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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
// Created on: 1994-09-23
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// Created by: Yves FRICAUD
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Geom2d_Curve.hxx>
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#include <Geom2d_TrimmedCurve.hxx>
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#include <Geom2dLProp_CurAndInf2d.hxx>
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#include <gp_Pnt2d.hxx>
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#include <MAT2d_CutCurve.hxx>
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#include <Precision.hxx>
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#include <Standard_OutOfRange.hxx>
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#include <TColGeom2d_SequenceOfCurve.hxx>
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//=======================================================================
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//function : MAT2d_CutCurve
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//purpose :
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//=======================================================================
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MAT2d_CutCurve::MAT2d_CutCurve()
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{
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}
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//=======================================================================
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//function : MAT2d_CutCurve
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//purpose :
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//=======================================================================
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MAT2d_CutCurve::MAT2d_CutCurve(const Handle(Geom2d_Curve)& C)
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{
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Perform (C);
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void MAT2d_CutCurve::Perform(const Handle(Geom2d_Curve)& C)
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{
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theCurves.Clear();
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Geom2dLProp_CurAndInf2d Sommets;
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Handle(Geom2d_TrimmedCurve) TrimC;
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Standard_Real UF,UL,UC;
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gp_Pnt2d PF,PL,PC;
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Standard_Real PTol = Precision::PConfusion()*10;
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Standard_Real Tol = Precision::Confusion()*10;
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Standard_Boolean YaCut = Standard_False;
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Sommets.Perform (C);
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if (Sommets.IsDone() && !Sommets.IsEmpty()) {
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UF = C->FirstParameter();
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UL = C->LastParameter ();
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PF = C->Value(UF);
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PL = C->Value(UL);
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for (Standard_Integer i = 1; i <= Sommets.NbPoints(); i++) {
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UC = Sommets.Parameter(i);
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PC = C->Value(UC);
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if (UC - UF > PTol && PC.Distance(PF) > Tol) {
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if ( UL - UC < PTol || PL.Distance(PC) < Tol) {
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break;
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}
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TrimC = new Geom2d_TrimmedCurve(C,UF,UC);
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theCurves.Append(TrimC);
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UF = UC;
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PF = PC;
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YaCut = Standard_True;
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}
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}
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if (YaCut) {
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TrimC = new Geom2d_TrimmedCurve(C,UF,UL);
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theCurves.Append(TrimC);
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}
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}
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}
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//=======================================================================
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//function : UnModified
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//purpose :
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//=======================================================================
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Standard_Boolean MAT2d_CutCurve::UnModified() const
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{
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return theCurves.IsEmpty();
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}
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//=======================================================================
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//function : NbCurves
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//purpose :
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//=======================================================================
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Standard_Integer MAT2d_CutCurve::NbCurves() const
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{
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if (UnModified()) {Standard_OutOfRange::Raise();}
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return theCurves.Length();
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}
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//=======================================================================
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//function : Value
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//purpose :
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//=======================================================================
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Handle(Geom2d_TrimmedCurve) MAT2d_CutCurve::Value (
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const Standard_Integer Index)
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const
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{
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if (UnModified()) {Standard_OutOfRange::Raise();}
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if ( Index < 1 || Index > theCurves.Length()) {
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Standard_OutOfRange::Raise();
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}
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return Handle(Geom2d_TrimmedCurve)::DownCast(theCurves.Value(Index));
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}
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