--- /dev/null
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File : Sketcher_Utils.h
+// Author : Sergey KHROMOV
+
+
+#ifndef _Sketcher_Utils_HXX_
+#define _Sketcher_Utils_HXX_
+
+
+#include "Sketcher.hxx"
+
+#include <gp_Pnt.hxx>
+#include <TopoDS_Shape.hxx>
+
+#include <list>
+
+
+class gp_Ax3;
+
+
+/**
+ * This class represents a set of utils needed to compute sketcher geometry.
+ */
+class SKETCHER_SALOME_EXPORT Sketcher_Utils
+{
+
+public:
+
+ /**
+ * This method makes a shape from the list of 2D coordinates on the working
+ * plane. The result represents a vertex if there is only one point
+ * in the contour. If there are more then one points the result is a wire
+ * consisting of linear segments between points. It is either closed or not
+ * depending on the flag IsClosed. In case of failure the result is a null
+ * shape.
+ *
+ * \param theCoords2D is the list of coordinates in the form x1, y1, x2, y2,
+ * ..., xN, yN for N 2D points.
+ * \param IsClosed if Standard_True the first and last points are connected
+ * to form the closed contour.
+ * \param thePlane the working plane coordinate system.
+ * \return the result polyline.
+ */
+ static TopoDS_Shape MakePolyline(const std::list <double> &theCoords2D,
+ const Standard_Boolean IsClosed,
+ const gp_Ax3 &thePlane);
+
+ /**
+ * This method makes a shape from the list of 2D coordinates on the working
+ * plane. The result represents a vertex if there is only one point
+ * in the contour. If there are more then one points the result is a wire
+ * consisting of a points interpolation BSpline curve. It is either closed
+ * or not depending on the flag IsClosed. In case of failure the result is
+ * a null shape.
+ *
+ * \param theCoords2D is the list of coordinates in the form x1, y1, x2, y2,
+ * ..., xN, yN for N 2D points.
+ * \param IsClosed if Standard_True the first and last points are connected
+ * to form the closed contour.
+ * \param thePlane the working plane coordinate system.
+ * \return the result interpolation wire.
+ */
+ static TopoDS_Shape MakeInterpolation(const std::list <double> &theCoords2D,
+ const Standard_Boolean IsClosed,
+ const gp_Ax3 &thePlane);
+
+ /**
+ * This method converts the list of 2D point coordinates into 3D points
+ * basing on the working plane. The result list contains not confused points.
+ *
+ * \param theCoords2D is the list of coordinates in the form x1, y1, x2, y2,
+ * ..., xN, yN for N 2D points.
+ * \param thePlane the working plane coordinate system.
+ * \param thePoints the list of 3D points.
+ */
+ static void To3D(const std::list <double> &theCoords2D,
+ const gp_Ax3 &thePlane,
+ std::list <gp_Pnt> &thePoints);
+
+};
+
+#endif
