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use crate::{Coordinate, CoordinateType};
#[derive(PartialEq, Clone, Copy, Debug)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct Rect<T>
where
T: CoordinateType,
{
pub min: Coordinate<T>,
pub max: Coordinate<T>,
}
impl<T: CoordinateType> Rect<T> {
pub fn new<C>(min: C, max: C) -> Rect<T>
where
C: Into<Coordinate<T>>,
{
let (min, max) = (min.into(), max.into());
assert!(
min.x <= max.x && min.y <= max.y,
"Failed to create the Rect type: 'min' coordinate's x/y value must be smaller or equal to the 'max' x/y value"
);
Rect { min, max }
}
pub fn width(self) -> T {
self.max.x - self.min.x
}
pub fn height(self) -> T {
self.max.y - self.min.y
}
}
#[cfg(test)]
mod test {
use super::*;
use crate::{Coordinate};
#[test]
fn rect() {
let rect = Rect::new((10, 10), (20, 20));
assert_eq!(rect.min, Coordinate { x: 10, y: 10 });
assert_eq!(rect.max, Coordinate { x: 20, y: 20 });
}
#[test]
#[should_panic]
fn rect_panic() {
let _ = Rect::new((10, 20), (20, 10));
}
#[test]
fn rect_width() {
let rect = Rect::new((10, 10), (20, 20));
assert_eq!(rect.width(), 10);
}
#[test]
fn rect_height() {
let rect = Rect::new((10., 10.), (20., 20.));
assert_eq!(rect.height(), 10.);
}
}