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// 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 _Geom2dAPI_ProjectPointOnCurve_HeaderFile
#define _Geom2dAPI_ProjectPointOnCurve_HeaderFile
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Extrema_ExtPC2d_HeaderFile
#include <Extrema_ExtPC2d.hxx>
#endif
#ifndef _Geom2dAdaptor_Curve_HeaderFile
#include <Geom2dAdaptor_Curve.hxx>
#endif
#ifndef _Handle_Geom2d_Curve_HeaderFile
#include <Handle_Geom2d_Curve.hxx>
#endif
#ifndef _Quantity_Parameter_HeaderFile
#include <Quantity_Parameter.hxx>
#endif
#ifndef _Quantity_Length_HeaderFile
#include <Quantity_Length.hxx>
#endif
class Standard_OutOfRange;
class StdFail_NotDone;
class gp_Pnt2d;
class Geom2d_Curve;
class Extrema_ExtPC2d;
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
//! This class implements methods for computing all the orthogonal <br>
//! projections of a 2D point onto a 2D curve. <br>
class Geom2dAPI_ProjectPointOnCurve {
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
//
//! Constructs an empty projector algorithm. Use an Init <br>
//! function to define the point and the curve on which it is going to work. <br>
Standard_EXPORT Geom2dAPI_ProjectPointOnCurve();
//! Create the projection of a point <P> on a curve <br>
//! <Curve> <br>
Standard_EXPORT Geom2dAPI_ProjectPointOnCurve(const gp_Pnt2d& P,const Handle(Geom2d_Curve)& Curve);
//! Create the projection of a point <P> on a curve <br>
//! <Curve> limited by the two points of parameter Umin and Usup. <br>
//! Warning <br>
//! Use the function NbPoints to obtain the number of solutions. If <br>
//! projection fails, NbPoints returns 0. <br>
Standard_EXPORT Geom2dAPI_ProjectPointOnCurve(const gp_Pnt2d& P,const Handle(Geom2d_Curve)& Curve,const Quantity_Parameter Umin,const Quantity_Parameter Usup);
//! Initializes this algorithm with the given arguments, and <br>
//! computes the orthogonal projections of a point <P> on a curve <Curve> <br>
Standard_EXPORT void Init(const gp_Pnt2d& P,const Handle(Geom2d_Curve)& Curve) ;
//! Initializes this algorithm with the given arguments, and <br>
//! computes the orthogonal projections of the point P onto the portion <br>
//! of the curve Curve limited by the two points of parameter Umin and Usup. <br>
Standard_EXPORT void Init(const gp_Pnt2d& P,const Handle(Geom2d_Curve)& Curve,const Quantity_Parameter Umin,const Quantity_Parameter Usup) ;
//! return the number of of computed <br>
//! orthogonal projectionn points. <br>
Standard_EXPORT Standard_Integer NbPoints() const;
Standard_EXPORT operator Standard_Integer() const;
//! Returns the orthogonal projection <br>
//! on the curve. Index is a number of a computed point. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where <br>
//! NbPoints is the number of solution points. <br>
Standard_EXPORT gp_Pnt2d Point(const Standard_Integer Index) const;
//! Returns the parameter on the curve <br>
//! of a point which is the orthogonal projection. Index is a number of a <br>
//! computed projected point. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where <br>
//! NbPoints is the number of solution points. <br>
Standard_EXPORT Quantity_Parameter Parameter(const Standard_Integer Index) const;
//! Returns the parameter on the curve <br>
//! of a point which is the orthogonal projection. Index is a number of a <br>
//! computed projected point. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where <br>
//! NbPoints is the number of solution points <br>
Standard_EXPORT void Parameter(const Standard_Integer Index,Quantity_Parameter& U) const;
//! Computes the distance between the <br>
//! point and its computed orthogonal projection on the curve. Index is a <br>
//! number of computed projected point. <br>
//! Exceptions <br>
//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where <br>
//! NbPoints is the number of solution points. <br>
Standard_EXPORT Quantity_Length Distance(const Standard_Integer Index) const;
//! Returns the nearest orthogonal projection of the point on the curve. <br>
//! Exceptions <br>
//! StdFail_NotDone if this algorithm fails. <br>
Standard_EXPORT gp_Pnt2d NearestPoint() const;
Standard_EXPORT operator gp_Pnt2d() const;
//! Returns the parameter on the curve <br>
//! of the nearest orthogonal projection of the point. <br>
//! Exceptions <br>
//! StdFail_NotDone if this algorithm fails. <br>
Standard_EXPORT Quantity_Parameter LowerDistanceParameter() const;
//! Computes the distance between the <br>
//! point and its nearest orthogonal projection on the curve. <br>
//! Exceptions <br>
//! StdFail_NotDone if this algorithm fails. <br>
Standard_EXPORT Quantity_Length LowerDistance() const;
Standard_EXPORT operator Standard_Real() const;
//! return the algorithmic object from Extrema <br>
const Extrema_ExtPC2d& Extrema() const;
protected:
// Methods PROTECTED
//
// Fields PROTECTED
//
private:
// Methods PRIVATE
//
// Fields PRIVATE
//
Standard_Boolean myIsDone;
Standard_Integer myIndex;
Extrema_ExtPC2d myExtPC;
Geom2dAdaptor_Curve myC;
};
#include <Geom2dAPI_ProjectPointOnCurve.lxx>
// other Inline functions and methods (like "C++: function call" methods)
//
#endif
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