gvsig-raster / org.gvsig.raster.lizardtech / branches / org.gvsig.raster.lizardtech_dataaccess_refactoring / org.gvsig.raster.lizardtech.io / src / main / java / org / gvsig / raster / lizardtech / io / LizardTechProvider.java @ 2308
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package org.gvsig.raster.lizardtech.io; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import org.gvsig.fmap.dal.DALFileLocator; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
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import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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import org.gvsig.fmap.dal.coverage.exception.ParsingException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.metadata.MetadataLocator; |
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import org.gvsig.raster.cache.tile.provider.TileServer; |
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import org.gvsig.raster.impl.buffer.SpiRasterQuery; |
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import org.gvsig.raster.impl.datastruct.ExtentImpl; |
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import org.gvsig.raster.impl.process.RasterTask; |
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import org.gvsig.raster.impl.process.RasterTaskQueue; |
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import org.gvsig.raster.impl.provider.AbstractRasterProvider; |
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import org.gvsig.raster.impl.provider.RasterProvider; |
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import org.gvsig.raster.impl.provider.tile.FileTileServer; |
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import org.gvsig.raster.impl.store.AbstractRasterDataParameters; |
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import org.gvsig.raster.impl.store.DefaultRasterStore; |
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import org.gvsig.raster.impl.store.DefaultStoreFactory; |
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import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
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import org.gvsig.raster.impl.store.properties.DataStoreTransparency; |
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import org.gvsig.tools.ToolsLocator; |
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import es.gva.cit.jmrsid.MrSIDException; |
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/**
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* Clase encargada del acceso a los datos y repintado de imagenes MrSID. Estos
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* son registrados con la extensi?n sid
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*
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* @version 15/05/2008
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class LizardTechProvider extends AbstractRasterProvider { |
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public static String NAME = "LizardTech Store"; |
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public static String DESCRIPTION = "LizardTech Raster file"; |
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public static final String METADATA_DEFINITION_NAME = "LizardTechStore"; |
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protected LizardTechNative file = null; |
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private Extent viewRequest = null; |
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private DataStoreColorInterpretation colorInterpr = null; |
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protected DataStoreTransparency fileTransparency = null; |
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private boolean open = false; |
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protected static String[] formatList = null; |
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public static void register() { |
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RasterLocator.getManager().getProviderServices().registerFileProvidersTiled(LizardTechProvider.class); |
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registerFormats(); |
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DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
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if (dataman != null && !dataman.getStoreProviders().contains(NAME)) { |
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dataman.registerStoreProvider(NAME, |
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LizardTechProvider.class, LizardTechDataParameters.class); |
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} |
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if(DALFileLocator.getFilesystemServerExplorerManager() != null) |
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DALFileLocator.getFilesystemServerExplorerManager().registerProvider( |
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NAME, DESCRIPTION, |
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LizardTechFilesystemServerExplorer.class); |
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dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
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} |
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private static void registerFormats() { |
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formatList = new String[] {"sid"}; |
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for (int i = 0; i < formatList.length; i++) |
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RasterLocator.getManager().getProviderServices().addFormat(formatList[i], LizardTechProvider.class); |
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} |
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public String[] getFormatList() { |
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return formatList;
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} |
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/**
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* Returns true if the extension is supported and false if doesn't
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* @param ext
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* @return
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*/
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public boolean isExtensionSupported(String ext) { |
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if(ext.indexOf(".") != -1) |
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ext = ext.substring(ext.lastIndexOf(".") + 1, ext.length()); |
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for (int i = 0; i < formatList.length; i++) { |
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if(formatList[i].compareTo(ext) == 0) |
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return true; |
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} |
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return false; |
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} |
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/**
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* Mandatory constructor to instantiate an empty provider
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*/
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public LizardTechProvider() {
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} |
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/**
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* Constructor. Abre el dataset.
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* @param proj Proyecci?n
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* @param fName Nombre del fichero ecw
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* @throws NotSupportedExtensionException
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*/
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public LizardTechProvider(String params) throws NotSupportedExtensionException { |
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super(params);
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if(params instanceof String) { |
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LizardTechDataParameters p = new LizardTechDataParameters();
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p.setURI((String)params);
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super.init(p, null, ToolsLocator.getDynObjectManager() |
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.createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition( |
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DataStore.METADATA_DEFINITION_NAME))); |
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init(p, null);
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} |
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} |
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public LizardTechProvider(LizardTechDataParameters params,
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
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super(params, storeServices, ToolsLocator.getDynObjectManager()
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.createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition( |
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DataStore.METADATA_DEFINITION_NAME))); |
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init(params, storeServices); |
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} |
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/**
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* Contructor. Abre el fichero mrsid
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* @param proj Proyecci?n
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* @param fName Nombre del fichero mrsid
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*/
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public void init(AbstractRasterDataParameters params, |
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
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setParam(storeServices, params); |
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try {
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file = new LizardTechNative(params.getURI());
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load(); |
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bandCount = file.nbands; |
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int[] dt = new int[bandCount]; |
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for (int i = 0; i < dt.length; i++) |
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dt[i] = Buffer.TYPE_BYTE;
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setDataType(dt); |
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super.init();
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try {
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loadFromRmf(getRmfBlocksManager()); |
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} catch (ParsingException e) {
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// No lee desde rmf
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} |
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} catch (Exception e) { |
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System.out.println("Error en constructor de MrSID"); |
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e.printStackTrace(); |
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file = null;
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} |
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open = true;
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} |
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public RasterProvider load() {
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ownTransformation = file.getOwnTransformation(); |
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externalTransformation = (AffineTransform) ownTransformation.clone();
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return this; |
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} |
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public boolean isOpen() { |
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return open;
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} |
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public void close() { |
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if (file != null) { |
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file.close(); |
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file = null;
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} |
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open = false;
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} |
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public void setView(Extent e) { |
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viewRequest = new ExtentImpl(e);
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} |
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public Extent getView() {
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return viewRequest;
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} |
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public double getWidth() { |
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return file.width;
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} |
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public double getHeight() { |
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return file.height;
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} |
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/**
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* Asigna al objeto Image los valores con los dato de la imagen contenidos en
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* el vector de enteros.
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* @param image imagen con los datos actuales
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* @param startX inicio de la posici?n en X dentro de la imagen
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* @param startY inicio de la posici?n en X dentro de la imagen
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* @param w Ancho de la imagen
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* @param h Alto de la imagen
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* @param rgbArray vector que contiene la banda que se va a sustituir
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* @param offset desplazamiento
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* @param scansize tama?o de imagen recorrida por cada p
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*/
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protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, |
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int[] rgbArray, int offset, int scansize) { |
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image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
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} |
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public Object getData(int x, int y, int band) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
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if (file != null) { |
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if (x < 0 || y < 0 || x >= file.width || y >= file.height) |
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throw new InvalidSetViewException("Request out of grid"); |
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Object[] data = file.getData(x, y); |
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return data[band];
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} |
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throw new FileNotOpenException("MrSIDNative not exist"); |
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} |
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public int getBlockSize() { |
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return file.blocksize;
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} |
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/**
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* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el
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* driver el que colocar? el valor de esta variable cada vez que dibuja.
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* @return true si se ha supersampleado y false si no se ha hecho.
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*/
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public boolean isSupersampling() { |
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return file.isSupersampling;
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} |
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@Override
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public void loadBuffer(SpiRasterQuery query) |
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throws ProcessInterruptedException, RasterDriverException {
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setView(query.getAdjustedRequestBoundingBox()); |
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int width = query.getAdjustedBufWidth();
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int height = query.getAdjustedBufHeight();
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file.setView(viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), width, height); |
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int[] pRGBArray = new int[width * height]; |
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try {
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RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
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file.readScene(pRGBArray, task); |
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loadBuffer(height, |
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width, |
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query.getBandList(), |
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query.getBufferForProviders(), |
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pRGBArray); |
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} catch (MrSIDException e) {
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throw new RasterDriverException("Error reading data"); |
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} |
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} |
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// private void loadCachedBuffer( Buffer buf,
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// Extent inputWindow,
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// RasterTask task,
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// int[] pRGBArray,
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// BandList bandList) throws ProcessInterruptedException, MrSIDException {
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// if(buf.isCached()) {
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// Point2D blockHeightWC = rasterToWorld(new Point2D.Double(buf.getBlockHeight(), buf.getBlockHeight()));
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// int nBlocks = (int)(inputWindow.height() / blockHeightWC.getX());
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// double lastblockWC = inputWindow.height() - (nBlocks * blockHeightWC.getX());
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// int lastBlock = buf.getHeight() - (nBlocks * buf.getBlockHeight());
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// if(lastblockWC > 0)
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// nBlocks ++;
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// double init = inputWindow.getULY();
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// Extent ext = null;
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// for (int i = 0; i < nBlocks; i++) {
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// if(lastblockWC > 0 && i == (nBlocks - 1)) {
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// ext = RasterLocator.getManager().getDataStructFactory().createExtent(
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// inputWindow.getULX(),
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// init,
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// inputWindow.getLRX(),
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// lastblockWC);
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// file.setView(ext.getULX(), ext.getULY(), ext.getLRX(), ext.getLRY(), buf.getWidth(), buf.getBlockHeight());
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// file.readScene(pRGBArray, task);
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// loadPartialBuffer(new int[]{0, i * buf.getBlockHeight(), buf.getWidth(), buf.getHeight() },
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// bandList,
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// buf,
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// pRGBArray,
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// buf.getWidth());
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// } else {
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// ext = RasterLocator.getManager().getDataStructFactory().createExtent(
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// inputWindow.getULX(),
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// init,
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// inputWindow.getLRX(),
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// init - blockHeightWC.getX());
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// file.setView(ext.getULX(), ext.getULY(), ext.getLRX(), ext.getLRY(), buf.getWidth(), lastBlock);
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// file.readScene(pRGBArray, task);
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// loadPartialBuffer(new int[]{0, i * buf.getBlockHeight(), buf.getWidth(), i * buf.getBlockHeight() + buf.getBlockHeight() },
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// bandList,
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// buf,
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// pRGBArray,
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// buf.getWidth());
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// init += buf.getBlockHeight();
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// }
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// }
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// } else {
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// file.setView(inputWindow.getULX(), inputWindow.getULY(), inputWindow.getLRX(), inputWindow.getLRY(), buf.getWidth(), buf.getHeight());
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// file.readScene(pRGBArray, task);
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// loadBuffer(buf.getWidth(), buf.getHeight(), bandList, buf, pRGBArray);
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// }
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// }
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//
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// private void loadPartialBuffer(int[] stepBuffer,
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// BandList bandList,
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// Buffer rasterBuf,
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// int[] pRGBArray,
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// int bufWidth) throws ProcessInterruptedException {
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// RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + "");
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// int[] drawableBandsR = bandList.getBufferBandToDraw(getURIOfFirstProvider(), 0);
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// int[] drawableBandsG = bandList.getBufferBandToDraw(getURIOfFirstProvider(), 1);
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// int[] drawableBandsB = bandList.getBufferBandToDraw(getURIOfFirstProvider(), 2);
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// int element = 0;
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// int rowSrc = 0;
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//
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// for (int row = stepBuffer[1]; row < stepBuffer[3]; row++) {
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// int colSrc = 0;
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// for (int col = stepBuffer[0]; col < stepBuffer[2]; col++) {
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// element = pRGBArray[(rowSrc * bufWidth) + colSrc];
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// if(drawableBandsR != null) {
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// for (int i = 0; i < drawableBandsR.length; i++) {
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// if(drawableBandsR[i] >= 0 && drawableBandsR[i] < rasterBuf.getBandCount())
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// rasterBuf.setElem(row, col, drawableBandsR[i], (byte) ((element & 0x00ff0000) >> 16));
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// }
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// }
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// if(drawableBandsG != null) {
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// for (int i = 0; i < drawableBandsG.length; i++) {
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// if(drawableBandsG[i] >= 0 && drawableBandsG[i] < rasterBuf.getBandCount())
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// rasterBuf.setElem(row, col, drawableBandsG[i], (byte) ((element & 0x0000ff00) >> 8));
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// }
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// }
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// if(drawableBandsB != null) {
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// for (int i = 0; i < drawableBandsB.length; i++) {
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// if(drawableBandsB[i] >= 0 && drawableBandsB[i] < rasterBuf.getBandCount())
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// rasterBuf.setElem(row, col, drawableBandsB[i], (byte) (element & 0x000000ff));
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// }
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// }
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// colSrc ++;
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// }
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// if (task.getEvent() != null)
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// task.manageEvent(task.getEvent());
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// rowSrc ++;
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// }
|
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// }
|
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|
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private void loadBuffer(int h, int w, BandList bandList, Buffer rasterBuf, int[] pRGBArray) throws ProcessInterruptedException { |
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RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
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int[] drawableBandsR = bandList.getBufferBandToDraw(getURIOfFirstProvider(), 0); |
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int[] drawableBandsG = bandList.getBufferBandToDraw(getURIOfFirstProvider(), 1); |
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int[] drawableBandsB = bandList.getBufferBandToDraw(getURIOfFirstProvider(), 2); |
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int element = 0; |
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|
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for (int row = 0; row < h; row++) { |
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for (int col = 0; col < w; col++) { |
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element = pRGBArray[(row * w) + col]; |
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if(drawableBandsR != null) { |
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for (int i = 0; i < drawableBandsR.length; i++) { |
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if(drawableBandsR[i] >= 0 && drawableBandsR[i] < rasterBuf.getBandCount()) |
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rasterBuf.setElem(row, col, drawableBandsR[i], (byte) ((element & 0x00ff0000) >> 16)); |
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} |
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} |
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if(drawableBandsG != null) { |
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for (int i = 0; i < drawableBandsG.length; i++) { |
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if(drawableBandsG[i] >= 0 && drawableBandsG[i] < rasterBuf.getBandCount()) |
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rasterBuf.setElem(row, col, drawableBandsG[i], (byte) ((element & 0x0000ff00) >> 8)); |
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} |
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} |
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if(drawableBandsB != null) { |
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for (int i = 0; i < drawableBandsB.length; i++) { |
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if(drawableBandsB[i] >= 0 && drawableBandsB[i] < rasterBuf.getBandCount()) |
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rasterBuf.setElem(row, col, drawableBandsB[i], (byte) (element & 0x000000ff)); |
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} |
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} |
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} |
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if (task.getEvent() != null) |
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task.manageEvent(task.getEvent()); |
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} |
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} |
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|
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public Object readBlock(int pos, int blockHeight, double scale) throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException { |
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RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
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|
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if (pos < 0) |
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throw new InvalidSetViewException("Request out of grid"); |
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|
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if ((pos + blockHeight) > file.height)
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blockHeight = Math.abs(file.height - pos);
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|
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Point2D begin = rasterToWorld(new Point2D.Double(0, pos)); |
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Point2D end = rasterToWorld(new Point2D.Double(file.width, pos + blockHeight)); |
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|
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int w = file.width;
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file.setView(begin.getX(), begin.getY(), end.getX(), end.getY(), w, blockHeight); |
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int[] pRGBArray = new int[file.width * blockHeight]; |
| 407 |
try {
|
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file.readScene(pRGBArray, task); |
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byte[][][] buf = new byte[3][blockHeight][w]; |
| 410 |
for (int row = 0; row < blockHeight; row++) { |
| 411 |
for (int col = 0; col < w; col++) { |
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buf[0][row][col] = (byte) ((pRGBArray[(row * w) + col] & 0x00ff0000) >> 16); |
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buf[1][row][col] = (byte) ((pRGBArray[(row * w) + col] & 0x0000ff00) >> 8); |
| 414 |
buf[2][row][col] = (byte) (pRGBArray[(row * w) + col] & 0x000000ff); |
| 415 |
} |
| 416 |
if (task.getEvent() != null) |
| 417 |
task.manageEvent(task.getEvent()); |
| 418 |
} |
| 419 |
return buf;
|
| 420 |
} catch (MrSIDException e) {
|
| 421 |
throw new RasterDriverException("Error reading data"); |
| 422 |
} |
| 423 |
} |
| 424 |
|
| 425 |
/**
|
| 426 |
* Read a line from the file
|
| 427 |
* @param line
|
| 428 |
* @param band
|
| 429 |
* @return
|
| 430 |
* @throws InvalidSetViewException
|
| 431 |
* @throws FileNotOpenException
|
| 432 |
* @throws RasterDriverException
|
| 433 |
* @Deprecated This operation is deprecated because is not useful and in the future
|
| 434 |
* it will not be maintained. The abstract operation has dissapear
|
| 435 |
*/
|
| 436 |
public Object readCompleteLine(int line, int band) |
| 437 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
| 438 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
| 439 |
|
| 440 |
if (line > this.getHeight() || band > this.getBandCount()) |
| 441 |
throw new InvalidSetViewException("Request out of grid"); |
| 442 |
|
| 443 |
try {
|
| 444 |
Extent extent = getExtent(); |
| 445 |
Point2D pt = rasterToWorld(new Point2D.Double(extent.minX(), line)); |
| 446 |
file.setView(extent.minX(), pt.getY(), extent.maxX(), pt.getY(), (int)getWidth(), 1); |
| 447 |
int[] pRGBArray = new int[(int)getWidth()]; |
| 448 |
file.readScene(pRGBArray, task); |
| 449 |
return pRGBArray;
|
| 450 |
} catch (MrSIDException e) {
|
| 451 |
throw new RasterDriverException("Error reading data from MrSID library"); |
| 452 |
} catch (ProcessInterruptedException e) {
|
| 453 |
// El proceso que debe ser interrumpido es el que llama a readLine.
|
| 454 |
} |
| 455 |
return null; |
| 456 |
} |
| 457 |
|
| 458 |
public DataStoreTransparency getTransparency() {
|
| 459 |
if (fileTransparency == null) |
| 460 |
fileTransparency = new DataStoreTransparency(getColorInterpretation());
|
| 461 |
return fileTransparency;
|
| 462 |
} |
| 463 |
|
| 464 |
public DataStoreColorInterpretation getColorInterpretation() {
|
| 465 |
if(colorInterpr == null) { |
| 466 |
colorInterpr = new DataStoreColorInterpretation();
|
| 467 |
colorInterpr.initColorInterpretation(getBandCount()); |
| 468 |
if(getBandCount() == 1) |
| 469 |
colorInterpr = DataStoreColorInterpretation.createGrayInterpretation(); |
| 470 |
if(getBandCount() == 3) { |
| 471 |
colorInterpr = DataStoreColorInterpretation.createRGBInterpretation(); |
| 472 |
} |
| 473 |
if(getBandCount() >= 4) { |
| 474 |
colorInterpr = DataStoreColorInterpretation.createARGBInterpretation(); |
| 475 |
} |
| 476 |
} |
| 477 |
return colorInterpr;
|
| 478 |
} |
| 479 |
|
| 480 |
public String getWktProjection() { |
| 481 |
// System.err.println("======>" + file);
|
| 482 |
return null; |
| 483 |
} |
| 484 |
|
| 485 |
public void setAffineTransform(AffineTransform t) { |
| 486 |
super.setAffineTransform(t);
|
| 487 |
file.setExternalTransform(t); |
| 488 |
} |
| 489 |
|
| 490 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 491 |
if (band >= getBandCount())
|
| 492 |
throw new BandAccessException("Wrong band"); |
| 493 |
try {
|
| 494 |
return file.getNumLevels();
|
| 495 |
} catch (MrSIDException e) {
|
| 496 |
throw new RasterDriverException(""); |
| 497 |
} |
| 498 |
} |
| 499 |
|
| 500 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
| 501 |
if (band >= getBandCount())
|
| 502 |
throw new BandAccessException("Wrong band"); |
| 503 |
return 0; |
| 504 |
} |
| 505 |
|
| 506 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
| 507 |
if (band >= getBandCount())
|
| 508 |
throw new BandAccessException("Wrong band"); |
| 509 |
return 0; |
| 510 |
} |
| 511 |
|
| 512 |
public boolean isOverviewsSupported() { |
| 513 |
// No podemos escribir por lo que no podemos informar de que soporta overviews aunque el formato si lo haga.
|
| 514 |
return false; |
| 515 |
} |
| 516 |
|
| 517 |
public String getName() { |
| 518 |
return NAME;
|
| 519 |
} |
| 520 |
|
| 521 |
public void setStatus(RasterProvider provider) { |
| 522 |
if(provider instanceof LizardTechProvider) { |
| 523 |
//Not implemented yet
|
| 524 |
} |
| 525 |
} |
| 526 |
|
| 527 |
public TileServer getTileServer() {
|
| 528 |
if(tileServer == null) { |
| 529 |
DefaultRasterStore store = new DefaultRasterStore();
|
| 530 |
store.setProvider(this);
|
| 531 |
tileServer = new FileTileServer(store);
|
| 532 |
} |
| 533 |
return tileServer;
|
| 534 |
} |
| 535 |
|
| 536 |
|
| 537 |
} |