Bézier-rs: Add utils to subpath (#1058)

* Add utils to bezier-rs subpath

* Apply code review changes

* Remove tan from constant

* Fix compile

* Fix tests

libraries/bezier-rs/src/bezier/mod.rs

@@ -15,6 +15,7 @@ use std::fmt::{Debug, Formatter, Result};
 
 /// Representation of the handle point(s) in a bezier segment.
 #[derive(Copy, Clone, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 enum BezierHandles {
 	Linear,
 	/// Handles for a quadratic curve.
@@ -31,8 +32,14 @@ enum BezierHandles {
 	},
 }
 
+#[cfg(feature = "dyn-any")]
+impl dyn_any::StaticType for BezierHandles {
+	type Static = BezierHandles;
+}
+
 /// Representation of a bezier curve with 2D points.
 #[derive(Copy, Clone, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Bezier {
 	/// Start point of the bezier curve.
 	start: DVec2,
@@ -54,3 +61,8 @@ impl Debug for Bezier {
 		debug_struct_ref.field("end", &self.end).finish()
 	}
 }
+
+#[cfg(feature = "dyn-any")]
+impl dyn_any::StaticType for Bezier {
+	type Static = Bezier;
+}