/usr/include/oce/Convert_ConicToBSplineCurve.hxx is in liboce-foundation-dev 0.15-4.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _Convert_ConicToBSplineCurve_HeaderFile
#define _Convert_ConicToBSplineCurve_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineAlloc_HeaderFile
#include <Standard_DefineAlloc.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _Handle_TColgp_HArray1OfPnt2d_HeaderFile
#include <Handle_TColgp_HArray1OfPnt2d.hxx>
#endif
#ifndef _Handle_TColStd_HArray1OfReal_HeaderFile
#include <Handle_TColStd_HArray1OfReal.hxx>
#endif
#ifndef _Handle_TColStd_HArray1OfInteger_HeaderFile
#include <Handle_TColStd_HArray1OfInteger.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Convert_ParameterisationType_HeaderFile
#include <Convert_ParameterisationType.hxx>
#endif
class TColgp_HArray1OfPnt2d;
class TColStd_HArray1OfReal;
class TColStd_HArray1OfInteger;
class Standard_OutOfRange;
class Standard_ConstructionError;
class gp_Pnt2d;
//! Root class for algorithms which convert a conic curve into <br>
//! a BSpline curve (CircleToBSplineCurve, EllipseToBSplineCurve, <br>
//! HyperbolaToBSplineCurve, ParabolaToBSplineCurve). <br>
//! These algorithms all work on 2D curves from the gp <br>
//! package and compute all the data needed to construct a <br>
//! BSpline curve equivalent to the conic curve. This data consists of: <br>
//! - the degree of the curve, <br>
//! - the periodic characteristics of the curve, <br>
//! - a poles table with associated weights, <br>
//! - a knots table with associated multiplicities. <br>
//! The abstract class ConicToBSplineCurve provides a <br>
//! framework for storing and consulting this computed data. <br>
//! The data may then be used to construct a <br>
//! Geom2d_BSplineCurve curvSuper class of the following classes : <br>
//! This abstract class implements the methods to get the geometric <br>
//! representation of the B-spline curve equivalent to the conic. <br>
//! The B-spline is computed at the creation time in the sub classes. <br>
//! The B-spline curve is defined with its degree, its control points <br>
//! (Poles), its weights, its knots and their multiplicity. <br>
//! All the geometric entities used in this package are defined in 2D <br>
//! space. <br>
//! KeyWords : <br>
//! Convert, Conic, BSplineCurve, 2D. <br>
class Convert_ConicToBSplineCurve {
public:
DEFINE_STANDARD_ALLOC
//! Returns the degree of the BSpline curve whose data is <br>
//! computed in this framework. <br>
Standard_EXPORT Standard_Integer Degree() const;
//! Returns the number of poles of the BSpline curve whose <br>
//! data is computed in this framework. <br>
Standard_EXPORT Standard_Integer NbPoles() const;
//! Returns the number of knots of the BSpline curve whose <br>
//! data is computed in this framework. <br>
Standard_EXPORT Standard_Integer NbKnots() const;
//! Returns true if the BSpline curve whose data is computed in <br>
//! this framework is periodic. <br>
Standard_EXPORT Standard_Boolean IsPeriodic() const;
//! Returns the pole of index Index to the poles table of the <br>
//! BSpline curve whose data is computed in this framework. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is outside the bounds of <br>
//! the poles table of the BSpline curve whose data is computed in this framework. <br>
Standard_EXPORT gp_Pnt2d Pole(const Standard_Integer Index) const;
//! Returns the weight of the pole of index Index to the poles <br>
//! table of the BSpline curve whose data is computed in this framework. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is outside the bounds of <br>
//! the poles table of the BSpline curve whose data is computed in this framework. <br>
Standard_EXPORT Standard_Real Weight(const Standard_Integer Index) const;
//! Returns the knot of index Index to the knots table of the <br>
//! BSpline curve whose data is computed in this framework. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is outside the bounds of <br>
//! the knots table of the BSpline curve whose data is computed in this framework. <br>
Standard_EXPORT Standard_Real Knot(const Standard_Integer Index) const;
//! Returns the multiplicity of the knot of index Index to the <br>
//! knots table of the BSpline curve whose data is computed in this framework. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is outside the bounds of <br>
//! the knots table of the BSpline curve whose data is computed in this framework. <br>
Standard_EXPORT Standard_Integer Multiplicity(const Standard_Integer Index) const;
Standard_EXPORT void BuildCosAndSin(const Convert_ParameterisationType Parametrisation,Handle(TColStd_HArray1OfReal)& CosNumerator,Handle(TColStd_HArray1OfReal)& SinNumerator,Handle(TColStd_HArray1OfReal)& Denominator,Standard_Integer& Degree,Handle(TColStd_HArray1OfReal)& Knots,Handle(TColStd_HArray1OfInteger)& Mults) const;
Standard_EXPORT void BuildCosAndSin(const Convert_ParameterisationType Parametrisation,const Standard_Real UFirst,const Standard_Real ULast,Handle(TColStd_HArray1OfReal)& CosNumerator,Handle(TColStd_HArray1OfReal)& SinNumerator,Handle(TColStd_HArray1OfReal)& Denominator,Standard_Integer& Degree,Handle(TColStd_HArray1OfReal)& Knots,Handle(TColStd_HArray1OfInteger)& Mults) const;
protected:
Standard_EXPORT Convert_ConicToBSplineCurve(const Standard_Integer NumberOfPoles,const Standard_Integer NumberOfKnots,const Standard_Integer Degree);
Handle_TColgp_HArray1OfPnt2d poles;
Handle_TColStd_HArray1OfReal weights;
Handle_TColStd_HArray1OfReal knots;
Handle_TColStd_HArray1OfInteger mults;
Standard_Integer degree;
Standard_Integer nbPoles;
Standard_Integer nbKnots;
Standard_Boolean isperiodic;
private:
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
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