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ed4415982c
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
145 lines
4.7 KiB
C++
145 lines
4.7 KiB
C++
// Created on: 1999-06-22
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// Created by: Roman LYGIN
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// Copyright (c) 1999-1999 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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// pdn 13.07.99 Derivatives are scaled in accordance with local/global parameter transition
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#include <ShapeExtend_ComplexCurve.ixx>
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#include <Precision.hxx>
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//=======================================================================
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//function : ShapeExtend_ComplexCurve
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//purpose :
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//=======================================================================
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ShapeExtend_ComplexCurve::ShapeExtend_ComplexCurve()
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{
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myClosed = Standard_False;
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}
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//=======================================================================
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//function : Transform
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//purpose :
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//=======================================================================
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void ShapeExtend_ComplexCurve::Transform(const gp_Trsf& T)
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{
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for (Standard_Integer i = 1; i <= NbCurves(); i++)
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Curve(i)->Transform(T);
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}
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//=======================================================================
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//function : D0
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//purpose :
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//=======================================================================
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void ShapeExtend_ComplexCurve::D0(const Standard_Real U,gp_Pnt& P) const
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{
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Standard_Real UOut;
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Standard_Integer ind = LocateParameter (U, UOut);
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Curve(ind)->D0(UOut, P);
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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 ShapeExtend_ComplexCurve::D1(const Standard_Real U,gp_Pnt& P,gp_Vec& V1) const
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{
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Standard_Real UOut;
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Standard_Integer ind = LocateParameter (U, UOut);
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Curve(ind)->D1(UOut, P, V1);
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TransformDN(V1,ind,1);
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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 ShapeExtend_ComplexCurve::D2(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2) const
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{
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Standard_Real UOut;
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Standard_Integer ind = LocateParameter (U, UOut);
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Curve(ind)->D2(UOut, P, V1, V2);
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TransformDN(V1,ind,1);
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TransformDN(V2,ind,2);
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}
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//=======================================================================
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//function : D3
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//purpose :
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//=======================================================================
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void ShapeExtend_ComplexCurve::D3(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2,gp_Vec& V3) const
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{
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Standard_Real UOut;
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Standard_Integer ind = LocateParameter (U, UOut);
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Curve(ind)->D3(UOut, P, V1, V2, V3);
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TransformDN(V1,ind,1);
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TransformDN(V2,ind,2);
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TransformDN(V3,ind,3);
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}
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//=======================================================================
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//function : DN
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//purpose :
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//=======================================================================
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gp_Vec ShapeExtend_ComplexCurve::DN(const Standard_Real U,const Standard_Integer N) const
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{
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Standard_Real UOut;
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Standard_Integer ind = LocateParameter (U, UOut);
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gp_Vec res = Curve(ind)->DN(UOut, N);
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if(N)
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TransformDN(res,ind,N);
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return res;
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}
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//=======================================================================
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//function : CheckConnectivity
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeExtend_ComplexCurve::CheckConnectivity (const Standard_Real Preci)
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{
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Standard_Integer NbC = NbCurves();
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Standard_Boolean ok = Standard_True;
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for (Standard_Integer i = 1; i < NbC; i++ ) {
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if (i == 1) myClosed = Value (FirstParameter()).IsEqual (Value (LastParameter()), Preci);
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ok &= Curve (i)->Value (Curve(i)->LastParameter()).IsEqual
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(Curve (i + 1)->Value (Curve(i + 1)->FirstParameter()), Preci);
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}
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#ifdef DEB
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if (!ok) cout << "Warning: ShapeExtend_ComplexCurve: not connected in 3d" << endl;
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#endif
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return ok;
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}
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//=======================================================================
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//function : TransformDN
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//purpose :
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//=======================================================================
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void ShapeExtend_ComplexCurve::TransformDN (gp_Vec& V,
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const Standard_Integer ind,
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const Standard_Integer N) const
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{
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Standard_Real fact = GetScaleFactor(ind);
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for(Standard_Integer i = 1; i <= N; i++)
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V*= fact;
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}
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