/*
* 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;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.Dimension2D;
import java.awt.image.BufferedImage;
import net.sf.jasperreports.engine.util.JRImageLoader;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRAbstractSvgRenderer.java 3033 2009-08-27 11:46:22Z teodord $
*/
public abstract class JRAbstractSvgRenderer extends JRAbstractRenderer
{
/**
*
*/
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
/**
*
*/
public byte getType()
{
return TYPE_SVG;
}
/**
*
*/
public byte getImageType()
{
return IMAGE_TYPE_PNG;
}
/**
*
*/
public Dimension2D getDimension()
{
return null;
}
/**
*
*/
public Color getBackcolor()
{
return null;
}
/**
*
*/
public byte[] getImageData() throws JRException
{
Dimension2D dimension = getDimension();
if (dimension != null)
{
byte imageType = getImageType();
BufferedImage bi =
new BufferedImage(
(int)dimension.getWidth(),
(int)dimension.getHeight(),
// avoid creating JPEG images with transparency that would result
// in invalid image files for some viewers (browsers)
(imageType == JRRenderable.IMAGE_TYPE_GIF || imageType == JRRenderable.IMAGE_TYPE_PNG)
? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB
);
Graphics2D g = createGraphics(bi);
Color backcolor = getBackcolor();
if (backcolor != null)
{
g.setColor(backcolor);
g.fillRect(0, 0, (int)dimension.getWidth(), (int)dimension.getHeight());
}
render(g, new Rectangle((int)dimension.getWidth(), (int)dimension.getHeight()));
g.dispose();
return JRImageLoader.loadImageDataFromAWTImage(bi, getImageType());
}
return null;
}
protected Graphics2D createGraphics(BufferedImage bi)
{
return bi.createGraphics();
}
}