432     lv_indev_gesture_t * g = info;  in process_touch_event()  local
437     motion_idx = get_motion_idx(touch->id, g);  in process_touch_event()
441         if(g->finger_cnt == LV_GESTURE_MAX_POINTS) {  in process_touch_event()
447         motion = &g->motions[g->finger_cnt];  in process_touch_event()
455         g->finger_cnt++;  in process_touch_event()
460         if(motion_idx == g->finger_cnt - 1) {  in process_touch_event()
463             motion = get_motion(touch->id, g);  in process_touch_event()
471             len = (g->finger_cnt - 1) - motion_idx;  in process_touch_event()
472             lv_memmove(g->motions + motion_idx,  in process_touch_event()
473                        g->motions + motion_idx + 1,  in process_touch_event()
476             g->motions[g->finger_cnt - 1].finger = -1;  in process_touch_event()
478             LV_ASSERT(g->motions[motion_idx + 1].finger == -1);  in process_touch_event()
481         g->finger_cnt--;  in process_touch_event()
486         motion = get_motion(touch->id, g);  in process_touch_event()
506     lv_indev_gesture_t * g = gesture;  in gesture_update_center_point()  local
516     g->p_scale = g->scale;  in gesture_update_center_point()
517     g->p_delta_x = g->delta_x;  in gesture_update_center_point()
518     g->p_delta_y = g->delta_y;  in gesture_update_center_point()
519     g->p_rotation = g->rotation;  in gesture_update_center_point()
522         motion = &g->motions[i];  in gesture_update_center_point()
535     g->center.x = x / touch_cnt;  in gesture_update_center_point()
536     g->center.y = y / touch_cnt;  in gesture_update_center_point()
540         motion = &g->motions[i];  in gesture_update_center_point()
542             delta_x[i] = motion->point.x - g->center.x;  in gesture_update_center_point()
543             delta_y[i] = motion->point.y - g->center.y;  in gesture_update_center_point()
549         motion = &g->motions[i];  in gesture_update_center_point()
551             g->scale_factors_x[i] = delta_x[i] / scale_factor;  in gesture_update_center_point()
552             g->scale_factors_y[i] = delta_y[i] / scale_factor;  in gesture_update_center_point()
566     lv_indev_gesture_t * g = gesture;  in gesture_calculate_factors()  local
577         motion = &g->motions[i];  in gesture_calculate_factors()
594     g->delta_x = g->p_delta_x + (center_x - g->center.x);  in gesture_calculate_factors()
595     g->delta_y = g->p_delta_x + (center_y - g->center.y);  in gesture_calculate_factors()
599         motion = &g->motions[i];  in gesture_calculate_factors()
604             a += g->scale_factors_x[i] * d_x + g->scale_factors_y[i] * d_y;  in gesture_calculate_factors()
605             b += g->scale_factors_x[i] * d_y + g->scale_factors_y[i] * d_x;  in gesture_calculate_factors()
609     g->rotation = g->p_rotation + atan2f(b, a);  in gesture_calculate_factors()
610     g->scale = g->p_scale * sqrtf((a * a) + (b * b));  in gesture_calculate_factors()
612     g->center.x = (int32_t)center_x;  in gesture_calculate_factors()
613     g->center.y = (int32_t)center_y;  in gesture_calculate_factors()