Application: gvSIG desktop

/*

 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.

 * 

 * Copyright (C) 2004-5. 

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 * 

 * cresques@gmail.com

 */

package org.cresques.px.gml;

import java.awt.Color;

import java.awt.geom.Point2D;

import java.awt.Graphics2D;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.Polygon2D;

import org.cresques.geo.ViewPortData;

import org.cresques.px.Extent;

/**

 * Geometria de tipo Polygon

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

public class Polygon extends Geometry {

        final static Color colorBase = new Color(192, 64, 64);

        final static Color fColorBase = new Color(192,64,64,0x10);// new Color(255,192,192,64);

        public static int pointNr = 0;

        Polygon2D outPol = null;

        Polygon2D inPol = null;

        boolean outer = true;

        public Polygon() {

                super();

                outPol = new Polygon2D();

                inPol = new Polygon2D();

        }

        public void add(Point2D pt) {

                pointNr++;

                if (outer)

                        outPol.addPoint(pt);

                else

                        inPol.addPoint(pt);

                extent.add(pt);

        }

        public Point2D get(int i) {

                if (outer)

                        return (Point2D) outPol.get(i);

                return (Point2D) inPol.get(i);

        }

        public void remove(int i) {

                if (outer)

                        outPol.remove(i);

                else

                        inPol.remove(i);

        }

        public int pointNr() {

                if (outer)

                        return outPol.size();

                return inPol.size();

        }

        public void setOuterBoundary() { outer=true; }

        public void setInnerBoundary() { outer=false; }

        private Color fillColor = fColorBase; //new Color(255,222,165,64);

        private Color color = colorBase; //Color(255,214,132,255);

        public Color c() {return color;}

        public Color c(Color color) {this.color = color; return color;}

        public Color fillColor() {return fillColor;}

        public Color fillColor(Color c) {fillColor = c; return fillColor;}

        public IProjection getProjection() { return proj; }

        public void setProjection(IProjection p) { proj = p; }

        public void reProject(ICoordTrans rp) {

                Polygon2D savePol = outPol;

                outPol = new Polygon2D();

                extent = new Extent();

                Point2D ptDest = null;

                for (int i=0; i<savePol.size(); i++) {

                        ptDest = rp.getPDest().createPoint(0.0,0.0);

                        ptDest = rp.convert((Point2D) savePol.get(i), ptDest);

                        outPol.addPoint(ptDest);

                        extent.add(ptDest);

                }

                setProjection(rp.getPDest());

        }

        public void draw(Graphics2D g, ViewPortData vp) {

                // relleno el poligono si es preciso

                if (fillColor() != null) {

                        g.setColor(fillColor());

                        outPol.fill(g, vp);

                }

                // pinto el poligono si es preciso

                g.setColor(c());

                outPol.draw(g, vp);

        }

}