{- | Copyright : Will Thompson, Iñaki García Etxebarria and Jonas Platte License : LGPL-2.1 Maintainer : Iñaki García Etxebarria (garetxe@gmail.com) A #PopplerColor describes a RGB color. Color components are values between 0 and 65535 -} module GI.Poppler.Structs.Color ( -- * Exported types Color(..) , noColor , -- * Methods -- ** colorCopy colorCopy , -- ** colorFree colorFree , -- ** colorNew colorNew , -- * Properties -- ** Blue colorReadBlue , -- ** Green colorReadGreen , -- ** Red colorReadRed , ) 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 Color = Color (ForeignPtr Color) foreign import ccall "poppler_color_get_type" c_poppler_color_get_type :: IO GType instance BoxedObject Color where boxedType _ = c_poppler_color_get_type noColor :: Maybe Color noColor = Nothing colorReadRed :: Color -> IO Word16 colorReadRed s = withManagedPtr s $ \ptr -> do val <- peek (ptr `plusPtr` 0) :: IO Word16 return val colorReadGreen :: Color -> IO Word16 colorReadGreen s = withManagedPtr s $ \ptr -> do val <- peek (ptr `plusPtr` 2) :: IO Word16 return val colorReadBlue :: Color -> IO Word16 colorReadBlue s = withManagedPtr s $ \ptr -> do val <- peek (ptr `plusPtr` 4) :: IO Word16 return val -- method Color::new -- method type : Constructor -- Args : [] -- Lengths : [] -- hInArgs : [] -- returnType : TInterface "Poppler" "Color" -- throws : False -- Skip return : False foreign import ccall "poppler_color_new" poppler_color_new :: IO (Ptr Color) colorNew :: (MonadIO m) => m Color colorNew = liftIO $ do result <- poppler_color_new checkUnexpectedReturnNULL "poppler_color_new" result result' <- (wrapBoxed Color) result return result' -- method Color::copy -- method type : OrdinaryMethod -- Args : [Arg {argName = "_obj", argType = TInterface "Poppler" "Color", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [] -- hInArgs : [Arg {argName = "_obj", argType = TInterface "Poppler" "Color", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- returnType : TInterface "Poppler" "Color" -- throws : False -- Skip return : False foreign import ccall "poppler_color_copy" poppler_color_copy :: Ptr Color -> -- _obj : TInterface "Poppler" "Color" IO (Ptr Color) colorCopy :: (MonadIO m) => Color -> -- _obj m Color colorCopy _obj = liftIO $ do let _obj' = unsafeManagedPtrGetPtr _obj result <- poppler_color_copy _obj' checkUnexpectedReturnNULL "poppler_color_copy" result result' <- (wrapBoxed Color) result touchManagedPtr _obj return result' -- method Color::free -- method type : OrdinaryMethod -- Args : [Arg {argName = "_obj", argType = TInterface "Poppler" "Color", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [] -- hInArgs : [Arg {argName = "_obj", argType = TInterface "Poppler" "Color", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- returnType : TBasicType TVoid -- throws : False -- Skip return : False foreign import ccall "poppler_color_free" poppler_color_free :: Ptr Color -> -- _obj : TInterface "Poppler" "Color" IO () colorFree :: (MonadIO m) => Color -> -- _obj m () colorFree _obj = liftIO $ do let _obj' = unsafeManagedPtrGetPtr _obj poppler_color_free _obj' touchManagedPtr _obj return ()