{-# LANGUAGE ForeignFunctionInterface #-} {-# LANGUAGE TypeSynonymInstances #-} -- This source file is part of HGamer3D, a project to enable 3D game development -- in Haskell. For the latest info, see http://www.hgamer3d.org . -- -- (c) 2011-2014 Peter Althainz -- -- Licensed under the Apache License, Version 2.0 (the "License"); -- you may not use this file except in compliance with the License. -- You may obtain a copy of the License at -- -- http://www.apache.org/licenses/LICENSE-2.0 -- -- Unless required by applicable law or agreed to in writing, software -- distributed under the License is distributed on an "AS IS" BASIS, -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -- See the License for the specific language governing permissions and -- limitations under the License. -- -- StructRadians.chs -- module HGamer3D.Bindings.Ogre.StructRadians where import Foreign import Foreign.Ptr import Foreign.C import HGamer3D.Data.HG3DClass import HGamer3D.Data.Vector import HGamer3D.Data.Colour import HGamer3D.Data.Angle #include "StructRadians.h" import Data.Bits import HGamer3D.Data.Angle instance Storable Radians where alignment _ = alignment (undefined :: CDouble) sizeOf _ = {#sizeof radian_struct#} peek p = do r <- {#get radian_struct.r #} p let ra = Radians (realToFrac r) return ra poke p (Radians r) = do {#set radian_struct.r #} p (realToFrac r) {#pointer *radian_struct as RadiansPtr -> Radians #} withRadians :: Radians -> (RadiansPtr -> IO b) -> IO b withRadians = with peekRadians :: RadiansPtr -> IO Radians peekRadians = peek