annotate audioio/PlaySpeedRangeMapper.h @ 65:a8c8a9551a28

* Improvements to layer summary dialog (LayerTree, LayerTreeDialog), & rename. It's still rather unstable though.
author Chris Cannam
date Wed, 28 Nov 2007 17:45:37 +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