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(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Franois Pessaux, projet Cristal, INRIA Rocquencourt *)
(* Pierre Weis, projet Cristal, INRIA Rocquencourt *)
(* Jun Furuse, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1999,2000,2001,2002,2001,2002 *)
(* Institut National de Recherche en Informatique et en Automatique. *)
(* Distributed only by permission. *)
(* *)
(***********************************************************************)
let error = ref (fun () -> raise (Failure "Region error"))
(* This will be overridden in image.ml
so that it raises Image.Out_of_image *)
let check width height x y =
if x < 0 || x >= width || y < 0 || y >= height then !error ()
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