annotate audioio/PlaySpeedRangeMapper.h @ 332:151b7c5864e3 tonioni

Need to call back on handler even when there are no additional layers (because it has not yet learned about the primary layers)
author Chris Cannam
date Wed, 05 Mar 2014 09:45:10 +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