DtLineStyleGeometryManager.h

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


#pragma once

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtTacticalGraphicUtilities.h>
#include <vrvUtil/DtVirtualBaseClass.h>
#include <boost/unordered_map.hpp>
#include <boost/function.hpp>

#include <matrix/vlVector.h>

namespace makVrv
{
   class DtDe;
   class DtCoordinateSystem;

   class DT_DLL_VRVCORE DtLineStyleGeometryManager : public DtVirtualBaseClass
   {
   public:
      typedef boost::function<bool (const DtCoordinateSystem&,
         const DtVector&, const DtVector&, double,
         std::vector<DtVector>&, std::vector<DtVector>&, const DtVector& offsetFromPoint)> ArrowCreateFunction;

      typedef boost::function<bool (const DtCoordinateSystem&,
         const std::vector<DtVector>&, double, std::vector<DtVector>&,
         std::vector<DtVector>&, std::vector<int>&, const DtVector& offsetFromPoint)> LineCreateFunction;

      typedef boost::unordered_map<int, LineCreateFunction> LineStyleGeometries;

      typedef boost::unordered_map<int, ArrowCreateFunction> ArrowStyleGeometries;

   public:
      DtLineStyleGeometryManager(DtDe&);

      virtual ~DtLineStyleGeometryManager();

      static DtLineStyleGeometryManager& instance(DtDe& de);

      static void registerInstance(DtDe& de, DtLineStyleGeometryManager* anInstance);     

      virtual void add2DLineStyle(vrvTacticalGraphicUtilities::LineStyle, LineCreateFunction);

      virtual void add3DLineStyle(vrvTacticalGraphicUtilities::LineStyle, LineCreateFunction);

      virtual void add2DArrowStyle(vrvTacticalGraphicUtilities::ArrowStyle, ArrowCreateFunction);

      virtual void add3DArrowStyle(vrvTacticalGraphicUtilities::ArrowStyle, ArrowCreateFunction);

      // @{

      virtual bool create2DLineStyle(vrvTacticalGraphicUtilities::LineStyle,
         const std::vector<DtVector>& linePoints, double size,
         std::vector<DtVector>& result3DPositions, std::vector<DtVector>& resultOffsetPositions,
         std::vector<int>& segmentsToErase, const DtVector& offsetFromPoint = DtVector::zero()) const;

      virtual bool create3DLineStyle(vrvTacticalGraphicUtilities::LineStyle,
         const std::vector<DtVector>& linePoints, double size,
         std::vector<DtVector>& result3DPositions, std::vector<DtVector>& resultOffsetPositions,
         std::vector<int>& segmentsToErase, const DtVector& offsetFromPoint = DtVector::zero()) const;
      // @}

      // @{

      virtual bool create2DArrowStyle(vrvTacticalGraphicUtilities::ArrowStyle,
         const DtVector& start, const DtVector& end, double arrowSize,
         std::vector<DtVector>& result3DPositions, std::vector<DtVector>& resultOffsetPositions,
         const DtVector& offsetFromPoint = DtVector::zero()) const;

      virtual bool create3DArrowStyle(vrvTacticalGraphicUtilities::ArrowStyle,
         const DtVector& start, const DtVector& end, double arrowSize,
         std::vector<DtVector>& result3DPositions, std::vector<DtVector>& resultOffsetPositions,
         const DtVector& offsetFromPoint = DtVector::zero()) const;
      // @}

   protected:
      virtual void addLineStyle(vrvTacticalGraphicUtilities::LineStyle, LineCreateFunction, LineStyleGeometries&);

      virtual void addArrowStyle(vrvTacticalGraphicUtilities::ArrowStyle, ArrowCreateFunction, ArrowStyleGeometries&);

   protected:
      LineStyleGeometries my2DLineStyleGeometries;
      LineStyleGeometries my3DLineStyleGeometries;

      ArrowStyleGeometries my2DArrowStyleGeometries;
      ArrowStyleGeometries my3DArrowStyleGeometries;

      DtDe& myDe;
   };
}