Remove appearance from Handle

... and pass it directly to `Renderer::draw` instead.

native/src/svg.rs

@@ -1,19 +1,16 @@
 //! Load and draw vector graphics.
-use crate::{Hasher, Rectangle, Size};
+use crate::{Color, Hasher, Rectangle, Size};
 
 use std::borrow::Cow;
 use std::hash::{Hash, Hasher as _};
 use std::path::PathBuf;
 use std::sync::Arc;
 
-pub use iced_style::svg::{Appearance, StyleSheet};
-
 /// A handle of Svg data.
 #[derive(Debug, Clone)]
 pub struct Handle {
     id: u64,
     data: Arc<Data>,
-    appearance: Appearance,
 }
 
 impl Handle {
@@ -39,7 +36,6 @@ impl Handle {
         Handle {
             id: hasher.finish(),
             data: Arc::new(data),
-            appearance: Appearance::default(),
         }
     }
 
@@ -52,16 +48,6 @@ impl Handle {
     pub fn data(&self) -> &Data {
         &self.data
     }
-
-    /// Returns the styling [`Appearance`] for the SVG.
-    pub fn appearance(&self) -> Appearance {
-        self.appearance
-    }
-
-    /// Set the [`Appearance`] for the SVG.
-    pub fn set_appearance(&mut self, appearance: Appearance) {
-        self.appearance = appearance;
-    }
 }
 
 impl Hash for Handle {
@@ -98,6 +84,6 @@ pub trait Renderer: crate::Renderer {
     /// Returns the default dimensions of an SVG for the given [`Handle`].
     fn dimensions(&self, handle: &Handle) -> Size<u32>;
 
-    /// Draws an SVG with the given [`Handle`] and inside the provided `bounds`.
-    fn draw(&mut self, handle: Handle, bounds: Rectangle);
+    /// Draws an SVG with the given [`Handle`], an optional [`Color`] filter, and inside the provided `bounds`.
+    fn draw(&mut self, handle: Handle, color: Option<Color>, bounds: Rectangle);
 }

native/src/widget/helpers.rs

@@ -290,7 +290,7 @@ pub fn svg<Renderer>(
 ) -> widget::Svg<Renderer>
 where
     Renderer: crate::svg::Renderer,
-    Renderer::Theme: crate::svg::StyleSheet,
+    Renderer::Theme: widget::svg::StyleSheet,
 {
     widget::Svg::new(handle)
 }

native/src/widget/svg.rs

@@ -9,7 +9,8 @@ use crate::{
 
 use std::path::PathBuf;
 
-pub use svg::{Handle, StyleSheet};
+pub use iced_style::svg::{Appearance, StyleSheet};
+pub use svg::Handle;
 
 /// A vector graphics image.
 ///
@@ -17,7 +18,6 @@ pub use svg::{Handle, StyleSheet};
 ///
 /// [`Svg`] images can have a considerable rendering cost when resized,
 /// specially when they are complex.
-#[derive(Clone)]
 #[allow(missing_debug_implementations)]
 pub struct Svg<Renderer>
 where
@@ -146,9 +146,6 @@ where
         _cursor_position: Point,
         _viewport: &Rectangle,
     ) {
-        let mut handle = self.handle.clone();
-        handle.set_appearance(theme.appearance(self.style));
-
         let Size { width, height } = renderer.dimensions(&self.handle);
         let image_size = Size::new(width as f32, height as f32);
 
@@ -167,7 +164,13 @@ where
                 ..bounds
             };
 
-            renderer.draw(handle, drawing_bounds + offset);
+            let appearance = theme.appearance(&self.style);
+
+            renderer.draw(
+                self.handle.clone(),
+                appearance.color,
+                drawing_bounds + offset,
+            );
         };
 
         if adjusted_fit.width > bounds.width