gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / grid / render / DefaultRender.java @ 965
History | View | Annotate | Download (33.8 KB)
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
| 4 |
* of the Valencian Government (CIT)
|
| 5 |
*
|
| 6 |
* This program is free software; you can redistribute it and/or
|
| 7 |
* modify it under the terms of the GNU General Public License
|
| 8 |
* as published by the Free Software Foundation; either version 2
|
| 9 |
* of the License, or (at your option) any later version.
|
| 10 |
*
|
| 11 |
* This program is distributed in the hope that it will be useful,
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 14 |
* GNU General Public License for more details.
|
| 15 |
*
|
| 16 |
* You should have received a copy of the GNU General Public License
|
| 17 |
* along with this program; if not, write to the Free Software
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
| 19 |
* MA 02110-1301, USA.
|
| 20 |
*
|
| 21 |
*/
|
| 22 |
package org.gvsig.raster.impl.grid.render; |
| 23 |
|
| 24 |
import java.awt.Graphics2D; |
| 25 |
import java.awt.Image; |
| 26 |
import java.awt.geom.AffineTransform; |
| 27 |
import java.awt.geom.Dimension2D; |
| 28 |
import java.awt.geom.NoninvertibleTransformException; |
| 29 |
import java.awt.geom.Point2D; |
| 30 |
import java.util.ArrayList; |
| 31 |
|
| 32 |
import org.gvsig.fmap.dal.coverage.RasterLocator; |
| 33 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
| 34 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
| 35 |
import org.gvsig.fmap.dal.coverage.datastruct.Params; |
| 36 |
import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData; |
| 37 |
import org.gvsig.fmap.dal.coverage.exception.FilterManagerException; |
| 38 |
import org.gvsig.fmap.dal.coverage.exception.FilterTypeException; |
| 39 |
import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
| 40 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
| 41 |
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
| 42 |
import org.gvsig.fmap.dal.coverage.grid.FilterListChangeEvent; |
| 43 |
import org.gvsig.fmap.dal.coverage.grid.FilterListChangeListener; |
| 44 |
import org.gvsig.fmap.dal.coverage.grid.Grid; |
| 45 |
import org.gvsig.fmap.dal.coverage.grid.RasterFilter; |
| 46 |
import org.gvsig.fmap.dal.coverage.grid.RasterFilterList; |
| 47 |
import org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager; |
| 48 |
import org.gvsig.fmap.dal.coverage.grid.render.Render; |
| 49 |
import org.gvsig.fmap.dal.coverage.grid.render.VisualPropertyEvent; |
| 50 |
import org.gvsig.fmap.dal.coverage.grid.render.VisualPropertyListener; |
| 51 |
import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
| 52 |
import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
| 53 |
import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
| 54 |
import org.gvsig.fmap.dal.coverage.store.props.ColorTable; |
| 55 |
import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
| 56 |
import org.gvsig.fmap.dal.coverage.util.PropertyEvent; |
| 57 |
import org.gvsig.fmap.dal.coverage.util.PropertyListener; |
| 58 |
import org.gvsig.fmap.dal.coverage.util.RasterUtils; |
| 59 |
import org.gvsig.raster.cache.tile.Tile; |
| 60 |
import org.gvsig.raster.cache.tile.exception.TileGettingException; |
| 61 |
import org.gvsig.raster.cache.tile.provider.TileListener; |
| 62 |
import org.gvsig.raster.impl.DefaultRasterManager; |
| 63 |
import org.gvsig.raster.impl.datastruct.DefaultViewPortData; |
| 64 |
import org.gvsig.raster.impl.datastruct.ExtentImpl; |
| 65 |
import org.gvsig.raster.impl.grid.GridImpl; |
| 66 |
import org.gvsig.raster.impl.grid.filter.DefaultRasterFilterList; |
| 67 |
import org.gvsig.raster.impl.grid.filter.band.ColorTableFilter; |
| 68 |
import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
| 69 |
import org.gvsig.tools.ToolsLocator; |
| 70 |
import org.gvsig.tools.dynobject.DynStruct; |
| 71 |
import org.gvsig.tools.persistence.PersistenceManager; |
| 72 |
import org.gvsig.tools.persistence.Persistent; |
| 73 |
import org.gvsig.tools.persistence.PersistentState; |
| 74 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
| 75 |
import org.slf4j.LoggerFactory; |
| 76 |
/**
|
| 77 |
* Esta clase se encarga de la gesti?n del dibujado de datos le?dos desde la capa
|
| 78 |
* "dataaccess" sobre objetos java. Para ello necesita una fuente de datos que tipicamente
|
| 79 |
* es un buffer (RasterBuffer) y un objeto que realice la funci?n de escritura de datos a
|
| 80 |
* partir de un estado inicial.
|
| 81 |
* Esta capa del renderizado gestiona Extents, rotaciones, tama?os de vista pero la escritura
|
| 82 |
* de datos desde el buffer al objeto image es llevada a cabo por ImageDrawer.
|
| 83 |
*
|
| 84 |
* Par?metros de control de la visualizaci?n:
|
| 85 |
* <UL>
|
| 86 |
* <LI>renderBands: Orden de visualizado de las bands.</LI>
|
| 87 |
* <LI>replicateBands: Para visualizaci?n de raster de una banda. Dice si se replica sobre las otras dos bandas
|
| 88 |
* de visualizaci?n o se ponen a 0.</LI>
|
| 89 |
* <LI>enhanced: aplicaci?n de filtro de realce</LI>
|
| 90 |
* <LI>removeEnds: Eliminar extremos en el filtro de realce. Uso del segundo m?ximo y m?nimo</LI>
|
| 91 |
* <LI>tailTrim: Aplicacion de recorte de colas en el realce. Es un valor decimal que representa el porcentaje del recorte entre 100.
|
| 92 |
* Es decir, 0.1 significa que el recorte es de un 10%</LI>
|
| 93 |
* </UL>
|
| 94 |
*
|
| 95 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 96 |
*/
|
| 97 |
public class DefaultRender implements Render, PropertyListener, FilterListChangeListener, Persistent, TileListener { |
| 98 |
|
| 99 |
/**
|
| 100 |
* Grid para la gesti?n del buffer
|
| 101 |
*/
|
| 102 |
private Grid grid = null; |
| 103 |
/**
|
| 104 |
* Fuente de datos para el renderizado
|
| 105 |
*/
|
| 106 |
private RasterDataStore dataStore = null; |
| 107 |
/**
|
| 108 |
* N?mero de bandas a renderizar y en el orden que se har?. Esto es asignado
|
| 109 |
* por el usuario de la renderizaci?n.
|
| 110 |
*/
|
| 111 |
private int[] renderBands = { 0, 1, 2 }; |
| 112 |
|
| 113 |
private ImageDrawer drawer = null; |
| 114 |
/**
|
| 115 |
* Ultima transparencia aplicada en la visualizaci?n que es obtenida desde el
|
| 116 |
* grid
|
| 117 |
*/
|
| 118 |
private Transparency lastTransparency = null; |
| 119 |
private int lastAlphaBand = -1; |
| 120 |
|
| 121 |
/**
|
| 122 |
* Lista de filtros aplicada en la renderizaci?n
|
| 123 |
*/
|
| 124 |
private RasterFilterList filterList = null; |
| 125 |
|
| 126 |
private Buffer lastRenderBuffer = null; |
| 127 |
|
| 128 |
/**
|
| 129 |
* Ancho y alto del objeto Image en una petici?n de dibujado a un raster
|
| 130 |
* raster
|
| 131 |
*/
|
| 132 |
private double widthImage, heightImage; |
| 133 |
|
| 134 |
private Point2D ulPxRequest, lrPxRequest; |
| 135 |
|
| 136 |
/**
|
| 137 |
* Array de listeners que ser?n informados cuando cambia una propiedad en la visualizaci?n
|
| 138 |
*/
|
| 139 |
private ArrayList<VisualPropertyListener> |
| 140 |
visualPropertyListener = new ArrayList<VisualPropertyListener>(); |
| 141 |
private RasterUtils util = RasterLocator.getManager().getRasterUtils();
|
| 142 |
private boolean isDrawing = false; |
| 143 |
|
| 144 |
private Graphics2D lastGraphics = null; |
| 145 |
private ViewPortData lastViewPortData = null; |
| 146 |
private Dimension2D viewDimension = null; |
| 147 |
|
| 148 |
/**
|
| 149 |
* Constructor
|
| 150 |
* @param grid
|
| 151 |
*/
|
| 152 |
public DefaultRender() {
|
| 153 |
} |
| 154 |
|
| 155 |
/**
|
| 156 |
* Constructor
|
| 157 |
* @param grid
|
| 158 |
*/
|
| 159 |
public DefaultRender(RasterDataStore ds) {
|
| 160 |
this.dataStore = ds;
|
| 161 |
init(); |
| 162 |
} |
| 163 |
|
| 164 |
/*
|
| 165 |
* (non-Javadoc)
|
| 166 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getDataStore()
|
| 167 |
*/
|
| 168 |
public RasterDataStore getDataStore() {
|
| 169 |
return this.dataStore; |
| 170 |
} |
| 171 |
|
| 172 |
/*
|
| 173 |
* (non-Javadoc)
|
| 174 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setDataStore(org.gvsig.fmap.dal.coverage.store.RasterDataStore)
|
| 175 |
*/
|
| 176 |
public void setDataStore(RasterDataStore dataStore) { |
| 177 |
this.dataStore = dataStore;
|
| 178 |
init(); |
| 179 |
} |
| 180 |
|
| 181 |
private void init() { |
| 182 |
if(dataStore.getDataType() == null) |
| 183 |
return;
|
| 184 |
|
| 185 |
drawer = new ImageDrawer(this); |
| 186 |
|
| 187 |
if (dataStore == null) { |
| 188 |
setRenderBands(new int[] { 0, 1, 2 }); |
| 189 |
return;
|
| 190 |
} |
| 191 |
|
| 192 |
//Bandas que se dibujan por defecto si la interpretaci?n de color no tiene valores
|
| 193 |
switch (dataStore.getBandCount()) {
|
| 194 |
case 1: |
| 195 |
setRenderBands(new int[] { 0, 0, 0 }); |
| 196 |
break;
|
| 197 |
case 2: |
| 198 |
setRenderBands(new int[] { 0, 1, 1 }); |
| 199 |
break;
|
| 200 |
default:
|
| 201 |
setRenderBands(new int[] { 0, 1, 2 }); |
| 202 |
break;
|
| 203 |
} |
| 204 |
|
| 205 |
//---------------------------------------------------
|
| 206 |
//INICIALIZACI?N DE LA INTERPRETACI?N DE COLOR
|
| 207 |
|
| 208 |
//Inicializaci?n de la asignaci?n de bandas en el renderizado
|
| 209 |
//Leemos el objeto metadata para obtener la interpretaci?n de color asociada al raster
|
| 210 |
|
| 211 |
ColorInterpretation colorInterpr = dataStore.getColorInterpretation(); |
| 212 |
if (colorInterpr != null) |
| 213 |
if (colorInterpr.getBand(DataStoreColorInterpretation.PAL_BAND) == -1) { |
| 214 |
if (colorInterpr.isUndefined())
|
| 215 |
return;
|
| 216 |
int[] result = new int[] { -1, -1, -1 }; |
| 217 |
int gray = colorInterpr.getBand(DataStoreColorInterpretation.GRAY_BAND);
|
| 218 |
if (gray != -1) |
| 219 |
result[0] = result[1] = result[2] = gray; |
| 220 |
else {
|
| 221 |
int r = colorInterpr.getBand(DataStoreColorInterpretation.RED_BAND);
|
| 222 |
if (r != -1) |
| 223 |
result[0] = r;
|
| 224 |
int g = colorInterpr.getBand(DataStoreColorInterpretation.GREEN_BAND);
|
| 225 |
if (g != -1) |
| 226 |
result[1] = g;
|
| 227 |
int b = colorInterpr.getBand(DataStoreColorInterpretation.BLUE_BAND);
|
| 228 |
if (b != -1) |
| 229 |
result[2] = b;
|
| 230 |
} |
| 231 |
setRenderBands(result); |
| 232 |
} |
| 233 |
} |
| 234 |
|
| 235 |
/**
|
| 236 |
* Asigna un listener a la lista que ser? informado cuando cambie una
|
| 237 |
* propiedad visual en la renderizaci?n.
|
| 238 |
* @param listener VisualPropertyListener
|
| 239 |
*/
|
| 240 |
public void addVisualPropertyListener(VisualPropertyListener listener) { |
| 241 |
visualPropertyListener.add(listener); |
| 242 |
} |
| 243 |
|
| 244 |
/**
|
| 245 |
* M?todo llamado cuando hay un cambio en una propiedad de visualizaci?n
|
| 246 |
*/
|
| 247 |
private void callVisualPropertyChanged(Object obj) { |
| 248 |
for (int i = 0; i < visualPropertyListener.size(); i++) { |
| 249 |
VisualPropertyEvent ev = new VisualPropertyEvent(obj);
|
| 250 |
((VisualPropertyListener)visualPropertyListener.get(i)).visualPropertyValueChanged(ev); |
| 251 |
} |
| 252 |
} |
| 253 |
|
| 254 |
/**
|
| 255 |
* Thread de dibujado
|
| 256 |
*/
|
| 257 |
public void run() { |
| 258 |
try {
|
| 259 |
draw(lastGraphics, lastViewPortData); |
| 260 |
} catch (RasterDriverException e) {
|
| 261 |
LoggerFactory.getLogger(getClass()).debug("Error reading data", e);
|
| 262 |
} catch (InvalidSetViewException e) {
|
| 263 |
LoggerFactory.getLogger(getClass()).debug("Invalid view", e);
|
| 264 |
} catch (ProcessInterruptedException e) {
|
| 265 |
} |
| 266 |
} |
| 267 |
|
| 268 |
/*
|
| 269 |
* (non-Javadoc)
|
| 270 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setGraphicInfo(java.awt.Graphics2D, org.gvsig.fmap.dal.coverage.datastruct.ViewPortData)
|
| 271 |
*/
|
| 272 |
public void setGraphicInfo(Graphics2D g, ViewPortData vp) { |
| 273 |
this.lastGraphics = g;
|
| 274 |
this.lastViewPortData = vp;
|
| 275 |
} |
| 276 |
|
| 277 |
/*
|
| 278 |
* (non-Javadoc)
|
| 279 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#drawThread(java.awt.Graphics2D, org.gvsig.fmap.dal.coverage.datastruct.ViewPortData)
|
| 280 |
*/
|
| 281 |
public void drawThread(Graphics2D g, ViewPortData vp) { |
| 282 |
//Se dibuja si cae dentro de la vista
|
| 283 |
if(util.isOutside(vp.getExtent(), dataStore.getExtent()))
|
| 284 |
return;
|
| 285 |
|
| 286 |
setReading(true);
|
| 287 |
setGraphicInfo(g, vp); |
| 288 |
new Thread(this).start(); |
| 289 |
|
| 290 |
while(isReading()) {
|
| 291 |
try {
|
| 292 |
Thread.sleep(50); |
| 293 |
} catch (InterruptedException e) { |
| 294 |
break;
|
| 295 |
} |
| 296 |
} |
| 297 |
} |
| 298 |
|
| 299 |
/*
|
| 300 |
* (non-Javadoc)
|
| 301 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#draw(java.awt.Graphics2D, org.cresques.geo.ViewPortData)
|
| 302 |
*/
|
| 303 |
public synchronized void drawTiledService(Graphics2D g, ViewPortData vp, Dimension2D viewDimension) |
| 304 |
throws RasterDriverException, InvalidSetViewException, ProcessInterruptedException {
|
| 305 |
lastGraphics = g; |
| 306 |
lastViewPortData = vp; |
| 307 |
this. viewDimension = viewDimension;
|
| 308 |
|
| 309 |
if(util.isOutside(vp.getExtent(), dataStore.getExtent())) {
|
| 310 |
endReading(); |
| 311 |
return;
|
| 312 |
} |
| 313 |
|
| 314 |
if (dataStore != null) { |
| 315 |
if (lastTransparency == null) { |
| 316 |
lastTransparency = dataStore.getTransparency().cloneTransparency(); |
| 317 |
lastTransparency.addPropertyListener(this);
|
| 318 |
lastTransparency.setTransparencyBand(dataStore.getTransparency().getAlphaBandNumber()); |
| 319 |
} |
| 320 |
|
| 321 |
lastAlphaBand = lastTransparency.getAlphaBandNumber(); |
| 322 |
|
| 323 |
// Asignamos la banda de transparencia si existe esta
|
| 324 |
RasterQuery query = DefaultRasterManager.getInstance().createQuery(); |
| 325 |
query.setTime(vp.getTime()); |
| 326 |
query.setSupersamplingLoadingBuffer(false); // Desactivamos el supersampleo en la carga del buffer. |
| 327 |
query.setDrawableBands(getRenderBands()); |
| 328 |
query.setFrameWidth(0);
|
| 329 |
query.setAlphaBand(lastTransparency.getAlphaBandNumber()); |
| 330 |
query.setAreaOfInterest(vp.getExtent(), |
| 331 |
(int)Math.round(vp.getWidth()), |
| 332 |
(int)Math.round(vp.getHeight()), this); |
| 333 |
dataStore.query(query); |
| 334 |
query.setSupersamplingLoadingBuffer(true);
|
| 335 |
} else
|
| 336 |
return;
|
| 337 |
} |
| 338 |
|
| 339 |
/*
|
| 340 |
* (non-Javadoc)
|
| 341 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#draw(java.awt.Graphics2D, org.cresques.geo.ViewPortData)
|
| 342 |
*/
|
| 343 |
public synchronized void draw(Graphics2D g, ViewPortData vp) |
| 344 |
throws RasterDriverException, InvalidSetViewException, ProcessInterruptedException {
|
| 345 |
lastGraphics = g; |
| 346 |
lastViewPortData = vp; |
| 347 |
|
| 348 |
if(util.isOutside(vp.getExtent(), dataStore.getExtent())) {
|
| 349 |
endReading(); |
| 350 |
return;
|
| 351 |
} |
| 352 |
|
| 353 |
Extent adjustedRotedRequest = request(vp, dataStore); |
| 354 |
|
| 355 |
if ((widthImage <= 0) || (heightImage <= 0)) { |
| 356 |
endReading(); |
| 357 |
return;
|
| 358 |
} |
| 359 |
|
| 360 |
if (dataStore == null) |
| 361 |
return;
|
| 362 |
|
| 363 |
//If the transparency hasn't been defined yet then we'll take that from the store
|
| 364 |
if (lastTransparency == null) { |
| 365 |
lastTransparency = dataStore.getTransparency().cloneTransparency(); |
| 366 |
lastTransparency.addPropertyListener(this);
|
| 367 |
} |
| 368 |
// Asignamos la banda de transparencia si existe esta
|
| 369 |
RasterQuery query = DefaultRasterManager.getInstance().createQuery(); |
| 370 |
query.setTime(vp.getTime()); |
| 371 |
query.setSupersamplingLoadingBuffer(false); // Desactivamos el supersampleo en la carga del buffer. |
| 372 |
query.setAreaOfInterest(adjustedRotedRequest, (int)Math.round(widthImage), (int)Math.round(heightImage)); |
| 373 |
|
| 374 |
if (lastTransparency.getAlphaBandNumber() != -1) { |
| 375 |
query.setDrawableBands(new int[] { lastTransparency.getAlphaBandNumber()}); |
| 376 |
lastTransparency.setAlphaBand(dataStore.query(query)); |
| 377 |
} |
| 378 |
lastAlphaBand = lastTransparency.getAlphaBandNumber(); |
| 379 |
|
| 380 |
//query.setAreaOfInterest(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY(), adjustedRotedRequest.getLRX(), adjustedRotedRequest.getLRY(), (int)Math.round(widthImage), (int)Math.round(heightImage), this, 0);
|
| 381 |
query.setDrawableBands(getRenderBands()); |
| 382 |
Buffer buf = dataStore.query(query);
|
| 383 |
query.setSupersamplingLoadingBuffer(true);
|
| 384 |
double[] step = dataStore.getStep(); |
| 385 |
|
| 386 |
if(drawer == null) { |
| 387 |
init(); |
| 388 |
} |
| 389 |
|
| 390 |
drawBufferOnImage(lastGraphics, |
| 391 |
lastViewPortData, |
| 392 |
buf, |
| 393 |
step, |
| 394 |
dataStore.getAffineTransform(), |
| 395 |
adjustedRotedRequest); |
| 396 |
} |
| 397 |
|
| 398 |
/*
|
| 399 |
* (non-Javadoc)
|
| 400 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#draw(java.awt.Graphics2D, org.cresques.geo.ViewPortData)
|
| 401 |
*/
|
| 402 |
private synchronized void drawBufferOnImage(Graphics2D g, ViewPortData vp, Buffer buf, double[] step, AffineTransform transf, Extent adjustedRotedRequest) |
| 403 |
throws RasterDriverException, InvalidSetViewException, ProcessInterruptedException {
|
| 404 |
|
| 405 |
grid = bufferPreprocessing(buf, lastTransparency); |
| 406 |
|
| 407 |
//Buffer filtrado para renderizar
|
| 408 |
lastRenderBuffer = grid.getRasterBuf(); |
| 409 |
drawer.setBuffer(lastRenderBuffer); // Buffer de datos a renderizar
|
| 410 |
drawer.setStep(step); // Desplazamiento para supersampleo
|
| 411 |
drawer.setBufferSize((int)Math.round(widthImage), (int)Math.round(heightImage)); // Ancho y alto del buffer |
| 412 |
Image geoImage = drawer.drawBufferOverImageObject(); // Acci?n de renderizado |
| 413 |
|
| 414 |
// Borramos el buffer de transparencia para que siempre se tenga que regenerar.
|
| 415 |
lastTransparency.setAlphaBand(null);
|
| 416 |
|
| 417 |
//En el caso de no tenga rotaci?n y el tama?o de pixel sea positivo en X y negativo en Y no aplicamos ninguna
|
| 418 |
//transformaci?n. Esto no es necesario hacerlo, sin ello se visualiza igual. Unicamente se hace porque de esta
|
| 419 |
//forma el raster resultante mejora un poco en calidad en ciertos niveles de zoom ya que al aplicar transformaciones
|
| 420 |
//sobre el Graphics parece que pierde algo de calidad.
|
| 421 |
if(transf.getScaleX() > 0 && transf.getScaleY() < 0 && transf.getShearX() == 0 && transf.getShearY() == 0) { |
| 422 |
Point2D lastGraphicOffset = new Point2D.Double(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY()); |
| 423 |
((DefaultViewPortData)vp).mat.transform(lastGraphicOffset, lastGraphicOffset); |
| 424 |
g.drawImage(geoImage, (int) Math.round(lastGraphicOffset.getX()), (int) Math.round(lastGraphicOffset.getY()), null); |
| 425 |
return;
|
| 426 |
} |
| 427 |
|
| 428 |
/*
|
| 429 |
* Tenemos una matriz con la transformaci?n de la coordenadas de la vista a coordenadas reales vp.mat, adem?s tenemos
|
| 430 |
* la transformaci?n de coordenadas reales a coordenadas pixel (transf). Con ambas podemos obtener una matriz de trasformacion
|
| 431 |
* entre coordenadas de la vista a coordenadas pixel (transf X vp.mat). As? obtenemos la transformaci?n entre coordenadas
|
| 432 |
* de la vista y coordenadas pixel del raster. El problema es que a cada zoom la escala de la petici?n del raster varia
|
| 433 |
* por lo que habr? que calcular una matriz con la escala (escale). escale X transf X vp.mat
|
| 434 |
*/
|
| 435 |
double sX = Math.abs(ulPxRequest.getX() - lrPxRequest.getX()) / widthImage; |
| 436 |
double sY = Math.abs(ulPxRequest.getY() - lrPxRequest.getY()) / heightImage; |
| 437 |
AffineTransform scale = new AffineTransform(sX, 0, 0, sY, 0, 0); |
| 438 |
|
| 439 |
try {
|
| 440 |
AffineTransform at = (AffineTransform)scale.clone(); |
| 441 |
at.preConcatenate(transf); |
| 442 |
at.preConcatenate(vp.getMat()); |
| 443 |
g.transform(at); |
| 444 |
Point2D.Double pt = null; |
| 445 |
//El punto sobre el que rota la imagen depende del signo de los tama?os del pixel
|
| 446 |
if(transf.getScaleX() < 0 && transf.getScaleY() < 0) |
| 447 |
pt = new Point2D.Double(adjustedRotedRequest.maxX(), adjustedRotedRequest.maxY()); |
| 448 |
else if(transf.getScaleX() > 0 && transf.getScaleY() > 0) |
| 449 |
pt = new Point2D.Double(adjustedRotedRequest.minX(), adjustedRotedRequest.minY()); |
| 450 |
else if(transf.getScaleX() < 0 && transf.getScaleY() > 0) |
| 451 |
pt = new Point2D.Double(adjustedRotedRequest.maxX(), adjustedRotedRequest.minY()); |
| 452 |
else
|
| 453 |
pt = new Point2D.Double(adjustedRotedRequest.getULX(), adjustedRotedRequest.getULY()); |
| 454 |
vp.getMat().transform(pt, pt); |
| 455 |
at.inverseTransform(pt, pt); |
| 456 |
g.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), null); |
| 457 |
g.transform(at.createInverse()); |
| 458 |
} catch (NoninvertibleTransformException e) { |
| 459 |
LoggerFactory.getLogger(getClass()).debug("Transformation error", e);
|
| 460 |
} |
| 461 |
return;
|
| 462 |
// long t2 = new Date().getTime();
|
| 463 |
// System.out.println("Renderizando Raster: " + ((t2 - t1) / 1000D) + ", secs.");
|
| 464 |
} |
| 465 |
|
| 466 |
/*
|
| 467 |
* (non-Javadoc)
|
| 468 |
* @see org.gvsig.raster.cache.tile.provider.TileListener#tileReady(org.gvsig.raster.cache.tile.Tile)
|
| 469 |
*/
|
| 470 |
public void tileReady(Tile loadedTile) throws TileGettingException { |
| 471 |
//Getting parameters
|
| 472 |
Boolean tiling = (Boolean)loadedTile.getDownloaderParams("Tiling"); |
| 473 |
AffineTransform transf = (AffineTransform)loadedTile.getDownloaderParams("AffineTransform"); |
| 474 |
Buffer buf = (loadedTile.getData() != null && loadedTile.getData().length > 0) ? (Buffer)loadedTile.getData()[0] : null; |
| 475 |
if(buf == null) |
| 476 |
return;
|
| 477 |
Buffer transparencyBuffer = (loadedTile.getData() != null && loadedTile.getData().length > 1 && lastTransparency.getAlphaBandNumber() != -1) |
| 478 |
? (Buffer)loadedTile.getData()[1] : null; |
| 479 |
//ColorTable colorTable = (loadedTile.getData() != null && loadedTile.getData().length > 2) ? (ColorTable)loadedTile.getData()[2] : null;
|
| 480 |
double[] step = (double[])loadedTile.getDownloaderParams("Step"); |
| 481 |
Extent e = RasterLocator.getManager().getDataStructFactory(). |
| 482 |
createExtent(loadedTile.getUl().getX(), |
| 483 |
loadedTile.getUl().getY(), |
| 484 |
loadedTile.getLr().getX(), |
| 485 |
loadedTile.getLr().getY()); |
| 486 |
|
| 487 |
if(tiling == null || tiling.booleanValue()) { |
| 488 |
lastTransparency.setAlphaBand(transparencyBuffer); |
| 489 |
//if(filterList != null)
|
| 490 |
//replaceColorTable(colorTable);
|
| 491 |
Grid grid = null;
|
| 492 |
try {
|
| 493 |
grid = bufferPreprocessing(buf, lastTransparency); |
| 494 |
} catch (ProcessInterruptedException e3) {
|
| 495 |
return;
|
| 496 |
} |
| 497 |
buf = grid.getRasterBuf(); |
| 498 |
|
| 499 |
//Reescalado de los tiles. El tama?o en pixels de un tile no tiene pq coincidir con el de la vista.
|
| 500 |
double w = lastViewPortData.getWidth();
|
| 501 |
double h = lastViewPortData.getHeight();
|
| 502 |
if(viewDimension != null) { |
| 503 |
w = viewDimension.getWidth(); |
| 504 |
h = viewDimension.getHeight(); |
| 505 |
} |
| 506 |
double viewScaleW = lastViewPortData.getExtent().width() / w;
|
| 507 |
double tileScaleW = e.width() / (double)buf.getWidth(); |
| 508 |
double scaleW = viewScaleW / tileScaleW;
|
| 509 |
double viewScaleH = lastViewPortData.getExtent().height() / h;
|
| 510 |
double tileScaleH = e.height() / (double)buf.getHeight(); |
| 511 |
double scaleH = viewScaleH / tileScaleH;
|
| 512 |
|
| 513 |
ImageDrawer d = new ImageDrawer(this); |
| 514 |
d.setBuffer(buf); |
| 515 |
d.setStep(null);
|
| 516 |
d.setBufferSize(buf.getWidth(), buf.getHeight()); |
| 517 |
Image geoImage;
|
| 518 |
try {
|
| 519 |
geoImage = d.drawBufferOverImageObject(); |
| 520 |
} catch (ProcessInterruptedException e2) {
|
| 521 |
return;
|
| 522 |
} |
| 523 |
|
| 524 |
lastTransparency.setAlphaBand(null);
|
| 525 |
|
| 526 |
AffineTransform at = new AffineTransform(); |
| 527 |
at.scale(1/scaleW, 1/scaleH); |
| 528 |
|
| 529 |
try {
|
| 530 |
Point2D pt = new Point2D.Double(e.getULX(), e.getULY()); |
| 531 |
((DefaultViewPortData)lastViewPortData).mat.transform(pt, pt); |
| 532 |
at.inverseTransform(pt, pt); |
| 533 |
|
| 534 |
lastGraphics.transform(at); |
| 535 |
lastGraphics.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), null); |
| 536 |
lastGraphics.transform(at.createInverse()); |
| 537 |
|
| 538 |
} catch (NoninvertibleTransformException e1) { |
| 539 |
e1.printStackTrace(); |
| 540 |
} |
| 541 |
} else {
|
| 542 |
try {
|
| 543 |
drawBufferOnImage(lastGraphics, lastViewPortData, buf, step, transf, e); |
| 544 |
} catch (RasterDriverException e1) {
|
| 545 |
LoggerFactory.getLogger(getClass()).debug("Error loading data", e1);
|
| 546 |
} catch (InvalidSetViewException e1) {
|
| 547 |
LoggerFactory.getLogger(getClass()).debug("Invalid view", e1);
|
| 548 |
} catch (ProcessInterruptedException e1) {
|
| 549 |
} |
| 550 |
} |
| 551 |
} |
| 552 |
|
| 553 |
/**
|
| 554 |
* Applies filters and transparency on the buffer and returns the grid with the modified buffer.
|
| 555 |
* @param buf
|
| 556 |
* @param transparency
|
| 557 |
* @throws ProcessInterruptedException
|
| 558 |
*/
|
| 559 |
private Grid bufferPreprocessing(Buffer buf, Transparency transparency) throws ProcessInterruptedException { |
| 560 |
if (dataStore != null) { |
| 561 |
//Asignamos los datos al objeto transparencia antes de aplicar la pila de filtros para que el valor NoData sea efectivo
|
| 562 |
if (dataStore.getTransparency().isNoDataActive() || transparency.existAlphaBand())
|
| 563 |
transparency.setDataBuffer(buf); |
| 564 |
else {
|
| 565 |
transparency.setDataBuffer(null);
|
| 566 |
} |
| 567 |
transparency.activeTransparency(); |
| 568 |
} else
|
| 569 |
return null; |
| 570 |
|
| 571 |
//Aplicamos los filtros
|
| 572 |
grid = new GridImpl(buf, dataStore, true); |
| 573 |
if(filterList != null) { |
| 574 |
filterList.addEnvParam("Transparency", transparency);
|
| 575 |
grid.setFilterList(filterList); |
| 576 |
grid.applyFilters(); |
| 577 |
} |
| 578 |
|
| 579 |
//Si la lista de filtros genera bandas de transparencia se mezclan con la actual
|
| 580 |
if(grid.getFilterList().getAlphaBand() != null) { |
| 581 |
Buffer t = grid.getFilterList().getAlphaBand();
|
| 582 |
if(transparency.getAlphaBand() != null) |
| 583 |
t = RasterLocator.getManager().getColorConversion().mergeTransparencyBuffers(t, transparency.getAlphaBand()); |
| 584 |
transparency.setAlphaBand(t); |
| 585 |
transparency.activeTransparency(); |
| 586 |
} |
| 587 |
|
| 588 |
return grid;
|
| 589 |
} |
| 590 |
|
| 591 |
/**
|
| 592 |
* When tiles are renderized the color table in each tile could be diferent.
|
| 593 |
* In this case the color table must be replaced
|
| 594 |
* @deprecated one color table by tiled layer
|
| 595 |
*/
|
| 596 |
@SuppressWarnings("unused") |
| 597 |
private void replaceColorTable(ColorTable ct) { |
| 598 |
ColorTable colorTable = null;
|
| 599 |
if(ct == null) |
| 600 |
colorTable = dataStore.getColorTable(); |
| 601 |
else
|
| 602 |
colorTable = ct; |
| 603 |
if(colorTable != null) { |
| 604 |
RasterFilterListManager colorTableManager; |
| 605 |
try {
|
| 606 |
filterList.remove("enhanced_stretch");
|
| 607 |
colorTableManager = filterList.getManagerByID("ColorTable");
|
| 608 |
Params params = filterList.createEmptyFilterParams(); |
| 609 |
params.setParam("colorTable", colorTable);
|
| 610 |
colorTableManager.addFilter(params); |
| 611 |
} catch (FilterManagerException e) {
|
| 612 |
e.printStackTrace(); |
| 613 |
} catch (FilterTypeException e) {
|
| 614 |
e.printStackTrace(); |
| 615 |
} |
| 616 |
} |
| 617 |
} |
| 618 |
|
| 619 |
/*
|
| 620 |
* (non-Javadoc)
|
| 621 |
* @see org.gvsig.raster.impl.grid.render.TileListener#endReading()
|
| 622 |
*/
|
| 623 |
public void endReading() { |
| 624 |
isDrawing = false;
|
| 625 |
} |
| 626 |
|
| 627 |
/*
|
| 628 |
* (non-Javadoc)
|
| 629 |
* @see org.gvsig.raster.impl.grid.render.TileListener#isReading()
|
| 630 |
*/
|
| 631 |
public boolean isReading() { |
| 632 |
return isDrawing;
|
| 633 |
} |
| 634 |
|
| 635 |
/*
|
| 636 |
* (non-Javadoc)
|
| 637 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setReading(boolean)
|
| 638 |
*/
|
| 639 |
public void setReading(boolean reading) { |
| 640 |
isDrawing = reading; |
| 641 |
} |
| 642 |
|
| 643 |
/**
|
| 644 |
* Calculamos la petici?n en coordenadas del mundo real con la transformaci?n del raster. Esto
|
| 645 |
* permite obtener las coordenadas de la petici?n con la rotaci?n, si la tiene.
|
| 646 |
* @param vp
|
| 647 |
* @param ldatastore
|
| 648 |
* @return
|
| 649 |
*/
|
| 650 |
private Extent request(ViewPortData vp, RasterDataStore ldatastore) {
|
| 651 |
if (ldatastore.isRotated()) {
|
| 652 |
//Obtenemos las cuatro esquinas de la selecci?n que hemos hecho en la vista
|
| 653 |
Point2D ul = new Point2D.Double(vp.getExtent().minX(), vp.getExtent().maxY()); |
| 654 |
Point2D ur = new Point2D.Double(vp.getExtent().maxX(), vp.getExtent().maxY()); |
| 655 |
Point2D ll = new Point2D.Double(vp.getExtent().minX(), vp.getExtent().minY()); |
| 656 |
Point2D lr = new Point2D.Double(vp.getExtent().maxX(), vp.getExtent().minY()); |
| 657 |
|
| 658 |
//Las pasamos a coordenadas pixel del raster
|
| 659 |
ul = ldatastore.worldToRaster(ul); |
| 660 |
ur = ldatastore.worldToRaster(ur); |
| 661 |
ll = ldatastore.worldToRaster(ll); |
| 662 |
lr = ldatastore.worldToRaster(lr); |
| 663 |
|
| 664 |
//Obtenemos los valores pixel m?ximos y m?nimos para X e Y
|
| 665 |
double pxMaxX = Math.max(Math.max(ul.getX(), ur.getX()), Math.max(ll.getX(), lr.getX())); |
| 666 |
double pxMaxY = Math.max(Math.max(ul.getY(), ur.getY()), Math.max(ll.getY(), lr.getY())); |
| 667 |
double pxMinX = Math.min(Math.min(ul.getX(), ur.getX()), Math.min(ll.getX(), lr.getX())); |
| 668 |
double pxMinY = Math.min(Math.min(ul.getY(), ur.getY()), Math.min(ll.getY(), lr.getY())); |
| 669 |
|
| 670 |
//Ajustamos las coordenadas pixel al ?rea m?xima del raster
|
| 671 |
pxMinX = Math.max(pxMinX, 0); |
| 672 |
pxMinY = Math.max(pxMinY, 0); |
| 673 |
pxMaxX = Math.min(pxMaxX, ldatastore.getWidth());
|
| 674 |
pxMaxY = Math.min(pxMaxY, ldatastore.getHeight());
|
| 675 |
|
| 676 |
//Petici?n en coordenadas pixel
|
| 677 |
ulPxRequest = new Point2D.Double(pxMinX, pxMinY); |
| 678 |
lrPxRequest = new Point2D.Double(pxMaxX, pxMaxY); |
| 679 |
|
| 680 |
//Calculamos el ancho y alto del buffer sobre el que se escribe la petici?n
|
| 681 |
widthImage = ((Math.abs(lrPxRequest.getX() - ulPxRequest.getX()) * vp
|
| 682 |
.getWidth()) / Math.abs(pxMaxX - pxMinX));
|
| 683 |
heightImage = ((Math.abs(lrPxRequest.getY() - ulPxRequest.getY()) * vp
|
| 684 |
.getHeight()) / Math.abs(pxMaxY - pxMinY));
|
| 685 |
|
| 686 |
//Convertimos la petici?n en coordenadas pixel a petici?n en coordenadas reales.
|
| 687 |
Point2D ulWC = ldatastore.rasterToWorld(ulPxRequest);
|
| 688 |
Point2D lrWC = ldatastore.rasterToWorld(lrPxRequest);
|
| 689 |
|
| 690 |
//Ajustamos la petici?n a los limites del raster, teniendo en cuenta la rotaci?n de este.
|
| 691 |
return new ExtentImpl(ulWC, lrWC); |
| 692 |
} |
| 693 |
Extent adjustedRotedExtent = util.calculateAdjustedView(vp.getExtent(), ldatastore.getAffineTransform(), ldatastore.getWidth(), ldatastore.getHeight()); |
| 694 |
widthImage = (int)Math.round(Math.abs(adjustedRotedExtent.width() * vp.getMat().getScaleX())); |
| 695 |
heightImage = (int)Math.round(Math.abs(adjustedRotedExtent.height() * vp.getMat().getScaleY())); |
| 696 |
Point2D ul = new Point2D.Double(adjustedRotedExtent.getULX(), adjustedRotedExtent.getULY()); |
| 697 |
Point2D lr = new Point2D.Double(adjustedRotedExtent.getLRX(), adjustedRotedExtent.getLRY()); |
| 698 |
ul = ldatastore.worldToRaster(ul); |
| 699 |
lr = ldatastore.worldToRaster(lr); |
| 700 |
ulPxRequest = new Point2D.Double(ul.getX(), ul.getY()); |
| 701 |
lrPxRequest = new Point2D.Double(lr.getX(), lr.getY()); |
| 702 |
return adjustedRotedExtent;
|
| 703 |
} |
| 704 |
|
| 705 |
/*
|
| 706 |
* (non-Javadoc)
|
| 707 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getRenderBands()
|
| 708 |
*/
|
| 709 |
public int[] getRenderBands() { |
| 710 |
return renderBands;
|
| 711 |
} |
| 712 |
|
| 713 |
/*
|
| 714 |
* (non-Javadoc)
|
| 715 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#isRenderingAsGray()
|
| 716 |
*/
|
| 717 |
public boolean isRenderingAsGray() { |
| 718 |
int[] renderBands = getRenderBands(); |
| 719 |
if ((renderBands != null) && (renderBands.length == 3) && (renderBands[0] >= 0) && |
| 720 |
(renderBands[0] == renderBands[1]) && (renderBands[1] == renderBands[2])) |
| 721 |
return true; |
| 722 |
return false; |
| 723 |
} |
| 724 |
|
| 725 |
/**
|
| 726 |
* Asigna el n?mero de bandas y el orden de renderizado. Cada posici?n del vector es una banda
|
| 727 |
* del buffer y el contenido de esa posici?n es la banda de la imagen que se dibujar?
|
| 728 |
* sobre ese buffer. A la hora de renderizar hay que tener en cuenta que solo se renderizan las
|
| 729 |
* tres primeras bandas del buffer por lo que solo se tienen en cuenta los tres primeros
|
| 730 |
* elementos. Por ejemplo, el array {1, 0, 3} dibujar? sobre el Graphics las bandas 1,0 y 3 de un
|
| 731 |
* raster que tiene al menos 4 bandas. La notaci?n con -1 en alguna posici?n del vector solo tiene sentido
|
| 732 |
* en la visualizaci?n pero no se puede as?gnar una banda del buffer a null.
|
| 733 |
* Algunos ejemplos:
|
| 734 |
* <P>
|
| 735 |
* {-1, 0, -1} Dibuja la banda 0 del raster en la G de la visualizaci?n.
|
| 736 |
* Si replicateBand es true R = G = B sino R = B = 0
|
| 737 |
* {1, 0, 3} La R = banda 1 del raster, G = 0 y B = 3
|
| 738 |
* {0} La R = banda 0 del raster. Si replicateBand es true R = G = B sino G = B = 0
|
| 739 |
* </P>
|
| 740 |
*
|
| 741 |
*
|
| 742 |
* @param renderBands: bandas y su posici?n
|
| 743 |
*/
|
| 744 |
public void setRenderBands(int[] renderBands) { |
| 745 |
if( renderBands[0] != this.renderBands[0] || |
| 746 |
renderBands[1] != this.renderBands[1] || |
| 747 |
renderBands[2] != this.renderBands[2]) |
| 748 |
callVisualPropertyChanged(renderBands); |
| 749 |
this.renderBands = renderBands;
|
| 750 |
if (filterList != null) |
| 751 |
for (int i = 0; i < filterList.lenght(); i++) |
| 752 |
(filterList.get(i)).addParam("renderBands", renderBands);
|
| 753 |
} |
| 754 |
|
| 755 |
/**
|
| 756 |
* Dado que la notaci?n de bandas para renderizado admite posiciones con -1 y la notaci?n del
|
| 757 |
* buffer no ya que no tendria sentido. Esta funci?n adapta la primera notaci?n a la segunda
|
| 758 |
* para realizar la petici?n setAreaOfInterest y cargar el buffer.
|
| 759 |
* @param b Array que indica la posici?n de bandas para el renderizado
|
| 760 |
* @return Array que indica la posici?n de bandas para la petici?n
|
| 761 |
*/
|
| 762 |
public int[] formatArrayRenderBand(int[] b) { |
| 763 |
int cont = 0; |
| 764 |
for(int i = 0; i < b.length; i++) |
| 765 |
if(b[i] >= 0) |
| 766 |
cont ++; |
| 767 |
if(cont <= 0) |
| 768 |
return null; |
| 769 |
int[] out = new int[cont]; |
| 770 |
int pos = 0; |
| 771 |
for(int i = 0; i < cont; i++) { |
| 772 |
while(b[pos] == -1) |
| 773 |
pos ++; |
| 774 |
out[i] = b[pos]; |
| 775 |
pos ++; |
| 776 |
} |
| 777 |
return out;
|
| 778 |
} |
| 779 |
|
| 780 |
/*
|
| 781 |
* (non-Javadoc)
|
| 782 |
* @see org.gvsig.fmap.dal.coverage.grid.Render#getLastTransparency()
|
| 783 |
*/
|
| 784 |
public Transparency getLastTransparency() { |
| 785 |
return lastTransparency;
|
| 786 |
} |
| 787 |
|
| 788 |
/*
|
| 789 |
* (non-Javadoc)
|
| 790 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getLastAlphaBandNumber()
|
| 791 |
*/
|
| 792 |
public int getLastAlphaBandNumber() { |
| 793 |
return lastAlphaBand;
|
| 794 |
} |
| 795 |
|
| 796 |
/*
|
| 797 |
* (non-Javadoc)
|
| 798 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setLastTransparency(org.gvsig.fmap.dal.coverage.store.props.Transparency)
|
| 799 |
*/
|
| 800 |
public void setLastTransparency(Transparency lastTransparency) { |
| 801 |
this.lastTransparency = lastTransparency;
|
| 802 |
if(this.lastTransparency != null) |
| 803 |
this.lastTransparency.addPropertyListener(this); |
| 804 |
} |
| 805 |
|
| 806 |
/*
|
| 807 |
* (non-Javadoc)
|
| 808 |
* @see org.gvsig.fmap.dal.coverage.grid.Render#getFilterList()
|
| 809 |
*/
|
| 810 |
public RasterFilterList getFilterList() {
|
| 811 |
return filterList;
|
| 812 |
} |
| 813 |
|
| 814 |
/*
|
| 815 |
* (non-Javadoc)
|
| 816 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getLastRenderBuffer()
|
| 817 |
*/
|
| 818 |
public Buffer getLastRenderBuffer() { |
| 819 |
return this.lastRenderBuffer; |
| 820 |
} |
| 821 |
|
| 822 |
/*
|
| 823 |
* (non-Javadoc)
|
| 824 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setLastRenderBuffer(org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
| 825 |
*/
|
| 826 |
public void setLastRenderBuffer(Buffer buf) { |
| 827 |
this.lastRenderBuffer = buf;
|
| 828 |
} |
| 829 |
|
| 830 |
/*
|
| 831 |
* (non-Javadoc)
|
| 832 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#setFilterList(org.gvsig.fmap.dal.coverage.grid.RasterFilterList)
|
| 833 |
*/
|
| 834 |
public void setFilterList(RasterFilterList filterList) { |
| 835 |
this.filterList = filterList;
|
| 836 |
this.filterList.addFilterListListener(this); |
| 837 |
} |
| 838 |
|
| 839 |
/*
|
| 840 |
* (non-Javadoc)
|
| 841 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#existColorTable()
|
| 842 |
*/
|
| 843 |
public boolean existColorTable() { |
| 844 |
return (filterList.getFilterByBaseClass(ColorTableFilter.class) != null); |
| 845 |
} |
| 846 |
|
| 847 |
/*
|
| 848 |
* (non-Javadoc)
|
| 849 |
* @see org.gvsig.fmap.dal.coverage.grid.render.Render#getColorTable()
|
| 850 |
*/
|
| 851 |
public ColorTable getColorTable() {
|
| 852 |
if(existColorTable()) {
|
| 853 |
RasterFilter f = filterList.getFilterByBaseClass(ColorTableFilter.class); |
| 854 |
return ((ColorTableFilter)f).getColorTable();
|
| 855 |
} |
| 856 |
return null; |
| 857 |
} |
| 858 |
|
| 859 |
/**
|
| 860 |
* Obtiene el grid asociado al render
|
| 861 |
* @return
|
| 862 |
*/
|
| 863 |
public Grid getGrid() {
|
| 864 |
return grid;
|
| 865 |
} |
| 866 |
|
| 867 |
/**
|
| 868 |
* Asigna la factoria de buffer del renderizador
|
| 869 |
* @param bf
|
| 870 |
*/
|
| 871 |
public void setDataSource(RasterDataStore ds) { |
| 872 |
this.dataStore = ds;
|
| 873 |
} |
| 874 |
|
| 875 |
/**
|
| 876 |
* Evento activado cuando cambia una propiedad de transparencia.
|
| 877 |
*/
|
| 878 |
public void actionValueChanged(PropertyEvent e) { |
| 879 |
callVisualPropertyChanged(new VisualPropertyEvent(e.getSource()));
|
| 880 |
} |
| 881 |
|
| 882 |
/**
|
| 883 |
* Evento activado cuando cambia la lista de filtros.
|
| 884 |
*/
|
| 885 |
public void filterListChanged(FilterListChangeEvent e) { |
| 886 |
callVisualPropertyChanged(new VisualPropertyEvent(e.getSource()));
|
| 887 |
} |
| 888 |
|
| 889 |
/**
|
| 890 |
* Sets buffers to null
|
| 891 |
*/
|
| 892 |
public void free() { |
| 893 |
if (lastTransparency != null) |
| 894 |
lastTransparency.free(); |
| 895 |
if (grid != null && grid instanceof GridImpl) |
| 896 |
((GridImpl)grid).free(); |
| 897 |
if (getFilterList() != null && getFilterList() instanceof DefaultRasterFilterList) |
| 898 |
((DefaultRasterFilterList)getFilterList()).free(); |
| 899 |
grid = null;
|
| 900 |
dataStore = null;
|
| 901 |
if (lastRenderBuffer != null) |
| 902 |
lastRenderBuffer.free(); |
| 903 |
lastRenderBuffer = null;
|
| 904 |
} |
| 905 |
|
| 906 |
/*
|
| 907 |
* (non-Javadoc)
|
| 908 |
* @see org.gvsig.tools.persistence.Persistent#loadFromState(org.gvsig.tools.persistence.PersistentState)
|
| 909 |
*/
|
| 910 |
public void loadFromState(PersistentState state) |
| 911 |
throws PersistenceException {
|
| 912 |
lastTransparency = (Transparency)state.get("lastTransparency"); |
| 913 |
renderBands = (int[])state.getIntArray("renderBands"); |
| 914 |
//setFilterList((RasterFilterList)state.get("filterList"));
|
| 915 |
} |
| 916 |
|
| 917 |
/*
|
| 918 |
* (non-Javadoc)
|
| 919 |
* @see org.gvsig.tools.persistence.Persistent#saveToState(org.gvsig.tools.persistence.PersistentState)
|
| 920 |
*/
|
| 921 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 922 |
state.set("lastTransparency", lastTransparency);
|
| 923 |
state.set("renderBands", renderBands);
|
| 924 |
//state.set("filterList", filterList);
|
| 925 |
} |
| 926 |
|
| 927 |
public static void registerPersistence() { |
| 928 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
| 929 |
DynStruct definition = manager.addDefinition( |
| 930 |
DefaultRender.class, |
| 931 |
"RasterRendering",
|
| 932 |
"RasterRendering Persistent definition",
|
| 933 |
null,
|
| 934 |
null
|
| 935 |
); |
| 936 |
definition.addDynFieldObject("lastTransparency").setClassOfValue(Transparency.class).setMandatory(false); |
| 937 |
definition.addDynFieldList("renderBands").setClassOfItems(int.class).setMandatory(false); |
| 938 |
//definition.addDynFieldObject("filterList").setClassOfValue(RasterFilterList.class).setMandatory(false);
|
| 939 |
} |
| 940 |
|
| 941 |
} |