code_app/modules/sane_user/HGSane.h

#ifndef __HGSANE_H__
#define __HGSANE_H__

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

HG_DECLARE_HANDLE(HGSaneManager);
HG_DECLARE_HANDLE(HGSaneDevice);

/* Sane设备回调
*/
typedef void (HGAPI* HGSane_DeviceEventFunc)(HGSaneDevice dev, HGUInt error, const HGChar *errInfo, HGPointer param);
typedef void (HGAPI* HGSane_DeviceImageFunc)(HGSaneDevice dev, HGImage image, 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, HGChar *errInfo, HGUInt errInfoLen);

HGEXPORT HGResult HGAPI HGSane_CloseDevice(HGSaneDevice dev);

HGEXPORT HGResult HGAPI HGSane_GetDeviceHandle(HGSaneDevice dev, SANE_Handle *handle);

HGEXPORT HGResult HGAPI HGSane_StartDevice(HGSaneDevice dev, HGSane_DeviceEventFunc eventFunc, HGPointer eventParam,
	HGSane_DeviceImageFunc imageFunc, HGPointer imageParam, HGChar* errInfo, HGUInt errInfoLen);

HGEXPORT HGResult HGAPI HGSane_StopDevice(HGSaneDevice dev);

#endif /* __HGSANE_H__ */