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.surface.ellipse;

import com.vividsolutions.jts.geom.Coordinate;

import java.awt.geom.PathIterator;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryException;

import org.gvsig.fmap.geom.aggregate.MultiLine;

import org.gvsig.fmap.geom.aggregate.MultiPoint;

import org.gvsig.fmap.geom.aggregate.MultiPolygon;

import org.gvsig.fmap.geom.jts.aggregate.MultiLine2DM;

import org.gvsig.fmap.geom.jts.aggregate.MultiPoint2DM;

import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon2DM;

import org.gvsig.fmap.geom.jts.mgeom.MCoordinate;

import org.gvsig.fmap.geom.jts.primitive.curve.line.Line2DM;

import org.gvsig.fmap.geom.jts.primitive.point.Point2DM;

import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon2DM;

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

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

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

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

/**

 * @author fdiaz

 *

 */

public abstract class BaseEllipse2DM extends AbstractEllipse {

    private double mValue = Double.NaN;

    /**

     * @param subtype

     */

    public BaseEllipse2DM(int type) {

        super(type, Geometry.SUBTYPES.GEOM2DM);

    }

    /*

     * (non-Javadoc)

     *

     * @see

     * org.gvsig.fmap.geom.jts.primitive.curve.line.AbstractLine#fixPoint(org

     * .gvsig.fmap.geom.primitive.Point)

     */

    @Override

    protected Point fixPoint(Point point) {

        if (point instanceof Point2DM) {

            Point2DM point2DM = (Point2DM) point;

            if (Double.isNaN(mValue) && !(Double.isNaN(point2DM.getM()))) {

                mValue = point2DM.getM();

                if (init!=null) {

                    ((Point2DM) init).setM(mValue);

                }

                if (end!=null) {

                    ((Point2DM) end).setM(mValue);

                }

                return point2DM;

            }

        }

        return new Point2DM(point.getX(), point.getY(), Double.isNaN(mValue)?0:mValue);

    }

    /**

     * @return

     */

    protected ArrayListCoordinateSequence getJTSCoordinates() {

        PathIterator pi = getPathIterator(null);

        ArrayListCoordinateSequence coordinates = new ArrayListCoordinateSequence();

        double coords[] = new double[6];

        while (!pi.isDone()) {

            switch (pi.currentSegment(coords)) {

            case PathIterator.SEG_MOVETO:

                coordinates.add(new MCoordinate(coords[0], coords[1], Double.NaN, mValue));

                break;

            case PathIterator.SEG_LINETO:

                coordinates.add(new MCoordinate(coords[0], coords[1], Double.NaN, mValue));

                break;

            case PathIterator.SEG_QUADTO:

                coordinates.add(new MCoordinate(coords[0], coords[1], Double.NaN, mValue));

                coordinates.add(new MCoordinate(coords[2], coords[3], Double.NaN, mValue));

                break;

            case PathIterator.SEG_CUBICTO:

                coordinates.add(new MCoordinate(coords[0], coords[1], Double.NaN, mValue));

                coordinates.add(new MCoordinate(coords[2], coords[3], Double.NaN, mValue));

                coordinates.add(new MCoordinate(coords[4], coords[5], Double.NaN, mValue));

                break;

            case PathIterator.SEG_CLOSE:

                if(!coordinates.isEmpty() && !coordinates.get(0).equals(coordinates.get(coordinates.size()-1))){

                    coordinates.add((Coordinate) coordinates.get(0).clone());

                }

                break;

            }

            pi.next();

        }

        return coordinates;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Line#toPoints()

     */

    public MultiPoint toPoints() throws GeometryException {

        MultiPoint multiPoint = new MultiPoint2DM();

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

        multiPoint.ensureCapacity(coordinates.length);

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

            multiPoint.addPoint(new Point2DM(this.getProjection(), coordinates[i]));

        }

        return multiPoint;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Line#toLines()

     */

    public MultiLine toLines() throws GeometryException {

        MultiLine multiLine = new MultiLine2DM();

        Line line = new Line2DM(getJTS().getCoordinates());

        multiLine.addPrimitive(line);

        return multiLine;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Line#toPolygons()

     */

    public MultiPolygon toPolygons() throws GeometryException {

        MultiPolygon multiPolygon = new MultiPolygon2DM();

        Polygon polygon = new Polygon2DM(getJTS().getCoordinates());

        multiPolygon.addPrimitive(polygon);

        return multiPolygon;

    }

}