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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 _gp_Elips2d_HeaderFile
#define _gp_Elips2d_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _gp_Ax22d_HeaderFile
#include <gp_Ax22d.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_Storable_HeaderFile
#include <Standard_Storable.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _gp_Ax2d_HeaderFile
#include <gp_Ax2d.hxx>
#endif
#ifndef _gp_Pnt2d_HeaderFile
#include <gp_Pnt2d.hxx>
#endif
#ifndef _Standard_PrimitiveTypes_HeaderFile
#include <Standard_PrimitiveTypes.hxx>
#endif
class Standard_ConstructionError;
class gp_Ax2d;
class gp_Ax22d;
class gp_Pnt2d;
class gp_Trsf2d;
class gp_Vec2d;
Standard_EXPORT const Handle(Standard_Type)& STANDARD_TYPE(gp_Elips2d);
//! Describes an ellipse in the plane (2D space). <br>
//! An ellipse is defined by its major and minor radii and <br>
//! positioned in the plane with a coordinate system (a <br>
//! gp_Ax22d object) as follows: <br>
//! - the origin of the coordinate system is the center of the ellipse, <br>
//! - its "X Direction" defines the major axis of the ellipse, and <br>
//! - its "Y Direction" defines the minor axis of the ellipse. <br>
//! This coordinate system is the "local coordinate system" <br>
//! of the ellipse. Its orientation (direct or indirect) gives an <br>
//! implicit orientation to the ellipse. In this coordinate <br>
//! system, the equation of the ellipse is: <br>
//! X*X / (MajorRadius**2) + Y*Y / (MinorRadius**2) = 1.0 <br>
//! See Also <br>
//! gce_MakeElips2d which provides functions for more <br>
//! complex ellipse constructions <br>
//! Geom2d_Ellipse which provides additional functions for <br>
//! constructing ellipses and works, in particular, with the <br>
//! parametric equations of ellipses <br>
class gp_Elips2d {
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);
}
//! Creates an indefinite ellipse. <br>
gp_Elips2d();
//! Creates an ellipse with the major axis, the major and the <br>
//! minor radius. The location of the MajorAxis is the center <br>
//! of the ellipse. <br>
//! The sense of parametrization is given by Sense. <br>
//! Warnings : <br>
//! It is possible to create an ellipse with <br>
//! MajorRadius = MinorRadius. <br>
//! Raises ConstructionError if MajorRadius < MinorRadius or MinorRadius < 0.0 <br>
gp_Elips2d(const gp_Ax2d& MajorAxis,const Standard_Real MajorRadius,const Standard_Real MinorRadius,const Standard_Boolean Sense = Standard_True);
//! Creates an ellipse with radii MajorRadius and <br>
//! MinorRadius, positioned in the plane by coordinate system A where: <br>
//! - the origin of A is the center of the ellipse, <br>
//! - the "X Direction" of A defines the major axis of <br>
//! the ellipse, that is, the major radius MajorRadius <br>
//! is measured along this axis, and <br>
//! - the "Y Direction" of A defines the minor axis of <br>
//! the ellipse, that is, the minor radius MinorRadius <br>
//! is measured along this axis, and <br>
//! - the orientation (direct or indirect sense) of A <br>
//! gives the orientation of the ellipse. <br>
//! Warnings : <br>
//! It is possible to create an ellipse with <br>
//! MajorRadius = MinorRadius. <br>
//! Raises ConstructionError if MajorRadius < MinorRadius or MinorRadius < 0.0 <br>
Standard_EXPORT gp_Elips2d(const gp_Ax22d& A,const Standard_Real MajorRadius,const Standard_Real MinorRadius);
//! Modifies this ellipse, by redefining its local coordinate system so that <br>
//! - its origin becomes P. <br>
Standard_EXPORT void SetLocation(const gp_Pnt2d& P) ;
//! Changes the value of the major radius. <br>
//! Raises ConstructionError if MajorRadius < MinorRadius. <br>
Standard_EXPORT void SetMajorRadius(const Standard_Real MajorRadius) ;
//! Changes the value of the minor radius. <br>
//! Raises ConstructionError if MajorRadius < MinorRadius or MinorRadius < 0.0 <br>
Standard_EXPORT void SetMinorRadius(const Standard_Real MinorRadius) ;
//! Modifies this ellipse, by redefining its local coordinate system so that <br>
//! it becomes A. <br>
Standard_EXPORT void SetAxis(const gp_Ax22d& A) ;
//! Modifies this ellipse, by redefining its local coordinate system so that <br>
//! its origin and its "X Direction" become those <br>
//! of the axis A. The "Y Direction" is then <br>
//! recomputed. The orientation of the local coordinate <br>
//! system is not modified. <br>
Standard_EXPORT void SetXAxis(const gp_Ax2d& A) ;
//! Modifies this ellipse, by redefining its local coordinate system so that <br>
//! its origin and its "Y Direction" become those <br>
//! of the axis A. The "X Direction" is then <br>
//! recomputed. The orientation of the local coordinate <br>
//! system is not modified. <br>
Standard_EXPORT void SetYAxis(const gp_Ax2d& A) ;
//! Computes the area of the ellipse. <br>
Standard_Real Area() const;
//! Returns the coefficients of the implicit equation of the ellipse. <br>
//! A * (X**2) + B * (Y**2) + 2*C*(X*Y) + 2*D*X + 2*E*Y + F = 0. <br>
Standard_EXPORT void Coefficients(Standard_Real& A,Standard_Real& B,Standard_Real& C,Standard_Real& D,Standard_Real& E,Standard_Real& F) const;
//! This directrix is the line normal to the XAxis of the ellipse <br>
//! in the local plane (Z = 0) at a distance d = MajorRadius / e <br>
//! from the center of the ellipse, where e is the eccentricity of <br>
//! the ellipse. <br>
//! This line is parallel to the "YAxis". The intersection point <br>
//! between directrix1 and the "XAxis" is the location point of the <br>
//! directrix1. This point is on the positive side of the "XAxis". <br>
//! Raised if Eccentricity = 0.0. (The ellipse degenerates into a <br>
//! circle) <br>
gp_Ax2d Directrix1() const;
//! This line is obtained by the symmetrical transformation <br>
//! of "Directrix1" with respect to the minor axis of the ellipse. <br>
//! Raised if Eccentricity = 0.0. (The ellipse degenerates into a <br>
//! circle). <br>
gp_Ax2d Directrix2() const;
//! Returns the eccentricity of the ellipse between 0.0 and 1.0 <br>
//! If f is the distance between the center of the ellipse and <br>
//! the Focus1 then the eccentricity e = f / MajorRadius. <br>
//! Returns 0 if MajorRadius = 0. <br>
Standard_Real Eccentricity() const;
//! Returns the distance between the center of the ellipse <br>
//! and focus1 or focus2. <br>
Standard_Real Focal() const;
//! Returns the first focus of the ellipse. This focus is on the <br>
//! positive side of the major axis of the ellipse. <br>
gp_Pnt2d Focus1() const;
//! Returns the second focus of the ellipse. This focus is on the <br>
//! negative side of the major axis of the ellipse. <br>
gp_Pnt2d Focus2() const;
//! Returns the center of the ellipse. <br>
const gp_Pnt2d& Location() const;
//! Returns the major radius of the Ellipse. <br>
Standard_Real MajorRadius() const;
//! Returns the minor radius of the Ellipse. <br>
Standard_Real MinorRadius() const;
//! Returns p = (1 - e * e) * MajorRadius where e is the eccentricity <br>
//! of the ellipse. <br>
//! Returns 0 if MajorRadius = 0 <br>
Standard_Real Parameter() const;
//! Returns the major axis of the ellipse. <br>
const gp_Ax22d& Axis() const;
//! Returns the major axis of the ellipse. <br>
gp_Ax2d XAxis() const;
//! Returns the minor axis of the ellipse. <br>//! Reverses the direction of the circle. <br>
gp_Ax2d YAxis() const;
void Reverse() ;
gp_Elips2d Reversed() const;
//! Returns true if the local coordinate system is direct <br>
//! and false in the other case. <br>
Standard_Boolean IsDirect() const;
Standard_EXPORT void Mirror(const gp_Pnt2d& P) ;
//! Performs the symmetrical transformation of a ellipse with respect <br>
//! to the point P which is the center of the symmetry <br>
Standard_EXPORT gp_Elips2d Mirrored(const gp_Pnt2d& P) const;
Standard_EXPORT void Mirror(const gp_Ax2d& A) ;
//! Performs the symmetrical transformation of a ellipse with respect <br>
//! to an axis placement which is the axis of the symmetry. <br>
Standard_EXPORT gp_Elips2d Mirrored(const gp_Ax2d& A) const;
Standard_EXPORT void Rotate(const gp_Pnt2d& P,const Standard_Real Ang) ;
Standard_EXPORT gp_Elips2d Rotated(const gp_Pnt2d& P,const Standard_Real Ang) const;
Standard_EXPORT void Scale(const gp_Pnt2d& P,const Standard_Real S) ;
//! Scales a ellipse. S is the scaling value. <br>
Standard_EXPORT gp_Elips2d Scaled(const gp_Pnt2d& P,const Standard_Real S) const;
Standard_EXPORT void Transform(const gp_Trsf2d& T) ;
//! Transforms an ellipse with the transformation T from class Trsf2d. <br>
Standard_EXPORT gp_Elips2d Transformed(const gp_Trsf2d& T) const;
Standard_EXPORT void Translate(const gp_Vec2d& V) ;
//! Translates a ellipse in the direction of the vector V. <br>
//! The magnitude of the translation is the vector's magnitude. <br>
Standard_EXPORT gp_Elips2d Translated(const gp_Vec2d& V) const;
Standard_EXPORT void Translate(const gp_Pnt2d& P1,const gp_Pnt2d& P2) ;
//! Translates a ellipse from the point P1 to the point P2. <br>
Standard_EXPORT gp_Elips2d Translated(const gp_Pnt2d& P1,const gp_Pnt2d& P2) const;
const gp_Ax22d& _CSFDB_Getgp_Elips2dpos() const { return pos; }
Standard_Real _CSFDB_Getgp_Elips2dmajorRadius() const { return majorRadius; }
void _CSFDB_Setgp_Elips2dmajorRadius(const Standard_Real p) { majorRadius = p; }
Standard_Real _CSFDB_Getgp_Elips2dminorRadius() const { return minorRadius; }
void _CSFDB_Setgp_Elips2dminorRadius(const Standard_Real p) { minorRadius = p; }
protected:
private:
gp_Ax22d pos;
Standard_Real majorRadius;
Standard_Real minorRadius;
};
#include <gp_Elips2d.lxx>
// other Inline functions and methods (like "C++: function call" methods)
#endif
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