DbCurve.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
 
 
 
#ifndef OD_DBCURVE_H
#define OD_DBCURVE_H
 
#include "TD_PackPush.h"
 
#include "DbEntity.h"
#include "DbVertex.h"
 
class OdDbSpline;
typedef OdSmartPtr<OdDbSpline> OdDbSplinePtr;
 
class OdDbCurveImpl;
class OdDbCurve;
 
typedef OdSmartPtr<OdDbCurve> OdDbCurvePtr;
class TOOLKIT_EXPORT OdDbCurve : public OdDbEntity
{
public:
  ODDB_DECLARE_MEMBERS(OdDbCurve);
 
  OdDbCurve();
 
  virtual bool isClosed() const;
 
  virtual bool isPeriodic() const;
 
  virtual OdResult getStartParam(
    double& startParam) const = 0;
 
  virtual OdResult getEndParam(
    double& endParam) const = 0;
 
  virtual OdResult getStartPoint(
    OdGePoint3d& startPoint) const = 0;
 
  virtual OdResult getEndPoint(
    OdGePoint3d& endPoint) const = 0;
 
      virtual OdResult getPointAtParam(
    double param, 
    OdGePoint3d& pointOnCurve) const = 0;
 
      virtual OdResult getParamAtPoint(
    const OdGePoint3d& pointOnCurve, 
    double& param) const = 0;
 
  virtual OdResult getDistAtParam (
    double param, 
    double& dist) const = 0;
 
  virtual OdResult getParamAtDist (
    double dist, 
    double& param) const = 0;
 
  virtual OdResult getDistAtPoint (
    const OdGePoint3d& pointOnCurve, 
    double& dist)const;
 
  virtual OdResult getPointAtDist (
    double dist, 
    OdGePoint3d& pointOnCurve) const;
  
  virtual OdResult getFirstDeriv (
    double param,
    OdGeVector3d& firstDeriv) const = 0;
  
  virtual OdResult getFirstDeriv (
    const OdGePoint3d& pointOnCurve,
    OdGeVector3d& firstDeriv) const;
 
  virtual OdResult getSecondDeriv (
    double param,
    OdGeVector3d& secondDeriv) const;
  
  virtual OdResult getSecondDeriv (
    const OdGePoint3d& pointOnCurve,
    OdGeVector3d& secondDeriv) const;
 
  virtual OdResult getClosestPointTo(
    const OdGePoint3d& givenPoint,
    OdGePoint3d& pointOnCurve, 
    bool extend = false) const;
 
  virtual OdResult getClosestPointTo(
    const OdGePoint3d& givenPoint,
    const OdGeVector3d& normal,
    OdGePoint3d& pointOnCurve, 
    bool extend = false) const;
  
 
  virtual OdResult getSpline (
    OdDbSplinePtr* spline) const;
 
  virtual OdResult extend(
    double param);
  
  virtual OdResult 
    extend(bool extendStart,
    const OdGePoint3d& toPoint);
 
  virtual OdResult getArea(
    double& area) const;
  
  virtual OdResult getOrthoProjectedCurve(const OdGePlane& projPlane,
    OdDbCurvePtr* pProjCurve) const;
 
  virtual OdResult getProjectedCurve(const OdGePlane& projPlane,
    const OdGeVector3d& projDirection, OdDbCurvePtr* pProjCurve) const;
 
  virtual OdResult getOffsetCurves(double offsetDistance,  
    OdRxObjectPtrArray& offsetCurves) const;
 
  virtual OdResult getOffsetCurvesGivenPlaneNormal(
    const OdGeVector3d& normal, double offsetDistance,
    OdRxObjectPtrArray& offsetCurves) const;          
 
  virtual OdResult getSplitCurves (const OdGeDoubleArray& params,
    OdRxObjectPtrArray& curveSegments) const;
 
  virtual OdResult getSplitCurves (const OdGePoint3dArray& points,
    OdRxObjectPtrArray& curveSegments) const;
 
  virtual OdResult reverseCurve();
 
  virtual OdResult  getOdGeCurve ( OdGeCurve3d*& pGeCurve, const OdGeTol& tol = OdGeContext::gTol ) const;
 
 
  static OdResult  createFromOdGeCurve ( const OdGeCurve3d& geCurve, OdDbCurve*& pDbCurve,
                                                               OdGeVector3d *normal = NULL,
                                                               const OdGeTol& tol = OdGeContext::gTol );
 
  virtual OdResult  setFromOdGeCurve ( const OdGeCurve3d& geCurve,
                                                            OdGeVector3d *normal = NULL,
                                                            const OdGeTol& tol = OdGeContext::gTol );
 
 
  virtual OdInt32 findVertexIndex(const OdDbVertex* vert) const { return 0; }
};
 
#include "TD_PackPop.h"
 
#endif