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|
use super::*;
/// A point in 2D.
#[derive(Default, Copy, Clone, Eq, PartialEq, Hash)]
pub struct Point {
/// The x coordinate.
pub x: Length,
/// The y coordinate.
pub y: Length,
}
impl Point {
/// The origin point.
pub const fn zero() -> Self {
Self { x: Length::zero(), y: Length::zero() }
}
/// Create a new point from x and y coordinate.
pub const fn new(x: Length, y: Length) -> Self {
Self { x, y }
}
/// Create an instance with two equal components.
pub const fn splat(value: Length) -> Self {
Self { x: value, y: value }
}
/// Create a new point with y set to zero.
pub const fn with_x(x: Length) -> Self {
Self { x, y: Length::zero() }
}
/// Create a new point with x set to zero.
pub const fn with_y(y: Length) -> Self {
Self { x: Length::zero(), y }
}
/// Transform the point with the given transformation.
pub fn transform(self, ts: Transform) -> Self {
Self::new(
ts.sx.of(self.x) + ts.kx.of(self.y) + ts.tx,
ts.ky.of(self.x) + ts.sy.of(self.y) + ts.ty,
)
}
}
impl Numeric for Point {
fn zero() -> Self {
Self::zero()
}
fn is_finite(self) -> bool {
self.x.is_finite() && self.y.is_finite()
}
}
impl Get<SpecAxis> for Point {
type Component = Length;
fn get(self, axis: SpecAxis) -> Length {
match axis {
SpecAxis::Horizontal => self.x,
SpecAxis::Vertical => self.y,
}
}
fn get_mut(&mut self, axis: SpecAxis) -> &mut Length {
match axis {
SpecAxis::Horizontal => &mut self.x,
SpecAxis::Vertical => &mut self.y,
}
}
}
impl Debug for Point {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
write!(f, "Point({:?}, {:?})", self.x, self.y)
}
}
impl Neg for Point {
type Output = Self;
fn neg(self) -> Self {
Self { x: -self.x, y: -self.y }
}
}
impl Add for Point {
type Output = Self;
fn add(self, other: Self) -> Self {
Self { x: self.x + other.x, y: self.y + other.y }
}
}
sub_impl!(Point - Point -> Point);
impl Mul<f64> for Point {
type Output = Self;
fn mul(self, other: f64) -> Self {
Self { x: self.x * other, y: self.y * other }
}
}
impl Mul<Point> for f64 {
type Output = Point;
fn mul(self, other: Point) -> Point {
other * self
}
}
impl Div<f64> for Point {
type Output = Self;
fn div(self, other: f64) -> Self {
Self { x: self.x / other, y: self.y / other }
}
}
assign_impl!(Point += Point);
assign_impl!(Point -= Point);
assign_impl!(Point *= f64);
assign_impl!(Point /= f64);
|
