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d5f74e42d6
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.
226 lines
6.2 KiB
C++
226 lines
6.2 KiB
C++
// Created on: 1993-08-24
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// Created by: Bruno DUMORTIER
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// Copyright (c) 1993-1999 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 <ProjLib_Plane.ixx>
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#include <gp_Vec.hxx>
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//=======================================================================
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//function : ProjLib_Plane
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//purpose :
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//=======================================================================
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ProjLib_Plane::ProjLib_Plane()
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{
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}
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//=======================================================================
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//function : ProjLib_Plane
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//purpose :
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//=======================================================================
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ProjLib_Plane::ProjLib_Plane(const gp_Pln& Pl)
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{
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Init(Pl);
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}
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//=======================================================================
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//function : ProjLib_Plane
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//purpose :
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//=======================================================================
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ProjLib_Plane::ProjLib_Plane(const gp_Pln& Pl, const gp_Lin& L)
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{
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Init(Pl);
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Project(L);
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}
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//=======================================================================
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//function : ProjLib_Plane
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//purpose :
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//=======================================================================
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ProjLib_Plane::ProjLib_Plane(const gp_Pln& Pl, const gp_Circ& C)
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{
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Init(Pl);
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Project(C);
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}
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//=======================================================================
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//function : ProjLib_Plane
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//purpose :
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//=======================================================================
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ProjLib_Plane::ProjLib_Plane(const gp_Pln& Pl, const gp_Elips& E)
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{
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Init(Pl);
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Project(E);
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}
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//=======================================================================
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//function : ProjLib_Plane
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//purpose :
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//=======================================================================
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ProjLib_Plane::ProjLib_Plane(const gp_Pln& Pl, const gp_Parab& P)
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{
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Init(Pl);
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Project(P);
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}
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//=======================================================================
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//function : ProjLib_Plane
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//purpose :
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//=======================================================================
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ProjLib_Plane::ProjLib_Plane(const gp_Pln& Pl, const gp_Hypr& H)
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{
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Init(Pl);
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Project(H);
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void ProjLib_Plane::Init(const gp_Pln& Pl)
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{
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myType = GeomAbs_OtherCurve;
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isDone = Standard_False;
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myIsPeriodic = Standard_False;
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myPlane = Pl;
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}
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//=======================================================================
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//function : EvalPnt2d / EvalDir2d
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//purpose : returns the Projected Pnt / Dir in the parametrization range
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// of myPlane.
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//=======================================================================
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static gp_Pnt2d EvalPnt2d( const gp_Pnt P, const gp_Pln& Pl)
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{
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gp_Vec OP( Pl.Location(),P);
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return gp_Pnt2d( OP.Dot(gp_Vec(Pl.Position().XDirection())),
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OP.Dot(gp_Vec(Pl.Position().YDirection())));
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}
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static gp_Dir2d EvalDir2d( const gp_Dir& D, const gp_Pln& Pl)
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{
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return gp_Dir2d( D.Dot(Pl.Position().XDirection()),
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D.Dot(Pl.Position().YDirection()));
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}
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//=======================================================================
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//function : Project
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//purpose :
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//=======================================================================
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void ProjLib_Plane::Project(const gp_Lin& L)
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{
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myType = GeomAbs_Line;
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myLin = gp_Lin2d(EvalPnt2d(L.Location() ,myPlane),
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EvalDir2d(L.Direction(),myPlane) );
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isDone = Standard_True;
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}
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//=======================================================================
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//function : Project
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//purpose :
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//=======================================================================
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void ProjLib_Plane::Project(const gp_Circ& C)
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{
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myType = GeomAbs_Circle;
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gp_Pnt2d P2d = EvalPnt2d(C.Location(),myPlane);
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gp_Dir2d X2d = EvalDir2d(C.Position().XDirection(),myPlane);
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gp_Dir2d Y2d = EvalDir2d(C.Position().YDirection(),myPlane);
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gp_Ax22d Ax(P2d,X2d,Y2d);
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myCirc = gp_Circ2d(Ax, C.Radius());
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myIsPeriodic = Standard_True;
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isDone = Standard_True;
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}
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//=======================================================================
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//function : Project
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//purpose :
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//=======================================================================
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void ProjLib_Plane::Project(const gp_Elips& E)
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{
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myType = GeomAbs_Ellipse;
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gp_Pnt2d P2d = EvalPnt2d(E.Location(),myPlane);
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gp_Dir2d X2d = EvalDir2d(E.Position().XDirection(),myPlane);
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gp_Dir2d Y2d = EvalDir2d(E.Position().YDirection(),myPlane);
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gp_Ax22d Ax(P2d,X2d,Y2d);
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myElips = gp_Elips2d(Ax,E.MajorRadius(),E.MinorRadius());
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myIsPeriodic = Standard_True;
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isDone = Standard_True;
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}
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//=======================================================================
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//function : Project
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//purpose :
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//=======================================================================
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void ProjLib_Plane::Project(const gp_Parab& P)
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{
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myType = GeomAbs_Parabola;
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gp_Pnt2d P2d = EvalPnt2d(P.Location(),myPlane);
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gp_Dir2d X2d = EvalDir2d(P.Position().XDirection(),myPlane);
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gp_Dir2d Y2d = EvalDir2d(P.Position().YDirection(),myPlane);
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gp_Ax22d Ax(P2d,X2d,Y2d);
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myParab = gp_Parab2d(Ax,P.Focal());
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isDone = Standard_True;
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}
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//=======================================================================
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//function : Project
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//purpose :
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//=======================================================================
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void ProjLib_Plane::Project(const gp_Hypr& H)
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{
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myType = GeomAbs_Hyperbola;
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gp_Pnt2d P2d = EvalPnt2d(H.Location(),myPlane);
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gp_Dir2d X2d = EvalDir2d(H.Position().XDirection(),myPlane);
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gp_Dir2d Y2d = EvalDir2d(H.Position().YDirection(),myPlane);
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gp_Ax22d Ax(P2d,X2d,Y2d);
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myHypr = gp_Hypr2d(Ax,H.MajorRadius(),H.MinorRadius());
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isDone = Standard_True;
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}
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