Java Color Brighten brightness(java.awt.Color c)

Description

brightness

License

Educational Community License

Declaration

public static final float brightness(java.awt.Color c) 

Method Source Code

//package com.java2s;
/*// w  w  w . ja  v a 2s. c  o  m
* Copyright 2003-2010 Tufts University  Licensed under the
 * Educational Community License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may
 * obtain a copy of the License at
 * 
 * http://www.osedu.org/licenses/ECL-2.0
 * 
 * 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.
 */

public class Main {
    public static final float brightness(java.awt.Color c) {

        if (c == null)
            return 0;

        final int r = c.getRed();
        final int g = c.getGreen();
        final int b = c.getBlue();

        int max = (r > g) ? r : g;
        if (b > max)
            max = b;

        return ((float) max) / 255f;
    }
}

Related

1. brighter(Color color, double factor)
2. brighter(Color color, float factor)
3. brighterColor(Color c)
4. brighterColor(String hexValue)
5. brightness(Color c, float scale)
6. brightnessToAlpha(Image image, float alpha)
7. changeBrightness(Color c, int percent)
8. changeColorBrightness(final Color color, final double delta)
9. deriveByBrightness(Color original, Color brightnessSource)