objects/enhmetafile.c

   1 /*
   2  * Enhanced metafile functions
   3  * Copyright 1998 Douglas Ridgway
   4  *           1999 Huw D M Davies
   5  */
   6
   7 #include <string.h>
   8 #include <assert.h>
   9 #include "winbase.h"
  10 #include "wingdi.h"
  11 #include "wine/winestring.h"
  12 #include "winerror.h"
  13 #include "enhmetafile.h"
  14 #include "debugtools.h"
  15 #include "heap.h"
  16
  17 DEFAULT_DEBUG_CHANNEL(enhmetafile)
  18
  19 /****************************************************************************
  20  *          EMF_Create_HENHMETAFILE
  21  */
  22 HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, HFILE hFile, HANDLE
  23                                      hMapping )
  24 {
  25     HENHMETAFILE hmf = GDI_AllocObject( sizeof(ENHMETAFILEOBJ),
  26                                         ENHMETAFILE_MAGIC );
  27     ENHMETAFILEOBJ *metaObj = (ENHMETAFILEOBJ *)GDI_HEAP_LOCK( hmf );
  28     metaObj->emh = emh;
  29     metaObj->hFile = hFile;
  30     metaObj->hMapping = hMapping;
  31     GDI_HEAP_UNLOCK( hmf );
  32     return hmf;
  33 }
  34
  35 /****************************************************************************
  36  *          EMF_Delete_HENHMETAFILE
  37  */
  38 static BOOL EMF_Delete_HENHMETAFILE( HENHMETAFILE hmf )
  39 {
  40     ENHMETAFILEOBJ *metaObj = (ENHMETAFILEOBJ *)GDI_GetObjPtr( hmf,
  41                                                            ENHMETAFILE_MAGIC );
  42     if(!metaObj) return FALSE;
  43     if(metaObj->hMapping) {
  44         UnmapViewOfFile( metaObj->emh );
  45         CloseHandle( metaObj->hMapping );
  46         CloseHandle( metaObj->hFile );
  47     } else
  48         HeapFree( SystemHeap, 0, metaObj->emh );
  49     return GDI_FreeObject( hmf );
  50 }
  51
  52 /******************************************************************
  53  *         EMF_GetEnhMetaHeader
  54  *
  55  * Returns ptr to ENHMETAHEADER associated with HENHMETAFILE
  56  * Should be followed by call to EMF_ReleaseEnhMetaHeader
  57  */
  58 static ENHMETAHEADER *EMF_GetEnhMetaHeader( HENHMETAFILE hmf )
  59 {
  60     ENHMETAFILEOBJ *metaObj = (ENHMETAFILEOBJ *)GDI_GetObjPtr( hmf,
  61                                                            ENHMETAFILE_MAGIC );
  62     TRACE("hmf %04x -> enhmetaObj %p\n", hmf, metaObj);
  63     return metaObj ? metaObj->emh : NULL;
  64 }
  65
  66 /******************************************************************
  67  *         EMF_ReleaseEnhMetaHeader
  68  *
  69  * Releases ENHMETAHEADER associated with HENHMETAFILE
  70  */
  71 static BOOL EMF_ReleaseEnhMetaHeader( HENHMETAFILE hmf )
  72 {
  73     return GDI_HEAP_UNLOCK( hmf );
  74 }
  75
  76 /*****************************************************************************
  77  *         EMF_GetEnhMetaFile
  78  *
  79  */
  80 static HENHMETAFILE EMF_GetEnhMetaFile( HFILE hFile )
  81 {
  82     ENHMETAHEADER *emh;
  83     HANDLE hMapping;
  84
  85     hMapping = CreateFileMappingA( hFile, NULL, PAGE_READONLY, 0, 0, NULL );
  86     emh = MapViewOfFile( hMapping, FILE_MAP_READ, 0, 0, 0 );
  87
  88     if (emh->iType != EMR_HEADER || emh->dSignature != ENHMETA_SIGNATURE) {
  89         WARN("Invalid emf header type 0x%08lx sig 0x%08lx.\n",
  90              emh->iType, emh->dSignature);
  91         UnmapViewOfFile( emh );
  92         CloseHandle( hMapping );
  93         return 0;
  94     }
  95     return EMF_Create_HENHMETAFILE( emh, hFile, hMapping );
  96 }
  97
  98
  99 /*****************************************************************************
 100  *          GetEnhMetaFileA (GDI32.174)
 101  *
 102  *
 103  */
 104 HENHMETAFILE WINAPI GetEnhMetaFileA(
 105              LPCSTR lpszMetaFile  /* filename of enhanced metafile */
 106     )
 107 {
 108     HENHMETAFILE hmf;
 109     HFILE hFile;
 110
 111     hFile = CreateFileA(lpszMetaFile, GENERIC_READ, FILE_SHARE_READ, 0,
 112                         OPEN_EXISTING, 0, 0);
 113     if (hFile == INVALID_HANDLE_VALUE) {
 114         WARN("could not open %s\n", lpszMetaFile);
 115         return 0;
 116     }
 117     hmf = EMF_GetEnhMetaFile( hFile );
 118     if(!hmf)
 119         CloseHandle( hFile );
 120     return hmf;
 121 }
 122
 123 /*****************************************************************************
 124  *          GetEnhMetaFile32W  (GDI32.180)
 125  */
 126 HENHMETAFILE WINAPI GetEnhMetaFileW(
 127              LPCWSTR lpszMetaFile)  /* filename of enhanced metafile */
 128 {
 129     HENHMETAFILE hmf;
 130     HFILE hFile;
 131
 132     hFile = CreateFileW(lpszMetaFile, GENERIC_READ, FILE_SHARE_READ, 0,
 133                         OPEN_EXISTING, 0, 0);
 134     if (hFile == INVALID_HANDLE_VALUE) {
 135         WARN("could not open %s\n", debugstr_w(lpszMetaFile));
 136         return 0;
 137     }
 138     hmf = EMF_GetEnhMetaFile( hFile );
 139     if(!hmf)
 140         CloseHandle( hFile );
 141     return hmf;
 142 }
 143
 144 /*****************************************************************************
 145  *        GetEnhMetaFileHeader  (GDI32.178)
 146  *
 147  *  If _buf_ is NULL, returns the size of buffer required.
 148  *  Otherwise, copy up to _bufsize_ bytes of enhanced metafile header into
 149  *  _buf.
 150  */
 151 UINT WINAPI GetEnhMetaFileHeader(
 152        HENHMETAFILE hmf, /* enhanced metafile */
 153        UINT bufsize,     /* size of buffer */
 154        LPENHMETAHEADER buf /* buffer */
 155     )
 156 {
 157     LPENHMETAHEADER emh;
 158
 159     if (!buf) return sizeof(ENHMETAHEADER);
 160     emh = EMF_GetEnhMetaHeader(hmf);
 161     if(!emh) return FALSE;
 162     memmove(buf, emh, MIN(sizeof(ENHMETAHEADER), bufsize));
 163     EMF_ReleaseEnhMetaHeader(hmf);
 164     return MIN(sizeof(ENHMETAHEADER), bufsize);
 165 }
 166
 167
 168 /*****************************************************************************
 169  *          GetEnhMetaFileDescription32A  (GDI32.176)
 170  */
 171 UINT WINAPI GetEnhMetaFileDescriptionA(
 172        HENHMETAFILE hmf, /* enhanced metafile */
 173        UINT size, /* size of buf */
 174        LPSTR buf /* buffer to receive description */
 175     )
 176 {
 177      LPENHMETAHEADER emh = EMF_GetEnhMetaHeader(hmf);
 178      INT first;
 179
 180      if(!emh) return FALSE;
 181      if(emh->nDescription == 0 || emh->offDescription == 0) {
 182          EMF_ReleaseEnhMetaHeader(hmf);
 183         return 0;
 184      }
 185      if (!buf || !size ) {
 186          EMF_ReleaseEnhMetaHeader(hmf);
 187         return emh->nDescription;
 188      }
 189
 190      first = lstrlenW( (WCHAR *) ((char *) emh + emh->offDescription));
 191
 192      lstrcpynWtoA(buf, (WCHAR *) ((char *) emh + emh->offDescription), size);
 193      buf += first + 1;
 194      lstrcpynWtoA(buf, (WCHAR *) ((char *) emh + emh->offDescription+2*(first+1)),
 195                  size - first - 1);
 196
 197      EMF_ReleaseEnhMetaHeader(hmf);
 198      return MIN(size, emh->nDescription);
 199 }
 200
 201 /*****************************************************************************
 202  *          GetEnhMetaFileDescription32W  (GDI32.177)
 203  *
 204  *  Copies the description string of an enhanced metafile into a buffer
 205  *  _buf_.
 206  *
 207  *  If _buf_ is NULL, returns size of _buf_ required. Otherwise, returns
 208  *  number of characters copied.
 209  */
 210 UINT WINAPI GetEnhMetaFileDescriptionW(
 211        HENHMETAFILE hmf, /* enhanced metafile */
 212        UINT size, /* size of buf */
 213        LPWSTR buf /* buffer to receive description */
 214     )
 215 {
 216      LPENHMETAHEADER emh = EMF_GetEnhMetaHeader(hmf);
 217
 218      if(!emh) return FALSE;
 219      if(emh->nDescription == 0 || emh->offDescription == 0) {
 220          EMF_ReleaseEnhMetaHeader(hmf);
 221         return 0;
 222      }
 223      if (!buf || !size ) {
 224          EMF_ReleaseEnhMetaHeader(hmf);
 225         return emh->nDescription;
 226      }
 227
 228      memmove(buf, (char *) emh + emh->offDescription,
 229             MIN(size,emh->nDescription));
 230      EMF_ReleaseEnhMetaHeader(hmf);
 231      return MIN(size, emh->nDescription);
 232 }
 233
 234 /****************************************************************************
 235  *    SetEnhMetaFileBits (GDI32.315)
 236  *
 237  *  Creates an enhanced metafile by copying _bufsize_ bytes from _buf_.
 238  */
 239 HENHMETAFILE WINAPI SetEnhMetaFileBits(UINT bufsize, const BYTE *buf)
 240 {
 241     ENHMETAHEADER *emh = HeapAlloc( SystemHeap, 0, bufsize );
 242     memmove(emh, buf, bufsize);
 243     return EMF_Create_HENHMETAFILE( emh, 0, 0 );
 244 }
 245
 246 /*****************************************************************************
 247  *  GetEnhMetaFileBits (GDI32.175)
 248  *
 249  */
 250 UINT WINAPI GetEnhMetaFileBits(
 251     HENHMETAFILE hmf,
 252     UINT bufsize,
 253     LPBYTE buf
 254 ) {
 255   return 0;
 256 }
 257
 258 /*****************************************************************************
 259  *           PlayEnhMetaFileRecord  (GDI32.264)
 260  *
 261  *  Render a single enhanced metafile record in the device context hdc.
 262  *
 263  *  RETURNS
 264  *    TRUE on success, FALSE on error.
 265  *  BUGS
 266  *    Many unimplemented records.
 267  */
 268 BOOL WINAPI PlayEnhMetaFileRecord(
 269      HDC hdc, /* device context in which to render EMF record */
 270      LPHANDLETABLE handletable, /* array of handles to be used in rendering record */
 271      const ENHMETARECORD *mr, /* EMF record to render */
 272      UINT handles  /* size of handle array */
 273      )
 274 {
 275   int type;
 276   TRACE(
 277         "hdc = %08x, handletable = %p, record = %p, numHandles = %d\n",
 278           hdc, handletable, mr, handles);
 279   if (!mr) return FALSE;
 280
 281   type = mr->iType;
 282
 283   TRACE(" type=%d\n", type);
 284   switch(type)
 285     {
 286     case EMR_HEADER:
 287       {
 288         /* ENHMETAHEADER *h = (LPENHMETAHEADER) mr; */
 289         break;
 290       }
 291     case EMR_EOF:
 292       break;
 293     case EMR_GDICOMMENT:
 294       /* application defined and processed */
 295       break;
 296     case EMR_SETMAPMODE:
 297       {
 298         DWORD mode = mr->dParm[0];
 299         SetMapMode(hdc, mode);
 300         break;
 301       }
 302     case EMR_SETBKMODE:
 303       {
 304         DWORD mode = mr->dParm[0];
 305         SetBkMode(hdc, mode);
 306         break;
 307       }
 308     case EMR_SETBKCOLOR:
 309       {
 310         DWORD mode = mr->dParm[0];
 311         SetBkColor(hdc, mode);
 312         break;
 313       }
 314     case EMR_SETPOLYFILLMODE:
 315       {
 316         DWORD mode = mr->dParm[0];
 317         SetPolyFillMode(hdc, mode);
 318         break;
 319       }
 320     case EMR_SETROP2:
 321       {
 322         DWORD mode = mr->dParm[0];
 323         SetROP2(hdc, mode);
 324         break;
 325       }
 326     case EMR_SETSTRETCHBLTMODE:
 327       {
 328         DWORD mode = mr->dParm[0];
 329         SetStretchBltMode(hdc, mode);
 330         break;
 331       }
 332     case EMR_SETTEXTALIGN:
 333       {
 334         DWORD align = mr->dParm[0];
 335         SetTextAlign(hdc, align);
 336         break;
 337       }
 338     case EMR_SETTEXTCOLOR:
 339       {
 340         DWORD color = mr->dParm[0];
 341         SetTextColor(hdc, color);
 342         break;
 343       }
 344     case EMR_SAVEDC:
 345       {
 346         SaveDC(hdc);
 347         break;
 348       }
 349     case EMR_RESTOREDC:
 350       {
 351         RestoreDC(hdc, mr->dParm[0]);
 352         break;
 353       }
 354     case EMR_INTERSECTCLIPRECT:
 355       {
 356         INT left = mr->dParm[0], top = mr->dParm[1], right = mr->dParm[2],
 357               bottom = mr->dParm[3];
 358         IntersectClipRect(hdc, left, top, right, bottom);
 359         break;
 360       }
 361     case EMR_SELECTOBJECT:
 362       {
 363         DWORD obj = mr->dParm[0];
 364         SelectObject(hdc, (handletable->objectHandle)[obj]);
 365         break;
 366       }
 367     case EMR_DELETEOBJECT:
 368       {
 369         DWORD obj = mr->dParm[0];
 370         DeleteObject( (handletable->objectHandle)[obj]);
 371         (handletable->objectHandle)[obj] = 0;
 372         break;
 373       }
 374     case EMR_SETWINDOWORGEX:
 375       {
 376         DWORD x = mr->dParm[0], y = mr->dParm[1];
 377         SetWindowOrgEx(hdc, x, y, NULL);
 378         break;
 379       }
 380     case EMR_SETWINDOWEXTEX:
 381       {
 382         DWORD x = mr->dParm[0], y = mr->dParm[1];
 383         SetWindowExtEx(hdc, x, y, NULL);
 384         break;
 385       }
 386     case EMR_SETVIEWPORTORGEX:
 387       {
 388         DWORD x = mr->dParm[0], y = mr->dParm[1];
 389         SetViewportOrgEx(hdc, x, y, NULL);
 390         break;
 391       }
 392     case EMR_SETVIEWPORTEXTEX:
 393       {
 394         DWORD x = mr->dParm[0], y = mr->dParm[1];
 395         SetViewportExtEx(hdc, x, y, NULL);
 396         break;
 397       }
 398     case EMR_CREATEPEN:
 399       {
 400         DWORD obj = mr->dParm[0];
 401         (handletable->objectHandle)[obj] =
 402           CreatePenIndirect((LOGPEN *) &(mr->dParm[1]));
 403         break;
 404       }
 405     case EMR_EXTCREATEPEN:
 406       {
 407         DWORD obj = mr->dParm[0];
 408         DWORD style = mr->dParm[1], brush = mr->dParm[2];
 409         LOGBRUSH *b = (LOGBRUSH *) &mr->dParm[3];
 410         FIXME("Some ExtCreatePen args not handled\n");
 411         (handletable->objectHandle)[obj] =
 412           ExtCreatePen(style, brush, b, 0, NULL);
 413         break;
 414       }
 415     case EMR_CREATEBRUSHINDIRECT:
 416       {
 417         DWORD obj = mr->dParm[0];
 418         (handletable->objectHandle)[obj] =
 419           CreateBrushIndirect((LOGBRUSH *) &(mr->dParm[1]));
 420         break;
 421       }
 422     case EMR_EXTCREATEFONTINDIRECTW:
 423         {
 424         DWORD obj = mr->dParm[0];
 425         (handletable->objectHandle)[obj] =
 426           CreateFontIndirectW((LOGFONTW *) &(mr->dParm[1]));
 427         break;
 428         }
 429     case EMR_MOVETOEX:
 430       {
 431         DWORD x = mr->dParm[0], y = mr->dParm[1];
 432         MoveToEx(hdc, x, y, NULL);
 433         break;
 434       }
 435     case EMR_LINETO:
 436       {
 437         DWORD x = mr->dParm[0], y = mr->dParm[1];
 438         LineTo(hdc, x, y);
 439         break;
 440       }
 441     case EMR_RECTANGLE:
 442       {
 443         INT left = mr->dParm[0], top = mr->dParm[1], right = mr->dParm[2],
 444               bottom = mr->dParm[3];
 445         Rectangle(hdc, left, top, right, bottom);
 446         break;
 447       }
 448     case EMR_ELLIPSE:
 449       {
 450         INT left = mr->dParm[0], top = mr->dParm[1], right = mr->dParm[2],
 451               bottom = mr->dParm[3];
 452         Ellipse(hdc, left, top, right, bottom);
 453         break;
 454       }
 455     case EMR_POLYGON16:
 456       {
 457         /* 0-3 : a bounding rectangle? */
 458         INT count = mr->dParm[4];
 459         FIXME("Some Polygon16 args not handled\n");
 460         Polygon16(hdc, (POINT16 *)&mr->dParm[5], count);
 461         break;
 462       }
 463     case EMR_POLYLINE16:
 464       {
 465         /* 0-3 : a bounding rectangle? */
 466         INT count = mr->dParm[4];
 467         FIXME("Some Polyline16 args not handled\n");
 468         Polyline16(hdc, (POINT16 *)&mr->dParm[5], count);
 469         break;
 470       }
 471
 472 #if 0
 473     case EMR_POLYPOLYGON16:
 474       {
 475         INT polygons = mr->dParm[z];
 476         LPPOINT16 pts = (LPPOINT16) &mr->dParm[x];
 477         LPINT16 counts = (LPINT16) &mr->dParm[y];
 478         PolyPolygon16(hdc, pts, counts, polygons);
 479         break;
 480       }
 481 #endif
 482     case EMR_STRETCHDIBITS:
 483       {
 484         LONG xDest = mr->dParm[4];
 485         LONG yDest = mr->dParm[5];
 486         LONG xSrc = mr->dParm[6];
 487         LONG ySrc = mr->dParm[7];
 488         LONG cxSrc = mr->dParm[8];
 489         LONG cySrc = mr->dParm[9];
 490         DWORD offBmiSrc = mr->dParm[10];
 491         DWORD offBitsSrc = mr->dParm[12];
 492         DWORD iUsageSrc = mr->dParm[14];
 493         DWORD dwRop = mr->dParm[15];
 494         LONG cxDest = mr->dParm[16];
 495         LONG cyDest = mr->dParm[17];
 496
 497         StretchDIBits(hdc,xDest,yDest,cxDest,cyDest,
 498                             xSrc,ySrc,cxSrc,cySrc,
 499                             ((char *)mr)+offBitsSrc,
 500                             (const BITMAPINFO *)(((char *)mr)+offBmiSrc),
 501                             iUsageSrc,dwRop);
 502         break;
 503     }
 504     case EMR_EXTTEXTOUTW:
 505       {
 506         /* 0-3: ??? */
 507         DWORD flags = mr->dParm[4];
 508         /* 5, 6: ??? */
 509         DWORD x = mr->dParm[7], y = mr->dParm[8];
 510         DWORD count = mr->dParm[9];
 511         /* 10-16: ??? */
 512         LPWSTR str = (LPWSTR)& mr->dParm[17];
 513         /* trailing info: dx array? */
 514         FIXME("Many ExtTextOut args not handled\n");
 515         ExtTextOutW(hdc, x, y, flags, /* lpRect */ NULL,
 516                       str, count, /* lpDx */ NULL);
 517         break;
 518       }
 519
 520     default:
 521       FIXME("type %d is unimplemented\n", type);
 522       /*  SetLastError(E_NOTIMPL); */
 523       break;
 524     }
 525   return TRUE;
 526 }
 527
 528
 529 /*****************************************************************************
 530  *
 531  *        EnumEnhMetaFile32  (GDI32.79)
 532  *
 533  *  Walk an enhanced metafile, calling a user-specified function _EnhMetaFunc_
 534  *  for each
 535  *  record. Returns when either every record has been used or
 536  *  when _EnhMetaFunc_ returns FALSE.
 537  *
 538  *
 539  * RETURNS
 540  *  TRUE if every record is used, FALSE if any invocation of _EnhMetaFunc_
 541  *  returns FALSE.
 542  *
 543  * BUGS
 544  *   Ignores rect.
 545  */
 546 BOOL WINAPI EnumEnhMetaFile(
 547      HDC hdc, /* device context to pass to _EnhMetaFunc_ */
 548      HENHMETAFILE hmf, /* EMF to walk */
 549      ENHMFENUMPROC callback, /* callback function */
 550      LPVOID data, /* optional data for callback function */
 551      const RECT *rect  /* bounding rectangle for rendered metafile */
 552     )
 553 {
 554     BOOL ret = TRUE;
 555     LPENHMETARECORD p = (LPENHMETARECORD) EMF_GetEnhMetaHeader(hmf);
 556     INT count;
 557     HANDLETABLE *ht;
 558
 559     if(!p) return FALSE;
 560     count = ((LPENHMETAHEADER) p)->nHandles;
 561     ht = HeapAlloc( GetProcessHeap(), 0, sizeof(HANDLETABLE)*count);
 562     ht->objectHandle[0] = hmf;
 563     while (ret) {
 564         ret = (*callback)(hdc, ht, p, count, data);
 565         if (p->iType == EMR_EOF) break;
 566         p = (LPENHMETARECORD) ((char *) p + p->nSize);
 567     }
 568     HeapFree( GetProcessHeap(), 0, ht);
 569     EMF_ReleaseEnhMetaHeader(hmf);
 570     return ret;
 571 }
 572
 573
 574 /**************************************************************************
 575  *    PlayEnhMetaFile  (GDI32.263)
 576  *
 577  *    Renders an enhanced metafile into a specified rectangle *lpRect
 578  *    in device context hdc.
 579  *
 580  * BUGS
 581  *    Almost entirely unimplemented
 582  *
 583  */
 584 BOOL WINAPI PlayEnhMetaFile(
 585        HDC hdc, /* DC to render into */
 586        HENHMETAFILE hmf, /* metafile to render */
 587        const RECT *lpRect  /* rectangle to place metafile inside */
 588       )
 589 {
 590     LPENHMETARECORD p = (LPENHMETARECORD) EMF_GetEnhMetaHeader(hmf);
 591     INT count;
 592     HANDLETABLE *ht;
 593     BOOL ret = FALSE;
 594     INT savedMode = 0;
 595
 596     if(!p) return FALSE;
 597     count = ((LPENHMETAHEADER) p)->nHandles;
 598     ht = HeapAlloc( GetProcessHeap(), 0, sizeof(HANDLETABLE) * count);
 599     if (lpRect) {
 600         LPENHMETAHEADER h = (LPENHMETAHEADER) p;
 601         FLOAT xscale = (h->rclBounds.right - h->rclBounds.left) /
 602           (lpRect->right - lpRect->left);
 603         FLOAT yscale = (h->rclBounds.bottom - h->rclBounds.top) /
 604           (lpRect->bottom - lpRect->top);
 605         XFORM xform;
 606         xform.eM11 = xscale;
 607         xform.eM12 = 0;
 608         xform.eM21 = 0;
 609         xform.eM22 = yscale;
 610         xform.eDx = lpRect->left;
 611         xform.eDy = lpRect->top;
 612         FIXME("play into rect doesn't work\n");
 613         savedMode = SetGraphicsMode(hdc, GM_ADVANCED);
 614         if (!SetWorldTransform(hdc, &xform)) {
 615             WARN("World transform failed!\n");
 616         }
 617     }
 618
 619     ht->objectHandle[0] = hmf;
 620     while (1) {
 621         PlayEnhMetaFileRecord(hdc, ht, p, count);
 622         if (p->iType == EMR_EOF) break;
 623         p = (LPENHMETARECORD) ((char *) p + p->nSize); /* casted so that arithmetic is in bytes */
 624     }
 625     HeapFree( GetProcessHeap(), 0, ht );
 626     EMF_ReleaseEnhMetaHeader(hmf);
 627     if (savedMode) SetGraphicsMode(hdc, savedMode);
 628     ret = TRUE; /* FIXME: calculate a more accurate return value */
 629     return ret;
 630 }
 631
 632 /*****************************************************************************
 633  *  DeleteEnhMetaFile (GDI32.68)
 634  *
 635  *  Deletes an enhanced metafile and frees the associated storage.
 636  */
 637 BOOL WINAPI DeleteEnhMetaFile(HENHMETAFILE hmf)
 638 {
 639     return EMF_Delete_HENHMETAFILE( hmf );
 640 }
 641
 642 /*****************************************************************************
 643  *  CopyEnhMetaFileA (GDI32.21)  Duplicate an enhanced metafile
 644  *
 645  *
 646  */
 647 HENHMETAFILE WINAPI CopyEnhMetaFileA(
 648     HENHMETAFILE hmfSrc,
 649     LPCSTR file)
 650 {
 651     ENHMETAHEADER *emrSrc = EMF_GetEnhMetaHeader( hmfSrc ), *emrDst;
 652     HENHMETAFILE hmfDst;
 653
 654     if(!emrSrc) return FALSE;
 655     if (!file) {
 656         emrDst = HeapAlloc( SystemHeap, 0, emrSrc->nBytes );
 657         memcpy( emrDst, emrSrc, emrSrc->nBytes );
 658         hmfDst = EMF_Create_HENHMETAFILE( emrDst, 0, 0 );
 659     } else {
 660         HFILE hFile;
 661         hFile = CreateFileA( file, GENERIC_WRITE | GENERIC_READ, 0, NULL,
 662                              CREATE_ALWAYS, 0, -1);
 663         WriteFile( hFile, emrSrc, emrSrc->nBytes, 0, 0);
 664         hmfDst = EMF_GetEnhMetaFile( hFile );
 665     }
 666     EMF_ReleaseEnhMetaHeader( hmfSrc );
 667     return hmfDst;
 668 }
 669
 670
 671 /*****************************************************************************
 672  *  GetEnhMetaFilePaletteEntries (GDI32.179)
 673  *
 674  *  Copy the palette and report size
 675  */
 676
 677 UINT WINAPI GetEnhMetaFilePaletteEntries(HENHMETAFILE hemf,
 678                                              UINT cEntries,
 679                                              LPPALETTEENTRY lppe)
 680 {
 681     return 0;
 682 }
 683
 684
 685 /******************************************************************
 686  *         SetWinMetaFileBits   (GDI32.343)
 687  *
 688  *         Translate from old style to new style.
 689  */
 690
 691 HENHMETAFILE WINAPI SetWinMetaFileBits(UINT cbBuffer,
 692                                            CONST BYTE *lpbBuffer,
 693                                            HDC hdcRef,
 694                                            CONST METAFILEPICT *lpmfp
 695                                            )
 696 {
 697      FIXME("Stub\n");
 698      return 0;
 699 }
 700
 701
 702
 703