Dario Sassi
54 lines
2.5 KiB
C++
54 lines
2.5 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2013-2013
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//----------------------------------------------------------------------------
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// File : EgkCurve.h Data : 22.11.13 Versione : 1.3a1
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// Contenuto : Dichiarazione della interfaccia ICurve.
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//
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//
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//
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// Modifiche : 22.11.13 DS Creazione modulo.
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//
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "/EgtDev/Include/EGkGeoObj.h"
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#include "/EgtDev/Include/EGkPolyLine.h"
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//----------------------------------------------------------------------------
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class __declspec( novtable) ICurve : public IGeoObj
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{
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public :
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enum Side { FROM_MINUS = -1, // da valori inferiori del parametro
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FROM_PLUS = 1} ; // da valori superiori del parametro
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public :
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virtual bool IsSimple( void) const = 0 ;
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virtual bool IsClosed( void) const = 0 ;
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virtual bool GetStartPoint( Point3d& ptStart) const = 0 ;
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virtual bool GetEndPoint( Point3d& ptEnd) const = 0 ;
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virtual bool GetDomain( double& dStart, double& dEnd) const = 0 ;
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virtual bool GetLength( double& dLen) const = 0 ;
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virtual bool GetPointD1D2( double dU, Side nS, Point3d& ptPos,
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Vector3d* pvtDer1 = nullptr, Vector3d* pvtDer2 = nullptr) const = 0 ;
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virtual bool GetPointTang( double dU, Side nS, Point3d& ptPos, Vector3d& vtTang) const = 0 ;
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virtual bool GetPointDiffGeom( double dU, Side nS, CrvPointDiffGeom& oDiffG) const = 0 ;
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virtual bool Invert( void) = 0 ;
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virtual bool ApproxWithLines( double dLinTol, double dAngTolDeg, PolyLine& PL) const = 0 ;
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virtual bool TrimStartAtParam( double dUTrim) = 0 ;
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virtual bool TrimEndAtParam( double dUTrim) = 0 ;
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virtual bool TrimStartAtLen( double dLenTrim) = 0 ;
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virtual bool TrimEndAtLen( double dLenTrim) = 0 ;
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} ;
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//----------------------------------------------------------------------------
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inline const ICurve* GetCurve( const IGeoObj* pGObj)
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{ if ( pGObj == nullptr || ( pGObj->GetType() & GEO_CURVE) == 0)
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return nullptr ;
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return (static_cast<const ICurve*>(pGObj)) ; }
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inline ICurve* GetCurve( IGeoObj* pGObj)
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{ if ( pGObj == nullptr || ( pGObj->GetType() & GEO_CURVE) == 0)
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return nullptr ;
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return (static_cast<ICurve*>(pGObj)) ; }
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