package org.newdawn.slick.svg.inkscape;
import org.newdawn.slick.geom.Shape;
import org.newdawn.slick.geom.Transform;
import org.newdawn.slick.svg.Diagram;
import org.newdawn.slick.svg.Figure;
import org.newdawn.slick.svg.Loader;
import org.newdawn.slick.svg.NonGeometricData;
import org.newdawn.slick.svg.ParsingException;
import org.w3c.dom.Element;
/**
* Processor for the "use", a tag that allows references to other elements
* and cloning.
*
* @author kevin
*/
public class UseProcessor implements ElementProcessor {
/**
* @see org.newdawn.slick.svg.inkscape.ElementProcessor#handles(org.w3c.dom.Element)
*/
public boolean handles(Element element) {
return element.getNodeName().equals("use");
}
/**
* @see org.newdawn.slick.svg.inkscape.ElementProcessor#process(org.newdawn.slick.svg.Loader, org.w3c.dom.Element, org.newdawn.slick.svg.Diagram, org.newdawn.slick.geom.Transform)
*/
public void process(Loader loader, Element element, Diagram diagram,
Transform transform) throws ParsingException {
String ref = element.getAttributeNS("http://www.w3.org/1999/xlink", "href");
String href = Util.getAsReference(ref);
Figure referenced = diagram.getFigureByID(href);
if (referenced == null) {
throw new ParsingException(element, "Unable to locate referenced element: "+href);
}
Transform local = Util.getTransform(element);
Transform trans = local.concatenate(referenced.getTransform());
NonGeometricData data = Util.getNonGeometricData(element);
Shape shape = referenced.getShape().transform(trans);
data.addAttribute(NonGeometricData.FILL, referenced.getData().getAttribute(NonGeometricData.FILL));
data.addAttribute(NonGeometricData.STROKE, referenced.getData().getAttribute(NonGeometricData.STROKE));
data.addAttribute(NonGeometricData.OPACITY, referenced.getData().getAttribute(NonGeometricData.OPACITY));
data.addAttribute(NonGeometricData.STROKE_WIDTH, referenced.getData().getAttribute(NonGeometricData.STROKE_WIDTH));
Figure figure = new Figure(referenced.getType(), shape, data, trans);
diagram.addFigure(figure);
}
}