[jimtabor] 50351: [Win32k] - Implement NtGdiCreateMetafileDC. - Since most of the gdi work I committed is being reverted or if'ed out of existence, this will be the last.
Author: jimtabor Date: Mon Jan 10 01:36:14 2011 New Revision: 50351
URL: http://svn.reactos.org/svn/reactos?rev=50351&view=rev Log: [Win32k] - Implement NtGdiCreateMetafileDC. - Since most of the gdi work I committed is being reverted or if'ed out of existence, this will be the last.
Modified: trunk/reactos/subsystems/win32/win32k/objects/metafile.c
Modified: trunk/reactos/subsystems/win32/win32k/objects/metafile.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj... ============================================================================== --- trunk/reactos/subsystems/win32/win32k/objects/metafile.c [iso-8859-1] (original) +++ trunk/reactos/subsystems/win32/win32k/objects/metafile.c [iso-8859-1] Mon Jan 10 01:36:14 2011 @@ -28,213 +28,29 @@ }
/* - * @unimplemented + * @implemented */ HDC APIENTRY NtGdiCreateMetafileDC(IN HDC hdc) { + PDC pDc; + HDC ret = NULL;
- UNIMPLEMENTED; - return NULL; - - -#if 0 - PDC Dc; - HDC ret = NULL; - DWORD length = 0; - HDC tempHDC; - DWORD MemSize; - DWORD dwDesiredAccess; - - tempHDC = hDCRef; - if (hDCRef == NULL) + if (hdc) { - /* FIXME ?? - * Shall we create hdc NtGdiHdcCompatible hdc ?? - */ - UNICODE_STRING DriverName; - RtlInitUnicodeString(&DriverName, L"DISPLAY"); - //IntGdiCreateDC(&DriverName, NULL, NULL, NULL, FALSE); - tempHDC = NtGdiOpenDCW( &DriverName, - NULL, - NULL, - 0, // DCW 0 and ICW 1. - NULL, - (PVOID) NULL, - (PVOID) NULL ); - } - - GDIOBJ_SetOwnership(GdiHandleTable, tempHDC, PsGetCurrentProcess()); - DC_SetOwnership(tempHDC, PsGetCurrentProcess()); - - Dc = DC_LockDc(tempHDC); - if (Dc == NULL) - { - if (hDCRef == NULL) - { - NtGdiDeleteObjectApp(tempHDC); - } - EngSetLastError(ERROR_INVALID_HANDLE); - return NULL; - } - - if(Description) - { - length = wcslen(Description); - length += wcslen(Description + length + 1); - length += 3; - length *= 2; - } - - MemSize = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4; - - if (!(Dc->emh = EngAllocMem(FL_ZERO_MEMORY, MemSize, 0))) - { - DC_UnlockDc(Dc); - if (hDCRef == NULL) - { - NtGdiDeleteObjectApp(tempHDC); - } - EngSetLastError(ERROR_INVALID_HANDLE); - return NULL; - } - - Dc->emh->iType = EMR_HEADER; - Dc->emh->nSize = MemSize; - - Dc->emh->rclBounds.left = Dc->emh->rclBounds.top = 0; - Dc->emh->rclBounds.right = Dc->emh->rclBounds.bottom = -1; - - if(Rect) - { - Dc->emh->rclFrame.left = Rect->left; - Dc->emh->rclFrame.top = Rect->top; - Dc->emh->rclFrame.right = Rect->right; - Dc->emh->rclFrame.bottom = Rect->bottom; + pDc = DC_LockDc(hdc); + if (pDc) + { // Not sure this is right for getting the HDEV handle, maybe Timo could help or just if'ed it out. + ret = IntGdiCreateDisplayDC(pDc->ppdev->BaseObject.hHmgr, DC_TYPE_INFO, TRUE); + DC_UnlockDc(pDc); + } } else { - /* Set this to {0,0 - -1,-1} and update it at the end */ - Dc->emh->rclFrame.left = Dc->emh->rclFrame.top = 0; - Dc->emh->rclFrame.right = Dc->emh->rclFrame.bottom = -1; + ret = UserGetDesktopDC(DC_TYPE_INFO, TRUE, FALSE); } - - Dc->emh->dSignature = ENHMETA_SIGNATURE; - Dc->emh->nVersion = 0x10000; - Dc->emh->nBytes = Dc->emh->nSize; - Dc->emh->nRecords = 1; - Dc->emh->nHandles = 1; - - Dc->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */ - Dc->emh->nDescription = length / 2; - - Dc->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0; - - Dc->emh->nPalEntries = 0; /* I guess this should start at 0 */ - - /* Size in pixels */ - Dc->emh->szlDevice.cx = NtGdiGetDeviceCaps(tempHDC, HORZRES); - Dc->emh->szlDevice.cy = NtGdiGetDeviceCaps(tempHDC, VERTRES); - - /* Size in millimeters */ - Dc->emh->szlMillimeters.cx = NtGdiGetDeviceCaps(tempHDC, HORZSIZE); - Dc->emh->szlMillimeters.cy = NtGdiGetDeviceCaps(tempHDC, VERTSIZE); - - /* Size in micrometers */ - Dc->emh->szlMicrometers.cx = Dc->emh->szlMillimeters.cx * 1000; - Dc->emh->szlMicrometers.cy = Dc->emh->szlMillimeters.cy * 1000; - - if(Description) - { - memcpy((char *)Dc->emh + sizeof(ENHMETAHEADER), Description, length); - } - - ret = tempHDC; - if (File) - { - OBJECT_ATTRIBUTES ObjectAttributes; - IO_STATUS_BLOCK IoStatusBlock; - IO_STATUS_BLOCK Iosb; - UNICODE_STRING NtPathU; - NTSTATUS Status; - ULONG FileAttributes = (FILE_ATTRIBUTE_VALID_FLAGS & ~FILE_ATTRIBUTE_DIRECTORY); - - DPRINT1("Trying Create EnhMetaFile\n"); - - /* disk based metafile */ - dwDesiredAccess = GENERIC_WRITE | GENERIC_READ | SYNCHRONIZE | FILE_READ_ATTRIBUTES; - - if (!RtlDosPathNameToNtPathName_U (File, &NtPathU, NULL, NULL)) - { - DC_UnlockDc(Dc); - if (hDCRef == NULL) - { - NtGdiDeleteObjectApp(tempHDC); - } - DPRINT1("Can not Create EnhMetaFile\n"); - EngSetLastError(ERROR_PATH_NOT_FOUND); - return NULL; - } - - InitializeObjectAttributes(&ObjectAttributes, &NtPathU, 0, NULL, NULL); - - Status = NtCreateFile (&Dc->hFile, dwDesiredAccess, &ObjectAttributes, &IoStatusBlock, - NULL, FileAttributes, 0, FILE_OVERWRITE_IF, FILE_NON_DIRECTORY_FILE, - NULL, 0); - - RtlFreeHeap(RtlGetProcessHeap(), 0, NtPathU.Buffer); - - if (!NT_SUCCESS(Status)) - { - Dc->hFile = NULL; - DC_UnlockDc(Dc); - if (hDCRef == NULL) - { - NtGdiDeleteObjectApp(tempHDC); - } - DPRINT1("Create EnhMetaFile fail\n"); - EngSetLastError(ERROR_INVALID_HANDLE); - return NULL; - } - - EngSetLastError(IoStatusBlock.Information == FILE_OVERWRITTEN ? ERROR_ALREADY_EXISTS : 0); - - Status = NtWriteFile(Dc->hFile, NULL, NULL, NULL, &Iosb, (PVOID)&Dc->emh, Dc->emh->nSize, NULL, NULL); - if (Status == STATUS_PENDING) - { - Status = NtWaitForSingleObject(Dc->hFile,FALSE,NULL); - if (NT_SUCCESS(Status)) - { - Status = Iosb.Status; - } - } - - if (NT_SUCCESS(Status)) - { - ret = tempHDC; - DC_UnlockDc(Dc); - } - else - { - Dc->hFile = NULL; - DPRINT1("Write to EnhMetaFile fail\n"); - EngSetLastError(ERROR_CAN_NOT_COMPLETE); - ret = NULL; - DC_UnlockDc(Dc); - if (hDCRef == NULL) - { - NtGdiDeleteObjectApp(tempHDC); - } - } - } - else - { - DC_UnlockDc(Dc); - } - - return ret; -#endif + return ret; }
/*
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