include/opencascade/IntTools_FClass2d.hxx

0001 // Created on: 1995-03-22
0002 // Created by: Laurent BUCHARD
0003 // Copyright (c) 1995-1999 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 _IntTools_FClass2d_HeaderFile
0018 #define _IntTools_FClass2d_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <BRepClass_FaceExplorer.hxx>
0025 #include <BRepTopAdaptor_SeqOfPtr.hxx>
0026 #include <TColStd_SequenceOfInteger.hxx>
0027 #include <TopoDS_Face.hxx>
0028 #include <TopAbs_State.hxx>
0029 #include <memory>
0030
0031 class gp_Pnt2d;
0032
0033 //! Class provides an algorithm to classify a 2d Point
0034 //! in 2d space of face using boundaries of the face.
0035 class IntTools_FClass2d
0036 {
0037 public:
0038   DEFINE_STANDARD_ALLOC
0039
0040   //! Empty constructor
0041   Standard_EXPORT IntTools_FClass2d();
0042
0043   //! Initializes algorithm by the face F
0044   //! and tolerance Tol
0045   Standard_EXPORT IntTools_FClass2d(const TopoDS_Face& F, const Standard_Real Tol);
0046
0047   //! Initializes algorithm by the face F
0048   //! and tolerance Tol
0049   Standard_EXPORT void Init(const TopoDS_Face& F, const Standard_Real Tol);
0050
0051   //! Returns state of infinite 2d point relatively to (0, 0)
0052   Standard_EXPORT TopAbs_State PerformInfinitePoint() const;
0053
0054   //! Returns state of the 2d point Puv.
0055   //! If RecadreOnPeriodic is true (default value),
0056   //! for the periodic surface 2d point, adjusted to period, is
0057   //! classified.
0058   Standard_EXPORT TopAbs_State
0059     Perform(const gp_Pnt2d& Puv, const Standard_Boolean RecadreOnPeriodic = Standard_True) const;
0060
0061   //! Destructor
0062   Standard_EXPORT ~IntTools_FClass2d();
0063
0064   //! Test a point with +- an offset (Tol) and returns
0065   //! On if some points are OUT an some are IN
0066   //! (Caution: Internal use . see the code for more details)
0067   Standard_EXPORT TopAbs_State
0068     TestOnRestriction(const gp_Pnt2d&        Puv,
0069                       const Standard_Real    Tol,
0070                       const Standard_Boolean RecadreOnPeriodic = Standard_True) const;
0071
0072   Standard_EXPORT Standard_Boolean IsHole() const;
0073
0074 private:
0075   BRepTopAdaptor_SeqOfPtr   TabClass;
0076   TColStd_SequenceOfInteger TabOrien;
0077   Standard_Real             Toluv;
0078   TopoDS_Face               Face;
0079   Standard_Real             U1;
0080   Standard_Real             V1;
0081   Standard_Real             U2;
0082   Standard_Real             V2;
0083   Standard_Real             Umin;
0084   Standard_Real             Umax;
0085   Standard_Real             Vmin;
0086   Standard_Real             Vmax;
0087   Standard_Boolean          myIsHole;
0088
0089   mutable std::unique_ptr<BRepClass_FaceExplorer> myFExplorer;
0090 };
0091
0092 #endif // _IntTools_FClass2d_HeaderFile