vtkCameraManipulator.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 "vtkObject.h"
 
class vtkCameraManipulatorGUIHelper;
class vtkRenderer;
class vtkRenderWindowInteractor;
 
class QPCL_ENGINE_LIB_API vtkCameraManipulator : public vtkObject {
public:
    static vtkCameraManipulator* New();
    vtkTypeMacro(vtkCameraManipulator, vtkObject);
    void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
    virtual void StartInteraction();
    virtual void EndInteraction();
 
    virtual void OnMouseMove(int x,
                             int y,
                             vtkRenderer* ren,
                             vtkRenderWindowInteractor* iren);
    virtual void OnButtonDown(int x,
                              int y,
                              vtkRenderer* ren,
                              vtkRenderWindowInteractor* iren);
    virtual void OnButtonUp(int x,
                            int y,
                            vtkRenderer* ren,
                            vtkRenderWindowInteractor* iren);
 
 
    virtual void OnKeyUp(vtkRenderWindowInteractor* iren);
    virtual void OnKeyDown(vtkRenderWindowInteractor* iren);
 
 
    vtkSetMacro(Button, int);
    vtkGetMacro(Button, int);
    vtkSetMacro(Shift, int);
    vtkGetMacro(Shift, int);
    vtkBooleanMacro(Shift, int);
    vtkSetMacro(Control, int);
    vtkGetMacro(Control, int);
    vtkBooleanMacro(Control, int);
 
 
    vtkSetVector3Macro(Center, double);
    vtkGetVector3Macro(Center, double);
 
 
    vtkSetMacro(RotationFactor, double);
    vtkGetMacro(RotationFactor, double);
 
 
    vtkSetStringMacro(ManipulatorName);
    vtkGetStringMacro(ManipulatorName);
 
 
    void SetGUIHelper(vtkCameraManipulatorGUIHelper*);
    vtkGetObjectMacro(GUIHelper, vtkCameraManipulatorGUIHelper);
 
protected:
    vtkCameraManipulator();
    ~vtkCameraManipulator() override;
 
    char* ManipulatorName;
 
    int Button;
    int Shift;
    int Control;
 
    double Center[3];
    double RotationFactor;
    double DisplayCenter[2];
    void ComputeDisplayCenter(vtkRenderer* ren);
 
    vtkCameraManipulatorGUIHelper* GUIHelper;
 
private:
    vtkCameraManipulator(const vtkCameraManipulator&) = delete;
    void operator=(const vtkCameraManipulator&) = delete;
};