Application: gvSIG desktop » gvSIG data provider for DWG

/* 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.DwgHandleReference;

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.IDwgExtrusionable;

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.Point;

/**

 * The DwgText class represents a DWG Text

 *

 * @author jmorell

 */

public class DwgText extends DwgObject

                                        implements IDwgExtrusionable,

                                        IDwg3DTestable,

                                        IDwg2FMap,

                                        IDwgBlockMember{

        public DwgText(int index) {

                super(index);

                // TODO Auto-generated constructor stub

        }

        private int dataFlag;

        private double elevation;

        private Point2D insertionPoint;

        private Point2D alignmentPoint;

        private double[] extrusion;

        private double thickness;

        private double obliqueAngle;

        private double rotationAngle;

        private double height;

        private double widthFactor;

        private String text;

        private int generation;

        private int halign;

        private int valign;

        private DwgHandleReference styleHdl;

        /**

         * @return Returns the dataFlag.

         */

        public int getDataFlag() {

                return dataFlag;

        }

        /**

         * @param dataFlag The dataFlag to set.

         */

        public void setDataFlag(int dataFlag) {

                this.dataFlag = dataFlag;

        }

        /**

         * @return Returns the height.

         */

        public double getHeight() {

                return height;

        }

        /**

         * @param height The height to set.

         */

        public void setHeight(double height) {

                this.height = height;

        }

        /**

         * @return Returns the insertionPoint.

         */

        public Point2D getInsertionPoint() {

                return insertionPoint;

        }

        /**

         * @param insertionPoint The insertionPoint to set.

         */

        public void setInsertionPoint(Point2D insertionPoint) {

                this.insertionPoint = insertionPoint;

        }

        /**

         * @return Returns the rotationAngle.

         */

        public double getRotationAngle() {

                return rotationAngle;

        }

        public double getRotationAngleInDegrees(){

                int dflag = getDataFlag();

                if ((dflag & 0x8) == 0) {

                        double textRot = getRotationAngle();

                        return Math.toDegrees(textRot);

                } else {

                        return 0d;

                }

        }

        /**

         * @param rotationAngle The rotationAngle to set.

         */

        public void setRotationAngle(double rotationAngle) {

                this.rotationAngle = rotationAngle;

        }

        /**

         * @return Returns the text.

         */

        public String getText() {

                return text;

        }

        /**

         * @param text The text to set.

         */

        public void setText(String text) {

                this.text = text;

        }

        /**

         * @return Returns the elevation.

         */

        public double getElevation() {

                return elevation;

        }

        /**

         * @param elevation The elevation to set.

         */

        public void setElevation(double elevation) {

                this.elevation = elevation;

        }

        /**

         * @return Returns the thickness.

         */

        public double getThickness() {

                return thickness;

        }

        /**

         * @param thickness The thickness to set.

         */

        public void setThickness(double thickness) {

                this.thickness = thickness;

        }

    /**

     * @return Returns the extrusion.

     */

    public double[] getExtrusion() {

        return extrusion;

    }

        /**

         * @return Returns the alignmentPoint.

         */

        public Point2D getAlignmentPoint() {

                return alignmentPoint;

        }

        /**

         * @param alignmentPoint The alignmentPoint to set.

         */

        public void setAlignmentPoint(Point2D alignmentPoint) {

                this.alignmentPoint = alignmentPoint;

        }

        /**

         * @return Returns the generation.

         */

        public int getGeneration() {

                return generation;

        }

        /**

         * @param generation The generation to set.

         */

        public void setGeneration(int generation) {

                this.generation = generation;

        }

        /**

         * @return Returns the halign.

         */

        public int getHalign() {

                return halign;

        }

        /**

         * @param halign The halign to set.

         */

        public void setHalign(int halign) {

                this.halign = halign;

        }

        /**

         * @return Returns the obliqueAngle.

         */

        public double getObliqueAngle() {

                return obliqueAngle;

        }

        /**

         * @param obliqueAngle The obliqueAngle to set.

         */

        public void setObliqueAngle(double obliqueAngle) {

                this.obliqueAngle = obliqueAngle;

        }

        /**

         * @return Returns the valign.

         */

        public int getValign() {

                return valign;

        }

        /**

         * @param valign The valign to set.

         */

        public void setValign(int valign) {

                this.valign = valign;

        }

        /**

         * @return Returns the widthFactor.

         */

        public double getWidthFactor() {

                return widthFactor;

        }

        /**

         * @param widthFactor The widthFactor to set.

         */

        public void setWidthFactor(double widthFactor) {

                this.widthFactor = widthFactor;

        }

        /**

         * @param extrusion The extrusion to set.

         */

        public void setExtrusion(double[] extrusion) {

                this.extrusion = extrusion;

        }

        /* (non-Javadoc)

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

         */

        public void applyExtrussion() {

                 Point2D tpoint = getInsertionPoint();

         double elev = getElevation();

         double[] textPoint = new double[]{tpoint.getX(), tpoint.getY(), elev};

         double[] textExt = getExtrusion();

         textPoint = AcadExtrusionCalculator.extrude2(textPoint, textExt);

         setInsertionPoint(new Point2D.Double(textPoint[0], textPoint[1]));

         setElevation(elev);

        }

        /* (non-Javadoc)

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

         */

        public boolean has3DData() {

                return (getElevation() !=0.0);

        }

        public double getZ() {

                return getElevation();

        }

        public Geometry toFMapGeometry(boolean is3DFile)

                        throws CreateGeometryException {

                GeometryManager gMan = GeometryLocator.getGeometryManager();

                Point2D p = getInsertionPoint();

                double elev = 0.0;

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

                        elev = getElevation();

                }

                Point point = (Point) gMan.create(getGeometryType(),

                                getGeometrySubType(is3DFile));

                point.setX(p.getX());

                point.setY(p.getY());

                if (is3DFile) {

                        point.setCoordinateAt(2, elev);

                }

                return point;

        }

        public String toFMapString(boolean is3DFile) {

                if(is3DFile) {

                        return "FPoint3D";

                } else {

                        return "FPoint2D";

                }

        }

        public String toString(){

                return "Text";

        }

        /**

         * @param styleHdl

         */

        public void setStyleHandle(DwgHandleReference styleHdl) {

                this.styleHdl = styleHdl;

        }

        /* (non-Javadoc)

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

         */

        public Object clone(){

                DwgText obj = new DwgText(index);

                this.fill(obj);

                return obj;

        }

        protected void fill(DwgObject obj){

                super.fill(obj);

                DwgText myObj = (DwgText)obj;

                myObj.setAlignmentPoint(alignmentPoint);

                myObj.setDataFlag(dataFlag);

                myObj.setElevation(elevation);

                myObj.setExtrusion(extrusion);

                myObj.setGeneration(generation);

                myObj.setHalign(halign);

                myObj.setHeight(height);

                myObj.setInsertionPoint(insertionPoint);

                myObj.setObliqueAngle(obliqueAngle);

                myObj.setRotationAngle(rotationAngle);

                myObj.setStyleHandle(styleHdl);

                myObj.setText(text);

                myObj.setThickness(thickness);

                myObj.setValign(valign);

                myObj.setWidthFactor(widthFactor);

        }

        //TODO Implement

        public void transform2Block(double[] bPoint, Point2D insPoint, double[] scale, double rot, List dwgObjectsWithoutBlocks, Map handle_objectsWithoutBlocks, DwgFile callBack) {

                 Point2D pointAux = new Point2D.Double(insertionPoint.getX() - bPoint[0],

                                 insertionPoint.getY() - 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));

                 Point2D.Double newInsertionPoint = new Point2D.Double(laX, laY);

                 DwgText transformedEntity = (DwgText) this.clone();

                 transformedEntity.setInsertionPoint(newInsertionPoint);

                 if(alignmentPoint != null){

                         pointAux = new Point2D.Double(alignmentPoint.getX() - bPoint[0],

                                         alignmentPoint.getY() - 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));

                         Point2D.Double newAlignPoint = new Point2D.Double(laX, laY);

                         transformedEntity.setAlignmentPoint(newAlignPoint);

                 }

                 //TODO Transformar el resto de parametros en base a los datos del bloque

                 //altura, etc.

        }

        public int getGeometryType() {

                return Geometry.TYPES.POINT;

        }

}