From 776ffbcbdcb6eaa8e32f989a7527bc8a201362dc Mon Sep 17 00:00:00 2001
From: Dariusz Komosinski <darek.komosinski@gmail.com>
Date: Thu, 30 Jul 2020 23:34:09 +0200
Subject: [PATCH] Add documentation for alpha format.

---
 src/Avalonia.Visuals/Platform/AlphaFormat.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/Avalonia.Visuals/Platform/AlphaFormat.cs b/src/Avalonia.Visuals/Platform/AlphaFormat.cs
index ce8dcde728..3ef8fe9520 100644
--- a/src/Avalonia.Visuals/Platform/AlphaFormat.cs
+++ b/src/Avalonia.Visuals/Platform/AlphaFormat.cs
@@ -1,9 +1,21 @@
 namespace Avalonia.Platform
 {
+    /// <summary>
+    /// Describes how to interpret the alpha component of a pixel.
+    /// </summary>
     public enum AlphaFormat
     {
+        /// <summary>
+        /// All pixels have their alpha premultiplied in their color components.
+        /// </summary>
         Premul,
+        /// <summary>
+        /// All pixels have their color components stored without any regard to the alpha. e.g. this is the default configuration for PNG images.
+        /// </summary>
         Unpremul,
+        /// <summary>
+        /// All pixels are stored as opaque.
+        /// </summary>
         Opaque
     }
 }