vtkTrackballZoomToMouse.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkTrackballZoomToMouse_h
#define vtkTrackballZoomToMouse_h

#include "vtkTrackballZoom.h"

#include "vtkInteractionStyleModule.h" // needed for export macro

VTK_ABI_NAMESPACE_BEGIN
class VTKINTERACTIONSTYLE_EXPORT vtkTrackballZoomToMouse : public vtkTrackballZoom
{
public:
  static vtkTrackballZoomToMouse* New();
  vtkTypeMacro(vtkTrackballZoomToMouse, vtkTrackballZoom);
  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:
  vtkTrackballZoomToMouse();
  ~vtkTrackballZoomToMouse() override;

private:
  vtkTrackballZoomToMouse(const vtkTrackballZoomToMouse&) = delete;
  void operator=(const vtkTrackballZoomToMouse&) = delete;

  int ZoomPosition[2] = { 0, 0 };
};
VTK_ABI_NAMESPACE_END
#endif