vtkPolyDataSilhouette.h

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

  Program:   Visualization Toolkit
  Module:    vtkPolyDataSilhouette.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 vtkPolyDataSilhouette_h
#define vtkPolyDataSilhouette_h

#include "vtkFiltersHybridModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"


class vtkCamera;
class vtkProp3D;
class vtkTransform;
class vtkPolyDataEdges;

class VTKFILTERSHYBRID_EXPORT vtkPolyDataSilhouette : public vtkPolyDataAlgorithm
{
public:
  static vtkPolyDataSilhouette *New();

  vtkTypeMacro(vtkPolyDataSilhouette,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetMacro(EnableFeatureAngle,int);
  vtkGetMacro(EnableFeatureAngle,int);


  vtkSetMacro(FeatureAngle,double);
  vtkGetMacro(FeatureAngle,double);


  vtkSetMacro(BorderEdges,vtkTypeBool);
  vtkGetMacro(BorderEdges,vtkTypeBool);
  vtkBooleanMacro(BorderEdges,vtkTypeBool);


  vtkSetMacro(PieceInvariant,vtkTypeBool);
  vtkGetMacro(PieceInvariant,vtkTypeBool);
  vtkBooleanMacro(PieceInvariant,vtkTypeBool);

  enum Directions
  {
    VTK_DIRECTION_SPECIFIED_VECTOR = 0,
    VTK_DIRECTION_SPECIFIED_ORIGIN = 1,
    VTK_DIRECTION_CAMERA_ORIGIN = 2,
    VTK_DIRECTION_CAMERA_VECTOR = 3
  };


  vtkSetMacro(Direction,int);
  vtkGetMacro(Direction,int);
  void SetDirectionToSpecifiedVector()
      {this->SetDirection( VTK_DIRECTION_SPECIFIED_VECTOR ); }
  void SetDirectionToSpecifiedOrigin()
      {this->SetDirection( VTK_DIRECTION_SPECIFIED_ORIGIN ); }
  void SetDirectionToCameraVector()
      {this->SetDirection( VTK_DIRECTION_CAMERA_VECTOR ); }
  void SetDirectionToCameraOrigin()
      {this->SetDirection( VTK_DIRECTION_CAMERA_ORIGIN ); }


  virtual void SetCamera(vtkCamera VTK_WRAP_EXTERN*);
  vtkGetObjectMacro(Camera,vtkCamera VTK_WRAP_EXTERN);


  void SetProp3D(vtkProp3D VTK_WRAP_EXTERN*);
  vtkProp3D VTK_WRAP_EXTERN*GetProp3D();


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


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

  vtkMTimeType GetMTime() override;

protected:
  vtkPolyDataSilhouette();
  ~vtkPolyDataSilhouette() override;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  void ComputeProjectionVector(double vector[3], double origin[3]);

  int Direction;
  vtkCamera *Camera;
  vtkProp3D *Prop3D;
  vtkTransform *Transform;
  double Vector[3];
  double Origin[3];

  int EnableFeatureAngle;
  double FeatureAngle;

  vtkTypeBool BorderEdges;
  vtkTypeBool PieceInvariant;

  vtkPolyDataEdges* PreComp; // precomputed data for a given point of view

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

#endif