Application: gvSIG desktop

/* jdwglib. Java Library for reading Dwg files.

 *

 * Author: Jose Morell Rama (jose.morell@gmail.com).

 * Port from the Pythoncad Dwg library by Art Haas.

 *

 * Copyright (C) 2005 Jose Morell, IVER TI S.A. 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:

 *

 * Jose Morell (jose.morell@gmail.com)

 *

 * or

 *

 * IVER TI S.A.

 *  C/Salamanca, 50

 *  46005 Valencia

 *  Spain

 *  +34 963163400

 *  dac@iver.es

 */

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

import java.util.ArrayList;

import com.iver.cit.gvsig.fmap.core.FPolyline2D;

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

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

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

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

import com.iver.cit.jdwglib.dwg.IDwg3DTestable;

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

/**

 * The DwgSpline class represents a DWG Spline

 *

 * @author jmorell

 */

public class DwgSpline extends DwgObject

        implements IDwg3DTestable,  IDwg2FMap {

        public DwgSpline(int index) {

                super(index);

        }

        private int scenario;

        private int degree;

        private double fitTolerance;

        private double[] beginTanVector;

        private double[] endTanVector;

        private boolean rational;

        private boolean closed;

        private boolean periodic;

        private double knotTolerance;

        private double controlTolerance;

        private double[] knotPoints;

        private double[][] controlPoints;

        private double[] weights;

        private double[][] fitPoints;

        /**

         * @return Returns the closed.

         */

        public boolean isClosed() {

                return closed;

        }

        /**

         * @param closed The closed to set.

         */

        public void setClosed(boolean closed) {

                this.closed = closed;

        }

        /**

         * @return Returns the controlPoints.

         */

        public double[][] getControlPoints() {

                return controlPoints;

        }

        /**

         * @param controlPoints The controlPoints to set.

         */

        public void setControlPoints(double[][] controlPoints) {

                this.controlPoints = controlPoints;

        }

        /**

         * @return Returns the fitPoints.

         */

        public double[][] getFitPoints() {

                return fitPoints;

        }

        /**

         * @param fitPoints The fitPoints to set.

         */

        public void setFitPoints(double[][] fitPoints) {

                this.fitPoints = fitPoints;

        }

        /**

         * @return Returns the knotPoints.

         */

        public double[] getKnotPoints() {

                return knotPoints;

        }

        /**

         * @param knotPoints The knotPoints to set.

         */

        public void setKnotPoints(double[] knotPoints) {

                this.knotPoints = knotPoints;

        }

        /**

         * @return Returns the scenario.

         */

        public int getScenario() {

                return scenario;

        }

        /**

         * @param scenario The scenario to set.

         */

        public void setScenario(int scenario) {

                this.scenario = scenario;

        }

        /**

         * @return Returns the beginTanVector.

         */

        public double[] getBeginTanVector() {

                return beginTanVector;

        }

        /**

         * @param beginTanVector The beginTanVector to set.

         */

        public void setBeginTanVector(double[] beginTanVector) {

                this.beginTanVector = beginTanVector;

        }

        /**

         * @return Returns the controlTolerance.

         */

        public double getControlTolerance() {

                return controlTolerance;

        }

        /**

         * @param controlTolerance The controlTolerance to set.

         */

        public void setControlTolerance(double controlTolerance) {

                this.controlTolerance = controlTolerance;

        }

        /**

         * @return Returns the degree.

         */

        public int getDegree() {

                return degree;

        }

        /**

         * @param degree The degree to set.

         */

        public void setDegree(int degree) {

                this.degree = degree;

        }

        /**

         * @return Returns the endTanVector.

         */

        public double[] getEndTanVector() {

                return endTanVector;

        }

        /**

         * @param endTanVector The endTanVector to set.

         */

        public void setEndTanVector(double[] endTanVector) {

                this.endTanVector = endTanVector;

        }

        /**

         * @return Returns the fitTolerance.

         */

        public double getFitTolerance() {

                return fitTolerance;

        }

        /**

         * @param fitTolerance The fitTolerance to set.

         */

        public void setFitTolerance(double fitTolerance) {

                this.fitTolerance = fitTolerance;

        }

        /**

         * @return Returns the knotTolerance.

         */

        public double getKnotTolerance() {

                return knotTolerance;

        }

        /**

         * @param knotTolerance The knotTolerance to set.

         */

        public void setKnotTolerance(double knotTolerance) {

                this.knotTolerance = knotTolerance;

        }

        /**

         * @return Returns the periodic.

         */

        public boolean isPeriodic() {

                return periodic;

        }

        /**

         * @param periodic The periodic to set.

         */

        public void setPeriodic(boolean periodic) {

                this.periodic = periodic;

        }

        /**

         * @return Returns the rational.

         */

        public boolean isRational() {

                return rational;

        }

        /**

         * @param rational The rational to set.

         */

        public void setRational(boolean rational) {

                this.rational = rational;

        }

        /**

         * @return Returns the weights.

         */

        public double[] getWeights() {

                return weights;

        }

        /**

         * @param weights The weights to set.

         */

        public void setWeights(double[] weights) {

                this.weights = weights;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.jdwglib.dwg.IDwg3DTestable#has3DData()

         */

        public boolean has3DData() {

                double[][] pts = getControlPoints();

                if(pts == null)

                        return false;

                double z = 0d;

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

                                z = pts[j][2];

                                if (z != 0.0)

                                        return true;

                }//for

                return false;

        }

        public double getZ() {

                return 0d;

        }

        /* (non-Javadoc)

         * @see java.lang.Object#clone()

         */

        public Object clone(){

                DwgSpline obj = new DwgSpline(index);

                this.fill(obj);

                return obj;

        }

        protected void fill(DwgObject obj){

                super.fill(obj);

                DwgSpline myObj = (DwgSpline)obj;

                myObj.setBeginTanVector(beginTanVector);

                myObj.setClosed(closed);

                myObj.setControlPoints(controlPoints);

                myObj.setControlTolerance(controlTolerance);

                myObj.setDegree(degree);

                myObj.setEndTanVector(endTanVector);

                myObj.setFitPoints(fitPoints);

                myObj.setFitTolerance(fitTolerance);

                myObj.setKnotPoints(knotPoints);

                myObj.setKnotTolerance(knotTolerance);

                myObj.setPeriodic(periodic);

                myObj.setRational(rational);

                myObj.setScenario(scenario);

                myObj.setWeights(weights);

        }

        public IGeometry toFMapGeometry(boolean is3DFile) {

                //FIXME: Implementación provisional para ver si podemos leer SPLINES

                //De momento creamos una polilinea cuando deberíamos crear un spline o un bspline

                FPolyline2D pline = null;

                double elev = getZ();

                double[][] points = getFitPoints();

                if (points == null) {

                        points = getControlPoints();

                }

                if (points != null) {

                        if (is3DFile) {

                                ArrayList pline3D = new ArrayList();

                                for (int j = 0; j < points.length; j++) {

                                        double[] point = new double[3];

                                        point[0] = points[j][0];

                                        point[1] = points[j][1];

                                        if (points[j].length == 3){

                                                point[2] = points[j][2];

                                        } else {

                                                point[2] = elev;

                                        }

                                        pline3D.add(point);

                                }

                                pline = FMapUtil.points3DToFPolyline3D(pline3D);

                        } else {

                                ArrayList lpoints = new ArrayList();

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

                                        lpoints.add(points[i]);

                                }

                                pline = FMapUtil.points2DToFPolyline2D(lpoints);

                        }

                }

                return ShapeFactory.createGeometry(pline);

        }

        public String toFMapString(boolean is3DFile) {

                if(is3DFile)

                        return "FPolyline3D";

                else

                        return "FPolyline2D";

        }

        public String toString(){

                return "Spline";

        }

}