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

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

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