{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, 
             FlexibleInstances, TypeSynonymInstances, EmptyDataDecls, 
             OverlappingInstances, IncoherentInstances #-}

module HROOT.Core.TAttCanvas.Implementation where


import FFICXX.Runtime.Cast

import HROOT.Core.TAttCanvas.RawType
import HROOT.Core.TAttCanvas.FFI
import HROOT.Core.TAttCanvas.Interface
import HROOT.Core.TAttCanvas.Cast

import HROOT.Core.Deletable.RawType
import HROOT.Core.Deletable.Cast
import HROOT.Core.Deletable.Interface

import Data.Word
import Foreign.C
import Foreign.Ptr 
import Foreign.ForeignPtr

import System.IO.Unsafe


instance ITAttCanvas TAttCanvas where
instance IDeletable TAttCanvas where
  delete = xform0 c_tattcanvas_delete

instance ITAttCanvas (Exist TAttCanvas) where

instance IDeletable (Exist TAttCanvas) where
  delete (ETAttCanvas x) = delete x


newTAttCanvas :: IO TAttCanvas
newTAttCanvas = xformnull c_tattcanvas_newtattcanvas





instance FPtr (Exist TAttCanvas) where
  type Raw (Exist TAttCanvas) = RawTAttCanvas
  get_fptr (ETAttCanvas obj) = castForeignPtr (get_fptr obj)
  cast_fptr_to_obj fptr = ETAttCanvas (cast_fptr_to_obj (fptr :: ForeignPtr RawTAttCanvas) :: TAttCanvas)