itkConvertPixelBuffer.h

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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 itkConvertPixelBuffer_h
#define itkConvertPixelBuffer_h
#include "ITKIOImageBaseExport.h"

#include "itkObject.h"
#include "itkNumericTraits.h"
#include "itkEnableIf.h"

namespace itk
{
template<
  typename InputPixelType,
  typename OutputPixelType,
  typename OutputConvertTraits
  >
class ITK_TEMPLATE_EXPORT ConvertPixelBuffer
{
public:

  typedef typename OutputConvertTraits::ComponentType OutputComponentType;
  typedef ConvertPixelBuffer                          Self;

  static void Convert(InputPixelType *inputData,
                      int inputNumberOfComponents,
                      OutputPixelType *outputData, size_t size);

  static void ConvertVectorImage(InputPixelType *inputData,
                                 int inputNumberOfComponents,
                                 OutputPixelType *outputData, size_t size);

protected:
  static void ConvertGrayToGray(InputPixelType *inputData,
                                OutputPixelType *outputData, size_t size);

  static void ConvertRGBToGray(InputPixelType *inputData,
                               OutputPixelType *outputData, size_t size);

  static void ConvertRGBAToGray(InputPixelType *inputData,
                                OutputPixelType *outputData, size_t size);

  static void ConvertMultiComponentToGray(InputPixelType *inputData,
                                          int inputNumberOfComponents,
                                          OutputPixelType *outputData,
                                          size_t size);

  static void ConvertGrayToRGB(InputPixelType *inputData,
                               OutputPixelType *outputData, size_t size);

  static void ConvertRGBToRGB(InputPixelType *inputData,
                              OutputPixelType *outputData, size_t size);

  static void ConvertRGBAToRGB(InputPixelType *inputData,
                               OutputPixelType *outputData, size_t size);

  static void ConvertMultiComponentToRGB(InputPixelType *inputData,
                                         int inputNumberOfComponents,
                                         OutputPixelType *outputData,
                                         size_t size);

  static void ConvertGrayToRGBA(InputPixelType *inputData,
                                OutputPixelType *outputData, size_t size);

  static void ConvertRGBToRGBA(InputPixelType *inputData,
                               OutputPixelType *outputData, size_t size);

  static void ConvertRGBAToRGBA(InputPixelType *inputData,
                                OutputPixelType *outputData, size_t size);

  static void ConvertMultiComponentToRGBA(InputPixelType *inputData,
                                          int inputNumberOfComponents,
                                          OutputPixelType *outputData,
                                          size_t size);

  static void ConvertTensor6ToTensor6(InputPixelType *inputData,
                                      OutputPixelType *outputData, size_t size);

  static void ConvertTensor9ToTensor6(InputPixelType *inputData,
                                      OutputPixelType *outputData, size_t size);

  static void ConvertGrayToComplex(InputPixelType *inputData,
                                   OutputPixelType *OutputData, size_t size);

  static void ConvertComplexToComplex(InputPixelType *inputData,
                                      OutputPixelType *outputData, size_t size);

  static void ConvertMultiComponentToComplex(InputPixelType *inputData,
                                             int inputNumberOfComponents,
                                             OutputPixelType *outputData, size_t size);

  template <typename UComponentType>
  static typename DisableIfC<
    NumericTraits< UComponentType >::IsInteger, UComponentType>::Type
  DefaultAlphaValue( void );

  template <typename UComponentType>
  static typename EnableIfC<
    NumericTraits< UComponentType >::IsInteger, UComponentType>::Type
  DefaultAlphaValue( void );

private:
  ConvertPixelBuffer();
  ~ConvertPixelBuffer();

};
} //namespace ITK

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkConvertPixelBuffer.hxx"
#endif

#endif // itkConvertPixelBuffer_h