Application: gvSIG desktop

package org.cresques.px.gml;

/*

 * Created on 21-abr-2004

 */

import java.awt.Color;

import java.awt.geom.Point2D;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import org.cresques.geo.Polygon2D;

import org.cresques.geo.Projection;

import org.cresques.geo.ReProjection;

import org.cresques.geo.ViewPort;

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 = null; //new Color(192,192,192,32);// 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 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 Projection getProjection() { return proj; }

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

        public void reProject(ReProjection 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);

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

                        outPol.addPoint(ptDest);

                        extent.add(ptDest);

                }

                setProjection(rp.getPDest());

        }

        public void draw(Graphics2D g, ViewPort vp) {

                AffineTransform msave=g.getTransform();

                g.setTransform(vp.mat);

                // relleno el poligono si es preciso

                if (fillColor() != null) {

                        g.setColor(fillColor());

                        outPol.fill(g);

                }

                // pinto el poligono si es preciso

                g.setColor(c());

                outPol.draw(g);

                g.setTransform(msave);

        }

}