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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.
*
*=========================================================================*/
#ifndef itkImageVectorOptimizerParametersHelper_hxx
#define itkImageVectorOptimizerParametersHelper_hxx
namespace itk
{
/** Move the data pointer */
template <typename TValue, unsigned int VVectorDimension, unsigned int VImageDimension>
void
ImageVectorOptimizerParametersHelper<TValue, VVectorDimension, VImageDimension>::MoveDataPointer(
CommonContainerType * container,
TValue * pointer)
{
if (m_ParameterImage.IsNull())
{
itkGenericExceptionMacro("ImageVectorOptimizerParametersHelper::"
"MoveDataPointer: m_ParameterImage must be defined.");
}
// The buffer for Image<Vector> points to Vector type, not TValue, so
// have to cast.
using vectorElement = typename ParameterImageType::PixelContainer::Element;
auto * vectorPointer = reinterpret_cast<vectorElement *>(pointer);
// We're expecting the new memory buffer t be of same size.
unsigned int sizeInVectors = m_ParameterImage->GetPixelContainer()->Size();
// After this call, PixelContainer will *not* manage its memory.
this->m_ParameterImage->GetPixelContainer()->SetImportPointer(vectorPointer, sizeInVectors);
Superclass::MoveDataPointer(container, pointer);
}
/** Set parameter image */
template <typename TValue, unsigned int VVectorDimension, unsigned int VImageDimension>
void
ImageVectorOptimizerParametersHelper<TValue, VVectorDimension, VImageDimension>::SetParametersObject(
CommonContainerType * container,
LightObject * object)
{
if (object == nullptr)
{
m_ParameterImage = nullptr;
return;
}
else
{
auto * image = dynamic_cast<ParameterImageType *>(object);
if (image == nullptr)
{
itkGenericExceptionMacro("ImageVectorOptimizerParametersHelper::SetParametersObject: object is "
"not of proper image type. Expected VectorImage, received "
<< object->GetNameOfClass());
}
m_ParameterImage = image;
// The PixelContainer for Image<Vector> points to type Vector, so we have
// to determine the number of raw elements of type TValue in the buffer
// and cast a pointer to it for assignment to the Array data pointer.
typename CommonContainerType::SizeValueType sz = image->GetPixelContainer()->Size() * VVectorDimension;
auto * valuePointer = reinterpret_cast<TValue *>(image->GetPixelContainer()->GetBufferPointer());
// Set the Array's pointer to the image data buffer. By default it will
// not manage the memory.
container->SetData(valuePointer, sz, false);
}
}
} // namespace itk
#endif
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