fixation_detector.py 文件源码

def update(self,frame,events):
        self.last_frame_ts = frame.timestamp
        from player_methods import transparent_circle
        events['fixations'] = self.g_pool.fixations_by_frame[frame.index]
        if self.show_fixations:
            for f in self.g_pool.fixations_by_frame[frame.index]:
                eye_id = f['eye_id']
                x = int(f['norm_pos'][0]*self.img_size[0])
                y = int((1-f['norm_pos'][1])*self.img_size[1])
                transparent_circle(frame.img, (x,y), radius=f['pix_dispersion']/2, color=(.5, .2, .6, .7), thickness=-1)
                cv2.putText(
                    frame.img,
                    '{:d} - eye {:d}'.format(f['id'], eye_id),
                    (x+20,y-5+30*eye_id),
                    cv2.FONT_HERSHEY_DUPLEX,
                    0.8,(255,150,100))
                # cv2.putText(frame.img,'%i - %i'%(f['start_frame_index'],f['end_frame_index']),(x,y), cv2.FONT_HERSHEY_DUPLEX,0.8,(255,150,100))