Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.geom.jts.primitive.curve.spline;

import com.vividsolutions.jts.geom.Coordinate;

import com.vividsolutions.jts.operation.buffer.BufferParameters;

import java.util.ArrayList;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence;

import org.gvsig.fmap.geom.jts.util.JTSUtils;

import org.gvsig.fmap.geom.jts.util.OpenJUMPUtils;

import org.gvsig.fmap.geom.operation.GeometryOperationException;

import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException;

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

/**

 * @author fdiaz

 *

 */

public class Spline3D extends BaseSpline3D implements Spline {

    /**

     *

     */

    private static final long serialVersionUID = 8377943996574176559L;

    /**

     * @param subtype

     */

    public Spline3D() {

        super(Geometry.TYPES.SPLINE);

    }

    /**

    *

    */

    public Spline3D(Coordinate[] coordinates) {

        super(Geometry.TYPES.SPLINE, coordinates);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.Geometry#cloneGeometry()

     */

    @Override

    public Geometry cloneGeometry() {

        Spline3D clone = new Spline3D(cloneCoordinates().toCoordinateArray());

        clone.setProjection(this.getProjection());

        return clone;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.Geometry#offset(double)

     */

    public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException {

        Coordinate[] coords = getJTS().getCoordinates();

        ArrayListCoordinateSequence listCoordSequence = new ArrayListCoordinateSequence(new ArrayList<Coordinate>());

        for (int i = 0; i < coords.length; i++) {

            listCoordSequence.add(coords[i]);

        }

        if (isClosed()) {

            return JTSUtils.offsetClosedLine(this.getProjection(), listCoordSequence, distance);

        } else {

            return OpenJUMPUtils.offsetCleanOpenLine(this.getProjection(), listCoordSequence, distance);

        }

    }

    @Override

    public Geometry offset(int joinStyle, double distance) throws GeometryOperationNotSupportedException, GeometryOperationException {

        Coordinate[] coords = getJTS().getCoordinates();

        ArrayListCoordinateSequence listCoordSequence = new ArrayListCoordinateSequence(new ArrayList<Coordinate>());

        for (int i = 0; i < coords.length; i++) {

            listCoordSequence.add(coords[i]);

        }

        if (isClosed()) {

            return JTSUtils.offsetClosedLine(this.getProjection(), listCoordSequence, joinStyle, distance);

        } else {

            BufferParameters bufParams = JTSUtils.getBufferParameters(joinStyle, BufferParameters.CAP_FLAT);

            return OpenJUMPUtils.offsetCleanOpenLine(this.getProjection(), listCoordSequence, bufParams, distance);

        }

    }

    @Override

    public boolean equals(Object obj) {

        boolean res = super.equals(obj);

        if(res && obj instanceof Spline3D){

            Spline3D other = (Spline3D)obj;

            if(this.getNumVertices() != other.getNumVertices()){

                return false;

            }

            for(int i=0; i < this.getNumVertices(); i++){

                Coordinate coordinate = this.coordinates.get(i);

                Coordinate otherCoordinate = other.coordinates.get(i);

                if (otherCoordinate.getOrdinate(2) != coordinate.getOrdinate(2)) {

                    return false;

                }

            }

            return true;

        } else {

            return false;

        }

    }

}