/********************************************************************** * MFDRV_CloseMetaFile */ static DC *MFDRV_CloseMetaFile( HDC hdc ) { DC *dc; METAFILEDRV_PDEVICE *physDev; TRACE("(%p)\n", hdc ); if (!(dc = get_dc_ptr( hdc ))) return NULL; if (dc->header.type != OBJ_METADC) { release_dc_ptr( dc ); return NULL; } if (dc->refcount != 1) { FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount ); release_dc_ptr( dc ); return NULL; } physDev = (METAFILEDRV_PDEVICE *)dc->physDev; /* Construct the end of metafile record - this is documented * in SDK Knowledgebase Q99334. */ if (!MFDRV_MetaParam0(dc->physDev, META_EOF)) { free_dc_ptr( dc ); return 0; } if (physDev->mh->mtType == METAFILE_DISK) /* disk based metafile */ { if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) { free_dc_ptr( dc ); return 0; } physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */ if (!WriteFile(physDev->hFile, physDev->mh, sizeof(*physDev->mh), NULL, NULL)) { free_dc_ptr( dc ); return 0; } CloseHandle(physDev->hFile); physDev->mh->mtType = METAFILE_DISK; } return dc; }
/********************************************************************** * MFDRV_AllocMetaFile */ static DC *MFDRV_AllocMetaFile(void) { DC *dc; METAFILEDRV_PDEVICE *physDev; if (!(dc = alloc_dc_ptr( &MFDRV_Funcs, OBJ_METADC ))) return NULL; physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev)); if (!physDev) { free_dc_ptr( dc ); return NULL; } dc->physDev = (PHYSDEV)physDev; physDev->hdc = dc->hSelf; if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) ))) { HeapFree( GetProcessHeap(), 0, physDev ); free_dc_ptr( dc ); return NULL; } physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0])); physDev->handles_size = HANDLE_LIST_INC; physDev->cur_handles = 0; physDev->hFile = 0; physDev->mh->mtHeaderSize = sizeof(METAHEADER) / sizeof(WORD); physDev->mh->mtVersion = 0x0300; physDev->mh->mtSize = physDev->mh->mtHeaderSize; physDev->mh->mtNoObjects = 0; physDev->mh->mtMaxRecord = 0; physDev->mh->mtNoParameters = 0; SetVirtualResolution(dc->hSelf, 0, 0, 0, 0); return dc; }
/********************************************************************** * CreateMetaFileW (GDI32.@) * * Create a new DC and associate it with a metafile. Pass a filename * to create a disk-based metafile, NULL to create a memory metafile. * * PARAMS * filename [I] Filename of disk metafile * * RETURNS * A handle to the metafile DC if successful, NULL on failure. */ HDC WINAPI CreateMetaFileW( LPCWSTR filename ) { HDC ret; DC *dc; METAFILEDRV_PDEVICE *physDev; HANDLE hFile; TRACE("%s\n", debugstr_w(filename) ); if (!(dc = MFDRV_AllocMetaFile())) return 0; physDev = (METAFILEDRV_PDEVICE *)dc->physDev; if (filename) /* disk based metafile */ { physDev->mh->mtType = METAFILE_DISK; if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) { free_dc_ptr( dc ); return 0; } if (!WriteFile( hFile, physDev->mh, sizeof(*physDev->mh), NULL, NULL )) { free_dc_ptr( dc ); CloseHandle (hFile ); return 0; } physDev->hFile = hFile; /* Grow METAHEADER to include filename */ physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename, TRUE); } else /* memory based metafile */ physDev->mh->mtType = METAFILE_MEMORY; TRACE("returning %p\n", physDev->dev.hdc); ret = physDev->dev.hdc; release_dc_ptr( dc ); return ret; }
/********************************************************************** * MFDRV_DeleteDC */ static BOOL MFDRV_DeleteDC( DC *dc ) { METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev; DWORD index; HeapFree( GetProcessHeap(), 0, physDev->mh ); for(index = 0; index < physDev->handles_size; index++) if(physDev->handles[index]) GDI_hdc_not_using_object(physDev->handles[index], physDev->hdc); HeapFree( GetProcessHeap(), 0, physDev->handles ); HeapFree( GetProcessHeap(), 0, physDev ); dc->physDev = NULL; free_dc_ptr( dc ); return TRUE; }
/****************************************************************** * CloseMetaFile (GDI32.@) * * Stop recording graphics operations in metafile associated with * hdc and retrieve metafile. * * PARAMS * hdc [I] Metafile DC to close * * RETURNS * Handle of newly created metafile on success, NULL on failure. */ HMETAFILE WINAPI CloseMetaFile(HDC hdc) { HMETAFILE hmf; METAFILEDRV_PDEVICE *physDev; DC *dc = MFDRV_CloseMetaFile(hdc); if (!dc) return 0; physDev = (METAFILEDRV_PDEVICE *)dc->physDev; /* Now allocate a global handle for the metafile */ hmf = MF_Create_HMETAFILE( physDev->mh ); physDev->mh = NULL; /* So it won't be deleted */ free_dc_ptr( dc ); return hmf; }
/****************************************************************** * CloseEnhMetaFile (GDI32.@) */ HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */ { HENHMETAFILE hmf; EMFDRV_PDEVICE *physDev; DC *dc; EMREOF emr; HANDLE hMapping = 0; TRACE("(%p)\n", hdc ); if (!(dc = get_dc_ptr( hdc ))) return NULL; if (GetObjectType( hdc ) != OBJ_ENHMETADC) { release_dc_ptr( dc ); return NULL; } if (dc->refcount != 1) { FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount ); release_dc_ptr( dc ); return NULL; } physDev = (EMFDRV_PDEVICE *)dc->physDev; if(dc->saveLevel) RestoreDC(hdc, 1); if (physDev->dc_brush) DeleteObject( physDev->dc_brush ); if (physDev->dc_pen) DeleteObject( physDev->dc_pen ); if (physDev->screen_dc) DeleteDC( physDev->screen_dc ); emr.emr.iType = EMR_EOF; emr.emr.nSize = sizeof(emr); emr.nPalEntries = 0; emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast); emr.nSizeLast = emr.emr.nSize; EMFDRV_WriteRecord( dc->physDev, &emr.emr ); /* Update rclFrame if not initialized in CreateEnhMetaFile */ if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) { physDev->emh->rclFrame.left = physDev->emh->rclBounds.left * physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx; physDev->emh->rclFrame.top = physDev->emh->rclBounds.top * physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy; physDev->emh->rclFrame.right = physDev->emh->rclBounds.right * physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx; physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom * physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy; } if (physDev->hFile) /* disk based metafile */ { if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) { CloseHandle( physDev->hFile ); free_dc_ptr( dc ); return 0; } if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh), NULL, NULL)) { CloseHandle( physDev->hFile ); free_dc_ptr( dc ); return 0; } HeapFree( GetProcessHeap(), 0, physDev->emh ); hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0, 0, NULL); TRACE("hMapping = %p\n", hMapping ); physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0); TRACE("view = %p\n", physDev->emh ); CloseHandle( hMapping ); CloseHandle( physDev->hFile ); } hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) ); physDev->emh = NULL; /* So it won't be deleted */ free_dc_ptr( dc ); return hmf; }
/********************************************************************** * CreateEnhMetaFileW (GDI32.@) */ HDC WINAPI CreateEnhMetaFileW( HDC hdc, /* [in] optional reference DC */ LPCWSTR filename, /* [in] optional filename for disk metafiles */ const RECT* rect, /* [in] optional bounding rectangle */ LPCWSTR description /* [in] optional description */ ) { static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0}; HDC ret; DC *dc; EMFDRV_PDEVICE *physDev; HANDLE hFile; DWORD size = 0, length = 0; TRACE("%s\n", debugstr_w(filename) ); if (!(dc = alloc_dc_ptr( OBJ_ENHMETADC ))) return 0; physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev)); if (!physDev) { free_dc_ptr( dc ); return 0; } if(description) { /* App name\0Title\0\0 */ length = lstrlenW(description); length += lstrlenW(description + length + 1); length += 3; length *= 2; } size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4; if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) { HeapFree( GetProcessHeap(), 0, physDev ); free_dc_ptr( dc ); return 0; } push_dc_driver( &dc->physDev, &physDev->dev, &EMFDRV_Funcs ); physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0])); physDev->handles_size = HANDLE_LIST_INC; physDev->cur_handles = 1; physDev->hFile = 0; physDev->dc_brush = 0; physDev->dc_pen = 0; physDev->screen_dc = 0; physDev->restoring = 0; if (hdc) /* if no ref, use current display */ physDev->ref_dc = hdc; else physDev->ref_dc = physDev->screen_dc = CreateDCW( displayW, NULL, NULL, NULL ); SetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0); physDev->emh->iType = EMR_HEADER; physDev->emh->nSize = size; physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0; physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1; if(rect) { physDev->emh->rclFrame.left = rect->left; physDev->emh->rclFrame.top = rect->top; physDev->emh->rclFrame.right = rect->right; physDev->emh->rclFrame.bottom = rect->bottom; } else { /* Set this to {0,0 - -1,-1} and update it at the end */ physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0; physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1; } physDev->emh->dSignature = ENHMETA_SIGNATURE; physDev->emh->nVersion = 0x10000; physDev->emh->nBytes = physDev->emh->nSize; physDev->emh->nRecords = 1; physDev->emh->nHandles = 1; physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */ physDev->emh->nDescription = length / 2; physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0; physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */ /* Size in pixels */ physDev->emh->szlDevice.cx = GetDeviceCaps( physDev->ref_dc, HORZRES ); physDev->emh->szlDevice.cy = GetDeviceCaps( physDev->ref_dc, VERTRES ); /* Size in millimeters */ physDev->emh->szlMillimeters.cx = GetDeviceCaps( physDev->ref_dc, HORZSIZE ); physDev->emh->szlMillimeters.cy = GetDeviceCaps( physDev->ref_dc, VERTSIZE ); /* Size in micrometers */ physDev->emh->szlMicrometers.cx = physDev->emh->szlMillimeters.cx * 1000; physDev->emh->szlMicrometers.cy = physDev->emh->szlMillimeters.cy * 1000; memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length); if (filename) /* disk based metafile */ { if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0, NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) { free_dc_ptr( dc ); return 0; } if (!WriteFile( hFile, physDev->emh, size, NULL, NULL )) { free_dc_ptr( dc ); CloseHandle( hFile ); return 0; } physDev->hFile = hFile; } TRACE("returning %p\n", physDev->dev.hdc); ret = physDev->dev.hdc; release_dc_ptr( dc ); return ret; }
/********************************************************************** * CreateEnhMetaFileW (GDI32.@) */ HDC WINAPI CreateEnhMetaFileW( HDC hdc, /* [in] optional reference DC */ LPCWSTR filename, /* [in] optional filename for disk metafiles */ const RECT* rect, /* [in] optional bounding rectangle */ LPCWSTR description /* [in] optional description */ ) { static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0}; HDC ret; DC *dc; HDC hRefDC = hdc ? hdc : CreateDCW(displayW,NULL,NULL,NULL); /* If no ref, use current display */ EMFDRV_PDEVICE *physDev; HANDLE hFile; DWORD size = 0, length = 0; TRACE("%s\n", debugstr_w(filename) ); if (!(dc = alloc_dc_ptr( &EMFDRV_Funcs, OBJ_ENHMETADC ))) return 0; physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev)); if (!physDev) { free_dc_ptr( dc ); return 0; } dc->physDev = (PHYSDEV)physDev; physDev->hdc = dc->hSelf; if(description) { /* App name\0Title\0\0 */ length = lstrlenW(description); length += lstrlenW(description + length + 1); length += 3; length *= 2; } size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4; if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) { HeapFree( GetProcessHeap(), 0, physDev ); free_dc_ptr( dc ); return 0; } physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0])); physDev->handles_size = HANDLE_LIST_INC; physDev->cur_handles = 1; physDev->hFile = 0; physDev->horzres = GetDeviceCaps(hRefDC, HORZRES); physDev->vertres = GetDeviceCaps(hRefDC, VERTRES); physDev->logpixelsx = GetDeviceCaps(hRefDC, LOGPIXELSX); physDev->logpixelsy = GetDeviceCaps(hRefDC, LOGPIXELSY); physDev->horzsize = GetDeviceCaps(hRefDC, HORZSIZE); physDev->vertsize = GetDeviceCaps(hRefDC, VERTSIZE); physDev->bitspixel = GetDeviceCaps(hRefDC, BITSPIXEL); physDev->textcaps = GetDeviceCaps(hRefDC, TEXTCAPS); physDev->rastercaps = GetDeviceCaps(hRefDC, RASTERCAPS); physDev->technology = GetDeviceCaps(hRefDC, TECHNOLOGY); physDev->planes = GetDeviceCaps(hRefDC, PLANES); physDev->numcolors = GetDeviceCaps(hRefDC, NUMCOLORS); physDev->restoring = 0; SetVirtualResolution(dc->hSelf, 0, 0, 0, 0); physDev->emh->iType = EMR_HEADER; physDev->emh->nSize = size; physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0; physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1; if(rect) { physDev->emh->rclFrame.left = rect->left; physDev->emh->rclFrame.top = rect->top; physDev->emh->rclFrame.right = rect->right; physDev->emh->rclFrame.bottom = rect->bottom; } else { /* Set this to {0,0 - -1,-1} and update it at the end */ physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0; physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1; } physDev->emh->dSignature = ENHMETA_SIGNATURE; physDev->emh->nVersion = 0x10000; physDev->emh->nBytes = physDev->emh->nSize; physDev->emh->nRecords = 1; physDev->emh->nHandles = 1; physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */ physDev->emh->nDescription = length / 2; physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0; physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */ /* Size in pixels */ physDev->emh->szlDevice.cx = physDev->horzres; physDev->emh->szlDevice.cy = physDev->vertres; /* Size in millimeters */ physDev->emh->szlMillimeters.cx = physDev->horzsize; physDev->emh->szlMillimeters.cy = physDev->vertsize; /* Size in micrometers */ physDev->emh->szlMicrometers.cx = physDev->horzsize * 1000; physDev->emh->szlMicrometers.cy = physDev->vertsize * 1000; memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length); if (filename) /* disk based metafile */ { if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0, NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) { EMFDRV_DeleteDC( dc ); return 0; } if (!WriteFile( hFile, physDev->emh, size, NULL, NULL )) { EMFDRV_DeleteDC( dc ); return 0; } physDev->hFile = hFile; } TRACE("returning %p\n", dc->hSelf); ret = dc->hSelf; release_dc_ptr( dc ); if( !hdc ) DeleteDC( hRefDC ); return ret; }