Application: gvSIG desktop

/* Generated by Together */

package com.iver.cit.gvsig.fmap.operations.strategies;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.util.BitSet;

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

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

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

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

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

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

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

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

/**

 * Implementa la Strategy por defecto. Los m?todos que tendr?n en com?n la

 * mayor parte de las estrategias

 */

public class DefaultStrategy implements Strategy {

        private FLyrVect capa = null;

        /**

         * Crea un nuevo DefaultStrategy.

         *

         * @param capa DOCUMENT ME!

         */

        public DefaultStrategy(FLyrVect capa) {

                this.capa = capa;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByRect(java.awt.geom.Rectangle2D)

         */

        public BitSet queryByRect(Rectangle2D rect) throws DriverIOException{

                QueryByRectVisitor visitor=new QueryByRectVisitor();

                visitor.setRect(rect);

                process(visitor);

                return visitor.getBitSet();

        }

        /**

         * @throws DriverIOException

         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByShape(com.iver.cit.gvsig.fmap.fshape.FGeometry,

         *                 int)

         */

        public BitSet queryByShape(FGeometry g, int relationship) throws DriverIOException {

                QueryByShapeVisitor visitor=new QueryByShapeVisitor();

                visitor.setRelationShip(relationship);

                visitor.setShape(g);

                process(visitor);

                return visitor.getBitSet();

        }

        /**

         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#getSelectionBounds()

         */

        public Rectangle2D getSelectionBounds() {

                return null;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#createIndex()

         */

        public void createIndex() {

        }

        /**

         * DOCUMENT ME!

         *

         * @param image DOCUMENT ME!

         * @param g DOCUMENT ME!

         * @param viewPort DOCUMENT ME!

         *

         * @throws DriverIOException

         *

         * @see com.iver.cit.gvsig.fmap.operations.LayerOperations#draw(java.awt.image.BufferedImage,

         *                 java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort)

         */

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

                throws DriverIOException {

                VectorialAdapter adapter = capa.getSource();

                adapter.start();

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

                int sc;

                long t1 = System.currentTimeMillis();

                Rectangle2D extent = viewPort.getAdjustedExtent();

                AffineTransform at = viewPort.getAffineTransform();

                sc = adapter.getShapeCount();

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

                        FGeometry geom = adapter.getShape(i);

                        Legend l = capa.getLegend(geom.getType());

                        if (geom.intersects(extent)) {

                                geom.draw(image, g, extent, at, l.getSymbol(null));

                        }

                }

                long t2 = System.currentTimeMillis();

                adapter.stop();

                System.out.println(t2 - t1);

        }

        /**

         * DOCUMENT ME!

         *

         * @return Returns the capa.

         */

        public FLyrVect getCapa() {

                return capa;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.operations.LayerOperations#getFullExtent()

         */

        public Rectangle2D getFullExtent() throws DriverIOException {

                return null;

        }

        /**

         * @throws DriverIOException

         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor, com.iver.cit.gvsig.fmap.operations.selection.VectorialSubSet)

         */

        public void process(FeatureVisitor visitor, BitSet subset) throws DriverIOException {

                visitor.start();

                VectorialAdapter va=capa.getSource();

                for (int i=0;i<va.getShapeCount();i++){

                        if (subset.get(i)){

                                visitor.visit(va.getShape(i), i);

                        }

                }

                visitor.stop();

        }

        /**

         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor)

         */

        public void process(FeatureVisitor visitor) throws DriverIOException {

                visitor.start();

                VectorialAdapter va=capa.getSource();

                for (int i=0;i<va.getShapeCount();i++){

                        visitor.visit(va.getShape(i), i);

                }

                visitor.stop();

        }

        /**

         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByPoint(com.iver.cit.gvsig.fmap.operations.QueriedPoint, double)

         */

        public BitSet queryByPoint(QueriedPoint p, double tolerance) throws DriverIOException {

                QueryByPointVisitor visitor=new QueryByPointVisitor();

                visitor.setLayer(capa);

                visitor.setTolerance(tolerance);

                visitor.setQueriedPoint(p);

                process(visitor);

                return visitor.getBitSet();

        }

}