{-# LANGUAGE EmptyDataDecls, ExistentialQuantification,
  FlexibleContexts, FlexibleInstances, ForeignFunctionInterface,
  MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies,
  TypeSynonymInstances #-}
module HROOT.Graf.TArc.Interface where
import Data.Word
import Data.Int
import Foreign.C
import Foreign.Ptr
import FFICXX.Runtime.Cast
import HROOT.Graf.TArc.RawType
import HROOT.Graf.TEllipse.Interface

class (ITEllipse a) => ITArc a where

upcastTArc :: forall a . (FPtr a, ITArc a) => a -> TArc
upcastTArc :: forall a. (FPtr a, ITArc a) => a -> TArc
upcastTArc a
h
  = let fh :: Ptr (Raw a)
fh = a -> Ptr (Raw a)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr a
h
        Ptr RawTArc
fh2 :: Ptr RawTArc = Ptr (Raw a) -> Ptr RawTArc
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw a)
fh
      in Ptr (Raw TArc) -> TArc
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw TArc)
Ptr RawTArc
fh2

downcastTArc :: forall a . (FPtr a, ITArc a) => TArc -> a
downcastTArc :: forall a. (FPtr a, ITArc a) => TArc -> a
downcastTArc TArc
h
  = let fh :: Ptr (Raw TArc)
fh = TArc -> Ptr (Raw TArc)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr TArc
h
        fh2 :: Ptr (Raw a)
fh2 = Ptr RawTArc -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw TArc)
Ptr RawTArc
fh
      in Ptr (Raw a) -> a
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw a)
fh2