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occt/src/IntPatch/IntPatch_HCurve2dTool.cxx
bugmaster b311480ed5 0023024: Update headers of OCCT files
Added appropriate copyright and license information in source files
2012-03-21 19:43:04 +04:00

63 lines
2.1 KiB
C++
Executable File

// Created on: 1995-07-17
// Created by: Modelistation
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
#include <IntPatch_HCurve2dTool.ixx>
#include <GeomAbs_CurveType.hxx>
#include <GeomAbs_Shape.hxx>
#include <Handle_Geom2d_BezierCurve.hxx>
#include <Handle_Geom2d_BSplineCurve.hxx>
#include <TColStd_Array1OfReal.hxx>
//============================================================
Standard_Integer IntPatch_HCurve2dTool::NbSamples (const Handle(Adaptor2d_HCurve2d)& C,
const Standard_Real U0,
const Standard_Real U1)
{
Standard_Real nbs;
switch (C->GetType())
{
case GeomAbs_Line: return 2;
case GeomAbs_BezierCurve:
{
nbs = (3 + C->NbPoles());
}
break;
case GeomAbs_BSplineCurve:
{
nbs = C->NbKnots();
nbs *= C->Degree();
//szv:nbs *= C->LastParameter() - C->FirstParameter();
//szv:nbs /= U1-U0;
nbs *= U1-U0;
nbs /= C->LastParameter() - C->FirstParameter();
if (nbs < 2.0) nbs = 2.0;
}
break;
default: return 25;
}
if (nbs>50.0)
return 50;
return((Standard_Integer)nbs);
}