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1 | // Created on: 1991-12-13 |
| 2 | // Created by: Christophe MARION |
| 3 | // Copyright (c) 1991-1999 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 | #ifndef No_Exception |
| 18 | #define No_Exception |
| 19 | #endif |
| 20 | #include <Intrv_Intervals.ixx> |
| 21 | |
| 22 | // **---------**** Other |
| 23 | // ***-----* IsBefore |
| 24 | // ***------------* IsJustBefore |
| 25 | // ***-----------------* IsOverlappingAtStart |
| 26 | // ***------------------------* IsJustEnclosingAtEnd |
| 27 | // ***-----------------------------------* IsEnclosing |
| 28 | // ***----* IsJustOverlappingAtStart |
| 29 | // ***-----------* IsSimilar |
| 30 | // ***----------------------* IsJustEnclosingAtStart |
| 31 | // ***-* IsInside |
| 32 | // ***------* IsJustOverlappingAtEnd |
| 33 | // ***-----------------* IsOverlappingAtEnd |
| 34 | // ***--------* IsJustAfter |
| 35 | // ***---* IsAfter |
| 36 | |
| 37 | //======================================================================= |
| 38 | //function : Intrv_Intervals |
| 39 | //purpose : |
| 40 | //======================================================================= |
| 41 | |
| 42 | Intrv_Intervals::Intrv_Intervals () |
| 43 | {} |
| 44 | |
| 45 | //======================================================================= |
| 46 | //function : Intrv_Intervals |
| 47 | //purpose : |
| 48 | //======================================================================= |
| 49 | |
| 50 | Intrv_Intervals::Intrv_Intervals (const Intrv_Interval& Int) |
| 51 | { myInter.Append(Int); } |
| 52 | |
| 53 | //======================================================================= |
| 54 | //function : Intrv_Intervals |
| 55 | //purpose : |
| 56 | //======================================================================= |
| 57 | |
| 58 | Intrv_Intervals::Intrv_Intervals (const Intrv_Intervals& Int) |
| 59 | { myInter = Int.myInter; } |
| 60 | |
| 61 | //======================================================================= |
| 62 | //function : Intersect |
| 63 | //purpose : |
| 64 | //======================================================================= |
| 65 | |
| 66 | void Intrv_Intervals::Intersect (const Intrv_Interval& Tool) |
| 67 | { |
| 68 | Intrv_Intervals Inter(Tool); |
| 69 | Intersect(Inter); |
| 70 | } |
| 71 | |
| 72 | //======================================================================= |
| 73 | //function : Intersect |
| 74 | //purpose : |
| 75 | //======================================================================= |
| 76 | |
| 77 | void Intrv_Intervals::Intersect (const Intrv_Intervals& Tool) |
| 78 | { |
| 79 | Intrv_Intervals XUni(*this); |
| 80 | XUni.XUnite(Tool); |
| 81 | Unite(Tool); |
| 82 | Subtract(XUni); |
| 83 | } |
| 84 | |
| 85 | //======================================================================= |
| 86 | //function : Subtract |
| 87 | //purpose : |
| 88 | //======================================================================= |
| 89 | |
| 90 | void Intrv_Intervals::Subtract (const Intrv_Interval& Tool) |
| 91 | { |
| 92 | Standard_Integer index = 1; |
| 93 | |
| 94 | while (index <= myInter.Length()) { |
| 95 | |
| 96 | switch (Tool.Position (myInter(index))) { |
| 97 | |
| 98 | case Intrv_Before : |
| 99 | index = myInter.Length(); // sortir |
| 100 | break; |
| 101 | |
| 102 | case Intrv_JustBefore : |
| 103 | myInter(index).CutAtStart |
| 104 | (Tool.End (),Tool.TolEnd ()); // modifier le debut |
| 105 | index = myInter.Length(); // sortir |
| 106 | break; |
| 107 | |
| 108 | case Intrv_OverlappingAtStart : |
| 109 | case Intrv_JustOverlappingAtStart : |
| 110 | myInter(index).SetStart |
| 111 | (Tool.End (),Tool.TolEnd ()); // garder la fin |
| 112 | index = myInter.Length(); // sortir |
| 113 | break; |
| 114 | |
| 115 | case Intrv_JustEnclosingAtEnd : |
| 116 | case Intrv_Enclosing : |
| 117 | case Intrv_Similar : |
| 118 | case Intrv_JustEnclosingAtStart : |
| 119 | myInter.Remove(index); // detruire et |
| 120 | index--; // continuer |
| 121 | break; |
| 122 | |
| 123 | case Intrv_Inside : |
| 124 | myInter.InsertAfter(index,myInter(index)); |
| 125 | myInter(index ).SetEnd |
| 126 | (Tool.Start(),Tool.TolStart()); // garder le debut |
| 127 | myInter(index+1).SetStart |
| 128 | (Tool.End (),Tool.TolEnd ()); // garder la fin |
| 129 | index = myInter.Length(); // sortir |
| 130 | break; |
| 131 | |
| 132 | case Intrv_JustOverlappingAtEnd : |
| 133 | case Intrv_OverlappingAtEnd : |
| 134 | myInter(index).SetEnd |
| 135 | (Tool.Start(),Tool.TolStart()); // garder le debut |
| 136 | break; // continuer |
| 137 | |
| 138 | case Intrv_JustAfter : |
| 139 | myInter(index).CutAtEnd |
| 140 | (Tool.Start(),Tool.TolStart()); // modifier la fin |
| 141 | break; // continuer |
| 142 | |
| 143 | case Intrv_After : |
| 144 | break; // continuer |
| 145 | |
| 146 | } |
| 147 | index++; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | //======================================================================= |
| 152 | //function : Subtract |
| 153 | //purpose : |
| 154 | //======================================================================= |
| 155 | |
| 156 | void Intrv_Intervals::Subtract (const Intrv_Intervals& Tool) |
| 157 | { |
| 158 | Standard_Integer index; |
| 159 | for (index = 1; index <= Tool.myInter.Length(); index++) |
| 160 | Subtract (Tool.myInter(index)); |
| 161 | } |
| 162 | |
| 163 | //======================================================================= |
| 164 | //function : Unite |
| 165 | //purpose : |
| 166 | //======================================================================= |
| 167 | |
| 168 | void Intrv_Intervals::Unite (const Intrv_Interval& Tool) |
| 169 | { |
| 170 | Standard_Boolean Inserted = Standard_False; |
| 171 | Intrv_Interval Tins(Tool); |
| 172 | Standard_Integer index = 1; |
| 173 | |
| 174 | while (index <= myInter.Length()) { |
| 175 | |
| 176 | switch (Tins.Position (myInter(index))) { |
| 177 | |
| 178 | case Intrv_Before : |
| 179 | Inserted = Standard_True; |
| 180 | myInter.InsertBefore(index,Tins); // inserer avant et |
| 181 | index = myInter.Length(); // sortir |
| 182 | break; |
| 183 | |
| 184 | case Intrv_JustBefore : |
| 185 | case Intrv_OverlappingAtStart : |
| 186 | Inserted = Standard_True; |
| 187 | myInter(index).SetStart |
| 188 | (Tins.Start(),Tins.TolStart()); // changer le debut |
| 189 | index = myInter.Length(); // sortir |
| 190 | break; |
| 191 | |
| 192 | case Intrv_Similar : |
| 193 | Tins.FuseAtStart(myInter(index).Start(), |
| 194 | myInter(index).TolStart()); // modifier le debut |
| 195 | case Intrv_JustEnclosingAtEnd : |
| 196 | Tins.FuseAtEnd (myInter(index).End (), |
| 197 | myInter(index).TolEnd ()); // modifier la fin |
| 198 | case Intrv_Enclosing : |
| 199 | myInter.Remove(index); // detruire et |
| 200 | index--; // continuer |
| 201 | break; |
| 202 | |
| 203 | case Intrv_JustOverlappingAtEnd : |
| 204 | Tins.SetStart (myInter(index).Start(), |
| 205 | myInter(index).TolStart()); // changer le debut |
| 206 | Tins.FuseAtEnd (myInter(index).End (), |
| 207 | myInter(index).TolEnd ()); // modifier la fin |
| 208 | myInter.Remove(index); // detruire et |
| 209 | index--; // continuer |
| 210 | break; |
| 211 | |
| 212 | case Intrv_JustOverlappingAtStart : |
| 213 | Inserted = Standard_True; |
| 214 | myInter(index).FuseAtStart |
| 215 | (Tins.Start(),Tins.TolStart()); // modifier le debut |
| 216 | index = myInter.Length(); // sortir |
| 217 | break; |
| 218 | |
| 219 | case Intrv_JustEnclosingAtStart : |
| 220 | Tins.FuseAtStart(myInter(index).Start(), |
| 221 | myInter(index).TolStart()); // modifier le debut |
| 222 | myInter.Remove(index); // detruire et |
| 223 | index--; // continuer |
| 224 | break; |
| 225 | |
| 226 | case Intrv_Inside : |
| 227 | Inserted = Standard_True; |
| 228 | index = myInter.Length(); // sortir |
| 229 | break; |
| 230 | |
| 231 | case Intrv_OverlappingAtEnd : |
| 232 | case Intrv_JustAfter : |
| 233 | Tins.SetStart(myInter(index).Start(), |
| 234 | myInter(index).TolStart()); // changer le debut |
| 235 | myInter.Remove(index); // detruire et |
| 236 | index--; // continuer |
| 237 | break; |
| 238 | |
| 239 | case Intrv_After : |
| 240 | break; // continuer |
| 241 | |
| 242 | } |
| 243 | index++; |
| 244 | } |
| 245 | if ( !Inserted ) myInter.Append (Tins); |
| 246 | } |
| 247 | |
| 248 | //======================================================================= |
| 249 | //function : Unite |
| 250 | //purpose : |
| 251 | //======================================================================= |
| 252 | |
| 253 | void Intrv_Intervals::Unite (const Intrv_Intervals& Tool) |
| 254 | { |
| 255 | Standard_Integer index; |
| 256 | for (index = 1; index<=Tool.myInter.Length(); index++) |
| 257 | Unite (Tool.myInter(index)); |
| 258 | } |
| 259 | |
| 260 | //======================================================================= |
| 261 | //function : XUnite |
| 262 | //purpose : |
| 263 | //======================================================================= |
| 264 | |
| 265 | void Intrv_Intervals::XUnite (const Intrv_Interval& Tool) |
| 266 | { |
| 267 | Intrv_Intervals Inter(Tool); |
| 268 | XUnite(Inter); |
| 269 | } |
| 270 | |
| 271 | //======================================================================= |
| 272 | //function : XUnite |
| 273 | //purpose : |
| 274 | //======================================================================= |
| 275 | |
| 276 | void Intrv_Intervals::XUnite (const Intrv_Intervals& Tool) |
| 277 | { |
| 278 | Intrv_Intervals Sub2(Tool); |
| 279 | Sub2.Subtract(*this); |
| 280 | Subtract(Tool); |
| 281 | Unite(Sub2); |
| 282 | } |
| 283 | |
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