From 14dd503c8ac04ee89f1ea6da06ef003db840049b Mon Sep 17 00:00:00 2001
From: Maximilian Wagenbach <maximilian.wagenbach@native-instruments.de>
Date: Fri, 26 Jan 2018 15:19:41 +0100
Subject: [PATCH] Generate shape outline vertices only if necessary.

---
 src/SFML/Graphics/Shape.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/SFML/Graphics/Shape.cpp b/src/SFML/Graphics/Shape.cpp
index c0d4f8215..24affe782 100644
--- a/src/SFML/Graphics/Shape.cpp
+++ b/src/SFML/Graphics/Shape.cpp
@@ -251,6 +251,14 @@ void Shape::updateTexCoords()
 ////////////////////////////////////////////////////////////
 void Shape::updateOutline()
 {
+    // Return if there is no outline
+    if (m_outlineThickness == 0.f)
+    {
+        m_outlineVertices.clear();
+        m_bounds = m_insideBounds;
+        return;
+    }
+
     std::size_t count = m_vertices.getVertexCount() - 2;
     m_outlineVertices.resize((count + 1) * 2);