Graphics.Win32.GDI.AlphaBlend

Provides alpha blending functionality.

Documentation

c_AlphaBlend :: HDC -> Int -> Int -> Int -> Int -> HDC -> Int -> Int -> Int -> Int -> PBLENDFUNCTION -> IO BOOL

c_TransparentBlt :: HDC -> Int -> Int -> Int -> Int -> HDC -> Int -> Int -> Int -> Int -> UINT -> IO BOOL

aC_SRC_OVER :: BYTE

aC_SRC_ALPHA :: BYTE

type PBLENDFUNCTION = Ptr BLENDFUNCTION

type LPBLENDFUNCTION = Ptr BLENDFUNCTION

data BLENDFUNCTION

Constructors

BLENDFUNCTION

Fields

• blendOp :: BYTE
• blendFlags :: BYTE
• sourceConstantAlpha :: BYTE
• alphaFormat :: BYTE

Instances

Show BLENDFUNCTION

Defined in Graphics.Win32.GDI.AlphaBlend

Methods

showsPrec :: Int -> BLENDFUNCTION -> ShowS

show :: BLENDFUNCTION -> String

showList :: [BLENDFUNCTION] -> ShowS

Storable BLENDFUNCTION

Defined in Graphics.Win32.GDI.AlphaBlend

Methods

sizeOf :: BLENDFUNCTION -> Int

alignment :: BLENDFUNCTION -> Int

peekElemOff :: Ptr BLENDFUNCTION -> Int -> IO BLENDFUNCTION

pokeElemOff :: Ptr BLENDFUNCTION -> Int -> BLENDFUNCTION -> IO ()

peekByteOff :: Ptr b -> Int -> IO BLENDFUNCTION

pokeByteOff :: Ptr b -> Int -> BLENDFUNCTION -> IO ()

peek :: Ptr BLENDFUNCTION -> IO BLENDFUNCTION

poke :: Ptr BLENDFUNCTION -> BLENDFUNCTION -> IO ()