JavaFXPathElementHandler.java

package org.hameister.javafx.svg;

import javafx.scene.shape.ArcTo;
import javafx.scene.shape.ClosePath;
import javafx.scene.shape.CubicCurveTo;
import javafx.scene.shape.LineTo;
import javafx.scene.shape.MoveTo;
import javafx.scene.shape.Path;

import org.apache.batik.parser.DefaultPathHandler;
import org.apache.batik.parser.ParseException;
import org.apache.batik.parser.PathHandler;

/**
 * 
 * @see PathHandler Interface
 * 
 * http://www.w3.org/TR/SVG/paths.html
 * 
 * @author j.hameister
 *
 */
public class JavaFXPathElementHandler extends DefaultPathHandler {

	private Path path = new Path();
	
	private float lastX = 0;
	private float lastY = 0;
	
	public JavaFXPathElementHandler(String pathStyling) {
		path.getStyleClass().add(pathStyling);
	}
	
	@Override
	public void arcAbs(float rx, float ry, float xAxisRotation, boolean largeArcFlag, boolean sweepFlag, float x, float y) throws ParseException {
		lastX = x;
		lastY = y;
		path.getElements().add(new ArcTo(rx, ry, xAxisRotation, x, y, largeArcFlag, sweepFlag));
	}

	@Override
	public void arcRel(float rx, float ry, float xAxisRotation, boolean largeArcFlag, boolean sweepFlag, float x, float y) throws ParseException {
		lastX = x;
		lastY = y;

		path.getElements().add(new ArcTo(rx, ry, xAxisRotation, x, y, largeArcFlag, sweepFlag));
	}

	@Override
	public void closePath() throws ParseException {
		path.getElements().add(new ClosePath());
	}

	@Override
	public void curvetoCubicAbs(float x1, float y1, float x2, float y2, float x, float y) throws ParseException {
		lastX = x;
		lastY = y;

		CubicCurveTo c = new CubicCurveTo(x1,y1,x2,y2,x,y);
		c.setAbsolute(true);
		path.getElements().add(c);
	}

	@Override
	public void curvetoCubicRel(float x1, float y1, float x2, float y2, float x, float y) throws ParseException {
		lastX = x;
		lastY = y;
		CubicCurveTo c = new CubicCurveTo(x1,y1,x2,y2,x,y);
		c.setAbsolute(false);
		path.getElements().add(c);
	}

	@Override
	public void curvetoCubicSmoothAbs(float x2, float y2, float x, float y) throws ParseException {
		throw new ParseException("curvetoCubicSmoothAbs is currently not supported.", null);
	}

	@Override
	public void curvetoCubicSmoothRel(float x2, float y2, float x, float y) throws ParseException {
		throw new ParseException("curvetoCubicSmoothRel is currently not supported.", null);
	}

	@Override
	public void curvetoQuadraticAbs(float x1, float y1, float x, float y) throws ParseException {
		throw new ParseException("curvetoQuadraticAbs is currently not supported.", null);
	}

	@Override
	public void curvetoQuadraticRel(float x1, float y1, float x, float y) throws ParseException {
		throw new ParseException("curvetoQuadraticRel is currently not supported.", null);
	}

	@Override
	public void curvetoQuadraticSmoothAbs(float x, float y) throws ParseException {
		throw new ParseException("curvetoQuadraticSmoothAbs is currently not supported.", null);
	}

	@Override
	public void curvetoQuadraticSmoothRel(float x, float y) throws ParseException {
		throw new ParseException("curvetoQuadraticSmoothRel is currently not supported.", null);
	}

	@Override
	public void endPath() throws ParseException {
		
	}

	@Override
	public void linetoAbs(float x, float y) throws ParseException {
		lastX = x;
		lastY = y;

		LineTo lineTo = new LineTo(x,y);
		lineTo.setAbsolute(true);
		path.getElements().add(lineTo);
	}

	@Override
	public void linetoHorizontalAbs(float x) throws ParseException {
		lastX = x;
		LineTo lineTo = new LineTo(x, lastX);
		lineTo.setAbsolute(true);
		path.getElements().add(lineTo);
	}

	@Override
	public void linetoHorizontalRel(float x) throws ParseException {
		lastX = x;
		LineTo lineTo = new LineTo(x, lastY);
		lineTo.setAbsolute(false);
		path.getElements().add(lineTo);
	}

	@Override
	public void linetoRel(float x, float y) throws ParseException {
		lastX = x;
		lastY = y;
		LineTo lineTo = new LineTo(x, y);
		lineTo.setAbsolute(false);
		path.getElements().add(lineTo);
	}

	@Override
	public void linetoVerticalAbs(float y) throws ParseException {
		lastY = y;
		LineTo lineTo = new LineTo(lastX, y);
		lineTo.setAbsolute(true);
		path.getElements().add(lineTo);
	}

	@Override
	public void linetoVerticalRel(float y) throws ParseException {
		lastY = y;
		LineTo lineTo = new LineTo(lastX, y);
		lineTo.setAbsolute(false);
		path.getElements().add(lineTo);
	}

	@Override
	public void movetoAbs(float x, float y) throws ParseException {
		lastX = x;
		lastY = y;
		MoveTo moveTo = new MoveTo(x, y);
		moveTo.setAbsolute(true);
		path.getElements().add(moveTo);
	}

	@Override
	public void movetoRel(float x, float y) throws ParseException {
		lastX = x;
		lastY = y;
		MoveTo moveTo = new MoveTo(x, y);
		moveTo.setAbsolute(false);
		path.getElements().add(moveTo);
	}

	@Override
	public void startPath() throws ParseException {
	}


	public Path getPath() {
		return path;
	}
	

}