#104 Build fails: error: type 'double' cannot be narrowed to 'int' in initializer list

[Yuri]

On FreeBSD 11.2 with clang-60:

/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Renderer/SliceWindowDecorationRenderer.cxx:83:56: error: type 'double' cannot be narrowed to 'int' in initializer list [-Wc++11-narrowing]
        { AbstractRendererPlatformSupport::TYPEWRITER, elt->GetFontSize() * vppr, true };
                                                       ^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Renderer/SliceWindowDecorationRenderer.cxx:83:56: note: insert an explicit cast to silence this issue
        { AbstractRendererPlatformSupport::TYPEWRITER, elt->GetFontSize() * vppr, true };
                                                       ^~~~~~~~~~~~~~~~~~~~~~~~~
                                                       static_cast<int>(        )
/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Renderer/SliceWindowDecorationRenderer.cxx:186:50: error: type 'double' cannot be narrowed to 'int' in initializer list [-Wc++11-narrowing]
        { AbstractRendererPlatformSupport::SANS, elt->GetFontSize() * vppr, false };
                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Renderer/SliceWindowDecorationRenderer.cxx:186:50: note: insert an explicit cast to silence this issue
        { AbstractRendererPlatformSupport::SANS, elt->GetFontSize() * vppr, false };
                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~
                                                 static_cast<int>(        )
/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Renderer/SliceWindowDecorationRenderer.cxx:328:50: error: type 'float' cannot be narrowed to 'int' in initializer list [-Wc++11-narrowing]
        { AbstractRendererPlatformSupport::SANS, font_size * vppr, false };
                                                 ^~~~~~~~~~~~~~~~

[Yuri]

Also:

/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Model/PolygonDrawingModel.cxx:638:8: error: non-constant-expression cannot be narrowed from type 'int' to 'itk::Size<2>::SizeValueType' (aka 'unsigned long') in initializer list [-Wc++11-narrowing]
    {{ m_Parent->GetSliceSize()[0], m_Parent->GetSliceSize()[1] }};
       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Model/PolygonDrawingModel.cxx:638:8: note: insert an explicit cast to silence this issue
    {{ m_Parent->GetSliceSize()[0], m_Parent->GetSliceSize()[1] }};
       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
       static_cast<SizeValueType>()
/usr/ports/graphics/itk-snap/work/itksnap-3.6.0/GUI/Model/PolygonDrawingModel.cxx:638:37: error: non-constant-expression cannot be narrowed from type 'int' to 'itk::Size<2>::SizeValueType' (aka 'unsigned long') in initializer list [-Wc++11-narrowing]
    {{ m_Parent->GetSliceSize()[0], m_Parent->GetSliceSize()[1] }};
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~