include/opencascade/BRepFill_TrimSurfaceTool.hxx

0001 // Created on: 1994-10-21
0002 // Created by: Bruno DUMORTIER
0003 // Copyright (c) 1994-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _BRepFill_TrimSurfaceTool_HeaderFile
0018 #define _BRepFill_TrimSurfaceTool_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopoDS_Face.hxx>
0025 #include <TopoDS_Edge.hxx>
0026 #include <TColgp_SequenceOfPnt.hxx>
0027 #include <GeomAbs_Shape.hxx>
0028 class Geom2d_Curve;
0029 class gp_Pnt2d;
0030 class Geom_Curve;
0031
0032
0033 //! Compute the Pcurves and  the 3d curves resulting
0034 //! of the trimming of a face by an extruded surface.
0035 class BRepFill_TrimSurfaceTool
0036 {
0037 public:
0038
0039   DEFINE_STANDARD_ALLOC
0040
0041
0042   Standard_EXPORT BRepFill_TrimSurfaceTool(const Handle(Geom2d_Curve)& Bis, const TopoDS_Face& Face1, const TopoDS_Face& Face2, const TopoDS_Edge& Edge1, const TopoDS_Edge& Edge2, const Standard_Boolean Inv1, const Standard_Boolean Inv2);
0043
0044   //! Intersect <Bis>  with the  projection of the edges
0045   //! <EdgeOnFi> and returns the intersecting parameters
0046   //! on Bis and on the edges
0047   //! P.X() : Parameter on Bis
0048   //! P.Y() : Parameter on EdgeOnF1
0049   //! P.Z() : Parameter on EdgeOnF2
0050   //! raises if <Edge> is not a edge of Face1 or Face2.
0051   Standard_EXPORT void IntersectWith (const TopoDS_Edge& EdgeOnF1, const TopoDS_Edge& EdgeOnF2, TColgp_SequenceOfPnt& Points) const;
0052
0053   //! returns True if the Line (P, DZ) intersect the Faces
0054   Standard_EXPORT Standard_Boolean IsOnFace (const gp_Pnt2d& Point) const;
0055
0056   //! returns the parameter of the  point <Point> on the
0057   //! Edge <Edge>, assuming that the point is on the edge.
0058   Standard_EXPORT Standard_Real ProjOn (const gp_Pnt2d& Point, const TopoDS_Edge& Edge) const;
0059
0060   Standard_EXPORT void Project (const Standard_Real U1, const Standard_Real U2, Handle(Geom_Curve)& Curve, Handle(Geom2d_Curve)& PCurve1, Handle(Geom2d_Curve)& PCurve2, GeomAbs_Shape& myCont) const;
0061
0062
0063
0064
0065 protected:
0066
0067
0068
0069
0070
0071 private:
0072
0073
0074
0075   TopoDS_Face myFace1;
0076   TopoDS_Face myFace2;
0077   TopoDS_Edge myEdge1;
0078   TopoDS_Edge myEdge2;
0079   Standard_Boolean myInv1;
0080   Standard_Boolean myInv2;
0081   Handle(Geom2d_Curve) myBis;
0082
0083
0084 };
0085
0086
0087
0088
0089
0090
0091
0092 #endif // _BRepFill_TrimSurfaceTool_HeaderFile