Module GdkPixbuf

module GdkPixbuf: sig .. end

The GdkPixbuf Structure

type pixbuf = [ `pixbuf ] Gobject.obj 

type colorspace = [ `RGB ] 

type alpha_mode = [ `BILEVEL | `FULL ] 

type interpolation = [ `BILINEAR | `HYPER | `NEAREST | `TILES ] 

exception GdkPixbufError of gdkpixbuferror * string

val set_marshal_use_rle : bool -> unit

Creation

val create : width:int ->
       height:int ->
       ?bits:int ->
       ?colorspace:colorspace ->
       ?has_alpha:bool -> unit -> pixbuf

val cast : 'a Gobject.obj -> pixbuf

val copy : pixbuf -> pixbuf

val subpixbuf : pixbuf ->
       src_x:int -> src_y:int -> width:int -> height:int -> pixbuf

val from_file : string -> pixbuf

val get_file_info : string -> string * int * int

val from_file_at_size : string -> width:int -> height:int -> pixbuf

val from_xpm_data : string array -> pixbuf

val from_data : width:int ->
       height:int ->
       ?bits:int ->
       ?rowstride:int -> ?has_alpha:bool -> Gpointer.region -> pixbuf

val get_from_drawable : dest:pixbuf ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int ->
       ?src_x:int ->
       ?src_y:int -> ?colormap:Gdk.colormap -> [> `drawable ] Gobject.obj -> unit

Accessors

val get_n_channels : pixbuf -> int

val get_has_alpha : pixbuf -> bool

val get_bits_per_sample : pixbuf -> int

val get_width : pixbuf -> int

val get_height : pixbuf -> int

val get_rowstride : pixbuf -> int

val get_pixels : pixbuf -> Gpointer.region

Rendering

val draw_pixbuf : [> `drawable ] Gobject.obj ->
       Gdk.gc ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int ->
       ?dither:Gdk.Tags.rgb_dither ->
       ?x_dither:int ->
       ?y_dither:int -> ?src_x:int -> ?src_y:int -> pixbuf -> unit

val render_to_drawable : [> `drawable ] Gobject.obj ->
       ?gc:Gdk.gc ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int ->
       ?dither:Gdk.Tags.rgb_dither ->
       ?x_dither:int ->
       ?y_dither:int -> ?src_x:int -> ?src_y:int -> pixbuf -> unit

val render_alpha : Gdk.bitmap ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int ->
       ?threshold:int -> ?src_x:int -> ?src_y:int -> pixbuf -> unit

val render_to_drawable_alpha : [> `drawable ] Gobject.obj ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int ->
       ?alpha:alpha_mode ->
       ?threshold:int ->
       ?dither:Gdk.Tags.rgb_dither ->
       ?x_dither:int ->
       ?y_dither:int -> ?src_x:int -> ?src_y:int -> pixbuf -> unit

val create_pixmap : ?threshold:int -> pixbuf -> Gdk.pixmap * Gdk.bitmap option

Transform

val add_alpha : ?transparent:int * int * int -> pixbuf -> pixbuf

val fill : pixbuf -> int32 -> unit

val saturate_and_pixelate : dest:pixbuf ->
       saturation:float -> pixelate:bool -> pixbuf -> unit

val copy_area : dest:pixbuf ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int -> ?src_x:int -> ?src_y:int -> pixbuf -> unit

val scale : dest:pixbuf ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int ->
       ?ofs_x:float ->
       ?ofs_y:float ->
       ?scale_x:float ->
       ?scale_y:float -> ?interp:interpolation -> pixbuf -> unit

val composite : dest:pixbuf ->
       alpha:int ->
       ?dest_x:int ->
       ?dest_y:int ->
       ?width:int ->
       ?height:int ->
       ?ofs_x:float ->
       ?ofs_y:float ->
       ?scale_x:float ->
       ?scale_y:float -> ?interp:interpolation -> pixbuf -> unit

Saving

val save : filename:string ->
       typ:string -> ?options:(string * string) list -> pixbuf -> unit

val save_to_callback : pixbuf ->
       typ:string -> ?options:(string * string) list -> (string -> unit) -> unit

val save_to_buffer : pixbuf ->
       typ:string -> ?options:(string * string) list -> Buffer.t -> unit