[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.

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/ob…
==============================================================================
--- 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;
 }
 
 /*