module Scale:sig..end
type kind = 
| | 
Linear | 
| | 
Bilinear | 
val onto : ?kind:kind ->
       ?proportional:bool -> Image.RGBA32.t -> Image.RGBA32.t -> unit
val create : ?kind:kind ->
       ?copy:bool ->
       ?proportional:bool -> Image.RGBA32.t -> int -> int -> Image.RGBA32.t