vtkPVAxesWidget.h

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

  Program:   ParaView
  Module:    vtkSMProxy.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 vtkPVAxesWidget_h
#define vtkPVAxesWidget_h

#include "vtkInteractorObserver.h"
#include "vtkRemotingViewsModule.h" // needed for export macro

class vtkActor2D;
class vtkKWApplication;
class vtkPolyData;
class vtkPVAxesActor;
class vtkRenderer;

class VTKREMOTINGVIEWS_EXPORT vtkPVAxesWidget : public vtkInteractorObserver
{
public:
  static vtkPVAxesWidget* New();
  vtkTypeMacro(vtkPVAxesWidget, vtkInteractorObserver);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static const int RendererLayer = 1;


  void SetAxesActor(vtkPVAxesActor* actor);
  vtkGetObjectMacro(AxesActor, vtkPVAxesActor);


  void SetParentRenderer(vtkRenderer* ren);
  vtkRenderer* GetParentRenderer();

  void SetInteractor(vtkRenderWindowInteractor* iren) override;

  vtkGetObjectMacro(Renderer, vtkRenderer);

  void SetEnabled(int) override;


  void SetVisibility(bool val);
  bool GetVisibility();


  void SetOutlineColor(double r, double g, double b);
  double* GetOutlineColor();


  void SetAxisLabelColor(double r, double g, double b);
  double* GetAxisLabelColor();


  void SetViewport(double minX, double minY, double maxX, double maxY);
  double* GetViewport();


  void SetXAxisColor(double r, double g, double b);
  void SetYAxisColor(double r, double g, double b);
  void SetZAxisColor(double r, double g, double b);

  void SetXAxisVisibility(bool vis);
  void SetYAxisVisibility(bool vis);
  void SetZAxisVisibility(bool vis);

  void SetXAxisLabelText(const char* text);
  void SetYAxisLabelText(const char* text);
  void SetZAxisLabelText(const char* text);

protected:
  vtkPVAxesWidget();
  ~vtkPVAxesWidget() override;

  vtkRenderer* Renderer;
  vtkRenderer* ParentRenderer;

  vtkPVAxesActor* AxesActor;
  vtkPolyData* Outline;
  vtkActor2D* OutlineActor;

  static void ProcessEvents(
    vtkObject* object, unsigned long event, void* clientdata, void* calldata);

  void UpdateCameraFromParentRenderer();

  int MouseCursorState;
  int Moving;
  int StartPosition[2];

  void UpdateCursorIcon();
  void SetMouseCursor(int cursorState);

  enum AxesWidgetState
  {
    Outside = 0,
    Inside,
    TopLeft,
    TopRight,
    BottomLeft,
    BottomRight
  };

  void OnButtonPress();
  void OnMouseMove();
  void OnButtonRelease();
  void MoveWidget();
  void ResizeTopLeft();
  void ResizeTopRight();
  void ResizeBottomLeft();
  void ResizeBottomRight();
  void SquareRenderer();

  unsigned long StartEventObserverId;

private:
  vtkPVAxesWidget(const vtkPVAxesWidget&) = delete;
  void operator=(const vtkPVAxesWidget&) = delete;
};

#endif