include/opencascade/ShapeUpgrade_ConvertCurve2dToBezier.hxx

0001 // Created on: 1999-05-13
0002 // Created by: data exchange team
0003 // Copyright (c) 1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _ShapeUpgrade_ConvertCurve2dToBezier_HeaderFile
0018 #define _ShapeUpgrade_ConvertCurve2dToBezier_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <Geom2d_Curve.hxx>
0024 #include <NCollection_Sequence.hxx>
0025 #include <NCollection_HSequence.hxx>
0026 #include <ShapeUpgrade_SplitCurve2d.hxx>
0027
0028 //! converts/splits a 2d curve to a list of beziers
0029 class ShapeUpgrade_ConvertCurve2dToBezier : public ShapeUpgrade_SplitCurve2d
0030 {
0031
0032 public:
0033   //! Empty constructor.
0034   Standard_EXPORT ShapeUpgrade_ConvertCurve2dToBezier();
0035
0036   //! Converts curve into a list of beziers, and stores the
0037   //! splitting parameters on original curve.
0038   Standard_EXPORT void Compute() override;
0039
0040   //! Splits a list of beziers computed by Compute method according
0041   //! the split values and splitting parameters.
0042   Standard_EXPORT void Build(const bool Segment) override;
0043
0044   //! Returns the list of split parameters in original curve parametrisation.
0045   Standard_EXPORT occ::handle<NCollection_HSequence<double>> SplitParams() const;
0046
0047   DEFINE_STANDARD_RTTIEXT(ShapeUpgrade_ConvertCurve2dToBezier, ShapeUpgrade_SplitCurve2d)
0048
0049 private:
0050   //! Returns the list of bezier curves correspondent to original
0051   //! curve.
0052   Standard_EXPORT occ::handle<NCollection_HSequence<occ::handle<Geom2d_Curve>>> Segments() const;
0053
0054   occ::handle<NCollection_HSequence<occ::handle<Geom2d_Curve>>> mySegments;
0055   occ::handle<NCollection_HSequence<double>>                    mySplitParams;
0056 };
0057
0058 #endif // _ShapeUpgrade_ConvertCurve2dToBezier_HeaderFile