elxMaskHasSameImageDomain.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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
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#ifndef itkImageDomain_h
#define itkImageDomain_h
 
#include <itkImageBase.h>
#include <itkImageMaskSpatialObject.h>
#include <itkDeref.h>
 
namespace elastix
{
enum class MaskCondition
{
  IsNull,
  HasSameImageDomain,
  HasDifferentImageDomain
};
 
template <unsigned int VImageDimension>
bool
MaskHasSameImageDomain(const itk::ImageMaskSpatialObject<VImageDimension> & mask,
                       const itk::ImageBase<VImageDimension> &              inputImage)
{
  const auto & maskImage = itk::Deref(mask.GetImage());
  return maskImage.GetLargestPossibleRegion() == inputImage.GetLargestPossibleRegion() &&
         maskImage.GetOrigin() == inputImage.GetOrigin() && maskImage.GetSpacing() == inputImage.GetSpacing() &&
         maskImage.GetDirection() == inputImage.GetDirection();
}
} // namespace elastix
 
#endif