dox/Charts/vtkContextBufferId.h

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

  Program:   Visualization Toolkit
  Module:    vtkContextBufferId.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 __vtkContextBufferId_h
#define __vtkContextBufferId_h

#include "vtkAbstractContextBufferId.h"

class vtkIntArray;

class VTK_CHARTS_EXPORT vtkContextBufferId : public vtkAbstractContextBufferId
{
public:
  vtkTypeMacro(vtkContextBufferId, vtkAbstractContextBufferId);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  static vtkContextBufferId *New();
  
  virtual void Allocate();
  
  virtual bool IsAllocated() const;
  

  virtual void SetValues(int srcXmin,
                         int srcYmin);
  
  virtual vtkIdType GetPickedItem(int x, int y);
  
protected:
  vtkContextBufferId();
  virtual ~vtkContextBufferId();
  

  void SetValue(vtkIdType i,
                int value);
  
  int GetValue(vtkIdType i);
  
  vtkIntArray *IdArray;
  
private:
  vtkContextBufferId(const vtkContextBufferId &); // Not implemented.
  void operator=(const vtkContextBufferId &);   // Not implemented.
};

#endif // #ifndef __vtkContextBufferId_h