vtkPVInteractorStyle.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "qPCL.h"  // needed for export macro
#include "vtkInteractorStyleTrackballCamera.h"
 
class vtkCameraManipulator;
class vtkCollection;
 
class QPCL_ENGINE_LIB_API vtkPVInteractorStyle
    : public vtkInteractorStyleTrackballCamera {
public:
    static vtkPVInteractorStyle* New();
    vtkTypeMacro(vtkPVInteractorStyle, vtkInteractorStyleTrackballCamera);
    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;
 
 
    void OnKeyDown() override;
    void OnKeyUp() override;
 
    void OnChar() override;
 
    void AddManipulator(vtkCameraManipulator* m);
 
    void RemoveAllManipulators();
 
 
    vtkGetObjectMacro(CameraManipulators, vtkCollection);
 
 
    vtkSetVector3Macro(CenterOfRotation, double);
    vtkGetVector3Macro(CenterOfRotation, double);
 
 
    vtkSetMacro(RotationFactor, double);
    vtkGetMacro(RotationFactor, double);
 
    virtual vtkCameraManipulator* FindManipulator(int button,
                                                  int shift,
                                                  int control);
 
    static void DollyToPosition(double fact,
                                int* position,
                                vtkRenderer* renderer);
 
    static void TranslateCamera(
            vtkRenderer* renderer, int toX, int toY, int fromX, int fromY);
 
    using vtkInteractorStyleTrackballCamera::Dolly;
 
protected:
    vtkPVInteractorStyle();
    ~vtkPVInteractorStyle() override;
 
    void Dolly(double factor) override;
 
    vtkCameraManipulator* CurrentManipulator;
    double CenterOfRotation[3];
    double RotationFactor;
 
    // The CameraInteractors also store there button and modifier.
    vtkCollection* CameraManipulators;
 
    void OnButtonDown(int button, int shift, int control);
    void OnButtonUp(int button);
    void ResetLights();
 
    vtkPVInteractorStyle(const vtkPVInteractorStyle&) = delete;
    void operator=(const vtkPVInteractorStyle&) = delete;
};