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0027772: Foundation Classes - define Standard_Boolean using C++ type "bool" instead...
[occt.git] / src / ShapeCustom / ShapeCustom_DirectModification.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//:l8 abv 15.01.99: CTS22022: writing correct pcurves for indirect tori
15//:p5 abv 26.02.99: PRO18207: force copying of edge if any its pcurve is to be replaced
16//szv#4 S4163
17//S4181 pdn 20.04.99 Modification of indirect rectangular trimming surfaces and taking
18// locations into account
19//szv 03.01.01 PositiveCones merged in
7fd59977 20
42cf5bc1 21#include <BRep_Builder.hxx>
22#include <BRep_GCurve.hxx>
23#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
24#include <BRep_TEdge.hxx>
25#include <BRep_Tool.hxx>
26#include <BRepTools.hxx>
27#include <Geom2d_Curve.hxx>
7fd59977 28#include <Geom_ConicalSurface.hxx>
42cf5bc1 29#include <Geom_Curve.hxx>
7fd59977 30#include <Geom_ElementarySurface.hxx>
31#include <Geom_RectangularTrimmedSurface.hxx>
42cf5bc1 32#include <Geom_Surface.hxx>
33#include <gp_Mat.hxx>
34#include <gp_Pnt.hxx>
35#include <Message_Msg.hxx>
7fd59977 36#include <Precision.hxx>
42cf5bc1 37#include <ShapeCustom_DirectModification.hxx>
38#include <Standard_Type.hxx>
39#include <TopLoc_Location.hxx>
7fd59977 40#include <TopoDS.hxx>
42cf5bc1 41#include <TopoDS_Edge.hxx>
42#include <TopoDS_Face.hxx>
43#include <TopoDS_Vertex.hxx>
7fd59977 44
92efcf78 45IMPLEMENT_STANDARD_RTTIEXT(ShapeCustom_DirectModification,ShapeCustom_Modification)
46
7fd59977 47//=======================================================================
48//function : ShapeCustom_DirectModification
49//purpose :
50//=======================================================================
7fd59977 51ShapeCustom_DirectModification::ShapeCustom_DirectModification()
52{
53}
54
55//S4181 returns 0 - none, 1 - indirect, 2 - negative cone, 3 - indirect negative cone
56static Standard_Integer IsIndirectSurface (Handle(Geom_Surface) &S,
57 TopLoc_Location &L)
58{
59 Standard_Integer result = 0;
60
61 Handle(Geom_Surface) TS = S;
62 while (TS->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)))
63 TS = Handle(Geom_RectangularTrimmedSurface)::DownCast(TS)->BasisSurface();
64
65 Handle(Geom_ElementarySurface) ES = Handle(Geom_ElementarySurface)::DownCast(TS);
66 if (!ES.IsNull()) {
67 // is the surface indirect ?
68 gp_Trsf t = L.Transformation();
69 Standard_Boolean neg = t.IsNegative();
70 Standard_Boolean det = ( t.VectorialPart().Determinant() < 0.0 );
71 Standard_Boolean dir = ES->Position().Direct();
dde68833 72 if ((neg != det) == dir) result = 1;
7fd59977 73 Handle(Geom_ConicalSurface) CS = Handle(Geom_ConicalSurface)::DownCast(ES);
74 if (!CS.IsNull()) {
75 // does the cone have negative semiangle ?
76 if ( CS->SemiAngle() < 0.0 ) result += 2;
77 }
78 if (result) S = TS;
79 }
80
81 return result;
82}
83
84//=======================================================================
85//function : NewSurface
86//purpose :
87//=======================================================================
88
89Standard_Boolean ShapeCustom_DirectModification::NewSurface (const TopoDS_Face& F,
90 Handle(Geom_Surface)& S,
91 TopLoc_Location& L,
92 Standard_Real& Tol,
93 Standard_Boolean& RevWires,
94 Standard_Boolean& RevFace)
95{
96 S = BRep_Tool::Surface(F,L);
97
98 switch (IsIndirectSurface(S,L)) {
99 case 1: { // Indirect surface
100 // UReverse a copy of S
101 S = S->UReversed();
102 RevWires = Standard_True;
103 RevFace = Standard_True;
104 break;
105 }
106 case 2: { // Negative cone
107 // U- and VReverse a copy of S
108 S = S->VReversed();
109 S->UReverse();
110 RevWires = Standard_False;
111 RevFace = Standard_False;
112 break;
113 }
114 case 3: { // Indirect negative cone
115 // VReverse a copy of S
116 S = S->VReversed();
117 RevWires = Standard_True;
118 RevFace = Standard_True;
119 break;
120 }
121 default: return Standard_False;
122 }
123
da2db6a7 124 SendMsg( F, Message_Msg("DirectModification.NewSurface.MSG0"));
125
7fd59977 126 Tol = BRep_Tool::Tolerance(F);
127
128 return Standard_True;
129}
130
131//=======================================================================
132//function : NewCurve
133//purpose :
134//=======================================================================
135
136Standard_Boolean ShapeCustom_DirectModification::NewCurve (const TopoDS_Edge& E,
137 Handle(Geom_Curve)& C,
138 TopLoc_Location& L,
139 Standard_Real& Tol)
140{
141 //:p5 abv 26 Feb 99: force copying of edge if any its pcurve will be replaced
142 Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
143
144 // iterate on pcurves
145 BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves());
146 for ( ; itcr.More(); itcr.Next() ) {
147 Handle(BRep_GCurve) GC = Handle(BRep_GCurve)::DownCast(itcr.Value());
148 if ( GC.IsNull() || ! GC->IsCurveOnSurface() ) continue;
149 Handle(Geom_Surface) S = GC->Surface();
150 TopLoc_Location Loc = GC->Location();
151 if ( ! IsIndirectSurface ( S, Loc ) ) continue;
152 Standard_Real f, l;
153 C = BRep_Tool::Curve ( E, L, f, l );
154 if ( ! C.IsNull() ) C = Handle(Geom_Curve)::DownCast ( C->Copy() );
155 Tol = BRep_Tool::Tolerance(E);
156 return Standard_True;
157 }
158 return Standard_False;
159}
160
161//=======================================================================
162//function : NewPoint
163//purpose :
164//=======================================================================
165
166Standard_Boolean ShapeCustom_DirectModification::NewPoint (const TopoDS_Vertex& /*V*/,
167 gp_Pnt& /*P*/,
168 Standard_Real& /*Tol*/)
169{
170 // 3d points are never modified
171 return Standard_False;
172}
173
174//=======================================================================
175//function : NewCurve2d
176//purpose :
177//=======================================================================
178
179Standard_Boolean ShapeCustom_DirectModification::NewCurve2d (const TopoDS_Edge& E,
180 const TopoDS_Face& F,
181 const TopoDS_Edge& NewE,
182 const TopoDS_Face& NewF,
183 Handle(Geom2d_Curve)& C,
184 Standard_Real& Tol)
185{
186 TopLoc_Location L;
187 Handle(Geom_Surface) S = BRep_Tool::Surface(F,L);
188
189 Standard_Integer result = IsIndirectSurface ( S, L );
190 if ( !result && E.IsSame(NewE) ) return Standard_False;
191
192 Standard_Real f, l;
193 C = BRep_Tool::CurveOnSurface( E, F, f, l );
194 Tol = BRep_Tool::Tolerance(E);
195
196 if ( result ) {
197
198 gp_Trsf2d T;
199
200 switch (result) {
201 case 1: { // Indirect surface
202 // mirror the PCurve about the V axis
203 T.SetMirror(gp::OY2d());
204 C = Handle(Geom2d_Curve)::DownCast(C->Transformed(T));
205 break;
206 }
207 case 2: { // Negative cone
208 // mirror the PCurve about the U and V axis
209 T.SetMirror(gp::OX2d());
210 C = Handle(Geom2d_Curve)::DownCast(C->Transformed(T));
211 T.SetMirror(gp::OY2d());
212 C->Transform(T);
213 break;
214 }
215 case 3: { // Indirect negative cone
216 // mirror the PCurve about the U axis
217 T.SetMirror(gp::OX2d());
218 C = Handle(Geom2d_Curve)::DownCast(C->Transformed(T));
219 break;
220 }
221 }
222
223 //#26 rln When seam edge contains triangulations trimming is lost by BRep_Builder::UpdateEdge
224 if (BRepTools::IsReallyClosed (E, F)) {
225 //szv#4:S4163:12Mar99 SGI warning
226 TopoDS_Shape sh = NewE.Reversed();
227 Handle(Geom2d_Curve) tmp = BRep_Tool::CurveOnSurface( TopoDS::Edge(sh), NewF, f, l );
228 if (tmp.IsNull()) {
229 tmp = BRep_Tool::CurveOnSurface (E, F, f, l);
230 BRep_Builder B;
231 B.UpdateEdge (NewE, tmp, C, NewF, Tol);
232 B.Range (NewE, NewF, f, l);
233 //anyway, tmp will be removed later by BRepTools_Modifier
234 }
235 }
236 }
237 else {
238 //:p5 abv 26 Feb 99: force copying of pcurves if edge was copied
239 if ( ! C.IsNull() ) C = Handle(Geom2d_Curve)::DownCast ( C->Copy() );
240 }
241
242 return Standard_True;
243}
244
245//=======================================================================
246//function : NewParameter
247//purpose :
248//=======================================================================
249
250Standard_Boolean ShapeCustom_DirectModification::NewParameter (const TopoDS_Vertex& /*V*/,
251 const TopoDS_Edge& /*E*/,
252 Standard_Real& /*P*/,
253 Standard_Real& /*Tol*/)
254{
255 return Standard_False;
256}
257
258//=======================================================================
259//function : Continuity
260//purpose :
261//=======================================================================
262
263GeomAbs_Shape ShapeCustom_DirectModification::Continuity (const TopoDS_Edge& E,
264 const TopoDS_Face& F1,
265 const TopoDS_Face& F2,
266 const TopoDS_Edge& /*NewE*/,
267 const TopoDS_Face& /*NewF1*/,
268 const TopoDS_Face& /*NewF2*/)
269{
270 return BRep_Tool::Continuity(E,F1,F2);
271}
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