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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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)
{
using ImageIterator = itk::ImageRegionConstIterator<TImageType>;
ImageIterator iter(image, image->GetBufferedRegion());
while (!iter.IsAtEnd())
{
if (itk::Math::NotExactlyEquals(iter.Get(), p))
{
return false;
}
++iter;
}
return true;
}
} // namespace
int
itkImageAlgorithmCopyTest2(int, char *[])
{
using Float3DImageType = itk::Image<float, 3>;
using Short3DImageType = itk::Image<short, 3>;
using STDVectorImageType = itk::Image<std::vector<float>, 3>;
using AbsImageType = itk::AbsImageAdaptor<Float3DImageType, short>;
using RegionType = itk::ImageRegion<3>;
RegionType::IndexType index;
index.Fill(0);
RegionType::SizeType size;
size.Fill(64);
RegionType region{ index, size };
auto image1 = Short3DImageType::New();
image1->SetRegions(region);
image1->Allocate();
image1->FillBuffer(13);
auto image2 = Short3DImageType::New();
image2->SetRegions(region);
image2->AllocateInitialized();
auto image3 = Float3DImageType::New();
image3->SetRegions(region);
image3->AllocateInitialized();
std::cout << "Copying two images of same type" << std::endl;
itk::ImageAlgorithm::Copy(image1.GetPointer(), image2.GetPointer(), region, region);
ITK_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);
ITK_TEST_EXPECT_TRUE(CheckBuffer(image3.GetPointer(), 13));
image1->FillBuffer(0);
itk::ImageAlgorithm::Copy(image3.GetPointer(), image1.GetPointer(), region, region);
ITK_TEST_EXPECT_TRUE(CheckBuffer(image1.GetPointer(), 13));
auto 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);
ITK_TEST_EXPECT_TRUE(CheckBuffer(image2.GetPointer(), 13));
auto image4 = STDVectorImageType::New();
image4->SetRegions(region);
image4->Allocate();
image4->FillBuffer(std::vector<float>(10, 3.14));
auto 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);
ITK_TEST_EXPECT_TRUE(CheckBuffer(image5.GetPointer(), std::vector<float>(10, 3.14)));
return EXIT_SUCCESS;
}
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