1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #ifndef GeomAPI_Curve_H_
22 #define GeomAPI_Curve_H_
24 #include <GeomAPI_Shape.h>
29 /**\class GeomAPI_Curve
31 * \brief Interface to the generic curve object
34 class GeomAPI_Curve : public GeomAPI_Interface
37 /// Creation of empty (null) shape
41 /// Creates a curve from the shape (edge)
43 GeomAPI_Curve(const std::shared_ptr<GeomAPI_Shape>& theShape);
45 /// Returns true if curve is not initialized
49 /// Returns whether the curve is linear
51 virtual bool isLine() const;
53 /// Returns whether the curve is circular
55 virtual bool isCircle() const;
57 /// Returns start parameter of the curve
59 double startParam() const { return myStart; }
61 /// Returns end parameter of the curve
63 double endParam() const { return myEnd; }
65 /// Returns point on the curve by parameter
66 /// \param theParam parameter on the curve
68 std::shared_ptr<GeomAPI_Pnt> getPoint(double theParam);