root / trunk / libraries / libCq CMS for java.old / src / org / cresques / io / MrSidFile.java @ 3016
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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 java.awt.Image; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import java.io.IOException; |
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import java.util.Vector; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.io.MrSidNative.Contour; |
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import org.cresques.px.Extent; |
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import es.gva.cit.jmrsid.LTIColorSpace; |
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import es.gva.cit.jmrsid.LTIDataType; |
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import es.gva.cit.jmrsid.LTIGeoCoord; |
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import es.gva.cit.jmrsid.LTIImageStage; |
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import es.gva.cit.jmrsid.LTIMetadataDatabase; |
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import es.gva.cit.jmrsid.LTIMetadataRecord; |
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import es.gva.cit.jmrsid.LTIPixel; |
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import es.gva.cit.jmrsid.LTIScene; |
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import es.gva.cit.jmrsid.LTISceneBuffer; |
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import es.gva.cit.jmrsid.LTIUtils; |
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import es.gva.cit.jmrsid.MrSIDException; |
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import es.gva.cit.jmrsid.MrSIDImageReader; |
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/**
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* Soporte para los fichero MrSID de Lizardtech
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* @author Nacho Brodin (brodin_ign@gva.es)
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*/
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class MrSidNative extends MrSIDImageReader { |
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static boolean WITH_OVERVIEWS = true; |
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/**
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* Contorno en coordenadas geogr?ficas. (y Extent del raster).
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*/
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public Contour esq = new Contour(); |
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public int width = 0; |
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public int height = 0; |
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public double originX = 0D; |
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public double originY = 0D; |
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public String version = ""; |
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public LTIMetadataDatabase metadata;
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public LTIPixel pixel = null; |
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private int alpha = 0; |
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protected int rBandNr = 1; |
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protected int gBandNr = 2; |
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protected int bBandNr = 3; |
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protected byte[] bandR; |
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protected byte[] bandG; |
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protected byte[] bandB; |
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private int dataType = LTIDataType.LTI_DATATYPE_UINT8; |
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//View
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double currentViewY = -1; |
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int currentFullWidth = -1; |
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int currentFullHeight = -1; |
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int currentViewWidth = -1; |
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int currentViewHeight = -1; |
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double currentViewX = 0D; |
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double viewportScale = 0D; |
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double step = 0D; |
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int currentOverview = -1; |
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private double zoomoverview = 0.0; |
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int eColorSpace;
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int eSampleType;
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public int nbands; |
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int noverviews;
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public int xini; |
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public int yini; |
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public int anchoOver; |
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public int altoOver; |
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public int blocksize = 1; |
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/**
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* Constructor
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* @param fName
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* @throws MrSIDException
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* @throws IOException
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*/
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public MrSidNative(String fName) throws MrSIDException, IOException { |
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super(fName);
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init(fName); |
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} |
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/**
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* Inicializa las variables de instancia con los valores de la imagen
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* @param fName
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* @throws MrSIDException
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* @throws IOException
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*/
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private void init(String fName) throws MrSIDException, IOException { |
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this.initialize();
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String ext = fName.toLowerCase().substring(fName.lastIndexOf('.') + 1); |
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width = this.getWidth();
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height = this.getHeight();
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eSampleType = this.getDataType();
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nbands = this.getNumBands();
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eColorSpace = this.getColorSpace();
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noverviews = this.getNumLevels();
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metadata = this.getMetadata();
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double ox = 0D; |
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double oy = 0D; |
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double resx = 0D; |
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double resy = 0D; |
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LTIGeoCoord geoc = this.getGeoCoord();
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ox = geoc.getX(); |
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oy = geoc.getY(); |
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resx = geoc.getXRes(); |
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resy = geoc.getYRes(); |
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System.out.println("Origin = (" + ox + "," + oy + ")"); |
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System.out.println("Pixel Size = (" + resx + "," + resy + ")"); |
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esq.add(new Point2D.Double(ox, oy)); |
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esq.add(new Point2D.Double(ox + (resx * width), oy)); |
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esq.add(new Point2D.Double(ox, oy + (resy * height))); |
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esq.add(new Point2D.Double(ox + (resx * width), oy + (resy * height))); |
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blocksize = this.getStripHeight();
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System.out.println("StripHeight = (" + blocksize + ")"); |
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} |
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/**
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* Asigna el valor de Alpha
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* @param a alpha
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*/
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public void setAlpha(int a) { |
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alpha = a; |
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} |
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/**
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* Asigna el tipo de datos
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* @param dt tipo de datos
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*/
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public void setDataType(int dt) { |
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dataType = dt; |
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} |
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/**
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* Obtiene un punto 2D con las coordenadas del raster a partir de uno en coordenadas
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* del punto real.
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* @param pt punto en coordenadas del punto real
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* @return punto en coordenadas del raster
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*/
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public Point2D worldToRaster(Point2D pt) { |
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double x = (((double) currentFullWidth) / (esq.maxX - esq.minX)) * (pt.getX() - |
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esq.minX); |
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double y = (((double) currentFullHeight) / (esq.maxY - esq.minY)) * (esq.maxY - |
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pt.getY()); |
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Point2D ptRes = new Point2D.Double(x, y); |
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return ptRes;
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} |
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/**
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* Calcula el overview a usar de la imagen y el viewport a partir del ancho, alto y
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* coordenadas del mundo real
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* @param dWorldTLX Coordenada X superior izquierda
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* @param dWorldTLY Coordenada Y superior izquierda
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* @param dWorldBRX Coordenada X inferior derecha
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* @param dWorldBRY Coordenada Y inferior derecha
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* @param nWidth ancho
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* @param nHeight alto
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*/
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public void setView(double dWorldTLX, double dWorldTLY, double dWorldBRX, |
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double dWorldBRY, int nWidth, int nHeight) { |
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//Ancho y alto de la im?gen en pixeles (pixeles de la overview)
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currentFullWidth = width; |
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currentFullHeight = height; |
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//Ventana de la imagen. (en tama?o completo)
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//tl->esq sup izda en pixeles
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//br->esq inf der en pixeles
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Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
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//Ancho y alto de la im?gen (pixeles en pantalla)
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currentViewWidth = nWidth; |
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currentViewHeight = nHeight; |
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currentViewX = tl.getX(); |
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currentViewY = tl.getY(); |
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viewportScale = (double) currentViewWidth / (br.getX() - tl.getX());
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currentViewY = tl.getY(); |
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try {
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// calcula el overview a usar
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int[] dims = null; |
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double zoom = 1.0; |
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zoomoverview = 1.0;
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currentOverview = -1;
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if (WITH_OVERVIEWS && ((noverviews - 1) > 0)) { |
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for (int i = (noverviews - 1); i > 0; i--) { |
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zoom = LTIUtils.levelToMag(i); |
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dims = this.getDimsAtMag(zoom);
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if (dims[0] > (this.getWidth() * viewportScale)) { |
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currentOverview = i; |
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zoomoverview = zoom; |
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viewportScale /= zoomoverview; |
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currentFullWidth = dims[0];
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currentFullHeight = dims[1];
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tl = worldToRaster(new Point2D.Double(dWorldTLX, |
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dWorldTLY)); |
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currentViewX = tl.getX(); |
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currentViewY = tl.getY(); |
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break;
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} |
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} |
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} |
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setDataType(eSampleType); |
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} catch (MrSIDException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Muestra alguna informaci?n para la depuraci?n
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*/
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void pintaInfo() {
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try {
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System.out.println("GeoTransform:"); |
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LTIGeoCoord geoc = this.getGeoCoord();
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System.out.println(" param[0]=" + geoc.getX()); |
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System.out.println(" param[0]=" + geoc.getY()); |
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System.out.println(" param[0]=" + geoc.getXRes()); |
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System.out.println(" param[0]=" + geoc.getYRes()); |
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System.out.println(" param[0]=" + geoc.getXRot()); |
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System.out.println(" param[0]=" + geoc.getYRot()); |
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System.out.println("Metadata:"); |
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LTIMetadataDatabase metadata = this.getMetadata();
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for (int i = 0; i < metadata.getIndexCount(); i++) { |
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LTIMetadataRecord rec = null;
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rec = metadata.getDataByIndex(i); |
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System.out.println(rec.getTagName());
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if (rec.isScalar()) {
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System.out.println(rec.getScalarData());
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} else if (rec.isVector()) { |
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String[] s = rec.getVectorData(); |
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for (int j = 0; j < s.length; j++) |
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System.out.println("V" + j + "->" + s[j]); |
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} else if (rec.isArray()) { |
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String[] s = rec.getArrayData(); |
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for (int j = 0; j < s.length; j++) |
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System.out.println("A" + j + "->" + s[j]); |
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} else {
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System.out.println(""); |
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} |
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} |
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} catch (MrSIDException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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void pintaPaleta() {
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} |
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/**
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* Lee la escena de la imagen correspondiente a la vista seleccionada con
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* currentView a trav?s de la libreria de MrSid. Esta escena es cargada sobre
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* un buffer y asignada al par?metro de salida.
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* @param line Escena leida
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* @throws MrSIDException Lanzada si ocurre un error en la lectura de la escena
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*/
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public void readScene(int[] line) throws MrSIDException { |
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//int a = 0;
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int x = (int) currentViewX; |
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int y = (int) currentViewY; |
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int SceneWidth;
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int SceneHeight;
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try {
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if ((x == 0) && (y == 0)) { |
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SceneWidth = currentFullWidth; |
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SceneHeight = currentFullHeight; |
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} else {
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SceneWidth = (int) (((double) currentViewWidth) / viewportScale); |
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SceneHeight = (int) (((double) currentViewHeight) / viewportScale); |
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} |
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if (SceneWidth == 0) { |
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SceneWidth = 1;
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} |
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if (SceneHeight == 0) { |
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SceneHeight = 1;
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} |
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if (pixel == null) { |
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pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
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} |
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LTIScene scene = new LTIScene(x, y, SceneWidth, SceneHeight,
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zoomoverview); |
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// Este deber?a ser el constructor con ventana
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LTISceneBuffer buffer = new LTISceneBuffer(pixel, SceneWidth,
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SceneHeight, true);
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((LTIImageStage) this).read(scene, buffer);
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if ((dataType == LTIDataType.LTI_DATATYPE_UINT8) ||
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(dataType == LTIDataType.LTI_DATATYPE_SINT8) || |
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(dataType == LTIDataType.LTI_DATATYPE_SINT16) || |
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(dataType == LTIDataType.LTI_DATATYPE_SINT32) || |
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(dataType == LTIDataType.LTI_DATATYPE_UINT16) || |
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(dataType == LTIDataType.LTI_DATATYPE_UINT32)) {
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int kd;
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int k;
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double scale = 1 / viewportScale; |
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int alpha = (this.alpha & 0xff) << 24; |
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if (rBandNr == 1) { |
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bandR = buffer.buf1; |
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} else if (rBandNr == 2) { |
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bandR = buffer.buf2; |
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} else if (rBandNr == 3) { |
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bandR = buffer.buf3; |
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} |
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if (gBandNr == 1) { |
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bandG = buffer.buf1; |
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} else if (gBandNr == 2) { |
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bandG = buffer.buf2; |
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} else if (gBandNr == 3) { |
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bandG = buffer.buf3; |
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} |
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if (bBandNr == 1) { |
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bandB = buffer.buf1; |
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} else if (bBandNr == 2) { |
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bandB = buffer.buf2; |
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} else if (bBandNr == 3) { |
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bandB = buffer.buf3; |
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} |
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for (int y1 = 0; y1 < currentViewHeight; y1++) |
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for (int x1 = 0; x1 < currentViewWidth; x1++) { |
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kd = (y1 * currentViewWidth) + x1; |
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k = (((int) (y1 * scale)) * SceneWidth) +
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(int) (((double) x1) * scale); |
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|
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try {
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line[kd] = alpha + ((0xff & bandR[k]) << 16) + |
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((0xff & bandG[k]) << 8) + |
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(0xff & bandB[k]);
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} catch (java.lang.ArrayIndexOutOfBoundsException e) {
|
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} |
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} |
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} |
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/*if (eColorSpace == LTIColorSpace.LTI_COLORSPACE_GRAYSCALE) */
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buffer = null;
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} catch (MrSIDException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Lee una ventana de la imagen y devuelve un buffer de bytes
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* @param ulX Coordenada X de la esquina superior izquierda
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* @param ulY Coordenada Y de la esquina superior izquierda
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* @param sizeX Tama?o X de la imagen
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* @param sizeY Tama?o Y de la image
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* @param band N?mero de bandas
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* @return buffer con la ventana leida
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* @throws MrSIDException
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*/
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public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band) |
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throws MrSIDException {
|
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if (pixel == null) { |
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pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
|
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} |
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|
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LTIScene scene = new LTIScene(ulX, ulY, sizeX, sizeY, 1.0); |
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LTISceneBuffer buffer = new LTISceneBuffer(pixel, sizeX, sizeY, true); |
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((LTIImageStage) this).read(scene, buffer);
|
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|
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if (band == 1) { |
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return buffer.buf1;
|
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} else if (band == 2) { |
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return buffer.buf2;
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} else if (band == 3) { |
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return buffer.buf3;
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} |
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return null; |
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} |
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|
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// Polilinea con extent
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class Contour extends Vector { |
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final private static long serialVersionUID = -3370601314380922368L; |
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public double minX = Double.MAX_VALUE; |
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public double minY = Double.MAX_VALUE; |
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public double maxX = -Double.MAX_VALUE; |
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public double maxY = -Double.MAX_VALUE; |
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public Contour() {
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super();
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} |
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|
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public void add(Point2D pt) { |
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super.add(pt);
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|
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if (pt.getX() > maxX) {
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maxX = pt.getX(); |
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} |
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|
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if (pt.getX() < minX) {
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minX = pt.getX(); |
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} |
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|
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if (pt.getY() > maxY) {
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maxY = pt.getY(); |
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} |
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|
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if (pt.getY() < minY) {
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minY = pt.getY(); |
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} |
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} |
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} |
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} |
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|
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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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* 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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public class MrSidFile extends GeoRasterFile { |
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public final static int BAND_HEIGHT = 64; |
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|
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static {
|
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GeoRasterFile.registerExtension("sid", MrSidFile.class);
|
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} |
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|
| 481 |
protected MrSidNative file = null; |
| 482 |
private Extent v = null; |
| 483 |
|
| 484 |
/**
|
| 485 |
* Contructor. Abre el fichero mrsid
|
| 486 |
* @param proj Proyecci?n
|
| 487 |
* @param fName Nombre del fichero mrsid
|
| 488 |
*/
|
| 489 |
public MrSidFile(IProjection proj, String fName) { |
| 490 |
super(proj, fName);
|
| 491 |
extent = new Extent();
|
| 492 |
|
| 493 |
try {
|
| 494 |
file = new MrSidNative(fName);
|
| 495 |
showOnOpen(); |
| 496 |
load(); |
| 497 |
bandCount = file.nbands; |
| 498 |
|
| 499 |
if (bandCount > 2) { |
| 500 |
setBand(RED_BAND, 0);
|
| 501 |
setBand(GREEN_BAND, 1);
|
| 502 |
setBand(BLUE_BAND, 2);
|
| 503 |
} else {
|
| 504 |
setBand(RED_BAND | GREEN_BAND | BLUE_BAND, 0);
|
| 505 |
} |
| 506 |
} catch (Exception e) { |
| 507 |
System.out.println("Error en constructor de MrSID"); |
| 508 |
e.printStackTrace(); |
| 509 |
file = null;
|
| 510 |
} |
| 511 |
} |
| 512 |
|
| 513 |
/**
|
| 514 |
* Obtenemos o calculamos el extent de la imagen.
|
| 515 |
*/
|
| 516 |
public GeoFile load() {
|
| 517 |
|
| 518 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
| 519 |
|
| 520 |
/*if((this.assignedExtent == GeoRasterFile.IMAGE_EXTENT || this.assignedExtent == GeoRasterFile.ORDER )
|
| 521 |
&& file !=null && file.esq != null){
|
| 522 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
| 523 |
return this;
|
| 524 |
}
|
| 525 |
|
| 526 |
if((this.assignedExtent == GeoRasterFile.ASSIGNED_EXTENT || this.assignedExtent == GeoRasterFile.ORDER )
|
| 527 |
&& this.getTempExtent() != null){
|
| 528 |
|
| 529 |
extent = this.getTempExtent();
|
| 530 |
file.esq = file.new Contour();
|
| 531 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY()));
|
| 532 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY()));
|
| 533 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY()+(extent.maxY() - extent.minY())));
|
| 534 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY()+(extent.maxY() - extent.minY())));
|
| 535 |
}*/
|
| 536 |
|
| 537 |
return this; |
| 538 |
} |
| 539 |
|
| 540 |
/**
|
| 541 |
* Libera el objeto que ha abierto el fichero
|
| 542 |
*/
|
| 543 |
public void close() { |
| 544 |
file = null;
|
| 545 |
} |
| 546 |
|
| 547 |
/**
|
| 548 |
* Asigna una banda R, G o B
|
| 549 |
*/
|
| 550 |
public void setBand(int flag, int bandNr) { |
| 551 |
super.setBand(flag, bandNr);
|
| 552 |
|
| 553 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) {
|
| 554 |
file.rBandNr = bandNr + 1;
|
| 555 |
} |
| 556 |
|
| 557 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) {
|
| 558 |
file.gBandNr = bandNr + 1;
|
| 559 |
} |
| 560 |
|
| 561 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) {
|
| 562 |
file.bBandNr = bandNr + 1;
|
| 563 |
} |
| 564 |
} |
| 565 |
|
| 566 |
/**
|
| 567 |
* Asigna el extent de la vista
|
| 568 |
*/
|
| 569 |
public void setView(Extent e) { |
| 570 |
v = new Extent(e);
|
| 571 |
} |
| 572 |
|
| 573 |
/**
|
| 574 |
* Obtiene el Extent de la vista
|
| 575 |
*/
|
| 576 |
public Extent getView() {
|
| 577 |
return v;
|
| 578 |
} |
| 579 |
|
| 580 |
/**
|
| 581 |
* Obtiene el ancho de la imagen
|
| 582 |
*/
|
| 583 |
public int getWidth() { |
| 584 |
return file.width;
|
| 585 |
} |
| 586 |
|
| 587 |
/**
|
| 588 |
* Obtiene el alto de la imagen
|
| 589 |
*/
|
| 590 |
public int getHeight() { |
| 591 |
return file.height;
|
| 592 |
} |
| 593 |
|
| 594 |
public void reProject(ICoordTrans rp) { |
| 595 |
// TODO Auto-generated method stub
|
| 596 |
} |
| 597 |
|
| 598 |
/**
|
| 599 |
* Actualiza la imagen. Se encarga de llamar a la funci?n que calcula la vista
|
| 600 |
* y luego a la que lee la escena sobre un buffer. Vuelca la informaci?n obtenida
|
| 601 |
* sobre el Image que la visualiza.
|
| 602 |
*/
|
| 603 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
| 604 |
double dFileAspect;
|
| 605 |
double dWindowAspect;
|
| 606 |
int line;
|
| 607 |
int[] pRGBArray = null; |
| 608 |
Image image = null; |
| 609 |
|
| 610 |
// Work out the correct aspect for the setView call.
|
| 611 |
dFileAspect = (double) v.width() / (double) v.height(); |
| 612 |
dWindowAspect = (double) width / (double) height; |
| 613 |
|
| 614 |
if (dFileAspect > dWindowAspect) {
|
| 615 |
height = (int) ((double) width / dFileAspect); |
| 616 |
} else {
|
| 617 |
width = (int) ((double) height * dFileAspect); |
| 618 |
} |
| 619 |
|
| 620 |
// Set the view
|
| 621 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height); |
| 622 |
|
| 623 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 624 |
if (width <= 0) { |
| 625 |
width = 1;
|
| 626 |
} |
| 627 |
|
| 628 |
if (height <= 0) { |
| 629 |
height = 1;
|
| 630 |
} |
| 631 |
|
| 632 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 633 |
pRGBArray = new int[width * height]; |
| 634 |
|
| 635 |
try {
|
| 636 |
file.setAlpha(getAlpha()); |
| 637 |
|
| 638 |
setBand(RED_BAND, rBandNr); |
| 639 |
setBand(GREEN_BAND, gBandNr); |
| 640 |
setBand(BLUE_BAND, bBandNr); |
| 641 |
|
| 642 |
|
| 643 |
file.readScene(pRGBArray); |
| 644 |
((BufferedImage) image).setRGB(0, 0, width, height, pRGBArray, 0, |
| 645 |
width); |
| 646 |
} catch (Exception e) { |
| 647 |
e.printStackTrace(); |
| 648 |
} |
| 649 |
|
| 650 |
return image;
|
| 651 |
} |
| 652 |
|
| 653 |
/**
|
| 654 |
* Muestra informaci?n del fichero abierto.
|
| 655 |
*
|
| 656 |
*/
|
| 657 |
private void showOnOpen() { |
| 658 |
// Report en la apertura (quitar)
|
| 659 |
System.out.println("Fichero MrSID '" + getName() + "' abierto."); |
| 660 |
System.out.println("Version = " + file.version); |
| 661 |
System.out.println(" Size = (" + file.width + "," + file.height + |
| 662 |
")");
|
| 663 |
System.out.println(" NumBands = (" + file.nbands + ")"); |
| 664 |
|
| 665 |
file.pintaInfo(); |
| 666 |
file.pintaPaleta(); |
| 667 |
} |
| 668 |
|
| 669 |
/**
|
| 670 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
| 671 |
* vector de enteros.
|
| 672 |
* @param image imagen con los datos actuales
|
| 673 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 674 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 675 |
* @param w Ancho de la imagen
|
| 676 |
* @param h Alto de la imagen
|
| 677 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 678 |
* @param offset desplazamiento
|
| 679 |
* @param scansize tama?o de imagen recorrida por cada p
|
| 680 |
*/
|
| 681 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
| 682 |
int w, int h, int[] rgbArray, int offset, |
| 683 |
int scansize) {
|
| 684 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
| 685 |
} |
| 686 |
|
| 687 |
/**
|
| 688 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 689 |
* con los datos de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 690 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 691 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 692 |
* @param image imagen con los datos actuales
|
| 693 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 694 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 695 |
* @param w Ancho de la imagen
|
| 696 |
* @param h Alto de la imagen
|
| 697 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 698 |
* @param offset desplazamiento
|
| 699 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 700 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 701 |
*/
|
| 702 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
| 703 |
int w, int h, int[] rgbArray, int offset, |
| 704 |
int scansize, int flags) { |
| 705 |
int[] line = new int[rgbArray.length]; |
| 706 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 707 |
|
| 708 |
if (flags == GeoRasterFile.RED_BAND) {
|
| 709 |
for (int i = 0; i < line.length; i++) |
| 710 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 711 |
} else if (flags == GeoRasterFile.GREEN_BAND) { |
| 712 |
for (int i = 0; i < line.length; i++) |
| 713 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 714 |
} else if (flags == GeoRasterFile.BLUE_BAND) { |
| 715 |
for (int i = 0; i < line.length; i++) |
| 716 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 717 |
} |
| 718 |
|
| 719 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 720 |
} |
| 721 |
|
| 722 |
/**
|
| 723 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 724 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 725 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 726 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 727 |
* @param image imagen con los datos actuales
|
| 728 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 729 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 730 |
* @param w Ancho de la imagen
|
| 731 |
* @param h Alto de la imagen
|
| 732 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 733 |
* @param offset desplazamiento
|
| 734 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 735 |
* @param origBand Banda origen del GeoRasterFile
|
| 736 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 737 |
*/
|
| 738 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
| 739 |
int w, int h, int[] rgbArray, int offset, |
| 740 |
int scansize, int origBand, int destBandFlag) { |
| 741 |
int[] line = new int[rgbArray.length]; |
| 742 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 743 |
|
| 744 |
if ((origBand == 0) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
| 745 |
for (int i = 0; i < line.length; i++) |
| 746 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 747 |
} else if ((origBand == 1) && |
| 748 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) {
|
| 749 |
for (int i = 0; i < line.length; i++) |
| 750 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 751 |
} else if ((origBand == 2) && |
| 752 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) {
|
| 753 |
for (int i = 0; i < line.length; i++) |
| 754 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 755 |
} else if ((origBand == 0) && |
| 756 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) {
|
| 757 |
for (int i = 0; i < line.length; i++) |
| 758 |
line[i] = (line[i] & 0xffff00ff) |
|
| 759 |
((rgbArray[i] & 0x00ff0000) >> 8); |
| 760 |
} else if ((origBand == 0) && |
| 761 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) {
|
| 762 |
for (int i = 0; i < line.length; i++) |
| 763 |
line[i] = (line[i] & 0xffffff00) |
|
| 764 |
((rgbArray[i] & 0x00ff0000) >> 16); |
| 765 |
} else if ((origBand == 1) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
| 766 |
for (int i = 0; i < line.length; i++) |
| 767 |
line[i] = (line[i] & 0xff00ffff) |
|
| 768 |
((rgbArray[i] & 0x0000ff00) << 8); |
| 769 |
} else if ((origBand == 1) && |
| 770 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) {
|
| 771 |
for (int i = 0; i < line.length; i++) |
| 772 |
line[i] = (line[i] & 0xffffff00) |
|
| 773 |
((rgbArray[i] & 0x0000ff00) >> 8); |
| 774 |
} else if ((origBand == 2) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
| 775 |
for (int i = 0; i < line.length; i++) |
| 776 |
line[i] = (line[i] & 0xff00ffff) |
|
| 777 |
((rgbArray[i] & 0x000000ff) << 16); |
| 778 |
} else if ((origBand == 2) && |
| 779 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) {
|
| 780 |
for (int i = 0; i < line.length; i++) |
| 781 |
line[i] = (line[i] & 0xffff00ff) |
|
| 782 |
((rgbArray[i] & 0x000000ff) << 8); |
| 783 |
} |
| 784 |
|
| 785 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 786 |
} |
| 787 |
|
| 788 |
/* (non-Javadoc)
|
| 789 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)
|
| 790 |
*/
|
| 791 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, |
| 792 |
int origBand, int destBandFlag) { |
| 793 |
double dFileAspect;
|
| 794 |
double dWindowAspect;
|
| 795 |
int line;
|
| 796 |
int[] pRGBArray = null; |
| 797 |
Image mrSidImage = null; |
| 798 |
|
| 799 |
// Work out the correct aspect for the setView call.
|
| 800 |
dFileAspect = (double) v.width() / (double) v.height(); |
| 801 |
dWindowAspect = (double) width / (double) height; |
| 802 |
|
| 803 |
if (dFileAspect > dWindowAspect) {
|
| 804 |
height = (int) ((double) width / dFileAspect); |
| 805 |
} else {
|
| 806 |
width = (int) ((double) height * dFileAspect); |
| 807 |
} |
| 808 |
|
| 809 |
// Set the view
|
| 810 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height); |
| 811 |
|
| 812 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 813 |
if (width <= 0) { |
| 814 |
width = 1;
|
| 815 |
} |
| 816 |
|
| 817 |
if (height <= 0) { |
| 818 |
height = 1;
|
| 819 |
} |
| 820 |
|
| 821 |
file.setAlpha(getAlpha()); |
| 822 |
|
| 823 |
setBand(RED_BAND, rBandNr); |
| 824 |
setBand(GREEN_BAND, gBandNr); |
| 825 |
setBand(BLUE_BAND, bBandNr); |
| 826 |
|
| 827 |
pRGBArray = new int[width * height]; |
| 828 |
|
| 829 |
if (img == null) { //Caso en el que se crea una imagen |
| 830 |
mrSidImage = new BufferedImage(width, height, |
| 831 |
BufferedImage.TYPE_INT_ARGB);
|
| 832 |
|
| 833 |
try {
|
| 834 |
file.readScene(pRGBArray); |
| 835 |
setRGBLine((BufferedImage) mrSidImage, 0, 0, width, height, |
| 836 |
pRGBArray, 0, width);
|
| 837 |
} catch (Exception e) { |
| 838 |
e.printStackTrace(); |
| 839 |
} |
| 840 |
|
| 841 |
return mrSidImage;
|
| 842 |
} else { //Caso en el que se actualiza una banda del Image |
| 843 |
|
| 844 |
try {
|
| 845 |
file.readScene(pRGBArray); |
| 846 |
setRGBLine((BufferedImage) img, 0, 0, width, height, pRGBArray, |
| 847 |
0, width, origBand, destBandFlag);
|
| 848 |
} catch (Exception e) { |
| 849 |
e.printStackTrace(); |
| 850 |
} |
| 851 |
|
| 852 |
return img;
|
| 853 |
} |
| 854 |
} |
| 855 |
|
| 856 |
/* (non-Javadoc)
|
| 857 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 858 |
*/
|
| 859 |
public Object getData(int x, int y, int band) { |
| 860 |
// TODO Auto-generated method stub
|
| 861 |
return null; |
| 862 |
} |
| 863 |
|
| 864 |
/**
|
| 865 |
* Devuelve los datos de una ventana solicitada
|
| 866 |
* @param ulX coordenada X superior izda.
|
| 867 |
* @param ulY coordenada Y superior derecha.
|
| 868 |
* @param sizeX tama?o en X de la ventana.
|
| 869 |
* @param sizeY tama?o en Y de la ventana.
|
| 870 |
* @param band Banda solicitada.
|
| 871 |
*/
|
| 872 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band) { |
| 873 |
try {
|
| 874 |
return file.getWindow(ulX, ulY, sizeX, sizeY, band);
|
| 875 |
} catch (MrSIDException e) {
|
| 876 |
e.printStackTrace(); |
| 877 |
} |
| 878 |
|
| 879 |
return null; |
| 880 |
} |
| 881 |
|
| 882 |
/**
|
| 883 |
* Devuelve el tama?o de bloque
|
| 884 |
* @return Tama?o de bloque
|
| 885 |
*/
|
| 886 |
public int getBlockSize() { |
| 887 |
return file.blocksize;
|
| 888 |
} |
| 889 |
} |