code: protected void createVolatileImage ()
      {
          // release any previous volatile image we might hold
          if (_image != null) {
              _image.flush();
          }
  
          // create a new, compatible, volatile image
  //         _image = _imgr.createVolatileImage(
  //             _bounds.width, _bounds.height, getTransparency());
          _image = _imgr.createImage(
              _bounds.width, _bounds.height, getTransparency());
  
          // render our source image into the volatile image
          refreshVolatileImage();
      }
docs: Creates our volatile image from the information in our source
  image.