RImage* QSLItemData::Load2(
LPSTORAGE pIStorage, // @parm storage
BOOL fDescOnly )
{
RImage* pImage = NULL;
char strDescription[kBufLength];
TRY
{
COleStreamFile str;
if (!fDescOnly)
{
// open stream
CString szStream = "PREVIEW";
if (str.OpenStream (pIStorage, szStream, CFile::modeRead | CFile::shareExclusive))
{
// Read in the image data
RTempFileBuffer buffer;
buffer.Resize( str.GetLength() );
str.Read( buffer.GetBuffer(), str.GetLength() );
str.Close();
// Create the image
pImage = RImageLibrary().ImportImage( buffer );
}
}
if (fDescOnly)
{
// open stream
CString szStream = "DESCRIPTION";
if (str.OpenStream (pIStorage, szStream, CFile::modeRead | CFile::shareExclusive))
{
str.Read (&strDescription, min( kBufLength, str.GetLength() ));
str.Close();
}
// return bitmap handle and description string
m_strDesc = strDescription;
}
} // End try
CATCH(CArchiveException, archExcept)
{
//CBExceptionReporter::ArchiveException(archExcept);
}
END_CATCH
return pImage;
}
void COleDocument::SaveToStorage(CObject* pObject)
{
ASSERT(m_lpRootStg != NULL);
// create Contents stream
COleStreamFile file;
CFileException fe;
if (!file.CreateStream(m_lpRootStg, _T("Contents"),
CFile::modeReadWrite|CFile::shareExclusive|CFile::modeCreate, &fe))
{
if (fe.m_cause == CFileException::fileNotFound)
AfxThrowArchiveException(CArchiveException::badSchema);
else
AfxThrowFileException(fe.m_cause, fe.m_lOsError);
}
// save to Contents stream
CArchive saveArchive(&file, CArchive::store | CArchive::bNoFlushOnDelete);
saveArchive.m_pDocument = this;
saveArchive.m_bForceFlat = FALSE;
TRY
{
// save the contents
if (pObject != NULL)
pObject->Serialize(saveArchive);
else
Serialize(saveArchive);
saveArchive.Close();
file.Close();
// commit the root storage
SCODE sc = m_lpRootStg->Commit(STGC_ONLYIFCURRENT);
if (sc != S_OK)
AfxThrowOleException(sc);
}
CATCH_ALL(e)
{
file.Abort(); // will not throw an exception
CommitItems(FALSE); // abort save in progress
NO_CPP_EXCEPTION(saveArchive.Abort());
THROW_LAST();
}
END_CATCH_ALL
}
void COleDocument::LoadFromStorage()
{
ASSERT(m_lpRootStg != NULL);
// open Contents stream
COleStreamFile file;
CFileException fe;
if (!file.OpenStream(m_lpRootStg, _T("Contents"),
CFile::modeRead|CFile::shareExclusive, &fe) &&
!file.CreateStream(m_lpRootStg, _T("Contents"),
CFile::modeRead|CFile::shareExclusive|CFile::modeCreate, &fe))
{
if (fe.m_cause == CFileException::fileNotFound)
AfxThrowArchiveException(CArchiveException::badSchema);
else
AfxThrowFileException(fe.m_cause, fe.m_lOsError);
}
// load it with CArchive (loads from Contents stream)
CArchive loadArchive(&file, CArchive::load | CArchive::bNoFlushOnDelete);
loadArchive.m_pDocument = this;
loadArchive.m_bForceFlat = FALSE;
TRY
{
if (file.GetLength() != 0)
Serialize(loadArchive); // load main contents
loadArchive.Close();
file.Close();
}
CATCH_ALL(e)
{
file.Abort(); // will not throw an exception
DeleteContents(); // removed failed contents
NO_CPP_EXCEPTION(loadArchive.Abort());
THROW_LAST();
}
END_CATCH_ALL
}
BOOL CFormObj::CreateFromSubDocumentClipboard(CArchive& ar, IStorage* pStorage)
{
USES_CONVERSION;
HRESULT hResult;
TCHAR szDocumentName[64];
IStoragePtr pSubStorage;
ASSERT_VALID(this);
ASSERT(ar.IsLoading());
m_dwObjectNumber = GetNewObjectNumber();
CString strName;
ar >> strName;
//用于确定所创建的子存储
DWORD dwDocumentNumber;
ar >> dwDocumentNumber;
wsprintf(szDocumentName, _T("SubDoc%lu"), dwDocumentNumber);
//打开子存储
hResult = pStorage->OpenStorage(T2COLE(szDocumentName), NULL, STGM_READWRITE|
STGM_SHARE_EXCLUSIVE, NULL, 0, &pSubStorage);
if (FAILED(hResult))
{
AfxThrowOleException(hResult);
}
int bOpen;
ar >> bOpen;
if (bOpen)
{
//创建项目流
COleStreamFile file;
CFileException fe;
if (!file.OpenStream(pSubStorage, _T("Contents"),
CFile::modeRead|CFile::shareExclusive, &fe))
{
if (fe.m_cause == CFileException::fileNotFound)
AfxThrowArchiveException(CArchiveException::badSchema);
else
AfxThrowFileException(fe.m_cause, fe.m_lOsError);
}
//保存到项目流
CArchive loadArchive(&file, CArchive::load | CArchive::bNoFlushOnDelete);
//注意CFormObj与CFormDoc的对等关系
if (!CreateFormDoc())
return FALSE;
VERIFY(m_pFormDoc->CreateFromClipboard(loadArchive, pSubStorage) == TRUE);
loadArchive.Flush();
file.Close();
}
else
{
//注意CFormObj与CFormDoc的对等关系
if (!CreateFormDoc())
return FALSE;
m_pFormDoc->ReadFromStorage(pSubStorage);
}
// 2004.8.10 remove flow 2 lines
// CRectF position = m_pFormDoc->m_position;
// MoveTo(position, FALSE);
// 2004.8.10 add flow 1 lines
m_position = m_pFormDoc->m_position;
m_ptRotateBase = m_position.CenterPoint();
if (!PutDisplayName(strName))
{
CString strBaseName = strName;
RemoveRightDigits(strBaseName);
m_pDocument->CreateUniqueObjectName(this, (IsBaseObject() || strBaseName.IsEmpty()) ? LPCTSTR(NULL) : strBaseName); // 使用源对象名字作为基本名
}
return TRUE;
}