cmake_minimum_required(VERSION 3.22.1)

project(ApplyGradientRecursiveGaussian)

find_package(ITK 4.7.0 REQUIRED)

add_executable(${PROJECT_NAME} Code.cxx)
target_link_libraries(${PROJECT_NAME}
  PRIVATE
    ITK::ITKImageIO
    ITK::ITKCommonModule
    ITK::ITKImageGradientModule
    ITK::ITKImageIntensityModule
)

install(TARGETS ${PROJECT_NAME}
  DESTINATION bin/ITKSphinxExamples/Filtering/ImageGradient/
  COMPONENT Runtime
  )

install(FILES Code.cxx CMakeLists.txt Code.py
  DESTINATION share/ITKSphinxExamples/Code/Filtering/ImageGradient/ApplyGradientRecursiveGaussian
  COMPONENT Code
  )


enable_testing()

set(input_image ${CMAKE_CURRENT_SOURCE_DIR}/Gourds.png)
set(output_image OutputX.png OutputY.png OutputMagnitude.png)

add_test(NAME ApplyGradientRecursiveGaussianTest
  COMMAND ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${PROJECT_NAME}
  ${input_image}
  ${output_image}
  )

if(ITK_WRAP_PYTHON)
  string(REPLACE . "Python." output_image "${output_image}")
  add_test(NAME ApplyGradientRecursiveGaussianTestPython
    COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/Code.py
      ${input_image}
      ${output_image}
    )
endif()
