/* Create a rectangle, rounded rectangle, or ellipse with the size and
position specified by the user.
Copyright (c) 2003-2006 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the above
copyright notice and the following two paragraphs appear in all copies
of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.
PT_COPYRIGHT_VERSION_2
COPYRIGHTENDKEY
*/
package ptolemy.domains.gr.lib;
import ptolemy.kernel.CompositeEntity;
import ptolemy.kernel.util.IllegalActionException;
import ptolemy.kernel.util.NameDuplicationException;
import diva.canvas.toolbox.BasicFigure;
//////////////////////////////////////////////////////////////////////////
//// Ellipse2D
/**
An actor that creates an ellipse. The initial size, position, and type of
figure are specified in the parameter edit window and can be changed
after the figure has been displayed.
@author Ismael M. Sarmiento, Steve Neuendorffer
@version $Id$
@since Ptolemy II 4.0
@Pt.ProposedRating Green (ismael)
@Pt.AcceptedRating Yellow (chf)
*/
public class Ellipse2D extends RectangularFigure2D {
/** Construct an actor with the given container and name.
* @param container The container.
* @param name The name of this actor.
* @exception IllegalActionException If the actor cannot be contained
* by the proposed container.
* @exception NameDuplicationException If the container already has an
* actor with this name.
*/
public Ellipse2D(CompositeEntity container, String name)
throws IllegalActionException, NameDuplicationException {
super(container, name);
}
///////////////////////////////////////////////////////////////////
//// protected methods ////
/** Implement the base class to create a rectangular shape.
* @exception IllegalActionException If a parameter value is not valid.
*/
protected BasicFigure _createFigure() throws IllegalActionException {
java.awt.geom.Ellipse2D.Double ellipse = new java.awt.geom.Ellipse2D.Double();
ellipse.setFrameFromCenter(_getCenterPoint(), _getCornerPoint());
return new BasicFigure(ellipse);
}
/** Update the figure's position and size when the user changes
* the appropriate parameters.
* @exception IllegalActionException If a parameter value is not valid.
*/
protected void _updateFigure() throws IllegalActionException {
java.awt.geom.Ellipse2D.Double ellipse = new java.awt.geom.Ellipse2D.Double();
ellipse.setFrameFromCenter(_getCenterPoint(), _getCornerPoint());
_figure.setPrototypeShape(ellipse);
}
}