Merge pull request #1315 from Silvertree2010/fix/h2365-scale-tool-transform-scale-does

Scale the path of text on a path in transform.scale

crates/engine/src/cmd/arrange.rs

@@ -495,6 +495,9 @@ pub fn scale_node(doc: &mut Document, id: NodeId, k: f64) -> Result<()> {
             t.paragraph_spacing *= k;
             t.paragraph_indent *= k;
             t.list_spacing *= k;
+            if let Some(tp) = &mut t.path {
+                tp.scale(k, k);
+            }
         }
         if let NodeKind::Vector { network } = &mut n.kind {
             network.scale(k, k);

crates/engine/src/draw_tools_tests.rs

@@ -203,6 +203,18 @@ fn text_on_a_path_left_empty_puts_the_path_back_without_an_undo_step() {
     }
 }
 
+#[test]
+fn scaling_text_scales_its_path() {
+    let mut s = Session::new();
+    let t = id(s.execute("text.create", &json!({"text": "Around", "x": 0, "y": 0})).unwrap());
+    let v = id(s.execute("vector.create", &json!({"path": "M0 0 C50 -50 150 -50 200 0", "x": 40, "y": 100})).unwrap());
+    s.execute("text.onPath", &json!({"ids": [t, v]})).unwrap();
+    let w0 = figcraft_geom::Shape::bounding_box(&text_path(&s, t).unwrap().path()).width();
+    s.execute("transform.scale", &json!({"ids": [t], "factor": 2.0})).unwrap();
+    let w1 = figcraft_geom::Shape::bounding_box(&text_path(&s, t).unwrap().path()).width();
+    assert!((w1 - w0 * 2.0).abs() < 1.0, "path width {w0} -> {w1}");
+}
+
 #[test]
 fn svg_text_paths_import_as_text_on_a_path() {
     // SVG text is parsed with Inter standing in for every family (CI has no fonts).