/*******************************************************************************
* Copyright (c) 2011, 2015 itemis AG and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Matthias Wienand (itemis AG) - initial API and implementation
*
*******************************************************************************/
package org.eclipse.gef.geometry.examples.intersection;
import org.eclipse.gef.geometry.convert.swt.Geometry2SWT;
import org.eclipse.gef.geometry.planar.IGeometry;
import org.eclipse.gef.geometry.planar.Point;
import org.eclipse.gef.geometry.planar.Polygon;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Canvas;
public class PolygonPolygonIntersection
extends AbstractPolygonIntersectionExample {
public static void main(String[] args) {
new PolygonPolygonIntersection();
}
public PolygonPolygonIntersection() {
super("Polygon/Polygon Intersection");
}
@Override
protected Point[] computeIntersections(IGeometry g1, IGeometry g2) {
return ((Polygon) g1).getOutline()
.getIntersections(((Polygon) g2).getOutline());
}
@Override
protected AbstractControllableShape createControllableShape2(
Canvas canvas) {
return new AbstractControllableShape(canvas) {
@Override
public void createControlPoints() {
addControlPoint(new Point(100, 100));
addControlPoint(new Point(600, 200));
addControlPoint(new Point(100, 300));
}
@Override
public Polygon createGeometry() {
Point[] points = getControlPoints();
Polygon polygon = new Polygon(points);
return polygon;
}
@Override
public void drawShape(GC gc) {
Polygon polygon = createGeometry();
gc.drawPolygon(Geometry2SWT.toSWTPointArray(polygon));
}
};
}
}