/*
* 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.JRImage;
import net.sf.jasperreports.engine.JRImageRenderer;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRPrintImage;
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 net.sf.jasperreports.engine.util.JRExpressionUtil;
import net.sf.jasperreports.engine.util.JRImageLoader;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: ImageConverter.java 3687 2010-04-06 09:50:42Z shertage $
*/
public final class ImageConverter extends ElementConverter
{
private static final Log log = LogFactory.getLog(ImageConverter.class);
/**
*
*/
private final static ImageConverter INSTANCE = new ImageConverter();
/**
*
*/
private ImageConverter()
{
}
/**
*
*/
public static ImageConverter getInstance()
{
return INSTANCE;
}
/**
*
*/
public JRPrintElement convert(ReportConverter reportConverter, JRElement element)
{
JRBasePrintImage printImage = new JRBasePrintImage(reportConverter.getDefaultStyleProvider());
JRImage image = (JRImage)element;
copyGraphicElement(reportConverter, image, printImage);
printImage.copyBox(image.getLineBox());
printImage.setAnchorName(JRExpressionUtil.getExpressionText(image.getAnchorNameExpression()));
printImage.setBookmarkLevel(image.getBookmarkLevel());
printImage.setHorizontalAlignment(image.getOwnHorizontalAlignmentValue());
printImage.setLazy(image.isLazy());
printImage.setLinkType(image.getLinkType());
printImage.setOnErrorType(OnErrorTypeEnum.ICON);
printImage.setVerticalAlignment(image.getOwnVerticalAlignmentValue());
printImage.setRenderer(getRenderer(image, printImage));
printImage.setScaleImage(image.getOwnScaleImageValue());
return printImage;
}
/**
*
*/
private JRRenderable getRenderer(JRImage imageElement, JRPrintImage printImage)
{
String location = JRExpressionUtil.getSimpleExpressionText(imageElement.getExpression());
if(location != null)
{
try
{
return JRImageRenderer.getInstance(location);
/*
byte[] imageData = JRLoader.loadBytesFromLocation(location);
Image awtImage = JRImageLoader.loadImage(imageData);
if (awtImage == null)
{
printImage.setScaleImage(JRImage.SCALE_IMAGE_CLIP);
return
JRImageRenderer.getInstance(
JRImageLoader.NO_IMAGE_RESOURCE,
imageElement.getOnErrorType()
);
}
return JRImageRenderer.getInstance(imageData);
*/
}
catch (JRException e)
{
if (log.isDebugEnabled())
{
log.debug("Creating location renderer for converted image failed.", e);
}
}
}
try
{
printImage.setScaleImage(ScaleImageEnum.CLIP);
return
JRImageRenderer.getInstance(
JRImageLoader.NO_IMAGE_RESOURCE,
imageElement.getOnErrorTypeValue()
);
}
catch (JRException e)
{
if (log.isDebugEnabled())
{
log.debug("Creating icon renderer for converted image failed.", e);
}
}
return null;
}
}