$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
draw/line.hh
1 // Copyright (C) 2007, 2008, 2009, 2012, 2013 EPITA Research and
2 // Development 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 //
10 // Olena is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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 
27 #ifndef MLN_DRAW_LINE_HH
28 # define MLN_DRAW_LINE_HH
29 
35 
36 # include <mln/core/concept/image.hh>
37 # include <mln/core/site_set/p_line2d.hh>
38 # include <mln/core/image/imorph/safe.hh>
39 # include <mln/data/paste.hh>
40 # include <mln/pw/image.hh>
41 # include <mln/pw/cst.hh>
42 
43 
44 namespace mln
45 {
46 
47  namespace draw
48  {
49 
64  template <typename I>
65  void line(Image<I>& ima,
66  const mln_psite(I)& beg, const mln_psite(I)& end,
67  const mln_value(I)& v);
68 
69 
70 # ifndef MLN_INCLUDE_ONLY
71 
72  template <typename I>
73  inline
74  void line(Image<I>& ima_,
75  const mln_psite(I)& beg, const mln_psite(I)& end,
76  const mln_value(I)& v)
77  {
78  I& ima = exact(ima_);
79  mln_precondition(ima.is_valid());
80  if (! ima.has(beg))
81  mln_trace_warning("Begin site is not part of the given image.");
82  if (! ima.has(end))
83  mln_trace_warning("End site is not part of the given image.");
84  data::paste(pw::cst(v) | p_line2d(beg, end),
85  safe(ima).rw());
86  }
87 
88 # endif // ! MLN_INCLUDE_ONLY
89 
90  } // end of namespace mln::draw
91 
92 } // end of namespace mln
93 
94 
95 #endif // ! MLN_DRAW_LINE_HH