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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkCropImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:30:06 $
Version: $Revision: 1.8 $
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 "itkImage.h"
#include "itkImageRegionIterator.h"
#include "itkCropImageFilter.h"
#include "itkFileOutputWindow.h"
#include "itkStreamingImageFilter.h"
#include "itkFilterWatcher.h"
int itkCropImageFilterTest(int, char* [] )
{
itk::FileOutputWindow::Pointer fow = itk::FileOutputWindow::New();
fow->SetInstance(fow);
// typedefs to simplify the syntax
typedef itk::Image<short, 2> SimpleImage;
SimpleImage::Pointer simpleImage = SimpleImage::New();
std::cout << "Simple image spacing: " << simpleImage->GetSpacing()[0] << ", "
<< simpleImage->GetSpacing()[1] << std::endl;
// typedefs to simplify the syntax
typedef itk::Image<short, 2> ShortImage;
// Test the creation of an image with native type
ShortImage::Pointer if2 = ShortImage::New();
// fill in an image
ShortImage::IndexType index = {{0, 0}};
ShortImage::SizeType size = {{8, 12}};
ShortImage::RegionType region;
region.SetSize( size );
region.SetIndex( index );
if2->SetLargestPossibleRegion( region );
if2->SetBufferedRegion( region );
if2->Allocate();
itk::ImageRegionIterator<ShortImage> iterator(if2, region);
short i=0;
for (; !iterator.IsAtEnd(); ++iterator, ++i)
{
iterator.Set( i );
}
std::cout << "Input Image: " << if2 << std::endl;
// Create a filter
itk::CropImageFilter< ShortImage, ShortImage >::Pointer extract;
extract = itk::CropImageFilter< ShortImage, ShortImage >::New();
FilterWatcher watcher(extract);
extract->SetInput( if2 );
ShortImage::RegionType requestedRegion;
ShortImage::SizeType extractSize = {{8, 12}};
extractSize[0] = 1; extractSize[1] = 1;
extract->SetUpperBoundaryCropSize(extractSize);
extract->SetLowerBoundaryCropSize(extractSize);
extract->UpdateLargestPossibleRegion();
requestedRegion = extract->GetOutput()->GetRequestedRegion();
if (extract->GetOutput()->GetLargestPossibleRegion().GetSize()[0] != 6
|| extract->GetOutput()->GetLargestPossibleRegion().GetSize()[1] != 10)
{
return EXIT_FAILURE;
}
if (extract->GetOutput()->GetLargestPossibleRegion().GetIndex()[0] != 1
|| extract->GetOutput()->GetLargestPossibleRegion().GetIndex()[1] != 1)
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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