gi-poppler-0.0.34.14: GI/Poppler/Structs/ImageMapping.hs
{- |
Copyright : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)
A #PopplerImageMapping structure represents the location
of an image on the page
-}
module GI.Poppler.Structs.ImageMapping
(
-- * Exported types
ImageMapping(..) ,
newZeroImageMapping ,
noImageMapping ,
-- * Methods
-- ** imageMappingCopy
ImageMappingCopyMethodInfo ,
imageMappingCopy ,
-- ** imageMappingFree
ImageMappingFreeMethodInfo ,
imageMappingFree ,
-- ** imageMappingNew
imageMappingNew ,
-- * Properties
-- ** Area
imageMappingArea ,
imageMappingClearArea ,
imageMappingReadArea ,
imageMappingWriteArea ,
-- ** ImageId
imageMappingImageId ,
imageMappingReadImageId ,
imageMappingWriteImageId ,
) where
import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.Attributes as GI.Attributes
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 ImageMapping = ImageMapping (ForeignPtr ImageMapping)
foreign import ccall "poppler_image_mapping_get_type" c_poppler_image_mapping_get_type ::
IO GType
instance BoxedObject ImageMapping where
boxedType _ = c_poppler_image_mapping_get_type
-- | Construct a `ImageMapping` struct initialized to zero.
newZeroImageMapping :: MonadIO m => m ImageMapping
newZeroImageMapping = liftIO $ callocBoxedBytes 40 >>= wrapBoxed ImageMapping
instance tag ~ 'AttrSet => Constructible ImageMapping tag where
new _ attrs = do
o <- newZeroImageMapping
GI.Attributes.set o attrs
return o
noImageMapping :: Maybe ImageMapping
noImageMapping = Nothing
imageMappingReadArea :: MonadIO m => ImageMapping -> m (Maybe Rectangle)
imageMappingReadArea s = liftIO $ withManagedPtr s $ \ptr -> do
val <- peek (ptr `plusPtr` 0) :: IO (Ptr Rectangle)
result <- convertIfNonNull val $ \val' -> do
val'' <- (newBoxed Rectangle) val'
return val''
return result
imageMappingWriteArea :: MonadIO m => ImageMapping -> Ptr Rectangle -> m ()
imageMappingWriteArea s val = liftIO $ withManagedPtr s $ \ptr -> do
poke (ptr `plusPtr` 0) (val :: Ptr Rectangle)
imageMappingClearArea :: MonadIO m => ImageMapping -> m ()
imageMappingClearArea s = liftIO $ withManagedPtr s $ \ptr -> do
poke (ptr `plusPtr` 0) (nullPtr :: Ptr Rectangle)
data ImageMappingAreaFieldInfo
instance AttrInfo ImageMappingAreaFieldInfo where
type AttrAllowedOps ImageMappingAreaFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
type AttrSetTypeConstraint ImageMappingAreaFieldInfo = (~) (Ptr Rectangle)
type AttrBaseTypeConstraint ImageMappingAreaFieldInfo = (~) ImageMapping
type AttrGetType ImageMappingAreaFieldInfo = Maybe Rectangle
type AttrLabel ImageMappingAreaFieldInfo = "area"
attrGet _ = imageMappingReadArea
attrSet _ = imageMappingWriteArea
attrConstruct = undefined
attrClear _ = imageMappingClearArea
imageMappingArea :: AttrLabelProxy "area"
imageMappingArea = AttrLabelProxy
imageMappingReadImageId :: MonadIO m => ImageMapping -> m Int32
imageMappingReadImageId s = liftIO $ withManagedPtr s $ \ptr -> do
val <- peek (ptr `plusPtr` 32) :: IO Int32
return val
imageMappingWriteImageId :: MonadIO m => ImageMapping -> Int32 -> m ()
imageMappingWriteImageId s val = liftIO $ withManagedPtr s $ \ptr -> do
poke (ptr `plusPtr` 32) (val :: Int32)
data ImageMappingImageIdFieldInfo
instance AttrInfo ImageMappingImageIdFieldInfo where
type AttrAllowedOps ImageMappingImageIdFieldInfo = '[ 'AttrSet, 'AttrGet]
type AttrSetTypeConstraint ImageMappingImageIdFieldInfo = (~) Int32
type AttrBaseTypeConstraint ImageMappingImageIdFieldInfo = (~) ImageMapping
type AttrGetType ImageMappingImageIdFieldInfo = Int32
type AttrLabel ImageMappingImageIdFieldInfo = "image_id"
attrGet _ = imageMappingReadImageId
attrSet _ = imageMappingWriteImageId
attrConstruct = undefined
attrClear _ = undefined
imageMappingImageId :: AttrLabelProxy "imageId"
imageMappingImageId = AttrLabelProxy
type instance AttributeList ImageMapping = ImageMappingAttributeList
type ImageMappingAttributeList = ('[ '("area", ImageMappingAreaFieldInfo), '("imageId", ImageMappingImageIdFieldInfo)] :: [(Symbol, *)])
-- method ImageMapping::new
-- method type : Constructor
-- Args : []
-- Lengths : []
-- returnType : Just (TInterface "Poppler" "ImageMapping")
-- throws : False
-- Skip return : False
foreign import ccall "poppler_image_mapping_new" poppler_image_mapping_new ::
IO (Ptr ImageMapping)
imageMappingNew ::
(MonadIO m) =>
m ImageMapping -- result
imageMappingNew = liftIO $ do
result <- poppler_image_mapping_new
checkUnexpectedReturnNULL "poppler_image_mapping_new" result
result' <- (wrapBoxed ImageMapping) result
return result'
-- method ImageMapping::copy
-- method type : OrdinaryMethod
-- Args : [Arg {argCName = "_obj", argType = TInterface "Poppler" "ImageMapping", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
-- Lengths : []
-- returnType : Just (TInterface "Poppler" "ImageMapping")
-- throws : False
-- Skip return : False
foreign import ccall "poppler_image_mapping_copy" poppler_image_mapping_copy ::
Ptr ImageMapping -> -- _obj : TInterface "Poppler" "ImageMapping"
IO (Ptr ImageMapping)
imageMappingCopy ::
(MonadIO m) =>
ImageMapping -- _obj
-> m ImageMapping -- result
imageMappingCopy _obj = liftIO $ do
let _obj' = unsafeManagedPtrGetPtr _obj
result <- poppler_image_mapping_copy _obj'
checkUnexpectedReturnNULL "poppler_image_mapping_copy" result
result' <- (wrapBoxed ImageMapping) result
touchManagedPtr _obj
return result'
data ImageMappingCopyMethodInfo
instance (signature ~ (m ImageMapping), MonadIO m) => MethodInfo ImageMappingCopyMethodInfo ImageMapping signature where
overloadedMethod _ = imageMappingCopy
-- method ImageMapping::free
-- method type : OrdinaryMethod
-- Args : [Arg {argCName = "_obj", argType = TInterface "Poppler" "ImageMapping", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
-- Lengths : []
-- returnType : Nothing
-- throws : False
-- Skip return : False
foreign import ccall "poppler_image_mapping_free" poppler_image_mapping_free ::
Ptr ImageMapping -> -- _obj : TInterface "Poppler" "ImageMapping"
IO ()
imageMappingFree ::
(MonadIO m) =>
ImageMapping -- _obj
-> m () -- result
imageMappingFree _obj = liftIO $ do
let _obj' = unsafeManagedPtrGetPtr _obj
poppler_image_mapping_free _obj'
touchManagedPtr _obj
return ()
data ImageMappingFreeMethodInfo
instance (signature ~ (m ()), MonadIO m) => MethodInfo ImageMappingFreeMethodInfo ImageMapping signature where
overloadedMethod _ = imageMappingFree
type family ResolveImageMappingMethod (t :: Symbol) (o :: *) :: * where
ResolveImageMappingMethod "copy" o = ImageMappingCopyMethodInfo
ResolveImageMappingMethod "free" o = ImageMappingFreeMethodInfo
ResolveImageMappingMethod l o = MethodResolutionFailed l o
instance (info ~ ResolveImageMappingMethod t ImageMapping, MethodInfo info ImageMapping p) => IsLabelProxy t (ImageMapping -> p) where
fromLabelProxy _ = overloadedMethod (MethodProxy :: MethodProxy info)
#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveImageMappingMethod t ImageMapping, MethodInfo info ImageMapping p) => IsLabel t (ImageMapping -> p) where
fromLabel _ = overloadedMethod (MethodProxy :: MethodProxy info)
#endif