Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.geom.jts.primitive.surface.ellipticarc;

import java.awt.Shape;

import java.awt.geom.AffineTransform;

import java.awt.geom.Arc2D;

import java.awt.geom.PathIterator;

import org.cresques.cts.CoordTransRuntimeException;

import org.cresques.cts.ICoordTrans;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX;

import org.gvsig.fmap.geom.jts.primitive.point.Point2D;

import org.gvsig.fmap.geom.jts.primitive.point.PointJTS;

import org.gvsig.fmap.geom.jts.primitive.surface.AbstractSurface;

import org.gvsig.fmap.geom.jts.util.JTSUtils;

import org.gvsig.fmap.geom.jts.util.UtilFunctions;

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

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

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

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

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

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

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

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

import org.gvsig.tools.exception.BaseException;

/**

 * @author fdiaz

 *

 */

public abstract class AbstractEllipticArc extends AbstractSurface {

    /**

     *

     */

    private static final long serialVersionUID = 6163269454714321454L;

    protected Point axis1Start;

    protected Point axis1End;

    protected double semiAxis2Length;

    protected double angSt;

    protected double angExt;

    /**

     * @param type

     * @param subtype

     */

    protected AbstractEllipticArc(int type, int subtype) {

        super(type, subtype);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Surface#getNumInteriorRings()

     */

    public int getNumInteriorRings() {

        String message = "Calling deprecated method getInteriorRing of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Surface#getInteriorRing(int)

     */

    public Ring getInteriorRing(int index) {

        String message = "Calling deprecated method getInteriorRing of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Ring)

     */

    public void addInteriorRing(Ring ring) {

        String message = "Calling unsupported method addInteriorRing of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Line)

     */

    public void addInteriorRing(Line ring) {

        String message = "Calling unsupported method addInteriorRing of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Polygon)

     */

    public void addInteriorRing(Polygon polygon) {

        String message = "Calling unsupported method addInteriorRing of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Surface#removeInteriorRing(int)

     */

    public void removeInteriorRing(int index) {

        String message = "Calling unsupported method removeInteriorRing of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int, int)

     */

    public double getCoordinateAt(int index, int dimension) {

        String message = "Calling deprecated method getCoordinateAt of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setCoordinateAt(int, int, double)

     */

    public void setCoordinateAt(int index, int dimension, double value) {

        String message = "Calling deprecated method setCoordinateAt of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(org.gvsig.fmap.geom.primitive.Point)

     */

    public void addVertex(Point point) {

        String message = "Calling deprecated method addVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(double, double)

     */

    public void addVertex(double x, double y) {

        String message = "Calling deprecated method addVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(double, double, double)

     */

    public void addVertex(double x, double y, double z) {

        String message = "Calling deprecated method addVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#removeVertex(int)

     */

    public void removeVertex(int index) {

        String message = "Calling deprecated method removeVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getVertex(int)

     */

    public Point getVertex(int index) {

        String message = "Calling deprecated method getVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getNumVertices()

     */

    public int getNumVertices() {

        String message = "Calling deprecated method getNumVertices of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#insertVertex(int, org.gvsig.fmap.geom.primitive.Point)

     */

    public void insertVertex(int index, Point p) {

        String message = "Calling deprecated method insertVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setVertex(int, org.gvsig.fmap.geom.primitive.Point)

     */

    public void setVertex(int index, Point p) {

        String message = "Calling deprecated method setVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)

     */

    public void setGeneralPath(GeneralPathX generalPathX) {

        String message = "Calling deprecated method setGeneralPath of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addMoveToVertex(org.gvsig.fmap.geom.primitive.Point)

     */

    public void addMoveToVertex(Point point) {

        String message = "Calling deprecated method addMoveToVertex of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#closePrimitive()

     */

    public void closePrimitive() {

        String message = "Calling deprecated method closePrimitive of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#ensureCapacity(int)

     */

    public void ensureCapacity(int capacity) {

        String message = "Calling deprecated method ensureCapacity of a ellipticArc";

        notifyDeprecated(message);

        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)

     */

    public void reProject(ICoordTrans ct) {

        //FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n, rotaci?n y escala

        // Ser?a incorrecto para las de deformaci?n en cizallamiento

        Point2D aux = new Point2D(JTSUtils.getPointAtYAxisInEllipse(axis1Start, axis1End, semiAxis2Length));

        try {

        axis1Start.reProject(ct);

        axis1End.reProject(ct);

        aux.reProject(ct);

        } catch (CoordTransRuntimeException e) {

            //Si ha fallado la reproyecci?n de alguno de los puntos, ponemos todas las coordenadas a 0

            axis1Start.setX(0);

            axis1Start.setY(0);

            axis1End.setX(0);

            axis1End.setY(0);

            semiAxis2Length = 0;

        }

        try {

            Point2D transformedMiddlePoint = new Point2D(JTSUtils.getMidPoint(axis1Start, axis1End));

            semiAxis2Length = transformedMiddlePoint.distance(aux);

        } catch (BaseException e) {

            throw new UnsupportedOperationException("Error calculating the radius of the transformed circle.", e);

        }

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)

     */

    public void transform(AffineTransform at) {

        //FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n, rotaci?n y escala

        // Ser?a incorrecto para las de deformaci?n en cizallamiento

        Point2D aux = new Point2D(JTSUtils.getPointAtYAxisInEllipse(axis1Start, axis1End, semiAxis2Length));

        axis1Start.transform(at);

        axis1End.transform(at);

        aux.transform(at);

        try {

            Point2D transformedMiddlePoint = new Point2D(JTSUtils.getMidPoint(axis1Start, axis1End));

            semiAxis2Length = transformedMiddlePoint.distance(aux);

        } catch (BaseException e) {

            throw new UnsupportedOperationException("Error calculating the minor semi-axis of the transformed ellipse.", e);

        }

    }

    /* (non-Javadoc)

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

     */

    public int getDimension() {

        return axis1Start.getDimension();

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.Geometry#getShape(java.awt.geom.AffineTransform)

     */

    public Shape getShape(AffineTransform affineTransform) {

        return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0);

    }

    /* (non-Javadoc)

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

     */

    public Shape getShape() {

        return getShape(null);

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform)

     */

    public PathIterator getPathIterator(AffineTransform at) {

        return getPathIterator(at, getManager().getFlatness());

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform, double)

     */

    public PathIterator getPathIterator(AffineTransform at, double flatness) {

        GeometryManager geomManager = GeometryLocator.getGeometryManager();

        try {

            double axis1Lenght = axis1Start.distance(axis1End);

            java.awt.geom.Point2D center =

                new java.awt.geom.Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2,

                    (axis1Start.getY() + axis1End.getY()) / 2);

            double x = center.getX() - axis1Lenght / 2;

            double y = center.getY() - semiAxis2Length;

            double angle =

                UtilFunctions.getAngle(center, new java.awt.geom.Point2D.Double(axis1Start.getX(), axis1Start.getY()));

            Arc2D.Double arc =

                new Arc2D.Double(x, y, axis1Lenght, 2 * semiAxis2Length, Math.toDegrees(angSt), Math.toDegrees(angExt),

                    Arc2D.CHORD);

            AffineTransform mT = AffineTransform.getRotateInstance(angle, center.getX(), center.getY());

            return arc.getPathIterator(null, geomManager.getFlatness());

        } catch (BaseException e) {

            throw new UnsupportedOperationException("Error calculating the radius of the transformed circle.", e);

        }

    }

    /* (non-Javadoc)

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

     */

    public GeneralPathX getGeneralPath() {

        GeneralPathX gp = new DefaultGeneralPathX(getPathIterator(null, getManager().getFlatness()), is3D(), 0.0);

         return gp;

     }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.jts.GeometryJTS#is3D()

     */

    public boolean is3D() {

        return ((PointJTS)axis1Start).is3D();

    }

    /**

     * @param initialPoint

     * @return

     */

    protected abstract Point fixPoint(Point point);

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, double)

     */

    public void setPoints(Point axis1Start, Point axis1End, double axis2Length, double angSt, double angExt) {

        this.axis1Start = fixPoint(axis1Start);

        this.axis1End = fixPoint(axis1End);

        this.semiAxis2Length = axis2Length;

        this.angSt = angSt;

        this.angExt = angExt;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1Start()

     */

    public Point getAxis1Start() {

        return axis1Start;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1End()

     */

    public Point getAxis1End() {

        return axis1End;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis2Dist()

     */

    public double getAxis2Dist() {

        return semiAxis2Length;

    }

    /*

     * (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngSt()

     */

    public double getAngSt(){

        return this.angSt;

    }

    /*

     * (non-Javadoc)

     * @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngExt()

     */

    public double getAngExt(){

        return this.angExt;

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()

     */

    public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException {

        //FIXME: throw UnssupportedOperationException or do nothing?

//        String message = "Can't flip a ellipse";

//        notifyDeprecated(message);

//        throw new UnsupportedOperationException(message);

    }

    /* (non-Javadoc)

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

     */

    public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException {

        EllipticArc cloned = (EllipticArc) this.cloneGeometry();

        Point center = new Point2D((getAxis1Start().getX()+getAxis1End().getX())/2,

            (getAxis1Start().getY()+getAxis1End().getY())/2);

        double axis1Lenght = getAxis1Start().distance(getAxis1End());

        Point clonedAxis1Start = (Point) getAxis1Start().cloneGeometry();

        Point clonedAxis1End = (Point) getAxis1End().cloneGeometry();

        double clonedYDist = this.semiAxis2Length+distance;

        clonedAxis1Start.setX(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getX(), getAxis1Start().getX(), axis1Lenght/2+distance));

        clonedAxis1Start.setY(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getY(), getAxis1Start().getY(), axis1Lenght/2+distance));

        clonedAxis1End.setX(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getX(), getAxis1End().getX(), axis1Lenght/2+distance));

        clonedAxis1End.setY(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getY(), getAxis1End().getY(), axis1Lenght/2+distance));

        cloned.setPoints(clonedAxis1Start, clonedAxis1End, clonedYDist, this.angSt, this.angExt);

        return cloned;

    }

}