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// This file is generated by WOK (CPPExt).
// 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 _Geom2dConvert_BSplineCurveToBezierCurve_HeaderFile
#define _Geom2dConvert_BSplineCurveToBezierCurve_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _Handle_Geom2d_BSplineCurve_HeaderFile
#include <Handle_Geom2d_BSplineCurve.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Handle_Geom2d_BezierCurve_HeaderFile
#include <Handle_Geom2d_BezierCurve.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
class Geom2d_BSplineCurve;
class Standard_DimensionError;
class Standard_DomainError;
class Standard_OutOfRange;
class Geom2d_BezierCurve;
class TColGeom2d_Array1OfBezierCurve;
class TColStd_Array1OfReal;
//!An algorithm to convert a BSpline curve into a series <br>
//! of adjacent Bezier curves. <br>
//! A BSplineCurveToBezierCurve object provides a framework for: <br>
//! - defining the BSpline curve to be converted <br>
//! - implementing the construction algorithm, and <br>
//! - consulting the results. <br>
//! References : <br>
//! Generating the Bezier points of B-spline curves and surfaces <br>
//! (Wolfgang Bohm) CAD volume 13 number 6 november 1981 <br>
class Geom2dConvert_BSplineCurveToBezierCurve {
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);
}
//! Computes all the data needed to convert <br>
//! - the BSpline curve BasisCurve, into a series of adjacent Bezier arcs. <br>
//! The result consists of a series of BasisCurve arcs <br>
//! limited by points corresponding to knot values of the curve. <br>
//! Use the available interrogation functions to ascertain <br>
//! the number of computed Bezier arcs, and then to <br>
//! construct each individual Bezier curve (or all Bezier curves). <br>
//! Note: ParametricTolerance is not used. <br>
Standard_EXPORT Geom2dConvert_BSplineCurveToBezierCurve(const Handle(Geom2d_BSplineCurve)& BasisCurve);
//! Computes all the data needed to convert <br>
//! the portion of the BSpline curve BasisCurve <br>
//! limited by the two parameter values U1 and U2 <br>
//! for Example if there is a Knot Uk and <br>
//! Uk < U < Uk + ParametricTolerance/2 the last curve <br>
//! corresponds to the span [Uk-1, Uk] and not to [Uk, Uk+1] <br>
//! The result consists of a series of BasisCurve arcs <br>
//! limited by points corresponding to knot values of the curve. <br>
//! Use the available interrogation functions to ascertain <br>
//! the number of computed Bezier arcs, and then to <br>
//! construct each individual Bezier curve (or all Bezier curves). <br>
//! Note: ParametricTolerance is not used. <br>
//! Raises DomainError if U1 or U2 are out of the parametric bounds of the basis <br>
//! curve [FirstParameter, LastParameter]. The Tolerance criterion <br>
//! is ParametricTolerance. <br>
//! Raised if Abs (U2 - U1) <= ParametricTolerance. <br>
Standard_EXPORT Geom2dConvert_BSplineCurveToBezierCurve(const Handle(Geom2d_BSplineCurve)& BasisCurve,const Standard_Real U1,const Standard_Real U2,const Standard_Real ParametricTolerance);
//!Constructs and returns the Bezier curve of index <br>
//! Index to the table of adjacent Bezier arcs <br>
//! computed by this algorithm. <br>
//! This Bezier curve has the same orientation as the <br>
//! BSpline curve analyzed in this framework. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is less than 1 or <br>
//! greater than the number of adjacent Bezier arcs <br>
//! computed by this algorithm. <br>
Standard_EXPORT Handle_Geom2d_BezierCurve Arc(const Standard_Integer Index) ;
//!Constructs all the Bezier curves whose data is <br>
//! computed by this algorithm and loads these curves <br>
//! into the Curves table. <br>
//! The Bezier curves have the same orientation as the <br>
//! BSpline curve analyzed in this framework. <br>
//! Exceptions <br>
//! Standard_DimensionError if the Curves array was <br>
//! not created with the following bounds: <br>
//! - 1 , and <br>
//! - the number of adjacent Bezier arcs computed by <br>
//! this algorithm (as given by the function NbArcs). <br>
Standard_EXPORT void Arcs(TColGeom2d_Array1OfBezierCurve& Curves) ;
//! This methode returns the bspline's knots associated to <br>
//! the converted arcs <br>
//! Raises DimensionError if the length of Curves is not equal to <br>
//! NbArcs + 1 <br>
Standard_EXPORT void Knots(TColStd_Array1OfReal& TKnots) const;
//! Returns the number of BezierCurve arcs. <br>
//! If at the creation time you have decomposed the basis curve <br>
//! between the parametric values UFirst, ULast the number of <br>
//! BezierCurve arcs depends on the number of knots included inside <br>
//! the interval [UFirst, ULast]. <br>
//! If you have decomposed the whole basis B-spline curve the number <br>
//! of BezierCurve arcs NbArcs is equal to the number of knots less <br>
//! one. <br>
Standard_EXPORT Standard_Integer NbArcs() const;
protected:
private:
Handle_Geom2d_BSplineCurve myCurve;
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
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