JuniorHighClient/SmartEvaluationLogic/SeparateThreadTwainFeeder.h

#pragma once
#include <boost/smart_ptr.hpp>
#include "scan_common.h"
#include "twain\TwainApp.h"
#include "basic_struct.h"
#include "feeder.h"
/************************************************************************/
/* 单独线程TWAIN扫描仪图像送入器                                        */
/* 2014年12月9日16:04:06                                                */
/* 作者:唐林                                                            */
/************************************************************************/
class CSeparateThreadTwainFeeder:public IFeeder,private TwainApp
{
public:
	static boost::shared_ptr<CSeparateThreadTwainFeeder>Get();
public:
	CSeparateThreadTwainFeeder(void);
	~CSeparateThreadTwainFeeder(void);
	void SetScannerIndex( const int scanner_index );

	//获取扫描仪信息列表
	int GetScannerList(vector<SCANNER_INFO> & scannerList);
	//获取默认扫描仪信息
	int GetDefaultScannerInfo(SCANNER_INFO &scannerInfo);
	//显示指定扫描仪设置
	int ShowScannerSetting( const unsigned int nId );
	//连接扫描仪
	int ConnectScanner( const int nIndex );
	//断开扫描仪连接
	int DisconnectScanner();
	//设置事件处理句柄
	int SetHandlerWnd(HWND hwnd){m_hWnd = hwnd;return TRUE;}
protected:
	int WaitCommand();

	virtual ServiceState OnStarting( void );

	virtual ServiceState OnRunning( void );


	virtual ServiceState OnStoping( void );

	void StartScan();

	void navtive_graber( PBITMAPINFOHEADER pDIB );

	virtual int Stop( void );

	virtual BOOL HasStopCommand();

	virtual bool GetNext( BOOL wait,IplImage* & img, feeder_param& param );

	TW_INT32 m_dataSourceId;
	IplImage* m_img;
	RTL_CRITICAL_SECTION m_lock;
private: 
	//扫描仪送入器执行任务类型STTF(SeparateThreadTwainFeeder)_TASK_TYPE
	enum STTF_TASK_TYPE{
		//默认(STTF_TASK_TYPE_SCAN)
		STTF_TASK_TYPE_DEFAULT=0,
		//扫描
		STTF_TASK_TYPE_SCAN=0,
		//连接扫描仪
		STTF_TASK_TYPE_CONNECT=1,
		//扫描设置
		STTF_TASK_TYPE_SETTING=2,
		//断开扫描仪连接
		STTF_TASK_TYPE_DISCONNECT=3,
	} m_current_task_type;
	//任务状态
	enum STTF_TASK_EXCUTE_STATE{
		//任务未开始
		STTF_TASK_EXCUTE_STATE_NOTSTART,
		//任务执行中
		STTF_TASK_EXCUTE_STATE_EXCUTING,
		//任务停止中
		STTF_TASK_EXCUTE_STATE_STOPING,
		//任务已停止
		STTF_TASK_EXCUTE_STATE_STOPED,
	} m_connect_task_excute_state;
	int m_scanner_index;
#define  MAX_CONNET_TASK_COUNT 2
	//当前正在连接的扫描仪id的索引
	int m_current_connect_task_first;
	//当前等待连接的扫描仪数量
	int m_current_connect_task_count;
	//当前等待连接的扫描仪列表
	int m_current_connect_task[MAX_CONNET_TASK_COUNT];
	HWND m_hWnd;
};