/*******************************************************************************
* 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.CubicCurve;
import org.eclipse.gef.geometry.planar.Ellipse;
import org.eclipse.gef.geometry.planar.IGeometry;
import org.eclipse.gef.geometry.planar.Point;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
public class EllipseCubicCurveIntersection
extends AbstractEllipseIntersectionExample {
/**
* @param args
*/
public static void main(String[] args) {
new EllipseCubicCurveIntersection();
}
public EllipseCubicCurveIntersection() {
super("Ellipse/CubicCurve Intersection");
}
@Override
protected Point[] computeIntersections(IGeometry g1, IGeometry g2) {
return ((Ellipse) g1).getIntersections((CubicCurve) g2);
}
@Override
protected AbstractControllableShape createControllableShape2(
Canvas canvas) {
return new AbstractControllableShape(canvas) {
@Override
public void createControlPoints() {
addControlPoint(new Point(100, 150));
addControlPoint(new Point(400, 200));
addControlPoint(new Point(300, 400));
addControlPoint(new Point(550, 300));
}
@Override
public CubicCurve createGeometry() {
return new CubicCurve(getControlPoints());
}
@Override
public void drawShape(GC gc) {
CubicCurve c = createGeometry();
gc.drawPath(
new org.eclipse.swt.graphics.Path(Display.getCurrent(),
Geometry2SWT.toSWTPathData(c.toPath())));
}
};
}
}