ScObjectTracker.h

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#ifndef SC_OBJECT_TRACKER_H_
#define SC_OBJECT_TRACKER_H_

#include <Scandit/ScConfig.h>

#include <Scandit/ScRecognitionContext.h>
#include <Scandit/ScTrackedObject.h>

#if defined(__cplusplus)
extern "C" {
#endif

typedef struct ScOpaqueObjectTracker ScObjectTracker;

typedef void (*ScObjectTrackerEventFunc)(ScTrackedObject const *object, void *user_data);
typedef void (*ScObjectTrackerEventFuncLost)(ScTrackedObjectType type,
                                             uint32_t tracking_id,
                                             void *user_data);
typedef void (*ScObjectTrackerEventFuncPredicted)(uint32_t tracking_id,
                                                  ScQuadrilateral quadrilateral,
                                                  float dt,
                                                  void *user_data);

typedef struct {
    ScObjectTrackerEventFunc on_object_appeared;
    ScObjectTrackerEventFunc on_object_updated;
    ScObjectTrackerEventFuncLost on_object_lost;
    ScObjectTrackerEventFuncPredicted on_object_predicted;
} ScObjectTrackerCallbacks;

SC_EXPORT
ScObjectTracker *sc_object_tracker_new(ScRecognitionContext *context,
                                       ScObjectTrackerCallbacks *callbacks,
                                       void *callback_user_data);
SC_EXPORT
void sc_object_tracker_retain(ScObjectTracker *tracker);

SC_EXPORT
void sc_object_tracker_release(ScObjectTracker *tracker);

SC_EXPORT
ScBool sc_object_tracker_is_enabled(ScObjectTracker const *tracker);

SC_EXPORT
void sc_object_tracker_set_enabled(ScObjectTracker *tracker, ScBool option);

#if defined(__cplusplus)
}
#endif

#endif // SC_OBJECT_TRACKER_H_