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,                            /* pDeleteBitmap */
  55     EMFDRV_DeleteDC,                 /* pDeleteDC */
  56     EMFDRV_DeleteObject,             /* pDeleteObject */
  57     NULL,                            /* pDescribePixelFormat */
  58     NULL,                            /* pDeviceCapabilities */
  59     EMFDRV_Ellipse,                  /* pEllipse */
  60     NULL,                            /* pEndDoc */
  61     NULL,                            /* pEndPage */
  62     EMFDRV_EndPath,                  /* pEndPath */
  63     NULL,                            /* pEnumFonts */
  64     NULL,                            /* pEnumICMProfiles */
  65     EMFDRV_ExcludeClipRect,          /* pExcludeClipRect */
  66     NULL,                            /* pExtDeviceMode */
  67     NULL,                            /* pExtEscape */
  68     EMFDRV_ExtFloodFill,             /* pExtFloodFill */
  69     EMFDRV_ExtSelectClipRgn,         /* pExtSelectClipRgn */
  70     EMFDRV_ExtTextOut,               /* pExtTextOut */
  71     EMFDRV_FillPath,                 /* pFillPath */
  72     EMFDRV_FillRgn,                  /* pFillRgn */
  73     EMFDRV_FlattenPath,              /* pFlattenPath */
  74     NULL,                            /* pFontIsLinked */
  75     EMFDRV_FrameRgn,                 /* pFrameRgn */
  76     EMFDRV_GdiComment,               /* pGdiComment */
  77     NULL,                            /* pGdiRealizationInfo */
  78     NULL,                            /* pGetBoundsRect */
  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     EMFDRV_PolyBezier,               /* pPolyBezier */
 114     EMFDRV_PolyBezierTo,             /* 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     NULL,                            /* pSetBoundsRect */
 141     EMFDRV_SetDCBrushColor,          /* pSetDCBrushColor*/
 142     EMFDRV_SetDCPenColor,            /* pSetDCPenColor*/
 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     NULL,                            /* pwglCopyContext */
 174     NULL,                            /* pwglCreateContext */
 175     NULL,                            /* pwglCreateContextAttribsARB */
 176     NULL,                            /* pwglDeleteContext */
 177     NULL,                            /* pwglGetProcAddress */
 178     NULL,                            /* pwglMakeContextCurrentARB */
 179     NULL,                            /* pwglMakeCurrent */
 180     NULL,                            /* pwglSetPixelFormatWINE */
 181     NULL,                            /* pwglShareLists */
 182     NULL,                            /* pwglUseFontBitmapsA */
 183     NULL,                            /* pwglUseFontBitmapsW */
 184     GDI_PRIORITY_GRAPHICS_DRV        /* priority */
 185 };
 186
 187
 188 /**********************************************************************
 189  *           EMFDRV_DeleteDC
 190  */
 191 static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
 192 {
 193     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 194     UINT index;
 195
 196     if (physDev->emh) HeapFree( GetProcessHeap(), 0, physDev->emh );
 197     for(index = 0; index < physDev->handles_size; index++)
 198         if(physDev->handles[index])
 199             GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
 200     HeapFree( GetProcessHeap(), 0, physDev->handles );
 201     HeapFree( GetProcessHeap(), 0, physDev );
 202     return TRUE;
 203 }
 204
 205
 206 /******************************************************************
 207  *         EMFDRV_WriteRecord
 208  *
 209  * Warning: this function can change the pointer to the metafile header.
 210  */
 211 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
 212 {
 213     DWORD len;
 214     ENHMETAHEADER *emh;
 215     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 216
 217     TRACE("record %d, size %d %s\n",
 218           emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
 219
 220     assert( !(emr->nSize & 3) );
 221
 222     physDev->emh->nBytes += emr->nSize;
 223     physDev->emh->nRecords++;
 224
 225     if(physDev->hFile) {
 226         if (!WriteFile(physDev->hFile, emr, emr->nSize, NULL, NULL))
 227             return FALSE;
 228     } else {
 229         DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
 230         len = physDev->emh->nBytes;
 231         if (len > nEmfSize) {
 232             nEmfSize += (nEmfSize / 2) + emr->nSize;
 233             emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
 234             if (!emh) return FALSE;
 235             physDev->emh = emh;
 236         }
 237         memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
 238                emr->nSize);
 239     }
 240     return TRUE;
 241 }
 242
 243
 244 /******************************************************************
 245  *         EMFDRV_UpdateBBox
 246  */
 247 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
 248 {
 249     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 250     RECTL *bounds = &physDev->emh->rclBounds;
 251     RECTL vportRect = *rect;
 252
 253     LPtoDP( dev->hdc, (LPPOINT)&vportRect, 2 );
 254
 255     /* The coordinate systems may be mirrored
 256        (LPtoDP handles points, not rectangles) */
 257     if (vportRect.left > vportRect.right)
 258     {
 259         LONG temp = vportRect.right;
 260         vportRect.right = vportRect.left;
 261         vportRect.left = temp;
 262     }
 263     if (vportRect.top > vportRect.bottom)
 264     {
 265         LONG temp = vportRect.bottom;
 266         vportRect.bottom = vportRect.top;
 267         vportRect.top = temp;
 268     }
 269
 270     if (bounds->left > bounds->right)
 271     {
 272         /* first bounding rectangle */
 273         *bounds = vportRect;
 274     }
 275     else
 276     {
 277         bounds->left   = min(bounds->left,   vportRect.left);
 278         bounds->top    = min(bounds->top,    vportRect.top);
 279         bounds->right  = max(bounds->right,  vportRect.right);
 280         bounds->bottom = max(bounds->bottom, vportRect.bottom);
 281     }
 282 }
 283
 284 /**********************************************************************
 285  *          CreateEnhMetaFileA   (GDI32.@)
 286  */
 287 HDC WINAPI CreateEnhMetaFileA(
 288     HDC hdc,           /* [in] optional reference DC */
 289     LPCSTR filename,   /* [in] optional filename for disk metafiles */
 290     const RECT *rect,  /* [in] optional bounding rectangle */
 291     LPCSTR description /* [in] optional description */
 292     )
 293 {
 294     LPWSTR filenameW = NULL;
 295     LPWSTR descriptionW = NULL;
 296     HDC hReturnDC;
 297     DWORD len1, len2, total;
 298
 299     if(filename)
 300     {
 301         total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 302         filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 303         MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
 304     }
 305     if(description) {
 306         len1 = strlen(description);
 307         len2 = strlen(description + len1 + 1);
 308         total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
 309         descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 310         MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
 311     }
 312
 313     hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
 314
 315     HeapFree( GetProcessHeap(), 0, filenameW );
 316     HeapFree( GetProcessHeap(), 0, descriptionW );
 317
 318     return hReturnDC;
 319 }
 320
 321 /**********************************************************************
 322  *          CreateEnhMetaFileW   (GDI32.@)
 323  */
 324 HDC WINAPI CreateEnhMetaFileW(
 325     HDC           hdc,        /* [in] optional reference DC */
 326     LPCWSTR       filename,   /* [in] optional filename for disk metafiles */
 327     const RECT*   rect,       /* [in] optional bounding rectangle */
 328     LPCWSTR       description /* [in] optional description */
 329     )
 330 {
 331     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
 332     HDC ret;
 333     DC *dc;
 334     EMFDRV_PDEVICE *physDev;
 335     HANDLE hFile;
 336     DWORD size = 0, length = 0;
 337
 338     TRACE("%s\n", debugstr_w(filename) );
 339
 340     if (!(dc = alloc_dc_ptr( OBJ_ENHMETADC ))) return 0;
 341
 342     physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 343     if (!physDev) {
 344         free_dc_ptr( dc );
 345         return 0;
 346     }
 347     if(description) { /* App name\0Title\0\0 */
 348         length = lstrlenW(description);
 349         length += lstrlenW(description + length + 1);
 350         length += 3;
 351         length *= 2;
 352     }
 353     size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
 354
 355     if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
 356         HeapFree( GetProcessHeap(), 0, physDev );
 357         free_dc_ptr( dc );
 358         return 0;
 359     }
 360
 361     push_dc_driver( &dc->physDev, &physDev->dev, &EMFDRV_Funcs );
 362
 363     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 364     physDev->handles_size = HANDLE_LIST_INC;
 365     physDev->cur_handles = 1;
 366     physDev->hFile = 0;
 367     physDev->dc_brush = 0;
 368     physDev->dc_pen = 0;
 369     physDev->screen_dc = 0;
 370     physDev->restoring = 0;
 371     if (hdc)  /* if no ref, use current display */
 372         physDev->ref_dc = hdc;
 373     else
 374         physDev->ref_dc = physDev->screen_dc = CreateDCW( displayW, NULL, NULL, NULL );
 375
 376     SetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0);
 377
 378     physDev->emh->iType = EMR_HEADER;
 379     physDev->emh->nSize = size;
 380
 381     physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
 382     physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
 383
 384     if(rect) {
 385         physDev->emh->rclFrame.left   = rect->left;
 386         physDev->emh->rclFrame.top    = rect->top;
 387         physDev->emh->rclFrame.right  = rect->right;
 388         physDev->emh->rclFrame.bottom = rect->bottom;
 389     } else {  /* Set this to {0,0 - -1,-1} and update it at the end */
 390         physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
 391         physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
 392     }
 393
 394     physDev->emh->dSignature = ENHMETA_SIGNATURE;
 395     physDev->emh->nVersion = 0x10000;
 396     physDev->emh->nBytes = physDev->emh->nSize;
 397     physDev->emh->nRecords = 1;
 398     physDev->emh->nHandles = 1;
 399
 400     physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
 401     physDev->emh->nDescription = length / 2;
 402
 403     physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
 404
 405     physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
 406
 407     /* Size in pixels */
 408     physDev->emh->szlDevice.cx = GetDeviceCaps( physDev->ref_dc, HORZRES );
 409     physDev->emh->szlDevice.cy = GetDeviceCaps( physDev->ref_dc, VERTRES );
 410
 411     /* Size in millimeters */
 412     physDev->emh->szlMillimeters.cx = GetDeviceCaps( physDev->ref_dc, HORZSIZE );
 413     physDev->emh->szlMillimeters.cy = GetDeviceCaps( physDev->ref_dc, VERTSIZE );
 414
 415     /* Size in micrometers */
 416     physDev->emh->szlMicrometers.cx = physDev->emh->szlMillimeters.cx * 1000;
 417     physDev->emh->szlMicrometers.cy = physDev->emh->szlMillimeters.cy * 1000;
 418
 419     memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
 420
 421     if (filename)  /* disk based metafile */
 422     {
 423         if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
 424                                  NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 425             free_dc_ptr( dc );
 426             return 0;
 427         }
 428         if (!WriteFile( hFile, physDev->emh, size, NULL, NULL )) {
 429             free_dc_ptr( dc );
 430             return 0;
 431         }
 432         physDev->hFile = hFile;
 433     }
 434
 435     TRACE("returning %p\n", physDev->dev.hdc);
 436     ret = physDev->dev.hdc;
 437     release_dc_ptr( dc );
 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     if (physDev->screen_dc) DeleteDC( physDev->screen_dc );
 475
 476     emr.emr.iType = EMR_EOF;
 477     emr.emr.nSize = sizeof(emr);
 478     emr.nPalEntries = 0;
 479     emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
 480     emr.nSizeLast = emr.emr.nSize;
 481     EMFDRV_WriteRecord( dc->physDev, &emr.emr );
 482
 483     /* Update rclFrame if not initialized in CreateEnhMetaFile */
 484     if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
 485         physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
 486           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 487         physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
 488           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 489         physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
 490           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 491         physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
 492           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 493     }
 494
 495     if (physDev->hFile)  /* disk based metafile */
 496     {
 497         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
 498         {
 499             CloseHandle( physDev->hFile );
 500             free_dc_ptr( dc );
 501             return 0;
 502         }
 503
 504         if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh),
 505                        NULL, NULL))
 506         {
 507             CloseHandle( physDev->hFile );
 508             free_dc_ptr( dc );
 509             return 0;
 510         }
 511         HeapFree( GetProcessHeap(), 0, physDev->emh );
 512         hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
 513                                       0, NULL);
 514         TRACE("hMapping = %p\n", hMapping );
 515         physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
 516         TRACE("view = %p\n", physDev->emh );
 517         CloseHandle( hMapping );
 518         CloseHandle( physDev->hFile );
 519     }
 520
 521     hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
 522     physDev->emh = NULL;  /* So it won't be deleted */
 523     free_dc_ptr( dc );
 524     return hmf;
 525 }