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/*=========================================================================
Program: Visualization Toolkit
Module: vtkVoidArray.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkVoidArray - dynamic, self-adjusting array of void* pointers
// .SECTION Description
// vtkVoidArray is an array of pointers to void. It provides methods
// for insertion and retrieval of these pointers values, and will
// automatically resize itself to hold new data.
#ifndef vtkVoidArray_h
#define vtkVoidArray_h
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkObject.h"
class VTKCOMMONCORE_EXPORT vtkVoidArray : public vtkObject
{
public:
// Description:
// Initialize with empty array.
static vtkVoidArray *New();
vtkTypeMacro(vtkVoidArray,vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Allocate memory for this array. Delete old storage only if necessary.
// Note that the parameter ext is no longer used.
int Allocate(vtkIdType sz, vtkIdType ext=1000);
// Description:
// Release storage and reset array to initial state.
void Initialize();
// Description:
// Return the type of data.
int GetDataType() {return VTK_VOID;}
// Description:
// Return the size of the data contained in the array.
int GetDataTypeSize() { return sizeof(void*); }
// Description:
// Set the number of void* pointers held in the array.
void SetNumberOfPointers(vtkIdType number)
{this->Allocate(number); this->NumberOfPointers = number;}
// Description:
// Get the number of void* pointers held in the array.
vtkIdType GetNumberOfPointers()
{return this->NumberOfPointers;}
// Description:
// Get the void* pointer at the ith location.
void* GetVoidPointer(vtkIdType id)
{return this->Array[id];}
// Description:
// Set the void* pointer value at the ith location in the array.
void SetVoidPointer(vtkIdType id, void* ptr)
{this->Array[id] = ptr;}
// Description:
// Insert (memory allocation performed) the void* into the ith location
// in the array.
void InsertVoidPointer(vtkIdType i, void* ptr);
// Description:
// Insert (memory allocation performed) the void* pointer at the
// end of the array.
vtkIdType InsertNextVoidPointer(void* tuple);
// Description:
// Reuse already allocated data; make the container look like it is
// empty.
void Reset()
{this->NumberOfPointers = 0;}
// Description:
// Resize the array to just fit the inserted memory. Reclaims extra memory.
void Squeeze()
{this->ResizeAndExtend (this->NumberOfPointers);}
// Description:
// Get the address of a particular data index. Performs no checks
// to verify that the memory has been allocated etc.
void** GetPointer(vtkIdType id) {return this->Array + id;}
// Description:
// Get the address of a particular data index. Make sure data is allocated
// for the number of items requested. Set NumberOfPointers according to
// the number of data values requested.
void** WritePointer(vtkIdType id, vtkIdType number);
// Description:
// Deep copy of another void array.
void DeepCopy(vtkVoidArray *va);
protected:
vtkVoidArray();
~vtkVoidArray();
vtkIdType NumberOfPointers;
vtkIdType Size;
void** Array; // pointer to data
void** ResizeAndExtend(vtkIdType sz); // function to resize data
private:
vtkVoidArray(const vtkVoidArray&); // Not implemented.
void operator=(const vtkVoidArray&); // Not implemented.
};
#endif
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