-# -*- 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.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
#
-from __future__ import unicode_literals
-
import re
from PIL import Image, ImageFont, ImageDraw, ImageFilter
-from six import BytesIO
+from io import BytesIO
from librarian import get_resource, OutputFile, URLOpener
-class Metric(object):
+class Metric:
"""Gets metrics from an object, scaling it by a factor."""
def __init__(self, obj, scale):
self._obj = obj
return src
-class TextBox(object):
+class TextBox:
"""Creates an Image with a series of centered strings."""
SHADOW_X = 3
SHADOW_Y = 3
SHADOW_BLUR = 3
- def __init__(self, max_width, max_height, padding_x=None, padding_y=None):
+ def __init__(self, max_width, max_height, padding_x=None, padding_y=None, bar_width=0, bar_color=None):
if padding_x is None:
padding_x = self.SHADOW_X + self.SHADOW_BLUR
if padding_y is None:
padding_y = self.SHADOW_Y + self.SHADOW_BLUR
self.max_width = max_width
- self.max_text_width = max_width - 2 * padding_x
+ self.bar_width = bar_width
+ self.bar_color = bar_color
+ self.max_text_width = max_width - 2 * padding_x - bar_width
+ self.padding_x = padding_x
self.padding_y = padding_y
self.height = padding_y
self.img = Image.new('RGBA', (max_width, max_height))
self.height += height
def text(self, text, color='#000', font=None, line_height=20,
- shadow_color=None):
+ shadow_color=None, centering=True):
"""Writes some centered text."""
text = re.sub(r'\s+', ' ', text)
if shadow_color:
line_width = self.max_text_width
break
line = parts[0]
+
+ if len(line) > 2 and line[-2] == ' ':
+ line = line[:-2]
+
line_width = self.draw.textsize(line, font=font)[0]
line = line.strip() + ' '
- pos_x = (self.max_width - line_width) // 2
+ if centering:
+ pos_x = (self.max_width - line_width) // 2
+ else:
+ pos_x = self.bar_width + self.padding_x
if shadow_color:
self.shadow_draw.text(
def image(self):
"""Creates the actual Image object."""
image = Image.new('RGBA', (self.max_width,
- self.height + self.padding_y))
+ int(round(self.height + self.padding_y))))
+
if self.shadow_img:
shadow = self.shadow_img.filter(ImageFilter.BLUR)
image.paste(shadow, (0, 0), shadow)
return image
-class Cover(object):
+class Cover:
"""Abstract base class for cover images generator."""
width = 600
height = 800
'PNG': 'image/png',
}
- def __init__(self, book_info, format=None, width=None, height=None):
+ def __init__(self, book_info, format=None, width=None, height=None, cover_logo=None):
+ self.book_info = book_info
+
+ self.predesigned = False
+ if book_info.cover_class == 'image':
+ self.predesigned = True
+
+ # TODO: deprecated
+ if book_info.cover_box_position == 'none':
+ self.predesigned = True
+
self.authors = [auth.readable() for auth in book_info.authors]
self.title = book_info.title
if format is not None:
self.format = format
+ self.set_size(width, height)
+ self.cover_logo = cover_logo
+
+ def set_size(self, width, height):
if width and height:
self.height = int(round(height * self.width / width))
scale = max(float(width or 0) / self.width,
def pretty_authors(self):
"""Allows for decorating authors' names."""
- return [self.authors]
+ return self.authors
def pretty_title(self):
"""Allows for decorating title."""
)
author_font = ImageFont.truetype(
- self.author_font_ttf, metr.author_font_size)
+ self.author_font_ttf, metr.author_font_size,
+ layout_engine=ImageFont.Layout.BASIC)
for pa in self.pretty_authors():
tbox.text(pa, self.author_color, author_font, metr.author_lineskip,
self.author_shadow)
metr.height - top,
)
title_font = ImageFont.truetype(
- self.title_font_ttf, metr.title_font_size)
+ self.title_font_ttf, metr.title_font_size,
+ layout_engine=ImageFont.Layout.BASIC)
tbox.text(self.pretty_title(), self.title_color, title_font,
metr.title_lineskip, self.title_shadow)
text_img = tbox.image()
img = img.resize((
int(round(img.size[0] * self.scale_after)),
int(round(img.size[1] * self.scale_after))),
- Image.ANTIALIAS)
+ Image.Resampling.LANCZOS)
return img
def mime_type(self):
author_font_ttf = get_resource('fonts/JunicodeWL-Regular.ttf')
author_font_size = 20
author_lineskip = 30
+ author_centering = True
title_font_ttf = get_resource('fonts/DejaVuSerif-Bold.ttf')
title_font_size = 30
title_lineskip = 40
title_box_width = 350
+ title_centering = True
box_top_margin = 100
box_bottom_margin = 100
box_line_left = 75
box_line_right = 275
box_line_width = 2
+ box_padding_x = 0
+ box_bar_width = 0
logo_top = 15
logo_width = 140
background_color = '#444'
author_color = '#444'
background_img = get_resource('res/cover.png')
+ background_top = False
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',
+ 'Starożytność': '#9e3610',
+ 'Średniowiecze': '#564c09',
+ 'Renesans': '#8ca629',
+ 'Barok': '#a6820a',
+ 'Oświecenie': '#f2802e',
+ 'Romantyzm': '#db4b16',
+ 'Pozytywizm': '#961060',
+ 'Modernizm': '#7784e0',
+ 'Dwudziestolecie międzywojenne': '#3044cf',
+ 'Współczesność': '#06393d',
}
+ set_title_color = True
kind_box_position = {
- u'Liryka': 'top',
- u'Epika': 'bottom',
+ 'Liryka': 'top',
+ 'Epika': 'bottom',
}
def __init__(self, book_info, format=None, width=None, height=None,
- bleed=0):
+ bleed=0, cover_logo=None):
super(WLCover, self).__init__(book_info, format=format, width=width,
height=height)
+
+ self.slug = book_info.url.slug
# Set box position.
self.box_position = book_info.cover_box_position or \
self.kind_box_position.get(book_info.kind, self.box_position)
self.bar_width = 0
else:
self.bar_color = book_info.cover_bar_color or \
- self.epoch_colors.get(book_info.epoch, self.bar_color)
+ self.get_variable_color(book_info) or self.bar_color
# Set title color.
- self.title_color = self.epoch_colors.get(book_info.epoch,
- self.title_color)
+ if self.set_title_color:
+ self.title_color = self.get_variable_color(book_info) or self.title_color
self.bleed = bleed
self.box_top_margin += bleed
if book_info.cover_url:
url = book_info.cover_url
bg_src = None
- if bg_src is None:
- bg_src = URLOpener().open(url)
- self.background_img = BytesIO(bg_src.read())
- bg_src.close()
+ while True:
+ try:
+ if bg_src is None:
+ import requests
+ bg_src = requests.get(url, timeout=5)
+ self.background_img = BytesIO(bg_src.content)
+ bg_src.close()
+ except Exception as e:
+ bg_src = None
+ print(e)
+ import time
+ time.sleep(1)
+ else:
+ break
+
+ def get_variable_color(self, book_info):
+ return self.epoch_colors.get(book_info.epoch, None)
def pretty_authors(self):
return [a.upper() for a in self.authors]
metr = Metric(self, self.scale)
# Write author name.
- box = TextBox(metr.title_box_width, metr.height,
- padding_y=metr.box_padding_y)
+ box = TextBox(metr.title_box_width - 2 * self.bleed, metr.height,
+ padding_y=metr.box_padding_y,
+ padding_x=metr.box_padding_x,
+ bar_width=metr.box_bar_width,
+ bar_color=self.bar_color,
+ )
author_font = ImageFont.truetype(
- self.author_font_ttf, metr.author_font_size)
+ self.author_font_ttf, metr.author_font_size,
+ layout_engine=ImageFont.Layout.BASIC)
for pa in self.pretty_authors():
box.text(pa, font=author_font, line_height=metr.author_lineskip,
- color=self.author_color, shadow_color=self.author_shadow)
+ color=self.author_color, shadow_color=self.author_shadow,
+ centering=self.author_centering
+ )
box.skip(metr.box_above_line)
box.draw.line(
# Write title.
title_font = ImageFont.truetype(
- self.title_font_ttf, metr.title_font_size)
+ self.title_font_ttf, metr.title_font_size,
+ layout_engine=ImageFont.Layout.BASIC)
box.text(self.pretty_title(),
line_height=metr.title_lineskip,
font=title_font,
color=self.title_color,
- shadow_color=self.title_shadow)
+ shadow_color=self.title_shadow,
+ centering=self.title_centering
+ )
box_img = box.image()
# Find box position.
- if self.box_position == 'top':
- box_top = metr.box_top_margin
- elif self.box_position == 'bottom':
+ if self.box_position == 'bottom' or box_img.size[1] + metr.box_top_margin + metr.box_bottom_margin > metr.height:
box_top = metr.height - metr.box_bottom_margin - box_img.size[1]
+ elif self.box_position == 'top':
+ box_top = metr.box_top_margin
else: # Middle.
box_top = (metr.height - box_img.size[1]) // 2
box_left = metr.bar_width + (
- metr.width - metr.bar_width - box_img.size[0]
+ metr.width - metr.bar_width - box_img.size[0] - self.bleed
) // 2
# Draw the white box.
- ImageDraw.Draw(img).rectangle(
+ img_draw = ImageDraw.Draw(img)
+ img_draw.rectangle(
(
box_left,
box_top,
)
# Paste the contents into the white box.
img.paste(box_img, (box_left, box_top), box_img)
+ if self.box_bar_width:
+ img_draw.rectangle(
+ (
+ box_left,
+ box_top,
+ box_left + metr.box_bar_width,
+ box_top + box_img.size[1]
+ ),
+ fill=self.bar_color
+ )
return img
def add_cut_lines(self, img):
trg_size[0],
int(round(src.size[1] * trg_size[0] / src.size[0]))
)
- cut = (resized[1] - trg_size[1]) // 2
- src = src.resize(resized, Image.ANTIALIAS)
+ if self.background_top:
+ cut = 0
+ else:
+ cut = (resized[1] - trg_size[1]) // 2
+ src = src.resize(resized, Image.Resampling.LANCZOS)
src = src.crop((0, cut, src.size[0], src.size[1] - cut))
else:
resized = (
trg_size[1],
)
cut = (resized[0] - trg_size[0]) // 2
- src = src.resize(resized, Image.ANTIALIAS)
+ src = src.resize(resized, Image.Resampling.LANCZOS)
src = src.crop((cut, 0, src.size[0] - cut, src.size[1]))
img.paste(src, (metr.bar_width, 0))
class LogoWLCover(WLCover):
gradient_height = 90
- gradient_logo_height = 60
+ gradient_easing = 90
+ gradient_logo_height = 57
+ gradient_logo_max_width = 200
gradient_logo_margin_right = 30
gradient_logo_spacing = 40
gradient_color = '#000'
'res/wl-logo-white.png',
'res/fnp-logo-white.png',
]
+ annotation = None
+ annotation_height = 10
- def __init__(self, book_info, *args, **kwargs):
+ logos_right = True
+ gradient_logo_centering = False
+
+ qrcode = None
+
+
+ def __init__(self, book_info, *args, cover_logo=None, **kwargs):
super(LogoWLCover, self).__init__(book_info, *args, **kwargs)
self.gradient_height += self.bleed
self.gradient_logo_margin_right += self.bleed
BytesIO(URLOpener().open(cover_logo_url).read())
for cover_logo_url in book_info.cover_logo_urls
]
+ self.end_cover_logos = []
+ if cover_logo:
+ self.additional_cover_logos.append(
+ open(cover_logo, 'rb')
+ )
- def image(self):
- img = super(LogoWLCover, self).image()
- metr = Metric(self, self.scale)
+ @property
+ def has_gradient_logos(self):
+ return self.gradient_logos or self.additional_cover_logos or self.end_cover_logos or self.annotation or self.qrcode is not None
+
+ def add_gradient_logos(self, img, metr):
gradient = Image.new(
'RGBA',
(metr.width - metr.bar_width, metr.gradient_height),
(metr.width - metr.bar_width, metr.gradient_height)
)
draw = ImageDraw.Draw(gradient_mask)
- for line in range(0, metr.gradient_height):
+ for line in range(0, metr.gradient_easing):
draw.line(
(0, line, metr.width - metr.bar_width, line),
fill=int(
- 255 * self.gradient_opacity * line / metr.gradient_height
+ 255 * self.gradient_opacity * line / metr.gradient_easing
)
)
+ draw.rectangle((
+ 0, metr.gradient_easing,
+ metr.width - metr.bar_width, metr.gradient_height
+ ), fill=int(255 * self.gradient_opacity))
+
+
img.paste(gradient,
(metr.bar_width, metr.height - metr.gradient_height),
mask=gradient_mask)
- cursor = metr.width - metr.gradient_logo_margin_right
+ if self.logos_right:
+ cursor = metr.width - metr.gradient_logo_margin_right
+ else:
+ cursor = metr.gradient_logo_margin_right
logo_top = int(
metr.height
- metr.gradient_height / 2
- - metr.gradient_logo_height / 2 - metr.bleed / 2
+ - metr.gradient_logo_height / 2 - metr.bleed
)
logos = [
get_resource(logo_path)
- for logo_path in self.gradient_logos[::-1]
+ for logo_path in self.gradient_logos
]
- logos = logos + self.additional_cover_logos
+
+ logos = self.additional_cover_logos + logos + self.end_cover_logos
+
logos = [
Image.open(logo_bytes).convert('RGBA')
for logo_bytes in logos
]
+ if self.qrcode is not None:
+ import qrcode
+ logos.append(qrcode.make(f'https://wolnelektury.pl/katalog/lektura/{self.slug}/?{self.qrcode}'))
+
+ if self.logos_right:
+ logos.reverse()
+
# See if logos fit into the gradient. If not, scale down accordingly.
space_for_logos = (
metr.width
- metr.bar_width
- - 2 * metr.gradient_logo_margin_right
+ - 2 * metr.gradient_logo_margin_right + self.bleed
)
widths = [
- logo.size[0] * metr.gradient_logo_height / logo.size[1]
+ min(
+ metr.gradient_logo_max_width,
+ logo.size[0] * metr.gradient_logo_height / logo.size[1]
+ )
for logo in logos]
- taken_space = (
- sum(widths)
- + (len(logos) - 1) * (metr.gradient_logo_spacing)
- )
+ taken_space = sum(widths) + (len(logos) - 1) * metr.gradient_logo_spacing
+ if taken_space > space_for_logos:
+ logo_scale = space_for_logos / taken_space
+ else:
+ logo_scale = 1
+ if self.gradient_logo_centering:
+ cursor += int((space_for_logos - taken_space) / 2)
logo_scale = (
space_for_logos / taken_space
if taken_space > space_for_logos else 1
)
- logo_top += int(metr.gradient_logo_height * (1 - logo_scale) / 2)
+ #logo_top += int(metr.gradient_logo_height * (1 - logo_scale) / 2)
for i, logo in enumerate(logos):
+ if i == -1:
+ L_scale = 1
+ else:
+ L_scale = logo_scale
+ L_top = logo_top + int(metr.gradient_logo_height * (1 - L_scale) / 2)
+
logo = logo.resize(
(
- int(round(widths[i] * logo_scale)),
- int(round(metr.gradient_logo_height * logo_scale))
+ int(round(widths[i] * L_scale)),
+ int(round(
+ logo.size[1] * widths[i] / logo.size[0] * L_scale
+ ))
),
- Image.ANTIALIAS)
- cursor -= logo.size[0]
- img.paste(logo, (cursor, logo_top), mask=logo)
- cursor -= int(round(metr.gradient_logo_spacing * logo_scale))
+ Image.Resampling.LANCZOS)
+ if self.logos_right:
+ cursor -= logo.size[0]
+
+ img.paste(
+ logo,
+ (
+ cursor,
+ L_top
+ #int(round(logo_top + (metr.gradient_logo_height - logo.size[1]) * L_scale / 2))
+ ),
+ mask=logo
+ )
+ if self.logos_right:
+ cursor -= int(round(metr.gradient_logo_spacing * logo_scale))
+ else:
+ cursor += int(round(metr.gradient_logo_spacing * logo_scale)) + logo.size[0]
+
+ if self.annotation:
+ img2 = Image.new('RGBA', (metr.height, metr.height), color=None)
+ draw = ImageDraw.Draw(img2)
+ author_font = ImageFont.truetype(
+ self.author_font_ttf, metr.annotation_height,
+ layout_engine=ImageFont.Layout.BASIC)
+ draw.text((self.annotation_height, self.annotation_height), self.annotation, font=author_font, fill='#FFFFFF')
+ img2.show()
+ img2 = img2.rotate(90)
+ img2.show()
+ img.putalpha(0)
+ img.alpha_composite(img2, (0, 0))
+ img = img.convert('RGB')
return img
+
+ def image(self):
+ img = super(LogoWLCover, self).image()
+ metr = Metric(self, self.scale)
+ if self.has_gradient_logos:
+ img = self.add_gradient_logos(img, metr)
+ return img
+
+
+class LegimiCover(LogoWLCover):
+ width = 210
+ height = 297
+ bar_width = 0
+ # Other bar
+
+ author_font_ttf = get_resource('fonts/Lora-Regular.ttf')
+ author_font_size = 15
+ author_lineskip = 19.5
+ author_centering = False
+ title_font_ttf = get_resource('fonts/Lora-Bold.ttf')
+ title_font_size = 15
+ title_lineskip = 19.5
+ title_centering = False
+
+ title_box_width = 210
+
+ box_bottom_margin = 20
+ box_padding_x = 20
+ box_padding_y = 10 # do baseline
+ box_above_line = 6
+ box_below_line = 0
+ box_line_left = 0
+ box_line_right = 0
+
+ box_line_width = 0
+
+ box_bar_width = 20
+
+ #logo_top = 15
+ #logo_width = 140
+
+ bar_color = '#000'
+ box_position = 'bottom'
+ background_color = '#444'
+ author_color = '#000'
+ title_color = '#000'
+ set_title_color = False
+
+ kind_box_position = {}
+
+ box_bottom_margin_logos_add = 10
+ gradient_height = 30
+ gradient_easing = 0
+ gradient_logo_height = 20
+ gradient_logo_max_width = 200
+ gradient_logo_margin_right = 10
+ gradient_logo_spacing = 20
+ gradient_color = '#000'
+ gradient_opacity = .5
+ gradient_logos = [
+ 'res/wl-logo-white.png',
+ ]
+ logos_right = False
+ gradient_logo_centering = True
+ background_top = True
+
+ genre_colors = {
+ 'Artykuł': '#bf001a',
+ 'Artykuł naukowy': '#bf001a',
+ 'Dziennik': '#bf001a',
+ 'Esej': '#bf001a',
+ 'Felieton': '#bf001a',
+ 'Kronika': '#bf001a',
+ 'List': '#bf001a',
+ 'Manifest': '#bf001a',
+ 'Odczyt': '#bf001a',
+ 'Pamiętnik': '#bf001a',
+ 'Poradnik': '#bf001a',
+ 'Praca naukowa': '#bf001a',
+ 'Publicystyka': '#bf001a',
+ 'Reportaż': '#bf001a',
+ 'Reportaż podróżniczy': '#bf001a',
+ 'Rozprawa': '#bf001a',
+ 'Rozprawa polityczna': '#bf001a',
+ 'Traktat': '#bf001a',
+ }
+ kind_colors = {
+ 'Epika': '#9bbb2b',
+ 'Liryka': '#3e626f',
+ 'Dramat': '#ecbe00',
+ }
+
+ def __init__(self, *args, **kwargs):
+ super().__init__(*args, **kwargs)
+ if self.has_gradient_logos:
+ self.box_bottom_margin += self.box_bottom_margin_logos_add
+
+ def pretty_authors(self):
+ return self.authors
+
+ def get_variable_color(self, book_info):
+ for genre in book_info.genres:
+ if genre in self.genre_colors:
+ return self.genre_colors[genre]
+ for kind in book_info.kinds:
+ if kind in self.kind_colors:
+ return self.kind_colors[kind]
+
+class LegimiCornerCover(LegimiCover):
+ gradient_logos = []
+ corner_width = 120
+ corner_image = get_resource('res/book-band.png')
+
+ def image(self):
+ image = super().image()
+ metr = Metric(self, self.scale)
+
+ if self.corner_image:
+ corner = Image.open(self.corner_image).convert('RGBA')
+ corner = corner.resize(
+ (
+ int(round(metr.corner_width)),
+ int(round(corner.size[1] / corner.size[0] * metr.corner_width))
+ )
+ )
+ image.paste(corner, (
+ metr.width - int(round(metr.corner_width)),
+ 0,
+ ), corner)
+ return image
+
+class LegimiAudiobookCover(LegimiCornerCover):
+ corner_width = 82.5
+ corner_image = get_resource('res/audiobook-sticker.png')
+ height = 210
class EbookpointCover(LogoWLCover):
title_font_size = 50
def pretty_title(self):
- return u"„%s”" % self.title
+ return "„%s”" % self.title
class BookotekaCover(Cover):
class MPWCover(LogoWLCover):
- gradient_logo_height = 58
+ gradient_logo_height = 57
gradient_logo_spacing = 25
gradient_logos = [
'res/mpw-logo-white.png',
]
+class BNCover(LogoWLCover):
+ gradient_logos = [
+ 'res/dofinansowano.png',
+ 'res/MKIDN.jpg',
+ 'res/BN.png',
+ 'res/wl-logo-white.png',
+ ]
+# annotation = 'Zadanie „Udostępnienie publikacji w formatach cyfrowych” w ramach Narodowego Programu Rozwoju Czytelnictwa. Dofinansowano ze środków Ministra Kultury, Dziedzictwa Narodowego i Sportu.'
+
+
+class FactoryCover(LogoWLCover):
+ gradient_logos = [
+ 'res/factory.jpg',
+ 'res/wl-logo-white.png',
+ ]
+ qrcode = 'pk_campaign=factory22'
+ format = 'PNG'
+
+ def __init__(self, *args, **kwargs):
+ kwargs.setdefault('bleed', 10)
+ return super().__init__(*args, **kwargs)
+
+ def ext(self):
+ return 'pdf'
+
+ def output_file(self, *args, **kwargs):
+ imgfile = super().output_file(*args, **kwargs)
+ import subprocess
+ import tempfile
+ with tempfile.TemporaryDirectory(prefix='factory-', dir='.') as d:
+ import os
+ import shutil
+ with open(d + '/cover.png', 'wb') as f:
+ f.write(imgfile.get_bytes())
+ shutil.copy(get_resource('res/factory-cover.svg'), d)
+ subprocess.call(['inkscape', f'--export-filename={d}/cover.pdf', d + '/factory-cover.svg'])
+ with open(d + '/cover.pdf', 'rb') as f:
+ return OutputFile.from_bytes(f.read())
+
+
+
+from librarian.covers.marquise import MarquiseCover, LabelMarquiseCover
+
COVER_CLASSES = {
- 'default': LogoWLCover,
+ 'legacy': LogoWLCover,
'kmlu': KMLUCover,
'mpw': MPWCover,
'atrium': AtriumCover,
+ 'bn': BNCover,
+ 'legimi': LegimiCover,
+ 'legimi-corner': LegimiCornerCover,
+ 'legimi-audiobook': LegimiAudiobookCover,
+ 'factory': FactoryCover,
+ 'm': MarquiseCover,
+ 'm-label': LabelMarquiseCover,
+ 'default': MarquiseCover,
}
def make_cover(book_info, *args, **kwargs):
+ cover_class_name = None
if 'cover_class' in kwargs:
cover_class_name = kwargs.pop('cover_class')
- else:
- cover_class_name = book_info.cover_class
+ if not cover_class_name:
+ cover_class_name = 'default'
cover_class = COVER_CLASSES[cover_class_name]
return cover_class(book_info, *args, **kwargs)
fnp / librarian.git / blobdiff