root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / saveraster / operations / RasterizerLayer.java @ 11975
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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) 2007 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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package org.gvsig.rastertools.saveraster.operations; |
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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 org.cresques.filter.RasterBuf; |
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import org.gvsig.gui.beans.incrementabletask.IIncrementable; |
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import org.gvsig.raster.dataset.IDataWriter; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.iver.andami.PluginServices; |
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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.utiles.swing.threads.Cancellable; |
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/**
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* Sirve datos solicitados por los drivers que salvan a raster. Hereda de
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* Rasterizer y reescribe el m?todo readData que es el que ser? llamado desde el
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* driver cada vez que vacie el buffer y necesite m?s datos.
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*
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* @version 04/06/2007
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class RasterizerLayer implements IDataWriter, IIncrementable { |
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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 boolean firstRead = true; |
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private int nBlocks = 0; |
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private double percentMax = 100.0D; |
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protected double wcIntervalo = 0; |
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protected Dimension dimension = null; |
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protected int blockSize = 0; |
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protected double wcAlto = 0; |
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protected int lastBlock = 0; |
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protected BufferedImage image = null; |
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protected int[] rasterData = null; |
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protected int contBlocks = 1; |
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protected int percent = 0; |
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protected int imgHeight = 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.refreshExtent(); |
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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 blockSize 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 blockSize) { |
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this.blockSize = blockSize;
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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 = (blockSize * wcAlto) / viewPort.getImageHeight(); |
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dimension = new Dimension(viewPort.getImageWidth(), blockSize); |
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imgHeight = vp.getImageHeight(); |
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nBlocks = (int) (vp.getImageHeight() / blockSize);
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// Tama?o de ?ltimo bloque en pixeles
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lastBlock = vp.getImageHeight() - (nBlocks * blockSize); |
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calcViewPort(viewPort); |
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this.flayers = flyrs;
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} |
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/**
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* Compatibilidad con el piloto de raster
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* @see readData
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*/
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public int[] readARGBData(int sX, int sY, int nBand){ |
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return readData( sX, sY, nBand);
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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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nBlocks = (int) Math.ceil(imgHeight / (double) blockSize); |
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image = new BufferedImage(sX, sY, BufferedImage.TYPE_INT_RGB); |
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Graphics2D g = (Graphics2D) image.getGraphics(); |
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BufferedImage img = new BufferedImage(viewPortBlock.getImageWidth(), viewPortBlock.getImageHeight(), BufferedImage.TYPE_INT_ARGB); |
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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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// TODO: FUNCIONALIDAD: Salvar los m?ximos y m?nimos para salvar 16 bits
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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 || raster.getSource().getDataType() == RasterBuf.TYPE_USHORT) {
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//Statistic 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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Cancellable cancel = new Cancellable() {
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public boolean isCanceled() { |
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return false; |
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} |
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public void setCanceled(boolean canceled) {} |
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}; |
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flayers.setDirty(true);
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flayers.draw(image, g, viewPortBlock, cancel, flayers.getMapContext().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 || raster.getSource().getDataType() == RasterBuf.TYPE_USHORT) {
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raster.getSource().getFilterStack().getStats().history.clear(); |
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//Statistic 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 (ReadDriverException 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) * blockSize) <= viewPort.getImageHeight()) |
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dimension = new Dimension(sX, sY); |
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else { // Calculo de la altura del ?ltimo bloque |
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dimension = new Dimension(sX, (int) (viewPort.getImageHeight() - (contBlocks * blockSize))); |
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wcIntervalo = (lastBlock * wcAlto) / viewPort.getImageHeight(); |
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} |
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calcViewPort(viewPortBlock); |
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percent = (int) ((100 * (contBlocks)) / nBlocks); |
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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 el ancho del bloque
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* @param sizeBlock Ancho del bloque en pixeles
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*/
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public void setBlockSize(int blockSize) { |
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this.blockSize = blockSize;
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} |
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/**
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* No tiene uso en RasterizerLayer
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*/
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public byte[][] readByteData(int sizeX, int sizeY) { |
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return null; |
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} |
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/**
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* No tiene uso en RasterizerLayer
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*/
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public double[][] readDoubleData(int sizeX, int sizeY) { |
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return null; |
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} |
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/**
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* No tiene uso en RasterizerLayer
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*/
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public float[][] readFloatData(int sizeX, int sizeY) { |
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return null; |
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} |
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/**
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* No tiene uso en RasterizerLayer
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*/
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public int[][] readIntData(int sizeX, int sizeY) { |
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return null; |
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} |
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/**
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* No tiene uso en RasterizerLayer
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*/
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public short[][] readShortData(int sizeX, int sizeY) { |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getTitle()
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*/
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public String getTitle() { |
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return PluginServices.getText(this, "salvando_raster"); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLog()
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*/
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public String getLog() { |
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return PluginServices.getText(this, "salvando_bloque") + " " + Math.min(nBlocks, contBlocks) + " " + PluginServices.getText(this, "de") + " " + nBlocks; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLabel()
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*/
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public String getLabel() { |
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return PluginServices.getText(this, "rasterizando") + "..."; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getPercent()
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*/
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public int getPercent() { |
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return percent;
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} |
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} |