net.sf.jasperreports.renderers.WrappingDataToGraphics2DRenderer Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, 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.renderers;
import java.awt.Graphics2D;
import java.awt.geom.Dimension2D;
import java.awt.geom.Rectangle2D;
import java.util.List;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPrintImageAreaHyperlink;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.renderers.util.RendererUtil;
/**
* SVG renderer implementation based on Batik.
*
* @author Teodor Danciu ([email protected])
* @deprecated To be removed.
*/
public class WrappingDataToGraphics2DRenderer extends AbstractRenderToImageAwareRenderer implements DataRenderable, Graphics2DRenderable, DimensionRenderable, AreaHyperlinksRenderable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private final DataRenderable dataRenderer;
private final AreaHyperlinksRenderable areaHyperlinksRenderer;
private JasperReportsContext jasperReportsContext;
private byte[] data;
private net.sf.jasperreports.engine.type.RenderableTypeEnum renderableType;
private Graphics2DRenderable grxRenderer;
private DimensionRenderable dimensionRenderer;
/**
*
*/
public WrappingDataToGraphics2DRenderer(DataRenderable dataRenderer)
{
this.dataRenderer = dataRenderer;
this.areaHyperlinksRenderer = dataRenderer instanceof AreaHyperlinksRenderable ? (AreaHyperlinksRenderable)dataRenderer : null;
}
@Override
public List getImageAreaHyperlinks(Rectangle2D renderingArea) throws JRException
{
return areaHyperlinksRenderer == null ? null : areaHyperlinksRenderer.getImageAreaHyperlinks(renderingArea);
}
@Override
public boolean hasImageAreaHyperlinks()
{
return areaHyperlinksRenderer == null ? false : areaHyperlinksRenderer.hasImageAreaHyperlinks();
}
@Override
public byte[] getData(JasperReportsContext jasperReportsContext) throws JRException
{
updateCache(jasperReportsContext);
return data;
}
@Override
public Dimension2D getDimension(JasperReportsContext jasperReportsContext) throws JRException
{
updateCache(jasperReportsContext);
return dimensionRenderer.getDimension(jasperReportsContext);
}
@Override
public void render(
JasperReportsContext jasperReportsContext,
Graphics2D grx,
Rectangle2D rectangle
) throws JRException
{
updateCache(jasperReportsContext);
grxRenderer.render(jasperReportsContext, grx, rectangle);
}
public net.sf.jasperreports.engine.type.RenderableTypeEnum getRenderableType()
{
try
{
updateCache(DefaultJasperReportsContext.getInstance());
}
catch (JRException e)
{
//ignore
return net.sf.jasperreports.engine.type.RenderableTypeEnum.IMAGE; // arbitrary default; should not get here in normal cases
}
return renderableType;
}
protected void updateCache(JasperReportsContext jasperReportsContext) throws JRException
{
if (
this.jasperReportsContext != jasperReportsContext
|| data == null
)
{
this.jasperReportsContext = jasperReportsContext;
this.data = dataRenderer.getData(jasperReportsContext);
boolean isSvgData = RendererUtil.getInstance(jasperReportsContext).isSvgData(data);
if (isSvgData)
{
grxRenderer = new WrappingSvgDataToGraphics2DRenderer(dataRenderer);
renderableType = net.sf.jasperreports.engine.type.RenderableTypeEnum.SVG;
}
else
{
grxRenderer = new WrappingImageDataToGraphics2DRenderer(dataRenderer);
renderableType = net.sf.jasperreports.engine.type.RenderableTypeEnum.IMAGE;
}
this.dimensionRenderer = (DimensionRenderable)grxRenderer;
}
}
}