Spriteval pixels :
Playground.number ->
(char * Playground.color) list ->
string list ->
Playground.shapeval pixels_squares :
Playground.number ->
(char * Playground.color) list ->
string list ->
Playground.shapeval artwork : default:bool -> Playground.flags -> boolval of_xpm : string -> (char * Playground.color) list * string listval of_rgba : Playground.number -> Rgba_image.t -> Playground.shapeval to_xpm : string -> (char * Playground.color) list -> string list -> stringval frame : Playground.number -> Playground.time -> 'a list -> 'a