VTK
vtkTypedDataArray.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkTypedDataArray.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 =========================================================================*/
39 #ifndef vtkTypedDataArray_h
40 #define vtkTypedDataArray_h
41 
42 #include "vtkGenericDataArray.h"
43 
44 #include "vtkCommonCoreModule.h" // For export macro
45 #include "vtkTypeTraits.h" // For type metadata
46 
47 template <class Scalar> class vtkTypedDataArrayIterator;
48 
49 template <class Scalar>
51  public vtkGenericDataArray<vtkTypedDataArray<Scalar>, Scalar>
52 {
55 public:
57  typedef typename Superclass::ValueType ValueType;
58 
62  typedef vtkTypedDataArrayIterator<ValueType> Iterator;
63 
67  Iterator Begin();
68 
72  Iterator End();
73 
78 
88 
92  int GetDataType() VTK_OVERRIDE;
93 
97  int GetDataTypeSize() VTK_OVERRIDE;
98 
104  void SetNumberOfValues(vtkIdType num) VTK_OVERRIDE;
105 
109  virtual void SetTypedTuple(vtkIdType i, const ValueType *t) = 0;
110 
115  virtual void InsertTypedTuple(vtkIdType i, const ValueType *t) = 0;
116 
120  virtual vtkIdType InsertNextTypedTuple(const ValueType *t) = 0;
121 
125  virtual ValueType GetValue(vtkIdType idx) const = 0;
126 
130  virtual ValueType& GetValueReference(vtkIdType idx) = 0;
131 
136  virtual void SetValue(vtkIdType idx, ValueType value) = 0;
137 
141  virtual void GetTypedTuple(vtkIdType idx, ValueType *t) const = 0;
142 
146  virtual vtkIdType InsertNextValue(ValueType v) = 0;
147 
151  virtual void InsertValue(vtkIdType idx, ValueType v) = 0;
152 
153  virtual ValueType GetTypedComponent(vtkIdType tupleIdx, int comp) const;
154  virtual void SetTypedComponent(vtkIdType tupleIdx, int comp, ValueType v);
155 
159  int GetArrayType() VTK_OVERRIDE { return vtkAbstractArray::TypedDataArray; }
160 
161  // Reintroduced as pure virtual since the base vtkGenericDataArray method
162  // requires new allocation/resize APIs, though existing MappedDataArrays
163  // would just use the vtkDataArray-level virtuals.
164  virtual int Allocate(vtkIdType size, vtkIdType ext = 1000) = 0;
165  virtual int Resize(vtkIdType numTuples) = 0;
166 
167 protected:
170 
175  virtual bool AllocateTuples(vtkIdType numTuples);
176 
181  virtual bool ReallocateTuples(vtkIdType numTuples);
182 
183 private:
184  vtkTypedDataArray(const vtkTypedDataArray &) VTK_DELETE_FUNCTION;
185  void operator=(const vtkTypedDataArray &) VTK_DELETE_FUNCTION;
186 
187  friend class vtkGenericDataArray<vtkTypedDataArray<Scalar>, Scalar>;
188 };
189 
190 // Declare vtkArrayDownCast implementations for typed containers:
192 
193 // Included here to resolve chicken/egg issue with container/iterator:
194 #include "vtkTypedDataArrayIterator.h" // For iterator
195 
196 template <class Scalar> inline
198 {
199  return Iterator(this, 0);
200 }
201 
202 template <class Scalar> inline
204 {
205  return Iterator(this, this->MaxId + 1);
206 }
207 
208 #include "vtkTypedDataArray.txx"
209 
210 #endif //vtkTypedDataArray_h
211 
212 // VTK-HeaderTest-Exclude: vtkTypedDataArray.h
void SetNumberOfValues(vtkIdType num) override
Specify the number of values for this object to hold.
virtual void GetTypedTuple(vtkIdType idx, ValueType *t) const =0
Copy the tuple value into a user-provided array.
virtual ValueType GetTypedComponent(vtkIdType tupleIdx, int comp) const
virtual vtkIdType InsertNextTypedTuple(const ValueType *t)=0
Insert (memory allocation performed) the tuple onto the end of the array.
int GetDataType() override
Return the VTK data type held by this array.
abstract base class for most VTK objects
Definition: vtkObject.h:59
Abstract superclass for all arrays.
int GetDataTypeSize() override
Return the size of the element type in bytes.
vtkTemplateTypeMacro(SelfType, vtkDataArray) enum
Compile time access to the VTK type identifier.
int GetArrayType() override
Method for type-checking in FastDownCast implementations.
virtual vtkIdType InsertNextValue(ValueType v)=0
Insert data at the end of the array.
virtual bool ReallocateTuples(vtkIdType numTuples)
Needed for vtkGenericDataArray API, but just aborts.
static vtkTypedDataArray< Scalar > * FastDownCast(vtkAbstractArray *source)
Perform a fast, safe cast from a vtkAbstractArray to a vtkTypedDataArray.
int vtkIdType
Definition: vtkType.h:287
Base interface for all typed vtkDataArray subclasses.
virtual void InsertValue(vtkIdType idx, ValueType v)=0
Insert data at a specified position in the array.
Iterator End()
Return an iterator initialized to first element past the end of the data.
virtual void SetTypedComponent(vtkIdType tupleIdx, int comp, ValueType v)
virtual int Allocate(vtkIdType size, vtkIdType ext=1000)=0
Allocate memory for this array.
virtual void InsertTypedTuple(vtkIdType i, const ValueType *t)=0
Insert (memory allocation performed) the tuple into the ith location in the array.
virtual ValueType GetValue(vtkIdType idx) const =0
Get the data at a particular index.
virtual bool AllocateTuples(vtkIdType numTuples)
Needed for vtkGenericDataArray API, but just aborts.
virtual ValueType & GetValueReference(vtkIdType idx)=0
Get a reference to the scalar value at a particular index.
vtkTemplateTypeMacro(vtkTypedDataArray< Scalar >, GenericDataArrayType) typedef typename Superclass typedef vtkTypedDataArrayIterator< ValueType > Iterator
Typedef to a suitable iterator class.
Iterator Begin()
Return an iterator initialized to the first element of the data.
vtkArrayDownCast_TemplateFastCastMacro(vtkTypedDataArray) template< class Scalar > inline typename vtkTypedDataArray< Scalar >
Extend vtkDataArray with abstract type-specific API.
boost::graph_traits< vtkGraph * >::vertex_descriptor source(boost::graph_traits< vtkGraph * >::edge_descriptor e, vtkGraph *)
virtual void SetTypedTuple(vtkIdType i, const ValueType *t)=0
Set the tuple value at the ith location in the array.
virtual void SetValue(vtkIdType idx, ValueType value)=0
Set the data at a particular index.
STL-style random access iterator for vtkTypedDataArrays.
virtual int Resize(vtkIdType numTuples)=0
Resize the array to the requested number of tuples and preserve data.
Template defining traits of native types used by VTK.
Definition: vtkTypeTraits.h:32