Java Image Brighten brighten(BufferedImage bufferedImage, float amount)

Description

brighten

License

Open Source License

Declaration

public static BufferedImage brighten(BufferedImage bufferedImage, float amount) 

Method Source Code

//package com.java2s;
/**//from  w w w .j  ava2s. co m
 *                    
 * @author greg (at) myrobotlab.org
 *  
 * This file is part of MyRobotLab (http://myrobotlab.org).
 *
 * MyRobotLab 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 (subject to the "Classpath" exception
 * as provided in the LICENSE.txt file that accompanied this code).
 *
 * MyRobotLab is distributed in the hope that it will be useful or fun,
 * 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.
 *
 * All libraries in thirdParty bundle are subject to their own license
 * requirements - please refer to http://myrobotlab.org/libraries for 
 * details.
 * 
 * Enjoy !
 * 
 * */

import java.awt.image.BufferedImage;

import java.awt.image.RescaleOp;

public class Main {
    public static BufferedImage brighten(BufferedImage bufferedImage, float amount) {
        // brighten 30% = 1.3f darken by 10% = .9f
        RescaleOp op = new RescaleOp(amount, 0, null);
        bufferedImage = op.filter(bufferedImage, null);
        return bufferedImage;
    }
}

Related

1. brighten(BufferedImage image)
2. brighten(BufferedImage src, float offset)
3. brightenImage(BufferedImage image, float brigtness, float offset)
4. brightenImage(BufferedImage srcImg)