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multi_fwd.hxx |

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3 /* Copyright 2011-2014 by Ullrich Koethe */
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35
36 #ifndef VIGRA_MULTI_FWD_HXX
37 #define VIGRA_MULTI_FWD_HXX
38
39 #include <memory>
40 #include "metaprogramming.hxx"
41 #include "tinyvector.hxx"
42
43 namespace vigra {
44
45 /** \addtogroup MultiIteratorGroup Multi-dimensional Shapes and Array Iterators
46
47 \brief Shape objects and general iterators for arrays of arbitrary dimension.
48 */
49 //@{
50
51 /********************************************************/
52 /* */
53 /* shape */
54 /* */
55 /********************************************************/
56
57 /** Index type for a single dimension of a MultiArrayView or
58 MultiArray.
59 */
60 typedef std::ptrdiff_t MultiArrayIndex;
61
62 template <unsigned int N>
63 class MultiArrayShape;
64
65 /********************************************************/
66 /* */
67 /* memory layout */
68 /* */
69 /********************************************************/
70
71 // the resulting MultiArray has no explicit channel axis
72 // (i.e. the number of channels is implicitly one)
73 template <class T>
74 struct Singleband;
75
76 // the last axis is explicitly designated as channel axis
77 template <class T>
78 struct Multiband;
79
80 // the array is organised in chunks
81 template <class T>
82 struct ChunkedMemory;
83
84 // helper classes to map memory layout to actual type
85 namespace detail {
86
87 template <class T>
88 struct ResolveMultiband;
89
90 template <class T>
91 struct ResolveChunkedMemory;
92
93 } // namespace detail
94
95 /********************************************************/
96 /* */
97 /* constructor tag */
98 /* */
99 /********************************************************/
100
101 /** \brief Initialize a MultiArray in a standard way.
102
103 */
104 enum MultiArrayInitializationTag {
105 LinearSequence ///< Initialize array by a linear sequence in scan order
106 };
107
108 /********************************************************/
109 /* */
110 /* element handles */
111 /* */
112 /********************************************************/
113
114 template <class T, class NEXT>
115 class CoupledHandle;
116
117 template <unsigned int N, class T>
118 class SharedChunkHandle;
119
120 /********************************************************/
121 /* */
122 /* array types */
123 /* */
124 /********************************************************/
125
126 template <unsigned int N, class T, class C = StridedArrayTag>
127 class MultiArrayView;
128
129 template <unsigned int N, class T,
130 class A = std::allocator<typename detail::ResolveMultiband<T>::type> >
131 class MultiArray;
132
133 template <unsigned int N, class T>
134 class ChunkedArrayBase;
135
136 template <unsigned int N, class T>
137 class ChunkedArray;
138
139 /********************************************************/
140 /* */
141 /* iterators / traversers */
142 /* */
143 /********************************************************/
144
145 // DEPRECATED!
146 // hierarchical iterator whose innermost dimension is unstrided
147 template <unsigned int N, class T, class REFERENCE = T &, class POINTER = T *>
148 class MultiIterator;
149
150 // DEPRECATED!
151 // hierarchical iterator whose innermost dimension may be strided
152 template <unsigned int N, class T, class REFERENCE = T &, class POINTER = T *>
153 class StridedMultiIterator;
154
155 // multi-dimensional scan-order iteration returning the coordinate of the current element
156 template<unsigned int N>
157 class MultiCoordinateIterator;
158
159 // scan-order iteration returning the current element of a multi-dimensional array
160 template <unsigned int N, class V, class REFERENCE, class POINTER>
161 class StridedScanOrderIterator;
162
163 // simultaneous scan-order iteration over several multi-dimensional arrays
164 template <unsigned int N,
165 class HANDLES=CoupledHandle<TinyVector<MultiArrayIndex, N>, void>,
166 int DIMENSION = N-1>
167 class CoupledScanOrderIterator;
168
169 // scan-order iteration over the chunks of a chunked array
170 // returns a MultiArrayView for the current chunk
171 template<unsigned int N, class T>
172 class ChunkIterator;
173
174 /********************************************************/
175 /* */
176 /* neighborhood types */
177 /* */
178 /********************************************************/
179
180 /** \brief Choose the neighborhood system in a dimension-independent way.
181
182 DirectNeighborhood corresponds to 4-neighborhood in 2D and 6-neighborhood in 3D, whereas
183 IndirectNeighborhood means 8-neighborhood in 2D and 26-neighborhood in 3D. The general
184 formula for N dimensions are 2*N for direct neighborhood and 3^N-1 for indirect neighborhood.
185 */
186 enum NeighborhoodType {
187 DirectNeighborhood=0, ///< use only direct neighbors
188 IndirectNeighborhood=1 ///< use direct and indirect neighbors
189 };
190
191
192 /********************************************************/
193 /* */
194 /* grid graph */
195 /* */
196 /********************************************************/
197
198 template<unsigned int N, bool BackEdgesOnly=false>
199 class GridGraphNeighborIterator;
200
201 template<unsigned int N, bool BackEdgesOnly=false>
202 class GridGraphEdgeIterator;
203
204 template<unsigned int N, bool BackEdgesOnly=false>
205 class GridGraphOutEdgeIterator;
206
207 template<unsigned int N, bool BackEdgesOnly=false>
208 class GridGraphArcIterator;
209
210 template<unsigned int N, bool BackEdgesOnly=false>
211 class GridGraphOutArcIterator;
212
213 template<unsigned int N, bool BackEdgesOnly=false>
214 class GridGraphInArcIterator;
215
216 template<unsigned int N, class DirectedTag>
217 class GridGraph;
218
219 //@}
220
221 } // namespace vigra
222
223 #endif // VIGRA_MULTI_FWD_HXX
vigra::GridGraph
Define a grid graph in arbitrary dimensions.
Definition: multi_fwd.hxx:217
vigra::StridedScanOrderIterator
Sequential iterator for MultiArrayView.
Definition: multi_fwd.hxx:161
vigra::MultiIterator
A multi-dimensional hierarchical iterator to be used with vigra::MultiArrayView if it is not strided...
Definition: multi_fwd.hxx:148
vigra::MultiArrayInitializationTag
MultiArrayInitializationTag
Initialize a MultiArray in a standard way.
Definition: multi_fwd.hxx:104
vigra::MultiArray
Main MultiArray class containing the memory management.
Definition: multi_array.hxx:2422
vigra::LinearSequence
Initialize array by a linear sequence in scan order.
Definition: multi_fwd.hxx:105
vigra::ChunkedArray
Interface and base class for chunked arrays.
Definition: multi_array_chunked.hxx:470
vigra::MultiArrayIndex
std::ptrdiff_t MultiArrayIndex
Definition: multi_fwd.hxx:60
vigra
Definition: accessor.hxx:43
vigra::MultiArrayShape
Definition: multi_fwd.hxx:63
vigra::StridedMultiIterator
A multi-dimensional hierarchical iterator to be used with vigra::MultiArrayView if it is not strided...
Definition: multi_fwd.hxx:153
vigra::CoupledHandle
Definition: multi_fwd.hxx:115
vigra::IndirectNeighborhood
use direct and indirect neighbors
Definition: multi_fwd.hxx:188
vigra::MultiArrayView
Base class for, and view to, vigra::MultiArray.
Definition: multi_array.hxx:652
vigra::CoupledScanOrderIterator
Iterate over multiple images simultaneously in scan order.
Definition: multi_fwd.hxx:167
vigra::DirectNeighborhood
use only direct neighbors
Definition: multi_fwd.hxx:187
vigra::NeighborhoodType
NeighborhoodType
Choose the neighborhood system in a dimension-independent way.
Definition: multi_fwd.hxx:186
vigra::MultiCoordinateIterator
Iterate over a virtual array where each element contains its coordinate.
Definition: multi_fwd.hxx:157

© Ullrich Köthe (ullrich.koethe@iwr.uni-heidelberg.de) Heidelberg Collaboratory for Image Processing, University of Heidelberg, Germany | html generated using doxygen and Python vigra 1.11.0