Application: gvSIG desktop

/*

 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.

 * 

 * Copyright (C) 2004-5. 

 *

 * 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:

 * 

 * cresques@gmail.com

 */

package org.cresques.io;

import java.awt.Image;

import java.net.URL;

import javax.imageio.ImageIO;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.px.Extent;

/**

 * @author Luis W. Sevilla (sevilla_lui@gva.es)

 */

public class MapServerInputStream extends GeoRasterFile {

        int width, height;

        protected MapServerClient mapServer = null;

        public MapServerInputStream(IProjection proj, String name) {

                super(proj, name);

        }

        public MapServerInputStream(IProjection proj, MapServerClient server) {

                super(proj, server.getName());

                mapServer = server;

                extent = mapServer.getViewExtent();

        }

        public GeoFile load() {

                System.out.println("mapServer size = ("+width+","+height+")"/*+

                                "\n inc=("+file.cellIncrementX+","+file.cellIncrementY+")\n"+

                                " datum='"+file.datum+"', proyeccion='"+file.projection+"'"*/);

                return this;

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#close()

         */

        public void close() {

                // TODO Auto-generated method stub

        }

        public void setExtent(Extent e) {

                extent = e;

        }

        public void setSize(int w, int h) {

                width = w; height = h;

        }

        public int getWidth() { return width; }

        public int getHeight() { return height; }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)

         */

        public void reProject(ICoordTrans rp) {

                // TODO Auto-generated method stub

        }

        public void setView(Extent e) {

/**/        mapServer.setView((long) e.getMin().getX(), (long) e.getMax().getY(),

/**/                (long) e.getMax().getX(), (long)e.getMin().getY());

        }

        public Extent getView() {

                return mapServer.getViewExtent();

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)

         */

        public Image updateImage(int width, int height, ICoordTrans rp) {

                Image image = null;

                int line, pRGBArray[] = null;

                if (mapServer == null) return image;

                try {

/**/                mapServer.setViewSize(width, height);

                    System.out.println("Querying mapServer: "+mapServer.getUrl());

                        image = ImageIO.read(new URL(mapServer.getUrl()));

                } catch (Exception e) {

                        e.printStackTrace();

                }

                return image; //.getScaledInstance(width, height, Image.SCALE_FAST);

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)

         */

        public Image updateImage(int width, int height, ICoordTrans rp, Image img, int flags) {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)

         */

        public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBand) {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#getData(int, int, int)

         */

        public Object getData(int x, int y, int band) {

                // TODO Auto-generated method stub

                return null;

        }

        public int getBlockSize(){

                return 0;

        }

        public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){

                return null;

        }

}