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 org.gvsig.dwg.lib.objects;

import java.awt.geom.Point2D;

import java.util.List;

import java.util.Map;

import org.gvsig.dwg.lib.DwgFile;

import org.gvsig.dwg.lib.DwgObject;

import org.gvsig.dwg.lib.IDwg2FMap;

import org.gvsig.dwg.lib.IDwg3DTestable;

import org.gvsig.dwg.lib.IDwgBlockMember;

import org.gvsig.dwg.lib.util.AcadExtrusionCalculator;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.exception.CreateGeometryException;

import org.gvsig.fmap.geom.primitive.Curve;

import org.gvsig.fmap.geom.primitive.Point;

/**

 * The DwgLine class represents a DWG Line

 *

 * @author jmorell, azabala

 */

public class DwgLine extends DwgObject

        implements /*IDwgExtrusionable,*/ IDwg3DTestable, IDwg2FMap, IDwgBlockMember{

        public DwgLine(int index) {

                super(index);

                // TODO Auto-generated constructor stub

        }

        private double[] p1;

        private double[] p2;

        private double thickness;

        private double[] extrusion;

        private boolean zflag = false;

        /**

         * @return Returns the p1.

         */

        public double[] getP1() {

                return p1;

        }

        /**

         * @param p1 The p1 to set.

         */

        public void setP1(double[] p1) {

                this.p1 = p1;

        }

        /**

         * @return Returns the p2.

         */

        public double[] getP2() {

                return p2;

        }

        /**

         * @param p2 The p2 to set.

         */

        public void setP2(double[] p2) {

                this.p2 = p2;

        }

        /**

         * @return Returns the extrusion.

         */

        public double[] getExtrusion() {

                return extrusion;

        }

        /**

         * @param extrusion The extrusion to set.

         */

        public void setExtrusion(double[] extrusion) {

                this.extrusion = extrusion;

        }

        /**

         * @return Returns the thickness.

         */

        public double getThickness() {

                return thickness;

        }

        /**

         * @param thickness The thickness to set.

         */

        public void setThickness(double thickness) {

                this.thickness = thickness;

        }

        /* (non-Javadoc)

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

         */

//        public Object clone() {

//                DwgLine dwgLine = new DwgLine(index);

//                dwgLine.setType(type);

//                dwgLine.setHandle(handle);

//                dwgLine.setVersion(version);

//                dwgLine.setMode(mode);

//                dwgLine.setLayerHandle(layerHandle);

//                dwgLine.setColor(color);

//                dwgLine.setNumReactors(numReactors);

//                dwgLine.setNoLinks(noLinks);

//                dwgLine.setLinetypeFlags(linetypeFlags);

//                dwgLine.setPlotstyleFlags(plotstyleFlags);

//                dwgLine.setSizeInBits(sizeInBits);

//                dwgLine.setExtendedData(extendedData);

//                dwgLine.setGraphicData(graphicData);

//                //dwgLine.setInsideBlock(insideBlock);

//                dwgLine.setP1(p1);

//                dwgLine.setP2(p2);

//                dwgLine.setThickness(thickness);

//                dwgLine.setExtrusion(extrusion);

//                dwgLine.setSubEntityHandle(subEntityHandle);

//                return dwgLine;

//        }

    /**

     * @return Returns the zflag.

     */

    public boolean isZflag() {

        return zflag;

    }

    /**

     * @param zflag The zflag to set.

     */

    public void setZflag(boolean zflag) {

        this.zflag = zflag;

    }

        /* (non-Javadoc)

         * @see com.iver.cit.jdwglib.dwg.IDwgExtrusionable#applyExtrussion()

         */

        public void applyExtrussion() {

                 double[] lineP1 = getP1();

         double[] lineP2 = getP2();

         boolean zflag = isZflag();

         if (zflag) {

             // elev = 0.0;

             lineP1 = new double[]{lineP1[0], lineP1[1], 0.0};

             lineP2 = new double[]{lineP2[0], lineP2[1], 0.0};

         }

         double[] lineExt = getExtrusion();

         lineP1 = AcadExtrusionCalculator.extrude2(lineP1, lineExt);

         lineP2 = AcadExtrusionCalculator.extrude2(lineP2, lineExt);

         setP1(lineP1);

         setP2(lineP2);

        }

        /* (non-Javadoc)

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

         */

        public boolean has3DData() {

          if (!isZflag()) {

                double z1 = getP1()[2];

                double z2 = getP2()[2];

                if (z1!=0.0 || z2!=0.0) {

                        return  true;

                }

          }//TODO y si zflag vale true? REVISAR

          return false;

        }

        public double getZ() {

                double[] p1 = getP1();

                double[] p2 = getP2();

                if(isZflag()){

                        if (p1[2] == p2[2]) {

                                return p1[2];

                        } else {

                                return 0d;

                        }

                } else {

                                return 0d;

                }

        }

        public Geometry toFMapGeometry(boolean is3DFile) throws CreateGeometryException {

                GeometryManager gMan = GeometryLocator.getGeometryManager();

                double[] p1 = getP1();

                double[] p2 = getP2();

                Point point1 = (Point) gMan.create(Geometry.TYPES.POINT,

                                getGeometrySubType(is3DFile));

                point1.setCoordinates(p1);

                Point point2 = (Point) gMan.create(Geometry.TYPES.POINT,

                                getGeometrySubType(is3DFile));

                point1.setCoordinates(p2);

                Curve line = (Curve) gMan.create(getGeometryType(),

                                getGeometrySubType(is3DFile));

                line.setPoints(point1, point2);

                return line;

        }

        public String toFMapString(boolean is3DFile) {

                if(is3DFile){

                        return "FPolyline3D";

                }else{

                        return "FPolyline2D";

                }

        }

        public String toString(){

                return "Line";

        }

        public void transform2Block(double[] bPoint, Point2D insPoint,

                        double[] scale, double rot,

                        List dwgObjectsWithoutBlocks,

                        Map handleObjWithoutBlocks,

                        DwgFile callBack) {

                DwgLine transformedEntity = null;

                double[] p1 = this.getP1();

                if(p1.length < 3)

                {

                        double[] newp1 = new double[3];

                        System.arraycopy(p1, 0, newp1, 0, p1.length);

                        p1 = newp1;

                        setP1(newp1);

                }

                double[] p2 = this.getP2();

                if(p2.length < 3)

                {

                        double[] newp2 = new double[3];

                        System.arraycopy(p2, 0, newp2, 0, p2.length);

                        p2 = newp2;

                        setP2(newp2);

                }

                Point2D pointAux = new Point2D.Double(p1[0] - bPoint[0], p1[1] - bPoint[1]);

                double laX = insPoint.getX() + ((pointAux.getX()*scale[0])*Math.cos(rot) + (pointAux.getY()*scale[1])*(-1)*Math.sin(rot));

                double laY = insPoint.getY() + ((pointAux.getX()*scale[0])*Math.sin(rot) + (pointAux.getY()*scale[1])*Math.cos(rot));

                double[] transformedP1 = null;

        if (this.isZflag() ) {

                        double laZ = p1[2] * scale[2];

                        transformedP1 = new double[]{laX, laY, laZ};

                } else {

                        transformedP1 = new double[]{laX, laY, 0d};

                }

                //double[] transformedP1 = new double[]{laX, laY};

                pointAux = new Point2D.Double(p2[0] - bPoint[0], p2[1] - bPoint[1]);

                laX = insPoint.getX() + ((pointAux.getX()*scale[0])*Math.cos(rot) + (pointAux.getY()*scale[1])*(-1)*Math.sin(rot));

                laY = insPoint.getY() + ((pointAux.getX()*scale[0])*Math.sin(rot) + (pointAux.getY()*scale[1])*Math.cos(rot));

        double[] transformedP2 = null;

                if (this.isZflag() ) {

                        double laZ = p2[2] * scale[2];

                        transformedP2 = new double[]{laX, laY, laZ};

                } else {

                        transformedP2 = new double[]{laX, laY, 0d};

                }

                //double[] transformedP2 = new double[]{laX, laY};

                transformedEntity = (DwgLine)this.clone();

                transformedEntity.setP1(transformedP1);

                transformedEntity.setP2(transformedP2);

                dwgObjectsWithoutBlocks.add(transformedEntity);

                handleObjWithoutBlocks.put(new Integer(transformedEntity.getHandle().getOffset()), transformedEntity);

//                dwgObjectsWithoutBlocks.add(this);

        }

        public Object clone(){

                DwgLine dwgLine = new DwgLine(index);

                this.fill(dwgLine);

                return dwgLine;

        }

        protected void fill(DwgObject obj){

                super.fill(obj);

                DwgLine myObj = (DwgLine)obj;

                myObj.setExtrusion(extrusion);

                myObj.setP1(p1);

                myObj.setP2(p2);

                myObj.setThickness(thickness);

        }

        public int getGeometrySubType(boolean is3DFile) {

                if (is3DFile) {

                        if (isZflag()) {

                                return Geometry.SUBTYPES.GEOM3DM;

                        } else {

                                return Geometry.SUBTYPES.GEOM3D;

                        }

                } else {

                        if (isZflag()) {

                                return Geometry.SUBTYPES.GEOM2DM;

                        } else {

                                return Geometry.SUBTYPES.GEOM2D;

                        }

                }

        }

        public int getGeometryType() {

                return Geometry.TYPES.CURVE;

        }

}