VTK  9.4.20250102
vtkIndexedImplicitBackend.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
3// Funded by CEA, DAM, DIF, F-91297 Arpajon, France
4#ifndef vtkIndexedImplicitBackend_h
5#define vtkIndexedImplicitBackend_h
6
45#include "vtkCommonCoreModule.h"
46
47#include "vtkType.h"
48
49#include <memory>
50
51VTK_ABI_NAMESPACE_BEGIN
52class vtkDataArray;
53class vtkIdList;
54template <typename ValueType>
55class VTKCOMMONCORE_EXPORT vtkIndexedImplicitBackend final
56{
57public:
59
68
73 ValueType operator()(vtkIdType idx) const;
74
79 unsigned long getMemorySize() const;
80
81private:
82 struct Internals;
83 std::unique_ptr<Internals> Internal;
84};
85VTK_ABI_NAMESPACE_END
86
87#endif // vtkIndexedImplicitBackend_h
88
89#if defined(VTK_INDEXED_BACKEND_INSTANTIATING)
90
91#define VTK_INSTANTIATE_INDEXED_BACKEND(ValueType) \
92 VTK_ABI_NAMESPACE_BEGIN \
93 template class VTKCOMMONCORE_EXPORT vtkIndexedImplicitBackend<ValueType>; \
94 VTK_ABI_NAMESPACE_END
95
96#elif defined(VTK_USE_EXTERN_TEMPLATE)
97
98#ifndef VTK_INDEXED_BACKEND_TEMPLATE_EXTERN
99#define VTK_INDEXED_BACKEND_TEMPLATE_EXTERN
100#ifdef _MSC_VER
101#pragma warning(push)
102#pragma warning(disable : 4910) // extern and dllexport incompatible
103#endif
104VTK_ABI_NAMESPACE_BEGIN
105vtkExternTemplateMacro(extern template class VTKCOMMONCORE_EXPORT vtkIndexedImplicitBackend);
106VTK_ABI_NAMESPACE_END
107#ifdef _MSC_VER
108#pragma warning(pop)
109#endif
110#endif // VTK_INDEXED_IMPLICIT_BACKEND_TEMPLATE_EXTERN
111
112#endif
abstract superclass for arrays of numeric data
list of point or cell ids
Definition vtkIdList.h:133
A backend for the vtkImplicitArray framework allowing one to use a subset of a given data array,...
unsigned long getMemorySize() const
Returns the smallest integer memory size in KiB needed to store the array.
vtkIndexedImplicitBackend(vtkDataArray *indexes, vtkDataArray *array)
Constructor.
ValueType operator()(vtkIdType idx) const
Indexing operation for the indexed array respecting the backend expectations of vtkImplicitArray
vtkIndexedImplicitBackend(vtkIdList *indexes, vtkDataArray *array)
Constructor.
#define vtkExternTemplateMacro(decl)
A macro to declare extern templates for all numerical types.
Definition vtkType.h:410
int vtkIdType
Definition vtkType.h:315