Java BufferedImage Operation compose(BufferedImage image, BufferedImage mask)

Description

Add the alpha channel of mask to image, and return the composed image.

License

Apache License

Parameter

Parameter	Description
image	a parameter
mask	a parameter

Return

image masked by mask

Declaration

public static BufferedImage compose(BufferedImage image, BufferedImage mask) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2012 Geoscience Australia// www . j  a  va2  s  .co  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.AlphaComposite;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

public class Main {
    /**
     * Add the alpha channel of mask to image, and return the composed image.
     * 
     * @param image
     * @param mask
     * @return image masked by mask
     */
    public static BufferedImage compose(BufferedImage image, BufferedImage mask) {
        Graphics2D g2d = mask.createGraphics();
        g2d.setComposite(AlphaComposite.SrcIn);
        g2d.drawImage(image, 0, 0, null);
        g2d.dispose();
        return mask;
    }
}

Related

1. checkImageType(BufferedImage img, String name)
2. checkRadius(final BufferedImage src, final int x, final int y, final int opaqueLimit, final int radius)
3. chunk(BufferedImage image)
4. circularize(BufferedImage image)
5. cleanBinaryImage(BufferedImage image)
6. composite(BufferedImage bg, BufferedImage fg)
7. computeBrightnesses(final BufferedImage image)
8. computeTrimmedBounds(BufferedImage image, Rectangle tbounds)
9. conformImageToInt(BufferedImage in)