mirror of
https://git.dev.opencascade.org/repos/occt.git
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0e14656b30
Dereferenced null pointers was eliminated for PLib, BSplCLib and BSplSLib. All affected code was changed accordingly.
315 lines
9.8 KiB
C++
315 lines
9.8 KiB
C++
// Copyright (c) 1995-1999 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 <AppParCurves_HArray1OfMultiPoint.hxx>
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#include <AppParCurves_MultiBSpCurve.hxx>
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#include <AppParCurves_MultiCurve.hxx>
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#include <BSplCLib.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec.hxx>
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#include <gp_Vec2d.hxx>
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#include <Standard_ConstructionError.hxx>
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#include <Standard_DimensionError.hxx>
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#include <Standard_OutOfRange.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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//=======================================================================
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//function : ComputeDegree
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//purpose :
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//=======================================================================
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static Standard_Integer ComputeDegree(const TColStd_Array1OfInteger& mults,
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const Standard_Integer nbPoles)
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{
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Standard_Integer i, sum = 0;
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for (i = mults.Lower(); i <= mults.Upper(); i++) {
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sum += mults(i);
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}
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return sum - nbPoles -1;
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}
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//=======================================================================
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//function : AppParCurves_MultiBSpCurve
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//purpose :
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//=======================================================================
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AppParCurves_MultiBSpCurve::AppParCurves_MultiBSpCurve() {}
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//=======================================================================
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//function : AppParCurves_MultiBSpCurve
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//purpose :
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//=======================================================================
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AppParCurves_MultiBSpCurve::AppParCurves_MultiBSpCurve
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(const Standard_Integer NbPol):
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AppParCurves_MultiCurve(NbPol)
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{
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}
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//=======================================================================
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//function : AppParCurves_MultiBSpCurve
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//purpose :
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//=======================================================================
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AppParCurves_MultiBSpCurve::AppParCurves_MultiBSpCurve
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(const AppParCurves_Array1OfMultiPoint& tabMU,
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const TColStd_Array1OfReal& Knots,
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const TColStd_Array1OfInteger& Mults):
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AppParCurves_MultiCurve(tabMU)
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{
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myknots = new TColStd_HArray1OfReal(Knots.Lower(), Knots.Upper());
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myknots->ChangeArray1() = Knots;
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mymults = new TColStd_HArray1OfInteger(Mults.Lower(), Mults.Upper());
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mymults->ChangeArray1() = Mults;
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myDegree = ComputeDegree(Mults,NbPoles());
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}
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//=======================================================================
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//function : AppParCurves_MultiBSpCurve
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//purpose :
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//=======================================================================
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AppParCurves_MultiBSpCurve::AppParCurves_MultiBSpCurve
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(const AppParCurves_MultiCurve& SC,
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const TColStd_Array1OfReal& Knots,
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const TColStd_Array1OfInteger& Mults):
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AppParCurves_MultiCurve(SC)
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{
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myknots = new TColStd_HArray1OfReal(Knots.Lower(), Knots.Upper());
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myknots->ChangeArray1() = Knots;
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mymults = new TColStd_HArray1OfInteger(Mults.Lower(), Mults.Upper());
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mymults->ChangeArray1() = Mults;
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myDegree = ComputeDegree(Mults,NbPoles());
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}
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//=======================================================================
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//function : SetKnots
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//purpose :
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//=======================================================================
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void AppParCurves_MultiBSpCurve::SetKnots(const TColStd_Array1OfReal& theKnots)
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{
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myknots = new TColStd_HArray1OfReal(theKnots.Lower(), theKnots.Upper());
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myknots->ChangeArray1() = theKnots;
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}
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//=======================================================================
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//function : SetMultiplicities
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//purpose :
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//=======================================================================
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void AppParCurves_MultiBSpCurve::SetMultiplicities(const TColStd_Array1OfInteger& theMults)
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{
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mymults = new TColStd_HArray1OfInteger(theMults.Lower(), theMults.Upper());
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mymults->ChangeArray1() = theMults;
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myDegree = ComputeDegree(theMults,NbPoles());
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}
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//=======================================================================
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//function : Knots
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//purpose :
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//=======================================================================
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const TColStd_Array1OfReal& AppParCurves_MultiBSpCurve::Knots() const
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{
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return myknots->Array1();
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}
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//=======================================================================
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//function : Multiplicities
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//purpose :
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//=======================================================================
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const TColStd_Array1OfInteger& AppParCurves_MultiBSpCurve::Multiplicities() const
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{
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return mymults->Array1();
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}
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//=======================================================================
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//function : Degree
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//purpose :
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//=======================================================================
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Standard_Integer AppParCurves_MultiBSpCurve::Degree() const
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{
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return myDegree;
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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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void AppParCurves_MultiBSpCurve::Value (const Standard_Integer CuIndex,
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const Standard_Real U, gp_Pnt& Pt) const {
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if (Dimension(CuIndex) != 3) {
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Standard_OutOfRange::Raise();
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}
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TColgp_Array1OfPnt TabPoles(1, tabPoint->Length());
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Curve(CuIndex, TabPoles);
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BSplCLib::D0(U,0,myDegree,Standard_False,TabPoles,BSplCLib::NoWeights(),
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myknots->Array1(),&mymults->Array1(),Pt);
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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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void AppParCurves_MultiBSpCurve::Value (const Standard_Integer CuIndex,
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const Standard_Real U, gp_Pnt2d& Pt) const {
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if (Dimension(CuIndex) != 2) {
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Standard_OutOfRange::Raise();
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}
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TColgp_Array1OfPnt2d TabPoles(1, tabPoint->Length());
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Curve(CuIndex, TabPoles);
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BSplCLib::D0(U,0,myDegree,Standard_False,TabPoles,BSplCLib::NoWeights(),
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myknots->Array1(),&mymults->Array1(),Pt);
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}
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//=======================================================================
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//function : D1
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//purpose :
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//=======================================================================
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void AppParCurves_MultiBSpCurve::D1 (const Standard_Integer CuIndex,
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const Standard_Real U, gp_Pnt& Pt, gp_Vec& V1) const {
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if (Dimension(CuIndex) != 3) {
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Standard_OutOfRange::Raise();
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}
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TColgp_Array1OfPnt TabPoles(1, tabPoint->Length());
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Curve(CuIndex, TabPoles);
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BSplCLib::D1(U,0,myDegree,Standard_False,TabPoles,BSplCLib::NoWeights(),
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myknots->Array1(),&mymults->Array1(),Pt,V1);
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}
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//=======================================================================
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//function : D2
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//purpose :
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//=======================================================================
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void AppParCurves_MultiBSpCurve::D2 (const Standard_Integer CuIndex,
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const Standard_Real U,
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gp_Pnt& Pt,
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gp_Vec& V1,
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gp_Vec& V2) const {
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if (Dimension(CuIndex) != 3) {
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Standard_OutOfRange::Raise();
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}
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TColgp_Array1OfPnt TabPoles(1, tabPoint->Length());
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Curve(CuIndex, TabPoles);
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BSplCLib::D2(U,0,myDegree,Standard_False,TabPoles,BSplCLib::NoWeights(),
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myknots->Array1(),&mymults->Array1(),Pt,V1,V2);
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}
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//=======================================================================
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//function : D1
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//purpose :
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//=======================================================================
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void AppParCurves_MultiBSpCurve::D1 (const Standard_Integer CuIndex,
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const Standard_Real U, gp_Pnt2d& Pt, gp_Vec2d& V1) const {
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if (Dimension(CuIndex) != 2) {
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Standard_OutOfRange::Raise();
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}
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TColgp_Array1OfPnt2d TabPoles(1, tabPoint->Length());
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Curve(CuIndex, TabPoles);
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BSplCLib::D1(U,0,myDegree,Standard_False,TabPoles,BSplCLib::NoWeights(),
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myknots->Array1(),&mymults->Array1(),Pt,V1);
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}
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//=======================================================================
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//function : D2
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//purpose :
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//=======================================================================
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void AppParCurves_MultiBSpCurve::D2 (const Standard_Integer CuIndex,
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const Standard_Real U,
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gp_Pnt2d& Pt,
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gp_Vec2d& V1,
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gp_Vec2d& V2) const {
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if (Dimension(CuIndex) != 2) {
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Standard_OutOfRange::Raise();
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}
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TColgp_Array1OfPnt2d TabPoles(1, tabPoint->Length());
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Curve(CuIndex, TabPoles);
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BSplCLib::D2(U,0,myDegree,Standard_False,TabPoles,BSplCLib::NoWeights(),
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myknots->Array1(),&mymults->Array1(),Pt,V1,V2);
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}
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//=======================================================================
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//function : Dump
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//purpose :
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//=======================================================================
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void AppParCurves_MultiBSpCurve::Dump(Standard_OStream& o) const
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{
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o << "AppParCurves_MultiBSpCurve dump:" << endl;
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o << " It contains " << NbCurves() << " BSpline curves "<< endl;
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o << " The poles are: " << endl;
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/* for (Standard_Integer i = 1; i <= NbCurves(); i++) {
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o << " Curve No. " << i << endl;
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if (Dimension(i) == 3) {
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for (Standard_Integer j = 1; j <= tabPoint->Length(); j++) {
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o << " Pole No. " << j << ": " << endl;
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o << " Pole x = " << (tabPoint->Value(j)->Point(i)).X() << endl;
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o << " Pole y = " << (tabPoint->Value(j)->Point(i)).Y() << endl;
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o << " Pole z = " << (tabPoint->Value(j)->Point(i)).Z() << endl;
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}
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}
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else {
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for (Standard_Integer j = 1; j <= tabPoint->Length(); j++) {
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o << " Pole No. " << j << ": " << endl;
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o << " Pole x = " << (tabPoint->Value(j)->Point2d(i)).X() << endl;
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o << " Pole y = " << (tabPoint->Value(j)->Point2d(i)).Y() << endl;
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}
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}
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}
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*/
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}
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