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/*
* Copyright (C) 2005-2022 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 otbVectorImageToASPixelAccessor_h
#define otbVectorImageToASPixelAccessor_h
#include "itkVector.h"
namespace otb
{
namespace Accessor
{
/**
* \class VectorImageToASPixelAccessor
* \brief Give access to a Vector pixel type as if it were a RGBPixel type.
*
* This class is intended to be used as parameter of
* an ImageAdaptor to make an Vector image appear as being
* an image of RGB pixel type.
*
* \sa ImageAdaptor
* \ingroup ImageAdaptors
*
*
* \ingroup OTBCommon
*/
template <class T>
class ITK_EXPORT VectorImageToASPixelAccessor
{
public:
/** Standard class typedefs. */
typedef VectorImageToASPixelAccessor Self;
/** External typedef. It defines the external aspect
* that this class will exhibit */
typedef itk::FixedArray<T, 3> ExternalType;
/** Internal typedef. It defines the internal real
* representation of data */
typedef itk::Vector<T, 3> InternalType;
/** Write access to the VectorToRGB component */
inline void Set(InternalType& output, const ExternalType& input) const
{
output[0] = input[0];
output[1] = input[1];
output[2] = input[2];
}
/** Read access to the VectorToRGB component */
inline ExternalType Get(const InternalType& input) const
{
ExternalType rgb(input.GetDataPointer());
return rgb;
}
private:
};
} // end namespace Accessor
} // end namespace otb
#endif
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