1 files changed, 20 insertions, 0 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 2ee23d7b..684e89af 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -71,6 +71,8 @@ pub mod tty;
 pub mod util;
 pub mod window;
 
+use std::ops::Mul;
+
 pub use grid::Grid;
 pub use term::Term;
 
@@ -81,6 +83,24 @@ pub struct Rgb {
     pub b: u8,
 }
 
+// a multiply function for Rgb, as the default dim is just *2/3
+impl Mul<f32> for Rgb {
+    type Output = Rgb;
+
+    fn mul(self, rhs: f32) -> Rgb {
+        let result = Rgb {
+            r: (self.r as f32 * rhs).max(0.0).min(255.0) as u8,
+            g: (self.g as f32 * rhs).max(0.0).min(255.0) as u8,
+            b: (self.b as f32 * rhs).max(0.0).min(255.0) as u8
+        };
+
+        trace!("Scaling RGB by {} from {:?} to {:?}", rhs, self, result);
+
+        result
+    }
+}
+
+
 #[cfg_attr(feature = "clippy", allow(too_many_arguments))]
 #[cfg_attr(feature = "clippy", allow(doc_markdown))]
 pub mod gl {