[ros-diffs] [tkreuzer] 33792: preserve code for NtGdiCreateEnhMetaFile from win32k (where it's going to be removed later) in gdi32 (where it's going to be implemented later)
tkreuzer at svn.reactos.org
tkreuzer at svn.reactos.org
Sun Jun 1 01:15:34 CEST 2008
Author: tkreuzer
Date: Sat May 31 18:15:34 2008
New Revision: 33792
URL: http://svn.reactos.org/svn/reactos?rev=33792&view=rev
Log:
preserve code for NtGdiCreateEnhMetaFile from win32k (where it's going to be removed later) in gdi32 (where it's going to be implemented later)
Modified:
trunk/reactos/dll/win32/gdi32/objects/enhmfile.c
Modified: trunk/reactos/dll/win32/gdi32/objects/enhmfile.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/gdi32/objects/enhmfile.c?rev=33792&r1=33791&r2=33792&view=diff
==============================================================================
--- trunk/reactos/dll/win32/gdi32/objects/enhmfile.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/gdi32/objects/enhmfile.c [iso-8859-1] Sat May 31 18:15:34 2008
@@ -458,6 +458,211 @@
return rc;
}
+#if 0
+/* Previous implementation in win32k */
+HDC
+STDCALL
+NtGdiCreateEnhMetaFile(HDC hDCRef,
+ LPCWSTR File,
+ CONST LPRECT Rect,
+ LPCWSTR Description)
+{
+ PDC Dc;
+ HDC ret = NULL;
+ DWORD length = 0;
+ HDC tempHDC;
+ DWORD MemSize;
+ DWORD dwDesiredAccess;
+
+ tempHDC = hDCRef;
+ if (hDCRef == NULL)
+ {
+ /* 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);
+ }
+ SetLastWin32Error(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);
+ }
+ SetLastWin32Error(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;
+ }
+ 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;
+ }
+
+ 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");
+ SetLastWin32Error(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");
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return NULL;
+ }
+
+ SetLastWin32Error(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");
+ SetLastWin32Error(ERROR_CAN_NOT_COMPLETE);
+ ret = NULL;
+ DC_UnlockDc(Dc);
+ if (hDCRef == NULL)
+ {
+ NtGdiDeleteObjectApp(tempHDC);
+ }
+ }
+ }
+ else
+ {
+ DC_UnlockDc(Dc);
+ }
+
+ return ret;
+}
+#endif
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