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34 lines
1.2 KiB
C#
34 lines
1.2 KiB
C#
// The CMLeonOS Project (https://github.com/Leonmmcoset/CMLeonOS)
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// Copyright (C) 2025-present LeonOS 2 Developer Team
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using System.Drawing;
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namespace CMLeonOS.Gui.UILib
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{
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internal static class Extensions
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{
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internal static float GetLuminance(this Color color)
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{
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return (float)((color.R * 0.2126) + (color.G * 0.7152) + (color.B * 0.0722));
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}
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internal static Color GetForegroundColour(this Color color)
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{
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return color.GetLuminance() < 140 ? Color.White : Color.Black;
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}
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}
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}
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