dlls/gdi/mfdrv/init.c

   1 /*
   2  * Metafile driver initialisation functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <string.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wine/winbase16.h"
  27 #include "gdi.h"
  28 #include "wownt32.h"
  29 #include "gdi_private.h"
  30 #include "mfdrv/metafiledrv.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
  34
  35 static const DC_FUNCTIONS MFDRV_Funcs =
  36 {
  37     NULL,                            /* pAbortDoc */
  38     MFDRV_AbortPath,                 /* pAbortPath */
  39     NULL,                            /* pAlphaBlend */
  40     NULL,                            /* pAngleArc */
  41     MFDRV_Arc,                       /* pArc */
  42     NULL,                            /* pArcTo */
  43     MFDRV_BeginPath,                 /* pBeginPath */
  44     MFDRV_BitBlt,                    /* pBitBlt */
  45     NULL,                            /* pChoosePixelFormat */
  46     MFDRV_Chord,                     /* pChord */
  47     MFDRV_CloseFigure,               /* pCloseFigure */
  48     NULL,                            /* pCreateBitmap */
  49     NULL,                            /* pCreateDC */
  50     NULL,                            /* pCreateDIBSection */
  51     NULL,                            /* pDeleteBitmap */
  52     NULL,                            /* pDeleteDC */
  53     MFDRV_DeleteObject,              /* pDeleteObject */
  54     NULL,                            /* pDescribePixelFormat */
  55     NULL,                            /* pDeviceCapabilities */
  56     MFDRV_Ellipse,                   /* pEllipse */
  57     NULL,                            /* pEndDoc */
  58     NULL,                            /* pEndPage */
  59     MFDRV_EndPath,                   /* pEndPath */
  60     NULL,                            /* pEnumDeviceFonts */
  61     MFDRV_ExcludeClipRect,           /* pExcludeClipRect */
  62     NULL,                            /* pExtDeviceMode */
  63     MFDRV_ExtEscape,                 /* pExtEscape */
  64     MFDRV_ExtFloodFill,              /* pExtFloodFill */
  65     MFDRV_ExtSelectClipRgn,          /* pExtSelectClipRgn */
  66     MFDRV_ExtTextOut,                /* pExtTextOut */
  67     MFDRV_FillPath,                  /* pFillPath */
  68     MFDRV_FillRgn,                   /* pFillRgn */
  69     MFDRV_FlattenPath,               /* pFlattenPath */
  70     MFDRV_FrameRgn,                  /* pFrameRgn */
  71     NULL,                            /* pGdiComment */
  72     NULL,                            /* pGetBitmapBits */
  73     NULL,                            /* pGetCharWidth */
  74     NULL,                            /* pGetDCOrgEx */
  75     NULL,                            /* pGetDIBColorTable */
  76     NULL,                            /* pGetDIBits */
  77     MFDRV_GetDeviceCaps,             /* pGetDeviceCaps */
  78     NULL,                            /* pGetDeviceGammaRamp */
  79     NULL,                            /* pGetNearestColor */
  80     NULL,                            /* pGetPixel */
  81     NULL,                            /* pGetPixelFormat */
  82     NULL,                            /* pGetSystemPaletteEntries */
  83     NULL,                            /* pGetTextExtentPoint */
  84     NULL,                            /* pGetTextMetrics */
  85     MFDRV_IntersectClipRect,         /* pIntersectClipRect */
  86     MFDRV_InvertRgn,                 /* pInvertRgn */
  87     MFDRV_LineTo,                    /* pLineTo */
  88     NULL,                            /* pModifyWorldTransform */
  89     MFDRV_MoveTo,                    /* pMoveTo */
  90     MFDRV_OffsetClipRgn,             /* pOffsetClipRgn */
  91     MFDRV_OffsetViewportOrg,         /* pOffsetViewportOrg */
  92     MFDRV_OffsetWindowOrg,           /* pOffsetWindowOrg */
  93     MFDRV_PaintRgn,                  /* pPaintRgn */
  94     MFDRV_PatBlt,                    /* pPatBlt */
  95     MFDRV_Pie,                       /* pPie */
  96     MFDRV_PolyBezier,                /* pPolyBezier */
  97     MFDRV_PolyBezierTo,              /* pPolyBezierTo */
  98     NULL,                            /* pPolyDraw */
  99     MFDRV_PolyPolygon,               /* pPolyPolygon */
 100     NULL,                            /* pPolyPolyline */
 101     MFDRV_Polygon,                   /* pPolygon */
 102     MFDRV_Polyline,                  /* pPolyline */
 103     NULL,                            /* pPolylineTo */
 104     NULL,                            /* pRealizeDefaultPalette */
 105     MFDRV_RealizePalette,            /* pRealizePalette */
 106     MFDRV_Rectangle,                 /* pRectangle */
 107     NULL,                            /* pResetDC */
 108     MFDRV_RestoreDC,                 /* pRestoreDC */
 109     MFDRV_RoundRect,                 /* pRoundRect */
 110     MFDRV_SaveDC,                    /* pSaveDC */
 111     MFDRV_ScaleViewportExt,          /* pScaleViewportExt */
 112     MFDRV_ScaleWindowExt,            /* pScaleWindowExt */
 113     MFDRV_SelectBitmap,              /* pSelectBitmap */
 114     MFDRV_SelectBrush,               /* pSelectBrush */
 115     MFDRV_SelectClipPath,            /* pSelectClipPath */
 116     MFDRV_SelectFont,                /* pSelectFont */
 117     MFDRV_SelectPalette,             /* pSelectPalette */
 118     MFDRV_SelectPen,                 /* pSelectPen */
 119     NULL,                            /* pSetArcDirection */
 120     NULL,                            /* pSetBitmapBits */
 121     MFDRV_SetBkColor,                /* pSetBkColor */
 122     MFDRV_SetBkMode,                 /* pSetBkMode */
 123     NULL,                            /* pSetDCBrushColor*/
 124     NULL,                            /* pSetDCOrg */
 125     NULL,                            /* pSetDCPenColor*/
 126     NULL,                            /* pSetDIBColorTable */
 127     NULL,                            /* pSetDIBits */
 128     MFDRV_SetDIBitsToDevice,         /* pSetDIBitsToDevice */
 129     NULL,                            /* pSetDeviceClipping */
 130     NULL,                            /* pSetDeviceGammaRamp */
 131     MFDRV_SetMapMode,                /* pSetMapMode */
 132     MFDRV_SetMapperFlags,            /* pSetMapperFlags */
 133     MFDRV_SetPixel,                  /* pSetPixel */
 134     NULL,                            /* pSetPixelFormat */
 135     MFDRV_SetPolyFillMode,           /* pSetPolyFillMode */
 136     MFDRV_SetROP2,                   /* pSetROP2 */
 137     MFDRV_SetRelAbs,                 /* pSetRelAbs */
 138     MFDRV_SetStretchBltMode,         /* pSetStretchBltMode */
 139     MFDRV_SetTextAlign,              /* pSetTextAlign */
 140     MFDRV_SetTextCharacterExtra,     /* pSetTextCharacterExtra */
 141     MFDRV_SetTextColor,              /* pSetTextColor */
 142     MFDRV_SetTextJustification,      /* pSetTextJustification */
 143     MFDRV_SetViewportExt,            /* pSetViewportExt */
 144     MFDRV_SetViewportOrg,            /* pSetViewportOrg */
 145     MFDRV_SetWindowExt,              /* pSetWindowExt */
 146     MFDRV_SetWindowOrg,              /* pSetWindowOrg */
 147     NULL,                            /* pSetWorldTransform */
 148     NULL,                            /* pStartDoc */
 149     NULL,                            /* pStartPage */
 150     MFDRV_StretchBlt,                /* pStretchBlt */
 151     MFDRV_StretchDIBits,             /* pStretchDIBits */
 152     MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
 153     MFDRV_StrokePath,                /* pStrokePath */
 154     NULL,                            /* pSwapBuffers */
 155     MFDRV_WidenPath                  /* pWidenPath */
 156 };
 157
 158
 159
 160 /**********************************************************************
 161  *           MFDRV_AllocMetaFile
 162  */
 163 static DC *MFDRV_AllocMetaFile(void)
 164 {
 165     DC *dc;
 166     METAFILEDRV_PDEVICE *physDev;
 167
 168     if (!(dc = DC_AllocDC( &MFDRV_Funcs, METAFILE_DC_MAGIC ))) return NULL;
 169
 170     physDev = (METAFILEDRV_PDEVICE *)HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 171     if (!physDev)
 172     {
 173         GDI_FreeObject( dc->hSelf, dc );
 174         return NULL;
 175     }
 176     dc->physDev = (PHYSDEV)physDev;
 177     physDev->hdc = dc->hSelf;
 178     physDev->dc = dc;
 179
 180     if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
 181     {
 182         HeapFree( GetProcessHeap(), 0, physDev );
 183         GDI_FreeObject( dc->hSelf, dc );
 184         return NULL;
 185     }
 186
 187     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 188     physDev->handles_size = HANDLE_LIST_INC;
 189     physDev->cur_handles = 0;
 190
 191     physDev->hFile = 0;
 192
 193     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 194     physDev->mh->mtVersion      = 0x0300;
 195     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 196     physDev->mh->mtNoObjects    = 0;
 197     physDev->mh->mtMaxRecord    = 0;
 198     physDev->mh->mtNoParameters = 0;
 199
 200     return dc;
 201 }
 202
 203
 204 /**********************************************************************
 205  *           MFDRV_DeleteDC
 206  */
 207 static BOOL MFDRV_DeleteDC( PHYSDEV dev )
 208 {
 209     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 210     DC *dc = physDev->dc;
 211     DWORD index;
 212
 213     if (physDev->mh) HeapFree( GetProcessHeap(), 0, physDev->mh );
 214     for(index = 0; index < physDev->handles_size; index++)
 215         if(physDev->handles[index])
 216             GDI_hdc_not_using_object(physDev->handles[index], physDev->hdc);
 217     HeapFree( GetProcessHeap(), 0, physDev->handles );
 218     HeapFree( GetProcessHeap(), 0, physDev );
 219     dc->physDev = NULL;
 220     GDI_FreeObject( dc->hSelf, dc );
 221     return TRUE;
 222 }
 223
 224
 225 /**********************************************************************
 226  *           CreateMetaFileW   (GDI32.@)
 227  *
 228  *  Create a new DC and associate it with a metafile. Pass a filename
 229  *  to create a disk-based metafile, NULL to create a memory metafile.
 230  *
 231  * RETURNS
 232  *  A handle to the metafile DC if successful, NULL on failure.
 233  */
 234 HDC WINAPI CreateMetaFileW( LPCWSTR filename ) /* [in] Filename of disk metafile */
 235 {
 236     HDC ret;
 237     DC *dc;
 238     METAFILEDRV_PDEVICE *physDev;
 239     HANDLE hFile;
 240
 241     TRACE("'%s'\n", debugstr_w(filename) );
 242
 243     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 244     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 245
 246     if (filename)  /* disk based metafile */
 247     {
 248         physDev->mh->mtType = METAFILE_DISK;
 249         if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
 250                                 CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 251             MFDRV_DeleteDC( dc->physDev );
 252             return 0;
 253         }
 254         if (!WriteFile( hFile, physDev->mh, sizeof(*physDev->mh), NULL,
 255                         NULL )) {
 256             MFDRV_DeleteDC( dc->physDev );
 257             return 0;
 258         }
 259         physDev->hFile = hFile;
 260
 261         /* Grow METAHEADER to include filename */
 262         physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename, TRUE);
 263     }
 264     else  /* memory based metafile */
 265         physDev->mh->mtType = METAFILE_MEMORY;
 266
 267     TRACE("returning %p\n", dc->hSelf);
 268     ret = dc->hSelf;
 269     GDI_ReleaseObj( dc->hSelf );
 270     return ret;
 271 }
 272
 273 /**********************************************************************
 274  *          CreateMetaFileA   (GDI32.@)
 275  */
 276 HDC WINAPI CreateMetaFileA(LPCSTR filename)
 277 {
 278     LPWSTR filenameW;
 279     DWORD len;
 280     HDC hReturnDC;
 281
 282     if (!filename) return CreateMetaFileW(NULL);
 283
 284     len = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 285     filenameW = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
 286     MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, len );
 287
 288     hReturnDC = CreateMetaFileW(filenameW);
 289
 290     HeapFree( GetProcessHeap(), 0, filenameW );
 291
 292     return hReturnDC;
 293 }
 294
 295
 296 /**********************************************************************
 297  *          MFDRV_CloseMetaFile
 298  */
 299 static DC *MFDRV_CloseMetaFile( HDC hdc )
 300 {
 301     DC *dc;
 302     METAFILEDRV_PDEVICE *physDev;
 303
 304     TRACE("(%p)\n", hdc );
 305
 306     if (!(dc = (DC *) GDI_GetObjPtr( hdc, METAFILE_DC_MAGIC ))) return 0;
 307     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 308
 309     /* Construct the end of metafile record - this is documented
 310      * in SDK Knowledgebase Q99334.
 311      */
 312
 313     if (!MFDRV_MetaParam0(dc->physDev, META_EOF))
 314     {
 315         MFDRV_DeleteDC( dc->physDev );
 316         return 0;
 317     }
 318
 319     if (physDev->mh->mtType == METAFILE_DISK)  /* disk based metafile */
 320     {
 321         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) {
 322             MFDRV_DeleteDC( dc->physDev );
 323             return 0;
 324         }
 325
 326         physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */
 327         if (!WriteFile(physDev->hFile, (LPSTR)physDev->mh,
 328                        sizeof(*physDev->mh), NULL, NULL)) {
 329             MFDRV_DeleteDC( dc->physDev );
 330             return 0;
 331         }
 332         CloseHandle(physDev->hFile);
 333         physDev->mh->mtType = METAFILE_DISK;
 334     }
 335
 336     return dc;
 337 }
 338
 339 /******************************************************************
 340  *           CloseMetaFile     (GDI.126)
 341  */
 342 HMETAFILE16 WINAPI CloseMetaFile16(
 343                                    HDC16 hdc /* [in] Metafile DC to close */
 344 )
 345 {
 346     HMETAFILE16 hmf;
 347     METAFILEDRV_PDEVICE *physDev;
 348     DC *dc = MFDRV_CloseMetaFile(HDC_32(hdc));
 349     if (!dc) return 0;
 350     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 351
 352     /* Now allocate a global handle for the metafile */
 353
 354     hmf = MF_Create_HMETAFILE16( physDev->mh );
 355
 356     physDev->mh = NULL;  /* So it won't be deleted */
 357     MFDRV_DeleteDC( dc->physDev );
 358     return hmf;
 359 }
 360
 361 /******************************************************************
 362  *           CloseMetaFile   (GDI32.@)
 363  *
 364  *  Stop recording graphics operations in metafile associated with
 365  *  hdc and retrieve metafile.
 366  *
 367  * RETURNS
 368  *  Handle of newly created metafile on success, NULL on failure.
 369  */
 370 HMETAFILE WINAPI CloseMetaFile(
 371                                    HDC hdc /* [in] Metafile DC to close */
 372 )
 373 {
 374     HMETAFILE hmf;
 375     METAFILEDRV_PDEVICE *physDev;
 376     DC *dc = MFDRV_CloseMetaFile(hdc);
 377     if (!dc) return 0;
 378     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 379
 380     /* Now allocate a global handle for the metafile */
 381
 382     hmf = MF_Create_HMETAFILE( physDev->mh );
 383
 384     physDev->mh = NULL;  /* So it won't be deleted */
 385     MFDRV_DeleteDC( dc->physDev );
 386     return hmf;
 387 }
 388
 389
 390 /******************************************************************
 391  *         MFDRV_WriteRecord
 392  *
 393  * Warning: this function can change the pointer to the metafile header.
 394  */
 395 BOOL MFDRV_WriteRecord( PHYSDEV dev, METARECORD *mr, DWORD rlen)
 396 {
 397     DWORD len, size;
 398     METAHEADER *mh;
 399     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 400
 401     switch(physDev->mh->mtType)
 402     {
 403     case METAFILE_MEMORY:
 404         len = physDev->mh->mtSize * 2 + rlen;
 405         /* reallocate memory if needed */
 406         size = HeapSize( GetProcessHeap(), 0, physDev->mh );
 407         if (len > size)
 408         {
 409             /*expand size*/
 410             size += size / 2 + rlen;
 411             mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, size);
 412             if (!mh) return FALSE;
 413             physDev->mh = mh;
 414             TRACE("Reallocated metafile: new size is %ld\n",size);
 415         }
 416         memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 417         break;
 418     case METAFILE_DISK:
 419         TRACE("Writing record to disk\n");
 420         if (!WriteFile(physDev->hFile, (char *)mr, rlen, NULL, NULL))
 421             return FALSE;
 422         break;
 423     default:
 424         ERR("Unknown metafile type %d\n", physDev->mh->mtType );
 425         return FALSE;
 426     }
 427
 428     physDev->mh->mtSize += rlen / 2;
 429     physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
 430     return TRUE;
 431 }
 432
 433
 434 /******************************************************************
 435  *         MFDRV_MetaParam0
 436  */
 437
 438 BOOL MFDRV_MetaParam0(PHYSDEV dev, short func)
 439 {
 440     char buffer[8];
 441     METARECORD *mr = (METARECORD *)&buffer;
 442
 443     mr->rdSize = 3;
 444     mr->rdFunction = func;
 445     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 446 }
 447
 448
 449 /******************************************************************
 450  *         MFDRV_MetaParam1
 451  */
 452 BOOL MFDRV_MetaParam1(PHYSDEV dev, short func, short param1)
 453 {
 454     char buffer[8];
 455     METARECORD *mr = (METARECORD *)&buffer;
 456
 457     mr->rdSize = 4;
 458     mr->rdFunction = func;
 459     *(mr->rdParm) = param1;
 460     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 461 }
 462
 463
 464 /******************************************************************
 465  *         MFDRV_MetaParam2
 466  */
 467 BOOL MFDRV_MetaParam2(PHYSDEV dev, short func, short param1, short param2)
 468 {
 469     char buffer[10];
 470     METARECORD *mr = (METARECORD *)&buffer;
 471
 472     mr->rdSize = 5;
 473     mr->rdFunction = func;
 474     *(mr->rdParm) = param2;
 475     *(mr->rdParm + 1) = param1;
 476     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 477 }
 478
 479
 480 /******************************************************************
 481  *         MFDRV_MetaParam4
 482  */
 483
 484 BOOL MFDRV_MetaParam4(PHYSDEV dev, short func, short param1, short param2,
 485                       short param3, short param4)
 486 {
 487     char buffer[14];
 488     METARECORD *mr = (METARECORD *)&buffer;
 489
 490     mr->rdSize = 7;
 491     mr->rdFunction = func;
 492     *(mr->rdParm) = param4;
 493     *(mr->rdParm + 1) = param3;
 494     *(mr->rdParm + 2) = param2;
 495     *(mr->rdParm + 3) = param1;
 496     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 497 }
 498
 499
 500 /******************************************************************
 501  *         MFDRV_MetaParam6
 502  */
 503
 504 BOOL MFDRV_MetaParam6(PHYSDEV dev, short func, short param1, short param2,
 505                       short param3, short param4, short param5, short param6)
 506 {
 507     char buffer[18];
 508     METARECORD *mr = (METARECORD *)&buffer;
 509
 510     mr->rdSize = 9;
 511     mr->rdFunction = func;
 512     *(mr->rdParm) = param6;
 513     *(mr->rdParm + 1) = param5;
 514     *(mr->rdParm + 2) = param4;
 515     *(mr->rdParm + 3) = param3;
 516     *(mr->rdParm + 4) = param2;
 517     *(mr->rdParm + 5) = param1;
 518     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 519 }
 520
 521
 522 /******************************************************************
 523  *         MFDRV_MetaParam8
 524  */
 525 BOOL MFDRV_MetaParam8(PHYSDEV dev, short func, short param1, short param2,
 526                       short param3, short param4, short param5,
 527                       short param6, short param7, short param8)
 528 {
 529     char buffer[22];
 530     METARECORD *mr = (METARECORD *)&buffer;
 531
 532     mr->rdSize = 11;
 533     mr->rdFunction = func;
 534     *(mr->rdParm) = param8;
 535     *(mr->rdParm + 1) = param7;
 536     *(mr->rdParm + 2) = param6;
 537     *(mr->rdParm + 3) = param5;
 538     *(mr->rdParm + 4) = param4;
 539     *(mr->rdParm + 5) = param3;
 540     *(mr->rdParm + 6) = param2;
 541     *(mr->rdParm + 7) = param1;
 542     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 543 }
 544
 545
 546 /**********************************************************************
 547  *           MFDRV_ExtEscape
 548  */
 549 INT MFDRV_ExtEscape( PHYSDEV dev, INT nEscape, INT cbInput, LPCVOID in_data,
 550                      INT cbOutput, LPVOID out_data )
 551 {
 552     METARECORD *mr;
 553     DWORD len;
 554     INT ret;
 555
 556     len = sizeof(*mr) + sizeof(WORD) + ((cbInput + 1) & ~1);
 557     mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 558     mr->rdSize = len / 2;
 559     mr->rdFunction = META_ESCAPE;
 560     mr->rdParm[0] = nEscape;
 561     mr->rdParm[1] = cbInput;
 562     memcpy(&(mr->rdParm[2]), in_data, cbInput);
 563     ret = MFDRV_WriteRecord( dev, mr, len);
 564     HeapFree(GetProcessHeap(), 0, mr);
 565     return ret;
 566 }
 567
 568
 569 /******************************************************************
 570  *         MFDRV_GetDeviceCaps
 571  *
 572  *A very simple implementation that returns DT_METAFILE
 573  */
 574 INT MFDRV_GetDeviceCaps(PHYSDEV dev, INT cap)
 575 {
 576     switch(cap)
 577     {
 578     case TECHNOLOGY:
 579         return DT_METAFILE;
 580     case TEXTCAPS:
 581         return 0;
 582     default:
 583         TRACE(" unsupported capability %d, will return 0\n", cap );
 584     }
 585     return 0;
 586 }