ecency-mobile/ios/Pods/boost-for-react-native/boost/gil/rgba.hpp

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2.2 KiB
C++

/*
Copyright 2005-2007 Adobe Systems Incorporated
Use, modification and distribution are subject to 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).
See http://opensource.adobe.com/gil for most recent version including documentation.
*/
/*************************************************************************************************/
#ifndef GIL_RGBA_H
#define GIL_RGBA_H
////////////////////////////////////////////////////////////////////////////////////////
/// \file
/// \brief Support for RGBA color space and variants
/// \author Lubomir Bourdev and Hailin Jin \n
/// Adobe Systems Incorporated
/// \date 2005-2007 \n Last updated on October 10, 2007
////////////////////////////////////////////////////////////////////////////////////////
#include <cstddef>
#include "gil_config.hpp"
#include <boost/mpl/contains.hpp>
#include "rgb.hpp"
#include "planar_pixel_iterator.hpp"
namespace boost { namespace gil {
/// \ingroup ColorNameModel
/// \brief Alpha
struct alpha_t {};
/// \ingroup ColorSpaceModel
typedef mpl::vector4<red_t,green_t,blue_t,alpha_t> rgba_t;
/// \ingroup LayoutModel
typedef layout<rgba_t> rgba_layout_t;
/// \ingroup LayoutModel
typedef layout<rgba_t, mpl::vector4_c<int,2,1,0,3> > bgra_layout_t;
/// \ingroup LayoutModel
typedef layout<rgba_t, mpl::vector4_c<int,1,2,3,0> > argb_layout_t;
/// \ingroup LayoutModel
typedef layout<rgba_t, mpl::vector4_c<int,3,2,1,0> > abgr_layout_t;
/// \ingroup ImageViewConstructors
/// \brief from raw RGBA planar data
template <typename IC>
inline
typename type_from_x_iterator<planar_pixel_iterator<IC,rgba_t> >::view_t
planar_rgba_view(std::size_t width, std::size_t height,
IC r, IC g, IC b, IC a,
std::ptrdiff_t rowsize_in_bytes) {
typedef typename type_from_x_iterator<planar_pixel_iterator<IC,rgba_t> >::view_t RView;
return RView(width, height,
typename RView::locator(planar_pixel_iterator<IC,rgba_t>(r,g,b,a),
rowsize_in_bytes));
}
} } // namespace boost::gil
#endif