Application: gvSIG desktop

/* 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 com.iver.cit.gvsig.fmap.operations.strategies;

import com.hardcode.gdbms.engine.data.DataSource;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.VectorialAdapter;

import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData;

import com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial;

import com.iver.cit.gvsig.fmap.layers.layerOperations.SingleLayer;

import com.iver.cit.gvsig.fmap.operations.Cancellable;

import com.iver.cit.gvsig.fmap.rendering.VectorialLegend;

import org.apache.log4j.Logger;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

/**

 * Estrategia empleada para las capas vectoriales, que dibuja y guarda en un

 * fichero el bounding box de cada shape junto con su tipo. No se deber? de

 * dibujar dos veces un adaptador con esta estrateg?a

 */

public class FirstStrategy extends DefaultStrategy {

        private static Logger logger = Logger.getLogger(FirstStrategy.class.getName());

        /**

         * Crea una nueva FirstStrategy.

         *

         * @param capa

         */

        public FirstStrategy(FLayer capa) {

                super(capa);

        }

        /**

         * Dibuja metiendo en una estructura de datos para cada geometr?a que se

         * dibuja su boundingbox y su tipo

         *

         * @param image

         * @param g Graphics2D

         * @param viewPort ViewPort

         * @param cancel

         *

         * @throws DriverException

         */

        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,

                Cancellable cancel) throws DriverException {

                try {

                        VectorialAdapter adapter = ((SingleLayer) getCapa()).getSource();

                        DataSource ds = ((AlphanumericData) getCapa()).getRecordset();

                        logger.debug("ds.start()");

                        ds.start();

                        logger.debug("adapter.start()");

                        adapter.start();

                        VectorialFileDriver driver = (VectorialFileDriver) adapter.getDriver();

                        int sc;

                        long t1 = System.currentTimeMillis();

                        Rectangle2D extent = viewPort.getAdjustedExtent();

                        AffineTransform at = viewPort.getAffineTransform();

                        sc = adapter.getShapeCount();

                        ShapeInfo shapeinfo = StrategyManager.createShapeInfo(adapter);

                        for (int i = 0; i < sc; i++) {

                                if (cancel.isCanceled()) {

                                        break;

                                }

                                IGeometry geom = adapter.getShape(i);

                                VectorialLegend l = (VectorialLegend) ((ClassifiableVectorial) getCapa()).getLegend();

                                if (geom.intersects(extent)) {

                                        FSymbol symbol = l.getSymbol(i);

                                        geom.draw(g, viewPort, symbol);

                                        shapeinfo.addShapeInfo(geom.getBounds2D(),

                                                geom.getGeometryType());

                                }

                        }

                        long t2 = System.currentTimeMillis();

                        logger.debug("adapter.stop()");

                        adapter.stop();

                        logger.debug("ds.stop()");

                        ds.stop();

                        System.out.println(t2 - t1);

                } catch (DriverIOException e) {

                        throw new DriverException(e);

                } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {

                        throw new DriverException(e);

                }

        }

}