vtkPointHandleRepresentation2D.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkPointHandleRepresentation2D_h
#define vtkPointHandleRepresentation2D_h
 
#include "vtkHandleRepresentation.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkProperty2D;
class vtkActor2D;
class vtkCoordinate;
class vtkPolyDataMapper2D;
class vtkPolyData;
class vtkGlyph2D;
class vtkPoints;
class vtkPolyDataAlgorithm;
class vtkPointPlacer;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkPointHandleRepresentation2D : public vtkHandleRepresentation
{
public:
  static vtkPointHandleRepresentation2D* New();


  vtkTypeMacro(vtkPointHandleRepresentation2D, vtkHandleRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  using vtkHandleRepresentation::Translate;


  void SetCursorShape(vtkPolyData* cursorShape);
  vtkPolyData* GetCursorShape();

  void SetDisplayPosition(double xyz[3]) override;


  void SetProperty(vtkProperty2D*);
  void SetSelectedProperty(vtkProperty2D*);
  vtkGetObjectMacro(Property, vtkProperty2D);
  vtkGetObjectMacro(SelectedProperty, vtkProperty2D);


  double* GetBounds() VTK_SIZEHINT(6) override;
  void BuildRepresentation() override;
  void StartWidgetInteraction(double eventPos[2]) override;
  void WidgetInteraction(double eventPos[2]) override;
  int ComputeInteractionState(int X, int Y, int modify = 0) override;


  void ShallowCopy(vtkProp* prop) override;
  void DeepCopy(vtkProp* prop) override;
  void GetActors2D(vtkPropCollection*) override;
  void ReleaseGraphicsResources(vtkWindow*) override;
  int RenderOverlay(vtkViewport* viewport) override;
 
  void Highlight(int highlight) override;

  void SetPointPlacer(vtkPointPlacer*) override;

  void SetVisibility(vtkTypeBool visible) override;
 
protected:
  vtkPointHandleRepresentation2D();
  ~vtkPointHandleRepresentation2D() override;
 
  // Render the cursor
  vtkActor2D* Actor;
  vtkCoordinate* MapperCoordinate;
  vtkPolyDataMapper2D* Mapper;
  vtkGlyph2D* Glypher;
  vtkPolyData* CursorShape;
  vtkPolyData* FocalData;
  vtkPoints* FocalPoint;
 
  // Support picking
  double LastPickPosition[3];
  double LastEventPosition[2];
 
  // Methods to manipulate the cursor
  void Translate(const double* eventPos) override;
  void Scale(const double eventPos[2]);
 
  // Properties used to control the appearance of selected objects and
  // the manipulator in general.
  vtkProperty2D* Property;
  vtkProperty2D* SelectedProperty;
  void CreateDefaultProperties();
 
  // The size of the hot spot.
  int WaitingForMotion;
  int WaitCount;
 
private:
  vtkPointHandleRepresentation2D(const vtkPointHandleRepresentation2D&) = delete;
  void operator=(const vtkPointHandleRepresentation2D&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif