gvsig-raster / org.gvsig.raster / branches / org.gvsig.raster_dataaccess_refactoring / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / store / properties / DataStoreColorInterpretation.java @ 2370
History | View | Annotate | Download (12.4 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.store.properties; |
| 23 |
|
| 24 |
import java.util.ArrayList; |
| 25 |
import java.util.Arrays; |
| 26 |
import java.util.List; |
| 27 |
|
| 28 |
import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
| 29 |
import org.gvsig.tools.ToolsLocator; |
| 30 |
import org.gvsig.tools.dynobject.DynStruct; |
| 31 |
import org.gvsig.tools.persistence.PersistenceManager; |
| 32 |
import org.gvsig.tools.persistence.PersistentState; |
| 33 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
| 34 |
/**
|
| 35 |
* Clase que contiene la interpretaci?n de color por banda. Inicialmente
|
| 36 |
* es inicializada con los valores contenidos en el raster si los tiene. Despu?s
|
| 37 |
* estos valores pueden ser modificados.
|
| 38 |
*
|
| 39 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 40 |
*/
|
| 41 |
public class DataStoreColorInterpretation implements ColorInterpretation { |
| 42 |
/**
|
| 43 |
* Interpretaci?n de color para cada banda
|
| 44 |
*/
|
| 45 |
private String[] colorInterpretation = null; |
| 46 |
/**
|
| 47 |
* true si la imagen tiene una banda con el identificador de interpretaci?n de
|
| 48 |
* color a Alpha
|
| 49 |
*/
|
| 50 |
|
| 51 |
/**
|
| 52 |
* Constructor vacio.
|
| 53 |
*/
|
| 54 |
public DataStoreColorInterpretation() {
|
| 55 |
this.colorInterpretation = new String[0]; |
| 56 |
} |
| 57 |
|
| 58 |
/**
|
| 59 |
* Constructor que asigna los valores de interpretaci?n de color
|
| 60 |
*/
|
| 61 |
public DataStoreColorInterpretation(String[] colorInterp) { |
| 62 |
this.colorInterpretation = colorInterp;
|
| 63 |
} |
| 64 |
|
| 65 |
public static DataStoreColorInterpretation createDefaultInterpretation(int nBands) { |
| 66 |
if(nBands <= 0) |
| 67 |
return null; |
| 68 |
if(nBands == 1) |
| 69 |
return new DataStoreColorInterpretation(new String[]{GRAY_BAND}); |
| 70 |
if(nBands == 2) |
| 71 |
return new DataStoreColorInterpretation(new String[]{GRAY_BAND, ALPHA_BAND}); |
| 72 |
if(nBands == 3) |
| 73 |
return new DataStoreColorInterpretation(new String[]{RED_BAND, GREEN_BAND, BLUE_BAND}); |
| 74 |
return new DataStoreColorInterpretation(new String[]{RED_BAND, GREEN_BAND, BLUE_BAND, ALPHA_BAND}); |
| 75 |
} |
| 76 |
|
| 77 |
public static DataStoreColorInterpretation createPaletteInterpretation() { |
| 78 |
return new DataStoreColorInterpretation(PALETTE); |
| 79 |
} |
| 80 |
|
| 81 |
/**
|
| 82 |
* Obtiene una interpretaci?n de color GRAY
|
| 83 |
* @return DatasetColorInterpretation
|
| 84 |
*/
|
| 85 |
public static DataStoreColorInterpretation createGrayInterpretation() { |
| 86 |
return new DataStoreColorInterpretation(GRAYSCALE); |
| 87 |
} |
| 88 |
|
| 89 |
/**
|
| 90 |
* Obtiene una interpretaci?n de color ARGB
|
| 91 |
* @return DatasetColorInterpretation
|
| 92 |
*/
|
| 93 |
public static DataStoreColorInterpretation createRGBAInterpretation() { |
| 94 |
return new DataStoreColorInterpretation(ARGB); |
| 95 |
} |
| 96 |
|
| 97 |
/**
|
| 98 |
* Obtiene una interpretaci?n de color RGB
|
| 99 |
* @return DatasetColorInterpretation
|
| 100 |
*/
|
| 101 |
public static DataStoreColorInterpretation createRGBInterpretation() { |
| 102 |
return new DataStoreColorInterpretation(RGB); |
| 103 |
} |
| 104 |
|
| 105 |
/**
|
| 106 |
* Constructor que inicializa el n?mero de valores de la interpretaci?n de
|
| 107 |
* color. Implica asignar posteriormente los valores a las bandas.
|
| 108 |
*/
|
| 109 |
public DataStoreColorInterpretation(int bandCount) { |
| 110 |
colorInterpretation = new String[bandCount]; |
| 111 |
} |
| 112 |
|
| 113 |
public DataStoreColorInterpretation(String colorInterpretationConstant) { |
| 114 |
if(colorInterpretationConstant.equals(RGB)) {
|
| 115 |
colorInterpretation = new String[]{RED_BAND, GREEN_BAND, BLUE_BAND}; |
| 116 |
} |
| 117 |
if(colorInterpretationConstant.equals(BGR)) {
|
| 118 |
colorInterpretation = new String[]{BLUE_BAND, GREEN_BAND, RED_BAND}; |
| 119 |
} |
| 120 |
if(colorInterpretationConstant.equals(ARGB)) {
|
| 121 |
colorInterpretation = new String[]{RED_BAND, GREEN_BAND, BLUE_BAND, ALPHA_BAND}; |
| 122 |
} |
| 123 |
if(colorInterpretationConstant.equals(GRAYSCALE)) {
|
| 124 |
colorInterpretation = new String[]{GRAY_BAND}; |
| 125 |
} |
| 126 |
if(colorInterpretationConstant.equals(PALETTE)) {
|
| 127 |
colorInterpretation = new String[]{PAL_BAND}; |
| 128 |
} |
| 129 |
} |
| 130 |
|
| 131 |
/**
|
| 132 |
* Inicializa el vector de cadenas que contendr?n el nombre de la interpretaci?n
|
| 133 |
* de color asignada a cada banda. Este valor es el devuelto por la imagen.
|
| 134 |
* @param values N?mero de valores
|
| 135 |
*/
|
| 136 |
public void initColorInterpretation(int values) { |
| 137 |
colorInterpretation = new String[values]; |
| 138 |
} |
| 139 |
|
| 140 |
public boolean hasInterpretation() { |
| 141 |
if(colorInterpretation == null) |
| 142 |
return false; |
| 143 |
for (int i = 0; i < colorInterpretation.length; i++) { |
| 144 |
if( colorInterpretation[i].equals(RED_BAND) ||
|
| 145 |
colorInterpretation[i].equals(GREEN_BAND) || |
| 146 |
colorInterpretation[i].equals(BLUE_BAND) || |
| 147 |
colorInterpretation[i].equals(RED_GREEN_BAND) || |
| 148 |
colorInterpretation[i].equals(RED_BLUE_BAND) || |
| 149 |
colorInterpretation[i].equals(GRAY_BAND) || |
| 150 |
colorInterpretation[i].equals(PAL_BAND)) |
| 151 |
return true; |
| 152 |
} |
| 153 |
return false; |
| 154 |
} |
| 155 |
|
| 156 |
public boolean isBGR() { |
| 157 |
if(colorInterpretation != null) { |
| 158 |
if (colorInterpretation.length == 3 && |
| 159 |
colorInterpretation[0] == BLUE_BAND &&
|
| 160 |
colorInterpretation[1] == GREEN_BAND &&
|
| 161 |
colorInterpretation[2] == RED_BAND)
|
| 162 |
return true; |
| 163 |
} |
| 164 |
return false; |
| 165 |
} |
| 166 |
|
| 167 |
public boolean isRGB() { |
| 168 |
if(colorInterpretation != null) { |
| 169 |
if (colorInterpretation.length == 3 && |
| 170 |
isColorInterpretation(0) &&
|
| 171 |
isColorInterpretation(1) &&
|
| 172 |
isColorInterpretation(2))
|
| 173 |
return true; |
| 174 |
} |
| 175 |
return false; |
| 176 |
} |
| 177 |
|
| 178 |
public boolean isRGBA() { |
| 179 |
if(colorInterpretation != null) { |
| 180 |
if (colorInterpretation.length == 4 && |
| 181 |
isInterpretationDefinedAsColor(0) &&
|
| 182 |
isInterpretationDefinedAsColor(1) &&
|
| 183 |
isInterpretationDefinedAsColor(2) &&
|
| 184 |
isAlphaInterpretation(3))
|
| 185 |
return true; |
| 186 |
} |
| 187 |
return false; |
| 188 |
} |
| 189 |
|
| 190 |
public boolean isPalette() { |
| 191 |
if(colorInterpretation != null && |
| 192 |
colorInterpretation[0].length() >= 1 && |
| 193 |
colorInterpretation[0].equals(PAL_BAND))
|
| 194 |
return true; |
| 195 |
return false; |
| 196 |
} |
| 197 |
|
| 198 |
private boolean isInterpretationDefinedAsColor(int band) { |
| 199 |
return isColorInterpretation(band) || isGrayInterpretation(band);
|
| 200 |
} |
| 201 |
|
| 202 |
public boolean isGrayInterpretation(int band) { |
| 203 |
return colorInterpretation[band].equals(GRAY_BAND);
|
| 204 |
} |
| 205 |
|
| 206 |
public boolean isColorInterpretation(int band) { |
| 207 |
return colorInterpretation[band].equals(RED_BAND) || colorInterpretation[band].equals(GREEN_BAND) || colorInterpretation[band].equals(BLUE_BAND);
|
| 208 |
} |
| 209 |
|
| 210 |
public boolean isAlphaInterpretation(int band) { |
| 211 |
return colorInterpretation[band].equals(ALPHA_BAND);
|
| 212 |
} |
| 213 |
|
| 214 |
public int getAlphaBand() { |
| 215 |
String[] values = getValues(); |
| 216 |
for (int i = 0; i < values.length; i++) { |
| 217 |
if(values[i] != null && values[i].equals(ALPHA_BAND)) |
| 218 |
return i;
|
| 219 |
} |
| 220 |
return -1; |
| 221 |
} |
| 222 |
|
| 223 |
public String[] getValues() { |
| 224 |
return colorInterpretation;
|
| 225 |
} |
| 226 |
|
| 227 |
/**
|
| 228 |
* Asigna los valores de la interpretaci?n de color
|
| 229 |
* @return String[]
|
| 230 |
*/
|
| 231 |
public void setValues(String[] colorInterp) { |
| 232 |
colorInterpretation = colorInterp; |
| 233 |
} |
| 234 |
|
| 235 |
public void setColorInterpValue(int band, String value) { |
| 236 |
try{
|
| 237 |
//Si ya existia el valor se elimina
|
| 238 |
for (int i = 0; i < colorInterpretation.length; i++) { |
| 239 |
if(colorInterpretation[i] != null && colorInterpretation[i].equals(value)) |
| 240 |
colorInterpretation[i] = UNDEF_BAND; |
| 241 |
} |
| 242 |
|
| 243 |
//Se asigna el valor en su entrada. Si excede la longitud se construye uno nuevo m?s largo
|
| 244 |
//que en las celdas existentes es copia del anterior
|
| 245 |
if(band >= 0 && band < colorInterpretation.length) |
| 246 |
colorInterpretation[band] = value; |
| 247 |
else if(band >= colorInterpretation.length) { |
| 248 |
ColorInterpretation copyCI = new DataStoreColorInterpretation(band + 1); |
| 249 |
for (int i = 0; i < colorInterpretation.length; i++) { |
| 250 |
copyCI.setColorInterpValue(i, colorInterpretation[i]); |
| 251 |
} |
| 252 |
colorInterpretation = copyCI.getValues(); |
| 253 |
} |
| 254 |
}catch(ArrayIndexOutOfBoundsException ex) { |
| 255 |
//No asignamos el elemento
|
| 256 |
} |
| 257 |
} |
| 258 |
|
| 259 |
public int getBand(String id) { |
| 260 |
if(colorInterpretation != null) { |
| 261 |
for(int i = 0; i < colorInterpretation.length; i++) |
| 262 |
if(colorInterpretation[i] != null && colorInterpretation[i].equals(id)) |
| 263 |
return i;
|
| 264 |
} |
| 265 |
return -1; |
| 266 |
} |
| 267 |
|
| 268 |
/**
|
| 269 |
* Obtiene la posici?n de las bandas que contienen el identificador pasado por par?metro
|
| 270 |
* o null si no tiene dicho identificador.
|
| 271 |
* @return Lista con las posiciones de las bandas que contienen el identificador o null si no lo tiene.
|
| 272 |
*/
|
| 273 |
public int[] getBands(String id) { |
| 274 |
if(colorInterpretation != null){ |
| 275 |
List<Integer> array = new ArrayList<Integer>(); |
| 276 |
for(int i = 0; i < colorInterpretation.length; i++) |
| 277 |
if(colorInterpretation[i].equals(id))
|
| 278 |
array.add(new Integer(i)); |
| 279 |
int[] list = new int[array.size()]; |
| 280 |
for (int i = 0; i < list.length; i++) |
| 281 |
list[i] = ((Integer)array.get(i)).intValue();
|
| 282 |
return list;
|
| 283 |
} |
| 284 |
return null; |
| 285 |
} |
| 286 |
|
| 287 |
public boolean hasAlphaBand() { |
| 288 |
String[] values = getValues(); |
| 289 |
for (int i = 0; i < values.length; i++) { |
| 290 |
if(values[i] != null && values[i].equals("Alpha")) |
| 291 |
return true; |
| 292 |
} |
| 293 |
return false; |
| 294 |
} |
| 295 |
|
| 296 |
public int length() { |
| 297 |
return colorInterpretation.length;
|
| 298 |
} |
| 299 |
|
| 300 |
public String get(int i) { |
| 301 |
if (i >= colorInterpretation.length)
|
| 302 |
return null; |
| 303 |
return colorInterpretation[i];
|
| 304 |
} |
| 305 |
|
| 306 |
public void addColorInterpretation(ColorInterpretation ci) { |
| 307 |
String[] newCI = new String[colorInterpretation.length + ci.length()]; |
| 308 |
for (int i = 0; i < colorInterpretation.length; i++) |
| 309 |
newCI[i] = colorInterpretation[i]; |
| 310 |
for (int i = 0; i < ci.length(); i++) { |
| 311 |
newCI[colorInterpretation.length + i] = ci.get(i); |
| 312 |
} |
| 313 |
this.colorInterpretation = newCI;
|
| 314 |
} |
| 315 |
|
| 316 |
public boolean isUndefined() { |
| 317 |
for (int i = 0; i < colorInterpretation.length; i++) { |
| 318 |
if (colorInterpretation[i] != null) { |
| 319 |
if (!colorInterpretation[i].equals(UNDEF_BAND) &&
|
| 320 |
!colorInterpretation[i].equals(ALPHA_BAND)) |
| 321 |
return false; |
| 322 |
} |
| 323 |
} |
| 324 |
return true; |
| 325 |
} |
| 326 |
|
| 327 |
public int[] buildRenderBands() { |
| 328 |
if(colorInterpretation == null) |
| 329 |
return null; |
| 330 |
int[] renderBands = new int[]{-1, -1, -1, -1}; |
| 331 |
for (int i = 0; i < colorInterpretation.length; i++) { |
| 332 |
if(colorInterpretation[i].equals(RED_BAND))
|
| 333 |
renderBands[0] = i;
|
| 334 |
if(colorInterpretation[i].equals(GREEN_BAND))
|
| 335 |
renderBands[1] = i;
|
| 336 |
if(colorInterpretation[i].equals(BLUE_BAND))
|
| 337 |
renderBands[2] = i;
|
| 338 |
if(colorInterpretation[i].equals(GRAY_BAND))
|
| 339 |
renderBands[0] = renderBands[1] = renderBands[2] = i; |
| 340 |
if(colorInterpretation[i].equals(RED_GREEN_BAND))
|
| 341 |
renderBands[0] = renderBands[1] = i; |
| 342 |
if(colorInterpretation[i].equals(RED_BLUE_BAND))
|
| 343 |
renderBands[0] = renderBands[2] = i; |
| 344 |
if(colorInterpretation[i].equals(GREEN_BLUE_BAND))
|
| 345 |
renderBands[1] = renderBands[2] = i; |
| 346 |
} |
| 347 |
|
| 348 |
//Ojo! esto no puede hacerse en el bucle anterior pq no detectaria bien casos
|
| 349 |
//como ALPHA_BAND, GRAY_BAND
|
| 350 |
for (int i = 0; i < colorInterpretation.length; i++) { |
| 351 |
if(colorInterpretation[i].equals(ALPHA_BAND))
|
| 352 |
renderBands[3] = i;
|
| 353 |
} |
| 354 |
return renderBands;
|
| 355 |
} |
| 356 |
|
| 357 |
public ColorInterpretation cloneColorInterpretation() {
|
| 358 |
DataStoreColorInterpretation ci = new DataStoreColorInterpretation();
|
| 359 |
String[] l = new String[colorInterpretation.length]; |
| 360 |
for (int i = 0; i < l.length; i++) { |
| 361 |
l[i] = colorInterpretation[i]; |
| 362 |
} |
| 363 |
ci.colorInterpretation = l; |
| 364 |
return ci;
|
| 365 |
} |
| 366 |
|
| 367 |
public static DynStruct registerDynClass() { |
| 368 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
| 369 |
DynStruct definition = manager.getDefinition("Color_Interpretation_Persistent");
|
| 370 |
if( definition == null ) { |
| 371 |
definition = manager.addDefinition( |
| 372 |
DataStoreColorInterpretation.class, |
| 373 |
"Color_Interpretation_Persistent",
|
| 374 |
"Color interpretation Persistent definition (FIXME)",
|
| 375 |
null,
|
| 376 |
null
|
| 377 |
); |
| 378 |
} |
| 379 |
|
| 380 |
definition.addDynFieldList("colorinterpretation")
|
| 381 |
.setClassOfItems(String.class)
|
| 382 |
.setMandatory(false);
|
| 383 |
|
| 384 |
return definition;
|
| 385 |
} |
| 386 |
|
| 387 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 388 |
if(colorInterpretation != null && colorInterpretation.length > 0) |
| 389 |
state.set("colorinterpretation", Arrays.asList(colorInterpretation)); |
| 390 |
} |
| 391 |
|
| 392 |
@SuppressWarnings("unchecked") |
| 393 |
public void loadFromState(PersistentState state) |
| 394 |
throws PersistenceException {
|
| 395 |
List<String> descriptions = (List<String>) state.get("colorinterpretation"); |
| 396 |
setValues(descriptions.toArray(new String[descriptions.size()])); |
| 397 |
} |
| 398 |
} |