Module ImageCanvas.Canvas

A canvas of images. The structure is immutable but its elements might be returned and therefore should not be used in place.

Parameters

module I : CanvasImage

Signature

module Element : sig ... end
module E = Element
type t = {
  1. width : int;
  2. height : int;
  3. elements : E.t list;
}
val create : int -> int -> t
val width : t -> int
val height : t -> int
val size : t -> int
val planes : t -> int
val make : ?width:int -> ?height:int -> ?x:int -> ?y:int -> I.t -> t
val add : t -> t -> t
val covering : t -> bool
val render : ?fresh:bool -> ?transparent:bool -> t -> I.t
val has_alpha : t -> bool
val rendered : ?transparent:bool -> t -> t
val map : (I.t -> I.t) -> t -> t
val iter : (I.t -> 'a) -> t -> t
val translate : int -> int -> t -> t
val viewport : ?x:int -> ?y:int -> int -> int -> t -> t
val bounding_box : t -> (int * int) * (int * int)
val scale : ?scaler:(I.t -> I.t -> unit) -> (int * int) -> (int * int) -> t -> t
val resize : ?proportional:bool -> ?scaler:(I.t -> I.t -> unit) -> int -> int -> t -> t
module Draw : sig ... end