`sig
val of_bigarr :
('a, 'b, Stdlib.Bigarray.c_layout) Stdlib.Bigarray.Array2.t ->
Cairo.format ->
width:int -> height:int -> stride:int -> Cairo.image_surface
val of_bigarr_32 :
alpha:bool ->
(int32, Stdlib.Bigarray.int32_elt, Stdlib.Bigarray.c_layout)
Stdlib.Bigarray.Array2.t -> Cairo.image_surface
val of_bigarr_24 :
(int, Stdlib.Bigarray.int_elt, Stdlib.Bigarray.c_layout)
Stdlib.Bigarray.Array2.t -> Cairo.image_surface
val of_bigarr_8 :
(int, Stdlib.Bigarray.int8_unsigned_elt, Stdlib.Bigarray.c_layout)
Stdlib.Bigarray.Array2.t -> Cairo.image_surface
val write_ppm_int32 :
Stdlib.out_channel ->
(int32, Stdlib.Bigarray.int32_elt, Stdlib.Bigarray.c_layout)
Stdlib.Bigarray.Array2.t -> unit
val write_ppm_int :
Stdlib.out_channel ->
(int, Stdlib.Bigarray.int_elt, Stdlib.Bigarray.c_layout)
Stdlib.Bigarray.Array2.t -> unit
end`