itkGreenPixelAccessor.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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 itkGreenPixelAccessor_h
#define itkGreenPixelAccessor_h
 
#include "itkRGBPixel.h"
 
namespace itk
{
template <typename T>
class GreenPixelAccessor
{
public:
  using Self = GreenPixelAccessor;
 
  using ExternalType = T;
 
  using InternalType = RGBPixel<T>;
 
  inline void
  Set(InternalType & output, const ExternalType & input) const
  {
    output.SetGreen(input);
  }
 
  inline const ExternalType &
  Get(const InternalType & input) const
  {
    return input.GetGreen();
  }
 
  bool
  operator!=(const Self &) const
  {
    return false;
  }
 
  bool
  operator==(const Self & other) const
  {
    return !(*this != other);
  }
};
} // end namespace itk
 
#endif