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/*

 * 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.dxf;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.ViewPortData;

import org.cresques.px.Extent;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.GeneralPath;

import java.awt.geom.Point2D;

/**

 * Entidad SOLID de un fichero DXF.

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

 * @author jmorell

 */

public class DxfSolid extends DxfEntity {

    final static Color baseColor = new Color(69, 106, 121);

    //Vector points = null;

    Point2D[] pts;

    GeneralPath gp = null;

    boolean closed = true;

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

    /**

     * Constructor de DxfSolid.

     * @param proj, proyecci?n cartogr?fica en la que se encuentra el DxfSolid.

     * @param layer, capa del DXF en la que se encuentra el DxfSolid.

     * @param pts, puntos 2D que componen el DxfSolid.

     */

    public DxfSolid(IProjection proj, DxfLayer layer, Point2D[] pts) {

        super(proj, layer);

        Point2D aux = pts[2];

        pts[2] = pts[3];

        pts[3] = aux;

        this.pts = pts;

        extent = new Extent();

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

            extent.add(pts[i]);

        }

    }

    /**

     * Devuelve el color del DxfSolid.

     * @return Color

     */

    public Color c() {

        return color;

    }

    /**

     * Establece el color del DxfSolid.

     * @param color

     * @return Color

     */

    public Color c(Color color) {

        this.color = color;

        return color;

    }

    /**

     * Permite reproyectar un DxfSolid dado un conjunto de coordenadas de transformaci?n.

     * @param rp, coordenadas de transformaci?n.

     */

    public void reProject(ICoordTrans rp) {

        Point2D[] savePts = pts;

        pts = new Point2D[savePts.length];

        extent = new Extent();

        Point2D ptDest = null;

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

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

            ptDest = rp.convert((Point2D) savePts[i], ptDest);

            pts[i] = ptDest;

            extent.add(ptDest);

        }

        setProjection(rp.getPDest());

    }

    /**

     * Permite dibujar un DxfSolid.

     */

    public void draw(Graphics2D g, ViewPortData vp) {

        //System.out.println("Va a pintar un solid");

        Color color = null;

        if (dxfColor == AcadColor.BYLAYER) {

            //g.setColor(layer.getColor());

            color = layer.getColor();

        } else {

            //g.setColor(AcadColor.getColor(dxfColor));

            color = AcadColor.getColor(dxfColor);

        }

        newGP(vp);

        if (closed) {

            g.setColor(new Color(color.getRed(), color.getBlue(),

                                 color.getGreen(), 0x20));

            g.fill(gp);

        }

        g.setColor(color);

        g.draw(gp);

    }

    /**

     * Permite generar un GeneralPath partiendo del array de Point2D que conforma el

     * DxfSolid.

     * @param vp

     */

    private void newGP(ViewPortData vp) {

        //if (gp != null) return;

        gp = new GeneralPath();

        Point2D pt0 = null;

        Point2D pt = null;

        Point2D pt1 = null;

        Point2D.Double ptTmp = new Point2D.Double(0.0, 0.0);

        //System.out.println("pts.length = " + pts.length);

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

            pt1 = (Point2D) pts[i];

            vp.mat.transform(pt1, ptTmp);

            if (pt0 == null) {

                pt0 = ptTmp;

                gp.moveTo((float) ptTmp.getX(), (float) ptTmp.getY());

            } else {

                gp.lineTo((float) ptTmp.getX(), (float) ptTmp.getY());

            }

        }

        if (closed) {

            gp.closePath();

        }

    }

    /* (non-Javadoc)

     * @see org.cresques.px.dxf.DxfEntity#toDxfFileString()

     */

    public String toDxfString() {

        // TODO Auto-generated method stub

        return "";

    }

    /**

     * Devuelve el array de puntos que conforman el DxfSolid.

     * @return Point2D[], puntos del DxfSolid.

     */

    public Point2D[] getPts() {

        return pts;

    }

}