//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : PolyArc.cpp          Data : 14.08.14          Versione : 1.5h3
// Contenuto : Implementazione della classe PolyArc.
//
//
//
// Modifiche : 14.08.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "\EgtDev\Include\EGkPolyArc.h"


//----------------------------------------------------------------------------
PolyArc::PolyArc( void)
{
   m_nCount = 0 ;
   m_iter = m_lUPointBs.end() ;
}

//----------------------------------------------------------------------------
PolyArc::~PolyArc( void)
{
}

//----------------------------------------------------------------------------
bool
PolyArc::Clear( void)
{
   m_nCount = 0 ;
   m_lUPointBs.clear() ;
   m_iter = m_lUPointBs.end() ;
   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::AddUPoint( double dPar, const Point3d& ptP, double dBulge)
{
   try {
      m_lUPointBs.push_back( UPointB( dPar, ptP, dBulge)) ;
   }
   catch (...) {
      return false ;
   }

   m_nCount ++ ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::EraseFirstUPoint( void)
{
   if ( m_lUPointBs.empty())
      return false ;

   m_lUPointBs.pop_front() ;
   m_nCount -- ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::EraseLastUPoint( void)
{
   if ( m_lUPointBs.empty())
      return false ;

   m_lUPointBs.pop_back() ;
   m_nCount -- ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::AddOffsetToU( double dOffset)
{
   UPNTBLIST::iterator iter ;
   for ( iter = m_lUPointBs.begin() ; iter != m_lUPointBs.end() ; ++ iter)
      iter->dU += dOffset ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::ToGlob( const Frame3d& frRef)
{
   UPNTBLIST::iterator iter ;
   for ( iter = m_lUPointBs.begin() ; iter != m_lUPointBs.end() ; ++ iter)
      iter->ptP.ToGlob( frRef) ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::ToLoc( const Frame3d& frRef)
{
   UPNTBLIST::iterator iter ;
   for ( iter = m_lUPointBs.begin() ; iter != m_lUPointBs.end() ; ++ iter)
      iter->ptP.ToLoc( frRef) ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::LocToLoc( const Frame3d& frOri, const Frame3d& frDest)
{
   UPNTBLIST::iterator iter ;
   for ( iter = m_lUPointBs.begin() ; iter != m_lUPointBs.end() ; ++ iter)
      iter->ptP.LocToLoc( frOri, frDest) ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::Splice( PolyArc& PA)
{
   m_lUPointBs.splice( m_lUPointBs.end(), PA.m_lUPointBs) ;   
   m_nCount += PA.GetPointNbr() ;
   PA.m_nCount = 0 ;
      
   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::GetFirstUPoint( double* pdPar, Point3d* pptP, double* pdBulge) const
{
   m_iter = m_lUPointBs.begin() ;
   if ( m_iter == m_lUPointBs.end())
      return false ;

   if ( pdPar != nullptr)
      *pdPar = m_iter->dU ;
   if ( pptP != nullptr)
      *pptP = m_iter->ptP ;
   if ( pdBulge != nullptr)
      *pdBulge = m_iter->dB ;

   return true ;
}

//----------------------------------------------------------------------------
bool
PolyArc::GetNextUPoint( double* pdPar, Point3d* pptP, double* pdBulge, bool bNotLast) const
{
   if ( m_iter == m_lUPointBs.end())
      return false ;
   ++ m_iter ;
   if ( m_iter == m_lUPointBs.end())
      return false ;
   if ( bNotLast  &&  m_iter == -- ( m_lUPointBs.end()))
      return false ;

   if ( pdPar != nullptr)
      *pdPar = m_iter->dU ;
   if ( pptP != nullptr)
      *pptP = m_iter->ptP ;
   if ( pdBulge != nullptr)
      *pdBulge = m_iter->dB ;

   return true ;
}