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// File: gce_MakeElips2d.cxx
// Created: Wed Sep 2 12:35:36 1992
// Author: Remi GILET
// <reg@sdsun1>
#include <gce_MakeElips2d.ixx>
#include <gp.hxx>
#include <gp_Lin2d.hxx>
#include <StdFail_NotDone.hxx>
//=========================================================================
// Creation d une Ellipse 2d de gp de centre <Center> et de sommets +
// <S1> et <S2>. +
// <CenterS1> donne le grand axe . +
// <S1> donne le grand rayon et <S2> le petit rayon. +
//=========================================================================
gce_MakeElips2d::gce_MakeElips2d(const gp_Pnt2d& S1 ,
const gp_Pnt2d& S2 ,
const gp_Pnt2d& Center )
{
Standard_Real D1 = S1.Distance(Center);
gp_Dir2d XAxis(gp_XY(S1.XY()-Center.XY()));
gp_Dir2d YAxis(gp_XY(S2.XY()-Center.XY()));
Standard_Real D2 = gp_Lin2d(Center,XAxis).Distance(S2);
if (D1 < D2) { TheError = gce_InvertAxis; }
else if (D2 < gp::Resolution()) { TheError = gce_NullAxis; }
else {
TheElips2d = gp_Elips2d(gp_Ax22d(Center,XAxis,YAxis),D1,D2);
TheError = gce_Done;
}
}
gce_MakeElips2d::gce_MakeElips2d(const gp_Ax2d& MajorAxis ,
const Standard_Real MajorRadius ,
const Standard_Real MinorRadius ,
const Standard_Boolean Sense )
{
if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; }
else if (MajorRadius < MinorRadius) { TheError = gce_InvertRadius; }
else {
TheElips2d = gp_Elips2d(MajorAxis,MajorRadius,MinorRadius,Sense);
TheError = gce_Done;
}
}
gce_MakeElips2d::gce_MakeElips2d(const gp_Ax22d& A ,
const Standard_Real MajorRadius ,
const Standard_Real MinorRadius )
{
if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; }
else if (MajorRadius < MinorRadius) { TheError = gce_InvertRadius; }
else {
TheElips2d = gp_Elips2d(A,MajorRadius,MinorRadius);
TheError = gce_Done;
}
}
const gp_Elips2d& gce_MakeElips2d::Value() const
{
StdFail_NotDone_Raise_if(!TheError == gce_Done,"");
return TheElips2d;
}
const gp_Elips2d& gce_MakeElips2d::Operator() const
{
return Value();
}
gce_MakeElips2d::operator gp_Elips2d() const
{
return Value();
}
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