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 <TColGeom2d_HSequenceOfCurve.hxx>
0024 #include <ShapeUpgrade_SplitCurve2d.hxx>
0025
0026
0027 class ShapeUpgrade_ConvertCurve2dToBezier;
0028 DEFINE_STANDARD_HANDLE(ShapeUpgrade_ConvertCurve2dToBezier, ShapeUpgrade_SplitCurve2d)
0029
0030 //! converts/splits a 2d curve to a list of beziers
0031 class ShapeUpgrade_ConvertCurve2dToBezier : public ShapeUpgrade_SplitCurve2d
0032 {
0033
0034 public:
0035
0036   //! Empty constructor.
0037   Standard_EXPORT ShapeUpgrade_ConvertCurve2dToBezier();
0038
0039   //! Converts curve into a list of beziers, and stores the
0040   //! splitting parameters on original curve.
0041   Standard_EXPORT virtual void Compute() Standard_OVERRIDE;
0042
0043   //! Splits a list of beziers computed by Compute method according
0044   //! the split values and splitting parameters.
0045   Standard_EXPORT virtual void Build (const Standard_Boolean Segment) Standard_OVERRIDE;
0046
0047   //! Returns the list of split parameters in original curve parametrisation.
0048   Standard_EXPORT Handle(TColStd_HSequenceOfReal) SplitParams() const;
0049
0050   DEFINE_STANDARD_RTTIEXT(ShapeUpgrade_ConvertCurve2dToBezier,ShapeUpgrade_SplitCurve2d)
0051
0052 private:
0053
0054   //! Returns the list of bezier curves correspondent to original
0055   //! curve.
0056   Standard_EXPORT Handle(TColGeom2d_HSequenceOfCurve) Segments() const;
0057
0058   Handle(TColGeom2d_HSequenceOfCurve) mySegments;
0059   Handle(TColStd_HSequenceOfReal) mySplitParams;
0060
0061 };
0062
0063 #endif // _ShapeUpgrade_ConvertCurve2dToBezier_HeaderFile