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) override;


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


  void SetAxis(double x, double y, double z);
  void SetAxis(double a[3]);
  double* GetAxis() VTK_SIZEHINT(3);
  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(vtkTypeBool);
  vtkGetMacro(AlongXAxis, vtkTypeBool);
  vtkBooleanMacro(AlongXAxis, vtkTypeBool);
  void SetAlongYAxis(vtkTypeBool);
  vtkGetMacro(AlongYAxis, vtkTypeBool);
  vtkBooleanMacro(AlongYAxis, vtkTypeBool);
  void SetAlongZAxis(vtkTypeBool);
  vtkGetMacro(AlongZAxis, vtkTypeBool);
  vtkBooleanMacro(AlongZAxis, vtkTypeBool);


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


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


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


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


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


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


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


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

  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]);


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


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


  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);

  /*
   * Register internal Pickers within PickingManager
   */
  void RegisterPickers() override;


  vtkGetMacro(TranslationAxis, int);
  vtkSetClampMacro(TranslationAxis, int, -1, 2);


  void SetXTranslationAxisOn() { this->TranslationAxis = Axis::XAxis; }
  void SetYTranslationAxisOn() { this->TranslationAxis = Axis::YAxis; }
  void SetZTranslationAxisOn() { this->TranslationAxis = Axis::ZAxis; }
  void SetTranslationAxisOff() { this->TranslationAxis = Axis::NONE; }


  bool IsTranslationConstrained() { return this->TranslationAxis != Axis::NONE; }

protected:
  vtkImplicitCylinderRepresentation();
  ~vtkImplicitCylinderRepresentation() override;

  int RepresentationState;

  int TranslationAxis;

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

  // Control the radius
  double MinRadius;
  double MaxRadius;

  // Controlling the push operation
  double BumpDistance;

  // Controlling ivars
  vtkTypeBool AlongXAxis;
  vtkTypeBool AlongYAxis;
  vtkTypeBool 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);
  vtkTypeBool OutlineTranslation; // whether the outline can be moved
  vtkTypeBool ScaleEnabled;       // whether the widget can be scaled
  vtkTypeBool 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;
  vtkTypeBool DrawCylinder;
  void HighlightCylinder(int highlight);

  // Optional tubes are represented by extracting boundary edges and tubing
  vtkFeatureEdges* Edges;
  vtkTubeFilter* EdgesTuber;
  vtkPolyDataMapper* EdgesMapper;
  vtkActor* EdgesActor;
  vtkTypeBool 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;

  // 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&) = delete;
  void operator=(const vtkImplicitCylinderRepresentation&) = delete;
};

#endif