vtkDistanceRepresentation2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkDistanceRepresentation2D.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 vtkDistanceRepresentation2D_h
#define vtkDistanceRepresentation2D_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkDistanceRepresentation.h"

class vtkAxisActor2D;
class vtkProperty2D;


class VTKINTERACTIONWIDGETS_EXPORT vtkDistanceRepresentation2D : public vtkDistanceRepresentation
{
public:
  static vtkDistanceRepresentation2D *New();


  vtkTypeMacro(vtkDistanceRepresentation2D,vtkDistanceRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual double GetDistance()
    {return this->Distance;}


  double* GetPoint1WorldPosition();
  double* GetPoint2WorldPosition();
  void GetPoint1WorldPosition(double pos[3]);
  void GetPoint2WorldPosition(double pos[3]);
  void SetPoint1WorldPosition(double pos[3]);
  void SetPoint2WorldPosition(double pos[3]);

  void SetPoint1DisplayPosition(double pos[3]);
  void SetPoint2DisplayPosition(double pos[3]);
  void GetPoint1DisplayPosition(double pos[3]);
  void GetPoint2DisplayPosition(double pos[3]);


  vtkAxisActor2D *GetAxis();
  vtkProperty2D  *GetAxisProperty();

  virtual void BuildRepresentation();


  virtual void ReleaseGraphicsResources(vtkWindow *w);
  virtual int RenderOverlay(vtkViewport *viewport);
  virtual int RenderOpaqueGeometry(vtkViewport *viewport);

protected:
  vtkDistanceRepresentation2D();
  ~vtkDistanceRepresentation2D();

  // Add a line to the mix
  vtkAxisActor2D *AxisActor;
  vtkProperty2D  *AxisProperty;

  // The distance between the two points
  double Distance;

private:
  vtkDistanceRepresentation2D(const vtkDistanceRepresentation2D&) VTK_DELETE_FUNCTION;
  void operator=(const vtkDistanceRepresentation2D&) VTK_DELETE_FUNCTION;
};

#endif