Changeset 13510 in josm for trunk/src/org/openstreetmap

Timestamp:

2018-03-07T20:52:38+01:00 (7 years ago)

Author:

wiktorn

Message:

Add caching of Tile Size.

getTileSize() was taking about 20% of ImageWarp.warp().

File:

• trunk/src/org/openstreetmap/josm/data/imagery/WMTSTileSource.java (modified) (3 diffs)

trunk/src/org/openstreetmap/josm/data/imagery/WMTSTileSource.java

@@ -102 +102 @@
         PATTERN_HEADER,
     };
+
+    private int cachedTileSize = -1;
 
     private static class TileMatrix {
@@ -733 +735 @@
     @Override
     public int getTileSize() {
+        if (cachedTileSize > 0) {
+            return cachedTileSize;
+        }
         if (tileProjection != null) {
             // no support for non-square tiles (tileHeight != tileWidth)
@@ -738 +743 @@
             Collection<Layer> projLayers = getLayers(null, tileProjection.toCode());
             if (!projLayers.isEmpty()) {
-                return projLayers.iterator().next().tileMatrixSet.tileMatrix.get(0).tileHeight;
+                cachedTileSize = projLayers.iterator().next().tileMatrixSet.tileMatrix.get(0).tileHeight;
+                return cachedTileSize;
             }
         }