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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef _PLAY_SPEED_RANGE_MAPPER_H_
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17 #define _PLAY_SPEED_RANGE_MAPPER_H_
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18
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19 #include "base/RangeMapper.h"
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20
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21 class PlaySpeedRangeMapper : public RangeMapper
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22 {
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23 public:
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24 PlaySpeedRangeMapper();
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25
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26 int getMinPosition() const { return m_minpos; }
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27 int getMaxPosition() const { return m_maxpos; }
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28
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29 virtual int getPositionForValue(double value) const;
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30 virtual int getPositionForValueUnclamped(double value) const;
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31
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32 virtual double getValueForPosition(int position) const;
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33 virtual double getValueForPositionUnclamped(int position) const;
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34
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35 int getPositionForFactor(double factor) const;
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36 double getValueForFactor(double factor) const;
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37
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38 double getFactorForPosition(int position) const;
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39 double getFactorForValue(double value) const;
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40
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41 virtual QString getUnit() const;
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42
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43 protected:
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44 int m_minpos;
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45 int m_maxpos;
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46 };
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47
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48
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49 #endif
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