vtkPVTrackballZoomToMouse.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 "vtkPVTrackballZoom.h"
 
class QPCL_ENGINE_LIB_API vtkPVTrackballZoomToMouse
    : public vtkPVTrackballZoom {
public:
    static vtkPVTrackballZoomToMouse* New();
    vtkTypeMacro(vtkPVTrackballZoomToMouse, vtkPVTrackballZoom);
    void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
    void OnMouseMove(int x,
                     int y,
                     vtkRenderer* ren,
                     vtkRenderWindowInteractor* rwi) override;
    void OnButtonDown(int x,
                      int y,
                      vtkRenderer* ren,
                      vtkRenderWindowInteractor* rwi) override;
 
protected:
    vtkPVTrackballZoomToMouse();
    ~vtkPVTrackballZoomToMouse() override;
 
    int ZoomPosition[2];
 
    vtkPVTrackballZoomToMouse(const vtkPVTrackballZoomToMouse&) = delete;
    void operator=(const vtkPVTrackballZoomToMouse&) = delete;
};