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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
135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
// Created on: 1992-04-03
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// Created by: Laurent BUCHARD
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// Copyright (c) 1992-1999 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 _IntRes2d_Transition_HeaderFile
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#define _IntRes2d_Transition_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_Boolean.hxx>
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#include <IntRes2d_Position.hxx>
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#include <IntRes2d_TypeTrans.hxx>
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#include <IntRes2d_Situation.hxx>
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class Standard_DomainError;
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//! Definition of the type of transition near an
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//! intersection point between two curves. The transition
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//! is either a "true transition", which means that one of
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//! the curves goes inside or outside the area defined by
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//! the other curve near the intersection, or a "touch
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//! transition" which means that the first curve does not
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//! cross the other one, or an "undecided" transition,
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//! which means that the curves are superposed.
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class IntRes2d_Transition
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Empty constructor.
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Standard_EXPORT IntRes2d_Transition();
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//! Creates an IN or OUT transition.
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IntRes2d_Transition(const Standard_Boolean Tangent, const IntRes2d_Position Pos, const IntRes2d_TypeTrans Type);
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//! Creates a TOUCH transition.
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IntRes2d_Transition(const Standard_Boolean Tangent, const IntRes2d_Position Pos, const IntRes2d_Situation Situ, const Standard_Boolean Oppos);
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//! Creates an UNDECIDED transition.
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IntRes2d_Transition(const IntRes2d_Position Pos);
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//! Sets the values of an IN or OUT transition.
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void SetValue (const Standard_Boolean Tangent, const IntRes2d_Position Pos, const IntRes2d_TypeTrans Type);
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//! Sets the values of a TOUCH transition.
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void SetValue (const Standard_Boolean Tangent, const IntRes2d_Position Pos, const IntRes2d_Situation Situ, const Standard_Boolean Oppos);
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//! Sets the values of an UNDECIDED transition.
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void SetValue (const IntRes2d_Position Pos);
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//! Sets the value of the position.
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void SetPosition (const IntRes2d_Position Pos);
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//! Indicates if the intersection is at the beginning
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//! (IntRes2d_Head), at the end (IntRes2d_End), or in
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//! the middle (IntRes2d_Middle) of the curve.
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IntRes2d_Position PositionOnCurve() const;
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//! Returns the type of transition at the intersection.
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//! It may be IN or OUT or TOUCH, or UNDECIDED if the
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//! two first derivatives are not enough to give
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//! the tangent to one of the two curves.
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IntRes2d_TypeTrans TransitionType() const;
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//! Returns TRUE when the 2 curves are tangent at the
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//! intersection point.
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//! Theexception DomainError is raised if the type of
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//! transition is UNDECIDED.
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Standard_Boolean IsTangent() const;
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//! returns a significant value if TransitionType returns
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//! TOUCH. In this case, the function returns :
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//! INSIDE when the curve remains inside the other one,
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//! OUTSIDE when it remains outside the other one,
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//! UNKNOWN when the calculus, based on the second derivatives
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//! cannot give the result.
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//! If TransitionType returns IN or OUT or UNDECIDED, the
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//! exception DomainError is raised.
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IntRes2d_Situation Situation() const;
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//! returns a significant value if TransitionType
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//! returns TOUCH. In this case, the function returns
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//! true when the 2 curves locally define two
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//! different parts of the space. If TransitionType
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//! returns IN or OUT or UNDECIDED, the exception
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//! DomainError is raised.
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Standard_Boolean IsOpposite() const;
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protected:
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private:
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Standard_Boolean tangent;
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IntRes2d_Position posit;
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IntRes2d_TypeTrans typetra;
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IntRes2d_Situation situat;
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Standard_Boolean oppos;
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};
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#include <IntRes2d_Transition.lxx>
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#endif // _IntRes2d_Transition_HeaderFile
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