From 3709ca92e0495b2097e85b26975600138b5f61cb Mon Sep 17 00:00:00 2001
From: Jumar Macato <hikari.netto23@gmail.com>
Date: Tue, 30 Jun 2020 11:55:30 +0800
Subject: [PATCH] use internal keyspline as backing field to save memory.

---
 src/Avalonia.Animation/Easing/SplineEasing.cs | 26 +++++++------------
 1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/src/Avalonia.Animation/Easing/SplineEasing.cs b/src/Avalonia.Animation/Easing/SplineEasing.cs
index 9757d1aeaf..2b075ed2e4 100644
--- a/src/Avalonia.Animation/Easing/SplineEasing.cs
+++ b/src/Avalonia.Animation/Easing/SplineEasing.cs
@@ -11,56 +11,48 @@ namespace Avalonia.Animation.Easings
         /// <summary>
         /// X coordinate of the first control point
         /// </summary>
-        private double _x1;
         public double X1
         {
-            get => _x1;
+            get => _internalKeySpline.ControlPointX1;
             set
             {
-                _x1 = value;
-                _internalKeySpline.ControlPointX1 = _x1;
+                _internalKeySpline.ControlPointX1 = value;
             }
         }
 
         /// <summary>
         /// Y coordinate of the first control point
         /// </summary>
-        private double _y1;
         public double Y1
         {
-            get => _y1;
+            get => _internalKeySpline.ControlPointY1;
             set
             {
-                _y1 = value;
-                _internalKeySpline.ControlPointY1 = _y1;
+                _internalKeySpline.ControlPointY1 = value;
             }
         }
 
         /// <summary>
         /// X coordinate of the second control point
-        /// </summary>
-        private double _x2;
+        /// </summary> 
         public double X2
         {
-            get => _x2;
+            get => _internalKeySpline.ControlPointX2;
             set
             {
-                _x2 = value;
-                _internalKeySpline.ControlPointX2 = _x2;
+                _internalKeySpline.ControlPointX2 = value;
             }
         }
 
         /// <summary>
         /// Y coordinate of the second control point
         /// </summary>
-        private double _y2;
         public double Y2
         {
-            get => _y2;
+            get => _internalKeySpline.ControlPointY2;
             set
             {
-                _y2 = value;
-                _internalKeySpline.ControlPointY2 = _y2;
+                _internalKeySpline.ControlPointY2 = value;
             }
         }