// File generated by CPPExt (Transient)
//
//
//                     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
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#ifndef _GeomFill_UniformSection_HeaderFile
#define _GeomFill_UniformSection_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Handle_GeomFill_UniformSection_HeaderFile
#include <Handle_GeomFill_UniformSection.hxx>
#endif

#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Handle_Geom_Curve_HeaderFile
#include <Handle_Geom_Curve.hxx>
#endif
#ifndef _Handle_Geom_BSplineCurve_HeaderFile
#include <Handle_Geom_BSplineCurve.hxx>
#endif
#ifndef _GeomFill_SectionLaw_HeaderFile
#include <GeomFill_SectionLaw.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Handle_Geom_BSplineSurface_HeaderFile
#include <Handle_Geom_BSplineSurface.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _GeomAbs_Shape_HeaderFile
#include <GeomAbs_Shape.hxx>
#endif
class Geom_Curve;
class Geom_BSplineCurve;
class Standard_OutOfRange;
class TColgp_Array1OfPnt;
class TColStd_Array1OfReal;
class TColgp_Array1OfVec;
class Geom_BSplineSurface;
class TColStd_Array1OfInteger;
class gp_Pnt;


//! Define an Constant Section Law <br>
class GeomFill_UniformSection : public GeomFill_SectionLaw {

public:
 // Methods PUBLIC
 // 

//! Make an constant Law with C. <br>
//! [First, Last] define law definition domain <br>
Standard_EXPORT GeomFill_UniformSection(const Handle(Geom_Curve)& C,const Standard_Real FirstParameter = 0.0,const Standard_Real LastParameter = 1.0);

//! compute the section for v = param <br>
Standard_EXPORT virtual  Standard_Boolean D0(const Standard_Real Param,TColgp_Array1OfPnt& Poles,TColStd_Array1OfReal& Weigths) ;

//! compute the first  derivative in v direction  of the <br>
//!           section for v =  param <br>
//!  Warning : It used only for C1 or C2 aproximation <br>
Standard_EXPORT virtual  Standard_Boolean D1(const Standard_Real Param,TColgp_Array1OfPnt& Poles,TColgp_Array1OfVec& DPoles,TColStd_Array1OfReal& Weigths,TColStd_Array1OfReal& DWeigths) ;

//! compute the second derivative  in v direction of the <br>
//!          section  for v = param <br>
//!  Warning : It used only for C2 aproximation <br>
Standard_EXPORT virtual  Standard_Boolean D2(const Standard_Real Param,TColgp_Array1OfPnt& Poles,TColgp_Array1OfVec& DPoles,TColgp_Array1OfVec& D2Poles,TColStd_Array1OfReal& Weigths,TColStd_Array1OfReal& DWeigths,TColStd_Array1OfReal& D2Weigths) ;

//! give if possible an bspline Surface, like iso-v are the <br>
//!          section.  If it is  not possible  this methode have  to <br>
//!          get an Null Surface.  Is it the default implementation. <br>
Standard_EXPORT virtual  Handle_Geom_BSplineSurface BSplineSurface() const;

//! get the format of an  section <br>
Standard_EXPORT virtual  void SectionShape(Standard_Integer& NbPoles,Standard_Integer& NbKnots,Standard_Integer& Degree) const;

//! get the Knots of the section <br>
Standard_EXPORT virtual  void Knots(TColStd_Array1OfReal& TKnots) const;

//! get the Multplicities of the section <br>
Standard_EXPORT virtual  void Mults(TColStd_Array1OfInteger& TMults) const;

//! Returns if the sections are rationnal or not <br>
Standard_EXPORT virtual  Standard_Boolean IsRational() const;

//! Returns if the sections are periodic or not <br>
Standard_EXPORT virtual  Standard_Boolean IsUPeriodic() const;

//! Returns if the law  isperiodic or not <br>
Standard_EXPORT virtual  Standard_Boolean IsVPeriodic() const;

//! Returns  the number  of  intervals for  continuity <br>
//!          <S>. <br>
//!          May be one if Continuity(me) >= <S> <br>
Standard_EXPORT virtual  Standard_Integer NbIntervals(const GeomAbs_Shape S) const;

//! Stores in <T> the  parameters bounding the intervals <br>
//!          of continuity <S>. <br>
//! <br>
//!          The array must provide  enough room to  accomodate <br>
//!          for the parameters. i.e. T.Length() > NbIntervals() <br>
Standard_EXPORT virtual  void Intervals(TColStd_Array1OfReal& T,const GeomAbs_Shape S) const;

//! Sets the bounds of the parametric interval on <br>
//!          the function <br>
//!          This determines the derivatives in these values if the <br>
//!          function is not Cn. <br>
Standard_EXPORT virtual  void SetInterval(const Standard_Real First,const Standard_Real Last) ;

//! Gets the bounds of the parametric interval on <br>
//!          the function <br>
Standard_EXPORT virtual  void GetInterval(Standard_Real& First,Standard_Real& Last) const;

//! Gets the bounds of the function parametric domain. <br>
//!  Warning: This domain it is  not modified by the <br>
//!          SetValue method <br>
Standard_EXPORT virtual  void GetDomain(Standard_Real& First,Standard_Real& Last) const;

//! Returns the tolerances associated at each poles to <br>
//!          reach  in approximation, to satisfy: BoundTol error <br>
//!          at the   Boundary  AngleTol tangent error  at  the <br>
//!          Boundary  (in radian)  SurfTol   error inside the <br>
//!          surface. <br>
Standard_EXPORT virtual  void GetTolerance(const Standard_Real BoundTol,const Standard_Real SurfTol,const Standard_Real AngleTol,TColStd_Array1OfReal& Tol3d) const;

//!  Get the barycentre of Surface. <br>
//!          An   very  poor estimation is sufficent. <br>
//!          This information is usefull to perform well <br>
//!          conditioned rational approximation. <br>
//!  Warning: Used only if <me> IsRational <br>
Standard_EXPORT virtual  gp_Pnt BarycentreOfSurf() const;

//! Returns the   length of the greater section. This <br>
//!          information is usefull to G1's control. <br>
//!  Warning: With an little value, approximation can be slower. <br>
Standard_EXPORT virtual  Standard_Real MaximalSection() const;

//! Compute the minimal value of weight for each poles <br>
//!          in all  sections. <br>
//!          This information is  usefull to control error <br>
//!          in rational approximation. <br>
//!  Warning: Used only if <me> IsRational <br>
Standard_EXPORT virtual  void GetMinimalWeight(TColStd_Array1OfReal& Weigths) const;

//! return True <br>
Standard_EXPORT virtual  Standard_Boolean IsConstant(Standard_Real& Error) const;

//! Return the constant Section if <me>  IsConstant. <br>
//! <br>
Standard_EXPORT virtual  Handle_Geom_Curve ConstantSection() const;
//Standard_EXPORT ~GeomFill_UniformSection();




 // Type management
 //
 Standard_EXPORT const Handle(Standard_Type)& DynamicType() const;
 //Standard_EXPORT Standard_Boolean	       IsKind(const Handle(Standard_Type)&) const;

protected:

 // Methods PROTECTED
 // 


 // Fields PROTECTED
 //


private: 

 // Methods PRIVATE
 // 


 // Fields PRIVATE
 //
Standard_Real First;
Standard_Real Last;
Handle_Geom_Curve mySection;
Handle_Geom_BSplineCurve myCurve;


};





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


#endif
