include/opencascade/HLRAlgo_EdgeIterator.hxx

0001 // Created on: 1993-01-11
0002 // Created by: Christophe MARION
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 _HLRAlgo_EdgeIterator_HeaderFile
0018 #define _HLRAlgo_EdgeIterator_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 class HLRAlgo_EdgeStatus;
0025
0026 class HLRAlgo_EdgeIterator
0027 {
0028 public:
0029   DEFINE_STANDARD_ALLOC
0030
0031   //! Iterator on the visible or hidden parts of an edge.
0032   Standard_EXPORT HLRAlgo_EdgeIterator();
0033
0034   Standard_EXPORT void InitHidden(HLRAlgo_EdgeStatus& status);
0035
0036   bool MoreHidden() const;
0037
0038   Standard_EXPORT void NextHidden();
0039
0040   //! Returns the bounds and the tolerances
0041   //! of the current Hidden Interval
0042   void Hidden(double& Start, float& TolStart, double& End, float& TolEnd) const;
0043
0044   void InitVisible(HLRAlgo_EdgeStatus& status);
0045
0046   bool MoreVisible() const;
0047
0048   void NextVisible();
0049
0050   //! Returns the bounds and the tolerances
0051   //! of the current Visible Interval
0052   void Visible(double& Start, float& TolStart, double& End, float& TolEnd);
0053
0054 private:
0055   int                 myNbVis;
0056   int                 myNbHid;
0057   HLRAlgo_EdgeStatus* EVis;
0058   HLRAlgo_EdgeStatus* EHid;
0059   int                 iVis;
0060   int                 iHid;
0061   double              myHidStart;
0062   double              myHidEnd;
0063   float               myHidTolStart;
0064   float               myHidTolEnd;
0065 };
0066
0067 #include <HLRAlgo_EdgeIterator.lxx>
0068
0069 #endif // _HLRAlgo_EdgeIterator_HeaderFile