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 private static final boolean newcache = Main.pref.getBoolean("tms.newcache"); 115 116 static { 117 String defPath = null; 118 try { 119 if (newcache) { 120 defPath = new File(Main.pref.getCacheDirectory(), "tms").getAbsolutePath(); 121 } else { 122 defPath = OsmFileCacheTileLoader.getDefaultCacheDir().getAbsolutePath(); 123 } 124 } catch (SecurityException e) { 125 Main.warn(e); 126 } 127 PROP_TILECACHE_DIR = new StringProperty(PREFERENCE_PREFIX + (newcache ? ".tilecache" : ".tilecache_path"), defPath); 128 } 129 130 public interface TileLoaderFactory { 131 OsmTileLoader makeTileLoader(TileLoaderListener listener); 132 } 133 134 protected MemoryTileCache tileCache; 135 protected TileSource tileSource; 136 protected OsmTileLoader tileLoader; 137 138 public static TileLoaderFactory loaderFactory = new TileLoaderFactory() { 139 @Override 140 public OsmTileLoader makeTileLoader(TileLoaderListener listener) { 141 String cachePath = TMSLayer.PROP_TILECACHE_DIR.get(); 142 if (cachePath != null && !cachePath.isEmpty()) { 143 try { 144 OsmFileCacheTileLoader loader; 145 if (newcache) { 146 loader = new TMSFileCacheTileLoader(listener, new File(cachePath)); 147 } else { 148 loader = new OsmFileCacheTileLoader(listener, new File(cachePath)); 149 } 150 loader.headers.put("User-Agent", Version.getInstance().getFullAgentString()); 151 return loader; 152 } catch (IOException e) { 153 Main.warn(e); 154 } 155 } 156 return null; 157 } 158 }; 159 160 /** 161 * Plugins that wish to set custom tile loader should call this method 162 */ 163 public static void setCustomTileLoaderFactory(TileLoaderFactory loaderFactory) { 164 TMSLayer.loaderFactory = loaderFactory; 165 } 166 167 private Set<Tile> tileRequestsOutstanding = new HashSet<>(); 168 169 @Override 170 public synchronized void tileLoadingFinished(Tile tile, boolean success) { 171 if (tile.hasError()) { 172 success = false; 173 tile.setImage(null); 174 } 175 if (sharpenLevel != 0 && success) { 176 tile.setImage(sharpenImage(tile.getImage())); 177 } 178 tile.setLoaded(true); 179 needRedraw = true; 180 if (Main.map != null) { 181 Main.map.repaint(100); 182 } 183 tileRequestsOutstanding.remove(tile); 184 if (Main.isDebugEnabled()) { 185 Main.debug("tileLoadingFinished() tile: " + tile + " success: " + success); 186 } 187 } 188 189 private static class TmsTileClearController implements TileClearController, CancelListener { 190 191 private final ProgressMonitor monitor; 192 private boolean cancel = false; 193 194 public TmsTileClearController(ProgressMonitor monitor) { 195 this.monitor = monitor; 196 this.monitor.addCancelListener(this); 197 } 198 199 @Override 200 public void initClearDir(File dir) { 201 } 202 203 @Override 204 public void initClearFiles(File[] files) { 205 monitor.setTicksCount(files.length); 206 monitor.setTicks(0); 207 } 208 209 @Override 210 public boolean cancel() { 211 return cancel; 212 } 213 214 @Override 215 public void fileDeleted(File file) { 216 monitor.setTicks(monitor.getTicks()+1); 217 } 218 219 @Override 220 public void clearFinished() { 221 monitor.finishTask(); 222 } 223 224 @Override 225 public void operationCanceled() { 226 cancel = true; 227 } 228 } 229 230 /** 231 * Clears the tile cache. 232 * 233 * If the current tileLoader is an instance of OsmTileLoader, a new 234 * TmsTileClearController is created and passed to the according clearCache 235 * method. 236 * 237 * @param monitor 238 * @see MemoryTileCache#clear() 239 * @see OsmFileCacheTileLoader#clearCache(org.openstreetmap.gui.jmapviewer.interfaces.TileSource, org.openstreetmap.gui.jmapviewer.interfaces.TileClearController) 240 */ 241 void clearTileCache(ProgressMonitor monitor) { 242 tileCache.clear(); 243 if (tileLoader instanceof CachedTileLoader) { 244 ((CachedTileLoader)tileLoader).clearCache(tileSource, new TmsTileClearController(monitor)); 245 } 246 } 247 248 /** 249 * Zoomlevel at which tiles is currently downloaded. 250 * Initial zoom lvl is set to bestZoom 251 */ 252 public int currentZoomLevel; 253 254 private Tile clickedTile; 255 private boolean needRedraw; 256 private JPopupMenu tileOptionMenu; 257 JCheckBoxMenuItem autoZoomPopup; 258 JCheckBoxMenuItem autoLoadPopup; 259 JCheckBoxMenuItem showErrorsPopup; 260 Tile showMetadataTile; 261 private AttributionSupport attribution = new AttributionSupport(); 262 private static final Font InfoFont = new Font("sansserif", Font.BOLD, 13); 263 264 protected boolean autoZoom; 265 protected boolean autoLoad; 266 protected boolean showErrors; 267 268 /** 269 * Initiates a repaint of Main.map 270 * 271 * @see Main#map 272 * @see MapFrame#repaint() 273 */ 274 void redraw() { 275 needRedraw = true; 276 Main.map.repaint(); 277 } 278 279 static int checkMaxZoomLvl(int maxZoomLvl, TileSource ts) { 280 if(maxZoomLvl > MAX_ZOOM) { 281 maxZoomLvl = MAX_ZOOM; 282 } 283 if(maxZoomLvl < PROP_MIN_ZOOM_LVL.get()) { 284 maxZoomLvl = PROP_MIN_ZOOM_LVL.get(); 285 } 286 if (ts != null && ts.getMaxZoom() != 0 && ts.getMaxZoom() < maxZoomLvl) { 287 maxZoomLvl = ts.getMaxZoom(); 288 } 289 return maxZoomLvl; 290 } 291 292 public static int getMaxZoomLvl(TileSource ts) { 293 return checkMaxZoomLvl(PROP_MAX_ZOOM_LVL.get(), ts); 294 } 295 296 public static void setMaxZoomLvl(int maxZoomLvl) { 297 maxZoomLvl = checkMaxZoomLvl(maxZoomLvl, null); 298 PROP_MAX_ZOOM_LVL.put(maxZoomLvl); 299 } 300 301 static int checkMinZoomLvl(int minZoomLvl, TileSource ts) { 302 if(minZoomLvl < MIN_ZOOM) { 303 /*Main.debug("Min. zoom level should not be less than "+MIN_ZOOM+"! Setting to that.");*/ 304 minZoomLvl = MIN_ZOOM; 305 } 306 if(minZoomLvl > PROP_MAX_ZOOM_LVL.get()) { 307 /*Main.debug("Min. zoom level should not be more than Max. zoom level! Setting to Max.");*/ 308 minZoomLvl = getMaxZoomLvl(ts); 309 } 310 if (ts != null && ts.getMinZoom() > minZoomLvl) { 311 /*Main.debug("Increasing min. zoom level to match tile source");*/ 312 minZoomLvl = ts.getMinZoom(); 313 } 314 return minZoomLvl; 315 } 316 317 public static int getMinZoomLvl(TileSource ts) { 318 return checkMinZoomLvl(PROP_MIN_ZOOM_LVL.get(), ts); 319 } 320 321 public static void setMinZoomLvl(int minZoomLvl) { 322 minZoomLvl = checkMinZoomLvl(minZoomLvl, null); 323 PROP_MIN_ZOOM_LVL.put(minZoomLvl); 324 } 325 326 private static class CachedAttributionBingAerialTileSource extends BingAerialTileSource { 327 328 public CachedAttributionBingAerialTileSource(String id) { 329 super(id); 330 } 331 332 class BingAttributionData extends CacheCustomContent<IOException> { 333 334 public BingAttributionData() { 335 super("bing.attribution.xml", CacheCustomContent.INTERVAL_HOURLY); 336 } 337 338 @Override 339 protected byte[] updateData() throws IOException { 340 URL u = getAttributionUrl(); 341 try (Scanner scanner = new Scanner(UTFInputStreamReader.create(Utils.openURL(u)))) { 342 String r = scanner.useDelimiter("\\A").next(); 343 Main.info("Successfully loaded Bing attribution data."); 344 return r.getBytes("UTF-8"); 345 } 346 } 347 } 348 349 @Override 350 protected Callable<List<Attribution>> getAttributionLoaderCallable() { 351 return new Callable<List<Attribution>>() { 352 353 @Override 354 public List<Attribution> call() throws Exception { 355 BingAttributionData attributionLoader = new BingAttributionData(); 356 int waitTimeSec = 1; 357 while (true) { 358 try { 359 String xml = attributionLoader.updateIfRequiredString(); 360 return parseAttributionText(new InputSource(new StringReader((xml)))); 361 } catch (IOException ex) { 362 Main.warn("Could not connect to Bing API. Will retry in " + waitTimeSec + " seconds."); 363 Thread.sleep(waitTimeSec * 1000L); 364 waitTimeSec *= 2; 365 } 366 } 367 } 368 }; 369 } 370 } 371 372 /** 373 * Creates and returns a new TileSource instance depending on the {@link ImageryType} 374 * of the passed ImageryInfo object. 375 * 376 * If no appropriate TileSource is found, null is returned. 377 * Currently supported ImageryType are {@link ImageryType#TMS}, 378 * {@link ImageryType#BING}, {@link ImageryType#SCANEX}. 379 * 380 * @param info 381 * @return a new TileSource instance or null if no TileSource for the ImageryInfo/ImageryType could be found. 382 * @throws IllegalArgumentException 383 */ 384 public static TileSource getTileSource(ImageryInfo info) throws IllegalArgumentException { 385 if (info.getImageryType() == ImageryType.TMS) { 386 checkUrl(info.getUrl()); 387 TMSTileSource t = new TemplatedTMSTileSource(info.getName(), info.getUrl(), info.getId(), info.getMinZoom(), info.getMaxZoom()); 388 info.setAttribution(t); 389 return t; 390 } else if (info.getImageryType() == ImageryType.BING) 391 return new CachedAttributionBingAerialTileSource(info.getId()); 392 else if (info.getImageryType() == ImageryType.SCANEX) { 393 return new ScanexTileSource(info.getName(), info.getUrl(), info.getId(), info.getMaxZoom()); 394 } 395 return null; 396 } 397 398 /** 399 * Checks validity of given URL. 400 * @param url URL to check 401 * @throws IllegalArgumentException if url is null or invalid 402 */ 403 public static void checkUrl(String url) { 404 CheckParameterUtil.ensureParameterNotNull(url, "url"); 405 Matcher m = Pattern.compile("\\{[^}]*\\}").matcher(url); 406 while (m.find()) { 407 boolean isSupportedPattern = false; 408 for (String pattern : TemplatedTMSTileSource.ALL_PATTERNS) { 409 if (m.group().matches(pattern)) { 410 isSupportedPattern = true; 411 break; 412 } 413 } 414 if (!isSupportedPattern) { 415 throw new IllegalArgumentException( 416 tr("{0} is not a valid TMS argument. Please check this server URL:\n{1}", m.group(), url)); 417 } 418 } 419 } 420 421 private void initTileSource(TileSource tileSource) { 422 this.tileSource = tileSource; 423 attribution.initialize(tileSource); 424 425 currentZoomLevel = getBestZoom(); 426 427 tileCache = new MemoryTileCache(); 428 429 tileLoader = loaderFactory.makeTileLoader(this); 430 if (tileLoader == null) { 431 tileLoader = new OsmTileLoader(this); 432 } 433 tileLoader.timeoutConnect = Main.pref.getInteger("socket.timeout.connect",15) * 1000; 434 tileLoader.timeoutRead = Main.pref.getInteger("socket.timeout.read", 30) * 1000; 435 if (tileSource instanceof TemplatedTMSTileSource) { 436 for(Entry<String, String> e : ((TemplatedTMSTileSource)tileSource).getHeaders().entrySet()) { 437 tileLoader.headers.put(e.getKey(), e.getValue()); 438 } 439 } 440 tileLoader.headers.put("User-Agent", Version.getInstance().getFullAgentString()); 441 } 442 443 @Override 444 public void setOffset(double dx, double dy) { 445 super.setOffset(dx, dy); 446 needRedraw = true; 447 } 448 449 /** 450 * Returns average number of screen pixels per tile pixel for current mapview 451 */ 452 private double getScaleFactor(int zoom) { 453 if (!Main.isDisplayingMapView()) return 1; 454 MapView mv = Main.map.mapView; 455 LatLon topLeft = mv.getLatLon(0, 0); 456 LatLon botRight = mv.getLatLon(mv.getWidth(), mv.getHeight()); 457 double x1 = tileSource.lonToTileX(topLeft.lon(), zoom); 458 double y1 = tileSource.latToTileY(topLeft.lat(), zoom); 459 double x2 = tileSource.lonToTileX(botRight.lon(), zoom); 460 double y2 = tileSource.latToTileY(botRight.lat(), zoom); 461 462 int screenPixels = mv.getWidth()*mv.getHeight(); 463 double tilePixels = Math.abs((y2-y1)*(x2-x1)*tileSource.getTileSize()*tileSource.getTileSize()); 464 if (screenPixels == 0 || tilePixels == 0) return 1; 465 return screenPixels/tilePixels; 466 } 467 468 private final int getBestZoom() { 469 double factor = getScaleFactor(1); 470 double result = Math.log(factor)/Math.log(2)/2+1; 471 // In general, smaller zoom levels are more readable. We prefer big, 472 // block, pixelated (but readable) map text to small, smeared, 473 // unreadable underzoomed text. So, use .floor() instead of rounding 474 // to skew things a bit toward the lower zooms. 475 int intResult = (int)Math.floor(result); 476 if (intResult > getMaxZoomLvl()) 477 return getMaxZoomLvl(); 478 if (intResult < getMinZoomLvl()) 479 return getMinZoomLvl(); 480 return intResult; 481 } 482 483 /** 484 * Function to set the maximum number of workers for tile loading to the value defined 485 * in preferences. 486 */ 487 public static void setMaxWorkers() { 488 JobDispatcher.setMaxWorkers(PROP_TMS_JOBS.get()); 489 JobDispatcher.getInstance().setLIFO(true); 490 } 491 492 @SuppressWarnings("serial") 493 public TMSLayer(ImageryInfo info) { 494 super(info); 495 496 setMaxWorkers(); 497 if(!isProjectionSupported(Main.getProjection())) { 498 JOptionPane.showMessageDialog(Main.parent, 499 tr("TMS layers do not support the projection {0}.\n{1}\n" 500 + "Change the projection or remove the layer.", 501 Main.getProjection().toCode(), nameSupportedProjections()), 502 tr("Warning"), 503 JOptionPane.WARNING_MESSAGE); 504 } 505 506 setBackgroundLayer(true); 507 this.setVisible(true); 508 509 TileSource source = getTileSource(info); 510 if (source == null) 511 throw new IllegalStateException("Cannot create TMSLayer with non-TMS ImageryInfo"); 512 initTileSource(source); 513 } 514 515 /** 516 * Adds a context menu to the mapView. 517 */ 518 @Override 519 public void hookUpMapView() { 520 tileOptionMenu = new JPopupMenu(); 521 522 autoZoom = PROP_DEFAULT_AUTOZOOM.get(); 523 autoZoomPopup = new JCheckBoxMenuItem(); 524 autoZoomPopup.setAction(new AbstractAction(tr("Auto Zoom")) { 525 @Override 526 public void actionPerformed(ActionEvent ae) { 527 autoZoom = !autoZoom; 528 } 529 }); 530 autoZoomPopup.setSelected(autoZoom); 531 tileOptionMenu.add(autoZoomPopup); 532 533 autoLoad = PROP_DEFAULT_AUTOLOAD.get(); 534 autoLoadPopup = new JCheckBoxMenuItem(); 535 autoLoadPopup.setAction(new AbstractAction(tr("Auto load tiles")) { 536 @Override 537 public void actionPerformed(ActionEvent ae) { 538 autoLoad= !autoLoad; 539 } 540 }); 541 autoLoadPopup.setSelected(autoLoad); 542 tileOptionMenu.add(autoLoadPopup); 543 544 showErrors = PROP_DEFAULT_SHOWERRORS.get(); 545 showErrorsPopup = new JCheckBoxMenuItem(); 546 showErrorsPopup.setAction(new AbstractAction(tr("Show Errors")) { 547 @Override 548 public void actionPerformed(ActionEvent ae) { 549 showErrors = !showErrors; 550 } 551 }); 552 showErrorsPopup.setSelected(showErrors); 553 tileOptionMenu.add(showErrorsPopup); 554 555 tileOptionMenu.add(new JMenuItem(new AbstractAction(tr("Load Tile")) { 556 @Override 557 public void actionPerformed(ActionEvent ae) { 558 if (clickedTile != null) { 559 loadTile(clickedTile, true); 560 redraw(); 561 } 562 } 563 })); 564 565 tileOptionMenu.add(new JMenuItem(new AbstractAction( 566 tr("Show Tile Info")) { 567 @Override 568 public void actionPerformed(ActionEvent ae) { 569 if (clickedTile != null) { 570 showMetadataTile = clickedTile; 571 redraw(); 572 } 573 } 574 })); 575 576 /* FIXME 577 tileOptionMenu.add(new JMenuItem(new AbstractAction( 578 tr("Request Update")) { 579 public void actionPerformed(ActionEvent ae) { 580 if (clickedTile != null) { 581 clickedTile.requestUpdate(); 582 redraw(); 583 } 584 } 585 }));*/ 586 587 tileOptionMenu.add(new JMenuItem(new AbstractAction( 588 tr("Load All Tiles")) { 589 @Override 590 public void actionPerformed(ActionEvent ae) { 591 loadAllTiles(true); 592 redraw(); 593 } 594 })); 595 596 tileOptionMenu.add(new JMenuItem(new AbstractAction( 597 tr("Load All Error Tiles")) { 598 @Override 599 public void actionPerformed(ActionEvent ae) { 600 loadAllErrorTiles(true); 601 redraw(); 602 } 603 })); 604 605 // increase and decrease commands 606 tileOptionMenu.add(new JMenuItem(new AbstractAction( 607 tr("Increase zoom")) { 608 @Override 609 public void actionPerformed(ActionEvent ae) { 610 increaseZoomLevel(); 611 redraw(); 612 } 613 })); 614 615 tileOptionMenu.add(new JMenuItem(new AbstractAction( 616 tr("Decrease zoom")) { 617 @Override 618 public void actionPerformed(ActionEvent ae) { 619 decreaseZoomLevel(); 620 redraw(); 621 } 622 })); 623 624 tileOptionMenu.add(new JMenuItem(new AbstractAction( 625 tr("Snap to tile size")) { 626 @Override 627 public void actionPerformed(ActionEvent ae) { 628 double new_factor = Math.sqrt(getScaleFactor(currentZoomLevel)); 629 Main.map.mapView.zoomToFactor(new_factor); 630 redraw(); 631 } 632 })); 633 634 tileOptionMenu.add(new JMenuItem(new AbstractAction( 635 tr("Flush Tile Cache")) { 636 @Override 637 public void actionPerformed(ActionEvent ae) { 638 new PleaseWaitRunnable(tr("Flush Tile Cache")) { 639 @Override 640 protected void realRun() throws SAXException, IOException, 641 OsmTransferException { 642 clearTileCache(getProgressMonitor()); 643 } 644 645 @Override 646 protected void finish() { 647 } 648 649 @Override 650 protected void cancel() { 651 } 652 }.run(); 653 } 654 })); 655 656 final MouseAdapter adapter = new MouseAdapter() { 657 @Override 658 public void mouseClicked(MouseEvent e) { 659 if (!isVisible()) return; 660 if (e.getButton() == MouseEvent.BUTTON3) { 661 clickedTile = getTileForPixelpos(e.getX(), e.getY()); 662 tileOptionMenu.show(e.getComponent(), e.getX(), e.getY()); 663 } else if (e.getButton() == MouseEvent.BUTTON1) { 664 attribution.handleAttribution(e.getPoint(), true); 665 } 666 } 667 }; 668 Main.map.mapView.addMouseListener(adapter); 669 670 MapView.addLayerChangeListener(new LayerChangeListener() { 671 @Override 672 public void activeLayerChange(Layer oldLayer, Layer newLayer) { 673 // 674 } 675 676 @Override 677 public void layerAdded(Layer newLayer) { 678 // 679 } 680 681 @Override 682 public void layerRemoved(Layer oldLayer) { 683 if (oldLayer == TMSLayer.this) { 684 Main.map.mapView.removeMouseListener(adapter); 685 MapView.removeLayerChangeListener(this); 686 } 687 } 688 }); 689 } 690 691 void zoomChanged() { 692 if (Main.isDebugEnabled()) { 693 Main.debug("zoomChanged(): " + currentZoomLevel); 694 } 695 needRedraw = true; 696 JobDispatcher.getInstance().cancelOutstandingJobs(); 697 tileRequestsOutstanding.clear(); 698 } 699 700 int getMaxZoomLvl() { 701 if (info.getMaxZoom() != 0) 702 return checkMaxZoomLvl(info.getMaxZoom(), tileSource); 703 else 704 return getMaxZoomLvl(tileSource); 705 } 706 707 int getMinZoomLvl() { 708 return getMinZoomLvl(tileSource); 709 } 710 711 /** 712 * Zoom in, go closer to map. 713 * 714 * @return true, if zoom increasing was successfull, false othervise 715 */ 716 public boolean zoomIncreaseAllowed() { 717 boolean zia = currentZoomLevel < this.getMaxZoomLvl(); 718 if (Main.isDebugEnabled()) { 719 Main.debug("zoomIncreaseAllowed(): " + zia + " " + currentZoomLevel + " vs. " + this.getMaxZoomLvl() ); 720 } 721 return zia; 722 } 723 724 public boolean increaseZoomLevel() { 725 if (zoomIncreaseAllowed()) { 726 currentZoomLevel++; 727 if (Main.isDebugEnabled()) { 728 Main.debug("increasing zoom level to: " + currentZoomLevel); 729 } 730 zoomChanged(); 731 } else { 732 Main.warn("Current zoom level ("+currentZoomLevel+") could not be increased. "+ 733 "Max.zZoom Level "+this.getMaxZoomLvl()+" reached."); 734 return false; 735 } 736 return true; 737 } 738 739 public boolean setZoomLevel(int zoom) { 740 if (zoom == currentZoomLevel) return true; 741 if (zoom > this.getMaxZoomLvl()) return false; 742 if (zoom < this.getMinZoomLvl()) return false; 743 currentZoomLevel = zoom; 744 zoomChanged(); 745 return true; 746 } 747 748 /** 749 * Check if zooming out is allowed 750 * 751 * @return true, if zooming out is allowed (currentZoomLevel > minZoomLevel) 752 */ 753 public boolean zoomDecreaseAllowed() { 754 return currentZoomLevel > this.getMinZoomLvl(); 755 } 756 757 /** 758 * Zoom out from map. 759 * 760 * @return true, if zoom increasing was successfull, false othervise 761 */ 762 public boolean decreaseZoomLevel() { 763 //int minZoom = this.getMinZoomLvl(); 764 if (zoomDecreaseAllowed()) { 765 if (Main.isDebugEnabled()) { 766 Main.debug("decreasing zoom level to: " + currentZoomLevel); 767 } 768 currentZoomLevel--; 769 zoomChanged(); 770 } else { 771 /*Main.debug("Current zoom level could not be decreased. Min. zoom level "+minZoom+" reached.");*/ 772 return false; 773 } 774 return true; 775 } 776 777 /* 778 * We use these for quick, hackish calculations. They 779 * are temporary only and intentionally not inserted 780 * into the tileCache. 781 */ 782 synchronized Tile tempCornerTile(Tile t) { 783 int x = t.getXtile() + 1; 784 int y = t.getYtile() + 1; 785 int zoom = t.getZoom(); 786 Tile tile = getTile(x, y, zoom); 787 if (tile != null) 788 return tile; 789 return new Tile(tileSource, x, y, zoom); 790 } 791 792 synchronized Tile getOrCreateTile(int x, int y, int zoom) { 793 Tile tile = getTile(x, y, zoom); 794 if (tile == null) { 795 tile = new Tile(tileSource, x, y, zoom); 796 tileCache.addTile(tile); 797 tile.loadPlaceholderFromCache(tileCache); 798 } 799 return tile; 800 } 801 802 /* 803 * This can and will return null for tiles that are not 804 * already in the cache. 805 */ 806 synchronized Tile getTile(int x, int y, int zoom) { 807 int max = (1 << zoom); 808 if (x < 0 || x >= max || y < 0 || y >= max) 809 return null; 810 return tileCache.getTile(tileSource, x, y, zoom); 811 } 812 813 synchronized boolean loadTile(Tile tile, boolean force) { 814 if (tile == null) 815 return false; 816 if (!force && (tile.hasError() || tile.isLoaded())) 817 return false; 818 if (tile.isLoading()) 819 return false; 820 if (tileRequestsOutstanding.contains(tile)) 821 return false; 822 tileRequestsOutstanding.add(tile); 823 JobDispatcher.getInstance().addJob(tileLoader.createTileLoaderJob(tile)); 824 return true; 825 } 826 827 void loadAllTiles(boolean force) { 828 MapView mv = Main.map.mapView; 829 EastNorth topLeft = mv.getEastNorth(0, 0); 830 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 831 832 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 833 834 // if there is more than 18 tiles on screen in any direction, do not 835 // load all tiles! 836 if (ts.tooLarge()) { 837 Main.warn("Not downloading all tiles because there is more than 18 tiles on an axis!"); 838 return; 839 } 840 ts.loadAllTiles(force); 841 } 842 843 void loadAllErrorTiles(boolean force) { 844 MapView mv = Main.map.mapView; 845 EastNorth topLeft = mv.getEastNorth(0, 0); 846 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 847 848 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 849 850 ts.loadAllErrorTiles(force); 851 } 852 853 /* 854 * Attempt to approximate how much the image is being scaled. For instance, 855 * a 100x100 image being scaled to 50x50 would return 0.25. 856 */ 857 Image lastScaledImage = null; 858 @Override 859 public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) { 860 boolean done = ((infoflags & (ERROR | FRAMEBITS | ALLBITS)) != 0); 861 needRedraw = true; 862 if (Main.isDebugEnabled()) { 863 Main.debug("imageUpdate() done: " + done + " calling repaint"); 864 } 865 Main.map.repaint(done ? 0 : 100); 866 return !done; 867 } 868 869 boolean imageLoaded(Image i) { 870 if (i == null) 871 return false; 872 int status = Toolkit.getDefaultToolkit().checkImage(i, -1, -1, this); 873 if ((status & ALLBITS) != 0) 874 return true; 875 return false; 876 } 877 878 /** 879 * Returns the image for the given tile if both tile and image are loaded. 880 * Otherwise returns null. 881 * 882 * @param tile the Tile for which the image should be returned 883 * @return the image of the tile or null. 884 */ 885 Image getLoadedTileImage(Tile tile) { 886 if (!tile.isLoaded()) 887 return null; 888 Image img = tile.getImage(); 889 if (!imageLoaded(img)) 890 return null; 891 return img; 892 } 893 894 LatLon tileLatLon(Tile t) { 895 int zoom = t.getZoom(); 896 return new LatLon(tileSource.tileYToLat(t.getYtile(), zoom), 897 tileSource.tileXToLon(t.getXtile(), zoom)); 898 } 899 900 Rectangle tileToRect(Tile t1) { 901 /* 902 * We need to get a box in which to draw, so advance by one tile in 903 * each direction to find the other corner of the box. 904 * Note: this somewhat pollutes the tile cache 905 */ 906 Tile t2 = tempCornerTile(t1); 907 Rectangle rect = new Rectangle(pixelPos(t1)); 908 rect.add(pixelPos(t2)); 909 return rect; 910 } 911 912 // 'source' is the pixel coordinates for the area that 913 // the img is capable of filling in. However, we probably 914 // only want a portion of it. 915 // 916 // 'border' is the screen cordinates that need to be drawn. 917 // We must not draw outside of it. 918 void drawImageInside(Graphics g, Image sourceImg, Rectangle source, Rectangle border) { 919 Rectangle target = source; 920 921 // If a border is specified, only draw the intersection 922 // if what we have combined with what we are supposed 923 // to draw. 924 if (border != null) { 925 target = source.intersection(border); 926 if (Main.isDebugEnabled()) { 927 Main.debug("source: " + source + "\nborder: " + border + "\nintersection: " + target); 928 } 929 } 930 931 // All of the rectangles are in screen coordinates. We need 932 // to how these correlate to the sourceImg pixels. We could 933 // avoid doing this by scaling the image up to the 'source' size, 934 // but this should be cheaper. 935 // 936 // In some projections, x any y are scaled differently enough to 937 // cause a pixel or two of fudge. Calculate them separately. 938 double imageYScaling = sourceImg.getHeight(this) / source.getHeight(); 939 double imageXScaling = sourceImg.getWidth(this) / source.getWidth(); 940 941 // How many pixels into the 'source' rectangle are we drawing? 942 int screen_x_offset = target.x - source.x; 943 int screen_y_offset = target.y - source.y; 944 // And how many pixels into the image itself does that 945 // correlate to? 946 int img_x_offset = (int)(screen_x_offset * imageXScaling); 947 int img_y_offset = (int)(screen_y_offset * imageYScaling); 948 // Now calculate the other corner of the image that we need 949 // by scaling the 'target' rectangle's dimensions. 950 int img_x_end = img_x_offset + (int)(target.getWidth() * imageXScaling); 951 int img_y_end = img_y_offset + (int)(target.getHeight() * imageYScaling); 952 953 if (Main.isDebugEnabled()) { 954 Main.debug("drawing image into target rect: " + target); 955 } 956 g.drawImage(sourceImg, 957 target.x, target.y, 958 target.x + target.width, target.y + target.height, 959 img_x_offset, img_y_offset, 960 img_x_end, img_y_end, 961 this); 962 if (PROP_FADE_AMOUNT.get() != 0) { 963 // dimm by painting opaque rect... 964 g.setColor(getFadeColorWithAlpha()); 965 g.fillRect(target.x, target.y, 966 target.width, target.height); 967 } 968 } 969 970 // This function is called for several zoom levels, not just 971 // the current one. It should not trigger any tiles to be 972 // downloaded. It should also avoid polluting the tile cache 973 // with any tiles since these tiles are not mandatory. 974 // 975 // The "border" tile tells us the boundaries of where we may 976 // draw. It will not be from the zoom level that is being 977 // drawn currently. If drawing the displayZoomLevel, 978 // border is null and we draw the entire tile set. 979 List<Tile> paintTileImages(Graphics g, TileSet ts, int zoom, Tile border) { 980 if (zoom <= 0) return Collections.emptyList(); 981 Rectangle borderRect = null; 982 if (border != null) { 983 borderRect = tileToRect(border); 984 } 985 List<Tile> missedTiles = new LinkedList<>(); 986 // The callers of this code *require* that we return any tiles 987 // that we do not draw in missedTiles. ts.allExistingTiles() by 988 // default will only return already-existing tiles. However, we 989 // need to return *all* tiles to the callers, so force creation 990 // here. 991 //boolean forceTileCreation = true; 992 for (Tile tile : ts.allTilesCreate()) { 993 Image img = getLoadedTileImage(tile); 994 if (img == null || tile.hasError()) { 995 if (Main.isDebugEnabled()) { 996 Main.debug("missed tile: " + tile); 997 } 998 missedTiles.add(tile); 999 continue; 1000 } 1001 Rectangle sourceRect = tileToRect(tile); 1002 if (borderRect != null && !sourceRect.intersects(borderRect)) { 1003 continue; 1004 } 1005 drawImageInside(g, img, sourceRect, borderRect); 1006 } 1007 return missedTiles; 1008 } 1009 1010 void myDrawString(Graphics g, String text, int x, int y) { 1011 Color oldColor = g.getColor(); 1012 g.setColor(Color.black); 1013 g.drawString(text,x+1,y+1); 1014 g.setColor(oldColor); 1015 g.drawString(text,x,y); 1016 } 1017 1018 void paintTileText(TileSet ts, Tile tile, Graphics g, MapView mv, int zoom, Tile t) { 1019 int fontHeight = g.getFontMetrics().getHeight(); 1020 if (tile == null) 1021 return; 1022 Point p = pixelPos(t); 1023 int texty = p.y + 2 + fontHeight; 1024 1025 /*if (PROP_DRAW_DEBUG.get()) { 1026 myDrawString(g, "x=" + t.getXtile() + " y=" + t.getYtile() + " z=" + zoom + "", p.x + 2, texty); 1027 texty += 1 + fontHeight; 1028 if ((t.getXtile() % 32 == 0) && (t.getYtile() % 32 == 0)) { 1029 myDrawString(g, "x=" + t.getXtile() / 32 + " y=" + t.getYtile() / 32 + " z=7", p.x + 2, texty); 1030 texty += 1 + fontHeight; 1031 } 1032 }*/ 1033 1034 if (tile == showMetadataTile) { 1035 String md = tile.toString(); 1036 if (md != null) { 1037 myDrawString(g, md, p.x + 2, texty); 1038 texty += 1 + fontHeight; 1039 } 1040 Map<String, String> meta = tile.getMetadata(); 1041 if (meta != null) { 1042 for (Map.Entry<String, String> entry : meta.entrySet()) { 1043 myDrawString(g, entry.getKey() + ": " + entry.getValue(), p.x + 2, texty); 1044 texty += 1 + fontHeight; 1045 } 1046 } 1047 } 1048 1049 /*String tileStatus = tile.getStatus(); 1050 if (!tile.isLoaded() && PROP_DRAW_DEBUG.get()) { 1051 myDrawString(g, tr("image " + tileStatus), p.x + 2, texty); 1052 texty += 1 + fontHeight; 1053 }*/ 1054 1055 if (tile.hasError() && showErrors) { 1056 myDrawString(g, tr("Error") + ": " + tr(tile.getErrorMessage()), p.x + 2, texty); 1057 texty += 1 + fontHeight; 1058 } 1059 1060 /*int xCursor = -1; 1061 int yCursor = -1; 1062 if (PROP_DRAW_DEBUG.get()) { 1063 if (yCursor < t.getYtile()) { 1064 if (t.getYtile() % 32 == 31) { 1065 g.fillRect(0, p.y - 1, mv.getWidth(), 3); 1066 } else { 1067 g.drawLine(0, p.y, mv.getWidth(), p.y); 1068 } 1069 yCursor = t.getYtile(); 1070 } 1071 // This draws the vertical lines for the entire 1072 // column. Only draw them for the top tile in 1073 // the column. 1074 if (xCursor < t.getXtile()) { 1075 if (t.getXtile() % 32 == 0) { 1076 // level 7 tile boundary 1077 g.fillRect(p.x - 1, 0, 3, mv.getHeight()); 1078 } else { 1079 g.drawLine(p.x, 0, p.x, mv.getHeight()); 1080 } 1081 xCursor = t.getXtile(); 1082 } 1083 }*/ 1084 } 1085 1086 private Point pixelPos(LatLon ll) { 1087 return Main.map.mapView.getPoint(Main.getProjection().latlon2eastNorth(ll).add(getDx(), getDy())); 1088 } 1089 1090 private Point pixelPos(Tile t) { 1091 double lon = tileSource.tileXToLon(t.getXtile(), t.getZoom()); 1092 LatLon tmpLL = new LatLon(tileSource.tileYToLat(t.getYtile(), t.getZoom()), lon); 1093 return pixelPos(tmpLL); 1094 } 1095 1096 private LatLon getShiftedLatLon(EastNorth en) { 1097 return Main.getProjection().eastNorth2latlon(en.add(-getDx(), -getDy())); 1098 } 1099 1100 private Coordinate getShiftedCoord(EastNorth en) { 1101 LatLon ll = getShiftedLatLon(en); 1102 return new Coordinate(ll.lat(),ll.lon()); 1103 } 1104 1105 private final TileSet nullTileSet = new TileSet((LatLon)null, (LatLon)null, 0); 1106 private class TileSet { 1107 int x0, x1, y0, y1; 1108 int zoom; 1109 int tileMax = -1; 1110 1111 /** 1112 * Create a TileSet by EastNorth bbox taking a layer shift in account 1113 */ 1114 TileSet(EastNorth topLeft, EastNorth botRight, int zoom) { 1115 this(getShiftedLatLon(topLeft), getShiftedLatLon(botRight),zoom); 1116 } 1117 1118 /** 1119 * Create a TileSet by known LatLon bbox without layer shift correction 1120 */ 1121 TileSet(LatLon topLeft, LatLon botRight, int zoom) { 1122 this.zoom = zoom; 1123 if (zoom == 0) 1124 return; 1125 1126 x0 = (int)tileSource.lonToTileX(topLeft.lon(), zoom); 1127 y0 = (int)tileSource.latToTileY(topLeft.lat(), zoom); 1128 x1 = (int)tileSource.lonToTileX(botRight.lon(), zoom); 1129 y1 = (int)tileSource.latToTileY(botRight.lat(), zoom); 1130 if (x0 > x1) { 1131 int tmp = x0; 1132 x0 = x1; 1133 x1 = tmp; 1134 } 1135 if (y0 > y1) { 1136 int tmp = y0; 1137 y0 = y1; 1138 y1 = tmp; 1139 } 1140 tileMax = (int)Math.pow(2.0, zoom); 1141 if (x0 < 0) { 1142 x0 = 0; 1143 } 1144 if (y0 < 0) { 1145 y0 = 0; 1146 } 1147 if (x1 > tileMax) { 1148 x1 = tileMax; 1149 } 1150 if (y1 > tileMax) { 1151 y1 = tileMax; 1152 } 1153 } 1154 1155 boolean tooSmall() { 1156 return this.tilesSpanned() < 2.1; 1157 } 1158 1159 boolean tooLarge() { 1160 return this.tilesSpanned() > 10; 1161 } 1162 1163 boolean insane() { 1164 return this.tilesSpanned() > 100; 1165 } 1166 1167 double tilesSpanned() { 1168 return Math.sqrt(1.0 * this.size()); 1169 } 1170 1171 int size() { 1172 int x_span = x1 - x0 + 1; 1173 int y_span = y1 - y0 + 1; 1174 return x_span * y_span; 1175 } 1176 1177 /* 1178 * Get all tiles represented by this TileSet that are 1179 * already in the tileCache. 1180 */ 1181 List<Tile> allExistingTiles() { 1182 return this.__allTiles(false); 1183 } 1184 1185 List<Tile> allTilesCreate() { 1186 return this.__allTiles(true); 1187 } 1188 1189 private List<Tile> __allTiles(boolean create) { 1190 // Tileset is either empty or too large 1191 if (zoom == 0 || this.insane()) 1192 return Collections.emptyList(); 1193 List<Tile> ret = new ArrayList<>(); 1194 for (int x = x0; x <= x1; x++) { 1195 for (int y = y0; y <= y1; y++) { 1196 Tile t; 1197 if (create) { 1198 t = getOrCreateTile(x % tileMax, y % tileMax, zoom); 1199 } else { 1200 t = getTile(x % tileMax, y % tileMax, zoom); 1201 } 1202 if (t != null) { 1203 ret.add(t); 1204 } 1205 } 1206 } 1207 return ret; 1208 } 1209 1210 private List<Tile> allLoadedTiles() { 1211 List<Tile> ret = new ArrayList<>(); 1212 for (Tile t : this.allExistingTiles()) { 1213 if (t.isLoaded()) 1214 ret.add(t); 1215 } 1216 return ret; 1217 } 1218 1219 void loadAllTiles(boolean force) { 1220 if (!autoLoad && !force) 1221 return; 1222 for (Tile t : this.allTilesCreate()) { 1223 loadTile(t, false); 1224 } 1225 } 1226 1227 void loadAllErrorTiles(boolean force) { 1228 if (!autoLoad && !force) 1229 return; 1230 for (Tile t : this.allTilesCreate()) { 1231 if (t.hasError()) { 1232 loadTile(t, true); 1233 } 1234 } 1235 } 1236 } 1237 1238 1239 private static class TileSetInfo { 1240 public boolean hasVisibleTiles = false; 1241 public boolean hasOverzoomedTiles = false; 1242 public boolean hasLoadingTiles = false; 1243 } 1244 1245 private static TileSetInfo getTileSetInfo(TileSet ts) { 1246 List<Tile> allTiles = ts.allExistingTiles(); 1247 TileSetInfo result = new TileSetInfo(); 1248 result.hasLoadingTiles = allTiles.size() < ts.size(); 1249 for (Tile t : allTiles) { 1250 if (t.isLoaded()) { 1251 if (!t.hasError()) { 1252 result.hasVisibleTiles = true; 1253 } 1254 if ("no-tile".equals(t.getValue("tile-info"))) { 1255 result.hasOverzoomedTiles = true; 1256 } 1257 } else { 1258 result.hasLoadingTiles = true; 1259 } 1260 } 1261 return result; 1262 } 1263 1264 private class DeepTileSet { 1265 final EastNorth topLeft, botRight; 1266 final int minZoom, maxZoom; 1267 private final TileSet[] tileSets; 1268 private final TileSetInfo[] tileSetInfos; 1269 public DeepTileSet(EastNorth topLeft, EastNorth botRight, int minZoom, int maxZoom) { 1270 this.topLeft = topLeft; 1271 this.botRight = botRight; 1272 this.minZoom = minZoom; 1273 this.maxZoom = maxZoom; 1274 this.tileSets = new TileSet[maxZoom - minZoom + 1]; 1275 this.tileSetInfos = new TileSetInfo[maxZoom - minZoom + 1]; 1276 } 1277 public TileSet getTileSet(int zoom) { 1278 if (zoom < minZoom) 1279 return nullTileSet; 1280 TileSet ts = tileSets[zoom-minZoom]; 1281 if (ts == null) { 1282 ts = new TileSet(topLeft, botRight, zoom); 1283 tileSets[zoom-minZoom] = ts; 1284 } 1285 return ts; 1286 } 1287 public TileSetInfo getTileSetInfo(int zoom) { 1288 if (zoom < minZoom) 1289 return new TileSetInfo(); 1290 TileSetInfo tsi = tileSetInfos[zoom-minZoom]; 1291 if (tsi == null) { 1292 tsi = TMSLayer.getTileSetInfo(getTileSet(zoom)); 1293 tileSetInfos[zoom-minZoom] = tsi; 1294 } 1295 return tsi; 1296 } 1297 } 1298 1299 @Override 1300 public void paint(Graphics2D g, MapView mv, Bounds bounds) { 1301 //long start = System.currentTimeMillis(); 1302 EastNorth topLeft = mv.getEastNorth(0, 0); 1303 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1304 1305 if (botRight.east() == 0.0 || botRight.north() == 0) { 1306 /*Main.debug("still initializing??");*/ 1307 // probably still initializing 1308 return; 1309 } 1310 1311 needRedraw = false; 1312 1313 int zoom = currentZoomLevel; 1314 if (autoZoom) { 1315 double pixelScaling = getScaleFactor(zoom); 1316 if (pixelScaling > 3 || pixelScaling < 0.7) { 1317 zoom = getBestZoom(); 1318 } 1319 } 1320 1321 DeepTileSet dts = new DeepTileSet(topLeft, botRight, getMinZoomLvl(), zoom); 1322 TileSet ts = dts.getTileSet(zoom); 1323 1324 int displayZoomLevel = zoom; 1325 1326 boolean noTilesAtZoom = false; 1327 if (autoZoom && autoLoad) { 1328 // Auto-detection of tilesource maxzoom (currently fully works only for Bing) 1329 TileSetInfo tsi = dts.getTileSetInfo(zoom); 1330 if (!tsi.hasVisibleTiles && (!tsi.hasLoadingTiles || tsi.hasOverzoomedTiles)) { 1331 noTilesAtZoom = true; 1332 } 1333 // Find highest zoom level with at least one visible tile 1334 for (int tmpZoom = zoom; tmpZoom > dts.minZoom; tmpZoom--) { 1335 if (dts.getTileSetInfo(tmpZoom).hasVisibleTiles) { 1336 displayZoomLevel = tmpZoom; 1337 break; 1338 } 1339 } 1340 // Do binary search between currentZoomLevel and displayZoomLevel 1341 while (zoom > displayZoomLevel && !tsi.hasVisibleTiles && tsi.hasOverzoomedTiles){ 1342 zoom = (zoom + displayZoomLevel)/2; 1343 tsi = dts.getTileSetInfo(zoom); 1344 } 1345 1346 setZoomLevel(zoom); 1347 1348 // If all tiles at displayZoomLevel is loaded, load all tiles at next zoom level 1349 // to make sure there're really no more zoom levels 1350 if (zoom == displayZoomLevel && !tsi.hasLoadingTiles && zoom < dts.maxZoom) { 1351 zoom++; 1352 tsi = dts.getTileSetInfo(zoom); 1353 } 1354 // When we have overzoomed tiles and all tiles at current zoomlevel is loaded, 1355 // load tiles at previovus zoomlevels until we have all tiles on screen is loaded. 1356 while (zoom > dts.minZoom && tsi.hasOverzoomedTiles && !tsi.hasLoadingTiles) { 1357 zoom--; 1358 tsi = dts.getTileSetInfo(zoom); 1359 } 1360 ts = dts.getTileSet(zoom); 1361 } else if (autoZoom) { 1362 setZoomLevel(zoom); 1363 } 1364 1365 // Too many tiles... refuse to download 1366 if (!ts.tooLarge()) { 1367 //Main.debug("size: " + ts.size() + " spanned: " + ts.tilesSpanned()); 1368 ts.loadAllTiles(false); 1369 } 1370 1371 if (displayZoomLevel != zoom) { 1372 ts = dts.getTileSet(displayZoomLevel); 1373 } 1374 1375 g.setColor(Color.DARK_GRAY); 1376 1377 List<Tile> missedTiles = this.paintTileImages(g, ts, displayZoomLevel, null); 1378 int[] otherZooms = { -1, 1, -2, 2, -3, -4, -5}; 1379 for (int zoomOffset : otherZooms) { 1380 if (!autoZoom) { 1381 break; 1382 } 1383 int newzoom = displayZoomLevel + zoomOffset; 1384 if (newzoom < MIN_ZOOM) { 1385 continue; 1386 } 1387 if (missedTiles.size() <= 0) { 1388 break; 1389 } 1390 List<Tile> newlyMissedTiles = new LinkedList<>(); 1391 for (Tile missed : missedTiles) { 1392 if ("no-tile".equals(missed.getValue("tile-info")) && zoomOffset > 0) { 1393 // Don't try to paint from higher zoom levels when tile is overzoomed 1394 newlyMissedTiles.add(missed); 1395 continue; 1396 } 1397 Tile t2 = tempCornerTile(missed); 1398 LatLon topLeft2 = tileLatLon(missed); 1399 LatLon botRight2 = tileLatLon(t2); 1400 TileSet ts2 = new TileSet(topLeft2, botRight2, newzoom); 1401 // Instantiating large TileSets is expensive. If there 1402 // are no loaded tiles, don't bother even trying. 1403 if (ts2.allLoadedTiles().isEmpty()) { 1404 newlyMissedTiles.add(missed); 1405 continue; 1406 } 1407 if (ts2.tooLarge()) { 1408 continue; 1409 } 1410 newlyMissedTiles.addAll(this.paintTileImages(g, ts2, newzoom, missed)); 1411 } 1412 missedTiles = newlyMissedTiles; 1413 } 1414 if (Main.isDebugEnabled() && missedTiles.size() > 0) { 1415 Main.debug("still missed "+missedTiles.size()+" in the end"); 1416 } 1417 g.setColor(Color.red); 1418 g.setFont(InfoFont); 1419 1420 // The current zoom tileset should have all of its tiles 1421 // due to the loadAllTiles(), unless it to tooLarge() 1422 for (Tile t : ts.allExistingTiles()) { 1423 this.paintTileText(ts, t, g, mv, displayZoomLevel, t); 1424 } 1425 1426 attribution.paintAttribution(g, mv.getWidth(), mv.getHeight(), getShiftedCoord(topLeft), getShiftedCoord(botRight), displayZoomLevel, this); 1427 1428 //g.drawString("currentZoomLevel=" + currentZoomLevel, 120, 120); 1429 g.setColor(Color.lightGray); 1430 if (!autoZoom) { 1431 if (ts.insane()) { 1432 myDrawString(g, tr("zoom in to load any tiles"), 120, 120); 1433 } else if (ts.tooLarge()) { 1434 myDrawString(g, tr("zoom in to load more tiles"), 120, 120); 1435 } else if (ts.tooSmall()) { 1436 myDrawString(g, tr("increase zoom level to see more detail"), 120, 120); 1437 } 1438 } 1439 if (noTilesAtZoom) { 1440 myDrawString(g, tr("No tiles at this zoom level"), 120, 120); 1441 } 1442 if (Main.isDebugEnabled()) { 1443 myDrawString(g, tr("Current zoom: {0}", currentZoomLevel), 50, 140); 1444 myDrawString(g, tr("Display zoom: {0}", displayZoomLevel), 50, 155); 1445 myDrawString(g, tr("Pixel scale: {0}", getScaleFactor(currentZoomLevel)), 50, 170); 1446 myDrawString(g, tr("Best zoom: {0}", Math.log(getScaleFactor(1))/Math.log(2)/2+1), 50, 185); 1447 } 1448 } 1449 1450 /** 1451 * This isn't very efficient, but it is only used when the 1452 * user right-clicks on the map. 1453 */ 1454 Tile getTileForPixelpos(int px, int py) { 1455 if (Main.isDebugEnabled()) { 1456 Main.debug("getTileForPixelpos("+px+", "+py+")"); 1457 } 1458 MapView mv = Main.map.mapView; 1459 Point clicked = new Point(px, py); 1460 EastNorth topLeft = mv.getEastNorth(0, 0); 1461 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1462 int z = currentZoomLevel; 1463 TileSet ts = new TileSet(topLeft, botRight, z); 1464 1465 if (!ts.tooLarge()) { 1466 ts.loadAllTiles(false); // make sure there are tile objects for all tiles 1467 } 1468 Tile clickedTile = null; 1469 for (Tile t1 : ts.allExistingTiles()) { 1470 Tile t2 = tempCornerTile(t1); 1471 Rectangle r = new Rectangle(pixelPos(t1)); 1472 r.add(pixelPos(t2)); 1473 if (Main.isDebugEnabled()) { 1474 Main.debug("r: " + r + " clicked: " + clicked); 1475 } 1476 if (!r.contains(clicked)) { 1477 continue; 1478 } 1479 clickedTile = t1; 1480 break; 1481 } 1482 if (clickedTile == null) 1483 return null; 1484 /*Main.debug("Clicked on tile: " + clickedTile.getXtile() + " " + clickedTile.getYtile() + 1485 " currentZoomLevel: " + currentZoomLevel);*/ 1486 return clickedTile; 1487 } 1488 1489 @Override 1490 public Action[] getMenuEntries() { 1491 return new Action[] { 1492 LayerListDialog.getInstance().createShowHideLayerAction(), 1493 LayerListDialog.getInstance().createDeleteLayerAction(), 1494 SeparatorLayerAction.INSTANCE, 1495 // color, 1496 new OffsetAction(), 1497 new RenameLayerAction(this.getAssociatedFile(), this), 1498 SeparatorLayerAction.INSTANCE, 1499 new LayerListPopup.InfoAction(this) }; 1500 } 1501 1502 @Override 1503 public String getToolTipText() { 1504 return tr("TMS layer ({0}), downloading in zoom {1}", getName(), currentZoomLevel); 1505 } 1506 1507 @Override 1508 public void visitBoundingBox(BoundingXYVisitor v) { 1509 } 1510 1511 @Override 1512 public boolean isChanged() { 1513 return needRedraw; 1514 } 1515 1516 @Override 1517 public final boolean isProjectionSupported(Projection proj) { 1518 return "EPSG:3857".equals(proj.toCode()) || "EPSG:4326".equals(proj.toCode()); 1519 } 1520 1521 @Override 1522 public final String nameSupportedProjections() { 1523 return tr("EPSG:4326 and Mercator projection are supported"); 1524 } 1525}