vtkImplicitCylinderRepresentation.h

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

  Program:   Visualization Toolkit
  Module:    vtkImplicitCylinderRepresentation.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 vtkImplicitCylinderRepresentation_h
#define vtkImplicitCylinderRepresentation_h

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

class vtkActor;
class vtkPolyDataMapper;
class vtkCellPicker;
class vtkConeSource;
class vtkLineSource;
class vtkSphereSource;
class vtkTubeFilter;
class vtkCylinder;
class vtkProperty;
class vtkImageData;
class vtkOutlineFilter;
class vtkFeatureEdges;
class vtkPolyData;
class vtkPolyDataAlgorithm;
class vtkTransform;
class vtkBox;
class vtkLookupTable;

#define VTK_MAX_CYL_RESOLUTION 2048

class VTKINTERACTIONWIDGETS_EXPORT vtkImplicitCylinderRepresentation : public vtkWidgetRepresentation
{
public:
  static vtkImplicitCylinderRepresentation *New();


  vtkTypeMacro(vtkImplicitCylinderRepresentation,vtkWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetCenter(double x, double y, double z);
  void SetCenter(double x[3]);
  double* GetCenter();
  void GetCenter(double xyz[3]);


  void SetAxis(double x, double y, double z);
  void SetAxis(double a[3]);
  double* GetAxis();
  void GetAxis(double a[3]);


  void SetRadius(double r);
  double GetRadius();


  vtkSetClampMacro(MinRadius,double,0.001,0.25);
  vtkGetMacro(MinRadius,double);
  vtkSetClampMacro(MaxRadius,double,0.25,VTK_FLOAT_MAX);
  vtkGetMacro(MaxRadius,double);


  void SetAlongXAxis(int);
  vtkGetMacro(AlongXAxis,int);
  vtkBooleanMacro(AlongXAxis,int);
  void SetAlongYAxis(int);
  vtkGetMacro(AlongYAxis,int);
  vtkBooleanMacro(AlongYAxis,int);
  void SetAlongZAxis(int);
  vtkGetMacro(AlongZAxis,int);
  vtkBooleanMacro(AlongZAxis,int);


  void SetDrawCylinder(int drawCyl);
  vtkGetMacro(DrawCylinder,int);
  vtkBooleanMacro(DrawCylinder,int);


  vtkSetClampMacro(Resolution,int,8,VTK_MAX_CYL_RESOLUTION);
  vtkGetMacro(Resolution,int);


  vtkSetMacro(Tubing,int);
  vtkGetMacro(Tubing,int);
  vtkBooleanMacro(Tubing,int);


  vtkSetMacro(OutlineTranslation,int);
  vtkGetMacro(OutlineTranslation,int);
  vtkBooleanMacro(OutlineTranslation,int);


  vtkSetMacro(OutsideBounds,int);
  vtkGetMacro(OutsideBounds,int);
  vtkBooleanMacro(OutsideBounds,int);


  vtkSetVector6Macro(WidgetBounds, double);
  vtkGetVector6Macro(WidgetBounds, double);


  vtkSetMacro(ConstrainToWidgetBounds, int);
  vtkGetMacro(ConstrainToWidgetBounds, int);
  vtkBooleanMacro(ConstrainToWidgetBounds, int);


  vtkSetMacro(ScaleEnabled,int);
  vtkGetMacro(ScaleEnabled,int);
  vtkBooleanMacro(ScaleEnabled,int);

  void GetCylinder(vtkCylinder *cyl);

  void GetPolyData(vtkPolyData *pd);

  void UpdatePlacement(void);


  vtkGetObjectMacro(AxisProperty,vtkProperty);
  vtkGetObjectMacro(SelectedAxisProperty,vtkProperty);


  vtkGetObjectMacro(CylinderProperty,vtkProperty);
  vtkGetObjectMacro(SelectedCylinderProperty,vtkProperty);


  vtkGetObjectMacro(OutlineProperty,vtkProperty);
  vtkGetObjectMacro(SelectedOutlineProperty,vtkProperty);


  vtkGetObjectMacro(EdgesProperty,vtkProperty);


  void SetEdgeColor(vtkLookupTable*);
  void SetEdgeColor(double, double, double);
  void SetEdgeColor(double x[3]);


  virtual int ComputeInteractionState(int X, int Y, int modify=0);
  virtual void PlaceWidget(double bounds[6]);
  virtual void BuildRepresentation();
  virtual void StartWidgetInteraction(double eventPos[2]);
  virtual void WidgetInteraction(double newEventPos[2]);
  virtual void EndWidgetInteraction(double newEventPos[2]);


  virtual double *GetBounds();
  virtual void GetActors(vtkPropCollection *pc);
  virtual void ReleaseGraphicsResources(vtkWindow*);
  virtual int RenderOpaqueGeometry(vtkViewport*);
  virtual int RenderTranslucentPolygonalGeometry(vtkViewport*);
  virtual int HasTranslucentPolygonalGeometry();


  vtkSetClampMacro(BumpDistance,double,0.000001,1);
  vtkGetMacro(BumpDistance,double);

  void BumpCylinder(int dir, double factor);

  void PushCylinder(double distance);

  // Manage the state of the widget
  enum _InteractionState
  {
    Outside=0,
    Moving,
    MovingOutline,
    MovingCenter,
    RotatingAxis,
    AdjustingRadius,
    Scaling,
    TranslatingCenter
  };


  vtkSetClampMacro(InteractionState,int,Outside,TranslatingCenter);


  virtual void SetRepresentationState(int);
  vtkGetMacro(RepresentationState, int);

protected:
  vtkImplicitCylinderRepresentation();
  ~vtkImplicitCylinderRepresentation();

  int RepresentationState;

  // Keep track of event positions
  double LastEventPosition[3];

  // Control the radius
  double MinRadius;
  double MaxRadius;

  // Controlling the push operation
  double BumpDistance;

  // Controlling ivars
  int AlongXAxis;
  int AlongYAxis;
  int AlongZAxis;

  // The actual cylinder which is being manipulated
  vtkCylinder *Cylinder;

  // The facet resolution for rendering purposes.
  int Resolution;

  // The bounding box is represented by a single voxel image data
  vtkImageData      *Box;
  vtkOutlineFilter  *Outline;
  vtkPolyDataMapper *OutlineMapper;
  vtkActor          *OutlineActor;
  void HighlightOutline(int highlight);
  int  OutlineTranslation; //whether the outline can be moved
  int  ScaleEnabled; //whether the widget can be scaled
  int  OutsideBounds; //whether the widget can be moved outside input's bounds
  double WidgetBounds[6];
  int ConstrainToWidgetBounds;

  // The cut cylinder is produced with a vtkCutter
  vtkPolyData       *Cyl;
  vtkPolyDataMapper *CylMapper;
  vtkActor          *CylActor;
  int                DrawCylinder;
  void HighlightCylinder(int highlight);

  // Optional tubes are represented by extracting boundary edges and tubing
  vtkFeatureEdges   *Edges;
  vtkTubeFilter     *EdgesTuber;
  vtkPolyDataMapper *EdgesMapper;
  vtkActor          *EdgesActor;
  int                Tubing; //control whether tubing is on

  // The + normal cone (i.e., in positive direction along normal)
  vtkConeSource     *ConeSource;
  vtkPolyDataMapper *ConeMapper;
  vtkActor          *ConeActor;
  void HighlightNormal(int highlight);

  // The + normal line
  vtkLineSource     *LineSource;
  vtkPolyDataMapper *LineMapper;
  vtkActor          *LineActor;

  // The - normal cone
  vtkConeSource     *ConeSource2;
  vtkPolyDataMapper *ConeMapper2;
  vtkActor          *ConeActor2;

  // The - normal line
  vtkLineSource     *LineSource2;
  vtkPolyDataMapper *LineMapper2;
  vtkActor          *LineActor2;

  // The center positioning handle
  vtkSphereSource   *Sphere;
  vtkPolyDataMapper *SphereMapper;
  vtkActor          *SphereActor;

  // Do the picking
  vtkCellPicker *Picker;
  vtkCellPicker *CylPicker;

  // Register internal Pickers within PickingManager
  virtual void RegisterPickers();

  // Transform the normal (used for rotation)
  vtkTransform *Transform;

  // Methods to manipulate the cylinder
  void Rotate(double X, double Y, double *p1, double *p2, double *vpn);
  void TranslateCylinder(double *p1, double *p2);
  void TranslateOutline(double *p1, double *p2);
  void TranslateCenter(double *p1, double *p2);
  void TranslateCenterOnAxis(double *p1, double *p2);
  void ScaleRadius(double *p1, double *p2);
  void AdjustRadius(double X, double Y, double *p1, double *p2);
  void Scale(double *p1, double *p2, double X, double Y);
  void SizeHandles();

  // Properties used to control the appearance of selected objects and
  // the manipulator in general.
  vtkProperty *AxisProperty;
  vtkProperty *SelectedAxisProperty;
  vtkProperty *CylinderProperty;
  vtkProperty *SelectedCylinderProperty;
  vtkProperty *OutlineProperty;
  vtkProperty *SelectedOutlineProperty;
  vtkProperty *EdgesProperty;
  void CreateDefaultProperties();

  // Intersect oriented infinite cylinder against bounding box
  void BuildCylinder();

  // Support GetBounds() method
  vtkBox *BoundingBox;

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

#endif