svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / legend / impl / AbstractVectorialLegend.java @ 43510
History | View | Annotate | Download (35.2 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
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 3
|
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 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
/*
|
25 |
* AUTHORS (In addition to CIT):
|
26 |
* 2009 {DiSiD Technologies} {{Task}}
|
27 |
*/
|
28 |
package org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl; |
29 |
|
30 |
import java.awt.Graphics2D; |
31 |
import java.awt.geom.Point2D; |
32 |
import java.awt.image.BufferedImage; |
33 |
import java.util.Iterator; |
34 |
import java.util.Map; |
35 |
import java.util.Map.Entry; |
36 |
|
37 |
import org.cresques.cts.ICoordTrans; |
38 |
import org.cresques.cts.IProjection; |
39 |
import org.slf4j.Logger; |
40 |
import org.slf4j.LoggerFactory; |
41 |
|
42 |
import org.gvsig.compat.CompatLocator; |
43 |
import org.gvsig.compat.print.PrintAttributes; |
44 |
import org.gvsig.fmap.dal.exception.DataException; |
45 |
import org.gvsig.fmap.dal.feature.Feature; |
46 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
47 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
48 |
import org.gvsig.fmap.dal.feature.FeatureSelection; |
49 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
50 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
51 |
import org.gvsig.fmap.dal.feature.exception.ConcurrentDataModificationException; |
52 |
import org.gvsig.fmap.geom.Geometry; |
53 |
import org.gvsig.fmap.geom.GeometryLocator; |
54 |
import org.gvsig.fmap.geom.GeometryManager; |
55 |
import org.gvsig.fmap.geom.aggregate.Aggregate; |
56 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
57 |
import org.gvsig.fmap.geom.exception.ReprojectionRuntimeException; |
58 |
import org.gvsig.fmap.geom.primitive.Envelope; |
59 |
import org.gvsig.fmap.mapcontext.MapContext; |
60 |
import org.gvsig.fmap.mapcontext.MapContextException; |
61 |
import org.gvsig.fmap.mapcontext.ViewPort; |
62 |
import org.gvsig.fmap.mapcontext.layers.vectorial.SpatialEvaluatorsFactory; |
63 |
import org.gvsig.fmap.mapcontext.rendering.legend.ILegend; |
64 |
import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
65 |
import org.gvsig.fmap.mapcontext.rendering.legend.LegendException; |
66 |
import org.gvsig.fmap.mapcontext.rendering.legend.ZSort; |
67 |
import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
68 |
import org.gvsig.fmap.mapcontext.rendering.symbols.IMultiLayerSymbol; |
69 |
import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
70 |
import org.gvsig.tools.ToolsLocator; |
71 |
import org.gvsig.tools.dispose.DisposableIterator; |
72 |
import org.gvsig.tools.dispose.DisposeUtils; |
73 |
import org.gvsig.tools.dynobject.DynStruct; |
74 |
import org.gvsig.tools.evaluator.Evaluator; |
75 |
import org.gvsig.tools.exception.BaseException; |
76 |
import org.gvsig.tools.logger.FilteredLogger; |
77 |
import org.gvsig.tools.persistence.PersistenceManager; |
78 |
import org.gvsig.tools.persistence.PersistentState; |
79 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
80 |
import org.gvsig.tools.task.Cancellable; |
81 |
import org.gvsig.tools.task.SimpleTaskStatus; |
82 |
import org.gvsig.tools.util.Callable; |
83 |
import org.gvsig.tools.visitor.VisitCanceledException; |
84 |
import org.gvsig.tools.visitor.Visitor; |
85 |
|
86 |
/**
|
87 |
* Base implementation for Vectorial data Legends.
|
88 |
*
|
89 |
* Provides a draw method implementation which loads the {@link Feature}s and
|
90 |
* uses the {@link ISymbol} objects to draw the {@link Geometry} objects.
|
91 |
*
|
92 |
*/
|
93 |
public abstract class AbstractVectorialLegend extends AbstractLegend implements |
94 |
IVectorLegend { |
95 |
|
96 |
protected static final Logger LOG = LoggerFactory |
97 |
.getLogger(AbstractVectorialLegend.class); |
98 |
|
99 |
private static final int DRAW_MAX_ATTEMPTS = 5; |
100 |
|
101 |
public static final String VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME = "VectorialLegend"; |
102 |
|
103 |
private static final String FIELD_HAS_ZSORT = "hasZSort"; |
104 |
private static final String FIELD_SHAPETYPE = "shapeType"; |
105 |
private static final String FIELD_DEFAULT_SYMBOL = "defaultSymbol"; |
106 |
|
107 |
// private static final GeometryManager geomManager = GeometryLocator
|
108 |
// .getGeometryManager();
|
109 |
|
110 |
protected ZSort zSort;
|
111 |
|
112 |
public ZSort getZSort() {
|
113 |
return zSort;
|
114 |
} |
115 |
|
116 |
public void setZSort(ZSort zSort) { |
117 |
if (zSort == null) { |
118 |
removeLegendListener(this.zSort);
|
119 |
} |
120 |
this.zSort = zSort;
|
121 |
addLegendListener(zSort); |
122 |
} |
123 |
|
124 |
@SuppressWarnings("unchecked") |
125 |
@Override
|
126 |
public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
127 |
Cancellable cancel, double scale, Map queryParameters, |
128 |
ICoordTrans coordTrans, FeatureStore featureStore) |
129 |
throws LegendException {
|
130 |
double dpi = viewPort.getDPI();
|
131 |
draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, |
132 |
featureStore, null, dpi);
|
133 |
} |
134 |
|
135 |
@SuppressWarnings("unchecked") |
136 |
@Override
|
137 |
public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
138 |
Cancellable cancel, double scale, Map queryParameters, |
139 |
ICoordTrans coordTrans, FeatureStore featureStore, FeatureQuery featureQuery) |
140 |
throws LegendException {
|
141 |
double dpi = viewPort.getDPI();
|
142 |
draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, |
143 |
featureStore, featureQuery, dpi); |
144 |
} |
145 |
|
146 |
@SuppressWarnings("unchecked") |
147 |
@Override
|
148 |
public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
149 |
double scale, Map queryParameters, ICoordTrans coordTrans, |
150 |
FeatureStore featureStore, PrintAttributes properties) |
151 |
throws LegendException {
|
152 |
print(g, viewPort, cancel, scale, queryParameters, coordTrans, |
153 |
featureStore, null, properties);
|
154 |
} |
155 |
|
156 |
@SuppressWarnings("unchecked") |
157 |
@Override
|
158 |
public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
159 |
double scale, Map queryParameters, ICoordTrans coordTrans, |
160 |
FeatureStore featureStore, FeatureQuery fquery, PrintAttributes properties) |
161 |
throws LegendException {
|
162 |
double dpi = 72; |
163 |
|
164 |
int resolution = properties.getPrintQuality();
|
165 |
|
166 |
if (resolution == PrintAttributes.PRINT_QUALITY_DRAFT
|
167 |
|| resolution == PrintAttributes.PRINT_QUALITY_NORMAL |
168 |
|| resolution == PrintAttributes.PRINT_QUALITY_HIGH) { |
169 |
dpi = PrintAttributes.PRINT_QUALITY_DPI[resolution]; |
170 |
} |
171 |
|
172 |
FeatureSet featureSet = null;
|
173 |
DisposableIterator it = null;
|
174 |
try {
|
175 |
GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
176 |
ZSort zSort = getZSort(); |
177 |
boolean useZSort = false; |
178 |
int mapLevelCount = 1; |
179 |
|
180 |
if( zSort != null ) { |
181 |
useZSort = zSort.isUsingZSort(); |
182 |
if( useZSort ) {
|
183 |
mapLevelCount = zSort.getLevelCount(); |
184 |
} |
185 |
} |
186 |
for (int mapPass = 0; mapPass < mapLevelCount; mapPass++) { |
187 |
|
188 |
Envelope vp_env_in_store_crs; |
189 |
IProjection store_crs; |
190 |
if (coordTrans != null) { |
191 |
// 'coordTrans' is from store crs to vp crs
|
192 |
ICoordTrans inv = coordTrans.getInverted(); |
193 |
Envelope aux = viewPort.getAdjustedEnvelope(); |
194 |
vp_env_in_store_crs = aux.convert(inv); |
195 |
store_crs = coordTrans.getPOrig(); |
196 |
} else {
|
197 |
vp_env_in_store_crs = viewPort.getAdjustedEnvelope(); |
198 |
store_crs = viewPort.getProjection(); |
199 |
} |
200 |
|
201 |
FeatureQuery feat_query = fquery; |
202 |
Envelope store_env = featureStore.getEnvelope(); |
203 |
boolean use_intersection_cond;
|
204 |
if (store_env == null) { |
205 |
// Store does not know its envelope, so we must:
|
206 |
use_intersection_cond = true;
|
207 |
} else {
|
208 |
if (vp_env_in_store_crs.contains(store_env)) {
|
209 |
use_intersection_cond = false;
|
210 |
} else {
|
211 |
use_intersection_cond = true;
|
212 |
} |
213 |
} |
214 |
|
215 |
if (use_intersection_cond) {
|
216 |
Evaluator iee = SpatialEvaluatorsFactory.getInstance().intersects( |
217 |
vp_env_in_store_crs, |
218 |
store_crs, |
219 |
featureStore |
220 |
); |
221 |
if (feat_query == null) { |
222 |
feat_query = featureStore.createFeatureQuery(); |
223 |
} |
224 |
String[] fns = getRequiredFeatureAttributeNames(featureStore); |
225 |
for (int i = 0; i < fns.length; i++) { |
226 |
feat_query.addAttributeName(fns[i]); |
227 |
} |
228 |
feat_query.addFilter(iee); |
229 |
} |
230 |
|
231 |
// 'feat_query' can still be NULL here, so we only filter
|
232 |
// the featureStore if it's not null
|
233 |
if (feat_query == null) { |
234 |
featureSet = featureStore.getFeatureSet(); |
235 |
} else {
|
236 |
featureSet = featureStore.getFeatureSet(feat_query); |
237 |
} |
238 |
it = featureSet.fastIterator(); |
239 |
// Iteration over each feature
|
240 |
FilteredLogger logger = new FilteredLogger(LOG,"Drawing "+featureStore.getName(), 10); |
241 |
while (!cancel.isCanceled() && it.hasNext()) {
|
242 |
Feature feat = (Feature) it.next(); |
243 |
try {
|
244 |
Geometry geom = feat.getDefaultGeometry(); |
245 |
if (geom==null) { |
246 |
continue;
|
247 |
} |
248 |
// Reprojection if needed
|
249 |
if (coordTrans != null) { |
250 |
geom = geom.cloneGeometry(); |
251 |
geom.reProject(coordTrans); |
252 |
} |
253 |
|
254 |
// retrieve the symbol associated to such feature
|
255 |
ISymbol sym = getSymbolByFeature(feat); |
256 |
if (sym == null) { |
257 |
continue;
|
258 |
} |
259 |
if (useZSort) {
|
260 |
int[] symLevels = zSort.getLevels(sym); |
261 |
if (symLevels != null) { |
262 |
|
263 |
// Check if this symbol is a multilayer
|
264 |
if (sym instanceof IMultiLayerSymbol) { |
265 |
// if so, get the layer corresponding to the
|
266 |
// current level. If none, continue to next
|
267 |
// iteration
|
268 |
IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym; |
269 |
for (int i = 0; i < mlSym.getLayerCount(); i++) { |
270 |
ISymbol mySym = mlSym.getLayer(i); |
271 |
if (symLevels[i] == mapPass) {
|
272 |
sym = mySym; |
273 |
break;
|
274 |
} |
275 |
} |
276 |
|
277 |
} else {
|
278 |
// else, just draw the symbol in its level
|
279 |
if (symLevels[0] != mapPass) { |
280 |
continue;
|
281 |
} |
282 |
} |
283 |
} |
284 |
} |
285 |
|
286 |
// Check if this symbol is sized with CartographicSupport
|
287 |
CartographicSupport csSym = null;
|
288 |
int symbolType = sym.getSymbolType();
|
289 |
|
290 |
if (symbolType == Geometry.TYPES.POINT
|
291 |
|| geomManager.isSubtype(symbolType, Geometry.TYPES.CURVE) |
292 |
|| sym instanceof CartographicSupport) {
|
293 |
|
294 |
csSym = (CartographicSupport) sym; |
295 |
} |
296 |
|
297 |
if (csSym == null) { |
298 |
DrawUtils.drawInts(g, viewPort, sym, feat, geom); |
299 |
} else {
|
300 |
DrawUtils.drawInts(g, viewPort, cancel, dpi, sym, feat, geom); |
301 |
} |
302 |
|
303 |
} catch(Exception ex) { |
304 |
FeatureReference ref = null;
|
305 |
if( feat!=null ) { |
306 |
ref = feat.getReference(); |
307 |
} |
308 |
logger.warn("Can't draw feature ("+ref+").", ex); |
309 |
} |
310 |
} |
311 |
} |
312 |
} catch (DataException e) {
|
313 |
throw new LegendDrawingException(e); |
314 |
} finally {
|
315 |
if (it != null) { |
316 |
it.dispose(); |
317 |
} |
318 |
if (featureSet != null) { |
319 |
featureSet.dispose(); |
320 |
} |
321 |
} |
322 |
} |
323 |
|
324 |
/**
|
325 |
* Draws the features from the {@link FeatureStore}, filtered with the scale
|
326 |
* and the query parameters, with the symbols of the legend.
|
327 |
* @param image
|
328 |
* @param g
|
329 |
* @param viewPort
|
330 |
* @param cancel
|
331 |
* @param scale
|
332 |
* @param queryParameters
|
333 |
* @param coordTrans
|
334 |
* @param featureStore
|
335 |
* @param featureQuery
|
336 |
* @param dpi
|
337 |
* @throws org.gvsig.fmap.mapcontext.rendering.legend.LegendException
|
338 |
*/
|
339 |
@SuppressWarnings("unchecked") |
340 |
protected void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
341 |
Cancellable cancel, double scale, Map queryParameters, |
342 |
ICoordTrans coordTrans, FeatureStore featureStore, |
343 |
FeatureQuery featureQuery, double dpi) throws LegendException { |
344 |
|
345 |
SimpleTaskStatus taskStatus = ToolsLocator.getTaskStatusManager() |
346 |
.createDefaultSimpleTaskStatus(featureStore.getName()); |
347 |
taskStatus.add(); |
348 |
try {
|
349 |
// Avoid ConcurrentModificationException errors if
|
350 |
// while drawing another thread edits the store data.
|
351 |
synchronized (featureStore) {
|
352 |
internalDraw(image, g, viewPort, cancel, scale, |
353 |
queryParameters, coordTrans, featureStore, |
354 |
featureQuery, dpi, taskStatus); |
355 |
} |
356 |
} finally {
|
357 |
taskStatus.terminate(); |
358 |
taskStatus.remove(); |
359 |
} |
360 |
} |
361 |
|
362 |
protected void internalDraw(BufferedImage image, Graphics2D g, |
363 |
ViewPort viewPort, Cancellable cancel, double scale,
|
364 |
Map queryParameters, ICoordTrans coordTrans,
|
365 |
FeatureStore featureStore, FeatureQuery featureQuery, double dpi,
|
366 |
SimpleTaskStatus taskStatus) throws LegendDrawingException {
|
367 |
|
368 |
if (!getDefaultSymbol().isShapeVisible()) {
|
369 |
return;
|
370 |
} |
371 |
|
372 |
if (cancel.isCanceled()) {
|
373 |
return;
|
374 |
} |
375 |
|
376 |
IProjection dataProjection; |
377 |
Envelope dataEnvelope; |
378 |
Envelope reprojectedDataEnvelope; |
379 |
// Gets the view envelope
|
380 |
Envelope viewPortEnvelope = viewPort.getAdjustedEnvelope(); |
381 |
Envelope reprojectedViewPortEnvelope; |
382 |
try {
|
383 |
dataEnvelope = featureStore.getEnvelope(); |
384 |
if (coordTrans == null) { |
385 |
dataProjection = featureStore.getDefaultFeatureType() |
386 |
.getDefaultSRS(); |
387 |
|
388 |
// If the data does not provide a projection, use the
|
389 |
// current view one
|
390 |
if (dataProjection == null) { |
391 |
dataProjection = viewPort.getProjection(); |
392 |
} |
393 |
|
394 |
reprojectedDataEnvelope = dataEnvelope; |
395 |
reprojectedViewPortEnvelope = viewPortEnvelope; |
396 |
} else {
|
397 |
dataProjection = coordTrans.getPOrig(); |
398 |
|
399 |
if ( dataEnvelope!=null && !dataEnvelope.isEmpty()) { |
400 |
reprojectedDataEnvelope = dataEnvelope.convert(coordTrans); |
401 |
} else {
|
402 |
reprojectedDataEnvelope = dataEnvelope; |
403 |
} |
404 |
if ( viewPortEnvelope!=null && !viewPortEnvelope.isEmpty()) { |
405 |
reprojectedViewPortEnvelope = viewPortEnvelope.convert(coordTrans.getInverted()); |
406 |
} else {
|
407 |
reprojectedViewPortEnvelope = viewPortEnvelope; |
408 |
} |
409 |
} |
410 |
} catch (DataException e) {
|
411 |
throw new LegendDrawingException(e); |
412 |
} |
413 |
|
414 |
|
415 |
// Gets the data envelope with the viewport SRS
|
416 |
// Envelope myEnvelope = reprojectedDataEnvelope;
|
417 |
|
418 |
// TODO: in some cases, the legend may need a different check to
|
419 |
// decide if the data must be drawn or not
|
420 |
// Checks if the viewport envelope intersects with the data envelope
|
421 |
// This condition may seem redundant, but sometimes the transformations may fail and cause false negatives.
|
422 |
if ((viewPortEnvelope==null || !viewPortEnvelope.intersects(reprojectedDataEnvelope)) && !(reprojectedViewPortEnvelope!=null && reprojectedViewPortEnvelope.intersects(dataEnvelope))) { |
423 |
// The data is not visible in the current viewport, do nothing.
|
424 |
return;
|
425 |
} |
426 |
|
427 |
// Check if all the data is contained into the viewport envelope
|
428 |
// This condition may seem redundant, but sometimes the transformations may fail and cause false negatives.
|
429 |
boolean containsAll = viewPortEnvelope.contains(reprojectedDataEnvelope) || (reprojectedViewPortEnvelope!=null && reprojectedViewPortEnvelope.contains(dataEnvelope)); |
430 |
|
431 |
// Create the drawing notification to be reused on each iteration
|
432 |
DefaultFeatureDrawnNotification drawnNotification = new DefaultFeatureDrawnNotification();
|
433 |
|
434 |
if (cancel.isCanceled()) {
|
435 |
return;
|
436 |
} |
437 |
|
438 |
FeatureSet featureSet = null;
|
439 |
try {
|
440 |
taskStatus.message("Retrieve selection");
|
441 |
FeatureSelection selection = featureStore.getFeatureSelection(); |
442 |
|
443 |
if (featureQuery == null) { |
444 |
featureQuery = featureStore.createFeatureQuery(); |
445 |
} |
446 |
|
447 |
completeQuery(featureStore, featureQuery, scale, queryParameters, |
448 |
coordTrans, dataProjection, viewPortEnvelope, containsAll); |
449 |
|
450 |
taskStatus.message("Retrieve data");
|
451 |
featureSet = featureStore.getFeatureSet(featureQuery); |
452 |
|
453 |
if (cancel.isCanceled()) {
|
454 |
return;
|
455 |
} |
456 |
|
457 |
taskStatus.message("Drawing");
|
458 |
drawFeatures(image, g, viewPort, cancel, coordTrans, dpi, |
459 |
drawnNotification, featureSet, selection); |
460 |
|
461 |
} catch (Throwable e) { |
462 |
/*
|
463 |
* Probably a reprojection exception (for example,
|
464 |
* trying to reproject Canada to EPSG:23030)
|
465 |
*/
|
466 |
throw new LegendDrawingException(e); |
467 |
} finally {
|
468 |
if (featureSet != null) { |
469 |
featureSet.dispose(); |
470 |
} |
471 |
} |
472 |
} |
473 |
|
474 |
/**
|
475 |
* Complete a {@link FeatureQuery} to load the {@link Feature}s to draw.
|
476 |
*/
|
477 |
@SuppressWarnings("unchecked") |
478 |
private FeatureQuery completeQuery(FeatureStore featureStore, FeatureQuery featureQuery, double scale, |
479 |
Map queryParameters, ICoordTrans coordTrans,
|
480 |
IProjection dataProjection, Envelope viewPortEnvelope, |
481 |
boolean containsAll) throws DataException { |
482 |
|
483 |
featureQuery.setScale(scale); |
484 |
|
485 |
//Adds the attributes
|
486 |
String[] fieldNames = getRequiredFeatureAttributeNames(featureStore); |
487 |
for (int i=0 ; i<fieldNames.length ;i++){ |
488 |
featureQuery.addAttributeName(fieldNames[i]); |
489 |
} |
490 |
|
491 |
if (!containsAll) {
|
492 |
// Gets the viewport envelope with the data SRS
|
493 |
Envelope viewPortEnvelopeInMyProj = viewPortEnvelope; |
494 |
if (coordTrans != null) { |
495 |
viewPortEnvelopeInMyProj = viewPortEnvelope.convert(coordTrans |
496 |
.getInverted()); |
497 |
} |
498 |
|
499 |
if (dataProjection == null) { |
500 |
throw new IllegalArgumentException( |
501 |
"Error, the projection parameter value is null");
|
502 |
} |
503 |
|
504 |
Evaluator iee = SpatialEvaluatorsFactory.getInstance().intersects( |
505 |
viewPortEnvelopeInMyProj, |
506 |
dataProjection, |
507 |
featureStore |
508 |
); |
509 |
featureQuery.addFilter(iee); |
510 |
} |
511 |
if (queryParameters != null) { |
512 |
Iterator iterEntry = queryParameters.entrySet().iterator();
|
513 |
Entry entry; |
514 |
while (iterEntry.hasNext()) {
|
515 |
entry = (Entry) iterEntry.next(); |
516 |
featureQuery.setQueryParameter((String) entry.getKey(),
|
517 |
entry.getValue()); |
518 |
} |
519 |
} |
520 |
return featureQuery;
|
521 |
} |
522 |
|
523 |
/**
|
524 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
525 |
* legend.
|
526 |
*/
|
527 |
protected void drawFeatures(BufferedImage image, Graphics2D g, |
528 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
529 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
530 |
FeatureSet featureSet, FeatureSelection selection) |
531 |
throws BaseException {
|
532 |
if (isUseZSort()) {
|
533 |
drawFeaturesMultiLayer(image, g, viewPort, cancel, coordTrans, dpi, |
534 |
drawnNotification, featureSet, selection); |
535 |
} else {
|
536 |
drawFeaturesSingleLayer(image, g, viewPort, cancel, coordTrans, |
537 |
dpi, drawnNotification, featureSet, selection); |
538 |
} |
539 |
} |
540 |
|
541 |
/**
|
542 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
543 |
* legend, using a single drawing layer.
|
544 |
*/
|
545 |
private void drawFeaturesSingleLayer(final BufferedImage image, |
546 |
final Graphics2D g, final ViewPort viewPort, |
547 |
final Cancellable cancel, final ICoordTrans coordTrans, |
548 |
final double dpi, |
549 |
final DefaultFeatureDrawnNotification drawnNotification,
|
550 |
FeatureSet featureSet, final FeatureSelection selection)
|
551 |
throws BaseException {
|
552 |
|
553 |
try {
|
554 |
featureSet.accept(new Visitor() {
|
555 |
@Override
|
556 |
public void visit(Object obj) throws VisitCanceledException, |
557 |
BaseException { |
558 |
Feature feat = (Feature) obj; |
559 |
drawFeatureSingleLayer(image, g, viewPort, cancel, |
560 |
coordTrans, dpi, drawnNotification, feat, selection); |
561 |
} |
562 |
}); |
563 |
|
564 |
} catch (ConcurrentDataModificationException e) {
|
565 |
cancel.setCanceled(true);
|
566 |
} |
567 |
} |
568 |
|
569 |
/**
|
570 |
* Draws a Feature with the symbols of the legend, using a single drawing
|
571 |
* layer.
|
572 |
*/
|
573 |
private void drawFeatureSingleLayer(BufferedImage image, Graphics2D g, |
574 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
575 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
576 |
Feature feat, FeatureSelection selection) |
577 |
throws MapContextException, CreateGeometryException {
|
578 |
|
579 |
Geometry geom = feat.getDefaultGeometry(); |
580 |
if (geom == null) { |
581 |
return;
|
582 |
} |
583 |
|
584 |
if (geom.getType() == Geometry.TYPES.NULL) {
|
585 |
return;
|
586 |
} |
587 |
|
588 |
ISymbol sym = getSymbol(feat, selection); |
589 |
if (sym == null) { |
590 |
return;
|
591 |
} |
592 |
|
593 |
if (coordTrans != null) { |
594 |
geom = geom.cloneGeometry(); |
595 |
try {
|
596 |
geom.reProject(coordTrans); |
597 |
} catch (ReprojectionRuntimeException re) {
|
598 |
LOG.warn("Can't reproject geometry "+geom.toString(), re);
|
599 |
return;
|
600 |
} |
601 |
} |
602 |
|
603 |
if (cancel.isCanceled()) {
|
604 |
return;
|
605 |
} |
606 |
|
607 |
drawGeometry(geom, image, feat, sym, viewPort, g, dpi, cancel); |
608 |
|
609 |
// Notify the drawing observers
|
610 |
drawnNotification.setFeature(feat); |
611 |
drawnNotification.setDrawnGeometry(geom); |
612 |
notifyObservers(drawnNotification); |
613 |
} |
614 |
|
615 |
/**
|
616 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
617 |
* legend, using a multiple drawing layer.
|
618 |
*/
|
619 |
private void drawFeaturesMultiLayer(BufferedImage image, Graphics2D g, |
620 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
621 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
622 |
FeatureSet featureSet, FeatureSelection selection) |
623 |
throws MapContextException, CreateGeometryException, DataException {
|
624 |
|
625 |
// -- visual FX stuff
|
626 |
long time = System.currentTimeMillis(); |
627 |
|
628 |
boolean bSymbolLevelError = false; |
629 |
int screenRefreshDelay = (int) ((1D / MapContext.getDrawFrameRate()) * 3 * 1000); |
630 |
BufferedImage[] imageLevels; |
631 |
Graphics2D[] graphics; |
632 |
|
633 |
imageLevels = new BufferedImage[getZSort().getLevelCount()]; |
634 |
graphics = new Graphics2D[imageLevels.length]; |
635 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
636 |
|
637 |
imageLevels[i] = CompatLocator.getGraphicsUtils() |
638 |
.createBufferedImage(image.getWidth(), image.getHeight(), |
639 |
image.getType()); |
640 |
|
641 |
graphics[i] = imageLevels[i].createGraphics(); |
642 |
graphics[i].setTransform(g.getTransform()); |
643 |
graphics[i].setRenderingHints(g.getRenderingHints()); |
644 |
} |
645 |
|
646 |
DisposableIterator it = null;
|
647 |
try {
|
648 |
it = featureSet.fastIterator(); |
649 |
// Iteration over each feature
|
650 |
while (it.hasNext()) {
|
651 |
if (cancel.isCanceled()) {
|
652 |
return;
|
653 |
} |
654 |
Feature feat = (Feature) it.next(); |
655 |
|
656 |
bSymbolLevelError |= drawFeatureMultiLayer(image, g, viewPort, |
657 |
cancel, coordTrans, dpi, drawnNotification, selection, |
658 |
time, screenRefreshDelay, imageLevels, graphics, feat); |
659 |
|
660 |
} |
661 |
} catch (ConcurrentDataModificationException e) {
|
662 |
cancel.setCanceled(true);
|
663 |
return;
|
664 |
} finally {
|
665 |
DisposeUtils.dispose(it); |
666 |
} |
667 |
|
668 |
g.drawImage(image, 0, 0, null); |
669 |
|
670 |
Point2D offset = viewPort.getOffset();
|
671 |
CompatLocator.getGraphicsUtils().translate(g, offset.getX(), |
672 |
offset.getY()); |
673 |
|
674 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
675 |
g.drawImage(imageLevels[i], 0, 0, null); |
676 |
imageLevels[i] = null;
|
677 |
graphics[i] = null;
|
678 |
} |
679 |
|
680 |
CompatLocator.getGraphicsUtils().translate(g, -offset.getX(), |
681 |
-offset.getY()); |
682 |
|
683 |
if (bSymbolLevelError) {
|
684 |
setZSort(null);
|
685 |
} |
686 |
} |
687 |
|
688 |
/**
|
689 |
* Draws a Feature with the symbols of the legend, using a multiple drawing
|
690 |
* layer.
|
691 |
*/
|
692 |
private boolean drawFeatureMultiLayer(BufferedImage image, Graphics2D g, |
693 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
694 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
695 |
FeatureSelection selection, long time, int screenRefreshDelay, |
696 |
BufferedImage[] imageLevels, Graphics2D[] graphics, Feature feat) |
697 |
throws MapContextException, CreateGeometryException {
|
698 |
|
699 |
Geometry geom = feat.getDefaultGeometry(); |
700 |
boolean bSymbolLevelError = false; |
701 |
long drawingTime = time;
|
702 |
|
703 |
if (geom==null || geom.getType() == Geometry.TYPES.NULL) { |
704 |
return false; |
705 |
} |
706 |
|
707 |
ISymbol sym = getSymbol(feat, selection); |
708 |
|
709 |
if (sym == null) { |
710 |
return false; |
711 |
} |
712 |
|
713 |
if (coordTrans != null) { |
714 |
geom = geom.cloneGeometry(); |
715 |
geom.reProject(coordTrans); |
716 |
} |
717 |
|
718 |
if (cancel.isCanceled()) {
|
719 |
return false; |
720 |
} |
721 |
|
722 |
// Check if this symbol is a multilayer
|
723 |
int[] symLevels = getZSort().getLevels(sym); |
724 |
if (sym instanceof IMultiLayerSymbol) { |
725 |
// if so, treat each of its layers as a single
|
726 |
// symbol
|
727 |
// in its corresponding map level
|
728 |
IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym; |
729 |
for (int i = 0; !cancel.isCanceled() && i < mlSym.getLayerCount(); i++) { |
730 |
ISymbol mySym = mlSym.getLayer(i); |
731 |
int symbolLevel = 0; |
732 |
if (symLevels != null) { |
733 |
symbolLevel = symLevels[i]; |
734 |
} else {
|
735 |
/*
|
736 |
* an error occured when managing symbol levels some of the
|
737 |
* legend changed events regarding the symbols did not
|
738 |
* finish satisfactory and the legend is now inconsistent.
|
739 |
* For this drawing, it will finish as it was at the bottom
|
740 |
* (level 0) but, when done, the ZSort will be reset to
|
741 |
* avoid app crashes. This is a bug that has to be fixed.
|
742 |
*/
|
743 |
bSymbolLevelError = true;
|
744 |
} |
745 |
drawGeometry(geom, imageLevels[symbolLevel], feat, mySym, |
746 |
viewPort, graphics[symbolLevel], dpi, cancel); |
747 |
} |
748 |
} else {
|
749 |
// else, just draw the symbol in its level
|
750 |
int symbolLevel = 0; |
751 |
if (symLevels != null) { |
752 |
symbolLevel = symLevels[0];
|
753 |
} |
754 |
drawGeometry(geom, imageLevels[symbolLevel], feat, sym, viewPort, |
755 |
graphics[symbolLevel], dpi, cancel); |
756 |
} |
757 |
|
758 |
// -- visual FX stuff
|
759 |
// Cuando el offset!=0 se est? dibujando sobre el
|
760 |
// Layout y por tanto no tiene que ejecutar el
|
761 |
// siguiente c?digo.
|
762 |
Point2D offset = viewPort.getOffset();
|
763 |
if (offset.getX() == 0 && offset.getY() == 0) { |
764 |
if ((System.currentTimeMillis() - drawingTime) > screenRefreshDelay) { |
765 |
|
766 |
BufferedImage virtualBim = CompatLocator.getGraphicsUtils()
|
767 |
.createBufferedImage(image.getWidth(), |
768 |
image.getHeight(), BufferedImage.TYPE_INT_ARGB);
|
769 |
|
770 |
Graphics2D virtualGraphics = virtualBim.createGraphics();
|
771 |
virtualGraphics.drawImage(image, 0, 0, null); |
772 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
773 |
virtualGraphics.drawImage(imageLevels[i], 0, 0, null); |
774 |
} |
775 |
g.clearRect(0, 0, image.getWidth(), image.getHeight()); |
776 |
g.drawImage(virtualBim, 0, 0, null); |
777 |
drawingTime = System.currentTimeMillis();
|
778 |
} |
779 |
// -- end visual FX stuff
|
780 |
|
781 |
} |
782 |
// Notify the drawing observers
|
783 |
drawnNotification.setFeature(feat); |
784 |
drawnNotification.setDrawnGeometry(geom); |
785 |
notifyObservers(drawnNotification); |
786 |
return bSymbolLevelError;
|
787 |
} |
788 |
|
789 |
/**
|
790 |
* Returns the symbol to use to draw a {@link Feature} taking into account
|
791 |
* if it is selected.
|
792 |
*/
|
793 |
private ISymbol getSymbol(Feature feat, FeatureSelection selection)
|
794 |
throws MapContextException {
|
795 |
// retrieve the symbol associated to such feature
|
796 |
ISymbol sym = getSymbolByFeature(feat); |
797 |
|
798 |
if (sym != null && selection.isSelected(feat)) { |
799 |
sym = sym.getSymbolForSelection(); |
800 |
} |
801 |
return sym;
|
802 |
} |
803 |
|
804 |
/**
|
805 |
* Returns if the legend is using a ZSort.
|
806 |
*/
|
807 |
private boolean isUseZSort() { |
808 |
return getZSort() != null && getZSort().isUsingZSort(); |
809 |
} |
810 |
|
811 |
/**
|
812 |
* Draws a {@link Geometry} using the given {@link ISymbol}, over the
|
813 |
* {@link Graphics2D} object.
|
814 |
*/
|
815 |
private void drawGeometry(Geometry geom, BufferedImage image, |
816 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
817 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
818 |
throws CreateGeometryException {
|
819 |
|
820 |
if (geom instanceof Aggregate) { |
821 |
drawAggregate((Aggregate) geom, image, feature, symbol, viewPort, |
822 |
graphics, dpi, cancellable); |
823 |
} else {
|
824 |
boolean bDrawCartographicSupport = false; |
825 |
if (symbol instanceof CartographicSupport) { |
826 |
bDrawCartographicSupport = ((CartographicSupport) symbol) |
827 |
.getUnit() != -1;
|
828 |
} |
829 |
|
830 |
double previousSize = 0.0d; |
831 |
|
832 |
if (bDrawCartographicSupport) {
|
833 |
// make the symbol to resize itself with the current rendering
|
834 |
// context
|
835 |
previousSize = ((CartographicSupport) symbol) |
836 |
.toCartographicSize(viewPort, dpi, geom); |
837 |
} |
838 |
|
839 |
try {
|
840 |
symbol.draw(graphics, viewPort.getAffineTransform(), geom, |
841 |
feature, cancellable); |
842 |
} finally {
|
843 |
if (bDrawCartographicSupport) {
|
844 |
// restore previous size
|
845 |
((CartographicSupport) symbol).setCartographicSize( |
846 |
previousSize, geom); |
847 |
} |
848 |
} |
849 |
} |
850 |
} |
851 |
|
852 |
/**
|
853 |
* Draws an {@link Aggregate} using the given {@link ISymbol}, over the
|
854 |
* {@link Graphics2D} object.
|
855 |
*/
|
856 |
private void drawAggregate(Aggregate aggregate, BufferedImage image, |
857 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
858 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
859 |
throws CreateGeometryException {
|
860 |
for (int i = 0; i < aggregate.getPrimitivesNumber(); i++) { |
861 |
Geometry prim = aggregate.getPrimitiveAt(i); |
862 |
drawGeometry(prim, image, feature, symbol, viewPort, graphics, dpi, |
863 |
cancellable); |
864 |
} |
865 |
} |
866 |
|
867 |
@Override
|
868 |
public Object clone() throws CloneNotSupportedException { |
869 |
AbstractVectorialLegend clone = (AbstractVectorialLegend) super.clone();
|
870 |
|
871 |
// Clone zSort
|
872 |
ZSort zSort = getZSort(); |
873 |
if (zSort != null) { |
874 |
clone.setZSort(new ZSort(clone));
|
875 |
} |
876 |
return clone;
|
877 |
} |
878 |
|
879 |
@Override
|
880 |
public void loadFromState(PersistentState state) |
881 |
throws PersistenceException {
|
882 |
// Set parent properties
|
883 |
super.loadFromState(state);
|
884 |
// Set own properties
|
885 |
|
886 |
setShapeType(state.getInt(FIELD_SHAPETYPE)); |
887 |
if (state.getBoolean(FIELD_HAS_ZSORT)) {
|
888 |
setZSort(new ZSort(this)); |
889 |
} |
890 |
setDefaultSymbol((ISymbol) state.get(FIELD_DEFAULT_SYMBOL)); |
891 |
} |
892 |
|
893 |
@Override
|
894 |
public void saveToState(PersistentState state) throws PersistenceException { |
895 |
// Save parent properties
|
896 |
super.saveToState(state);
|
897 |
// Save own properties
|
898 |
state.set(FIELD_SHAPETYPE, getShapeType()); |
899 |
state.set(FIELD_HAS_ZSORT, this.zSort != null); |
900 |
state.set(FIELD_DEFAULT_SYMBOL, getDefaultSymbol()); |
901 |
} |
902 |
|
903 |
public static class RegisterPersistence implements Callable { |
904 |
|
905 |
@Override
|
906 |
public Object call() throws Exception { |
907 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
908 |
if (manager
|
909 |
.getDefinition(VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME) == null) {
|
910 |
DynStruct definition = manager.addDefinition( |
911 |
AbstractVectorialLegend.class, |
912 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME, |
913 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME |
914 |
+ " persistence definition", null, null); |
915 |
// Extend the Legend base definition
|
916 |
definition.extend(manager.getDefinition(LEGEND_PERSISTENCE_DEFINITION_NAME)); |
917 |
|
918 |
// Shapetype
|
919 |
definition.addDynFieldInt(FIELD_SHAPETYPE).setMandatory(true);
|
920 |
// ZSort
|
921 |
definition.addDynFieldBoolean(FIELD_HAS_ZSORT).setMandatory(true);
|
922 |
// Default symbol
|
923 |
definition.addDynFieldObject(FIELD_DEFAULT_SYMBOL) |
924 |
.setClassOfValue(ISymbol.class).setMandatory(true);
|
925 |
} |
926 |
return Boolean.TRUE; |
927 |
} |
928 |
|
929 |
} |
930 |
|
931 |
/**
|
932 |
* Returns the names of the {@link Feature} attributes required for the
|
933 |
* {@link ILegend} to operate.
|
934 |
*
|
935 |
* @param featureStore
|
936 |
* the store where the {@link Feature}s belong to
|
937 |
* @return the names of required {@link Feature} attribute names
|
938 |
* @throws DataException
|
939 |
* if there is an error getting the attribute names
|
940 |
*/
|
941 |
protected abstract String[] getRequiredFeatureAttributeNames( |
942 |
FeatureStore featureStore) throws DataException;
|
943 |
} |