0023625: New functionality building reflect lines on a shape
[occt.git] / src / Contap / Contap_HCurve2dToolGen.gxx
CommitLineData
b311480e 1// Created on: 1995-07-17
2// Created by: Modelistation
3// Copyright (c) 1995-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
5//
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
10//
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13//
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
20
7fd59977 21
22#include CurveGen_hxx
23#include <GeomAbs_CurveType.hxx>
24#include <GeomAbs_Shape.hxx>
25#include <Handle_Geom2d_BezierCurve.hxx>
26#include <Handle_Geom2d_BSplineCurve.hxx>
27
28#include <TColStd_Array1OfReal.hxx>
29
7fd59977 30//============================================================
31Standard_Integer Contap_HCurve2dToolGen::NbSamples (const CurveGen& C,
733a0e55
S
32 const Standard_Real U0,
33 const Standard_Real U1)
34{
35 Standard_Real nbs = 10.0;
36 switch (C->GetType())
37 {
38 case GeomAbs_Line:
39 nbs = 2.;
40 break;
41 case GeomAbs_BezierCurve:
42 nbs = 3. + C->NbPoles();
43 break;
44 case GeomAbs_BSplineCurve:
45 nbs = C->NbKnots();
46 nbs*= C->Degree();
47 nbs*= C->LastParameter()- C->FirstParameter();
48 nbs/= U1-U0;
49 if(nbs < 2.0) nbs = 2.;
50 break;
7fd59977 51 }
733a0e55
S
52 if (nbs>50.)
53 nbs = 50.;
7fd59977 54 return((Standard_Integer)nbs);
55}