dox/Widgets/vtkAngleRepresentation2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkAngleRepresentation2D.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 __vtkAngleRepresentation2D_h
#define __vtkAngleRepresentation2D_h

#include "vtkAngleRepresentation.h"

class vtkLeaderActor2D;
class vtkProperty2D;


class VTK_WIDGETS_EXPORT vtkAngleRepresentation2D : public vtkAngleRepresentation
{
public:
  static vtkAngleRepresentation2D *New();


  vtkTypeMacro(vtkAngleRepresentation2D,vtkAngleRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual double GetAngle();


  virtual void GetPoint1WorldPosition(double pos[3]);
  virtual void GetCenterWorldPosition(double pos[3]);
  virtual void GetPoint2WorldPosition(double pos[3]);
  virtual void SetPoint1DisplayPosition(double pos[3]);
  virtual void SetCenterDisplayPosition(double pos[3]);
  virtual void SetPoint2DisplayPosition(double pos[3]);
  virtual void GetPoint1DisplayPosition(double pos[3]);
  virtual void GetCenterDisplayPosition(double pos[3]);
  virtual void GetPoint2DisplayPosition(double pos[3]);


  vtkGetObjectMacro(Ray1,vtkLeaderActor2D);
  vtkGetObjectMacro(Ray2,vtkLeaderActor2D);
  vtkGetObjectMacro(Arc,vtkLeaderActor2D);
  
  void BuildRepresentation();


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

protected:
  vtkAngleRepresentation2D();
  ~vtkAngleRepresentation2D();

  // The pieces that make up the angle representations
  vtkLeaderActor2D *Ray1;
  vtkLeaderActor2D *Ray2;
  vtkLeaderActor2D *Arc;

private:
  vtkAngleRepresentation2D(const vtkAngleRepresentation2D&);  //Not implemented
  void operator=(const vtkAngleRepresentation2D&);  //Not implemented
};

#endif