canvaslistener.java

GEo 地理操作源代码

/**************************************************************************************************
 **
 ** $Id: CanvasListener.java,v 1.1 2004/03/02 03:14:41 gregreynolds Exp $
 **
 ** $Source: /cvsroot/geoapi/src/org/opengis/go/display/canvas/CanvasListener.java,v $
 **
 ** Copyright (C) 2003 Open GIS Consortium, Inc. All Rights Reserved. http://www.opengis.org/Legal/
 **
 *************************************************************************************************/
package org.opengis.go.display.canvas;

/**
 * The one method in this interface is called by a <code>Canvas</code> when
 * its state has changed.
 *
 * @author Open GIS Consortium, Inc.
 * @version $Revision: 1.1 $, $Date: 2004/03/02 03:14:41 $
 */
public interface CanvasListener {

    /**
     * This method is called by a <code>Canvas</code> when its state has
     * changed.
     * @param canvas The Canvas whose state has changed
     * @param newState The state of the canvas (for convenience)
     */
    public void canvasChanged(Canvas canvas, CanvasState newState);

}