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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.IProjection;

import org.cresques.io.DxfGroup;

import java.awt.geom.Point2D;

import java.util.Vector;

/**

 * Entidad LWPOLYLINE de un fichero DXF.

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

 * @author jmorell

 */

public class DxfLwPolyline extends DxfPolyline {

    /**

     * Constructor de DxfLwPolyline.

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

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

     */

    public DxfLwPolyline(IProjection proj, DxfLayer layer) {

        super(proj, layer);

    }

    /**

     * Permite la escritura de entidades DxfLwPolyline en un fichero DXF2000.

     * @return String, la cadena que se escribir? en el fichero con la informaci?n

     * de la DxfLwPolyline.

     */

    /**

     * 050302, jmorell: Si el 90 no est? antes que el 70, Autocad 2004 no cierra

     * las polil?neas.

     */

    public String toDxfString() {

        StringBuffer sb = null;

        sb = new StringBuffer(DxfGroup.toString(0, "LWPOLYLINE"));

        sb.append(DxfGroup.toString(5, getHandle()));

        sb.append(DxfGroup.toString(100, "AcDbEntity"));

        sb.append(DxfGroup.toString(8, layer.getName()));

        sb.append(DxfGroup.toString(62, dxfColor));

        sb.append(DxfGroup.toString(100, "AcDbPolyline"));

        sb.append(DxfGroup.toString(90, pts.size()));

        sb.append(DxfGroup.toString(70, flags));

        sb.append(DxfGroup.toString(38, new Double(getElevation())));

        Point2D pt = null;

        double bulge;

        Vector bulges = getBulges();

        /*Iterator iter = pts.iterator();

        while (iter.hasNext()) {

                pt = (Point2D) iter.next();

                sb.append( DxfGroup.toString(10, pt.getX(), 6) );

                sb.append( DxfGroup.toString(20, pt.getY(), 6) );

        }*/

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

            pt = (Point2D) pts.get(i);

            bulge = ((Double) bulges.get(i)).doubleValue();

            sb.append(DxfGroup.toString(10, pt.getX(), 6));

            sb.append(DxfGroup.toString(20, pt.getY(), 6));

            sb.append(DxfGroup.toString(42, bulge, 6));

        }

        return sb.toString();

    }

}