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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 _IntAna2d_Conic_HeaderFile
#define _IntAna2d_Conic_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <Standard_Real.hxx>
class gp_Circ2d;
class gp_Lin2d;
class gp_Parab2d;
class gp_Hypr2d;
class gp_Elips2d;
class gp_XY;
class gp_Ax2d;
//! Definition of a conic by its implicit quadaratic equation:
//! A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0.
class IntAna2d_Conic
{
public:
DEFINE_STANDARD_ALLOC
Standard_EXPORT IntAna2d_Conic(const gp_Circ2d& C);
Standard_EXPORT IntAna2d_Conic(const gp_Lin2d& C);
Standard_EXPORT IntAna2d_Conic(const gp_Parab2d& C);
Standard_EXPORT IntAna2d_Conic(const gp_Hypr2d& C);
Standard_EXPORT IntAna2d_Conic(const gp_Elips2d& C);
//! value of the function F at the point X,Y.
Standard_EXPORT Standard_Real Value (const Standard_Real X, const Standard_Real Y) const;
//! returns the value of the gradient of F at the point X,Y.
Standard_EXPORT gp_XY Grad (const Standard_Real X, const Standard_Real Y) const;
//! Returns the value of the function and its gradient at
//! the point X,Y.
Standard_EXPORT void ValAndGrad (const Standard_Real X, const Standard_Real Y, Standard_Real& Val, gp_XY& Grd) const;
//! returns the coefficients of the polynomial equation
//! wich defines the conic:
//! A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0.
Standard_EXPORT void Coefficients (Standard_Real& A, Standard_Real& B, Standard_Real& C, Standard_Real& D, Standard_Real& E, Standard_Real& F) const;
//! Returns the coefficients of the polynomial equation
//! ( written in the natural coordinates system )
//! A x x + B y y + 2 C x y + 2 D x + 2 E y + F
//! in the local coordinates system defined by Axis
Standard_EXPORT void NewCoefficients (Standard_Real& A, Standard_Real& B, Standard_Real& C, Standard_Real& D, Standard_Real& E, Standard_Real& F, const gp_Ax2d& Axis) const;
protected:
private:
Standard_Real a;
Standard_Real b;
Standard_Real c;
Standard_Real d;
Standard_Real e;
Standard_Real f;
};
#endif // _IntAna2d_Conic_HeaderFile
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