X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/4f31482d58fe94543f4aed58dcd8168083f2a1d6..ddeba8a8483dc73d0103030afe46fc5bce51d8a0:/src/librarian/covers/widgets/background.py diff --git a/src/librarian/covers/widgets/background.py b/src/librarian/covers/widgets/background.py index 8c9e03b..98adf05 100644 --- a/src/librarian/covers/widgets/background.py +++ b/src/librarian/covers/widgets/background.py @@ -1,3 +1,6 @@ +# This file is part of Librarian, licensed under GNU Affero GPLv3 or later. +# Copyright © Fundacja Wolne Lektury. See NOTICE for more information. +# import io import time from urllib.request import urlopen @@ -8,7 +11,12 @@ from .base import Widget class Background(Widget): transparency = False + def __init__(self, cover, crop_to_square=True): + self.crop_to_square = crop_to_square + super().__init__(cover) + def setup(self): + self.img = None if self.cover.book_info.cover_url: while True: try: @@ -20,23 +28,32 @@ class Background(Widget): img = PIL.Image.open(data) - # crop top square. - if img.size[1] > img.size[0]: - img = img.crop((0, 0, img.size[0], img.size[0])) - else: - left = round((img.size[0] - img.size[1])/2) - img = img.crop(( - left, - 0, - left + img.size[1], - img.size[1] - )) + if self.crop_to_square: + # crop top square. + if img.size[1] > img.size[0]: + img = img.crop((0, 0, img.size[0], img.size[0])) + else: + left = round((img.size[0] - img.size[1])/2) + img = img.crop(( + left, + 0, + left + img.size[1], + img.size[1] + )) self.img = img def build(self, w, h): - kwadrat = round(max(w, h)) + if not self.img: + return img = self.img - img = self.img.resize((kwadrat, kwadrat)) + scale = max( + w / img.size[0], + h / img.size[1] + ) + img = self.img.resize(( + round(scale * img.size[0]), + round(scale * img.size[1]), + )) img = img.crop(( int((img.size[0] - w) / 2), 0,