vtkSplineRepresentation.h

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

  Program:   Visualization Toolkit
  Module:    vtkSplineRepresentation.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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 vtkSplineRepresentation_h
#define vtkSplineRepresentation_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkCurveRepresentation.h"

class vtkActor;
class vtkCellPicker;
class vtkDoubleArray;
class vtkParametricFunctionSource;
class vtkParametricSpline;
class vtkPlaneSource;
class vtkPoints;
class vtkPolyData;
class vtkProp;
class vtkProperty;
class vtkSphereSource;
class vtkTransform;

class VTKINTERACTIONWIDGETS_EXPORT vtkSplineRepresentation : public vtkCurveRepresentation
{
public:
  static vtkSplineRepresentation* New();
  vtkTypeMacro(vtkSplineRepresentation, vtkCurveRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);

  void GetPolyData(vtkPolyData *pd);

  virtual void SetNumberOfHandles(int npts);


  void SetResolution(int resolution);
  vtkGetMacro(Resolution,int);


  virtual void SetParametricSpline(vtkParametricSpline*);
  vtkGetObjectMacro(ParametricSpline,vtkParametricSpline);

  vtkDoubleArray* GetHandlePositions();

  double GetSummedLength();

  void InitializeHandles(vtkPoints* points);

  virtual void BuildRepresentation();

//BTX
protected:
  vtkSplineRepresentation();
  ~vtkSplineRepresentation();

  // The spline
  vtkParametricSpline *ParametricSpline;
  vtkParametricFunctionSource *ParametricFunctionSource;

  // The number of line segments used to represent the spline.
  int Resolution;

  // Specialized method to insert a handle on the poly line.
  virtual void InsertHandleOnLine(double* pos);

private:
  vtkSplineRepresentation(const vtkSplineRepresentation&); // Not implemented.
  void operator=(const vtkSplineRepresentation&); // Not implemented.
//ETX
};

#endif