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