root / tags / v1_0_2_Build_895 / libraries / libCq CMS for java.old / src / org / cresques / io / ErmapperWriter.java @ 10328
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.io; |
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import es.gva.cit.jecwcompress.*; |
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import es.gva.cit.jgdal.GdalRasterBand; |
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import org.cresques.geo.ViewPortData; |
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import org.cresques.i18n.Messages; |
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import org.cresques.io.GdalWriter.GdalSupportOptions; |
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import org.cresques.io.data.WriterSupportOptions; |
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import org.cresques.px.PxRaster; |
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import java.io.IOException; |
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/**
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* Driver para la compresi?n en formato Ecw.
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*
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* Puede exportar un fichero desde un GeoRasterFile en cualquier formato soportado
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* por los drivers de lectura a uno en formato Ecw.
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*
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* Puede salvar a disco en formato Ecw obteniendo los datos que van siendo servidos
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* desde el cliente. Este cliente debe implementar un IDataWriter o tener un objeto
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* que lo implemente. Inicialmente le pasar? los par?metros de la imagen de salida
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* y cuando el driver comience a escribir le ir? solicitando m?s a trav?s del m?todo
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* readData de IDataWriter. El cliente ser? el que lleve el control de lo que va
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* sirviendo y lo que le queda por servir.
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* @author Nacho Brodin (brodin_ign@gva.es)
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*/
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public class ErmapperWriter extends GeoRasterWriter { |
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static {
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String os = System.getProperties().getProperty("os.version"); |
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if (os.startsWith("2.4")){ |
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GeoRasterWriter.registerWriterExtension("ecw", ErmapperWriter.class);
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typeList.put("ecw", "Ecw"); |
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} |
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GeoRasterWriter.registerWriterExtension("jp2", ErmapperWriter.class);
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typeList.put("jp2", "Jpeg2000"); |
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} |
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public final int windowSizeX = 386; |
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public final int windowSizeY = 220; |
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public final int panelSizeX = 358; |
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public final int panelSizeY = 125; |
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public final String panelLayout = "BorderLayout"; |
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private NCSEcwCompressClient compressclient = null; |
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private Reader readerObj; |
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private double pixelSizeX; |
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private double pixelSizeY; |
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private double geoCoordOrigenX; |
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private double geoCoordOrigenY; |
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private EcwSupportOptions support = null; |
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private boolean consulta = false; |
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/**
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* Constructor para la obtenci?n de par?metros del driver.
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*/
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public ErmapperWriter(String fileName) { |
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ident = fileName.toLowerCase().substring(fileName.lastIndexOf(".") + 1); |
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driver = (String)typeList.get(ident);
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support = new EcwSupportOptions(driver);
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support.setBlockSize(blockSizeDefault); |
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support.setCompressionDefault(10);
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support.setFormatDefault(4);
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support.setWriteGeoref(true);
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consulta = true;
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} |
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/**
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* Constructor para salvar una sola imagen completa
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* @param raster PxRaster de la imagen origen
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* @param outfilename Fichero de salida
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* @param infilename Fichero de entrada
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* @param compresion Compresi?n
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*/
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public ErmapperWriter(PxRaster raster, String outFileName, String inFileName, |
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int compresion) throws EcwException, IOException { |
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ident = outFileName.toLowerCase().substring(outFileName.lastIndexOf(".") + 1); |
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driver = (String)typeList.get(ident);
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support = new EcwSupportOptions(driver);
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this.outFileName = outFileName;
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this.inFileName = inFileName;
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currentRaster = raster; |
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support.setCompressionDefault(compresion); |
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sizeWindowX = raster.getFWidth(); |
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sizeWindowY = raster.getFHeight(); |
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support.setBlockSize(currentRaster.getBlockSize()); |
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nBands = currentRaster.getBandCount(); |
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//Calculamos la georeferenciaci?n
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double maxX = currentRaster.getExtent().maxX();
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geoCoordOrigenX = currentRaster.getExtent().minX(); |
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geoCoordOrigenY = currentRaster.getExtent().maxY(); |
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double minY = currentRaster.getExtent().minY();
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double w = currentRaster.getFWidth();
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double h = currentRaster.getFHeight();
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pixelSizeX = (maxX - geoCoordOrigenX) / w; |
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pixelSizeY = (minY - geoCoordOrigenY) / h; |
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if ((sizeWindowX < 0) || (sizeWindowY < 0)) { |
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throw new IOException("Tama?o del fichero de salida erroneo."); |
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} |
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if (nBands == 1) { |
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this.support.setFormatDefault(CompressFormat.COMPRESS_UINT8);
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} else if (nBands == 3) { |
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this.support.setFormatDefault(CompressFormat.COMPRESS_RGB);
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} else {
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this.support.setFormatDefault(CompressFormat.COMPRESS_MULTI);
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} |
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init(); |
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} |
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/**
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* Constructor para la lectura de datos desde el objeto cliente a partir
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* de un viewport dado.
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* @param dataWriter Objeto que sirve datos para el escritor
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* @param vp viewport de origen
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* @param outFileName Fichero de salida
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* @param blockSize Tama?o de bloque
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* @param nBands N?mero de bandas
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* @param compresion Compresi?n
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* @throws EcwException
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* @throws IOException
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*/
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public ErmapperWriter( IDataWriter dataWriter,
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String outFileName,
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Integer blockSize,
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Integer nBands,
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ViewPortData vp, |
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Integer compresion,
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Integer outSizeX,
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Integer outSizeY) throws EcwException, IOException { |
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ident = outFileName.toLowerCase().substring(outFileName.lastIndexOf(".") + 1); |
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driver = (String)typeList.get(ident);
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support = new EcwSupportOptions(driver);
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if (compresion.intValue() <= 0) { |
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throw new EcwException("Tasa de compresi?n no valida."); |
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} |
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if (nBands.intValue() <= 0) { |
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throw new EcwException("N?mero de bandas erroneo."); |
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} |
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if ((vp.getWidth() <= 0) || (vp.getHeight() <= 0)) { |
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throw new EcwException("Tama?o de la imagen de salida erroneo."); |
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} |
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this.outFileName = outFileName;
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this.dataWriter = dataWriter;
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this.support.setCompressionDefault(compresion.intValue());
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this.nBands = nBands.intValue();
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this.sizeWindowX = (int) vp.getWidth(); |
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this.sizeWindowY = (int) vp.getHeight(); |
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this.support.setBlockSize(blockSize.intValue());
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//Calculamos la georeferenciaci?n a partir del extend pasado por el cliente.
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double maxX = vp.getExtent().maxX();
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geoCoordOrigenX = vp.getExtent().minX(); |
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geoCoordOrigenY = vp.getExtent().maxY(); |
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double minY = vp.getExtent().minY();
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pixelSizeX = (maxX - geoCoordOrigenX) / vp.getWidth(); |
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pixelSizeY = (minY - geoCoordOrigenY) / vp.getHeight(); |
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if (pixelSizeX == 0) { |
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pixelSizeX = 1.0;
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} |
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if (pixelSizeY == 0) { |
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pixelSizeY = 1.0;
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} |
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init(); |
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} |
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/**
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* Inicializaci?n de los par?metros del compresor que ser?n obtenidos
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* de PxRaster.
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* @throws EcwException
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*/
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private void init() throws EcwException { |
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if (this.support.getCompression() == 0) { |
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this.support.setCompressionDefault(1); |
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} |
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if (compressclient == null) { |
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compressclient = new NCSEcwCompressClient();
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} |
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compressclient.setOutputFilename(outFileName); |
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compressclient.setInputFilename(inFileName); |
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compressclient.setTargetCompress(this.support.getCompression());
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compressclient.setInOutSizeX(sizeWindowX); |
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compressclient.setInOutSizeY(sizeWindowY); |
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compressclient.setInputBands(nBands); |
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compressclient.setCompressFormat(this.support.getFormat());
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//System.out.println("Origen=>"+minX + " "+maxY );
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//System.out.println("Pixel Size=>"+psX+" "+psY);
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//compressclient.setDatum("UTM Zona 31N");
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//client.setProjection("WGS84");
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if (this.support.getGeoref()) { |
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compressclient.setCellIncrementX(pixelSizeX); |
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compressclient.setCellIncrementY(pixelSizeY); |
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compressclient.setOriginX(geoCoordOrigenX); |
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compressclient.setOriginY(geoCoordOrigenY); |
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} |
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compressclient.setCellSizeUnits(1);
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//System.out.println(outfilename+" "+infilename+" "+compresion+" "+sizeWindowX+" "+sizeWindowY+" "+currentRaster.getBandCount());
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//System.out.println(psX+" "+psY+" "+minX+" "+maxX);
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if (currentRaster != null) { |
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readerObj = new Reader(currentRaster.getGeoFile(), compressclient, |
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ulX, ulY, sizeWindowX, sizeWindowY, |
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this.support.getBlockSize());
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} else if (dataWriter != null) { |
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readerObj = new Reader(dataWriter, compressclient, sizeWindowX, |
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sizeWindowY, this.support.getBlockSize(),
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this.nBands);
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} |
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} |
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/**
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* A partir de un elemento que contiene una propiedad y un valor
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* lo parsea y asigna el valor a su variable.
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* @param propValue elemento con la forma propiedad=valor
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*/
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private void readProperty(String propValue) { |
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String prop = propValue.substring(0, propValue.indexOf("=")); |
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if (propValue.startsWith(prop)) {
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String value = propValue.substring(propValue.indexOf("=") + 1, |
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propValue.length()); |
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if ((value != null) && !value.equals("")) { |
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if (prop.equals("BLOCKSIZE")) { |
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this.support.setBlockSize(Integer.parseInt(value)); |
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} |
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if (prop.equals("FORMAT")) { |
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int select = 0; |
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if (value.equals("UINT8")) { |
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select = 1;
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} |
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if (value.equals("YUV")) { |
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select = 2;
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} |
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if (value.equals("MULTI")) { |
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select = 3;
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} |
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if (value.equals("RGB")) { |
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select = 4;
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} |
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this.support.setFormatDefault(select);
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} |
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if (prop.equals("GEOREF")) { |
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boolean georef = true; |
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if (value.equals("yes")) { |
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georef = true;
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} else {
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georef = false;
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} |
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this.support.setWriteGeoref(georef);
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} |
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if (prop.equals("COMPRESSION")) { |
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this.support.setCompressionDefault(Integer.parseInt(value)); |
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} |
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} |
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} |
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} |
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/**
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* Asigna propiedades al driver a partir de un vector de
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* strings donde cada elemento tiene la estructura de
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* propiedad=valor.
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* @param props Propiedades
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*/
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public void setProps(String[] props) { |
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for (int iProps = 0; iProps < props.length; iProps++) |
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readProperty(props[iProps]); |
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try {
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if (!consulta) {
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init(); |
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} |
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} catch (EcwException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Realiza la funci?n de compresi?n a partir de un GeoRasterFile.
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* @throws IOException
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*/
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public void fileWrite() throws IOException { |
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if (currentRaster == null) { |
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throw new IOException("No se ha asignado un fichero de entrada."); |
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} |
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try {
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compressclient.NCSEcwCompressOpen(false);
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compressclient.NCSEcwCompress(readerObj); |
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} catch (EcwException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Realiza la funci?n de compresi?n a partir de los datos pasados por el cliente.
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* @throws IOException
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*/
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public void dataWrite() throws IOException { |
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if (dataWriter == null) { |
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throw new IOException("No se ha obtenido un objeto para la lectura valido."); |
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} |
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try {
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compressclient.NCSEcwCompressOpen(false);
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compressclient.NCSEcwCompress(readerObj); |
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} catch (EcwException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Cierra el compresor ecw.
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*/
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public void writeClose() { |
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try {
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compressclient.NCSEcwCompressClose(); |
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} catch (EcwException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Cancela el compresor ecw.
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*/
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public void writeCancel() { |
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try {
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if(readerObj != null) |
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readerObj.setWrite(false);
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compressclient.NCSEcwCompressCancel(); |
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} catch (EcwException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Devuelve la configuraci?n de la ventana de dialogo
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* para las propiedades del driver de escritura de Ecw.
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* @return XML de configuraci?n del dialogo.
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*/
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public String getXMLPropertiesDialog() { |
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StringBuffer options = null; |
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options = new StringBuffer(); |
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options.append("<window sizex=\"" + this.windowSizeX + "\" sizey=\"" + |
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this.windowSizeY + "\">"); |
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options.append("<panel sizex=\"" + this.panelSizeX + "\" sizey=\"" + |
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this.panelSizeY + "\" layout=\"" + this.panelLayout + |
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"\" border=\"yes\">");
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options.append("<panel layout=\"FlowLayout\" position=\"North\" align=\"left\">");
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options.append("<label>"+Messages.getText("Block_Size_")+"</label>"); |
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options.append("<combo ident=\"BLOCKSIZE\" selected=\"" +
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this.support.getBlockSize() + "\">"); |
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for (int i = 0; i < this.support.getBlockSizeList().length; i++) |
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options.append("<elem>" + this.support.getBlockSizeList()[i] + |
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"</elem>");
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options.append("</combo>");
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/*options.append("<label>Formato:</label>");
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String sel = null;
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if (this.support.getGeoref()) {
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sel = new String("yes");
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} else {
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sel = new String("no");
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}
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options.append("<check ident=\"GEOREF\" selected=\"" + sel +
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"\" text=\"Georef Si/No\">");
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options.append("</check>");*/
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options.append("</panel>");
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options.append("<panel layout=\"FlowLayout\" position=\"South\">");
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options.append("<slider ident=\"COMPRESSION\" name=\"Nivel de Compresi?n\" sizex=\"350\" sizey=\"20\">");
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options.append("<min>" + this.support.getCompressionList()[0] + |
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"</min>");
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options.append("<max>" + this.support.getCompressionList()[1] + |
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"</max>");
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options.append("<value>" + this.support.compresionDefault + "</value>"); |
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options.append("<minorspacing>" + this.support.getCompressionList()[3] + |
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"</minorspacing>");
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options.append("<majorspacing>" + this.support.getCompressionList()[4] + |
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"</majorspacing>");
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options.append("</slider>");
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options.append("</panel>");
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options.append("</panel>");
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options.append("</window>");
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return options.toString();
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} |
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/**
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* @author Nacho Brodin <brodin_ign@gva.es>
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*
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* Opciones de escritura para el Ecw. Estas opciones son utilizadas para el
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* dialogo de propiedades de Salvar a Raster en Ecw.
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*/
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class EcwSupportOptions extends WriterSupportOptions { |
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private String[] compresionListValues = { "0", "20", "10", "1", "5" }; //min, max, valor defecto, intervalo peque?o, intervalo grande; |
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private String[] formatList = { "NONE", "UINT8", "YUV", "MULTI", "RGB" }; |
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private int formatDefault = 4; |
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private int compresionDefault = 10; |
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EcwSupportOptions(String drv) {
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super(drv);
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} |
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/**
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* Asigna la lista de valores de compresi?n
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* @param compresion lista de valores
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*/
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public void setCompressionList(String[] compresion) { |
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this.compresionListValues = compresion;
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} |
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|
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/**
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* Valor de formato seleccionado en el driver.
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* 0-NONE, 1-UINT8, 2-YUV, 3-MULTI, 4-RGB
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* @param i valor de formato
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*/
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public void setFormatDefault(int i) { |
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this.formatDefault = i;
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} |
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|
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/**
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* Asigna el nivel de compresi?npor defecto
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* @param compress Nivel de compresi?n
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*/
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public void setCompressionDefault(int compress) { |
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this.compresionDefault = compress;
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} |
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|
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/**
|
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* Obtiene el tipo de imagen en un formato comprensible por el driver.
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* @return Tipo de imagen
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*/
|
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public String getStringFormat() { |
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return "COMPRESS_" + formatList[formatDefault]; |
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} |
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|
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/**
|
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* Obtiene la lista de los tipos de formato disponible
|
503 |
* @return Lista de tipos de formato
|
504 |
*/
|
505 |
public String[] getFormatList() { |
506 |
return formatList;
|
507 |
} |
508 |
|
509 |
/**
|
510 |
* Obtiene el tipo de formato seleccionado en el driver
|
511 |
* @return Tipo de formato seleccionado
|
512 |
*/
|
513 |
public int getFormat() { |
514 |
return formatDefault;
|
515 |
} |
516 |
|
517 |
/**
|
518 |
* Obtiene la compresion seleccionada
|
519 |
* @return Compresi?n seleccionada
|
520 |
*/
|
521 |
public int getCompression() { |
522 |
return compresionDefault;
|
523 |
} |
524 |
|
525 |
/**
|
526 |
* Obtiene la lista de los valores para la generaci?n de la barra de
|
527 |
* compresi?n. Son cinco valores m?nimo, m?ximo, seleccionado,
|
528 |
* intervalo peque?o, intervalo grande.
|
529 |
* @return lista de valores de compresi?n
|
530 |
*/
|
531 |
public String[] getCompressionList() { |
532 |
return compresionListValues;
|
533 |
} |
534 |
} |
535 |
} |
536 |
|
537 |
|
538 |
/**
|
539 |
* Clase que se encarga de la lectura de datos que ser?n escritos. Hereda de JniObject
|
540 |
* para asegurar para asegurar que el interfaz de la libreria tiene acceso a variables
|
541 |
* necesarias para la petici?n de datos cuando vacia el buffer. Implementa ReadCallBack
|
542 |
* para obligar escribir el m?todo loadBuffer encargado de servir los datos cuando el
|
543 |
* buffer se vacia.
|
544 |
*
|
545 |
*/
|
546 |
class Reader extends JniObject implements ReadCallBack { |
547 |
private NCSEcwCompressClient compressclient = null; |
548 |
private int width; |
549 |
private int height; |
550 |
private int ulX; |
551 |
private int ulY; |
552 |
private GeoRasterFile grf = null; |
553 |
private IDataWriter dataWriter = null; |
554 |
private GdalRasterBand rband = null; |
555 |
private int blockSizeRead = 1; //Alto del bloque leido de la imagen origen |
556 |
private int countLine = 1; //Contador de l?neas procesadas en cada lectura de bloque |
557 |
byte[][] buf = null; |
558 |
byte[] bufband1 = null; |
559 |
byte[] bufband2 = null; |
560 |
byte[] bufband3 = null; |
561 |
byte[] bufband4 = null; |
562 |
byte[] bufband5 = null; |
563 |
byte[] bufband6 = null; |
564 |
int[] dataBuffer = null; |
565 |
private int lineasBloqueFinal = 0; //N?mero de l?neas leidas del bloque final |
566 |
private int nBlocks = 0; //N?mero de bloques completos |
567 |
private int countBlock = 1; //Contador de bloques completos procesados |
568 |
private int nBands = 0; |
569 |
private boolean write = true; //Cuando est? a true se puede escribir en la imagen de salida. Si est? a false el proceso es interrumpido |
570 |
|
571 |
/**
|
572 |
* Constructor para la escritura de un fichero desde un GeoRasterFile
|
573 |
* @param grf GeorasterFile del fichero de origen
|
574 |
* @param compressclient Objeto que representa al compresor ecw
|
575 |
* @param ulx Coordenada X de la esquina superior izquierda
|
576 |
* @param uly Coordenada Y de la esquina superior izquierda
|
577 |
* @param width Ancho de la imagen
|
578 |
* @param height Alto de la imagen
|
579 |
* @param blockSizeRead Altura del bloque en la lectura
|
580 |
*/
|
581 |
public Reader(GeoRasterFile grf, NCSEcwCompressClient compressclient, |
582 |
int ulx, int uly, int width, int height, int blockSizeRead) { |
583 |
this.compressclient = compressclient;
|
584 |
this.width = width;
|
585 |
this.height = height;
|
586 |
this.ulX = ulx;
|
587 |
this.ulY = uly;
|
588 |
this.grf = grf;
|
589 |
this.nBands = grf.getBandCount();
|
590 |
|
591 |
if (blockSizeRead != 0) { |
592 |
this.blockSizeRead = blockSizeRead;
|
593 |
} |
594 |
|
595 |
nBlocks = (int) (height / this.blockSizeRead); |
596 |
lineasBloqueFinal = height - (nBlocks * this.blockSizeRead);
|
597 |
|
598 |
} |
599 |
|
600 |
/**
|
601 |
* Constructor para que los datos sean servidos desde el cliente a trav?s de un
|
602 |
* IDataWriter.
|
603 |
* @param dataWriter Objeto servidor de datos del driver
|
604 |
* @param compressclient Objeto que representa al compresor ecw
|
605 |
* @param width Ancho de la imagen
|
606 |
* @param height Alto de la imagen
|
607 |
* @param blockSizeRead Altura del bloque en la lectura
|
608 |
* @param nBands N?mero de bandas
|
609 |
*/
|
610 |
public Reader(IDataWriter dataWriter, NCSEcwCompressClient compressclient, |
611 |
int width, int height, int blockSizeRead, int nBands) { |
612 |
this.compressclient = compressclient;
|
613 |
this.width = width;
|
614 |
this.height = height;
|
615 |
this.dataWriter = dataWriter;
|
616 |
this.nBands = nBands;
|
617 |
|
618 |
if (blockSizeRead != 0) { |
619 |
this.blockSizeRead = blockSizeRead;
|
620 |
} |
621 |
|
622 |
nBlocks = (int) (height / this.blockSizeRead); |
623 |
lineasBloqueFinal = height - (nBlocks * this.blockSizeRead);
|
624 |
|
625 |
} |
626 |
|
627 |
/**
|
628 |
* Lectura de bandas desde un GeoRasterFile
|
629 |
* @param ulX Coordenada X de la esquina superior izquierda
|
630 |
* @param ulY Coordenada Y de la esquina superior izquierda
|
631 |
* @param width Ancho de la imagen
|
632 |
* @param lineasLeidas N?mero de l?neas a leer del origen
|
633 |
*/
|
634 |
private void readBandsGRFile(int ulX, int ulY, int width, int lineasLeidas) { |
635 |
if (nBands >= 1) { |
636 |
bufband1 = grf.getWindow(ulX, ulY, width, lineasLeidas, 1);
|
637 |
} |
638 |
|
639 |
if (nBands >= 2) { |
640 |
bufband2 = grf.getWindow(ulX, ulY, width, lineasLeidas, 2);
|
641 |
} |
642 |
|
643 |
if (nBands >= 3) { |
644 |
bufband3 = grf.getWindow(ulX, ulY, width, lineasLeidas, 3);
|
645 |
} |
646 |
|
647 |
if (nBands >= 4) { |
648 |
bufband4 = grf.getWindow(ulX, ulY, width, lineasLeidas, 4);
|
649 |
} |
650 |
|
651 |
if (nBands >= 5) { |
652 |
bufband5 = grf.getWindow(ulX, ulY, width, lineasLeidas, 5);
|
653 |
} |
654 |
|
655 |
if (nBands >= 6) { |
656 |
bufband6 = grf.getWindow(ulX, ulY, width, lineasLeidas, 6);
|
657 |
} |
658 |
} |
659 |
|
660 |
/**
|
661 |
* Lectura de bandas llamando al objeto cliente para que nos cargue el buffer
|
662 |
* @param width Ancho de la imagen
|
663 |
* @param height Alto de la imagen
|
664 |
*/
|
665 |
private void readBands(int width, int height) { |
666 |
dataBuffer = dataWriter.readData(width, height, 0);
|
667 |
} |
668 |
|
669 |
/**
|
670 |
* M?todo obligado por el interfaz y que es llamado desde C cuando el
|
671 |
* compresor necesita que le sirvan m?s datos.
|
672 |
*/
|
673 |
public void loadBuffer() { |
674 |
int lineasLeidas = 0; |
675 |
|
676 |
//si se leen bloques completos lineasLeidas es == al tama?o de bloque sino
|
677 |
//es que es el ?ltimo con lo que ser? del tama?o del bloque final
|
678 |
if (countBlock <= nBlocks) {
|
679 |
lineasLeidas = blockSizeRead; |
680 |
} else {
|
681 |
lineasLeidas = lineasBloqueFinal; |
682 |
} |
683 |
|
684 |
//Leemos un bloque nuevo cuando se han procesado todas las l?neas del anterior
|
685 |
if ((nNextLine % blockSizeRead) == 0) { |
686 |
if (grf != null) { |
687 |
readBandsGRFile(ulX, ulY + nNextLine, width, lineasLeidas); |
688 |
} else if (dataWriter != null) { |
689 |
readBands(width, lineasLeidas); |
690 |
} |
691 |
|
692 |
countLine = 0;
|
693 |
countBlock++; |
694 |
} |
695 |
|
696 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
697 |
for (int pos = 0; pos < width; pos++) { |
698 |
if (grf != null && write) { |
699 |
if (iBand == 0) { |
700 |
compressclient.buffer[pos + (width * iBand)] = bufband1[pos + |
701 |
(width * countLine)]; |
702 |
} |
703 |
|
704 |
if (iBand == 1) { |
705 |
compressclient.buffer[pos + (width * iBand)] = bufband2[pos + |
706 |
(width * countLine)]; |
707 |
} |
708 |
|
709 |
if (iBand == 2) { |
710 |
compressclient.buffer[pos + (width * iBand)] = bufband3[pos + |
711 |
(width * countLine)]; |
712 |
} |
713 |
|
714 |
if (iBand == 3) { |
715 |
compressclient.buffer[pos + (width * iBand)] = bufband4[pos + |
716 |
(width * countLine)]; |
717 |
} |
718 |
|
719 |
if (iBand == 4) { |
720 |
compressclient.buffer[pos + (width * iBand)] = bufband5[pos + |
721 |
(width * countLine)]; |
722 |
} |
723 |
|
724 |
if (iBand == 5) { |
725 |
compressclient.buffer[pos + (width * iBand)] = bufband6[pos + |
726 |
(width * countLine)]; |
727 |
} |
728 |
} else {
|
729 |
if (iBand == 0) { |
730 |
compressclient.buffer[pos + (width * iBand)] = (byte) ((dataBuffer[pos +
|
731 |
(width * countLine)] & |
732 |
0xff0000) >> 16); |
733 |
} |
734 |
|
735 |
if (iBand == 1) { |
736 |
compressclient.buffer[pos + (width * iBand)] = (byte) ((dataBuffer[pos +
|
737 |
(width * countLine)] & |
738 |
0xff00) >> 8); |
739 |
} |
740 |
|
741 |
if (iBand == 2) { |
742 |
compressclient.buffer[pos + (width * iBand)] = (byte) (dataBuffer[pos +
|
743 |
(width * countLine)] & |
744 |
0xff);
|
745 |
} |
746 |
} |
747 |
|
748 |
if ((pos == (width - 1)) && (iBand == (this.nBands - 1))) { |
749 |
countLine++; |
750 |
} |
751 |
} |
752 |
} |
753 |
} |
754 |
|
755 |
/**
|
756 |
* M?todo obligado por el interfaz y que es llamado desde C cuando el
|
757 |
* compresor actualiza el porcentaje de compresi?n
|
758 |
*/
|
759 |
public void updatePercent() { |
760 |
System.out.println(compressclient.getPercent() + "%"); |
761 |
} |
762 |
|
763 |
/**
|
764 |
* Obtiene el valor a la variable write que estar? a true cuando se est? escribiendo
|
765 |
* o puede escribirse la imagen de salida. El cancelar la operaci?n de escritura
|
766 |
* pondr? esta variable a false deteniendose la escritura y cerrandose el dataset
|
767 |
* de salida.
|
768 |
* @return True si puede escribirse y false si no puede
|
769 |
*/
|
770 |
public boolean isWrite() { |
771 |
return write;
|
772 |
} |
773 |
|
774 |
/**
|
775 |
* Asigna el valor a la variable write que estar? a true cuando se est? escribiendo
|
776 |
* o puede escribirse la imagen de salida. El cancelar la operaci?n de escritura
|
777 |
* pondr? esta variable a false deteniendose la escritura y cerrandose el dataset
|
778 |
* de salida.
|
779 |
* @param write Variable booleana. True si puede escribirse y false si no puede
|
780 |
*/
|
781 |
public void setWrite(boolean write) { |
782 |
this.write = write;
|
783 |
} |
784 |
|
785 |
} |