svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / saveraster / operations / RasterizerLayer.java @ 29718
History | View | Annotate | Download (9.52 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
|
| 4 |
*
|
| 5 |
* This program is free software; you can redistribute it and/or
|
| 6 |
* modify it under the terms of the GNU General Public License
|
| 7 |
* as published by the Free Software Foundation; either version 2
|
| 8 |
* of the License, or (at your option) any later version.
|
| 9 |
*
|
| 10 |
* This program is distributed in the hope that it will be useful,
|
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
* GNU General Public License for more details.
|
| 14 |
*
|
| 15 |
* You should have received a copy of the GNU General Public License
|
| 16 |
* along with this program; if not, write to the Free Software
|
| 17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*/
|
| 19 |
package org.gvsig.rastertools.saveraster.operations; |
| 20 |
|
| 21 |
import java.awt.Color; |
| 22 |
import java.awt.Dimension; |
| 23 |
import java.awt.Graphics2D; |
| 24 |
import java.awt.geom.Rectangle2D; |
| 25 |
import java.awt.image.BufferedImage; |
| 26 |
|
| 27 |
import org.gvsig.gui.beans.incrementabletask.IIncrementable; |
| 28 |
import org.gvsig.raster.dataset.IDataWriter; |
| 29 |
import org.gvsig.raster.process.RasterTask; |
| 30 |
import org.gvsig.raster.process.RasterTaskQueue; |
| 31 |
|
| 32 |
import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
| 33 |
import com.iver.andami.PluginServices; |
| 34 |
import com.iver.andami.messages.NotificationManager; |
| 35 |
import com.iver.cit.gvsig.fmap.DefaultMapContextDrawer; |
| 36 |
import com.iver.cit.gvsig.fmap.ViewPort; |
| 37 |
import com.iver.cit.gvsig.fmap.layers.FLayers; |
| 38 |
import com.iver.utiles.swing.threads.Cancellable; |
| 39 |
/**
|
| 40 |
* Sirve datos solicitados por los drivers que salvan a raster. Hereda de
|
| 41 |
* Rasterizer y reescribe el m?todo readData que es el que ser? llamado desde el
|
| 42 |
* driver cada vez que vacie el buffer y necesite m?s datos.
|
| 43 |
*
|
| 44 |
* @version 04/06/2007
|
| 45 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 46 |
*/
|
| 47 |
public class RasterizerLayer implements IDataWriter, IIncrementable { |
| 48 |
|
| 49 |
private ViewPort viewPort = null; |
| 50 |
private ViewPort viewPortBlock = null; |
| 51 |
private FLayers flayers = null; |
| 52 |
private Color backgroundColor = null; |
| 53 |
private boolean firstRead = true; |
| 54 |
private int nBlocks = 0; |
| 55 |
// private double percentMax = 100.0D;
|
| 56 |
protected double wcIntervalo = 0; |
| 57 |
protected Dimension dimension = null; |
| 58 |
protected int blockSize = 0; |
| 59 |
protected double wcAlto = 0; |
| 60 |
protected int lastBlock = 0; |
| 61 |
protected BufferedImage image = null; |
| 62 |
protected int[] rasterData = null; |
| 63 |
protected int contBlocks = 1; |
| 64 |
protected int percent = 0; |
| 65 |
protected int imgHeight = 0; |
| 66 |
|
| 67 |
/**
|
| 68 |
* Calculo del viewPort
|
| 69 |
* @param vp
|
| 70 |
*/
|
| 71 |
private void calcViewPort(ViewPort vp) { |
| 72 |
Rectangle2D ext = null; |
| 73 |
|
| 74 |
if (viewPortBlock == null) { |
| 75 |
ext = new Rectangle2D.Double( vp.getExtent().getMinX(), |
| 76 |
vp.getExtent().getMaxY() - wcIntervalo, |
| 77 |
vp.getExtent().getWidth(), |
| 78 |
wcIntervalo |
| 79 |
); |
| 80 |
} else {
|
| 81 |
ext = new Rectangle2D.Double( vp.getExtent().getMinX(), |
| 82 |
vp.getExtent().getMinY() - wcIntervalo, |
| 83 |
vp.getExtent().getWidth(), |
| 84 |
wcIntervalo |
| 85 |
); |
| 86 |
} |
| 87 |
|
| 88 |
viewPortBlock = new ViewPort(vp.getProjection());
|
| 89 |
viewPortBlock.setExtent(ext); |
| 90 |
viewPortBlock.setImageSize(dimension); |
| 91 |
viewPortBlock.refreshExtent(); |
| 92 |
} |
| 93 |
|
| 94 |
/**
|
| 95 |
* Constructor
|
| 96 |
* @param flyrs capas
|
| 97 |
* @param vp viewport
|
| 98 |
* @param blockSize altura del bloque que se lee de una vez en la imagen de entrada
|
| 99 |
* @param mapCtrl Mapcontrol
|
| 100 |
*/
|
| 101 |
public RasterizerLayer(FLayers flyrs, ViewPort vp, int blockSize) { |
| 102 |
this.blockSize = blockSize;
|
| 103 |
backgroundColor = vp.getBackColor(); |
| 104 |
viewPort = new ViewPort(vp.getProjection());
|
| 105 |
viewPort.setImageSize(vp.getImageSize()); |
| 106 |
viewPort.setExtent(vp.getExtent()); |
| 107 |
|
| 108 |
// Calculo del viewPort del primer bloque
|
| 109 |
|
| 110 |
wcAlto = viewPort.getExtent().getMaxY() - viewPort.getExtent().getMinY(); |
| 111 |
wcIntervalo = (blockSize * wcAlto) / viewPort.getImageHeight(); |
| 112 |
dimension = new Dimension(viewPort.getImageWidth(), blockSize); |
| 113 |
|
| 114 |
imgHeight = vp.getImageHeight(); |
| 115 |
nBlocks = (int) (vp.getImageHeight() / blockSize);
|
| 116 |
|
| 117 |
// Tama?o de ?ltimo bloque en pixeles
|
| 118 |
lastBlock = vp.getImageHeight() - (nBlocks * blockSize); |
| 119 |
|
| 120 |
calcViewPort(viewPort); |
| 121 |
|
| 122 |
this.flayers = flyrs;
|
| 123 |
} |
| 124 |
|
| 125 |
/**
|
| 126 |
* Compatibilidad con el piloto de raster
|
| 127 |
* @throws InterruptedException
|
| 128 |
* @see readData
|
| 129 |
*/
|
| 130 |
public int[] readARGBData(int sX, int sY, int nBand) throws InterruptedException, OutOfMemoryError { |
| 131 |
return readData( sX, sY, nBand);
|
| 132 |
} |
| 133 |
|
| 134 |
public int[] readData(int sX, int sY, int nBand) throws InterruptedException, OutOfMemoryError { |
| 135 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString());
|
| 136 |
if (nBand == 0) { // Con nBand==0 se devuelven las 3 bandas |
| 137 |
nBlocks = (int) Math.ceil(imgHeight / (double) blockSize); |
| 138 |
image = new BufferedImage(sX, sY, BufferedImage.TYPE_INT_RGB); |
| 139 |
Graphics2D g = (Graphics2D) image.getGraphics(); |
| 140 |
g.setColor(backgroundColor); |
| 141 |
g.fillRect(0, 0, viewPortBlock.getImageWidth(), viewPortBlock.getImageHeight()); |
| 142 |
|
| 143 |
if(task.getEvent() != null) |
| 144 |
task.manageEvent(task.getEvent()); |
| 145 |
|
| 146 |
try {
|
| 147 |
// TODO: FUNCIONALIDAD: Salvar los m?ximos y m?nimos para salvar 16 bits
|
| 148 |
|
| 149 |
// Si es la primera lectura salvamos los valores de m?ximo y m?nimo para la aplicaci?n
|
| 150 |
// de realce si la imagen es de 16 bits.
|
| 151 |
// if (firstRead) {
|
| 152 |
// for (int i = 0; i < flayers.getLayersCount(); i++) {
|
| 153 |
// if (flayers.getLayer(i) instanceof FLyrRasterSE) {
|
| 154 |
// FLyrRasterSE raster = (FLyrRasterSE) flayers.getLayer(i);
|
| 155 |
// if (raster.getDataType()[0] == IBuffer.TYPE_SHORT || raster.getDataType()[0] == IBuffer.TYPE_USHORT) {
|
| 156 |
// Statistic stats = raster.getSource().getFilterStack().getStats();
|
| 157 |
// stats.history.add(stats.new History(raster.getName(), stats.minBandValue, stats.maxBandValue, stats.secondMinBandValue, stats.secondMaxBandValue));
|
| 158 |
// }
|
| 159 |
// }
|
| 160 |
// }
|
| 161 |
// firstRead = false;
|
| 162 |
// }
|
| 163 |
|
| 164 |
Cancellable cancel = new Cancellable() {
|
| 165 |
public boolean isCanceled() { |
| 166 |
return false; |
| 167 |
} |
| 168 |
|
| 169 |
public void setCanceled(boolean canceled) {} |
| 170 |
}; |
| 171 |
|
| 172 |
DefaultMapContextDrawer mapContextDrawer = new DefaultMapContextDrawer();
|
| 173 |
mapContextDrawer.setMapContext(flayers.getMapContext()); |
| 174 |
mapContextDrawer.setViewPort(viewPortBlock); |
| 175 |
if(task.getEvent() != null) |
| 176 |
task.manageEvent(task.getEvent()); |
| 177 |
mapContextDrawer.draw(flayers, image, g, cancel, flayers.getMapContext().getScaleView()); |
| 178 |
|
| 179 |
// Si es el ?ltimo bloque vaciamos el historial de m?ximos y m?nimos
|
| 180 |
// if ((contBlocks + 1) == nBlocks) {
|
| 181 |
// for (int i = 0; i < flayers.getLayersCount(); i++) {
|
| 182 |
// if (flayers.getLayer(i) instanceof FLyrRasterSE) {
|
| 183 |
// FLyrRasterSE raster = (FLyrRasterSE) flayers.getLayer(i);
|
| 184 |
// if (raster.getDataType()[0] == IBuffer.TYPE_SHORT || raster.getDataType()[0] == IBuffer.TYPE_USHORT) {
|
| 185 |
// raster.getDatasource().getFilterStack().getStats().history.clear();
|
| 186 |
// Statistic stats = raster.getSource().getFilterStack().getStats();
|
| 187 |
// }
|
| 188 |
// }
|
| 189 |
// }
|
| 190 |
// }
|
| 191 |
|
| 192 |
} catch (ReadDriverException e) {
|
| 193 |
NotificationManager.addError("Error en el draw de capa", e);
|
| 194 |
} |
| 195 |
rasterData = image.getRGB(0, 0, sX, sY, rasterData, 0, sX); |
| 196 |
|
| 197 |
// Calculamos el viewPort del sgte bloque
|
| 198 |
|
| 199 |
if (((contBlocks + 1) * blockSize) <= viewPort.getImageHeight()) |
| 200 |
dimension = new Dimension(sX, sY); |
| 201 |
else { // Calculo de la altura del ?ltimo bloque |
| 202 |
dimension = new Dimension(sX, (int) (viewPort.getImageHeight() - (contBlocks * blockSize))); |
| 203 |
wcIntervalo = (lastBlock * wcAlto) / viewPort.getImageHeight(); |
| 204 |
} |
| 205 |
|
| 206 |
if(task.getEvent() != null) |
| 207 |
task.manageEvent(task.getEvent()); |
| 208 |
|
| 209 |
calcViewPort(viewPortBlock); |
| 210 |
|
| 211 |
percent = (int) ((100 * (contBlocks)) / nBlocks); |
| 212 |
contBlocks++; |
| 213 |
|
| 214 |
return rasterData;
|
| 215 |
} |
| 216 |
|
| 217 |
return null; |
| 218 |
} |
| 219 |
|
| 220 |
/**
|
| 221 |
* Asigna el ancho del bloque
|
| 222 |
* @param sizeBlock Ancho del bloque en pixeles
|
| 223 |
*/
|
| 224 |
public void setBlockSize(int blockSize) { |
| 225 |
this.blockSize = blockSize;
|
| 226 |
} |
| 227 |
|
| 228 |
/**
|
| 229 |
* No tiene uso en RasterizerLayer
|
| 230 |
*/
|
| 231 |
public byte[][] readByteData(int sizeX, int sizeY) { |
| 232 |
return null; |
| 233 |
} |
| 234 |
|
| 235 |
/**
|
| 236 |
* No tiene uso en RasterizerLayer
|
| 237 |
*/
|
| 238 |
public double[][] readDoubleData(int sizeX, int sizeY) { |
| 239 |
return null; |
| 240 |
} |
| 241 |
|
| 242 |
/**
|
| 243 |
* No tiene uso en RasterizerLayer
|
| 244 |
*/
|
| 245 |
public float[][] readFloatData(int sizeX, int sizeY) { |
| 246 |
return null; |
| 247 |
} |
| 248 |
|
| 249 |
/**
|
| 250 |
* No tiene uso en RasterizerLayer
|
| 251 |
*/
|
| 252 |
public int[][] readIntData(int sizeX, int sizeY) { |
| 253 |
return null; |
| 254 |
} |
| 255 |
|
| 256 |
/**
|
| 257 |
* No tiene uso en RasterizerLayer
|
| 258 |
*/
|
| 259 |
public short[][] readShortData(int sizeX, int sizeY) { |
| 260 |
return null; |
| 261 |
} |
| 262 |
|
| 263 |
/*
|
| 264 |
* (non-Javadoc)
|
| 265 |
* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getTitle()
|
| 266 |
*/
|
| 267 |
public String getTitle() { |
| 268 |
return PluginServices.getText(this, "salvando_raster"); |
| 269 |
} |
| 270 |
|
| 271 |
/*
|
| 272 |
* (non-Javadoc)
|
| 273 |
* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLog()
|
| 274 |
*/
|
| 275 |
public String getLog() { |
| 276 |
return PluginServices.getText(this, "salvando_bloque") + " " + Math.min(nBlocks, contBlocks) + " " + PluginServices.getText(this, "de") + " " + nBlocks; |
| 277 |
} |
| 278 |
|
| 279 |
/*
|
| 280 |
* (non-Javadoc)
|
| 281 |
* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getLabel()
|
| 282 |
*/
|
| 283 |
public String getLabel() { |
| 284 |
return PluginServices.getText(this, "rasterizando") + "..."; |
| 285 |
} |
| 286 |
|
| 287 |
/*
|
| 288 |
* (non-Javadoc)
|
| 289 |
* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getPercent()
|
| 290 |
*/
|
| 291 |
public int getPercent() { |
| 292 |
return percent;
|
| 293 |
} |
| 294 |
|
| 295 |
/*
|
| 296 |
* (non-Javadoc)
|
| 297 |
* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#isCancelable()
|
| 298 |
*/
|
| 299 |
public boolean isCancelable() { |
| 300 |
return true; |
| 301 |
} |
| 302 |
|
| 303 |
/*
|
| 304 |
* (non-Javadoc)
|
| 305 |
* @see org.gvsig.gui.beans.incrementabletask.IIncrementable#isPausable()
|
| 306 |
*/
|
| 307 |
public boolean isPausable() { |
| 308 |
return false; |
| 309 |
} |
| 310 |
} |