reactos/subsystems/win32/win32k/objects/print.c

   1 /*
   2  *  ReactOS W32 Subsystem
   3  *  Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$ */
  20
  21 #include <w32k.h>
  22
  23 #define NDEBUG
  24 #include <debug.h>
  25
  26 INT
  27 STDCALL
  28 NtGdiAbortDoc(HDC  hDC)
  29 {
  30   UNIMPLEMENTED;
  31   return 0;
  32 }
  33
  34 INT
  35 STDCALL
  36 NtGdiEndDoc(HDC  hDC)
  37 {
  38   UNIMPLEMENTED;
  39   return 0;
  40 }
  41
  42 INT
  43 STDCALL
  44 NtGdiEndPage(HDC  hDC)
  45 {
  46   UNIMPLEMENTED;
  47   return 0;
  48 }
  49
  50 INT
  51 FASTCALL
  52 IntGdiEscape(PDC    dc,
  53              INT    Escape,
  54              INT    InSize,
  55              LPCSTR InData,
  56              LPVOID OutData)
  57 {
  58   if (Escape == QUERYESCSUPPORT)
  59     return FALSE;
  60
  61   UNIMPLEMENTED;
  62   return SP_ERROR;
  63 }
  64
  65 INT
  66 STDCALL
  67 NtGdiEscape(HDC  hDC,
  68             INT  Escape,
  69             INT  InSize,
  70             LPCSTR  InData,
  71             LPVOID  OutData)
  72 {
  73   PDC dc;
  74   INT ret;
  75
  76   dc = DC_LockDc(hDC);
  77   if (dc == NULL)
  78   {
  79     SetLastWin32Error(ERROR_INVALID_HANDLE);
  80     return SP_ERROR;
  81   }
  82
  83   /* TODO FIXME - don't pass umode buffer to an Int function */
  84   ret = IntGdiEscape(dc, Escape, InSize, InData, OutData);
  85
  86   DC_UnlockDc( dc );
  87   return ret;
  88 }
  89
  90 INT
  91 STDCALL
  92 IntEngExtEscape(
  93    SURFOBJ *Surface,
  94    INT      Escape,
  95    INT      InSize,
  96    LPVOID   InData,
  97    INT      OutSize,
  98    LPVOID   OutData)
  99 {
 100    if (Escape == QUERYESCSUPPORT)
 101       return FALSE;
 102
 103    DPRINT1("IntEngExtEscape is unimplemented. - Keep going and have a nice day\n");
 104    return -1;
 105 }
 106
 107 INT
 108 STDCALL
 109 IntGdiExtEscape(
 110    PDC    dc,
 111    INT    Escape,
 112    INT    InSize,
 113    LPCSTR InData,
 114    INT    OutSize,
 115    LPSTR  OutData)
 116 {
 117    BITMAPOBJ *BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
 118    INT Result;
 119
 120    /* FIXME - Handle BitmapObj == NULL !!!!!! */
 121
 122    if ( NULL == dc->DriverFunctions.Escape )
 123    {
 124       Result = IntEngExtEscape(
 125          &BitmapObj->SurfObj,
 126          Escape,
 127          InSize,
 128          (PVOID)((ULONG_PTR)InData),
 129          OutSize,
 130          (PVOID)OutData);
 131    }
 132    else
 133    {
 134       Result = dc->DriverFunctions.Escape(
 135          &BitmapObj->SurfObj,
 136          Escape,
 137          InSize,
 138          (PVOID)InData,
 139          OutSize,
 140          (PVOID)OutData );
 141    }
 142    BITMAPOBJ_UnlockBitmap(BitmapObj);
 143
 144    return Result;
 145 }
 146
 147 INT
 148 STDCALL
 149 NtGdiExtEscape(
 150    HDC    hDC,
 151    IN OPTIONAL PWCHAR pDriver,
 152    IN INT nDriver,
 153    INT    Escape,
 154    INT    InSize,
 155    OPTIONAL LPSTR UnsafeInData,
 156    INT    OutSize,
 157    OPTIONAL LPSTR  UnsafeOutData)
 158 {
 159    PDC      pDC;
 160    LPVOID   SafeInData = NULL;
 161    LPVOID   SafeOutData = NULL;
 162    NTSTATUS Status = STATUS_SUCCESS;
 163    INT      Result;
 164
 165    if (hDC == 0)
 166    {
 167        hDC = (HDC)UserGetWindowDC(NULL);
 168    }
 169
 170    pDC = DC_LockDc(hDC);
 171    if ( pDC == NULL )
 172    {
 173       SetLastWin32Error(ERROR_INVALID_HANDLE);
 174       return -1;
 175    }
 176    if ( pDC->IsIC )
 177    {
 178       DC_UnlockDc(pDC);
 179       return 0;
 180    }
 181
 182    if ( InSize && UnsafeInData )
 183    {
 184       _SEH_TRY
 185       {
 186         ProbeForRead(UnsafeInData,
 187                      InSize,
 188                      1);
 189       }
 190       _SEH_HANDLE
 191       {
 192         Status = _SEH_GetExceptionCode();
 193       }
 194       _SEH_END;
 195
 196       if (!NT_SUCCESS(Status))
 197       {
 198         DC_UnlockDc(pDC);
 199         SetLastNtError(Status);
 200         return -1;
 201       }
 202
 203       SafeInData = ExAllocatePoolWithTag ( PagedPool, InSize, TAG_PRINT );
 204       if ( !SafeInData )
 205       {
 206          DC_UnlockDc(pDC);
 207          SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
 208          return -1;
 209       }
 210
 211       _SEH_TRY
 212       {
 213         /* pointers were already probed! */
 214         RtlCopyMemory(SafeInData,
 215                       UnsafeInData,
 216                       InSize);
 217       }
 218       _SEH_HANDLE
 219       {
 220         Status = _SEH_GetExceptionCode();
 221       }
 222       _SEH_END;
 223
 224       if ( !NT_SUCCESS(Status) )
 225       {
 226          ExFreePool ( SafeInData );
 227          DC_UnlockDc(pDC);
 228          SetLastNtError(Status);
 229          return -1;
 230       }
 231    }
 232
 233    if ( OutSize && UnsafeOutData )
 234    {
 235       _SEH_TRY
 236       {
 237         ProbeForWrite(UnsafeOutData,
 238                       OutSize,
 239                       1);
 240       }
 241       _SEH_HANDLE
 242       {
 243         Status = _SEH_GetExceptionCode();
 244       }
 245       _SEH_END;
 246
 247       if (!NT_SUCCESS(Status))
 248       {
 249         SetLastNtError(Status);
 250         goto freeout;
 251       }
 252
 253       SafeOutData = ExAllocatePoolWithTag ( PagedPool, OutSize, TAG_PRINT );
 254       if ( !SafeOutData )
 255       {
 256          SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
 257 freeout:
 258          if ( SafeInData )
 259             ExFreePool ( SafeInData );
 260          DC_UnlockDc(pDC);
 261          return -1;
 262       }
 263    }
 264
 265    Result = IntGdiExtEscape ( pDC, Escape, InSize, SafeInData, OutSize, SafeOutData );
 266
 267    DC_UnlockDc(pDC);
 268
 269    if ( SafeInData )
 270       ExFreePool ( SafeInData );
 271
 272    if ( SafeOutData )
 273    {
 274       _SEH_TRY
 275       {
 276         /* pointers were already probed! */
 277         RtlCopyMemory(UnsafeOutData,
 278                       SafeOutData,
 279                       OutSize);
 280       }
 281       _SEH_HANDLE
 282       {
 283         Status = _SEH_GetExceptionCode();
 284       }
 285       _SEH_END;
 286
 287       ExFreePool ( SafeOutData );
 288       if ( !NT_SUCCESS(Status) )
 289       {
 290          SetLastNtError(Status);
 291          return -1;
 292       }
 293    }
 294
 295    return Result;
 296 }
 297
 298 INT
 299 APIENTRY
 300 NtGdiStartDoc(
 301     IN HDC hdc,
 302     IN DOCINFOW *pdi,
 303     OUT BOOL *pbBanding,
 304     IN INT iJob)
 305 {
 306   UNIMPLEMENTED;
 307   return 0;
 308 }
 309
 310 INT
 311 STDCALL
 312 NtGdiStartPage(HDC  hDC)
 313 {
 314   UNIMPLEMENTED;
 315   return 0;
 316 }
 317 /* EOF */