private void disposeCache()
 {
     if (mCache != null)
     {
         mCache.getTexture().dispose();
         mCache.dispose();
         mCache = null;
     }
 }
 public override void dispose()
 {
     removeEventListener(AsEvent.FLATTEN, onFlatten);
     if (mImage != null)
     {
         mImage.getTexture().dispose();
     }
     if (mQuadBatch != null)
     {
         mQuadBatch.dispose();
     }
     base.dispose();
 }