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 @ 43295
History | View | Annotate | Download (36.1 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.exception.ReadException; |
46 |
import org.gvsig.fmap.dal.feature.Feature; |
47 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
48 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
49 |
import org.gvsig.fmap.dal.feature.FeatureSelection; |
50 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
51 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
52 |
import org.gvsig.fmap.dal.feature.FeatureType; |
53 |
import org.gvsig.fmap.dal.feature.exception.ConcurrentDataModificationException; |
54 |
import org.gvsig.fmap.geom.Geometry; |
55 |
import org.gvsig.fmap.geom.GeometryLocator; |
56 |
import org.gvsig.fmap.geom.GeometryManager; |
57 |
import org.gvsig.fmap.geom.aggregate.Aggregate; |
58 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
59 |
import org.gvsig.fmap.geom.exception.ReprojectionRuntimeException; |
60 |
import org.gvsig.fmap.geom.operation.DrawInts; |
61 |
import org.gvsig.fmap.geom.operation.DrawOperationContext; |
62 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
63 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
64 |
import org.gvsig.fmap.geom.primitive.Envelope; |
65 |
import org.gvsig.fmap.mapcontext.MapContext; |
66 |
import org.gvsig.fmap.mapcontext.MapContextException; |
67 |
import org.gvsig.fmap.mapcontext.ViewPort; |
68 |
import org.gvsig.fmap.mapcontext.layers.vectorial.IntersectsEnvelopeEvaluator; |
69 |
import org.gvsig.fmap.mapcontext.layers.vectorial.SpatialEvaluatorsFactory; |
70 |
import org.gvsig.fmap.mapcontext.rendering.legend.ILegend; |
71 |
import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
72 |
import org.gvsig.fmap.mapcontext.rendering.legend.LegendException; |
73 |
import org.gvsig.fmap.mapcontext.rendering.legend.ZSort; |
74 |
import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
75 |
import org.gvsig.fmap.mapcontext.rendering.symbols.IMultiLayerSymbol; |
76 |
import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
77 |
import org.gvsig.tools.ToolsLocator; |
78 |
import org.gvsig.tools.dispose.DisposableIterator; |
79 |
import org.gvsig.tools.dynobject.DynStruct; |
80 |
import org.gvsig.tools.evaluator.Evaluator; |
81 |
import org.gvsig.tools.exception.BaseException; |
82 |
import org.gvsig.tools.logger.FilteredLogger; |
83 |
import org.gvsig.tools.persistence.PersistenceManager; |
84 |
import org.gvsig.tools.persistence.PersistentState; |
85 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
86 |
import org.gvsig.tools.task.Cancellable; |
87 |
import org.gvsig.tools.task.SimpleTaskStatus; |
88 |
import org.gvsig.tools.util.Callable; |
89 |
import org.gvsig.tools.visitor.VisitCanceledException; |
90 |
import org.gvsig.tools.visitor.Visitor; |
91 |
|
92 |
/**
|
93 |
* Base implementation for Vectorial data Legends.
|
94 |
*
|
95 |
* Provides a draw method implementation which loads the {@link Feature}s and
|
96 |
* uses the {@link ISymbol} objects to draw the {@link Geometry} objects.
|
97 |
*
|
98 |
* @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
|
99 |
*/
|
100 |
public abstract class AbstractVectorialLegend extends AbstractLegend implements |
101 |
IVectorLegend { |
102 |
|
103 |
private static final Logger LOG = LoggerFactory |
104 |
.getLogger(AbstractVectorialLegend.class); |
105 |
|
106 |
private static final int DRAW_MAX_ATTEMPTS = 5; |
107 |
|
108 |
public static final String VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME = "VectorialLegend"; |
109 |
|
110 |
private static final String FIELD_HAS_ZSORT = "hasZSort"; |
111 |
private static final String FIELD_SHAPETYPE = "shapeType"; |
112 |
private static final String FIELD_DEFAULT_SYMBOL = "defaultSymbol"; |
113 |
|
114 |
private static final GeometryManager geomManager = GeometryLocator |
115 |
.getGeometryManager(); |
116 |
|
117 |
protected ZSort zSort;
|
118 |
|
119 |
public ZSort getZSort() {
|
120 |
return zSort;
|
121 |
} |
122 |
|
123 |
public void setZSort(ZSort zSort) { |
124 |
if (zSort == null) { |
125 |
removeLegendListener(this.zSort);
|
126 |
} |
127 |
this.zSort = zSort;
|
128 |
addLegendListener(zSort); |
129 |
} |
130 |
|
131 |
@SuppressWarnings("unchecked") |
132 |
public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
133 |
Cancellable cancel, double scale, Map queryParameters, |
134 |
ICoordTrans coordTrans, FeatureStore featureStore) |
135 |
throws LegendException {
|
136 |
double dpi = viewPort.getDPI();
|
137 |
draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, |
138 |
featureStore, null, dpi);
|
139 |
} |
140 |
|
141 |
@SuppressWarnings("unchecked") |
142 |
public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
143 |
Cancellable cancel, double scale, Map queryParameters, |
144 |
ICoordTrans coordTrans, FeatureStore featureStore, FeatureQuery featureQuery) |
145 |
throws LegendException {
|
146 |
double dpi = viewPort.getDPI();
|
147 |
draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, |
148 |
featureStore, featureQuery, dpi); |
149 |
} |
150 |
|
151 |
@SuppressWarnings("unchecked") |
152 |
public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
153 |
double scale, Map queryParameters, ICoordTrans coordTrans, |
154 |
FeatureStore featureStore, PrintAttributes properties) |
155 |
throws LegendException {
|
156 |
print(g, viewPort, cancel, scale, queryParameters, coordTrans, |
157 |
featureStore, null, properties);
|
158 |
} |
159 |
|
160 |
@SuppressWarnings("unchecked") |
161 |
public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
162 |
double scale, Map queryParameters, ICoordTrans coordTrans, |
163 |
FeatureStore featureStore, FeatureQuery fquery, PrintAttributes properties) |
164 |
throws LegendException {
|
165 |
double dpi = 72; |
166 |
|
167 |
int resolution = properties.getPrintQuality();
|
168 |
|
169 |
if (resolution == PrintAttributes.PRINT_QUALITY_DRAFT
|
170 |
|| resolution == PrintAttributes.PRINT_QUALITY_NORMAL |
171 |
|| resolution == PrintAttributes.PRINT_QUALITY_HIGH) { |
172 |
dpi = PrintAttributes.PRINT_QUALITY_DPI[resolution]; |
173 |
} |
174 |
|
175 |
FeatureSet featureSet = null;
|
176 |
DisposableIterator it = null;
|
177 |
try {
|
178 |
ZSort zSort = getZSort(); |
179 |
|
180 |
// if layer has map levels it will use a ZSort
|
181 |
boolean useZSort = zSort != null && zSort.isUsingZSort(); |
182 |
|
183 |
int mapLevelCount = (useZSort) ? zSort.getLevelCount() : 1; |
184 |
for (int mapPass = 0; mapPass < mapLevelCount; mapPass++) { |
185 |
|
186 |
Envelope vp_env_in_store_crs = null;
|
187 |
IProjection store_crs = null;
|
188 |
if (coordTrans != null) { |
189 |
// 'coordTrans' is from store crs to vp crs
|
190 |
ICoordTrans inv = coordTrans.getInverted(); |
191 |
Envelope aux = viewPort.getAdjustedEnvelope(); |
192 |
vp_env_in_store_crs = aux.convert(inv); |
193 |
store_crs = coordTrans.getPOrig(); |
194 |
} else {
|
195 |
vp_env_in_store_crs = viewPort.getAdjustedEnvelope(); |
196 |
store_crs = viewPort.getProjection(); |
197 |
} |
198 |
|
199 |
FeatureQuery feat_query = fquery; |
200 |
Envelope store_env = featureStore.getEnvelope(); |
201 |
boolean use_intersection_cond = false; |
202 |
if (store_env == null) { |
203 |
// Store does not know its envelope, so we must:
|
204 |
use_intersection_cond = true;
|
205 |
} else {
|
206 |
if (vp_env_in_store_crs.contains(store_env)) {
|
207 |
use_intersection_cond = false;
|
208 |
} else {
|
209 |
use_intersection_cond = true;
|
210 |
} |
211 |
} |
212 |
|
213 |
if (use_intersection_cond) {
|
214 |
Evaluator iee = SpatialEvaluatorsFactory.getInstance().intersects( |
215 |
vp_env_in_store_crs, |
216 |
store_crs, |
217 |
featureStore |
218 |
); |
219 |
if (feat_query == null) { |
220 |
feat_query = featureStore.createFeatureQuery(); |
221 |
} |
222 |
String[] fns = getRequiredFeatureAttributeNames(featureStore); |
223 |
for (int i = 0; i < fns.length; i++) { |
224 |
feat_query.addAttributeName(fns[i]); |
225 |
} |
226 |
feat_query.addFilter(iee); |
227 |
} |
228 |
|
229 |
// 'feat_query' can still be NULL here, so we only filter
|
230 |
// the featureStore if it's not null
|
231 |
if (feat_query == null) { |
232 |
featureSet = featureStore.getFeatureSet(); |
233 |
} else {
|
234 |
featureSet = featureStore.getFeatureSet(feat_query); |
235 |
} |
236 |
it = featureSet.fastIterator(); |
237 |
// Iteration over each feature
|
238 |
FilteredLogger logger = new FilteredLogger(LOG,"Drawing "+featureStore.getName(), 10); |
239 |
while (!cancel.isCanceled() && it.hasNext()) {
|
240 |
Feature feat = (Feature) it.next(); |
241 |
try {
|
242 |
Geometry geom = feat.getDefaultGeometry(); |
243 |
if (geom==null) { |
244 |
continue;
|
245 |
} |
246 |
// Reprojection if needed
|
247 |
if (coordTrans != null) { |
248 |
geom = geom.cloneGeometry(); |
249 |
geom.reProject(coordTrans); |
250 |
} |
251 |
|
252 |
// retrieve the symbol associated to such feature
|
253 |
ISymbol sym = getSymbolByFeature(feat); |
254 |
if (sym == null) { |
255 |
continue;
|
256 |
} |
257 |
if (useZSort) {
|
258 |
int[] symLevels = zSort.getLevels(sym); |
259 |
if (symLevels != null) { |
260 |
|
261 |
// Check if this symbol is a multilayer
|
262 |
if (sym instanceof IMultiLayerSymbol) { |
263 |
// if so, get the layer corresponding to the
|
264 |
// current level. If none, continue to next
|
265 |
// iteration
|
266 |
IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym; |
267 |
for (int i = 0; i < mlSym.getLayerCount(); i++) { |
268 |
ISymbol mySym = mlSym.getLayer(i); |
269 |
if (symLevels[i] == mapPass) {
|
270 |
sym = mySym; |
271 |
break;
|
272 |
} |
273 |
} |
274 |
|
275 |
} else {
|
276 |
// else, just draw the symbol in its level
|
277 |
if (symLevels[0] != mapPass) { |
278 |
continue;
|
279 |
} |
280 |
} |
281 |
} |
282 |
} |
283 |
|
284 |
// Check if this symbol is sized with CartographicSupport
|
285 |
CartographicSupport csSym = null;
|
286 |
int symbolType = sym.getSymbolType();
|
287 |
|
288 |
if (symbolType == Geometry.TYPES.POINT
|
289 |
|| symbolType == Geometry.TYPES.CURVE |
290 |
|| sym instanceof CartographicSupport) {
|
291 |
|
292 |
csSym = (CartographicSupport) sym; |
293 |
} |
294 |
|
295 |
DrawOperationContext doc = new DrawOperationContext();
|
296 |
doc.setGraphics(g); |
297 |
doc.setViewPort(viewPort); |
298 |
if (csSym == null) { |
299 |
doc.setSymbol(sym); |
300 |
} else {
|
301 |
doc.setDPI(dpi); |
302 |
doc.setCancellable(cancel); |
303 |
doc.setSymbol((ISymbol) csSym); |
304 |
} |
305 |
geom.invokeOperation(DrawInts.CODE, doc); |
306 |
} catch(Exception ex) { |
307 |
FeatureReference ref = null;
|
308 |
if( feat!=null ) { |
309 |
ref = feat.getReference(); |
310 |
} |
311 |
logger.warn("Can't draw feature ("+ref+").", ex); |
312 |
} |
313 |
} |
314 |
} |
315 |
} catch (DataException e) {
|
316 |
throw new LegendDrawingException(e); |
317 |
} finally {
|
318 |
if (it != null) { |
319 |
it.dispose(); |
320 |
} |
321 |
if (featureSet != null) { |
322 |
featureSet.dispose(); |
323 |
} |
324 |
} |
325 |
} |
326 |
|
327 |
/**
|
328 |
* Draws the features from the {@link FeatureStore}, filtered with the scale
|
329 |
* and the query parameters, with the symbols of the legend.
|
330 |
*/
|
331 |
@SuppressWarnings("unchecked") |
332 |
protected void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
333 |
Cancellable cancel, double scale, Map queryParameters, |
334 |
ICoordTrans coordTrans, FeatureStore featureStore, |
335 |
FeatureQuery featureQuery, double dpi) throws LegendException { |
336 |
|
337 |
SimpleTaskStatus taskStatus = ToolsLocator.getTaskStatusManager() |
338 |
.createDefaultSimpleTaskStatus(featureStore.getName()); |
339 |
taskStatus.add(); |
340 |
try {
|
341 |
// Avoid ConcurrentModificationException errors if
|
342 |
// while drawing another thread edits the store data.
|
343 |
synchronized (featureStore) {
|
344 |
internalDraw(image, g, viewPort, cancel, scale, |
345 |
queryParameters, coordTrans, featureStore, |
346 |
featureQuery, dpi, taskStatus); |
347 |
} |
348 |
} finally {
|
349 |
if (taskStatus != null) { |
350 |
taskStatus.terminate(); |
351 |
taskStatus.remove(); |
352 |
taskStatus = null;
|
353 |
} |
354 |
} |
355 |
} |
356 |
|
357 |
protected void internalDraw(BufferedImage image, Graphics2D g, |
358 |
ViewPort viewPort, Cancellable cancel, double scale,
|
359 |
Map queryParameters, ICoordTrans coordTrans,
|
360 |
FeatureStore featureStore, FeatureQuery featureQuery, double dpi,
|
361 |
SimpleTaskStatus taskStatus) throws LegendDrawingException {
|
362 |
|
363 |
if (!getDefaultSymbol().isShapeVisible()) {
|
364 |
return;
|
365 |
} |
366 |
|
367 |
if (cancel.isCanceled()) {
|
368 |
return;
|
369 |
} |
370 |
|
371 |
IProjection dataProjection; |
372 |
Envelope dataEnvelope; |
373 |
Envelope reprojectedDataEnvelope; |
374 |
// Gets the view envelope
|
375 |
Envelope viewPortEnvelope = viewPort.getAdjustedEnvelope(); |
376 |
Envelope reprojectedViewPortEnvelope; |
377 |
try {
|
378 |
dataEnvelope = featureStore.getEnvelope(); |
379 |
if (coordTrans == null) { |
380 |
dataProjection = featureStore.getDefaultFeatureType() |
381 |
.getDefaultSRS(); |
382 |
|
383 |
// If the data does not provide a projection, use the
|
384 |
// current view one
|
385 |
if (dataProjection == null) { |
386 |
dataProjection = viewPort.getProjection(); |
387 |
} |
388 |
|
389 |
reprojectedDataEnvelope = dataEnvelope; |
390 |
reprojectedViewPortEnvelope = viewPortEnvelope; |
391 |
} else {
|
392 |
dataProjection = coordTrans.getPOrig(); |
393 |
|
394 |
if ( dataEnvelope!=null && !dataEnvelope.isEmpty()) { |
395 |
reprojectedDataEnvelope = dataEnvelope.convert(coordTrans); |
396 |
} else {
|
397 |
reprojectedDataEnvelope = dataEnvelope; |
398 |
} |
399 |
if ( viewPortEnvelope!=null && !viewPortEnvelope.isEmpty()) { |
400 |
reprojectedViewPortEnvelope = viewPortEnvelope.convert(coordTrans.getInverted()); |
401 |
} else {
|
402 |
reprojectedViewPortEnvelope = viewPortEnvelope; |
403 |
} |
404 |
} |
405 |
} catch (DataException e) {
|
406 |
throw new LegendDrawingException(e); |
407 |
} |
408 |
|
409 |
|
410 |
// Gets the data envelope with the viewport SRS
|
411 |
// Envelope myEnvelope = reprojectedDataEnvelope;
|
412 |
|
413 |
// TODO: in some cases, the legend may need a different check to
|
414 |
// decide if the data must be drawn or not
|
415 |
// Checks if the viewport envelope intersects with the data envelope
|
416 |
// This condition may seem redundant, but sometimes the transformations may fail and cause false negatives.
|
417 |
if ((viewPortEnvelope==null || !viewPortEnvelope.intersects(reprojectedDataEnvelope)) && !(reprojectedViewPortEnvelope!=null && reprojectedViewPortEnvelope.intersects(dataEnvelope))) { |
418 |
// The data is not visible in the current viewport, do nothing.
|
419 |
return;
|
420 |
} |
421 |
|
422 |
// Check if all the data is contained into the viewport envelope
|
423 |
// This condition may seem redundant, but sometimes the transformations may fail and cause false negatives.
|
424 |
boolean containsAll = viewPortEnvelope.contains(reprojectedDataEnvelope) || (reprojectedViewPortEnvelope!=null && reprojectedViewPortEnvelope.contains(dataEnvelope)); |
425 |
|
426 |
// Create the drawing notification to be reused on each iteration
|
427 |
DefaultFeatureDrawnNotification drawnNotification = new DefaultFeatureDrawnNotification();
|
428 |
|
429 |
if (cancel.isCanceled()) {
|
430 |
return;
|
431 |
} |
432 |
|
433 |
FeatureSet featureSet = null;
|
434 |
try {
|
435 |
taskStatus.message("Retrieve selection");
|
436 |
FeatureSelection selection = featureStore.getFeatureSelection(); |
437 |
|
438 |
if (featureQuery == null) { |
439 |
featureQuery = featureStore.createFeatureQuery(); |
440 |
} |
441 |
|
442 |
completeQuery(featureStore, featureQuery, scale, queryParameters, |
443 |
coordTrans, dataProjection, viewPortEnvelope, containsAll); |
444 |
|
445 |
taskStatus.message("Retrieve data");
|
446 |
featureSet = featureStore.getFeatureSet(featureQuery); |
447 |
|
448 |
if (cancel.isCanceled()) {
|
449 |
return;
|
450 |
} |
451 |
|
452 |
taskStatus.message("Drawing");
|
453 |
drawFeatures(image, g, viewPort, cancel, coordTrans, dpi, |
454 |
drawnNotification, featureSet, selection); |
455 |
|
456 |
} catch (RuntimeException e) { |
457 |
/*
|
458 |
* Probably a reprojection exception (for example,
|
459 |
* trying to reproject Canada to EPSG:23030)
|
460 |
*/
|
461 |
throw new LegendDrawingException(e); |
462 |
} catch (BaseException e) {
|
463 |
throw new LegendDrawingException(e); |
464 |
} finally {
|
465 |
if (featureSet != null) { |
466 |
featureSet.dispose(); |
467 |
} |
468 |
} |
469 |
} |
470 |
|
471 |
/**
|
472 |
* Complete a {@link FeatureQuery} to load the {@link Feature}s to draw.
|
473 |
*/
|
474 |
@SuppressWarnings("unchecked") |
475 |
private FeatureQuery completeQuery(FeatureStore featureStore, FeatureQuery featureQuery, double scale, |
476 |
Map queryParameters, ICoordTrans coordTrans,
|
477 |
IProjection dataProjection, Envelope viewPortEnvelope, |
478 |
boolean containsAll) throws DataException { |
479 |
|
480 |
featureQuery.setScale(scale); |
481 |
|
482 |
//Adds the attributes
|
483 |
String[] fieldNames = getRequiredFeatureAttributeNames(featureStore); |
484 |
for (int i=0 ; i<fieldNames.length ;i++){ |
485 |
featureQuery.addAttributeName(fieldNames[i]); |
486 |
} |
487 |
|
488 |
// TODO: Mobile has it's own IntersectsEnvelopeEvaluator
|
489 |
if (!containsAll) {
|
490 |
// Gets the viewport envelope with the data SRS
|
491 |
Envelope viewPortEnvelopeInMyProj = viewPortEnvelope; |
492 |
// FIXME
|
493 |
if (coordTrans != null) { |
494 |
viewPortEnvelopeInMyProj = viewPortEnvelope.convert(coordTrans |
495 |
.getInverted()); |
496 |
} |
497 |
|
498 |
if (dataProjection == null) { |
499 |
throw new IllegalArgumentException( |
500 |
"Error, the projection parameter value is null");
|
501 |
} |
502 |
|
503 |
Evaluator iee = SpatialEvaluatorsFactory.getInstance().intersects( |
504 |
viewPortEnvelopeInMyProj, |
505 |
dataProjection, |
506 |
featureStore |
507 |
); |
508 |
featureQuery.addFilter(iee); |
509 |
} |
510 |
if (queryParameters != null) { |
511 |
Iterator iterEntry = queryParameters.entrySet().iterator();
|
512 |
Entry entry; |
513 |
while (iterEntry.hasNext()) {
|
514 |
entry = (Entry) iterEntry.next(); |
515 |
featureQuery.setQueryParameter((String) entry.getKey(),
|
516 |
entry.getValue()); |
517 |
} |
518 |
} |
519 |
return featureQuery;
|
520 |
} |
521 |
|
522 |
/**
|
523 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
524 |
* legend.
|
525 |
*/
|
526 |
private void drawFeatures(BufferedImage image, Graphics2D g, |
527 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
528 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
529 |
FeatureSet featureSet, FeatureSelection selection) |
530 |
throws BaseException {
|
531 |
if (isUseZSort()) {
|
532 |
drawFeaturesMultiLayer(image, g, viewPort, cancel, coordTrans, dpi, |
533 |
drawnNotification, featureSet, selection); |
534 |
} else {
|
535 |
drawFeaturesSingleLayer(image, g, viewPort, cancel, coordTrans, |
536 |
dpi, drawnNotification, featureSet, selection); |
537 |
} |
538 |
} |
539 |
|
540 |
/**
|
541 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
542 |
* legend, using a single drawing layer.
|
543 |
*/
|
544 |
private void drawFeaturesSingleLayer(final BufferedImage image, |
545 |
final Graphics2D g, final ViewPort viewPort, |
546 |
final Cancellable cancel, final ICoordTrans coordTrans, |
547 |
final double dpi, |
548 |
final DefaultFeatureDrawnNotification drawnNotification,
|
549 |
FeatureSet featureSet, final FeatureSelection selection)
|
550 |
throws BaseException {
|
551 |
|
552 |
try {
|
553 |
featureSet.accept(new Visitor() {
|
554 |
public void visit(Object obj) throws VisitCanceledException, |
555 |
BaseException { |
556 |
Feature feat = (Feature) obj; |
557 |
drawFeatureSingleLayer(image, g, viewPort, cancel, |
558 |
coordTrans, dpi, drawnNotification, feat, selection); |
559 |
} |
560 |
}); |
561 |
|
562 |
} catch (ConcurrentDataModificationException e) {
|
563 |
cancel.setCanceled(true);
|
564 |
return;
|
565 |
} |
566 |
} |
567 |
|
568 |
/**
|
569 |
* Draws a Feature with the symbols of the legend, using a single drawing
|
570 |
* layer.
|
571 |
*/
|
572 |
private void drawFeatureSingleLayer(BufferedImage image, Graphics2D g, |
573 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
574 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
575 |
Feature feat, FeatureSelection selection) |
576 |
throws MapContextException, CreateGeometryException {
|
577 |
|
578 |
Geometry geom = feat.getDefaultGeometry(); |
579 |
if (geom == null) { |
580 |
return;
|
581 |
} |
582 |
|
583 |
if (geom.getType() == Geometry.TYPES.NULL) {
|
584 |
return;
|
585 |
} |
586 |
|
587 |
ISymbol sym = getSymbol(feat, selection); |
588 |
if (sym == null) { |
589 |
return;
|
590 |
} |
591 |
|
592 |
if (coordTrans != null) { |
593 |
geom = geom.cloneGeometry(); |
594 |
try {
|
595 |
geom.reProject(coordTrans); |
596 |
} catch (ReprojectionRuntimeException re) {
|
597 |
LOG.warn("Can't reproject geometry "+geom.toString(), re);
|
598 |
return;
|
599 |
|
600 |
/*
|
601 |
* Library was unable to reproject
|
602 |
* See reproject method in Point2D (geometry)
|
603 |
*/
|
604 |
// throw new CreateGeometryException(
|
605 |
// geom.getGeometryType().getType(),
|
606 |
// geom.getGeometryType().getSubType(),
|
607 |
// re);
|
608 |
} |
609 |
} |
610 |
|
611 |
if (cancel.isCanceled()) {
|
612 |
return;
|
613 |
} |
614 |
|
615 |
drawGeometry(geom, image, feat, sym, viewPort, g, dpi, cancel); |
616 |
|
617 |
// Notify the drawing observers
|
618 |
drawnNotification.setFeature(feat); |
619 |
drawnNotification.setDrawnGeometry(geom); |
620 |
notifyObservers(drawnNotification); |
621 |
} |
622 |
|
623 |
/**
|
624 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
625 |
* legend, using a multiple drawing layer.
|
626 |
*/
|
627 |
private void drawFeaturesMultiLayer(BufferedImage image, Graphics2D g, |
628 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
629 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
630 |
FeatureSet featureSet, FeatureSelection selection) |
631 |
throws MapContextException, CreateGeometryException, DataException {
|
632 |
|
633 |
// -- visual FX stuff
|
634 |
long time = System.currentTimeMillis(); |
635 |
|
636 |
boolean bSymbolLevelError = false; |
637 |
// render temporary map each screenRefreshRate milliseconds;
|
638 |
int screenRefreshDelay = (int) ((1D / MapContext.getDrawFrameRate()) * 3 * 1000); |
639 |
BufferedImage[] imageLevels = null; |
640 |
Graphics2D[] graphics = null; |
641 |
|
642 |
imageLevels = new BufferedImage[getZSort().getLevelCount()]; |
643 |
graphics = new Graphics2D[imageLevels.length]; |
644 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
645 |
|
646 |
imageLevels[i] = CompatLocator.getGraphicsUtils() |
647 |
.createBufferedImage(image.getWidth(), image.getHeight(), |
648 |
image.getType()); |
649 |
|
650 |
graphics[i] = imageLevels[i].createGraphics(); |
651 |
graphics[i].setTransform(g.getTransform()); |
652 |
graphics[i].setRenderingHints(g.getRenderingHints()); |
653 |
} |
654 |
// -- end visual FX stuff
|
655 |
|
656 |
DisposableIterator it = null;
|
657 |
try {
|
658 |
it = featureSet.fastIterator(); |
659 |
// Iteration over each feature
|
660 |
while (it.hasNext()) {
|
661 |
if (cancel.isCanceled()) {
|
662 |
return;
|
663 |
} |
664 |
Feature feat = (Feature) it.next(); |
665 |
|
666 |
bSymbolLevelError |= drawFeatureMultiLayer(image, g, viewPort, |
667 |
cancel, coordTrans, dpi, drawnNotification, selection, |
668 |
time, screenRefreshDelay, imageLevels, graphics, feat); |
669 |
|
670 |
} |
671 |
} catch (ConcurrentDataModificationException e) {
|
672 |
cancel.setCanceled(true);
|
673 |
return;
|
674 |
} finally {
|
675 |
if (it != null) { |
676 |
it.dispose(); |
677 |
} |
678 |
} |
679 |
|
680 |
g.drawImage(image, 0, 0, null); |
681 |
|
682 |
Point2D offset = viewPort.getOffset();
|
683 |
CompatLocator.getGraphicsUtils().translate(g, offset.getX(), |
684 |
offset.getY()); |
685 |
|
686 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
687 |
g.drawImage(imageLevels[i], 0, 0, null); |
688 |
imageLevels[i] = null;
|
689 |
graphics[i] = null;
|
690 |
} |
691 |
|
692 |
CompatLocator.getGraphicsUtils().translate(g, -offset.getX(), |
693 |
-offset.getY()); |
694 |
|
695 |
imageLevels = null;
|
696 |
graphics = null;
|
697 |
|
698 |
if (bSymbolLevelError) {
|
699 |
setZSort(null);
|
700 |
} |
701 |
} |
702 |
|
703 |
/**
|
704 |
* Draws a Feature with the symbols of the legend, using a multiple drawing
|
705 |
* layer.
|
706 |
*/
|
707 |
private boolean drawFeatureMultiLayer(BufferedImage image, Graphics2D g, |
708 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
709 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
710 |
FeatureSelection selection, long time, int screenRefreshDelay, |
711 |
BufferedImage[] imageLevels, Graphics2D[] graphics, Feature feat) |
712 |
throws MapContextException, CreateGeometryException {
|
713 |
|
714 |
Geometry geom = feat.getDefaultGeometry(); |
715 |
boolean bSymbolLevelError = false; |
716 |
long drawingTime = time;
|
717 |
|
718 |
if (geom==null && geom.getType() == Geometry.TYPES.NULL) { |
719 |
return false; |
720 |
} |
721 |
|
722 |
ISymbol sym = getSymbol(feat, selection); |
723 |
|
724 |
if (sym == null) { |
725 |
return false; |
726 |
} |
727 |
|
728 |
if (coordTrans != null) { |
729 |
geom = geom.cloneGeometry(); |
730 |
geom.reProject(coordTrans); |
731 |
} |
732 |
|
733 |
if (cancel.isCanceled()) {
|
734 |
return false; |
735 |
} |
736 |
|
737 |
// Check if this symbol is a multilayer
|
738 |
int[] symLevels = getZSort().getLevels(sym); |
739 |
if (sym instanceof IMultiLayerSymbol) { |
740 |
// if so, treat each of its layers as a single
|
741 |
// symbol
|
742 |
// in its corresponding map level
|
743 |
IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym; |
744 |
for (int i = 0; !cancel.isCanceled() && i < mlSym.getLayerCount(); i++) { |
745 |
ISymbol mySym = mlSym.getLayer(i); |
746 |
int symbolLevel = 0; |
747 |
if (symLevels != null) { |
748 |
symbolLevel = symLevels[i]; |
749 |
} else {
|
750 |
/*
|
751 |
* an error occured when managing symbol levels some of the
|
752 |
* legend changed events regarding the symbols did not
|
753 |
* finish satisfactory and the legend is now inconsistent.
|
754 |
* For this drawing, it will finish as it was at the bottom
|
755 |
* (level 0) but, when done, the ZSort will be reset to
|
756 |
* avoid app crashes. This is a bug that has to be fixed.
|
757 |
*/
|
758 |
bSymbolLevelError = true;
|
759 |
} |
760 |
drawGeometry(geom, imageLevels[symbolLevel], feat, mySym, |
761 |
viewPort, graphics[symbolLevel], dpi, cancel); |
762 |
} |
763 |
} else {
|
764 |
// else, just draw the symbol in its level
|
765 |
int symbolLevel = 0; |
766 |
if (symLevels != null) { |
767 |
symbolLevel = symLevels[0];
|
768 |
} |
769 |
drawGeometry(geom, imageLevels[symbolLevel], feat, sym, viewPort, |
770 |
graphics[symbolLevel], dpi, cancel); |
771 |
} |
772 |
|
773 |
// -- visual FX stuff
|
774 |
// Cuando el offset!=0 se est? dibujando sobre el
|
775 |
// Layout y por tanto no tiene que ejecutar el
|
776 |
// siguiente c?digo.
|
777 |
Point2D offset = viewPort.getOffset();
|
778 |
if (offset.getX() == 0 && offset.getY() == 0) { |
779 |
if ((System.currentTimeMillis() - drawingTime) > screenRefreshDelay) { |
780 |
|
781 |
BufferedImage virtualBim = CompatLocator.getGraphicsUtils()
|
782 |
.createBufferedImage(image.getWidth(), |
783 |
image.getHeight(), BufferedImage.TYPE_INT_ARGB);
|
784 |
|
785 |
Graphics2D virtualGraphics = virtualBim.createGraphics();
|
786 |
virtualGraphics.drawImage(image, 0, 0, null); |
787 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
788 |
virtualGraphics.drawImage(imageLevels[i], 0, 0, null); |
789 |
} |
790 |
g.clearRect(0, 0, image.getWidth(), image.getHeight()); |
791 |
g.drawImage(virtualBim, 0, 0, null); |
792 |
drawingTime = System.currentTimeMillis();
|
793 |
} |
794 |
// -- end visual FX stuff
|
795 |
|
796 |
} |
797 |
// Notify the drawing observers
|
798 |
drawnNotification.setFeature(feat); |
799 |
drawnNotification.setDrawnGeometry(geom); |
800 |
notifyObservers(drawnNotification); |
801 |
return bSymbolLevelError;
|
802 |
} |
803 |
|
804 |
/**
|
805 |
* Returns the symbol to use to draw a {@link Feature} taking into account
|
806 |
* if it is selected.
|
807 |
*/
|
808 |
private ISymbol getSymbol(Feature feat, FeatureSelection selection)
|
809 |
throws MapContextException {
|
810 |
// retrieve the symbol associated to such feature
|
811 |
ISymbol sym = getSymbolByFeature(feat); |
812 |
|
813 |
if (sym != null && selection.isSelected(feat)) { |
814 |
sym = sym.getSymbolForSelection(); |
815 |
} |
816 |
return sym;
|
817 |
} |
818 |
|
819 |
/**
|
820 |
* Returns if the legend is using a ZSort.
|
821 |
*/
|
822 |
private boolean isUseZSort() { |
823 |
return getZSort() != null && getZSort().isUsingZSort(); |
824 |
} |
825 |
|
826 |
/**
|
827 |
* Draws a {@link Geometry} using the given {@link ISymbol}, over the
|
828 |
* {@link Graphics2D} object.
|
829 |
*/
|
830 |
private void drawGeometry(Geometry geom, BufferedImage image, |
831 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
832 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
833 |
throws CreateGeometryException {
|
834 |
|
835 |
if (geom instanceof Aggregate) { |
836 |
drawAggregate((Aggregate) geom, image, feature, symbol, viewPort, |
837 |
graphics, dpi, cancellable); |
838 |
} else {
|
839 |
boolean bDrawCartographicSupport = false; |
840 |
if (symbol instanceof CartographicSupport) { |
841 |
bDrawCartographicSupport = ((CartographicSupport) symbol) |
842 |
.getUnit() != -1;
|
843 |
} |
844 |
|
845 |
double previousSize = 0.0d; |
846 |
|
847 |
if (bDrawCartographicSupport) {
|
848 |
// make the symbol to resize itself with the current rendering
|
849 |
// context
|
850 |
previousSize = ((CartographicSupport) symbol) |
851 |
.toCartographicSize(viewPort, dpi, geom); |
852 |
} |
853 |
|
854 |
try {
|
855 |
symbol.draw(graphics, viewPort.getAffineTransform(), geom, |
856 |
feature, cancellable); |
857 |
} finally {
|
858 |
if (bDrawCartographicSupport) {
|
859 |
// restore previous size
|
860 |
((CartographicSupport) symbol).setCartographicSize( |
861 |
previousSize, geom); |
862 |
} |
863 |
} |
864 |
} |
865 |
} |
866 |
|
867 |
/**
|
868 |
* Draws an {@link Aggregate} using the given {@link ISymbol}, over the
|
869 |
* {@link Graphics2D} object.
|
870 |
*/
|
871 |
private void drawAggregate(Aggregate aggregate, BufferedImage image, |
872 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
873 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
874 |
throws CreateGeometryException {
|
875 |
for (int i = 0; i < aggregate.getPrimitivesNumber(); i++) { |
876 |
Geometry prim = aggregate.getPrimitiveAt(i); |
877 |
drawGeometry(prim, image, feature, symbol, viewPort, graphics, dpi, |
878 |
cancellable); |
879 |
} |
880 |
} |
881 |
|
882 |
public Object clone() throws CloneNotSupportedException { |
883 |
AbstractVectorialLegend clone = (AbstractVectorialLegend) super.clone();
|
884 |
|
885 |
// Clone zSort
|
886 |
ZSort zSort = getZSort(); |
887 |
if (zSort != null) { |
888 |
clone.setZSort(new ZSort(clone));
|
889 |
} |
890 |
return clone;
|
891 |
} |
892 |
|
893 |
public void loadFromState(PersistentState state) |
894 |
throws PersistenceException {
|
895 |
// Set parent properties
|
896 |
super.loadFromState(state);
|
897 |
// Set own properties
|
898 |
|
899 |
setShapeType(state.getInt(FIELD_SHAPETYPE)); |
900 |
if (state.getBoolean(FIELD_HAS_ZSORT)) {
|
901 |
setZSort(new ZSort(this)); |
902 |
} |
903 |
setDefaultSymbol((ISymbol) state.get(FIELD_DEFAULT_SYMBOL)); |
904 |
} |
905 |
|
906 |
public void saveToState(PersistentState state) throws PersistenceException { |
907 |
// Save parent properties
|
908 |
super.saveToState(state);
|
909 |
// Save own properties
|
910 |
state.set(FIELD_SHAPETYPE, getShapeType()); |
911 |
state.set(FIELD_HAS_ZSORT, this.zSort != null); |
912 |
state.set(FIELD_DEFAULT_SYMBOL, getDefaultSymbol()); |
913 |
} |
914 |
|
915 |
public static class RegisterPersistence implements Callable { |
916 |
|
917 |
public Object call() throws Exception { |
918 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
919 |
if (manager
|
920 |
.getDefinition(VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME) == null) {
|
921 |
DynStruct definition = manager.addDefinition( |
922 |
AbstractVectorialLegend.class, |
923 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME, |
924 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME |
925 |
+ " persistence definition", null, null); |
926 |
// Extend the Legend base definition
|
927 |
definition.extend(manager |
928 |
.getDefinition(LEGEND_PERSISTENCE_DEFINITION_NAME)); |
929 |
|
930 |
// Shapetype
|
931 |
definition.addDynFieldInt(FIELD_SHAPETYPE).setMandatory(true);
|
932 |
// ZSort
|
933 |
definition.addDynFieldBoolean(FIELD_HAS_ZSORT).setMandatory( |
934 |
true);
|
935 |
// Default symbol
|
936 |
definition.addDynFieldObject(FIELD_DEFAULT_SYMBOL) |
937 |
.setClassOfValue(ISymbol.class).setMandatory(true);
|
938 |
} |
939 |
return Boolean.TRUE; |
940 |
} |
941 |
|
942 |
} |
943 |
|
944 |
/**
|
945 |
* Returns the names of the {@link Feature} attributes required for the
|
946 |
* {@link ILegend} to operate.
|
947 |
*
|
948 |
* @param featureStore
|
949 |
* the store where the {@link Feature}s belong to
|
950 |
* @return the names of required {@link Feature} attribute names
|
951 |
* @throws DataException
|
952 |
* if there is an error getting the attribute names
|
953 |
*/
|
954 |
protected abstract String[] getRequiredFeatureAttributeNames( |
955 |
FeatureStore featureStore) throws DataException;
|
956 |
} |