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 org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.px.Extent;

import java.awt.Image;

import java.net.URL;

import javax.imageio.ImageIO;

/**

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

 */

public class MapServerInputStream extends GeoRasterFile {

    int width;

    int 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;

        int[] 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;

    }

    public void setExtentTransform(double originX, double originY, double psX, double psY) {}

}