Merge "Return NPE instead of ISE if page is closed."

         */

        public void render(@NonNull Bitmap destination, @Nullable Rect destClip,

                           @Nullable Matrix transform, @RenderMode int renderMode) {

            throwIfClosed();

            if (mNativePage == 0) {

                throw new NullPointerException();

            }

            destination = Preconditions.checkNotNull(destination, "bitmap null");