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use crate::Vec2;
use std::fmt;
#[derive(Clone, Copy, Default, PartialEq)]
pub struct Size {
pub width: f64,
pub height: f64,
}
impl Size {
pub const ZERO: Size = Size::new(0., 0.);
#[inline]
pub const fn new(width: f64, height: f64) -> Self {
Size { width, height }
}
pub fn clamp(self, min: Size, max: Size) -> Self {
let width = self.width.max(min.width).min(max.width);
let height = self.height.max(min.height).min(max.height);
Size { width, height }
}
#[inline]
pub fn to_vec2(self) -> Vec2 {
Vec2::new(self.width, self.height)
}
#[inline]
pub fn round(self) -> Size {
Size::new(self.width.round(), self.height.round())
}
}
impl fmt::Debug for Size {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{:?}W×{:?}H", self.width, self.height)
}
}
impl fmt::Display for Size {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
write!(formatter, "(")?;
fmt::Display::fmt(&self.width, formatter)?;
write!(formatter, "×")?;
fmt::Display::fmt(&self.height, formatter)?;
write!(formatter, ")")
}
}
impl From<(f64, f64)> for Size {
#[inline]
fn from(v: (f64, f64)) -> Size {
Size {
width: v.0,
height: v.1,
}
}
}
impl From<Size> for (f64, f64) {
#[inline]
fn from(v: Size) -> (f64, f64) {
(v.width, v.height)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn display() {
let s = Size::new(-0.12345, 9.87654);
assert_eq!(format!("{}", s), "(-0.12345×9.87654)");
let s = Size::new(-0.12345, 9.87654);
assert_eq!(format!("{:+6.2}", s), "( -0.12× +9.88)");
}
}