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.polygon;

import java.awt.geom.AffineTransform;

import java.awt.geom.PathIterator;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import com.vividsolutions.jts.geom.Coordinate;

import com.vividsolutions.jts.geom.GeometryFactory;

import com.vividsolutions.jts.geomgraph.Position;

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

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

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.MultiPolygon;

import org.gvsig.fmap.geom.jts.GeometryJTS;

import org.gvsig.fmap.geom.jts.aggregate.MultiLine2D;

import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon2D;

import org.gvsig.fmap.geom.jts.primitive.curve.line.BaseLine2D;

import org.gvsig.fmap.geom.jts.primitive.curve.line.Line2D;

import org.gvsig.fmap.geom.jts.primitive.point.Point2D;

import org.gvsig.fmap.geom.jts.primitive.ring.Ring2D;

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

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

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

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

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

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

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

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

/**

 * @author fdiaz

 *

 */

public class Polygon2D extends BaseLine2D implements Polygon {

    /**

     *

     */

    private static final long serialVersionUID = 4927309852756014929L;

    List<Ring> interiorRings = new ArrayList<Ring>();

    /**

     * @param subtype

     */

    public Polygon2D() {

        super(Geometry.TYPES.POLYGON);

    }

    /**

    *

    */

    public Polygon2D(Coordinate[] coordinates) {

        super(Geometry.TYPES.POLYGON, coordinates);

        closePrimitive();

    }

    /*

     * (non-Javadoc)

     *

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

     */

    public Geometry cloneGeometry() {

        Polygon2D cloned = new Polygon2D(cloneCoordinates().toCoordinateArray());

        for (int i = 0; i < getNumInteriorRings(); i++){

            cloned.addInteriorRing((Ring)getInteriorRing(i).cloneGeometry());

        }

        return cloned;

    }

    /*

     * (non-Javadoc)

     *

     * @see

     * org.gvsig.fmap.geom.primitive.Surface#setSurfaceAppearance(org.gvsig.

     * fmap.geom.primitive.SurfaceAppearance)

     */

    public void setSurfaceAppearance(SurfaceAppearance app) {

        // TODO Auto-generated method stub

    }

    /*

     * (non-Javadoc)

     *

     * @see org.gvsig.fmap.geom.primitive.Surface#getSurfaceAppearance()

     */

    public SurfaceAppearance getSurfaceAppearance() {

        // TODO Auto-generated method stub

        return null;

    }

    /*

     * (non-Javadoc)

     *

     * @see org.gvsig.fmap.geom.primitive.Surface#getNumInteriorRings()

     */

    public int getNumInteriorRings() {

        return interiorRings.size();

    }

    /*

     * (non-Javadoc)

     *

     * @see org.gvsig.fmap.geom.primitive.Surface#getInteriorRing(int)

     */

    public Ring getInteriorRing(int index) {

        return interiorRings.get(index);

    }

    /*

     * (non-Javadoc)

     *

     * @see

     * org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.

     * geom.primitive.Ring)

     */

    public void addInteriorRing(Ring ring) {

        interiorRings.add(ring);

    }

    /*

     * (non-Javadoc)

     *

     * @see

     * org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.

     * geom.primitive.Line)

     */

    public void addInteriorRing(Line line) {

        Ring2D ring = new Ring2D();

        ring.ensureCapacity(line.getNumVertices());

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

            Point vertex = line.getVertex(i);

            ring.addVertex(new Point2D(vertex.getX(), vertex.getY()));

        }

        ring.closePrimitive();

        interiorRings.add(ring);

    }

    /*

     * (non-Javadoc)

     *

     * @see

     * org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.

     * geom.primitive.Polygon)

     */

    public void addInteriorRing(Polygon polygon) {

        Ring2D ring = new Ring2D();

        ring.ensureCapacity(polygon.getNumVertices());

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

            Point vertex = polygon.getVertex(i);

            ring.addVertex(new Point2D(vertex.getX(), vertex.getY()));

        }

        ring.closePrimitive();

        interiorRings.add(ring);

    }

    /*

     * (non-Javadoc)

     *

     * @see org.gvsig.fmap.geom.primitive.Surface#removeInteriorRing(int)

     */

    public void removeInteriorRing(int index) {

        interiorRings.remove(index);

    }

    /* (non-Javadoc)

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

     */

    public MultiLine toLines() throws GeometryException {

        MultiLine multiLine = new MultiLine2D();

        multiLine.addPrimitive(new Line2D(coordinates.toCoordinateArray()));

        return multiLine;

    }

    /* (non-Javadoc)

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

     */

    public MultiPolygon toPolygons() throws GeometryException {

        MultiPolygon multiPolygon = new MultiPolygon2D();

        multiPolygon.addPrimitive(this);

        return multiPolygon;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()

     */

    public com.vividsolutions.jts.geom.Geometry getJTS() {

        return JTSUtils.createJTSPolygon(coordinates, interiorRings);

    }

    /*

     * (non-Javadoc)

     *

     * @see

     * org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform

     * )

     */

    public PathIterator getPathIterator(AffineTransform at) {

        PolygonIterator pi = new PolygonIterator(this, at);

        return pi;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.jts.GeometryJTS#ensureOrientation(boolean)

     */

    public boolean ensureOrientation(boolean ccw) throws GeometryOperationNotSupportedException, GeometryOperationException {

        boolean result = super.ensureOrientation(ccw);

        for (Iterator<Ring> iterator = interiorRings.iterator(); iterator.hasNext();) {

            GeometryJTS ring = (GeometryJTS) iterator.next();

            ring.ensureOrientation(!ccw);

        }

        return result;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.jts.primitive.curve.line.AbstractLine#flip()

     */

    @Override

    public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException {

        super.flip();

        for (Iterator<Ring> iterator = interiorRings.iterator(); iterator.hasNext();) {

            GeometryJTS ring = (GeometryJTS) iterator.next();

            ring.flip();

        }

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.jts.primitive.curve.line.AbstractLine#transform(java.awt.geom.AffineTransform)

     */

    @Override

    public void transform(AffineTransform at) {

        super.transform(at);

        for (Iterator<Ring> iterator = interiorRings.iterator(); iterator.hasNext();) {

            GeometryJTS ring = (GeometryJTS) iterator.next();

            ring.transform(at);

        }

    }

  /* (non-Javadoc)

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

  */

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

        return JTSUtils.createGeometry(getJTS().buffer(distance));

    }

}