Function libeyelink_sys::image_mode_display

pub unsafe extern "C" fn image_mode_display() -> INT16

(USED BY do_tracker_setup(), YOU DO NOT NEED TO CALL normally * This handles display of the EyeLink camera images. While in imaging mode, it contiuously requests and displays the current camera image. It also displays the camera name and threshold setting. Keys on the subject PC keyboard are sent to the tracker, so the experimenter can use it during setup. It will exit when the tracker leaves imaging mode or disconnects.

@return \c 0 if OK, \c TERMINATE_KEY if pressed, \c -1 if disconnect. @remark This function not normally used externally. If you need camera setup use do_tracker_setup() or if you need drift correction use do_drift_correct()