Fillval polygon :
?rule:fill_rule ->
Framebuffer.t ->
(float * float) list ->
rgb:int ->
alpha:float ->
unitval polygons :
?rule:fill_rule ->
Framebuffer.t ->
(float * float) list list ->
rgb:int ->
alpha:float ->
unitval scan :
?rule:fill_rule ->
height:int ->
(float * float) list list ->
on_span:(y:int -> float -> float -> unit) ->
unitval polygons_aa :
?rule:fill_rule ->
?subrows:int ->
Framebuffer.t ->
(float * float) list list ->
rgb:int ->
alpha:float ->
unit