OpenCAX/entry/src/main/cpp/include/opencascade/ShapeCustom_ConvertToBSpline.hxx
2026-02-19 19:05:41 +08:00

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// Created on: 1999-06-17
// Created by: data exchange team
// Copyright (c) 1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _ShapeCustom_ConvertToBSpline_HeaderFile
#define _ShapeCustom_ConvertToBSpline_HeaderFile
#include "Standard.hxx"
#include "Standard_Type.hxx"
#include "ShapeCustom_Modification.hxx"
#include "GeomAbs_Shape.hxx"
class TopoDS_Face;
class Geom_Surface;
class TopLoc_Location;
class TopoDS_Edge;
class Geom_Curve;
class TopoDS_Vertex;
class gp_Pnt;
class Geom2d_Curve;
class ShapeCustom_ConvertToBSpline;
DEFINE_STANDARD_HANDLE(ShapeCustom_ConvertToBSpline, ShapeCustom_Modification)
//! implement a modification for BRepTools
//! Modifier algorithm. Converts Surface of
//! Linear Exctrusion, Revolution and Offset
//! surfaces into BSpline Surface according to
//! flags.
class ShapeCustom_ConvertToBSpline : public ShapeCustom_Modification
{
public:
Standard_EXPORT ShapeCustom_ConvertToBSpline();
//! Sets mode for conversion of Surfaces of Linear
//! extrusion.
Standard_EXPORT void SetExtrusionMode(const Standard_Boolean extrMode);
//! Sets mode for conversion of Surfaces of Revolution.
Standard_EXPORT void SetRevolutionMode(const Standard_Boolean revolMode);
//! Sets mode for conversion of Offset surfaces.
Standard_EXPORT void SetOffsetMode(const Standard_Boolean offsetMode);
//! Sets mode for conversion of Plane surfaces.
Standard_EXPORT void SetPlaneMode(const Standard_Boolean planeMode);
//! Returns Standard_True if the face <F> has been
//! modified. In this case, <S> is the new geometric
//! support of the face, <L> the new location, <Tol>
//! the new tolerance. Otherwise, returns
//! Standard_False, and <S>, <L>, <Tol> are not
//! significant.
Standard_EXPORT Standard_Boolean NewSurface(const TopoDS_Face& F,
Handle(Geom_Surface)& S,
TopLoc_Location& L,
Standard_Real& Tol,
Standard_Boolean& RevWires,
Standard_Boolean& RevFace) Standard_OVERRIDE;
//! Returns Standard_True if the edge <E> has been
//! modified. In this case, <C> is the new geometric
//! support of the edge, <L> the new location, <Tol>
//! the new tolerance. Otherwise, returns
//! Standard_False, and <C>, <L>, <Tol> are not
//! significant.
Standard_EXPORT Standard_Boolean NewCurve(const TopoDS_Edge& E,
Handle(Geom_Curve)& C,
TopLoc_Location& L,
Standard_Real& Tol) Standard_OVERRIDE;
//! Returns Standard_True if the vertex <V> has been
//! modified. In this case, <P> is the new geometric
//! support of the vertex, <Tol> the new tolerance.
//! Otherwise, returns Standard_False, and <P>, <Tol>
//! are not significant.
Standard_EXPORT Standard_Boolean NewPoint(const TopoDS_Vertex& V,
gp_Pnt& P,
Standard_Real& Tol) Standard_OVERRIDE;
//! Returns Standard_True if the edge <E> has a new
//! curve on surface on the face <F>.In this case, <C>
//! is the new geometric support of the edge, <L> the
//! new location, <Tol> the new tolerance.
//!
//! Otherwise, returns Standard_False, and <C>, <L>,
//! <Tol> are not significant.
//!
//! <NewE> is the new edge created from <E>. <NewF>
//! is the new face created from <F>. They may be useful.
Standard_EXPORT Standard_Boolean NewCurve2d(const TopoDS_Edge& E,
const TopoDS_Face& F,
const TopoDS_Edge& NewE,
const TopoDS_Face& NewF,
Handle(Geom2d_Curve)& C,
Standard_Real& Tol) Standard_OVERRIDE;
//! Returns Standard_True if the Vertex <V> has a new
//! parameter on the edge <E>. In this case, <P> is
//! the parameter, <Tol> the new tolerance.
//! Otherwise, returns Standard_False, and <P>, <Tol>
//! are not significant.
Standard_EXPORT Standard_Boolean NewParameter(const TopoDS_Vertex& V,
const TopoDS_Edge& E,
Standard_Real& P,
Standard_Real& Tol) Standard_OVERRIDE;
//! Returns the continuity of <NewE> between <NewF1>
//! and <NewF2>.
//!
//! <NewE> is the new edge created from <E>. <NewF1>
//! (resp. <NewF2>) is the new face created from <F1>
//! (resp. <F2>).
Standard_EXPORT GeomAbs_Shape Continuity(const TopoDS_Edge& E,
const TopoDS_Face& F1,
const TopoDS_Face& F2,
const TopoDS_Edge& NewE,
const TopoDS_Face& NewF1,
const TopoDS_Face& NewF2) Standard_OVERRIDE;
DEFINE_STANDARD_RTTIEXT(ShapeCustom_ConvertToBSpline, ShapeCustom_Modification)
protected:
private:
Standard_EXPORT Standard_Boolean IsToConvert(const Handle(Geom_Surface)& S,
Handle(Geom_Surface)& SS) const;
Standard_Boolean myExtrMode;
Standard_Boolean myRevolMode;
Standard_Boolean myOffsetMode;
Standard_Boolean myPlaneMode;
};
#endif // _ShapeCustom_ConvertToBSpline_HeaderFile