Struct iced::widget::canvas::path::lyon_path::geom::arc::Arc

pub struct Arc<S> {
    pub center: Point2D<S, UnknownUnit>,
    pub radii: Vector2D<S, UnknownUnit>,
    pub start_angle: Angle<S>,
    pub sweep_angle: Angle<S>,
    pub x_rotation: Angle<S>,
}
Available on crate feature canvas only.
Expand description

An elliptic arc curve segment.

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§center: Point2D<S, UnknownUnit>§radii: Vector2D<S, UnknownUnit>§start_angle: Angle<S>§sweep_angle: Angle<S>§x_rotation: Angle<S>

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impl<S> Arc<S>
where S: Scalar,

pub fn circle(center: Point2D<S, UnknownUnit>, radius: S) -> Arc<S>

Create simple circle.

pub fn from_svg_arc(arc: &SvgArc<S>) -> Arc<S>

Convert from the SVG arc notation.

pub fn to_svg_arc(&self) -> SvgArc<S>

Convert to the SVG arc notation.

pub fn for_each_quadratic_bezier<F>(&self, cb: &mut F)

Approximate the arc with a sequence of quadratic bézier curves.

pub fn for_each_quadratic_bezier_with_t<F>(&self, cb: &mut F)

Approximate the arc with a sequence of quadratic bézier curves.

pub fn for_each_cubic_bezier<F>(&self, cb: &mut F)
where F: FnMut(&CubicBezierSegment<S>),

Approximate the arc with a sequence of cubic bézier curves.

pub fn sample(&self, t: S) -> Point2D<S, UnknownUnit>

Sample the curve at t (expecting t between 0 and 1).

pub fn x(&self, t: S) -> S

pub fn y(&self, t: S) -> S

pub fn sample_tangent(&self, t: S) -> Vector2D<S, UnknownUnit>

Sample the curve’s tangent at t (expecting t between 0 and 1).

pub fn get_angle(&self, t: S) -> Angle<S>

Sample the curve’s angle at t (expecting t between 0 and 1).

pub fn end_angle(&self) -> Angle<S>

pub fn from(&self) -> Point2D<S, UnknownUnit>

pub fn to(&self) -> Point2D<S, UnknownUnit>

pub fn split_range(&self, t_range: Range<S>) -> Arc<S>

Return the sub-curve inside a given range of t.

This is equivalent splitting at the range’s end points.

pub fn split(&self, t: S) -> (Arc<S>, Arc<S>)

Split this curve into two sub-curves.

pub fn before_split(&self, t: S) -> Arc<S>

Return the curve before the split point.

pub fn after_split(&self, t: S) -> Arc<S>

Return the curve after the split point.

pub fn flip(&self) -> Arc<S>

Swap the direction of the segment.

pub fn for_each_flattened<F>(&self, tolerance: S, callback: &mut F)
where F: FnMut(&LineSegment<S>),

Approximates the curve with sequence of line segments.

The tolerance parameter defines the maximum distance between the curve and its approximation.

pub fn for_each_flattened_with_t<F>(&self, tolerance: S, callback: &mut F)
where F: FnMut(&LineSegment<S>, Range<S>),

Approximates the curve with sequence of line segments.

The tolerance parameter defines the maximum distance between the curve and its approximation.

The end of the t parameter range at the final segment is guaranteed to be equal to 1.0.

pub fn flattened(&self, tolerance: S) -> Flattened<S>

Returns the flattened representation of the curve as an iterator, starting after the current point.

pub fn fast_bounding_box(&self) -> Box2D<S, UnknownUnit>

Returns a conservative rectangle that contains the curve.

pub fn bounding_box(&self) -> Box2D<S, UnknownUnit>

Returns a conservative rectangle that contains the curve.

pub fn for_each_local_x_extremum_t<F>(&self, cb: &mut F)
where F: FnMut(S),

pub fn for_each_local_y_extremum_t<F>(&self, cb: &mut F)
where F: FnMut(S),

pub fn bounding_range_x(&self) -> (S, S)

pub fn bounding_range_y(&self) -> (S, S)

pub fn fast_bounding_range_x(&self) -> (S, S)

pub fn fast_bounding_range_y(&self) -> (S, S)

pub fn approximate_length(&self, tolerance: S) -> S

Trait Implementations§

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impl<S> Clone for Arc<S>
where S: Clone,

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fn clone(&self) -> Arc<S>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<S> Debug for Arc<S>
where S: Debug,

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

Formats the value using the given formatter. Read more
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impl<S> From<SvgArc<S>> for Arc<S>
where S: Scalar,

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fn from(svg: SvgArc<S>) -> Arc<S>

Converts to this type from the input type.
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impl<S> PartialEq for Arc<S>
where S: PartialEq,

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fn eq(&self, other: &Arc<S>) -> bool

This method tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<S> Segment for Arc<S>
where S: Scalar,

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type Scalar = S

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fn from(&self) -> Point2D<S, UnknownUnit>

Start of the curve.
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fn to(&self) -> Point2D<S, UnknownUnit>

End of the curve.
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fn sample(&self, t: S) -> Point2D<S, UnknownUnit>

Sample the curve at t (expecting t between 0 and 1).
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fn x(&self, t: S) -> S

Sample x at t (expecting t between 0 and 1).
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fn y(&self, t: S) -> S

Sample y at t (expecting t between 0 and 1).
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fn derivative(&self, t: S) -> Vector2D<S, UnknownUnit>

Sample the derivative at t (expecting t between 0 and 1).
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fn split(&self, t: S) -> (Arc<S>, Arc<S>)

Split this curve into two sub-curves.
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fn before_split(&self, t: S) -> Arc<S>

Return the curve before the split point.
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fn after_split(&self, t: S) -> Arc<S>

Return the curve after the split point.
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fn split_range(&self, t_range: Range<S>) -> Arc<S>

Return the curve inside a given range of t. Read more
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fn flip(&self) -> Arc<S>

Swap the direction of the segment.
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fn approximate_length(&self, tolerance: S) -> S

Compute the length of the segment using a flattened approximation.
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fn for_each_flattened_with_t( &self, tolerance: <Arc<S> as Segment>::Scalar, callback: &mut dyn FnMut(&LineSegment<S>, Range<S>) )

Approximates the curve with sequence of line segments. Read more
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fn dx(&self, t: Self::Scalar) -> Self::Scalar

Sample x derivative at t (expecting t between 0 and 1).
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fn dy(&self, t: Self::Scalar) -> Self::Scalar

Sample y derivative at t (expecting t between 0 and 1).
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impl<S> Copy for Arc<S>
where S: Copy,

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impl<S> StructuralPartialEq for Arc<S>

Auto Trait Implementations§

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impl<S> RefUnwindSafe for Arc<S>
where S: RefUnwindSafe,

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impl<S> Send for Arc<S>
where S: Send,

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impl<S> Sync for Arc<S>
where S: Sync,

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impl<S> Unpin for Arc<S>
where S: Unpin,

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impl<S> UnwindSafe for Arc<S>
where S: UnwindSafe,

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impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S
where T: Real + Zero + Arithmetics + Clone, Swp: WhitePoint<T>, Dwp: WhitePoint<T>, D: AdaptFrom<S, Swp, Dwp, T>,

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fn adapt_into_using<M>(self, method: M) -> D
where M: TransformMatrix<T>,

Convert the source color to the destination color using the specified method.
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fn adapt_into(self) -> D

Convert the source color to the destination color using the bradford method by default.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T, C> ArraysFrom<C> for T
where C: IntoArrays<T>,

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fn arrays_from(colors: C) -> T

Cast a collection of colors into a collection of arrays.
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impl<T, C> ArraysInto<C> for T
where C: FromArrays<T>,

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fn arrays_into(self) -> C

Cast this collection of arrays into a collection of colors.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T, C> ComponentsFrom<C> for T
where C: IntoComponents<T>,

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fn components_from(colors: C) -> T

Cast a collection of colors into a collection of color components.
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromAngle<T> for T

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fn from_angle(angle: T) -> T

Performs a conversion from angle.
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impl<T, U> FromStimulus<U> for T
where U: IntoStimulus<T>,

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fn from_stimulus(other: U) -> T

Converts other into Self, while performing the appropriate scaling, rounding and clamping.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> IntoAngle<U> for T
where U: FromAngle<T>,

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fn into_angle(self) -> U

Performs a conversion into T.
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impl<T, U> IntoColor<U> for T
where U: FromColor<T>,

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fn into_color(self) -> U

Convert into T with values clamped to the color defined bounds Read more
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impl<T, U> IntoColorUnclamped<U> for T
where U: FromColorUnclamped<T>,

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fn into_color_unclamped(self) -> U

Convert into T. The resulting color might be invalid in its color space Read more
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fn into_stimulus(self) -> T

Converts self into T, while performing the appropriate scaling, rounding and clamping.
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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type Output = T

Should always be Self
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where T: Clone,

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The resulting type after obtaining ownership.
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impl<T, C> TryComponentsInto<C> for T
where C: TryFromComponents<T>,

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type Error = <C as TryFromComponents<T>>::Error

The error for when try_into_colors fails to cast.
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fn try_components_into(self) -> Result<C, <T as TryComponentsInto<C>>::Error>

Try to cast this collection of color components into a collection of colors. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T, U> TryIntoColor<U> for T
where U: TryFromColor<T>,

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fn try_into_color(self) -> Result<U, OutOfBounds<U>>

Convert into T, returning ok if the color is inside of its defined range, otherwise an OutOfBounds error is returned which contains the unclamped color. Read more
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impl<C, U> UintsFrom<C> for U
where C: IntoUints<U>,

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fn uints_from(colors: C) -> U

Cast a collection of colors into a collection of unsigned integers.
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impl<C, U> UintsInto<C> for U
where C: FromUints<U>,

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fn uints_into(self) -> C

Cast this collection of unsigned integers into a collection of colors.
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impl<T> Upcast<T> for T

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fn upcast(&self) -> Option<&T>

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fn vzip(self) -> V

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where S: Into<Dispatch>,

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