{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, FlexibleInstances, TypeSynonymInstances, EmptyDataDecls, ExistentialQuantification, ScopedTypeVariables #-} module HROOT.Graf.TCanvas.RawType where import Foreign.ForeignPtr import FFICXX.Runtime.Cast data RawTCanvas newtype TCanvas = TCanvas (ForeignPtr RawTCanvas) deriving (Eq, Ord, Show) instance FPtr TCanvas where type Raw TCanvas = RawTCanvas get_fptr (TCanvas fptr) = fptr cast_fptr_to_obj = TCanvas