#!/bin/bash

# Copyright (c) 2025 Private Internet Access, Inc.
#
# This file is part of the Private Internet Access Desktop Client.
#
# The Private Internet Access Desktop Client 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.
#
# The Private Internet Access Desktop Client 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 the Private Internet Access Desktop Client.  If not, see
# <https://www.gnu.org/licenses/>.

# Convert all pngs to grey scale
for f in $(find . -name '*.png' ! -name '*-offline*.png' -print); do
    greyName="$(basename $f .png)-offline.png"
    echo "Converting $f to greyscale: ${greyName}"
    convert "$f" -channel RGB -separate -average -level -20%,110% "$greyName"
done
