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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
// Created on: 1994-03-30
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// Created by: Laurent BUCHARD
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// Copyright (c) 1994-1999 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 _TopClass_Intersection3d_HeaderFile
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#define _TopClass_Intersection3d_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 <Standard_Real.hxx>
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#include <Standard_Boolean.hxx>
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#include <TopAbs_State.hxx>
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class gp_Lin;
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class TopoDS_Face;
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class IntCurveSurface_IntersectionPoint;
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//! Template class for the intersection algorithm required
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//! by the 3D classifications.
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//!
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//! (a intersection point near the origin of the line, ie.
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//! at a distance less or equal than <tolerance>, will be
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//! returned even if it has a negative parameter.)
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class TopClass_Intersection3d
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Perform the intersection between the
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//! segment L(0) ... L(Prm) and the Face <Face>.
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//!
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//! Only the point with the smallest parameter on the
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//! line is returned.
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//!
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//! The Tolerance <Tol> is used to determine if the
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//! first point of the segment is near the face. In
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//! that case, the parameter of the intersection point
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//! on the line can be a negative value (greater than -Tol).
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Standard_EXPORT virtual void Perform (const gp_Lin& L, const Standard_Real Prm, const Standard_Real Tol, const TopoDS_Face& Face) = 0;
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//! True is returned when the intersection have been computed.
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Standard_EXPORT virtual Standard_Boolean IsDone() const = 0;
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//! True is returned if a point has been found.
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Standard_EXPORT virtual Standard_Boolean HasAPoint() const = 0;
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//! Returns the Intersection Point.
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Standard_EXPORT virtual const IntCurveSurface_IntersectionPoint& Point() const = 0;
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//! Returns the state of the point on the face.
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//! The values can be either TopAbs_IN
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//! ( the point is in the face)
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//! or TopAbs_ON
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//! ( the point is on a boudary of the face).
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Standard_EXPORT virtual TopAbs_State State() const = 0;
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protected:
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//! Empty constructor.
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Standard_EXPORT TopClass_Intersection3d();
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private:
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};
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#endif // _TopClass_Intersection3d_HeaderFile
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