Java Color Blend blend(Color color1, Color color2, int factor)

Description

Blend two colors.

License

Apache License

Parameter

Parameter	Description
color1	the first color
color2	the second color
factor	the balance factor that assigns a "priority" to the passed colors 0 returns the first color, 256 returns the second color

Return

the blended color

Declaration

public static Color blend(Color color1, Color color2, int factor) 

Method Source Code

//package com.java2s;
/*/*from  w  w  w.  java  2  s .c o  m*/
 * ColorUtils.java
 *
 * This file is part of SQL Workbench/J, http://www.sql-workbench.net
 *
 * Copyright 2002-2017, Thomas Kellerer
 *
 * Licensed under a modified Apache License, Version 2.0
 * that restricts the use for certain governments.
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at.
 *
 *     http://sql-workbench.net/manual/license.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * To contact the author please send an email to: support@sql-workbench.net
 *
 */

import java.awt.Color;

public class Main {
    /**
     * Blend two colors.
     *
     * Taken from: From: http://www.java-gaming.org/index.php?topic=21434.0
     *
     * @param color1   the first color
     * @param color2   the second color
     * @param factor   the balance factor that assigns a "priority" to the passed colors
     *                 0 returns the first color, 256 returns the second color
     *
     * @return the blended color
     */
    public static Color blend(Color color1, Color color2, int factor) {
        if (color2 == null)
            return color1;

        if (factor <= 0)
            return color1;
        if (factor >= 256)
            return color2;
        if (color1 == null)
            return color2;

        int f1 = 256 - factor;
        int c1 = color1.getRGB();
        int c2 = color2.getRGB();
        int blended = ((((c1 & 0xFF00FF) * f1 + (c2 & 0xFF00FF) * factor) & 0xFF00FF00)
                | (((c1 & 0x00FF00) * f1 + (c2 & 0x00FF00) * factor) & 0x00FF0000)) >>> 8;
        return new Color(blended);
    }
}

Related

1. blend(Color c1, Color c2)
2. blend(Color c1, Color c2, double v)
3. blend(Color cFrom, Color cTo, float factor)
4. blend(Color col1, Color col2, float weight1)
5. blend(Color color1, Color color2, float ratio)
6. blend(Color origin, Color over)
7. blend(Color pColor, Color pOther)
8. blend(double factor, Color color1, Color color2)
9. blend(final Color color1, final Color color2, final double ratio)