Application: gvSIG desktop

/*

 * Created on 17-feb-2004

 *

 * To change the template for this generated file go to

 * Window>Preferences>Java>Code Generation>Code and Comments

 */

/* 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 org.gvsig.rasterTools.saveRaster.operations;

import java.awt.Dimension;

import java.io.File;

import java.io.IOException;

import org.cresques.geo.ViewPortData;

import org.cresques.io.GeoRasterWriter;

import org.cresques.io.IDataWriter;

import org.cresques.io.data.RasterBuf;

import org.cresques.px.Extent;

import org.gvsig.rasterTools.saveRaster.ui.info.EndInfoDialog;

import org.gvsig.rasterTools.saveRaster.ui.properties.ProgressSaveRasterDialog;

import org.gvsig.rasterTools.saveRaster.util.DriverProperties;

import com.iver.andami.PluginServices;

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

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

import com.iver.cit.gvsig.fmap.layers.FLayers;

/**

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

 * de salvado y/p compresi?n

 * @author Nacho Brodin <brodin_ign@gva.es>

 */

public class SaveRasterThread extends Thread{

        private GeoRasterWriter                                writer = null;

        private ProgressSaveRasterDialog         window = null;

        private FLayers                                         layers = null;

        private ViewPort                                        vp = null;

        private MapControl                                        mapCtrl = null;

        private Dimension                                         dimension = null;

        private String                                                 fName = "";

        private int                                                 sizeBlock = GeoRasterWriter.blockSizeDefault;

        private double[]                                        maxPercentBarList = new double[1];;

        private int                                                 compresion = 10;

        private DriverProperties                         driverProps = null;

        public SaveRasterThread(MapControl mapCtrl,

                                                        FLayers layers,

                                                        Dimension dimension,

                                                        ViewPort vp,

                                                        ProgressSaveRasterDialog window){

                this.window = window;

                this.layers = layers;

                this.mapCtrl = mapCtrl;

                this.dimension = dimension;

                this.vp = vp;

        }

        public void run(){

                long t2;

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

                //Creamos el servidor de datos de la vista

                RasterizerLayer p = new RasterizerLayer(layers, vp, sizeBlock, mapCtrl, this);

                //Asignamos la barra de progreso

                p.setProgressBar(window, maxPercentBarList[0]);

                //Creamos el driver

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

                Dimension imgSz = vp.getImageSize();

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

                writer = GeoRasterWriter.getWriter((IDataWriter)p, fName, sizeBlock,

                                                                                        3, vpData, compresion, dimension.width,

                                                                                        dimension.height, RasterBuf.TYPE_IMAGE);

                //Si han sido modificadas las propiedades se asignan los valores modificados

                String[] prp = driverProps.getProperties(fName.toLowerCase().substring(fName.lastIndexOf(".") + 1));

                if(prp != null)

                        writer.setProps(prp);

                //Ejecutamos el driver con los datos pasados

                try{

                        writer.dataWrite();

                        writer.writeClose();

                }catch(IOException ev){

                        return;

                }

                t2 = new java.util.Date().getTime();

                try{

                        this.setEndInfo(fName, (t2 - t1));

                        PluginServices.getMDIManager().closeWindow(this.window);

                }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.

                }

        }

        private void setEndInfo(String fName, long milis){

                EndInfoDialog info = new EndInfoDialog();

                info.setFileName(" "+fName);

                File f = new File(fName);

                info.setSize(f.length());

                info.setTime(milis);

                if(        fName.endsWith("ecw") ||

                        fName.endsWith("jp2") ||

                        fName.endsWith("jpg") ||

                        fName.endsWith("jpeg"))

                        info.setCompression(true);

                else

                        info.setCompression(false);

                PluginServices.getMDIManager().addWindow(info);

        }

        /**

         *Detiene la compresi?n

         */

        synchronized public void stopThread(){

                writer.writeCancel();

        }

        /**

         * Asigna el objeto que contiene las propiedades

         * @param driverProps

         */

        public void setProps(DriverProperties driverProps){

                this.driverProps = driverProps;

        }

        /**

         * Asigna el nombre del fichero

         * @param fName        Nombre del fichero

         */

        public void setFName(String fName){

                this.fName = fName;

        }

        /**

         * Asigna el GeoRasterWriter que se usar? para salvar

         * @param writer

         */

        public void setWriter(GeoRasterWriter writer){

                this.writer = writer;

        }

        /**

         * Asigna el tama?o de bloque que se lee de una sola vez desde el origen

         * Esto influye en la velocidad de escritura y depende de la memoria que

         * tengamos disponible. Si disponemos de poca corremos el riesgo de que al

         * asignar un bloque muy grande nos de un error

         * @param sizeBlock Tama?o de bloque

         */

        public void setBlockSize(int sizeBlock){

                this.sizeBlock = sizeBlock;

        }

        /**

         * Asigna la compresi?n si el formato dispone de este par?metro

         * @param compresion Nivel de compresi?n

         */

        public void setCompresion(int compresion){

                this.compresion = compresion;

        }

}