Files
cartridges/src/game_cover.py
2023-05-05 17:40:22 +02:00

132 lines
4.2 KiB
Python

# game_cover.py
#
# Copyright 2022-2023 kramo
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0-or-later
from gi.repository import GdkPixbuf, Gio, GLib
from PIL import Image, ImageFilter, ImageStat
class GameCover:
pixbuf = None
blurred = None
luminance = None
path = None
animation = None
anim_iter = None
placeholder_pixbuf = GdkPixbuf.Pixbuf.new_from_resource_at_scale(
"/hu/kramo/Cartridges/library_placeholder.svg", 400, 600, False
)
def __init__(self, pictures, path=None):
self.pictures = pictures
self.new_cover(path)
# Wrap the function in another one as Gio.Task.run_in_thread does not allow for passing args
def create_func(self, path):
self.animation = GdkPixbuf.PixbufAnimation.new_from_file(str(path))
self.anim_iter = self.animation.get_iter()
def wrapper(task, *_args):
self.update_animation((task, self.animation))
return wrapper
def new_cover(self, path=None):
self.animation = None
self.pixbuf = None
self.blurred = None
self.luminance = None
self.path = path
if path:
if path.suffix == ".gif":
task = Gio.Task.new()
task.run_in_thread(self.create_func(self.path))
else:
self.pixbuf = GdkPixbuf.Pixbuf.new_from_file(str(path))
if not self.animation:
self.set_pixbuf(self.pixbuf)
def get_pixbuf(self):
return self.animation.get_static_image() if self.animation else self.pixbuf
def get_blurred(self):
if not self.blurred:
if self.path:
with Image.open(self.path) as image:
image = (
image.convert("RGB")
.resize((100, 150))
.filter(ImageFilter.GaussianBlur(20))
)
tmp_path = Gio.File.new_tmp(None)[0].get_path()
image.save(tmp_path, "tiff", compression=None)
self.blurred = GdkPixbuf.Pixbuf.new_from_file(tmp_path)
stat = ImageStat.Stat(image.convert("L"))
# Luminance values for light and dark mode
self.luminance = (
(stat.mean[0] + stat.extrema[0][0]) / 510,
(stat.mean[0] + stat.extrema[0][1]) / 510,
)
else:
self.blurred = GdkPixbuf.Pixbuf.new_from_resource_at_scale(
"/hu/kramo/Cartridges/library_placeholder.svg", 2, 3, False
)
self.luminance = (0.5, 0.5)
return self.blurred
def add_picture(self, picture):
self.pictures.add(picture)
if not self.animation:
self.set_pixbuf(self.pixbuf)
def set_pixbuf(self, pixbuf):
self.pictures.discard(
picture for picture in self.pictures if not picture.is_visible()
)
if not self.pictures:
self.animation = None
else:
for picture in self.pictures:
if not pixbuf:
pixbuf = self.placeholder_pixbuf
picture.set_pixbuf(pixbuf)
def update_animation(self, data):
if self.animation == data[1]:
self.anim_iter.advance()
self.set_pixbuf(self.anim_iter.get_pixbuf())
delay_time = self.anim_iter.get_delay_time()
GLib.timeout_add(
20 if delay_time < 20 else delay_time,
self.update_animation,
data,
)
else:
data[0].return_value(False)