pub trait AsRegion<T: Pixel> {
// Required methods
fn as_region(&self) -> PlaneRegion<'_, T>;
fn as_region_mut(&mut self) -> PlaneRegionMut<'_, T>;
fn region_mut(&mut self, area: Area) -> PlaneRegionMut<'_, T>;
fn region(&self, area: Area) -> PlaneRegion<'_, T>;
}