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use crate::{ FromRgb, ToRgb, approx };
/// An RGB color (red, green, blue).
#[derive(Copy, Clone, Debug, Default)]
pub struct Rgb {
pub r: f64,
pub g: f64,
pub b: f64,
}
impl Rgb {
/// Create a new RGB color.
///
/// `r`: red component (0 to 255).
///
/// `g`: green component (0 to 255).
///
/// `b`: blue component (0 to 255).
#[inline]
pub fn new(r: f64, g: f64, b: f64) -> Self {
Self { r, g, b }
}
/// Create a new RGB color from the `hex` value.
///
/// ```let cyan = Rgb::from_hex(0x00ffff);```
pub fn from_hex(hex: u32) -> Self {
Self {
r: (((hex >> 16) & 0xff) as f64),
g: (((hex >> 8) & 0xff) as f64),
b: ((hex & 0xff) as f64)
}
}
}
impl PartialEq for Rgb {
fn eq(&self, other: &Self) -> bool {
approx(self.r, other.r) &&
approx(self.g, other.g) &&
approx(self.b, other.b)
}
}
impl FromRgb for Rgb {
fn from_rgb(rgb: &Rgb) -> Self {
*rgb
}
}
impl ToRgb for Rgb {
fn to_rgb(&self) -> Rgb {
*self
}
}