Implement IsPointInPath

2 files changed, 18 insertions, 6 deletions

diff --git a/components/script/dom/canvasrenderingcontext2d.rs b/components/script/dom/canvasrenderingcontext2d.rs
index 5fed20daae7..119f819cf8e 100644
--- a/components/script/dom/canvasrenderingcontext2d.rs
+++ b/components/script/dom/canvasrenderingcontext2d.rs
@@ -5,7 +5,7 @@
 use canvas::canvas_paint_task::RectToi32;
 use canvas_traits::{Canvas2dMsg, CanvasCommonMsg, CanvasMsg};
 use canvas_traits::{CompositionOrBlending, LineCapStyle, LineJoinStyle};
-use canvas_traits::{FillOrStrokeStyle, LinearGradientStyle, RadialGradientStyle, RepetitionStyle};
+use canvas_traits::{FillOrStrokeStyle, FillRule, LinearGradientStyle, RadialGradientStyle, RepetitionStyle};
 use cssparser::Color as CSSColor;
 use cssparser::{Parser, RGBA};
 use dom::bindings::cell::DOMRefCell;
@@ -695,6 +695,19 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
         self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::Clip)).unwrap();
     }
 
+    // https://html.spec.whatwg.org/multipage/#dom-context-2d-ispointinpath
+    fn IsPointInPath(&self, x: f64, y: f64, fill_rule: CanvasFillRule) -> bool {
+        let fill_rule = match fill_rule {
+            CanvasFillRule::Nonzero => FillRule::Nonzero,
+            CanvasFillRule::Evenodd => FillRule::Evenodd,
+        };
+        let (sender, receiver) = ipc::channel::<bool>().unwrap();
+        self.ipc_renderer
+            .send(CanvasMsg::Canvas2d(Canvas2dMsg::IsPointInPath(x, y, fill_rule, sender)))
+            .unwrap();
+        receiver.recv().unwrap()
+    }
+
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-drawimage
     fn DrawImage(&self,
                  image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
diff --git a/components/script/dom/webidls/CanvasRenderingContext2D.webidl b/components/script/dom/webidls/CanvasRenderingContext2D.webidl
index 1fa82ba0e1a..a0e7614a1a2 100644
--- a/components/script/dom/webidls/CanvasRenderingContext2D.webidl
+++ b/components/script/dom/webidls/CanvasRenderingContext2D.webidl
@@ -94,13 +94,12 @@ interface CanvasRenderingContext2D {
   void clip(optional CanvasFillRule fillRule = "nonzero");
   //void clip(Path2D path, optional CanvasFillRule fillRule = "nonzero");
   //void resetClip();
-  //boolean isPointInPath(unrestricted double x, unrestricted double y,
+  boolean isPointInPath(unrestricted double x, unrestricted double y,
+                        optional CanvasFillRule fillRule = "nonzero");
+  //boolean isPointInPath(Path2D path, unrestricted double x, unrestricted double y,
   //                      optional CanvasFillRule fillRule = "nonzero");
-  //boolean isPointInPath(Path2D path, unrestricted double x, unrestricted
-  //                      double y, optional CanvasFillRule fillRule = "nonzero");
   //boolean isPointInStroke(unrestricted double x, unrestricted double y);
-  //                        boolean isPointInStroke(Path2D path, unrestricted double x,
-  //                        unrestricted double y);
+  //boolean isPointInStroke(Path2D path, unrestricted double x, unrestricted double y);
 
   // text (see also the CanvasDrawingStyles interface)
   //void fillText(DOMString text, unrestricted double x, unrestricted double y,