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itkShapeRelabelImageFilterTest1.cxx
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itkShapeRelabelImageFilterTest1.cxx
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/*=========================================================================
*
* 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
*
* https://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 "itkSimpleFilterWatcher.h"
#include "itkShapeRelabelImageFilter.h"
#include "itkTestingMacros.h"
int
itkShapeRelabelImageFilterTest1(int argc, char * argv[])
{
if (argc != 6)
{
std::cerr << "Missing parameters." << std::endl;
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
std::cerr << " background";
std::cerr << " reverseOrdering attribute" << std::endl;
return EXIT_FAILURE;
}
constexpr unsigned int dim = 2;
using IType = itk::Image<unsigned char, dim>;
using ReaderType = itk::ImageFileReader<IType>;
auto reader = ReaderType::New();
reader->SetFileName(argv[1]);
using RelabelType = itk::ShapeRelabelImageFilter<IType>;
auto opening = RelabelType::New();
opening->SetInput(reader->GetOutput());
// testing get/set BackgroundValue macro
int BackgroundValue = (std::stoi(argv[3]));
opening->SetBackgroundValue(BackgroundValue);
ITK_TEST_SET_GET_VALUE(BackgroundValue, opening->GetBackgroundValue());
// testing boolean macro for ReverseOrdering
opening->ReverseOrderingOn();
ITK_TEST_SET_GET_VALUE(true, opening->GetReverseOrdering());
opening->ReverseOrderingOff();
ITK_TEST_SET_GET_VALUE(false, opening->GetReverseOrdering());
// testing get and set macros or ReverseOrdering
bool reverseOrdering = std::stoi(argv[4]);
opening->SetReverseOrdering(reverseOrdering);
ITK_TEST_SET_GET_VALUE(reverseOrdering, opening->GetReverseOrdering());
// testing get and set macros for Attribute
opening->SetAttribute(RelabelType::LabelObjectType::FERET_DIAMETER);
ITK_TEST_SET_GET_VALUE(RelabelType::LabelObjectType::FERET_DIAMETER, opening->GetAttribute());
const std::string attributeByName{ argv[5] };
opening->SetAttribute(attributeByName); // SetAttribute accepts a string for conversion to internal label code
const RelabelType::AttributeType attributeByCode = RelabelType::LabelObjectType::LABEL;
ITK_TEST_SET_GET_VALUE(attributeByCode, opening->GetAttribute());
itk::SimpleFilterWatcher watcher(opening, "filter");
using WriterType = itk::ImageFileWriter<IType>;
auto writer = WriterType::New();
writer->SetInput(opening->GetOutput());
writer->SetFileName(argv[2]);
writer->UseCompressionOn();
ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
std::cout << "Test Complete!" << std::endl;
return EXIT_SUCCESS;
}