DGtal  0.9.2
PredicateFromOrientationFunctor2.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 PredicateFromOrientationFunctor2.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 2013/12/02
23  *
24  * Implementation of inline methods defined in PredicateFromOrientationFunctor2.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 TOrientationFunctor, bool acceptNeg, bool acceptZero>
40 inline
41 DGtal::PredicateFromOrientationFunctor2<TOrientationFunctor,acceptNeg,acceptZero>
42 ::PredicateFromOrientationFunctor2(Alias<Functor> aFunctor)
43  : myFunctorPtr(&aFunctor), myThresholder()
44 {
45 }
46 
47 // ------------------------------------------------------------------------
48 template <typename TOrientationFunctor, bool acceptNeg, bool acceptZero>
49 inline
50 void
51 DGtal::PredicateFromOrientationFunctor2<TOrientationFunctor,acceptNeg,acceptZero>
52 ::init (const Point& aPoint1, const Point& aPoint2 )
53 {
54  myFunctorPtr->init( aPoint1, aPoint2 );
55 }
56 
57 // ------------------------------------------------------------------------
58 template <typename TOrientationFunctor, bool acceptNeg, bool acceptZero>
59 inline
60 bool
61 DGtal::PredicateFromOrientationFunctor2<TOrientationFunctor,acceptNeg,acceptZero>
62 ::operator() (const Point& aPoint ) const
63 {
64  return myThresholder( myFunctorPtr->operator()( aPoint ) );
65 }
66 
67 // ------------------------------------------------------------------------
68 template <typename TOrientationFunctor, bool acceptNeg, bool acceptZero>
69 inline
70 bool
71 DGtal::PredicateFromOrientationFunctor2<TOrientationFunctor,acceptNeg,acceptZero>
72 ::operator() (const Point& aPoint1, const Point& aPoint2, const Point& aPoint3 ) const
73 {
74  myFunctorPtr->init( aPoint1, aPoint2 );
75  return myThresholder( myFunctorPtr->operator()( aPoint3 ) );
76 }
77 
78 // ------------------------------------------------------------------------
79 template <typename TOrientationFunctor, bool acceptNeg, bool acceptZero>
80 inline
81 void
82 DGtal::PredicateFromOrientationFunctor2<TOrientationFunctor,acceptNeg,acceptZero>
83 ::selfDisplay ( std::ostream & out ) const
84 {
85  out << "[PredicateFromOrientationFunctor2<";
86  if (isValid())
87  out << (*myFunctorPtr);
88  else
89  out << "NULL";
90  out << ">]";
91 }
92 
93 // ------------------------------------------------------------------------
94 template <typename TOrientationFunctor, bool acceptNeg, bool acceptZero>
95 inline
96 bool
97 DGtal::PredicateFromOrientationFunctor2<TOrientationFunctor,acceptNeg,acceptZero>
98 ::isValid() const
99 {
100  return (myFunctorPtr != 0);
101 }
102 
103 
104 
105 ///////////////////////////////////////////////////////////////////////////////
106 // Implementation of inline functions //
107 
108 template <typename TOrientationFunctor, bool acceptNeg, bool acceptZero>
109 inline
110 std::ostream&
111 DGtal::operator<< ( std::ostream & out,
112  const PredicateFromOrientationFunctor2<TOrientationFunctor, acceptNeg, acceptZero> & object )
113 {
114  object.selfDisplay( out );
115  return out;
116 }
117 
118 // //
119 ///////////////////////////////////////////////////////////////////////////////
120 
121