include/opencascade/ShapeUpgrade_ConvertCurve3dToBezier.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_ConvertCurve3dToBezier_HeaderFile
0018 #define _ShapeUpgrade_ConvertCurve3dToBezier_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <TColGeom_HSequenceOfCurve.hxx>
0024 #include <ShapeUpgrade_SplitCurve3d.hxx>
0025
0026
0027 class ShapeUpgrade_ConvertCurve3dToBezier;
0028 DEFINE_STANDARD_HANDLE(ShapeUpgrade_ConvertCurve3dToBezier, ShapeUpgrade_SplitCurve3d)
0029
0030 //! converts/splits a 3d curve of any type to a list of beziers
0031 class ShapeUpgrade_ConvertCurve3dToBezier : public ShapeUpgrade_SplitCurve3d
0032 {
0033
0034 public:
0035
0036   //! Empty constructor
0037   Standard_EXPORT ShapeUpgrade_ConvertCurve3dToBezier();
0038
0039   //! Sets mode for conversion Geom_Line to bezier.
0040     void SetLineMode (const Standard_Boolean mode);
0041
0042   //! Returns the Geom_Line conversion mode.
0043     Standard_Boolean GetLineMode() const;
0044
0045   //! Sets mode for conversion Geom_Circle to bezier.
0046     void SetCircleMode (const Standard_Boolean mode);
0047
0048   //! Returns the Geom_Circle conversion mode.
0049     Standard_Boolean GetCircleMode() const;
0050
0051   //! Returns the Geom_Conic conversion mode.
0052     void SetConicMode (const Standard_Boolean mode);
0053
0054   //! Performs converting and computes the resulting shape.
0055     Standard_Boolean GetConicMode() const;
0056
0057   //! Converts curve into a list of beziers, and stores the
0058   //! splitting parameters on original curve.
0059   Standard_EXPORT virtual void Compute() Standard_OVERRIDE;
0060
0061   //! Splits a list of beziers computed by Compute method according
0062   //! the split values and splitting parameters.
0063   Standard_EXPORT virtual void Build (const Standard_Boolean Segment) Standard_OVERRIDE;
0064
0065   //! Returns the list of split parameters in original curve parametrisation.
0066   Standard_EXPORT Handle(TColStd_HSequenceOfReal) SplitParams() const;
0067
0068   DEFINE_STANDARD_RTTIEXT(ShapeUpgrade_ConvertCurve3dToBezier,ShapeUpgrade_SplitCurve3d)
0069
0070 private:
0071
0072   //! Returns the list of bezier curves correspondent to original
0073   //! curve.
0074   Standard_EXPORT Handle(TColGeom_HSequenceOfCurve) Segments() const;
0075
0076   Handle(TColGeom_HSequenceOfCurve) mySegments;
0077   Handle(TColStd_HSequenceOfReal) mySplitParams;
0078   Standard_Boolean myLineMode;
0079   Standard_Boolean myCircleMode;
0080   Standard_Boolean myConicMode;
0081
0082 };
0083
0084 #include <ShapeUpgrade_ConvertCurve3dToBezier.lxx>
0085
0086 #endif // _ShapeUpgrade_ConvertCurve3dToBezier_HeaderFile