ENH: Add itk::GrayscaleGrindPeakImageFilter class test

Add `itk::GrayscaleGrindPeakImageFilter` class test.

Author: jhlegarreta

Modules/Filtering/MathematicalMorphology/test/Baseline/itkGrayscaleGrindPeakImageFilterTest.png.sha512

@@ -0,0 +1 @@
+fa7eb2b24ade1f2f29348858d65146a0864f60903810ce2a330776b4f74ef29fa62a4d390ba7b1116a60e954462f3e46ae316b389903ab3438240e73272ab548

Modules/Filtering/MathematicalMorphology/test/CMakeLists.txt

@@ -12,6 +12,7 @@ itkGrayscaleFunctionErodeImageFilterTest.cxx
 itkGrayscaleMorphologicalClosingImageFilterTest.cxx
 itkGrayscaleMorphologicalOpeningImageFilterTest.cxx
 itkGrayscaleGeodesicErodeDilateImageFilterTest.cxx
+itkGrayscaleGrindPeakImageFilterTest.cxx
 itkHConcaveImageFilterTest.cxx
 itkHConvexImageFilterTest.cxx
 itkHConvexConcaveImageFilterTest.cxx
@@ -136,6 +137,11 @@ itk_add_test(NAME itkGrayscaleGeodesicErodeDilateImageFilterTest
     --compare DATA{${ITK_DATA_ROOT}/Baseline/BasicFilters/HMaximaMinimaImageFilterTest.png}
               ${ITK_TEST_OUTPUT_DIR}/itkGrayscaleGeodesicErodeDilateImageFilterTest.png
     itkGrayscaleGeodesicErodeDilateImageFilterTest DATA{${ITK_DATA_ROOT}/Input/cake_easy.png} ${ITK_TEST_OUTPUT_DIR}/itkGrayscaleGeodesicErodeDilateImageFilterTest.png 35)
+itk_add_test(NAME itkGrayscaleGrindPeakImageFilterTest
+      COMMAND ITKMathematicalMorphologyTestDriver
+    --compare DATA{Baseline/itkGrayscaleGrindPeakImageFilterTest.png}
+              ${ITK_TEST_OUTPUT_DIR}/itkGrayscaleGrindPeakImageFilterTest.png
+    itkGrayscaleGrindPeakImageFilterTest DATA{${ITK_DATA_ROOT}/Input/cthead1.png} ${ITK_TEST_OUTPUT_DIR}/itkGrayscaleGrindPeakImageFilterTest.png 0)
 itk_add_test(NAME itkHConcaveImageFilterTestFullyConnectedOff
       COMMAND ITKMathematicalMorphologyTestDriver
     --compare-MD5 ${ITK_TEST_OUTPUT_DIR}/itkHConcaveImageFilterTestFullyConnectedOff.png

Modules/Filtering/MathematicalMorphology/test/itkGrayscaleGrindPeakImageFilterTest.cxx

@@ -0,0 +1,83 @@
+/*=========================================================================
+ *
+ *  Copyright NumFOCUS
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0.txt
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *=========================================================================*/
+
+//
+
+#include "itkImageFileReader.h"
+#include "itkImageFileWriter.h"
+
+#include "itkGrayscaleGrindPeakImageFilter.h"
+#include "itkTestingMacros.h"
+
+int
+itkGrayscaleGrindPeakImageFilterTest(int argc, char * argv[])
+{
+  if (argc < 3)
+  {
+    std::cerr << "Missing arguments." << std::endl;
+    std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv) << " inputImageFile"
+              << " outputImageFile"
+              << " fullyConnected" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+
+  //
+  //  The following code defines the input and output pixel types and their
+  //  associated image types.
+  //
+  constexpr unsigned int Dimension = 2;
+
+  using InputPixelType = unsigned char;
+  using OutputPixelType = unsigned char;
+  using WritePixelType = unsigned char;
+
+  using InputImageType = itk::Image<InputPixelType, Dimension>;
+  using OutputImageType = itk::Image<OutputPixelType, Dimension>;
+  using WriteImageType = itk::Image<WritePixelType, Dimension>;
+
+  using ReaderType = itk::ImageFileReader<InputImageType>;
+  ReaderType::Pointer reader = ReaderType::New();
+  reader->SetFileName(argv[1]);
+
+
+  // Create the filter
+  using GrindPeakFilterType = itk::GrayscaleGrindPeakImageFilter<InputImageType, OutputImageType>;
+  GrindPeakFilterType::Pointer grindpeak = GrindPeakFilterType::New();
+
+  ITK_EXERCISE_BASIC_OBJECT_METHODS(grindpeak, GrayscaleGrindPeakImageFilter, ImageToImageFilter);
+
+  grindpeak->SetInput(reader->GetOutput());
+
+  auto fullyConnected = static_cast<bool>(std::stoi(argv[3]));
+  ITK_TEST_SET_GET_BOOLEAN(grindpeak, FullyConnected, fullyConnected);
+
+  ITK_TRY_EXPECT_NO_EXCEPTION(grindpeak->Update());
+
+  // Write the output
+  using WriterType = itk::ImageFileWriter<WriteImageType>;
+  WriterType::Pointer writer = WriterType::New();
+  writer->SetFileName(argv[2]);
+  writer->SetInput(grindpeak->GetOutput());
+
+  ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
+
+
+  std::cout << "Test finished" << std::endl;
+  return EXIT_SUCCESS;
+}