{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, 
             FlexibleInstances, TypeSynonymInstances, 
             EmptyDataDecls, ExistentialQuantification, ScopedTypeVariables #-}

-- module HROOT.Class.Interface where

module HROOT.Core.TAttMarker.Interface where


import Data.Word
import Foreign.C
import Foreign.Ptr
import Foreign.ForeignPtr
import FFICXX.Runtime.Cast

import HROOT.Core.TAttMarker.RawType

import HROOT.Core.Deletable.Interface
---- ============ ----



class (IDeletable a) => ITAttMarker a where

    getMarkerColor :: a -> IO CInt 

    getMarkerStyle :: a -> IO CInt 

    getMarkerSize :: a -> IO CDouble 

    resetAttMarker :: a -> CString -> IO () 

    setMarkerAttributes :: a -> IO () 

    setMarkerColor :: a -> CInt -> IO () 

    setMarkerStyle :: a -> CInt -> IO () 

    setMarkerSize :: a -> CInt -> IO () 

instance Existable TAttMarker where
  data Exist TAttMarker = forall a. (FPtr a, ITAttMarker a) => ETAttMarker a

upcastTAttMarker :: (FPtr a, ITAttMarker a) => a -> TAttMarker
upcastTAttMarker h = let fh = get_fptr h
                         fh2 :: ForeignPtr RawTAttMarker = castForeignPtr fh
                     in cast_fptr_to_obj fh2

downcastTAttMarker :: (FPtr a, ITAttMarker a) => TAttMarker -> a 
downcastTAttMarker h = let fh = get_fptr h
                           fh2 = castForeignPtr fh
                       in cast_fptr_to_obj fh2