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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 "itkNotImageFilter.h"
#include "itkTestingMacros.h"
int itkNotImageFilterTest( int, char* [] )
{
// Define the dimension of the images
const unsigned int Dimension = 3;
// Declare the types of the images
typedef bool PixelType;
// Declare the types of the images
typedef itk::Image< PixelType, Dimension > InputImageType;
typedef itk::Image< PixelType, Dimension > OutputImageType;
// Declare the type of the index to access images
typedef itk::Index< Dimension > IndexType;
// Declare the type of the size
typedef itk::Size< Dimension > SizeType;
// Declare the type of the Region
typedef itk::ImageRegion< Dimension > RegionType;
// Declare the type for the filter
typedef itk::NotImageFilter< InputImageType, OutputImageType >
NotImageFilterType;
// Create the input image
InputImageType::Pointer inputImage = InputImageType::New();
// Define their size, and start index
SizeType size;
size[0] = 2;
size[1] = 2;
size[2] = 2;
IndexType start;
start[0] = 0;
start[1] = 0;
start[2] = 0;
RegionType region;
region.SetIndex( start );
region.SetSize( size );
// Initialize input image
inputImage->SetLargestPossibleRegion( region );
inputImage->SetBufferedRegion( region );
inputImage->SetRequestedRegion( region );
inputImage->Allocate();
// Declare appropriate Iterator types for each image
typedef itk::ImageRegionIteratorWithIndex< InputImageType >
InputIteratorType;
typedef itk::ImageRegionIteratorWithIndex< OutputImageType >
OutputIteratorType;
// Create one iterator for Image A (this is a light object)
InputIteratorType it( inputImage, inputImage->GetBufferedRegion() );
it.GoToBegin();
// Initialize the content of Image A
while( !it.IsAtEnd() )
{
it.Set( true );
++it;
}
// Create the filter
NotImageFilterType::Pointer filter = NotImageFilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( filter, NotImageFilter,
UnaryFunctorImageFilter );
// Set the input images
filter->SetInput( inputImage );
filter->SetFunctor( filter->GetFunctor() );
// Execute the filter
filter->Update();
// Get the filter output
OutputImageType::Pointer outputImage = filter->GetOutput();
// Create an iterator for going through the image output
OutputIteratorType ot( outputImage, outputImage->GetBufferedRegion() );
ot.GoToBegin();
// Check the content of the result image
ot.GoToBegin();
it.GoToBegin();
while( !ot.IsAtEnd() )
{
const InputImageType::PixelType input = it.Get();
const OutputImageType::PixelType output = ot.Get();
TEST_EXPECT_EQUAL( input, !output );
++ot;
++it;
}
// All objects should be automatically destroyed at this point
return EXIT_SUCCESS;
}
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