Java Color Darker makeDarker(final Color color, final double percentage)

Description

make Darker

License

Open Source License

Parameter

Parameter	Description
color	The color to lighten
percentage	to be added to the current value 0.0 > val < 1.0

Declaration

public static Color makeDarker(final Color color, final double percentage) 

Method Source Code

//package com.java2s;
/* Copyright (C) 2015, University of Kansas Center for Research
 * /*from ww  w. j  a v  a  2s  .  co m*/
 * Specify Software Project, specify@ku.edu, Biodiversity Institute,
 * 1345 Jayhawk Boulevard, Lawrence, Kansas, 66045, USA
 * 
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

import java.awt.Color;

public class Main {
    /**
     * @param color The color to lighten
     * @param percentage to be added to the current value 0.0 > val < 1.0
     * @return
     */
    public static Color makeDarker(final Color color, final double percentage) {
        int r = Math.max(color.getRed() - (int) (color.getRed() * percentage), 0);
        int g = Math.max(color.getGreen() - (int) (color.getGreen() * percentage), 0);
        int b = Math.max(color.getBlue() - (int) (color.getBlue() * percentage), 0);
        return new Color(r, g, b);
    }
}

Related

1. getDarkerColor(Color color)
2. getDarkerColor(Color color, double diff)
3. getDarkerLine(Color c, float alternateRowDarkerFactor)
4. getLineDarkColor()
5. initializePattern(Color light, Color dark)
6. reallyDark(Color c)
7. setColorsDarkTheme()
8. slightlyDarker(Color color)
9. withAlphaAdjustingDarkness(Color c, double d)