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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 otbConcatenateScalarValueImageFilter_h
#define otbConcatenateScalarValueImageFilter_h
#include "itkMacro.h"
#include "itkUnaryFunctorImageFilter.h"
namespace otb
{
namespace Functor
{
/** \class ConcatenateScalarValueFunctor
*
* \brief TODO
*
*
* \ingroup OTBImageManipulation
*/
template <class TInput, class TOutput>
class ConcatenateScalarValueFunctor
{
public:
typedef TInput InputType;
typedef TOutput OutputType;
typedef typename InputType::ComponentType ComponentType;
ConcatenateScalarValueFunctor() : m_ScalarValue(0)
{
}
virtual ~ConcatenateScalarValueFunctor()
{
}
const ComponentType& GetScalarValue()
{
return m_ScalarValue;
}
void SetScalarValue(const ComponentType& p)
{
m_ScalarValue = p;
}
bool operator!=(const ConcatenateScalarValueFunctor& itkNotUsed(other)) const
{
return false;
}
bool operator==(const ConcatenateScalarValueFunctor& other) const
{
return !(*this != other);
}
OutputType operator()(const InputType& in)
{
OutputType out(in.Size() + 1);
for (unsigned int j = 0; j < in.Size(); ++j)
{
out[j] = in[j];
}
out[in.Size()] = m_ScalarValue;
return out;
}
private:
ComponentType m_ScalarValue;
};
}
/** \class ConcatenateScalarValueImageFilter
*
* \brief Applies a projective projection to each pixel of an image
*
* \ingroup Streamed
* \ingroup Threaded
*
* \ingroup OTBImageManipulation
*/
template <class TInputImage, class TOutputImage>
class ITK_EXPORT ConcatenateScalarValueImageFilter
: public itk::UnaryFunctorImageFilter<TInputImage, TOutputImage,
Functor::ConcatenateScalarValueFunctor<typename TInputImage::PixelType, typename TOutputImage::PixelType>>
{
public:
/** Standard class typedefs. */
typedef ConcatenateScalarValueImageFilter Self;
typedef itk::UnaryFunctorImageFilter<TInputImage, TOutputImage,
Functor::ConcatenateScalarValueFunctor<typename TInputImage::PixelType, typename TOutputImage::PixelType>>
Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
typedef Functor::ConcatenateScalarValueFunctor<typename TInputImage::PixelType, typename TOutputImage::PixelType> FunctorType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ConcatenateScalarValueImageFilter, otb::UnaryFunctorImageFilter);
/** Pixel types. */
typedef typename TInputImage::PixelType InputPixelType;
typedef typename InputPixelType::ComponentType InputComponentType;
typedef typename TOutputImage::PixelType OutputPixelType;
const InputComponentType& GetScalarValue()
{
return this->GetFunctor().GetScalarValue();
}
void SetScalarValue(const InputComponentType& p)
{
this->GetFunctor().SetScalarValue(p);
this->Modified();
}
protected:
ConcatenateScalarValueImageFilter();
~ConcatenateScalarValueImageFilter() override
{
}
void PrintSelf(std::ostream& os, itk::Indent indent) const override;
void GenerateOutputInformation() override;
private:
ConcatenateScalarValueImageFilter(const Self&) = delete;
void operator=(const Self&) = delete;
};
} // end namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbConcatenateScalarValueImageFilter.hxx"
#endif
#endif
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