Java BufferedImage Invert invertImage(final BufferedImage savedImage)

Description

invert Image

License

Open Source License

Declaration

public static BufferedImage invertImage(final BufferedImage savedImage) 

Method Source Code

//package com.java2s;
/*/*from w w w .  j a  va  2s.  co m*/
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/support/
 *
 * (C) Copyright 1997-2016 IDRsolutions and Contributors.
 *
 * This file is part of JPedal/JPDF2HTML5
 *
 This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
    
This library 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
Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
    
 *
 * ---------------
 * ImageUtils.java
 * ---------------
 */

import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;

public class Main {
    public static BufferedImage invertImage(final BufferedImage savedImage) {

        final BufferedImage invertedImage;

        AffineTransform tx = AffineTransform.getScaleInstance(1, -1);
        tx.translate(0, -savedImage.getHeight(null));
        AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
        invertedImage = op.filter(savedImage, null);

        return invertedImage;
    }
}

Related

1. invert(BufferedImage inImg)
2. invertImage(BufferedImage image)
3. invertImage(BufferedImage image)
4. invertImage(BufferedImage img, boolean newImage)