Changeset 4274 for trunk/src/ole32/datacache.cpp

Timestamp:

Sep 17, 2000, 12:31:07 PM (25 years ago)

Author:

davidr

Message:

Updates from wine

File:

• trunk/src/ole32/datacache.cpp (modified) (6 diffs)

trunk/src/ole32/datacache.cpp

@@ -1 @@
-/* $Id: datacache.cpp,v 1.2 2000-03-19 15:33:05 davidr Exp $ */
+/* $Id: datacache.cpp,v 1.3 2000-09-17 10:31:02 davidr Exp $ */
 /* 
  *  OLE 2 Data cache
@@ -64 +64 @@
   DWORD unknown6;
   DWORD unknown7;
-  DWORD objectExtentX;
-  DWORD objectExtentY;
-  DWORD unknown8;
+  DWORD dwObjectExtentX;
+  DWORD dwObjectExtentY;
+  DWORD dwSize;
 } PresentationDataHeader;
 
@@ -1006 +1006 @@
 }
 
+/************************************************************************
+ * DataCache_GetData
+ *
+ * Get Data from a source dataobject using format pformatetcIn->cfFormat
+ * See Windows documentation for more details on GetData.
+ * TODO: Currently only CF_METAFILEPICT is implemented
+ */
 static HRESULT WINAPI DataCache_GetData(
             IDataObject*     iface,
@@ -1011 +1018 @@
             STGMEDIUM*       pmedium)
 {
-  FIXME("stub\n");
+  HRESULT hr = 0;
+  HRESULT hrRet = E_UNEXPECTED;
+  IPersistStorage *pPersistStorage = 0;
+  IStorage *pStorage = 0;
+  IStream *pStream = 0;
+  OLECHAR name[]={ 2, 'O', 'l', 'e', 'P', 'r', 'e', 's', '0', '0', '0', 0};
+  HGLOBAL hGlobalMF = 0;
+  void *mfBits = 0;
+  PresentationDataHeader pdh;
+  METAFILEPICT *mfPict;
+  HMETAFILE hMetaFile = 0;
+
+  if (pformatetcIn->cfFormat == CF_METAFILEPICT)
+  {
+    /* Get the Persist Storage */
+
+    hr = IDataObject_QueryInterface(iface, &IID_IPersistStorage, (void**)&pPersistStorage);
+
+    if (hr != S_OK)
+      goto cleanup;
+
+    /* Create a doc file to copy the doc to a storage */
+
+    hr = StgCreateDocfile(NULL, STGM_CREATE | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &pStorage);
+
+    if (hr != S_OK)
+      goto cleanup;
+
+    /* Save it to storage */
+
+    hr = OleSave(pPersistStorage, pStorage, FALSE);
+
+    if (hr != S_OK)
+      goto cleanup;
+
+    /* Open the Presentation data srteam */
+
+    hr = IStorage_OpenStream(pStorage, name, 0, STGM_CREATE|STGM_SHARE_EXCLUSIVE|STGM_READWRITE, 0, &pStream);
+
+    if (hr != S_OK)
+      goto cleanup;
+
+    /* Read the presentation header */
+
+    hr = IStream_Read(pStream, &pdh, sizeof(PresentationDataHeader), NULL);
+
+    if (hr != S_OK)
+      goto cleanup;
+
+    mfBits = HeapAlloc(GetProcessHeap(), 0, pdh.dwSize);
+
+    /* Read the Metafile bits */
+
+    hr = IStream_Read(pStream, mfBits, pdh.dwSize, NULL);
+
+    if (hr != S_OK)
+      goto cleanup;
+
+    /* Create the metafile and place it in the STGMEDIUM structure */
+
+    hMetaFile = SetMetaFileBitsEx(pdh.dwSize, (BYTE *)mfBits);
+
+    hGlobalMF = GlobalAlloc(GMEM_SHARE|GMEM_MOVEABLE, sizeof(METAFILEPICT));
+    mfPict = (METAFILEPICT *)GlobalLock(hGlobalMF);
+    mfPict->hMF = hMetaFile;
+
+    GlobalUnlock(hGlobalMF);
+
+    pmedium->u.hGlobal = hGlobalMF;
+    pmedium->tymed = TYMED_MFPICT;
+    hrRet = S_OK;
+
+cleanup:
+
+    if (mfBits)
+      HeapFree(GetProcessHeap(), 0, mfBits);
+
+    if (pStream)
+      IStream_Release(pStream);
+
+    if (pStorage)
+      IStorage_Release(pStorage);
+
+    if (pPersistStorage)
+      IPersistStorage_Release(pPersistStorage);
+
+    return hrRet;
+  }
+
+  /* TODO: Other formats are not implemented */
+
   return E_NOTIMPL;
 }
@@ -1485 +1582 @@
 
     SetWindowExtEx(hdcDraw,
-                   presData.objectExtentX,
-                   presData.objectExtentY,
+                   presData.dwObjectExtentX,
+                   presData.dwObjectExtentY,
                    &oldWindowExt);
 
@@ -1705 +1802 @@
   if (SUCCEEDED(hres))
   {
-    lpsizel->cx = presData.objectExtentX;
-    lpsizel->cy = presData.objectExtentY;
+    lpsizel->cx = presData.dwObjectExtentX;
+    lpsizel->cy = presData.dwObjectExtentY;
   }