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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
121 lines
4.3 KiB
C++
121 lines
4.3 KiB
C++
// Created on: 1998-07-14
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// Created by: data exchange team
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// Copyright (c) 1998-1999 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 _ShapeConstruct_Curve_HeaderFile
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#define _ShapeConstruct_Curve_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 <Standard_Real.hxx>
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#include <TColStd_HArray1OfReal.hxx>
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#include <TColStd_Array1OfReal.hxx>
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class Geom_Curve;
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class gp_Pnt;
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class Geom2d_Curve;
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class gp_Pnt2d;
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class Geom_BSplineCurve;
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class Geom2d_BSplineCurve;
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//! Adjusts curve to have start and end points at the given
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//! points (currently works on lines and B-Splines only)
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class ShapeConstruct_Curve
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Modifies a curve in order to make its bounds confused with
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//! given points.
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//! Works only on lines and B-Splines, returns True in this case,
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//! else returns False.
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//! For line considers both bounding points, for B-Splines only
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//! specified.
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//!
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//! Warning : Does not check if curve should be reversed
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Standard_EXPORT Standard_Boolean AdjustCurve (const Handle(Geom_Curve)& C3D, const gp_Pnt& P1, const gp_Pnt& P2, const Standard_Boolean take1 = Standard_True, const Standard_Boolean take2 = Standard_True) const;
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//! Modifies a curve in order to make its bounds confused with
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//! given points.
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//! Works only on lines and B-Splines.
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//!
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//! For lines works as previous method, B-Splines are segmented
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//! at the given values and then are adjusted to the points.
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Standard_EXPORT Standard_Boolean AdjustCurveSegment (const Handle(Geom_Curve)& C3D, const gp_Pnt& P1, const gp_Pnt& P2, const Standard_Real U1, const Standard_Real U2) const;
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//! Modifies a curve in order to make its bounds confused with
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//! given points.
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//! Works only on lines and B-Splines, returns True in this case,
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//! else returns False.
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//!
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//! For line considers both bounding points, for B-Splines only
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//! specified.
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//!
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//! Warning : Does not check if curve should be reversed
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Standard_EXPORT Standard_Boolean AdjustCurve2d (const Handle(Geom2d_Curve)& C2D, const gp_Pnt2d& P1, const gp_Pnt2d& P2, const Standard_Boolean take1 = Standard_True, const Standard_Boolean take2 = Standard_True) const;
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//! Converts a curve of any type (only part from first to last)
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//! to bspline. The method of conversion depends on the type
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//! of original curve:
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//! BSpline -> C.Segment(first,last)
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//! Bezier and Line -> GeomConvert::CurveToBSplineCurve(C).Segment(first,last)
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//! Conic and Other -> Approx_Curve3d(C[first,last],prec,C1,9,1000)
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Standard_EXPORT Handle(Geom_BSplineCurve) ConvertToBSpline (const Handle(Geom_Curve)& C, const Standard_Real first, const Standard_Real last, const Standard_Real prec) const;
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//! Converts a curve of any type (only part from first to last)
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//! to bspline. The method of conversion depends on the type
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//! of original curve:
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//! BSpline -> C.Segment(first,last)
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//! Bezier and Line -> GeomConvert::CurveToBSplineCurve(C).Segment(first,last)
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//! Conic and Other -> Approx_Curve2d(C[first,last],prec,C1,9,1000)
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Standard_EXPORT Handle(Geom2d_BSplineCurve) ConvertToBSpline (const Handle(Geom2d_Curve)& C, const Standard_Real first, const Standard_Real last, const Standard_Real prec) const;
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Standard_EXPORT static Standard_Boolean FixKnots (Handle(TColStd_HArray1OfReal)& knots);
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//! Fix bspline knots to ensure that there is enough
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//! gap between neighbouring values
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//! Returns True if something fixed (by shifting knot)
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Standard_EXPORT static Standard_Boolean FixKnots (TColStd_Array1OfReal& knots);
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protected:
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private:
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};
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#endif // _ShapeConstruct_Curve_HeaderFile
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