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1 | // Created on: 1993-10-11 |
2 | // Created by: Christophe MARION |
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 | |
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18 | #include <BRep_Builder.hxx> |
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19 | #include <HLRAlgo_EdgeIterator.hxx> |
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20 | #include <HLRBRep.hxx> |
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21 | #include <HLRBRep_Algo.hxx> |
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22 | #include <HLRBRep_Data.hxx> |
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23 | #include <HLRBRep_EdgeData.hxx> |
24 | #include <HLRBRep_HLRToShape.hxx> |
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25 | #include <HLRBRep_ShapeBounds.hxx> |
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26 | #include <TopExp_Explorer.hxx> |
27 | #include <TopoDS.hxx> |
28 | #include <TopoDS_Shape.hxx> |
29 | #include <TopTools_IndexedMapOfShape.hxx> |
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30 | |
31 | //======================================================================= |
32 | //function : HLRBRep_HLRToShape |
33 | //purpose : |
34 | //======================================================================= |
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35 | HLRBRep_HLRToShape::HLRBRep_HLRToShape (const Handle(HLRBRep_Algo)& A) : |
36 | myAlgo(A) |
37 | {} |
38 | |
39 | //======================================================================= |
40 | //function : InternalCompound |
41 | //purpose : |
42 | //======================================================================= |
43 | |
44 | TopoDS_Shape |
45 | HLRBRep_HLRToShape::InternalCompound (const Standard_Integer typ, |
46 | const Standard_Boolean visible, |
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47 | const TopoDS_Shape& S, |
48 | const Standard_Boolean In3d) |
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49 | { |
50 | Standard_Boolean added = Standard_False; |
51 | TopoDS_Shape Result; |
52 | Handle(HLRBRep_Data) DS = myAlgo->DataStructure(); |
53 | |
54 | if (!DS.IsNull()) { |
55 | DS->Projector().Scaled(Standard_True); |
56 | Standard_Integer e1 = 1; |
57 | Standard_Integer e2 = DS->NbEdges(); |
58 | Standard_Integer f1 = 1; |
59 | Standard_Integer f2 = DS->NbFaces(); |
60 | Standard_Boolean explor = Standard_False; |
61 | // Standard_Boolean todraw; |
62 | if (!S.IsNull()) { |
63 | Standard_Integer v1,v2; |
64 | Standard_Integer index = myAlgo->Index(S); |
65 | if (index == 0) explor = Standard_True; |
66 | else myAlgo->ShapeBounds(index).Bounds(v1,v2,e1,e2,f1,f2); |
67 | } |
68 | BRep_Builder B; |
69 | B.MakeCompound(TopoDS::Compound(Result)); |
70 | HLRBRep_EdgeData* ed = &(DS->EDataArray().ChangeValue(e1 - 1)); |
71 | |
72 | for (Standard_Integer ie = e1; ie <= e2; ie++) { |
73 | ed++; |
74 | if (ed->Selected() && !ed->Vertical()) { |
75 | ed->Used(Standard_False); |
76 | ed->HideCount(0); |
77 | } |
78 | else ed->Used(Standard_True); |
79 | } |
80 | if (explor) { |
81 | TopTools_IndexedMapOfShape& Edges = DS->EdgeMap(); |
82 | TopTools_IndexedMapOfShape& Faces = DS->FaceMap(); |
83 | TopExp_Explorer Exp; |
84 | |
85 | for (Exp.Init (S, TopAbs_FACE); |
86 | Exp.More(); |
87 | Exp.Next()) { |
88 | Standard_Integer iface = Faces.FindIndex(Exp.Current()); |
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89 | if (iface != 0) |
90 | DrawFace(visible,typ,iface,DS,Result,added,In3d); |
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91 | } |
92 | if (typ >= 3) { |
93 | |
94 | for (Exp.Init (S, TopAbs_EDGE, TopAbs_FACE); |
95 | Exp.More(); |
96 | Exp.Next()) { |
97 | Standard_Integer ie = Edges.FindIndex(Exp.Current()); |
98 | if (ie != 0) { |
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99 | HLRBRep_EdgeData& EDataIE = DS->EDataArray().ChangeValue(ie); |
100 | if (!EDataIE.Used()) { |
101 | DrawEdge(visible,Standard_False,typ, EDataIE,Result,added,In3d); |
102 | EDataIE.Used(Standard_True); |
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103 | } |
104 | } |
105 | } |
106 | } |
107 | } |
108 | else { |
109 | |
110 | for (Standard_Integer iface = f1; iface <= f2; iface++) |
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111 | DrawFace(visible,typ,iface,DS,Result,added,In3d); |
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112 | |
113 | if (typ >= 3) { |
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114 | HLRBRep_EdgeData* EDataE11 = &(DS->EDataArray().ChangeValue(e1 - 1)); |
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115 | |
116 | for (Standard_Integer ie = e1; ie <= e2; ie++) { |
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117 | EDataE11++; |
118 | if (!EDataE11->Used()) { |
119 | DrawEdge(visible,Standard_False,typ,*EDataE11,Result,added,In3d); |
120 | EDataE11->Used(Standard_True); |
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121 | } |
122 | } |
123 | } |
124 | } |
125 | DS->Projector().Scaled(Standard_False); |
126 | } |
127 | if (!added) Result = TopoDS_Shape(); |
128 | return Result; |
129 | } |
130 | |
131 | //======================================================================= |
132 | //function : DrawFace |
133 | //purpose : |
134 | //======================================================================= |
135 | |
136 | void |
137 | HLRBRep_HLRToShape::DrawFace (const Standard_Boolean visible, |
138 | const Standard_Integer typ, |
139 | const Standard_Integer iface, |
140 | Handle(HLRBRep_Data)& DS, |
141 | TopoDS_Shape& Result, |
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142 | Standard_Boolean& added, |
143 | const Standard_Boolean In3d) const |
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144 | { |
145 | HLRBRep_FaceIterator Itf; |
146 | |
147 | for (Itf.InitEdge(DS->FDataArray().ChangeValue(iface)); |
148 | Itf.MoreEdge(); |
149 | Itf.NextEdge()) { |
150 | Standard_Integer ie = Itf.Edge(); |
151 | HLRBRep_EdgeData& edf = DS->EDataArray().ChangeValue(ie); |
152 | if (!edf.Used()) { |
153 | Standard_Boolean todraw; |
154 | if (typ == 1) todraw = Itf.IsoLine(); |
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155 | else if (typ == 2) //outlines |
156 | { |
157 | if (In3d) |
158 | todraw = Itf.Internal() || Itf.OutLine(); |
159 | else |
160 | todraw = Itf.Internal(); |
161 | } |
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162 | else if (typ == 3) todraw = edf.Rg1Line() && |
163 | !edf.RgNLine() && !Itf.OutLine(); |
164 | else if (typ == 4) todraw = edf.RgNLine() && !Itf.OutLine(); |
165 | else todraw = |
166 | !(Itf.IsoLine() || |
167 | Itf.Internal() || |
168 | (edf.Rg1Line() && !Itf.OutLine())); |
169 | |
170 | if (todraw) { |
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171 | DrawEdge(visible,Standard_True,typ,edf,Result,added,In3d); |
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172 | edf.Used(Standard_True); |
173 | } |
174 | else { |
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175 | if((typ > 4 || typ == 2) && //sharp or outlines |
176 | (edf.Rg1Line() && !Itf.OutLine())) |
177 | { |
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178 | Standard_Integer hc = edf.HideCount(); |
179 | if(hc > 0) { |
180 | edf.Used(Standard_True); |
181 | } |
182 | else { |
183 | ++hc; |
184 | edf.HideCount(hc); //to try with another face |
185 | } |
186 | } |
187 | else { |
188 | edf.Used(Standard_True); |
189 | } |
190 | } |
191 | } |
192 | } |
193 | } |
194 | |
195 | //======================================================================= |
196 | //function : DrawEdge |
197 | //purpose : |
198 | //======================================================================= |
199 | |
200 | void |
201 | HLRBRep_HLRToShape::DrawEdge (const Standard_Boolean visible, |
202 | const Standard_Boolean inFace, |
203 | const Standard_Integer typ, |
204 | HLRBRep_EdgeData& ed, |
205 | TopoDS_Shape& Result, |
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206 | Standard_Boolean& added, |
207 | const Standard_Boolean In3d) const |
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208 | { |
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209 | Standard_Boolean todraw = Standard_False; |
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210 | if (inFace) todraw = Standard_True; |
211 | else if (typ == 3) todraw = ed.Rg1Line() && !ed.RgNLine(); |
212 | else if (typ == 4) todraw = ed.RgNLine(); |
213 | else todraw =!ed.Rg1Line(); |
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214 | |
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215 | if (todraw) { |
216 | Standard_Real sta,end; |
217 | Standard_ShortReal tolsta,tolend; |
218 | BRep_Builder B; |
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219 | TopoDS_Edge E; |
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220 | HLRAlgo_EdgeIterator It; |
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221 | if (visible) |
222 | { |
223 | for (It.InitVisible(ed.Status()); It.MoreVisible(); It.NextVisible()) { |
224 | It.Visible(sta,tolsta,end,tolend); |
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225 | if (!In3d) |
226 | E = HLRBRep::MakeEdge(ed.Geometry(),sta,end); |
227 | else |
228 | E = HLRBRep::MakeEdge3d(ed.Geometry(),sta,end); |
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229 | if (!E.IsNull()) |
230 | { |
231 | B.Add(Result,E); |
232 | added = Standard_True; |
233 | } |
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234 | } |
235 | } |
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236 | else |
237 | { |
238 | for (It.InitHidden(ed.Status()); It.MoreHidden(); It.NextHidden()) { |
239 | It.Hidden(sta,tolsta,end,tolend); |
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240 | if (!In3d) |
241 | E = HLRBRep::MakeEdge(ed.Geometry(),sta,end); |
242 | else |
243 | E = HLRBRep::MakeEdge3d(ed.Geometry(),sta,end); |
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244 | if (!E.IsNull()) |
245 | { |
246 | B.Add(Result,E); |
247 | added = Standard_True; |
248 | } |
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249 | } |
250 | } |
251 | } |
252 | } |