eye_tracking_modes.c

#include <stdio.h>
#include "tobii_research_eyetracker.h"

void eye_tracking_modes_example(TobiiResearchEyeTracker* eyetracker) {
    char* initial_eye_tracking_mode;

    TobiiResearchStatus status = tobii_research_get_eye_tracking_mode(eyetracker, &initial_eye_tracking_mode);

    printf("The eye tracker's initial eye tracking mode is %s with status %i.\n", initial_eye_tracking_mode, status);
    {
        TobiiResearchEyeTrackingModes* all_eye_tracking_modes = NULL;
        size_t i = 0;

        status = tobii_research_get_all_eye_tracking_modes(eyetracker, &all_eye_tracking_modes);

        for (; i < all_eye_tracking_modes->mode_count; i++) {
            status = tobii_research_set_eye_tracking_mode(eyetracker, all_eye_tracking_modes->modes[i]);
            printf("Eye tracking mode set to %s with status %i.\n", all_eye_tracking_modes->modes[i], status);
        }

        status = tobii_research_set_eye_tracking_mode(eyetracker, initial_eye_tracking_mode);

        printf("Eye tracking mode reset to %s with status %i.\n", initial_eye_tracking_mode, status);

        tobii_research_free_string(initial_eye_tracking_mode);
        tobii_research_free_eye_tracking_modes(all_eye_tracking_modes);

    }
}