From 1dee418ff16a0c680ed6436cbce7850f9b21d79a Mon Sep 17 00:00:00 2001
From: Bastien Orivel <eijebong@bananium.fr>
Date: Thu, 8 Aug 2019 21:27:23 +0200
Subject: [PATCH] Set the line cap to butt when drawing a rect with a 0
 width/height

Otherwise raqote will draw the cap even though it shouldn't because the
spec says so
---
 components/canvas/canvas_data.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/canvas/canvas_data.rs b/components/canvas/canvas_data.rs
index d9b36ad5816..1a1e6fd1cea 100644
--- a/components/canvas/canvas_data.rs
+++ b/components/canvas/canvas_data.rs
@@ -546,11 +546,13 @@ impl<'a> CanvasData<'a> {
                 );
             });
         } else if rect.size.width == 0. || rect.size.height == 0. {
+            let mut stroke_opts = self.state.stroke_opts.clone();
+            stroke_opts.set_line_cap(LineCapStyle::Butt);
             self.drawtarget.stroke_line(
                 rect.origin,
                 rect.bottom_right(),
                 self.state.stroke_style.clone(),
-                &self.state.stroke_opts,
+                &stroke_opts,
                 &self.state.draw_options,
             );
         } else {