Fix issue 10826.

62059812 · Fangjun Kuang · e2a99d24 · 62059812
Commit 62059812 authored Feb 11, 2018 by Fangjun Kuang
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widget.cpp modules/viz/src/widget.cpp +2 -0

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--- 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);