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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 java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.GeneralPath;

import java.awt.geom.Point2D;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.ViewPortData;

import org.cresques.io.DxfGroup;

import org.cresques.px.Extent;

/**

 * Linea de autocad (.dxf, .dwg)

 * jmorell: Actualizaci?n de la escritura de l?neas al formato DXF2000.

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

 */

public class DxfLine extends DxfEntity {

        final static Color baseColor = new Color(255, 106, 121);

        Point2D [] pts;

        GeneralPath gp = null;

        public DxfLine(IProjection proj, DxfLayer layer, Point2D p1, Point2D p2) {

                super(proj, layer);

                extent = new Extent(p1, p2);

                pts = new Point2D[2];

                pts[0] = p1; pts[1] = p2;

        }

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

        public Color c() {return color;}

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

        public void reProject(ICoordTrans rp) {

                Point2D [] savePts = pts;

                pts = new Point2D[2];

                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());

        }

        public void draw(Graphics2D g, ViewPortData vp) {

                if (dxfColor == AcadColor.BYLAYER)

                        g.setColor(layer.getColor());

                else

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

                newGP(vp);

                g.draw(gp);

        }

        private void newGP(ViewPortData vp) {

                //if (gp != null) return;

                Point2D.Double pt0 = new Point2D.Double(0.0, 0.0);

                Point2D.Double pt1 = new Point2D.Double(0.0, 0.0);

                vp.mat.transform((Point2D) pts[0], pt0);

                vp.mat.transform((Point2D) pts[1], pt1);

                gp = new GeneralPath();

                gp.moveTo((float)pt0.getX(), (float)pt0.getY());

                gp.lineTo((float)pt1.getX(), (float)pt1.getY());

        }

        /**

         * 050222,jmorell: Escritura de l?neas en un DXF2000.

         */

        public String toDxfString() {

                StringBuffer sb = null;

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

                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, "AcDbLine") );

                sb.append( DxfGroup.toString(10, pts[0].getX(), 6) );

                sb.append( DxfGroup.toString(20, pts[0].getY(), 6) );

                sb.append( DxfGroup.toString(11, pts[1].getX(), 6) );

                sb.append( DxfGroup.toString(21, pts[1].getY(), 6) );

                return sb.toString();

        }

        /**

         * @return

         */

        public Point2D[] getPts() {

                return pts;

        }

}