vtkSphereHandleRepresentation.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSphereHandleRepresentation.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 vtkSphereHandleRepresentation_h
#define vtkSphereHandleRepresentation_h
 
#include "vtkHandleRepresentation.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkSphereSource.h"             // Needed for delegation to sphere
 
class vtkSphereSource;
class vtkProperty;
class vtkActor;
class vtkPolyDataMapper;
class vtkCellPicker;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkSphereHandleRepresentation : public vtkHandleRepresentation
{
public:
  static vtkSphereHandleRepresentation* New();
 
 
  vtkTypeMacro(vtkSphereHandleRepresentation, vtkHandleRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  using vtkHandleRepresentation::Translate;
 
 
  void SetWorldPosition(double p[3]) override;
  void SetDisplayPosition(double p[3]) override;
 
 
  vtkSetMacro(TranslationMode, vtkTypeBool);
  vtkGetMacro(TranslationMode, vtkTypeBool);
  vtkBooleanMacro(TranslationMode, vtkTypeBool);
 
  void SetSphereRadius(double);
  double GetSphereRadius();
 
 
  void SetProperty(vtkProperty*);
  void SetSelectedProperty(vtkProperty*);
  vtkGetObjectMacro(Property, vtkProperty);
  vtkGetObjectMacro(SelectedProperty, vtkProperty);
 
 
  vtkSetClampMacro(HotSpotSize, double, 0.0, 1.0);
  vtkGetMacro(HotSpotSize, double);
 
  void SetHandleSize(double size) override;
 
 
  double* GetBounds() VTK_SIZEHINT(6) override;
  void BuildRepresentation() override;
  void StartWidgetInteraction(double eventPos[2]) override;
  void WidgetInteraction(double eventPos[2]) override;
  int ComputeInteractionState(int X, int Y, int modify = 0) override;
  void PlaceWidget(double bounds[6]) override;
 
 
  void ShallowCopy(vtkProp* prop) override;
  void DeepCopy(vtkProp* prop) override;
  void GetActors(vtkPropCollection*) override;
  void ReleaseGraphicsResources(vtkWindow*) override;
  int RenderOpaqueGeometry(vtkViewport* viewport) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport* viewport) override;
  vtkTypeBool HasTranslucentPolygonalGeometry() override;
 
  void Highlight(int highlight) override;
 
  /*
   * Register internal Pickers within PickingManager
   */
  void RegisterPickers() override;
 
  void SetVisibility(vtkTypeBool visible) override;
 
protected:
  vtkSphereHandleRepresentation();
  ~vtkSphereHandleRepresentation() override;
 
  // the cursor3D
  vtkActor* Actor;
  vtkPolyDataMapper* Mapper;
  vtkSphereSource* Sphere;
  // void Highlight(int highlight);
 
  // Do the picking
  vtkCellPicker* CursorPicker;
  double LastPickPosition[3];
  double LastEventPosition[2];
 
  // Methods to manipulate the cursor
  int ConstraintAxis;
  void Translate(const double* p1, const double* p2) override;
  void Scale(const double* p1, const double* p2, const double eventPos[2]);
  void MoveFocus(const double* p1, const double* p2);
  void SizeBounds();
 
  // Properties used to control the appearance of selected objects and
  // the manipulator in general.
  vtkProperty* Property;
  vtkProperty* SelectedProperty;
  void CreateDefaultProperties();
 
  // The size of the hot spot.
  double HotSpotSize;
  int WaitingForMotion;
  int WaitCount;
 
  // Current handle sized (may reflect scaling)
  double CurrentHandleSize;
 
  // Control how translation works
  vtkTypeBool TranslationMode;
 
private:
  vtkSphereHandleRepresentation(const vtkSphereHandleRepresentation&) = delete;
  void operator=(const vtkSphereHandleRepresentation&) = delete;
};
 
#endif