---

Common/vtkUnsignedShortArray.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkUnsignedShortArray.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkUnsignedShortArray_h
#define __vtkUnsignedShortArray_h

#include "vtkDataArray.h"

class VTK_COMMON_EXPORT vtkUnsignedShortArray : public vtkDataArray 
{
public:
  static vtkUnsignedShortArray *New();

  vtkTypeRevisionMacro(vtkUnsignedShortArray,vtkDataArray);
  void PrintSelf(ostream& os, vtkIndent indent);

  int Allocate(const vtkIdType sz, const vtkIdType ext=1000);

  void Initialize();

  int GetDataType() {return VTK_UNSIGNED_SHORT;};

  int GetDataTypeSize() { return sizeof(unsigned short); }
  
  void SetNumberOfTuples(const vtkIdType number);

  float *GetTuple(const vtkIdType i);


  void GetTuple(const vtkIdType i, float * tuple);
  void GetTuple(const vtkIdType i, double * tuple);


  void SetTuple(const vtkIdType i, const float * tuple);
  void SetTuple(const vtkIdType i, const double * tuple);


  void InsertTuple(const vtkIdType i, const float * tuple);
  void InsertTuple(const vtkIdType i, const double * tuple);
  

  vtkIdType InsertNextTuple(const float * tuple);
  vtkIdType InsertNextTuple(const double * tuple);

  float GetComponent(const vtkIdType i, const int j);

  void SetComponent(const vtkIdType i, const int j, float c);

  void InsertComponent(const vtkIdType i, const int j, float c);

  unsigned short GetValue(const vtkIdType id) {return this->Array[id];};


  void SetValue(const vtkIdType id, const unsigned short value) {
    this->Array[id] = value;};
  
  void SetNumberOfValues(const vtkIdType number);

  void InsertValue(const vtkIdType id, const unsigned short i);

  vtkIdType InsertNextValue(const unsigned short);


  unsigned short *GetPointer(const vtkIdType id) {return this->Array + id;}
  void *GetVoidPointer(const vtkIdType id)
    {return (void *)this->GetPointer(id);};

  unsigned short *WritePointer(const vtkIdType id, const vtkIdType number);

  void DeepCopy(vtkDataArray *ia);


  void SetArray(unsigned short* array, vtkIdType size, int save);
  void SetVoidArray(void *array, vtkIdType size, int save) 
    {this->SetArray((unsigned short*)array, size, save);};

  void Squeeze() {this->ResizeAndExtend (this->MaxId+1);};

  virtual void Resize(vtkIdType numTuples);

protected:
  vtkUnsignedShortArray(vtkIdType numComp=1);
  ~vtkUnsignedShortArray();

  unsigned short *Array;   // pointer to data
  unsigned short *ResizeAndExtend(const vtkIdType sz);
    // function to resize data

  int TupleSize; //used for data conversion
  float *Tuple;

  int SaveUserArray;
private:
  vtkUnsignedShortArray(const vtkUnsignedShortArray&);  // Not implemented.
  void operator=(const vtkUnsignedShortArray&);  // Not implemented.
};

inline void vtkUnsignedShortArray::SetNumberOfValues(const vtkIdType number) 
{
  this->Allocate(number);
  this->MaxId = number - 1;
}

inline unsigned short *vtkUnsignedShortArray::WritePointer(const vtkIdType id,
                                                           const vtkIdType number) 
{
  vtkIdType newSize=id+number;
  if ( newSize > this->Size )
    {
    this->ResizeAndExtend(newSize);
    }
  if ( (--newSize) > this->MaxId )
    {
    this->MaxId = newSize;
    }
  return this->Array + id;
}

inline void vtkUnsignedShortArray::InsertValue(const vtkIdType id,
                                               const unsigned short i)
{
  if ( id >= this->Size )
    {
    this->ResizeAndExtend(id+1);
    }
  this->Array[id] = i;
  if ( id > this->MaxId )
    {
    this->MaxId = id;
    }
}

inline vtkIdType vtkUnsignedShortArray::InsertNextValue(const unsigned short i)
{
  this->InsertValue (++this->MaxId,i); 
  return this->MaxId;
}

#endif

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