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1 | // Created on: 1993-01-11 |
| 2 | // Created by: Christophe MARION |
| 3 | // Copyright (c) 1993-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #ifndef _HLRAlgo_EdgeIterator_HeaderFile |
| 18 | #define _HLRAlgo_EdgeIterator_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <Standard_Integer.hxx> |
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25 | #include <Standard_Real.hxx> |
| 26 | #include <Standard_ShortReal.hxx> |
| 27 | #include <Standard_Boolean.hxx> |
| 28 | class HLRAlgo_EdgeStatus; |
| 29 | |
| 30 | |
| 31 | |
| 32 | class HLRAlgo_EdgeIterator |
| 33 | { |
| 34 | public: |
| 35 | |
| 36 | DEFINE_STANDARD_ALLOC |
| 37 | |
| 38 | |
| 39 | //! Iterator on the visible or hidden parts of an |
| 40 | //! edge. |
| 41 | Standard_EXPORT HLRAlgo_EdgeIterator(); |
| 42 | |
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43 | Standard_EXPORT void InitHidden (HLRAlgo_EdgeStatus& status); |
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44 | |
| 45 | Standard_Boolean MoreHidden() const; |
| 46 | |
| 47 | Standard_EXPORT void NextHidden(); |
| 48 | |
| 49 | //! Returns the bounds and the tolerances |
| 50 | //! of the current Hidden Interval |
| 51 | void Hidden (Standard_Real& Start, Standard_ShortReal& TolStart, Standard_Real& End, Standard_ShortReal& TolEnd) const; |
| 52 | |
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53 | void InitVisible (HLRAlgo_EdgeStatus& status); |
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54 | |
| 55 | Standard_Boolean MoreVisible() const; |
| 56 | |
| 57 | void NextVisible(); |
| 58 | |
| 59 | //! Returns the bounds and the tolerances |
| 60 | //! of the current Visible Interval |
| 61 | void Visible (Standard_Real& Start, Standard_ShortReal& TolStart, Standard_Real& End, Standard_ShortReal& TolEnd); |
| 62 | |
| 63 | |
| 64 | |
| 65 | |
| 66 | protected: |
| 67 | |
| 68 | |
| 69 | |
| 70 | |
| 71 | |
| 72 | private: |
| 73 | |
| 74 | |
| 75 | |
| 76 | Standard_Integer myNbVis; |
| 77 | Standard_Integer myNbHid; |
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78 | HLRAlgo_EdgeStatus* EVis; |
| 79 | HLRAlgo_EdgeStatus* EHid; |
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80 | Standard_Integer iVis; |
| 81 | Standard_Integer iHid; |
| 82 | Standard_Real myHidStart; |
| 83 | Standard_Real myHidEnd; |
| 84 | Standard_ShortReal myHidTolStart; |
| 85 | Standard_ShortReal myHidTolEnd; |
| 86 | |
| 87 | |
| 88 | }; |
| 89 | |
| 90 | |
| 91 | #include <HLRAlgo_EdgeIterator.lxx> |
| 92 | |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 | #endif // _HLRAlgo_EdgeIterator_HeaderFile |
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