DGtal  0.9.2
ImageFromSet.ih
1 /**
2  * This program is free software: you can redistribute it and/or modify
3  * it under the terms of the GNU Lesser General Public License as
4  * published by the Free Software Foundation, either version 3 of the
5  * License, or (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program. If not, see <http://www.gnu.org/licenses/>.
14  *
15  **/
16 
17 /**
18  * @file ImageFromSet.ih
19  * @author David Coeurjolly (\c david.coeurjolly@liris.cnrs.fr )
20  * Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France
21  *
22  * @date 2011/03/26
23  *
24  * Implementation of inline methods defined in ImageFromSet.h
25  *
26  * This file is part of the DGtal library.
27  */
28 
29 
30 //////////////////////////////////////////////////////////////////////////////
31 #include <cstdlib>
32 //////////////////////////////////////////////////////////////////////////////
33 
34 ///////////////////////////////////////////////////////////////////////////////
35 // IMPLEMENTATION of inline methods.
36 ///////////////////////////////////////////////////////////////////////////////
37 
38 
39 template <typename Image>
40 template <typename Set>
41 inline
42 Image
43 DGtal::ImageFromSet<Image>::create(const Set &aSet, const Value &defaultValue,
44  const bool addBorder,
45  typename Set::ConstIterator itBegin,
46  typename Set::ConstIterator itEnd)
47 {
48  BOOST_CONCEPT_ASSERT(( concepts::CDigitalSet<Set> ));
49 
50  typename Set::Point lower,upper;
51  typename Set::Point dec;
52 
53  if (addBorder)
54  dec = Set::Point::diagonal(1);
55 
56  aSet.computeBoundingBox(lower,upper);
57 
58  Image image(typename Image::Domain(lower - dec ,upper + dec));
59  append<Set>(image,defaultValue, itBegin, itEnd);
60 
61  return image;
62 
63 }
64 
65 
66 template<typename Image>
67 template<typename Set>
68 inline
69 void
70 DGtal::ImageFromSet<Image>::append(Image &aImage, const Value &defaultValue,
71  typename Set::ConstIterator itBegin,
72  typename Set::ConstIterator itEnd)
73 {
74  BOOST_CONCEPT_ASSERT(( concepts::CDigitalSet<Set> ));
75 
76  typename Image::Domain domain = aImage.domain();
77 
78  for( ; itBegin != itEnd; ++itBegin)
79  if (domain.isInside( *itBegin))
80  aImage.setValue( *itBegin, defaultValue);
81 }
82