/*
* 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/>.
*/
/*
* Contributors:
* Eugene D - eugenedruy@users.sourceforge.net
* Adrian Jackson - iapetus@users.sourceforge.net
* David Taylor - exodussystems@users.sourceforge.net
* Lars Kristensen - llk@users.sourceforge.net
*/
package net.sf.jasperreports.engine.convert;
import net.sf.jasperreports.engine.JRElement;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRImageRenderer;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRRenderable;
import net.sf.jasperreports.engine.base.JRBasePrintImage;
import net.sf.jasperreports.engine.type.OnErrorTypeEnum;
import net.sf.jasperreports.engine.type.ScaleImageEnum;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Base converter that generates a static preview icon for the element.
*
* @author Lucian Chirita (lucianc@users.sourceforge.net)
* @version $Id: ElementIconConverter.java 3499 2010-03-03 15:35:34Z shertage $
*/
public class ElementIconConverter extends ElementConverter
{
private static final Log log = LogFactory.getLog(ElementIconConverter.class);
private final String iconLocation;
public ElementIconConverter(String iconLocation)
{
this.iconLocation = iconLocation;
}
public JRPrintElement convert(ReportConverter reportConverter, JRElement element)
{
JRBasePrintImage printImage = new JRBasePrintImage(
reportConverter.getDefaultStyleProvider());
copyElement(reportConverter, element, printImage);
printImage.getLineBox().setPadding(3);
printImage.setScaleImage(ScaleImageEnum.CLIP);
printImage.setRenderer(getRenderer());
return printImage;
}
protected JRRenderable getRenderer()
{
try
{
return JRImageRenderer.getInstance(
iconLocation,
OnErrorTypeEnum.ERROR);
}
catch (JRException e)
{
log.warn("Error creating component design preview icon", e);
return null;
}
}
}