#pragma once

#include "StdAfx.h"
#include "sapclassbasic.h"
#include "Global_Define.h"
#include "GrabberControl.h"

#define ACQ_NO_IMAGE -10000

#define		UM_IMAGE_GRAB		(WM_USER + 1000)

class CFrameBufferController;
class CSapLineGrab : public CGrabberControl
{
public:
	CSapLineGrab(void);
	virtual ~CSapLineGrab(void);

public:
	virtual BOOL	Initialize(void *pParam, int *pErrorCode,int iBoard=0);	// Grabber 檬扁拳
	virtual BOOL	InitializeBuffer(void *pParam);	
	virtual BOOL	Deinitialize();
	virtual BOOL	GrabScanStart(int iScan, BOOL bFreeRun, int nPeriod, int nExposure=10, BOOL bAuto=TRUE);
	virtual BOOL	GrabLiveStart(int nExposure=15);
	virtual BOOL	GrabScanStop();
	virtual BOOL	IsGrabbing();
	virtual int		IsAcqFrame(int nFrameNo, int nThreadIdx = -1);	// Return 0 - 酒流 救嘛澜, Return -1 - 瘤况, Return 1 -  沥惑
	virtual LPBYTE	GetFrameHeader(int iScan,int nFrameNo, BOOL* bSuccess = NULL);
	virtual LPBYTE	GetFrameHeaderLine(int iScan,int nLine, BOOL* bSuccess = NULL);
	virtual BOOL	GetSmallImage(int iScan,LPBYTE lpIn, int nXStart, int nYStart, int nXSize, int nYSize, BOOL bMustMapping = TRUE);	
	virtual int		GetStartFrameIdx()		{ return m_nStartFrameIdx; }
	virtual int		GetEndFrameIdx()		{ return m_nEndFrameIdx; }
	virtual void	SetSimulFrame(int nFrame){;}
	virtual int		GetGrabFrameCount();
	virtual void	ClearGrabIdx();
	virtual stFrameIndex	GetGrabFrame();
	virtual stFrameIndex	GetGrabFrameNoRemove();
	virtual CFrameBufferController	*GetFrameBuffer() { return m_pFrameBuffer; }
	virtual BOOL	SetTriggerMode( BOOL bExTrigger ) { return TRUE; }
	virtual BOOL	DumpBufferAsOneImage(int iScan, LPCTSTR pszPath) { return TRUE; }

	BOOL			CreateGrabBuffer(int nScanCount,int nBufSize, int nBufSizeX, int nBufSizeY);
	void			SimulationGrab(int iScan);
	BOOL			SetInsertFrame(int iScan,int iFrame);
	BOOL			IsHasGrabFrame();
	BOOL			FindGrabIdx(int iScan,int iFrame);

	// Main Function.		
	BOOL	CreateAcq(char *file);
	BOOL	CreateObjects();
	BOOL	ActivateObjects();	// Each sap object calls it'w own create() function.
	void	DestroyObjects();
	void	DeleteObjects();
		
	// Acquisition Related.		
	void	WiatXfer(int tMS);	
	BOOL	SetScanDirection(unsigned int nDirection);
	void	My_XferCallback(SapXferCallbackInfo *pInfo);
	
	// Buffer Handing.
	BOOL	CreateBuffer(UINT32 uiType);
	BOOL	ClearBuffer();	

	LPBYTE	GetGrabFrameHeader(int nFrameNo, BOOL* bSuccess = NULL);
	BOOL	SetFrameImage(int nFrameNo, int nStartX, int nStartY, int nWidth, int nHeight, LPBYTE lpBuffer);	

	CORSTATUS DisplayStatus( char *functionName, CORSTATUS status);

public:
	CFrameBufferController	*m_pFrameBuffer;

protected:
	SapAcquisition	*m_pSapAcq;
	SapBuffer		*m_pSapBuffers;
	SapTransfer		*m_pXfer;
	SapView			*View;
	int				m_nGrabFrameNo;		// 矫累急苞 八荤且 橇饭烙 荐俊辑 拌魂等 角力 嘛绰 橇饭烙 荐.
	_GRABBER_INIT_PARAM_	m_Param;
	int				m_nBoardID;
	int				m_nAllocatedGrabBufSize;
	int				m_cxferCall;		// Xfercallback捞 龋免等 墨款飘.
	int				m_nScanIndex;
	dqGrabIdx			m_dqCallbackFrame;
	CCriticalSection	m_csIdxLock;
	BOOL			m_bGrabLive;
	// Buffer Accessing.
	int		m_nStartFrameIdx, m_nEndFrameIdx;
	int		m_nSetBufferIdx;
	BOOL	m_bXferCall;
	BOOL	m_bSnapStart;
};