git.oblomov.eu Git - wine/blob - dlls/gdi32/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_Funcs =
  38 {
  39     NULL,                            /* pAbortDoc */
  40     EMFDRV_AbortPath,                /* pAbortPath */
  41     NULL,                            /* pAlphaBlend */
  42     NULL,                            /* pAngleArc */
  43     EMFDRV_Arc,                      /* pArc */
  44     NULL,                            /* pArcTo */
  45     EMFDRV_BeginPath,                /* pBeginPath */
  46     NULL,                            /* pBlendImage */
  47     NULL,                            /* pChoosePixelFormat */
  48     EMFDRV_Chord,                    /* pChord */
  49     EMFDRV_CloseFigure,              /* pCloseFigure */
  50     NULL,                            /* pCopyBitmap */
  51     NULL,                            /* pCreateBitmap */
  52     NULL,                            /* pCreateCompatibleDC */
  53     NULL,                            /* pCreateDC */
  54     NULL,                            /* pCreateDIBSection */
  55     NULL,                            /* pDeleteBitmap */
  56     EMFDRV_DeleteDC,                 /* pDeleteDC */
  57     EMFDRV_DeleteObject,             /* pDeleteObject */
  58     NULL,                            /* pDescribePixelFormat */
  59     NULL,                            /* pDeviceCapabilities */
  60     EMFDRV_Ellipse,                  /* pEllipse */
  61     NULL,                            /* pEndDoc */
  62     NULL,                            /* pEndPage */
  63     EMFDRV_EndPath,                  /* pEndPath */
  64     NULL,                            /* pEnumFonts */
  65     NULL,                            /* pEnumICMProfiles */
  66     EMFDRV_ExcludeClipRect,          /* pExcludeClipRect */
  67     NULL,                            /* pExtDeviceMode */
  68     NULL,                            /* pExtEscape */
  69     EMFDRV_ExtFloodFill,             /* pExtFloodFill */
  70     EMFDRV_ExtSelectClipRgn,         /* pExtSelectClipRgn */
  71     EMFDRV_ExtTextOut,               /* pExtTextOut */
  72     EMFDRV_FillPath,                 /* pFillPath */
  73     EMFDRV_FillRgn,                  /* pFillRgn */
  74     EMFDRV_FlattenPath,              /* pFlattenPath */
  75     NULL,                            /* pFontIsLinked */
  76     EMFDRV_FrameRgn,                 /* pFrameRgn */
  77     EMFDRV_GdiComment,               /* pGdiComment */
  78     NULL,                            /* pGdiRealizationInfo */
  79     NULL,                            /* pGetCharABCWidths */
  80     NULL,                            /* pGetCharABCWidthsI */
  81     NULL,                            /* pGetCharWidth */
  82     EMFDRV_GetDeviceCaps,            /* pGetDeviceCaps */
  83     NULL,                            /* pGetDeviceGammaRamp */
  84     NULL,                            /* pGetFontData */
  85     NULL,                            /* pGetFontUnicodeRanges */
  86     NULL,                            /* pGetGlyphIndices */
  87     NULL,                            /* pGetGlyphOutline */
  88     NULL,                            /* pGetICMProfile */
  89     NULL,                            /* pGetImage */
  90     NULL,                            /* pGetKerningPairs */
  91     NULL,                            /* pGetNearestColor */
  92     NULL,                            /* pGetOutlineTextMetrics */
  93     NULL,                            /* pGetPixel */
  94     NULL,                            /* pGetPixelFormat */
  95     NULL,                            /* pGetSystemPaletteEntries */
  96     NULL,                            /* pGetTextCharsetInfo */
  97     NULL,                            /* pGetTextExtentExPoint */
  98     NULL,                            /* pGetTextExtentExPointI */
  99     NULL,                            /* pGetTextFace */
 100     NULL,                            /* pGetTextMetrics */
 101     NULL,                            /* pGradientFill */
 102     EMFDRV_IntersectClipRect,        /* pIntersectClipRect */
 103     EMFDRV_InvertRgn,                /* pInvertRgn */
 104     EMFDRV_LineTo,                   /* pLineTo */
 105     EMFDRV_ModifyWorldTransform,     /* pModifyWorldTransform */
 106     EMFDRV_MoveTo,                   /* pMoveTo */
 107     EMFDRV_OffsetClipRgn,            /* pOffsetClipRgn */
 108     EMFDRV_OffsetViewportOrgEx,      /* pOffsetViewportOrgEx */
 109     EMFDRV_OffsetWindowOrgEx,        /* pOffsetWindowOrgEx */
 110     EMFDRV_PaintRgn,                 /* pPaintRgn */
 111     EMFDRV_PatBlt,                   /* pPatBlt */
 112     EMFDRV_Pie,                      /* pPie */
 113     NULL,                            /* pPolyBezier */
 114     NULL,                            /* pPolyBezierTo */
 115     NULL,                            /* pPolyDraw */
 116     EMFDRV_PolyPolygon,              /* pPolyPolygon */
 117     EMFDRV_PolyPolyline,             /* pPolyPolyline */
 118     EMFDRV_Polygon,                  /* pPolygon */
 119     EMFDRV_Polyline,                 /* pPolyline */
 120     NULL,                            /* pPolylineTo */
 121     NULL,                            /* pPutImage */
 122     NULL,                            /* pRealizeDefaultPalette */
 123     NULL,                            /* pRealizePalette */
 124     EMFDRV_Rectangle,                /* pRectangle */
 125     NULL,                            /* pResetDC */
 126     EMFDRV_RestoreDC,                /* pRestoreDC */
 127     EMFDRV_RoundRect,                /* pRoundRect */
 128     EMFDRV_SaveDC,                   /* pSaveDC */
 129     EMFDRV_ScaleViewportExtEx,       /* pScaleViewportExtEx */
 130     EMFDRV_ScaleWindowExtEx,         /* pScaleWindowExtEx */
 131     EMFDRV_SelectBitmap,             /* pSelectBitmap */
 132     EMFDRV_SelectBrush,              /* pSelectBrush */
 133     EMFDRV_SelectClipPath,           /* pSelectClipPath */
 134     EMFDRV_SelectFont,               /* pSelectFont */
 135     EMFDRV_SelectPalette,            /* pSelectPalette */
 136     EMFDRV_SelectPen,                /* pSelectPen */
 137     EMFDRV_SetArcDirection,          /* pSetArcDirection */
 138     EMFDRV_SetBkColor,               /* pSetBkColor */
 139     EMFDRV_SetBkMode,                /* pSetBkMode */
 140     EMFDRV_SetDCBrushColor,          /* pSetDCBrushColor*/
 141     EMFDRV_SetDCPenColor,            /* pSetDCPenColor*/
 142     NULL,                            /* pSetDIBColorTable */
 143     EMFDRV_SetDIBitsToDevice,        /* pSetDIBitsToDevice */
 144     NULL,                            /* pSetDeviceClipping */
 145     NULL,                            /* pSetDeviceGammaRamp */
 146     EMFDRV_SetLayout,                /* pSetLayout */
 147     EMFDRV_SetMapMode,               /* pSetMapMode */
 148     EMFDRV_SetMapperFlags,           /* pSetMapperFlags */
 149     EMFDRV_SetPixel,                 /* pSetPixel */
 150     NULL,                            /* pSetPixelFormat */
 151     EMFDRV_SetPolyFillMode,          /* pSetPolyFillMode */
 152     EMFDRV_SetROP2,                  /* pSetROP2 */
 153     NULL,                            /* pSetRelAbs */
 154     EMFDRV_SetStretchBltMode,        /* pSetStretchBltMode */
 155     EMFDRV_SetTextAlign,             /* pSetTextAlign */
 156     NULL,                            /* pSetTextCharacterExtra */
 157     EMFDRV_SetTextColor,             /* pSetTextColor */
 158     EMFDRV_SetTextJustification,     /* pSetTextJustification */
 159     EMFDRV_SetViewportExtEx,         /* pSetViewportExtEx */
 160     EMFDRV_SetViewportOrgEx,         /* pSetViewportOrgEx */
 161     EMFDRV_SetWindowExtEx,           /* pSetWindowExtEx */
 162     EMFDRV_SetWindowOrgEx,           /* pSetWindowOrgEx */
 163     EMFDRV_SetWorldTransform,        /* pSetWorldTransform */
 164     NULL,                            /* pStartDoc */
 165     NULL,                            /* pStartPage */
 166     EMFDRV_StretchBlt,               /* pStretchBlt */
 167     EMFDRV_StretchDIBits,            /* pStretchDIBits */
 168     EMFDRV_StrokeAndFillPath,        /* pStrokeAndFillPath */
 169     EMFDRV_StrokePath,               /* pStrokePath */
 170     NULL,                            /* pSwapBuffers */
 171     NULL,                            /* pUnrealizePalette */
 172     EMFDRV_WidenPath                 /* pWidenPath */
 173 };
 174
 175
 176 /**********************************************************************
 177  *           EMFDRV_DeleteDC
 178  */
 179 static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
 180 {
 181     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 182     UINT index;
 183
 184     if (physDev->emh) HeapFree( GetProcessHeap(), 0, physDev->emh );
 185     for(index = 0; index < physDev->handles_size; index++)
 186         if(physDev->handles[index])
 187             GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
 188     HeapFree( GetProcessHeap(), 0, physDev->handles );
 189     HeapFree( GetProcessHeap(), 0, physDev );
 190     return TRUE;
 191 }
 192
 193
 194 /******************************************************************
 195  *         EMFDRV_WriteRecord
 196  *
 197  * Warning: this function can change the pointer to the metafile header.
 198  */
 199 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
 200 {
 201     DWORD len;
 202     ENHMETAHEADER *emh;
 203     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 204
 205     TRACE("record %d, size %d %s\n",
 206           emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
 207
 208     assert( !(emr->nSize & 3) );
 209
 210     physDev->emh->nBytes += emr->nSize;
 211     physDev->emh->nRecords++;
 212
 213     if(physDev->hFile) {
 214         if (!WriteFile(physDev->hFile, emr, emr->nSize, NULL, NULL))
 215             return FALSE;
 216     } else {
 217         DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
 218         len = physDev->emh->nBytes;
 219         if (len > nEmfSize) {
 220             nEmfSize += (nEmfSize / 2) + emr->nSize;
 221             emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
 222             if (!emh) return FALSE;
 223             physDev->emh = emh;
 224         }
 225         memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
 226                emr->nSize);
 227     }
 228     return TRUE;
 229 }
 230
 231
 232 /******************************************************************
 233  *         EMFDRV_UpdateBBox
 234  */
 235 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
 236 {
 237     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 238     RECTL *bounds = &physDev->emh->rclBounds;
 239     RECTL vportRect = *rect;
 240
 241     LPtoDP( dev->hdc, (LPPOINT)&vportRect, 2 );
 242
 243     /* The coordinate systems may be mirrored
 244        (LPtoDP handles points, not rectangles) */
 245     if (vportRect.left > vportRect.right)
 246     {
 247         LONG temp = vportRect.right;
 248         vportRect.right = vportRect.left;
 249         vportRect.left = temp;
 250     }
 251     if (vportRect.top > vportRect.bottom)
 252     {
 253         LONG temp = vportRect.bottom;
 254         vportRect.bottom = vportRect.top;
 255         vportRect.top = temp;
 256     }
 257
 258     if (bounds->left > bounds->right)
 259     {
 260         /* first bounding rectangle */
 261         *bounds = vportRect;
 262     }
 263     else
 264     {
 265         bounds->left   = min(bounds->left,   vportRect.left);
 266         bounds->top    = min(bounds->top,    vportRect.top);
 267         bounds->right  = max(bounds->right,  vportRect.right);
 268         bounds->bottom = max(bounds->bottom, vportRect.bottom);
 269     }
 270 }
 271
 272 /**********************************************************************
 273  *          CreateEnhMetaFileA   (GDI32.@)
 274  */
 275 HDC WINAPI CreateEnhMetaFileA(
 276     HDC hdc,           /* [in] optional reference DC */
 277     LPCSTR filename,   /* [in] optional filename for disk metafiles */
 278     const RECT *rect,  /* [in] optional bounding rectangle */
 279     LPCSTR description /* [in] optional description */
 280     )
 281 {
 282     LPWSTR filenameW = NULL;
 283     LPWSTR descriptionW = NULL;
 284     HDC hReturnDC;
 285     DWORD len1, len2, total;
 286
 287     if(filename)
 288     {
 289         total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 290         filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 291         MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
 292     }
 293     if(description) {
 294         len1 = strlen(description);
 295         len2 = strlen(description + len1 + 1);
 296         total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
 297         descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 298         MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
 299     }
 300
 301     hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
 302
 303     HeapFree( GetProcessHeap(), 0, filenameW );
 304     HeapFree( GetProcessHeap(), 0, descriptionW );
 305
 306     return hReturnDC;
 307 }
 308
 309 /**********************************************************************
 310  *          CreateEnhMetaFileW   (GDI32.@)
 311  */
 312 HDC WINAPI CreateEnhMetaFileW(
 313     HDC           hdc,        /* [in] optional reference DC */
 314     LPCWSTR       filename,   /* [in] optional filename for disk metafiles */
 315     const RECT*   rect,       /* [in] optional bounding rectangle */
 316     LPCWSTR       description /* [in] optional description */
 317     )
 318 {
 319     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
 320     HDC ret;
 321     DC *dc;
 322     HDC hRefDC = hdc ? hdc : CreateDCW(displayW,NULL,NULL,NULL);
 323         /* If no ref, use current display */
 324     EMFDRV_PDEVICE *physDev;
 325     HANDLE hFile;
 326     DWORD size = 0, length = 0;
 327
 328     TRACE("%s\n", debugstr_w(filename) );
 329
 330     if (!(dc = alloc_dc_ptr( OBJ_ENHMETADC ))) return 0;
 331
 332     physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 333     if (!physDev) {
 334         free_dc_ptr( dc );
 335         return 0;
 336     }
 337     if(description) { /* App name\0Title\0\0 */
 338         length = lstrlenW(description);
 339         length += lstrlenW(description + length + 1);
 340         length += 3;
 341         length *= 2;
 342     }
 343     size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
 344
 345     if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
 346         HeapFree( GetProcessHeap(), 0, physDev );
 347         free_dc_ptr( dc );
 348         return 0;
 349     }
 350
 351     push_dc_driver( &dc->physDev, &physDev->dev, &EMFDRV_Funcs );
 352
 353     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 354     physDev->handles_size = HANDLE_LIST_INC;
 355     physDev->cur_handles = 1;
 356     physDev->hFile = 0;
 357     physDev->dc_brush = 0;
 358     physDev->dc_pen = 0;
 359     physDev->horzres = GetDeviceCaps(hRefDC, HORZRES);
 360     physDev->vertres = GetDeviceCaps(hRefDC, VERTRES);
 361     physDev->logpixelsx = GetDeviceCaps(hRefDC, LOGPIXELSX);
 362     physDev->logpixelsy = GetDeviceCaps(hRefDC, LOGPIXELSY);
 363     physDev->horzsize = GetDeviceCaps(hRefDC, HORZSIZE);
 364     physDev->vertsize = GetDeviceCaps(hRefDC, VERTSIZE);
 365     physDev->bitspixel = GetDeviceCaps(hRefDC, BITSPIXEL);
 366     physDev->textcaps = GetDeviceCaps(hRefDC, TEXTCAPS);
 367     physDev->rastercaps = GetDeviceCaps(hRefDC, RASTERCAPS);
 368     physDev->technology = GetDeviceCaps(hRefDC, TECHNOLOGY);
 369     physDev->planes = GetDeviceCaps(hRefDC, PLANES);
 370     physDev->numcolors = GetDeviceCaps(hRefDC, NUMCOLORS);
 371     physDev->restoring = 0;
 372
 373     SetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0);
 374
 375     physDev->emh->iType = EMR_HEADER;
 376     physDev->emh->nSize = size;
 377
 378     physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
 379     physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
 380
 381     if(rect) {
 382         physDev->emh->rclFrame.left   = rect->left;
 383         physDev->emh->rclFrame.top    = rect->top;
 384         physDev->emh->rclFrame.right  = rect->right;
 385         physDev->emh->rclFrame.bottom = rect->bottom;
 386     } else {  /* Set this to {0,0 - -1,-1} and update it at the end */
 387         physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
 388         physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
 389     }
 390
 391     physDev->emh->dSignature = ENHMETA_SIGNATURE;
 392     physDev->emh->nVersion = 0x10000;
 393     physDev->emh->nBytes = physDev->emh->nSize;
 394     physDev->emh->nRecords = 1;
 395     physDev->emh->nHandles = 1;
 396
 397     physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
 398     physDev->emh->nDescription = length / 2;
 399
 400     physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
 401
 402     physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
 403
 404     /* Size in pixels */
 405     physDev->emh->szlDevice.cx = physDev->horzres;
 406     physDev->emh->szlDevice.cy = physDev->vertres;
 407
 408     /* Size in millimeters */
 409     physDev->emh->szlMillimeters.cx = physDev->horzsize;
 410     physDev->emh->szlMillimeters.cy = physDev->vertsize;
 411
 412     /* Size in micrometers */
 413     physDev->emh->szlMicrometers.cx = physDev->horzsize * 1000;
 414     physDev->emh->szlMicrometers.cy = physDev->vertsize * 1000;
 415
 416     memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
 417
 418     if (filename)  /* disk based metafile */
 419     {
 420         if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
 421                                  NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 422             free_dc_ptr( dc );
 423             return 0;
 424         }
 425         if (!WriteFile( hFile, physDev->emh, size, NULL, NULL )) {
 426             free_dc_ptr( dc );
 427             return 0;
 428         }
 429         physDev->hFile = hFile;
 430     }
 431
 432     TRACE("returning %p\n", physDev->dev.hdc);
 433     ret = physDev->dev.hdc;
 434     release_dc_ptr( dc );
 435
 436     if( !hdc )
 437       DeleteDC( hRefDC );
 438
 439     return ret;
 440 }
 441
 442 /******************************************************************
 443  *             CloseEnhMetaFile (GDI32.@)
 444  */
 445 HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
 446 {
 447     HENHMETAFILE hmf;
 448     EMFDRV_PDEVICE *physDev;
 449     DC *dc;
 450     EMREOF emr;
 451     HANDLE hMapping = 0;
 452
 453     TRACE("(%p)\n", hdc );
 454
 455     if (!(dc = get_dc_ptr( hdc ))) return NULL;
 456     if (dc->header.type != OBJ_ENHMETADC)
 457     {
 458         release_dc_ptr( dc );
 459         return NULL;
 460     }
 461     if (dc->refcount != 1)
 462     {
 463         FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
 464         release_dc_ptr( dc );
 465         return NULL;
 466     }
 467     physDev = (EMFDRV_PDEVICE *)dc->physDev;
 468
 469     if(dc->saveLevel)
 470         RestoreDC(hdc, 1);
 471
 472     if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
 473     if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
 474
 475     emr.emr.iType = EMR_EOF;
 476     emr.emr.nSize = sizeof(emr);
 477     emr.nPalEntries = 0;
 478     emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
 479     emr.nSizeLast = emr.emr.nSize;
 480     EMFDRV_WriteRecord( dc->physDev, &emr.emr );
 481
 482     /* Update rclFrame if not initialized in CreateEnhMetaFile */
 483     if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
 484         physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
 485           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 486         physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
 487           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 488         physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
 489           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 490         physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
 491           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 492     }
 493
 494     if (physDev->hFile)  /* disk based metafile */
 495     {
 496         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
 497         {
 498             CloseHandle( physDev->hFile );
 499             free_dc_ptr( dc );
 500             return 0;
 501         }
 502
 503         if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh),
 504                        NULL, NULL))
 505         {
 506             CloseHandle( physDev->hFile );
 507             free_dc_ptr( dc );
 508             return 0;
 509         }
 510         HeapFree( GetProcessHeap(), 0, physDev->emh );
 511         hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
 512                                       0, NULL);
 513         TRACE("hMapping = %p\n", hMapping );
 514         physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
 515         TRACE("view = %p\n", physDev->emh );
 516         CloseHandle( hMapping );
 517         CloseHandle( physDev->hFile );
 518     }
 519
 520     hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
 521     physDev->emh = NULL;  /* So it won't be deleted */
 522     free_dc_ptr( dc );
 523     return hmf;
 524 }