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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 <fstream>
#include "itkIsolatedConnectedImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include "itkTestingMacros.h"
int
itkIsolatedConnectedImageFilterTest(int argc, char * argv[])
{
if (argc < 8)
{
std::cerr << "Missing parameters." << std::endl;
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv)
<< " InputImage OutputImage FindUpper seed1_x seed1_y seed2_x seed2_y [seed1_x2 seed1_y2"
" seed2_x2 seed2_y2]"
<< std::endl;
return EXIT_FAILURE;
}
using PixelType = unsigned char;
using myImage = itk::Image<PixelType, 2>;
itk::ImageFileReader<myImage>::Pointer input = itk::ImageFileReader<myImage>::New();
input->SetFileName(argv[1]);
// Create a filter
using FilterType = itk::IsolatedConnectedImageFilter<myImage, myImage>;
auto filter = FilterType::New();
itk::SimpleFilterWatcher watcher(filter);
filter->SetInput(input->GetOutput());
FilterType::IndexType seed1;
#if !defined(ITK_LEGACY_REMOVE)
seed1[0] = std::stoi(argv[4]);
seed1[1] = std::stoi(argv[5]);
filter->SetSeed1(seed1); // deprecated method
seed1[0] = std::stoi(argv[6]);
seed1[1] = std::stoi(argv[7]);
filter->SetSeed2(seed1); // deprecated method
#endif
// Clear the seeds and then add all of the seeds
filter->ClearSeeds1();
filter->ClearSeeds2();
for (int i = 4; i < argc; i += 4)
{
seed1[0] = std::stoi(argv[i]);
seed1[1] = std::stoi(argv[i + 1]);
filter->AddSeed1(seed1);
seed1[0] = std::stoi(argv[i + 2]);
seed1[1] = std::stoi(argv[i + 3]);
filter->AddSeed2(seed1);
}
// The min and max values for a .png image
FilterType::InputImagePixelType lower = 0;
filter->SetLower(lower);
ITK_TEST_SET_GET_VALUE(lower, filter->GetLower());
#if !defined(ITK_LEGACY_REMOVE)
FilterType::InputImagePixelType upperValueLimit = 255;
filter->SetUpperValueLimit(upperValueLimit);
ITK_TEST_SET_GET_VALUE(upperValueLimit, filter->GetUpperValueLimit());
#endif
FilterType::InputImagePixelType upper = 255;
filter->SetUpper(upper);
ITK_TEST_SET_GET_VALUE(upper, filter->GetUpper());
FilterType::OutputImagePixelType replaceValue = 255;
filter->SetReplaceValue(replaceValue);
ITK_TEST_SET_GET_VALUE(replaceValue, filter->GetReplaceValue());
FilterType::InputImagePixelType isolatedValueTolerance = 1;
filter->SetIsolatedValueTolerance(isolatedValueTolerance);
ITK_TEST_SET_GET_VALUE(isolatedValueTolerance, filter->GetIsolatedValueTolerance());
auto findUpperThreshold = static_cast<bool>(std::stoi(argv[3]));
ITK_TEST_SET_GET_BOOLEAN(filter, FindUpperThreshold, findUpperThreshold);
ITK_TRY_EXPECT_NO_EXCEPTION(input->Update());
ITK_TRY_EXPECT_NO_EXCEPTION(filter->Update());
bool thresholdingFailed = filter->GetThresholdingFailed();
if (thresholdingFailed)
{
std::cout << "Selection of isolating threshold failed" << std::endl;
}
else
{
std::cout << "Selection of isolating threshold succeeded" << std::endl;
}
// Generate test image
itk::ImageFileWriter<myImage>::Pointer writer;
writer = itk::ImageFileWriter<myImage>::New();
writer->SetInput(filter->GetOutput());
writer->SetFileName(argv[2]);
ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
// Now flip the mode to test whether it fails
ITK_TEST_SET_GET_BOOLEAN(filter, FindUpperThreshold, !findUpperThreshold);
ITK_TRY_EXPECT_NO_EXCEPTION(filter->Update());
thresholdingFailed = filter->GetThresholdingFailed();
if (thresholdingFailed)
{
std::cout << "When mode flipped: Selection of isolating threshold failed" << std::endl;
}
else
{
std::cout << "When mode flipped: Selection of isolating threshold succeeded" << std::endl;
}
std::cout << "Test finished." << std::endl;
return EXIT_SUCCESS;
}
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