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1 | // Created on: 1993-06-03 |
| 2 | // Created by: Laurent BOURESCHE |
| 3 | // Copyright (c) 1993-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
| 18 | #include <Standard_NoMoreObject.hxx> |
| 19 | #include <Standard_NoSuchObject.hxx> |
| 20 | #include <Sweep_NumShape.hxx> |
| 21 | #include <Sweep_NumShapeIterator.hxx> |
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22 | |
| 23 | //======================================================================= |
| 24 | //function : Sweep_NumShapeIterator |
| 25 | //purpose : |
| 26 | //======================================================================= |
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27 | Sweep_NumShapeIterator::Sweep_NumShapeIterator(): |
| 28 | myNumShape(0,TopAbs_SHAPE), |
| 29 | myCurrentNumShape(0,TopAbs_SHAPE) |
| 30 | { |
| 31 | } |
| 32 | |
| 33 | |
| 34 | //======================================================================= |
| 35 | //function : Init |
| 36 | //purpose : |
| 37 | //======================================================================= |
| 38 | |
| 39 | void Sweep_NumShapeIterator::Init(const Sweep_NumShape& aShape) |
| 40 | { |
| 41 | myNumShape = aShape; |
| 42 | if (myNumShape.Type()==TopAbs_EDGE){ |
| 43 | Standard_Integer nbvert = myNumShape.Index(); |
| 44 | myMore = (nbvert >= 1); |
| 45 | if (myMore){ |
| 46 | myCurrentRange = 1; |
| 47 | myCurrentNumShape = Sweep_NumShape(1,TopAbs_VERTEX, |
| 48 | myNumShape.Closed(), |
| 49 | Standard_False, |
| 50 | Standard_False); |
| 51 | if (nbvert==1){ |
| 52 | if (myNumShape.BegInfinite()){ |
| 53 | myCurrentOrientation = TopAbs_REVERSED; |
| 54 | } |
| 55 | else { |
| 56 | myCurrentOrientation = TopAbs_FORWARD; |
| 57 | } |
| 58 | } |
| 59 | else { |
| 60 | myCurrentOrientation = TopAbs_FORWARD; |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | |
| 67 | //======================================================================= |
| 68 | //function : Next |
| 69 | //purpose : |
| 70 | //======================================================================= |
| 71 | |
| 72 | void Sweep_NumShapeIterator::Next() |
| 73 | { |
| 74 | myCurrentRange++; |
| 75 | myMore = myCurrentRange <= myNumShape.Index(); |
| 76 | if (myMore){ |
| 77 | if (myNumShape.Type()==TopAbs_EDGE){ |
| 78 | myCurrentNumShape = Sweep_NumShape(myCurrentRange,TopAbs_VERTEX, |
| 79 | myNumShape.Closed(), |
| 80 | Standard_False, |
| 81 | Standard_False); |
| 82 | myCurrentOrientation = TopAbs_REVERSED; |
| 83 | } |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | |
| 88 | |
| 89 | |
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