From 0265e74129ab4c2afd596d44fc740d699654f6fe Mon Sep 17 00:00:00 2001
From: "c.lamboo" <casperlamboo@gmail.com>
Date: Thu, 11 Jan 2024 12:56:24 +0100
Subject: [PATCH] Don't include holes in convex hull

CURA-11395
---
 src/utils/polygon.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/utils/polygon.cpp b/src/utils/polygon.cpp
index fbeedc0199..1c698598db 100644
--- a/src/utils/polygon.cpp
+++ b/src/utils/polygon.cpp
@@ -105,6 +105,15 @@ Polygons Polygons::approxConvexHull(int extra_outset)
 
 void Polygons::makeConvex()
 {
+    // early out if there is nothing to do
+    if (empty())
+    {
+        return;
+    }
+
+    // convex hulls cannot have holes, so remove all paths except the outerpath
+    this->paths.resize(1);
+
     // Andrew’s Monotone Chain Convex Hull Algorithm
     for (PolygonRef poly : *this)
     {