/**
 * License Agreement.
 *
 * Rich Faces - Natural Ajax for Java Server Faces (JSF)
 *
 * Copyright (C) 2007 Exadel, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */

package org.ajax4jsf.resource;

import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.io.DataOutputStream;
import java.io.IOException;

import org.ajax4jsf.resource.image.GIFEncoder;

/**
 * @author asmirnov@exadel.com (latest modification by $Author: alexsmirnov $)
 * @version $Revision: 1.1.2.1 $ $Date: 2007/01/09 18:57:01 $
 * 
 */
public class GifRenderer extends ImageRenderer {

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.ajax4jsf.resource.ResourceRenderer#getContentType()
	 */
	public String getContentType() {
		// TODO Auto-generated method stub
		return "image/gif";
	}

	public void sendImage(ResourceContext context, RenderedImage image)
			throws IOException {
		// ImageIO.write(image,"gif",context.getOutputStream());
		GIFEncoder encoder = new GIFEncoder();
		DataOutputStream out = new DataOutputStream(context.getOutputStream());
		try {
			encoder.encode((BufferedImage) image, out);
			out.flush();
			out.close();

		} catch (Exception e) {
			// IE can unexpected close connection
		}
	}

	public int getImageType() {
		// TODO Auto-generated method stub
		return BufferedImage.TYPE_INT_ARGB;
	}

}
