diff -r 633572e14095 -r 088331d4cb76 javaquery/canvas/src/main/java/net/java/html/canvas/spi/GraphicsEnvironment.java
--- a/javaquery/canvas/src/main/java/net/java/html/canvas/spi/GraphicsEnvironment.java	Mon May 27 14:13:01 2013 +0200
+++ b/javaquery/canvas/src/main/java/net/java/html/canvas/spi/GraphicsEnvironment.java	Sat Sep 07 18:25:09 2013 +0200
@@ -90,7 +90,13 @@
 
     public Object drawImage(Image image, double sx, double sy, double sWidth, double sHeight, double x, double y, double width, double height, Object nativeImage);
 
-
+   
+    public int getWidth(Image image, Object nativeImage);
+    
+    public int getHeight(Image image, Object nativeImage);
+    
+    
+    
     /**
      * When implementing you can return an Object of your choice to enable
      * caching. Returning null means no caching. When caching is enabled, and
@@ -196,4 +202,6 @@
     public void setHeight(int height);
 
     public void setWidth(int width);
+
+    public Object mergeImages(Image a, Image b, Object cachedA, Object cachedB);
 }