// The CMLeonOS Project (https://github.com/Leonmmcoset/CMLeonOS)
// Copyright (C) 2025-present LeonOS 2 Developer Team
// 
// 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 <https://www.gnu.org/licenses/>.

using System.Drawing;

namespace CMLeonOS.Gui.UILib
{
    internal static class Extensions
    {
        internal static float GetLuminance(this Color color)
        {
            return (float)((color.R * 0.2126) + (color.G * 0.7152) + (color.B * 0.0722));
        }

        internal static Color GetForegroundColour(this Color color)
        {
            return color.GetLuminance() < 140 ? Color.White : Color.Black;
        }
    }
}