DGtal  0.9.2
InHalfPlaneBy2x2DetComputer.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 InHalfPlaneBy2x2DetComputer.ih
19  * @author Tristan Roussillon (\c tristan.roussillon@liris.cnrs.fr )
20  * Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France
21  *
22  * @date 2013/11/22
23  *
24  * Implementation of inline methods defined in InHalfPlaneBy2x2DetComputer.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 // ----------------------------------------------------------------------------
40 template <typename TP, typename TDC>
41 inline
42 void
43 DGtal::InHalfPlaneBy2x2DetComputer<TP,TDC>::init( const Point& aP, const Point& aQ )
44 {
45  myA = static_cast<ArgumentInteger>( aP[0] );
46  myB = static_cast<ArgumentInteger>( aP[1] );
47 
48  myDetComputer.init( static_cast<ArgumentInteger>( aQ[0] ) - myA,
49  static_cast<ArgumentInteger>( aQ[1] ) - myB );
50 }
51 
52 // ----------------------------------------------------------------------------
53 template <typename TP, typename TDC>
54 inline
55 void
56 DGtal::InHalfPlaneBy2x2DetComputer<TP,TDC>::init( const PointArray& aA )
57 {
58  init( aA[0], aA[1] );
59 }
60 
61 // ----------------------------------------------------------------------------
62 template <typename TP, typename TDC>
63 inline
64 typename DGtal::InHalfPlaneBy2x2DetComputer<TP,TDC>::Value
65 DGtal::InHalfPlaneBy2x2DetComputer<TP,TDC>::operator()( const Point& aR ) const
66 {
67  return myDetComputer( static_cast<ArgumentInteger>( aR[0] ) - myA,
68  static_cast<ArgumentInteger>( aR[1] ) - myB );
69 }
70 
71 // ----------------------------------------------------------------------------
72 template <typename TP, typename TDC>
73 inline
74 void
75 DGtal::InHalfPlaneBy2x2DetComputer<TP,TDC>::selfDisplay ( std::ostream & out ) const
76 {
77  out << "[InHalfPlaneBy2x2DetComputer]";
78 }
79 
80 // ----------------------------------------------------------------------------
81 template <typename TP, typename TDC>
82 inline
83 bool
84 DGtal::InHalfPlaneBy2x2DetComputer<TP,TDC>::isValid() const
85 {
86  return true;
87 }
88 
89 
90 
91 ///////////////////////////////////////////////////////////////////////////////
92 // Implementation of inline functions //
93 
94 template <typename TP, typename TDC>
95 inline
96 std::ostream&
97 DGtal::operator<< ( std::ostream & out,
98  const InHalfPlaneBy2x2DetComputer<TP,TDC> & object )
99 {
100  object.selfDisplay( out );
101  return out;
102 }
103 
104 // //
105 ///////////////////////////////////////////////////////////////////////////////
106 
107