CornerAnnotation

#include <vtkActor.h>
#include <vtkCornerAnnotation.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSphereSource.h>
#include <vtkTextProperty.h>

int main(int, char*[])
{
  vtkNew<vtkNamedColors> colors;

  vtkNew<vtkSphereSource> sphereSource;
  sphereSource->Update();

  vtkNew<vtkPolyDataMapper> mapper;
  mapper->SetInputConnection(sphereSource->GetOutputPort());

  vtkNew<vtkActor> actor;
  actor->SetMapper(mapper);
  actor->GetProperty()->SetColor(colors->GetColor3d("MistyRose").GetData());

  // Visualize
  vtkNew<vtkRenderer> renderer;
  vtkNew<vtkRenderWindow> renderWindow;
  renderWindow->AddRenderer(renderer);
  renderWindow->SetWindowName("CornerAnnotation");

  vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
  renderWindowInteractor->SetRenderWindow(renderWindow);
  renderer->AddActor(actor);
  renderer->SetBackground(colors->GetColor3d("DarkSlateGray").GetData());

  vtkNew<vtkCornerAnnotation> cornerAnnotation;
  cornerAnnotation->SetLinearFontScaleFactor(2);
  cornerAnnotation->SetNonlinearFontScaleFactor(1);
  cornerAnnotation->SetMaximumFontSize(20);
  cornerAnnotation->SetText(0, "lower left");
  cornerAnnotation->SetText(1, "lower right");
  cornerAnnotation->SetText(2, "upper left");
  cornerAnnotation->SetText(3, "upper right");
  cornerAnnotation->GetTextProperty()->SetColor(
      colors->GetColor3d("Gold").GetData());

  renderer->AddViewProp(cornerAnnotation);

  renderWindow->Render();
  renderWindowInteractor->Start();

  return EXIT_SUCCESS;
}

cmake_minimum_required(VERSION 3.12 FATAL_ERROR)

project(CornerAnnotation)

find_package(VTK COMPONENTS 
  CommonColor
  CommonCore
  FiltersSources
  InteractionStyle
  RenderingAnnotation
  RenderingContextOpenGL2
  RenderingCore
  RenderingFreeType
  RenderingGL2PSOpenGL2
  RenderingOpenGL2
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "CornerAnnotation: Unable to find the VTK build folder.")
endif()

# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
add_executable(CornerAnnotation MACOSX_BUNDLE CornerAnnotation.cxx )
  target_link_libraries(CornerAnnotation PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
  TARGETS CornerAnnotation
  MODULES ${VTK_LIBRARIES}
)

cd CornerAnnotation/build

cmake ..

cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

make

./CornerAnnotation