/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* 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:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
/*
* @(#)ODGFigure.java 1.0 April 12, 2007
*
* Copyright (c) 2007 by the original authors of JHotDraw
* and all its contributors.
* All rights reserved.
*
* The copyright of this software is owned by the authors and
* contributors of the JHotDraw project ("the copyright holders").
* You may not use, copy or modify this software, except in
* accordance with the license agreement you entered into with
* the copyright holders. For details see accompanying license terms.
*/
package org.jhotdraw.samples.odg.figures;
import org.jhotdraw.draw.Figure;
/**
* ODGFigure.
*
* @author Werner Randelshofer
* @version 1.0 April 12, 2007 Created.
*/
public interface ODGFigure extends Figure {
/**
* Returns true, if this figure is empty for one of the following
* reasons:
* <ul>
* <li>A group has no children</li>
* <li>A path has less than two points</li>
* <li>An ellipse or a rectangle has a width or a height of 0</li>
* <li>A text has no characters</li>
* </ul>
*/
public boolean isEmpty();
}