vtkAbstractContextBufferId.h

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

  Program:   Visualization Toolkit
  Module:    vtkAbstractContextBufferId.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 __vtkAbstractContextBufferId_h
#define __vtkAbstractContextBufferId_h

#include "vtkRenderingContext2DModule.h" // For export macro
#include "vtkObject.h"

class VTKRENDERINGCONTEXT2D_EXPORT vtkAbstractContextBufferId : public vtkObject
{
public:
  vtkTypeMacro(vtkAbstractContextBufferId, vtkObject);
  virtual void PrintSelf(ostream &os, vtkIndent indent);


  vtkGetMacro(Width,int);


  vtkSetMacro(Width,int);


  vtkGetMacro(Height,int);


  vtkSetMacro(Height,int);

  virtual void Allocate()=0;

  virtual bool IsAllocated() const=0;


  virtual void SetValues(int srcXmin,
                         int srcYmin)=0;

  virtual vtkIdType GetPickedItem(int x, int y)=0;

  virtual void ReleaseGraphicsResources();

protected:
  vtkAbstractContextBufferId();
  virtual ~vtkAbstractContextBufferId();

  int Width;
  int Height;

private:
  vtkAbstractContextBufferId(const vtkAbstractContextBufferId &); // Not implemented.
  void operator=(const vtkAbstractContextBufferId &);   // Not implemented.
};

#endif // #ifndef __vtkAbstractContextBufferId_h