1 files changed, 79 insertions, 0 deletions
diff --git a/tests/kinectsurface/QtKinectWrapper/OpenNI/Include/XnCyclicQueueT.h b/tests/kinectsurface/QtKinectWrapper/OpenNI/Include/XnCyclicQueueT.h
new file mode 100644
index 00000000..6e323d3f
--- /dev/null
+++ b/tests/kinectsurface/QtKinectWrapper/OpenNI/Include/XnCyclicQueueT.h
@@ -0,0 +1,79 @@
+#ifndef _XN_CYCLIC_QUEUE_T_H_
+#define _XN_CYCLIC_QUEUE_T_H_ 
+
+//---------------------------------------------------------------------------
+// Includes
+//---------------------------------------------------------------------------
+#include "XnQueueT.h"
+
+//---------------------------------------------------------------------------
+// Code
+//---------------------------------------------------------------------------
+
+template<class T, XnUInt32 TDefaultMaxDepth, class TAlloc = XnLinkedNodeDefaultAllocatorT<T> >
+class XnCyclicQueueT : protected XnQueueT<T, TAlloc>
+{
+public:
+	typedef XnQueueT<T, TAlloc> Base;
+
+	XnCyclicQueueT(XnUInt32 nMaxDepth = TDefaultMaxDepth) : Base(), m_nMaxDepth(nMaxDepth) {}
+
+	XnCyclicQueueT(const XnCyclicQueueT& other) : Base(other) 
+	{
+		*this = other;
+	}
+
+	XnCyclicQueueT& operator=(const XnCyclicQueueT& other)
+	{
+		Base::operator=(other);
+		m_nMaxDepth = other.m_nMaxDepth;
+		return *this;
+	}
+
+	~XnCyclicQueueT() {}
+
+	using Base::ConstIterator;
+	using Base::IsEmpty;
+	using Base::Size;
+
+	XnStatus SetMaxSize(XnUInt32 nMaxSize)
+	{
+		XnStatus nRetVal = XN_STATUS_OK;
+		
+		while (Size() > nMaxSize)
+		{
+			nRetVal = Remove(this->Begin());
+			XN_IS_STATUS_OK(nRetVal);
+		}
+
+		m_nMaxDepth = nMaxSize;
+
+		return (XN_STATUS_OK);
+	}
+
+	XnStatus Push(T const& value) 
+	{ 
+		XnStatus nRetVal = XN_STATUS_OK;
+		if (Size() == m_nMaxDepth)
+		{
+			nRetVal = Remove(this->Begin());
+			XN_IS_STATUS_OK(nRetVal);
+		}
+
+		nRetVal = Base::Push(value); 
+		XN_IS_STATUS_OK(nRetVal);
+
+		return (XN_STATUS_OK);
+	}
+
+	using Base::Pop;
+	using Base::Top;
+	using Base::Begin;
+	using Base::End;
+
+protected:
+	XnUInt32 m_nMaxDepth;
+};
+
+
+#endif // _XN_CYCLIC_QUEUE_T_H_
+\ No newline at end of file