// Copyright 2002, FreeHEP.
package org.freehep.graphicsio.emf.gdi;
import com.google.code.appengine.awt.Point;
import com.google.code.appengine.awt.Rectangle;
import com.google.code.appengine.awt.geom.GeneralPath;
import java.io.IOException;
import org.freehep.graphicsio.emf.EMFInputStream;
import org.freehep.graphicsio.emf.EMFTag;
import org.freehep.graphicsio.emf.EMFRenderer;
/**
* PolylineTo TAG.
*
* @author Mark Donszelmann
* @version $Id: EMFPolygon.java 10367 2007-01-22 19:26:48Z duns $
*/
public class EMFPolygon extends AbstractPolygon {
public EMFPolygon() {
super(3, 1, null, 0, null);
}
public EMFPolygon(Rectangle bounds, int numberOfPoints, Point[] points) {
super(3, 1, bounds, numberOfPoints, points);
}
protected EMFPolygon (int id, int version, Rectangle bounds, int numberOfPoints, Point[] points) {
super(id, version, bounds, numberOfPoints, points);
}
public EMFTag read(int tagID, EMFInputStream emf, int len)
throws IOException {
Rectangle r = emf.readRECTL();
int n = emf.readDWORD();
return new EMFPolygon(r, n, emf.readPOINTL(n));
}
/**
* displays the tag using the renderer
*
* @param renderer EMFRenderer storing the drawing session data
*/
public void render(EMFRenderer renderer) {
Point[] points = getPoints();
// Safety check.
if (points.length > 1) {
GeneralPath path = new GeneralPath(
renderer.getWindingRule());
path.moveTo((float)points[0].getX(), (float)points[0].getY());
for (int i = 1; i < points.length; i++) {
path.lineTo((float)points[i].getX(), (float)points[i].getY());
}
path.closePath();
renderer.fillAndDrawOrAppend(path);
}
}
}