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device_n.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_DEVICE_N_HPP
#define BOOST_GIL_DEVICE_N_HPP
#include <boost/gil/metafunctions.hpp>
#include <boost/gil/utilities.hpp>
#include <boost/gil/detail/mp11.hpp>
#include <boost/config.hpp>
#include <cstddef>
#include <type_traits>
namespace boost { namespace gil {
// TODO: Document the DeviceN Color Space and Color Model
// with reference to the Adobe documentation
// https://www.adobe.com/content/dam/acom/en/devnet/postscript/pdfs/TN5604.DeviceN_Color.pdf
template <int N>
struct devicen_color_t {};
template <int N>
struct devicen_t;
template <int N>
struct devicen_t
{
private:
template <typename T>
using color_t = devicen_color_t<T::value>;
static_assert(
(1 <= N && N <= 5),
"invalid number of DeviceN color components");
public:
using type = mp11::mp_transform<color_t, mp11::mp_iota_c<N>>;
};
template <int N>
struct devicen_layout_t : layout<typename devicen_t<N>::type> {};
template <typename IC>
inline
auto planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, std::ptrdiff_t rowsize_in_bytes)
-> typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<2>>>::view_t
{
using view_t = typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<2>>>::view_t;
return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1), rowsize_in_bytes));
}
template <typename IC>
inline
auto planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, IC c2, std::ptrdiff_t rowsize_in_bytes)
-> typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<3>>>::view_t
{
using view_t = typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<3>>>::view_t;
return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2), rowsize_in_bytes));
}
template <typename IC>
inline
auto planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, IC c2, IC c3, std::ptrdiff_t rowsize_in_bytes)
-> typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<4>>>::view_t
{
using view_t = typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<4>>>::view_t;
return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2,c3), rowsize_in_bytes));
}
template <typename IC>
inline
auto planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, IC c2, IC c3, IC c4, std::ptrdiff_t rowsize_in_bytes)
-> typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<5>>>::view_t
{
using view_t = typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<5>>>::view_t;
return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2,c3,c4), rowsize_in_bytes));
}
}} // namespace boost::gil
#endif
boost::gil::planar_devicen_view
auto planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, std::ptrdiff_t rowsize_in_bytes) -> typename type_from_x_iterator< planar_pixel_iterator< IC, devicen_t< 2 > > >::view_t
from 2-channel planar data
Definition: device_n.hpp:62
boost
defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
Definition: algorithm.hpp:36
boost::gil::devicen_color_t
unnamed color
Definition: device_n.hpp:30
boost::gil::devicen_layout_t
unnamed color layout of up to five channels
Definition: device_n.hpp:56
boost::gil::devicen_t
Unnamed color space of 1, 2, 3, 4, or 5 channels.
Definition: device_n.hpp:40
boost::gil::layout
Represents a color space and ordering of channels in memory.
Definition: utilities.hpp:268
boost::gil::type_from_x_iterator
Given a pixel iterator defining access to pixels along a row, returns the types of the corresponding ...
Definition: metafunctions.hpp:303