/*******************************************************************************
* 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.containment;
import org.eclipse.gef.geometry.convert.swt.Geometry2SWT;
import org.eclipse.gef.geometry.planar.IGeometry;
import org.eclipse.gef.geometry.planar.Line;
import org.eclipse.gef.geometry.planar.Point;
import org.eclipse.gef.geometry.planar.Polygon;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Canvas;
public class PolygonLineContainment extends AbstractPolygonContainmentExample {
public static void main(String[] args) {
new PolygonLineContainment();
}
public PolygonLineContainment() {
super("Polygon/Line Containment");
}
@Override
protected boolean computeContains(IGeometry g1, IGeometry g2) {
return ((Polygon) g1).contains((Line) g2);
}
@Override
protected boolean computeIntersects(IGeometry g1, IGeometry g2) {
return ((Polygon) g1).touches(g2);
}
@Override
protected AbstractControllableShape createControllableShape2(
Canvas canvas) {
return new AbstractControllableShape(canvas) {
@Override
public void createControlPoints() {
addControlPoint(new Point(100, 100));
addControlPoint(new Point(300, 300));
}
@Override
public Line createGeometry() {
Point[] points = getControlPoints();
return new Line(points[0], points[1]);
}
@Override
public void drawShape(GC gc) {
Line line = createGeometry();
gc.drawPolyline(Geometry2SWT.toSWTPointArray(line));
}
@Override
public void fillShape(GC gc) {
int lineWidth = gc.getLineWidth();
Color fg = gc.getForeground();
gc.setLineWidth(3);
gc.setForeground(gc.getBackground());
drawShape(gc);
gc.setForeground(fg);
gc.setLineWidth(lineWidth);
}
};
}
}