include/vrvOsg/DtOsgPerformanceStatsOverlay.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <osg/ref_ptr>

#include <string>
#include <vector>

namespace osg
{
   class FrameStamp;
}

namespace makVrv
{
   class DtOsgRenderer;
   class DtWindowTextAgent;
   class DtStatsSet;

   class DT_DLL_VRVOSG DtOsgPerformanceStatsOverlay
   {
   public:

      const static unsigned int overlayLayerId = 33;

      DtOsgPerformanceStatsOverlay(DtDe& de, DtOsgRenderer& renderer, const DtStatsSet& statsSet);

      void addLabel(const std::string& name, double left, double top);
      
      ~DtOsgPerformanceStatsOverlay();

      virtual void updateCallback();

   protected:

      DtWindowTextAgent* makeLabel();

   private:

      DtDe& myDe;
      DtOsgRenderer& myRenderer;
      const char* myTickFormatString;

      struct LabelParameters
      {
         std::string name;
         double value;
         DtWindowTextAgent*  label;
      };

      int myFrame;

      std::vector<LabelParameters> myLabels;
      
      const DtStatsSet& myStatsSet;
   };
}