include/opencascade/IntPatch_Polygo.hxx

0001 // Created on: 1993-05-06
0002 // Created by: Jacques GOUSSARD
0003 // Copyright (c) 1993-1999 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 _IntPatch_Polygo_HeaderFile
0018 #define _IntPatch_Polygo_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Intf_Polygon2d.hxx>
0025 class gp_Pnt2d;
0026
0027 class IntPatch_Polygo : public Intf_Polygon2d
0028 {
0029 public:
0030   DEFINE_STANDARD_ALLOC
0031
0032   Standard_Real Error() const;
0033
0034   Standard_EXPORT virtual Standard_Integer NbPoints() const = 0;
0035
0036   Standard_EXPORT virtual gp_Pnt2d Point(const Standard_Integer Index) const = 0;
0037
0038   //! Returns the tolerance of the polygon.
0039   virtual Standard_Real DeflectionOverEstimation() const Standard_OVERRIDE;
0040
0041   //! Returns the number of Segments in the polyline.
0042   virtual Standard_Integer NbSegments() const Standard_OVERRIDE;
0043
0044   //! Returns the points of the segment <Index> in the Polygon.
0045   virtual void Segment(const Standard_Integer theIndex,
0046                        gp_Pnt2d&              theBegin,
0047                        gp_Pnt2d&              theEnd) const Standard_OVERRIDE;
0048
0049   Standard_EXPORT void Dump() const;
0050
0051 protected:
0052   Standard_EXPORT IntPatch_Polygo(const Standard_Real theError = 0.0);
0053
0054   Standard_Real myError;
0055
0056 private:
0057 };
0058
0059 #include <IntPatch_Polygo.lxx>
0060
0061 #endif // _IntPatch_Polygo_HeaderFile