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Olena  User documentation 2.1
An Image Processing Platform
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draw/line.cc
1 // Copyright (C) 2007, 2008, 2009, 2013 EPITA Research and Development
2 // Laboratory (LRDE)
3 //
4 // This file is part of Olena.
5 //
6 // Olena is free software: you can redistribute it and/or modify it under
7 // the terms of the GNU General Public License as published by the Free
8 // Software Foundation, version 2 of the License.
9 //
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
17 //
18 // As a special exception, you may use this file as part of a free
19 // software project without restriction. Specifically, if other files
20 // instantiate templates or use macros or inline functions from this
21 // file, or you compile this file and link it with other files to produce
22 // an executable, this file does not by itself cause the resulting
23 // executable to be covered by the GNU General Public License. This
24 // exception does not however invalidate any other reasons why the
25 // executable file might be covered by the GNU General Public License.
26 
29 
30 #include <mln/core/image/image2d.hh>
31 #include <mln/core/image/dmorph/sub_image.hh>
32 
33 #include <mln/data/fill.hh>
34 #include <mln/data/compare.hh>
35 #include <mln/draw/line.hh>
36 #include <mln/debug/println.hh>
37 
38 int main()
39 {
40  using namespace mln;
41 
42  point2d p1 = point2d(0,0);
43  point2d p2 = point2d(6,9);
44  p_line2d l(p1, p2);
45  mln_assertion(l.nsites() == 10);
46 
47  image2d<bool> ima(10,10);
48  data::fill(ima, false);
49  draw::line(ima, p1, p2, true);
50 
51  image2d<bool> ima2(10,10);
52  data::fill(ima2, false);
53  data::paste(pw::cst(true) | l, ima2);
54  mln_assertion(ima2 == ima);
55 
56  image2d<bool> ima3(10,10);
57  data::fill(ima3, false);
58  data::fill((ima3 | l).rw(), true);
59  mln_assertion(ima3 == ima);
60 }