--- a/src/main/java/com/glavsoft/rfb/encoding/decoder/AliceVNCMessage.java	Tue Sep 23 16:20:03 2014 +0900
+++ b/src/main/java/com/glavsoft/rfb/encoding/decoder/AliceVNCMessage.java	Tue Sep 23 16:21:11 2014 +0900
@@ -13,11 +13,14 @@
     public int width;
     public int height;
     public int encodingTypeId;
-    public byte[] unzip;
+    public byte[] buf;
     public int offset;
 
     public String name;
     
+    // use RichCursorDecoder
+    public byte[] bitmask;
+    
     // pixel format info
     public byte bitsPerPixel;
     public byte depth;
@@ -42,6 +45,14 @@
         encodingTypeId = rect.getEncodingType().getId();
     }
     
+    public FramebufferUpdateRectangle getFramebufferUpdateRectangle(){
+        FramebufferUpdateRectangle rect = 
+                new FramebufferUpdateRectangle(x, y, width, height);
+        rect.encodingType = EncodingType.byId(encodingTypeId);
+        
+        return rect;
+    }
+    
     public EncodingType getEncodingType() {
         return EncodingType.byId(encodingTypeId);
     }