{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies,
  MultiParamTypeClasses, OverlappingInstances, IncoherentInstances
  #-}
module HROOT.Graf.TPad.Cast where
import Foreign.Ptr
import FFICXX.Runtime.Cast
import System.IO.Unsafe
import HROOT.Graf.TPad.RawType
import HROOT.Graf.TPad.Interface

instance (ITPad a, FPtr a) => Castable (a) (Ptr RawTPad) where
        cast :: forall r. a -> (Ptr RawTPad -> IO r) -> IO r
cast a
x Ptr RawTPad -> IO r
f = Ptr RawTPad -> IO r
f (Ptr (Raw a) -> Ptr RawTPad
forall a b. Ptr a -> Ptr b
castPtr (a -> Ptr (Raw a)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr a
x))
        uncast :: forall r. Ptr RawTPad -> (a -> IO r) -> IO r
uncast Ptr RawTPad
x a -> IO r
f = a -> IO r
f (Ptr (Raw a) -> a
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj (Ptr RawTPad -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr RawTPad
x))

instance () => Castable (TPad) (Ptr RawTPad) where
        cast :: forall r. TPad -> (Ptr RawTPad -> IO r) -> IO r
cast TPad
x Ptr RawTPad -> IO r
f = Ptr RawTPad -> IO r
f (Ptr RawTPad -> Ptr RawTPad
forall a b. Ptr a -> Ptr b
castPtr (TPad -> Ptr (Raw TPad)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr TPad
x))
        uncast :: forall r. Ptr RawTPad -> (TPad -> IO r) -> IO r
uncast Ptr RawTPad
x TPad -> IO r
f = TPad -> IO r
f (Ptr (Raw TPad) -> TPad
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj (Ptr RawTPad -> Ptr RawTPad
forall a b. Ptr a -> Ptr b
castPtr Ptr RawTPad
x))