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 "ntgdi_private.h"
  28 #include "mfdrv/metafiledrv.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
  32
  33 static BOOL CDECL MFDRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev );
  34 static BOOL CDECL MFDRV_DeleteDC( PHYSDEV dev );
  35
  36
  37 /**********************************************************************
  38  *           MFDRV_ExtEscape
  39  */
  40 static INT CDECL 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 CDECL MFDRV_GetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
  66 {
  67     return 0;
  68 }
  69
  70
  71 /******************************************************************
  72  *         MFDRV_SetBoundsRect
  73  */
  74 static UINT CDECL MFDRV_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
  75 {
  76     return 0;
  77 }
  78
  79
  80 /******************************************************************
  81  *         METADC_GetDeviceCaps
  82  *
  83  *A very simple implementation that returns DT_METAFILE
  84  */
  85 INT METADC_GetDeviceCaps( HDC hdc, INT cap )
  86 {
  87     if (!get_metadc_ptr( hdc )) return 0;
  88
  89     switch(cap)
  90     {
  91     case TECHNOLOGY:
  92         return DT_METAFILE;
  93     case TEXTCAPS:
  94         return 0;
  95     default:
  96         TRACE(" unsupported capability %d, will return 0\n", cap );
  97     }
  98     return 0;
  99 }
 100
 101
 102 static const struct gdi_dc_funcs MFDRV_Funcs =
 103 {
 104     NULL,                            /* pAbortDoc */
 105     MFDRV_AbortPath,                 /* pAbortPath */
 106     NULL,                            /* pAlphaBlend */
 107     NULL,                            /* pAngleArc */
 108     NULL,                            /* pArc */
 109     MFDRV_ArcTo,                     /* pArcTo */
 110     MFDRV_BeginPath,                 /* pBeginPath */
 111     NULL,                            /* pBlendImage */
 112     NULL,                            /* pChord */
 113     MFDRV_CloseFigure,               /* pCloseFigure */
 114     MFDRV_CreateCompatibleDC,        /* pCreateCompatibleDC */
 115     NULL,                            /* pCreateDC */
 116     MFDRV_DeleteDC,                  /* pDeleteDC */
 117     MFDRV_DeleteObject,              /* pDeleteObject */
 118     NULL,                            /* pDeviceCapabilities */
 119     NULL,                            /* 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     NULL,                            /* pExtFloodFill */
 129     MFDRV_ExtSelectClipRgn,          /* pExtSelectClipRgn */
 130     NULL,                            /* pExtTextOut */
 131     MFDRV_FillPath,                  /* pFillPath */
 132     MFDRV_FillRgn,                   /* pFillRgn */
 133     MFDRV_FlattenPath,               /* pFlattenPath */
 134     NULL,                            /* pFontIsLinked */
 135     NULL,                            /* pFrameRgn */
 136     NULL,                            /* pGdiComment */
 137     MFDRV_GetBoundsRect,             /* pGetBoundsRect */
 138     NULL,                            /* pGetCharABCWidths */
 139     NULL,                            /* pGetCharABCWidthsI */
 140     NULL,                            /* pGetCharWidth */
 141     NULL,                            /* pGetCharWidthInfo */
 142     NULL,                            /* pGetDeviceCaps */
 143     NULL,                            /* pGetDeviceGammaRamp */
 144     NULL,                            /* pGetFontData */
 145     NULL,                            /* pGetFontRealizationInfo */
 146     NULL,                            /* pGetFontUnicodeRanges */
 147     NULL,                            /* pGetGlyphIndices */
 148     NULL,                            /* pGetGlyphOutline */
 149     NULL,                            /* pGetICMProfile */
 150     NULL,                            /* pGetImage */
 151     NULL,                            /* pGetKerningPairs */
 152     NULL,                            /* pGetNearestColor */
 153     NULL,                            /* pGetOutlineTextMetrics */
 154     NULL,                            /* pGetPixel */
 155     NULL,                            /* pGetSystemPaletteEntries */
 156     NULL,                            /* pGetTextCharsetInfo */
 157     NULL,                            /* pGetTextExtentExPoint */
 158     NULL,                            /* pGetTextExtentExPointI */
 159     NULL,                            /* pGetTextFace */
 160     NULL,                            /* pGetTextMetrics */
 161     NULL,                            /* pGradientFill */
 162     NULL,                            /* pIntersectClipRect */
 163     NULL,                            /* pInvertRgn */
 164     NULL,                            /* pLineTo */
 165     NULL,                            /* pModifyWorldTransform */
 166     NULL,                            /* pMoveTo */
 167     NULL,                            /* pOffsetClipRgn */
 168     MFDRV_OffsetViewportOrgEx,       /* pOffsetViewportOrgEx */
 169     MFDRV_OffsetWindowOrgEx,         /* pOffsetWindowOrgEx */
 170     NULL,                            /* pPaintRgn */
 171     NULL,                            /* pPatBlt */
 172     NULL,                            /* pPie */
 173     MFDRV_PolyBezier,                /* pPolyBezier */
 174     MFDRV_PolyBezierTo,              /* pPolyBezierTo */
 175     NULL,                            /* pPolyDraw */
 176     NULL,                            /* pPolyPolygon */
 177     NULL,                            /* pPolyPolyline */
 178     NULL,                            /* pPolylineTo */
 179     NULL,                            /* pPutImage */
 180     NULL,                            /* pRealizeDefaultPalette */
 181     MFDRV_RealizePalette,            /* pRealizePalette */
 182     NULL,                            /* pRectangle */
 183     NULL,                            /* pResetDC */
 184     MFDRV_RestoreDC,                 /* pRestoreDC */
 185     NULL,                            /* pRoundRect */
 186     MFDRV_ScaleViewportExtEx,        /* pScaleViewportExtEx */
 187     MFDRV_ScaleWindowExtEx,          /* pScaleWindowExtEx */
 188     MFDRV_SelectBitmap,              /* pSelectBitmap */
 189     MFDRV_SelectBrush,               /* pSelectBrush */
 190     MFDRV_SelectClipPath,            /* pSelectClipPath */
 191     MFDRV_SelectFont,                /* pSelectFont */
 192     MFDRV_SelectPalette,             /* pSelectPalette */
 193     MFDRV_SelectPen,                 /* pSelectPen */
 194     MFDRV_SetBkColor,                /* pSetBkColor */
 195     MFDRV_SetBoundsRect,             /* pSetBoundsRect */
 196     MFDRV_SetDCBrushColor,           /* pSetDCBrushColor*/
 197     MFDRV_SetDCPenColor,             /* pSetDCPenColor*/
 198     MFDRV_SetDIBitsToDevice,         /* pSetDIBitsToDevice */
 199     NULL,                            /* pSetDeviceClipping */
 200     NULL,                            /* pSetDeviceGammaRamp */
 201     MFDRV_SetLayout,                 /* pSetLayout */
 202     MFDRV_SetMapMode,                /* pSetMapMode */
 203     MFDRV_SetMapperFlags,            /* pSetMapperFlags */
 204     NULL,                            /* pSetPixel */
 205     MFDRV_SetTextCharacterExtra,     /* pSetTextCharacterExtra */
 206     MFDRV_SetTextColor,              /* pSetTextColor */
 207     MFDRV_SetTextJustification,      /* pSetTextJustification */
 208     MFDRV_SetViewportExtEx,          /* pSetViewportExtEx */
 209     MFDRV_SetViewportOrgEx,          /* pSetViewportOrgEx */
 210     MFDRV_SetWindowExtEx,            /* pSetWindowExtEx */
 211     MFDRV_SetWindowOrgEx,            /* pSetWindowOrgEx */
 212     NULL,                            /* pSetWorldTransform */
 213     NULL,                            /* pStartDoc */
 214     NULL,                            /* pStartPage */
 215     MFDRV_StretchBlt,                /* pStretchBlt */
 216     MFDRV_StretchDIBits,             /* pStretchDIBits */
 217     MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
 218     MFDRV_StrokePath,                /* pStrokePath */
 219     NULL,                            /* pUnrealizePalette */
 220     MFDRV_WidenPath,                 /* pWidenPath */
 221     NULL,                            /* pD3DKMTCheckVidPnExclusiveOwnership */
 222     NULL,                            /* pD3DKMTSetVidPnSourceOwner */
 223     NULL,                            /* wine_get_wgl_driver */
 224     NULL,                            /* wine_get_vulkan_driver */
 225     GDI_PRIORITY_GRAPHICS_DRV        /* priority */
 226 };
 227
 228
 229
 230 /**********************************************************************
 231  *           MFDRV_AllocMetaFile
 232  */
 233 static DC *MFDRV_AllocMetaFile(void)
 234 {
 235     DC *dc;
 236     METAFILEDRV_PDEVICE *physDev;
 237
 238     if (!(dc = alloc_dc_ptr( NTGDI_OBJ_METADC ))) return NULL;
 239
 240     physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 241     if (!physDev)
 242     {
 243         free_dc_ptr( dc );
 244         return NULL;
 245     }
 246     if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
 247     {
 248         HeapFree( GetProcessHeap(), 0, physDev );
 249         free_dc_ptr( dc );
 250         return NULL;
 251     }
 252
 253     push_dc_driver( &dc->physDev, &physDev->dev, &MFDRV_Funcs );
 254     set_gdi_client_ptr( dc->hSelf, physDev );
 255
 256     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 257     physDev->handles_size = HANDLE_LIST_INC;
 258     physDev->cur_handles = 0;
 259
 260     physDev->hFile = 0;
 261
 262     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 263     physDev->mh->mtVersion      = 0x0300;
 264     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 265     physDev->mh->mtNoObjects    = 0;
 266     physDev->mh->mtMaxRecord    = 0;
 267     physDev->mh->mtNoParameters = 0;
 268
 269     SetVirtualResolution( physDev->dev.hdc, 0, 0, 0, 0);
 270
 271     return dc;
 272 }
 273
 274
 275 /**********************************************************************
 276  *           MFDRV_CreateCompatibleDC
 277  */
 278 static BOOL CDECL MFDRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 279 {
 280     /* not supported on metafile DCs */
 281     return FALSE;
 282 }
 283
 284
 285 /**********************************************************************
 286  *           MFDRV_DeleteDC
 287  */
 288 static BOOL CDECL MFDRV_DeleteDC( PHYSDEV dev )
 289 {
 290     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 291     DWORD index;
 292
 293     HeapFree( GetProcessHeap(), 0, physDev->mh );
 294     for(index = 0; index < physDev->handles_size; index++)
 295         if(physDev->handles[index])
 296             GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
 297     HeapFree( GetProcessHeap(), 0, physDev->handles );
 298     HeapFree( GetProcessHeap(), 0, physDev );
 299     return TRUE;
 300 }
 301
 302
 303 /**********************************************************************
 304  *           CreateMetaFileW   (GDI32.@)
 305  *
 306  *  Create a new DC and associate it with a metafile. Pass a filename
 307  *  to create a disk-based metafile, NULL to create a memory metafile.
 308  *
 309  * PARAMS
 310  *  filename [I] Filename of disk metafile
 311  *
 312  * RETURNS
 313  *  A handle to the metafile DC if successful, NULL on failure.
 314  */
 315 HDC WINAPI CreateMetaFileW( LPCWSTR filename )
 316 {
 317     HDC ret;
 318     DC *dc;
 319     METAFILEDRV_PDEVICE *physDev;
 320     HANDLE hFile;
 321
 322     TRACE("%s\n", debugstr_w(filename) );
 323
 324     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 325     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 326     physDev->mh->mtType = METAFILE_MEMORY;
 327
 328     if (filename)  /* disk based metafile */
 329     {
 330         if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
 331                                 CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 332             free_dc_ptr( dc );
 333             return 0;
 334         }
 335         physDev->hFile = hFile;
 336     }
 337
 338     TRACE("returning %p\n", physDev->dev.hdc);
 339     ret = physDev->dev.hdc;
 340     release_dc_ptr( dc );
 341     return ret;
 342 }
 343
 344 /**********************************************************************
 345  *          CreateMetaFileA   (GDI32.@)
 346  *
 347  * See CreateMetaFileW.
 348  */
 349 HDC WINAPI CreateMetaFileA(LPCSTR filename)
 350 {
 351     LPWSTR filenameW;
 352     DWORD len;
 353     HDC hReturnDC;
 354
 355     if (!filename) return CreateMetaFileW(NULL);
 356
 357     len = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 358     filenameW = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
 359     MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, len );
 360
 361     hReturnDC = CreateMetaFileW(filenameW);
 362
 363     HeapFree( GetProcessHeap(), 0, filenameW );
 364
 365     return hReturnDC;
 366 }
 367
 368
 369 /**********************************************************************
 370  *          MFDRV_CloseMetaFile
 371  */
 372 static DC *MFDRV_CloseMetaFile( HDC hdc )
 373 {
 374     DC *dc;
 375     METAFILEDRV_PDEVICE *physDev;
 376     DWORD bytes_written;
 377
 378     TRACE("(%p)\n", hdc );
 379
 380     if (!(dc = get_dc_ptr( hdc ))) return NULL;
 381     if (GetObjectType( hdc ) != OBJ_METADC)
 382     {
 383         release_dc_ptr( dc );
 384         return NULL;
 385     }
 386     if (dc->refcount != 1)
 387     {
 388         FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
 389         release_dc_ptr( dc );
 390         return NULL;
 391     }
 392     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 393
 394     /* Construct the end of metafile record - this is documented
 395      * in SDK Knowledgebase Q99334.
 396      */
 397
 398     if (!MFDRV_MetaParam0(dc->physDev, META_EOF))
 399     {
 400         free_dc_ptr( dc );
 401         return 0;
 402     }
 403
 404     if (physDev->hFile)  /* disk based metafile */
 405     {
 406         if (!WriteFile(physDev->hFile, physDev->mh, physDev->mh->mtSize * 2,
 407                        &bytes_written, NULL)) {
 408             free_dc_ptr( dc );
 409             return 0;
 410         }
 411         CloseHandle(physDev->hFile);
 412     }
 413
 414     return dc;
 415 }
 416
 417 /******************************************************************
 418  *           CloseMetaFile   (GDI32.@)
 419  *
 420  *  Stop recording graphics operations in metafile associated with
 421  *  hdc and retrieve metafile.
 422  *
 423  * PARAMS
 424  *  hdc [I] Metafile DC to close
 425  *
 426  * RETURNS
 427  *  Handle of newly created metafile on success, NULL on failure.
 428  */
 429 HMETAFILE WINAPI CloseMetaFile(HDC hdc)
 430 {
 431     HMETAFILE hmf;
 432     METAFILEDRV_PDEVICE *physDev;
 433     DC *dc = MFDRV_CloseMetaFile(hdc);
 434     if (!dc) return 0;
 435     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 436
 437     /* Now allocate a global handle for the metafile */
 438
 439     hmf = MF_Create_HMETAFILE( physDev->mh );
 440
 441     physDev->mh = NULL;  /* So it won't be deleted */
 442     free_dc_ptr( dc );
 443     return hmf;
 444 }
 445
 446
 447 /******************************************************************
 448  *         MFDRV_WriteRecord
 449  *
 450  * Warning: this function can change the pointer to the metafile header.
 451  */
 452 BOOL MFDRV_WriteRecord( PHYSDEV dev, METARECORD *mr, DWORD rlen)
 453 {
 454     DWORD len, size;
 455     METAHEADER *mh;
 456     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 457
 458     len = physDev->mh->mtSize * 2 + rlen;
 459     /* reallocate memory if needed */
 460     size = HeapSize( GetProcessHeap(), 0, physDev->mh );
 461     if (len > size)
 462     {
 463         /*expand size*/
 464         size += size / 2 + rlen;
 465         mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, size);
 466         if (!mh) return FALSE;
 467         physDev->mh = mh;
 468         TRACE("Reallocated metafile: new size is %d\n",size);
 469     }
 470     memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 471
 472     physDev->mh->mtSize += rlen / 2;
 473     physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
 474     return TRUE;
 475 }
 476
 477
 478 /******************************************************************
 479  *         MFDRV_MetaParam0
 480  */
 481
 482 BOOL MFDRV_MetaParam0(PHYSDEV dev, short func)
 483 {
 484     char buffer[8];
 485     METARECORD *mr = (METARECORD *)&buffer;
 486
 487     mr->rdSize = 3;
 488     mr->rdFunction = func;
 489     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 490 }
 491
 492
 493 /******************************************************************
 494  *         MFDRV_MetaParam1
 495  */
 496 BOOL MFDRV_MetaParam1(PHYSDEV dev, short func, short param1)
 497 {
 498     char buffer[8];
 499     METARECORD *mr = (METARECORD *)&buffer;
 500     WORD *params = mr->rdParm;
 501
 502     mr->rdSize = 4;
 503     mr->rdFunction = func;
 504     params[0] = param1;
 505     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 506 }
 507
 508
 509 /******************************************************************
 510  *         MFDRV_MetaParam2
 511  */
 512 BOOL MFDRV_MetaParam2(PHYSDEV dev, short func, short param1, short param2)
 513 {
 514     char buffer[10];
 515     METARECORD *mr = (METARECORD *)&buffer;
 516     WORD *params = mr->rdParm;
 517
 518     mr->rdSize = 5;
 519     mr->rdFunction = func;
 520     params[0] = param2;
 521     params[1] = param1;
 522     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 523 }
 524
 525
 526 /******************************************************************
 527  *         MFDRV_MetaParam4
 528  */
 529
 530 BOOL MFDRV_MetaParam4(PHYSDEV dev, short func, short param1, short param2,
 531                       short param3, short param4)
 532 {
 533     char buffer[14];
 534     METARECORD *mr = (METARECORD *)&buffer;
 535     WORD *params = mr->rdParm;
 536
 537     mr->rdSize = 7;
 538     mr->rdFunction = func;
 539     params[0] = param4;
 540     params[1] = param3;
 541     params[2] = param2;
 542     params[3] = param1;
 543     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 544 }
 545
 546
 547 /******************************************************************
 548  *         MFDRV_MetaParam6
 549  */
 550
 551 BOOL MFDRV_MetaParam6(PHYSDEV dev, short func, short param1, short param2,
 552                       short param3, short param4, short param5, short param6)
 553 {
 554     char buffer[18];
 555     METARECORD *mr = (METARECORD *)&buffer;
 556     WORD *params = mr->rdParm;
 557
 558     mr->rdSize = 9;
 559     mr->rdFunction = func;
 560     params[0] = param6;
 561     params[1] = param5;
 562     params[2] = param4;
 563     params[3] = param3;
 564     params[4] = param2;
 565     params[5] = param1;
 566     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 567 }
 568
 569
 570 /******************************************************************
 571  *         MFDRV_MetaParam8
 572  */
 573 BOOL MFDRV_MetaParam8(PHYSDEV dev, short func, short param1, short param2,
 574                       short param3, short param4, short param5,
 575                       short param6, short param7, short param8)
 576 {
 577     char buffer[22];
 578     METARECORD *mr = (METARECORD *)&buffer;
 579     WORD *params = mr->rdParm;
 580
 581     mr->rdSize = 11;
 582     mr->rdFunction = func;
 583     params[0] = param8;
 584     params[1] = param7;
 585     params[2] = param6;
 586     params[3] = param5;
 587     params[4] = param4;
 588     params[5] = param3;
 589     params[6] = param2;
 590     params[7] = param1;
 591     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 592 }
 593
 594 METAFILEDRV_PDEVICE *get_metadc_ptr( HDC hdc )
 595 {
 596     METAFILEDRV_PDEVICE *metafile = get_gdi_client_ptr( hdc, NTGDI_OBJ_METADC );
 597     if (!metafile) SetLastError( ERROR_INVALID_HANDLE );
 598     return metafile;
 599 }
 600
 601 BOOL metadc_record( HDC hdc, METARECORD *mr, DWORD rlen )
 602 {
 603     METAFILEDRV_PDEVICE *dev;
 604
 605     if (!(dev = get_metadc_ptr( hdc ))) return FALSE;
 606     return MFDRV_WriteRecord( &dev->dev, mr, rlen );
 607 }
 608
 609 BOOL metadc_param1( HDC hdc, short func, short param )
 610 {
 611     METAFILEDRV_PDEVICE *dev;
 612
 613     if (!(dev = get_metadc_ptr( hdc ))) return FALSE;
 614     return MFDRV_MetaParam1( &dev->dev, func, param );
 615 }
 616
 617 BOOL metadc_param0( HDC hdc, short func )
 618 {
 619     METAFILEDRV_PDEVICE *dev;
 620
 621     if (!(dev = get_metadc_ptr( hdc ))) return FALSE;
 622     return MFDRV_MetaParam0( &dev->dev, func );
 623 }
 624
 625 BOOL metadc_param2( HDC hdc, short func, short param1, short param2 )
 626 {
 627     METAFILEDRV_PDEVICE *dev;
 628
 629     if (!(dev = get_metadc_ptr( hdc ))) return FALSE;
 630     return MFDRV_MetaParam2( &dev->dev, func, param1, param2 );
 631 }
 632
 633 BOOL metadc_param4( HDC hdc, short func, short param1, short param2,
 634                     short param3, short param4 )
 635 {
 636     METAFILEDRV_PDEVICE *dev;
 637
 638     if (!(dev = get_metadc_ptr( hdc ))) return FALSE;
 639     return MFDRV_MetaParam4( &dev->dev, func, param1, param2, param3, param4 );
 640 }
 641
 642 BOOL metadc_param5( HDC hdc, short func, short param1, short param2,
 643                     short param3, short param4, short param5 )
 644 {
 645     char buffer[FIELD_OFFSET(METARECORD, rdParm[5])];
 646     METARECORD *mr = (METARECORD *)&buffer;
 647
 648     mr->rdSize = sizeof(buffer) / sizeof(WORD);
 649     mr->rdFunction = func;
 650     mr->rdParm[0] = param5;
 651     mr->rdParm[1] = param4;
 652     mr->rdParm[2] = param3;
 653     mr->rdParm[3] = param2;
 654     mr->rdParm[4] = param1;
 655     return metadc_record( hdc, mr, sizeof(buffer) );
 656 }
 657
 658 BOOL metadc_param6( HDC hdc, short func, short param1, short param2,
 659                     short param3, short param4, short param5,
 660                     short param6 )
 661 {
 662     METAFILEDRV_PDEVICE *dev;
 663
 664     if (!(dev = get_metadc_ptr( hdc ))) return FALSE;
 665     return MFDRV_MetaParam6( &dev->dev, func, param1, param2, param3,
 666                              param4, param5, param6 );
 667 }
 668
 669 BOOL metadc_param8( HDC hdc, short func, short param1, short param2,
 670                     short param3, short param4, short param5,
 671                     short param6, short param7, short param8)
 672 {
 673     METAFILEDRV_PDEVICE *dev;
 674
 675     if (!(dev = get_metadc_ptr( hdc ))) return FALSE;
 676     return MFDRV_MetaParam8( &dev->dev, func, param1, param2, param3,
 677                              param4, param5, param6, param7, param8 );
 678 }