| /* |
| 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 |