2 files changed, 30 insertions, 20 deletions
diff --git a/library/src/visualize/mod.rs b/library/src/visualize/mod.rs
index 3adf4e77..ea873f44 100644
--- a/library/src/visualize/mod.rs
+++ b/library/src/visualize/mod.rs
@@ -24,4 +24,22 @@ pub(super) fn define(global: &mut Scope) {
     global.define("circle", CircleElem::func());
     global.define("polygon", PolygonElem::func());
     global.define("path", PathElem::func());
+    global.define("black", Color::BLACK);
+    global.define("gray", Color::GRAY);
+    global.define("silver", Color::SILVER);
+    global.define("white", Color::WHITE);
+    global.define("navy", Color::NAVY);
+    global.define("blue", Color::BLUE);
+    global.define("aqua", Color::AQUA);
+    global.define("teal", Color::TEAL);
+    global.define("eastern", Color::EASTERN);
+    global.define("purple", Color::PURPLE);
+    global.define("fuchsia", Color::FUCHSIA);
+    global.define("maroon", Color::MAROON);
+    global.define("red", Color::RED);
+    global.define("orange", Color::ORANGE);
+    global.define("yellow", Color::YELLOW);
+    global.define("olive", Color::OLIVE);
+    global.define("green", Color::GREEN);
+    global.define("lime", Color::LIME);
 }
diff --git a/library/src/visualize/path.rs b/library/src/visualize/path.rs
index c9b596c7..641095c5 100644
--- a/library/src/visualize/path.rs
+++ b/library/src/visualize/path.rs
@@ -1,6 +1,9 @@
-use self::PathVertex::{AllControlPoints, MirroredControlPoint, Vertex};
-use crate::prelude::*;
 use kurbo::{CubicBez, ParamCurveExtrema};
+use typst::eval::Reflect;
+
+use crate::prelude::*;
+
+use PathVertex::{AllControlPoints, MirroredControlPoint, Vertex};
 
 /// A path through a list of points, connected by Bezier curves.
 ///
@@ -179,8 +182,13 @@ impl PathVertex {
     }
 }
 
-cast_from_value! {
+cast! {
     PathVertex,
+    self => match self {
+        Vertex(x) => x.into_value(),
+        MirroredControlPoint(x, c) => array![x, c].into_value(),
+        AllControlPoints(x, c1, c2) => array![x, c1, c2].into_value(),
+    },
     array: Array => {
         let mut iter = array.into_iter();
         match (iter.next(), iter.next(), iter.next(), iter.next()) {
@@ -188,7 +196,7 @@ cast_from_value! {
                 Vertex(a.cast()?)
             },
             (Some(a), Some(b), None, None) => {
-                if Axes::<Rel<Length>>::is(&a) {
+                if Axes::<Rel<Length>>::castable(&a) {
                     MirroredControlPoint(a.cast()?, b.cast()?)
                 } else {
                     Vertex(Axes::new(a.cast()?, b.cast()?))
@@ -201,19 +209,3 @@ cast_from_value! {
         }
     },
 }
-
-cast_to_value! {
-    v: PathVertex => {
-        match v {
-            PathVertex::Vertex(x) => {
-                Value::from(x)
-            },
-            PathVertex::MirroredControlPoint(x, c) => {
-                Value::Array(array![x, c])
-            },
-            PathVertex::AllControlPoints(x, c1, c2) => {
-                Value::Array(array![x, c1, c2])
-            },
-        }
-    }
-}