Application: gvSIG desktop

/*

 * 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.Graphics2D;

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;

/**

 * Entidad TEXT de AutoCAD

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

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

 */

public class DxfPoint extends DxfEntity {

        private Point2D pt;

        public DxfPoint(IProjection proj, DxfLayer layer) {

                super(proj, layer);

                extent = new Extent();

                pt = new Point2D.Double();

        }

        public void setPt(Point2D pt) { 

                this.pt = pt;

                extent.add(pt);

        }

        public void reProject(ICoordTrans rp) {

                Point2D savePt = pt;

                pt = new Point2D.Double();

                extent = new Extent();

                Point2D ptDest = rp.getPDest().createPoint(0.0,0.0);

                if (savePt == null)

                        ptDest = null;

                else {

                        ptDest = rp.convert((Point2D) savePt, ptDest);

                        extent.add(ptDest);

                }

                pt = ptDest;

                setProjection(rp.getPDest());

        }

        public void draw(Graphics2D g, ViewPortData vp) {

                //AffineTransform msave=g.getTransform();

                //g.setTransform(vp.mat);

                if (dxfColor == AcadColor.BYLAYER)

                        g.setColor(layer.getColor());

                else

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

                Point2D ptT = new Point2D.Double(0, 0);

                vp.mat.transform(ptT, ptT);

                ptT.setLocation(pt.getX(), pt.getY());

                vp.mat.transform(ptT, ptT);

                g.drawLine((int) ptT.getX(), (int)ptT.getY(), (int) ptT.getX(), (int)ptT.getY());

                //g.setTransform(msave);

        }

        /**

         * 050221, jmorell: Escritura de puntos en un DXF2000.

         */

        public String toDxfString() {

                StringBuffer sb = null;

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

                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, "AcDbPoint") );

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

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

                sb.append( DxfGroup.toString(30, 0.0, 6) );

                return sb.toString();

        }

        /**

         * @return Returns the pt.

         */

        public Point2D getPt() {

                return pt;

        }

}