From 2523e7a2901aba996224d978ab729fd028fa4153 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Tue, 16 Jul 2019 22:37:30 +0200
Subject: [PATCH] Remove IMutablePen.

It's not really needed. Mutable pens will always be `Pen`s.
---
 src/Avalonia.Visuals/Media/BrushExtensions.cs |  2 +-
 src/Avalonia.Visuals/Media/IMutablePen.cs     | 17 -----------------
 src/Avalonia.Visuals/Media/Pen.cs             |  2 +-
 3 files changed, 2 insertions(+), 19 deletions(-)
 delete mode 100644 src/Avalonia.Visuals/Media/IMutablePen.cs

diff --git a/src/Avalonia.Visuals/Media/BrushExtensions.cs b/src/Avalonia.Visuals/Media/BrushExtensions.cs
index 265337476a..87e698e705 100644
--- a/src/Avalonia.Visuals/Media/BrushExtensions.cs
+++ b/src/Avalonia.Visuals/Media/BrushExtensions.cs
@@ -50,7 +50,7 @@ namespace Avalonia.Media
         {
             Contract.Requires<ArgumentNullException>(pen != null);
 
-            return pen as ImmutablePen ?? ((IMutablePen)pen).ToImmutable();
+            return pen as ImmutablePen ?? ((Pen)pen).ToImmutable();
         }
     }
 }
diff --git a/src/Avalonia.Visuals/Media/IMutablePen.cs b/src/Avalonia.Visuals/Media/IMutablePen.cs
deleted file mode 100644
index 8b02929dec..0000000000
--- a/src/Avalonia.Visuals/Media/IMutablePen.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using System;
-using Avalonia.Media.Immutable;
-
-namespace Avalonia.Media
-{
-    /// <summary>
-    /// Represents a mutable pen which can return an immutable clone of itself.
-    /// </summary>
-    public interface IMutablePen : IPen, IAffectsRender
-    {
-        /// <summary>
-        /// Creates an immutable clone of the pen.
-        /// </summary>
-        /// <returns>The immutable clone.</returns>
-        ImmutablePen ToImmutable();
-    }
-}
diff --git a/src/Avalonia.Visuals/Media/Pen.cs b/src/Avalonia.Visuals/Media/Pen.cs
index c0963adc08..fdf006e054 100644
--- a/src/Avalonia.Visuals/Media/Pen.cs
+++ b/src/Avalonia.Visuals/Media/Pen.cs
@@ -11,7 +11,7 @@ namespace Avalonia.Media
     /// <summary>
     /// Describes how a stroke is drawn.
     /// </summary>
-    public class Pen : AvaloniaObject, IMutablePen, IEquatable<IPen>
+    public class Pen : AvaloniaObject, IPen, IEquatable<IPen>
     {
         /// <summary>
         /// Defines the <see cref="Brush"/> property.