Java BufferedImage Operation appendImages(BufferedImage leftImage, BufferedImage rightImage)

Description

Appends rightImage to the right side of leftImage.

License

Apache License

Parameter

Parameter	Description
leftImage	first image, must not be null
rightImage	second image that is appended to the right side of leftImage, must not be null

Return

appended image

Declaration

public static BufferedImage appendImages(BufferedImage leftImage, BufferedImage rightImage) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2014 Katja Hahn/* ww w . j  a v  a2 s .c  o  m*/
 * 
 * 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.image.BufferedImage;
import com.google.common.base.Preconditions;

public class Main {
    /**
     * Appends rightImage to the right side of leftImage.
     * <p>
     * The resulting image type is one of leftImage.
     * 
     * @param leftImage
     *            first image, must not be null
     * @param rightImage
     *            second image that is appended to the right side of leftImage,
     *            must not be null
     * @return appended image
     */
    public static BufferedImage appendImages(BufferedImage leftImage, BufferedImage rightImage) {
        Preconditions.checkNotNull(leftImage);
        Preconditions.checkNotNull(rightImage);
        int width = leftImage.getWidth() + rightImage.getWidth();
        int height = Math.max(leftImage.getHeight(), rightImage.getHeight());
        BufferedImage result = new BufferedImage(width, height, leftImage.getType());
        result.createGraphics().drawImage(leftImage, 0, 0, null);
        result.createGraphics().drawImage(rightImage, leftImage.getWidth(), 0, null);
        return result;
    }
}

Related

1. applyAlphaMask(BufferedImage buffer, BufferedImage alphaMask, int imgHeight)
2. applyExplicitSMask(BufferedImage baseImage, BufferedImage sMaskImage)
3. applyGrayDecode(BufferedImage rgbImage, int bitsPerComponent, float[] decode)
4. applyGrayscaleMaskToAlpha(BufferedImage image, BufferedImage mask)