fix: new Viewport, VportTile and Xf initializers from main set the view twist; DView has its Chinese label

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/io/tests/it/block_expansion.rs

@@ -117,6 +117,7 @@ fn an_empty_followup_viewport_does_not_mark_an_exact_budget_truncated() {
         layer_colors: Vec::new(),
         clip: None,
         on: true,
+        twist: 0.0,
     };
     let paper = Space::Paper("Layout1".into());
     d.add(&paper, Common::default(), EntityKind::Viewport(viewport(Vec3::new(50.0, 50.0, 0.0), Vec2::ZERO, vec!["FROZEN".into()]))).unwrap();

crates/io/tests/it/roundtrip/collections.rs

@@ -145,8 +145,8 @@ pub(super) fn vports() -> Case {
     drawing.vports.push(VportConfig {
         name: "Split".into(),
         tiles: vec![
-            VportTile { min: Vec2::ZERO, max: Vec2::new(0.5, 1.0), center: Vec2::new(2.0, 3.0), height: 20.0, aspect: 0.75 },
-            VportTile { min: Vec2::new(0.5, 0.0), max: Vec2::new(1.0, 1.0), center: Vec2::new(7.0, 8.0), height: 30.0, aspect: 0.75 },
+            VportTile { min: Vec2::ZERO, max: Vec2::new(0.5, 1.0), center: Vec2::new(2.0, 3.0), height: 20.0, aspect: 0.75, twist: 0.0 },
+            VportTile { min: Vec2::new(0.5, 0.0), max: Vec2::new(1.0, 1.0), center: Vec2::new(7.0, 8.0), height: 30.0, aspect: 0.75, twist: 0.0 },
         ],
     });
     Case { name: "drawing/tiled-viewports".into(), drawing }

crates/ui-egui/src/canvas/draw.rs

@@ -537,7 +537,7 @@ mod zoomed_highlight_tests {
         let list = line(Vec2::new(-1000.0, 0.0), Vec2::new(1000.0, 0.0));
         // The smaller zoom first, so a regression fails here instead of filling memory at 1e9.
         for scale in [1e3, 1e9] {
-            let n = dashes_of(&list, &Xf { rect: SCREEN, center: Vec2::new(0.3, 0.0), scale }).len();
+            let n = dashes_of(&list, &Xf { rect: SCREEN, center: Vec2::new(0.3, 0.0), scale, twist: 0.0 }).len();
             assert!((50..=70).contains(&n), "scale {scale}: {n} dashes for 600 points of line");
         }
     }
@@ -548,7 +548,7 @@ mod zoomed_highlight_tests {
     fn clipped_dashes_stay_where_the_whole_line_puts_them() {
         let list = line(Vec2::new(0.0, 0.0), Vec2::new(1000.0, 0.0));
         for x in [500.3, 512.9, 731.0] {
-            let xf = Xf { rect: SCREEN, center: Vec2::new(x, 0.0), scale: 1.0 };
+            let xf = Xf { rect: SCREEN, center: Vec2::new(x, 0.0), scale: 1.0, twist: 0.0 };
             let whole = Shape::dashed_line(
                 &[xf.to_screen(Vec2::ZERO), xf.to_screen(Vec2::new(1000.0, 0.0))],
                 Stroke::new(1.0, Color32::LIGHT_BLUE),

crates/ui-egui/src/i18n/zh.tsv

@@ -149,6 +149,7 @@
 	Cut with Base Point	带基点剪切
 	Cyan	青色
 	Cylinder	圆柱体
+	DView	动态视图
 	DWG	DWG
 	DXF	DXF
 	Dark	深色