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_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev );
  34 static BOOL MFDRV_DeleteDC( PHYSDEV dev );
  35
  36
  37 /**********************************************************************
  38  *           MFDRV_ExtEscape
  39  */
  40 static INT MFDRV_ExtEscape( PHYSDEV dev, INT nEscape, INT cbInput, LPCVOID in_data,
  41                             INT cbOutput, LPVOID out_data )
  42 {
  43     METARECORD *mr;
  44     DWORD len;
  45     INT ret;
  46
  47     if (cbOutput) return 0;  /* escapes that require output cannot work in metafiles */
  48
  49     len = sizeof(*mr) + sizeof(WORD) + ((cbInput + 1) & ~1);
  50     mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
  51     mr->rdSize = len / 2;
  52     mr->rdFunction = META_ESCAPE;
  53     mr->rdParm[0] = nEscape;
  54     mr->rdParm[1] = cbInput;
  55     memcpy(&(mr->rdParm[2]), in_data, cbInput);
  56     ret = MFDRV_WriteRecord( dev, mr, len);
  57     HeapFree(GetProcessHeap(), 0, mr);
  58     return ret;
  59 }
  60
  61
  62 /******************************************************************
  63  *         MFDRV_GetBoundsRect
  64  */
  65 static UINT MFDRV_GetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
  66 {
  67     return 0;
  68 }
  69
  70
  71 /******************************************************************
  72  *         MFDRV_SetBoundsRect
  73  */
  74 static UINT MFDRV_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
  75 {
  76     return 0;
  77 }
  78
  79
  80 /******************************************************************
  81  *         MFDRV_GetDeviceCaps
  82  *
  83  *A very simple implementation that returns DT_METAFILE
  84  */
  85 static INT MFDRV_GetDeviceCaps(PHYSDEV dev, INT cap)
  86 {
  87     switch(cap)
  88     {
  89     case TECHNOLOGY:
  90         return DT_METAFILE;
  91     case TEXTCAPS:
  92         return 0;
  93     default:
  94         TRACE(" unsupported capability %d, will return 0\n", cap );
  95     }
  96     return 0;
  97 }
  98
  99
 100 static const struct gdi_dc_funcs MFDRV_Funcs =
 101 {
 102     NULL,                            /* pAbortDoc */
 103     MFDRV_AbortPath,                 /* pAbortPath */
 104     NULL,                            /* pAlphaBlend */
 105     NULL,                            /* pAngleArc */
 106     MFDRV_Arc,                       /* pArc */
 107     NULL,                            /* pArcTo */
 108     MFDRV_BeginPath,                 /* pBeginPath */
 109     NULL,                            /* pBlendImage */
 110     NULL,                            /* pChoosePixelFormat */
 111     MFDRV_Chord,                     /* pChord */
 112     MFDRV_CloseFigure,               /* pCloseFigure */
 113     NULL,                            /* pCopyBitmap */
 114     NULL,                            /* pCreateBitmap */
 115     MFDRV_CreateCompatibleDC,        /* pCreateCompatibleDC */
 116     NULL,                            /* pCreateDC */
 117     NULL,                            /* pDeleteBitmap */
 118     MFDRV_DeleteDC,                  /* pDeleteDC */
 119     MFDRV_DeleteObject,              /* pDeleteObject */
 120     NULL,                            /* pDescribePixelFormat */
 121     NULL,                            /* pDeviceCapabilities */
 122     MFDRV_Ellipse,                   /* pEllipse */
 123     NULL,                            /* pEndDoc */
 124     NULL,                            /* pEndPage */
 125     MFDRV_EndPath,                   /* pEndPath */
 126     NULL,                            /* pEnumFonts */
 127     NULL,                            /* pEnumICMProfiles */
 128     MFDRV_ExcludeClipRect,           /* pExcludeClipRect */
 129     NULL,                            /* pExtDeviceMode */
 130     MFDRV_ExtEscape,                 /* pExtEscape */
 131     MFDRV_ExtFloodFill,              /* pExtFloodFill */
 132     MFDRV_ExtSelectClipRgn,          /* pExtSelectClipRgn */
 133     MFDRV_ExtTextOut,                /* pExtTextOut */
 134     MFDRV_FillPath,                  /* pFillPath */
 135     MFDRV_FillRgn,                   /* pFillRgn */
 136     MFDRV_FlattenPath,               /* pFlattenPath */
 137     NULL,                            /* pFontIsLinked */
 138     MFDRV_FrameRgn,                  /* pFrameRgn */
 139     NULL,                            /* pGdiComment */
 140     NULL,                            /* pGdiRealizationInfo */
 141     MFDRV_GetBoundsRect,             /* pGetBoundsRect */
 142     NULL,                            /* pGetCharABCWidths */
 143     NULL,                            /* pGetCharABCWidthsI */
 144     NULL,                            /* pGetCharWidth */
 145     MFDRV_GetDeviceCaps,             /* pGetDeviceCaps */
 146     NULL,                            /* pGetDeviceGammaRamp */
 147     NULL,                            /* pGetFontData */
 148     NULL,                            /* pGetFontUnicodeRanges */
 149     NULL,                            /* pGetGlyphIndices */
 150     NULL,                            /* pGetGlyphOutline */
 151     NULL,                            /* pGetICMProfile */
 152     NULL,                            /* pGetImage */
 153     NULL,                            /* pGetKerningPairs */
 154     NULL,                            /* pGetNearestColor */
 155     NULL,                            /* pGetOutlineTextMetrics */
 156     NULL,                            /* pGetPixel */
 157     NULL,                            /* pGetPixelFormat */
 158     NULL,                            /* pGetSystemPaletteEntries */
 159     NULL,                            /* pGetTextCharsetInfo */
 160     NULL,                            /* pGetTextExtentExPoint */
 161     NULL,                            /* pGetTextExtentExPointI */
 162     NULL,                            /* pGetTextFace */
 163     NULL,                            /* pGetTextMetrics */
 164     NULL,                            /* pGradientFill */
 165     MFDRV_IntersectClipRect,         /* pIntersectClipRect */
 166     MFDRV_InvertRgn,                 /* pInvertRgn */
 167     MFDRV_LineTo,                    /* pLineTo */
 168     NULL,                            /* pModifyWorldTransform */
 169     MFDRV_MoveTo,                    /* pMoveTo */
 170     MFDRV_OffsetClipRgn,             /* pOffsetClipRgn */
 171     MFDRV_OffsetViewportOrgEx,       /* pOffsetViewportOrgEx */
 172     MFDRV_OffsetWindowOrgEx,         /* pOffsetWindowOrgEx */
 173     MFDRV_PaintRgn,                  /* pPaintRgn */
 174     MFDRV_PatBlt,                    /* pPatBlt */
 175     MFDRV_Pie,                       /* pPie */
 176     MFDRV_PolyBezier,                /* pPolyBezier */
 177     MFDRV_PolyBezierTo,              /* pPolyBezierTo */
 178     NULL,                            /* pPolyDraw */
 179     MFDRV_PolyPolygon,               /* pPolyPolygon */
 180     NULL,                            /* pPolyPolyline */
 181     MFDRV_Polygon,                   /* pPolygon */
 182     MFDRV_Polyline,                  /* pPolyline */
 183     NULL,                            /* pPolylineTo */
 184     NULL,                            /* pPutImage */
 185     NULL,                            /* pRealizeDefaultPalette */
 186     MFDRV_RealizePalette,            /* pRealizePalette */
 187     MFDRV_Rectangle,                 /* pRectangle */
 188     NULL,                            /* pResetDC */
 189     MFDRV_RestoreDC,                 /* pRestoreDC */
 190     MFDRV_RoundRect,                 /* pRoundRect */
 191     MFDRV_SaveDC,                    /* pSaveDC */
 192     MFDRV_ScaleViewportExtEx,        /* pScaleViewportExtEx */
 193     MFDRV_ScaleWindowExtEx,          /* pScaleWindowExtEx */
 194     MFDRV_SelectBitmap,              /* pSelectBitmap */
 195     MFDRV_SelectBrush,               /* pSelectBrush */
 196     MFDRV_SelectClipPath,            /* pSelectClipPath */
 197     MFDRV_SelectFont,                /* pSelectFont */
 198     MFDRV_SelectPalette,             /* pSelectPalette */
 199     MFDRV_SelectPen,                 /* pSelectPen */
 200     NULL,                            /* pSetArcDirection */
 201     MFDRV_SetBkColor,                /* pSetBkColor */
 202     MFDRV_SetBkMode,                 /* pSetBkMode */
 203     MFDRV_SetBoundsRect,             /* pSetBoundsRect */
 204     MFDRV_SetDCBrushColor,           /* pSetDCBrushColor*/
 205     MFDRV_SetDCPenColor,             /* pSetDCPenColor*/
 206     MFDRV_SetDIBitsToDevice,         /* pSetDIBitsToDevice */
 207     NULL,                            /* pSetDeviceClipping */
 208     NULL,                            /* pSetDeviceGammaRamp */
 209     NULL,                            /* pSetLayout */
 210     MFDRV_SetMapMode,                /* pSetMapMode */
 211     MFDRV_SetMapperFlags,            /* pSetMapperFlags */
 212     MFDRV_SetPixel,                  /* pSetPixel */
 213     NULL,                            /* pSetPixelFormat */
 214     MFDRV_SetPolyFillMode,           /* pSetPolyFillMode */
 215     MFDRV_SetROP2,                   /* pSetROP2 */
 216     MFDRV_SetRelAbs,                 /* pSetRelAbs */
 217     MFDRV_SetStretchBltMode,         /* pSetStretchBltMode */
 218     MFDRV_SetTextAlign,              /* pSetTextAlign */
 219     MFDRV_SetTextCharacterExtra,     /* pSetTextCharacterExtra */
 220     MFDRV_SetTextColor,              /* pSetTextColor */
 221     MFDRV_SetTextJustification,      /* pSetTextJustification */
 222     MFDRV_SetViewportExtEx,          /* pSetViewportExtEx */
 223     MFDRV_SetViewportOrgEx,          /* pSetViewportOrgEx */
 224     MFDRV_SetWindowExtEx,            /* pSetWindowExtEx */
 225     MFDRV_SetWindowOrgEx,            /* pSetWindowOrgEx */
 226     NULL,                            /* pSetWorldTransform */
 227     NULL,                            /* pStartDoc */
 228     NULL,                            /* pStartPage */
 229     MFDRV_StretchBlt,                /* pStretchBlt */
 230     MFDRV_StretchDIBits,             /* pStretchDIBits */
 231     MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
 232     MFDRV_StrokePath,                /* pStrokePath */
 233     NULL,                            /* pSwapBuffers */
 234     NULL,                            /* pUnrealizePalette */
 235     MFDRV_WidenPath                  /* pWidenPath */
 236 };
 237
 238
 239
 240 /**********************************************************************
 241  *           MFDRV_AllocMetaFile
 242  */
 243 static DC *MFDRV_AllocMetaFile(void)
 244 {
 245     DC *dc;
 246     METAFILEDRV_PDEVICE *physDev;
 247
 248     if (!(dc = alloc_dc_ptr( OBJ_METADC ))) return NULL;
 249
 250     physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 251     if (!physDev)
 252     {
 253         free_dc_ptr( dc );
 254         return NULL;
 255     }
 256     if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
 257     {
 258         HeapFree( GetProcessHeap(), 0, physDev );
 259         free_dc_ptr( dc );
 260         return NULL;
 261     }
 262
 263     push_dc_driver( &dc->physDev, &physDev->dev, &MFDRV_Funcs );
 264
 265     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 266     physDev->handles_size = HANDLE_LIST_INC;
 267     physDev->cur_handles = 0;
 268
 269     physDev->hFile = 0;
 270
 271     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 272     physDev->mh->mtVersion      = 0x0300;
 273     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 274     physDev->mh->mtNoObjects    = 0;
 275     physDev->mh->mtMaxRecord    = 0;
 276     physDev->mh->mtNoParameters = 0;
 277
 278     SetVirtualResolution( physDev->dev.hdc, 0, 0, 0, 0);
 279
 280     return dc;
 281 }
 282
 283
 284 /**********************************************************************
 285  *           MFDRV_CreateCompatibleDC
 286  */
 287 static BOOL MFDRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 288 {
 289     /* not supported on metafile DCs */
 290     return FALSE;
 291 }
 292
 293
 294 /**********************************************************************
 295  *           MFDRV_DeleteDC
 296  */
 297 static BOOL MFDRV_DeleteDC( PHYSDEV dev )
 298 {
 299     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 300     DWORD index;
 301
 302     HeapFree( GetProcessHeap(), 0, physDev->mh );
 303     for(index = 0; index < physDev->handles_size; index++)
 304         if(physDev->handles[index])
 305             GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
 306     HeapFree( GetProcessHeap(), 0, physDev->handles );
 307     HeapFree( GetProcessHeap(), 0, physDev );
 308     return TRUE;
 309 }
 310
 311
 312 /**********************************************************************
 313  *           CreateMetaFileW   (GDI32.@)
 314  *
 315  *  Create a new DC and associate it with a metafile. Pass a filename
 316  *  to create a disk-based metafile, NULL to create a memory metafile.
 317  *
 318  * PARAMS
 319  *  filename [I] Filename of disk metafile
 320  *
 321  * RETURNS
 322  *  A handle to the metafile DC if successful, NULL on failure.
 323  */
 324 HDC WINAPI CreateMetaFileW( LPCWSTR filename )
 325 {
 326     HDC ret;
 327     DC *dc;
 328     METAFILEDRV_PDEVICE *physDev;
 329     HANDLE hFile;
 330
 331     TRACE("%s\n", debugstr_w(filename) );
 332
 333     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 334     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 335
 336     if (filename)  /* disk based metafile */
 337     {
 338         physDev->mh->mtType = METAFILE_DISK;
 339         if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
 340                                 CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 341             free_dc_ptr( dc );
 342             return 0;
 343         }
 344         if (!WriteFile( hFile, physDev->mh, sizeof(*physDev->mh), NULL,
 345                         NULL )) {
 346             free_dc_ptr( dc );
 347             return 0;
 348         }
 349         physDev->hFile = hFile;
 350
 351         /* Grow METAHEADER to include filename */
 352         physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename, TRUE);
 353     }
 354     else  /* memory based metafile */
 355         physDev->mh->mtType = METAFILE_MEMORY;
 356
 357     TRACE("returning %p\n", physDev->dev.hdc);
 358     ret = physDev->dev.hdc;
 359     release_dc_ptr( dc );
 360     return ret;
 361 }
 362
 363 /**********************************************************************
 364  *          CreateMetaFileA   (GDI32.@)
 365  *
 366  * See CreateMetaFileW.
 367  */
 368 HDC WINAPI CreateMetaFileA(LPCSTR filename)
 369 {
 370     LPWSTR filenameW;
 371     DWORD len;
 372     HDC hReturnDC;
 373
 374     if (!filename) return CreateMetaFileW(NULL);
 375
 376     len = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 377     filenameW = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
 378     MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, len );
 379
 380     hReturnDC = CreateMetaFileW(filenameW);
 381
 382     HeapFree( GetProcessHeap(), 0, filenameW );
 383
 384     return hReturnDC;
 385 }
 386
 387
 388 /**********************************************************************
 389  *          MFDRV_CloseMetaFile
 390  */
 391 static DC *MFDRV_CloseMetaFile( HDC hdc )
 392 {
 393     DC *dc;
 394     METAFILEDRV_PDEVICE *physDev;
 395
 396     TRACE("(%p)\n", hdc );
 397
 398     if (!(dc = get_dc_ptr( hdc ))) return NULL;
 399     if (dc->header.type != OBJ_METADC)
 400     {
 401         release_dc_ptr( dc );
 402         return NULL;
 403     }
 404     if (dc->refcount != 1)
 405     {
 406         FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
 407         release_dc_ptr( dc );
 408         return NULL;
 409     }
 410     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 411
 412     /* Construct the end of metafile record - this is documented
 413      * in SDK Knowledgebase Q99334.
 414      */
 415
 416     if (!MFDRV_MetaParam0(dc->physDev, META_EOF))
 417     {
 418         free_dc_ptr( dc );
 419         return 0;
 420     }
 421
 422     if (physDev->mh->mtType == METAFILE_DISK)  /* disk based metafile */
 423     {
 424         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) {
 425             free_dc_ptr( dc );
 426             return 0;
 427         }
 428
 429         physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */
 430         if (!WriteFile(physDev->hFile, physDev->mh, sizeof(*physDev->mh),
 431                        NULL, NULL)) {
 432             free_dc_ptr( dc );
 433             return 0;
 434         }
 435         CloseHandle(physDev->hFile);
 436         physDev->mh->mtType = METAFILE_DISK;
 437     }
 438
 439     return dc;
 440 }
 441
 442 /******************************************************************
 443  *           CloseMetaFile   (GDI32.@)
 444  *
 445  *  Stop recording graphics operations in metafile associated with
 446  *  hdc and retrieve metafile.
 447  *
 448  * PARAMS
 449  *  hdc [I] Metafile DC to close
 450  *
 451  * RETURNS
 452  *  Handle of newly created metafile on success, NULL on failure.
 453  */
 454 HMETAFILE WINAPI CloseMetaFile(HDC hdc)
 455 {
 456     HMETAFILE hmf;
 457     METAFILEDRV_PDEVICE *physDev;
 458     DC *dc = MFDRV_CloseMetaFile(hdc);
 459     if (!dc) return 0;
 460     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 461
 462     /* Now allocate a global handle for the metafile */
 463
 464     hmf = MF_Create_HMETAFILE( physDev->mh );
 465
 466     physDev->mh = NULL;  /* So it won't be deleted */
 467     free_dc_ptr( dc );
 468     return hmf;
 469 }
 470
 471
 472 /******************************************************************
 473  *         MFDRV_WriteRecord
 474  *
 475  * Warning: this function can change the pointer to the metafile header.
 476  */
 477 BOOL MFDRV_WriteRecord( PHYSDEV dev, METARECORD *mr, DWORD rlen)
 478 {
 479     DWORD len, size;
 480     METAHEADER *mh;
 481     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 482
 483     switch(physDev->mh->mtType)
 484     {
 485     case METAFILE_MEMORY:
 486         len = physDev->mh->mtSize * 2 + rlen;
 487         /* reallocate memory if needed */
 488         size = HeapSize( GetProcessHeap(), 0, physDev->mh );
 489         if (len > size)
 490         {
 491             /*expand size*/
 492             size += size / 2 + rlen;
 493             mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, size);
 494             if (!mh) return FALSE;
 495             physDev->mh = mh;
 496             TRACE("Reallocated metafile: new size is %d\n",size);
 497         }
 498         memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 499         break;
 500     case METAFILE_DISK:
 501         TRACE("Writing record to disk\n");
 502         if (!WriteFile(physDev->hFile, mr, rlen, NULL, NULL))
 503             return FALSE;
 504         break;
 505     default:
 506         ERR("Unknown metafile type %d\n", physDev->mh->mtType );
 507         return FALSE;
 508     }
 509
 510     physDev->mh->mtSize += rlen / 2;
 511     physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
 512     return TRUE;
 513 }
 514
 515
 516 /******************************************************************
 517  *         MFDRV_MetaParam0
 518  */
 519
 520 BOOL MFDRV_MetaParam0(PHYSDEV dev, short func)
 521 {
 522     char buffer[8];
 523     METARECORD *mr = (METARECORD *)&buffer;
 524
 525     mr->rdSize = 3;
 526     mr->rdFunction = func;
 527     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 528 }
 529
 530
 531 /******************************************************************
 532  *         MFDRV_MetaParam1
 533  */
 534 BOOL MFDRV_MetaParam1(PHYSDEV dev, short func, short param1)
 535 {
 536     char buffer[8];
 537     METARECORD *mr = (METARECORD *)&buffer;
 538     WORD *params = mr->rdParm;
 539
 540     mr->rdSize = 4;
 541     mr->rdFunction = func;
 542     params[0] = param1;
 543     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 544 }
 545
 546
 547 /******************************************************************
 548  *         MFDRV_MetaParam2
 549  */
 550 BOOL MFDRV_MetaParam2(PHYSDEV dev, short func, short param1, short param2)
 551 {
 552     char buffer[10];
 553     METARECORD *mr = (METARECORD *)&buffer;
 554     WORD *params = mr->rdParm;
 555
 556     mr->rdSize = 5;
 557     mr->rdFunction = func;
 558     params[0] = param2;
 559     params[1] = param1;
 560     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 561 }
 562
 563
 564 /******************************************************************
 565  *         MFDRV_MetaParam4
 566  */
 567
 568 BOOL MFDRV_MetaParam4(PHYSDEV dev, short func, short param1, short param2,
 569                       short param3, short param4)
 570 {
 571     char buffer[14];
 572     METARECORD *mr = (METARECORD *)&buffer;
 573     WORD *params = mr->rdParm;
 574
 575     mr->rdSize = 7;
 576     mr->rdFunction = func;
 577     params[0] = param4;
 578     params[1] = param3;
 579     params[2] = param2;
 580     params[3] = param1;
 581     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 582 }
 583
 584
 585 /******************************************************************
 586  *         MFDRV_MetaParam6
 587  */
 588
 589 BOOL MFDRV_MetaParam6(PHYSDEV dev, short func, short param1, short param2,
 590                       short param3, short param4, short param5, short param6)
 591 {
 592     char buffer[18];
 593     METARECORD *mr = (METARECORD *)&buffer;
 594     WORD *params = mr->rdParm;
 595
 596     mr->rdSize = 9;
 597     mr->rdFunction = func;
 598     params[0] = param6;
 599     params[1] = param5;
 600     params[2] = param4;
 601     params[3] = param3;
 602     params[4] = param2;
 603     params[5] = param1;
 604     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 605 }
 606
 607
 608 /******************************************************************
 609  *         MFDRV_MetaParam8
 610  */
 611 BOOL MFDRV_MetaParam8(PHYSDEV dev, short func, short param1, short param2,
 612                       short param3, short param4, short param5,
 613                       short param6, short param7, short param8)
 614 {
 615     char buffer[22];
 616     METARECORD *mr = (METARECORD *)&buffer;
 617     WORD *params = mr->rdParm;
 618
 619     mr->rdSize = 11;
 620     mr->rdFunction = func;
 621     params[0] = param8;
 622     params[1] = param7;
 623     params[2] = param6;
 624     params[3] = param5;
 625     params[4] = param4;
 626     params[5] = param3;
 627     params[6] = param2;
 628     params[7] = param1;
 629     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 630 }