{- | Copyright : Will Thompson, Iñaki García Etxebarria and Jonas Platte License : LGPL-2.1 Maintainer : Iñaki García Etxebarria (garetxe@gmail.com) -} module GI.Pango.Objects.Font ( -- * Exported types Font(..) , FontK , toFont , noFont , -- * Methods -- ** fontDescribe fontDescribe , -- ** fontDescribeWithAbsoluteSize fontDescribeWithAbsoluteSize , -- ** fontDescriptionsFree fontDescriptionsFree , -- ** fontGetFontMap fontGetFontMap , -- ** fontGetGlyphExtents fontGetGlyphExtents , -- ** fontGetMetrics fontGetMetrics , ) 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.Pango.Types import GI.Pango.Callbacks import qualified GI.GObject as GObject newtype Font = Font (ForeignPtr Font) foreign import ccall "pango_font_get_type" c_pango_font_get_type :: IO GType type instance ParentTypes Font = FontParentTypes type FontParentTypes = '[GObject.Object] instance GObject Font where gobjectIsInitiallyUnowned _ = False gobjectType _ = c_pango_font_get_type class GObject o => FontK o instance (GObject o, IsDescendantOf Font o) => FontK o toFont :: FontK o => o -> IO Font toFont = unsafeCastTo Font noFont :: Maybe Font noFont = Nothing type instance AttributeList Font = FontAttributeList type FontAttributeList = ('[ ] :: [(Symbol, *)]) type instance SignalList Font = FontSignalList type FontSignalList = ('[ '("notify", GObject.ObjectNotifySignalInfo), '("notify::[property]", GObjectNotifySignalInfo)] :: [(Symbol, *)]) -- method Font::describe -- method type : OrdinaryMethod -- Args : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [] -- hInArgs : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- returnType : TInterface "Pango" "FontDescription" -- throws : False -- Skip return : False foreign import ccall "pango_font_describe" pango_font_describe :: Ptr Font -> -- _obj : TInterface "Pango" "Font" IO (Ptr FontDescription) fontDescribe :: (MonadIO m, FontK a) => a -> -- _obj m FontDescription fontDescribe _obj = liftIO $ do let _obj' = unsafeManagedPtrCastPtr _obj result <- pango_font_describe _obj' checkUnexpectedReturnNULL "pango_font_describe" result result' <- (wrapBoxed FontDescription) result touchManagedPtr _obj return result' -- method Font::describe_with_absolute_size -- method type : OrdinaryMethod -- Args : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [] -- hInArgs : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- returnType : TInterface "Pango" "FontDescription" -- throws : False -- Skip return : False foreign import ccall "pango_font_describe_with_absolute_size" pango_font_describe_with_absolute_size :: Ptr Font -> -- _obj : TInterface "Pango" "Font" IO (Ptr FontDescription) fontDescribeWithAbsoluteSize :: (MonadIO m, FontK a) => a -> -- _obj m FontDescription fontDescribeWithAbsoluteSize _obj = liftIO $ do let _obj' = unsafeManagedPtrCastPtr _obj result <- pango_font_describe_with_absolute_size _obj' checkUnexpectedReturnNULL "pango_font_describe_with_absolute_size" result result' <- (wrapBoxed FontDescription) result touchManagedPtr _obj return result' -- method Font::get_font_map -- method type : OrdinaryMethod -- Args : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [] -- hInArgs : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- returnType : TInterface "Pango" "FontMap" -- throws : False -- Skip return : False foreign import ccall "pango_font_get_font_map" pango_font_get_font_map :: Ptr Font -> -- _obj : TInterface "Pango" "Font" IO (Ptr FontMap) fontGetFontMap :: (MonadIO m, FontK a) => a -> -- _obj m FontMap fontGetFontMap _obj = liftIO $ do let _obj' = unsafeManagedPtrCastPtr _obj result <- pango_font_get_font_map _obj' checkUnexpectedReturnNULL "pango_font_get_font_map" result result' <- (newObject FontMap) result touchManagedPtr _obj return result' -- method Font::get_glyph_extents -- method type : OrdinaryMethod -- Args : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "glyph", argType = TBasicType TUInt32, direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "ink_rect", argType = TInterface "Pango" "Rectangle", direction = DirectionOut, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "logical_rect", argType = TInterface "Pango" "Rectangle", direction = DirectionOut, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [] -- hInArgs : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "glyph", argType = TBasicType TUInt32, direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- returnType : TBasicType TVoid -- throws : False -- Skip return : False foreign import ccall "pango_font_get_glyph_extents" pango_font_get_glyph_extents :: Ptr Font -> -- _obj : TInterface "Pango" "Font" Word32 -> -- glyph : TBasicType TUInt32 Ptr Rectangle -> -- ink_rect : TInterface "Pango" "Rectangle" Ptr Rectangle -> -- logical_rect : TInterface "Pango" "Rectangle" IO () fontGetGlyphExtents :: (MonadIO m, FontK a) => a -> -- _obj Word32 -> -- glyph m (Rectangle,Rectangle) fontGetGlyphExtents _obj glyph = liftIO $ do let _obj' = unsafeManagedPtrCastPtr _obj ink_rect <- callocBytes 16 :: IO (Ptr Rectangle) logical_rect <- callocBytes 16 :: IO (Ptr Rectangle) pango_font_get_glyph_extents _obj' glyph ink_rect logical_rect ink_rect' <- (wrapPtr Rectangle) ink_rect logical_rect' <- (wrapPtr Rectangle) logical_rect touchManagedPtr _obj return (ink_rect', logical_rect') -- method Font::get_metrics -- method type : OrdinaryMethod -- Args : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "language", argType = TInterface "Pango" "Language", direction = DirectionIn, mayBeNull = True, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [] -- hInArgs : [Arg {argName = "_obj", argType = TInterface "Pango" "Font", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "language", argType = TInterface "Pango" "Language", direction = DirectionIn, mayBeNull = True, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- returnType : TInterface "Pango" "FontMetrics" -- throws : False -- Skip return : False foreign import ccall "pango_font_get_metrics" pango_font_get_metrics :: Ptr Font -> -- _obj : TInterface "Pango" "Font" Ptr Language -> -- language : TInterface "Pango" "Language" IO (Ptr FontMetrics) fontGetMetrics :: (MonadIO m, FontK a) => a -> -- _obj Maybe (Language) -> -- language m FontMetrics fontGetMetrics _obj language = liftIO $ do let _obj' = unsafeManagedPtrCastPtr _obj maybeLanguage <- case language of Nothing -> return nullPtr Just jLanguage -> do let jLanguage' = unsafeManagedPtrGetPtr jLanguage return jLanguage' result <- pango_font_get_metrics _obj' maybeLanguage checkUnexpectedReturnNULL "pango_font_get_metrics" result result' <- (wrapBoxed FontMetrics) result touchManagedPtr _obj whenJust language touchManagedPtr return result' -- method Font::descriptions_free -- method type : MemberFunction -- Args : [Arg {argName = "descs", argType = TCArray False (-1) 1 (TInterface "Pango" "FontDescription"), direction = DirectionIn, mayBeNull = True, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferEverything},Arg {argName = "n_descs", argType = TBasicType TInt32, direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- Lengths : [Arg {argName = "n_descs", argType = TBasicType TInt32, direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}] -- hInArgs : [Arg {argName = "descs", argType = TCArray False (-1) 1 (TInterface "Pango" "FontDescription"), direction = DirectionIn, mayBeNull = True, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferEverything}] -- returnType : TBasicType TVoid -- throws : False -- Skip return : False foreign import ccall "pango_font_descriptions_free" pango_font_descriptions_free :: Ptr (Ptr FontDescription) -> -- descs : TCArray False (-1) 1 (TInterface "Pango" "FontDescription") Int32 -> -- n_descs : TBasicType TInt32 IO () fontDescriptionsFree :: (MonadIO m) => Maybe ([FontDescription]) -> -- descs m () fontDescriptionsFree descs = liftIO $ do let n_descs = case descs of Nothing -> 0 Just jDescs -> fromIntegral $ length jDescs maybeDescs <- case descs of Nothing -> return nullPtr Just jDescs -> do jDescs' <- mapM copyBoxed jDescs jDescs'' <- packPtrArray jDescs' return jDescs'' pango_font_descriptions_free maybeDescs n_descs whenJust descs (mapM_ touchManagedPtr) return ()