0031687: Draw Harness, ViewerTest - extend command vrenderparams with option updating...
[occt.git] / src / ShapeBuild / ShapeBuild_ReShape.cxx
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973c2be1 1// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 2//
973c2be1 3// This file is part of Open CASCADE Technology software library.
b311480e 4//
d5f74e42 5// This library is free software; you can redistribute it and/or modify it under
6// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 7// by the Free Software Foundation, with special exception defined in the file
8// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9// distribution for complete text of the license and disclaimer of any warranty.
b311480e 10//
973c2be1 11// Alternatively, this file may be used under the terms of Open CASCADE
12// commercial license or contractual agreement.
b311480e 13
7fd59977 14// abv 28.04.99 S4137: ading method Apply for work on all types of shapes
15
7fd59977 16#include <BRep_Builder.hxx>
ab860031 17#include <BRep_Tool.hxx>
7fd59977 18#include <ShapeBuild_Edge.hxx>
42cf5bc1 19#include <ShapeBuild_ReShape.hxx>
20#include <ShapeExtend.hxx>
21#include <Standard_Type.hxx>
22#include <TopExp_Explorer.hxx>
7fd59977 23#include <TopoDS.hxx>
42cf5bc1 24#include <TopoDS_Compound.hxx>
25#include <TopoDS_Iterator.hxx>
26#include <TopoDS_Shape.hxx>
27#include <TopoDS_Shell.hxx>
28#include <TopoDS_Solid.hxx>
7fd59977 29
92efcf78 30IMPLEMENT_STANDARD_RTTIEXT(ShapeBuild_ReShape,BRepTools_ReShape)
31
7fd59977 32//=======================================================================
33//function : ShapeBuild_ReShape
34//purpose :
35//=======================================================================
7fd59977 36ShapeBuild_ReShape::ShapeBuild_ReShape()
37{
38}
39
40//=======================================================================
41//function : Apply
42//purpose :
43//=======================================================================
44
45TopoDS_Shape ShapeBuild_ReShape::Apply (const TopoDS_Shape& shape,
46 const TopAbs_ShapeEnum until,
47 const Standard_Integer buildmode)
48{
669cd76e 49 if (shape.IsNull()) return shape;
50 TopoDS_Shape newsh;
51 if (Status (shape,newsh,Standard_False) != 0) return newsh;
52
53 TopAbs_ShapeEnum st = shape.ShapeType();
54 if (st == until) return newsh; // critere d arret
55
56 Standard_Integer modif = 0;
57 if (st == TopAbs_COMPOUND || st == TopAbs_COMPSOLID) {
58 BRep_Builder B;
59 TopoDS_Compound C;
60 B.MakeCompound (C);
61 for (TopoDS_Iterator it (shape); it.More(); it.Next()) {
62 TopoDS_Shape sh = it.Value();
63 Standard_Integer stat = Status (sh,newsh,Standard_False);
64 if (stat != 0) modif = 1;
65 if (stat >= 0) B.Add (C,newsh);
66 }
67 if (modif == 0) return shape;
68 return C;
69 }
70
71 if (st == TopAbs_SOLID) {
72 BRep_Builder B;
73 TopoDS_Compound C;
74 B.MakeCompound (C);
75 TopoDS_Solid S;
76 B.MakeSolid (S);
77 for (TopoDS_Iterator it (shape); it.More(); it.Next()) {
78 TopoDS_Shape sh = it.Value();
79 newsh = Apply (sh,until,buildmode);
80 if (newsh.IsNull()) {
81 modif = -1;
82 }
83 else if (newsh.ShapeType() != TopAbs_SHELL) {
84 Standard_Integer nbsub = 0;
85 for (TopExp_Explorer exh(newsh,TopAbs_SHELL); exh.More(); exh.Next()) {
86 TopoDS_Shape onesh = exh.Current ();
87 B.Add (S,onesh);
88 nbsub ++;
89 }
90 if (nbsub == 0) modif = -1;
91 B.Add (C,newsh); // c est tout
92 }
93 else {
94 if (modif == 0 && !sh.IsEqual(newsh)) modif = 1;
95 B.Add (C,newsh);
96 B.Add (S,newsh);
97 }
98 }
99
100 if ( (modif < 0 && buildmode < 2) || (modif == 0 && buildmode < 1) )
101 return C;
102 else
103 return S;
104 }
105
106 if (st == TopAbs_SHELL) {
107 BRep_Builder B;
108 TopoDS_Compound C;
109 B.MakeCompound (C);
110 TopoDS_Shell S;
111 B.MakeShell (S);
112 for (TopoDS_Iterator it (shape); it.More(); it.Next()) {
113 TopoDS_Shape sh = it.Value();
114 newsh = Apply (sh,until,buildmode);
115 if (newsh.IsNull()) {
116 modif = -1;
117 }
118 else if (newsh.ShapeType() != TopAbs_FACE) {
119 Standard_Integer nbsub = 0;
120 for (TopExp_Explorer exf(newsh,TopAbs_FACE); exf.More(); exf.Next()) {
121 TopoDS_Shape onesh = exf.Current ();
122 B.Add (S,onesh);
123 nbsub ++;
124 }
125 if (nbsub == 0) modif = -1;
126 B.Add (C,newsh); // c est tout
127 }
128 else {
129 if (modif == 0 && !sh.IsEqual(newsh)) modif = 1;
130 B.Add (C,newsh);
131 B.Add (S,newsh);
132 }
133 }
134 if ( (modif < 0 && buildmode < 2) || (modif == 0 && buildmode < 1) )
135 return C;
136 else
137 {
138 S.Closed (BRep_Tool::IsClosed (S));
139 return S;
140 }
141 }
04232180 142 std::cout<<"BRepTools_ReShape::Apply NOT YET IMPLEMENTED"<<std::endl;
669cd76e 143 return shape;
7fd59977 144}
145
146//=======================================================================
147//function : Apply
148//purpose :
149//=======================================================================
150
151TopoDS_Shape ShapeBuild_ReShape::Apply (const TopoDS_Shape& shape,
152 const TopAbs_ShapeEnum until)
153{
154 myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
155 if ( shape.IsNull() ) return shape;
156
157 // apply direct replacement
158 TopoDS_Shape newsh = Value ( shape );
159
160 // if shape removed, return NULL
161 if ( newsh.IsNull() ) {
162 myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
163 return newsh;
164 }
165
166 // if shape replaced, apply modifications to the result recursively
167 Standard_Boolean aConsLoc = ModeConsiderLocation();
168 if ( (aConsLoc && ! newsh.IsPartner (shape)) ||
ab860031 169 (!aConsLoc &&! newsh.IsSame ( shape )) )
170 {
7fd59977 171 TopoDS_Shape res = Apply ( newsh, until );
172 myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
173 return res;
174 }
175
6e6cd5d9 176 TopAbs_ShapeEnum st = shape.ShapeType();
7fd59977 177 if ( st >= until ) return newsh; // critere d arret
178 if(st == TopAbs_VERTEX || st == TopAbs_SHAPE)
179 return shape;
180 // define allowed types of components
181
182 BRep_Builder B;
183
184 TopoDS_Shape result = shape.EmptyCopied();
185 TopAbs_Orientation orient = shape.Orientation(); //JR/Hp: or -> orient
186 result.Orientation(TopAbs_FORWARD); // protect against INTERNAL or EXTERNAL shapes
187 Standard_Boolean modif = Standard_False;
188 Standard_Integer locStatus = myStatus;
189
190 // apply recorded modifications to subshapes
191 for ( TopoDS_Iterator it(shape,Standard_False); it.More(); it.Next() ) {
192 TopoDS_Shape sh = it.Value();
193 newsh = Apply ( sh, until );
194 if ( newsh != sh ) {
195 if ( ShapeExtend::DecodeStatus ( myStatus, ShapeExtend_DONE4 ) )
196 locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 );
197 modif = 1;
198 }
199 if ( newsh.IsNull() ) {
200 locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 );
201 continue;
202 }
203 locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 );
204 if ( st == TopAbs_COMPOUND || newsh.ShapeType() == sh.ShapeType()) { //fix for SAMTECH bug OCC322 about abcense internal vertices after sewing.
205 B.Add ( result, newsh );
206 continue;
207 }
208 Standard_Integer nitems = 0;
209 for ( TopoDS_Iterator subit(newsh); subit.More(); subit.Next(), nitems++ ) {
210 TopoDS_Shape subsh = subit.Value();
211 if ( subsh.ShapeType() == sh.ShapeType() ) B.Add ( result, subsh );
212 else locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
213 }
214 if ( ! nitems ) locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
215 }
216 if ( ! modif ) return shape;
217
218 // restore Range on edge broken by EmptyCopied()
219 if ( st == TopAbs_EDGE ) {
220 ShapeBuild_Edge sbe;
221 sbe.CopyRanges ( TopoDS::Edge ( result ), TopoDS::Edge ( shape ));
222 }
da72a17c 223 else if (st == TopAbs_WIRE || st == TopAbs_SHELL)
224 result.Closed (BRep_Tool::IsClosed (result));
7fd59977 225 result.Orientation(orient);
226 myStatus = locStatus;
98ffe9df 227
228 replace(shape, result,
229 result.IsNull() ? TReplacementKind_Remove : TReplacementKind_Modify);
ab860031 230
7fd59977 231 return result;
232}
233
234//=======================================================================
235//function : Status
236//purpose :
237//=======================================================================
238
239Standard_Integer ShapeBuild_ReShape::Status(const TopoDS_Shape& ashape,
240 TopoDS_Shape& newsh,
241 const Standard_Boolean last)
242{
243 return BRepTools_ReShape::Status(ashape,newsh,last);
244}
245
246//=======================================================================
247//function : Status
248//purpose :
249//=======================================================================
250
251Standard_Boolean ShapeBuild_ReShape::Status (const ShapeExtend_Status status) const
252{
253 return ShapeExtend::DecodeStatus ( myStatus, status );
254}