Merge topic 'float-cast-overflow'

8c9e3da7 Fixed float -> uint8 overflow

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Reviewed-by: Ben Boeckel <ben.boeckel@kitware.com>
Reviewed-by: Mathieu Westphal (Kitware) <mathieu.westphal@kitware.com>
Merge-request: !11896

Rendering/OpenGL2/Testing/Cxx/TestLabeledDataMappers.cxx

@@ -119,7 +119,7 @@ void AddTextProperties(vtkSmartPointer<vtkFastLabeledDataMapper> mapper)
   AddTextProperty(
     mapper, 8, VTK_TIMES, 18, 1, { 0., 1., 1., 1. }, { 0., 0., 0., 1. }, { 1., 1., 1., 1. });
   AddTextProperty(
-    mapper, 9, VTK_ARIAL, 24, 4, { 1., 5., 5., 1. }, { .5, .5, 1., 1. }, { .5, 1., .5, 1. });
+    mapper, 9, VTK_ARIAL, 24, 4, { 1., .5, .5, 1. }, { .5, .5, 1., 1. }, { .5, 1., .5, 1. });
 }
 
 //-----------------------------------------------------------------------------