DtOsgSensorViewOverlaySection.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/



#pragma once

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

namespace makVrv
{
   class DtDe;
   class DtOsgObserverObject;
   class DtOverlayRenderer;
   class DtSensorFieldOfViewData;

   class DT_DLL_VRVOSG DtOsgSensorViewOverlaySection
   {
   public:
      friend class DtOsgSensorViewOverlaySectionCreator;

      virtual ~DtOsgSensorViewOverlaySection();

      virtual void initialize( DtOverlayRenderer& overlayRenderer,
         unsigned int channelWidth, unsigned int channelHeight, unsigned int channelXOffset,
         unsigned int channelYOffset);

      virtual void setChannelSize( unsigned int channelWidth, unsigned int channelHeight, 
         unsigned int channelXOffset, unsigned int channelYOffset );

      virtual double currentToInitialSizeRatio() const;

      virtual void update(const DtOsgObserverObject& observer,
         const DtSensorFieldOfViewData& state) = 0;

   protected:

      DtOsgSensorViewOverlaySection(DtDe& de);

   protected:

      makVrv::DtDe& myDe;
      unsigned int myChannelWidth;
      unsigned int myChannelHeight;
      unsigned int myInitialChannelWidth;
      unsigned int myInitialChannelHeight;

      unsigned int myXOffset;
      unsigned int myYOffset;
   };

   class DT_DLL_VRVOSG DtOsgSensorViewOverlaySectionCreator : 
      public DtVirtualBaseClass
   {
   public:

      virtual DtOsgSensorViewOverlaySection* create(DtDe& de) = 0;

      virtual DtOsgSensorViewOverlaySectionCreator* clone() const = 0; 

      virtual ~DtOsgSensorViewOverlaySectionCreator();
   };

   typedef std::list<DtOsgSensorViewOverlaySectionCreator*> DtOsgSensorViewOverlaySectionCreators;
}