Changeset 3144 in josm

Timestamp:

2010-03-18T21:43:59+01:00 (15 years ago)

Author:

jttt

Message:

Fix #4740 Map view sometimes turns black

File:

• trunk/src/org/openstreetmap/josm/gui/MapView.java (modified) (3 diffs)

trunk/src/org/openstreetmap/josm/gui/MapView.java

@@ -187 +187 @@
     private int lastViewID;
     private boolean paintPreferencesChanged = true;
+    private Rectangle lastClipBounds = new Rectangle();
 
     public MapView() {
@@ -477 +478 @@
         }
 
-        boolean canUseBuffer = !paintPreferencesChanged && nonChangedLayers.size() <= nonChangedLayersCount && lastViewID == getViewID();
+        boolean canUseBuffer = !paintPreferencesChanged && nonChangedLayers.size() <= nonChangedLayersCount &&
+        lastViewID == getViewID() && lastClipBounds.contains(g.getClipBounds());
         if (canUseBuffer) {
             for (int i=0; i<nonChangedLayers.size(); i++) {
@@ -524 +526 @@
         lastViewID = getViewID();
         paintPreferencesChanged = false;
+        lastClipBounds = g.getClipBounds();
 
         tempG.drawImage(nonChangedLayersBuffer, 0, 0, null);