Fix clipping with outset (#5295)

Co-authored-by: Laurenz <laurmaedje@gmail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/crates/typst-library/src/visualize/path.rs b/crates/typst-library/src/visualize/path.rs
index 76fd0df0..f592a712 100644
--- a/crates/typst-library/src/visualize/path.rs
+++ b/crates/typst-library/src/visualize/path.rs
@@ -1,4 +1,5 @@
 use kurbo::ParamCurveExtrema;
+use typst_utils::Numeric;
 
 use self::PathVertex::{AllControlPoints, MirroredControlPoint, Vertex};
 use crate::diag::{bail, SourceResult};
@@ -228,6 +229,25 @@ impl Path {
         self.0.push(PathItem::ClosePath);
     }
 
+    /// Translate all points in this path by the given offset.
+    pub fn translate(&mut self, offset: Point) {
+        if offset.is_zero() {
+            return;
+        }
+        for item in self.0.iter_mut() {
+            match item {
+                PathItem::MoveTo(p) => *p += offset,
+                PathItem::LineTo(p) => *p += offset,
+                PathItem::CubicTo(p1, p2, p3) => {
+                    *p1 += offset;
+                    *p2 += offset;
+                    *p3 += offset;
+                }
+                PathItem::ClosePath => (),
+            }
+        }
+    }
+
     /// Computes the size of bounding box of this path.
     pub fn bbox_size(&self) -> Size {
         let mut min_x = Abs::inf();