From 04cab797dbbe219a40a3fd7180fc278696c5b404 Mon Sep 17 00:00:00 2001
From: Jan <jan.boesenberg@incors.com>
Date: Tue, 6 Oct 2015 15:25:40 +0200
Subject: [PATCH] Improve clipConvexHullPart()

Separately handle special cases
---
 src/path/Curve.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/path/Curve.js b/src/path/Curve.js
index 00d8dcc1..53358912 100644
--- a/src/path/Curve.js
+++ b/src/path/Curve.js
@@ -1609,7 +1609,9 @@ new function() { // Scope for intersection using bezier fat-line clipping
         for (var i = 1, l = part.length; i < l; i++) {
             var qx = part[i][0],
                 qy = part[i][1];
-            if (top ? qy >= threshold : qy <= threshold)
+            if (qy == threshold) {
+                return qx;
+            } else if (top ? qy > threshold : qy < threshold)
                 return px + (threshold - py) * (qx - px) / (qy - py);
             px = qx;
             py = qy;