vtkInteractorStyleTrackballActor.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkInteractorStyleTrackballActor_h
#define vtkInteractorStyleTrackballActor_h
 
#include "vtkInteractionStyleModule.h" // For export macro
#include "vtkInteractorStyle.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkCellPicker;
 
class VTKINTERACTIONSTYLE_EXPORT VTK_MARSHALAUTO vtkInteractorStyleTrackballActor
  : public vtkInteractorStyle
{
public:
  static vtkInteractorStyleTrackballActor* New();
  vtkTypeMacro(vtkInteractorStyleTrackballActor, vtkInteractorStyle);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void OnMouseMove() override;
  void OnLeftButtonDown() override;
  void OnLeftButtonUp() override;
  void OnMiddleButtonDown() override;
  void OnMiddleButtonUp() override;
  void OnRightButtonDown() override;
  void OnRightButtonUp() override;
 
  // These methods for the different interactions in different modes
  // are overridden in subclasses to perform the correct motion. Since
  // they might be called from OnTimer, they do not have mouse coord parameters
  // (use interactor's GetEventPosition and GetLastEventPosition)
  void Rotate() override;
  void Spin() override;
  void Pan() override;
  void Dolly() override;
  void UniformScale() override;
 
protected:
  vtkInteractorStyleTrackballActor();
  ~vtkInteractorStyleTrackballActor() override;
 
  void FindPickedActor(int x, int y);
 
  void Prop3DTransform(
    vtkProp3D* prop3D, double* boxCenter, int NumRotation, double** rotate, double* scale);
 
  double MotionFactor;
 
  vtkProp3D* InteractionProp;
  vtkCellPicker* InteractionPicker;
 
private:
  vtkInteractorStyleTrackballActor(const vtkInteractorStyleTrackballActor&) = delete;
  void operator=(const vtkInteractorStyleTrackballActor&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif