lv_coord_t cont_y_center = cont_a.y1 + lv_area_get_height(&cont_a) / 2; lv_coord_t r = lv_obj_get_height(cont) * 7 / 10; uint32_t i; uint32_t child_cnt = lv_obj_get ...
lv_color_t bg_color = lv_palette_lighten(LV_PALETTE_LIGHT_BLUE, 5); lv_color_t fg_color = lv_palette_darken(LV_PALETTE_BLUE, 4); ...