| gvSIG desktop 1

/* 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

 */

package org.gvsig.app.project.documents.layout.geometryadapters;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import java.awt.geom.Ellipse2D;

import java.awt.geom.Point2D;

import org.gvsig.compat.print.PrintAttributes;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

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

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

import org.gvsig.fmap.mapcontext.rendering.symbols.ILineSymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.SimpleLineSymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.SymbologyFactory;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class CircleAdapter extends GeometryAdapter {

        private static final GeometryManager geomManager = GeometryLocator.getGeometryManager();

        private static final Logger logger = LoggerFactory.getLogger(CircleAdapter.class);

        private Point2D pointPosition = new Point2D.Double();

    private AffineTransform identity = new AffineTransform();

    /**

     * DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public Geometry getGeometry(AffineTransform at) {

            GeneralPathX polyLine;

                try {

                        polyLine = new GeneralPathX(geomManager.createSurface(getGPX(), SUBTYPES.GEOM2D).getPathIterator(null));

                        polyLine.transform(at);

                    return geomManager.createSurface(polyLine, SUBTYPES.GEOM2D);

                } catch (CreateGeometryException e) {

                        logger.error("Error creating a surface", e);

                }

            return null;

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param at DOCUMENT ME!

     * @param symbol DOCUMENT ME!

     */

    public void draw(Graphics2D g, AffineTransform at, ISymbol symbol) {

            Geometry shapeAux=getGeometry(at);

            symbol.draw(g,at,shapeAux, null);

        // FGraphicUtilities.DrawShape(g, at, shapeAux, symbol);

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param at DOCUMENT ME!

     * @param andLastPoint DOCUMENT ME!

     */

    public void paint(Graphics2D g, AffineTransform at, boolean andLastPoint) {

        if (getPoints().length > 0) {

            if (andLastPoint) {

                obtainShape(pointPosition);

            }

            Geometry shapeAux=getGeometry(at);

            ILineSymbol symbol = SymbologyFactory.createDefaultLineSymbol();

            SimpleLineSymbol redOutline = new SimpleLineSymbol();

            redOutline.setLineColor(Color.red);

            symbol.draw(g, identity, shapeAux, null);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param p DOCUMENT ME!

     */

    public void pointPosition(Point2D p) {

        pointPosition = p;

    }

    /**

     * DOCUMENT ME!

     *

     * @param p DOCUMENT ME!

     */

    public void obtainShape(Point2D p) {

        Point2D[] points = getPoints();

        double x = (points[0]).getX(); //-(pointPosition.getX()-((Point2D)points.get(0)).getX());

        double y = (points[0]).getY(); //-(pointPosition.getY()-((Point2D)points.get(0)).getY());

        double r = p.distance(points[0]);

        Ellipse2D ellipse = new Ellipse2D.Double(x - r, y - r, 2. * r, 2. * r);

        setGPX(new GeneralPathX(ellipse.getPathIterator(null)));

    }

        public void print(Graphics2D g, AffineTransform at, ISymbol symbol,

                        PrintAttributes properties) {

                Geometry shapeAux=getGeometry(at);

            symbol.print(g,at,shapeAux, properties);

        }

}