DtModelScaler.h

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/*****************************************************************************
 * Copyright (c) 2019 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


 
#pragma once
 
#include <vrvOsg/vrvOsg.h> 

#include <vrvCore/DtUniqueID.h>
#include <vrvUtil/DtVirtualBaseClass.h>

#include <osg/Referenced>
#include <osg/Node>
#include <osg/Camera>

namespace makVrv 
{ 
   class DtOsgCullVisitorParameters;
   class DtScalingAlgorithm;

   class DT_DLL_VRVOSG DtModelScaler : public osg::Referenced
   {
   public:
      DtModelScaler(DtDe& de, DtScalingAlgorithm* scalingAlgorithm);

      virtual double calculateScale( const DtOsgCullVisitorParameters& info,
         const osg::Camera& camera, const osg::Vec3d& position, 
         double modelRadius, DtUniqueID objectElementId ) const;

      double calculateScale( const DtOsgCullVisitorParameters& info,
         const osg::Camera& camera, const osg::Node& node ) const;

      const DtScalingAlgorithm& scalingAlgorithm() const;

   protected:
      virtual ~DtModelScaler();

   private:
      // Unimplemented Default CTOR
      DtModelScaler();

      // Unimplemented Copy CTOR
      DtModelScaler(const DtModelScaler& orig);

      // Unimplemented Assignment Operator
      DtModelScaler& operator=(const DtModelScaler& rhs);

   protected:
      DtScalingAlgorithm* myAlgorithm;
      DtDe& myDe;
   };
}