vtkAbstractSplineRepresentation.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkAbstractSplineRepresentation_h
#define vtkAbstractSplineRepresentation_h
 
#include "vtkCurveRepresentation.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkParametricFunctionSource;
class vtkParametricSpline;
class vtkPolyDataMapper;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkAbstractSplineRepresentation : public vtkCurveRepresentation
{
public:
  vtkTypeMacro(vtkAbstractSplineRepresentation, vtkCurveRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void GetPolyData(vtkPolyData* pd) override;
 
 
  void SetResolution(int resolution);
  vtkGetMacro(Resolution, int);
 
 
  vtkGetObjectMacro(ParametricSpline, vtkParametricSpline);
  virtual void SetParametricSpline(vtkParametricSpline* spline);
 
  vtkDoubleArray* GetHandlePositions() override;
 
  double GetSummedLength() override;
 
protected:
  vtkAbstractSplineRepresentation();
  ~vtkAbstractSplineRepresentation() override;
 
  void CleanRepresentation();
 
  void SetParametricSplineInternal(vtkParametricSpline* spline);
 
  // The spline
  vtkParametricSpline* ParametricSpline = nullptr;
  vtkNew<vtkParametricFunctionSource> ParametricFunctionSource;
 
  // The number of line segments used to represent the spline.
  int Resolution = 499;
 
  // the mapper supposed to display the spline
  vtkNew<vtkPolyDataMapper> LineMapper;
 
private:
  vtkAbstractSplineRepresentation(const vtkAbstractSplineRepresentation&) = delete;
  void operator=(const vtkAbstractSplineRepresentation&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif