Bug fix for the map's "outside" property that wasn't handled properly.

Added support for the new "colorfilter" map property. Due to Java2D
having no correct color filter support, only the "blackXX" values can be
previwed. "bw" and "invert" cannot, the performance cost was simply way
too high.

hacked-libtiled/tiled/view/MapRenderer.java

@@ -30,6 +30,7 @@ package tiled.view;
 import tiled.core.TileLayer;
 
 import java.awt.*;
+import java.awt.image.BufferedImageOp;
 
 /**
  * An interface defining methods to render a map.
@@ -50,5 +51,5 @@ public interface MapRenderer
      * @param g     the graphics context to paint to
      * @param layer the layer to paint
      */
-    public void paintTileLayer(Graphics2D g, TileLayer layer);
+    public void paintTileLayer(Graphics2D g, TileLayer layer, BufferedImageOp filter);
 }