OCCT

// Created on: 1991-07-16
// Created by: Christophe MARION
// Copyright (c) 1991-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _DrawTrSurf_Drawable_HeaderFile
#define _DrawTrSurf_Drawable_HeaderFile

#include <Draw_Drawable3D.hxx>
#include <GeomAbs_IsoType.hxx>

class Adaptor2d_Curve2d;
class Adaptor3d_Curve;
class Adaptor3d_IsoCurve;

//! this class adds to the Drawable3D methods to
//! display Curves and Curves on Surface.
//!
//! The discretisation, number of points on a Curve,
//! is stored in this class.
class DrawTrSurf_Drawable : public Draw_Drawable3D
{
  DEFINE_STANDARD_RTTIEXT(DrawTrSurf_Drawable, Draw_Drawable3D)
public:
  //! Draw a polygon of the curve on the Display
  Standard_EXPORT void DrawCurve2dOn(Adaptor2d_Curve2d& C, Draw_Display& D) const;

  //! Draw a polygon of the curve on the Display
  Standard_EXPORT void DrawCurveOn(Adaptor3d_Curve& C, Draw_Display& D) const;

  //! Load C with the specified iso and Draw a polygon
  //! of the curve on the Display
  Standard_EXPORT void DrawIsoCurveOn(Adaptor3d_IsoCurve&   C,
                                      const GeomAbs_IsoType T,
                                      const double          P,
                                      const double          F,
                                      const double          L,
                                      Draw_Display&         D) const;

  //! this is defined only to tell C++ not to complain
  //! about inheriting a pure virtual method.
  Standard_EXPORT void DrawOn(Draw_Display& dis) const override = 0;

  void SetDiscretisation(const int theDiscret) { myDiscret = theDiscret; }

  int GetDiscretisation() const { return myDiscret; }

  void SetDeflection(const double theDeflection) { myDeflection = theDeflection; }

  double GetDeflection() const { return myDeflection; }

  void SetDrawMode(const int theDrawMode) { myDrawMode = theDrawMode; }

  int GetDrawMode() const { return myDrawMode; }

protected:
  //! set the number of points on a curve at creation.
  Standard_EXPORT DrawTrSurf_Drawable(const int    discret,
                                      const double deflection = 0.01,
                                      const int    DrawMode   = 0);

private:
  int    myDrawMode;
  int    myDiscret;
  double myDeflection;
};

#endif // _DrawTrSurf_Drawable_HeaderFile