1 // Created on: 1992-10-02
2 // Created by: Remi GILET
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 //
6 // This file is part of Open CASCADE Technology software library.
7 //
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.
13 //
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
16
17
18 #include <ElCLib.hxx>
19 #include <GC_MakeArcOfParabola.hxx>
20 #include <Geom_Parabola.hxx>
21 #include <Geom_TrimmedCurve.hxx>
22 #include <gp_Parab.hxx>
23 #include <gp_Pnt.hxx>
24 #include <StdFail_NotDone.hxx>
25
GC_MakeArcOfParabola(const gp_Parab & Parab,const gp_Pnt & P1,const gp_Pnt & P2,const Standard_Boolean Sense)26 GC_MakeArcOfParabola::GC_MakeArcOfParabola(const gp_Parab& Parab ,
27 const gp_Pnt& P1 ,
28 const gp_Pnt& P2 ,
29 const Standard_Boolean Sense )
30 {
31 Standard_Real Alpha1 = ElCLib::Parameter(Parab,P1);
32 Standard_Real Alpha2 = ElCLib::Parameter(Parab,P2);
33 Handle(Geom_Parabola) P = new Geom_Parabola(Parab);
34 TheArc = new Geom_TrimmedCurve(P,Alpha1,Alpha2,Sense);
35 TheError = gce_Done;
36 }
37
GC_MakeArcOfParabola(const gp_Parab & Parab,const gp_Pnt & P,const Standard_Real Alpha,const Standard_Boolean Sense)38 GC_MakeArcOfParabola::GC_MakeArcOfParabola(const gp_Parab& Parab ,
39 const gp_Pnt& P ,
40 const Standard_Real Alpha ,
41 const Standard_Boolean Sense )
42 {
43 Standard_Real Alphafirst = ElCLib::Parameter(Parab,P);
44 Handle(Geom_Parabola) Parabola = new Geom_Parabola(Parab);
45 TheArc = new Geom_TrimmedCurve(Parabola,Alphafirst,Alpha,Sense);
46 TheError = gce_Done;
47 }
48
GC_MakeArcOfParabola(const gp_Parab & Parab,const Standard_Real Alpha1,const Standard_Real Alpha2,const Standard_Boolean Sense)49 GC_MakeArcOfParabola::GC_MakeArcOfParabola(const gp_Parab& Parab ,
50 const Standard_Real Alpha1 ,
51 const Standard_Real Alpha2 ,
52 const Standard_Boolean Sense )
53 {
54 Handle(Geom_Parabola) P = new Geom_Parabola(Parab);
55 TheArc = new Geom_TrimmedCurve(P,Alpha1,Alpha2,Sense);
56 TheError = gce_Done;
57 }
58
Handle(Geom_TrimmedCurve)59 const Handle(Geom_TrimmedCurve)& GC_MakeArcOfParabola::Value() const
60 {
61 StdFail_NotDone_Raise_if (TheError != gce_Done,
62 "GC_MakeArcOfParabola::Value() - no result");
63 return TheArc;
64 }
65