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.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;

/**

 * Entidad TEXT de AutoCAD

 * jmorell: Definici?n de atributos para el piloto de CAD e implementaci?n de

 * la escritura en formato DXF2000.

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

 */

public class DxfCircle extends DxfEntity {

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

        //Vector points = null;

        Point2D [] pts;

        GeneralPath gp = null;

        boolean closed = true;

        private Point2D center;

        private double radius;

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

                super(proj, layer);

                this.pts = pts;

                extent = new Extent();

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

                        extent.add(pts[i]);

                }

        }

        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[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);

                        this.pts[i] = ptDest;

                        extent.add(ptDest);

                }

                setProjection(rp.getPDest());

        }

        public void draw(Graphics2D g, ViewPortData vp) {

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

                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(), 0x80));

                        g.fill(gp);

                } 

                g.setColor(color);

                g.draw(gp);

        }

        private void newGP(ViewPortData vp) {

                //if (gp != null) return;

                gp = new GeneralPath();

                Point2D pt0 = null, pt=null, 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();                        

                }

        }

        /**

         * Escritura de c?rculos en un DXF2000.

         */

        public String toDxfString() {

                StringBuffer sb = null;

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

                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, "AcDbCircle") );

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

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

                sb.append( DxfGroup.toString(40, getRadius(), 6) );

                return sb.toString();

        }

        /**

         * @return

         */

        public Point2D[] getPts() {

                return pts;

        }

        /**

         * @return

         */

        /*public GeneralPath getGeneralPath(ViewPort vp) {

                newGP(vp);

                return (GeneralPath) gp.clone();

        }*/

        /**

         * @return Returns the radius.

         */

        public double getRadius() {

                return radius;

        }

        /**

         * @param radius The radius to set.

         */

        public void setRadius(double radius) {

                this.radius = radius;

        }

        /**

         * @return Returns the center.

         */

        public Point2D getCenter() {

                return center;

        }

        /**

         * @param center The center to set.

         */

        public void setCenter(Point2D center) {

                this.center = center;

        }

}