vtkIdList.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkIdList.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.
 
=========================================================================*/
#ifndef vtkIdList_h
#define vtkIdList_h
 
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkObject.h"
 
class VTKCOMMONCORE_EXPORT vtkIdList : public vtkObject
{
public:
  static vtkIdList *New();
 
  void Initialize();
 
  int Allocate(const vtkIdType sz, const int strategy=0);
 
  vtkTypeMacro(vtkIdList,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  vtkIdType GetNumberOfIds() {return this->NumberOfIds;};
 
  vtkIdType GetId(const vtkIdType i) {return this->Ids[i];};
 
  void SetNumberOfIds(const vtkIdType number);
 
  void SetId(const vtkIdType i, const vtkIdType vtkid) {this->Ids[i] = vtkid;};
 
  void InsertId(const vtkIdType i, const vtkIdType vtkid);
 
  vtkIdType InsertNextId(const vtkIdType vtkid);
 
  vtkIdType InsertUniqueId(const vtkIdType vtkid);
 
  vtkIdType *GetPointer(const vtkIdType i) {return this->Ids + i;};
 
  vtkIdType *WritePointer(const vtkIdType i, const vtkIdType number);
 
  void Reset() {this->NumberOfIds = 0;};
 
  void Squeeze() {this->Resize(this->NumberOfIds);};
 
  void DeepCopy(vtkIdList *ids);
 
  void DeleteId(vtkIdType vtkid);
 
  vtkIdType IsId(vtkIdType vtkid);
 
  void IntersectWith(vtkIdList* otherIds);
 
  vtkIdType *Resize(const vtkIdType sz);
 
  //BTX
  // This method should become legacy
  void IntersectWith(vtkIdList& otherIds) {
    this->IntersectWith(&otherIds); };
  //ETX
 
protected:
  vtkIdList();
  ~vtkIdList();
 
  vtkIdType NumberOfIds;
  vtkIdType Size;
  vtkIdType *Ids;
 
private:
  vtkIdList(const vtkIdList&);  // Not implemented.
  void operator=(const vtkIdList&);  // Not implemented.
};
 
// In-lined for performance
inline void vtkIdList::InsertId(const vtkIdType i, const vtkIdType vtkid)
{
  if (i >= this->Size)
    {
    this->Resize(i + 1);
    }
  this->Ids[i] = vtkid;
  if (i >= this->NumberOfIds)
    {
    this->NumberOfIds = i + 1;
    }
}
 
// In-lined for performance
inline vtkIdType vtkIdList::InsertNextId(const vtkIdType vtkid)
{
  if ( this->NumberOfIds >= this->Size )
    {
    if (!this->Resize(this->NumberOfIds+1))
      {
      return this->NumberOfIds-1;
      }
    }
  this->Ids[this->NumberOfIds++] = vtkid;
  return this->NumberOfIds-1;
}
 
inline vtkIdType vtkIdList::IsId(vtkIdType vtkid)
{
  vtkIdType *ptr, i;
  for (ptr=this->Ids, i=0; i<this->NumberOfIds; i++, ptr++)
    {
    if ( vtkid == *ptr )
      {
      return i;
      }
    }
  return (-1);
}
 
#endif