Inverts image color. - Java 2D Graphics

Java examples for 2D Graphics:BufferedImage Color

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Description

Inverts image color.

Demo Code

/**/*from  w  w w .j  av a 2 s.  c o m*/
 * Copyright @ 2008 Quan Nguyen
 *
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-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.
 */
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.Toolkit;
import java.awt.Transparency;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.image.*;
import javax.imageio.IIOImage;

public class Main{
    private static final short[] invertTable;
    /**
     * Inverts image color.
     *
     * @param image input image
     * @return an inverted-color image
     */
    public static BufferedImage invertImageColor(BufferedImage image) {
        BufferedImage tmp = new BufferedImage(image.getWidth(),
                image.getHeight(), image.getType());
        BufferedImageOp invertOp = new LookupOp(new ShortLookupTable(0,
                invertTable), null);
        return invertOp.filter(image, tmp);
    }
}

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