159 lines
6.8 KiB
C++
159 lines
6.8 KiB
C++
// Created on: 1996-06-11
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// Created by: Jacques GOUSSARD
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// Copyright (c) 1996-1999 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 _LocOpe_CSIntersector_HeaderFile
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#define _LocOpe_CSIntersector_HeaderFile
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#include "Standard.hxx"
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#include "Standard_DefineAlloc.hxx"
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#include "TopoDS_Shape.hxx"
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#include "Standard_Integer.hxx"
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#include "LocOpe_SequenceOfLin.hxx"
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#include "LocOpe_SequenceOfCirc.hxx"
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#include "TColGeom_SequenceOfCurve.hxx"
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#include "TopAbs_Orientation.hxx"
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class LocOpe_PntFace;
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//! This class provides the intersection between a set
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//! of axis or a circle and the faces of a shape. The
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//! intersection points are sorted in increasing
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//! parameter along each axis or circle.
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class LocOpe_CSIntersector
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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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LocOpe_CSIntersector();
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//! Creates and performs the intersection between
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//! <Ax1> and <S>.
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LocOpe_CSIntersector(const TopoDS_Shape& S);
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//! Performs the intersection between <Ax1 and <S>.
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Standard_EXPORT void Init(const TopoDS_Shape& S);
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Standard_EXPORT void Perform(const LocOpe_SequenceOfLin& Slin);
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Standard_EXPORT void Perform(const LocOpe_SequenceOfCirc& Scir);
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Standard_EXPORT void Perform(const TColGeom_SequenceOfCurve& Scur);
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//! Returns <Standard_True> if the intersection has
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//! been done.
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Standard_Boolean IsDone() const;
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//! Returns the number of intersection point on the
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//! element of range <I>.
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Standard_EXPORT Standard_Integer NbPoints(const Standard_Integer I) const;
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//! Returns the intersection point of range <Index> on
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//! element of range <I>. The points are sorted in
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//! increasing order of parameter along the axis.
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Standard_EXPORT const LocOpe_PntFace& Point(const Standard_Integer I,
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const Standard_Integer Index) const;
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//! On the element of range <I>, searches the first
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//! intersection point located after the parameter
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//! <From>, which orientation is not TopAbs_EXTERNAL.
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//! If found, returns <Standard_True>. <Or> contains
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//! the orientation of the point, <IndFrom> and
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//! <IndTo> represents the interval of index in the
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//! sequence of intersection point corresponding to
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//! the point. (IndFrom <= IndTo). <Tol> is used to
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//! determine if 2 parameters are equal.
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//!
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//! Otherwise, returns <Standard_False>.
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Standard_EXPORT Standard_Boolean LocalizeAfter(const Standard_Integer I,
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const Standard_Real From,
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const Standard_Real Tol,
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TopAbs_Orientation& Or,
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Standard_Integer& IndFrom,
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Standard_Integer& IndTo) const;
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//! On the element of range <I>, searches the first
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//! intersection point located before the parameter
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//! <From>, which orientation is not TopAbs_EXTERNAL.
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//! If found, returns <Standard_True>. <Or> contains
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//! the orientation of the point, <IndFrom> and
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//! <IndTo> represents the interval of index in the
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//! sequence of intersection point corresponding to
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//! the point (IndFrom <= IndTo). <Tol> is used to
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//! determine if 2 parameters are equal.
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//!
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//! Otherwise, returns <Standard_False>.
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Standard_EXPORT Standard_Boolean LocalizeBefore(const Standard_Integer I,
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const Standard_Real From,
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const Standard_Real Tol,
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TopAbs_Orientation& Or,
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Standard_Integer& IndFrom,
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Standard_Integer& IndTo) const;
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//! On the element of range <I>, searches the first
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//! intersection point located after the index
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//! <FromInd> ( >= FromInd + 1), which orientation is
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//! not TopAbs_EXTERNAL. If found, returns
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//! <Standard_True>. <Or> contains the orientation of
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//! the point, <IndFrom> and <IndTo> represents the
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//! interval of index in the sequence of intersection
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//! point corresponding to the point. (IndFrom <=
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//! IndTo). <Tol> is used to determine if 2 parameters
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//! are equal.
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//!
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//! Otherwise, returns <Standard_False>.
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Standard_EXPORT Standard_Boolean LocalizeAfter(const Standard_Integer I,
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const Standard_Integer FromInd,
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const Standard_Real Tol,
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TopAbs_Orientation& Or,
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Standard_Integer& IndFrom,
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Standard_Integer& IndTo) const;
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//! On the element of range <I>, searches the first
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//! intersection point located before the index
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//! <FromInd> ( <= FromInd -1), which orientation is
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//! not TopAbs_EXTERNAL. If found, returns
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//! <Standard_True>. <Or> contains the orientation of
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//! the point, <IndFrom> and <IndTo> represents the
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//! interval of index in the sequence of intersection
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//! point corresponding to the point (IndFrom <=
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//! IndTo). <Tol> is used to determine if 2 parameters
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//! are equal.
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//!
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//! Otherwise, returns <Standard_False>.
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Standard_EXPORT Standard_Boolean LocalizeBefore(const Standard_Integer I,
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const Standard_Integer FromInd,
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const Standard_Real Tol,
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TopAbs_Orientation& Or,
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Standard_Integer& IndFrom,
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Standard_Integer& IndTo) const;
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Standard_EXPORT void Destroy();
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~LocOpe_CSIntersector() { Destroy(); }
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protected:
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private:
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Standard_Boolean myDone;
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TopoDS_Shape myShape;
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Standard_Address myPoints;
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Standard_Integer myNbelem;
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};
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#include "LocOpe_CSIntersector.lxx"
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#endif // _LocOpe_CSIntersector_HeaderFile
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