From 6205981235b57fa70f23f8a7f228257f6ac19f1e Mon Sep 17 00:00:00 2001
From: Fangjun Kuang <csukuangfj@gmail.com>
Date: Sun, 11 Feb 2018 16:01:21 +0800
Subject: [PATCH] Fix issue 10826.

---
 modules/viz/src/widget.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/viz/src/widget.cpp b/modules/viz/src/widget.cpp
index b324a4e26c..bf8e8be7de 100644
--- a/modules/viz/src/widget.cpp
+++ b/modules/viz/src/widget.cpp
@@ -202,6 +202,8 @@ double cv::viz::Widget::getRenderingProperty(int property) const
 #else
         case IMMEDIATE_RENDERING: std::cerr << "this property has no effect" << std::endl; break;
 #endif
+        case AMBIENT: value = actor->GetProperty()->GetAmbient(); break;
+        case LIGHTING: value = actor->GetProperty()->GetLighting(); break;
         case FONT_SIZE:
         {
             vtkTextActor* text_actor = vtkTextActor::SafeDownCast(actor);