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 email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
20 #ifndef GeomAPI_Lin2d_H_
21 #define GeomAPI_Lin2d_H_
23 #include <GeomAPI_Interface.h>
29 /**\class GeomAPI_Lin2d
34 class GeomAPI_Lin2d : public GeomAPI_Interface
37 /// Creation of line defined by cordinates of start and end points
39 GeomAPI_Lin2d(const double theStartX, const double theStartY, const double theEndX,
40 const double theEndY);
41 /// Creation of line defined by start and end points
43 GeomAPI_Lin2d(const std::shared_ptr<GeomAPI_Pnt2d>& theStart,
44 const std::shared_ptr<GeomAPI_Pnt2d>& theEnd);
45 /// Creation of line defined by origin and direction
47 GeomAPI_Lin2d(const std::shared_ptr<GeomAPI_Pnt2d>& theOrigin,
48 const std::shared_ptr<GeomAPI_Dir2d>& theDirection);
50 /// Returns point on the line (first point)
52 std::shared_ptr<GeomAPI_Pnt2d> location();
54 /// Returns a line direction
56 std::shared_ptr<GeomAPI_Dir2d> direction();
58 /// Distance between two points
60 double distance(const std::shared_ptr<GeomAPI_Pnt2d>& theOther) const;
61 /// Intersection of two lines
63 const std::shared_ptr<GeomAPI_Pnt2d> intersect(
64 const std::shared_ptr<GeomAPI_Lin2d>& theLine) const;
65 /// Project point on line
67 const std::shared_ptr<GeomAPI_Pnt2d> project(
68 const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const;
69 /// Computes the cross product of the line direction and a vector
70 /// from the line start point to the point
72 bool isRight(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const;
74 /// Returns a location point shifted on theShift in perpendicular direction
76 std::shared_ptr<GeomAPI_Pnt2d> shiftedLocation(double theShift) const;