Struct ArcGeometry 

pub struct ArcGeometry {
    pub center: Point2D,
    pub radius: f64,
    pub start_angle: f64,
    pub end_angle: f64,
}

Arc geometry for pie charts.

Fields

center: Point2D

Center point

radius: f64

Radius

start_angle: f64

Start angle (radians)

end_angle: f64

End angle (radians)

Implementations

impl ArcGeometry

pub const fn new( center: Point2D, radius: f64, start_angle: f64, end_angle: f64, ) -> ArcGeometry

Create a new arc.

pub fn circle(center: Point2D, radius: f64) -> ArcGeometry

Create a full circle.

pub fn sweep(&self) -> f64

Get the sweep angle.

pub fn point_at_angle(&self, angle: f64) -> Point2D

Point on arc at given angle.

pub fn start_point(&self) -> Point2D

Start point of arc.

pub fn end_point(&self) -> Point2D

End point of arc.

pub fn mid_point(&self) -> Point2D

Midpoint of arc.

pub fn arc_length(&self) -> f64

Arc length.

pub fn to_polyline(&self, segments: usize) -> Vec<Point2D>

Convert arc to polyline for rendering.

pub fn to_pie_slice(&self, segments: usize) -> Vec<Point2D>

Convert arc to pie slice (includes center point).

pub fn contains_angle(&self, angle: f64) -> bool

Check if angle is within arc sweep.

Trait Implementations

impl Clone for ArcGeometry

fn clone(&self) -> ArcGeometry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ArcGeometry

impl Debug for ArcGeometry

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

Formats the value using the given formatter.

impl PartialEq for ArcGeometry

fn eq(&self, other: &ArcGeometry) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for ArcGeometry