svn-gvsig-desktop / tags / gvSIGv0_6_1RELEASE / applications / appgvSIG / src / com / iver / cit / gvsig / RasterizerLayer.java @ 5222
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/*
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* Created on 17-feb-2004
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*
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* To change the template for this generated file go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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*/
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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; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import javax.swing.JProgressBar; |
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import org.cresques.io.Rasterizer; |
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import org.cresques.io.raster.RasterBuf; |
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import org.cresques.io.raster.RasterStats; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.MapControl; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.layers.FLayers; |
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import com.iver.cit.gvsig.fmap.layers.FLyrRaster; |
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import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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/**
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* @author Nacho Brodin <brodin_ign@gva.es>
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*
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* Sirve datos solicitados por los drivers que salvan a raster.
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* Hereda de Rasterizer y reescribe el m?todo readData que es el que
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* ser? llamado desde el driver cada vez que vacie el buffer y
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* necesite m?s datos.
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*/
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public class RasterizerLayer extends Rasterizer{ |
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private ViewPort viewPort = null; |
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private ViewPort viewPortBlock = null; |
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private FLayers flayers = null; |
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private Color backgroundColor = null; |
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private JProgressBar progressBar = null; |
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private double incrProgressBar = 0; |
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private boolean firstRead = true; |
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private int nBlocks = 0; |
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private double percentMax = 100.0D; |
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private double incrTemp = 0; |
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/**
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* Calculo del viewPort
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* @param vp
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*/
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private void calcViewPort(ViewPort vp){ |
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Rectangle2D ext = null; |
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if(viewPortBlock == null){ |
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ext = new Rectangle2D.Double( vp.getExtent().getMinX(), |
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vp.getExtent().getMaxY()-wcIntervalo, |
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vp.getExtent().getWidth(), |
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wcIntervalo |
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); |
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}else{
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ext = new Rectangle2D.Double( vp.getExtent().getMinX(), |
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vp.getExtent().getMinY()-wcIntervalo, |
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vp.getExtent().getWidth(), |
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wcIntervalo |
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); |
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} |
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viewPortBlock = new ViewPort(vp.getProjection());
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viewPortBlock.setExtent(ext); |
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viewPortBlock.setImageSize(dimension); |
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viewPortBlock.setScale(); |
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//System.out.println("--->bloque="+contBlocks+" ImageHeight="+viewPortBlock.getImageHeight()+" ImageWidth="+viewPortBlock.getImageWidth());
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//System.out.println("--->minX="+viewPortBlock.getExtent().getMinX()+" minY="+viewPortBlock.getExtent().getMinY()+" maxX="+viewPortBlock.getExtent().getMaxX()+" maxY="+viewPortBlock.getExtent().getMaxY()+" width="+viewPortBlock.getExtent().getWidth()+" height="+viewPortBlock.getExtent().getHeight());
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} |
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/**
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* Constructor
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* @param flyrs capas
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* @param vp viewport
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* @param sizeBlock altura del bloque que se lee de una vez en la imagen de entrada
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* @param mapCtrl Mapcontrol
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*/
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public RasterizerLayer(FLayers flyrs, ViewPort vp, int sizeBlock, MapControl mapCtrl){ |
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super(sizeBlock);
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//System.out.println("===>VP="+vp.getExtent().getMinX()+" "+vp.getExtent().getMinY()+" "+vp.getExtent().getMaxX()+" "+vp.getExtent().getMaxY());
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backgroundColor = vp.getBackColor(); |
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viewPort = new ViewPort(vp.getProjection());
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viewPort.setImageSize(vp.getImageSize()); |
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viewPort.setExtent(vp.getExtent()); |
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//Calculo del viewPort del primer bloque
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wcAlto = viewPort.getExtent().getMaxY() - viewPort.getExtent().getMinY(); |
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wcIntervalo = (sizeBlock*wcAlto)/viewPort.getImageHeight(); |
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dimension = new Dimension(viewPort.getImageWidth(), sizeBlock); |
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nBlocks = (int)(vp.getImageHeight()/sizeBlock);
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incrProgressBar = percentMax/((double)nBlocks);
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//System.out.println("===>NBLOCKS="+nBlocks+" INCR="+incrProgressBar);
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//Tama?o de ?ltimo bloque en pixeles
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lastBlock = vp.getImageHeight()-(nBlocks*sizeBlock); |
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//System.out.println("1--->SizeBlock="+sizeBlock+" ImageHeight="+viewPort.getImageHeight()+" ImageWidth="+viewPort.getImageWidth());
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//System.out.println("2--->wcAlto="+wcAlto+" wcIntervalo="+wcIntervalo);
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//System.out.println("3--->nBlocks="+nBlocks+" lastBlock="+lastBlock);
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//System.out.println("4--->minX="+viewPort.getExtent().getMinX()+" minY="+viewPort.getExtent().getMinY()+" maxX="+viewPort.getExtent().getMaxX()+" maxY="+viewPort.getExtent().getMaxY()+" width="+viewPort.getExtent().getWidth()+" height="+viewPort.getExtent().getHeight());
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calcViewPort(viewPort); |
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this.flayers = flyrs;
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this.sizeBlock = sizeBlock;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.IDataWriter#readData(int, int, int)
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*/
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public int[] readData(int sX, int sY, int nBand){ |
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if(nBand == 0){ //Con nBand==0 se devuelven las 3 bandas |
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image = new BufferedImage(sX, sY, BufferedImage.TYPE_INT_RGB); |
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g = (Graphics2D) image.getGraphics();
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BufferedImage img = new BufferedImage( viewPortBlock.getImageWidth(), |
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viewPortBlock.getImageHeight(), |
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BufferedImage.TYPE_INT_ARGB
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); |
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g.setColor(backgroundColor); |
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g.fillRect(0, 0, viewPortBlock.getImageWidth(), viewPortBlock.getImageHeight()); |
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try{
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//Si es la primera lectura salvamos los valores de m?ximo y m?nimo para la aplicaci?n
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//de realce si la imagen es de 16 bits.
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if(firstRead){
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for(int i=0;i<flayers.getLayersCount();i++){ |
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if(flayers.getLayer(i) instanceof FLyrRaster){ |
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FLyrRaster raster = (FLyrRaster)flayers.getLayer(i); |
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if( raster.getSource().getDataType() == RasterBuf.TYPE_SHORT ||
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raster.getSource().getDataType() == RasterBuf.TYPE_USHORT){
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RasterStats stats = raster.getSource().getFilterStack().getStats(); |
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stats.history.add(stats.new History(raster.getName(), stats.minBandValue, stats.maxBandValue, stats.secondMinBandValue, stats.secondMaxBandValue)); |
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} |
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} |
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} |
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firstRead = false;
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} |
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flayers.draw(img, g, viewPortBlock,new Cancellable() {
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public boolean isCanceled() { |
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return false; |
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} |
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},flayers.getFMap().getScaleView()); |
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//Si es el ?ltimo bloque vaciamos el historial de m?ximos y m?nimos
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if((contBlocks+1)==nBlocks){ |
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for(int i=0;i<flayers.getLayersCount();i++){ |
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if(flayers.getLayer(i) instanceof FLyrRaster){ |
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FLyrRaster raster = (FLyrRaster)flayers.getLayer(i); |
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if( raster.getSource().getDataType() == RasterBuf.TYPE_SHORT ||
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raster.getSource().getDataType() == RasterBuf.TYPE_USHORT){
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raster.getSource().getFilterStack().getStats().history.clear(); |
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RasterStats stats = raster.getSource().getFilterStack().getStats(); |
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} |
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} |
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} |
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} |
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}catch (DriverException e) {
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e.printStackTrace(); |
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} |
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rasterData = image.getRGB(0, 0, sX, sY, rasterData, 0, sX); |
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//Calculamos el viewPort del sgte bloque
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if(((contBlocks+1)*sizeBlock)<=viewPort.getImageHeight()){ |
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dimension = new Dimension(sX, sY); |
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} |
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else{ //Calculo de la altura del ?ltimo bloque |
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dimension = new Dimension(sX, (int)(viewPort.getImageHeight()-(contBlocks*sizeBlock))); |
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wcIntervalo = (lastBlock*wcAlto)/viewPort.getImageHeight(); |
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} |
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calcViewPort(viewPortBlock); |
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if(progressBar != null){ |
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this.incrTemp = (incrTemp - ((int)incrTemp)) + progressBar.getValue() + incrProgressBar; |
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if(((int)incrTemp) != progressBar.getValue()) |
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progressBar.setValue((int)incrTemp);
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//System.out.println("===>progressBar.getValue()="+incrProgressBar+" "+incrTemp+" "+Math.floor(incrTemp)+" "+progressBar.getValue());
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} |
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contBlocks++; |
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return rasterData;
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} |
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return null; |
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} |
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/**
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* Asigna la barra de progreso
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* @param bar Barra de progreso
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*/
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public void setProgressBar(JProgressBar bar, double percentMax){ |
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this.progressBar = bar;
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if(percentMax != 0){ |
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this.percentMax = percentMax;
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incrProgressBar = percentMax/((double)nBlocks);
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} |
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//progressBar.setValue((int)Math.round(incrProgressBar));
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} |
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} |