vtkLinearExtrusionFilter.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkLinearExtrusionFilter.h,v $

  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 __vtkLinearExtrusionFilter_h
#define __vtkLinearExtrusionFilter_h

#include "vtkPolyDataAlgorithm.h"

class vtkDataArray;

#define VTK_VECTOR_EXTRUSION 1
#define VTK_NORMAL_EXTRUSION 2
#define VTK_POINT_EXTRUSION 3

class VTK_GRAPHICS_EXPORT vtkLinearExtrusionFilter : public vtkPolyDataAlgorithm 
{
public:
  vtkTypeRevisionMacro(vtkLinearExtrusionFilter,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkLinearExtrusionFilter *New();


  vtkSetClampMacro(ExtrusionType,int,VTK_VECTOR_EXTRUSION,VTK_POINT_EXTRUSION);
  vtkGetMacro(ExtrusionType,int);
  void SetExtrusionTypeToVectorExtrusion()
    {this->SetExtrusionType(VTK_VECTOR_EXTRUSION);};
  void SetExtrusionTypeToNormalExtrusion()
    {this->SetExtrusionType(VTK_NORMAL_EXTRUSION);};
  void SetExtrusionTypeToPointExtrusion()
    {this->SetExtrusionType(VTK_POINT_EXTRUSION);};


  vtkSetMacro(Capping,int);
  vtkGetMacro(Capping,int);
  vtkBooleanMacro(Capping,int);


  vtkSetMacro(ScaleFactor,double);
  vtkGetMacro(ScaleFactor,double);


  vtkSetVector3Macro(Vector,double);
  vtkGetVectorMacro(Vector,double,3);


  vtkSetVector3Macro(ExtrusionPoint,double);
  vtkGetVectorMacro(ExtrusionPoint,double,3);

protected:
  vtkLinearExtrusionFilter();
  ~vtkLinearExtrusionFilter() {};

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  int ExtrusionType;
  int Capping;
  double ScaleFactor;
  double Vector[3];
  double ExtrusionPoint[3];

  //BTX
  double *(vtkLinearExtrusionFilter::*ExtrudePoint)(double x[3], vtkIdType id, 
                                                   vtkDataArray *normals);
  double *ViaNormal(double x[3], vtkIdType id, vtkDataArray *normals);
  double *ViaVector(double x[3], vtkIdType id, vtkDataArray *normals=0);
  double *ViaPoint(double x[3], vtkIdType id, vtkDataArray *normals=0);
  //ETX
 
private:
  vtkLinearExtrusionFilter(const vtkLinearExtrusionFilter&);  // Not implemented.
  void operator=(const vtkLinearExtrusionFilter&);  // Not implemented.
};

#endif

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