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ab860031bd
Method BRep_Tool::IsClosed() extended to analyze closure of wires in addition to shells and solids. External and Internal edges and vertices are ignored in this check. Analysis of compounds is disabled. Update of flag Closed according to actual state is added in most places where new shells are constructed. Draw-command and test case for issue CR25202
156 lines
5.3 KiB
C++
156 lines
5.3 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// abv 28.04.99 S4137: ading method Apply for work on all types of shapes
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#include <ShapeBuild_ReShape.ixx>
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#include <TopoDS_Shell.hxx>
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#include <TopoDS_Solid.hxx>
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#include <TopoDS_Compound.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <TopExp_Explorer.hxx>
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#include <BRep_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <ShapeExtend.hxx>
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#include <ShapeBuild_Edge.hxx>
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#include <TopoDS.hxx>
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//=======================================================================
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//function : ShapeBuild_ReShape
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//purpose :
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//=======================================================================
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ShapeBuild_ReShape::ShapeBuild_ReShape()
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{
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}
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//=======================================================================
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//function : Apply
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//purpose :
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//=======================================================================
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TopoDS_Shape ShapeBuild_ReShape::Apply (const TopoDS_Shape& shape,
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const TopAbs_ShapeEnum until,
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const Standard_Integer buildmode)
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{
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return BRepTools_ReShape::Apply (shape,until,buildmode);
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}
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//=======================================================================
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//function : Apply
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//purpose :
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//=======================================================================
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TopoDS_Shape ShapeBuild_ReShape::Apply (const TopoDS_Shape& shape,
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const TopAbs_ShapeEnum until)
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{
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myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
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if ( shape.IsNull() ) return shape;
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// apply direct replacement
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TopoDS_Shape newsh = Value ( shape );
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// if shape removed, return NULL
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if ( newsh.IsNull() ) {
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myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
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return newsh;
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}
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// if shape replaced, apply modifications to the result recursively
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Standard_Boolean aConsLoc = ModeConsiderLocation();
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if ( (aConsLoc && ! newsh.IsPartner (shape)) ||
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(!aConsLoc &&! newsh.IsSame ( shape )) )
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{
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TopoDS_Shape res = Apply ( newsh, until );
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myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
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return res;
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}
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TopAbs_ShapeEnum st = shape.ShapeType();
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if ( st >= until ) return newsh; // critere d arret
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if(st == TopAbs_VERTEX || st == TopAbs_SHAPE)
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return shape;
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// define allowed types of components
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BRep_Builder B;
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TopoDS_Shape result = shape.EmptyCopied();
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TopAbs_Orientation orient = shape.Orientation(); //JR/Hp: or -> orient
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result.Orientation(TopAbs_FORWARD); // protect against INTERNAL or EXTERNAL shapes
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Standard_Boolean modif = Standard_False;
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Standard_Integer locStatus = myStatus;
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// apply recorded modifications to subshapes
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for ( TopoDS_Iterator it(shape,Standard_False); it.More(); it.Next() ) {
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TopoDS_Shape sh = it.Value();
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newsh = Apply ( sh, until );
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if ( newsh != sh ) {
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if ( ShapeExtend::DecodeStatus ( myStatus, ShapeExtend_DONE4 ) )
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locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 );
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modif = 1;
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}
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if ( newsh.IsNull() ) {
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locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 );
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continue;
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}
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locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 );
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if ( st == TopAbs_COMPOUND || newsh.ShapeType() == sh.ShapeType()) { //fix for SAMTECH bug OCC322 about abcense internal vertices after sewing.
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B.Add ( result, newsh );
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continue;
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}
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Standard_Integer nitems = 0;
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for ( TopoDS_Iterator subit(newsh); subit.More(); subit.Next(), nitems++ ) {
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TopoDS_Shape subsh = subit.Value();
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if ( subsh.ShapeType() == sh.ShapeType() ) B.Add ( result, subsh );
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else locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
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}
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if ( ! nitems ) locStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
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}
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if ( ! modif ) return shape;
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// restore Range on edge broken by EmptyCopied()
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if ( st == TopAbs_EDGE ) {
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ShapeBuild_Edge sbe;
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sbe.CopyRanges ( TopoDS::Edge ( result ), TopoDS::Edge ( shape ));
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}
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result.Orientation(orient);
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result.Closed (BRep_Tool::IsClosed (result));
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myStatus = locStatus;
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Replace ( shape, result );
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return result;
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}
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//=======================================================================
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//function : Status
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//purpose :
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//=======================================================================
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Standard_Integer ShapeBuild_ReShape::Status(const TopoDS_Shape& ashape,
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TopoDS_Shape& newsh,
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const Standard_Boolean last)
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{
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return BRepTools_ReShape::Status(ashape,newsh,last);
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}
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//=======================================================================
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//function : Status
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeBuild_ReShape::Status (const ShapeExtend_Status status) const
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{
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return ShapeExtend::DecodeStatus ( myStatus, status );
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}
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