From a99786d9c4a660b9096a6cff5aaf02e7bc71820c Mon Sep 17 00:00:00 2001
From: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>
Date: Wed, 29 Sep 2021 17:22:03 +0200
Subject: [PATCH] Fix ICustomDrawOperation HitTest coordinate space.

The transform should be applied inverse, not directly, so that the draw operation can operate on local space.
---
 .../Rendering/SceneGraph/CustomDrawOperation.cs            | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Visuals/Rendering/SceneGraph/CustomDrawOperation.cs b/src/Avalonia.Visuals/Rendering/SceneGraph/CustomDrawOperation.cs
index 15e5660671..b7311936d3 100644
--- a/src/Avalonia.Visuals/Rendering/SceneGraph/CustomDrawOperation.cs
+++ b/src/Avalonia.Visuals/Rendering/SceneGraph/CustomDrawOperation.cs
@@ -17,7 +17,12 @@ namespace Avalonia.Rendering.SceneGraph
 
         public override bool HitTest(Point p)
         {
-            return Custom.HitTest(p * Transform);
+            if (Transform.HasInverse)
+            {
+                return Custom.HitTest(p * Transform.Invert());
+            }
+
+            return false;
         }
 
         public override void Render(IDrawingContextImpl context)