1 | /* |
2 | Copyright 2005-2007 Adobe Systems Incorporated |
3 | |
4 | Use, modification and distribution are subject to the Boost Software License, |
5 | Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
6 | http://www.boost.org/LICENSE_1_0.txt). |
7 | |
8 | See http://opensource.adobe.com/gil for most recent version including documentation. |
9 | */ |
10 | /*************************************************************************************************/ |
11 | |
12 | #ifndef GIL_RGBA_H |
13 | #define GIL_RGBA_H |
14 | |
15 | //////////////////////////////////////////////////////////////////////////////////////// |
16 | /// \file |
17 | /// \brief Support for RGBA color space and variants |
18 | /// \author Lubomir Bourdev and Hailin Jin \n |
19 | /// Adobe Systems Incorporated |
20 | /// \date 2005-2007 \n Last updated on October 10, 2007 |
21 | //////////////////////////////////////////////////////////////////////////////////////// |
22 | |
23 | #include <cstddef> |
24 | #include "gil_config.hpp" |
25 | #include <boost/mpl/contains.hpp> |
26 | #include "rgb.hpp" |
27 | #include "planar_pixel_iterator.hpp" |
28 | |
29 | namespace boost { namespace gil { |
30 | |
31 | /// \ingroup ColorNameModel |
32 | /// \brief Alpha |
33 | struct alpha_t {}; |
34 | |
35 | /// \ingroup ColorSpaceModel |
36 | typedef mpl::vector4<red_t,green_t,blue_t,alpha_t> rgba_t; |
37 | |
38 | /// \ingroup LayoutModel |
39 | typedef layout<rgba_t> rgba_layout_t; |
40 | /// \ingroup LayoutModel |
41 | typedef layout<rgba_t, mpl::vector4_c<int,2,1,0,3> > bgra_layout_t; |
42 | /// \ingroup LayoutModel |
43 | typedef layout<rgba_t, mpl::vector4_c<int,1,2,3,0> > argb_layout_t; |
44 | /// \ingroup LayoutModel |
45 | typedef layout<rgba_t, mpl::vector4_c<int,3,2,1,0> > abgr_layout_t; |
46 | |
47 | /// \ingroup ImageViewConstructors |
48 | /// \brief from raw RGBA planar data |
49 | template <typename IC> |
50 | inline |
51 | typename type_from_x_iterator<planar_pixel_iterator<IC,rgba_t> >::view_t |
52 | planar_rgba_view(std::size_t width, std::size_t height, |
53 | IC r, IC g, IC b, IC a, |
54 | std::ptrdiff_t rowsize_in_bytes) { |
55 | typedef typename type_from_x_iterator<planar_pixel_iterator<IC,rgba_t> >::view_t RView; |
56 | return RView(width, height, |
57 | typename RView::locator(planar_pixel_iterator<IC,rgba_t>(r,g,b,a), |
58 | rowsize_in_bytes)); |
59 | } |
60 | |
61 | } } // namespace boost::gil |
62 | |
63 | #endif |
64 | |