From 2424fa08027ebe105e1102997e8379ec31528c0a Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Sat, 22 Aug 2020 00:15:58 +0900
Subject: [PATCH] Add helper methods

---
 osu.Game/Skinning/LegacySkinExtensions.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/osu.Game/Skinning/LegacySkinExtensions.cs b/osu.Game/Skinning/LegacySkinExtensions.cs
index bb46dc8b9f..088eae4bce 100644
--- a/osu.Game/Skinning/LegacySkinExtensions.cs
+++ b/osu.Game/Skinning/LegacySkinExtensions.cs
@@ -9,6 +9,7 @@ using osu.Framework.Graphics.Animations;
 using osu.Framework.Graphics.OpenGL.Textures;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
+using osuTK.Graphics;
 using static osu.Game.Skinning.LegacySkinConfiguration;
 
 namespace osu.Game.Skinning
@@ -62,6 +63,21 @@ namespace osu.Game.Skinning
             }
         }
 
+        public static Color4 ToLegacyColour(this Color4 colour)
+        {
+            if (colour.A == 0)
+                colour.A = 1;
+            return colour;
+        }
+
+        public static T WithInitialColour<T>(this T drawable, Color4 colour)
+            where T : Drawable
+        {
+            drawable.Alpha = colour.A;
+            drawable.Colour = ToLegacyColour(colour);
+            return drawable;
+        }
+
         public class SkinnableTextureAnimation : TextureAnimation
         {
             [Resolved(canBeNull: true)]