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

    #define ENABLE_OVERLOADING \
           (!defined(__HADDOCK_VERSION__))

    module GI.Pango.Flags
        (

     -- * Flags
    -- ** FontMask #flag:FontMask#

        FontMask(..)                            ,

        ) where

    import Data.GI.Base.ShortPrelude
    import qualified Data.GI.Base.ShortPrelude as SP
    import qualified Data.GI.Base.Overloading as O
    import qualified Prelude as P

    import qualified Data.GI.Base.Attributes as GI.Attributes
    import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
    import qualified Data.GI.Base.GError as B.GError
    import qualified Data.GI.Base.GVariant as B.GVariant
    import qualified Data.GI.Base.GValue as B.GValue
    import qualified Data.GI.Base.GParamSpec as B.GParamSpec
    import qualified Data.GI.Base.CallStack as B.CallStack
    import qualified Data.Text as T
    import qualified Data.ByteString.Char8 as B
    import qualified Data.Map as Map
    import qualified Foreign.Ptr as FP

    -- Flags FontMask
    {- |
    The bits in a 'GI.Pango.Flags.FontMask' correspond to fields in a
    'GI.Pango.Structs.FontDescription.FontDescription' that have been set.
    -}
    data FontMask =
          FontMaskFamily
        {- ^
        the font family is specified.
        -}
        | FontMaskStyle
        {- ^
        the font style is specified.
        -}
        | FontMaskVariant
        {- ^
        the font variant is specified.
        -}
        | FontMaskWeight
        {- ^
        the font weight is specified.
        -}
        | FontMaskStretch
        {- ^
        the font stretch is specified.
        -}
        | FontMaskSize
        {- ^
        the font size is specified.
        -}
        | FontMaskGravity
        {- ^
        the font gravity is specified (Since: 1.16.)
        -}
        | FontMaskVariations
        {- ^
        OpenType font variations are specified (Since: 1.42)
        -}
        | AnotherFontMask Int
        -- ^ Catch-all for unknown values
        deriving (Show, Eq)

    instance P.Enum FontMask where
        fromEnum FontMaskFamily = 1
        fromEnum FontMaskStyle = 2
        fromEnum FontMaskVariant = 4
        fromEnum FontMaskWeight = 8
        fromEnum FontMaskStretch = 16
        fromEnum FontMaskSize = 32
        fromEnum FontMaskGravity = 64
        fromEnum FontMaskVariations = 128
        fromEnum (AnotherFontMask k) = k

        toEnum 1 = FontMaskFamily
        toEnum 2 = FontMaskStyle
        toEnum 4 = FontMaskVariant
        toEnum 8 = FontMaskWeight
        toEnum 16 = FontMaskStretch
        toEnum 32 = FontMaskSize
        toEnum 64 = FontMaskGravity
        toEnum 128 = FontMaskVariations
        toEnum k = AnotherFontMask k

    instance P.Ord FontMask where
        compare a b = P.compare (P.fromEnum a) (P.fromEnum b)

    foreign import ccall "pango_font_mask_get_type" c_pango_font_mask_get_type ::
        IO GType

    instance BoxedFlags FontMask where
        boxedFlagsType _ = c_pango_font_mask_get_type

    instance IsGFlag FontMask