Java Color Blend blendcol(Color in, Color bl)

Description

blendcol

License

LGPL

Declaration

public static Color blendcol(Color in, Color bl) 

Method Source Code

//package com.java2s;
/*// w  w w  . j  a  v  a 2 s . co  m
 *  This file is part of the Haven & Hearth game client.
 *  Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
 *                     Bj?rn Johannessen <johannessen.bjorn@gmail.com>
 *
 *  Redistribution and/or modification of this file is subject to the
 *  terms of the GNU Lesser General Public License, version 3, as
 *  published by the Free Software Foundation.
 *
 *  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.
 *
 *  Other parts of this source tree adhere to other copying
 *  rights. Please see the file `COPYING' in the root directory of the
 *  source tree for details.
 *
 *  A copy the GNU Lesser General Public License is distributed along
 *  with the source tree of which this file is a part in the file
 *  `doc/LPGL-3'. If it is missing for any reason, please see the Free
 *  Software Foundation's website at <http://www.fsf.org/>, or write
 *  to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 *  Boston, MA 02111-1307 USA
 */

import java.awt.Color;

public class Main {
    public static Color blendcol(Color in, Color bl) {
        int f1 = bl.getAlpha();
        int f2 = 255 - bl.getAlpha();
        return (new Color(((in.getRed() * f2) + (bl.getRed() * f1)) / 255,
                ((in.getGreen() * f2) + (bl.getGreen() * f1)) / 255,
                ((in.getBlue() * f2) + (bl.getBlue() * f1)) / 255, in.getAlpha()));
    }

    public static Color blendcol(Color x, Color y, double a) {
        int f1 = (int) (a * 255), f2 = 255 - f1;
        return (new Color(((x.getRed() * f2) + (y.getRed() * f1)) / 255,
                ((x.getGreen() * f2) + (y.getGreen() * f1)) / 255, ((x.getBlue() * f2) + (y.getBlue() * f1)) / 255,
                ((x.getAlpha() * f2) + (y.getAlpha() * f1)) / 255));
    }
}

Related

1. blend(Color pColor, Color pOther)
2. blend(double factor, Color color1, Color color2)
3. blend(final Color color1, final Color color2, final double ratio)
4. blend(final Color first, final Color second, final float alpha)
5. blendAlpha(Color under, Color over)
6. blendColor(Color clOne, Color clTwo, double amount)
7. blendColorKeepAlpha(Color source, Color dest)
8. blendColors(Color color, Color color1, double d)
9. blendColors(Color from, Color to, double toFraction)