sig
type t = {
mutable c : int;
mutable m : int;
mutable y : int;
mutable k : int;
}
val square_distance : Color.Cmyk.t -> Color.Cmyk.t -> int
val plus : Color.Cmyk.t -> Color.Cmyk.t -> Color.Cmyk.t
val minus : Color.Cmyk.t -> Color.Cmyk.t -> Color.Cmyk.t
val size : Color.Cmyk.t Color.map -> int
val find_exact : Color.Cmyk.t Color.map -> Color.Cmyk.t -> int
val add_color : Color.Cmyk.t Color.map -> Color.Cmyk.t -> int
val add_colors : Color.Cmyk.t Color.map -> Color.Cmyk.t list -> int list
val find_nearest : Color.Cmyk.t Color.map -> Color.Cmyk.t -> int
end