GdkPixbuf - Object for manipulating image data

Module GdkPixbuf

Module GdkPixbuf : sig end

Object for manipulating image data

=== The GdkPixbuf Structure ===

type pixbuf = [ `pixbuf ] Gobject.obj

type colorspace = [ `RGB ]

type alpha_mode = [ `BILEVEL | `FULL ]

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

type gdkpixbuferror = | ERROR_CORRUPT_IMAGE | ERROR_INSUFFICIENT_MEMORY | ERROR_BAD_OPTION | ERROR_UNKNOWN_TYPE | ERROR_UNSUPPORTED_OPERATION | ERROR_FAILED

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 Since GTK 2.4

val from_file_at_size : string -> width:int -> height:int -> pixbuf Since GTK 2.4

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 Deprecated. use GdkPixbuf.draw_pixbuf

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 Deprecated. use GdkPixbuf.draw_pixbuf

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 Since GTK 2.4

val save_to_buffer : pixbuf -> typ:string -> ?options:(string * string) list -> Buffer.t -> unit Since GTK 2.4