vtkPolyDataPointPlacer.h

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

  Program:   Visualization Toolkit
  Module:    vtkPolyDataPointPlacer.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 vtkPolyDataPointPlacer_h
#define vtkPolyDataPointPlacer_h

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

class vtkRenderer;
class vtkPropCollection;
class vtkProp;
class vtkPropPicker;

class VTKINTERACTIONWIDGETS_EXPORT vtkPolyDataPointPlacer : public vtkPointPlacer
{
public:
  static vtkPolyDataPointPlacer *New();


  vtkTypeMacro(vtkPolyDataPointPlacer,vtkPointPlacer);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Descuription:
  // Add an actor (that represents a terrain in a rendererd scene) to the
  // list. Only props in this list are considered by the PointPlacer
  virtual void AddProp( vtkProp * );
  virtual void RemoveViewProp(vtkProp *prop);
  virtual void RemoveAllProps();
  int          HasProp( vtkProp * );
  int          GetNumberOfProps();

  virtual int ComputeWorldPosition( vtkRenderer *ren,
                                    double displayPos[2],
                                    double worldPos[3],
                                    double worldOrient[9] );

  virtual int ComputeWorldPosition( vtkRenderer *ren,
                                    double displayPos[2],
                                    double refWorldPos[3],
                                    double worldPos[3],
                                    double worldOrient[9] );

  virtual int ValidateWorldPosition( double worldPos[3] );

  virtual int ValidateDisplayPosition( vtkRenderer *, double displayPos[2] );

  virtual int ValidateWorldPosition( double worldPos[3],
                                     double worldOrient[9] );


  vtkGetObjectMacro( PropPicker, vtkPropPicker );

protected:
  vtkPolyDataPointPlacer();
  ~vtkPolyDataPointPlacer();

  // The props that represents the terrain data (one or more) in a rendered
  // scene
  vtkPropCollection  *SurfaceProps;
  vtkPropPicker      *PropPicker;

private:
  vtkPolyDataPointPlacer(const vtkPolyDataPointPlacer&) VTK_DELETE_FUNCTION;
  void operator=(const vtkPolyDataPointPlacer&) VTK_DELETE_FUNCTION;
};

#endif