Fix clippy::use_self

Cargo.toml

@@ -88,7 +88,7 @@ clippy.missing_errors_doc = "warn"
 clippy.missing_panics_doc = "warn"
 clippy.partial_pub_fields = "warn"
 clippy.shadow_unrelated = "warn"
-# clippy.use_self = "warn"
+clippy.use_self = "warn"
 
 # This catches duplicated dependencies in the tree, which we don't have much control over
 # We should use cargo deny for this, anyway

src/brush.rs

@@ -45,20 +45,20 @@ impl Brush {
     /// Returns the brush with the alpha component multiplied by the specified
     /// factor.
     #[must_use]
-    pub fn with_alpha_factor(self, alpha: f32) -> Brush {
+    pub fn with_alpha_factor(self, alpha: f32) -> Self {
         if alpha == 1.0 {
             self
         } else {
             match self {
-                Brush::Solid(color) => color.with_alpha_factor(alpha).into(),
-                Brush::Gradient(mut gradient) => {
+                Self::Solid(color) => color.with_alpha_factor(alpha).into(),
+                Self::Gradient(mut gradient) => {
                     gradient
                         .stops
                         .iter_mut()
                         .for_each(|stop| *stop = stop.with_alpha_factor(alpha));
                     gradient.into()
                 }
-                Brush::Image(image) => image.with_alpha_factor(alpha).into(),
+                Self::Image(image) => image.with_alpha_factor(alpha).into(),
             }
         }
     }

src/color.rs

@@ -85,7 +85,7 @@ impl Color {
     #[allow(clippy::many_single_char_names)]
     #[allow(clippy::unreadable_literal)]
     #[must_use]
-    pub fn hlca(h: f64, l: f64, c: f64, alpha: f64) -> Color {
+    pub fn hlca(h: f64, l: f64, c: f64, alpha: f64) -> Self {
         // The reverse transformation from Lab to XYZ, see
         // https://en.wikipedia.org/wiki/CIELAB_color_space
         fn f_inv(t: f64) -> f64 {
@@ -127,7 +127,7 @@ impl Color {
                 1.055 * u.powf(1. / 2.4) - 0.055
             }
         }
-        Color::rgba(gamma(r_lin), gamma(g_lin), gamma(b_lin), alpha)
+        Self::rgba(gamma(r_lin), gamma(g_lin), gamma(b_lin), alpha)
     }
 
     /// Parses a color from a string.
@@ -160,6 +160,7 @@ impl Color {
 }
 
 /// Named SVG colors.
+#[allow(clippy::use_self)]
 impl Color {
     /// Alice blue (240, 248, 255, 255)
     pub const ALICE_BLUE: Color = Color::rgba8(240, 248, 255, 255);