Changeset 15665 in josm

Timestamp:

2020-01-09T16:02:12+01:00 (5 years ago)

Author:

stoecker

Message:

prevent integer overflow with zoom level 23

File:

• trunk/src/org/openstreetmap/josm/tools/OsmUrlToBounds.java (modified) (1 diff)

trunk/src/org/openstreetmap/josm/tools/OsmUrlToBounds.java

@@ -226 +226 @@
     public static Bounds positionToBounds(final double lat, final double lon, final int zoom) {
         final Dimension screenSize = mapSize.get();
-        double scale = (1 << zoom) * TILE_SIZE_IN_PIXELS / (2 * Math.PI * Ellipsoid.WGS84.a);
+        double scale = (1L << zoom) * TILE_SIZE_IN_PIXELS / (2.0 * Math.PI * Ellipsoid.WGS84.a);
         double deltaX = screenSize.getWidth() / 2.0 / scale;
         double deltaY = screenSize.getHeight() / 2.0 / scale;