dox/Interaction/Widgets/vtkAngleRepresentation3D.h

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

  Program:   Visualization Toolkit
  Module:    vtkAngleRepresentation3D.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 __vtkAngleRepresentation3D_h
#define __vtkAngleRepresentation3D_h

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

class vtkActor;
class vtkProperty;
class vtkPolyDataMapper;
class vtkLineSource;
class vtkArcSource;
class vtkFollower;
class vtkVectorText;
class vtkPolyDataMapper;
class vtkTextProperty;

class VTKINTERACTIONWIDGETS_EXPORT vtkAngleRepresentation3D : public vtkAngleRepresentation
{
public:
  static vtkAngleRepresentation3D *New();


  vtkTypeMacro(vtkAngleRepresentation3D,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 SetPoint1WorldPosition(double pos[3]);
  virtual void SetPoint1DisplayPosition(double pos[3]);
  virtual void SetCenterWorldPosition(double pos[3]);
  virtual void SetCenterDisplayPosition(double pos[3]);
  virtual void SetPoint2WorldPosition(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,vtkActor);
  vtkGetObjectMacro(Ray2,vtkActor);
  vtkGetObjectMacro(Arc,vtkActor);
  vtkGetObjectMacro(TextActor,vtkFollower);


  virtual void SetTextActorScale( double scale[3] );
  virtual double * GetTextActorScale();

  void BuildRepresentation();


  virtual void ReleaseGraphicsResources(vtkWindow *w);
  virtual int RenderOpaqueGeometry(vtkViewport*);
  virtual int RenderTranslucentPolygonalGeometry(vtkViewport*);
  virtual int HasTranslucentPolygonalGeometry();

protected:
  vtkAngleRepresentation3D();
  ~vtkAngleRepresentation3D();

  // The pieces that make up the angle representations
  vtkLineSource     *Line1Source;
  vtkLineSource     *Line2Source;
  vtkArcSource      *ArcSource;
  vtkPolyDataMapper *Line1Mapper;
  vtkPolyDataMapper *Line2Mapper;
  vtkPolyDataMapper *ArcMapper;
  vtkActor          *Ray1;
  vtkActor          *Ray2;
  vtkActor          *Arc;
  vtkFollower       *TextActor;
  vtkPolyDataMapper *TextMapper;
  vtkVectorText     *TextInput;
  double             Angle;
  bool               ScaleInitialized;
  double             TextPosition[3];

private:
  vtkAngleRepresentation3D(const vtkAngleRepresentation3D&);  //Not implemented
  void operator=(const vtkAngleRepresentation3D&);  //Not implemented
};

#endif