    {-# INCLUDE "Win32Aux.h" #-}
    {-# INCLUDE <windows.h> #-}
    {-# LINE 1 "Graphics\Win32\GDI\Bitmap.hsc" #-}
    -----------------------------------------------------------------------------
    {-# LINE 2 "Graphics\Win32\GDI\Bitmap.hsc" #-}
    -- |
    -- Module      :  Graphics.Win32.GDI.Bitmap
    -- Copyright   :  (c) Alastair Reid, 1997-2003
    -- License     :  BSD-style (see the file libraries/base/LICENSE)
    --
    -- Maintainer  :  Esa Ilari Vuokko <ei@vuokko.info>
    -- Stability   :  provisional
    -- Portability :  portable
    --
    -- A collection of FFI declarations for interfacing with Win32.
    --
    -----------------------------------------------------------------------------

    module Graphics.Win32.GDI.Bitmap(
    	RasterOp3,
    	RasterOp4,
    	sRCCOPY,
    	sRCPAINT,
    	sRCAND,
    	sRCINVERT,
    	sRCERASE,
    	nOTSRCCOPY,
    	nOTSRCERASE,
    	mERGECOPY,
    	mERGEPAINT,
    	pATCOPY,
    	pATPAINT,
    	pATINVERT,
    	dSTINVERT,
    	bLACKNESS,
    	wHITENESS,

    	mAKEROP4,

    	BITMAP,
    	LPBITMAP,
    	setBITMAP,
    	deleteBitmap,
    	createCompatibleBitmap,
    	createBitmap,
    	createBitmapIndirect,
    	createDIBPatternBrushPt,
    	getBitmapDimensionEx,
    	setBitmapDimensionEx,
    	getBitmapInfo,

    	BitmapCompression,
    	bI_RGB,
    	bI_RLE8,
    	bI_RLE4,
    	bI_BITFIELDS,

    	ColorFormat,
    	dIB_PAL_COLORS,
    	dIB_RGB_COLORS,

    	LPBITMAPINFO,
    	BITMAPINFOHEADER,
    	LPBITMAPINFOHEADER,
    	getBITMAPINFOHEADER_,

    	BITMAPFILEHEADER,
    	LPBITMAPFILEHEADER,
    	getBITMAPFILEHEADER,

    	sizeofBITMAP,
    	sizeofBITMAPINFO,
    	sizeofBITMAPINFOHEADER,
    	sizeofBITMAPFILEHEADER,
    	sizeofLPBITMAPFILEHEADER,

    	createBMPFile,
    	cBM_INIT,
    	getDIBits,
    	setDIBits,
    	createDIBitmap

            ) where

    import System.Win32.Types
    import Graphics.Win32.GDI.Types

    import Control.Monad (liftM)
    import Foreign
    import Foreign.C

    {-# LINE 89 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    {-# LINE 90 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    ----------------------------------------------------------------
    -- Resources
    ----------------------------------------------------------------

    -- Yoiks - name clash
    -- %dis bitmap x = ptr ({LPTSTR} x)
    --
    -- type Bitmap = LPCTSTR
    --
    -- intToBitmap :: Int -> Bitmap
    -- intToBitmap i = makeIntResource (toWord i)
    --
    -- %fun LoadBitmap :: MbHINSTANCE -> Bitmap -> IO HBITMAP
    -- %fail { res1 == 0 } { ErrorString("LoadBitmap") }
    --
    -- %const Bitmap
    -- % [ OBM_CLOSE        = { MAKEINTRESOURCE(OBM_CLOSE)       }
    -- % , OBM_UPARROW      = { MAKEINTRESOURCE(OBM_UPARROW)     }
    -- % , OBM_DNARROW      = { MAKEINTRESOURCE(OBM_DNARROW)     }
    -- % , OBM_RGARROW      = { MAKEINTRESOURCE(OBM_RGARROW)     }
    -- % , OBM_LFARROW      = { MAKEINTRESOURCE(OBM_LFARROW)     }
    -- % , OBM_REDUCE       = { MAKEINTRESOURCE(OBM_REDUCE)      }
    -- % , OBM_ZOOM         = { MAKEINTRESOURCE(OBM_ZOOM)        }
    -- % , OBM_RESTORE      = { MAKEINTRESOURCE(OBM_RESTORE)     }
    -- % , OBM_REDUCED      = { MAKEINTRESOURCE(OBM_REDUCED)     }
    -- % , OBM_ZOOMD        = { MAKEINTRESOURCE(OBM_ZOOMD)       }
    -- % , OBM_RESTORED     = { MAKEINTRESOURCE(OBM_RESTORED)    }
    -- % , OBM_UPARROWD     = { MAKEINTRESOURCE(OBM_UPARROWD)    }
    -- % , OBM_DNARROWD     = { MAKEINTRESOURCE(OBM_DNARROWD)    }
    -- % , OBM_RGARROWD     = { MAKEINTRESOURCE(OBM_RGARROWD)    }
    -- % , OBM_LFARROWD     = { MAKEINTRESOURCE(OBM_LFARROWD)    }
    -- % , OBM_MNARROW      = { MAKEINTRESOURCE(OBM_MNARROW)     }
    -- % , OBM_COMBO        = { MAKEINTRESOURCE(OBM_COMBO)       }
    -- % , OBM_UPARROWI     = { MAKEINTRESOURCE(OBM_UPARROWI)    }
    -- % , OBM_DNARROWI     = { MAKEINTRESOURCE(OBM_DNARROWI)    }
    -- % , OBM_RGARROWI     = { MAKEINTRESOURCE(OBM_RGARROWI)    }
    -- % , OBM_LFARROWI     = { MAKEINTRESOURCE(OBM_LFARROWI)    }
    -- % , OBM_OLD_CLOSE    = { MAKEINTRESOURCE(OBM_OLD_CLOSE)   }
    -- % , OBM_SIZE         = { MAKEINTRESOURCE(OBM_SIZE)        }
    -- % , OBM_OLD_UPARROW  = { MAKEINTRESOURCE(OBM_OLD_UPARROW) }
    -- % , OBM_OLD_DNARROW  = { MAKEINTRESOURCE(OBM_OLD_DNARROW) }
    -- % , OBM_OLD_RGARROW  = { MAKEINTRESOURCE(OBM_OLD_RGARROW) }
    -- % , OBM_OLD_LFARROW  = { MAKEINTRESOURCE(OBM_OLD_LFARROW) }
    -- % , OBM_BTSIZE       = { MAKEINTRESOURCE(OBM_BTSIZE)      }
    -- % , OBM_CHECK        = { MAKEINTRESOURCE(OBM_CHECK)       }
    -- % , OBM_CHECKBOXES   = { MAKEINTRESOURCE(OBM_CHECKBOXES)  }
    -- % , OBM_BTNCORNERS   = { MAKEINTRESOURCE(OBM_BTNCORNERS)  }
    -- % , OBM_OLD_REDUCE   = { MAKEINTRESOURCE(OBM_OLD_REDUCE)  }
    -- % , OBM_OLD_ZOOM     = { MAKEINTRESOURCE(OBM_OLD_ZOOM)    }
    -- % , OBM_OLD_RESTORE  = { MAKEINTRESOURCE(OBM_OLD_RESTORE) }
    -- % ]

    ----------------------------------------------------------------
    -- Raster Ops
    ----------------------------------------------------------------

    sRCCOPY       :: RasterOp3
    sRCCOPY       =  13369376
    sRCPAINT      :: RasterOp3
    sRCPAINT      =  15597702
    sRCAND        :: RasterOp3
    sRCAND        =  8913094
    sRCINVERT     :: RasterOp3
    sRCINVERT     =  6684742
    sRCERASE      :: RasterOp3
    sRCERASE      =  4457256
    nOTSRCCOPY    :: RasterOp3
    nOTSRCCOPY    =  3342344
    nOTSRCERASE   :: RasterOp3
    nOTSRCERASE   =  1114278
    mERGECOPY     :: RasterOp3
    mERGECOPY     =  12583114
    mERGEPAINT    :: RasterOp3
    mERGEPAINT    =  12255782
    pATCOPY       :: RasterOp3
    pATCOPY       =  15728673
    pATPAINT      :: RasterOp3
    pATPAINT      =  16452105
    pATINVERT     :: RasterOp3
    pATINVERT     =  5898313
    dSTINVERT     :: RasterOp3
    dSTINVERT     =  5570569
    bLACKNESS     :: RasterOp3
    bLACKNESS     =  66
    wHITENESS     :: RasterOp3
    wHITENESS     =  16711778

    {-# LINE 164 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    ----------------------------------------------------------------
    -- BITMAP
    ----------------------------------------------------------------

    type BITMAP =
      ( INT     -- bmType
      , INT     -- bmWidth
      , INT     -- bmHeight
      , INT     -- bmWidthBytes
      , WORD    -- bmPlanes
      , WORD    -- bmBitsPixel
      , LPVOID  -- bmBits
      )

    peekBITMAP :: Ptr BITMAP -> IO BITMAP
    peekBITMAP p = do
      ty     <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p
    {-# LINE 182 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      width  <- (\hsc_ptr -> peekByteOff hsc_ptr 4) p
    {-# LINE 183 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      height <- (\hsc_ptr -> peekByteOff hsc_ptr 8) p
    {-# LINE 184 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      wbytes <- (\hsc_ptr -> peekByteOff hsc_ptr 12) p
    {-# LINE 185 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      planes <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
    {-# LINE 186 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      pixel  <- (\hsc_ptr -> peekByteOff hsc_ptr 18) p
    {-# LINE 187 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      bits   <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
    {-# LINE 188 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      return (ty, width, height, wbytes, planes, pixel, bits)

    pokeBITMAP :: Ptr BITMAP -> BITMAP -> IO ()
    pokeBITMAP p (ty, width, height, wbytes, planes, pixel, bits) = do
      (\hsc_ptr -> pokeByteOff hsc_ptr 0)       p ty
    {-# LINE 193 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      (\hsc_ptr -> pokeByteOff hsc_ptr 4)      p width
    {-# LINE 194 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      (\hsc_ptr -> pokeByteOff hsc_ptr 8)     p height
    {-# LINE 195 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      (\hsc_ptr -> pokeByteOff hsc_ptr 12) p wbytes
    {-# LINE 196 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      (\hsc_ptr -> pokeByteOff hsc_ptr 16)     p planes
    {-# LINE 197 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      (\hsc_ptr -> pokeByteOff hsc_ptr 18)  p pixel
    {-# LINE 198 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      (\hsc_ptr -> pokeByteOff hsc_ptr 20)       p bits
    {-# LINE 199 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    type LPBITMAP = Ptr BITMAP

    setBITMAP :: LPBITMAP -> BITMAP -> IO ()
    setBITMAP = pokeBITMAP

    ----------------------------------------------------------------
    -- Misc
    ----------------------------------------------------------------

    deleteBitmap :: HBITMAP -> IO ()
    deleteBitmap bitmap =
      failIfFalse_ "DeleteBitmap" $ c_DeleteBitmap bitmap
    foreign import stdcall unsafe "windows.h DeleteObject"
      c_DeleteBitmap :: HBITMAP -> IO Bool

    createBitmap :: INT -> INT -> UINT -> UINT -> Maybe LPVOID -> IO HBITMAP
    createBitmap w h planes bits mb_color_data =
      failIfNull "CreateBitmap" $
        c_CreateBitmap w h planes bits (maybePtr mb_color_data)
    foreign import stdcall unsafe "windows.h CreateBitmap"
      c_CreateBitmap :: INT -> INT -> UINT -> UINT -> LPVOID -> IO HBITMAP

    createBitmapIndirect :: LPBITMAP -> IO HBITMAP
    createBitmapIndirect p_bm =
      failIfNull "CreateBitmapIndirect" $ c_CreateBitmapIndirect p_bm
    foreign import stdcall unsafe "windows.h CreateBitmapIndirect"
      c_CreateBitmapIndirect :: LPBITMAP -> IO HBITMAP

    createCompatibleBitmap :: HDC -> Int32 -> Int32 -> IO HBITMAP
    createCompatibleBitmap dc w h =
      failIfNull "CreateCompatibleBitmap" $ c_CreateCompatibleBitmap dc w h
    foreign import stdcall unsafe "windows.h CreateCompatibleBitmap"
      c_CreateCompatibleBitmap :: HDC -> Int32 -> Int32 -> IO HBITMAP

    createDIBPatternBrushPt :: LPVOID -> ColorFormat -> IO HBRUSH
    createDIBPatternBrushPt bm usage =
      failIfNull "CreateDIBPatternBrushPt" $ c_CreateDIBPatternBrushPt bm usage
    foreign import stdcall unsafe "windows.h CreateDIBPatternBrushPt"
      c_CreateDIBPatternBrushPt :: LPVOID -> ColorFormat -> IO HBRUSH

    ----------------------------------------------------------------
    -- Querying
    ----------------------------------------------------------------

    getBitmapDimensionEx :: HBITMAP -> IO SIZE
    getBitmapDimensionEx bm =
      allocaSIZE $ \ p_size -> do
      failIfFalse_ "GetBitmapDimensionEx" $ c_GetBitmapDimensionEx bm p_size
      peekSIZE p_size
    foreign import stdcall unsafe "windows.h GetBitmapDimensionEx"
      c_GetBitmapDimensionEx :: HBITMAP -> Ptr SIZE -> IO Bool

    setBitmapDimensionEx :: HBITMAP -> SIZE -> IO SIZE
    setBitmapDimensionEx bm (cx,cy) =
      allocaSIZE $ \ p_size -> do
      failIfFalse_ "SetBitmapDimensionEx" $ do
        c_SetBitmapDimensionEx bm cx cy p_size
      peekSIZE p_size
    foreign import stdcall unsafe "windows.h SetBitmapDimensionEx"
      c_SetBitmapDimensionEx :: HBITMAP -> LONG -> LONG -> Ptr SIZE -> IO Bool

    getBitmapInfo :: HBITMAP -> IO BITMAP
    getBitmapInfo bm =
      allocaBytes (fromIntegral sizeofBITMAP) $ \ p_bm -> do
      failIfFalse_ "GetBitmapInfo" $ c_GetBitmapInfo bm sizeofBITMAP p_bm
      peekBITMAP p_bm
    foreign import stdcall unsafe "windows.h GetObjectW"
      c_GetBitmapInfo :: HBITMAP -> DWORD -> LPBITMAP -> IO Bool

    ----------------------------------------------------------------
    --
    ----------------------------------------------------------------

    type BitmapCompression = DWORD

    bI_RGB        :: BitmapCompression
    bI_RGB        =  0
    bI_RLE8       :: BitmapCompression
    bI_RLE8       =  1
    bI_RLE4       :: BitmapCompression
    bI_RLE4       =  2
    bI_BITFIELDS  :: BitmapCompression
    bI_BITFIELDS  =  3

    {-# LINE 281 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    type ColorFormat = DWORD

    dIB_PAL_COLORS  :: ColorFormat
    dIB_PAL_COLORS  =  1
    dIB_RGB_COLORS  :: ColorFormat
    dIB_RGB_COLORS  =  0

    {-# LINE 288 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    ----------------------------------------------------------------
    -- BITMAPINFO
    ----------------------------------------------------------------

    type LPBITMAPINFO = Ptr ()

    ----------------------------------------------------------------
    -- BITMAPINFOHEADER
    ----------------------------------------------------------------

    type BITMAPINFOHEADER =
     ( DWORD              -- biSize      -- sizeof(BITMAPINFOHEADER)
     , LONG               -- biWidth
     , LONG               -- biHeight
     , WORD               -- biPlanes
     , WORD               -- biBitCount  -- 1, 4, 8, 16, 24 or 32
     , BitmapCompression  -- biCompression
     , DWORD              -- biSizeImage
     , LONG               -- biXPelsPerMeter
     , LONG               -- biYPelsPerMeter
     , Maybe DWORD        -- biClrUsed
     , Maybe DWORD        -- biClrImportant
     )

    peekBITMAPINFOHEADER :: Ptr BITMAPINFOHEADER -> IO BITMAPINFOHEADER
    peekBITMAPINFOHEADER p = do
      size     <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p
    {-# LINE 316 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      width    <- (\hsc_ptr -> peekByteOff hsc_ptr 4) p
    {-# LINE 317 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      height   <- (\hsc_ptr -> peekByteOff hsc_ptr 8) p
    {-# LINE 318 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      planes   <- (\hsc_ptr -> peekByteOff hsc_ptr 12) p
    {-# LINE 319 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      nbits    <- (\hsc_ptr -> peekByteOff hsc_ptr 14) p
    {-# LINE 320 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      comp     <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
    {-# LINE 321 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      imsize   <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
    {-# LINE 322 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      xDensity <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
    {-# LINE 323 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      yDensity <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
    {-# LINE 324 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      clrUsed  <- liftM numToMaybe $ (\hsc_ptr -> peekByteOff hsc_ptr 32) p
    {-# LINE 325 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      clrImp   <- liftM numToMaybe $ (\hsc_ptr -> peekByteOff hsc_ptr 36) p
    {-# LINE 326 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      return (size, width, height, planes, nbits, comp, imsize,
              xDensity, yDensity, clrUsed, clrImp)

    type LPBITMAPINFOHEADER   = Ptr BITMAPINFOHEADER

    getBITMAPINFOHEADER_ :: LPBITMAPINFOHEADER -> IO BITMAPINFOHEADER
    getBITMAPINFOHEADER_ = peekBITMAPINFOHEADER

    ----------------------------------------------------------------
    -- BITMAPFILEHEADER
    ----------------------------------------------------------------

    type BITMAPFILEHEADER =
     ( WORD   -- bfType      -- "BM" == 0x4d42
     , DWORD  -- bfSize      -- number of bytes in file
     , WORD   -- bfReserved1 -- == 0
     , WORD   -- bfReserved2 -- == 0
     , DWORD  -- bfOffBits   -- == (char*) bits - (char*) filehdr
     )

    peekBITMAPFILEHEADER :: Ptr BITMAPFILEHEADER -> IO BITMAPFILEHEADER
    peekBITMAPFILEHEADER p = do
      ty     <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p
    {-# LINE 349 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      size   <- (\hsc_ptr -> peekByteOff hsc_ptr 2) p
    {-# LINE 350 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      res1   <- (\hsc_ptr -> peekByteOff hsc_ptr 6) p
    {-# LINE 351 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      res2   <- (\hsc_ptr -> peekByteOff hsc_ptr 8) p
    {-# LINE 352 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      offset <- (\hsc_ptr -> peekByteOff hsc_ptr 10) p
    {-# LINE 353 "Graphics\Win32\GDI\Bitmap.hsc" #-}
      return (ty, size, res1, res2, offset)

    type LPBITMAPFILEHEADER = Ptr BITMAPFILEHEADER

    getBITMAPFILEHEADER :: LPBITMAPFILEHEADER -> IO BITMAPFILEHEADER
    getBITMAPFILEHEADER = peekBITMAPFILEHEADER

    sizeofBITMAP             :: Word32
    sizeofBITMAP             = (24)
    {-# LINE 362 "Graphics\Win32\GDI\Bitmap.hsc" #-}
    sizeofBITMAPINFO         :: Word32
    sizeofBITMAPINFO         = (44)
    {-# LINE 364 "Graphics\Win32\GDI\Bitmap.hsc" #-}
    sizeofBITMAPINFOHEADER   :: Word32
    sizeofBITMAPINFOHEADER   = (40)
    {-# LINE 366 "Graphics\Win32\GDI\Bitmap.hsc" #-}
    sizeofBITMAPFILEHEADER   :: Word32
    sizeofBITMAPFILEHEADER   = (14)
    {-# LINE 368 "Graphics\Win32\GDI\Bitmap.hsc" #-}
    sizeofLPBITMAPFILEHEADER :: Word32
    sizeofLPBITMAPFILEHEADER = (14)
    {-# LINE 370 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    ----------------------------------------------------------------
    -- CreateBMPFile
    ----------------------------------------------------------------

    -- A (large) helper function - courtesy of Microsoft

    createBMPFile :: String -> HBITMAP -> HDC -> IO ()
    createBMPFile name bm dc =
      withCString name $ \ c_name ->
      c_CreateBMPFile c_name bm dc
    foreign import ccall unsafe "dumpBMP.h CreateBMPFile"
      c_CreateBMPFile :: LPCSTR -> HBITMAP -> HDC -> IO ()

    {-# CFILES cbits/dumpBMP.c #-}

    ----------------------------------------------------------------
    -- Device Independent Bitmaps
    ----------------------------------------------------------------

    cBM_INIT  :: DWORD
    cBM_INIT  =  4

    {-# LINE 393 "Graphics\Win32\GDI\Bitmap.hsc" #-}

    getDIBits :: HDC -> HBITMAP -> INT -> INT -> Maybe LPVOID -> LPBITMAPINFO -> ColorFormat -> IO INT
    getDIBits dc bm start nlines mb_bits info usage =
      failIfZero "GetDIBits" $
        c_GetDIBits dc bm start nlines (maybePtr mb_bits) info usage
    foreign import stdcall unsafe "windows.h GetDIBits"
      c_GetDIBits :: HDC -> HBITMAP -> INT -> INT -> LPVOID -> LPBITMAPINFO -> ColorFormat -> IO INT

    setDIBits :: HDC -> HBITMAP -> INT -> INT -> LPVOID -> LPBITMAPINFO -> ColorFormat -> IO INT
    setDIBits dc bm start nlines bits info use =
      failIfZero "SetDIBits" $ c_SetDIBits dc bm start nlines bits info use
    foreign import stdcall unsafe "windows.h SetDIBits"
      c_SetDIBits :: HDC -> HBITMAP -> INT -> INT -> LPVOID -> LPBITMAPINFO -> ColorFormat -> IO INT

    createDIBitmap :: HDC -> LPBITMAPINFOHEADER -> DWORD -> LPVOID -> LPBITMAPINFO -> ColorFormat -> IO HBITMAP
    createDIBitmap dc hdr option init_val info usage =
      failIfNull "CreateDIBitmap" $
        c_CreateDIBitmap dc hdr option init_val info usage
    foreign import stdcall unsafe "windows.h CreateDIBitmap"
      c_CreateDIBitmap :: HDC -> LPBITMAPINFOHEADER -> DWORD -> LPVOID -> LPBITMAPINFO -> ColorFormat -> IO HBITMAP

    ----------------------------------------------------------------
    -- End
    ----------------------------------------------------------------