Chris@43: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@43: 
Chris@43: /*
Chris@43:     Sonic Visualiser
Chris@43:     An audio file viewer and annotation editor.
Chris@43:     Centre for Digital Music, Queen Mary, University of London.
Chris@43:     This file copyright 2006 QMUL.
Chris@43:     
Chris@43:     This program is free software; you can redistribute it and/or
Chris@43:     modify it under the terms of the GNU General Public License as
Chris@43:     published by the Free Software Foundation; either version 2 of the
Chris@43:     License, or (at your option) any later version.  See the file
Chris@43:     COPYING included with this distribution for more information.
Chris@43: */
Chris@43: 
Chris@43: #ifndef _PLAY_SPEED_RANGE_MAPPER_H_
Chris@43: #define _PLAY_SPEED_RANGE_MAPPER_H_
Chris@43: 
Chris@43: #include "base/RangeMapper.h"
Chris@43: 
Chris@43: class PlaySpeedRangeMapper : public RangeMapper
Chris@43: {
Chris@43: public:
Chris@43:     PlaySpeedRangeMapper(int minpos, int maxpos);
Chris@43: 
Chris@43:     virtual int getPositionForValue(float value) const;
Chris@43:     virtual float getValueForPosition(int position) const;
Chris@43: 
Chris@43:     int getPositionForFactor(float factor) const;
Chris@43:     float getValueForFactor(float factor) const;
Chris@43: 
Chris@43:     float getFactorForPosition(int position) const;
Chris@43:     float getFactorForValue(float value) const;
Chris@43: 
Chris@43:     virtual QString getUnit() const;
Chris@43:     
Chris@43: protected:
Chris@43:     int m_minpos;
Chris@43:     int m_maxpos;
Chris@43: };
Chris@43: 
Chris@43: 
Chris@43: #endif