Reuse existing canvases from vector render tiles

2020-01-08 10:42:34 +01:00
parent 5a8df1d4e2
commit 9f4dbd3c35
4 changed files with 27 additions and 4 deletions
--- a/src/ol/TileCache.js
+++ b/src/ol/TileCache.js
@@ -15,7 +15,7 @@ class TileCache extends LRUCache {
      if (tile.getKey() in usedTiles) {
        break;
      } else {
-        this.pop();
+        this.pop().release();
      }
    }
  }
@@ -33,6 +33,7 @@ class TileCache extends LRUCache {
    this.forEach(function(tile) {
      if (tile.tileCoord[0] !== z) {
        this.remove(getKey(tile.tileCoord));
+        tile.release();
      }
    }.bind(this));
  }