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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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 <fstream>
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkPipelineMonitorImageFilter.h"
int itkImageFileWriterStreamingTest1(int argc, char* argv[])
{
if( argc < 3 )
{
std::cerr << "Usage: " << argv[0] << " input output [existingFile [ no-streaming 1|0] ]" << std::endl;
return EXIT_FAILURE;
}
// We remove the output file
if (argc == 3)
{
itksys::SystemTools::RemoveFile( argv[2] );
}
else
{
// copy this file to over write
itksys::SystemTools::CopyAFile(argv[3], argv[2]);
}
unsigned int numberOfDataPieces = 4;
bool forceNoStreamingInput = false;
if ( argc > 4 )
{
if ( atoi( argv[4] ) == 1 )
forceNoStreamingInput = true;
}
typedef unsigned char PixelType;
typedef itk::Image<PixelType,3> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typedef itk::ImageFileWriter< ImageType > WriterType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
reader->SetUseStreaming( true );
typedef itk::PipelineMonitorImageFilter<ImageType> MonitorFilter;
MonitorFilter::Pointer monitor = MonitorFilter::New();
monitor->SetInput(reader->GetOutput());
if ( forceNoStreamingInput )
{
monitor->UpdateLargestPossibleRegion();
monitor->VerifyAllInputCanNotStream();
}
// Setup the writer
WriterType::Pointer writer = WriterType::New();
writer->SetFileName( argv[2] );
writer->SetInput(monitor->GetOutput());
writer->SetNumberOfStreamDivisions(numberOfDataPieces);
try
{
writer->Update();
}
catch( itk::ExceptionObject & err )
{
std::cerr << "ExceptionObject caught !" << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
bool passed = true;
if( !forceNoStreamingInput )
{
if( !monitor->VerifyAllInputCanStream(numberOfDataPieces) )
{
passed = false;
}
}
else
{
if( !monitor->VerifyAllNoUpdate() )
{
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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