/usr/include/ITK-4.5/itkAddPixelAccessor.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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*
* Copyright Insight Software Consortium
*
* 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
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkAddPixelAccessor_h
#define __itkAddPixelAccessor_h
#include "itkNumericTraits.h"
namespace itk
{
namespace Accessor
{
/** \class AddPixelAccessor
* \brief Simulates the effect of adding a constant value to all pixels
*
* This class is intended to be used as parameter of
* an ImageAdaptor to make an image appear as having
* pixels with intensity values increased by a constant amount.
*
* \sa ImageAdaptor
* \ingroup ImageAdaptors
* \ingroup ITKImageAdaptors
*
* \wiki
* \wikiexample{ImageProcessing/AddPixelAccessor,Add a constant to every pixel without duplicating the image in memory (an accessor)}
* \endwiki
*/
template< typename TPixel >
class AddPixelAccessor
{
public:
/** Standard class typedefs. */
typedef AddPixelAccessor Self;
/** External typedef. It defines the external aspect
* that this class will exhibit */
typedef TPixel ExternalType;
/** Internal typedef. It defines the internal real
* representation of data */
typedef TPixel InternalType;
/** Write access to the pixel */
inline void Set(InternalType & output, const ExternalType & input) const
{ output = static_cast< InternalType >( input - m_Value ); }
/** Read access to the pixel */
inline ExternalType Get(const InternalType & input) const
{ return static_cast< ExternalType >( input + m_Value ); }
/** Set the value to be added to pixels */
void SetValue(const TPixel & newvalue)
{ m_Value = newvalue; }
/** Get the value to be added to pixels */
TPixel GetValue() const
{ return m_Value; }
/** Assignment Operator */
Self & operator=(const Self & apa)
{
this->m_Value = apa.m_Value;
return *this;
}
/** Constructors */
AddPixelAccessor():m_Value(NumericTraits< TPixel >::Zero) {}
AddPixelAccessor(const Self & apa):m_Value(apa.m_Value) {}
private:
TPixel m_Value;
};
} // end namespace Accessor
} // end namespace itk
#endif
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