Application: gvSIG desktop

package org.gvsig.fmap.geom.primitive.impl;

import java.awt.Shape;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import java.io.Serializable;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.handler.Handler;

import org.gvsig.fmap.geom.operation.GeometryOperationContext;

import org.gvsig.fmap.geom.operation.GeometryOperationException;

import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException;

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

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

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

import org.gvsig.fmap.geom.type.GeometryType;

/* 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: AbstractGeometry.java,v 1.2 2008/03/25 08:47:41 cvs Exp $

 * $Log: AbstractGeometry.java,v $

 * Revision 1.2  2008/03/25 08:47:41  cvs

 * Visitors removed

 *

 * Revision 1.1  2008/03/12 08:46:20  cvs

 * *** empty log message ***

 *

 *

 */

/**

 * @author Jorge Piera Llodr? (jorge.piera@iver.es)

 */

public abstract class AbstractPrimitive implements Primitive, FShape, Serializable {

        private static final long serialVersionUID = -4334977368955260872L;

        protected String id = null;

        protected IProjection projection = null;

        /**

         * Constructor without arguments. It is necessary to create

         * geometries using the {@link GeometryType}{@link #create()}

         * method

         */

        public AbstractPrimitive() {

                super();                

        }

        public AbstractPrimitive(String id, IProjection projection) {

                super();

                this.id = id;

                this.projection = projection;

        }

        public AbstractPrimitive(IProjection projection) {

                this(null, projection);

        }

        /**

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.core.Geometry#getInternalShape()

         * @deprecated this Geometry is a Shape.

         */

        public Shape getInternalShape() {

                return this;

        }

        /* (non-Javadoc)

         * @see org.gvsig.geometries.iso.AbstractGeometry#getId()

         */

        public String getId() {

                return id;

        }

        /* (non-Javadoc)

         * @see org.gvsig.geometries.iso.AbstractGeometry#getSRS()

         */

        public IProjection getSRS() {

                return projection;

        }

        /* (non-Javadoc)

         * @see org.gvsig.geometries.iso.AbstractGeometry#transform(org.cresques.cts.IProjection)

         */

        public AbstractPrimitive transform(IProjection newProjection) {

                Geometry newGeom = cloneGeometry();

                ICoordTrans coordTrans = projection.getCT(newProjection);

                newGeom.reProject(coordTrans);

                return (AbstractPrimitive)newGeom;

        }

        /*

         * TODO adaptar metodo procedente de UtilFunctions

         */

        public static void rotateGeom(Geometry geometry, double radAngle, double basex, double basey) {

                AffineTransform at = new AffineTransform();

                at.rotate(radAngle,basex,basey);

                geometry.transform(at);

        }

        /*

         * TODO adaptar metodo procedente de UtilFunctions

         */

        public static void moveGeom(Geometry geometry, double dx, double dy) {

        AffineTransform at = new AffineTransform();

        at.translate(dx, dy);

        geometry.transform(at);

        }

        /*

         * TODO adaptar metodo procedente de UtilFunctions

         */

        public static void scaleGeom(Geometry geometry, Point2D basePoint, double sx, double sy) {

                AffineTransform at = new AffineTransform();

                at.setToTranslation(basePoint.getX(),basePoint.getY());

                at.scale(sx,sy);

                at.translate(-basePoint.getX(),-basePoint.getY());

                geometry.transform(at);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.geom.Geometry#fastIntersects(double, double, double, double)

         */

        public boolean fastIntersects(double x, double y, double w, double h) {

                return intersects(x,y,w,h);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.geom.Geometry#cloneGeometry()

         */

        public Geometry cloneGeometry() {

                return (Geometry)cloneFShape();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.geom.Geometry#getHandlers(int)

         */

        public Handler[] getHandlers(int type) {

                if (type==STRETCHINGHANDLER){

                        return getStretchingHandlers();

                }else if (type==SELECTHANDLER){

                        return getSelectHandlers();

                }

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.geom.Geometry#isSimple()

         */

        public boolean isSimple() {

                return true;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.geom.Geometry#invokeOperation(int, org.gvsig.fmap.geom.operation.GeometryOperationContext)

         */

        public Object invokeOperation(int index, GeometryOperationContext ctx) throws GeometryOperationNotSupportedException, GeometryOperationException {

                return GeometryLocator.getGeometryManager().invokeOperation(index, this, ctx);

        }

        /*

         * (non-Javadoc)

         * @see java.lang.Comparable#compareTo(T)

         */

        public int compareTo(Object arg0) {

                // TODO Auto-generated method stub

                return -1;

        }

        /*

         * (non-Javadoc)

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

         */

        public String toString() {

                String name=getGeometryType().getName();

                return name.substring(name.lastIndexOf(".")+1);

        }

        /*

         * (non-Javadoc)

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

         */

        public boolean equals(Object obj) {

                if (obj == null) {

                        return false;

                }

                if (this.getClass() != obj.getClass()) {

                        return false;

                }

                AbstractPrimitive other = (AbstractPrimitive) obj;

                if (this.getGeometryType().getType() != other.getGeometryType()

                                .getType()) {

                        return false;

                }

                if (this.projection != other.projection) {

                        if (this.projection == null) {

                                return false;

                        }

                        if (this.projection.getAbrev() != other.projection.getAbrev()) { //FIXME this must be false

                                return false;

                        }

                }

                if (!this.getBounds().equals(other.getBounds())) {

                        return false;

                }

                GeneralPathX myPath = this.getGeneralPath();

                GeneralPathX otherPath = other.getGeneralPath();

                if (myPath == null) {

                        if (otherPath != null) {

                                return false;

                        } else {

                                // TODO checkThis

                                return true;

                        }

                }

                if (myPath.getNumCoords() != otherPath.getNumCoords()) {

                        return false;

                }

                if (myPath.getNumTypes() != otherPath.getNumTypes()) {

                        return false;

                }

                //                double diff;

                double[] myPoints = myPath.getPointCoords();

                double[] otherPoints = otherPath.getPointCoords();

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

                        if (myPoints[i] != otherPoints[i]) {

                                return false;

                        }

                        //                        diff = Math.abs(myPoints[i] - otherPoints[i]);

                        //                        if (diff != 0 && diff < 0.0000001 ){

                        //                                return false;

                        //                        };

                }

                return true;

        }

}