VTK  9.3.20240423
vtkMappedDataArray.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
23#ifndef vtkMappedDataArray_h
24#define vtkMappedDataArray_h
25
26#include "vtkTypedDataArray.h"
27
28VTK_ABI_NAMESPACE_BEGIN
29template <class Scalar>
31{
32public:
34 typedef typename Superclass::ValueType ValueType;
35
45
46 void PrintSelf(ostream& os, vtkIndent indent) override;
47
48 // vtkAbstractArray virtual method that must be reimplemented.
49 void DeepCopy(vtkAbstractArray* aa) override = 0;
51 void SetVariantValue(vtkIdType idx, vtkVariant value) override = 0;
52 void GetTuples(vtkIdList* ptIds, vtkAbstractArray* output) override = 0;
53 void GetTuples(vtkIdType p1, vtkIdType p2, vtkAbstractArray* output) override = 0;
55 vtkIdType i, vtkIdList* ptIndices, vtkAbstractArray* source, double* weights) override = 0;
57 vtkAbstractArray* source2, double t) override = 0;
58
59 // vtkDataArray virtual method that must be reimplemented.
60 void DeepCopy(vtkDataArray* da) override = 0;
61
67 void* GetVoidPointer(vtkIdType id) override;
68
74 void ExportToVoidPointer(void* ptr) override;
75
83 void DataChanged() override;
84
86
90 void SetVoidArray(void*, vtkIdType, int) override;
91 void SetVoidArray(void*, vtkIdType, int, int) override;
93
95
98 void* WriteVoidPointer(vtkIdType /*id*/, vtkIdType /*number*/) override
99 {
100 vtkErrorMacro(<< "WriteVoidPointer: Method not implemented.");
101 return nullptr;
102 }
104
108 void Modified() override;
109
110 // vtkAbstractArray override:
111 bool HasStandardMemoryLayout() const override { return false; }
112
113protected:
116
117 int GetArrayType() const override { return vtkAbstractArray::MappedDataArray; }
118
119private:
120 vtkMappedDataArray(const vtkMappedDataArray&) = delete;
121 void operator=(const vtkMappedDataArray&) = delete;
122
124
127 ValueType* TemporaryScalarPointer;
128 size_t TemporaryScalarPointerSize;
130};
131
132// Declare vtkArrayDownCast implementations for mapped containers:
134
135VTK_ABI_NAMESPACE_END
136#include "vtkMappedDataArray.txx"
137
138// Adds an implementation of NewInstanceInternal() that returns an AoS
139// (unmapped) VTK array, if possible. Use this in combination with
140// vtkAbstractTemplateTypeMacro when your subclass is a template class.
141// Otherwise, use vtkMappedDataArrayTypeMacro.
142#define vtkMappedDataArrayNewInstanceMacro(thisClass) \
143protected: \
144 vtkObjectBase* NewInstanceInternal() const override \
145 { \
146 if (vtkDataArray* da = vtkDataArray::CreateDataArray(thisClass::VTK_DATA_TYPE)) \
147 { \
148 return da; \
149 } \
150 return thisClass::New(); \
151 } \
152 \
153public:
154
155// Same as vtkTypeMacro, but adds an implementation of NewInstanceInternal()
156// that returns a standard (unmapped) VTK array, if possible.
157#define vtkMappedDataArrayTypeMacro(thisClass, superClass) \
158 vtkAbstractTypeMacroWithNewInstanceType(thisClass, superClass, vtkDataArray); \
159 vtkMappedDataArrayNewInstanceMacro(thisClass)
160
161#endif // vtkMappedDataArray_h
162
163// VTK-HeaderTest-Exclude: vtkMappedDataArray.h
Abstract superclass for all arrays.
abstract superclass for arrays of numeric data
list of point or cell ids
Definition vtkIdList.h:133
a simple class to control print indentation
Definition vtkIndent.h:108
Map non-contiguous data structures into the vtkDataArray API.
void SetVoidArray(void *, vtkIdType, int, int) override
These methods don't make sense for mapped data array.
void Modified() override
Invalidate the internal temporary array and call superclass method.
void DeepCopy(vtkAbstractArray *aa) override=0
Deep copy of data.
void SetVariantValue(vtkIdType idx, vtkVariant value) override=0
Set a value in the array from a variant.
void * WriteVoidPointer(vtkIdType, vtkIdType) override
Not implemented.
void SetVoidArray(void *, vtkIdType, int) override
These methods don't make sense for mapped data array.
void GetTuples(vtkIdList *ptIds, vtkAbstractArray *output) override=0
Given a list of tuple ids, return an array of tuples.
vtkVariant GetVariantValue(vtkIdType idx) override=0
Retrieve value from the array as a variant.
void DeepCopy(vtkDataArray *da) override=0
Deep copy of data.
bool HasStandardMemoryLayout() const override
Returns true if this array uses the standard memory layout defined in the VTK user guide,...
void GetTuples(vtkIdType p1, vtkIdType p2, vtkAbstractArray *output) override=0
Get the tuples for the range of tuple ids specified (i.e., p1->p2 inclusive).
vtkTemplateTypeMacro(vtkMappedDataArray< Scalar >, vtkTypedDataArray< Scalar >)
void InterpolateTuple(vtkIdType i, vtkIdType id1, vtkAbstractArray *source1, vtkIdType id2, vtkAbstractArray *source2, double t) override=0
Insert the tuple at dstTupleIdx in this array to the tuple interpolated from the two tuple indices,...
void ExportToVoidPointer(void *ptr) override
Copy the internal data to the void pointer.
static vtkMappedDataArray< Scalar > * FastDownCast(vtkAbstractArray *source)
Perform a fast, safe cast from a vtkAbstractArray to a vtkMappedDataArray.
int GetArrayType() const override
Method for type-checking in FastDownCast implementations.
~vtkMappedDataArray() override
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void DataChanged() override
Read the data from the internal temporary array (created by GetVoidPointer) back into the mapped arra...
void InterpolateTuple(vtkIdType i, vtkIdList *ptIndices, vtkAbstractArray *source, double *weights) override=0
Set the tuple at dstTupleIdx in this array to the interpolated tuple value, given the ptIndices in th...
Superclass::ValueType ValueType
void * GetVoidPointer(vtkIdType id) override
Print an error and create an internal, long-lived temporary array.
Extend vtkDataArray with abstract type-specific API.
A type representing the union of many types.
Definition vtkVariant.h:162
#define vtkArrayDownCast_TemplateFastCastMacro(ArrayT)
Same as vtkArrayDownCast_FastCastMacro, but treats ArrayT as a single-parameter template (the paramet...
boost::graph_traits< vtkGraph * >::vertex_descriptor source(boost::graph_traits< vtkGraph * >::edge_descriptor e, vtkGraph *)
int vtkIdType
Definition vtkType.h:315