code: @Override
  	public void setSize(ISize size)
  	{
  		//UIImage for itemStack have a fixed 16*16 size
  		if (itemStack != null)
  			size = ITEMSTACK_SIZE;
  		super.setSize(size);
  	}
docs: Sets the size for this {@link UIImage}.<br>
  Has no effect if rendering an {@link ItemStack}.
  
  @param size the new size