Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/engine/util/JRJdk13ImageReader.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;
import java.awt.MediaTracker;
import java.awt.Panel;
import java.awt.Toolkit;

import net.sf.jasperreports.engine.JRException;


/**
 * @author Teodor Danciu (teodord@users.sourceforge.net)
 * @version $Id: JRJdk13ImageReader.java,v 1.1 2008/09/29 16:20:16 guehene Exp $
 */
public class JRJdk13ImageReader implements JRImageReader
{

	
	/**
	 *
	 */
	public Image readImage(byte[] bytes) throws JRException
	{
		Image image = Toolkit.getDefaultToolkit().createImage(bytes);

		MediaTracker tracker = new MediaTracker(new Panel());
		tracker.addImage(image, 0);
		try
		{
			tracker.waitForID(0);
		}
		catch (Exception e)
		{
			//image = null;
			throw new JRException(e);
		}

		if(tracker.isErrorID(0)) 
		{
			throw new JRException("Image read failed.");
		}

		return image;
	}


}
