print.c File Reference

#include <win32k.h>
#include <debug.h>

Include dependency graph for print.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
INT APIENTRY	NtGdiAbortDoc (HDC hDC)
INT APIENTRY	NtGdiEndDoc (HDC hDC)
INT APIENTRY	NtGdiEndPage (HDC hDC)
INT FASTCALL	IntGdiEscape (PDC dc, INT Escape, INT InSize, LPCSTR InData, LPVOID OutData)
INT APIENTRY	NtGdiEscape (HDC hDC, INT Escape, INT InSize, LPCSTR InData, LPVOID OutData)
INT APIENTRY	NtGdiExtEscape (HDC hDC, IN OPTIONAL PWCHAR pDriver, IN INT nDriver, INT Escape, INT InSize, OPTIONAL LPSTR UnsafeInData, INT OutSize, OPTIONAL LPSTR UnsafeOutData)
INT APIENTRY	NtGdiStartDoc (IN HDC hdc, IN DOCINFOW *pdi, OUT BOOL *pbBanding, IN INT iJob)
INT APIENTRY	NtGdiStartPage (HDC hDC)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 11 of file print.c.

Function Documentation

IntGdiEscape()

INT FASTCALL IntGdiEscape	(	PDC	dc,
		INT	Escape,
		INT	InSize,
		LPCSTR	InData,
		LPVOID	OutData
	)

Definition at line 40 of file print.c.

{
  if (Escape == QUERYESCSUPPORT)
    return FALSE;

  UNIMPLEMENTED;
  return SP_ERROR;
}

Referenced by NtGdiEscape().

NtGdiAbortDoc()

INT APIENTRY NtGdiAbortDoc

(

HDC

hDC

)

Definition at line 16 of file print.c.

{
  UNIMPLEMENTED;
  return 0;
}

NtGdiEndDoc()

INT APIENTRY NtGdiEndDoc

(

HDC

hDC

)

Definition at line 24 of file print.c.

{
  UNIMPLEMENTED;
  return 0;
}

NtGdiEndPage()

INT APIENTRY NtGdiEndPage

(

HDC

hDC

)

Definition at line 32 of file print.c.

{
  UNIMPLEMENTED;
  return 0;
}

NtGdiEscape()

INT APIENTRY NtGdiEscape	(	HDC	hDC,
		INT	Escape,
		INT	InSize,
		LPCSTR	InData,
		LPVOID	OutData
	)

Definition at line 55 of file print.c.

{
  PDC dc;
  INT ret;

  dc = DC_LockDc(hDC);
  if (dc == NULL)
  {
    EngSetLastError(ERROR_INVALID_HANDLE);
    return SP_ERROR;
  }

  /* TODO: FIXME: Don't pass umode buffer to an Int function */
  ret = IntGdiEscape(dc, Escape, InSize, InData, OutData);

  DC_UnlockDc( dc );
  return ret;
}

NtGdiExtEscape()

INT APIENTRY NtGdiExtEscape	(	HDC	hDC,
		IN OPTIONAL PWCHAR	pDriver,
		IN INT	nDriver,
		INT	Escape,
		INT	InSize,
		OPTIONAL LPSTR	UnsafeInData,
		INT	OutSize,
		OPTIONAL LPSTR	UnsafeOutData
	)

Definition at line 80 of file print.c.

{
   LPVOID   SafeInData = NULL;
   LPVOID   SafeOutData = NULL;
   NTSTATUS Status = STATUS_SUCCESS;
   INT      Result;
   PPDEVOBJ ppdev;
   PSURFACE psurf;

   if (hDC == NULL)
   {
      if (pDriver)
      {
         /* FIXME : Get the pdev from its name */
         UNIMPLEMENTED;
         return -1;
      }

      ppdev = EngpGetPDEV(NULL);
      if (!ppdev)
      {
         EngSetLastError(ERROR_BAD_DEVICE);
         return -1;
      }

      /* We're using the primary surface of the pdev. Lock it */
      EngAcquireSemaphore(ppdev->hsemDevLock);

      psurf = ppdev->pSurface;
      if (!psurf)
      {
         EngReleaseSemaphore(ppdev->hsemDevLock);
         PDEVOBJ_vRelease(ppdev);
         return 0;
      }
      SURFACE_ShareLockByPointer(psurf);
   }
   else
   {
      PDC pDC = DC_LockDc(hDC);
      if ( pDC == NULL )
      {
         EngSetLastError(ERROR_INVALID_HANDLE);
         return -1;
      }

      /* Get the PDEV from the DC */
      ppdev = pDC->ppdev;
      PDEVOBJ_vReference(ppdev);

      /* Check if we have a surface */
      psurf = pDC->dclevel.pSurface;
      if (!psurf)
      {
         DC_UnlockDc(pDC);
         PDEVOBJ_vRelease(ppdev);
         return 0;
      }
      SURFACE_ShareLockByPointer(psurf);

      /* We're done with the DC */
      DC_UnlockDc(pDC);
   }

   /* See if we actually have a driver function to call */
   if (ppdev->DriverFunctions.Escape == NULL)
   {
      Result = 0;
      goto Exit;
   }

   if ( InSize && UnsafeInData )
   {
      _SEH2_TRY
      {
        ProbeForRead(UnsafeInData,
                     InSize,
                     1);
      }
      _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
      {
        Status = _SEH2_GetExceptionCode();
      }
      _SEH2_END;

      if (!NT_SUCCESS(Status))
      {
         Result = -1;
         goto Exit;
      }

      SafeInData = ExAllocatePoolWithTag ( PagedPool, InSize, GDITAG_TEMP );
      if ( !SafeInData )
      {
         EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
         Result = -1;
         goto Exit;
      }

      _SEH2_TRY
      {
        /* Pointers were already probed! */
        RtlCopyMemory(SafeInData,
                      UnsafeInData,
                      InSize);
      }
      _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
      {
        Status = _SEH2_GetExceptionCode();
      }
      _SEH2_END;

      if ( !NT_SUCCESS(Status) )
      {
         SetLastNtError(Status);
         Result = -1;
         goto Exit;
      }
   }

   if ( OutSize && UnsafeOutData )
   {
      _SEH2_TRY
      {
        ProbeForWrite(UnsafeOutData,
                      OutSize,
                      1);
      }
      _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
      {
        Status = _SEH2_GetExceptionCode();
      }
      _SEH2_END;

      if (!NT_SUCCESS(Status))
      {
         SetLastNtError(Status);
         Result = -1;
         goto Exit;
      }

      SafeOutData = ExAllocatePoolWithTag ( PagedPool, OutSize, GDITAG_TEMP );
      if ( !SafeOutData )
      {
         EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
         Result = -1;
         goto Exit;
      }
   }

   /* Finally call the driver */
   Result = ppdev->DriverFunctions.Escape(
         &psurf->SurfObj,
         Escape,
         InSize,
         SafeInData,
         OutSize,
         SafeOutData );

Exit:
   if (hDC == NULL)
   {
      EngReleaseSemaphore(ppdev->hsemDevLock);
   }
   SURFACE_ShareUnlockSurface(psurf);
   PDEVOBJ_vRelease(ppdev);

   if ( SafeInData )
   {
      ExFreePoolWithTag ( SafeInData ,GDITAG_TEMP );
   }

   if ( SafeOutData )
   {
      if (Result > 0)
      {
         _SEH2_TRY
         {
            /* Pointers were already probed! */
            RtlCopyMemory(UnsafeOutData, SafeOutData, OutSize);
         }
         _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
         {
            Status = _SEH2_GetExceptionCode();
         }
         _SEH2_END;

         if ( !NT_SUCCESS(Status) )
         {
            SetLastNtError(Status);
            Result = -1;
         }
      }

      ExFreePoolWithTag ( SafeOutData, GDITAG_TEMP );
   }

   return Result;
}

NtGdiStartDoc()

INT APIENTRY NtGdiStartDoc	(	IN HDC	hdc,
		IN DOCINFOW *	pdi,
		OUT BOOL *	pbBanding,
		IN INT	iJob
	)

Definition at line 290 of file print.c.

{
  UNIMPLEMENTED;
  return 0;
}

NtGdiStartPage()

INT APIENTRY NtGdiStartPage

(

HDC

hDC

)

Definition at line 302 of file print.c.

{
  UNIMPLEMENTED;
  return 0;
}