feat: quad shadows

core/src/element.rs

@@ -540,6 +540,7 @@ where
                     border_color: color,
                     border_width: 1.0,
                     border_radius: 0.0.into(),
+                    shadow: Default::default()
                 },
                 Color::TRANSPARENT,
             );

core/src/lib.rs

@@ -27,6 +27,7 @@ pub mod layout;
 pub mod mouse;
 pub mod overlay;
 pub mod renderer;
+pub mod shadow;
 pub mod svg;
 pub mod text;
 pub mod time;
@@ -70,6 +71,7 @@ pub use pixels::Pixels;
 pub use point::Point;
 pub use rectangle::Rectangle;
 pub use renderer::Renderer;
+pub use shadow::Shadow;
 pub use shell::Shell;
 pub use size::Size;
 pub use text::Text;

core/src/renderer.rs

@@ -5,7 +5,7 @@ mod null;
 #[cfg(debug_assertions)]
 pub use null::Null;
 
-use crate::{Background, BorderRadius, Color, Rectangle, Vector};
+use crate::{Background, BorderRadius, Color, Rectangle, Shadow, Vector};
 
 /// A component that can be used by widgets to draw themselves on a screen.
 pub trait Renderer: Sized {
@@ -45,6 +45,9 @@ pub struct Quad {
 
     /// The border color of the [`Quad`].
     pub border_color: Color,
+
+    /// The shadow of the [`Quad`].
+    pub shadow: Shadow,
 }
 
 /// The styling attributes of a [`Renderer`].

core/src/shadow.rs

@@ -0,0 +1,15 @@
+//! Shadow
+use crate::{Color, Vector};
+
+/// A shadow
+#[derive(Debug, Clone, Copy, PartialEq, Default)]
+pub struct Shadow {
+    /// The color of the shadow
+    pub color: Color,
+
+    /// The offset of the shadow
+    pub offset: Vector,
+
+    /// The blur_radius of the shadow
+    pub blur_radius: f32,
+}