1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// .NAME vtkBridgePointIteratorOne - Implementation of vtkGenericPointIterator.
// .SECTION Description
// It is just an example that show how to implement the Generic. It is also
// used for testing and evaluating the Generic.
// .SECTION See Also
// vtkGenericPointIterator, vtkBridgeDataSet
#include "vtkBridgePointIteratorOne.h"
#include <cassert>
#include "vtkBridgeDataSet.h"
#include "vtkDataSet.h"
#include "vtkObjectFactory.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkBridgePointIteratorOne);
//------------------------------------------------------------------------------
// Description:
// Default constructor.
vtkBridgePointIteratorOne::vtkBridgePointIteratorOne()
{
this->DataSet = nullptr;
this->cIsAtEnd = 1;
}
//------------------------------------------------------------------------------
// Description:
// Destructor.
vtkBridgePointIteratorOne::~vtkBridgePointIteratorOne()
{
vtkSetObjectBodyMacro(DataSet, vtkBridgeDataSet, static_cast<vtkBridgeDataSet*>(nullptr));
}
//------------------------------------------------------------------------------
void vtkBridgePointIteratorOne::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
// Description:
// Move iterator to first position if any (loop initialization).
void vtkBridgePointIteratorOne::Begin()
{
this->cIsAtEnd = 0;
}
//------------------------------------------------------------------------------
// Description:
// Is there no point at iterator position? (exit condition).
vtkTypeBool vtkBridgePointIteratorOne::IsAtEnd()
{
return this->cIsAtEnd;
}
//------------------------------------------------------------------------------
// Description:
// Move iterator to next position. (loop progression).
// \pre not_off: !IsAtEnd()
void vtkBridgePointIteratorOne::Next()
{
assert("pre: not_off" && !IsAtEnd());
this->cIsAtEnd = 1;
}
//------------------------------------------------------------------------------
// Description:
// Point at iterator position.
// \pre not_off: !IsAtEnd()
// \post result_exists: result!=0
double* vtkBridgePointIteratorOne::GetPosition()
{
assert("pre: not_off" && !IsAtEnd());
double* result = this->DataSet->Implementation->GetPoint(this->Id);
assert("post: result_exists" && result != nullptr);
return result;
}
//------------------------------------------------------------------------------
// Description:
// Point at iterator position.
// \pre not_off: !IsAtEnd()
// \pre x_exists: x!=0
void vtkBridgePointIteratorOne::GetPosition(double x[3])
{
assert("pre: not_off" && !IsAtEnd());
assert("pre: x_exists" && x != nullptr);
this->DataSet->Implementation->GetPoint(this->Id, x);
}
//------------------------------------------------------------------------------
// Description:
// Unique identifier for the point, could be non-contiguous
// \pre not_off: !IsAtEnd()
vtkIdType vtkBridgePointIteratorOne::GetId()
{
assert("pre: not_off" && !IsAtEnd());
return this->Id;
}
//------------------------------------------------------------------------------
// Description:
// Used internally by vtkBridgeDataSet.
// Iterate over one point of identifier `id' on dataset `ds'.
// \pre ds_can_be_null: ds!=0 || ds==0
// \pre valid_id: vtkImplies(ds!=0,(id>=0)&&(id<=ds->GetNumberOfCells()))
void vtkBridgePointIteratorOne::InitWithOnePoint(vtkBridgeDataSet* ds, vtkIdType id)
{
assert("pre: valid_id" &&
((ds == nullptr) || ((id >= 0) && (id <= ds->GetNumberOfCells())))); // A=>B: !A||B
vtkSetObjectBodyMacro(DataSet, vtkBridgeDataSet, ds);
this->Id = id;
}
VTK_ABI_NAMESPACE_END
|
