Module Image.RGBA32.Effect.Alpha

module Alpha: sig .. end

Effects on alpha channel.

val blur : Image.RGBA32.t -> unit

val scale : Image.RGBA32.t -> float -> unit

Scale alpha channel with a given coefficient.

val disk : Image.RGBA32.t -> int -> int -> int -> unit

val of_color : Image.RGBA32.t -> Image.RGB8.Color.t -> int -> unit