001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.layer; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.Color; 007import java.awt.Font; 008import java.awt.Graphics; 009import java.awt.Graphics2D; 010import java.awt.Image; 011import java.awt.Point; 012import java.awt.Rectangle; 013import java.awt.Toolkit; 014import java.awt.event.ActionEvent; 015import java.awt.event.MouseAdapter; 016import java.awt.event.MouseEvent; 017import java.awt.image.ImageObserver; 018import java.io.File; 019import java.io.IOException; 020import java.io.StringReader; 021import java.net.URL; 022import java.util.ArrayList; 023import java.util.Collections; 024import java.util.HashSet; 025import java.util.LinkedList; 026import java.util.List; 027import java.util.Map; 028import java.util.Map.Entry; 029import java.util.Scanner; 030import java.util.Set; 031import java.util.concurrent.Callable; 032import java.util.regex.Matcher; 033import java.util.regex.Pattern; 034 035import javax.swing.AbstractAction; 036import javax.swing.Action; 037import javax.swing.JCheckBoxMenuItem; 038import javax.swing.JMenuItem; 039import javax.swing.JOptionPane; 040import javax.swing.JPopupMenu; 041 042import org.openstreetmap.gui.jmapviewer.AttributionSupport; 043import org.openstreetmap.gui.jmapviewer.Coordinate; 044import org.openstreetmap.gui.jmapviewer.JobDispatcher; 045import org.openstreetmap.gui.jmapviewer.MemoryTileCache; 046import org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader; 047import org.openstreetmap.gui.jmapviewer.OsmTileLoader; 048import org.openstreetmap.gui.jmapviewer.Tile; 049import org.openstreetmap.gui.jmapviewer.interfaces.CachedTileLoader; 050import org.openstreetmap.gui.jmapviewer.interfaces.TileCache; 051import org.openstreetmap.gui.jmapviewer.interfaces.TileClearController; 052import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener; 053import org.openstreetmap.gui.jmapviewer.interfaces.TileSource; 054import org.openstreetmap.gui.jmapviewer.tilesources.BingAerialTileSource; 055import org.openstreetmap.gui.jmapviewer.tilesources.ScanexTileSource; 056import org.openstreetmap.gui.jmapviewer.tilesources.TMSTileSource; 057import org.openstreetmap.gui.jmapviewer.tilesources.TemplatedTMSTileSource; 058import org.openstreetmap.josm.Main; 059import org.openstreetmap.josm.actions.RenameLayerAction; 060import org.openstreetmap.josm.data.Bounds; 061import org.openstreetmap.josm.data.Version; 062import org.openstreetmap.josm.data.coor.EastNorth; 063import org.openstreetmap.josm.data.coor.LatLon; 064import org.openstreetmap.josm.data.imagery.ImageryInfo; 065import org.openstreetmap.josm.data.imagery.ImageryInfo.ImageryType; 066import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor; 067import org.openstreetmap.josm.data.preferences.BooleanProperty; 068import org.openstreetmap.josm.data.preferences.IntegerProperty; 069import org.openstreetmap.josm.data.preferences.StringProperty; 070import org.openstreetmap.josm.data.projection.Projection; 071import org.openstreetmap.josm.gui.MapFrame; 072import org.openstreetmap.josm.gui.MapView; 073import org.openstreetmap.josm.gui.MapView.LayerChangeListener; 074import org.openstreetmap.josm.gui.PleaseWaitRunnable; 075import org.openstreetmap.josm.gui.dialogs.LayerListDialog; 076import org.openstreetmap.josm.gui.dialogs.LayerListPopup; 077import org.openstreetmap.josm.gui.progress.ProgressMonitor; 078import org.openstreetmap.josm.gui.progress.ProgressMonitor.CancelListener; 079import org.openstreetmap.josm.io.CacheCustomContent; 080import org.openstreetmap.josm.io.OsmTransferException; 081import org.openstreetmap.josm.io.UTFInputStreamReader; 082import org.openstreetmap.josm.tools.Utils; 083import org.xml.sax.InputSource; 084import org.xml.sax.SAXException; 085 086/** 087 * Class that displays a slippy map layer. 088 * 089 * @author Frederik Ramm 090 * @author LuVar <lubomir.varga@freemap.sk> 091 * @author Dave Hansen <dave@sr71.net> 092 * @author Upliner <upliner@gmail.com> 093 * 094 */ 095public class TMSLayer extends ImageryLayer implements ImageObserver, TileLoaderListener { 096 public static final String PREFERENCE_PREFIX = "imagery.tms"; 097 098 public static final int MAX_ZOOM = 30; 099 public static final int MIN_ZOOM = 2; 100 public static final int DEFAULT_MAX_ZOOM = 20; 101 public static final int DEFAULT_MIN_ZOOM = 2; 102 103 public static final BooleanProperty PROP_DEFAULT_AUTOZOOM = new BooleanProperty(PREFERENCE_PREFIX + ".default_autozoom", true); 104 public static final BooleanProperty PROP_DEFAULT_AUTOLOAD = new BooleanProperty(PREFERENCE_PREFIX + ".default_autoload", true); 105 public static final BooleanProperty PROP_DEFAULT_SHOWERRORS = new BooleanProperty(PREFERENCE_PREFIX + ".default_showerrors", true); 106 public static final IntegerProperty PROP_MIN_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".min_zoom_lvl", DEFAULT_MIN_ZOOM); 107 public static final IntegerProperty PROP_MAX_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".max_zoom_lvl", DEFAULT_MAX_ZOOM); 108 //public static final BooleanProperty PROP_DRAW_DEBUG = new BooleanProperty(PREFERENCE_PREFIX + ".draw_debug", false); 109 public static final BooleanProperty PROP_ADD_TO_SLIPPYMAP_CHOOSER = new BooleanProperty(PREFERENCE_PREFIX + ".add_to_slippymap_chooser", true); 110 public static final IntegerProperty PROP_TMS_JOBS = new IntegerProperty("tmsloader.maxjobs", 25); 111 public static final StringProperty PROP_TILECACHE_DIR; 112 113 static { 114 String defPath = null; 115 try { 116 defPath = OsmFileCacheTileLoader.getDefaultCacheDir().getAbsolutePath(); 117 } catch (SecurityException e) { 118 Main.warn(e); 119 } 120 PROP_TILECACHE_DIR = new StringProperty(PREFERENCE_PREFIX + ".tilecache_path", defPath); 121 } 122 123 public interface TileLoaderFactory { 124 OsmTileLoader makeTileLoader(TileLoaderListener listener); 125 } 126 127 protected MemoryTileCache tileCache; 128 protected TileSource tileSource; 129 protected OsmTileLoader tileLoader; 130 131 public static TileLoaderFactory loaderFactory = new TileLoaderFactory() { 132 @Override 133 public OsmTileLoader makeTileLoader(TileLoaderListener listener) { 134 String cachePath = TMSLayer.PROP_TILECACHE_DIR.get(); 135 if (cachePath != null && !cachePath.isEmpty()) { 136 try { 137 OsmFileCacheTileLoader loader = new OsmFileCacheTileLoader(listener, new File(cachePath)); 138 loader.headers.put("User-Agent", Version.getInstance().getFullAgentString()); 139 return loader; 140 } catch (IOException e) { 141 Main.warn(e); 142 } 143 } 144 return null; 145 } 146 }; 147 148 /** 149 * Plugins that wish to set custom tile loader should call this method 150 */ 151 public static void setCustomTileLoaderFactory(TileLoaderFactory loaderFactory) { 152 TMSLayer.loaderFactory = loaderFactory; 153 } 154 155 private Set<Tile> tileRequestsOutstanding = new HashSet<>(); 156 157 @Override 158 public synchronized void tileLoadingFinished(Tile tile, boolean success) { 159 if (tile.hasError()) { 160 success = false; 161 tile.setImage(null); 162 } 163 if (sharpenLevel != 0 && success) { 164 tile.setImage(sharpenImage(tile.getImage())); 165 } 166 tile.setLoaded(true); 167 needRedraw = true; 168 if (Main.map != null) { 169 Main.map.repaint(100); 170 } 171 tileRequestsOutstanding.remove(tile); 172 if (Main.isDebugEnabled()) { 173 Main.debug("tileLoadingFinished() tile: " + tile + " success: " + success); 174 } 175 } 176 177 @Override 178 public TileCache getTileCache() { 179 return tileCache; 180 } 181 182 private static class TmsTileClearController implements TileClearController, CancelListener { 183 184 private final ProgressMonitor monitor; 185 private boolean cancel = false; 186 187 public TmsTileClearController(ProgressMonitor monitor) { 188 this.monitor = monitor; 189 this.monitor.addCancelListener(this); 190 } 191 192 @Override 193 public void initClearDir(File dir) { 194 } 195 196 @Override 197 public void initClearFiles(File[] files) { 198 monitor.setTicksCount(files.length); 199 monitor.setTicks(0); 200 } 201 202 @Override 203 public boolean cancel() { 204 return cancel; 205 } 206 207 @Override 208 public void fileDeleted(File file) { 209 monitor.setTicks(monitor.getTicks()+1); 210 } 211 212 @Override 213 public void clearFinished() { 214 monitor.finishTask(); 215 } 216 217 @Override 218 public void operationCanceled() { 219 cancel = true; 220 } 221 } 222 223 /** 224 * Clears the tile cache. 225 * 226 * If the current tileLoader is an instance of OsmTileLoader, a new 227 * TmsTileClearController is created and passed to the according clearCache 228 * method. 229 * 230 * @param monitor 231 * @see MemoryTileCache#clear() 232 * @see OsmFileCacheTileLoader#clearCache(org.openstreetmap.gui.jmapviewer.interfaces.TileSource, org.openstreetmap.gui.jmapviewer.interfaces.TileClearController) 233 */ 234 void clearTileCache(ProgressMonitor monitor) { 235 tileCache.clear(); 236 if (tileLoader instanceof CachedTileLoader) { 237 ((CachedTileLoader)tileLoader).clearCache(tileSource, new TmsTileClearController(monitor)); 238 } 239 } 240 241 /** 242 * Zoomlevel at which tiles is currently downloaded. 243 * Initial zoom lvl is set to bestZoom 244 */ 245 public int currentZoomLevel; 246 247 private Tile clickedTile; 248 private boolean needRedraw; 249 private JPopupMenu tileOptionMenu; 250 JCheckBoxMenuItem autoZoomPopup; 251 JCheckBoxMenuItem autoLoadPopup; 252 JCheckBoxMenuItem showErrorsPopup; 253 Tile showMetadataTile; 254 private AttributionSupport attribution = new AttributionSupport(); 255 private static final Font InfoFont = new Font("sansserif", Font.BOLD, 13); 256 257 protected boolean autoZoom; 258 protected boolean autoLoad; 259 protected boolean showErrors; 260 261 /** 262 * Initiates a repaint of Main.map 263 * 264 * @see Main#map 265 * @see MapFrame#repaint() 266 */ 267 void redraw() { 268 needRedraw = true; 269 Main.map.repaint(); 270 } 271 272 static int checkMaxZoomLvl(int maxZoomLvl, TileSource ts) { 273 if(maxZoomLvl > MAX_ZOOM) { 274 maxZoomLvl = MAX_ZOOM; 275 } 276 if(maxZoomLvl < PROP_MIN_ZOOM_LVL.get()) { 277 maxZoomLvl = PROP_MIN_ZOOM_LVL.get(); 278 } 279 if (ts != null && ts.getMaxZoom() != 0 && ts.getMaxZoom() < maxZoomLvl) { 280 maxZoomLvl = ts.getMaxZoom(); 281 } 282 return maxZoomLvl; 283 } 284 285 public static int getMaxZoomLvl(TileSource ts) { 286 return checkMaxZoomLvl(PROP_MAX_ZOOM_LVL.get(), ts); 287 } 288 289 public static void setMaxZoomLvl(int maxZoomLvl) { 290 maxZoomLvl = checkMaxZoomLvl(maxZoomLvl, null); 291 PROP_MAX_ZOOM_LVL.put(maxZoomLvl); 292 } 293 294 static int checkMinZoomLvl(int minZoomLvl, TileSource ts) { 295 if(minZoomLvl < MIN_ZOOM) { 296 /*Main.debug("Min. zoom level should not be less than "+MIN_ZOOM+"! Setting to that.");*/ 297 minZoomLvl = MIN_ZOOM; 298 } 299 if(minZoomLvl > PROP_MAX_ZOOM_LVL.get()) { 300 /*Main.debug("Min. zoom level should not be more than Max. zoom level! Setting to Max.");*/ 301 minZoomLvl = getMaxZoomLvl(ts); 302 } 303 if (ts != null && ts.getMinZoom() > minZoomLvl) { 304 /*Main.debug("Increasing min. zoom level to match tile source");*/ 305 minZoomLvl = ts.getMinZoom(); 306 } 307 return minZoomLvl; 308 } 309 310 public static int getMinZoomLvl(TileSource ts) { 311 return checkMinZoomLvl(PROP_MIN_ZOOM_LVL.get(), ts); 312 } 313 314 public static void setMinZoomLvl(int minZoomLvl) { 315 minZoomLvl = checkMinZoomLvl(minZoomLvl, null); 316 PROP_MIN_ZOOM_LVL.put(minZoomLvl); 317 } 318 319 private static class CachedAttributionBingAerialTileSource extends BingAerialTileSource { 320 321 class BingAttributionData extends CacheCustomContent<IOException> { 322 323 public BingAttributionData() { 324 super("bing.attribution.xml", CacheCustomContent.INTERVAL_HOURLY); 325 } 326 327 @Override 328 protected byte[] updateData() throws IOException { 329 URL u = getAttributionUrl(); 330 try (Scanner scanner = new Scanner(UTFInputStreamReader.create(Utils.openURL(u)))) { 331 String r = scanner.useDelimiter("\\A").next(); 332 Main.info("Successfully loaded Bing attribution data."); 333 return r.getBytes("UTF-8"); 334 } 335 } 336 } 337 338 @Override 339 protected Callable<List<Attribution>> getAttributionLoaderCallable() { 340 return new Callable<List<Attribution>>() { 341 342 @Override 343 public List<Attribution> call() throws Exception { 344 BingAttributionData attributionLoader = new BingAttributionData(); 345 int waitTimeSec = 1; 346 while (true) { 347 try { 348 String xml = attributionLoader.updateIfRequiredString(); 349 return parseAttributionText(new InputSource(new StringReader((xml)))); 350 } catch (IOException ex) { 351 Main.warn("Could not connect to Bing API. Will retry in " + waitTimeSec + " seconds."); 352 Thread.sleep(waitTimeSec * 1000L); 353 waitTimeSec *= 2; 354 } 355 } 356 } 357 }; 358 } 359 } 360 361 /** 362 * Creates and returns a new TileSource instance depending on the {@link ImageryType} 363 * of the passed ImageryInfo object. 364 * 365 * If no appropriate TileSource is found, null is returned. 366 * Currently supported ImageryType are {@link ImageryType#TMS}, 367 * {@link ImageryType#BING}, {@link ImageryType#SCANEX}. 368 * 369 * @param info 370 * @return a new TileSource instance or null if no TileSource for the ImageryInfo/ImageryType could be found. 371 * @throws IllegalArgumentException 372 */ 373 public static TileSource getTileSource(ImageryInfo info) throws IllegalArgumentException { 374 if (info.getImageryType() == ImageryType.TMS) { 375 checkUrl(info.getUrl()); 376 TMSTileSource t = new TemplatedTMSTileSource(info.getName(), info.getUrl(), info.getMinZoom(), info.getMaxZoom()); 377 info.setAttribution(t); 378 return t; 379 } else if (info.getImageryType() == ImageryType.BING) 380 return new CachedAttributionBingAerialTileSource(); 381 else if (info.getImageryType() == ImageryType.SCANEX) { 382 return new ScanexTileSource(info.getName(), info.getUrl(), info.getMaxZoom()); 383 } 384 return null; 385 } 386 387 public static void checkUrl(String url) throws IllegalArgumentException { 388 if (url == null) { 389 throw new IllegalArgumentException(); 390 } else { 391 Matcher m = Pattern.compile("\\{[^}]*\\}").matcher(url); 392 while (m.find()) { 393 boolean isSupportedPattern = false; 394 for (String pattern : TemplatedTMSTileSource.ALL_PATTERNS) { 395 if (m.group().matches(pattern)) { 396 isSupportedPattern = true; 397 break; 398 } 399 } 400 if (!isSupportedPattern) { 401 throw new IllegalArgumentException(tr("{0} is not a valid TMS argument. Please check this server URL:\n{1}", m.group(), url)); 402 } 403 } 404 } 405 } 406 407 private void initTileSource(TileSource tileSource) { 408 this.tileSource = tileSource; 409 attribution.initialize(tileSource); 410 411 currentZoomLevel = getBestZoom(); 412 413 tileCache = new MemoryTileCache(); 414 415 tileLoader = loaderFactory.makeTileLoader(this); 416 if (tileLoader == null) { 417 tileLoader = new OsmTileLoader(this); 418 } 419 tileLoader.timeoutConnect = Main.pref.getInteger("socket.timeout.connect",15) * 1000; 420 tileLoader.timeoutRead = Main.pref.getInteger("socket.timeout.read", 30) * 1000; 421 if (tileSource instanceof TemplatedTMSTileSource) { 422 for(Entry<String, String> e : ((TemplatedTMSTileSource)tileSource).getHeaders().entrySet()) { 423 tileLoader.headers.put(e.getKey(), e.getValue()); 424 } 425 } 426 tileLoader.headers.put("User-Agent", Version.getInstance().getFullAgentString()); 427 } 428 429 @Override 430 public void setOffset(double dx, double dy) { 431 super.setOffset(dx, dy); 432 needRedraw = true; 433 } 434 435 /** 436 * Returns average number of screen pixels per tile pixel for current mapview 437 */ 438 private double getScaleFactor(int zoom) { 439 if (!Main.isDisplayingMapView()) return 1; 440 MapView mv = Main.map.mapView; 441 LatLon topLeft = mv.getLatLon(0, 0); 442 LatLon botRight = mv.getLatLon(mv.getWidth(), mv.getHeight()); 443 double x1 = tileSource.lonToTileX(topLeft.lon(), zoom); 444 double y1 = tileSource.latToTileY(topLeft.lat(), zoom); 445 double x2 = tileSource.lonToTileX(botRight.lon(), zoom); 446 double y2 = tileSource.latToTileY(botRight.lat(), zoom); 447 448 int screenPixels = mv.getWidth()*mv.getHeight(); 449 double tilePixels = Math.abs((y2-y1)*(x2-x1)*tileSource.getTileSize()*tileSource.getTileSize()); 450 if (screenPixels == 0 || tilePixels == 0) return 1; 451 return screenPixels/tilePixels; 452 } 453 454 private final int getBestZoom() { 455 double factor = getScaleFactor(1); 456 double result = Math.log(factor)/Math.log(2)/2+1; 457 // In general, smaller zoom levels are more readable. We prefer big, 458 // block, pixelated (but readable) map text to small, smeared, 459 // unreadable underzoomed text. So, use .floor() instead of rounding 460 // to skew things a bit toward the lower zooms. 461 int intResult = (int)Math.floor(result); 462 if (intResult > getMaxZoomLvl()) 463 return getMaxZoomLvl(); 464 if (intResult < getMinZoomLvl()) 465 return getMinZoomLvl(); 466 return intResult; 467 } 468 469 /** 470 * Function to set the maximum number of workers for tile loading to the value defined 471 * in preferences. 472 */ 473 public static void setMaxWorkers() { 474 JobDispatcher.setMaxWorkers(PROP_TMS_JOBS.get()); 475 JobDispatcher.getInstance().setLIFO(true); 476 } 477 478 @SuppressWarnings("serial") 479 public TMSLayer(ImageryInfo info) { 480 super(info); 481 482 setMaxWorkers(); 483 if(!isProjectionSupported(Main.getProjection())) { 484 JOptionPane.showMessageDialog(Main.parent, 485 tr("TMS layers do not support the projection {0}.\n{1}\n" 486 + "Change the projection or remove the layer.", 487 Main.getProjection().toCode(), nameSupportedProjections()), 488 tr("Warning"), 489 JOptionPane.WARNING_MESSAGE); 490 } 491 492 setBackgroundLayer(true); 493 this.setVisible(true); 494 495 TileSource source = getTileSource(info); 496 if (source == null) 497 throw new IllegalStateException("Cannot create TMSLayer with non-TMS ImageryInfo"); 498 initTileSource(source); 499 } 500 501 /** 502 * Adds a context menu to the mapView. 503 */ 504 @Override 505 public void hookUpMapView() { 506 tileOptionMenu = new JPopupMenu(); 507 508 autoZoom = PROP_DEFAULT_AUTOZOOM.get(); 509 autoZoomPopup = new JCheckBoxMenuItem(); 510 autoZoomPopup.setAction(new AbstractAction(tr("Auto Zoom")) { 511 @Override 512 public void actionPerformed(ActionEvent ae) { 513 autoZoom = !autoZoom; 514 } 515 }); 516 autoZoomPopup.setSelected(autoZoom); 517 tileOptionMenu.add(autoZoomPopup); 518 519 autoLoad = PROP_DEFAULT_AUTOLOAD.get(); 520 autoLoadPopup = new JCheckBoxMenuItem(); 521 autoLoadPopup.setAction(new AbstractAction(tr("Auto load tiles")) { 522 @Override 523 public void actionPerformed(ActionEvent ae) { 524 autoLoad= !autoLoad; 525 } 526 }); 527 autoLoadPopup.setSelected(autoLoad); 528 tileOptionMenu.add(autoLoadPopup); 529 530 showErrors = PROP_DEFAULT_SHOWERRORS.get(); 531 showErrorsPopup = new JCheckBoxMenuItem(); 532 showErrorsPopup.setAction(new AbstractAction(tr("Show Errors")) { 533 @Override 534 public void actionPerformed(ActionEvent ae) { 535 showErrors = !showErrors; 536 } 537 }); 538 showErrorsPopup.setSelected(showErrors); 539 tileOptionMenu.add(showErrorsPopup); 540 541 tileOptionMenu.add(new JMenuItem(new AbstractAction(tr("Load Tile")) { 542 @Override 543 public void actionPerformed(ActionEvent ae) { 544 if (clickedTile != null) { 545 loadTile(clickedTile, true); 546 redraw(); 547 } 548 } 549 })); 550 551 tileOptionMenu.add(new JMenuItem(new AbstractAction( 552 tr("Show Tile Info")) { 553 @Override 554 public void actionPerformed(ActionEvent ae) { 555 if (clickedTile != null) { 556 showMetadataTile = clickedTile; 557 redraw(); 558 } 559 } 560 })); 561 562 /* FIXME 563 tileOptionMenu.add(new JMenuItem(new AbstractAction( 564 tr("Request Update")) { 565 public void actionPerformed(ActionEvent ae) { 566 if (clickedTile != null) { 567 clickedTile.requestUpdate(); 568 redraw(); 569 } 570 } 571 }));*/ 572 573 tileOptionMenu.add(new JMenuItem(new AbstractAction( 574 tr("Load All Tiles")) { 575 @Override 576 public void actionPerformed(ActionEvent ae) { 577 loadAllTiles(true); 578 redraw(); 579 } 580 })); 581 582 tileOptionMenu.add(new JMenuItem(new AbstractAction( 583 tr("Load All Error Tiles")) { 584 @Override 585 public void actionPerformed(ActionEvent ae) { 586 loadAllErrorTiles(true); 587 redraw(); 588 } 589 })); 590 591 // increase and decrease commands 592 tileOptionMenu.add(new JMenuItem(new AbstractAction( 593 tr("Increase zoom")) { 594 @Override 595 public void actionPerformed(ActionEvent ae) { 596 increaseZoomLevel(); 597 redraw(); 598 } 599 })); 600 601 tileOptionMenu.add(new JMenuItem(new AbstractAction( 602 tr("Decrease zoom")) { 603 @Override 604 public void actionPerformed(ActionEvent ae) { 605 decreaseZoomLevel(); 606 redraw(); 607 } 608 })); 609 610 tileOptionMenu.add(new JMenuItem(new AbstractAction( 611 tr("Snap to tile size")) { 612 @Override 613 public void actionPerformed(ActionEvent ae) { 614 double new_factor = Math.sqrt(getScaleFactor(currentZoomLevel)); 615 Main.map.mapView.zoomToFactor(new_factor); 616 redraw(); 617 } 618 })); 619 620 tileOptionMenu.add(new JMenuItem(new AbstractAction( 621 tr("Flush Tile Cache")) { 622 @Override 623 public void actionPerformed(ActionEvent ae) { 624 new PleaseWaitRunnable(tr("Flush Tile Cache")) { 625 @Override 626 protected void realRun() throws SAXException, IOException, 627 OsmTransferException { 628 clearTileCache(getProgressMonitor()); 629 } 630 631 @Override 632 protected void finish() { 633 } 634 635 @Override 636 protected void cancel() { 637 } 638 }.run(); 639 } 640 })); 641 642 final MouseAdapter adapter = new MouseAdapter() { 643 @Override 644 public void mouseClicked(MouseEvent e) { 645 if (!isVisible()) return; 646 if (e.getButton() == MouseEvent.BUTTON3) { 647 clickedTile = getTileForPixelpos(e.getX(), e.getY()); 648 tileOptionMenu.show(e.getComponent(), e.getX(), e.getY()); 649 } else if (e.getButton() == MouseEvent.BUTTON1) { 650 attribution.handleAttribution(e.getPoint(), true); 651 } 652 } 653 }; 654 Main.map.mapView.addMouseListener(adapter); 655 656 MapView.addLayerChangeListener(new LayerChangeListener() { 657 @Override 658 public void activeLayerChange(Layer oldLayer, Layer newLayer) { 659 // 660 } 661 662 @Override 663 public void layerAdded(Layer newLayer) { 664 // 665 } 666 667 @Override 668 public void layerRemoved(Layer oldLayer) { 669 if (oldLayer == TMSLayer.this) { 670 Main.map.mapView.removeMouseListener(adapter); 671 MapView.removeLayerChangeListener(this); 672 } 673 } 674 }); 675 } 676 677 void zoomChanged() { 678 if (Main.isDebugEnabled()) { 679 Main.debug("zoomChanged(): " + currentZoomLevel); 680 } 681 needRedraw = true; 682 JobDispatcher.getInstance().cancelOutstandingJobs(); 683 tileRequestsOutstanding.clear(); 684 } 685 686 int getMaxZoomLvl() { 687 if (info.getMaxZoom() != 0) 688 return checkMaxZoomLvl(info.getMaxZoom(), tileSource); 689 else 690 return getMaxZoomLvl(tileSource); 691 } 692 693 int getMinZoomLvl() { 694 return getMinZoomLvl(tileSource); 695 } 696 697 /** 698 * Zoom in, go closer to map. 699 * 700 * @return true, if zoom increasing was successfull, false othervise 701 */ 702 public boolean zoomIncreaseAllowed() { 703 boolean zia = currentZoomLevel < this.getMaxZoomLvl(); 704 if (Main.isDebugEnabled()) { 705 Main.debug("zoomIncreaseAllowed(): " + zia + " " + currentZoomLevel + " vs. " + this.getMaxZoomLvl() ); 706 } 707 return zia; 708 } 709 710 public boolean increaseZoomLevel() { 711 if (zoomIncreaseAllowed()) { 712 currentZoomLevel++; 713 if (Main.isDebugEnabled()) { 714 Main.debug("increasing zoom level to: " + currentZoomLevel); 715 } 716 zoomChanged(); 717 } else { 718 Main.warn("Current zoom level ("+currentZoomLevel+") could not be increased. "+ 719 "Max.zZoom Level "+this.getMaxZoomLvl()+" reached."); 720 return false; 721 } 722 return true; 723 } 724 725 public boolean setZoomLevel(int zoom) { 726 if (zoom == currentZoomLevel) return true; 727 if (zoom > this.getMaxZoomLvl()) return false; 728 if (zoom < this.getMinZoomLvl()) return false; 729 currentZoomLevel = zoom; 730 zoomChanged(); 731 return true; 732 } 733 734 /** 735 * Check if zooming out is allowed 736 * 737 * @return true, if zooming out is allowed (currentZoomLevel > minZoomLevel) 738 */ 739 public boolean zoomDecreaseAllowed() { 740 return currentZoomLevel > this.getMinZoomLvl(); 741 } 742 743 /** 744 * Zoom out from map. 745 * 746 * @return true, if zoom increasing was successfull, false othervise 747 */ 748 public boolean decreaseZoomLevel() { 749 //int minZoom = this.getMinZoomLvl(); 750 if (zoomDecreaseAllowed()) { 751 if (Main.isDebugEnabled()) { 752 Main.debug("decreasing zoom level to: " + currentZoomLevel); 753 } 754 currentZoomLevel--; 755 zoomChanged(); 756 } else { 757 /*Main.debug("Current zoom level could not be decreased. Min. zoom level "+minZoom+" reached.");*/ 758 return false; 759 } 760 return true; 761 } 762 763 /* 764 * We use these for quick, hackish calculations. They 765 * are temporary only and intentionally not inserted 766 * into the tileCache. 767 */ 768 synchronized Tile tempCornerTile(Tile t) { 769 int x = t.getXtile() + 1; 770 int y = t.getYtile() + 1; 771 int zoom = t.getZoom(); 772 Tile tile = getTile(x, y, zoom); 773 if (tile != null) 774 return tile; 775 return new Tile(tileSource, x, y, zoom); 776 } 777 778 synchronized Tile getOrCreateTile(int x, int y, int zoom) { 779 Tile tile = getTile(x, y, zoom); 780 if (tile == null) { 781 tile = new Tile(tileSource, x, y, zoom); 782 tileCache.addTile(tile); 783 tile.loadPlaceholderFromCache(tileCache); 784 } 785 return tile; 786 } 787 788 /* 789 * This can and will return null for tiles that are not 790 * already in the cache. 791 */ 792 synchronized Tile getTile(int x, int y, int zoom) { 793 int max = (1 << zoom); 794 if (x < 0 || x >= max || y < 0 || y >= max) 795 return null; 796 return tileCache.getTile(tileSource, x, y, zoom); 797 } 798 799 synchronized boolean loadTile(Tile tile, boolean force) { 800 if (tile == null) 801 return false; 802 if (!force && (tile.hasError() || tile.isLoaded())) 803 return false; 804 if (tile.isLoading()) 805 return false; 806 if (tileRequestsOutstanding.contains(tile)) 807 return false; 808 tileRequestsOutstanding.add(tile); 809 JobDispatcher.getInstance().addJob(tileLoader.createTileLoaderJob(tile)); 810 return true; 811 } 812 813 void loadAllTiles(boolean force) { 814 MapView mv = Main.map.mapView; 815 EastNorth topLeft = mv.getEastNorth(0, 0); 816 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 817 818 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 819 820 // if there is more than 18 tiles on screen in any direction, do not 821 // load all tiles! 822 if (ts.tooLarge()) { 823 Main.warn("Not downloading all tiles because there is more than 18 tiles on an axis!"); 824 return; 825 } 826 ts.loadAllTiles(force); 827 } 828 829 void loadAllErrorTiles(boolean force) { 830 MapView mv = Main.map.mapView; 831 EastNorth topLeft = mv.getEastNorth(0, 0); 832 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 833 834 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 835 836 ts.loadAllErrorTiles(force); 837 } 838 839 /* 840 * Attempt to approximate how much the image is being scaled. For instance, 841 * a 100x100 image being scaled to 50x50 would return 0.25. 842 */ 843 Image lastScaledImage = null; 844 @Override 845 public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) { 846 boolean done = ((infoflags & (ERROR | FRAMEBITS | ALLBITS)) != 0); 847 needRedraw = true; 848 if (Main.isDebugEnabled()) { 849 Main.debug("imageUpdate() done: " + done + " calling repaint"); 850 } 851 Main.map.repaint(done ? 0 : 100); 852 return !done; 853 } 854 855 boolean imageLoaded(Image i) { 856 if (i == null) 857 return false; 858 int status = Toolkit.getDefaultToolkit().checkImage(i, -1, -1, this); 859 if ((status & ALLBITS) != 0) 860 return true; 861 return false; 862 } 863 864 /** 865 * Returns the image for the given tile if both tile and image are loaded. 866 * Otherwise returns null. 867 * 868 * @param tile the Tile for which the image should be returned 869 * @return the image of the tile or null. 870 */ 871 Image getLoadedTileImage(Tile tile) { 872 if (!tile.isLoaded()) 873 return null; 874 Image img = tile.getImage(); 875 if (!imageLoaded(img)) 876 return null; 877 return img; 878 } 879 880 LatLon tileLatLon(Tile t) { 881 int zoom = t.getZoom(); 882 return new LatLon(tileSource.tileYToLat(t.getYtile(), zoom), 883 tileSource.tileXToLon(t.getXtile(), zoom)); 884 } 885 886 Rectangle tileToRect(Tile t1) { 887 /* 888 * We need to get a box in which to draw, so advance by one tile in 889 * each direction to find the other corner of the box. 890 * Note: this somewhat pollutes the tile cache 891 */ 892 Tile t2 = tempCornerTile(t1); 893 Rectangle rect = new Rectangle(pixelPos(t1)); 894 rect.add(pixelPos(t2)); 895 return rect; 896 } 897 898 // 'source' is the pixel coordinates for the area that 899 // the img is capable of filling in. However, we probably 900 // only want a portion of it. 901 // 902 // 'border' is the screen cordinates that need to be drawn. 903 // We must not draw outside of it. 904 void drawImageInside(Graphics g, Image sourceImg, Rectangle source, Rectangle border) { 905 Rectangle target = source; 906 907 // If a border is specified, only draw the intersection 908 // if what we have combined with what we are supposed 909 // to draw. 910 if (border != null) { 911 target = source.intersection(border); 912 if (Main.isDebugEnabled()) { 913 Main.debug("source: " + source + "\nborder: " + border + "\nintersection: " + target); 914 } 915 } 916 917 // All of the rectangles are in screen coordinates. We need 918 // to how these correlate to the sourceImg pixels. We could 919 // avoid doing this by scaling the image up to the 'source' size, 920 // but this should be cheaper. 921 // 922 // In some projections, x any y are scaled differently enough to 923 // cause a pixel or two of fudge. Calculate them separately. 924 double imageYScaling = sourceImg.getHeight(this) / source.getHeight(); 925 double imageXScaling = sourceImg.getWidth(this) / source.getWidth(); 926 927 // How many pixels into the 'source' rectangle are we drawing? 928 int screen_x_offset = target.x - source.x; 929 int screen_y_offset = target.y - source.y; 930 // And how many pixels into the image itself does that 931 // correlate to? 932 int img_x_offset = (int)(screen_x_offset * imageXScaling); 933 int img_y_offset = (int)(screen_y_offset * imageYScaling); 934 // Now calculate the other corner of the image that we need 935 // by scaling the 'target' rectangle's dimensions. 936 int img_x_end = img_x_offset + (int)(target.getWidth() * imageXScaling); 937 int img_y_end = img_y_offset + (int)(target.getHeight() * imageYScaling); 938 939 if (Main.isDebugEnabled()) { 940 Main.debug("drawing image into target rect: " + target); 941 } 942 g.drawImage(sourceImg, 943 target.x, target.y, 944 target.x + target.width, target.y + target.height, 945 img_x_offset, img_y_offset, 946 img_x_end, img_y_end, 947 this); 948 if (PROP_FADE_AMOUNT.get() != 0) { 949 // dimm by painting opaque rect... 950 g.setColor(getFadeColorWithAlpha()); 951 g.fillRect(target.x, target.y, 952 target.width, target.height); 953 } 954 } 955 956 // This function is called for several zoom levels, not just 957 // the current one. It should not trigger any tiles to be 958 // downloaded. It should also avoid polluting the tile cache 959 // with any tiles since these tiles are not mandatory. 960 // 961 // The "border" tile tells us the boundaries of where we may 962 // draw. It will not be from the zoom level that is being 963 // drawn currently. If drawing the displayZoomLevel, 964 // border is null and we draw the entire tile set. 965 List<Tile> paintTileImages(Graphics g, TileSet ts, int zoom, Tile border) { 966 if (zoom <= 0) return Collections.emptyList(); 967 Rectangle borderRect = null; 968 if (border != null) { 969 borderRect = tileToRect(border); 970 } 971 List<Tile> missedTiles = new LinkedList<>(); 972 // The callers of this code *require* that we return any tiles 973 // that we do not draw in missedTiles. ts.allExistingTiles() by 974 // default will only return already-existing tiles. However, we 975 // need to return *all* tiles to the callers, so force creation 976 // here. 977 //boolean forceTileCreation = true; 978 for (Tile tile : ts.allTilesCreate()) { 979 Image img = getLoadedTileImage(tile); 980 if (img == null || tile.hasError()) { 981 if (Main.isDebugEnabled()) { 982 Main.debug("missed tile: " + tile); 983 } 984 missedTiles.add(tile); 985 continue; 986 } 987 Rectangle sourceRect = tileToRect(tile); 988 if (borderRect != null && !sourceRect.intersects(borderRect)) { 989 continue; 990 } 991 drawImageInside(g, img, sourceRect, borderRect); 992 } 993 return missedTiles; 994 } 995 996 void myDrawString(Graphics g, String text, int x, int y) { 997 Color oldColor = g.getColor(); 998 g.setColor(Color.black); 999 g.drawString(text,x+1,y+1); 1000 g.setColor(oldColor); 1001 g.drawString(text,x,y); 1002 } 1003 1004 void paintTileText(TileSet ts, Tile tile, Graphics g, MapView mv, int zoom, Tile t) { 1005 int fontHeight = g.getFontMetrics().getHeight(); 1006 if (tile == null) 1007 return; 1008 Point p = pixelPos(t); 1009 int texty = p.y + 2 + fontHeight; 1010 1011 /*if (PROP_DRAW_DEBUG.get()) { 1012 myDrawString(g, "x=" + t.getXtile() + " y=" + t.getYtile() + " z=" + zoom + "", p.x + 2, texty); 1013 texty += 1 + fontHeight; 1014 if ((t.getXtile() % 32 == 0) && (t.getYtile() % 32 == 0)) { 1015 myDrawString(g, "x=" + t.getXtile() / 32 + " y=" + t.getYtile() / 32 + " z=7", p.x + 2, texty); 1016 texty += 1 + fontHeight; 1017 } 1018 }*/ 1019 1020 if (tile == showMetadataTile) { 1021 String md = tile.toString(); 1022 if (md != null) { 1023 myDrawString(g, md, p.x + 2, texty); 1024 texty += 1 + fontHeight; 1025 } 1026 Map<String, String> meta = tile.getMetadata(); 1027 if (meta != null) { 1028 for (Map.Entry<String, String> entry : meta.entrySet()) { 1029 myDrawString(g, entry.getKey() + ": " + entry.getValue(), p.x + 2, texty); 1030 texty += 1 + fontHeight; 1031 } 1032 } 1033 } 1034 1035 /*String tileStatus = tile.getStatus(); 1036 if (!tile.isLoaded() && PROP_DRAW_DEBUG.get()) { 1037 myDrawString(g, tr("image " + tileStatus), p.x + 2, texty); 1038 texty += 1 + fontHeight; 1039 }*/ 1040 1041 if (tile.hasError() && showErrors) { 1042 myDrawString(g, tr("Error") + ": " + tr(tile.getErrorMessage()), p.x + 2, texty); 1043 texty += 1 + fontHeight; 1044 } 1045 1046 /*int xCursor = -1; 1047 int yCursor = -1; 1048 if (PROP_DRAW_DEBUG.get()) { 1049 if (yCursor < t.getYtile()) { 1050 if (t.getYtile() % 32 == 31) { 1051 g.fillRect(0, p.y - 1, mv.getWidth(), 3); 1052 } else { 1053 g.drawLine(0, p.y, mv.getWidth(), p.y); 1054 } 1055 yCursor = t.getYtile(); 1056 } 1057 // This draws the vertical lines for the entire 1058 // column. Only draw them for the top tile in 1059 // the column. 1060 if (xCursor < t.getXtile()) { 1061 if (t.getXtile() % 32 == 0) { 1062 // level 7 tile boundary 1063 g.fillRect(p.x - 1, 0, 3, mv.getHeight()); 1064 } else { 1065 g.drawLine(p.x, 0, p.x, mv.getHeight()); 1066 } 1067 xCursor = t.getXtile(); 1068 } 1069 }*/ 1070 } 1071 1072 private Point pixelPos(LatLon ll) { 1073 return Main.map.mapView.getPoint(Main.getProjection().latlon2eastNorth(ll).add(getDx(), getDy())); 1074 } 1075 1076 private Point pixelPos(Tile t) { 1077 double lon = tileSource.tileXToLon(t.getXtile(), t.getZoom()); 1078 LatLon tmpLL = new LatLon(tileSource.tileYToLat(t.getYtile(), t.getZoom()), lon); 1079 return pixelPos(tmpLL); 1080 } 1081 1082 private LatLon getShiftedLatLon(EastNorth en) { 1083 return Main.getProjection().eastNorth2latlon(en.add(-getDx(), -getDy())); 1084 } 1085 1086 private Coordinate getShiftedCoord(EastNorth en) { 1087 LatLon ll = getShiftedLatLon(en); 1088 return new Coordinate(ll.lat(),ll.lon()); 1089 } 1090 1091 private final TileSet nullTileSet = new TileSet((LatLon)null, (LatLon)null, 0); 1092 private class TileSet { 1093 int x0, x1, y0, y1; 1094 int zoom; 1095 int tileMax = -1; 1096 1097 /** 1098 * Create a TileSet by EastNorth bbox taking a layer shift in account 1099 */ 1100 TileSet(EastNorth topLeft, EastNorth botRight, int zoom) { 1101 this(getShiftedLatLon(topLeft), getShiftedLatLon(botRight),zoom); 1102 } 1103 1104 /** 1105 * Create a TileSet by known LatLon bbox without layer shift correction 1106 */ 1107 TileSet(LatLon topLeft, LatLon botRight, int zoom) { 1108 this.zoom = zoom; 1109 if (zoom == 0) 1110 return; 1111 1112 x0 = (int)tileSource.lonToTileX(topLeft.lon(), zoom); 1113 y0 = (int)tileSource.latToTileY(topLeft.lat(), zoom); 1114 x1 = (int)tileSource.lonToTileX(botRight.lon(), zoom); 1115 y1 = (int)tileSource.latToTileY(botRight.lat(), zoom); 1116 if (x0 > x1) { 1117 int tmp = x0; 1118 x0 = x1; 1119 x1 = tmp; 1120 } 1121 if (y0 > y1) { 1122 int tmp = y0; 1123 y0 = y1; 1124 y1 = tmp; 1125 } 1126 tileMax = (int)Math.pow(2.0, zoom); 1127 if (x0 < 0) { 1128 x0 = 0; 1129 } 1130 if (y0 < 0) { 1131 y0 = 0; 1132 } 1133 if (x1 > tileMax) { 1134 x1 = tileMax; 1135 } 1136 if (y1 > tileMax) { 1137 y1 = tileMax; 1138 } 1139 } 1140 1141 boolean tooSmall() { 1142 return this.tilesSpanned() < 2.1; 1143 } 1144 1145 boolean tooLarge() { 1146 return this.tilesSpanned() > 10; 1147 } 1148 1149 boolean insane() { 1150 return this.tilesSpanned() > 100; 1151 } 1152 1153 double tilesSpanned() { 1154 return Math.sqrt(1.0 * this.size()); 1155 } 1156 1157 int size() { 1158 int x_span = x1 - x0 + 1; 1159 int y_span = y1 - y0 + 1; 1160 return x_span * y_span; 1161 } 1162 1163 /* 1164 * Get all tiles represented by this TileSet that are 1165 * already in the tileCache. 1166 */ 1167 List<Tile> allExistingTiles() { 1168 return this.__allTiles(false); 1169 } 1170 1171 List<Tile> allTilesCreate() { 1172 return this.__allTiles(true); 1173 } 1174 1175 private List<Tile> __allTiles(boolean create) { 1176 // Tileset is either empty or too large 1177 if (zoom == 0 || this.insane()) 1178 return Collections.emptyList(); 1179 List<Tile> ret = new ArrayList<>(); 1180 for (int x = x0; x <= x1; x++) { 1181 for (int y = y0; y <= y1; y++) { 1182 Tile t; 1183 if (create) { 1184 t = getOrCreateTile(x % tileMax, y % tileMax, zoom); 1185 } else { 1186 t = getTile(x % tileMax, y % tileMax, zoom); 1187 } 1188 if (t != null) { 1189 ret.add(t); 1190 } 1191 } 1192 } 1193 return ret; 1194 } 1195 1196 private List<Tile> allLoadedTiles() { 1197 List<Tile> ret = new ArrayList<>(); 1198 for (Tile t : this.allExistingTiles()) { 1199 if (t.isLoaded()) 1200 ret.add(t); 1201 } 1202 return ret; 1203 } 1204 1205 void loadAllTiles(boolean force) { 1206 if (!autoLoad && !force) 1207 return; 1208 for (Tile t : this.allTilesCreate()) { 1209 loadTile(t, false); 1210 } 1211 } 1212 1213 void loadAllErrorTiles(boolean force) { 1214 if (!autoLoad && !force) 1215 return; 1216 for (Tile t : this.allTilesCreate()) { 1217 if (t.hasError()) { 1218 loadTile(t, true); 1219 } 1220 } 1221 } 1222 } 1223 1224 1225 private static class TileSetInfo { 1226 public boolean hasVisibleTiles = false; 1227 public boolean hasOverzoomedTiles = false; 1228 public boolean hasLoadingTiles = false; 1229 } 1230 1231 private static TileSetInfo getTileSetInfo(TileSet ts) { 1232 List<Tile> allTiles = ts.allExistingTiles(); 1233 TileSetInfo result = new TileSetInfo(); 1234 result.hasLoadingTiles = allTiles.size() < ts.size(); 1235 for (Tile t : allTiles) { 1236 if (t.isLoaded()) { 1237 if (!t.hasError()) { 1238 result.hasVisibleTiles = true; 1239 } 1240 if ("no-tile".equals(t.getValue("tile-info"))) { 1241 result.hasOverzoomedTiles = true; 1242 } 1243 } else { 1244 result.hasLoadingTiles = true; 1245 } 1246 } 1247 return result; 1248 } 1249 1250 private class DeepTileSet { 1251 final EastNorth topLeft, botRight; 1252 final int minZoom, maxZoom; 1253 private final TileSet[] tileSets; 1254 private final TileSetInfo[] tileSetInfos; 1255 public DeepTileSet(EastNorth topLeft, EastNorth botRight, int minZoom, int maxZoom) { 1256 this.topLeft = topLeft; 1257 this.botRight = botRight; 1258 this.minZoom = minZoom; 1259 this.maxZoom = maxZoom; 1260 this.tileSets = new TileSet[maxZoom - minZoom + 1]; 1261 this.tileSetInfos = new TileSetInfo[maxZoom - minZoom + 1]; 1262 } 1263 public TileSet getTileSet(int zoom) { 1264 if (zoom < minZoom) 1265 return nullTileSet; 1266 TileSet ts = tileSets[zoom-minZoom]; 1267 if (ts == null) { 1268 ts = new TileSet(topLeft, botRight, zoom); 1269 tileSets[zoom-minZoom] = ts; 1270 } 1271 return ts; 1272 } 1273 public TileSetInfo getTileSetInfo(int zoom) { 1274 if (zoom < minZoom) 1275 return new TileSetInfo(); 1276 TileSetInfo tsi = tileSetInfos[zoom-minZoom]; 1277 if (tsi == null) { 1278 tsi = TMSLayer.getTileSetInfo(getTileSet(zoom)); 1279 tileSetInfos[zoom-minZoom] = tsi; 1280 } 1281 return tsi; 1282 } 1283 } 1284 1285 @Override 1286 public void paint(Graphics2D g, MapView mv, Bounds bounds) { 1287 //long start = System.currentTimeMillis(); 1288 EastNorth topLeft = mv.getEastNorth(0, 0); 1289 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1290 1291 if (botRight.east() == 0.0 || botRight.north() == 0) { 1292 /*Main.debug("still initializing??");*/ 1293 // probably still initializing 1294 return; 1295 } 1296 1297 needRedraw = false; 1298 1299 int zoom = currentZoomLevel; 1300 if (autoZoom) { 1301 double pixelScaling = getScaleFactor(zoom); 1302 if (pixelScaling > 3 || pixelScaling < 0.7) { 1303 zoom = getBestZoom(); 1304 } 1305 } 1306 1307 DeepTileSet dts = new DeepTileSet(topLeft, botRight, getMinZoomLvl(), zoom); 1308 TileSet ts = dts.getTileSet(zoom); 1309 1310 int displayZoomLevel = zoom; 1311 1312 boolean noTilesAtZoom = false; 1313 if (autoZoom && autoLoad) { 1314 // Auto-detection of tilesource maxzoom (currently fully works only for Bing) 1315 TileSetInfo tsi = dts.getTileSetInfo(zoom); 1316 if (!tsi.hasVisibleTiles && (!tsi.hasLoadingTiles || tsi.hasOverzoomedTiles)) { 1317 noTilesAtZoom = true; 1318 } 1319 // Find highest zoom level with at least one visible tile 1320 for (int tmpZoom = zoom; tmpZoom > dts.minZoom; tmpZoom--) { 1321 if (dts.getTileSetInfo(tmpZoom).hasVisibleTiles) { 1322 displayZoomLevel = tmpZoom; 1323 break; 1324 } 1325 } 1326 // Do binary search between currentZoomLevel and displayZoomLevel 1327 while (zoom > displayZoomLevel && !tsi.hasVisibleTiles && tsi.hasOverzoomedTiles){ 1328 zoom = (zoom + displayZoomLevel)/2; 1329 tsi = dts.getTileSetInfo(zoom); 1330 } 1331 1332 setZoomLevel(zoom); 1333 1334 // If all tiles at displayZoomLevel is loaded, load all tiles at next zoom level 1335 // to make sure there're really no more zoom levels 1336 if (zoom == displayZoomLevel && !tsi.hasLoadingTiles && zoom < dts.maxZoom) { 1337 zoom++; 1338 tsi = dts.getTileSetInfo(zoom); 1339 } 1340 // When we have overzoomed tiles and all tiles at current zoomlevel is loaded, 1341 // load tiles at previovus zoomlevels until we have all tiles on screen is loaded. 1342 while (zoom > dts.minZoom && tsi.hasOverzoomedTiles && !tsi.hasLoadingTiles) { 1343 zoom--; 1344 tsi = dts.getTileSetInfo(zoom); 1345 } 1346 ts = dts.getTileSet(zoom); 1347 } else if (autoZoom) { 1348 setZoomLevel(zoom); 1349 } 1350 1351 // Too many tiles... refuse to download 1352 if (!ts.tooLarge()) { 1353 //Main.debug("size: " + ts.size() + " spanned: " + ts.tilesSpanned()); 1354 ts.loadAllTiles(false); 1355 } 1356 1357 if (displayZoomLevel != zoom) { 1358 ts = dts.getTileSet(displayZoomLevel); 1359 } 1360 1361 g.setColor(Color.DARK_GRAY); 1362 1363 List<Tile> missedTiles = this.paintTileImages(g, ts, displayZoomLevel, null); 1364 int[] otherZooms = { -1, 1, -2, 2, -3, -4, -5}; 1365 for (int zoomOffset : otherZooms) { 1366 if (!autoZoom) { 1367 break; 1368 } 1369 int newzoom = displayZoomLevel + zoomOffset; 1370 if (newzoom < MIN_ZOOM) { 1371 continue; 1372 } 1373 if (missedTiles.size() <= 0) { 1374 break; 1375 } 1376 List<Tile> newlyMissedTiles = new LinkedList<>(); 1377 for (Tile missed : missedTiles) { 1378 if ("no-tile".equals(missed.getValue("tile-info")) && zoomOffset > 0) { 1379 // Don't try to paint from higher zoom levels when tile is overzoomed 1380 newlyMissedTiles.add(missed); 1381 continue; 1382 } 1383 Tile t2 = tempCornerTile(missed); 1384 LatLon topLeft2 = tileLatLon(missed); 1385 LatLon botRight2 = tileLatLon(t2); 1386 TileSet ts2 = new TileSet(topLeft2, botRight2, newzoom); 1387 // Instantiating large TileSets is expensive. If there 1388 // are no loaded tiles, don't bother even trying. 1389 if (ts2.allLoadedTiles().isEmpty()) { 1390 newlyMissedTiles.add(missed); 1391 continue; 1392 } 1393 if (ts2.tooLarge()) { 1394 continue; 1395 } 1396 newlyMissedTiles.addAll(this.paintTileImages(g, ts2, newzoom, missed)); 1397 } 1398 missedTiles = newlyMissedTiles; 1399 } 1400 if (Main.isDebugEnabled() && missedTiles.size() > 0) { 1401 Main.debug("still missed "+missedTiles.size()+" in the end"); 1402 } 1403 g.setColor(Color.red); 1404 g.setFont(InfoFont); 1405 1406 // The current zoom tileset should have all of its tiles 1407 // due to the loadAllTiles(), unless it to tooLarge() 1408 for (Tile t : ts.allExistingTiles()) { 1409 this.paintTileText(ts, t, g, mv, displayZoomLevel, t); 1410 } 1411 1412 attribution.paintAttribution(g, mv.getWidth(), mv.getHeight(), getShiftedCoord(topLeft), getShiftedCoord(botRight), displayZoomLevel, this); 1413 1414 //g.drawString("currentZoomLevel=" + currentZoomLevel, 120, 120); 1415 g.setColor(Color.lightGray); 1416 if (!autoZoom) { 1417 if (ts.insane()) { 1418 myDrawString(g, tr("zoom in to load any tiles"), 120, 120); 1419 } else if (ts.tooLarge()) { 1420 myDrawString(g, tr("zoom in to load more tiles"), 120, 120); 1421 } else if (ts.tooSmall()) { 1422 myDrawString(g, tr("increase zoom level to see more detail"), 120, 120); 1423 } 1424 } 1425 if (noTilesAtZoom) { 1426 myDrawString(g, tr("No tiles at this zoom level"), 120, 120); 1427 } 1428 if (Main.isDebugEnabled()) { 1429 myDrawString(g, tr("Current zoom: {0}", currentZoomLevel), 50, 140); 1430 myDrawString(g, tr("Display zoom: {0}", displayZoomLevel), 50, 155); 1431 myDrawString(g, tr("Pixel scale: {0}", getScaleFactor(currentZoomLevel)), 50, 170); 1432 myDrawString(g, tr("Best zoom: {0}", Math.log(getScaleFactor(1))/Math.log(2)/2+1), 50, 185); 1433 } 1434 } 1435 1436 /** 1437 * This isn't very efficient, but it is only used when the 1438 * user right-clicks on the map. 1439 */ 1440 Tile getTileForPixelpos(int px, int py) { 1441 if (Main.isDebugEnabled()) { 1442 Main.debug("getTileForPixelpos("+px+", "+py+")"); 1443 } 1444 MapView mv = Main.map.mapView; 1445 Point clicked = new Point(px, py); 1446 EastNorth topLeft = mv.getEastNorth(0, 0); 1447 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1448 int z = currentZoomLevel; 1449 TileSet ts = new TileSet(topLeft, botRight, z); 1450 1451 if (!ts.tooLarge()) { 1452 ts.loadAllTiles(false); // make sure there are tile objects for all tiles 1453 } 1454 Tile clickedTile = null; 1455 for (Tile t1 : ts.allExistingTiles()) { 1456 Tile t2 = tempCornerTile(t1); 1457 Rectangle r = new Rectangle(pixelPos(t1)); 1458 r.add(pixelPos(t2)); 1459 if (Main.isDebugEnabled()) { 1460 Main.debug("r: " + r + " clicked: " + clicked); 1461 } 1462 if (!r.contains(clicked)) { 1463 continue; 1464 } 1465 clickedTile = t1; 1466 break; 1467 } 1468 if (clickedTile == null) 1469 return null; 1470 /*Main.debug("Clicked on tile: " + clickedTile.getXtile() + " " + clickedTile.getYtile() + 1471 " currentZoomLevel: " + currentZoomLevel);*/ 1472 return clickedTile; 1473 } 1474 1475 @Override 1476 public Action[] getMenuEntries() { 1477 return new Action[] { 1478 LayerListDialog.getInstance().createShowHideLayerAction(), 1479 LayerListDialog.getInstance().createDeleteLayerAction(), 1480 SeparatorLayerAction.INSTANCE, 1481 // color, 1482 new OffsetAction(), 1483 new RenameLayerAction(this.getAssociatedFile(), this), 1484 SeparatorLayerAction.INSTANCE, 1485 new LayerListPopup.InfoAction(this) }; 1486 } 1487 1488 @Override 1489 public String getToolTipText() { 1490 return tr("TMS layer ({0}), downloading in zoom {1}", getName(), currentZoomLevel); 1491 } 1492 1493 @Override 1494 public void visitBoundingBox(BoundingXYVisitor v) { 1495 } 1496 1497 @Override 1498 public boolean isChanged() { 1499 return needRedraw; 1500 } 1501 1502 @Override 1503 public final boolean isProjectionSupported(Projection proj) { 1504 return "EPSG:3857".equals(proj.toCode()) || "EPSG:4326".equals(proj.toCode()); 1505 } 1506 1507 @Override 1508 public final String nameSupportedProjections() { 1509 return tr("EPSG:4326 and Mercator projection are supported"); 1510 } 1511}