44 static void get_knob_area(lv_obj_t * arc, const lv_point_t * center, lv_coord_t r, lv_area_t * knob…
440         lv_coord_t r;  in lv_arc_event()  local
441         get_center(obj, &center, &r);  in lv_arc_event()
449             r -= indic_width;  in lv_arc_event()
453                 r -= indic_width;  in lv_arc_event()
457                 r -= LV_MAX(r / 4, indic_width);  in lv_arc_event()
459             if(r < 1) r = 1;  in lv_arc_event()
461             if(p.x * p.x + p.y * p.y > r * r) {  in lv_arc_event()
487 …const uint32_t circumference = (uint32_t)((2U * r * 314U) / 100U);  /* Equivalent to: 2r * 3.14, a…  in lv_arc_event()
599         lv_coord_t r;  in lv_arc_event()  local
600         get_center(obj, &p, &r);  in lv_arc_event()
606         r -= w + ext_click_area;  in lv_arc_event()
610         lv_area_set(&a, p.x - r, p.y - r, p.x + r, p.y + r);  in lv_arc_event()
743     lv_coord_t r;  in inv_arc_area()  local
745     get_center(obj, &c, &r);  in inv_arc_area()
751     lv_draw_arc_get_area(c.x, c.y, r, start_angle, end_angle, w, rounded, &inv_area);  in inv_arc_area()
759     lv_coord_t r;  in inv_knob_area()  local
760     get_center(obj, &c, &r);  in inv_knob_area()
763     get_knob_area(obj, &c, r, &a);  in inv_knob_area()
781     lv_coord_t r = (LV_MIN(lv_obj_get_width(obj) - left_bg - right_bg,  in get_center()  local
784     center->x = obj->coords.x1 + r + left_bg;  in get_center()
785     center->y = obj->coords.y1 + r + top_bg;  in get_center()
787     if(arc_r) *arc_r = r;  in get_center()
815 static void get_knob_area(lv_obj_t * obj, const lv_point_t * center, lv_coord_t r, lv_area_t * knob…  in get_knob_area()  argument
819     r -= indic_width_half;  in get_knob_area()
822     lv_coord_t knob_x = (r * lv_trigo_sin(angle + 90)) >> LV_TRIGO_SHIFT;  in get_knob_area()
823     lv_coord_t knob_y = (r * lv_trigo_sin(angle)) >> LV_TRIGO_SHIFT;  in get_knob_area()