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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 "itkImageAlgorithm.h"
#include "itkTestingMacros.h"
#include "itkExtractImageFilter.h"
#include "itkTestingComparisonImageFilter.h"
#include "itkImageAdaptor.h"
#include "itkAbsImageAdaptor.h"
#include "itkMath.h"
namespace {
template < typename TImageType >
bool CheckBuffer( const TImageType* image, typename TImageType::PixelType p )
{
typedef itk::ImageRegionConstIterator<TImageType> ImageIterator;
ImageIterator iter( image, image->GetBufferedRegion() );
while( !iter.IsAtEnd() )
{
if (itk::Math::NotExactlyEquals(iter.Get(), p))
return false;
++iter;
}
return true;
}
}
int itkImageAlgorithmCopyTest2( int, char *[] )
{
typedef itk::Image<float, 3> Float3DImageType;
typedef itk::Image<short, 3> Short3DImageType;
typedef itk::Image<std::vector<float>, 3> STDVectorImageType;
typedef itk::AbsImageAdaptor< Float3DImageType, short > AbsImageType;
typedef itk::ImageRegion<3> RegionType;
RegionType::IndexType index;
index.Fill(0);
RegionType::SizeType size;
size.Fill(64);
RegionType region;
region.SetSize(size);
region.SetIndex(index);
Short3DImageType::Pointer image1 = Short3DImageType::New();
image1->SetRegions( region );
image1->Allocate();
image1->FillBuffer( 13 );
Short3DImageType::Pointer image2 = Short3DImageType::New();
image2->SetRegions( region );
image2->Allocate(true); // initialize buffer to zero
Float3DImageType::Pointer image3 = Float3DImageType::New();
image3->SetRegions( region );
image3->Allocate(true); // initialize buffer to zero
std::cout << "Copying two images of same type" << std::endl;
itk::ImageAlgorithm::Copy( image1.GetPointer(), image2.GetPointer(), region, region );
TEST_EXPECT_TRUE( CheckBuffer( image2.GetPointer(), 13 ) );
std::cout << "Copying images of different types" << std::endl;
itk::ImageAlgorithm::Copy( image1.GetPointer(), image3.GetPointer(), region, region );
TEST_EXPECT_TRUE( CheckBuffer( image3.GetPointer(), 13 ) );
image1->FillBuffer(0);
itk::ImageAlgorithm::Copy( image3.GetPointer(), image1.GetPointer(), region, region );
TEST_EXPECT_TRUE( CheckBuffer( image1.GetPointer(), 13 ) );
AbsImageType::Pointer absimage = AbsImageType::New();
absimage->SetImage( image3 );
image2->FillBuffer( 0 );
std::cout << "Copying from adaptor" << std::endl;
itk::ImageAlgorithm::Copy( absimage.GetPointer(), image2.GetPointer(), region, region );
TEST_EXPECT_TRUE( CheckBuffer( image2.GetPointer(), 13 ) );
STDVectorImageType::Pointer image4 = STDVectorImageType::New();
image4->SetRegions( region );
image4->Allocate();
image4->FillBuffer( std::vector<float>( 10, 3.14) );
STDVectorImageType::Pointer image5 = STDVectorImageType::New();
image5->SetRegions( region );
image5->Allocate();
std::cout << "Copying Non-POD pixels" << std::endl;
itk::ImageAlgorithm::Copy( image4.GetPointer(), image5.GetPointer(), region, region );
TEST_EXPECT_TRUE( CheckBuffer( image5.GetPointer(), std::vector<float>( 10, 3.14) ) );
return EXIT_SUCCESS;
}
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