// File generated by CPPExt (Value)
//
//                     Copyright (C) 1991 - 2000 by  
//                      Matra Datavision SA.  All rights reserved.
//  
//                     Copyright (C) 2001 - 2004 by
//                     Open CASCADE SA.  All rights reserved.
// 
// This file is part of the Open CASCADE Technology software.
//
// This software may be distributed and/or modified under the terms and
// conditions of the Open CASCADE Public License as defined by Open CASCADE SA
// and appearing in the file LICENSE included in the packaging of this file.
//  
// This software is distributed on an "AS IS" basis, without warranty of any
// kind, and Open CASCADE SA hereby disclaims all such warranties,
// including without limitation, any warranties of merchantability, fitness
// for a particular purpose or non-infringement. Please see the License for
// the specific terms and conditions governing rights and limitations under the
// License.

#ifndef _Geom2dGcc_Circ2d2TanOn_HeaderFile
#define _Geom2dGcc_Circ2d2TanOn_HeaderFile

#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _TColgp_Array1OfCirc2d_HeaderFile
#include <TColgp_Array1OfCirc2d.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _GccEnt_Array1OfPosition_HeaderFile
#include <GccEnt_Array1OfPosition.hxx>
#endif
#ifndef _TColStd_Array1OfInteger_HeaderFile
#include <TColStd_Array1OfInteger.hxx>
#endif
#ifndef _TColgp_Array1OfPnt2d_HeaderFile
#include <TColgp_Array1OfPnt2d.hxx>
#endif
#ifndef _TColStd_Array1OfReal_HeaderFile
#include <TColStd_Array1OfReal.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Handle_Geom2d_Point_HeaderFile
#include <Handle_Geom2d_Point.hxx>
#endif
#ifndef _GccEnt_Position_HeaderFile
#include <GccEnt_Position.hxx>
#endif
class StdFail_NotDone;
class GccEnt_BadQualifier;
class Standard_OutOfRange;
class Geom2dGcc_QualifiedCurve;
class Geom2dAdaptor_Curve;
class Geom2d_Point;
class GccAna_Circ2d2TanOn;
class Geom2dGcc_MyCirc2d2TanOn;
class gp_Circ2d;
class gp_Pnt2d;


#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif

//! This class implements the algorithms used to <br>
//!          create 2d circles TANgent to 2 entities and <br>
//!          having the center ON a curve. <br>
//!          The order of the tangency argument is always <br>
//!          QualifiedCirc, QualifiedLin, QualifiedCurv, Pnt2d. <br>
//!          the arguments are : <br>
//!            - The two tangency arguments. <br>
//!            - The center line. <br>
//!            - The parameter for each tangency argument which <br>
//!            is a curve. <br>
//!            - The tolerance. <br>
class Geom2dGcc_Circ2d2TanOn  {

public:

    void* operator new(size_t,void* anAddress) 
      {
        return anAddress;
      }
    void* operator new(size_t size) 
      { 
        return Standard::Allocate(size); 
      }
    void  operator delete(void *anAddress) 
      { 
        if (anAddress) Standard::Free((Standard_Address&)anAddress); 
      }
 // Methods PUBLIC
 // 

//! This method implements the algorithms used to <br>
//!          create 2d circles TANgent to two curves and <br>
//!          having the center ON a 2d curve. <br>
//!          Param1 is the initial guess on the first curve QualifiedCurv. <br>
//!          Param1 is the initial guess on the second curve QualifiedCurv. <br>
//!          ParamOn is the initial guess on the center curve OnCurv. <br>
//!          Tolerance is used for the limit cases. <br>
Standard_EXPORT Geom2dGcc_Circ2d2TanOn(const Geom2dGcc_QualifiedCurve& Qualified1,const Geom2dGcc_QualifiedCurve& Qualified2,const Geom2dAdaptor_Curve& OnCurve,const Standard_Real Tolerance,const Standard_Real Param1,const Standard_Real Param2,const Standard_Real ParamOn);

//! This method implements the algorithms used to <br>
//!          create 2d circles TANgent to one curve and one point and <br>
//!          having the center ON a 2d curve. <br>
//!          Param1 is the initial guess on the first curve QualifiedCurv. <br>
//!          ParamOn is the initial guess on the center curve OnCurv. <br>
//!          Tolerance is used for the limit cases. <br>
Standard_EXPORT Geom2dGcc_Circ2d2TanOn(const Geom2dGcc_QualifiedCurve& Qualified1,const Handle(Geom2d_Point)& Point,const Geom2dAdaptor_Curve& OnCurve,const Standard_Real Tolerance,const Standard_Real Param1,const Standard_Real ParamOn);

//! This method implements the algorithms used to <br>
//!          create 2d circles TANgent to two points and <br>
//!          having the center ON a 2d curve. <br>
//!          Tolerance is used for the limit cases. <br>
Standard_EXPORT Geom2dGcc_Circ2d2TanOn(const Handle(Geom2d_Point)& Point1,const Handle(Geom2d_Point)& Point2,const Geom2dAdaptor_Curve& OnCurve,const Standard_Real Tolerance);


Standard_EXPORT   void Results(const GccAna_Circ2d2TanOn& Circ) ;


Standard_EXPORT   void Results(const Geom2dGcc_MyCirc2d2TanOn& Circ) ;

//! Returns true if the construction algorithm does not fail <br>
//!          (even if it finds no solution). <br>
//!          Note: IsDone protects against a failure arising from a <br>
//!          more internal intersection algorithm, which has <br>
//!          reached its numeric limits. <br>
Standard_EXPORT   Standard_Boolean IsDone() const;

//! This method returns the number of solutions. <br>
//!          NotDone is raised if the algorithm failed. <br>
Standard_EXPORT   Standard_Integer NbSolutions() const;

//! Returns the solution number Index and raises OutOfRange <br>
//! exception if Index is greater than the number of solutions. <br>
//! Be carefull: the Index is only a way to get all the <br>
//! solutions, but is not associated to theses outside the context <br>
//! of the algorithm-object. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is less than or equal <br>
//! to zero or greater than the number of solutions <br>
//! computed by this algorithm. <br>
//! StdFail_NotDone if the construction fails. <br>
Standard_EXPORT   gp_Circ2d ThisSolution(const Standard_Integer Index) const;

//! It returns the informations about the qualifiers of <br>
//!          the tangency <br>
//!          arguments concerning the solution number Index. <br>
//!          It returns the real qualifiers (the qualifiers given to the <br>
//!          constructor method in case of enclosed, enclosing and outside <br>
//!          and the qualifiers computedin case of unqualified). <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is less than zero or <br>
//! greater than the number of solutions computed by this algorithm. <br>
//! StdFail_NotDone if the construction fails. <br>
Standard_EXPORT   void WhichQualifier(const Standard_Integer Index,GccEnt_Position& Qualif1,GccEnt_Position& Qualif2) const;

//! Returns informations about the tangency point between the <br>
//! result and the first argument. <br>
//! ParSol is the intrinsic parameter of the point PntSol on the solution curv. <br>
//! ParArg is the intrinsic parameter of the point PntSol on the argument curv. <br>
Standard_EXPORT   void Tangency1(const Standard_Integer Index,Standard_Real& ParSol,Standard_Real& ParArg,gp_Pnt2d& PntSol) const;

//! Returns informations about the tangency point between the <br>
//! result and the second argument. <br>
//! ParSol is the intrinsic parameter of the point PntSol on the solution curv. <br>
//! ParArg is the intrinsic parameter of the point PntSol on the argument curv. <br>
Standard_EXPORT   void Tangency2(const Standard_Integer Index,Standard_Real& ParSol,Standard_Real& ParArg,gp_Pnt2d& PntSol) const;

//! Returns the center PntSol of the solution of index Index <br>
//! computed by this algorithm. <br>
//! ParArg is the parameter of the point PntSol on the third argument. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is less than zero or <br>
//! greater than the number of solutions computed by this algorithm. <br>
//! StdFail_NotDone if the construction fails. <br>
Standard_EXPORT   void CenterOn3(const Standard_Integer Index,Standard_Real& ParArg,gp_Pnt2d& PntSol) const;

//! Returns true if the solution of index Index and, <br>
//! respectively, the first or second argument of this <br>
//! algorithm are the same (i.e. there are 2 identical circles). <br>
//! If Rarg is the radius of the first or second argument, <br>
//! Rsol is the radius of the solution and dist is the <br>
//! distance between the two centers, we consider the two <br>
//! circles to be identical if |Rarg - Rsol| and dist <br>
//! are less than or equal to the tolerance criterion given at <br>
//! the time of construction of this algorithm. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is less than zero or <br>
//! greater than the number of solutions computed by this algorithm. <br>
//! StdFail_NotDone if the construction fails. <br>
Standard_EXPORT   Standard_Boolean IsTheSame1(const Standard_Integer Index) const;

//! Returns true if the solution of index Index and, <br>
//! respectively, the first or second argument of this <br>
//! algorithm are the same (i.e. there are 2 identical circles). <br>
//! If Rarg is the radius of the first or second argument, <br>
//! Rsol is the radius of the solution and dist is the <br>
//! distance between the two centers, we consider the two <br>
//! circles to be identical if |Rarg - Rsol| and dist <br>
//! are less than or equal to the tolerance criterion given at <br>
//! the time of construction of this algorithm. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is less than zero or <br>
//! greater than the number of solutions computed by this algorithm. <br>
//! StdFail_NotDone if the construction fails. <br>
Standard_EXPORT   Standard_Boolean IsTheSame2(const Standard_Integer Index) const;





protected:

 // Methods PROTECTED
 // 


 // Fields PROTECTED
 //


private: 

 // Methods PRIVATE
 // 


 // Fields PRIVATE
 //
Standard_Boolean WellDone;
TColgp_Array1OfCirc2d cirsol;
Standard_Integer NbrSol;
GccEnt_Array1OfPosition qualifier1;
GccEnt_Array1OfPosition qualifier2;
TColStd_Array1OfInteger TheSame1;
TColStd_Array1OfInteger TheSame2;
TColgp_Array1OfPnt2d pnttg1sol;
TColgp_Array1OfPnt2d pnttg2sol;
TColgp_Array1OfPnt2d pntcen;
TColStd_Array1OfReal par1sol;
TColStd_Array1OfReal par2sol;
TColStd_Array1OfReal pararg1;
TColStd_Array1OfReal pararg2;
TColStd_Array1OfReal parcen3;
Standard_Boolean Invert;


};





// other Inline functions and methods (like "C++: function call" methods)
//


#endif
