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vtkTypedDataArrayIterator.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkTypedDataArrayIterator.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
15
36#ifndef vtkTypedDataArrayIterator_h
37#define vtkTypedDataArrayIterator_h
38
39#include <iterator> // For iterator traits
40
41#include "vtkTypedDataArray.h" // For vtkTypedDataArray
42
43template<class Scalar>
45{
46public:
47 typedef std::random_access_iterator_tag iterator_category;
48 typedef Scalar value_type;
49 typedef std::ptrdiff_t difference_type;
50 typedef Scalar& reference;
51 typedef Scalar* pointer;
52
54 : Data(NULL), Index(0) {}
55
57 const vtkIdType index = 0)
58 : Data(arr),
59 Index(index)
60 {
61 }
62
64 : Data(o.Data),
65 Index(o.Index)
66 {
67 }
68
71 {
72 std::swap(this->Data, o.Data);
73 std::swap(this->Index, o.Index);
74 return *this;
75 }
76
78 {
79 return this->Data == o.Data && this->Index == o.Index;
80 }
81
83 {
84 return this->Data == o.Data && this->Index != o.Index;
85 }
86
88 {
89 return this->Data == o.Data && this->Index > o.Index;
90 }
91
93 {
94 return this->Data == o.Data && this->Index >= o.Index;
95 }
96
98 {
99 return this->Data == o.Data && this->Index < o.Index;
100 }
101
103 {
104 return this->Data == o.Data && this->Index <= o.Index;
105 }
106
107 Scalar& operator*()
108 {
109 return this->Data->GetValueReference(this->Index);
110 }
111
112 Scalar* operator->() const
113 {
114 return &this->Data->GetValueReference(this->Index);
115 }
116
117 Scalar& operator[](const difference_type &n)
118 {
119 return this->Data->GetValueReference(this->Index + n);
120 }
121
123 {
124 ++this->Index;
125 return *this;
126 }
127
129 {
130 --this->Index;
131 return *this;
132 }
133
135 {
136 return vtkTypedDataArrayIterator(this->Data, this->Index++);
137 }
138
140 {
141 return vtkTypedDataArrayIterator(this->Data, this->Index--);
142 }
143
145 {
146 return vtkTypedDataArrayIterator(this->Data, this->Index + n);
147 }
148
150 {
151 return vtkTypedDataArrayIterator(this->Data, this->Index - n);
152 }
153
155 {
156 return this->Index - other.Index;
157 }
158
160 {
161 this->Index += n;
162 return *this;
163 }
164
166 {
167 this->Index -= n;
168 return *this;
169 }
170
171private:
173 vtkIdType Index;
174};
175
176#endif // vtkTypedDataArrayIterator_h
177
178// VTK-HeaderTest-Exclude: vtkTypedDataArrayIterator.h
STL-style random access iterator for vtkTypedDataArrays.
bool operator>=(const vtkTypedDataArrayIterator< Scalar > &o) const
vtkTypedDataArrayIterator & operator--()
vtkTypedDataArrayIterator & operator+=(const difference_type &n)
vtkTypedDataArrayIterator & operator-=(const difference_type &n)
vtkTypedDataArrayIterator operator++(int)
vtkTypedDataArrayIterator(vtkTypedDataArray< Scalar > *arr, const vtkIdType index=0)
vtkTypedDataArrayIterator operator+(const difference_type &n) const
vtkTypedDataArrayIterator operator--(int)
bool operator!=(const vtkTypedDataArrayIterator< Scalar > &o) const
Scalar & operator[](const difference_type &n)
vtkTypedDataArrayIterator(const vtkTypedDataArrayIterator &o)
bool operator==(const vtkTypedDataArrayIterator< Scalar > &o) const
bool operator<=(const vtkTypedDataArrayIterator< Scalar > &o) const
vtkTypedDataArrayIterator operator-(const difference_type &n) const
bool operator<(const vtkTypedDataArrayIterator< Scalar > &o) const
difference_type operator-(const vtkTypedDataArrayIterator &other) const
bool operator>(const vtkTypedDataArrayIterator< Scalar > &o) const
vtkTypedDataArrayIterator & operator++()
vtkTypedDataArrayIterator & operator=(vtkTypedDataArrayIterator< Scalar > o)
std::random_access_iterator_tag iterator_category
Extend vtkDataArray with abstract type-specific API.
@ index
Definition: vtkX3D.h:246
int vtkIdType
Definition: vtkType.h:287