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.line;

import com.vividsolutions.jts.geom.Coordinate;

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

import org.gvsig.fmap.geom.Geometry;

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.Line;

/**

 * @author fdiaz

 *

 */

public class Line2DM extends BaseLine2DM implements Line {

    /**

     *

     */

    private static final long serialVersionUID = -2400803975672135247L;

    /**

     *

     */

    public Line2DM() {

        super(Geometry.TYPES.LINE);

    }

    /**

     * @param coordinates

     */

    public Line2DM(Coordinate[] coordinates) {

        super(Geometry.TYPES.LINE, coordinates);

    }

    /* (non-Javadoc)

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

     */

    @Override

    public Line cloneGeometry() {

        Line2DM clone = new Line2DM(cloneCoordinates().toCoordinateArray());

        clone.setProjection(this.getProjection());

        return clone;

    }

    @Override

    @SuppressWarnings("CloneDoesntCallSuperClone")

    public Line clone() throws CloneNotSupportedException {

        return this.cloneGeometry();

    }

    /* (non-Javadoc)

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

     */

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

        if (isClosed()) {

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

        } else {

//            return JTSUtils.offsetRawOpenLine(this.coordinates, distance);

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

        }

    }

    @Override

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

        if (isClosed(0)) {

            return JTSUtils.offsetClosedLine(

                    this.getProjection(), 

                    this.coordinates, 

                    joinStyle, 

                    distance

            );

        } else {

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

            return OpenJUMPUtils.offsetCleanOpenLine(

                    this.getProjection(), 

                    this.coordinates, 

                    bufParams, 

                    distance

            );

        }

    }

    @Override

    public boolean equals(Object obj) {

        boolean res = super.equals(obj);

        if(res && obj instanceof Line2DM){

            Line2DM other = (Line2DM)obj;

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

                return false;

            }

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

                if(other.coordinates.get(i).getOrdinate(2)!=this.coordinates.get(i).getOrdinate(2)){

                    return false;

                };

            }

            return true;

        } else {

            return false;

        }

    }

}