svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.labeling.app / org.gvsig.labeling.app.mainplugin / src / main / java / org / gvsig / labeling / label / GeneralLabelingStrategy.java @ 42171
History | View | Annotate | Download (29.7 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2005 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 |
* For more information, contact:
|
| 20 |
*
|
| 21 |
* Generalitat Valenciana
|
| 22 |
* Conselleria d'Infraestructures i Transport
|
| 23 |
* Av. Blasco Ib??ez, 50
|
| 24 |
* 46010 VALENCIA
|
| 25 |
* SPAIN
|
| 26 |
*
|
| 27 |
* +34 963862235
|
| 28 |
* gvsig@gva.es
|
| 29 |
* www.gvsig.gva.es
|
| 30 |
*
|
| 31 |
* or
|
| 32 |
*
|
| 33 |
* IVER T.I. S.A
|
| 34 |
* Salamanca 50
|
| 35 |
* 46005 Valencia
|
| 36 |
* Spain
|
| 37 |
*
|
| 38 |
* +34 963163400
|
| 39 |
* dac@iver.es
|
| 40 |
*/
|
| 41 |
|
| 42 |
/* CVS MESSAGES:
|
| 43 |
*
|
| 44 |
* $Id: GeneralLabelingStrategy.java 13749 2007-09-17 14:16:11Z jaume $
|
| 45 |
* $Log$
|
| 46 |
* Revision 1.2 2007-09-17 14:16:11 jaume
|
| 47 |
* multilayer symbols sizing bug fixed
|
| 48 |
*
|
| 49 |
* Revision 1.1 2007/05/22 12:17:41 jaume
|
| 50 |
* *** empty log message ***
|
| 51 |
*
|
| 52 |
* Revision 1.1 2007/05/22 10:05:31 jaume
|
| 53 |
* *** empty log message ***
|
| 54 |
*
|
| 55 |
* Revision 1.10 2007/05/17 09:32:06 jaume
|
| 56 |
* *** empty log message ***
|
| 57 |
*
|
| 58 |
* Revision 1.9 2007/05/09 11:04:58 jaume
|
| 59 |
* refactored legend hierarchy
|
| 60 |
*
|
| 61 |
* Revision 1.8 2007/04/13 11:59:30 jaume
|
| 62 |
* *** empty log message ***
|
| 63 |
*
|
| 64 |
* Revision 1.7 2007/04/12 14:28:43 jaume
|
| 65 |
* basic labeling support for lines
|
| 66 |
*
|
| 67 |
* Revision 1.6 2007/04/11 16:01:08 jaume
|
| 68 |
* maybe a label placer refactor
|
| 69 |
*
|
| 70 |
* Revision 1.5 2007/04/10 16:34:01 jaume
|
| 71 |
* towards a styled labeling
|
| 72 |
*
|
| 73 |
* Revision 1.4 2007/04/02 16:34:56 jaume
|
| 74 |
* Styled labeling (start commiting)
|
| 75 |
*
|
| 76 |
* Revision 1.3 2007/03/28 16:48:01 jaume
|
| 77 |
* *** empty log message ***
|
| 78 |
*
|
| 79 |
* Revision 1.2 2007/03/26 14:40:38 jaume
|
| 80 |
* added print method (BUT UNIMPLEMENTED)
|
| 81 |
*
|
| 82 |
* Revision 1.1 2007/03/20 16:16:20 jaume
|
| 83 |
* refactored to use ISymbol instead of FSymbol
|
| 84 |
*
|
| 85 |
* Revision 1.2 2007/03/09 11:20:57 jaume
|
| 86 |
* Advanced symbology (start committing)
|
| 87 |
*
|
| 88 |
* Revision 1.1 2007/03/09 08:33:43 jaume
|
| 89 |
* *** empty log message ***
|
| 90 |
*
|
| 91 |
* Revision 1.1.2.5 2007/02/21 07:34:08 jaume
|
| 92 |
* labeling starts working
|
| 93 |
*
|
| 94 |
* Revision 1.1.2.4 2007/02/15 16:23:44 jaume
|
| 95 |
* *** empty log message ***
|
| 96 |
*
|
| 97 |
* Revision 1.1.2.3 2007/02/09 07:47:05 jaume
|
| 98 |
* Isymbol moved
|
| 99 |
*
|
| 100 |
* Revision 1.1.2.2 2007/02/02 16:21:24 jaume
|
| 101 |
* start commiting labeling stuff
|
| 102 |
*
|
| 103 |
* Revision 1.1.2.1 2007/02/01 17:46:49 jaume
|
| 104 |
* *** empty log message ***
|
| 105 |
*
|
| 106 |
*
|
| 107 |
*/
|
| 108 |
package org.gvsig.labeling.label; |
| 109 |
|
| 110 |
import java.awt.Graphics2D; |
| 111 |
import java.awt.geom.Point2D; |
| 112 |
import java.awt.image.BufferedImage; |
| 113 |
import java.util.ArrayList; |
| 114 |
import java.util.HashMap; |
| 115 |
import java.util.Iterator; |
| 116 |
import java.util.List; |
| 117 |
import java.util.Map; |
| 118 |
import java.util.TreeMap; |
| 119 |
import java.util.TreeSet; |
| 120 |
|
| 121 |
import org.gvsig.compat.print.PrintAttributes; |
| 122 |
import org.gvsig.fmap.dal.exception.DataException; |
| 123 |
import org.gvsig.fmap.dal.exception.ReadException; |
| 124 |
import org.gvsig.fmap.dal.feature.Feature; |
| 125 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
| 126 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
| 127 |
import org.gvsig.fmap.geom.Geometry; |
| 128 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
| 129 |
import org.gvsig.fmap.geom.Geometry.TYPES; |
| 130 |
import org.gvsig.fmap.geom.GeometryException; |
| 131 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 132 |
import org.gvsig.fmap.geom.GeometryManager; |
| 133 |
import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
| 134 |
import org.gvsig.fmap.geom.primitive.Envelope; |
| 135 |
import org.gvsig.fmap.geom.primitive.Point; |
| 136 |
import org.gvsig.fmap.geom.type.GeometryType; |
| 137 |
import org.gvsig.fmap.mapcontext.ViewPort; |
| 138 |
import org.gvsig.fmap.mapcontext.layers.FLayer; |
| 139 |
import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
| 140 |
import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass; |
| 141 |
import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelingMethod; |
| 142 |
import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelingStrategy; |
| 143 |
import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints; |
| 144 |
import org.gvsig.fmap.mapcontext.rendering.legend.styling.IZoomConstraints; |
| 145 |
import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
| 146 |
import org.gvsig.i18n.Messages; |
| 147 |
import org.gvsig.labeling.lang.LabelClassUtils; |
| 148 |
import org.gvsig.labeling.placements.ILabelPlacement; |
| 149 |
import org.gvsig.labeling.placements.LinePlacementConstraints; |
| 150 |
import org.gvsig.labeling.placements.MultiShapePlacementConstraints; |
| 151 |
import org.gvsig.labeling.placements.PlacementManager; |
| 152 |
import org.gvsig.labeling.placements.PointPlacementConstraints; |
| 153 |
import org.gvsig.labeling.placements.PolygonPlacementConstraints; |
| 154 |
import org.gvsig.labeling.placements.RemoveDuplicatesComparator; |
| 155 |
import org.gvsig.labeling.symbol.SmartTextSymbol; |
| 156 |
import org.gvsig.labeling.symbol.SymbolUtils; |
| 157 |
import org.gvsig.symbology.SymbologyLocator; |
| 158 |
import org.gvsig.symbology.fmap.mapcontext.rendering.legend.styling.LabelLocationMetrics; |
| 159 |
import org.gvsig.tools.ToolsLocator; |
| 160 |
import org.gvsig.tools.dispose.DisposableIterator; |
| 161 |
import org.gvsig.tools.dynobject.DynStruct; |
| 162 |
import org.gvsig.tools.persistence.PersistenceManager; |
| 163 |
import org.gvsig.tools.persistence.PersistentState; |
| 164 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
| 165 |
import org.gvsig.tools.task.Cancellable; |
| 166 |
import org.slf4j.Logger; |
| 167 |
import org.slf4j.LoggerFactory; |
| 168 |
|
| 169 |
/**
|
| 170 |
*
|
| 171 |
* GeneralLabelingStrategy.java
|
| 172 |
*
|
| 173 |
*
|
| 174 |
* @author jaume dominguez faus - jaume.dominguez@iver.es Jan 4, 2008
|
| 175 |
*
|
| 176 |
*/
|
| 177 |
public class GeneralLabelingStrategy implements ILabelingStrategy, Cloneable, |
| 178 |
CartographicSupport {
|
| 179 |
|
| 180 |
private static final Logger logger = LoggerFactory |
| 181 |
.getLogger(GeneralLabelingStrategy.class); |
| 182 |
|
| 183 |
public static final String GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME = "GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME"; |
| 184 |
|
| 185 |
public static PointPlacementConstraints DefaultPointPlacementConstraints = new PointPlacementConstraints(); |
| 186 |
public static LinePlacementConstraints DefaultLinePlacementConstraints = new LinePlacementConstraints(); |
| 187 |
public static PolygonPlacementConstraints DefaultPolygonPlacementConstraints = new PolygonPlacementConstraints(); |
| 188 |
|
| 189 |
private static String[] NO_TEXT = { Messages.getText("text_field") }; |
| 190 |
|
| 191 |
private static MultiShapePlacementConstraints DefaultMultiShapePlacementConstratints = new MultiShapePlacementConstraints(); |
| 192 |
|
| 193 |
private ILabelingMethod method;
|
| 194 |
private IPlacementConstraints placementConstraints;
|
| 195 |
private IZoomConstraints zoomConstraints;
|
| 196 |
|
| 197 |
private boolean allowOverlapping; |
| 198 |
|
| 199 |
protected FLyrVect layer;
|
| 200 |
|
| 201 |
// private long parseTime;
|
| 202 |
private int unit; |
| 203 |
private int referenceSystem; |
| 204 |
// private double sizeAfter;
|
| 205 |
private boolean printMode = false; /* |
| 206 |
* indicate whether output is for a
|
| 207 |
* print product (PDF, PS, ...)
|
| 208 |
*/
|
| 209 |
|
| 210 |
public GeneralLabelingStrategy() {
|
| 211 |
method = SymbologyLocator.getSymbologyManager() |
| 212 |
.createDefaultLabelingMethod(); |
| 213 |
} |
| 214 |
|
| 215 |
public void setLayer(FLayer layer) { |
| 216 |
FLyrVect l = (FLyrVect) layer; |
| 217 |
this.layer = l;
|
| 218 |
} |
| 219 |
|
| 220 |
public ILabelingMethod getLabelingMethod() {
|
| 221 |
return method;
|
| 222 |
} |
| 223 |
|
| 224 |
public void setLabelingMethod(ILabelingMethod method) { |
| 225 |
this.method = method;
|
| 226 |
} |
| 227 |
|
| 228 |
private class GeometryItem { |
| 229 |
public Geometry geom = null; |
| 230 |
public int weigh = 0; |
| 231 |
public double savedPerimeter; |
| 232 |
|
| 233 |
public GeometryItem(Geometry geom, int weigh) { |
| 234 |
this.geom = geom;
|
| 235 |
this.weigh = weigh;
|
| 236 |
this.savedPerimeter = 0; |
| 237 |
} |
| 238 |
} |
| 239 |
|
| 240 |
public void draw(BufferedImage mapImage, Graphics2D mapGraphics, |
| 241 |
double scale, ViewPort viewPort, Cancellable cancel, double dpi) |
| 242 |
throws ReadException {
|
| 243 |
|
| 244 |
int x = (int) viewPort.getOffset().getX(); |
| 245 |
int y = (int) viewPort.getOffset().getY(); |
| 246 |
|
| 247 |
// offsets for page generation (PDF, PS, direct printing)
|
| 248 |
int print_offset_x = x;
|
| 249 |
int print_offset_y = y;
|
| 250 |
if (printMode) {
|
| 251 |
// for printing, we never offset the labels themselves
|
| 252 |
x = 0;
|
| 253 |
y = 0;
|
| 254 |
printMode = false;
|
| 255 |
} |
| 256 |
|
| 257 |
TreeMap<String[], GeometryItem> labelsToPlace = null; |
| 258 |
|
| 259 |
String[] usedFields = getUsedFields(); |
| 260 |
|
| 261 |
int notPlacedCount = 0; |
| 262 |
int placedCount = 0; |
| 263 |
|
| 264 |
/*
|
| 265 |
* Get the label placement solvers according the user's settings
|
| 266 |
*/
|
| 267 |
ILabelPlacement placement = PlacementManager.getPlacement( |
| 268 |
getPlacementConstraints(), layer.getShapeType()); |
| 269 |
|
| 270 |
BufferedImage targetBI;
|
| 271 |
Graphics2D targetGr;
|
| 272 |
|
| 273 |
/*
|
| 274 |
* get an ordered set of the LabelClasses up on the label priority
|
| 275 |
*/
|
| 276 |
ILabelClass[] lcs = method.getLabelClasses();
|
| 277 |
TreeSet<ILabelClass> ts = new TreeSet<ILabelClass>( |
| 278 |
new LabelClassComparatorByPriority());
|
| 279 |
|
| 280 |
for (int i = 0; i < lcs.length; i++) |
| 281 |
ts.add(lcs[i]); |
| 282 |
|
| 283 |
if (ts.size() == 0) |
| 284 |
return;
|
| 285 |
|
| 286 |
/*
|
| 287 |
* now we have an ordered set, it is only need to give a pass for each
|
| 288 |
* label class to render by priorities.
|
| 289 |
*
|
| 290 |
* If no priorities were defined, the following loop only executes once
|
| 291 |
*/
|
| 292 |
for (ILabelClass lc : ts) {
|
| 293 |
|
| 294 |
if (!lc.isVisible(scale)) {
|
| 295 |
/*
|
| 296 |
* Avoid non-visible labels
|
| 297 |
*/
|
| 298 |
continue;
|
| 299 |
} |
| 300 |
|
| 301 |
FeatureSet fset = null;
|
| 302 |
DisposableIterator diter = null;
|
| 303 |
try {
|
| 304 |
|
| 305 |
try {
|
| 306 |
fset = method.getFeatureIteratorByLabelClass(layer, lc, |
| 307 |
viewPort, usedFields); |
| 308 |
} catch (DataException e) {
|
| 309 |
throw new ReadException(layer.getFeatureStore() |
| 310 |
.getProviderName(), e); |
| 311 |
} |
| 312 |
|
| 313 |
// duplicates treatment stuff
|
| 314 |
/* handle the duplicates mode */
|
| 315 |
int duplicateMode = getDuplicateLabelsMode();
|
| 316 |
if (duplicateMode == IPlacementConstraints.REMOVE_DUPLICATE_LABELS) {
|
| 317 |
// we need to register the labels already placed
|
| 318 |
|
| 319 |
labelsToPlace = new TreeMap<String[], GeometryItem>( |
| 320 |
new RemoveDuplicatesComparator());
|
| 321 |
} |
| 322 |
|
| 323 |
boolean bLabelsReallocatable = !isAllowingOverlap();
|
| 324 |
|
| 325 |
BufferedImage overlapDetectImage = null; |
| 326 |
Graphics2D overlapDetectGraphics = null; |
| 327 |
if (bLabelsReallocatable) {
|
| 328 |
int width = viewPort.getImageWidth() + print_offset_x;
|
| 329 |
|
| 330 |
if (width < 0) { |
| 331 |
width = 1;
|
| 332 |
} |
| 333 |
int height = viewPort.getImageHeight() + print_offset_y;
|
| 334 |
if (height < 0) { |
| 335 |
height = 1;
|
| 336 |
} |
| 337 |
if (mapImage != null) |
| 338 |
overlapDetectImage = new BufferedImage( |
| 339 |
mapImage.getWidth() + print_offset_x, |
| 340 |
mapImage.getHeight() + print_offset_y, |
| 341 |
BufferedImage.TYPE_INT_ARGB);
|
| 342 |
else
|
| 343 |
overlapDetectImage = new BufferedImage( |
| 344 |
viewPort.getImageWidth() + print_offset_x, |
| 345 |
viewPort.getImageHeight() + print_offset_y, |
| 346 |
BufferedImage.TYPE_INT_ARGB);
|
| 347 |
|
| 348 |
overlapDetectGraphics = overlapDetectImage.createGraphics(); |
| 349 |
overlapDetectGraphics.setRenderingHints(mapGraphics |
| 350 |
.getRenderingHints()); |
| 351 |
} |
| 352 |
if (bLabelsReallocatable) {
|
| 353 |
targetBI = overlapDetectImage; |
| 354 |
targetGr = overlapDetectGraphics; |
| 355 |
targetGr.translate(-x, -y); |
| 356 |
} else {
|
| 357 |
targetBI = mapImage; |
| 358 |
targetGr = mapGraphics; |
| 359 |
} |
| 360 |
|
| 361 |
try {
|
| 362 |
diter = fset.fastIterator(); |
| 363 |
} catch (DataException e) {
|
| 364 |
throw new ReadException(layer.getFeatureStore() |
| 365 |
.getProviderName(), e); |
| 366 |
} |
| 367 |
Feature featu = null;
|
| 368 |
Geometry geome = null;
|
| 369 |
|
| 370 |
while (!cancel.isCanceled() && diter.hasNext()) {
|
| 371 |
|
| 372 |
featu = (Feature) diter.next(); |
| 373 |
geome = featu.getDefaultGeometry(); |
| 374 |
if (geome == null || geome.getType() == Geometry.TYPES.NULL) { |
| 375 |
continue;
|
| 376 |
} |
| 377 |
|
| 378 |
if (!setupLabel(featu, lc, cancel, usedFields, viewPort,
|
| 379 |
dpi, duplicateMode)) {
|
| 380 |
continue;
|
| 381 |
} |
| 382 |
|
| 383 |
String[] texts = lc.getTexts(); |
| 384 |
|
| 385 |
if (duplicateMode == IPlacementConstraints.REMOVE_DUPLICATE_LABELS) {
|
| 386 |
// check if this text (so label) is already present in
|
| 387 |
// the map
|
| 388 |
|
| 389 |
GeometryItem item = labelsToPlace.get(texts); |
| 390 |
if (item == null) { |
| 391 |
item = new GeometryItem(geome, 0); |
| 392 |
labelsToPlace.put(texts, item); |
| 393 |
} |
| 394 |
if (item.geom != null) { |
| 395 |
|
| 396 |
notPlacedCount++; |
| 397 |
if (geome.getType() != Geometry.TYPES.POINT) {
|
| 398 |
|
| 399 |
Envelope auxBox = geome.getEnvelope(); |
| 400 |
double perimeterAux = 2 * (auxBox.getLength(0) + auxBox |
| 401 |
.getLength(1));
|
| 402 |
if (perimeterAux > item.savedPerimeter) {
|
| 403 |
item.geom = geome; // FConverter.jts_to_igeometry(jtsGeom);
|
| 404 |
item.savedPerimeter = perimeterAux; |
| 405 |
} |
| 406 |
} else {
|
| 407 |
int weigh = item.weigh;
|
| 408 |
|
| 409 |
try {
|
| 410 |
Point pointFromLabel = item.geom.centroid();
|
| 411 |
Point pointGeome = geome.centroid();
|
| 412 |
item.geom = GeometryLocator |
| 413 |
.getGeometryManager() |
| 414 |
.createPoint( |
| 415 |
(pointFromLabel.getX() |
| 416 |
* weigh + pointGeome.getX()) |
| 417 |
/ (weigh + 1),
|
| 418 |
(pointFromLabel.getY() |
| 419 |
* weigh + pointGeome |
| 420 |
.getY()) |
| 421 |
/ (weigh + 1),
|
| 422 |
Geometry.SUBTYPES.GEOM2D); |
| 423 |
} catch (Exception ex) { |
| 424 |
throw new ReadException(layer |
| 425 |
.getFeatureStore() |
| 426 |
.getProviderName(), ex); |
| 427 |
} |
| 428 |
|
| 429 |
} |
| 430 |
} else {
|
| 431 |
item.geom = geome; |
| 432 |
} |
| 433 |
item.weigh++; |
| 434 |
} else {
|
| 435 |
// Check if size is a pixel
|
| 436 |
if (isOnePoint(viewPort, geome)) {
|
| 437 |
continue;
|
| 438 |
} |
| 439 |
|
| 440 |
List<Geometry> geome_parts = new ArrayList<Geometry>(); |
| 441 |
if (duplicateMode == IPlacementConstraints.ONE_LABEL_PER_FEATURE_PART) {
|
| 442 |
geome_parts = getGeometryParts(geome); |
| 443 |
} else {
|
| 444 |
geome_parts.add(geome); |
| 445 |
} |
| 446 |
|
| 447 |
try {
|
| 448 |
int n = geome_parts.size();
|
| 449 |
for (int k = 0; k < n; k++) { |
| 450 |
drawLabelInGeom(targetBI, targetGr, lc, |
| 451 |
placement, viewPort, |
| 452 |
geome_parts.get(k), cancel, dpi, |
| 453 |
bLabelsReallocatable); |
| 454 |
} |
| 455 |
} catch (GeometryException e) {
|
| 456 |
throw new ReadException(layer.getFeatureStore() |
| 457 |
.getProviderName(), e); |
| 458 |
} |
| 459 |
|
| 460 |
placedCount++; |
| 461 |
} |
| 462 |
} |
| 463 |
|
| 464 |
// ======= End iteration in feature set ====================
|
| 465 |
|
| 466 |
if (duplicateMode == IPlacementConstraints.REMOVE_DUPLICATE_LABELS) {
|
| 467 |
Iterator<String[]> textsIt = labelsToPlace.keySet() |
| 468 |
.iterator(); |
| 469 |
while (!cancel.isCanceled() && textsIt.hasNext()) {
|
| 470 |
notPlacedCount++; |
| 471 |
String[] texts = textsIt.next(); |
| 472 |
|
| 473 |
GeometryItem item = labelsToPlace.get(texts); |
| 474 |
if (item != null) { |
| 475 |
lc.setTexts(texts); |
| 476 |
// Check if size is a pixel
|
| 477 |
if (isOnePoint(viewPort, item.geom)) {
|
| 478 |
continue;
|
| 479 |
} |
| 480 |
|
| 481 |
try {
|
| 482 |
drawLabelInGeom(targetBI, targetGr, lc, |
| 483 |
placement, viewPort, item.geom, cancel, |
| 484 |
dpi, bLabelsReallocatable); |
| 485 |
} catch (GeometryException e) {
|
| 486 |
throw new ReadException(layer.getFeatureStore() |
| 487 |
.getProviderName(), e); |
| 488 |
} |
| 489 |
} |
| 490 |
} |
| 491 |
} |
| 492 |
|
| 493 |
if (bLabelsReallocatable) {
|
| 494 |
targetGr.translate(x, y); |
| 495 |
if (mapImage != null) { |
| 496 |
mapGraphics.drawImage(overlapDetectImage, null, null); |
| 497 |
} else {
|
| 498 |
mapGraphics.drawImage(overlapDetectImage, null, null); |
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
} finally {
|
| 503 |
if (diter != null) { |
| 504 |
diter.dispose(); |
| 505 |
} |
| 506 |
if (fset != null){ |
| 507 |
fset.dispose(); |
| 508 |
} |
| 509 |
} |
| 510 |
} // big iteration
|
| 511 |
|
| 512 |
} |
| 513 |
|
| 514 |
private List<Geometry> getGeometryParts(Geometry ge) { |
| 515 |
|
| 516 |
List<Geometry> resp = new ArrayList<Geometry>(); |
| 517 |
if (ge != null) { |
| 518 |
if (ge instanceof MultiPrimitive) { |
| 519 |
MultiPrimitive mp = (MultiPrimitive) ge; |
| 520 |
int n = mp.getPrimitivesNumber();
|
| 521 |
for (int i = 0; i < n; i++) { |
| 522 |
resp.add(mp.getPrimitiveAt(i)); |
| 523 |
} |
| 524 |
} else {
|
| 525 |
resp.add(ge); |
| 526 |
} |
| 527 |
} |
| 528 |
return resp;
|
| 529 |
} |
| 530 |
|
| 531 |
private void drawLabelInGeom(BufferedImage targetBI, Graphics2D targetGr, |
| 532 |
ILabelClass lc, ILabelPlacement placement, ViewPort viewPort, |
| 533 |
Geometry geom, Cancellable cancel, double dpi,
|
| 534 |
boolean bLabelsReallocatable) throws GeometryException { |
| 535 |
|
| 536 |
lc.toCartographicSize(viewPort, dpi, null);
|
| 537 |
ArrayList<LabelLocationMetrics> llm = null; |
| 538 |
llm = placement.guess(lc, geom, getPlacementConstraints(), 0, cancel,
|
| 539 |
viewPort); |
| 540 |
|
| 541 |
setReferenceSystem(lc.getReferenceSystem()); |
| 542 |
setUnit(lc.getUnit()); |
| 543 |
|
| 544 |
/*
|
| 545 |
* search if there is room left by the previous and with more priority
|
| 546 |
* labels, then check the current level
|
| 547 |
*/
|
| 548 |
lookupAndPlaceLabel(targetBI, targetGr, llm, placement, lc, geom, |
| 549 |
viewPort, cancel, bLabelsReallocatable); |
| 550 |
|
| 551 |
} |
| 552 |
|
| 553 |
private int getDuplicateLabelsMode() { |
| 554 |
if (getPlacementConstraints() == null) { |
| 555 |
return IPlacementConstraints.DefaultDuplicateLabelsMode;
|
| 556 |
} |
| 557 |
return getPlacementConstraints().getDuplicateLabelsMode();
|
| 558 |
} |
| 559 |
|
| 560 |
private boolean lookupAndPlaceLabel(BufferedImage bi, Graphics2D g, |
| 561 |
ArrayList<LabelLocationMetrics> llm, ILabelPlacement placement,
|
| 562 |
ILabelClass lc, Geometry geom, ViewPort viewPort, |
| 563 |
Cancellable cancel, boolean bLabelsReallocatable)
|
| 564 |
throws GeometryException {
|
| 565 |
|
| 566 |
int i;
|
| 567 |
for (i = 0; !cancel.isCanceled() && i < llm.size(); i++) { |
| 568 |
LabelLocationMetrics labelMetrics = llm.get(i); |
| 569 |
|
| 570 |
IPlacementConstraints pc = getPlacementConstraints(); |
| 571 |
if (pc instanceof MultiShapePlacementConstraints) { |
| 572 |
MultiShapePlacementConstraints mpc = (MultiShapePlacementConstraints) pc; |
| 573 |
|
| 574 |
GeometryManager gm = GeometryLocator.getGeometryManager(); |
| 575 |
GeometryType line_gt = null;
|
| 576 |
GeometryType polyg_gt = null;
|
| 577 |
GeometryType geom_gt = null;
|
| 578 |
|
| 579 |
line_gt = gm.getGeometryType(TYPES.CURVE, SUBTYPES.GEOM2D); |
| 580 |
polyg_gt = gm.getGeometryType(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 581 |
geom_gt = gm.getGeometryType(geom.getType(), SUBTYPES.GEOM2D); |
| 582 |
|
| 583 |
if (geom_gt.getType() == TYPES.POINT
|
| 584 |
|| geom_gt.getType() == TYPES.MULTIPOINT) {
|
| 585 |
pc = mpc.getPointConstraints(); |
| 586 |
} else {
|
| 587 |
if (geom_gt.isTypeOf(TYPES.CURVE)
|
| 588 |
|| geom_gt.getType() == TYPES.MULTICURVE) {
|
| 589 |
pc = mpc.getLineConstraints(); |
| 590 |
} else {
|
| 591 |
if (geom_gt.isTypeOf(TYPES.SURFACE)
|
| 592 |
|| geom_gt.getType() == TYPES.MULTISURFACE) {
|
| 593 |
pc = mpc.getPolygonConstraints(); |
| 594 |
} |
| 595 |
} |
| 596 |
} |
| 597 |
} |
| 598 |
|
| 599 |
/*
|
| 600 |
* Ver comentario en el metodo drawLabelInGeom
|
| 601 |
*/
|
| 602 |
if (bLabelsReallocatable) {
|
| 603 |
|
| 604 |
Geometry aux_geom = null;
|
| 605 |
aux_geom = lc.getShape(labelMetrics); |
| 606 |
|
| 607 |
if (!isOverlapping(bi, aux_geom)) {
|
| 608 |
|
| 609 |
if (!pc.isFollowingLine()) {
|
| 610 |
lc.draw(g, labelMetrics, geom); |
| 611 |
} else {
|
| 612 |
|
| 613 |
ILabelClass smsLc = new SmartTextSymbolLabelClass();
|
| 614 |
SmartTextSymbol sms = new SmartTextSymbol(
|
| 615 |
lc.getTextSymbol(), pc); |
| 616 |
|
| 617 |
double sizeBefore = lc.getTextSymbol().getFont()
|
| 618 |
.getSize(); |
| 619 |
double sizeAfter = SymbolUtils.getCartographicLength(
|
| 620 |
this, sizeBefore, viewPort, viewPort.getDPI());
|
| 621 |
sms.setFontSize(sizeAfter); |
| 622 |
|
| 623 |
smsLc.setTextSymbol(sms); |
| 624 |
geom.transform(viewPort.getAffineTransform()); |
| 625 |
smsLc.draw(g, null, geom);
|
| 626 |
sms.setFontSize(sizeBefore); |
| 627 |
|
| 628 |
} |
| 629 |
return true; |
| 630 |
} |
| 631 |
} else {
|
| 632 |
if (!pc.isFollowingLine()) {
|
| 633 |
lc.draw(g, labelMetrics, null);
|
| 634 |
} else {
|
| 635 |
ILabelClass smsLc = new SmartTextSymbolLabelClass();
|
| 636 |
SmartTextSymbol sms = new SmartTextSymbol(
|
| 637 |
lc.getTextSymbol(), pc); |
| 638 |
|
| 639 |
double sizeBefore = lc.getTextSymbol().getFont().getSize();
|
| 640 |
double sizeAfter = SymbolUtils.getCartographicLength(this, |
| 641 |
sizeBefore, viewPort, viewPort.getDPI()); |
| 642 |
sms.setFontSize(sizeAfter); |
| 643 |
|
| 644 |
smsLc.setTextSymbol(sms); |
| 645 |
geom.transform(viewPort.getAffineTransform()); |
| 646 |
smsLc.draw(g, null, geom);
|
| 647 |
|
| 648 |
sms.setFontSize(sizeBefore); |
| 649 |
} |
| 650 |
return true; |
| 651 |
} |
| 652 |
} |
| 653 |
return false; |
| 654 |
} |
| 655 |
|
| 656 |
/**
|
| 657 |
* Divide una cadena de caracteres por el caracter dos puntos siempre que no
|
| 658 |
* est? entre comillas.
|
| 659 |
*
|
| 660 |
* @param str
|
| 661 |
* Cadena de caracteres
|
| 662 |
*
|
| 663 |
* @return String[]
|
| 664 |
*
|
| 665 |
*/
|
| 666 |
private String[] divideExpression(String str) { |
| 667 |
ArrayList<String> r = new ArrayList<String>(); |
| 668 |
boolean inQuotationMarks = false; |
| 669 |
int lastIndex = 0; |
| 670 |
for (int i = 0; i < str.length(); i++) { |
| 671 |
String currentChar = str.substring(i, i + 1); |
| 672 |
if (currentChar.compareTo("\"") == 0 ) { |
| 673 |
inQuotationMarks = !inQuotationMarks; |
| 674 |
// Si es el cierre de las comillas
|
| 675 |
if(!inQuotationMarks){
|
| 676 |
r.add(str.substring(lastIndex, i + 1).replace("\"", "'")); |
| 677 |
lastIndex = i + 1;
|
| 678 |
} |
| 679 |
} |
| 680 |
if (currentChar.compareTo(":") == 0 |
| 681 |
&& !inQuotationMarks) {
|
| 682 |
if (lastIndex < i) {
|
| 683 |
r.add(str.substring(lastIndex, i)); |
| 684 |
} |
| 685 |
lastIndex = i + 1;
|
| 686 |
} |
| 687 |
} |
| 688 |
if (lastIndex < str.length() - 1) { |
| 689 |
r.add(str.substring(lastIndex)); |
| 690 |
} |
| 691 |
String[] result = new String[r.size()]; |
| 692 |
r.toArray(result); |
| 693 |
return result;
|
| 694 |
} |
| 695 |
|
| 696 |
/**
|
| 697 |
* Compute the texts to show in the label and store them in LabelClass.
|
| 698 |
*/
|
| 699 |
@SuppressWarnings("unchecked") |
| 700 |
private boolean setupLabel(Feature featu, ILabelClass lc, |
| 701 |
Cancellable cancel, String[] usedFields, ViewPort viewPort, |
| 702 |
double dpi, int duplicateMode) { |
| 703 |
|
| 704 |
String expr = lc.getStringLabelExpression();
|
| 705 |
|
| 706 |
long pt1 = System.currentTimeMillis(); |
| 707 |
String[] texts = NO_TEXT; |
| 708 |
List<String> preTexts = new ArrayList<String>(); |
| 709 |
try {
|
| 710 |
if (expr != null) { |
| 711 |
|
| 712 |
if (expr.equals("")) { |
| 713 |
expr = texts[0];
|
| 714 |
} |
| 715 |
|
| 716 |
String[] multiexpr = divideExpression(expr); |
| 717 |
for (int i = 0; i < multiexpr.length; i++) { |
| 718 |
|
| 719 |
expr = multiexpr[i]; |
| 720 |
Object res = LabelClassUtils.evaluate(expr,
|
| 721 |
featu.getEvaluatorData()); |
| 722 |
if (res != null) { |
| 723 |
preTexts.add(res.toString()); |
| 724 |
} else {
|
| 725 |
preTexts.add("");
|
| 726 |
} |
| 727 |
} |
| 728 |
texts = new String[preTexts.size()]; |
| 729 |
preTexts.toArray(texts); |
| 730 |
// parseTime += System.currentTimeMillis()-pt1;
|
| 731 |
} |
| 732 |
lc.setTexts(texts); |
| 733 |
|
| 734 |
} catch (Exception e) { |
| 735 |
logger.warn("While setting up label", e);
|
| 736 |
return false; |
| 737 |
} |
| 738 |
return true; |
| 739 |
} |
| 740 |
|
| 741 |
private boolean isOverlapping(BufferedImage bi, Geometry lblgeom) { |
| 742 |
|
| 743 |
if (lblgeom == null || lblgeom.getType() == TYPES.NULL) { |
| 744 |
return false; |
| 745 |
} |
| 746 |
|
| 747 |
Envelope rPixels = lblgeom.getEnvelope(); |
| 748 |
int minx = (int) rPixels.getMinimum(0); |
| 749 |
int miny = (int) rPixels.getMinimum(1); |
| 750 |
int maxx = (int) rPixels.getMaximum(0); |
| 751 |
int maxy = (int) rPixels.getMaximum(1); |
| 752 |
|
| 753 |
for (int i = minx; i <= maxx; i++) { |
| 754 |
for (int j = miny; j <= maxy; j++) { |
| 755 |
|
| 756 |
if (!lblgeom.contains(i, j)
|
| 757 |
// contains seems to don't detect points
|
| 758 |
// placed in the rectangle boundaries
|
| 759 |
&& !lblgeom.intersects(i, j, i, j)) {
|
| 760 |
continue;
|
| 761 |
} |
| 762 |
|
| 763 |
if (i < 0 || j < 0) { |
| 764 |
continue;
|
| 765 |
} |
| 766 |
|
| 767 |
if (bi.getWidth() < i + 1 || bi.getHeight() < j + 1) { |
| 768 |
continue;
|
| 769 |
} |
| 770 |
|
| 771 |
if (bi.getRGB(i, j) != 0) { |
| 772 |
return true; |
| 773 |
} |
| 774 |
} |
| 775 |
} |
| 776 |
return false; |
| 777 |
} |
| 778 |
|
| 779 |
private boolean isOnePoint(ViewPort viewPort, Geometry geom) { |
| 780 |
|
| 781 |
boolean onePoint = false; |
| 782 |
int shapeType = geom.getType();
|
| 783 |
|
| 784 |
if (shapeType != TYPES.POINT && shapeType != TYPES.MULTIPOINT) {
|
| 785 |
|
| 786 |
Envelope env = geom.getEnvelope(); |
| 787 |
double dist1Pixel = viewPort.getDist1pixel();
|
| 788 |
onePoint = (env.getLength(0) <= dist1Pixel && env.getLength(1) <= dist1Pixel); |
| 789 |
} |
| 790 |
return onePoint;
|
| 791 |
} |
| 792 |
|
| 793 |
public boolean isAllowingOverlap() { |
| 794 |
return allowOverlapping;
|
| 795 |
} |
| 796 |
|
| 797 |
public void setAllowOverlapping(boolean allowOverlapping) { |
| 798 |
this.allowOverlapping = allowOverlapping;
|
| 799 |
} |
| 800 |
|
| 801 |
public IPlacementConstraints getPlacementConstraints() {
|
| 802 |
if (placementConstraints != null) |
| 803 |
return placementConstraints;
|
| 804 |
|
| 805 |
GeometryType gt = null;
|
| 806 |
|
| 807 |
try {
|
| 808 |
gt = layer.getGeometryType(); |
| 809 |
// force 2d for comparison
|
| 810 |
gt = GeometryLocator.getGeometryManager().getGeometryType( |
| 811 |
gt.getType(), SUBTYPES.GEOM2D); |
| 812 |
} catch (Exception e) { |
| 813 |
logger.error("While getting placements constraints.", e);
|
| 814 |
return null; |
| 815 |
} |
| 816 |
|
| 817 |
if (gt.isTypeOf(TYPES.POINT) || gt.isTypeOf(TYPES.MULTIPOINT)) {
|
| 818 |
return DefaultPointPlacementConstraints;
|
| 819 |
} else {
|
| 820 |
if (gt.isTypeOf(TYPES.CURVE) || gt.isTypeOf(TYPES.MULTICURVE)) {
|
| 821 |
return DefaultLinePlacementConstraints;
|
| 822 |
} else {
|
| 823 |
if (gt.isTypeOf(TYPES.SURFACE)
|
| 824 |
|| gt.isTypeOf(TYPES.MULTISURFACE)) {
|
| 825 |
return DefaultPolygonPlacementConstraints;
|
| 826 |
} else {
|
| 827 |
if (gt.isTypeOf(TYPES.AGGREGATE)
|
| 828 |
|| gt.isTypeOf(TYPES.GEOMETRY)) {
|
| 829 |
DefaultMultiShapePlacementConstratints |
| 830 |
.setPointConstraints(DefaultPointPlacementConstraints); |
| 831 |
DefaultMultiShapePlacementConstratints |
| 832 |
.setLineConstraints(DefaultLinePlacementConstraints); |
| 833 |
DefaultMultiShapePlacementConstratints |
| 834 |
.setPolygonConstraints(DefaultPolygonPlacementConstraints); |
| 835 |
return DefaultMultiShapePlacementConstratints;
|
| 836 |
} |
| 837 |
} |
| 838 |
} |
| 839 |
} |
| 840 |
return null; |
| 841 |
} |
| 842 |
|
| 843 |
public void setPlacementConstraints(IPlacementConstraints constraints) { |
| 844 |
this.placementConstraints = constraints;
|
| 845 |
} |
| 846 |
|
| 847 |
public IZoomConstraints getZoomConstraints() {
|
| 848 |
return zoomConstraints;
|
| 849 |
} |
| 850 |
|
| 851 |
public void setZoomConstraints(IZoomConstraints constraints) { |
| 852 |
this.zoomConstraints = constraints;
|
| 853 |
} |
| 854 |
|
| 855 |
public void print(Graphics2D g, double scale, ViewPort viewPort, |
| 856 |
Cancellable cancel, PrintAttributes properties) |
| 857 |
throws ReadException {
|
| 858 |
|
| 859 |
double dpi = 100; |
| 860 |
int pq = properties.getPrintQuality();
|
| 861 |
if (pq == PrintAttributes.PRINT_QUALITY_NORMAL) {
|
| 862 |
dpi = 300;
|
| 863 |
} else if (pq == PrintAttributes.PRINT_QUALITY_HIGH) { |
| 864 |
dpi = 600;
|
| 865 |
} else if (pq == PrintAttributes.PRINT_QUALITY_DRAFT) { |
| 866 |
dpi = 72;
|
| 867 |
} |
| 868 |
|
| 869 |
viewPort.setOffset(new Point2D.Double(0, 0)); |
| 870 |
|
| 871 |
/* signal printing output */
|
| 872 |
printMode = true;
|
| 873 |
|
| 874 |
draw(null, g, scale, viewPort, cancel, dpi);
|
| 875 |
} |
| 876 |
|
| 877 |
public String[] getUsedFields() { |
| 878 |
|
| 879 |
/*
|
| 880 |
* TODO Solve the problem with the [ and ]. Currently SQLJEP evaluator
|
| 881 |
* cannot tell which fields are being used. Options: allow [] and remove
|
| 882 |
* them or maybe while parsing the SQLJEP evaluator can inform with
|
| 883 |
* events like "I have found a field"
|
| 884 |
*/
|
| 885 |
|
| 886 |
FeatureAttributeDescriptor[] atts = null; |
| 887 |
try {
|
| 888 |
atts = layer.getFeatureStore().getDefaultFeatureType() |
| 889 |
.getAttributeDescriptors(); |
| 890 |
} catch (DataException e) {
|
| 891 |
logger.error("While getting atributes.", e);
|
| 892 |
} |
| 893 |
|
| 894 |
int n = atts.length;
|
| 895 |
String[] resp = new String[n]; |
| 896 |
for (int i = 0; i < n; i++) { |
| 897 |
resp[i] = atts[i].getName(); |
| 898 |
} |
| 899 |
return resp;
|
| 900 |
|
| 901 |
} |
| 902 |
|
| 903 |
public boolean shouldDrawLabels(double scale) { |
| 904 |
double minScaleView = -1; |
| 905 |
double maxScaleView = -1; |
| 906 |
|
| 907 |
if (zoomConstraints != null) { |
| 908 |
minScaleView = zoomConstraints.getMinScale(); |
| 909 |
maxScaleView = zoomConstraints.getMaxScale(); |
| 910 |
} |
| 911 |
|
| 912 |
if (minScaleView == -1 && maxScaleView == -1) { |
| 913 |
// parameters not set, so the layer decides.
|
| 914 |
return layer.isWithinScale(scale);
|
| 915 |
} |
| 916 |
|
| 917 |
if (minScaleView >= scale) {
|
| 918 |
return (maxScaleView != -1) ? maxScaleView <= scale : true; |
| 919 |
} |
| 920 |
|
| 921 |
return false; |
| 922 |
} |
| 923 |
|
| 924 |
public void setUnit(int unitIndex) { |
| 925 |
unit = unitIndex; |
| 926 |
|
| 927 |
} |
| 928 |
|
| 929 |
public int getUnit() { |
| 930 |
return unit;
|
| 931 |
} |
| 932 |
|
| 933 |
public int getReferenceSystem() { |
| 934 |
return referenceSystem;
|
| 935 |
} |
| 936 |
|
| 937 |
public void setReferenceSystem(int referenceSystem) { |
| 938 |
this.referenceSystem = referenceSystem;
|
| 939 |
} |
| 940 |
|
| 941 |
public static void registerPersistent() { |
| 942 |
|
| 943 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
| 944 |
if (manager.getDefinition(GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME) == null) { |
| 945 |
DynStruct definition = manager.addDefinition( |
| 946 |
GeneralLabelingStrategy.class, |
| 947 |
GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME, |
| 948 |
GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME |
| 949 |
+ " Persistence definition", null, null); |
| 950 |
definition.addDynFieldObject("labelingMethod")
|
| 951 |
.setClassOfValue(ILabelingMethod.class).setMandatory(true);
|
| 952 |
definition.addDynFieldObject("placementConstraints")
|
| 953 |
.setClassOfValue(IPlacementConstraints.class) |
| 954 |
.setMandatory(false);
|
| 955 |
definition.addDynFieldObject("zoomConstraints")
|
| 956 |
.setClassOfValue(IZoomConstraints.class) |
| 957 |
.setMandatory(false);
|
| 958 |
|
| 959 |
definition.addDynFieldBoolean("allowOverlapping")
|
| 960 |
.setMandatory(true);
|
| 961 |
definition.addDynFieldInt("unit").setMandatory(true); |
| 962 |
definition.addDynFieldInt("referenceSystem").setMandatory(true); |
| 963 |
} |
| 964 |
} |
| 965 |
|
| 966 |
public void loadFromState(PersistentState state) |
| 967 |
throws PersistenceException {
|
| 968 |
|
| 969 |
method = (ILabelingMethod) state.get("labelingMethod");
|
| 970 |
|
| 971 |
if (state.hasValue("placementConstraints")) { |
| 972 |
placementConstraints = (IPlacementConstraints) state |
| 973 |
.get("placementConstraints");
|
| 974 |
} |
| 975 |
|
| 976 |
if (state.hasValue("zoomConstraints")) { |
| 977 |
zoomConstraints = (IZoomConstraints) state.get("zoomConstraints");
|
| 978 |
} |
| 979 |
|
| 980 |
this.allowOverlapping = state.getBoolean("allowOverlapping"); |
| 981 |
this.unit = state.getInt("unit"); |
| 982 |
this.referenceSystem = state.getInt("referenceSystem"); |
| 983 |
} |
| 984 |
|
| 985 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 986 |
|
| 987 |
state.set("labelingMethod", method);
|
| 988 |
|
| 989 |
if (placementConstraints != null) { |
| 990 |
state.set("placementConstraints", placementConstraints);
|
| 991 |
} |
| 992 |
|
| 993 |
if (zoomConstraints != null) { |
| 994 |
state.set("zoomConstraints", zoomConstraints);
|
| 995 |
} |
| 996 |
|
| 997 |
state.set("allowOverlapping", allowOverlapping);
|
| 998 |
state.set("unit", unit);
|
| 999 |
state.set("referenceSystem", referenceSystem);
|
| 1000 |
|
| 1001 |
} |
| 1002 |
|
| 1003 |
public double toCartographicSize(ViewPort vp, double dpi, Geometry geom) { |
| 1004 |
/*
|
| 1005 |
* This method is not used but we must implement CartographicSupport
|
| 1006 |
*/
|
| 1007 |
return 0; |
| 1008 |
} |
| 1009 |
|
| 1010 |
public void setCartographicSize(double cartographicSize, Geometry geom) { |
| 1011 |
/*
|
| 1012 |
* This method is not used but we must implement CartographicSupport
|
| 1013 |
*/
|
| 1014 |
} |
| 1015 |
|
| 1016 |
public double getCartographicSize(ViewPort vp, double dpi, Geometry geom) { |
| 1017 |
/*
|
| 1018 |
* This method is not used but we must implement CartographicSupport
|
| 1019 |
*/
|
| 1020 |
return 0; |
| 1021 |
} |
| 1022 |
|
| 1023 |
public Object clone() throws CloneNotSupportedException { |
| 1024 |
return LabelClassUtils.clone(this); |
| 1025 |
} |
| 1026 |
|
| 1027 |
} |