- title_top, title_margin_left, title_margin_right, title_lineskip, title_color, title_font, title_shadow,
- logo_width, logo_bottom
- ):
- 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
-
-
- img = Image.new('RGB', (width, height), background_color)
-
- if background_img:
- background = Image.open(background_img)
- img.paste(background)
- del background
-
- # WL logo
- if logo_width:
- logo = Image.open(get_resource('res/wl-logo.png'))
- logo = logo.resize((logo_width, logo.size[1] * logo_width / logo.size[0]))
- img.paste(logo, ((width - logo_width) / 2, img.size[1] - logo.size[1] - logo_bottom))
-
- title_y = draw_centered_text(author, img, author_font,
- author_margin_left, width - author_margin_left - author_margin_right, author_top,
- author_lineskip, author_color, author_shadow) + title_top
- draw_centered_text(title, img, title_font,
- title_margin_left, width - title_margin_left - title_margin_right, title_y,
- title_lineskip, title_color, title_shadow)
-
- return img
-
-
-def virtualo_cover(author, title):
- return cover(author, title,
- 600, 730, '#fff', None,
- 73, 20, 20, 40, '#000', ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 30), None,
- 73, 20, 20, 54, '#000', ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 40), None,
- 300, 0
- )
-
-def asbis_cover(author, title):
- return cover(author, u"„%s”" % title,
- 800, 800, '#000', '',
- 455, 230, 170, 60, '#fff', ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50), '#000',
- 0, 230, 170, 60, '#fff', ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50), '#000',
- None, None
- )
-