cvd/colourspaces.h

/*
    This file is part of the CVD Library.

    Copyright (C) 2005 The Authors

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/
#ifndef CVD_COLOURSPACES_H
#define CVD_COLOURSPACES_H

#include <cvd/internal/is_pod.h>
#include <cvd/internal/builtin_components.h>
#include <cvd/internal/pixel_traits.h>

namespace CVD
{

    struct bayer
    {
        unsigned char val;
        operator unsigned char() const {
            return val;
        }
        template <typename T> bayer( T in ) : val((unsigned char) in)
        {}
        bayer(void) : val(0)
        {}
    };

    struct yuv411
    {
        unsigned char val;
    };

    struct yuv422
    {
        unsigned short val;
    };

    struct yuv420p
    {
        unsigned short val;
    };
    
    struct vuy422
    {
        unsigned short val;
    };

  namespace Pixel {
      // Should be able to delete the following, since Component now defaults to 1 for unknown types
      //template<> struct Component<bayer> : public component_base<bayer, 1>
      //{
      //};
      
        template<int LIFT> struct traits<bayer, LIFT>
        {
            typedef int wider_type;
            typedef float float_type;
            static const bool integral = true;
            static const bool is_signed = false;
            static const int bits_used = 8;
            static const unsigned char max_intensity=(1 << bits_used) - 1;
        };
    }

   
#ifndef DOXYGEN_IGNORE_INTERNAL
    namespace Internal
    {
      template<> struct is_POD<bayer>
      {
    enum { is_pod = 1 };
      };
      template<> struct is_POD<yuv411>
      {
    enum { is_pod = 1 };
      };
    }
#endif
}

#endif

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