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#!/usr/bin/env python3
# Copyright 2022-2023 The Mumble Developers. All rights reserved.
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file at the root of the
# Mumble source tree or at <https://www.mumble.info/LICENSE>.
# Requires to install cairosvg: pip3 install cairosvg
import cairosvg
import argparse
import pathlib
import os
import sys
import tempfile
import subprocess
from distutils.spawn import find_executable
def main():
repoRoot = pathlib.Path(__file__).absolute().parent.parent
parser = argparse.ArgumentParser(description="This program generates the mumble.ico icon")
parser.add_argument("--small-svg", help="Path to the SVG that is to be used for the very small icon sizes", metavar="PATH",
default=pathlib.Path.joinpath(repoRoot, "icons/mumble_small.svg"))
parser.add_argument("--regular-svg", help="Path to the SVG that is to be used for the normal and large icon sizes", metavar="PATH",
default=pathlib.Path.joinpath(repoRoot, "icons/mumble.svg"))
parser.add_argument("--output", help="Path to where the resulting ico file should be written", metavar="PATH",
default=pathlib.Path.joinpath(repoRoot, "icons/mumble.ico"))
args = parser.parse_args()
convert_bin = find_executable("convert")
if convert_bin is None:
print("[ERROR]: The \"convert\" CLI program does not seem to be installed or is not in PATH")
print("(convert is part of the ImageMagick tools)")
sys.exit(1)
try:
subprocess.run([convert_bin, "--help"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
except Exception as e:
print("[ERROR]: %s can't be executed: %s" % (convert_bin, e))
sys.exit(1)
for current in [args.small_svg, args.regular_svg]:
if not os.path.isfile(current):
print("[ERROR]: \"%s\" does not exist or is not a file" % current)
sys.exit(1)
small_svg = open(args.small_svg, "r").read()
regular_svg = open(args.regular_svg, "r").read()
# First, generate the PNGs in the necessary sizes
images = []
for currentSize in [16, 24, 32, 48, 64, 96, 128, 256]:
outputPath = os.path.join(tempfile.gettempdir(), "mumble_%dx%d.png" % (currentSize, currentSize))
cairosvg.svg2png(bytestring = small_svg if currentSize < 32 else regular_svg, output_width = currentSize, output_height = currentSize,
write_to = outputPath)
images.append(outputPath)
# Now use the convert CLI utility to combine these PNGs into a .ico file
subprocess.run([convert_bin, *images, args.output])
print("Wrote %s" % args.output)
if __name__ == "__main__":
main()
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