From e90b26c0593a5cabd0eb331b8fb513b5eb9d02e9 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Thu, 7 May 2020 18:49:07 -0300
Subject: [PATCH] add missing log statements.

---
 src/Avalonia.Visuals/Media/DrawingContext.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/Avalonia.Visuals/Media/DrawingContext.cs b/src/Avalonia.Visuals/Media/DrawingContext.cs
index b333ee26f4..bb05d17967 100644
--- a/src/Avalonia.Visuals/Media/DrawingContext.cs
+++ b/src/Avalonia.Visuals/Media/DrawingContext.cs
@@ -358,6 +358,10 @@ namespace Avalonia.Media
             {
                 PlatformImpl.PushOpacity(opacity);
             }
+            else
+            {
+                Logger.TryGet(LogEventLevel.Warning)?.Log(LogArea.DrawingContext, this, "Invalid Opacity Parameters");
+            }
 
             return new PushedState(this, PushedState.PushedStateType.Opacity);
         }
@@ -376,6 +380,10 @@ namespace Avalonia.Media
             {
                 PlatformImpl.PushOpacityMask(mask, bounds);
             }
+            else
+            {
+                Logger.TryGet(LogEventLevel.Warning)?.Log(LogArea.DrawingContext, this, "Invalid OpacityMask Parameters");
+            }
 
             return new PushedState(this, PushedState.PushedStateType.OpacityMask);
         }