FARINTERNAL_(BOOL) UtGetClassID(LPUNKNOWN lpUnk, CLSID FAR* lpClsid)
{
VDATEHEAP();
LPOLEOBJECT lpOleObj; // IOleObject pointer
LPPERSIST lpPersist; // IPersist pointer
// try to ask it as an object
if (lpUnk->QueryInterface(IID_IOleObject,
(LPLPVOID)&lpOleObj) == NOERROR)
{
lpOleObj->GetUserClassID(lpClsid);
lpOleObj->Release();
return(TRUE);
}
// try to ask it as a persistent object
if (lpUnk->QueryInterface(IID_IPersist,
(LPLPVOID)&lpPersist) == NOERROR)
{
lpPersist->GetClassID(lpClsid);
lpPersist->Release();
return(TRUE);
}
*lpClsid = CLSID_NULL;
return(FALSE);
}
STDMETHODIMP COleUILinkInfo::SetLinkSource(
DWORD dwLink, LPTSTR lpszDisplayName, ULONG lenFileName,
ULONG* pchEaten, BOOL fValidateSource)
{
USES_CONVERSION;
COleClientItem* pItem = (COleClientItem*)dwLink;
ASSERT_VALID(pItem);
ASSERT_KINDOF(COleClientItem, pItem);
ASSERT(pItem->GetType() == OT_LINK);
LPOLEOBJECT lpObject = NULL;
CLSID clsid;
// parse the portion known to be a file name into a file moniker
TCHAR szName[_MAX_PATH];
lstrcpyn(szName, lpszDisplayName, (int)lenFileName + 1);
LPMONIKER lpmk = NULL;
SCODE sc = CreateFileMoniker(T2COLE(szName), &lpmk);
if (lpmk == NULL)
return sc;
LPBC lpbc = NULL;
if (fValidateSource)
{
sc = CreateBindCtx(0, &lpbc);
if (sc != S_OK)
{
lpmk->Release();
return sc;
}
}
// nUneaten is the number of chars left to parse
UINT nUneaten = lstrlen(lpszDisplayName) - lenFileName;
// lpszRemainder is the left over display name
LPTSTR lpszRemainder = lpszDisplayName + lenFileName;
*pchEaten = lenFileName;
// parse the rest of the display name
while (nUneaten > 0)
{
// attempt to parse next moniker
ULONG nEaten = 0;
LPMONIKER lpmkNext = NULL;
sc = _AfxParseDisplayName(lpmk, lpbc, lpszRemainder, &nEaten, &lpmkNext);
if (sc != S_OK)
{
lpmk->Release();
lpbc->Release();
return sc;
}
// advance through the display name
nUneaten -= nEaten;
*pchEaten += nEaten;
lpszRemainder += nEaten;
if (lpmkNext != NULL)
{
// create composite out of current and next
LPMONIKER lpmkTemp = NULL;
sc = CreateGenericComposite(lpmk, lpmkNext, &lpmkTemp);
if (FAILED(sc))
{
lpmk->Release();
lpmkNext->Release();
lpbc->Release();
return sc;
}
// make current = next
lpmkNext->Release();
lpmk->Release();
lpmk = lpmkTemp;
}
}
if (fValidateSource)
{
// attempt to bind the the object
sc = lpmk->BindToObject(lpbc, NULL, IID_IOleObject, (LPLP)&lpObject);
if (FAILED(sc))
{
pItem->m_bLinkUnavail = TRUE;
lpbc->Release();
lpmk->Release();
RELEASE(lpObject);
return sc;
}
ASSERT(lpObject != NULL);
// call GetUserClassID while bound so default handler updates
lpObject->GetUserClassID(&clsid);
pItem->m_bLinkUnavail = FALSE;
}
// get IOleLink interface
LPOLELINK lpOleLink = QUERYINTERFACE(pItem->m_lpObject, IOleLink);
ASSERT(lpOleLink != NULL);
// set source from moniker
sc = lpOleLink->SetSourceMoniker(lpmk, clsid);
// update the cache if object was successfully bound
if (lpObject != NULL)
{
lpObject->Update();
lpObject->Release();
}
// cleanup
lpOleLink->Release();
RELEASE(lpmk);
RELEASE(lpbc);
return sc;
}
void UIIMEdit::InsertImage(BSTR bstrFileName,SIZE size,BOOL isGif)
{
LPSTORAGE lpStorage = NULL;
LPOLEOBJECT lpObject = NULL;
LPLOCKBYTES lpLockBytes = NULL;
LPOLECLIENTSITE lpClientSite = NULL;
GifSmiley::IGifSmileyCtrl* lpAnimator = nullptr;
HRESULT hr = ::CoCreateInstance(GifSmiley::CLSID_CGifSmileyCtrl, NULL, CLSCTX_INPROC, GifSmiley::IID_IGifSmileyCtrl, (LPVOID*)&lpAnimator);
if (NULL == lpAnimator || FAILED(hr))
{
LOG__(ERR, _T("InsertImage CoCreateInstance failed"));
goto End;
}
COLORREF backColor = (COLORREF)(::GetSysColor(COLOR_WINDOW));
HWND hwnd = (HWND)((long)m_pManager->GetPaintWindow());
IRichEditOle *pRichEditOle = m_pRichEditOle;
if (NULL == pRichEditOle)
goto End;
BSTR path = NULL;
//Create lockbytes
hr = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
if (FAILED(hr))
{
LOG__(ERR, _T("InsertImage CreateILockBytesOnHGlobal failed"));
goto End;
}
//use lockbytes to create storage
SCODE sc = ::StgCreateDocfileOnILockBytes(lpLockBytes, STGM_SHARE_EXCLUSIVE | STGM_CREATE | STGM_READWRITE, 0, &lpStorage);
if (sc != S_OK)
{
LOG__(ERR, _T("InsertImage StgCreateDocfileOnILockBytes failed"));
goto End;
}
// retrieve OLE interface for richedit and Get site
pRichEditOle->GetClientSite(&lpClientSite);
try
{
//COM operation need BSTR, so get a BSTR
path = bstrFileName;
//Load the image
if (isGif)
lpAnimator->LoadFromFile(path);
else
{
UInt32 height = (size.cy < GetHeight()) ? size.cy : GetHeight();
UInt32 width = (size.cx < GetWidth() / 2) ? size.cx : GetWidth() / 2;
lpAnimator->LoadFromFileSized(path, width, height);
}
//Set back color
OLE_COLOR oleBackColor = (OLE_COLOR)backColor;
lpAnimator->put_BackColor(oleBackColor);
//get the IOleObject
hr = lpAnimator->QueryInterface(IID_IOleObject, (void**)&lpObject);
if (FAILED(hr))
{
LOG__(ERR, _T("InsertImage lpAnimator QueryInterface failed"));
goto End;
}
//Set it to be inserted
OleSetContainedObject(lpObject, TRUE);
//to insert into richedit, you need a struct of REOBJECT
REOBJECT reobject;
ZeroMemory(&reobject, sizeof(REOBJECT));
reobject.cbStruct = sizeof(REOBJECT);
CLSID clsid;
hr = lpObject->GetUserClassID(&clsid);
//set clsid
reobject.clsid = clsid;
//can be selected
reobject.cp = REO_CP_SELECTION;
//content, but not static
reobject.dvaspect = DVASPECT_CONTENT;
//goes in the same line of text line
reobject.dwFlags = REO_BELOWBASELINE;
//reobject.dwUser = (DWORD)myObject;
//the very object
reobject.poleobj = lpObject;
//client site contain the object
reobject.polesite = lpClientSite;
//the storage
reobject.pstg = lpStorage;
SIZEL sizel = { 0 };
reobject.sizel = sizel;
LPOLECLIENTSITE lpObjectClientSite = NULL;
hr = lpObject->GetClientSite(&lpObjectClientSite);
if (FAILED(hr) || lpObjectClientSite == NULL)
lpObject->SetClientSite(lpClientSite);
pRichEditOle->InsertObject(&reobject);
//redraw the window to show animation
::RedrawWindow(hwnd, NULL, NULL, RDW_INVALIDATE);
}
catch (...)
{
LOG__(ERR, _T("InsertImage unknown exeption"));
}
End:
if (lpClientSite)
{
lpClientSite->Release();
lpClientSite = nullptr;
}
if (lpObject)
{
lpObject->Release();
lpObject = nullptr;
}
if (lpLockBytes)
{
lpLockBytes->Release();
lpLockBytes = nullptr;
}
if (lpStorage)
{
lpStorage->Release();
lpStorage = nullptr;
}
if (lpAnimator)
{
lpAnimator->Release();
lpAnimator = nullptr;
}
}
void CExRichEditWindowless::InsertGif(LONG gif)
{
CComQIPtr<IDynamicOleCom> spDyn;
HRESULT hr = spDyn.CoCreateInstance(STR_PROGID);
if(SUCCEEDED(hr))
{
LPOLEOBJECT lpOleObject = NULL;
HRESULT hr = spDyn->QueryInterface(IID_IOleObject, (void**)&lpOleObject);
IUnknownPtr lpUnk = lpOleObject;
hr = lpUnk->QueryInterface(IID_IOleObject, (LPVOID*)&lpOleObject);
if (lpOleObject == NULL)
throw(E_OUTOFMEMORY);
//hr = lpOleObject->SetClientSite( static_cast<IOleClientSite *>( this ) );
IViewObject2Ptr lpViewObject;// IViewObject for IOleObject above
hr = lpOleObject->QueryInterface(IID_IViewObject2, (LPVOID*)&lpViewObject);
if (hr != S_OK)
{
AtlThrow(hr);
}
IRichEditOle* pRichEditOle = GetIRichEditOle();
////获取RichEdit的OLEClientSite
IOleClientSitePtr lpClientSite;
hr = pRichEditOle->GetClientSite(&lpClientSite);
if (hr != S_OK)
{
AtlThrow(hr);
}
REOBJECT reobject;
ZeroMemory(&reobject,sizeof(REOBJECT));
reobject.cbStruct = sizeof(REOBJECT);
CLSID clsid;
hr = lpOleObject->GetUserClassID(&clsid);
if (hr != S_OK)
{
AtlThrow(hr);
}
reobject.clsid = clsid;
reobject.cp = -1;
//reobject.cp = REO_CP_SELECTION;
reobject.dvaspect = DVASPECT_CONTENT;//DVASPECT_OPAQUE;
reobject.poleobj = lpOleObject;
reobject.polesite = lpClientSite;
//reobject.pstg = lpStorage;
SIZEL sizel;
sizel.cx = sizel.cy = 0; // let richedit determine initial size
Image* img = (Image*)gif;
SIZEL sizeInPix = {img->GetWidth(), img->GetHeight()};
SIZEL sizeInHiMetric;
AtlPixelToHiMetric(&sizeInPix, &sizeInHiMetric);
reobject.sizel = sizeInHiMetric;
reobject.dwFlags = REO_BELOWBASELINE|REO_STATIC;//REO_RESIZABLE
CExRichEditData* pdata = new CExRichEditData;
pdata->m_dataType = GIF;
pdata->m_data = (void*)gif;
reobject.dwUser = (DWORD)pdata;//TODO 用户数据
lpOleObject->SetClientSite(lpClientSite);
hr = pRichEditOle->InsertObject(&reobject);
lpOleObject->SetExtent(DVASPECT_CONTENT, &sizeInHiMetric);
OleSetContainedObject(lpOleObject, TRUE);
lpOleObject->Release();
spDyn->SetHostWindow((LONG)hwndParent);
spDyn->InsertGif(gif);
}
}