/*
Copyright (c) 1998-2005 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
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THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
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PT_COPYRIGHT_VERSION_2
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*
*/
package diva.canvas.interactor;
import diva.canvas.Figure;
/** An interface that defines rendering for selections.
* An implementation of this class modifies the representation
* of a figure, or adds additional graphics to the context
* in which the figure is drawn, to produce selected and
* deselected renderings of the figure.
*
* <p> (Should this be made into a more general class?)
*
* @version $Id$
* @author John Reekie
*/
public interface SelectionRenderer {
/** Test if the given figure is currently rendered selected.
*/
public abstract boolean isRenderedSelected(Figure f);
/** Set the rendering of the figure as deselected.
* If the figure is not rendered selected, do nothing.
*/
public abstract void renderDeselected(Figure f);
/** Set the rendering of the figure as selected. If the figure is
* already rendered that way, update the rendering to reflect
* the figure's current position and state.
*/
public abstract void renderSelected(Figure f);
}