DGtal  0.9.2
ArithmeticalDSLKernel.h
1 
17 #pragma once
18 
31 #if defined(ArithmeticalDSLKernel_RECURSES)
32 #error Recursive header files inclusion detected in ArithmeticalDSLKernel.h
33 #else // defined(ArithmeticalDSLKernel_RECURSES)
34 
35 #define ArithmeticalDSLKernel_RECURSES
36 
37 #if !defined ArithmeticalDSLKernel_h
38 
39 #define ArithmeticalDSLKernel_h
40 
42 // Inclusions
43 #include <iostream>
44 #include "DGtal/base/Common.h"
45 
46 #include "DGtal/kernel/SpaceND.h"
47 #include "DGtal/kernel/NumberTraits.h"
49 
50 namespace DGtal
51 {
52 
54  // template struct ArithmeticalDSLKernel
89  template <typename TCoordinate,
90  unsigned short adjacency = 8>
92  {
93 
94  // ----------------------- Inner types ------------------------------------
95  public:
103  typedef typename Space::Vector Vector;
107  typedef std::pair<Vector, Vector> Steps;
108 
109 
110  // ----------------------- static members ---------------------------------
111  public:
115  BOOST_STATIC_CONSTANT(unsigned short, ForegroundAdjacency = 8); // adjacency
116 
120  BOOST_STATIC_CONSTANT(unsigned short, BackgroundAdjacency = 4); // complementary adjacency
121 
122  // ----------------------- static methods ---------------------------------
123  public:
142  template <typename TInteger>
143  static Vector shift(const TInteger& a, const TInteger& b);
144 
169  template <typename TInteger>
170  static Steps steps(const TInteger& a, const TInteger& b);
171 
182  template<typename TInteger>
183  static TInteger norm(const TInteger& a, const TInteger& b);
184 
185  };
186 
188  // specialization of the template struct ArithmeticalDSLKernel for 4-adjacency
189  template <typename TCoordinate>
190  struct ArithmeticalDSLKernel<TCoordinate, 4>
191  {
192  // ----------------------- Inner types ------------------------------------
193  public:
195  typedef typename Space::Vector Vector;
196  typedef std::pair<Vector, Vector> Steps;
197 
198 
199  // ----------------------- static members ---------------------------------
200  public:
204  BOOST_STATIC_CONSTANT(unsigned short, ForegroundAdjacency = 4); // adjacency
205 
209  BOOST_STATIC_CONSTANT(unsigned short, BackgroundAdjacency = 8); // complementary adjacency
210 
211  // ----------------------- static methods ---------------------------------
212  public:
213  template <typename TInteger>
214  static Vector shift(const TInteger& a, const TInteger& b);
215  template <typename TInteger>
216  static Steps steps(const TInteger& a, const TInteger& b);
217  template<typename TInteger>
218  static TInteger norm(const TInteger& a, const TInteger& b);
219 
220  };
221 
222 } // namespace DGtal
223 
224 
226 // Includes inline functions.
227 #include "DGtal/geometry/curves/ArithmeticalDSLKernel.ih"
228 
229 // //
231 
232 #endif // !defined ArithmeticalDSLKernel_h
233 
234 #undef ArithmeticalDSLKernel_RECURSES
235 #endif // else defined(ArithmeticalDSLKernel_RECURSES)
static Vector shift(const TInteger &a, const TInteger &b)
Aim: SpaceND is a utility class that defines the fundamental structure of a Digital Space in ND...
Definition: SpaceND.h:95
static TInteger norm(const TInteger &a, const TInteger &b)
SpaceND< 2, TCoordinate > Space
BOOST_STATIC_CONSTANT(unsigned short, ForegroundAdjacency=8)
Aim: Small class that contains the code that depends on the arithmetical thickness (either naive or s...
DGtal is the top-level namespace which contains all DGtal functions and types.
std::pair< Vector, Vector > Steps
static Steps steps(const TInteger &a, const TInteger &b)