vtkCameraManipulator.h

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/*=========================================================================

  Program:   ParaView
  Module:    vtkCameraManipulator.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkCameraManipulator_h
#define vtkCameraManipulator_h

#include "vtkObject.h"
#include "vtkPVVTKExtensionsInteractionStyleModule.h" // needed for export macro

class vtkCameraManipulatorGUIHelper;
class vtkRenderer;
class vtkRenderWindowInteractor;

class VTKPVVTKEXTENSIONSINTERACTIONSTYLE_EXPORT 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;
};

#endif