transmission/qt/speed.h

36 lines
1.2 KiB
C++

/*
* This file Copyright (C) 2009-2010 Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id$
*/
#ifndef QTR_SPEED_H
#define QTR_SPEED_H
class Speed
{
private:
int _Bps;
Speed( int Bps ): _Bps(Bps) { }
public:
Speed( ): _Bps(0) { }
double KiBps( ) const { return _Bps/1024.0; }
int Bps( ) const { return _Bps; }
bool isZero( ) const { return _Bps == 0; }
static Speed fromKiBps( double KiBps ) { return Speed( KiBps*1024 ); }
static Speed fromBps( int Bps ) { return Speed( Bps ); }
void setKiBps( double KiBps ) { setBps( KiBps*1024 ); }
void setBps( double Bps ) { _Bps = Bps; }
Speed& operator+=( const Speed& that ) { _Bps += that._Bps; return *this; }
Speed operator+( const Speed& that ) const { return Speed( _Bps + that._Bps ); }
bool operator<( const Speed& that ) const { return _Bps < that._Bps; }
};
#endif