sct_reader/
colour.rs

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use std::str::FromStr;

use crate::error::Error;

#[derive(Default, Debug, Clone, Copy, PartialEq, Eq)]
pub struct Colour {
    pub r: u8,
    pub g: u8,
    pub b: u8,
}
impl Colour {
    pub const fn new(r: u8, g: u8, b: u8) -> Self {
        Self { r, g, b }
    }
}
impl From<u32> for Colour {
    fn from(value: u32) -> Self {
        let r = (value & 0xFF) as u8;
        let g = ((value >> 8) & 0xFF) as u8;
        let b = ((value >> 16) & 0xFF) as u8;
        Self { r, g, b }
    }
}
impl FromStr for Colour {
    type Err = Error;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
        s.parse::<u32>()
            .map_err(|_| Error::InvalidColourDefinition)
            .map(Self::from)
    }
}