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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
255 lines
8.5 KiB
C++
255 lines
8.5 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 <ShapeCustom_ConvertToBSpline.ixx>
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#include <Geom_RectangularTrimmedSurface.hxx>
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#include <Geom_OffsetSurface.hxx>
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#include <Geom_SurfaceOfLinearExtrusion.hxx>
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#include <Geom_SurfaceOfRevolution.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <Geom_Plane.hxx>
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#include <BRep_Tool.hxx>
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#include <ShapeConstruct.hxx>
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#include <Precision.hxx>
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#include <BRep_TEdge.hxx>
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#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
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#include <BRep_GCurve.hxx>
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#include <BRepTools.hxx>
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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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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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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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