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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkImageIteratorWithIndexTest.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:30:09 $
Version: $Revision: 1.7 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include "itkImage.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "itkImageRegionConstIteratorWithIndex.h"
template <typename TPixelType>
class IteratorTester
{
public:
typedef TPixelType PixelType;
typedef itk::Image< PixelType, 3 > ImageType;
typedef itk::ImageRegionIteratorWithIndex<
ImageType > IteratorType;
typedef itk::ImageRegionConstIteratorWithIndex<
ImageType > ConstIteratorType;
IteratorTester( const PixelType & value )
{
m_Image = ImageType::New();
typename ImageType::SizeType size;
size.Fill(100);
typename ImageType::IndexType start;
start.Fill(0);
typename ImageType::RegionType region;
region.SetSize( size );
region.SetIndex( start );
m_Image->SetRegions( region );
m_Image->Allocate();
m_Image->FillBuffer( value );
}
void TestIterator()
{
IteratorType it( m_Image, m_Image->GetBufferedRegion() );
it.GoToBegin();
while( !it.IsAtEnd() )
{
PixelType value = it.Get();
it.Set( value );
++it;
}
}
bool TestConstIterator()
{
ConstIteratorType it( m_Image, m_Image->GetBufferedRegion() );
it.GoToBegin();
while( !it.IsAtEnd() )
{
PixelType value = it.Get();
if( value != it.Get() ) // check repeatibility
{
return false;
}
++it;
}
return true;
}
private:
typename ImageType::Pointer m_Image;
};
int itkImageIteratorWithIndexTest(int, char* [] )
{
bool testPassed = true; // let's be optimistic
// Instantiate image of various types and
// test the iterators on them
std::cout << "Testing with Image< char, 3 > " << std::endl;
IteratorTester< char > TesterC( 127 );
TesterC.TestIterator();
TesterC.TestConstIterator();
std::cout << "Testing with Image< unsigned char, 3 > " << std::endl;
IteratorTester< unsigned char > TesterUC( 255 );
TesterUC.TestIterator();
TesterUC.TestConstIterator();
std::cout << "Testing with Image< short, 3 > " << std::endl;
IteratorTester< short > TesterS( 255 );
TesterS.TestIterator();
TesterS.TestConstIterator();
std::cout << "Testing with Image< unsigned short, 3 > " << std::endl;
IteratorTester< unsigned short > TesterUS( 255 );
TesterUS.TestIterator();
TesterUS.TestConstIterator();
std::cout << "Testing with Image< int, 3 > " << std::endl;
IteratorTester< int > TesterI( 255 );
TesterI.TestIterator();
TesterI.TestConstIterator();
std::cout << "Testing with Image< unsigned int, 3 > " << std::endl;
IteratorTester< unsigned int > TesterUI( 255 );
TesterUI.TestIterator();
TesterUI.TestConstIterator();
std::cout << "Testing with Image< float, 3 > " << std::endl;
IteratorTester< float > TesterF( 255.0 );
TesterF.TestIterator();
TesterF.TestConstIterator();
std::cout << "Testing with Image< double, 3 > " << std::endl;
IteratorTester< double > TesterD( 255.0 );
TesterD.TestIterator();
TesterD.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<char,4>, 3 > " << std::endl;
typedef itk::Vector<char,4> VC;
VC vc;
vc.Fill( 127 );
IteratorTester< VC > TesterVC( vc );
TesterVC.TestIterator();
TesterVC.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<unsigned char,4>, 3 > " << std::endl;
typedef itk::Vector<unsigned char,4> VUC;
VUC vuc;
vuc.Fill( 255 );
IteratorTester< VUC > TesterVUC( vuc );
TesterVUC.TestIterator();
TesterVUC.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<short,4>, 3 > " << std::endl;
typedef itk::Vector<short,4> VS;
VS vs;
vs.Fill( 255 );
IteratorTester< VS > TesterVS( vs );
TesterVS.TestIterator();
TesterVS.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<unsigned short,4>, 3 > " << std::endl;
typedef itk::Vector<unsigned short,4> VUS;
VUS vus;
vus.Fill( 255 );
IteratorTester< VUS > TesterVUS( vus );
TesterVUS.TestIterator();
TesterVUS.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<int,4>, 3 > " << std::endl;
typedef itk::Vector<int,4> VI;
VI vi;
vi.Fill( 255 );
IteratorTester< VI > TesterVI( vi );
TesterVI.TestIterator();
TesterVI.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<unsigned int,4>, 3 > " << std::endl;
typedef itk::Vector<unsigned int,4> VUI;
VUI vui;
vui.Fill( 255 );
IteratorTester< VUI > TesterVUI( vui );
TesterVUI.TestIterator();
TesterVUI.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<float,4>, 3 > " << std::endl;
typedef itk::Vector<float,4> VF;
VF vf;
vf.Fill( 255 );
IteratorTester< VF > TesterVF( vf );
TesterVF.TestIterator();
TesterVF.TestConstIterator();
std::cout << "Testing with Image< itk::Vector<double,4>, 3 > " << std::endl;
typedef itk::Vector<double,4> VD;
VD vd;
vd.Fill( 255 );
IteratorTester< VD > TesterVD( vd );
TesterVD.TestIterator();
TesterVD.TestConstIterator();
if ( !testPassed )
{
std::cout << "Failed" << std::endl;
return EXIT_FAILURE;
}
std::cout << "Success" << std::endl;
return EXIT_SUCCESS;
}
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