source: josm/trunk/src/org/openstreetmap/josm/gui/layer/TMSLayer.java@ 4529

Last change on this file since 4529 was 4529, checked in by Don-vip, 13 years ago

fix #6109 and #6288 - Right Click "Flush Tile Cache" in TMS layers doesn't work anymore
  • Property svn:eol-style set to native
File size: 46.6 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.image.ImageObserver;
18import java.io.File;
19import java.io.IOException;
20import java.util.ArrayList;
21import java.util.Collections;
22import java.util.HashSet;
23import java.util.LinkedList;
24import java.util.List;
25import java.util.Map;
26
27import javax.swing.AbstractAction;
28import javax.swing.Action;
29import javax.swing.JCheckBoxMenuItem;
30import javax.swing.JMenuItem;
31import javax.swing.JOptionPane;
32import javax.swing.JPopupMenu;
33import javax.swing.SwingUtilities;
34
35import org.openstreetmap.gui.jmapviewer.AttributionSupport;
36import org.openstreetmap.gui.jmapviewer.Coordinate;
37import org.openstreetmap.gui.jmapviewer.JobDispatcher;
38import org.openstreetmap.gui.jmapviewer.MemoryTileCache;
39import org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader;
40import org.openstreetmap.gui.jmapviewer.OsmTileLoader;
41import org.openstreetmap.gui.jmapviewer.Tile;
42import org.openstreetmap.gui.jmapviewer.interfaces.TileCache;
43import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
44import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener;
45import org.openstreetmap.gui.jmapviewer.interfaces.TileSource;
46import org.openstreetmap.gui.jmapviewer.tilesources.BingAerialTileSource;
47import org.openstreetmap.gui.jmapviewer.tilesources.ScanexTileSource;
48import org.openstreetmap.gui.jmapviewer.tilesources.TMSTileSource;
49import org.openstreetmap.gui.jmapviewer.tilesources.TemplatedTMSTileSource;
50import org.openstreetmap.josm.Main;
51import org.openstreetmap.josm.actions.RenameLayerAction;
52import org.openstreetmap.josm.data.Bounds;
53import org.openstreetmap.josm.data.coor.EastNorth;
54import org.openstreetmap.josm.data.coor.LatLon;
55import org.openstreetmap.josm.data.imagery.ImageryInfo;
56import org.openstreetmap.josm.data.imagery.ImageryInfo.ImageryType;
57import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
58import org.openstreetmap.josm.data.preferences.BooleanProperty;
59import org.openstreetmap.josm.data.preferences.IntegerProperty;
60import org.openstreetmap.josm.data.preferences.StringProperty;
61import org.openstreetmap.josm.data.projection.Epsg4326;
62import org.openstreetmap.josm.data.projection.Mercator;
63import org.openstreetmap.josm.data.projection.Projection;
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 BooleanProperty PROP_DEFAULT_SHOWERRORS = new BooleanProperty(PREFERENCE_PREFIX + ".default_showerrors", true);
89 public static final IntegerProperty PROP_MIN_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".min_zoom_lvl", DEFAULT_MIN_ZOOM);
90 public static final IntegerProperty PROP_MAX_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".max_zoom_lvl", DEFAULT_MAX_ZOOM);
91 //public static final BooleanProperty PROP_DRAW_DEBUG = new BooleanProperty(PREFERENCE_PREFIX + ".draw_debug", false);
92 public static final BooleanProperty PROP_ADD_TO_SLIPPYMAP_CHOOSER = new BooleanProperty(PREFERENCE_PREFIX + ".add_to_slippymap_chooser", true);
93 public static final StringProperty PROP_TILECACHE_DIR;
94
95 static {
96 String defPath = null;
97 try {
98 defPath = OsmFileCacheTileLoader.getDefaultCacheDir().getAbsolutePath();
99 } catch (SecurityException e) {
100 }
101 PROP_TILECACHE_DIR = new StringProperty(PREFERENCE_PREFIX + ".tilecache_path", defPath);
102 }
103
104 /*boolean debug = true;*/
105
106 protected MemoryTileCache tileCache;
107 protected TileSource tileSource;
108 protected TileLoader tileLoader;
109 JobDispatcher jobDispatcher = JobDispatcher.getInstance();
110
111 HashSet<Tile> tileRequestsOutstanding = new HashSet<Tile>();
112 @Override
113 public synchronized void tileLoadingFinished(Tile tile, boolean success)
114 {
115 if (tile.hasError()) {
116 success = false;
117 tile.setImage(null);
118 }
119 if (sharpenLevel != 0 && success) {
120 tile.setImage(sharpenImage(tile.getImage()));
121 }
122 tile.setLoaded(true);
123 needRedraw = true;
124 Main.map.repaint(100);
125 tileRequestsOutstanding.remove(tile);
126 /*if (debug) {
127 Main.debug("tileLoadingFinished() tile: " + tile + " success: " + success);
128 }*/
129 }
130
131 @Override
132 public TileCache getTileCache()
133 {
134 return tileCache;
135 }
136
137 void clearTileCache()
138 {
139 tileCache.clear();
140 if (tileLoader instanceof OsmFileCacheTileLoader) {
141 ((OsmFileCacheTileLoader)tileLoader).clearCache(tileSource);
142 }
143 }
144
145 /**
146 * Zoomlevel at which tiles is currently downloaded.
147 * Initial zoom lvl is set to bestZoom
148 */
149 public int currentZoomLevel;
150
151 private Tile clickedTile;
152 private boolean needRedraw;
153 private JPopupMenu tileOptionMenu;
154 JCheckBoxMenuItem autoZoomPopup;
155 JCheckBoxMenuItem autoLoadPopup;
156 JCheckBoxMenuItem showErrorsPopup;
157 Tile showMetadataTile;
158 private AttributionSupport attribution = new AttributionSupport();
159 private static final Font InfoFont = new Font("sansserif", Font.BOLD, 13);
160
161 protected boolean autoZoom;
162 protected boolean autoLoad;
163 protected boolean showErrors;
164
165 void redraw()
166 {
167 needRedraw = true;
168 Main.map.repaint();
169 }
170
171 static int checkMaxZoomLvl(int maxZoomLvl, TileSource ts)
172 {
173 if(maxZoomLvl > MAX_ZOOM) {
174 /*Main.debug("Max. zoom level should not be more than 30! Setting to 30.");*/
175 maxZoomLvl = MAX_ZOOM;
176 }
177 if(maxZoomLvl < PROP_MIN_ZOOM_LVL.get()) {
178 /*Main.debug("Max. zoom level should not be more than min. zoom level! Setting to min.");*/
179 maxZoomLvl = PROP_MIN_ZOOM_LVL.get();
180 }
181 if (ts != null && ts.getMaxZoom() != 0 && ts.getMaxZoom() < maxZoomLvl) {
182 maxZoomLvl = ts.getMaxZoom();
183 }
184 return maxZoomLvl;
185 }
186
187 public static int getMaxZoomLvl(TileSource ts)
188 {
189 return checkMaxZoomLvl(PROP_MAX_ZOOM_LVL.get(), ts);
190 }
191
192 public static void setMaxZoomLvl(int maxZoomLvl) {
193 maxZoomLvl = checkMaxZoomLvl(maxZoomLvl, null);
194 PROP_MAX_ZOOM_LVL.put(maxZoomLvl);
195 }
196
197 static int checkMinZoomLvl(int minZoomLvl, TileSource ts)
198 {
199 if(minZoomLvl < MIN_ZOOM) {
200 /*Main.debug("Min. zoom level should not be less than "+MIN_ZOOM+"! Setting to that.");*/
201 minZoomLvl = MIN_ZOOM;
202 }
203 if(minZoomLvl > PROP_MAX_ZOOM_LVL.get()) {
204 /*Main.debug("Min. zoom level should not be more than Max. zoom level! Setting to Max.");*/
205 minZoomLvl = getMaxZoomLvl(ts);
206 }
207 if (ts != null && ts.getMinZoom() > minZoomLvl) {
208 /*Main.debug("Increasing min. zoom level to match tile source");*/
209 minZoomLvl = ts.getMinZoom();
210 }
211 return minZoomLvl;
212 }
213
214 public static int getMinZoomLvl(TileSource ts)
215 {
216 return checkMinZoomLvl(PROP_MIN_ZOOM_LVL.get(), ts);
217 }
218
219 public static void setMinZoomLvl(int minZoomLvl) {
220 minZoomLvl = checkMinZoomLvl(minZoomLvl, null);
221 PROP_MIN_ZOOM_LVL.put(minZoomLvl);
222 }
223
224 public static TileSource getTileSource(ImageryInfo info) {
225 if (info.getImageryType() == ImageryType.TMS) {
226 TMSTileSource t = new TemplatedTMSTileSource(info.getName(), info.getUrl(), info.getMinZoom(), info.getMaxZoom());
227 info.setAttribution(t);
228 return t;
229 } else if (info.getImageryType() == ImageryType.BING)
230 return new BingAerialTileSource();
231 else if (info.getImageryType() == ImageryType.SCANEX)
232 return new ScanexTileSource(info.getUrl());
233 return null;
234 }
235
236 private void initTileSource(TileSource tileSource)
237 {
238 this.tileSource = tileSource;
239 attribution.initialize(tileSource);
240
241 currentZoomLevel = getBestZoom();
242
243 tileCache = new MemoryTileCache();
244
245 String cachePath = TMSLayer.PROP_TILECACHE_DIR.get();
246 tileLoader = null;
247 if (cachePath != null && !cachePath.isEmpty()) {
248 try {
249 tileLoader = new OsmFileCacheTileLoader(this, new File(cachePath));
250 } catch (IOException e) {
251 }
252 }
253 if (tileLoader == null) {
254 tileLoader = new OsmTileLoader(this);
255 }
256 }
257
258 @Override
259 public void setOffset(double dx, double dy) {
260 super.setOffset(dx, dy);
261 needRedraw = true;
262 }
263
264 /**
265 * Returns average number of screen pixels per tile pixel for current mapview
266 */
267 private double getScaleFactor(int zoom) {
268 if (Main.map == null || Main.map.mapView == null) return 1;
269 MapView mv = Main.map.mapView;
270 LatLon topLeft = mv.getLatLon(0, 0);
271 LatLon botRight = mv.getLatLon(mv.getWidth(), mv.getHeight());
272 double x1 = tileSource.lonToTileX(topLeft.lon(), zoom);
273 double y1 = tileSource.latToTileY(topLeft.lat(), zoom);
274 double x2 = tileSource.lonToTileX(botRight.lon(), zoom);
275 double y2 = tileSource.latToTileY(botRight.lat(), zoom);
276
277 int screenPixels = mv.getWidth()*mv.getHeight();
278 double tilePixels = Math.abs((y2-y1)*(x2-x1)*tileSource.getTileSize()*tileSource.getTileSize());
279 if (screenPixels == 0 || tilePixels == 0) return 1;
280 return screenPixels/tilePixels;
281 }
282
283 private int getBestZoom() {
284 double factor = getScaleFactor(1);
285 double result = Math.log(factor)/Math.log(2)/2+1;
286 // In general, smaller zoom levels are more readable. We prefer big,
287 // block, pixelated (but readable) map text to small, smeared,
288 // unreadable underzoomed text. So, use .floor() instead of rounding
289 // to skew things a bit toward the lower zooms.
290 int intResult = (int)Math.floor(result);
291 if (intResult > getMaxZoomLvl())
292 return getMaxZoomLvl();
293 if (intResult < getMinZoomLvl())
294 return getMinZoomLvl();
295 return intResult;
296 }
297
298 @SuppressWarnings("serial")
299 public TMSLayer(ImageryInfo info) {
300 super(info);
301
302 if(!isProjectionSupported(Main.getProjection())) {
303 JOptionPane.showMessageDialog(Main.parent,
304 tr("TMS layers do not support the projection {0}.\n{1}\n"
305 + "Change the projection or remove the layer.",
306 Main.getProjection().toCode(), nameSupportedProjections()),
307 tr("Warning"),
308 JOptionPane.WARNING_MESSAGE);
309 }
310
311 setBackgroundLayer(true);
312 this.setVisible(true);
313
314 TileSource source = getTileSource(info);
315 if (source == null)
316 throw new IllegalStateException("Cannot create TMSLayer with non-TMS ImageryInfo");
317 initTileSource(source);
318
319 tileOptionMenu = new JPopupMenu();
320
321 autoZoom = PROP_DEFAULT_AUTOZOOM.get();
322 autoZoomPopup = new JCheckBoxMenuItem();
323 autoZoomPopup.setAction(new AbstractAction(tr("Auto Zoom")) {
324 @Override
325 public void actionPerformed(ActionEvent ae) {
326 autoZoom = !autoZoom;
327 }
328 });
329 autoZoomPopup.setSelected(autoZoom);
330 tileOptionMenu.add(autoZoomPopup);
331
332 autoLoad = PROP_DEFAULT_AUTOLOAD.get();
333 autoLoadPopup = new JCheckBoxMenuItem();
334 autoLoadPopup.setAction(new AbstractAction(tr("Auto load tiles")) {
335 @Override
336 public void actionPerformed(ActionEvent ae) {
337 autoLoad= !autoLoad;
338 }
339 });
340 autoLoadPopup.setSelected(autoLoad);
341 tileOptionMenu.add(autoLoadPopup);
342
343 showErrors = PROP_DEFAULT_SHOWERRORS.get();
344 showErrorsPopup = new JCheckBoxMenuItem();
345 showErrorsPopup.setAction(new AbstractAction(tr("Show Errors")) {
346 @Override
347 public void actionPerformed(ActionEvent ae) {
348 showErrors = !showErrors;
349 }
350 });
351 showErrorsPopup.setSelected(showErrors);
352 tileOptionMenu.add(showErrorsPopup);
353
354 tileOptionMenu.add(new JMenuItem(new AbstractAction(tr("Load Tile")) {
355 @Override
356 public void actionPerformed(ActionEvent ae) {
357 if (clickedTile != null) {
358 loadTile(clickedTile, true);
359 redraw();
360 }
361 }
362 }));
363
364 tileOptionMenu.add(new JMenuItem(new AbstractAction(
365 tr("Show Tile Info")) {
366 @Override
367 public void actionPerformed(ActionEvent ae) {
368 //Main.debug("info tile: " + clickedTile);
369 if (clickedTile != null) {
370 showMetadataTile = clickedTile;
371 redraw();
372 }
373 }
374 }));
375
376 /* FIXME
377 tileOptionMenu.add(new JMenuItem(new AbstractAction(
378 tr("Request Update")) {
379 public void actionPerformed(ActionEvent ae) {
380 if (clickedTile != null) {
381 clickedTile.requestUpdate();
382 redraw();
383 }
384 }
385 }));*/
386
387 tileOptionMenu.add(new JMenuItem(new AbstractAction(
388 tr("Load All Tiles")) {
389 @Override
390 public void actionPerformed(ActionEvent ae) {
391 loadAllTiles(true);
392 redraw();
393 }
394 }));
395
396 tileOptionMenu.add(new JMenuItem(new AbstractAction(
397 tr("Load All Error Tiles")) {
398 @Override
399 public void actionPerformed(ActionEvent ae) {
400 loadAllErrorTiles(true);
401 redraw();
402 }
403 }));
404
405 // increase and decrease commands
406 tileOptionMenu.add(new JMenuItem(
407 new AbstractAction(tr("Increase zoom")) {
408 @Override
409 public void actionPerformed(ActionEvent ae) {
410 increaseZoomLevel();
411 redraw();
412 }
413 }));
414
415 tileOptionMenu.add(new JMenuItem(
416 new AbstractAction(tr("Decrease zoom")) {
417 @Override
418 public void actionPerformed(ActionEvent ae) {
419 decreaseZoomLevel();
420 redraw();
421 }
422 }));
423
424 // FIXME: currently ran in errors
425
426 tileOptionMenu.add(new JMenuItem(
427 new AbstractAction(tr("Snap to tile size")) {
428 @Override
429 public void actionPerformed(ActionEvent ae) {
430 double new_factor = Math.sqrt(getScaleFactor(currentZoomLevel));
431 Main.map.mapView.zoomToFactor(new_factor);
432 redraw();
433 }
434 }));
435 // end of adding menu commands
436
437 tileOptionMenu.add(new JMenuItem(
438 new AbstractAction(tr("Flush Tile Cache")) {
439 @Override
440 public void actionPerformed(ActionEvent ae) {
441 clearTileCache();
442 }
443 }));
444 // end of adding menu commands
445
446 SwingUtilities.invokeLater(new Runnable() {
447 @Override
448 public void run() {
449 final MouseAdapter adapter = new MouseAdapter() {
450 @Override
451 public void mouseClicked(MouseEvent e) {
452 if (!isVisible()) return;
453 if (e.getButton() == MouseEvent.BUTTON3) {
454 clickedTile = getTileForPixelpos(e.getX(), e.getY());
455 tileOptionMenu.show(e.getComponent(), e.getX(), e.getY());
456 } else if (e.getButton() == MouseEvent.BUTTON1) {
457 attribution.handleAttribution(e.getPoint(), true);
458 }
459 }
460 };
461 Main.map.mapView.addMouseListener(adapter);
462
463 MapView.addLayerChangeListener(new LayerChangeListener() {
464 @Override
465 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
466 //
467 }
468
469 @Override
470 public void layerAdded(Layer newLayer) {
471 //
472 }
473
474 @Override
475 public void layerRemoved(Layer oldLayer) {
476 if (oldLayer == TMSLayer.this) {
477 Main.map.mapView.removeMouseListener(adapter);
478 MapView.removeLayerChangeListener(this);
479 }
480 }
481 });
482 }
483 });
484 }
485
486 void zoomChanged()
487 {
488 /*if (debug) {
489 Main.debug("zoomChanged(): " + currentZoomLevel);
490 }*/
491 needRedraw = true;
492 jobDispatcher.cancelOutstandingJobs();
493 tileRequestsOutstanding.clear();
494 }
495
496 int getMaxZoomLvl()
497 {
498 if (info.getMaxZoom() != 0)
499 return checkMaxZoomLvl(info.getMaxZoom(), tileSource);
500 else
501 return getMaxZoomLvl(tileSource);
502 }
503
504 int getMinZoomLvl()
505 {
506 return getMinZoomLvl(tileSource);
507 }
508
509 /**
510 * Zoom in, go closer to map.
511 *
512 * @return true, if zoom increasing was successfull, false othervise
513 */
514 public boolean zoomIncreaseAllowed()
515 {
516 boolean zia = currentZoomLevel < this.getMaxZoomLvl();
517 /*if (debug) {
518 Main.debug("zoomIncreaseAllowed(): " + zia + " " + currentZoomLevel + " vs. " + this.getMaxZoomLvl() );
519 }*/
520 return zia;
521 }
522 public boolean increaseZoomLevel()
523 {
524 if (zoomIncreaseAllowed()) {
525 currentZoomLevel++;
526 /*if (debug) {
527 Main.debug("increasing zoom level to: " + currentZoomLevel);
528 }*/
529 zoomChanged();
530 } else {
531 Main.warn("Current zoom level ("+currentZoomLevel+") could not be increased. "+
532 "Max.zZoom Level "+this.getMaxZoomLvl()+" reached.");
533 return false;
534 }
535 return true;
536 }
537
538 public boolean setZoomLevel(int zoom)
539 {
540 if (zoom == currentZoomLevel) return true;
541 if (zoom > this.getMaxZoomLvl()) return false;
542 if (zoom < this.getMinZoomLvl()) return false;
543 currentZoomLevel = zoom;
544 zoomChanged();
545 return true;
546 }
547
548 /**
549 * Zoom out from map.
550 *
551 * @return true, if zoom increasing was successfull, false othervise
552 */
553 public boolean zoomDecreaseAllowed()
554 {
555 return currentZoomLevel > this.getMinZoomLvl();
556 }
557 public boolean decreaseZoomLevel() {
558 //int minZoom = this.getMinZoomLvl();
559 if (zoomDecreaseAllowed()) {
560 /*if (debug) {
561 Main.debug("decreasing zoom level to: " + currentZoomLevel);
562 }*/
563 currentZoomLevel--;
564 zoomChanged();
565 } else {
566 /*Main.debug("Current zoom level could not be decreased. Min. zoom level "+minZoom+" reached.");*/
567 return false;
568 }
569 return true;
570 }
571
572 /*
573 * We use these for quick, hackish calculations. They
574 * are temporary only and intentionally not inserted
575 * into the tileCache.
576 */
577 synchronized Tile tempCornerTile(Tile t) {
578 int x = t.getXtile() + 1;
579 int y = t.getYtile() + 1;
580 int zoom = t.getZoom();
581 Tile tile = getTile(x, y, zoom);
582 if (tile != null)
583 return tile;
584 return new Tile(tileSource, x, y, zoom);
585 }
586 synchronized Tile getOrCreateTile(int x, int y, int zoom) {
587 Tile tile = getTile(x, y, zoom);
588 if (tile == null) {
589 tile = new Tile(tileSource, x, y, zoom);
590 tileCache.addTile(tile);
591 tile.loadPlaceholderFromCache(tileCache);
592 }
593 return tile;
594 }
595
596 /*
597 * This can and will return null for tiles that are not
598 * already in the cache.
599 */
600 synchronized Tile getTile(int x, int y, int zoom) {
601 int max = (1 << zoom);
602 if (x < 0 || x >= max || y < 0 || y >= max)
603 return null;
604 Tile tile = tileCache.getTile(tileSource, x, y, zoom);
605 return tile;
606 }
607
608 synchronized boolean loadTile(Tile tile, boolean force)
609 {
610 if (tile == null)
611 return false;
612 if (!force && (tile.hasError() || tile.isLoaded()))
613 return false;
614 if (tile.isLoading())
615 return false;
616 if (tileRequestsOutstanding.contains(tile))
617 return false;
618 tileRequestsOutstanding.add(tile);
619 jobDispatcher.addJob(tileLoader.createTileLoaderJob(tileSource,
620 tile.getXtile(), tile.getYtile(), tile.getZoom()));
621 return true;
622 }
623
624 void loadAllTiles(boolean force) {
625 MapView mv = Main.map.mapView;
626 EastNorth topLeft = mv.getEastNorth(0, 0);
627 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
628
629 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel);
630
631 // if there is more than 18 tiles on screen in any direction, do not
632 // load all tiles!
633 if (ts.tooLarge()) {
634 Main.warn("Not downloading all tiles because there is more than 18 tiles on an axis!");
635 return;
636 }
637 ts.loadAllTiles(force);
638 }
639
640 void loadAllErrorTiles(boolean force) {
641 MapView mv = Main.map.mapView;
642 EastNorth topLeft = mv.getEastNorth(0, 0);
643 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
644
645 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel);
646
647 ts.loadAllErrorTiles(force);
648 }
649
650 /*
651 * Attempt to approximate how much the image is being scaled. For instance,
652 * a 100x100 image being scaled to 50x50 would return 0.25.
653 */
654 Image lastScaledImage = null;
655 @Override
656 public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
657 boolean done = ((infoflags & (ERROR | FRAMEBITS | ALLBITS)) != 0);
658 needRedraw = true;
659 /*if (debug) {
660 Main.debug("imageUpdate() done: " + done + " calling repaint");
661 }*/
662 Main.map.repaint(done ? 0 : 100);
663 return !done;
664 }
665 boolean imageLoaded(Image i) {
666 if (i == null)
667 return false;
668 int status = Toolkit.getDefaultToolkit().checkImage(i, -1, -1, this);
669 if ((status & ALLBITS) != 0)
670 return true;
671 return false;
672 }
673 Image getLoadedTileImage(Tile tile)
674 {
675 if (!tile.isLoaded())
676 return null;
677 Image img = tile.getImage();
678 if (!imageLoaded(img))
679 return null;
680 return img;
681 }
682
683 LatLon tileLatLon(Tile t)
684 {
685 int zoom = t.getZoom();
686 return new LatLon(tileSource.tileYToLat(t.getYtile(), zoom),
687 tileSource.tileXToLon(t.getXtile(), zoom));
688 }
689
690 Rectangle tileToRect(Tile t1)
691 {
692 /*
693 * We need to get a box in which to draw, so advance by one tile in
694 * each direction to find the other corner of the box.
695 * Note: this somewhat pollutes the tile cache
696 */
697 Tile t2 = tempCornerTile(t1);
698 Rectangle rect = new Rectangle(pixelPos(t1));
699 rect.add(pixelPos(t2));
700 return rect;
701 }
702
703 // 'source' is the pixel coordinates for the area that
704 // the img is capable of filling in. However, we probably
705 // only want a portion of it.
706 //
707 // 'border' is the screen cordinates that need to be drawn.
708 // We must not draw outside of it.
709 void drawImageInside(Graphics g, Image sourceImg, Rectangle source, Rectangle border)
710 {
711 Rectangle target = source;
712
713 // If a border is specified, only draw the intersection
714 // if what we have combined with what we are supposed
715 // to draw.
716 if (border != null) {
717 target = source.intersection(border);
718 /*if (debug) {
719 Main.debug("source: " + source + "\nborder: " + border + "\nintersection: " + target);
720 }*/
721 }
722
723 // All of the rectangles are in screen coordinates. We need
724 // to how these correlate to the sourceImg pixels. We could
725 // avoid doing this by scaling the image up to the 'source' size,
726 // but this should be cheaper.
727 //
728 // In some projections, x any y are scaled differently enough to
729 // cause a pixel or two of fudge. Calculate them separately.
730 double imageYScaling = sourceImg.getHeight(this) / source.getHeight();
731 double imageXScaling = sourceImg.getWidth(this) / source.getWidth();
732
733 // How many pixels into the 'source' rectangle are we drawing?
734 int screen_x_offset = target.x - source.x;
735 int screen_y_offset = target.y - source.y;
736 // And how many pixels into the image itself does that
737 // correlate to?
738 int img_x_offset = (int)(screen_x_offset * imageXScaling);
739 int img_y_offset = (int)(screen_y_offset * imageYScaling);
740 // Now calculate the other corner of the image that we need
741 // by scaling the 'target' rectangle's dimensions.
742 int img_x_end = img_x_offset + (int)(target.getWidth() * imageXScaling);
743 int img_y_end = img_y_offset + (int)(target.getHeight() * imageYScaling);
744
745 /*if (debug) {
746 Main.debug("drawing image into target rect: " + target);
747 }*/
748 g.drawImage(sourceImg,
749 target.x, target.y,
750 target.x + target.width, target.y + target.height,
751 img_x_offset, img_y_offset,
752 img_x_end, img_y_end,
753 this);
754 if (PROP_FADE_AMOUNT.get() != 0) {
755 // dimm by painting opaque rect...
756 g.setColor(getFadeColorWithAlpha());
757 g.fillRect(target.x, target.y,
758 target.width, target.height);
759 }
760 }
761 // This function is called for several zoom levels, not just
762 // the current one. It should not trigger any tiles to be
763 // downloaded. It should also avoid polluting the tile cache
764 // with any tiles since these tiles are not mandatory.
765 //
766 // The "border" tile tells us the boundaries of where we may
767 // draw. It will not be from the zoom level that is being
768 // drawn currently. If drawing the displayZoomLevel,
769 // border is null and we draw the entire tile set.
770 List<Tile> paintTileImages(Graphics g, TileSet ts, int zoom, Tile border) {
771 if (zoom <= 0) return Collections.emptyList();
772 Rectangle borderRect = null;
773 if (border != null) {
774 borderRect = tileToRect(border);
775 }
776 List<Tile> missedTiles = new LinkedList<Tile>();
777 // The callers of this code *require* that we return any tiles
778 // that we do not draw in missedTiles. ts.allExistingTiles() by
779 // default will only return already-existing tiles. However, we
780 // need to return *all* tiles to the callers, so force creation
781 // here.
782 //boolean forceTileCreation = true;
783 for (Tile tile : ts.allTilesCreate()) {
784 Image img = getLoadedTileImage(tile);
785 if (img == null || tile.hasError()) {
786 /*if (debug) {
787 Main.debug("missed tile: " + tile);
788 }*/
789 missedTiles.add(tile);
790 continue;
791 }
792 Rectangle sourceRect = tileToRect(tile);
793 if (borderRect != null && !sourceRect.intersects(borderRect)) {
794 continue;
795 }
796 drawImageInside(g, img, sourceRect, borderRect);
797 }// end of for
798 return missedTiles;
799 }
800
801 void myDrawString(Graphics g, String text, int x, int y) {
802 Color oldColor = g.getColor();
803 g.setColor(Color.black);
804 g.drawString(text,x+1,y+1);
805 g.setColor(oldColor);
806 g.drawString(text,x,y);
807 }
808
809 void paintTileText(TileSet ts, Tile tile, Graphics g, MapView mv, int zoom, Tile t) {
810 int fontHeight = g.getFontMetrics().getHeight();
811 if (tile == null)
812 return;
813 Point p = pixelPos(t);
814 int texty = p.y + 2 + fontHeight;
815
816 /*if (PROP_DRAW_DEBUG.get()) {
817 myDrawString(g, "x=" + t.getXtile() + " y=" + t.getYtile() + " z=" + zoom + "", p.x + 2, texty);
818 texty += 1 + fontHeight;
819 if ((t.getXtile() % 32 == 0) && (t.getYtile() % 32 == 0)) {
820 myDrawString(g, "x=" + t.getXtile() / 32 + " y=" + t.getYtile() / 32 + " z=7", p.x + 2, texty);
821 texty += 1 + fontHeight;
822 }
823 }*/// end of if draw debug
824
825 if (tile == showMetadataTile) {
826 String md = tile.toString();
827 if (md != null) {
828 myDrawString(g, md, p.x + 2, texty);
829 texty += 1 + fontHeight;
830 }
831 Map<String, String> meta = tile.getMetadata();
832 if (meta != null) {
833 for (Map.Entry<String, String> entry : meta.entrySet()) {
834 myDrawString(g, entry.getKey() + ": " + entry.getValue(), p.x + 2, texty);
835 texty += 1 + fontHeight;
836 }
837 }
838 }
839
840 /*String tileStatus = tile.getStatus();
841 if (!tile.isLoaded() && PROP_DRAW_DEBUG.get()) {
842 myDrawString(g, tr("image " + tileStatus), p.x + 2, texty);
843 texty += 1 + fontHeight;
844 }*/
845
846 if (tile.hasError() && showErrors) {
847 myDrawString(g, tr("Error") + ": " + tr(tile.getErrorMessage()), p.x + 2, texty);
848 texty += 1 + fontHeight;
849 }
850
851 /*int xCursor = -1;
852 int yCursor = -1;
853 if (PROP_DRAW_DEBUG.get()) {
854 if (yCursor < t.getYtile()) {
855 if (t.getYtile() % 32 == 31) {
856 g.fillRect(0, p.y - 1, mv.getWidth(), 3);
857 } else {
858 g.drawLine(0, p.y, mv.getWidth(), p.y);
859 }
860 yCursor = t.getYtile();
861 }
862 // This draws the vertical lines for the entire
863 // column. Only draw them for the top tile in
864 // the column.
865 if (xCursor < t.getXtile()) {
866 if (t.getXtile() % 32 == 0) {
867 // level 7 tile boundary
868 g.fillRect(p.x - 1, 0, 3, mv.getHeight());
869 } else {
870 g.drawLine(p.x, 0, p.x, mv.getHeight());
871 }
872 xCursor = t.getXtile();
873 }
874 }*/
875 }
876
877 private Point pixelPos(LatLon ll) {
878 return Main.map.mapView.getPoint(Main.getProjection().latlon2eastNorth(ll).add(getDx(), getDy()));
879 }
880 private Point pixelPos(Tile t) {
881 double lon = tileSource.tileXToLon(t.getXtile(), t.getZoom());
882 LatLon tmpLL = new LatLon(tileSource.tileYToLat(t.getYtile(), t.getZoom()), lon);
883 return pixelPos(tmpLL);
884 }
885 private LatLon getShiftedLatLon(EastNorth en) {
886 return Main.getProjection().eastNorth2latlon(en.add(-getDx(), -getDy()));
887 }
888 private Coordinate getShiftedCoord(EastNorth en) {
889 LatLon ll = getShiftedLatLon(en);
890 return new Coordinate(ll.lat(),ll.lon());
891 }
892
893 private final TileSet nullTileSet = new TileSet((LatLon)null, (LatLon)null, 0);
894 private class TileSet {
895 int x0, x1, y0, y1;
896 int zoom;
897 int tileMax = -1;
898
899 /**
900 * Create a TileSet by EastNorth bbox taking a layer shift in account
901 */
902 TileSet(EastNorth topLeft, EastNorth botRight, int zoom) {
903 this(getShiftedLatLon(topLeft), getShiftedLatLon(botRight),zoom);
904 }
905
906 /**
907 * Create a TileSet by known LatLon bbox without layer shift correction
908 */
909 TileSet(LatLon topLeft, LatLon botRight, int zoom) {
910 this.zoom = zoom;
911 if (zoom == 0)
912 return;
913
914 x0 = (int)tileSource.lonToTileX(topLeft.lon(), zoom);
915 y0 = (int)tileSource.latToTileY(topLeft.lat(), zoom);
916 x1 = (int)tileSource.lonToTileX(botRight.lon(), zoom);
917 y1 = (int)tileSource.latToTileY(botRight.lat(), zoom);
918 if (x0 > x1) {
919 int tmp = x0;
920 x0 = x1;
921 x1 = tmp;
922 }
923 if (y0 > y1) {
924 int tmp = y0;
925 y0 = y1;
926 y1 = tmp;
927 }
928 tileMax = (int)Math.pow(2.0, zoom);
929 if (x0 < 0) {
930 x0 = 0;
931 }
932 if (y0 < 0) {
933 y0 = 0;
934 }
935 if (x1 > tileMax) {
936 x1 = tileMax;
937 }
938 if (y1 > tileMax) {
939 y1 = tileMax;
940 }
941 }
942 boolean tooSmall() {
943 return this.tilesSpanned() < 2.1;
944 }
945 boolean tooLarge() {
946 return this.tilesSpanned() > 10;
947 }
948 boolean insane() {
949 return this.tilesSpanned() > 100;
950 }
951 double tilesSpanned() {
952 return Math.sqrt(1.0 * this.size());
953 }
954
955 int size() {
956 int x_span = x1 - x0 + 1;
957 int y_span = y1 - y0 + 1;
958 return x_span * y_span;
959 }
960
961 /*
962 * Get all tiles represented by this TileSet that are
963 * already in the tileCache.
964 */
965 List<Tile> allExistingTiles()
966 {
967 return this.__allTiles(false);
968 }
969 List<Tile> allTilesCreate()
970 {
971 return this.__allTiles(true);
972 }
973 private List<Tile> __allTiles(boolean create)
974 {
975 // Tileset is either empty or too large
976 if (zoom == 0 || this.insane())
977 return Collections.emptyList();
978 List<Tile> ret = new ArrayList<Tile>();
979 for (int x = x0; x <= x1; x++) {
980 for (int y = y0; y <= y1; y++) {
981 Tile t;
982 if (create) {
983 t = getOrCreateTile(x % tileMax, y % tileMax, zoom);
984 } else {
985 t = getTile(x % tileMax, y % tileMax, zoom);
986 }
987 if (t != null) {
988 ret.add(t);
989 }
990 }
991 }
992 return ret;
993 }
994 private List<Tile> allLoadedTiles()
995 {
996 List<Tile> ret = new ArrayList<Tile>();
997 for (Tile t : this.allExistingTiles()) {
998 if (t.isLoaded())
999 ret.add(t);
1000 }
1001 return ret;
1002 }
1003
1004 void loadAllTiles(boolean force)
1005 {
1006 if (!autoLoad && !force)
1007 return;
1008 for (Tile t : this.allTilesCreate()) {
1009 loadTile(t, false);
1010 }
1011 }
1012
1013 void loadAllErrorTiles(boolean force)
1014 {
1015 if (!autoLoad && !force)
1016 return;
1017 for (Tile t : this.allTilesCreate()) {
1018 if (t.hasError()) {
1019 loadTile(t, true);
1020 }
1021 }
1022 }
1023 }
1024
1025
1026 private static class TileSetInfo {
1027 public boolean hasVisibleTiles = false;
1028 public boolean hasOverzoomedTiles = false;
1029 public boolean hasLoadingTiles = false;
1030 }
1031
1032 private static TileSetInfo getTileSetInfo(TileSet ts) {
1033 List<Tile> allTiles = ts.allExistingTiles();
1034 TileSetInfo result = new TileSetInfo();
1035 result.hasLoadingTiles = allTiles.size() < ts.size();
1036 for (Tile t : allTiles) {
1037 if (t.isLoaded()) {
1038 if (!t.hasError()) {
1039 result.hasVisibleTiles = true;
1040 }
1041 if ("no-tile".equals(t.getValue("tile-info"))) {
1042 result.hasOverzoomedTiles = true;
1043 }
1044 } else {
1045 result.hasLoadingTiles = true;
1046 }
1047 }
1048 return result;
1049 }
1050
1051 private class DeepTileSet {
1052 final EastNorth topLeft, botRight;
1053 final int minZoom, maxZoom;
1054 private final TileSet[] tileSets;
1055 private final TileSetInfo[] tileSetInfos;
1056 public DeepTileSet(EastNorth topLeft, EastNorth botRight, int minZoom, int maxZoom) {
1057 this.topLeft = topLeft;
1058 this.botRight = botRight;
1059 this.minZoom = minZoom;
1060 this.maxZoom = maxZoom;
1061 this.tileSets = new TileSet[maxZoom - minZoom + 1];
1062 this.tileSetInfos = new TileSetInfo[maxZoom - minZoom + 1];
1063 }
1064 public TileSet getTileSet(int zoom) {
1065 if (zoom < minZoom)
1066 return nullTileSet;
1067 TileSet ts = tileSets[zoom-minZoom];
1068 if (ts == null) {
1069 ts = new TileSet(topLeft, botRight, zoom);
1070 tileSets[zoom-minZoom] = ts;
1071 }
1072 return ts;
1073 }
1074 public TileSetInfo getTileSetInfo(int zoom) {
1075 if (zoom < minZoom)
1076 return new TileSetInfo();
1077 TileSetInfo tsi = tileSetInfos[zoom-minZoom];
1078 if (tsi == null) {
1079 tsi = TMSLayer.getTileSetInfo(getTileSet(zoom));
1080 tileSetInfos[zoom-minZoom] = tsi;
1081 }
1082 return tsi;
1083 }
1084 }
1085
1086 /**
1087 */
1088 @Override
1089 public void paint(Graphics2D g, MapView mv, Bounds bounds) {
1090 //long start = System.currentTimeMillis();
1091 EastNorth topLeft = mv.getEastNorth(0, 0);
1092 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
1093
1094 if (botRight.east() == 0.0 || botRight.north() == 0) {
1095 /*Main.debug("still initializing??");*/
1096 // probably still initializing
1097 return;
1098 }
1099
1100 needRedraw = false;
1101
1102 int zoom = currentZoomLevel;
1103 if (autoZoom) {
1104 double pixelScaling = getScaleFactor(zoom);
1105 if (pixelScaling > 3 || pixelScaling < 0.7) {
1106 zoom = getBestZoom();
1107 }
1108 }
1109
1110 DeepTileSet dts = new DeepTileSet(topLeft, botRight, getMinZoomLvl(), zoom);
1111 TileSet ts = dts.getTileSet(zoom);
1112
1113 int displayZoomLevel = zoom;
1114
1115 boolean noTilesAtZoom = false;
1116 if (autoZoom && autoLoad) {
1117 // Auto-detection of tilesource maxzoom (currently fully works only for Bing)
1118 TileSetInfo tsi = dts.getTileSetInfo(zoom);
1119 if (!tsi.hasVisibleTiles && (!tsi.hasLoadingTiles || tsi.hasOverzoomedTiles)) {
1120 noTilesAtZoom = true;
1121 }
1122 // Find highest zoom level with at least one visible tile
1123 for (int tmpZoom = zoom; tmpZoom > dts.minZoom; tmpZoom--) {
1124 if (dts.getTileSetInfo(tmpZoom).hasVisibleTiles) {
1125 displayZoomLevel = tmpZoom;
1126 break;
1127 }
1128 }
1129 // Do binary search between currentZoomLevel and displayZoomLevel
1130 while (zoom > displayZoomLevel && !tsi.hasVisibleTiles && tsi.hasOverzoomedTiles){
1131 zoom = (zoom + displayZoomLevel)/2;
1132 tsi = dts.getTileSetInfo(zoom);
1133 }
1134
1135 setZoomLevel(zoom);
1136
1137 // If all tiles at displayZoomLevel is loaded, load all tiles at next zoom level
1138 // to make sure there're really no more zoom levels
1139 if (zoom == displayZoomLevel && !tsi.hasLoadingTiles && zoom < dts.maxZoom) {
1140 zoom++;
1141 tsi = dts.getTileSetInfo(zoom);
1142 }
1143 // When we have overzoomed tiles and all tiles at current zoomlevel is loaded,
1144 // load tiles at previovus zoomlevels until we have all tiles on screen is loaded.
1145 while (zoom > dts.minZoom && tsi.hasOverzoomedTiles && !tsi.hasLoadingTiles) {
1146 zoom--;
1147 tsi = dts.getTileSetInfo(zoom);
1148 }
1149 ts = dts.getTileSet(zoom);
1150 } else if (autoZoom) {
1151 setZoomLevel(zoom);
1152 }
1153
1154 // Too many tiles... refuse to download
1155 if (!ts.tooLarge()) {
1156 //Main.debug("size: " + ts.size() + " spanned: " + ts.tilesSpanned());
1157 ts.loadAllTiles(false);
1158 }
1159
1160 if (displayZoomLevel != zoom) {
1161 ts = dts.getTileSet(displayZoomLevel);
1162 }
1163
1164 g.setColor(Color.DARK_GRAY);
1165
1166 List<Tile> missedTiles = this.paintTileImages(g, ts, displayZoomLevel, null);
1167 int otherZooms[] = { -1, 1, -2, 2, -3, -4, -5};
1168 for (int zoomOffset : otherZooms) {
1169 if (!autoZoom) {
1170 break;
1171 }
1172 int newzoom = displayZoomLevel + zoomOffset;
1173 if (newzoom < MIN_ZOOM) {
1174 continue;
1175 }
1176 if (missedTiles.size() <= 0) {
1177 break;
1178 }
1179 List<Tile> newlyMissedTiles = new LinkedList<Tile>();
1180 for (Tile missed : missedTiles) {
1181 if ("no-tile".equals(missed.getValue("tile-info")) && zoomOffset > 0) {
1182 // Don't try to paint from higher zoom levels when tile is overzoomed
1183 newlyMissedTiles.add(missed);
1184 continue;
1185 }
1186 Tile t2 = tempCornerTile(missed);
1187 LatLon topLeft2 = tileLatLon(missed);
1188 LatLon botRight2 = tileLatLon(t2);
1189 TileSet ts2 = new TileSet(topLeft2, botRight2, newzoom);
1190 // Instantiating large TileSets is expensive. If there
1191 // are no loaded tiles, don't bother even trying.
1192 if (ts2.allLoadedTiles().size() == 0) {
1193 newlyMissedTiles.add(missed);
1194 continue;
1195 }
1196 if (ts2.tooLarge()) {
1197 continue;
1198 }
1199 newlyMissedTiles.addAll(this.paintTileImages(g, ts2, newzoom, missed));
1200 }
1201 missedTiles = newlyMissedTiles;
1202 }
1203 /*if (debug && missedTiles.size() > 0) {
1204 Main.debug("still missed "+missedTiles.size()+" in the end");
1205 }*/
1206 g.setColor(Color.red);
1207 g.setFont(InfoFont);
1208
1209 // The current zoom tileset should have all of its tiles
1210 // due to the loadAllTiles(), unless it to tooLarge()
1211 for (Tile t : ts.allExistingTiles()) {
1212 this.paintTileText(ts, t, g, mv, displayZoomLevel, t);
1213 }
1214
1215 attribution.paintAttribution(g, mv.getWidth(), mv.getHeight(), getShiftedCoord(topLeft), getShiftedCoord(botRight), displayZoomLevel, this);
1216
1217 //g.drawString("currentZoomLevel=" + currentZoomLevel, 120, 120);
1218 g.setColor(Color.lightGray);
1219 if (!autoZoom) {
1220 if (ts.insane()) {
1221 myDrawString(g, tr("zoom in to load any tiles"), 120, 120);
1222 } else if (ts.tooLarge()) {
1223 myDrawString(g, tr("zoom in to load more tiles"), 120, 120);
1224 } else if (ts.tooSmall()) {
1225 myDrawString(g, tr("increase zoom level to see more detail"), 120, 120);
1226 }
1227 }
1228 if (noTilesAtZoom) {
1229 myDrawString(g, tr("No tiles at this zoom level"), 120, 120);
1230 }
1231 /*if (debug) {
1232 myDrawString(g, tr("Current zoom: {0}", currentZoomLevel), 50, 140);
1233 myDrawString(g, tr("Display zoom: {0}", displayZoomLevel), 50, 155);
1234 myDrawString(g, tr("Pixel scale: {0}", getScaleFactor(currentZoomLevel)), 50, 170);
1235 myDrawString(g, tr("Best zoom: {0}", Math.log(getScaleFactor(1))/Math.log(2)/2+1), 50, 185);
1236 }*/
1237 }
1238
1239 /**
1240 * This isn't very efficient, but it is only used when the
1241 * user right-clicks on the map.
1242 */
1243 Tile getTileForPixelpos(int px, int py) {
1244 /*if (debug) {
1245 Main.debug("getTileForPixelpos("+px+", "+py+")");
1246 }*/
1247 MapView mv = Main.map.mapView;
1248 Point clicked = new Point(px, py);
1249 EastNorth topLeft = mv.getEastNorth(0, 0);
1250 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
1251 int z = currentZoomLevel;
1252 TileSet ts = new TileSet(topLeft, botRight, z);
1253
1254 if (!ts.tooLarge()) {
1255 ts.loadAllTiles(false); // make sure there are tile objects for all tiles
1256 }
1257 Tile clickedTile = null;
1258 for (Tile t1 : ts.allExistingTiles()) {
1259 Tile t2 = tempCornerTile(t1);
1260 Rectangle r = new Rectangle(pixelPos(t1));
1261 r.add(pixelPos(t2));
1262 /*if (debug) {
1263 Main.debug("r: " + r + " clicked: " + clicked);
1264 }*/
1265 if (!r.contains(clicked)) {
1266 continue;
1267 }
1268 clickedTile = t1;
1269 break;
1270 }
1271 if (clickedTile == null)
1272 return null;
1273 /*Main.debug("Clicked on tile: " + clickedTile.getXtile() + " " + clickedTile.getYtile() +
1274 " currentZoomLevel: " + currentZoomLevel);*/
1275 return clickedTile;
1276 }
1277
1278 @Override
1279 public Action[] getMenuEntries() {
1280 return new Action[] {
1281 LayerListDialog.getInstance().createShowHideLayerAction(),
1282 LayerListDialog.getInstance().createDeleteLayerAction(),
1283 SeparatorLayerAction.INSTANCE,
1284 // color,
1285 new OffsetAction(),
1286 new RenameLayerAction(this.getAssociatedFile(), this),
1287 SeparatorLayerAction.INSTANCE,
1288 new LayerListPopup.InfoAction(this) };
1289 }
1290
1291 @Override
1292 public String getToolTipText() {
1293 return null;
1294 }
1295
1296 @Override
1297 public void visitBoundingBox(BoundingXYVisitor v) {
1298 }
1299
1300 @Override
1301 public boolean isChanged() {
1302 return needRedraw;
1303 }
1304
1305 @Override
1306 public boolean isProjectionSupported(Projection proj) {
1307 return proj instanceof Mercator || proj instanceof Epsg4326;
1308 }
1309
1310 @Override
1311 public String nameSupportedProjections() {
1312 return tr("EPSG:4326 and Mercator projection are supported");
1313 }
1314}
Note: See TracBrowser for help on using the repository browser.