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transmission/qt/speed.h
2009-04-09 18:55:47 +00:00

35 lines
1.2 KiB
C++

/*
* This file Copyright (C) 2009 Charles Kerr <charles@transmissionbt.com>
*
* 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:
double _kbps;
Speed( double kbps ): _kbps(kbps) { }
public:
Speed( ): _kbps(0) { }
double kbps( ) const { return _kbps; }
double bps( ) const { return kbps()*1024.0; }
bool isZero( ) const { return _kbps < 0.001; }
static Speed fromKbps( double kbps ) { return Speed( kbps ); }
static Speed fromBps( double bps ) { return Speed( bps/1024.0 ); }
void setKbps( double kbps ) { _kbps = kbps; }
void setBps( double bps ) { _kbps = bps/1024.0; }
Speed operator+( const Speed& that ) const { return Speed( kbps() + that.kbps() ); }
Speed& operator+=( const Speed& that ) { _kbps += that._kbps; return *this; }
bool operator<( const Speed& that ) const { return kbps() < that.kbps(); }
};
#endif