preparation

src/layout/color.rs

@@ -35,6 +35,10 @@ impl<T: ColorNum> Color<T> {
         self.a = a;
         self
     }
+
+    pub fn as_arr(self) -> [T; 4] {
+        [self.r, self.g, self.b, self.a]
+    }
 }
 
 pub trait ColorNum {