dox/Graphics/vtkTransformCoordinateSystems.h

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

  Program:   Visualization Toolkit
  Module:    vtkTransformCoordinateSystems.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 __vtkTransformCoordinateSystems_h
#define __vtkTransformCoordinateSystems_h

#include "vtkPointSetAlgorithm.h"
#include "vtkCoordinate.h" //to get the defines in vtkCoordinate

class VTK_GRAPHICS_EXPORT vtkTransformCoordinateSystems : public vtkPointSetAlgorithm
{
public:

  vtkTypeMacro(vtkTransformCoordinateSystems,vtkPointSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkTransformCoordinateSystems *New();


  vtkSetMacro(InputCoordinateSystem, int);
  vtkGetMacro(InputCoordinateSystem, int);
  void SetInputCoordinateSystemToDisplay() 
    {this->SetInputCoordinateSystem(VTK_DISPLAY);}
  void SetInputCoordinateSystemToViewport() 
    {this->SetInputCoordinateSystem(VTK_VIEWPORT);}
  void SetInputCoordinateSystemToWorld() 
    {this->SetInputCoordinateSystem(VTK_WORLD);}
    

  vtkSetMacro(OutputCoordinateSystem, int);
  vtkGetMacro(OutputCoordinateSystem, int);
  void SetOutputCoordinateSystemToDisplay() 
    {this->SetOutputCoordinateSystem(VTK_DISPLAY);}
  void SetOutputCoordinateSystemToViewport() 
    {this->SetOutputCoordinateSystem(VTK_VIEWPORT);}
  void SetOutputCoordinateSystemToWorld() 
    {this->SetOutputCoordinateSystem(VTK_WORLD);}
    
  unsigned long GetMTime();


  void SetViewport(vtkViewport *viewport);
  vtkGetObjectMacro(Viewport,vtkViewport);

protected:
  vtkTransformCoordinateSystems();
  ~vtkTransformCoordinateSystems();

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  int InputCoordinateSystem;
  int OutputCoordinateSystem;
  vtkViewport *Viewport;

  vtkCoordinate *TransformCoordinate;

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

#endif