annotate audioio/PlaySpeedRangeMapper.h @ 180:84b2c1a4984a

* Offer the user a chance to answer our survey (only once, and only after several runs of the program, and only if the survey is known to be live on the website)
author Chris Cannam
date Thu, 27 Aug 2009 16:31:45 +0000
parents 3c5756fb6a68
children 46b24009ce7a
rev   line source
Chris@43 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@43 2
Chris@43 3 /*
Chris@43 4 Sonic Visualiser
Chris@43 5 An audio file viewer and annotation editor.
Chris@43 6 Centre for Digital Music, Queen Mary, University of London.
Chris@43 7 This file copyright 2006 QMUL.
Chris@43 8
Chris@43 9 This program is free software; you can redistribute it and/or
Chris@43 10 modify it under the terms of the GNU General Public License as
Chris@43 11 published by the Free Software Foundation; either version 2 of the
Chris@43 12 License, or (at your option) any later version. See the file
Chris@43 13 COPYING included with this distribution for more information.
Chris@43 14 */
Chris@43 15
Chris@43 16 #ifndef _PLAY_SPEED_RANGE_MAPPER_H_
Chris@43 17 #define _PLAY_SPEED_RANGE_MAPPER_H_
Chris@43 18
Chris@43 19 #include "base/RangeMapper.h"
Chris@43 20
Chris@43 21 class PlaySpeedRangeMapper : public RangeMapper
Chris@43 22 {
Chris@43 23 public:
Chris@43 24 PlaySpeedRangeMapper(int minpos, int maxpos);
Chris@43 25
Chris@43 26 virtual int getPositionForValue(float value) const;
Chris@43 27 virtual float getValueForPosition(int position) const;
Chris@43 28
Chris@43 29 int getPositionForFactor(float factor) const;
Chris@43 30 float getValueForFactor(float factor) const;
Chris@43 31
Chris@43 32 float getFactorForPosition(int position) const;
Chris@43 33 float getFactorForValue(float value) const;
Chris@43 34
Chris@43 35 virtual QString getUnit() const;
Chris@43 36
Chris@43 37 protected:
Chris@43 38 int m_minpos;
Chris@43 39 int m_maxpos;
Chris@43 40 };
Chris@43 41
Chris@43 42
Chris@43 43 #endif