png++  0.2.1
ga_pixel.hpp
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1 /*
2  * Copyright (C) 2007,2008 Alex Shulgin
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4  * This file is part of png++ the C++ wrapper for libpng. PNG++ is free
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31 #ifndef PNGPP_GA_PIXEL_HPP_INCLUDED
32 #define PNGPP_GA_PIXEL_HPP_INCLUDED
33 
34 #include <limits>
35 
36 #include "types.hpp"
37 #include "pixel_traits.hpp"
38 
39 namespace png
40 {
41 
45  template< typename T >
47  {
48  typedef pixel_traits< basic_ga_pixel< T > > traits;
49 
56  : value(value), alpha(alpha)
57  {
58  }
59 
60  T value;
61  T alpha;
62  };
63 
68 
73 
77  template< typename T >
78  struct pixel_traits< basic_ga_pixel< T > >
79  : basic_pixel_traits< basic_ga_pixel< T >, T, color_type_ga >,
81  {
82  };
83 
84 } // namespace png
85 
86 #endif // PNGPP_GA_PIXEL_HPP_INCLUDED