vtkDistanceToCamera.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkDistanceToCamera.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.
 
=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkDistanceToCamera_h
#define vtkDistanceToCamera_h
 
#include "vtkPointSetAlgorithm.h"
#include "vtkRenderingCoreModule.h" // For export macro
 
class vtkRenderer;
 
class VTKRENDERINGCORE_EXPORT vtkDistanceToCamera : public vtkPointSetAlgorithm
{
public:
  static vtkDistanceToCamera* New();
  vtkTypeMacro(vtkDistanceToCamera, vtkPointSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void SetRenderer(vtkRenderer* ren);
  vtkGetObjectMacro(Renderer, vtkRenderer);
 
 
  vtkSetMacro(ScreenSize, double);
  vtkGetMacro(ScreenSize, double);
 
 
  vtkSetMacro(Scaling, bool);
  vtkGetMacro(Scaling, bool);
  vtkBooleanMacro(Scaling, bool);
 
 
  vtkSetStringMacro(DistanceArrayName);
  vtkGetStringMacro(DistanceArrayName);
 
  vtkMTimeType GetMTime() override;
 
protected:
  vtkDistanceToCamera();
  ~vtkDistanceToCamera() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  vtkRenderer* Renderer;
  double ScreenSize;
  bool Scaling;
  int LastRendererSize[2];
  double LastCameraPosition[3];
  double LastCameraFocalPoint[3];
  double LastCameraViewUp[3];
  double LastCameraParallelScale;
  char* DistanceArrayName;
 
private:
  vtkDistanceToCamera(const vtkDistanceToCamera&) = delete;
  void operator=(const vtkDistanceToCamera&) = delete;
};
 
#endif