Java BufferedImage Flip flip(BufferedImage myImage, int type)

Description

flip

License

Open Source License

Declaration

public static BufferedImage flip(BufferedImage myImage, int type) 

Method Source Code

//package com.java2s;
/*//from w w w  .j a  v a  2  s.  c  om
 * Gestalt
 *
 * Copyright (C) 2012 Patrick Kochlik + Dennis Paul
 *
 * 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
 * {@link http://www.gnu.org/licenses/lgpl.html}
 *
 */

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

public class Main {
    public static final int HORIZONTAL = 0;
    public static final int VERTICAL = 1;

    public static BufferedImage flip(BufferedImage myImage, int type) {
        AffineTransform tx;
        AffineTransformOp op;
        switch (type) {
        case HORIZONTAL:
            tx = AffineTransform.getScaleInstance(-1, 1);
            tx.translate(-myImage.getWidth(), 0);
            op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
            myImage = op.filter(myImage, null);
            break;
        case VERTICAL:
            tx = AffineTransform.getScaleInstance(1, -1);
            tx.translate(0, -myImage.getHeight());
            op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
            myImage = op.filter(myImage, null);
            break;
        default:
            break;
        }
        return myImage;
    }

    public static BufferedImage filter(final BufferedImage image, BufferedImageOp op) {
        BufferedImage filteredImage = new BufferedImage(image.getWidth(), image.getHeight(), image.getType());
        op.filter(image, filteredImage);
        return filteredImage;
    }
}

Related

1. flip(BufferedImage image, boolean flipHorizontal, boolean flipVertical)
2. flip(BufferedImage image, int direction)
3. flipAroundX(BufferedImage image)
4. flipBothVerticallyAndHorizontallyWithAffineTransformOp(BufferedImage srcImage)
5. flipBufferedImage(BufferedImage bufferedImage)
6. flipBufferedImageVertically(BufferedImage bufferedImage)