/**
* ================================================
* LibLoader : a free Java resource loading library
* ================================================
*
* Project Info: http://reporting.pentaho.org/libloader/
*
* (C) Copyright 2006-2008, by Pentaho Corporation and Contributors.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
*
* ------------
* SVGImageFactoryModule.java
* ------------
*/
package org.pentaho.reporting.libraries.resourceloader.modules.factory.svg;
import java.io.IOException;
import java.awt.geom.Rectangle2D;
import org.apache.batik.bridge.BridgeContext;
import org.apache.batik.bridge.DocumentLoader;
import org.apache.batik.bridge.GVTBuilder;
import org.apache.batik.gvt.GraphicsNode;
import org.apache.batik.gvt.renderer.StaticRenderer;
import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceData;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
import org.pentaho.reporting.libraries.resourceloader.SimpleResource;
import org.w3c.dom.svg.SVGDocument;
/**
* Creation-Date: 05.04.2006, 17:58:42
*
* @author Thomas Morgner
*/
public class SVGImageFactoryModule extends AbstractSVGFactoryModule
{
public SVGImageFactoryModule()
{
}
public Resource create(final ResourceManager caller,
final ResourceData data,
final ResourceKey context)
throws ResourceLoadingException
{
try
{
final long version = data.getVersion(caller);
final HeadlessSVGUserAgent userAgent = new HeadlessSVGUserAgent();
final DocumentLoader loader = new DocumentLoader(userAgent);
final SVGDocument document = (SVGDocument) loader.loadDocument
(String.valueOf(data.getKey().getIdentifier()), data.getResourceAsStream(caller));
final BridgeContext ctx = new BridgeContext(userAgent, loader);
final GVTBuilder builder = new GVTBuilder();
final GraphicsNode node = builder.build(ctx, document);
final Rectangle2D bounds = node.getBounds();
final StaticRenderer staticRenderer = new StaticRenderer();
staticRenderer.setDoubleBuffered(true);
staticRenderer.setTree(node);
staticRenderer.updateOffScreen((int) bounds.getWidth(), (int) bounds.getHeight());
return new SimpleResource(data.getKey(), staticRenderer.getOffScreen(), version);
}
catch (IOException e)
{
throw new ResourceLoadingException("Failed to process SVG file", e);
}
}
}