1 // Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #ifndef HYDROData_BSplineOperation_HeaderFile
24 #define HYDROData_BSplineOperation_HeaderFile
26 #include <HYDROData.h>
28 #include <Geom_BSplineCurve.hxx>
30 #include <NCollection_Sequence.hxx>
35 /**\class HYDROData_BSplineOperation
37 * \brief Allows to work with splines: create, convert to Qt ToolPath.
39 * Uses GEOM module for creation of BSplines, OCCT algorithms for
40 * manipulation and conversion.
43 class HYDRODATA_EXPORT HYDROData_BSplineOperation
47 //! Creates a spline by list of coordinates: pairs X and Y
48 //! \param thePoints coordinates of curve
49 //! \param theIsClosed flag indicating that the result spline should be closed
50 //! \param theTolerance flag indicating the tolerance to skip equal points
51 HYDROData_BSplineOperation( const NCollection_Sequence<gp_XYZ>& thePoints,
52 const bool theIsClosed,
53 const double theTolerance );
55 //! Returns the BSpline curve passing through the points
56 //! \returns Null if Computation of BSpline was failed
57 Handle(Geom_BSplineCurve) Curve() const { return myCurve; }
59 //! Performs conversion from BSpline curve to QPainterPath made from Bezier curves
60 //! \returns computed PainterPath, not stored in this class, so calling of this method is not fast
61 void ComputePath( QPainterPath& thePath ) const;
64 Handle(Geom_BSplineCurve) myCurve; ///< resulting BSpline, null if something is wrong