| 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 com.iver.cit.gvsig.fmap.layers;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.util.ArrayList;

import java.util.Iterator;

import com.iver.andami.PluginServices;

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

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

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

import com.iver.cit.gvsig.gui.View;

import com.iver.cit.gvsig.gui.Panels.SelectFilePanel;

/**

 * Clase de capa de marcado de puntos sobre una vista. Dibuja un puntero sobre 

 * cada punto en la vista.

 *

 * @author Nacho Brodin (brodin_ign@gva.es)

 */

public class FLyrPoints extends FLyrDefault {

        public class GeoPoint{

                public Point2D pixelPoint = null;

                public Point2D mapPoint = null;

                public GeoPoint(Point2D p, Point2D m){

                        this.pixelPoint = p;

                        this.mapPoint = m;

                }

        }

        private ArrayList pointList = new ArrayList();

        private final int DIAM_CIRCLE = 18;

        private String lastTool = null;

        /**

         * Obtiene el array de puntos

         * @return

         */

        public ArrayList getListPoint(){

                return pointList;

        }

        /**

         * Asigna el array de puntos 

         * @param list

         */

        public void setListPoint(ArrayList list){

                pointList = list;

        }

        /**

         * Dibujado de la capa de raster georeferenciado aplicando la 

         * transformaci?n del viewPort.

         */

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

                        Cancellable cancel,double scale) throws DriverException {

                View theView = (View) PluginServices.getMDIManager().getActiveView();

                //BufferedImage img = theView.getMapControl().getImage();

                //g.drawImage(img, 0, 0, null);

                int dpto = (DIAM_CIRCLE >> 1);

                int incr = 5;

                Point2D pto = null;

                FLyrGeoRaster lyrGeoRaster = null;

                //Obtenemos la capa de puntos y la capa de georaster

                for(int i=0;i<theView.getMapControl().getMapContext().getLayers().getLayersCount();i++){

                        FLayer lyr = theView.getMapControl().getMapContext().getLayers().getLayer(i);

                        if(        lyr instanceof FLyrGeoRaster && 

                                lyr.getName().startsWith("*") &&

                                lyr.isActive())

                                lyrGeoRaster = (FLyrGeoRaster)lyr;

                }

                for(int i=0; i<pointList.size();i++){

                        //Punto de la imagen

                        pto = ((GeoPoint)pointList.get(i)).pixelPoint;

                        if(pto != null){

                                g.setColor(Color.red);

                                Point2D p = lyrGeoRaster.img2World(pto);

                                p = vp.fromMapPoint(p);

                                g.drawOval(        (int)p.getX() - dpto, 

                                                        (int)p.getY() - dpto, 

                                                        DIAM_CIRCLE, 

                                                        DIAM_CIRCLE);

                                g.drawLine((int)p.getX(), (int)p.getY() - dpto - incr, (int)p.getX(), (int)p.getY() + dpto + incr);

                                g.drawLine((int)p.getX() - dpto - incr, (int)p.getY(), (int)p.getX() + dpto + incr, (int)p.getY());

                        }

                        //Punto de la vista

                        pto = ((GeoPoint)pointList.get(i)).mapPoint;

                        if(pto != null){

                                Point2D p = vp.fromMapPoint(pto);

                                g.setColor(Color.green);

                                g.drawOval(        (int)p.getX() - dpto, 

                                                        (int)p.getY() - dpto, 

                                                        DIAM_CIRCLE, 

                                                        DIAM_CIRCLE);

                                g.drawLine((int)p.getX(), (int)p.getY() - dpto - incr, (int)p.getX(), (int)p.getY() + dpto + incr);

                                g.drawLine((int)p.getX() - dpto - incr, (int)p.getY(), (int)p.getX() + dpto + incr, (int)p.getY());

                        }

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable, double)

         */

        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel,

                        double scale) throws DriverException {

                // TODO Auto-generated method stub

        }

        /**

         * Elimina los puntos de la lista que no tiene las dos coordenadas asignadas.

         */

        public void clean(){

                Iterator iter = pointList.iterator();

                while (iter.hasNext()) {

                        GeoPoint gp = (GeoPoint) iter.next();

                        if(gp.mapPoint == null || gp.pixelPoint == null)

                                iter.remove();

                }

        }

        /**

         * A?ade un punto a la lista

         * @param point punto para la lista

         */

        public void addPoint(Point2D pixel, Point2D map){

                pointList.add(new GeoPoint(pixel, map));

        }

        /**

         * Obtiene el punto de la posici?n pos 

         */

        public GeoPoint getPoint(int pos){

                return (GeoPoint)pointList.get(pos);

        }

        /**

         * Elimina la lista de puntos almacenada

         */

        public void clear(){

                pointList = new ArrayList();

        }

        /**

         * Elimina el punto de la posici?n indicada por el par?metro pos

         * @param pos        Posici?n del punto a eliminar

         */

        public void remove(int pos){

                pointList.remove(pos);

        }

        /**

         *Elimina el ?ltimo punto de la lista.

         */

        public void delLastPoint(){

                pointList.remove(pointList.size() - 1);

        }

        /**

         * Obtiene le ?ltimo punto de la lista

         *

         */

        public GeoPoint getLastPoint(){

                return (GeoPoint)pointList.get(pointList.size());

        }

        /**

         * Devuelve el n?mero de puntos de la capa

         * @return

         */

        public int length(){

                return pointList.size();

        }

        /**

         * Actualiza un punto de la lista de una posici?n determinada

         * @param point punto para la lista

         */

        public void updatePoint(Point2D pixel, Point2D map, int pos){

                GeoPoint gp = (GeoPoint)pointList.get(pos);

                if(pixel != null)

                        gp.pixelPoint = pixel;

                if(map != null)

                        gp.mapPoint = map;

        }

        /**

         * Devuelve el n?mero de puntos de la lista

         * @return

         */

        public int getCountPoints(){

                if(pointList != null)

                        return pointList.size();

                else 

                        return 0;

        }

        /**

         * Obtiene el extent de la capa

         * @return extent en Rectangle2D.

         */

        public Rectangle2D getFullExtent()throws DriverException {

                View theView = (View) PluginServices.getMDIManager().getActiveView();

                return theView.getMapControl().getMapContext().getViewPort().getExtent();

        }

        /**

         * @return Returns the lastTool.

         */

        public String getLastTool() {

                return lastTool;

        }

        /**

         * @param lastTool The lastTool to set.

         */

        public void setLastTool(String lastTool) {

                this.lastTool = lastTool;

        }

        /**

         * Muestra en consola los puntos de la capa

         */

        public void showPoints(){

                for(int i=0;i<pointList.size();i++){

                        if(((GeoPoint)pointList.get(i)).pixelPoint != null && ((GeoPoint)pointList.get(i)).mapPoint != null){

                                System.out.println("PUNTO "+i+": ");

                                System.out.println("pix->"+((GeoPoint)pointList.get(i)).pixelPoint.getX()+" "+((GeoPoint)pointList.get(i)).pixelPoint.getY());

                                System.out.println("map->"+((GeoPoint)pointList.get(i)).mapPoint.getX()+" "+((GeoPoint)pointList.get(i)).mapPoint.getY());

                        }else

                                System.out.println("PUNTO "+i+": NULL");

                }

        }

}