hgdal-1.0.0.0: src/GDAL/OGREnvelope/Interface.hs

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

class (IDeletable a) => IOGREnvelope a where

upcastOGREnvelope ::
                  forall a . (FPtr a, IOGREnvelope a) => a -> OGREnvelope
upcastOGREnvelope h
  = let fh = get_fptr h
        fh2 :: Ptr RawOGREnvelope = castPtr fh
      in cast_fptr_to_obj fh2

downcastOGREnvelope ::
                    forall a . (FPtr a, IOGREnvelope a) => OGREnvelope -> a
downcastOGREnvelope h
  = let fh = get_fptr h
        fh2 = castPtr fh
      in cast_fptr_to_obj fh2