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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 "itkImageFileReader.h"
#include "itkPipelineMonitorImageFilter.h"
#include "itkStreamingImageFilter.h"
#include "itkTestingMacros.h"
int
itkImageFileReaderStreamingTest(int argc, char * argv[])
{
if (argc < 2)
{
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv)
<< " input [expected-to-stream 1|0 [ force-no-streaming 1|0] ]" << std::endl;
return EXIT_FAILURE;
}
unsigned int numberOfDataPieces = 4;
bool expectedToStream = true;
if (argc > 2)
{
if (std::stoi(argv[2]) != 1)
{
expectedToStream = false;
}
}
bool forceNoStreamingInput = false;
if (argc > 3)
{
if (std::stoi(argv[3]) == 1)
{
forceNoStreamingInput = true;
}
}
using PixelType = unsigned char;
using ImageType = itk::Image<PixelType, 3>;
using ReaderType = itk::ImageFileReader<ImageType>;
auto reader = ReaderType::New();
reader->SetFileName(argv[1]);
bool useStreaming = true;
ITK_TEST_SET_GET_BOOLEAN(reader, UseStreaming, useStreaming);
using MonitorFilter = itk::PipelineMonitorImageFilter<ImageType>;
auto monitor = MonitorFilter::New();
monitor->SetInput(reader->GetOutput());
using StreamingFilter = itk::StreamingImageFilter<ImageType, ImageType>;
auto streamer = StreamingFilter::New();
streamer->SetInput(monitor->GetOutput());
streamer->SetNumberOfStreamDivisions(numberOfDataPieces);
try
{
if (forceNoStreamingInput)
{
monitor->UpdateLargestPossibleRegion();
}
else
{
streamer->Update();
}
}
catch (const itk::ExceptionObject & err)
{
std::cerr << "ExceptionObject caught !" << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
bool passed = true;
if (expectedToStream)
{
if (!monitor->VerifyAllInputCanStream(numberOfDataPieces))
{
passed = false;
}
}
else
{
if (!monitor->VerifyAllInputCanNotStream())
{
passed = false;
}
}
if (!passed)
{
std::cout << monitor << std::endl;
std::cout << "pipeline did not execute as expected!" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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