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#!/usr/bin/python3
#
# Create Deluge PNG icons from SVG
#
# Required image tools:
# * rsvg-convert
# * convert (ImageMagik)
# * oxipng
# * pngquant
#
import shutil
import subprocess
from dataclasses import dataclass, field
from pathlib import Path
@dataclass
class IconPack:
name: str
dir: Path
icon_sizes: list[int]
panel_sizes: list[int]
ico_sizes: list[int]
pixmaps_dir: Path = field(init=False)
theme_dir: Path = field(init=False)
theme_svg: Path = field(init=False)
theme_pngs: dict[int, Path] = field(init=False)
logo_svg: Path = field(init=False)
logo_ico: Path = field(init=False)
logo_png: Path = field(init=False)
def __post_init__(self):
self.pixmaps_dir = self.dir / 'pixmaps'
self.logo_svg = self.pixmaps_dir / f'{self.name}.svg'
self.logo_ico = self.pixmaps_dir / f'{self.name}.ico'
self.logo_png = self.pixmaps_dir / f'{self.name}.png'
self.theme_dir = self.dir / 'icons' / 'hicolor'
self.theme_svg = self.theme_dir / 'scalable' / 'apps' / f'{self.name}.svg'
self.theme_pngs = self.create_theme_pngs_paths(
self.name, self.icon_sizes, self.theme_dir
)
@staticmethod
def create_theme_pngs_paths(name, icon_sizes, out_dir):
return {
size: out_dir / f'{size}x{size}' / 'apps' / f'{name}.png'
for size in icon_sizes
}
@dataclass
class WebIconPack:
name: str
dir: Path
icon_sizes: list[int]
favicon_sizes: list[int]
icons_dir: Path = field(init=False)
touch: Path = field(init=False)
favicon: Path = field(init=False)
def __post_init__(self):
self.icons_dir = self.dir / 'icons'
self.touch = self.icons_dir / f'{self.name}-apple-180.png'
self.favicon = self.icons_dir / 'favicon.ico'
def convert_svg_to_png(svg_file, png_file, size, background_color=None):
rsvg_options = [
'-w',
str(size),
'-h',
str(size),
'-o',
png_file,
]
rsvg_options + ['-b', {background_color}] if background_color else []
subprocess.run(['rsvg-convert'] + rsvg_options + [svg_file], check=True)
def compress_png(png_file):
subprocess.run(
['pngquant', '--quality=70-95', '--ext', '.png', '--force', png_file],
check=True,
)
subprocess.run(['oxipng', png_file], check=True)
def create_panel_icons(icon_pack, sizes):
for size in sizes:
app_png = icon_pack[size]
panel_png = app_png.with_name(f'{app_png.stem}-panel.png')
shutil.copyfile(app_png, panel_png)
def create_hicolor_icons(svg_icon, icon_pack):
"""Convert SVG icon to hicolor PNG icons."""
for size, png_file in icon_pack.items():
png_file.parent.mkdir(parents=True, exist_ok=True)
convert_svg_to_png(svg_icon, png_file, size)
compress_png(png_file)
def create_ico_icon(icon_pack, sizes, ico_file):
infiles = [icon_pack[size] for size in sizes]
ico_file.parent.mkdir(parents=True, exist_ok=True)
subprocess.run(['convert', *infiles, ico_file], check=True)
def create_hicolor_svg(src_svg, dest_svg):
dest_svg.parent.mkdir(parents=True, exist_ok=True)
shutil.copyfile(src_svg, dest_svg)
def create_mini_icons(pixmaps_dir):
pixmap_svgs = pixmaps_dir.glob('*.svg')
for svg_file in pixmap_svgs:
png_file = pixmaps_dir / f'{svg_file.stem}16.png'
convert_svg_to_png(svg_file, png_file, 16)
compress_png(png_file)
def create_logo(deluge_png, pixmap_png):
pixmap_png.parent.mkdir(parents=True, exist_ok=True)
shutil.copyfile(deluge_png, pixmap_png)
def create_web_status_icons(src_dir: Path, dest_dir: Path):
"""Web UI status icons from 16px icons."""
pngs_16px = src_dir.glob('*16.png')
dest_dir.mkdir(parents=True, exist_ok=True)
for path in pngs_16px:
if path.stem.startswith('tracker'):
continue
new_name = path.stem.replace('16', '') + '.png'
shutil.copyfile(path, dest_dir / new_name)
def create_touch_icon(svg_file, png_file, size):
"""Web icons with background color for Apple or Android"""
png_file.parent.mkdir(parents=True, exist_ok=True)
convert_svg_to_png(svg_file, png_file, size, background_color='#599EEE')
compress_png(png_file)
def create_web_icons(app_pngs, sizes, dest_dir):
dest_dir.mkdir(parents=True, exist_ok=True)
for size in sizes:
app_png = app_pngs[size]
web_png = dest_dir / f'{app_png.stem}-{size}.png'
shutil.copyfile(app_png, web_png)
def main():
data_dir = Path.cwd() / 'deluge' / 'ui' / 'data'
if not data_dir.is_dir():
exit(f'No path to UI data dir: {data_dir}')
# Create Deluge UI icons
icon_pack_sizes = [16, 22, 24, 32, 36, 48, 64, 72, 96, 128, 192, 256, 512]
panel_icon_sizes = [16, 22, 24]
ico_icon_sizes = [16, 32, 48, 64, 128, 256]
ui_icons = IconPack(
name='deluge',
dir=data_dir,
icon_sizes=icon_pack_sizes,
panel_sizes=panel_icon_sizes,
ico_sizes=ico_icon_sizes,
)
# Theme icons for GTK
create_hicolor_icons(ui_icons.logo_svg, ui_icons.theme_pngs)
create_hicolor_svg(ui_icons.logo_svg, ui_icons.theme_svg)
create_mini_icons(ui_icons.pixmaps_dir)
# Panel icon for systray
create_panel_icons(ui_icons.theme_pngs, ui_icons.panel_sizes)
# Deluge logos
create_ico_icon(ui_icons.theme_pngs, ui_icons.ico_sizes, ui_icons.logo_ico)
create_logo(ui_icons.theme_pngs[48], ui_icons.logo_png)
# Web UI Icons
web_icon_sizes = [32, 192, 512]
favicon_sizes = [16, 32, 48]
web_icons = WebIconPack(
name='deluge',
dir=data_dir / '..' / 'web',
icon_sizes=web_icon_sizes,
favicon_sizes=favicon_sizes,
)
create_web_icons(ui_icons.theme_pngs, web_icons.icon_sizes, web_icons.icons_dir)
create_web_status_icons(ui_icons.pixmaps_dir, web_icons.icons_dir)
create_touch_icon(ui_icons.logo_svg, web_icons.touch, 180)
create_ico_icon(ui_icons.theme_pngs, web_icons.favicon_sizes, web_icons.favicon)
if __name__ == '__main__':
main()
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