Changeset 15041 in josm for trunk/src/org/openstreetmap/josm/gui/MapView.java

Timestamp:

2019-05-03T15:27:07+02:00 (7 years ago)

Author:

Don-vip

Message:

performance - avoid to create the same EastNorth instances during mapview rendering

File:

• trunk/src/org/openstreetmap/josm/gui/MapView.java (modified) (2 diffs)

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

@@ -684 +684 @@
         }
 
-        if (getCenter() == null)
+        EastNorth oldCenter = getCenter();
+        if (oldCenter == null)
             return false; // no data loaded yet.
 
@@ -691 +692 @@
             Point l1 = getLocationOnScreen();
             final EastNorth newCenter = new EastNorth(
-                    getCenter().getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
-                    getCenter().getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
+                    oldCenter.getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
+                    oldCenter.getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
                     );
             oldLoc = null; oldSize = null;