Java BufferedImage to Byte Array getByteImage(BufferedImage imagem)

Description

Captura os bytes de um BufferedImage

License

Open Source License

Parameter

Parameter	Description
imagem	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

public static byte[] getByteImage(BufferedImage imagem) throws IOException 

Method Source Code

//package com.java2s;
/*//from  ww w  . java 2s .  c o m
 * The MIT License
 *
 * Copyright 2016 victor.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.awt.image.BufferedImage;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import javax.imageio.ImageIO;

public class Main {
    /**
     * Captura os bytes de um BufferedImage
     * @param imagem
     * @return
     * @throws IOException 
     */
    public static byte[] getByteImage(BufferedImage imagem) throws IOException {
        if (imagem == null)
            return null;

        //        WritableRaster wr = imagem.getRaster();
        //        DataBufferByte db = (DataBufferByte) wr.getDataBuffer();
        //        return db.getData();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(imagem, "jpg", baos);
        byte[] bytes = baos.toByteArray();

        return bytes;
    }
}

Related

1. getByteArray(File file)
2. getByteArray(RenderedImage image, String formatName)
3. getByteBuffer(BufferedImage bufferedImage)
4. getByteBufferToImage(ByteBuffer buffer, int width, int height)
5. getBytes(BufferedImage image)
6. getBytes(final InputStream is, final int bufferSize)
7. getBytesFromBufferedImage(BufferedImage bi, String format)
8. getBytesFromImage(String fileIn, String fileOut)