Constant SIZE_CONTENT 

pub const SIZE_CONTENT: i32 = 0x3FFF_FFFF;

LVGL v9 LV_SIZE_CONTENT — sets widget to size-to-content mode. Computed from: LV_COORD_SET_SPEC(LV_COORD_MAX) where LV_COORD_TYPE_SHIFT = 29, giving ((1<<29)-1) | (1<<29).