Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.raster.tools.app.basic.tool.infobypoint.viewtool;

import java.awt.geom.Point2D;

import java.awt.image.BufferedImage;

import org.gvsig.andami.PluginServices;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent;

import org.gvsig.raster.tools.app.basic.tool.infobypoint.gui.InfoByPointDataModel;

import org.gvsig.raster.tools.app.basic.tool.selectrasterlayer.SelectImageListImpl;

/**

 * Extensi?n de la clase SelectImageListenerImple de FMap. Esta clase permite

 * capturar el evento de la selecci?n de un punto RGB sobre la vista

 * 

 * 22/02/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class InfoByPixelPointListener extends SelectImageListImpl {

        private InfoByPointDataModel model = null;

        /**

         * Contructor

         * @param mapCtrl

         */

        public InfoByPixelPointListener(MapControl mapCtrl, InfoByPointDataModel model) {

                super(mapCtrl);

                this.model = model;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)

         */

        public void point(PointEvent event) {

                super.point(event);

                Point2D point2D = event.getPoint();

                if (PluginServices.getMainFrame() != null)

                        PluginServices.getMainFrame().enableControls();

                BufferedImage image = mapCtrl.getImage();

                int value = image.getRGB((int) point2D.getX(), (int) point2D.getY());

                int r = (value >> 16) & 0xff;

                int g = (value >> 8) & 0xff;

                int b = value & 0xff;

                int a = image.getTransparency();

                model.setARGB(a, r, g, b);

        }

}