Merge remote-tracking branch 'origin/master' into FasterBezier

EGkOffsetCurve.h

@@ -37,10 +37,13 @@ class OffsetCurve
       EGK_EXPORT ICurve* GetCurve( void) ;
       EGK_EXPORT ICurve* GetLongerCurve( void) ;
       EGK_EXPORT ICurve* GetShorterCurve( void) ;
+      EGK_EXPORT bool GetPointOffset( Point3d& pt, Vector3d& vt) ;
       EGK_EXPORT double GetLinTol( void) const { return m_dLinTol ; }
       EGK_EXPORT void SetLinTol( double dTol) { m_dLinTol = dTol ; }
 
    private :
       ICURVEPLIST m_CrvLst ;
+      Point3d m_pt = P_INVALID ;
+      Vector3d m_vt = V_INVALID ;
       double m_dLinTol ;
 } ;

EGkSelection.h

@@ -36,6 +36,8 @@ struct SelData {
       : nId( nI), nSub( SEL_SUB_ALL) {}
    SelData( int nI, int nS)
       : nId( nI), nSub( nS) {}
+   bool operator == ( const SelData& other) const
+         { return ( nId == other.nId  &&  nSub == other.nSub) ; }
 } ;
 
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