ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkMeshConvertPixelTraits.h
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18 
19 #ifndef __itkMeshConvertPixelTraits_h
20 #define __itkMeshConvertPixelTraits_h
21 
22 #include "itkArray.h"
23 #include "itkMatrix.h"
24 #include "itkOffset.h"
25 #include "itkCovariantVector.h"
26 #include "itkVariableLengthVector.h"
27 #include "itkVector.h"
28 #include "itkPoint.h"
29 
30 namespace itk
31 {
32 
44 template<typename PixelType>
45 class MeshConvertPixelTraits
46 {
47 public:
49  typedef typename PixelType::ComponentType ComponentType;
50 
52  static unsigned int GetNumberOfComponents()
53  { return PixelType::GetNumberOfComponents();}
54 
55  static unsigned int GetNumberOfComponents(const PixelType& )
56  { return PixelType::GetNumberOfComponents();}
57 
59  static ComponentType GetNthComponent(int c, const PixelType& pixel)
60  { return pixel.GetNthComponent(c); }
61 
63  static void SetNthComponent(int c, PixelType& pixel, const ComponentType& v)
64  { pixel.SetNthComponent(c, v); }
65 
67  static ComponentType GetScalarValue(const PixelType& pixel)
68  { return pixel.GetScalarValue(); }
69 
70 };
71 
72 #define ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(type) \
73 template<> \
74  class MeshConvertPixelTraits<type> \
75  { \
76  public: \
77  typedef type ComponentType; \
78  static unsigned int GetNumberOfComponents() \
79  { \
80  return 1; \
81  } \
82  static unsigned int GetNumberOfComponents(const type& itkNotUsed(pixel))\
83  { \
84  return 1; \
85  } \
86  static ComponentType GetNthComponent(int itkNotUsed(c), const type& pixel)\
87  { \
88  return pixel; \
89  } \
90  static void SetNthComponent(int , type& pixel, const ComponentType& v) \
91  { \
92  pixel = v; \
93  } \
94  static type GetScalarValue(const type& pixel) \
95  { \
96  return pixel; \
97  } \
98  };
99 
100  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(float)
101  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(double)
102  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(int)
103  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(char)
104  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(short)
105  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(unsigned int)
106  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(signed char)
107  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(unsigned char)
108  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(unsigned short)
109  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(long)
110  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(unsigned long)
111  ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL(bool)
112 
113 #undef ITK_DEFAULTCONVERTTRAITS_NATIVE_SPECIAL
114 
115 //
116 // Default traits for the Offset<> pixel type
117 //
118 
119 #define ITK_MESH_DEFAULTCONVERTTRAITS_OFFSET_TYPE(dimension) \
120  template<> \
121  class MeshConvertPixelTraits< Offset<dimension> > \
122  { \
123  public: \
124  typedef Offset<dimension> TargetType; \
125  typedef TargetType::OffsetValueType ComponentType; \
126  static unsigned int GetNumberOfComponents() \
127  { \
128  return dimension; \
129  } \
130  static unsigned int GetNumberOfComponents(const TargetType& itkNotUsed(pixel)) \
131  { \
132  return dimension; \
133  } \
134  static ComponentType GetNthComponent(int c, const TargetType& pixel) \
135  { \
136  return pixel[c]; \
137  } \
138  static void SetNthComponent(int i, TargetType & pixel, const ComponentType& v) \
139  { \
140  pixel[i] = v; \
141  } \
142  static ComponentType GetScalarValue(const TargetType& pixel) \
143  { \
144  return pixel[0]; \
145  } \
146  }; \
147 
148 
149 // Define traits for Offset<> from dimensions 1 to 5
150  ITK_MESH_DEFAULTCONVERTTRAITS_OFFSET_TYPE(1)
151  ITK_MESH_DEFAULTCONVERTTRAITS_OFFSET_TYPE(2)
152  ITK_MESH_DEFAULTCONVERTTRAITS_OFFSET_TYPE(3)
153  ITK_MESH_DEFAULTCONVERTTRAITS_OFFSET_TYPE(4)
154  ITK_MESH_DEFAULTCONVERTTRAITS_OFFSET_TYPE(5)
155 
156 //
157 // Default traits for the pixel types deriving from FixedArray<>
158 //
159 
160 #define ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE(type,componenttype, dimension) \
161  template<> \
162  class MeshConvertPixelTraits< type< componenttype, dimension> > \
163  { \
164  public: \
165  typedef type< componenttype, dimension > TargetType; \
166  typedef componenttype ComponentType; \
167  static unsigned int GetNumberOfComponents() \
168  { \
169  return dimension; \
170  } \
171  static unsigned int GetNumberOfComponents(const TargetType& itkNotUsed(pixel)) \
172  { \
173  return dimension; \
174  } \
175  static ComponentType GetNthComponent(int c, const TargetType& pixel) \
176  { \
177  return pixel[c]; \
178  } \
179  static void SetNthComponent(int i, TargetType & pixel, const ComponentType& v) \
180  { \
181  pixel[i] = v; \
182  } \
183  static ComponentType GetScalarValue(const TargetType& pixel) \
184  { \
185  return pixel[0]; \
186  } \
187  }; \
188 
189 //
190 //
191 // Define traits for Classed deriving from FixedArray from dimensions 1 to 6
192 // These classes include: Vector, CovariantVector and Point.
193 //
194 //
195 #define ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, Type) \
196  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE(ArrayType,Type,1) \
197  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE(ArrayType,Type,2) \
198  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE(ArrayType,Type,3) \
199  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE(ArrayType,Type,4) \
200  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE(ArrayType,Type,5) \
201  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE(ArrayType,Type,6)
202 
203 #define ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_TYPES_MACRO(ArrayType) \
204  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, char); \
205  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, signed char); \
206  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, unsigned char); \
207  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, short); \
208  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, unsigned short); \
209  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, int); \
210  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, unsigned int); \
211  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, long); \
212  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, unsigned long); \
213  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, float); \
214  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_MACRO(ArrayType, double);
215 
216  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_TYPES_MACRO(Vector);
217  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_TYPES_MACRO(CovariantVector);
218  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_TYPES_MACRO(Point);
219  ITK_MESH_DEFAULTCONVERTTRAITS_FIXEDARRAY_TYPE_ALL_TYPES_MACRO(FixedArray);
220 
221 //
222 // End of Traits for the classes deriving from FixedArray.
223 //
224 //
225 
226 
227 //
228 // Default traits for the pixel types deriving from Matrix<>
229 //
230 
231 #define ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE(type,componenttype,rows,cols) \
232 template<> \
233  class MeshConvertPixelTraits< type< componenttype, rows, cols > > \
234  { \
235  public: \
236  typedef type< componenttype, rows, cols > TargetType; \
237  typedef componenttype ComponentType; \
238  static unsigned int GetNumberOfComponents() \
239  { \
240  return rows * cols; \
241  } \
242  static unsigned int GetNumberOfComponents(const TargetType& itkNotUsed(pixel)) \
243  { \
244  return rows * cols; \
245  } \
246  static ComponentType GetNthComponent(int c, const TargetType& pixel) \
247  { \
248  const unsigned int row = c / cols; \
249  const unsigned int col = c % cols; \
250  return pixel[row][col]; \
251  } \
252  static void SetNthComponent(int i, TargetType & pixel, const ComponentType& v) \
253  { \
254  const unsigned int row = i / cols; \
255  const unsigned int col = i % cols; \
256  pixel[row][col] = v; \
257  } \
258  static ComponentType GetScalarValue(const TargetType& pixel) \
259  { \
260  return pixel[0][0]; \
261  } \
262  }; \
263 
264 //
265 //
266 // Define traits for Classed deriving from Matrix from dimensions 1 to 6
267 //
268 //
269 #define ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, Type) \
270  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE(ArrayType,Type,1,1) \
271  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE(ArrayType,Type,2,2) \
272  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE(ArrayType,Type,3,3) \
273  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE(ArrayType,Type,4,4) \
274  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE(ArrayType,Type,5,5) \
275  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE(ArrayType,Type,6,6)
276 
277 #define ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_TYPES_MACRO(ArrayType) \
278  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, char); \
279  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, signed char); \
280  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, unsigned char); \
281  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, short); \
282  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, unsigned short); \
283  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, int); \
284  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, unsigned int); \
285  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, long); \
286  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, unsigned long); \
287  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, float); \
288  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_MACRO(ArrayType, double);
289 
290 //
291 // Add here other classes that derive from Matrix or that have the same API
292 //
293  ITK_MESH_DEFAULTCONVERTTRAITS_MATRIX_TYPE_ALL_TYPES_MACRO(Matrix);
294 
295 //
296 // End of Traits for the classes deriving from Matrix.
297 //
298 //
299 
300 
301 //
302 // Default traits for the pixel types deriving from std::complex<>
303 //
304 
305 #define ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE( componenttype ) \
306 template<> \
307  class MeshConvertPixelTraits< ::std::complex< componenttype > > \
308  { \
309  public: \
310  typedef ::std::complex< componenttype> TargetType; \
311  typedef componenttype ComponentType; \
312  static unsigned int GetNumberOfComponents() \
313  { \
314  return 2; \
315  } \
316  static unsigned int GetNumberOfComponents(const TargetType & itkNotUsed(pixel)) \
317  { \
318  return 2; \
319  } \
320  static ComponentType GetNthComponent(int i, TargetType & pixel) \
321  { \
322  if( i == 0 ) \
323  { \
324  return pixel.imag(); \
325  } \
326  else \
327  { \
328  return pixel.real(); \
329  } \
330  } \
331  static void SetNthComponent(int i, TargetType & pixel, const ComponentType& v) \
332  { \
333  if( i == 0 ) \
334  { \
335  pixel = TargetType( v, pixel.imag() ); \
336  } \
337  else \
338  { \
339  pixel = TargetType( pixel.real(), v ); \
340  } \
341  } \
342  static ComponentType GetScalarValue(const TargetType& pixel) \
343  { \
344  return std::norm(pixel); \
345  } \
346  }; \
347 
348  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(float);
349  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(double);
350  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(signed int);
351  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(unsigned int);
352  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(signed char);
353  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(unsigned char);
354  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(signed long);
355  ITK_MESH_DEFAULTCONVERTTRAITS_COMPLEX_TYPE(unsigned long);
356 
357 #define ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(type,componenttype) \
358 template<> \
359  class MeshConvertPixelTraits< type< componenttype> > \
360  { \
361  public: \
362  typedef type< componenttype > TargetType; \
363  typedef componenttype ComponentType; \
364  static unsigned int GetNumberOfComponents() \
365  { \
366  return 0; \
367  } \
368  static unsigned int GetNumberOfComponents(const TargetType& pixel) \
369  { \
370  return pixel.Size(); \
371  } \
372  static ComponentType GetNthComponent(int c, const TargetType& pixel) \
373  { \
374  return pixel[c]; \
375  } \
376  static void SetNthComponent(int i, TargetType & pixel, const ComponentType& v) \
377  { \
378  pixel[i] = v; \
379  } \
380  static ComponentType GetScalarValue(const TargetType& pixel) \
381  { \
382  return pixel[0]; \
383  } \
384  }; \
385 
386 #define ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE_ALL_TYPES_MACRO(ArrayType) \
387  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, char); \
388  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, signed char); \
389  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, unsigned char); \
390  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, short); \
391  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, unsigned short); \
392  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, int); \
393  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, unsigned int); \
394  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, long); \
395  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, unsigned long); \
396  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, float); \
397  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE(ArrayType, double);
398 
399  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE_ALL_TYPES_MACRO(Array);
400  ITK_MESH_DEFAULTCONVERTTRAITS_ARRAY_TYPE_ALL_TYPES_MACRO(VariableLengthVector);
401 //
402 // End of Traits for the classes deriving from std::complex.
403 //
404 //
405 
406 } // end namespace itk
407 #endif
408 
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