3 files changed, 21 insertions, 15 deletions

diff --git a/core/src/background.rs b/core/src/background.rs
index 2e28e560..eb4b5021 100644
--- a/core/src/background.rs
+++ b/core/src/background.rs
@@ -12,13 +12,13 @@ pub enum Background {
 }
 
 impl Background {
-    /// Increases the translucency of the [`Background`]
-    /// by the given factor.
-    pub fn transparentize(self, factor: f32) -> Self {
+    /// Scales the the alpha channel of the [`Background`] by the given
+    /// factor.
+    pub fn scale_alpha(self, factor: f32) -> Self {
         match self {
-            Self::Color(color) => Self::Color(color.transparentize(factor)),
+            Self::Color(color) => Self::Color(color.scale_alpha(factor)),
             Self::Gradient(gradient) => {
-                Self::Gradient(gradient.transparentize(factor))
+                Self::Gradient(gradient.scale_alpha(factor))
             }
         }
     }
diff --git a/core/src/color.rs b/core/src/color.rs
index da40ca15..4e79defb 100644
--- a/core/src/color.rs
+++ b/core/src/color.rs
@@ -151,8 +151,8 @@ impl Color {
         Color::new(1.0f32 - self.r, 1.0f32 - self.g, 1.0f32 - self.b, self.a)
     }
 
-    /// Transparentizes the [`Color`] by the given factor.
-    pub fn transparentize(self, factor: f32) -> Color {
+    /// Scales the alpha channel of the [`Color`] by the given factor.
+    pub fn scale_alpha(self, factor: f32) -> Color {
         Self {
             a: self.a * factor,
             ..self
diff --git a/core/src/gradient.rs b/core/src/gradient.rs
index ecf7830f..ccae0bce 100644
--- a/core/src/gradient.rs
+++ b/core/src/gradient.rs
@@ -12,17 +12,13 @@ pub enum Gradient {
 }
 
 impl Gradient {
-    /// Adjust the opacity of the gradient by a multiplier applied to each color stop.
-    pub fn transparentize(mut self, factor: f32) -> Self {
-        match &mut self {
+    /// Scales the alpha channel of the [`Gradient`] by the given factor.
+    pub fn scale_alpha(self, factor: f32) -> Self {
+        match self {
             Gradient::Linear(linear) => {
-                for stop in linear.stops.iter_mut().flatten() {
-                    stop.color.a *= factor;
-                }
+                Gradient::Linear(linear.scale_alpha(factor))
             }
         }
-
-        self
     }
 }
 
@@ -100,4 +96,14 @@ impl Linear {
 
         self
     }
+
+    /// Scales the alpha channel of the [`Linear`] gradient by the given
+    /// factor.
+    pub fn scale_alpha(mut self, factor: f32) -> Self {
+        for stop in self.stops.iter_mut().flatten() {
+            stop.color.a *= factor;
+        }
+
+        self
+    }
 }