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

class (ITEllipse a) => ITCrown a where

upcastTCrown :: forall a . (FPtr a, ITCrown a) => a -> TCrown
upcastTCrown :: forall a. (FPtr a, ITCrown a) => a -> TCrown
upcastTCrown 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 RawTCrown
fh2 :: Ptr RawTCrown = Ptr (Raw a) -> Ptr RawTCrown
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw a)
fh
      in Ptr (Raw TCrown) -> TCrown
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw TCrown)
Ptr RawTCrown
fh2

downcastTCrown :: forall a . (FPtr a, ITCrown a) => TCrown -> a
downcastTCrown :: forall a. (FPtr a, ITCrown a) => TCrown -> a
downcastTCrown TCrown
h
  = let fh :: Ptr (Raw TCrown)
fh = TCrown -> Ptr (Raw TCrown)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr TCrown
h
        fh2 :: Ptr (Raw a)
fh2 = Ptr RawTCrown -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw TCrown)
Ptr RawTCrown
fh
      in Ptr (Raw a) -> a
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw a)
fh2