/usr/include/ITK-4.9/itkDefaultPixelAccessor.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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 itkDefaultPixelAccessor_h
#define itkDefaultPixelAccessor_h
#include "itkMacro.h"
namespace itk
{
/**
* \class DefaultPixelAccessor
* \brief Give access to partial aspects a type
*
* DefaultPixelAccessor is templated over an internal type and an
* external type representation. This class encapsulates a
* customized conversion between the internal and external
* type representations.
*
* PixelAccessor is the class responsible for pixel-to-pixel
* transformation during image data access. The DefaultPixelAccessor
* is an identity operation on the pixel value. It only exist in
* order to standarize the way in which pixels are accessed.
*
* PixelAccessor are used by ImageAdaptors in order to present
* an Image as being of a different type. The usual application
* of ImageAccessors is Image casting, by avoiding the overhead
* of an ImageFilter that performs the complete transformation
*
* \sa ImageAdaptor
* \sa PixelAccessor
* \sa Image
*
* \ingroup ImageAdaptors
*
* \ingroup ITKCommon
*/
template< typename TType >
class DefaultPixelAccessor
{
public:
DefaultPixelAccessor() {}
virtual ~DefaultPixelAccessor() {}
/** External typedef. It defines the external aspect
* that this class will exhibit. */
typedef TType ExternalType;
/** Internal typedef. It defines the internal real
* representation of data. */
typedef TType InternalType;
/** Set the pixel. */
inline void Set(TType & output, const TType & input) const
{ output = input; }
/** Get the pixel. */
inline TType & Get(TType & input) const
{ return input; }
/** Get a const reference to the pixel. */
inline const TType & Get(const TType & input) const
{ return input; }
};
} // end namespace itk
#endif
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