Module `Bimage.Image`Source

Image defines an image type and functions that manipulate images directly

Sourcetype ('a, 'b, 'c) t = {

width : int;
height : int;
color : 'c Color.t;
ty : ('a, 'b) Type.t;
data : ('a, 'b) Data.t;

}

Image type

Sourcetype any =

| Any : ('a, 'b, 'c) t -> any
(*
Generic image type, used for input parameters
*)

Sourceval any : ('a, 'b, 'c) t -> any

Make an image generic

Sourceval v : ('a, 'b) Type.t -> 'c Color.t -> int -> int -> ('a, 'b, 'c) t

v ty color width height makes a new image with the given ty, color and dimensions

Sourceval random : ('a, 'b) Type.t -> 'c Color.t -> int -> int -> ('a, 'b, 'c) t

Sourceval compare : ('a, 'b, 'c) t -> ('a, 'b, 'c) t -> int

Sourceval equal : ('a, 'b, 'c) t -> ('a, 'b, 'c) t -> bool

Sourceval data : ('a, 'b, 'c) t -> ('a, 'b) Data.t

Get image data

Sourceval of_data : 'c Color.t -> int -> int -> ('a, 'b) Data.t -> ('a, 'b, 'c) t

of_data color width height data makes a new image from existing image data with the given ty, color, and dimensions

Sourceval like : ('a, 'b, 'c) t -> ('a, 'b, 'c) t

like img creates a new image with the same dimensions, color and ty as img

Sourceval like_with_size : ('a, 'b, 'c) t -> int -> int -> ('a, 'b, 'c) t

Sourceval like_with_color : 'd Color.t -> ('a, 'b, 'c) t -> ('a, 'b, 'd) t

Create an image with the same dimensions and type

Sourceval like_with_ty : ('d, 'e) Type.t -> ('a, 'b, 'c) t -> ('d, 'e, 'c) t

Create an image with the name dimensions and color

Sourceval copy : ('a, 'b, 'c) t -> ('a, 'b, 'c) t

Makes a copy of an image and underlying image data

Sourceval copy_to : dest:('a, 'b, 'c) t -> ('a, 'b, 'c) t -> unit

Copy pixels from one image to another

Sourceval channels : ('a, 'b, 'c) t -> int

Returns the number of channels in an image

Sourceval length : ('a, 'b, 'c) t -> int

Returns the number of values contained in an image

Sourceval ty : ('a, 'b, 'c) t -> ('a, 'b) Type.t

Returns the image ty

Sourceval color : ('a, 'b, 'c) t -> 'c Color.t

Returns the image color type

Sourceval shape : ('a, 'b, 'c) t -> int * int * int

Returns the width, height and channels

Sourceval convert_to : dest:('d, 'e, 'f) t -> ('a, 'b, 'c) t -> unit

Convert an image to an existing image of another ty

Sourceval convert : ('d, 'e) Type.t -> 'f Color.t -> ('a, 'b, 'c) t -> ('d, 'e, 'f) t

Convert an image to a new image of another ty

Sourceval get : ('a, 'b, 'c) t -> int -> int -> int -> 'a

get image x y c returns a the value at (x, y, c)

Sourceval set : ('a, 'b, 'c) t -> int -> int -> int -> 'a -> unit

Set a single channel of the given image at (x, y)

Sourceval get_f : ('a, 'b, 'c) t -> int -> int -> int -> float

get_f image x y c returns the normalized float value at (x, y, c)

Sourceval set_f : ('a, 'b, 'c) t -> int -> int -> int -> float -> unit

Set a single channel of the given image at (x, y) using a normalized float value

Sourceval get_pixel : ('a, 'b, 'c) t -> ?dest:'c Pixel.t -> int -> int -> 'c Pixel.t

get_pixel image x y returns a pixel representation of image data at (x, y)

Sourceval set_pixel : ('a, 'b, 'c) t -> int -> int -> 'c Pixel.t -> unit

set_pixel image x y px sets the value of image at (x, y) to px

Source

val get_data : 
  ('a, 'b, 'c) t ->
  ?dest:('a, 'b) Data.t ->
  int ->
  int ->
  ('a, 'b) Data.t

get_data image x y returns image data at (x, y)

Sourceval set_data : ('a, 'b, 'c) t -> int -> int -> ('a, 'b) Data.t -> unit

set_data image x y px sets the value of image at (x, y) to px

Source

val for_each : 
  (int -> int -> ('a, 'b) Data.t -> unit) ->
  ?x:int ->
  ?y:int ->
  ?width:int ->
  ?height:int ->
  ('a, 'b, 'c) t ->
  unit

Iterate over each pixel in an image, or a rectangle segment of an image specified by x, y, width, and height. The data segment used in the callback is mutable and will write directly to the underlying image data.

Source

val for_each_pixel : 
  (int -> int -> 'c Pixel.t -> unit) ->
  ?x:int ->
  ?y:int ->
  ?width:int ->
  ?height:int ->
  ('a, 'b, 'c) t ->
  unit

Iterate over each pixel in an image

Source

val avg : 
  ?x:int ->
  ?y:int ->
  ?width:int ->
  ?height:int ->
  ('a, 'b, 'c) t ->
  (float, Type.f64) Data.t

Get the average pixel of an image or region of an image

Source

val crop : 
  ('a, 'b, 'c) t ->
  x:int ->
  y:int ->
  width:int ->
  height:int ->
  ('a, 'b, 'c) t

Extract the sub-image specified by the given dimensions

Sourceval mean_std : ?channel:int -> ('a, 'b, 'c) t -> float * float

Calculate the mean and standard deviation of an image

Source

val fold : 
  (int -> int -> ('a, 'b) Data.t -> 'd -> 'd) ->
  ('a, 'b, 'c) t ->
  'd ->
  'd

Source

val fold2 : 
  (int -> int -> ('a, 'b) Data.t -> ('e, 'f) Data.t -> 'd -> 'd) ->
  ('a, 'b, 'c) t ->
  ('e, 'f, 'c) t ->
  'd ->
  'd

Sourceval map_inplace : ('a -> 'a) -> ('a, 'b, 'c) t -> ('a, 'b, 'c) t

Sourceval map : ('a -> 'a) -> ('a, 'b, 'c) t -> ('a, 'b, 'c) t

Source

val map2_inplace : 
  ('a -> 'd -> 'a) ->
  ('a, 'b, 'c) t ->
  ('d, 'e, 'f) t ->
  ('a, 'b, 'c) t

Source

val map2 : 
  ('a -> 'd -> 'a) ->
  ('a, 'b, 'c) t ->
  ('d, 'e, 'f) t ->
  ('a, 'b, 'c) t

Sourcemodule Diff : sig ... end

Sourceval diff : ('a, 'b, 'c) t -> ('a, 'b, 'c) t -> Diff.diff

package bimage

Module Bimage.ImageSource

Module `Bimage.Image`Source