gi-pango-0.1.36.12: GI/Pango/Structs/GlyphGeometry.hs
{- |
Copyright : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)
The #PangoGlyphGeometry structure contains width and positioning
information for a single glyph.
-}
module GI.Pango.Structs.GlyphGeometry
(
-- * Exported types
GlyphGeometry(..) ,
noGlyphGeometry ,
-- * Properties
-- ** Width
glyphGeometryReadWidth ,
-- ** XOffset
glyphGeometryReadXOffset ,
-- ** YOffset
glyphGeometryReadYOffset ,
) 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
newtype GlyphGeometry = GlyphGeometry (ForeignPtr GlyphGeometry)
noGlyphGeometry :: Maybe GlyphGeometry
noGlyphGeometry = Nothing
glyphGeometryReadWidth :: GlyphGeometry -> IO Int32
glyphGeometryReadWidth s = withManagedPtr s $ \ptr -> do
val <- peek (ptr `plusPtr` 0) :: IO Int32
return val
glyphGeometryReadXOffset :: GlyphGeometry -> IO Int32
glyphGeometryReadXOffset s = withManagedPtr s $ \ptr -> do
val <- peek (ptr `plusPtr` 4) :: IO Int32
return val
glyphGeometryReadYOffset :: GlyphGeometry -> IO Int32
glyphGeometryReadYOffset s = withManagedPtr s $ \ptr -> do
val <- peek (ptr `plusPtr` 8) :: IO Int32
return val