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270 lines
9.0 KiB
C++
270 lines
9.0 KiB
C++
// Created on: 1999-06-17
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// Created by: data exchange team
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// Copyright (c) 1999-1999 Matra Datavision
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// 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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#include <BRep_GCurve.hxx>
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#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
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#include <BRep_TEdge.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepTools.hxx>
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#include <Geom2d_Curve.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_OffsetSurface.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_RectangularTrimmedSurface.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_SurfaceOfLinearExtrusion.hxx>
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#include <Geom_SurfaceOfRevolution.hxx>
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#include <gp_Pnt.hxx>
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#include <Message_Msg.hxx>
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#include <Precision.hxx>
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#include <ShapeConstruct.hxx>
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#include <ShapeCustom_ConvertToBSpline.hxx>
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#include <Standard_Type.hxx>
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#include <TopLoc_Location.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Vertex.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(ShapeCustom_ConvertToBSpline,ShapeCustom_Modification)
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//=======================================================================
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//function : ShapeCustom_ConvertToBSpline
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//purpose :
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//=======================================================================
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ShapeCustom_ConvertToBSpline::ShapeCustom_ConvertToBSpline():
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myExtrMode(Standard_True), myRevolMode(Standard_True),
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myOffsetMode(Standard_True), myPlaneMode(Standard_False)
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{
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}
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//=======================================================================
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//function : IsToConvert
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeCustom_ConvertToBSpline::IsToConvert(const Handle(Geom_Surface) &S,
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Handle(Geom_Surface) &SS) const
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{
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SS = S;
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if(S->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
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Handle(Geom_RectangularTrimmedSurface) RTS =
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Handle(Geom_RectangularTrimmedSurface)::DownCast ( S );
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SS = RTS->BasisSurface();
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}
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if(SS->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
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if(myOffsetMode)
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return Standard_True;
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else {
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Handle(Geom_OffsetSurface) OS = Handle(Geom_OffsetSurface)::DownCast ( SS );
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Handle(Geom_Surface) basis = OS->BasisSurface();
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Handle(Geom_Surface) tmp;
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return IsToConvert(basis,tmp);
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}
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}
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if ( SS->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion)) )
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return myExtrMode;
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if ( SS->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution)) )
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return myRevolMode;
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if ( SS->IsKind(STANDARD_TYPE(Geom_Plane)) )
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return myPlaneMode;
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return Standard_False;
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}
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//=======================================================================
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//function : NewSurface
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeCustom_ConvertToBSpline::NewSurface (const TopoDS_Face& F,
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Handle(Geom_Surface)& S,
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TopLoc_Location& L,
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Standard_Real& Tol,
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Standard_Boolean& RevWires,
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Standard_Boolean& RevFace)
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{
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S = BRep_Tool::Surface(F,L);
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Standard_Real U1,U2,V1,V2;
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S->Bounds(U1,U2,V1,V2);
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Standard_Real Umin, Umax,Vmin,Vmax;
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BRepTools::UVBounds(F,Umin, Umax, Vmin, Vmax);
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if(Precision::IsInfinite(U1) || Precision::IsInfinite(U2)) {
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U1 = Umin;
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U2 = Umax;
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}
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if(Precision::IsInfinite(V1) || Precision::IsInfinite(V2)) {
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V1 = Vmin;
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V2 = Vmax;
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}
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Handle(Geom_Surface) surf;
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if ( ! IsToConvert ( S, surf) ) return Standard_False;
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Handle(Geom_Surface) res;
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if(surf->IsKind(STANDARD_TYPE(Geom_OffsetSurface))&&!myOffsetMode) {
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Handle(Geom_OffsetSurface) OS = Handle(Geom_OffsetSurface)::DownCast ( surf );
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Handle(Geom_Surface) basis = OS->BasisSurface();
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Standard_Real offset = OS->Offset();
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Handle(Geom_BSplineSurface) bspl = ShapeConstruct::
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ConvertSurfaceToBSpline(basis,U1,U2,V1,V2,Precision::Approximation(),
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surf->Continuity(),10000,15);
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Handle(Geom_OffsetSurface) nOff = new Geom_OffsetSurface(bspl,offset);
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res = nOff;
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}
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else {
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GeomAbs_Shape cnt = surf->Continuity();
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if(surf->IsKind(STANDARD_TYPE(Geom_OffsetSurface)))
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cnt = GeomAbs_C0; //pdn 30.06.99 because of hang-up in GeomConvert_ApproxSurface
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res = ShapeConstruct::ConvertSurfaceToBSpline(surf,U1,U2,V1,V2,Precision::Approximation(),
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cnt,10000,15);
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}
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if(S->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) ) {
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Handle(Geom_RectangularTrimmedSurface) RTS =
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Handle(Geom_RectangularTrimmedSurface)::DownCast ( S );
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Standard_Real UF, UL, VF, VL;
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RTS->Bounds ( UF, UL, VF, VL );
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S = new Geom_RectangularTrimmedSurface ( res, UF, UL, VF, VL );
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}
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else
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S = res;
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SendMsg( F, Message_Msg("ConvertToBSpline.NewSurface.MSG0"));
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Tol = BRep_Tool::Tolerance(F);
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RevWires = Standard_False;
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RevFace = Standard_False;
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return Standard_True;
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}
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//=======================================================================
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//function : NewCurve
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeCustom_ConvertToBSpline::NewCurve (const TopoDS_Edge& E,
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Handle(Geom_Curve)& C,
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TopLoc_Location& L,
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Standard_Real& Tol)
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{
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//:p5 abv 26 Feb 99: force copying of edge if any its pcurve will be replaced
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Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
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// iterate on pcurves
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BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves());
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for ( ; itcr.More(); itcr.Next() ) {
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Handle(BRep_GCurve) GC = Handle(BRep_GCurve)::DownCast(itcr.Value());
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if ( GC.IsNull() || ! GC->IsCurveOnSurface() ) continue;
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Handle(Geom_Surface) S = GC->Surface();
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Handle(Geom_Surface) ES;
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if ( ! IsToConvert ( S, ES ) ) continue;
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Standard_Real f, l;
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C = BRep_Tool::Curve ( E, L, f, l );
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if ( ! C.IsNull() ) C = Handle(Geom_Curve)::DownCast ( C->Copy() );
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Tol = BRep_Tool::Tolerance ( E );
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SendMsg( E, Message_Msg("ConvertToBSpline.NewCurve.MSG0"));
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return Standard_True;
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}
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return Standard_False;
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}
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//=======================================================================
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//function : NewPoint
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeCustom_ConvertToBSpline::NewPoint (const TopoDS_Vertex& /*V*/,
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gp_Pnt& /*P*/, Standard_Real& /*Tol*/)
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{
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return Standard_False;
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}
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//=======================================================================
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//function : NewCurve2d
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeCustom_ConvertToBSpline::NewCurve2d (const TopoDS_Edge& E,
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const TopoDS_Face& F,
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const TopoDS_Edge& NewE,
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const TopoDS_Face& /*NewF*/,
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Handle(Geom2d_Curve)& C,
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Standard_Real& Tol)
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{
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TopLoc_Location L;
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Handle(Geom_Surface) S = BRep_Tool::Surface(F,L);
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Handle(Geom_Surface) ES;
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// just copy pcurve if either its surface is changing or edge was copied
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if ( ! IsToConvert ( S, ES ) && E.IsSame ( NewE ) ) return Standard_False;
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Standard_Real f, l;
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C = BRep_Tool::CurveOnSurface(E,F,f,l);
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if ( ! C.IsNull() )
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C = Handle(Geom2d_Curve)::DownCast ( C->Copy() );
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Tol = BRep_Tool::Tolerance ( E );
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return Standard_True;
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}
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//=======================================================================
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//function : NewParameter
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeCustom_ConvertToBSpline::NewParameter (const TopoDS_Vertex& /*V*/,
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const TopoDS_Edge& /*E*/,
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Standard_Real& /*P*/,
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Standard_Real& /*Tol*/)
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{
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return Standard_False;
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}
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//=======================================================================
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//function : Continuity
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//purpose :
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//=======================================================================
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GeomAbs_Shape ShapeCustom_ConvertToBSpline::Continuity (const TopoDS_Edge& E,
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const TopoDS_Face& F1,
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const TopoDS_Face& F2,
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const TopoDS_Edge& /*NewE*/,
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const TopoDS_Face& /*NewF1*/,
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const TopoDS_Face& /*NewF2*/)
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{
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return BRep_Tool::Continuity(E,F1,F2);
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}
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void ShapeCustom_ConvertToBSpline::SetExtrusionMode(const Standard_Boolean extrMode)
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{
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myExtrMode = extrMode;
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}
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void ShapeCustom_ConvertToBSpline::SetRevolutionMode(const Standard_Boolean revolMode)
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{
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myRevolMode = revolMode;
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}
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void ShapeCustom_ConvertToBSpline::SetOffsetMode(const Standard_Boolean offsetMode)
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{
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myOffsetMode = offsetMode;
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}
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void ShapeCustom_ConvertToBSpline::SetPlaneMode(const Standard_Boolean planeMode)
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{
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myPlaneMode = planeMode;
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}
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