root / branches / v2_0_0_prep / extensions / org.gvsig.symbology / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / legend / impl / AbstractVectorialLegend.java @ 33331
History | View | Annotate | Download (28.4 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 |
|
| 23 |
/*
|
| 24 |
* AUTHORS (In addition to CIT):
|
| 25 |
* 2009 {DiSiD Technologies} {{Task}}
|
| 26 |
*/
|
| 27 |
package org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl; |
| 28 |
|
| 29 |
import java.awt.Graphics2D; |
| 30 |
import java.awt.geom.AffineTransform; |
| 31 |
import java.awt.geom.PathIterator; |
| 32 |
import java.awt.geom.Point2D; |
| 33 |
import java.awt.image.BufferedImage; |
| 34 |
import java.util.Iterator; |
| 35 |
import java.util.Map; |
| 36 |
import java.util.Map.Entry; |
| 37 |
|
| 38 |
import org.cresques.cts.ICoordTrans; |
| 39 |
import org.cresques.cts.IProjection; |
| 40 |
import org.gvsig.compat.CompatLocator; |
| 41 |
import org.gvsig.compat.print.PrintAttributes; |
| 42 |
import org.gvsig.fmap.dal.exception.DataException; |
| 43 |
import org.gvsig.fmap.dal.exception.ReadException; |
| 44 |
import org.gvsig.fmap.dal.feature.Feature; |
| 45 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
| 46 |
import org.gvsig.fmap.dal.feature.FeatureSelection; |
| 47 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
| 48 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
| 49 |
import org.gvsig.fmap.dal.feature.exception.ConcurrentDataModificationException; |
| 50 |
import org.gvsig.fmap.geom.Geometry; |
| 51 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
| 52 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 53 |
import org.gvsig.fmap.geom.GeometryManager; |
| 54 |
import org.gvsig.fmap.geom.aggregate.Aggregate; |
| 55 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
| 56 |
import org.gvsig.fmap.geom.operation.DrawInts; |
| 57 |
import org.gvsig.fmap.geom.operation.DrawOperationContext; |
| 58 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
| 59 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
| 60 |
import org.gvsig.fmap.geom.primitive.Envelope; |
| 61 |
import org.gvsig.fmap.geom.primitive.GeneralPathX; |
| 62 |
import org.gvsig.fmap.mapcontext.MapContext; |
| 63 |
import org.gvsig.fmap.mapcontext.MapContextException; |
| 64 |
import org.gvsig.fmap.mapcontext.ViewPort; |
| 65 |
import org.gvsig.fmap.mapcontext.layers.vectorial.ContainsEnvelopeEvaluator; |
| 66 |
import org.gvsig.fmap.mapcontext.layers.vectorial.IntersectsEnvelopeEvaluator; |
| 67 |
import org.gvsig.fmap.mapcontext.rendering.legend.ILegend; |
| 68 |
import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
| 69 |
import org.gvsig.fmap.mapcontext.rendering.legend.LegendException; |
| 70 |
import org.gvsig.fmap.mapcontext.rendering.legend.ZSort; |
| 71 |
import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
| 72 |
import org.gvsig.fmap.mapcontext.rendering.symbols.IMultiLayerSymbol; |
| 73 |
import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
| 74 |
import org.gvsig.tools.ToolsLocator; |
| 75 |
import org.gvsig.tools.dispose.DisposableIterator; |
| 76 |
import org.gvsig.tools.dynobject.DynStruct; |
| 77 |
import org.gvsig.tools.exception.BaseException; |
| 78 |
import org.gvsig.tools.persistence.PersistenceManager; |
| 79 |
import org.gvsig.tools.persistence.PersistentState; |
| 80 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
| 81 |
import org.gvsig.tools.task.Cancellable; |
| 82 |
import org.gvsig.tools.visitor.VisitCanceledException; |
| 83 |
import org.gvsig.tools.visitor.Visitor; |
| 84 |
|
| 85 |
/**
|
| 86 |
* Base implementation for Vectorial data Legends.
|
| 87 |
*
|
| 88 |
* Provides a draw method implementation which loads the {@link Feature}s and
|
| 89 |
* uses the {@link ISymbol} objects to draw the {@link Geometry} objects.
|
| 90 |
*
|
| 91 |
* @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
|
| 92 |
*/
|
| 93 |
public abstract class AbstractVectorialLegend extends AbstractLegend implements |
| 94 |
IVectorLegend {
|
| 95 |
|
| 96 |
public static final String VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME = |
| 97 |
"VectorialLegend";
|
| 98 |
|
| 99 |
private static final String FIELD_HAS_ZSORT = "hasZSort"; |
| 100 |
private static final String FIELD_SHAPETYPE = "shapeType"; |
| 101 |
private static final String FIELD_DEFAULT_SYMBOL = "defaultSymbol"; |
| 102 |
|
| 103 |
private static final GeometryManager geomManager = |
| 104 |
GeometryLocator.getGeometryManager(); |
| 105 |
|
| 106 |
protected ZSort zSort;
|
| 107 |
|
| 108 |
public ZSort getZSort() {
|
| 109 |
return zSort;
|
| 110 |
} |
| 111 |
|
| 112 |
public void setZSort(ZSort zSort) { |
| 113 |
if (zSort == null) { |
| 114 |
removeLegendListener(this.zSort);
|
| 115 |
} |
| 116 |
this.zSort = zSort;
|
| 117 |
addLegendListener(zSort); |
| 118 |
} |
| 119 |
|
| 120 |
@SuppressWarnings("unchecked") |
| 121 |
public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
| 122 |
Cancellable cancel, double scale, Map queryParameters, |
| 123 |
ICoordTrans coordTrans, FeatureStore featureStore) |
| 124 |
throws LegendException {
|
| 125 |
double dpi = MapContext.getScreenDPI();
|
| 126 |
draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, |
| 127 |
featureStore, dpi); |
| 128 |
} |
| 129 |
|
| 130 |
@SuppressWarnings("unchecked") |
| 131 |
public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
| 132 |
double scale, Map queryParameters, ICoordTrans coordTrans, |
| 133 |
FeatureStore featureStore, PrintAttributes properties) |
| 134 |
throws LegendException {
|
| 135 |
double dpi = 72; |
| 136 |
|
| 137 |
int resolution = properties.getPrintQuality();
|
| 138 |
|
| 139 |
if (resolution == PrintAttributes.PRINT_QUALITY_NORMAL) {
|
| 140 |
dpi = 300;
|
| 141 |
} else if (resolution == PrintAttributes.PRINT_QUALITY_HIGH) { |
| 142 |
dpi = 600;
|
| 143 |
} else if (resolution == PrintAttributes.PRINT_QUALITY_DRAFT) { |
| 144 |
dpi = 72;
|
| 145 |
} |
| 146 |
|
| 147 |
FeatureSet featureSet = null;
|
| 148 |
DisposableIterator it = null;
|
| 149 |
try {
|
| 150 |
ZSort zSort = getZSort(); |
| 151 |
|
| 152 |
// if layer has map levels it will use a ZSort
|
| 153 |
boolean useZSort = zSort != null && zSort.isUsingZSort(); |
| 154 |
|
| 155 |
int mapLevelCount = (useZSort) ? zSort.getLevelCount() : 1; |
| 156 |
for (int mapPass = 0; mapPass < mapLevelCount; mapPass++) { |
| 157 |
// Get the iterator over the visible features
|
| 158 |
String[] fieldNames = |
| 159 |
getRequiredFeatureAttributeNames(featureStore); |
| 160 |
|
| 161 |
FeatureQuery featureQuery = featureStore.createFeatureQuery(); |
| 162 |
featureQuery.setAttributeNames(fieldNames); |
| 163 |
featureQuery.setScale(scale); |
| 164 |
|
| 165 |
ContainsEnvelopeEvaluator iee = |
| 166 |
new ContainsEnvelopeEvaluator(
|
| 167 |
viewPort.getAdjustedEnvelope(), |
| 168 |
viewPort.getProjection(), |
| 169 |
featureStore.getDefaultFeatureType(), |
| 170 |
featureStore.getDefaultFeatureType() |
| 171 |
.getDefaultGeometryAttributeName()); |
| 172 |
featureQuery.setFilter(iee); |
| 173 |
featureSet = featureStore.getFeatureSet(featureQuery); |
| 174 |
it = featureSet.fastIterator(); |
| 175 |
|
| 176 |
// Iteration over each feature
|
| 177 |
while (!cancel.isCanceled() && it.hasNext()) {
|
| 178 |
Feature feat = (Feature) it.next(); |
| 179 |
Geometry geom = feat.getDefaultGeometry(); |
| 180 |
|
| 181 |
// retrieve the symbol associated to such feature
|
| 182 |
ISymbol sym = getSymbolByFeature(feat); |
| 183 |
if (sym == null) { |
| 184 |
continue;
|
| 185 |
} |
| 186 |
if (useZSort) {
|
| 187 |
int[] symLevels = zSort.getLevels(sym); |
| 188 |
if (symLevels != null) { |
| 189 |
|
| 190 |
// Check if this symbol is a multilayer
|
| 191 |
if (sym instanceof IMultiLayerSymbol) { |
| 192 |
// if so, get the layer corresponding to the
|
| 193 |
// current level. If none, continue to next
|
| 194 |
// iteration
|
| 195 |
IMultiLayerSymbol mlSym = |
| 196 |
(IMultiLayerSymbol) sym; |
| 197 |
for (int i = 0; i < mlSym.getLayerCount(); i++) { |
| 198 |
ISymbol mySym = mlSym.getLayer(i); |
| 199 |
if (symLevels[i] == mapPass) {
|
| 200 |
sym = mySym; |
| 201 |
break;
|
| 202 |
} |
| 203 |
} |
| 204 |
|
| 205 |
} else {
|
| 206 |
// else, just draw the symbol in its level
|
| 207 |
if (symLevels[0] != mapPass) { |
| 208 |
continue;
|
| 209 |
} |
| 210 |
} |
| 211 |
} |
| 212 |
} |
| 213 |
|
| 214 |
// Check if this symbol is sized with CartographicSupport
|
| 215 |
CartographicSupport csSym = null;
|
| 216 |
int symbolType = sym.getSymbolType();
|
| 217 |
|
| 218 |
if (symbolType == Geometry.TYPES.POINT
|
| 219 |
|| symbolType == Geometry.TYPES.CURVE |
| 220 |
|| sym instanceof CartographicSupport) {
|
| 221 |
|
| 222 |
csSym = (CartographicSupport) sym; |
| 223 |
} |
| 224 |
|
| 225 |
DrawOperationContext doc = new DrawOperationContext();
|
| 226 |
doc.setGraphics(g); |
| 227 |
doc.setViewPort(viewPort); |
| 228 |
if (csSym == null) { |
| 229 |
doc.setSymbol(sym); |
| 230 |
} else {
|
| 231 |
doc.setDPI(dpi); |
| 232 |
doc.setCancellable(cancel); |
| 233 |
doc.setSymbol((ISymbol) csSym); |
| 234 |
} |
| 235 |
geom.invokeOperation(DrawInts.CODE, doc); |
| 236 |
} |
| 237 |
} |
| 238 |
} catch (ReadException e) {
|
| 239 |
throw new LegendDrawingException(e); |
| 240 |
} catch (GeometryOperationNotSupportedException e) {
|
| 241 |
throw new LegendDrawingException(e); |
| 242 |
} catch (GeometryOperationException e) {
|
| 243 |
throw new LegendDrawingException(e); |
| 244 |
} catch (DataException e) {
|
| 245 |
throw new LegendDrawingException(e); |
| 246 |
} catch (MapContextException e) {
|
| 247 |
throw new LegendDrawingException(e); |
| 248 |
} finally {
|
| 249 |
if (it != null) { |
| 250 |
it.dispose(); |
| 251 |
} |
| 252 |
if (featureSet != null) { |
| 253 |
featureSet.dispose(); |
| 254 |
} |
| 255 |
} |
| 256 |
} |
| 257 |
|
| 258 |
/**
|
| 259 |
* Draws the features from the {@link FeatureStore}, filtered with the scale
|
| 260 |
* and the query parameters, with the symbols of the legend.
|
| 261 |
*/
|
| 262 |
@SuppressWarnings("unchecked") |
| 263 |
protected void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
| 264 |
Cancellable cancel, double scale, Map queryParameters, |
| 265 |
ICoordTrans coordTrans, FeatureStore featureStore, double dpi)
|
| 266 |
throws LegendException {
|
| 267 |
|
| 268 |
if (!getDefaultSymbol().isShapeVisible()) {
|
| 269 |
return;
|
| 270 |
} |
| 271 |
|
| 272 |
if (cancel.isCanceled()) {
|
| 273 |
return;
|
| 274 |
} |
| 275 |
|
| 276 |
IProjection dataProjection; |
| 277 |
Envelope reprojectedDataEnvelop; |
| 278 |
|
| 279 |
try {
|
| 280 |
if (coordTrans == null) { |
| 281 |
dataProjection = |
| 282 |
featureStore.getDefaultFeatureType().getDefaultSRS(); |
| 283 |
|
| 284 |
// If the data does not provide a projection, use the current
|
| 285 |
// view one
|
| 286 |
if (dataProjection == null) { |
| 287 |
dataProjection = viewPort.getProjection(); |
| 288 |
} |
| 289 |
|
| 290 |
reprojectedDataEnvelop = featureStore.getEnvelope(); |
| 291 |
} else {
|
| 292 |
dataProjection = coordTrans.getPOrig(); |
| 293 |
|
| 294 |
reprojectedDataEnvelop = |
| 295 |
featureStore.getEnvelope().convert(coordTrans); |
| 296 |
} |
| 297 |
} catch (DataException e) {
|
| 298 |
throw new LegendDrawingException(e); |
| 299 |
} |
| 300 |
|
| 301 |
// Gets the view envelope
|
| 302 |
Envelope viewPortEnvelope = viewPort.getAdjustedEnvelope(); |
| 303 |
|
| 304 |
// Gets the data envelope with the viewport SRS
|
| 305 |
Envelope myEnvelope = reprojectedDataEnvelop; |
| 306 |
|
| 307 |
// TODO: in some cases, the legend may need a different check to
|
| 308 |
// decide if the data must be drawn or not
|
| 309 |
// Checks if the viewport envelope intersects with the data envelope
|
| 310 |
if (!viewPortEnvelope.intersects(myEnvelope)) {
|
| 311 |
// The data is not visible in the current viewport, do nothing.
|
| 312 |
return;
|
| 313 |
} |
| 314 |
|
| 315 |
// Check if all the data is contained into the viewport envelope
|
| 316 |
boolean containsAll = viewPortEnvelope.contains(myEnvelope);
|
| 317 |
|
| 318 |
// Create the drawing notification to be reused on each iteration
|
| 319 |
DefaultFeatureDrawnNotification drawnNotification = |
| 320 |
new DefaultFeatureDrawnNotification();
|
| 321 |
|
| 322 |
if (cancel.isCanceled()) {
|
| 323 |
return;
|
| 324 |
} |
| 325 |
|
| 326 |
FeatureSet featureSet = null;
|
| 327 |
try {
|
| 328 |
FeatureSelection selection = featureStore.getFeatureSelection(); |
| 329 |
|
| 330 |
FeatureQuery featureQuery = |
| 331 |
createQuery(featureStore, scale, queryParameters, |
| 332 |
coordTrans, dataProjection, viewPortEnvelope, |
| 333 |
containsAll); |
| 334 |
|
| 335 |
featureSet = featureStore.getFeatureSet(featureQuery); |
| 336 |
|
| 337 |
if (cancel.isCanceled()) {
|
| 338 |
return;
|
| 339 |
} |
| 340 |
|
| 341 |
drawFeatures(image, g, viewPort, cancel, coordTrans, dpi, |
| 342 |
drawnNotification, featureSet, selection); |
| 343 |
|
| 344 |
} catch (BaseException e) {
|
| 345 |
throw new LegendDrawingException(e); |
| 346 |
} finally {
|
| 347 |
if (featureSet != null) { |
| 348 |
featureSet.dispose(); |
| 349 |
} |
| 350 |
} |
| 351 |
|
| 352 |
} |
| 353 |
|
| 354 |
/**
|
| 355 |
* Creates a {@link FeatureQuery} to load the {@link Feature}s to draw.
|
| 356 |
*/
|
| 357 |
@SuppressWarnings("unchecked") |
| 358 |
private FeatureQuery createQuery(FeatureStore featureStore, double scale, |
| 359 |
Map queryParameters, ICoordTrans coordTrans,
|
| 360 |
IProjection dataProjection, Envelope viewPortEnvelope, |
| 361 |
boolean containsAll) throws DataException { |
| 362 |
|
| 363 |
FeatureQuery featureQuery = featureStore.createFeatureQuery(); |
| 364 |
featureQuery.setScale(scale); |
| 365 |
String[] fieldNames = |
| 366 |
getRequiredFeatureAttributeNames(featureStore); |
| 367 |
featureQuery.setAttributeNames(fieldNames); |
| 368 |
// TODO: Mobile has it's own IntersectsEnvelopeEvaluator
|
| 369 |
if (!containsAll) {
|
| 370 |
// Gets the viewport envelope with the data SRS
|
| 371 |
Envelope viewPortEnvelopeInMyProj = viewPortEnvelope; |
| 372 |
// FIXME
|
| 373 |
if (coordTrans != null) { |
| 374 |
viewPortEnvelopeInMyProj = |
| 375 |
viewPortEnvelope.convert(coordTrans.getInverted()); |
| 376 |
} |
| 377 |
|
| 378 |
if (dataProjection == null) { |
| 379 |
throw new IllegalArgumentException( |
| 380 |
"Error, the projection parameter value is null");
|
| 381 |
} |
| 382 |
|
| 383 |
IntersectsEnvelopeEvaluator iee = |
| 384 |
new IntersectsEnvelopeEvaluator(viewPortEnvelopeInMyProj,
|
| 385 |
dataProjection, |
| 386 |
featureStore.getDefaultFeatureType(), |
| 387 |
featureStore.getDefaultFeatureType() |
| 388 |
.getDefaultGeometryAttributeName()); |
| 389 |
featureQuery.setFilter(iee); |
| 390 |
} |
| 391 |
if (queryParameters != null) { |
| 392 |
Iterator iterEntry = queryParameters.entrySet().iterator();
|
| 393 |
Entry entry; |
| 394 |
while (iterEntry.hasNext()) {
|
| 395 |
entry = (Entry) iterEntry.next(); |
| 396 |
featureQuery.setQueryParameter((String) entry.getKey(),
|
| 397 |
entry.getValue()); |
| 398 |
} |
| 399 |
} |
| 400 |
return featureQuery;
|
| 401 |
} |
| 402 |
|
| 403 |
/**
|
| 404 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
| 405 |
* legend.
|
| 406 |
*/
|
| 407 |
private void drawFeatures(BufferedImage image, Graphics2D g, |
| 408 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
| 409 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
| 410 |
FeatureSet featureSet, FeatureSelection selection) |
| 411 |
throws BaseException {
|
| 412 |
if (isUseZSort()) {
|
| 413 |
drawFeaturesMultiLayer(image, g, viewPort, cancel, coordTrans, dpi, |
| 414 |
drawnNotification, featureSet, selection); |
| 415 |
} else {
|
| 416 |
drawFeaturesSingleLayer(image, g, viewPort, cancel, coordTrans, |
| 417 |
dpi, drawnNotification, featureSet, selection); |
| 418 |
} |
| 419 |
} |
| 420 |
|
| 421 |
/**
|
| 422 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
| 423 |
* legend, using a single drawing layer.
|
| 424 |
*/
|
| 425 |
private void drawFeaturesSingleLayer(final BufferedImage image, |
| 426 |
final Graphics2D g, final ViewPort viewPort, |
| 427 |
final Cancellable cancel, final ICoordTrans coordTrans, |
| 428 |
final double dpi, |
| 429 |
final DefaultFeatureDrawnNotification drawnNotification,
|
| 430 |
FeatureSet featureSet, final FeatureSelection selection)
|
| 431 |
throws BaseException {
|
| 432 |
|
| 433 |
try {
|
| 434 |
featureSet.accept(new Visitor() {
|
| 435 |
public void visit(Object obj) throws VisitCanceledException, |
| 436 |
BaseException {
|
| 437 |
Feature feat = (Feature) obj; |
| 438 |
drawFeatureSingleLayer(image, g, viewPort, cancel, |
| 439 |
coordTrans, dpi, drawnNotification, feat, selection); |
| 440 |
} |
| 441 |
}); |
| 442 |
|
| 443 |
} catch (ConcurrentDataModificationException e) {
|
| 444 |
cancel.setCanceled(true);
|
| 445 |
return;
|
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
/**
|
| 450 |
* Draws a Feature with the symbols of the legend, using a single drawing
|
| 451 |
* layer.
|
| 452 |
*/
|
| 453 |
private void drawFeatureSingleLayer(BufferedImage image, Graphics2D g, |
| 454 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
| 455 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
| 456 |
Feature feat, FeatureSelection selection) |
| 457 |
throws MapContextException, CreateGeometryException {
|
| 458 |
|
| 459 |
Geometry geom = feat.getDefaultGeometry(); |
| 460 |
|
| 461 |
if (geom.getType() == Geometry.TYPES.NULL) {
|
| 462 |
return;
|
| 463 |
} |
| 464 |
|
| 465 |
ISymbol sym = getSymbol(feat, selection); |
| 466 |
if (sym == null) { |
| 467 |
return;
|
| 468 |
} |
| 469 |
|
| 470 |
if (coordTrans != null) { |
| 471 |
geom = geom.cloneGeometry(); |
| 472 |
geom.reProject(coordTrans); |
| 473 |
} |
| 474 |
|
| 475 |
if (cancel.isCanceled()) {
|
| 476 |
return;
|
| 477 |
} |
| 478 |
|
| 479 |
drawGeometry(geom, image, feat, sym, viewPort, g, dpi, cancel); |
| 480 |
|
| 481 |
// Notify the drawing observers
|
| 482 |
drawnNotification.setFeature(feat); |
| 483 |
drawnNotification.setDrawnGeometry(geom); |
| 484 |
notifyObservers(drawnNotification); |
| 485 |
} |
| 486 |
|
| 487 |
/**
|
| 488 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
| 489 |
* legend, using a multiple drawing layer.
|
| 490 |
*/
|
| 491 |
private void drawFeaturesMultiLayer(BufferedImage image, Graphics2D g, |
| 492 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
| 493 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
| 494 |
FeatureSet featureSet, FeatureSelection selection) |
| 495 |
throws MapContextException, CreateGeometryException, DataException {
|
| 496 |
|
| 497 |
// -- visual FX stuff
|
| 498 |
long time = System.currentTimeMillis(); |
| 499 |
|
| 500 |
boolean bSymbolLevelError = false; |
| 501 |
// render temporary map each screenRefreshRate milliseconds;
|
| 502 |
int screenRefreshDelay =
|
| 503 |
(int) ((1D / MapContext.getDrawFrameRate()) * 3 * 1000); |
| 504 |
BufferedImage[] imageLevels = null; |
| 505 |
Graphics2D[] graphics = null; |
| 506 |
|
| 507 |
imageLevels = new BufferedImage[getZSort().getLevelCount()]; |
| 508 |
graphics = new Graphics2D[imageLevels.length]; |
| 509 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
| 510 |
|
| 511 |
imageLevels[i] = |
| 512 |
CompatLocator.getGraphicsUtils().createBufferedImage( |
| 513 |
image.getWidth(), image.getHeight(), |
| 514 |
image.getType()); |
| 515 |
|
| 516 |
graphics[i] = imageLevels[i].createGraphics(); |
| 517 |
graphics[i].setTransform(g.getTransform()); |
| 518 |
graphics[i].setRenderingHints(g.getRenderingHints()); |
| 519 |
} |
| 520 |
// -- end visual FX stuff
|
| 521 |
|
| 522 |
DisposableIterator it = null;
|
| 523 |
try {
|
| 524 |
it = featureSet.fastIterator(); |
| 525 |
// Iteration over each feature
|
| 526 |
while (it.hasNext()) {
|
| 527 |
if (cancel.isCanceled()) {
|
| 528 |
return;
|
| 529 |
} |
| 530 |
Feature feat = (Feature) it.next(); |
| 531 |
|
| 532 |
bSymbolLevelError |= |
| 533 |
drawFeatureMultiLayer(image, g, viewPort, cancel, |
| 534 |
coordTrans, dpi, drawnNotification, |
| 535 |
selection, time, screenRefreshDelay, |
| 536 |
imageLevels, graphics, feat); |
| 537 |
|
| 538 |
} |
| 539 |
} catch (ConcurrentDataModificationException e) {
|
| 540 |
cancel.setCanceled(true);
|
| 541 |
return;
|
| 542 |
} finally {
|
| 543 |
if (it != null) { |
| 544 |
it.dispose(); |
| 545 |
} |
| 546 |
} |
| 547 |
|
| 548 |
g.drawImage(image, 0, 0, null); |
| 549 |
|
| 550 |
Point2D offset = viewPort.getOffset();
|
| 551 |
CompatLocator.getGraphicsUtils().translate(g, offset.getX(), |
| 552 |
offset.getY()); |
| 553 |
|
| 554 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
| 555 |
g.drawImage(imageLevels[i], 0, 0, null); |
| 556 |
imageLevels[i] = null;
|
| 557 |
graphics[i] = null;
|
| 558 |
} |
| 559 |
|
| 560 |
CompatLocator.getGraphicsUtils().translate(g, -offset.getX(), |
| 561 |
-offset.getY()); |
| 562 |
|
| 563 |
imageLevels = null;
|
| 564 |
graphics = null;
|
| 565 |
|
| 566 |
if (bSymbolLevelError) {
|
| 567 |
setZSort(null);
|
| 568 |
} |
| 569 |
} |
| 570 |
|
| 571 |
/**
|
| 572 |
* Draws a Feature with the symbols of the legend, using a multiple drawing
|
| 573 |
* layer.
|
| 574 |
*/
|
| 575 |
private boolean drawFeatureMultiLayer(BufferedImage image, Graphics2D g, |
| 576 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
| 577 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
| 578 |
FeatureSelection selection, long time,
|
| 579 |
int screenRefreshDelay, BufferedImage[] imageLevels, |
| 580 |
Graphics2D[] graphics, Feature feat) throws MapContextException, |
| 581 |
CreateGeometryException {
|
| 582 |
|
| 583 |
Geometry geom = feat.getDefaultGeometry(); |
| 584 |
boolean bSymbolLevelError = false; |
| 585 |
long drawingTime = time;
|
| 586 |
|
| 587 |
if (geom.getType() == Geometry.TYPES.NULL) {
|
| 588 |
return false; |
| 589 |
} |
| 590 |
|
| 591 |
ISymbol sym = getSymbol(feat, selection); |
| 592 |
|
| 593 |
if (sym == null) { |
| 594 |
return false; |
| 595 |
} |
| 596 |
|
| 597 |
if (coordTrans != null) { |
| 598 |
geom = geom.cloneGeometry(); |
| 599 |
geom.reProject(coordTrans); |
| 600 |
} |
| 601 |
|
| 602 |
if (cancel.isCanceled()) {
|
| 603 |
return false; |
| 604 |
} |
| 605 |
|
| 606 |
// Check if this symbol is a multilayer
|
| 607 |
int[] symLevels = getZSort().getLevels(sym); |
| 608 |
if (sym instanceof IMultiLayerSymbol) { |
| 609 |
// if so, treat each of its layers as a single
|
| 610 |
// symbol
|
| 611 |
// in its corresponding map level
|
| 612 |
IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym; |
| 613 |
for (int i = 0; !cancel.isCanceled() && i < mlSym.getLayerCount(); i++) { |
| 614 |
ISymbol mySym = mlSym.getLayer(i); |
| 615 |
int symbolLevel = 0; |
| 616 |
if (symLevels != null) { |
| 617 |
symbolLevel = symLevels[i]; |
| 618 |
} else {
|
| 619 |
/*
|
| 620 |
* an error occured when managing symbol levels some of the
|
| 621 |
* legend changed events regarding the symbols did not
|
| 622 |
* finish satisfactory and the legend is now inconsistent.
|
| 623 |
* For this drawing, it will finish as it was at the bottom
|
| 624 |
* (level 0) but, when done, the ZSort will be reset to
|
| 625 |
* avoid app crashes. This is a bug that has to be fixed.
|
| 626 |
*/
|
| 627 |
bSymbolLevelError = true;
|
| 628 |
} |
| 629 |
drawGeometry(geom, imageLevels[symbolLevel], feat, mySym, |
| 630 |
viewPort, graphics[symbolLevel], dpi, cancel); |
| 631 |
} |
| 632 |
} else {
|
| 633 |
// else, just draw the symbol in its level
|
| 634 |
int symbolLevel = 0; |
| 635 |
if (symLevels != null) { |
| 636 |
symbolLevel = symLevels[0];
|
| 637 |
} |
| 638 |
drawGeometry(geom, imageLevels[symbolLevel], feat, sym, viewPort, |
| 639 |
graphics[symbolLevel], dpi, cancel); |
| 640 |
} |
| 641 |
|
| 642 |
// -- visual FX stuff
|
| 643 |
// Cuando el offset!=0 se est? dibujando sobre el
|
| 644 |
// Layout y por tanto no tiene que ejecutar el
|
| 645 |
// siguiente c?digo.
|
| 646 |
Point2D offset = viewPort.getOffset();
|
| 647 |
if (offset.getX() == 0 && offset.getY() == 0) { |
| 648 |
if ((System.currentTimeMillis() - drawingTime) > screenRefreshDelay) { |
| 649 |
|
| 650 |
BufferedImage virtualBim =
|
| 651 |
CompatLocator.getGraphicsUtils().createBufferedImage( |
| 652 |
image.getWidth(), image.getHeight(), |
| 653 |
BufferedImage.TYPE_INT_ARGB);
|
| 654 |
|
| 655 |
Graphics2D virtualGraphics = virtualBim.createGraphics();
|
| 656 |
virtualGraphics.drawImage(image, 0, 0, null); |
| 657 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
| 658 |
virtualGraphics.drawImage(imageLevels[i], 0, 0, null); |
| 659 |
} |
| 660 |
g.clearRect(0, 0, image.getWidth(), image.getHeight()); |
| 661 |
g.drawImage(virtualBim, 0, 0, null); |
| 662 |
drawingTime = System.currentTimeMillis();
|
| 663 |
} |
| 664 |
// -- end visual FX stuff
|
| 665 |
|
| 666 |
} |
| 667 |
// Notify the drawing observers
|
| 668 |
drawnNotification.setFeature(feat); |
| 669 |
drawnNotification.setDrawnGeometry(geom); |
| 670 |
notifyObservers(drawnNotification); |
| 671 |
return bSymbolLevelError;
|
| 672 |
} |
| 673 |
|
| 674 |
/**
|
| 675 |
* Returns the symbol to use to draw a {@link Feature} taking into account
|
| 676 |
* if it is selected.
|
| 677 |
*/
|
| 678 |
private ISymbol getSymbol(Feature feat, FeatureSelection selection)
|
| 679 |
throws MapContextException {
|
| 680 |
// retrieve the symbol associated to such feature
|
| 681 |
ISymbol sym = getSymbolByFeature(feat); |
| 682 |
|
| 683 |
if (sym != null && selection.isSelected(feat)) { |
| 684 |
sym = sym.getSymbolForSelection(); |
| 685 |
} |
| 686 |
return sym;
|
| 687 |
} |
| 688 |
|
| 689 |
/**
|
| 690 |
* Returns if the legend is using a ZSort.
|
| 691 |
*/
|
| 692 |
private boolean isUseZSort() { |
| 693 |
return getZSort() != null && getZSort().isUsingZSort(); |
| 694 |
} |
| 695 |
|
| 696 |
/**
|
| 697 |
* Draws a {@link Geometry} using the given {@link ISymbol}, over the
|
| 698 |
* {@link Graphics2D} object.
|
| 699 |
*/
|
| 700 |
private void drawGeometry(Geometry geom, BufferedImage image, |
| 701 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
| 702 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
| 703 |
throws CreateGeometryException {
|
| 704 |
|
| 705 |
if (geom instanceof Aggregate) { |
| 706 |
drawAggregate((Aggregate) geom, image, feature, symbol, viewPort, |
| 707 |
graphics, dpi, cancellable); |
| 708 |
} else {
|
| 709 |
boolean bDrawCartographicSupport = false; |
| 710 |
if (symbol instanceof CartographicSupport) { |
| 711 |
bDrawCartographicSupport = |
| 712 |
((CartographicSupport) symbol).getUnit() != -1;
|
| 713 |
} |
| 714 |
|
| 715 |
double previousSize = 0.0d; |
| 716 |
|
| 717 |
if (bDrawCartographicSupport) {
|
| 718 |
// make the symbol to resize itself with the current rendering
|
| 719 |
// context
|
| 720 |
previousSize = |
| 721 |
((CartographicSupport) symbol).toCartographicSize( |
| 722 |
viewPort, dpi, geom); |
| 723 |
} |
| 724 |
|
| 725 |
try {
|
| 726 |
// draw it as normally
|
| 727 |
double[] dot = new double[2]; |
| 728 |
boolean onePoint =
|
| 729 |
symbol.isOneDotOrPixel(geom, dot, viewPort, (int) dpi);
|
| 730 |
|
| 731 |
if (onePoint) {
|
| 732 |
if (dot[0] < 0 || dot[1] < 0 || dot[0] >= image.getWidth() |
| 733 |
|| dot[1] >= image.getHeight()) {
|
| 734 |
return;
|
| 735 |
} |
| 736 |
// FIXME: setRgb should change to draw
|
| 737 |
image.setRGB((int) dot[0], (int) dot[1], |
| 738 |
symbol.getOnePointRgb()); |
| 739 |
} else {
|
| 740 |
Geometry decimatedShape = |
| 741 |
transformToInts(geom, viewPort.getAffineTransform()); |
| 742 |
symbol.draw(graphics, viewPort.getAffineTransform(), |
| 743 |
decimatedShape, feature, cancellable); |
| 744 |
} |
| 745 |
|
| 746 |
} finally {
|
| 747 |
if (bDrawCartographicSupport) {
|
| 748 |
// restore previous size
|
| 749 |
((CartographicSupport) symbol).setCartographicSize( |
| 750 |
previousSize, geom); |
| 751 |
} |
| 752 |
} |
| 753 |
} |
| 754 |
} |
| 755 |
|
| 756 |
/**
|
| 757 |
* Draws an {@link Aggregate} using the given {@link ISymbol}, over the
|
| 758 |
* {@link Graphics2D} object.
|
| 759 |
*/
|
| 760 |
private void drawAggregate(Aggregate aggregate, BufferedImage image, |
| 761 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
| 762 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
| 763 |
throws CreateGeometryException {
|
| 764 |
for (int i = 0; i < aggregate.getPrimitivesNumber(); i++) { |
| 765 |
Geometry prim = aggregate.getPrimitiveAt(i); |
| 766 |
drawGeometry(prim, image, feature, symbol, viewPort, graphics, dpi, |
| 767 |
cancellable); |
| 768 |
} |
| 769 |
} |
| 770 |
|
| 771 |
/**
|
| 772 |
* Transforms a Geometry from map coordinates to the view coordinates.
|
| 773 |
*/
|
| 774 |
private Geometry transformToInts(Geometry gp, AffineTransform at) |
| 775 |
throws CreateGeometryException {
|
| 776 |
GeneralPathX newGp = new GeneralPathX();
|
| 777 |
double[] theData = new double[6]; |
| 778 |
double[] aux = new double[6]; |
| 779 |
|
| 780 |
// newGp.reset();
|
| 781 |
PathIterator theIterator;
|
| 782 |
int theType;
|
| 783 |
int numParts = 0; |
| 784 |
|
| 785 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 786 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 787 |
boolean bFirst = true; |
| 788 |
int xInt, yInt, antX = -1, antY = -1; |
| 789 |
|
| 790 |
theIterator = gp.getPathIterator(null); // , flatness); |
| 791 |
int numSegmentsAdded = 0; |
| 792 |
while (!theIterator.isDone()) {
|
| 793 |
theType = theIterator.currentSegment(theData); |
| 794 |
|
| 795 |
switch (theType) {
|
| 796 |
case PathIterator.SEG_MOVETO: |
| 797 |
numParts++; |
| 798 |
ptSrc.setLocation(theData[0], theData[1]); |
| 799 |
at.transform(ptSrc, ptDst); |
| 800 |
antX = (int) ptDst.getX();
|
| 801 |
antY = (int) ptDst.getY();
|
| 802 |
newGp.moveTo(antX, antY); |
| 803 |
numSegmentsAdded++; |
| 804 |
bFirst = true;
|
| 805 |
break;
|
| 806 |
|
| 807 |
case PathIterator.SEG_LINETO: |
| 808 |
ptSrc.setLocation(theData[0], theData[1]); |
| 809 |
at.transform(ptSrc, ptDst); |
| 810 |
xInt = (int) ptDst.getX();
|
| 811 |
yInt = (int) ptDst.getY();
|
| 812 |
if ((bFirst) || ((xInt != antX) || (yInt != antY))) {
|
| 813 |
newGp.lineTo(xInt, yInt); |
| 814 |
antX = xInt; |
| 815 |
antY = yInt; |
| 816 |
bFirst = false;
|
| 817 |
numSegmentsAdded++; |
| 818 |
} |
| 819 |
break;
|
| 820 |
|
| 821 |
case PathIterator.SEG_QUADTO: |
| 822 |
at.transform(theData, 0, aux, 0, 2); |
| 823 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
| 824 |
numSegmentsAdded++; |
| 825 |
break;
|
| 826 |
|
| 827 |
case PathIterator.SEG_CUBICTO: |
| 828 |
at.transform(theData, 0, aux, 0, 3); |
| 829 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
| 830 |
numSegmentsAdded++; |
| 831 |
break;
|
| 832 |
|
| 833 |
case PathIterator.SEG_CLOSE: |
| 834 |
if (numSegmentsAdded < 3) { |
| 835 |
newGp.lineTo(antX, antY); |
| 836 |
} |
| 837 |
newGp.closePath(); |
| 838 |
|
| 839 |
break;
|
| 840 |
} // end switch
|
| 841 |
|
| 842 |
theIterator.next(); |
| 843 |
} // end while loop
|
| 844 |
|
| 845 |
Geometry geom = null;
|
| 846 |
switch (gp.getType()) {
|
| 847 |
case Geometry.TYPES.POINT:
|
| 848 |
geom = |
| 849 |
geomManager.createPoint(ptDst.getX(), ptDst.getY(), |
| 850 |
SUBTYPES.GEOM2D); |
| 851 |
break;
|
| 852 |
case Geometry.TYPES.CURVE:
|
| 853 |
case Geometry.TYPES.ARC:
|
| 854 |
geom = geomManager.createCurve(newGp, SUBTYPES.GEOM2D); |
| 855 |
break;
|
| 856 |
|
| 857 |
case Geometry.TYPES.SURFACE:
|
| 858 |
case Geometry.TYPES.CIRCLE:
|
| 859 |
case Geometry.TYPES.ELLIPSE:
|
| 860 |
|
| 861 |
geom = geomManager.createSurface(newGp, SUBTYPES.GEOM2D); |
| 862 |
break;
|
| 863 |
} |
| 864 |
return geom;
|
| 865 |
} |
| 866 |
|
| 867 |
public Object clone() throws CloneNotSupportedException { |
| 868 |
AbstractVectorialLegend clone = (AbstractVectorialLegend) super.clone();
|
| 869 |
|
| 870 |
// Clone zSort
|
| 871 |
ZSort zSort = getZSort(); |
| 872 |
if (zSort != null) { |
| 873 |
clone.setZSort(new ZSort(clone));
|
| 874 |
} |
| 875 |
return clone;
|
| 876 |
} |
| 877 |
|
| 878 |
public void loadFromState(PersistentState state) |
| 879 |
throws PersistenceException {
|
| 880 |
// Set parent properties
|
| 881 |
super.loadFromState(state);
|
| 882 |
// Set own properties
|
| 883 |
|
| 884 |
setShapeType(state.getInt(FIELD_SHAPETYPE)); |
| 885 |
if (state.getBoolean(FIELD_HAS_ZSORT)) {
|
| 886 |
setZSort(new ZSort(this)); |
| 887 |
} |
| 888 |
setDefaultSymbol((ISymbol) state.get(FIELD_DEFAULT_SYMBOL)); |
| 889 |
} |
| 890 |
|
| 891 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 892 |
// Save parent properties
|
| 893 |
super.saveToState(state);
|
| 894 |
// Save own properties
|
| 895 |
state.set(FIELD_SHAPETYPE, getShapeType()); |
| 896 |
state.set(FIELD_HAS_ZSORT, this.zSort!=null); |
| 897 |
state.set(FIELD_DEFAULT_SYMBOL, getDefaultSymbol()); |
| 898 |
} |
| 899 |
|
| 900 |
/**
|
| 901 |
* Registers the legend dynClass definition.
|
| 902 |
*/
|
| 903 |
public static void registerPersistence() { |
| 904 |
// Add the DynClass definition.
|
| 905 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
| 906 |
DynStruct definition = manager.addDefinition( |
| 907 |
AbstractVectorialLegend.class, |
| 908 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME, |
| 909 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME + " persistence definition",
|
| 910 |
null,
|
| 911 |
null
|
| 912 |
); |
| 913 |
// Extend the Legend base definition
|
| 914 |
definition.extend(LEGEND_PERSISTENCE_DEFINITION_NAME); |
| 915 |
|
| 916 |
// Shapetype
|
| 917 |
definition.addDynFieldInt(FIELD_SHAPETYPE) |
| 918 |
.setMandatory(true);
|
| 919 |
// ZSort
|
| 920 |
definition.addDynFieldBoolean(FIELD_HAS_ZSORT) |
| 921 |
.setMandatory(true);
|
| 922 |
// Default symbol
|
| 923 |
definition.addDynFieldObject(FIELD_DEFAULT_SYMBOL) |
| 924 |
.setClassOfValue(ISymbol.class) |
| 925 |
.setMandatory(true);
|
| 926 |
} |
| 927 |
|
| 928 |
/**
|
| 929 |
* Returns the names of the {@link Feature} attributes required for the
|
| 930 |
* {@link ILegend} to operate.
|
| 931 |
*
|
| 932 |
* @param featureStore
|
| 933 |
* the store where the {@link Feature}s belong to
|
| 934 |
* @return the names of required {@link Feature} attribute names
|
| 935 |
* @throws DataException
|
| 936 |
* if there is an error getting the attribute names
|
| 937 |
*/
|
| 938 |
protected abstract String[] getRequiredFeatureAttributeNames( |
| 939 |
FeatureStore featureStore) throws DataException;
|
| 940 |
} |