Implement Ellipse Canvas 2D API

* Update rust-azure to 0.21.0
* Mark the following test case as fail:
  tests/wpt/mozilla/tests/mozilla/css-paint-api/background-image-tiled.html
* Make the ellipse test case pass.

BUG: https://github.com/servo/servo/issues/17598

1 files changed, 20 insertions, 0 deletions

diff --git a/components/script/dom/canvasrenderingcontext2d.rs b/components/script/dom/canvasrenderingcontext2d.rs
index 399c1faf30f..e6007c8b6ee 100644
--- a/components/script/dom/canvasrenderingcontext2d.rs
+++ b/components/script/dom/canvasrenderingcontext2d.rs
@@ -957,6 +957,26 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
         Ok(())
     }
 
+    // https://html.spec.whatwg.org/multipage/#dom-context-2d-ellipse
+    fn Ellipse(&self, x: f64, y: f64, rx: f64, ry: f64, rotation: f64, start: f64, end: f64, ccw: bool) -> ErrorResult {
+        if !([x, y, rx, ry, rotation, start, end].iter().all(|x| x.is_finite())) {
+            return Ok(());
+        }
+        if rx < 0.0 || ry < 0.0 {
+            return Err(Error::IndexSize);
+        }
+
+        let msg = CanvasMsg::Canvas2d(Canvas2dMsg::Ellipse(Point2D::new(x as f32, y as f32),
+                                                       rx as f32,
+                                                       ry as f32,
+                                                       rotation as f32,
+                                                       start as f32,
+                                                       end as f32,
+                                                       ccw));
+        self.ipc_renderer.send(msg).unwrap();
+        Ok(())
+    }
+
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-imagesmoothingenabled
     fn ImageSmoothingEnabled(&self) -> bool {
         let state = self.state.borrow();