mitkRGBToRGBACastImageFilter.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/

#ifndef MITKRGBTORGBACASTIMAGEFILTER_H_HEADER_INCLUDED
#define MITKRGBTORGBACASTIMAGEFILTER_H_HEADER_INCLUDED

#include "mitkImageTimeSelector.h"
#include "mitkImageToImageFilter.h"
#include <MitkCoreExports.h>

#include <itkRGBPixel.h>

namespace itk
{
  template <class TPixel, unsigned int VImageDimension>
  class ITK_EXPORT Image;
}

namespace mitk
{
  //##Documentation
  //## @brief
  //## @ingroup Process
  class MITKCORE_EXPORT RGBToRGBACastImageFilter : public ImageToImageFilter
  {
  public:
    mitkClassMacro(RGBToRGBACastImageFilter, ImageToImageFilter);

    itkFactorylessNewMacro(Self);

    itkCloneMacro(Self);

      static bool IsRGBImage(const mitk::Image *image);

  protected:
    // Typedefs for supported RGB pixel types
    typedef itk::RGBPixel<unsigned char> UCRGBPixelType;
    typedef itk::RGBPixel<unsigned short> USRGBPixelType;
    typedef itk::RGBPixel<float> FloatRGBPixelType;
    typedef itk::RGBPixel<double> DoubleRGBPixelType;

    RGBToRGBACastImageFilter();

    ~RGBToRGBACastImageFilter() override;

    void GenerateInputRequestedRegion() override;

    void GenerateOutputInformation() override;

    void GenerateData() override;

    template <typename TPixel, unsigned int VImageDimension>
    void InternalCast(itk::Image<TPixel, VImageDimension> *itkImage,
                      mitk::RGBToRGBACastImageFilter *addComponentFilter,
                      typename TPixel::ComponentType defaultAlpha);

    mitk::ImageTimeSelector::Pointer m_InputTimeSelector;
    mitk::ImageTimeSelector::Pointer m_OutputTimeSelector;

    //##Description
    //## @brief Time when Header was last initialized
    itk::TimeStamp m_TimeOfHeaderInitialization;
  };

} // namespace mitk

#endif /* MITKRGBTORGBACASTIMAGEFILTER_H_HEADER_INCLUDED */