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use palette::{Gradient, LinSrgba};
use serde::Deserialize;
#[derive(Deserialize)]
pub struct GradientBuilder(
Vec<String>,
);
impl GradientBuilder {
#[inline]
#[must_use]
pub fn build(self) -> Gradient<LinSrgba> {
let mut cols = Vec::with_capacity(self.0.len());
for col in self.0 {
let col_arr = hex::decode(col.replace('#', ""))
.unwrap_or_else(|_| panic!("Failed to parse hexadecimal string: {}.", col));
let r = f32::from(col_arr[0]) / 255.0;
let g = f32::from(col_arr[1]) / 255.0;
let b = f32::from(col_arr[2]) / 255.0;
let a = f32::from(col_arr[3]) / 255.0;
cols.push(LinSrgba::new(r, g, b, a));
}
Gradient::new(cols)
}
}