win32ss/gdi/gdi32/wine/enhmfdrv/init.c

   1 /*
   2  * Enhanced MetaFile driver initialisation functions
   3  *
   4  * Copyright 1999 Huw D M Davies
   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 <assert.h>
  22 #include <stdarg.h>
  23 #include <string.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "winnls.h"
  29 #include "gdi_private.h"
  30 #include "enhmfdrv/enhmetafiledrv.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
  34
  35 static BOOL EMFDRV_DeleteDC( PHYSDEV dev );
  36
  37 static const struct gdi_dc_funcs emfdrv_driver =
  38 {
  39     NULL,                            /* pAbortDoc */
  40     EMFDRV_AbortPath,                /* pAbortPath */
  41     NULL,                            /* pAlphaBlend */
  42     EMFDRV_AngleArc,                 /* pAngleArc */
  43     EMFDRV_Arc,                      /* pArc */
  44     EMFDRV_ArcTo,                    /* pArcTo */
  45     EMFDRV_BeginPath,                /* pBeginPath */
  46     NULL,                            /* pBlendImage */
  47     EMFDRV_Chord,                    /* pChord */
  48     EMFDRV_CloseFigure,              /* pCloseFigure */
  49     NULL,                            /* pCreateCompatibleDC */
  50     NULL,                            /* pCreateDC */
  51     EMFDRV_DeleteDC,                 /* pDeleteDC */
  52     EMFDRV_DeleteObject,             /* pDeleteObject */
  53     NULL,                            /* pDeviceCapabilities */
  54     EMFDRV_Ellipse,                  /* pEllipse */
  55     NULL,                            /* pEndDoc */
  56     NULL,                            /* pEndPage */
  57     EMFDRV_EndPath,                  /* pEndPath */
  58     NULL,                            /* pEnumFonts */
  59     NULL,                            /* pEnumICMProfiles */
  60     EMFDRV_ExcludeClipRect,          /* pExcludeClipRect */
  61     NULL,                            /* pExtDeviceMode */
  62     NULL,                            /* pExtEscape */
  63     EMFDRV_ExtFloodFill,             /* pExtFloodFill */
  64     EMFDRV_ExtSelectClipRgn,         /* pExtSelectClipRgn */
  65     EMFDRV_ExtTextOut,               /* pExtTextOut */
  66     EMFDRV_FillPath,                 /* pFillPath */
  67     EMFDRV_FillRgn,                  /* pFillRgn */
  68     EMFDRV_FlattenPath,              /* pFlattenPath */
  69     NULL,                            /* pFontIsLinked */
  70     EMFDRV_FrameRgn,                 /* pFrameRgn */
  71     EMFDRV_GdiComment,               /* pGdiComment */
  72     NULL,                            /* pGetBoundsRect */
  73     NULL,                            /* pGetCharABCWidths */
  74     NULL,                            /* pGetCharABCWidthsI */
  75     NULL,                            /* pGetCharWidth */
  76     NULL,                            /* pGetCharWidthInfo */
  77     EMFDRV_GetDeviceCaps,            /* pGetDeviceCaps */
  78     NULL,                            /* pGetDeviceGammaRamp */
  79     NULL,                            /* pGetFontData */
  80     NULL,                            /* pGetFontRealizationInfo */
  81     NULL,                            /* pGetFontUnicodeRanges */
  82     NULL,                            /* pGetGlyphIndices */
  83     NULL,                            /* pGetGlyphOutline */
  84     NULL,                            /* pGetICMProfile */
  85     NULL,                            /* pGetImage */
  86     NULL,                            /* pGetKerningPairs */
  87     NULL,                            /* pGetNearestColor */
  88     NULL,                            /* pGetOutlineTextMetrics */
  89     NULL,                            /* pGetPixel */
  90     NULL,                            /* pGetSystemPaletteEntries */
  91     NULL,                            /* pGetTextCharsetInfo */
  92     NULL,                            /* pGetTextExtentExPoint */
  93     NULL,                            /* pGetTextExtentExPointI */
  94     NULL,                            /* pGetTextFace */
  95     NULL,                            /* pGetTextMetrics */
  96     EMFDRV_GradientFill,             /* pGradientFill */
  97     EMFDRV_IntersectClipRect,        /* pIntersectClipRect */
  98     EMFDRV_InvertRgn,                /* pInvertRgn */
  99     EMFDRV_LineTo,                   /* pLineTo */
 100     EMFDRV_ModifyWorldTransform,     /* pModifyWorldTransform */
 101     EMFDRV_MoveTo,                   /* pMoveTo */
 102     EMFDRV_OffsetClipRgn,            /* pOffsetClipRgn */
 103     EMFDRV_OffsetViewportOrgEx,      /* pOffsetViewportOrgEx */
 104     EMFDRV_OffsetWindowOrgEx,        /* pOffsetWindowOrgEx */
 105     EMFDRV_PaintRgn,                 /* pPaintRgn */
 106     EMFDRV_PatBlt,                   /* pPatBlt */
 107     EMFDRV_Pie,                      /* pPie */
 108     EMFDRV_PolyBezier,               /* pPolyBezier */
 109     EMFDRV_PolyBezierTo,             /* pPolyBezierTo */
 110     EMFDRV_PolyDraw,                 /* pPolyDraw */
 111     EMFDRV_PolyPolygon,              /* pPolyPolygon */
 112     EMFDRV_PolyPolyline,             /* pPolyPolyline */
 113     EMFDRV_Polygon,                  /* pPolygon */
 114     EMFDRV_Polyline,                 /* pPolyline */
 115     EMFDRV_PolylineTo,               /* pPolylineTo */
 116     NULL,                            /* pPutImage */
 117     NULL,                            /* pRealizeDefaultPalette */
 118     NULL,                            /* pRealizePalette */
 119     EMFDRV_Rectangle,                /* pRectangle */
 120     NULL,                            /* pResetDC */
 121     EMFDRV_RestoreDC,                /* pRestoreDC */
 122     EMFDRV_RoundRect,                /* pRoundRect */
 123     EMFDRV_SaveDC,                   /* pSaveDC */
 124     EMFDRV_ScaleViewportExtEx,       /* pScaleViewportExtEx */
 125     EMFDRV_ScaleWindowExtEx,         /* pScaleWindowExtEx */
 126     EMFDRV_SelectBitmap,             /* pSelectBitmap */
 127     EMFDRV_SelectBrush,              /* pSelectBrush */
 128     EMFDRV_SelectClipPath,           /* pSelectClipPath */
 129     EMFDRV_SelectFont,               /* pSelectFont */
 130     EMFDRV_SelectPalette,            /* pSelectPalette */
 131     EMFDRV_SelectPen,                /* pSelectPen */
 132     EMFDRV_SetArcDirection,          /* pSetArcDirection */
 133     EMFDRV_SetBkColor,               /* pSetBkColor */
 134     EMFDRV_SetBkMode,                /* pSetBkMode */
 135     NULL,                            /* pSetBoundsRect */
 136     EMFDRV_SetDCBrushColor,          /* pSetDCBrushColor*/
 137     EMFDRV_SetDCPenColor,            /* pSetDCPenColor*/
 138     EMFDRV_SetDIBitsToDevice,        /* pSetDIBitsToDevice */
 139     NULL,                            /* pSetDeviceClipping */
 140     NULL,                            /* pSetDeviceGammaRamp */
 141     EMFDRV_SetLayout,                /* pSetLayout */
 142     EMFDRV_SetMapMode,               /* pSetMapMode */
 143     EMFDRV_SetMapperFlags,           /* pSetMapperFlags */
 144     EMFDRV_SetPixel,                 /* pSetPixel */
 145     EMFDRV_SetPolyFillMode,          /* pSetPolyFillMode */
 146     EMFDRV_SetROP2,                  /* pSetROP2 */
 147     NULL,                            /* pSetRelAbs */
 148     EMFDRV_SetStretchBltMode,        /* pSetStretchBltMode */
 149     EMFDRV_SetTextAlign,             /* pSetTextAlign */
 150     NULL,                            /* pSetTextCharacterExtra */
 151     EMFDRV_SetTextColor,             /* pSetTextColor */
 152     EMFDRV_SetTextJustification,     /* pSetTextJustification */
 153     EMFDRV_SetViewportExtEx,         /* pSetViewportExtEx */
 154     EMFDRV_SetViewportOrgEx,         /* pSetViewportOrgEx */
 155     EMFDRV_SetWindowExtEx,           /* pSetWindowExtEx */
 156     EMFDRV_SetWindowOrgEx,           /* pSetWindowOrgEx */
 157     EMFDRV_SetWorldTransform,        /* pSetWorldTransform */
 158     NULL,                            /* pStartDoc */
 159     NULL,                            /* pStartPage */
 160     EMFDRV_StretchBlt,               /* pStretchBlt */
 161     EMFDRV_StretchDIBits,            /* pStretchDIBits */
 162     EMFDRV_StrokeAndFillPath,        /* pStrokeAndFillPath */
 163     EMFDRV_StrokePath,               /* pStrokePath */
 164     NULL,                            /* pUnrealizePalette */
 165     EMFDRV_WidenPath,                /* pWidenPath */
 166     NULL,                            /* wine_get_wgl_driver */
 167     GDI_PRIORITY_GRAPHICS_DRV        /* priority */
 168 };
 169
 170
 171 /**********************************************************************
 172  *           EMFDRV_DeleteDC
 173  */
 174 static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
 175 {
 176     EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
 177     UINT index;
 178
 179     HeapFree( GetProcessHeap(), 0, physDev->emh );
 180     for(index = 0; index < physDev->handles_size; index++)
 181         if(physDev->handles[index])
 182             GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
 183     HeapFree( GetProcessHeap(), 0, physDev->handles );
 184     HeapFree( GetProcessHeap(), 0, physDev );
 185     return TRUE;
 186 }
 187
 188
 189 /******************************************************************
 190  *         EMFDRV_WriteRecord
 191  *
 192  * Warning: this function can change the pointer to the metafile header.
 193  */
 194 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
 195 {
 196     DWORD len;
 197     DWORD bytes_written;
 198     ENHMETAHEADER *emh;
 199     EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
 200
 201     TRACE("record %d, size %d %s\n",
 202           emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
 203
 204     assert( !(emr->nSize & 3) );
 205
 206     physDev->emh->nBytes += emr->nSize;
 207     physDev->emh->nRecords++;
 208
 209     if(physDev->hFile) {
 210         if (!WriteFile(physDev->hFile, emr, emr->nSize, &bytes_written, NULL))
 211             return FALSE;
 212     } else {
 213         DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
 214         len = physDev->emh->nBytes;
 215         if (len > nEmfSize) {
 216             nEmfSize += (nEmfSize / 2) + emr->nSize;
 217             emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
 218             if (!emh) return FALSE;
 219             physDev->emh = emh;
 220         }
 221         memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
 222                emr->nSize);
 223     }
 224     return TRUE;
 225 }
 226
 227
 228 /******************************************************************
 229  *         EMFDRV_UpdateBBox
 230  */
 231 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
 232 {
 233     EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
 234     RECTL *bounds = &physDev->emh->rclBounds;
 235     RECTL vportRect = *rect;
 236
 237     LPtoDP( dev->hdc, (LPPOINT)&vportRect, 2 );
 238
 239     /* The coordinate systems may be mirrored
 240        (LPtoDP handles points, not rectangles) */
 241     if (vportRect.left > vportRect.right)
 242     {
 243         LONG temp = vportRect.right;
 244         vportRect.right = vportRect.left;
 245         vportRect.left = temp;
 246     }
 247     if (vportRect.top > vportRect.bottom)
 248     {
 249         LONG temp = vportRect.bottom;
 250         vportRect.bottom = vportRect.top;
 251         vportRect.top = temp;
 252     }
 253
 254     if (bounds->left > bounds->right)
 255     {
 256         /* first bounding rectangle */
 257         *bounds = vportRect;
 258     }
 259     else
 260     {
 261         bounds->left   = min(bounds->left,   vportRect.left);
 262         bounds->top    = min(bounds->top,    vportRect.top);
 263         bounds->right  = max(bounds->right,  vportRect.right);
 264         bounds->bottom = max(bounds->bottom, vportRect.bottom);
 265     }
 266 }
 267
 268 /**********************************************************************
 269  *          CreateEnhMetaFileA   (GDI32.@)
 270  */
 271 HDC WINAPI CreateEnhMetaFileA(
 272     HDC hdc,           /* [in] optional reference DC */
 273     LPCSTR filename,   /* [in] optional filename for disk metafiles */
 274     const RECT *rect,  /* [in] optional bounding rectangle */
 275     LPCSTR description /* [in] optional description */
 276     )
 277 {
 278     LPWSTR filenameW = NULL;
 279     LPWSTR descriptionW = NULL;
 280     HDC hReturnDC;
 281     DWORD len1, len2, total;
 282
 283     if(filename)
 284     {
 285         total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 286         filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 287         MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
 288     }
 289     if(description) {
 290         len1 = strlen(description);
 291         len2 = strlen(description + len1 + 1);
 292         total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
 293         descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 294         MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
 295     }
 296
 297     hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
 298
 299     HeapFree( GetProcessHeap(), 0, filenameW );
 300     HeapFree( GetProcessHeap(), 0, descriptionW );
 301
 302     return hReturnDC;
 303 }
 304
 305 /**********************************************************************
 306  *          CreateEnhMetaFileW   (GDI32.@)
 307  */
 308 HDC WINAPI CreateEnhMetaFileW(
 309     HDC           hdc,        /* [in] optional reference DC */
 310     LPCWSTR       filename,   /* [in] optional filename for disk metafiles */
 311     const RECT*   rect,       /* [in] optional bounding rectangle */
 312     LPCWSTR       description /* [in] optional description */
 313     )
 314 {
 315     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
 316     HDC ret;
 317     DC *dc;
 318     EMFDRV_PDEVICE *physDev;
 319     HANDLE hFile;
 320     DWORD size = 0, length = 0;
 321     DWORD bytes_written;
 322
 323     TRACE("(%p %s %s %s)\n", hdc, debugstr_w(filename), wine_dbgstr_rect(rect), debugstr_w(description) );
 324
 325     if (!(dc = alloc_dc_ptr( OBJ_ENHMETADC ))) return 0;
 326
 327     physDev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev));
 328     if (!physDev) {
 329         free_dc_ptr( dc );
 330         return 0;
 331     }
 332     if(description) { /* App name\0Title\0\0 */
 333         length = lstrlenW(description);
 334         length += lstrlenW(description + length + 1);
 335         length += 3;
 336         length *= 2;
 337     }
 338     size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
 339
 340     if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
 341         HeapFree( GetProcessHeap(), 0, physDev );
 342         free_dc_ptr( dc );
 343         return 0;
 344     }
 345
 346     push_dc_driver( &dc->physDev, &physDev->dev, &emfdrv_driver );
 347
 348     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 349     physDev->handles_size = HANDLE_LIST_INC;
 350     physDev->cur_handles = 1;
 351     physDev->hFile = 0;
 352     physDev->dc_brush = 0;
 353     physDev->dc_pen = 0;
 354     physDev->screen_dc = 0;
 355     physDev->restoring = 0;
 356     physDev->path = FALSE;
 357     if (hdc)  /* if no ref, use current display */
 358         physDev->ref_dc = hdc;
 359     else
 360         physDev->ref_dc = physDev->screen_dc = CreateDCW( displayW, NULL, NULL, NULL );
 361
 362     SetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0);
 363
 364     physDev->emh->iType = EMR_HEADER;
 365     physDev->emh->nSize = size;
 366
 367     physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
 368     physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
 369
 370     if(rect) {
 371         physDev->emh->rclFrame.left   = rect->left;
 372         physDev->emh->rclFrame.top    = rect->top;
 373         physDev->emh->rclFrame.right  = rect->right;
 374         physDev->emh->rclFrame.bottom = rect->bottom;
 375     } else {  /* Set this to {0,0 - -1,-1} and update it at the end */
 376         physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
 377         physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
 378     }
 379
 380     physDev->emh->dSignature = ENHMETA_SIGNATURE;
 381     physDev->emh->nVersion = 0x10000;
 382     physDev->emh->nBytes = physDev->emh->nSize;
 383     physDev->emh->nRecords = 1;
 384     physDev->emh->nHandles = 1;
 385
 386     physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
 387     physDev->emh->nDescription = length / 2;
 388
 389     physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
 390
 391     physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
 392
 393     /* Size in pixels */
 394     physDev->emh->szlDevice.cx = GetDeviceCaps( physDev->ref_dc, HORZRES );
 395     physDev->emh->szlDevice.cy = GetDeviceCaps( physDev->ref_dc, VERTRES );
 396
 397     /* Size in millimeters */
 398     physDev->emh->szlMillimeters.cx = GetDeviceCaps( physDev->ref_dc, HORZSIZE );
 399     physDev->emh->szlMillimeters.cy = GetDeviceCaps( physDev->ref_dc, VERTSIZE );
 400
 401     /* Size in micrometers */
 402     physDev->emh->szlMicrometers.cx = physDev->emh->szlMillimeters.cx * 1000;
 403     physDev->emh->szlMicrometers.cy = physDev->emh->szlMillimeters.cy * 1000;
 404
 405     memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
 406
 407     if (filename)  /* disk based metafile */
 408     {
 409         if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
 410                                  NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 411             free_dc_ptr( dc );
 412             return 0;
 413         }
 414         if (!WriteFile( hFile, physDev->emh, size, &bytes_written, NULL )) {
 415             free_dc_ptr( dc );
 416             CloseHandle( hFile );
 417             return 0;
 418         }
 419         physDev->hFile = hFile;
 420     }
 421
 422     TRACE("returning %p\n", physDev->dev.hdc);
 423     ret = physDev->dev.hdc;
 424     release_dc_ptr( dc );
 425
 426     return ret;
 427 }
 428
 429 /******************************************************************
 430  *             CloseEnhMetaFile (GDI32.@)
 431  */
 432 HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
 433 {
 434     HENHMETAFILE hmf;
 435     EMFDRV_PDEVICE *physDev;
 436     DC *dc;
 437     EMREOF emr;
 438     HANDLE hMapping = 0;
 439
 440     TRACE("(%p)\n", hdc );
 441
 442     if (!(dc = get_dc_ptr( hdc ))) return NULL;
 443     if (GetObjectType( hdc ) != OBJ_ENHMETADC)
 444     {
 445         release_dc_ptr( dc );
 446         return NULL;
 447     }
 448     if (dc->refcount != 1)
 449     {
 450         FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
 451         release_dc_ptr( dc );
 452         return NULL;
 453     }
 454     physDev = get_emf_physdev( find_dc_driver( dc, &emfdrv_driver ));
 455
 456     if(dc->saveLevel)
 457         RestoreDC(hdc, 1);
 458
 459     if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
 460     if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
 461     if (physDev->screen_dc) DeleteDC( physDev->screen_dc );
 462
 463     emr.emr.iType = EMR_EOF;
 464     emr.emr.nSize = sizeof(emr);
 465     emr.nPalEntries = 0;
 466     emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
 467     emr.nSizeLast = emr.emr.nSize;
 468     EMFDRV_WriteRecord( &physDev->dev, &emr.emr );
 469
 470     /* Update rclFrame if not initialized in CreateEnhMetaFile */
 471     if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
 472         physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
 473           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 474         physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
 475           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 476         physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
 477           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 478         physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
 479           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 480     }
 481
 482     if (physDev->hFile)  /* disk based metafile */
 483     {
 484         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
 485         {
 486             CloseHandle( physDev->hFile );
 487             free_dc_ptr( dc );
 488             return 0;
 489         }
 490
 491         if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh),
 492                        NULL, NULL))
 493         {
 494             CloseHandle( physDev->hFile );
 495             free_dc_ptr( dc );
 496             return 0;
 497         }
 498         HeapFree( GetProcessHeap(), 0, physDev->emh );
 499         hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
 500                                       0, NULL);
 501         TRACE("hMapping = %p\n", hMapping );
 502         physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
 503         TRACE("view = %p\n", physDev->emh );
 504         CloseHandle( hMapping );
 505         CloseHandle( physDev->hFile );
 506     }
 507
 508     hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
 509     physDev->emh = NULL;  /* So it won't be deleted */
 510     free_dc_ptr( dc );
 511     return hmf;
 512 }