/usr/include/OTB-6.4/otbShiftScaleImageAdaptor.h is in libotb-dev 6.4.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2005-2017 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 otbShiftScaleImageAdaptor_h
#define otbShiftScaleImageAdaptor_h
#include "vnl/vnl_math.h"
#include "itkImageAdaptor.h"
namespace otb
{
namespace Accessor
{
/** \class ShiftScalePixelAccessor
* \brief Apply a shift scale operation to the value
*
* ShiftScalePixelAccessor shifts the input pixel by Shift
* and then scales the pixel by Scale. All computations
* are performed in the precision of the input pixel's RealType
*
* ShiftScalePixelAccessor is templated over an internal type and an
* external type representation. This class cast the input
* applies the function to it and cast the result according
* to the types defined as template parameters
*
* \ingroup ImageAdaptors
*
* \ingroup OTBImageManipulation
*/
template <class TPixelType, class TExternalType>
class ITK_EXPORT ShiftScalePixelAccessor
{
public:
/** External typedef. It defines the external aspect
* that this class will exhibit. */
typedef TExternalType ExternalType;
/** Internal typedef. It defines the internal real
* representation of data. */
typedef typename itk::NumericTraits<TPixelType>::RealType InternalType;
InternalType GetShift() const
{
return m_Shift;
}
void SetShift(InternalType value)
{
m_Shift = value;
}
InternalType GetScale() const
{
return m_Scale;
}
void SetScale(InternalType value)
{
m_Scale = value;
}
inline void Set(InternalType& output, const ExternalType& input)
{
output = static_cast<InternalType>(m_Scale * (static_cast<InternalType>(input) + m_Shift));
}
inline const ExternalType Get(const InternalType& input) const
{
return static_cast<ExternalType>(m_Scale * (static_cast<InternalType>(input) + m_Shift));
}
private:
InternalType m_Shift;
InternalType m_Scale;
};
} // end namespace Accessor
/** \class ShiftScaleImageAdaptor
* \brief Presents an image as being composed of the shift scale operation of its pixels
*
* Additional casting is performed according to the input and output image
* types following C++ default casting rules.
*
* \ingroup ImageAdaptors
*
* \ingroup OTBImageManipulation
*/
template <class TImage, class TOutputPixelType>
class ITK_EXPORT ShiftScaleImageAdaptor : public
itk::ImageAdaptor<TImage, Accessor::ShiftScalePixelAccessor<
typename TImage::PixelType,
TOutputPixelType> >
{
public:
/** Standard class typedefs. */
typedef ShiftScaleImageAdaptor Self;
typedef itk::ImageAdaptor<
TImage,
Accessor::ShiftScalePixelAccessor<typename TImage::PixelType, TOutputPixelType>
> Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
typedef typename TImage::PixelType InternalType;
typedef typename Superclass::IndexType IndexType;
typedef typename Accessor::ShiftScalePixelAccessor<
typename TImage::PixelType,
TOutputPixelType> AccessorType;
typedef typename AccessorType::ExternalType PixelType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ShiftScaleImageAdaptor, ImageAdaptor);
typename TImage::PixelType GetShift() const
{
itkDebugMacro("returning " << " m_Shift of " << this->GetPixelAccessor().GetShift());
return this->GetPixelAccessor().GetShift();
}
virtual void SetShift(typename TImage::PixelType value)
{
itkDebugMacro("setting m_Shift to " << value);
if (this->GetPixelAccessor().GetShift() != value)
{
this->GetPixelAccessor().SetShift(value);
this->Modified();
}
}
typename TImage::PixelType GetScale() const
{
itkDebugMacro("returning " << " m_Scale of " << this->GetPixelAccessor().GetScale());
return this->GetPixelAccessor().GetScale();
}
virtual void SetScale(typename TImage::PixelType value)
{
itkDebugMacro("setting m_Scale to " << value);
if (this->GetPixelAccessor().GetScale() != value)
{
this->GetPixelAccessor().SetScale(value);
this->Modified();
}
}
protected:
ShiftScaleImageAdaptor() {}
~ShiftScaleImageAdaptor() ITK_OVERRIDE {}
private:
ShiftScaleImageAdaptor(const Self &); //purposely not implemented
void operator =(const Self&); //purposely not implemented
};
} // end namespace otb
#endif
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