dlls/gdi32/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <string.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winnls.h"
  27 #include "gdi_private.h"
  28 #include "mfdrv/metafiledrv.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
  32
  33 static BOOL MFDRV_DeleteDC( PHYSDEV dev );
  34
  35
  36 /**********************************************************************
  37  *           MFDRV_ExtEscape
  38  */
  39 static INT MFDRV_ExtEscape( PHYSDEV dev, INT nEscape, INT cbInput, LPCVOID in_data,
  40                             INT cbOutput, LPVOID out_data )
  41 {
  42     METARECORD *mr;
  43     DWORD len;
  44     INT ret;
  45
  46     if (cbOutput) return 0;  /* escapes that require output cannot work in metafiles */
  47
  48     len = sizeof(*mr) + sizeof(WORD) + ((cbInput + 1) & ~1);
  49     mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
  50     mr->rdSize = len / 2;
  51     mr->rdFunction = META_ESCAPE;
  52     mr->rdParm[0] = nEscape;
  53     mr->rdParm[1] = cbInput;
  54     memcpy(&(mr->rdParm[2]), in_data, cbInput);
  55     ret = MFDRV_WriteRecord( dev, mr, len);
  56     HeapFree(GetProcessHeap(), 0, mr);
  57     return ret;
  58 }
  59
  60
  61 /******************************************************************
  62  *         MFDRV_GetDeviceCaps
  63  *
  64  *A very simple implementation that returns DT_METAFILE
  65  */
  66 static INT MFDRV_GetDeviceCaps(PHYSDEV dev, INT cap)
  67 {
  68     switch(cap)
  69     {
  70     case TECHNOLOGY:
  71         return DT_METAFILE;
  72     case TEXTCAPS:
  73         return 0;
  74     default:
  75         TRACE(" unsupported capability %d, will return 0\n", cap );
  76     }
  77     return 0;
  78 }
  79
  80
  81 static const DC_FUNCTIONS MFDRV_Funcs =
  82 {
  83     NULL,                            /* pAbortDoc */
  84     MFDRV_AbortPath,                 /* pAbortPath */
  85     NULL,                            /* pAlphaBlend */
  86     NULL,                            /* pAngleArc */
  87     MFDRV_Arc,                       /* pArc */
  88     NULL,                            /* pArcTo */
  89     MFDRV_BeginPath,                 /* pBeginPath */
  90     NULL,                            /* pChoosePixelFormat */
  91     MFDRV_Chord,                     /* pChord */
  92     MFDRV_CloseFigure,               /* pCloseFigure */
  93     NULL,                            /* pCreateBitmap */
  94     NULL,                            /* pCreateDC */
  95     NULL,                            /* pCreateDIBSection */
  96     NULL,                            /* pDeleteBitmap */
  97     MFDRV_DeleteDC,                  /* pDeleteDC */
  98     MFDRV_DeleteObject,              /* pDeleteObject */
  99     NULL,                            /* pDescribePixelFormat */
 100     NULL,                            /* pDeviceCapabilities */
 101     MFDRV_Ellipse,                   /* pEllipse */
 102     NULL,                            /* pEndDoc */
 103     NULL,                            /* pEndPage */
 104     MFDRV_EndPath,                   /* pEndPath */
 105     NULL,                            /* pEnumDeviceFonts */
 106     NULL,                            /* pEnumICMProfiles */
 107     MFDRV_ExcludeClipRect,           /* pExcludeClipRect */
 108     NULL,                            /* pExtDeviceMode */
 109     MFDRV_ExtEscape,                 /* pExtEscape */
 110     MFDRV_ExtFloodFill,              /* pExtFloodFill */
 111     MFDRV_ExtSelectClipRgn,          /* pExtSelectClipRgn */
 112     MFDRV_ExtTextOut,                /* pExtTextOut */
 113     MFDRV_FillPath,                  /* pFillPath */
 114     MFDRV_FillRgn,                   /* pFillRgn */
 115     MFDRV_FlattenPath,               /* pFlattenPath */
 116     MFDRV_FrameRgn,                  /* pFrameRgn */
 117     NULL,                            /* pGdiComment */
 118     NULL,                            /* pGetBitmapBits */
 119     NULL,                            /* pGetCharWidth */
 120     NULL,                            /* pGetDIBits */
 121     MFDRV_GetDeviceCaps,             /* pGetDeviceCaps */
 122     NULL,                            /* pGetDeviceGammaRamp */
 123     NULL,                            /* pGetICMProfile */
 124     NULL,                            /* pGetImage */
 125     NULL,                            /* pGetNearestColor */
 126     NULL,                            /* pGetPixel */
 127     NULL,                            /* pGetPixelFormat */
 128     NULL,                            /* pGetSystemPaletteEntries */
 129     NULL,                            /* pGetTextExtentExPoint */
 130     NULL,                            /* pGetTextMetrics */
 131     MFDRV_IntersectClipRect,         /* pIntersectClipRect */
 132     MFDRV_InvertRgn,                 /* pInvertRgn */
 133     MFDRV_LineTo,                    /* pLineTo */
 134     NULL,                            /* pModifyWorldTransform */
 135     MFDRV_MoveTo,                    /* pMoveTo */
 136     MFDRV_OffsetClipRgn,             /* pOffsetClipRgn */
 137     MFDRV_OffsetViewportOrgEx,       /* pOffsetViewportOrgEx */
 138     MFDRV_OffsetWindowOrgEx,         /* pOffsetWindowOrgEx */
 139     MFDRV_PaintRgn,                  /* pPaintRgn */
 140     MFDRV_PatBlt,                    /* pPatBlt */
 141     MFDRV_Pie,                       /* pPie */
 142     MFDRV_PolyBezier,                /* pPolyBezier */
 143     MFDRV_PolyBezierTo,              /* pPolyBezierTo */
 144     NULL,                            /* pPolyDraw */
 145     MFDRV_PolyPolygon,               /* pPolyPolygon */
 146     NULL,                            /* pPolyPolyline */
 147     MFDRV_Polygon,                   /* pPolygon */
 148     MFDRV_Polyline,                  /* pPolyline */
 149     NULL,                            /* pPolylineTo */
 150     NULL,                            /* pPutImage */
 151     NULL,                            /* pRealizeDefaultPalette */
 152     MFDRV_RealizePalette,            /* pRealizePalette */
 153     MFDRV_Rectangle,                 /* pRectangle */
 154     NULL,                            /* pResetDC */
 155     MFDRV_RestoreDC,                 /* pRestoreDC */
 156     MFDRV_RoundRect,                 /* pRoundRect */
 157     MFDRV_SaveDC,                    /* pSaveDC */
 158     MFDRV_ScaleViewportExtEx,        /* pScaleViewportExtEx */
 159     MFDRV_ScaleWindowExtEx,          /* pScaleWindowExtEx */
 160     MFDRV_SelectBitmap,              /* pSelectBitmap */
 161     MFDRV_SelectBrush,               /* pSelectBrush */
 162     MFDRV_SelectClipPath,            /* pSelectClipPath */
 163     MFDRV_SelectFont,                /* pSelectFont */
 164     MFDRV_SelectPalette,             /* pSelectPalette */
 165     MFDRV_SelectPen,                 /* pSelectPen */
 166     NULL,                            /* pSetArcDirection */
 167     NULL,                            /* pSetBitmapBits */
 168     MFDRV_SetBkColor,                /* pSetBkColor */
 169     MFDRV_SetBkMode,                 /* pSetBkMode */
 170     MFDRV_SetDCBrushColor,           /* pSetDCBrushColor*/
 171     MFDRV_SetDCPenColor,             /* pSetDCPenColor*/
 172     NULL,                            /* pSetDIBColorTable */
 173     NULL,                            /* pSetDIBits */
 174     MFDRV_SetDIBitsToDevice,         /* pSetDIBitsToDevice */
 175     NULL,                            /* pSetDeviceClipping */
 176     NULL,                            /* pSetDeviceGammaRamp */
 177     NULL,                            /* pSetLayout */
 178     MFDRV_SetMapMode,                /* pSetMapMode */
 179     MFDRV_SetMapperFlags,            /* pSetMapperFlags */
 180     MFDRV_SetPixel,                  /* pSetPixel */
 181     NULL,                            /* pSetPixelFormat */
 182     MFDRV_SetPolyFillMode,           /* pSetPolyFillMode */
 183     MFDRV_SetROP2,                   /* pSetROP2 */
 184     MFDRV_SetRelAbs,                 /* pSetRelAbs */
 185     MFDRV_SetStretchBltMode,         /* pSetStretchBltMode */
 186     MFDRV_SetTextAlign,              /* pSetTextAlign */
 187     MFDRV_SetTextCharacterExtra,     /* pSetTextCharacterExtra */
 188     MFDRV_SetTextColor,              /* pSetTextColor */
 189     MFDRV_SetTextJustification,      /* pSetTextJustification */
 190     MFDRV_SetViewportExtEx,          /* pSetViewportExtEx */
 191     MFDRV_SetViewportOrgEx,          /* pSetViewportOrgEx */
 192     MFDRV_SetWindowExtEx,            /* pSetWindowExtEx */
 193     MFDRV_SetWindowOrgEx,            /* pSetWindowOrgEx */
 194     NULL,                            /* pSetWorldTransform */
 195     NULL,                            /* pStartDoc */
 196     NULL,                            /* pStartPage */
 197     MFDRV_StretchBlt,                /* pStretchBlt */
 198     MFDRV_StretchDIBits,             /* pStretchDIBits */
 199     MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
 200     MFDRV_StrokePath,                /* pStrokePath */
 201     NULL,                            /* pSwapBuffers */
 202     NULL,                            /* pUnrealizePalette */
 203     MFDRV_WidenPath                  /* pWidenPath */
 204 };
 205
 206
 207
 208 /**********************************************************************
 209  *           MFDRV_AllocMetaFile
 210  */
 211 static DC *MFDRV_AllocMetaFile(void)
 212 {
 213     DC *dc;
 214     METAFILEDRV_PDEVICE *physDev;
 215
 216     if (!(dc = alloc_dc_ptr( OBJ_METADC ))) return NULL;
 217
 218     physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 219     if (!physDev)
 220     {
 221         free_dc_ptr( dc );
 222         return NULL;
 223     }
 224     if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
 225     {
 226         HeapFree( GetProcessHeap(), 0, physDev );
 227         free_dc_ptr( dc );
 228         return NULL;
 229     }
 230
 231     push_dc_driver( dc, &physDev->dev, &MFDRV_Funcs );
 232
 233     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 234     physDev->handles_size = HANDLE_LIST_INC;
 235     physDev->cur_handles = 0;
 236
 237     physDev->hFile = 0;
 238
 239     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 240     physDev->mh->mtVersion      = 0x0300;
 241     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 242     physDev->mh->mtNoObjects    = 0;
 243     physDev->mh->mtMaxRecord    = 0;
 244     physDev->mh->mtNoParameters = 0;
 245
 246     SetVirtualResolution( physDev->dev.hdc, 0, 0, 0, 0);
 247
 248     return dc;
 249 }
 250
 251
 252 /**********************************************************************
 253  *           MFDRV_DeleteDC
 254  */
 255 static BOOL MFDRV_DeleteDC( PHYSDEV dev )
 256 {
 257     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 258     DWORD index;
 259
 260     HeapFree( GetProcessHeap(), 0, physDev->mh );
 261     for(index = 0; index < physDev->handles_size; index++)
 262         if(physDev->handles[index])
 263             GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
 264     HeapFree( GetProcessHeap(), 0, physDev->handles );
 265     HeapFree( GetProcessHeap(), 0, physDev );
 266     return TRUE;
 267 }
 268
 269
 270 /**********************************************************************
 271  *           CreateMetaFileW   (GDI32.@)
 272  *
 273  *  Create a new DC and associate it with a metafile. Pass a filename
 274  *  to create a disk-based metafile, NULL to create a memory metafile.
 275  *
 276  * PARAMS
 277  *  filename [I] Filename of disk metafile
 278  *
 279  * RETURNS
 280  *  A handle to the metafile DC if successful, NULL on failure.
 281  */
 282 HDC WINAPI CreateMetaFileW( LPCWSTR filename )
 283 {
 284     HDC ret;
 285     DC *dc;
 286     METAFILEDRV_PDEVICE *physDev;
 287     HANDLE hFile;
 288
 289     TRACE("%s\n", debugstr_w(filename) );
 290
 291     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 292     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 293
 294     if (filename)  /* disk based metafile */
 295     {
 296         physDev->mh->mtType = METAFILE_DISK;
 297         if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
 298                                 CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 299             free_dc_ptr( dc );
 300             return 0;
 301         }
 302         if (!WriteFile( hFile, physDev->mh, sizeof(*physDev->mh), NULL,
 303                         NULL )) {
 304             free_dc_ptr( dc );
 305             return 0;
 306         }
 307         physDev->hFile = hFile;
 308
 309         /* Grow METAHEADER to include filename */
 310         physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename, TRUE);
 311     }
 312     else  /* memory based metafile */
 313         physDev->mh->mtType = METAFILE_MEMORY;
 314
 315     TRACE("returning %p\n", physDev->dev.hdc);
 316     ret = physDev->dev.hdc;
 317     release_dc_ptr( dc );
 318     return ret;
 319 }
 320
 321 /**********************************************************************
 322  *          CreateMetaFileA   (GDI32.@)
 323  *
 324  * See CreateMetaFileW.
 325  */
 326 HDC WINAPI CreateMetaFileA(LPCSTR filename)
 327 {
 328     LPWSTR filenameW;
 329     DWORD len;
 330     HDC hReturnDC;
 331
 332     if (!filename) return CreateMetaFileW(NULL);
 333
 334     len = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 335     filenameW = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
 336     MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, len );
 337
 338     hReturnDC = CreateMetaFileW(filenameW);
 339
 340     HeapFree( GetProcessHeap(), 0, filenameW );
 341
 342     return hReturnDC;
 343 }
 344
 345
 346 /**********************************************************************
 347  *          MFDRV_CloseMetaFile
 348  */
 349 static DC *MFDRV_CloseMetaFile( HDC hdc )
 350 {
 351     DC *dc;
 352     METAFILEDRV_PDEVICE *physDev;
 353
 354     TRACE("(%p)\n", hdc );
 355
 356     if (!(dc = get_dc_ptr( hdc ))) return NULL;
 357     if (dc->header.type != OBJ_METADC)
 358     {
 359         release_dc_ptr( dc );
 360         return NULL;
 361     }
 362     if (dc->refcount != 1)
 363     {
 364         FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
 365         release_dc_ptr( dc );
 366         return NULL;
 367     }
 368     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 369
 370     /* Construct the end of metafile record - this is documented
 371      * in SDK Knowledgebase Q99334.
 372      */
 373
 374     if (!MFDRV_MetaParam0(dc->physDev, META_EOF))
 375     {
 376         free_dc_ptr( dc );
 377         return 0;
 378     }
 379
 380     if (physDev->mh->mtType == METAFILE_DISK)  /* disk based metafile */
 381     {
 382         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) {
 383             free_dc_ptr( dc );
 384             return 0;
 385         }
 386
 387         physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */
 388         if (!WriteFile(physDev->hFile, physDev->mh, sizeof(*physDev->mh),
 389                        NULL, NULL)) {
 390             free_dc_ptr( dc );
 391             return 0;
 392         }
 393         CloseHandle(physDev->hFile);
 394         physDev->mh->mtType = METAFILE_DISK;
 395     }
 396
 397     return dc;
 398 }
 399
 400 /******************************************************************
 401  *           CloseMetaFile   (GDI32.@)
 402  *
 403  *  Stop recording graphics operations in metafile associated with
 404  *  hdc and retrieve metafile.
 405  *
 406  * PARAMS
 407  *  hdc [I] Metafile DC to close
 408  *
 409  * RETURNS
 410  *  Handle of newly created metafile on success, NULL on failure.
 411  */
 412 HMETAFILE WINAPI CloseMetaFile(HDC hdc)
 413 {
 414     HMETAFILE hmf;
 415     METAFILEDRV_PDEVICE *physDev;
 416     DC *dc = MFDRV_CloseMetaFile(hdc);
 417     if (!dc) return 0;
 418     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 419
 420     /* Now allocate a global handle for the metafile */
 421
 422     hmf = MF_Create_HMETAFILE( physDev->mh );
 423
 424     physDev->mh = NULL;  /* So it won't be deleted */
 425     free_dc_ptr( dc );
 426     return hmf;
 427 }
 428
 429
 430 /******************************************************************
 431  *         MFDRV_WriteRecord
 432  *
 433  * Warning: this function can change the pointer to the metafile header.
 434  */
 435 BOOL MFDRV_WriteRecord( PHYSDEV dev, METARECORD *mr, DWORD rlen)
 436 {
 437     DWORD len, size;
 438     METAHEADER *mh;
 439     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 440
 441     switch(physDev->mh->mtType)
 442     {
 443     case METAFILE_MEMORY:
 444         len = physDev->mh->mtSize * 2 + rlen;
 445         /* reallocate memory if needed */
 446         size = HeapSize( GetProcessHeap(), 0, physDev->mh );
 447         if (len > size)
 448         {
 449             /*expand size*/
 450             size += size / 2 + rlen;
 451             mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, size);
 452             if (!mh) return FALSE;
 453             physDev->mh = mh;
 454             TRACE("Reallocated metafile: new size is %d\n",size);
 455         }
 456         memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 457         break;
 458     case METAFILE_DISK:
 459         TRACE("Writing record to disk\n");
 460         if (!WriteFile(physDev->hFile, mr, rlen, NULL, NULL))
 461             return FALSE;
 462         break;
 463     default:
 464         ERR("Unknown metafile type %d\n", physDev->mh->mtType );
 465         return FALSE;
 466     }
 467
 468     physDev->mh->mtSize += rlen / 2;
 469     physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
 470     return TRUE;
 471 }
 472
 473
 474 /******************************************************************
 475  *         MFDRV_MetaParam0
 476  */
 477
 478 BOOL MFDRV_MetaParam0(PHYSDEV dev, short func)
 479 {
 480     char buffer[8];
 481     METARECORD *mr = (METARECORD *)&buffer;
 482
 483     mr->rdSize = 3;
 484     mr->rdFunction = func;
 485     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 486 }
 487
 488
 489 /******************************************************************
 490  *         MFDRV_MetaParam1
 491  */
 492 BOOL MFDRV_MetaParam1(PHYSDEV dev, short func, short param1)
 493 {
 494     char buffer[8];
 495     METARECORD *mr = (METARECORD *)&buffer;
 496
 497     mr->rdSize = 4;
 498     mr->rdFunction = func;
 499     *(mr->rdParm) = param1;
 500     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 501 }
 502
 503
 504 /******************************************************************
 505  *         MFDRV_MetaParam2
 506  */
 507 BOOL MFDRV_MetaParam2(PHYSDEV dev, short func, short param1, short param2)
 508 {
 509     char buffer[10];
 510     METARECORD *mr = (METARECORD *)&buffer;
 511
 512     mr->rdSize = 5;
 513     mr->rdFunction = func;
 514     *(mr->rdParm) = param2;
 515     *(mr->rdParm + 1) = param1;
 516     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 517 }
 518
 519
 520 /******************************************************************
 521  *         MFDRV_MetaParam4
 522  */
 523
 524 BOOL MFDRV_MetaParam4(PHYSDEV dev, short func, short param1, short param2,
 525                       short param3, short param4)
 526 {
 527     char buffer[14];
 528     METARECORD *mr = (METARECORD *)&buffer;
 529
 530     mr->rdSize = 7;
 531     mr->rdFunction = func;
 532     *(mr->rdParm) = param4;
 533     *(mr->rdParm + 1) = param3;
 534     *(mr->rdParm + 2) = param2;
 535     *(mr->rdParm + 3) = param1;
 536     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 537 }
 538
 539
 540 /******************************************************************
 541  *         MFDRV_MetaParam6
 542  */
 543
 544 BOOL MFDRV_MetaParam6(PHYSDEV dev, short func, short param1, short param2,
 545                       short param3, short param4, short param5, short param6)
 546 {
 547     char buffer[18];
 548     METARECORD *mr = (METARECORD *)&buffer;
 549
 550     mr->rdSize = 9;
 551     mr->rdFunction = func;
 552     *(mr->rdParm) = param6;
 553     *(mr->rdParm + 1) = param5;
 554     *(mr->rdParm + 2) = param4;
 555     *(mr->rdParm + 3) = param3;
 556     *(mr->rdParm + 4) = param2;
 557     *(mr->rdParm + 5) = param1;
 558     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 559 }
 560
 561
 562 /******************************************************************
 563  *         MFDRV_MetaParam8
 564  */
 565 BOOL MFDRV_MetaParam8(PHYSDEV dev, short func, short param1, short param2,
 566                       short param3, short param4, short param5,
 567                       short param6, short param7, short param8)
 568 {
 569     char buffer[22];
 570     METARECORD *mr = (METARECORD *)&buffer;
 571
 572     mr->rdSize = 11;
 573     mr->rdFunction = func;
 574     *(mr->rdParm) = param8;
 575     *(mr->rdParm + 1) = param7;
 576     *(mr->rdParm + 2) = param6;
 577     *(mr->rdParm + 3) = param5;
 578     *(mr->rdParm + 4) = param4;
 579     *(mr->rdParm + 5) = param3;
 580     *(mr->rdParm + 6) = param2;
 581     *(mr->rdParm + 7) = param1;
 582     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 583 }