rgb.hpp

//
// Copyright 2005-2007 Adobe Systems Incorporated
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#ifndef BOOST_GIL_RGB_HPP
#define BOOST_GIL_RGB_HPP

#include <boost/gil/metafunctions.hpp>
#include <boost/gil/planar_pixel_iterator.hpp>

#include <boost/mpl/range_c.hpp>
#include <boost/mpl/vector_c.hpp>

#include <cstddef>

namespace boost { namespace gil {


struct red_t {};

struct green_t {};

struct blue_t {};

using rgb_t = mpl::vector3<red_t,green_t,blue_t>;

using rgb_layout_t = layout<rgb_t>;
using bgr_layout_t = layout<rgb_t, mpl::vector3_c<int,2,1,0>>;

template <typename IC>
inline
typename type_from_x_iterator<planar_pixel_iterator<IC,rgb_t> >::view_t
planar_rgb_view(std::size_t width, std::size_t height,
                IC r, IC g, IC b,
                std::ptrdiff_t rowsize_in_bytes)
{
    using view_t = typename type_from_x_iterator<planar_pixel_iterator<IC,rgb_t>>::view_t;
    return view_t(width, height,
                 typename view_t::locator(planar_pixel_iterator<IC,rgb_t>(r,g,b),
                                         rowsize_in_bytes));
}

}}  // namespace boost::gil

#endif