| 7fd59977 |
1 | // File: TopOpeBRepDS_PointExplorer.cxx |
| 2 | // Created: Fri Dec 8 19:38:41 1995 |
| 3 | // Author: Jean Yves LEBEY |
| 4 | // <jyl@meteox> |
| 5 | |
| 6 | #include <TopOpeBRepDS_PointExplorer.ixx> |
| 7 | #define MYDS (*((TopOpeBRepDS_DataStructure*)myDS)) |
| 8 | |
| 9 | //======================================================================= |
| 10 | //function : TopOpeBRepDS_PointExplorer |
| 11 | //purpose : |
| 12 | //======================================================================= |
| 13 | |
| 14 | TopOpeBRepDS_PointExplorer::TopOpeBRepDS_PointExplorer() |
| 15 | : myIndex(1), |
| 16 | myMax(0), |
| 17 | myDS(NULL), |
| 18 | myFound(Standard_False), |
| 19 | myFindKeep(Standard_False) |
| 20 | { |
| 21 | } |
| 22 | |
| 23 | //======================================================================= |
| 24 | //function : TopOpeBRepDS_PointExplorer |
| 25 | //purpose : |
| 26 | //======================================================================= |
| 27 | |
| 28 | TopOpeBRepDS_PointExplorer::TopOpeBRepDS_PointExplorer |
| 29 | (const TopOpeBRepDS_DataStructure& DS, |
| 30 | const Standard_Boolean FindKeep) |
| 31 | { |
| 32 | Init(DS,FindKeep); |
| 33 | } |
| 34 | |
| 35 | //======================================================================= |
| 36 | //function : Init |
| 37 | //purpose : |
| 38 | //======================================================================= |
| 39 | |
| 40 | void TopOpeBRepDS_PointExplorer::Init |
| 41 | (const TopOpeBRepDS_DataStructure& DS, |
| 42 | const Standard_Boolean FindKeep) |
| 43 | { |
| 44 | myIndex = 1; |
| 45 | myMax = DS.NbPoints(); |
| 46 | myDS = (TopOpeBRepDS_DataStructure*)&DS; |
| 47 | myFindKeep = FindKeep; |
| 48 | Find(); |
| 49 | } |
| 50 | |
| 51 | |
| 52 | //======================================================================= |
| 53 | //function : Find |
| 54 | //purpose : |
| 55 | //======================================================================= |
| 56 | |
| 57 | void TopOpeBRepDS_PointExplorer::Find() |
| 58 | { |
| 59 | myFound = Standard_False; |
| 60 | while (myIndex <= myMax) { |
| 61 | if (myFindKeep) { |
| 62 | myFound = IsPointKeep(myIndex); |
| 63 | } |
| 64 | else { |
| 65 | myFound = IsPoint(myIndex); |
| 66 | } |
| 67 | if (myFound) break; |
| 68 | else myIndex++; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | //======================================================================= |
| 73 | //function : More |
| 74 | //purpose : |
| 75 | //======================================================================= |
| 76 | |
| 77 | Standard_Boolean TopOpeBRepDS_PointExplorer::More() const |
| 78 | { |
| 79 | return myFound; |
| 80 | } |
| 81 | |
| 82 | //======================================================================= |
| 83 | //function : Next |
| 84 | //purpose : |
| 85 | //======================================================================= |
| 86 | |
| 87 | void TopOpeBRepDS_PointExplorer::Next() |
| 88 | { |
| 89 | myIndex++; |
| 90 | Find(); |
| 91 | } |
| 92 | |
| 93 | //======================================================================= |
| 94 | //function : Point |
| 95 | //purpose : |
| 96 | //======================================================================= |
| 97 | |
| 98 | const TopOpeBRepDS_Point& TopOpeBRepDS_PointExplorer::Point()const |
| 99 | { |
| 100 | if ( myFound ) { |
| 101 | return MYDS.Point(myIndex); |
| 102 | } |
| 103 | else { |
| 104 | return myEmpty; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | //======================================================================= |
| 109 | //function : IsPoint |
| 110 | //purpose : |
| 111 | //======================================================================= |
| 112 | |
| 113 | Standard_Boolean TopOpeBRepDS_PointExplorer::IsPoint |
| 114 | (const Standard_Integer I)const |
| 115 | { |
| 116 | Standard_Boolean b = MYDS.myPoints.IsBound(I); |
| 117 | return b; |
| 118 | } |
| 119 | |
| 120 | //======================================================================= |
| 121 | //function : IsPointKeep |
| 122 | //purpose : |
| 123 | //======================================================================= |
| 124 | |
| 125 | Standard_Boolean TopOpeBRepDS_PointExplorer::IsPointKeep |
| 126 | (const Standard_Integer I)const |
| 127 | { |
| 128 | Standard_Boolean b = MYDS.myPoints.IsBound(I); |
| 129 | if (b) b = MYDS.Point(I).Keep(); |
| 130 | return b; |
| 131 | } |
| 132 | |
| 133 | |
| 134 | //======================================================================= |
| 135 | //function : Point |
| 136 | //purpose : |
| 137 | //======================================================================= |
| 138 | |
| 139 | const TopOpeBRepDS_Point& TopOpeBRepDS_PointExplorer::Point |
| 140 | (const Standard_Integer I)const |
| 141 | { |
| 142 | if ( IsPoint(I) ) { |
| 143 | return MYDS.Point(I); |
| 144 | } |
| 145 | else { |
| 146 | return myEmpty; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | //======================================================================= |
| 151 | //function : NbPoint |
| 152 | //purpose : |
| 153 | //======================================================================= |
| 154 | |
| 155 | Standard_Integer TopOpeBRepDS_PointExplorer::NbPoint() |
| 156 | { |
| 157 | myIndex = 1; myMax = MYDS.NbPoints(); |
| 158 | Find(); |
| 159 | Standard_Integer n = 0; |
| 160 | for (; More(); Next() ) n++; |
| 161 | return n; |
| 162 | } |
| 163 | |
| 164 | //======================================================================= |
| 165 | //function : Index |
| 166 | //purpose : |
| 167 | //======================================================================= |
| 168 | |
| 169 | Standard_Integer TopOpeBRepDS_PointExplorer::Index()const |
| 170 | { |
| 171 | return myIndex; |
| 172 | } |
projects / occt.git / blame