Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.raster.georeferencing.swing.view;

import java.awt.Color;

import java.awt.geom.Rectangle2D;

import org.gvsig.raster.georeferencing.swing.exception.InvalidRequestException;

/**

 * 

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public interface IViewRequestManager {

        /**

         * Petici?n de coordenadas al pulsar zoom m?s o zoom menos en el control.

         * Estas coordenadas son calculadas a partir del extent del control actual aplicando

         * un escalado sobre este. La coordenada central del control se mantiene invariante, es

         * decir, el zoom se calcula sobre el centro actual. El escalado del siguiente buffer

         * pasado en setParams ser? de 1.0.

         * @param Rectangle2D extent

         * @return Extent aplicado

         */

        public Rectangle2D request(Rectangle2D extent)throws InvalidRequestException;

        /**

         * Extensi?n completa de la capa.

         */

        public void fullExtent() throws InvalidRequestException ;

        /**

         * Asigna el color de fondo

         * @param backGroundColor

         */

        public void setBackGroundColor(Color backGroundColor);

        /**

         * Asigna la capa de puntos de control

         * @param gl

         */

        public void setGCPsGraphicLayer(IGraphicLayer gl);

}