HRESULT
ClearElementFromAllLocations(
IN IAppHostAdminManager * pAdminMgr,
IN CONST WCHAR * szConfigPath,
IN CONST WCHAR * szElementName
)
{
HRESULT hr;
CComPtr<IAppHostConfigLocationCollection> pLocationCollection;
CComPtr<IAppHostConfigLocation> pLocation;
CComPtr<IAppHostChildElementCollection> pChildCollection;
ENUM_INDEX index;
//
// Enum the <location> tags, remove the specified elements.
//
hr = GetLocationCollection(
pAdminMgr,
szConfigPath,
&pLocationCollection
);
if (FAILED(hr))
{
DBGERROR_HR(hr);
goto exit;
}
for (hr = FindFirstLocation(pLocationCollection, &index, &pLocation) ;
SUCCEEDED(hr) ;
hr = FindNextLocation(pLocationCollection, &index, &pLocation))
{
if (hr == S_FALSE)
{
hr = S_OK;
break;
}
hr = ClearLocationElements(pLocation, szElementName);
if (FAILED(hr))
{
DBGERROR_HR(hr);
goto exit;
}
pLocation.Release();
}
exit:
return hr;
}
void CObjectTracker::ObjeckTrackerHandlerByUser(UBYTE8 *frame)
{
m_cActiveObject = 0;
if (m_sTrackingObjectTable[m_cActiveObject].Status)
{
if (!m_sTrackingObjectTable[m_cActiveObject].assignedAnObject)
{
FindHistogram(frame,m_sTrackingObjectTable[m_cActiveObject].initHistogram);
m_sTrackingObjectTable[m_cActiveObject].assignedAnObject = true;
}
else
{
FindNextLocation(frame);
DrawObjectBox(frame);
}
}
}
//进行一次跟踪
void CObjectTracker::ObjeckTrackerHandlerByUser(IplImage *frame)
{
m_cActiveObject = 0;
if (m_sTrackingObjectTable[m_cActiveObject].Status)
{
if (!m_sTrackingObjectTable[m_cActiveObject].assignedAnObject)
{
//计算目标的初始直方图
FindHistogram(frame,m_sTrackingObjectTable[m_cActiveObject].initHistogram);
m_sTrackingObjectTable[m_cActiveObject].assignedAnObject = true;
}
else
{
//在图像上搜索目标
FindNextLocation(frame);
DrawObjectBox(frame);
}
}
}
HRESULT
FindFirstLocation(
IN IAppHostConfigLocationCollection * pCollection,
OUT ENUM_INDEX * pIndex,
OUT IAppHostConfigLocation ** pLocation
)
{
HRESULT hr;
hr = pCollection->get_Count(&pIndex->Count);
if (FAILED(hr))
{
DBGERROR_HR(hr);
return hr;
}
VariantInit(&pIndex->Index);
pIndex->Index.vt = VT_UI4;
pIndex->Index.ulVal = 0;
return FindNextLocation(pCollection, pIndex, pLocation);
}
