Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/engine/util/JRDefaultImageEncoder.java
/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * JasperReports - Free Java report-generating library.
 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 * 
 * JasperSoft Corporation
 * 303 Second Street, Suite 450 North
 * San Francisco, CA 94107
 * http://www.jaspersoft.com
 */
package net.sf.jasperreports.engine.util;

import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRRenderable;

import com.keypoint.PngEncoderB;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;


/**
 * @author Teodor Danciu (teodord@users.sourceforge.net)
 * @version $Id: JRDefaultImageEncoder.java,v 1.1 2008/09/29 16:20:16 guehene Exp $
 */
public class JRDefaultImageEncoder extends JRAbstractImageEncoder
{

	
	/**
	 *
	 */
	public byte[] encode(BufferedImage bi, byte imageType) throws JRException
	{
		byte[] bytes = null;
		
		switch (imageType)
		{
			case JRRenderable.IMAGE_TYPE_PNG :
			{
				bytes = new PngEncoderB(bi).pngEncode();
				break;
			}
			case JRRenderable.IMAGE_TYPE_JPEG :
			{
				ByteArrayOutputStream baos = new ByteArrayOutputStream();
				
				try
				{
					JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(baos);
					JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
					param.setQuality(1f, true);//1f = JPG_QUALITY
					encoder.encode(bi, param);
				}
				catch (IOException e)
				{
					throw new JRException(e);
				}
				
				bytes = baos.toByteArray();
				break;
			}
			case JRRenderable.IMAGE_TYPE_GIF :
			{
				throw new JRException("Image type GIF not supported by this image encoder.");
			}
			case JRRenderable.IMAGE_TYPE_TIFF :
			{
				throw new JRException("Image type TIFF not supported by this image encoder.");
			}
			case JRRenderable.IMAGE_TYPE_UNKNOWN :
			default:
			{
				throw new JRException("Image type UNKNOWN not supported by this image encoder.");
			}
		}
		
		return bytes;
	}


}
