Here you can find the source of bufferedImageToByte(BufferedImage image, String format)
public static byte[] bufferedImageToByte(BufferedImage image, String format) throws IOException
//package com.java2s; /* autonoesis -- Automatic Movie Processor * Copyright (C) 2008 Shuichi Kurabayashi <Shuichi.Kurabayashi@acm.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version.// w ww. j av a2 s. co m * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.IOException; import javax.imageio.ImageIO; public class Main { public static byte[] bufferedImageToByte(BufferedImage image, String format) throws IOException { final ByteArrayOutputStream bos = new ByteArrayOutputStream(); ImageIO.write(image, format, bos); return bos.toByteArray(); } }