001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui; 003 004import java.awt.AlphaComposite; 005import java.awt.Color; 006import java.awt.Dimension; 007import java.awt.Graphics; 008import java.awt.Graphics2D; 009import java.awt.Point; 010import java.awt.Rectangle; 011import java.awt.Shape; 012import java.awt.event.ComponentAdapter; 013import java.awt.event.ComponentEvent; 014import java.awt.event.KeyEvent; 015import java.awt.event.MouseAdapter; 016import java.awt.event.MouseEvent; 017import java.awt.event.MouseMotionListener; 018import java.awt.geom.AffineTransform; 019import java.awt.geom.Area; 020import java.awt.image.BufferedImage; 021import java.beans.PropertyChangeEvent; 022import java.beans.PropertyChangeListener; 023import java.util.ArrayList; 024import java.util.Arrays; 025import java.util.Collections; 026import java.util.HashMap; 027import java.util.IdentityHashMap; 028import java.util.LinkedHashSet; 029import java.util.List; 030import java.util.Set; 031import java.util.concurrent.CopyOnWriteArrayList; 032import java.util.concurrent.atomic.AtomicBoolean; 033import java.util.stream.Collectors; 034 035import javax.swing.AbstractButton; 036import javax.swing.JComponent; 037import javax.swing.SwingUtilities; 038 039import org.openstreetmap.josm.actions.mapmode.MapMode; 040import org.openstreetmap.josm.data.Bounds; 041import org.openstreetmap.josm.data.ProjectionBounds; 042import org.openstreetmap.josm.data.ViewportData; 043import org.openstreetmap.josm.data.coor.EastNorth; 044import org.openstreetmap.josm.data.osm.DataSelectionListener; 045import org.openstreetmap.josm.data.osm.event.SelectionEventManager; 046import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors; 047import org.openstreetmap.josm.data.osm.visitor.paint.Rendering; 048import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache; 049import org.openstreetmap.josm.data.projection.ProjectionRegistry; 050import org.openstreetmap.josm.gui.MapViewState.MapViewRectangle; 051import org.openstreetmap.josm.gui.autofilter.AutoFilterManager; 052import org.openstreetmap.josm.gui.datatransfer.OsmTransferHandler; 053import org.openstreetmap.josm.gui.layer.Layer; 054import org.openstreetmap.josm.gui.layer.LayerManager; 055import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent; 056import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent; 057import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent; 058import org.openstreetmap.josm.gui.layer.MainLayerManager; 059import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent; 060import org.openstreetmap.josm.gui.layer.MapViewGraphics; 061import org.openstreetmap.josm.gui.layer.MapViewPaintable; 062import org.openstreetmap.josm.gui.layer.MapViewPaintable.LayerPainter; 063import org.openstreetmap.josm.gui.layer.MapViewPaintable.MapViewEvent; 064import org.openstreetmap.josm.gui.layer.MapViewPaintable.PaintableInvalidationEvent; 065import org.openstreetmap.josm.gui.layer.MapViewPaintable.PaintableInvalidationListener; 066import org.openstreetmap.josm.gui.layer.OsmDataLayer; 067import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker; 068import org.openstreetmap.josm.gui.mappaint.MapPaintStyles; 069import org.openstreetmap.josm.gui.mappaint.MapPaintStyles.MapPaintSylesUpdateListener; 070import org.openstreetmap.josm.gui.util.GuiHelper; 071import org.openstreetmap.josm.io.audio.AudioPlayer; 072import org.openstreetmap.josm.spi.preferences.Config; 073import org.openstreetmap.josm.spi.preferences.PreferenceChangeEvent; 074import org.openstreetmap.josm.spi.preferences.PreferenceChangedListener; 075import org.openstreetmap.josm.tools.JosmRuntimeException; 076import org.openstreetmap.josm.tools.Logging; 077import org.openstreetmap.josm.tools.Shortcut; 078import org.openstreetmap.josm.tools.bugreport.BugReport; 079 080/** 081 * This is a component used in the {@link MapFrame} for browsing the map. It use is to 082 * provide the MapMode's enough capabilities to operate.<br><br> 083 * 084 * {@code MapView} holds meta-data about the data set currently displayed, as scale level, 085 * center point viewed, what scrolling mode or editing mode is selected or with 086 * what projection the map is viewed etc..<br><br> 087 * 088 * {@code MapView} is able to administrate several layers. 089 * 090 * @author imi 091 */ 092public class MapView extends NavigatableComponent 093implements PropertyChangeListener, PreferenceChangedListener, 094LayerManager.LayerChangeListener, MainLayerManager.ActiveLayerChangeListener { 095 096 static { 097 MapPaintStyles.addMapPaintSylesUpdateListener(new MapPaintSylesUpdateListener() { 098 @Override 099 public void mapPaintStylesUpdated() { 100 SwingUtilities.invokeLater(() -> 101 // Trigger a repaint of all data layers 102 MainApplication.getLayerManager().getLayers() 103 .stream() 104 .filter(layer -> layer instanceof OsmDataLayer) 105 .forEach(Layer::invalidate) 106 ); 107 } 108 109 @Override 110 public void mapPaintStyleEntryUpdated(int index) { 111 mapPaintStylesUpdated(); 112 } 113 }); 114 } 115 116 /** 117 * An invalidation listener that simply calls repaint() for now. 118 * @author Michael Zangl 119 * @since 10271 120 */ 121 private class LayerInvalidatedListener implements PaintableInvalidationListener { 122 private boolean ignoreRepaint; 123 124 private final Set<MapViewPaintable> invalidatedLayers = Collections.newSetFromMap(new IdentityHashMap<MapViewPaintable, Boolean>()); 125 126 @Override 127 public void paintableInvalidated(PaintableInvalidationEvent event) { 128 invalidate(event.getLayer()); 129 } 130 131 /** 132 * Invalidate contents and repaint map view 133 * @param mapViewPaintable invalidated layer 134 */ 135 public synchronized void invalidate(MapViewPaintable mapViewPaintable) { 136 ignoreRepaint = true; 137 invalidatedLayers.add(mapViewPaintable); 138 repaint(); 139 } 140 141 /** 142 * Temporary until all {@link MapViewPaintable}s support this. 143 * @param p The paintable. 144 */ 145 public synchronized void addTo(MapViewPaintable p) { 146 p.addInvalidationListener(this); 147 } 148 149 /** 150 * Temporary until all {@link MapViewPaintable}s support this. 151 * @param p The paintable. 152 */ 153 public synchronized void removeFrom(MapViewPaintable p) { 154 p.removeInvalidationListener(this); 155 invalidatedLayers.remove(p); 156 } 157 158 /** 159 * Attempts to trace repaints that did not originate from this listener. Good to find missed {@link MapView#repaint()}s in code. 160 */ 161 protected synchronized void traceRandomRepaint() { 162 if (!ignoreRepaint) { 163 Logging.trace("Repaint: {0} from {1}", Thread.currentThread().getStackTrace()[3], Thread.currentThread()); 164 } 165 ignoreRepaint = false; 166 } 167 168 /** 169 * Retrieves a set of all layers that have been marked as invalid since the last call to this method. 170 * @return The layers 171 */ 172 protected synchronized Set<MapViewPaintable> collectInvalidatedLayers() { 173 Set<MapViewPaintable> layers = Collections.newSetFromMap(new IdentityHashMap<MapViewPaintable, Boolean>()); 174 layers.addAll(invalidatedLayers); 175 invalidatedLayers.clear(); 176 return layers; 177 } 178 } 179 180 /** 181 * A layer painter that issues a warning when being called. 182 * @author Michael Zangl 183 * @since 10474 184 */ 185 private static class WarningLayerPainter implements LayerPainter { 186 boolean warningPrinted; 187 private final Layer layer; 188 189 WarningLayerPainter(Layer layer) { 190 this.layer = layer; 191 } 192 193 @Override 194 public void paint(MapViewGraphics graphics) { 195 if (!warningPrinted) { 196 Logging.debug("A layer triggered a repaint while being added: " + layer); 197 warningPrinted = true; 198 } 199 } 200 201 @Override 202 public void detachFromMapView(MapViewEvent event) { 203 // ignored 204 } 205 } 206 207 /** 208 * A list of all layers currently loaded. If we support multiple map views, this list may be different for each of them. 209 */ 210 private final MainLayerManager layerManager; 211 212 /** 213 * The play head marker: there is only one of these so it isn't in any specific layer 214 */ 215 public transient PlayHeadMarker playHeadMarker; 216 217 /** 218 * The last event performed by mouse. 219 */ 220 public MouseEvent lastMEvent = new MouseEvent(this, 0, 0, 0, 0, 0, 0, false); // In case somebody reads it before first mouse move 221 222 /** 223 * Temporary layers (selection rectangle, etc.) that are never cached and 224 * drawn on top of regular layers. 225 * Access must be synchronized. 226 */ 227 private final transient Set<MapViewPaintable> temporaryLayers = new LinkedHashSet<>(); 228 229 private transient BufferedImage nonChangedLayersBuffer; 230 private transient BufferedImage offscreenBuffer; 231 // Layers that wasn't changed since last paint 232 private final transient List<Layer> nonChangedLayers = new ArrayList<>(); 233 private int lastViewID; 234 private final AtomicBoolean paintPreferencesChanged = new AtomicBoolean(true); 235 private Rectangle lastClipBounds = new Rectangle(); 236 private transient MapMover mapMover; 237 238 /** 239 * The listener that listens to invalidations of all layers. 240 */ 241 private final LayerInvalidatedListener invalidatedListener = new LayerInvalidatedListener(); 242 243 /** 244 * This is a map of all Layers that have been added to this view. 245 */ 246 private final HashMap<Layer, LayerPainter> registeredLayers = new HashMap<>(); 247 248 /** 249 * Constructs a new {@code MapView}. 250 * @param layerManager The layers to display. 251 * @param viewportData the initial viewport of the map. Can be null, then 252 * the viewport is derived from the layer data. 253 * @since 11713 254 */ 255 public MapView(MainLayerManager layerManager, final ViewportData viewportData) { 256 this.layerManager = layerManager; 257 initialViewport = viewportData; 258 layerManager.addAndFireLayerChangeListener(this); 259 layerManager.addActiveLayerChangeListener(this); 260 Config.getPref().addPreferenceChangeListener(this); 261 262 addComponentListener(new ComponentAdapter() { 263 @Override 264 public void componentResized(ComponentEvent e) { 265 removeComponentListener(this); 266 mapMover = new MapMover(MapView.this); 267 } 268 }); 269 270 // listens to selection changes to redraw the map 271 SelectionEventManager.getInstance().addSelectionListenerForEdt(repaintSelectionChangedListener); 272 273 //store the last mouse action 274 this.addMouseMotionListener(new MouseMotionListener() { 275 @Override 276 public void mouseDragged(MouseEvent e) { 277 mouseMoved(e); 278 } 279 280 @Override 281 public void mouseMoved(MouseEvent e) { 282 lastMEvent = e; 283 } 284 }); 285 this.addMouseListener(new MouseAdapter() { 286 @Override 287 public void mousePressed(MouseEvent me) { 288 // focus the MapView component when mouse is pressed inside it 289 requestFocus(); 290 } 291 }); 292 293 setFocusTraversalKeysEnabled(!Shortcut.findShortcut(KeyEvent.VK_TAB, 0).isPresent()); 294 295 for (JComponent c : getMapNavigationComponents(this)) { 296 add(c); 297 } 298 if (AutoFilterManager.PROP_AUTO_FILTER_ENABLED.get()) { 299 AutoFilterManager.getInstance().enableAutoFilterRule(AutoFilterManager.PROP_AUTO_FILTER_RULE.get()); 300 } 301 setTransferHandler(new OsmTransferHandler()); 302 } 303 304 /** 305 * Adds the map navigation components to a 306 * @param forMapView The map view to get the components for. 307 * @return A list containing the correctly positioned map navigation components. 308 */ 309 public static List<? extends JComponent> getMapNavigationComponents(MapView forMapView) { 310 MapSlider zoomSlider = new MapSlider(forMapView); 311 Dimension size = zoomSlider.getPreferredSize(); 312 zoomSlider.setSize(size); 313 zoomSlider.setLocation(3, 0); 314 zoomSlider.setFocusTraversalKeysEnabled(!Shortcut.findShortcut(KeyEvent.VK_TAB, 0).isPresent()); 315 316 MapScaler scaler = new MapScaler(forMapView); 317 scaler.setPreferredLineLength(size.width - 10); 318 scaler.setSize(scaler.getPreferredSize()); 319 scaler.setLocation(3, size.height); 320 321 return Arrays.asList(zoomSlider, scaler); 322 } 323 324 // remebered geometry of the component 325 private Dimension oldSize; 326 private Point oldLoc; 327 328 /** 329 * Call this method to keep map position on screen during next repaint 330 */ 331 public void rememberLastPositionOnScreen() { 332 oldSize = getSize(); 333 oldLoc = getLocationOnScreen(); 334 } 335 336 @Override 337 public void layerAdded(LayerAddEvent e) { 338 try { 339 Layer layer = e.getAddedLayer(); 340 registeredLayers.put(layer, new WarningLayerPainter(layer)); 341 // Layers may trigger a redraw during this call if they open dialogs. 342 LayerPainter painter = layer.attachToMapView(new MapViewEvent(this, false)); 343 if (!registeredLayers.containsKey(layer)) { 344 // The layer may have removed itself during attachToMapView() 345 Logging.warn("Layer was removed during attachToMapView()"); 346 } else { 347 registeredLayers.put(layer, painter); 348 349 if (e.isZoomRequired()) { 350 ProjectionBounds viewProjectionBounds = layer.getViewProjectionBounds(); 351 if (viewProjectionBounds != null) { 352 scheduleZoomTo(new ViewportData(viewProjectionBounds)); 353 } 354 } 355 356 layer.addPropertyChangeListener(this); 357 ProjectionRegistry.addProjectionChangeListener(layer); 358 invalidatedListener.addTo(layer); 359 AudioPlayer.reset(); 360 361 repaint(); 362 } 363 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException t) { 364 throw BugReport.intercept(t).put("layer", e.getAddedLayer()); 365 } 366 } 367 368 /** 369 * Replies true if the active data layer (edit layer) is drawable. 370 * 371 * @return true if the active data layer (edit layer) is drawable, false otherwise 372 */ 373 public boolean isActiveLayerDrawable() { 374 return layerManager.getEditLayer() != null; 375 } 376 377 /** 378 * Replies true if the active data layer is visible. 379 * 380 * @return true if the active data layer is visible, false otherwise 381 */ 382 public boolean isActiveLayerVisible() { 383 OsmDataLayer e = layerManager.getActiveDataLayer(); 384 return e != null && e.isVisible(); 385 } 386 387 @Override 388 public void layerRemoving(LayerRemoveEvent e) { 389 Layer layer = e.getRemovedLayer(); 390 391 LayerPainter painter = registeredLayers.remove(layer); 392 if (painter == null) { 393 Logging.error("The painter for layer " + layer + " was not registered."); 394 return; 395 } 396 painter.detachFromMapView(new MapViewEvent(this, false)); 397 ProjectionRegistry.removeProjectionChangeListener(layer); 398 layer.removePropertyChangeListener(this); 399 invalidatedListener.removeFrom(layer); 400 layer.destroy(); 401 AudioPlayer.reset(); 402 403 repaint(); 404 } 405 406 private boolean virtualNodesEnabled; 407 408 /** 409 * Enables or disables drawing of the virtual nodes. 410 * @param enabled if virtual nodes are enabled 411 */ 412 public void setVirtualNodesEnabled(boolean enabled) { 413 if (virtualNodesEnabled != enabled) { 414 virtualNodesEnabled = enabled; 415 repaint(); 416 } 417 } 418 419 /** 420 * Checks if virtual nodes should be drawn. Default is <code>false</code> 421 * @return The virtual nodes property. 422 * @see Rendering#render 423 */ 424 public boolean isVirtualNodesEnabled() { 425 return virtualNodesEnabled; 426 } 427 428 /** 429 * Moves the layer to the given new position. No event is fired, but repaints 430 * according to the new Z-Order of the layers. 431 * 432 * @param layer The layer to move 433 * @param pos The new position of the layer 434 */ 435 public void moveLayer(Layer layer, int pos) { 436 layerManager.moveLayer(layer, pos); 437 } 438 439 @Override 440 public void layerOrderChanged(LayerOrderChangeEvent e) { 441 AudioPlayer.reset(); 442 repaint(); 443 } 444 445 /** 446 * Paints the given layer to the graphics object, using the current state of this map view. 447 * @param layer The layer to draw. 448 * @param g A graphics object. It should have the width and height of this component 449 * @throws IllegalArgumentException If the layer is not part of this map view. 450 * @since 11226 451 */ 452 public void paintLayer(Layer layer, Graphics2D g) { 453 try { 454 LayerPainter painter = registeredLayers.get(layer); 455 if (painter == null) { 456 Logging.warn("Cannot paint layer, it is not registered: {0}", layer); 457 return; 458 } 459 MapViewRectangle clipBounds = getState().getViewArea(g.getClipBounds()); 460 MapViewGraphics paintGraphics = new MapViewGraphics(this, g, clipBounds); 461 462 if (layer.getOpacity() < 1) { 463 g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) layer.getOpacity())); 464 } 465 painter.paint(paintGraphics); 466 g.setPaintMode(); 467 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException t) { 468 BugReport.intercept(t).put("layer", layer).warn(); 469 } 470 } 471 472 /** 473 * Draw the component. 474 */ 475 @Override 476 public void paint(Graphics g) { 477 try { 478 if (!prepareToDraw()) { 479 return; 480 } 481 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) { 482 BugReport.intercept(e).put("center", this::getCenter).warn(); 483 return; 484 } 485 486 try { 487 drawMapContent((Graphics2D) g); 488 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) { 489 throw BugReport.intercept(e).put("visibleLayers", layerManager::getVisibleLayersInZOrder) 490 .put("temporaryLayers", temporaryLayers); 491 } 492 super.paint(g); 493 } 494 495 private void drawMapContent(Graphics2D g) { 496 // In HiDPI-mode, the Graphics g will have a transform that scales 497 // everything by a factor of 2.0 or so. At the same time, the value returned 498 // by getWidth()/getHeight will be reduced by that factor. 499 // 500 // This would work as intended, if we were to draw directly on g. But 501 // with a temporary buffer image, we need to move the scale transform to 502 // the Graphics of the buffer image and (in the end) transfer the content 503 // of the temporary buffer pixel by pixel onto g, without scaling. 504 // (Otherwise, we would upscale a small buffer image and the result would be 505 // blurry, with 2x2 pixel blocks.) 506 AffineTransform trOrig = g.getTransform(); 507 double uiScaleX = g.getTransform().getScaleX(); 508 double uiScaleY = g.getTransform().getScaleY(); 509 // width/height in full-resolution screen pixels 510 int width = (int) Math.round(getWidth() * uiScaleX); 511 int height = (int) Math.round(getHeight() * uiScaleY); 512 // This transformation corresponds to the original transformation of g, 513 // except for the translation part. It will be applied to the temporary 514 // buffer images. 515 AffineTransform trDef = AffineTransform.getScaleInstance(uiScaleX, uiScaleY); 516 // The goal is to create the temporary image at full pixel resolution, 517 // so scale up the clip shape 518 Shape scaledClip = trDef.createTransformedShape(g.getClip()); 519 520 List<Layer> visibleLayers = layerManager.getVisibleLayersInZOrder(); 521 522 int nonChangedLayersCount = 0; 523 Set<MapViewPaintable> invalidated = invalidatedListener.collectInvalidatedLayers(); 524 for (Layer l: visibleLayers) { 525 if (invalidated.contains(l)) { 526 break; 527 } else { 528 nonChangedLayersCount++; 529 } 530 } 531 532 boolean canUseBuffer = !paintPreferencesChanged.getAndSet(false) 533 && nonChangedLayers.size() <= nonChangedLayersCount 534 && lastViewID == getViewID() 535 && lastClipBounds.contains(g.getClipBounds()) 536 && nonChangedLayers.equals(visibleLayers.subList(0, nonChangedLayers.size())); 537 538 if (null == offscreenBuffer || offscreenBuffer.getWidth() != width || offscreenBuffer.getHeight() != height) { 539 offscreenBuffer = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR); 540 } 541 542 if (!canUseBuffer || nonChangedLayersBuffer == null) { 543 if (null == nonChangedLayersBuffer 544 || nonChangedLayersBuffer.getWidth() != width || nonChangedLayersBuffer.getHeight() != height) { 545 nonChangedLayersBuffer = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR); 546 } 547 Graphics2D g2 = nonChangedLayersBuffer.createGraphics(); 548 g2.setClip(scaledClip); 549 g2.setTransform(trDef); 550 g2.setColor(PaintColors.getBackgroundColor()); 551 g2.fillRect(0, 0, width, height); 552 553 for (int i = 0; i < nonChangedLayersCount; i++) { 554 paintLayer(visibleLayers.get(i), g2); 555 } 556 } else { 557 // Maybe there were more unchanged layers then last time - draw them to buffer 558 if (nonChangedLayers.size() != nonChangedLayersCount) { 559 Graphics2D g2 = nonChangedLayersBuffer.createGraphics(); 560 g2.setClip(scaledClip); 561 g2.setTransform(trDef); 562 for (int i = nonChangedLayers.size(); i < nonChangedLayersCount; i++) { 563 paintLayer(visibleLayers.get(i), g2); 564 } 565 } 566 } 567 568 nonChangedLayers.clear(); 569 nonChangedLayers.addAll(visibleLayers.subList(0, nonChangedLayersCount)); 570 lastViewID = getViewID(); 571 lastClipBounds = g.getClipBounds(); 572 573 Graphics2D tempG = offscreenBuffer.createGraphics(); 574 tempG.setClip(scaledClip); 575 tempG.setTransform(new AffineTransform()); 576 tempG.drawImage(nonChangedLayersBuffer, 0, 0, null); 577 tempG.setTransform(trDef); 578 579 for (int i = nonChangedLayersCount; i < visibleLayers.size(); i++) { 580 paintLayer(visibleLayers.get(i), tempG); 581 } 582 583 try { 584 drawTemporaryLayers(tempG, getLatLonBounds(new Rectangle( 585 (int) Math.round(g.getClipBounds().x * uiScaleX), 586 (int) Math.round(g.getClipBounds().y * uiScaleY)))); 587 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) { 588 BugReport.intercept(e).put("temporaryLayers", temporaryLayers).warn(); 589 } 590 591 // draw world borders 592 try { 593 drawWorldBorders(tempG); 594 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) { 595 // getProjection() needs to be inside lambda to catch errors. 596 BugReport.intercept(e).put("bounds", () -> getProjection().getWorldBoundsLatLon()).warn(); 597 } 598 599 MapFrame map = MainApplication.getMap(); 600 if (AutoFilterManager.getInstance().getCurrentAutoFilter() != null) { 601 AutoFilterManager.getInstance().drawOSDText(tempG); 602 } else if (MainApplication.isDisplayingMapView() && map.filterDialog != null) { 603 map.filterDialog.drawOSDText(tempG); 604 } 605 606 if (playHeadMarker != null) { 607 playHeadMarker.paint(tempG, this); 608 } 609 610 try { 611 g.setTransform(new AffineTransform(1, 0, 0, 1, trOrig.getTranslateX(), trOrig.getTranslateY())); 612 g.drawImage(offscreenBuffer, 0, 0, null); 613 } catch (ClassCastException e) { 614 // See #11002 and duplicate tickets. On Linux with Java >= 8 Many users face this error here: 615 // 616 // java.lang.ClassCastException: sun.awt.image.BufImgSurfaceData cannot be cast to sun.java2d.xr.XRSurfaceData 617 // at sun.java2d.xr.XRPMBlitLoops.cacheToTmpSurface(XRPMBlitLoops.java:145) 618 // at sun.java2d.xr.XrSwToPMBlit.Blit(XRPMBlitLoops.java:353) 619 // at sun.java2d.pipe.DrawImage.blitSurfaceData(DrawImage.java:959) 620 // at sun.java2d.pipe.DrawImage.renderImageCopy(DrawImage.java:577) 621 // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:67) 622 // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:1014) 623 // at sun.java2d.pipe.ValidatePipe.copyImage(ValidatePipe.java:186) 624 // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3318) 625 // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3296) 626 // at org.openstreetmap.josm.gui.MapView.paint(MapView.java:834) 627 // 628 // It seems to be this JDK bug, but Oracle does not seem to be fixing it: 629 // https://bugs.openjdk.java.net/browse/JDK-7172749 630 // 631 // According to bug reports it can happen for a variety of reasons such as: 632 // - long period of time 633 // - change of screen resolution 634 // - addition/removal of a secondary monitor 635 // 636 // But the application seems to work fine after, so let's just log the error 637 Logging.error(e); 638 } finally { 639 g.setTransform(trOrig); 640 } 641 } 642 643 private void drawTemporaryLayers(Graphics2D tempG, Bounds box) { 644 synchronized (temporaryLayers) { 645 for (MapViewPaintable mvp : temporaryLayers) { 646 try { 647 mvp.paint(tempG, this, box); 648 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) { 649 throw BugReport.intercept(e).put("mvp", mvp); 650 } 651 } 652 } 653 } 654 655 private void drawWorldBorders(Graphics2D tempG) { 656 tempG.setColor(Color.WHITE); 657 Bounds b = getProjection().getWorldBoundsLatLon(); 658 659 int w = getWidth(); 660 int h = getHeight(); 661 662 // Work around OpenJDK having problems when drawing out of bounds 663 final Area border = getState().getArea(b); 664 // Make the viewport 1px larger in every direction to prevent an 665 // additional 1px border when zooming in 666 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2)); 667 border.intersect(viewport); 668 tempG.draw(border); 669 } 670 671 /** 672 * Sets up the viewport to prepare for drawing the view. 673 * @return <code>true</code> if the view can be drawn, <code>false</code> otherwise. 674 */ 675 public boolean prepareToDraw() { 676 updateLocationState(); 677 if (initialViewport != null) { 678 zoomTo(initialViewport); 679 initialViewport = null; 680 } 681 682 EastNorth oldCenter = getCenter(); 683 if (oldCenter == null) 684 return false; // no data loaded yet. 685 686 // if the position was remembered, we need to adjust center once before repainting 687 if (oldLoc != null && oldSize != null) { 688 Point l1 = getLocationOnScreen(); 689 final EastNorth newCenter = new EastNorth( 690 oldCenter.getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(), 691 oldCenter.getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale() 692 ); 693 oldLoc = null; oldSize = null; 694 zoomTo(newCenter); 695 } 696 697 return true; 698 } 699 700 @Override 701 public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) { 702 MapFrame map = MainApplication.getMap(); 703 if (map != null) { 704 /* This only makes the buttons look disabled. Disabling the actions as well requires 705 * the user to re-select the tool after i.e. moving a layer. While testing I found 706 * that I switch layers and actions at the same time and it was annoying to mind the 707 * order. This way it works as visual clue for new users */ 708 // FIXME: This does not belong here. 709 for (final AbstractButton b: map.allMapModeButtons) { 710 MapMode mode = (MapMode) b.getAction(); 711 final boolean activeLayerSupported = mode.layerIsSupported(layerManager.getActiveLayer()); 712 if (activeLayerSupported) { 713 MainApplication.registerActionShortcut(mode, mode.getShortcut()); //fix #6876 714 } else { 715 MainApplication.unregisterShortcut(mode.getShortcut()); 716 } 717 b.setEnabled(activeLayerSupported); 718 } 719 } 720 // invalidate repaint cache. The layer order may have changed by this, so we invalidate every layer 721 getLayerManager().getLayers().forEach(invalidatedListener::invalidate); 722 AudioPlayer.reset(); 723 } 724 725 /** 726 * Adds a new temporary layer. 727 * <p> 728 * A temporary layer is a layer that is painted above all normal layers. Layers are painted in the order they are added. 729 * 730 * @param mvp The layer to paint. 731 * @return <code>true</code> if the layer was added. 732 */ 733 public boolean addTemporaryLayer(MapViewPaintable mvp) { 734 synchronized (temporaryLayers) { 735 boolean added = temporaryLayers.add(mvp); 736 if (added) { 737 invalidatedListener.addTo(mvp); 738 } 739 repaint(); 740 return added; 741 } 742 } 743 744 /** 745 * Removes a layer previously added as temporary layer. 746 * @param mvp The layer to remove. 747 * @return <code>true</code> if that layer was removed. 748 */ 749 public boolean removeTemporaryLayer(MapViewPaintable mvp) { 750 synchronized (temporaryLayers) { 751 boolean removed = temporaryLayers.remove(mvp); 752 if (removed) { 753 invalidatedListener.removeFrom(mvp); 754 } 755 repaint(); 756 return removed; 757 } 758 } 759 760 /** 761 * Gets a list of temporary layers. 762 * @return The layers in the order they are added. 763 */ 764 public List<MapViewPaintable> getTemporaryLayers() { 765 synchronized (temporaryLayers) { 766 return Collections.unmodifiableList(new ArrayList<>(temporaryLayers)); 767 } 768 } 769 770 @Override 771 public void propertyChange(PropertyChangeEvent evt) { 772 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) { 773 repaint(); 774 } else if (evt.getPropertyName().equals(Layer.OPACITY_PROP) || 775 evt.getPropertyName().equals(Layer.FILTER_STATE_PROP)) { 776 Layer l = (Layer) evt.getSource(); 777 if (l.isVisible()) { 778 invalidatedListener.invalidate(l); 779 } 780 } 781 } 782 783 @Override 784 public void preferenceChanged(PreferenceChangeEvent e) { 785 paintPreferencesChanged.set(true); 786 } 787 788 private final transient DataSelectionListener repaintSelectionChangedListener = event -> repaint(); 789 790 /** 791 * Destroy this map view panel. Should be called once when it is not needed any more. 792 */ 793 public void destroy() { 794 layerManager.removeAndFireLayerChangeListener(this); 795 layerManager.removeActiveLayerChangeListener(this); 796 Config.getPref().removePreferenceChangeListener(this); 797 SelectionEventManager.getInstance().removeSelectionListener(repaintSelectionChangedListener); 798 MultipolygonCache.getInstance().clear(); 799 if (mapMover != null) { 800 mapMover.destroy(); 801 } 802 nonChangedLayers.clear(); 803 synchronized (temporaryLayers) { 804 temporaryLayers.clear(); 805 } 806 nonChangedLayersBuffer = null; 807 offscreenBuffer = null; 808 setTransferHandler(null); 809 GuiHelper.destroyComponents(this, false); 810 } 811 812 /** 813 * Get a string representation of all layers suitable for the {@code source} changeset tag. 814 * @return A String of sources separated by ';' 815 */ 816 public String getLayerInformationForSourceTag() { 817 return layerManager.getVisibleLayersInZOrder().stream() 818 .filter(layer -> layer.getChangesetSourceTag() != null && !layer.getChangesetSourceTag().trim().isEmpty()) 819 .map(layer -> layer.getChangesetSourceTag().trim()) 820 .distinct() 821 .collect(Collectors.joining("; ")); 822 } 823 824 /** 825 * This is a listener that gets informed whenever repaint is called for this MapView. 826 * <p> 827 * This is the only safe method to find changes to the map view, since many components call MapView.repaint() directly. 828 * @author Michael Zangl 829 * @since 10600 (functional interface) 830 */ 831 @FunctionalInterface 832 public interface RepaintListener { 833 /** 834 * Called when any repaint method is called (using default arguments if required). 835 * @param tm see {@link JComponent#repaint(long, int, int, int, int)} 836 * @param x see {@link JComponent#repaint(long, int, int, int, int)} 837 * @param y see {@link JComponent#repaint(long, int, int, int, int)} 838 * @param width see {@link JComponent#repaint(long, int, int, int, int)} 839 * @param height see {@link JComponent#repaint(long, int, int, int, int)} 840 */ 841 void repaint(long tm, int x, int y, int width, int height); 842 } 843 844 private final transient CopyOnWriteArrayList<RepaintListener> repaintListeners = new CopyOnWriteArrayList<>(); 845 846 /** 847 * Adds a listener that gets informed whenever repaint() is called for this class. 848 * @param l The listener. 849 */ 850 public void addRepaintListener(RepaintListener l) { 851 repaintListeners.add(l); 852 } 853 854 /** 855 * Removes a registered repaint listener. 856 * @param l The listener. 857 */ 858 public void removeRepaintListener(RepaintListener l) { 859 repaintListeners.remove(l); 860 } 861 862 @Override 863 public void repaint(long tm, int x, int y, int width, int height) { 864 // This is the main repaint method, all other methods are convenience methods and simply call this method. 865 // This is just an observation, not a must, but seems to be true for all implementations I found so far. 866 if (repaintListeners != null) { 867 // Might get called early in super constructor 868 for (RepaintListener l : repaintListeners) { 869 l.repaint(tm, x, y, width, height); 870 } 871 } 872 super.repaint(tm, x, y, width, height); 873 } 874 875 @Override 876 public void repaint() { 877 if (Logging.isTraceEnabled()) { 878 invalidatedListener.traceRandomRepaint(); 879 } 880 super.repaint(); 881 } 882 883 /** 884 * Returns the layer manager. 885 * @return the layer manager 886 * @since 10282 887 */ 888 public final MainLayerManager getLayerManager() { 889 return layerManager; 890 } 891 892 /** 893 * Schedule a zoom to the given position on the next redraw. 894 * Temporary, may be removed without warning. 895 * @param viewportData the viewport to zoom to 896 * @since 10394 897 */ 898 public void scheduleZoomTo(ViewportData viewportData) { 899 initialViewport = viewportData; 900 } 901 902 /** 903 * Returns the internal {@link MapMover}. 904 * @return the internal {@code MapMover} 905 * @since 13126 906 */ 907 public final MapMover getMapMover() { 908 return mapMover; 909 } 910}