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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
// Created on: 1997-03-03
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// Created by: Xavier BENVENISTE
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// Copyright (c) 1997-1999 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 _BSplCLib_EvaluatorFunction_HeaderFile
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#define _BSplCLib_EvaluatorFunction_HeaderFile
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#ifndef _Standard_Integer_HeaderFile
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#include <Standard_Integer.hxx>
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#endif
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#ifndef _Standard_Real_HeaderFile
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#include <Standard_Real.hxx>
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#endif
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#ifndef _Standard_PrimitiveTypes_HeaderFile
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#include <Standard_PrimitiveTypes.hxx>
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#endif
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// History - C function pointer converted to a virtual class
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// in order to get rid of usage of static functions and static data
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class BSplCLib_EvaluatorFunction
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{
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public:
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//! Empty constructor
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BSplCLib_EvaluatorFunction () {}
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//! Destructor should be declared as virtual
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virtual ~BSplCLib_EvaluatorFunction () {}
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//! Function evaluation method to be defined by descendant
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virtual void Evaluate (const Standard_Integer theDerivativeRequest,
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const Standard_Real* theStartEnd,
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const Standard_Real theParameter,
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Standard_Real& theResult,
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Standard_Integer& theErrorCode) const = 0;
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//! Shortcut for function-call style usage
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void operator () (const Standard_Integer theDerivativeRequest,
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const Standard_Real* theStartEnd,
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const Standard_Real theParameter,
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Standard_Real& theResult,
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Standard_Integer& theErrorCode) const
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{
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Evaluate (theDerivativeRequest, theStartEnd, theParameter, theResult, theErrorCode);
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}
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private:
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//! Copy constructor is declared private to forbid copying
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BSplCLib_EvaluatorFunction (const BSplCLib_EvaluatorFunction&) {}
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//! Assignment operator is declared private to forbid copying
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void operator = (const BSplCLib_EvaluatorFunction&) {}
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};
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#endif
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