svn-gvsig-desktop / branches / simbologia / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / StatusLayerRaster.java @ 10450
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.layers; |
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import java.util.ArrayList; |
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import org.cresques.filter.RasterFilterStackManager; |
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import org.cresques.io.GeoRasterFile; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Esta clase almacena el estado de un raster en cuanto a las caracteristicas de opacidad, bandas y filtros. Estas caracter?sticas pueden ser salvadas a un xml y recuperadas por la capa a trav?s de las funciones setXMLEntity y getXMLEntity
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* @author Nacho Brodin (brodin_ign@gva.es)
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*/
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public class StatusLayerRaster implements StatusRasterInterface{ |
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public static String defaultClass = "com.iver.cit.gvsig.fmap.layers.StatusLayerRaster"; |
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//Valor de opacidad global de la imagen
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public int transparency = 0; |
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//(Selecci?n de bandas)N?mero de banda asignado al Rojo, verde y azul
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public int bandR = 0; |
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public int bandG = 1; |
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public int bandB = 2; |
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//Ficheros cargados en un PxRaster
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public ArrayList files = new ArrayList(); |
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//Filtros para poder montar una nueva pila
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/**
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* @uml.property name="filters"
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*/
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public ArrayList filters = new ArrayList(); |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#setXMLEntity(com.iver.utiles.XMLEntity)
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*/
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public void setXMLEntity(XMLEntity xml, RasterOperations layer)throws XMLException { |
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//Recuperamos las propiedades de los filtros
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for(int i=0;i<xml.getPropertyCount();i++){ |
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if(xml.getPropertyName(i).startsWith("filter.")) |
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filters.add(xml.getPropertyName(i)+"="+xml.getPropertyValue(i));
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} |
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if (xml.contains("raster.opacityLevel")) { |
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transparency = xml.getIntProperty("raster.opacityLevel");
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} |
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if (xml.contains("raster.bandR")) { |
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bandR = xml.getIntProperty("raster.bandR");
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} |
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if (xml.contains("raster.bandG")) { |
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bandG = xml.getIntProperty("raster.bandG");
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} |
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if (xml.contains("raster.bandB")) { |
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bandB = xml.getIntProperty("raster.bandB");
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} |
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int cont = 0; |
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while(true && cont<50){ |
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if (xml.contains("raster.file"+cont)) { |
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files.add(xml.getStringProperty("raster.file"+cont));
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cont++; |
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}else
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break;
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} |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#getXMLEntity(com.iver.utiles.XMLEntity)
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*/
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public void getXMLEntity(XMLEntity xml, boolean loadClass, RasterOperations layer) throws XMLException { |
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if(loadClass)
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xml.putProperty("raster.class", StatusLayerRaster.defaultClass);
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if(transparency!=255) |
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xml.putProperty("raster.opacityLevel", ""+transparency); |
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xml.putProperty("raster.bandR", ""+bandR); |
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xml.putProperty("raster.bandG", ""+bandG); |
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xml.putProperty("raster.bandB", ""+bandB); |
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if(files!=null && files.size()!=0){ |
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for(int i=0;i<files.size();i++) |
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xml.putProperty("raster.file"+i, ""+((String)files.get(i))); |
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} |
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//Salvamos la pila de filtros.
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//Si la pila es null (esto puede ocurrir cuando se abre un
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//proyecto que tiene WCS y no se abre la vista de este) entonces hay que leer los filtros
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//que van a salvarse a disco directamente de la variable filters que es la que se ha cargado
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//al hacer el setXMLEntity.
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RasterFilterStackManager stackManager = null;
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ArrayList l = null; |
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if(layer.getFilterStack()!=null){ |
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stackManager = new RasterFilterStackManager(layer.getFilterStack());
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l = stackManager.getStringsFromStack(); |
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if(l == null || l.size() == 0) |
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l = filters; |
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}else
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l = filters; |
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for(int i=0;i<l.size();i++) |
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xml.putProperty(getElem((String)l.get(i)), getValue((String)l.get(i))); |
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} |
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/**
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* Obtiene el valor de una cadena de la forma elemento=valor
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* @param cadena
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* @return
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*/
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private String getValue(String cadena){ |
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if(cadena!=null) |
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return cadena.substring(cadena.indexOf("=")+1, cadena.length()); |
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else
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return null; |
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} |
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/**
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* Obtiene el elemento de una cadena de la forma elemento=valor
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* @param cadena
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* @return
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*/
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private String getElem(String cadena){ |
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if(cadena!=null) |
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return cadena.substring(0, cadena.indexOf("=")); |
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else
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return null; |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#getFilters()
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*/
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/**
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* @return
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* @uml.property name="filters"
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*/
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public ArrayList getFilters(){ |
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return this.filters; |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.StatusRasterInterface#applyStatus(com.iver.cit.gvsig.fmap.layers.RasterFileAdapter)
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*/
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public void applyStatus(RasterOperations layer){ |
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//Eliminamos el fichero inicial y cargamos las bandas si hay para que se carguen
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//en el orden correcto
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if(layer instanceof FLyrRaster){ |
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if(files.size()!=0){ |
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((FLyrRaster)layer).delFile((String)files.get(0)); |
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for(int i=0;i<files.size();i++) |
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((FLyrRaster)layer).addFiles((String)files.get(i));
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} |
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} |
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//Asigna las bandas
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if(bandR==-1)bandR=0; |
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if(bandG==-1)bandG=0; |
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if(bandB==-1)bandB=0; |
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layer.setBand(GeoRasterFile.RED_BAND, bandR); |
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layer.setBand(GeoRasterFile.GREEN_BAND, bandG); |
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layer.setBand(GeoRasterFile.BLUE_BAND, bandB); |
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//Asigna la transparencia
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if(transparency != 255) |
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layer.setTransparency(transparency); |
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//Crea la pila de filtros a partir de las propiedades recuperadas desde el XML
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if(layer.getFilterStack() != null){ |
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RasterFilterStackManager stackManager = new RasterFilterStackManager(layer.getFilterStack());
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if(layer instanceof FLyrRaster) |
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stackManager.createStackFromStrings(this.filters, ((FLyrRaster)layer).getSource().getFiles());
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else
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stackManager.createStackFromStrings(this.filters, new Integer(0)); |
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} |
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} |
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} |