From 0aa716e0a0472a0e75c8b7a2e50b39ba0e458759 Mon Sep 17 00:00:00 2001
From: monitor1394 <monitor1394@gmail.com>
Date: Sat, 4 Dec 2021 14:10:28 +0800
Subject: [PATCH] optimize emptyRect symbol

---
 Runtime/Internal/Utility/ChartDrawer.cs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Runtime/Internal/Utility/ChartDrawer.cs b/Runtime/Internal/Utility/ChartDrawer.cs
index aab54fb7..21b79ffe 100644
--- a/Runtime/Internal/Utility/ChartDrawer.cs
+++ b/Runtime/Internal/Utility/ChartDrawer.cs
@@ -65,9 +65,7 @@ namespace XCharts
                     }
                     else
                     {
-                        UGL.DrawRoundRectangle(vh, pos, symbolSize, symbolSize, color, color, 0, cornerRadius, true);
-                        UGL.DrawRoundRectangle(vh, pos, symbolSize - tickness, symbolSize - tickness,
-                            centerFillColor, centerFillColor, 0, cornerRadius, true);
+                        UGL.DrawBorder(vh, pos, symbolSize / 2, symbolSize / 2, tickness, color);
                     }
                     break;
                 case SerieSymbolType.Triangle: