include/vrvVrl/DtEntityAppearanceMapper.h

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/****************************************************************************** 
** Copyright (c) 2007 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
/****************************************************************************** 
** $RCSfile: DtEntityAppearanceMapper.h,v $ $Revision: 1.9 $ $State: Exp $ 
******************************************************************************/ 
 
 
#ifndef DtEntityAppearanceMapper_H_ 
#define DtEntityAppearanceMapper_H_ 
 
#include <vrvVrl/vrvVrl.h> 

#include <vlpi/disEnums.h>
#include <vlpi/entityType.h>

#include <map>

namespace makVrv 
{ 
   class DT_DLL_VRVVRL DtEntityAppearanceMapper
   { 
   public:
      typedef std::map<int,int> AttributeToStateMap;

      struct StateInfo
      {
         int bitShift;
         int state;
      };      

      typedef std::map<int,StateInfo> AttributeToStateInfoMap;

      DtEntityAppearanceMapper(const DtEntityType& type, const AttributeToStateMap& appearanceMap);

      virtual ~DtEntityAppearanceMapper();

      bool mapAttributeToState(const DtAppearAttribute attr, const DtAppearAttrVal val,
         int& state,int& stateVal) const;


      //Get a map to attributes to state info.
      inline const AttributeToStateInfoMap& attributes() const
      {
         return myAttributesToStateMap;
      }

      const DtEntityType& entityType() const
      {
         return myEntityType;
      }
      
   public:
            
      static bool vrfColorToRgba( unsigned vrfColor, float& r, float& g, float& b,
         float& a);
 
      static unsigned short mapVrfLineStyleToStipplePattern(int lineStyle);

   protected:

      DtEntityType myEntityType;
      AttributeToStateInfoMap myAttributesToStateMap;
   };
} 
 
#endif