Application: gvSIG desktop » gvSIG data provider for DXF

/*

 * 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.gvsig.dxf.px.gml;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.Point2D;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.ViewPortData;

import org.cresques.px.Extent;

import org.gvsig.dxf.geo.Polygon2D;

/**

 * 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;

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

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

    public Polygon() {

        super();

        outPol = new Polygon2D();

        inPol = new Polygon2D();

    }

    public boolean is3D() {

        if( this.isEmpty() ) {

            return false;

        }

        Object x = this.get(0);

        return x instanceof Point3D;

    }

    public void add(Point2D pt) {

        pointNr++;

        if (outer) {

            outPol.addPoint(pt);

        } else {

            inPol.addPoint(pt);

        }

        extent.add(pt);

    }

    public boolean isEmpty() {

        if (outer) {

            if( !outPol.isEmpty() ) {

                return false;

            }

        }

        return inPol.isEmpty();

    }

    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;

    }

    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);

    }

}