/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.internal.decorations;
import org.eclipse.draw2d.IFigure;
import org.xmind.gef.draw2d.geometry.PrecisionPoint;
import org.xmind.gef.draw2d.graphics.Path;
import org.xmind.ui.decorations.AbstractArrowDecoration;
public class TriangleArrowDecoration extends AbstractArrowDecoration {
private static final double deltaAngle = Math.PI / 6;
private PrecisionPoint p1 = new PrecisionPoint();
private PrecisionPoint p2 = new PrecisionPoint();
public TriangleArrowDecoration() {
}
public TriangleArrowDecoration(String id) {
super(id);
}
protected boolean usesFill() {
return true;
}
protected void sketch(IFigure figure, Path shape) {
shape.moveTo(p1);
shape.lineTo(getPosition());
shape.lineTo(p2);
shape.close();
}
public void reshape(IFigure figure) {
int w = getWidth() * 2 + 4;
p1.setLocation(getPosition()).move(getAngle() - deltaAngle, w);
p2.setLocation(getPosition()).move(getAngle() + deltaAngle, w);
}
}