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#include <BndLib_Add2dCurve.ixx>
#include <BndLib.hxx>
#include <GeomAbs_CurveType.hxx>
#include <TColgp_Array1OfPnt2d.hxx>
#include <Geom2d_BezierCurve.hxx>
#include <Geom2d_BSplineCurve.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Lin2d.hxx>
#include <gp_Circ2d.hxx>
#include <gp_Elips2d.hxx>
#include <gp_Parab2d.hxx>
#include <gp_Hypr2d.hxx>
#include <Precision.hxx>
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BndLib_Add2dCurve::Add(const Adaptor2d_Curve2d& C,
const Standard_Real Tol,
Bnd_Box2d& B )
{
BndLib_Add2dCurve::Add(C,
C.FirstParameter(),
C.LastParameter (),
Tol,B);
}
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BndLib_Add2dCurve::Add( const Adaptor2d_Curve2d& C,
const Standard_Real U1,
const Standard_Real U2,
const Standard_Real Tol,
Bnd_Box2d& B )
{
GeomAbs_CurveType Type = C.GetType();
switch (Type) {
case GeomAbs_Line:
{
BndLib::Add(C.Line(),U1,U2,Tol,B);
break;
}
case GeomAbs_Circle:
{
BndLib::Add(C.Circle(),U1,U2,Tol,B);
break;
}
case GeomAbs_Ellipse:
{
BndLib::Add(C.Ellipse(),U1,U2,Tol,B);
break;
}
case GeomAbs_Hyperbola:
{
BndLib::Add(C.Hyperbola(),U1,U2,Tol,B);
break;
}
case GeomAbs_Parabola:
{
BndLib::Add(C.Parabola(),U1,U2,Tol,B);
break;
}
case GeomAbs_BezierCurve:
{
Handle(Geom2d_BezierCurve) Bz = C.Bezier();
if(Abs(Bz->FirstParameter() - U1) > Precision::Parametric(Tol)||
Abs(Bz->LastParameter() - U2) > Precision::Parametric(Tol)) {
Handle(Geom2d_Geometry) G = Bz->Copy();
const Handle(Geom2d_BezierCurve)& Bzaux = (*((Handle(Geom2d_BezierCurve)*)&G));
Bzaux->Segment(U1, U2);
for (Standard_Integer i = 1; i <= Bzaux->NbPoles(); i++) {
B.Add(Bzaux->Pole(i));
}
}
else {
for (Standard_Integer i = 1;i<=Bz->NbPoles();i++) {
B.Add(Bz->Pole(i));
}
}
B.Enlarge(Tol);
break;
}
case GeomAbs_BSplineCurve:
{
Handle(Geom2d_BSplineCurve) Bs = C.BSpline();
if(Abs(Bs->FirstParameter() - U1) > Precision::Parametric(Tol)||
Abs(Bs->LastParameter() - U2) > Precision::Parametric(Tol)) {
Handle(Geom2d_Geometry) G = Bs->Copy();
const Handle(Geom2d_BSplineCurve)& Bsaux = (*((Handle(Geom2d_BSplineCurve)*)&G));
// modified by NIZHNY-EAP Fri Dec 3 14:29:14 1999 ___BEGIN___
// To avoid exeption in Segment
Standard_Real u1 = U1, u2 = U2;
if(Bsaux->FirstParameter() > U1) u1 = Bsaux->FirstParameter();
if(Bsaux->LastParameter() < U2 ) u2 = Bsaux->LastParameter();
// modified by NIZHNY-EAP Fri Dec 3 14:29:18 1999 ___END___
Bsaux->Segment(u1, u2);
for (Standard_Integer i = 1; i <= Bsaux->NbPoles(); i++) {
B.Add(Bsaux->Pole(i));
}
}
else {
for (Standard_Integer i = 1;i<=Bs->NbPoles();i++) {
B.Add(Bs->Pole(i));
}
}
B.Enlarge(Tol);
break;
}
default:
{
Standard_Real N = 33;
gp_Pnt2d P;
Standard_Real U = U1;
Standard_Real DU = (U2-U1)/(N-1);
for (Standard_Integer j=1;j<N;j++) {
C.D0(U,P);
U+=DU;
B.Add(P);
}
C.D0(U2,P);
B.Add(P);
B.Enlarge(Tol);
}
}
}
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