include/opencascade/DrawTrSurf_BezierCurve.hxx

0001 // Created on: 1992-05-22
0002 // Created by: Jean Claude VAUTHIER
0003 // Copyright (c) 1992-1999 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 _DrawTrSurf_BezierCurve_HeaderFile
0018 #define _DrawTrSurf_BezierCurve_HeaderFile
0019
0020 #include <Draw_Color.hxx>
0021 #include <DrawTrSurf_Curve.hxx>
0022
0023 class Geom_BezierCurve;
0024
0025 class DrawTrSurf_BezierCurve : public DrawTrSurf_Curve
0026 {
0027   DEFINE_STANDARD_RTTIEXT(DrawTrSurf_BezierCurve, DrawTrSurf_Curve)
0028   Draw_Drawable3D_FACTORY
0029 public:
0030   //! creates a drawable Bezier curve from a Bezier curve of package Geom.
0031   Standard_EXPORT DrawTrSurf_BezierCurve(const occ::handle<Geom_BezierCurve>& C);
0032
0033   Standard_EXPORT DrawTrSurf_BezierCurve(const occ::handle<Geom_BezierCurve>& C,
0034                                          const Draw_Color&                    CurvColor,
0035                                          const Draw_Color&                    PolesColor,
0036                                          const bool                           ShowPoles,
0037                                          const int                            Discret,
0038                                          const double                         Deflection,
0039                                          const int                            DrawMode);
0040
0041   Standard_EXPORT void DrawOn(Draw_Display& dis) const override;
0042
0043   void ShowPoles() { drawPoles = true; }
0044
0045   void ClearPoles() { drawPoles = false; }
0046
0047   //! Returns in <Index> the index of the first pole of the
0048   //! curve projected by the Display <D> at a distance lower
0049   //! than <Prec> from <X,Y>. If no pole is found index is
0050   //! set to 0, else index is always greater than the input
0051   //! value of index.
0052   Standard_EXPORT void FindPole(const double        X,
0053                                 const double        Y,
0054                                 const Draw_Display& D,
0055                                 const double        Prec,
0056                                 int&                Index) const;
0057
0058   void SetPolesColor(const Draw_Color& theColor) { polesLook = theColor; }
0059
0060   Draw_Color PolesColor() const { return polesLook; }
0061
0062   //! For variable copy.
0063   Standard_EXPORT occ::handle<Draw_Drawable3D> Copy() const override;
0064
0065 private:
0066   bool       drawPoles;
0067   Draw_Color polesLook;
0068 };
0069
0070 #endif // _DrawTrSurf_BezierCurve_HeaderFile