include/opencascade/ShapeUpgrade_SplitCurve.hxx

0001 // Created on: 1998-03-12
0002 // Created by: Pierre BARRAS
0003 // Copyright (c) 1998-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _ShapeUpgrade_SplitCurve_HeaderFile
0018 #define _ShapeUpgrade_SplitCurve_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <TColStd_HSequenceOfReal.hxx>
0024 #include <Standard_Integer.hxx>
0025 #include <Standard_Transient.hxx>
0026 #include <ShapeExtend_Status.hxx>
0027
0028 // resolve name collisions with X11 headers
0029 #ifdef Status
0030   #undef Status
0031 #endif
0032
0033 class ShapeUpgrade_SplitCurve;
0034 DEFINE_STANDARD_HANDLE(ShapeUpgrade_SplitCurve, Standard_Transient)
0035
0036 //! Splits a  curve with a  criterion.
0037 class ShapeUpgrade_SplitCurve : public Standard_Transient
0038 {
0039
0040 public:
0041
0042
0043   //! Empty constructor.
0044   Standard_EXPORT ShapeUpgrade_SplitCurve();
0045
0046   //! Initializes with curve first and last parameters.
0047   Standard_EXPORT void Init (const Standard_Real First, const Standard_Real Last);
0048
0049   //! Sets the parameters where splitting has to be done.
0050   Standard_EXPORT void SetSplitValues (const Handle(TColStd_HSequenceOfReal)& SplitValues);
0051
0052   //! If Segment is True, the result is composed with
0053   //! segments of the curve bounded by the SplitValues.  If
0054   //! Segment is False, the result is composed with trimmed
0055   //! Curves all based on the same complete curve.
0056   Standard_EXPORT virtual void Build (const Standard_Boolean Segment);
0057
0058   //! returns all the splitting values including the
0059   //! First and Last parameters of the input curve
0060   //! Merges input split values and new ones into myGlobalKnots
0061   Standard_EXPORT const Handle(TColStd_HSequenceOfReal)& SplitValues() const;
0062
0063   //! Calculates points for correction/splitting of the curve
0064   Standard_EXPORT virtual void Compute();
0065
0066   //! Performs correction/splitting of the curve.
0067   //! First defines splitting values by method Compute(), then calls method Build().
0068   Standard_EXPORT void Perform (const Standard_Boolean Segment = Standard_True);
0069
0070   //! Returns the status
0071   //! OK    - no splitting is needed
0072   //! DONE1 - splitting required and gives more than one segment
0073   //! DONE2 - splitting is required, but gives only one segment (initial)
0074   //! DONE3 - geometric form of the curve or parametrisation is modified
0075   Standard_EXPORT Standard_Boolean Status (const ShapeExtend_Status status) const;
0076
0077
0078
0079
0080   DEFINE_STANDARD_RTTIEXT(ShapeUpgrade_SplitCurve,Standard_Transient)
0081
0082 protected:
0083
0084
0085   Handle(TColStd_HSequenceOfReal) mySplitValues;
0086   Standard_Integer myNbCurves;
0087   Standard_Integer myStatus;
0088
0089
0090 private:
0091
0092
0093
0094
0095 };
0096
0097
0098
0099
0100
0101
0102
0103 #endif // _ShapeUpgrade_SplitCurve_HeaderFile