Struct EmptyElement

pub struct EmptyElement<Coord, DB: DrawingBackend> { /* private fields */ }

An empty composable element, which is the start point of an ad-hoc composable element

Implementations

impl<Coord, DB: DrawingBackend> EmptyElement<Coord, DB>

pub fn at(coord: Coord) -> Self

Trait Implementations

impl<Coord, Other, DB: DrawingBackend> Add<Other> for EmptyElement<Coord, DB>

where Other: Drawable<DB>, for<'a> &'a Other: PointCollection<'a, BackendCoord>,

type Output = BoxedElement<Coord, DB, Other>

The resulting type after applying the + operator.

fn add(self, other: Other) -> Self::Output

Performs the + operation.

impl<Coord, DB: DrawingBackend> Drawable<DB> for EmptyElement<Coord, DB>

fn draw<I: Iterator<Item = BackendCoord>>( &self, _pos: I, _backend: &mut DB, _: (u32, u32), ) -> Result<(), DrawingErrorKind<DB::ErrorType>>

Actually draws the element. The key points is already translated into the image coordinate and can be used by DC directly

impl<'a, Coord, DB: DrawingBackend> PointCollection<'a, Coord> for &'a EmptyElement<Coord, DB>

type Point = &'a Coord

The item in point iterator

type IntoIter = Once<&'a Coord>

The point iterator

fn point_iter(self) -> Self::IntoIter

framework to do the coordinate mapping