Struct Corners 

pub struct Corners {
    pub top_left: f64,
    pub top_right: f64,
    pub bottom_left: f64,
    pub bottom_right: f64,
}

Four corner radii, independently – what lets a window be square-topped and round-bottomed, or any other combination, rather than one radius applied uniformly.

In logical pixels throughout, the same seam as Effect::radii: a style writes these, and does not know what scale the window will land on.

Fields

top_left: f64

top_right: f64

bottom_left: f64

bottom_right: f64

Implementations

impl Corners

pub const fn all(radius: f64) -> Self

One radius, all four corners. The common case, and the constructor that used to be Effect::rounded’s whole job before a window was allowed to differ corner to corner.

pub const fn is_none(&self) -> bool

Whether every corner is <= 0.0 or NaN.

NaN is named rather than left to fall out of a negation, the same spelling the single-radius Effect::is_none_effect used before this existed: !(r > 0.0) says the same thing in fewer characters, but clippy rejects a negated comparison on a partially ordered type – and its objection is the point: NaN is incomparable, so r <= 0.0 on its own would call it rounded and draw every surface through a program to cut nothing.

pub fn max_of_side(&self) -> (f64, f64, f64, f64)

Each side, measured by the larger of the two corners that touch it – (top, right, bottom, left). A square-topped, round-bottomed window must not give up its top rows to a corner it does not have.

pub fn largest(&self) -> f64

The one number that stands for all four, for the clientRadius a layer is still told. The largest, because that field’s only in-tree use is an outward hug (PaneStyle.qml: clientRadius + 2, “hug it from outside”), and a hug has to clear the biggest cut or it clips into it.

Trait Implementations

impl Clone for Corners

fn clone(&self) -> Corners

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Corners

impl Debug for Corners

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

Formats the value using the given formatter.

impl PartialEq for Corners

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Corners