#ifndef LPALGORITHM_H
#define LPALGORITHM_H

#include "lpbengine.h"

class IAlgo
{
public:
	IAlgo(){}
	virtual ~IAlgo(){}
	virtual bool RegisterFunc(IAlgorithmLib* pAlgoLib) { return true; };
	virtual bool Exec(IDetectorTask *lpTask, IDetectorAlgorithm* lpAlgorithm) = 0;
	virtual bool Init(IDetectorTask *lpTask, IDetectorAlgorithm* lpAlgorithm) = 0;
	virtual void SaveUserParamValue(IDetectorTask *lpTask, IDetectorAlgorithm* lpAlgorithm, QString& strParamName) {};
	virtual void LoadUserParamValue(IDetectorTask *lpTask, IDetectorAlgorithm* lpAlgorithm, QString& strParamName, QVariant& value) {};
	virtual bool HandleEvent(IDetectorTask *lpTask, IDetectorAlgorithm* lpAlgorithm, QString& strParaName, int event) { return true; };
};


#define REGISTER_FUNCTION_IMPLEMENT(NAME, FUNC) \
	if (NULL != pAlgoLib) { \
		if (!pAlgoLib->RegisterFunc(#NAME, FUNC)) \
			return false; \
					}

#define DEFINE_FUNCTION_PARAM_IMPLEMENT(FUNCNAME, PARAMNAME, TYPE, INITVAL, DIR) \
	if (NULL != pAlgoLib) { \
	    LP_ALGORITHM_PARAM_DESC desc; \
		desc.strName = PARAMNAME; \
		desc.type = TYPE; \
		desc.InitVal = INITVAL; \
		desc.dir = DIR; \
		if (!pAlgoLib->DefFuncParam(#FUNCNAME, desc)) \
			return false; \
	}

#ifdef ALGO_LIB
# define ALGO_EXPORT extern "C" __declspec(dllexport)
#else
# define ALGO_EXPORT extern "C" __declspec(dllimport)
#endif

typedef void(*FnLpAlgoNewInstance)(IAlgo** lppAlgo);

ALGO_EXPORT void LpAlgoNewInstance(IAlgo** lppAlgo);

ALGO_EXPORT bool LpAlgoDeleteInstance();


#endif // LPALGORITHM_H