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200 lines
6.9 KiB
C++
200 lines
6.9 KiB
C++
// Created on: 1993-07-12
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// Created by: Remi LEQUETTE
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// Copyright (c) 1993-1999 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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#ifndef _BRepLib_MakeFace_HeaderFile
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#define _BRepLib_MakeFace_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <BRepLib_FaceError.hxx>
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#include <BRepLib_MakeShape.hxx>
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class TopoDS_Face;
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class gp_Pln;
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class gp_Cylinder;
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class gp_Cone;
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class gp_Sphere;
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class gp_Torus;
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class Geom_Surface;
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class TopoDS_Wire;
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class Geom_Curve;
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//! Provides methods to build faces.
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//!
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//! A face may be built :
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//!
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//! * From a surface.
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//!
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//! - Elementary surface from gp.
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//!
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//! - Surface from Geom.
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//!
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//! * From a surface and U,V values.
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//!
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//! * From a wire.
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//!
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//! - Find the surface automatically if possible.
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//!
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//! * From a surface and a wire.
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//!
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//! - A flag Inside is given, when this flag is True
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//! the wire is oriented to bound a finite area on
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//! the surface.
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//!
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//! * From a face and a wire.
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//!
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//! - The new wire is a perforation.
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class BRepLib_MakeFace : public BRepLib_MakeShape
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Not done.
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Standard_EXPORT BRepLib_MakeFace();
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//! Load a face. Useful to add wires.
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Standard_EXPORT BRepLib_MakeFace(const TopoDS_Face& F);
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//! Make a face from a plane.
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Standard_EXPORT BRepLib_MakeFace(const gp_Pln& P);
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//! Make a face from a cylinder.
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Standard_EXPORT BRepLib_MakeFace(const gp_Cylinder& C);
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//! Make a face from a cone.
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Standard_EXPORT BRepLib_MakeFace(const gp_Cone& C);
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//! Make a face from a sphere.
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Standard_EXPORT BRepLib_MakeFace(const gp_Sphere& S);
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//! Make a face from a torus.
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Standard_EXPORT BRepLib_MakeFace(const gp_Torus& C);
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//! Make a face from a Surface. Accepts tolerance value (TolDegen)
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//! for resolution of degenerated edges.
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Standard_EXPORT BRepLib_MakeFace(const Handle(Geom_Surface)& S, const Standard_Real TolDegen);
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//! Make a face from a plane.
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Standard_EXPORT BRepLib_MakeFace(const gp_Pln& P, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax);
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//! Make a face from a cylinder.
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Standard_EXPORT BRepLib_MakeFace(const gp_Cylinder& C, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax);
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//! Make a face from a cone.
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Standard_EXPORT BRepLib_MakeFace(const gp_Cone& C, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax);
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//! Make a face from a sphere.
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Standard_EXPORT BRepLib_MakeFace(const gp_Sphere& S, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax);
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//! Make a face from a torus.
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Standard_EXPORT BRepLib_MakeFace(const gp_Torus& C, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax);
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//! Make a face from a Surface. Accepts min & max parameters
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//! to construct the face's bounds. Also accepts tolerance value (TolDegen)
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//! for resolution of degenerated edges.
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Standard_EXPORT BRepLib_MakeFace(const Handle(Geom_Surface)& S, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax, const Standard_Real TolDegen);
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//! Find a surface from the wire and make a face.
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//! if <OnlyPlane> is true, the computed surface will be
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//! a plane. If it is not possible to find a plane, the
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//! flag NotDone will be set.
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Standard_EXPORT BRepLib_MakeFace(const TopoDS_Wire& W, const Standard_Boolean OnlyPlane = Standard_False);
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//! Make a face from a plane and a wire.
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Standard_EXPORT BRepLib_MakeFace(const gp_Pln& P, const TopoDS_Wire& W, const Standard_Boolean Inside = Standard_True);
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//! Make a face from a cylinder and a wire.
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Standard_EXPORT BRepLib_MakeFace(const gp_Cylinder& C, const TopoDS_Wire& W, const Standard_Boolean Inside = Standard_True);
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//! Make a face from a cone and a wire.
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Standard_EXPORT BRepLib_MakeFace(const gp_Cone& C, const TopoDS_Wire& W, const Standard_Boolean Inside = Standard_True);
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//! Make a face from a sphere and a wire.
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Standard_EXPORT BRepLib_MakeFace(const gp_Sphere& S, const TopoDS_Wire& W, const Standard_Boolean Inside = Standard_True);
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//! Make a face from a torus and a wire.
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Standard_EXPORT BRepLib_MakeFace(const gp_Torus& C, const TopoDS_Wire& W, const Standard_Boolean Inside = Standard_True);
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//! Make a face from a Surface and a wire.
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Standard_EXPORT BRepLib_MakeFace(const Handle(Geom_Surface)& S, const TopoDS_Wire& W, const Standard_Boolean Inside = Standard_True);
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//! Adds the wire <W> in the face <F>
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Standard_EXPORT BRepLib_MakeFace(const TopoDS_Face& F, const TopoDS_Wire& W);
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//! Load the face.
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Standard_EXPORT void Init (const TopoDS_Face& F);
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//! Creates the face from the surface. If Bound is
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//! True a wire is made from the natural bounds.
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//! Accepts tolerance value (TolDegen) for resolution
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//! of degenerated edges.
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Standard_EXPORT void Init (const Handle(Geom_Surface)& S, const Standard_Boolean Bound, const Standard_Real TolDegen);
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//! Creates the face from the surface and the min-max
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//! values. Accepts tolerance value (TolDegen) for resolution
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//! of degenerated edges.
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Standard_EXPORT void Init (const Handle(Geom_Surface)& S, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax, const Standard_Real TolDegen);
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//! Adds the wire <W> in the current face.
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Standard_EXPORT void Add (const TopoDS_Wire& W);
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Standard_EXPORT BRepLib_FaceError Error() const;
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//! Returns the new face.
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Standard_EXPORT const TopoDS_Face& Face() const;
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Standard_EXPORT operator TopoDS_Face() const;
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//! Checks the specified curve is degenerated
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//! according to specified tolerance.
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//! Returns <theActTol> less than <theMaxTol>, which shows
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//! actual tolerance to decide the curve is degenerated.
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//! Warning: For internal use of BRepLib_MakeFace and BRepLib_MakeShell.
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Standard_EXPORT static Standard_Boolean IsDegenerated (const Handle(Geom_Curve)& theCurve, const Standard_Real theMaxTol, Standard_Real& theActTol);
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protected:
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private:
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//! Reorient the current face if the boundary is not
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//! finite.
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Standard_EXPORT void CheckInside();
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BRepLib_FaceError myError;
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};
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#endif // _BRepLib_MakeFace_HeaderFile
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