XnVClickableVirtualPlane.h

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


#ifndef _XNV_CLICKABLE_VIRTUAL_PLANE_H_
#define _XNV_CLICKABLE_VIRTUAL_PLANE_H_

#include "XnVVirtualCoordinates.h"

class XnVClickableVirtualPlane;
class XnVIntPointHash;
class XnVIntIDHash;
class XnVUintPointSpecificEvent;

struct XnVClickableID
{
    XnVClickableID(const XnVHandPointContext* cxt, XnVClickableVirtualPlane* pPlane) :
pCxt(cxt), pCVP(pPlane)
{}

    const XnVHandPointContext* pCxt;
    XnVClickableVirtualPlane* pCVP;
};

class XNV_NITE_API XnVClickableVirtualPlane :
    public XnVVirtualCoordinates
{
public:
    typedef void (XN_CALLBACK_TYPE* ClickCB)(XnUInt32 nID, const XnPoint3D& ptPosition, void* cxt);

    XnVClickableVirtualPlane(const XnChar* strINI, const XnChar* strName = "XnVClickableVirtualPlane");
    ~XnVClickableVirtualPlane();

    XnCallbackHandle RegisterClick(void* cxt, ClickCB CB);
    void UnregisterClick(XnCallbackHandle hCB);

    void Click(XnUInt32, const XnPoint3D& ptPosition);

    void OnPointCreate(const XnVHandPointContext* pContext);
    void OnPointDestroy(XnUInt32 nID);

    void FreezeCoordinates(XnUInt32 nID, const XnPoint3D& ptPosition);
    void UnfreezeCoordinates(XnUInt32 nID);
    XnBool IsFrozen(XnUInt32 nID) const;
protected:
    void UpdateVirtualPoint(XnVVirtualCoordinatesInternal* pVC, const XnVHandPointContext* pContext, XnVHandPointContext* pLocalContext);

    XnVIntPointHash* m_pFrozenPoints;
    XnVIntIDHash* m_pIDContexts;

    XnVUintPointSpecificEvent* m_pClickCBs;
};

#endif // _XNV_CLICKABLE_VIRTUAL_PLANE_H_