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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 TIBCO Software Inc. 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.geom.Rectangle2D;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
import java.util.List;
import org.apache.batik.dom.GenericDOMImplementation;
import org.apache.batik.svggen.SVGGraphics2D;
import org.apache.batik.svggen.SVGGraphics2DIOException;
import org.jfree.chart.JFreeChart;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
import net.sf.jasperreports.engine.JRPrintImageAreaHyperlink;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.renderers.Renderable;
import net.sf.jasperreports.renderers.SimpleRenderToImageAwareDataRenderer;
/**
* @author Teodor Danciu ([email protected])
*/
public class SvgChartRendererFactory extends AbstractChartRenderableFactory
{
@Override
public Renderable getRenderable(
JasperReportsContext jasperReportsContext,
JFreeChart chart,
ChartHyperlinkProvider chartHyperlinkProvider,
Rectangle2D rectangle
)
{
DOMImplementation domImpl =
GenericDOMImplementation.getDOMImplementation();
Document document =
domImpl.createDocument(null, "svg", null);
SVGGraphics2D grx =
new SVGGraphics2D(document);
grx.setSVGCanvasSize(rectangle.getBounds().getSize());
List areaHyperlinks = null;
if (chartHyperlinkProvider != null && chartHyperlinkProvider.hasHyperlinks())
{
areaHyperlinks = ChartUtil.getImageAreaHyperlinks(chart, chartHyperlinkProvider, grx, rectangle);
}
else
{
chart.draw(grx, rectangle);
}
try
{
StringWriter swriter = new StringWriter();
grx.stream(swriter);
byte[] svgData = swriter.getBuffer().toString().getBytes(StandardCharsets.UTF_8);
return new SimpleRenderToImageAwareDataRenderer(svgData, areaHyperlinks);
}
catch (SVGGraphics2DIOException e)
{
throw new JRRuntimeException(e);
}
}
}