net.sf.jasperreports.charts.util.ImageChartRendererFactory Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2011 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 .
*/
package net.sf.jasperreports.charts.util;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.util.List;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPrintImageAreaHyperlink;
import net.sf.jasperreports.engine.JRRenderable;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.util.JRImageLoader;
import net.sf.jasperreports.engine.util.JRProperties;
import net.sf.jasperreports.renderers.JRSimpleImageMapRenderer;
import org.jfree.chart.JFreeChart;
/**
* @author Teodor Danciu ([email protected])
* @version $Id: ImageChartRendererFactory.java 4595 2011-09-08 15:55:10Z teodord $
*/
public class ImageChartRendererFactory implements ChartRendererFactory
{
public JRRenderable getRenderer(
JFreeChart chart,
ChartHyperlinkProvider chartHyperlinkProvider,
Rectangle2D rectangle
)
{
int dpi = JRProperties.getIntegerProperty(JRRenderable.PROPERTY_IMAGE_DPI, 72);
double scale = dpi/72d;
BufferedImage bi =
new BufferedImage(
(int) (scale * (int)rectangle.getWidth()),
(int) (scale * rectangle.getHeight()),
BufferedImage.TYPE_INT_ARGB
);
Graphics2D grx = bi.createGraphics();
grx.scale(scale, scale);
List areaHyperlinks = null;
if (chartHyperlinkProvider != null && chartHyperlinkProvider.hasHyperlinks())
{
areaHyperlinks = ChartUtil.getImageAreaHyperlinks(chart, chartHyperlinkProvider, (Graphics2D)bi.getGraphics(), rectangle);
}
else
{
chart.draw(grx, rectangle);
}
try
{
return new JRSimpleImageMapRenderer(JRImageLoader.loadImageDataFromAWTImage(bi, JRRenderable.IMAGE_TYPE_PNG), areaHyperlinks);
}
catch (JRException e)
{
throw new JRRuntimeException(e);
}
}
}