include/opencascade/TopOpeBRepBuild_CompositeClassifier.hxx

0001 // Created on: 1996-01-05
0002 // Created by: Jean Yves LEBEY
0003 // Copyright (c) 1996-1999 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 _TopOpeBRepBuild_CompositeClassifier_HeaderFile
0018 #define _TopOpeBRepBuild_CompositeClassifier_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopOpeBRepBuild_LoopClassifier.hxx>
0025 #include <TopAbs_State.hxx>
0026 class TopOpeBRepBuild_BlockBuilder;
0027 class TopOpeBRepBuild_Loop;
0028 class TopoDS_Shape;
0029
0030
0031
0032 //! classify composite Loops, i.e, loops that can be either a Shape, or
0033 //! a block of Elements.
0034 class TopOpeBRepBuild_CompositeClassifier  : public TopOpeBRepBuild_LoopClassifier
0035 {
0036 public:
0037
0038   DEFINE_STANDARD_ALLOC
0039
0040
0041   Standard_EXPORT virtual TopAbs_State Compare (const Handle(TopOpeBRepBuild_Loop)& L1, const Handle(TopOpeBRepBuild_Loop)& L2) Standard_OVERRIDE;
0042
0043   //! classify shape <B1> with shape <B2>
0044   Standard_EXPORT virtual TopAbs_State CompareShapes (const TopoDS_Shape& B1, const TopoDS_Shape& B2) = 0;
0045
0046   //! classify element <E> with shape <B>
0047   Standard_EXPORT virtual TopAbs_State CompareElementToShape (const TopoDS_Shape& E, const TopoDS_Shape& B) = 0;
0048
0049   //! prepare classification involving shape <B>
0050   //! calls ResetElement on first element of <B>
0051   Standard_EXPORT virtual void ResetShape (const TopoDS_Shape& B) = 0;
0052
0053   //! prepare classification involving element <E>.
0054   Standard_EXPORT virtual void ResetElement (const TopoDS_Shape& E) = 0;
0055
0056   //! Add element <E> in the set of elements used in classification.
0057   //! Returns FALSE if the element <E> has been already added to the set of elements,
0058   //! otherwise returns TRUE.
0059   Standard_EXPORT virtual Standard_Boolean CompareElement (const TopoDS_Shape& E) = 0;
0060
0061   //! Returns state of classification of 2D point, defined by
0062   //! ResetElement, with the current set of elements, defined by Compare.
0063   Standard_EXPORT virtual TopAbs_State State() = 0;
0064
0065
0066
0067
0068 protected:
0069
0070
0071   Standard_EXPORT TopOpeBRepBuild_CompositeClassifier(const TopOpeBRepBuild_BlockBuilder& BB);
0072
0073
0074   Standard_Address myBlockBuilder;
0075
0076
0077 private:
0078
0079
0080
0081
0082
0083 };
0084
0085
0086
0087
0088
0089
0090
0091 #endif // _TopOpeBRepBuild_CompositeClassifier_HeaderFile