reactos/dll/win32/gdi32/objects/bitmap.c

#include "precomp.h"

#define NDEBUG
#include <debug.h>

/*
 * Return the full scan size for a bitmap.
 *
 * Based on Wine, Utils.c and Windows Graphics Prog pg 595, SDK amvideo.h.
 */
UINT
FASTCALL
DIB_BitmapMaxBitsSize( PBITMAPINFO Info, UINT ScanLines )
{
    UINT MaxBits = 0;

    if (!Info) return 0;

    if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
    {
       PBITMAPCOREHEADER Core = (PBITMAPCOREHEADER)Info;
       MaxBits = Core->bcBitCount * Core->bcPlanes * Core->bcWidth;
    }
    else  /* assume BITMAPINFOHEADER */
    {
       if ((Info->bmiHeader.biCompression) && (Info->bmiHeader.biCompression != BI_BITFIELDS))
           return Info->bmiHeader.biSizeImage;
    // Planes are over looked by Yuan. I guess assumed always 1.
       MaxBits = Info->bmiHeader.biBitCount * Info->bmiHeader.biPlanes * Info->bmiHeader.biWidth;
    }
    MaxBits = ((MaxBits + 31) & ~31 ) / 8; // From Yuan, ScanLineSize = (Width * bitcount + 31)/32
    return (MaxBits * ScanLines);  // ret the full Size.
}

UINT
FASTCALL
DIB_BitmapBitsSize( CONST BITMAPINFO* Info )
{
  UINT Ret;

  if (!Info) return 0;

  if ( Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
  {
     PBITMAPCOREHEADER Core = (PBITMAPCOREHEADER)Info;
     Ret = Core->bcHeight *
          ((Core->bcWidth * Core->bcPlanes * Core->bcBitCount  + 31) & ~31 ) / 8;
  }
  else /* assume BITMAPINFOHEADER */
  {
     if ((Info->bmiHeader.biCompression) &&
         (Info->bmiHeader.biCompression != BI_BITFIELDS))
         return Info->bmiHeader.biSizeImage;
        // Make Height positive always....
     Ret = abs(Info->bmiHeader.biHeight) *
          ((Info->bmiHeader.biWidth * Info->bmiHeader.biPlanes * Info->bmiHeader.biBitCount + 31) & ~31 ) / 8;
  }
  return Ret;
}


/*
 * DIB_GetBitmapInfo is complete copy of wine cvs 2/9-2006
 * from file dib.c from gdi32.dll or orginal version
 * did not calc the info right for some headers.
 */
INT
WINAPI
DIB_GetBitmapInfo(const BITMAPINFOHEADER *header,
                  PLONG width,
                  PLONG height,
                  PWORD planes,
                  PWORD bpp,
                  PLONG compr,
                  PLONG size )
{
  if (header->biSize == sizeof(BITMAPCOREHEADER))
  {
     BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)header;
     *width  = core->bcWidth;
     *height = core->bcHeight;
     *planes = core->bcPlanes;
     *bpp    = core->bcBitCount;
     *compr  = 0;
     *size   = 0;
     return 0;
  }

  if (header->biSize == sizeof(BITMAPINFOHEADER))
  {
     *width  = header->biWidth;
     *height = header->biHeight;
     *planes = header->biPlanes;
     *bpp    = header->biBitCount;
     *compr  = header->biCompression;
     *size   = header->biSizeImage;
     return 1;
  }

  if (header->biSize == sizeof(BITMAPV4HEADER))
  {
      BITMAPV4HEADER *v4hdr = (BITMAPV4HEADER *)header;
      *width  = v4hdr->bV4Width;
      *height = v4hdr->bV4Height;
      *planes = v4hdr->bV4Planes;
      *bpp    = v4hdr->bV4BitCount;
      *compr  = v4hdr->bV4V4Compression;
      *size   = v4hdr->bV4SizeImage;
      return 4;
  }

  if (header->biSize == sizeof(BITMAPV5HEADER))
  {
      BITMAPV5HEADER *v5hdr = (BITMAPV5HEADER *)header;
      *width  = v5hdr->bV5Width;
      *height = v5hdr->bV5Height;
      *planes = v5hdr->bV5Planes;
      *bpp    = v5hdr->bV5BitCount;
      *compr  = v5hdr->bV5Compression;
      *size   = v5hdr->bV5SizeImage;
      return 5;
  }
  DPRINT("(%ld): wrong size for header\n", header->biSize );
  return -1;
}

/*
 * @implemented
 */
int
WINAPI
GdiGetBitmapBitsSize(BITMAPINFO *lpbmi)
{
    int retSize;

    if (lpbmi->bmiHeader.biSize == FIELD_OFFSET(BITMAPINFOHEADER, biPlanes))
    {
        /* Calc the bits Size and align it*/
        retSize = HIWORD(lpbmi->bmiHeader.biWidth) * ((LOWORD(lpbmi->bmiHeader.biWidth) *
                  LOWORD(lpbmi->bmiHeader.biHeight) * HIWORD(lpbmi->bmiHeader.biHeight) + 31)
                  & -32) / 8;
    }
    else
    {
        if ( (lpbmi->bmiHeader.biCompression == BI_BITFIELDS) ||
             (lpbmi->bmiHeader.biCompression == BI_RGB))
        {
            if (lpbmi->bmiHeader.biHeight >=0 )
            {
                /* Calc the bits Size and align it*/
                retSize = lpbmi->bmiHeader.biHeight * ((lpbmi->bmiHeader.biWidth *
                          lpbmi->bmiHeader.biPlanes * lpbmi->bmiHeader.biBitCount + 31) & -32) / 8;
            }
            else
            {
                /* Make height postiive if it negitve then calc the bits Size and align it*/
                retSize = (-lpbmi->bmiHeader.biHeight) * ((lpbmi->bmiHeader.biWidth *
                          lpbmi->bmiHeader.biPlanes * lpbmi->bmiHeader.biBitCount + 31) & -32) / 8;
            }
        }
        else
        {
            retSize = lpbmi->bmiHeader.biSizeImage;
        }
    }
    return retSize;
}

/*
 * @implemented
 */
HBITMAP WINAPI
CreateDIBSection(
   HDC hDC,
   CONST BITMAPINFO *BitmapInfo,
   UINT Usage,
   VOID **Bits,
   HANDLE hSection,
   DWORD dwOffset)
{
   PBITMAPINFO pConvertedInfo;
   UINT ConvertedInfoSize;
   HBITMAP hBitmap = NULL;
   PVOID  bmBits = NULL;

   pConvertedInfo = ConvertBitmapInfo(BitmapInfo, Usage,
                                      &ConvertedInfoSize, FALSE);
   if (pConvertedInfo)
   {  // Verify header due to converted may == info.
      if ( pConvertedInfo->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER) )
      {
         if ( pConvertedInfo->bmiHeader.biCompression == BI_JPEG ||
              pConvertedInfo->bmiHeader.biCompression  == BI_PNG )
         {
            SetLastError(ERROR_INVALID_PARAMETER);
            return NULL;
         }
      }
      bmBits = Bits;
      hBitmap = NtGdiCreateDIBSection( hDC,
                                       hSection,
                                       dwOffset,
                                       pConvertedInfo,
                                       Usage,
                                       0,
                                       0,
                                       0,
                                       &bmBits);
      if (BitmapInfo != pConvertedInfo)
         RtlFreeHeap(RtlGetProcessHeap(), 0, pConvertedInfo);

      if (!hBitmap)
      {
         bmBits = NULL;
      }
   }

   if (Bits) *Bits = bmBits;

   return hBitmap;
}


/*
 * @implemented
 */
BOOL
WINAPI
BitBlt(HDC hdcDest,      /* handle to destination DC */
       int nXOriginDest, /* x-coord of destination upper-left corner */
       int nYOriginDest, /* y-coord of destination upper-left corner */
       int nWidthDest,   /* width of destination rectangle */
       int nHeightDest,  /* height of destination rectangle */
       HDC hdcSrc,       /* handle to source DC */
       int nXSrc,        /* x-coordinate of source upper-left corner */
       int nYSrc,        /* y-coordinate of source upper-left corner */
       DWORD dwRop)      /* raster operation code */
{
    /* use patBlt for no source blt  Like windows does */
    if (!ROP_USES_SOURCE(dwRop))
    {
         return PatBlt(hdcDest, nXOriginDest, nYOriginDest, nWidthDest, nHeightDest, dwRop);
    }

    return NtGdiBitBlt(hdcDest,
                       nXOriginDest,
                       nYOriginDest,
                       nWidthDest,
                       nHeightDest,
                       hdcSrc,
                       nXSrc,
                       nYSrc,
                       dwRop,
                       0,
                       0);
}

/*
 * @implemented
 */
BOOL WINAPI
StretchBlt(
   HDC hdcDest,      /* handle to destination DC */
   int nXOriginDest, /* x-coord of destination upper-left corner */
   int nYOriginDest, /* y-coord of destination upper-left corner */
   int nWidthDest,   /* width of destination rectangle */
   int nHeightDest,  /* height of destination rectangle */
   HDC hdcSrc,       /* handle to source DC */
   int nXOriginSrc,  /* x-coord of source upper-left corner */
   int nYOriginSrc,  /* y-coord of source upper-left corner */
   int nWidthSrc,    /* width of source rectangle */
   int nHeightSrc,   /* height of source rectangle */
   DWORD dwRop)      /* raster operation code */

{
   if ((nWidthDest != nWidthSrc) || (nHeightDest != nHeightSrc))
   {
      return NtGdiStretchBlt(hdcDest, nXOriginDest, nYOriginDest, nWidthDest,
                             nHeightDest, hdcSrc, nXOriginSrc, nYOriginSrc,
                             nWidthSrc, nHeightSrc, dwRop, 0);
   }

   return NtGdiBitBlt(hdcDest, nXOriginDest, nYOriginDest, nWidthDest,
                      nHeightDest, hdcSrc, nXOriginSrc, nYOriginSrc, dwRop, 0, 0);
}

/*
 * @unimplemented
 */
HBITMAP WINAPI
CreateBitmap(INT  Width,
             INT  Height,
             UINT  Planes,
             UINT  BitsPixel,
             CONST VOID* pUnsafeBits)
{
    /* FIXME some part should be done in user mode */
    if (Width && Height)
    {
        return NtGdiCreateBitmap(Width, Height, Planes, BitsPixel, (LPBYTE) pUnsafeBits);
    }
    else
    {
        /* Return 1x1 bitmap */
        return GetStockObject(DEFAULT_BITMAP);
    }
}

/*
 * @implemented
 */
HBITMAP WINAPI
CreateBitmapIndirect(const BITMAP *pbm)
{
   HBITMAP bitmap = NULL;

   /* Note windows xp/2003 does not check if pbm is NULL or not */
   if ( (pbm->bmWidthBytes != 0) &&
        (!(pbm->bmWidthBytes & 1)) )

   {

      bitmap = CreateBitmap(pbm->bmWidth,
                            pbm->bmHeight,
                            pbm->bmPlanes,
                            pbm->bmBitsPixel,
                            pbm->bmBits);
   }
   else
   {
       SetLastError(ERROR_INVALID_PARAMETER);
   }

   return bitmap;
}

HBITMAP WINAPI
CreateDiscardableBitmap(
   HDC  hDC,
   INT  Width,
   INT  Height)
{
   return  CreateCompatibleBitmap(hDC, Width, Height);
}


HBITMAP WINAPI
CreateCompatibleBitmap(
   HDC  hDC,
   INT  Width,
   INT  Height)
{
  PDC_ATTR pDc_Attr;
  HBITMAP hBmp = NULL;
  DIBSECTION dibs;

  if (!GdiGetHandleUserData(hDC, GDI_OBJECT_TYPE_DC, (PVOID)&pDc_Attr))
     return NULL;

  if ( !Width || !Height )
     return GetStockObject(DEFAULT_BITMAP);

  if (!(pDc_Attr->ulDirty_ & DC_DIBSECTION))
  {
     return  NtGdiCreateCompatibleBitmap(hDC, Width, Height);
  }

  hBmp = NtGdiGetDCObject(hDC, GDI_OBJECT_TYPE_BITMAP);

  if ( GetObjectA(hBmp, sizeof(DIBSECTION), &dibs) != sizeof(DIBSECTION) )
     return NULL;

  if ( dibs.dsBm.bmBitsPixel <= 8 )
     GetDIBColorTable(hDC, 0, 256, (RGBQUAD *)&dibs.dsBitfields);

  dibs.dsBmih.biWidth = Width;
  dibs.dsBmih.biHeight = Height;

  return CreateDIBSection(hDC, (CONST BITMAPINFO *)&dibs.dsBmih, 0, NULL, NULL, 0);
}


INT
WINAPI
GetDIBits(
    HDC hDC,
    HBITMAP hbmp,
    UINT uStartScan,
    UINT cScanLines,
    LPVOID lpvBits,
    LPBITMAPINFO lpbmi,
    UINT uUsage)
{
  INT Ret = 0;
  UINT cjBmpScanSize;
  PVOID pvSafeBits = lpvBits;

  if (!hDC || !GdiIsHandleValid((HGDIOBJ)hDC))
  {
     GdiSetLastError(ERROR_INVALID_PARAMETER);
     return Ret;
  }

  cjBmpScanSize = DIB_BitmapMaxBitsSize(lpbmi, cScanLines);

  if ( lpvBits )
  {
     if ( lpbmi )
     {
        if ( lpbmi->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER) )
        {
           if ( lpbmi->bmiHeader.biCompression == BI_JPEG ||
                lpbmi->bmiHeader.biCompression == BI_PNG )
           {
              SetLastError(ERROR_INVALID_PARAMETER);
              return Ret;
           }
        }
     }

     if ((ULONG)lpvBits & (sizeof(DWORD) - 1))
     {
         pvSafeBits = RtlAllocateHeap(RtlGetProcessHeap(), 0, cjBmpScanSize);
         if (!pvSafeBits)
            return Ret;
     }
  }

  Ret = NtGdiGetDIBitsInternal(hDC,
                               hbmp,
                               uStartScan,
                               cScanLines,
                               pvSafeBits,
                               lpbmi,
                               uUsage,
                               cjBmpScanSize,
                               0);
  if (lpvBits != pvSafeBits)
  {
     if (Ret)
     {
        RtlCopyMemory(lpvBits, pvSafeBits, cjBmpScanSize);
     }
     RtlFreeHeap(RtlGetProcessHeap(), 0, pvSafeBits);
  }
  return Ret;
}

/*
 * @implemented
 */
HBITMAP
WINAPI
CreateDIBitmap( HDC hDC,
                const BITMAPINFOHEADER *Header,
                DWORD Init,
                LPCVOID Bits,
                const BITMAPINFO *Data,
                UINT ColorUse)
{
  LONG width, height, compr, dibsize;
  WORD planes, bpp;
//  PDC_ATTR pDc_Attr;
  UINT InfoSize = 0;
  UINT cjBmpScanSize = 0;
  HBITMAP hBmp;
  NTSTATUS Status = STATUS_SUCCESS;

  if (!Header) return 0;

  if (DIB_GetBitmapInfo(Header, &width, &height, &planes, &bpp, &compr, &dibsize) == -1)
  {
     GdiSetLastError(ERROR_INVALID_PARAMETER);
     return NULL;
  }

// For Icm support.
// GdiGetHandleUserData(hdc, GDI_OBJECT_TYPE_DC, (PVOID)&pDc_Attr))

  if(Data)
  {
      _SEH2_TRY
      {
          cjBmpScanSize = DIB_BitmapBitsSize(Data);
          CalculateColorTableSize(&Data->bmiHeader, &ColorUse, &InfoSize);
          InfoSize += Data->bmiHeader.biSize;
      }
      _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
      {
            Status = _SEH2_GetExceptionCode();
      }
      _SEH2_END
  }

  if(!NT_SUCCESS(Status))
  {
     GdiSetLastError(ERROR_INVALID_PARAMETER);
     return NULL;
  }

  DPRINT("pBMI %x, Size bpp %d, dibsize %d, Conv %d, BSS %d\n", Data,bpp,dibsize,InfoSize,cjBmpScanSize);

  if ( !width || !height )
     hBmp = GetStockObject(DEFAULT_BITMAP);
  else
  {
     hBmp = NtGdiCreateDIBitmapInternal(hDC,
                                        width,
                                        height,
                                        Init,
                                        (LPBYTE)Bits,
                                        (LPBITMAPINFO)Data,
                                        ColorUse,
                                        InfoSize,
                                        cjBmpScanSize,
                                        0,
                                        0);
  }
  return hBmp;
}

#if 0 // FIXME!!! This is a victim of the Win32k Initialization BUG!!!!!
/*
 * @implemented
 */
INT
WINAPI
SetDIBits(HDC hDC,
          HBITMAP hBitmap,
          UINT uStartScan,
          UINT cScanLines,
          CONST VOID *lpvBits,
          CONST BITMAPINFO *lpbmi,
          UINT fuColorUse)
{
 HDC hDCc, SavehDC, nhDC;
 DWORD dwWidth, dwHeight;
 HGDIOBJ hOldBitmap;
 HPALETTE hPal = NULL;
 INT LinesCopied = 0;
 BOOL newDC = FALSE;

 if ( !lpvBits || (GDI_HANDLE_GET_TYPE(hBitmap) != GDI_OBJECT_TYPE_BITMAP) )
    return 0;

 if ( lpbmi )
 {
    if ( lpbmi->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER) )
    {
      if ( lpbmi->bmiHeader.biCompression == BI_JPEG || lpbmi->bmiHeader.biCompression == BI_PNG )
      {
        SetLastError(ERROR_INVALID_PARAMETER);
        return 0;
      }
    }
 }

 hDCc = NtGdiGetDCforBitmap(hBitmap);
 SavehDC = hDCc;
 if ( !hDCc )
 {
    nhDC = CreateCompatibleDC(hDC);
    if ( !nhDC ) return 0;
    newDC = TRUE;
    SavehDC = nhDC;
 }
 else if ( !SaveDC(hDCc) )
           return 0;

 hOldBitmap = SelectObject(SavehDC, hBitmap);

 if ( hOldBitmap )
 {
    if ( hDC )
      hPal = SelectPalette(SavehDC, (HPALETTE)GetDCObject(hDC, GDI_OBJECT_TYPE_PALETTE), FALSE);

    if ( lpbmi->bmiHeader.biSize < sizeof(BITMAPINFOHEADER))
    {
      PBITMAPCOREINFO pbci = (PBITMAPCOREINFO) lpbmi;
      dwWidth = pbci->bmciHeader.bcWidth;
      dwHeight = pbci->bmciHeader.bcHeight;
    }
    else
    {
      dwWidth = lpbmi->bmiHeader.biWidth;
      dwHeight = abs(lpbmi->bmiHeader.biHeight);
    }

    LinesCopied = SetDIBitsToDevice(SavehDC,
                                          0,
                                          0,
                                    dwWidth,
                                   dwHeight,
                                          0,
                                          0,
                                 uStartScan,
                                 cScanLines,
                            (void *)lpvBits,
                        (LPBITMAPINFO)lpbmi,
                                 fuColorUse);

    if ( hDC ) SelectPalette(SavehDC, hPal, FALSE);

    SelectObject(SavehDC, hOldBitmap);
 }

 if ( newDC )
    DeleteDC(SavehDC);
 else
    RestoreDC(SavehDC, -1);

 return LinesCopied;
}
#endif

INT
WINAPI
SetDIBits(HDC hdc,
          HBITMAP hbmp,
          UINT uStartScan,
          UINT cScanLines,
          CONST VOID *lpvBits,
          CONST BITMAPINFO *lpbmi,
          UINT fuColorUse)
{
  PBITMAPINFO pConvertedInfo;
  UINT ConvertedInfoSize;
  INT LinesCopied = 0;
  UINT cjBmpScanSize = 0;
  PVOID pvSafeBits = (PVOID)lpvBits;

// This needs to be almost the sames as SetDIBitsToDevice

  if ( !cScanLines || !lpbmi || !lpvBits || (GDI_HANDLE_GET_TYPE(hbmp) != GDI_OBJECT_TYPE_BITMAP))
     return 0;

  if ( fuColorUse && fuColorUse != DIB_PAL_COLORS && fuColorUse != DIB_PAL_COLORS+1 )
     return 0;

  pConvertedInfo = ConvertBitmapInfo(lpbmi, fuColorUse,
                                      &ConvertedInfoSize, FALSE);
  if (!pConvertedInfo)
     return 0;

  cjBmpScanSize = DIB_BitmapMaxBitsSize((LPBITMAPINFO)lpbmi, cScanLines);

  if ( lpvBits )
  {
     pvSafeBits = RtlAllocateHeap(GetProcessHeap(), 0, cjBmpScanSize);
     if (pvSafeBits)
        RtlCopyMemory( pvSafeBits, lpvBits, cjBmpScanSize);
  }

  LinesCopied = NtGdiSetDIBits( hdc,
                               hbmp,
                         uStartScan,
                         cScanLines,
                         pvSafeBits,
                     pConvertedInfo,
                         fuColorUse);

  if ( lpvBits != pvSafeBits)
     RtlFreeHeap(RtlGetProcessHeap(), 0, pvSafeBits);
  if (lpbmi != pConvertedInfo)
     RtlFreeHeap(RtlGetProcessHeap(), 0, pConvertedInfo);
  return LinesCopied;
}

/*
 * @implemented
 *
 */
INT
WINAPI
SetDIBitsToDevice(
    HDC hdc,
    int XDest,
    int YDest,
    DWORD Width,
    DWORD Height,
    int XSrc,
    int YSrc,
    UINT StartScan,
    UINT ScanLines,
    CONST VOID *Bits,
    CONST BITMAPINFO *lpbmi,
    UINT ColorUse)
{
  PDC_ATTR pDc_Attr;
  PBITMAPINFO pConvertedInfo;
  UINT ConvertedInfoSize;
  INT LinesCopied = 0;
  UINT cjBmpScanSize = 0;
  PVOID pvSafeBits = (PVOID)Bits;

  if ( !ScanLines || !lpbmi || !Bits )
     return 0;

  if ( ColorUse && ColorUse != DIB_PAL_COLORS && ColorUse != DIB_PAL_COLORS+1 )
     return 0;

  pConvertedInfo = ConvertBitmapInfo(lpbmi, ColorUse,
                                      &ConvertedInfoSize, FALSE);
  if (!pConvertedInfo)
     return 0;

#if 0
// Handle something other than a normal dc object.
  if (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)
  {
     if (GDI_HANDLE_GET_TYPE(hdc) == GDI_OBJECT_TYPE_METADC)
      return MFDRV_SetDIBitsToDevice( hdc,
                                      XDest,
                                      YDest,
                                      Width,
                                      Height,
                                      XSrc,
                                      YSrc,
                                      StartScan,
                                      ScanLines,
                                      Bits,
                                      lpbmi,
                                      ColorUse);
     else
     {
      PLDC pLDC = GdiGetLDC(hdc);
      if ( !pLDC )
      {
         SetLastError(ERROR_INVALID_HANDLE);
         return 0;
      }
      if (pLDC->iType == LDC_EMFLDC)
      {
        return EMFDRV_SetDIBitsToDevice(hdc,
                                       XDest,
                                       YDest,
                                       Width,
                                       Height,
                                       XSrc,
                                       YSrc,
                                       StartScan,
                                       ScanLines,
                                       Bits,
                                       lpbmi,
                                       ColorUse);
      }
      return 0;
     }
  }
#endif
  cjBmpScanSize = DIB_BitmapMaxBitsSize((LPBITMAPINFO)lpbmi, ScanLines);

  if ( Bits )
  {
     pvSafeBits = RtlAllocateHeap(GetProcessHeap(), 0, cjBmpScanSize);
     if (pvSafeBits)
        RtlCopyMemory( pvSafeBits, Bits, cjBmpScanSize);
  }

  if (!GdiGetHandleUserData(hdc, GDI_OBJECT_TYPE_DC, (PVOID)&pDc_Attr))
  {
     SetLastError(ERROR_INVALID_PARAMETER);
     return 0;
  }
/*
  if ( !pDc_Attr ||
       ((pConvertedInfo->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER)) &&
       (pConvertedInfo->bmiHeader.biCompression == BI_JPEG ||
        pConvertedInfo->bmiHeader.biCompression  == BI_PNG )) )*/
  {
    LinesCopied = NtGdiSetDIBitsToDeviceInternal( hdc,
                                                XDest,
                                                YDest,
                                                Width,
                                               Height,
                                                 XSrc,
                                                 YSrc,
                                            StartScan,
                                            ScanLines,
                                   (LPBYTE)pvSafeBits,
                         (LPBITMAPINFO)pConvertedInfo,
                                             ColorUse,
                                        cjBmpScanSize,
                                    ConvertedInfoSize,
                                                 TRUE,
                                                 NULL);
  }
  if ( Bits != pvSafeBits)
     RtlFreeHeap(RtlGetProcessHeap(), 0, pvSafeBits);
  if (lpbmi != pConvertedInfo)
     RtlFreeHeap(RtlGetProcessHeap(), 0, pConvertedInfo);

  return LinesCopied;
}


/*
 * @unimplemented
 */
int
WINAPI
StretchDIBits(HDC hdc,
              int XDest,
              int YDest,
              int nDestWidth,
              int nDestHeight,
              int XSrc,
              int YSrc,
              int nSrcWidth,
              int nSrcHeight,
              CONST VOID *lpBits,
              CONST BITMAPINFO *lpBitsInfo,
              UINT iUsage,
              DWORD dwRop)

{
  PDC_ATTR pDc_Attr;
  PBITMAPINFO pConvertedInfo = NULL;
  UINT ConvertedInfoSize = 0;
  INT LinesCopied = 0;
  UINT cjBmpScanSize = 0;
  PVOID pvSafeBits = NULL;
  BOOL Hit = FALSE;

  DPRINT("StretchDIBits %x : %x : %d\n", lpBits, lpBitsInfo, iUsage);
#if 0
// Handle something other than a normal dc object.
  if (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)
  {
    if (GDI_HANDLE_GET_TYPE(hdc) == GDI_OBJECT_TYPE_METADC)
      return MFDRV_StretchBlt( hdc,
                               XDest,
                               YDest,
                               nDestWidth,
                               nDestHeight,
                               XSrc,
                               YSrc,
                               nSrcWidth,
                               nSrcHeight,
                               lpBits,
                               lpBitsInfo,
                               iUsage,
                               dwRop);
    else
    {
      PLDC pLDC = GdiGetLDC(hdc);
      if ( !pLDC )
      {
         SetLastError(ERROR_INVALID_HANDLE);
         return 0;
      }
      if (pLDC->iType == LDC_EMFLDC)
      {
        return EMFDRV_StretchBlt(hdc,
                                 XDest,
                                 YDest,
                                 nDestWidth,
                                 nDestHeight,
                                 XSrc,
                                 YSrc,
                                 nSrcWidth,
                                 nSrcHeight,
                                 lpBits,
                                 lpBitsInfo,
                                 iUsage,
                                 dwRop);
      }
      return 0;
    }
  }
#endif
    pConvertedInfo = ConvertBitmapInfo(lpBitsInfo, iUsage,
                                  &ConvertedInfoSize, FALSE);
    if (!pConvertedInfo)
    {
        return 0;
    }

  cjBmpScanSize = DIB_BitmapBitsSize((LPBITMAPINFO)pConvertedInfo);

  if ( lpBits )
  {
     pvSafeBits = RtlAllocateHeap(GetProcessHeap(), 0, cjBmpScanSize);
     if (pvSafeBits)
     {
        _SEH2_TRY
        {
           RtlCopyMemory( pvSafeBits, lpBits, cjBmpScanSize );
        }
        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
        {
            Hit = TRUE;
        }
        _SEH2_END

        if (Hit)
        {
        // We don't die, we continue on with a allocated safe pointer to kernel
        // space.....
           DPRINT1("StretchDIBits fail to read BitMapInfo: %x or Bits: %x & Size: %d\n",pConvertedInfo,lpBits,cjBmpScanSize);
        }
        DPRINT("StretchDIBits Allocate Bits %d!!!\n", cjBmpScanSize);
     }
  }

  if (!GdiGetHandleUserData(hdc, GDI_OBJECT_TYPE_DC, (PVOID)&pDc_Attr))
  {
     SetLastError(ERROR_INVALID_PARAMETER);
     return 0;
  }
/*
  if ( !pDc_Attr ||
       ((pConvertedInfo->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER)) &&
       (pConvertedInfo->bmiHeader.biCompression == BI_JPEG ||
        pConvertedInfo->bmiHeader.biCompression  == BI_PNG )) )*/
  {
     LinesCopied = NtGdiStretchDIBitsInternal( hdc,
                                             XDest,
                                             YDest,
                                        nDestWidth,
                                       nDestHeight,
                                              XSrc,
                                              YSrc,
                                         nSrcWidth,
                                        nSrcHeight,
                                        pvSafeBits,
                                    pConvertedInfo,
                                     (DWORD)iUsage,
                                             dwRop,
                                 ConvertedInfoSize,
                                     cjBmpScanSize,
                                              NULL);
  }
  if ( pvSafeBits )
     RtlFreeHeap(RtlGetProcessHeap(), 0, pvSafeBits);
  if (lpBitsInfo != pConvertedInfo)
     RtlFreeHeap(RtlGetProcessHeap(), 0, pConvertedInfo);

  return LinesCopied;
}