add ITileDataSink.setTileImage(bitmap) to interface

vtm/src/org/oscim/layers/tile/vector/VectorTileLoader.java

@@ -18,6 +18,7 @@ package org.oscim.layers.tile.vector;
 
 import java.util.concurrent.CancellationException;
 
+import org.oscim.backend.canvas.Bitmap;
 import org.oscim.core.GeometryBuffer.GeometryType;
 import org.oscim.core.MapElement;
 import org.oscim.core.MercatorProjection;
@@ -463,4 +464,9 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
 	@Override
 	public void completed(boolean success) {
 	}
+
+	@Override
+	public void setTileImage(Bitmap bitmap) {
+
+	}
 }

vtm/src/org/oscim/tiling/source/ITileDataSink.java

@@ -16,6 +16,7 @@
  */
 package org.oscim.tiling.source;
 
+import org.oscim.backend.canvas.Bitmap;
 import org.oscim.core.MapElement;
 
 /**
@@ -28,5 +29,7 @@ public interface ITileDataSink {
 
 	void process(MapElement element);
 
+	void setTileImage(Bitmap bitmap);
+
 	void completed(boolean success);
 }