001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.layer; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.Color; 007import java.awt.Font; 008import java.awt.Graphics; 009import java.awt.Graphics2D; 010import java.awt.Image; 011import java.awt.Point; 012import java.awt.Rectangle; 013import java.awt.Toolkit; 014import java.awt.event.ActionEvent; 015import java.awt.event.MouseAdapter; 016import java.awt.event.MouseEvent; 017import java.awt.image.ImageObserver; 018import java.io.File; 019import java.io.IOException; 020import java.io.StringReader; 021import java.net.URL; 022import java.util.ArrayList; 023import java.util.Collections; 024import java.util.HashSet; 025import java.util.LinkedList; 026import java.util.List; 027import java.util.Map; 028import java.util.Map.Entry; 029import java.util.Scanner; 030import java.util.Set; 031import java.util.concurrent.Callable; 032import java.util.regex.Matcher; 033import java.util.regex.Pattern; 034 035import javax.swing.AbstractAction; 036import javax.swing.Action; 037import javax.swing.JCheckBoxMenuItem; 038import javax.swing.JMenuItem; 039import javax.swing.JOptionPane; 040import javax.swing.JPopupMenu; 041 042import org.openstreetmap.gui.jmapviewer.AttributionSupport; 043import org.openstreetmap.gui.jmapviewer.Coordinate; 044import org.openstreetmap.gui.jmapviewer.JobDispatcher; 045import org.openstreetmap.gui.jmapviewer.MemoryTileCache; 046import org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader; 047import org.openstreetmap.gui.jmapviewer.OsmTileLoader; 048import org.openstreetmap.gui.jmapviewer.Tile; 049import org.openstreetmap.gui.jmapviewer.interfaces.CachedTileLoader; 050import org.openstreetmap.gui.jmapviewer.interfaces.TileCache; 051import org.openstreetmap.gui.jmapviewer.interfaces.TileClearController; 052import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener; 053import org.openstreetmap.gui.jmapviewer.interfaces.TileSource; 054import org.openstreetmap.gui.jmapviewer.tilesources.BingAerialTileSource; 055import org.openstreetmap.gui.jmapviewer.tilesources.ScanexTileSource; 056import org.openstreetmap.gui.jmapviewer.tilesources.TMSTileSource; 057import org.openstreetmap.gui.jmapviewer.tilesources.TemplatedTMSTileSource; 058import org.openstreetmap.josm.Main; 059import org.openstreetmap.josm.actions.RenameLayerAction; 060import org.openstreetmap.josm.data.Bounds; 061import org.openstreetmap.josm.data.Version; 062import org.openstreetmap.josm.data.coor.EastNorth; 063import org.openstreetmap.josm.data.coor.LatLon; 064import org.openstreetmap.josm.data.imagery.ImageryInfo; 065import org.openstreetmap.josm.data.imagery.ImageryInfo.ImageryType; 066import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor; 067import org.openstreetmap.josm.data.preferences.BooleanProperty; 068import org.openstreetmap.josm.data.preferences.IntegerProperty; 069import org.openstreetmap.josm.data.preferences.StringProperty; 070import org.openstreetmap.josm.data.projection.Projection; 071import org.openstreetmap.josm.gui.MapFrame; 072import org.openstreetmap.josm.gui.MapView; 073import org.openstreetmap.josm.gui.MapView.LayerChangeListener; 074import org.openstreetmap.josm.gui.PleaseWaitRunnable; 075import org.openstreetmap.josm.gui.dialogs.LayerListDialog; 076import org.openstreetmap.josm.gui.dialogs.LayerListPopup; 077import org.openstreetmap.josm.gui.progress.ProgressMonitor; 078import org.openstreetmap.josm.gui.progress.ProgressMonitor.CancelListener; 079import org.openstreetmap.josm.io.CacheCustomContent; 080import org.openstreetmap.josm.io.OsmTransferException; 081import org.openstreetmap.josm.io.UTFInputStreamReader; 082import org.openstreetmap.josm.tools.Utils; 083import org.xml.sax.InputSource; 084import org.xml.sax.SAXException; 085 086/** 087 * Class that displays a slippy map layer. 088 * 089 * @author Frederik Ramm <frederik@remote.org> 090 * @author LuVar <lubomir.varga@freemap.sk> 091 * @author Dave Hansen <dave@sr71.net> 092 * @author Upliner <upliner@gmail.com> 093 * 094 */ 095public class TMSLayer extends ImageryLayer implements ImageObserver, TileLoaderListener { 096 public static final String PREFERENCE_PREFIX = "imagery.tms"; 097 098 public static final int MAX_ZOOM = 30; 099 public static final int MIN_ZOOM = 2; 100 public static final int DEFAULT_MAX_ZOOM = 20; 101 public static final int DEFAULT_MIN_ZOOM = 2; 102 103 public static final BooleanProperty PROP_DEFAULT_AUTOZOOM = new BooleanProperty(PREFERENCE_PREFIX + ".default_autozoom", true); 104 public static final BooleanProperty PROP_DEFAULT_AUTOLOAD = new BooleanProperty(PREFERENCE_PREFIX + ".default_autoload", true); 105 public static final BooleanProperty PROP_DEFAULT_SHOWERRORS = new BooleanProperty(PREFERENCE_PREFIX + ".default_showerrors", true); 106 public static final IntegerProperty PROP_MIN_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".min_zoom_lvl", DEFAULT_MIN_ZOOM); 107 public static final IntegerProperty PROP_MAX_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".max_zoom_lvl", DEFAULT_MAX_ZOOM); 108 //public static final BooleanProperty PROP_DRAW_DEBUG = new BooleanProperty(PREFERENCE_PREFIX + ".draw_debug", false); 109 public static final BooleanProperty PROP_ADD_TO_SLIPPYMAP_CHOOSER = new BooleanProperty(PREFERENCE_PREFIX + ".add_to_slippymap_chooser", true); 110 public static final IntegerProperty PROP_TMS_JOBS = new IntegerProperty("tmsloader.maxjobs", 25); 111 public static final StringProperty PROP_TILECACHE_DIR; 112 113 static { 114 String defPath = null; 115 try { 116 defPath = OsmFileCacheTileLoader.getDefaultCacheDir().getAbsolutePath(); 117 } catch (SecurityException e) { 118 Main.warn(e); 119 } 120 PROP_TILECACHE_DIR = new StringProperty(PREFERENCE_PREFIX + ".tilecache_path", defPath); 121 } 122 123 /*boolean debug = true;*/ 124 125 public interface TileLoaderFactory { 126 OsmTileLoader makeTileLoader(TileLoaderListener listener); 127 } 128 129 protected MemoryTileCache tileCache; 130 protected TileSource tileSource; 131 protected OsmTileLoader tileLoader; 132 133 public static TileLoaderFactory loaderFactory = new TileLoaderFactory() { 134 @Override 135 public OsmTileLoader makeTileLoader(TileLoaderListener listener) { 136 String cachePath = TMSLayer.PROP_TILECACHE_DIR.get(); 137 if (cachePath != null && !cachePath.isEmpty()) { 138 try { 139 OsmFileCacheTileLoader loader = new OsmFileCacheTileLoader(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<Tile>(); 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 Main.map.repaint(100); 171 tileRequestsOutstanding.remove(tile); 172 /*if (debug) { 173 Main.debug("tileLoadingFinished() tile: " + tile + " success: " + success); 174 }*/ 175 } 176 177 @Override 178 public TileCache getTileCache() { 179 return tileCache; 180 } 181 182 private class TmsTileClearController implements TileClearController, CancelListener { 183 184 private final ProgressMonitor monitor; 185 private boolean cancel = false; 186 187 public TmsTileClearController(ProgressMonitor monitor) { 188 this.monitor = monitor; 189 this.monitor.addCancelListener(this); 190 } 191 192 @Override 193 public void initClearDir(File dir) { 194 } 195 196 @Override 197 public void initClearFiles(File[] files) { 198 monitor.setTicksCount(files.length); 199 monitor.setTicks(0); 200 } 201 202 @Override 203 public boolean cancel() { 204 return cancel; 205 } 206 207 @Override 208 public void fileDeleted(File file) { 209 monitor.setTicks(monitor.getTicks()+1); 210 } 211 212 @Override 213 public void clearFinished() { 214 monitor.finishTask(); 215 } 216 217 @Override 218 public void operationCanceled() { 219 cancel = true; 220 } 221 } 222 223 /** 224 * Clears the tile cache. 225 * 226 * If the current tileLoader is an instance of OsmTileLoader, a new 227 * TmsTileClearController is created and passed to the according clearCache 228 * method. 229 * 230 * @param monitor 231 * @see MemoryTileCache#clear() 232 * @see OsmFileCacheTileLoader#clearCache(org.openstreetmap.gui.jmapviewer.interfaces.TileSource, org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader.TileClearController) 233 */ 234 void clearTileCache(ProgressMonitor monitor) { 235 tileCache.clear(); 236 if (tileLoader instanceof CachedTileLoader) { 237 ((CachedTileLoader)tileLoader).clearCache(tileSource, new TmsTileClearController(monitor)); 238 } 239 } 240 241 /** 242 * Zoomlevel at which tiles is currently downloaded. 243 * Initial zoom lvl is set to bestZoom 244 */ 245 public int currentZoomLevel; 246 247 private Tile clickedTile; 248 private boolean needRedraw; 249 private JPopupMenu tileOptionMenu; 250 JCheckBoxMenuItem autoZoomPopup; 251 JCheckBoxMenuItem autoLoadPopup; 252 JCheckBoxMenuItem showErrorsPopup; 253 Tile showMetadataTile; 254 private AttributionSupport attribution = new AttributionSupport(); 255 private static final Font InfoFont = new Font("sansserif", Font.BOLD, 13); 256 257 protected boolean autoZoom; 258 protected boolean autoLoad; 259 protected boolean showErrors; 260 261 /** 262 * Initiates a repaint of Main.map 263 * 264 * @see Main#map 265 * @see MapFrame#repaint() 266 */ 267 void redraw() { 268 needRedraw = true; 269 Main.map.repaint(); 270 } 271 272 static int checkMaxZoomLvl(int maxZoomLvl, TileSource ts) { 273 if(maxZoomLvl > MAX_ZOOM) { 274 /*Main.debug("Max. zoom level should not be more than 30! Setting to 30.");*/ 275 maxZoomLvl = MAX_ZOOM; 276 } 277 if(maxZoomLvl < PROP_MIN_ZOOM_LVL.get()) { 278 /*Main.debug("Max. zoom level should not be more than min. zoom level! Setting to min.");*/ 279 maxZoomLvl = PROP_MIN_ZOOM_LVL.get(); 280 } 281 if (ts != null && ts.getMaxZoom() != 0 && ts.getMaxZoom() < maxZoomLvl) { 282 maxZoomLvl = ts.getMaxZoom(); 283 } 284 return maxZoomLvl; 285 } 286 287 public static int getMaxZoomLvl(TileSource ts) { 288 return checkMaxZoomLvl(PROP_MAX_ZOOM_LVL.get(), ts); 289 } 290 291 public static void setMaxZoomLvl(int maxZoomLvl) { 292 maxZoomLvl = checkMaxZoomLvl(maxZoomLvl, null); 293 PROP_MAX_ZOOM_LVL.put(maxZoomLvl); 294 } 295 296 static int checkMinZoomLvl(int minZoomLvl, TileSource ts) { 297 if(minZoomLvl < MIN_ZOOM) { 298 /*Main.debug("Min. zoom level should not be less than "+MIN_ZOOM+"! Setting to that.");*/ 299 minZoomLvl = MIN_ZOOM; 300 } 301 if(minZoomLvl > PROP_MAX_ZOOM_LVL.get()) { 302 /*Main.debug("Min. zoom level should not be more than Max. zoom level! Setting to Max.");*/ 303 minZoomLvl = getMaxZoomLvl(ts); 304 } 305 if (ts != null && ts.getMinZoom() > minZoomLvl) { 306 /*Main.debug("Increasing min. zoom level to match tile source");*/ 307 minZoomLvl = ts.getMinZoom(); 308 } 309 return minZoomLvl; 310 } 311 312 public static int getMinZoomLvl(TileSource ts) { 313 return checkMinZoomLvl(PROP_MIN_ZOOM_LVL.get(), ts); 314 } 315 316 public static void setMinZoomLvl(int minZoomLvl) { 317 minZoomLvl = checkMinZoomLvl(minZoomLvl, null); 318 PROP_MIN_ZOOM_LVL.put(minZoomLvl); 319 } 320 321 private static class CachedAttributionBingAerialTileSource extends BingAerialTileSource { 322 323 class BingAttributionData extends CacheCustomContent<IOException> { 324 325 public BingAttributionData() { 326 super("bing.attribution.xml", CacheCustomContent.INTERVAL_HOURLY); 327 } 328 329 @Override 330 protected byte[] updateData() throws IOException { 331 URL u = getAttributionUrl(); 332 UTFInputStreamReader in = UTFInputStreamReader.create(Utils.openURL(u), "utf-8"); 333 String r = new Scanner(in).useDelimiter("\\A").next(); 334 Utils.close(in); 335 Main.info("Successfully loaded Bing attribution data."); 336 return r.getBytes("utf-8"); 337 } 338 } 339 340 @Override 341 protected Callable<List<Attribution>> getAttributionLoaderCallable() { 342 return new Callable<List<Attribution>>() { 343 344 @Override 345 public List<Attribution> call() throws Exception { 346 BingAttributionData attributionLoader = new BingAttributionData(); 347 int waitTimeSec = 1; 348 while (true) { 349 try { 350 String xml = attributionLoader.updateIfRequiredString(); 351 return parseAttributionText(new InputSource(new StringReader((xml)))); 352 } catch (IOException ex) { 353 Main.warn("Could not connect to Bing API. Will retry in " + waitTimeSec + " seconds."); 354 Thread.sleep(waitTimeSec * 1000L); 355 waitTimeSec *= 2; 356 } 357 } 358 } 359 }; 360 } 361 } 362 363 /** 364 * Creates and returns a new TileSource instance depending on the {@link ImageryType} 365 * of the passed ImageryInfo object. 366 * 367 * If no appropriate TileSource is found, null is returned. 368 * Currently supported ImageryType are {@link ImageryType#TMS}, 369 * {@link ImageryType#BING}, {@link ImageryType#SCANEX}. 370 * 371 * @param info 372 * @return a new TileSource instance or null if no TileSource for the ImageryInfo/ImageryType could be found. 373 * @throws IllegalArgumentException 374 */ 375 public static TileSource getTileSource(ImageryInfo info) throws IllegalArgumentException { 376 if (info.getImageryType() == ImageryType.TMS) { 377 checkUrl(info.getUrl()); 378 TMSTileSource t = new TemplatedTMSTileSource(info.getName(), info.getUrl(), info.getMinZoom(), info.getMaxZoom()); 379 info.setAttribution(t); 380 return t; 381 } else if (info.getImageryType() == ImageryType.BING) 382 return new CachedAttributionBingAerialTileSource(); 383 else if (info.getImageryType() == ImageryType.SCANEX) { 384 return new ScanexTileSource(info.getUrl()); 385 } 386 return null; 387 } 388 389 public static void checkUrl(String url) throws IllegalArgumentException { 390 if (url == null) { 391 throw new IllegalArgumentException(); 392 } else { 393 Matcher m = Pattern.compile("\\{[^}]*\\}").matcher(url); 394 while (m.find()) { 395 boolean isSupportedPattern = false; 396 for (String pattern : TemplatedTMSTileSource.ALL_PATTERNS) { 397 if (m.group().matches(pattern)) { 398 isSupportedPattern = true; 399 break; 400 } 401 } 402 if (!isSupportedPattern) { 403 throw new IllegalArgumentException(tr("{0} is not a valid TMS argument. Please check this server URL:\n{1}", m.group(), url)); 404 } 405 } 406 } 407 } 408 409 private void initTileSource(TileSource tileSource) { 410 this.tileSource = tileSource; 411 attribution.initialize(tileSource); 412 413 currentZoomLevel = getBestZoom(); 414 415 tileCache = new MemoryTileCache(); 416 417 tileLoader = loaderFactory.makeTileLoader(this); 418 if (tileLoader == null) { 419 tileLoader = new OsmTileLoader(this); 420 } 421 tileLoader.timeoutConnect = Main.pref.getInteger("socket.timeout.connect",15) * 1000; 422 tileLoader.timeoutRead = Main.pref.getInteger("socket.timeout.read", 30) * 1000; 423 if (tileSource instanceof TemplatedTMSTileSource) { 424 for(Entry<String, String> e : ((TemplatedTMSTileSource)tileSource).getHeaders().entrySet()) { 425 tileLoader.headers.put(e.getKey(), e.getValue()); 426 } 427 } 428 tileLoader.headers.put("User-Agent", Version.getInstance().getFullAgentString()); 429 } 430 431 @Override 432 public void setOffset(double dx, double dy) { 433 super.setOffset(dx, dy); 434 needRedraw = true; 435 } 436 437 /** 438 * Returns average number of screen pixels per tile pixel for current mapview 439 */ 440 private double getScaleFactor(int zoom) { 441 if (!Main.isDisplayingMapView()) return 1; 442 MapView mv = Main.map.mapView; 443 LatLon topLeft = mv.getLatLon(0, 0); 444 LatLon botRight = mv.getLatLon(mv.getWidth(), mv.getHeight()); 445 double x1 = tileSource.lonToTileX(topLeft.lon(), zoom); 446 double y1 = tileSource.latToTileY(topLeft.lat(), zoom); 447 double x2 = tileSource.lonToTileX(botRight.lon(), zoom); 448 double y2 = tileSource.latToTileY(botRight.lat(), zoom); 449 450 int screenPixels = mv.getWidth()*mv.getHeight(); 451 double tilePixels = Math.abs((y2-y1)*(x2-x1)*tileSource.getTileSize()*tileSource.getTileSize()); 452 if (screenPixels == 0 || tilePixels == 0) return 1; 453 return screenPixels/tilePixels; 454 } 455 456 private int getBestZoom() { 457 double factor = getScaleFactor(1); 458 double result = Math.log(factor)/Math.log(2)/2+1; 459 // In general, smaller zoom levels are more readable. We prefer big, 460 // block, pixelated (but readable) map text to small, smeared, 461 // unreadable underzoomed text. So, use .floor() instead of rounding 462 // to skew things a bit toward the lower zooms. 463 int intResult = (int)Math.floor(result); 464 if (intResult > getMaxZoomLvl()) 465 return getMaxZoomLvl(); 466 if (intResult < getMinZoomLvl()) 467 return getMinZoomLvl(); 468 return intResult; 469 } 470 471 /** 472 * Function to set the maximum number of workers for tile loading to the value defined 473 * in preferences. 474 */ 475 static public void setMaxWorkers() { 476 JobDispatcher.setMaxWorkers(PROP_TMS_JOBS.get()); 477 JobDispatcher.getInstance().setLIFO(true); 478 } 479 480 @SuppressWarnings("serial") 481 public TMSLayer(ImageryInfo info) { 482 super(info); 483 484 setMaxWorkers(); 485 if(!isProjectionSupported(Main.getProjection())) { 486 JOptionPane.showMessageDialog(Main.parent, 487 tr("TMS layers do not support the projection {0}.\n{1}\n" 488 + "Change the projection or remove the layer.", 489 Main.getProjection().toCode(), nameSupportedProjections()), 490 tr("Warning"), 491 JOptionPane.WARNING_MESSAGE); 492 } 493 494 setBackgroundLayer(true); 495 this.setVisible(true); 496 497 TileSource source = getTileSource(info); 498 if (source == null) 499 throw new IllegalStateException("Cannot create TMSLayer with non-TMS ImageryInfo"); 500 initTileSource(source); 501 } 502 503 /** 504 * Adds a context menu to the mapView. 505 */ 506 @Override 507 public void hookUpMapView() { 508 tileOptionMenu = new JPopupMenu(); 509 510 autoZoom = PROP_DEFAULT_AUTOZOOM.get(); 511 autoZoomPopup = new JCheckBoxMenuItem(); 512 autoZoomPopup.setAction(new AbstractAction(tr("Auto Zoom")) { 513 @Override 514 public void actionPerformed(ActionEvent ae) { 515 autoZoom = !autoZoom; 516 } 517 }); 518 autoZoomPopup.setSelected(autoZoom); 519 tileOptionMenu.add(autoZoomPopup); 520 521 autoLoad = PROP_DEFAULT_AUTOLOAD.get(); 522 autoLoadPopup = new JCheckBoxMenuItem(); 523 autoLoadPopup.setAction(new AbstractAction(tr("Auto load tiles")) { 524 @Override 525 public void actionPerformed(ActionEvent ae) { 526 autoLoad= !autoLoad; 527 } 528 }); 529 autoLoadPopup.setSelected(autoLoad); 530 tileOptionMenu.add(autoLoadPopup); 531 532 showErrors = PROP_DEFAULT_SHOWERRORS.get(); 533 showErrorsPopup = new JCheckBoxMenuItem(); 534 showErrorsPopup.setAction(new AbstractAction(tr("Show Errors")) { 535 @Override 536 public void actionPerformed(ActionEvent ae) { 537 showErrors = !showErrors; 538 } 539 }); 540 showErrorsPopup.setSelected(showErrors); 541 tileOptionMenu.add(showErrorsPopup); 542 543 tileOptionMenu.add(new JMenuItem(new AbstractAction(tr("Load Tile")) { 544 @Override 545 public void actionPerformed(ActionEvent ae) { 546 if (clickedTile != null) { 547 loadTile(clickedTile, true); 548 redraw(); 549 } 550 } 551 })); 552 553 tileOptionMenu.add(new JMenuItem(new AbstractAction( 554 tr("Show Tile Info")) { 555 @Override 556 public void actionPerformed(ActionEvent ae) { 557 if (clickedTile != null) { 558 showMetadataTile = clickedTile; 559 redraw(); 560 } 561 } 562 })); 563 564 /* FIXME 565 tileOptionMenu.add(new JMenuItem(new AbstractAction( 566 tr("Request Update")) { 567 public void actionPerformed(ActionEvent ae) { 568 if (clickedTile != null) { 569 clickedTile.requestUpdate(); 570 redraw(); 571 } 572 } 573 }));*/ 574 575 tileOptionMenu.add(new JMenuItem(new AbstractAction( 576 tr("Load All Tiles")) { 577 @Override 578 public void actionPerformed(ActionEvent ae) { 579 loadAllTiles(true); 580 redraw(); 581 } 582 })); 583 584 tileOptionMenu.add(new JMenuItem(new AbstractAction( 585 tr("Load All Error Tiles")) { 586 @Override 587 public void actionPerformed(ActionEvent ae) { 588 loadAllErrorTiles(true); 589 redraw(); 590 } 591 })); 592 593 // increase and decrease commands 594 tileOptionMenu.add(new JMenuItem(new AbstractAction( 595 tr("Increase zoom")) { 596 @Override 597 public void actionPerformed(ActionEvent ae) { 598 increaseZoomLevel(); 599 redraw(); 600 } 601 })); 602 603 tileOptionMenu.add(new JMenuItem(new AbstractAction( 604 tr("Decrease zoom")) { 605 @Override 606 public void actionPerformed(ActionEvent ae) { 607 decreaseZoomLevel(); 608 redraw(); 609 } 610 })); 611 612 tileOptionMenu.add(new JMenuItem(new AbstractAction( 613 tr("Snap to tile size")) { 614 @Override 615 public void actionPerformed(ActionEvent ae) { 616 double new_factor = Math.sqrt(getScaleFactor(currentZoomLevel)); 617 Main.map.mapView.zoomToFactor(new_factor); 618 redraw(); 619 } 620 })); 621 622 tileOptionMenu.add(new JMenuItem(new AbstractAction( 623 tr("Flush Tile Cache")) { 624 @Override 625 public void actionPerformed(ActionEvent ae) { 626 new PleaseWaitRunnable(tr("Flush Tile Cache")) { 627 @Override 628 protected void realRun() throws SAXException, IOException, 629 OsmTransferException { 630 clearTileCache(getProgressMonitor()); 631 } 632 633 @Override 634 protected void finish() { 635 } 636 637 @Override 638 protected void cancel() { 639 } 640 }.run(); 641 } 642 })); 643 // end of adding menu commands 644 645 final MouseAdapter adapter = new MouseAdapter() { 646 @Override 647 public void mouseClicked(MouseEvent e) { 648 if (!isVisible()) return; 649 if (e.getButton() == MouseEvent.BUTTON3) { 650 clickedTile = getTileForPixelpos(e.getX(), e.getY()); 651 tileOptionMenu.show(e.getComponent(), e.getX(), e.getY()); 652 } else if (e.getButton() == MouseEvent.BUTTON1) { 653 attribution.handleAttribution(e.getPoint(), true); 654 } 655 } 656 }; 657 Main.map.mapView.addMouseListener(adapter); 658 659 MapView.addLayerChangeListener(new LayerChangeListener() { 660 @Override 661 public void activeLayerChange(Layer oldLayer, Layer newLayer) { 662 // 663 } 664 665 @Override 666 public void layerAdded(Layer newLayer) { 667 // 668 } 669 670 @Override 671 public void layerRemoved(Layer oldLayer) { 672 if (oldLayer == TMSLayer.this) { 673 Main.map.mapView.removeMouseListener(adapter); 674 MapView.removeLayerChangeListener(this); 675 } 676 } 677 }); 678 } 679 680 void zoomChanged() { 681 /*if (debug) { 682 Main.debug("zoomChanged(): " + currentZoomLevel); 683 }*/ 684 needRedraw = true; 685 JobDispatcher.getInstance().cancelOutstandingJobs(); 686 tileRequestsOutstanding.clear(); 687 } 688 689 int getMaxZoomLvl() { 690 if (info.getMaxZoom() != 0) 691 return checkMaxZoomLvl(info.getMaxZoom(), tileSource); 692 else 693 return getMaxZoomLvl(tileSource); 694 } 695 696 int getMinZoomLvl() { 697 return getMinZoomLvl(tileSource); 698 } 699 700 /** 701 * Zoom in, go closer to map. 702 * 703 * @return true, if zoom increasing was successfull, false othervise 704 */ 705 public boolean zoomIncreaseAllowed() { 706 boolean zia = currentZoomLevel < this.getMaxZoomLvl(); 707 /*if (debug) { 708 Main.debug("zoomIncreaseAllowed(): " + zia + " " + currentZoomLevel + " vs. " + this.getMaxZoomLvl() ); 709 }*/ 710 return zia; 711 } 712 713 public boolean increaseZoomLevel() { 714 if (zoomIncreaseAllowed()) { 715 currentZoomLevel++; 716 /*if (debug) { 717 Main.debug("increasing zoom level to: " + currentZoomLevel); 718 }*/ 719 zoomChanged(); 720 } else { 721 Main.warn("Current zoom level ("+currentZoomLevel+") could not be increased. "+ 722 "Max.zZoom Level "+this.getMaxZoomLvl()+" reached."); 723 return false; 724 } 725 return true; 726 } 727 728 public boolean setZoomLevel(int zoom) { 729 if (zoom == currentZoomLevel) return true; 730 if (zoom > this.getMaxZoomLvl()) return false; 731 if (zoom < this.getMinZoomLvl()) return false; 732 currentZoomLevel = zoom; 733 zoomChanged(); 734 return true; 735 } 736 737 /** 738 * Check if zooming out is allowed 739 * 740 * @return true, if zooming out is allowed (currentZoomLevel > minZoomLevel) 741 */ 742 public boolean zoomDecreaseAllowed() { 743 return currentZoomLevel > this.getMinZoomLvl(); 744 } 745 746 /** 747 * Zoom out from map. 748 * 749 * @return true, if zoom increasing was successfull, false othervise 750 */ 751 public boolean decreaseZoomLevel() { 752 //int minZoom = this.getMinZoomLvl(); 753 if (zoomDecreaseAllowed()) { 754 /*if (debug) { 755 Main.debug("decreasing zoom level to: " + currentZoomLevel); 756 }*/ 757 currentZoomLevel--; 758 zoomChanged(); 759 } else { 760 /*Main.debug("Current zoom level could not be decreased. Min. zoom level "+minZoom+" reached.");*/ 761 return false; 762 } 763 return true; 764 } 765 766 /* 767 * We use these for quick, hackish calculations. They 768 * are temporary only and intentionally not inserted 769 * into the tileCache. 770 */ 771 synchronized Tile tempCornerTile(Tile t) { 772 int x = t.getXtile() + 1; 773 int y = t.getYtile() + 1; 774 int zoom = t.getZoom(); 775 Tile tile = getTile(x, y, zoom); 776 if (tile != null) 777 return tile; 778 return new Tile(tileSource, x, y, zoom); 779 } 780 781 synchronized Tile getOrCreateTile(int x, int y, int zoom) { 782 Tile tile = getTile(x, y, zoom); 783 if (tile == null) { 784 tile = new Tile(tileSource, x, y, zoom); 785 tileCache.addTile(tile); 786 tile.loadPlaceholderFromCache(tileCache); 787 } 788 return tile; 789 } 790 791 /* 792 * This can and will return null for tiles that are not 793 * already in the cache. 794 */ 795 synchronized Tile getTile(int x, int y, int zoom) { 796 int max = (1 << zoom); 797 if (x < 0 || x >= max || y < 0 || y >= max) 798 return null; 799 Tile tile = tileCache.getTile(tileSource, x, y, zoom); 800 return tile; 801 } 802 803 synchronized boolean loadTile(Tile tile, boolean force) { 804 if (tile == null) 805 return false; 806 if (!force && (tile.hasError() || tile.isLoaded())) 807 return false; 808 if (tile.isLoading()) 809 return false; 810 if (tileRequestsOutstanding.contains(tile)) 811 return false; 812 tileRequestsOutstanding.add(tile); 813 JobDispatcher.getInstance().addJob(tileLoader.createTileLoaderJob(tile)); 814 return true; 815 } 816 817 void loadAllTiles(boolean force) { 818 MapView mv = Main.map.mapView; 819 EastNorth topLeft = mv.getEastNorth(0, 0); 820 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 821 822 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 823 824 // if there is more than 18 tiles on screen in any direction, do not 825 // load all tiles! 826 if (ts.tooLarge()) { 827 Main.warn("Not downloading all tiles because there is more than 18 tiles on an axis!"); 828 return; 829 } 830 ts.loadAllTiles(force); 831 } 832 833 void loadAllErrorTiles(boolean force) { 834 MapView mv = Main.map.mapView; 835 EastNorth topLeft = mv.getEastNorth(0, 0); 836 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 837 838 TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel); 839 840 ts.loadAllErrorTiles(force); 841 } 842 843 /* 844 * Attempt to approximate how much the image is being scaled. For instance, 845 * a 100x100 image being scaled to 50x50 would return 0.25. 846 */ 847 Image lastScaledImage = null; 848 @Override 849 public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) { 850 boolean done = ((infoflags & (ERROR | FRAMEBITS | ALLBITS)) != 0); 851 needRedraw = true; 852 /*if (debug) { 853 Main.debug("imageUpdate() done: " + done + " calling repaint"); 854 }*/ 855 Main.map.repaint(done ? 0 : 100); 856 return !done; 857 } 858 859 boolean imageLoaded(Image i) { 860 if (i == null) 861 return false; 862 int status = Toolkit.getDefaultToolkit().checkImage(i, -1, -1, this); 863 if ((status & ALLBITS) != 0) 864 return true; 865 return false; 866 } 867 868 /** 869 * Returns the image for the given tile if both tile and image are loaded. 870 * Otherwise returns null. 871 * 872 * @param tile the Tile for which the image should be returned 873 * @return the image of the tile or null. 874 */ 875 Image getLoadedTileImage(Tile tile) { 876 if (!tile.isLoaded()) 877 return null; 878 Image img = tile.getImage(); 879 if (!imageLoaded(img)) 880 return null; 881 return img; 882 } 883 884 LatLon tileLatLon(Tile t) { 885 int zoom = t.getZoom(); 886 return new LatLon(tileSource.tileYToLat(t.getYtile(), zoom), 887 tileSource.tileXToLon(t.getXtile(), zoom)); 888 } 889 890 Rectangle tileToRect(Tile t1) { 891 /* 892 * We need to get a box in which to draw, so advance by one tile in 893 * each direction to find the other corner of the box. 894 * Note: this somewhat pollutes the tile cache 895 */ 896 Tile t2 = tempCornerTile(t1); 897 Rectangle rect = new Rectangle(pixelPos(t1)); 898 rect.add(pixelPos(t2)); 899 return rect; 900 } 901 902 // 'source' is the pixel coordinates for the area that 903 // the img is capable of filling in. However, we probably 904 // only want a portion of it. 905 // 906 // 'border' is the screen cordinates that need to be drawn. 907 // We must not draw outside of it. 908 void drawImageInside(Graphics g, Image sourceImg, Rectangle source, Rectangle border) { 909 Rectangle target = source; 910 911 // If a border is specified, only draw the intersection 912 // if what we have combined with what we are supposed 913 // to draw. 914 if (border != null) { 915 target = source.intersection(border); 916 /*if (debug) { 917 Main.debug("source: " + source + "\nborder: " + border + "\nintersection: " + target); 918 }*/ 919 } 920 921 // All of the rectangles are in screen coordinates. We need 922 // to how these correlate to the sourceImg pixels. We could 923 // avoid doing this by scaling the image up to the 'source' size, 924 // but this should be cheaper. 925 // 926 // In some projections, x any y are scaled differently enough to 927 // cause a pixel or two of fudge. Calculate them separately. 928 double imageYScaling = sourceImg.getHeight(this) / source.getHeight(); 929 double imageXScaling = sourceImg.getWidth(this) / source.getWidth(); 930 931 // How many pixels into the 'source' rectangle are we drawing? 932 int screen_x_offset = target.x - source.x; 933 int screen_y_offset = target.y - source.y; 934 // And how many pixels into the image itself does that 935 // correlate to? 936 int img_x_offset = (int)(screen_x_offset * imageXScaling); 937 int img_y_offset = (int)(screen_y_offset * imageYScaling); 938 // Now calculate the other corner of the image that we need 939 // by scaling the 'target' rectangle's dimensions. 940 int img_x_end = img_x_offset + (int)(target.getWidth() * imageXScaling); 941 int img_y_end = img_y_offset + (int)(target.getHeight() * imageYScaling); 942 943 /*if (debug) { 944 Main.debug("drawing image into target rect: " + target); 945 }*/ 946 g.drawImage(sourceImg, 947 target.x, target.y, 948 target.x + target.width, target.y + target.height, 949 img_x_offset, img_y_offset, 950 img_x_end, img_y_end, 951 this); 952 if (PROP_FADE_AMOUNT.get() != 0) { 953 // dimm by painting opaque rect... 954 g.setColor(getFadeColorWithAlpha()); 955 g.fillRect(target.x, target.y, 956 target.width, target.height); 957 } 958 } 959 960 // This function is called for several zoom levels, not just 961 // the current one. It should not trigger any tiles to be 962 // downloaded. It should also avoid polluting the tile cache 963 // with any tiles since these tiles are not mandatory. 964 // 965 // The "border" tile tells us the boundaries of where we may 966 // draw. It will not be from the zoom level that is being 967 // drawn currently. If drawing the displayZoomLevel, 968 // border is null and we draw the entire tile set. 969 List<Tile> paintTileImages(Graphics g, TileSet ts, int zoom, Tile border) { 970 if (zoom <= 0) return Collections.emptyList(); 971 Rectangle borderRect = null; 972 if (border != null) { 973 borderRect = tileToRect(border); 974 } 975 List<Tile> missedTiles = new LinkedList<Tile>(); 976 // The callers of this code *require* that we return any tiles 977 // that we do not draw in missedTiles. ts.allExistingTiles() by 978 // default will only return already-existing tiles. However, we 979 // need to return *all* tiles to the callers, so force creation 980 // here. 981 //boolean forceTileCreation = true; 982 for (Tile tile : ts.allTilesCreate()) { 983 Image img = getLoadedTileImage(tile); 984 if (img == null || tile.hasError()) { 985 /*if (debug) { 986 Main.debug("missed tile: " + tile); 987 }*/ 988 missedTiles.add(tile); 989 continue; 990 } 991 Rectangle sourceRect = tileToRect(tile); 992 if (borderRect != null && !sourceRect.intersects(borderRect)) { 993 continue; 994 } 995 drawImageInside(g, img, sourceRect, borderRect); 996 }// end of for 997 return missedTiles; 998 } 999 1000 void myDrawString(Graphics g, String text, int x, int y) { 1001 Color oldColor = g.getColor(); 1002 g.setColor(Color.black); 1003 g.drawString(text,x+1,y+1); 1004 g.setColor(oldColor); 1005 g.drawString(text,x,y); 1006 } 1007 1008 void paintTileText(TileSet ts, Tile tile, Graphics g, MapView mv, int zoom, Tile t) { 1009 int fontHeight = g.getFontMetrics().getHeight(); 1010 if (tile == null) 1011 return; 1012 Point p = pixelPos(t); 1013 int texty = p.y + 2 + fontHeight; 1014 1015 /*if (PROP_DRAW_DEBUG.get()) { 1016 myDrawString(g, "x=" + t.getXtile() + " y=" + t.getYtile() + " z=" + zoom + "", p.x + 2, texty); 1017 texty += 1 + fontHeight; 1018 if ((t.getXtile() % 32 == 0) && (t.getYtile() % 32 == 0)) { 1019 myDrawString(g, "x=" + t.getXtile() / 32 + " y=" + t.getYtile() / 32 + " z=7", p.x + 2, texty); 1020 texty += 1 + fontHeight; 1021 } 1022 }*/// end of if draw debug 1023 1024 if (tile == showMetadataTile) { 1025 String md = tile.toString(); 1026 if (md != null) { 1027 myDrawString(g, md, p.x + 2, texty); 1028 texty += 1 + fontHeight; 1029 } 1030 Map<String, String> meta = tile.getMetadata(); 1031 if (meta != null) { 1032 for (Map.Entry<String, String> entry : meta.entrySet()) { 1033 myDrawString(g, entry.getKey() + ": " + entry.getValue(), p.x + 2, texty); 1034 texty += 1 + fontHeight; 1035 } 1036 } 1037 } 1038 1039 /*String tileStatus = tile.getStatus(); 1040 if (!tile.isLoaded() && PROP_DRAW_DEBUG.get()) { 1041 myDrawString(g, tr("image " + tileStatus), p.x + 2, texty); 1042 texty += 1 + fontHeight; 1043 }*/ 1044 1045 if (tile.hasError() && showErrors) { 1046 myDrawString(g, tr("Error") + ": " + tr(tile.getErrorMessage()), p.x + 2, texty); 1047 texty += 1 + fontHeight; 1048 } 1049 1050 /*int xCursor = -1; 1051 int yCursor = -1; 1052 if (PROP_DRAW_DEBUG.get()) { 1053 if (yCursor < t.getYtile()) { 1054 if (t.getYtile() % 32 == 31) { 1055 g.fillRect(0, p.y - 1, mv.getWidth(), 3); 1056 } else { 1057 g.drawLine(0, p.y, mv.getWidth(), p.y); 1058 } 1059 yCursor = t.getYtile(); 1060 } 1061 // This draws the vertical lines for the entire 1062 // column. Only draw them for the top tile in 1063 // the column. 1064 if (xCursor < t.getXtile()) { 1065 if (t.getXtile() % 32 == 0) { 1066 // level 7 tile boundary 1067 g.fillRect(p.x - 1, 0, 3, mv.getHeight()); 1068 } else { 1069 g.drawLine(p.x, 0, p.x, mv.getHeight()); 1070 } 1071 xCursor = t.getXtile(); 1072 } 1073 }*/ 1074 } 1075 1076 private Point pixelPos(LatLon ll) { 1077 return Main.map.mapView.getPoint(Main.getProjection().latlon2eastNorth(ll).add(getDx(), getDy())); 1078 } 1079 1080 private Point pixelPos(Tile t) { 1081 double lon = tileSource.tileXToLon(t.getXtile(), t.getZoom()); 1082 LatLon tmpLL = new LatLon(tileSource.tileYToLat(t.getYtile(), t.getZoom()), lon); 1083 return pixelPos(tmpLL); 1084 } 1085 1086 private LatLon getShiftedLatLon(EastNorth en) { 1087 return Main.getProjection().eastNorth2latlon(en.add(-getDx(), -getDy())); 1088 } 1089 1090 private Coordinate getShiftedCoord(EastNorth en) { 1091 LatLon ll = getShiftedLatLon(en); 1092 return new Coordinate(ll.lat(),ll.lon()); 1093 } 1094 1095 private final TileSet nullTileSet = new TileSet((LatLon)null, (LatLon)null, 0); 1096 private class TileSet { 1097 int x0, x1, y0, y1; 1098 int zoom; 1099 int tileMax = -1; 1100 1101 /** 1102 * Create a TileSet by EastNorth bbox taking a layer shift in account 1103 */ 1104 TileSet(EastNorth topLeft, EastNorth botRight, int zoom) { 1105 this(getShiftedLatLon(topLeft), getShiftedLatLon(botRight),zoom); 1106 } 1107 1108 /** 1109 * Create a TileSet by known LatLon bbox without layer shift correction 1110 */ 1111 TileSet(LatLon topLeft, LatLon botRight, int zoom) { 1112 this.zoom = zoom; 1113 if (zoom == 0) 1114 return; 1115 1116 x0 = (int)tileSource.lonToTileX(topLeft.lon(), zoom); 1117 y0 = (int)tileSource.latToTileY(topLeft.lat(), zoom); 1118 x1 = (int)tileSource.lonToTileX(botRight.lon(), zoom); 1119 y1 = (int)tileSource.latToTileY(botRight.lat(), zoom); 1120 if (x0 > x1) { 1121 int tmp = x0; 1122 x0 = x1; 1123 x1 = tmp; 1124 } 1125 if (y0 > y1) { 1126 int tmp = y0; 1127 y0 = y1; 1128 y1 = tmp; 1129 } 1130 tileMax = (int)Math.pow(2.0, zoom); 1131 if (x0 < 0) { 1132 x0 = 0; 1133 } 1134 if (y0 < 0) { 1135 y0 = 0; 1136 } 1137 if (x1 > tileMax) { 1138 x1 = tileMax; 1139 } 1140 if (y1 > tileMax) { 1141 y1 = tileMax; 1142 } 1143 } 1144 1145 boolean tooSmall() { 1146 return this.tilesSpanned() < 2.1; 1147 } 1148 1149 boolean tooLarge() { 1150 return this.tilesSpanned() > 10; 1151 } 1152 1153 boolean insane() { 1154 return this.tilesSpanned() > 100; 1155 } 1156 1157 double tilesSpanned() { 1158 return Math.sqrt(1.0 * this.size()); 1159 } 1160 1161 int size() { 1162 int x_span = x1 - x0 + 1; 1163 int y_span = y1 - y0 + 1; 1164 return x_span * y_span; 1165 } 1166 1167 /* 1168 * Get all tiles represented by this TileSet that are 1169 * already in the tileCache. 1170 */ 1171 List<Tile> allExistingTiles() { 1172 return this.__allTiles(false); 1173 } 1174 1175 List<Tile> allTilesCreate() { 1176 return this.__allTiles(true); 1177 } 1178 1179 private List<Tile> __allTiles(boolean create) { 1180 // Tileset is either empty or too large 1181 if (zoom == 0 || this.insane()) 1182 return Collections.emptyList(); 1183 List<Tile> ret = new ArrayList<Tile>(); 1184 for (int x = x0; x <= x1; x++) { 1185 for (int y = y0; y <= y1; y++) { 1186 Tile t; 1187 if (create) { 1188 t = getOrCreateTile(x % tileMax, y % tileMax, zoom); 1189 } else { 1190 t = getTile(x % tileMax, y % tileMax, zoom); 1191 } 1192 if (t != null) { 1193 ret.add(t); 1194 } 1195 } 1196 } 1197 return ret; 1198 } 1199 1200 private List<Tile> allLoadedTiles() { 1201 List<Tile> ret = new ArrayList<Tile>(); 1202 for (Tile t : this.allExistingTiles()) { 1203 if (t.isLoaded()) 1204 ret.add(t); 1205 } 1206 return ret; 1207 } 1208 1209 void loadAllTiles(boolean force) { 1210 if (!autoLoad && !force) 1211 return; 1212 for (Tile t : this.allTilesCreate()) { 1213 loadTile(t, false); 1214 } 1215 } 1216 1217 void loadAllErrorTiles(boolean force) { 1218 if (!autoLoad && !force) 1219 return; 1220 for (Tile t : this.allTilesCreate()) { 1221 if (t.hasError()) { 1222 loadTile(t, true); 1223 } 1224 } 1225 } 1226 } 1227 1228 1229 private static class TileSetInfo { 1230 public boolean hasVisibleTiles = false; 1231 public boolean hasOverzoomedTiles = false; 1232 public boolean hasLoadingTiles = false; 1233 } 1234 1235 private static TileSetInfo getTileSetInfo(TileSet ts) { 1236 List<Tile> allTiles = ts.allExistingTiles(); 1237 TileSetInfo result = new TileSetInfo(); 1238 result.hasLoadingTiles = allTiles.size() < ts.size(); 1239 for (Tile t : allTiles) { 1240 if (t.isLoaded()) { 1241 if (!t.hasError()) { 1242 result.hasVisibleTiles = true; 1243 } 1244 if ("no-tile".equals(t.getValue("tile-info"))) { 1245 result.hasOverzoomedTiles = true; 1246 } 1247 } else { 1248 result.hasLoadingTiles = true; 1249 } 1250 } 1251 return result; 1252 } 1253 1254 private class DeepTileSet { 1255 final EastNorth topLeft, botRight; 1256 final int minZoom, maxZoom; 1257 private final TileSet[] tileSets; 1258 private final TileSetInfo[] tileSetInfos; 1259 public DeepTileSet(EastNorth topLeft, EastNorth botRight, int minZoom, int maxZoom) { 1260 this.topLeft = topLeft; 1261 this.botRight = botRight; 1262 this.minZoom = minZoom; 1263 this.maxZoom = maxZoom; 1264 this.tileSets = new TileSet[maxZoom - minZoom + 1]; 1265 this.tileSetInfos = new TileSetInfo[maxZoom - minZoom + 1]; 1266 } 1267 public TileSet getTileSet(int zoom) { 1268 if (zoom < minZoom) 1269 return nullTileSet; 1270 TileSet ts = tileSets[zoom-minZoom]; 1271 if (ts == null) { 1272 ts = new TileSet(topLeft, botRight, zoom); 1273 tileSets[zoom-minZoom] = ts; 1274 } 1275 return ts; 1276 } 1277 public TileSetInfo getTileSetInfo(int zoom) { 1278 if (zoom < minZoom) 1279 return new TileSetInfo(); 1280 TileSetInfo tsi = tileSetInfos[zoom-minZoom]; 1281 if (tsi == null) { 1282 tsi = TMSLayer.getTileSetInfo(getTileSet(zoom)); 1283 tileSetInfos[zoom-minZoom] = tsi; 1284 } 1285 return tsi; 1286 } 1287 } 1288 1289 @Override 1290 public void paint(Graphics2D g, MapView mv, Bounds bounds) { 1291 //long start = System.currentTimeMillis(); 1292 EastNorth topLeft = mv.getEastNorth(0, 0); 1293 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1294 1295 if (botRight.east() == 0.0 || botRight.north() == 0) { 1296 /*Main.debug("still initializing??");*/ 1297 // probably still initializing 1298 return; 1299 } 1300 1301 needRedraw = false; 1302 1303 int zoom = currentZoomLevel; 1304 if (autoZoom) { 1305 double pixelScaling = getScaleFactor(zoom); 1306 if (pixelScaling > 3 || pixelScaling < 0.7) { 1307 zoom = getBestZoom(); 1308 } 1309 } 1310 1311 DeepTileSet dts = new DeepTileSet(topLeft, botRight, getMinZoomLvl(), zoom); 1312 TileSet ts = dts.getTileSet(zoom); 1313 1314 int displayZoomLevel = zoom; 1315 1316 boolean noTilesAtZoom = false; 1317 if (autoZoom && autoLoad) { 1318 // Auto-detection of tilesource maxzoom (currently fully works only for Bing) 1319 TileSetInfo tsi = dts.getTileSetInfo(zoom); 1320 if (!tsi.hasVisibleTiles && (!tsi.hasLoadingTiles || tsi.hasOverzoomedTiles)) { 1321 noTilesAtZoom = true; 1322 } 1323 // Find highest zoom level with at least one visible tile 1324 for (int tmpZoom = zoom; tmpZoom > dts.minZoom; tmpZoom--) { 1325 if (dts.getTileSetInfo(tmpZoom).hasVisibleTiles) { 1326 displayZoomLevel = tmpZoom; 1327 break; 1328 } 1329 } 1330 // Do binary search between currentZoomLevel and displayZoomLevel 1331 while (zoom > displayZoomLevel && !tsi.hasVisibleTiles && tsi.hasOverzoomedTiles){ 1332 zoom = (zoom + displayZoomLevel)/2; 1333 tsi = dts.getTileSetInfo(zoom); 1334 } 1335 1336 setZoomLevel(zoom); 1337 1338 // If all tiles at displayZoomLevel is loaded, load all tiles at next zoom level 1339 // to make sure there're really no more zoom levels 1340 if (zoom == displayZoomLevel && !tsi.hasLoadingTiles && zoom < dts.maxZoom) { 1341 zoom++; 1342 tsi = dts.getTileSetInfo(zoom); 1343 } 1344 // When we have overzoomed tiles and all tiles at current zoomlevel is loaded, 1345 // load tiles at previovus zoomlevels until we have all tiles on screen is loaded. 1346 while (zoom > dts.minZoom && tsi.hasOverzoomedTiles && !tsi.hasLoadingTiles) { 1347 zoom--; 1348 tsi = dts.getTileSetInfo(zoom); 1349 } 1350 ts = dts.getTileSet(zoom); 1351 } else if (autoZoom) { 1352 setZoomLevel(zoom); 1353 } 1354 1355 // Too many tiles... refuse to download 1356 if (!ts.tooLarge()) { 1357 //Main.debug("size: " + ts.size() + " spanned: " + ts.tilesSpanned()); 1358 ts.loadAllTiles(false); 1359 } 1360 1361 if (displayZoomLevel != zoom) { 1362 ts = dts.getTileSet(displayZoomLevel); 1363 } 1364 1365 g.setColor(Color.DARK_GRAY); 1366 1367 List<Tile> missedTiles = this.paintTileImages(g, ts, displayZoomLevel, null); 1368 int[] otherZooms = { -1, 1, -2, 2, -3, -4, -5}; 1369 for (int zoomOffset : otherZooms) { 1370 if (!autoZoom) { 1371 break; 1372 } 1373 int newzoom = displayZoomLevel + zoomOffset; 1374 if (newzoom < MIN_ZOOM) { 1375 continue; 1376 } 1377 if (missedTiles.size() <= 0) { 1378 break; 1379 } 1380 List<Tile> newlyMissedTiles = new LinkedList<Tile>(); 1381 for (Tile missed : missedTiles) { 1382 if ("no-tile".equals(missed.getValue("tile-info")) && zoomOffset > 0) { 1383 // Don't try to paint from higher zoom levels when tile is overzoomed 1384 newlyMissedTiles.add(missed); 1385 continue; 1386 } 1387 Tile t2 = tempCornerTile(missed); 1388 LatLon topLeft2 = tileLatLon(missed); 1389 LatLon botRight2 = tileLatLon(t2); 1390 TileSet ts2 = new TileSet(topLeft2, botRight2, newzoom); 1391 // Instantiating large TileSets is expensive. If there 1392 // are no loaded tiles, don't bother even trying. 1393 if (ts2.allLoadedTiles().isEmpty()) { 1394 newlyMissedTiles.add(missed); 1395 continue; 1396 } 1397 if (ts2.tooLarge()) { 1398 continue; 1399 } 1400 newlyMissedTiles.addAll(this.paintTileImages(g, ts2, newzoom, missed)); 1401 } 1402 missedTiles = newlyMissedTiles; 1403 } 1404 /*if (debug && missedTiles.size() > 0) { 1405 Main.debug("still missed "+missedTiles.size()+" in the end"); 1406 }*/ 1407 g.setColor(Color.red); 1408 g.setFont(InfoFont); 1409 1410 // The current zoom tileset should have all of its tiles 1411 // due to the loadAllTiles(), unless it to tooLarge() 1412 for (Tile t : ts.allExistingTiles()) { 1413 this.paintTileText(ts, t, g, mv, displayZoomLevel, t); 1414 } 1415 1416 attribution.paintAttribution(g, mv.getWidth(), mv.getHeight(), getShiftedCoord(topLeft), getShiftedCoord(botRight), displayZoomLevel, this); 1417 1418 //g.drawString("currentZoomLevel=" + currentZoomLevel, 120, 120); 1419 g.setColor(Color.lightGray); 1420 if (!autoZoom) { 1421 if (ts.insane()) { 1422 myDrawString(g, tr("zoom in to load any tiles"), 120, 120); 1423 } else if (ts.tooLarge()) { 1424 myDrawString(g, tr("zoom in to load more tiles"), 120, 120); 1425 } else if (ts.tooSmall()) { 1426 myDrawString(g, tr("increase zoom level to see more detail"), 120, 120); 1427 } 1428 } 1429 if (noTilesAtZoom) { 1430 myDrawString(g, tr("No tiles at this zoom level"), 120, 120); 1431 } 1432 /*if (debug) { 1433 myDrawString(g, tr("Current zoom: {0}", currentZoomLevel), 50, 140); 1434 myDrawString(g, tr("Display zoom: {0}", displayZoomLevel), 50, 155); 1435 myDrawString(g, tr("Pixel scale: {0}", getScaleFactor(currentZoomLevel)), 50, 170); 1436 myDrawString(g, tr("Best zoom: {0}", Math.log(getScaleFactor(1))/Math.log(2)/2+1), 50, 185); 1437 }*/ 1438 } 1439 1440 /** 1441 * This isn't very efficient, but it is only used when the 1442 * user right-clicks on the map. 1443 */ 1444 Tile getTileForPixelpos(int px, int py) { 1445 /*if (debug) { 1446 Main.debug("getTileForPixelpos("+px+", "+py+")"); 1447 }*/ 1448 MapView mv = Main.map.mapView; 1449 Point clicked = new Point(px, py); 1450 EastNorth topLeft = mv.getEastNorth(0, 0); 1451 EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight()); 1452 int z = currentZoomLevel; 1453 TileSet ts = new TileSet(topLeft, botRight, z); 1454 1455 if (!ts.tooLarge()) { 1456 ts.loadAllTiles(false); // make sure there are tile objects for all tiles 1457 } 1458 Tile clickedTile = null; 1459 for (Tile t1 : ts.allExistingTiles()) { 1460 Tile t2 = tempCornerTile(t1); 1461 Rectangle r = new Rectangle(pixelPos(t1)); 1462 r.add(pixelPos(t2)); 1463 /*if (debug) { 1464 Main.debug("r: " + r + " clicked: " + clicked); 1465 }*/ 1466 if (!r.contains(clicked)) { 1467 continue; 1468 } 1469 clickedTile = t1; 1470 break; 1471 } 1472 if (clickedTile == null) 1473 return null; 1474 /*Main.debug("Clicked on tile: " + clickedTile.getXtile() + " " + clickedTile.getYtile() + 1475 " currentZoomLevel: " + currentZoomLevel);*/ 1476 return clickedTile; 1477 } 1478 1479 @Override 1480 public Action[] getMenuEntries() { 1481 return new Action[] { 1482 LayerListDialog.getInstance().createShowHideLayerAction(), 1483 LayerListDialog.getInstance().createDeleteLayerAction(), 1484 SeparatorLayerAction.INSTANCE, 1485 // color, 1486 new OffsetAction(), 1487 new RenameLayerAction(this.getAssociatedFile(), this), 1488 SeparatorLayerAction.INSTANCE, 1489 new LayerListPopup.InfoAction(this) }; 1490 } 1491 1492 @Override 1493 public String getToolTipText() { 1494 return tr("TMS layer ({0}), downloading in zoom {1}", getName(), currentZoomLevel); 1495 } 1496 1497 @Override 1498 public void visitBoundingBox(BoundingXYVisitor v) { 1499 } 1500 1501 @Override 1502 public boolean isChanged() { 1503 return needRedraw; 1504 } 1505 1506 @Override 1507 public boolean isProjectionSupported(Projection proj) { 1508 return "EPSG:3857".equals(proj.toCode()) || "EPSG:4326".equals(proj.toCode()); 1509 } 1510 1511 @Override 1512 public String nameSupportedProjections() { 1513 return tr("EPSG:4326 and Mercator projection are supported"); 1514 } 1515}