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// File: ShapeUpgrade_FixSmallBezierCurves.cxx
// Created: Wed Jun 7 17:54:42 2000
// Author: Galina KULIKOVA
// <gka@zamox.nnov.matra-dtv.fr>
#include <ShapeUpgrade_FixSmallBezierCurves.ixx>
#include <TopoDS_Edge.hxx>
#include <Geom_Curve.hxx>
#include <Geom2d_Curve.hxx>
#include <gp_Pnt.hxx>
#include <ShapeAnalysis_Edge.hxx>
#include <TopExp.hxx>
#include <BRep_Tool.hxx>
#include <gp_Pnt2d.hxx>
#include <Geom2dConvert_ApproxCurve.hxx>
#include <TColGeom_HArray1OfCurve.hxx>
#include <ShapeExtend.hxx>
#include <TColGeom2d_HArray1OfCurve.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <Geom_Surface.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <GeomAbs_Shape.hxx>
#include <TopLoc_Location.hxx>
#include <GeomConvert_ApproxCurve.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <GeomConvert_ApproxCurve.hxx>
#include <ShapeUpgrade_SplitCurve3d.hxx>
#include <ShapeUpgrade_SplitCurve2d.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
ShapeUpgrade_FixSmallBezierCurves::ShapeUpgrade_FixSmallBezierCurves()
{
}
Standard_Boolean ShapeUpgrade_FixSmallBezierCurves::Approx(Handle(Geom_Curve)& Curve3d,Handle(Geom2d_Curve)& Curve2d,Handle(Geom2d_Curve)& Curve2dR,Standard_Real& First,Standard_Real& Last)
{
ShapeAnalysis_Edge sae;
Handle(Geom_Curve) c3d;
Standard_Real f,l;
if(sae.Curve3d(myEdge,c3d,f,l,Standard_False)) {
if(First < f)
First = f;
if(Last > l)
Last =l;
Handle(Geom_TrimmedCurve) trc = new Geom_TrimmedCurve(c3d,First,Last);
GeomAbs_Shape aCont = (GeomAbs_Shape)trc->Continuity();
if(aCont == GeomAbs_C3 || aCont == GeomAbs_CN)
aCont = GeomAbs_C2;
try {
OCC_CATCH_SIGNALS
GeomConvert_ApproxCurve AproxCurve(trc,Precision(),aCont,1,9);
if(AproxCurve.IsDone()) {
Handle(Geom_Curve) newCurve = AproxCurve.Curve();
mySplitCurve3dTool->Init(AproxCurve.Curve(),First,Last);
mySplitCurve3dTool->Perform(Standard_True);
if (!mySplitCurve3dTool->Status ( ShapeExtend_FAIL )) {
Handle(TColGeom_HArray1OfCurve) theSegments3d;
theSegments3d = mySplitCurve3dTool->GetCurves();
if(theSegments3d->Length() >1) return Standard_False;
Curve3d = theSegments3d->Value(1);
}
}
}
catch (Standard_Failure) {
#ifdef DEB
cout << "Warning: ShapeUpgrade_FixSmallBezierCurve::Approx(): Exception in Segment :";
Standard_Failure::Caught()->Print(cout); cout << endl;
#endif
return Standard_False;
}
}
if ( myFace.IsNull() ) return Standard_True;
Handle(Geom2d_Curve) c2d;
TopLoc_Location L;
Handle(Geom_Surface) aSurf = BRep_Tool::Surface(myFace,L);
GeomAdaptor_Surface ads(aSurf);// = new GeomAdaptor_Surface(aSurf);
Standard_Real prec = Max(ads.UResolution(Precision()),ads.VResolution(Precision()));
if(sae.PCurve(myEdge,myFace,c2d,f,l,Standard_False)) {
if(First < f)
First = f;
if(Last > l)
Last =l;
Handle(Geom2d_TrimmedCurve) trc2d = new Geom2d_TrimmedCurve(c2d,First,Last);
GeomAbs_Shape aCont = (GeomAbs_Shape)trc2d->Continuity();
try {
OCC_CATCH_SIGNALS
Geom2dConvert_ApproxCurve AproxCurve2d(trc2d,prec,aCont,1,9);
if(AproxCurve2d.IsDone()) {
Handle(Geom2d_Curve) newCurve = AproxCurve2d.Curve();
mySplitCurve2dTool->Init(AproxCurve2d.Curve(),First,Last);
mySplitCurve2dTool->Perform(Standard_True);
if ( mySplitCurve2dTool->Status ( ShapeExtend_FAIL ))
return Standard_False;
Handle(TColGeom2d_HArray1OfCurve) theSegments2d;
theSegments2d = mySplitCurve2dTool->GetCurves();
if(theSegments2d->Length() >1) return Standard_False; //ShapeAnalysis_Surface
Curve2d = theSegments2d->Value(1);
}
}
catch (Standard_Failure) {
#ifdef DEB
cout << "Warning: ShapeUpgrade_FixSmallBezierCurve::Approx(): Exception in Segment :";
Standard_Failure::Caught()->Print(cout); cout << endl;
#endif
return Standard_False;
}
}
Standard_Boolean isSeam = BRep_Tool::IsClosed ( myEdge, myFace );
if ( isSeam ) {
Handle(Geom2d_Curve) c2;
Standard_Real f2, l2;
//smh#8
TopoDS_Shape tmpE = myEdge.Reversed();
TopoDS_Edge erev = TopoDS::Edge (tmpE );
if ( sae.PCurve ( erev, myFace, c2, f2, l2, Standard_False) ) {
if(First > f)
First = f;
if(Last > l)
Last =l;
Handle(Geom2d_TrimmedCurve) trc2d = new Geom2d_TrimmedCurve(c2,First,Last);
GeomAbs_Shape aCont = trc2d->Continuity();
Geom2dConvert_ApproxCurve AproxCurve2d(trc2d,prec,aCont,1,9);
try {
OCC_CATCH_SIGNALS
if(AproxCurve2d.IsDone()) {
Handle(Geom2d_Curve) newCurve = AproxCurve2d.Curve();
mySplitCurve2dTool->Init(AproxCurve2d.Curve(),First,Last);
mySplitCurve2dTool->Perform(Standard_True);
if ( ! mySplitCurve2dTool->Status ( ShapeExtend_DONE ))
return Standard_False;
Handle(TColGeom2d_HArray1OfCurve) theSegments2d;
theSegments2d = mySplitCurve2dTool->GetCurves();
if(theSegments2d->Length() >1) return Standard_False; //ShapeAnalysis_Surface
Curve2dR = theSegments2d->Value(1);
}
}
catch (Standard_Failure) {
#ifdef DEB
cout << "Warning: ShapeUpgrade_FixSmallBezierCurve::Approx(): Exception in Segment :";
Standard_Failure::Caught()->Print(cout); cout << endl;
#endif
return Standard_False;
}
}
}
return Standard_True;
}
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