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Arc

druid::piet::kurbo

Struct Arc 

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pub struct Arc {
    pub center: Point,
    pub radii: Vec2,
    pub start_angle: f64,
    pub sweep_angle: f64,
    pub x_rotation: f64,
}
Expand description

A single arc segment.

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§center: Point

The arc’s centre point.

§radii: Vec2

The arc’s radii, where the vector’s x-component is the radius in the positive x direction after applying x_rotation.

§start_angle: f64

The start angle in radians.

§sweep_angle: f64

The angle between the start and end of the arc, in radians.

§x_rotation: f64

How much the arc is rotated, in radians.

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impl Arc

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pub fn new( center: impl Into<Point>, radii: impl Into<Vec2>, start_angle: f64, sweep_angle: f64, x_rotation: f64, ) -> Arc

Create a new Arc.

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pub fn append_iter(&self, tolerance: f64) -> ArcAppendIter

Create an iterator generating Bezier path elements.

The generated elements can be appended to an existing bezier path.

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pub fn to_cubic_beziers<P>(self, tolerance: f64, p: P)
where P: FnMut(Point, Point, Point),

Converts an Arc into a series of cubic bezier segments.

Closure will be invoked for each segment.

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impl Arc

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

Creates an Arc from a SvgArc.

Returns None if arc is actually a straight line.

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impl Clone for Arc

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fn clone(&self) -> Arc

Returns a duplicate 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 Data for Arc

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fn same(&self, other: &Self) -> bool

Determine whether two values are the same. Read more
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impl Debug for Arc

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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 Mul<Arc> for Affine

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type Output = Arc

The resulting type after applying the * operator.
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fn mul(self, arc: Arc) -> <Affine as Mul<Arc>>::Output

Performs the * operation. Read more
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impl PartialEq for Arc

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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fn area(&self) -> f64

Note: shape isn’t closed so area is not well defined.

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

The perimeter of the ellipse.

Note: Finding the perimeter of an ellipse is fairly involved, so for now we just approximate by using the bezier curve representation.

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fn winding(&self, pt: Point) -> i32

Note: shape isn’t closed, so a point’s winding number is not well defined.

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type PathElementsIter<'iter> = Chain<Once<PathEl>, ArcAppendIter>

The iterator returned by the path_elements method.
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fn path_elements(&self, tolerance: f64) -> <Arc as Shape>::PathElementsIter<'_>

Returns an iterator over this shape expressed as PathEls; that is, as Bézier path elements. Read more
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fn bounding_box(&self) -> Rect

The smallest rectangle that encloses the shape.
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fn to_path(&self, tolerance: f64) -> BezPath

Convert to a Bézier path. Read more
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fn into_path(self, tolerance: f64) -> BezPath

Convert into a Bézier path. Read more
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fn path_segments(&self, tolerance: f64) -> Segments<Self::PathElementsIter<'_>> ⓘ

Returns an iterator over this shape expressed as Bézier path segments (PathSegs). Read more
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fn contains(&self, pt: Point) -> bool

Returns true if the Point is inside this shape. Read more
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fn as_line(&self) -> Option<Line>

If the shape is a line, make it available.
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fn as_rect(&self) -> Option<Rect>

If the shape is a rectangle, make it available.
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fn as_rounded_rect(&self) -> Option<RoundedRect>

If the shape is a rounded rectangle, make it available.
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fn as_circle(&self) -> Option<Circle>

If the shape is a circle, make it available.
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fn as_path_slice(&self) -> Option<&[PathEl]>

If the shape is stored as a slice of path elements, make that available. Read more
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impl Copy for Arc

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impl StructuralPartialEq for Arc

Auto Trait Implementations§

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impl Freeze for Arc

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impl RefUnwindSafe for Arc

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impl Send for Arc

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impl Sync for Arc

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impl Unpin for Arc

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impl UnwindSafe for Arc

Blanket Implementations§

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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> AnyEq for T
where T: Any + PartialEq,

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fn equals(&self, other: &(dyn Any + 'static)) -> bool

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fn as_any(&self) -> &(dyn Any + 'static)

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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
where T: ?Sized,

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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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> 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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impl<T, U> Into<U> for T
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> RoundFrom<T> for T

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fn round_from(x: T) -> T

Performs the conversion.
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impl<T, U> RoundInto<U> for T
where U: RoundFrom<T>,

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fn round_into(self) -> U

Performs the conversion.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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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> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more