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use crate::ser::{Ser, Sink, Source};
#[derive(Copy, Clone, Debug, Default)]
pub struct Pixel {
pub r: u8,
pub g: u8,
pub b: u8,
}
impl Ser for Pixel {
fn write(&self, sink: &mut impl std::io::Write) -> std::io::Result<()> {
sink.put((self.r, self.g, self.b))
}
fn read(source: &mut impl std::io::Read) -> std::io::Result<Self> {
let (r, g, b) = source.get()?;
Ok(Self { r, g, b })
}
}
impl Pixel {
#[inline]
pub fn distance(a: Pixel, b: Pixel) -> f64 {
let (rd, gd, bd) = (
a.r.abs_diff(b.r) as f64,
a.r.abs_diff(b.r) as f64,
a.r.abs_diff(b.r) as f64,
);
(rd * rd + gd * gd + bd * bd).sqrt()
}
}
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