Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

*

* Copyright (C) 2007 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.

*/

package org.gvsig.rastertools.saveraster.operations;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.geom.AffineTransform;

import java.io.IOException;

import java.util.Date;

import javax.swing.JOptionPane;

import org.gvsig.raster.dataset.GeoRasterWriter;

import org.gvsig.raster.dataset.IBuffer;

import org.gvsig.raster.dataset.IDataWriter;

import org.gvsig.raster.dataset.NotSupportedExtensionException;

import org.gvsig.raster.dataset.Params;

import org.gvsig.raster.dataset.io.RasterDriverException;

import org.gvsig.raster.datastruct.Extent;

import org.gvsig.raster.datastruct.ViewPortData;

import org.gvsig.rastertools.RasterProcess;

import com.iver.andami.PluginServices;

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

/**

 * Thread que se encarga de llamar a los writer para realizar la tarea de

 * salvado y/p compresi?n

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class SaveRasterProcess extends RasterProcess {

        private ViewPort          viewPort          = null;

        private Dimension         dimension         = null;

        private RasterizerLayer   rasterizerLayer   = null;

        private String            fileName          = "";

        private Params            writerParams      = null;

        /*

         * (non-Javadoc)

         * @see org.gvsig.rastertools.RasterProcess#init()

         */

        public void init() {

                viewPort = (ViewPort) getParam("viewport");

                dimension = (Dimension) getParam("dimension");

                rasterizerLayer = (RasterizerLayer) getParam("rasterizerlayer");

                fileName = getStringParam("filename");

                writerParams = (Params) getParam("writerparams");

        }

        /**

         * Procesos de escritura de una porci?n de la vista.

         */

        public void process() throws InterruptedException {

                GeoRasterWriter geoRasterWriter = null;

                long t2;

                long t1 = new java.util.Date().getTime();

                //Creamos el driver

                Extent ex = new Extent(viewPort.getAdjustedExtent());

                Dimension imgSz = viewPort.getImageSize();

                ViewPortData vpData = new ViewPortData(viewPort.getProjection(), ex, imgSz );

                AffineTransform at = new AffineTransform(vpData.getExtent().width() / imgSz.width,

                                                                                                 0, 0,

                                                                                                 -(vpData.getExtent().height() / imgSz.height),

                                                                                                 vpData.getExtent().getULX(),

                                                                                                 vpData.getExtent().getULY());

                try {

                        //TODO: FUNCIONALIDAD: Poner los gerWriter con la proyecci?n de la vista

                        geoRasterWriter = GeoRasterWriter.getWriter((IDataWriter)rasterizerLayer, fileName,

                                                                                                3, at, dimension.width,

                                                                                                dimension.height, IBuffer.TYPE_IMAGE, writerParams, null);

                } catch (NotSupportedExtensionException e) {

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),

                                        PluginServices.getText(this, "extension_no_soportada"));

                } catch (RasterDriverException e) {

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),

                                        PluginServices.getText(this, "no_driver_escritura"));

                }

                //Ejecutamos el driver con los datos pasados

                try {

                        geoRasterWriter.dataWrite();

                        geoRasterWriter.writeClose();

                        t2 = new Date().getTime();

                        try {

                                saveRasterFinalize(fileName, (t2 - t1));

                        } catch(ArrayIndexOutOfBoundsException exc) {

                                //Si la ventana se ha cerrado ya es porque ha sido cancelada por lo que

                                //producir? esta excepci?n. En este caso no se lanza la ventana de informaci?n

                                //de finalizaci?n.

                        }

                } catch(IOException ev) {

                        return;

                }

        }

        /**

         * Acciones que se realizan al finalizar de salvar a raster.

         * @param fileName Nombre del fichero

         * @param milis Tiempo que ha tardado en ejecutarse

         */

        private void saveRasterFinalize(String fileName, long milis) {

                if (incrementableTask != null)

                        incrementableTask.hideWindow();

                externalActions.end(new Object[]{fileName, new Long(milis)});

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getPercent()

         */

        public int getPercent() {

                if(rasterizerLayer != null)

                        return rasterizerLayer.getPercent();

                return 0;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getTitle()

         */

        public String getTitle() {

                if(rasterizerLayer != null)

                        return rasterizerLayer.getTitle();

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.rastertools.RasterProcess#getLog()

         */

        public String getLog() {

                if(rasterizerLayer != null)

                        return rasterizerLayer.getLog();

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLabel()

         */

        public String getLabel() {

                if(rasterizerLayer != null)

                        return rasterizerLayer.getLabel();

                return null;

        }

}