// Copyright 2002, FreeHEP.
package org.freehep.graphicsio.emf.gdi;
import com.google.code.appengine.awt.Point;
import com.google.code.appengine.awt.geom.GeneralPath;
import java.io.IOException;
import org.freehep.graphicsio.emf.EMFInputStream;
import org.freehep.graphicsio.emf.EMFOutputStream;
import org.freehep.graphicsio.emf.EMFTag;
import org.freehep.graphicsio.emf.EMFRenderer;
/**
* MoveToEx TAG.
*
* @author Mark Donszelmann
* @version $Id: MoveToEx.java 10367 2007-01-22 19:26:48Z duns $
*/
public class MoveToEx extends EMFTag {
private Point point;
public MoveToEx() {
super(27, 1);
}
public MoveToEx(Point point) {
this();
this.point = point;
}
public EMFTag read(int tagID, EMFInputStream emf, int len)
throws IOException {
return new MoveToEx(emf.readPOINTL());
}
public void write(int tagID, EMFOutputStream emf) throws IOException {
emf.writePOINTL(point);
}
public String toString() {
return super.toString() + "\n point: " + point;
}
/**
* displays the tag using the renderer
*
* @param renderer EMFRenderer storing the drawing session data
*/
public void render(EMFRenderer renderer) {
// The MoveToEx function updates the current position to the
// specified point
// and optionally returns the previous position.
GeneralPath currentFigure = new GeneralPath(
renderer.getWindingRule());
currentFigure.moveTo(
(float) point.getX(),
(float) point.getY());
renderer.setFigure(currentFigure);
}
}