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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 "itkConnectedThresholdImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkFilterWatcher.h"
#include "itkTestingMacros.h"
int itkConnectedThresholdImageFilterTest( int argc, char* argv[] )
{
if( argc < 7 )
{
std::cerr << "Usage: " << argv[0]
<< " InputImage OutputImage "
<< "seed_x seed_y "
<< "LowerConnectedThreshold UpperConnectedThreshold "
<< "Connectivity[1=Full,0=Face]" << std::endl;
return -1;
}
// Define the dimension of the images
const unsigned int Dimension = 2;
// Define the pixel types of the images
typedef unsigned char PixelType;
// Define the types of the images
typedef itk::Image< PixelType, Dimension > ImageType;
itk::ImageFileReader< ImageType >::Pointer imageReader =
itk::ImageFileReader< ImageType >::New();
std::string inputImageFilename = argv[1];
imageReader->SetFileName( inputImageFilename );
TRY_EXPECT_NO_EXCEPTION( imageReader->Update(); );
// Create the filter
typedef itk::ConnectedThresholdImageFilter< ImageType, ImageType >
ConnectedThresholdImageFilterType;
ConnectedThresholdImageFilterType::Pointer connectedThresholdFilter =
ConnectedThresholdImageFilterType::New();
FilterWatcher watcher( connectedThresholdFilter );
EXERCISE_BASIC_OBJECT_METHODS( connectedThresholdFilter,
ConnectedThresholdImageFilter, ImageToImageFilter );
ConnectedThresholdImageFilterType::IndexType seed;
seed[0] = atoi( argv[3] );
seed[1] = atoi( argv[4] );
connectedThresholdFilter->AddSeed( seed );
ConnectedThresholdImageFilterType::SeedContainerType seedContainer =
connectedThresholdFilter->GetSeeds();
connectedThresholdFilter->ClearSeeds();
seedContainer = connectedThresholdFilter->GetSeeds();
if( seedContainer.size() != 0 )
{
std::cerr << "Test FAILED !" << std::endl;
std::cerr << "Seed container not empty after clearing filter seed container !" << std::endl;
return EXIT_FAILURE;
}
connectedThresholdFilter->SetSeed( seed );
ConnectedThresholdImageFilterType::InputPixelObjectType * lowerInputPixelObject =
connectedThresholdFilter->GetLowerInput();
connectedThresholdFilter->SetLower( lowerInputPixelObject->Get() );
TEST_SET_GET_VALUE( lowerInputPixelObject->Get(), connectedThresholdFilter->GetLower() );
ConnectedThresholdImageFilterType::InputPixelObjectType * upperInputPixelObject =
connectedThresholdFilter->GetUpperInput();
connectedThresholdFilter->SetUpper( upperInputPixelObject->Get() );
TEST_SET_GET_VALUE( upperInputPixelObject->Get(), connectedThresholdFilter->GetUpper() );
ConnectedThresholdImageFilterType::InputImagePixelType lowerThreshold = atoi( argv[5] );
connectedThresholdFilter->SetLower( lowerThreshold );
TEST_SET_GET_VALUE( lowerThreshold, connectedThresholdFilter->GetLower() );
ConnectedThresholdImageFilterType::InputImagePixelType upperThreshold = atoi( argv[6] );
connectedThresholdFilter->SetUpper( upperThreshold );
TEST_SET_GET_VALUE( upperThreshold, connectedThresholdFilter->GetUpper() );
ConnectedThresholdImageFilterType::OutputImagePixelType replaceValue = 255;
connectedThresholdFilter->SetReplaceValue( replaceValue );
TEST_SET_GET_VALUE( replaceValue, connectedThresholdFilter->GetReplaceValue() );
// Test the use of full (8 connectivity in 2D) on this image
if( argc > 7 )
{
ConnectedThresholdImageFilterType::ConnectivityEnumType conenctivity = atoi( argv[7] ) ?
ConnectedThresholdImageFilterType::FullConnectivity : ConnectedThresholdImageFilterType::FaceConnectivity;
connectedThresholdFilter->SetConnectivity( conenctivity );
TEST_SET_GET_VALUE( conenctivity, connectedThresholdFilter->GetConnectivity() );
}
connectedThresholdFilter->SetInput( imageReader->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( connectedThresholdFilter->Update(); );
// Write the output image
itk::ImageFileWriter< ImageType >::Pointer writer =
itk::ImageFileWriter< ImageType >::New();
std::string outputImageFilename = argv[2];
writer->SetFileName( outputImageFilename );
writer->SetInput( connectedThresholdFilter->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
return EXIT_SUCCESS;
}
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