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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.
264 lines
7.1 KiB
C++
264 lines
7.1 KiB
C++
// Created on: 1993-03-24
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// Created by: JCV
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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 <Geom2d_Circle.ixx>
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#include <ElCLib.hxx>
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#include <gp_XY.hxx>
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#include <Standard_RangeError.hxx>
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#include <Standard_ConstructionError.hxx>
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typedef Geom2d_Circle Circle;
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typedef Handle(Geom2d_Circle) Handle(Circle);
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typedef gp_Ax2d Ax2d;
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typedef gp_Dir2d Dir2d;
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typedef gp_Pnt2d Pnt2d;
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typedef gp_Trsf2d Trsf2d;
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typedef gp_Vec2d Vec2d;
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typedef gp_XY XY;
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//=======================================================================
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//function : Copy
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//purpose :
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//=======================================================================
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Handle(Geom2d_Geometry) Geom2d_Circle::Copy() const
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{
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Handle(Circle) C;
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C = new Circle (pos, radius);
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return C;
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}
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//=======================================================================
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//function : Geom2d_Circle
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//purpose :
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//=======================================================================
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Geom2d_Circle::Geom2d_Circle (const gp_Circ2d& C) : radius (C.Radius()) {
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pos = C.Axis();
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}
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//=======================================================================
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//function : Geom2d_Circle
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//purpose :
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//=======================================================================
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Geom2d_Circle::Geom2d_Circle (const Ax2d& A, const Standard_Real Radius,
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const Standard_Boolean Sense)
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: radius(Radius) {
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if (Radius < 0.0) { Standard_ConstructionError::Raise(); }
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pos = gp_Ax22d(A, Sense);
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}
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//=======================================================================
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//function : Geom2d_Circle
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//purpose :
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//=======================================================================
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Geom2d_Circle::Geom2d_Circle (const gp_Ax22d& A, const Standard_Real Radius)
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: radius (Radius) {
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if (Radius < 0.0) { Standard_ConstructionError::Raise(); }
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pos = A;
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}
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//=======================================================================
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//function : SetCirc2d
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//purpose :
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//=======================================================================
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void Geom2d_Circle::SetCirc2d (const gp_Circ2d& C) {
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radius = C.Radius();
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pos = C.Axis();
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}
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//=======================================================================
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//function : SetRadius
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//purpose :
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//=======================================================================
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void Geom2d_Circle::SetRadius (const Standard_Real R)
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{
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if (R < 0.0) { Standard_ConstructionError::Raise(); }
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radius = R;
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}
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//=======================================================================
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//function : Radius
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//purpose :
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//=======================================================================
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Standard_Real Geom2d_Circle::Radius () const
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{
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return radius;
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}
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//=======================================================================
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//function : Circ2d
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//purpose :
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//=======================================================================
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gp_Circ2d Geom2d_Circle::Circ2d () const
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{
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return gp_Circ2d (pos, radius);
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}
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//=======================================================================
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//function : ReversedParameter
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//purpose :
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//=======================================================================
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Standard_Real Geom2d_Circle::ReversedParameter( const Standard_Real U) const
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{
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return (2. * M_PI - U);
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}
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//=======================================================================
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//function : Eccentricity
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//purpose :
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//=======================================================================
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Standard_Real Geom2d_Circle::Eccentricity () const
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{
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return 0.0;
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}
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//=======================================================================
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//function : FirstParameter
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//purpose :
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//=======================================================================
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Standard_Real Geom2d_Circle::FirstParameter () const
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{
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return 0.0;
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}
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//=======================================================================
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//function : LastParameter
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//purpose :
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//=======================================================================
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Standard_Real Geom2d_Circle::LastParameter () const
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{
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return 2.0 * M_PI;
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}
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//=======================================================================
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//function : IsClosed
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//purpose :
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//=======================================================================
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Standard_Boolean Geom2d_Circle::IsClosed () const
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{
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return Standard_True;
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}
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//=======================================================================
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//function : IsPeriodic
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//purpose :
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//=======================================================================
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Standard_Boolean Geom2d_Circle::IsPeriodic () const
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{
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return Standard_True;
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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 Geom2d_Circle::D0 (const Standard_Real U,
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Pnt2d& P) const
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{
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P= ElCLib::CircleValue (U, pos, radius);
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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 Geom2d_Circle::D1 (const Standard_Real U, Pnt2d& P, Vec2d& V1) const
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{
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ElCLib::CircleD1 (U, pos, radius, P, 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 Geom2d_Circle::D2 (const Standard_Real U,
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Pnt2d& P,
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Vec2d& V1, Vec2d& V2) const
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{
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ElCLib::CircleD2 (U, pos, radius, P, V1, V2);
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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 Geom2d_Circle::D3 (const Standard_Real U,
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Pnt2d& P,
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Vec2d& V1, Vec2d& V2, Vec2d& V3) const
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{
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ElCLib::CircleD3 (U, pos, radius, P, V1, V2, V3);
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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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Vec2d Geom2d_Circle::DN (const Standard_Real U, const Standard_Integer N) const
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{
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Standard_RangeError_Raise_if (N < 1," ");
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return ElCLib::CircleDN (U, pos, radius, N);
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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 Geom2d_Circle::Transform (const Trsf2d& T)
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{
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radius = radius * Abs(T.ScaleFactor());
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pos.Transform (T);
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}
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