{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module GDAL.OGRPolygon.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import GDAL.OGRPolygon.RawType import GDAL.OGRCurvePolygon.Interface class (IOGRCurvePolygon a) => IOGRPolygon a where upcastOGRPolygon :: forall a . (FPtr a, IOGRPolygon a) => a -> OGRPolygon upcastOGRPolygon :: forall a. (FPtr a, IOGRPolygon a) => a -> OGRPolygon upcastOGRPolygon 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 RawOGRPolygon fh2 :: Ptr RawOGRPolygon = Ptr (Raw a) -> Ptr RawOGRPolygon forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw OGRPolygon) -> OGRPolygon forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw OGRPolygon) Ptr RawOGRPolygon fh2 downcastOGRPolygon :: forall a . (FPtr a, IOGRPolygon a) => OGRPolygon -> a downcastOGRPolygon :: forall a. (FPtr a, IOGRPolygon a) => OGRPolygon -> a downcastOGRPolygon OGRPolygon h = let fh :: Ptr (Raw OGRPolygon) fh = OGRPolygon -> Ptr (Raw OGRPolygon) forall a. FPtr a => a -> Ptr (Raw a) get_fptr OGRPolygon h fh2 :: Ptr (Raw a) fh2 = Ptr RawOGRPolygon -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw OGRPolygon) Ptr RawOGRPolygon fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2