Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package com.iver.cit.gvsig.fmap.layers;

import org.cresques.px.Extent;

/**

 * Este interfaz debe ser implementado por la clase que tenga la pila

 * de zooms.

 * @author Nacho Brodin (brodin_ign@gva.es)

 */

public interface IStackZoom {

        /**

         * A?ade un extent a la lista

         * @param ext

         */

        public void setZoom(Extent ext);

        /**

         * Recupera el ?ltimo extent aplicado

         * @return

         */

        public Extent getLastZoom();

        /**

         * Recupera el siguiente zoom. Se usa cuando se ha recuperado el ?ltimo

         * zoom y se quiere volver al siguiente.

         * @return

         */

        public Extent getNextZoom();

        /**

         * @return Returns the initExtent.

         */

        public Extent getInitExtent();

        /**

         * @param initExtent The initExtent to set.

         */

        public void setInitExtent(Extent initExtent, boolean incr);

}