#ifndef __HGSANE_H__
#define __HGSANE_H__

#include "../base/HGDef.h"
#include "../base/HGBaseErr.h"
#include "HGSaneErr.h"
#include "../base/HGImage.h"

HG_DECLARE_HANDLE(HGSaneManager);
HG_DECLARE_HANDLE(HGSaneDevice);

#define HGSANE_DEVEVENT_UNKNOWN		0L
#define HGSANE_DEVEVENT_IMGREADY	1L
#define HGSANE_DEVEVENT_ERROR		2L

/* Sane设备事件回调
*/
typedef void (HGAPI* HGSane_DeviceEventCallback)(HGSaneDevice dev, HGUInt event, HGPointer param);

HGEXPORT HGResult HGAPI HGSane_CreateManager(const HGChar *sanePath, HGSaneManager* mgr);

HGEXPORT HGResult HGAPI HGSane_DestroyManager(HGSaneManager mgr);

HGEXPORT HGResult HGAPI HGSane_GetDeviceCount(HGSaneManager mgr, HGUInt *count);

HGEXPORT HGResult HGAPI HGSane_GetDeviceName(HGSaneManager mgr, HGUInt index, HGChar *name, HGUInt maxLen);

HGEXPORT HGResult HGAPI HGSane_OpenDevice(HGSaneManager mgr, HGUInt index, HGSaneDevice *dev);

HGEXPORT HGResult HGAPI HGSane_CloseDevice(HGSaneDevice dev);

HGEXPORT HGResult HGAPI HGSane_StartDevice(HGSaneDevice dev, HGSane_DeviceEventCallback func, HGPointer param);

HGEXPORT HGResult HGAPI HGSane_StopDevice(HGSaneDevice dev);

HGEXPORT HGResult HGAPI HGSane_GetImage(HGSaneDevice dev, HGUInt type, HGUInt origin, HGImage* image);

#endif /* __HGSANE_H__ */