gi-poppler-0.0.34.13: GI/Poppler/Structs/Dest.hs

{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

Data structure for holding a destination
-}

module GI.Poppler.Structs.Dest
    ( 

-- * Exported types
    Dest(..)                                ,
    newZeroDest                             ,
    noDest                                  ,


 -- * Methods
-- ** destCopy
    DestCopyMethodInfo                      ,
    destCopy                                ,


-- ** destFree
    DestFreeMethodInfo                      ,
    destFree                                ,




 -- * Properties
-- ** Bottom
    destReadBottom                          ,


-- ** ChangeLeft
    destReadChangeLeft                      ,


-- ** ChangeTop
    destReadChangeTop                       ,


-- ** ChangeZoom
    destReadChangeZoom                      ,


-- ** Left
    destReadLeft                            ,


-- ** NamedDest
    destReadNamedDest                       ,


-- ** PageNum
    destReadPageNum                         ,


-- ** Right
    destReadRight                           ,


-- ** Top
    destReadTop                             ,


-- ** Type
    destReadType                            ,


-- ** Zoom
    destReadZoom                            ,




    ) where

import Prelude ()
import Data.GI.Base.ShortPrelude

import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map

import GI.Poppler.Types
import GI.Poppler.Callbacks

newtype Dest = Dest (ForeignPtr Dest)
foreign import ccall "poppler_dest_get_type" c_poppler_dest_get_type :: 
    IO GType

instance BoxedObject Dest where
    boxedType _ = c_poppler_dest_get_type

-- | Construct a `Dest` struct initialized to zero.
newZeroDest :: MonadIO m => m Dest
newZeroDest = liftIO $ callocBoxedBytes 72 >>= wrapBoxed Dest

noDest :: Maybe Dest
noDest = Nothing

destReadType :: Dest -> IO DestType
destReadType s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO CUInt
    let val' = (toEnum . fromIntegral) val
    return val'

destReadPageNum :: Dest -> IO Int32
destReadPageNum s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 4) :: IO Int32
    return val

destReadLeft :: Dest -> IO Double
destReadLeft s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO CDouble
    let val' = realToFrac val
    return val'

destReadBottom :: Dest -> IO Double
destReadBottom s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 16) :: IO CDouble
    let val' = realToFrac val
    return val'

destReadRight :: Dest -> IO Double
destReadRight s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 24) :: IO CDouble
    let val' = realToFrac val
    return val'

destReadTop :: Dest -> IO Double
destReadTop s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 32) :: IO CDouble
    let val' = realToFrac val
    return val'

destReadZoom :: Dest -> IO Double
destReadZoom s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 40) :: IO CDouble
    let val' = realToFrac val
    return val'

destReadNamedDest :: Dest -> IO T.Text
destReadNamedDest s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 48) :: IO CString
    val' <- cstringToText val
    return val'

destReadChangeLeft :: Dest -> IO Word32
destReadChangeLeft s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 56) :: IO Word32
    return val

destReadChangeTop :: Dest -> IO Word32
destReadChangeTop s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 60) :: IO Word32
    return val

destReadChangeZoom :: Dest -> IO Word32
destReadChangeZoom s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 64) :: IO Word32
    return val

-- method Dest::copy
-- method type : OrdinaryMethod
-- Args : [Arg {argCName = "_obj", argType = TInterface "Poppler" "Dest", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
-- Lengths : []
-- returnType : TInterface "Poppler" "Dest"
-- throws : False
-- Skip return : False

foreign import ccall "poppler_dest_copy" poppler_dest_copy :: 
    Ptr Dest ->                             -- _obj : TInterface "Poppler" "Dest"
    IO (Ptr Dest)


destCopy ::
    (MonadIO m) =>
    Dest                                    -- _obj
    -> m Dest                               -- result
destCopy _obj = liftIO $ do
    let _obj' = unsafeManagedPtrGetPtr _obj
    result <- poppler_dest_copy _obj'
    checkUnexpectedReturnNULL "poppler_dest_copy" result
    result' <- (wrapBoxed Dest) result
    touchManagedPtr _obj
    return result'

data DestCopyMethodInfo
instance (signature ~ (m Dest), MonadIO m) => MethodInfo DestCopyMethodInfo Dest signature where
    overloadedMethod _ = destCopy

-- method Dest::free
-- method type : OrdinaryMethod
-- Args : [Arg {argCName = "_obj", argType = TInterface "Poppler" "Dest", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
-- Lengths : []
-- returnType : TBasicType TVoid
-- throws : False
-- Skip return : False

foreign import ccall "poppler_dest_free" poppler_dest_free :: 
    Ptr Dest ->                             -- _obj : TInterface "Poppler" "Dest"
    IO ()


destFree ::
    (MonadIO m) =>
    Dest                                    -- _obj
    -> m ()                                 -- result
destFree _obj = liftIO $ do
    let _obj' = unsafeManagedPtrGetPtr _obj
    poppler_dest_free _obj'
    touchManagedPtr _obj
    return ()

data DestFreeMethodInfo
instance (signature ~ (m ()), MonadIO m) => MethodInfo DestFreeMethodInfo Dest signature where
    overloadedMethod _ = destFree

type family ResolveDestMethod (t :: Symbol) (o :: *) :: * where
    ResolveDestMethod "copy" o = DestCopyMethodInfo
    ResolveDestMethod "free" o = DestFreeMethodInfo
    ResolveDestMethod l o = MethodResolutionFailed l o

instance (info ~ ResolveDestMethod t Dest, MethodInfo info Dest p) => IsLabelProxy t (Dest -> p) where
    fromLabelProxy _ = overloadedMethod (MethodProxy :: MethodProxy info)

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveDestMethod t Dest, MethodInfo info Dest p) => IsLabel t (Dest -> p) where
    fromLabel _ = overloadedMethod (MethodProxy :: MethodProxy info)
#endif