Struct RRect 

pub struct RRect {
    pub left: f64,
    pub top: f64,
    pub right: f64,
    pub bottom: f64,
    pub tl_radius_x: f64,
    pub tl_radius_y: f64,
    pub tr_radius_x: f64,
    pub tr_radius_y: f64,
    pub br_radius_x: f64,
    pub br_radius_y: f64,
    pub bl_radius_x: f64,
    pub bl_radius_y: f64,
}

An immutable rounded rectangle with the custom radii for all four corners.

Fields

left: f64

The offset of the left edge of this rectangle from the x axis.

top: f64

The offset of the top edge of this rectangle from the y axis.

right: f64

The offset of the right edge of this rectangle from the x axis.

bottom: f64

The offset of the bottom edge of this rectangle from the y axis.

tl_radius_x: f64

The top-left horizontal radius.

tl_radius_y: f64

The top-left vertical radius.

tr_radius_x: f64

The top-right horizontal radius.

tr_radius_y: f64

The top-right vertical radius.

br_radius_x: f64

The bottom-right horizontal radius.

br_radius_y: f64

The bottom-right vertical radius.

bl_radius_x: f64

The bottom-left horizontal radius.

bl_radius_y: f64

The bottom-left vertical radius.

Implementations

impl RRect

pub const ZERO: RRect

All values set to zero.

pub fn from_ltrbxy( left: f64, top: f64, right: f64, bottom: f64, radius_x: f64, radius_y: f64, ) -> RRect

Construct from left, top, right, bottom, and the same radii along the horizontal axis and the vertical axis.

pub fn from_ltrbr( left: f64, top: f64, right: f64, bottom: f64, radius: Radius, ) -> RRect

Construct from left, top, right, bottom, and the same radius in each corner.

pub fn from_rect_xy(rect: Rect, radius_x: f64, radius_y: f64) -> RRect

Construct from a bounding box and the same radii along each axis.

pub fn from_rect_and_radius(rect: Rect, radius: Radius) -> RRect

Construct from a bounding box and a radius that is the same in each corner.

pub fn from_ltrb_and_corners( left: f64, top: f64, right: f64, bottom: f64, top_left: Radius, top_right: Radius, bottom_right: Radius, bottom_left: Radius, ) -> RRect

Construct from left, top, right, bottom, and per-corner radii.

pub fn from_rect_and_corners( rect: Rect, top_left: Radius, top_right: Radius, bottom_right: Radius, bottom_left: Radius, ) -> RRect

Construct from a bounding box and per-corner radii.

pub fn tl_radius(self) -> Radius

The top-left Radius.

pub fn tr_radius(self) -> Radius

The top-right Radius.

pub fn br_radius(self) -> Radius

The bottom-right Radius.

pub fn bl_radius(self) -> Radius

The bottom-left Radius.

pub fn shift(self, offset: Offset) -> RRect

Returns a clone translated by the given offset.

pub fn inflate(self, delta: f64) -> RRect

Returns a clone with edges and radii moved outwards by delta.

pub fn deflate(self, delta: f64) -> RRect

Returns a clone with edges and radii moved inwards by delta.

pub fn width(self) -> f64

The distance between the left and right edges.

pub fn height(self) -> f64

The distance between the top and bottom edges.

pub fn outer_rect(self) -> Rect

The bounding box of this rounded rectangle.

pub fn safe_inner_rect(self) -> Rect

The non-rounded rectangle constrained by the smaller of the two diagonals through the middle of the curve corners.

pub fn middle_rect(self) -> Rect

The rectangle formed from the inner-most centers of the corner ellipses.

pub fn wide_middle_rect(self) -> Rect

The biggest rectangle entirely inside with the full width.

pub fn tall_middle_rect(self) -> Rect

The biggest rectangle entirely inside with the full height.

pub fn is_empty(self) -> bool

Whether this rounded rectangle encloses a non-zero area.

pub fn is_finite(self) -> bool

Whether all coordinates are finite.

pub fn is_rect(self) -> bool

Whether this is a simple rectangle with zero corner radii.

pub fn is_stadium(self) -> bool

Whether this rounded rectangle has a side with no straight section.

pub fn is_ellipse(self) -> bool

Whether this rounded rectangle has no side with a straight section.

pub fn is_circle(self) -> bool

Whether this rounded rectangle would draw as a circle.

pub fn shortest_side(self) -> f64

The lesser of the magnitudes of the width and the height.

pub fn longest_side(self) -> f64

The greater of the magnitudes of the width and the height.

pub fn has_nan(self) -> bool

Whether any of the dimensions are NaN.

pub fn center(self) -> Offset

The offset halfway between the left and right and the top and bottom edges.

pub fn scale_radii(self) -> RRect

Scales all radii so that on each side their sum will not exceed the width or height.

pub fn lerp(a: Option<RRect>, b: Option<RRect>, t: f64) -> Option<RRect>

Linearly interpolate between two rounded rectangles.

If either is null, this function substitutes ZERO.

impl RRect

pub fn contains(self, point: Offset) -> bool

Whether the point specified by the given offset (which is assumed to be relative to the origin) lies inside the rounded rectangle.

Trait Implementations

impl Clone for RRect

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for RRect

impl Debug for RRect

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

Formats the value using the given formatter.

impl PartialEq for RRect

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for RRect