Mercurial > hg > svapp
annotate audioio/PlaySpeedRangeMapper.h @ 156:89737ffa4580
* Some fairly simplistic code to set up layer type properties based on
RDF data about feature types (both when running transforms and when
importing features from RDF files).
| author | Chris Cannam |
|---|---|
| date | Thu, 12 Feb 2009 15:26:43 +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 |