1#[derive(Clone, Copy)]
3pub struct Colour(pub(crate) u8, pub(crate) u8, pub(crate) u8);
4
5impl Colour {
6 pub const fn rgb(r: u8, g: u8, b: u8) -> Colour {
8 Colour(r, g, b)
9 }
10
11 pub const fn hex(hex: u32) -> Colour {
13 let r = ((hex >> 16) & 0xFF) as u8;
14 let g = ((hex >> 8) & 0xFF) as u8;
15 let b = (hex & 0xFF) as u8;
16 Colour(r, g, b)
17 }
18}
19
20#[cfg(target_arch = "wasm32")]
22impl<'de> serde::Deserialize<'de> for Colour {
23 fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
24 where
25 D: serde::Deserializer<'de>,
26 {
27 let s = String::deserialize(deserializer)?;
28 let s = s.trim_start_matches('#');
29 let hex = u32::from_str_radix(s, 16).map_err(serde::de::Error::custom)?;
30 Ok(Self::hex(hex))
31 }
32}
33
34#[cfg(target_arch = "wasm32")]
35impl serde::Serialize for Colour {
36 fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
37 where
38 S: serde::Serializer,
39 {
40 serializer.serialize_str(&format!("#{:02X}{:02X}{:02X}", self.0, self.1, self.2))
41 }
42}