source: josm/trunk/src/org/openstreetmap/josm/gui/layer/TMSLayer.java@ 3878

Last change on this file since 3878 was 3878, checked in by Upliner, 13 years ago

Add support for ScanEx IRS tilesource (patch by glebius)
  • Property svn:eol-style set to native
File size: 46.5 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.layer;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.Color;
7import java.awt.Font;
8import java.awt.Graphics;
9import java.awt.Graphics2D;
10import java.awt.Image;
11import java.awt.Point;
12import java.awt.Rectangle;
13import java.awt.Toolkit;
14import java.awt.event.ActionEvent;
15import java.awt.event.MouseAdapter;
16import java.awt.event.MouseEvent;
17import java.awt.font.TextAttribute;
18import java.awt.geom.Rectangle2D;
19import java.awt.image.ImageObserver;
20import java.io.File;
21import java.io.IOException;
22import java.net.URI;
23import java.net.URISyntaxException;
24import java.util.ArrayList;
25import java.util.Collections;
26import java.util.HashMap;
27import java.util.HashSet;
28import java.util.LinkedList;
29import java.util.List;
30import java.util.Map;
31
32import javax.swing.AbstractAction;
33import javax.swing.Action;
34import javax.swing.JCheckBoxMenuItem;
35import javax.swing.JMenuItem;
36import javax.swing.JPopupMenu;
37import javax.swing.SwingUtilities;
38
39import org.openstreetmap.gui.jmapviewer.BingAerialTileSource;
40import org.openstreetmap.gui.jmapviewer.Coordinate;
41import org.openstreetmap.gui.jmapviewer.JobDispatcher;
42import org.openstreetmap.gui.jmapviewer.MemoryTileCache;
43import org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader;
44import org.openstreetmap.gui.jmapviewer.OsmTileLoader;
45import org.openstreetmap.gui.jmapviewer.ScanexIRSTileSource;
46import org.openstreetmap.gui.jmapviewer.TMSTileSource;
47import org.openstreetmap.gui.jmapviewer.TemplatedTMSTileSource;
48import org.openstreetmap.gui.jmapviewer.Tile;
49import org.openstreetmap.gui.jmapviewer.interfaces.TileCache;
50import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
51import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener;
52import org.openstreetmap.gui.jmapviewer.interfaces.TileSource;
53import org.openstreetmap.josm.Main;
54import org.openstreetmap.josm.actions.RenameLayerAction;
55import org.openstreetmap.josm.data.Bounds;
56import org.openstreetmap.josm.data.coor.EastNorth;
57import org.openstreetmap.josm.data.coor.LatLon;
58import org.openstreetmap.josm.data.imagery.ImageryInfo;
59import org.openstreetmap.josm.data.imagery.ImageryInfo.ImageryType;
60import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
61import org.openstreetmap.josm.data.preferences.BooleanProperty;
62import org.openstreetmap.josm.data.preferences.IntegerProperty;
63import org.openstreetmap.josm.data.preferences.StringProperty;
64import org.openstreetmap.josm.gui.MapView;
65import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
66import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
67import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
68
69/**
70 * Class that displays a slippy map layer.
71 *
72 * @author Frederik Ramm <frederik@remote.org>
73 * @author LuVar <lubomir.varga@freemap.sk>
74 * @author Dave Hansen <dave@sr71.net>
75 * @author Upliner <upliner@gmail.com>
76 *
77 */
78public class TMSLayer extends ImageryLayer implements ImageObserver, TileLoaderListener {
79 public static final String PREFERENCE_PREFIX = "imagery.tms";
80
81 public static final int MAX_ZOOM = 30;
82 public static final int MIN_ZOOM = 2;
83 public static final int DEFAULT_MAX_ZOOM = 20;
84 public static final int DEFAULT_MIN_ZOOM = 2;
85
86 public static final BooleanProperty PROP_DEFAULT_AUTOZOOM = new BooleanProperty(PREFERENCE_PREFIX + ".default_autozoom", true);
87 public static final BooleanProperty PROP_DEFAULT_AUTOLOAD = new BooleanProperty(PREFERENCE_PREFIX + ".default_autoload", true);
88 public static final IntegerProperty PROP_MIN_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".min_zoom_lvl", DEFAULT_MIN_ZOOM);
89 public static final IntegerProperty PROP_MAX_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".max_zoom_lvl", DEFAULT_MAX_ZOOM);
90 public static final BooleanProperty PROP_DRAW_DEBUG = new BooleanProperty(PREFERENCE_PREFIX + ".draw_debug", false);
91 public static final BooleanProperty PROP_ADD_TO_SLIPPYMAP_CHOOSER = new BooleanProperty(PREFERENCE_PREFIX + ".add_to_slippymap_chooser", true);
92 public static final StringProperty PROP_TILECACHE_DIR;
93
94 static {
95 String defPath = null;
96 try {
97 defPath = OsmFileCacheTileLoader.getDefaultCacheDir().getAbsolutePath();
98 } catch (SecurityException e) {
99 }
100 PROP_TILECACHE_DIR = new StringProperty(PREFERENCE_PREFIX + ".tilecache_path", defPath);
101 }
102
103 boolean debug = false;
104 void out(String s)
105 {
106 Main.debug(s);
107 }
108
109 protected MemoryTileCache tileCache;
110 protected TileSource tileSource;
111 protected TileLoader tileLoader;
112 JobDispatcher jobDispatcher = JobDispatcher.getInstance();
113
114 HashSet<Tile> tileRequestsOutstanding = new HashSet<Tile>();
115 @Override
116 public synchronized void tileLoadingFinished(Tile tile, boolean success)
117 {
118 if (tile.hasError()) {
119 success = false;
120 tile.setImage(null);
121 }
122 if (sharpenLevel != 0 && success) {
123 tile.setImage(sharpenImage(tile.getImage()));
124 }
125 tile.setLoaded(true);
126 needRedraw = true;
127 Main.map.repaint(100);
128 tileRequestsOutstanding.remove(tile);
129 if (debug) {
130 out("tileLoadingFinished() tile: " + tile + " success: " + success);
131 }
132 }
133 @Override
134 public TileCache getTileCache()
135 {
136 return tileCache;
137 }
138 void clearTileCache()
139 {
140 if (debug) {
141 out("clearing tile storage");
142 }
143 tileCache = new MemoryTileCache();
144 tileCache.setCacheSize(200);
145 }
146
147 /**
148 * Zoomlevel at which tiles is currently downloaded.
149 * Initial zoom lvl is set to bestZoom
150 */
151 public int currentZoomLevel;
152
153 private Tile clickedTile;
154 private boolean needRedraw;
155 private JPopupMenu tileOptionMenu;
156 JCheckBoxMenuItem autoZoomPopup;
157 JCheckBoxMenuItem autoLoadPopup;
158 Tile showMetadataTile;
159 private Image attrImage;
160 private String attrTermsUrl;
161 private Rectangle attrImageBounds, attrToUBounds;
162 private static final Font InfoFont = new Font("sansserif", Font.BOLD, 13);
163 private static final Font ATTR_FONT = new Font("Arial", Font.PLAIN, 10);
164 private static final Font ATTR_LINK_FONT;
165 static {
166 HashMap<TextAttribute, Integer> aUnderline = new HashMap<TextAttribute, Integer>();
167 aUnderline.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
168 ATTR_LINK_FONT = ATTR_FONT.deriveFont(aUnderline);
169 }
170
171 protected boolean autoZoom;
172 protected boolean autoLoad;
173
174 void redraw()
175 {
176 needRedraw = true;
177 Main.map.repaint();
178 }
179
180 static int checkMaxZoomLvl(int maxZoomLvl, TileSource ts)
181 {
182 if(maxZoomLvl > MAX_ZOOM) {
183 System.err.println("MaxZoomLvl shouldnt be more than 30! Setting to 30.");
184 maxZoomLvl = MAX_ZOOM;
185 }
186 if(maxZoomLvl < PROP_MIN_ZOOM_LVL.get()) {
187 System.err.println("maxZoomLvl shouldnt be more than minZoomLvl! Setting to minZoomLvl.");
188 maxZoomLvl = PROP_MIN_ZOOM_LVL.get();
189 }
190 if (ts != null && ts.getMaxZoom() != 0 && ts.getMaxZoom() < maxZoomLvl) {
191 maxZoomLvl = ts.getMaxZoom();
192 }
193 return maxZoomLvl;
194 }
195
196 public static int getMaxZoomLvl(TileSource ts)
197 {
198 return checkMaxZoomLvl(PROP_MAX_ZOOM_LVL.get(), ts);
199 }
200
201 public static void setMaxZoomLvl(int maxZoomLvl) {
202 maxZoomLvl = checkMaxZoomLvl(maxZoomLvl, null);
203 PROP_MAX_ZOOM_LVL.put(maxZoomLvl);
204 }
205
206 static int checkMinZoomLvl(int minZoomLvl, TileSource ts)
207 {
208 if(minZoomLvl < MIN_ZOOM) {
209 System.err.println("minZoomLvl shouldnt be lees than "+MIN_ZOOM+"! Setting to that.");
210 minZoomLvl = MIN_ZOOM;
211 }
212 if(minZoomLvl > PROP_MAX_ZOOM_LVL.get()) {
213 System.err.println("minZoomLvl shouldnt be more than maxZoomLvl! Setting to maxZoomLvl.");
214 minZoomLvl = getMaxZoomLvl(ts);
215 }
216 if (ts != null && ts.getMinZoom() > minZoomLvl) {
217 System.err.println("increasomg minZoomLvl to match tile source");
218 minZoomLvl = ts.getMinZoom();
219 }
220 return minZoomLvl;
221 }
222
223 public static int getMinZoomLvl(TileSource ts)
224 {
225 return checkMinZoomLvl(PROP_MIN_ZOOM_LVL.get(), ts);
226 }
227
228 public static void setMinZoomLvl(int minZoomLvl) {
229 minZoomLvl = checkMinZoomLvl(minZoomLvl, null);
230 PROP_MIN_ZOOM_LVL.put(minZoomLvl);
231 }
232
233 public static TileSource getTileSource(ImageryInfo info) {
234 if (info.getImageryType() == ImageryType.TMS) {
235 if(ImageryInfo.isUrlWithPatterns(info.getUrl()))
236 return new TemplatedTMSTileSource(info.getName(), info.getUrl(), info.getMaxZoom());
237 else
238 return new TMSTileSource(info.getName(),info.getUrl(), info.getMaxZoom());
239 } else if (info.getImageryType() == ImageryType.BING)
240 return new BingAerialTileSource();
241 else if (info.getImageryType() == ImageryType.SCANEX)
242 return new ScanexIRSTileSource();
243 return null;
244 }
245
246 private void initTileSource(TileSource tileSource)
247 {
248 this.tileSource = tileSource;
249 boolean requireAttr = tileSource.requiresAttribution();
250 if(requireAttr) {
251 attrImage = tileSource.getAttributionImage();
252 if(attrImage == null) {
253 System.out.println("Attribution image was null.");
254 } else {
255 System.out.println("Got an attribution image " + attrImage.getHeight(this) + "x" + attrImage.getWidth(this));
256 }
257
258 attrTermsUrl = tileSource.getTermsOfUseURL();
259 }
260
261 currentZoomLevel = getBestZoom();
262
263 clearTileCache();
264 String cachePath = TMSLayer.PROP_TILECACHE_DIR.get();
265 tileLoader = null;
266 if (cachePath != null && !cachePath.isEmpty()) {
267 try {
268 tileLoader = new OsmFileCacheTileLoader(this, new File(cachePath));
269 } catch (IOException e) {
270 }
271 }
272 if (tileLoader == null) {
273 tileLoader = new OsmTileLoader(this);
274 }
275 }
276
277 @Override
278 public void setOffset(double dx, double dy) {
279 super.setOffset(dx, dy);
280 needRedraw = true;
281 }
282
283 /**
284 * Returns average number of screen pixels per tile pixel for current mapview
285 */
286 private double getScaleFactor(int zoom) {
287 if (Main.map == null || Main.map.mapView == null) return 1;
288 MapView mv = Main.map.mapView;
289 LatLon topLeft = mv.getLatLon(0, 0);
290 LatLon botRight = mv.getLatLon(mv.getWidth(), mv.getHeight());
291 double x1 = tileSource.lonToTileX(topLeft.lon(), zoom);
292 double y1 = tileSource.latToTileY(topLeft.lat(), zoom);
293 double x2 = tileSource.lonToTileX(botRight.lon(), zoom);
294 double y2 = tileSource.latToTileY(botRight.lat(), zoom);
295
296 int screenPixels = mv.getWidth()*mv.getHeight();
297 double tilePixels = Math.abs((y2-y1)*(x2-x1)*tileSource.getTileSize()*tileSource.getTileSize());
298 if (screenPixels == 0 || tilePixels == 0) return 1;
299 return screenPixels/tilePixels;
300 }
301
302 private int getBestZoom() {
303 double factor = getScaleFactor(1);
304 double result = Math.log(factor)/Math.log(2)/2+1;
305 int intResult = (int)Math.round(result);
306 if (intResult > getMaxZoomLvl())
307 return getMaxZoomLvl();
308 if (intResult < getMinZoomLvl())
309 return getMinZoomLvl();
310 return intResult;
311 }
312
313 @SuppressWarnings("serial")
314 public TMSLayer(ImageryInfo info) {
315 super(info);
316
317 setBackgroundLayer(true);
318 this.setVisible(true);
319
320 TileSource source = getTileSource(info);
321 if (source == null)
322 throw new IllegalStateException("cannot create TMSLayer with non-TMS ImageryInfo");
323 initTileSource(source);
324
325 tileOptionMenu = new JPopupMenu();
326
327 autoZoom = PROP_DEFAULT_AUTOZOOM.get();
328 autoZoomPopup = new JCheckBoxMenuItem();
329 autoZoomPopup.setAction(new AbstractAction(tr("Auto Zoom")) {
330 @Override
331 public void actionPerformed(ActionEvent ae) {
332 autoZoom = !autoZoom;
333 }
334 });
335 autoZoomPopup.setSelected(autoZoom);
336 tileOptionMenu.add(autoZoomPopup);
337
338 autoLoad = PROP_DEFAULT_AUTOLOAD.get();
339 autoLoadPopup = new JCheckBoxMenuItem();
340 autoLoadPopup.setAction(new AbstractAction(tr("Auto load tiles")) {
341 @Override
342 public void actionPerformed(ActionEvent ae) {
343 autoLoad= !autoLoad;
344 }
345 });
346 autoLoadPopup.setSelected(autoLoad);
347 tileOptionMenu.add(autoLoadPopup);
348
349 tileOptionMenu.add(new JMenuItem(new AbstractAction(tr("Load Tile")) {
350 @Override
351 public void actionPerformed(ActionEvent ae) {
352 if (clickedTile != null) {
353 loadTile(clickedTile);
354 redraw();
355 }
356 }
357 }));
358
359 tileOptionMenu.add(new JMenuItem(new AbstractAction(
360 tr("Show Tile Info")) {
361 @Override
362 public void actionPerformed(ActionEvent ae) {
363 out("info tile: " + clickedTile);
364 if (clickedTile != null) {
365 showMetadataTile = clickedTile;
366 redraw();
367 }
368 }
369 }));
370
371 /* FIXME
372 tileOptionMenu.add(new JMenuItem(new AbstractAction(
373 tr("Request Update")) {
374 public void actionPerformed(ActionEvent ae) {
375 if (clickedTile != null) {
376 clickedTile.requestUpdate();
377 redraw();
378 }
379 }
380 }));*/
381
382 tileOptionMenu.add(new JMenuItem(new AbstractAction(
383 tr("Load All Tiles")) {
384 @Override
385 public void actionPerformed(ActionEvent ae) {
386 loadAllTiles(true);
387 redraw();
388 }
389 }));
390
391 // increase and decrease commands
392 tileOptionMenu.add(new JMenuItem(
393 new AbstractAction(tr("Increase zoom")) {
394 @Override
395 public void actionPerformed(ActionEvent ae) {
396 increaseZoomLevel();
397 redraw();
398 }
399 }));
400
401 tileOptionMenu.add(new JMenuItem(
402 new AbstractAction(tr("Decrease zoom")) {
403 @Override
404 public void actionPerformed(ActionEvent ae) {
405 decreaseZoomLevel();
406 redraw();
407 }
408 }));
409
410 // FIXME: currently ran in errors
411
412 tileOptionMenu.add(new JMenuItem(
413 new AbstractAction(tr("Snap to tile size")) {
414 @Override
415 public void actionPerformed(ActionEvent ae) {
416 double new_factor = Math.sqrt(getScaleFactor(currentZoomLevel));
417 Main.map.mapView.zoomToFactor(new_factor);
418 redraw();
419 }
420 }));
421 // end of adding menu commands
422
423 tileOptionMenu.add(new JMenuItem(
424 new AbstractAction(tr("Flush Tile Cache")) {
425 @Override
426 public void actionPerformed(ActionEvent ae) {
427 System.out.print("flushing all tiles...");
428 clearTileCache();
429 System.out.println("done");
430 }
431 }));
432 // end of adding menu commands
433
434 SwingUtilities.invokeLater(new Runnable() {
435 @Override
436 public void run() {
437 Main.map.mapView.addMouseListener(new MouseAdapter() {
438 @Override
439 public void mouseClicked(MouseEvent e) {
440 if (e.getButton() == MouseEvent.BUTTON3) {
441 clickedTile = getTileForPixelpos(e.getX(), e.getY());
442 tileOptionMenu.show(e.getComponent(), e.getX(), e.getY());
443 } else if (e.getButton() == MouseEvent.BUTTON1) {
444 if(!tileSource.requiresAttribution())
445 return;
446
447 if(attrImageBounds.contains(e.getPoint())) {
448 try {
449 java.awt.Desktop desktop = java.awt.Desktop.getDesktop();
450 desktop.browse(new URI(tileSource.getAttributionLinkURL()));
451 } catch (IOException e1) {
452 e1.printStackTrace();
453 } catch (URISyntaxException e1) {
454 e1.printStackTrace();
455 }
456 } else if(attrToUBounds.contains(e.getPoint())) {
457 try {
458 java.awt.Desktop desktop = java.awt.Desktop.getDesktop();
459 desktop.browse(new URI(tileSource.getTermsOfUseURL()));
460 } catch (IOException e1) {
461 e1.printStackTrace();
462 } catch (URISyntaxException e1) {
463 e1.printStackTrace();
464 }
465 }
466 }
467 }
468 });
469
470 MapView.addLayerChangeListener(new LayerChangeListener() {
471 @Override
472 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
473 //
474 }
475
476 @Override
477 public void layerAdded(Layer newLayer) {
478 //
479 }
480
481 @Override
482 public void layerRemoved(Layer oldLayer) {
483 MapView.removeLayerChangeListener(this);
484 }
485 });
486 }
487 });
488 }
489
490 void zoomChanged()
491 {
492 if (debug) {
493 out("zoomChanged(): " + currentZoomLevel);
494 }
495 needRedraw = true;
496 jobDispatcher.cancelOutstandingJobs();
497 tileRequestsOutstanding.clear();
498 }
499
500 int getMaxZoomLvl()
501 {
502 if (info.getMaxZoom() != 0)
503 return checkMaxZoomLvl(info.getMaxZoom(), tileSource);
504 else
505 return getMaxZoomLvl(tileSource);
506 }
507
508 int getMinZoomLvl()
509 {
510 return getMinZoomLvl(tileSource);
511 }
512
513 /**
514 * Zoom in, go closer to map.
515 *
516 * @return true, if zoom increasing was successfull, false othervise
517 */
518 public boolean zoomIncreaseAllowed()
519 {
520 boolean zia = currentZoomLevel < this.getMaxZoomLvl();
521 if (debug) {
522 out("zoomIncreaseAllowed(): " + zia + " " + currentZoomLevel + " vs. " + this.getMaxZoomLvl() );
523 }
524 return zia;
525 }
526 public boolean increaseZoomLevel()
527 {
528 if (zoomIncreaseAllowed()) {
529 currentZoomLevel++;
530 if (debug) {
531 out("increasing zoom level to: " + currentZoomLevel);
532 }
533 zoomChanged();
534 } else {
535 System.err.println("current zoom lvl ("+currentZoomLevel+") couldnt be increased. "+
536 "MaxZoomLvl ("+this.getMaxZoomLvl()+") reached.");
537 return false;
538 }
539 return true;
540 }
541
542 public boolean setZoomLevel(int zoom)
543 {
544 if (zoom == currentZoomLevel) return true;
545 if (zoom > this.getMaxZoomLvl()) return false;
546 if (zoom < this.getMinZoomLvl()) return false;
547 currentZoomLevel = zoom;
548 zoomChanged();
549 return true;
550 }
551
552 /**
553 * Zoom out from map.
554 *
555 * @return true, if zoom increasing was successfull, false othervise
556 */
557 public boolean zoomDecreaseAllowed()
558 {
559 return currentZoomLevel > this.getMinZoomLvl();
560 }
561 public boolean decreaseZoomLevel() {
562 int minZoom = this.getMinZoomLvl();
563 if (zoomDecreaseAllowed()) {
564 if (debug) {
565 out("decreasing zoom level to: " + currentZoomLevel);
566 }
567 currentZoomLevel--;
568 zoomChanged();
569 } else {
570 System.err.println("current zoom lvl couldnt be decreased. MinZoomLvl("+minZoom+") reached.");
571 return false;
572 }
573 return true;
574 }
575
576 /*
577 * We use these for quick, hackish calculations. They
578 * are temporary only and intentionally not inserted
579 * into the tileCache.
580 */
581 synchronized Tile tempCornerTile(Tile t) {
582 int x = t.getXtile() + 1;
583 int y = t.getYtile() + 1;
584 int zoom = t.getZoom();
585 Tile tile = getTile(x, y, zoom);
586 if (tile != null)
587 return tile;
588 return new Tile(tileSource, x, y, zoom);
589 }
590 synchronized Tile getOrCreateTile(int x, int y, int zoom) {
591 Tile tile = getTile(x, y, zoom);
592 if (tile == null) {
593 tile = new Tile(tileSource, x, y, zoom);
594 tileCache.addTile(tile);
595 tile.loadPlaceholderFromCache(tileCache);
596 }
597 return tile;
598 }
599
600 /*
601 * This can and will return null for tiles that are not
602 * already in the cache.
603 */
604 synchronized Tile getTile(int x, int y, int zoom) {
605 int max = (1 << zoom);
606 if (x < 0 || x >= max || y < 0 || y >= max)
607 return null;
608 Tile tile = tileCache.getTile(tileSource, x, y, zoom);
609 return tile;
610 }
611
612 synchronized boolean loadTile(Tile tile)
613 {
614 if (tile == null)
615 return false;
616 if (tile.hasError())
617 return false;
618 if (tile.isLoaded())
619 return false;
620 if (tile.isLoading())
621 return false;
622 if (tileRequestsOutstanding.contains(tile))
623 return false;
624 tileRequestsOutstanding.add(tile);
625 jobDispatcher.addJob(tileLoader.createTileLoaderJob(tileSource,
626 tile.getXtile(), tile.getYtile(), tile.getZoom()));
627 return true;
628 }
629
630 void loadAllTiles(boolean force) {
631 MapView mv = Main.map.mapView;
632 EastNorth topLeft = mv.getEastNorth(0, 0);
633 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
634
635 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel);
636
637 // if there is more than 18 tiles on screen in any direction, do not
638 // load all tiles!
639 if (ts.tooLarge()) {
640 System.out.println("Not downloading all tiles because there is more than 18 tiles on an axis!");
641 return;
642 }
643 ts.loadAllTiles(force);
644 }
645
646 /*
647 * Attempt to approximate how much the image is being scaled. For instance,
648 * a 100x100 image being scaled to 50x50 would return 0.25.
649 */
650 Image lastScaledImage = null;
651 @Override
652 public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
653 boolean done = ((infoflags & (ERROR | FRAMEBITS | ALLBITS)) != 0);
654 needRedraw = true;
655 if (debug) {
656 out("imageUpdate() done: " + done + " calling repaint");
657 }
658 Main.map.repaint(done ? 0 : 100);
659 return !done;
660 }
661 boolean imageLoaded(Image i) {
662 if (i == null)
663 return false;
664 int status = Toolkit.getDefaultToolkit().checkImage(i, -1, -1, this);
665 if ((status & ALLBITS) != 0)
666 return true;
667 return false;
668 }
669 Image getLoadedTileImage(Tile tile)
670 {
671 if (!tile.isLoaded())
672 return null;
673 Image img = tile.getImage();
674 if (!imageLoaded(img))
675 return null;
676 return img;
677 }
678
679 LatLon tileLatLon(Tile t)
680 {
681 int zoom = t.getZoom();
682 return new LatLon(tileSource.tileYToLat(t.getYtile(), zoom),
683 tileSource.tileXToLon(t.getXtile(), zoom));
684 }
685
686 Rectangle tileToRect(Tile t1)
687 {
688 /*
689 * We need to get a box in which to draw, so advance by one tile in
690 * each direction to find the other corner of the box.
691 * Note: this somewhat pollutes the tile cache
692 */
693 Tile t2 = tempCornerTile(t1);
694 Rectangle rect = new Rectangle(pixelPos(t1));
695 rect.add(pixelPos(t2));
696 return rect;
697 }
698
699 // 'source' is the pixel coordinates for the area that
700 // the img is capable of filling in. However, we probably
701 // only want a portion of it.
702 //
703 // 'border' is the screen cordinates that need to be drawn.
704 // We must not draw outside of it.
705 void drawImageInside(Graphics g, Image sourceImg, Rectangle source, Rectangle border)
706 {
707 Rectangle target = source;
708
709 // If a border is specified, only draw the intersection
710 // if what we have combined with what we are supposed
711 // to draw.
712 if (border != null) {
713 target = source.intersection(border);
714 if (debug) {
715 out("source: " + source + "\nborder: " + border + "\nintersection: " + target);
716 }
717 }
718
719 // All of the rectangles are in screen coordinates. We need
720 // to how these correlate to the sourceImg pixels. We could
721 // avoid doing this by scaling the image up to the 'source' size,
722 // but this should be cheaper.
723 //
724 // In some projections, x any y are scaled differently enough to
725 // cause a pixel or two of fudge. Calculate them separately.
726 double imageYScaling = sourceImg.getHeight(this) / source.getHeight();
727 double imageXScaling = sourceImg.getWidth(this) / source.getWidth();
728
729 // How many pixels into the 'source' rectangle are we drawing?
730 int screen_x_offset = target.x - source.x;
731 int screen_y_offset = target.y - source.y;
732 // And how many pixels into the image itself does that
733 // correlate to?
734 int img_x_offset = (int)(screen_x_offset * imageXScaling);
735 int img_y_offset = (int)(screen_y_offset * imageYScaling);
736 // Now calculate the other corner of the image that we need
737 // by scaling the 'target' rectangle's dimensions.
738 int img_x_end = img_x_offset + (int)(target.getWidth() * imageXScaling);
739 int img_y_end = img_y_offset + (int)(target.getHeight() * imageYScaling);
740
741 if (debug) {
742 out("drawing image into target rect: " + target);
743 }
744 g.drawImage(sourceImg,
745 target.x, target.y,
746 target.x + target.width, target.y + target.height,
747 img_x_offset, img_y_offset,
748 img_x_end, img_y_end,
749 this);
750 if (PROP_FADE_AMOUNT.get() != 0) {
751 // dimm by painting opaque rect...
752 g.setColor(getFadeColorWithAlpha());
753 g.fillRect(target.x, target.y,
754 target.width, target.height);
755 }
756 }
757 // This function is called for several zoom levels, not just
758 // the current one. It should not trigger any tiles to be
759 // downloaded. It should also avoid polluting the tile cache
760 // with any tiles since these tiles are not mandatory.
761 //
762 // The "border" tile tells us the boundaries of where we may
763 // draw. It will not be from the zoom level that is being
764 // drawn currently. If drawing the displayZoomLevel,
765 // border is null and we draw the entire tile set.
766 List<Tile> paintTileImages(Graphics g, TileSet ts, int zoom, Tile border) {
767 if (zoom <= 0) return Collections.emptyList();
768 Rectangle borderRect = null;
769 if (border != null) {
770 borderRect = tileToRect(border);
771 }
772 List<Tile> missedTiles = new LinkedList<Tile>();
773 for (Tile tile : ts.allTiles()) {
774 Image img = getLoadedTileImage(tile);
775 if (img == null || tile.hasError()) {
776 if (debug) {
777 out("missed tile: " + tile);
778 }
779 missedTiles.add(tile);
780 continue;
781 }
782 Rectangle sourceRect = tileToRect(tile);
783 if (borderRect != null && !sourceRect.intersects(borderRect)) {
784 continue;
785 }
786 drawImageInside(g, img, sourceRect, borderRect);
787 }// end of for
788 return missedTiles;
789 }
790
791 void myDrawString(Graphics g, String text, int x, int y) {
792 Color oldColor = g.getColor();
793 g.setColor(Color.black);
794 g.drawString(text,x+1,y+1);
795 g.setColor(oldColor);
796 g.drawString(text,x,y);
797 }
798
799 void paintTileText(TileSet ts, Tile tile, Graphics g, MapView mv, int zoom, Tile t) {
800 int fontHeight = g.getFontMetrics().getHeight();
801 if (tile == null)
802 return;
803 Point p = pixelPos(t);
804 int texty = p.y + 2 + fontHeight;
805
806 if (PROP_DRAW_DEBUG.get()) {
807 myDrawString(g, "x=" + t.getXtile() + " y=" + t.getYtile() + " z=" + zoom + "", p.x + 2, texty);
808 texty += 1 + fontHeight;
809 if ((t.getXtile() % 32 == 0) && (t.getYtile() % 32 == 0)) {
810 myDrawString(g, "x=" + t.getXtile() / 32 + " y=" + t.getYtile() / 32 + " z=7", p.x + 2, texty);
811 texty += 1 + fontHeight;
812 }
813 }// end of if draw debug
814
815 if (tile == showMetadataTile) {
816 String md = tile.toString();
817 if (md != null) {
818 myDrawString(g, md, p.x + 2, texty);
819 texty += 1 + fontHeight;
820 }
821 Map<String, String> meta = tile.getMetadata();
822 if (meta != null) {
823 for (Map.Entry<String, String> entry : meta.entrySet()) {
824 myDrawString(g, entry.getKey() + ": " + entry.getValue(), p.x + 2, texty);
825 texty += 1 + fontHeight;
826 }
827 }
828 }
829
830 String tileStatus = tile.getStatus();
831 if (!tile.isLoaded() && PROP_DRAW_DEBUG.get()) {
832 myDrawString(g, tr("image " + tileStatus), p.x + 2, texty);
833 texty += 1 + fontHeight;
834 }
835
836 if (tile.hasError()) {
837 myDrawString(g, tr("Error") + ": " + tr(tile.getErrorMessage()), p.x + 2, texty);
838 texty += 1 + fontHeight;
839 }
840
841 int xCursor = -1;
842 int yCursor = -1;
843 if (PROP_DRAW_DEBUG.get()) {
844 if (yCursor < t.getYtile()) {
845 if (t.getYtile() % 32 == 31) {
846 g.fillRect(0, p.y - 1, mv.getWidth(), 3);
847 } else {
848 g.drawLine(0, p.y, mv.getWidth(), p.y);
849 }
850 yCursor = t.getYtile();
851 }
852 // This draws the vertical lines for the entire
853 // column. Only draw them for the top tile in
854 // the column.
855 if (xCursor < t.getXtile()) {
856 if (t.getXtile() % 32 == 0) {
857 // level 7 tile boundary
858 g.fillRect(p.x - 1, 0, 3, mv.getHeight());
859 } else {
860 g.drawLine(p.x, 0, p.x, mv.getHeight());
861 }
862 xCursor = t.getXtile();
863 }
864 }
865 }
866
867 private Point pixelPos(LatLon ll) {
868 return Main.map.mapView.getPoint(Main.proj.latlon2eastNorth(ll).add(getDx(), getDy()));
869 }
870 private Point pixelPos(Tile t) {
871 double lon = tileSource.tileXToLon(t.getXtile(), t.getZoom());
872 LatLon tmpLL = new LatLon(tileSource.tileYToLat(t.getYtile(), t.getZoom()), lon);
873 return pixelPos(tmpLL);
874 }
875 private LatLon getShiftedLatLon(EastNorth en) {
876 return Main.proj.eastNorth2latlon(en.add(-getDx(), -getDy()));
877 }
878 private Coordinate getShiftedCoord(EastNorth en) {
879 LatLon ll = getShiftedLatLon(en);
880 return new Coordinate(ll.lat(),ll.lon());
881 }
882 private final TileSet nullTileSet = new TileSet((LatLon)null, (LatLon)null, 0);
883 private class TileSet {
884 int x0, x1, y0, y1;
885 int zoom;
886 int tileMax = -1;
887
888 /**
889 * Create a TileSet by EastNorth bbox taking a layer shift in account
890 */
891 TileSet(EastNorth topLeft, EastNorth botRight, int zoom) {
892 this(getShiftedLatLon(topLeft), getShiftedLatLon(botRight),zoom);
893 }
894
895 /**
896 * Create a TileSet by known LatLon bbox without layer shift correction
897 */
898 TileSet(LatLon topLeft, LatLon botRight, int zoom) {
899 this.zoom = zoom;
900 if (zoom == 0)
901 return;
902
903 x0 = (int)tileSource.lonToTileX(topLeft.lon(), zoom);
904 y0 = (int)tileSource.latToTileY(topLeft.lat(), zoom);
905 x1 = (int)tileSource.lonToTileX(botRight.lon(), zoom);
906 y1 = (int)tileSource.latToTileY(botRight.lat(), zoom);
907 if (x0 > x1) {
908 int tmp = x0;
909 x0 = x1;
910 x1 = tmp;
911 }
912 if (y0 > y1) {
913 int tmp = y0;
914 y0 = y1;
915 y1 = tmp;
916 }
917 tileMax = (int)Math.pow(2.0, zoom);
918 if (x0 < 0) {
919 x0 = 0;
920 }
921 if (y0 < 0) {
922 y0 = 0;
923 }
924 if (x1 > tileMax) {
925 x1 = tileMax;
926 }
927 if (y1 > tileMax) {
928 y1 = tileMax;
929 }
930 }
931 boolean tooSmall() {
932 return this.tilesSpanned() < 2.1;
933 }
934 boolean tooLarge() {
935 return this.tilesSpanned() > 10;
936 }
937 boolean insane() {
938 return this.tilesSpanned() > 100;
939 }
940 double tilesSpanned() {
941 return Math.sqrt(1.0 * this.size());
942 }
943
944 int size() {
945 int x_span = x1 - x0 + 1;
946 int y_span = y1 - y0 + 1;
947 return x_span * y_span;
948 }
949
950 /*
951 * Get all tiles represented by this TileSet that are
952 * already in the tileCache.
953 */
954 List<Tile> allTiles()
955 {
956 return this.allTiles(false);
957 }
958 private List<Tile> allTiles(boolean create)
959 {
960 // Tileset is either empty or too large
961 if (zoom == 0 || this.insane())
962 return Collections.emptyList();
963 List<Tile> ret = new ArrayList<Tile>();
964 for (int x = x0; x <= x1; x++) {
965 for (int y = y0; y <= y1; y++) {
966 Tile t;
967 if (create) {
968 t = getOrCreateTile(x % tileMax, y % tileMax, zoom);
969 } else {
970 t = getTile(x % tileMax, y % tileMax, zoom);
971 }
972 if (t != null) {
973 ret.add(t);
974 }
975 }
976 }
977 return ret;
978 }
979
980 void loadAllTiles(boolean force)
981 {
982 List<Tile> tiles = this.allTiles(true);
983 if (!autoLoad && !force)
984 return;
985 int nr_queued = 0;
986 for (Tile t : tiles) {
987 if (loadTile(t)) {
988 nr_queued++;
989 }
990 }
991 if (debug)
992 if (nr_queued > 0) {
993 out("queued to load: " + nr_queued + "/" + tiles.size() + " tiles at zoom: " + zoom);
994 }
995 }
996 }
997
998
999 private static class TileSetInfo {
1000 public boolean hasVisibleTiles = false;
1001 public boolean hasOverzoomedTiles = false;
1002 public boolean hasLoadingTiles = false;
1003 }
1004
1005 private static TileSetInfo getTileSetInfo(TileSet ts) {
1006 List<Tile> allTiles = ts.allTiles();
1007 TileSetInfo result = new TileSetInfo();
1008 result.hasLoadingTiles = allTiles.size() < ts.size();
1009 for (Tile t : allTiles) {
1010 if (t.isLoaded()) {
1011 if (!t.hasError()) {
1012 result.hasVisibleTiles = true;
1013 }
1014 if ("no-tile".equals(t.getValue("tile-info"))) {
1015 result.hasOverzoomedTiles = true;
1016 }
1017 } else {
1018 result.hasLoadingTiles = true;
1019 }
1020 }
1021 return result;
1022 }
1023
1024 private class DeepTileSet {
1025 final EastNorth topLeft, botRight;
1026 final int minZoom, maxZoom;
1027 private final TileSet[] tileSets;
1028 private final TileSetInfo[] tileSetInfos;
1029 public DeepTileSet(EastNorth topLeft, EastNorth botRight, int minZoom, int maxZoom) {
1030 this.topLeft = topLeft;
1031 this.botRight = botRight;
1032 this.minZoom = minZoom;
1033 this.maxZoom = maxZoom;
1034 this.tileSets = new TileSet[maxZoom - minZoom + 1];
1035 this.tileSetInfos = new TileSetInfo[maxZoom - minZoom + 1];
1036 }
1037 public TileSet getTileSet(int zoom) {
1038 if (zoom < minZoom)
1039 return nullTileSet;
1040 TileSet ts = tileSets[zoom-minZoom];
1041 if (ts == null) {
1042 ts = new TileSet(topLeft, botRight, zoom);
1043 tileSets[zoom-minZoom] = ts;
1044 }
1045 return ts;
1046 }
1047 public TileSetInfo getTileSetInfo(int zoom) {
1048 if (zoom < minZoom)
1049 return new TileSetInfo();
1050 TileSetInfo tsi = tileSetInfos[zoom-minZoom];
1051 if (tsi == null) {
1052 tsi = TMSLayer.getTileSetInfo(getTileSet(zoom));
1053 tileSetInfos[zoom-minZoom] = tsi;
1054 }
1055 return tsi;
1056 }
1057 }
1058
1059 /**
1060 */
1061 @Override
1062 public void paint(Graphics2D g, MapView mv, Bounds bounds) {
1063 //long start = System.currentTimeMillis();
1064 EastNorth topLeft = mv.getEastNorth(0, 0);
1065 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
1066
1067 if (botRight.east() == 0.0 || botRight.north() == 0) {
1068 Main.debug("still initializing??");
1069 // probably still initializing
1070 return;
1071 }
1072
1073 needRedraw = false;
1074
1075 int zoom = currentZoomLevel;
1076 if (autoZoom) {
1077 double pixelScaling = getScaleFactor(zoom);
1078 if (pixelScaling > 3 || pixelScaling < 0.45) {
1079 zoom = getBestZoom();
1080 }
1081 }
1082
1083 DeepTileSet dts = new DeepTileSet(topLeft, botRight, getMinZoomLvl(), zoom);
1084 TileSet ts = dts.getTileSet(zoom);
1085
1086 int displayZoomLevel = zoom;
1087
1088 boolean noTilesAtZoom = false;
1089 if (autoZoom && autoLoad) {
1090 // Auto-detection of tilesource maxzoom (currently fully works only for Bing)
1091 TileSetInfo tsi = dts.getTileSetInfo(zoom);
1092 if (!tsi.hasVisibleTiles && (!tsi.hasLoadingTiles || tsi.hasOverzoomedTiles)) {
1093 noTilesAtZoom = true;
1094 }
1095 // Find highest zoom level with at least one visible tile
1096 while (displayZoomLevel > dts.minZoom &&
1097 !dts.getTileSetInfo(displayZoomLevel).hasVisibleTiles) {
1098 displayZoomLevel--;
1099 }
1100 // Do binary search between currentZoomLevel and displayZoomLevel
1101 while (zoom > displayZoomLevel && !tsi.hasVisibleTiles && tsi.hasOverzoomedTiles){
1102 zoom = (zoom + displayZoomLevel)/2;
1103 tsi = dts.getTileSetInfo(zoom);
1104 }
1105
1106 setZoomLevel(zoom);
1107
1108 // If all tiles at displayZoomLevel is loaded, load all tiles at next zoom level
1109 // to make sure there're really no more zoom levels
1110 if (zoom == displayZoomLevel && !tsi.hasLoadingTiles && zoom < dts.maxZoom) {
1111 zoom++;
1112 tsi = dts.getTileSetInfo(zoom);
1113 }
1114 // When we have overzoomed tiles and all tiles at current zoomlevel is loaded,
1115 // load tiles at previovus zoomlevels until we have all tiles on screen is loaded.
1116 while (zoom > dts.minZoom && tsi.hasOverzoomedTiles && !tsi.hasLoadingTiles) {
1117 zoom--;
1118 tsi = dts.getTileSetInfo(zoom);
1119 }
1120 ts = dts.getTileSet(zoom);
1121 } else if (autoZoom) {
1122 setZoomLevel(zoom);
1123 }
1124
1125 // Too many tiles... refuse to download
1126 if (!ts.tooLarge()) {
1127 //out("size: " + ts.size() + " spanned: " + ts.tilesSpanned());
1128 ts.loadAllTiles(false);
1129 }
1130
1131 if (displayZoomLevel != zoom) {
1132 ts = dts.getTileSet(displayZoomLevel);
1133 }
1134
1135 g.setColor(Color.DARK_GRAY);
1136
1137 List<Tile> missedTiles = this.paintTileImages(g, ts, displayZoomLevel, null);
1138 int otherZooms[] = { -1, 1, -2, 2, -3, -4, -5};
1139 for (int zoomOffset : otherZooms) {
1140 if (!autoZoom) {
1141 break;
1142 }
1143 if (!autoLoad) {
1144 break;
1145 }
1146 int newzoom = displayZoomLevel + zoomOffset;
1147 if (missedTiles.size() <= 0) {
1148 break;
1149 }
1150 List<Tile> newlyMissedTiles = new LinkedList<Tile>();
1151 for (Tile missed : missedTiles) {
1152 if ("no-tile".equals(missed.getValue("tile-info")) && zoomOffset > 0) {
1153 // Don't try to paint from higher zoom levels when tile is overzoomed
1154 newlyMissedTiles.add(missed);
1155 continue;
1156 }
1157 Tile t2 = tempCornerTile(missed);
1158 LatLon topLeft2 = tileLatLon(missed);
1159 LatLon botRight2 = tileLatLon(t2);
1160 TileSet ts2 = new TileSet(topLeft2, botRight2, newzoom);
1161 if (ts2.tooLarge()) {
1162 continue;
1163 }
1164 newlyMissedTiles.addAll(this.paintTileImages(g, ts2, newzoom, missed));
1165 }
1166 missedTiles = newlyMissedTiles;
1167 }
1168 if (debug && missedTiles.size() > 0) {
1169 out("still missed "+missedTiles.size()+" in the end");
1170 }
1171 g.setColor(Color.red);
1172 g.setFont(InfoFont);
1173
1174 // The current zoom tileset is guaranteed to have all of
1175 // its tiles
1176 for (Tile t : ts.allTiles()) {
1177 this.paintTileText(ts, t, g, mv, displayZoomLevel, t);
1178 }
1179
1180 if (tileSource.requiresAttribution()) {
1181 // Draw attribution
1182 Font font = g.getFont();
1183 g.setFont(ATTR_LINK_FONT);
1184 g.setColor(Color.white);
1185
1186 // Draw terms of use text
1187 Rectangle2D termsStringBounds = g.getFontMetrics().getStringBounds("Background Terms of Use", g);
1188 int textHeight = (int) termsStringBounds.getHeight() - 5;
1189 int textWidth = (int) termsStringBounds.getWidth();
1190 int termsTextY = mv.getHeight() - textHeight;
1191 if(attrTermsUrl != null) {
1192 int x = 2;
1193 int y = mv.getHeight() - textHeight;
1194 attrToUBounds = new Rectangle(x, y, textWidth, textHeight);
1195 myDrawString(g, "Background Terms of Use", x, y);
1196 }
1197
1198 // Draw attribution logo
1199 int imgWidth = attrImage.getWidth(this);
1200 if(attrImage != null) {
1201 int x = 2;
1202 int height = attrImage.getHeight(this);
1203 int y = termsTextY - height - textHeight - 5;
1204 attrImageBounds = new Rectangle(x, y, imgWidth, height);
1205 g.drawImage(attrImage, x, y, this);
1206 }
1207
1208 g.setFont(ATTR_FONT);
1209 String attributionText = tileSource.getAttributionText(displayZoomLevel,
1210 getShiftedCoord(topLeft), getShiftedCoord(botRight));
1211 Rectangle2D stringBounds = g.getFontMetrics().getStringBounds(attributionText, g);
1212 {
1213 int x = mv.getWidth() - (int) stringBounds.getWidth();
1214 int y = mv.getHeight() - textHeight;
1215 myDrawString(g, attributionText, x, y);
1216 }
1217
1218 g.setFont(font);
1219 }
1220
1221 //g.drawString("currentZoomLevel=" + currentZoomLevel, 120, 120);
1222 g.setColor(Color.lightGray);
1223 if (!autoZoom) {
1224 if (ts.insane()) {
1225 myDrawString(g, tr("zoom in to load any tiles"), 120, 120);
1226 } else if (ts.tooLarge()) {
1227 myDrawString(g, tr("zoom in to load more tiles"), 120, 120);
1228 } else if (ts.tooSmall()) {
1229 myDrawString(g, tr("increase zoom level to see more detail"), 120, 120);
1230 }
1231 }
1232 if (noTilesAtZoom) {
1233 myDrawString(g, tr("No tiles at this zoom level"), 120, 120);
1234 }
1235 if (debug) {
1236 myDrawString(g, tr("Current zoom: {0}", currentZoomLevel), 50, 140);
1237 myDrawString(g, tr("Display zoom: {0}", displayZoomLevel), 50, 155);
1238 myDrawString(g, tr("Pixel scale: {0}", getScaleFactor(currentZoomLevel)), 50, 170);
1239 myDrawString(g, tr("Best zoom: {0}", Math.log(getScaleFactor(1))/Math.log(2)/2+1), 50, 185);
1240 }
1241 }// end of paint method
1242
1243 /**
1244 * This isn't very efficient, but it is only used when the
1245 * user right-clicks on the map.
1246 */
1247 Tile getTileForPixelpos(int px, int py) {
1248 if (debug) {
1249 out("getTileForPixelpos("+px+", "+py+")");
1250 }
1251 MapView mv = Main.map.mapView;
1252 Point clicked = new Point(px, py);
1253 EastNorth topLeft = mv.getEastNorth(0, 0);
1254 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
1255 int z = currentZoomLevel;
1256 TileSet ts = new TileSet(topLeft, botRight, z);
1257
1258 if (!ts.tooLarge()) {
1259 ts.loadAllTiles(false); // make sure there are tile objects for all tiles
1260 }
1261 Tile clickedTile = null;
1262 for (Tile t1 : ts.allTiles()) {
1263 Tile t2 = tempCornerTile(t1);
1264 Rectangle r = new Rectangle(pixelPos(t1));
1265 r.add(pixelPos(t2));
1266 if (debug) {
1267 out("r: " + r + " clicked: " + clicked);
1268 }
1269 if (!r.contains(clicked)) {
1270 continue;
1271 }
1272 clickedTile = t1;
1273 break;
1274 }
1275 if (clickedTile == null)
1276 return null;
1277 System.out.println("clicked on tile: " + clickedTile.getXtile() + " " + clickedTile.getYtile() +
1278 " currentZoomLevel: " + currentZoomLevel);
1279 return clickedTile;
1280 }
1281
1282 @Override
1283 public Action[] getMenuEntries() {
1284 return new Action[] {
1285 LayerListDialog.getInstance().createShowHideLayerAction(),
1286 LayerListDialog.getInstance().createDeleteLayerAction(),
1287 SeparatorLayerAction.INSTANCE,
1288 // color,
1289 new OffsetAction(),
1290 new RenameLayerAction(this.getAssociatedFile(), this),
1291 SeparatorLayerAction.INSTANCE,
1292 new LayerListPopup.InfoAction(this) };
1293 }
1294
1295 @Override
1296 public String getToolTipText() {
1297 return null;
1298 }
1299
1300 @Override
1301 public void visitBoundingBox(BoundingXYVisitor v) {
1302 }
1303
1304 @Override
1305 public boolean isChanged() {
1306 return needRedraw;
1307 }
1308}
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