VTK Textured Map Plane + Image Data

Ref: https://vtk.org/Wiki/VTK/Examples/Cxx/Visualization/TextureMapPlane 
Ref: https://vtk.org/Wiki/VTK/Examples/Cxx/Visualization/TextureMapImageData

 ...
   vtkImageCanvasSource2D *imageSource; vtkNEW(imageSource);
    imageSource->SetScalarTypeToUnsignedChar();
    imageSource->SetExtent(0, 10, 0, 10, 0, 0);
    imageSource->SetNumberOfScalarComponents(3);
    imageSource->SetDrawColor(127, 255, 100);
    imageSource->FillBox(0, 10, 0, 10);
    imageSource->SetDrawColor(20, 20, 20);
    imageSource->DrawSegment(0, 0, 9, 9);
    imageSource->DrawSegment(9, 0, 0, 9);
    imageSource->Update();
   
    texture->SetInput(imageSource->GetOutput());


    // Create a plane
    vtkPlaneSource *plane; vtkNEW(plane);
    plane->SetCenter(0.0, 0.0, 0.0);
    plane->SetNormal(0.0, 0.0, -1.0);

    vtkPolyDataMapper *planeMapper; vtkNEW(planeMapper);
    plane->GetOutput()->GetPointData()->SetTCoords(textureCoordinates);
    planeMapper->SetInput(plane->GetOutput());

    vtkActor *texturedPlane; vtkNEW(texturedPlane);
    texturedPlane->SetMapper(planeMapper);
    texturedPlane->SetTexture(texture);

    m_Renderer->AddActor(texturedPlane);