ENH: Incorporate GitHub Actions from ITKModuleTemplate

This requires the incorporation of 2 yml scripts that will test the module under various configurations for Windows, Linux and MacOS. These scripts were copied from the ITKModuleTemplate. Also, the README was updated.

Author: mseng10

.github/workflows/build-test-package.yml

@@ -0,0 +1,125 @@
+name: Build, test, package
+
+on: [push,pull_request]
+
+jobs:
+  build-test-cxx:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      max-parallel: 3
+      matrix:
+        os: [ubuntu-18.04, windows-2019, macos-10.15]
+        include:
+          - os: ubuntu-18.04
+            c-compiler: "gcc"
+            cxx-compiler: "g++"
+            itk-git-tag: "v5.1.0"
+            cmake-build-type: "MinSizeRel"
+          - os: windows-2019
+            c-compiler: "cl.exe"
+            cxx-compiler: "cl.exe"
+            itk-git-tag: "v5.1.0"
+            cmake-build-type: "Release"
+          - os: macos-10.15
+            c-compiler: "clang"
+            cxx-compiler: "clang++"
+            itk-git-tag: "v5.1.0"
+            cmake-build-type: "MinSizeRel"
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+
+      - name: Install build dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install ninja
+
+      - name: Download ITK
+        run: |
+          cd ..
+          git clone https://github.com/InsightSoftwareConsortium/ITK.git
+          cd ITK
+          git checkout ${{ matrix.itk-git-tag }}
+
+      - name: Build ITK
+        if: matrix.os != 'windows-2019'
+        run: |
+          cd ..
+          mkdir ITK-build
+          cd ITK-build
+          cmake -DCMAKE_C_COMPILER:FILEPATH="${{ matrix.c-compiler }}" -DBUILD_SHARED_LIBS:BOOL=OFF -DCMAKE_CXX_COMPILER="${{ matrix.cxx-compiler }}" -DCMAKE_BUILD_TYPE:STRING=${{ matrix.cmake-build-type }} -DBUILD_TESTING:BOOL=OFF -GNinja ../ITK
+          ninja
+
+      - name: Build ITK
+        if: matrix.os == 'windows-2019'
+        run: |
+          cd ..
+          mkdir ITK-build
+          cd ITK-build
+          echo %cd%
+          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
+          cmake -DCMAKE_C_COMPILER:FILEPATH="${{ matrix.c-compiler }}" -DBUILD_SHARED_LIBS:BOOL=OFF -DCMAKE_CXX_COMPILER="${{ matrix.cxx-compiler }}" -DCMAKE_BUILD_TYPE:STRING=${{ matrix.cmake-build-type }} -DBUILD_TESTING:BOOL=OFF -GNinja ../ITK
+          ninja
+        shell: cmd
+
+      - name: Fetch CTest driver script
+        run: |
+          curl -L https://raw.githubusercontent.com/InsightSoftwareConsortium/ITK/dashboard/itk_common.cmake -O
+
+      - name: Configure CTest script
+        shell: bash
+        run: |
+          operating_system="${{ matrix.os }}"
+          cat > dashboard.cmake << EOF
+          set(CTEST_SITE "GitHubActions")
+          file(TO_CMAKE_PATH "\$ENV{GITHUB_WORKSPACE}/.." CTEST_DASHBOARD_ROOT)
+          file(TO_CMAKE_PATH "\$ENV{GITHUB_WORKSPACE}/" CTEST_SOURCE_DIRECTORY)
+          file(TO_CMAKE_PATH "\$ENV{GITHUB_WORKSPACE}/../build" CTEST_BINARY_DIRECTORY)
+          set(dashboard_source_name "${GITHUB_REPOSITORY}")
+          if(ENV{GITHUB_REF} MATCHES "master")
+            set(branch "-master")
+            set(dashboard_model "Continuous")
+          else()
+            set(branch "-${GITHUB_REF}")
+            set(dashboard_model "Experimental")
+          endif()
+          set(CTEST_BUILD_NAME "${GITHUB_REPOSITORY}-${operating_system}-\${branch}")
+          set(CTEST_UPDATE_VERSION_ONLY 1)
+          set(CTEST_TEST_ARGS \${CTEST_TEST_ARGS} PARALLEL_LEVEL \${PARALLEL_LEVEL})
+          set(CTEST_BUILD_CONFIGURATION "Release")
+          set(CTEST_CMAKE_GENERATOR "Ninja")
+          set(CTEST_CUSTOM_WARNING_EXCEPTION
+            \${CTEST_CUSTOM_WARNING_EXCEPTION}
+            # macOS Azure VM Warning
+            "ld: warning: text-based stub file"
+            )
+          set(dashboard_no_clean 1)
+          set(ENV{CC} ${{ matrix.c-compiler }})
+          set(ENV{CXX} ${{ matrix.cxx-compiler }})
+          set(dashboard_cache "
+          ITK_DIR:PATH=\${CTEST_DASHBOARD_ROOT}/ITK-build
+          BUILD_TESTING:BOOL=ON
+          ")
+          string(TIMESTAMP build_date "%Y-%m-%d")
+          message("CDash Build Identifier: \${build_date} \${CTEST_BUILD_NAME}")
+          message("CTEST_SITE = \${CTEST_SITE}")
+          include(\${CTEST_SCRIPT_DIRECTORY}/itk_common.cmake)
+          EOF
+          cat dashboard.cmake
+
+      - name: Build and test
+        if: matrix.os != 'windows-2019'
+        run: |
+          ctest --output-on-failure -j 2 -V -S dashboard.cmake
+
+      - name: Build and test
+        if: matrix.os == 'windows-2019'
+        run: |
+          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
+          ctest --output-on-failure -j 2 -V -S dashboard.cmake
+        shell: cmd

.github/workflows/clang-format-linter.yml

@@ -0,0 +1,13 @@
+name: clang-format linter
+
+on: [push,pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+      with:
+        fetch-depth: 1
+    - uses: InsightSoftwareConsortium/ITKClangFormatLinterAction@master