DtAttachableHatTextUpdater.h

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/*****************************************************************************
 * Copyright (c) 2015 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>

#include <vrvCore/DtAttachableUpdater.h>
#include <vrvCore/DtDisplayUnitsSettingsManager.h>
#include <vrvUtil/DtUnicode.h>

namespace makVrv
{

   class DtDe;
   class DtWidgetLabel;
   class DtIntersectorResult;

   class DT_DLL_VRVCORE DtAttachableHatTextUpdater : public DtAttachableUpdater
   {
   public:

      DtAttachableHatTextUpdater( DtDe& de, DtUniqueID id );

      virtual ~DtAttachableHatTextUpdater();

      virtual void update( double simTime );

      virtual void setUseHighestTerrainLod(bool useHighest);

      virtual bool useHighestTerrainLod() const;

      virtual void setTextProportion( double proportion );

   protected:

      virtual void updateWidgetLabel(  DtWidgetLabel* widgetLabel,
         double distanceInMeters );

      virtual DtVector findIntersect( const DtVector& start, const DtVector& up );
      
   protected:

      DtVector myLastTopPos;
      DtTaitBryan myLastTopOri;
      DtDisplayUnitsConverter& myDistConverter;
      DtDisplayUnitsConverter::DistanceUnits myLastAltUnits;
      bool myUseHighestTerrainLod;
      double myTextProportion;
      DtVector myTextOffset;
   };

}