XnVMultiProcessFlowClient.h

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/*******************************************************************************
*                                                                              *
*   PrimeSense NITE 1.3                                                        *
*   Copyright (C) 2010 PrimeSense Ltd.                                         *
*                                                                              *
*******************************************************************************/


#ifndef _XNV_MULTI_PROCESS_FLOW_CLIENT_H_
#define _XNV_MULTI_PROCESS_FLOW_CLIENT_H_

#include "XnVSessionGenerator.h"
#include "XnVMultipleHands.h"

struct XnVNiteMultiprocessData;
class XnVMultiprocessReadSynchronizer;
class IdToContextMapping;
class XnVIntContextHash;

class XNV_NITE_API XnVMultiProcessFlowClient :
    public XnVSessionGenerator
{
public:
    XnVMultiProcessFlowClient(const XnChar* sOutputSectionName, const XnChar* strName = "XnVMultiProcessFlowClient");
    ~XnVMultiProcessFlowClient();

    XnStatus Initialize();

    XnStatus ReadState();

    XnStatus LosePoint(XnUInt32 nID);
    XnStatus LosePoints();

    XnStatus EndSession();
    XnStatus ForceSession(const XnPoint3D& ptFocus);
    XnStatus TrackPoint(const XnPoint3D& pt);
protected:
    XnVHandPointContext* GetLocalContext(XnUInt32 nID);

    void SendEventsForStateDiff(const XnVNiteMultiprocessData& NewState);

    XnVMultiprocessReadSynchronizer* m_pReadingLock;
    XnVNiteMultiprocessData* m_pLastReadState;
    XnVHandPointContext* m_pInputHandContext;
    XnPoint3D m_ptInputHandPoint;
    XnVIntContextHash* m_pExistingPointContexts;

    XnVMultipleHands m_Hands;
}; // XnVMultiProcessFlowClient

#endif // _XNV_MULTI_PROCESS_FLOW_CLIENT_H_