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#ifndef FTNOIR_TRACKER_BASE_H
#define FTNOIR_TRACKER_BASE_H
#include "ftnoir_tracker_base_global.h"
//
// x,y,z position in centimetres, yaw, pitch and roll in degrees...
//
#pragma pack(push, 2)
struct THeadPoseData {
double x, y, z, yaw, pitch, roll;
};
#pragma pack(pop)
// COM-Like abstract interface.
// This interface doesn't require __declspec(dllexport/dllimport) specifier.
// Method calls are dispatched via virtual table.
// Any C++ compiler can use it.
// Instances are obtained via factory function.
struct ITracker
{
virtual void Release() = 0;
virtual void Initialize() = 0;
virtual void StartTracker() = 0;
virtual void GiveHeadPoseData(THeadPoseData *data) = 0;
};
// Handle type. In C++ language the iterface type is used.
typedef ITracker* TRACKERHANDLE;
////////////////////////////////////////////////////////////////////////////////
//
#ifdef __cplusplus
# define EXTERN_C extern "C"
#else
# define EXTERN_C
#endif // __cplusplus
// Factory function that creates instances of the Tracker object.
EXTERN_C
FTNOIR_TRACKER_BASE_EXPORT
TRACKERHANDLE
__stdcall
GetTracker(
void);
#endif // FTNOIR_TRACKER_BASE_H
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