code_app/modules/sane_user/HGSaneImpl.hpp

#ifndef __HGSANEIMPL_HPP__
#define __HGSANEIMPL_HPP__

#include "HGSane.h"
#include "../base/HGInc.h"
#include "../base/HGDll.h"
#include "../base/HGThread.h"
#include "../base/HGLock.h"
#include "sane/sane_ex.h"
#include "sane/sane_option_definitions.h"
#include "saneui/HGSaneUI.h"
#include <list>
#include <vector>
#include <string>

class HGSaneManagerImpl
{
    friend class HGSaneSourceImpl;
public:
    HGSaneManagerImpl();
    ~HGSaneManagerImpl();

    HGResult Create();
    HGResult Destroy();
    HGResult GetSourceCount(HGUInt *count);
    HGResult GetSourceName(HGUInt index, HGChar* name, HGUInt maxLen);
    HGResult OpenSource(HGUInt index, class HGSaneSourceImpl **sourceImpl);
    HGResult OpenSelectedSource(HGWindow parent, class HGSaneSourceImpl **sourceImpl);

private:
    void RemoveSource(class HGSaneSourceImpl* sourceImpl);

private:
    std::vector<std::pair<std::string, std::string>> m_vSource;
    std::list<class HGSaneSourceImpl *> m_listSourceImpl;
};

class HGSaneSourceImpl
{
    friend class HGSaneDeviceImpl;
public:
    HGSaneSourceImpl(HGSaneManagerImpl *managerImpl);
    ~HGSaneSourceImpl();

    HGResult Init(const HGChar* saneManu, HGDll dll, const SANEAPI *saneAPI);
    HGResult Open(const HGChar* saneManu, const HGChar* sanePath);
    HGResult Close();
    HGResult GetName(HGChar* name, HGUInt maxLen);
	HGResult GetDeviceCount(HGUInt *count);
	HGResult GetDeviceName(HGUInt index, HGChar* name, HGUInt maxLen);
	HGResult OpenDevice(HGUInt index, class HGSaneDeviceImpl **deviceImpl, HGChar* errInfo, HGUInt errInfoLen);
	HGResult OpenSelectedDevice(HGWindow parent, class HGSaneDeviceImpl** deviceImpl);

private:
    static HGResult FindFunctions(HGDll dll, const HGChar* saneManu, SANEAPI *saneAPI);
	void RemoveDevice(class HGSaneDeviceImpl* deviceImpl);

private:
    HGSaneManagerImpl *m_managerImpl;
    std::string m_manuName;
	HGDll m_dll;
	SANEAPI m_saneApi;
	std::list<class HGSaneDeviceImpl*> m_listDeviceImpl;
};

class HGSaneDeviceImpl
{
public:
    HGSaneDeviceImpl(HGSaneSourceImpl* sourceImpl);
	~HGSaneDeviceImpl();

	HGResult Init(const HGChar* devName, SANE_Handle handle);
	HGResult Open(const HGChar *devName, HGChar* errInfo, HGUInt errInfoLen);
	HGResult Close();
	HGResult GetName(HGChar* name, HGUInt maxLen);
    HGResult GetCustomInfo(HGSaneDeviceCustomInfo *info);
	HGResult ShowSettingDlg(HGWindow parent);
    HGResult Login(const HGChar *user, const HGChar *pwd);
    HGResult Logout();
    HGResult ClearRollerCount();
    HGResult GetDriverLog(const HGChar *fileName);
    HGResult ClearDriverLog();
    HGResult GetDeviceLog(const HGChar *fileName);
    HGResult ClearDeviceLog();
    HGResult Start(HGWindow parent, HGSane_DeviceEventFunc eventFunc, HGPointer eventParam,
                   HGSane_DeviceImageFunc imageFunc, HGPointer imageParam);
    HGResult StartWithSingleScan(HGWindow parent, HGSane_DeviceEventFunc eventFunc, HGPointer eventParam,
                                 HGSane_DeviceImageFunc imageFunc, HGPointer imageParam);

private:
    HGResult SetValueInt32(HGUInt optionId, HGInt value);
    HGResult GetValueInt32(HGUInt optionId, HGInt *value);
    HGResult SetValueStr256(HGUInt optionId, const HGChar *value);
    HGResult GetValueStr256(HGUInt optionId, HGChar *value, HGUInt maxLen);
    static void show_scan_ui_event_func(HGUInt event, HGPointer param);
    static void show_scan_ui_image_func(HGImage image, HGPointer param);

private:
    HGSaneSourceImpl* m_sourceImpl;
	std::string m_devName;
	SANE_Handle m_devHandle;
	HGByte* m_buffer;
	HGInt m_bufferSize;
    HGInt m_dpi;
	HGSane_DeviceEventFunc m_eventFunc;
	HGPointer m_eventParam;
	HGSane_DeviceImageFunc m_imageFunc;
	HGPointer m_imageParam;
};

#endif /* __HGSANEIMPL_HPP__ */