| gvSIG desktop 1

/*

 * Created on 03-feb-2007

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id: DwgMeshPolyline.java 10632 2007-03-06 19:39:38Z azabala $

* $Log$

* Revision 1.3  2007-03-06 19:39:38  azabala

* Changes to adapt dwg 12 to general architecture

*

* Revision 1.2  2007/03/02 20:31:22  azabala

* *** empty log message ***

*

* Revision 1.1  2007/03/01 19:58:53  azabala

* refactor of pface and mesh names

*

* Revision 1.2  2007/02/07 12:44:27  fdiaz

* A?adido o modificado el metodo clone para que el DwgObject se encargue de las propiedades comunes a todos los objetos.

* A?adido el metodo fill.

*

* Revision 1.1  2007/02/05 07:03:22  azabala

* *** empty log message ***

*

*

*/

package com.iver.cit.jdwglib.dwg.objects;

import java.awt.geom.Point2D;

import java.util.ArrayList;

import java.util.List;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.jdwglib.dwg.DwgFile;

import com.iver.cit.jdwglib.dwg.DwgHandleReference;

import com.iver.cit.jdwglib.dwg.DwgObject;

import com.iver.cit.jdwglib.dwg.IDwg2FMap;

import com.iver.cit.jdwglib.dwg.IDwgPolyline;

import com.iver.cit.jdwglib.dwg.IDwgVertex;

import com.iver.cit.jdwglib.util.GisModelCurveCalculator;

/**

 * This class is a Mesh (polyline mesh), what is different of

 * a Polyface mesh (polyline pface).

 * 

 * 

 * */

public class DwgMeshPolyline extends DwgObject

                implements IDwgPolyline, IDwg2FMap{

        private int flags;

        /**

         * Curves and smooth surface type (optional; default = 0); 

         * integer codes, not bit-coded:

                         0 = No smooth surface fitted

                         5 = Quadratic B-spline surface

                         6 = Cubic B-spline surface

                         8 = Bezier surface

         * */

        private int curveType;

        /**

         * Polygon mesh M vertex count

         * (if curvetype is Spline, it has smooth M density)

         */

        private int mVerticies;

        /**

         * Polygon mesh N vertex count

         * (if curvetype is Spline, it has smooth n density)

         * */

        private int nVerticies;

        /**

         * If the mesh is closed in the M direction

         * */

        private boolean isClosedM;

        /**

         * If the mesh is closed in the N direction

         * */

        private boolean isClosedN;

        /**

         * handle of the first vertex of the mesh

         * */

        private DwgHandleReference firstVertexHandle;

        /**

         * handle of the last vertex of the mesh

         * */

        private DwgHandleReference lastVertexHandle;

        /**

         * handle of the seqend of the mesh

         * */

        private DwgHandleReference seqendHandle;

        /**

         * Vertices of the mesh

         * */

        private List vertices;

        /**

         * Constructor 

         * */

        public DwgMeshPolyline(int index) {

                super(index);

        }

        public void setFlags(int flags) {

                this.flags = flags;

        }

        public void setCurveType(int curveType) {

                this.curveType = curveType;

        }

        public void setMVerticies(int verticies) {

                this.mVerticies = verticies;

        }

        public void setNVerticies(int verticies) {

                this.nVerticies = verticies;

        }

        public void setFirstVertexHandle(DwgHandleReference handle) {

                this.firstVertexHandle = handle;

        }

        public void setLastVertexHandle(DwgHandleReference handle) {

                this.lastVertexHandle = handle;

        }

        public void setSeqendHandle(DwgHandleReference handle) {

                this.seqendHandle = handle;

        }

        public int getCurveType() {

                return curveType;

        }

        public DwgHandleReference getFirstVertexHandle() {

                return firstVertexHandle;

        }

        public int getFlags() {

                return flags;

        }

        public DwgHandleReference getLastVertexHandle() {

                return lastVertexHandle;

        }

        public int getMVerticies() {

                return mVerticies;

        }

        public int getNVerticies() {

                return nVerticies;

        }

        public DwgHandleReference getSeqendHandle() {

                return seqendHandle;

        }

        public Object clone(){

                DwgMeshPolyline obj = new DwgMeshPolyline(index);

                this.fill(obj);

                return obj;

        }

        protected void fill(DwgObject obj){

                super.fill(obj);

                DwgMeshPolyline myObj = (DwgMeshPolyline)obj;

                myObj.setCurveType(curveType);

                myObj.setFirstVertexHandle(firstVertexHandle);

                myObj.setFlags(flags);

                myObj.setLastVertexHandle(lastVertexHandle);

                myObj.setMVerticies(mVerticies);

                myObj.setNVerticies(nVerticies);

                myObj.setSeqendHandle(seqendHandle);

        }

        public void calculateGisModel(DwgFile dwgFile) {

        /*

         int flags = getFlags();

//                En estas dos lineas de abajo y en el resto del metodo

//                se mantiene el mecanismo anterior al refactoring.

//                TODO: Pensar si deberiamos coger el handle completo.

//                Tal vez deberiamos tomar el handle completo y evaluar

//                a donde apuntan (pueden haber 2 handles con codigo y offset

//                distintos y que, sin embargo apunten al mismo objeto).

                int firstHandle = getFirstVertexHandle().getOffset();

                int lastHandle = getLastVertexHandle().getOffset();

                ArrayList pts = new ArrayList();

                ArrayList bulges = new ArrayList();

                double[] pt = new double[3];

                double bulge = 0d;

                DwgObject first = dwgFile.getDwgObjectFromHandle(firstHandle);

                DwgObject last = dwgFile.getDwgObjectFromHandle(lastHandle);

                if(first == null || last == null){

                        System.out.println("Polyline2D con vertices inicial o final a null");

                        return;

                }

                if(!(first instanceof DwgVertex2D)){

                        System.out.println("El primer vertice de Polyline2D es "+

                                                        first.getClass().getName());

                        return;

                }

                if(!(last instanceof DwgVertex2D)){

                        System.out.println("El primer vertice de Polyline2D es "+

                                                        first.getClass().getName());

                        return;

                }

                 int firstObjIdx = dwgFile.getIndexOf(first);

                 int lastObjIdx =  dwgFile.getIndexOf(last);

                 if(firstObjIdx == -1 || lastObjIdx == -1){

                         System.out.println("Calculate GIS Model: Problemas en la LinkedList: 1?="+firstObjIdx+",Ultimo="+lastObjIdx);

                         return;

                 }

//                 pt = ((DwgVertex2D)first).getPoint();

//                 pts.add(new Point2D.Double(pt[0], pt[1]));

//                 bulge = ((DwgVertex2D)first).getBulge();

//                 bulges.add(new Double(bulge));

                 for(int i = firstObjIdx; i <= lastObjIdx; i++){

                         DwgObject obj = dwgFile.getDwgObject(i);

                         if(obj instanceof DwgVertex2D){

                                 DwgVertex2D vertex = (DwgVertex2D) obj;

                                 pt = vertex.getPoint();

                                pts.add(new Point2D.Double(pt[0], pt[1]));

                                bulge = vertex.getBulge();

                                bulges.add(new Double(bulge));

                         }else{

                                 System.out.println("Encontrado "+obj.getClass().getName()+" en la lista de vertices de Polyline2D");

                         }

                 }//for

                if (pts.size()>0) {

                        Point2D[] newPts = new Point2D[pts.size()];

                        if ((flags & 0x1)==0x1) {

                                newPts = new Point2D[pts.size()+1];

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

                                        newPts[j] = (Point2D)pts.get(j);

                                }

                                newPts[pts.size()] = (Point2D)pts.get(0);

                                bulges.add(new Double(0));

                        } else {

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

                                        newPts[j] = (Point2D)pts.get(j);

                                }

                        }

                        double[] bs = new double[bulges.size()];

                        for (int j=0;j<bulges.size();j++) {

                                bs[j] = ((Double)bulges.get(j)).doubleValue();

                        }

                        setBulges(bs);

                        Point2D[] points = GisModelCurveCalculator.

                                        calculateGisModelBulge(newPts, bs);

                        setPts(points);

                } else {

                        System.out.println("Encontrada polil?nea sin puntos ...");

                        // TODO: No se debe mandar nunca una polil?nea sin puntos, si esto

                        // ocurre es porque existe un error que hay que corregir ...

                } 

         **/

        }

        public FShape toFMapGeometry(boolean is3DFile) {

                return null;

        }

        public String toFMapString(boolean is3DFile) {

                return "Polyline MESH";

        }

        public List getVertices() {

                return vertices;

        }

        public void setVertices(List vertices) {

                this.vertices = vertices;

        }

        public boolean isClosedM() {

                return isClosedM;

        }

        public void setClosedM(boolean isClosedM) {

                this.isClosedM = isClosedM;

        }

        public boolean isClosedN() {

                return isClosedN;

        }

        public void setClosedN(boolean isClosedN) {

                this.isClosedN = isClosedN;

        }

        public void setMDensity(int density) {

                // TODO Auto-generated method stub

        }

        public void setNDensity(int density) {

                // TODO Auto-generated method stub

        }

        public void addVertex(IDwgVertex vertex) {

                vertices.add(vertex.getPoint());

        }

}