/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.util;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRRenderable;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRJdk14ImageEncoder.java 3034 2009-08-27 11:58:04Z teodord $
*/
public class JRJdk14ImageEncoder extends JRAbstractImageEncoder
{
/**
*
*/
public byte[] encode(BufferedImage bi, byte imageType) throws JRException
{
String formatName = null;
switch (imageType)
{
case JRRenderable.IMAGE_TYPE_GIF :
{
formatName = "gif";
break;
}
case JRRenderable.IMAGE_TYPE_PNG :
{
formatName = "png";
break;
}
case JRRenderable.IMAGE_TYPE_TIFF :
{
formatName = "tiff";
break;
}
case JRRenderable.IMAGE_TYPE_JPEG :
case JRRenderable.IMAGE_TYPE_UNKNOWN :
default:
{
formatName = "jpeg";
break;
}
}
boolean success = false;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try
{
success = ImageIO.write(bi, formatName, baos);
}
catch (IOException e)
{
throw new JRException(e);
}
if (!success)
{
throw new JRException("No appropriate image writer found for the \"" + formatName + "\" format.");
}
return baos.toByteArray();
}
}