core/colors: ahh hex conversion

1 files changed, 25 insertions, 0 deletions

diff --git a/core/src/colors.rs b/core/src/colors.rs
index ba78fa3..e69f9d0 100644
--- a/core/src/colors.rs
+++ b/core/src/colors.rs
@@ -31,4 +31,29 @@ impl Color {
     pub fn rgba(&self) -> (f64, f64, f64, f64) {
         (self.0.red, self.0.green, self.0.blue, self.0.alpha)
     }
+
+    pub fn from_hex(hex: &str) -> Self {
+        // palette::Srgb::<f64>::from_str(hex)
+        let color: palette::Srgb<u8> = hex.parse().unwrap();
+        let color: palette::Srgba<u8> = color.into();
+        // TODO: really? no conversion from u8 -> f64?
+        let (r, g, b, a) = color.into_components();
+        Self::from_rgba(
+            r as f64 / 255.,
+            g as f64 / 255.,
+            b as f64 / 255.,
+            a as f64 / 255.,
+        )
+    }
+
+    pub fn to_hex(&self) -> String {
+        let (r, g, b, a) = self.0.into_components();
+        format!(
+            "#{:02x}{:02x}{:02x}{:02x}",
+            (r * 255.) as u8,
+            (g * 255.) as u8,
+            (b * 255.) as u8,
+            (a * 255.) as u8
+        )
+    }
 }