/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id: ImageConverterG2D2SVG.java 746664 2009-02-22 12:40:44Z jeremias $ */
package org.apache.fop.image.loader.batik;
import java.awt.Dimension;
import java.awt.geom.Rectangle2D;
import java.util.Map;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.apache.batik.dom.GenericDOMImplementation;
import org.apache.batik.dom.svg.SVGDOMImplementation;
import org.apache.batik.svggen.SVGGeneratorContext;
import org.apache.batik.svggen.SVGGraphics2D;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageException;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.ImageSize;
import org.apache.xmlgraphics.image.loader.impl.AbstractImageConverter;
import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D;
import org.apache.xmlgraphics.image.loader.impl.ImageXMLDOM;
/**
* This ImageConverter converts Java2D images into SVG images.
*/
public class ImageConverterG2D2SVG extends AbstractImageConverter {
/** {@inheritDoc} */
public Image convert(Image src, Map hints) throws ImageException {
checkSourceFlavor(src);
ImageGraphics2D g2dImage = (ImageGraphics2D)src;
DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
// Create an instance of org.w3c.dom.Document
Document document = domImpl.createDocument(
SVGDOMImplementation.SVG_NAMESPACE_URI, "svg", null);
Element root = document.getDocumentElement();
// Create an SVGGeneratorContext to customize SVG generation
SVGGeneratorContext genCtx = SVGGeneratorContext.createDefault(document);
genCtx.setComment("Generated by Apache Batik's SVGGraphics2D");
genCtx.setEmbeddedFontsOn(true);
// Create an instance of the SVG Generator
SVGGraphics2D g2d = new SVGGraphics2D(genCtx, true);
ImageSize size = src.getSize();
Dimension dim = size.getDimensionMpt();
g2d.setSVGCanvasSize(dim);
//SVGGraphics2D doesn't generate the viewBox by itself
root.setAttribute("viewBox", "0 0 " + dim.width + " " + dim.height);
g2dImage.getGraphics2DImagePainter().paint(g2d,
new Rectangle2D.Float(0, 0, dim.width, dim.height));
//Populate the document root with the generated SVG content.
g2d.getRoot(root);
//Return the generated SVG image
ImageXMLDOM svgImage = new ImageXMLDOM(src.getInfo(), document, BatikImageFlavors.SVG_DOM);
g2d.dispose();
return svgImage;
}
/** {@inheritDoc} */
public ImageFlavor getSourceFlavor() {
return ImageFlavor.GRAPHICS2D;
}
/** {@inheritDoc} */
public ImageFlavor getTargetFlavor() {
return BatikImageFlavors.SVG_DOM;
}
}