module Cairo_pdf:PDF backendsig..end
typesurface =[ `Any | `PDF ] Cairo.surface
val surface_create_for_channel : Pervasives.out_channel ->
width_in_points:float -> height_in_points:float -> surfaceval surface_create_for_stream : (string -> unit) ->
width_in_points:float -> height_in_points:float -> surfaceval set_size : [> `PDF ] Cairo.surface ->
width_in_points:float -> height_in_points:float -> unit