[ros-diffs] [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.
jimtabor at svn.reactos.org
jimtabor at svn.reactos.org
Mon Jan 10 01:36:16 UTC 2011
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/objects/metafile.c?rev=50351&r1=50350&r2=50351&view=diff
==============================================================================
--- 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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