1 // Created on: 1993-03-24
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <Geom2d_Direction.hxx>
19 #include <Geom2d_Geometry.hxx>
20 #include <Geom2d_Vector.hxx>
22 #include <gp_Dir2d.hxx>
23 #include <gp_Trsf2d.hxx>
24 #include <Standard_ConstructionError.hxx>
25 #include <Standard_Type.hxx>
27 IMPLEMENT_STANDARD_RTTIEXT(Geom2d_Direction,Geom2d_Vector)
29 typedef Geom2d_Direction Direction;
31 typedef gp_Pnt2d Pnt2d;
32 typedef gp_Trsf2d Trsf2d;
38 Handle(Geom2d_Geometry) Geom2d_Direction::Copy() const {
40 Handle(Geom2d_Direction) D;
41 D = new Direction (gpVec2d);
50 Geom2d_Direction::Geom2d_Direction (const Standard_Real X, const Standard_Real Y) {
52 Standard_Real D = Sqrt (X * X + Y * Y);
53 Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
54 gpVec2d = gp_Vec2d (X/D, Y/D);
58 Geom2d_Direction::Geom2d_Direction (const gp_Dir2d& V) { gpVec2d = V; }
61 void Geom2d_Direction::SetCoord (const Standard_Real X, const Standard_Real Y) {
63 Standard_Real D = Sqrt (X * X + Y * Y);
64 Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
65 gpVec2d = gp_Vec2d (X/D, Y/D);
69 void Geom2d_Direction::SetDir2d (const gp_Dir2d& V) { gpVec2d = V; }
72 void Geom2d_Direction::SetX (const Standard_Real X) {
74 Standard_Real D = Sqrt(X * X + gpVec2d.Y() * gpVec2d.Y());
75 Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
76 gpVec2d = gp_Vec2d (X/D, gpVec2d.Y()/D);
80 void Geom2d_Direction::SetY (const Standard_Real Y) {
82 Standard_Real D = Sqrt (gpVec2d.X() * gpVec2d.X() + Y * Y);
83 Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
84 gpVec2d = gp_Vec2d (gpVec2d.X()/D, Y/D);
88 gp_Dir2d Geom2d_Direction::Dir2d () const { return gpVec2d; }
91 Standard_Real Geom2d_Direction::Magnitude () const { return 1.0; }
94 Standard_Real Geom2d_Direction::SquareMagnitude () const { return 1.0; }
97 Standard_Real Geom2d_Direction::Crossed (const Handle(Geom2d_Vector)& Other) const {
99 return gpVec2d.Crossed (Other->Vec2d());
103 void Geom2d_Direction::Transform (const gp_Trsf2d& T) {
105 gp_Dir2d dir = gpVec2d;