Rename as_rgb method to as_rgb_array, and add RGBA version

The new name makes clear the return type.

1 files changed, 8 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index cbda0c6..098209a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -50,9 +50,16 @@ impl Colour {
         let blue = (bg.blue() * bg_mix) + (fg.blue() * fg_mix);
         Self::from_rgb(red, green, blue)
     }
-    pub fn as_rgb(&self) -> [u8; 3] {
+
+    /// Get an array of red, green, and blue channel values.
+    pub fn as_rgb_array(&self) -> [u8; 3] {
         [self.red(), self.green(), self.blue()]
     }
+
+    /// Get an array of red, green, blue, and alpha channel values.
+    pub fn as_rgba_array(&self) -> [u8; 4] {
+        [self.red(), self.green(), self.blue(), self.alpha()]
+    }
     pub fn as_rgb_hex(&self) -> String {
         format!("{:02x}{:02x}{:02x}", self.red(), self.green(), self.blue())
     }