| gvSIG desktop 1

package com.iver.cit.gvsig.fmap.core.styles;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.RenderingHints;

import java.io.File;

import java.io.IOException;

import org.apache.batik.bridge.BridgeContext;

import org.apache.batik.bridge.DocumentLoader;

import org.apache.batik.bridge.GVTBuilder;

import org.apache.batik.bridge.UserAgentAdapter;

import org.apache.batik.bridge.ViewBox;

import org.apache.batik.gvt.GraphicsNode;

import org.apache.batik.gvt.renderer.StaticRenderer;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.svg.SVGDocument;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.utiles.XMLEntity;

public class SVGStyle extends AbstractStyle {

        private GVTBuilder gvtBuilder = new GVTBuilder();

    private UserAgentAdapter userAgent;

        private DocumentLoader loader;

        private StaticRenderer renderer = new StaticRenderer();

        private GraphicsNode gvtRoot;

        private BridgeContext ctx;

        private Element elt;

        private String sourceFile;

        protected static RenderingHints defaultRenderingHints;

    static {

        defaultRenderingHints = new RenderingHints(null);

        defaultRenderingHints.put(RenderingHints.KEY_ANTIALIASING,

                                  RenderingHints.VALUE_ANTIALIAS_ON);

        defaultRenderingHints.put(RenderingHints.KEY_INTERPOLATION,

                                  RenderingHints.VALUE_INTERPOLATION_BILINEAR);

    }

        public SVGStyle(){

                userAgent = new UserAgentAdapter();

                loader    = new DocumentLoader(userAgent);

                ctx       = new BridgeContext(userAgent, loader);

                renderer.setDoubleBuffered(true);

        }

        public void drawInsideRectangle(Graphics2D g, Rectangle r) {

                Graphics2D g2 = (Graphics2D) g;

                RenderingHints renderingHints = new RenderingHints(defaultRenderingHints);

                g2.setRenderingHints(renderingHints);

                gvtRoot.setTransform((ViewBox.getViewTransform(null, elt, (float) r.getWidth()-1, (float) r.getHeight()-1)));

                gvtRoot.paint(g2);

        }

        public boolean isSuitableFor(ISymbol symbol) {

                return true;

        }

        public String getClassName() {

                return getClass().getName();

        }

        public XMLEntity getXMLEntity() {

                XMLEntity xml = new XMLEntity();

                xml.putProperty("className", getClassName());

                xml.putProperty("source", sourceFile);

                xml.putProperty("desc", getDescription());

                return xml;

        }

        public void setXMLEntity(XMLEntity xml) {

                try {

                        setSource(new File(xml.getStringProperty("source")));

                        setDescription(xml.getStringProperty("desc"));

                } catch (IOException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

        }

        public void setSource(File f) throws IOException {

                sourceFile = f.getAbsolutePath();

                Document svgDoc = loader.loadDocument(f.toURI().toString());

        gvtRoot = gvtBuilder.build(ctx, svgDoc);

        renderer.setTree(gvtRoot);

        elt = ((SVGDocument)svgDoc).getRootElement();

        }

}