Enum piet_common::kurbo::PathSeg

pub enum PathSeg {
    Line(Line),
    Quad(QuadBez),
    Cubic(CubicBez),
}

A segment of a Bézier path.

Variants

Line(Line)Quad(QuadBez)Cubic(CubicBez)

Methods

impl PathSeg

pub fn reverse(&self) -> PathSeg

Returns a new PathSeg describing the same path as self, but with the points reversed.

pub fn to_cubic(&self) -> CubicBez

Convert this segment to a cubic bezier.

Trait Implementations

impl ParamCurveExtrema for PathSeg

fn extrema(&self) -> ArrayVec<[f64; 4]>

Compute the extrema of the curve.

fn extrema_ranges(&self) -> ArrayVec<[Range<f64>; 5]>

Return parameter ranges, each of which is monotonic within the range.

fn bounding_box(&self) -> Rect

The smallest rectangle that encloses the curve in the range (0..1).

impl ParamCurve for PathSeg

fn eval(&self, t: f64) -> Point

Evaluate the curve at parameter t.

fn subsegment(&self, range: Range<f64>) -> PathSeg

Get a subsegment of the curve for the given parameter range.

fn subdivide(&self) -> (Self, Self)

Subdivide into (roughly) halves.

fn start(&self) -> Point

The start point.

fn end(&self) -> Point

The end point.

impl Copy for PathSeg

impl ParamCurveArea for PathSeg

fn signed_area(&self) -> f64

Compute the signed area under the curve.

impl Debug for PathSeg

fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

Formats the value using the given formatter.

impl ParamCurveArclen for PathSeg

fn arclen(&self, accuracy: f64) -> f64

The arc length of the curve.

fn inv_arclen(&self, arclen: f64, accuracy: f64) -> f64

Solve for the parameter that has the given arclength from the start.

impl Clone for PathSeg

fn clone(&self) -> PathSeg

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl ParamCurveNearest for PathSeg

fn nearest(&self, p: Point, accuracy: f64) -> (f64, f64)

Find the point on the curve nearest the given point.