Application: gvSIG desktop

/* 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.

 *

 */

/*

 * AUTHORS (In addition to CIT):

 * 2009 {Iver T.I.}   {Task}

 */

package org.gvsig.fmap.geom.primitive.impl;

import java.awt.geom.Rectangle2D;

import org.cresques.cts.ICoordTrans;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class Envelope2D extends DefaultEnvelope{

        public static final String PERSISTENCE_DEFINITION_NAME = "Envelope2Dimensions";

        public Envelope2D() {

                super();

                min = new Point2D(0, 0);

                max = new Point2D(0, 0);

        }

        public Envelope2D(Point min, Point max) {

                super(min, max);

        }

        public Envelope2D(double minX,double minY,double maxX, double maxY){

                this(new Point2D(minX, minY), new Point2D(maxX, maxY));

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.geom.primitive.Envelope#getDimension()

         */

        public int getDimension() {

                return 2;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.geom.primitive.Envelope#convert(org.cresques.cts.ICoordTrans)

         */

        public Envelope convert(ICoordTrans trans) {

                if (this.getDimension() > 2) {

                        return null;

                }

                Rectangle2D rect = new Rectangle2D.Double(this.getMinimum(0), this

                                .getMinimum(1), this.getLength(0), this.getLength(1));

                Rectangle2D rectDest = trans.convert(rect);

                if (rectDest == null){

                        return null;

                }

                Point2D p1 = new Point2D(rectDest.getMinX(), rectDest.getMinY());

                Point2D p2 = new Point2D(rectDest.getMaxX(), rectDest.getMaxY());

                return new Envelope2D(p1, p2);

        }

        public static void registerPersistent() {

                PersistenceManager manager = ToolsLocator.getPersistenceManager();

                if( manager.getDefinition(PERSISTENCE_DEFINITION_NAME)==null ) {

                        DynStruct definition = manager.addDefinition(

                                        Envelope2D.class,

                                        PERSISTENCE_DEFINITION_NAME,

                                        "Envelope2D persistence definition",

                                        null,

                                        null

                        );

                        definition.extend(manager.getDefinition(DefaultEnvelope.PERSISTENCE_DEFINITION_NAME));

                }

        }

}