vtkPropPicker.h

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

  Program:   Visualization Toolkit
  Module:    vtkPropPicker.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 vtkPropPicker_h
#define vtkPropPicker_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkAbstractPropPicker.h"

class vtkProp;
class vtkWorldPointPicker;

class VTKRENDERINGCORE_EXPORT vtkPropPicker : public vtkAbstractPropPicker
{
public:
  static vtkPropPicker *New();

  vtkTypeMacro(vtkPropPicker, vtkAbstractPropPicker);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  int PickProp(double selectionX, double selectionY, vtkRenderer *renderer);

  int PickProp(double selectionX, double selectionY, vtkRenderer *renderer,
               vtkPropCollection* pickfrom);

  int Pick(double selectionX, double selectionY, double selectionZ,
           vtkRenderer *renderer) override;
  int Pick(double selectionPt[3], vtkRenderer *renderer)
    { return this->Pick( selectionPt[0],
                         selectionPt[1], selectionPt[2], renderer); }

  int Pick3DPoint(double selectionPt[3], vtkRenderer *ren) override;

  int PickProp3DPoint(double pos[3], vtkRenderer *renderer);

  int PickProp3DPoint(double pos[3], vtkRenderer *renderer,
               vtkPropCollection* pickfrom);

  virtual int PickProp3DRay(double selectionPt[3], double eventWorldOrientation[4],
    vtkRenderer *renderer, vtkPropCollection* pickfrom);

  int Pick3DRay(double selectionPt[3], double orient[4], vtkRenderer *ren) override;

protected:
  vtkPropPicker();
  ~vtkPropPicker() override;

  void Initialize() override;

  vtkPropCollection* PickFromProps;

  // Used to get x-y-z pick position
  vtkWorldPointPicker *WorldPointPicker;
private:
  vtkPropPicker(const vtkPropPicker&) = delete;
  void operator=(const vtkPropPicker&) = delete;
};

#endif