From a7089515c5cd41eb0b12076586c72c5ac1ad4c76 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Sat, 26 Dec 2015 17:53:36 +0000
Subject: [PATCH] Fixed culling bug with transforms.

---
 src/Perspex.SceneGraph/Rendering/RendererMixin.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Perspex.SceneGraph/Rendering/RendererMixin.cs b/src/Perspex.SceneGraph/Rendering/RendererMixin.cs
index a820eaf65e..6acb10e6e9 100644
--- a/src/Perspex.SceneGraph/Rendering/RendererMixin.cs
+++ b/src/Perspex.SceneGraph/Rendering/RendererMixin.cs
@@ -162,7 +162,10 @@ namespace Perspex.Rendering
             }
             else
             {
-                return visual.Bounds.TransformToAABB(visual.RenderTransform.Value);
+                var origin = visual.TransformOrigin.ToPixels(new Size(visual.Bounds.Width, visual.Bounds.Height));
+                var offset = Matrix.CreateTranslation(visual.Bounds.Position + origin);
+                var m = (-offset) * visual.RenderTransform.Value * (offset);
+                return visual.Bounds.TransformToAABB(m);
             }
         }