get Contrast Color - Java 2D Graphics

Java examples for 2D Graphics:Color

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Description

get Contrast Color

Demo Code

/*/*from   w  w w.j a v a2  s.  c  o  m*/
 *  Copyright (C) 2013, Peter Decsi.
 * 
 *  This library is free software: you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public 
 *  License as published by the Free Software Foundation, either 
 *  version 3 of the License, or (at your option) any later version.
 * 
 *  This library 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 Lesser General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
//package com.java2s;
import java.awt.Color;

public class Main {
    public static Color getContrastColor(Color color) {
        int r = color.getRed();
        int g = color.getGreen();
        int b = color.getBlue();
        int yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
        return (yiq >= 128) ? Color.BLACK : Color.WHITE;
    }
}

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