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Olena  User documentation 2.1
An Image Processing Platform
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rgb_to_hsl.cc
1 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
6 // the terms of the GNU General Public License as published by the Free
7 // Software Foundation, version 2 of the License.
8 //
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11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
16 //
17 // As a special exception, you may use this file as part of a free
18 // software project without restriction. Specifically, if other files
19 // instantiate templates or use macros or inline functions from this
20 // file, or you compile this file and link it with other files to produce
21 // an executable, this file does not by itself cause the resulting
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23 // exception does not however invalidate any other reasons why the
24 // executable file might be covered by the GNU General Public License.
25 
26 #include <mln/core/image/image2d.hh>
27 
28 #include <mln/value/hsl.hh>
29 #include <mln/value/rgb8.hh>
30 
31 #include <mln/fun/v2v/rgb_to_hsl.hh>
32 
33 #include <mln/data/compare.hh>
34 #include <mln/data/transform.hh>
35 
36 #include <mln/make/image.hh>
37 
38 #include <mln/debug/println.hh>
39 
40 using mln::value::rgb8;
41 using mln::value::hsl_f;
42 
43 rgb8 dat[][2] = { { rgb8(0,0,0), rgb8(255,255,255) },
44  { rgb8(128,128,128), rgb8(90,90, 90) } };
45 
46 hsl_f ref[][2] = { { hsl_f(0,0,0), hsl_f(0,0,1.0) },
47  { hsl_f(0,0,128.0 / 255.0), hsl_f(0,0,90.0 / 255.0) } };
48 
49 int main()
50 {
51  using namespace mln;
52 
54  image2d<hsl_f> ref_ima = make::image(ref);
55  image2d<hsl_f> ima_hsl = data::transform(ima,
57 
58  mln_assertion(ima_hsl == ref_ima);
59 }