DGtal  1.5.beta
CanonicEmbedder.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 CanonicEmbedder.ih
19  * @author Jacques-Olivier Lachaud (\c jacques-olivier.lachaud@univ-savoie.fr )
20  * Laboratory of Mathematics (CNRS, UMR 5127), University of Savoie, France
21  *
22  * @date 2012/02/28
23  *
24  * Implementation of inline methods defined in CanonicEmbedder.h
25  *
26  * This file is part of the DGtal library.
27  */
28 
29 ///////////////////////////////////////////////////////////////////////////////
30 // IMPLEMENTATION of inline methods.
31 ///////////////////////////////////////////////////////////////////////////////
32 
33 //////////////////////////////////////////////////////////////////////////////
34 #include <cstdlib>
35 #include <cmath>
36 #include "DGtal/kernel/NumberTraits.h"
37 //////////////////////////////////////////////////////////////////////////////
38 
39 
40 
41 ///////////////////////////////////////////////////////////////////////////////
42 // Implementation of inline methods //
43 //-----------------------------------------------------------------------------
44 template <typename TSpace>
45 inline
46 typename DGtal::CanonicEmbedder<TSpace>::Point
47 DGtal::CanonicEmbedder<TSpace>::floor( const RealPoint & p ) const
48 {
49  Point dp;
50  for ( Dimension i = 0; i < dp.size(); ++i )
51  dp[ i ] = (Integer) floor( p[ i ] );
52  return dp;
53 }
54 //-----------------------------------------------------------------------------
55 template <typename TSpace>
56 inline
57 typename DGtal::CanonicEmbedder<TSpace>::Point
58 DGtal::CanonicEmbedder<TSpace>::ceil( const RealPoint & p ) const
59 {
60  Point dp;
61  for ( Dimension i = 0; i < dp.size(); ++i )
62  dp[ i ] = (Integer) ceil( p[ i ] );
63  return dp;
64 }
65 //-----------------------------------------------------------------------------
66 template <typename TSpace>
67 inline
68 typename DGtal::CanonicEmbedder<TSpace>::Point
69 DGtal::CanonicEmbedder<TSpace>::round( const RealPoint & p ) const
70 {
71  Point dp;
72  for ( Dimension i = 0; i < dp.size(); ++i )
73  dp[ i ] = (Integer) round( p[ i ] );
74  return dp;
75 }
76 //-----------------------------------------------------------------------------
77 template <typename TSpace>
78 inline
79 typename DGtal::CanonicEmbedder<TSpace>::RealPoint
80 DGtal::CanonicEmbedder<TSpace>::embed( const Point & dp ) const
81 {
82  return this->operator()( dp );
83 }
84 //-----------------------------------------------------------------------------
85 template <typename TSpace>
86 inline
87 typename DGtal::CanonicEmbedder<TSpace>::RealPoint
88 DGtal::CanonicEmbedder<TSpace>::operator()( const Point & dp ) const
89 {
90  RealPoint p;
91  for ( Dimension i = 0; i < dp.size(); ++i )
92  p[ i ] = NumberTraits<Integer>::castToDouble( dp[ i ] );
93  return p;
94 }
95 //-----------------------------------------------------------------------------
96 template <typename TSpace>
97 inline
98 bool
99 DGtal::CanonicEmbedder<TSpace>::isValid( ) const
100 {
101  return true;
102 }
103 ///////////////////////////////////////////////////////////////////////////////
104 // Implementation of inline functions and external operators //
105 
106 /**
107  * Overloads 'operator<<' for displaying objects of class 'CanonicEmbedder'.
108  * @param out the output stream where the object is written.
109  * @param object the object of class 'CanonicEmbedder' to write.
110  * @return the output stream after the writing.
111  */
112 template <typename TSpace>
113 inline
114 std::ostream&
115 DGtal::operator<< ( std::ostream & out,
116  const CanonicEmbedder<TSpace> & object )
117 {
118  object.selfDisplay ( out );
119  return out;
120 }
121 
122 // //
123 ///////////////////////////////////////////////////////////////////////////////
124 
125