Struct PathD 

pub struct PathD(/* private fields */);

Double-precision polyline / polygon (PathD).

双精度折线或闭合轮廓（PathD）。

See crate::Path64 for the parallel integer API. / 与 crate::Path64 为对偶关系。

Implementations

impl PathD

pub fn from_vec(points: Vec<PointD>) -> Self

See int64 Path64 methods (float variants). / 与 Path64 方法对偶（浮点版）。

pub fn new(points: impl Into<Vec<PointD>>) -> Self

pub fn as_slice(&self) -> &[PointD]

pub fn as_mut_slice(&mut self) -> &mut [PointD]

pub fn iter(&self) -> Iter<'_, PointD>

pub fn iter_mut(&mut self) -> IterMut<'_, PointD>

pub fn is_empty(&self) -> bool

pub fn len(&self) -> usize

pub fn get_point(&self, index: usize) -> PointD

pub fn add_point(&mut self, point: PointD)

pub fn translate(&self, dx: f64, dy: f64) -> Self

pub fn scale(&self, sx: f64, sy: f64) -> Self

impl PathD

pub fn simplify(&self, epsilon: f64, is_open_path: bool) -> LazyPathsD

Simplifies this path. / 简化路径。

pub fn point_in_polygon(&self, point: PointD) -> PointInPolygonResult

Point-in-polygon test. / 点在多边形内外判定。

pub fn to_path64(&self) -> LazyPaths64

Quantizes to Path64 (default precision). / 量化为 Path64（默认精度）。

impl PathD

pub fn minkowski_sum( &self, pattern: &PathD, is_closed: bool, precision: i32, ) -> LazyPathsD

Minkowski sum in double space. / 双精度闵可夫斯基和。

pub fn minkowski_diff( &self, pattern: &PathD, is_closed: bool, precision: i32, ) -> LazyPathsD

Minkowski difference. / 闵可夫斯基差。

impl PathD

pub fn area(&self) -> f64

Signed area. / 有向面积。

Trait Implementations

impl Clone for PathD

fn clone(&self) -> PathD

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PathD

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

Formats the value using the given formatter.

impl Default for PathD

fn default() -> PathD

Returns the “default value” for a type.

impl FromIterator<PathD> for PathsD

fn from_iter<T: IntoIterator<Item = PathD>>(iter: T) -> Self

Creates a value from an iterator.

impl<'a> IntoIterator for &'a PathD

type Item = &'a PD

The type of the elements being iterated over.

type IntoIter = Iter<'a, PD>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl IntoIterator for PathD

type Item = PD

The type of the elements being iterated over.

type IntoIter = IntoIter<PD>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.