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.TMSFileCacheTileLoader; 049import org.openstreetmap.gui.jmapviewer.Tile; 050import org.openstreetmap.gui.jmapviewer.interfaces.CachedTileLoader; 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.CheckParameterUtil; 083import org.openstreetmap.josm.tools.Utils; 084import org.xml.sax.InputSource; 085import org.xml.sax.SAXException; 086 087/** 088 * Class that displays a slippy map layer. 089 * 090 * @author Frederik Ramm 091 * @author LuVar <lubomir.varga@freemap.sk> 092 * @author Dave Hansen <dave@sr71.net> 093 * @author Upliner <upliner@gmail.com> 094 * 095 */ 096public class TMSLayer extends ImageryLayer implements ImageObserver, TileLoaderListener { 097 public static final String PREFERENCE_PREFIX = "imagery.tms"; 098 099 public static final int MAX_ZOOM = 30; 100 public static final int MIN_ZOOM = 2; 101 public static final int DEFAULT_MAX_ZOOM = 20; 102 public static final int DEFAULT_MIN_ZOOM = 2; 103 104 public static final BooleanProperty PROP_DEFAULT_AUTOZOOM = new BooleanProperty(PREFERENCE_PREFIX + ".default_autozoom", true); 105 public static final BooleanProperty PROP_DEFAULT_AUTOLOAD = new BooleanProperty(PREFERENCE_PREFIX + ".default_autoload", true); 106 public static final BooleanProperty PROP_DEFAULT_SHOWERRORS = new BooleanProperty(PREFERENCE_PREFIX + ".default_showerrors", true); 107 public static final IntegerProperty PROP_MIN_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".min_zoom_lvl", DEFAULT_MIN_ZOOM); 108 public static final IntegerProperty PROP_MAX_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".max_zoom_lvl", DEFAULT_MAX_ZOOM); 109 //public static final BooleanProperty PROP_DRAW_DEBUG = new BooleanProperty(PREFERENCE_PREFIX + ".draw_debug", false); 110 public static final BooleanProperty PROP_ADD_TO_SLIPPYMAP_CHOOSER = new BooleanProperty(PREFERENCE_PREFIX + ".add_to_slippymap_chooser", true); 111 public static final IntegerProperty PROP_TMS_JOBS = new IntegerProperty("tmsloader.maxjobs", 25); 112 public static final StringProperty PROP_TILECACHE_DIR; 113 114 static { 115 String defPath = null; 116 try { 117 defPath = new File(Main.pref.getCacheDirectory(), "tms").getAbsolutePath(); 118 } catch (SecurityException e) { 119 Main.warn(e); 120 } 121 PROP_TILECACHE_DIR = new StringProperty(PREFERENCE_PREFIX + ".tilecache", defPath); 122 } 123 124 public interface TileLoaderFactory { 125 OsmTileLoader makeTileLoader(TileLoaderListener listener); 126 } 127 128 protected MemoryTileCache tileCache; 129 protected TileSource tileSource; 130 protected OsmTileLoader tileLoader; 131 132 public static TileLoaderFactory loaderFactory = new TileLoaderFactory() { 133 @Override 134 public OsmTileLoader makeTileLoader(TileLoaderListener listener) { 135 String cachePath = TMSLayer.PROP_TILECACHE_DIR.get(); 136 if (cachePath != null && !cachePath.isEmpty()) { 137 try { 138 OsmFileCacheTileLoader loader; 139 loader = new TMSFileCacheTileLoader(listener, new File(cachePath)); 140 loader.headers.put("User-Agent", Version.getInstance().getFullAgentString()); 141 return loader; 142 } catch (IOException e) { 143 Main.warn(e); 144 } 145 } 146 return null; 147 } 148 }; 149 150 /** 151 * Plugins that wish to set custom tile loader should call this method 152 */ 153 public static void setCustomTileLoaderFactory(TileLoaderFactory loaderFactory) { 154 TMSLayer.loaderFactory = loaderFactory; 155 } 156 157 private Set<Tile> tileRequestsOutstanding = new HashSet<>(); 158 159 @Override 160 public synchronized void tileLoadingFinished(Tile tile, boolean success) { 161 if (tile.hasError()) { 162 success = false; 163 tile.setImage(null); 164 } 165 if (sharpenLevel != 0 && success) { 166 tile.setImage(sharpenImage(tile.getImage())); 167 } 168 tile.setLoaded(true); 169 needRedraw = true; 170 if (Main.map != null) { 171 Main.map.repaint(100); 172 } 173 tileRequestsOutstanding.remove(tile); 174 if (Main.isDebugEnabled()) { 175 Main.debug("tileLoadingFinished() tile: " + tile + " success: " + success); 176 } 177 } 178 179 private static class TmsTileClearController implements TileClearController, CancelListener { 180 181 private final ProgressMonitor monitor; 182 private boolean cancel = false; 183 184 public TmsTileClearController(ProgressMonitor monitor) { 185 this.monitor = monitor; 186 this.monitor.addCancelListener(this); 187 } 188 189 @Override 190 public void initClearDir(File dir) { 191 } 192 193 @Override 194 public void initClearFiles(File[] files) { 195 monitor.setTicksCount(files.length); 196 monitor.setTicks(0); 197 } 198 199 @Override 200 public boolean cancel() { 201 return cancel; 202 } 203 204 @Override 205 public void fileDeleted(File file) { 206 monitor.setTicks(monitor.getTicks()+1); 207 } 208 209 @Override 210 public void clearFinished() { 211 monitor.finishTask(); 212 } 213 214 @Override 215 public void operationCanceled() { 216 cancel = true; 217 } 218 } 219 220 /** 221 * Clears the tile cache. 222 * 223 * If the current tileLoader is an instance of OsmTileLoader, a new 224 * TmsTileClearController is created and passed to the according clearCache 225 * method. 226 * 227 * @param monitor 228 * @see MemoryTileCache#clear() 229 * @see OsmFileCacheTileLoader#clearCache(org.openstreetmap.gui.jmapviewer.interfaces.TileSource, org.openstreetmap.gui.jmapviewer.interfaces.TileClearController) 230 */ 231 void clearTileCache(ProgressMonitor monitor) { 232 tileCache.clear(); 233 if (tileLoader instanceof CachedTileLoader) { 234 ((CachedTileLoader)tileLoader).clearCache(tileSource, new TmsTileClearController(monitor)); 235 } 236 } 237 238 /** 239 * Zoomlevel at which tiles is currently downloaded. 240 * Initial zoom lvl is set to bestZoom 241 */ 242 public int currentZoomLevel; 243 244 private Tile clickedTile; 245 private boolean needRedraw; 246 private JPopupMenu tileOptionMenu; 247 JCheckBoxMenuItem autoZoomPopup; 248 JCheckBoxMenuItem autoLoadPopup; 249 JCheckBoxMenuItem showErrorsPopup; 250 Tile showMetadataTile; 251 private AttributionSupport attribution = new AttributionSupport(); 252 private static final Font InfoFont = new Font("sansserif", Font.BOLD, 13); 253 254 protected boolean autoZoom; 255 protected boolean autoLoad; 256 protected boolean showErrors; 257 258 /** 259 * Initiates a repaint of Main.map 260 * 261 * @see Main#map 262 * @see MapFrame#repaint() 263 */ 264 void redraw() { 265 needRedraw = true; 266 Main.map.repaint(); 267 } 268 269 static int checkMaxZoomLvl(int maxZoomLvl, TileSource ts) { 270 if(maxZoomLvl > MAX_ZOOM) { 271 maxZoomLvl = MAX_ZOOM; 272 } 273 if(maxZoomLvl < PROP_MIN_ZOOM_LVL.get()) { 274 maxZoomLvl = PROP_MIN_ZOOM_LVL.get(); 275 } 276 if (ts != null && ts.getMaxZoom() != 0 && ts.getMaxZoom() < maxZoomLvl) { 277 maxZoomLvl = ts.getMaxZoom(); 278 } 279 return maxZoomLvl; 280 } 281 282 public static int getMaxZoomLvl(TileSource ts) { 283 return checkMaxZoomLvl(PROP_MAX_ZOOM_LVL.get(), ts); 284 } 285 286 public static void setMaxZoomLvl(int maxZoomLvl) { 287 maxZoomLvl = checkMaxZoomLvl(maxZoomLvl, null); 288 PROP_MAX_ZOOM_LVL.put(maxZoomLvl); 289 } 290 291 static int checkMinZoomLvl(int minZoomLvl, TileSource ts) { 292 if(minZoomLvl < MIN_ZOOM) { 293 /*Main.debug("Min. zoom level should not be less than "+MIN_ZOOM+"! Setting to that.");*/ 294 minZoomLvl = MIN_ZOOM; 295 } 296 if(minZoomLvl > PROP_MAX_ZOOM_LVL.get()) { 297 /*Main.debug("Min. zoom level should not be more than Max. zoom level! Setting to Max.");*/ 298 minZoomLvl = getMaxZoomLvl(ts); 299 } 300 if (ts != null && ts.getMinZoom() > minZoomLvl) { 301 /*Main.debug("Increasing min. zoom level to match tile source");*/ 302 minZoomLvl = ts.getMinZoom(); 303 } 304 return minZoomLvl; 305 } 306 307 public static int getMinZoomLvl(TileSource ts) { 308 return checkMinZoomLvl(PROP_MIN_ZOOM_LVL.get(), ts); 309 } 310 311 public static void setMinZoomLvl(int minZoomLvl) { 312 minZoomLvl = checkMinZoomLvl(minZoomLvl, null); 313 PROP_MIN_ZOOM_LVL.put(minZoomLvl); 314 } 315 316 private static class CachedAttributionBingAerialTileSource extends BingAerialTileSource { 317 318 public CachedAttributionBingAerialTileSource(String id) { 319 super(id); 320 } 321 322 class BingAttributionData extends CacheCustomContent<IOException> { 323 324 public BingAttributionData() { 325 super("bing.attribution.xml", CacheCustomContent.INTERVAL_HOURLY); 326 } 327 328 @Override 329 protected byte[] updateData() throws IOException { 330 URL u = getAttributionUrl(); 331 try (Scanner scanner = new Scanner(UTFInputStreamReader.create(Utils.openURL(u)))) { 332 String r = scanner.useDelimiter("\\A").next(); 333 Main.info("Successfully loaded Bing attribution data."); 334 return r.getBytes("UTF-8"); 335 } 336 } 337 } 338 339 @Override 340 protected Callable<List<Attribution>> getAttributionLoaderCallable() { 341 return new Callable<List<Attribution>>() { 342 343 @Override 344 public List<Attribution> call() throws Exception { 345 BingAttributionData attributionLoader = new BingAttributionData(); 346 int waitTimeSec = 1; 347 while (true) { 348 try { 349 String xml = attributionLoader.updateIfRequiredString(); 350 return parseAttributionText(new InputSource(new StringReader((xml)))); 351 } catch (IOException ex) { 352 Main.warn("Could not connect to Bing API. Will retry in " + waitTimeSec + " seconds."); 353 Thread.sleep(waitTimeSec * 1000L); 354 waitTimeSec *= 2; 355 } 356 } 357 } 358 }; 359 } 360 } 361 362 /** 363 * Creates and returns a new TileSource instance depending on the {@link ImageryType} 364 * of the passed ImageryInfo object. 365 * 366 * If no appropriate TileSource is found, null is returned. 367 * Currently supported ImageryType are {@link ImageryType#TMS}, 368 * {@link ImageryType#BING}, {@link ImageryType#SCANEX}. 369 * 370 * @param info 371 * @return a new TileSource instance or null if no TileSource for the ImageryInfo/ImageryType could be found. 372 * @throws IllegalArgumentException 373 */ 374 public static TileSource getTileSource(ImageryInfo info) throws IllegalArgumentException { 375 if (info.getImageryType() == ImageryType.TMS) { 376 checkUrl(info.getUrl()); 377 TMSTileSource t = new TemplatedTMSTileSource(info.getName(), info.getUrl(), info.getId(), info.getMinZoom(), info.getMaxZoom(), 378 info.getCookies()); 379 info.setAttribution(t); 380 return t; 381 } else if (info.getImageryType() == ImageryType.BING) 382 return new CachedAttributionBingAerialTileSource(info.getId()); 383 else if (info.getImageryType() == ImageryType.SCANEX) { 384 return new ScanexTileSource(info.getName(), info.getUrl(), info.getId(), info.getMaxZoom()); 385 } 386 return null; 387 } 388 389 /** 390 * Checks validity of given URL. 391 * @param url URL to check 392 * @throws IllegalArgumentException if url is null or invalid 393 */ 394 public static void checkUrl(String url) { 395 CheckParameterUtil.ensureParameterNotNull(url, "url"); 396 Matcher m = Pattern.compile("\\{[^}]*\\}").matcher(url); 397 while (m.find()) { 398 boolean isSupportedPattern = false; 399 for (String pattern : TemplatedTMSTileSource.ALL_PATTERNS) { 400 if (m.group().matches(pattern)) { 401 isSupportedPattern = true; 402 break; 403 } 404 } 405 if (!isSupportedPattern) { 406 throw new IllegalArgumentException( 407 tr("{0} is not a valid TMS argument. Please check this server URL:\n{1}", m.group(), url)); 408 } 409 } 410 } 411 412 private void initTileSource(TileSource tileSource) { 413 this.tileSource = tileSource; 414 attribution.initialize(tileSource); 415 416 currentZoomLevel = getBestZoom(); 417 418 tileCache = new MemoryTileCache(); 419 420 tileLoader = loaderFactory.makeTileLoader(this); 421 if (tileLoader == null) { 422 tileLoader = new OsmTileLoader(this); 423 } 424 tileLoader.timeoutConnect = Main.pref.getInteger("socket.timeout.connect",15) * 1000; 425 tileLoader.timeoutRead = Main.pref.getInteger("socket.timeout.read", 30) * 1000; 426 if (tileSource instanceof TemplatedTMSTileSource) { 427 for(Entry<String, String> e : ((TemplatedTMSTileSource)tileSource).getHeaders().entrySet()) { 428 tileLoader.headers.put(e.getKey(), e.getValue()); 429 } 430 } 431 tileLoader.headers.put("User-Agent", Version.getInstance().getFullAgentString()); 432 } 433 434 @Override 435 public void setOffset(double dx, double dy) { 436 super.setOffset(dx, dy); 437 needRedraw = true; 438 } 439 440 /** 441 * Returns average number of screen pixels per tile pixel for current mapview 442 */ 443 private double getScaleFactor(int zoom) { 444 if (!Main.isDisplayingMapView()) return 1; 445 MapView mv = Main.map.mapView; 446 LatLon topLeft = mv.getLatLon(0, 0); 447 LatLon botRight = mv.getLatLon(mv.getWidth(), mv.getHeight()); 448 double x1 = tileSource.lonToTileX(topLeft.lon(), zoom); 449 double y1 = tileSource.latToTileY(topLeft.lat(), zoom); 450 double x2 = tileSource.lonToTileX(botRight.lon(), zoom); 451 double y2 = tileSource.latToTileY(botRight.lat(), zoom); 452 453 int screenPixels = mv.getWidth()*mv.getHeight(); 454 double tilePixels = Math.abs((y2-y1)*(x2-x1)*tileSource.getTileSize()*tileSource.getTileSize()); 455 if (screenPixels == 0 || tilePixels == 0) return 1; 456 return screenPixels/tilePixels; 457 } 458 459 private final int getBestZoom() { 460 double factor = getScaleFactor(1); 461 double result = Math.log(factor)/Math.log(2)/2+1; 462 // In general, smaller zoom levels are more readable. We prefer big, 463 // block, pixelated (but readable) map text to small, smeared, 464 // unreadable underzoomed text. So, use .floor() instead of rounding 465 // to skew things a bit toward the lower zooms. 466 int intResult = (int)Math.floor(result); 467 if (intResult > getMaxZoomLvl()) 468 return getMaxZoomLvl(); 469 if (intResult < getMinZoomLvl()) 470 return getMinZoomLvl(); 471 return intResult; 472 } 473 474 /** 475 * Function to set the maximum number of workers for tile loading to the value defined 476 * in preferences. 477 */ 478 public static void setMaxWorkers() { 479 JobDispatcher.setMaxWorkers(PROP_TMS_JOBS.get()); 480 JobDispatcher.getInstance().setLIFO(true); 481 } 482 483 @SuppressWarnings("serial") 484 public TMSLayer(ImageryInfo info) { 485 super(info); 486 487 setMaxWorkers(); 488 if(!isProjectionSupported(Main.getProjection())) { 489 JOptionPane.showMessageDialog(Main.parent, 490 tr("TMS layers do not support the projection {0}.\n{1}\n" 491 + "Change the projection or remove the layer.", 492 Main.getProjection().toCode(), nameSupportedProjections()), 493 tr("Warning"), 494 JOptionPane.WARNING_MESSAGE); 495 } 496 497 setBackgroundLayer(true); 498 this.setVisible(true); 499 500 TileSource source = getTileSource(info); 501 if (source == null) 502 throw new IllegalStateException("Cannot create TMSLayer with non-TMS ImageryInfo"); 503 initTileSource(source); 504 } 505 506 /** 507 * Adds a context menu to the mapView. 508 */ 509 @Override 510 public void hookUpMapView() { 511 tileOptionMenu = new JPopupMenu(); 512 513 autoZoom = PROP_DEFAULT_AUTOZOOM.get(); 514 autoZoomPopup = new JCheckBoxMenuItem(); 515 autoZoomPopup.setAction(new AbstractAction(tr("Auto Zoom")) { 516 @Override 517 public void actionPerformed(ActionEvent ae) { 518 autoZoom = !autoZoom; 519 } 520 }); 521 autoZoomPopup.setSelected(autoZoom); 522 tileOptionMenu.add(autoZoomPopup); 523 524 autoLoad = PROP_DEFAULT_AUTOLOAD.get(); 525 autoLoadPopup = new JCheckBoxMenuItem(); 526 autoLoadPopup.setAction(new AbstractAction(tr("Auto load tiles")) { 527 @Override 528 public void actionPerformed(ActionEvent ae) { 529 autoLoad= !autoLoad; 530 } 531 }); 532 autoLoadPopup.setSelected(autoLoad); 533 tileOptionMenu.add(autoLoadPopup); 534 535 showErrors = PROP_DEFAULT_SHOWERRORS.get(); 536 showErrorsPopup = new JCheckBoxMenuItem(); 537 showErrorsPopup.setAction(new AbstractAction(tr("Show Errors")) { 538 @Override 539 public void actionPerformed(ActionEvent ae) { 540 showErrors = !showErrors; 541 } 542 }); 543 showErrorsPopup.setSelected(showErrors); 544 tileOptionMenu.add(showErrorsPopup); 545 546 tileOptionMenu.add(new JMenuItem(new AbstractAction(tr("Load Tile")) { 547 @Override 548 public void actionPerformed(ActionEvent ae) { 549 if (clickedTile != null) { 550 loadTile(clickedTile, true); 551 redraw(); 552 } 553 } 554 })); 555 556 tileOptionMenu.add(new JMenuItem(new AbstractAction( 557 tr("Show Tile Info")) { 558 @Override 559 public void actionPerformed(ActionEvent ae) { 560 if (clickedTile != null) { 561 showMetadataTile = clickedTile; 562 redraw(); 563 } 564 } 565 })); 566 567 /* FIXME 568 tileOptionMenu.add(new JMenuItem(new AbstractAction( 569 tr("Request Update")) { 570 public void actionPerformed(ActionEvent ae) { 571 if (clickedTile != null) { 572 clickedTile.requestUpdate(); 573 redraw(); 574 } 575 } 576 }));*/ 577 578 tileOptionMenu.add(new JMenuItem(new AbstractAction( 579 tr("Load All Tiles")) { 580 @Override 581 public void actionPerformed(ActionEvent ae) { 582 loadAllTiles(true); 583 redraw(); 584 } 585 })); 586 587 tileOptionMenu.add(new JMenuItem(new AbstractAction( 588 tr("Load All Error Tiles")) { 589 @Override 590 public void actionPerformed(ActionEvent ae) { 591 loadAllErrorTiles(true); 592 redraw(); 593 } 594 })); 595 596 // increase and decrease commands 597 tileOptionMenu.add(new JMenuItem(new AbstractAction( 598 tr("Increase zoom")) { 599 @Override 600 public void actionPerformed(ActionEvent ae) { 601 increaseZoomLevel(); 602 redraw(); 603 } 604 })); 605 606 tileOptionMenu.add(new JMenuItem(new AbstractAction( 607 tr("Decrease zoom")) { 608 @Override 609 public void actionPerformed(ActionEvent ae) { 610 decreaseZoomLevel(); 611 redraw(); 612 } 613 })); 614 615 tileOptionMenu.add(new JMenuItem(new AbstractAction( 616 tr("Snap to tile size")) { 617 @Override 618 public void actionPerformed(ActionEvent ae) { 619 double new_factor = Math.sqrt(getScaleFactor(currentZoomLevel)); 620 Main.map.mapView.zoomToFactor(new_factor); 621 redraw(); 622 } 623 })); 624 625 tileOptionMenu.add(new JMenuItem(new AbstractAction( 626 tr("Flush Tile Cache")) { 627 @Override 628 public void actionPerformed(ActionEvent ae) { 629 new PleaseWaitRunnable(tr("Flush Tile Cache")) { 630 @Override 631 protected void realRun() throws SAXException, IOException, 632 OsmTransferException { 633 clearTileCache(getProgressMonitor()); 634 } 635 636 @Override 637 protected void finish() { 638 } 639 640 @Override 641 protected void cancel() { 642 } 643 }.run(); 644 } 645 })); 646 647 final MouseAdapter adapter = new MouseAdapter() { 648 @Override 649 public void mouseClicked(MouseEvent e) { 650 if (!isVisible()) return; 651 if (e.getButton() == MouseEvent.BUTTON3) { 652 clickedTile = getTileForPixelpos(e.getX(), e.getY()); 653 tileOptionMenu.show(e.getComponent(), e.getX(), e.getY()); 654 } else if (e.getButton() == MouseEvent.BUTTON1) { 655 attribution.handleAttribution(e.getPoint(), true); 656 } 657 } 658 }; 659 Main.map.mapView.addMouseListener(adapter); 660 661 MapView.addLayerChangeListener(new LayerChangeListener() { 662 @Override 663 public void activeLayerChange(Layer oldLayer, Layer newLayer) { 664 // 665 } 666 667 @Override 668 public void layerAdded(Layer newLayer) { 669 // 670 } 671 672 @Override 673 public void layerRemoved(Layer oldLayer) { 674 if (oldLayer == TMSLayer.this) { 675 Main.map.mapView.removeMouseListener(adapter); 676 MapView.removeLayerChangeListener(this); 677 } 678 } 679 }); 680 } 681 682 void zoomChanged() { 683 if (Main.isDebugEnabled()) { 684 Main.debug("zoomChanged(): " + currentZoomLevel); 685 } 686 needRedraw = true; 687 JobDispatcher.getInstance().cancelOutstandingJobs(); 688 tileRequestsOutstanding.clear(); 689 } 690 691 int getMaxZoomLvl() { 692 if (info.getMaxZoom() != 0) 693 return checkMaxZoomLvl(info.getMaxZoom(), tileSource); 694 else 695 return getMaxZoomLvl(tileSource); 696 } 697 698 int getMinZoomLvl() { 699 return getMinZoomLvl(tileSource); 700 } 701 702 /** 703 * Zoom in, go closer to map. 704 * 705 * @return true, if zoom increasing was successfull, false othervise 706 */ 707 public boolean zoomIncreaseAllowed() { 708 boolean zia = currentZoomLevel < this.getMaxZoomLvl(); 709 if (Main.isDebugEnabled()) { 710 Main.debug("zoomIncreaseAllowed(): " + zia + " " + currentZoomLevel + " vs. " + this.getMaxZoomLvl() ); 711 } 712 return zia; 713 } 714 715 public boolean increaseZoomLevel() { 716 if (zoomIncreaseAllowed()) { 717 currentZoomLevel++; 718 if (Main.isDebugEnabled()) { 719 Main.debug("increasing zoom level to: " + currentZoomLevel); 720 } 721 zoomChanged(); 722 } else { 723 Main.warn("Current zoom level ("+currentZoomLevel+") could not be increased. "+ 724 "Max.zZoom Level "+this.getMaxZoomLvl()+" reached."); 725 return false; 726 } 727 return true; 728 } 729 730 public boolean setZoomLevel(int zoom) { 731 if (zoom == currentZoomLevel) return true; 732 if (zoom > this.getMaxZoomLvl()) return false; 733 if (zoom < this.getMinZoomLvl()) return false; 734 currentZoomLevel = zoom; 735 zoomChanged(); 736 return true; 737 } 738 739 /** 740 * Check if zooming out is allowed 741 * 742 * @return true, if zooming out is allowed (currentZoomLevel > minZoomLevel) 743 */ 744 public boolean zoomDecreaseAllowed() { 745 return currentZoomLevel > this.getMinZoomLvl(); 746 } 747 748 /** 749 * Zoom out from map. 750 * 751 * @return true, if zoom increasing was successfull, false othervise 752 */ 753 public boolean decreaseZoomLevel() { 754 //int minZoom = this.getMinZoomLvl(); 755 if (zoomDecreaseAllowed()) { 756 if (Main.isDebugEnabled()) { 757 Main.debug("decreasing zoom level to: " + currentZoomLevel); 758 } 759 currentZoomLevel--; 760 zoomChanged(); 761 } else { 762 /*Main.debug("Current zoom level could not be decreased. Min. zoom level "+minZoom+" reached.");*/ 763 return false; 764 } 765 return true; 766 } 767 768 /* 769 * We use these for quick, hackish calculations. They 770 * are temporary only and intentionally not inserted 771 * into the tileCache. 772 */ 773 synchronized Tile tempCornerTile(Tile t) { 774 int x = t.getXtile() + 1; 775 int y = t.getYtile() + 1; 776 int zoom = t.getZoom(); 777 Tile tile = getTile(x, y, zoom); 778 if (tile != null) 779 return tile; 780 return new Tile(tileSource, x, y, zoom); 781 } 782 783 synchronized Tile getOrCreateTile(int x, int y, int zoom) { 784 Tile tile = getTile(x, y, zoom); 785 if (tile == null) { 786 tile = new Tile(tileSource, x, y, zoom); 787 tileCache.addTile(tile); 788 tile.loadPlaceholderFromCache(tileCache); 789 } 790 return tile; 791 } 792 793 /* 794 * This can and will return null for tiles that are not 795 * already in the cache. 796 */ 797 synchronized Tile getTile(int x, int y, int zoom) { 798 int max = (1 << zoom); 799 if (x < 0 || x >= max || y < 0 || y >= max) 800 return null; 801 return tileCache.getTile(tileSource, x, y, zoom); 802 } 803 804 synchronized boolean loadTile(Tile tile, boolean force) { 805 if (tile == null) 806 return false; 807 if (!force && (tile.hasError() || tile.isLoaded())) 808 return false; 809 if (tile.isLoading()) 810 return false; 811 if (tileRequestsOutstanding.contains(tile)) 812 return false; 813 tileRequestsOutstanding.add(tile); 814 JobDispatcher.getInstance().addJob(tileLoader.createTileLoaderJob(tile)); 815 return true; 816 } 817 818 void loadAllTiles(boolean force) { 819 MapView mv = Main.map.mapView; 820 EastNorth topLeft = mv.getEastNorth(0, 0); 821 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 822 823 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 824 825 // if there is more than 18 tiles on screen in any direction, do not 826 // load all tiles! 827 if (ts.tooLarge()) { 828 Main.warn("Not downloading all tiles because there is more than 18 tiles on an axis!"); 829 return; 830 } 831 ts.loadAllTiles(force); 832 } 833 834 void loadAllErrorTiles(boolean force) { 835 MapView mv = Main.map.mapView; 836 EastNorth topLeft = mv.getEastNorth(0, 0); 837 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 838 839 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 840 841 ts.loadAllErrorTiles(force); 842 } 843 844 /* 845 * Attempt to approximate how much the image is being scaled. For instance, 846 * a 100x100 image being scaled to 50x50 would return 0.25. 847 */ 848 Image lastScaledImage = null; 849 @Override 850 public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) { 851 boolean done = ((infoflags & (ERROR | FRAMEBITS | ALLBITS)) != 0); 852 needRedraw = true; 853 if (Main.isDebugEnabled()) { 854 Main.debug("imageUpdate() done: " + done + " calling repaint"); 855 } 856 Main.map.repaint(done ? 0 : 100); 857 return !done; 858 } 859 860 boolean imageLoaded(Image i) { 861 if (i == null) 862 return false; 863 int status = Toolkit.getDefaultToolkit().checkImage(i, -1, -1, this); 864 if ((status & ALLBITS) != 0) 865 return true; 866 return false; 867 } 868 869 /** 870 * Returns the image for the given tile if both tile and image are loaded. 871 * Otherwise returns null. 872 * 873 * @param tile the Tile for which the image should be returned 874 * @return the image of the tile or null. 875 */ 876 Image getLoadedTileImage(Tile tile) { 877 if (!tile.isLoaded()) 878 return null; 879 Image img = tile.getImage(); 880 if (!imageLoaded(img)) 881 return null; 882 return img; 883 } 884 885 LatLon tileLatLon(Tile t) { 886 int zoom = t.getZoom(); 887 return new LatLon(tileSource.tileYToLat(t.getYtile(), zoom), 888 tileSource.tileXToLon(t.getXtile(), zoom)); 889 } 890 891 Rectangle tileToRect(Tile t1) { 892 /* 893 * We need to get a box in which to draw, so advance by one tile in 894 * each direction to find the other corner of the box. 895 * Note: this somewhat pollutes the tile cache 896 */ 897 Tile t2 = tempCornerTile(t1); 898 Rectangle rect = new Rectangle(pixelPos(t1)); 899 rect.add(pixelPos(t2)); 900 return rect; 901 } 902 903 // 'source' is the pixel coordinates for the area that 904 // the img is capable of filling in. However, we probably 905 // only want a portion of it. 906 // 907 // 'border' is the screen cordinates that need to be drawn. 908 // We must not draw outside of it. 909 void drawImageInside(Graphics g, Image sourceImg, Rectangle source, Rectangle border) { 910 Rectangle target = source; 911 912 // If a border is specified, only draw the intersection 913 // if what we have combined with what we are supposed 914 // to draw. 915 if (border != null) { 916 target = source.intersection(border); 917 if (Main.isDebugEnabled()) { 918 Main.debug("source: " + source + "\nborder: " + border + "\nintersection: " + target); 919 } 920 } 921 922 // All of the rectangles are in screen coordinates. We need 923 // to how these correlate to the sourceImg pixels. We could 924 // avoid doing this by scaling the image up to the 'source' size, 925 // but this should be cheaper. 926 // 927 // In some projections, x any y are scaled differently enough to 928 // cause a pixel or two of fudge. Calculate them separately. 929 double imageYScaling = sourceImg.getHeight(this) / source.getHeight(); 930 double imageXScaling = sourceImg.getWidth(this) / source.getWidth(); 931 932 // How many pixels into the 'source' rectangle are we drawing? 933 int screen_x_offset = target.x - source.x; 934 int screen_y_offset = target.y - source.y; 935 // And how many pixels into the image itself does that 936 // correlate to? 937 int img_x_offset = (int)(screen_x_offset * imageXScaling); 938 int img_y_offset = (int)(screen_y_offset * imageYScaling); 939 // Now calculate the other corner of the image that we need 940 // by scaling the 'target' rectangle's dimensions. 941 int img_x_end = img_x_offset + (int)(target.getWidth() * imageXScaling); 942 int img_y_end = img_y_offset + (int)(target.getHeight() * imageYScaling); 943 944 if (Main.isDebugEnabled()) { 945 Main.debug("drawing image into target rect: " + target); 946 } 947 g.drawImage(sourceImg, 948 target.x, target.y, 949 target.x + target.width, target.y + target.height, 950 img_x_offset, img_y_offset, 951 img_x_end, img_y_end, 952 this); 953 if (PROP_FADE_AMOUNT.get() != 0) { 954 // dimm by painting opaque rect... 955 g.setColor(getFadeColorWithAlpha()); 956 g.fillRect(target.x, target.y, 957 target.width, target.height); 958 } 959 } 960 961 // This function is called for several zoom levels, not just 962 // the current one. It should not trigger any tiles to be 963 // downloaded. It should also avoid polluting the tile cache 964 // with any tiles since these tiles are not mandatory. 965 // 966 // The "border" tile tells us the boundaries of where we may 967 // draw. It will not be from the zoom level that is being 968 // drawn currently. If drawing the displayZoomLevel, 969 // border is null and we draw the entire tile set. 970 List<Tile> paintTileImages(Graphics g, TileSet ts, int zoom, Tile border) { 971 if (zoom <= 0) return Collections.emptyList(); 972 Rectangle borderRect = null; 973 if (border != null) { 974 borderRect = tileToRect(border); 975 } 976 List<Tile> missedTiles = new LinkedList<>(); 977 // The callers of this code *require* that we return any tiles 978 // that we do not draw in missedTiles. ts.allExistingTiles() by 979 // default will only return already-existing tiles. However, we 980 // need to return *all* tiles to the callers, so force creation 981 // here. 982 //boolean forceTileCreation = true; 983 for (Tile tile : ts.allTilesCreate()) { 984 Image img = getLoadedTileImage(tile); 985 if (img == null || tile.hasError()) { 986 if (Main.isDebugEnabled()) { 987 Main.debug("missed tile: " + tile); 988 } 989 missedTiles.add(tile); 990 continue; 991 } 992 Rectangle sourceRect = tileToRect(tile); 993 if (borderRect != null && !sourceRect.intersects(borderRect)) { 994 continue; 995 } 996 drawImageInside(g, img, sourceRect, borderRect); 997 } 998 return missedTiles; 999 } 1000 1001 void myDrawString(Graphics g, String text, int x, int y) { 1002 Color oldColor = g.getColor(); 1003 g.setColor(Color.black); 1004 g.drawString(text,x+1,y+1); 1005 g.setColor(oldColor); 1006 g.drawString(text,x,y); 1007 } 1008 1009 void paintTileText(TileSet ts, Tile tile, Graphics g, MapView mv, int zoom, Tile t) { 1010 int fontHeight = g.getFontMetrics().getHeight(); 1011 if (tile == null) 1012 return; 1013 Point p = pixelPos(t); 1014 int texty = p.y + 2 + fontHeight; 1015 1016 /*if (PROP_DRAW_DEBUG.get()) { 1017 myDrawString(g, "x=" + t.getXtile() + " y=" + t.getYtile() + " z=" + zoom + "", p.x + 2, texty); 1018 texty += 1 + fontHeight; 1019 if ((t.getXtile() % 32 == 0) && (t.getYtile() % 32 == 0)) { 1020 myDrawString(g, "x=" + t.getXtile() / 32 + " y=" + t.getYtile() / 32 + " z=7", p.x + 2, texty); 1021 texty += 1 + fontHeight; 1022 } 1023 }*/ 1024 1025 if (tile == showMetadataTile) { 1026 String md = tile.toString(); 1027 if (md != null) { 1028 myDrawString(g, md, p.x + 2, texty); 1029 texty += 1 + fontHeight; 1030 } 1031 Map<String, String> meta = tile.getMetadata(); 1032 if (meta != null) { 1033 for (Map.Entry<String, String> entry : meta.entrySet()) { 1034 myDrawString(g, entry.getKey() + ": " + entry.getValue(), p.x + 2, texty); 1035 texty += 1 + fontHeight; 1036 } 1037 } 1038 } 1039 1040 /*String tileStatus = tile.getStatus(); 1041 if (!tile.isLoaded() && PROP_DRAW_DEBUG.get()) { 1042 myDrawString(g, tr("image " + tileStatus), p.x + 2, texty); 1043 texty += 1 + fontHeight; 1044 }*/ 1045 1046 if (tile.hasError() && showErrors) { 1047 myDrawString(g, tr("Error") + ": " + tr(tile.getErrorMessage()), p.x + 2, texty); 1048 texty += 1 + fontHeight; 1049 } 1050 1051 /*int xCursor = -1; 1052 int yCursor = -1; 1053 if (PROP_DRAW_DEBUG.get()) { 1054 if (yCursor < t.getYtile()) { 1055 if (t.getYtile() % 32 == 31) { 1056 g.fillRect(0, p.y - 1, mv.getWidth(), 3); 1057 } else { 1058 g.drawLine(0, p.y, mv.getWidth(), p.y); 1059 } 1060 yCursor = t.getYtile(); 1061 } 1062 // This draws the vertical lines for the entire 1063 // column. Only draw them for the top tile in 1064 // the column. 1065 if (xCursor < t.getXtile()) { 1066 if (t.getXtile() % 32 == 0) { 1067 // level 7 tile boundary 1068 g.fillRect(p.x - 1, 0, 3, mv.getHeight()); 1069 } else { 1070 g.drawLine(p.x, 0, p.x, mv.getHeight()); 1071 } 1072 xCursor = t.getXtile(); 1073 } 1074 }*/ 1075 } 1076 1077 private Point pixelPos(LatLon ll) { 1078 return Main.map.mapView.getPoint(Main.getProjection().latlon2eastNorth(ll).add(getDx(), getDy())); 1079 } 1080 1081 private Point pixelPos(Tile t) { 1082 double lon = tileSource.tileXToLon(t.getXtile(), t.getZoom()); 1083 LatLon tmpLL = new LatLon(tileSource.tileYToLat(t.getYtile(), t.getZoom()), lon); 1084 return pixelPos(tmpLL); 1085 } 1086 1087 private LatLon getShiftedLatLon(EastNorth en) { 1088 return Main.getProjection().eastNorth2latlon(en.add(-getDx(), -getDy())); 1089 } 1090 1091 private Coordinate getShiftedCoord(EastNorth en) { 1092 LatLon ll = getShiftedLatLon(en); 1093 return new Coordinate(ll.lat(),ll.lon()); 1094 } 1095 1096 private final TileSet nullTileSet = new TileSet((LatLon)null, (LatLon)null, 0); 1097 private class TileSet { 1098 int x0, x1, y0, y1; 1099 int zoom; 1100 int tileMax = -1; 1101 1102 /** 1103 * Create a TileSet by EastNorth bbox taking a layer shift in account 1104 */ 1105 TileSet(EastNorth topLeft, EastNorth botRight, int zoom) { 1106 this(getShiftedLatLon(topLeft), getShiftedLatLon(botRight),zoom); 1107 } 1108 1109 /** 1110 * Create a TileSet by known LatLon bbox without layer shift correction 1111 */ 1112 TileSet(LatLon topLeft, LatLon botRight, int zoom) { 1113 this.zoom = zoom; 1114 if (zoom == 0) 1115 return; 1116 1117 x0 = (int)tileSource.lonToTileX(topLeft.lon(), zoom); 1118 y0 = (int)tileSource.latToTileY(topLeft.lat(), zoom); 1119 x1 = (int)tileSource.lonToTileX(botRight.lon(), zoom); 1120 y1 = (int)tileSource.latToTileY(botRight.lat(), zoom); 1121 if (x0 > x1) { 1122 int tmp = x0; 1123 x0 = x1; 1124 x1 = tmp; 1125 } 1126 if (y0 > y1) { 1127 int tmp = y0; 1128 y0 = y1; 1129 y1 = tmp; 1130 } 1131 tileMax = (int)Math.pow(2.0, zoom); 1132 if (x0 < 0) { 1133 x0 = 0; 1134 } 1135 if (y0 < 0) { 1136 y0 = 0; 1137 } 1138 if (x1 > tileMax) { 1139 x1 = tileMax; 1140 } 1141 if (y1 > tileMax) { 1142 y1 = tileMax; 1143 } 1144 } 1145 1146 boolean tooSmall() { 1147 return this.tilesSpanned() < 2.1; 1148 } 1149 1150 boolean tooLarge() { 1151 return this.tilesSpanned() > 10; 1152 } 1153 1154 boolean insane() { 1155 return this.tilesSpanned() > 100; 1156 } 1157 1158 double tilesSpanned() { 1159 return Math.sqrt(1.0 * this.size()); 1160 } 1161 1162 int size() { 1163 int x_span = x1 - x0 + 1; 1164 int y_span = y1 - y0 + 1; 1165 return x_span * y_span; 1166 } 1167 1168 /* 1169 * Get all tiles represented by this TileSet that are 1170 * already in the tileCache. 1171 */ 1172 List<Tile> allExistingTiles() { 1173 return this.__allTiles(false); 1174 } 1175 1176 List<Tile> allTilesCreate() { 1177 return this.__allTiles(true); 1178 } 1179 1180 private List<Tile> __allTiles(boolean create) { 1181 // Tileset is either empty or too large 1182 if (zoom == 0 || this.insane()) 1183 return Collections.emptyList(); 1184 List<Tile> ret = new ArrayList<>(); 1185 for (int x = x0; x <= x1; x++) { 1186 for (int y = y0; y <= y1; y++) { 1187 Tile t; 1188 if (create) { 1189 t = getOrCreateTile(x % tileMax, y % tileMax, zoom); 1190 } else { 1191 t = getTile(x % tileMax, y % tileMax, zoom); 1192 } 1193 if (t != null) { 1194 ret.add(t); 1195 } 1196 } 1197 } 1198 return ret; 1199 } 1200 1201 private List<Tile> allLoadedTiles() { 1202 List<Tile> ret = new ArrayList<>(); 1203 for (Tile t : this.allExistingTiles()) { 1204 if (t.isLoaded()) 1205 ret.add(t); 1206 } 1207 return ret; 1208 } 1209 1210 void loadAllTiles(boolean force) { 1211 if (!autoLoad && !force) 1212 return; 1213 for (Tile t : this.allTilesCreate()) { 1214 loadTile(t, false); 1215 } 1216 } 1217 1218 void loadAllErrorTiles(boolean force) { 1219 if (!autoLoad && !force) 1220 return; 1221 for (Tile t : this.allTilesCreate()) { 1222 if (t.hasError()) { 1223 loadTile(t, true); 1224 } 1225 } 1226 } 1227 } 1228 1229 1230 private static class TileSetInfo { 1231 public boolean hasVisibleTiles = false; 1232 public boolean hasOverzoomedTiles = false; 1233 public boolean hasLoadingTiles = false; 1234 } 1235 1236 private static TileSetInfo getTileSetInfo(TileSet ts) { 1237 List<Tile> allTiles = ts.allExistingTiles(); 1238 TileSetInfo result = new TileSetInfo(); 1239 result.hasLoadingTiles = allTiles.size() < ts.size(); 1240 for (Tile t : allTiles) { 1241 if (t.isLoaded()) { 1242 if (!t.hasError()) { 1243 result.hasVisibleTiles = true; 1244 } 1245 if ("no-tile".equals(t.getValue("tile-info"))) { 1246 result.hasOverzoomedTiles = true; 1247 } 1248 } else { 1249 result.hasLoadingTiles = true; 1250 } 1251 } 1252 return result; 1253 } 1254 1255 private class DeepTileSet { 1256 final EastNorth topLeft, botRight; 1257 final int minZoom, maxZoom; 1258 private final TileSet[] tileSets; 1259 private final TileSetInfo[] tileSetInfos; 1260 public DeepTileSet(EastNorth topLeft, EastNorth botRight, int minZoom, int maxZoom) { 1261 this.topLeft = topLeft; 1262 this.botRight = botRight; 1263 this.minZoom = minZoom; 1264 this.maxZoom = maxZoom; 1265 this.tileSets = new TileSet[maxZoom - minZoom + 1]; 1266 this.tileSetInfos = new TileSetInfo[maxZoom - minZoom + 1]; 1267 } 1268 public TileSet getTileSet(int zoom) { 1269 if (zoom < minZoom) 1270 return nullTileSet; 1271 TileSet ts = tileSets[zoom-minZoom]; 1272 if (ts == null) { 1273 ts = new TileSet(topLeft, botRight, zoom); 1274 tileSets[zoom-minZoom] = ts; 1275 } 1276 return ts; 1277 } 1278 public TileSetInfo getTileSetInfo(int zoom) { 1279 if (zoom < minZoom) 1280 return new TileSetInfo(); 1281 TileSetInfo tsi = tileSetInfos[zoom-minZoom]; 1282 if (tsi == null) { 1283 tsi = TMSLayer.getTileSetInfo(getTileSet(zoom)); 1284 tileSetInfos[zoom-minZoom] = tsi; 1285 } 1286 return tsi; 1287 } 1288 } 1289 1290 @Override 1291 public void paint(Graphics2D g, MapView mv, Bounds bounds) { 1292 //long start = System.currentTimeMillis(); 1293 EastNorth topLeft = mv.getEastNorth(0, 0); 1294 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1295 1296 if (botRight.east() == 0.0 || botRight.north() == 0) { 1297 /*Main.debug("still initializing??");*/ 1298 // probably still initializing 1299 return; 1300 } 1301 1302 needRedraw = false; 1303 1304 int zoom = currentZoomLevel; 1305 if (autoZoom) { 1306 double pixelScaling = getScaleFactor(zoom); 1307 if (pixelScaling > 3 || pixelScaling < 0.7) { 1308 zoom = getBestZoom(); 1309 } 1310 } 1311 1312 DeepTileSet dts = new DeepTileSet(topLeft, botRight, getMinZoomLvl(), zoom); 1313 TileSet ts = dts.getTileSet(zoom); 1314 1315 int displayZoomLevel = zoom; 1316 1317 boolean noTilesAtZoom = false; 1318 if (autoZoom && autoLoad) { 1319 // Auto-detection of tilesource maxzoom (currently fully works only for Bing) 1320 TileSetInfo tsi = dts.getTileSetInfo(zoom); 1321 if (!tsi.hasVisibleTiles && (!tsi.hasLoadingTiles || tsi.hasOverzoomedTiles)) { 1322 noTilesAtZoom = true; 1323 } 1324 // Find highest zoom level with at least one visible tile 1325 for (int tmpZoom = zoom; tmpZoom > dts.minZoom; tmpZoom--) { 1326 if (dts.getTileSetInfo(tmpZoom).hasVisibleTiles) { 1327 displayZoomLevel = tmpZoom; 1328 break; 1329 } 1330 } 1331 // Do binary search between currentZoomLevel and displayZoomLevel 1332 while (zoom > displayZoomLevel && !tsi.hasVisibleTiles && tsi.hasOverzoomedTiles){ 1333 zoom = (zoom + displayZoomLevel)/2; 1334 tsi = dts.getTileSetInfo(zoom); 1335 } 1336 1337 setZoomLevel(zoom); 1338 1339 // If all tiles at displayZoomLevel is loaded, load all tiles at next zoom level 1340 // to make sure there're really no more zoom levels 1341 if (zoom == displayZoomLevel && !tsi.hasLoadingTiles && zoom < dts.maxZoom) { 1342 zoom++; 1343 tsi = dts.getTileSetInfo(zoom); 1344 } 1345 // When we have overzoomed tiles and all tiles at current zoomlevel is loaded, 1346 // load tiles at previovus zoomlevels until we have all tiles on screen is loaded. 1347 while (zoom > dts.minZoom && tsi.hasOverzoomedTiles && !tsi.hasLoadingTiles) { 1348 zoom--; 1349 tsi = dts.getTileSetInfo(zoom); 1350 } 1351 ts = dts.getTileSet(zoom); 1352 } else if (autoZoom) { 1353 setZoomLevel(zoom); 1354 } 1355 1356 // Too many tiles... refuse to download 1357 if (!ts.tooLarge()) { 1358 //Main.debug("size: " + ts.size() + " spanned: " + ts.tilesSpanned()); 1359 ts.loadAllTiles(false); 1360 } 1361 1362 if (displayZoomLevel != zoom) { 1363 ts = dts.getTileSet(displayZoomLevel); 1364 } 1365 1366 g.setColor(Color.DARK_GRAY); 1367 1368 List<Tile> missedTiles = this.paintTileImages(g, ts, displayZoomLevel, null); 1369 int[] otherZooms = { -1, 1, -2, 2, -3, -4, -5}; 1370 for (int zoomOffset : otherZooms) { 1371 if (!autoZoom) { 1372 break; 1373 } 1374 int newzoom = displayZoomLevel + zoomOffset; 1375 if (newzoom < MIN_ZOOM) { 1376 continue; 1377 } 1378 if (missedTiles.size() <= 0) { 1379 break; 1380 } 1381 List<Tile> newlyMissedTiles = new LinkedList<>(); 1382 for (Tile missed : missedTiles) { 1383 if ("no-tile".equals(missed.getValue("tile-info")) && zoomOffset > 0) { 1384 // Don't try to paint from higher zoom levels when tile is overzoomed 1385 newlyMissedTiles.add(missed); 1386 continue; 1387 } 1388 Tile t2 = tempCornerTile(missed); 1389 LatLon topLeft2 = tileLatLon(missed); 1390 LatLon botRight2 = tileLatLon(t2); 1391 TileSet ts2 = new TileSet(topLeft2, botRight2, newzoom); 1392 // Instantiating large TileSets is expensive. If there 1393 // are no loaded tiles, don't bother even trying. 1394 if (ts2.allLoadedTiles().isEmpty()) { 1395 newlyMissedTiles.add(missed); 1396 continue; 1397 } 1398 if (ts2.tooLarge()) { 1399 continue; 1400 } 1401 newlyMissedTiles.addAll(this.paintTileImages(g, ts2, newzoom, missed)); 1402 } 1403 missedTiles = newlyMissedTiles; 1404 } 1405 if (Main.isDebugEnabled() && missedTiles.size() > 0) { 1406 Main.debug("still missed "+missedTiles.size()+" in the end"); 1407 } 1408 g.setColor(Color.red); 1409 g.setFont(InfoFont); 1410 1411 // The current zoom tileset should have all of its tiles 1412 // due to the loadAllTiles(), unless it to tooLarge() 1413 for (Tile t : ts.allExistingTiles()) { 1414 this.paintTileText(ts, t, g, mv, displayZoomLevel, t); 1415 } 1416 1417 attribution.paintAttribution(g, mv.getWidth(), mv.getHeight(), getShiftedCoord(topLeft), getShiftedCoord(botRight), displayZoomLevel, this); 1418 1419 //g.drawString("currentZoomLevel=" + currentZoomLevel, 120, 120); 1420 g.setColor(Color.lightGray); 1421 if (!autoZoom) { 1422 if (ts.insane()) { 1423 myDrawString(g, tr("zoom in to load any tiles"), 120, 120); 1424 } else if (ts.tooLarge()) { 1425 myDrawString(g, tr("zoom in to load more tiles"), 120, 120); 1426 } else if (ts.tooSmall()) { 1427 myDrawString(g, tr("increase zoom level to see more detail"), 120, 120); 1428 } 1429 } 1430 if (noTilesAtZoom) { 1431 myDrawString(g, tr("No tiles at this zoom level"), 120, 120); 1432 } 1433 if (Main.isDebugEnabled()) { 1434 myDrawString(g, tr("Current zoom: {0}", currentZoomLevel), 50, 140); 1435 myDrawString(g, tr("Display zoom: {0}", displayZoomLevel), 50, 155); 1436 myDrawString(g, tr("Pixel scale: {0}", getScaleFactor(currentZoomLevel)), 50, 170); 1437 myDrawString(g, tr("Best zoom: {0}", Math.log(getScaleFactor(1))/Math.log(2)/2+1), 50, 185); 1438 } 1439 } 1440 1441 /** 1442 * This isn't very efficient, but it is only used when the 1443 * user right-clicks on the map. 1444 */ 1445 Tile getTileForPixelpos(int px, int py) { 1446 if (Main.isDebugEnabled()) { 1447 Main.debug("getTileForPixelpos("+px+", "+py+")"); 1448 } 1449 MapView mv = Main.map.mapView; 1450 Point clicked = new Point(px, py); 1451 EastNorth topLeft = mv.getEastNorth(0, 0); 1452 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1453 int z = currentZoomLevel; 1454 TileSet ts = new TileSet(topLeft, botRight, z); 1455 1456 if (!ts.tooLarge()) { 1457 ts.loadAllTiles(false); // make sure there are tile objects for all tiles 1458 } 1459 Tile clickedTile = null; 1460 for (Tile t1 : ts.allExistingTiles()) { 1461 Tile t2 = tempCornerTile(t1); 1462 Rectangle r = new Rectangle(pixelPos(t1)); 1463 r.add(pixelPos(t2)); 1464 if (Main.isDebugEnabled()) { 1465 Main.debug("r: " + r + " clicked: " + clicked); 1466 } 1467 if (!r.contains(clicked)) { 1468 continue; 1469 } 1470 clickedTile = t1; 1471 break; 1472 } 1473 if (clickedTile == null) 1474 return null; 1475 /*Main.debug("Clicked on tile: " + clickedTile.getXtile() + " " + clickedTile.getYtile() + 1476 " currentZoomLevel: " + currentZoomLevel);*/ 1477 return clickedTile; 1478 } 1479 1480 @Override 1481 public Action[] getMenuEntries() { 1482 return new Action[] { 1483 LayerListDialog.getInstance().createShowHideLayerAction(), 1484 LayerListDialog.getInstance().createDeleteLayerAction(), 1485 SeparatorLayerAction.INSTANCE, 1486 // color, 1487 new OffsetAction(), 1488 new RenameLayerAction(this.getAssociatedFile(), this), 1489 SeparatorLayerAction.INSTANCE, 1490 new LayerListPopup.InfoAction(this) }; 1491 } 1492 1493 @Override 1494 public String getToolTipText() { 1495 return tr("TMS layer ({0}), downloading in zoom {1}", getName(), currentZoomLevel); 1496 } 1497 1498 @Override 1499 public void visitBoundingBox(BoundingXYVisitor v) { 1500 } 1501 1502 @Override 1503 public boolean isChanged() { 1504 return needRedraw; 1505 } 1506 1507 @Override 1508 public final boolean isProjectionSupported(Projection proj) { 1509 return "EPSG:3857".equals(proj.toCode()) || "EPSG:4326".equals(proj.toCode()); 1510 } 1511 1512 @Override 1513 public final String nameSupportedProjections() { 1514 return tr("EPSG:4326 and Mercator projection are supported"); 1515 } 1516}