{-# LANGUAGE EmptyDataDecls, ExistentialQuantification,
  FlexibleContexts, FlexibleInstances, ForeignFunctionInterface,
  MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies,
  TypeSynonymInstances #-}
module OGDF.GraphAttributes.Interface where
import Data.Word
import Data.Int
import Foreign.C
import Foreign.Ptr
import FFICXX.Runtime.Cast
import OGDF.GraphAttributes.RawType
import OGDF.DRect.RawType
import STD.Deletable.Interface

class (IDeletable a) => IGraphAttributes a where
        boundingBox :: () => a -> IO DRect

upcastGraphAttributes ::
                      forall a . (FPtr a, IGraphAttributes a) => a -> GraphAttributes
upcastGraphAttributes :: forall a. (FPtr a, IGraphAttributes a) => a -> GraphAttributes
upcastGraphAttributes 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 RawGraphAttributes
fh2 :: Ptr RawGraphAttributes = Ptr (Raw a) -> Ptr RawGraphAttributes
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw a)
fh
      in Ptr (Raw GraphAttributes) -> GraphAttributes
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw GraphAttributes)
Ptr RawGraphAttributes
fh2

downcastGraphAttributes ::
                        forall a . (FPtr a, IGraphAttributes a) => GraphAttributes -> a
downcastGraphAttributes :: forall a. (FPtr a, IGraphAttributes a) => GraphAttributes -> a
downcastGraphAttributes GraphAttributes
h
  = let fh :: Ptr (Raw GraphAttributes)
fh = GraphAttributes -> Ptr (Raw GraphAttributes)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr GraphAttributes
h
        fh2 :: Ptr (Raw a)
fh2 = Ptr RawGraphAttributes -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw GraphAttributes)
Ptr RawGraphAttributes
fh
      in Ptr (Raw a) -> a
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw a)
fh2