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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
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
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// under the terms of the GNU Lesser General Public 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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