Java Color Lighten lighterColor(Color c, double amount)

Description

lighter Color

License

Open Source License

Declaration

public static Color lighterColor(Color c, double amount) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Breakout Cave Survey Visualizer//w  ww.  j a  v a 2  s . c  o  m
 *
 * Copyright (C) 2014 James Edwards
 *
 * jedwards8 at fastmail dot fm
 *
 * 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 {
    public static Color lighterColor(Color c, double amount) {
        return darkerColor(c, -amount);
    }

    public static Color darkerColor(Color c, double amount) {
        float[] hsbvals = new float[3];
        Color.RGBtoHSB(c.getRed(), c.getGreen(), c.getBlue(), hsbvals);
        hsbvals[2] = Math.min(1f, Math.max(0f, (float) (hsbvals[2] - amount)));
        int rgb = Color.HSBtoRGB(hsbvals[0], hsbvals[1], hsbvals[2]);
        rgb |= c.getAlpha() << 24;
        return new Color(rgb, true);
    }
}

Related

1. lighter(Color clr, double saturationFraction)
2. lighter(Color color, double fraction)
3. lighter(Color color, float ratio)
4. lighter(final Color color, final int rgbOffset)
5. lighter(final Color color, float factor)
6. lighterColor(Color lineColor, int adj)