42 static void get_center(const lv_obj_t * obj, lv_point_t * center, lv_coord_t * arc_r);
339     lv_coord_t arc_r;  in lv_arc_align_obj_to_angle()  local
340     get_center(obj, &center, &arc_r);  in lv_arc_align_obj_to_angle()
343     arc_r -= indic_width_half;  in lv_arc_align_obj_to_angle()
344     arc_r += r_offset;  in lv_arc_align_obj_to_angle()
347     lv_coord_t knob_x = (arc_r * lv_trigo_sin(angle + 90)) >> LV_TRIGO_SHIFT;  in lv_arc_align_obj_to_angle()
348     lv_coord_t knob_y = (arc_r * lv_trigo_sin(angle)) >> LV_TRIGO_SHIFT;  in lv_arc_align_obj_to_angle()
360     lv_coord_t arc_r;  in lv_arc_rotate_obj_to_angle()  local
361     get_center(obj, &center, &arc_r);  in lv_arc_rotate_obj_to_angle()
364     arc_r -= indic_width_half;  in lv_arc_rotate_obj_to_angle()
366     arc_r += r_offset;  in lv_arc_rotate_obj_to_angle()
367     lv_obj_align_to(obj_to_rotate, obj, LV_ALIGN_CENTER, 0, -arc_r);  in lv_arc_rotate_obj_to_angle()
652     lv_coord_t arc_r;  in lv_arc_draw()  local
653     get_center(obj, &center, &arc_r);  in lv_arc_draw()
660     if(arc_r > 0) {  in lv_arc_draw()
668         part_draw_dsc.radius = arc_r;  in lv_arc_draw()
683     lv_coord_t indic_r = arc_r - LV_MAX4(left_indic, right_indic, top_indic, bottom_indic);  in lv_arc_draw()
705     get_knob_area(obj, &center, arc_r, &knob_area);  in lv_arc_draw()
774 static void get_center(const lv_obj_t * obj, lv_point_t * center, lv_coord_t * arc_r)  in get_center()  argument
787     if(arc_r) *arc_r = r;  in get_center()