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occt/src/Units/Units_ShiftedToken.hxx
abv 92efcf78a6 0026936: Drawbacks of inlining in new type system in OCCT 7.0 -- automatic
Automatic restore of IMPLEMENT_STANDARD_RTTIEXT macro (upgrade -rtti)
2015-12-04 14:15:06 +03:00

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// Created on: 1992-11-05
// Created by: Gilles DEBARBOUILLE
// Copyright (c) 1992-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _Units_ShiftedToken_HeaderFile
#define _Units_ShiftedToken_HeaderFile
#include <Standard.hxx>
#include <Standard_Type.hxx>
#include <Standard_Real.hxx>
#include <Units_Token.hxx>
#include <Standard_CString.hxx>
#include <Standard_Integer.hxx>
class Units_Dimensions;
class Units_Token;
class Units_ShiftedToken;
DEFINE_STANDARD_HANDLE(Units_ShiftedToken, Units_Token)
//! The ShiftedToken class inherits from Token and
//! describes tokens which have a gap in addition of
//! the multiplicative factor. This kind of token
//! allows the description of linear functions which
//! do not pass through the origin, of the form :
//!
//! y = ax +b
//!
//! where <x> and <y> are the unknown variables, <a>
//! the mutiplicative factor, and <b> the gap relative
//! to the ordinate axis.
//!
//! An example is the tranlation between the Celsius
//! and Fahrenheit degree of temperature.
class Units_ShiftedToken : public Units_Token
{
public:
//! Creates and returns a shifted token. <aword> is a
//! string containing the available word, <amean> gives
//! the signification of the token, <avalue> is the
//! numeric value of the dimension, <amove> is the gap,
//! and <adimensions> is the dimension of the given word
//! <aword>.
Standard_EXPORT Units_ShiftedToken(const Standard_CString aword, const Standard_CString amean, const Standard_Real avalue, const Standard_Real amove, const Handle(Units_Dimensions)& adimensions);
//! Creates and returns a token, which is a ShiftedToken.
Standard_EXPORT virtual Handle(Units_Token) Creates() const Standard_OVERRIDE;
//! Returns the gap <themove>
Standard_EXPORT Standard_Real Move() const;
//! This virtual method is called by the Measurement
//! methods, to compute the measurement during a
//! conversion.
Standard_EXPORT virtual Standard_Real Multiplied (const Standard_Real avalue) const Standard_OVERRIDE;
//! This virtual method is called by the Measurement
//! methods, to compute the measurement during a
//! conversion.
Standard_EXPORT virtual Standard_Real Divided (const Standard_Real avalue) const Standard_OVERRIDE;
//! Destroies the Token
Standard_EXPORT virtual void Destroy() Standard_OVERRIDE;
~Units_ShiftedToken()
{
Destroy();
}
Standard_EXPORT virtual void Dump (const Standard_Integer ashift, const Standard_Integer alevel) const Standard_OVERRIDE;
DEFINE_STANDARD_RTTIEXT(Units_ShiftedToken,Units_Token)
protected:
private:
Standard_Real themove;
};
#endif // _Units_ShiftedToken_HeaderFile