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     MFDRV_CreateCompatibleDC,        /* pCreateCompatibleDC */
 114     NULL,                            /* pCreateDC */
 115     MFDRV_DeleteDC,                  /* pDeleteDC */
 116     MFDRV_DeleteObject,              /* pDeleteObject */
 117     NULL,                            /* pDescribePixelFormat */
 118     NULL,                            /* pDeviceCapabilities */
 119     MFDRV_Ellipse,                   /* pEllipse */
 120     NULL,                            /* pEndDoc */
 121     NULL,                            /* pEndPage */
 122     MFDRV_EndPath,                   /* pEndPath */
 123     NULL,                            /* pEnumFonts */
 124     NULL,                            /* pEnumICMProfiles */
 125     MFDRV_ExcludeClipRect,           /* pExcludeClipRect */
 126     NULL,                            /* pExtDeviceMode */
 127     MFDRV_ExtEscape,                 /* pExtEscape */
 128     MFDRV_ExtFloodFill,              /* pExtFloodFill */
 129     MFDRV_ExtSelectClipRgn,          /* pExtSelectClipRgn */
 130     MFDRV_ExtTextOut,                /* pExtTextOut */
 131     MFDRV_FillPath,                  /* pFillPath */
 132     MFDRV_FillRgn,                   /* pFillRgn */
 133     MFDRV_FlattenPath,               /* pFlattenPath */
 134     NULL,                            /* pFontIsLinked */
 135     MFDRV_FrameRgn,                  /* pFrameRgn */
 136     NULL,                            /* pGdiComment */
 137     NULL,                            /* pGdiRealizationInfo */
 138     MFDRV_GetBoundsRect,             /* pGetBoundsRect */
 139     NULL,                            /* pGetCharABCWidths */
 140     NULL,                            /* pGetCharABCWidthsI */
 141     NULL,                            /* pGetCharWidth */
 142     MFDRV_GetDeviceCaps,             /* pGetDeviceCaps */
 143     NULL,                            /* pGetDeviceGammaRamp */
 144     NULL,                            /* pGetFontData */
 145     NULL,                            /* pGetFontUnicodeRanges */
 146     NULL,                            /* pGetGlyphIndices */
 147     NULL,                            /* pGetGlyphOutline */
 148     NULL,                            /* pGetICMProfile */
 149     NULL,                            /* pGetImage */
 150     NULL,                            /* pGetKerningPairs */
 151     NULL,                            /* pGetNearestColor */
 152     NULL,                            /* pGetOutlineTextMetrics */
 153     NULL,                            /* pGetPixel */
 154     NULL,                            /* pGetPixelFormat */
 155     NULL,                            /* pGetSystemPaletteEntries */
 156     NULL,                            /* pGetTextCharsetInfo */
 157     NULL,                            /* pGetTextExtentExPoint */
 158     NULL,                            /* pGetTextExtentExPointI */
 159     NULL,                            /* pGetTextFace */
 160     NULL,                            /* pGetTextMetrics */
 161     NULL,                            /* pGradientFill */
 162     MFDRV_IntersectClipRect,         /* pIntersectClipRect */
 163     MFDRV_InvertRgn,                 /* pInvertRgn */
 164     MFDRV_LineTo,                    /* pLineTo */
 165     NULL,                            /* pModifyWorldTransform */
 166     MFDRV_MoveTo,                    /* pMoveTo */
 167     MFDRV_OffsetClipRgn,             /* pOffsetClipRgn */
 168     MFDRV_OffsetViewportOrgEx,       /* pOffsetViewportOrgEx */
 169     MFDRV_OffsetWindowOrgEx,         /* pOffsetWindowOrgEx */
 170     MFDRV_PaintRgn,                  /* pPaintRgn */
 171     MFDRV_PatBlt,                    /* pPatBlt */
 172     MFDRV_Pie,                       /* pPie */
 173     MFDRV_PolyBezier,                /* pPolyBezier */
 174     MFDRV_PolyBezierTo,              /* pPolyBezierTo */
 175     NULL,                            /* pPolyDraw */
 176     MFDRV_PolyPolygon,               /* pPolyPolygon */
 177     NULL,                            /* pPolyPolyline */
 178     MFDRV_Polygon,                   /* pPolygon */
 179     MFDRV_Polyline,                  /* pPolyline */
 180     NULL,                            /* pPolylineTo */
 181     NULL,                            /* pPutImage */
 182     NULL,                            /* pRealizeDefaultPalette */
 183     MFDRV_RealizePalette,            /* pRealizePalette */
 184     MFDRV_Rectangle,                 /* pRectangle */
 185     NULL,                            /* pResetDC */
 186     MFDRV_RestoreDC,                 /* pRestoreDC */
 187     MFDRV_RoundRect,                 /* pRoundRect */
 188     MFDRV_SaveDC,                    /* pSaveDC */
 189     MFDRV_ScaleViewportExtEx,        /* pScaleViewportExtEx */
 190     MFDRV_ScaleWindowExtEx,          /* pScaleWindowExtEx */
 191     MFDRV_SelectBitmap,              /* pSelectBitmap */
 192     MFDRV_SelectBrush,               /* pSelectBrush */
 193     MFDRV_SelectClipPath,            /* pSelectClipPath */
 194     MFDRV_SelectFont,                /* pSelectFont */
 195     MFDRV_SelectPalette,             /* pSelectPalette */
 196     MFDRV_SelectPen,                 /* pSelectPen */
 197     NULL,                            /* pSetArcDirection */
 198     MFDRV_SetBkColor,                /* pSetBkColor */
 199     MFDRV_SetBkMode,                 /* pSetBkMode */
 200     MFDRV_SetBoundsRect,             /* pSetBoundsRect */
 201     MFDRV_SetDCBrushColor,           /* pSetDCBrushColor*/
 202     MFDRV_SetDCPenColor,             /* pSetDCPenColor*/
 203     MFDRV_SetDIBitsToDevice,         /* pSetDIBitsToDevice */
 204     NULL,                            /* pSetDeviceClipping */
 205     NULL,                            /* pSetDeviceGammaRamp */
 206     NULL,                            /* pSetLayout */
 207     MFDRV_SetMapMode,                /* pSetMapMode */
 208     MFDRV_SetMapperFlags,            /* pSetMapperFlags */
 209     MFDRV_SetPixel,                  /* pSetPixel */
 210     NULL,                            /* pSetPixelFormat */
 211     MFDRV_SetPolyFillMode,           /* pSetPolyFillMode */
 212     MFDRV_SetROP2,                   /* pSetROP2 */
 213     MFDRV_SetRelAbs,                 /* pSetRelAbs */
 214     MFDRV_SetStretchBltMode,         /* pSetStretchBltMode */
 215     MFDRV_SetTextAlign,              /* pSetTextAlign */
 216     MFDRV_SetTextCharacterExtra,     /* pSetTextCharacterExtra */
 217     MFDRV_SetTextColor,              /* pSetTextColor */
 218     MFDRV_SetTextJustification,      /* pSetTextJustification */
 219     MFDRV_SetViewportExtEx,          /* pSetViewportExtEx */
 220     MFDRV_SetViewportOrgEx,          /* pSetViewportOrgEx */
 221     MFDRV_SetWindowExtEx,            /* pSetWindowExtEx */
 222     MFDRV_SetWindowOrgEx,            /* pSetWindowOrgEx */
 223     NULL,                            /* pSetWorldTransform */
 224     NULL,                            /* pStartDoc */
 225     NULL,                            /* pStartPage */
 226     MFDRV_StretchBlt,                /* pStretchBlt */
 227     MFDRV_StretchDIBits,             /* pStretchDIBits */
 228     MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
 229     MFDRV_StrokePath,                /* pStrokePath */
 230     NULL,                            /* pSwapBuffers */
 231     NULL,                            /* pUnrealizePalette */
 232     MFDRV_WidenPath,                 /* pWidenPath */
 233     NULL,                            /* pwglCreateContext */
 234     NULL,                            /* pwglCreateContextAttribsARB */
 235     NULL,                            /* pwglGetProcAddress */
 236     NULL,                            /* wine_get_wgl_driver */
 237     GDI_PRIORITY_GRAPHICS_DRV        /* priority */
 238 };
 239
 240
 241
 242 /**********************************************************************
 243  *           MFDRV_AllocMetaFile
 244  */
 245 static DC *MFDRV_AllocMetaFile(void)
 246 {
 247     DC *dc;
 248     METAFILEDRV_PDEVICE *physDev;
 249
 250     if (!(dc = alloc_dc_ptr( OBJ_METADC ))) return NULL;
 251
 252     physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 253     if (!physDev)
 254     {
 255         free_dc_ptr( dc );
 256         return NULL;
 257     }
 258     if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
 259     {
 260         HeapFree( GetProcessHeap(), 0, physDev );
 261         free_dc_ptr( dc );
 262         return NULL;
 263     }
 264
 265     push_dc_driver( &dc->physDev, &physDev->dev, &MFDRV_Funcs );
 266
 267     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 268     physDev->handles_size = HANDLE_LIST_INC;
 269     physDev->cur_handles = 0;
 270
 271     physDev->hFile = 0;
 272
 273     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 274     physDev->mh->mtVersion      = 0x0300;
 275     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 276     physDev->mh->mtNoObjects    = 0;
 277     physDev->mh->mtMaxRecord    = 0;
 278     physDev->mh->mtNoParameters = 0;
 279
 280     SetVirtualResolution( physDev->dev.hdc, 0, 0, 0, 0);
 281
 282     return dc;
 283 }
 284
 285
 286 /**********************************************************************
 287  *           MFDRV_CreateCompatibleDC
 288  */
 289 static BOOL MFDRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 290 {
 291     /* not supported on metafile DCs */
 292     return FALSE;
 293 }
 294
 295
 296 /**********************************************************************
 297  *           MFDRV_DeleteDC
 298  */
 299 static BOOL MFDRV_DeleteDC( PHYSDEV dev )
 300 {
 301     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 302     DWORD index;
 303
 304     HeapFree( GetProcessHeap(), 0, physDev->mh );
 305     for(index = 0; index < physDev->handles_size; index++)
 306         if(physDev->handles[index])
 307             GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
 308     HeapFree( GetProcessHeap(), 0, physDev->handles );
 309     HeapFree( GetProcessHeap(), 0, physDev );
 310     return TRUE;
 311 }
 312
 313
 314 /**********************************************************************
 315  *           CreateMetaFileW   (GDI32.@)
 316  *
 317  *  Create a new DC and associate it with a metafile. Pass a filename
 318  *  to create a disk-based metafile, NULL to create a memory metafile.
 319  *
 320  * PARAMS
 321  *  filename [I] Filename of disk metafile
 322  *
 323  * RETURNS
 324  *  A handle to the metafile DC if successful, NULL on failure.
 325  */
 326 HDC WINAPI CreateMetaFileW( LPCWSTR filename )
 327 {
 328     HDC ret;
 329     DC *dc;
 330     METAFILEDRV_PDEVICE *physDev;
 331     HANDLE hFile;
 332
 333     TRACE("%s\n", debugstr_w(filename) );
 334
 335     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 336     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 337
 338     if (filename)  /* disk based metafile */
 339     {
 340         physDev->mh->mtType = METAFILE_DISK;
 341         if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
 342                                 CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 343             free_dc_ptr( dc );
 344             return 0;
 345         }
 346         if (!WriteFile( hFile, physDev->mh, sizeof(*physDev->mh), NULL,
 347                         NULL )) {
 348             free_dc_ptr( dc );
 349             return 0;
 350         }
 351         physDev->hFile = hFile;
 352
 353         /* Grow METAHEADER to include filename */
 354         physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename, TRUE);
 355     }
 356     else  /* memory based metafile */
 357         physDev->mh->mtType = METAFILE_MEMORY;
 358
 359     TRACE("returning %p\n", physDev->dev.hdc);
 360     ret = physDev->dev.hdc;
 361     release_dc_ptr( dc );
 362     return ret;
 363 }
 364
 365 /**********************************************************************
 366  *          CreateMetaFileA   (GDI32.@)
 367  *
 368  * See CreateMetaFileW.
 369  */
 370 HDC WINAPI CreateMetaFileA(LPCSTR filename)
 371 {
 372     LPWSTR filenameW;
 373     DWORD len;
 374     HDC hReturnDC;
 375
 376     if (!filename) return CreateMetaFileW(NULL);
 377
 378     len = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 379     filenameW = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
 380     MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, len );
 381
 382     hReturnDC = CreateMetaFileW(filenameW);
 383
 384     HeapFree( GetProcessHeap(), 0, filenameW );
 385
 386     return hReturnDC;
 387 }
 388
 389
 390 /**********************************************************************
 391  *          MFDRV_CloseMetaFile
 392  */
 393 static DC *MFDRV_CloseMetaFile( HDC hdc )
 394 {
 395     DC *dc;
 396     METAFILEDRV_PDEVICE *physDev;
 397
 398     TRACE("(%p)\n", hdc );
 399
 400     if (!(dc = get_dc_ptr( hdc ))) return NULL;
 401     if (dc->header.type != OBJ_METADC)
 402     {
 403         release_dc_ptr( dc );
 404         return NULL;
 405     }
 406     if (dc->refcount != 1)
 407     {
 408         FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
 409         release_dc_ptr( dc );
 410         return NULL;
 411     }
 412     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 413
 414     /* Construct the end of metafile record - this is documented
 415      * in SDK Knowledgebase Q99334.
 416      */
 417
 418     if (!MFDRV_MetaParam0(dc->physDev, META_EOF))
 419     {
 420         free_dc_ptr( dc );
 421         return 0;
 422     }
 423
 424     if (physDev->mh->mtType == METAFILE_DISK)  /* disk based metafile */
 425     {
 426         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) {
 427             free_dc_ptr( dc );
 428             return 0;
 429         }
 430
 431         physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */
 432         if (!WriteFile(physDev->hFile, physDev->mh, sizeof(*physDev->mh),
 433                        NULL, NULL)) {
 434             free_dc_ptr( dc );
 435             return 0;
 436         }
 437         CloseHandle(physDev->hFile);
 438         physDev->mh->mtType = METAFILE_DISK;
 439     }
 440
 441     return dc;
 442 }
 443
 444 /******************************************************************
 445  *           CloseMetaFile   (GDI32.@)
 446  *
 447  *  Stop recording graphics operations in metafile associated with
 448  *  hdc and retrieve metafile.
 449  *
 450  * PARAMS
 451  *  hdc [I] Metafile DC to close
 452  *
 453  * RETURNS
 454  *  Handle of newly created metafile on success, NULL on failure.
 455  */
 456 HMETAFILE WINAPI CloseMetaFile(HDC hdc)
 457 {
 458     HMETAFILE hmf;
 459     METAFILEDRV_PDEVICE *physDev;
 460     DC *dc = MFDRV_CloseMetaFile(hdc);
 461     if (!dc) return 0;
 462     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 463
 464     /* Now allocate a global handle for the metafile */
 465
 466     hmf = MF_Create_HMETAFILE( physDev->mh );
 467
 468     physDev->mh = NULL;  /* So it won't be deleted */
 469     free_dc_ptr( dc );
 470     return hmf;
 471 }
 472
 473
 474 /******************************************************************
 475  *         MFDRV_WriteRecord
 476  *
 477  * Warning: this function can change the pointer to the metafile header.
 478  */
 479 BOOL MFDRV_WriteRecord( PHYSDEV dev, METARECORD *mr, DWORD rlen)
 480 {
 481     DWORD len, size;
 482     METAHEADER *mh;
 483     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 484
 485     switch(physDev->mh->mtType)
 486     {
 487     case METAFILE_MEMORY:
 488         len = physDev->mh->mtSize * 2 + rlen;
 489         /* reallocate memory if needed */
 490         size = HeapSize( GetProcessHeap(), 0, physDev->mh );
 491         if (len > size)
 492         {
 493             /*expand size*/
 494             size += size / 2 + rlen;
 495             mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, size);
 496             if (!mh) return FALSE;
 497             physDev->mh = mh;
 498             TRACE("Reallocated metafile: new size is %d\n",size);
 499         }
 500         memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 501         break;
 502     case METAFILE_DISK:
 503         TRACE("Writing record to disk\n");
 504         if (!WriteFile(physDev->hFile, mr, rlen, NULL, NULL))
 505             return FALSE;
 506         break;
 507     default:
 508         ERR("Unknown metafile type %d\n", physDev->mh->mtType );
 509         return FALSE;
 510     }
 511
 512     physDev->mh->mtSize += rlen / 2;
 513     physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
 514     return TRUE;
 515 }
 516
 517
 518 /******************************************************************
 519  *         MFDRV_MetaParam0
 520  */
 521
 522 BOOL MFDRV_MetaParam0(PHYSDEV dev, short func)
 523 {
 524     char buffer[8];
 525     METARECORD *mr = (METARECORD *)&buffer;
 526
 527     mr->rdSize = 3;
 528     mr->rdFunction = func;
 529     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 530 }
 531
 532
 533 /******************************************************************
 534  *         MFDRV_MetaParam1
 535  */
 536 BOOL MFDRV_MetaParam1(PHYSDEV dev, short func, short param1)
 537 {
 538     char buffer[8];
 539     METARECORD *mr = (METARECORD *)&buffer;
 540     WORD *params = mr->rdParm;
 541
 542     mr->rdSize = 4;
 543     mr->rdFunction = func;
 544     params[0] = param1;
 545     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 546 }
 547
 548
 549 /******************************************************************
 550  *         MFDRV_MetaParam2
 551  */
 552 BOOL MFDRV_MetaParam2(PHYSDEV dev, short func, short param1, short param2)
 553 {
 554     char buffer[10];
 555     METARECORD *mr = (METARECORD *)&buffer;
 556     WORD *params = mr->rdParm;
 557
 558     mr->rdSize = 5;
 559     mr->rdFunction = func;
 560     params[0] = param2;
 561     params[1] = param1;
 562     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 563 }
 564
 565
 566 /******************************************************************
 567  *         MFDRV_MetaParam4
 568  */
 569
 570 BOOL MFDRV_MetaParam4(PHYSDEV dev, short func, short param1, short param2,
 571                       short param3, short param4)
 572 {
 573     char buffer[14];
 574     METARECORD *mr = (METARECORD *)&buffer;
 575     WORD *params = mr->rdParm;
 576
 577     mr->rdSize = 7;
 578     mr->rdFunction = func;
 579     params[0] = param4;
 580     params[1] = param3;
 581     params[2] = param2;
 582     params[3] = param1;
 583     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 584 }
 585
 586
 587 /******************************************************************
 588  *         MFDRV_MetaParam6
 589  */
 590
 591 BOOL MFDRV_MetaParam6(PHYSDEV dev, short func, short param1, short param2,
 592                       short param3, short param4, short param5, short param6)
 593 {
 594     char buffer[18];
 595     METARECORD *mr = (METARECORD *)&buffer;
 596     WORD *params = mr->rdParm;
 597
 598     mr->rdSize = 9;
 599     mr->rdFunction = func;
 600     params[0] = param6;
 601     params[1] = param5;
 602     params[2] = param4;
 603     params[3] = param3;
 604     params[4] = param2;
 605     params[5] = param1;
 606     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 607 }
 608
 609
 610 /******************************************************************
 611  *         MFDRV_MetaParam8
 612  */
 613 BOOL MFDRV_MetaParam8(PHYSDEV dev, short func, short param1, short param2,
 614                       short param3, short param4, short param5,
 615                       short param6, short param7, short param8)
 616 {
 617     char buffer[22];
 618     METARECORD *mr = (METARECORD *)&buffer;
 619     WORD *params = mr->rdParm;
 620
 621     mr->rdSize = 11;
 622     mr->rdFunction = func;
 623     params[0] = param8;
 624     params[1] = param7;
 625     params[2] = param6;
 626     params[3] = param5;
 627     params[4] = param4;
 628     params[5] = param3;
 629     params[6] = param2;
 630     params[7] = param1;
 631     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 632 }