package camlimages
Module Region
check width height x y checks whether the point (x,y) is in the region of (0, 0) - (width - 1, height - 1). If not, it raises Images.Out_of_image.
val error : (unit -> unit) refRegioncheck width height x y checks whether the point (x,y) is in the region of (0, 0) - (width - 1, height - 1). If not, it raises Images.Out_of_image.
val error : (unit -> unit) ref