MagickReader.h

 
#pragma once
 
#if defined(MagickReader_RECURSES)
#error Recursive header files inclusion detected in MagickReader.h
#else // defined(MagickReader_RECURSES)
 
#define MagickReader_RECURSES
 
#if !defined MagickReader_h
 
#define MagickReader_h
 
// Inclusions
#include <iostream>
#include <string>
#include <cstdio>
 
#if defined(WITH_MAGICK)
// Specific inclusion method to fix warning with GraphicsMagic 1.3.31 and Clang.
// The warning comes from two "diagnostic pop" with missing corresponding push.
// "MagickLibAddendum" is defined in ImageMagick since 9 years but not in GraphicsMagic.
#  if !defined(MagickLibAddendum) && defined(__clang__)
#    pragma clang diagnostic push
#    pragma clang diagnostic push
#    include <Magick++.h>
#    if MagickLibVersion != 0x221900
#      pragma clang diagnostic pop
#      pragma clang diagnostic pop
#    endif
#  else
#    include <Magick++.h>
#  endif
#else // defined WITH_MAGICK
#  error "DGtal has not been built with imagemagick support. Consider adding -DWITH_MAGICK=true when building the project with cmake."
#endif // defined WITH_MAGICK
 
 
#include "DGtal/base/CUnaryFunctor.h"
#include "DGtal/base/Common.h"
 
namespace DGtal
{
  namespace functors
  {
    template<typename TValue>
    struct MagickCast
    {
      Cast<TValue> myCast;
      TValue operator()(const Color &col) const
      {
        return myCast( col.red() + col.green() + col.blue() );
      }
    };
    
    template<>  
    struct MagickCast<Color>
    {
      Color operator()(const Color &col) const
      {
        return col;
      }
    };
  } 
  
  // template class MagickReader
  template <typename TImageContainer, typename TFunctor=  functors::MagickCast< typename TImageContainer::Value > >
  struct MagickReader
  {
    // ----------------------- Standard services ------------------------------
  public:
 
    typedef TImageContainer ImageContainer;
    typedef typename TImageContainer::Domain::Vector Vector;
    typedef typename TImageContainer::Value Value;    
    typedef TFunctor Functor ;
 
    BOOST_STATIC_ASSERT( (ImageContainer::Domain::dimension == 2));
 
    static ImageContainer importImage(const std::string & filename, 
                                      const Functor & aFunctor =  Functor(), 
                                      bool topbotomOrder = true);
    
  }; // end of class MagickReader
 
 
} // namespace DGtal
 
 
// Includes inline functions.
#include "DGtal/io/readers/MagickReader.ih"
 
//                                                                           //
 
#endif // !defined MagickReader_h
 
#undef MagickReader_RECURSES
#endif // else defined(MagickReader_RECURSES)